CN209414675U - A kind of anti-blocking hard seal ball valve - Google Patents
A kind of anti-blocking hard seal ball valve Download PDFInfo
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- CN209414675U CN209414675U CN201822232740.4U CN201822232740U CN209414675U CN 209414675 U CN209414675 U CN 209414675U CN 201822232740 U CN201822232740 U CN 201822232740U CN 209414675 U CN209414675 U CN 209414675U
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- valve
- valve seat
- hard seal
- seal ball
- sphere
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Abstract
A kind of anti-blocking hard seal ball valve, using single valve seat blade construction, good airproof performance, scraper performance sealing surface can effectively remove that viscous there are the impurity of spherical surface to guarantee that sealing surface is injury-free.Single valve holder structure can effectively remove the medium for lodging in lumen upon closing in valve opening, it will not influence the operation of valve, using single valve seat two-way sealing, guarantee that sealing surface of seat is fitted closely with ball seal face by the active force of elastic element, when medium positive stream, it pushes valve seat to be bonded sphere by medium active force to be sealed, when medium is flow backwards, it ensure that the sealing effect of valve by the active force of elastic element, the design protection of anti-blocking hard seal ball valve seat, pass through the effect of graphite and O-ring, effectively prevent granule medium contact resilient element.
Description
Technical field
The utility model is specifically related to valve technology field, and in particular to a kind of anti-blocking hard seal ball valve.
Background technique
Valve must increase to itself sealing performance, operability, cost performance as pipeline headstock gear,
Adapt to the requirement of new technology, new situations.Due to the particularity of certain special operation condition media, valve is caused not opened normally
It closes or can not be effectively sealed and cause serious accident or cause equipment that can not carry out normal production run, it is serious to damage
The economic benefit of enterprise.Currently, as Technologies in Petrochemical Industry application increases, and domestic valve manufacture factory self-technique strength
Constantly reinforce, domestic petrochemical equipment and technical staff are also continuously improved for sealing the anti-understanding for blocking valve firmly, such valve
Application range continuous expansion.It develops the reliable and stable hard sealing of one kind to prevent blocking valve, environmental protection, corollary equipment is pacified
Total continuity operation is of great immediate significance.
Domestic and international common high performance valve is mainly based on flat gate valve, hard seal butterfly valve and gate valve at present.Flat Sluice
The service life of valve sealing surface is shorter, easily washes away scratch by medium and granule materials, leads to seal failure, and flat gate valve lumen
It is easy to accumulate medium influence switch.Butterfly plate stays in always channel when hard seal butterfly valve is due to unlatching, and flow resistance coefficient is big, and butterfly plate is long
Time is washed away by medium, influences service life.When encountering there are when the operating condition of particle in medium, sealing surface is easy to be damaged gate valve,
Influence sealing performance.Based on the above situation, valve seal reliability can be increased substantially by developing anti-blocking hard seal ball valve, be guaranteed
The operation of corollary equipment safe and continuous.
Summary of the invention
In order to solve the deficiencies in the prior art, the utility model provides a kind of anti-blocking hard seal ball valve.
The technical solution that the utility model uses is: a kind of anti-blocking hard seal ball valve, including valve body, the valve body
It is interior to be equipped with sphere, it is connected with valve rod on the sphere, the valve rod upper end is connected with operating mechanism, which is characterized in that institute
Unilateral valve seat is equipped at the medium inlet of the intracorporal runner of the valve stated, the sphere and unilateral valve base chamber sealing cooperate, described
Unilateral valve seat and valve body between be additionally provided with elastic element, the elastic element, which pushes to seal between unilateral valve seat and sphere, matches
It closes, is additionally provided with blade construction on the unilateral valve seat, the surface of the blade construction and sphere, which is engaged, removes viscous deposit
Guarantee that sealing surface is injury-free in the impurity of spherical surface.
The first O-ring is additionally provided between the elastic element and valve body.
The second O-ring and fire prevention graphite circle are additionally provided between the unilateral valve seat and valve body.
The elastic element is disc spring.
The blade construction is located on the sealing surface of unilateral valve seat and sphere.
The valve body is equipped with valve deck, and the valve deck is equipped with packing cavity, is equipped with filler, institute in the packing cavity
The filler stated is equipped with gland.
Third O-ring is additionally provided between the valve rod and valve deck of the filler bottom.
The beneficial effects of the utility model are: the utility model provides a kind of anti-blocking hard seal ball valve, using single valve seat
Blade construction, good airproof performance, scraper performance sealing surface can effectively remove it is viscous there are the impurity of spherical surface guarantee sealing surface not by
Damage.Single valve holder structure can effectively remove the medium for lodging in lumen upon closing in valve opening, will not influence valve
The operation of door guarantees that sealing surface of seat and ball seal face are tight by the active force of elastic element using single valve seat two-way sealing
Closely connected conjunction pushes valve seat to be bonded sphere and is sealed when medium positive stream by medium active force, when medium is flow backwards,
It ensure that the sealing effect of valve, the design protection of anti-blocking hard seal ball valve seat pass through stone by the active force of elastic element
The effect of ink and O-ring, effectively prevents granule medium contact resilient element.The failure of elastic element caused by preventing impurity from accumulating
And valve seat blocks, anti-blocking hard seal ball valve can adapt to installing and using for any position, anti-blocking such as horizontal pipe, vertical pipe
The function that hard seal ball valve filler uses O-ring that soft graphite combination sealing is added to reach No leakage at filler.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is structural schematic diagram at the utility model A.
Fig. 3 is structural schematic diagram at the utility model B.
1- valve body in figure, 2- sphere, 3- valve rod, 4- operating mechanism, the unilateral side 5- valve seat, 6- valve deck, 11- elastic element, 12-
First O-ring, the second O-ring of 13-, 14- fire prevention graphite circle, 51- blade construction, 61- gland, 62- third O-ring.
Specific embodiment
The utility model is further described now in conjunction with Fig. 1, Fig. 1, Fig. 3, a kind of anti-blocking hard seal ball valve, including valve
Body 1, the valve body 1 is interior to be equipped with sphere 2, is connected with valve rod 3 on the sphere 2,3 upper end of valve rod is connected with operation
Mechanism 4, which is characterized in that unilateral valve seat 5, the sphere 2 and list are equipped at the medium inlet of the runner in the valve body 1
Cooperation is sealed between side valve seat 5, and elastic element 11, the elastic element 11 are additionally provided between the unilateral valve seat 5 and valve body 1
For disc spring.The elastic element 11 pushes and seals cooperation between unilateral valve seat 5 and sphere 2, is additionally provided on the unilateral valve seat 5
Blade construction 51, the blade construction 51 are located on the sealing surface of unilateral valve seat 5 and sphere 2.The blade construction 51 with
The surface of sphere 2, which is engaged, removes that viscous there are the impurity of spherical surface to guarantee that sealing surface is injury-free.The utility model uses single valve
Seat blade construction, good airproof performance, scraper performance sealing surface can effectively remove that viscous there are the impurity of spherical surface to guarantee sealing surface not
It is damaged.Single valve holder structure can effectively remove the medium for lodging in lumen upon closing in valve opening, will not influence
The operation of valve guarantees sealing surface of seat and ball seal face by the active force of elastic element using single valve seat two-way sealing
It fits closely, when medium positive stream, pushes valve seat to be bonded sphere by medium active force and be sealed, when medium is flow backwards
When, it ensure that the sealing effect of valve by the active force of elastic element,
The first O-ring 12 is additionally provided between the elastic element 11 and valve body 1.The unilateral valve seat 5 and valve body 1 it
Between be additionally provided with the second O-ring 13 and fire prevention graphite circle 14., by the effect of graphite and O-ring, effectively prevent granule medium from connecing
Touch elastic element.The failure of elastic element caused by preventing impurity from accumulating and valve seat block, and anti-blocking hard seal ball valve can adapt to appoint
What position is installed and used, such as horizontal pipe, vertical pipe.
The valve body 1 is equipped with valve deck 6, and the valve deck 6 is equipped with packing cavity, is equipped with and fills out in the packing cavity
Material, the filler are equipped with gland 61.Third O-ring 62 is additionally provided between the valve rod 3 and valve deck 6 of the filler bottom.
The anti-blocking hard seal ball valve filler of the design protection of anti-blocking hard seal ball valve seat adds soft graphite combination sealing to reach using O-ring
The function of No leakage at filler.
The side of the valve body 1 is additionally provided with valve deck 18, is installed between the valve deck 18 and valve body 1 by stud and nut
Connection.Gasket 19 is additionally provided on the joint face of the valve deck 18 and valve body 1.
In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.In addition, in the description of the present invention, unless otherwise indicated, " multiples' " contains
Justice is two or more.
Every technical staff's notice: although the utility model is described according to above-mentioned specific embodiment, this
The utility model thought of utility model is not limited to that utility model, and any repacking with the utility model thought all will
It is included in this patent scope of patent protection.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of anti-blocking hard seal ball valve, including valve body (1), the valve body (1) is interior to be equipped with sphere (2), the sphere (2)
On be connected with valve rod (3), the valve rod (3) upper end is connected with operating mechanism (4), which is characterized in that in the valve body (1)
Runner medium inlet at be equipped with unilateral valve seat (5), sealing cooperation, described between the sphere (2) and unilateral valve seat (5)
It is additionally provided with elastic element (11) between unilateral valve seat (5) and valve body (1), the elastic element (11) pushes unilateral valve seat (5)
Cooperation is sealed between sphere (2), is additionally provided with blade construction (51) on the unilateral valve seat (5), the blade construction (51)
It is engaged with the surface of sphere (2) and removes that viscous there are the impurity of spherical surface to guarantee that sealing surface is injury-free.
2. a kind of anti-blocking hard seal ball valve according to claim 1, which is characterized in that the elastic element (11) and valve
The first O-ring (12) are additionally provided between body (1).
3. a kind of anti-blocking hard seal ball valve according to claim 1, which is characterized in that the unilateral valve seat (5) and valve
The second O-ring (13) and fire prevention graphite circle (14) are additionally provided between body (1).
4. a kind of anti-blocking hard seal ball valve according to claim 1, which is characterized in that the elastic element (11) is dish
Spring.
5. a kind of anti-blocking hard seal ball valve according to claim 1, which is characterized in that the blade construction (51) is located at
On the sealing surface of unilateral valve seat (5) and sphere (2).
6. a kind of anti-blocking hard seal ball valve according to claim 1, which is characterized in that the valve body (1) is equipped with valve
It covers (6), the valve deck (6) is equipped with packing cavity, and filler is equipped in the packing cavity, and the filler is equipped with gland
(61).
7. a kind of anti-blocking hard seal ball valve according to claim 6, which is characterized in that the valve rod of the filler bottom
(3) it is additionally provided between valve deck (6) third O-ring (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822232740.4U CN209414675U (en) | 2018-12-28 | 2018-12-28 | A kind of anti-blocking hard seal ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822232740.4U CN209414675U (en) | 2018-12-28 | 2018-12-28 | A kind of anti-blocking hard seal ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414675U true CN209414675U (en) | 2019-09-20 |
Family
ID=67941332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822232740.4U Active CN209414675U (en) | 2018-12-28 | 2018-12-28 | A kind of anti-blocking hard seal ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209414675U (en) |
-
2018
- 2018-12-28 CN CN201822232740.4U patent/CN209414675U/en active Active
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