CN220030046U

CN220030046U - Lithium electric wrench

Info

Publication number: CN220030046U
Application number: CN202321271617.8U
Authority: CN
Inventors: 刘达成; 郑霁光; 杨鹏鹏
Original assignee: Shanghai Primo Tools Co ltd
Current assignee: Shanghai Primo Tools Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-11-17
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a lithium electric wrench, which relates to the technical field of lithium electric wrenches and comprises a wrench body, wherein one end of the wrench body is provided with a driving head, the other end of the wrench body is provided with an installation cavity, and a lithium ion battery device is detachably installed in the installation cavity; one end of the lithium ion battery device is connected with a stretching block, the other end of the lithium ion battery device is connected with a battery plug, and a motor is arranged in the wrench body. According to the utility model, the lithium electronic battery device is detachably arranged at the tail end of the wrench body, the arc-shaped handle structure is convenient for a user to hold, so that the gravity at the bottom of the handle can be reduced, the operation of the user is more labor-saving and convenient, meanwhile, the design of the force application notch can be used for applying force by inserting fingers into the force application notch when the force application of the user hand is inconvenient and slipping occurs, and the stability of the user during force application can be enhanced.

Description

Lithium electric wrench

Technical Field

The utility model relates to the technical field of lithium battery wrenches, in particular to a lithium battery wrench.

Background

The lithium battery wrench is an electric wrench tool powered by a lithium ion battery. The wrench is generally used for fastening and loosening connecting pieces such as bolts, nuts and the like, and has higher efficiency and convenience compared with a traditional manual wrench.

Lithium battery wrenches typically have an adjustable torque setting, and an appropriate torque level may be selected as desired. This is very important for different types of bolts and nuts, as they may require different torques to achieve the correct tightening force.

The lithium-ion wrench is driven by a motor, and uses a built-in lithium-ion battery as an energy source.

The lithium-ion battery in the prior art is usually positioned at the bottom part of the handle of the wrench and can be detached or fixedly installed. However, as the lithium electronic battery is arranged at the bottom of the handle, the weight of the joint of the handle is increased, so that a user can operate the handle more conveniently without applying force, and the phenomenon of more labor-consuming operation and inconvenient use exists.

From the above, we have designed a lithium battery wrench to solve the above problems.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a lithium battery wrench.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the lithium battery wrench comprises a wrench body, wherein a driving head is arranged at one end of the wrench body, an installation cavity is arranged at the other end of the wrench body, and a lithium ion battery device is detachably arranged in the installation cavity;

one end of the lithium ion battery device is connected with a stretching block, the other end of the lithium ion battery device is connected with a battery plug, a motor is installed in the wrench body, and an electric jack matched with the battery plug is arranged at the circuit connection end of the motor;

an annular positioning groove is formed in one side, close to the stretching block, of the mounting cavity, and a pressing limiting plate is detachably arranged in the positioning groove;

the wrench is characterized in that an arc-shaped handle is arranged outside one side, close to the lithium ion battery device, of the wrench body, and a force application notch is formed in the upper portion of the handle.

Preferably, the lithium ion battery device comprises a shell, a battery placing cavity, a battery limiting piece and a lithium battery, wherein the lithium battery is installed in the battery placing cavity and is limited and fixed through the battery limiting piece, a through hole for adapting to a battery plug is formed in the middle of the battery limiting piece, the battery plug is connected to one end of the lithium battery, and one side of the pressing limiting plate is connected with an annular pressing strip for pressing the outer part of the shell.

Preferably, the pressing limiting plate is of a circular structure, a penetrating groove penetrating through the stretching block is formed in the middle of the pressing limiting plate, and mounting limiting blocks are connected to two sides of the pressing limiting plate.

Preferably, the constant head tank is the ring shape structure, the both sides of constant head tank are provided with the installation bayonet socket with installation stopper looks adaptation, be provided with first rubber skid resistant course on the inboard inner wall of constant head tank, the both sides side of installation stopper is provided with the anti-skidding line.

Preferably, one side of the battery limiting piece is provided with a circular ring-shaped mounting bar, and a mounting fixing groove matched with the mounting bar is formed in the shell.

Preferably, a second rubber anti-slip layer is arranged on the outer side of the mounting strip.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the installation cavity is formed at the other end of the wrench body, and the lithium ion battery device is detachably arranged in the installation cavity, so that the lithium ion battery device is arranged at the tail end of the wrench body, the arc-shaped handle structure is convenient for a user to hold, the gravity at the bottom of the handle can be reduced, the operation is more labor-saving and convenient, meanwhile, the design of the force application notch can be used for inserting fingers into the force application notch to apply force when the user's hand is inconvenient to apply force and slipping, and the stability of the user during force application can be enhanced.

Drawings

Fig. 1 is a schematic structural diagram of a lithium battery wrench according to the present utility model;

FIG. 2 is a partial cross-sectional view of a lithium battery wrench according to the present utility model;

fig. 3 is a sectional view of a positioning slot of a lithium battery wrench according to the present utility model.

In the figure: the wrench comprises a wrench body 1, a driving head 2, a lithium ion battery device 3, a shell 301, a battery limiting piece 302, a lithium battery 303, a mounting cavity 4, a stretching block 5, a battery plug 6, an electric jack 7, a positioning groove 8, a pressing limiting plate 9, a mounting strip 10, a mounting limiting block 11, a mounting bayonet 12, a force application notch 13, a handle 14, an annular pressing strip 15 and a penetrating groove 16.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-3, a lithium battery wrench comprises a wrench body 1, wherein a driving head 2 is arranged at one end of the wrench body 1, a mounting cavity 4 is arranged at the other end of the wrench body 1, and a lithium ion battery device 3 is detachably arranged in the mounting cavity 4;

one end of the lithium ion battery device 3 is connected with a stretching block 5, and the stretching block 5 is used for being conveniently taken out by applying stretching force to the stretching block 5 when the lithium ion battery device 3 is disassembled;

the other end of the lithium ion battery device 3 is connected with a battery plug 6, a motor is arranged in the wrench body 1, and an electric jack 7 matched with the battery plug 6 is arranged at the circuit connection end of the motor; the battery plug 6 is connected with the electric jack 7 in an inserted way, so that a motor in the lithium battery wrench can be powered;

more specifically, the lithium ion battery device 3 comprises a shell 301, a battery placing cavity, a battery limiting piece 302 and a lithium battery 303, wherein the lithium battery 303 is installed in the battery placing cavity and is limited and fixed through the battery limiting piece 302, a through hole for adapting to a battery plug 6 is formed in the middle of the battery limiting piece 302, the battery plug 6 is connected to one end of the lithium battery 303, a circular ring-shaped installation strip 10 is arranged on one side of the battery limiting piece 302, an installation fixing groove matched with the installation strip 10 is formed in the shell 301, and a second rubber anti-slip layer is arranged on the outer side of the installation strip 10;

when the lithium ion battery device 3 is installed, firstly, the lithium battery 303 is placed in the battery placement cavity, the battery limiting piece 302 is aligned to be installed between the installation strip 10 and the fixing groove, the battery limiting piece 302 is installed on the end face of the shell 301, limiting fixation is carried out on the installed lithium battery 303, meanwhile, the battery plug 6 connected with one end of the lithium battery 303 penetrates through the through hole and is exposed to the outer side of the lithium ion battery device 3, then one end of the lithium ion battery device 3, provided with the lithium battery 303, is installed in the installation cavity 4, when the electronic battery device 3 is installed to the bottom inside the installation cavity 4, the battery plug 6 at one end of the lithium ion battery device 3 is just inserted into the adaptive electric jack 7 to supply power, and meanwhile, the control switch button electrically connected with the lithium battery 303 and the motor is further installed on the outer side of the lithium ion battery device 3.

In the embodiment, an annular positioning groove 8 is formed in one side of the installation cavity 4, which is close to the stretching block 5, a pressing limiting plate 9 is detachably arranged in the positioning groove 8, an annular pressing strip 15 which presses the outer part of the shell 301 is connected to one side of the pressing limiting plate 9, the pressing limiting plate 9 is of a circular structure, a penetrating groove 16 penetrating through the stretching block 5 is formed in the middle of the pressing limiting plate 9, and installation limiting blocks 11 are connected to two sides of the pressing limiting plate 9;

more specifically, the positioning groove 8 is of a circular ring structure, mounting bayonets 12 matched with the mounting limiting blocks 11 are arranged on two sides of the positioning groove 8, a first rubber anti-slip layer is arranged on the inner wall of the inner side of the positioning groove 8, and anti-slip patterns are arranged on two side faces of the mounting limiting blocks 11.

After the lithium ion battery device 3 is installed into the installation cavity 4, the pressing limiting plate 9 is installed to limit and fix the lithium ion battery device 3.

When the pressing limiting plate 9 is installed, firstly, the annular low-pressure strips 15 on one side of the pressing limiting plate 9 face the inside of the installation cavity 4 to be installed, the installation limiting blocks 11 on two sides of the pressing limiting plate 9 are aligned with the two installation bayonets 12 to be installed, after the installation limiting blocks are installed, the annular low-pressure strips 15 are abutted against and fixed with the outer side parts of the lithium ion battery device 3, then the pressing limiting plate 9 is rotationally pressed by applying force, the installation limiting blocks 11 on two sides of the pressing limiting plate 9 are rotationally moved to the inside of the positioning groove 8 by applying force, the pressing limiting plate 9 is limited and fixed by the relative friction force of the first rubber anti-skid layer and the anti-skid patterns, the stability of the lithium ion battery device 3 after installation is enhanced, meanwhile, the lithium ion battery device 3 is detached and installed very quickly, and the lithium ion battery device is convenient to replace when the lithium battery 303 is damaged.

In the embodiment, a circular arc-shaped handle 14 is arranged outside one side of the wrench body 1, which is close to the lithium ion battery device 3, and a force application notch 13 is formed above the handle; the circular arc handle 14 is convenient for the user to hold by hand, and simultaneously, the force application notch 13 can be used for enhancing the stability of the user during force application through inserting fingers into the force application notch 13 when the user is inconvenient to apply force and slipping.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be appreciated by persons skilled in the art that the present utility model is not limited to the embodiments described above, but is capable of numerous variations and modifications without departing from the spirit and scope of the utility model as hereinafter claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The lithium battery wrench comprises a wrench body (1), and is characterized in that one end of the wrench body (1) is provided with a driving head (2), the other end of the wrench body (1) is provided with an installation cavity (4), and a lithium ion battery device (3) is detachably installed in the installation cavity (4);

one end of the lithium ion battery device (3) is connected with a stretching block (5), the other end of the lithium ion battery device (3) is connected with a battery plug (6), a motor is installed in the wrench body (1), and an electric jack (7) matched with the battery plug (6) is arranged at the circuit connection end of the motor;

an annular positioning groove (8) is formed in one side, close to the stretching block (5), of the mounting cavity (4), and a pressing limiting plate (9) is detachably mounted in the positioning groove (8);

the wrench is characterized in that a circular arc-shaped handle (14) is arranged outside one side, close to the lithium ion battery device (3), of the wrench body (1), and a force application notch (13) is formed in the upper portion of the handle.

2. The lithium battery wrench according to claim 1, wherein the lithium ion battery device (3) comprises a housing (301), a battery placing cavity, a battery limiting piece (302) and a lithium battery (303), the lithium battery (303) is installed in the battery placing cavity and is limited and fixed through the battery limiting piece (302), a through hole for adapting the power Chi Chatou (6) is formed in the middle of the battery limiting piece (302), the battery plug (6) is connected to one end of the lithium battery (303), and an annular pressing strip (15) for pressing the outer part of the housing (301) is connected to one side of the pressing limiting plate (9).

3. The lithium battery wrench as claimed in claim 1, wherein the pressing limiting plate (9) has a circular structure, a through groove (16) penetrating through the stretching block (5) is formed in the middle of the pressing limiting plate (9), and mounting limiting blocks (11) are connected to two sides of the pressing limiting plate (9).

4. The lithium battery wrench according to claim 1 or 3, wherein the positioning groove (8) is of a circular ring structure, mounting bayonets (12) matched with the mounting limiting blocks (11) are arranged on two sides of the positioning groove (8), a first rubber anti-slip layer is arranged on the inner wall of the inner side of the positioning groove (8), and anti-slip patterns are arranged on two side surfaces of the mounting limiting blocks (11).

5. The lithium battery wrench according to claim 2, wherein one side of the battery limiting piece (302) is provided with a circular ring-shaped mounting bar (10), and a mounting fixing groove matched with the mounting bar (10) is formed in the shell (301).

6. The lithium battery wrench according to claim 5, wherein the outer side of the mounting bar (10) is provided with a second rubber anti-slip layer.