Curtain spring

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Application products of variable force spring: Variable force springs and variable torsion springs can expand negative gradients and positive gradients to form a single spring. It breaks through the influence of the traditional spring affected by Hooke's law, so that the stroke and force are no longer proportionally increased, but accompanied by various elastic force-displacement combinations, such as negative slope. Therefore, a stepped constant force can be achieved. Variable force springs and variable torsion springs can be customized for various elastic curve changes according to specific applications. What products can the curve changes of variable force springs be used for? Pen Type Drug Syringe Application The spring exerts a constant force to keep the drug flow in place, preventing patient discomfort during use. It has a stretch at the end of the stroke to ensure that all of the medication can be fully injected. up and down sliding door When the door is closed, the spring force is less than the door...

Physical principle behind constant force spring: When you walk into your office building on your way to work every day, or into your local bank, or any commercial facility, you may open a heavy glass door. When you cross the threshold, the door closes behind you, and you don't think about it. However, the heavy glass door was probably closed by a constant force spring. Constant force springs are widely used in daily applications. From door closers to rope and hose retractors, to sports equipment, toys, motors, etc., constant force springs exert force at an amazing high frequency and consistency. Let's take a closer look at the basic physics behind the constant force spring. In the 17th century, the British physicist Robert Hooke proposed a formula for force and elasticity, which is now called Hooke's law. Hooke's law states that the force (f) required to stretch or compress a spring for a distance (x) varies linearly in proportion to that distance. The formula is f=kx, where k is a...

Design of constant force springs: A constant force spring is a spring that exerts a constant force over its range of motion. That is, it does not obey Hooke's law. Typically, a constant force spring is constructed as a coiled band of spring steel so that the spring relaxes when fully coiled. When it is unrolled, the restoring force comes mainly from the portion of the belt that is close to the roll. Since the geometry of this region remains nearly constant as the spring unfolds, the resultant force is nearly constant. By creating a spring with a variable pitch, you can make a push-shape spring with a constant velocity. Placing a larger pitch in a larger outer diameter coil and a smaller pitch in a smaller outer diameter coil will force the single spring to fold all coils at the same rate when compressed. Design of Constant Force Springs: A constant force spring is a coil of prestressed...

Herkömmliche Triebfedern und vorgespannte Federn: Traditional power springs and preloaded power springs are fabricated from spring steel bars to provide torque. Spring steel is a low alloy, medium carbon steel or high carbon steel with a very high yield strength. Objects made of spring steel can return to their original shape despite significant bending or twisting. Power springs use flat (unstressed) steel windings, while pre-stressed power springs use pre-stressed steel to produce a larger range of usable torque than conventional power springs. During the manufacturing process, the spring is wound into the retaining ring or the customer's housing (the retaining ring is pictured below). When ready for final installation, carefully install the spring into its housing with the outer end attached to the outer edge and the inner end attached to the mandrel (see photo below). During operation, the housing or mandrel will be fixed while the other component is free to rotate. Depending on the requirements of your specific design,...

Vorteile der kabellosen Federkomponenten von Qianye: All curtain cords, whether installed on the side, caught in curtains, or placed on the back, can be dangerous to children. It is best to replace all corded curtains with cordless curtains in houses where children live or visit, especially in children's bedrooms and play areas. Cordless roller blinds with either a spring system or an electric system can improve the safety of the home. Cordless roller blinds with spring system are similar to movie curtains. They use the elasticity of the springs. Under the action of the spring components, the roller blinds can be balanced at any position and can be stopped at any time. At present, most of the spring components on the market are wire spring cordless curtain systems, which have a relatively short service life and a high degree of force attenuation. When pulling down, the curtain stops at each clip, and when rising, pulling down makes the curtain bounce...

Constant force springs applied in wall mounted accessories: As more and more people spend more and more time using computers, computer users spend more time sitting or standing at their desks or workstations in front of devices. Keeping what experts call "the best ergonomic positioning" can improve energy levels and overall comfort. For this purpose, the input and output devices must be placed in appropriate positions. The proper position can reduce the muscle strain of the user's arm and effectively prevent various musculoskeletal diseases, including carpal tunnel syndrome, neck pain, and upper and lower back pain. The attachment bracket can be used to facilitate the support and position adjustment of the fixed attachment. The attachment retainer allows simple three-dimensional adjustment of two such devices to place the devices in a more ergonomic relative position to meet the needs of various users and workspaces, and has a balancing mechanism for balancing the weight of fixed attachments. The balance mechanism provided by the wall mounted accessories is superior to the traditional lifting system,...

Constant force spring is used in removing an implanted object using laser cut hypotubes: Removal or extraction of the lead may be difficult. As mentioned above, the body's natural healing process forms scar tissue over and along the lead, and possibly at its tip, thereby encasing at least a portion of the lead and fastening it even more securely in the patient's body. In addition, the lead and/or tissue may become attached to the vasculature wall. Both results may, therefore, increase the difficulty of removing the leads from the patient's vasculature. A device for removing an implanted object from a body vessel, may comprise a sheath assembly comprising an outer sheath assembly and an inner sheath assembly, and a pin, the outer sheath assembly comprising an outer sheath and an outer band, the outer band coupled to the pin, the inner sheath assembly comprising an inner sheath and a tip, wherein the tip has a cutting surface, the inner sheath comprising a proximal end and a distal end, wherein the distal end of the...

Curtain spring Product

Kraftfeder: Characteristic: The power spring is coiled by steel strip. A spring box is required to limit its outer diameter. The center of the spring is connected to the shaft. When an external force is applied to make the shaft and the spring rotate relative to each other, the spring will be wound on the shaft and stored Torsion, when the external force disappears, the spring generates torsion on the shaft or spring box. Advantage: Power springs are divided into natural power springs and pre-stressed power springs according to their relaxed shape. In contrast, the pre-force type power spring can store 25% to 55% more torque and provide more effective turns. Product manufacturing range: The thickness is 0.05~0.85mm, and the width is 2.0~60mm. Principle of the scene: The high-precision pen injector uses a unique power spring to provide small and highly accurate drug dosages. A fixed amount of medicine is injected into the body through the constant force of the spring...

Montage- und Montageservice: Die Qianye Company bietet nicht nur die Produktion von Präzisionsfedern an, sondern konzentriert sich auch auf das strukturelle Design und die funktionalen Lösungen des gesamten Federsystems und kann einen kompletten Satz Systemproduktion und -montage anbieten

Konstante Torsionsfeder: Characteristic: The fixed (constant) torque spring (spring) is made of stainless steel. The external force rewinds the mainspring from its natural state to the output wheel (energy storage). When the external force is removed, the spring will return to its natural state. At the same time, a constant torque force (stored elastic force) is generated (released) on the output wheel, so it is called a constant torque generator. strip. Belongs to (a use method in constant force spring) Advantage: The advantages of fixed-torque springs compared to power (scroll) springs: 1. The torque will not change due to the increase in the number of revolutions. To 2. There is no limit to the number of available turns, and the design of multi-turn turns mostly adopts a fixed-torque spring. To 3. The number of invalid rotations is small, more energy can be stored, and the efficiency is higher. To Manufacturing range of fixed torque spring: The thickness is 0.05~0.85mm, and the width...

Feder mit konstanter Kraft: Characteristic: Constant force (constant force) springs are rolled by stainless steel strips. The high-strength steel strips are shaped by specific production spring equipment. When the external force straightens them, the spring will naturally wind back and produce elasticity, but it reaches us The goal can return to the starting point we specified after being shifted. Advantage: The advantages of constant force spring over traditional wire spring: 1. In a very small installation space, a very high elastic output can be achieved. 2. Maintain a constant elasticity in all strokes. 3. The pre-stroke stroke is short, and only a short stroke is needed to achieve the required elasticity. 4. The original length is less than the wire spring, and the stroke is unlimited. The manufacturing range of Dingli Clockwork: The thickness is 0.05~0.85mm, and the width is 2.0~60mm. Principle of the scene: The constant force spring has the characteristic of maintaining a constant force during a long stroke, and can achieve...

Optimierungsdesign-Service: From product ideas, design to finished product manufacturing, we can assist customers in completing them, and help customers optimize their products from the professional perspective of spring use, speed up product development, and speed up time to market. From the initial stage of spring component design, production to final assembly, customers choose the advantages that Qianye can get. 1. Save product development time 2. Give you a variety of solutions, choose the desired optimization solution 3. The spring that best suits your product 4. Serve you for life and satisfy any technical support you have.

Feder mit variabler Kraft: Characteristic: The appearance of variable force spring and variable torsion spring is very similar to constant force spring and constant torsion spring. Variable force springs and variable torsion springs can break through the influence of Hooke’s law on traditional springs, so that stroke and force no longer increase proportionally, but can achieve various elastic force-displacement combinations such as negative slope stepped constant force, which can be mechanically For engineering requirements, use the relationship between elastic force and displacement stroke to design various elastic curve changes in specific applications. There are a variety of different variable force springs, variable torsion spring application designs, and solutions. The manufacturing range of variable force springs and variable torsion springs: The thickness is 0.05~0.85mm, and the width is 2.0~65mm.

