CN204985789U - Gearhead valve -stem nut and gearhead valve -stem nut's gate valve - Google Patents
Gearhead valve -stem nut and gearhead valve -stem nut's gate valve Download PDFInfo
- Publication number
- CN204985789U CN204985789U CN201520508155.6U CN201520508155U CN204985789U CN 204985789 U CN204985789 U CN 204985789U CN 201520508155 U CN201520508155 U CN 201520508155U CN 204985789 U CN204985789 U CN 204985789U
- Authority
- CN
- China
- Prior art keywords
- gearhead
- valve
- stem mut
- stem nut
- bearing part
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a gearhead valve -stem nut and gearhead valve -stem nut's gate valve, the purport provides one kind, and the moment of torsion is little, thrust is little, the transmission is reliable, stability is strong, with low costs, long service life's gearhead valve -stem nut and gearhead valve -stem nut's gate valve, the utility model discloses a gearhead valve -stem nut, including the body, wherein: the gearhead valve -stem nut of gearhead valve -stem nut formula structure as an organic whole, body include the dress bearing portions of body lower extreme and the gear engagement part of body upper end, dress bearing portions and gear engagement part formula as an organic whole, and the dress bearing portions is equipped with and adorns the lug of bearing portions formula as an organic whole, the utility model discloses a be equipped with gearhead valve -stem nut's gate valve, including the valve body, wherein: being equipped with the disk seat on the valve body, being equipped with the flashboard on the disk seat, flange gasket in being equipped with on the flashboard, well flange gasket edge are equipped with the valve gap, the valve gap pass through stud and nut cooperation with the flashboard is connected, is equipped with the upper seal seat on the well flange gasket, is equipped with the filler in the upper seal seat.
Description
Technical field
The utility model relates to the transmission Stem Mut for cast steel gate valve, stop valve, is specifically related to the gate valve of gearhead Stem Mut and wheel head valve stem nut.
Background technique
The transmission Stem Mut of general cast steel gate valve, stop valve has two kinds: the first is that Stem Mut is directly contained in gear internal, and engaged each other by the gear teeth of gear and the Stem Mut gear teeth and carry out transmission, this structure is simple, transmission stability good; But can not fill bearing and carry out transmission on Stem Mut, in valve transmission process, frictional force is large, moment of torsion large, and thrust is large, and life of valve is short; The second is Stem Mut is separated type, be made up of two-part, one end of Stem Mut is contained in gear internal, and the other end and bearing are contained on valve rack, middle adopts three-jaw or five pawls to connect, this Stem Mut lower end can running in bearings, and in valve transmission process, frictional force is little, moment of torsion is little, and thrust is little, but poor stability, intensity is low, easily stuck, and difficulty of processing is large, and cost is high, life of valve is short.
Model utility content
A kind of frictional force is little, moment of torsion is little, thrust is little in order to provide for the purpose of this utility model, reliable transmission, stable strong, cost is low, the gearhead Stem Mut of long service life and the gate valve of gearhead Stem Mut.
For realizing the purpose of this utility model, the utility model adopts following technological scheme: a kind of gearhead Stem Mut, comprise body, wherein: gearhead Stem Mut is the gearhead Stem Mut of integral type structure, described body comprises the dress bearing part of body lower end and the gear meshing section of body upper end, described dress bearing part and gear meshing section are integral type, and described dress bearing part is provided with and fills the projection that bearing part is integral type, a kind of lock being provided with gearhead Stem Mut, comprise valve body, wherein: described valve body is provided with valve seat, valve seat is provided with flashboard, flashboard is provided with middle flange gasket, valve gap is provided with above middle flange gasket, valve gap is connected with described flashboard with nut screw connection by stud, middle flange gasket is provided with upper seal support, stuffing box is provided with above upper seal support, filler is provided with in stuffing box, described filler is provided with filler pressing sleeve and Gland, described filler pressing sleeve passes through swing bolt, nut and straight pin coordinate and Gland is fixed together, Gland is provided with support, thrust-bearing is provided with successively above support, gearhead Stem Mut and gland, gear is provided with above gland, the dress bearing part of described gearhead Stem Mut coordinates with thrust-bearing, the gear meshing section of gearhead Stem Mut and gears meshing.
As preferably, the projection of the dress bearing part of described gearhead Stem Mut coordinates with thrust-bearing, and dress bearing part and gear meshing section are integral type.
The beneficial effects of the utility model: described body comprises the dress bearing part of body lower end and the gear meshing section of body upper end, described dress bearing part and gear meshing section are integral type, described dress bearing part is provided with and fills the projection that bearing part is integral type, such that linking intensity is high, reliable transmission stablizes; The projection of the dress bearing part of described gearhead Stem Mut coordinates with thrust-bearing, such that driving torque is little, thrust is little, laborsaving; Gearhead Stem Mut is the gearhead Stem Mut of integral type structure, such that material saving, convenient processing and manufacture, cost are low, long service life.
Accompanying drawing explanation
Fig. 1 is the brake structure schematic diagram of gearhead Stem Mut of the present utility model;
Fig. 2 is gearhead Stem Mut structural representation of the present utility model.
1 be valve body, 2 be valve seat, 3 be flashboard, 4 be valve rod, 5 be nut, 6 be stud, 7 be middle flange gasket, 8 be valve gap, 9 be upper seal support, 10 be filler, 11 be filler pressing sleeve, 12 be Gland, 13 be straight pin, 14 be swing bolt, 15 be nut, 16 be support, 17 be thrust-bearing, 18 for gearhead Stem Mut, 19 is that gland, 20 is for gear, 21 is projection, 22 is dress bearing part, and 23 is gear meshing section.
Embodiment
Further illustrate below in conjunction with accompanying drawing:
As shown in accompanying drawing 1-2: a kind of gearhead Stem Mut of the present utility model, comprise body, wherein: gearhead Stem Mut is the gearhead Stem Mut of integral type structure, described body comprises the dress bearing part of body lower end and the gear meshing section of body upper end, described dress bearing part and gear meshing section are integral type, and described dress bearing part is provided with and fills the projection that bearing part is integral type, a kind of gate valve being provided with gearhead Stem Mut, comprise valve body, wherein: described valve body is provided with valve seat, valve seat is provided with flashboard, flashboard is provided with middle flange gasket, valve gap is provided with above middle flange gasket, valve gap is connected with described flashboard with nut screw connection by stud, upper seal support is provided with above middle flange gasket, filler is provided with above upper seal support, described filler is provided with filler pressing sleeve and Gland, described filler pressing sleeve passes through swing bolt, nut and straight pin coordinate and Gland is fixed together, Gland is provided with support, thrust-bearing is provided with successively above support, gearhead Stem Mut and gland, gear is provided with above gland, the dress bearing part of described gearhead Stem Mut coordinates with thrust-bearing, the gear meshing section of gearhead Stem Mut coordinates with gear, the projection of the dress bearing part of described gearhead Stem Mut coordinates with thrust-bearing.
Gear driven gearhead Stem Mut rotates clockwise, and valve rod is moved downward, and valve rod promotes flashboard and moves downward, and ram seal face and sealing surface of seat match, then for closing, block medium; Otherwise when gear driven gearhead Stem Mut rotates counterclockwise, valve rod drives flashboard up, until sealing surface and upper seal support sealing surface match on valve rod, then for opening, connect medium.
The purpose of this utility model, feature and advantage will in conjunction with the embodiments, are further described with reference to accompanying drawing.To contribute to understanding the utility model by embodiment, but not limit content of the present utility model.All distortion that those of ordinary skill in the art can directly derive from content disclosed in the utility model or associate, all should think protection domain of the present utility model.
Claims (3)
1. a gearhead Stem Mut, comprise body, it is characterized in that: gearhead Stem Mut is the gearhead Stem Mut of integral type structure, described body comprises the dress bearing part of body lower end and the gear meshing section of body upper end, described dress bearing part and gear meshing section are integral type, and described dress bearing part is provided with and fills the projection that bearing part is integral type.
2. one kind is provided with the gate valve of gearhead Stem Mut, comprise valve body, it is characterized in that: described valve body is provided with valve seat, valve seat is provided with flashboard, flashboard is provided with middle flange gasket, valve gap is provided with above middle flange gasket, valve gap is connected with described flashboard with nut screw connection by stud, middle flange gasket is provided with upper seal support, filler is provided with in stuffing box above upper seal support, described filler is provided with filler pressing sleeve and Gland, described filler pressing sleeve passes through swing bolt, nut and straight pin coordinate and Gland is fixed together, Gland is provided with support, thrust-bearing is provided with successively above support, gearhead Stem Mut and gland, gear is provided with above gland, the dress bearing part of described gearhead Stem Mut coordinates with thrust-bearing, the gear meshing section of gearhead Stem Mut and gears meshing.
3. a kind of gate valve being provided with gearhead Stem Mut according to claim 2, is characterized in that: the projection of the dress bearing part of described gearhead Stem Mut coordinates with thrust-bearing, and dress bearing part and gear meshing section are integral type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520508155.6U CN204985789U (en) | 2015-07-14 | 2015-07-14 | Gearhead valve -stem nut and gearhead valve -stem nut's gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520508155.6U CN204985789U (en) | 2015-07-14 | 2015-07-14 | Gearhead valve -stem nut and gearhead valve -stem nut's gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985789U true CN204985789U (en) | 2016-01-20 |
Family
ID=55120157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520508155.6U Expired - Fee Related CN204985789U (en) | 2015-07-14 | 2015-07-14 | Gearhead valve -stem nut and gearhead valve -stem nut's gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985789U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889541A (en) * | 2016-06-30 | 2016-08-24 | 纽威石油设备（苏州）有限公司 | Sand control gate valve |
| CN106641414A (en) * | 2016-12-05 | 2017-05-10 | 常熟市虞菱机械有限责任公司 | Valve driving device capable of being arranged on electric executing mechanism |
-
2015
- 2015-07-14 CN CN201520508155.6U patent/CN204985789U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889541A (en) * | 2016-06-30 | 2016-08-24 | 纽威石油设备（苏州）有限公司 | Sand control gate valve |
| CN105889541B (en) * | 2016-06-30 | 2018-11-09 | 纽威石油设备（苏州）有限公司 | A kind of sand control gate valve |
| CN106641414A (en) * | 2016-12-05 | 2017-05-10 | 常熟市虞菱机械有限责任公司 | Valve driving device capable of being arranged on electric executing mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20170714 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |