CN206347141U - A kind of skew ball valve certainly - Google Patents
A kind of skew ball valve certainly Download PDFInfo
- Publication number
- CN206347141U CN206347141U CN201621454155.3U CN201621454155U CN206347141U CN 206347141 U CN206347141 U CN 206347141U CN 201621454155 U CN201621454155 U CN 201621454155U CN 206347141 U CN206347141 U CN 206347141U
- Authority
- CN
- China
- Prior art keywords
- spheroid
- downstream
- fixator
- valve
- ball valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of from skew ball valve, including valve body, valve seat, valve rod, spheroid, upstream anchor, downstream fixator and pivot, spheroid is located at the inside of ball valve, upstream anchor and downstream fixator are annular, and upstream anchor and downstream fixator clamp spheroid from the upstream and downstream of fluid passage respectively；It is a kind of metal hard-sealing ball valve of single-side sealing that the surface of downstream fixator, which is provided with a circle for the replating of metal sealing,；The surface of spheroid is provided with one section of wedge-shaped projection, when spheroid is rotated to cut-off state, upstream anchor contacts with wedge-shaped protrusion and utilizes wedge-shaped protrusion to extrude spheroid, downstream fixator direction is offset spheroid, replating on the fixator of downstream thus tightly rides over the surface of spheroid, the metal sealing between downstream fixator and spheroid is realized, pressure of the metal sealing independent of fluid in upstream line greatly improves the ability that ball valve ends fluid.
Description
Technical field
The utility model is related to valve field, more particularly to a kind of from skew ball valve.
Background technology
Ball valve is a kind of common valve for being used for making the flow direction for cutting off, distributing and changing medium in pipeline.Ball valve
Operation principle be around valve body center line to make clockwise and anticlockwise 90 ° rotations to realize conducting and cut by sealed spheroid
It is disconnected.Valve rod drives spheroid to turn clockwise 90 °, and when spheroid hole is parallel with pipeline, ball valve is opened；Conversely, then ball valve is closed.
Fixator is typically provided between spheroid and valve body, two annular fixators clamp spheroid from upstream and downstream respectively,
Spring is provided between fixator and valve body, seal is provided between fixator and spheroid.When ball valve is in cut-off state,
Spheroid is compressed tightly against on the fixator in downstream by spring and Fluid pressure from upstream line, so as to realize that fluid is blocked.
Seal between fixator and spheroid typically uses rubber seal or metal seal.Used using the ball valve of metal sealing
In the particle with certain temperature, dust and slurry.Because metal sealing is hard sealing, relied on using the ball valve of metal sealing
In the Fluid pressure of upstream line, if the Fluid pressure of upstream line diminishes, the metal sealing effect in ball valve will significantly
Reduction.
Utility model content
The technical problems to be solved in the utility model be in the prior art using metal sealing ball valve sealing effectiveness according to
Rely the Fluid pressure in upstream line, if the Fluid pressure of upstream line diminishes, ball valve to the ability of blocking of pipeline will under
Drop.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of skew ball valve, including valve certainly
Body, valve seat, valve rod, spheroid, upstream anchor, downstream fixator and pivot；Valve body, valve seat and valve body are sequentially connected, valve body and
Valve seat is internally provided with the fluid passage passed through for fluid, and the middle part of fluid passage has the spherical sky for being used for accommodating spheroid
Chamber.
A perforation passed through for fluid is provided with the middle part of spheroid, spheroid is rotatably mounted to the spherical of fluid passage
In cavity, when the direction of perforation and the consistent direction of fluid passage, ball valve conducting；When the direction and the side of fluid passage of perforation
To it is vertical when, ball valve cut-off；A profiled holes are provided with the top of spheroid, the bottom of spheroid is provided with a circular hole；Valve rod
One end is plugged in the profiled holes of spheroid, and the other end of valve rod passes valve seat and is connected with handle, user's operating handle rotary valve
Bar and spheroid control ball valve.One end of pivot is plugged in the circular hole of spheroid, and the other end of pivot is plugged on seat bottom portion
In square hole, pivot is concentric with valve rod.
