CN203051830U - Adjusting ball valve - Google Patents
Adjusting ball valve Download PDFInfo
- Publication number
- CN203051830U CN203051830U CN 201220656987 CN201220656987U CN203051830U CN 203051830 U CN203051830 U CN 203051830U CN 201220656987 CN201220656987 CN 201220656987 CN 201220656987 U CN201220656987 U CN 201220656987U CN 203051830 U CN203051830 U CN 203051830U
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- valve
- ball valve
- adjusting
- spool
- adjusting ball
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Abstract
The utility model provides an adjusting ball valve, which belongs to the technical field of valves, and resolves the problems of the prior art that adjustable performance of flow is poor and adjusting is not accurate enough. The adjusting ball valve comprises a valve body, a valve rod, a valve core, and a handle. An inner end of the valve rod is connected to the valve core, and an outer end of the valve rod extends outside of the valve body and is connected to the handle. The ball valve also comprises a water inlet end and a water outlet end. The valve core comprises a plugging portion capable of plugging the water inlet end, and a communication portion capable of communicating the water inlet end with the water outlet end. The communication portion is a groove which is circularly disposed on the sidewall of the valve core. A cross section of the communication portion is gradually reduced or increased along the rotation direction of the valve core. The adjusting ball valve is advantageous in that the size change of the cross section of the communication portion is designed into a linear change, and thereby linear adjusting can be achieved when the handle is rotated; adjusting is facilitated, adjusting effect is quite good, and adjusting precision is quite high; the adjusting ball valve is simple in structure and convenient to produce.
Description
Technical field
The utility model belongs to valve technology field, relates to a kind of ball valve, particularly a kind of adjusting ball valve.
Background technique
Be called ball valve with spheroid as the valve of closure member, characteristics such as, long service life simple because of its quick, mature production technology simple to operation, assembling, be widely used in the industrial production pipelines such as pharmacy, chemical industry, oil, metallurgy, electric power, the energy, rotation by the control spheroid, as long as half-twist can be realized the keying of valve.But the rating curve of analyzing ball valve learns that its characteristic curve belongs to opens linearity curve soon, poor to the flow adjustability of medium.Adjustable in order to realize flow, generally need modulating valve is installed behind ball valve, when practical application, increased the input of equipment funds and operation, maintenance, administration expenses.
At present, the relevant expert changes the rating curve of ball valve by add difform throttle flap before the ball valve spheroid, reaches the purpose of effective adjusting flow.The method is respond well, but can processes such as the structure of ball valve, processing, assembling is complicated, has certain deficiency.
For this situation, people have recognized this deficiency, and carry out improvement, can regulate ball valve [application number: 201120576262.4 as a kind of flow that the Chinese patent literature data openly proposes; Notice of authorization number: CN 202418695U], this ball valve is by left valve barrel, screw pair, pad, left side valve seat, spheroid, filler, valve rod, right valve seat, Gland, handle, compositions such as right valve barrel, left valve barrel, right valve barrel is formed shell, connect with screw pair, left valve barrel, pad, left side valve seat, spheroid, right valve seat, right valve barrel links to each other successively, handle, Gland, valve rod, filler, spheroid connects successively, through hole in the middle of the spheroid is a taper hole, the aperture of left end is big, the right-hand member aperture is little, the left end aperture equals the endoporus of left valve seat, the right-hand member aperture is less than the endoporus of right valve seat, a left side, right valve seat endoporus equates that right valve seat is the downstream valve seat, make with nonmetallic material, left valve seat is that metallic material is made.But the through hole of this ball valve is the through hole that is arranged on spheroid middle part, and is therefore relatively poor and regulate not accurate enough to the controllability of flow.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed the adjusting ball valve that a kind of regulating effect is better and degree of regulation is higher.
The purpose of this utility model can realize by following technical proposal: a kind of adjusting ball valve, comprise valve body, valve rod, spool and handle, the inner of described valve rod links to each other with described spool, the outer end that the outer end of described valve rod stretches out in described valve body and described valve rod links to each other with described handle, this ball valve also comprises feed-water end and waterexit end, it is characterized in that, described spool comprises can be with the closure part of described feed-water end shutoff and the interconnecting part that described feed-water end can be communicated with the waterexit end, described interconnecting part is located at groove on the described spool sidewall for ring, and the cross section of described interconnecting part progressively reduces or increases along the sense of rotation of described spool.
This adjusting ball valve in use, the closure part of spool is with feed-water end or waterexit end shutoff when rotating by handle, realize closing of valve, when needs are opened the adjusting ball valve, by the handle rotation valve rod, drive valve core rotation, interconnecting part is connected feed-water end with the waterexit end, because the cross section of interconnecting part progressively reduces along the sense of rotation of spool, therefore, when valve core rotation, can regulate the circulation area of the spool of flowing through, play the purpose of regulating flow, by being in line property of the variation size design variation with the cross section of interconnecting part, when handle with sleeve, can play the effect of linearly adjust, be convenient to regulate, and regulating effect is good and degree of regulation is higher, makes the simple in structure of this adjusting ball valve simultaneously, easily manufactured advantage.
In above-mentioned adjusting ball valve, the madial wall of the curved and described interconnecting part in the cross section of described interconnecting part is mild transition all.Curved and all mild transition of its madial wall in the cross section of interconnecting part have minimizing to the advantage of the resistance of the fluid of the throughput of flowing through.
In above-mentioned adjusting ball valve, described closure part comprises shutoff face and the shutoff face of being positioned at side walls, and described two sidewalls are all adjacent with interconnecting part.
In above-mentioned adjusting ball valve, described shutoff face is 1/4 sphere.Shutoff face is 1/4 sphere, and the side of 3/4 sphere is interconnecting part, by 90 ° shutoff face of spool ball valve is closed, and 180 ° interconnecting part realizes regulating flow, increases the regulation range of ball valve, has improved the sensitivity of regulating.
In above-mentioned adjusting ball valve, parallelly on the sidewall of described valve rod be provided with two annular grooves, be equipped with seal ring in the described annular groove and between the described valve body.Be provided with two seal rings between valve rod and the valve body, have the better seal effect.
In above-mentioned adjusting ball valve, the upper end of described spool is provided with strip groove, and the inner of described valve rod has the convex body that can be embedded into strip groove.When spool linked to each other with valve rod, the convex body of valve rod was embedded in the strip groove, and the torsion of valve rod can be turned on the spool.
In above-mentioned adjusting ball valve, the cross section of described interconnecting part is triangular in shape.
Compared with prior art, this adjusting ball valve has the following advantages:
1, the cross section by interconnecting part being designed to encircle the groove that is located on the spool sidewall and interconnecting part progressively reduces along the sense of rotation of spool, makes this adjusting ball valve can realize linearly adjust, has regulating effect advantage preferably;
2, by design philosophy, can design the sectional shape of the groove of different interconnecting parts according to regulating needs, satisfy regulating characteristic curve;
3, this adjusting ball valve also has simple in structure, easily manufactured advantage.
Description of drawings
Fig. 1 is the main TV structure schematic representation of this adjusting ball valve.
Fig. 2 is the A-A sectional structure schematic representation of this adjusting ball valve.
Fig. 3 is the B-B sectional structure schematic representation of this adjusting ball valve.
Fig. 4 is the perspective view of the spool of this adjusting ball valve.
Fig. 5 is another perspective view of the spool of this adjusting ball valve.
Among the figure, 1, valve body; 2, valve rod; 3, spool; 4, handle; 5, closure part; 5a, shutoff face; 6, interconnecting part; 7, seal ring; 8, strip groove.
Embodiment
Below be specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Shown in Fig. 1 to 5, a kind of adjusting ball valve comprises valve body 1, valve rod 2, spool 3, handle 4, feed-water end and waterexit end, and this ball valve also comprises feed-water end and waterexit end.The inner of valve rod 2 links to each other with spool 3, the outer end that the outer end of valve rod 2 stretches out in valve body 1 and valve rod 2 links to each other with handle 4, spool 3 comprises can be with the closure part 5 of feed-water end shutoff and the interconnecting part 6 that feed-water end can be communicated with the waterexit end, interconnecting part 6 is for encircling the groove that is located on spool 3 sidewalls, the cross section of interconnecting part 6 progressively reduces along the sense of rotation of spool 3, the madial wall of the curved and interconnecting part 6 in the cross section of interconnecting part 6 is mild transition all, curved and all mild transition of its madial wall in the cross section of interconnecting part 6 have minimizing to the advantage of the resistance of the fluid of the throughput of flowing through.Closure part 5 comprises shutoff face 5a and the shutoff face of being positioned at 5a side walls, and two sidewalls are all adjacent with interconnecting part 6, and shutoff face 5a is 1/4 sphere.Shutoff face 5a is 1/4 sphere, the side of 3/4 sphere is interconnecting part 6,90 ° shutoff face 5a by spool 3 closes the ball valve feed-water end, 90 ° shutoff face 5a of spool 3 closes the ball valve waterexit end, make 180 ° interconnecting part 6 realize regulating flow, increase the regulation range of ball valve, improved the sensitivity of regulating.
Parallelly on the sidewall of valve rod 2 be provided with two annular grooves, be equipped with seal ring 7 in the annular groove and between the valve body 1, have the better seal effect.The upper end of spool 3 is provided with strip groove 8, and the inner of valve rod 2 has the convex body that can be embedded into strip groove 8.When spool 3 linked to each other with valve rod 2, the convex body of valve rod 2 was embedded in the strip groove 8, and the torsion of valve rod 2 can be turned on the spool 3.
This adjusting ball valve in use, the closure part 5 of spool 3 is with feed-water end or waterexit end shutoff when rotating by handle 4, realize closing of valve, when needs are opened the adjusting ball valve, by handle 4 rotation valve rods 2, driving spool 3 rotates, interconnecting part 6 is connected feed-water end with the waterexit end, because the cross section of interconnecting part 6 progressively reduces along the sense of rotation of spool 3, therefore, when spool 3 rotates, the circulation area that can regulate the spool 3 of flowing through, play the purpose of regulating flow, by being in line property of the variation size design variation with the cross section of interconnecting part 6, when handle with sleeve 4, can play the effect of linearly adjust, be convenient to regulate, and regulating effect is good, is the simple in structure of this adjusting ball valve, easily manufactured advantage.
As another kind of scheme, the cross section of interconnecting part 6 is triangular in shape or trapezoidal.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as valve body 1, valve rod 2, spool 3, handle 4, closure part 5, shutoff face 5a, interconnecting part 6, seal ring 7, strip groove 8 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (7)
1. regulate ball valve for one kind, comprise valve body (1), valve rod (2), spool (3) and handle (4), the inner of described valve rod (2) links to each other with described spool (3), the outer end that the outer end of described valve rod (2) stretches out in described valve body (1) and described valve rod (2) links to each other with described handle (4), this ball valve also comprises feed-water end and waterexit end, it is characterized in that, described spool (3) comprises can be with the closure part (5) of described feed-water end shutoff and the interconnecting part (6) that described feed-water end can be connected with the waterexit end, described interconnecting part (6) is for encircling the groove that is located on described spool (3) sidewall, and the cross section of described interconnecting part (6) progressively reduces along the sense of rotation of spool (3).
2. adjusting ball valve according to claim 1 is characterized in that, the madial wall of the curved and described interconnecting part in the cross section of described interconnecting part (6) (6) is mild transition all.
3. adjusting ball valve according to claim 1 and 2 is characterized in that, described closure part (5) comprise shutoff face (5a) and the shutoff face of being positioned at (5a) side walls, and described two sidewalls are all adjacent with interconnecting part (6).
4. adjusting ball valve according to claim 3 is characterized in that, described shutoff face (5a) is 1/4 sphere.
5. adjusting ball valve according to claim 1 and 2 is characterized in that, parallelly on the sidewall of described valve rod (2) is provided with two annular grooves, is equipped with seal ring (7) in the described annular groove and between the described valve body (1).
6. adjusting ball valve according to claim 1 and 2 is characterized in that, the upper end of described spool (3) is provided with strip groove (8), and the inner of described valve rod (2) has the convex body that can be embedded into strip groove (8).
7. adjusting ball valve according to claim 1 is characterized in that, the cross section of described interconnecting part (6) is triangular in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220656987 CN203051830U (en) | 2012-12-01 | 2012-12-01 | Adjusting ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220656987 CN203051830U (en) | 2012-12-01 | 2012-12-01 | Adjusting ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051830U true CN203051830U (en) | 2013-07-10 |
Family
ID=48734784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220656987 Expired - Fee Related CN203051830U (en) | 2012-12-01 | 2012-12-01 | Adjusting ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051830U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695884A (en) * | 2013-12-06 | 2015-06-10 | 中国石油天然气股份有限公司 | Wellhead automatic capture device and process method for gas-lifting plunger |
| CN110486494A (en) * | 2019-08-23 | 2019-11-22 | 上海化工院检测有限公司 | A kind of crack type micro Linear regulating valve |
-
2012
- 2012-12-01 CN CN 201220656987 patent/CN203051830U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695884A (en) * | 2013-12-06 | 2015-06-10 | 中国石油天然气股份有限公司 | Wellhead automatic capture device and process method for gas-lifting plunger |
| CN104695884B (en) * | 2013-12-06 | 2017-12-05 | 中国石油天然气股份有限公司 | A kind of well head automatic catching device and process for plunger lift |
| CN110486494A (en) * | 2019-08-23 | 2019-11-22 | 上海化工院检测有限公司 | A kind of crack type micro Linear regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: VOLDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. Free format text: FORMER OWNER: ZHUO DANCHUN Effective date: 20140417 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 317608 TAIZHOU, ZHEJIANG PROVINCE TO: 223900 SUQIAN, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140417 Address after: Suqian City, Jiangsu province Shuang'gou 223900 west of Sihong County Economic Development Zone No. 388 Patentee after: WOERDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. Address before: Taizhou City, Zhejiang province 317608 Yuhuan County Lu Pu Industrial Park Zhejiang world HVAC technology Co Ltd Patentee before: Zhuo Danchun |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170125 Address after: Jiangdong Road Jianye District of Nanjing City, Jiangsu province 210019 C Wanda Center No. 108 Room 501 Patentee after: Jiangsu Wo Hui Industrial Technology Group Limited Address before: Suqian City, Jiangsu province Shuang'gou 223900 west of Sihong County Economic Development Zone No. 388 Patentee before: WOERDA ENVIRONMENTAL TECHNOLOGY JIANGSU CO., LTD. |
|
| 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: 20130710 Termination date: 20171201 |