CN220904676U

CN220904676U - T-shaped quick-change locking structure for electric vehicle

Info

Publication number: CN220904676U
Application number: CN202322674947.8U
Authority: CN
Inventors: 张文博; 朱津津; 李蔡君; 高家驹
Original assignee: Ningbo Glauber Intelligent Industry Co ltd
Current assignee: Ningbo Glauber Intelligent Industry Co ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2024-05-07
Anticipated expiration: 2033-10-07

Abstract

The utility model relates to a T-shaped quick-change locking structure for an electric vehicle, which is characterized in that: the T-shaped bolt assembly is positioned on the component A and the mounting seat is positioned on the component B, and a rotary locking part is arranged at the top of the T-shaped bolt assembly; the mounting seat is provided with a cavity, the bottom of the cavity is provided with an opening, and the rotary locking part can enter the cavity through the opening; the bottom of the T-shaped bolt component is acted on to enable the horizontal locking part of the top to rotate; when the rotation locking part rotates to the limit position and cannot leave the mounting seat from the opening, the component A and the component B are locked; when the rotation locking part is completely positioned in the opening or above the opening, the unlocking of the part A and the part B is realized. According to the utility model, the T-shaped bolt is matched with the fixed ferrule, the ladder-shaped thread is processed in the fixed ferrule, and the T-shaped bolt can be matched with the fixed ferrule to have certain self-locking property when rotating to realize locking.

Description

T-shaped quick-change locking structure for electric vehicle

Technical Field

The utility model relates to a connecting part, in particular to a T-shaped quick-change locking structure for an electric vehicle.

Background

At present, the battery of the power exchange station on the market is generally detached in a locking mode, or in a common bolt mode, the locking mode is easy to loose, stability needs to be improved, the mechanical positioning accuracy of the bolt mode to the power exchange station is high, the bolt needs to be matched with a locking gear ring and other structures for use, the service life is short, and mechanical faults are easy to occur.

Therefore, the power battery in the prior art is inconvenient to detach, positioning accuracy is difficult to achieve, and the fastener may be loosened in the running process of the vehicle.

In addition, in other special assembly environments, the inability to automatically lock or unlock the connector can result in complex assembly and unreliable connection.

Disclosure of utility model

The utility model designs a T-shaped quick-change locking structure for an electric vehicle, which solves the technical problems that in the prior art, a power battery is inconvenient to detach, positioning accuracy is difficult to achieve, and a fastener is likely to loosen in the running process of the vehicle; or other assembly environments where locking or unlocking of the connector is not acceptable.

In order to solve the technical problems, the utility model adopts the following scheme:

A T-shaped quick-change locking structure for an electric vehicle is characterized in that: the T-shaped bolt assembly is positioned on the component A and the mounting seat is positioned on the component B, and a rotary locking part is arranged at the top of the T-shaped bolt assembly; the mounting seat is provided with a cavity, the bottom of the cavity is provided with an opening, and the rotary locking part can enter the cavity through the opening; the bottom of the T-shaped bolt component is acted on to enable the rotation locking part of the top to rotate; when the rotation locking part rotates to the limit position and cannot leave the mounting seat from the opening, the component A and the component B are locked; when the rotation locking part is completely positioned in the opening or above the opening, the unlocking of the part A and the part B is realized.

Preferably, the T-shaped bolt assembly further comprises an unlocking mechanism and a driving motor, wherein the unlocking mechanism comprises a rotating sleeve, the rotating sleeve can be connected with or separated from the bottom of the T-shaped bolt assembly, and the driving motor acts on the rotating sleeve to rotate so that the top and the bottom of the T-shaped bolt assembly synchronously rotate.

Preferably, the T-shaped bolt assembly comprises a bolt body and a fixed sleeve, wherein a rotary locking part is arranged at the part of the bolt body extending out of the fixed sleeve, threads are cut on the part of the bolt body positioned in the fixed sleeve, and the threads are cut in corresponding through holes of the fixed sleeve to be matched with the threads of the bolt body; the lowest end of the bolt body is provided with a screw handle which can extend out of the fixed sleeve to be connected with the unlocking mechanism; when the bolt is unlocked, the bolt body and the fixed sleeve are kept in an un-screwed state with the surplus of more than N degrees, and after the bolt body rotates for N degrees, the rotary locking part is located in a locking state and simultaneously the bolt body and the fixed sleeve are locked.

Preferably, the surface of the screw handle is provided with insections, and the corresponding insections are also arranged on the inner wall of the rotary sleeve of the unlocking mechanism, and the two insections are matched to realize transmission.

Preferably, N is 90 degrees.

Preferably, the component A is a power battery pack bracket, the component B is a vehicle chassis bracket, and the power battery pack is fixed on the power battery pack bracket.

The T-shaped quick-change locking structure for the electric vehicle has the following beneficial effects:

(1) According to the utility model, the T-shaped bolt is matched with the fixed ferrule, the ladder-shaped thread is processed in the fixed ferrule, and the T-shaped bolt can be matched with the fixed ferrule to have certain self-locking property when rotating to realize locking.

(2) The quick-change bracket for the battery pack locks or unlocks with the vehicle chassis bracket through the T-shaped screw, has a good anti-loosening effect and is high in locking and unlocking efficiency.

(3) The T-shaped screw assembly and the unlocking mechanism are detachable, and the T-shaped screw assembly can be convenient to maintain and replace parts.

Drawings

Fig. 1: in the utility model, a T-shaped bolt assembly is connected with an unlocking mechanism;

Fig. 2: the embodiment of the utility model is 2 an explosion diagram of a T-shaped bolt assembly;

Fig. 3: an axial cross-sectional view of embodiment 2 of the present utility model;

fig. 4: the unlocking mechanism is structurally schematic.

Reference numerals illustrate:

1, a mounting seat; a 2-T bolt assembly; 21A-a rotation lock; 22A-bolt body; 23A-a fixed sleeve; 24A-threads; 25A-a screw shank; 3-an unlocking mechanism; 31-rotating the sleeve; 32-insection; 4-driving motor.

Detailed Description

The utility model is further described with reference to fig. 1 to 4:

the utility model relates to a T-shaped quick-change locking structure for an electric vehicle, which comprises a T-shaped bolt assembly 2 and a mounting seat 1, wherein the T-shaped bolt assembly 2 is positioned on a component A, the mounting seat 1 is positioned on a component B, and the top of the T-shaped bolt assembly 2 is provided with a rotary locking part 21A; the mounting seat 1 is provided with a cavity, the bottom of the cavity is provided with an opening, and the rotary locking part 21A can enter the cavity through the opening; the rotation locking part 21A at the top can be rotated by acting on the bottom of the T-shaped bolt assembly 2; when the rotation locking part 21A rotates to a limit position and cannot leave the mounting seat 1 from the opening, the component A and the component B are locked; when the rotation lock 21A is located completely in or above the opening, the unlocking of the component a and the component B is achieved.

The T-shaped bolt assembly further comprises an unlocking mechanism 3 and a driving motor 4, the unlocking mechanism 3 comprises a rotating sleeve 31, the rotating sleeve 31 can be connected with or separated from the bottom of the T-shaped bolt assembly 2, and the driving motor 4 acts on the rotating sleeve 31 to rotate so that the top and the bottom of the T-shaped bolt assembly 2 synchronously rotate.

The T-shaped bolt assembly 2 comprises a bolt body 22A and a fixed sleeve 23A, wherein a rotary locking part 21A is arranged at the part of the bolt body 22A extending out of the fixed sleeve 23A, threads 24A are cut at the part of the bolt body 22A located in the fixed sleeve 23A, and threads are cut in corresponding through holes of the fixed sleeve 23A to be matched with the threads 24A of the bolt body 22A; the lowest end of the bolt body 22A is provided with a screw handle 25A, and the screw handle 25A can extend out of the fixed sleeve 23A to be connected with the unlocking mechanism 3; when unlocked, the bolt body 22A and the fixing sleeve 23A remain in an untwisted state of more than N degrees, and after the bolt body 22A rotates N °, the rotation lock portion 21A is in a locked state while the bolt body 22A is locked with the fixing sleeve 23A. N may be 90 °.

The surface of the screw handle 25A is provided with insections, and the corresponding inner wall of the rotary sleeve 31 of the unlocking mechanism 3 is also provided with insections 32, and the two insections are matched to realize transmission.

The component A is a power battery pack bracket, the component B is a vehicle chassis bracket, and the power battery pack is fixed on the power battery pack bracket.

The utility model has been described above by way of example with reference to the accompanying drawings, it is clear that the implementation of the utility model is not limited to the above-described manner, but it is within the scope of the utility model to apply the inventive concept and technical solution to other situations as long as various improvements made by the inventive concept and technical solution are adopted or without any improvement.

Claims

1. A T-shaped quick-change locking structure for an electric vehicle is characterized in that: the T-shaped bolt assembly (2) is positioned on a component A, the mounting seat (1) is positioned on a component B, and a rotary locking part (21A) is arranged at the top of the T-shaped bolt assembly (2); the mounting seat (1) is provided with a cavity, the bottom of the cavity is provided with an opening, and the rotary locking part (21A) can enter the cavity through the opening; the bottom of the action T-shaped bolt assembly (2) can rotate a rotation locking part (21A) at the top; when the rotation locking part (21A) rotates to a limit position and cannot leave the mounting seat (1) from the opening, the component A and the component B are locked; when the rotary locking part (21A) is completely positioned in the opening or above the opening, the unlocking of the part A and the part B is realized;

The T-shaped bolt assembly (2) comprises a bolt body (22A) and a fixed sleeve (23A), a rotary locking part (21A) is arranged at the part of the bolt body (22A) extending out of the fixed sleeve (23A), threads (24A) are carved at the part of the bolt body (22A) located in the fixed sleeve (23A), and the threads are carved in corresponding through holes of the fixed sleeve (23A) to be matched with the threads (24A) of the bolt body (22A); the lowest end of the bolt body (22A) is provided with a screw handle (25A), and the screw handle (25A) can extend out of the fixed sleeve (23A) to be connected with the unlocking mechanism (3); when the bolt is unlocked, the bolt body (22A) and the fixed sleeve (23A) are kept in an un-screwed state with the remaining degree being larger than N degrees, and after the bolt body (22A) rotates for N degrees, the rotary locking part (21A) is located in a locking state and simultaneously the bolt body (22A) and the fixed sleeve (23A) are locked.

2. The T-shaped quick change locking structure for an electric vehicle according to claim 1, wherein: still include release mechanism (3) and driving motor (4), release mechanism (3) are including rotatory sleeve (31), and rotatory sleeve (31) can be connected or the separation with T type bolt assembly (2) bottom, and driving motor (4) effect rotatory sleeve (31) are rotatory so that the top and the bottom synchronous rotation of T type bolt assembly (2).

3. The T-shaped quick change locking structure for an electric vehicle according to claim 2, wherein: the surface of the screw handle (25A) is provided with insections, and the corresponding insections are also arranged on the inner wall of the rotary sleeve (31) of the unlocking mechanism (3), and the two insections are matched to realize transmission.

4. The T-shaped quick change locking structure for an electric vehicle according to claim 3, wherein: n is 90 degrees.

5. The T-shaped quick change locking structure for an electric vehicle according to claim 4, wherein: the component A is a power battery pack bracket, the component B is a vehicle chassis bracket, and the power battery pack is fixed on the power battery pack bracket.