CN219393494U

CN219393494U - Elastic clamping groove for battery of electric automobile

Info

Publication number: CN219393494U
Application number: CN202320813321.8U
Authority: CN
Inventors: 张江辉; 赵冬梅; 何燕; 刘治明; 田庆彬
Original assignee: Qingdao University of Science and Technology
Current assignee: Qingdao University of Science and Technology
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-07-21
Anticipated expiration: 2033-04-13

Abstract

The utility model belongs to the technical field of battery discharge, and particularly relates to an elastic clamping groove of an electric automobile battery. The device comprises a first contact shell, wherein the first contact shell is of a shell structure with an accommodating space inside and is connected with an external discharging warehouse; the self-adaptive device body is fixed in the first contact shell and used for accommodating batteries, the bottom of the self-adaptive device body is connected with the first contact shell through an electric wire, and a second spring is connected between the outer side of the self-adaptive device body and the inner side of the first contact shell, so that the self-adaptive body is telescopic to adapt to batteries with different specifications; and the discharging device is used for connecting the battery electrode and the electric wire so as to lead out the electric quantity of the battery. The battery discharging clamp solves the problem that the battery discharging clamp can only clamp batteries with the same specification and has low applicability.

Description

Elastic clamping groove for battery of electric automobile

Technical Field

The utility model belongs to the technical field of battery discharge, and particularly relates to an elastic clamping groove of an electric automobile battery.

Background

The waste power battery has low internal electric quantity, but still has high internal voltage, and is subjected to full discharge treatment before recovery treatment, otherwise, dangerous factors exist in the recovery and disassembly process. In the prior art, each discharging device corresponds to a battery with one specification, and the discharging devices with different specifications are selected according to the sizes of different battery specifications, so that the discharging clamping device is applicable to the battery with single specification, each fixture is only applicable to the battery with the same specification, and the clamping device cannot be adjusted to adapt to the batteries with different specifications.

Disclosure of Invention

Aiming at the defects existing in the related art, the utility model provides the elastic clamping groove of the battery of the electric automobile, which is used for solving the problems that the existing clamp only can clamp batteries with the same specification and has low applicability.

The utility model provides an elastic clamping groove of an electric automobile battery, which comprises the following components:

the first contact shell is of a shell structure with an accommodating space inside and is connected with an external discharging warehouse;

the self-adaptive device body is fixed inside the first contact shell and is used for accommodating a battery, and the bottom of the self-adaptive device body is connected with the first contact shell through an electric wire;

the discharging device is arranged inside the self-adaptive body and comprises a second contact shell and a self-adaptive contact rod, the self-adaptive contact rod is positioned inside the second contact shell, and when discharging, the lug of the battery props against the upper surface of the self-adaptive contact rod, so that the self-adaptive contact rod downwards passes through the lower surface of the second contact shell to be in contact with the first contact shell so as to lead the electric quantity of the battery into a discharging warehouse through the electric wire. The embodiment realizes automatic discharge from the cell and improves the discharge efficiency.

In some of these embodiments, the adaptive touch bar is comprised of a plurality of bars, each of which remains independent and are grouped together to form an adaptive touch bar as a whole, and the adaptive touch bar has a hexagonal cross section. The embodiment is suitable for various tabs and improves applicability.

In some of these embodiments, the rod is a cylindrical rod.

In some of these embodiments, a first spring is sleeved over each rod. The embodiment improves the automation performance.

In some of these embodiments, the discharge device further comprises:

and the insulating gasket is arranged between the second contact shell and the first contact shell or between the upper part and the lower part of the second contact shell to prevent short circuit. The embodiment improves the safety performance.

In some embodiments, a stop lever is provided at a lower end of the lever body to prevent the lever body from being separated from the second contact housing when the first spring rebounds.

In some embodiments, the adaptive device body has a plurality of adaptive device bodies, and the adaptive device bodies are arranged in parallel inside the first contact shell. The embodiment improves the discharge efficiency.

In some embodiments, the second contact housing is a housing having a certain accommodating space, the bottom of the housing is provided with an opening, and the adaptive contact rod passes through the opening at the bottom and the inside of the housing, and the height of the adaptive contact rod is higher than the height of the upper surface of the second contact housing.

In some embodiments, a second spring is connected between the outer side of the self-adapting device body and the inner side of the first contact shell, so that the self-adapting device body is telescopic to adapt to batteries with different specifications.

In some embodiments, the self-adaptive device body comprises movable front, rear, left and right limiting plates, a protrusion is arranged on the outer side of each limiting plate, a groove matched with the protrusion is arranged on the inner side of the first contact shell, and the second spring is mounted on the protrusion and inserted into the groove to be connected.

In some embodiments, the front side limiting plate, the rear side limiting plate, the left side limiting plate and the right side limiting plate are half Y-shaped structures, namely the upper side is inclined outwards, and the lower side is vertical downwards. This scheme is convenient for take of battery.

In some embodiments, the protrusions are disposed at vertical portions of each limiting plate and disposed on the same horizontal plane. The convenient force is convenient to draw close to the middle, and the tightening force is improved.

In some embodiments, the discharge device is made of conductive material, and the electrode is in communication with the discharge device after the battery is inserted into the adaptive device body.

Based on the technical scheme, the elastic clamping groove of the battery of the electric automobile in the embodiment of the utility model can adjust the size of the self-adaptive device body through the second spring so as to use batteries with different specifications, thereby improving the applicability of the device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a front view cross-sectional view of an elastic clamping groove of an electric automobile battery of the utility model;

FIG. 2 is an enlarged view of FIG. 2 at A;

FIG. 3 is a left side view cross-sectional view of the elastic clamping groove of the battery of the electric automobile of the utility model;

FIG. 4 is a front view of the battery elastic slot discharging device of the electric vehicle of the present utility model;

FIG. 5 is a bottom view of the battery elastic slot discharging device of the electric vehicle according to the present utility model;

in the figure:

10. a first contact housing; 11. a second spring; 12. a groove; 20. an adaptive device body; 21. a front side limiting plate; 22. a rear limit plate; 23. a left side limiting plate; 24. a right side limiting plate; 25. a protrusion; 30. a discharge device; 31. a second contact housing; 32. an adaptive contact lever; 321. a rod body; 322. a limit rod; 323. a first spring; 33. an insulating spacer; 40. and a battery.

Detailed Description

The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center," "lateral," "longitudinal," "upper," "lower," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships merely to facilitate the description of the utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the utility model.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, the present utility model provides a battery 40 adaptive contact discharging device 30, comprising: a first contact housing 10, an adaptive device body 20 and a discharge device 30,

the first contact shell 10 is of a shell structure with an accommodating space inside, and is connected with an external discharge warehouse; it will be appreciated that the first contact housing 10 includes left and right sides, front and rear sides, and a bottom surface, the top surface being the portion of the battery 40 that enters the first contact housing 10.

The self-adaptive device body 20 is arranged inside the first contact shell 10 and is used for accommodating a battery 40, and the bottom of the self-adaptive device body is connected with the first contact shell 10 through an electric wire; it will be appreciated that the tab portions are mounted downwardly when the battery 40 is advanced into the adaptive device body 20.

The discharging device 30 is installed inside the self-adapting body, the discharging device 30 comprises a second contact shell 31 and a self-adapting contact rod 32, the self-adapting contact rod 32 is located inside the second contact shell 31, when discharging, the lug of the battery 40 props against the upper surface of the self-adapting contact rod 32, and the self-adapting contact rod 32 downwards passes through the lower surface of the second contact shell 31 to contact with the first contact shell 10 so as to lead the electric quantity of the battery 40 into a discharging warehouse through the electric wire. It can be understood that the second contact housing 31 is a housing having a certain accommodating space, the adaptive contact lever 32 passes through the hole at the bottom and the inside thereof, and the height of the adaptive contact lever 32 is higher than the height of the upper surface of the second contact housing 31; and the battery 40 is not inserted, the adaptive contact lever 32 is spaced apart from the first contact housing 10 by a certain distance.

Further, after the battery 40 is inserted into the self-adapting device body 20, the tab of the battery 40 contacts the self-adapting contact rod 32, and the battery 40 is pushed downward, the self-adapting contact rod 32 moves downward along with the downward acting force of the battery 40, and the self-adapting contact rod 32 directly contacts the first contact housing 10, at this time, the battery 40 is just inserted into the self-adapting device body 20 to form a conductive loop, and the contact anode 12 and the contact cathode 13 outside the first contact housing 10 are connected with a conductive library, so as to lead out the residual electric quantity of the battery 40.

The above-described exemplary embodiment realizes automatic discharge of the battery 40, improving safety and discharge efficiency.

As shown in fig. 4 and 5, in some embodiments, the adaptive contact lever 32 is composed of a plurality of lever bodies 321, each lever body 321 is kept independent and combined together to form the adaptive contact lever 32 as a whole, and the adaptive contact lever 32 has a hexagonal cross section. It can be understood that each rod 321 has the same size and shape, and is vertically arranged in parallel, and a certain gap is reserved between the rods 321 and the rod 321, but the gap cannot be too large so as to prevent the tabs from being clamped into the gap. During discharging, the tab is pressed down to any several of the rod bodies 321, the pressed rod bodies 321 move downwards to pass through the lower surface of the second contact shell 31 to contact with the first contact shell 10 for discharging, and the positions of the other rod bodies 321 which are not pressed down are kept unchanged. The scheme realizes the self-adaptive discharging of the battery 40 lugs with different shapes.

Further, as shown in fig. 4 and 5, in the embodiment of the present disclosure, four rods 321 are disposed in each hexagonal pass, and the adaptive device body 20 is composed of 67 rods 321.

As shown in fig. 4 and 5, in some embodiments, the rod 321 is a cylindrical rod 321. It can be understood that the distances from the center to the center of the cylinder are the same, so that a large gap is avoided between the rod bodies 321 and the rod bodies 321, and the gap is matched with the hole at the bottom of the second contact shell 31, so that the trafficability is good.

