CN220774833U - Battery replacement connector and battery pack - Google Patents

Abstract

The utility model discloses a battery pack and a battery replacement connector, wherein the battery replacement connector comprises: a connector body having a mounting groove; the sealing gasket comprises an annular sealing body and a sealing boss, wherein the sealing boss protrudes out of one side of the annular sealing body and is suitable for being matched with the mounting groove in an inserting mode, a limiting portion is arranged at an opening of the mounting groove, an elastic piece is arranged in the sealing boss, and the elastic piece is suitable for being inserted into the mounting groove and is clamped with the limiting portion. According to the electric replacement connector provided by the embodiment of the utility model, the elastic piece arranged in the sealing boss is clamped with the limiting part in the mounting groove, so that the reliability of connection between the sealing gasket and the connector body is improved, the sealing effectiveness of the electric replacement connector is ensured, and the maintenance of the electric replacement connector is reduced.

Description

Battery replacement connector and battery pack

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery replacement connector and a battery pack.

Background

The electric-changing connector is one of core components of a power battery electric-changing system, and is provided with a sealing ring which is used for guaranteeing the safety of the electric connector, however, in the prior art, after the sealing ring is used for a long time, the sealing ring is easy to fall off due to ageing of materials, and a good sealing effect cannot be maintained; and under the condition of not changing electricity for a long time, the sealing gasket is easy to adhere and easily drop, in addition, the sealing structure is easy to be damaged due to the reasons of collision of pulling force in the electricity changing process, effective sealing is difficult to ensure, and therefore, an improvement space exists.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an objective of the present utility model is to provide a replacement connector, which can improve the reliability of the connection between the sealing pad and the connector body, improve the sealing effect of the replacement connector, and reduce the maintenance of the replacement connector.

The utility model also provides a battery pack.

According to an embodiment of the first aspect of the present utility model, a power conversion connector includes: a connector body having a mounting slot; the sealing gasket comprises an annular sealing body and a sealing boss, wherein the sealing boss protrudes out of one side of the annular sealing body and is suitable for being matched with the mounting groove in an inserting mode, a limiting portion is arranged at the opening of the mounting groove, an elastic piece is arranged in the sealing boss, and the elastic piece is suitable for being inserted into the mounting groove and is clamped with the limiting portion.

According to the electric replacement connector provided by the embodiment of the utility model, the elastic piece is arranged in the sealing boss and is clamped with the limiting part in the mounting groove, so that the reliability of connection between the sealing gasket and the connector body is improved, the risk of falling off of the sealing gasket is reduced, the sealing effectiveness of the electric replacement connector is ensured, the sealing effect of the electric replacement connector is improved, and the maintenance of the electric replacement connector is reduced.

According to the electrical replacement connector provided by the embodiment of the utility model, the extending direction of the elastic piece is perpendicular to the extending direction of the annular sealing body, and the edge of the elastic piece is suitable for being clamped with the limiting part.

According to the electrical replacement connector provided by the embodiment of the utility model, the elastic piece forms an arc shape protruding towards one side away from the annular sealing body.

In some examples, the elastic member is an elastic sheet.

According to the electrical replacement connector provided by the embodiment of the utility model, the sealing boss forms an annular shape, and the sealing boss extends along the extending direction of the annular sealing body.

In some examples, the elastic member includes a plurality of elastic members, and the plurality of elastic members are spaced apart along the extending direction of the sealing boss.

According to the electrical replacement connector provided by the embodiment of the utility model, the limiting part forms the clamping protrusion protruding out of the inner wall surface of the mounting groove, and the elastic piece is suitable for extrusion deformation when the sealing boss is inserted into the mounting groove, and resets and is clamped with the clamping protrusion after the sealing boss is inserted into the mounting groove.

In some examples, the sealing boss is an interference fit with the mounting groove.

According to the electrical replacement connector provided by the embodiment of the utility model, the connector body comprises a shell, a high-voltage terminal and a low-voltage terminal, wherein the high-voltage terminal and the low-voltage terminal are arranged on the shell, and the mounting groove is formed in the shell.

According to a second aspect of the utility model, the battery pack is connected with the electrical replacement connector according to the first aspect of the utility model.

According to the battery pack provided by the embodiment of the utility model, by adopting the electric replacement connector, the tightness of an electric connection part can be ensured when the electric replacement connector is connected with the electric device connector, so that the short circuit risk is reduced, and the service life is prolonged. Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural view of a power conversion connector according to an embodiment of the present utility model;

FIG. 2 is a partial cross-sectional view of a power conversion connector according to an embodiment of the present utility model;

FIG. 3 is an enlarged view at A in FIG. 2;

FIG. 4 is a schematic view of the structure of a gasket according to an embodiment of the present utility model;

fig. 5 is a schematic view of a battery pack and a replacement connector installation according to an embodiment of the present utility model.

Reference numerals:

the electrical connector 100 is replaced with a replacement electrical connector,

connector body 10, mounting groove 11, limit portion 12, housing 13, high voltage terminal 14, low voltage terminal 15, fixing hole 16,

gasket 20, annular seal body 21, sealing boss 22, elastic member 23,

the battery pack 200 is provided with a battery,

the electrical device-side connector 300.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring now to fig. 1-4, a power conversion connector 100 in accordance with an embodiment of the present utility model is described.

As shown in fig. 1 to 4, a power conversion connector 100 according to an embodiment of the present utility model includes: the connector body 10 and the gasket 20, the connector body 10 has the mounting groove 11, the gasket 20 includes the annular seal body 21 and the seal boss 22, the seal boss 22 projects one side of the annular seal body 21, and the seal boss 22 can be with the mounting groove 11 grafting cooperation.

Wherein, the opening part of mounting groove 11 is equipped with spacing portion 12, is equipped with elastic component 23 in the sealed boss 22, and elastic component 23 can insert in the mounting groove 11 along with sealed boss 22, and elastic component 23 can with spacing portion 12 joint to carry out spacing after installing sealed boss 22, realize the fixed to sealed pad 20.

According to the electrical replacement connector 100 of the embodiment of the utility model, the elastic piece 23 is arranged in the sealing boss 22, and the elastic piece 23 is clamped with the limiting part 12 in the mounting groove 11, so that the reliability of connection between the sealing gasket 20 and the connector body 10 is improved, the risk of falling off of the sealing gasket 20 is reduced, the sealing effectiveness of the electrical replacement connector 100 is ensured, the sealing effect of the electrical replacement connector 100 is improved, and the maintenance of the electrical replacement connector 100 is reduced.

As shown in fig. 4, according to some embodiments of the present utility model, the elastic member 23 extends in a substantially vertical direction, and the portion of the annular sealing body 21 provided with the elastic member 23 extends in a horizontal direction, and the extending direction of the elastic member 23 is perpendicular to the annular sealing body 21, so that two opposite edges of the elastic member 23 can be engaged with the limiting portion 12.

As shown in fig. 3, according to some embodiments of the present utility model, the elastic member 23 is formed in an arc shape protruding to a side away from the annular sealing body 21 (a rear side of the annular sealing body 21 as shown in fig. 3), the sealing boss 22 is inserted into the installation groove 11 when the gasket 20 is installed, the elastic member 23 is simultaneously protruded into the installation groove 11, the elastic member 23 is pressed and deformed, and after the gasket 20 is fitted with the installation groove 11 in place, the elastic member 20 is positioned at a rear side of the stopper 12, the elastic member 20 is restored to be deformed until the edge of the elastic member 23 is engaged with the stopper 12, whereby the sealing boss 22 having the elastic member 23 is clamped with the installation groove 11.

As shown in fig. 4, according to some embodiments of the present utility model, the elastic member 23 may be an elastic sheet having a certain width, where the width is a dimension of the annular sealing body 21 in the extending direction; wherein, install the spacing portion 12 size of spacing department at the mounting groove 11 size of elasticity piece that is greater than the mounting groove 11 opening part to, when sealed boss 22 and elasticity piece installation, the spring leaf possesses elasticity, and when elasticity piece and the spacing portion 12 cooperation of mounting groove 11, elasticity piece resumes deformation, and elasticity piece can resume to original state for the border of elasticity piece can with spacing portion 12 block.

In other embodiments, a portion of the elastic member 23 may extend into the mounting groove, and a portion of the elastic member 23 extending into the mounting groove 11 may be engaged with the limiting portion 12, where the size of the limiting portion 12 at the opening of the mounting groove 11 is smaller than the size of the portion of the elastic member 23 extending into the mounting groove 11; the middle part of the elastic piece 23 can deform and can recover part of deformation, so that the elastic piece 23 is clamped with the limiting part 12.

As shown in fig. 4, according to some embodiments of the present utility model, the sealing boss 22 is formed in a ring shape, the sealing boss 22 extends along the extending direction of the ring-shaped sealing body 21, correspondingly, the mounting groove 11 is formed in a ring shape, and the sealing boss 22 can be inserted into the mounting groove 11, so that, on one hand, the mounting position of the sealing gasket 20 can be positioned in an auxiliary manner, and sliding and dislocation of the sealing gasket 20 during mounting can be prevented, and on the other hand, the interference fit between the sealing boss 22 and the mounting groove 11 can improve the sealing effect and reduce maintenance of the electrical replacement connector 100.

In some examples, the elastic member 23 includes a plurality of elastic members 23 arranged at intervals along the extending direction of the sealing boss 22, enabling the entire gasket 20 to be more firmly attached to the connector body 10.

In other examples, one side (the rear side as shown in fig. 4) of the annular sealing body 21 is provided with a plurality of sealing bosses 22, and each sealing boss 22 is provided with an elastic member 23, and correspondingly, the mounting groove 11 includes a plurality of sealing bosses 22, and each sealing boss 22 is matched with a corresponding mounting groove 11, and the mounting groove 11 may also be formed into an annular shape.

According to some embodiments of the present utility model, the gasket 20 is an integrally formed structure, i.e., the elastic member 23 may be integrated inside the sealing boss 22 when the sealing boss 22 and the annular sealing body 21 are molded or injection molded, such that the elastic member 23 is integrally formed with both, such that the gasket 20 is formed as a single piece.

As shown in fig. 3, according to some embodiments of the present utility model, the limiting portion 12 forms a protruding portion protruding from an inner wall surface of the mounting groove 11, the elastic member 23 can elastically deform when the sealing boss 22 is inserted into the mounting groove 11, and after the sealing boss 22 is inserted into the mounting groove 11, the elastic member 23 is restored to its original shape and is snapped with the protruding portion, so that the sealing pad 20 and the mounting groove 11 do not fall off, thereby effectively ensuring that the sealing pad 20 is mounted on the connector body 10, ensuring connection reliability, further improving sealing effect of the electrical replacement connector 100, and reducing maintenance of the electrical replacement connector 100.

Wherein, the mounting groove 11 can be a U-shaped groove, and the mounting groove 11 includes a bottom wall and two opposite side walls, and the spacing portion 12 forms the protruding card of protruding lateral wall, is equipped with a card respectively protruding on two lateral walls, and two card protruding opposite arrangement.

In other examples, the mounting groove 11 may be in the form of a dovetail groove, the opening of which has a reduced mouth, and the resilient member 23 may be snapped at the edge of the reduced mouth.

Of course, the mounting groove 11 may also adopt other groove structures such as T-shaped structures, so as to facilitate clamping the elastic member 23, so that the sealing gasket 20 and the mounting groove 11 do not fall off, and the sealing gasket 20 is effectively ensured to be mounted on the connector body 10.

In some examples, the sealing boss 22 is in interference fit with the mounting groove 11, the sealing boss 22 has elastic performance, the size of the sealing boss 22 is larger than that of the mounting groove 11, and the sealing boss 22 has a certain tendency to restore to the original position, so that the sealing boss 22 can be in interference fit with the mounting groove 11, the reliability of the matching of the sealing boss 22 and the mounting groove 11 is improved, and the fixing effect of the sealing gasket 20 is improved.

As shown in fig. 1, according to some embodiments of the present utility model, a connector body 10 includes a housing 13, a high voltage terminal 14 and a low voltage terminal 15, the high voltage terminal 14 and the low voltage terminal 15 are provided on the housing 13, and a mounting groove 11 is provided on the housing 13, a gasket 20 is mated with the housing 13 to realize the mounting of the gasket 20, and the high voltage terminal 14 and the low voltage terminal 15 are respectively used to electrically connect with a battery pack 200 to transmit a circuit within the battery pack 200.

As shown in fig. 5, the battery pack 200 according to the embodiment of the present utility model, the battery pack 200 is connected to the electrical replacement connector 100. Specifically, the housing 13 of the connector body 10 has a fixing hole 16 thereon, and the fixing hole 16 and the battery pack 200 are penetrated by a fastener (not shown) such that the connector body 10 is fixedly connected with the battery pack 200, whereby the electrical replacement connector 100 is mounted at one side of the battery pack 200 (the front side of the battery pack 200 as shown in fig. 5).

According to the battery pack 200 of the embodiment of the utility model, by adopting the above-mentioned power conversion connector 100, when the power conversion connector 100 is connected with the power utilization device connector 300, the tightness of the electric connection part can be ensured, thereby reducing the risk of short circuit and prolonging the service life.

As shown in fig. 5, during the power exchange, the battery pack 200 moves in the front-rear direction, and the locking mechanism (not shown) is locked and unlocked by the front-rear movement, and during the power exchange, the power utilization device-side connector 300 is connected to the power exchange connector 100, and the battery pack 200 is on one side of the power exchange connector 100 (the lower side of the battery pack 200 as shown in fig. 5) and is not on the same side as the power utilization device-side connector 300, wherein the power utilization device may be a vehicle, a ship, or the like.

Other constructions and operations of the battery pack 200 according to the embodiment of the present utility model are known to those of ordinary skill in the art, and will not be described in detail herein. In the description of the utility model, a "first feature" or "second feature" may include one or more of such features. The vertical direction, the horizontal direction, and the front-rear direction are defined by the vertical direction, the horizontal direction, and the front-rear direction in the drawing.

In the description of the present utility model, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An electrical replacement connector, comprising:

a connector body having a mounting slot;

the sealing gasket comprises an annular sealing body and a sealing boss, wherein the sealing boss protrudes out of one side of the annular sealing body and is suitable for being in plug-in fit with the mounting groove,

the opening part of the mounting groove is provided with a limiting part, an elastic piece is arranged in the sealing boss and is suitable for being inserted into the mounting groove and clamped with the limiting part.

2. The electrical replacement connector according to claim 1, wherein the extending direction of the elastic member is perpendicular to the extending direction of the annular sealing body, and the edge of the elastic member is adapted to be clamped with the limiting portion.

3. The electrical replacement connector of claim 1, wherein the resilient member forms an arc that projects to a side away from the annular seal body.

4. A replacement electrical connector according to claim 3, wherein the resilient member is a resilient tab.

5. The electrical replacement connector of claim 1, wherein the sealing boss forms an annular shape, the sealing boss extending along an extension direction of the annular sealing body.

6. The electrical replacement connector of claim 5, wherein the resilient member comprises a plurality of resilient members spaced apart along the extension of the sealing boss.

7. The electrical replacement connector according to claim 1, wherein the limiting portion forms a catching protrusion protruding from an inner wall surface of the mounting groove, and the elastic member is adapted to be deformed by pressing when the sealing boss is inserted into the mounting groove, and to be reset and caught with the catching protrusion after the sealing boss is inserted into the mounting groove.

8. The electrical replacement connector of claim 7, wherein the sealing boss is an interference fit with the mounting groove.

9. The electrical replacement connector according to any one of claims 1 to 8, wherein the connector body includes a housing, a high voltage terminal and a low voltage terminal, the high voltage terminal and the low voltage terminal being provided on the housing, and the mounting groove being provided on the housing.

10. A battery pack, wherein the electrical replacement connector according to any one of claims 1-8 is connected to the battery pack.