Battery pack of electric tool
The button-controlled latching mechanism solves the problem of cumbersome disassembly of traditional battery packs, enabling quick connection and separation of the battery pack from power tools, thus improving convenience and stability.
Patent Information
- Application Number
- CN202520194282.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-07
AI Technical Summary
Traditional battery packs are connected to power tools via bolts, which makes disassembly cumbersome and affects ease of use.
The buckle mechanism is controlled by buttons. Pressing the button rotates the left and right buckles, enabling quick separation and locking of the battery pack from the power tool, eliminating the need for bolt connections.
It enables quick connection and disconnection of the battery pack and power tools, improving space utilization, enhancing stability and lifespan, and reducing the number of parts.
Smart Images

Figure CN223884551U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to battery pack technical field, concretely relates to a kind of electric tool battery pack. BACKGROUND
[0002] Battery pack is applied to various electric tools, and battery pack is used to provide power for electric tool, and currently, for part electric tool, wireless battery pack needs to be used, electric tool is moved conveniently, and the electric quantity of battery pack is limited, when the electric quantity of battery pack is depleted, charging needs to be carried out, or battery pack is replaced, traditional battery pack is connected by bolt and tool, to cause trouble when disassembling. UTILITY MODEL CONTENT
[0003] The utility model provides a kind of electric tool battery pack, cancels bolt connection, just need to press the button of battery pack front part, left and right buckle is retracted, and electric tool is withdrawn to the rear along the slot conveniently.
[0004] The present product has innovative changes.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A kind of electric tool battery pack, including battery pack upper cover and battery pack lower shell, battery cell module is installed in battery pack lower shell, battery pack upper cover is installed at the upper end of battery pack lower shell, the front end of battery pack upper cover is equipped with button through slot, the upper end of battery pack upper cover is equipped with buckle through slot on both sides, spring mounting plate is equipped in battery pack upper cover, the rear end of button is equipped with slot, spring mounting plate passes through slot, spring is installed in the middle of spring mounting plate and button, left buckle and right buckle are respectively pivotally connected at the buckle through slot of battery pack upper cover, the inward part of left buckle and right buckle is equipped with open slot, the open slot of left buckle and right buckle is connected with the end of button, the bottom of the handle of electric tool is slidably connected with the upper end of battery pack upper cover, the bottom of the handle of electric tool is equipped with clamping slot corresponding to buckle through slot on both sides.
[0007] Preferably, button is equipped with spring mounting column, spring mounting column is located at the front end of slot, and one end of spring is installed at spring mounting column.
[0008] Preferably, left buckle and right buckle are symmetrical structure, left buckle includes upper pin shaft, lower pin shaft, rotating part one and rotating part two, upper pin shaft and lower pin shaft are arranged above and below one end of rotating part one, rotating part two is located on the inner side of rotating part one, and rotating part two is equipped with open slot.
[0009] Preferably, battery pack upper cover is equipped with upper pin shaft slot, and the upper end of upper pin shaft is clamped at upper pin shaft slot, and battery pack upper cover is equipped with upper pin shaft baffle.
[0010] Preferably, the rear end and both sides of the battery pack cover are provided with sliding parts, the middle part of the sliding part of the battery pack cover is the cover body, and the upper end surface of the sliding part on both sides of the battery pack cover is located at the bottom upper end of the buckle through groove.
[0011] Preferably, when one end of the left and right latches passes through the latching slot, one end of the left and right latches is located on the outside of the upper cover body.
[0012] Preferably, the bottom front end of the handle of the power tool is provided with a battery pack passage groove, the rear sides of the battery pack passage groove are sliders, and the locking groove is located at the sliders.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] This invention uses a single button to move the left and right latches, facilitating quick and easy separation and locking of the battery pack and the power tool handle. The entire mechanism occupies minimal space within the battery pack, resulting in higher overall space utilization and a compact, lightweight design. The battery pack is stable, efficient, and has a long service life. The locking mechanism uses only one standard spring, minimizing the number of components. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of an embodiment of the present utility model.
[0016] Figure 2 This is an exploded view of an embodiment of the present invention.
[0017] Figure 3 This is a partial schematic diagram of the handle of a power tool according to an embodiment of this utility model.
[0018] Figure 4 This is a schematic diagram of an embodiment of the present invention when the button is not pressed.
[0019] Figure 5 This is a schematic diagram of pressing the button according to an embodiment of the present invention.
[0020] Figure 6 This is a schematic diagram of the battery pack cover according to an embodiment of the present invention.
[0021] Figure 7 This is a schematic diagram of the bottom view of the battery pack cover according to an embodiment of the present invention.
[0022] Figure 8 This is a schematic diagram of the bottom of the battery pack cover according to another embodiment of the present invention.
[0023] Figure 9 This is a schematic diagram of the button in an embodiment of this utility model.
[0024] Figure 10 This is a schematic diagram of the left buckle in an embodiment of this utility model. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.
[0026] As shown in the figure, the utility model discloses a kind of electric tool battery pack, including battery pack upper cover 1 and battery pack lower shell 2, battery cell module 3 is installed in battery pack lower shell 2, battery pack upper cover 1 is installed in the upper end of battery pack lower shell 2, the front end of battery pack upper cover 1 is equipped with button through slot 101, the upper end of battery pack upper cover 1 both sides is equipped with buckle through slot 102, spring mounting plate 11 is equipped in battery pack upper cover 1, the rear end of button 4 is equipped with slot 41, spring mounting plate 11 passes through slot 41, spring 5 is installed in spring mounting plate 11 and button 4 intermediate, the buckle through slot 102 of battery pack upper cover 1 is respectively pivotally connected with left buckle 6 and right buckle 7, the inward part of left buckle 6 and right buckle 7 is equipped with opening slot 61, the opening slot 61 of left buckle 6 and right buckle 7 is connected with the end of button 4, the bottom of the handle 8 of electric tool is slidably connected with the upper end of battery pack upper cover 1, the bottom of the handle of electric tool both sides is equipped with clamping slot 81 corresponding with buckle through slot 102.
[0027] The bottom of the handle 8 of electric tool is slidably installed at battery pack upper cover 1, when not pressing button 4, part of left buckle 6 and right buckle 7 protrude buckle through slot 102 and are clamped at clamping slot 81, realize connection. When pressing button 4, spring 5 is compressed, at this time, button 4 pushes left buckle 6 and right buckle 7 to rotate, part of left buckle 6 and right buckle 7 is away from clamping slot 81 and is withdrawn, at this time, push battery pack upper cover 1, separate battery pack upper cover 1 and the handle 8 of electric tool.
[0028] In an embodiment of the utility model, button 4 is equipped with spring mounting column 42, spring mounting column 42 is located at the front end of slot 41, one end of spring 5 is installed at spring mounting column 42. Spring mounting column 42 plays the role of installing spring 5.
[0029] In an embodiment of the utility model, left buckle 6 and right buckle 7 are symmetrical structure, left buckle 6 includes upper pin shaft 62, lower pin shaft 63, rotating part one 64 and rotating part two 65, upper pin shaft 62 and lower pin shaft 63 are arranged above and below one end of rotating part one 64, rotating part two 65 is located at the inner side of rotating part one 64, rotating part two 65 is equipped with opening slot 61.
[0030] When the button 4 is pressed, the back end of the button rotates the rotating part two 65, which finally drives the left buckle 6 or the right buckle 7 to rotate around the upper pin shaft 62 and the lower pin shaft 63, so that one end of the rotating part one 64 rotates back and leaves the clamping groove 81. When the button 4 is released, the rotating part two 65 rotates in the opposite direction due to the spring return, so that one end of the rotating part one 64 rotates out of the buckle passing groove 102 and is clamped at the clamping groove 81, thereby achieving clamping.
[0031] In an embodiment of the present application, the battery pack upper cover 1 is provided with an upper pin shaft clamping groove 103, and the upper end of the upper pin shaft 62 is clamped at the upper pin shaft clamping groove 103. The battery pack upper cover 1 is provided with an upper pin shaft baffle 104.
[0032] The upper pin shaft baffle 104 is used to limit the rotating position of the left buckle 6 and the right buckle 7.
[0033] In an embodiment of the present application, the back end and the two sides of the battery pack upper cover 1 are provided with sliding parts 105, and the middle of the sliding parts 105 of the battery pack upper cover is the upper cover body 106. The upper end surface of the sliding parts on the two sides of the battery pack upper cover is located at the bottom upper end of the buckle passing groove 102, so that the left buckle 6 and the right buckle 7 can only slide at the buckle passing groove 102, thereby playing a limiting role.
[0034] In an embodiment of the present application, when one end of the left buckle 6 and the right buckle 7 passes through the buckle passing groove 102, one end of the left buckle 6 and the right buckle 7 is located outside the upper cover body 106, at which time the clamping is performed. When one end of the left buckle 6 and the right buckle 7 is located inside the upper cover body 106, the bottom of the handle 8 of the electric tool is unlocked from the left buckle 6 and the right buckle 7.
[0035] In an embodiment of the present application, the bottom of the handle 8 of the electric tool is provided with a battery pack passing horizontal groove 82, and the back end of the battery pack passing horizontal groove 82 is provided with sliding blocks 83. The clamping groove 81 is located at the sliding blocks 83. The battery pack passing horizontal groove 82 is used for sliding into or out of the battery pack.
[0036] The above content is only an example and description of the structure of the present application. Those skilled in the art can make various modifications or supplements or use similar ways to replace the described specific embodiments, as long as they do not deviate from the structure of the present application or exceed the scope defined by the present application, which shall belong to the protection scope of the present application.
Claims
1. A power tool battery pack, characterized by: The battery pack upper cover and the battery pack lower shell are included, the battery cell module is installed in the battery pack lower shell, the battery pack upper cover is installed at the upper end of the battery pack lower shell, the front end of the battery pack upper cover is provided with a button passing groove, the upper end of the battery pack upper cover is provided with a buckle passing groove on both sides, the battery pack upper cover is provided with a spring mounting plate, the rear end of the button is provided with a clamping groove, the spring mounting plate passes through the clamping groove, the spring is installed between the spring mounting plate and the button, the buckle passing groove of the battery pack upper cover is respectively pivotally connected with a left buckle and a right buckle, the inward part of the left buckle and the right buckle is provided with an open groove, the open groove of the left buckle and the right buckle is connected with the end of the button, the bottom of the handle of the electric tool is slidably connected with the upper end of the battery pack upper cover, the handle of the electric tool is provided with a clamping groove on both sides corresponding to the buckle passing groove.
2. The power tool battery pack of claim 1, wherein: The button is provided with a spring mounting column, the spring mounting column is located at the front end of the clamping groove, and one end of the spring is installed at the spring mounting column.
3. The power tool battery pack of claim 1, wherein: The left buckle and the right buckle are symmetrical structures, the left buckle includes an upper pin shaft, a lower pin shaft, a rotating part one and a rotating part two, the upper pin shaft and the lower pin shaft are arranged above and below one end of the rotating part one, the rotating part two is located on the inner side of the rotating part one, and the rotating part two is provided with an open groove.
4. The power tool battery pack of claim 3, wherein: The battery pack upper cover is provided with an upper pin shaft clamping groove, the upper end of the upper pin shaft is clamped at the upper pin shaft clamping groove, and the battery pack upper cover is provided with an upper pin shaft baffle.
5. The power tool battery pack of claim 4, wherein: The rear end and both sides of the battery pack upper cover are provided with sliding parts, the middle part of the sliding part of the battery pack upper cover is a cover body, and the upper end surface of the sliding part on both sides of the battery pack upper cover is located on the bottom end of the buckle passing groove.
6. The power tool battery pack of claim 5, wherein: When one end of the left buckle and the right buckle passes through the buckle passing groove, one end of the left buckle and the right buckle is located on the outer side of the cover body.
7. The power tool battery pack of claim 5, wherein: The front end of the handle of the electric tool is provided with a battery pack passing transverse groove, the rear end of the battery pack passing transverse groove is provided with a sliding block on both sides, and the clamping groove is located at the sliding block.