CN219937201U

CN219937201U - Battery housing assembly and battery

Info

Publication number: CN219937201U
Application number: CN202321003274.7U
Authority: CN
Inventors: 周原; 毛棉来; 余滨
Original assignee: Beijing Lanpeng Ruichi Technology Co ltd
Current assignee: Beijing Lanpeng Ruichi Technology Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-10-31
Anticipated expiration: 2033-04-27

Abstract

The utility model provides a housing assembly of a battery and the battery, wherein the housing assembly comprises: the upper shell is used for defining a battery cell accommodating cavity with an opening at the bottom end, and the top wall of the upper shell is provided with a mounting hole communicated with the battery cell accommodating cavity; the pole assembly penetrates through the mounting hole; the insulating spacer is clamped between the top wall of the upper shell and a part of the structure of the pole assembly in the battery cell accommodating cavity; and the fixed glue component is arranged outside the upper shell so as to connect the top wall of the upper shell and the part structure of the pole assembly, which is positioned outside the cell accommodating cavity. According to the shell assembly of the battery, the pole assembly and the upper shell are connected and isolated by the fixing glue component, so that parts can be reduced, assembly difficulty is reduced, and assembly efficiency of the battery is improved. In addition, the number of parts is small, so that the cost can be reduced, and the energy density can be improved.

Description

Battery housing assembly and battery

Technical Field

The utility model relates to the technical field of new energy, in particular to a shell assembly of a battery and the battery.

Background

With the gradual development of new energy automobile industry, the requirements of people on the aspects of battery energy density, safety, cost and the like are also higher and higher.

The current mainstream battery in the market has the advantages that the pole and the shell are usually connected in a welding or riveting mode, and the riveting and welding process is adopted, so that more parts are involved, the whole structure of the battery is complex, the assembly difficulty is high, the assembly efficiency is low, and the improvement of the battery energy density and the reduction of the cost are not facilitated. Therefore, improvement in the structure of the battery is required.

Disclosure of Invention

In view of the above, the present utility model provides a housing assembly of a battery and a battery, in which a fixing adhesive member is used to connect and isolate a post assembly and an upper case, so that parts involved in connection can be reduced, and the overall assembly structure of the battery is simplified, thereby reducing assembly difficulty, improving assembly efficiency of the battery, reducing cost, and being beneficial to improving energy density of the battery.

The present utility model provides a housing assembly of a battery, comprising: the upper shell is used for defining a battery cell accommodating cavity with an opening at the bottom end, and the top wall of the upper shell is provided with a mounting hole communicated with the battery cell accommodating cavity; the pole assembly penetrates through the mounting hole; the insulating spacer is clamped between the top wall of the upper shell and a part of the structure of the pole assembly in the battery cell accommodating cavity; and the fixed glue component is arranged on the outer side of the upper shell so as to connect the top wall of the upper shell and the part structure of the pole assembly, which is positioned outside the cell accommodating cavity.

According to the shell assembly of the battery, the fixed glue component is arranged between the pole assembly and the upper shell so as to connect and isolate the pole assembly and the upper shell, and compared with the scheme that the pole assembly and the battery shell are connected in a welding or riveting mode in the related art, the shell assembly of the battery can reduce parts involved in connection, simplify the whole assembly structure of the battery, reduce the assembly difficulty and improve the assembly efficiency of the battery. The problem that welding cannot be performed between the upper shell and the pole assembly of different materials can be avoided. In addition, the number of the related parts is smaller, so that the internal space of the cell accommodating cavity is saved, and the energy density of the battery is improved.

In some embodiments, the pole assembly comprises: the pole body penetrates through the mounting hole, and a part of the pole body is located on the outer side of the upper shell; the battery cell connecting piece is arranged in the battery cell accommodating cavity and is connected with the axial inner end of the pole body, the projection of the mounting hole in the reference plane is positioned in the projection of the battery cell connecting piece in the reference plane, and the reference plane is parallel to the top wall of the upper shell; the fixed glue component is connected with the pole body and the outer surface of the top wall, and the insulating spacer is arranged between the electric core connecting piece and the inner surface of the top wall.

