CN211182048U

CN211182048U - Light touch switch

Info

Publication number: CN211182048U
Application number: CN201922258877.1U
Authority: CN
Inventors: 陈杜仲
Original assignee: Dongguan Xingkun Electronic Technology Co ltd
Current assignee: Dongguan Xingkun Electronic Technology Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-04
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a dab switch, the on-line screen storage device comprises a base, the top of base is equipped with the apron, the mounting hole has been laid equally to the four corners of base and apron, and is together fixed through four group's mountings between base and the apron, the right-hand member of apron is fixed with the ground wire picture peg, it is equipped with live wire picture peg and zero line picture peg to be bilateral symmetry on the front end of base, the lower extreme that presses the compression leg runs through the apron and extends to the inner chamber of base, the circuit board is installed to the below that is equipped with shell fragment and shell fragment according to the compression leg. A dab switch, with the length of ground wire piece, live wire piece and zero line piece elongated on original dab switch, rely on welded mode to convert original contact switch to the grafting mode, when dabbing the switch and break down, be convenient for change it, do not need manual welding's mode, be favorable to mechanical automation's fixed, improve production efficiency, be equipped with waterproof cushion, can prevent that water from causing the damage to the switch in getting into the base.

Description

Light touch switch

Technical Field

The utility model relates to a dab the switchgear field, in particular to dab switch.

Background

A light-touch switch is an electronic switch, belonging to the class of electronic components, also called a key switch, and is firstly appeared in Japan (called as a sensitive switch) when the switch is used, the switch is pressed towards the switch operation direction under the condition of meeting the operation force, the switch is closed and switched on, when the pressure is removed, the switch is switched off, the internal structure of the light-touch switch is switched on and off by the stress change of a metal elastic sheet, and the light-touch switch consists of an embedded piece, a base, an elastic sheet, a button and a cover plate, wherein a layer of polyimide film is added on the elastic sheet.

The existing tact switch is generally connected with a product in a welding mode, and when the tact switch breaks down, the tact switch is not convenient to replace, so that the tact switch is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a tact switch, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dab switch, includes the base, the top of base is equipped with the apron, the mounting hole has been laid equally to the four corners of base and apron, and is fixed together through four group's mountings between base and the apron, the right-hand member of apron is fixed with the ground wire picture peg, it is equipped with live wire picture peg and zero line picture peg to be bilateral symmetry on the front end of base, the top of apron is equipped with presses the compression leg and presses the axle center of post and the axle center of apron to be located same straight line, the lower extreme that presses the compression leg runs through the apron and extends to the inner chamber of base, the upper end that is equipped with circuit board and circuit board in the below of pressing the below of post and shell fragment is equipped with the contact.

Preferably, press the post to include the cylinder, the upper end of cylinder runs through the upper end of apron and extends to the upper end fixed connection of the inner chamber of base and block, the lower extreme of block is fixed with the protruding lower extreme of radian and the upper end of shell fragment inconsistent.

Preferably, be equipped with on the apron and pass the hole and pass the size of hole and the diameter looks adaptation of cylinder, the inner chamber that passes the hole is fixed with waterproof cushion through gluing agent, waterproof cushion's inner wall is inconsistent with the outer wall of cylinder, and waterproof cushion is less than the jack-up elasticity size of shell fragment to the cylinder to the elastic force of cylinder.

Preferably, the four ends of the block body are in sliding contact with the inner cavity wall of the base, and the width of the block body is larger than the diameter of the through hole formed in the cover plate.

Preferably, four groups of arc parts are arranged at the front ends of the ground wire plugboard, the live wire plugboard and the zero line plugboard, and the four groups of arc parts are distributed at the front ends of the ground wire plugboard, the live wire plugboard and the zero line plugboard in four corners.

Preferably, the live wire plugboard and the zero line plugboard are electrically connected with the circuit board through wires.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a light touch switch, including the ground wire piece, the live wire piece is connected with the zero line piece, the length of live wire piece and zero line piece is elongated on original touch switch, the ground wire piece that will touch the switch with original contact switch dependence welded mode, live wire piece and zero line piece and respectively with the ground wire of product, live wire and zero line welding mode together convert the accessible ground wire picture peg, thereby live wire picture peg and zero line picture peg and the direct mode of pegging graft switch-on circuit of interface of product, when touching the switch and breaking down, be convenient for change it, do not need manual welding's mode, be favorable to mechanical automation's fixed, and the production efficiency is improved.

2. Be equipped with waterproof cushion, can seal through waterproof cushion and press the post and pass the gap between the hole, can prevent that water from getting into the base in the gap and causing the damage to the switch.

Drawings

Fig. 1 is an overall structure diagram of a tact switch of the present invention;

FIG. 2 is a partial cross-sectional view of a base of a tact switch according to the present invention;

FIG. 3 is a diagram of a board structure of a tact switch according to the present invention;

fig. 4 is a circuit diagram of a tact switch according to the present invention.

In the figure: 1. a base; 2. a cover plate; 3. pressing the column; 31. a cylinder; 32. a block body; 33. the radian is convex; 4. a ground wire plug board; 5. a zero line plug board; 6. a live wire plug board; 7. a fixing member; 8. a spring plate; 9. a contact; 10. mounting holes; 11. a waterproof elastic pad; 12. an arc portion; 13. a circuit board.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a tact switch comprises a base 1, a cover plate 2 is arranged above the base 1, mounting holes 10 are uniformly distributed at four corners of the base 1 and the cover plate 2, the base 1 and the cover plate 2 are fixed together through four fixing pieces 7, a ground wire plugboard 4 is fixed at the right end of the cover plate 2, a live wire plugboard 6 and a zero wire plugboard 5 are symmetrically arranged at the front end of the base 1 in a left-right mode, a pressing column 3 is arranged above the cover plate 2, the axis of the pressing column 3 and the axis of the cover plate 2 are located on the same straight line, the lower end of the pressing column 3 penetrates through the cover plate 2 and extends to an inner cavity of the base 1, a circuit board 13 is arranged below the pressing column 3 and below the elastic sheet 8, and a contact 9 is arranged at the upper end.

According to post 3 including cylinder 31, the upper end of cylinder 31 runs through the upper end of apron 2 and extends to the upper end fixed connection of base 1's inner chamber and block 32, and the lower extreme of block 32 is fixed with the protruding 33 of radian and the protruding 33's of radian lower extreme is inconsistent with the upper end of shell fragment 8, can make the protruding 33 extrusion shell fragment 8 of radian through pressing post 3 for shell fragment 8 and contact 9 contact, thereby make the circuit switched on.

Be equipped with on apron 2 and pass the hole and pass the size of hole and the diameter looks adaptation of cylinder 31, the inner chamber that passes the hole is fixed with waterproof cushion 11 through gluing the gluing agent, the inner wall of waterproof cushion 11 is inconsistent with the outer wall of cylinder 31, and waterproof cushion 11 is less than the jack-up elasticity size of shell fragment 8 to cylinder 31 to the elastic force of cylinder 31, can seal through waterproof cushion 11 and press post 3 and pass the gap between the hole, can prevent that water from getting into in the gap base 1 and causing the damage to the switch.

The four ends that block 32 is and the inner chamber wall sliding contact of base 1, and the width of block 32 is greater than the diameter that is equipped with on the apron 2 and passes the hole, and the cylinder 31 of being convenient for slides at the inner chamber of base 1 steadily.

Four groups of arc parts 12 are arranged at the front ends of the ground wire plugboard 4, the live wire plugboard 6 and the zero line plugboard 5, and the four groups of arc parts 12 are distributed at the front ends of the ground wire plugboard 4, the live wire plugboard 6 and the zero line plugboard 5 in four corners, so that the plugboards can be conveniently inserted into product jacks in a guiding manner.

The live wire plug board 6 and the zero line plug board 5 are electrically connected with the circuit board 13 through wires.

It should be noted that, the utility model relates to a touch the switch, press the compression leg 3 through pressing and can make the protruding 33 extrusion shell fragment 8 of radian, make shell fragment 8 and contact 9 contact, thereby make the circuit switched on, this touch the switch with the ground wire piece on original switch, live wire piece and zero line piece become ground wire picture peg 4 (mark as ③), live wire picture peg 6 (mark as ①) and zero line picture peg 5 (mark as ②), with the ground wire piece on original, the length of live wire piece and zero line piece is elongated, with the ground wire piece that original contact switch relies on the welded mode will touch the switch, live wire piece and zero line piece and respectively with the ground wire of product, live wire and zero line welding mode together convert accessible picture peg 4 to, live wire picture peg 6 and zero line picture peg 5 and the mode of the interface direct grafting switch-on circuit of product, when touching the switch breaks down, be convenient for it changes, do not need artifical welded mode, be favorable to mechanical automation's fixing, improve production efficiency, be equipped with waterproof elastic cushion 11, can seal up through pressing the gap in 3 and the base from the gap of preventing to the crack damage.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a dabs switch, includes base (1), its characterized in that: a cover plate (2) is arranged above the base (1), mounting holes (10) are distributed at four corners of the base (1) and the cover plate (2), the base (1) and the cover plate (2) are fixed together through four groups of fixing pieces (7), a ground wire plugboard (4) is fixed at the right end of the cover plate (2), a live wire plugboard (6) and a zero line plugboard (5) are arranged on the front end of the base (1) in a bilateral symmetry manner, a pressing column (3) is arranged above the cover plate (2), the axis of the pressing column (3) and the axis of the cover plate (2) are positioned on the same straight line, the lower end of the pressing column (3) penetrates through the cover plate (2) and extends to the inner cavity of the base (1), the lower part of the pressing column (3) is provided with an elastic sheet (8), a circuit board (13) is arranged below the elastic sheet (8), and the upper end of the circuit board (13) is provided with a contact (9).

2. The tact switch according to claim 1, wherein: the pressing column (3) comprises a cylinder (31), the upper end of the cylinder (31) penetrates through the upper end of the cover plate (2) and extends to the inner cavity of the base (1) and the upper end of the block body (32) to be fixedly connected, and the lower end of the block body (32) is fixed with a radian bulge (33) and the lower end of the radian bulge (33) is inconsistent with the upper end of the elastic sheet (8).

3. The tact switch according to claim 2, wherein: be equipped with on apron (2) and pass the hole and pass the diameter looks adaptation of the size of hole and cylinder (31), the inner chamber that passes the hole is fixed with waterproof cushion (11) through gluing the adhesive, the inner wall of waterproof cushion (11) is inconsistent with the outer wall of cylinder (31), and waterproof cushion (11) are less than shell fragment (8) to the jack-up elasticity size of cylinder (31) to the elastic force of cylinder (31).

4. The tact switch according to claim 2, wherein: the four ends of block (32) and the inner chamber wall sliding contact of base (1), and the width of block (32) is greater than the diameter that is equipped with on apron (2) and passes the hole.

5. The tact switch according to claim 1, wherein: four groups of arc parts (12) are arranged at the front ends of the ground wire inserting plate (4), the live wire inserting plate (6) and the zero line inserting plate (5), and the four groups of arc parts (12) are distributed at the front ends of the ground wire inserting plate (4), the live wire inserting plate (6) and the zero line inserting plate (5) in four corners.

6. The tact switch according to claim 1, wherein: and the live wire plugboard (6) and the zero line plugboard (5) are electrically connected with the circuit board (13) through leads.