During the normal operation of the hospital, it is often necessary to use the medical cart. The medical cart refers to the ward protection and transfer of medical equipment. The medical cart prevents the patient from causing further injury in the process of transporting the patient. At the same time, it also reduces the labor intensity of medical staff or family members. It is a commonly used medical device. At present, the medical cart on the market can only be used in the process of lifting the patient from the hospital bed to the cart or from the cart to the hospital bed, The scope of use is narrow, which is easy to cause a waste of resources and the problem of single function. Therefore, a medical multifunctional cart is proposed to solve the above problems.
The medical multifunctional cart has simple structure and convenient operation. It can be used as a medical cart under normal working conditions. Drugs for medical use can be placed in the medicine box, and medical waste generated in the medical process can be placed in the garbage box. The turnover cover plate can close the garbage box to prevent the garbage in the garbage box from shaking or overflowing due to the movement of the cart. The operator rotates the rotating rod and turns the connecting rod and pulley out of the shell, When the pulley is in contact with the ground, the operator pushes the cart, and the cart can be moved freely with the help of the pulley. When the hospital lacks beds or temporarily needs an emergency cart, install the removable cover plate on the shell for temporary medical use, turn the rotating rod to turn the connecting rod and pulley into the shell, the butting plate will pop into the groove under the action of spring, and push the push rod to adjust the position of the butting block and butting plate in the holding cavity, It plays an auxiliary role in the movement of the butting plate in the accommodation cavity. The sliding lock block can lock the push rod, so that the butting plate can be stably inserted into the groove. The medical mattress can be laid on the removable cover plate, which can be used for temporary medical purposes.
So what kind of spring does it use?? Have you guessed? That’s the constant force spring. The constant force spring is made of steel strip. When it is straightened by external force, the spring will naturally roll back and produce elastic force. The constant force spring has the characteristic of maintaining constant force during long travel. Its function can be applied to the product applications requiring linear movement such as round-trip, sliding, stretching, homing, balance or labor-saving, such as the height adjustment of LED computer screen and fan, store display rack or nail pushing device of nailing gun.
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![[Qianye precision]Constant force spring design in 8 steps](https://wp-static-chuangli.oss-us-west-1.aliyuncs.com/qianyespring/uploads/2022/09/f3ccdd27d2000e3f9255a7e3e2c48800-69.jpg "[Qianye precision]Constant force spring design in 8 steps")
