CN219067028U

CN219067028U - Battery pack and swimming pool cleaning robot

Info

Publication number: CN219067028U
Application number: CN202223577942.5U
Authority: CN
Inventors: 张石磊
Original assignee: Xingmai Innovation Technology Suzhou Co ltd
Current assignee: Xingmai Innovation Technology Suzhou Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-23
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of swimming pool cleaning robots, in particular to a battery pack and a swimming pool cleaning robot. The shell of this battery package includes base, first lid and second lid, and the base has the open-ended chamber that holds, and first lid covers in the opening part to with base sealing connection, the second lid cover is established on first lid, and with base sealing connection, the electric core setting is in holding the chamber, and this battery package has bilayer seal structure, is favorable to improving the water-proof effects of battery package, avoids the electric core to meet water and takes place the short circuit, improves the security performance of battery package. This swimming pool cleaning robot through setting up above-mentioned battery package, can improve swimming pool cleaning robot's waterproof performance, improves life.

Description

Battery pack and swimming pool cleaning robot

Technical Field

The utility model relates to the technical field of swimming pool cleaning robots, in particular to a battery pack and a swimming pool cleaning robot.

Background

The battery pack of the swimming pool cleaning robot is positioned in the driving shell, the driving shell is a sealed accommodating cavity, and the driving piece, the control board and other electrified structures are arranged in the driving shell. The battery pack includes a housing and a battery cell disposed in the housing. In the cleaning process of the swimming pool cleaning robot in the water pool, once the sealing of the driving shell fails, liquid in the water pool can enter the driving shell and enter the shell, so that the battery cell is in contact with water to generate a short circuit, and potential safety hazards exist.

In order to solve the above problems, it is needed to provide a battery pack and a swimming pool cleaning robot, which solve the waterproof problem of the battery pack.

Disclosure of Invention

One purpose of the utility model is to provide a battery pack, so as to achieve the effects of improving the waterproof effect of the battery pack, being beneficial to avoiding the short circuit of a battery cell when meeting water and improving the safety performance of the battery pack.

Another object of the present utility model is to provide a swimming pool cleaning robot, comprising the battery pack, thereby improving the waterproof performance and the service life of the swimming pool cleaning robot.

To achieve the purpose, the utility model adopts the following technical scheme:

a battery pack, comprising:

the shell comprises a base, a first cover body and a second cover body, wherein the base is provided with an accommodating cavity with an opening, the first cover body covers the opening and is in sealing connection with the base, and the second cover body covers the first cover body and is in sealing connection with the base; and

and the battery cell is arranged in the accommodating cavity.

As an alternative, the first cover body further includes a sealing portion, which is disposed to protrude in a circumferential direction of the abutting portion, and an outer wall of which abuts against the opening inner wall;

or, be equipped with on the inner wall of base sealing portion, sealing portion protrusion the inner wall setting of base, just sealing portion's internal diameter with the butt outer wall butt.

As an alternative, the first cover further includes:

and the sealing part is arranged in a protruding manner along the circumferential direction of the abutting part, and the outer wall of the sealing part abuts against the inner wall of the opening.

As an alternative, the upper end face of the sealing portion, the inner wall of the opening, and the outer wall of the abutting portion enclose to form an annular accommodating groove, and the battery pack further includes:

and a first seal member disposed in the accommodation groove.

As an alternative, the base is provided with an annular groove on the end face of the opening, and the second cover body includes:

a body; and

and the inserting part is connected with the end face of the body facing the base, extends in the direction away from the body and is matched with the groove in an inserting way.

As an alternative, the battery pack further includes:

the second sealing piece is embedded in the groove and is abutted with the end face of the plug-in connection part.

As an alternative, the outer perimeter profile of the body is identical to the base.

As an alternative, the base includes:

a tub configured to house the battery cell; and

the lugs are arranged along the circumferential protrusion of the upper end face of the barrel body, and are provided with grooves so as to be in plug-in fit with the second cover body.

A swimming pool cleaning robot comprising a battery pack as described above.

As an alternative, the pool cleaning robot includes:

the sensing piece is arranged between the first cover body and the second cover body, and when the sensing piece senses water, the electric core stops working.

The beneficial effects of the utility model are as follows:

the utility model provides a battery pack, wherein a shell of the battery pack comprises a base, a first cover body and a second cover body, the base is provided with an accommodating cavity with an opening, the first cover body covers the opening and is in sealing connection with the base, the second cover body covers the first cover body and is in sealing connection with the base, and an electric core is arranged in the accommodating cavity. The battery pack has a double-layer sealing structure, is favorable for improving the waterproof effect of the battery pack, avoids the short circuit of the battery cell when meeting water, and improves the safety performance of the battery pack.

The utility model provides a swimming pool cleaning robot which comprises the battery pack, so that the waterproof performance of the swimming pool cleaning robot is improved, and the service life of the swimming pool cleaning robot is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic cross-sectional view of a battery pack according to an embodiment of the present utility model;

fig. 2 is a partial enlarged view at a in fig. 1.

The figures are labeled as follows:

100-a housing; 110-a base; 111-a barrel body; 1111-receiving chamber; 1112-opening; 112-lugs; 1121-grooves; 120-a first cover; 121-an abutment; 122-sealing part; 123-a receiving groove; 130-a second cover; 131-body; 132—plug-in section;

200-cell;

300-first seal.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only a part of structures related to the present utility model, not the whole structures, are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication of structures in two elements or the interaction relationship of the 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.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features 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. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The embodiment provides a swimming pool cleaning robot, this swimming pool cleaning robot includes drive casing, and drive casing is seal structure, and electrified structures such as driving piece and control panel all set up in drive casing. The swimming pool cleaning robot further comprises a battery pack arranged in the driving shell, wherein the battery pack is electrically connected with the driving piece and the control board, and electric energy is provided for the swimming pool cleaning robot.

Specifically, the battery pack includes a case 100 and a battery cell 200 disposed in the case 100. In the cleaning process of the swimming pool cleaning robot in the water pool, once the sealing of the driving shell fails, liquid in the water pool can enter the driving shell and enter the shell, so that the battery cell is in contact with water to generate a short circuit, and potential safety hazards exist.

As shown in fig. 1 and 2, in order to solve the above-mentioned problems, the present embodiment further provides a battery pack, where the housing 100 of the battery pack includes a base 110, a first cover 120 and a second cover 130, the base 110 has a receiving cavity 1111 with an opening 1112, the first cover 120 covers the opening 1112 and is connected with the base 110 in a sealing manner, the second cover 130 covers the first cover 120 and is connected with the base 110 in a sealing manner, and the battery cell 200 is disposed in the receiving cavity 1111. The battery pack has a double-layer sealing structure, is favorable for improving the waterproof effect of the battery pack, avoids the short circuit of the battery cell 200 when meeting water, and improves the safety performance of the battery pack. Meanwhile, the waterproof performance of the swimming pool cleaning robot can be improved through the battery pack, and the service life of the swimming pool cleaning robot is prolonged.

Please refer to fig. 1, optionally, the first cover 120 includes an abutment portion 121, the contour of the abutment portion 121 is smaller than the contour of the inner wall of the opening 1112, and the abutment portion 121 abuts against the end surface of the battery cell 200, which has the function of fixing the battery cell 200 and preventing the battery cell 200 from moving.

The first cover 120 further includes a sealing portion 122 protruding along the circumferential direction of the abutting portion 121, and an outer wall of the sealing portion 122 abuts against an inner wall of the opening 1112, which is beneficial to increasing the sealing effect of the sealing portion 122.

In other embodiments, the sealing portion 122 may be disposed on the inner wall of the base 110, where the sealing portion 122 protrudes out of the inner wall of the base 110, and the inner diameter of the sealing portion 122 abuts against the outer wall of the abutting portion 121.

Further, the upper end surface of the sealing portion 122, the inner wall of the opening 1112 and the outer wall of the abutting portion 121 enclose an annular accommodating groove 123, and the battery pack further includes a first sealing member 300 disposed in the accommodating groove 123 to ensure that the first cover 120 can seal the accommodating chamber 1111. Illustratively, the first sealing member 300 may be a sealant, which is a fluid before solidification, and is capable of filling the gap of the accommodating groove 123, so as to facilitate improving the sealing effect between the first cover 120 and the base 110. Alternatively, the first sealing member 300 may be sealed and waterproof by an ultrasonic process or the like.

As shown in fig. 1 and 2, an annular groove 1121 is formed on an end surface of the opening 1112 of the base 110, the second cover 130 includes a plugging portion 132, the plugging portion 132 is connected with an end surface of the body 131 facing the base 110 and extends in a direction away from the body 131, and the plugging portion 132 is in plug-fit with the groove 1121, so as to facilitate increasing a sealing effect between the second cover 130 and the base 110.

Optionally, the battery pack further includes a second sealing member embedded in the groove 1121, and the second sealing member abuts against the end surface of the plugging portion 132, so as to further increase the sealing effect of the second cover 130, improve the waterproof effect of the battery pack, avoid the electrical core 200 from being shorted when meeting water, and improve the safety performance of the battery pack. In addition, in order to secure the aesthetic appearance of the battery pack, the outer circumferential profile of the body 131 is identical to that of the base 110. Illustratively, the second seal may be an "o" ring or ultrasonic process to seal between the second cover 130 and the base 110.

As an alternative, the base 110 includes a tub 111 and a lug 112. The barrel 111 is configured to accommodate the battery cell 200, the lug 112 protrudes along a circumferential direction of an upper end surface of the barrel 111, and the lug 112 is provided with a groove 1121 so as to be in plug-in fit with the second cover 130. The base 110 structure is beneficial to saving materials and reducing the cost of the battery pack.

Further, in order to improve the safety performance of the battery pack, the swimming pool cleaning robot further comprises a sensing piece arranged between the first cover body 120 and the second cover body 130, when the sensing piece senses water, the battery cell 200 stops working, and when the sealing of the second cover body 130 fails, the battery cell 200 cannot be shorted, and danger cannot occur, so that the safety performance of the battery pack and the swimming pool cleaning robot is further improved.

Note that the basic principles and main features of the present utility model and advantages of the present utility model are shown and described above. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate the principles of the utility model, and that various changes and modifications may be effected therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. A battery pack, comprising:

the shell (100), the shell (100) comprises a base (110), a first cover body (120) and a second cover body (130), the base (110) is provided with a containing cavity (1111) with an opening (1112), the first cover body (120) covers the opening (1112) and is in sealing connection with the base (110), and the second cover body (130) covers the first cover body (120) and is in sealing connection with the base (110); and

and an electrical cell (200) disposed in the housing chamber (1111).

2. The battery pack according to claim 1, wherein the first cover (120) includes:

and an abutting part (121), wherein the contour of the abutting part (121) is smaller than the contour of the inner wall of the opening (1112), and the abutting part (121) abuts against the end face of the battery cell (200).

3. The battery pack according to claim 2, wherein the first cover (120) further includes a sealing portion (122) provided so as to protrude in a circumferential direction of the abutting portion (121), and an outer wall of the sealing portion (122) abuts against an inner wall of the opening (1112);

or, the inner wall of the base (110) is provided with the sealing part (122), the sealing part (122) protrudes out of the inner wall of the base (110), and the inner diameter of the sealing part (122) is abutted with the outer wall of the abutting part (121).

4. A battery pack according to claim 3, wherein an annular accommodating groove (123) is defined around an upper end surface of the sealing portion (122), an inner wall of the opening (1112), and an outer wall of the abutting portion (121), the battery pack further comprising:

a first seal (300) disposed in the receiving groove (123).

5. The battery pack according to any one of claims 1 to 4, wherein an annular groove (1121) is provided on an end surface of the base (110) where the opening (1112) is provided, and the second cover (130) includes:

a body (131); and

and the inserting part (132) is connected with the end face of the body (131) facing the base (110) and extends in a direction away from the body (131), and the inserting part (132) is in inserting fit with the groove (1121).

6. The battery pack of claim 5, wherein the battery pack further comprises:

and the second sealing piece is embedded in the groove (1121) and is abutted with the end face of the plug-in part (132).

7. The battery pack according to claim 5, wherein the outer peripheral contour of the body (131) is identical to the base (110).

8. The battery pack according to any one of claims 1 to 4, wherein the base (110) includes:

a tub (111) configured to house the battery cell (200); and

the lugs (112) are arranged along the circumferential protrusion of the upper end face of the barrel body (111), and grooves (1121) are formed in the lugs (112) so as to be in plug-in fit with the second cover body (130).

9. A swimming pool cleaning robot comprising a battery pack as claimed in any one of claims 1 to 8.

10. A pool cleaning robot as claimed in claim 9, wherein the pool cleaning robot includes:

the sensing piece is arranged between the first cover body (120) and the second cover body (130), and when the sensing piece senses water, the electric core (200) stops working.