CN218182368U

CN218182368U - Lithium battery of electric tool

Info

Publication number: CN218182368U
Application number: CN202222022136.5U
Authority: CN
Inventors: 贺传宇; 李华; 庞丁东
Original assignee: Henan Runlithium New Energy Co ltd
Current assignee: Henan Runlithium New Energy Co ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-30
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses an electric tool lithium cell, which comprises a housin, the top of casing is provided with the fixing base, the inside of casing is provided with battery body, the top welding of casing has two fixture blocks, the inside of fixing base is provided with the cardboard, the top outer wall of cardboard is opened has the bayonet socket with fixture block looks adaptation, the outside welding that the one end of cardboard extends to the fixing base has the ejector pad, one side inner wall integrated into one piece of fixing base has two guide pillars, the one end welding of cardboard has two slides, two slides slide slip and cup joint in the outside of guide pillar, spring one has been cup jointed to the outside of guide pillar. The utility model discloses a spring one, fixture block and the cardboard that set up, the elasticity that utilizes spring one makes the cardboard carry out the joint through bayonet socket and fixture block and fixes, and then makes electric tool's lithium cell more convenient when installing.

Description

Lithium battery of electric tool

Technical Field

The utility model relates to an electric tool technical field, concretely relates to electric tool lithium cell.

Background

With the development of technology, the use of electric tools is becoming more and more popular, and the hand-held electric tools are usually provided with lithium batteries, so that the electric tools can get rid of the constraint of electric wires when in use.

Chinese patent No. CN201921718795.4 discloses an electric tool lithium battery, including the lower cover, install on the lower cover and with lower cover complex upper cover, by the upper cover with the lower cover encloses the accommodating space who establishes formation, establishes in the accommodating space and install the lithium cell group of lower cover, install the control panel module of lithium cell group top, establish control panel module top and be located the charge and discharge contact terminal of its relative one side, establish the terminal casting die of charge and discharge contact terminal top and establish the fin of charge and discharge contact terminal top, the upper surface of the first side of upper cover is equipped with battery charge and discharge port, the first side of upper cover with the relative one side of control panel module is corresponding, battery charge and discharge port have with the gap of accommodating space intercommunication, charge and discharge contact terminal exposes in the gap.

The above and the prior art electric tool lithium battery is inconvenient to detach and install, which causes the electric tool lithium battery to be troublesome to replace. Therefore, it is desirable to design a lithium battery for power tools to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric tool lithium cell to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides an electric tool lithium cell, includes the casing, the top of casing is provided with the fixing base, the inside of casing is provided with battery body, the top welding of casing has two fixture blocks, the inside of fixing base is provided with the cardboard, the top outer wall of cardboard is opened has the bayonet socket with fixture block looks adaptation, the outside welding that the one end of cardboard extends to the fixing base has the ejector pad, one side inner wall integrated into one piece of fixing base has two guide pillars, the one end welding of cardboard has two slides, two the slide slides and cup joints the outside at the guide pillar, the outside of guide pillar has cup jointed spring one.

Furthermore, the spring is located between the sliding plate and the inner wall of one side of the fixed seat, and a stop block is welded at one end of the guide pillar.

Furthermore, a main control board is fixed on the inner wall of the top of the shell and is electrically connected with the battery body.

Further, the welding of the top outer wall of casing has the reference column, the bottom inner wall integrated into one piece of fixing base has a location section of thick bamboo, reference column and a location section of thick bamboo looks adaptation, the top outer wall of fixing base is provided with the connecting hole.

Furthermore, the top of the shell is provided with a mounting opening, and a second spring is fixed inside the mounting opening.

Further, the bottom outer wall of casing is embedded to have the heating panel, be provided with heat conduction silica gel between heating panel and the battery body.

In the technical scheme, the utility model provides a pair of electric tool lithium cell, beneficial effect is:

(1) Through spring one, fixture block and the cardboard that sets up, the elasticity that utilizes spring one makes the cardboard carry out the joint through bayonet socket and fixture block and fixes, and then makes electric tool's lithium cell more convenient when installing.

(2) Through ejector pad and the second spring that sets up, promote the cardboard through the ejector pad for the cardboard does not form to block the fixture block, then can make the bayonet socket of fixture block and cardboard break away from automatically through the elasticity of second spring, has consequently realized electric tool's lithium cell and has dismantled convenient effect.

(3) Through the heat conduction silica gel and the heating panel that set up, utilize heat conduction silica gel to make the heat on the battery body can the efficient transmit the heating panel of metal material on, and then make the heating panel can play the efficient effect of battery body heat dissipation, prevent that the battery body is overheated.

(4) Through the reference column and the location section of thick bamboo that set up, when casing and fixing base are fixed, utilize the reference column to peg graft in the inside of fixed section of thick bamboo for more accurate with the joint of cardboard of fixture block, and then more reliable effect when having realized the installation of electric tool lithium cell.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of an overall structure provided by an embodiment of a lithium battery of an electric tool of the present invention.

Fig. 2 is a schematic view of an internal structure of a housing provided in an embodiment of a lithium battery of an electric tool of the present invention.

Fig. 3 is a schematic view of the internal structure of the fixing base provided by the lithium battery of the electric tool of the present invention.

Description of reference numerals:

the battery comprises a shell 1, a battery body 2, a main control board 3, heat-conducting silica gel 4, a clamping block 5, a clamping board 6, a sliding plate 7, a guide pillar 8, a spring I9, a spring stop 10, a bayonet 11, a push block 12, a positioning barrel 13, a positioning column 14, a mounting opening 15, a spring II 16, a connecting hole 17, a heat dissipation plate 18 and a fixing seat 19.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.

As shown in fig. 1-3, the embodiment of the utility model provides a pair of electric tool lithium battery, which comprises a housin 1, casing 1 is the shell of electric tool lithium battery, casing 1's top is provided with fixing base 19, fixing base 19 is fixed with electric tool, casing 1's inside is provided with battery body 2, battery body 2 is the lithium cell package, casing 1's top welding has two fixture blocks 5, fixing base 19's inside is provided with cardboard 6, the top outer wall of cardboard 6 is opened has the bayonet socket 11 with fixture block 5 looks adaptation, make casing 1 and fixing base 19 fix when bayonet socket 11 on cardboard 6 and fixture block 5 joint, the one end of cardboard 6 extends to fixing base 19's outside welding has ejector pad 12, conveniently promote cardboard 6 through ejector pad 12, one side inner wall integrated into one piece of fixing base 19 has two guide pillars 8, the one end welding of cardboard 6 has two slides 7, two slides 7 and cup joints the outside at guide pillar 8, the outside of guide pillar 8 has cup jointed spring 9, utilize the elasticity of spring 9 to make cardboard 6 can keep the joint state through bayonet socket 11 and fixture block 5.

The utility model provides a pair of electric tool lithium cell, through spring 9, fixture block 5 and the cardboard 6 that sets up, the elasticity that utilizes spring 9 makes cardboard 6 carry out the joint through bayonet socket 11 and fixture block 5 fixed, and then makes electric tool's lithium cell more convenient when installing.

The utility model provides a further embodiment, spring 9 is located between

slide

7 and 19 one side inner walls of fixing base, and the one end welding of guide pillar 8 has dog 10, utilizes dog 10 to prevent that slide 7 and guide pillar 8 from taking place to break away from.

The utility model provides a further embodiment, the top inner wall of casing 1 is fixed with main control board 3, has the plug connector that exposes in the outside interface and the electrically conductive connection that charges of casing 1 on main control board 3, and main control board 3 is electric connection with battery body 2 for prior art for battery body 2 can carry out the charge-discharge through main control board 3.

The utility model provides a further embodiment, the welding of casing 1's top outer wall has reference column 14, fixing base 19's bottom inner wall integrated into one piece has a location section of thick bamboo 13, reference column 14 and a location section of thick bamboo 13 looks adaptation, fixing base 19's top outer wall is provided with connecting hole 17, when casing 1 is fixed with fixing base 19, utilize reference column 14 to peg graft in the inside of a fixed section of thick bamboo, make fixture block 5 more accurate with cardboard 6's joint, and then more reliable effect when having realized the installation of electric tool lithium cell.

The utility model provides a further embodiment, the top of casing 1 is provided with installing port 15, and the inside of installing port 15 is fixed with two 16 springs, promotes cardboard 6 through ejector pad 12 for cardboard 6 does not block 5 formation of fixture block, then can make fixture block 5 and 6 bayonet 11 of cardboard break away from automatically through two 16 springs's elasticity.

The utility model provides a further embodiment, the embedded heating panel 18 that has of bottom outer wall of casing 1, heating panel 18 are made for the aluminum alloy material, are provided with heat conduction silica gel 4 between heating panel 18 and the battery body 2, make on the battery body 2 heat can the efficient transmit the heating panel 18 of metal material through heat conduction silica gel 4, and then make heating panel 18 can play the efficient effect of heat dissipation to battery body 2, prevent that battery body 2 is overheated.

The working principle is as follows: when the casing 1 outside the battery body 2 and the fixing seat 19 need to be installed and fixed, firstly, the positioning column 14 at the top of the casing 1 is inserted into the positioning cylinder 13 of the fixing seat 19, then the casing 1 is extruded towards the fixing seat 19, so that the clamping block 5 is inserted into the clamping groove in the clamping plate 6 inside the fixing seat 19, the clamping plate 6 is blocked by the elastic force of the first spring 9, and further the casing 1 and the fixing seat 19 are fixed, when the casing 1 needs to be detached from the fixing seat 19, the pushing block 12 is extruded, so that the clamping plate 6 does not block the clamping block 5, and further the clamping block 5 is separated from the inside of the bayonet 11 of the clamping plate 6 by the elastic force of the second spring 16, so that the lithium battery of the electric tool is more convenient to install and detach when in use, when the battery body 2 works and generates heat, the heat is well transferred to the heat dissipation plate 18 made of metal through the heat conducting silica gel 4, and the heat dissipation plate 18 can dissipate the heat on the battery body 2.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The lithium battery of the electric tool is characterized by comprising a shell (1), wherein a fixed seat (19) is arranged at the top of the shell (1), a battery body (2) is arranged inside the shell (1), two clamping blocks (5) are welded at the top of the shell (1), a clamping plate (6) is arranged inside the fixed seat (19), a bayonet (11) matched with the clamping blocks (5) is formed in the outer wall of the top of the clamping plate (6), a push block (12) is welded at one end of the clamping plate (6) and extends to the outside of the fixed seat (19), two guide pillars (8) are integrally formed on the inner wall of one side of the fixed seat (19), two sliding plates (7) are welded at one end of the clamping plate (6), the two sliding plates (7) are slidably sleeved outside the guide pillars (8), and a first spring (9) is sleeved outside the guide pillars (8).

2. A lithium battery for electric tools according to claim 1, characterized in that the first spring (9) is located between the slide (7) and the inner wall of the fixed base (19) on one side, and the stopper (10) is welded to one end of the guide post (8).

3. The lithium battery for electric tools as claimed in claim 1, wherein the top inner wall of the shell (1) is fixed with a main control board (3), and the main control board (3) is electrically connected with the battery body (2).

4. The lithium battery for the electric tool as claimed in claim 1, wherein the positioning column (14) is welded on the outer wall of the top of the shell (1), the positioning cylinder (13) is integrally formed on the inner wall of the bottom of the fixing seat (19), the positioning column (14) is matched with the positioning cylinder (13), and the outer wall of the top of the fixing seat (19) is provided with the connecting hole (17).

5. The lithium battery for electric tools as claimed in claim 1, characterized in that the top of the housing (1) is provided with a mounting opening (15), and a second spring (16) is fixed inside the mounting opening (15).

6. The lithium battery for electric tools as claimed in claim 1, characterized in that the outer wall of the bottom of the housing (1) is embedded with a heat dissipation plate (18), and a heat conductive silicone (4) is arranged between the heat dissipation plate (18) and the battery body (2).