CN209622090U - A kind of forged steel metal hard-sealing ball valve - Google Patents
A kind of forged steel metal hard-sealing ball valve Download PDFInfo
- Publication number
- CN209622090U CN209622090U CN201821784426.0U CN201821784426U CN209622090U CN 209622090 U CN209622090 U CN 209622090U CN 201821784426 U CN201821784426 U CN 201821784426U CN 209622090 U CN209622090 U CN 209622090U
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- valve
- valve body
- spring
- sealing
- sphere
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Abstract
The utility model discloses a kind of forged steel metal hard-sealing ball valves, including valve body, sphere, valve rod, driving device, auxiliary valve body, valve seat, pressing ring, sealing ring and spring body；Wherein, sphere is installed, valve rod is integrated through valve body and sphere forging, and driving device drives sphere to rotate by valve rod in the cavity of valve body；Auxiliary valve body is located at the two sides of valve body, and auxiliary valve body is detachably connected with valve body；Valve seat is installed, valve seat connect composition sealing pair with sphere, pressing ring is equipped between sealing pair and auxiliary valve body inner wall, sealing ring is equipped between valve seat and pressing ring in the cavity of auxiliary valve body；Spring body is installed, auxiliary valve body corresponds to spring body position and offers spring body mounting hole, through the above technical solution in pressing ring, solve the problems, such as that spring failure is non-exchange in existing metal hard-sealing ball valve, and the utility model sealing performance is excellent, durable, increases service life.
Description
Technical field
The utility model relates to hard seal ball valve technical field, more particularly to a kind of forged steel metal hard-sealing ball
Valve.
Background technique
Hard seal ball valve is suitable for high temperature, high pressure and contains the media such as solid particulate matter, slurry, fiber, polymer
Repid cut-off valve, valve seat and the centre of sphere by forged steel handle, can be widely applied to petrochemical industry, high pressure coal gasification, plastic polymer,
The industries such as vapour system, mining industry, metallurgy, chemical fibre, and when the work of fixed metal hard-sealing ball valve, Fluid pressure is in sphere before valve
The active force of upper generation all passes to bearing, and it is mobile to valve seat will not to make sphere, thus valve seat is not subject to excessive pressure,
So Fixed ball valve is suitable for high pressure, heavy caliber occasion.
But the spring in existing fixed metal hard-sealing ball valve at work due to fracture and it is biggish forever
Deformation long or loss bearing capacity, are easy to cause failure, and spring determines the stroke of cracking pressure, flap in valve in valve
And the stability sealed in the off state, it may be said that spring failure is the pass for influencing metal hard-sealing ball valve normal use
One of key problem, and because spring is located at the inside of metal hard-sealing ball valve, even if spring fails, also it is not easy to carry out more
It changes, so as to cause the failure of entire ball valve, results in waste of resources.
Therefore it provides a kind of forged steel metal hard-sealing ball valve for being conveniently replaceable spring is those skilled in the art's urgent need to resolve
The problem of.
Utility model content
In view of this, the present invention provides a kind of forged steel metal hard-sealing ball valves, can be with when spring fails
Spring is replaced in time, will not influence the normal use of metal hard-sealing ball valve.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of forged steel metal hard-sealing ball valve, including valve body, sphere, valve rod, driving device, auxiliary valve body, valve seat, pressing ring,
Sealing ring and spring body；
Wherein, the sphere is installed, the valve rod is forged through the valve body and the sphere in the cavity of the valve body
It makes and is integrated, the driving device drives the sphere rotation by the valve rod；The auxiliary valve body is located at the two of the valve body
Side, the auxiliary valve body are detachably connected with the valve body；The valve seat is installed in the cavity of the auxiliary valve body, the valve seat with
Sphere connection composition sealing pair, is equipped with the pressing ring between the sealing pair and the auxiliary valve body inner wall, the valve seat with
Sealing ring is installed between the pressing ring；The spring body is installed, the auxiliary valve body corresponds to the spring in the pressing ring
Body position offers spring body mounting hole.
