Folding type front plate spring lifting lug
By designing shock absorbing structure and moving structure on the front leaf spring hoist, and using shock absorbers and springs for buffering, the problem of the front leaf spring hoist is easily broken during bumps, improving the safety and comfort of the vehicle .
Patent Information
- Application Number
- CN202421414581.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-02-25
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing front leaf spring hoist is prone to breaking due to sudden stress when the vehicle is shaking, which poses safety hazards.
A folding front leaf spring hoist is designed. By setting up a shock absorbing structure and moving structure on the upper arm hoist and lower arm hoist on the front leaf spring, the shock absorber and spring are used for buffering to avoid sudden stress on the steel leaf spring. fracture.
It effectively avoids the steel leaf spring breaking due to sudden stress, reduces the overall safety hazards of the car, and improves the comfort of the vehicle, and uses the double buffering and shock absorption effect of the shock absorber and the spring.
Smart Images
Figure CN222522415U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a foldable front leaf spring lifting eye. Background Art
[0002] Leaf spring, also known as leaf spring, is a leaf spring composed of at least one piece of spring steel. Leaf springs are commonly used in wheeled vehicle suspensions. Originally called laminated or bracket springs, sometimes called semi-elliptical springs or trolley springs, they are one of the oldest forms of springs, dating back to the Middle Ages. The front leaf spring lug is the hub connecting the frame and the leaf spring, which can play a good buffering role.
[0003] When the vehicle is driving, the leaf spring can buffer and reduce the force of the bumpy vehicle under uneven road conditions. However, during the bumpy driving of the vehicle, the leaf spring is prone to breakage due to sudden force, which reduces the overall safety of the vehicle and poses certain safety hazards. Therefore, how to better prevent the leaf spring from breaking due to sudden force is an important issue that needs to be solved in the design of the front leaf spring hanger. Utility Model Content
[0004] In order to solve the problem of better avoiding the breakage of a leaf spring due to sudden force, the utility model provides a foldable front leaf spring lifting ear.
[0005] The utility model solves the above technical problems through the following technical solutions:
[0006] The utility model provides a foldable front leaf spring lifting ear, comprising a front leaf spring upper arm lifting ear and a front leaf spring lower arm lifting ear, one end of the front leaf spring upper arm lifting ear and the front leaf spring lower arm lifting ear are rotatably connected to a rotating shaft, and further comprising:
[0007] A moving structure, wherein the moving structure is arranged at both ends of the rotating shaft;
[0008] A shock absorbing structure is provided on the front leaf spring upper arm lifting ear and the front leaf spring lower arm lifting ear, and the shock absorbing structure cooperates with the front leaf spring upper arm lifting ear and the front leaf spring lower arm lifting ear to perform shock absorption.
[0009] Preferably, the front leaf spring upper arm lifting ears are rotationally connected to the connecting shaft 1, and the front leaf spring lower arm lifting ears are rotationally connected to the connecting shaft 2.
[0010] In this technical solution, the first connecting shaft on the upper arm lifting ear of the front leaf spring is connected and installed on the automobile beam, and the second connecting shaft on the lower arm lifting ear of the front leaf spring is connected to the leaf spring.
[0011] Preferably, the lengths of the front leaf spring upper arm lifting ear and the front leaf spring lower arm lifting ear are consistent.
[0012] Preferably, the shock absorbing structure includes a fixed block 1, a shock absorber, a connecting block and a fixed block 2, the shock absorber is fixedly connected to the side walls of the top and bottom of the connecting block, the other ends of the two shock absorbers are respectively fixedly connected to the fixed block 1 and the fixed block 2, the fixed block 1 is fixedly connected to the two ends of the connecting shaft 1, and the fixed block 2 is fixedly connected to the two ends of the connecting shaft 2.
[0013] In the technical solution, the unconnected ends of the front leaf spring upper arm lifting ear and the front leaf spring lower arm lifting ear move toward each other, driving fixed block 1 and fixed block 2 to move toward each other. Fixed block 1 and fixed block 2 compress the shock absorber, and the shock absorber performs buffering, thereby preventing the leaf spring from being broken due to sudden force.
[0014] Preferably, the thickness of the fixing block 2 is consistent with the sum of the thickness of the fixing block 1 and the thickness of the upper arm ear of the front leaf spring.
