CN103745865B - A kind of pull switch with manual short circuit detection triggering mechanism - Google Patents
A kind of pull switch with manual short circuit detection triggering mechanism Download PDFInfo
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- CN103745865B CN103745865B CN201410015151.4A CN201410015151A CN103745865B CN 103745865 B CN103745865 B CN 103745865B CN 201410015151 A CN201410015151 A CN 201410015151A CN 103745865 B CN103745865 B CN 103745865B
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- main shaft
- housing
- short circuit
- circuit detection
- triggering mechanism
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Abstract
A kind of pull switch with manual short circuit detection triggering mechanism, overcome existing pull switch to operate in the position of the switch, the problem that can not operate at an arbitrary position and can not shut down in time at an arbitrary position, feature is on housing, install manual short circuit detection triggering mechanism, the main shaft of manual short circuit detection triggering mechanism is processed with right-angled trapezium groove, L shape location notch, first dowel hole, annular seal groove, rectangle plane and the threaded thin shaft part of processing, main shaft is installed main shaft seal cushion cover and support arm, the large end of support arm is fixedly connected with housing, the slide block be fixedly connected with main shaft is installed in support arm, main shaft is installed and turns round pressing spring, housing is installed the setting circle pin being used for L shape location notch being moved axially to location and radial rotating location, protecgulum installs transparent window, at the bottom surface installing cables joint of housing, beneficial effect is, achieve operation at an arbitrary position and shut down in time at an arbitrary position, and be convenient to Timeliness coverage and looking up the fault at the scene.
Description
Technical field
The invention belongs to pull switch technical field, particularly a kind of pull switch with manual short circuit detection triggering mechanism.
Background technology
Pull switch of the prior art generally automatically reverts to initial position again after the switch motion of sensitive switch, does not have self-locking mechanism, may cause tape jam restarting equipment like this, there is equipment and personal safety hidden danger, can damage equipment and the person.In order to address this problem, application number be 201220434173.0 utility model patent disclose a kind of pull switch with manual self-locking structure, this pull switch comprises manual self-locking mechanism, described manual self-locking mechanism comprises keeper, manual seat, manual pin and manual cover, keeper is fixedly connected with pull bar, keeper is provided with the portion of placing restrictions in its circumferential lateral surface, manual pin is provided with stop section, self-locking spring is provided with between inwall on the right side of stop section and manual seat, self-locking spring cover is through at manual pin, the left distal end of manual pin can coordinate with the upper surface and lower surface of placing restrictions on portion respectively, operating position in direction and release direction formation location is being pulled to pull bar, when conveying scene needs emergency shutdown, pull draw ring and operate the manual pin in manual self-locking mechanism, the portion of placing restrictions on of keeper can be placed restrictions in the below of manually selling, the operating position of locking pull bar, and then the on off state in locking pull switch, grace time is provided for user fixes a breakdown.Analysis said structure is known; this mechanism's draw ring and the manual self-locking mechanism of operation are in orthogonal direction; not only structure is more complicated; and operation is also complicated, when conveying scene needs emergency shutdown, needs pulling draw ring to operate manual self-locking mechanism simultaneously; therefore; can only operate in the position of the switch, can not operate at an arbitrary position, can not accomplish to shut down in time at an arbitrary position.
In addition, prior art medium pulling rope switch is at the side installing cables joint of housing, and easily immerse by rainwater at the scene in using, water resistance is poor, and the protecgulum that prior art medium pulling rope switch is installed on housing is blind cover, be not easy to Timeliness coverage and looking up the fault at the scene.
Summary of the invention
Technical problem to be solved by this invention is; overcome the deficiencies in the prior art part, provide and can operate at an arbitrary position, can accomplish to shut down in time at an arbitrary position; and simple to operate, a kind of pull switch with manual short circuit detection triggering mechanism that action is safe and reliable.
The technical solution used in the present invention comprises draw ring, housing and protecgulum, housing is installed manual short circuit detection triggering mechanism, the housing wall of described housing is processed with spindle hole, the housing wall of spindle hole position is for thickening housing wall, thicken on housing wall be processed with second dowel hole vertical with spindle hole at this, described manual short circuit detection triggering mechanism comprises the main shaft through spindle hole, described main shaft is processed with right-angled trapezium groove, L shape location notch, first dowel hole, annular seal groove, rectangle plane and the threaded thin shaft part of processing, main shaft is installed main shaft seal cushion cover and support arm, the large end of support arm is fixedly connected with housing, inserted elastic sealing shroud in the small end groove of support arm and the groove of main shaft seal cushion cover, in the annular seal groove of main shaft, " 0 " RunddichtringO is installed, in described support arm, slide block is installed, described slide block is fixedly connected with main shaft by the elastic cylindrical pin installed in the first dowel hole, main shaft is installed and turns round pressing spring, what slide block was inserted in described one end turning round pressing spring turns round pressing spring location hole, the other end insert support arm turn round pressing spring location hole, housing is installed the setting circle pin being used for L shape location notch being moved axially to location and radial rotating location, and installation prevents setting circle pin string from going out the holding screw of the second dowel hole on setting circle pin.
Described L shape location notch is made up of mutually vertical and the axial location groove parallel with main-shaft axis direction of rounding off and the radial detents vertical with main-shaft axis direction.
The hypotenuse of described right-angled trapezium groove forms a cone surface of bit, forms round platform working face, rounding off between cone surface of bit and column working with the column working of main shaft one end.
Described second dowel hole Lower Half is unthreaded hole, and the first half is screwed hole.
Described protecgulum is processed with rectangular aperture and transparent window is installed.
Be processed with the cable interface for installing cables joint in the bottom surface of described housing, in cable interface, installing cables joint, is provided with waterproof sealing gasket between cable joint and housing, fixes with attachment screw.
The travel switch bearing for installing travel switch and the wiring board pillar for installing wiring board is also provided with in described housing, wiring board pillar is fixedly connected with the wiring board with digital display screen with short screw, travel switch bearing is fixedly connected with travel switch with long spiro nail.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the present invention adopts the right-angled trapezium groove processed on a main shaft to control stroke switch motion and L shape location notch realizes moving axially of main shaft and radial rotation within the scope of 90o, and pressing spring is turned round in installation on main shaft, that turns round one end insertion slide block of pressing spring turns round pressing spring location hole, the other end insert support arm turn round pressing spring location hole, on housing, the housing wall of spindle hole position is for thickening housing wall, thicken on housing wall be processed with second dowel hole vertical with spindle hole at this, the setting circle pin being used for L shape location notch being moved axially to location and radial rotating location is installed in this second dowel hole, and installation prevents setting circle pin string from going out the holding screw of the second dowel hole on setting circle pin, achieve moving axially and radial rotating of main shaft, thus achieve and shut down in time at an arbitrary position, and structure is simple, processing ease.
(2) the present invention housing bottom surface installing cables joint and waterproof sealing gasket is installed, entering of rainwater can be prevented at the scene, improve degree of protection.
(3) the present invention installs transparent window on the protecgulum of housing, for observing the show state of digital display screen in housing, is convenient to Timeliness coverage and looking up the fault at the scene.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is the right view of Fig. 1,
Fig. 3 is the upward view of Fig. 1,
Fig. 4 is manual short circuit detection triggering mechanism enlarged drawing of the present invention,
Fig. 5 is main shaft front view of the present invention,
Fig. 6 is the A-A profile of Fig. 5,
Fig. 7 is the B-B profile of Fig. 5,
Fig. 8 is the C-C profile of Fig. 5,
Fig. 9 is that housing master of the present invention looks half sectional view,
Figure 10 be Fig. 9 look up half sectional view.
In figure:
1. draw ring, 2. nut,
3. packing ring, 4. indicator board,
5. main shaft seal cushion cover, 6.O RunddichtringO,
7. elastic seal cartridge, 8. turns round pressing spring,
9. support arm, 10. slide block,
11. sealing gaskets, 12. elastic cylindrical pins,
13. main shafts,
13-1. right-angled trapezium groove, 13-2.L shape location notch,
13-21. axial location groove, 13-22. radial detents
13-3. first dowel hole, 13-4. annular seal groove,
13-5. rectangle plane, the thin shaft part of 13-6.,
13-7. cone surface of bit, 13-8. column working,
14. setting circle pins, 15. housings,
15-1. spindle hole, 15-2. second dowel hole,
15-3 travel switch bearing, 15-4. wiring board pillar, 15-5. cable interface,
16. wiring boards, 17. sealing joint pads,
18. protecgulums, 18-1. transparent window,
19. long soket head cap screws, 20. holding screws,
21. short soket head cap screws, 22. long spiro nails,
23. cable joints, 24. travel switches,
25. short screws, 26. waterproof sealing gasket, 27. attachment screws.
Embodiment
Embodiment 1
As shown in drawings, the present invention includes housing 15, the bottom surface of described housing 15 is processed with 4 cable interface 15-5 for installing cables joint, housing 15 left and right sides housing wall is processed with spindle hole 15-1, housing 15 left and right sides is processed with the housing wall of spindle hole 15-1 position for thickening housing wall, thicken on housing wall be processed with the second dowel hole 15-2 vertical with spindle hole 15-1 at this, this second dowel hole 15-2 Lower Half is unthreaded hole, the first half is screwed hole, the travel switch bearing 15-3 for installing travel switch and the wiring board pillar 15-4 for installing wiring board is also provided with in housing 15, in described housing 15 left and right sides, symmetry installs manual short circuit detection triggering mechanism, described manual short circuit detection triggering mechanism comprises the main shaft 13 through spindle hole 15-1, described main shaft 13 is processed with the right-angled trapezium groove 13-1 of control switch action, the L shape location notch 13-2 that restriction main shaft 13 rotates within the scope of 90o, for installing the first dowel hole 13-3 of slide block alignment pin, the annular seal groove 13-4 of sealing ring is installed and the rectangle plane 13-5 of indicator board is installed, the hypotenuse of described right-angled trapezium groove 13-1 forms a cone surface of bit 13-7, round platform working face is formed with the column working 13-8 of main shaft 13 one end, rounding off between cone surface of bit 13-7 and column working 13-8, main shaft 13 other end is the threaded thin shaft part 13-6 of processing, described L shape location notch 13-2 is made up of the mutually vertical and axial location groove 13-21 parallel with main shaft 13 axis direction of rounding off and the radial detents 13-22 vertical with main shaft 13 axis direction, described L shape location notch 13-2 is enclosed within the setting circle pin 14 that is arranged in the second dowel hole 15-2 vertical with spindle hole 15-1 of housing 15, setting circle pin 14 is for move left and right axial location groove 13-21 and radial detents 13-22 radial rotating positions, setting circle pin 14 is installed and prevents setting circle pin 14 from going here and there out the holding screw 20 of the second dowel hole 15-2, the rectangle plane 13-5 of main shaft 13 installs indicator board 4, process on threaded thin shaft part 13-6 at main shaft 13 and draw ring 1 is installed, indicator board 4 and draw ring 1 use nut 2 and packing ring 3 and main shaft 13 fastening, in the annular seal groove 13-4 of main shaft 13, " 0 " RunddichtringO 6 is installed, on main shaft 13, main shaft seal cushion cover 5 is installed on the right side of indicator board 4, on the right side of main shaft seal cushion cover 5, support arm 9 is installed, at the large end of support arm 9, sealing gasket 11 is installed to align with housing 15, in order to play a role when ensureing that manual short circuit detection triggering mechanism uses, after the large end of support arm 9 installs sealing gasket 11 and housing 15 aligns, main shaft 13 upward direction is made to rotate 100 ° ~ 120 ° by external force, in the unthreaded hole of the second dowel hole 15-2 of housing 15, now install setting circle pin 14 makes main shaft 13 and housing 15 locate, install in the screwed hole of the dowel hole 15-2 of housing 15 again and prevent setting circle pin 14 from going here and there out the holding screw 20 of housing, then with 4 short soket head cap screws 21, support arm 9 is fixedly connected with housing 15, the small end of support arm 9 is processed with groove, main shaft seal cushion cover 5 is also processed with groove, inserted elastic sealing shroud 7 in the groove of support arm 9 and the groove of main shaft seal cushion cover 5, be processed with the first shoulder hole of installation slide block in described support arm 9 and the second shoulder hole turning round pressing spring is installed, also be processed with for turning round pressing spring location hole to what turn round that pressing spring positions in the bottom surface of the second shoulder hole, in the first shoulder hole of support arm 9, slide block 10 is installed, also be processed with in slide block 10 and turn round pressing spring installing hole and turn round pressing spring location hole to what turn round that pressing spring positions, described slide block 10 is fixedly connected with main shaft 13 by the elastic cylindrical pin 12 installed in the first dowel hole 13-3, can move axially with main shaft 13, therefore between slide block 10 and support arm 9, certain glade plane space is left, main shaft 13 is installed and turns round pressing spring 8, that turns round one end insertion slide block 10 of pressing spring 8 turns round pressing spring location hole, the other end insert support arm 9 turn round pressing spring location hole, so namely compression and the torsion of turning round pressing spring 8 can both have been ensured, wiring board pillar 15-4 in housing 15 is fixedly connected with the wiring board 16 with digital display screen with short screw 25, travel switch bearing 15-3 in housing 15 is fixedly connected with travel switch 24 with long spiro nail 22, housing 15 is installed protecgulum 18, described protecgulum 18 is processed with rectangular aperture and transparent window 18-1 is installed, for observing the show state of digital display screen in housing 15, mounting interface sealing gasket 17 between housing 15 and protecgulum 18, be fixed by long soket head cap screw 19, installing cables joint 23 in the bottom surface cable interface 15-5 of housing 15, waterproof sealing gasket 26 is installed between cable joint 23 and housing 15, fix with attachment screw 27, entering of rainwater can be prevented at the scene.
During use, the present invention is fixed on rubber conveyor both sides along the line, every 40 meters ~ 50 meters one, the draw ring 1 of the pull switch left and right sides fixes steel wire rope, the cable installed by cable joint 23 is connected with integrated protection instrument, when scene needs emergency shutdown, by pulling the steel wire rope be through on draw ring 1, can main shaft be pulled outwards to move in optional position at the scene, now main shaft 13 is along the axial location groove 13-21 outwards movement of L shape location notch 13-2, the outwards movement of band movable slider 10, turns round pressing spring 8 and is compressed; The right-angled trapezium groove 13-1 of main shaft 13 stirs travel switch 24 action; main frame power-off is shut down; the radial detents 13-22 of L shape location notch 13-2 arrives the position of setting circle pin 14 simultaneously; under the spring torsion effect turning round pressing spring 8; movable slider 10 is with by main shaft 13, indicator board 4 rotates 90o together with draw ring 1, main shaft 13 locking, and fixing a breakdown to user provides the sufficient time; after failture evacuation, manual short circuit detection triggering mechanism is made to return to normal condition by pulling indicator board 4.
Embodiment 2
Identical with embodiment 1, difference is on the right side of housing 15 or left unilateral installs manual short circuit detection triggering mechanism, and opposite side installs blind plate sealing, is suitable for the situation of monolateral use.
In above-mentioned embodiment, the right-angle side of right-angled trapezium groove 13-1 also can be processed into hypotenuse, form the flat groove of V-arrangement also passable; Or it is also passable that L shape location notch 13-2 is processed into T-shaped location notch, all within protection scope of the present invention.
Claims (7)
1. one kind has the pull switch of manual short circuit detection triggering mechanism, comprise draw ring (1), housing (15) and protecgulum (18), in the manual short circuit detection triggering mechanism of the upper installation of housing (15), it is characterized in that, the housing wall of described housing (15) is processed with spindle hole (15-1), the housing wall of spindle hole (15-1) position is for thickening housing wall, thicken on housing wall be processed with second dowel hole (15-2) vertical with spindle hole (15-1) at this, described manual short circuit detection triggering mechanism comprises the main shaft (13) through spindle hole (15-1), described main shaft (13) is processed with right-angled trapezium groove (13-1), L shape location notch (13-2), first dowel hole (13-3), annular seal groove (13-4), rectangle plane (13-5) and the threaded thin shaft part (13-6) of processing, at main shaft (13) upper installation main shaft seal cushion cover (5) and support arm (9), the large end of support arm (9) is fixedly connected with housing (15), inserted elastic sealing shroud (7) in the small end groove of support arm (9) and the groove of main shaft seal cushion cover (5), in annular seal groove (13-4) in main shaft (13), " 0 " RunddichtringO (6) is installed, in described support arm (9), slide block (10) is installed, described slide block (10) is fixedly connected with main shaft (13) by the elastic cylindrical pin (12) installed in the first dowel hole (13-3), pressing spring (8) is turned round in the upper installation of main shaft (13), what slide block (10) was inserted in described one end turning round pressing spring (8) turns round pressing spring location hole, the other end insert support arm (9) turn round pressing spring location hole, at the upper setting circle pin (14) installed for moving axially location and radial rotating location to L shape location notch (13-2) of housing (15), and prevent setting circle pin (14) from going here and there out the holding screw (20) of the second dowel hole (15-2) in the upper installation of setting circle pin (14).
