Electric vehicle frame shock-absorbing and buffering device convenient to replace

Abstract

The utility model discloses an electric vehicle frame shock-absorbing buffer device convenient to replace, which comprises a shock absorber main body and further comprises a connecting assembly, the connecting assembly comprises a lower groove block hinged to one end of the shock absorber main body, the other end of the shock absorber main body is hinged to an upper groove block, and the lower groove block and the upper groove block are used for being connected with an electric vehicle frame; the locking assembly comprises a movable sleeve and an extension sleeve which are arranged on the sides of the lower groove block and the upper groove block, an insertion rod is connected to an inner cavity of the movable sleeve and an inner cavity of the extension sleeve in a penetrating and inserting mode, and a clamping part is connected to the side of the movable sleeve in a penetrating and inserting mode; according to the shock absorber, a maintainer unlocks the clamping part, so that the inserting rod penetrating through the hinged position of the shock absorber body is pulled away, the shock absorber body is rapidly separated from the lower groove block and the upper groove block, and compared with the mode that the hinged position of the shock absorber body and a vehicle frame is fixed through a rivet, the shock absorber body is not prone to falling off. By means of the mode, the shock absorber body can be rapidly disengaged and replaced by maintenance personnel conveniently, and time consumption caused by rivet cutting is avoided.

Description

Technical Field

[0001] The utility model relates to the field of shock-absorbing equipment for electric vehicles, in particular to a shock-absorbing and buffering device for an electric vehicle frame which is easy to replace. Background Art

[0002] During the manufacturing and maintenance of electric vehicles, the frame shock absorber is an important component used to reduce vibration during driving and improve driving comfort. However, the frame shock absorber of electric vehicles is easily damaged during long-term use and needs to be replaced in a timely manner.

[0003] However, the hinges between the existing shock absorber body and the lower slot block and the upper slot block are usually fixed with rivets, and the frame is then fixed to the upper and lower slot blocks by welding. When the shock absorber needs to be replaced, the maintenance personnel need to cut the rivets. During the cutting process, the rivets need to be aligned with the cutting to avoid friction damage to the frame. Therefore, the cutting process of multiple rivets consumes the time of replacing the entire shock absorber. In order to achieve rapid replacement of the shock absorber and avoid the problem of rivet cutting, the utility model proposes an electric vehicle frame shock absorber buffer device that is easy to replace. Utility Model Content

[0004] The purpose of the present utility model is to provide a shock-absorbing and buffering device for an electric vehicle frame that is easy to replace, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a shock-absorbing and buffering device for an electric vehicle frame that is easy to replace, comprising a shock absorber body, and further comprising:

[0006] A connecting assembly is used to connect the shock absorber body to the frame, the connecting assembly includes a lower slot block hinged to one end of the shock absorber body, and an upper slot block is hinged to the other end of the shock absorber body, and the lower slot block and the upper slot block are used to connect to the electric vehicle frame;

[0007] A locking assembly is used to fix the hinged joint between the lower slot block, the upper slot block and the shock absorber body. The locking assembly includes a movable sleeve and an extension sleeve arranged on the sides of the lower slot block and the upper slot block. The inner cavities of the movable sleeve and the extension sleeve are interpenetratingly connected with an insertion rod for inserting and limiting the shock absorber body. The side of the movable sleeve is interpenetratingly connected with a clamping part for limiting the position of the insertion rod.

[0008] Preferably, the clamping portion includes a locking rod, the end of which is sequentially inserted and connected with the side of the movable sleeve and the side of the insertion rod, and a rebound member for resetting the locking rod is provided at the insertion point of the locking rod and the movable sleeve.

[0009] Preferably, a locking ring groove is provided on the side of the insertion rod, and the locking ring groove is used for inserting the locking rod.

[0010] Preferably, the resilient member includes a limiting ring, a fixing ring and a compression spring sleeved on the outside of the locking rod, the limiting ring is arranged at one end of the compression spring away from the insertion rod, and the fixing ring is arranged at the other end of the compression spring.

[0011] Preferably, a warped edge protrusion is provided at one end of the locking rod away from the movable sleeve, and the warped edge protrusion is used for unlocking the locking rod by shifting.

[0012] Preferably, a positioning groove is provided on the outer side of the movable sleeve, and the positioning groove is used to accommodate the insertion rod.

