CN211475098U

CN211475098U - Battery pack and pipeline connecting piece thereof

Info

Publication number: CN211475098U
Application number: CN201921973206.7U
Authority: CN
Inventors: 王宁; 宋雷雷; 夏云龙
Original assignee: Neusoft Reach Automotive Technology Shenyang Co Ltd
Current assignee: Neusoft Reach Automotive Technology Shenyang Co Ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-09-11
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a pipeline connecting piece and battery package of battery package, this pipeline connecting piece connect and be equipped with butt portion, conch wall connecting portion and nut connecting portion along its length direction including connecting and nut in proper order, and the one end terminal surface of butt portion is used for the conch wall internal surface of conflict battery package, and conch wall connecting portion include first cooperation portion, first cooperation portion be used for with the battery cladding wall on the through-hole adaptation, nut connecting portion are used for coupling nut, and the one end terminal surface of nut is used for the conch wall surface of conflict battery package. The pipeline connecting piece is simple in structure and convenient to install, and the assembly efficiency of the battery pack can be improved.

Description

Battery pack and pipeline connecting piece thereof

Technical Field

The utility model relates to a battery package technical field especially relates to a tube coupling spare and battery package of battery package.

Background

The normal work that can influence the battery package is crossed too high to low in the temperature, in order to guarantee that the battery package can normally work, set up liquid inlet pipe way and drain pipe usually inside the casing of battery package, liquid inlet pipe way is through liquid inlet pipe way connecting piece and the outside confession liquid part intercommunication of casing, the drain pipe way is through liquid outlet pipe way connecting piece and the outside liquid part intercommunication that returns of casing, through the inside liquid that lets in suitable temperature of casing to the battery package, adjust the temperature of battery package, guarantee the normal work of battery package.

Among the prior art, the pipeline connects four bolts that set up through circumference and the casing of battery package is fixed, and this kind of structure is complicated, and during the installation, need the position of adjustment pipeline joint many times moreover, just enable four bolts and align with four bolt holes on the casing just, and installation operation is comparatively loaded down with trivial details, leads to the packaging efficiency of battery package to hang down.

In view of this, it is a technical problem to be solved by those skilled in the art to improve the assembly efficiency of the battery pack.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a pipeline connecting piece of battery package, pipeline connecting piece is including connecting and nut, it is equipped with butt portion, conch wall connecting portion and nut connecting portion in proper order to connect along its length direction, the one end terminal surface of butt portion is used for the conch wall internal surface of conflict battery package, conch wall connecting portion include first cooperation portion, first cooperation portion be used for with the through-hole adaptation on the battery cladding wall, nut connecting portion are used for connecting the nut, the one end terminal surface of nut is used for the conch wall surface of conflict battery package.

The pipeline connecting piece is simple in structure and convenient to install, and the assembly efficiency of the battery pack can be improved.

According to the pipeline connecting piece, the end face, used for abutting against the inner surface of the shell wall of the battery pack, of the abutting part is provided with the annular groove, the pipeline connecting piece further comprises the sealing ring, and the sealing ring is embedded in the annular groove.

The pipeline connecting piece, the joint still is equipped with the installation department, the installation department sets up butt portion is kept away from the one end of conch wall connecting portion, pipeline connecting piece still includes temperature sensor for survey flow through the liquid temperature of pipeline connecting piece, temperature sensor install in the installation department.

As above pipeline connecting piece, the installation department is equipped with and holds the chamber, temperature sensor's temperature probe stretches into hold the chamber, temperature sensor's casing supports the surface of installation department is fixed in through threaded fastener the installation department.

The pipeline connecting piece further comprises a nut gasket, one end face of the nut abuts against the outer surface of the shell wall of the battery pack through the nut gasket, and the shell wall connecting portion further comprises a second matching portion which is used for being matched with the through hole in the nut gasket.

In the above pipe coupling, the first fitting portion has a non-circular cross-sectional peripheral shape, and the second fitting portion has a non-circular cross-sectional peripheral shape.

In the above pipeline connector, the cross-sectional periphery of the first fitting portion has two parallel straight sides, and the cross-sectional periphery of the second fitting portion also has two parallel straight sides. The pipeline connecting piece further comprises a first connecting pipe and a second connecting pipe, the first connecting pipe and the second connecting pipe are respectively connected to two ends of the connector in the length direction, and the first connecting pipe and the second connecting pipe are communicated through the connector.

According to the pipeline connecting piece, the clamping parts are arranged on the peripheries of the first connecting pipe and the second connecting pipe and used for clamping the quick-plugging connector.

The utility model also provides a battery package, the inside feed liquor pipeline of battery package casing is through the feed liquid part intercommunication that advances liquid pipeline connecting piece and battery package casing outside, and the inside drain pipe way of battery package casing is through going out liquid pipeline connecting piece and the outside liquid part intercommunication that returns of battery package casing, feed liquor pipeline connecting piece and/or it is above-mentioned arbitrary item to go out liquid pipeline connecting piece.

Since the pipeline connecting piece has the technical effects, the battery pack comprising the pipeline connecting piece also has the technical effects.

Drawings

Fig. 1 is an exploded view of a pipe connection provided by the present invention;

FIG. 2 is a top view of the fitting and seal ring of FIG. 1;

FIG. 3 is a cross-sectional view of the fitting and seal ring of FIG. 1;

fig. 4 is a perspective view of the pipe connection in an applied state.

The reference numerals are explained below:

1 joint, 11 mounting part, 111 accommodating cavity, 12 abutting part, 13 shell wall connecting part, 131 first matching part, 132 second matching part and 14 nut connecting part;

2, a nut; 3, sealing rings; 4, a nut gasket; 5 first connecting pipe, 51 neck; 6, a second connecting pipe, 61 is clamped and protruded; 7 a temperature sensor; 8 quick connector.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following provides a detailed description of the technical solution of the present invention with reference to the accompanying drawings.

As shown in fig. 1, the pipe connection member of the battery pack includes a connector 1 and a nut 2, the connector 1 is provided with an abutting portion 12, a housing wall connecting portion 13, and a nut connecting portion 14 in this order along a longitudinal direction thereof, and a flow passage extending along the longitudinal direction thereof is provided inside the connector 1. The nut connection part 14 has an external thread (not shown) on the outer circumference thereof, and the housing wall connection part 13 includes a first fitting part 131, and the first fitting part 131 is fitted into a through hole formed in the wall of the battery housing.

As shown in fig. 4, in the application state, the abutting portion 12 is located inside the casing of the battery pack, one end face of the abutting portion 12 abuts against the inner surface of the casing wall of the battery pack, the first fitting portion 131 is inserted into the through hole in the casing wall of the battery pack, the nut connecting portion 14 is located outside the casing of the battery pack, the nut 2 is screwed on the external thread of the nut connecting portion 14, and one end face of the nut 2 abuts against the outer surface of the casing wall of the battery pack. In this way, the wall of the battery pack is pressed between the nut 2 and the abutment 12, thereby securing the line connector to the wall of the battery pack.

The pipeline connecting piece with the structure has a simple structure, is convenient to install, and can improve the assembly efficiency of the battery pack.

Specifically, as shown in fig. 1, the pipe connection element further includes a nut spacer 4, and as shown in fig. 4, in an application state, an end face of one end of the nut 2 indirectly abuts against an outer surface of a wall of the battery pack through the nut spacer 4. As shown in fig. 1, the wall connecting portion 13 further includes a second fitting portion 132 fitted into the through hole of the nut washer 4.

Preferably, as shown in fig. 1, the first fitting part 131 has a non-circular cross-sectional peripheral shape, and the through-hole in the battery can wall is a non-circular hole. The cross-sectional periphery of the second fitting portion 132 is non-circular, and the through hole of the nut washer 4 is non-circular. Set up like this, when first cooperation portion 131 cooperatees with the through-hole on the battery pack shell wall and second cooperation portion 132 and the through-hole cooperation on the nut gasket 4, can play and prevent to connect 1 rotatory effect, promptly, when exerting torsion to nut 2, connect 1 and can not rotate under the torsion effect to the installation of the pipe connection spare of being more convenient for, therefore can further promote the packaging efficiency of battery pack.