Upstream anchor and downstream fixator are annular, upstream anchor be installed on upstream valve body and spheroid it
Between, downstream fixator is installed between the valve body in downstream and spheroid；The diameter that upstream anchor and downstream are fixed is respectively less than spheroid
Diameter, upstream anchor and downstream fixator clamping spheroid；The surface of downstream fixator, which is provided with a circle, is used for metal sealing
Replating；The top of spheroid is provided with one section of wedge-shaped protrusion, when spheroid is rotated to cut-off state, upstream anchor and wedge
Shape projection contacts simultaneously extrude spheroid using wedge-shaped protrusion, and downstream fixator direction is offset spheroid.
Further, the surface of the downstream fixator is provided with a circle groove, groove and is provided with spring, spring supporting
Between downstream fixator and the valve body in downstream.
Further, the profiled holes are cross, and the cross termination of valve rod is plugged in profiled holes, the cross of valve rod
There is gap, gap is filled by elastomeric material between shape termination and profiled holes；The square end of pivot is plugged in the square hole of valve seat,
There is gap, gap is filled by elastomeric material between the square end of pivot and the square hole of valve seat.
Further, the surface of the upstream anchor is provided with a circle elastic rubber sealing ring.
Further, the replating is cobalt chromium tungsten hard alloy overlay welding.
Beneficial effect：(1) the utility model is provided with one section of wedge-shaped projection on the surface of spheroid from ball valve is offset, and works as ball
When body is rotated to cut-off state, upstream anchor contacts with wedge-shaped protrusion and utilizes wedge-shaped protrusion to extrude spheroid, and spheroid is downstream
Fixator direction is offset, the replating on the fixator of downstream thus tightly ride over the surface of spheroid, realize that downstream is fixed
Metal sealing between device and spheroid, pressure of the metal sealing independent of fluid in upstream line, greatly improves ball
Valve ends the ability of fluid.(2) the utility model is provided with bullet between the downstream fixator and the valve body in downstream for offseting ball valve
Spring, contributes between spheroid and downstream fixator to set up just sealing.(3) valve rod and profiled holes of the utility model from skew ball valve
Between be provided with gap, gap is provided between the square end of pivot and the square hole of valve seat, gap is filled by elastomeric material, should between
Gap is used to reduce because of the pressure that spheroid is offset and produces valve rod and pivot.(4) the utility model is consolidated from the upstream for offseting ball valve
The surface for determining device is provided with a circle elastic rubber sealing ring, for keeping the sealing between upstream line and valve body middle chamber.
Brief description of the drawings
Fig. 1 is that the utility model offsets ball-valve structure schematic diagram certainly.
Fig. 2 is front view of the utility model from the spheroid for offseting ball valve.
Fig. 3 is Fig. 2 A-A sectional views.
Fig. 4 is Fig. 2 top view.
Fig. 5 is Fig. 1 A enlarged drawings.
Fig. 6 is Fig. 1 B enlarged drawings.
Wherein：1st, valve body；2nd, valve seat；3rd, valve rod；4th, spheroid；41st, perforate；42nd, wedge-shaped protrusion；5th, downstream fixator；51、
Replating；6th, upstream anchor；61st, rubber seal；7th, pivot；8th, elastomeric material.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Embodiment 1
As shown in Figures 1 to 6, the present embodiment is a kind of metal hard-sealing ball valve of single-side sealing from skew ball valve, is wrapped
Include valve body 1, valve seat 2, valve rod 3, spheroid 4, upstream anchor 5, downstream fixator 6 and pivot 7；Valve body 1, valve seat 2 and valve body 1 according to
Secondary connection, valve body 1 and valve seat 2 are internally provided with the fluid passage passed through for fluid, and the middle part of fluid passage, which has, to be used to hold
Receive the spherical hollow space of spheroid 4.
The middle part of spheroid 4 is provided with a perforation 41 passed through for fluid, and spheroid 4 is rotatably mounted to fluid passage
In spherical hollow space, when the direction of perforation 41 is consistent with the direction of fluid passage, ball valve conducting；Direction and fluid when perforation 41
When the direction of passage is vertical, ball valve cut-off；The top of spheroid 4 is provided with a profiled holes, and the bottom of spheroid 4 is provided with a circle
Hole；One end of valve rod 3 is plugged in the profiled holes of spheroid 4, and the other end of valve rod 3 passes valve seat 2 and is connected with handle, Yong Hucao
Make handle rotary valve rod 3 and spheroid 4 to control ball valve, profiled holes are cross, and the cross termination of valve rod 3 is plugged on profiled holes
It is interior, there is gap, gap is filled by elastomeric material 8 between the cross termination of valve rod 3 and profiled holes；
One end of pivot 7 is circle, and one end is square.The round nose of pivot 7 is plugged in the circular hole of spheroid 4, pivot 7 with
Plastic bearing is provided between spheroid 4, the blunt end and valve rod 3 of pivot 7 are concentric；The square end of pivot 7 is plugged on the bottom of valve seat 2
Square hole in, between the square end of pivot 7 and the square hole of valve seat 2 have gap, gap is filled by elastomeric material 8.
Upstream anchor 5 and downstream fixator 6 are annular, and upstream anchor 5 is installed on the valve body 1 and spheroid of upstream
Between 4, downstream fixator 6 is installed between the valve body 1 in downstream and spheroid 4；The diameter that upstream anchor 5 and downstream are fixed is small
Between spheroid 4, upstream anchor 5 and the clamping spheroid 4 of downstream fixator 6.
As shown in figure 5, the surface relative with valve body 1 of downstream fixator 6, which is provided with a circle groove, groove, is provided with bullet
Spring, spring supporting is between the valve body 1 in downstream fixator 6 and downstream；The surface relative with spheroid 4 of downstream fixator 6 is provided with
One encloses the replating 61 for metal sealing, specially cobalt chromium tungsten hard alloy overlay welding；
As shown in fig. 6, the surface relative with valve body 1 of upstream anchor 5, which is provided with a circle groove, groove, is provided with bullet
Spring, spring supporting is between the valve body 1 of upstream anchor 5 and upstream, and the surface relative with spheroid 4 of upstream anchor 5 is provided with
One circle elastic rubber sealing ring 51；When ball valve is in the conduction state, elastic rubber sealing ring 51 is contacted with spheroid 4, it is to avoid pipe
Fluid media (medium) in road enters the lumen that spheroid 4, valve body 1 and valve seat 2 are collectively forming.
As shown in Fig. 3, Fig. 4 and Fig. 6, the surface of spheroid 4 is provided with wedge-shaped protrusion 42, from the point of view of vertical view, the wedge shape
Projection 42 is curved, and its central angle is 90 ° or so.The upper and lower surface of spheroid 4 respectively has a wedge-shaped protrusion 42, the institute of wedge-shaped protrusion 42
The position height at place should be consistent with the position height of the top edge of upstream anchor 5 and lower edge respectively；When ball valve is on shape
During state, wedge-shaped protrusion 42 and upstream anchor 5 are respectively at the different directions of spheroid 4, the rubber seal 51 of upstream anchor 5
Directly contacted with the surface of spheroid 4；When spheroid 4 is rotated to cut-off state, wedge-shaped protrusion 42 is rotated to where upstream anchor 5
Direction, upstream anchor 5 is directly contacted with wedge-shaped protrusion 42, is downstream fixed in the squeezing action lower sphere 4 of upstream anchor 5
The direction of device 6 is offset, and this enforceable skew is somebody's turn to do equivalent to being applied with a pretightning force between downstream fixator 6 and spheroid 4
It is effective that pretightning force can keep that the metal sealing between downstream fixator 6 and spheroid 4 can be for a long time, and without relying on upstream tube
Fluid pressure in road.
Although embodiment of the present utility model is illustrated in specification, these embodiments are intended only as carrying
Show, should not limit protection domain of the present utility model.Various omissions are carried out in the range of the utility model objective is not departed from, are put
Change and change should be included in protection domain of the present utility model.
Claims (5)
1. it is a kind of from skew ball valve, it is characterised in that：Including valve body, valve seat, valve rod, spheroid, upstream anchor, downstream fixator
And pivot；
Valve body, valve seat and valve body are sequentially connected, and valve body and valve seat are internally provided with the fluid passage passed through for fluid, and fluid leads to
The middle part in road has the spherical hollow space for being used for accommodating spheroid；
A perforation passed through for fluid is provided with the middle part of spheroid, spheroid is rotatably mounted to the spherical hollow space of fluid passage
It is interior, when the direction of perforation and the consistent direction of fluid passage, ball valve conducting；When the direction of perforation and the direction of fluid passage are hung down
When straight, ball valve cut-off；A profiled holes are provided with the top of spheroid, the bottom of spheroid is provided with a circular hole；One end of valve rod
It is plugged in the profiled holes of spheroid, the other end of valve rod passes valve seat；One end of pivot is plugged in the circular hole of spheroid, pivot
The other end is plugged in the square hole of seat bottom portion；
Upstream anchor and downstream fixator are annular, and upstream anchor is installed between the valve body of upstream and spheroid, under
Trip fixator is installed between the valve body in downstream and spheroid；The diameter that upstream anchor and downstream are fixed is respectively less than the straight of spheroid
Footpath, upstream anchor and downstream fixator clamping spheroid；The surface of downstream fixator, which is provided with a circle, is used for the gold of metal sealing
Belong to built-up welding；The top of spheroid is provided with one section of wedge-shaped protrusion, and when spheroid is rotated to cut-off state, upstream anchor is convex with wedge shape
Rise and contact and extrude spheroid using wedge-shaped protrusion, downstream fixator direction is offset spheroid.
2. it is according to claim 1 from skew ball valve, it is characterised in that：The surface of the downstream fixator is provided with a circle
Spring is installed, spring supporting is between downstream fixator and the valve body in downstream in groove, groove.
3. it is according to claim 2 from skew ball valve, it is characterised in that：The profiled holes are cross, the cross of valve rod
Shape termination is plugged in profiled holes, has gap between the cross termination of valve rod and profiled holes, gap is filled by elastomeric material；
The square end of pivot is plugged in the square hole of valve seat, has gap between the square end of pivot and the square hole of valve seat, gap is by bullet
Property material filling.
4. it is according to claim 3 from skew ball valve, it is characterised in that：The surface of the upstream anchor is provided with a circle
Elastic rubber sealing ring.
5. it is according to claim 4 from skew ball valve, it is characterised in that：The replating is cobalt chromium tungsten carbide reactor
Weldering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621454155.3U CN206347141U (en) | 2016-12-28 | 2016-12-28 | A kind of skew ball valve certainly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621454155.3U CN206347141U (en) | 2016-12-28 | 2016-12-28 | A kind of skew ball valve certainly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206347141U true CN206347141U (en) | 2017-07-21 |
Family
ID=59323373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621454155.3U Expired - Fee Related CN206347141U (en) | 2016-12-28 | 2016-12-28 | A kind of skew ball valve certainly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206347141U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763874A (en) * | 2016-12-28 | 2017-05-31 | 江苏特思克阀门制造有限公司 | A kind of skew ball valve certainly |
| CN114483999A (en) * | 2018-02-14 | 2022-05-13 | 费希尔控制产品国际有限责任公司 | Ball valve with adjustable trim arrangement |
-
2016
- 2016-12-28 CN CN201621454155.3U patent/CN206347141U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763874A (en) * | 2016-12-28 | 2017-05-31 | 江苏特思克阀门制造有限公司 | A kind of skew ball valve certainly |
| CN114483999A (en) * | 2018-02-14 | 2022-05-13 | 费希尔控制产品国际有限责任公司 | Ball valve with adjustable trim arrangement |
| CN114483999B (en) * | 2018-02-14 | 2023-04-07 | 费希尔控制产品国际有限责任公司 | Ball valve with adjustable trim arrangement |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20191228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |