Connector assembly, cooling system and electric equipment

Abstract

The utility model relates to the technical field of power batteries, in particular to a connector assembly, a cooling system and electric equipment, the connector assembly comprises a main body, a connecting pipe, a valve core and a floating piece, the connecting pipe is arranged on the first side of the main body and comprises a shell and a containing cavity defined by the shell, the valve core is arranged in the containing cavity, and the floating piece is arranged on the first side of the main body. The floating part is arranged in the containing cavity and can move in the containing cavity, the connector assembly further comprises an elastic part located between the valve element and the shell in the radial direction, the floating part is provided with a first sealing part for sealing the shell and a second sealing part for sealing the valve element, and the first sealing part and the second sealing part are both located below the elastic part. The connector assembly further comprises a matching pipe arranged on the second side of the body, and the connecting pipe and the matching pipe are both of a hollow structure and communicate with each other. The flow resistance can be reduced, the production efficiency is improved, and the cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to power battery technical field, provide a joint subassembly, cooling system and electric equipment specifically. BACKGROUND

[0002] With the development of society, in order to reduce the pollution of automobile exhaust to atmosphere, at present, new energy vehicles such as lithium battery obtain vigorous promotion, as the power source of new energy vehicle, the vehicle-mounted battery will be a large amount of heat dissipation when working, usually a set of special water cooling pipeline and joint are used in the battery pack to control the temperature of battery. The guide structure of the conventional joint assembly is floating in the shell, the sealing element between the floating structure and the shell is arranged on the guide structure, the guide structure not only needs to use more materials, which is not conducive to cost saving, but also occupies a large space, so that the flow channel becomes smaller, which is not conducive to reducing flow resistance, in addition, it also increases the volume of the joint assembly, which is not conducive to the arrangement of the battery pack and the miniaturization of the battery pack.

[0003] Therefore, there is a need in the art for a new technical solution to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the above technical problem, provides a new joint subassembly, battery pack and electric equipment that can reduce flow resistance, improve production efficiency and save cost.

[0005] The utility model provides a joint subassembly, comprising:

[0006] Main body;

[0007] Connecting pipe, be located the first side of main body, connecting pipe includes the casing and is formed by the housing around the accommodation cavity;

[0008] Valve core, be located the accommodation cavity in;

[0009] Floating element, be located the accommodation cavity in and can move in the accommodation cavity;

[0010] Wherein, the joint assembly further includes the elastic element between the valve core and the casing in the radial direction, the floating element is equipped with the first sealing element of sealing casing and the second sealing element of sealing valve core, the first sealing element and the second sealing element are all located below the elastic element.

[0011] In the technical scheme, the first sealing member can seal the floating member and the shell, the second sealing member can seal the floating member and the valve core, the first sealing member and the second sealing member are located below the elastic member, the floating member seals the shell and the valve core, the volume and the height in the axial direction of the floating member are reduced, the height of the joint assembly is reduced, the volume of the battery pack is reduced, the axial size of the floating member is reduced, the space occupied by the floating member is reduced, the radial diameter of the elastic member is increased, the volume occupied by the elastic member in the radial direction is reduced, the cross-sectional area of the liquid flowing through the elastic member is increased, and the flow resistance of the joint assembly is reduced.

[0012] In the preferred technical scheme of the joint assembly, the floating member comprises a mounting portion and a blocking portion, the mounting portion is provided with a first groove and a second groove, the first sealing member is arranged in the first groove, and the second sealing member is arranged in the second groove.

[0013] In the technical scheme, the first sealing member is arranged in the first groove, and the second sealing member is arranged in the second groove, so that the first sealing member and the second sealing member can be fixed, the shell and the valve core can be sealed, and the sealing reliability is good.

[0014] In the preferred technical scheme of the joint assembly, the mounting portion comprises a separation portion arranged between the first groove and the second groove, and the first groove and the second groove are communicated.

[0015] In the technical scheme, the first groove and the second groove are arranged in the radial direction, the first sealing member for sealing the shell is arranged in the first groove, and the second sealing member for sealing the valve core is arranged in the second groove, so that the radial space in the shell can be fully utilized, the volume and the height of the floating member can be reduced, the volume of the battery pack can be reduced, the cross-sectional area of the liquid flowing through the elastic member can be increased, and the flow resistance of the joint assembly can be reduced.

[0016] In the preferred technical scheme of the joint assembly, the floating member further comprises a third sealing member for sealing the counter connector, and the mounting portion further comprises a third groove, and the third sealing member is arranged in the third groove.

[0017] In the technical scheme, the floating member comprises the first sealing member, the second sealing member and the third sealing member arranged in the third groove, the sealing of the counter connector can be realized, the third sealing member is arranged in the third groove, and the sealing reliability is good.

[0018] In the preferred technical scheme of the joint assembly, the third groove is arranged below the separation portion, and the projection of the third groove in the axial direction of the shell at least partially overlaps the first groove and / or the second groove.

[0019] In the technical scheme, the third groove is arranged below the partition, the axial space of the floating member can be fully utilized, the space utilization is good, the volume of the joint assembly is reduced, the projection of the third groove in the axial direction of the housing overlaps with the first groove and / or the second groove, that is, the thickness of the third sealing member is large, so that good sealing effect can be achieved, and good reliability is achieved.

[0020] In the preferred technical scheme of the joint assembly, in the radial direction of the housing, the first sealing member is located between the housing and the mounting portion, and the second sealing member is located between the valve core and the mounting portion.

[0021] In the technical scheme, the first sealing member is located between the housing and the mounting portion, the sealing between the connecting pipe and the floating member can be achieved, the second sealing member is located between the valve core and the mounting portion, the sealing between the valve core and the floating member can be achieved, the first sealing member and the second sealing member are sealed in the radial direction of the housing, the radial space in the housing can be fully utilized, the volume and the occupied height of the floating member can be reduced, the volume of the battery pack can be reduced, and the cross-sectional area of the liquid flowing through the elastic member can be increased, so that the flow resistance of the joint assembly is reduced.

[0022] In the preferred technical scheme of the joint assembly, in the axial direction of the housing, the third sealing member is located between the mounting portion and the counter connector.

[0023] In the technical scheme, the third sealing member is located between the mounting portion and the counter connector, the sealing between the floating member and the counter connector can be achieved, the third sealing member fully utilizes the axial space, the sealing between the floating member and the counter connector is achieved, the volume and the occupied height of the floating member are reduced, and the volume of the battery pack can be reduced.

[0024] In the preferred technical scheme of the joint assembly, the first sealing member, the second sealing member and the third sealing member are integrally injection molded, and the mounting portion is provided with a communication hole communicating with any two of the first groove, the second groove and the third groove.

[0025] In the technical scheme, the first sealing member, the second sealing member and the third sealing member are integrally injection molded, the volume of the floating structure can be reduced, the sealing ring can be reduced, the assembly process of the parts can be reduced, and the production efficiency is improved.

[0026] In the second aspect, the utility model provides a battery pack comprising the joint assembly of the first aspect.

[0027] In a third aspect, the utility model provides a kind of electric equipment, including the battery pack of second aspect. BRIEF DESCRIPTION OF DRAWINGS

[0028] The preferred embodiments of the utility model are described below with reference to the accompanying drawings, in which:

[0029] Figure 1 It is the structure schematic view of the joint assembly of the utility model;

[0030] Figure 2 It is the sectional view of the joint assembly of the utility model;

[0031] Figure 3 It is the sectional view of floating piece and sealing piece of the utility model;

[0032] Figure 4 It is the structure schematic view of floating piece of the utility model;

[0033] Figure 5 It is the structure schematic view of another angle of floating piece of the utility model;

[0034] Figure 6 It is the sectional view of floating piece of the utility model.

[0035] Reference signs:

[0036] 1, main body;

[0037] 2, connecting pipe;21, shell;22, accommodating cavity;

[0038] 3, valve core;

[0039] 4, floating piece;41, installation part;411, first slot;412, second slot;413, third slot;414, separation part;415, communication hole;42, blocking part;43, containing hole;

[0040] 5, sealing piece;51, first sealing piece;52, second sealing piece;53, third sealing piece;

[0041] 6, elastic piece;

[0042] 7, pipe;

[0043] X, radial direction;Z, axial direction. DETAILED DESCRIPTION

[0044] The preferred embodiments of the utility model are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the utility model, and are not intended to limit the protection scope of the utility model.

[0045] It should be noted that in the description of the utility model, the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0046] In addition, it should be noted that in the description of the utility model, unless otherwise explicitly specified and limited, the terms "connection", "setting", "installation" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or direct connection, or indirect connection through intermediate medium. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0047] As Figures 1 to 6 As shown in the first aspect of the utility model, the joint assembly comprises a main body 1, a connecting pipe 2, a valve core 3 and a floating element 4, the connecting pipe 2 is arranged on the first side of the main body 1, the connecting pipe 2 comprises a shell 21 and a containing cavity 22 formed by the shell 21, the valve core 3 is arranged in the containing cavity 22, the floating element 4 is arranged in the containing cavity 22 and can move in the containing cavity 22, the joint assembly further comprises an elastic element 6 located between the valve core 3 and the shell 21 in the radial direction X, the floating element 4 is provided with a first sealing element 51 sealed with the shell 21 and a second sealing element 52 sealed with the valve core 3, and the first sealing element 51 and the second sealing element 52 are both located below the elastic element 6. The joint assembly further comprises a pipe 7 arranged on the second side of the main body 1, and the connecting pipe 2 and the pipe 7 are both hollow structures and are communicated.

