CN220042169U - Battery pack - Google Patents

Abstract

The utility model discloses a battery pack, wherein the battery pack comprises a shell and a socket, wherein an installation space is formed in the shell, and a positioning hole communicated with the installation space is formed in the outer surface of the shell; the socket is arranged on the inner wall surface of the installation space, and the plug-in end of the socket is exposed to the outside through the positioning hole and is used for plugging in the plug. The technical scheme of the utility model aims to reduce the maintenance cost of the battery pack.

Description

Battery pack

Technical Field

The utility model relates to the technical field of new energy batteries, in particular to a battery pack.

Background

The connector socket of the passenger car battery pack is generally arranged on the outer side of the battery pack body in a protruding mode, and the connector socket is used for being inserted into the connector plug, so that electric connection with other structures outside the battery pack is achieved or charging and discharging of the battery pack are achieved.

However, when the weight of the battery pack is large, a forklift or a crane is required to transport and mount the battery pack, at this time, the connector socket protruding from the outer side of the battery pack body is not protected physically, so that the part protruding from the surface of the battery pack body is very easy to damage, and meanwhile, as the connector socket protrudes from the design of the battery pack body, a plurality of battery packs cannot be stacked in the transportation and storage processes, or else the connector socket protruding from the surface of the battery pack body is easy to damage, so that the maintenance cost of the battery pack is increased.

Disclosure of Invention

The utility model mainly aims to provide a battery pack, which aims to reduce the maintenance cost of the battery pack.

In order to achieve the above object, a battery pack according to the present utility model includes:

the shell is internally provided with an installation space, and the outer surface of the shell is provided with a positioning hole communicated with the installation space; and

the socket is arranged on the inner wall surface of the installation space, and the plug-in end of the socket is exposed to the outside through the positioning hole and is used for plugging in the plug.

In one embodiment of the utility model, the socket includes:

the inserting part is arranged on the inner wall surface of the installation space and is inserted into the positioning hole, and one end of the inserting part, which is away from the installation space, is provided with a socket exposed to the outside;

and the limiting part is connected with the inserting part and is abutted with the inner wall surface of the installation space and used for limiting the depth of the inserting part inserted into the positioning hole.

In an embodiment of the utility model, the limiting portion is stacked on an inner wall surface of the installation space to cover the positioning hole, one end of the limiting portion facing the positioning hole is a first end, one end of the limiting portion facing away from the positioning hole is a second end, and the inserting portion is penetrated from the second end to the first end to be inserted into the positioning hole.

In an embodiment of the utility model, the plugging part includes a plurality of plugging members, the plugging members penetrate from the second end to the first end so as to be plugged into the positioning holes, the plugging members are fixedly connected with the limiting part, the plugging members are provided with the sockets at one end deviating from the installation space, and the plugging members are arranged at intervals.

In one embodiment of the utility model, the plug comprises:

the waterproof shell penetrates from the second end to the first end so as to be inserted into the positioning hole, a waterproof cavity is formed in the waterproof shell, and one end, away from the installation space, of the waterproof shell is provided with the socket communicated with the waterproof cavity;

the wiring terminal is arranged in the waterproof cavity; and

the first sealing ring is sleeved on the wiring terminal and is used for sealing a gap between the wiring terminal and the inner wall of the waterproof cavity.

In an embodiment of the present utility model, the number of the connectors is three, and the three connectors are disposed at intervals along the length direction of the limiting portion.

In an embodiment of the utility model, the socket further includes a second sealing ring, where the second sealing ring is located between the limiting portion and the inner wall surface of the installation space and is respectively abutted to the end surface of the first end and the inner wall surface of the installation space, and the second sealing ring is disposed around the outer side of the positioning hole and is used for sealing the installation space.

In an embodiment of the present utility model, the end face of the first end is provided with a groove, the groove extends along the outer periphery of the end face of the first end, and the second sealing ring is disposed in the groove.

