CN203218151U - Microswitch - Google Patents
Microswitch Download PDFInfo
- Publication number
- CN203218151U CN203218151U CN 201320242393 CN201320242393U CN203218151U CN 203218151 U CN203218151 U CN 203218151U CN 201320242393 CN201320242393 CN 201320242393 CN 201320242393 U CN201320242393 U CN 201320242393U CN 203218151 U CN203218151 U CN 203218151U
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- CN
- China
- Prior art keywords
- block
- installing port
- movable contact
- groove
- contact spring
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- Expired - Lifetime
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Abstract
The utility model relates to a microswitch. The microswitch comprises a housing; the housing is provided inside with a movable contact spring, a normally-open static contact-piece, a normally-closed static contact-piece and a connecting piece. A normally-open terminal, a normally-closed terminal and a connector, which are respectively connected to the normally-open static contact-piece, the normally-closed static contact-piece and the connecting piece, are arranged outside the housing; the connecting piece is provided with a first support block and a second support block towards the movable contact spring; the movable contact spring relative to the connecting piece is respectively provided with a first installing port and a second installation port sleeved on the first support block and the second support block; one side, far from the second support block, of the first support block is provided with a first neck adapted to the first installation port; and the first installation port is equipped with a first bayonet at the position corresponding to the first neck. 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 controll block that passes housing on the movable contact spring, existing movable contact spring, under initial condition by brace and controll block and often open that static contact is inconsistent to be fixed, after the sensitive switch long period transportation is jolted, the lateral attitude of movable contact spring can be offset, movable contact spring with often open static contact, the correspondence position of normally closed static contact produces skew, cause pressing dislocation, and make the deformation of the non-groundwork section switch of movable contact spring, influence the sensitive switch life-span.
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, be provided with movable contact spring in the described housing, often open static contact, normally closed static contact and brace, described 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 controll block that passes housing on the described movable contact spring, it is characterized in that: described brace is provided with first back-up block and second back-up block towards movable contact spring, the relative brace of described movable contact spring is respectively arranged with first installing port and second installing port that is sheathed on first back-up block and second back-up block, described first back-up block is provided with first draw-in groove suitable with first installing port away from a side of second back-up block, and the position that described first installing port is relative with first draw-in groove is provided with first bayonet socket.
By adopting technique scheme, first draw-in groove is fixed with making the installation site of movable contact spring cooperating of first installing port, being fixed with pressure relatively in the past, Gu Ding mode position is more accurate like this, can not cause the skew of movable contact spring because of transportation or shake, thereby prolong the life-span of sensitive switch.
The utility model further is set to: the longitudinal section of the relative movable contact spring of described first draw-in groove is triangle.
By adopting technique scheme, the leg-of-mutton setting of first draw-in groove makes the edge of first opening of movable contact spring can be stuck in the not skew up and down of first draw-in groove, further strengthens fixed effect.
The utility model further is set to: described second back-up block is provided with second draw-in groove suitable with second installing port away from a side of first back-up block, and described second installing port is provided with the arc flexure strip suitable with second draw-in groove.
By adopting technique scheme, to set up the arc flexure strip and make movable contact spring to switch to the action of normally closed static contact rapider from often opening static contact, arc flexure strip and first installing port cooperate to be fixed from movable contact spring both sides and brace.
The utility model further is set to: described arc flexure strip one end is fixed in second installing port, and other end card is arranged at second draw-in groove, and the both sides of the relative second draw-in groove position of described arc flexure strip are provided with the fixed block suitable with the second draw-in groove width.
By adopting technique scheme, the setting of fixed block can not be offset the lateral attitude of movable contact spring, and the position of relative second draw-in groove of arc flexure strip is fully limited.
The utility model further is set to: the limit that described both sides fixed block the is relative formation trapeze cut that is inclined to set laterally.
By adopting technique scheme, trapeze cut makes the easier for installation of movable contact spring, and is laborsaving.
The utility model further is set to: described housing comprises cover plate and base, described base both sides are provided with mounting groove, described mounting groove inboard is provided with mounting blocks, described cover plate is provided with three installing port suitable with mounting blocks, and described mounting blocks is provided with the installation inclined-plane towards cover plate.
By adopting technique scheme, mounting blocks cooperates the 3rd installing port fully fixedly to avoid external force to the influence of movable contact spring cover plate and base, the inclined-plane is installed is joined as the guiding convenient card.
The utility model further is set to: be provided with the press section on the described movable contact spring between first installing port and second installing port, the corresponding installation portion setting of described controll block, described controll block is provided with elastomer block towards the press section, the curved setting of described elastomer block.
By adopting technique scheme, elastomer block makes the action of controll block sensitiveer, and its hypoelastic setting makes the deformation quantity of movable contact spring reach minimum, makes and obtains maximum prolongation its useful life.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is the stereogram of the utility model embodiment;
Fig. 2 is the explosive view of the utility model embodiment;
Fig. 3 is the structural representation of the utility model embodiment.
Embodiment
As Fig. 1-shown in Figure 3, the utility model discloses a kind of sensitive switch of long service life, comprise housing 1, be provided with movable contact spring 2 in the housing 1, often open static contact 4, normally closed static contact 3 and brace 5, housing 1 is outside equipped with respectively and often opens static contact 4, Chang Kaiduan 7 that normally closed static contact 3 and brace 5 are electrically connected, normally closed terminal 6 and splicing ear 8, be linkedly set with the controll block 9 that passes housing on the movable contact spring 2, brace 5 is provided with first back-up block 51 and second back-up block 52 towards movable contact spring 2, movable contact spring 2 relative braces 5 are respectively arranged with first installing port 21 and second installing port 22 that is sheathed on first back-up block 51 and second back-up block 52, first back-up block 51 is provided with first draw-in groove 511 suitable with first installing port 21 away from a side of second back-up block 52, the position that first installing port 21 is relative with first draw-in groove 511 is provided with first bayonet socket 211, first draw-in groove 511 is fixed with making the installation site of movable contact spring 2 cooperating of first bayonet socket 211, being fixed with pressure relatively in the past, Gu Ding mode position is more accurate like this, can not cause the skew of movable contact spring 2 because of transportation or shake, thereby prolong the life-span of sensitive switch.
The longitudinal section of first draw-in groove, 511 relative movable contact springs 2 is triangle, and the 51 leg-of-mutton settings of first draw-in groove make the edge of first installing port 21 of movable contact spring can be stuck in the not skew up and down of first draw-in groove 51, further strengthen fixed effect.
Second back-up block 52 is provided with second draw-in groove 521 suitable with second installing port 22 away from a side of first back-up block 51, second installing port 22 is provided with the arc flexure strip 221 suitable with second draw-in groove 521, setting up arc flexure strip 521, to make movable contact spring 2 switch to the action of often opening static contact 4 from normally closed static contact 3 rapider, and arc flexure strip 221 and first installing port 21 cooperate to be fixed from movable contact spring 2 both sides and brace 5.
Arc flexure strip 221 1 ends are fixed in second installing port 22, other end card is arranged at second draw-in groove 521, the both sides of arc flexure strip 221 relative second draw-in grooves 521 positions are provided with the fixed block 2211 suitable with second draw-in groove, 521 width, the setting of fixed block 2211 can not be offset the lateral attitude of movable contact spring 2, and the position of arc flexure strip 221 relative second draw-in grooves 521 is fully limited.
Fixed block 2211 relative limits in both sides are inclined to set laterally and constitute trapeze cut 2222, and trapeze cut 2222 makes the easier for installation of movable contact spring 2, and is laborsaving.
1 housing comprises cover plate 11 and base 12, base 12 both sides are provided with mounting groove 121, mounting groove 121 inboards are provided with mounting blocks 1211, cover plate 11 is provided with three installing port 111 suitable with mounting blocks 1211, mounting blocks 1211 is provided with towards cover plate 11 inclined-plane 1212 is installed, mounting blocks 1211 cooperates the 3rd installing port 111 fully fixedly to avoid external force to the influence of movable contact spring 2 cover plate 11 and base 12, inclined-plane 1212 is installed is joined as the guiding convenient card.
Between first installing port 21 and second installing port 22, be provided with press section 23 on the movable contact spring 2, controll block 9 corresponding installation portions 23 arrange, controll block 9 23 is provided with elastomer block 91 towards the press section, elastomer block 91 curved settings, elastomer block 91 makes the action of controll block 9 sensitiveer, its hypoelastic setting makes the deformation quantity of movable contact spring 2 reach minimum, makes and obtains maximum prolongation its useful life.
Claims (10)
1. sensitive switch, comprise housing, be provided with movable contact spring in the described housing, often open static contact, normally closed static contact and brace, described 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 controll block that passes housing on the described movable contact spring, it is characterized in that: described brace is provided with first back-up block and second back-up block towards movable contact spring, the relative brace of described movable contact spring is respectively arranged with first installing port and second installing port that is sheathed on first back-up block and second back-up block, described first back-up block is provided with first draw-in groove suitable with first installing port away from a side of second back-up block, and the position that described first installing port is relative with first draw-in groove is provided with first bayonet socket.
2. sensitive switch according to claim 1, it is characterized in that: the longitudinal section of the relative movable contact spring of described first draw-in groove is triangle.
3. sensitive switch according to claim 1 and 2, it is characterized in that: described second back-up block is provided with second draw-in groove suitable with second installing port away from a side of first back-up block, and described second installing port is provided with the arc flexure strip suitable with second draw-in groove.
4. sensitive switch according to claim 3, it is characterized in that: described arc flexure strip one end is fixed in second installing port, other end card is arranged at second draw-in groove, and the both sides of the relative second draw-in groove position of described arc flexure strip are provided with the fixed block suitable with the second draw-in groove width.
5. sensitive switch according to claim 4 is characterized in that: the limit that described both sides fixed block the is relative formation trapeze cut that is inclined to set laterally.
6. according to claim 1 or 2 or 4 or 5 described sensitive switches, it is characterized in that: described housing comprises cover plate and base, described base both sides are provided with mounting groove, described mounting groove inboard is provided with mounting blocks, described cover plate is provided with three installing port suitable with mounting blocks, and described mounting blocks is provided with the installation inclined-plane towards cover plate.
7. sensitive switch according to claim 3, it is characterized in that: described housing comprises cover plate and base, described base both sides are provided with mounting groove, described mounting groove inboard is provided with mounting blocks, described cover plate is provided with three installing port suitable with mounting blocks, and described mounting blocks is provided with the installation inclined-plane towards cover plate.
8. according to claim 1 or 2 or 4 or 5 or 7 described sensitive switches, it is characterized in that: between first installing port and second installing port, be provided with the press section on the described movable contact spring, the corresponding installation portion setting of described controll block, described controll block is provided with elastomer block towards the press section, the curved setting of described elastomer block.
9. sensitive switch according to claim 3, it is characterized in that: between first installing port and second installing port, be provided with the press section on the described movable contact spring, the corresponding installation portion setting of described controll block, described controll block is provided with elastomer block towards the press section, the curved setting of described elastomer block.
10. sensitive switch according to claim 6, it is characterized in that: between first installing port and second installing port, be provided with the press section on the described movable contact spring, the corresponding installation portion setting of described controll block, described controll block is provided with elastomer block towards the press section, the curved setting of described elastomer block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320242393 CN203218151U (en) | 2013-05-06 | 2013-05-06 | Microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320242393 CN203218151U (en) | 2013-05-06 | 2013-05-06 | Microswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203218151U true CN203218151U (en) | 2013-09-25 |
Family
ID=49207664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320242393 Expired - Lifetime CN203218151U (en) | 2013-05-06 | 2013-05-06 | Microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203218151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758872A (en) * | 2014-12-17 | 2016-07-13 | 中国科学院高能物理研究所 | X-ray detector and outlet-beam seal window protector |
| CN107785186A (en) * | 2016-08-31 | 2018-03-09 | 刘勇刚 | A kind of microswitch |
| CN108253528A (en) * | 2018-01-12 | 2018-07-06 | 广东美的制冷设备有限公司 | Air conditioner indoor unit |
-
2013
- 2013-05-06 CN CN 201320242393 patent/CN203218151U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758872A (en) * | 2014-12-17 | 2016-07-13 | 中国科学院高能物理研究所 | X-ray detector and outlet-beam seal window protector |
| CN107785186A (en) * | 2016-08-31 | 2018-03-09 | 刘勇刚 | A kind of microswitch |
| CN108253528A (en) * | 2018-01-12 | 2018-07-06 | 广东美的制冷设备有限公司 | Air conditioner indoor unit |
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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 |
Owner name: DONGNAN ELECTRONICS CO., LTD. Free format text: FORMER NAME: DONGNAN ELECTRONIC CO., LTD., YUEQING CITY |
|
| 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 |