CN105156745A - Transmission device for rotary type valve - Google Patents
Transmission device for rotary type valve Download PDFInfo
- Publication number
- CN105156745A CN105156745A CN201510658465.0A CN201510658465A CN105156745A CN 105156745 A CN105156745 A CN 105156745A CN 201510658465 A CN201510658465 A CN 201510658465A CN 105156745 A CN105156745 A CN 105156745A
- Authority
- CN
- China
- Prior art keywords
- box body
- lower box
- square nut
- transmission device
- thread screw
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/502—Mechanical actuating means with screw-spindle or internally threaded actuating means actuating pivotable valve members
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a transmission device for a rotary type valve. The transmission device comprises a box body. The box body is provided with an upper box body and a lower box body. The transmission device further comprises a T-shaped threaded screw rod installed inside the lower box body, a square nut and a shifting fork driven by the square nut. The transmission device further comprises a valve rod which is installed inside the lower box body and penetrates through the lower box body. A polished rod portion of the T-shaped threaded screw rod stretches out of the lower box body. The end of the T-shaped threaded screw rod is fixedly connected with a hand wheel in a pin-connection mode. The end, with a U-shaped opening, of the shifting fork is clamped to a cylindrical boss of the square nut. The other end of the shifting fork is connected with the valve rod through a key. According to the transmission device, a worm and gear structure is changed into a screw and nut structure; compared with the prior art, the structure is simpler and more ingenious, the weight and size of the box body are decreased, the installation space occupation is lowered, and the transmission device is matched with the size of the valve body with the caliber smaller than DN50; the transmission mechanical efficiency is further improved, and the follow-up maintenance cost is lowered.
Description
Technical field
The invention belongs to a kind of valve part, particularly belong to a kind of transmission device of rotary type valve.
Background technique
At present, the transmission device of rotary type valve adopts worm gear structure usually, therefore bulky, weight ratio is heavier; And worm gear case and worm gear all adopt casting spheroidal graphite cast iron, worm screw employing carbon steel material usually, so in order to antirust, casing in use must fill solid grease, each parts are in order to reach certain intensity, all need to amplify, therefore bulky, the Heavy Weight of whole worm gear reducer, causes the volume and weight of Worm gear case to be several times of valve body, is not suitable for the screw thread valve being less than DN50.
Summary of the invention
Technical problem to be solved by this invention is: the transmission device providing a kind of rotary type valve.Use the transmission device of this rotary type valve can not only simplify accessory size, reduce box body volume and weight, reduce taking of installing space; But also there is reliable engagement, improve the mechanical efficiency of transmission, without the need to casing is filled grease, reduce follow-up maintenance cost.
The technological scheme that the present invention solves the problems of the technologies described above is: a kind of transmission device of rotary type valve, comprise box body, described box body has a upper cartridge body and a lower box body, this upper cartridge body is connected with lower box body bolt, it is characterized in that: the shift fork also comprising the T-shaped thread screw of the interior installation of lower box body, square nut and driven, also comprise the valve rod also passing this lower box body installed in lower box body; Described T-shaped thread screw is the threaded cylindrical straight-bar of part, and this T-shaped thread screw polished rod part is stretched out outside lower box body, and end adopts pin Connecting format consolidation handwheel; Described square nut is cuboid adds a cylindrical body boss, and its cuboid side to opposite side has the tapped hole run through, and this square nut can screw on described T-shaped thread screw, and this square nut bottom and side are rotated by described lower box body restriction respectively; Described shift fork be U-shaped, one end band run through cylindrical hole and keyway, in exterior periphery with the loose piece of a wedge angle instruction; Described valve rod is the cylindrical straight-bar of one end trough of belt, end band side's tenon; One end that described shift fork has U-shaped opening is connected on the cylindrical body boss on this square nut, and the other end of this shift fork is connected with described valve rod by key; Described hand wheel rotating can drive this T-shaped thread screw to rotate, and square nut can move radially along T-shaped thread screw, and drive shift fork does the rotary motion around valve rod, and valve rod can be with movable valve to do and open and close motion;
Described T-shaped thread screw, shift fork and valve rod are made by stainless steel material;
Described square nut is made by Cu alloy material.
