CN210161890U

CN210161890U - Locking structure of power battery pack

Info

Publication number: CN210161890U
Application number: CN201920776102.0U
Authority: CN
Inventors: 杨泽文; 贾丹丹; 杨玉勋
Original assignee: Jiangsu Huafeng Amperex Technology Ltd
Current assignee: Jiangsu Huafeng Amperex Technology Ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-03-20
Anticipated expiration: 2029-05-27

Abstract

The utility model discloses a locking structure of power battery package, including installing support and power battery package, fixed a set of buckle on the installing support lateral wall is trapezoidal dog cooperation with its cross-section of fixing on power battery package lateral wall and realizes the fixed of installing support and power battery package to realize through a pair of release mechanism that the separation of power battery package and installing support is relieved. The utility model discloses power battery package can realize fixing and getting and unloading of power battery package on the basis of other spare parts not with the help of the external world, convenient and fast, and the dual release mechanism of adoption simultaneously slides earlier and just can accomplish the unblock by the operation of pressing again, has avoided the maloperation to make power battery package and installing support separation this, influences the result of use, has very strong suitability, the popularization and use on a large scale of being convenient for.

Description

Locking structure of power battery pack

Technical Field

The utility model relates to an automobile design and manufacturing technical field, concretely relates to locking structure of power battery package.

Background

The power battery pack is a battery for providing power for a transportation tool, utilizes the power battery as a power source of the transportation tool, is widely applied to electric automobiles, electric trains, electric bicycles, golf cars and the like, has a large application market, and particularly drives the development of new energy automobiles and the vigorous development of the power battery for implementing the arrangement and the requirements of national service hospitals on cultivating strategic emerging industries and strengthening energy conservation and emission reduction work in recent years.

The traditional connection of a power battery pack and a vehicle body mainly adopts a mode that a vehicle body embedded nut is matched with a bolt for fixing, so that the weight and the cost of the whole vehicle are increased, the arrangement of the whole vehicle is influenced, the operation is inconvenient due to the limitation of space during installation operation, the installation, the replacement or the maintenance are very inconvenient, the assembly efficiency is low, and the production rhythm is influenced; the power battery pack assembly comprises a power battery pack body, two pairs of locking pins are respectively arranged on two sides of the power battery pack body, compression springs are arranged on the locking pins, and the locking pins are locked through limiting pins; the locking pin is pressed into the pin shaft hole through the compression spring, so that the power battery pack body is fixed below the support plane of the mounting support assembly. Above-mentioned scheme does not have some technical immaturity at all, though can be with the comparatively convenient and automobile assembling of power battery package, but not carry out reasonable design to the problem of taking off power battery package, influence the maintenance change in power battery package later stage.

SUMMERY OF THE UTILITY MODEL

To the problem that provides in the background art, the utility model provides a locking structure of power battery package when realizing quick locking, can be with the comparatively convenient quick take off of power battery package, it is very convenient to maintain it.

The utility model discloses a realize above-mentioned purpose and the technical scheme who takes does: the utility model provides a locking structure of power battery package, includes installing support and power battery package, fixed a set of buckle on the installing support lateral wall, it is trapezoidal dog cooperation with its cross-section of fixing on the power battery package lateral wall and realizes fixing between them to realize the separation of power battery package and installing support through a pair of release mechanism and relieve.

Further, the dual unlocking mechanism includes:

a group of grooves arranged on the stop block;

the support arms are respectively fixed on two sides of the T-shaped rod, a first spring is sleeved on each support arm, and the support arms partially extend into the grooves when the first springs are in a natural extension state;

the accommodating groove is arranged in parallel with the groove and matched with the T-shaped rod;

an accommodating cavity arranged below the stop block, wherein a second spring is arranged in the accommodating cavity;

the sliding block can slide in a plane, is fixedly connected with the T-shaped rod, and can drive the T-shaped rod to move through the movement of the sliding block;

and the positioning cavity is arranged below the sliding block, a third spring is arranged in the positioning cavity, and a cover plate is arranged on the third spring.

Further, the mounting bracket is in a box shape with an opening at the bottom surface, one side plate is shorter than the other three side plates, and the stop block is arranged on the shorter side plate.

Furthermore, the two sides of the sliding block are provided with a limiting shell for assisting the sliding block to be stable.

Furthermore, the sliding block is provided with anti-skid grains.

Further, the mounting bracket and the vehicle body are fixed in a riveting mode, and a through hole for the rivet to pass through is formed in the mounting bracket.

The utility model has the advantages that:

1. when the quick release is realized, the buckle loses the blocking of the stop block by a mode of firstly horizontally sliding and then pressing, the sliding block drives the T-shaped rod to move at first, so that the support arm is completely accommodated in the groove, and then the sliding block is pressed downwards to drive the stop block to sink, so that the fixed connection between the power battery pack and the mounting bracket is released, and the power battery pack is prevented from being separated from the mounting bracket due to misoperation or collision;

2. a locking structure of power battery package, structural design is simple, convenient to use, with after the installing support is fixed alright realize the fixed of power battery package under the condition without the help of external force, this design has high practicality, can accelerate the speed of operation in the production process, has than powerful universality.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the power battery pack of the present invention;

fig. 3 is a cross-sectional view of the stop of the present invention;

fig. 4 is the sectional view of the section of the holding tank of the present invention.

The figures in the drawings represent:

1. the anti-skidding type power battery pack mounting bracket comprises a mounting bracket 2, a power battery pack 3, a through hole 4, a buckle 5, a stop dog 6, a sliding block 7, a T-shaped rod 8, a support arm 9, a first spring 10, a second spring 11, a third spring 12, a groove 13, a positioning cavity 14, an accommodating groove 15, a cover plate 16, a limiting shell 17, anti-skidding threads 18 and an accommodating cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all 16 embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "front", "back", "vertical", "left", "right", "up", "down", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to fig. 4, a locking structure of a power battery pack 2 includes a mounting bracket 1 and a power battery pack 2, the mounting bracket 1 is fixedly connected with a vehicle body by riveting, a through hole 3 for a rivet to pass through is formed in the mounting bracket 1, the mounting bracket 1 is in a box shape with an opening at the bottom, one side of the side plate is shorter than the other three side plates, the lower edge side of the shorter side plate is not more than the ramp starting position of a stop block 5 arranged on the power battery pack 2, the stop block 5 is matched with a buckle 4 fixed on the side plate of the shorter side of the mounting bracket 1, so that the power battery pack 2 and the mounting bracket 1 are fixed, and further the power battery pack 2 and the vehicle body are indirectly fixed. In order to realize that the power battery pack 2 is taken down, a double unlocking mechanism is also arranged, when the power battery pack 2 needs to be replaced, the power battery pack 2 is conveniently separated from the mounting bracket 1, the double unlocking mechanism comprises a sliding block 6 capable of sliding in the direction parallel to the side wall of the power battery pack, a T-shaped rod 7 fixedly connected with the sliding block 6 and support arms 8 arranged on two sides of the T-shaped rod 7, a first spring 9 is respectively sleeved on the two support arms 8, half of the support arms 8 are clamped into a groove 12 arranged on the stop block 5 under the natural extension state of the first spring 9, the effect of fixedly supporting the stop block 5 is achieved, the stop block 5 is prevented from sinking into the accommodating cavity 18, the stop block 5 is prevented from being lost, and the power battery pack 2 falls off, the accommodating cavity 18 is positioned right below the stop block 5, and a second spring 10 is arranged in the cavity; a containing groove 14 matched with the T-shaped rod 7 is arranged close to the groove 12; a positioning cavity 13 is arranged on the plane in the same horizontal direction with the sliding block 6, a third spring 11 is arranged in the positioning cavity, a cover plate 15 is arranged on the positioning cavity, a limiting shell 16 is fixed on the cover plate 15 and two sides of the sliding block 6, the limiting shell has a limiting effect on the sliding block 6 and the cover plate 15, and the sliding block 6 is prevented from being lifted upwards; in addition, the slide block 6 is provided with anti-skid grains 17 which facilitate the slide block 6 to slide.

The implementation principle is as follows:

fixing the mounting bracket 1 on a reserved vehicle body space by rivets, lifting the power battery pack 2 upwards, slowly sliding the buckle 4 through a ramp of the stop block 5 until the buckle 4 is completely buckled with the stop block 5, and completing the locking operation of the power battery pack 2; need take off power battery package 2 and maintain when changing, slider 6 slides down, it slides with the equidirectional to drive T type pole 7, 7 head compression first springs 9 of T type pole make it warp, slider 6 slides when can not continue to slide, support arm 8 blocks into recess 12 completely, T type pole 7 is located holding tank 14 top this moment just, press slider 6, slider 6 and apron 15 extrusion third spring 11, it enters towards the 14 dark departments of holding tank to drive T type pole 7, and then it goes to drive dog 5 card and accept in the chamber 18, buckle 4 loses the blockking of dog 5, alright light take off power battery package 2. After the support arm is taken down, the sliding block 17 is loosened, the stop block 5, the sliding block 15 and the T-shaped rod 7 are bounced upwards under the elastic action of the third spring 11 and the second spring 10, the sliding block 15 returns to the initial position under the elastic action of the first spring 9, and the support arm 8 is retracted to a state that half of the body is in the groove 12.

So set up, the installation of power battery package 2 is got and is unloaded can realize on the basis of other spare parts outside not having the help of power battery package 2 fixed and get and unload, convenient and fast, and the dual release mechanism who adopts simultaneously slides earlier and has avoided the maloperation to make power battery package 2 and installing support 1 separation, influence performance again by the double operation of pressing.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a locking structure of power battery package, includes installing support and power battery package, its characterized in that: a group of buckles are fixed on the outer side wall of the mounting support, the buckles are matched with a stop block which is fixed on the side wall of the power battery pack and has a trapezoidal section to fix the mounting support and the power battery pack, and the power battery pack is separated from the mounting support through a double unlocking mechanism.

2. The locking structure of a power battery pack of claim 1, wherein the double unlocking mechanism comprises:

a group of grooves arranged on the stop block;

3. The locking structure of a power battery pack according to claim 1 or 2, wherein: the mounting bracket is in a box shape with an opening at the bottom surface, one side plate is shorter than other three side plates, and the stop block is arranged on the shorter side plate.

4. The locking structure of a power battery pack according to claim 2, wherein: and two sides of the sliding block are provided with limiting shells for assisting the sliding block to be stable.

5. The locking structure of the power battery pack according to claim 2 or 4, wherein: and anti-skid grains are arranged on the sliding block.

6. The locking structure of a power battery pack according to claim 1, wherein: the mounting bracket and the vehicle body are fixed in a riveting mode, and a through hole for the rivet to pass through is formed in the mounting bracket.