CN219873256U - Switch with stable conduction - Google Patents
Switch with stable conduction Download PDFInfo
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- CN219873256U CN219873256U CN202320861650.XU CN202320861650U CN219873256U CN 219873256 U CN219873256 U CN 219873256U CN 202320861650 U CN202320861650 U CN 202320861650U CN 219873256 U CN219873256 U CN 219873256U
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- 238000009434 installation Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
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- Push-Button Switches (AREA)
Abstract
The utility model discloses a switch with stable conduction, which comprises a button, a base, a switching piece, a terminal, an upper cover and a spring, wherein the switching piece is fixed in a mounting groove in the base; the lower part of the button is provided with a pressing foot which is provided with a pressing part, and the middle part of the switching piece is provided with a convex arc-shaped elastic sheet; the head end of each arc-shaped elastic sheet is provided with a contact part. The utility model designs the button, the switching piece and the terminal into a multi-point contact structure, can realize stable contact conduction, and realizes the conduction between the switching piece and the terminal by utilizing the movement track of the protruding pressing part of the button, so that the conduction effect is more stable and reliable; meanwhile, the contact conduction is carried out between the switching piece and the terminal, so that the service life is longer; and accessories such as the switching piece, the hook needle, the spring and the like are assembled by inserting the base, so that the assembly is convenient, the automatic production can be realized, and the production efficiency is higher.
Description
Technical Field
The present disclosure relates to electronic devices, and particularly to a key switch for electronic devices.
Background
A key switch is a common switch form, and is applied to many electronic products, and a common sound self-locking switch is adopted. However, such switches currently on the market have some drawbacks, such as using a friction conduction structure, poor conduction stability, and short lifetime; the assembly is complex, manual assembly is needed, the efficiency is low, and particularly, the switch which adopts the hook needle to realize sound self-locking is realized.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the switch which has the advantages of simple structure, convenient assembly, higher assembly efficiency, longer service life and higher conduction stability.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a switch that switches on steadily, includes button, base, terminal, upper cover and spring, and terminal and spring are fixed in the base, and the button is installed in the base and is pressed on the spring through the upper cover activity, and the upper cover is fixed its characterized in that with the base assembly: the switching piece is fixed in an installation groove in the base; the lower part of the button is provided with a pressing foot, the pressing foot is provided with a plurality of pressing parts protruding outwards in an arc shape, the middle part of the switching piece is provided with a plurality of arc-shaped elastic pieces protruding towards the pressing foot, and each arc-shaped elastic piece corresponds to one terminal; the head end of each arc-shaped elastic sheet is provided with a contact part extending towards the terminal.
Further, each arc-shaped elastic sheet is aligned with each other and the tail ends are connected into a whole, at least one pressing part and other pressing parts are staggered in the horizontal position, namely, each pressing part is not in the same horizontal position, but has high and low positions, the staggered positions are good, and a clearance at the staggered positions is formed with a clearance groove.
Further, three terminals and three arc-shaped elastic pieces are arranged on one side in the base, three pressing parts are arranged at positions corresponding to the three arc-shaped elastic pieces on the pressing foot, the position of one front pressing part is higher than that of the other two pressing parts, and a position avoiding groove is formed below the front pressing part and above the rear pressing part.
Further, three terminals and three arc-shaped elastic sheets are symmetrically arranged in the base close to two sides, press pins are respectively arranged on two sides of the lower part of the button, and the two press pins are of a bilateral symmetry structure; the position of the pressing foot corresponding to the three arc-shaped elastic sheets is provided with three pressing parts, wherein the position of one front pressing part is higher than the positions of the other two pressing parts, and the lower part of the front pressing part and the upper part of the rear pressing part are both provided with a avoidance groove. Therefore, after the button is pressed, the arc-shaped elastic sheet is always pressed down, so that the stability of conduction is obviously improved.
The device further comprises a hook needle, wherein the hook needle is of a J-shaped structure, the length of the upper part of the hook needle is smaller than that of the lower part of the hook needle, the lower part of the hook needle is embedded in the base, the upper part of the hook needle forms a hook needle head, and the hook needle head is close to one side face of the button; the button is provided with a guide groove and a hanging part at one side corresponding to the needle head, and the needle head slides into the hanging part along the guide groove when the button is pressed down so as to realize self-locking of the button. The button is pressed again and loosened, the hooking needle is withdrawn from the hanging part and returns along the original path of the guide groove, so that the button is reset.
Further, a needle hooking groove and a spring column are arranged at the inner bottom of the base, the needle hooking groove penetrates through the spring column, the lower portion of the needle hooking is embedded in the needle hooking groove, and the spring is sleeved on the spring column to press the lower portion of the needle hooking. The structure is convenient for assembly, can realize automatic production, and improves production efficiency.
Further, be provided with the buckle in the side of base, be provided with the knot foot that matches with the buckle in the both sides of lower cover, make lower cover and base lid tight through buckle and knot climbers, this structure makes assembly operation simpler.
The utility model designs the button, the switching piece and the terminal into a multi-point contact structure, can realize stable contact conduction, and realizes the conduction between the switching piece and the terminal by utilizing the movement track of the protruding pressing part of the button, so that the conduction effect is more stable and reliable; meanwhile, the contact conduction is carried out between the switching piece and the terminal, so that the service life is longer; and accessories such as the switching piece, the hook needle, the spring and the like are assembled by inserting the base, so that the assembly is convenient, the automatic production can be realized, and the production efficiency is higher.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present utility model;
FIG. 2 is an exploded view of the first embodiment of the present utility model at another angle;
fig. 3 is an exploded view of the first embodiment of the present utility model;
fig. 4 is an internal structural view of a first embodiment of the present utility model;
FIG. 5 is a block diagram showing the cooperation of a button and a switch plate according to the first embodiment of the present utility model;
fig. 6 is a perspective view of a second embodiment of the present utility model.
In the figure, 1 is a button, 11 is a pressing foot, 12 is a pressing part, 13 is a clearance groove, 14 is a guide groove, 15 is a hanging part, 2 is a base, 21 is a mounting groove, 22 is a needle hooking groove, 23 is a spring column, 24 is a buckle, 3 is a switching piece, 31 is a contact part, 32 is an arc-shaped elastic piece, 4 is a terminal, 5 is an upper cover, 51 is a buckling foot, 6 is a needle hooking, 61 is a needle hooking head, and 7 is a spring.
Detailed Description
In this embodiment, referring to fig. 1-5, the switch with stable conduction includes a button 1, a base 2, a terminal 4, an upper cover 5 and a spring 7, wherein the terminal 4 and the spring 7 are fixed in the base 2, the button 1 is movably installed in the base 2 through the upper cover 5 and pressed on the spring 7 so as to rebound, and the upper cover 5 is assembled and fixed with the base 2 to limit the button 1; the switch plate 3 is fixed in the mounting groove 21 in the base 2 in an inserting mode; the lower part of the button 1 is provided with a pressing foot 11, the pressing foot 11 is provided with a pressing part 12 protruding outwards in an arc shape, the middle part of the switching piece 3 is provided with an arc-shaped elastic piece 32 protruding towards the pressing foot 11, and each arc-shaped elastic piece 32 corresponds to one terminal 4; the head end of each arc spring piece 32 has a contact portion 31 protruding toward the terminal. The arc spring plates 32 are aligned with each other and the tail ends are connected into a whole, at least one pressing part 12 and other pressing parts 12 are staggered in the horizontal position, namely, each pressing part 12 is not in the same horizontal position, but has high and low positions, the staggered positions are different, and the gap at the staggered positions is provided with a avoidance groove 13.
When the switch is in a free state (the button 1 is not pressed), the pressing part 12 in the middle of the button 1 and on one side thereof presses the arc-shaped elastic sheet 32 of the switching sheet 3, so that the terminal 4 in the middle is in contact conduction with the contact part 31 of the switching sheet 3 as a common pin and the terminal 4 on one side; when the push button 1 is pushed, the pressing portion 12 on the middle and one side thereof is separated from the arcuate spring piece 32, and is not pressed, so that the terminal 4 on the middle and one side thereof is not conducted with the contact portion 31. Meanwhile, the pressing part 12 (the lower part is the avoidance groove 13) on the other side of the button 1 is extruded with the arc-shaped elastic sheet 32 of the switching piece 3, so that the terminal 4 on the other side is in contact conduction with the contact part 31 of the switching piece 3.
Three terminals 4 and three arc-shaped elastic pieces 32 are arranged on one side in the base 2, and three pressing parts 12, namely three-leg switches, are arranged on the pressing legs 11 at positions corresponding to the three arc-shaped elastic pieces 32. One of the front pressing portions 12 is located higher than the other two pressing portions 12, and a clearance groove 13 is provided below the front pressing portion 12 and above the rear pressing portion 12.
Or, three terminals 4 and three arc spring plates 32 are symmetrically arranged in the base 1 near two sides, namely, a six-pin switch is formed, as shown in fig. 6. The two sides of the lower part of the button 1 are respectively provided with a pressing foot 11, and the two pressing feet 11 are of a bilateral symmetry structure. The contact principle of the button 1 and the slow-criming elastic sheet 31 is similar to the cam contact principle, pressing the highest point of the button 1 (namely the pressing part 12) can deform the highest point extrusion contact of the arc-shaped elastic sheet 32, so that the contact part 31 of the arc-shaped elastic sheet 32 is in contact with the terminal 4, and the switch is turned on; the button 1 is released, the pressing part 12 is separated from the arc-shaped elastic sheet 32, the arc-shaped elastic sheet 32 returns to the original state, the contact part 31 is separated from the terminal 4, and the switch is disconnected. So that after the button 1 is pressed, the arc spring piece 32 is always pressed down, and the stability of conduction is obviously improved.
The multifunctional button can also comprise a hooked needle 6, wherein the hooked needle 6 is of a J-shaped structure, the upper length of the hooked needle is smaller than the lower length of the hooked needle, the lower part of the hooked needle is embedded in the base 2, the upper part of the hooked needle forms a hooked needle head 61, and the hooked needle head 61 is close to one side face of the button 1; a guide groove 14 and a hanging part 15 are arranged on one side of the button 1 corresponding to the hooking needle 61, and when the button 1 is pressed, the hooking needle 61 slides into a groove of the hanging part 15 along the guide groove 14 so as to realize self-locking of the button 1. The button 1 is pressed again and released, and the hooking needle 61 is withdrawn from the groove of the hooking portion 15 and returned along the way of the guide groove 14, so that the button 1 is reset.
A needle hooking groove 22 and a spring column 23 are arranged at the inner bottom of the base 2, the needle hooking groove 22 penetrates through the spring column 23, the lower part of the needle hooking 6 is embedded in the needle hooking groove 22, and the spring 7 is sleeved on the spring column 23 to press the lower part of the needle hooking 6. The structure is convenient for assembly, can realize automatic production, and improves production efficiency.
The side of the base 2 is provided with the buckle 24, both sides of the lower cover 5 are provided with the buckling feet 51 matched with the buckle 24, the lower cover 5 and the base 2 are tightly covered by buckling the buckling feet 24 and the buckle 51, and the structure enables the assembly operation to be simpler.
The foregoing detailed description of the utility model has been presented for purposes of illustration and description, but is not intended to limit the scope of the utility model, i.e., the utility model is not limited to the details shown and described.
Claims (7)
1. The utility model provides a switch that switches on steadily, includes button, base, terminal, upper cover and spring, and terminal and spring are fixed in the base, and the button is installed in the base and is pressed on the spring through the upper cover activity, and the upper cover is fixed its characterized in that with the base assembly: the switching piece is fixed in an installation groove in the base; the lower part of the button is provided with a pressing foot, the pressing foot is provided with a plurality of pressing parts protruding outwards in an arc shape, the middle part of the switching piece is provided with a plurality of arc-shaped elastic pieces protruding towards the pressing foot, and each arc-shaped elastic piece corresponds to one terminal; the head end of each arc-shaped elastic sheet is provided with a contact part extending towards the terminal.
2. The conduction-stable switch of claim 1, wherein: the arc spring plates are aligned with each other and the tail ends are connected into a whole, at least one pressing part and other pressing parts are staggered in the horizontal position, and a clearance at the staggered part is formed with a clearance groove.
3. The conduction-stable switch of claim 2, wherein: three terminals and three arc-shaped elastic pieces are arranged on one side in the base, three pressing parts are arranged on the pressing foot corresponding to the three arc-shaped elastic pieces, the position of one front pressing part is higher than that of the other two pressing parts, and a clearance groove is formed below the front pressing part and above the rear pressing part.
4. The conduction-stable switch of claim 2, wherein: three terminals and three arc-shaped elastic sheets are symmetrically arranged in the base close to two sides, press pins are respectively arranged on two sides of the lower part of the button, and the two press pins are of a bilateral symmetry structure; the position of the pressing foot corresponding to the three arc-shaped elastic sheets is provided with three pressing parts, wherein the position of one front pressing part is higher than the positions of the other two pressing parts, and the lower part of the front pressing part and the upper part of the rear pressing part are both provided with a avoidance groove.
5. The conduction-stable switch of claim 1, wherein: the device also comprises a needle, the needle is of a J-shaped structure, the upper length of the needle is smaller than the lower length of the needle, the lower part of the needle is embedded in the base, the upper part of the needle forms a needle head, and the needle head is close to one side face of the button; the button is provided with a guide groove and a hanging part at one side corresponding to the needle head, and the needle head slides into the hanging part along the guide groove when the button is pressed down so as to realize self-locking of the button.
6. The conduction-stable switch of claim 5, wherein: the bottom is provided with a needle hooking groove and a spring column in the base, the needle hooking groove penetrates through the spring column, the lower part of the needle hooking is embedded in the needle hooking groove, and the spring sleeve presses the lower part of the needle hooking on the spring column.
7. The conduction-stable switch of claim 1, wherein: the side of the base is provided with a buckle, both sides of the lower cover are provided with buckling feet matched with the buckle, and the lower cover is tightly covered with the base through buckling with the buckling feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320861650.XU CN219873256U (en) | 2023-04-17 | 2023-04-17 | Switch with stable conduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320861650.XU CN219873256U (en) | 2023-04-17 | 2023-04-17 | Switch with stable conduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219873256U true CN219873256U (en) | 2023-10-20 |
Family
ID=88325304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320861650.XU Active CN219873256U (en) | 2023-04-17 | 2023-04-17 | Switch with stable conduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219873256U (en) |
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2023
- 2023-04-17 CN CN202320861650.XU patent/CN219873256U/en active Active
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| GR01 | Patent grant |