CN105508691A - Control signal dual-switch valve controller convenient to machine and steady in operation - Google Patents
Control signal dual-switch valve controller convenient to machine and steady in operation Download PDFInfo
- Publication number
- CN105508691A CN105508691A CN201410500152.8A CN201410500152A CN105508691A CN 105508691 A CN105508691 A CN 105508691A CN 201410500152 A CN201410500152 A CN 201410500152A CN 105508691 A CN105508691 A CN 105508691A
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- worm gear
- control signal
- worm
- worm wheel
- casing
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Abstract
The invention relates to a control signal dual-switch valve controller convenient to machine and steady in operation, comprising a box body and a box cover, wherein the box body is internally and axially provided with a semi-circumference gear worm wheel which is in normal running fit with a worm arranged at the inner upper part of the box body, a control signal dual-switch is arranged at the inner lower part of the box body, and a worm wheel axle hole is formed at the center of the worm wheel. The controller is characterized in that limiting jackscrews are correspondingly arranged at two sides of the box body, a circumferential unsealed limit slot is formed in the radial center of the semi-circumferential gear worm wheel, the limiting jackscrews are limited in the circumferential unsealed limit slot, cam slots are formed at two sides of the circumferential unsealed limit slot, cams matched with the control signal dual-switch are machined on the cam slots, the worm wheel axle hole is circular, a stepped platform is arranged at the central position of the worm wheel axle hole, and a cylindrical worm wheel shaft matched with a key slot of the worm wheel axle hole is inserted into the stepped platform. The machining method and structure are simple, the strength is high, the structure is steady, damage of the worm wheel and the worm caused by overlarge torsion can be prevented, and the operation is steady.
Description
Technical field
The present invention relates to a kind of valve positioner, particularly relate to a kind of being convenient to and process and stable control signal biswitch valve positioner.
Background technique
At present, valve positioner is applied widely in industrial production and engineering construction, plays very important effect.How to improve the worm gear in valve positioner casing, performance that worm screw is rotatably assorted, adopting control signal switch directly to coordinate with worm gear is one of the key link.Existing valve positioner control signal switch is with worm and gear for indirectly to coordinate, and control signal switch is arranged at valve positioner case lid position usually, so not only make control signal switch and worm gear precision not good enough, affect valve positioner application performance; Also can strengthen the overall volume of casing, the space taken when installing and using is larger, the inconvenience easily cause installation, using; Meanwhile, in production, consumptive material is many, strengthens cost of production.Moreover existing control signal switch is regular tap, control valve controller will be difficult to when breaking down and normally run.
Existing our company have developed a kind of valve positioner, and it comprises casing, case lid; Half cycle gear-worm gear is axially arranged with in described casing; the worm screw be provided with casing internal upper part is rotatably assorted; in described casing, bottom is provided with control signal biswitch; its half cycle gear-worm gear external frame is processed with the cam matched with control signal biswitch; this kind of processing mode is worm gear external frame welding processing; its intensity difference; and processed complex; structure built on the sand; and casing both sides correspondence is provided with for controlling the set screw opened, close; this set screw only acts on the control mechanism of control signal biswitch, lacks protection for half cycle gear-worm gear inside.And worm gear axis hole is square hole, and worm-wheel shaft front end is also set to coordinate with square hole square, and when controlling torsion and being excessive, worm-wheel shaft drives worm gear and the Power output of worm screw, and worm gear and worm screw are damaged, and valve positioner operation is destroyed.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art; there is provided a kind of half cycle gear-worm gear processing structure simple; the motion of protection half cycle gear-worm gear; Protective valve door controller, what prevent worm gear and worm screw from occurring because torsion is excessive to destroy is convenient to process and stable control signal biswitch valve positioner.
The present invention is achieved by the following technical programs:
Be convenient to process and a stable control signal biswitch valve positioner, this valve positioner comprises casing, case lid, half cycle gear-worm gear is axially arranged with in described casing, the worm screw be provided with casing internal upper part is rotatably assorted, in described casing, bottom is provided with control signal biswitch, described worm gear center is provided with worm gear axis hole, it is characterized in that, described casing both sides correspondence is provided with spacing jackscrew, the radial central authorities of described half cycle gear-worm gear are provided with ring week non-close restraining groove, described spacing jackscrew is spacing in all non-close restraining grooves of ring, the all non-close restraining groove both sides of described ring are provided with cam path, described cam path is processed with the cam coordinated with control signal biswitch, described worm gear axis hole is circular, and be provided with ladder platform in worm gear axis hole central position, described ladder platform is inserted with the cylinder worm-wheel shaft coordinated with worm gear axis hole keyway.
