CN204270921U - A kind of travel switch - Google Patents
A kind of travel switch Download PDFInfo
- Publication number
- CN204270921U CN204270921U CN201520017052.XU CN201520017052U CN204270921U CN 204270921 U CN204270921 U CN 204270921U CN 201520017052 U CN201520017052 U CN 201520017052U CN 204270921 U CN204270921 U CN 204270921U
- Authority
- CN
- China
- Prior art keywords
- pedestal
- housing
- movable contact
- connecting rod
- 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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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Slide Switches (AREA)
Abstract
The utility model discloses a kind of travel switch, comprise housing, in housing, be provided with cavity, dicyclo pedestal is provided with in cavity, its outer-loop pedestal is provided with static contact, and inner ring pedestal is provided with movable contact spring, and the fixed contact of static contact and the moving contact of movable contact spring are all outside between cyclic group seat and inner ring pedestal; Also comprise operating head, operating head connects the connecting rod in housing through housing, and connecting rod connects contact and the disjunction that movable contact spring linkage controls movable contact spring and static contact; Contact and operating system are concentrated in housing cavity by bicyclic group holder structure by the utility model, greatly reduce travel switch overall volume, under the prerequisite meeting electric clearance and creepage distance under 230V/6A AC-15,230/0.25mA DC-13 condition, concentrate overall dimension, significantly expand the scope of application; Good sealing effect, degree of protection is higher; When basic structure is constant, the variation of operating head can be realized, more general.
Description
Technical field
The utility model belongs to travel switch structure design and applied technical field, relates to manipulation electromechanical movement structure travel switch, is specially a kind of travel switch.
Background technology
There are the following problems for travel switch in the market:
1, degree of protection is lower
Travel switch on market generally adopts rubber blanket, rubber sleeve to seal, the degree of protection of this structure own is at about IP65, II class F insulation standard cannot be passed through, if product controls not strict in process of production, there is rubber cushion crimp skew, the risk that the factors such as structural member surface fineness difference cause sealing effectiveness to lose efficacy, thus cause product cannot be applicable in the high complex environment of high humidity, dust particle concentration;
2, size is larger
Travel switch on market is because of the feature of its motion structure, and the requirement of electrical equipment gap creepage distance, and the volume of switch is comparatively large, the phenomenon causing businessman that switch and itself structural member often occur when selector switch interfering;
3, lower to the versatility of various ways switch
The switch of multi-form model is usually selected by enterprise because its contact form, operating head mode, manner of execution are different when selector switch, sometimes in order to the kind of the switch that gathers together enough, have to from the uneven switch of different manufacturers buying technical standard.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of travel switch for the problems referred to above, and degree of protection is high, size is little and applicable multiple switching requirements.
The utility model is achieved in that
A kind of travel switch, comprise housing, it is characterized in that: in housing, be provided with cavity, dicyclo pedestal is provided with in cavity, dicyclo pedestal comprises outer shroud pedestal and inner ring pedestal, its outer-loop pedestal is provided with static contact, and inner ring pedestal is provided with movable contact spring, and the fixed contact of static contact and the moving contact of movable contact spring are all outside between cyclic group seat and inner ring pedestal; Also comprise operating head, operating head connects the connecting rod in housing through housing, and connecting rod connects contact and the disjunction that movable contact spring linkage controls movable contact spring and static contact.
Further, housing head end is provided with fairlead, and the afterbody of described operating head to stretch in fairlead and is connected with the connecting rod head end in fairlead; Be provided with baffle plate between fairlead and cavity, connecting rod tail end runs through baffle plate and is connected with the movable contact spring on inner ring pedestal; Connecting rod is arranged with back-moving spring, and back-moving spring is arranged between operating head and baffle plate.
Further, dicyclo pedestal is double square ring, and inner ring pedestal overlaps with the top margin of outer shroud pedestal, and described static contact is separately positioned on four summits place of outer shroud pedestal; Inner ring pedestal is provided with slide rail, slide rail is provided with slide block, connecting rod tail end is by contact spring connection sliding block, the described movable contact spring that connecting rod connects is distributed in slide block both sides, slide block is reciprocatingly slided along inner ring base guide movable contact spring between static contact, completes movable contact spring and contact and disjunction with static contact.
Further, arrange spacing steel ball between operating head and connecting rod, spacing steel ball is two, and is connected by linking springs elasticity; Fairlead inwall is provided with stopper slot, stopper slot and spacing steel ball adaptation.
Further, housing is provided with enclosing cover; Dicyclo pedestal is provided with the inner cap matched, and inner cap is connected with pedestal and inner cap and pedestal connecting overall are coated with sealant layer; Fluid sealant is filled with between dicyclo pedestal and outer casing inner wall.
Further, the junction of fairlead and baffle plate is provided with O RunddichtringO and seals.
Further, housing tail end is provided with wiring hole, and wiring hole place is provided with locking wire folder.
The beneficial effects of the utility model there is provided a kind of travel switch, by bicyclic group holder structure, contact and operating system are concentrated in housing cavity, greatly reduce travel switch overall volume, under the prerequisite meeting electric clearance and creepage distance under 230V/6AAC-15,230/0.25mA DC-13 condition, concentrate overall dimension, significantly expand the scope of application; Good sealing effect, degree of protection is higher; When basic structure is constant, the variation of operating head can be realized, more general.
Accompanying drawing explanation
A kind of travel switch middle shell that Fig. 1 provides for the utility model and inner-cavity structure schematic diagram thereof;
Fig. 2 is structural representation of the present utility model;
Fig. 3 coordinates schematic diagram with contacting for movable contact spring shown in Fig. 2 and static contact disjunction;
Fig. 4 is the structural representation of another embodiment of the utility model.
In figure:
1. housing; 2. operating head; 3. fairlead; 4. connecting rod; 5. inner chamber; 6. baffle plate; 7. back-moving spring; 8.O RunddichtringO; 9. outer shroud pedestal; 10. inner ring pedestal; 11. slide rails; 121,122,123,124. static contacts; 13. slide blocks; 141,142. movable contact springs; 15. fixed contacts; 16. moving contacts; 17. contact springs; 18. wiring holes; 19. locking wire folders; 20. spacing steel balls; 21. linking springs; 22. stopper slots.
Embodiment
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
A kind of travel switch, as shown in Figure 1, comprise housing 1 and operating head 2, housing head end is provided with fairlead 3, and the head end of operating head 2 is outside housing 1, and the afterbody of operating head 2 to stretch in fairlead 3 and is connected with connecting rod 4 head end in fairlead 3; Be provided with cavity 5 in housing, be provided with baffle plate 6 between fairlead 3 and cavity 5, connecting rod 4 is arranged with back-moving spring 7, back-moving spring 7 is arranged between operating head 2 and baffle plate 6; Back-moving spring 7 is pagoda spring preferably.Fairlead 3 is provided with O RunddichtringO with the junction of baffle plate 6 and seals 8.
The dicyclo pedestal of similar " time " font is provided with in cavity 5, dicyclo pedestal comprises outer shroud pedestal 9 and inner ring pedestal 10, and dicyclo pedestal is double square ring, and the present embodiment outer-loop rectangle is chamfering, except this embodiment, dicyclo pedestal also can be fillet or other suitable shapes.
According to Fig. 2, inner ring pedestal 10 overlaps with the top margin of outer shroud pedestal 9, four summits place of its outer-loop pedestal 9 is respectively equipped with static contact 121,122,123 and 124, inner ring pedestal 9 is provided with slide rail 11, slide rail 11 is provided with slide block 13, slide block 13 both sides are distributed with movable contact spring 141 and 142, and the fixed contact 15 of static contact and the moving contact 16 of movable contact spring are all outside between cyclic group seat 9 and inner ring pedestal 10; Shown in composition graphs 3 is the moving contact 16 of the movable contact spring of slide block side and fixed contact 15 disjunction on static contact and the cooperation schematic diagram contacted, in figure, the moving contact 16 of movable contact spring 142 contacts with the fixed contact 15 of static contact 122, when movable contact spring 142 moves to static contact 123 and contacts with it, then for the nearly moving contact 16 of static contact 123 side of movable contact spring 142 contacts with the fixed contact 15 on static contact 123.
