Electric vehicle front shock absorber oil seal compression positioning device

The electric vehicle front shock absorber oil seal press-fitting and positioning device, designed with a support frame and limiting mechanism, solves the problem of inconvenient installation of shock absorber oil seals in the existing technology, achieves stable clamping and uniform force application, and extends the service life of the device.

CN224445765UActive Publication Date: 2026-07-03WUXI ZHONGLI MASCH TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUXI ZHONGLI MASCH TECH CO LTD
Filing Date
2025-07-10
Publication Date
2026-07-03

Smart Images

  • Figure CN224445765U_ABST
    Figure CN224445765U_ABST
Patent Text Reader

Abstract

The utility model discloses an electric motor car front shock absorber oil blanket pressure equipment positioning device, has effectively facilitated to chuck shock absorber, including support frame, one liftable power board is equipped with the upside of support frame, and the middle part fixed connection of power board has a support sleeve, the upside of support frame is equipped with two slide bars, the left and right sides of power board are slidably connected with corresponding slide bar respectively, the upside of support frame is equipped with a fixed plate, and the downside of fixed plate is equipped with a limiting mechanism for limiting shock absorber, the utility model discloses novel structure, and the conception is ingenious, and simple and convenient operation has effectively facilitated the operation of staff, has increased the service life of device, makes the force more uniform, has facilitated the maintenance to fixed plate, has increased the function of limiting shock absorber slide bar.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of shock absorber manufacturing technology, and relates to a pressure-fitting and positioning device for an oil seal of a front shock absorber for an electric vehicle. Background Technology

[0002] Shock absorber oil seals are key components in shock absorbers, used to seal the hydraulic oil inside the shock absorber, preventing hydraulic oil leakage and the intrusion of external dust and moisture. Shock absorber oil seals play a crucial role in ensuring the normal operation of the shock absorber and extending its service life.

[0003] It is typically mounted on the piston rod of the shock absorber and is usually made of rubber or polymer materials. It fits tightly against the surface of the piston rod, forming a sealing ring to prevent hydraulic oil from leaking from the inside of the shock absorber, while also preventing external dust, moisture, and other impurities from entering the shock absorber.

[0004] When assembling shock absorbers, the oil seal needs to be press-fitted between the piston rod and the sleeve. This requires a special press-fitting tool. However, the existing press-fitting tool is inconvenient for loading and unloading shock absorbers, which is very inconvenient. Therefore, an electric vehicle front shock absorber oil seal press-fitting and positioning device that can conveniently limit the position of the shock absorber is needed to solve the above problems. Utility Model Content

[0005] To address the aforementioned problems, this utility model proposes a pressing and positioning device for the oil seal of the front shock absorber of an electric vehicle, which effectively solves the problems in the prior art.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] An oil seal press-fitting and positioning device for a front shock absorber of an electric vehicle includes a support frame. The upper side of the support frame is provided with a liftable power plate. A support sleeve is fixedly connected to the middle of the power plate. The upper side of the support frame is provided with two sliding rods. The left and right sides of the power plate are slidably connected to the corresponding sliding rods. The upper side of the support frame is provided with a fixing plate. The lower side of the fixing plate is provided with a limiting mechanism for limiting the shock absorber.

[0008] Preferably, the lower side of the support frame is fixedly connected to multiple support legs, each support leg is threadedly connected to an adjusting rod, and each adjusting rod is fixedly connected to a knob in the middle.

[0009] Preferably, a cylinder is fixedly connected to the lower side of the middle part of the support frame, and the output shaft of the cylinder passes through the support frame and is fixedly connected to the middle part of the power plate.

[0010] Preferably, the upper side of the support frame is provided with a removable replacement pad, and the lower part of each slide rod passes through the replacement pad and is threadedly connected to the support frame.

[0011] Preferably, the power plate has sliding holes on both the left and right sides, and a sliding sleeve is fixedly connected inside each sliding hole. The power plate is slidably connected to the slide rod through the sliding sleeve.

[0012] Preferably, the fixing plate has fixing holes on both the left and right sides, and each sliding rod has a fixing bolt threaded through the fixing hole on its upper side. Each fixing bolt has a first washer between itself and the fixing plate.

[0013] Preferably, the limiting mechanism includes a spring and two symmetrically arranged arc-shaped blocks, each arc-shaped block having a mounting sleeve fixedly connected to its front, and the left and right ends of the spring respectively abutting against the corresponding mounting sleeves.

[0014] Preferably, each of the arc-shaped blocks is rotatably connected to the fixing plate by bolts, and a second washer is provided between each arc-shaped block and the corresponding bolt.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. This utility model has a support sleeve and a limiting mechanism. The limiting mechanism can limit the backward movement of the slide rod, so that the slide rod will not come out under its own weight and will not come out without human intervention.

[0017] 2. This utility model has a sliding rod, which makes the lifting process of the power plate more stable and the force applied to the shock absorber more even. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a side view schematic diagram of the present invention.

[0020] Figure 3 This is a schematic diagram of the limiting mechanism in this utility model from a low angle.

[0021] In the diagram: 1. Support frame; 2. Power plate; 3. Support sleeve; 4. Slide rod; 5. Fixing plate; 6. Limiting mechanism; 7. Support leg; 8. Adjusting rod; 9. Knob; 10. Cylinder; 11. Replacement pad; 12. Sliding hole; 13. Sliding sleeve; 14. Fixing hole; 15. Fixing bolt; 16. First washer; 17. Arc block; 18. Mounting sleeve; 19. Second washer; 20. Spring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] The following is in conjunction with the appendix Figures 1 to 3 The specific embodiments of this utility model will be described in further detail.

[0024] Depend on Figures 1 to 3 As shown, this utility model includes a support frame 1. In order to facilitate the clamping of the shock absorber, a liftable power plate 2 is provided on the upper side of the support frame 1. A support sleeve 3 is fixedly connected to the middle of the power plate 2. Two sliding rods 4 are provided on the upper side of the support frame 1. The left and right sides of the power plate 2 are slidably connected to the corresponding sliding rods 4. A fixed plate 5 is provided on the upper side of the support frame 1. A limiting mechanism 6 for limiting the shock absorber is provided on the lower side of the fixed plate 5.

[0025] In use, the oil seal can be placed at the position where the shock absorber sleeve contacts the slide bar 4. Then, the bottom of the shock absorber sleeve is placed inside the support sleeve 3. Then, push the slide bar 4 of the shock absorber forward so that the slide bar 4 cooperates with the limiting mechanism 6. After that, the power plate 2 can be raised. The power plate 2 drives the shock absorber sleeve to move upward through the support sleeve 3, and then contacts the upper side of the shock absorber sleeve through the limiting mechanism 6 to install the oil seal in place. Setting the slide bar 4 can make the lifting process of the power plate 2 more stable and the force applied more evenly.

[0026] Furthermore, by Figures 1 to 3 As shown, in order to facilitate operation by the staff, multiple support legs 7 are fixedly connected to the lower side of the support frame 1. Each support leg 7 is threadedly connected to an adjusting rod 8 on its lower side, and a knob 9 is fixedly connected to the middle of each adjusting rod 8.

[0027] In use, the support leg 7 can raise the support frame 1 to a suitable height. By turning the knob 9, the adjusting rod 8 can be raised or lowered relative to the support leg 7, thereby leveling the support frame 1.

[0028] Furthermore, by Figures 1 to 3 As shown, in order to facilitate operation by the staff, a cylinder 10 is fixedly connected to the lower side of the middle part of the support frame 1, and the output shaft of the cylinder 10 passes through the support frame 1 and is fixedly connected to the middle part of the power plate 2.

[0029] Furthermore, by Figures 1 to 3As shown, in order to increase the service life of the device, a removable replacement pad 11 is provided on the upper side of the support frame 1, and the lower part of each slide rod 4 passes through the replacement pad 11 and is threadedly connected to the support frame 1.

[0030] When in use, cylinder 10 is existing technology and will not be described in detail here. After the replacement pad 11 has been used for a period of time, it can be removed and replaced by bolts on the underside of the replacement pad 11, so that the workers can have a better processing environment.

[0031] Furthermore, by Figures 1 to 3 As shown, in order to make the force application more uniform, a sliding hole 12 is provided on each of the left and right sides of the power plate 2. A sliding sleeve 13 is fixedly connected inside each sliding hole 12. The power plate 2 is slidably connected to the slide rod 4 through the sliding sleeve 13.

[0032] In use, the sliding sleeve 13 and the sliding hole 12 make the sliding of the power plate 2 relative to the slide rod 4 smoother.

[0033] Furthermore, by Figures 1 to 3 As shown, in order to facilitate the maintenance of the fixing plate 5, a fixing hole 14 is provided on each of the left and right sides of the fixing plate 5. A fixing bolt 15 is threaded through the fixing hole 14 on the upper side of each slide rod 4. A first washer 16 is provided between each fixing bolt 15 and the fixing plate 5.

[0034] In use, the first washer 16 and the fixing bolt 15 can increase the stability of the connection between the fixing plate 5 and each slide rod 4. When it is necessary to replace or repair the fixing plate 5, the fixing plate 5 can be disassembled through the fixing bolt 15.

[0035] Furthermore, by Figures 1 to 3 As shown, in order to add the function of limiting the shock absorber slide bar 4, the limiting mechanism 6 includes a spring 20 and two arc-shaped blocks 17 arranged symmetrically on the left and right. Each arc-shaped block 17 has a mounting sleeve 18 fixedly connected to its front. The left and right ends of the spring 20 respectively abut against the corresponding mounting sleeve 18.

[0036] Each arc-shaped block 17 is rotatably connected to the fixing plate 5 by bolts, and a second washer 19 is provided between each arc-shaped block 17 and the corresponding bolt; the second washer 19 enables the two arc-shaped blocks 17 to rotate more smoothly relative to the fixing plate 5.

[0037] When in use, when the slide bar 4 is pushed forward, the slide bar 4 will first contact the rear side of the two arc-shaped blocks 17 and push the arc-shaped blocks 17 to the left and right sides, thereby bringing the two mounting sleeves 18 closer to each other. The spring 20 stores force. When the slide bar 4 enters between the two arc-shaped blocks 17, the force of the spring 20 can limit the backward movement of the slide bar 4, so that the slide bar 4 will not come out under its own weight and will not come out without human intervention.

[0038] In use, the oil seal is first placed at the contact position between the shock absorber sleeve and the slide rod 4. Then, the bottom of the shock absorber sleeve is placed inside the support sleeve 3. The slide rod 4 of the shock absorber is then pushed forward, so that the slide rod 4 cooperates with the limiting mechanism 6. When the slide rod 4 is pushed forward, it will first contact the rear side of the two arc blocks 17 and push the arc blocks 17 to the left and right sides, thereby bringing the two mounting sleeves 18 closer together. The spring 20 stores force. When the slide rod 4 enters between the two arc blocks 17, the force of the spring 20 can limit the backward movement of the slide rod 4, so that the slide rod 4 will not come out under its own weight. It will not come out without human intervention. Then, the power plate 2 can be raised. The power plate 2 drives the shock absorber sleeve to move upward through the support sleeve 3, and then contacts the upper side of the shock absorber sleeve through the limiting mechanism 6, installing the oil seal in place. Setting the slide rod 4 can make the lifting process of the power plate 2 more stable and the force applied more evenly.

[0039] This utility model has a novel structure, ingenious design, and simple and convenient operation. This design effectively facilitates the clamping of the shock absorber, makes it easier for operators to operate, increases the service life of the device, makes the force application more uniform, facilitates the maintenance of the fixing plate 5, and adds the function of limiting the movement of the shock absorber slide rod 4.

[0040] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An electric vehicle front shock absorber oil seal press positioning device, comprising a support frame, characterized in that: The upper side of the support frame is provided with a liftable power plate, and a support sleeve is fixedly connected to the middle of the power plate. The upper side of the support frame is provided with two sliding rods, and the left and right sides of the power plate are respectively slidably connected to the corresponding sliding rods. The upper side of the support frame is provided with a fixing plate, and the lower side of the fixing plate is provided with a limiting mechanism for limiting the shock absorber.

2. The electric vehicle front shock absorber oil seal press positioning device according to claim 1, characterized in that: The lower side of the support frame is fixedly connected to multiple support legs, and each support leg is threadedly connected to an adjustment rod on its lower side. Each adjustment rod is fixedly connected to a knob in the middle.

3. The electric vehicle front shock absorber oil seal press positioning device according to claim 1, characterized in that: A cylinder is fixedly connected to the lower side of the middle part of the support frame, and the output shaft of the cylinder passes through the support frame and is fixedly connected to the middle part of the power plate.

4. The electric vehicle front shock absorber oil seal press positioning device of claim 1, wherein: The upper side of the support frame is provided with a removable replacement pad, and the lower part of each slide rod passes through the replacement pad and is threadedly connected to the support frame.

5. The electric vehicle front shock absorber oil seal press positioning device of claim 1, wherein: The power plate has sliding holes on both the left and right sides, and a sliding sleeve is fixedly connected inside each sliding hole. The power plate is slidably connected to the slide rod through the sliding sleeve.

6. The electric vehicle front shock absorber oil seal press positioning device of claim 1, wherein: The fixing plate has fixing holes on both the left and right sides. Each sliding rod has a fixing bolt threaded through the fixing hole on its upper side. Each fixing bolt has a first washer between itself and the fixing plate.

7. The electric vehicle front shock absorber oil seal press positioning device of claim 1, wherein: The limiting mechanism includes a spring and two symmetrically arranged arc-shaped blocks. Each arc-shaped block has a mounting sleeve fixedly connected to its front. The left and right ends of the spring abut against the corresponding mounting sleeves.

8. The electric vehicle front shock absorber oil seal press positioning device of claim 7, wherein: Each of the arc-shaped blocks is rotatably connected to the fixing plate by bolts, and a second washer is provided between each arc-shaped block and the corresponding bolt.