CN104217868A - Travel switch based on achievement on internal stable operation - Google Patents
Travel switch based on achievement on internal stable operation Download PDFInfo
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- CN104217868A CN104217868A CN201410500212.6A CN201410500212A CN104217868A CN 104217868 A CN104217868 A CN 104217868A CN 201410500212 A CN201410500212 A CN 201410500212A CN 104217868 A CN104217868 A CN 104217868A
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- contact
- dynamic circuit
- plate
- stationary contact
- contact bridge
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Abstract
The invention discloses a travel switch based on achievement on internal stable operation. A housing is provided with a through hole and an ejection rod, a supporting column is arranged in a cavity, a limiting plate is arranged between the supporting column and the ejection rod and connected with the ejection rod and the supporting column, the supporting column is provided with a positioning mandrel, a normally opened static contact bridge is arranged in the cavity, a normally closed static contact bridge is fixed to the normally opened static contact bridge, a supporting plate is arranged on a wiring seat and provided with a connecting spring, the connecting spring is fixed to the supporting column, a contact plate is provided with contacts, a limiting guide plate is arranged between a normally opened contact and a normally closed contact and fixed to the normally opened contact and the normally closed contact, the contact plate is inserted into the limiting guide plate, and the positioning mandrel is sleeved with a pressing plate and a reset spring. The travel switch is limited through a moving track of the contact plate in the switch, further ensures the contact accuracy of the contacts and enables the contacts to operate stably, and the service life of the travel switch reaches to the design requirement.
Description
Technical field
The present invention relates to a kind of switch, especially relate to a kind of based on realizing internal operation travel switch stably.
Background technology
Switch refers to that one can make open circuit, makes current interruptions or make it flow to the electronic component of other circuit.Travel switch is the position switch one of (claiming again limit switch), is a kind of conventional little electric current master control electrical apparatus.Utilize the collision of manufacturing machine moving component to make its contact action realize connection or disjunction control circuit, reach certain control object.Conventionally, this class switch is used to position or the stroke of limit mechanical motion, make movable machinery by certain position or stroke automatically stop, counter motion, variable motion or back and forth movement etc. automatically.In electric control system, the effect of position switch is the detection that realizes sequential control, positioning control and location status.For controlling stroke and the position limitation protection of plant equipment.Travel switch is the stroke that reacts work mechanism, gives an order to control the switch of its direction of motion and stroke size, is mainly used in the spacing and program control of lathe, automatic assembly line and other machinery.Travel switch is owing to being to be undertaken spacing by collision; in collision back and forth; it is loosening that lasting vibration easily causes the element of switch inside to produce; running orbit or the degree of being connected firmly of switch internal components are affected; cause travel switch to work, do not reach designing requirement the useful life of travel switch.
Summary of the invention
The object of the invention is to overcome above-mentioned existing travel switch in collision back and forth, it is loosening that lasting vibration easily causes the element of switch inside to produce, running orbit or the degree of being connected firmly of switch internal components are affected, do not reach the problem of designing requirement the useful life of travel switch, design a kind of based on realizing internal operation travel switch stably, the trip switch limits by splitting the inner contact plate motion track in pass, and then provide guarantee to contact accuracy, make its operation more steady, reach designing requirement the useful life of travel switch, solve existing travel switch in collision back and forth, it is loosening that lasting vibration easily causes the element of switch inside to produce, running orbit or the degree of being connected firmly of switch internal components are affected, do not reach the problem of designing requirement the useful life of travel switch.
Object of the present invention is achieved through the following technical solutions: based on realizing internal operation travel switch stably, comprise the housing of inner hollow, the top of described housing offers through hole, and through hole is communicated with enclosure interior, in the cavity of housing, be provided with push rod, push rod is arranged in through hole, the top of push rod is arranged on outside, and push rod can carry out the movement of vertical along self axis in through hole, in cavity, be provided with support column, support column is arranged on the below of push rod, between support column and push rod, be provided with limiting plate, the top of limiting plate is connected with the bottom of push rod, the bottom of limiting plate is connected with support column top, and the face size of limiting plate is greater than the face size of through hole, support column is provided with locating shaft core, the top of locating shaft core is connected with the bottom of support column, and the center line of push rod, the center line of limiting plate, the center line of the center line of support column and locating shaft core overlaps, in cavity, be provided with the dynamic circuit connector stationary contact bridge that is inverted L shape structure, lateral wall and the cavity sidewalls of dynamic circuit connector stationary contact bridge are fixed, dynamic circuit connector stationary contact bridge is symmetricly set on the both sides of locating shaft core, on each dynamic circuit connector stationary contact bridge, be fixed with the dynamic circuit breaker stationary contact bridge that is L-type structure, the lateral wall of dynamic circuit breaker stationary contact bridge is fixed with the madial wall of corresponding dynamic circuit connector stationary contact bridge, the top, inner side of dynamic circuit connector stationary contact bridge is provided with make contact, the inner side of dynamic circuit breaker stationary contact bridge is provided with break contact, break contact be arranged on corresponding make contact under, in cavity, be provided with several junction blocks, the top of junction block contacts with the bottom of dynamic circuit connector stationary contact bridge with dynamic circuit breaker stationary contact bridge, the top of junction block is provided with supporting bracket, supporting bracket is arranged between dynamic circuit breaker stationary contact bridge, locating shaft core is through supporting bracket, the outer wall of support column is symmetrically arranged with linking springs, the outer wall of linking springs one end and support column is fixed, the other end is connected with contact plate, contact plate is arranged between break contact and make contact, the two ends of contact plate are provided with contact, between the break contact of the same side and make contact, be provided with spacing guide plate, the two ends of spacing guide plate are fixed with corresponding break contact and make contact respectively, insert in spacing guide plate corresponding contact plate one end, and contact plate can carry out along spacing guide plate the movement of vertical, on the outer wall of described locating shaft core, be sheathed with pressure strip and back-moving spring, pressure strip be arranged on back-moving spring directly over, and pressure strip is arranged between dynamic circuit breaker stationary contact bridge, the bottom of back-moving spring contacts with the top of supporting bracket.
In sum; the invention has the beneficial effects as follows: the trip switch limits by splitting the inner contact plate motion track in pass; and then provide guarantee to contact accuracy; make its operation more steady; reach designing requirement the useful life of travel switch; solve existing travel switch in collision back and forth; it is loosening that lasting vibration easily causes the element of switch inside to produce; running orbit or the degree of being connected firmly of switch internal components are affected, do not reach the problem of designing requirement the useful life of travel switch.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Mark and corresponding parts title in accompanying drawing: 1-housing; 2-pressure strip; 3-push rod; 4-limiting plate; 5-support column; 6-linking springs; 8-make contact; 9-contact; 10-contact plate; 11-break contact; 12-dynamic circuit breaker stationary contact bridge; 13-dynamic circuit connector stationary contact bridge; 14-junction block; 15-supporting bracket; 16-back-moving spring; 17-locating shaft core; 18-spacing guide plate.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment 1:
As shown in Figure 1, based on realizing internal operation travel switch stably, comprise the housing 1 of inner hollow, the top of described housing 1 offers through hole, and through hole and housing 1 internal communication, in the cavity of housing 1, be provided with push rod 3, push rod 3 is arranged in through hole, the top of push rod 3 is arranged on housing 1 outside, and push rod 3 can carry out the movement of vertical along self axis in through hole, in cavity, be provided with support column 5, support column 5 is arranged on the below of push rod 3, between support column 5 and push rod 3, be provided with limiting plate 4, the top of limiting plate 4 is connected with the bottom of push rod 3, the bottom of limiting plate 4 is connected with support column 5 tops, and the face size of limiting plate 4 is greater than the face size of through hole, support column 5 is provided with locating shaft core 17, the top of locating shaft core 17 is connected with the bottom of support column 5, and the center line of push rod 3, the center line of limiting plate 4, the center line of the center line of support column 5 and locating shaft core 17 overlaps, in cavity, be provided with the dynamic circuit connector stationary contact bridge 13 that is inverted L shape structure, lateral wall and the cavity sidewalls of dynamic circuit connector stationary contact bridge 13 are fixed, dynamic circuit connector stationary contact bridge 13 is symmetricly set on the both sides of locating shaft core 17, on each dynamic circuit connector stationary contact bridge 13, be fixed with the dynamic circuit breaker stationary contact bridge 12 that is L-type structure, the lateral wall of dynamic circuit breaker stationary contact bridge 12 is fixed with the madial wall of corresponding dynamic circuit connector stationary contact bridge 13, the top, inner side of dynamic circuit connector stationary contact bridge 13 is provided with make contact 8, the inner side of dynamic circuit breaker stationary contact bridge 12 is provided with break contact 11, break contact 11 be arranged on corresponding make contact 8 under, in cavity, be provided with several junction blocks 14, the top of junction block 14 contacts with the bottom of dynamic circuit connector stationary contact bridge 13 with dynamic circuit breaker stationary contact bridge 12, the top of junction block 14 is provided with supporting bracket 15, supporting bracket 15 is arranged between dynamic circuit breaker stationary contact bridge 12, locating shaft core 17 is through supporting bracket 15, the outer wall of support column 5 is symmetrically arranged with linking springs 6, the outer wall of linking springs 6 one end and support column 5 is fixed, the other end is connected with contact plate 10, contact plate 10 is arranged between break contact 11 and make contact 8, the two ends of contact plate 10 are provided with contact 9, between the break contact 11 of the same side and make contact 8, be provided with spacing guide plate 18, the two ends of spacing guide plate 18 are fixing with corresponding break contact 11 and make contact 8 respectively, insert in spacing guide plate 18 corresponding contact plate 10 one end, and contact plate 10 can carry out the movement of vertical along spacing guide plate 18, on the outer wall of described locating shaft core 17, be sheathed with pressure strip 2 and back-moving spring 16, pressure strip 2 be arranged on back-moving spring 16 directly over, and pressure strip 2 is arranged between dynamic circuit breaker stationary contact bridge 12, the bottom of back-moving spring 16 contacts with the top of supporting bracket 15.In the time of the buting iron bruising push rod 3 of moving component, push rod 3 moves down, and compression linking springs 6 makes it to store certain energy, and in this process, back-moving spring 16 is compressed.In the time that push rod 3 moves to certain position, the elastic force direction of linking springs 6 changes, and the energy simultaneously storing is released, and completes the quick changing-over action of great-jump-forward.In the time that buting iron leaves push rod 3, push rod 3 moves under the effect of back-moving spring 16, above moves on to certain position, and contact bridge is instantaneous carries out quick changing-over, and contact returns to rapidly previous status.In the course of work of travel switch, push rod 3 moves around in process buting iron, the displacement of linking springs 6 and track have slight position to change, cause its track moving not necessarily on vertical guide, cause the position that do not reach of contact 9 and break contact 11 or make contact 8, the work that forms switch cannot successfully be realized, linking springs 6 pulls contact plate 10 to realize contact contact, therefore, need to limit the motion track of contact plate 10, so be specially provided with spacing guide plate 18 between break contact 11 and make contact 8, in spacing guide plate 18, be provided with groove, contact plate 10 one end are arranged in groove, vertical by contact plate 10 in groove moves, limit the motion track of contact plate 10, contact on contact plate 10 can very accurately be contacted with break contact 11 or make contact 8, make travel switch operation more steady, the trip switch limits by splitting the inner contact plate motion track in pass, and then provide guarantee to contact accuracy, make its operation more steady, reach designing requirement the useful life of travel switch, solve existing travel switch in collision back and forth, it is loosening that lasting vibration easily causes the element of switch inside to produce, running orbit or the degree of being connected firmly of switch internal components are affected, do not reach the problem of designing requirement the useful life of travel switch.
The above; it is only preferred embodiment of the present invention; not the present invention is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technology of the present invention, method are done above embodiment in fact, within all falling into protection scope of the present invention.
