Device for compressing battery of electric vehicle
By introducing an L-shaped cover and a buffer rubber tube clamping structure into the electric vehicle battery assembly, combined with a locking hook device, the problem of looseness between the battery compartment cover and the battery mounting box is solved, achieving a stable fixation of the battery and improving the driving stability of the electric vehicle.
Patent Information
- Application Number
- CN202423029729.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-09
AI Technical Summary
There is looseness between the battery compartment cover and the battery mounting box of the electric vehicle, causing the battery mounting box to shake and affecting driving stability.
Design a device for pressing electric vehicle batteries, including an L-shaped cover plate and a buffer rubber tube. The battery mounting box is initially pressed by the bend of the L-shaped cover plate and the cooperation of the buffer rubber tube, and the locking effect is further enhanced by the matching of the locking hook device and the locking lug.
It effectively reduces the shaking of the battery mounting box, improves the battery's stability, and ensures stability during driving.
Smart Images
Figure CN223467248U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electric vehicles, in particular to a compact electric vehicle battery device. BACKGROUND
[0002] At present, the street running type and cross-country type electric vehicles mostly place the battery on the front frame, and set a battery compartment with a side opening door and independent locking on the front frame for accommodating the battery, the battery compartment occupies a large volume, and the design of the side opening door is easy to interfere with the front frame, at present, the battery compartment cover covering the battery mounting box is usually used to lock and fix the battery mounting box, but there is a gap between the battery compartment cover and the battery mounting box, so that the fit is not tight enough, and the battery mounting box is not compact enough in the upper section, which causes the battery mounting box to shake during driving. SUMMARY
[0003] In view of the above shortcomings of the prior art, the utility model aims to provide a compact electric vehicle battery device to solve the problem of loose fit between the battery compartment cover and the battery mounting box of the current electric vehicle.
[0004] The above technical purpose of the utility model is realized by the following technical scheme: a compact electric vehicle battery device, the electric vehicle comprises a head vertical pipe, a left frame, a right frame, a battery mounting box, a battery compartment cover and a fixing support, further comprising a mounting bracket and a battery mounting box compacting device, the front end of the left frame and the front end of the right frame are connected to the both sides of the middle part of the head vertical pipe, the upper section of the left frame and the right frame are hingedly connected to the both sides of one end of the battery compartment cover close to the head vertical pipe, the mounting bracket is arranged on the battery compartment cover, the rear section of the battery compartment cover is provided with a mounting hole, the lower end of the both sides of the mounting hole is provided with a mounting lug, the compacting device 6 of the battery mounting box is fixedly connected to the mounting lug 10, the compacting device of the battery mounting box comprises an L-shaped cover plate and a buffer rubber tube, the proximal end of the bending part of the L-shaped cover plate is hingedly connected to the mounting lug, the distal end of the bending part of the L-shaped cover plate is hingedly connected to the buffer rubber tube, the middle section of the left frame and the right frame is fixedly connected to the both sides of the battery mounting box, and the lower section of the left frame and the right frame is fixedly connected to the both ends of the fixing support.
[0005] The effect of the above technical scheme is that the left frame, the right frame and the fixing support are connected, which preliminarily plays a compacting role in the state of the battery mounting box, the battery mounting box compacting device is added to the device, the L-shaped cover plate bending part is used to further stabilize the battery mounting box, in the pre-pressing state, the L-shaped cover plate is in the vertical state, after rotating 90 degrees backward, the L-shaped cover plate is in the horizontal state, the bottom edge of the L-shaped cover plate is used to press the buffer rubber tube on the battery mounting box again, which maximally reduces the shaking and better fixes the battery mounting box.
[0006] The utility model is further configured such that a locking hook device is fixedly connected to the front end of the fixing bracket, and a locking ear is provided at the rear end of the battery compartment cover, and the locking ear matches and locks with the locking hook device.
[0007] By adopting the above technical solution, the locking hook device can better cooperate with the locking ear to fix the battery installation box.
[0008] The present invention is further configured as follows: the lock hook device includes a rotating shaft, a blocking hook and a first torsion spring, the rotating shaft is arranged at the lower section inside the lock hook device, the blocking hook is rotatably connected to the middle of the rotating shaft, the first torsion spring is connected on both sides of the connection between the blocking hook and the rotating shaft, the end of the first torsion spring close to the blocking hook is hook-shaped and rests in front of the blocking hook, and a lock ear is fixedly connected to the lower part of the rear section of the battery compartment cover, and the lock ear is locked to the lock hook device.