[0015] Preferably, the thickness of the connecting block is consistent with the thickness of the fixing block 1.
[0016] Preferably, a connecting support frame is fixed on the side wall of the connecting block, and the thickness of the vertical rod of the support frame is half the thickness of the connecting block.
[0017] Preferably, two limiting grooves are provided on the inner side wall of the vertical rod of the support frame.
[0018] Preferably, the movable structure includes a movable frame, a spring and a limit block, the movable frame is fixedly connected to the two ends of the rotating shaft, the limit block is fixedly connected to the outer side wall of the vertical rod of the movable frame, the limit block is slidably connected in the limit groove, the spring is fixedly connected to the outer side wall of the cross bar of the movable frame at equal distances, and the other end of the spring is fixedly connected to the inner side wall of the support frame.
[0019] In the present technical solution, one end of the front leaf spring upper arm ear connected to the front leaf spring lower arm ear rotates and moves outward, driving the rotating shaft to move outward, and the rotating shaft drives the moving frame to move. The limit block slides in the limit groove as the moving frame moves to prevent the moving frame from separating from the supporting frame. The spring is compressed and starts working. The spring bears all external forces and plays a certain buffering role, thus preventing the leaf spring from being broken due to sudden force to a certain extent.
[0020] Preferably, the thickness of the vertical rod of the movable frame is half the thickness of the connecting block.
[0021] On the basis of conforming to the common sense in the art, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present utility model.
[0022] The positive and progressive effects of the utility model are:
[0023] 1. The end connected by the front leaf spring upper arm ear and the front leaf spring lower arm ear rotates and moves outward, driving the rotating shaft to move outward, and the rotating shaft drives the moving frame to move. The spring is compressed and starts to work. The spring bears a part of the external force and plays a certain buffering role, which to a certain extent prevents the leaf spring from being suddenly stressed and causing breakage. The end of the front leaf spring upper arm ear and the front leaf spring lower arm ear that are not connected moves closer to each other, driving the fixed block 1 and the fixed block 2 to move closer to each other, compressing the shock absorber, and the shock absorber further buffers, thereby further preventing the leaf spring from being suddenly stressed and causing breakage, which is convenient for better preventing the leaf spring from being stressed and causing breakage, and reducing the overall safety hazards of the vehicle.
[0024] 2. The shock absorber and spring are used as buffers between the car and the leaf spring. During large-scale bumps, they can cooperate with the leaf spring to play a double buffering and shock-absorbing role, thereby improving the overall comfort of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.
[0026] Figure 2 It is a schematic diagram of the overall internal structure of the utility model.
[0027] Figure 3 It is a schematic diagram of the internal structure of the utility model as a whole viewed from above.
[0028] Description of Reference Numerals
[0029] 1. Front leaf spring upper arm lifting ear; 2. Front leaf spring lower arm lifting ear; 3. Connecting shaft 1; 4. Rotating shaft; 5. Moving structure; 501. Moving frame; 502. Spring; 503. Limiting block; 6. Support frame; 7. Buffer structure; 701. Fixed block 1; 702. Shock absorber; 703. Connecting block; 704. Fixed block 2; 8. Connecting shaft 2; 9. Limiting groove. DETAILED DESCRIPTION
[0030] The present invention is further described below by way of embodiments, but the present invention is not limited to the scope of the embodiments.
[0031] like Figure 1-3 As shown, a foldable front leaf spring lifting eye comprises a front leaf spring upper arm lifting eye 1 and a front leaf spring lower arm lifting eye 2, one end of the front leaf spring upper arm lifting eye 1 and the front leaf spring lower arm lifting eye 2 are rotatably connected to a rotating shaft 4, and further comprises:
[0032] A moving structure 5, wherein the moving structure 5 is arranged at both ends of the rotating shaft 4;
[0033] A shock absorbing structure is provided on the front leaf spring upper arm lifting ear 1 and the front leaf spring lower arm lifting ear 2, and the shock absorbing structure cooperates with the front leaf spring upper arm lifting ear 1 and the front leaf spring lower arm lifting ear 2 to perform shock absorption.
[0034] The front leaf spring upper arm lifting ears 1 are rotatably connected to a connecting shaft 1 3 , and the front leaf spring lower arm lifting ears 2 are rotatably connected to a connecting shaft 2 8 .
[0035] The connecting shaft 1 3 on the upper arm lifting ear 1 of the front leaf spring is connected and installed on the automobile beam, and the connecting shaft 2 8 on the lower arm lifting ear 2 of the front leaf spring is connected to the leaf spring 502 .
[0036] The lengths of the front leaf spring upper arm lifting ear 1 and the front leaf spring lower arm lifting ear 2 are consistent.
[0037] The shock absorbing structure includes a fixed block 701, a shock absorber 702, a connecting block 703 and a fixed block 704. The top and bottom side walls of the connecting block 703 are fixedly connected to the shock absorber 702. The other ends of the two shock absorbers 702 are fixedly connected to the fixed block 701 and the fixed block 704 respectively. The fixed block 701 is fixedly connected to the two ends of the connecting shaft 3, and the fixed block 704 is fixedly connected to the two ends of the connecting shaft 8.
[0038] The unconnected ends of the front leaf spring upper arm lifting ear 1 and the front leaf spring lower arm lifting ear 2 move toward each other, driving the fixed block 1 701 and the fixed block 2 704 to move toward each other. The fixed block 1 701 and the fixed block 2 704 compress the shock absorber 702, and the shock absorber 702 performs buffering, thereby preventing the leaf spring 502 from being broken due to sudden force.
[0039] The thickness of the second fixing block 704 is consistent with the sum of the thickness of the first fixing block 701 and the thickness of the upper arm ear 1 of the front leaf spring.
[0040] The thickness of the connecting block 703 is consistent with the thickness of the fixing block 1 701 .
[0041] The side wall of the connection block 703 is fixedly connected to a support frame 6 , and the thickness of the vertical rod of the support frame 6 is half of the thickness of the connection block 703 .
[0042] Two limiting grooves 9 are provided on the inner side wall of the vertical rod of the support frame 6 .
[0043] The movable structure 5 includes a movable frame 501, a spring 502 and a limit block 503. The movable frame 501 is fixedly connected to the two ends of the rotating shaft 4. The limit block 503 is fixedly connected to the outer wall of the vertical rod of the movable frame 501. The limit block 503 is slidably connected in the limit groove 9. The spring 502 is fixedly connected to the outer wall of the horizontal rod of the movable frame 501 at an equal distance. The other end of the spring 502 is fixedly connected to the inner wall of the support frame 6.
[0044] The end of the front leaf spring upper arm ear 1 connected to the front leaf spring lower arm ear 2 rotates and moves outward, driving the rotating shaft 4 to move outward, and the rotating shaft 4 drives the movable frame 501 to move. The limit block 503 slides in the limit groove 9 as the movable frame 501 moves, preventing the movable frame 501 from separating from the support frame 6. The spring 502 is compressed and starts working. The spring 502 bears all external forces and plays a certain buffering role, which to a certain extent prevents the leaf spring 502 from being suddenly stressed and causing breakage.
[0045] The thickness of the vertical rod of the movable frame 501 is half of the thickness of the connecting block 703 .
[0046] When the utility model is in use, the connecting shaft 1 3 on the front leaf spring upper arm lifting ear 1 is connected and installed on the automobile beam, the connecting shaft 2 8 on the front leaf spring lower arm lifting ear 2 is connected to the leaf spring 502, and the front leaf spring upper arm lifting ear 1 and the front leaf spring lower arm lifting ear 2 are rotatably connected to each other, so that the front leaf spring lifting ear formed by the front leaf spring upper arm lifting ear 1 and the front leaf spring lower arm lifting ear 2 can be flexibly opened and closed within a certain range;
[0047] When the vehicle is bumping during driving, the end connected to the front leaf spring upper arm ear 1 and the front leaf spring lower arm ear 2 rotates and moves outward, driving the rotating shaft 4 to move outward, and the rotating shaft 4 drives the moving frame 501 to move, and the limit block 503 slides in the limit groove 9 with the movement of the moving frame 501 to prevent the moving frame 501 from separating from the supporting frame 6, and the spring 502 is compressed and starts to work. The spring 502 bears all the external force and plays a certain buffering role, which to a certain extent prevents the leaf spring 502 from being suddenly stressed and causing it to break. The end of the front leaf spring upper arm ear 1 and the front leaf spring lower arm ear 2 that is not connected moves closer to each other, driving the fixed block 1 701 and the fixed block 2 704 to move closer to each other, and the fixed block 1 701 and the fixed block 2 704 compress the shock absorber 702, and the shock absorber 702 further buffers, thereby further preventing the leaf spring 502 from being suddenly stressed and causing it to break.
[0048] At the same time, the shock absorber 702 can suppress the continuous bouncing of the spring 502. The shock absorber 702 and the spring 502 are used as a buffer between the car and the leaf spring 502. During large-scale bumps, such as off-road driving of an off-road vehicle, the leaf spring 502 can be used to play a double buffering and shock-absorbing role, thereby improving the overall comfort of the vehicle.
[0049] The utility model is not limited to the above-mentioned embodiments. Any changes in shape or structure are within the protection scope of the utility model. The protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the utility model, but these changes and modifications are within the protection scope of the utility model.
Claims
1. A foldable front leaf spring lifting eye, comprising a front leaf spring upper arm lifting eye (1) and a front leaf spring lower arm lifting eye (2), wherein one end of the front leaf spring upper arm lifting eye (1) and the front leaf spring lower arm lifting eye (2) are both rotatably connected to a rotating shaft (4), characterized in that: Also includes: A moving structure (5), wherein the moving structure (5) is arranged at both ends of the rotating shaft (4); A shock absorbing structure is provided on a front leaf spring upper arm lifting ear (1) and a front leaf spring lower arm lifting ear (2), and the shock absorbing structure cooperates with the front leaf spring upper arm lifting ear (1) and the front leaf spring lower arm lifting ear (2) to perform shock absorption.
2. The foldable front leaf spring lifting eye according to claim 1, characterized in that: The front leaf spring upper arm lifting ears (1) are rotatably connected to a connecting shaft 1 (3), and the front leaf spring lower arm lifting ears (2) are rotatably connected to a connecting shaft 2 (8).
3. The foldable front leaf spring lifting eye according to claim 1, characterized in that: The lengths of the front leaf spring upper arm lifting ear (1) and the front leaf spring lower arm lifting ear (2) are consistent.
4. The foldable front leaf spring lifting eye according to claim 1, characterized in that: The shock absorbing structure comprises a fixed block 1 (701), a shock absorber (702), a connecting block (703) and a fixed block 2 (704); the top and bottom side walls of the connecting block (703) are fixedly connected to the shock absorber (702); the other ends of the two shock absorbers (702) are respectively fixedly connected to the fixed block 1 (701) and the fixed block 2 (704); the fixed block 1 (701) is fixedly connected to the two ends of the connecting shaft 1 (3); and the fixed block 2 (704) is fixedly connected to the two ends of the connecting shaft 2 (8).
5. The foldable front leaf spring lifting eye according to claim 4, characterized in that: The thickness of the second fixing block (704) is consistent with the sum of the thickness of the first fixing block (701) and the thickness of the upper arm hanging ear (1) of the front leaf spring.
6. The foldable front leaf spring lifting eye according to claim 4, characterized in that: The thickness of the connecting block (703) is consistent with the thickness of the fixing block 1 (701).
7. The foldable front leaf spring lifting eye according to claim 4, characterized in that: A support frame (6) is fixedly connected to the side wall of the connection block (703), and the thickness of the vertical rod of the support frame (6) is half the thickness of the connection block (703).
8. The foldable front leaf spring lifting eye according to claim 7, characterized in that: Two limiting grooves (9) are provided on the inner side wall of the vertical rod of the support frame (6).
9. The foldable front leaf spring lifting eye according to claim 1, characterized in that: The movable structure (5) comprises a movable frame (501), a spring (502) and a limit block (503); the movable frame (501) is fixedly connected to the two ends of the rotating shaft (4); the limit block (503) is fixedly connected to the outer wall of the vertical rod of the movable frame (501); the limit block (503) is slidably connected in the limit groove (9); the spring (502) is fixedly connected to the outer wall of the horizontal rod of the movable frame (501) at an equal distance; the other end of the spring (502) is fixedly connected to the inner wall of the supporting frame (6).
10. The foldable front leaf spring lifting eye according to claim 9, characterized in that: The thickness of the vertical rod of the movable frame (501) is half the thickness of the connecting block (703).