In the drawings, the cross-sectional periphery of the first matching portion 131 has two parallel straight sides, in other words, the outer peripheral surface of the first matching portion 131 has two parallel planes, and the cross-sectional periphery of the second matching portion 132 also has two parallel straight sides, in other words, the outer peripheral surface of the second matching portion 132 also has two parallel planes.

Of course, in actual implementation, the cross-sectional peripheral shape of the first fitting portion 131 and the cross-sectional peripheral shape of the second fitting portion 132 are not limited to the examples in the drawings as long as they are not circular. In the drawings, the cross-sectional dimensions of the first engaging portions are uniform, and in actual practice, the cross-sectional dimensions of the first engaging portions 131 and the second engaging portions 132 may not be uniform.

Specifically, as shown in fig. 1, an annular groove is provided on an end surface of the abutting portion 12 for abutting against an inner surface of a housing wall of the battery pack, the pipeline connecting member further includes a sealing ring 3, the sealing ring 3 is embedded in the annular groove, and when the abutting portion 12 abuts against the housing wall, the sealing ring 3 is pressed by the housing wall and the abutting portion 12, so that a risk of short circuit of the battery pack caused by leakage of liquid in the flow channel from an abutting position of the abutting portion 12 and the housing wall can be prevented.

Specifically, as shown in fig. 1, the joint 1 is further provided with a mounting portion 11, the mounting portion 11 is disposed at one end of the abutting portion 12 away from the housing wall connecting portion 13, the pipeline connecting piece further includes a temperature sensor 7, and the temperature sensor 7 is mounted on the mounting portion 11. With this arrangement, the temperature sensor 7 can be mounted on the mounting portion 11 in advance when mounting, so that when the tab 1 is fixed to the casing wall, the temperature sensor 7 is indirectly fixed to the casing wall, thereby eliminating the need to separately fix the temperature sensor 7 and the casing wall, and further improving the assembly efficiency of the battery pack. In addition, the temperature sensor 7 is used for detecting the liquid temperature in the flow channel, so that whether the liquid temperature meets the requirement or not can be known, and the temperature of the battery pack can be adjusted conveniently.

More specifically, as shown in fig. 2, the mounting portion 11 is provided with a receiving cavity 111, the receiving cavity 111 communicates with the flow passage of the joint 1, the temperature measuring head of the temperature sensor 7 extends into the receiving cavity 111 so as to be able to contact the liquid in the flow passage, and the housing of the temperature sensor 7 is supported on the surface of the mounting portion 11 and fixed to the mounting portion 11 by a screw fastener. Of course, in practical implementation, the temperature sensor 7 may be fixed to the mounting portion 11 by other means, such as clamping, plugging, and the like.

Specifically, as shown in fig. 1, the pipeline connecting piece further includes a first connecting pipe 5 and a second connecting pipe 6, the first connecting pipe 5 is connected to one end of the mounting portion 11 away from the abutting portion 12, the second connecting pipe 6 is connected to one end of the nut connecting portion 14 away from the housing wall connecting portion 13, and the first connecting pipe 5 and the second connecting pipe 6 are communicated through an internal flow passage of the joint 1. As shown in fig. 4, in the application state, the first connecting pipe 5 is located inside the housing of the battery pack, and the second connecting pipe 6 is located outside the housing of the battery pack.

More specifically, as shown in fig. 2, the first connecting pipe 5 and the second connecting pipe are provided with locking members at the outer periphery thereof for locking the quick connector 8. The quick connector 8 is a connector well known to those skilled in the art. In the figure, the locking member on the periphery of the first adapter tube 5 is a locking groove 51, and the locking member on the periphery of the second adapter tube 6 is a locking protrusion 61, but it may be other locking members in practical implementation.

Furthermore, the utility model provides a battery package, the inside feed liquor pipeline of battery package casing is through the feed liquid part intercommunication that liquid inlet pipeline connecting piece and battery package casing are outside, and the inside drain pipe of battery package casing is through liquid outlet pipeline connecting piece and the outside liquid part intercommunication that returns of battery package casing, and feed liquor pipeline connecting piece and/or liquid return pipeline connecting piece are above-mentioned pipeline connecting piece.

It is right above the utility model provides a pipeline connecting piece and battery package of battery package have introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The pipeline connecting piece of the battery pack is characterized by comprising a connector (1) and a nut (2), wherein the connector (1) is sequentially provided with a butting part (12), a shell wall connecting part (13) and a nut connecting part (14) along the length direction of the connector, one end face of the butting part (12) is used for abutting against the inner surface of the shell wall of the battery pack, the shell wall connecting part (13) comprises a first matching part (131), the first matching part (131) is used for being matched with a through hole in the wall of the battery pack, the nut connecting part (14) is used for being connected with the nut (2), and one end face of the nut (2) is used for abutting against the outer surface of the shell wall of the battery pack.

2. The pipe connection according to claim 1, wherein the abutting portion (12) has an annular groove on an end surface thereof for abutting against an inner surface of a wall of the battery pack, and the pipe connection further comprises a sealing ring (3), and the sealing ring (3) is fitted in the annular groove.

3. A pipe connection according to claim 1, wherein the joint (1) is further provided with a mounting portion (11), the mounting portion (11) being arranged at an end of the abutment portion (12) remote from the wall connecting portion (13), the pipe connection further comprising a temperature sensor (7) for detecting the temperature of a liquid flowing through the pipe connection, the temperature sensor (7) being mounted to the mounting portion (11).

4. The pipe connection according to claim 3, wherein the mounting portion (11) is provided with a receiving cavity (111), the temperature measuring head of the temperature sensor (7) extends into the receiving cavity (111), and the housing of the temperature sensor (7) is supported on the surface of the mounting portion (11) and is fixed to the mounting portion (11) through a threaded fastener.

5. The pipe connection according to claim 1, further comprising a nut spacer (4), wherein an end surface of the nut (2) abuts against an outer surface of a wall of the battery pack via the nut spacer (4), and wherein the wall connecting portion (13) further comprises a second fitting portion (132), and wherein the second fitting portion (132) is adapted to fit into a through hole formed in the nut spacer (4).

6. The line connector of claim 5, wherein the first mating portion (131) has a non-circular cross-sectional peripheral shape and the second mating portion (132) has a non-circular cross-sectional peripheral shape.

7. The line connector according to claim 6, characterized in that the cross-sectional periphery of the first mating portion (131) has two mutually parallel straight sides, and the cross-sectional periphery of the second mating portion (132) also has two mutually parallel straight sides.

8. The pipe connection according to any one of claims 1 to 7, further comprising a first connection pipe (5) and a second connection pipe (6), wherein the first connection pipe (5) and the second connection pipe (6) are respectively connected to both ends of the joint (1) in the length direction, and the first connection pipe (5) and the second connection pipe (6) are communicated through the joint (1).

9. Pipeline connector according to claim 8, characterized in that the outer circumference of the first connecting pipe (5) and the outer circumference of the second connecting pipe (6) are provided with locking elements for locking the quick connector (8).

10. A battery pack, a liquid inlet pipeline inside a battery pack shell is communicated with a liquid supply part outside the battery pack shell through a liquid inlet pipeline connecting piece, a liquid outlet pipeline inside the battery pack shell is communicated with a liquid return part outside the battery pack shell through a liquid outlet pipeline connecting piece, and the battery pack is characterized in that the liquid inlet pipeline connecting piece and/or the liquid outlet pipeline connecting piece is/are the pipeline connecting piece in any one of claims 1 to 9.