CN209294443U - A kind of double castellated Wedge type double gate board gate valves - Google Patents
A kind of double castellated Wedge type double gate board gate valves Download PDFInfo
- Publication number
- CN209294443U CN209294443U CN201822205879.XU CN201822205879U CN209294443U CN 209294443 U CN209294443 U CN 209294443U CN 201822205879 U CN201822205879 U CN 201822205879U CN 209294443 U CN209294443 U CN 209294443U
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- flashboard
- double
- valve
- castellated
- bracket
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- 230000013011 mating Effects 0.000 claims abstract description 4
- 210000004907 gland Anatomy 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000037452 priming Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- -1 steam Substances 0.000 description 1
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- Sliding Valves (AREA)
Abstract
The utility model discloses a kind of double castellated Wedge type double gate board gate valves, including valve body, it is formed with the flashboard members of valve body cooperation using double disc+flashboard bracket+mono- ball-type top heart, double disc and flashboard bracket use castellated connection, single ball-type top heart side and a flashboard are cooperated using mating spherical surfaces, single ball-type top heart other side and another flashboard using cylindrical surface.The utility model is not only simple in structure, good airproof performance, long service life, more light-weight than original structure, and overall cost is low.This product can substitute former Wedge type double gate board gate valve in the occasion of heavy caliber, high temperature and pressure completely, have wide range of applications, be in great demand.
Description
Technical field
The utility model relates to a kind of gate valve, in particular to a kind of double castellated Wedge type double gate board gate valves.
Background technique
Double-flashboard gate valve be suitable for medium be water, sewage pipeline on be used as closed installation, do not allow to make adjustments flow and
Emptying uses.Therefore its structure & working mechanism is consistent with gate valve, opening and closing body drives sealing surface of seat to make elevating movement by valve rod,
It can connect or be truncated the channel of fluid.When valve portion open when, the flashboard back side generate vortex, the erosion of Yi Yinqi flashboard and
Vibration, also sealing surface of seat easy to damage is repaired difficult, is commonly available to not need often to open and close, and keep flashboard standard-sized sheet or
Fully closed operating condition.Double-flashboard gate valve is low with sealing surface machining accuracy relative to single-shutter gate valve, has self-compensating function, especially
Suitable for high temperature and pressure and heavy caliber occasion.Conventional structure Wedge type double gate board gate valve structure be up and down with baffle come to double disc into
Row positioning, lower baffle plate is fixed with bolt, it is stayed in channel when opening the valve, and it is washed away and is shaken by medium for a long time,
It easily falls off, causes valve that cannot use, while former baffle arrangement keeps flashboard thicker, causes valve body figure big, it is at high cost.
Utility model content
The utility model mainly solves technical problem present in the prior art, to provide a kind of not only structure letter
List, good airproof performance, long service life, overall cost low double castellated Wedge type double gate board gate valves more light-weight than original structure.
Above technical problems of the utility model are mainly solved by the following technical scheme:
A kind of double castellated Wedge type double gate board gate valves, including valve body use double-gate with the flashboard members of valve body cooperation
Plate+flashboard bracket+mono- ball-type top heart composition, double disc and flashboard bracket use castellated connection, single ball-type top heart side and one
Flashboard is cooperated using mating spherical surfaces, single ball-type top heart other side and another flashboard using cylindrical surface.
As an improvement of the above technical solution, the castellated structure of double disc is using T-type circular tray designs, and big transverse plane is close
Cover, small end external cylindrical surface mutually connect vehicle annular groove with big end, and several respectively grooves of the raised end mill in annular groove outer end,
Spherical groove and cylindrical groove are processed respectively in the small transverse plane of two flashboards, spherical groove build-up wear-resistant is anti-corrosion hard alloy.Flashboard
Bracket uses key-like structure, is symmetrical slope in bracket two sides, cooperates at inner hole both ends and flashboard small end, and vehicle annular is recessed
Slot, and several respectively grooves of raised end mill in annular groove outer end, this groove are used in assembly through flashboard annular groove protrusion
Then tooth form rotates the raised tooth form for making the raised tooth form of flashboard bracket block flashboard.Flashboard pedestal upper end axis centering is tooth
Type design, while there are two positioning screw hole on the groove at tooth form both ends limits flashboard for installing flashboard positioning screw
Rotation.
Double castellated Wedge type double gate board gate valves by adopting the above technical scheme, this product can be in heavy caliber, high temperature and pressure
Occasion substitute former Wedge type double gate board gate valve completely, have wide range of applications, be in great demand.
It is not only simple in structure, is good airproof performance, long service life, more light-weight than original structure, overall cost is low.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the double castellated Wedge type double gate board gate valves of the utility model.
