CN220895686U

CN220895686U - Waterproof assembly structure and battery

Info

Publication number: CN220895686U
Application number: CN202322172494.9U
Authority: CN
Inventors: 王公齐; 王增伟; 江宜建; 李润朝; 廖兴群
Original assignee: Guangdong Highpower New Energy Technology Co Ltd
Current assignee: Guangdong Highpower New Energy Technology Co Ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-05-03
Anticipated expiration: 2033-08-11

Abstract

The application relates to a waterproof assembly structure and a battery. The waterproof assembly structure comprises a mounting groove, wherein the mounting groove is formed in a shell, a notch of the mounting groove faces to the outer side of the shell, and a sealing matching part is arranged in the mounting groove; the waterproof sleeve is arranged in the mounting groove, a containing cavity for containing the circuit board is formed in the waterproof sleeve, a fitting part is formed at the periphery of the containing cavity, and the fitting part is in contact with the sealing matching part; and the fixing piece is fixedly connected with the shell and used for fixing the waterproof sleeve in the mounting groove. The scheme provided by the application can avoid the problems of inconvenient assembly and difficult demolding production of the shell caused by narrow internal space of the shell in the related technology.

Description

Waterproof assembly structure and battery

Technical Field

The application relates to the technical field of new energy, in particular to a waterproof assembly structure and a battery.

Background

In recent years, new energy lithium ion batteries have been actively developed, and outdoor products using rechargeable lithium ion batteries as driving force sources are increasingly diversified, and power type batteries with exquisite appearance, complete functions and high water resistance are increasingly required.

In the related art, a power battery is generally provided with an electronic component with a charge amount display and a key, the electronic component is mounted on a housing of the battery through a waterproof assembly structure, the waterproof assembly structure generally comprises a soft rubber key (or double-shot molding), a transparent light guide column, black foam for preventing light from being crossed, a screw and other components, however, the related art generally needs to assemble the components from the inside of the power battery housing, when the internal space of the battery housing is small, the assembly from the inside of the power battery housing is very inconvenient, the housing is difficult to be produced by demolding, and the cost is high

Disclosure of utility model

In order to solve or partially solve the problems existing in the related art, the application provides a waterproof assembly structure and a battery, which can avoid the problems of inconvenient assembly and difficult demolding production of a shell caused by narrow internal space of the shell in the related art.

The application provides a waterproof assembly structure, which comprises a mounting groove, a sealing assembly part and a waterproof assembly part, wherein the mounting groove is arranged on a shell, a notch of the mounting groove faces to the outer side of the shell, and the sealing assembly part is arranged in the mounting groove;

The waterproof sleeve is arranged in the mounting groove, a containing cavity for containing the circuit board is formed in the waterproof sleeve, a fitting part is formed at the periphery of the containing cavity, and the fitting part is in contact with the sealing matching part;

The fixing piece is arranged at the notch and fixedly connected with the shell, and is used for fixing the waterproof sleeve in the mounting groove.

In some embodiments, the sealing matching portion includes a supporting platform, the circuit board is abutted against the supporting platform, and the attaching portion of the waterproof sleeve is abutted against the supporting platform.

In some embodiments, the support platform is provided with a plurality of connecting columns, and the fixing piece is connected with the connecting columns through connecting pieces; and/or the number of the groups of groups,

The supporting platform is provided with a plurality of limiting columns, and the circuit board is provided with limiting grooves matched with the limiting columns.

In some embodiments, the fixing piece is provided with a pressing portion extending towards the inner side of the mounting groove, and the attaching portion of the waterproof sleeve is pressed on the supporting platform by the pressing portion.

In some embodiments, the circuit board is provided with a switch and a light source, and the waterproof sleeve is provided with a light guide part aligned with the light source and a control part aligned with the switch.

In some embodiments, the light guiding portion is a first protrusion disposed on the waterproof sleeve, the control portion is a second protrusion disposed on the waterproof sleeve, the fixing member is provided with a first through hole and a second through hole, the first protrusion is accommodated in the first through hole, and the second protrusion is accommodated in the second through hole.

In some embodiments, the waterproof sleeve, the manipulation portion, and the light guide portion are integrally formed.

In some embodiments, the waterproof sleeve is made of a light-transmitting material, and the fixing piece is made of a non-light-transmitting material.

In some embodiments, the waterproof jacket is made of silica gel.

A second aspect of the application provides a battery comprising the waterproof mounting structure as described in the first aspect above.

The technical scheme provided by the application can comprise the following beneficial effects:

The scheme provided by the embodiment comprises a mounting groove, wherein the mounting groove is arranged on the shell, a notch of the mounting groove faces to the outer side of the shell, and a sealing matching part is arranged in the mounting groove; the waterproof sleeve is arranged in the mounting groove, a containing cavity for containing the circuit board is formed in the waterproof sleeve, a fitting part is formed at the periphery of the containing cavity, and the fitting part is in contact with the sealing matching part; the fixing piece is arranged at the notch and fixedly connected with the shell, and is used for fixing the waterproof sleeve in the mounting groove. According to the scheme provided by the application, the circuit board, the waterproof sleeve and the fixing piece can be assembled from the outer side of the shell, and the problems that the assembly is inconvenient and the shell is difficult to mold out production due to the narrow internal space of the shell in the related art can be avoided.

Further, the sealing matching part comprises a supporting platform, the circuit board is abutted against the supporting platform, and the attaching part of the waterproof sleeve is tightly attached to the supporting platform, so that the circuit board is in a sealing environment.

Furthermore, the waterproof sleeve, the control part and the light guide part are integrally formed, so that the assembly steps are simplified, and the cost is reduced.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.

Drawings

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.

FIG. 1 is a schematic view of the mounting location of a mounting structure on a housing shown in an embodiment of the application;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 3 is an exploded view of an assembled structure shown in an embodiment of the present application.

Reference numerals: 100. a housing; 110. a mounting groove; 111. a hole; 112. a support platform; 113. a connecting column; 120. a circuit board; 121. a substrate; 122. a light source; 123. a switch; 130. a waterproof jacket; 131. a housing chamber; 132. a light guide section; 133. a control unit; 134. a bonding part; 140. a fixing member; 141. a body; 142. a first through hole; 143. a second through hole; 144. a connection hole; 145. a pressing part; 150. and a connecting piece.

Detailed Description

Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the application. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present application, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements 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 application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly, as they may be fixed, removable, or integral, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

The related art generally requires assembling the above components from the inside of the power battery case, and when the internal space of the battery case is small, the assembling from the inside of the power battery case is very inconvenient, and the case is difficult to be die-cast for production, with high costs. In view of the above problems, embodiments of the present application provide a waterproof assembly structure, which can avoid the problems of inconvenient assembly and difficult demolding production of a housing due to a narrow internal space of the housing in the related art.

The following describes the technical scheme of the embodiment of the present application in detail with reference to the accompanying drawings.

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1; fig. 3 is an exploded view of an assembled structure shown in an embodiment of the present application.

Referring to fig. 1 to 3, an assembly structure provided in an embodiment of the present application includes:

The installation groove 110 is arranged on the shell 100, the notch of the installation groove 110 faces to the outer side of the shell, and a sealing matching part is arranged in the installation groove 110;

The waterproof jacket 130 is arranged in the mounting groove 110, a containing cavity 131 for containing the circuit board 120 is arranged in the waterproof jacket 130, the waterproof jacket 130 forms a bonding part 134 at the periphery of the containing cavity 131, and the bonding part 134 is in contact with the sealing matching part;

The fixing member 140 is disposed at the notch and fixedly connected to the housing 100, and is used for fixing the waterproof jacket 130 in the mounting groove 110.

In this embodiment, the waterproof assembly structure may be applied to a battery, the circuit board may be used for displaying and controlling the electric quantity of the battery, the battery may be a power battery or an energy storage battery, the battery has a housing 100, a battery core and a control module are installed in the housing 100, and the circuit board 120 is electrically connected with the control module.

The waterproof jacket 130 can seal the circuit board 120, so that the waterproof performance is improved, and the notch of the mounting groove 110 faces the outside of the shell 100, so that the circuit board 120, the waterproof jacket 130 and the fixing piece 140 can be mounted from the outside of the shell 100, and compared with the related art, the waterproof jacket 130 occupies less space in the shell 100, is not limited by the space in the shell 100, and is more convenient to assemble.

The waterproof assembly structure of the embodiment may be disposed on a side surface of the battery case 100, for example, may be disposed at a position of the battery case 100 along a vertical direction, and it is difficult to assemble components such as a circuit board and a light guide column due to a small space in the side surface of the battery case 100 in the related art, and it is difficult to eject the die from the inclined top when the case is formed. According to the scheme provided by the embodiment, the circuit board 120, the waterproof sleeve 130 and the fixing piece 140 can be assembled from the outer side of the shell 100, so that compared with the prior art, the problem that the shell cannot be produced by the die obliquely pushing due to the small inner space of the shell 100 in the prior art can be avoided while the higher waterproof level is realized, and the design space and the cost in the shell are saved and optimized.

In this embodiment, the circuit board 120 is provided with a light source 122 for displaying electric quantity information, the light source 122 includes a plurality of LED beads disposed on the circuit board 120, when the LED beads emit light, the light source can be used for displaying electric quantity, the switch 123 can be a tact switch disposed on the circuit board 120, and a user can control the light emitting state of the light source, for example, the display state of the LED beads is turned on or off by manipulating the switch.

