CN215663041U

CN215663041U - Battery pack battery replacement locking device

Info

Publication number: CN215663041U
Application number: CN202122059807.0U
Authority: CN
Inventors: 邢焕勇; 吴得宗
Original assignee: Shandong Hangway Energy Technology Co ltd
Current assignee: Shandong Hangway Energy Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-28
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a battery pack power-exchanging locking device which comprises an upper lock body, a locking assembly and a lower lock body, wherein the locking assembly comprises a locking shell, a driving rod, a locking piece and a limiting screw, the upper lock body is sleeved at the upper end of the locking shell, the lower lock body comprises a lock body shell, a compression spring and a self-locking sealing sheet, and the lower end of the locking shell is provided with a locking hole. By adopting the structure, when the locking piece extends out relative to the locking hole, the upper locking body is locked relative to the locking shell, and when the locking piece retracts relative to the locking hole, the upper locking body is separated relative to the locking shell; the limiting position that the actuating lever moved down is injectd through the spacing groove of actuating lever to stop screw, prevents it from breaking away from the locking shell, and stop screw mainly used moves down when the locking means unblock, moves down when the actuating lever, and along the contact on with the actuating lever spacing groove, makes the actuating lever can't continue to move down, and the locking piece just is injectd in the cavity that the locking shell formed, can not take place the condition of breaking away from.

Description

Battery pack battery replacement locking device

Technical Field

The utility model belongs to the field of electric automobiles, and particularly relates to a battery pack power-change locking device.

Background

At present, the power supply mode of the power battery of the electric automobile is generally divided into two modes of inserting charging with the automobile and replacing the battery, wherein the inserting charging mode has two modes of slow charging and fast charging. The insertion charging mode has the following defects: 1. the initial investment cost of the battery is high, and the popularization of the electric automobile is hindered to a certain extent; 2. the charging time is too long, at least 2-4 hours, and compared with the oiling of a common automobile, the time spent on supplying energy by the electric automobile is too long, so that the charging is not convenient and fast, and the requirements of people cannot be met. The fast charging mode may cause great damage to the battery, resulting in shortened service life of the battery. The problem of the plug-in charging mode can be effectively avoided by adopting the mode of replacing the battery, and various battery box and battery frame structures are correspondingly developed in recent years. The key point of realizing quick battery replacement of the power battery of the electric automobile is the design of a battery replacement locking mechanism, and the main function of the battery replacement lock body is to keep the automobile body and the battery pack in a firm connection state when the battery replacement is not carried out; when trading the electricity, make automobile body and quick connection and the separation of battery package, still provided a locking structure among the prior art, through the actuating lever jacking, the locking is realized on the locking shell surface is stretched out to drive locking bobble, and such locking structure is convenient operation more and locking back stable in structure.

However, this structure has the following technical problems: jacking and the unscrewing of screw rod are all through operator manual control, and in operation process, easy jacking is crossed the head and is caused the extrusion deformation of locking bobble, perhaps has the screw rod not hard up by oneself, consequently need provide one kind and effectively prevent that the actuating lever jacking or the pine from taking off excessive, stable in structure's auto-lock locking mechanical system and solve above-mentioned technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a battery pack replacement locking device, aiming at solving the problems that a locking small ball is extruded and deformed or a screw rod is loosened automatically due to easy over-head jacking in the operation process.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a battery pack locking device that trades electricity, includes lock body, locking subassembly and lower lock body, the locking subassembly includes locking shell, actuating lever, locking piece and stop screw, the upper end at the locking shell is cup jointed to the body of locking, the lock body includes lock body shell, pressure spring and auto-lock gasket down, the lower extreme of locking shell is provided with the locking hole, the actuating lever is located the inboard of locking shell, pressure spring sets up the outside surface at the actuating lever, the auto-lock gasket sets up the outside bottom at the actuating lever.

By adopting the technical scheme, the locking shell is provided with the locking hole, the driving rod is positioned in the cavity of the locking shell and drives the locking piece to extend out or retract relative to the locking hole; when the locking piece extends relative to the locking hole, the upper locking piece is locked relative to the locking shell, and when the locking piece retracts relative to the locking hole, the upper locking piece is separated relative to the locking shell; be equipped with stop screw on the locking shell, be equipped with the spacing groove on the actuating lever, stop screw prescribes a limit to the extreme position that the actuating lever moved down through the spacing groove of actuating lever, prevents that it from breaking away from the locking shell, and stop screw mainly used moves down when the locking device unblock, moves down when the actuating lever, and along the contact on the spacing groove of actuating lever, makes the actuating lever can't continue to move down, and the locking piece just prescribes a limit to in the cavity that the locking shell formed, can not take place to break away from the condition.

Further, as preferred technical scheme, the inboard of locking shell is provided with the screw thread section, actuating lever and screw thread section threaded connection.

Through adopting above-mentioned technical scheme, the body of locking has the lock body inner chamber, and locking shell external diameter is less than the internal diameter of last lock body, and the one end of locking shell is located to lock body inner chamber cover, and one section of lock body inner chamber is equipped with the locking boss, and when the locking piece stretched out the locking hole, the maximum distance of locking piece surface to the axis of locking shell was greater than the internal diameter of locking boss.

Further, as a preferred technical scheme, the limiting screw is arranged at the upper end of the front face of the locking shell, and the limiting screw penetrates through the locking shell to be connected with the driving rod.

Through adopting above-mentioned technical scheme, stop screw passes through the screw hole to be fixed on the locking shell, and mainly used moves down when the locking means unblock, and along the contact on with the actuating lever spacing groove, makes the actuating lever can't continue to move down, and the locking piece just inject in the cavity that the locking shell formed, can not take place to break away from the condition.

Further, as a preferred technical solution, the top end of the locking housing is provided with a conical surface, and the top of the locking housing protrudes out of the top of the upper lock body.

Through adopting above-mentioned technical scheme, through the locking shell that sets up the conical surface to the lock body is gone into to the locking shell smoothly, and locking shell top stretches out the lock body top during locking, plays dirt-proof effect.

In summary, the utility model mainly has the following beneficial effects:

the locking shell is provided with a locking hole, the driving rod is positioned in the cavity of the locking shell and drives the locking piece to extend or retract relative to the locking hole; when the locking piece extends relative to the locking hole, the upper locking piece is locked relative to the locking shell, and when the locking piece retracts relative to the locking hole, the upper locking piece is separated relative to the locking shell; be equipped with stop screw on the locking shell, be equipped with the spacing groove on the actuating lever, stop screw prescribes a limit to the extreme position that the actuating lever moved down through the spacing groove of actuating lever, prevents that it from breaking away from the locking shell, and stop screw mainly used moves down when the locking device unblock, moves down when the actuating lever, and along the contact on the spacing groove of actuating lever, makes the actuating lever can't continue to move down, and the locking piece just prescribes a limit to in the cavity that the locking shell formed, can not take place to break away from the condition.

Drawings

FIG. 1 is a cross-sectional view of the overall construction of the present invention;

FIG. 2 is an overall view of the present invention;

fig. 3 is a schematic view of the internal structure of the locking assembly of the present invention.

Reference numerals: 1. go up lock body, 2, locking subassembly, 21, locking shell, 22, actuating lever, 23, locking piece, 24, stop screw, 25, locking hole, 3, lower lock body, 31, lock body shell, 32, pressure spring, 33, auto-lock gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, the battery pack power-exchanging locking device according to the embodiment includes an upper lock body 1, a locking assembly 2, and a lower lock body 3, where the locking assembly 2 includes a locking housing 21, a driving rod 22, a locking piece 23, and a limit screw 24, the upper lock body 1 is sleeved on an upper end of the locking housing 21, the lower lock body 3 includes a lock body housing 31, a pressing spring 32, and a self-locking sealing piece 33, a locking hole 25 is formed at a lower end of the locking housing 21, the driving rod 22 is located inside the locking housing 21, the pressing spring 32 is located on an outer side surface of the driving rod 22, the self-locking sealing piece 33 is located at an outer bottom of the driving rod 22, the locking housing 21 has a locking hole 25, the driving rod 22 is located inside the locking housing 21, and the locking piece 23 is driven to extend out or retract relative to the locking hole 25; when the locking piece 23 is extended to the locking hole 25, the upper lock body 1 is locked with respect to the lock housing 21, and when the locking piece 23 is retracted to the locking hole 25, the upper lock body 1 is disengaged with respect to the lock housing 21; be equipped with stop screw 24 on the locking shell 21, be equipped with the spacing groove on the actuating lever 22, stop screw 24 restricts the extreme position that actuating lever 22 moved down through the spacing groove of actuating lever 22, prevents that it from breaking away from locking shell 21, stop screw 24 mainly used when the locking device unblock, moves down when actuating lever 22, with the contact of going up along the spacing groove of actuating lever 22, make actuating lever 22 can't continue to move down, locking piece 23 just inject in the cavity that locking shell 21 formed, can not take place to break away from the condition.

Example 2

Referring to fig. 3, on the basis of embodiment 1, in order to achieve the purpose of preventing the driving rod 22 from falling off, the present embodiment has an innovative design on the locking housing 21, specifically, the inner side of the locking housing 21 is provided with a threaded section, the driving rod 22 is in threaded connection with the threaded section, the upper lock body 1 has a lock body inner cavity, the outer diameter of the locking housing 21 is smaller than the inner diameter of the upper lock body 1, the lock body inner cavity is sleeved at one end of the locking housing 21, a locking boss is arranged at one section of the lock body inner cavity, when the locking member 23 extends out of the locking hole 25, the maximum distance from the outer surface of the locking member 23 to the axis of the locking housing 21 is greater than the inner diameter of the locking boss.

Referring to fig. 1, in order to achieve the purpose of preventing disengagement, a limit screw 24 of this embodiment is disposed at the upper end of the front face of the locking housing 21, the limit screw 24 penetrates through the locking housing 21 to be connected with the driving rod 22, and the limit screw 24 is fixed on the locking housing 21 through a threaded hole, and is mainly used for preventing disengagement when the locking device is unlocked, when the driving rod 22 moves downward and contacts with the upper edge of a limit groove of the driving rod 22, the driving rod 22 cannot move downward continuously, and the locking member 23 is limited in a cavity formed by the locking housing 21.

Referring to fig. 1-3, in order to achieve the purpose of dust prevention, the top end of the locking housing 21 of this embodiment is provided with a conical surface, the top of the locking housing 21 protrudes out of the top of the upper lock body 1, the locking housing 21 is provided with a conical surface so that the locking housing 21 can smoothly enter the upper lock body 1, and the top of the locking housing 21 protrudes out of the top of the upper lock body 1 during locking, so as to achieve the purpose of dust prevention.

The use principle and the advantages are as follows: the locking assembly 2 comprises a locking shell 21, a driving rod 22, a locking piece 23 and a limit screw 24, the upper locking body 1 is sleeved at the upper end of the locking shell 21, the lower locking body 3 comprises a lock body shell 31, a compression spring 32 and a self-locking sealing sheet 33, the lower end of the locking shell 21 is provided with a locking hole 25, the driving rod 22 is positioned at the inner side of the locking shell 21, the compression spring 32 is arranged on the outer side surface of the driving rod 22, the self-locking sealing sheet 33 is arranged at the outer bottom of the driving rod 22, the locking shell 21 is provided with the locking hole 25, the driving rod 22 is positioned in the cavity of the locking shell 21, and the driving locking piece 23 extends out or retracts relative to the locking hole 25; when the locking piece 23 is extended to the locking hole 25, the upper lock body 1 is locked with respect to the lock housing 21, and when the locking piece 23 is retracted to the locking hole 25, the upper lock body 1 is disengaged with respect to the lock housing 21; be equipped with stop screw 24 on the locking shell 21, be equipped with the spacing groove on the drive rod 22, stop screw 24 prescribes a limit to the extreme position that drive rod 22 moved down through the spacing groove of drive rod 22, prevent that it breaks away from locking shell 21, stop screw 24 mainly used is when the locking device unblock, move down when drive rod 22, with the contact of going up along on the drive rod 22 spacing groove, make drive rod 22 can't continue to move down, locking piece 23 just inject in the cavity that locking shell 21 formed, the condition of breaking away from can not take place, auto-lock gasket 33 prevents to become flexible through the keyway meshing of pressure spring 32 and drive rod 22, play the effect of sealed lower lock body 3 simultaneously, the sleeve of spanner will lock the gasket and push up, rotatable drive rod 22 in the time of breaking away from the meshing spline.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a battery package locking device that trades electricity which characterized in that: including last lock body (1), locking subassembly (2) and lower lock body (3), locking subassembly (2) are including locking shell (21), actuating lever (22), locking piece (23) and stop screw (24), it cup joints the upper end at locking shell (21) to go up lock body (1), lower lock body (3) are including lock body shell (31), pressure spring (32) and auto-lock gasket (33), the lower extreme of locking shell (21) is provided with locking hole (25), actuating lever (22) are located the inboard of locking shell (21), pressure spring (32) set up the outside surface at actuating lever (22), auto-lock gasket (33) set up the outside bottom at actuating lever (22).

2. The battery pack charging locking device according to claim 1, wherein: the inner side of the locking shell (21) is provided with a thread section, and the driving rod (22) is in threaded connection with the thread section.

3. The battery pack charging locking device according to claim 1, wherein: the limiting screw (24) is arranged at the upper end of the front face of the locking shell (21), and the limiting screw (24) penetrates through the locking shell (21) to be connected with the driving rod (22).

4. The battery pack charging locking device according to claim 1, wherein: the top end of the locking shell (21) is a conical surface, and the top of the locking shell (21) protrudes out of the top of the upper lock body (1).