CN207584074U - Venturi ball valve - Google Patents
Venturi ball valve Download PDFInfo
- Publication number
- CN207584074U CN207584074U CN201721660422.7U CN201721660422U CN207584074U CN 207584074 U CN207584074 U CN 207584074U CN 201721660422 U CN201721660422 U CN 201721660422U CN 207584074 U CN207584074 U CN 207584074U
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- valve
- pressure
- pressure section
- ball valve
- venturi
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Abstract
The utility model discloses a kind of venturi ball valves, belong to conventional ball valve and the dual-purpose structure of a valve that Venturi nozzle is combined into, ball-valve structure includes valve body, valve seat, ball valve core, valve rod and handle etc., Venturi nozzle is arranged on the input end of valve body using monolithic construction, it includes preceding pressure section, circular arc profile contraction section, middle pressure section and taper diffuser, and it is equipped with pressure measuring tie-in in preceding pressure section and middle pressure section, so that the valve is provided simultaneously with cutoff function and accurate measurement traffic engineering capability, it can effectively reduce Pipe installing link, reduce use cost, it is user-friendly；Meanwhile using the Venturi nozzle structure of monoblock type, it can guarantee the concentricity of nozzle and pipeline, effectively increase the accuracy and precision of measurement；In addition, the port of preceding pressure section is additionally provided with various types of articulating joints, user flexibility can be facilitated to use.Improved ball valve also has many advantages, such as that overall simple, compact-sized, conduit coupling is few, the pressure loss is small.
Description
Technical field
The utility model is related to a kind of ball-valve structure being installed on pumped (conveying) medium pipeline, in particular to venturi ball valves.
Background technology
With the continuous expansion in valve market, requirement of the user to valve is higher and higher, various compound, Mobyneb
Valve demand is also more and more.Ball valve has small fluid resistance, compact-sized, sealed reliable, behaviour as a kind of cut-off type valve
Make the advantages that convenient, easy to maintenance, so as to be widely used in the pipe-line systems such as water supply, HVAC, and the stream in pipe-line system
Measurement is also essential, the throttling sets such as Venturi nozzle structure, is stablized with its performance, and metering is accurate, the pressure loss
It is small, the advantages that long lifespan, so as to be widely used in the measurement of pipeline fluid flow.However, in actual use must by ball valve and
Venturi nozzle structure is separately mounted in pipe-line system, is not only increased Pipe installing link in this way, is increased use cost, and
And also make troubles to accurate measure of pipeline fluid flow, therefore it is difficult to the use needs for meeting user.
Invention content
The defects of the technical problem to be solved by the utility model is to overcome the prior art and provide a kind of can have simultaneously
Standby cutoff function and accurate measurement traffic engineering capability, a valve is dual-purpose and effectively reduces Pipe installing link, reduces use cost, uses
Convenient venturi ball valve.
The technical issues of the utility model, is achieved through the following technical solutions：
A kind of venturi ball valve, valve body, valve seat, ball valve core, valve rod and handle including forming ball valve, the valve body both ends
The inlet end and an outlet end interconnected is set to, valve deck is installed in the port of export, the input end is equipped with the text of monoblock type
Nozzle arrangements in mound, the venturi nozzle arrangements include preceding pressure section, circular arc profile successively according to input end to extreme direction is exported
Contraction section, middle pressure section and taper diffuser, and it is equipped with pressure measuring tie-in in preceding pressure section and middle pressure section.
The valve body-side is equipped with the upstream pressure tappings of pressure section before connection, and body top is equipped with pressure section in connection
Downstream pressure tappings install pressure measuring tie-in in the upstream and downstream pressure tappings respectively.
Pressure section before described upstream pressure tappings horizontal vertical connection, pressure section in the pressure tappings vertical connection of downstream, above and below
It is in 90 ° of position distributions to swim pressure tappings.
The port of the preceding pressure section is equipped with the connector being tightly connected by attaching nut and end-face seal ring work.
The connector is female adapter, male connection or bellmouth connector.
Compared with prior art, the utility model is mainly additionally arranged the venturi of monoblock type in the input end of conventional ball valve
Nozzle arrangements, then pressure measuring tie-in is equipped in the preceding pressure section and middle pressure section for forming Venturi nozzle structure, so as to form
The dual-purpose function of one valve, that is, be provided simultaneously with cutoff function and accurate measurement traffic engineering capability, and this structure can effectively reduce pipeline peace
Link is filled, use cost is reduced, is user-friendly；Meanwhile using the Venturi nozzle structure of monoblock type, can guarantee nozzle and
The concentricity of pipeline effectively increases the accuracy and precision of measurement；In addition, the port of preceding pressure section be additionally provided with it is various types of
Articulating joint can facilitate user flexibility to use.Improved ball valve also have overall simple, compact-sized, conduit coupling is few,
The advantages that pressure loss is small.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the stereogram of Fig. 1.
Fig. 4 is the three-dimensional exploded view of Fig. 1.
Specific embodiment
It will again elaborate to the utility model embodiment by above-mentioned attached drawing below.
As shown in Fig. 1 ~ Fig. 4,1. valve bodies, 2. valve decks, 3. ball valve cores, 4. valve seats, 5. valve rods, 6. "O"-rings, 7. hands
Handle, 8. locking nuts, 9. pressure measuring tie-ins, 10. attaching nuts, 11. end-face seal rings, 12. connectors, 13. boss, 31. upstreams take
Press mouth, 32. downstream pressure tappings, pressure section in pressure section, 52. circular arc profile contraction sections, 53. before 51., 54. diffusers, 41. into
Mouth end, 42. ports of export.
Venturi ball valve as shown in Figure 1, Figure 3, belongs to conventional ball valve and the dual-purpose knot of a valve that Venturi nozzle is combined into
Structure is provided simultaneously with fluid-duct-system medium and shuts off function and flow measurement function.
The ball valve is mainly made of structures such as valve body 1, valve seat 4, ball valve core 3, valve rod 5 and handles 7, the valve body
1 as shown in Figure 1 using horizontal straight-through structure, and both ends are set to the input end interconnected 41 and the port of export 42, i.e. Fig. 1 institutes
The port of export 42 is set as on the left of the valve body shown, input end 41 is set as on the right side of valve body, after the port of export 42 is packed into the internal component of ball valve,
Valve deck 2 is installed in a manner that screw thread screws.The use of ball valve is to rotate to drive ball valve core 3 in valve seat through valve rod 5 by handle 7
Make sealing rotation in 4, you can open or close the limbers on ball valve core 3, also just control the keying of entire ball valve.
Meanwhile embedded with twice "O"-ring 6 on the outer circumference surface that is in contact with valve body 1 of valve rod 5, to form rotary seal；
1 upper end outer rim of valve body is equipped with convex block, and the keying that 90 ° of valve can be formed with the bending claws on handle 7 limits；5 exposed junction of valve rod and hand
It is fixed between handle 7 by locking nut 8.
The Venturi nozzle structure uses GB/T2624.3 standards as design considerations, and with the side of monolithic construction
Formula is arranged on the input end 41 of valve body, and can more preferably ensure the concentricity of nozzle and pipeline using monolithic construction, effectively improves
The accuracy and precision measured.
Venturi nozzle structure direction from right to left according to input end 41 to 42 direction of the port of export, i.e. shown in Fig. 1
It is to be made of preceding pressure section 51, circular arc profile contraction section 52, middle pressure section 53 and taper diffuser 54 successively；The preceding pressure
Section 51 also serves as the input end of valve, and 1 side of valve body shown in Fig. 2 is equipped with the upstream pressure of pressure section before horizontal vertical connection
Mouth 31；The circular arc profile contraction section 52 is circular arc profile, and the circular arc is tangent with middle pressure section 53, preceding pressure section 51 respectively；
The middle pressure section 53 is cylindrical throat shown in FIG. 1, and the downstream of pressure section 53 in vertical connection is equipped at 1 top of valve body
Pressure tappings 32；The upstream and downstream pressure tappings are in 90 ° of position distributions, and pressure measuring tie-in 9 is installed in upstream pressure tappings 31, under
Pressure measuring tie-in 9 is also installed by boss 13 of the horizontal vertical in valve body in trip pressure tappings 32；The expansion of the taper diffuser 54
It dissipates cone angle and is less than 30 °.
Made in addition, the port of preceding pressure section 51, i.e. right output port shown in Fig. 1 are equipped with by attaching nut 10 and end-face seal ring 11
The connector 12 of sealed connection, which can be used female adapter, male connection or bellmouth connector, user flexibility to be facilitated to make
With.
The above is only specific embodiment of the utility model, it should be appreciated by those skilled in the art that any and reality
The equivalent structure design of example is applied, should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of venturi ball valve, the valve body including forming ball valve（1）, valve seat（4）, ball valve core（3）, valve rod（5）And handle
（7）, the valve body（1）Both ends are set to the input end interconnected（41）And the port of export（42）, valve deck is installed in the port of export
（2）, it is characterised in that the input end（41）Venturi nozzle structure equipped with monoblock type, the venturi nozzle arrangements according to
Input end（41）To the port of export（42）Direction includes preceding pressure section successively（51）, circular arc profile contraction section（52）, middle pressure section
（53）With taper diffuser（54）, and in preceding pressure section（51）With middle pressure section（53）It is equipped with pressure measuring tie-in（9）.
2. venturi ball valve according to claim 1, it is characterised in that the valve body（1）Side is equipped with pressure before connection
Section（51）Upstream pressure tappings（31）, valve body（1）Top is equipped with pressure section in connection（53）Downstream pressure tappings（32）, on this,
Pressure measuring tie-in is installed respectively in the pressure tappings of downstream（9）.
3. venturi ball valve according to claim 2, it is characterised in that the upstream pressure tappings（31）Horizontal vertical connects
Pressure section before logical（51）, downstream pressure tappings（32）Pressure section in vertical connection（53）, upstream and downstream pressure tappings are in 90 ° of position distributions.
4. venturi ball valve according to claim 1, it is characterised in that the preceding pressure section（51）Port be equipped with by
Attaching nut（10）And end-face seal ring（11）Make the connector being tightly connected（12）.
5. venturi ball valve according to claim 4, it is characterised in that the connector（12）For female adapter, outer spiral shell
Line connector or bellmouth connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721660422.7U CN207584074U (en) | 2017-12-04 | 2017-12-04 | Venturi ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721660422.7U CN207584074U (en) | 2017-12-04 | 2017-12-04 | Venturi ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207584074U true CN207584074U (en) | 2018-07-06 |
Family
ID=62735368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721660422.7U Active CN207584074U (en) | 2017-12-04 | 2017-12-04 | Venturi ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207584074U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695748A (en) * | 2018-07-23 | 2019-04-30 | 陕西汇丰悦石油科技开发有限公司 | A kind of duplex valving |
| GB2573776A (en) * | 2018-05-16 | 2019-11-20 | Sav United Kingdom Ltd | A bypass valve assembly |
| CN111577690A (en) * | 2020-04-01 | 2020-08-25 | 武汉船用机械有限责任公司 | Hydraulic control valve group |
-
2017
- 2017-12-04 CN CN201721660422.7U patent/CN207584074U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2573776A (en) * | 2018-05-16 | 2019-11-20 | Sav United Kingdom Ltd | A bypass valve assembly |
| GB2573776B (en) * | 2018-05-16 | 2022-02-23 | Sav United Kingdom Ltd | A bypass valve assembly |
| CN109695748A (en) * | 2018-07-23 | 2019-04-30 | 陕西汇丰悦石油科技开发有限公司 | A kind of duplex valving |
| CN111577690A (en) * | 2020-04-01 | 2020-08-25 | 武汉船用机械有限责任公司 | Hydraulic control valve group |
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