CN100440408C - Multi-digit shaped key switch - Google Patents
Multi-digit shaped key switch Download PDFInfo
- Publication number
- CN100440408C CN100440408C CNB200610033340XA CN200610033340A CN100440408C CN 100440408 C CN100440408 C CN 100440408C CN B200610033340X A CNB200610033340X A CN B200610033340XA CN 200610033340 A CN200610033340 A CN 200610033340A CN 100440408 C CN100440408 C CN 100440408C
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- button
- buckle
- interlocking
- assembly
- movable contact
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Abstract
The present invention relates to a special-shaped key switch with a plurality of positions, which belongs to the technical field of electric switches. The present invention solves the problem that because all the keys are arranged in a line in the prior art, the arrangement of the keys is longer when more keys exist. The special-shaped key switch with a plurality of positions comprises a casing (1) and a buckle plate (2) which can slide and is arranged in the casing (1), wherein a buckle plate spring (3) is arranged between the buckle plate (2) and the casing (1), and interlocking keys (4) are arranged on both sides of the buckle plate (2); clipping arms (5) which extend towards the buckle plate (2) are arranged on the interlocking keys (4), and buckle hooks (6) which can hook the clipping arms (5) are arranged on the buckle plate (2); a fixed contact piece (7) which is bent and positioned on both sides of the buckle plate (2) is arranged in the casing (1); a movable interlocking contact piece (8) which is isolated from the fixed contact piece (7) is arranged on both sides of the buckle plate (2) and corresponds to the interlocking keys (4); compression legs (9) which can butt on the movable interlocking contact piece (8) and cause the movable interlocking contact piece (8) to contact the fixed contact piece (7) after pressed are arranged on the interlocking keys (4); key springs (10) which can eject the interlocking keys (4) are arranged between the interlocking keys (4) and the casing (1). The interlocking keys can form ring distribution on the casing, which shortens the switch.
Description
Technical field
The invention belongs to the electric switch technical field, is a kind of multi-digit shaped key switch with housing, buckle, spring, button.
Background technology
In Chinese patent literature, the patent No. is 96237513.6, name is called have been introduced a kind of combination button switch and has comprised button in the utility model patent specification that makes up multi-digit shaped key switch, the tower spring, clamp, buckle, the button spring, static contact, movable contact spring, housing and case lid, be respectively equipped with the guiding slotted eye that makes the clamp oriented movable on housing and the case lid, clamp is arranged in the gathering sill, can move up and down, buckle is arranged in the sliding tray of housing and between the case lid, can in sliding tray, move back and forth, on housing, be provided with the contact holddown groove, static contact and movable contact spring all are fixed in the contact holddown groove, clamp moves downward, can push up movable contact spring, the contact of movable contact spring is contacted with static contact.The structure of this switch is that button all is arranged on the case lid, and the same side of buckle in housing, all buttons are a word and arrange, button is many more, and it is also just long more that button is arranged, and is installed on the electric equipment products, will certainly occupy long space, when some need install this class switch, can be longer because of the overall dimension of switch, have influence on the configuration design of product.
Summary of the invention
The object of the present invention is to provide a kind of button to distribute, make button be convenient to be designed to the multi-digit shaped key switch of annular arrangement in the buckle both sides.
For realizing purpose of the present invention, described multi-digit shaped key switch, comprise shell, be arranged on the buckle that can slide in the shell, be provided with the buckle spring between buckle and the shell, be provided with the interlocking button in described buckle both sides, described interlocking button is provided with the card arm that extends to buckle, described buckle is provided with the button hook that can catch on the card arm, be provided with the static contact that bending places the buckle both sides in the shell, both sides at buckle are provided with the interlocking movable contact spring that keeps isolation with static contact corresponding to the interlocking key position, can withstand on after the interlocking button is provided with and presses and make its compression leg that contacts with static contact on the interlocking movable contact spring, be provided with between interlocking button and the shell make that the interlocking button upsprings by key spring.
Because the interlocking button is distributed in the both sides of buckle, the card arm of the interlocking button of both sides all extends to buckle, and buckle is provided with the button hook that can catch on the card arm.Whenever there being an interlocking button to be pressed, button hook promptly can catch on the card arm of interlocking button, and at this moment, the compression leg of interlocking button can be oppressed the interlocking movable contact spring, makes the interlocking movable contact spring that keeps isolating with static contact touch static contact, realizes being electrically connected.When pushing another one interlocking button again, can drive buckle equally and oppress the buckle spring, at this moment, the card arm of the interlocking button that was pressed originally and button hook break away from, the elastic force effect of pressing key spring in interlocking is the spring-go position next time, and its corresponding interlocking movable contact spring separates with static contact, and this switch disconnects.If the rest may be inferred, as required, can be provided with in individual interlocking button.The interlocking button can form circular, oval on housing, the annular spread of square grade, and this arrangement can shorten the length of switch greatly, is convenient to design on the profile of electric equipment products.
Description of drawings
The drawing of accompanying drawing is described as follows:
Fig. 1 is the multi-digit shaped key switch stereogram with 4 buttons.
Fig. 2 is the multi-digit shaped key switch installation diagram with 4 buttons.
Fig. 3 is the rear view of Fig. 1.
Fig. 4 is the vertical view of Fig. 1.
Fig. 5 is the A-A cutaway view of Fig. 4.
Fig. 6 is the multi-digit shaped key switch stereogram with 5 buttons.
Fig. 7 is the multi-digit shaped key switch installation diagram with 5 buttons.
Fig. 8 is the rear view of Fig. 4.
Fig. 9,10,11 removes the inside three-dimensional structure diagram of the housing after the case lid after being assembled together for Fig. 7.
Figure 12 is the multi-digit shaped key switch vertical view of 5 buttons.
Figure 13 is the B-B cutaway view of Figure 12.
Figure 14 is used for the circuit diagram of electric fan for multi-digit shaped key switch of the present invention.
Figure 15 is the thread tension disc schematic diagram.
Figure 16 is the left view of Figure 15.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of multi-digit shaped key switch of the present invention is described in further detail:
Multi-digit shaped key switch of the present invention comprises shell 1, buckle 2, buckle spring 3, interlocking button 4, card arm 5, button hook 6, static contact 7, interlocking movable contact spring 8, compression leg 9 is pressed key spring 10, in the draw-in groove 11, breach 12, from locking plate 13, singly-bound switch 14, interlock plate 15, top flat 16, interlock plate top 17, interlock plate movable contact spring 18, button assembly 19, assembly compression leg 20, assembly movable contact spring 21.
As shown in Fig. 1,2,3,4,5, described shell 1 comprises housing 23 ' and case lid 23, by injection molding.Housing 23 ' and case lid 23 on be provided with pilot hole 27,26.Interlocking button 4 places pilot hole 27,26, can slide up and down in shell 1.Described interlocking button 4 and buckle 2 are made by sheet metal, and buckle 2 is provided with three button hooks 6, the one end be provided with the housing 23 that acts on shell 1 ' on buckle spring 3, buckle spring 3 is enclosed within on the buckle 2 extended extensions.Each button hook 6 is provided with an inclined-plane 24, position on the inclined-plane 24 of button hook 6 is provided with the card arm 5 that is extended out by interlocking button 4, so that interlocking button 4 is when being pressed, card arm 5 can withstand on the inclined-plane 24, buckle 2 is slided to a side, will compress buckle spring 3.
Housing 23 ' in be provided with 3 interlocking movable contact springs 8 and 1 static contact 7.Static contact 7 is bending, is centered around the both sides of buckle 2, and under the normality situation, interlocking movable contact spring 8 keeps isolation with static contact 7.When interlocking button 4 depress to pass through button hook 6 fully after, buckle spring 3 after buckle 2 is compressed oppositely pushes up back original position, card arm 5 is caught on by button hook 6, make the interlocking button 4 can't resilience, the compression leg 9 of interlocking this moment button 4 is oppressed interlocking movable contact spring 8, tool is contacted with static contact 7, form the closure of a switch.When pressing another interlocking button 4 again, can make the switch closure of these interlocking button 4 correspondences equally, original interlocking button 4 pairing switches then disconnect.The interlocking button 4 of corresponding interlocking movable contact spring 8 is a switch key.
Described buckle 2 is arranged in the draw-in groove 11 at shell 1 middle part, and buckle 2 can orientation be slided in draw-in groove 11.
Described buckle 2 is provided with a hypotenuse lug boss 28, is not have with button hook 6 differences and colludes.When its corresponding reset key 25 is pressed, the interlocking button 4 that originally was pressed will be reset, and this reset key 25 also will reset after losing pressing force because hypotenuse lug boss 28 does not have to be colluded, and become total pass reset key 25.
As shown in Fig. 6,7,8,9,10,11,12,13, this is a multi-digit shaped key switch with 5 buttons, with above-mentioned to have 4 be that described total pass reset key 25 is arranged on the centre position by strong multi-digit shaped key switch difference.Be provided with the singly-bound switch 14 that is serially connected with on the interlock plate movable contact spring 18 in the described shell 1.Described singly-bound switch 14 comprises button assembly 19, the assembly movable contact spring 21 and assembly fixed touching plate 22 that is arranged in the shell 1.Button assembly 19 is pressed for the first time, can self-locking fasten, and is pressed once more, then can resilience reset.Be provided with assembly compression leg 20 on button assembly 19, assembly compression leg 20 can touch assembly movable contact spring 21, and assembly movable contact spring 21 is contacted with assembly fixed touching plate 22.After button assembly 19 was pressed for the first time, assembly compression leg 20 promoted assembly movable contact spring 21, and assembly movable contact spring 21 is contacted with assembly fixed touching plate 22, and the pressing keys assembly 19 once more, and assembly compression leg 20 resets thereupon, and assembly movable contact spring 21 separates with assembly fixed touching plate 22.
Described buckle 2 sides also are provided with the interlock plate 15 that passes on the buckle spring 3, also are provided with extension on the interlock plate 15, can insert to be enclosed within the buckle spring 3.Be provided with top flat 16 at interlock plate 15 corresponding button hooks 6 positions, what the forward position of top flat 16 was in button hook 6 colludes the groove position.Be provided with the interlock plate movable contact spring 18 of isolating in the shell 1, on interlock plate 15, be provided with and push up interlock plate movable contact spring 18, the interlock plate top 17 that interlock plate movable contact spring 18 is contacted with static contact 7 with static contact 7 maintenances.So whenever an interlocking button 4 is pressed, 5 on the card arm on it can promote buckle 2 and interlock plate 15 moves to buckle spring 3 directions.When the card arm 5 be pressed into enter button hook 6 collude groove the time, buckle 2 resilience under the elastic force effect of buckle spring 3, button hook 6 on it will block arm 5 and catch on, and interlock plate 15 then maintenance heads into to buckle spring 3 directions, and interlock plate movable contact spring 18 is kept in touch with static contact 7.So each interlocking button 4 is pressed, interlock plate movable contact spring 18 is kept in touch with static contact 7, and the interlocking button 4 disengaging button hooks 6 that before had been pressed are resetted.
Described singly-bound switch 14 its assembly fixed touching plates 22 and interlock plate movable contact spring 18 are that being communicated with of the realization electricity that contacts is set in shell 1.When certain interlocking button 4 is pressed when catching on, interlock plate movable contact spring 18 contacts with static contact 7, the effect that singly-bound switch 14 just has break-make to control, and promptly 4 pairs of singly-bound switches 14 of interlocking button have the electrical interlock effect.
As shown in Fig. 1～13, described buckle 2 other and be provided be between the adjacent button hook 6 from locking plate 13.The two ends that are in adjacent button hook 6 from locking plate 13 are the hypotenuse shape, after one of them interlocking button 4 at first is pressed, a hypotenuse from locking plate 13 is then withstood by card arm 5, make from locking plate 13 and move to other limit, at this moment, as long as keep the interlocking button 4 at first be pressed motionless, then adjacent interlocking button 4 is again by downwards on time, can't press and catch on the position from the keeping out of another hypotenuse of locking plate 13 being subjected to.When the described downward active force of cancellation, when pushing another one interlocking button 4 again, its card arm 5 same buckles 2 that drive slide to buckle spring 3 one sides, the card arm 5 of the interlocking button 4 that at first making originally was pressed catches on breaks away from button hook 6, and in the elastic force effect of pressing key spring 10 spring-go position next time, the hypotenuse of having eliminated simultaneously from locking plate 13 stops that second interlocking button 4 that is pressed just can continue down to move, and enters colluding of button hook 6 on the buckle 2 until its card arm 5 and is caught on the location in the groove.Because the effect from locking plate 13 can realize electrical interlocks between the interlocking button 4.Be provided with thread tension disc 29 at static contact 7, interlocking movable contact spring 8 and assembly movable contact spring 21 places, thread tension disc 29 be arranged on housing 23 ' plug wire hole in so that link to each other with power outlet.As shown in Figure 15,16, thread tension disc 29 is made shape structure by sheet metal, suppress on static contact 7, interlocking movable contact spring 8 and assembly movable contact spring 21 its hook part, the hook part is provided with some pointed tooths, so that inserting the back, power outlet lived by overhead kick, to prevent that power outlet from coming off, has the firm advantage of structure.During use, as shown in Figure 14, reactance L1, L2, the L3 of different parameters be connected in the plug wire hole be connected with thread tension disc 29, motor M is serially connected on the assembly contact and gets final product.
Claims (8)
1. multi-digit shaped key switch, comprise shell (1), be arranged on the buckle (2) that can slide in the shell (1), be provided with buckle spring (3) between buckle (2) and the shell (1), it is characterized in that being provided with interlocking button (4) in described buckle (2) both sides, described interlocking button (4) is provided with the card arm (5) that extends to buckle (2), described buckle (2) is provided with the button hook (6) that can catch on card arm (5), be provided with the static contact (7) that bending places buckle (2) both sides in the shell (1), both sides at buckle (2) are provided with the interlocking movable contact spring (8) that keeps isolation with static contact (7) corresponding to interlocking button (4) position, can withstand on after interlocking button (4) is provided with and presses and make its compression leg (9) that contacts with static contact (7) on the interlocking movable contact spring (8), be provided with between interlocking button (4) and the shell (1) make that interlocking button (4) upsprings by key spring (10).
2. multi-digit shaped key switch according to claim 1 is characterized in that described buckle (2) is arranged in the draw-in groove (11) at shell (1) middle part.
3. multi-digit shaped key switch according to claim 2 is characterized in that described draw-in groove (11) goes up reciprocal arm (5) position and be provided with the breach (12) that can ccontaining card arm (5) enters downwards.
4. according to claim 1,2 or 3 described multi-digit shaped key switchs, it is characterized in that described buckle (2) is other and be provided be between the adjacent button hook (6) from locking plate (13).
5. according to claim 1,2 or 3 described multi-digit shaped key switchs, it is characterized in that described buckle (2) is other and be provided with the interlock plate (15) that passes on the buckle spring (3), be provided with top flat (16) at the interlock corresponding button hook of plate (15) (6) position, what the forward position of top flat (16) was in button hook (6) colludes the groove position, the card arm (5) of interlocking button (4) is when being pressed, card arm (5) can withstand on button hook (6) and the top flat (16), buckle (2) and interlock plate (15) are slided, be provided with the interlock plate movable contact spring (18) that keeps isolation with static contact (7) in the shell (1), on interlock plate (15), be provided with and push up interlock plate movable contact spring (18), the interlock plate top (17) that interlock plate movable contact spring (18) is contacted with static contact (7).
6. multi-digit shaped key switch according to claim 5 is characterized in that being provided with in the described shell (1) the singly-bound switch (14) that is serially connected with on the interlock plate movable contact spring (18).
7. multi-digit shaped key switch according to claim 6, it is characterized in that described singly-bound switch (14) comprises the button assembly (19) that is arranged in the shell (1), on button assembly (19), be provided with assembly compression leg (20), assembly compression leg (20) can touch the assembly movable contact spring (21) that is installed on the shell (1), and assembly movable contact spring (21) is contacted with assembly fixed touching plate (22).
8. multi-digit shaped key switch according to claim 5, it is characterized in that being provided with in the described shell (1) button assembly (19), on button assembly (19), be provided with assembly compression leg (20), assembly compression leg (20) can touch by static contact (7) and extend the interlock plate movable contact spring (18) of coming, and assembly movable contact spring (21) is contacted with assembly fixed touching plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610033340XA CN100440408C (en) | 2006-01-27 | 2006-01-27 | Multi-digit shaped key switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610033340XA CN100440408C (en) | 2006-01-27 | 2006-01-27 | Multi-digit shaped key switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1808653A CN1808653A (en) | 2006-07-26 |
| CN100440408C true CN100440408C (en) | 2008-12-03 |
Family
ID=36840481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200610033340XA Expired - Fee Related CN100440408C (en) | 2006-01-27 | 2006-01-27 | Multi-digit shaped key switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100440408C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105185629A (en) * | 2015-09-19 | 2015-12-23 | 中山市名迪电器有限公司 | Key switch |
| CN106128832B (en) * | 2016-08-26 | 2018-02-23 | 江门市江海区柏健电器制造有限公司 | A kind of circular key switch |
| CN106298323A (en) * | 2016-08-26 | 2017-01-04 | 江门市江海区柏健电器制造有限公司 | A kind of circular key switch housing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0426020A (en) * | 1990-05-18 | 1992-01-29 | Hajime Ito | Multiple push-button switch |
| US5646382A (en) * | 1994-08-18 | 1997-07-08 | Kasuga Denki Kabushiki Kaisha | Multiple push button switch assembly with multistage actuator interlock |
| CN2290916Y (en) * | 1996-09-20 | 1998-09-09 | 中山市永联电器制品厂 | Combination push-button switch |
| CN1494098A (en) * | 2002-08-08 | 2004-05-05 | Trw | Multi function push button switch |
| CN2678096Y (en) * | 2003-12-12 | 2005-02-09 | 李富雄 | Control structure of switch movable chip |
-
2006
- 2006-01-27 CN CNB200610033340XA patent/CN100440408C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0426020A (en) * | 1990-05-18 | 1992-01-29 | Hajime Ito | Multiple push-button switch |
| US5646382A (en) * | 1994-08-18 | 1997-07-08 | Kasuga Denki Kabushiki Kaisha | Multiple push button switch assembly with multistage actuator interlock |
| CN2290916Y (en) * | 1996-09-20 | 1998-09-09 | 中山市永联电器制品厂 | Combination push-button switch |
| CN1494098A (en) * | 2002-08-08 | 2004-05-05 | Trw | Multi function push button switch |
| CN2678096Y (en) * | 2003-12-12 | 2005-02-09 | 李富雄 | Control structure of switch movable chip |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1808653A (en) | 2006-07-26 |
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| 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 |