Battery pack

Abstract

The utility model relates to a battery pack. The battery pack comprises a shell and a battery cell arranged in the shell, the shell is provided with a locking button assembly and a button mounting part, the button mounting part partially accommodates the locking button assembly, the button mounting part comprises a first limiting part, the locking button assembly comprises a button main body and a second limiting part extending from the button main body, the first limiting part is matched with the second limiting part, and the first limiting part is matched with the second limiting part. The first limiting part can limit the second limiting part to move so as to prevent reverse retreating, and the locking button assembly and the rear cover are assembled into a whole so that further installation can be conveniently achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of battery pack, in particular to a battery pack with a button. BACKGROUND

[0002] Battery packs have been widely used in the workplace and home, such as small household appliances, power tools. In the prior art, the battery pack usually has a shell and a battery cell arranged in the shell, the shell is provided with a pair of side walls, and a pair of locking mechanisms are arranged corresponding to the pair of side walls, each locking mechanism includes a button arranged on the side wall, the button has a spring and a hook to realize locking with the docking device.

[0003] However, how to assemble the button with a spring has become a problem in the industry, therefore, it is necessary to provide a battery pack which is easy to assemble. INNOVATION CONTENT

[0004] In order to solve the above technical problems, the present application is implemented as follows:

[0005] In one embodiment, a battery pack is provided, which includes a shell and a battery cell arranged in the shell; the shell has a locking button assembly and a button mounting portion, the button mounting portion partially contains the locking button assembly, the button mounting portion includes a first limiting portion, the locking button assembly includes a button body and a second limiting portion extending from the button body, the first limiting portion cooperates with the second limiting portion, and the first limiting portion can limit the movement of the second limiting portion.

[0006] In a preferred embodiment, the first limiting portion is a limiting groove, and the second limiting portion is a limiting reverse buckle, the limiting reverse buckle is buckled into the limiting groove.

[0007] In a preferred embodiment, the button mounting portion includes a first guide portion, and the locking button assembly includes a second guide portion extending from the button body; the first guide portion cooperates with the second guide portion in a guided manner; the first guide portion is a guide square hole, and the second guide portion is a guide square column.

[0008] In a preferred embodiment, the locking button assembly includes a limiting column extending from the button body, a second spring abutting portion arranged around the limiting column, and a spring; the button mounting portion includes a first spring abutting portion arranged relative to the locking button assembly; the spring is abutted between the first spring abutting portion and the second spring abutting portion.

[0009] In a preferred embodiment, the locking button assembly comprises a guide post extending from the end of the limiting post; the first spring abutting portion is provided with a guide opening, the guide post is arranged in the guide opening, the diameter of the guide post is smaller than the diameter of the guide opening, and the diameter of the guide opening is smaller than the diameter of the limiting post.

[0010] In a preferred embodiment, the shell comprises a front shell and a rear cover, the front shell and the rear cover form a receiving space, the receiving space receives the battery cell, and the button mounting portion is arranged on the rear cover.

[0011] In a preferred embodiment, the front shell comprises a main body portion and a docking portion on the upper surface of the main body portion, and the docking portion is provided with a sliding groove; the locking button assembly further comprises a locking hook, and the locking hook protrudes into the sliding groove.

[0012] In a preferred embodiment, the front shell comprises a lock catch extending rearward from the tail of the docking portion, and the rear cover has a lock block at the top, the lock block is arranged correspondingly with the lock catch and is provided with a front-to-back guide portion.

[0013] In a preferred embodiment, the shell comprises a main shell and a cover, the main shell and the cover form a receiving space, the receiving space receives the battery cell, and the button mounting portion is arranged on the cover.

[0014] In the embodiment of the present application, when assembled, the second limiting portion is buckled into the first limiting portion, the first limiting portion can limit the second limiting portion to prevent reverse withdrawal, and the locking button assembly is assembled into one with the rear cover to facilitate further installation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the battery pack in an embodiment of the present application;

[0016] Figure 2 It is an exploded schematic diagram of the battery pack in an embodiment of the present application;

[0017] Figure 3 It is a structural schematic diagram of the rear cover of the battery pack in an embodiment of the present application;

[0018] Figure 4 It is a structural schematic diagram of the locking button assembly (not including the spring) of the battery pack in an embodiment of the present application;

[0019] Figure 5 It is a sectional view of the battery pack in an embodiment of the present application. DETAILED DESCRIPTION

[0020] In order to make the above purposes, features and advantages of the present application more obvious and easy to understand, the following will be combined with the drawings to further describe the present application.Figures 1-3 The specific embodiments of the present application will now be described in detail with specific reference being made to the figures. In the following description, specific language will be used to describe the

[0021] In the description of the present application, it is to be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like are based on the orientations or positional relationships shown in the drawings, and are merely intended to facilitate the description of the present application and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0022] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", etc. can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0023] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0025] It is to be understood that when an element as a preamble is referred to as being "on" or "connected" to" another element, it can be directly on or connected to the other element or intervening elements can also be present. As used herein, the terms "vertical", "horizontal", "upper", "lower", "left", "right", and the like as well as the like are used for explanation only and are not intended to be limiting.

[0026] Referring to Figures 1 to 5 An embodiment of the present application provides a battery pack which can be matched with a power tool. The battery pack can include a housing 1 and a battery cell disposed in the housing 1. The housing 1 includes a front shell 11, a rear cover 12 and a locking button assembly 13. The front shell 11 and the rear cover 12 enclose a receiving space to receive the battery cell. The direction is defined as follows in the present application: rear is Figure 1 the X direction, front is Figure 1 the opposite direction of the X direction, right is Figure 1 the Y direction, left is Figure 1 the opposite direction of the Y direction, up is Figure 1 the Z direction, down is Figure 1 the opposite direction of the Z direction.

[0027] The front shell 11 can include a main body 111, a docking portion 112 on the upper surface of the main body 111 and a lock catch 113 extending rearward from the tail of the docking portion 112. The docking portion 112 is used to match with the power tool, and the docking portion 112 is provided with a sliding groove 1121 to achieve smooth matching with the power tool.

[0028] The rear cover 12 can have a lock block 121 at the top and a button mounting portion 122 at both sides. The lock block 121 is provided corresponding to the lock catch 113 and is provided with a guide portion from front to back, which can guide the lock catch 113 to further realize that the lock catch 113 buckles the lock block 121. The button mounting portion 122 can partially contain the locking button assembly 13, and the button mounting portion 122 can include a first spring abutting portion 1221, a first guide portion 1222 and a first limiting portion 1223 which are arranged relative to the locking button assembly 13. In a preferred embodiment, the first spring abutting portion 1221 is also provided with a guide opening 12211.

[0029] The locking button assembly 13 can include a button body 131, a limiting column 132 extending from the button body 131, a guide column 133 extending from the end of the limiting column 132, a second guide portion 134 extending from the button body 131, and a second limiting portion 135 extending from the button body 131. The locking button assembly 13 can also include a second spring abutting portion 1321 arranged around the limiting column 132 and a spring 137 sleeved on the limiting column 132 and / or the guide column 133. The spring 137 is abutted between the first spring abutting portion 1221 and the second spring abutting portion 1321 to provide a reset force for the locking button assembly 13. The guide column 133 can be arranged in the guide opening 12211 to achieve a guiding effect. The diameter of the guide column 133 is smaller than the diameter of the guide opening 12211, and the diameter of the guide opening 12211 is smaller than the diameter of the limiting column 132. Therefore, the spring 137 can be more stably supported between the first spring abutting portion 1221 and the second spring abutting portion 1321. In other embodiments, to ensure that the spring 137 is more stably supported, the first spring abutting portion 1221 is provided with a spring supporting portion to support the limiting spring. In the embodiment, the first guide portion 1222 is a guide square hole, and the second guide portion 134 is a guide square column. The second guide portion 134 cooperates with the first guide portion 1222 to achieve a guiding fit between the locking button assembly 13 and the rear cover 12. In other embodiments, other alternative ways can also be used. In the embodiment, the first limiting portion 1223 is a limiting groove, and the second limiting portion 135 is a limiting undercut. During assembly, the second limiting portion 135 is buckled into the first limiting portion 1223, and the first limiting portion 1223 can limit the second limiting portion 135 to prevent reverse exit. In summary, the locking button assembly 13 can be assembled into a whole with the rear cover 12 to facilitate further installation. In other embodiments, other alternative ways can also be used. The locking button assembly 13 can also include a lock hook 136 protruding into the sliding groove 1121 to achieve locking of the battery pack and the connected power tool.

[0030] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, but as long as the combinations of the technical features do not exist, they should be considered as within the scope of the present disclosure.

[0031] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the patent scope of the application. It should be noted that for ordinary skilled persons in the art, some modifications and improvements can be made without departing from the concept of the present application, and these are within the protection scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.

Claims

1. A battery pack comprising a housing and a battery cell disposed in the housing; the housing having a lock button assembly and a button mounting portion partially housing the lock button assembly, characterized by, The button mounting portion comprises a first limiting portion, the locking button assembly comprises a button body and a second limiting portion extending from the button body, the first limiting portion cooperates with the second limiting portion, and the first limiting portion can limit the movement of the second limiting portion.

2. The battery pack of claim 1, wherein, The first limiting portion is a limiting groove, and the second limiting portion is a limiting reverse buckle.

3. The battery pack of claim 1, wherein, The button mounting portion comprises a first guiding portion, the locking button assembly comprises a second guiding portion extending from the button body, the first guiding portion cooperates with the second guiding portion, the first guiding portion is a guiding square hole, and the second guiding portion is a guiding square column.

4. The battery pack of claim 1, wherein, The locking button assembly comprises a limiting column extending from the button body, a second spring abutting portion arranged around the limiting column, and a spring, the button mounting portion comprises a first spring abutting portion arranged relative to the locking button assembly, and the spring is abutted between the first spring abutting portion and the second spring abutting portion.

5. The battery pack of claim 4, wherein, The locking button assembly comprises a guiding column extending from the end of the limiting column, the first spring abutting portion is provided with a guiding opening, the guiding column is arranged in the guiding opening, the diameter of the guiding column is smaller than the diameter of the guiding opening, and the diameter of the guiding opening is smaller than the diameter of the limiting column.

6. The battery pack of claim 1, wherein, The shell comprises a front shell and a rear cover, the front shell and the rear cover enclose a receiving space, the receiving space receives the battery cell, and the button mounting portion is arranged on the rear cover.

7. The battery pack of claim 6, wherein, The front shell comprises a main body portion and a butt joint portion on the upper surface of the main body portion, the butt joint portion is provided with a sliding groove, and the locking button assembly further comprises a lock hook, the lock hook protrudes into the sliding groove.

8. The battery pack of claim 7, wherein, The front shell comprises a lock buckle extending rearward from the tail of the butt joint portion, the rear cover has a lock block on the top, the lock block is arranged corresponding to the lock buckle and is provided with a guiding portion from front to back.

9. The battery pack of claim 1, wherein, The shell comprises a main shell and a cover body, the main shell and the cover body enclose a receiving space, the receiving space receives the battery cell, and the button mounting portion is arranged on the cover body.

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