CN212277064U - Light touch switch - Google Patents
Light touch switch Download PDFInfo
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- CN212277064U CN212277064U CN202022238332.7U CN202022238332U CN212277064U CN 212277064 U CN212277064 U CN 212277064U CN 202022238332 U CN202022238332 U CN 202022238332U CN 212277064 U CN212277064 U CN 212277064U
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Abstract
The utility model discloses a touch switch. The light touch switch comprises a pressing device, an elastic sheet and a terminal, wherein the terminal comprises a middle contact, a first end contact and a second end contact; the middle contact comprises a concave part and a plurality of convex parts, and the convex parts are arranged on the concave part at intervals; the shell fragment is the arch, and the one end and the first end contact of shell fragment are connected, and the second end contact of shell fragment are connected, and the middle part of shell fragment is located the middle part contact top of terminal, and press device sets up the top at the middle part of shell fragment. Adopt the utility model discloses a dab the switch, through the area of contact that reduces the middle part contact that dabs the switch and shell fragment, guarantee that resistance can normal stable switch-on to the dustproof effect of dabbing the switch has been improved.
Description
Technical Field
The utility model relates to an electronic switch technical field especially relates to a dab switch.
Background
The light touch switch is also called a key switch, when the switch is used, the switch is closed and switched on by applying pressure to the switch operation direction under the condition of meeting the operation force, when the pressure is relieved, the switch is switched off, and the internal structure is switched on and off by the stress change of the metal elastic sheet.
The existing touch switch is easy to have the phenomenon of non-conduction of resistance when foreign matters exist, so that the touch switch fails. Therefore, how to improve the dustproof effect of the tact switch is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dab switch through the area of contact that reduces the contact that dabs the switch and shell fragment, guarantees that resistance can normal stable switch-on to the dustproof effect of dabbing the switch has been improved.
In order to achieve the above object, the utility model provides a following scheme:
a tact switch comprising:
the pressing device, the spring plate and the terminal;
the terminal specifically includes:
a middle contact, a first end contact and a second end contact;
the middle contact comprises a concave part and a plurality of convex parts, and the convex parts are arranged on the concave part at intervals; the elastic sheet is arched; one end of the elastic sheet is connected with the first end contact, the second end of the elastic sheet is connected with the second end contact, the middle of the elastic sheet is located above the middle contact of the terminal, and the pressing device is arranged above the middle of the elastic sheet.
Optionally, the terminal further includes:
a first connection portion and a second connection portion;
the first end contact is disposed on a first side of the first connection portion and the second end contact is disposed on a second side of the first connection portion;
the recessed portion of the middle contact is disposed on the raised section of the second connection portion, and the raised section of the second connection portion is disposed between the first side of the first connection portion and the second side of the first connection portion.
Optionally, the first connection portion specifically includes:
a first vertical section, a second vertical section and a first horizontal section;
one end of the first vertical section is connected with the first end of the first horizontal section, and one end of the second vertical section is connected with the second end of the first horizontal section;
the first end contact is disposed on the first vertical section and the second end contact is disposed on the second vertical section.
Optionally, the second connection portion specifically includes:
a convex section and a second horizontal section;
the protruding section is arranged between the first vertical section and the second vertical section, one end of the protruding section is connected with the middle of the second horizontal section, and the concave part of the middle contact is arranged on the protruding section.
Optionally, the terminal further includes:
a first pin, a second pin, a third pin and a fourth pin;
one end of the first pin is connected with the first end of the first horizontal section, one end of the second pin is connected with the second end of the first horizontal section, one end of the third pin is connected with the first end of the second horizontal section, and one end of the fourth pin is connected with the second end of the second horizontal section.
Optionally, the tact switch further includes:
a housing;
each side wall of the shell is provided with a pin through hole;
the pressing part of the pressing device is arranged outside the shell, and the contact part and the fixing part of the pressing device are arranged inside the shell;
the elastic sheet is arranged inside the shell.
Optionally, the housing specifically includes:
a cover plate and a base;
the cover plate is arranged on the base, and the pin through holes are arranged on the side wall of the base;
the fixing part of the pressing device is arranged on the inner wall of the top of the cover plate;
an insulating base body is arranged in the base; the insulating base body is filled in a gap between the first connecting portion and the second connecting portion.
Optionally, the number of the convex parts is three.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a light touch switch, which comprises a pressing device, a spring plate and a terminal, wherein the terminal comprises a middle contact, a first end contact and a second end contact; the middle contact comprises a concave part and a plurality of convex parts, and the convex parts are arranged on the concave part at intervals; the shell fragment is the arch, and the one end and the first end contact of shell fragment are connected, and the second end contact of shell fragment are connected, and the middle part of shell fragment is located the middle part contact top of terminal, and press device sets up the top at the middle part of shell fragment. The utility model discloses a dab the switch, through the area of contact that reduces the middle part contact that dabs the switch and shell fragment, guarantee that resistance can normal stable switch-on to the dustproof effect of dabbing the switch has been improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a sectional view of a tact switch according to an embodiment of the present invention;
fig. 2 is a top view of a terminal in an embodiment of the present invention;
fig. 3 is a circuit diagram in an embodiment of the present invention.
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 work belong to the protection scope of the present invention.
The utility model aims at providing a dab switch through the area of contact that reduces the contact that dabs the switch and shell fragment, guarantees that resistance can normal stable switch-on to the dustproof effect of dabbing the switch has been improved.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Examples
Fig. 1 is a sectional view of a structure of a tact switch in an embodiment of the present invention, and fig. 2 is a top view of a terminal in an embodiment of the present invention, as shown in fig. 1-2, a tact switch includes: pressing device 5, shell fragment 3, terminal and casing.
Wherein the content of the first and second substances,
the terminal specifically includes: a middle contact, a first end contact 1-2 and a second end contact 1-3. The middle contact comprises a concave part 1-1-2 and a plurality of convex parts 1-1-1, and the convex parts are arranged on the concave part at intervals; the elastic sheet is arched, namely, the middle of the elastic sheet is higher and the two sides of the elastic sheet are lower; one end of the elastic sheet is connected with the first end contact, the second end of the elastic sheet is connected with the second end contact, the middle of the elastic sheet is located above the middle contact of the terminal, and the pressing device is arranged above the middle of the elastic sheet. The number of the convex parts is three.
The terminal, still include: a first connection portion and a second connection portion. The first end contact is arranged on a first side of the first connecting part, and the second end contact is arranged on a second side of the first connecting part; the recessed portion of the middle contact is disposed on the raised section of the second connection portion, and the raised section of the second connection portion is disposed between the first side of the first connection portion and the second side of the first connection portion.
First connecting portion specifically includes: a first vertical section 1-4, a second vertical section 1-5, and a first horizontal section 1-6. One end of the first vertical section is connected with the first end of the first horizontal section, and one end of the second vertical section is connected with the second end of the first horizontal section; the first end contact is disposed on the first vertical section and the second end contact is disposed on the second vertical section.
The second connecting part specifically includes: convex sections 1-7 and second horizontal sections 1-8. The protruding section sets up between first vertical section and the vertical section of second, and the one end of protruding section is connected with the middle part of second horizontal segment, and the depressed part setting of middle part contact is on protruding section.
The terminal, still include: first leads 1-9, second leads 1-10, a third lead (not shown), and a fourth lead (not shown). One end of the first pin is connected with the first end of the first horizontal section, one end of the second pin is connected with the second end of the first horizontal section, one end of the third pin is connected with the first end of the second horizontal section, and one end of the fourth pin is connected with the second end of the second horizontal section.
Each side wall of the shell is provided with a pin through hole; the pressing part of the pressing device is arranged outside the shell, and the contact part and the fixing part of the pressing device are arranged inside the shell; the shell fragment sets up inside the casing.
The casing specifically includes: a cover plate 4 and a base 2. The cover plate is arranged on the base, and the pin through holes are formed in the side wall of the base; the fixing part of the pressing device is arranged on the inner wall of the top of the cover plate; an insulating base body is arranged in the base; the insulating matrix is filled in the gap between the first connecting part and the second connecting part.
Fig. 3 is a circuit diagram in an embodiment of the present invention, as shown in fig. 3, four end points 1.1, 1.2, 1.3, and 1.4 can be regarded as a first pin, a second pin, a third pin, and a fourth pin, two end points of the switch S can be regarded as a first end contact and a second end contact, and when an external acting force is applied to the pressing portion of the pressing device, the contact portion of the pressing device contacts with the middle contact, which is equivalent to the switch S being turned on.
The utility model discloses a dabbing switch, through the contact site contact of three bellying and press device, rather than the contact site contact of whole middle part contact and press device, can reduce the area of contact of the middle part contact of dabbing switch and shell fragment, guarantee that resistance can normal stable switch-on to the dustproof effect of dabbing switch has been improved.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present description should not be construed as a limitation of the present invention.
Claims (8)
1. A tact switch, comprising:
the pressing device, the spring plate and the terminal;
the terminal specifically includes:
a middle contact, a first end contact and a second end contact;
the middle contact comprises a concave part and a plurality of convex parts, and the convex parts are arranged on the concave part at intervals; the elastic sheet is arched; one end of the elastic sheet is connected with the first end contact, the second end of the elastic sheet is connected with the second end contact, the middle of the elastic sheet is located above the middle contact of the terminal, and the pressing device is arranged above the middle of the elastic sheet.
2. The tact switch of claim 1, wherein the terminal further comprises:
a first connection portion and a second connection portion;
the first end contact is disposed on a first side of the first connection portion and the second end contact is disposed on a second side of the first connection portion;
the recessed portion of the middle contact is disposed on the raised section of the second connection portion, and the raised section of the second connection portion is disposed between the first side of the first connection portion and the second side of the first connection portion.
3. The tact switch according to claim 2, wherein the first connecting portion specifically comprises:
a first vertical section, a second vertical section and a first horizontal section;
one end of the first vertical section is connected with the first end of the first horizontal section, and one end of the second vertical section is connected with the second end of the first horizontal section;
the first end contact is disposed on the first vertical section and the second end contact is disposed on the second vertical section.
4. The tact switch according to claim 3, wherein the second connecting portion specifically comprises:
a convex section and a second horizontal section;
the protruding section is arranged between the first vertical section and the second vertical section, one end of the protruding section is connected with the middle of the second horizontal section, and the concave part of the middle contact is arranged on the protruding section.
5. The tact switch according to claim 4, wherein the terminal further comprises:
a first pin, a second pin, a third pin and a fourth pin;
one end of the first pin is connected with the first end of the first horizontal section, one end of the second pin is connected with the second end of the first horizontal section, one end of the third pin is connected with the first end of the second horizontal section, and one end of the fourth pin is connected with the second end of the second horizontal section.
6. The tact switch according to claim 5, further comprising:
a housing;
each side wall of the shell is provided with a pin through hole;
the pressing part of the pressing device is arranged outside the shell, and the contact part and the fixing part of the pressing device are arranged inside the shell;
the elastic sheet is arranged inside the shell.
7. The tact switch according to claim 6, wherein the housing specifically comprises:
a cover plate and a base;
the cover plate is arranged on the base, and the pin through holes are arranged on the side wall of the base;
the fixing part of the pressing device is arranged on the inner wall of the top of the cover plate;
an insulating base body is arranged in the base; the insulating base body is filled in a gap between the first connecting portion and the second connecting portion.
8. The tact switch according to claim 1, wherein the number of the convex portions is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022238332.7U CN212277064U (en) | 2020-10-10 | 2020-10-10 | Light touch switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022238332.7U CN212277064U (en) | 2020-10-10 | 2020-10-10 | Light touch switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212277064U true CN212277064U (en) | 2021-01-01 |
Family
ID=73871111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022238332.7U Active CN212277064U (en) | 2020-10-10 | 2020-10-10 | Light touch switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212277064U (en) |
-
2020
- 2020-10-10 CN CN202022238332.7U patent/CN212277064U/en active Active
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| GR01 | Patent grant |