CN1178249C - Press button switch and its producing method - Google Patents
Press button switch and its producing method Download PDFInfo
- Publication number
- CN1178249C CN1178249C CNB991108655A CN99110865A CN1178249C CN 1178249 C CN1178249 C CN 1178249C CN B991108655 A CNB991108655 A CN B991108655A CN 99110865 A CN99110865 A CN 99110865A CN 1178249 C CN1178249 C CN 1178249C
- Authority
- CN
- China
- Prior art keywords
- contact point
- movable contact
- spacer body
- button switch
- central
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Push-Button Switches (AREA)
Abstract
The present invention provides a pushbutton structure capable of preventing a common contact and a movable contact from opening apart during the operation of a pushbutton switch and being even easier to machine while having high assembling accuracy. In the simple structure, a pushbutton switch is provided with an insulating substrate and a fixed contact body made of a metal sheet having both a center contact 18 secured to the center of the insulating substrate and a first connecting terminal secured to the end of the insulating substrate. Spacers each having a greater plate thickness than the center contact are provided on the insulating substrate in such a way as to surround the center contact . A movable contact body made of a metal sheet having both a domed movable contact covering the center contact and a second connecting terminal is provided. The lower part of the outer peripheral edge of the movable contact is made to abut against the spacers , and the center contact 18 and the movable contact are spaced apart at a certain distance. The second connecting terminal of the movable contact body 28 is secured on the insulating substrate .
Description
Technical field
Fixed contact point on the present invention relates to movable contact point and being arranged on insulated substrate can relative contact separation, such as the slim push-button switch of batch (-type) switch etc., and corresponding method of manufacture.
Background technology
Fig. 6 A and Fig. 6 B represent the sectional arrangement drawing of existing push-button switch and the sectional arrangement drawing of its mode of operation respectively, describe below with reference to these accompanying drawings.Push-button switch is provided with the insulated substrate 2 that is made of the insulating properties thin plate, and the circumferential edge of insulated substrate 2 is provided with the sidewall 4 that is made of insulating properties material of the same race.And within sidewall 4, also being provided with central contact point 6 and two the shared contact points 8 that are made of metal, their end is separately positioned on the insulated substrate 2.
Central authorities' contact point 6 and shared contact point 8 are all stepped by extrusion process, the end of shared contact point 8 is arranged on the top board 4a place of sidewall 4, and be provided with to the outstanding terminal for connecting 9 in the outside of sidewall 4 in this end portion office integral body, terminal for connecting 9 is along sidewall 4 warpage downwards.Also integral installation has not shown terminal for connecting at central contact point 6 places.
On this push-button switch, also be provided with constitute by the rubber-like sheet metal, be the vaulted movable contact point 10 of circle, this movable contact point 10 usually with each shared contact point 8 on the stepped portion branch connect, and according to central contact point 6 relative configuration of mode of predetermined space apart.
Also be provided with at the top board 4a place of described sidewall 4 around be covered with these sidewall 4 inside, have a flexual insulating thin 12, and the mode at the place, end of surface by this insulating thin 12 being connected top board 4a and shared contact point 8 is implemented to install and fix to insulating thin 12.
Manner of execution to this push-button switch describes below.When being installed in this push-button switch on the tellite, if push down insulating thin 12 and movable contact point 10 by finger etc., just can make the top section deflection downwards on the movable contact point 10, and then contact with the central portion of central contact point 6, thereby make 6 of shared contact point 8 and central contact points be in state by movable contact point 10 electric connections (conducting), making simultaneously links to each other by each contact point 6,8 is in the state of being electrically connected between terminal for connecting then.
When separating when removing the pressing force that is applied on the insulating thin 12, movable contact point 10 will be by the effect of elastic force, be back to the vaulted shape of original circle, and then leave, thereby make shared contact point 8 and 6 of central contact points be in disconnection (not conducting) state from central contact point 6.
Yet shown in Fig. 6 B, existing this push-button switch is waiting by finger along being directed downwards shown in the arrow S when pushing down insulating thin 12 and movable contact point 10, because the effect of bonding force on the insulating thin 12 and tension force etc., movable contact point 10 can be moved up by the abutting part office of shared contact point 8, thereby is left by shared contact point 8 places.Even therefore have, also may not be in connection (conducting) state, but be in the problem of disconnection (not conducting) state to the push-button switch implementation and operation.
And, path increment in order to ensure 10 of the central contact point 6 of push-button switch and movable contact points, it is poor to form ladder to make central contact point 6 and shared contact point 8 only have tens of microns overhang respectively, and in order to ensure the dimensional accuracy of each overhang, then need respectively central contact point 6 and shared contact point 8 to be implemented extrusion process, to form stairstepping.Yet, because central contact point 6 and shared contact point 8 are very small parts, thus if form stairstepping with needed ladder difference, also have complex-shaped, be difficult to carry out problems such as extrusion process and processing trouble.
Summary of the invention
The objective of the invention is to make movable contact point and terminal for connecting to form as one, when implementing pressing operation, can not produce the problem that contact point leaves, thereby can keep on-state reliably.It is poor to the present invention also aims to form accurately between contact point step, and can make the further slimming of push-button switch simultaneously.For achieving the above object, provide a kind of when implementing operation of push-button switch, between contacted shared contact point and movable contact point, can not leave phenomenon, and the push-button switch that processing is easier, assembly precision is higher.
First solution that addresses the above problem usefulness is a kind of push-button switch, and it has insulated substrate; The sheet metal system fixed contact point parts that constitute by the central contact point and first terminal for connecting that is connected with this central authorities' contact point by first connecting portion that are fixed on this insulated substrate; A pair of spacer body, relative and mode surrounding said central contact point and described connecting portion is arranged on the described insulated substrate described spacer body according to clamping central authorities contact point and described connecting portion and with the interval of regulation, and the thickness of described spacer body is thicker than the thickness of this central authorities' contact point; And by be covered with described central contact point, be the vaulted movable contact point of circle and movable contact point parts of sheet metal system that second terminal for connecting that connects as one by second connecting portion and this movable contact point constitutes; The outer circumferential edge bottom of described movable contact point and described a pair of spacer body connect respectively, described central contact point and described movable contact point leave preset distance, and second terminal for connecting on the described movable contact point parts is fixed on the described insulated substrate.
Second solution that addresses the above problem usefulness is a kind of push-button switch, and wherein said a pair of spacer body is to form according to the mode that the outer circumferential edge along the vaulted movable contact point of described circle approaches described each connecting portion.
The 3rd solution that addresses the above problem usefulness is a kind of push-button switch, and wherein said a pair of spacer body is to be formed by metal or resinous smooth thin plate.
And the 4th solution that addresses the above problem usefulness is a kind of manufacture method of push-button switch, and it is first bandcast material that punching press is formed with the fixed contact point parts with central contact point and first terminal for connecting; Punching press is formed with second bandcast material of the partition member with a pair of spacer body, and described spacer body is made of the plate thicker than the thickness of described fixed contact point member; And punching press is formed with the trizonal material of movable contact point parts, the location positioning lamination that above-mentioned material is implemented successively is provided with, respectively from both sides up and down with insulating thin and insulated substrate described first, second and the trizonal material that is laminated that be clamped; And to these first, second and the trizonal material on the part that do not need implement excision.
Description of drawings
Plane graph when Fig. 1 is removed state for expression push-button switch of the present invention is in insulating thin.
Fig. 2 is the profile of expression along the push-button switch of direction shown in the line 2_2 among Fig. 1.
Fig. 3 is the profile of expression along the push-button switch of direction shown in the line 3_3 among Fig. 1.
Fig. 4 is illustrated in the process of making push-button switch of the present invention, the plane graph of the band state after the enforcement punch process.
Fig. 5 is for representing to be in the exploded perspective view of the push-button switch under the band state as shown in Figure 4.
Fig. 6 A is the sectional arrangement drawing of the existing push-button switch of expression, and Fig. 6 B is the sectional arrangement drawing of the mode of operation of the existing push-button switch of expression.
Embodiment
As shown in Figure 1 to Figure 3, what reference number 12 was represented is to be thin circular, smooth insulated substrate, what reference number 14 was represented is the fixed contact point parts that are made of sheet metal, and what reference number 16 was represented is a pair of partition member that is made of the thin plate that metal material or resin material are made.
Described fixed contact point parts 14 are by rounded smooth central contact point 18, terminal for connecting 20 on the tellite rectangular, be connected machine not shown, that use this switch by welding manner, and the connecting portion 22 that is connected between these two parts constitutes.And described a pair of partition member 16 is by around smooth spacer body 24a, 24b central contact point 18, that be the C font, and thickness is identical with each spacer body 24a, 24b and base portion 26a, 26b that connect as one constitute.The thickness of the comparable fixed contact point parts 14 of the thickness of partition member 16 is thicker, constitutes a part in this switch over travel to utilize this thickness difference.
As shown in Figure 2, central contact point 18 is configured in the central part place on the insulated substrate 12, and fixed contact point parts 14 are fixed on this insulated substrate 12 by not shown bonding agent etc.The part that is the C font on each spacer body 24a, the 24b towards central contact point 18 1 sides, and is that the center disposes relatively with this central authorities' contact point 18 by predetermined interval.Partition member 16 with this spacer body 24a, 24b is fixed on the insulated substrate 12 with fixed contact point parts 14 in the lump by using the mode of bonding agent etc.
What reference number 28 was represented is the movable contact point parts that are made of sheet metal, it is by rubber-like, is the vaulted movable contact point 30 of circle, terminal for connecting 32 on the tellite rectangular, be connected machine not shown, that use this switch by welding manner, and the connecting portion 34 that is connected between these two parts constitutes.And this connecting portion 34 is equivalent to the shared contact point 8 of push-button switch of the prior art, and forms as one with movable contact point 30 and terminal for connecting 32.
Push-button switch of the present invention with this structure moves in a manner described below.Promptly when it is installed on the tellite, be configured in the place, below of not shown operating body, and then as shown in Figures 2 and 3, when pushing an insulating thin 36 and movable contact point 30 with finger etc. by last side direction by this operating body, the stroke that insulating thin 36 is predetermined with deflection downwards, thereby make movable contact point 30 counter-rotatings, and then itself and central contact point 18 are connected.In this way, be connected central contact point 18 places terminal for connecting 20 will with terminal for connecting 32 electrically conductings that are connected movable contact point 30 places by connecting portion 34, thereby switch to connection (conducting) state by disconnecting (not conducting) state.
When removing the pressing operation power of finger etc. by this on-state, it is vaulted that movable contact point 30 will revert to circle by the elastic restoring force of self, thereby upwards insulating thin 36 is lived in extruding, movable contact point 30 is left by central contact point 18 places, and then make 20,32 of terminal for connecting be in electric disconnection (not conducting) state.
Central authorities' contact point 18 and terminal for connecting 20 form by same sheet metal is whole, movable contact point 30 and terminal for connecting 32 form by same sheet metal is whole, when this switch is implemented the conducting operation, usually by connecting portion 34 movable contact point 30 is connected with terminal for connecting 32, because the terminal for connecting 32 that directly joins with movable contact point 30 is welded on the tellite, so the problem that contact point is separated can not occur, thereby can stably remain on connection status.
The path increment of this switch is by the thickness difference of 16 of fixed contact point parts 14 and partition members and poor by between the top of movable contact point 30 and its circumferential edge bottom, be that the step difference constitutes between contact point, thereby the thin plate that by need not resembling in the prior art central contact point 6 and shared contact point 8 is carried out extrusion process constitutes, so the making of this switch is simple.And fixed contact point parts 14 and partition member 16 are smooth thin sheet form, so easily and accurately form the thickness difference of a part of path increment that constitutes this switch.
Below with reference to accompanying drawing 4 and accompanying drawing 5, the assemble method of the push-button switch of structure formation describes to having as mentioned above.
Just as shown in Figure 4 and Figure 5, what reference number 52 was represented is first bandcast material that extrusion process has fixed contact point parts 14, what reference number 54 was represented is second bandcast material that extrusion process has partition member 16, and what reference number 56 was represented is the trizonal material that extrusion process has movable contact point parts 28.
Find out that by knowing among the figure fixed contact point parts 14 and partition member 16 are to utilize not shown impact molding machine punch process (extrusion process) and the bandcast material 52,54 that is reservation shape constitutes.
Similarly, movable contact point parts 28 are made of the trizonal material 56 that punch process (extrusion process) goes out, and after producing movable contact point 30 etc., again should movable contact point 30 be processed into to justify vaulted shape.
What reference number 60a, 60b, 60c, 60d represented is that these bandcast material 52,54,56 location are remained on four pilot pins that the pre-position on the automatic assembling is used.
At the place, both sides of the edge of first, second and trizonal material 52,54,56, also equally spaced form porose 52a, 52b, 54a, 54b, 56a, 56b along its band shape longitudinal direction.Utilize these holes 52a～56b, just can when implementing punch process, realize high-precision location positioning, thereby can process each bandcast material 52,54,56 by reservation shape with impact molding machine.
And in the process of assembling automatically, can earlier first bandcast material 52 be sent to the pilot pin 60a of automatic assembling, the position of 60b automatically, and then pilot pin 60a, 60b be inserted among hole 52a, the 52b on first bandcast material 52 by the below respectively, make pin 60a, 60b by outstanding among hole 52a, the 52b, thereby first bandcast material, 52 location are arranged on the pre-position.
Subsequently similarly, second bandcast material 54 is sent to the pilot pin 60c of automatic assembling, the position of 60d automatically, and then pilot pin 60c, 60d be inserted among hole 54a, the 54b on second bandcast material 54 by the below respectively, make pin 60c, 60d by outstanding among hole 54a, the 54b, be provided with thereby second bandcast material 54 is implemented the location.
Then trizonal material 56 being sent to automatically, positioning supports has the pilot pin 60c of second bandcast material 54, the position of 60d, and then pilot pin 60c, 60d be inserted among hole 56a, the 56b on the trizonal material 56, make pin 60c, 60d by outstanding among hole 56a, the 56b, thereby with folded being located on second bandcast material 54 in trizonal material 56 location.At this moment, pilot pin 60c, 60d will coincide with hole 54a, 54b and hole 56a, 56b respectively and be embedded in these holes.
After implementing this assembling, can be with respect to three bandcast material 52,54,56, utilization is coated with bonding agent on a side insulated substrate 12 and insulating thin 36 integrally cover this switch from above-below direction respectively, so that bandcast material 52,54,56 is implemented to be connected and fixed.
At last, implement to cut off along four positions shown in dotted line A, B among Fig. 4, C, D, thereby finally make this switch.
Utilize this automatic assembling, just can be with the stacked exactly pilot pin 60a～60d place that is assembled in of hole 52a, 52b, 54a, 54b, 56a, 56b on each bandcast material 52,54,56, so can carry out high-precision location assembling operation.And, owing to be to utilize automatic assembling to carry out accurately the position to determine, thus can also used thickness thinner, such as the material of sheet metal etc., thus can make its further slimming.
And, first bandcast material 52 that is extruded with fixed contact point parts 14 is identical materials with the trizonal material 56 that is extruded with movable contact point parts 28, so can utilize a bandcast material to squeeze out fixed contact point parts 14 and movable contact point parts 28 respectively, therefore only need to use this mould of two types of mould of this diel and described partition member 16 usefulness of making, this can reduce the manufacturing cost of mould, and can shorten the Production Time of mould.
Push-button switch aforesaid, constructed according to the invention can have insulated substrate; The sheet metal system fixed contact point parts that constitute by the central contact point and first terminal for connecting that is connected with this central authorities' contact point that are fixed on this insulated substrate; Be arranged on around spacer body on the described insulated substrate of central contact point, that its thickness is thicker than the thickness of this central authorities' contact point; And by being covered with the movable contact point parts of sheet metal system central contact point, that be the vaulted movable contact point of circle and constitute with second terminal for connecting that this movable contact point connects as one; And when the outer circumferential edge bottom of movable contact point and spacer body connected, central contact point left preset distance with movable contact point; By second terminal for connecting on the movable contact point parts being fixed on the mode on the insulated substrate, the movable contact point and second terminal for connecting are formed as one, so the movable contact point of this push-button switch will can not produce the problem that contact point leaves when implementing pressing operation, thereby can remain on connection (conducting) state reliably.And, only intactly be fixed on mode on the insulated substrate by the central contact point that will constitute by sheet metal and spacer body, just it is poor to utilize thickness difference between central contact point and spacer body to form between contact point step accurately, so no longer need to implement the extrusion process at contact point place.
And, can also be by punching press being formed with first bandcast material of fixed contact point parts with central contact point and first terminal for connecting, punching press is formed with second bandcast material of the partition member with spacer body, and punching press is formed with the trizonal material of movable contact point parts, the location positioning lamination of implementing successively is provided with, be clamped described from both sides up and down with insulating thin and insulated substrate respectively, be first of laminated, second and the trizonal material, and to these first, second and the trizonal material on the part that do not need implement excision, thereby to first, second and the trizonal material implement location positioning accurately, therefore can used thickness thinner, material such as sheet metal etc. is made push-button switch, can make its further slimming.
Claims (4)
1. push-button switch is characterized in that having:
Insulated substrate;
The sheet metal system fixed contact point parts that constitute by the central contact point and first terminal for connecting that is connected with this central authorities' contact point by first connecting portion that are fixed on this insulated substrate;
A pair of spacer body, relative and mode surrounding said central contact point and described connecting portion is arranged on the described insulated substrate described spacer body according to clamping central authorities contact point and described connecting portion and with the interval of regulation, and the thickness of described spacer body is thicker than the thickness of this central authorities' contact point;
And by be covered with described central contact point, be the vaulted movable contact point of circle and movable contact point parts of sheet metal system that second terminal for connecting that connects as one by second connecting portion and this movable contact point constitutes;
The outer circumferential edge bottom of described movable contact point and described a pair of spacer body connect respectively, described central contact point and described movable contact point leave preset distance, and second terminal for connecting on the described movable contact point parts is fixed on the described insulated substrate.
2. push-button switch according to claim 1 is characterized in that, described a pair of spacer body is to form according to the mode that the outer circumferential edge along the vaulted movable contact point of described circle approaches described each connecting portion.
3. push-button switch according to claim 1 is characterized in that, described a pair of spacer body is to be formed by metal or resinous smooth thin plate.
4. the manufacture method of a push-button switch is characterized in that:
Punching press is formed with first bandcast material of the fixed contact point parts with central contact point and first terminal for connecting;
Punching press is formed with second bandcast material of the partition member with a pair of spacer body, and described spacer body is made of the plate thicker than the thickness of described fixed contact point member;
And punching press is formed with the trizonal material of movable contact point parts, the location positioning lamination that above-mentioned material is implemented successively is provided with, respectively from both sides up and down with insulating thin and insulated substrate described first, second and the trizonal material that is laminated that be clamped;
And to these first, second and the trizonal material on the part that do not need implement excision.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10223507A JP2000057885A (en) | 1998-08-07 | 1998-08-07 | Pushbutton switch and its manufacture |
| JP223507/98 | 1998-08-07 | ||
| JP223507/1998 | 1998-08-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1244721A CN1244721A (en) | 2000-02-16 |
| CN1178249C true CN1178249C (en) | 2004-12-01 |
Family
ID=16799239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991108655A Expired - Fee Related CN1178249C (en) | 1998-08-07 | 1999-07-22 | Press button switch and its producing method |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2000057885A (en) |
| KR (1) | KR100339899B1 (en) |
| CN (1) | CN1178249C (en) |
| MY (1) | MY133183A (en) |
| TW (1) | TW420813B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200031929A (en) * | 2018-09-17 | 2020-03-25 | (주)보은 | Tank heat treatment apparatus and heat treatment method using the same |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4498572B2 (en) * | 2000-09-19 | 2010-07-07 | シチズンホールディングス株式会社 | Electronics |
| DE10159828B4 (en) * | 2001-12-06 | 2007-09-20 | Rigaku Industrial Corporation, Takatsuki | X-ray fluorescence spectrometer |
| JP4031237B2 (en) * | 2001-12-18 | 2008-01-09 | アルプス電気株式会社 | Switch device |
| KR20040088165A (en) * | 2003-04-09 | 2004-10-16 | 이수호 | PCB-typed Tact Switch |
| WO2005045867A1 (en) | 2003-11-06 | 2005-05-19 | Philip Adrian Sjostrom | Switch element |
| KR101150763B1 (en) | 2011-02-25 | 2012-06-08 | 주식회사 마그마 | Push switch device |
| JP6439394B2 (en) * | 2013-12-19 | 2018-12-19 | ミツミ電機株式会社 | Switch manufacturing method and switch |
| JP6412626B1 (en) | 2017-06-20 | 2018-10-24 | レノボ・シンガポール・プライベート・リミテッド | Keyboard device and electronic device |
-
1998
- 1998-08-07 JP JP10223507A patent/JP2000057885A/en not_active Withdrawn
-
1999
- 1999-07-06 TW TW088111453A patent/TW420813B/en not_active IP Right Cessation
- 1999-07-15 MY MYPI99002987A patent/MY133183A/en unknown
- 1999-07-22 CN CNB991108655A patent/CN1178249C/en not_active Expired - Fee Related
- 1999-08-06 KR KR1019990032352A patent/KR100339899B1/en not_active IP Right Cessation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200031929A (en) * | 2018-09-17 | 2020-03-25 | (주)보은 | Tank heat treatment apparatus and heat treatment method using the same |
| KR102185286B1 (en) * | 2018-09-17 | 2020-12-01 | (주)보은 | Tank heat treatment apparatus and heat treatment method using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20000017155A (en) | 2000-03-25 |
| MY133183A (en) | 2007-10-31 |
| JP2000057885A (en) | 2000-02-25 |
| TW420813B (en) | 2001-02-01 |
| CN1244721A (en) | 2000-02-16 |
| KR100339899B1 (en) | 2002-06-10 |
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