TWI749816B - Male and female terminals and adapters for electric tools - Google Patents

Abstract

The present invention discloses a male-female integrated terminal and an adapter for an electric tool. The terminal includes: a clamping assembly, including a first connecting portion and two clamping pieces, the two clamping pieces are arranged at intervals, and each clip The closing piece is in the shape of a sheet and has a connecting end and a clamping end, the connecting end is connected to one of the contact ends of the first connecting portion, and the clamping end extends in the opposite direction of the first connecting portion; The connecting assembly is integrally connected through a second connecting portion and electrically connected to the lower end of one of the clamping pieces. The plug-in assembly includes a piece that can be electrically connected to a battery pack of an electric tool; the terminal of the present invention At the same time, it has the structure of the male connector and the female connector, which can be directly installed in the adapter, without the need to run the cable to connect, which can save the production cost.

Description

Male and female terminals and adapters for electric tools

A terminal and an adapter for electric tools, in particular to a terminal with a male and a female terminal and an adapter with a terminal with a male and female terminal.

Existing electric tools are powered by batteries, and battery packs are generally used as a power source to supply power to the electric tools, without the use of wired plugs, which can increase the mobility and convenience of use. In order to increase the convenience of matching power tools and battery packs, a battery adapter is used to connect the battery pack and power tools. Each battery adapter can be equipped with different specifications and different numbers of pins. Power tools and battery packs that do not match the specifications can be connected with an appropriate battery adapter. A general battery adapter will be equipped with a printed circuit board, on the printed circuit board there is a female connector that can be electrically connected to the power tool, and a male connector that can be electrically connected to the battery pack. The male connector and the female connector are They are separately arranged on the printed circuit board, and the male connector and the female connector are electrically connected through the wires arranged on the printed circuit board.

However, because the male connector and the female connector are installed separately, and the male connector and the female connector must be connected by wiring, the male connector and the female connector must be installed on the printed circuit board, which causes the following disadvantages: 1. In the battery adapter A printed circuit board must be installed in the battery adapter, occupying the space inside the battery adapter, making the space inside the battery adapter unable to be used properly, and increasing the volume of the battery adapter; 2. The male connector and the female connector must be routed through Wire connection, the manufacturing process will increase the material and time cost of pulling wire and setting.

In order to reduce the volume of the existing battery adapter, as well as to reduce the material and time costs of the male connector and the female connector in the cable and the installation, the present invention provides a male and female terminal for electric tools, which is integrated and connected. Electrically connected clamping components and plug-in components reduce the cost of setting up a printed circuit board and running wires.

In order to achieve the above object, the present invention provides a male-female terminal for an electric tool, comprising: a clamping assembly for clamping and electrically connecting a male connector of an electric tool, including a first connecting portion and Two clamping pieces, the first connecting portion includes two contact ends, the two clamping pieces are arranged at intervals, each clamping piece is in a sheet shape, and has a connecting end and a clamping end, the two clamping pieces The two connecting ends are respectively connected to the two contact ends of the first connecting portion, the clamping end of each clamping piece extends in the opposite direction of the first connecting portion, and the distance between the two clamping ends is gradually reduced; and The plug-in component is used for plugging into a female connector of a battery pack of the electric tool and electrically connecting. , The plug-in component includes a piece, a fixed end and an electrode end, the fixed end is located at one end of the piece, fixed to the second connecting portion, and located in the middle of the projection plane of the two clamping pieces; The electrode end is located at the other end of the sheet body and far away from the fixed end.

The present invention also provides an adapter for an electric tool, which includes: more than one male and female terminal, each male and female terminal includes: a clamping assembly for clamping a male connector of an electric tool The electrical connection includes a first connection portion and two clamping pieces. The first connection portion includes two contact ends. The two clamping pieces are arranged at intervals. Each clamping piece is in the shape of a sheet and has a connection end and A clamping end, the two connecting ends of the two clamping pieces are respectively connected to the two contact ends of the first connecting portion, the clamping ends of each clamping piece extend in the opposite direction of the first connecting portion, and the two The distance between the clamping ends is tapered; A plug-in component for plugging into a female connector of a battery pack of the electric tool and electrically connecting it. The plug-in component includes a piece of body, a fixed end and an electrode end. The fixed end is located at one end of the piece of body, is fixed to the second connecting part, and is located in the middle of the projection plane of the two clamping pieces ; The electrode end is located at the other end of the sheet and away from the fixed end; a substrate, which has an upper surface and a lower surface opposite, the substrate covering the second one of the more than one male and female terminal In the connecting portion, the clamping component of each male-female integrated terminal is provided on the upper surface of the substrate, and the plug-in component of the male-female integrated terminal is provided on the lower surface of the substrate; and a cover body combined with The substrate covers the one or more male and female terminals, the cover includes one or more electrical connection holes, and the clamping components of the one or more male and female terminals are respectively located at the one or more electrical connections Below the hole.

With the above structure, the present invention has the following advantages:

1. The clamping assembly and the plug-in assembly are directly connected to the second connecting portion, and there is no need to arrange a printed circuit board, thereby saving the space inside the battery adapter.

2. The clamping component and the plug-in component are directly connected to the second connecting part, and there is no need to connect through a running wire, which reduces the material and time cost of pulling and setting.

1: Male and female terminal

10: Clamping components

11: The first connection part

13: Clamping piece

131: connection end

133: Clamping end

20: Plug-in components

21: sheet body

23: fixed end

25: Electrode end

251: Bevel

30: The second connecting part

40: Adapter

43: substrate

45: Lid

451: Electrical connection hole

50: Electrical connection piece

Figure 1: A perspective view of the male-female integrated terminal of the present invention.

Figure 2: Side view of the male and female terminal of the present invention.

Figure 3: The top view of the male-female terminal of the present invention.

Figure 4: A perspective view of the adapter of the present invention.

Figure 5: An exploded perspective view of the adapter of the present invention.

Figure 6: Side view of the male and female terminal of the present invention installed in the adapter.

1 to 3, the present invention provides a male-female integrated terminal 1 for electric tools (hereinafter referred to as male-female integrated terminal 1), including: a clamping assembly 10, a plug-in assembly 20, a first Two connecting parts 30 and an electrical connecting piece 50.

The clamping assembly 10 can be a female connector, and a male connector of an electric tool can be inserted, clamped and electrically connected. The clamping assembly 10 includes a first connecting portion 11 and two clamping pieces 13; wherein, the first connecting portion 11 includes two contact ends; the two clamping pieces 13 are arranged at intervals, and each clamping piece 13 is in a sheet shape , And is an elastic metal sheet, each clamping piece 13 has a connecting end 131 and a clamping end 133, the two connecting ends 131 of the two clamping pieces 13 are respectively connected to the two contact ends of the first connecting portion 11 The clamping end 133 extends in the opposite direction of the first connecting portion 11, and the two clamping ends 133 of the two clamping pieces 13 are bent in the opposite direction to form an arc, so that the male connector of the electric tool The insertion is smoother, and the distance between the two clamping ends 133 of the two clamping pieces 13 is gradually reduced; preferably, the two clamping ends 133 are in contact with each other.

The electrical connection piece 50 is in the shape of a sheet and is disposed on the first connection portion 11 and extends in the opposite direction of the two clamping pieces 13. The electrical connection piece 50 is used to connect a ground wire or a power cord of the electric tool, wherein the ground wire and the power cord can be fixed on the electrical connection piece 50 by welding.

The plug-in assembly 20 can be a male connector, and can be contacted and electrically connected to a female connector of a battery pack of the electric tool. As shown in Figures 1 and 2, the plug-in assembly 20 is located below the clamping assembly 10; the plug-in assembly 20 is in the shape of a sheet, and is integrally connected through a second connecting portion 30 and electrically connected to one of the In the clamping piece 13, the second connecting portion 30 is S-shaped when viewed from the side. The plug-in assembly 20 includes a piece 21, a fixed end 23, and an electrode end 25. The piece 21 is in the shape of a long plate. The fixed end 23 is located at one end of the piece 21 and fixed to the second connecting portion. 30. Preferably, the fixed end 23 can be located in the middle of the projection plane of the two clamping sheets 13; the electrode end 25 is located at the other end of the sheet body 21 and far away from the fixed end 23, and the electrode end 25 is used for To electrically connect a battery pack of the power tool, please refer to 3, the electrode end 25 may form a chamfered surface 251, the chamfered surface 251 makes the thickness of the electrode end 25 smaller than the sheet body 21, and the chamfered surface 251 is that the thickness of the sheet body 21 is tapered toward the electrode end 25 Structure.

4 to 6, in application, the male-female integrated terminal 1 can be set on the adapter 40 of the electric tool, so that the clamping assembly 10 of the male-female integrated terminal 1 can clamp the The pin of an electric tool, and the plug assembly 20 of the male-female integrated terminal 1 can be plugged into the battery pack of the electric tool, so as to achieve the effect of quick plugging and unplugging. Please refer to FIG. 4, the adapter 40 includes: more than one male and female terminal 1, a substrate 43 and a cover 45. The base plate 43 has an upper surface and a lower surface opposite to each other. The clamping assembly 10 of each male and female terminal 1 is provided on the upper surface of the base plate 43, and the plug assembly 20 of each male and female terminal 1 is provided On the lower surface of the substrate 43; wherein the substrate 43 is made by injection molding. Specifically, the substrate 43 is covered on the second part of the male-female terminal 1 during injection molding. The connecting portion 30 fixes the male and female terminal 1 on the base plate 43, so that each male and female terminal 1 is coupled to the base plate 43, and the clamping assembly 10 and the plug assembly of each male and female terminal 1 20 is separated by the substrate 43; the cover 45 is combined with the substrate 43 and covers the one or more male and female terminals 1, the cover 45 includes more than one electrical connection hole 451, the more than one The clamping assembly 10 of the male-female terminal 1 is respectively located below the one or more electrical connection holes 451. When the pins of the power tool extend into the more than one electrical connection holes 451, the power tool’s The pins can be respectively inserted into the clamping assembly 10 of the one male-female integrated terminal 1 to complete the electrical connection.

The above are only the preferred embodiments of the present invention and do not limit the present invention in any form. Although the present invention has been disclosed as above in preferred embodiments, it is not intended to limit the present invention. Anyone familiar with the professional technology Personnel, without departing from the scope of the technical solution of the present invention, when the technical content disclosed above can be used to make slight changes or modification into equivalent embodiments with equivalent changes, but any content that does not deviate from the technical solution of the present invention, according to the present invention Any simple modifications, equivalent changes, and modifications made to the above embodiments are still within the scope of the technical solutions of the present invention.

1: Male and female terminal

10: Clamping components

11: The first connection part

13: Clamping piece

131: connection end

133: Clamping end

20: Plug-in components

21: sheet body

23: fixed end

25: Electrode end

251: Bevel

30: The second connecting part

50: Electrical connection piece

Claims (10)

A male-female terminal for an electric tool, comprising: a clamping assembly for clamping a male connector of an electric tool and electrically connecting it, comprising a first connecting portion and two clamping pieces. A connecting portion includes two contact ends, the two clamping pieces are arranged at intervals, each clamping piece is in a sheet shape, and has a connecting end and a clamping end, and the two connecting ends of the two clamping pieces are respectively connected to the first Two contact ends of a connecting portion, the clamping end of each clamping piece extends in the opposite direction of the first connecting portion, and the distance between the two clamping ends is tapered; and a plug-in component for plugging A female connector connected to a battery pack of the electric tool and electrically connected. It is in the shape of a sheet and is integrally connected through a second connecting portion and electrically connected to one of the clamping pieces. The plug-in assembly includes a piece Body, a fixed end and an electrode end, the fixed end is located at one end of the sheet body and fixed to the second connecting part, and is located in the middle of the projection plane of the two clamping sheets; the electrode end is located on the sheet body The other end, and away from the fixed end. As described in claim 1 for the male-female integrated terminal for an electric tool, the two clamping ends of the two clamping pieces are bent in opposite directions. According to claim 2 of the combined male and female terminal for an electric tool, the electrode end may form a chamfered surface, and the chamfered surface is a structure in which the thickness of the sheet body is tapered toward the electrode end. As described in claim 3, for the male and female integrated terminal for an electric tool, the two clamping ends are in contact with each other. According to any one of claims 1 to 4, the combined male and female terminal for an electric tool, the combined male and female terminal further includes an electrical connection piece, the electrical connection piece is in the shape of a sheet, and is provided At the first connection portion, the electrical connection piece and the two clamping pieces extend in opposite directions. An adapter for electric tools, including: more than one male-female terminal, each male-female terminal includes: A clamping assembly for clamping and electrically connecting a male connector of an electric tool, which includes a first connecting portion and two clamping pieces, the first connecting portion includes two contact ends, and the two clamping pieces Are arranged at intervals, each clamping piece is in a sheet shape, and has a connecting end and a clamping end. The two connecting ends of the two clamping pieces are respectively connected to the two contact ends of the first connecting portion. The clamping end extends in the opposite direction of the first connecting portion, and the distance between the two clamping ends is gradually reduced; a plug-in assembly for plugging in a female connector of a battery pack of the electric tool for parallel connection It is a sheet-shaped connection and is integrally connected and electrically connected to one of the clamping pieces through a second connecting portion. The plug-in assembly includes a piece, a fixed end and an electrode end, and the fixed end is located at the One end of the sheet body is fixed to the second connecting portion and is located in the middle of the projection plane of the two clamping sheets; the electrode end is located at the other end of the sheet body and far away from the fixed end; a substrate having Opposing an upper surface and a lower surface, the substrate covers the second connecting portion of the more than one male-female integrated terminal, and the clamping assembly of each male-female integrated terminal is provided on the upper surface of the substrate, The plug-in assembly of the male-female integrated terminal is provided on the lower surface of the substrate; and a cover is combined with the substrate and covers the one or more male-female integrated terminals, the cover includes more than one electrical Sexual connection holes, and the clamping components of the one or more male-female integrated terminals are respectively located below the one or more electrical connection holes. In the adapter for electric tools according to claim 6, the two clamping ends of the two clamping pieces of the clamping assembly of each male and female integrated terminal are bent in opposite directions. The adapter for electric tools according to claim 7, wherein the electrode end of the plug-in assembly of each male and female terminal can form a chamfered surface, and the chamfered surface is the thickness of the chip gradually moving toward the electrode end Shrinked structure. The adapter for an electric tool according to claim 8, wherein the two clamping ends of each male and female terminal are in contact with each other. The adapter for an electric tool according to any one of claims 6 to 9, wherein the male-female combined terminal further comprises an electrical connection piece, the electrical connection piece is in the shape of a sheet and is arranged on In the first connection portion, the electrical connection piece and the two clamping pieces extend in opposite directions.

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