Optionally, the side wall of the pole body is provided with a fixing groove recessed inwards along the radial direction, and an embedded part is formed on one side of the fixing glue component, which faces the pole body, and is embedded into the fixing groove.

Optionally, the top wall of the upper shell is formed with an installation sinking table recessed downwards along the axial direction, the installation hole is formed in the bottom wall of the installation sinking table, and at least part of the bottom wall structure of the fixing glue member is connected with the inner wall of the installation sinking table.

Optionally, a protruding rib protruding outwards along the axial direction is formed on the periphery of the mounting hole, a matching groove matched with the protruding rib is formed on the bottom wall of the fixing glue member, and the protruding rib is suitable for being embedded into the matching groove.

Optionally, a limiting structure is formed on the protruding rib, a limiting matching structure matched with the limiting structure is formed on the bottom wall of the matching groove, and the limiting structure is in limiting matching with the limiting matching structure.

Optionally, a first mounting gap is defined between the pole body and the mounting hole inner wall, and the housing assembly further includes: and the sealing ring is suitable for sealing the first installation gap.

Optionally, a second installation gap is defined between the insulating spacer and the pole body, the second installation gap is communicated with the first installation gap, and the sealing ring is further suitable for sealing the second installation gap.

In a specific example, the pole body is welded with the cell connector.

A second aspect of the present utility model provides a battery comprising: a housing assembly of a battery according to the first aspect of the present utility model; and the battery cell is arranged in the battery cell accommodating cavity.

According to the battery provided by the utility model, the whole assembly structure of the battery can be simplified by arranging the shell assembly in the first aspect, so that the assembly difficulty is reduced, and the assembly efficiency of the battery is improved. And the internal space of the cell accommodating cavity is saved, so that the energy density of the battery is improved.

Drawings

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

Fig. 1 is a schematic structural view of a housing assembly of a battery according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of an upper case of a housing assembly according to an embodiment of the present utility model.

Reference numerals illustrate:

a 100-housing assembly;

1-an upper shell;

11-installing a sinking platform; 12-mounting holes; 13-convex ribs; 131-a limiting structure;

a 2-pole assembly;

21-a pole body; 211-a fixed groove; 212-injecting glue guide surface; 22-cell connectors;

3-insulating spacers;

4-fixing the glue component;

41-an embedding part; 42-a mating groove; 43-positioning the step;

5-a sealing ring; 6-a first installation gap; 7-second installation gap.

Detailed Description

In order to make the above objects, features and advantages of the embodiments of the present utility model more comprehensible, the technical solutions of the embodiments of the present utility model will be described clearly and completely with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In view of this, the utility model provides a housing assembly of a battery and a battery, which use a fixing glue component to connect and isolate a pole assembly and an upper shell, so as to reduce parts involved in connection, simplify the whole assembly structure of the battery, thereby reducing assembly difficulty, improving assembly efficiency of the battery, reducing cost, and being beneficial to saving the internal space of a battery core accommodating cavity, thereby improving energy density of the battery.

A case assembly 100 of a battery according to an embodiment of the first aspect of the present utility model is described below with reference to fig. 1 and 2.

The housing assembly 100 of the present embodiment may be used with batteries such as cylindrical lithium batteries, although other types of batteries are also possible. The housing assembly 100 includes: the pole assembly comprises an upper shell 1, a pole assembly 2, an insulating spacer 3 and a fixing adhesive member 4.

Specifically, referring to fig. 1 and 2, the upper case 1 is cylindrical, the upper case 1 defines a battery cell accommodating cavity, the bottom end of the battery cell accommodating cavity is open, the top wall of the upper case 1 is provided with a mounting hole 12, the mounting hole 12 may penetrate through the top wall along the axial direction of the upper case 1 and be communicated with the battery cell accommodating cavity, and the mounting hole 12 may be a round hole, or may be a square hole or a hole with other shapes.

The pole assembly 2 can be arranged in the mounting hole 12 in a penetrating manner, so that one part of the structure of the pole assembly 2 is positioned in the battery core accommodating cavity, the other part of the structure is positioned outside the battery core accommodating cavity, and the pole assembly 2 can be used for connecting the battery core with an external circuit, so that the electric quantity of the battery core is transmitted to the outside.

The insulating spacer 3 is the slice, and the insulating spacer 3 presss from both sides to locate the roof of epitheca 1 and the utmost point post subassembly 2 is located between the partial structure in electric core holding chamber to avoid taking place the short circuit between epitheca 1 and the utmost point post subassembly 2, cause the security risk.

The fixing glue member 4 is disposed outside the upper case 1, and the fixing glue member 4 can connect the top wall of the upper case 1 and a part of the structure of the pole assembly 2 outside the cell accommodating cavity, in other words, the top wall of the upper case 1 and the pole can be connected by gluing through the fixing glue member 4.

According to the housing assembly 100 of the battery in the embodiment of the utility model, the fixing glue member 4 is arranged between the pole assembly 2 and the upper shell 1 to connect and isolate the pole assembly 2 and the upper shell 1, compared with the scheme of connecting the pole assembly and the battery shell in a welding or riveting mode in the related art, the component parts involved in connection can be reduced, the integral assembly structure of the battery is simplified, the assembly difficulty is reduced, the assembly efficiency of the battery is improved, and the cost is reduced. The problem that welding cannot be performed between the upper case 1 and the pole assembly 2 of different materials can also be avoided. In addition, the number of the related parts is smaller, so that the internal space of the cell accommodating cavity is saved, and the energy density of the battery is improved.

Alternatively, the fixing glue member 4 may be formed by a glue filling process, for example, the whole body of the pole assembly 2 and the upper case 1 assembled is placed into a cavity of a mold, then glue is filled into the cavity, and the glue solution is solidified and formed to obtain the fixing glue member 4 connecting the pole assembly 2 and the upper case 1, so that the forming process of the fixing glue member 4 is simple and easy to manufacture.

In some embodiments, in conjunction with fig. 1, the pole assembly 2 may include: a post body 21 and a cell connector 22. The shape of the pole body 21 is adapted to the shape of the mounting hole 12, for example, the pole body 21 is formed into a cylindrical shape adapted to the mounting hole 12, the pole body 21 is penetrated through the mounting hole 12, and a part of the structure of the pole body 21 is located outside the upper case 1, so that the pole body 21 can be connected with an external circuit.

The electric core connecting piece 22 is the slice, and electric core connecting piece 22 locates the electric core and holds the intracavity, and electric core connecting piece 22 is connected with the axial inner of utmost point post body 21, simultaneously, and electric core connecting piece 22 can be connected with electric core electricity such as welding to the conduction of realization electric core and utmost point post subassembly 2. The projection of the mounting hole 12 in the reference plane is in the projection of the cell connector 22 in the reference plane, and the reference plane is parallel to the top wall of the upper case 1, for example, when the cell connector 22 is in a disc shape, the diameter of the mounting hole 12 can be smaller than the outer diameter of the cell connecting piece, so when the cell connector 22 is connected with the pole body 21 and the pole body 21 penetrates out of the mounting hole 12, the size of the cell connector 22 is larger than the size of the mounting hole 12, and therefore, the cell connector 22 can prevent the pole from being separated from the mounting hole 12 outwards, thereby improving the mounting stability of the pole body 21.

Wherein the fixing glue member 4 connects the pole body 21 and the top wall outer surface, for example, the fixing glue member 4 may connect the peripheral wall of the pole body 21 and the top wall upper surface to achieve further fixation of the pole body 21. The insulating spacer 3 is arranged between the cell connecting piece 22 and the inner surface of the top wall, so that the cell connecting piece 22 and the upper shell 1 are electrically isolated, and meanwhile, the cell connecting piece 22 can be supported, and the cell connecting piece 22 is prevented from being extruded and deformed.

Optionally, referring to fig. 1, the side wall of the pole body 21 has a fixing groove 211, the fixing groove 211 may be formed by recessing the side wall of the pole body 21 radially inward, an embedded portion 41 is formed on one side of the fixing adhesive member 4 facing the pole body 21 (i.e., an inner peripheral wall of the fixing adhesive member 4), and the embedded portion 41 may be embedded into the fixing groove 211, so that the pole body 21 can be limited, and meanwhile, a connection area between the fixing adhesive member 4 and the pole body 21 can be increased, thereby further improving the installation stability of the pole assembly 2, and being beneficial to improving the reliability of the battery.

Optionally, the fixing groove 211 is formed with a glue injection guiding surface 212 along a groove wall (for example, an upper groove wall of the fixing groove 211 shown in fig. 1) on one side of the mounting hole 12, which is far away from the upper case 1, and the glue injection guiding surface 212 is formed as an inclined surface which is inclined outwards and upwards along the radial direction of the pole body 21, so that in the glue filling process, glue solution flows into the fixing groove 211 more easily to fully fill the fixing groove 211, thereby ensuring the forming effect of the fixing glue member 4, and in addition, the connection contact area of the pole body 21 and the fixing glue member 4 can be increased, thereby further improving the fixing effect of the fixing glue member 4 on the pole assembly 2 and improving the reliability of the battery.

Alternatively, referring to fig. 1, the terminal body 21 is higher than the upper end surface of the fixing adhesive member 4 in the axial direction thereof and away from the upper case 1, so that the terminal body 21 protrudes more than the insulating fixing adhesive member 4, which can facilitate connection of the terminal body 21 with an external circuit.

Further, referring to fig. 1, it may be necessary to locate the battery in view of the connection of the battery to an external circuit. Therefore, a positioning structure can be provided on the radially outer side wall of the fixing adhesive member 4, for example, the positioning structure can be formed into a positioning step 43, the positioning step 43 is simple in structure and convenient to mold, positioning points of force can be provided for related equipment through the positioning step 43 so as to better connect a battery and an external circuit, and the amount of materials of the fixing adhesive member 4 can be reduced, the overall weight of the battery is reduced, and the aesthetic feeling of the appearance of the battery is improved.

Alternatively, referring to fig. 1 and 2, the top wall of the upper case 1 is formed with a mounting sink 11, the mounting sink 11 may be recessed downward in the axial direction of the upper case 1, a mounting hole 12 is formed on the bottom wall of the mounting sink 11, at least part of the structure of the bottom wall of the fixing adhesive member 4 is connected with the inner wall of the mounting sink 11, in other words, the bottom wall of the fixing adhesive member 4 may be completely embedded in the mounting sink 11, and at this time, the outer diameter of the fixing adhesive member 4 is smaller than or equal to the diameter of the mounting sink 11; alternatively, a part of the bottom wall of the fixing adhesive member 4 is located in the mount counter 11, and at this time, the outer diameter of the fixing adhesive member 4 is larger than the diameter of the mount counter 11. By arranging the installation sinking table 11, the connection area of the fixed glue member 4 and the top wall of the upper shell 1 is increased, so that the connection stability of the fixed glue member 4 and the upper shell 1 is improved.

As an alternative embodiment, a relief structure may be provided at a portion of the top wall of the upper case 1 adjacent to the mounting hole 12, or a polishing process may be performed on a portion of the top wall of the upper case 1 adjacent to the mounting hole 12, thereby improving the connection stability of the fixing adhesive member 4 with the upper case 1.

Optionally, referring to fig. 1 and 2, the periphery of the mounting hole 12 is formed with a protruding rib 13 protruding outwards along the axial direction, the bottom wall of the fixing glue member 4 is formed with a fitting groove 42 adapted to the protruding rib 13, and the protruding rib 13 is adapted to be embedded into the fitting groove 42, so that, on one hand, the connection area between the upper case 1 and the fixing glue member 4 is increased, and on the other hand, the protruding rib 13 can limit the fixing glue member 4 in the radial direction, so that the connection stability between the fixing glue member 4 and the upper case 1 can be improved.

Alternatively, referring to fig. 1 and 2, the rib 13 may be formed with a limiting structure 131, and the bottom wall of the mating groove 42 is formed with a limiting mating structure adapted to the limiting structure 131, where the limiting structure 131 is in limiting mating with the limiting mating structure, so as to prevent the fixing glue member 4 from rotating relative to the top wall of the upper case 1.

For example, as shown in fig. 2, the limiting structure 131 may be formed as a limiting groove recessed downward along the axial direction of the upper shell 1, the limiting matching structure may be formed as a limiting protrusion protruding downward along the axial direction of the upper shell 1, and the limiting protrusion may be embedded into the limiting groove, so that the fixing glue member 4 may be prevented from rotating relative to the top wall of the upper shell 1 along the circumferential direction of the mounting hole 12, and meanwhile, the limiting structure 131 and the limiting matching structure are simple in structure and easy to process and form.

Of course, the present utility model is not limited thereto, and the specific configurations of the limiting structure 131 and the limiting matching structure may be reasonably selected according to actual needs.

Alternatively, referring to fig. 1, the first mounting gap 6 is defined between the pole body 21 and the inner wall of the mounting hole 12, for example, the diameter of the pole body 21 may be smaller than the diameter of the mounting hole 12, thereby defining the first mounting gap 6 around the pole body 21 between the pole body 21 and the inner wall of the mounting hole 12. The housing assembly 100 may further include: the sealing ring 5, the sealing ring 5 is suitable for sealing the first installation gap 6, for example, at least the structure of the sealing ring 5 can be embedded into the first installation gap 6, so that the sealing of the installation hole 12 can be realized, and the cell accommodating cavity and the external environment can be isolated, thereby improving the safety of the battery.

Optionally, referring to fig. 1, a second installation gap 7 is defined between the insulating spacer 3 and the pole body 21, for example, the inner diameter of the insulating spacer 3 may be larger than the outer diameter of the pole body 21, so that a second installation gap 7 is defined between the insulating spacer 3 and the pole body 21, the second installation gap 7 communicates with the first installation gap 6, so that the second installation gap 7 and the second installation gap 7 may be formed in an L shape, the sealing ring 5 is further adapted to seal the second installation gap 7, and thus, further sealing of the pole and the upper case 1 may be achieved, ensuring reliability of the sealing.

In a specific example, the sealing ring 5 may be an elastic member, so that the sealing ring 5 can be compressed during the processing and assembling of the housing assembly 100, so as to ensure that the sealing ring 5 seals the first installation gap 6 and the second installation gap 7 well, and effectively achieve the sealing effect.

Optionally, the insulating spacer 3 may be a plastic part, so that the insulating spacer 3 is easy to process, and has wide raw material sources and low cost.

In a specific example, the terminal body 21 is welded with the cell connector 22, so that the connection stability of the terminal body 21 and the cell connector 22 can be ensured, thereby ensuring the conductive performance of the terminal assembly 2.

Optionally, the housing assembly 100 may further include a bottom cover (not shown) that may be provided at the bottom opening of the upper case 1 to block the cell receiving cavity.

Some specific embodiments of the case assembly 100 of the battery according to the present utility model and the production steps thereof are described below.

Example 1

The battery of the present embodiment includes: the pole assembly comprises an upper shell 1, a pole assembly 2, a sealing ring 5, an insulating spacer 3, a fixed glue component 4 and a bottom sealing cover.

Wherein, upper shell 1 is cylindric, and upper shell 1 defines the electric core accommodation chamber of bottom open-ended, and the roof of upper shell 1 is equipped with mounting hole 12, and mounting hole 12 is the round hole.

The pole assembly 2 includes: a post body 21 and a cell connector 22. The pole body 21 is formed into a cylinder shape adapted to the mounting hole 12, the pole body 21 is penetrated through the mounting hole 12, and the diameter of the pole body 21 is smaller than that of the mounting hole 12, so that a first mounting gap 6 is defined between the pole body 21 and the inner wall of the mounting hole 12, a part of the pole body 21 is located at the outer side of the upper shell 1, a fixing groove 211 recessed radially inwards is formed in the side wall of the pole body 21, the fixing groove 211 is located at the outer side of the top wall of the upper shell 1, the cell connecting piece 22 is sheet-shaped, the cell connecting piece 22 is arranged in the cell accommodating cavity, and the cell connecting piece 22 is welded with the axial inner end of the pole body 21, and meanwhile, the cell connecting piece 22 is welded with the cell.

The insulating spacer 3 is in a sheet shape, the insulating spacer 3 is clamped between the top wall of the upper shell 1 and the cell connecting piece 22, and the inner diameter of the insulating spacer 3 can be larger than the outer diameter of the pole body 21, so that a second installation gap 7 is defined between the insulating spacer 3 and the pole body 21, and the second installation gap 7 is communicated with the first installation gap 6.

The sealing ring 5 is arranged on the radial inner side of the insulating spacer 3, and the sealing ring 5 can seal the first installation gap 6 and the second installation gap 7 at the same time.

The fixing adhesive member 4 is disposed on the outer side of the top wall of the upper case 1, an embedded portion 41 is formed on one side of the fixing adhesive member 4 facing the pole body 21, the embedded portion 41 can be embedded into the fixing groove 211, and the fixing adhesive member 4 is adhered to the outer surfaces of the pole body 21 and the top wall respectively.

The bottom sealing cover can be arranged at the bottom opening of the upper shell 1 to seal the cell accommodating cavity.

The production steps of the housing assembly 100 of the present embodiment are as follows:

the battery core connecting piece 22 is welded with the pole body 21, the sealing ring 5 and the insulating spacer 3 are sequentially escaped into the outer side of the pole body 21 and then put into a die cavity of a die, then the upper shell 1 is mounted on the pole assembly 2, the upper shell 1 is compressed by controlling the height of the die, so that the compression amount of the sealing ring 5 is controlled, and then glue filling and fixing are carried out to form the fixed glue component 4. In this way, the housing assembly 100 of the battery of the present embodiment is assembled, and the structure is stable and reliable.

Example two

The battery of the present embodiment includes: the pole assembly comprises an upper shell 1, a pole assembly 2, a sealing ring 5, an insulating spacer 3 and a fixing glue component 4.

Wherein, the upper shell 1 is cylindric, and upper shell 1 defines the electric core accommodation chamber of bottom open-ended, and the roof of upper shell 1 is formed with the heavy platform 11 of installation, and the heavy platform 11 of installation is sunken downwards along the axial of upper shell 1, and the diapire of the heavy platform 11 of installation is equipped with mounting hole 12, and mounting hole 12 is the round hole, and the periphery of round hole is formed with along the protruding muscle 13 of axial upwards.

The fixed glue component 4 is arranged on the installation sinking table 11, an embedded part 41 is formed on one side, facing the pole body 21, of the fixed glue component 4, the embedded part 41 can be embedded into the fixed groove 211, the bottom wall of the fixed glue component 4 is provided with a matching groove 42, the convex rib 13 of the top wall of the upper shell 1 is embedded into the matching groove 42, the fixed glue component 4 is respectively adhered to the pole body 21 and the outer surface of the top wall, and the end face of the shaft end of the pole body 21 protrudes out of the upper end face of the fixed glue component 4.

A battery according to an embodiment of the second aspect of the present utility model is described below.

The battery of the embodiment of the utility model comprises: the housing assembly 100 and the battery cells in the above embodiments.

Specifically, the electric core is arranged in the electric core accommodating cavity, and the electric core can be respectively welded with the upper shell 1 and the pole assembly 2 so as to realize external power supply or charging of the battery.

According to the battery provided by the embodiment of the utility model, the whole assembly structure of the battery can be simplified by arranging the shell assembly 100 of the embodiment, so that the assembly difficulty is reduced, and the assembly efficiency of the battery is improved. And the internal space of the cell accommodating cavity is saved, so that the energy density of the battery is improved.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

Generally, terms should be understood at least in part by use in the context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, at least in part depending on the context. Similarly, terms such as "a" or "an" may also be understood to convey a singular usage or a plural usage, depending at least in part on the context.

It should be readily understood that the terms "on … …", "above … …" and "above … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on something", but also includes "on something" with intermediate features or layers therebetween, and "above … …" or "above … …" includes not only the meaning "on something" or "above" but also the meaning "above something" or "above" without intermediate features or layers therebetween (i.e., directly on something).

Further, spatially relative terms, such as "below," "beneath," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein interpreted accordingly.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. A housing assembly for a battery, comprising:

the upper shell is used for defining a battery cell accommodating cavity with an opening at the bottom end, and the top wall of the upper shell is provided with a mounting hole communicated with the battery cell accommodating cavity;

the pole assembly penetrates through the mounting hole;

the insulating spacer is clamped between the top wall of the upper shell and a part of the structure of the pole assembly in the battery cell accommodating cavity;

and the fixed glue component is arranged on the outer side of the upper shell so as to connect the top wall of the upper shell and the part structure of the pole assembly, which is positioned outside the cell accommodating cavity.

2. The housing assembly of the battery of claim 1, wherein the post assembly comprises:

the pole body penetrates through the mounting hole, and a part of the pole body is located on the outer side of the upper shell;

the battery cell connecting piece is arranged in the battery cell accommodating cavity and is connected with the axial inner end of the pole body, the projection of the mounting hole in the reference plane is positioned in the projection of the battery cell connecting piece in the reference plane, and the reference plane is parallel to the top wall of the upper shell;

the fixed glue component is connected with the pole body and the outer surface of the top wall, and the insulating spacer is arranged between the electric core connecting piece and the inner surface of the top wall.

3. The battery housing assembly of claim 2 wherein the side walls of the post body have radially inwardly recessed retaining grooves,

an embedded part is formed on one side of the fixed glue component, which faces the pole body, and the embedded part is embedded into the fixed groove.

4. The battery housing assembly of claim 3, wherein the top wall of the upper case is formed with a mounting sink recessed downward in an axial direction, the mounting hole is formed in a bottom wall of the mounting sink,

at least part of the bottom wall structure of the fixed glue component is connected with the inner wall of the installation sinking platform.

5. The battery housing assembly of claim 4, wherein the mounting hole is formed with ribs protruding outward in the axial direction at the peripheral edge thereof,

the bottom wall of the fixed glue component is provided with a matching groove matched with the convex rib, and the convex rib is suitable for being embedded into the matching groove.

6. The battery housing assembly of claim 5, wherein the ribs are formed with a spacing structure, and the bottom wall of the mating groove is formed with a spacing mating structure adapted to the spacing structure, and the spacing structure is in spacing mating with the spacing mating structure.

7. The battery housing assembly of claim 2 wherein the post body and the mounting hole inner wall define a first mounting gap therebetween,

the housing assembly further includes: and the sealing ring is suitable for sealing the first installation gap.

8. The battery housing assembly of claim 7, wherein the insulating spacer and the post body define a second mounting gap therebetween, the second mounting gap in communication with the first mounting gap, the seal ring further adapted to seal the second mounting gap.

9. The battery housing assembly of claim 2, wherein the post body is welded to the cell connector.

10. A battery, comprising:

the housing assembly of a battery according to any one of claims 1-9;

and the battery cell is arranged in the battery cell accommodating cavity.