CN209785803U - Long-life push switch - Google Patents
Long-life push switch Download PDFInfo
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- CN209785803U CN209785803U CN201920446957.7U CN201920446957U CN209785803U CN 209785803 U CN209785803 U CN 209785803U CN 201920446957 U CN201920446957 U CN 201920446957U CN 209785803 U CN209785803 U CN 209785803U
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- touch panel
- contact
- elastic sheet
- connection piece
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Abstract
The utility model relates to a long-life push switch, which comprises a base; the touch panel A and the touch panel B are arranged on the base and are not communicated with each other; the pressing elastic sheets are arranged above the touch panel A and the touch panel B; the elastic sheet covering film is arranged above the pressing elastic sheet; and the shell fragment covers the shift knob on the membrane, and the A touch panel includes two A point contacts at A connection piece and A connection piece middle part, and the B touch panel includes the B point contact at B connection piece and B connection piece middle part, and the B point contact stretches into between two A point contacts, and just the B point contact is located and presses under the shell fragment middle part, and two A point contacts are located and press the both sides below of shell fragment. Through the touch panel that sets up two special construction, improve press switch's uniformity, can want to support the pressure contact with two touch panels when guaranteeing to press the shell fragment to push down to avoid appearing the condition of conduction failure.
Description
Technical Field
The utility model relates to a press the switch technical field, concretely relates to press the switch in high life.
Background
The press switch is characterized in that the press elastic sheet is pressed downwards to enable the press elastic sheet to be abutted against two mutually-disconnected contact plates arranged in the base, so that the press switch is switched on, and after the press elastic sheet is loosened, the press elastic sheet returns to enable the press elastic sheet to be separated from the two contact plates, so that the press switch is switched off.
Two touch panels among the prior art are linear structure, and two touch panels are just to setting up, and the afterbody of two touch panels stretches out as welding pin from the casing, and this kind of structure presses the shell fragment and only realizes pressing the contact with one of them touch panel easily when the precision is not enough or press the slope, leads to the switch uniformity relatively poor, appears conducting failure's problem easily.
SUMMERY OF THE UTILITY MODEL
To the not enough in the background art, the utility model provides a push switch of high life.
The utility model adopts the technical proposal that: a long-life push switch includes a base; the touch panel A and the touch panel B are arranged on the base and are not communicated with each other; the pressing elastic sheets are arranged above the touch panel A and the touch panel B; the elastic sheet covering film is arranged above the pressing elastic sheet; and the shell fragment covers the shift knob on the membrane, the A touch panel includes two A point contacts at A connection piece and A connection piece middle part, the B touch panel includes the B point contact at B connection piece and B connection piece middle part, the B point contact stretches into between two A point contacts, and the B point contact is located and presses down under the shell fragment middle part, two A point contacts are located and press the both sides below of shell fragment, A touch panel and B touch panel are installed in the installation cavity of base, A connection piece both ends are stretched out from the installation cavity bottom and are regarded as A welding pin, B connection piece both ends are stretched out from the installation cavity bottom and are regarded as B welding pin.
Furthermore, a switch pad pasting covers the switch button.
Furthermore, an insulating bottom plate made of insulating materials is arranged on the lower end face of the base, and air holes are formed in the insulating bottom plate.
Further, have ascending bellied A contact on the A point contact, have ascending bellied B contact on the B point contact, A contact on A point contact and the A point contact is the rectangle structure, B contact on A point contact and the B point contact is the circular structure.
Furthermore, the pressing spring piece comprises a spring piece main body with the middle part arched upwards; the transition ring is arranged around the periphery of the elastic sheet main body; a horizontal ring disposed around the periphery of the transition ring; the middle part of the elastic sheet main body is provided with a pressing part which protrudes upwards or downwards, the outer ring of the elastic sheet main body is provided with vent holes at equal intervals, the vent holes are provided with stress relief grooves, and the elastic sheet main body, the transition ring, the horizontal ring and the connecting pins are of an integrally formed structure.
Furthermore, the stress relief groove is of a V-shaped structure
Furthermore, the connecting surface of the connecting pin connected with the horizontal ring is connected with the circular arc surface, and the tail part of the connecting pin is provided with a cutting part which is tilted upwards.
The utility model has the advantages that: the utility model discloses a set up two special construction's touch panel, improve press switch's uniformity, can want to press the contact with two touch panels when guaranteeing to press the shell fragment to avoid appearing conduction failure's the condition, in addition the utility model discloses a base is stretched out at the both ends of touch panel as the pin, can select wherein one end as welding pin, and the adaptability that improves the switch is application scope.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is an explosion diagram of the present invention.
Fig. 4 is a schematic connection diagram of the a-touch panel and the B-touch panel.
Fig. 5 is a schematic structural view of the pressing spring.
Fig. 6 is a schematic view of the connection of a conventional connecting pin and a horizontal ring.
Fig. 7 is a schematic cross-sectional view of a pressing spring.
fig. 8 is an enlarged view of fig. 7 at a.
In the figure: 1. a base; 2. a, a touch plate; 3. b, a touch panel; 4. pressing the elastic sheet; 5. the elastic sheet covers the membrane; 6. a switch button; 7. a, connecting a sheet; 8. a point A contact piece; 9. b, connecting a sheet; 10. a point B contact sheet; 11. welding pins; 12. b, welding pins; 13. an insulating base plate; 14. air holes are formed; 15. a contact A; 16. b, contact; 17. a spring plate main body; 18. a transition ring; 19. a horizontal ring; 20. a connecting pin; 21. a pressing part; 22. a vent hole; 23. a stress relief groove; 24. a connecting surface; 25. a shearing section; 26. b, the included angle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a push switch of long service life.
In the present embodiment, referring to fig. 1 to 8, the long-life push switch includes a base 1; the touch panel A2 and the touch panel B3 are arranged on the base 1 and are not communicated with each other; the pressing elastic sheet 4 is arranged above the touch panel A2 and the touch panel B3; the elastic sheet covering film 5 is arranged above the pressing elastic sheet 4; and a switch button 6 on the spring plate covering film 5, wherein the A contact plate 2 comprises an A connection plate 7 and two A point contact plates 8 at the middle part of the A connection plate 7, the B contact plate 3 comprises a B connection plate 9 and a B point contact plate 10 at the middle part of the B connection plate, the B point contact plate 10 extends into the space between the two A point contact plates 8, the B point contact plate 10 is positioned under the middle part of the pressing spring plate, the two A point contact plates 8 are positioned under the two sides of the pressing spring plate, the A contact plate and the B contact plate with the structure are arranged, when the switch is pressed, the middle part of the pressing spring plate can be pressed against the B point contact plate of the B contact plate, the side surface of the pressing spring plate can be pressed against the A point contact plate of the A contact plate, thereby realizing the switch conduction, because the B point contact plate extends into the space between the two A point contact plates, when the pressing is inclined, the pressing spring plate still can be contacted with the A point contact plate or the, therefore, the consistency of the press switch is ensured, and the press spring plate can be in abutting contact with the two touch plates when being pressed down, so that the condition of conduction failure is avoided;
The A touch plate 2 and the B touch plate 3 are installed in an installation cavity of the base 1, two ends of the A connecting sheet 7 extend out of the bottom of the installation cavity to serve as welding pins 11A, and two ends of the B connecting sheet 9 extend out of the bottom of the installation cavity to serve as welding pins 12B. The utility model discloses a base is all stretched out as the pin at the both ends of A touch panel and B touch panel, when connecting, can select wherein one end as welding pin, and the adaptability that improves the switch is application scope.
In the utility model, the switch button 6 is covered with a switch pad pasting; the lower end face of the base is provided with an insulating bottom plate 13 made of an insulating material, and the insulating bottom plate 13 is provided with air holes 14. The air holes 14 are used for accelerating air circulation in the base and reducing deformation burden of the pressing elastic sheet.
Have ascending bellied A contact 15 on the A point contact, have ascending bellied B contact 16 on the B point contact, A contact on A point contact and the A point contact is the rectangle structure, B contact on A point contact and the B point contact is the circular structure. The coverage area of the contact A and the contact B is increased, and the stability of the switch is ensured.
Further, the pressing elastic sheet 4 comprises an elastic sheet main body 17 with the middle part arched upwards; a transition ring 18 disposed around the outer periphery of the dome main body 17; a horizontal ring 19 disposed around the outer periphery of the transition ring 18; the middle part of the elastic sheet main body is provided with a pressing part 21 which protrudes upwards or downwards, the outer ring of the elastic sheet main body is provided with vent holes 22 at equal intervals, the vent holes 22 are provided with stress relief grooves 23, and the elastic sheet main body, the transition ring, the horizontal ring and the connecting pins are of an integrally formed structure.
The vent hole is used for quickly entering and discharging gas, so that the flow of air in the pressing elastic sheet is accelerated, the deformation load of the pressing elastic sheet is reduced, the action of the pressing elastic sheet is not delayed, and the service life and the sensitivity of the pressing elastic sheet are improved;
according to practical application, the simple arrangement of the vent hole is beneficial to improving the sensitivity and prolonging the service life, but the elastic sheet main body is pressed repeatedly, force is easily concentrated near the vent hole, so that cracks and even breakage often occur near the vent hole after long-time use, and in order to solve the problem of stress concentration, the vent hole is provided with the stress relief groove for relieving concentrated stress formed near the vent hole due to deformation of the elastic sheet main body, so that the cracks and breakage which occur near the through hole after long-time use can be avoided.
The stress relief groove 23 is of a V-shaped structure
The connecting surface 24 of the connecting pin 20 connected with the horizontal ring is connected with an arc surface, and the tail part of the connecting pin is provided with a cutting part 25 which is tilted upwards. Present connection foot and level ring or shell fragment main part between even connect the face straight line, lead to connecting b contained angle 26 between face and the level ring or the shell fragment main part and be close 90 (as shown in fig. 6), this kind of structure is pressing the shell fragment reciprocal back of pressing, connects easy residual stress concentration and fatigue failure between foot and the level ring, leads to connecting the foot fracture, reduces life, the utility model discloses the connection face that will connect foot and level ring adopts the arc surface to be connected, helps eliminating stress, improves life.
The utility model discloses a set up two special construction's touch panel, improve press switch's uniformity, can want to press the contact with two touch panels when guaranteeing to press the shell fragment to avoid appearing conduction failure's the condition, in addition the utility model discloses a base is stretched out at the both ends of touch panel as the pin, can select wherein one end as welding pin, and the adaptability that improves the switch is application scope.
The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.
Claims (7)
1. A push switch having a long life, characterized in that: comprises a base; the touch panel A and the touch panel B are arranged on the base and are not communicated with each other; the pressing elastic sheets are arranged above the touch panel A and the touch panel B; the elastic sheet covering film is arranged above the pressing elastic sheet; and the shell fragment covers the shift knob on the membrane, the A touch panel includes two A point contacts at A connection piece and A connection piece middle part, the B touch panel includes the B point contact at B connection piece and B connection piece middle part, the B point contact stretches into between two A point contacts, and the B point contact is located and presses down under the shell fragment middle part, two A point contacts are located and press the both sides below of shell fragment, A touch panel and B touch panel are installed in the installation cavity of base, A connection piece both ends are stretched out from the installation cavity bottom and are regarded as A welding pin, B connection piece both ends are stretched out from the installation cavity bottom and are regarded as B welding pin.
2. The long-life push switch according to claim 1, characterized in that: the switch button is covered with a switch pad pasting.
3. The long-life push switch according to claim 1, characterized in that: the base lower terminal surface on be equipped with the insulating bottom plate that a layer of insulating material made, be equipped with the bleeder vent on the insulating bottom plate.
4. The long-life push switch according to claim 1, characterized in that: the A point has ascending bellied A contact on the contact, B has ascending bellied B contact on the contact, A contact on A point contact and the A point contact is the rectangle structure, B contact on A point contact and the B point contact is the circular structure.
5. A long-life push switch according to any one of claims 1 to 4, characterized in that: the pressing elastic sheet comprises an elastic sheet main body with the middle part arched upwards; the transition ring is arranged around the periphery of the elastic sheet main body; a horizontal ring disposed around the periphery of the transition ring; the middle part of the elastic sheet main body is provided with a pressing part which protrudes upwards or downwards, the outer ring of the elastic sheet main body is provided with vent holes at equal intervals, the vent holes are provided with stress relief grooves, and the elastic sheet main body, the transition ring, the horizontal ring and the connecting pins are of an integrally formed structure.
6. The long-life push switch according to claim 5, characterized in that: the stress relief groove is of a V-shaped structure.
7. The long-life push switch according to claim 5, characterized in that: the connecting surface of the connecting pin connected with the horizontal ring is connected with the circular arc surface, and the tail part of the connecting pin is provided with a shearing part which is tilted upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920446957.7U CN209785803U (en) | 2019-04-03 | 2019-04-03 | Long-life push switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920446957.7U CN209785803U (en) | 2019-04-03 | 2019-04-03 | Long-life push switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209785803U true CN209785803U (en) | 2019-12-13 |
Family
ID=68801117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920446957.7U Active CN209785803U (en) | 2019-04-03 | 2019-04-03 | Long-life push switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209785803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113808882A (en) * | 2021-09-16 | 2021-12-17 | 赛特勒控制器(宁波)有限公司 | Kick type temperature controller |
-
2019
- 2019-04-03 CN CN201920446957.7U patent/CN209785803U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113808882A (en) * | 2021-09-16 | 2021-12-17 | 赛特勒控制器(宁波)有限公司 | Kick type temperature controller |
| CN113808882B (en) * | 2021-09-16 | 2024-06-11 | 赛特勒控制器(宁波)有限公司 | Kick type temperature controller |
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