CN217848465U - A draw forth end insulation protection support, group battery and battery package for battery package - Google Patents

Abstract

The utility model discloses a draw forth end insulation protection support, group battery and battery package for battery package draws forth end insulation protection support and includes: a support body; the upper cover covers the support body, a containing cavity for containing the leading-out terminal and a plurality of through holes for the leading-out terminal to pass through are formed between the upper cover and the support body, and the through holes are positioned on different side surfaces of the support body and/or the upper cover and are communicated with the containing cavity; wherein, at least one through hole department is provided with flexible baffle, and flexible baffle at least part shutoff through hole is pressed and is produced elastic deformation by leading-out terminal. The utility model provides a draw forth end insulation protection support for solve the poor problem of insulation protective effect of general type support.

Description

A draw forth end insulation protection support, group battery and battery package for battery package

Technical Field

The utility model relates to a battery technology field especially relates to an end insulation protection support, group battery and battery package draw forth for battery package.

Background

In the group battery, adopt a plurality of supports to install in different positions in order to protect leading-out terminal usually, for insulation protection consideration, can only establish the opening in the side of being qualified for the next round of competitions, then need design the support of the multiple different side openings of die sinking, easy mistake when with high costs and installation.

Chinese patent CN202022864438.8 discloses a copper bar switching protection structure and battery pack, although it is disclosed to utilize a plurality of through-holes to supply the copper bar to pass in order to adapt to installation in different positions, the through-hole that does not use does not have the shelter from, leads to insulating protective effect not good enough, and the support does not have the fixed action to the copper bar, and the battery pack carries on probably leads to producing metal fatigue at the copper bar bolt end because of jolting when whole car, and then makes the metal fracture electric connection inefficacy.

SUMMERY OF THE UTILITY MODEL

In order to overcome above-mentioned prior art at least one defect, the utility model provides an end insulation protection support draws forth for drawing forth terminal switching for solve the poor problem of insulation protection effect of general type support.

The utility model discloses a solve the technical scheme that its problem adopted and be:

an outlet insulation protection support for a battery pack, comprising:

a support body;

the upper cover covers the support body, a containing cavity for containing the leading-out terminal and at least two through holes for the leading-out terminal to pass through are formed between the upper cover and the support body, and different through holes are positioned on different side surfaces of the support body and/or the upper cover and are communicated with the containing cavity;

and at least one through hole is provided with a flexible baffle, and at least part of the flexible baffle blocks the through hole and is pressed by the leading-out terminal to generate elastic deformation.

The utility model provides a draw forth end insulation protection support, through set up a plurality of openings that are located different sides between support body and upper cover, with be used for drawing forth the terminal and being qualified for the next round of competitions in different sides, make this draw forth end insulation protection support can general optional position in the group battery, prevent slow-witted effect when possessing commonality and installation, and set up the flexible baffle that can produce elastic deformation in opening department, in the opening department that has the side of drawing a wire, flexible baffle can offset in order to play the effect of fixed leading-out terminal with leading-out terminal, in the opening department of no side of drawing a wire, but flexible baffle shutoff opening is in order to play insulation protection.

The utility model discloses on the other hand still provides a group battery, this group battery including draw forth the terminal and as above draw forth the end insulation protection support, draw forth the terminal and pass the opening of drawing forth the end insulation protection support and the part is located the chamber of accomodating of drawing forth the end insulation protection support, the flexible baffle that draws forth the end insulation protection support supports and presses on drawing forth the terminal, and the medial surface of flexible baffle is at least partly hugged closely in the surface of drawing forth the terminal.

The utility model discloses another aspect still provides a battery package, and this battery package is used as above the group battery.

Drawings

Fig. 1 is a schematic structural view of an insulation protection support for a leading-out terminal according to embodiment 1 of the present invention;

fig. 2 is an exploded schematic view of the outlet insulation protection support according to embodiment 1 of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 1;

fig. 4 is a schematic structural view of the leading-out terminal insulation protection support of embodiment 1 of the present invention connected to a leading-out terminal;

fig. 5 is a schematic cross-sectional view of the outlet insulation protection support shown in fig. 4 connected with an outlet terminal;

fig. 6 is a schematic structural view of a battery pack to which a plurality of terminal insulation protection holders according to embodiment 1 are applied;

fig. 7 is a schematic structural view of an insulation protection support for a leading-out terminal according to embodiment 2 of the present invention;

fig. 8 is an exploded view of the outlet insulation protection support according to embodiment 2 of the present invention;

fig. 9 is a partially enlarged view of the portion B shown in fig. 7.

Wherein the reference numerals have the following meanings:

1. the leading-out terminal is provided with an insulating protection support; 11. a support body; 111. a second connecting portion; 112. a groove; 113. fixing a baffle plate; 12. an upper cover; 121. a first connection portion; 13. a receiving cavity; 14. a port; 15. a flexible baffle; 151. a root portion; 152. a deformation section; 153. a shielding portion; 154. a region of weakness; 16. a notch; 2. a first lead-out terminal; 3. a second lead-out terminal; 4. a terminal fixing bolt; 5. A battery cell.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element 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.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 and 4, the utility model discloses a lead-out terminal insulation protection support 1 for battery package, the lead-out terminal generally includes first lead-out terminal 2 and second lead-out terminal 3, and the switching is accomplished on lead-out terminal insulation protection support 1 to the tip of first lead-out terminal 2 and second lead-out terminal 3. Wherein, first leading-out terminal 2 can be for connecing the copper bar that converges that draws out by battery unit 5, and second leading-out terminal 3 can be for realizing the switching copper bar that two sets of battery units 5 are connected or the output copper bar with the outside output of group battery electric quantity. The material of the lead terminal is not limited, and may be aluminum or another conductive alloy. Specifically, the ends of the first lead terminal 2 and the second lead terminal 3 are connected by a terminal fixing bolt 4.

This leading-out terminal insulation protection support 1 includes: support body 11 and upper cover 12, support body 11 is as supporting the carrier in order to bear two leading-out terminals, including upper cover 12 lid fits support body 11 and covers with the tip that is connected with two leading-out terminals, support body 11 and upper cover 12's material are insulating material for the switching department of leading-out terminal is in during the protection, prevents it and exposes, has also reduced the condition that leading-out terminal and other conductor overlap joints produced the short circuit.

Referring to fig. 5, a receiving cavity 13 for receiving the lead terminals and four through holes 14 for the lead terminals to pass through are formed between the upper cover 12 and the support body 11, and the four through holes 14 are located on different sides of the support body 11 and/or the upper cover 12 and are communicated with the receiving cavity 13.

Specifically, in the present embodiment, the upper cover 12 and the support body 11 are both rectangular, the upper cover 12 is a hollow casing with an open lower end, the upper surface of the support body 11 and the hollow upper cover 12 together enclose a receiving cavity 13, and at this time, the upper surface of the support body 11 forms a bottom surface of the receiving cavity 13; all four side walls of the upper cover 12 are partially recessed from bottom to top, and form four through openings 14 together with the upper surface of the holder body 11, and at this time, the lower surfaces of the side walls of the upper cover 12 and the upper surface of the holder body 11 can be used as the upper and lower side walls of the through openings 14.

Of course, according to actual needs, the upper cover 12 and the support body 11 may also have other shapes, such as pentagon, hexagon, rhombus, etc., the number of the through openings 14 may also be two, three, five, etc., and the number of the through openings 14 may also be different from the number of the circumferential side surfaces of the upper cover 12 or the support body 11, that is, the upper cover 12 and the support body 11 may have a rectangular shape to have four circumferential side surfaces, and the number of the through openings 14 may be three to be respectively located on three different side surfaces. For the convenience of understanding, the rectangular upper cover 12, the holder body 11 and the four through openings 14 will be further described as a structural basis.

In addition, it should be noted that the main body space of the receiving cavity 13 may be entirely located in the upper cover 12, and in this case, as described above: the upper cover 12 is a hollow shell with an open lower end, and the upper surface of the support body 11 and the hollow upper cover 12 jointly enclose a containing cavity 13; or the main space of the accommodating cavity 13 may be located in the support body 11, at this time, the support body 11 is a hollow shell with an open upper end, and the accommodating cavity 13 is enclosed by the hollow support body 11 and the lower surface of the upper cover 12; or a part of the main space of the storage cavity 13 is located in the upper cover 12, and another part is located in the support body 11, at this time, the upper cover 12 is a hollow shell with an open lower end, the support body 11 is a hollow shell with an open upper end, and the hollow cavity of the upper cover 12 and the hollow cavity of the support body 11 together form the storage cavity 13, so that the storage cavity 13 is located between the upper cover 12 and the support body 11.

Likewise, the body space of port 14 may be entirely located in cover 12; or the main space of the through opening 14 can be completely positioned in the support body 11; or, a part of the main space of the through opening 14 may be located in the upper cover 12, and another part may be located in the holder body 11, so that the through opening 14 is located between the upper cover 12 and the holder body 11.

Referring to fig. 1 and 4, importantly, a flexible baffle 15 is disposed at the at least one through opening 14, and the flexible baffle 15 at least partially blocks the through opening 14 and is pressed by the leading-out terminal to generate elastic deformation.

Referring to fig. 2, in particular, in this embodiment, a flexible baffle 15 is respectively disposed on three side walls of the upper cover 12, the three flexible baffles 15 are respectively located at the front side, the left side, and the right side of the through opening 14, a fixed baffle 113 is disposed on the upper surface of the support body 11, and the fixed baffle 113 is located at the rear side of the through opening 14. During the use, first leading-out terminal 2 passes through the opening 14 of rear side, and second leading-out terminal 3 passes the opening 14 on right side, and second leading-out terminal 3 supports and presses the flexible baffle 15 on right side and makes it produce elastic deformation, and two openings 14 on front side and left side need not to be qualified for the next round of competitions to make two flexible baffles 15 of these two places keep the original state in order to shutoff opening 14.

The reason why a fixing flap 113 is provided at one of the through openings 14 is that the first lead-out terminal 2, which is the busbar of the battery cell 5, always needs to be mounted when using the lead-out terminal insulation protection holder 1, and therefore, the use scene of one of the through openings 14 can be predicted, and the use of the fixing flap 113 can provide a supporting and insulation protection effect for the first lead-out terminal 2, and thereby reduce the number of required flexible flaps 15 and reduce the production cost.

Of course, in other preferred embodiments, a flexible flap 15 may be provided over each port 14.

Through the combination of the above schemes, the outlet of the leading-out terminal on different sides is realized by utilizing the plurality of through openings 14 positioned on different sides between the support body 11 and the upper cover 12, so that the leading-out terminal insulation protection support 1 can be commonly used at any position in the battery pack, and has universality and foolproof effect during installation; on the other hand, by using the plugging and deformation functions of the flexible baffle 15 at the opening 14, at the opening 14 with the outgoing line side, the flexible baffle 15 can be abutted against the outgoing terminal to play a role in fixing the outgoing terminal, and at the opening 14 without the outgoing line side, the flexible baffle 15 can plug the opening to play an insulating protection role, so that the problem of poor insulating protection effect of the universal support in the prior art is solved.

Referring to fig. 2 and 5, the upper surface of the holder body 11 is recessed inward to form a groove 112, and the groove 112 is used to receive the terminal fixing bolt 4. Thus, the first leading-out terminal 2 and the second leading-out terminal 3 can be sequentially stacked on the upper surface of the support body 11, and the lower end of the terminal fixing bolt 4 is inserted into the groove 112, so that the upper surface of the support body 11 is used as a bearing surface, the accommodating cavity 13 formed between the support body 11 and the upper cover 12 is fully utilized, and the height of the upper cover 12 is reduced.

Referring to fig. 5, preferably, the flexible board 15 deforms toward the outside of the through opening 14, so as to prevent the flexible board 15 from interfering with the electrical connection portion inside the terminal insulating protection support 1 after being deformed by pressing.

Referring to fig. 3, specifically, the flexible baffle 15 includes a root portion 151, a deformation portion 152 and a blocking portion 153, which are connected in sequence, the root portion 151 is connected to the lower surface of the side wall of the upper cover 12 (that is, the root portion 151 is connected to a side wall of the through opening 14), the deformation portion 152 is connected between the root portion 151 and the blocking portion 153, the cross-sectional area of the deformation portion 152 is smaller than the cross-sectional areas of the root portion 151 and the blocking portion 153, and the free end of the blocking portion 153 is inclined toward the outer side of the through opening 14 and can be pressed by the leading-out terminal to drive the deformation portion 152 to deform. So, concentrate on deformation portion 152 with flexible baffle 15's deformation position, only need less pressure of supporting can order about its elastic deformation, avoid the tearing of root 151 and upper cover 12 junction that long-term the use leads to, and outwards the inclined shelter portion 153 outwards buckles that can be better when receiving leading-out terminal to support the pressure, increase the stability of this flexible baffle 15's directional deformation.

More particularly, the flexible baffle 15 is substantially in the shape of a single-bent plate, for example, an L shape with an included angle of two sides greater than 90 degrees, a weak region 154 is formed at the bent portion of the flexible baffle 15 by recessing the outer side surface toward the inner side surface, the weak region 154 may be in a V shape or a U shape or a single wave valley shape with a plurality of curved surfaces continuously transitioning, a deformation portion 152 is formed at the weak region 154, and a root portion 151 and a shielding portion 153 are formed at two sides of the weak region 154. So, utilize weak region 154 of outside-in sunken to constitute deformation portion 152, shielding portion 153 is receiving leading-out terminal to support to press and drive deformation portion 152 when deformation, forms the extrusion in weak region 154 department, and the stress of its deformation will disperse to whole weak region 154, avoids deformation stress concentration to lead to fatigue tearing.

Wherein, the flexible baffle 15 can be integrally formed by injection molding or plastic uptake; the flexible baffle 15 and the upper cover 12 can be welded and fixed, and can also be integrally formed.

Referring to fig. 2, in the embodiment, four corners of the upper cover 12 are respectively provided with a first connecting portion 121 protruding downward, four corners of the support body 11 are respectively provided with a second connecting portion 111 protruding upward, and the four first connecting portions 121 are respectively detachably connected with different second connecting portions 111. Specifically, the first connecting portion 121 is formed by extending a side wall of the upper cover 12 downward, and a fastening hole is formed in the first connecting portion 121; the upper surface of support body 11 is located suddenly to second connecting portion 111, and has on the second connecting portion 111 with card hole matched with fixture block, utilizes the cooperation of the joint between card hole and the fixture block in order to realize dismantling between first connecting portion 121 and the second connecting portion 111 and be connected, and then realizes dismantling between upper cover 12 and the support body 11 and be connected.

Of course, in other preferred embodiments, the first connection portion 121 and the second connection portion 111 may be connected by an interference plug-in fit between the pin and the pin hole, or may be connected by other known detachable connection methods, which is not limited in this disclosure.

Specifically, the through openings 14 are located between two adjacent first connection portions 121 and between two adjacent second connection portions 111, and at this time, the upper surface of the holder body 11, a lower edge of a side wall of the upper cover 12, the two first connection portions 121, and the two second connection portions 111 together enclose the through openings 14, that is, it is achieved that: a part of the main body space of the through opening 14 is located in the upper cover 12, and the other part is located in the holder body 11. Therefore, the height space required by the opening 14 is shared by the first connecting part 121 and the second connecting part 111, so that unstable factors such as easy deformation and the like caused by overlong one of the connecting parts are overcome.

Furthermore, the flexible baffle 15 is located between two adjacent first connecting portions 121, a gap 16 is arranged between the flexible baffle 15 and the first connecting portions 121, and the gap 16 is used to prevent stress concentration when the flexible baffle 15 is pressed, so that tearing of the flexible baffle 15 caused by long-term use is avoided.

Referring to fig. 6, in addition, the utility model also discloses a battery pack, including as above leading-out terminal and leading-out terminal insulation protection support 1, leading-out terminal passes the opening 14 and the part that lead-out terminal insulation protection support 1 is located the chamber 13 of accomodating of leading-out terminal insulation protection support 1, the flexible baffle 15 of leading-out terminal insulation protection support 1 supports and presses on leading-out terminal, and the medial surface of flexible baffle 15 is at least partially hugged closely on the surface of leading-out terminal (can also understand to be, flexible baffle 15 supports with leading-out terminal each other and presses, and make flexible baffle 15 produce elastic deformation, and then make the medial surface of flexible baffle 15 after the deformation at least part hug closely on the surface of leading-out terminal).

Specifically, this group battery includes two sets of battery units 5 and four and draws forth end insulation protection support 1, and two sets of battery units 5 all have two as the copper bar that converges of first leading-out terminal 2, and each draws forth and all wears to be equipped with one on the end insulation protection support 1 and converges the copper bar, wherein draw forth and be connected with one between the end insulation protection support 1 as the switching copper bar of second leading-out terminal 3, and other two are drawn forth end insulation protection support 1 and are connected with one respectively and draw forth the output copper bar of terminal 3 as the second.

In addition, the utility model also discloses a battery package, this battery package is used has foretell group battery.

Example 2

Referring to fig. 6 to 9, the present embodiment is different from embodiment 1 only in that: the flexible flapper 15 is mounted differently.

In this embodiment, the flexible baffle 15 is disposed on the support body 11, specifically, a flexible baffle 15 is disposed on each of three circumferential sides of the upper surface of the support body 11, the three flexible baffles 15 are disposed at the openings 14 on the front side, the left side, and the right side, respectively, a fixed baffle 113 is disposed on the other circumferential side of the upper surface of the support body 11, and the fixed baffle 113 is disposed at the opening 14 on the rear side. During the use, first leading-out terminal 2 passes through the opening 14 of rear side, and second leading-out terminal 3 passes the opening 14 on right side, and second leading-out terminal 3 supports and presses the flexible baffle 15 on right side and makes it produce elastic deformation, and two openings 14 on front side and left side need not to be qualified for the next round of competitions to make two flexible baffles 15 of these two places keep the original state in order to shutoff opening 14.

In this way, the flexible baffle 15 is disposed on the support body 11, so as to solve the problem of poor insulation protection effect of the universal support in the prior art as described in embodiment 1, and achieve the same technical effect as described in embodiment 1.

Referring to fig. 9, since the flexible flap 15 is disposed on the holder body 11, the root portion 151 of the flexible flap 15 is connected to a corner between the upper surface of the holder body 11 and the side surface of the holder body 11 according to the transition of the connection object.

As for other technical solutions and effects thereof, reference may be made to the description related to embodiment 1, and the description of the present embodiment is not repeated.

Further, the flexible baffle 15 is located between two adjacent second connecting portions 111, and a notch 16 is provided between the flexible baffle 15 and the second connecting portions 111, as described in embodiment 1, the notch 16 is used to prevent stress concentration when the flexible baffle 15 is pressed, thereby avoiding tearing of the flexible baffle 15 due to long-term use.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims (11)

1. An insulating protection support of leading-out terminal for battery pack, comprising:

a support body;

the upper cover covers the support body, a containing cavity for containing the leading-out terminal and at least two through holes for the leading-out terminal to pass through are formed between the upper cover and the support body, and different through holes are positioned on different side surfaces of the support body and/or the upper cover and are communicated with the containing cavity;

at least one of the through holes is provided with a flexible baffle, and at least part of the flexible baffle blocks the through hole and is pressed by the leading-out terminal to generate elastic deformation.

2. The terminal insulating protective support of claim 1, wherein the flexible flap is deformed toward an outside of the port.

3. The leading-out end insulating protective support seat according to claim 2, wherein the flexible baffle comprises a root portion, a deformation portion and a shielding portion which are sequentially connected, the root portion is connected to one side wall of the through opening, the deformation portion is connected between the root portion and the shielding portion, the cross-sectional area of the deformation portion is smaller than that of the root portion and that of the shielding portion, and a free end of the shielding portion faces the outer side of the through opening, inclines towards the outer side of the through opening and can be pressed by the leading-out terminal to drive the deformation portion to deform.

4. The insulation protection support for the leading-out end according to claim 3, wherein the flexible baffle is in a shape of a plate bent at one time, a weak area is formed at the bending position of the flexible baffle by sinking the outer side surface towards the inner side surface, the deformation part is formed at the weak area, and the root part and the shielding part are formed at two sides of the weak area.

5. The insulation protective support for the leading-out end according to claim 1, wherein the support body and the upper cover are rectangular, the through openings are four to be respectively located on four side surfaces of the support body and/or the upper cover, three of the through openings are respectively provided with one flexible baffle, and the other through opening is provided with a fixed baffle.

6. The terminal insulation protection support according to claim 1, wherein each corner of the top cover has a first connection portion protruding downward, each corner of the support body has a second connection portion protruding upward, the second connection portion being detachably connected to the first connection portion, and the through openings are located between two adjacent first connection portions and between two adjacent second connection portions.

7. The insulation protection support for the leading-out end according to claim 6, wherein the flexible baffle is arranged on the support body and located between two adjacent second connecting portions, and a gap is formed between the flexible baffle and the second connecting portions.

8. The insulation protection support for the leading-out end according to claim 6, wherein the flexible baffle is arranged on the upper cover and located between two adjacent first connecting portions, and a gap is arranged between the flexible baffle and the first connecting portions.

9. The terminal insulation protection holder according to any one of claims 1 to 8, wherein the upper surface of the holder body constitutes a bottom surface of the receiving cavity, and the upper surface of the holder body is recessed inward to form a groove for receiving a terminal fixing bolt.

10. A battery pack, comprising a leading-out terminal and the leading-out terminal insulation protection support according to any one of claims 1 to 9, wherein the leading-out terminal passes through the through hole of the leading-out terminal insulation protection support and is partially located in the receiving cavity of the leading-out terminal insulation protection support, the flexible baffle of the leading-out terminal insulation protection support is pressed against the leading-out terminal, and the inner side surface of the flexible baffle is at least partially closely attached to the surface of the leading-out terminal.

11. A battery pack characterized in that the battery pack according to claim 10 is applied.

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