Variable force spring

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The Importance of Choosing High-Quality Curtain Springs for Long-Term Durability: Curtain springs are a crucial component of window treatments, providing the necessary tension to keep curtains or blinds in place. As such, it is essential to choose high-quality curtain springs to ensure long-term durability and functionality. This blog post will explore the importance of selecting high-quality curtain springs and provide tips on how to choose the right ones for your needs. What are Curtain Springs? Curtain springs are small, coiled springs that are attached to the end of a curtain rod. They help to keep curtains or blinds taut and in place, preventing them from sagging or drooping. Curtain springs come in various sizes and strengths, depending on the weight of the window treatment and the tension required. The Importance of Choosing High-Quality Curtain Springs Choosing high-quality curtain springs is essential for several reasons. Firstly, they provide reliable tension that ensures your curtains or blinds stay in place. Low-quality curtain springs may not provide enough tension, causing your window treatments...

Design cordless curtain springs: There are many types of curtains on the market today, such as Venetian blinds, Roman blinds and honeycomb blinds. When the curtains are lowered, the windows can be shaded to reduce light entering the house and improve privacy. Generally speaking, curtains are provided with control ropes, which can drive the bottom rail of the curtain to rise or fall. In particular, the bottom rail is raised by a roller take-up hanger, and the hanger can be extended from the roller so that the bottom rail can be lowered. However, the problem that the control cord may restrain children has been noted, so a cordless curtain has been developed. This cordless curtain can raise and lower the bottom rail by means of a coil spring box. Coil spring boxes used in window blinds usually consist of multiple springs that provide torsion to maintain the bottom rail at the desired height. However, the assembly of such a coil spring...

Pull Bead Roller Blinds and Cordless Roller Blinds: The roller blinds are blackout roller blinds, soft yarn roller blinds, and Shangri-La roller blinds in appearance. They are mainly corded and cordless. Roller shutters have many advantages such as beautiful and simple appearance, firm and durable structure, etc. Roller shutters are suitable for various places, especially for large-area glass curtain walls. When the roller blind fabric is put down, it can soften the indoor light, avoid the trouble of direct sunlight, and achieve a good shading effect. When the roller blind is raised, its volume is very small, so that it is not easy to be detected. The bead roller blinds use the rope or chain to ascend and descend. The biggest problem of the rope/bead system is that the curtain will not be pulled when it is too big, and the rope will easily break. It is not very convenient to use, and the rope is easy to get dirty. It is very dangerous for...

Variable force spring in drug delivery device: Devices for automatically delivering drugs, such as automatic syringes, are known as convenient and safe means of protection for patients to manage different drugs themselves. For safety reasons, many devices for delivering drugs include covers and other devices that protect users before and after use, such as injection needles. Different devices for transporting drugs are different in their overall design settings. They all have a mechanism for automatically transferring the contents of pre filled and pre filled containers, and there is no need to manually force the contents of the containers into the patient through the transmission components, namely needles and nozzles. Automatic delivery mechanisms in devices used to deliver drugs usually include compression coil springs. The challenge in the design of such springs is to balance the need for sufficient force at the end of the stroke and the need for less force during storage that will overload other parts of the device (when the spring is fully compressed)....

Application of power spring in electric wheelchair safety lock: One of the biggest benefits of electric wheelchairs is the use of an electric drive that allows users to move freely even without having to push themselves manually or with human power. These wheelchairs are prepared for people in different situations, while allowing more people with inconvenient lives to regain their freedom. The electric wheelchair includes a mobile seat part, a body part used as a seat support, a seat adjustment mechanism arranged under the seat to maintain the balance of the seat part, a underbody part located under the body part, and a crawler walking mechanism. Electric wheelchair characterized in that the safety locking device is a double-wing safety locking device comprising a housing, a pair of latching members fixed to the wall of the housing by the action of a power spring, two pinions, one of which is configured as a small motor, each latching member having a small tooth edge and a large tooth edge, each of the...

Variable force spring Product

Power Spring: 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...

Optimization design 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.

Variable force spring: 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.

Carbon brush spring: Characteristic: 1. Due to the constant force, regardless of the length of the carbon brush and the commutator, the pressure remains the same. 2. Constant force spring reduces carbon brush loss, prolongs the life of carbon brush, and reduces current loss. To 3. Small motors can be designed to reduce the outer diameter of the motor. 4. The length of carbon brush can be increased. To 5. A larger commutator can be used. To 6. Reduce sparks and reduce electromagnetic interference. Constant force spring for single roll carbon brush 1. Carbon brush width 2. Carbon brush height: The spring width must be smaller than the carbon brush height 3. Length of abradable carbon brush: The spring stroke must be greater than the length of the abradable carbon brush 4. Contact pressure required for carbon brush and commutator: required spring force Constant force spring for double-rolled carbon brush 1. Carbon brush width 2. Carbon brush height: The spring width must be...

Constant force spring: 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...

Constant torsion spring: 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...

Variable force spring News

＂Constant force spring＂ is a necessary component for cable accessory manufacturers at home and abroad: With the increasing application of cold shrinkable cable accessories, constant force spring has become a necessary component for cable accessories manufacturers at home and abroad. How to find a suitable constant force spring in practical application? How to determine the continuous elasticity, magnetism and corrosion resistance of constant force spring has become the first consideration for cable accessory manufacturers and customers. Whether imported brand or domestic brand, the use of constant force spring for standard cable accessories has become a standard configuration, but the quality is uneven. Faults often occur due to factors such as material, type selection or performance. The corrosion resistance of constant force spring is related to the material and processing technology. The corrosion resistance of stainless steel mainly comes from chromium. The corrosion resistance of steel will be greatly improved only when the chromium content exceeds 12%, and the addition of nickel will also improve the corrosion resistance. Constant force spring for cable is generally made of stainless steel 301 in China and x12crni17 in foreign countries 7 stainless steel is made of high tensile strength and hardness during cold processing, non-magnetic, but magnetic after cold processing. After heat treatment, the magnetism can be eliminated, and the surface will turn light yellow, but the corresponding hardness will decrease. The application environment of constant force spring is the same as that of cable accessories. The outside is generally wrapped with some strips to prevent axial displacement along the cable. In the process of use, it is wrapped inside the whole joint or terminal and will not be in direct contact with moisture, but it...

Does your nail gun have the problem of not hitting the nail?: Because there is no tension in the constant force spring that pushes the nail, naturally, no nail can be driven. The pushing device of the nail gun uses the constant force spring, because the constant force spring has the characteristic of keeping the constant force in the long stroke, and it can achieve a very high elasticity output in a very small device space. The constant force spring in the nail gun cannot be pushed too small, otherwise it will be difficult to drive the nail inside into the substrate, but it cannot be too large either, otherwise the substrate will be damaged and cracked. So when it comes to choosing constant force springs, choose a spring manufacturer with good quality. More info： www.qianyespring.com E-mail: cici_cao@qianyejm.com Whatsapp: +86-183 7490 5808

Constant Force Springs Design Guide: There are many mechanical components to choose from for your device or application. If your device requires a spring, consider constant force springs. These are a type of extension spring. They do not obey Hooke’s law, so their force remains constant, even when deflected. Because of their flat force curve, constant force springs are suitable for applications that require a smooth range of motion and a constant load. Learn more about this type of spring to see if it could work in your device or application. Constant Force Spring Benefits There are many benefits of constant force springs that make them suitable for a number of applications: Have small space requirements Provide a smooth range of motion Have no inertia to overcome Mount to existing hardware Produce a counterbalance effect For these reasons, constant force springs are versatile enough to work for a number of applications in which a constant load is required to counterbalance, tension, retract or dispense. This is why they’re frequently used to enhance surgical devices, deploy and retract doors on aircrafts, and counterbalance windows. Design Considerations If you decide that constant force springs are ideal for your application, here are some considerations to think about in the design phase of your project. Load Conditions Constant force springs produce a force as the material is extended. Constant force springs are rated at a maximum operating length. This means that the maximum travel must be lower than the difference between the spring’s unextended length and maximum safe operating length. Material Another important design consideration is material. 301 stainless steel is commonly used for standard-issue...

Application of power springs in construction protective devices: With the development of society, buildings and roads are the cornerstone of the development of human society. People will choose to lay waterproof materials during waterproof maintenance, but people face some problems when laying waterproof materials. When laying waterproof materials, people inadvertently trample on the materials because they do not know that the materials have been laid, resulting in uneven laying of materials and economic losses. Therefore, we need to protect the sites under construction and just completed construction when laying. Many of the existing protective devices are large, which is not conducive to people's carrying, and the protective devices can't be seen by people at night, causing people's damage. The laying of water-proof materials is wasted, and the placement of protective devices is unbalanced, causing collapse and damage to people. The utility model relates to a wet laying waterproof coiled material construction protective device equipped with a power spring, which can solve the above problems. The power spring requires a housing to limit its outside diameter. The spring stores force during the rotation of the power spring relative to the central axis of the spring housing. When the force disappears, the power spring will produce a torque on the central shaft of the spring housing. The protective device comprises two expansion columns 1, a contraction device 21, a second fixing block 4 and two expansion columns 1, one of which is provided with a contraction device 21. The retracting device 21 is composed of two rotating discs 12, the first fixed column 13 and the power spring 14. The rotating disc 12 is installed in the...

Application of constant force spring in medical equipment: A support device for assisting a patient is used to assist the movement of a patient at the patient support device. In the prior art, a caregiver would operate a patient lift or motor by guiding the lift to raise or lower the patient at the patient support. Such manipulations often require the precise manipulation of heavy forceps and motors by a paramedic to help the patient move around the patient support. The support means may incorporate a constant force spring design, the support structure comprising a base and an upper portion extending upwardly from the base. The constant force spring assembly may include a carrier slidably coupled to the base secured to a first end of the carrier. The base may include channels that guide sliding movement of the carrier relative to the base of the support structure. The constant force spring assembly may also include a spool and a motor configured to drive the spool. The auxiliary belt may be secured to the spool so that the auxiliary belt is wound and unwound from the spool in response to a motor driving the spool. And the motor can be fixed to the carrier to move with the carrier. Constant force springs get their name because their motion force is constantly applied. The load is determined by the width and thickness of the material and the diameter of the coil. The tightly wound rollers work in a linear motion, not obeying Hooke's law (F=kX), but constantly generating forces as they deflect.These springs provide...

Qianye constant force spring helps fight the ＂epidemic＂ on the experimental platform: Rapidly improving the ability of nucleic acid detection is the key to winning the war of epidemic prevention and control. Since the outbreak of the current round of the epidemic in Shenzhen, Shenzhen's "Huo-yan" laboratory has been on standby, quickly assembled anti-epidemic forces to fight the "epidemic", and started the anti-epidemic defense battle at home! On January 15, Shenzhen satellite TV and Shenzhen news network visited BGI Genomics Shenzhen Huo-Yan laboratory. Just like its name "Huo-yan", Huo-yan Laboratory uses the " piercing eye" of the Chinese plan to make the new crown virus "nowhere to hide". "Huo-yan" is divided into reagent preparation cabin, code scanning sampling cabin, nucleic acid extraction cabin, and nucleic acid amplification cabin.Among them, the sampling cabin and extraction cabin are equipped with BGI's self-developed fully automated cup separation system, which can process 192 samples every 40 minutes, and a high-throughput automated nucleic acid extractor, which can process up to 10,000 samples per day. The "Huo-yan" laboratory has a detection capacity of 60,000 daily throughput, and 10 mixed 1 can detect up to 600,000 copies per day. BGI's "Huo-yan" laboratory has realized the automation and intelligence of the nucleic acid detection platform. Domestic technology has greatly improved the detection efficiency and greatly reduced the risk of infection by laboratory personnel.BGI's new crown testing products have covered more than 180 countries and regions, and BGI Genomics had built more than 90 Huo-Yan Laboratories in 30 countries and regions worldwide. The lifting system spring in the BGI nucleic acid testing equipment is to replace the original foreign spring with the spring...

Scene principle of constant force spring: The constant force spring is made of stainless steel strip. The high-strength steel strip is shaped by specific spring production equipment. When it is straightened by external force, the spring will naturally roll back and produce elastic force. However, when our goal is achieved, it can return to the starting point specified by us after displacement. So do you know that constant force springs can be applied to those scenes? Let's have a look! Constant force spring has the characteristic of maintaining constant force in long stroke. In a very small device space, it can achieve very high elastic output. It can be applied to the nail pushing device of nailing gun for linear pushing. When the fixed force spring is straightened by external force, the spring will naturally retract and produce elastic force. It has the movement functions of balancing or saving force. It can be applied to the height adjustment of computer display and electric fan. The fixed force spring can achieve extremely high elastic output in a very small device space. Its function can be applied to product applications requiring linear movement such as round-trip, sliding, stretching, homing, balancing or labor-saving, such as automobile cup holder. Shenzhen Qianye Precision Metal Co., Ltd. was established in 2006 to supply high-quality stainless steel springs for many fields. Through continuous efforts, 19 patent certificates and 4 spring equipment software copyrights have been granted by the State Intellectual Property Office, and an enviable industry influence has been built. The company designs and manufactures a wide range of power springs, constant...

Power springs in hose reels: Transmission hoses and wires are necessary for automotive production and maintenance work, but they are time-consuming and labor-intensive to sort out after use. Another common problem is safety when handling them. This can cause serious injury if the operator is inexperienced. Bulky and unwieldy hoses are also an added risk, especially if they are too short for the job. This forces the operator to move into dangerous positions that can cause injury. The hose reel now solves these problems by incorporating the maneuverability of the power spring, allowing the long hose to automatically retract after use and align itself continuously and neatly when retracted. In addition, considering the limitations of floor layout and staffing, the hose reel with the addition of the scrolling bar can make full use of space and improve the workplace environment. After use, the hose or wire is retracted to the winder for storage, and generally will not break, and low friction, which can extend the service life of the hose or wire. The tension on the power spring is pre-loaded at the factory, and springs produced by improperly selected manufacturers may become untensioned or over-tensioned. Too much tension can lead to fast and violent retraction as well as a short life span, and the elasticity can fail quickly. Therefore, it is recommended that manufacturers of hose reels look for high-quality spring manufacturers, because the current reel winding function of the emergence of a deep expansion of the advertising market, so that more electrical products are constantly in the upgrade to create new product selling points. Choosing the right...

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