Claims (1)
1. based on realizing internal operation travel switch stably, it is characterized in that: the housing (1) that comprises inner hollow, the top of described housing (1) offers through hole, and through hole and housing (1) internal communication, in the cavity of housing (1), be provided with push rod (3), push rod (3) is arranged in through hole, the top of push rod (3) is arranged on housing (1) outside, and push rod (3) can carry out the movement of vertical along self axis in through hole, in cavity, be provided with support column (5), support column (5) is arranged on the below of push rod (3), between support column (5) and push rod (3), be provided with limiting plate (4), the top of limiting plate (4) is connected with the bottom of push rod (3), the bottom of limiting plate (4) is connected with support column (5) top, and the face size of limiting plate (4) is greater than the face size of through hole, support column (5) is provided with locating shaft core (17), the top of locating shaft core (17) is connected with the bottom of support column (5), and the center line of push rod (3), the center line of limiting plate (4), the center line of the center line of support column (5) and locating shaft core (17) overlaps, in cavity, be provided with the dynamic circuit connector stationary contact bridge (13) that is inverted L shape structure, lateral wall and the cavity sidewalls of dynamic circuit connector stationary contact bridge (13) are fixed, dynamic circuit connector stationary contact bridge (13) is symmetricly set on the both sides of locating shaft core (17), on each dynamic circuit connector stationary contact bridge (13), be fixed with the dynamic circuit breaker stationary contact bridge (12) that is L-type structure, the lateral wall of dynamic circuit breaker stationary contact bridge (12) is fixed with the madial wall of corresponding dynamic circuit connector stationary contact bridge (13), the top, inner side of dynamic circuit connector stationary contact bridge (13) is provided with make contact (8), the inner side of dynamic circuit breaker stationary contact bridge (12) is provided with break contact (11), break contact (11) be arranged on corresponding make contact (8) under, in cavity, be provided with several junction blocks (14), the top of junction block (14) contacts with the bottom of dynamic circuit connector stationary contact bridge (13) with dynamic circuit breaker stationary contact bridge (12), the top of junction block (14) is provided with supporting bracket (15), supporting bracket (15) is arranged between dynamic circuit breaker stationary contact bridge (12), locating shaft core (17) is through supporting bracket (15), the outer wall of support column (5) is symmetrically arranged with linking springs (6), the outer wall of linking springs (6) one end and support column (5) is fixed, the other end is connected with contact plate (10), contact plate (10) is arranged between break contact (11) and make contact (8), the two ends of contact plate (10) are provided with contact (9), between the break contact (11) of the same side and make contact (8), be provided with spacing guide plate (18), the two ends of spacing guide plate (18) are fixing with corresponding break contact (11) and make contact (8) respectively, insert in spacing guide plate (18) corresponding contact plate (10) one end, and contact plate (10) can carry out the movement of vertical along spacing guide plate (18), on the outer wall of described locating shaft core (17), be sheathed with pressure strip (2) and back-moving spring (16), pressure strip (2) be arranged on back-moving spring (16) directly over, and pressure strip (2) is arranged between dynamic circuit breaker stationary contact bridge (12), the bottom of back-moving spring (16) contacts with the top of supporting bracket (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500212.6A CN104217868A (en) | 2014-09-26 | 2014-09-26 | Travel switch based on achievement on internal stable operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500212.6A CN104217868A (en) | 2014-09-26 | 2014-09-26 | Travel switch based on achievement on internal stable operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104217868A true CN104217868A (en) | 2014-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410500212.6A Pending CN104217868A (en) | 2014-09-26 | 2014-09-26 | Travel switch based on achievement on internal stable operation |
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| Country | Link |
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| CN (1) | CN104217868A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243877A (en) * | 2018-11-14 | 2019-01-18 | 乐沪电子有限公司 | A kind of push switch |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2733556Y (en) * | 2004-06-29 | 2005-10-12 | 沈阳重工电器制造有限公司 | Double-breakpoint quick-breaking contact box |
| CN201054320Y (en) * | 2007-07-16 | 2008-04-30 | 臧琛瑶 | Micromotion switch |
| WO2013004499A1 (en) * | 2011-07-05 | 2013-01-10 | Siemens Aktiengesellschaft | Contact slide unit for a switching unit |
| CN203397926U (en) * | 2013-08-15 | 2014-01-15 | 上海安奕极企业发展有限公司 | Stable connection mechanism for contact switch |
| CN204167132U (en) * | 2014-09-26 | 2015-02-18 | 成都锐奕信息技术有限公司 | The travel switch of internal operation consistent level can be increased |
-
2014
- 2014-09-26 CN CN201410500212.6A patent/CN104217868A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2733556Y (en) * | 2004-06-29 | 2005-10-12 | 沈阳重工电器制造有限公司 | Double-breakpoint quick-breaking contact box |
| CN201054320Y (en) * | 2007-07-16 | 2008-04-30 | 臧琛瑶 | Micromotion switch |
| WO2013004499A1 (en) * | 2011-07-05 | 2013-01-10 | Siemens Aktiengesellschaft | Contact slide unit for a switching unit |
| CN203397926U (en) * | 2013-08-15 | 2014-01-15 | 上海安奕极企业发展有限公司 | Stable connection mechanism for contact switch |
| CN204167132U (en) * | 2014-09-26 | 2015-02-18 | 成都锐奕信息技术有限公司 | The travel switch of internal operation consistent level can be increased |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243877A (en) * | 2018-11-14 | 2019-01-18 | 乐沪电子有限公司 | A kind of push switch |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141217 |