CN215732086U - Connecting piece - Google Patents

Abstract

The utility model provides a connecting piece, which is used for connecting a battery pack and a battery pack cavity, wherein the battery pack is arranged on the connecting piece; the connecting piece is arranged in the battery pack cavity; the battery pack is provided with a battery pack terminal; a battery pack cavity terminal is arranged in the battery pack cavity; the connecting piece includes: a body and a terminal part; the terminal part is arranged on the body and comprises a first terminal and a second terminal, the first terminal is electrically connected with the battery pack terminal, the second terminal is electrically connected with the battery pack cavity terminal, and the first terminal and the second terminal are electrically connected. The utility model can solve the problem that the battery pack connecting structure in the existing battery pack cavity is fixed on the wall body of the battery pack cavity and needs to be replaced together with the battery pack cavity after being damaged, so that the cost is high; and can realize that the battery package of different specifications can be laid in same battery package intracavity: when the specification of the battery pack needs to be changed, only the connecting piece of the battery pack with the target specification needs to be installed in the battery pack cavity.

Description

Connecting piece

Technical Field

The utility model relates to the field of power supplies, in particular to a connecting piece.

Background

With the improvement of living standards and the improvement of science and technology of people, garden tools, electric tools, household appliances and the like with independent power supplies are gradually favored by people. The independent power supply generally adopts a plurality of battery packs to supply power: a plurality of battery packs are placed in the battery pack cavities, and then the battery pack cavities are mounted to corresponding equipment to provide power sources. To the most fixed mounting of current battery package in battery package intracavity portion, this just leads to battery package impaired or battery package chamber impaired back, all needs wholly to change, and its replacement cost is higher. In addition, because the battery package shape size and the fixed mode of different models are all inequality, in order to satisfy the different battery package of machine installation, need develop different battery package chambeies and fix the battery package that matches corresponding model when the design, this not only can make the expense of developing the mould improve by a wide margin, still can make the production line because incessantly switch over the battery package chamber and lead to the also increase of time cost.

SUMMERY OF THE UTILITY MODEL

In view of the above disadvantages of the prior art, an object of the present invention is to provide a connecting member for connecting a battery pack and a battery pack cavity, so as to solve the problem that the battery pack connecting structure in the battery pack cavity is fixedly disposed on a wall body of the battery pack cavity, and needs to be replaced together with the battery pack cavity after being damaged, which is costly.

To achieve the above and other related objects, the present invention provides a connecting member for connecting a battery pack to a battery pack cavity, wherein the battery pack is mounted on the connecting member; the connecting piece is arranged in the battery pack cavity; the battery pack is provided with a battery pack terminal; a battery pack cavity terminal is arranged in the battery pack cavity; the connecting piece includes: a body and a terminal part; the terminal part is arranged on the body and comprises a first terminal and a second terminal, the first terminal is electrically connected with the battery pack terminal, the second terminal is electrically connected with the battery pack cavity terminal, and the first terminal and the second terminal are electrically connected.

In one embodiment of the present invention, the first terminal and the second terminal are of the same terminal type.

In one embodiment of the present invention, the first terminal and the second terminal are different in terminal type.

In an embodiment of the present invention, the first terminal and the second terminal are integrally formed.

In one embodiment of the present invention, the first terminal is detachably connected to the second terminal.

In one embodiment of the present invention, the method further includes: a connecting part and a first guide groove; the connecting part is arranged on the body and is detachably connected with the battery pack cavity; the first guide slot is arranged on the body and is matched with the first guide rail on the battery pack.

In one embodiment of the utility model, the connecting portion is slidably mounted to the interior of the battery pack cavity. The sliding installation is easy to realize, the installation is convenient, and the design cost and the production cost are favorably reduced.

In an embodiment of the present invention, the connecting portion includes two second guide grooves, and the two second guide grooves are disposed on the body in parallel. The second guide groove is simple in structure and excellent in sliding effect, can be made into an integrally formed structure, and is beneficial to reduction of production cost and improvement of production efficiency.

In an embodiment of the present invention, one end of the second guide groove is a closed end. The blind end not only can play dustproof effect, still possesses limit function simultaneously to make the staff when the slidable mounting connecting piece, need not to notice the slip displacement, only need with the second guide slot slide to end can, and do benefit to and realize quick installation.

In an embodiment of the utility model, the connecting portion includes a mounting component and is located on a side of the body facing away from the battery pack. The mounting assembly is used for mounting the connecting piece in the battery pack cavity, and is favorable for improving the firmness of the connecting piece in the battery pack cavity so as to be favorable for preventing the battery pack from shaking in the battery pack cavity.

In one embodiment of the utility model, the mounting assembly comprises at least two mounting blocks, and mounting holes are formed in the mounting blocks. Fixing bolt or other fixed part can be fixed in the inside in battery package chamber through the mounting hole with the connecting piece to guarantee that the connecting piece can not take place relative displacement with battery package chamber, and then guarantee that the battery package can not take place to rock at battery package intracavity.

In an embodiment of the present invention, the body is provided with a locking hole for locking the battery pack. The buckle on card hole and the battery package matches and uses, does benefit to the fastness that increases between battery package and the connecting piece.

In an embodiment of the utility model, the end of the body is provided with a protective cover, and the second terminal is located in the protective cover. The protective cover is used for protecting the second terminal, so that the second terminal is prevented from being damaged by external force, and the service life of the connecting piece is prolonged; meanwhile, the protective cover can further enable the second terminal to be insulated from the outside, so that the safety in the installation process is improved.

In an embodiment of the present invention, the first guide groove is provided with a plurality of heat dissipation through holes. The heat dissipation through hole can increase the heat dispersion of battery package, can reduce the whole weight of connecting piece again, reduces the required consumptive material of connecting piece, does benefit to reduction in production cost.

In an embodiment of the present invention, a base is disposed at an end of the first guide groove, a part of the terminal portion is embedded in the base, and the rest is exposed outside the base. The base has increased the lifting surface area of tip to make the connecting piece have better bearing effect to the battery package.

In summary, the utility model provides a connecting piece for connecting a battery pack and a battery pack cavity, the connecting piece is detachably connected with the battery pack cavity, when the battery pack needs to be replaced, the connecting piece is installed in the battery pack cavity, and then the battery pack is installed on the connecting piece, the connecting piece does not need to be taken out of the battery pack cavity for the battery packs with the same specification, the plugging times of terminals of the battery pack cavity in the battery pack cavity are reduced, the service life of the battery pack cavity can be prolonged, in addition, when the specification of the battery pack needs to be replaced, the installation of the battery packs with different specifications in the same battery pack cavity can be realized by replacing different connecting pieces, and therefore, the design and the production cost of the battery pack cavity are greatly saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a battery pack cavity according to an embodiment of the utility model;

FIG. 2 is a schematic structural diagram of a battery pack according to an embodiment of the present invention;

FIG. 3 is an elevation view of one embodiment of a connector of the present invention;

FIG. 4 is an assembly view of a battery pack and a connector according to one embodiment of the present invention;

FIG. 5 is a schematic three-dimensional structure of a connector according to an embodiment of the present invention;

FIG. 6 is a schematic three-dimensional structure of a connector according to another embodiment of the present invention;

fig. 7 is a structural view of a terminal part according to an embodiment of the present invention;

fig. 8 is a structural view of a terminal part according to another embodiment of the present invention;

fig. 9 is a schematic structural diagram of a connection terminal according to an embodiment of the utility model.

Description of the element reference numerals

1. A battery pack cavity; 2. a battery pack cavity terminal; 3. a battery pack; 4. a first guide rail; 5. a battery pack terminal; 6. a connecting member; 7. a body; 8. a first guide groove; 9. a terminal portion; 91. a first terminal; 92. a second terminal; 901. a first terminal portion; 902. a second terminal portion; 903. a third terminal portion; 10. a connecting portion; 101. a second guide groove; 102. mounting the component; 11. a base; 111. a protective cover; 12. a charged body protective shell; 13. a wiring terminal; 131. a wiring portion; 132. a socket portion; 14. a connector mounting base; 141. a second guide rail; 142. a fixing member; 15. a heat dissipating through hole; 16. buckling; 17. and (6) clamping the hole.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. In the following embodiments, features of the embodiments may be combined with each other without conflict. It is also to be understood that the terminology used in the description of the embodiments of the utility model herein is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following embodiments are generally performed under conventional conditions or conditions recommended by each manufacturer.

Please refer to fig. 1 to 9. It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Referring to fig. 1 to 4, an object of the present invention is to provide a connecting member for connecting a battery pack and a battery pack cavity, so as to solve the problem that a battery pack connecting structure in a battery pack cavity is fixed on a wall body of the battery pack cavity, and needs to be replaced together with the battery pack cavity after being damaged, which is costly. The connecting piece 6 is arranged inside the battery pack cavity 1; the battery pack 3 is provided with a battery pack terminal 5; a battery pack cavity terminal 2 is arranged in the battery pack cavity 1; the connecting member 6 includes: a main body 7 and a terminal portion 9; the terminal portion 9 is disposed on the body 7 and includes a first terminal 91 and a second terminal 92, the first terminal 91 is electrically connected to the battery pack terminal 5, the second terminal 92 is electrically connected to the battery pack cavity terminal 2, and the first terminal 91 and the second terminal 92 are electrically connected.

At least one of the mounting modes between the battery pack cavity 1 and the connecting piece 6 and the mounting mode between the battery pack 3 and the connecting piece 6 is detachable. In one embodiment of the present invention, the battery pack 3 is detachably mounted on the connecting member 6; the connecting piece 6 is detachably arranged inside the battery pack cavity 1. Therefore, the utility model can realize that the battery packs with different specifications can be placed in the same battery pack cavity: when the specification of the battery pack needs to be changed, only the connecting piece of the battery pack with the target specification needs to be installed in the cavity of the battery pack; thereby greatly saving the design of the battery pack cavity and the production cost.

In one embodiment of the present invention, the first terminals 91 and the second terminals 92 have the same terminal type. For example, the first terminal and the second terminal are both male terminals, and the battery pack terminal and the battery pack cavity terminal are both female terminals; or the first terminal and the second terminal are both female terminals, and the battery pack terminal and the battery pack cavity terminal are male terminals. When the first terminal and the second terminal are both male terminals, they may be tab terminals.

In an embodiment of the present invention, the first terminal and the second terminal are integrally formed. The integrated into one piece structure is convenient for process, and can effectively reduce the resistance between first terminal and the second terminal, can effectively prevent that terminal part from sending out and scalding.

Referring to fig. 5 and 7, in an embodiment of the present invention, three terminal portions 9 are disposed on the base 11: a first terminal portion 901, a second terminal portion 902, and a third terminal portion 903, respectively. The number of pins of the first terminal 91 is not limited in the present invention.

Referring to fig. 7, in an embodiment of the present invention, a specific structure of the first terminal portion 901 is as follows: the first terminal 91 of the first terminal portion is connected to the second terminal 92 by a bending portion, the first terminal has two terminal pins, and a supporting portion is disposed between the two terminal pins and used for supporting the terminal pins. The first terminal portion 901 and the third terminal portion 903 are symmetrical in structure. And the first terminal 91 and the second terminal 92 of the second terminal portion 902 may be located on the same plane.

Referring to fig. 8, in an embodiment of the present invention, a specific structure of the first terminal portion 901 is as follows: the first terminal 91 and the second terminal 92 of the first terminal portion 901 are connected by a bent portion, and both the first terminal and the second terminal of the first terminal portion are a terminal pin. The first terminal portion 901 coincides with the second terminal portion 902; the first terminal portion 901 and the third terminal portion 903 are symmetrical in structure.

In one embodiment of the present invention, the first terminal and the second terminal are different in terminal type. For example, the first terminal is a male terminal, the battery pack terminal is a female terminal, the second terminal is a female terminal, and the battery pack cavity terminal is a male terminal; or the first terminal is a female terminal, the battery pack terminal is a male terminal, the second terminal is a male terminal, and the battery pack cavity is a female terminal.

In one embodiment of the present invention, the first terminal is detachably connected to the second terminal. The first terminal and the second terminal are detachably connected, so that the connecting piece is higher in applicability. For example, the terminal types of the battery pack manufactured by different specifications or different manufacturers are different, and the replacement of the battery pack can be realized by replacing the terminal type of the first terminal.

In one embodiment of the present invention, the connecting member 6 further includes: 10 connecting part and first guide groove 8; the connecting part 10 is arranged on the body 7 and is detachably connected with the battery pack cavity 1; on body 7 was located to first guide slot 8, be provided with first guide rail 4 on the battery package 3, first guide rail 4 and first guide slot 8 phase-match to realize that battery package 3 demountable installation is on connecting piece 6.

Referring to fig. 5 and 6, in order to adapt to battery packs with different specifications, the shape of the first guide groove 8 is not limited, and may be any shape that fits with the first guide rail 4 on the battery pack.

Referring to fig. 5, in an embodiment of the present invention, the connecting portion 10 is slidably mounted inside the battery pack cavity. The sliding installation is easy to realize, the installation is convenient, and the design cost and the production cost are favorably reduced. For example, the connecting portion 10 includes two second guide grooves 101, the two second guide grooves 101 are disposed on the body 7 in parallel, the two second guide grooves 101 are disposed on the left and right sides of the body 7 respectively, the second guide grooves 101 are simple in structure, excellent in sliding effect, and capable of being formed into an integrally formed structure, thereby facilitating reduction of production cost and improvement of production efficiency. In order to facilitate installation and later cleaning, one end part of the second guide groove 101 is a closed end so as to play a role in limiting and preventing dust. The other end of the second guide groove 101 is an open end. The second guide groove 101 includes a front wall and a rear wall, and a gap is left between the front wall and the rear wall to form a slide way. The blind end not only can play dustproof effect, still possesses limit function simultaneously to make the staff when the slidable mounting connecting piece, need not to notice the slip displacement, only need with the second guide slot slide to end can, and do benefit to and realize quick installation.

Referring to fig. 1, a connector mounting seat 14 is disposed inside the battery pack cavity 1, and the connector 6 is detachably mounted on the connector mounting seat 14 through a connecting portion 10. The connector mount 14 includes a second rail 141, and the connecting portion 10 is slidably mounted to the second rail 141. The second rail 141 is slidably coupled to the connecting portion 10 to allow the connecting member 10 to be slidably mounted inside the housing chamber 1. The second guide rail 14 includes: at least two rail bodies, at least two rail bodies parallel arrangement are on the inner wall in battery package chamber 1, rail body and second guide slot 101 phase-match, and second guide slot 101 is installed to the rail body on to can slide from top to bottom. The second guide rail is simple in structure and convenient to process, and the second guide rail and the inner wall of the battery pack cavity can be of an integrally formed structure.

Referring to fig. 4, in an embodiment of the present invention, the connecting portion 10 includes a mounting assembly 102, and the body is mounted inside the battery pack cavity 1 through the mounting assembly 102. The mounting assembly 102 is used for mounting the connecting member 6 inside the battery pack cavity 1, and is beneficial to improving the firmness of the connecting member 6 in the battery pack cavity 1, so as to be beneficial to preventing the battery pack 3 from shaking in the battery pack cavity 1.

In one embodiment of the present invention, the mounting assembly 102 includes at least two mounting blocks, and the mounting blocks have mounting holes formed therein. Fixing bolt or other fixed part can be fixed in the inside in battery package chamber through the mounting hole with the connecting piece to guarantee that the connecting piece can not take place relative displacement with battery package chamber, and then guarantee that the battery package can not take place to rock at battery package intracavity.

Referring to fig. 1, the connector mounting seat 14 in the battery pack cavity 1 further includes a fixing member 142, and the mounting block is connected and fixed to the fixing member 142. The fixing member 142 is used to fix the connecting member: after the connecting piece 6 slides to the right place, the connecting piece 6 is fixed on the fixing piece 142 to prevent the connecting piece 6 from shaking in the battery pack cavity 1, so that the relative movement between the terminal part and the battery pack cavity terminal in the power supply process is avoided, and the power supply stability is ensured.

Referring to fig. 1, the fixing member 142 includes: the two columns are arranged in the battery pack cavity in parallel, for example, one end of each column is fixed at the bottom of the battery pack cavity, the other end of each column extends upwards from the bottom to the position close to the cavity opening of the battery pack cavity, and a threaded hole is formed in each column; the fixing bolt penetrates through the mounting hole and the threaded hole to fix the connecting piece inside the battery pack cavity. The column body and the bottom of the placing cavity can be of an integrally formed structure. The cylinder can be the cylinder, and the cylinder processing is simple, does benefit to control cost.

Referring to fig. 5, the body 7 is provided with a plurality of heat dissipating through holes 15, and the heat dissipating through holes 15 are located at the contact positions of the first wall 81 and the second wall 82 with the body 7. The heat dissipation through holes 15 facilitate heat dissipation of the battery pack and contribute to improvement of safety in a power utilization process. The end of the first guiding groove protrudes outwards from the front and back sides of the body to form a base 11 for supporting the battery pack. A protective cover 111 is arranged on the side of the base facing away from the first guide groove 8. A part of the terminal portion 9 is embedded in the chassis and the remaining part is exposed outside the chassis 11. The terminal portions 9 pass through the base 11 and the second terminals extend from the inside of the base into the shield 111. The base not only ensures that a gap is reserved between the inner wall of the battery pack cavity and the body, but also is convenient for workers to operate during installation; the stress area of the end part is also increased, so that the connecting piece has a better supporting effect on the battery pack. The protective cover is used for protecting the second terminal, so that the second terminal is prevented from being damaged by external force, and the service life of the connecting piece is prolonged; meanwhile, the protective cover can further enable the second terminal to be insulated from the outside, so that the safety in the installation process is improved.