[0009] By adopting the above technical solution, the lock ear and the lock hook device are connected to form a locking mechanism, thereby enhancing the stability of the battery installation box.
[0010] The present invention is further configured such that a second torsion spring is provided between the L-shaped cover plate and the mounting lug, and one end of the second torsion spring close to the mounting lug is hook-shaped and rests against the bottom of the battery compartment cover.
[0011] By adopting the above technical solution, the battery installation box pressing device will always be in a pressed state without the interference of external force.
[0012] The present invention is further configured such that the concave surface at the bottom of the battery compartment cover matches the convex surface at the upper end of the battery installation box.
[0013] By adopting the above technical solution, the tightness between the battery compartment cover and the battery installation box is enhanced, and the shaking of the battery installation box is reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the embodiment;
[0015] Figure 2 This is an embodiment Figure 1 A schematic diagram of a three-dimensional structure in a compressed state;
[0016] Figure 3 is a schematic diagram of the three-dimensional structure of the connection relationship between the mounting frame and some components of the embodiment;
[0017] Figure 4 This is an embodiment Figure 3 Left view of;
[0018] Figure 5 is a top view of the connection relationship between the mounting frame and some components of the embodiment;
[0019] Figure 6 is a perspective structural schematic view of the locking hook device of the embodiment;
[0020] Figure 7 is a side view of the blocking hook of the embodiment.
[0021] In the figure: vehicle head vertical pipe 1, left vehicle frame 2, right vehicle frame 3, battery cabin cover 4, mounting frame 5, pressing device 6, L-shaped cover plate 61, buffer rubber tube 62, battery mounting box 7, fixed support 8, mounting hole 9, mounting lug 10, locking hook device 11, rotating shaft 111, blocking hook 112, first torsional spring 113, locking lug 12, second torsional spring 13. DETAILED DESCRIPTION
[0022] The utility model will be made further detailed explanation in combination with the drawings.
[0023] A pressing electric vehicle battery device, such as Figures 1-7As shown, the electric vehicle comprises a head vertical pipe 1, a left frame 2, a right frame 3, a battery hatch 4, a mounting bracket 5, a pressing device 6, a battery mounting box 7 and a fixed support 8, the middle part of the head vertical pipe 1 is connected with the front end of the left frame 2 and the front end of the right frame 3 respectively, the two sides of the end of the battery hatch 4 close to the head vertical pipe 1 are hinged with the upper segments of the left frame 2 and the right frame 3 respectively, the mounting hole 9 is arranged at the rear segment of the battery hatch, the mounting lug 10 is arranged at the lower end of the two sides of the mounting hole 9 of the rear segment of the battery hatch, the mounting lug 10 is generally rectangular frame-shaped, the battery mounting box pressing device is fixedly connected on the mounting lug 10, specifically, the battery mounting box pressing device comprises an L-shaped cover plate 61 and a buffer rubber cylinder 62, the proximal end of the bending part of the L-shaped cover plate is hinged with the mounting lug 10, the distal end of the bending part of the L-shaped cover plate 61 is hinged with the buffer rubber cylinder, the two sides of the battery mounting box are fixedly connected with the middle segments of the left frame and the right frame respectively, the left and right ends of the fixed support 8 are fixedly connected with the rear segments of the left frame 2 and the right frame 3 respectively, the front end of the fixed support 8 is fixedly connected with the lock hook device 11, the lock lug 12 is arranged at the rear end of the battery hatch 4, the lock lug 12 is matched and locked with the lock hook device 11, the lock hook device 11 is close to the battery mounting box 9, the lock hook device 11 comprises a rotating shaft 111, a blocking hook 112 and a first torsional spring 113, the rotating shaft 111 is arranged at the lower segment inside the lock hook device 11, the blocking hook 112 is rotatably connected at the middle part of the rotating shaft 111, the first torsional spring 113 is connected at the two sides of the connection part of the blocking hook 112 and the rotating shaft 111, the end close to the blocking hook 112 of the first torsional spring 113 is hook-shaped and abuts against the front of the blocking hook 112, the lock lug 12 is fixedly connected below the rear segment of the battery hatch 4, the lock lug 12 is in locking connection with the lock hook device 11, when it is needed to unlock, the pre-tightening force of the first torsional spring 113 needs to be overcome by external force, so that the lock lug 12 can be withdrawn from the blocking hook 112; the second torsional spring 13 is arranged between the L-shaped cover plate 61 and the mounting lug 7, the end close to the mounting lug 7 of the second torsional spring 13 is hook-shaped and abuts against the bottom of the battery hatch 4, the recessed surface of the bottom of the battery hatch 4 is matched with the protruding surface of the upper end of the battery mounting box 9.