The outer contour shape of the waterproof jacket 130 may be disposed to match the inner contour shape of the installation groove 110, so that the waterproof jacket 130 can be received in the installation groove 110.

The light guide 132 may be a cylindrical structure, such as a cylinder or a prism, disposed on the waterproof jacket 130, and the light emitted by the light source 122 can penetrate the light guide 132 to allow a user to observe the power display information of the battery outside the housing.

With continued reference to fig. 3, in some embodiments, the waterproof jacket 130 has a jacket-shaped structure, and a receiving cavity 131 is disposed in the waterproof jacket 130, the receiving cavity 131 faces the inner side of the mounting groove 110, and an inner contour shape of the receiving cavity 131 can be set to match a shape of the circuit board 120, so that the circuit board 120 can be received in the receiving cavity 131.

The sealing matching part comprises a supporting platform 112, the circuit board 120 is abutted against the supporting platform 112, and the attaching part 134 of the waterproof sleeve 130 is abutted against the supporting platform 112. The mounting groove 110 is provided with a hole 111 for a wire to pass through at a position far away from the notch, the wire is used for connecting a control module of the battery and the circuit board 120, a supporting platform 112 is arranged around the hole 111, the waterproof sleeve 130 forms a fitting part 134 at the periphery of the accommodating cavity, the fitting part 134 is in contact with the supporting platform 112, for example, the fitting part 134 is tightly attached to the supporting platform 112, and therefore the waterproof performance is improved.

In some embodiments, the supporting platform 112 includes a first planar structure, the attaching portion 134 has a second planar structure attached to the first planar structure, and when the second planar structure is attached to the first planar structure, the accommodating cavity 131 of the waterproof jacket 130 can be sealed from a space outside the housing 100, so that the circuit board 120 is located in a sealed environment, and compared with the manner of filling waterproof glue in the related art, the waterproof grade of the present application is higher, for example, the waterproof grade of IPX7 can be achieved.

With continued reference to fig. 3, in some embodiments, the circuit board 120 includes a substrate 121, a side of the substrate 121 facing away from the waterproof jacket 130 abuts against the supporting platform 112, and a plurality of connection posts 113 for limiting the substrate 121 are disposed on the supporting platform 112, and an axial direction of the connection posts 113 faces toward the notch of the mounting groove 110. Specifically, a connecting column 113 is respectively arranged on the periphery of the supporting platform 112 near the side wall of the mounting groove, a concave portion is respectively arranged on the periphery of the circuit board 120, and when the circuit board 120 is placed in the mounting groove 110, the four concave portions are respectively matched with the four connecting columns 113, so that the stability of the circuit board 120 in the mounting groove 110 is improved.

The substrate 121 of the circuit board 120 is provided with a switch 123 and/or a light source 122 on the side opposite to the waterproof jacket 130. The switch 123 may be in contact with the inside of the waterproof jacket 130 at a position corresponding to the manipulation, and the light source 122 may be in contact with the inside of the waterproof jacket 130 at a position corresponding to the light guide 132.

Referring to fig. 2 and 3, in the present embodiment, the fixing member 140 is connected to the connecting post 113 through the connecting member 150, and the fixing member 140 is used for pressing the attaching portion 134 of the waterproof jacket 130 against the supporting platform 112. After such arrangement, the second planar structure of the waterproof jacket 130 is more stably matched with the first planar structure of the supporting platform 112, so that water can be more effectively prevented from entering the housing 100 from the matched position of the waterproof jacket 130 and the supporting platform 112.

In some embodiments, the fixing member 140 includes a sheet-shaped body 141, and the body 141 is provided with a pressing portion 145 (shown in fig. 2) extending toward the inner side of the mounting groove 110, where the pressing portion 145 is pressed against the attaching portion 134, that is, the attaching portion is pressed against the supporting platform by the pressing portion, so that the attaching portion 134 is more tightly matched with the supporting platform 112, and the waterproof performance is further improved.

In some embodiments, the connecting post 113 is provided with a threaded hole along the axis thereof, the body 141 of the fixing member 140 is provided with a connecting hole 144 corresponding to the connecting post 113, the connecting member 150 may be a screw, and the screw is connected with the threaded hole after penetrating through the connecting hole 144 from outside to inside, so that the fixing member can be installed on the housing in an outside operation of the housing, and the operation is more convenient.

In some embodiments, the supporting platform 112 is provided with a plurality of limiting posts, and the circuit board 120 is provided with limiting grooves matched with the limiting posts, so that the circuit board can be limited in the mounting groove 110, and the circuit board 120 is matched with the mounting groove in a specific direction, so that the assembly accuracy and the assembly speed can be improved.

When in installation, the circuit board 120 is firstly placed in the installation groove 110 according to a specific orientation, then the waterproof sleeve 130 is covered on the circuit board 120, and finally the fixing piece 140 is fixed on the connecting post 113 through the connecting piece 150. The entire installation process can be performed on the outer side of the housing 100, and the assembly is more convenient while the waterproof performance is improved.

With continued reference to fig. 2, in some embodiments, a side of the waterproof jacket 130 facing away from the substrate 121 has an abutment portion, which may be a plane, on which a first protrusion and a second protrusion are disposed, where the first protrusion is configured as the light guiding portion 132, and the second protrusion is configured as the handling portion 133; the body 141 of the fixing member 140 is tightly attached to the plane, and a first through hole 142 and a second through hole 143 are formed in the body 141, wherein the first protrusion is used for being accommodated in the first through hole 142, and the second protrusion is used for being accommodated in the second through hole 143.

After such setting, the user can realize controlling switch 123 in mounting 140's the outside and judge the residual capacity of battery through the demonstration condition of light source 122, and mounting 140 not only can protect waterproof cover 130, avoids waterproof cover 130 to damage because of external force, waterproof cover 130 is spacing with mounting 140 each other moreover, has promoted waterproof cover 130's installation stability, avoids waterproof cover 130 to warp the damage because of vibration, impact, has promoted waterproof persistence.

In some embodiments, the area of the waterproof jacket 130 except the light guiding portion 132 is made of a non-light-transmitting material; or the waterproof jacket 130 is made of a light-transmitting material, and the fixing member 140 is made of a non-light-transmitting material.

In some embodiments, the waterproof jacket 130 is made of a flexible material, the fixing member 140 is made of a hard material, for example, the waterproof jacket 130 may be made of a silica gel material, the fixing member 140 is made of a hard plastic or metal material, and the waterproof jacket 130 and the supporting platform 112 can be sealed and matched more effectively due to the waterproof jacket 130 being made of a flexible material, and the fixing member 140 has a better protection effect on the waterproof jacket 130 due to the hard material.

In some embodiments, the control portion and the light guide portion 132 of the waterproof cover 130 are integrally formed, which saves cost and simplifies the installation process.

The waterproof assembly structure provided by the embodiment of the application is described above, and correspondingly, the application also provides a battery comprising the waterproof assembly structure provided by the embodiment.

The battery may be a power battery, an energy storage battery or other types of batteries, the main body includes a housing 100, an electric core and a control module are installed in the housing 100, and a circuit board 120 is electrically connected with the control module.

According to the battery provided by the application, the waterproof sleeve 130 covers one side of the circuit board 120 facing the notch, so that the circuit board 120 can be sealed, and the waterproof performance is improved. The mounting groove 110 can be formed on the housing 100, and since the notch of the mounting groove 110 faces the outside of the housing 100, the circuit board 120 and the waterproof jacket 130 can be mounted from the outside of the housing 100, and compared with the related art, the mounting groove has the advantages of less space occupation in the housing 100, more convenience in assembly and cost reduction.

The foregoing description of embodiments of the application has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A waterproof assembly structure, comprising:

The mounting groove is arranged on the shell, a notch of the mounting groove faces the outer side of the shell, and a sealing matching part is arranged in the mounting groove;

2. The fitting structure of claim 1, wherein:

The sealing matching part comprises a supporting platform, the circuit board is propped against the supporting platform tightly, and the attaching part of the waterproof sleeve is clung to the supporting platform tightly.

3. The fitting structure according to claim 2, characterized in that:

The support platform is provided with a plurality of connecting columns, and the fixing piece is connected with the connecting columns through connecting pieces; and/or the number of the groups of groups,

4. The fitting structure according to claim 2, characterized in that:

the mounting is equipped with towards the inboard direction extension of mounting groove compresses tightly the portion, waterproof cover's laminating portion by compress tightly the portion compress tightly in supporting platform.

5. The fitting structure of claim 1, wherein:

The waterproof cover is provided with a light guide part aligned with the light source and a control part aligned with the switch.

6. The fitting structure of claim 5, wherein:

The light guide part is arranged on the first bulge of the waterproof sleeve, the control part is arranged on the second bulge of the waterproof sleeve, the fixing piece is provided with a first through hole and a second through hole, the first bulge is accommodated in the first through hole, and the second bulge is accommodated in the second through hole.

7. The fitting structure of claim 5, wherein:

The waterproof sleeve, the control part and the light guide part are integrally formed.

8. The fitting structure of any one of claims 1-7, wherein:

The waterproof sleeve is made of a light-transmitting material, and the fixing piece is made of a non-light-transmitting material.

9. The fitting structure of any one of claims 1-7, wherein:

The waterproof sleeve is made of silica gel.

10. A battery comprising the waterproof mounting structure according to any one of claims 1 to 9.