[0013] Preferably, the outer threaded sleeve of the shock absorber body is provided with an adjustment sleeve, and the adjustment sleeve is used to adjust the tightness of the shock absorber spring.

[0014] The technical effects and advantages of this utility model are:

[0015] The utility model provides a locking assembly at the hinge of the shock absorber body and the lower slot block and the upper slot block. The maintenance personnel unlocks the clamping part, thereby pulling out the inserted rod inserted into the hinge of the shock absorber body, thereby realizing rapid separation of the shock absorber body from the lower slot block and the upper slot block. Compared with the rivet fixation at the hinge of the shock absorber body and the frame, this installation form is convenient for maintenance personnel to quickly separate and replace the shock absorber body, and avoids the time-consuming rivet cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model as a whole and the frame.

[0017] Figure 2 This is one of the schematic structural diagrams of the entire utility model.

[0018] Figure 3 This is the second schematic diagram of the overall structure of the utility model.

[0019] Figure 4 It is a cross-sectional view of the locking assembly of the present invention.

[0020] In the figure: 1. shock absorber body; 101. adjustment sleeve; 2. lower slot block; 3. upper slot block; 4. locking assembly; 401. movable sleeve; 4011. positioning slot; 402. extension sleeve; 403. insertion rod; 4031. locking ring groove; 404. locking rod; 405. limiting ring; 406. fixing ring; 407. compression spring; 408. warped edge protrusion. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] The utility model provides Figure 1-4 The illustrated embodiment shows an easily replaceable shock-absorbing and buffering device for an electric vehicle frame, comprising a shock absorber body 1, a connecting assembly and a locking assembly 4;

[0023] It should be noted that the reference model of the shock absorber body 1 is the working principle of the RS4pro shock absorber damper. The outer threaded sleeve of the shock absorber body 1 is provided with an adjustment sleeve 101, and the adjustment sleeve 101 is used to adjust the tightness of the shock absorber spring.

[0024] Specifically, the connecting assembly includes a lower slot block 2 hinged to one end of the shock absorber body 1, and an upper slot block 3 hinged to the other end of the shock absorber body 1. The lower slot block 2 and the upper slot block 3 are used to connect the electric vehicle frame;

[0025] It should be noted that the lower tank block 2 and the upper tank block 3 are both welded and fixed to the frame, and the connecting assembly is used to connect the shock absorber body 1 to the frame;

[0026] Specifically, the locking assembly 4 is used to fix the hinged joint between the lower slot block 2, the upper slot block 3 and the shock absorber body 1. The locking assembly 4 includes a movable sleeve 401 and an extension sleeve 402 provided on the sides of the lower slot block 2 and the upper slot block 3. The inner cavities of the movable sleeve 401 and the extension sleeve 402 are interpenetrated with an insertion rod 403 for inserting and limiting the shock absorber body 1. The side of the movable sleeve 401 is interpenetrated with a clamping portion for limiting the position of the insertion rod 403.

[0027] It should be noted that the movable sleeve 401 and the lower slot block 2 are welded and fixed to the upper slot block 3, the extended sleeve 402 and the lower slot block 2 are welded and fixed to the upper slot block 3, the insertion rod 403 is L-shaped, and a positioning groove 4011 is provided on the outer side of the movable sleeve 401. The positioning groove 4011 is used to receive the insertion rod 403. The insertion rod 403 is inserted into the end of the shock absorber body 1, so that the shock absorber body 1 can rotate in the inner cavity of the lower slot block 2 and the upper slot block 3;

[0028] Specifically, the clamping portion includes a locking rod 404, the ends of which are sequentially inserted and connected with the side of the movable sleeve 401 and the side of the insertion rod 403, and a resilient member for resetting the locking rod 404 is provided at the insertion point between the locking rod 404 and the movable sleeve 401;

[0029] It should be noted that a locking ring groove 4031 is provided on the side of the insertion rod 403, and the locking ring groove 4031 is used for inserting the locking rod 404. The end of the locking rod 404 away from the movable sleeve 401 is provided with a warping protrusion 408, and the warping protrusion 408 is used to unlock the locking rod 404 from the locking ring groove 4031 by sliding it.

[0030] Specifically, the resilient member includes a limiting ring 405, a fixing ring 406 and a compression spring 407 which are sleeved on the outside of the locking rod 404. The limiting ring 405 is arranged at one end of the compression spring 407 away from the insertion rod 403, and the fixing ring 406 is arranged at the other end of the compression spring 407.

[0031] It should be noted that a cylindrical hole is formed on the side of the movable sleeve 401 for the insertion of the locking rod 404. The limiting ring 405, the fixing ring 406, and the compression spring 407 are all disposed within the cylindrical hole. The fixing ring 406 and the locking rod 404 are fixed by welding, and the limiting ring 405 is glued to the inner wall of the cylindrical hole. The locking rod 404 can be inserted and moved in the middle of the limiting ring 405.

[0032] During actual use, by providing a locking assembly 4 at the hinge between the shock absorber body 1 and the lower slot block 2 and the upper slot block 3, the maintenance personnel can move the warped edge protrusion 408 to make the locking rod 404 disengage from the locking ring groove 4031, so that the insertion rod 403 inserted into the hinge of the shock absorber body 1 can be pulled out, thereby realizing the rapid separation of the shock absorber body 1 from the lower slot block 2 and the upper slot block 3. Compared with the rivet fixation at the hinge between the shock absorber body 1 and the frame, this installation form is convenient for maintenance personnel to quickly separate and replace the shock absorber body 1, avoiding the time-consuming rivet cutting.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A shock-absorbing and buffering device for an electric vehicle frame that is easy to replace, comprising a shock absorber body (1), characterized in that: Also includes: A connecting assembly, the connecting assembly being used to connect a shock absorber body (1) to a vehicle frame, the connecting assembly comprising a lower slot block (2) hinged to one end of the shock absorber body (1), an upper slot block (3) hinged to the other end of the shock absorber body (1), the lower slot block (2) and the upper slot block (3) being used to connect to the electric vehicle frame; A locking assembly (4) is used to fix the hinged joint between the lower slot block (2), the upper slot block (3) and the shock absorber body (1). The locking assembly (4) comprises a movable sleeve (401) and an extension sleeve (402) arranged on the sides of the lower slot block (2) and the upper slot block (3). The inner cavities of the movable sleeve (401) and the extension sleeve (402) are interpenetratingly connected with an insertion rod (403) for inserting and limiting the shock absorber body (1). The side of the movable sleeve (401) is interpenetratingly connected with a clamping portion for limiting the position of the insertion rod (403).

2. The easily replaceable shock-absorbing and buffering device for an electric vehicle frame according to claim 1, characterized in that: The clamping portion includes a locking rod (404), the end of which is sequentially inserted and connected with the side of the movable sleeve (401) and the side of the insertion rod (403), and a rebound member for resetting the locking rod (404) is provided at the insertion point of the locking rod (404) and the movable sleeve (401).

3. The easily replaceable shock-absorbing and buffering device for an electric vehicle frame according to claim 2, characterized in that: A locking ring groove (4031) is provided on the side of the insertion rod (403), and the locking ring groove (4031) is used for inserting the locking rod (404).

4. The easily replaceable shock-absorbing and buffering device for an electric vehicle frame according to claim 2, characterized in that: The resilient member comprises a limiting ring (405), a fixing ring (406) and a compression spring (407) which are sleeved on the outside of the locking rod (404). The limiting ring (405) is arranged at one end of the compression spring (407) away from the insertion rod (403), and the fixing ring (406) is arranged at the other end of the compression spring (407).

5. The easily replaceable shock-absorbing and buffering device for an electric vehicle frame according to claim 4, characterized in that: An end of the locking rod (404) away from the movable sleeve (401) is provided with a warped edge protrusion (408), and the warped edge protrusion (408) is used for unlocking the locking rod (404) by shifting.

6. The easily replaceable shock-absorbing and buffering device for an electric vehicle frame according to claim 5, characterized in that: A positioning groove (4011) is provided on the outer side of the movable sleeve (401), and the positioning groove (4011) is used for receiving the insertion rod (403).

7. The easily replaceable shock-absorbing and buffering device for an electric vehicle frame according to claim 1, characterized in that: An adjustment sleeve (101) is provided on the outer threaded sleeve of the shock absorber body (1), and the adjustment sleeve (101) is used to adjust the tightness of the shock absorber spring.

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