Fig. 2 is the structural schematic diagram of castellated flashboard bracket described in the utility model.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
As shown in Figures 1 and 2,
A kind of double castellated Wedge type double gate board gate valves, including valve body 1, the flashboard members cooperated with valve body 1 are using double
The mono- ball-type top heart 3 of flashboard 2+ flashboard bracket 4+ forms, and double disc 2 and flashboard bracket 4 use castellated connection, single ball-type top heart 3
Side and a flashboard are cooperated using mating spherical surfaces, 3 other side of single ball-type top heart and another flashboard using cylindrical surface.
The castellated structure of double disc 2 is using T-type circular tray designs, and big transverse plane is sealing surface, small end external cylindrical surface and big
End mutually connects vehicle annular groove, and several respectively grooves of the raised end mill in annular groove outer end, in the small transverse plane of two flashboards
Spherical groove and cylindrical groove are processed respectively, spherical groove build-up wear-resistant is anti-corrosion hard alloy.
Flashboard bracket uses key-like structure, is symmetrical slope in bracket two sides, cooperates at inner hole both ends and flashboard small end,
And vehicle annular groove, and several respectively grooves of raised end mill in annular groove outer end, this groove are used to pass through flashboard in assembly
Then annular groove protrusion tooth form rotates the raised tooth form for making the raised tooth form of flashboard bracket block flashboard.Flashboard pedestal upper end axis
Line centering designs for tooth form, while there are two positioning screw holes on the groove at tooth form both ends, for installing flashboard positioning screw 5
To limit the rotation of flashboard.
Single ball-type top heart 3 using one end cylinder one end spherical surface structure, respectively with the spherical surface and cylindrical surface phase of two flashboards
Cooperation, sphere end build-up wear-resistant is anti-corrosion, and hard alloy significantly increases the service life of valve.
The connection of flashboard bracket 4 and valve rod 7 adds the combination connecting mode of straight pin using screw thread, and screw thread bears the drawing of valve rod
Stress and compression, straight pin bear torsional stress caused by valve rod torque.
The upper end end of valve rod 7 is equipped with valve stem nut 21, and valve stem nut 21 uses upper dress formula nut, valve stem nut 21T type
Step upper and lower ends are equipped with needle thrust bearing 20, and valve stem nut 21 is connected with driving device 24；12 lateral wall position of bracket
Equipped with forced filling oil cup 22, the top of bracket 12 is equipped with bearing gland 23, and bearing gland 23 covers the upper end of needle thrust bearing 20.
The injection that can be convenient lubricating oil by forced filling oil cup 22, outer axial face and needle thrust bearing 20 to valve stem nut 21 are moistened
Sliding processing.Valve stem nut 21 uses upper dress formula nut, and increases the design of needle thrust bearing 20, substitutes conventional thrust ball bearing
With the design of bearing-free, increase grease lubrication, substantially reduce the driving moment of valve and reduces the structure at driving nut position
Size achievees the purpose that energy-saving and emission-reduction, reduces cost.
The junction of valve body 1 and valve deck 9 is provided with gasket seal 8, and valve body 1 and valve deck 9 pass through stud 10 and hex nut
11 connect and fasten, and valve deck 9 upper end is provided with the stuffing-box of valve rod hole and filling filler 15 through valve rod 7, filler 15
Top is equipped with gland 16, and eyelet bolt 18 is connected on valve deck 9 by lateral pin 17, and running through on lateral pin 17 has third
Hex nut 19 compresses eyelet bolt 18, and 9 upper end of valve deck is connected with bracket 12 by stud 13 and the second hex nut 14.
The double castellated Wedge type double gate board gate valves of the utility model, the top of valve rod 7 and valve stem nut 21 pass through T-type screw thread
Connection, valve stem nut 21 are connect with driving device 24, apply torque force to valve stem nut 21 by driving device 24 to drive
Valve rod 7 realizes rotation；The rotation control realization of double disc 2 of valve rod 7 moves up and down, and passes through the mobile realization valve of double disc 2
Opening and closing.
Wherein, the lower end of valve rod 7 is used with the top of flashboard bracket 4 is threadedly coupled and is equipped with pin shaft 6.
Wherein, it is equipped with gasket seal 8 between the top of valve body 1 and valve deck 9, and passes through several studs 10 and hex nut
11；So fixation is stronger.
Wherein, valve body stud 13 is equipped between bracket 12 and the top of valve deck 9, the both ends of valve body stud 13 are equipped with valve
The second hex nut of body 14；So fixation is stronger.
This product can substitute former Wedge type double gate board gate valve in the occasion of heavy caliber, high temperature and pressure completely, have a wide range of application
It is general, be in great demand.
The key technical indexes
1) nominal dimension: DN100~DN2000, NPS4~NPS80.