[0048] The first sealing element 51 of the utility model can realize the sealing of the floating element 4 and the shell 21, the second sealing element 52 can realize the sealing of the floating element 4 and the valve core 3, and the first sealing element 51 and the second sealing element 52 are both located below the elastic element 6, that is, the sealing of the floating element 4, the shell 21 and the valve core 3 is realized by the floating element 4 located below the elastic element 6, which can reduce the volume of the floating element 4 and the height occupied in the axial direction Z, can reduce the overall height of the joint assembly, and further reduce the volume of the battery pack, in addition, because the axial size of the floating element 4 is reduced, the occupied space of the floating element 4 is reduced, and because the axial space occupied by the floating element 4 is small, the radial space in the containing cavity 22 is increased, the radial diameter of the elastic element 6 can be increased, the radial occupied volume of the elastic element 6 is correspondingly reduced, and the cross-sectional area of the liquid flowing through the elastic element 6 is further increased, so that the flow resistance of the joint assembly is reduced.

[0049] AsFigures 2 to 6 As shown, the floating member 4 can be matched with a counter connector (not shown), the floating member 4 is pressed upward by the counter connector in the housing 21 along the axial direction Z to move upward, and the valve core 3 is fixed. The floating member 4 includes a mounting portion 41 and a blocking portion 42, the mounting portion 41 is provided with a first groove 411 and a second groove 412, the first sealing member 51 is arranged in the first groove 411, and the second sealing member 52 is arranged in the second groove 412, so as to realize the fixation of the first sealing member 51 and the second sealing member 52, and further realize the sealing with the housing 21 and the valve core 3, and have good sealing reliability. The floating member 4 further includes a third sealing member 53 sealed with the counter connector, and the mounting portion 41 further includes a third groove 413, and the third sealing member 53 is arranged in the third groove 413. The floating member 4 not only includes the first sealing member 51 and the second sealing member 52, but also includes the third sealing member 53 arranged in the third groove 413, so as to realize the sealing with the counter connector, and the third sealing member 53 is arranged in the third groove 413, and has good sealing reliability. The blocking portion 42 limits the floating member 4 in the axial direction Z.

[0050] As shown in Figures 3 to 6 , the mounting portion 41 includes a partition portion 414 arranged between the first groove 411 and the second groove 412, and the first groove 411 and the second groove 412 are communicated and arranged at intervals in the radial direction X of the housing 21. The first groove 411 and the second groove 412 are arranged at intervals in the radial direction X, that is, the first sealing member 51 sealed with the housing 21 is arranged in the first groove 411, and the second sealing member 52 sealed with the valve core 3 is arranged in the second groove 412. The radial space in the housing 21 can be fully utilized, not only the volume and the occupied height of the floating member 4 can be reduced, but also the volume of the battery pack can be reduced, and the cross-sectional area of the liquid flowing through the elastic member 6 can be increased, and the flow resistance of the connector assembly can be reduced.

[0051] Referring to Figures 5 to 6 , the third groove 413 is arranged below the partition portion 414, and the projection of the third groove 413 overlaps at least partially with the first groove 411 and / or the second groove 412 in the axial direction Z of the housing 21. The third groove 413 is arranged below the partition portion 414, the axial space of the floating member 4 can be fully utilized, and has good space utilization, and the volume of the connector assembly can be reduced. The projection of the third groove 413 overlaps with the first groove 411 and / or the second groove 412 in the axial direction Z of the housing 21, that is, the thickness of the third sealing member 53 is large, so as to realize good sealing effect and good reliability.

[0052] Referring to Figures 2 to 3In the radial direction X of the shell 21, the first seal 51 is located between the shell 21 and the mounting portion 41, the second seal 52 is located between the valve core 3 and the mounting portion 41, the first seal 51 is located between the shell 21 and the mounting portion 41, and the sealing of the connecting pipe 2 and the floating element 4 can be realized, and the second seal 52 is located between the valve core 3 and the mounting portion 41, and the sealing of the valve core 3 and the floating element 4 can be realized. The first seal 51 and the second seal 52 are both sealed in the radial direction X of the shell 21, which can fully utilize the radial space in the shell 21, not only can reduce the volume and the occupied height of the floating element 4, but also can reduce the volume of the battery pack, and at the same time, the cross-sectional area of the liquid flowing through the elastic element 6 can be increased, thereby reducing the flow resistance of the joint assembly.

[0053] Referring to Figure 2 In the axial direction Z of the shell 21, the third seal 53 is located between the mounting portion 41 and the counter connector, and the third seal 53 is located between the mounting portion 41 and the counter connector, and the sealing of the floating element 4 and the counter connector can be realized. The third seal 53 makes full use of the axial space, and at the same time of realizing the sealing of the floating element 4 and the counter connector, the volume and the occupied height of the floating element 4 are reduced, and the volume of the battery pack can be reduced.

[0054] Referring to Figure 2 And Figure 5 The seal 5 is integrally injection molded, that is, the first seal 51, the second seal 52 and the third seal 53 are integrally injection molded, the mounting portion 41 is provided with a communication hole 415 communicating with any two of the first groove 411, the second groove 412 and the third groove 413, and the sealing material flows to the first groove 411, the second groove 412 and the third groove 413 through the communication hole 415 during injection molding, so that the first seal 51, the second seal 52 and the third seal 53 are integrated structure. The first seal 51, the second seal 52 and the third seal 53 are integrally injection molded, which not only can reduce the volume of the floating element 4, but also can reduce the setting of the sealing ring, thereby reducing the assembly process of the parts. In addition, the integrally injection molding of the seal improves the production efficiency.

[0055] In the second aspect, the battery pack of the utility model, including the joint assembly of the first aspect. The battery pack of the technical scheme includes the joint assembly of any technical scheme of the utility model, so it has all the technical effects of the joint assembly of any technical scheme of the utility model.

[0056] In the third aspect, the electric equipment of the utility model, including the battery pack of the second aspect. The electric equipment of the technical scheme includes the battery pack of any technical scheme of the utility model, so it has all the technical effects of the battery pack of any technical scheme of the utility model.

[0057] It should be noted that the above preferred embodiments are only used to illustrate the principles of the present application, and are not intended to limit the scope of protection of the present application. Without deviating from the principles of the present application, those skilled in the art can adjust the above setting methods so that the present application can be applied to more specific application scenarios.

[0058] Of course, the above alternative embodiments can also be used in cross cooperation between the alternative embodiments and between the alternative embodiments and the preferred embodiments, so as to combine new embodiments to be applied to more specific application scenarios.

[0059] So far, the technical solutions of the present application have been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the present application is obviously not limited to these specific embodiments. Without deviating from the principles of the present application, those skilled in the art can make equivalent changes or replacements to related technical features, and the technical solutions after these changes or replacements will fall within the protection scope of the present application.

Claims

1. A joint assembly, characterized by The joint assembly comprises: a body; a connecting pipe provided on a first side of the body, the connecting pipe comprising a housing and a receiving cavity formed by the housing; a valve core provided in the receiving cavity; a floating member provided in the receiving cavity and movable in the receiving cavity; wherein the joint assembly further comprises an elastic member located between the valve core and the housing in a radial direction, the floating member is provided with a first sealing member sealing the housing and a second sealing member sealing the valve core, and the first sealing member and the second sealing member are both located below the elastic member.

2. The joint assembly of claim 1, wherein, The floating member comprises a mounting portion and a blocking portion, the mounting portion is provided with a first groove and a second groove, the first sealing member is provided in the first groove, and the second sealing member is provided in the second groove.

3. The joint assembly of claim 2, wherein, The mounting portion comprises a partition portion provided between the first groove and the second groove, and the first groove and the second groove are in communication.

4. The joint assembly of claim 3, wherein, The floating member further comprises a third sealing member for sealing a counter joint, and the mounting portion further comprises a third groove, and the third sealing member is provided in the third groove.

5. The joint assembly of claim 4, wherein, The third groove is located below the partition portion, and a projection of the third groove in an axial direction of the housing at least partially overlaps the first groove and / or the second groove.

6. The fitting assembly of claim 2, wherein, In the radial direction of the housing, the first sealing member is located between the housing and the mounting portion, and the second sealing member is located between the valve core and the mounting portion.

7. The joint assembly of claim 4, wherein, In the axial direction of the housing, the third sealing member is located between the mounting portion and the counter joint.

8. The joint assembly of claim 4, wherein, The first sealing member, the second sealing member and the third sealing member are integrally injection molded, and the mounting portion is provided with a communication hole communicating any two of the first groove, the second groove and the third groove.

9. A cooling system characterized by, The joint assembly as claimed in any one of claims 1-8.

10. An electric device, characterized by The cooling system as claimed in claim 9.

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