Safety belt winding mechanism of retractor
By designing the seat belt winding mechanism of the retractor, and using the transmission mechanism of the tooling fixture and the rotating disc, the automatic winding of the seat belt is realized, solving the problem of low traditional manual winding efficiency and improving production efficiency and flexibility.
Patent Information
- Application Number
- CN202520111145.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2035-01-17
AI Technical Summary
In the traditional retractor production process, the winding of the seat belt requires manual operation, resulting in high labor intensity, low production efficiency, and difficulty in adapting to the modern high-speed and efficient production requirements.
A seat belt winding mechanism for a retractor is designed. The mandrel is installed into the retractor assembly through tool clamps, and one end of the seat belt is embedded on the mandrel. The mandrel is driven by the second rotating disc for transmission, realizing the automatic winding operation of the seat belt.
The automatic winding of seat belts is realized, the production efficiency is improved, the labor intensity of workers is reduced, and the mandrel structure is more convenient to install.
Smart Images

Figure CN222554893U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to retractor production equipment, in particular to a safety belt winding mechanism of a retractor. Background Art
[0002] The reel is mainly used for safe reeling, unreeling and locking in emergency. During the production process of the reel, the safety belt needs to be wound on the mandrel. The traditional reel production process usually involves manually winding the safety belt on the mandrel and then installing the mandrel into the reel housing. This manual belt winding method is very labor-intensive for workers and has low production efficiency. In addition, the mandrel with the safety belt wound on it is also complicated to operate when it is installed into the reel, which is difficult to adapt to the modern high-speed and efficient production requirements. Utility Model Content
[0003] In view of the shortcomings of the background technology, the technical problem to be solved by the utility model is to provide a seat belt winding mechanism of a retractor for solving the above-mentioned problem.
[0004] To this end, the utility model is implemented by adopting the following scheme:
[0005] The seat belt winding mechanism of the retractor is characterized in that it includes a placing seat, a side pressure plate is arranged on one side of the placing seat, the side pressure plate is connected to the first movable driving assembly, and the first movable seat is arranged on the other side of the placing seat, the first movable seat is connected to the first movable adjustment assembly, the first movable seat is arranged with a first rotating disk and a second rotating disk, the first rotating disk is arranged with a second movable seat, the second movable seat is connected to the second movable adjustment assembly, and the second movable seat is arranged with a positioning pin, and the positioning pin can be inserted into the positioning hole of the retractor housing, and a clearance through hole is opened in the middle of the first rotating disk, and the second rotating disk is arranged corresponding to the clearance through hole, and a transmission groove is opened on the second rotating disk, and the outer protrusion at the side end of the retractor core shaft can be inserted into the transmission groove, and the second rotating disk is arranged on the third movable seat, and the third movable seat is slidably arranged on the first movable seat and connected to the second movable driving assembly.
[0006] The first moving drive assembly includes a first cylinder, and a piston rod of the first cylinder is connected to the side pressure plate.
[0007] The placement seat is liftably arranged on the base, a first inclined surface is arranged at the bottom of the placement seat, the first inclined surface abuts against a second inclined surface on the moving block, the moving block is screwed to a first screw rod rotatably arranged on the base, and a guide assembly is arranged corresponding to the moving block.
[0008] The first movable adjustment component includes a second screw rod rotatably arranged on the base, the second screw rod is threadedly connected to the first movable seat, and a guide component is arranged corresponding to the first movable seat.
[0009] The second movable adjustment component includes a third screw arranged on the first rotating disk, the third screw is threadedly connected to the second movable seat, the first rotating disk is connected to the third rotating disk through a connecting column, the third rotating disk is rotatably arranged on the first movable seat, and is locked by a fastener.
[0010] The second moving drive assembly includes a second cylinder, a piston rod of the second cylinder is connected to a third moving seat, a first motor is arranged on the third moving seat, and an output end of the first motor is connected to a second rotating disk.
[0011] The seat belt winding mechanism of the retractor of the above technical solution can, by designing corresponding tooling and fixtures, first install the core shaft into the retractor assembly and embed one end of the seat belt on the core shaft in advance, then position the retractor housing by means of the tooling and fixture, and finally control the second rotating disk to drive the core shaft for transmission, so that the seat belt can be automatically wound, replacing the traditional manual winding method, effectively improving the speed of seat belt winding and reducing the labor intensity of workers. At the same time, the separate core shaft structure also makes it more convenient for it to be installed inside the retractor in advance. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The utility model has the following drawings:
[0013] Figure 1 It is a schematic diagram of the structure of the utility model;
[0014] Figure 2 for Figure 1 A partial enlarged view of the area pointed by A in the middle;
[0015] Figure 3 for Figure 1 A view from another perspective;
[0016] Figure 4 It is a cross-sectional view of the placement seat of the utility model. DETAILED DESCRIPTION
[0017] As shown in the figure, the safety belt winding mechanism of the retractor disclosed by the utility model includes a placement seat 4, which is arranged on the base 1 in a liftable manner, and a first inclined surface 24 is arranged at the bottom of the placement seat 4, and the first inclined surface 24 is against the second inclined surface 22 on the moving block 23, and the moving block 23 is screwed with the first screw rod 3 rotatably arranged on the base 1, and a guide assembly is arranged corresponding to the moving block 23, and the moving block can be driven to move by controlling the rotation of the first screw rod 3, and the placement seat 4 can be driven to rise and fall to adjust its height under the cooperation of the first and second inclined surfaces. A side pressure plate 11 is arranged on one side of the placement seat 4, and the side pressure plate 11 is connected to the first moving drive assembly, and specifically, the first moving drive assembly includes a first cylinder 2, and the piston rod of the first cylinder 2 is connected to the side pressure plate 11. A first movable seat 5 is arranged on the other side of the placement seat 4, and the first movable seat 5 is connected to a first movable adjustment assembly. Specifically, the first movable adjustment assembly includes a second screw rod 20 rotatably arranged on the base 1, and the second screw rod 20 is screwed to the first movable seat 5. A guide assembly is arranged corresponding to the first movable seat 5. By controlling the rotation of the second screw rod 20, the first movable seat 5 can be driven to move, and then the front and rear position of the first movable seat 5 can be adjusted. The first movable seat 5 is provided with a first rotating disk 18 and a second rotating disk 13, and the first rotating disk 18 is provided with a second movable seat 15, and the second movable seat 15 is connected to the second movable adjustment assembly. The second movable seat 15 is provided with a locating pin 14, and the locating pin 14 can be inserted into the locating hole of the retractor housing. Specifically, the second movable adjustment component includes a third screw 16 arranged on the first rotating disk 18, and the third screw 16 is screwed with the second movable seat 15. By controlling the rotation of the third screw 16, the second movable seat 15 can be driven to move, and the position of the locating pin 14 can be adjusted. The first rotating disk 18 is connected to the third rotating disk 9 through the connecting column 7, and the third rotating disk 9 is rotatably arranged on the first movable seat 5. The third rotating disk 9 is connected to the driving shaft, and an adjusting handle 19 is connected to the driving shaft, and the third rotating disk 9 is locked by a fastener 21. After loosening the fastener 21, the adjusting handle 19 can be controlled to drive the driving shaft and the third rotating disk 9 to rotate, and then the first rotating disk 18 is driven to rotate through the connecting column 7 to adjust the angle of the second movable seat 15 and the locating pin 14, so that it can be aligned with the locating holes of the retractor housings of different specifications and models. A clearance hole 17 is provided in the middle of the first rotating disk 18, and the second rotating disk 13 is arranged corresponding to the clearance hole 17. A transmission groove 12 is provided on the second rotating disk 13, and the outer protrusion at the side end of the reel core shaft can be inserted into the transmission groove 12. The second rotating disk 13 is arranged on the third movable seat 6, and the third movable seat 6 is slidably arranged on the first movable seat 5 and connected to the second movable drive assembly. Specifically, the second movable drive assembly includes a second cylinder 8, and the piston rod of the second cylinder 8 is connected to the third movable seat 6. A first motor 10 is arranged on the third movable seat 6, and the output end of the first motor 10 is connected to the second rotating disk 13.
[0018] The working principle of the utility model is as follows: by placing the retractor shell with the core shaft installed on the placement seat 4, and at this time one end of the safety belt has been embedded on the core shaft, by controlling the action of the pressure plate 11, the retractor shell is pressed tightly against the first rotating disk 18, and the positioning pin 14 on the first rotating disk 18 is inserted into the positioning hole of the retractor shell to limit the retractor shell, and the outer protrusion of the side end of the core shaft is inserted into the transmission groove 12, and then the second rotating disk 13 is controlled to rotate, which can drive the core shaft to rotate, thereby realizing the winding operation of the safety belt, and at the same time, by setting a plurality of adjustment mechanisms, the corresponding adjustment of each component can be carried out according to the specifications of the retractor shell, effectively improving its flexibility of use.
[0019] The structure of the utility model can, by designing corresponding tooling fixtures, first install the core shaft into the retractor assembly and embed one end of the safety belt on the core shaft in advance, then position the retractor housing by means of the tooling fixture, and finally control the second rotating disk to drive the core shaft for transmission, so that the safety belt can be automatically wound, replacing the traditional manual winding method, effectively improving the speed of the safety belt winding and reducing the labor intensity of workers. At the same time, the separate core shaft structure also makes it more convenient for it to be installed inside the retractor in advance.
Claims
1. The seat belt winding mechanism of the retractor is characterized by: The invention comprises a placement seat (4), a side pressure plate (11) is arranged on one side of the placement seat (4), the side pressure plate (11) is connected to a first moving drive assembly, a first moving seat (5) is arranged on the other side of the placement seat (4), the first moving seat (5) is connected to a first moving adjustment assembly, a first rotating disk (18) and a second rotating disk (13) are arranged on the first moving seat (5), a second moving seat (15) is arranged on the first rotating disk (18), the second moving seat (15) is connected to a second moving adjustment assembly, and the second moving seat (15) is provided with a first rotating disk (13). A positioning pin (14) is provided, and the positioning pin (14) can be inserted into a positioning hole of the retractor housing. A clearance through hole (17) is provided in the middle of the first rotating disk (18). The second rotating disk (13) is provided corresponding to the clearance through hole (17). A transmission groove (12) is provided on the second rotating disk (13). The outer protrusion at the side end of the retractor core shaft can be inserted into the transmission groove (12). The second rotating disk (13) is provided on the third movable seat (6). The third movable seat (6) is slidably provided on the first movable seat (5) and is connected to the second movable drive assembly.
2. The seat belt winding mechanism of the retractor according to claim 1, characterized in that: The first moving drive assembly comprises a first cylinder (2), wherein a piston rod of the first cylinder (2) is connected to a side pressure plate (11).
3. The seat belt winding mechanism of the retractor according to claim 1, characterized in that: The placement seat (4) is liftably arranged on the base (1); a first inclined surface (24) is arranged at the bottom of the placement seat (4); the first inclined surface (24) abuts against a second inclined surface (22) on a moving block (23); the moving block (23) is screwed to a first screw rod (3) rotatably arranged on the base (1); and a guide assembly is arranged corresponding to the moving block (23).
4. The seat belt winding mechanism of the retractor according to claim 1, characterized in that: The first movable adjustment component comprises a second screw rod (20) rotatably arranged on the base (1), the second screw rod (20) being threadedly connected to the first movable seat (5), and a guide component is arranged corresponding to the first movable seat (5).
5. The seat belt winding mechanism of the retractor according to claim 1, characterized in that: The second movable adjustment component comprises a third screw rod (16) arranged on the first rotating disk (18), the third screw rod (16) being threadedly connected to the second movable seat (15), the first rotating disk (18) being connected to the third rotating disk (9) via a connecting column (7), the third rotating disk (9) being rotatably arranged on the first movable seat (5) and being locked by a fastener (21).
6. The seat belt winding mechanism of the retractor according to claim 1, characterized in that: The second moving drive assembly comprises a second cylinder (8), a piston rod of the second cylinder (8) being connected to a third moving seat (6), a first motor (10) being arranged on the third moving seat (6), and an output end of the first motor (10) being connected to a second rotating disk (13).