Curtain spring News

Application products of variable force spring: Variable force springs and variable torsion springs can expand negative gradients and positive gradients to form a single spring. It breaks through the influence of the traditional spring affected by Hooke's law, so that the stroke and force are no longer proportionally increased, but accompanied by various elastic force-displacement combinations, such as negative slope. Therefore, a stepped constant force can be achieved. Variable force springs and variable torsion springs can be customized for various elastic curve changes according to specific applications. What products can the curve changes of variable force springs be used for? Pen Type Drug Syringe Application The spring exerts a constant force to keep the drug flow in place, preventing patient discomfort during use. It has a stretch at the end of the stroke to ensure that all of the medication can be fully injected. up and down sliding door When the door is closed, the spring force is less than the door weight; when the door is in the middle stroke, the spring force is equal to the door weight. When fully open, the force applied by the spring is greater than the weight of the door to ensure the door does not slip. Shelf pusher The spring outputs a variable force to match the number of displayed items. A large thrust can ensure that a large number of displayed items can be pushed smoothly, and a small thrust can effectively push small-quality items to avoid flattening of the exhibits. Cordless curtains Variable torque...

Bürstenfederschutz: Conventional motor arrangements include a rotor with windings to conduct current during machine operation. As the rotor rotates, current is conducted through the rotating elements from sources external to the rotor to the rotor windings. A rotating element such as a slip ring or a commutator contacts the brush spring to conduct current. There are two main types of brush springs, single-coil brushes and double-coil brushes. The brush springs provide constant pressure to the commutator and slip rings while minimizing brush wear, burning and scratching. They provide excellent work at high speeds for improved motor performance. The brush spring is relative to the rotating element, and the brush spring is ground due to friction during use. It is damaged and needs to be replaced periodically. So sometimes the brushes are replaced during motor downtime. To change the brushes safely, the operator uses one hand (to avoid current passing through the operator's body). Brush carriers can be heavy and unwieldy, so brush replacement is not only difficult but dangerous. A brush holder, brush handle assembly helps operators safely remove replacement brushes in electric machines or other rotating machines. A stationary support is included having at least one groove and a pronged electrical connector. The stationary support has a conductive strip for a portion of the body for being configured to pass through the stationary support. Its lead electrical piece is configured to provide electrical conductance with a collector base (collector base) and electrical fork connectors. The brush retention structure...

Application of spring in display: The diversification of modern life, people in the pursuit of high quality life at the same time also constantly in innovation. Leisure, shopping traditional products only meet material needs, people began to pursue diversified products. Let me feel deeper, such as display lifting design, this design to work and life has brought a lot of convenience. The reason why the display can rise and fall is the internal use of constant force spring free lifting principle, designed to adjust the display height of the elevator. With the help of the spring tension, the height can be freely adjusted. Compared with the traditional manual adjustment, the spring is simpler to use and more convenient to operate. The constant force spring is made of stainless steel strip. The high-strength steel strip is shaped by a specific production spring equipment. When the external force straightens it, the hair will naturally roll back and generate elasticity. However, to achieve our goal, we can return to the starting point after displacement. The advantages of the Qianye constant force spring over the traditional wire spring are: 1. In a very small installation space, a very high elastic output can be achieved. 2. A constant spring force is maintained throughout all strokes. 3. The pre-force stroke is short, and only a short stroke is needed to achieve the required elastic force. 4. The original length is smaller than the wire spring, and the stroke is unlimited. In general company venues, a large amount of information and materials need to be processed in the meeting, and different people...

Spring applied to the skin stapler: In the process of skin incision suture in surgery, chest surgery, abdominal surgery and skin grafting in the burn department, manual suture was generally used in the past, but now skin stapler is generally used. The appearance of skin stapler can be regarded as a reform of traditional suture methods and an important reform of modern suture technology, which has given surgeons a good help. In clinical medicine, skin stapler is also listed as one of the medical products worth promoting. Compared with traditional suture surgery, the stapler can be used at a very fast speed, which can greatly reduce the operation time, easy operation and reduce the labor intensity of the medical staff, because the medical staff themselves are a busy group. The stapling eye of the skin stapler is close and orderly, painless nail removal and beautiful appearance. There are few side effects and surgical complications, so the skin stapler is very popular in the market and medical staff. The principle of skin suture device is actually very simple, it is a baffle plate and a push nail plate, nail box inside a spring. In fact, similar to stapler, each press is a suture, the molding nail out of the front gap, the rest of the nail box is pushed forward by the spring behind, you can continue the next suture, until the completion of the suture, completely loosen the handle, and then the stapler out of the skin. The spring inside the stapler is used with a constant force spring, so the constant force spring in line...

How to choose double torsion springs suppliers, what is double torsion springs: A torsion spring is a coil spring that stores and releases angular energy or holds a mechanism in place. They feature two legs extending from each end of the coil and are used in applications requiring torque or rotational force. This is accomplished by attaching the legs to external components. Then, as the elements rotate around the spring, the spring tries to push them back to their original position. Torsion springs come in a variety of different shapes and sizes, with different leg configurations and lengths, for a wide range of applications. Typical uses include automotive door handles, garage doors, clothespins, bulldog clips and hinges. In some cases, a single torsion spring cannot exert enough force. In these cases, a double torsion spring may be required. What is a double torsion spring? As the name implies, a double torsion spring is characterized by two torsion spring coils joined at the center to form one spring. The two coils are made of a wire wound in opposite directions, one counterclockwise and the other clockwise. The two parts work in parallel, like a torsion spring, with the spring legs normally pressing against the outer assembly, which pushes the outer assembly back, creating resistance. The shaft or rod usually passes through the center of the two coil bodies. Dual torsion springs are stronger than single torsion springs and can apply more force. The resulting force is equal to that of two separate springs combined. Depending on the application, the bridge and legs connecting the two coils can be made in...

Automatic rolling shutter: It has to be said that laziness is a major driving force to promote scientific and technological progress. The emergence of a series of smart appliances not only makes people's life intelligent and convenient, but also gives everyone more opportunities to "be lazy" to complete other work or things. The charm of smart appliances lies in the linkage control between devices and the configuration of scene mode. It only takes one step to control household appliances to achieve the expected effect, which is the most attractive. At present, in the aspect of smart home decoration, a kind of automatic rolling curtain is more popular, which is also called electric rolling curtain. This is an electric rolling curtain structure with tubular motor as the power. It is quite simple to operate. It is controlled by remote control or mobile phone APP. As an upgrading alternative product of manual rolling curtain, its work is more quiet and stable. The motor is directly installed in the metal coil tube, which reduces the transmission link of the volume and force of the curtain box and avoids the influence of the external environment on the motor.There are two problems in the common electric curtains on the market. Compared with the traditional manual rolling curtain or the left and right open and close curtain, the electric operation of automatic rolling curtain is more convenient, and the adaptability is not weaker than the traditional curtain. At the same time, it also has the functions of anti-ultraviolet, environmental protection and energy saving, saving indoor space and...

Application of power spring in abdominal health wheel: Abdominal health wheel is a small pusher that can exercise muscles, joints and reduce weight. The material is generally high-quality engineering plastic, with simple design, beautiful appearance, firmness and durability, and easy to use. It is used to exercise the fat of abdomen, waist, hip, arm and other parts of the body. Due to the simple site required for exercise, it is convenient for home use. The abdominal health wheel with power springs can make people easily complete the recovery movement under the retraction elastic force of the power springs when people use it for exercise and when the body is straightened. As we all know, the characteristic of the power springs are made of steel strip. In use, a spring box is required to limit its outer diameter. The center of the spring is connected with the shaft. When an external force is applied to make the shaft rotate relative to the spring, the spring will roll on the shaft center and store the torque. When the external force disappears, the spring will produce the torque on the shaft or spring box. Power springs are often used in products of automatic rewind devices. The handle rod of the abdominal health wheel is rotationally connected with the wheel body through a bearing, and the handle rods on both sides of the wheel body are provided with power springs. The handle rod passes through the center of the power spring, the inner end of the power spring is connected with the handle rod, and the outer end of the power spring is connected with the side of the wheel body. The handle rod...

Application of constant force spring in lifting window: The lifting window is different from the traditional internal opening, external opening and ordinary push-pull mode, but adopts the opening mode of lifting up and down. Because it is mainly popular in North America, it is also called American lifting window. It is one of the two major door and window categories in the world. The lifting window is more compact than the left and right lifting windows, which is determined by the structure of the window. The traditional lifting window is a sash frame structure, that is, when the window sash is opened left and right, it is realized by sliding the lower pulley on the sliding rail of the window frame. However, there is a gap between the pulley and the slide rail, and the smoothness of the opening must be taken into account, which will inevitably lead to the decline of the sealing performance. The lifting window is a frame-encased sash structure. The sash is wrapped in the window frame and runs vertically up and down. Through the multiple seals of high-quality siliconized tops, the sash frame is tightly fitted around it, and the sealing performance is significantly better than that of the left and right lifting windows, second only to Fixed and casement windows. The advantages of the sliding doors and windows are: 1. The characteristics of large ventilation, the lifting windows can be opened by 2/1, and the air entering the room can be convected. The European-style lifting windows and casement windows basically cannot open more than half of the area. Second, there can be different...

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