In an embodiment of the utility model, a first locking hole communicated with the installation space is further formed in the outer surface of the shell, and a second locking hole is formed in the first end of the limiting part;

the battery pack further comprises a locking piece, wherein the locking piece penetrates through the first locking hole from the outer surface of the shell and is inserted into the second locking hole, and the locking piece is used for fixing the shell and the socket.

In an embodiment of the utility model, the battery pack further includes a temperature sensor, and the temperature sensor is disposed in the socket and is used for detecting the temperature of the socket.

The battery pack of the technical scheme of the utility model comprises a shell and a socket. Wherein, the inside installation space that is formed with of shell, the installation space is inside located to the socket, and the grafting end of socket exposes in the external world through the locating hole on shell surface, and the plug can pass the grafting end of locating hole insertion socket, realizes the electric connection of plug and socket. Compared with the prior battery pack, the socket which is convexly arranged at the outer side of the battery pack, the socket in the scheme is arranged on the inner wall surface of the installation space, so that the socket of the battery pack can be prevented from being damaged in the transportation and storage processes, and the maintenance cost of the battery pack is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a battery pack according to an embodiment of the present utility model;

FIG. 2 is an exploded view of FIG. 1;

fig. 3 is an exploded view of one embodiment of the socket of the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Battery pack	2112	Connecting terminal
10	Outer casing	2113	First sealing ring
				11	Positioning hole	22	Limiting part
12	First locking hole	221	First end
				20	Socket	2211	Groove
21	Plug-in part	2212	Second locking hole
				211	Plug-in connectionPiece	222	Second end
2111	Waterproof shell	30	Installation space
				21111	Socket	40	Second sealing ring
21112	Waterproof cavity	50	Temperature sensor
				21113	Upper shell	60	Locking piece
21114	Lower shell

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "a and/or B", including a scheme, or B scheme, or a scheme that is satisfied by both a and B. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 to 3, the present utility model proposes a battery pack 100 including:

a housing 10, wherein an installation space 30 is formed inside the housing 10, and a positioning hole 11 communicating with the installation space 30 is formed on the outer surface of the housing 10; and

the socket 20, the socket 20 is disposed on the inner wall surface of the installation space 30, and the plugging end of the socket 20 is exposed to the outside through the positioning hole 11 for plugging a plug.

The battery pack 100 according to the embodiment of the present utility model includes a housing 10 and a socket 20. Wherein, the inside of the shell 10 is formed with an installation space 30, the socket 20 is arranged in the installation space 30, the plug end of the socket 20 is exposed to the outside through the positioning hole 11 on the surface of the shell 10, and the plug can be inserted into the plug end of the socket 20 through the positioning hole 11, so as to realize the electrical connection between the plug and the socket 20. Compared with the prior battery pack 100, the socket 20 protruding outside the battery pack 100 is arranged on the inner wall surface of the installation space 30, so that the socket 20 of the battery pack 100 can be prevented from being damaged in the transportation and storage processes, and the maintenance cost of the battery pack 100 is reduced.

The end face of the plug end, which is away from the end of the installation space 30, and the end face of the positioning hole 11, which is away from the end of the installation space 30, are mutually overlapped, so that the socket 21111 is exposed on the surface of the shell 10 and does not protrude out of the positioning hole 11, damage to the socket 20 in the process of transportation and storage is avoided, and maintenance cost of the battery pack 100 is reduced.

Referring to fig. 1 to 3, in an embodiment of the present utility model, the socket 20 includes:

a plug-in portion 21, wherein the plug-in portion 21 is provided on an inner wall surface of the installation space 30 and is inserted into the positioning hole 11, and a socket 21111 exposed to the outside is provided at an end of the plug-in portion 21 facing away from the installation space 30;

and a limiting part 22, wherein the limiting part 22 is connected with the plug part 21, is abutted against the inner wall surface of the installation space 30, and is used for limiting the depth of the plug part 21 inserted into the positioning hole 11.

In an embodiment of the present utility model, at least a portion of the insertion portion 21 is inserted into the positioning hole 11, so that the socket 21111 is located in the positioning hole 11. The plug of the connector extends into the positioning hole 11 to be inserted into the socket 21111, so as to realize the electrical connection between the socket 20 and the plug. The spacing portion 22 is fixedly connected with the plug portion 21, is used for limiting the depth of the plug portion 21 inserted into the positioning hole 11, and avoids the plug portion 21 extending out of the shell 10 due to the fact that the plug portion 21 is inserted into the positioning hole 11 too deeply, so that the socket 20 is damaged in the transportation and storage processes, and the maintenance cost of the battery pack 100 is reduced due to the design of the spacing portion 22.

Referring to fig. 1 to 3, in an embodiment of the utility model, the limiting portion 22 is stacked on an inner wall surface of the installation space 30 to cover the positioning hole 11, an end of the limiting portion 22 facing the positioning hole 11 is a first end 221, an end of the limiting portion 22 facing away from the positioning hole 11 is a second end 222, and the inserting portion 21 is inserted into the positioning hole 11 from the second end 222 to the first end 221.

In the technical solution of an embodiment of the present utility model, the limiting portion 22 is laminated on the inner wall surface of the installation space 30 provided with the positioning hole 11, so as to cover the positioning hole 11, prevent water outside the battery pack 100 from flowing into the installation space 30 from the positioning hole 11, and improve the waterproof performance of the battery pack 100.

Referring to fig. 1 to 3, in an embodiment of the present utility model, the plugging portion 21 includes a plurality of plugging members 211, the plugging members 211 penetrate from the second end 222 to the first end 221 so as to be plugged into the positioning hole 11, the plugging members 211 are fixedly connected with the limiting portion 22, the plugging members 211 are provided with the insertion holes 21111 at one end facing away from the installation space 30, and the plurality of plugging members 211 are spaced apart.

In an embodiment of the present utility model, the number of the connectors 211 may be one, two, three or several, which is not limited herein. The plurality of connectors 211 are disposed through the limiting portion 22 and are disposed at intervals according to the requirement. The pins of the plug extend into the positioning holes 11 and are inserted into the sockets 21111 of the plug connector 211, so that the plug and the socket 20 are electrically connected.

Referring to fig. 1 to 3, in an embodiment of the present utility model, the plug 211 includes:

a waterproof case 2111, the waterproof case 2111 is penetrated from the second end 222 to the first end 221 to be inserted into the positioning hole 11, a waterproof cavity 21112 is formed inside the waterproof case 2111, and one end of the waterproof case 2111 facing away from the installation space 30 is provided with the socket 21111 communicating with the waterproof cavity 21112;

a connection terminal 2112, said connection terminal 2112 being disposed within said waterproof chamber 21112; and

the first sealing ring 2113 is sleeved on the connecting terminal 2112, and is used for sealing a gap between the connecting terminal 2112 and the inner wall of the waterproof cavity 21112.

In an embodiment of the present utility model, the waterproof case 2111 includes an upper case 21113 and a lower case 21114, a waterproof cavity 21112 is formed by enclosing the upper case 21113 and the lower case 21114, the upper case 21113 is disposed at the first end 221 through the second end 222, a socket 21111 is disposed at an end of the upper case 21113, a connection terminal 2112 is disposed in the waterproof cavity 21112, a pin of the socket 20 extends into the waterproof cavity 21112 through the socket 21111 and is electrically connected with the connection terminal 2112, and due to a gap between the connection terminal 2112 and an inner wall of the waterproof cavity 21112, water outside the battery pack 100 can flow into the installation space 30 through the positioning hole 11, the socket 21111 and the gap in sequence, thereby affecting stability of an internal structure of the battery pack 100. Therefore, the first sealing ring 2113 is sleeved on the connecting terminal 2112, the outer side of the first sealing ring 2113 is abutted against the inner wall surface of the waterproof cavity 21112, so that a gap between the connecting terminal 2112 and the inner wall of the waterproof cavity 21112 is sealed, the outside water is prevented from flowing into the installation space 30, and the stability of the internal structure of the battery pack 100 is improved.

Referring to fig. 1 to 3, in an embodiment of the present utility model, the number of the connectors 211 is three, and the three connectors 211 are spaced apart along the length direction of the limiting portion 22.

In the technical solution of an embodiment of the present utility model, when the number of pins of the connector plug is three, the number of the connectors 211 is correspondingly three, and the connectors 211 are arranged at intervals along the length direction of the limiting portion 22, so that the three pins of the connector plug can be inserted into the sockets 21111 of the corresponding connectors 211, and the stability of the socket 20 in plugging is improved.

Referring to fig. 1 to 3, in an embodiment of the present utility model, the socket 20 further includes a second sealing ring 40, the second sealing ring 40 is located between the limiting portion 22 and the inner wall surface of the installation space 30 and abuts against the end surface of the first end 221 and the inner wall surface of the installation space 30, and the second sealing ring 40 is disposed around the outer side of the positioning hole 11 and is used for sealing the installation space 30.

In the technical scheme of the embodiment of the utility model, the limiting part 22 covers the positioning hole 11 from the inside of the installation space 30, but because a gap still exists between the limiting part 22 and the inner wall of the installation space 30, external water can flow into the installation space 30 from the gap, and the stability of the internal structure of the battery pack 100 is affected. Therefore, the second sealing ring 40 is disposed between the limiting portion 22 and the inner wall surface of the installation space 30, the limiting portion 22 compresses the sealing ring on the inner wall surface of the installation space 30, and the sealing ring is disposed on the outer side of the positioning hole 11, so that the gap between the limiting portion 22 and the inner wall of the installation space 30 is sealed, and external water cannot flow into the installation space 30 from the gap, thereby improving the stability of the internal structure of the battery pack 100.

Referring to fig. 1 to 3, in an embodiment of the present utility model, the end surface of the first end 221 is provided with a groove 2211, the groove 2211 is disposed along the outer periphery of the end surface of the first end 221, and the second seal ring 40 is disposed in the groove 2211.

In the technical solution of an embodiment of the present utility model, the end surface of the first end 221 is provided with the groove 2211 for accommodating the second sealing ring 40, the groove 2211 is designed to improve the installation efficiency of the second sealing ring 40, the groove 2211 is matched with the second sealing ring 40, when in installation, the second sealing ring 40 is placed into the groove 2211, and the limiting portion 22 is fixedly connected with the housing 10 through the locking member 60, so that the limiting portion 22 seals the positioning hole 11, and the stability of the internal structure of the battery pack 100 is improved.

Referring to fig. 1 to 3, in an embodiment of the present utility model, the outer surface of the housing 10 is further provided with a first locking hole 12 communicating with the installation space 30, and the first end 221 of the limiting portion 22 is provided with a second locking hole 2212;

the battery pack 100 further includes a locking member 60, wherein the locking member 60 is inserted into the second locking hole 2212 from the outer surface of the housing 10 through the first locking hole 12, for fixing the housing 10 and the socket 20.

In an embodiment of the present utility model, the locking member 60 may be a screw, a bolt, or a screw, which is not limited herein. The locking member 60 sequentially penetrates through the first locking hole 12 from the outer surface of the shell 10 and is inserted into the second locking hole 2212, internal threads can be arranged on the hole wall of the first locking hole 12 or the hole wall of the second locking hole 2212, external threads are arranged on the outer circumferential surface of the locking member 60, so that the locking member 60 is in threaded connection with the first locking hole 12 or the second locking hole 2212, and the stability of connection between the socket 20 and the shell 10 is improved.

Referring to fig. 1 to 3, in an embodiment of the present utility model, the battery pack 100 further includes a temperature sensor 50, and the temperature sensor 50 is disposed on the socket 20 for detecting the temperature of the socket 20.

In the technical solution of an embodiment of the present utility model, during the operation of the battery pack 100, a large current flows through the plug and the socket 20, and the socket 20 heats up due to a certain internal resistance of the connection terminal 2112 of the socket 20. The temperature sensor 50 may be used to detect a temperature rise of the receptacle 20 to avoid overheating the receptacle 20 and damaging the receptacle 20. The temperature sensor 50 may be a thermocouple or may be of other structures, and is not limited thereto.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. A battery pack, comprising:

a housing (10), wherein an installation space (30) is formed inside the housing (10), and a positioning hole (11) communicated with the installation space (30) is formed on the outer surface of the housing (10); and

the socket (20), socket (20) are located the interior wall surface of installation space (30), the grafting end of socket (20) is exposed in the external world through locating hole (11), is used for grafting the plug.

2. The battery pack according to claim 1, wherein the receptacle (20) includes:

the inserting part (21) is arranged on the inner wall surface of the installation space (30) and is inserted into the positioning hole (11), and one end of the inserting part (21) away from the installation space (30) is provided with a socket (21111) exposed to the outside;

and the limiting part (22) is connected with the inserting part (21) and is abutted with the inner wall surface of the installation space (30) for limiting the depth of the inserting part (21) inserted into the positioning hole (11).

3. The battery pack according to claim 2, wherein the limiting portion (22) is laminated on the inner wall surface of the installation space (30) so as to cover the positioning hole (11), one end of the limiting portion (22) facing the positioning hole (11) is a first end (221), one end of the limiting portion (22) facing away from the positioning hole (11) is a second end (222), and the inserting portion (21) is inserted into the positioning hole (11) from the second end (222) to the first end (221).

4. A battery pack according to claim 3, wherein the plug-in part (21) comprises a plurality of plug-in parts (211), the plug-in parts (211) penetrate from the second end (222) to the first end (221) so as to be inserted into the positioning holes (11), the plug-in parts (211) are fixedly connected with the limiting parts (22), the plug-in parts (211) are provided with the plug-in holes (21111) at one end which is far away from the installation space (30), and the plug-in parts (211) are arranged at intervals.

5. The battery pack according to claim 4, wherein the plug (211) includes:

a waterproof case (2111), the waterproof case (2111) is penetrated from the second end (222) to the first end (221) so as to be inserted into the positioning hole (11), a waterproof cavity (21112) is formed inside the waterproof case (2111), and one end of the waterproof case (2111) away from the installation space (30) is provided with the socket (21111) communicated with the waterproof cavity (21112);

a connection terminal (2112), the connection terminal (2112) being provided in the waterproof chamber (21112); and

the first sealing ring (2113) is sleeved on the wiring terminal (2112) and used for sealing a gap between the wiring terminal (2112) and the inner wall of the waterproof cavity (21112).

6. The battery pack according to claim 4, wherein the number of the plug members (211) is three, and the three plug members (211) are arranged at intervals along the length direction of the limit portion (22).

7. A battery pack according to claim 3, wherein the socket (20) further comprises a second sealing ring (40), the second sealing ring (40) is located between the limit portion (22) and the inner wall surface of the installation space (30) and respectively abuts against the end surface of the first end (221) and the inner wall surface of the installation space (30), and the second sealing ring (40) is annularly arranged outside the positioning hole (11) and is used for sealing the installation space (30).

8. The battery pack as claimed in claim 7, wherein the end surface of the first end (221) is provided with a groove (2211), the groove (2211) is provided extending along the outer periphery of the end surface of the first end (221), and the second seal ring (40) is provided in the groove (2211).

9. A battery pack according to claim 3, wherein the outer surface of the housing (10) is further provided with a first locking hole (12) communicating with the installation space (30), and the first end (221) of the limiting portion (22) is provided with a second locking hole (2212);

the battery pack (100) further comprises a locking member (60), wherein the locking member (60) penetrates through the first locking hole (12) from the outer surface of the shell (10) and is inserted into the second locking hole (2212) so as to fix the shell (10) and the socket (20).

10. The battery pack according to any one of claims 1 to 9, wherein the battery pack (100) further comprises a temperature sensor (50), the temperature sensor (50) being provided to the receptacle (20) for detecting the temperature of the receptacle (20).