CN203733714U - Magnetic microswitch - Google Patents
Magnetic microswitch Download PDFInfo
- Publication number
- CN203733714U CN203733714U CN201420092860.8U CN201420092860U CN203733714U CN 203733714 U CN203733714 U CN 203733714U CN 201420092860 U CN201420092860 U CN 201420092860U CN 203733714 U CN203733714 U CN 203733714U
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- CN
- China
- Prior art keywords
- spring
- bar
- movable contact
- magnetic force
- sensitive switch
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Abstract
The utility model discloses a magnetic microswitch, which comprises a shell, wherein the shell is internally provided with an inner magnet, a tilting rod, a spring, a moving contact piece, a first terminal piece and a second terminal piece, one end of the tilting rod is attracted to the inner magnet, the other end is embedded in the inner wall of the shell and fixed, the tilting rod is provided with a supporting position for pushing the moving contact piece to operate; one end of the spring is connected with the tilting rod, and the other end is connected with the moving contact piece; the first terminal piece is fixed on the shell, and the first terminal piece is provided with a static contact; one end of the moving contact piece is connected with the second terminal piece, and the other end of the moving contact piece is provided with a moving contact matched with the static contact; and the inner magnet is affected by external magnetism to drive the tilting rod to operate, and the tilting rod is matched with the spring in operation to enable the moving contact to be contacted with or separated from the static contact. The magnetic microswitch provided by the utility model is firm in structure, stable in operation, low in failure rate, small in size, and long in service life.
Description
Technical field
The utility model relates to sensitive switch field, in particular a kind of magnetic force sensitive switch.
Background technology
Magnetic force sensitive switch is in the market all generally by moving magnet and static magnet are set at lower casing, by the two like magnetic poles repel each other of magnet, the principle that there is a natural attraction between the sexes realizes the initial turn-on of sensitive switch, then drive moving magnet to reset by resetting means, but, between existing moving magnet and static magnet, do not separate often, magnet is the easy dry linting of meeting after long-term work, affect the effect each other of moving magnet and static magnet, cause sensitive switch cisco unity malfunction, and traditional magnetic force microswitch structure is simple, action stability is poor, useful life is short.
Therefore, prior art has yet to be improved and developed.
Utility model content
The purpose of this utility model is to provide a kind of magnetic force sensitive switch, is intended to solve traditional magnetic force microswitch structure simple, the technical problem that action stability is poor.
The technical solution of the utility model is as follows: a kind of magnetic force sensitive switch, comprise shell, wherein, described enclosure is provided with inner magnet, sticks up bar, spring, movable contact spring, the first terminal sheet and the second terminal plate, described bar one end and the inner magnet magnetic attracting of sticking up, the other end embeds outer casing inner wall and fixes, and sticks up on bar and is provided with and promotes the support level that movable contact spring moves; Described spring one end connects sticks up bar, and the other end connects movable contact spring; Described the first terminal sheet is fixed on shell, on the first terminal sheet, is provided with fixed contact; Described movable contact spring one end is connected with the second terminal plate, and the movable contact spring other end is provided with the moving contact coordinating with fixed contact;
Described inner magnet is affected by external magnetic, drives and sticks up bar action, sticks up bar and makes moving contact with fixed contact contact or separate with spring interoperation.
Described magnetic force sensitive switch, wherein, described in stick up bar and comprise V-structure, described V-structure one end stretches out and forms contact-making surface contact with inner magnet, the V-structure other end extends to form the support level that promotion movable contact spring moves laterally; Inner magnet pushes or pulls and sticks up bar action, and the support level of sticking up on bar makes moving contact with fixed contact contact or separates with spring interoperation.
Described magnetic force sensitive switch, wherein, described enclosure is provided with movable groove, and described inner magnet is placed in activity inside grooves, and inner magnet is affected by external magnetic, moves in activity inside grooves.
Described magnetic force sensitive switch, wherein, described movable groove one side is provided with the magnetic shield part of shielding inner magnet magnetic.
Described magnetic force sensitive switch, wherein, described movable contact spring with stick up the holddown groove that is provided with fixing spring on bar, described both ends of the spring catches on respectively movable contact spring and is fixedly installed with the holddown groove sticking up on bar.
Described magnetic force sensitive switch, wherein, described movable contact spring is provided with the cavity of placing spring.
Described magnetic force sensitive switch, wherein, described movable contact spring one end is provided with connector, and described the second terminal plate is provided with connecting hole, and described movable contact spring inserts connecting hole by connector and is fixedly connected with the second terminal plate.
Described magnetic force sensitive switch, wherein, the hollow setting of described the second terminal plate top middle portion, connecting hole is arranged on the both sides on the second terminal plate top, spring through the hollow position of the second terminal plate middle top with stick up bar and be connected.
The beneficial effects of the utility model: the utility model by utilizing inner magnet, stick up bar, spring and movable contact spring interoperation, control the break-make of sensitive switch, each parts of the present utility model connect compact firm, institute takes up space little, having stable behavior, has improved stability and the useful life of the work of magnetic force sensitive switch greatly.
Brief description of the drawings
Fig. 1 is the structural representation of open type magnetic force sensitive switch off-state in the utility model.
Fig. 2 is the front view that the inner each parts of magnetic force sensitive switch connect.
Fig. 3 is the vertical view that the inner each parts of magnetic force sensitive switch connect.
Fig. 4 is the structural representation of open type magnetic force sensitive switch on-state.
Fig. 5 is the structural representation of closed type magnetic force sensitive switch on-state.
Fig. 6 is the structural representation of closed type magnetic force sensitive switch off-state.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, clear and definite, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.
Embodiment 1
The present embodiment discloses a kind of magnetic force sensitive switch of open type, the structure of its disconnection (normality) and connection as shown in Figure 1 and Figure 4, the magnetic force sensitive switch of this open type is provided with inner magnet 200 in shell 100 inside, sticks up bar 300, spring 400, movable contact spring 500, the first terminal sheet 600 and the second terminal plate 700, wherein, stick up bar 300 one end and inner magnet magnetic attracting, the other end embeds shell 100 inwalls and fixes (referring to Fig. 1), sticks up on bar 300 and is provided with the support level 310(that promotes movable contact spring action referring to Fig. 2 and Fig. 3); Spring 400 one end connect sticks up bar 300, and the other end connects movable contact spring 500; The first terminal sheet 600 is fixed on shell 100, is provided with fixed contact 610 on the first terminal sheet 600; Movable contact spring 500 one end are connected with the second terminal plate 700, and movable contact spring 500 other ends are provided with the moving contact 510 coordinating with fixed contact 610, and fixed contact 610 is placed in the corresponding below of moving contact 510; Shell 100 inside are provided with movable groove 110, and inner magnet 200 is placed in movable groove 110 inside, and inner magnet is affected by external magnetic, moves in activity inside grooves.Meanwhile, be provided with shielding inner magnet 200 magnetic in a side of movable groove 110, avoid magnetic shield part 120(that inner magnet affects the second terminal plate referring to Fig. 1).
In order further to optimize the pattern of sticking up bar and movable contact spring, make the action of magnetic force sensitive switch rapider, sensitive, in the present embodiment, stick up bar 300 and be arranged to V-structure, this V-structure one end stretches out and forms the contact-making surface contacting with inner magnet 200 (referring to Fig. 1 and Fig. 4, inner magnet 200 and the contact position of sticking up bar 300), the V-structure other end extends to form laterally and promotes support level 310(that movable contact spring 500 moves referring to Fig. 2 and Fig. 3, sticks up the contact position of bar 300 and movable contact spring 500); Inner magnet pushes or pulls and sticks up bar action, and the support level of sticking up on bar makes moving contact with fixed contact contact or separates with spring interoperation.
Further, movable contact spring 500 with stick up the holddown groove 410 that is provided with fixing spring 400 on bar 300, movable contact spring 500 is provided with the cavity 520 of placing spring 400, referring to Fig. 3, spring 400 two ends are caught on respectively movable contact spring and are fixed with the holddown groove 410 sticking up on bar, and the main body of spring 400 is placed in cavity 520.Movable contact spring 500 one end are provided with connector 530, the second terminal plates 700 and are provided with connecting hole 710, and movable contact spring 500 inserts connecting hole 710 by connector 530 and is fixedly connected with (referring to Fig. 2 and Fig. 3) with the second terminal plate 700.In the present embodiment, the hollow setting of the second terminal plate 700 top middle portion, connecting hole 710 is arranged on the both sides on the second terminal plate 700 tops, spring 400 through the hollow position of the second terminal plate 700 middle top with stick up bar 300 and be connected (referring to Fig. 1-4).By above-mentioned connected mode, realize the firm connection of the inner each parts of magnetic force sensitive switch, under this structure, stick up the motion stabilization of bar and movable contact spring, failure rate is low.Meanwhile, the shared space of this structure is little, meets the requirement of magnetic force sensitive switch microminiaturization.
Motion mechanism of the present utility model is as follows: inner magnet 200 is subject to external magnetic to affect (by extraneous attraction or repulsion), inner magnet moves in activity inside grooves, bar action (will stick up bar upwards draws to pressing down or sticking up bar) is stuck up in drive, sticks up bar and makes moving contact with fixed contact contact or separate with spring interoperation.Concrete, referring to Fig. 1, now magnetic force sensitive switch is in off-state (normality), extraneous magneticaction (repulsion) on inner magnet, promotion inner magnet moves downward, press down and stick up bar, sticking up bar moves downwards, pull movable contact spring to move downwards by spring, make moving contact and fixed contact touching, magnetic force sensitive switch is connected, for the state in Fig. 4, when extraneous magnetic force acts on (attraction) on inner magnet again, inner magnet moves upward, pull and stick up bar, stick up on bar and move, upwards promote movable contact spring by support level 310, movable contact spring moves upward, moving contact separates with fixed contact, return to the state in Fig. 1.
The magnetic force microswitch structure that the present embodiment provides is firm, having stable behavior, and failure rate is low, and volume is little, long service life.
Embodiment 2
The present embodiment provides a kind of magnetic force sensitive switch of closed type, and its structure as shown in Figure 5 and Figure 6.The structure of the basic magnetic force sensitive switch with open type of the magnetic force sensitive switch of closed type is identical, different, and the fixed contact of the first terminal sheet 600 is arranged on above moving contact 510 corresponding.The motion mechanism of the magnetic force sensitive switch of closed type is in the same manner as in Example 1, and as shown in Figure 5, magnetic force sensitive switch is in on-state for its normality, and inner magnet is subject to, after extraneous magnetic repellence, to think lower motion, and fixed contact and moving contact are disconnected, and forms the state in Fig. 6.
The magnetic force microswitch structure that the present embodiment provides is firm, having stable behavior, and failure rate is low, and volume is little, long service life.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or convert, all these improvement and conversion all should belong to the protection range of the utility model claims.
Claims (8)
1. a magnetic force sensitive switch, comprise shell, it is characterized in that, described enclosure is provided with inner magnet, sticks up bar, spring, movable contact spring, the first terminal sheet and the second terminal plate, described bar one end and the inner magnet magnetic attracting of sticking up, the other end embeds outer casing inner wall and fixes, and sticks up on bar and is provided with and promotes the support level that movable contact spring moves; Described spring one end connects sticks up bar, and the other end connects movable contact spring; Described the first terminal sheet is fixed on shell, on the first terminal sheet, is provided with fixed contact; Described movable contact spring one end is connected with the second terminal plate, and the movable contact spring other end is provided with the moving contact coordinating with fixed contact;
Described inner magnet is affected by external magnetic, drives and sticks up bar action, sticks up bar and makes moving contact with fixed contact contact or separate with spring interoperation.
2. magnetic force sensitive switch according to claim 1, it is characterized in that, the described bar that sticks up comprises V-structure, and described V-structure one end stretches out and forms the contact-making surface contacting with inner magnet, and the V-structure other end extends to form the support level that promotes movable contact spring action laterally; Inner magnet pushes or pulls and sticks up bar action, and the support level of sticking up on bar makes moving contact with fixed contact contact or separates with spring interoperation.
3. magnetic force sensitive switch according to claim 1, is characterized in that, described enclosure is provided with movable groove, and described inner magnet is placed in activity inside grooves, and inner magnet is affected by external magnetic, moves in activity inside grooves.
4. magnetic force sensitive switch according to claim 3, is characterized in that, described movable groove one side is provided with the magnetic shield part of shielding inner magnet magnetic.
5. magnetic force sensitive switch according to claim 1, is characterized in that, described movable contact spring with stick up the holddown groove that is provided with fixing spring on bar, described both ends of the spring catches on respectively movable contact spring and is fixedly installed with the holddown groove sticking up on bar.
6. magnetic force sensitive switch according to claim 1, is characterized in that, described movable contact spring is provided with the cavity of placing spring.
7. magnetic force sensitive switch according to claim 6, is characterized in that, described movable contact spring one end is provided with connector, and described the second terminal plate is provided with connecting hole, and described movable contact spring inserts connecting hole by connector and is fixedly connected with the second terminal plate.
8. magnetic force sensitive switch according to claim 7, is characterized in that, the hollow setting of described the second terminal plate top middle portion, connecting hole is arranged on the both sides on the second terminal plate top, spring through the hollow position of the second terminal plate middle top with stick up bar and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092860.8U CN203733714U (en) | 2014-03-03 | 2014-03-03 | Magnetic microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092860.8U CN203733714U (en) | 2014-03-03 | 2014-03-03 | Magnetic microswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203733714U true CN203733714U (en) | 2014-07-23 |
Family
ID=51203765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420092860.8U Expired - Fee Related CN203733714U (en) | 2014-03-03 | 2014-03-03 | Magnetic microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203733714U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513894A (en) * | 2016-01-12 | 2016-04-20 | 佛山市溢釜科技有限公司 | Non-magnetic position detection sensor |
-
2014
- 2014-03-03 CN CN201420092860.8U patent/CN203733714U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513894A (en) * | 2016-01-12 | 2016-04-20 | 佛山市溢釜科技有限公司 | Non-magnetic position detection sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20170303 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |