CN217009430U - Extraction support for output electrode and battery device - Google Patents

Abstract

The disclosure relates to the technical field of batteries, and discloses a lead-out support of an output electrode and a battery device; the leading-out support comprises a support body and a detachable part; the support body can be clamped on a frame for accommodating the battery pack along a first direction, and the support body is used for protecting the output electrode; detachable portion detachably connects in drawing forth the support, and is located the output pole in the detachable portion of first direction and is close to one side of group battery, and output pole and group battery are kept apart to detachable portion insulation, and detachable portion dismantles the back support body and can follow the first direction and demolish. Under the condition that the leading-out support is aged and invalid, the detachable part can be directly detached, and then the support body is moved out along the first direction, so that the leading-out support is detached; the output pole does not need to be disassembled in the disassembling process, so the disassembling process is simple.

Description

Extraction support for output electrode and battery device

Technical Field

The disclosure relates to the technical field of batteries, in particular to a lead-out support of an output electrode and a battery device comprising the same.

Background

At present, new energy electric vehicles are more and more concerned by society, and become the development direction of future vehicles. The battery device is an important component in the electric automobile, and the design optimization of the battery device becomes an important item for the development of the electric automobile.

The leading-out support of the output electrode in the current battery device is easy to age and lose efficacy and needs to be replaced frequently, but the process of mounting and dismounting the leading-out support is complex.

It is noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure and therefore may include information that does not constitute prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

The present disclosure is directed to overcome the disadvantage of complicated mounting and dismounting processes of the lead-out support in the prior art, and provides a lead-out support of an output electrode, which has a simple mounting and dismounting process of the lead-out support, and a battery device including the same.

According to an aspect of the present disclosure, there is provided an extraction mount of an output pole, including:

the support body can be clamped on a frame for accommodating the battery pack along a first direction, and is used for protecting the output electrode;

the detachable portion is detachably connected to the leading-out support and located on one side, close to the battery pack, of the output pole in the first direction, the detachable portion is insulated and isolated from the output pole and the battery pack, and the support body can be detached in the first direction after the detachable portion is detached.

According to the leading-out support of the output electrode, the detachable part is located on one side, close to the battery pack, of the output electrode in the first direction, so that the detachable part can limit the support body in the first direction, and the support body is prevented from being separated from the support body in the first direction; due to the blocking of the output electrode, the leading-out support cannot be moved out along the first direction under the condition that the leading-out support is aged and failed; however, the detachable part is detachably connected with the leading-out support, so that the detachable part can be directly detached under the condition that the leading-out support is aged and invalid, and then the support body is moved out along the first direction to realize the detachment of the leading-out support; the output pole does not need to be disassembled in the disassembling process, so the disassembling process is simple.

According to another aspect of the present disclosure, there is provided a battery device including:

a frame;

the battery pack is arranged in the frame;

the output electrode is connected to the battery pack and used for transmitting the current of the battery pack;

the leading-out support is the leading-out support.

According to the battery device, the support body is clamped on the frame along the first direction, and the detachable part is located on one side, close to the battery pack, of the output electrode in the first direction, so that the detachable part can limit the support body in the first direction, and the support body is prevented from being separated from the support body along the first direction; due to the blocking of the output electrode, the leading-out support cannot be moved out along the first direction under the condition that the leading-out support is aged and failed; however, the detachable part is detachably connected with the leading-out support, so that the detachable part can be directly detached under the condition that the leading-out support is aged and failed, and then the support body is moved out along the first direction to realize the detachment of the leading-out support; the output electrode does not need to be disassembled in the disassembling process, so the disassembling process is simple; the disassembly and assembly efficiency of the battery device is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.

Fig. 1 is a schematic perspective view of an exemplary embodiment of a battery device according to the present disclosure.

Fig. 2 is a schematic perspective view of the connection between the end plate and the lead-out support and the output electrode in fig. 1.

Fig. 3 is a schematic perspective view of the output electrode in fig. 2.

Fig. 4 is a perspective view of the end plate of fig. 2.

Fig. 5 is a schematic perspective view of an exemplary embodiment of a lead-out support according to the present disclosure.

Fig. 6 is a schematic structural view of the back side of fig. 5.

Fig. 7 is a perspective view of another exemplary embodiment of a lead-out support of the present disclosure.

Fig. 8 is a perspective view of the stand body in fig. 7.

FIG. 9 is a perspective view of the removable portion of FIG. 7.

Fig. 10 is a schematic perspective view of the protective cover of fig. 1.

Description of reference numerals:

1. a frame; 11. an upper cover plate; 12. a side plate; 13. an end plate; 131. a groove; 132. an accommodation hole; 133. a second card slot;

2. an output electrode; 21. an output electrode leading-out terminal; 211. a first conductive plate; 212. a second conductive plate; 213. a third conductive plate; 214. a first through hole;

3. leading out the support;

31. a support body; 311. a base; 312. a first protective plate; 3121. a first step surface; 313. a second protective plate; 3131. a clamping hole; 314. a third protective plate; 315. clamping a rail; 316. a support surface; 317. a fourth protective plate; 318. clamping the strip; 319. fixing a column;

32. a detachable portion; 321. a baffle plate; 322. a first side plate; 3221. a second step surface; 3222. a first card slot; 323. a second side plate;

33. a weak structure; 331. a connecting plate;

34. a clamping structure; 341. a latch; 35. a threaded hole; 36. a first boss;

4. a protective cover; 41. a protective cover plate; 42. a first shield plate; 43. a second guard plate; 44. third through hole

X, a first direction; y, a second direction; z, third direction.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted. Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale.

Although relative terms, such as "upper" and "lower," may be used in this specification to describe one element of an icon relative to another, these terms are used in this specification for convenience only, e.g., in accordance with the orientation of the examples described in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.

The terms "a", "an", "the", "said" and "at least one" are used to indicate the presence of one or more elements/components/parts/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first," "second," and "third," etc. are used merely as labels, and are not limiting on the number of their objects.

The leading-out support 3 is fixed in a mode that plastic interference ribs extending along the third direction are arranged on the leading-out support 3, and the plastic interference ribs are in interference fit with the end plate 13 cavity to realize the fixation of the leading-out support 3; however, when the interference between the plastic interference rib and the cavity of the end plate 13 is large, the plastic interference rib cannot be assembled; under the condition that the interference magnitude between the plastic interference rib and the cavity of the end plate 13 is small, the limitation of the leading-out support 3 in the third direction cannot be realized, so that the leading-out support 3 is scrapped, and the cost is increased. Moreover, there is not other structures to draw forth support 3 in the third direction and carry on spacingly, only carry on spacingly through interference fit, after long-time the use, draw forth support 3 and can appear becoming flexible to lead to output utmost point 2 and electrically conductive row to appear rocking in the vibration process, draw forth support 3 even and can appear fatigue failure and need change. When the leading-out support 3 is replaced, the output electrode 2 and the conducting bar need to be removed first, and then the leading-out support 3 needs to be removed for replacement, so that the process is complex.

The disclosed example embodiment provides a lead-out support 3 of an output pole 2, which lead-out support 3 may include a support body 31 and a detachable portion 32, as shown with reference to fig. 1 to 10; the support body 31 can be clamped on a frame containing the battery pack along a first direction, and the support body 31 is used for protecting the output electrode 2; the detachable part 32 is detachably connected to the leading-out support 3, the detachable part 32 is located on one side, close to the battery pack, of the output pole 2 in the first direction X, the detachable part 32 insulates and isolates the output pole 2 from the battery pack, and the support body 31 can be detached along the first direction X after the detachable part 32 is detached.

Based on the same inventive concept, the disclosed example embodiments provide a battery device, which may include a frame 1, a battery pack, an output electrode 2, and a lead-out holder 3; the battery pack is arranged in the frame 1; the output electrode 2 is connected with the battery pack, and the output electrode 2 is used for transmitting the current of the battery pack; the lead holder 3 is the lead holder 3 described below.

According to the leading-out support 3 of the output electrode 2 and the battery device, the support body 31 is clamped on the frame 1 along the first direction X, and the detachable part 32 is positioned on one side, close to the battery pack, of the output electrode 2 in the first direction X, so that the detachable part 32 can limit the support body 31 in the first direction X, and the support body 31 is prevented from being separated from the battery device along the first direction X; due to the blocking of the output pole 2, it is not possible to move the outlet support 3 out in the first direction X in the event of ageing failure of the outlet support 3; however, the detachable portion 32 is detachably connected to the outlet support 3, so that, in the event of ageing failure of the outlet support 3, the detachable portion 32 can be directly detached, and then the support body 31 can be moved out in the first direction X to effect detachment of the outlet support 3; the output electrode 2 does not need to be disassembled in the disassembling process, so the disassembling process is simple; the disassembly and assembly efficiency of the battery device is improved.

The lead holder 3 is fitted in the battery device, and therefore, the lead holder 3 and the battery device will be described in detail below together.

The first direction X is an arrangement direction of the plurality of cells, the third direction Z is a height direction of the cells, and the second direction Y is a direction perpendicular to both the first direction X and the third direction Z.

Referring to fig. 1 and 2, the battery device may be a battery module, and the battery module may include a frame 1. The frame 1 may include an upper cover plate 11, two side plates 12 and two end plates 13, where the two side plates 12 are disposed opposite to each other, the two end plates 13 are disposed opposite to each other, and the upper cover plate 11, the two side plates 12 and the two end plates 13 enclose a chamber for installing a plurality of unit batteries. The plurality of unit cells are arranged along the first direction X to form a battery pack (not shown), and the battery pack is disposed in the chamber. The output ends of the plurality of unit cells are usually led out from the end plate 13 by the output electrode 2 for electrical connection. A wiring harness plate is arranged between the single battery and the upper cover plate 11, the output electrode 2 is welded and fixed with a pole fixed on the wiring harness plate, the output electrode 2 is arranged on the wiring harness plate, namely the output electrode 2 is arranged between the wiring harness plate and the upper cover plate 11, and the wiring harness plate is fixedly connected with the upper cover plate 11. Since the voltage of the battery module is usually 300V or more, and an electric shock accident may occur when the output electrode 2 comes into contact with the end plate 13, an insulator, such as the lead holder 3, needs to be provided between the output electrode 2 and the end plate 13.

Of course, in some other exemplary embodiments of the present disclosure, the bezel 1 may not include the upper cover plate 11 and the two side plates 12, i.e., the bezel 1 may include only the two end plates 13. Two end plates 13 are provided at both ends of the plurality of unit batteries in the first direction X, and then the two end plates 13 and the plurality of unit batteries are fixed together by a band. In another possible embodiment, the frame 1 may be an enclosure or an internal beam of a case in a battery pack. At this time, the battery pack is directly placed in the battery compartment formed by the enclosure frame and the inner beam.

In the present exemplary embodiment, as shown with reference to fig. 3, the output electrode 2 may include an output electrode body (not shown in the drawings) and an output electrode lead 21; the output pole body is fixed on the wiring harness board. The output electrode body is made of aluminum, the output electrode leading-out end 21 is made of aluminum substrate plated with copper, and the copper plating can improve the conductive capacity; set up output pole 2 to the components of a whole that can function independently structure including output pole body and output pole leading-out terminal 21, conveniently carry out different technology with output pole body and output pole leading-out terminal 21 and handle, the installation of the output pole 2 of being convenient for moreover reduces technology complexity.

Of course, in other exemplary embodiments of the present disclosure, the material of the output electrode lead 21 may be all copper, the material of the output electrode body is aluminum, the output electrode lead 21 and the output electrode body may be connected into a whole by friction stir welding, where friction stir welding refers to locally melting a welded material by using heat generated by friction between a welding tool rotating at a high speed and a workpiece, and when the welding tool moves forward along a welding interface, the plasticized material flows from the front portion of the welding tool to the rear portion under the action of rotational friction of the welding tool, and forms a dense solid-phase weld under the extrusion of the welding tool. The material of the output electrode leading-out end 21 and the output electrode body can also be other conductive materials, which are not described herein.

Referring to fig. 3, the output electrode lead 21 may include a first conductive plate 211, a second conductive plate 212, and two third conductive plates 213; the second conductive plate 212 is disposed parallel to the first conductive plate 211, the third conductive plate 213 may be disposed perpendicular to the first conductive plate 211 and the second conductive plate 212, and the third conductive plate 213 extends in the third direction Z. The output electrode 2 can be introduced to the side of the battery module through the third conductive plate 213 and connected at the side of the battery module, thereby preventing the increase in height of the battery module. The two third conductive plates 213 are connected between the first conductive plate 211 and the second conductive plate 212, and the first conductive plate 211 and the second conductive plate 212 are located at two opposite sides of the third conductive plate 213, that is, the third conductive plate 213 has a first end and a second end that are oppositely disposed, the first end is connected to the first conductive plate 211, the second end is connected to the second conductive plate 212, and the first conductive plate 211 and the second conductive plate 212 extend from the third conductive plate 213 to two opposite directions. Of course, in other example embodiments of the present disclosure, the output electrode 2 may be provided as an integral structure, for example, the first conductive plate 211 may not be provided, but a structure in which two third conductive plates 213 are directly connected to the output electrode body, and the second conductive plate 212 is connected to the two third conductive plates 213; also, the number of the third conductive plates 213 may be set to one or more.

The lead-out support 3 is used for protecting the output electrode 2, specifically supporting and insulating, and avoiding the contact between the output electrode 2 and the end plate 13.

Referring to fig. 2 and 4, in the present exemplary embodiment, a groove 131 is provided on a side of the end plate 13 close to the upper cover plate 11, the groove 131 extends along the first direction X, and a side of the groove 131 away from the inside of the bezel 1 in the first direction X is open, so that the lead support 3 can be inserted into the groove 131 along the first direction X; the grooves 131 do not penetrate the end plate 13, i.e., the end side plate of the end plate 13 on the side closer to the stack remains. Two receiving holes 132 are provided in the end side plate, and specifically, the receiving holes 132 may be through holes penetrating through the end side plate, the cross-sectional shape of the receiving holes 132 may be circular, and the two receiving holes 132 may be provided to prevent rotation. Of course, the receiving hole 132 may be a blind hole, and the cross-sectional shape of the receiving hole 132 may be a semi-oval shape, a trapezoid shape, various polygonal shapes, and the like, in which case, the receiving hole 132 may be provided as one.

Two second receiving portions are disposed on two side groove walls of the groove 131 in a one-to-one correspondence, and specifically, the second receiving portions may be second locking grooves 133, and the second locking grooves 133 extend along the first direction X. The end plate 13 is provided with a plurality of cavities, which can reduce the weight of the end plate 13 and ensure that the end plate 13 has sufficient strength, and the cavities cannot form the second engaging groove 133, therefore, the second engaging groove 133 is formed on the second end side plate 12 of the end plate 13 away from the battery pack, the second engaging groove 133 may be semi-cylindrical, that is, the cross-sectional shape of the second engaging groove 133 perpendicular to the extending direction is semi-circular, and the side of the second engaging groove 133 away from the battery pack is open, so that the engaging strip 318 on the base 311 can be inserted into the second engaging groove 133 along the first direction X from the opening. Of course, the cross-sectional shape of the second engaging groove 133 perpendicular to the extending direction may also be a semi-ellipse, a trapezoid, various polygons, and the like.

In the present exemplary embodiment, the holder body 31 and the detachable portion 32 are made of plastic and are insulators. The support body 31 is used for supporting the output electrode 2 and insulating and isolating part of the output electrode 2, and the support body 31 can insulate and isolate the output electrode 2 from the end plate 13, so that electric shock accidents caused by contact between the output electrode 2 and the end plate 13 are avoided.

Specifically, referring to fig. 5 to 8, the holder body 31 may include a base 311, a first protection plate 312, a second protection plate 313, and two third protection plates 314; the base 311 may be configured as a rectangular parallelepiped, that is, the base 311 has a first face and a second face oppositely disposed in the third direction Z, a third face and a fourth face oppositely disposed in the second direction Y, a fifth face and a sixth face oppositely disposed in the first direction X, the fifth face is closer to the battery than the sixth face, and the first face of the base 311 may be the supporting face 316.

Referring to fig. 1 and 2, a portion of the base 311 is positioned within the recess 131, and the second face of the base 311 is in contact with the groove bottom face of the recess 131. The outlet support 3 can be limited in the second direction Y by the recess 131.

In other example embodiments of the present disclosure, the groove 131 may not be provided, and the base 311 may be directly provided on an end surface of the end plate 13 on a side close to the upper cover plate 11.

Two fixing columns 319 are arranged on the fifth surface of the base 311, the fixing columns 319 are cylindrical, the fixing columns 319 extend along the first direction X, the two fixing columns 319 are correspondingly inserted into the two accommodating holes 132, and the fixing columns 319 and the accommodating holes 132 can be in interference fit; the lead-out support 3 is further fixed by the fixing post 319 and the accommodating hole 132, and the fixing strength of the lead-out support 3 is increased. The leading-out bracket 3 can be restrained in the second direction Y and the third direction Z and in the first direction toward the battery pack side by the fixing posts 319 and the accommodation holes 132. The fixing post 319 is not easy to damage, and the leading-out support 3 is not easy to loose. Of course, in the case where the cross-sectional shape of the receiving hole 132 perpendicular to the extending direction is set to be a semi-ellipse, a trapezoid, various polygons, and the like, correspondingly, the cross-sectional shape of the fixing post 319 perpendicular to the extending direction is also set to be a semi-ellipse, a trapezoid, various polygons, and the like.

Two clamping strips 318 are correspondingly arranged on the third surface and the fourth surface of the base 311 one by one, the clamping strips 318 are semi-cylindrical, the clamping strips 318 extend along the first direction X, and the clamping strips 318 are clamped in the second clamping groove 133. The lead-out support 3 is further fixed by clamping the second clamping groove 133 through the clamping strip 318, and the fixing strength of the lead-out support 3 is increased. The leading-out support 3 can be limited in the second direction Y and the third direction Z by the clamping strip 318 clamping the second clamping groove 133. Of course, in the case where the cross-sectional shape of the second card slot 133 perpendicular to the extending direction is set to be a half ellipse, a trapezoid, various polygons, and the like, correspondingly, the cross-sectional shape of the card strip 318 perpendicular to the extending direction is also set to be a half ellipse, a trapezoid, various polygons, and the like.

Through the double limiting of the fixing column 319 and the accommodating hole 132 as well as the clamping strip 318 and the second clamping groove 133, the fixing column 319, the accommodating hole 132, the clamping strip 318 and the second clamping groove 133 are less prone to damage, and the leading-out support 3 is less prone to loosening.

It should be noted that the number of the card strip 318, the fixing post 319, the accommodating hole 132 and the second card slot 133 can be set as required.

Of course, in other example embodiments of the present disclosure, only the receiving hole 132 and the fixing post 319 may be provided without the second card slot 133 and the card strip 318; instead of the receiving hole 132 and the fixing post 319, only the second card slot 133 and the card strip 318 may be provided. Also, the limit of the lead-out support 3 in the second direction Y and the third direction Z, and the side of the first direction X can be realized.

Of course, in other exemplary embodiments of the present disclosure, two clamping strips may be disposed on two side groove walls of the groove 131 in a one-to-one correspondence manner, and correspondingly, two second clamping grooves are disposed on a third surface and a fourth surface of the base 311 in a one-to-one correspondence manner, and the clamping strips are clamped in the second clamping grooves.

When the leading-out support 3 is installed, firstly, the base 311 is inserted into the groove 131 from the side of the groove 131 far away from the battery, and meanwhile, the fixing column 319 is inserted into the accommodating hole 132, and the clamping strip 318 is clamped into the second clamping groove 133; then, the output electrode lead-out terminal 21 is fixed to the base 311; and finally, welding and fixing the output electrode body and the output electrode leading-out end 21.

Referring to fig. 5 to 8, in the present exemplary embodiment, a first protection plate 312 and a second protection plate 313 are connected in one-to-one correspondence to both sides of the support surface 316 of the base 311 near both groove walls, the first protection plate 312 is disposed perpendicular to the support surface 316 (first surface), and the second protection plate 313 is disposed perpendicular to the support surface 316 (first surface) such that the first protection plate 312 and the second protection plate 313 are parallel to each other and both are parallel to the first direction X.

Referring to fig. 5 to 6, a detachable portion 32 is disposed on a side of a supporting surface 316 (a first surface) of the base 311 close to the battery, the detachable portion 32 may include a blocking plate 321, the blocking plate 321 may be detachably connected between the first protection plate 312 and the second protection plate 313, specifically, a weak structure 33 is connected between the blocking plate 321 and the first protection plate 312 and the second protection plate 313, the weak structure 33 may include a plurality of connection plates 331, the plurality of connection plates 331 are disposed at intervals, the connection plates 331 are perpendicular to the blocking plate 321, one end of a portion of the connection plates 331 is connected to the first protection plate 312, and the other end is connected to the blocking plate 321; the other part of the connection plate 331 has one end connected to the second protection plate 313 and the other end connected to the barrier 321. The connecting plate 331 has a small thickness and can be broken by force, so that the plate 321 is detachably connected between the first protection plate 312 and the second protection plate 313.

Of course, in other example embodiments of the present disclosure, the weak structure 33 may also include scores, which are disposed between the baffle 321 and the first protection plate 312, and between the baffle 321 and the second protection plate 313. The weak structure 33 may further include a connection portion, which is provided in a plate shape and is parallel to the first protection plate 312; the thickness of the connecting portion is smaller than the thickness of the first protective plate 312 and the second protective plate 313, the thickness of the connecting portion is thin, a connecting portion is connected between the barrier 321 and the first protective plate 312, and a connecting portion is also connected between the barrier 321 and the second protective plate 313.

In the case where the lead-out support 3 is damaged, the weak structure 33 may be broken, so that the detachable portion 32 is separated from the support body 31, the detachable portion 32 is pulled out along the gap between the output electrode 2 and the battery pack, the support body 31 is pulled out from the recess 131 in the first direction X, and the detachment of the lead-out support 3 is completed.

Referring to fig. 7 and 8, the width of the second protection plate 313 in the first direction X is greater than the width of the first protection plate 312 in the first direction X, so that a gap between the second protection plate 313 and the battery pack in the first direction X is smaller than a gap between the first protection plate 312 and the battery pack. The gap between the first protection plate 312 and the battery pack may provide a guide function for the installation and removal of the barrier 321.

A tap 3131 is provided at an edge portion of the second protection plate 313 near the battery pack, and the tap 3131 may be provided in a long shape extending in the third direction Z.

A latch 341 is disposed on an end surface of the blocking plate 321 close to the second protection plate 313, and the latch 341 can be inserted into the latch hole 3131 to detachably connect the blocking plate 321 and the first protection plate 312. Specifically, the latch 341 may include a flat plate portion connected to the stopper 321 and an engaging portion connected to the flat plate portion. The section of the engaging portion parallel to the support surface 316 is trapezoidal, and the engaging portion has a structure in which the thickness increases as the distance from the flat plate portion decreases.

In case of damage to the lead-out support 3, the latch structure 34 may be opened, i.e. the latch 341 is pulled to disengage from the latch hole 3131, so that the detachable portion 32 is separated from the support body 31, and then the detachable portion 32 is pulled out along the gap between the output electrode 2 and the battery pack, and the support body 31 is pulled out from the groove 131 along the first direction X, so as to complete the detachment of the lead-out support 3. A new holder body 31 is inserted into the groove 131 in the first direction X, a new detachable portion 32 is inserted into the gap between the output electrode 2 and the battery pack, and finally the latch 341 is inserted into the latch hole 3131, completing the installation of the new lead holder 3. The output electrode 2 does not need to be dismounted in the dismounting and mounting processes, so that the mounting and dismounting processes are simple and the efficiency is high.

Referring to fig. 9, the exemplary embodiment is substantially the same in structure as the previous exemplary embodiment except that: the detachable portion 32 may further include a first side plate 322 and a second side plate 323 that are oppositely disposed; the second side plate 323 is arranged at one side of the baffle 321, and the second side plate 323 is detachably connected with the second protective plate 313 through a clamping structure 34; the latch structure 34 has been described in detail above, and therefore, will not be described in detail here. Note that, in the present exemplary embodiment, the latch 341 is disposed on a side of the second side plate 323 away from the first side plate 322.

The first side plate 322 is disposed on the opposite side of the baffle 321 and abuts against the first protection plate 312, and the width of the first side plate 322 in the first direction X is greater than the width of the second side plate 323 in the first direction X, so that the second side plate 323 can smoothly pass through the gap between the first protection plate 312 and the battery pack, but the first side plate 322 cannot pass through the gap between the first protection plate 312 and the battery pack but abuts against the first protection plate 312.