Further, the spring body includes spring and pedestal, and the spring is fixed on the base.
Further, the pedestal is threadedly coupled with the spring body mounting hole.
Further, the top of the valve body is fixed with stuffing box, the stuffing box and the valve body by straight pin into
Row positioning.
Further, graphite packing, the graphite packing and the valve rod are filled in the stuffing box or the valve body
Collectively constitute sealing pair.
Further, hold-down grid is additionally provided between the stuffing box and the valve rod, described in the hold-down grid compresses
Graphite packing.
Further, the valve body and the auxiliary valve body, the stuffing box junction are equipped with metal and wind graphite pads.
Further, the detachable connection method of the valve body and the auxiliary valve body is to be bolted.
By taking above scheme, the beneficial effects of the utility model are:
It 1), can be by spring body out of pressing ring in spring breaking down failure by opening up spring body mounting hole on auxiliary valve body
It takes apart, and then is replaced, new spring body is screwed into spring body mounting hole, is eventually arrived in pressing ring；
2) valve rod is structure as a whole with sphere forging, and sphere will not influence sealing effect because generating offset in valve body,
The structure produced by forging method, fluid resistance is small, durable, significantly lengthening service life；
3) by stuffing box and graphite packing, medium can be prevented to leak from valve rod；
4) valve body and auxiliary valve body, valve body can be sealed with stuffing box junction by winding graphite pads by metal, be prevented
Only dielectric leakage；
5) it is bolted by valve body and auxiliary valve body, realizes and be detachably connected, convenient for the valve seat inside auxiliary valve body, pressure
Circle, sealing ring are repaired or replaced.
It can be seen via above technical scheme that compared with prior art, the utility model, which discloses, provides a kind of forged steel gold
Belong to hard seal ball valve, solves the problems, such as that spring failure is non-exchange in existing metal hard-sealing ball valve, and the utility model
Sealing performance is excellent, durable, increases service life.
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 the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawing is a kind of valve body of forged steel metal hard-sealing ball valve provided by the utility model and cuing open for auxiliary valve body part
View；
Fig. 2 attached drawing is a kind of overall structure diagram of forged steel metal hard-sealing ball valve provided by the utility model；
Fig. 3 attached drawing is a kind of valve stem part cross-sectional view of forged steel metal hard-sealing ball valve provided by the utility model；
Fig. 4 attached drawing is the structural schematic diagram of spring body provided by the utility model.
In figure: 1- valve body, 2- sphere, 3- valve rod, 4- driving device, 5- auxiliary valve body, 6- valve seat, 7- pressing ring, 8- sealing ring,
9- spring body, 10- spring body mounting hole, 11- stuffing box, 12- graphite packing, 13- hold-down grid, 91- spring, 92- pedestal.
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.
Embodiment:
As shown in Figs 1-4, the utility model embodiment discloses a kind of forged steel metal hard-sealing ball valve, including valve body 1, ball
Body 2, valve rod 3, driving device 4, auxiliary valve body 5, valve seat 6, pressing ring 7, sealing ring 8 and spring body 9；Wherein, peace in the cavity of valve body 1
Equipped with sphere 2, valve rod 3 is integrated through valve body 1 and the forging of sphere 2, and driving device 4 drives sphere 2 to rotate by valve rod 3；It is secondary
Valve body 5 is located at the two sides of valve body 1, and auxiliary valve body 5 is detachably connected with valve body 1；Valve seat 6, valve seat are installed in the cavity of auxiliary valve body 5
6 connect composition sealing pair with sphere 2, are equipped with pressing ring 7 between 5 inner wall of sealing pair and auxiliary valve body, install between valve seat 6 and pressing ring 7
There is sealing ring 8；Spring body 9 is installed, auxiliary valve body 5 corresponds to 9 position of spring body and offers spring body mounting hole 10 in pressing ring 7.
By opening up spring body mounting hole 10 on auxiliary valve body 5, when spring 91 is damaged and failed, spring body 9 can be dismantled out of pressing ring 7
Out, it and then is replaced, new spring body 9 is screwed into spring body mounting hole 10, is eventually arrived in pressing ring 7, also, valve
Bar 3 is structure as a whole with the forging of sphere 2, and sphere 2 will not influence sealing effect because generating offset in valve body 1, passes through forging
The structure that method is produced, fluid resistance is small, durable, significantly lengthening service life.
Specifically, spring body 9 includes spring 91 and pedestal 92, spring 91 is fixed on pedestal 92.
Specifically, pedestal 92 is threadedly coupled with spring body mounting hole 10.
Specifically, the top of valve body 1 is fixed with stuffing box 11, stuffing box 11 is positioned with valve body 1 by straight pin.
Specifically, being filled with graphite packing 12 in stuffing box 11 or valve body 1, graphite packing 12 collectively constitutes close with valve rod 3
Envelope is secondary.
Specifically, being additionally provided with hold-down grid 13 between stuffing box 11 and valve rod 3, hold-down grid 13 compresses graphite packing 12.
Specifically, valve body 1 and auxiliary valve body 5,11 junction of stuffing box are equipped with metal and wind graphite pads.
Specifically, the detachable connection method of valve body 1 and auxiliary valve body 5 is to be bolted.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (8)
1. a kind of forged steel metal hard-sealing ball valve, which is characterized in that including valve body, sphere, valve rod, driving device, auxiliary valve body, valve
Seat, pressing ring, sealing ring and spring body；
Wherein, the sphere is installed, the valve rod is forged to through the valve body with the sphere in the cavity of the valve body
One, the driving device drive the sphere rotation by the valve rod；The auxiliary valve body is located at the two sides of the valve body, institute
Auxiliary valve body is stated to be detachably connected with the valve body；The valve seat is installed in the cavity of the auxiliary valve body, the valve seat with it is described
Sphere connection composition sealing pair, between the sealing pair and the auxiliary valve body inner wall be equipped with the pressing ring, the valve seat with it is described
Sealing ring is installed between pressing ring；The spring body is installed, the auxiliary valve body corresponds to the spring position in the pressing ring
It sets and offers spring body mounting hole.
2. a kind of forged steel metal hard-sealing ball valve according to claim 1, which is characterized in that the spring body includes spring
And pedestal, the spring are fixed on the base.
3. a kind of forged steel metal hard-sealing ball valve according to claim 2, which is characterized in that the pedestal and the spring
Body mounting hole is threadedly coupled.
4. a kind of forged steel metal hard-sealing ball valve according to claim 1, which is characterized in that the top of the valve body is fixed
There is stuffing box, the stuffing box is positioned with the valve body by straight pin.
5. a kind of forged steel metal hard-sealing ball valve according to claim 4, which is characterized in that the stuffing box or the valve
It is filled with graphite packing in vivo, the graphite packing and the valve rod collectively constitute sealing pair.
6. a kind of forged steel metal hard-sealing ball valve according to claim 5, which is characterized in that the stuffing box and the valve
Hold-down grid is additionally provided between bar, the hold-down grid compresses the graphite packing.
7. a kind of forged steel metal hard-sealing ball valve according to claim 4, which is characterized in that the valve body and the secondary valve
Body, the stuffing box junction are equipped with metal and wind graphite pads.
8. a kind of forged steel metal hard-sealing ball valve according to claim 1, which is characterized in that the valve body and the secondary valve
The detachable connection method of body is to be bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821784426.0U CN209622090U (en) | 2018-10-31 | 2018-10-31 | A kind of forged steel metal hard-sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821784426.0U CN209622090U (en) | 2018-10-31 | 2018-10-31 | A kind of forged steel metal hard-sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209622090U true CN209622090U (en) | 2019-11-12 |
Family
ID=68442469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821784426.0U Expired - Fee Related CN209622090U (en) | 2018-10-31 | 2018-10-31 | A kind of forged steel metal hard-sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209622090U (en) |
-
2018
- 2018-10-31 CN CN201821784426.0U patent/CN209622090U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 Termination date: 20211031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |