CN209180413U - A kind of oblique V-type skeleton elastic seat floating ball valve - Google Patents
A kind of oblique V-type skeleton elastic seat floating ball valve Download PDFInfo
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- CN209180413U CN209180413U CN201822203631.XU CN201822203631U CN209180413U CN 209180413 U CN209180413 U CN 209180413U CN 201822203631 U CN201822203631 U CN 201822203631U CN 209180413 U CN209180413 U CN 209180413U
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Abstract
The utility model provides a kind of oblique V-type skeleton elastic seat floating ball valve, including valve body and sphere, the valve inner is rotatably connected to sphere, the valve body left end is connect by stud and hex nut with valve deck, and gasket seal is installed between valve body and valve deck, the sphere two sides are fixedly installed with valve seat, and valve seat uses oblique V-type skeleton elastic seat.Valve seat uses oblique V-type skeleton elastic seat, this valve seat can be using tiltedly the design of V-type elastic element makes the flexible plastic of easy-cold flow be provided with elasticity in structure, valve seat is set to be provided with Memorability, so as to which the preload sealing force of sealing surface is effectively guaranteed, make the seal pressure between sealing surface be maintained at one it is relatively low under conditions of, so as to substantially reduce the abrasion of sealing surface, greatly increase the service life.
Description
Technical field
The utility model relates to valve technology field, specifically a kind of oblique V-type skeleton elastic seat floating ball valve.
Background technique
Existing ball valve is divided into floating ball valve and fixing ball valve, and under pressure medium effect, sphere can generate floating ball valve
Certain displacement is simultaneously pressed on the sealing surface of outlet end, guarantees outlet end sealing, therefore to consider that can valve seat withstand
The service load of sphere medium, but existing floating ball valve is with structure is complicated, volume is big, manufacturing process is complicated, sealing surface mill
Damage that larger, service life is very low.Therefore, it is necessary to further be studied on the basis of existing floating ball valve, one kind is provided
Oblique V-type skeleton elastic seat floating ball valve.
Utility model content
The utility model is intended to solve floating ball valve easily occurs that sealing surface wear is larger, service life is very low when in use
The technical issues of, a kind of oblique V-type skeleton elastic seat floating ball valve is provided.
To achieve the above object, the utility model provides the following technical solutions, a kind of oblique V-type skeleton elastic seat float ball
Valve, including valve body and sphere, the valve inner are rotatably connected to sphere, the valve body left end by stud and hex nut with
Valve deck connection, and gasket seal is installed between valve body and valve deck, the sphere two sides are fixedly installed with valve seat, and valve seat is using oblique
V-type skeleton elastic seat.
As an improvement of the above scheme, sealing surface, sealing surface angle root are set between oblique V-type skeleton elastic seat and sphere
According to structure between 42~48 degree, sealing surface with a thickness of 2~5mm；The oblique V-type skeleton elastic seat back side has and valve seal
Plane.
As a further improvement of the foregoing solution, the oblique V-type skeleton in the oblique V-type skeleton elastic seat uses oblique V-type
Design, it is on one side elastic edge, and inclined direction is consistent that two sides, which are on one side fixed edge, and fixed edge angle is 4~6 degree, elasticity
Side is 42~48 degree, and elastic edge is 1~3mm smaller than fixed edge outer circle.
The utility model provides a kind of oblique V-type skeleton elastic seat floating ball valve, has the advantages that
1, valve seat uses the oblique V-type skeleton elastic seat of our company original creation, this valve seat can utilize V-type elastic element oblique in structure
Design so that the flexible plastic of easy-cold flow is provided with elasticity, so that valve seat is provided with Memorability, it is close so as to be effectively guaranteed
The preload sealing force of cover, make the seal pressure between sealing surface be maintained at one it is relatively low under conditions of, so as to significantly
The abrasion for reducing sealing surface, greatly increases the service life.Not only appearance is beautiful but also highly-safe for this product.The product can reduce behaviour
Make torque 30%, the service life increases by 1~2 times.
2, it is wrapped up between the contact surface of valve rod and valve body, gland using full PTFE, is that the abrasion of valve rod is almost nil, pole
The big moment of friction for reducing valve rod simultaneously increases the service life between valve stem seal.
3, compact-sized, good airproof performance, torque be light, long service life, model are at low cost.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is enlarged diagram at Figure 1A of the utility model.
Fig. 3 is enlarged diagram at Figure 1B of the utility model.
Fig. 4 is the stop screw structural schematic diagram of the utility model.
In Fig. 1-3: valve body 1, gasket seal 2, valve deck 3, stud 4, hex nut 5, sphere 6, valve seat 7, anti-static spring
8, bushing 11 under antistatic steel ball 9, valve rod 10, valve rod, V-type filler 12, valve rod upper bushing 13, gland 14, limit film 15,
Circlip for shaft 16, handle 17, screw 18.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Such as Fig. 1 to Fig. 4, a kind of oblique V-type skeleton elastic seat floating ball valve, including valve body 1 and sphere 6, in the valve body 1
Portion is rotatably connected to sphere 6, and 1 left end of valve body is connect by stud 4 and hex nut 5 with valve deck 3, and valve body 1 and valve deck 3
Between gasket seal 2 is installed, 6 two sides of sphere are fixedly installed with valve seat 7, and valve seat 7 uses oblique V-type skeleton elastic seat.
Sealing surface is set between oblique V-type skeleton elastic seat and sphere 6, and sealing surface angle between 42~48 degree, is sealed according to structure
Face with a thickness of 2~5mm；There is the plane sealed with valve body 1 at the oblique V-type skeleton elastic seat back side.In oblique V-type skeleton elastic seat
Oblique V-type skeleton designed using oblique V-type, it is on one side elastic edge, and inclined direction is consistent that two sides, which are on one side fixed edge, fixed
Corner degree is 4~6 degree, and elastic edge is 42~48 degree, and elastic edge is 1~3mm smaller than fixed edge outer circle.Oblique V-type skeleton elastic seat,
This valve seat can be such that valve seat has using tiltedly the design of V-type elastic element makes the flexible plastic of easy-cold flow be provided with elasticity in structure
Memorability so as to which the preload sealing force of sealing surface is effectively guaranteed makes the seal pressure between sealing surface be maintained at one
It is a it is relatively low under conditions of, so as to substantially reduce the abrasion of sealing surface, greatly increase the service life.
The oblique V-type skeleton elastic seat uses soft material polytetrafluoroethyl-ne alkenes (PTFE, RPTFE) or nylon-type
(DEVLON, MOLON), the oblique V-type skeleton use cold rolled stainless steel sheet stamped and roll forming, oblique V-type skeleton are fixed
In particular manufacturing craft, then sintering polytetrafluoroethylfilm class (PTFE, RPTFE) or injection molding nylon class outside oblique V-type skeleton
(DEVLON, MOLON) soft material.
6 upper end of sphere is connected to valve rod 10, and valve rod 10 passes through valve body 1, and valve rod 10 is equipped with 11 He of bushing under valve rod
Valve rod upper bushing 13 is provided with V-type filler 12 under valve rod between bushing 11 and valve rod upper bushing 13, and the setting of gland 14 exists
13 outside of valve rod upper bushing, 14 upper end of gland are connected to limit film 15, and the screw hole that screw 18 passes through gland 14 comes
It compresses gland 14 and compresses V-type filler 12 in turn, valve rod 10 passes through gland 14 and limit film 15, and the valve rod 10 pushes up
Portion is equipped with handle 17, is equipped with circlip for shaft 16 between handle 17 and limit film 15, limit film 15 by limit 18 come
Limit the position of the switch of valve rod 10.
10 bottom of valve rod is separately installed with anti-static spring 8 and antistatic steel ball 9, anti-static spring 8 and antistatic
Steel ball 9 makes sphere 6, valve rod 10 and valve body 1 form a current path.
The valve rod 10 and valve body 1, gland 14 contact surface between wrapped up using full PTFE, make the abrasion of valve rod almost
It is zero, greatly reduces the moment of friction of valve rod and increase the service life between valve stem seal.
The utility model product Applicable media has the media such as water, steam, oil, using temperature at minus 29 degree to 200 degree.
The inspection of valve is by the regulation of GB/T 26480, API 598, and flanged joint size is by GB/T9113, ASME
The regulation of B16.5 executes, and butt welded end is executed by the regulation of GB/T 12224, ASME B16.25, and socket welding end presses GB/T
14383, the regulation of ASME B16.11 executes, the regulation of end of thread GB/T 7306.2, GB/T 12716 and ASME B1.20.1
It executes.
The above are merely preferred embodiments of the present invention, it is noted that for those skilled in the art,
Without departing from the concept of the premise utility, several modifications and improvements can also be made, these also should be considered as practical
Novel protection scope, these all will not influence the effect and patent practicability of the utility model implementation.
Claims (7)
1. a kind of oblique V-type skeleton elastic seat floating ball valve, including valve body (1) and sphere (6), valve body (1) inner rotation
It is connected with sphere (6), which is characterized in that valve body (1) left end is connected by stud (4) and hex nut (5) and valve deck (3)
It connecing, and gasket seal (2) is installed between valve body (1) and valve deck (3), sphere (6) two sides are fixedly installed with valve seat (7),
Valve seat (7) uses oblique V-type skeleton elastic seat.
2. a kind of oblique V-type skeleton elastic seat floating ball valve according to claim 1, it is characterised in that: oblique V-type skeleton bullet
Sealing surface is set between property valve seat and sphere (6), sealing surface angle according to structure between 42~48 degree, sealing surface with a thickness of
2~5mm；There is the plane with valve body (1) sealing at the oblique V-type skeleton elastic seat back side.
3. a kind of oblique V-type skeleton elastic seat floating ball valve according to claim 2, it is characterised in that: the oblique V-type bone
Oblique V-type skeleton in frame elastic seat is designed using oblique V-type, and it is on one side elastic edge that two sides, which are on one side fixed edge, and is tilted
Direction is consistent, and fixed edge angle is 4~6 degree, and elastic edge is 42~48 degree, and elastic edge is 1~3mm smaller than fixed edge outer circle.
4. a kind of oblique V-type skeleton elastic seat floating ball valve according to claim 3, it is characterised in that: the oblique V-type bone
Frame elastic seat uses soft material polytetrafluoroethyl-ne alkenes or nylon-type, and the oblique V-type skeleton is using cold rolled stainless steel sheet through rushing
Pressure and roll forming, oblique V-type skeleton are fixed in particular manufacturing craft, then the sintering polytetrafluoroethylfilm class outside oblique V-type skeleton
Or injection molding nylon class soft material.
5. a kind of oblique V-type skeleton elastic seat floating ball valve according to claim 4, it is characterised in that: the sphere (6)
Upper end is connected to valve rod (10), and valve rod (10) passes through valve body (1), and valve rod (10) is equipped under valve rod and serves as a contrast on bushing (11) and valve rod
It covers (13), is provided between bushing (11) and valve rod upper bushing (13) V-type filler (12) under valve rod, and gland (14) is arranged
On the outside of valve rod upper bushing (13), gland (14) upper end is connected to limit film (15), and screw (18) passes through gland
(14) screw hole simultaneously compresses V-type filler (12) in turn to compress gland (14), and valve rod (10) passes through gland (14)
With limit film (15), valve rod (10) top is equipped with handle (17), is equipped with axis between handle (17) and limit film (15)
With circlip (16), limit film (15) limits the position of the switch of valve rod (10) by screw (18).
6. a kind of oblique V-type skeleton elastic seat floating ball valve according to claim 5, it is characterised in that: the valve rod
(10) bottom is separately installed with anti-static spring (8) and antistatic steel ball (9), and anti-static spring (8) and antistatic steel ball (9) make
Sphere (6), valve rod (10) and valve body (1) form a current path.
7. a kind of oblique V-type skeleton elastic seat floating ball valve according to claim 6, it is characterised in that: the valve rod
(10) and valve body (1), gland (14) contact surface between using full PTFE wrap up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822203631.XU CN209180413U (en) | 2018-12-26 | 2018-12-26 | A kind of oblique V-type skeleton elastic seat floating ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822203631.XU CN209180413U (en) | 2018-12-26 | 2018-12-26 | A kind of oblique V-type skeleton elastic seat floating ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209180413U true CN209180413U (en) | 2019-07-30 |
Family
ID=67377792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822203631.XU Active CN209180413U (en) | 2018-12-26 | 2018-12-26 | A kind of oblique V-type skeleton elastic seat floating ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209180413U (en) |
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2018
- 2018-12-26 CN CN201822203631.XU patent/CN209180413U/en active Active
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