The tail end of described connecting rod 4 runs through baffle plate 6 and stretches in cavity 5 and be connected with the movable contact spring on inner ring pedestal 9, and connecting rod connects contact and the disjunction that movable contact spring linkage controls movable contact spring and static contact; Connecting rod tail end is connected with slide block 13 elasticity by contact spring 17, slide block is reciprocatingly slided along inner ring base guide movable contact spring between static contact, completes movable contact spring and contact and disjunction with static contact.
Housing is provided with enclosing cover; Dicyclo pedestal is provided with the inner cap matched, and inner cap is connected with pedestal and inner cap and pedestal connecting overall are coated with sealant layer; Fluid sealant is filled with between dicyclo pedestal and outer casing inner wall.
Housing tail end is provided with wiring hole 18, and wiring hole place is provided with locking wire folder 19; The wiring of static contact enters from wiring hole, puts together fixing with locking wire folder.
Under initial condition, movable contact spring 141 contacts with static contact 121,122 respectively with 142, forms switch contact normally closed; Pressing operations head 2, connecting rod 4 starts to move down, and band movable slider 13 and movable contact spring move down, and normally-closed contact disconnects; Continue pressing operations head 2, connecting rod continues to drive movable contact spring and slide block to move down, movable contact spring 141 and 142 is to static contact 123,124 close, normally opened contact starts to connect, until slide block 13 slides to inner ring pedestal 10 tail end, and contact spring 17 compression makes movable contact spring 141 contact with static contact 124,123 respectively with 142, and normally opened contact is on-state always; Loosening operation head, under the effect of back-moving spring, connecting rod band movable slider and movable contact spring reset.
Above-described embodiment is direct acting Automatic-reset travel switch, on the basis of the present embodiment, between operating head and connecting rod, arranges stopping means, makes it to form direct acting Non auto-reset formula travel switch:
Between operating head 2 and connecting rod 4, arrange spacing steel ball 20, spacing steel ball 20 is two, and is connected by linking springs 21 elasticity; Fairlead 3 inwall is provided with stopper slot 22, stopper slot 22 is adaptive with spacing steel ball 21, like this when normally-closed contact disconnect, movable contact spring 141,142 is in static contact 123,124 close processes, spacing steel ball 20 is close stopper slot 22 under the promotion of operating head, when spacing steel ball 10 arrives stopper slot 22 position, the repulsion of linking springs 21 can make spacing steel ball 20 and fall in stopper slot 11 rapidly, and now movable contact spring 141,142 contacts with movable contact spring 124,123 respectively, and travel switch is in normally open; But now, due to linking springs elasticity, by a segment distance under operating head still can continue slightly, normally opened contact also continues to keep on-state.
When needs reset, only need upwards pulling process head, drive spacing steel ball to depart from stopper slot, due to pulling force induced effect, movable contact spring and slide block can be reset to initial condition rapidly.
Advantage of the present utility model is as follows:
1, control system and contact system are concentrated in Crossed Circle pedestal, meeting the overall dimensions significantly reducing travel switch, under the prerequisite meeting electric clearance and creepage distance under 230V/6A AC-15,230/0.25mA DC-13 condition, reduce the interference rate with machinery equipment structural member, make it installation more convenient, the scope of application is wider;
2, dicyclo pedestal arranges inner cap, and filling with sealant, greatly improve the barrier propterty of product, meet II class F insulation standard, the utility model after tested insulation resistance is greater than 500M Europe, and the proof voltage 2500V1min time, contact resistance is less than 0.3 Europe;
The amplitude <2mm of vibration rig, frequency is 13.5HZ, and time of vibration is 3h;
25 DEG C of intensification 2.5h keep 2h to high temperature 60 DEG C, are cooled to 25 DEG C through 2.5h, and be transformed into after low temperature-10 DEG C maintenance 2h through 0.5h again, be warming up to 25 DEG C through 0.5h, come and go 24 cyclic tests, properties of product are intact;
The utility model is placed in 1m deep water 30 minutes, no liquid phenomenon of osmosis; It is sprayed in sealed environment talcum powder 10 minutes, enter phenomenon without dust;
The steel that the preferred decay resistance of the utility model sheathing material, high and low temperature resistance are high and plastic material, the salt spray test of mistake 35 DEG C, 5%NACL concentration, time 6h, properties of product are intact;
3, pattern is many, above-described embodiment of the present utility model is direct acting Automatic-reset and direct acting Non auto-reset formula, do not changing on the basis of inner-cavity structure, the utility model also can be roller type operating head Automatic-reset or Non auto-reset formula etc., expands range of application.
Above the utility model is described in detail.Set forth principle of the present utility model and execution mode herein, above explanation just understands core concept of the present utility model for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection range of the utility model claim.
Claims (7)
1. a travel switch, comprise housing, it is characterized in that: in housing, be provided with cavity, dicyclo pedestal is provided with in cavity, dicyclo pedestal comprises outer shroud pedestal and inner ring pedestal, its outer-loop pedestal is provided with static contact, and inner ring pedestal is provided with movable contact spring, and the fixed contact of static contact and the moving contact of movable contact spring are all outside between cyclic group seat and inner ring pedestal; Also comprise operating head, operating head connects the connecting rod in housing through housing, and connecting rod connects contact and the disjunction that movable contact spring linkage controls movable contact spring and static contact.
2. a kind of travel switch according to claim 1, is characterized in that: housing head end is provided with fairlead, and the afterbody of described operating head to stretch in fairlead and is connected with the connecting rod head end in fairlead; Be provided with baffle plate between fairlead and cavity, connecting rod tail end runs through baffle plate and is connected with the movable contact spring on inner ring pedestal; Connecting rod is arranged with back-moving spring, and back-moving spring is arranged between operating head and baffle plate.
3. a kind of travel switch according to claim 2, is characterized in that: dicyclo pedestal is double square ring, and inner ring pedestal overlaps with the top margin of outer shroud pedestal, and described static contact is separately positioned on four summits place of outer shroud pedestal; Inner ring pedestal is provided with slide rail, slide rail is provided with slide block, connecting rod tail end is by contact spring connection sliding block, the described movable contact spring that connecting rod connects is distributed in slide block both sides, slide block is reciprocatingly slided along inner ring base guide movable contact spring between static contact, completes movable contact spring and contact and disjunction with static contact.
4. a kind of travel switch according to claim 3, is characterized in that: between operating head and connecting rod, arrange spacing steel ball, spacing steel ball is two, and is connected by linking springs elasticity; Fairlead inwall is provided with stopper slot, stopper slot and spacing steel ball adaptation.
5. a kind of travel switch according to any one of claim 1-4, is characterized in that: housing is provided with enclosing cover; Dicyclo pedestal is provided with the inner cap matched, and inner cap is connected with pedestal and inner cap and pedestal connecting overall are coated with sealant layer; Fluid sealant is filled with between dicyclo pedestal and outer casing inner wall.
6. a kind of travel switch according to claim 5, is characterized in that: the junction of fairlead and baffle plate is provided with O RunddichtringO and seals.