[0024] Working principle: firstly, the left frame 2, the right frame 3 and the fixed support 8 are connected to closely press the battery mounting box 9, which preliminarily plays a pressing effect on the battery mounting box 9, then the L-shaped cover plate 61 drives the buffer rubber cylinder 62 to move downward, when being pressed, a downward force is applied to the battery mounting box 9, so as to strengthen the pressing effect on the battery mounting box 9, then the lock lug 12 is inserted into the lock hook device 11, the blocking hook 112 is rotated around the rotating shaft 111 by external force, the blocking hook 112 locks the lock lug 12 in the lock hook device 11 through the reset of the first torsional spring 113, so as to further strengthen the pressing effect on the battery mounting box 9.
[0025] The effect of the above technical scheme is that the battery mounting box is connected between the left frame, the right frame and the fixed support, and the battery mounting box pressing device is added to the device in the state of pressing the battery mounting box, the L-shaped cover plate is further used to stabilize the battery mounting box, the L-shaped cover plate is in the vertical state in the pre-pressing state, the L-shaped cover plate is in the horizontal state after being rotated by 90 degrees backward, the bottom edge of the L-shaped cover plate is used to press the buffer rubber cylinder on the battery mounting box again, and the shaking is reduced to the maximum extent, and the battery mounting box is better fixed.
[0026] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and a person skilled in the art can make a modification without creative contribution to the embodiment according to the need after reading the specification, but as long as the modification is within the scope of the claims of the utility model, the modification is protected by the patent law.
Claims
1. A battery pressing device for an electric vehicle, comprising a front riser, a left frame, a right frame, a battery mounting box, a battery compartment cover, and a fixing bracket. The two sides of the middle portion of the front riser are respectively connected to the front end of the left frame and the front end of the right frame. The two sides of the battery compartment cover at one end near the front riser are respectively hinged to the front sections of the left frame and the right frame. The battery cabin cover is provided with a mounting hole in the rear section, and mounting lugs are arranged at the lower ends of both sides of the mounting hole; the battery mounting box compression device comprises an L-shaped cover plate and a buffer rubber cylinder, the proximal end of the bending portion of the L-shaped cover plate is hingedly connected with the mounting lug, the distal end of the bending portion of the L-shaped cover plate is hingedly connected with the buffer rubber cylinder, and the two sides of the battery mounting box are fixedly connected with the middle sections of the left and right frames, respectively; the left and right ends of the fixed support are fixedly connected with the rear sections of the left and right frames, respectively.
2. The compact electric vehicle battery apparatus of claim 1, wherein: A lock hook device is fixedly connected to the front end of the fixed support, and a lock lug is arranged at the rear end of the battery cabin cover, which is matched with the lock hook device for locking.
3. The compact electric vehicle battery apparatus of claim 2, wherein: The lock hook device comprises a rotating shaft, a blocking hook and a first torsional spring, the rotating shaft is arranged in the lower section of the lock hook device, the blocking hook is rotatably connected to the middle section of the rotating shaft, the first torsional spring is connected to the two sides of the connection between the blocking hook and the rotating shaft, the end of the first torsional spring close to the blocking hook is in the form of a hook and abuts against the front of the blocking hook, the lock lug is fixedly connected to the lower section of the rear end of the battery cabin cover, and the lock lug is in locking connection with the lock hook device.
4. The compact electric vehicle battery apparatus of claim 1, wherein: A second torsional spring is arranged between the L-shaped cover plate and the mounting lug, the end of the second torsional spring close to the mounting lug is in the form of a hook and abuts against the bottom of the battery cabin cover.
5. The compact electric vehicle battery apparatus of claim 1, wherein: The recessed surface of the bottom of the battery cabin cover is matched with the protruding surface of the upper end of the battery mounting box.