Working procedure of the present invention is: the handwheel of the transmission device of rotary type valve of the present invention drives T-shaped thread screw to rotate, square nut moves radially along T-shaped thread screw, drive shift fork do the rotary motion around valve rod and be with ovable valve stem to rotate, valve rod rotating band movable valve does and opens and closes motion.
The invention has the beneficial effects as follows: the present invention is owing to changing the worm gear structure of prior art into bolt and nut structure, and the lower box body seamed edge utilizing box body to have is as the rotary stopper of square nut, the rotation motion of the worm and gear of prior art is changed into the straight line motion of bolt and nut, more simple, small and exquisite compared with the structure of prior art, reduce box body volume and weight, effectively reduce taking of installing space, the valve body volume being less than DN50 with bore matches; Also improve the mechanical efficiency of transmission, safe and reliable, also without the need to box body is filled grease, decrease follow-up maintenance cost.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described;
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of upper cartridge body of the present invention;
In accompanying drawing: 1. upper cartridge body, 2. lower box body, 3.T type thread screw, 4. square nut, 5. shift fork, 6. valve rod, 7. handwheel.
Embodiment
Below by specific embodiment, the present invention is described in further detail.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of transmission device of rotary type valve, comprise box body, described box body has a upper cartridge body 1 and a lower box body 2, this upper cartridge body 1 is connected with lower box body 2 bolt, it is characterized in that: the shift fork 5 also comprising the T-shaped thread screw 3 of the interior installation of lower box body 2, square nut 4 and driven, also comprise the valve rod 6 also passing this lower box body 2 installed in lower box body 2; Described T-shaped thread screw 3 is the threaded cylindrical straight-bar of part, and this T-shaped thread screw 3 polished rod part is stretched out outside lower box body 2, and end adopts pin Connecting format consolidation handwheel 7; Described square nut 4 adds a cylindrical body boss on cuboid, and its cuboid side to opposite side has the tapped hole run through, and this square nut 4 can screw on described T-shaped thread screw 3, and this square nut 4 bottom surface and side are limited rotation by described lower box body 2 respectively; Described shift fork 5 for U-shaped, one end band run through cylindrical hole and keyway, in exterior periphery with the loose piece of a wedge angle instruction; Described valve rod 6 is the cylindrical straight-bar of one end trough of belt, end band side's tenon; One end that described shift fork 5 has U-shaped opening is connected on the cylindrical body boss on this square nut 4, and the other end of this shift fork 5 is connected with described valve rod 6 by key; Described handwheel 7 can drive T-shaped thread screw 3 to rotate, and square nut 4 can move radially along T-shaped thread screw 3, and drive shift fork 5 does the rotary motion around valve rod 6, and valve rod 6 can be with movable valve to do and open and close motion.
Embodiment 2
As shown in Figure 1 and Figure 2, a kind of transmission device of rotary type valve, comprise box body, described box body has a upper cartridge body 1 and a lower box body 2, this upper cartridge body 1 is connected with lower box body 2 bolt, it is characterized in that: the shift fork 5 also comprising the T-shaped thread screw 3 of the interior installation of lower box body 2, square nut 4 and driven, also comprise the valve rod 6 also passing this lower box body 2 installed in lower box body 2; Described T-shaped thread screw 3 is the threaded cylindrical straight-bar of part, and this T-shaped thread screw 3 polished rod part is stretched out outside lower box body 2, and end adopts pin Connecting format consolidation handwheel 7; Described square nut 4 adds a cylindrical body boss on cuboid, and its cuboid side to opposite side has the tapped hole run through, and this square nut 4 can screw on described T-shaped thread screw 3, and this square nut 4 bottom surface and side are limited rotation by described lower box body 2 respectively; Described shift fork 5 for U-shaped, one end band run through cylindrical hole and keyway, in exterior periphery with the loose piece of a wedge angle instruction; Described valve rod 6 is the cylindrical straight-bar of one end trough of belt, end band side's tenon; One end that described shift fork 5 has U-shaped opening is connected on the cylindrical body boss on this square nut 4, and the other end of this shift fork 5 is connected with described valve rod 6 by key; Described handwheel 7 can drive T-shaped thread screw 3 to rotate, and square nut 4 can move radially along T-shaped thread screw 3, and drive shift fork 5 does the rotary motion around valve rod 6, and valve rod 6 can be with movable valve to do and open and close motion;
Described T-shaped thread screw 3, shift fork 5 and valve rod 6 are made by stainless steel material;
Described square nut 4 is made by Cu alloy material.
