TWM579087U - Charging assembly structure of battery seat of handheld electric tool - Google Patents

Abstract

This creation is the assembly of the battery and charger for the handheld power tool, which includes a charger and a battery holder. The charger recess is formed with a battery slot, and the two side wall surfaces of the battery slot are protruded to form two first joint portions. The two lateral sides of the battery holder are respectively recessed and formed with two first sliding slots, each of the first sliding slots has a transverse section and a longitudinal section; the two first joints of the charger are selectively disposed through the housing Inside the two first chutes. The first joint portion and the first sliding groove are coupled to each other, so that the battery holder is stably coupled with the charger, so that the two are easily separated from each other or fall off. The design of the transverse section and the longitudinal section can shorten the stroke and speed up the joint speed, and also avoid the opening of the first chute at the end, so that the battery seat slips out of the hand due to improper application of the force direction.

Description

Charging assembly structure of battery holder for hand-held power tool

The present invention relates to an assembly and purchase of a battery and a charger, and more particularly to an assembly structure of a battery holder and a charger of a hand-held power tool.

Hand-held power tools can make people more labor-saving and more efficient when assembling or disassembling items. They use batteries as a driving force and combine traditional tools such as screwdrivers, drill bits, etc., instead of traditional manual force-applying tools. The way of doing it. The aforementioned hand-held power tool comprises a driving assembly, a hand holder and a battery holder; the battery holder is detachably coupled to the bottom end of the hand base and serves as a power supply for driving the driving assembly of the top of the hand base, thereby the screw A tool such as a screwdriver or a drill bit is mounted on the drive assembly, so that the purpose of replacing the human drive tool with electric power can be achieved.

Moreover, for environmental protection purposes, the battery holder can be detached from the hand-held seat after the power is exhausted, and connected to a charger for charging. In general, prior art chargers have a shallow slot and a negative conductive pin, and the battery holder is placed in a shallow slot and contacts the conductive pins for charging.

However, although this method is convenient and fast, since the battery holder is only placed in the shallow groove and is not fixed, the battery holder and the conductive pin are easily separated from each other due to accidental touch or vibration, and the battery may be caused. The loss of the seat from the charger can result in charging failure and may cause damage to the battery and fire.

In view of the foregoing shortcomings and deficiencies of the prior art, the present invention provides a charging assembly structure for a battery holder of a hand-held power tool, which can stably integrate the battery holder with the charger, avoiding separation or falling off, causing charging failure or battery damage. The danger of fire.

In order to achieve the above-mentioned creative purposes, the technical means adopted in this creation is to design a charging assembly structure of a battery holder for a hand-held power tool, which comprises:  a charger, the top surface of the recess is formed with a battery slot, the left and right side wall surfaces of the battery slot are respectively protruded toward each other to form two first joint portions;  a battery holder detachably coupled to the charger, and the battery holder has a joint surface, the joint surface of the battery holder is coupled to the battery slot of the charger when combined; the battery holder includes  a casing comprising the joint surface; the left and right sides of the casing are respectively recessed and formed with two first sliding grooves, each of the first sliding grooves comprises a transverse section and a longitudinal section, and the transverse section extends forward and backward. The longitudinal section extends up and down; the front end of the transverse section is closed and the rear end communicates with the lower end of the longitudinal section, the longitudinal section penetrates the joint surface of the casing and a first opening is formed on the joint surface of the casing The two first joint portions of the charger are selectively disposed in the two first sliding slots of the housing, and each of the first joint portions can enter or disengage from the corresponding first opening. Corresponding to the first chute.  

