CN214227867U

CN214227867U - Lithium battery charger for electric tool

Info

Publication number: CN214227867U
Application number: CN202022729337.XU
Authority: CN
Inventors: 宋文清
Original assignee: Changzhou Boxuan Electronics Co ltd
Current assignee: Changzhou Boxuan Electronics Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-09-17
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to a battery charging technology field, the utility model discloses an electric tool lithium battery charger, including the charging device body, the charging device body includes the charging body and plug wire, the charging body is close to one side fixedly connected with of plug wire and accomodates fixing device, accomodate fixing device and include first fixed frame, pothook, movable plate, carriage release lever, stop collar, pulling handle, accomodate groove, extrusion ball, the fixed frame of first magnetic path, second, fixture block, second magnetic path and first spring, a side surface that first fixed frame is close to the plug wire is inserted and is equipped with the pothook. The utility model discloses be provided with and accomodate fixing device, make the pothook fix inside first fixed frame, the effectual phenomenon of avoiding plug wire winding deformation, the device is provided with protector, and the effectual impact force to on the buffer board provides the buffering, avoids the impact force to strike the charging body on, effectually protects the charging body.

Description

Lithium battery charger for electric tool

Technical Field

The utility model relates to a battery charging technology field specifically is an electric tool lithium battery charger.

Background

With the continuous development of society, lithium ion batteries are widely applied to various products at present, and the lithium ion batteries work by moving lithium ions between a positive electrode and a negative electrode. In the process of charging and discharging, lithium ions are inserted and de-inserted between two electrodes in a reciprocating manner, and the lithium ion battery is a representative of modern high-performance batteries, is energy-saving and environment-friendly, and is widely applied.

However, the plug wire of the existing lithium battery charger is mostly wound on the surface of the charging body at will after the use is completed, the long-time extrusion winding can lead to the bending position of the plug wire to be torn and deformed, the plug wire can not charge the lithium battery, the use quality of the charging device body is influenced, meanwhile, in the daily taking process, the charging device body can fall off from the hand of a user, the charging body is collided on the ground, elements inside the charging body are damaged, and therefore the problem is solved by the electric tool lithium battery charger in urgent need.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric tool lithium battery charger to the plug wire that proposes in solving above-mentioned background art is that the user of general is the crooked plug wire of placing at will when not needing to use, can lead to the plug wire to appear tearing deformation and operating personnel can drop the problem that causes the damage on the ground when taking the charging device body with the meeting of charging.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium battery charger of an electric tool comprises a charging device body, wherein the charging device body comprises a charging body and a plug wire, one side of the charging body, which is close to the plug wire, is fixedly connected with a containing and fixing device, the containing and fixing device comprises a first fixing frame, a clamping hook, a movable plate, a movable rod, a limiting sleeve, a pulling handle, a containing groove, an extrusion ball, a first magnetic block, a second fixing frame, a clamping block, a second magnetic block and a first spring, the clamping hook is inserted on the surface of one side, which is close to the plug wire, of the first fixing frame, the movable plate is fixedly connected with one side, which is far away from the plug wire, of the clamping hook, the movable rod is fixedly connected with one side, which is far away from the limiting sleeve, of the movable plate, the movable rod is close to the positions of two ends, the upper end of the movable plate is close to the middle position and is fixedly connected with the first spring, the surface, which is far away from the movable plate, is sleeved with the limiting sleeve, and one side, of the movable rod is fixedly connected with the pulling handle, the protection device comprises a protection device, wherein the protection device comprises a fixed plate, a fixed block, a connecting rod, a sliding block, a sliding groove, a buffer plate, a moving block, an extrusion frame, a spring ball and a fixed rod, the fixed block is fixedly connected to the middle position of the inner wall of the containing groove close to the first spring, the protection device comprises the fixed plate, the fixed block, the connecting rod, the sliding block, the sliding groove, the buffer plate, the moving block, the extrusion frame, the spring ball and the fixed rod, the fixed block is fixedly connected to the middle position of the inner wall of the fixed plate, the connecting rod is hinged to the surface of the fixed block, the sliding groove is sleeved on the surface of one side of the connecting rod far from the fixed block, and the sliding block is hinged to the connecting rod close to the inside of the sliding groove, the surface of one side, far away from the connecting rod, of the sliding groove is fixedly connected with a buffer board, the side edge of the sliding groove is provided with a moving block, the inner wall of the moving block is fixedly connected with an extrusion frame, one side, far away from the moving block, of the extrusion frame is fixedly connected with a marble, and fixing rods are arranged on two sides of the inner wall of the moving block.

Preferably, the hooks are arranged in a barb shape, and the hooks are uniformly distributed on one side of the first fixing frame close to the plug wire.

Preferably, the stop collar is arranged on one side surface of the first fixing frame, which is far away from the clamping hook, and the diameter of the inner wall of the stop collar is the same as that of the movable rod.

Preferably, the extrusion balls are arranged in two groups, and the two groups of extrusion balls are symmetrically distributed on two sides of the inner wall of the accommodating groove.

Preferably, a clamping groove is formed in one side, close to the second magnetic block, of the clamping block, and the first magnetic block is matched with the clamping groove formed in the clamping block.

Preferably, a convex block is arranged on one side of the fixed rod close to the moving block and is abutted against the inner wall of the moving block.

Compared with the prior art, the beneficial effects of the utility model are that: the device is provided with accomodates fixing device, makes the pothook fix inside first fixed frame, the effectual phenomenon of avoiding plug wire winding deformation, and the device is provided with protector, and the effectual impact force to on the buffer board provides the buffering, avoids the impact force to strike the charging body on, the effectual body that charges of having protected.

(1) The device is provided with and accomodates fixing device, after the plug wire uses the completion, earlier with the orderly winding of plug wire on two sets of pothooks, after the plug wire winding is accomplished, pull the pulling handle to the one side of keeping away from first fixed frame, make the inside recess of carriage release lever and fixture block be in same horizontal plane, insert the fixture block again and establish the inside recess of carriage release lever, make first magnetic path and second magnetic path laminating, make the pothook can fix inside first fixed frame, the effectual phenomenon of avoiding the plug wire winding deformation.

(2) The device is provided with protector, and when the body that charges will receive the impact, the buffer board can receive the striking earlier, makes the connecting rod move to both sides in the spout inside, makes the movable block remove along the dead lever outer wall, makes elastic deformation appear in the marble between the extrusion frame, and effectual impact force to on the buffer board provides the buffering, avoids on the impact force strikes the body that charges, and the effectual body that charges has protected.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic side view of the structure of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 4 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention.

In the figure: 1. a charging device body; 110. a charging body; 120. inserting wires; 2. a storage fixing device; 210. a first fixed frame; 220. a hook; 230. moving the plate; 240. a travel bar; 250. a limiting sleeve; 260. pulling the handle; 270. a receiving groove; 280. extruding the ball; 290. a first magnetic block; 2100. a second fixed frame; 2110. a clamping block; 2120. a second magnetic block; 2130. a first spring; 3. a guard; 310. a fixing plate; 320. a fixed block; 330. a connecting rod; 340. a slider; 350. a chute; 360. a buffer plate; 370. a moving block; 380. extruding the frame; 390. a marble; 3100. and (5) fixing the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a lithium battery charger of an electric tool comprises a charging device body 1, wherein the charging device body 1 comprises a charging body 110 and a plug wire 120, one side of the charging body 110 close to the plug wire 120 is fixedly connected with a containing and fixing device 2, the containing and fixing device 2 comprises a first fixing frame 210, a clamping hook 220, a moving plate 230, a moving rod 240, a limiting sleeve 250, a pulling handle 260, a containing groove 270, a pressing ball 280, a first magnetic block 290, a second fixing frame 2100, a clamping block 2110, a second magnetic block 2120 and a first spring 2130, the clamping hook 220 is inserted in the surface of one side of the first fixing frame 210 close to the plug wire 120, the moving plate 230 is fixedly connected to one side of the clamping hook 220 far away from the plug wire 120, the moving rod 240 is fixedly connected to the positions of two ends of one side of the moving plate 230 far away from the clamping hook 220, the first spring 2130 is fixedly connected to the middle position of the upper end of the moving plate 230, the limiting sleeve 250 is sleeved on the surface of one side of the moving rod 240 far away from the moving plate 230, a pulling handle 260 is fixedly connected to one side of the moving rod 240 far away from the limiting sleeve 250, a receiving groove 270 is formed in one side of the moving rod 240 near the first spring 2130, a squeezing ball 280 is fixedly connected to the side of the inner wall of the receiving groove 270 far away from the first spring 2130, a first magnet 290 is fixedly connected to the middle position of the inner wall of one side of the receiving groove 270 far away from the first spring 2130, a second fixing frame 2100 is arranged at the side of the moving rod 240, a fixture block 2110 is inserted into the second fixing frame 2100, a second magnet 2120 is fixedly connected to one side of the fixture block 2110 near the moving rod 240, a protection device 3 is fixedly connected to the surface of the charging body 110, the protection device 3 comprises a fixing plate 310, a fixing block 320, a connecting rod 330, a sliding block 340, a sliding groove 350, a buffer plate 360, a moving block 370, a squeezing frame 380, a bouncing ball 390 and a fixing rod 3100, a fixing block 320 is fixedly connected to the middle position of the inner wall of the fixing plate 310, a connecting rod 330 is hinged to the surface of the fixing block 320, the connecting rod 330 is kept away from one side surface of fixed block 320 and is cup jointed spout 350, the connecting rod 330 is close to the inside articulated slider 340 that has of spout 350, one side fixed surface that connecting rod 330 was kept away from to spout 350 is connected with buffer board 360, the spout 350 side is provided with movable block 370, movable block 370 inner wall fixedly connected with extrusion frame 380, one side fixedly connected with marble 390 that movable block 370 was kept away from to extrusion frame 380, movable block 370 inner wall both sides are provided with dead lever 3100.

The hooks 220 are arranged in a barb shape, and the hooks 220 are uniformly distributed on one side, close to the plug wire 120, of the first fixing frame 210, so that an operator can conveniently wind the plug wire 120 on the hooks 220, the hooks 220 can fix the plug wire 120, and the plug wire 120 is prevented from being torn and deformed in a long-term overstock process.

The position limiting sleeve 250 is arranged on one side surface of the first fixing frame 210, which is far away from the hook 220, and the diameter of the inner wall of the position limiting sleeve 250 is the same as that of the moving rod 240, so that when an operator pulls the pulling handle 260, the moving rod 240 can stably move upwards along the inner wall of the position limiting sleeve 250, and the moving rod 240 is prevented from deviating in the moving process.

The two sets of the pressing balls 280 are arranged, and the two sets of the pressing balls 280 are symmetrically distributed on two sides of the inner wall of the accommodating groove 270, so that when an operator inserts the fixture block 2110 into the accommodating groove 270, the pressing balls 280 on two sides of the inner wall of the accommodating groove 270 can sufficiently press two side surfaces of the fixture block 2110, and the fixture block 2110 can be stably inserted into the moving rod 240.

One side of the clamping block 2110, which is close to the second magnetic block 2120, is provided with a clamping groove, and the first magnetic block 290 is matched with the clamping groove formed in the clamping block 2110, so that when the clamping block 2110 moves into the accommodating groove 270, the first magnetic block 290 can be inserted into the clamping groove formed in the clamping block 2110 at the same time, and the first magnetic block 290 is fully attached to the second magnetic blocks 2120 on two sides of the inner wall of the clamping groove of the clamping block 2110.

The side of the fixed rod 3100 close to the moving block 370 is provided with a bump which is abutted against the inner wall of the moving block 370, so that when the moving block 370 is pressed by the buffer plate 360 to move towards the side of the fixed rod 3100, the moving block 370 can vertically move towards the side of the fixed rod 3100 under the pressing action of the bump on the outer surface of the fixed rod 3100, and the moving stability of the moving block 370 is ensured.

The working principle is as follows: when the charging device body 1 needs to charge the electric tool, the charging device body 1 is taken and conveyed to a designated position, when the charging body 110 falls off from a hand in the taking process, the buffer plate 360 firstly collides with the ground, the sliding block 340 is extruded, the sliding block 340 moves towards two sides in the sliding groove 350, the moving block 370 arranged at the side edge of the sliding groove 350 moves towards one side of the fixed rod 3100, the marble 390 between the extruding frames 380 is elastically deformed, the moving block 370 returns to the original position under the elastic action of the marble 390, the two sets of moving blocks 370 drive the buffer plate 360 to return to the original position, the charging body 110 is prevented from being damaged by impact, the plug wire 120 can charge the lithium battery, after the use of the plug wire 120 is completed, the plug wire 120 is pre-wound on the two sets of hooks 220, after the winding of the plug wire 120 is completed, the pulling handle 260 is pulled towards one side far away from the first fixed frame 210, the first spring 2130 is elastically deformed, the groove in the moving rod 240 and the fixture block 2110 are located on the same horizontal plane, and then the fixture block 2110 is inserted into the groove in the moving rod 240, so that the first magnetic block 290 and the second magnetic block 2120 are tightly attached, the hook 220 can be fixed in the first fixing frame 210, an operator can fix the position of the plug wire 120 conveniently, and the phenomenon that the plug wire 120 is extruded and deformed for a long time is effectively avoided.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an electric tool lithium cell charger, includes charging device body (1), its characterized in that: the charging device body (1) comprises a charging body (110) and a plug wire (120), one side of the charging body (110) close to the plug wire (120) is fixedly connected with a containing fixing device (2), the containing fixing device (2) comprises a first fixing frame (210), a clamping hook (220), a moving plate (230), a moving rod (240), a limiting sleeve (250), a pulling handle (260), a containing groove (270), an extrusion ball (280), a first magnetic block (290), a second fixing frame (2100), a clamping block (2110), a second magnetic block (2120) and a first spring (2130), the clamping hook (220) is inserted into the surface of one side, close to the plug wire (120), of the first fixing frame (210), one side, far away from the moving plate (120), of the clamping hook (220) is fixedly connected with the moving plate (230), and the moving rod (240) is fixedly connected to the position, close to two ends, of one side, far away from the clamping hook (220), of the moving plate (230), a first spring (2130) is fixedly connected to the upper end of the moving plate (230) close to the middle position, a limiting sleeve (250) is sleeved on the surface of one side, away from the moving plate (230), of the moving rod (240), a pulling handle (260) is fixedly connected to one side, away from the limiting sleeve (250), of the moving rod (240), a containing groove (270) is formed in one side, close to the first spring (2130), of the moving rod (240), an extrusion ball (280) is fixedly connected to the side edge of the inner wall of the containing groove (270), a first magnetic block (290) is fixedly connected to the middle position of the inner wall of one side, away from the first spring (2130), a second fixing frame (2100) is arranged on the side edge of the moving rod (240), a fixture block (2110) is inserted into the second fixing frame (2100), a second magnetic block (2120) is fixedly connected to one side, close to the moving rod (240), and a protection device (3) is fixedly connected to the surface of the charging body (110), the protective device (3) comprises a protective device (3) which comprises a fixed plate (310), a fixed block (320), a connecting rod (330), a sliding block (340), a sliding groove (350), a buffer plate (360), a moving block (370), an extrusion frame (380), a marble (390) and a fixed rod (3100), wherein the fixed block (320) is fixedly connected to the middle position of the inner wall of the fixed plate (310), the connecting rod (330) is hinged to the surface of the fixed block (320), the sliding groove (350) is sleeved on the surface of one side, far away from the fixed block (320), of the connecting rod (330), the sliding block (340) is hinged inside the connecting rod (330) close to the sliding groove (350), the buffer plate (360) is fixedly connected to the surface of one side, far away from the connecting rod (330), of the sliding groove (350), the moving block (370) is arranged on the side edge of the sliding groove (350), and the extrusion frame (380) is fixedly connected to the inner wall of the moving block (370), one side of the extrusion frame (380) far away from the moving block (370) is fixedly connected with a marble (390), and two sides of the inner wall of the moving block (370) are provided with fixing rods (3100).

2. A power tool lithium battery charger as defined in claim 1, wherein: the clamping hooks (220) are arranged in a barb shape, and the clamping hooks (220) are uniformly distributed on one side, close to the plug wire (120), of the first fixing frame (210).

3. A power tool lithium battery charger as defined in claim 1, wherein: the limiting sleeve (250) is arranged on one side surface, far away from the clamping hook (220), of the first fixing frame (210), and the diameter of the inner wall of the limiting sleeve (250) is the same as that of the moving rod (240).

4. A power tool lithium battery charger as defined in claim 1, wherein: the two groups of the extrusion balls (280) are symmetrically distributed on two sides of the inner wall of the accommodating groove (270).

5. A power tool lithium battery charger as defined in claim 1, wherein: one side of the clamping block (2110) close to the second magnetic block (2120) is provided with a clamping groove, and the first magnetic block (290) is matched with the clamping groove formed in the clamping block (2110).

6. A power tool lithium battery charger as defined in claim 1, wherein: a convex block is arranged on one side, close to the moving block (370), of the fixing rod (3100), and the convex block abuts against the inner wall of the moving block (370).