The invention has the beneficial effects as follows:
Owing to being provided with ring week non-close restraining groove in the radial central authorities of half cycle gear-worm gear, casing both sides correspondence is provided with spacing jackscrew, described spacing jackscrew is spacing in all non-close restraining grooves of ring, make to obtain position limitation protection when the limit position of half cycle gear-worm gear motion, the all non-close restraining groove both sides of described ring are provided with cam path, described cam path is processed with the cam coordinated with control signal biswitch, simple lathe car is used to go out ring week non-close restraining groove in the central authorities of half cycle gear-worm gear, the cam path with cam is gone out at the direct car in ring week non-close restraining groove both sides, processing method and structure simple, intensity is high, stabilized structure, because described worm gear axis hole is circular, and be provided with ladder platform in worm gear axis hole central position, described ladder platform is inserted with the cylinder worm-wheel shaft coordinated with worm gear axis hole keyway, when torsion exports excessive, the key be located in worm gear axis hole and worm-wheel shaft keyway is first destroyed, thus protect valve positioner, prevent worm gear and worm screw from destroying because torsion is excessive, make it stable.
Accompanying drawing explanation
Fig. 1 is plan structure schematic diagram of the present invention.
Fig. 2 is the main TV structure schematic diagram of half cycle gear-worm gear of the present invention.
Fig. 3 is perspective view of the present invention.
In figure: 1. casing, 2. worm screw, 3. half cycle gear, 4. cam path, 5. half cycle gear-worm gear, the 6. all non-close restraining grooves of ring, 7. control signal biswitch, 8. cam, 9. spacing jackscrew, 10. worm-wheel shaft, 11. keyways, 12. case lids, 13. ladder platforms.
Embodiment
In order to make those skilled in the art understand technological scheme of the present invention better, below in conjunction with accompanying drawing and most preferred embodiment, the present invention is described in further detail.
As shown in Figure 1, the present invention includes casing 1, case lid 12; Half cycle gear-worm gear 5 is axially arranged with in described casing, the worm screw 2 be provided with casing internal upper part is rotatably assorted, in described casing, bottom is provided with control signal biswitch 7, described worm gear center is provided with worm gear axis hole 10, described casing both sides correspondence is provided with spacing jackscrew 9, the radial central authorities of described half cycle gear-worm gear are provided with all non-close restraining grooves 6 of ring, described spacing jackscrew is spacing in all non-close restraining grooves of ring, the all non-close restraining groove both sides of described ring are provided with cam path 4, described cam path are processed with the cam 8 coordinated with control signal biswitch.In this example, spacing jackscrew penetrates box house from casing both sides by screw and coordinates with ring week non-close restraining groove, described worm gear axis hole is circular, and be provided with ladder platform 13 in worm gear axis hole central position, described ladder platform is inserted with the cylinder worm-wheel shaft 10 coordinated with worm gear axis hole keyway.This spacing worm-wheel shaft position of routine scala media halfpace, makes it move more steady.
Owing to being provided with ring week non-close restraining groove in the radial central authorities of half cycle gear-worm gear, casing both sides correspondence is provided with spacing jackscrew, described spacing jackscrew is spacing in all non-close restraining grooves of ring, make to obtain position limitation protection during the limit position moved at the half cycle gear 3 of half cycle gear-worm gear, the all non-close restraining groove both sides of described ring are provided with cam path, described cam path is processed with the cam coordinated with control signal biswitch, simple lathe car is used to go out ring week non-close restraining groove in the central authorities of half cycle gear-worm gear, the cam path with cam is gone out at the direct car in ring week non-close restraining groove both sides, processing method and structure simple, intensity is high, stabilized structure.
Because described worm gear axis hole is circular; and be provided with ladder platform in worm gear axis hole central position; described ladder platform is inserted with the cylinder worm-wheel shaft coordinated with worm gear axis hole keyway; when torsion exports excessive; the key be located in worm gear axis hole keyway 11 and in worm-wheel shaft keyway is first destroyed; thus protect valve positioner, prevent worm gear and worm screw from destroying because torsion is excessive, make it stable.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (1)
1. be convenient to process and a stable control signal biswitch valve positioner, this valve positioner comprises casing, case lid, half cycle gear-worm gear is axially arranged with in described casing, the worm screw be provided with casing internal upper part is rotatably assorted, in described casing, bottom is provided with control signal biswitch, described worm gear center is provided with worm gear axis hole, it is characterized in that, described casing both sides correspondence is provided with spacing jackscrew, the radial central authorities of described half cycle gear-worm gear are provided with ring week non-close restraining groove, described spacing jackscrew is spacing in all non-close restraining grooves of ring, the all non-close restraining groove both sides of described ring are provided with cam path, described cam path is processed with the cam coordinated with control signal biswitch, described worm gear axis hole is circular, and be provided with ladder platform in worm gear axis hole central position, described ladder platform is inserted with the cylinder worm-wheel shaft coordinated with worm gear axis hole keyway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500152.8A CN105508691A (en) | 2014-09-26 | 2014-09-26 | Control signal dual-switch valve controller convenient to machine and steady in operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500152.8A CN105508691A (en) | 2014-09-26 | 2014-09-26 | Control signal dual-switch valve controller convenient to machine and steady in operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105508691A true CN105508691A (en) | 2016-04-20 |
Family
ID=55716886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410500152.8A Pending CN105508691A (en) | 2014-09-26 | 2014-09-26 | Control signal dual-switch valve controller convenient to machine and steady in operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508691A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2365464Y (en) * | 1998-10-14 | 2000-02-23 | 郑州市蝶阀厂 | Telescopic butterfly valve |
| CN201065984Y (en) * | 2007-06-04 | 2008-05-28 | 陈国顺 | Double-drive valve drive device |
| CN101240861A (en) * | 2008-01-18 | 2008-08-13 | 沈阳恒屹实业有限公司 | Full-sealing valve driving device |
| CN201215183Y (en) * | 2008-04-15 | 2009-04-01 | 上海艾维科阀门有限公司 | Signal butterfly valve for fire-fighting |
| CN201844034U (en) * | 2010-08-05 | 2011-05-25 | 天津联工阀门有限公司 | Butterfly valve provided with control signal biswitch |
| KR20110006259U (en) * | 2009-12-15 | 2011-06-22 | 주식회사 정도기계 | Balve of having gear box |
| CN204176111U (en) * | 2014-09-26 | 2015-02-25 | 天津联工阀门有限公司 | A kind of being convenient to is processed and stable control signal biswitch valve positioner |
-
2014
- 2014-09-26 CN CN201410500152.8A patent/CN105508691A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2365464Y (en) * | 1998-10-14 | 2000-02-23 | 郑州市蝶阀厂 | Telescopic butterfly valve |
| CN201065984Y (en) * | 2007-06-04 | 2008-05-28 | 陈国顺 | Double-drive valve drive device |
| CN101240861A (en) * | 2008-01-18 | 2008-08-13 | 沈阳恒屹实业有限公司 | Full-sealing valve driving device |
| CN201215183Y (en) * | 2008-04-15 | 2009-04-01 | 上海艾维科阀门有限公司 | Signal butterfly valve for fire-fighting |
| KR20110006259U (en) * | 2009-12-15 | 2011-06-22 | 주식회사 정도기계 | Balve of having gear box |
| CN201844034U (en) * | 2010-08-05 | 2011-05-25 | 天津联工阀门有限公司 | Butterfly valve provided with control signal biswitch |
| CN204176111U (en) * | 2014-09-26 | 2015-02-25 | 天津联工阀门有限公司 | A kind of being convenient to is processed and stable control signal biswitch valve positioner |
Non-Patent Citations (2)
| Title |
|---|
| 北京化工大学等: "《塑料机械设计 第2版》", 31 December 1995, 中国轻工业出版社 * |
| 陈修龙: "《机械设计基础》", 30 June 2011, 中国电力出版社 * |
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Application publication date: 20160420 |