CN200986869Y - Push-button switch - Google Patents

Push-button switch Download PDF

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Publication number
CN200986869Y
CN200986869Y CN 200620125960 CN200620125960U CN200986869Y CN 200986869 Y CN200986869 Y CN 200986869Y CN 200620125960 CN200620125960 CN 200620125960 CN 200620125960 U CN200620125960 U CN 200620125960U CN 200986869 Y CN200986869 Y CN 200986869Y
Authority
CN
China
Prior art keywords
push
contacting plate
button switch
moving contacting
fixed terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200620125960
Other languages
Chinese (zh)
Inventor
孙亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foxconn Kunshan Computer Connector Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Foxconn Kunshan Computer Connector Co Ltd
Hon Hai Precision Industry Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foxconn Kunshan Computer Connector Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Foxconn Kunshan Computer Connector Co Ltd
Priority to CN 200620125960 priority Critical patent/CN200986869Y/en
Application granted granted Critical
Publication of CN200986869Y publication Critical patent/CN200986869Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a pushbutton switch, consisting of an insulator body with a house, a fixed terminal molded in one with the insulator, a first movable contact plate and a second movable contact plate installed in the house, a insolating film arranged between the two movable contact plates, a pushbutton arranged above the two movable contact plates and a covering housing arranged shaded on the insulator body. The second movable contact plate is above the first movable contact plate. The insulator film is adhered to the first movable contact plate, which makes the first movable contact plate covered completely by the insulator film. The pushbutton makes the producing processes simplified, the producing cost lowered and the manufacturing efficiency improved.

Description

Push-button switch
[technical field]
The utility model relates to a kind of push-button switch, relates in particular to the push-button switch on a kind of guidance panel that is used for various electronic installations.
[background technology]
Fast development along with electronic industry, push-button switch as the electronic product common part, obtained significant progress, the push-button switch that uses on the existing market, in order to adapt to the continuous development of industry, need make improvement constantly, for example Chinese patent CN 1221997 C are exactly the push-button switch that a kind of needs are made further improvement, this push-button switch comprises the shell with resettlement section, be configured in the central fixed contact on the resettlement section inner bottom surface of this shell, be configured in the peripheral fixed contact in this central authorities fixed contact outside, and be mounted on last travelling contact and following travelling contact in the shell, two travelling contacts are provided with the central dome portion of the top that is configured in above-mentioned central fixed contact, and its periphery contacts with above-mentioned peripheral fixed contact always, central authorities are set on the resettlement section of shell the ring-type adhesion tablet of through hole, this adhesion tablet is covered in down on the travelling contact, and exposes the central dome portion of travelling contact down from the through hole of above-mentioned adhesion tablet.During use, when the central dome portion of last travelling contact is subjected to pressing force, the downward elasticity counter-rotating of dome portion, contact with the central dome portion of following travelling contact, finish the switch motion of first segmentation, then, the dome portion that is subjected to the last travelling contact of pressing force promotes the downward elasticity counter-rotating of dome portion of the following travelling contact of contact with it, the dome portion of travelling contact is contacted with above-mentioned central fixed contact, finish the switch motion of second segmentation, both finished the conducting of entire circuit.
But, above-mentioned push-button switch exists flow process complexity, the more situation of production stage of making, especially offer a through hole at the middle position of adhesion tablet, described adhesion tablet is to be formed by material such as resins, and its quality is pliable and tough, is difficult for the cutting moulding, the diameter of adding the through hole of being offered is less, the cutting condition of poor can occur, thereby increase production cost, reduce production efficiency.
Given this, be necessary to design a kind of new push-button switch to address the above problem in fact.
[summary of the invention]
Technical problem to be solved in the utility model provides a kind of push-button switch that can simplify production stage, enhance productivity.
In order to solve the problems of the technologies described above, the utility model provides a kind of push-button switch, but but comprise insulating body with resettlement section, with the integrated fixed terminal of insulating body, be loaded on first moving contacting plate and second moving contacting plate in the resettlement section, but but second moving contacting plate is positioned on first moving contacting plate, but but this push-button switch also is provided with insulation film between first moving contacting plate and second moving contacting plate, wherein, but above-mentioned first moving contacting plate is insulated film covers fully.
Compared with prior art, the utlity model has following advantage: but but this push-button switch also is provided with insulation film between first moving contacting plate and second moving contacting plate, this insulation film does not need further to offer through hole, reduced production stage, simplified the making flow process, thereby reduced production cost, improved production efficiency.
[description of drawings]
Fig. 1 is the three-dimensional combination figure of the utility model push-button switch.
Fig. 2 is the three-dimensional exploded view of the utility model push-button switch.
But Fig. 3 is the stereogram of first moving contacting plate of the utility model push-button switch.
But Fig. 4 is the stereogram of second moving contacting plate of the utility model push-button switch.
Fig. 5 is the stereogram of the insulation film of the utility model push-button switch.
Fig. 6 is the key diagram of the utility model push-button switch state when not operating
The action specification figure of state when Fig. 7 is first section connection of the utility model push-button switch.
The action specification figure of state when Fig. 8 is second section connection of the utility model push-button switch.
[embodiment]
Describe the embodiment of the utility model push-button switch 100 in detail below in conjunction with accompanying drawing.
See also Fig. 1 to Fig. 8, but but but but the utility model push-button switch 100 comprise insulating body 2, and insulating body 2 integrated fixed terminals 3, first moving contacting plate 4 that is installed in insulating body 2 and second moving contacting plate 5, at the insulation film 6 between two moving contacting plates 4,5, be located at the button 7 above two moving contacting plates 4,5 and be covered on shielding casing 8 on the insulating body 2.
Insulating body 2 is roughly square-shaped, its top is provided with opening, make its inside have a resettlement section 21, this resettlement section 21 by forms in insulating body 2 central authorities be roughly toroidal and by outside to inside successively recessed base portion 211, reach and be connected with this base portion 211 and four corners of 21 are provided with the recess 212 of accommodating that is roughly square shape respectively and are formed in the resettlement section.The middle position of above-mentioned base portion 211 is provided with an arc convex surface that projects upwards 2111, and be provided with around the circular concave part 2112 of being roughly of arc convex surface 2111 at the upper surface of base portion 211, two accepting grooves 2113 and a compression zone 2114 are uniformly also distributing on this concave part 2112; Accommodate recess 212 according to its function for above-mentioned four, can be subdivided into first of homonymy accommodates second of recess 212a and another homonymy and accommodates recess 212b, each is accommodated recess 212 and all is provided with horizontal support portion 2121, and first accommodates recess 212a and also be extended with the holding section 2122 that is step-like setting with support portion 2121 in its 2121 lower ends, support portion.In addition, the center position of a pair of relative side of insulating body 2 is respectively equipped with buckle projection 22, and the center position of another relative side is concaved with and holds slot part 23.In addition, be provided with positioning cylinder 24 in the bottom surface of insulating body 2.
Fixed terminal 3 can be divided into first fixed terminal 31, second fixed terminal 32, the 3rd fixed terminal 33 and the 4th fixed terminal 34.Wherein, first fixed terminal 31 and second fixed terminal 32 have respectively and are contained in first second fixed contact 311,321 of accommodating recess 212a, and the holding section 2122 that these second fixed contacts 311,321 and first are accommodated among the recess 212a offsets; The 3rd fixed terminal 33 is provided with first fixed contact 331 in the accepting groove 2113 that is contained in above-mentioned base portion 211 concave parts 2112; The 4th fixed terminal 34 has the central fixed contact 341 of being located at circular arc protuberance 2111 tops, and the 4th fixed terminal 34 is connected with second fixed terminal 32 and becomes holistic terminal structure.In addition, on above-mentioned insulating body 2 opposite external side faces, form and draw from above-mentioned central fixed contact 341 and first, second fixed contact 331,311,321, and the tie point outside foreign side protrudes in insulating body 342,332,312,322.
But first moving contacting plate 4 is made as toroidal, includes first central portion 41 that is the dome shape.
But second moving contacting plate 5 comprises second central portion 51 that is the dome shape, but is outward extended with four wrists 52 that correspondence is accommodated recess 212 by the peripheral position of second moving contacting plate 5.But the external diameter between the above-mentioned wrist 52 forms the diameter bigger than the external diameter of above-mentioned first moving contacting plate 4.In addition, the free end of each wrist 52 is made as positioning part 521, these positioning parts 521 can be positioned on the support portion 2121 of insulating body 2, on each wrist 52, be provided with the salient point 522 that protrudes out downwards, unsettled respectively second fixed contact 311,321 or second of being located at of these salient points 522 is accommodated the top of recess 212b, and the salient point 522 of being located at second fixed contact, 311,321 tops is normality with second fixed contact 311,321 and separates.
But when being placed in first moving contacting plate 4 in the above-mentioned resettlement section 21, the central fixed contact 341 relative configurations that its first central portion 41 and resettlement section 21 is set, but and the peripheral position of first moving contacting plate 4 and above-mentioned first fixed contact 331 are permanently connected to.
In addition, but above first moving contacting plate 4, be stained with a roughly insulation film 6 of rounded shape, but the diameter of this insulation film 6 is greater than the diameter of first moving contacting plate 4, but first moving contacting plate 4 can be covered fully, but described insulation film 6 adheres on first moving contacting plate 4 and the full week of the edge of above-mentioned concave part 2112, but above-mentioned first moving contacting plate 4 is fixed within the above-mentioned concave part 2112, but because the gap between the neighboring of the insulation film 6 covering concave parts 2112 and first moving contacting plate 4, so can reduce the intrusion of dust, moreover, because insulation film 6 adopts resin material to make, first central portion 41 that makes the movable contact chip 4 of winning is when carrying out the elasticity counter-rotating, and insulation film 6 also can reverse.
But second moving contacting plate 5 is positioned at the top of insulation film 6, but the wrist 52 of second moving contacting plate 5 is contained in accommodating in the recess 212 of insulating body 2 resettlement sections 21.
Above 21 opening parts of insulating body 2 resettlement sections, but the button that resin plate constituted 7 that is roughly square shape that covers above second moving contacting plate 5 is installed, but wrist 52 pressure holdings that this button 7 can make second moving contacting plate 5 are on above-mentioned support portion 2121 of accommodating recess 212.
Cover shell 8 and formed by the plate-shape metal plate and be roughly square shape, its central authorities are provided with fenestra portion 81.In addition, a pair of relative side that covers corresponding buckle projection 22 in shell 8 four sides is extended with clamping part 82 downward vertically, is extended with holding section 83 downward vertically and other a pair of relative side correspondence holds slot part 23.To cover shell 8 and be installed on the insulating body 2, at this moment have above-mentioned button 7 between shell 8 and the insulating body 2, and button 7 expose some depressible structure from fenestra portion 81 above-mentioned covering.
During use, when the button 7 of the utility model push-button switch 100 is subjected to a downward pressure, but second central portion 51 of being located at second moving contacting plate 5 of button 7 belows is pressed, make this second central portion 51 the elasticity counter-rotating occur, be in contact with one another and separate to become by normality between the unsettled salient point 522 of being located at second fixed contact, 311,321 tops and second fixed contact 311,321, finish first section switch start.At this moment, but because second central portion 51 of second moving contacting plate 5 continues the elasticity counter-rotating, thereby but but promote the also elasticity counter-rotating downwards of first central portion 41 of the insulation film 6 and first moving contacting plate 4 of second moving contacting plate, 5 belows.Therefore, but first central portion 41 of first moving contacting plate 4 after the elasticity counter-rotating contact with above-mentioned central fixed contact 341, making wins conducting occurs between movable contact chip 4 and the above-mentioned central fixed contact 341, finishes second section switch start.At this moment, because but but second fixed terminal 32 and the 4th fixed terminal 34 are interconnected into integral body and first moving contacting plate 4 is being connected second fixed terminal 32 and is being connected first fixed terminal 31 and second fixed terminal 32 with the 3rd fixed terminal 33, second moving contacting plate 5, like this, central fixed contact 341, first fixed contact 331 and second fixed contact 311,321 are in conducting state.
When the pressing force removed the utility model push-button switch 100, but first, second central portion 41,51 of above-mentioned first, second moving contacting plate 4,5 upwards carries out the elasticity counter-rotating with the elastic force of self, returns to initial condition.At this moment, but first central portion 41 of first moving contacting plate 4 separate with above-mentioned central fixed contact 341, but the salient point 522 of second moving contacting plate, 5 wrists 52 separate with above-mentioned second fixed contact 311,321, the utility model push-button switch 100 has become off-state.
But but the utility model push-button switch is provided with insulation film between first moving contacting plate and second moving contacting plate, this insulation film does not need further to offer through hole, reduced production stage, simplify the making flow process, thereby reduced production cost, improved production efficiency, moreover, by insulation film is set, changes switch and make flowing mode, thereby reduced the insecure risk of circuit turn-on that push-button switch may exist.
Technology contents of the present utility model and technical characterstic disclose as above, yet those of ordinary skill in the art still may carry out all replacement and modifications that does not deviate from the utility model spirit based on teaching of the present utility model and announcement.Therefore, protection range of the present utility model should be not limited to the content that execution mode discloses, and comprises various do not deviate from replacement of the present utility model and modifications, is the present patent application claim and contains.

Claims (9)

1. push-button switch, but but comprise insulating body with resettlement section, with the integrated fixed terminal of insulating body, be loaded on first moving contacting plate and second moving contacting plate in the resettlement section, but but second moving contacting plate is positioned on first moving contacting plate, but but this push-button switch also is provided with insulation film between first moving contacting plate and second moving contacting plate, it is characterized in that: cover fully but above-mentioned first moving contacting plate is insulated film.
2. push-button switch as claimed in claim 1, it is characterized in that: insulating body is provided with in its corner and accommodates recess, fixed terminal is formed with at least one second fixed contact in the above-mentioned recess place of accommodating, but the corresponding above-mentioned recess of accommodating of second moving contacting plate is provided with wrist.
3. push-button switch as claimed in claim 2 is characterized in that: described wrist is provided with the salient point that protrudes out downwards, the unsettled top of being located at second fixed contact of these salient points, and described salient point is normality with second fixed contact and separates.
4. push-button switch as claimed in claim 3 is characterized in that: the described recess of accommodating all has been horizontally set with a support portion, and described wrist is placed on the support portion.
5. push-button switch as claimed in claim 4, it is characterized in that: described fixed terminal is divided into first fixed terminal, second fixed terminal, the 3rd fixed terminal and the 4th fixed terminal, wherein, second fixed terminal and the 4th fixed terminal are connected to each other and become overall structure.
6. push-button switch as claimed in claim 5, it is characterized in that: described resettlement section is made up of base portion and the above-mentioned recess of accommodating, under the surface of base portion, be concaved with a concave part, offer at least one accepting groove on this concave part, the corresponding accepting groove of described the 3rd fixed terminal is formed with first fixed contact.
7. push-button switch as claimed in claim 6 is characterized in that: the middle position of described base portion also is provided with an arc convex surface, and described the 4th fixed terminal corresponding circle arc convex surface is provided with central fixed contact.
8. push-button switch as claimed in claim 7 is characterized in that: above-mentioned second fixed contact is formed by first fixed terminal and second fixed terminal.
9. push-button switch as claimed in claim 8, it is characterized in that: but the middle position of described first moving contacting plate is provided with first central portion, but the middle position of described second moving contacting plate is provided with second central portion, first central portion and second central portion place the top of above-mentioned central fixed contact, but the peripheral position of first moving contacting plate and described first fixed contact are permanently connected to.
CN 200620125960 2006-12-01 2006-12-01 Push-button switch Expired - Fee Related CN200986869Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620125960 CN200986869Y (en) 2006-12-01 2006-12-01 Push-button switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620125960 CN200986869Y (en) 2006-12-01 2006-12-01 Push-button switch

Publications (1)

Publication Number Publication Date
CN200986869Y true CN200986869Y (en) 2007-12-05

Family

ID=38916327

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620125960 Expired - Fee Related CN200986869Y (en) 2006-12-01 2006-12-01 Push-button switch

Country Status (1)

Country Link
CN (1) CN200986869Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020105339A1 (en) * 2018-11-20 2021-09-30 アルプスアルパイン株式会社 Push switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2020105339A1 (en) * 2018-11-20 2021-09-30 アルプスアルパイン株式会社 Push switch
JP7183298B2 (en) 2018-11-20 2022-12-05 アルプスアルパイン株式会社 push switch

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20071205

Termination date: 20111201