As shown in fig. 4 and 5, in some embodiments, a first spring 323 is sleeved on each rod 321. It will be appreciated that the first spring 323 compresses downwardly with the adaptive contact lever 32, and when the battery 40 is discharged, the first spring 323 resets, which drives the adaptive contact lever 32 to reset.

As shown in fig. 4 and 5, in some embodiments, the discharging device 30 further includes:

and an insulating spacer 33 provided between the second contact housing 31 and the first contact housing 10 or between the upper portion and the lower portion of the second contact housing 31, to prevent short-circuiting. For example, in the present embodiment, the insulating spacer 33 is provided at the lower half position of the second contact housing 31. Isolating the electrical conductivity between the upper half of the second contact housing 31 and the first contact housing 10.

As shown in fig. 4 and 5, in some embodiments, a limiting rod 322 is disposed at a lower end of the rod 321 to prevent the rod 321 from being separated from the second contact housing 31 when the first spring 323 rebounds. It can be appreciated that the rod 321 is clamped under the second contact housing 31 by the limiting rod 322, so that the result is more stable.

As shown in fig. 1-3, in some embodiments, a second spring 11 is connected between the outer side of the adaptive device body 20 and the inner side of the first contact housing 10, so that the adaptive device body is telescopic to adapt to batteries 40 with different specifications. It can be understood that the expansion and contraction of the second spring 11 drives the adaptive device body 20 to expand and contract, so that the internal space of the adaptive device body 20 can be adjusted to adapt to the batteries 40 with different specifications.

As shown in fig. 1 to 3, in some embodiments, the adaptive device body 20 includes a movable front limiting plate 21, a rear limiting plate 22, a left limiting plate 23, and a right limiting plate 24, each of which is provided with a protrusion 25 on the outer side, a groove 12 matching the protrusion 25 is provided on the inner side of the first contact housing 10, and the second spring 11 is mounted on the protrusion 25 and inserted into the groove 12 to be connected. It will be appreciated that the front side, the rear side, the left side and the rear side of the adaptive device body 20 are all provided as limiting plates, and the outer protrusions 25 of the limiting plates are in the same horizontal plane with the grooves 12 of the first contact housing 10.

Further, the size of the self-adaptive device body 20 is set to be the size of the battery 40 with the minimum specification, after the battery 40 is inserted, the battery 40 pushes the limiting plates in four directions to move backwards, the second spring 11 is compressed, the four limiting plates tightly fasten the battery 40 under the reaction force in four directions, the battery 40 is fixed in the self-adaptive device body 20 and does not move, and poor contact between the battery 40 and the bottom discharging device 30 is prevented.

Further, a plurality of protrusions 25 are arranged on the outer side of each limiting plate, and a plurality of grooves 12 matched with each other are formed on the inner side of the first contact shell 10, so that tightening force is improved. For example, in this embodiment, two protrusions 25 are provided on the outer side of each limiting plate.

By way of illustration of various embodiments of the battery spring clip for an electric vehicle of the present utility model, it can be seen that the present utility model has at least one or more of the following advantages:

1. the utility model solves the problems of manual discharge and low discharge efficiency, realizes automatic discharge of the battery and improves the discharge efficiency;

2. the utility model is suitable for batteries with different specifications and tabs with different specifications, the batteries are firmly fixed, and the applicability is improved.

Finally, it should be noted that: in the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same; while the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present utility model or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the utility model, it is intended to cover the scope of the utility model as claimed.

Claims

1. Electric automobile battery elasticity draw-in groove, its characterized in that includes:

the self-adaptive device body is fixed inside the first contact shell and used for accommodating batteries, the bottom of the self-adaptive device body is connected with the first contact shell through an electric wire, the self-adaptive device body comprises a movable front limiting plate, a rear limiting plate, a left limiting plate and a right limiting plate, a bulge is arranged on the outer side of each limiting plate, a groove matched with the bulge is formed in the inner side of the first contact shell, and a second spring is mounted on the bulge and inserted into the groove to be connected so that the self-adaptive body adapts to batteries with different specifications;

and the discharging device is used for connecting the battery electrode and the electric wire so as to lead out the electric quantity of the battery.

2. The elastic clamping groove for the battery of the electric automobile according to claim 1, wherein the front limiting plate, the rear limiting plate, the left limiting plate and the right limiting plate are of a half Y-shaped structure, namely, the upper part is inclined outwards, and the lower part is vertical downwards.

3. The elastic clamping groove for the battery of the electric automobile according to claim 2, wherein the protrusions are arranged at the vertical part of each limiting plate.

4. The elastic clamping groove for the battery of the electric automobile according to claim 3, wherein the protrusions of the front limiting plate, the rear limiting plate, the left limiting plate and the right limiting plate are arranged on the same horizontal plane.

5. The elastic clamping groove for the battery of the electric automobile according to claim 1, wherein the discharging device is made of conductive materials, and the electrode is communicated with the discharging device after the battery is inserted into the self-adaptive device body.