CN204348569U - A kind of novel keyboard switch - Google Patents
A kind of novel keyboard switch Download PDFInfo
- Publication number
- CN204348569U CN204348569U CN201420695841.4U CN201420695841U CN204348569U CN 204348569 U CN204348569 U CN 204348569U CN 201420695841 U CN201420695841 U CN 201420695841U CN 204348569 U CN204348569 U CN 204348569U
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- pressing piece
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Abstract
The utility model discloses a kind of novel keyboard switch, comprise upper cover, base, fixed terminal, movable terminal and pressing piece, described base is provided with a guide pillar, pressing piece is connected to and is socketed with on the guide pillar of back-moving spring, upper cover is exposed for pressing in upper end, upper cover and base fasten and make middle part form a cavity, and fixed terminal and movable terminal are arranged in cavity, and fixed terminal all passes base with one end of movable terminal and is connected with external circuit; Described movable terminal is the metal contact piece be placed in parallel on base, realizes switching function by contacting up and down with fixed terminal.The utility model is by horizontal movable terminal on base, and coupling is arranged on the fixed terminal of base side, it is made to pass through to contact up and down to realize on-off action, the thickness of novel keyboard switch can be reduced, be more suitable for being applied in need frivolous keyboard Designing equipment on, and its structure is simple, cost is lower, improves enterprise's productivity effect.
Description
Technical field
The utility model relates to a kind of electronic switch, particularly a kind of novel keyboard switch.
Background technology
A lot of action needs of existing equipment use key switch as input medium, and key switch quality determines the experience of input equipment, need to ensure good feel and useful life.
The movable contact spring adopting sheet metal to make in existing key switch mostly is has flexible structure by bending formation, this movable contact spring realizes dynamic touching primarily of the kink formation elasticity that one is located at bottom, but, because keyboard or other mechanical switch input equipments are more and more paid attention to lightening now, if arrange bending by top or bottom to form elasticity, then because need to pursue good feel, again for fear of the strength problem of sheet metal, reserved certain height is needed to realize bending, product is not easy to do more lightening, and this movable contact spring structure is comparatively complicated, production cost is also higher.
Utility model content
In view of this, the problem that the utility model needs solve is: provide a kind of good hand touch, the life-span is good, and the novel keyboard switch that structure is simple, manufacturing cost is lower.
In order to solve the problem; the utility model is by the following technical solutions: a kind of novel keyboard switch; comprise upper cover, base, fixed terminal, movable terminal and pressing piece; described base is provided with a guide pillar; pressing piece is connected to and is socketed with on the guide pillar of back-moving spring; upper cover is exposed for pressing in upper end; upper cover and base fasten and make middle part form a cavity; fixed terminal and movable terminal are arranged in cavity; fixed terminal one end passes base and is connected with external circuit, and fixed terminal upper end is parallel to base; Described movable terminal is a dynamic tactile shell fragment, comprise that one connects for fixing stiff end and fixed terminal tip side opposing upper and lower and the elastic bending part that is connected between stiff end and tip side, described stiff end vertically passes base for connecting outside line, tip side is positioned at directly over fixed terminal, is promoted movable terminal action by moving up and down of pressing piece and then is controlled the tip side of movable terminal and the contact of fixed terminal and disconnection.
Described pressing piece extends a projection to movable terminal direction, is moved realize contacting with fixed terminal or disconnecting when pressing piece moves up and down by protruding promotion tip side.
Movable terminal also comprises the protuberance matched with projection, and described protruding parts is on moving contact end, and protuberance is pressed, and whether part is protruding lifts moving up and down and then disconnecting with fixed contact end or contact of the moving contact end realizing movable terminal.
Described stiff end is provided with through hole, is covered with reference column on described, and the through hole that described reference column is riveted on stiff end realizes movable terminal to be fixed on upper cover reference column.
Described fixed terminal is square laminated structure, is arranged on the bottom of tip side and then relative up and down with tip side.
Described tip side is provided with moving contact, and described fixed terminal is provided with fixed contact, and described moving contact and fixed contact are column structure, and Relative vertical is arranged.
Described elastic bending part is recessed bending structure.
Compared with prior art, the beneficial effects of the utility model are:
(1) in described switch by horizontal movable terminal on base and fixed terminal, make the two realize on-off action by contact up and down, greatly can reduce the thickness of novel keyboard switch, being more suitable for being applied in needs on the equipment of thin design;
(2) the be pressed lift effect of part projection and the tip side of fixed terminal of movable terminal disconnects, the elastic reset direction of movable terminal contacts with the tip side of fixed terminal, this design can ensure the good contact of fixed terminal and movable terminal when switch press, simultaneously, the stroke making pressing piece downward does not limit by the conflict after two-terminal contact, provides conveniently for increase pressing stroke and feel;
(3) described construction of switch is relatively simple, and cost is lower, improves enterprise's productivity effect.
