CN210182249U

CN210182249U - Spring switch

Info

Publication number: CN210182249U
Application number: CN201921007910.7U
Authority: CN
Inventors: Yongfeng Zhang; 张永峰; Xiongliang Luo; 罗雄亮
Original assignee: SHENZHEN DEHAIWEI INDUSTRIAL Co Ltd
Current assignee: SHENZHEN DEHAIWEI INDUSTRIAL Co Ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2020-03-24
Anticipated expiration: 2029-07-01

Abstract

The utility model provides a spring switch, which comprises an insulating seat body, a switch moving piece and a switch static piece, wherein the insulating seat body is provided with a bearing part and a hollow part, and the bearing part is provided with a first groove and a second groove in parallel; the bending part is positioned above the switch still piece cantilever, a gap is formed between the bending part and the switch still piece cantilever, and when the electronic card is contacted with the protrusion, the bending part is contacted with the switch still piece cantilever. The utility model has the advantages that: the utility model discloses a shell fragment switch simple structure, the quality is more stable effective, and is with low costs, can satisfy user's demand.

Description

Spring switch

Technical Field

The utility model relates to the field of electronic technology, especially, relate to a shell fragment switch.

Background

Along with the development of science and technology, present shell fragment switch is diversified, but present shell fragment switch structure is too complicated, the quality is stable inadequately, and the cost is higher, can't satisfy user's demand.

SUMMERY OF THE UTILITY MODEL

The utility model provides a spring switch, which comprises an insulating seat body, a switch moving piece and a switch static piece, wherein the insulating seat body is provided with a bearing part and a hollow part, and the bearing part is provided with a first groove and a second groove in parallel; the switch stator comprises a switch stator fixed end, a switch stator welding foot and a switch stator cantilever, wherein the switch stator welding foot is arranged on one side of the switch stator fixed end, and the switch stator cantilever is arranged on the other side of the switch stator fixed end; the switch moving piece comprises a switch moving piece fixing end, a switch moving piece welding foot and a switch moving piece cantilever, the switch moving piece welding foot is arranged on one side of the switch moving piece fixing end, the switch moving piece cantilever is arranged on the other side of the switch moving piece fixing end, the switch moving piece cantilever comprises a connecting piece, a bulge and a bent part, one end of the connecting piece is connected with the switch moving piece fixing end, the other end of the connecting piece is provided with the bulge, and the bent part is arranged at the tail end of the bulge; the switch moving piece fixing end is installed in the first groove, the switch static piece fixing end is installed in the second groove, the switch static piece welding foot and the switch moving piece welding foot are located outside the insulating base body, and the switch moving piece cantilever and the switch static piece cantilever are suspended in the hollow-out portion; the bending part is positioned above the switch still piece cantilever, a gap is formed between the bending part and the switch still piece cantilever, and when the electronic card is contacted with the protrusion, the bending part is contacted with the switch still piece cantilever.

As a further improvement, the insulating pedestal includes insulating pedestal front end and insulating pedestal rear end, insulating pedestal front end width is greater than insulating pedestal rear end width.

As a further improvement of the utility model, the front end of the insulating seat body is provided with a slope.

As a further improvement of the utility model, the kink is equipped with the kink arch, switch still piece cantilever is equipped with the boss, when the electronic card contacts during the arch, the protruding contact of kink the boss.

As a further improvement of the utility model, the bottom of the insulating seat body is provided with a positioning column.

As a further improvement, the utility model discloses a this shell fragment switch still includes the circuit board, the circuit board is equipped with the locating hole, the reference column inserts in the locating hole, the switch still piece leg with the switch rotor piece leg weld in on the circuit board.

The utility model has the advantages that: the utility model discloses a shell fragment switch simple structure, the quality is more stable effective, and is with low costs, can satisfy user's demand.

Drawings

Fig. 1 is a schematic front view of the dome switch of the present invention;

fig. 2 is a bottom schematic view of the dome switch of the present invention;

fig. 3 is a schematic structural view of the insulating base of the present invention;

FIG. 4 is a schematic structural view of the switch moving plate of the present invention;

fig. 5 is a schematic structural view of the switch stator of the present invention;

fig. 6 is a schematic diagram of the circuit board structure of the present invention;

fig. 7 is a schematic view of the structure of the dome switch with the circuit board mounted.

Detailed Description

As shown in fig. 1-7, the utility model discloses a dome switch, which comprises an insulating base 10, a switch moving plate 20 and a switch static plate 30, wherein the insulating base 10 is provided with a bearing part and a hollow part 11, and the bearing part is provided with a first groove 12 and a second groove 13 in parallel; the switch stator 30 comprises a switch stator fixed end 31, a switch stator leg 32 and a switch stator cantilever 33, wherein the switch stator leg 32 is arranged on one side of the switch stator fixed end 31, and the switch stator cantilever 33 is arranged on the other side of the switch stator fixed end 31; the switch moving plate 20 comprises a switch moving plate fixed end 21, a switch moving plate welding foot 22 and a switch moving plate cantilever, wherein the switch moving plate welding foot 22 is arranged on one side of the switch moving plate fixed end 21, the switch moving plate cantilever is arranged on the other side of the switch moving plate fixed end 21, the switch moving plate cantilever comprises a connecting plate 23, a bulge 24 and a bent part 25, one end of the connecting plate 23 is connected with the switch moving plate fixed end 21, the bulge 24 is arranged on the other end of the connecting plate 23, and the bent part 25 is arranged at the tail end of the bulge 24; the switch moving plate fixing end 21 is installed in the first groove 12, the switch static plate fixing end 31 is installed in the second groove 13, the switch static plate soldering lug 32 and the switch moving plate soldering lug 22 are located outside the insulating base body 10, and the switch moving plate cantilever and the switch static plate cantilever 33 are suspended in the hollow part 11; the bending portion 25 is located above the switch still piece cantilever 33, and a gap is formed between the bending portion 25 and the switch still piece cantilever 33, and when the electronic card contacts the protrusion 24, the bending portion 25 contacts the switch still piece cantilever 33.

The insulation seat 10 comprises an insulation seat front end 14 and an insulation seat rear end 15, wherein the width of the insulation seat front end 14 is larger than that of the insulation seat rear end 15, so that a structure with a wide front part and a narrow rear part is formed, the overall size of the dome switch is smaller, and the circuit board 40 is more convenient to arrange an integrated circuit.

The utility model discloses a shell fragment switch accounts for the area of PCB circuit board little, and processing is made simply, and the stable quality is with low costs, is the leading technique of unique at present.

The front end 14 of the insulating housing is chamfered to form a ramp 16 to facilitate the smooth insertion of the electronic card.

The bending part 25 is provided with a bending part protrusion 26, the switch still piece cantilever 33 is provided with a boss 34, and when the electronic card contacts the protrusion 24, the bending part protrusion 26 contacts the boss 34.

And a positioning column 17 is arranged at the bottom of the insulating base 10.

The elastic piece switch further comprises a circuit board 40, the circuit board 40 is provided with a positioning hole 41, the positioning column 17 is inserted into the positioning hole 41, and the switch static piece welding foot 32 and the switch moving piece welding foot 22 are welded on the circuit board 40.

When the electronic card is used, the electronic card contacts the protrusion 24, so that the bending portion 25 contacts the switch static sheet cantilever 33, the switch static sheet welding foot 32 and the switch moving sheet welding foot 22 are welded with the circuit board 40, and the electronic card is electrically conducted with the circuit board 40.

The utility model discloses a shell fragment switch simple structure, the quality is more stable effective, and this shell fragment switch overall dimension is littleer, more makes things convenient for circuit board integrated circuit to arrange, and is with low costs, can satisfy user's demand.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A shell fragment switch which characterized in that: the switch comprises an insulating base body, a switch moving piece and a switch static piece, wherein the insulating base body is provided with a bearing part and a hollow part, and the bearing part is provided with a first groove and a second groove in parallel; the switch stator comprises a switch stator fixed end, a switch stator welding foot and a switch stator cantilever, wherein the switch stator welding foot is arranged on one side of the switch stator fixed end, and the switch stator cantilever is arranged on the other side of the switch stator fixed end; the switch moving piece comprises a switch moving piece fixing end, a switch moving piece welding foot and a switch moving piece cantilever, the switch moving piece welding foot is arranged on one side of the switch moving piece fixing end, the switch moving piece cantilever is arranged on the other side of the switch moving piece fixing end, the switch moving piece cantilever comprises a connecting piece, a bulge and a bent part, one end of the connecting piece is connected with the switch moving piece fixing end, the other end of the connecting piece is provided with the bulge, and the bent part is arranged at the tail end of the bulge; the switch moving piece fixing end is installed in the first groove, the switch static piece fixing end is installed in the second groove, the switch static piece welding foot and the switch moving piece welding foot are located outside the insulating base body, and the switch moving piece cantilever and the switch static piece cantilever are suspended in the hollow-out portion; the bending part is positioned above the switch still piece cantilever, a gap is formed between the bending part and the switch still piece cantilever, and when the electronic card is contacted with the protrusion, the bending part is contacted with the switch still piece cantilever.

2. A dome switch according to claim 1, characterized in that: the insulating base comprises an insulating base front end and an insulating base rear end, and the width of the insulating base front end is larger than the width of the insulating base rear end.

3. A dome switch according to claim 2, characterized in that: the front end of the insulating base body is provided with a slope.

4. A dome switch according to claim 1, characterized in that: the kink is equipped with the kink arch, switch still piece cantilever is equipped with the boss, and when the electronic card contacted the arch, the kink arch contact the boss.

5. A dome switch according to any of claims 1 to 4, characterized in that: and a positioning column is arranged at the bottom of the insulating base body.

6. A dome switch according to claim 5, characterized in that: the spring plate switch further comprises a circuit board, the circuit board is provided with a positioning hole, the positioning column is inserted into the positioning hole, and the switch static piece welding foot and the switch moving piece welding foot are welded on the circuit board.