CN208089978U - With multi-sealed novel valve stem ball-cock device - Google Patents
With multi-sealed novel valve stem ball-cock device Download PDFInfo
- Publication number
- CN208089978U CN208089978U CN201820487422.XU CN201820487422U CN208089978U CN 208089978 U CN208089978 U CN 208089978U CN 201820487422 U CN201820487422 U CN 201820487422U CN 208089978 U CN208089978 U CN 208089978U
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- China
- Prior art keywords
- valve
- valve body
- sphere
- ball
- valve stem
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Abstract
The utility model discloses a kind of with multi-sealed novel valve stem ball-cock device,It is related to valve field,Including ball valve body,The ball valve body includes the first valve body and the second valve body of left and right settings,Valve rod is equipped in first valve body,It is socketed with valve stem sleeve outside valve rod,The outer lubrication bearing being sleeved on outside valve rod is provided between the valve rod and valve stem sleeve,The outer lubrication bearing being sleeved on outside valve stem sleeve is provided between the sphere and valve stem sleeve,The sphere left end passes through the first sliding valve seat and the first valve body contact,The sphere right end passes through the second sliding valve seat and the second valve body contact,Primary seal circle is set on sliding valve seat,Secondary seal ring and side seal circle triple seal,It is fully sealed so that realizing when the utility model at work,The valve stem sleeve added is avoided because the rotating torque of valve rod and sphere is excessive,The generation of the fragile phenomenon of bearing between valve rod and sphere.
Description
Technical field
The utility model is related to valve field more particularly to it is a kind of have multi-sealed novel valve stem ball-cock device.
Background technology
In China, ball valve refers to opening and closing element（Sphere or flap）For spherical shape, opened and closed around valve shaft rotation to reach
A kind of valve, it has the action that is rotated by 90 °, and faucet body is sphere, has circular through hole or channel to pass through its axis.In pipeline
Upper mainly to play cutting action, ball valve is widely used in petroleum refining, long-distance transport pipes, chemical industry, papermaking, pharmacy, water conservancy, electricity
The industries such as power, municipal administration, steel occupy very important status in national economy, and the sealing structure of ball valve is generally by valve body, ball
The compositions such as body, valve seat form each parts of sealing structure（Valve body, sphere, seal valve seat）Between three is contacted with external force
Face mutually compresses, mark pressure and temperature within the scope of not will produce it is any let out cunning, have compact-sized, easy to assembly etc. excellent
Point, when ball seat is worn, sealing property of ball valves will substantially reduce, and can not repair and can only scrap, in addition valve rod and
The rotating torque of sphere is excessive, relatively low in the bearing service life between valve rod and sphere, and seriously affect ball valve uses the longevity
Life.
Invention content
The purpose of the utility model is to overcome deficiencies in the prior art, provide a kind of with multi-sealed new type of valve
Bar ball-cock device.
The utility model is achieved through the following technical solutions：It is a kind of to be filled with multi-sealed novel valve stem ball valve
It sets, including ball valve body, the ball valve body includes the first valve body and the second valve body of left and right settings, is set in first valve body
There is valve rod, is socketed with valve stem sleeve outside valve rod, the valve stem sleeve is connect with sphere, the first valve body, the valve rod and stem shaft
It is provided with the outer lubrication bearing being sleeved on outside valve rod between set, is provided between the sphere and valve stem sleeve and is sleeved on valve stem sleeve outside
Outer lubrication bearing, the axis of the valve rod pass through ball centre, the pipeline connection port of first valve body and the second valve body
Pipeline connection port communicates, and the axis of pipeline connection port passes through ball centre, and the sphere left end passes through the first sliding valve seat and the
One valve body contact, the sphere right end is by the second sliding valve seat and the second valve body contact, and the sliding valve seat of left and right two is about ball
Body central symmetry；The sphere top is equipped with groove, and the valve rod lower end is plugged in be engaged by clamping with sphere in groove and be driven.
Further, the first, second sliding valve seat body is nested in by ring set side seal circle in valve body recess, institute
The side for stating the first, second valve seat towards sphere is circumferentially provided with primary seal circle, and the primary seal circle and sphere sphere-contact are close
Envelope, the side of the first, second valve seat towards the valve body is circumferentially provided with the secondary seal ring sealed with valve body contact.
Further, second valve body is fixedly connected on by installation bolt on the left of the first valve body, the installation of the first valve body
Face is equipped with the first limited post, and first limited post is matched with the seal groove of the second valve body mounting surface；Second valve body mounting surface
It is equipped with the second limited post, second limited post is matched with the seal groove of the first valve body mounting surface, first limited post
One group of sealing surface structure of composition adjacent with the second limited post.
Further, the valve rod is equipped with two pass circumferential recess in valve body within the sphere stage, recessed in the circumferential direction
Sealing ring is nested on slot.
The beneficial effects of the utility model are：The utility model pre-tightens the second valve seat using the second valve body, effective real
Show the sealing between valve seat and sphere, setting primary seal circle, secondary seal ring and side seal circle triple seal on sliding valve seat,
It is fully sealed so that realizing when the utility model at work, and when major-minor sealing wear, only needs to change primary seal circle or pair
Gasket seal, cost-effective, maintenance easy to repair, valve stem sleeve middle part are equipped with dual-seal circle, valve close to body cavity part
Rod sleeve lower end is embedded in sphere, is being equipped with single sealing ring with sphere contact portion, is ensureing body cavity and external isolation, real
Showed the effect being fully sealed, the valve stem sleeve added is avoided because the rotating torque of valve rod and sphere is excessive, in valve rod and
The generation of the fragile phenomenon of bearing between sphere.
Description of the drawings
Fig. 1 is 1 front view sectional view schematic diagram of embodiment.
Fig. 2 is the enlarged drawing at B in Fig. 1.
Fig. 3 is that sectional drawing diagram in the directions C is intended in Fig. 1.
Specific implementation mode
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
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
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figs. 1-3, a kind of low torque multiple elastic seal valve seat ball valve, including ball valve body, the ball valve body
The first valve body 2 including left and right settings and the second valve body 4, first valve body 2 is interior to be equipped with valve rod 1, and valve rod is socketed with outside valve rod 1
Axle sleeve 3, the valve stem sleeve 3 are connect with sphere 5, the first valve body 2, and the axis of valve rod 1 passes through ball centre, first valve body
2 pipeline connection port is communicated with the pipeline connection port of the second valve body 4, and the axis of pipeline connection port passes through ball centre, the ball
5 left end of body is contacted by the first sliding valve seat 6 with the first valve body 2, and the sphere right end passes through the second sliding valve seat 7 and the second valve
Body 4 contacts, and the sliding valve seat of left and right two is symmetrical about ball centre, and the first, second sliding valve seat body passes through ring set side
Sealing ring 9 is nested in valve body recess, and the side of the first, second valve seat towards the sphere 5 is circumferentially provided with primary seal circle 8,
The primary seal circle 8 and 5 sphere-contact of sphere seal, the side of the first, second valve seat towards the valve body be circumferentially provided with
The secondary seal ring 10 of valve body contact sealing；5 top of the sphere is equipped with groove, and 1 lower end of the valve rod is plugged in groove and ball
Body 5 is engaged by clamping, and the valve stem sleeve is equipped with lubrication bearing, and the lubrication bearing inner race passes through the ring on ball 13 and valve rod 1
Connected in star cooperation transmission, the lubrication bearing outer ring is coordinated by the annular groove on ball 13 and sphere 5 to be driven.
Second valve body 4 is fixedly connected on 2 left side of the first valve body by installation bolt, and 2 mounting surface of the first valve body is equipped with
First limited post, first limited post are matched with the seal groove 72 of the second valve body mounting surface；It is set on second valve body, 4 mounting surface
There is the second limited post, second limited post to be matched with the seal groove 71 of the first valve body mounting surface, first limited post with
Second limited post, one group of sealing surface structure of adjacent composition.
The valve rod 1 is equipped with two pass circumferential recess in valve body within the sphere stage, nested in the circumferential recess
There is sealing ring 15.
The lubrication bearing inner race is connected with the ball 13 of outer ring by spring 14.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of having multi-sealed novel valve stem ball-cock device, including ball valve body, it is characterised in that：The ball valve body
The first valve body including left and right settings and the second valve body, first valve body is interior to be equipped with valve rod, and valve stem sleeve is socketed with outside valve rod,
The valve stem sleeve is connect with sphere, the first valve body, and the outer profit being sleeved on outside valve rod is provided between the valve rod and valve stem sleeve
Plain besring is provided with the outer lubrication bearing being sleeved on outside valve stem sleeve, the axis of the valve rod between the sphere and valve stem sleeve
Across ball centre, the pipeline connection port of first valve body is communicated with the pipeline connection port of the second valve body, pipeline connection port
Axis passes through ball centre, the sphere left end to pass through by the first sliding valve seat and the first valve body contact, the sphere right end
Second sliding valve seat and the second valve body contact, the sliding valve seat of left and right two are symmetrical about ball centre；The sphere top is equipped with
Groove, the valve rod lower end are plugged in groove and are engaged by clamping with sphere, and the valve stem sleeve is equipped with lubrication bearing, the lubrication
Bearing inner race is coordinated by the annular groove on ball and valve rod to be driven, and the lubrication bearing outer ring passes through on ball and sphere
Annular groove cooperation transmission.
2. according to claim 1 have multi-sealed novel valve stem ball-cock device, it is characterised in that：Described first,
Second sliding valve seat body is nested in by ring set side seal circle in valve body recess, and first, second valve seat is towards sphere
Side is circumferentially provided with primary seal circle, and the primary seal circle is sealed with sphere sphere-contact, and first, second valve seat is towards valve
The side of body is circumferentially provided with the secondary seal ring sealed with valve body contact.
3. according to claim 1 have multi-sealed novel valve stem ball-cock device, it is characterised in that：Second valve
Body is fixedly connected on by installation bolt on the left of the first valve body, and the first valve body mounting surface is equipped with the first limited post, first limit
Position column is matched with the seal groove of the second valve body mounting surface；Second valve body mounting surface is equipped with the second limited post, second limit
Position column is matched with the seal groove of the first valve body mounting surface, one group of sealing of the first limited post composition adjacent with the second limited post
Face structure.
4. according to claim 1 have multi-sealed novel valve stem ball-cock device, it is characterised in that：The valve rod exists
Two pass circumferential recess is equipped in valve body within the sphere stage, sealing ring is nested in the circumferential recess.
5. according to claim 1 have multi-sealed novel valve stem ball-cock device, it is characterised in that：The lubrication axis
The ball for holding inner ring and outer ring is connected by spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820487422.XU CN208089978U (en) | 2018-04-08 | 2018-04-08 | With multi-sealed novel valve stem ball-cock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820487422.XU CN208089978U (en) | 2018-04-08 | 2018-04-08 | With multi-sealed novel valve stem ball-cock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208089978U true CN208089978U (en) | 2018-11-13 |
Family
ID=64058309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820487422.XU Expired - Fee Related CN208089978U (en) | 2018-04-08 | 2018-04-08 | With multi-sealed novel valve stem ball-cock device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208089978U (en) |
-
2018
- 2018-04-08 CN CN201820487422.XU patent/CN208089978U/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: 20181113 Termination date: 20190408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |