Clamping equipment for cold heading machining of torsion bar of automobile safety belt
By designing a clamping device that includes components such as support seats, positioning grooves, and support columns, the problem that existing equipment cannot be double-positioned is solved, and the safety and firmness of torsion rod processing are improved.
Patent Information
- Application Number
- CN202421909092.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-08-07
AI Technical Summary
The existing clamping equipment cannot double position when processing the vehicle seat belt torque rod, resulting in the workpiece being easily fall off after being loosened, reducing the safety of processing.
A clamping device including a support seat, a positioning slot, a support column, a limiting block, a return spring, a movable seat, accommodating slot, a fixing nut, a movable screw, a pad, a positioning block and a slider are designed. The combination of these components achieves dual positioning of the torsion rod, improving clamping firmness, and preventing falling off after being loosened.
The firm clamping of the torsion rod is achieved to prevent it from falling off after being loosened, and the safety of processing is improved.
Smart Images

Figure CN223185436U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical direction of automobile safety belt torsion bars, and particularly relates to a clamping device for cold heading processing of automobile safety belt torsion bars. Background Art
[0002] The safety belt is a safety part used on the equipment. Its main function is to ensure safety. The safety belt is composed of multiple components, including the torsion bar. The torsion bar requires a clamping device to position the workpiece during cold heading processing.
[0003] Existing clamping devices are not convenient for double positioning during use, which makes it easy for the workpiece to fall off directly after being released, resulting in damage, thereby reducing processing safety. This phenomenon has become a problem that needs to be solved urgently by those skilled in the art. Utility Model Content
[0004] The purpose of the utility model is to provide a clamping device for cold heading of a torsion bar of a car safety belt, aiming at solving the problems raised in the above-mentioned background technology.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: A clamping device for cold heading processing of a torsion bar of an automobile seat belt comprises a support seat, a positioning groove is provided on the top of the support seat, a support column is fixedly connected to the top of the support seat, a limit block is fixedly connected to the top of the support column, a return spring is fixedly connected to the bottom of the limit block, a movable seat is fixedly connected to the bottom of the return spring, a receiving groove is provided on the inner wall of the movable seat, a fixing nut is fixedly connected to the top of the receiving groove, a movable screw is movably connected to the inner wall of the fixing nut, a pad is fixedly connected to the bottom of the movable screw, a positioning block is movably connected to the bottom of the pad, and a block is fixedly connected to the outer wall of the positioning block. By providing the support seat, positioning groove, support column, limit block, return spring, movable seat, receiving groove, fixing nut, movable screw, pad, positioning block and slider, double positioning of the torsion bar is facilitated, thereby improving the firmness of the clamping and preventing damage caused by direct falling off after loosening, thereby improving the safety of processing.
[0006] Furthermore, the support column and the limiting block are distributed in a "T" shape, and the size of the limiting block is larger than the size of the return spring, which facilitates the support of the return spring.
[0007] Furthermore, the movable seat forms a telescopic structure with the support column through the reset spring, and the support column has a smooth surface, which facilitates the reset and sliding of the movable seat.
[0008] Furthermore, the movable screw rod passes through the top wall of the movable seat through a fixing nut, and the bottom of the movable screw rod extends into the interior of the accommodating groove, which facilitates lifting and lowering after rotating the movable screw rod.
[0009] Furthermore, the movable screw is connected to the positioning block through a cushion block, and the cushion block is an elastic rubber structure, which facilitates the sliding of the positioning block.
[0010] Furthermore, the positioning block is slidably connected to the support column via a slider, and the positioning block is semicircular when viewed from the front, which facilitates clamping and positioning of the torsion bar via the positioning block.
[0011] Compared with the prior art, the beneficial effects achieved by the present invention are:
[0012] (1) By providing a support seat, a positioning groove, a support column, a limit block, a reset spring, a movable seat, a receiving groove, a fixing nut, a movable screw, a pad, a positioning block and a slider, it is convenient to perform double positioning of the torsion bar, thereby improving the firmness of the clamping and preventing the easy damage caused by direct falling off after loosening, thereby improving the safety of processing. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a schematic front cross-sectional view of the present utility model;
[0016] Figure 3 It is a top view schematic diagram of the present utility model.
[0017] In the figure: 1. Support seat; 2. Positioning groove; 3. Support column; 4. Limit block; 5. Return spring; 6. Movable seat; 7. Receiving groove; 8. Fixing nut; 9. Movable screw; 10. Spacer; 11. Positioning block; 12. Slider. DETAILED DESCRIPTION
[0018] The following is a non-limiting detailed description of the technical solution of the present invention in conjunction with preferred embodiments and their accompanying drawings. Obviously, the described embodiments are only a portion of the embodiments of the present invention, and not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.
[0019] See also Figure 1-3 The utility model provides a technical solution: a clamping device for cold heading processing of a torsion bar of a car seat belt, comprising a support seat 1, a positioning groove 2 is provided on the top of the support seat 1, a support column 3 is fixedly connected to the top of the support column 3, a limiting block 4 is fixedly connected to the top of the limiting block 4, a return spring 5 is fixedly connected to the bottom of the return spring 5, a movable seat 6 is fixedly connected to the bottom of the movable seat 6, a receiving groove 7 is provided on the inner wall of the movable seat 6, a fixing nut 8 is fixedly connected to the top of the receiving groove 7, a movable screw 9 is movably connected to the inner wall of the fixing nut 8, and the movable The bottom of the screw 9 is fixedly connected to a pad 10, the bottom of the pad 10 is movably connected to a positioning block 11, and the outer wall of the positioning block 11 is fixedly connected to a block 12. By providing a support seat 1, a positioning groove 2, a support column 3, a limit block 4, a return spring 5, a movable seat 6, a receiving groove 7, a fixing nut 8, a movable screw 9, a pad 10, a positioning block 11 and a slider 12, it is convenient to perform double positioning of the torsion bar, thereby improving the firmness of the clamping, and preventing easy damage caused by direct falling off after loosening, thereby improving the safety of processing.
[0020] Furthermore, the support column 3 and the limiting block 4 are distributed in a "T" shape, and the size of the limiting block 4 is larger than that of the return spring 5, which facilitates supporting the return spring 5.
[0021] Furthermore, the movable seat 6 forms a telescopic structure with the support column 3 through the reset spring 5, and the support column 3 has a smooth surface, which facilitates the reset and sliding of the movable seat 6.
[0022] Furthermore, the movable screw rod 9 passes through the top wall of the movable seat 6 through the fixing nut 8, and the bottom of the movable screw rod 9 extends into the interior of the accommodating groove 7, which facilitates the lifting and lowering after the movable screw rod 9 is rotated.
[0023] Furthermore, the movable screw 9 is connected to the positioning block 11 through a cushion block 10, and the cushion block 10 is an elastic rubber structure, which facilitates the sliding of the positioning block 11.
[0024] Furthermore, the positioning block 11 is slidably connected to the support column 3 through the slider 12, and the positioning block 11 is semicircular when viewed from the front, which facilitates the clamping and positioning of the torsion bar through the positioning block 11.
[0025] When in use, first place the torsion bar into the inside of the positioning groove 2. At this time, through the elasticity of the return spring 5, the movable seat 6 drives the positioning block 11 to perform preliminary positioning of the torsion bar. Subsequently, the movable screw 9 is rotated to drive the pad 10 to slide, so that the pad 10 drives the positioning block 11 to slide, and the torsion bar can be doubly positioned, thereby improving the firmness of the positioning. Subsequently, after the movable screw 9 is rotated in the opposite direction, the positioning block 11 is loosened, and the positioning of the torsion bar can be contacted. At this time, the movable seat 6 is driven to slide by the return spring 5, so that the workpiece is maintained, which is conducive to solving the problem that the workpiece is prone to falling and damage when the clamp is released, thereby improving safety during use.
[0026] In the description of the present invention, it should be understood that the terms "up", "down", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.
[0027] Finally, it should be pointed out that the above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art will appreciate that modifications may be made to the technical solutions described in the above embodiments, or that some of the technical features may be replaced with equivalents. Such modifications or replacements do not deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims
1. A clamping device for cold heading of a torsion bar of a car safety belt, comprising a support seat (1), characterized in that: The top of the support seat (1) is provided with a positioning groove (2), the top of the support seat (1) is fixedly connected to a support column (3), the top of the support column (3) is fixedly connected to a limit block (4), the bottom of the limit block (4) is fixedly connected to a return spring (5), the bottom of the return spring (5) is fixedly connected to a movable seat (6), the inner wall of the movable seat (6) is provided with a receiving groove (7), the top of the receiving groove (7) is fixedly connected to a fixing nut (8), the inner wall of the fixing nut (8) is movably connected to a movable screw (9), the bottom of the movable screw (9) is fixedly connected to a cushion block (10), the bottom of the cushion block (10) is movably connected to a positioning block (11), and the outer wall of the positioning block (11) is fixedly connected to a block (12).
2. The clamping device for cold heading of a torsion bar of a car safety belt according to claim 1, characterized in that: The support column (3) and the limiting block (4) are distributed in a T-shape, and the size of the limiting block (4) is larger than the size of the return spring (5).
3. The clamping device for cold heading of a torsion bar of a vehicle safety belt according to claim 1, characterized in that: The movable seat (6) forms a telescopic structure with the support column (3) via a return spring (5), and the support column (3) has a smooth surface.
4. The clamping device for cold heading of a torsion bar of a vehicle safety belt according to claim 1, characterized in that: The movable screw rod (9) passes through the top wall of the movable seat (6) through the fixing nut (8), and the bottom of the movable screw rod (9) extends into the interior of the accommodating groove (7).
5. The clamping device for cold heading of a torsion bar of a vehicle safety belt according to claim 1, characterized in that: The movable screw (9) is connected to the positioning block (11) via a cushion block (10), and the cushion block (10) is an elastic rubber structure.
6. The clamping device for cold heading of a torsion bar of a vehicle safety belt according to claim 1, characterized in that: The positioning block (11) is slidably connected to the support column (3) via a slider (12), and the positioning block (11) is semicircular in shape when viewed from the front.