In order to enable the battery pack to be stably mounted on the connecting piece, in an embodiment of the utility model, the battery pack 3 is provided with the buckle 16, the body 7 is provided with the clamping hole 17, and when the battery pack 3 slides in place, the buckle 16 is just clamped in the clamping hole 17. The shape of the card hole 16 is not limited, and in an embodiment of the present invention, the card hole 17 may be a rectangular through hole.

Referring to fig. 1, in order to facilitate connection of a lead, a battery pack cavity terminal 2 is disposed in a through hole in a charged body protection shell 12, the charged body protection shell 12 is disposed on a battery pack cavity 1, and the charged body protection shell 12 is formed by sinking from the outside of the battery pack cavity 1 to the inside, so that a power supply provided by a battery pack 3 inside the battery pack cavity 1 is led to the outside of the battery pack cavity 1, thereby facilitating use of equipment. The battery pack cavity terminal 2 comprises three wiring terminals 13, three through holes are formed in the charged body protective shell 12, one wiring terminal 13 is installed in each through hole, and the through holes can be rectangular through holes.

Referring to fig. 9, in an embodiment of the utility model, the connection terminal 13 includes a connection portion 131, the connection portion 131 is used for connecting a wire, the connection portion 131 is provided with a socket portion 132, and the socket portion 132 is used for plugging a pin. The terminal 13 may be of an integrally formed structure. The socket portion 132 includes two jaws, which are bent from the bent portion and symmetrically fixed to the wiring portion. In order to facilitate connection of the wires, the wiring portion 131 is provided with a wiring through hole.

Based on above-mentioned technical scheme, the battery package of different specifications can match through the connecting piece of different specifications, and the connecting piece of different specifications all has the connecting portion of can dismantling the connection with battery package chamber, consequently, when the battery package of different specifications needs to be changed, only need change the connecting piece, again with the battery package of target specification install to the connecting piece on can. Therefore, the battery pack with various specifications can be placed in the same battery pack cavity structure. Therefore, the design and production cost of the battery pack cavity is greatly reduced.

In summary, the present invention provides a connecting member 6, configured to connect a battery pack 3 and a battery pack cavity 1, where the connecting member 6 is detachably connected to the battery pack cavity 1, and a first guide rail 4 is matched with a first guide groove 8 to enable the battery pack 3 to be mounted on the connecting member 6, so as to enable the battery pack 3 to be detachably connected to the battery pack cavity 1, and enable battery packs of different specifications to be placed in the same battery pack cavity 1: when the specification of the battery pack needs to be changed, only the connecting piece of the battery pack with the target specification needs to be installed in the cavity of the battery pack; thereby greatly saving the design of the battery pack cavity and the production cost. Therefore, the utility model effectively overcomes some practical problems in the prior art, thereby having high utilization value and use significance.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (13)

1. A connecting piece is used for connecting a battery pack and a battery pack cavity, and the battery pack is arranged on the connecting piece; the connecting piece is arranged in the battery pack cavity; a battery pack terminal is arranged on the battery pack; a battery pack cavity terminal is arranged in the battery pack cavity; characterized in that the connecting piece comprises:

a body;

the terminal part is arranged on the body and comprises a first terminal and a second terminal, the first terminal is electrically connected with the battery pack terminal, the second terminal is electrically connected with the battery pack cavity terminal, and the first terminal and the second terminal are electrically connected.

2. The connector of claim 1, wherein the first terminal is of the same terminal type as the second terminal.

3. The connector of claim 1, wherein the first terminal is of a different terminal type than the second terminal.

4. The connector of claim 1, wherein the first terminal and the second terminal are of unitary construction.

5. The connector of claim 1, wherein the first terminal is removably connected to the second terminal.

6. The fitting according to claim 1, further comprising: a connecting part and a first guide groove; the connecting part is arranged on the body and is detachably connected with the battery pack cavity; the first guide groove is arranged on the body and is matched with the first guide rail on the battery pack.

7. The connector of claim 6, wherein the connecting portion is slidably mounted to the interior of the battery pack cavity.

8. The connector of claim 7, wherein the connecting portion includes two second guide grooves provided in parallel on the body.

9. A connector according to claim 8, wherein one end of the second channel is closed.

10. The connector of claim 6, wherein the connecting portion comprises a mounting assembly and is located on a side of the body facing away from the battery pack.

11. The fitting according to claim 10, wherein said mounting assembly comprises at least two mounting blocks, said mounting blocks having mounting holes formed therein.

12. The connecting piece of claim 1, wherein the body is provided with a clamping hole for clamping the battery pack.

13. The connector of claim 1, wherein the body defines a shield at an end thereof, the second terminal being positioned within the shield.

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