Further, referring to fig. 7 to 9, an end surface of the first protection plate 312 close to the first side plate 322 is provided with a first step surface 3121, and the first step surface 3121 is a step surface with a low outer part and a high inner part; the end surface of the first side plate 322 close to the first protection plate 312 is provided with a second step surface 3221 engaged with the first step surface 3121, and the second step surface 3221 is a step surface with a high outer part and a low inner part. Through the engagement of the first step surface 3121 and the second step surface 3221, the detachable portion 32 can be further positioned, and the shaking of the detachable portion 32 can be avoided.

Further, a first clamping groove 3222 extending along the second direction Y is disposed on the first side plate 322, the leading-out support 3 may further include a clamping rail 315, the clamping rail 315 is disposed on the support body 31 and extends along the second direction Y, and the clamping rail 315 is fitted in the first clamping groove 3222.

Specifically, one end of the first side plate 322 close to the base 311 protrudes from the baffle 321 and the second side plate 323 to form a protruding end, a first engaging groove 3222 is disposed at the protruding end of the first side plate 322 and on the side close to the battery pack, and the first engaging groove 3222 extends in the second direction Y.

A fourth protection plate 317 is disposed on a side of the supporting surface 316 (the first surface) of the base 311 close to the battery pack, the fourth protection plate 317 is disposed perpendicular to the supporting surface 316 (the first surface), a height of the fourth protection plate 317 is smaller than a height of the first protection plate 312, a clamping rail 315 is disposed on a side of the fourth protection plate 317 far away from the battery pack, and the clamping rail 315 extends along the second direction Y. After the detachable portion 32 is mounted in place, the rail 315 is engaged in the first engaging groove 3222, and the other end of the detachable portion 32 is further positioned.

In addition, in other exemplary embodiments of the present disclosure, the card rail 315 may be directly disposed on the supporting surface 316 of the base 311, and correspondingly, the first card slot 3222 may be disposed at an end of the first side plate 322 close to the base 311.

In case of damage to the lead-out support 3, the latch structure 34 can be opened, i.e. the latch 341 is pulled out of the latch hole 3131, so that the detachable portion 32 is separated from the support body 31, and then the detachable portion 32 is pulled out along the gap between the output pole 2 and the battery pack, and the support body 31 is pulled out of the groove 131 along the first direction X, so as to complete the detachment of the lead-out support 3. A new support body 31 is inserted into the groove 131 along the first direction X, a new detachable portion 32 is inserted into the gap between the output pole 2 and the battery pack, and finally the latch 341 is inserted into the latch hole 3131, and the latch rail 315 fits into the first latch groove 3222, thereby completing the installation of the new leading-out support 3. The output pole 2 does not need to be dismounted in the dismounting and mounting processes, so that the mounting and dismounting processes are simple and the efficiency is high.

Referring to fig. 7 to 8, two third protection plates 314 are connected to a side of a supporting surface 316 (first surface) of the base 311 away from the battery pack, the third protection plates 314 are disposed perpendicular to the supporting surface 316 (first surface), the two third protection plates 314 are disposed at intervals, the two third protection plates 314 are connected to the second protection plate 313 and the first protection plate 312 in a one-to-one correspondence, and the fourth protection plate 317 is disposed in parallel with the two third protection plates 314.

The first protection plate 312 and the second protection plate 313 include a slope and a flat surface on the side away from the base 311, and the portion away from the battery pack is a slope.

A screw hole 35 penetrating the support surface 316 is provided in the base 311, and a first through hole 214 is provided in the output electrode lead-out terminal 21 of the output electrode 2; after the output electrode 2 is mounted on the base 311, the bolt is inserted through the first through hole 214 and screwed into the screw hole 35, thereby fixing the output electrode 2 to the base 311.

When a plurality of battery modules need to be electrically connected or the battery modules need to be connected with an external device, the bolts are detached, then the connecting pieces for connecting the plurality of battery modules or the external device are installed on the output electrode leading-out end 21, through holes are formed in the connecting pieces, the bolts sequentially penetrate through the through holes in the connecting pieces and the first through holes 214 and are in threaded fit in the threaded holes 35, and therefore the connecting pieces, the output electrode 2 and the base 311 are fixed, and current can be output to the outside through the connecting pieces.

The first protection plate 312 and the second protection plate 313 are provided with first bosses 36 on inner side surfaces thereof, and one surface of the first boss 36 away from the base 311 is provided with an inclined surface or an arc surface.

Referring to fig. 1 and 10, the battery device may further include a protective cover 4, and the protective cover 4 may include a protective cover plate 41, a first protective plate 42, and two second protective plates 43, the first protective plate 42 being connected to the protective cover plate 41, and the two second protective plates 43 also being connected to the protective cover plate 41; and two second prevention plates 43 are connected to opposite ends of the first prevention plate 42. The protective cover 41, the first protection plate 42 and the two second protection plates 43 form a receiving cavity around them. The protective cover 4 covers the leading-out support 3, the first protective plate 42 is attached to the two third protective plates 314, and the two second protective plates 43 are attached to the first protective plate 312 and the second protective plate 313.

The outer side surfaces of the lower ends of the two second shielding plates 43 are provided with third through holes 44. When the protective cover 4 is covered on the leading-out support 3, the lower ends of the two second protective plates 43 are inserted between the first protective plate 312 and the second protective plate 313 of the leading-out support 3, and the third through hole 44 is clamped with the first boss 36, so that the protective cover 4 is fixed with the leading-out support 3, the protective cover 4 and the leading-out support 3 form a relatively closed accommodating space, the output electrode leading-out end 21 is arranged in the closed accommodating space, the output electrode leading-out end 21 is subjected to omnibearing insulation and isolation, and the electric shock accident caused by the contact of the output electrode leading-out end 21 with other parts is avoided.

The battery device can be a battery module or a battery pack.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims (11)

1. An extraction support for an output pole, comprising:

the support body can be clamped on a frame for accommodating the battery pack along a first direction, and is used for protecting the output electrode;

the detachable portion is detachably connected to the leading-out support and located in the first direction, the output pole is close to one side of the battery pack, the detachable portion is insulated and isolated, the output pole and the battery pack are isolated, and the support body can be detached in the first direction after the detachable portion is detached.

2. The extraction mount of an output pole of claim 1, further comprising:

a weakened structure connected between the removable portion and the holder body to removably connect the removable portion to the outlet holder.

3. The extraction mount of an output pole of claim 1, further comprising:

and the clamping structure is connected between the detachable part and the support body, so that the detachable part is detachably connected with the leading-out support.

4. The extraction mount of an output pole of claim 1, wherein the mount body comprises:

the base is provided with a supporting surface, and one surface of the output electrode is attached to the supporting surface;

the first protection plate is connected to one side of the base and is perpendicular to the supporting surface, and the first protection plate is parallel to the first direction;

the second protection plate is connected to the opposite side of the base and arranged in parallel with the first protection plate.

5. The extraction support of an output pole according to claim 4, characterized in that said detachable portion comprises:

a baffle detachably connected between the first protection plate and the second protection plate.

6. The extraction support of an output pole of claim 5, wherein the width of the second protective plate in the first direction is greater than the width of the first protective plate in the first direction.

7. The extraction mount of an output pole according to claim 6, wherein the detachable portion further comprises:

the first side plate is arranged on one side of the baffle and is abutted against the first protection plate;

the second curb plate is located the relative opposite side of baffle, and with the second protection shield passes through joint structure detachably and connects, the second curb plate is in the width of first direction is less than the first curb plate is in the width of first direction.

8. The extraction holder of an output electrode as set forth in claim 7, wherein the end surface of the first protection plate adjacent to the first side plate is provided as a first step surface, and the end surface of the first side plate adjacent to the first protection plate is provided as a second step surface fitted with the first step surface.

9. The extraction support of an output pole according to claim 7, wherein a first slot extending in a second direction is provided on the first side plate, the extraction support further comprising:

the clamping rail is arranged on the support body and extends along the second direction, and the clamping rail is matched in the first clamping groove.

10. The extraction support of an output pole according to claim 4, wherein the frame is provided with a receiving hole and/or a second locking groove extending in a first direction, and the extraction support further comprises:

the fixing column is arranged on the base and is matched in the accommodating hole along a first direction; and/or

The clamping strip is arranged on the base and matched in the second clamping groove along the first direction.

11. A battery device, comprising:

a frame;

the battery pack is arranged in the frame;

the output electrode is connected to the battery pack and used for transmitting the current of the battery pack;

the lead-out support is the lead-out support of any one of claims 1 to 10.

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