The present invention has the advantages of providing two first chutes on the casing of the battery holder, and designing the first chute into a transverse section and a longitudinal section, and forming a longitudinal section on the joint surface of the casing. An opening; thereby, when the battery holder is combined with the charger, the two first joints of the charger can enter the longitudinal section of the first chute via the two first openings and then enter the transverse section. In this way, the battery holder is not only located in the battery slot of the charger during charging, but the first joint portion of the two side wall surfaces of the battery slot is also combined with the L-shaped first chute on both sides of the battery holder; and the first combination The combination of the first portion and the first chute not only has the effect of hooking and fastening, but also generates a frictional force between the first joint portion and the first chute to prevent the battery holder and the charger from sliding each other, thereby enabling the battery The seat is stably combined with the charger to avoid easy separation or disconnection between the two due to collision or vibration, further avoiding the risk of charging failure or battery damage and fire. Moreover, the lateral section and the longitudinal section are designed such that the first chute does not have to extend from the front end of the battery holder to the rear end, thereby shortening the stroke and speeding up the joining speed, and also avoiding the opening of the first chute at the end, so The battery holder slips out of the hand because of the improper direction of the force applied during the combination.

Further, the charging assembly structure of the battery holder of the hand-held power tool, wherein the lateral section of each of the first sliding slots of the housing is adjacent to the engaging surface of the housing, and the longitudinal section is adjacent to the The center of the front and rear ends of the left and right sides of the casing.

Further, the charging assembly structure of the battery holder of the handheld power tool, wherein the left and right sides of the housing of the battery holder are respectively recessed to form two second sliding slots, and the two second sliding slots are respectively located a rear side of the two first sliding slots, and the two second sliding slots are respectively spaced apart from the two first sliding slots; each of the second sliding slots extends forward and backward and penetrates the rear side of the housing and is on the rear side of the housing Forming a second opening; the opposite side wall surfaces of the battery slot are respectively formed with two second joint portions protruding toward each other, the two second joint portions are respectively located at a rear side of the two first joint portions, and the two second joints are respectively The second joint portion is respectively disposed in the two second sliding slots of the housing, and each of the second joint portions can be corresponding to the second joint portion. The second opening enters or exits the corresponding second chute.

Further, in the charging assembly structure of the battery holder of the hand-held power tool, the battery slot of the charger has a front end and a rear end, the front end corresponding to the front end of the battery holder, the rear end corresponding to the a rear end of the battery holder; the rear end of the charger has a level lower than a level of the front end of the charger, whereby the battery holder is tilted when the battery holder is coupled to the charger.

The technical means adopted by the present invention for achieving the intended purpose of creation are further explained below in conjunction with the drawings and the preferred embodiment of the present invention.

Referring to FIG. 1 and FIG. 2 , the charging assembly structure of the battery holder of the handheld power tool of the present invention comprises a charger 10 and a battery holder 20 .

A battery slot 11 is formed in the top surface of the charger 10. The first side joint portions 12 and the two second joint portions 13 are formed to protrude from the opposite side wall surfaces of the battery tank 11 . The two second joint portions 13 are respectively located at the rear sides of the two first joint portions 12, and the two second joint portions 13 are respectively spaced apart from the two first joint portions 12.

Referring to FIG. 3 to FIG. 6 , the battery holder 20 is detachably coupled to the charger 10 , and the joint surface of the battery holder 20 is coupled to the battery slot 11 of the charger 10 when combined. The battery holder 20 includes a housing 21, and two lateral grooves 211 and two second sliding slots 212 are respectively formed on the lateral sides of the housing 21. The two second sliding slots 212 are respectively disposed on the rear side of the two first sliding slots 211 , and the two second sliding slots 212 are respectively spaced apart from the two first sliding slots 211 . Each of the first sliding slots 211 includes a transverse section 2111 and a longitudinal section 2112. Specifically, the first sliding slot 211 forms an L-shaped recess on the lateral side of the housing 21. The front end of the transverse section 2111 is closed and the rear end is connected to the longitudinal section 2112. The longitudinal section 2112 extends upward through the joint surface of the housing 21 and defines a first opening 2113 at the joint surface of the housing 21. Each of the second sliding slots 212 extends forward and backward and penetrates the rear side surface of the housing 21 and defines a second opening 2121 on the rear side surface. The two first joint portions 12 of the charger 10 are selectively inserted into the two first sliding slots 211 of the housing 21, and each of the first joint portions 12 can enter or exit from the corresponding first opening 2113. And the second joint portion 13 of the charger 10 is selectively disposed in the two second sliding slots 212 of the housing 21, and each of the second joint portions 13 can be correspondingly The second opening 2121 enters or detaches from the corresponding second sliding slot 212.

That is, when the charger 10 and the battery holder 20 start to be assembled with each other, the user holds the battery holder 20 relative to the charger 10, and the first joint portion 12 is firstly shaped by the first opening 2113 along the L shape. The chute 211 moves; and, when the first joint portion 12 is moved from the first opening 2113 to the bottom end of the longitudinal section 2112, the second joint portion 13 of the charger 10 is located just behind the second chute 212 at the casing 21. The side surface penetrates into the rear of the second opening 2121; and when the first joint portion 12 starts to move along the lateral portion 2111, the second joint portion 13 enters the second sliding slot 212 from the second opening 2121. Finally, When the first joint portion 12 moves to the front end of the transverse portion 2111, the second joint portion 13 also moves to the front end of the second chute 212 at the same time, that is, the movement stroke when the charger 10 is coupled with the battery holder 20 is completed.

In addition, the structure in which the second joint portion 13 and the second sliding slot 212 are combined is to increase the stability and the anti-collision performance of the charger 10 and the battery holder 20, that is, to add one to each side of the housing 21 After the support structure is assembled, the impact force subjected to the impact can be shared, so as to avoid the impact of only the first joint portion 12 and the first sliding groove 211 when the impact is hit, thereby further making the product more durable and impact resistant; However, not limited thereto, the second joint portion 13 and the second sliding groove 212 may not be provided.

Moreover, in the present embodiment, the lateral section 2111 of each of the first sliding grooves 211 is adjacent to the top side of the casing 21, and the longitudinal section 2112 is adjacent to the center of the front end to the rear end of the lateral sides of the casing 21. Therefore, the creation can greatly shorten the movement stroke required for the first joint portion 12 when the battery holder 20 and the hand base 10 are assembled, thereby increasing the efficiency during assembly; but not limited thereto, the lateral portion 2111 does not have to be Adjacent to the top side of the housing 21, the longitudinal section 2112 is also not necessarily adjacent to the center of the front end to the rear end of the housing 21.

Furthermore, in the present embodiment, the battery slot 11 of the charger 10 has a front end 111 corresponding to the front end of the battery holder 20 and a rear end 112 corresponding to the rear end of the battery holder 20. When the charger 10 is horizontally placed, the rear end 112 is inclined downward with respect to the front end 111, whereby when the battery holder 20 is coupled to the horizontally placed charger 10, the battery holder 20 is tilted; in other words, the rear end The level of 112 is lower than the level of the front end 111. In other words, when the battery holder 20 is combined with the charger 10, the first coupling portion 12 and the second coupling portion 13 are stably disposed on the first sliding slot 211 by gravity. The lateral section 2111 and the front end of the second chute 212 can prevent the battery holder 20 from sliding relative to the charger 10 due to collision or vibration to cause separation. However, not limited thereto, the rear end 112 can also be at the same level as the front end 111, that is, the battery slot 11 can also be horizontal; thereby, when the battery holder 20 is coupled to the horizontally placed charger 10, the battery holder 20 The first horizontal slot 211 and the first combination can be used to prevent the two from sliding horizontally with each other, for example, the first sliding slot 211 and the first joint portion 12 are closely matched with each other. The structure having the bumps and the grooves between the portions 12 is engaged with each other and the like.

By combining the first joint portion 12 and the first sliding groove 211, the battery holder 20 can be stably combined with the charger 10 to avoid easy separation or falling off from each other due to collision or vibration, thereby avoiding Risk of charging failure or battery damage and fire. Moreover, the lateral section 2111 and the longitudinal section 2112 are designed such that the first sliding slot 211 does not have to be extended from the front end of the battery holder 20 to the rear end, thereby shortening the stroke and speeding up the joining speed, and also avoiding the opening of the first sliding slot 211 at the end. In this way, the battery holder 20 will not fall out of the hand due to improper orientation of the force applied during the combination.

The above description is only a preferred embodiment of the present invention, and does not impose any form limitation on the present invention. Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the present creation, and has any technical field. A person skilled in the art can make some modifications or modifications to equivalent embodiments by using the above-disclosed technical contents without departing from the technical scope of the present invention. The technical essence of the creation Any simple modification, equivalent change and modification of the above embodiments are still within the scope of the technical solution of the present invention.

10‧‧‧Charger

11‧‧‧ battery slot

111‧‧‧ front end

112‧‧‧ Backend

12‧‧‧ First Joint Department

13‧‧‧Second junction

20‧‧‧ battery holder

21‧‧‧ housing

211‧‧‧ first chute

2111‧‧‧ transverse section

2112‧‧‧ longitudinal section

2113‧‧‧ first opening

212‧‧‧Second chute

2121‧‧‧second opening

FIG. 1 is a perspective view showing the assembled battery holder and charger assembly.  FIG. 2 is an exploded view of the battery holder and the charger of the present invention.  Fig. 3 is a perspective view of the battery holder of the present invention.  4, FIG. 5 and FIG. 6 are schematic diagrams showing the steps of assembling and assembling the battery holder and the charger of the present invention.  

Claims (4)

A charging assembly structure for a battery holder of a hand-held power tool, which comprises  a charger, the top surface of the recess is formed with a battery slot, the left and right side wall surfaces of the battery slot are respectively protruded toward each other to form two first joint portions;  a battery holder detachably coupled to the charger, and the battery holder has a joint surface, the joint surface of the battery holder is coupled to the battery slot of the charger when combined; the battery holder includes  a casing comprising the joint surface; the left and right sides of the casing are respectively recessed and formed with two first sliding grooves, each of the first sliding grooves comprises a transverse section and a longitudinal section, and the transverse section extends forward and backward. The longitudinal section extends up and down; the front end of the transverse section is closed and the rear end communicates with the lower end of the longitudinal section, the longitudinal section penetrates the joint surface of the casing and a first opening is formed on the joint surface of the casing The two first joint portions of the charger are selectively disposed in the two first sliding slots of the housing, and each of the first joint portions can enter or disengage from the corresponding first opening. Corresponding to the first chute.   The charging assembly structure of the battery holder of the hand-held power tool of claim 1, wherein the lateral section of each of the first chutes of the housing is adjacent to the joint surface of the housing, and the longitudinal section is adjacent to the The center of the front and rear ends of the left and right sides of the casing. The charging assembly structure of the battery holder of the hand-held power tool according to claim 1 or 2, wherein  Two second sliding slots are respectively formed on the left and right sides of the housing of the battery holder, the two second sliding slots are respectively located behind the two first sliding slots, and the two second sliding slots are respectively separated from the two a first chute is disposed at intervals; each of the second chutes extends forward and backward and penetrates a rear side of the casing and a second opening is formed on a rear side of the casing;  The two opposite side walls of the battery slot are respectively formed with two second joint portions, and the two second joint portions are respectively located at the rear sides of the two first joint portions, and the two second joint portions are respectively opposite to the two a joint portion is disposed at intervals; the two second joint portions are respectively selectively disposed in the two second sliding slots of the housing, and each of the second joint portions can enter or leave from the corresponding second opening Corresponding to the second chute.   The charging assembly structure of the battery holder of the hand-held power tool according to claim 1 or 2, wherein the battery slot of the charger has a front end and a rear end, the front end corresponding to the front end of the battery holder, the rear end corresponding to At the rear end of the battery holder; the rear end of the charger has a level lower than a level of the front end of the charger, whereby the battery holder is tilted when the battery holder is coupled to the charger.