阅读说明：本技术 一种锂电池组保护板的安装固定方法及其装置 (Mounting and fixing method and device for lithium battery pack protection plate ) 是由 郑伟 李明钧 郝玉良 张金法 李奇林 于 2019-09-06 设计创作，主要内容包括：本发明提供了一种锂电池组保护板的安装固定方法及其装置,属于锂离子电池领域。它解决了现有用螺丝和胶固定保护板和电池组支架成本高等问题,一种锂电池组保护板的安装固定方法,包括如下步骤：S01：将保护板放在电池组支架上；S02：按压并推动保护板,保护板的卡块滑入电池组支架的卡槽中,使卡块和卡槽卡接。本发明具有成本低、固定牢固等优点。(The invention provides a method and a device for installing and fixing a lithium battery pack protection plate, and belongs to the field of lithium ion batteries. The method for installing and fixing the lithium battery pack protection plate solves the problems that the cost of the conventional method for fixing the protection plate and a battery pack support by using screws and glue is high, and the like, and comprises the following steps: s01: placing the protective plate on the battery pack support; s02: and pressing and pushing the protection plate, and enabling the fixture block of the protection plate to slide into the clamping groove of the battery pack bracket to be clamped with the clamping groove. The invention has the advantages of low cost, firm fixation and the like.)

1. A method for installing and fixing a lithium battery pack protection plate is characterized by comprising the following steps:

s01: placing the protective plate (2) on the battery pack bracket (1);

s02: the protection plate (2) is pressed and pushed, and the fixture block (5) of the protection plate (2) slides into the clamping groove (4) of the battery pack bracket (1), so that the fixture block (5) is clamped with the clamping groove (4).

2. The method for installing and fixing the lithium battery pack protection board according to claim 1, wherein in step S01, the positioning groove (7) of the protection board (2) is aligned with the positioning plate (8) of the battery pack bracket (1), and the positioning plate (8) is located in the positioning groove (7).

3. The method for installing and fixing the lithium battery pack protection plate as claimed in claim 1, wherein after the clamping block (5) and the clamping groove (4) are clamped, the side wall of the clamping block (5) is abutted by the side wall of the clamping groove (4).

4. The method for installing and fixing the lithium battery pack protection plate according to claim 1, wherein after the clamping blocks (5) and the clamping grooves (4) are clamped, two sides of the protection plate (2) are abutted by the abutting cross beams (10) and the abutting pieces (11) at two sides of the battery pack support (1).

5. The method for installing and fixing the lithium battery pack protection plate as claimed in claim 1, wherein in step S02, after the clip block (5) is clipped to the clip groove (4), the two ends of the protection plate (2) are abutted by the clip block (12) of the battery pack bracket (1).

6. An installation and fixation device for realizing the installation and fixation method of the lithium battery pack protection plate according to any one of claims 1 to 5, which comprises a battery pack support (1) and the protection plate (2), wherein clamping pieces (3) for clamping the protection plate (2) are arranged on two sides of the battery pack support (1), clamping grooves (4) are arranged on the clamping pieces (3), clamping blocks (5) are arranged on the protection plate (2), and the clamping blocks (5) are clamped with the clamping grooves (4).

7. A mounting and fixing device as claimed in claim 6, characterized in that the protection plate (2) is provided with grooves (6) on both sides, the latch (5) is located at the bottom of the groove (6), and the latch (5) and the protection plate (2) are integrally formed.

8. An installation and fixation device as claimed in claim 7, wherein the groove (6) includes a positioning groove (7), the clip member (3) is provided with a positioning plate (8), the positioning groove (7) is used for aligning and positioning with the positioning plate (8), when the positioning groove (7) and the positioning plate (8) are aligned, the positioning plate (8) is located in the positioning groove (7), the groove (6) includes a clip interface (9), the side wall of the clip block (5) and the side wall of the groove (6) form the clip interface (9), when the clip block (5) and the clip groove (4) are clipped, the clip interface (9) and the positioning plate (8) are clipped, the upper wall of the clip groove (4) is buckled at the top of the clip block (5), and the clip interface (9) is in an L shape.

9. An installation and fixation device according to claim 6, characterized in that the slot (4) is L-shaped, and the slot (4) is located at the bottom of the positioning plate (8).

10. An installation and fixation device as claimed in claim 6, wherein the clamping member (3) is further provided with an abutting beam (10), the abutting beam (10) is used for abutting against the side wall of the protection plate (2), abutting members (11) are further provided on two sides of the battery pack support (1), the abutting members (11) are used for abutting against the side wall of the protection plate (2), stoppers (12) are further provided on two ends of the battery pack support (1), and the stoppers (12) are used for abutting against two ends of the protection plate (2).

Technical Field

The invention belongs to the field of lithium ion batteries, and particularly relates to a method and a device for installing and fixing a lithium battery pack protection plate.

Background

Nowadays, new energy automobiles and bicycles are rapidly developed, and lithium ion power batteries are widely applied. As is well known, the protection plate is the most central component of a lithium ion battery pack, and the stability of the protection plate determines the service life and safety of the whole lithium ion battery pack.

At present, most lithium ion battery pack protection plates in the market are fixed on a bracket by self-tapping screws, and a few lithium ion battery pack protection plates are still adhered on the battery bracket by flame retardant objects with glue.

The problem that exists is that the screw is a conductive product, and in process of production, because improper operation can lead to the screw to contact with the components and parts on the protection shield, and then takes place the short circuit, serious still can cause the explosion of lithium ion battery group, the burning. The glue is an easy aging material, and in the using process, due to the existence of high and low temperature impact and vibration in the driving process of the vehicle, the falling of the protective plate with the glue can be caused. And the material cost and the labor cost are increased by both screw fixation and glue fixation, so that the manufacturing cost of the whole battery pack is increased.

Disclosure of Invention

The first object of the present invention is to provide a method for mounting and fixing a lithium battery pack protection plate, which addresses the above-mentioned problems in the prior art, and the second object of the present invention is to provide a mounting and fixing device using the above-mentioned method.

The first object of the present invention can be achieved by the following technical solutions: a method for installing and fixing a lithium battery pack protection plate is characterized by comprising the following steps:

s01: placing the protective plate on the battery pack support;

s02: and pressing and pushing the protection plate, and enabling the fixture block of the protection plate to slide into the clamping groove of the battery pack bracket to be clamped with the clamping groove.

The working principle of the invention is as follows: put the protection shield on group battery support, press down and promote the protection shield for the fixture block removes towards the direction of draw-in groove, and the fixture block slides in the draw-in groove, and the fixture block promptly with the draw-in groove joint. So that the protection plate and the bracket are fixed together. The mounting and fixing method is very simple, the protection plate can be fixed on the battery pack bracket without screws and adhesive tapes, and the mounting and fixing method is low in cost, firm in fixing and very convenient.

Preferably, in step S01, the positioning groove of the protection plate is aligned with the positioning plate of the battery pack support, and the positioning plate is located in the positioning groove.

Preferably, in step S02, after the latch is engaged with the slot, the side wall of the latch is abutted by the side wall of the slot.

Preferably, in step S02, after the latch is latched to the latch slot, the two sides of the protection plate are abutted by the abutting beams and the abutting pieces on the two sides of the battery pack bracket.

Preferably, in step S02, after the latch is latched to the latch slot, the two ends of the protection board are abutted by the latches of the battery pack bracket.

The second object of the present invention can be achieved by the following technical solutions: the mounting and fixing device adopting the method is characterized by comprising a battery pack support and a protection plate, wherein clamping pieces used for clamping the protection plate are arranged on two sides of the battery pack support, clamping grooves are formed in the clamping pieces, clamping blocks are arranged on the protection plate, and the clamping blocks are clamped with the clamping grooves.

In the above installation and fixation device, grooves are formed in two sides of the protection plate, the fixture block is located at the bottom of the groove, and the fixture block and the protection plate are integrally formed.

In the above mounting and fixing device, the groove includes a positioning groove, the clamping member is provided with a positioning plate, the positioning groove is used for aligning and positioning with the positioning plate, and when the positioning groove is aligned with the positioning plate, the positioning plate is located in the positioning groove.

In the above installation and fixation device, the slot is L-shaped.

In the above mounting and fixing device, the clamping groove is located at the bottom of the positioning plate.

In an installation fixing device of the aforesaid, the recess include the joint mouth, the lateral wall of fixture block with the lateral wall of recess forms the joint mouth, work as when fixture block and draw-in groove joint, joint mouth and locating plate joint, the draw-in groove upper wall detain in the top of fixture block.

In the above installation and fixation device, the clip interface is L-shaped.

In the above installation fixing device, the clip member is further provided with an abutting cross beam, and the abutting cross beam is used for abutting against the side wall of the protection plate.

In the above mounting and fixing device, abutting pieces are further provided on two sides of the battery pack bracket, and the abutting pieces are used for abutting against the side walls of the protection plate.

In the above installation and fixation device, the two ends of the battery pack bracket are further provided with stoppers for abutting against the two ends of the protection plate.

Compared with the prior art, the invention has the following advantages:

1. the mounting and fixing method is very simple, the protection plate can be fixed on the battery pack bracket without screws and adhesive, and the mounting and fixing method is low in cost, firm in fixing and very convenient. Because need not the screw and take the glue thing, so do not have the screw and the components and parts contact on the protection shield, and then take place short circuit scheduling problem, also do not have the problem that the protection shield that the glue is ageing to be caused drops.

2. Two sides and two ends of the protective plate are fixed, and the side walls of the clamping blocks are propped against the side walls of the clamping grooves. Therefore, the protection plate is firmly fixed on the bracket, and the protection plate and the bracket are very firmly fixed.

Drawings

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

FIG. 2 is a schematic structural view of the clip of the present invention;

FIG. 3 is a schematic view of the structure of the protective plate of the present invention;

FIG. 4 is a schematic structural view of a battery support according to the present invention;

fig. 5 is a schematic structural view of the card slot of the present invention.

In the figure, 1, a battery pack support; 2. a protection plate; 3. a clamping piece; 4. a card slot; 5. a clamping block; 6. a groove; 7. positioning a groove; 8. positioning a plate; 9. a card interface; 10. abutting against the cross beam; 11. an abutting member; 12. and a stop block.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

A method for installing and fixing a lithium battery pack protection plate comprises the following steps:

s01: placing the protection board 2 on the battery pack support 1; the positioning groove 7 of the protection plate 2 is aligned with the positioning plate 8 of the battery pack bracket 1, and the positioning plate 8 is positioned in the positioning groove 7.

S02: pressing and pushing the protection plate 2, and enabling the fixture block 5 of the protection plate 2 to slide into the clamping groove 4 of the battery pack bracket 1, so that the fixture block 5 is clamped with the clamping groove 4; after the clamping block 5 and the clamping groove 4 are clamped, the side wall of the clamping block 5 is abutted by the side wall of the clamping groove 4, the two sides of the protection plate 2 are abutted by the abutting cross beams 10 and the abutting pieces 11 on the two sides of the battery pack support 1, and the two ends of the protection plate 2 are abutted by the check blocks 12 of the battery pack support 1.

Put protection shield 2 on group battery support 1, press down and promote protection shield 2 for fixture block 5 moves towards the direction of draw-in groove 4, and fixture block 5 slides in draw-in groove 4, and fixture block 5 promptly and draw-in groove 4 joint. After clamping, the two sides of the protection plate 2 are abutted by the abutting cross beam 10 and the abutting piece 11, and the two ends of the protection plate 2 are abutted by the stop blocks 12. Namely, both sides and both ends of the protection plate 2 are fixed, and the side walls of the locking blocks 5 are supported by the side walls of the locking slots 4. Therefore, the protection plate 2 is firmly fixed on the bracket, the mounting and fixing method is very simple, the protection plate 2 can be fixed on the battery pack bracket 1 without screws and adhesive tapes, and the battery pack bracket is low in cost, firm in fixation and very convenient.

As shown in fig. 1 to 5, a lithium battery pack protection board fixing device includes a battery pack support 1 and a protection board 2, wherein two sides of the battery pack support 1 are provided with a clamping piece 3 for clamping the protection board 2, the clamping piece 3 is provided with a clamping groove 4, the protection board 2 is provided with a clamping block 5, and the clamping block 5 is clamped with the clamping groove 4.

In a further elaboration, the two sides of the protection plate 2 are provided with grooves 6, the fixture blocks 5 are located at the bottoms of the grooves 6, and the fixture blocks 5 and the protection plate 2 are integrally formed.

In more detail, the groove 6 comprises a positioning groove 7, the clamping member 3 is provided with a positioning plate 8, the positioning groove 7 is aligned and positioned with the positioning plate 8, and when the positioning groove 7 is aligned with the positioning plate 8, the positioning plate 8 is located in the positioning groove 7. During installation, the protection plate 2 is placed on the support, the positioning groove 7 is aligned with the positioning plate 8, and the positioning plate 8 is located in the positioning groove 7 when the positioning plate 8 is aligned with the positioning groove 7.

In more detail, the slot 4 is L-shaped. The clamping groove 4 is positioned at the bottom of the positioning plate 8. Recess 6 includes joint interface 9, the lateral wall of fixture block 5 with the lateral wall of recess 6 forms joint interface 9 works as during fixture block 5 and draw-in groove 4 joint, joint interface 9 and 8 joints of locating plate, draw-in groove 4 upper wall is detained in the top of fixture block 5. The card interface 9 is L-shaped.

After locating plate 8 and constant head tank 7 aim at, the installer pushes down protection shield 2 with the hand gently to push away fixture block 5 towards the direction one of draw-in groove 4, fixture block 5 promptly with draw-in groove 4 joint, at this moment, joint interface 9 and 8 joints of locating plate, the top in fixture block 5 is detained to draw-in groove 4 upper wall. The lateral wall and the 8 butt of locating plate of recess 6 promptly, the lateral wall of fixture block 5 and the lateral wall butt of draw-in groove 4 firmly fix protection shield 2.

In further detail, the clamping member 3 is further provided with an abutting cross beam 10, and the abutting cross beam 10 is used for abutting against the side wall of the protection plate 2. The two sides of the battery pack bracket 1 are also provided with abutting pieces 11, and the abutting pieces 11 are used for abutting the side walls of the protection plate 2.

After the clamping block 5 and the clamping groove 4 are clamped, two sides of the protection plate 2 abut against the abutting cross beam 10 and the abutting piece 11. That is, the abutting beams 10 and the abutting pieces 11 abut against the both sides of the protector plate 2, thereby fixing the both sides of the protector plate 2 and preventing the position of the protector plate 2 from being shifted.

In more detail, the two ends of the battery pack bracket 1 are further provided with stoppers 12, and the stoppers 12 are used for abutting against the two ends of the protection plate 2. After the user pressed down and promoted protection shield 2, fixture block 5 and draw-in groove 4 joint, the both ends of protection shield 2 are supported by dog 12, prevent that the skew from taking place in the position of protection shield 2.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms of battery support 1, protective plate 2, snap-in element 3, snap-in groove 4, snap-in block 5, recess 6, positioning slot 7, positioning plate 8, snap-in interface 9, abutment cross member 10, abutment element 11, stop 12, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.