7. a kind of travel switch according to claim 6, is characterized in that: housing tail end is provided with wiring hole, and wiring hole place is provided with locking wire folder.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520017052.XU CN204270921U (en) | 2015-01-09 | 2015-01-09 | A kind of travel switch |
| PCT/CN2015/098075 WO2016110181A1 (en) | 2015-01-09 | 2015-12-21 | Travel switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520017052.XU CN204270921U (en) | 2015-01-09 | 2015-01-09 | A kind of travel switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204270921U true CN204270921U (en) | 2015-04-15 |
Family
ID=52805774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520017052.XU Active CN204270921U (en) | 2015-01-09 | 2015-01-09 | A kind of travel switch |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN204270921U (en) |
| WO (1) | WO2016110181A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016110181A1 (en) * | 2015-01-09 | 2016-07-14 | 南通昌荣机电有限公司 | Travel switch |
| CN107187974A (en) * | 2017-07-24 | 2017-09-22 | 江苏莘翔机电有限公司 | One kind switch water-tight device |
| CN109119261A (en) * | 2018-09-20 | 2019-01-01 | 贵州航天电器股份有限公司 | Travel switch contactor with multiple signals |
| CN110571072A (en) * | 2019-08-23 | 2019-12-13 | 贵州航天电器股份有限公司 | Small travel switch with locking function |
| CN113130228A (en) * | 2021-03-29 | 2021-07-16 | 南通勇振机电有限公司 | High-temperature-resistant travel switch |
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|---|---|---|---|---|
| CN108534663B (en) * | 2018-04-28 | 2024-02-02 | 郑州大学 | Damage-free U-shaped strain gauge |
| CN108565141A (en) * | 2018-06-08 | 2018-09-21 | 南通勇振机电有限公司 | A kind of elevator limit switch |
| CN109036944B (en) * | 2018-08-20 | 2024-04-02 | 厦门大恒科技有限公司 | Miniature vacuum contact head mechanism and vacuum contact miniature circuit breaker |
| CN108807021B (en) * | 2018-09-03 | 2024-01-26 | 上海得准开电子科技有限公司 | Contact structure beneficial to reducing heating |
| CN109501372A (en) * | 2018-12-27 | 2019-03-22 | 济南二机床集团有限公司 | Moveable platform of press limit switch trigger mechanism |
| CN110491698B (en) * | 2019-10-10 | 2024-03-29 | 上海华晟电器有限公司 | Portable waterproof travel switch |
| CN111580624B (en) * | 2020-04-24 | 2022-06-21 | 深圳市磐镭智能科技有限公司 | Desktop computer heat abstractor |
| CN113671576A (en) * | 2021-07-23 | 2021-11-19 | 苏州瑞力特通信科技有限公司 | Intelligent inspection well cover monitor |
| CN217588723U (en) * | 2022-03-31 | 2022-10-14 | 蔚来汽车科技(安徽)有限公司 | Travel switch, trailer coupler and vehicle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5061831A (en) * | 1990-07-03 | 1991-10-29 | Motorola, Inc. | Hermetic switch |
| CN102623206B (en) * | 2012-03-28 | 2014-04-23 | 桂林航天电子有限公司 | Round cable output travel switch |
| CN203966872U (en) * | 2014-07-15 | 2014-11-26 | 刘平凡 | Dust-protection type travel switch |
| CN204270921U (en) * | 2015-01-09 | 2015-04-15 | 南通昌荣机电有限公司 | A kind of travel switch |
-
2015
- 2015-01-09 CN CN201520017052.XU patent/CN204270921U/en active Active
- 2015-12-21 WO PCT/CN2015/098075 patent/WO2016110181A1/en active Application Filing
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016110181A1 (en) * | 2015-01-09 | 2016-07-14 | 南通昌荣机电有限公司 | Travel switch |
| CN107187974A (en) * | 2017-07-24 | 2017-09-22 | 江苏莘翔机电有限公司 | One kind switch water-tight device |
| CN109119261A (en) * | 2018-09-20 | 2019-01-01 | 贵州航天电器股份有限公司 | Travel switch contactor with multiple signals |
| CN109119261B (en) * | 2018-09-20 | 2020-04-28 | 贵州航天电器股份有限公司 | Travel switch contactor with multi-path signals |
| CN110571072A (en) * | 2019-08-23 | 2019-12-13 | 贵州航天电器股份有限公司 | Small travel switch with locking function |
| CN113130228A (en) * | 2021-03-29 | 2021-07-16 | 南通勇振机电有限公司 | High-temperature-resistant travel switch |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016110181A1 (en) | 2016-07-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |