Automobile safety belt winding mechanism
By designing an automatic rewinding mechanism for automobile seat belts, using the drive motor and drive shaft to drive the seat belt retracting shaft, the problem of low processing efficiency of existing automobile seat belts is solved, and efficient and automatic seat belt retracting is realized. volume, improving production efficiency and product quality.
Patent Information
- Application Number
- CN202421096344.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-20
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-05-20
AI Technical Summary
The processing efficiency of existing car seat belts is low and requires manual winding, resulting in low efficiency and high labor costs.
Design a car seat belt retracting mechanism, including a driving motor, a driving shaft, a seat belt retracting shaft, an auxiliary support block and a clamping block. The driving motor drives the driving shaft to rotate the seat belt retracting shaft to realize automatic retracting of the seat belt. roll.
It realizes automatic rewinding of seat belts, greatly improves processing efficiency, saves labor costs, and enables continuous processing, improving production efficiency and product quality.
Smart Images

Figure CN222373928U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of safety belt processing, in particular to a car safety belt winding mechanism. Background Art
[0002] Modern cars are very fast. Once a collision occurs, the body of the car stops moving, but the passenger's body will continue to move forward due to inertia, colliding with the body of the car. In serious cases, the windshield may be broken and the passenger may fly out of the window. Therefore, passengers need to use car seat belts during driving. Car seat belts are devices used in cars to protect passengers and drivers from being injured by airbags when the car body is hit hard. When processing existing car seat belts, most of them are manually wound up, which makes the processing efficiency low. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a car seat belt winding mechanism which greatly improves processing efficiency, saves labor costs, and can realize continuous processing, thereby improving production efficiency.
[0004] The utility model provides a car safety belt reeling mechanism, comprising a base plate, a motor mounting seat is arranged on the base plate, and a driving motor is installed on the motor mounting seat;
[0005] A driving shaft, the driving shaft is connected to the power output end of the driving motor, a seat belt retracting shaft is sleeved on the driving shaft, and the driving shaft is used to drive the seat belt retracting shaft to rotate;
[0006] Auxiliary support block and clamping block, the auxiliary support block is arranged on the base plate, the auxiliary support block is provided with a clamping block, the clamping block is coaxial and concentric with the driving shaft, and the clamping block is used to clamp the seat belt retracting shaft.
[0007] The utility model provides a car safety belt winding mechanism, which also includes a slider and an elastic spring. A slot is provided on the base plate, and the slider is slidably arranged in the slot of the base plate. The auxiliary support block is tightly connected to the slider, and a pull rod is tightly inserted on the auxiliary support block. A guide block is provided on the base plate, and the pull rod is slidably inserted on the guide block. A spring pressure block is provided at the end of the pull rod, and the elastic spring is sleeved on the pull rod, and the elastic spring is arranged between the guide block and the spring pressure block.
[0008] The utility model provides a car safety belt reeling mechanism, which also comprises a slide plate and a slide rail. The slide plate is tightly connected to the slide block, a guide block is arranged on the slide plate, a plurality of groups of feet are arranged on the base plate, the slide rail is installed on the feet, and the guide block and the slide rail are slidably matched.
[0009] The utility model provides a car safety belt reeling mechanism, which also comprises a clamping bracket and a clamping roller, wherein the clamping bracket is arranged outside a base plate, the clamping roller is swingably arranged on the clamping bracket, and the clamping roller is used for clamping the safety belt reeled on the safety belt reeling shaft.
[0010] The utility model provides a car safety belt winding mechanism, which also includes a guide support plate, a top pressure roller and a support roller. The guide support plate is arranged on a base plate, and the top pressure roller and the support roller are rotatably arranged on the guide support plate. The top pressure roller and the support roller cooperate with each other to guide the wound safety belt.
[0011] The utility model discloses a car safety belt reeling mechanism, wherein a baffle is sleevedly arranged on the driving shaft.
[0012] The utility model discloses a car safety belt reeling mechanism, wherein the end of the clamping block is arranged as a ball head.
[0013] The utility model discloses a car safety belt reeling mechanism, wherein a buffer rubber pad is arranged on the sliding block.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The driving motor drives the driving shaft to rotate the seat belt reeling shaft, thereby realizing automatic reeling of the seat belt. Compared with manual operation, it greatly improves processing efficiency, saves labor costs, and can realize continuous processing, thereby improving production efficiency. The driving motor provides power, and can accurately control the reeling speed and strength of the seat belt to ensure the consistency of the reeling quality and tightness of each seat belt, thereby improving the quality and reliability of the product. The auxiliary support block and the clamping block ensure the stability and safety of the seat belt reeling shaft during the reeling process. The clamping block is coaxial and concentric with the driving shaft, thereby ensuring the firm fixation of the seat belt reeling shaft and avoiding deviation or loosening during the reeling process. The position of the clamping block can be conveniently adjusted to accommodate seat belts of different sizes and types. The operation is simple, thereby improving the flexibility and applicability of the production line. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The utility model will be further described below in conjunction with the accompanying drawings.
[0017] Figure 1 It is a structural schematic diagram of the utility model;
[0018] Figure 2 It is a schematic diagram of the drive shaft installation structure;
[0019] Figure 3 This is a schematic diagram of the auxiliary support block installation structure;
[0020] Figure 4 It is a schematic diagram of the slider installation structure;
[0021] Figure 5 1. It is a schematic diagram of the installation structure of the pressing roller;
[0022] Figure 6 This is a schematic diagram of the installation structure of the top pressure roller and the supporting roller;
[0023] Markings in the attached drawings: 1. base plate; 2. motor mounting seat; 3. drive motor; 4. drive shaft; 5. auxiliary support block; 6. adjusting screw; 7. hand wheel; 8. clamping block; 9. seat belt retracting shaft; 10. clamping bracket; 11. cylinder; 12. cylinder hinge joint; 13. linkage plate; 14. bearing seat; 15. transmission rod; 16. swing frame; 17. clamping roller; 18. slider; 19. pull rod; 20. guide block; 21. spring pressure block; 22. elastic spring; 23. slide plate; 24. guide block; 25. foot; 26. slide rail; 27. guide support plate; 28. top pressure block; 29. clamping spring; 30. sliding bearing; 31. top pressure roller; 32. roller; 33. baffle. DETAILED DESCRIPTION
[0024] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0025] like Figures 1 to 6 As shown, a car safety belt reeling mechanism of the utility model comprises a base plate 1, a motor mounting seat 2 is arranged on the base plate 1, and a driving motor 3 is installed on the motor mounting seat 2;
[0026] A drive shaft 4, which is connected to the power output end of the drive motor 3. A seat belt retracting shaft 9 is mounted on the drive shaft 4, and the drive shaft 4 is used to drive the seat belt retracting shaft 9 to rotate;
[0027] Auxiliary support block 5 and clamping block 8, the auxiliary support block 5 is arranged on the base plate 1, and the auxiliary support block 5 is provided with a clamping block 8, the clamping block 8 is coaxial and concentric with the driving shaft 4, and the clamping block 8 is used to clamp the safety belt retracting shaft 9; an adjusting screw 6 is threadedly inserted on the auxiliary support block 5, a hand wheel 7 is fixedly installed on the outer end of the adjusting screw 6, and the clamping block 8 is rotatably installed on the end of the adjusting screw 6; the driving shaft 4 is driven by the driving motor 3 to rotate the safety belt retracting shaft 9, so that the automatic reeling of the safety belt is realized, which greatly improves the processing efficiency and saves labor costs compared with manual operation, and can realize continuous processing, which improves Production efficiency; powered by the drive motor 3, the winding speed and strength of the seat belt can be accurately controlled to ensure the consistency of the winding quality and tightness of each seat belt, thereby improving the quality and reliability of the product; the auxiliary support block 5 and the clamping block 8 ensure the stability and safety of the seat belt retracting shaft 9 during the rewinding process, and the clamping block 8 is coaxial and concentric with the drive shaft 4 to ensure the firm fixation of the seat belt retracting shaft 9 and avoid deviation or looseness during the rewinding process; the position of the clamping block 8 can be conveniently adjusted to adapt to seat belts of different sizes and types, which is easy to operate and improves the flexibility and applicability of the production line.
[0028] As a preferred embodiment of the above embodiment, it also includes a slider 18 and an elastic spring 22. A card slot is provided on the base plate 1. The slider 18 is slidably set in the card slot of the base plate 1. The auxiliary support block 5 is fastened to the slider 18. A pull rod 19 is fastened and inserted on the auxiliary support block 5. A guide block 20 is provided on the base plate 1. The pull rod 19 is slidably inserted on the guide block 20. A spring pressure block 21 is provided at the end of the pull rod 19. The elastic spring 22 is sleeved on the pull rod 19, and the elastic spring 22 is set between the guide block 20 and the spring pressure block 21; the slider 18 is slidably matched with the card slot on the base plate 1, and can move freely within a certain range. When the slider 18 is installed When tension changes occur during the full belt winding process, the slider 18 and the auxiliary support block 5 are fine-tuned through the action of the elastic spring 22, thereby realizing adaptive control of the seat belt winding tension and maintaining the stability and uniformity of the winding process; the presence of the elastic spring 22 can play a certain buffering role in the seat belt winding process, avoiding damage to components due to sudden force changes, and at the same time can also reduce the impact of unexpected impact on the overall mechanism; the cooperation of the pull rod 19 and the guide block 20 limits the moving direction of the auxiliary support block 5, so that it can only move along a preset trajectory, thereby enhancing the structural rigidity and operational stability of the entire winding mechanism.
[0029] As a preferred embodiment of the above embodiment, it also includes a slide plate 23 and a slide rail 26. The slide plate 23 is tightly connected to the slider 18, and a guide block 24 is arranged on the slide plate 23. A plurality of groups of feet 25 are arranged on the base plate 1. The slide rail 26 is installed on the foot 25, and the guide block 24 and the slide rail 26 are slidably matched; the slide plate 23 is tightly connected to the slider 18, and the guide block 24 on the slide plate is slidably matched with the slide rail 26 installed on the foot 25, which can ensure that the auxiliary support block 5 has high-precision linear guidance during movement, thereby improving the stability and accuracy of the winding action, and avoiding the situation where the quality of the seat belt winding is reduced due to uneven force or deviation of the movement trajectory; the slide plate 23 can effectively distribute the torque and load in the process of winding the seat belt to the entire base plate 1 through the sliding system composed of the slider 18 and the slide rail 26, thereby reducing local stress and extending the service life of the equipment.
[0030] As a preferred embodiment of the above embodiment, it also includes a clamping bracket 10 and a clamping roller 17. The clamping bracket 10 is arranged on the outer side of the base plate 1, and the clamping roller 17 is swingably arranged on the clamping bracket 10. The clamping roller 17 is used to clamp the seat belt wound on the seat belt retracting shaft 9; a cylinder 11 is swingably installed on the clamping bracket 10, and a cylinder hinge head 12 is fixedly installed on the output end of the cylinder 11. A linkage plate 13 is swingably installed on the cylinder hinge head 12. Two groups of bearing seats 14 are symmetrically arranged on the clamping bracket 10, and a group of transmission rods 15 are rotatably inserted on the two groups of bearing seats 14. The middle part of the transmission rod 15 is fastened and inserted on the linkage plate 13. The transmission rod 1 A swing frame 16 is fixedly mounted on the swing frame 16, and a pressing roller 17 is rotatably mounted on the swing frame 16; the pressing roller 17 is swingably arranged on the pressing bracket 10 and driven by the cylinder 11, and can automatically apply a constant pressure to the seat belt being wound on the seat belt winding shaft 9, so as to ensure that the seat belt is tightly and evenly wound on the winding shaft, improve the winding quality, and reduce the looseness and dislocation phenomenon; through the cylinder 11 and its matching linkage mechanism, the pressure of the pressing roller is accurately controlled and adjusted, and the pressing force can be automatically adjusted according to factors such as the material and thickness of the seat belt, which can not only ensure the winding effect, but also avoid the damage of the seat belt caused by excessive compression.
[0031] As a preferred embodiment of the above embodiment, it also includes a guide support plate 27, a pressure roller 31 and a support roller 32. The guide support plate 27 is arranged on the base plate 1. The pressure roller 31 and the support roller 32 are rotatably arranged on the guide support plate 27. The pressure roller 31 and the support roller 32 cooperate with each other to guide the reeled safety belt; a pressure block 28 is fixedly installed on the guide support plate 27, and two groups of tensioning springs 29 are fixedly installed on the pressure block 28. The sliding bearing 30 is fastened to the ends of the two groups of tensioning springs 29. The sliding bearing 30 is slidably mounted on the guide support plate 27, and the pressure roller 31 is rotatably mounted on the sliding bearing 30; the pressure roller 31 and The rollers 32 work together to provide effective guidance and support for the seat belt being wound, ensuring that the seat belt is evenly and smoothly wound around the seat belt reel 9 along a predetermined path, preventing the seat belt from twisting, folding or deviating from the center during the winding process, thereby improving the quality and aesthetics of the seat belt winding; the design of the tensioning spring 29 on the pressure block 28 enables the pressure roller 31 to adaptively tighten within a certain range according to the thickness and tension of the seat belt, thereby ensuring the tightness of the winding of the seat belt and avoiding damage to the seat belt due to excessive tension, thereby improving the adaptability and reliability of the equipment.
[0032] As a preferred embodiment of the above embodiment, a baffle 33 is mounted on the drive shaft 4; the baffle 33 can serve as a limiter for the seat belt reeling shaft 9 to prevent the seat belt from falling off or deviating from the seat belt reeling shaft 9 during high-speed reeling, thereby ensuring that the seat belt is always wound in an orderly manner along a prescribed path, thereby maintaining the stability and safety of the reeling process.
[0033] As a preferred embodiment of the above embodiment, the end of the clamping block 8 is set as a ball head; the ball head design allows the clamping block 8 to be fine-tuned and adapted at multiple angles within a certain range, so that no matter what slight angular deviation exists in the seat belt reel 9 during assembly, the best clamping effect can be achieved through the self-adjustment of the ball head, thereby ensuring the stability of the seat belt winding process; the contact area between the ball head and the seat belt reel 9 is small, and the relative friction force is also small, which can effectively reduce the wear between the clamping block 8 and the seat belt reel 9 and extend the service life of the equipment; the ball head design simplifies the docking process between the clamping block 8 and the seat belt reel 9, and the installation and fixation can be completed by simple insertion and rotation, thereby improving the assembly efficiency.
[0034] As a preferred embodiment of the above embodiment, a buffer rubber pad is provided on the slider 18; the buffer rubber pad has good elasticity, can absorb part of the impact and vibration during the sliding process of the slider 18, reduce the hard contact between the sliding parts, reduce noise and vibration, thereby protecting the slider, slide rail and components connected thereto from damage, and extending the service life of the equipment.
[0035] The utility model provides a car seat belt reeling mechanism, when it is working, the driving motor 3 serves as the power source of the entire mechanism, and starts working after receiving the command, and the driving shaft 4 is rotated through the power output end, and the seat belt reeling shaft 9 is sleeved on the driving shaft 4, so it rotates synchronously with the driving shaft to realize the reeling of the seat belt, and the clamping block 8 can flexibly adjust the angle through the ball head design, and fits tightly with the seat belt reeling shaft 9 to play a clamping role to ensure that the seat belt will not loosen during the reeling process, and the adjusting screw 6 cooperates with the hand wheel 7. The staff can adjust the pressure of the clamping block 8 on the seat belt reeling shaft 9 by rotating the hand wheel to adapt to seat belts of different thicknesses or tensions. The slider 18 cooperates with the slide rail 26 on the base plate 1 through the card slot, and can slide smoothly on the slide rail to achieve position adjustment. The elastic spring 22 provides a certain preload through the pull rod 19, so that the slider remains stable during movement and has a certain automatic reset function. The cylinder 11 on the clamping bracket 10 drives the swing frame 16 and the clamping roller 17 to move through the cylinder hinge 12, the linkage plate 13 and the transmission rod 15 structure. When the seat belt needs to be wound more tightly, the cylinder works and the clamping roller 17 presses against the seat belt reel 9 to increase the reeling force. The top pressure roller 31 and the support roller 32 on the guide support plate 27 work together to guide the reeling seat belt to ensure that it is wound straight and orderly on the seat belt reel 9. The top pressure spring 29 and the sliding bearing 30 on the top pressure block 28 ensure that the top pressure roller 31 can be fine-tuned up and down as the thickness of the seat belt changes, so as to always maintain the appropriate tension.
[0036] The utility model provides a car safety belt retracting mechanism, and its installation mode, connection mode or setting mode are all common mechanical modes, and any mode that can achieve its beneficial effects can be implemented.
[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A car seat belt reeling mechanism, characterized in that: It comprises a base plate, on which a motor mounting seat is arranged, and on which a driving motor is mounted; A driving shaft, the driving shaft is connected to the power output end of the driving motor, a seat belt retracting shaft is sleeved on the driving shaft, and the driving shaft is used to drive the seat belt retracting shaft to rotate; Auxiliary support block and clamping block, the auxiliary support block is arranged on the base plate, the auxiliary support block is provided with a clamping block, the clamping block is coaxial and concentric with the driving shaft, and the clamping block is used to clamp the seat belt retracting shaft.
2. A car seat belt reeling mechanism as claimed in claim 1, characterized in that: It also includes a slider and an elastic spring. A slot is provided on the base plate. The slider is slidably arranged in the slot of the base plate. The auxiliary support block is fastened to the slider. A pull rod is fastened and inserted on the auxiliary support block. A guide block is provided on the base plate. The pull rod is slidably inserted on the guide block. A spring pressure block is provided at the end of the pull rod. The elastic spring is sleeved on the pull rod, and the elastic spring is arranged between the guide block and the spring pressure block.
3. A car safety belt retracting mechanism as claimed in claim 2, characterized in that: It also includes a slide plate and a slide rail. The slide plate is tightly connected to the slide block. The slide plate is provided with a guide block. The base plate is provided with a plurality of groups of feet. The slide rail is installed on the feet. The guide block and the slide rail are slidably matched.
4. The automobile safety belt retracting mechanism according to claim 1, characterized in that: It also includes a clamping bracket and a clamping roller. The clamping bracket is arranged on the outside of the base plate. The clamping roller is swingably arranged on the clamping bracket. The clamping roller is used to clamp the safety belt wound on the safety belt retracting shaft.
5. The automobile safety belt retracting mechanism according to claim 1, characterized in that: It also includes a guide support plate, a pressure roller and an idler roller. The guide support plate is arranged on a base plate. The guide support plate is rotatably provided with a pressure roller and an idler roller. The pressure roller and the idler roller cooperate with each other to guide the reeled safety belt.
6. The automobile safety belt retracting mechanism according to claim 1, characterized in that: A baffle is sleeved on the driving shaft.
7. The automobile safety belt retracting mechanism according to claim 1, characterized in that: The end of the clamping block is arranged as a ball head.
8. The automobile safety belt retracting mechanism according to claim 2, characterized in that: A buffer rubber pad is arranged on the sliding block.