2. a kind of pull switch with manual short circuit detection triggering mechanism according to claim 1, it is characterized in that, described L shape location notch (13-2) is made up of mutually vertical and the axial location groove (13-21) parallel with main shaft (13) axis direction of rounding off and the radial detents (13-22) vertical with main shaft (13) axis direction.
3. a kind of pull switch with manual short circuit detection triggering mechanism according to claim 1, it is characterized in that, the hypotenuse of described right-angled trapezium groove (13-1) forms a cone surface of bit (13-7), round platform working face is formed, rounding off between cone surface of bit (13-7) and column working (13-8) with the column working (13-8) of main shaft (13) one end.
4. a kind of pull switch with manual short circuit detection triggering mechanism according to claim 1, it is characterized in that, described second dowel hole (15-2) Lower Half is unthreaded hole, and the first half is screwed hole.
5. a kind of pull switch with manual short circuit detection triggering mechanism according to claim 1, is characterized in that, described protecgulum (18) is processed with rectangular aperture and installs transparent window (18-1).
6. a kind of pull switch with manual short circuit detection triggering mechanism according to claim 1, it is characterized in that, the cable interface (15-5) for installing cables joint is processed with in the bottom surface of described housing (15), installing cables joint (23) in cable interface (15-5), waterproof sealing gasket (26) is installed between cable joint (23) and housing (15), fixes with attachment screw (27).
7. a kind of pull switch with manual short circuit detection triggering mechanism according to claim 1, it is characterized in that, the travel switch bearing (15-3) for installing travel switch and the wiring board pillar (15-4) for installing wiring board is also provided with in described housing (15), be fixedly connected with the wiring board (16) with digital display screen at wiring board pillar (15-4) upper short screw (25), be fixedly connected with travel switch (24) at travel switch bearing (15-3) upper long spiro nail (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015151.4A CN103745865B (en) | 2014-01-14 | 2014-01-14 | A kind of pull switch with manual short circuit detection triggering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410015151.4A CN103745865B (en) | 2014-01-14 | 2014-01-14 | A kind of pull switch with manual short circuit detection triggering mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN103745865A CN103745865A (en) | 2014-04-23 |
| CN103745865B true CN103745865B (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410015151.4A Active CN103745865B (en) | 2014-01-14 | 2014-01-14 | A kind of pull switch with manual short circuit detection triggering mechanism |
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| CN (1) | CN103745865B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104091714B (en) * | 2014-06-27 | 2016-03-02 | 浙江湖州森富机电有限责任公司 | Pulling switch |
| CN106743335A (en) * | 2017-04-11 | 2017-05-31 | 兖州煤业股份有限公司 | A kind of jerk latch switch, the ribbon conveyer for colliery |
| CN110867335A (en) * | 2019-12-12 | 2020-03-06 | 天津工程机械研究院有限公司 | Microswitch triggering mechanism |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2629257B1 (en) * | 1988-03-25 | 1990-11-30 | Telemecanique Electrique | CABLE-CONTROLLED ELECTRICAL SAFETY SWITCHING APPARATUS |
| GB0620540D0 (en) * | 2006-10-17 | 2006-11-22 | Idem Safety Switches Ltd | Safety switch |
| CN201262913Y (en) * | 2008-09-25 | 2009-06-24 | 三实电器(漳州)有限公司 | Safety guyrope switch |
| CN202749282U (en) * | 2012-08-28 | 2013-02-20 | 杭州辰德科技有限公司 | Pull cord switch provided with hand-operated self-locking structure |
| CN203721577U (en) * | 2014-01-14 | 2014-07-16 | 沈阳中煤工程技术有限公司 | Pull-cord switch with manual self-locking action mechanism |
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2014
- 2014-01-14 CN CN201410015151.4A patent/CN103745865B/en active Active
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