CN203718021U - Spherical valve with flow control function - Google Patents
Spherical valve with flow control function Download PDFInfo
- Publication number
- CN203718021U CN203718021U CN201420092545.5U CN201420092545U CN203718021U CN 203718021 U CN203718021 U CN 203718021U CN 201420092545 U CN201420092545 U CN 201420092545U CN 203718021 U CN203718021 U CN 203718021U
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- CN
- China
- Prior art keywords
- valve
- flowtube
- hole
- suction tude
- flow control
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- 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.)
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Abstract
The utility model discloses a spherical valve with a flow control function. The spherical valve comprises a valve body (2) with an air inlet pipe (1), a valve cover (4) with an air outlet pipe (3), a valve core (5), a handle (6) and a valve rod (11), wherein the valve cover (4) is connected onto the valve body (2); the valve core (5) is mounted inside the valve body (2); a hollow convex neck (2.1) is arranged on the valve body (2); the valve rod (11) is arranged inside the convex neck (2.1); one end of the valve rod (11) is connected with the valve core (5); the other end of the valve rod (11) is connected with the handle (6); a flow tube (7) is arranged inside the air inlet pipe (1); an axial central through hole (7.1) is formed in the flow tube (7); the central through hole (7.1) is communicated with the inner chamber of the air inlet pipe (1) and the inner chamber of the valve body (2); seal rings (8) are arranged between the outer wall of the flow tube (7) and the inner wall of the air inlet pipe (1). The spherical valve with the flow control function is low in cost and long in service life.
Description
Technical field
The utility model relates to valve technology field, relates to or rather a kind of ball valve with flow control function.
Background technique
At present, in civilian and industrial pipeline, ball valve, because volume is little, is used flexibly, has obtained general application.At civil area, ball valve is mainly used in residential building water supply, heating, gas supply pipe system.Because residential building has a plurality of floors, and air pressure and hydraulic pressure that each floor needs are different, therefore in pipe-line system, in the pipeline of each floor, needed flow is also different, and this just need to carry out flow set to the pipeline of each floor by the mode of flow control.In prior art, be, by balanced flow stop valve, the pipeline of each floor is carried out to flow control.The open-shut device of balanced flow stop valve is the flap of stopper, and sealing is plane or the extra large conical surface above.There is following defect in this kind of prior art: between the open-shut device of balanced flow stop valve and Sealing, coordinates needs very accurate, therefore make the cost of balanced flow stop valve just higher; And the open-shut device of balanced flow stop valve moves upward at upper and lower, and Sealing is to rotate in a circumferential direction to reach sealing state, in seal process, easily make Sealing torsional deformation, do not reach the requirement of sealing, long-time very difficult assurance of sealing effect of using between open-shut device and Sealing, therefore makes the working life of balanced flow stop valve.
Model utility content
The technical problems to be solved in the utility model is, provides that a kind of cost is low, the ball valve with flow control function of long service life.
Technical solution of the present utility model is, a kind of ball valve with flow control function with following structure is provided, and comprises valve body, the valve gap with steam outlet pipe, spool, handle and valve rod with suction tude; Described valve gap is connected on described valve body; Described spool is arranged in described valve body; Described valve body is provided with the protruding neck of hollow; Described valve rod is located in described protruding neck and one end of valve rod is connected with described spool, and the other end of described valve rod is connected with described handle, in described suction tude, is provided with flowtube; Described flowtube is provided with axial center through hole; Described center through hole is connected with described suction tude inner chamber and body cavity; Between the inwall of the outer wall of described flowtube and described suction tude, be provided with seal ring.
Adopt after above structure, the ball valve with flow control function of the present utility model, compared with prior art, has the following advantages:
In suction tude due to the ball valve with flow control function of the present utility model, be provided with flowtube, flowtube is provided with axial center through hole; Flowtube is applied in ball valve, makes ball valve have the function of flow control, control the flow of pipeline by controlling the aperture of center through hole, simple in structure, cost is low; And ball valve technology comparative maturity, good sealing effect, so working life is longer.
As a kind of improvement of the present utility model, the outer wall of described flowtube is provided with annular radial groove; Between the bottom land of described radial groove and the sidewall of center through hole, be provided with through hole, described through hole is communicated with described radial groove and center through hole; The sidewall that described suction tude is provided with flowtube is provided with the first pressure tap; The first described pressure tap is connected with described radial groove.Adopt after this kind of structure, described radial groove is communicated with center through hole by through hole, therefore by measuring the pressure of the first pressure tap, can know the pressure in center through hole, can monitor at any time the pressure in center through hole.
As another kind of improvement of the present utility model, the two ends of the center through hole of described flowtube are equipped with the horn mouth with guide functions.Adopt after this kind of structure, described horn mouth has the effect of water conservancy diversion.
As of the present utility model, also have a kind of improvement, described suction tude is provided with radial convex loop near the inwall of a side of described spool; The inner of described flowtube abuts against on described radial convex loop; On the inwall of the outer end of the flowtube described in described suction tude is positioned at, along suction tude inner circumference, be provided with a plurality of spacing lugs; Described flowtube axial limiting is between described radial convex loop and spacing lug.Adopt after this kind of structure, by radial convex loop and spacing lug convection current buret, carry out axial limiting, spacing lug is to form by rushing the mode of riveting, when flowtube need to be taken out from suction tude, as long as take ball valve apart, a side one from body cavity to suction tude near spool is knocked, and flowtube will depart from spacing lug spacingly deviates from suction tude, uses more convenient.
As of the present utility model, also have a kind of improvement, ball valve also comprises banking stop and stop screw; Described banking stop is provided with annular stop hole; Described handle is provided with stop screw hole; Described banking stop is located on the other end of described valve rod and is positioned at the upside of described handle; Described stop screw passes annular stop hole and screws in described stop screw hole.Adopt after this kind of structure, rotatable handle can drive Spool rotating, and Spool rotating can be controlled the flow of steam outlet pipe, and the effect of banking stop and stop screw is the position for fixed handle, therefore this structure is the compensation to flowtube flow control, makes flow control more accurate.
As of the present utility model, also have a kind of improvement, the sidewall that described suction tude is positioned at the front side of flowtube is provided with the second pressure tap; The second described pressure tap arranges upward.Adopt after this kind of structure, because ball valve is in assembling, valve body is motionless, valve gap screws on valve body, therefore the second pressure tap is located in suction tude, can makes the second pressure tap remain at position upward, pressure valve easy to use is measured the pressure of suction tude.
As of the present utility model, also have a kind of improvement, between the outer wall of described flowtube and the inwall of described suction tude, be provided with two seals circle.Adopt after this kind of structure, use two seals circle, make the sealing effect between flowtube outer wall and suction tude inwall better.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram with the ball valve of flow control function of the present utility model.
Fig. 2 is the structure for amplifying schematic diagram of C part in Fig. 1.
Fig. 3 is the part-structure schematic diagram that in Fig. 1, B direction is looked.
Fig. 4 is the structural representation of the suction tude that in Fig. 1, A direction is looked.
Fig. 5 is the structural representation of the banking stop of the ball valve with flow control function of the present utility model.
Fig. 6 is the structural representation of the handle of the ball valve with flow control function of the present utility model.
Shown in figure: 1, suction tude, the 1.1, first pressure tap, 2, valve body, 2.1, protruding neck, 3, steam outlet pipe, 4, valve gap, 5, spool, 6, handle, 6.1, stop screw hole, 7, flowtube, 7.1, center through hole, 7.2, radial groove, 7.3, through hole, 7.4, horn mouth, 8, seal ring, 9, banking stop, 9.1, annular stop hole, 10, stop screw, 11, valve rod.
embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Refer to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the ball valve with flow control function of the present utility model comprises valve body 2, the valve gap 4 with steam outlet pipe 3, spool 5, handle 6 and the valve rod 11 with suction tude 1.Described valve gap 4 is connected on described valve body 2.Described spool 5 is arranged in described valve body 2.Described valve body 2 is provided with the protruding neck 2.1 of hollow.Described valve rod 11 is located in described protruding neck 2.1 and one end of valve rod 11 is connected with described spool 5, and the other end of described valve rod 11 is connected with described handle 6.In described suction tude 1, be provided with flowtube 7.Described flowtube 7 is provided with axial center through hole 7.1.Described center through hole 7.1 and described suction tude 1 inner chamber and valve body 2 intracavity inter-connections.Between the inwall of the outer wall of described flowtube 7 and described suction tude 1, be provided with seal ring 8, in this specific embodiment, between the outer wall of described flowtube 7 and the inwall of described suction tude 1, be provided with two seals circle 8.
The outer wall of described flowtube 7 is provided with annular radial groove 7.2.Between the bottom land of described radial groove 7.2 and the sidewall of center through hole 7.1, be provided with through hole 7.3, described through hole 7.3 is communicated with described radial groove 7.2 and center through hole 7.1.The sidewall that described suction tude 1 is provided with flowtube 7 is provided with the first pressure tap 1.1.The first described pressure tap 1.1 is connected with described radial groove 7.2.The two ends of the center through hole 7.1 of described flowtube are equipped with the horn mouth 7.4 with guide functions.Described suction tude 1 is provided with radial convex loop 1.2 near the inwall of a side of described spool 5.The inner of described flowtube 7 abuts against on described radial convex loop 1.2.On the inwall of the outer end of the flowtube 7 described in described suction tude 1 is positioned at, along suction tude inner circumference, be provided with a plurality of spacing lugs 1.3.Described flowtube 7 axial limitings are between described radial convex loop 1.2 and spacing lug 1.3.
See also shown in Fig. 5 and Fig. 6, the ball valve with flow control function of the present utility model also comprises banking stop 9 and stop screw 10.Described banking stop 9 is provided with annular stop hole 9.1.Described handle 6 is provided with stop screw hole 6.1.Described banking stop 9 is located on the other end of described valve rod 11 and is positioned at the upside of described handle 6, and described banking stop 9 is bolted on the other end of valve rod 11.Described stop screw 10 passes annular stop hole 9.1 and screws in described stop screw hole 6.1.The sidewall that described suction tude 1 is positioned at the front side of flowtube 7 is provided with the second pressure tap 1.2.The second described pressure tap 1.2 arranges upward.
The aperture of the flowtube described in the ball valve with flow control function of the present utility model is for the peak rate of flow in spacing pipeline, by banking stop, stop screw and handle, can finely tune the flow in pipeline, two-part structure coordinates to reach the object of flow in accurate control pipeline.
Claims (7)
1. a ball valve with flow control function, comprises the valve body (2) of band suction tude (1), valve gap (4), spool (5), handle (6) and the valve rod (11) of band steam outlet pipe (3); Described valve gap (4) is connected on described valve body (2); Described spool (5) is arranged in described valve body (2); Described valve body (2) is provided with the protruding neck (2.1) of hollow; Described valve rod (11) is located in described protruding neck (2.1) and one end of valve rod (11) is connected with described spool (5), the other end of described valve rod (11) is connected with described handle (6), it is characterized in that: in described suction tude (1), be provided with flowtube (7); Described flowtube (7) is provided with axial center through hole (7.1); Described center through hole (7.1) and described suction tude (1) inner chamber and valve body (2) intracavity inter-connection; Between the outer wall of described flowtube (7) and the inwall of described suction tude (1), be provided with seal ring (8).
2. the ball valve with flow control function according to claim 1, is characterized in that: the outer wall of described flowtube (7) is provided with annular radial groove (7.2); Between the sidewall of the bottom land of described radial groove (7.2) and center through hole (7.1), be provided with through hole (7.3), described through hole (7.3) is communicated with described radial groove (7.2) and center through hole (7.1); The sidewall that described suction tude (1) is provided with flowtube (7) is provided with the first pressure tap (1.1); Described the first pressure tap (1.1) is connected with described radial groove (7.2).
3. the ball valve with flow control function according to claim 2, is characterized in that: the two ends of the center through hole of described flowtube (7.1) are equipped with the horn mouth (7.4) with guide functions.
4. the ball valve with flow control function according to claim 1, is characterized in that: described suction tude (1) is provided with radial convex loop (1.2) near the inwall of a side of described spool (5); The inner of described flowtube (7) abuts against on described radial convex loop (1.2); On the inwall of the outer end of the flowtube (7) described in described suction tude (1) is positioned at, along suction tude inner circumference, be provided with a plurality of spacing lugs (1.3); Described flowtube (7) axial limiting is between described radial convex loop (1.2) and spacing lug (1.3).
5. the ball valve with flow control function according to claim 1, is characterized in that: ball valve also comprises banking stop (9) and stop screw (10); Described banking stop (9) is provided with annular stop hole (9.1); Described handle (6) is provided with stop screw hole (6.1); Described banking stop (9) is located on the other end of described valve rod (11) and is positioned at the upside of described handle (6); Described stop screw (10) passes annular stop hole (9.1) and screws in described stop screw hole (6.1).
6. the ball valve with flow control function according to claim 1, is characterized in that: the sidewall that described suction tude (1) is positioned at the front side of flowtube (7) is provided with the second pressure tap (1.4); Described the second pressure tap (1.4) arranges upward.
7. the ball valve with flow control function according to claim 1, is characterized in that: between the outer wall of described flowtube (7) and the inwall of described suction tude (1), be provided with two seals circle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092545.5U CN203718021U (en) | 2014-03-03 | 2014-03-03 | Spherical valve with flow control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420092545.5U CN203718021U (en) | 2014-03-03 | 2014-03-03 | Spherical valve with flow control function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203718021U true CN203718021U (en) | 2014-07-16 |
Family
ID=51157172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420092545.5U Expired - Fee Related CN203718021U (en) | 2014-03-03 | 2014-03-03 | Spherical valve with flow control function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203718021U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166071A (en) * | 2017-07-01 | 2017-09-15 | 宁波华成阀门有限公司 | A kind of high abrasion flow-guiding type water nozzle main body and its manufacture method |
| CN114151566A (en) * | 2021-12-10 | 2022-03-08 | 江苏优特莫森机械有限公司 | Plug valve for petroleum drilling and production and use method thereof |
-
2014
- 2014-03-03 CN CN201420092545.5U patent/CN203718021U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166071A (en) * | 2017-07-01 | 2017-09-15 | 宁波华成阀门有限公司 | A kind of high abrasion flow-guiding type water nozzle main body and its manufacture method |
| CN114151566A (en) * | 2021-12-10 | 2022-03-08 | 江苏优特莫森机械有限公司 | Plug valve for petroleum drilling and production and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20160303 |