CN203218148U - Microswitch - Google Patents
Microswitch Download PDFInfo
- Publication number
- CN203218148U CN203218148U CN 201320242102 CN201320242102U CN203218148U CN 203218148 U CN203218148 U CN 203218148U CN 201320242102 CN201320242102 CN 201320242102 CN 201320242102 U CN201320242102 U CN 201320242102U CN 203218148 U CN203218148 U CN 203218148U
- Authority
- CN
- China
- Prior art keywords
- housing
- brace
- swing sheet
- static contact
- moving plate
- 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 - Lifetime
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Abstract
The utility model relates to a microswitch, comprising a housing. The housing is provided with a normally-open static contact-piece, a normally-closed static contact-piece and a connector, which stretch out of the housing and are used as a normally-open terminal, a normally-closed terminal and a coupling terminal; the housing is provided with a movable sheet and a swing sheet, which are mutually linked and electrically connected with the connector; the end unlinked with the swing sheet of the movable sheet is arranged correspondingly to the normally-open static contact-piece and the normally-closed static contact-piece; a driving block is in driving arrangement on one end of the swing sheet, and the other end of the swing sheet is installed on the wall of the housing; and the wall of the housing is provided with a first arc chute for wobbling of the swing sheet. Employing the above scheme, the utility model provides a microswitch with long service life.
Description
Technical field
The utility model relates to a kind of switch, is specifically related to a kind of sensitive switch.
Background technology
Sensitive switch is to have small contact separation and fast actuation mechanism, and the contact mechanism with the power of prescribed stroke and regulation is carried out the switch action covers with shell, there is a kind of switch of drive rod its outside, because the contact spacing of its switch is smaller, so the name sensitive switch is sensitive switch again.Outer mechanical force is used for the action reed by actuated element with masterpiece, produces instantaneous operation when the action reed is displaced to critical point, and moving contact and the fixed contact of action reed end are switched on or switched off fast.
Traditional sensitive switch comprises housing, be provided with movable contact spring in the housing, often open static contact, normally closed static contact and brace, housing is outside equipped with respectively and often opens static contact, Chang Kaiduan that normally closed static contact and brace are electrically connected, normally closed terminal and splicing ear, be linkedly set with the drive block that passes housing on the movable contact spring, in real work, movable contact spring is opened static contact as the rubber-like STATEMENT OF FEDERALLY SPONSORED always often, switch between the normally closed static contact, movable contact spring is because properties of materials elastic fatigue in addition own, cause movable contact spring not long as the life-span of the sensitive switch of STATEMENT OF FEDERALLY SPONSORED, on the high equipment of some switching frequencies, just need often maintenance or change.
Summary of the invention
At the deficiency that prior art exists, the purpose of this utility model is to provide a kind of sensitive switch of long service life.
For achieving the above object, the utility model provides following technical scheme: comprise housing, described housing is provided with often opens static contact, normally closed static contact and brace, the described static contact of often opening, it is outer as Chang Kaiduan that normally closed static contact and brace stretch out housing, normally closed terminal and splicing ear, it is characterized in that: but the moving plate and the swing sheet that are provided with mutual interlock in the described housing and are electrically connected with brace, but described moving plate and the other end that links of swing sheet with often open static contact, normally closed static contact is corresponding to be arranged, described swing sheet one end drives and is provided with drive block, the other end is installed on the housing wall, and described housing wall is provided with first deep-slotted chip breaker for the swing of swing sheet.
By adopting technique scheme, by the mutual transmission of a plurality of rigid members, avoided the elastic fatigue of material, prolonged useful life greatly, secondly a plurality of driving members also make the location variation of conversion littler, make the sensitivity of whole device higher.
The utility model further is set to: but but be provided with the interlock that the interlock spring constitutes moving plate and swing sheet between described moving plate and the swing sheet.
By adopting technique scheme, but setting up the interlock spring makes sensitive switch often open and switch between static contact, the normally closed static contact and reset also guaranteeing to drive moving plate under the very little location variation, practicality and stability are better, and very little location variation also is difficult for making interlock spring fatigue.
The utility model further is set to: but described moving plate is installed on brace with the swing sheet, and described brace is provided with fixture block, but described moving plate is provided with the bayonet socket suitable with fixture block, is provided with the gap between described fixture block and the bayonet socket.
By the employing technique scheme, but bayonet socket and fixture block cooperation make moving plate be installed on brace, make moving plate can do the movement of certain limit but be provided with the gap between fixture block and the bayonet socket.
The utility model further is set to: described brace is provided with sliding rail towards the swing sheet, described swing sheet middle part arranges slipping part, described slipping part and sliding rail width are suitable, and the width that described swing sheet is positioned at the slipping part both sides is used for slipping part is locked in sliding rail greater than the width of slipping part.
By adopting technique scheme, sliding rail makes the swing of swing sheet more stable, and secondly the width of slipping part both sides can not break away from slipping part from sliding rail greater than the width of slipping part.
The utility model further is set to: described brace offers second deep-slotted chip breaker on the side corresponding with first deep-slotted chip breaker.
By adopting technique scheme, it is smooth that two deep-slotted chip breaker correspondences arrange the swing that guarantees the swing sheet, but can not produce the effect that vibration or bias effect drive moving plate.
The utility model further is set to: described brace is provided with projection towards the face of housing, described housing is provided with the socket for the projection inserting, offer the opening that wears for brace on the described housing, described opening and brace width are suitable.
By adopting technique scheme, the socket of both sides makes the vertical and located lateral of brace, and opening makes the brace longitudinal register, guarantees that brace can be installed in the housing reliably.
The utility model further is set to: described drive block one end is provided with and swings sheet and contacts the wedge angle that cooperates as drive end, the other end stretches out in housing as press-side, and described housing is positioned at the position that the swing sheet stretches out and is provided with the control track.
By adopting technique scheme, the control track makes the slippage of drive block keep stable, guarantees to drive effect.
The utility model further is set to: drive end and the press-side of described drive block are inclined to set.
By adopting technique scheme, drive end and press-side are inclined to set and make press-side driving scope bigger, but guarantee that drive block can allow moving plate switch.
The utility model further is set to: the angle of inclination of described drive end and press-side is 135 °.
By adopting technique scheme, the angle of inclination between drive end and the press-side can be various obtuse angles, wherein adopts 135 °, makes swing sheet hunting range reach maximum.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the stereogram of brace in the utility model embodiment;
But Fig. 3 is the stereogram of moving plate in the utility model embodiment;
Fig. 4 is the stereogram of swing sheet in the utility model embodiment;
Fig. 5 is the stereogram of base in the utility model embodiment;
Fig. 6 is the stereogram of loam cake in the utility model embodiment.
Embodiment
As Fig. 1-shown in Figure 6, the utility model discloses a kind of sensitive switch, comprise housing 1, housing 1 comprises loam cake 15 and base 16, housing 1 is provided with and often opens static contact 2, normally closed static contact 3 and brace 4, often open static contact 2, it is outer as Chang Kaiduan 21 that normally closed static contact 3 and brace 4 stretch out housing, normally closed terminal 31 and splicing ear 41, but the moving plate 5 that is provided with mutual interlock in the housing 1 and is electrically connected with brace 4 and swing sheet 6, but the other end that moving plate 5 and swing sheet 6 link with often open static contact 2, normally closed static contact 3 corresponding settings, swing sheet 6 one ends drive and are provided with drive block 7, the other end is installed on housing 1 wall, housing wall 1 is provided with first deep-slotted chip breaker 11 for 6 swings of swing sheet, by the mutual transmission of a plurality of rigid members, avoided the elastic fatigue of material, prolonged useful life greatly, secondly a plurality of driving members also make the location variation of conversion littler, make the sensitivity of whole device higher.
But constitute moving plate 5 and the interlock of swinging sheet 6 but be provided with interlock spring 8 between moving plate 5 and the swing sheet 6, but be respectively arranged with spring fixed hole 52,62 on moving plate 5 and the swing sheet 6, but setting up interlock spring 8 makes sensitive switch often open and switch between static contact, the normally closed static contact and reset also guaranteeing to drive moving plate under the very little location variation, practicality and stability are better, and very little location variation also is difficult for making interlock spring 7 elastic fatigues.
But moving plate 5 is installed on brace 4 with swing sheet 6, brace 4 is provided with fixture block 41, but moving plate 5 is provided with the bayonet socket 51 suitable with fixture block 41, be provided with the gap between fixture block 41 and the bayonet socket 51, make moving plate 5 be installed on brace 4 but bayonet socket 51 and fixture block 41 cooperate, make moving plate can do the movement of certain limit but be provided with the gap between fixture block 41 and the bayonet socket 51.
Brace 4 is provided with sliding rail 42 towards swing sheet 6, swing sheet 6 middle parts arrange slipping part 61, slipping part 61 is suitable with sliding rail 42 width, the width that swing sheet 6 is positioned at slipping part 61 both sides is used for slipping part 61 is locked in sliding rail 42 greater than the width of slipping part 61, sliding rail 42 makes the swing of swing sheet 61 more stable, and secondly the width of slipping part 61 both sides can not break away from slipping part 61 from sliding rail 42 greater than the width of slipping part 61.
Brace 4 is provided with projection 43 towards the face of housing 1, housing 1 is provided with the socket 12 for projection 44 insertings, offer the opening 13 that wears for brace 4 on the housing 1, opening 13 is suitable with brace 4 width, the socket 12 of both sides makes the vertical and located lateral of brace 4, opening 13 makes the brace longitudinal register, guarantees that brace 4 can be installed in the housing 1 reliably.
Drive block 7 one ends are provided with as drive end 71 and swing the wedge angle 711 that sheet 6 contacts cooperation, the other end stretches out in housing 1 as press-side 72, housing 1 is positioned at swing sheet 6 position of stretching out and is provided with control track 14, and control track 14 makes the slippage of drive block 7 keep stable, guarantees to drive effect.
Drive end 71 and the press-side 72 of drive block 7 are inclined to set, and drive end 71 and press-side 72 are inclined to set and make press-side 72 driving scopes bigger, but guarantee that drive block 7 can allow moving plate 5 switch.
The angle of inclination of drive end 71 and press-side 72 is 135 °, and the angle of inclination between drive end 71 and the press-side 72 can be various obtuse angles, wherein adopts 135 °, makes swing sheet 6 hunting ranges reach maximum.
Claims (9)
1. sensitive switch, comprise housing, described housing is provided with often opens static contact, normally closed static contact and brace, the described static contact of often opening, it is outer as Chang Kaiduan that normally closed static contact and brace stretch out housing, normally closed terminal and splicing ear, it is characterized in that: but the moving plate and the swing sheet that are provided with mutual interlock in the described housing and are electrically connected with brace, but described moving plate and the other end that links of swing sheet with often open static contact, normally closed static contact is corresponding to be arranged, described swing sheet one end drives and is provided with drive block, the other end is installed on the housing wall, and described housing wall is provided with first deep-slotted chip breaker for the swing of swing sheet.
2. sensitive switch according to claim 1 is characterized in that: but but be provided with the interlock that the interlock spring constitutes moving plate and swing sheet between described moving plate and the swing sheet.
3. sensitive switch according to claim 1 and 2, it is characterized in that: but described moving plate is installed on brace with the swing sheet, described brace is provided with fixture block, but described moving plate is provided with the bayonet socket suitable with fixture block, is provided with the gap between described fixture block and the bayonet socket.
4. sensitive switch according to claim 3, it is characterized in that: described brace is provided with sliding rail towards the swing sheet, described swing sheet middle part arranges slipping part, described slipping part and sliding rail width are suitable, and the width that described swing sheet is positioned at the slipping part both sides is used for slipping part is locked in sliding rail greater than the width of slipping part.
5. sensitive switch according to claim 4 is characterized in that: described brace offers second deep-slotted chip breaker on the side corresponding with first deep-slotted chip breaker.
6. according to claim 1 or 2 or 4 or 5 described sensitive switches, it is characterized in that: described brace is provided with projection towards the face of housing, described housing is provided with the socket for the projection inserting, offer the opening that wears for brace on the described housing, described opening and brace width are suitable.
7. according to claim 1 or 2 or 4 or 5 described sensitive switches, it is characterized in that: described drive block one end is provided with as drive end and swings the wedge angle that sheet contacts cooperation, the other end stretches out in housing as press-side, and described housing is positioned at the swing sheet position of stretching out and is provided with the control track.
8. sensitive switch according to claim 7, it is characterized in that: drive end and the press-side of described drive block are inclined to set.
9. sensitive switch according to claim 8, it is characterized in that: the angle of inclination of described drive end and press-side is 135 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320242102 CN203218148U (en) | 2013-05-06 | 2013-05-06 | Microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320242102 CN203218148U (en) | 2013-05-06 | 2013-05-06 | Microswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203218148U true CN203218148U (en) | 2013-09-25 |
Family
ID=49207661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320242102 Expired - Lifetime CN203218148U (en) | 2013-05-06 | 2013-05-06 | Microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203218148U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10418195B2 (en) | 2017-06-01 | 2019-09-17 | Defond Electech Co., Ltd | Contact lever for use in an electrical switch assembly |
-
2013
- 2013-05-06 CN CN 201320242102 patent/CN203218148U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10418195B2 (en) | 2017-06-01 | 2019-09-17 | Defond Electech Co., Ltd | Contact lever for use in an electrical switch assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 325600, No. seven, No. 288, Yueqing Economic Development Zone, Zhejiang, Wenzhou Patentee after: DONGNAN ELECTRONICS Co.,Ltd. Address before: 325000, No. 7, No. 288, Yueqing Economic Development Zone, Zhejiang, Wenzhou Patentee before: YUEQING DONGNAN ELECTRONICS Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325600, No. seven, No. 288, Yueqing Economic Development Zone, Zhejiang, Wenzhou Patentee after: DONGNAN ELECTRONICS CO.,LTD. Address before: 325600, No. seven, No. 288, Yueqing Economic Development Zone, Zhejiang, Wenzhou Patentee before: DONGNAN ELECTRONICS Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |
|
| CX01 | Expiry of patent term |