Press-in equipment for lower bushing of shock absorber
By using electric push rods and elastic positioning structure in the lower bushing pressing equipment of the shock absorber, the position deviation problem caused by different inner diameters of the inner liner is solved, and the precise positioning and stable pressing of the lower bushing is achieved, avoiding clamping The appearance of traces.
Patent Information
- Application Number
- CN202421124751.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-22
AI Technical Summary
The existing shock absorber lower bushing pressing equipment is different in size, which makes the lower bushing easily deviate when pressing, making it difficult to accurately locate.
A device including a base, frame, electric push rod and positioning structure is designed. The positioning structure consists of a circular plate, a circular shaft, an elastic structure (including grooves, arcuate blocks and springs). Through the elastic action of the elastic structure, it will be completed. The lining is fixed to the circular shaft and the precise positioning and fixing of the lower bushing is achieved through an electric push rod and threaded rod system.
It effectively avoids the problem of positioning of the lower bushing during the pressing process, ensures accurate positioning and stable pressing of the inner liner, and avoids the occurrence of surface clamps through the rubber pad.
Smart Images

Figure CN222344721U_ABST
Abstract
Description
Technical Field
[0001] This patent relates to the field of shock absorber technology, specifically a shock absorber lower bushing pressing device. Background Art
[0002] A necessary condition for a car to be able to drive stably on the road is to have a car shock absorber. With the shock absorber, the car can be very stable on bumpy roads. During the production process of the shock absorber, the inner liner needs to be pressed into the shock absorber lower bushing for assembly. However, the current shock absorber lower bushing pressing equipment is not convenient for positioning the inner liner due to the different inner diameters of the inner liner to be pressed in, resulting in the problem of displacement in the pressed lower bushing. Utility Model Content
[0003] The purpose of this patent is to provide a shock absorber lower bushing pressing device.
[0004] To achieve the above purpose, the present invention provides the following technical solutions: a shock absorber lower bushing pressing device, comprising a base and an inner liner, the base is provided with a placement groove, the lower bushing is placed in the placement groove, a frame is installed on the base, a mounting opening is provided on the frame, an electric push rod is installed in the mounting opening, a positioning structure is installed on the output end of the electric push rod, and the positioning structure comprises a circular plate, a circular shaft and an elastic structure;
[0005] The circular plate is mounted on the output end of the electric push rod, the circular shaft is mounted on the circular plate, the elastic structure is mounted on the circular shaft, the number of the elastic structures is two, the elastic structures are symmetrically distributed on both sides with the center line of the circular shaft as the center, and the elastic structure includes a groove, an arc block and a spring;
[0006] The groove is formed on the circular shaft, the arc block is placed in the groove, the spring is installed between the groove and the arc block, the inner liner is sleeved outside the circular shaft, and the arc block is pressed tightly against the inner liner.
[0007] Preferably, the lower bushing is fixed in the placement groove by a clamping piece, the number of the clamping pieces is two, the clamping pieces are symmetrically distributed on both sides with the midline of the base as the center, and the clamping piece includes a threaded hole, a threaded rod, a clamping block, a circular groove and a bearing;
[0008] The threaded hole is formed on the frame, the threaded rod is sleeved in the threaded hole, the circular groove is formed on the clamping block, the bearing is installed in the circular groove, the threaded rod is installed in the bearing, and the clamping block clamps the lower bushing.
[0009] Preferably, a sliding structure is installed on the clamping block, the sliding structure is arranged corresponding to the clamping block, and the sliding structure includes a sliding block and a sliding groove;
[0010] The sliding block is installed on the clamping block, the sliding groove is arranged on the base, and the sliding block is slidably connected in the sliding groove.
[0011] Preferably, a rubber pad is installed on the clamping block, and the rubber pad is arranged corresponding to the clamping block.
[0012] Preferably, a transverse plate is installed between the electric push rod and the frame, and the number of the transverse plates is two, and the transverse plates are symmetrically distributed on both sides with the midline of the electric push rod as the center.
[0013] Preferably, a turntable is installed on the threaded rod, and the turntable is arranged corresponding to the threaded rod.
[0014] Compared with the prior art, the beneficial effects of this patent are: the shock absorber lower bushing pressing device has the following advantages compared with the traditional technology:
[0015] 1. Manually put the lower bushing into the placement groove on the base, put the inner bushing on the round shaft and press it against the round plate. The spring in the groove gives the arc block an outward force, and the arc block presses tightly against the inner bushing. Through the elasticity of the spring, the liners with different inner diameters can be positioned and fixed. At this time, the output end of the electric push rod drives the round plate to move downward, so that the inner liner is close to the lower bushing. After manually adjusting the position of the lower bushing, the inner liner can be pressed into the lower bushing to avoid pressing into the offset position;
[0016] 2. At the same time, rotating the turntable drives the threaded rod to rotate in the threaded hole. The threaded rod rotates on the clamp block through the bearing. The clamp block moves along the slide groove with the slider. The clamp block clamps the lower bushing with the rubber pad to fix it in the placement groove, and the rubber pad prevents clamp marks from appearing on the surface of the lower bushing. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the structure of this patent;
[0018] Figure 2 This is a schematic diagram of the structure of the groove, arc block and spring of this patent;
[0019] Figure 3 This is a schematic diagram of the structure of Patent A;
[0020] Figure 4 This is a schematic diagram of the structure of patent B.
[0021] In the figure: 1, base, 2, frame, 3, mounting port, 4, positioning structure, 401, round plate, 402, round shaft, 403, elastic structure, 404, groove, 405, arc block, 406, spring, 5, electric push rod, 6, placement groove, 7, lower bushing, 8, inner lining, 9, cross plate, 10, clamping part, 11, threaded hole, 12, threaded rod, 13, clamping block, 14, round groove, 15, bearing, 16, sliding structure, 17, slider, 18, slide groove, 19, rubber pad, 20, turntable. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of this patent to clearly and completely describe the technical solutions in the embodiments of this patent. Obviously, the described embodiments are only part of the embodiments of this patent, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.
[0023] See also Figure 1-4 , this patent provides a technical solution: a shock absorber lower bushing pressing device, including a base 1 and an inner liner 8, a placement groove 6 is provided on the base 1, a lower bushing 7 is placed in the placement groove 6, the inner liner 8 is an inner bushing in the upper and lower bushings 7 of the shock absorber, a frame 2 is installed on the base 1, a mounting opening 3 is provided on the frame 2, an electric push rod 5 is installed in the mounting opening 3, the electric push rod 5 is powered on to work, a positioning structure 4 is installed on the output end of the electric push rod 5, and the positioning structure 4 includes a circular plate 401, a circular shaft 402 and an elastic structure 403;
[0024] The circular plate 401 is mounted on the output end of the electric push rod 5, the circular shaft 402 is mounted on the circular plate 401, and the elastic structure 403 is mounted on the circular shaft 402. There are two elastic structures 403, and the elastic structures 403 are symmetrically distributed on both sides with the center line of the circular shaft 402 as the center. The elastic structure 403 includes a groove 404, an arc block 405 and a spring 406;
[0025] The groove 404 is opened on the circular shaft 402, the arc block 405 is placed in the groove 404, the spring 406 is installed between the groove 404 and the arc block 405, the liner 8 is sleeved on the outside of the circular shaft 402, and the arc block 405 is pressed against the liner 8. The lower bushing 7 is manually aligned and placed into the placement groove 6 on the base 1, and the liner 8 is sleeved on the circular shaft 402 and pressed against the circular plate 401. The spring 406 in the groove 404 gives the arc block 405 an outward force, and the arc block 405 is pressed against the liner 8. Through the elasticity of the spring 406, the liners 8 with different inner diameters can be positioned and fixed. At this time, the output end of the electric push rod 5 drives the circular plate 401 to move downward, so that the liner 8 is close to the lower bushing 7. After the position of the lower bushing 7 is manually adjusted, the liner 8 can be pressed into the lower bushing 7.
[0026] The lower bushing 7 is fixed in the placement groove 6 by a clamping piece 10. There are two clamping pieces 10. The clamping pieces 10 are symmetrically distributed on both sides with the center line of the base 1 as the center. The clamping piece 10 includes a threaded hole 11, a threaded rod 12, a clamping block 13, a circular groove 14 and a bearing 15.
[0027] The threaded hole 11 is formed on the frame 2, the threaded rod 12 is sleeved in the threaded hole 11, the circular groove 14 is formed on the clamping block 13, the bearing 15 is installed in the circular groove 14, the threaded rod 12 is installed in the bearing 15, and the clamping block 13 clamps the lower bushing 7;
[0028] A sliding structure 16 is installed on the clamping block 13. The sliding structure 16 is arranged corresponding to the clamping block 13. The sliding structure 16 includes a sliding block 17 and a sliding groove 18.
[0029] The slider 17 is mounted on the clamping block 13, and the slide groove 18 is provided on the base 1, and the slider 17 is slidably connected in the slide groove 18;
[0030] A rubber pad 19 is installed on the clamping block 13, and the rubber pad 19 is arranged corresponding to the clamping block 13;
[0031] A turntable 20 is installed on the threaded rod 12, and the turntable 20 is arranged corresponding to the threaded rod 12. When the turntable 20 is rotated at the same time, the threaded rod 12 is driven to rotate in the threaded hole 11, and the threaded rod 12 is rotated on the clamping block 13 through the bearing 15. The clamping block 13 moves along the slide groove 18 with the slider 17. The clamping block 13 clamps the lower bushing 7 with the rubber pad 19 to fix it in the placement groove 6, and the rubber pad 19 prevents the lower bushing 7 from having clamp marks on the surface.
[0032] A transverse plate 9 is installed between the electric push rod 5 and the frame 2. There are two transverse plates 9. The transverse plates 9 are symmetrically distributed on both sides with the midline of the electric push rod 5 as the center. The transverse plates 9 strengthen the connection between the electric push rod 5 and the frame 2.
[0033] When the lower bushing of the shock absorber is pressed into the device, firstly, the lower bushing 7 is manually placed in the placement groove 6 on the base 1, and the turntable 20 is rotated at the same time to drive the threaded rod 12 to rotate in the threaded hole 11, and the threaded rod 12 rotates on the clamping block 13 through the bearing 15, and the clamping block 13 moves along the slide groove 18 with the slider 17, and the clamping block 13 clamps and fixes the lower bushing 7 in the placement groove 6 with the rubber pad 19, and the rubber pad 19 prevents the lower bushing 7 from having clamp marks on the surface. The liner 8 is sleeved on the round shaft 402 and pressed against the circular plate 401, and the spring 406 in the groove 404 applies force to the arc block 405 to the outside, and the arc block 405 is pressed tightly against the liner 8. Through the elasticity of the spring 406, the liners 8 with different inner diameters can be positioned and fixed. At this time, the output end of the electric push rod 5 drives the circular plate 401 to move downward, so that the liner 8 is close to the lower bushing 7. After the position of the lower bushing 7 is manually adjusted, the liner 8 can be pressed into the lower bushing 7 to avoid being pressed into an offset position.
[0034] Although the embodiments of the present patent have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present patent, and the scope of the present patent is defined by the appended claims and their equivalents.
Claims
1. A shock absorber lower bushing press-in device, comprising a base (1) and an inner liner (8), characterized in that: The base (1) is provided with a placement groove (6), a lower bushing (7) is placed in the placement groove (6), a frame (2) is installed on the base (1), a mounting opening (3) is provided on the frame (2), an electric push rod (5) is installed in the mounting opening (3), a positioning structure (4) is installed on the output end of the electric push rod (5), and the positioning structure (4) comprises a circular plate (401), a circular shaft (402) and an elastic structure (403); The circular plate (401) is mounted on the output end of the electric push rod (5), the circular shaft (402) is mounted on the circular plate (401), the elastic structure (403) is mounted on the circular shaft (402), the number of the elastic structures (403) is two, the elastic structures (403) are symmetrically distributed on both sides with the center line of the circular shaft (402) as the center, and the elastic structure (403) includes a groove (404), an arc block (405) and a spring (406); The groove (404) is formed on the circular shaft (402), the arc block (405) is placed in the groove (404), the spring (406) is installed between the groove (404) and the arc block (405), the liner (8) is sleeved outside the circular shaft (402), and the arc block (405) is pressed tightly against the inside of the liner (8).
2. A shock absorber lower bushing pressing device according to claim 1, characterized in that: The lower bushing (7) is fixed in the placement groove (6) by a clamping piece (10). The number of the clamping pieces (10) is two. The clamping pieces (10) are symmetrically distributed on both sides with the center line of the base (1) as the center. The clamping piece (10) includes a threaded hole (11), a threaded rod (12), a clamping block (13), a circular groove (14) and a bearing (15); The threaded hole (11) is formed on the frame (2), the threaded rod (12) is sleeved in the threaded hole (11), the circular groove (14) is formed on the clamping block (13), the bearing (15) is installed in the circular groove (14), the threaded rod (12) is installed in the bearing (15), and the clamping block (13) clamps the lower bushing (7).
3. A shock absorber lower bushing pressing device according to claim 2, characterized in that: A sliding structure (16) is installed on the clamping block (13), the sliding structure (16) is arranged corresponding to the clamping block (13), and the sliding structure (16) comprises a sliding block (17) and a sliding groove (18); The slider (17) is mounted on the clamping block (13), the slide groove (18) is provided on the base (1), and the slider (17) is slidably connected in the slide groove (18).
4. A shock absorber lower bushing pressing device according to claim 3, characterized in that: A rubber pad (19) is installed on the clamping block (13), and the rubber pad (19) is arranged corresponding to the clamping block (13).
5. The shock absorber lower bushing pressing device according to claim 1, characterized in that: A transverse plate (9) is installed between the electric push rod (5) and the frame (2). The number of the transverse plates (9) is two, and the transverse plates (9) are symmetrically distributed on both sides with the center line of the electric push rod (5) as the center.
6. A shock absorber lower bushing pressing device according to claim 2, characterized in that: A rotating disk (20) is mounted on the threaded rod (12), and the rotating disk (20) is arranged corresponding to the threaded rod (12).