2) nominal pressure: PN2.5~PN420, CL75~CL2500.
3) Applicable media: the media such as water, steam, oil product.
4) size for connection: flanged joint size: GB/T 9113, ASME B16.5；
Butt welded end: GB/T 12224, ASME B16.25；
5) testing standard: GB/T 26480, API 598.
6) use temperature: -29 DEG C~650 DEG C
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any change or replacement expected without creative work be should be covered within the scope of the utility model.
Therefore, the protection scope of the utility model should be determined by the scope of protection defined in the claims.
Claims (7)
1. a kind of double castellated Wedge type double gate board gate valves, including valve body (1), which is characterized in that the flashboard portion with valve body (1) cooperation
Subassembly is used using double disc (2)+flashboard bracket (4)+mono- ball-type top heart (3) composition, double disc (2) and flashboard bracket (4)
Castellated connection, the single ball-type top heart (3) side and a flashboard use mating spherical surfaces, the single ball-type top heart (3) other side and another lock
Plate is cooperated using cylindrical surface.
2. double castellated Wedge type double gate board gate valves according to claim 1, it is characterised in that: double disc (2) dental inlay
Formula structure is using T-type circular tray designs, and big transverse plane is sealing surface, and small end external cylindrical surface mutually connects vehicle annular groove with big end,
And several respectively grooves of raised end mill in annular groove outer end, spherical groove and cylinder are processed respectively in the small transverse plane of two flashboards
Shape slot, spherical groove build-up wear-resistant is anti-corrosion hard alloy.
3. double castellated Wedge type double gate board gate valves according to claim 1, it is characterised in that: the flashboard bracket uses wedge
Formula structure is symmetrical slope in bracket two sides, cooperates at inner hole both ends and flashboard small end, and vehicle annular groove, and in annular
The raised end mill of slot outer end is several to divide equally groove, this groove is used to then revolve in assembly by flashboard annular groove protrusion tooth form
Turn the raised tooth form for making the raised tooth form of flashboard bracket block flashboard；Flashboard pedestal upper end axis centering designs for tooth form, simultaneously
On the groove at tooth form both ends there are two positioning screw hole, the rotation of flashboard is limited for installing flashboard positioning screw (5).
4. double castellated Wedge type double gate board gate valves according to claim 1, it is characterised in that: the list ball-type top heart (3)
Using the structure of one end cylinder one end spherical surface, matched respectively with the spherical surface of two flashboards and cylindrical surface, sphere end build-up wear-resistant
Anti-corrosion hard alloy.
5. double castellated Wedge type double gate board gate valve according to claim 1, it is characterised in that: the flashboard bracket (4) and
The connection of valve rod (7) adds the combination connecting mode of straight pin using screw thread, and screw thread bears the tensile stress and compression of valve rod, cylinder
Pin bears torsional stress caused by valve rod torque.
6. double castellated Wedge type double gate board gate valves according to claim 5, it is characterised in that: the upper end of the valve rod (7)
End is equipped with valve stem nut (21), and dress formula nut in valve stem nut (21) use, valve stem nut (21) T stage rank upper and lower ends are set
Have needle thrust bearing (20), valve stem nut (21) is connected with driving device (24)；Bracket (12) lateral wall position is equipped with pressure
Priming cup (22)；The top of bracket (12) is equipped with bearing gland (23), and bearing gland (23) covers needle thrust bearing (20)
Upper end.
7. double castellated Wedge type double gate board gate valves according to claim 6, it is characterised in that: valve body (1) and valve deck (9)
Junction is provided with gasket seal (8), and valve body (1) and valve deck (9) are connected and tightly by stud (10) and hex nut (11)
Gu valve deck (9) upper end is provided with the valve rod hole through valve rod (7) and the stuffing-box of filling filler (15), the top of filler (15)
It is equipped with gland (16), eyelet bolt (18) is connected on valve deck (9) by lateral pin (17), and lateral pin runs through on (17)
There are third hex nut (19) to compress eyelet bolt (18), valve deck (9) upper end passes through valve body stud (13) and the second hex nut
(14) bracket (12) are connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822205879.XU CN209294443U (en) | 2018-12-26 | 2018-12-26 | A kind of double castellated Wedge type double gate board gate valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822205879.XU CN209294443U (en) | 2018-12-26 | 2018-12-26 | A kind of double castellated Wedge type double gate board gate valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209294443U true CN209294443U (en) | 2019-08-23 |
Family
ID=67648882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822205879.XU Active CN209294443U (en) | 2018-12-26 | 2018-12-26 | A kind of double castellated Wedge type double gate board gate valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209294443U (en) |
-
2018
- 2018-12-26 CN CN201822205879.XU patent/CN209294443U/en active Active
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