CN217426972U

CN217426972U - Battery device, electric tool and charger

Info

Publication number: CN217426972U
Application number: CN202221053359.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Kewei Technology Nantong Co ltd
Current assignee: Kewei Technology Nantong Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-09-13
Anticipated expiration: 2032-05-05

Abstract

The utility model relates to a battery device, including the casing, set up electric core subassembly and the first connection terminal in the casing, the casing includes two parallel arrangement's leading guiding mechanism, two leading guiding mechanisms between be provided with the parallel supplementary guiding mechanism of leading guiding mechanism, supplementary guiding mechanism has one at least, two leading guiding mechanisms and supplementary guiding mechanism be used for with electric tool or charger assembly, battery device installs to electric tool or charger along the extending direction of leading guiding mechanism, this battery device's nominal voltage is not less than 40V. Also comprises a power tool and a charger which can be detachably assembled with the battery device. The battery device is additionally provided with the auxiliary guide mechanism, so that the battery device can be more easily installed on an electric tool and a charger. The auxiliary guide mechanism additionally arranged can share more acting force, the matching reliability is improved, the risk of rail fracture is reduced, and the service life of a product is prolonged.

Description

Battery device, electric tool and charger

Technical Field

The present disclosure relates to electrical energy storage devices, and more particularly to a battery device and an electric tool and a charger thereof.

Background

Hand-held power tools, such as power tools, garden tools, cleaning equipment, etc. Because the handheld electric equipment is powered by using a battery device such as a battery pack or a backpack battery, the handheld electric equipment is free from the limitation of an external power line, can be widely applied to different scenes, and is favored by consumers in the market. In order to make the endurance of a battery device such as a battery pack longer, the capacity of the battery device is also larger and larger, which requires a large increase in the number of battery cells, resulting in an increase in the overall weight of the battery device. In the prior art, a double-track design is generally adopted to be assembled and connected with electric equipment. However, since the large-capacity battery device is heavy, the rail is subjected to a large force, and the rail is at risk of being broken, so that the service life of the battery device is greatly reduced. In addition, during the use process, because the battery device is heavier, the double-rail design is easy to cause the battery device to loosen when the battery device works with high strength.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a battery device, including the casing, set up in electricity core subassembly and first connection terminal in the casing, the casing includes two parallel arrangement's main guide mechanism, two be provided with between the main guide mechanism with the parallel supplementary guide mechanism of main guide mechanism, supplementary guide mechanism has one at least, two main guide mechanism with supplementary guide mechanism is used for the guide battery device and electric tool or charger assembly, battery device follows the main extending direction who leads the mechanism installs extremely electric tool or charger, battery device's nominal voltage is not less than 40V.

Further, the cross sections of the main guide mechanism and the auxiliary guide mechanism are triangular or trapezoidal.

Further, the casing includes casing, lower casing, go up the casing with the casing encloses to close down and forms and hold the chamber down, it is used for acceping to hold the chamber electricity core subassembly, it has the first roof in two sides, sets up at two to go up the casing second roof between the first roof, and connect first roof with the two-sided lateral wall of second roof, first roof extremely the distance of casing is greater than down the second roof extremely the distance of casing is two down main guiding mechanism sets up respectively on two sides first roof or two the lateral wall, supplementary guiding mechanism sets up the second roof.

Further, the auxiliary guide mechanism is a protruding strip protruding from the second top wall.

Further, the auxiliary guide mechanism comprises a slope section and an extension section, the slope section is obliquely arranged, the extension section is horizontally arranged, the slope section is formed by gradually extending upwards from the front end of the second top wall, the extension section is connected with the slope section along the front-back direction, the height of the extension section and the highest point of the slope section is equal, the front-back direction is the extension direction of the auxiliary guide mechanism, and the first connection terminal of the battery device is closer to the rear end of the auxiliary guide mechanism.

Furthermore, the two main guide mechanisms are respectively arranged on the two side walls, the two main guide mechanisms are oppositely arranged, and the top surfaces of the main guide mechanisms are coplanar with the first top wall.

Furthermore, the main guide mechanism is provided with a bottom surface, the bottom surface is provided with three sections, namely a first section, a second section and a third section, the distance from the first section of the bottom surface to the top surface of the main guide mechanism is smaller than the distance from the third section of the bottom surface to the top surface of the main guide mechanism, the second section is connected with the first section and the third section, and a space is formed between the third section of the main guide mechanism and the second top wall.

Further, still be provided with the spread groove on the second roof, set up connecting terminal in the spread groove.

Further, the utility model discloses still include an electric tool, including organism and second connecting terminal, as above battery device detachably install in the organism, electric tool passes through second connecting terminal with electric connection is realized to battery device's first connecting terminal, the organism include respectively with two of battery device two guide slot that main guide mechanism assembled, and with battery device the draw-in groove that supplementary guide mechanism assembled.

Further, the utility model discloses still include a charger, including shell and third connecting terminal, as above battery device detachably install in the charger, the charger pass through third connecting terminal with electric connection is realized to battery device's first connecting terminal, the shell include respectively two respectively with battery device the guide way of main guide mechanism assembly, and with the auxiliary groove of battery device's supplementary guide mechanism assembly.

The beneficial effects of the utility model are as follows:

the battery device is additionally provided with an auxiliary guide mechanism, so that the battery device can be more easily installed on an electric tool or a charger. The auxiliary guide mechanism additionally arranged can share more acting force, the matching reliability is improved, the risk of rail fracture is reduced, and the service life of a product is prolonged.

Drawings

Fig. 1 is a perspective view of a battery device according to an embodiment of the present invention.

Fig. 2 is a front view of a battery device according to an embodiment of the present invention.

FIG. 3 is a sectional view taken along line B-B of FIG. 2.

Description of reference numerals: battery device-100; a shell-10; an upper shell-101; a lower housing-102; a first top wall-1011; a second top wall-1012; sidewall-1013; a main guide mechanism 11; a first segment-111; a second segment-112; a third segment-113; an auxiliary guide mechanism-12; slope segment-121; an extension-122; connecting groove-13; first connection terminal-131.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the exemplary embodiments below do not represent all embodiments consistent with the present application.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. As used in this application, the terms "first," "second," and the like do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. 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 and all possible combinations of one or more of the associated listed items.

The embodiment of the present invention relates to a battery device 100, as shown in fig. 1. The battery device 100 includes a case 10, a cell assembly disposed in the case 10, and a first connection terminal 131. The housing 10 includes two main guide mechanisms 11 arranged in parallel, an auxiliary guide mechanism 12 arranged in parallel with the main guide mechanism 11 is arranged between the two main guide mechanisms 11, at least one auxiliary guide mechanism 12 is arranged between the two main guide mechanisms 11, the two main guide mechanisms 11 and the auxiliary guide mechanism 12 are used for guiding the battery device 100 to be assembled with an electric tool or a charger, and the battery device 100 is mounted to the electric tool along the extending direction of the main guide mechanism 11. The nominal voltage of the battery device 100 is not less than 40V. I.e., the output voltage of the battery device 100 is not less than 40V.

The battery pack 100 is additionally provided with the auxiliary guide mechanism 12, and the battery pack 100 can be more easily mounted on the electric tool or the charger. The additional arrangement of the auxiliary guide mechanism 12 can share more acting force, so that the matching reliability is improved, the risk of breakage of the guide mechanism is reduced, and the service life of the product is prolonged.

Specifically, in the present embodiment, as shown in fig. 1, the vertical direction is the up-down direction, and the horizontal plane perpendicular to the up-down direction includes the front-back direction, which is the extending direction of the main guide mechanism 11, and the left-right direction, which is perpendicular to the front-back direction. The housing 10 includes an upper housing 101 and a lower housing 102, and the upper housing 101 and the lower housing 102 enclose to form a containing cavity for containing the electric core assembly (not shown in the figure). The housing 10 further includes two end caps for closing front and rear ends of the receiving chamber. The upper case 101 has two first top walls 1011, a second top wall 1012 disposed between the two first top walls 1011, and two side walls 1013 connecting the first top walls 1011 and the second top wall 1012. Preferably, the first top wall 1011 and the second top wall 1012 are both parallel to the horizontal plane, and the two side walls 1013 are perpendicular to the first top wall 1011 and the second top wall 1012.

The two main guide mechanisms 11 are respectively disposed on the two first top walls 1011 or the two side walls 1013, and the auxiliary guide mechanism 12 is disposed on the second top wall 1012. In this embodiment, the main guide mechanism 11 and the auxiliary guide mechanism 12 are both protruding strips. In other embodiments, the main guide 11 and the auxiliary guide 12 may be provided in the form of grooves, with the main point that the battery device 100 plays a role of guiding and assembling when being mounted on a power tool or a charger.

The cross sections of the main guide mechanism 11 and the auxiliary guide mechanism 12 are triangular or trapezoidal. That is, the main guide mechanism 11 and the auxiliary guide mechanism 12 have a height difference in the vertical direction, and therefore, it is possible to provide a guide function for the battery device 100 at different heights, improve the guidance and enhance the stability of the rail mechanism.

Specifically, in the present embodiment, the two first top walls 1011 are coplanar, and the distance from the first top wall 1011 to the lower housing 102 is greater than the distance from the second top wall 1012 to the lower housing 102. The middle of the upper case 101 of the battery device 100 is depressed to form a groove. The auxiliary guide mechanism 12 is disposed in a line and located in the middle of the second top wall 1012, so in this embodiment, the cross sections of the main guide mechanism 11 and the auxiliary guide mechanism 12 are inverted triangle.

More specifically, as shown in fig. 2, the main guide mechanisms 11 may be respectively disposed on the side walls 1013, two main guide mechanisms 11 are disposed opposite to each other, and the top surface of the main guide mechanism 11 is coplanar with the first top wall 1011. In another embodiment, two main guiding mechanisms 11 are respectively disposed to protrude from two first top walls 1011, that is, the main guiding mechanisms 11 may be respectively disposed on the upper surfaces of the two first top walls 1011.

In order to improve the ease of assembly of the battery device 100, the main guide mechanism 11 and the auxiliary guide mechanism 12 each have a guide design. In particular, in terms of the auxiliary guide means 12, according to the illustration in fig. 3, said auxiliary guide means 12 comprise a sloping section 121, which is arranged obliquely, and an extension section 122, which is arranged horizontally. The ramp section 121 is disposed in the "front" direction and the extension section 122 is disposed in the "rear" direction. The slope section 121 is formed by gradually extending upward from the front end of the second top wall 1012, the extension section 122 extends in the front-rear direction and is connected with the slope section 121, and the height of the extension section 122 is equal to the height of the highest point of the slope section 121. In addition, the first connection terminal 131 of the battery device 100 is closer to the rear end of the auxiliary guiding mechanism 12, so that when the battery device 100 is mounted on the electric tool or the charger from the front end to the rear end, the first connection terminal 131 can be conducted with the electric tool or the charger after the battery device 100 passes through the complete main guiding mechanism and the complete auxiliary guiding mechanism, and the safety performance of the battery device 100 is ensured.

When the battery device 100 is installed, the slope section 121 gradually increasing in height is first inserted into the slot of the electric tool, so that the auxiliary guide mechanism 12 is guided into the slot, and then the auxiliary guide mechanism 12 is moved forward along the slot, so that the battery device 100 is installed in place in the electric tool.

In addition, in the main guide mechanism 11. The main guide mechanism 11 has a bottom surface having three sections, as shown in fig. 3, which are a first section 111, a second section 112, and a third section 113 in this order along the front-rear direction of the battery device 100. The distance from the first section 111 of the bottom surface to the top surface of the main guide 11 is smaller than the distance from the third section 113 of the bottom surface to the top surface of the main guide 11, the second section 112 connects the first section 111 and the third section 113, and there is a space between the third section 113 of the main guide 11 and the second top wall 1012. The main guide mechanism 11 and the second top wall 1012 have a space therebetween, and the groove formed between the first top wall 1011 and the second top wall 1012 is for assembling the power tool.

The difference in height in the vertical direction of the bottom surface of the main guide mechanism 11 also facilitates the main guide mechanism 11 to be inserted into the guide groove of the electric tool more smoothly when the battery device 100 is mounted, facilitating the mounting.

The second top wall 1012 is further provided with a coupling groove 13 at a rear end, and the first coupling terminal 131 is provided in the coupling groove 13. The first connecting terminal 131 is used for electrically connecting with the second connecting terminal of the electric tool and the point connecting terminal of the charger when the battery device 100 is assembled to the electric tool, so as to realize power-on.

The utility model discloses still include an electric tool, including organism and second connecting terminal, as above battery device 100 detachably install in this organism. The electric tool is electrically connected to the first connection terminal 131 of the battery device 100 through the second connection terminal. The body includes two guide grooves respectively assembled with the two main guide mechanisms 11 of the battery device 100, and a card slot assembled with the auxiliary guide mechanism 12 of the battery device 100.

The utility model discloses still include a charger, including shell and third connecting terminal, as above battery device 100 detachably installs in this charger, the charger pass through the third connecting terminal with battery device 100's first connecting terminal 131 realizes electric connection, the shell include respectively two respectively with battery device 100 the guide way of leading mechanism 11 assembly, and with the auxiliary tank of battery device 100's supplementary guide mechanism 12 assembly.

The utility model provides a battery device 100 is applicable to the large capacity battery, more conveniently and install in electric tool and charger steadily.

Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being covered by the following claims.

Claims

1. The utility model provides a battery device, its characterized in that, includes the casing, set up in battery core subassembly and first connection terminal in the casing, the casing includes two parallel arrangement's main guide mechanism, two be provided with between the main guide mechanism with the parallel supplementary guide mechanism of main guide mechanism, supplementary guide mechanism has one at least, two main guide mechanism with supplementary guide mechanism is used for the guide battery device assembles with electric tool or charger, battery device follows the extending direction of main guide mechanism install to electric tool or charger, battery device's nominal voltage is not less than 40V.

2. The battery device according to claim 1, wherein the cross-sections of the main guide mechanism and the auxiliary guide mechanism are triangular or trapezoidal.

3. The battery device according to claim 2, wherein the housing includes an upper housing and a lower housing, the upper housing and the lower housing enclose a housing cavity for housing the cell assembly, the upper housing has two first top walls, a second top wall disposed between the two first top walls, and two side walls connecting the first top wall and the second top wall, and a distance from the first top wall to the lower housing is greater than a distance from the second top wall to the lower housing, the two main guide mechanisms are disposed on the two first top walls or the two side walls, respectively, and the auxiliary guide mechanism is disposed on the second top wall.

4. The battery device as claimed in claim 3, wherein the auxiliary guide means is a protruding strip protruding from the second top wall.

5. The battery device according to claim 4, wherein the auxiliary guide mechanism includes a slope section formed to extend upward from a front end of the second top wall, and an extension section formed to extend horizontally, the extension section being connected to the slope section in a front-rear direction, the front-rear direction being a direction in which the auxiliary guide mechanism extends, and the first connection terminal of the battery device is closer to a rear end of the auxiliary guide mechanism.

6. The battery device according to claim 3, wherein two main guide mechanisms are respectively arranged on the two side walls, the two main guide mechanisms are oppositely arranged, and the top surfaces of the main guide mechanisms are coplanar with the first top wall.

7. The battery device of claim 6, wherein the main guide mechanism has a bottom surface having three sections, a first section, a second section and a third section, the distance from the first section to the top surface of the main guide mechanism is smaller than the distance from the third section to the top surface of the main guide mechanism, the second section connects the first section and the third section, and a space is provided between the third section of the main guide mechanism and the second top wall.

8. The battery device according to claim 3, wherein the second top wall is further provided with a coupling groove, and the first coupling terminal is disposed in the coupling groove.

9. An electric tool, comprising a body and a second connection terminal, wherein the battery device according to any one of claims 1 to 8 is detachably mounted on the body, the electric tool is electrically connected to the first connection terminal of the battery device through the second connection terminal, and the body comprises two guide grooves respectively fitted to the two main guide mechanisms of the battery device, and a card slot fitted to the auxiliary guide mechanism of the battery device.

10. A charger, comprising a housing and a third connecting terminal, wherein the battery device as claimed in any one of claims 1 to 8 is detachably mounted on the charger, the charger is electrically connected to the first connecting terminal of the battery device through the third connecting terminal, and the housing comprises two guide grooves respectively fitted with the main guide mechanism of the battery device and two auxiliary grooves fitted with the auxiliary guide mechanism of the battery device.