Accompanying drawing explanation
Fig. 1 is the overall structure exploded perspective view of novel keyboard Switching embodiments described in the utility model;
Fig. 2 is movable terminal and the fixing terminal structure schematic diagram of novel keyboard Switching embodiments described in the utility model;
Fig. 3 is movable terminal and upper cover attaching construction figure in the utility model;
Fig. 4 is the assembled state cut-away view of novel keyboard Switching embodiments described in the utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As Figure 1-4, novel keyboard switch described in the utility model comprises upper cover 1, base 2, pressing piece 5, back-moving spring 6, movable terminal 4 and fixed terminal 3, this upper cover 1 periphery arranges multiple button hole 11, and base 2 place corresponding with upper cover 1 button hole 11 is provided with screens 22, upper cover 1 can be fastened with coordinating of screens 22 by button hole 11 with base 2, forms the cavity that places pressing piece 5, back-moving spring 6, movable terminal 4 and fixed terminal 3 after fastening in the middle of upper cover 1 and base 2.This base 2 is provided with guide pillar 21, and guide pillar 21 bottom is extended bottom base 2, is provided with guide hole in the middle of guide pillar 21.And this pressing piece 5 bottom is provided with backstay, pressing piece 5 is by penetrating guide hole by backstay, coordinate the back-moving spring 6 between pressing piece 5 and base 2 can realize depressing and upspring, also guide groove is provided with between pressing piece 5 four edges and base 2, when pressing piece 5 is pressed or act on reset by back-moving spring 6, pressing piece 5 moves up and down along guide groove, pressing piece 5 top passes upper cover 1 to connect outside keycap, pressing piece 5 is also provided with a projection 51, and this projection 51 is arranged on the left end of pressing piece 5.
As shown in Figure 2, this movable terminal 4 is a dynamic tactile shell fragment, on horizontal base 2 before guide pillar 21, comprise the stiff end 41 for fixing that one connects, and fixed terminal 3 tip side 43 opposing upper and lower and the elastic bending part 42 be connected between stiff end 41 and tip side 43, stiff end 41 one end passes stiff end 40 base 2 and is connected with external circuit, the other end connects elastic bending part 42, protuberance 431 is provided with by pressing piece 5 one end at tip side 43, this protuberance 431 is square, be close to the top of pressing piece 5 projection 51, when pressing piece 5 moves up and down, protruding 51 can control tip side 43 moves up and down, and then realize the contact of tip side 43 and fixed terminal 3.This stiff end 41 is fixed on the left side of base 2 before guide pillar 21, and right side is tip side 43, and fixed terminal 3 is arranged on tip side 43 lower end.This fixed terminal 3 is square structure, and one end stiff end 30 passes base 2 and is connected with external circuit.The place that movable terminal 4 contacts with fixed terminal 3 is respectively arranged with moving contact 432 and fixed contact 31, this moving contact 432 and fixed contact 31 are column structure, and mutually vertical, moving contact 432 and the contact effect of fixed contact 31 can be ensured like this, avoid loose contact.This elastic bending part 42 is recessed bending structure, and the bending being conducive to contact point is contacted by the fixed terminal about 3 that tip side 43 and opposite side are fixed on base 2 and realizes conducting.
As shown in Figure 3, movable terminal stiff end 41 is also provided with through hole 411, upper cover 1 is provided with reference column 12, the through hole 411 that reference column 12 is riveted on stiff end 41 realizes movable terminal 4 to be fixed on upper cover reference column 12, facilitate the assembling of movable terminal, and one end of elastic bending part 42 is fixed, tip side shake when can prevent switch motion, reduces the power of pressing piece lift terminal simultaneously.As shown in Figure 4, during use, when pressing piece 5 is pressed, the backstay of pressing piece 5 down moves along guide pillar 21 guide hole of base 2, back-moving spring 6 is extruded, the protuberance 431 of movable terminal 4 can be close to protruding 51 under the elasticity of elastic bending part 42, and follow protruding 51 and move down, when movable terminal 4 moves down to a certain extent, tip side 43 moving contact 432 on movable terminal 4 contacts with the fixed contact 31 in its underpart, be connected to movable terminal 4 and the circuit turn-on of fixed terminal 3, produce a pressing signal; When removing the power of pressing after pressing piece 5 presses, because the returning elastic of back-moving spring 6, a power is up applied to pressing piece 5, at this moment pressing piece 5 projection 51 also can up boost, because protuberance 431 is arranged on protruding 51 tops, the tip side 43 of movable terminal 4 up can be pushed open, now movable terminal 4 can disconnect with fixed terminal 3 and contacting, and returns to the position before pressing.
Compared with prior art, the utility model is by horizontal movable terminal 4 on base 2, and coupling is arranged on the fixed terminal 3 of base 2 side, it is made to pass through to contact up and down to realize on-off action, greatly can reduce the thickness of novel keyboard switch, be more suitable for being applied in need frivolous keyboard Designing equipment on, and its structure is relatively simple, cost is lower, improves enterprise's productivity effect.
Construction of switch described in the utility model can be extended to the switch of every field, such as various sensitive switches etc.
Above-described embodiment is only preferably implementation of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these apparent replacement forms all belong to protection range of the present utility model.
Claims (6)
1. a novel keyboard switch, comprise upper cover (1), base (2), fixed terminal (3), movable terminal (4) and pressing piece (5), described base (2) is provided with a guide pillar (21), pressing piece (5) be installed to be socketed with back-moving spring (6) guide pillar (21) on, upper cover (1) is exposed for pressing in upper end, upper cover (1) and base (2) fasten and make middle part form a cavity, fixed terminal (3) and movable terminal (4) are arranged in cavity, it is characterized in that: fixed terminal (3) one end passes base (2) and is connected with external circuit, the other end is parallel to base as fixed contact end and arranges, described movable terminal (4) is a dynamic tactile shell fragment, comprise stiff end (41) that one connects, and fixed terminal (3) moving contact end (43) opposing upper and lower and the elastic bending part (42) that is connected between stiff end (41) and moving contact end (43), described stiff end (41) vertically passes base (2) for connecting outside line, and moving contact end (43) is positioned at fixed contact and rectifies top, contact by the tip side (43) driving movable terminal (4) action and then control movable terminal (4) that moves up and down of pressing piece (5) with fixed terminal (3) and disconnect.
2. novel keyboard switch according to claim 1, it is characterized in that: described pressing piece (5) extends a projection (51) to movable terminal (4) direction, when pressing piece (5) moves up and down, drive mobile realization of moving contact end (43) to contact with fixed terminal (3) or disconnect by protruding (51).
3. novel keyboard switch according to claim 2, it is characterized in that: movable terminal (4) also comprises the protuberance (431) matched with protruding (51), described protuberance (431) is positioned on moving contact end (43), and whether protuberance (431) the part projection (51) that is pressed lifts moving up and down of the moving contact end (43) realizing movable terminal (4) and then disconnect with fixed contact end or contact.
4. novel keyboard switch according to claim 1, it is characterized in that: described stiff end (41) is provided with through hole (411), described upper cover (1) is provided with reference column, and the through hole (411) that described reference column is riveted on stiff end (41) realizes the fixing of movable terminal and upper cover.
5. novel keyboard switch according to claim 1, it is characterized in that: described moving contact end (43) is provided with moving contact (431), the fixed contact end of described fixed terminal (3) is provided with fixed contact (31), described moving contact (432) and fixed contact (31) are column structure, and Relative vertical is arranged.
6. novel keyboard switch according to claim 1, is characterized in that: described elastic bending part (42) is recessed bending structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420695841.4U CN204348569U (en) | 2014-11-19 | 2014-11-19 | A kind of novel keyboard switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420695841.4U CN204348569U (en) | 2014-11-19 | 2014-11-19 | A kind of novel keyboard switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204348569U true CN204348569U (en) | 2015-05-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420695841.4U Active CN204348569U (en) | 2014-11-19 | 2014-11-19 | A kind of novel keyboard switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204348569U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505293A (en) * | 2014-11-19 | 2015-04-08 | 余正明 | Novel keyboard switch |
| CN106206130A (en) * | 2016-09-02 | 2016-12-07 | 东莞市凯华电子有限公司 | A kind of keyboard switch producing pressing sound |
-
2014
- 2014-11-19 CN CN201420695841.4U patent/CN204348569U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104505293A (en) * | 2014-11-19 | 2015-04-08 | 余正明 | Novel keyboard switch |
| CN106206130A (en) * | 2016-09-02 | 2016-12-07 | 东莞市凯华电子有限公司 | A kind of keyboard switch producing pressing sound |
| WO2018041270A1 (en) * | 2016-09-02 | 2018-03-08 | 东莞市凯华电子有限公司 | Keyboard switch which produces press sound |
| US10650987B2 (en) | 2016-09-02 | 2020-05-12 | Dongguan City Kaihua Electronics Co., Ltd | Press sound producing keyboard switch |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |