CN2290916Y - Combination push-button switch - Google Patents
Combination push-button switch Download PDFInfo
- Publication number
- CN2290916Y CN2290916Y CN 96237513 CN96237513U CN2290916Y CN 2290916 Y CN2290916 Y CN 2290916Y CN 96237513 CN96237513 CN 96237513 CN 96237513 U CN96237513 U CN 96237513U CN 2290916 Y CN2290916 Y CN 2290916Y
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- CN
- China
- Prior art keywords
- movable contact
- spring
- contact sheet
- housing
- 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.)
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Abstract
The utility model relates to a combined push-button switch which overcomes the defects of poor performance of dust protection and fire protection, complicated structure and fabrication process, etc. and comprises a push-button, a tower spring, a clamping plate, a fastening plate, a fastening spring, a static contact sheet, a movable contact sheet, a casing and a casing cover. The casing and the casing cover are respectively provided with guide groove holes enabling the fastening plate to directionally move. Capable of moving up and down, the fastening plate is arranged inside a guide groove. Capable of moving back and forth inside a sliding-groove, the fastening plate is arranged between the inside of the sliding-groove and the casing cover. The casing is provided with a contact sheet fixing groove, and the static contact sheet and the movable contact sheet are all fixed inside the contact sheet fixing groove. Moving downward, the fastening plate can be abutted with the movable contact sheet so that the movable contact sheet is contacted with the static contact sheet. The utility model has the advantages of simple and compact structure, good performance of dust protection and fire protection, and simple fabrication process.
Description
The utility model relates to a kind of appliance switch, particularly the combination button switch of being made up of button, contact etc.
Edit at Zhao Weikun, China Machine Press publishes, in December, 1985 Beijing front page, " disclose keyboard switch in household appliance technological know-how handbook one book, its structure comprises button, key lever, spring, support plate, support, buckle, base plate, pressing plate, gear lock dog and contact, when pushing button, key lever in its lower section makes the buckle sidesway, block the groove of buckle and locate until this key lever, make the movable contact spring under the pressing plate connect the static contact that faces, thereby finish the closure of circuit.When pressing another button, at first be that the key lever under it promotes the buckle sidesway, make the former key lever of pressing break away from the groove of buckle and reset, this key lever blocks buckle again then, drives another movable contact spring under the corresponding pressing plate and make contact.When pressing switch general reset key, because corresponding buckle position does not have groove, the key lever below it is promoting the buckle sidesway, the former key lever of pressing is threaded off after, still by the spring original position of rebounding, this moment, all contacts all were disconnected this key itself.For preventing that pressing two retaining keys simultaneously has an accident, and is equipped with the gear locking plate on the keyboard switch.Its key lever, buckle, spring, static contact, movable contact spring etc. are installed on the retort stand, because key lever, buckle and button spring are mounted on the retort stand.Static contact and movable contact spring also will be fixed on the retort stand, and key lever, buckle and button spring are to be made of metal, be installed on the retort stand, retort stand must be reserved installing hole, static contact and movable contact spring then must be fixed on the insulation board, during assembling key lever, buckle, button spring and insulation board to be installed on one side, on one side also will bend retort stand, assembling bad caused dislocation, be easy to make button when moving up and down, to block, cause malfunctioning switch, the qualification rate that influence is produced, the combination button switch of this structure makes complex manufacturing, production efficiency is low, the production cost height.Moreover, when mounted, be also noted that static contact and movable contact spring on the insulation board, prevent that it from contacting with retort stand.In sum, because existing combination button switch has adopted the retort stand structure of open type, dust tightness is poor, the arc light that the contact is produced when break-make, cause fire easily, the contact of opening wide is subjected to dust easily, the influence of greasy dirt or other material, cause poor electric contact, bigger impurity falls into the short circuit that also can cause in the retort stand between contact and retort stand, and is perhaps that the combination button switch is stuck, because its structure, determined production technology, caused complex manufacturing, manufacturing cost is higher, with the support is example, need through opening material, blanking, roll 5 operations such as type and plating, generally be no less than 13 kinds of parts, and part processing needs 41 procedures, add assembling, need 52 procedures just can finish altogether.The punching out required precision of part is higher, the distortion of support, often relate to the relative position of support plate, key lever and buckle equalization, can influence the assembly quality and the efficiency of assembling of switch, also having support is the retort stand of metal, and static contact on it and movable contact spring must keep and its insulation, add the elastic deformation structure's of movable contact spring needs, the combination button switch must occupy certain space, otherwise will influence the electrical apparatus insulation of switch and the reliability of break-make, causes volume bigger.
The purpose of this utility model is to avoid above-mentioned weak point of the prior art, provides a kind of fully closed simple in structure, compact, and volume is little, and manufacture craft is simple, the combination button switch that electric property is safe and reliable.
For realizing the purpose of this utility model, described combination button switch; Comprise button, 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 described housing and the case lid, described clamp is arranged in the gathering sill, can move up and down, described buckle is arranged in the sliding tray of housing and between the case lid, can in sliding tray, move back and forth, on described housing, be provided with the contact holddown groove, described static contact and movable contact spring all are fixed in the contact holddown groove, described clamp moves downward, can push up movable contact spring, the contact of movable contact spring is contacted with static contact.
Described gathering sill and contact holddown groove are and are intervally arranged on housing, are provided with the insulation compression leg on described clamp, and described clamp moves downward, and the compression leg on it can push up movable contact spring.
Be provided with in described sliding tray from locking plate and can be made of some trapezoidal shape sheets, its top width is greater than the distance between two clamp upper chucks.
Described static contact and movable contact spring standing part are stepped, and the current-carrying part of movable contact spring and standing part are curved shape, and the current-carrying part of static contact is between the current-carrying part and standing part of movable contact spring.
Be provided with catching groove on described housing, correspondence is provided with the back-off hook on the case lid that is reached.
The drawing of accompanying drawing is described as follows:
Fig. 1 is a STRUCTURE DECOMPOSITION schematic diagram of the present utility model.
Fig. 2 is the compound section cutaway view of Fig. 1.
Fig. 3 is the electrical equipment catenation principle figure of Fig. 2.
Below in conjunction with accompanying drawing one of them embodiment of the utility model is described in further detail:
As shown in FIG., the utility model combination button switch has button (1), tower spring (2), clamp (3), buckle (6), button spring (8), static contact (9), movable contact spring (10), housing (7) and case lid (11), housing (7) and case lid (11) are formed by plastic injection-moulded, on housing (7), be provided with " worker " font guiding slotted eye (13) that makes clamp (3) oriented movable, on case lid (11), be provided with " ten " font guiding slotted eye (12), clamp (3) is arranged on guiding slotted eye (12), (13) in, can move up and down, on housing (7), also be provided with sliding tray (16), buckle (6) and in locking plate (5) all is arranged on the sliding tray (16) of housing (7) and between the case lid (11), case lid (11) limits buckle (6) and upper from locking plate (5), makes buckle (6) and can move back and forth in sliding tray (16) and can not skid off sliding tray (16) from locking plate (5).From locking plate (5) is some trapezoidal shape chip architectures, and how many trapezoidal shape sheets is decided on button.Guiding slotted eye (13) is and is intervally arranged on housing (7) with contact holddown groove (14), so movable contact spring (10) comes between per two clamps (3).Be provided with compression leg (4) on clamp (3), compression leg (4) is a plastic cylinder, and the one end is fixed on the clamp (3), and clamp (3) moves downward, and the compression leg on it (4) can push up movable contact spring (10), and movable contact spring is contacted with static contact.This makes the space in the housing (7) be fully utilized, and makes volume reduce to become possibility.Trapezoidal shape sheet top width is less than the distance between two clamps (3) upper chucks (15), presses simultaneously and causes the circuit more than two or two to connect simultaneously to prevent button more than two or two.Be provided with contact holddown groove (14) on housing (7), static contact (9) and movable contact spring (10) standing part are stepped, are arranged in the contact holddown groove, and step structure makes that contact can be not up and down in the contact holddown groove.The current-carrying part of movable contact spring (10) and standing part are curved shape, and the current-carrying part of static contact (9) can the current-carrying part of movable contact spring (10) and fixed part branch.And be to separate between the movable contact spring contact by air, with the movable contact spring standing part then be that wall thickness by the contact holddown groove separates.Be provided with catching groove (17) on housing (7), go up correspondence in case lid (11) and be provided with back-off hook (18), when mounted, only need case lid is pressed on housing, the back-off hook on the case lid can be buckled in the catching groove of housing, and manufacture craft is simple.
The utility model combination button switch is than prior art, have simple in structure, compact, dust tightness, anti-Bad temper is good, the simple advantage of manufacture craft.
Claims (5)
1. combination button switch, comprise button (1), tower spring (2), clamp (3), buckle (6), button spring (8), static contact (9), movable contact spring (10), it is characterized in that having a housing (7) and case lid (11), be respectively equipped with the guiding slotted eye (12) that makes clamp (3) oriented movable on described housing (7) and the case lid (11), (13), described clamp (3) is arranged on guiding slotted eye (12), (13) in, can move up and down, described buckle (6) is arranged in the sliding tray (16) of housing (7) and between the case lid (11), can in sliding tray (16), move back and forth, on described housing (7), be provided with contact holddown groove (14), described static contact (9) and movable contact spring (10) all are fixed in the contact holddown groove (14), described clamp (3) moves downward, can push up movable contact spring (10), the contact of movable contact spring (10) is contacted with static contact (9).
2. combination button switch according to claim 1, it is characterized in that described guiding slotted eye (13) and contact holddown groove (14) are is intervally arranged on housing (7), on described clamp (3), be provided with compression leg (4), described clamp (3) moves downward, and the compression leg on it (4) can push up movable contact spring (10).
3. combination button switch according to claim 1 and 2 is characterized in that being provided with in described sliding tray (16) from locking plate (5) and can be made of some trapezoidal shape sheets, and its top width is less than the distance between two clamps (3) upper chucks (15).
4. combination button switch according to claim 1 and 2, it is characterized in that static contact (9) and movable contact spring (10) standing part are stepped, the current-carrying part of movable contact spring (10) and standing part are curved shape, and the current-carrying part of static contact (9) is between the current-carrying part and standing part of movable contact spring (10).
5. combination button switch according to claim 1 and 2 is characterized in that being provided with catching groove (17) on described housing (7), go up correspondence in described case lid (11) and be provided with back-off hook (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96237513 CN2290916Y (en) | 1996-09-20 | 1996-09-20 | Combination push-button switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96237513 CN2290916Y (en) | 1996-09-20 | 1996-09-20 | Combination push-button switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2290916Y true CN2290916Y (en) | 1998-09-09 |
Family
ID=33913070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96237513 Ceased CN2290916Y (en) | 1996-09-20 | 1996-09-20 | Combination push-button switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2290916Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100440408C (en) * | 2006-01-27 | 2008-12-03 | 中山市永联电器制品有限公司 | Multi-digit shaped key switch |
| CN105185629A (en) * | 2015-09-19 | 2015-12-23 | 中山市名迪电器有限公司 | Key switch |
| CN108597932A (en) * | 2018-06-07 | 2018-09-28 | 浙江慧居智能家居有限公司 | A kind of switch panel |
-
1996
- 1996-09-20 CN CN 96237513 patent/CN2290916Y/en not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100440408C (en) * | 2006-01-27 | 2008-12-03 | 中山市永联电器制品有限公司 | Multi-digit shaped key switch |
| CN105185629A (en) * | 2015-09-19 | 2015-12-23 | 中山市名迪电器有限公司 | Key switch |
| CN108597932A (en) * | 2018-06-07 | 2018-09-28 | 浙江慧居智能家居有限公司 | A kind of switch panel |
| CN108597932B (en) * | 2018-06-07 | 2024-04-09 | 浙江慧居智能家居有限公司 | Switch panel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C35 | Partial or whole invalidation of patent or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20000704 Decision number of declaring invalidation: 2266 |