CN1123897C - Push switch - Google Patents
Push switch Download PDFInfo
- Publication number
- CN1123897C CN1123897C CN96109254A CN96109254A CN1123897C CN 1123897 C CN1123897 C CN 1123897C CN 96109254 A CN96109254 A CN 96109254A CN 96109254 A CN96109254 A CN 96109254A CN 1123897 C CN1123897 C CN 1123897C
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- China
- Prior art keywords
- contact
- retainer
- button
- pole
- contact spring
- 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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- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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- Push-Button Switches (AREA)
Abstract
The present invention relates to a button switch. Parts of the button switch has the advantages of simple structure and small quantity, and therefore, the present invention has the characteristics of subminiaturization, high performance and long service life. A contact spring element is integrally installed on spring retainer so as to form a contact spring with a retainer, and the contact spring with a retainer is installed in a box body through a support frame, so that an upward elastic force of the contact spring enables a contact and a pressure point of the spring element to respectively contact with a fixed contact and the inner surface of a bottom plate of the box body since the contact and the pressure point of the spring element are pressed, and an extension arm of the spring retainer pushes upwards so as to push the button to a stop position.
Description
Technical field
The present invention relates to a kind of push-button switch, particularly a kind of closed type push-button switch, the on-off operation of this switch is undertaken by pressing with release button.
In addition, the invention provides a kind of super pocket or pocket buttons switch, this switch is put into size only the small-sized box body that 6mm is long, 12mm is wide, 9mm is high.For this purpose, simple in structure and be processed into an inverted gamma shape with one in the present invention with the spring leaf that precision process is made
The contact spring element integrally is installed in element in one retainer, and a contact spring that has a retainer is provided thus.
Background technology
Traditional closed type button can not be taken into account simultaneously and satisfy to function with to the requirement of economy.Particularly, when the low cost of manufacture of button, its function can't be satisfactory; If it is manufactured when having gratifying function, it is involved great expense.In addition, the traditional difference of button on precision and performance is increasing.Therefore, it is desirable to very much develop a kind of closed type push-button switch, so that the circuit that is opposite in the electronic installation (as FD, DAT or similar device) by the operation of pressing and unclamp a button carries out the on-off operation, the volume of this switch is very little, the size of its length is between 5～10mm, and cheap, durable (even under long-term frequent situation about using, also being like this), and have good switch performance.
Particularly, as mentioned above owing to require the button subminaturization, therefore, because of press with release button make switch carry out the stroke of on-off operation or mobile contact extremely the spacing of fixed contact be set to 1mm or littler, for example about 0.5mm.Therefore, require the variation of stroke to be limited to ± 0.2mm or littler.Yet the mobile contact of traditional push-button switch only is to put into switch enclosure with spring material (for example with spring leaf or spring wire) again by bending forming.The foozle of conventional button switch increases day by day, therefore can't satisfy above-mentioned dimensional requirement.
The present invention is by making after the above-mentioned shortcoming of considering the prior art existence.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of push-button switch, this switch has subminaturization, and cost of manufacture is cheap.
Another object of the present invention provides a kind of push-button switch, and this switch can remain on precision and the performance and not change.
A further object of the present invention provides a kind of push-button switch, and this switch has gratifying long-term useful life.
A further object of the invention provides a kind of push-button switch, and this switch can strengthen switch performance.
According to the invention provides a kind of push-button switch.This switch comprises a box body, and this box body has a top board and a base plate, and fixed contact is installed on the base plate, also has a contact spring that has retainer in the box body.The contact spring that has retainer comprises a contact spring element, a spring retainer and a unidirectional button.The contact spring element is processed to inverted gamma shape
, it comprises a head and a pair of pole, this from the head two ends stretches out towards relative oblique below respectively pole.The end of one of them pole is processed to a contact, and the end of another pole is made a pressure point.
Spring retainer comprises pair of side plates, make them form a groove by settling this to side plate, and the head of contact spring element is assemblied in wherein.
Side plate is installed on the back shaft, and stretches out thus.Rear portion in the first half of spring retainer has a cantilever arm.Button is processed to a stub shape, is equipped with a retainer in its underpart.In addition, button is placed on the top board of box body, and it can vertically be slided.The contact spring that has retainer is installed in the box body, and it can be rotated round back shaft, thereby the pressure point that the elasticity by the contact spring element makes the contact of a pole and another pole because of pressurized respectively with box plate on fixed contact and the inner surface of base plate contact, and the end of cantilever arm is contacted because of the lower surface of pressurized with the retainer of button, thereby button is remained on it is on the high-order stop position.
In addition, according to the present invention, provide a double-throw push-button switch.The double-throw push-button switch comprises a rectangular box, one fixed contact is arranged on the base plate in box body, respectively with two buttons of a retainer, with two contact springs that have retainer that are arranged in the box, this two contact spring is symmetrical in a central plate setting that is inserted between them in rotating mode.The contact spring that has retainer comprises a contact and a pressure point separately, contact and pressure point usually respectively with base plate on fixed contact and inner surface keep in touch.In addition, each contact spring that has retainer includes a cantilever arm, and this cantilever arm contacts with the lower surface of the retainer of each button because of pressurized makes its end.
Description of drawings
All purposes of the present invention and many advantages are carried out following more detailed description by the reference accompanying drawing and are shown, wherein:
Fig. 1 is the front view that has part section, and an embodiment according to a push-button switch of the present invention is shown;
Fig. 2 is the plane graph of button shown in Figure 1;
Fig. 3 is the front view that has part section that is shown in the push-button switch of Fig. 1, and wherein, button is pressed;
Fig. 4 is the front view that has the contact spring of retainer;
Fig. 5 A to Fig. 5 D is respectively front view, plane graph, bottom view and the right view of contact spring element;
Fig. 6 A to Fig. 6 E is respectively front view, plane graph, bottom view, rearview and the right view of spring retainer;
Fig. 7 A to Fig. 7 C is respectively front view, plane graph and the left view of button.
Embodiment
Describe below with reference to accompanying drawings according to push-button switch of the present invention.
Fig. 1 to Fig. 7 C illustrates an embodiment according to push-button switch of the present invention.The push-button switch of illustrated embodiment generally includes a box body 10 and is contained in the contact spring that has retainer 50 in the box body 10.Contact spring 50 generally includes contact spring element 7, spring retainer 4 and unidirectional button 9.Contact spring element 7 is processed to an inverted gamma shape usually
, it comprises a head 7a and a pair of pole part 7b and 7c, this to pole respectively from the head the two ends of 7a stretch out towards relative oblique below.The end of pole 7b and 7c is processed to contact 5 and pressure point 6 respectively.Spring retainer 4 comprises a pair of horizontal or side direction plate, and this two boards has been determined a groove 2, and the head 7a of contact spring element 7 is placed in this groove.Side plate is installed on the back shaft 1, and stretches out thus, at the rear portion of the first half of spring retainer 4 cantilever arm 3 is housed.
The contact spring 50 that has retainer is installed in the box body 10, and it can be rotated around back shaft 1, thereby the pressure point 6 that the elasticity by contact spring element 7 makes the contact 5 of pole 7b and pole 7c contacts with fixed contact 12 and base plate 14 inner surfaces on base plate 14 inner surfaces that are arranged in box body 10 respectively because of pressurized, and the end of cantilever arm 3 is contacted because of the lower surface of pressure with the retainer 8 of button 9, thereby button 9 is remained on it is on the high-order stop position 13.
The foregoing description comprises a button and a contact spring that has retainer, thereby forms single loop/single contact structure.Yet the present invention is not limited in such structure.
Below equally second embodiment according to button of the present invention described referring to figs. 1 through Fig. 7 c.
The button of second embodiment is processed to double-throw formula structure, for example loop/two contact structure or two loop/two contact structures, and this is a kind of have two buttons and two contact spring structures that have retainer.
More particularly, the push-button switch of described embodiment comprises two contact springs 50 that have retainer, they are placed in the rectangular box 10, and be symmetricly set on the both sides of central plate 15, that is to say that central plate 15 is inserted in the middle of two contact springs that have a retainer, thereby the contact 5 and the pressure point 6 of the contact spring element 7 of each spring 50 are contacted respectively with the fixed contact 12 and the inner surface of base plate 14 because of pressurized, and the cantilever arm 3 of the spring retainer 4 of each spring 50 contacts because of the lower surface of pressurized with the retainer 8 of each button 9 as shown in Figure 2.
As mentioned above, in push-button switch of the present invention, the contact spring element 7 that has the contact spring 50 of retainer is processed to inverted gamma shape
, the pole 7b by press contacts spring element 7 also overcomes the elasticity of pole 7b and spring element 7 is assembled in the groove 2 of spring retainer 4.In addition, the contact spring 50 that has retainer is positioned in the box body 10, so that it can rotate the pole 7b and the 7c (especially pole 7c) of simultaneously downward press contacts spring element 7 around back shaft 1.
Therefore, in the present invention, the contact 5 of contact spring element 7 contacts with fixed contact 12 because of pressurized, and an elastic force that makes progress is provided, so that switch is a normally closed type, circuit is normally connected as a result.In addition, pressure point 6 contacts because of the inner surface of pressurized with base plate 14, and cantilever arm 3 is subjected to power upwards, thereby it is rotated round back shaft 1.This makes the retainer 8 of button 9 upwards be shifted onto stop position 13 places, thereby makes the end of button 9 keep the state that protrudes upward from top board 11 as shown in Figure 1.
After this when button 9 is subjected to downward pressure, the retainer 8 of button 9 will have the cantilever arm 3 of contact spring 50 of retainer to pressing down, so that spring retainer 4 can rotate round back shaft 1.This moves up the pole 7b of contact spring element 7, and then contact 5 is moved up and can separate with fixed contact 12.This makes push-button switch disconnect.
As mentioned above, push-button switch of the present invention allows by contact 5 and fixed contact 12 are separated, and the distance that button down moves only can be finished this action effectively for 0.5mm.Therefore, further increase distance between contact 5 and the fixed contact 12 only as shown in Figure 3 to push button 9.
After this, when removing pressure release button 9, the elastic force that makes progress that contact spring element 7 is accumulated makes contact 5 contact with fixed contact 12 because of being under pressure, cantilever arm 3 is upwards shifted button 9 onto stop position 13 places as a result, thereby make push-button switch turn back to initial position or normally off, therefore circuit is connected.
From above as can be seen, the formation of push-button switch of the present invention can make the contact spring (wherein the contact spring element integrally is installed in the spring retainer) that has retainer rotate round back shaft, the elastic force that makes progress of contact spring makes the contact of contact spring element contact with inner surface with the fixed contact of base plate respectively because of stressed with pressure point as a result, and makes cantilever arm upwards button is pushed into stop position.This structure of the present invention makes the assembly of switch or modular construction is simplified and number of components reduces, and the results button switch has subminaturization, high-performance and durable.
The contact spring that particularly has a retainer wherein contact spring element integrally is installed in by compression in the spring retainer, packs in the box body by further compression contact spring element.This makes the contact contact with fixed contact because of stressed, this is because the contact spring element provides constant elasticity reserve, in addition, because of their polishings on surface are separately guaranteed in the friction between contact and the fixed contact, thereby make the circuit between them connect satisfactory.This has eliminated vibrations and the decline slightly by button effectively and makes spring retainer center on back shaft to rotate and the contact separated with fixed contact make switch cut off circuit immediately in other words in addition.
In addition, the invention a kind of structure be the push-button switch of the basic single loop/single contact structure of a button, also created double-throw formula structure, for example loop/two contact structure, two loops/two contact structures or similar structures, this class formation has two buttons and two contact springs that have retainer, and it has small size and simple in structure.
Most preferred embodiment of the present invention has been carried out the description of certain specific degrees with reference to accompanying drawing, can significantly change and be out of shape it according to above-mentioned technology, therefore, be to be understood that and realize that within the scope of the claims the present invention is not limited in above-mentioned certain illustrated.
Claims (2)
1, a kind of push-button switch, this push-button switch comprises:
A box body, this box body have a top board and a base plate, and base plate is provided with a fixed contact; With
A contact spring that has retainer that is installed in the described box body;
The described contact spring that has retainer comprises a contact spring element, a spring retainer and a unidirectional button;
Described button is a stub shape, is equipped with a retainer in its underpart;
Described button is arranged on the top board of described box body, and it can vertically be slided; It is characterized in that:
Described contact spring element is an inverted gamma shape
, it comprises a head and a pair of pole, this from the head two ends stretches out towards relative oblique below respectively pole;
This end to one of them pole of pole is processed to a contact;
This end to another pole of pole is processed to a pressure point;
Described spring retainer comprises pair of side plates, and this is to groove of formation between the side plate, and the head of described contact spring element is assemblied in the described groove;
Described side plate is installed on the back shaft, and stretches out thus;
The rear portion of the first half of described spring retainer has a cantilever arm;
The described contact spring that has retainer is installed in the described box body, and it can be rotated round described back shaft, thereby the described pressure point that the elasticity by described contact spring element makes the contact of a described pole and another pole because of pressurized respectively with described box plate on fixed contact and the inner surface of described base plate contact, and the end of described cantilever arm is contacted because of the lower surface of pressurized with the retainer of described button, thereby described button is remained on it is on the high-order stop position.
2, a kind of double-throw push-button switch, this double-throw push-button switch comprises:
A rectangular box, it has a top board and a base plate, is equipped with a fixed contact on base plate;
Two contact springs that have retainer that are installed in the described box body;
Each described contact spring that has retainer comprises a contact spring element, a spring retainer and a unidirectional button;
Described button is a stub shape, is equipped with retainer in its underpart;
Described button is arranged on the top board of described box body, and it can vertically be slided; It is characterized in that:
Each described contact spring element is inverted gamma shape
, it comprises a head and a pair of pole, this from the head two ends stretches out towards relative oblique below respectively pole;
This end to one of them pole of pole is processed to a contact;
This end to another pole of pole is processed to a pressure point;
Each described spring retainer comprises pair of side plates, and this is to groove of formation between the side plate, and the head of described contact spring element is assemblied in the described groove;
Described side plate is installed on the back shaft, and stretches out thus;
The rear portion of the first half of each described spring retainer has a cantilever arm;
Each described contact spring that has retainer is installed in the described box body, and it can be rotated round described back shaft, thereby the described pressure point that the elasticity by described contact spring element makes the contact of a described pole and another pole because of pressurized respectively with described box plate on fixed contact and the inner surface of described base plate contact, and the end of described cantilever arm is contacted because of the lower surface of pressurized with the retainer of described button, thereby described button is remained on it is on the high-order stop position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96109254A CN1123897C (en) | 1996-07-31 | 1996-07-31 | Push switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96109254A CN1123897C (en) | 1996-07-31 | 1996-07-31 | Push switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1172334A CN1172334A (en) | 1998-02-04 |
| CN1123897C true CN1123897C (en) | 2003-10-08 |
Family
ID=5120318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96109254A Expired - Fee Related CN1123897C (en) | 1996-07-31 | 1996-07-31 | Push switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1123897C (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5278370A (en) * | 1991-07-13 | 1994-01-11 | Mitsuku Denshi Kogyo Kabushiki Kaisha | Push switch |
| CN1089753A (en) * | 1993-01-13 | 1994-07-20 | 美格电子工业株式会社 | Push switch |
| JPH07249344A (en) * | 1994-03-10 | 1995-09-26 | Mic Electron Co | Push switch |
-
1996
- 1996-07-31 CN CN96109254A patent/CN1123897C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5278370A (en) * | 1991-07-13 | 1994-01-11 | Mitsuku Denshi Kogyo Kabushiki Kaisha | Push switch |
| CN1089753A (en) * | 1993-01-13 | 1994-07-20 | 美格电子工业株式会社 | Push switch |
| JPH07249344A (en) * | 1994-03-10 | 1995-09-26 | Mic Electron Co | Push switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1172334A (en) | 1998-02-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |