CN215395056U

CN215395056U - Converter and electric tool assembly

Info

Publication number: CN215395056U
Application number: CN202120583198.6U
Authority: CN
Inventors: 黄星星; 庄榜锋
Original assignee: Jiangsu Dongcheng Tools Technology Co Ltd
Current assignee: Jiangsu Dongcheng Tools Technology Co Ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2022-01-04
Anticipated expiration: 2031-03-22

Abstract

The utility model relates to a converter and an electric tool assembly, comprising an electric tool interface, a battery pack interface and a button assembly, wherein the electric tool is connected to the top of the converter through the electric tool interface, and the battery pack is connected to the bottom of the converter through the battery pack interface; the button assembly comprises buttons arranged on two sides of the top of the shell and latches connected to the buttons, the latches protrude outwards to extend out of two sides of the shell, and the latches have an extending state and a retracting state relative to the shell. The converter has simple structure and wide applicability, and effectively expands the application range of the battery pack.

Description

Converter and electric tool assembly

[ technical field ] A method for producing a semiconductor device

The present invention relates to a converter and an electric tool assembly, and more particularly, to a converter and an electric tool assembly adapted to mount a battery pack to an electric tool.

[ background of the utility model ]

Compared with the traditional alternating current power supply electric tool, the direct current power supply electric tool has the advantages of convenience in carrying, no limitation of regions and the like, and the direct current electric tool needs to be powered through the battery pack. The electric tools applied to different occasions often have different rated working voltages, so that each electric tool needs to be configured with a corresponding battery pack, but the specifications of the battery packs of different manufacturers are different, and a user needs to be configured with a plurality of battery packs with different specifications, so that the purchase cost of the user is increased, and when the electric tools and the battery packs are in an idle state, the waste of resources is also caused.

Accordingly, there is a need for a new transducer and power tool assembly that overcomes the deficiencies of the prior art.

[ Utility model ] content

In view of the shortcomings of the prior art, the present invention provides a converter and an electric tool assembly with simple structure and wide applicability.

The utility model solves the problems of the prior art by adopting the following technical scheme: a converter comprises a shell and a dismounting hole positioned at the lower end of the shell; the method is characterized in that: the switch includes a pair of button assemblies located on a rear side of the power tool interface, the button assemblies including buttons disposed on both sides of a top of the housing and latches connected to the buttons, the latches protruding outwardly beyond both sides of the housing, the latches having an extended state and a retracted state relative to the housing, in the extended state, the switch being locked to the power tool via the latches; in the retracted state, the latch is retracted into the housing such that the converter is unlocked from the power tool.

The further improvement scheme is as follows: the button assembly includes a latch connected between the button and the latch, and the button being of unitary construction.

The further improvement scheme is as follows: the button assembly comprises a spring connected with the button and a retainer fixed in the shell, one end of the spring is connected with the button, and the other end of the spring is connected with the retainer.

The further improvement scheme is as follows: the buckle piece is provided with a base plate for connecting the latch and the button and a spring column positioned below the base plate, the spring is sleeved on the spring column, and a gap is reserved between the spring and the base plate.

The further improvement scheme is as follows: the clamping piece is provided with a sliding groove which is inwards sunken from the bottom surface of the base plate, the retainer is provided with a sliding rail for accommodating the spring, and the sliding rail is accommodated in the sliding groove.

The further improvement scheme is as follows: the clamping and buckling piece is provided with a guide pillar protruding upwards from the top surface of the substrate, the shell comprises an open slot formed in the inner wall, and the guide pillar is accommodated in the open slot and moves in the open slot.

The utility model can also adopt the following technical scheme for solving the problems in the prior art: a power tool assembly comprising: the converter is as above any one the converter, electric tool, the converter that connects to electric tool and connect in the battery package of converter, the converter includes: the electric tool interface is arranged on the top of the shell, and the battery pack interface is arranged on the bottom of the shell.

The further improvement scheme is as follows: the electric tool comprises a base and a connecting groove, wherein the base is jointed with the top of the converter, the connecting groove penetrates through the bottom surface of the base, bayonets are arranged on two side walls of the connecting groove, and the latch is clamped in the bayonets.

The further improvement scheme is as follows: the battery pack comprises a battery pack shell and a lock button arranged on the battery pack shell, the lock button comprises a pressing part arranged on the side face of the battery pack shell and a lock tongue connected to the pressing part, the lock tongue protrudes out of the top of the battery pack shell, the battery pack is locked on the converter through the lock tongue, and the lock tongue is clamped in the dismounting hole.

The further improvement scheme is as follows: and pressing the pressing part to drive the lock tongue to retract into the battery pack shell so as to unlock the battery pack from the converter.

Compared with the prior art, the utility model has the following beneficial effects: the converter shell is provided with the electric tool interface and the battery pack interface, so that a plurality of batteries are assembled by one battery pack, the application range of the battery pack is expanded, and the resource waste is avoided; the double-side button is adopted, so that horizontal force application is realized to control the latch action, stable contact is kept in the locking process, and the operation hand feeling is good.

[ description of the drawings ]

The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings:

FIG. 1 is a schematic view of the assembly of the converter of the present invention;

FIG. 2 is a schematic diagram of a split of the converter shown in FIG. 1;

FIG. 3 is a schematic view of the base of the power tool of FIG. 2;

FIG. 4 is a schematic diagram of the converter of FIG. 2;

FIG. 5 is a schematic diagram of the internal structure of the converter shown in FIG. 2;

FIG. 6 is an exploded schematic view of the interior of the transducer of FIG. 5;

FIG. 7 is a schematic structural view of a button assembly in the transducer of FIG. 6;

FIG. 8 is a schematic view of the converter and battery pack assembly of FIG. 1;

fig. 9 is a schematic structural view of the battery pack shown in fig. 2.

The meaning of the reference symbols in the figures:

100. converter 200, electric tool 300, battery pack 10, housing 11, slot 12, rail 121, open slot 122, spring post 13, dismounting hole 20, electric tool interface 30, battery pack interface 40, PCB assembly 41, circuit board 42, slot terminal 50, button assembly 51, button 52, latch 521, inclined surface 522, support surface 53, latch 531, base plate 532, spring post 533, sliding slot 534, guide post 54, spring 55, retainer 551, sliding rail 60, base 61, connecting slot 62, side wall 63, bayonet 64, wire holder 641, connecting terminal 631, clamping surface 71, battery pack housing 72, lock button 721, pressing part 722, lock tongue 55

[ detailed description ] embodiments

The present invention will be described in further detail with reference to the accompanying drawings and embodiments.

Referring to fig. 1 to 4, an embodiment of the utility model relates to a converter 100 and a power tool assembly, which are suitable for connecting a battery pack 300 to a power tool 200 via the converter 100, wherein the converter 100 includes: a housing 10, a power tool interface 20 disposed at the top of the housing, and a battery pack interface 30 disposed at the bottom of the housing, wherein the power tool 200 is connected to the top of the converter 100 via the power tool interface 20, and the battery pack 300 is connected to the bottom of the converter 100 via the battery pack interface 30; the converter 100 can convert the voltage of the battery pack 300 to the working voltage required by the electric tool 200, so that the problem that the electric tool and the battery pack in the market are incompatible is solved, and the application range of the battery pack is effectively expanded.

Referring to fig. 2 to 6, the converter 100 includes a PCB assembly 40 fixedly connected to the housing 10, the PCB assembly 40 includes a circuit board 41 and a socket terminal 42 installed inside the housing 10, and the socket terminal 42 is electrically connected to the circuit board 41. The front end of the shell 10 is provided with a slot 11 for mounting the slot terminal 42; the socket terminals 42 are located below the plane of the socket 11 to prevent deformation of the terminals due to dropping of the converter 100.

In this embodiment, the power tool 200 includes a base 60 coupled to the top of the converter 100, a connecting groove 61 penetrating the bottom surface of the base 60, and a wire holder 64 inserted into the power tool interface 20, wherein two side walls 62 of the connecting groove 61 are provided with bayonets 63, and the latch 52 is held in the bayonets 63. The latch 52 is approximately a right trapezoid, the latch 52 has an inclined surface 521 for sliding into the bayonet 63 and a support surface 522 connected to the inclined surface 521, the bayonet 63 has a latching surface 631 abutting against the support surface 522, when the converter 100 is locked to the power tool 200, the support surface 522 and the latching surface 631 maintain stable surface contact, and the locking is reliable and is not easy to slip.

In the present embodiment, the wire holder 64 includes a connection terminal 641 exposed outside the housing 10, and the connection terminal 641 is electrically connected to the slot terminal 42 to transmit information.

Referring to fig. 2 to 6, the converter 100 includes a pair of button assemblies 50 located at the rear side of the power tool interface 20, the button assemblies 50 include buttons 51 disposed at the two sides of the top of the housing 10 and latches 52 connected to the buttons 51, the latches 52 protrude outward from the two sides of the housing 10, the latches 52 have an extended state and a retracted state relative to the housing 10, and in the extended state, the converter is locked to the power tool via the latches; in the retracted state, the latch is retracted into the housing such that the converter is unlocked from the power tool. The pair of buttons 51 arranged on the two sides and the shell 10 form a horizontal moving pair, and when the button 5 is pressed, the operation is stable and reliable, the operation is simple and convenient, and the hand feeling is good.

As shown in fig. 7, specifically, the button assembly 50 includes a latch 53 connected between the button 51 and the latch 52, the latch 51, the latch 52 and the button 51 are integrally configured, and the button 51, the latch 52 and the latch 53 move synchronously.

The button assembly 50 includes a spring 54 connected to the button 51 and a holder 55 fixed in the housing 10, wherein one end of the spring 54 is connected to the button 51, and the other end is connected to the holder 55. The spring 54 is in a compressed state when the button assembly 50 is mounted inside the housing 10, preventing the button assembly 50 from loosening relative to the housing 10.

Referring to fig. 7 again, the latch 53 is provided with a base plate 531 for connecting the latch 52 and the button 51, and a spring post 532 located below the base plate 531, the spring 54 is sleeved on the spring post 532, a gap is formed between the spring 54 and the base plate 531, the spring 54 does not rub against the base plate 531 when compressed/rebounded, abrasion between the spring 54 and the base plate 531 is reduced, and the service life of the button assembly 50 is prolonged.

Referring to fig. 7, the locking member 53 has a sliding groove 533 recessed inward from the bottom surface of the base 531, the holder 55 has a sliding rail 551 for accommodating the spring 54, and the sliding rail 551 is accommodated in the sliding groove 533. The slide rail 551 plays a guiding role, so that the button assembly 50 can move horizontally and is stably controlled.

Referring to fig. 6 and 7, the locking member 53 is provided with a guide post 534 protruding upward from the top surface of the base plate 531, the housing 10 includes a rail 12 disposed on an inner wall, the rail 12 includes an open slot 121 disposed at two ends of the rail 12 and a spring post 122 fixedly connected to the holder 55, the guide post 534 is accommodated in the open slot 121 and moves in the open slot 121, and the open slot 121 restricts the guide post 534.

Referring to fig. 8 and 9, the battery pack 300 includes a battery pack case 71 and a lock button 72 installed on the battery pack case 71, the lock button 72 includes a pressing portion 721 disposed on a side surface of the battery pack case 71 and a latch 722 connected to the pressing portion 721, the latch 722 protrudes from a top of the battery pack case 71, and the battery pack 300 is locked on the converter 100 via the latch 722.

In this embodiment, the pressing portion is pressed to drive the locking tongue to retract into the battery pack shell, so as to unlock the battery pack from the converter. The electric tool changer 100 is provided with a mounting hole 13 located at the lower end of the housing 10, and the latch 722 is engaged with the mounting hole 13.

According to the utility model, the electric tool interface 20 and the battery pack interface 30 are arranged on the shell 10 of the electric tool converter 100, when different types of battery packs are needed, the converter with different battery pack interfaces can be replaced, and an electric tool is not needed; the double-side button 51 is adopted, the action of the latch 52 is controlled by horizontal force application, the operation hand feeling is good, the latch 52 and the bayonet 63 are always kept in stable contact in the locking process, and the locking is reliable.

The present invention is not limited to the above-described embodiments. It will be readily appreciated by those skilled in the art that numerous other alternatives to the converter and power tool assembly of the present invention can be devised without departing from the spirit and scope of the utility model. The protection scope of the present invention is subject to the content of the claims.

Claims

1. A converter comprises a shell and a dismounting hole positioned at the lower end of the shell; the method is characterized in that: the switch includes a pair of button assemblies located on a rear side of the power tool interface, the button assemblies including buttons disposed on both sides of a top of the housing and latches connected to the buttons, the latches protruding outwardly beyond both sides of the housing, the latches having an extended state and a retracted state relative to the housing, in the extended state, the switch being locked to the power tool via the latches; in the retracted state, the latch is retracted into the housing such that the converter is unlocked from the power tool.

2. The converter of claim 1, wherein: the button assembly includes a latch connected between the button and the latch, and the button being of unitary construction.

3. The converter of claim 2, wherein: the button assembly comprises a spring connected with the button and a retainer fixed in the shell, one end of the spring is connected with the button, and the other end of the spring is connected with the retainer.

4. A converter according to claim 3, wherein: the buckle piece is provided with a base plate for connecting the latch and the button and a spring column positioned below the base plate, the spring is sleeved on the spring column, and a gap is reserved between the spring and the base plate.

5. The converter of claim 4, wherein: the clamping piece is provided with a sliding groove which is inwards sunken from the bottom surface of the base plate, the retainer is provided with a sliding rail for accommodating the spring, and the sliding rail is accommodated in the sliding groove.

6. The converter of claim 4, wherein: the clamping and buckling piece is provided with a guide pillar protruding upwards from the top surface of the substrate, the shell comprises an open slot formed in the inner wall, and the guide pillar is accommodated in the open slot and moves in the open slot.

7. A power tool assembly comprising: electric tool, connect in electric tool's converter and connect in the battery package of converter, its characterized in that: the converter according to any one of claims 1 to 6, comprising: the electric tool interface is arranged on the top of the shell, and the battery pack interface is arranged on the bottom of the shell.

8. The power tool assembly of claim 7, wherein: the electric tool comprises a base and a connecting groove, wherein the base is jointed with the top of the converter, the connecting groove penetrates through the bottom surface of the base, bayonets are arranged on two side walls of the connecting groove, and the latch is clamped in the bayonets.

9. The power tool assembly of claim 7, wherein: the battery pack comprises a battery pack shell and a lock button arranged on the battery pack shell, the lock button comprises a pressing part arranged on the side face of the battery pack shell and a lock tongue connected to the pressing part, the lock tongue protrudes out of the top of the battery pack shell, the battery pack is locked on the converter through the lock tongue, and the lock tongue is clamped in the dismounting hole.

10. The power tool assembly of claim 9, wherein: and pressing the pressing part to drive the lock tongue to retract into the battery pack shell so as to unlock the battery pack from the converter.