By above-mentioned description, those skilled in the art in the scope not departing from this invention technological thought, can carry out various change and revise within protection scope of the present invention completely.Unaccomplished matter of the present invention, belongs to the common practise of those skilled in the art.
Claims (2)
1. the transmission device of a rotary type valve, comprise box body, described box body has a upper cartridge body and a lower box body, this upper cartridge body is connected with lower box body bolt, it is characterized in that: the shift fork also comprising the T-shaped thread screw of the interior installation of lower box body, square nut and driven, also comprise the valve rod also passing this lower box body installed in lower box body; Described T-shaped thread screw is the threaded cylindrical straight-bar of part, and this T-shaped thread screw polished rod part is stretched out outside lower box body, and end adopts pin Connecting format consolidation handwheel; Described square nut is cuboid adds a cylindrical body boss, and its cuboid side to opposite side has the tapped hole run through, and this square nut can screw on described T-shaped thread screw, and this square nut bottom and side are rotated by described lower box body restriction respectively; Described shift fork be U-shaped, one end band run through cylindrical hole and keyway, in exterior periphery with the loose piece of a wedge angle instruction; Described valve rod is the cylindrical straight-bar of one end trough of belt, end band side's tenon; One end that described shift fork has U-shaped opening is connected on the cylindrical body boss on this square nut, and the other end of this shift fork is connected with described valve rod by key; Described handwheel can drive T-shaped thread screw to rotate, and square nut can move radially along T-shaped thread screw, and drive shift fork does the rotary motion around valve rod, and valve rod can be with movable valve to do and open and close motion.
2. the transmission device of a kind of rotary type valve according to claim 1, is characterized in that: described T-shaped thread screw, shift fork and valve rod are made by stainless steel material; Described square nut is made by Cu alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510658465.0A CN105156745A (en) | 2015-10-12 | 2015-10-12 | Transmission device for rotary type valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510658465.0A CN105156745A (en) | 2015-10-12 | 2015-10-12 | Transmission device for rotary type valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105156745A true CN105156745A (en) | 2015-12-16 |
Family
ID=54797713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510658465.0A Pending CN105156745A (en) | 2015-10-12 | 2015-10-12 | Transmission device for rotary type valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105156745A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145713A (en) * | 2020-09-10 | 2020-12-29 | 耐氟隆集团有限公司 | Zero-leakage high-performance fluorine-lined butterfly valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2130994Y (en) * | 1992-07-06 | 1993-04-28 | 孟庆塘 | Driving device for opening or closing ball valve or butterfly valve |
| US7303180B1 (en) * | 2006-12-18 | 2007-12-04 | Val Matic Valve & Mfg. Corp. | Valve actuator with split thrust bearing |
| CN201439843U (en) * | 2009-06-19 | 2010-04-21 | 湖北洪城通用机械股份有限公司 | Chute type lead screw transmission device |
| CN102230552A (en) * | 2011-06-23 | 2011-11-02 | 扬州市西博思科技发展有限公司 | Crank type valve driving device |
| CN205047959U (en) * | 2015-10-12 | 2016-02-24 | 济南迈克阀门科技有限公司 | Transmission of gyration type valve |
-
2015
- 2015-10-12 CN CN201510658465.0A patent/CN105156745A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2130994Y (en) * | 1992-07-06 | 1993-04-28 | 孟庆塘 | Driving device for opening or closing ball valve or butterfly valve |
| US7303180B1 (en) * | 2006-12-18 | 2007-12-04 | Val Matic Valve & Mfg. Corp. | Valve actuator with split thrust bearing |
| CN201439843U (en) * | 2009-06-19 | 2010-04-21 | 湖北洪城通用机械股份有限公司 | Chute type lead screw transmission device |
| CN102230552A (en) * | 2011-06-23 | 2011-11-02 | 扬州市西博思科技发展有限公司 | Crank type valve driving device |
| CN205047959U (en) * | 2015-10-12 | 2016-02-24 | 济南迈克阀门科技有限公司 | Transmission of gyration type valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145713A (en) * | 2020-09-10 | 2020-12-29 | 耐氟隆集团有限公司 | Zero-leakage high-performance fluorine-lined butterfly valve |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151216 |