CN204477321U - A kind of high voltage precision flow taper control valve - Google Patents
A kind of high voltage precision flow taper control valve Download PDFInfo
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- CN204477321U CN204477321U CN201520172586.XU CN201520172586U CN204477321U CN 204477321 U CN204477321 U CN 204477321U CN 201520172586 U CN201520172586 U CN 201520172586U CN 204477321 U CN204477321 U CN 204477321U
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Abstract
A kind of high voltage precision flow taper control valve, it relates to a kind of control valve.The purpose of this utility model is that control valve of the prior art exists interior leakage, appearance quality is not high, the life-span is short, malfunction makes the insecure problem of valving work in order to solve.The utility model comprises valve body, described valve body comprises motion valve body and stationary valve body, motion valve body and stationary valve body are the cylindrical structure that open at both ends inside is communicated with, spool and fixing frame is provided with in the cavity of stationary valve body, the front end of spool is taper, spool rear end is fixedly connected with the rear end of stationary valve body by fixing frame, the tight intercalation in rear end of motion valve body is in the front-end port of stationary valve body, and along the axle center to-and-fro motion of valve body, the described shape of motion valve rear end port coordinates corresponding with the surface configuration of spool front end, the front end of described motion valve body is the entry end of valve body, the rear end of stationary valve body is the outlet end of valve body.The utility model improves control valve device functional reliability.
Description
Technical field
The utility model relates to a kind of control valve, is specifically related to a kind of high voltage precision flow taper control valve, belongs to valve technology field.
Background technique
The year total demand in current Chinese valve market does not descend 10,000,000,000 yuan.According to scientific development view, China is the needs guaranteeing Development of Economy from now on and improve the people's livelihood, must by infrastructure construction, as water, electricity, gas, heat etc. are placed on the most important thing, and the ample scope for abilities of this valve exactly.That is, still belong to the Chinese valve market of newly-built type and non-replaceable type as one, the potentiality of its demand and explosive force will be surprising.
Along with World Economics gets warm again after a cold spell, the import and export of China's valve products also increase to some extent, but owing to still there is larger gap in high-end technology compared with external manufacturer, in one period from now on, product technology will become a bottleneck of restriction China valve products development.It is reported, the various valve ubiquities that current Chinese Enterprises is produced leak outside, interior leakage, appearance quality is not high, the life-span is short, malfunction and electric device for valve and the shortcoming such as Pneumatic actuator is unreliable, portioned product is only equivalent to the world level at the beginning of the eighties in last century, the valve still dependence on import that some High Temperature High Pressure and key device need.
Model utility content
The purpose of this utility model is that control valve of the prior art exists interior leakage, appearance quality is not high, the life-span is short, malfunction makes the insecure problem of valving work in order to solve.
The technical solution of the utility model is: a kind of high voltage precision flow taper control valve, comprise valve body, described valve body comprises motion valve body and stationary valve body, motion valve body and stationary valve body are the rotary structure that open at both ends inside is communicated with, spool and fixing frame is provided with in the cavity of stationary valve body, the front end of spool is taper, spool rear end is fixedly connected with the rear end of stationary valve body by fixing frame, the tight intercalation in rear end of motion valve body is in the front-end port of stationary valve body, and along the axis to-and-fro motion of valve body, the described shape of motion valve rear end port coordinates corresponding with the surface configuration of spool front end, the front end of described motion valve body is the entry end of valve body, the rear end of stationary valve body is the outlet end of valve body.
The outer wall of described motion valve rear end is provided with outside thread, and the front inner wall of stationary valve body is provided with internal thread, and described internal thread and outside thread coordinate corresponding, and make motion valve body to the motion of spool direction by screw thread, control procedure is more accurate.
On the inwall of on the inwall of described motion valve body and back-end ports place, stationary valve body and the outer surface of spool be equipped with film layer, the film of inner flow passage guarantees durability and the sealing of product.
The centerline collineation of described motion valve body, stationary valve body and spool, motion valve body, stationary valve body and spool coordinate more tight, control flow more accurate.
Described motion valve body and stationary valve body touching position are provided with the first Sealing, guarantee the sealing of valve body, prevent valve from occurring the phenomenon that leaks outside, and not only ensure that the workmanship of valve body, and improve the serviceability of valve body.
The front end sleeve of described motion valve body is provided with inlet flange, is provided with the second Sealing between inlet flange and motion valve body.
The utility model compared with prior art has following effect: the utility model structure is simple, control mode simple and flexible, streamlined taper valve core reduces the flow resistance of medium to greatest extent, effectively solve the problem of interior leakage, improve the quality of control valve, extend working life, improve the reliability of control valve device work, taper valve core and moveable motion valve body cooperatively interact increases the serviceability of product, the utility model is applicable to switch and the Flow-rate adjustment of various flowing medium, be applicable to various field, as oil refinery, chemical plant, water treatment plant, food factory etc.
Accompanying drawing explanation
Fig. 1, overall structure sectional view of the present utility model;
The structural representation during circulation of Fig. 2, valve inner of the present utility model;
Fig. 3, structural representation when valve inner of the present utility model closes.
In figure, 1, motion valve body, 2, stationary valve body, 3, spool, 4, fixing frame, the 5, first Sealing, the 6, second Sealing, 7, inlet flange, 8, outlet(discharge) flange.
Embodiment
Accompanying drawings embodiment of the present utility model, a kind of high voltage precision flow taper control valve of present embodiment, comprise valve body, described valve body comprises motion valve body 1 and stationary valve body 2, motion valve body 1 and stationary valve body 2 are the rotary structure that open at both ends inside is communicated with, spool 3 and fixing frame 4 is provided with in the cavity of stationary valve body 2, the front end of spool 3 is taper, spool 3 rear end is fixedly connected with by the rear end of fixing frame 4 with stationary valve body 2, the tight intercalation in rear end of motion valve body 1 is in the front-end port of stationary valve body 2, and along the axis to-and-fro motion of valve body, the shape of described motion valve body 1 back-end ports coordinates corresponding with the surface configuration of spool 3 front end, the front end of described motion valve body 1 is the entry end of valve body, the rear end of stationary valve body 2 is the outlet end of valve body.
The outer wall of described motion valve body 1 rear end is provided with outside thread, and the front inner wall of stationary valve body 2 is provided with internal thread, and described internal thread and outside thread coordinate corresponding.
The inwall of described motion valve body, outer wall and back-end ports place are provided with film layer, and the outer surface of described spool is provided with film layer, and the inwall of stationary valve body is also provided with film layer, and described film can change class coating material according to the change of medium.
The axis collinear of described motion valve body 1, stationary valve body 2 and spool 3.
Described motion valve body 1 and stationary valve body 2 touching position are provided with the first Sealing 5.
The front end sleeve of described motion valve body 1 is provided with inlet flange 7, is provided with the second Sealing 6 between inlet flange and motion valve body 1.
The entry end of valve body is connected by inlet flange 7 and ingress pipeline, the outlet end of valve body is connected by outlet(discharge) flange 8 and outlet conduit, according to flow quantity in valve size, rotary motion valve body 1, motion valve body 1 controls flow and pressure being moved reciprocatingly by screw thread, when motion valve body 1 moves to spool 3 direction, the port of motion valve body 1 rear end gradually near taper valve core 3 to when fitting completely, valve body is closed, motion valve body 1 is to when moving away from spool 3 direction, valve body is in open mode, the object of flow and pressure in control valve body is realized by the distance between the port of controlled motion valve body 1 rear end and spool 3.
Claims (6)
1. a high voltage precision flow taper control valve, comprise valve body, described valve body comprises motion valve body and stationary valve body, it is characterized in that: motion valve body and stationary valve body are the rotary structure that open at both ends inside is communicated with, spool and fixing frame is provided with in the cavity of stationary valve body, the front end of spool is taper, spool rear end is fixedly connected with the rear end of stationary valve body by fixing frame, the tight intercalation in rear end of motion valve body is in the front-end port of stationary valve body, and along the axis to-and-fro motion of valve body, the described shape of motion valve rear end port coordinates corresponding with the surface configuration of spool front end, the front end of described motion valve body is the entry end of valve body, the rear end of stationary valve body is the outlet end of valve body.
2. a kind of high voltage precision flow taper control valve according to claim 1, is characterized in that: the outer wall of described motion valve rear end is provided with outside thread, and the front inner wall of stationary valve body is provided with internal thread, and described internal thread and outside thread coordinate corresponding.
3. a kind of high voltage precision flow taper control valve according to claim 2, is characterized in that: the inwall of described motion valve body, outer wall and back-end ports place are provided with film layer, and the outer surface of described spool is provided with film layer.
4. a kind of high voltage precision flow taper control valve according to claim 3, is characterized in that: the axis collinear of described motion valve body, stationary valve body and spool.
5. a kind of high voltage precision flow taper control valve according to claim 4, is characterized in that: the contacting point of described motion valve body and stationary valve body is provided with the first Sealing.
6. a kind of high voltage precision flow taper control valve according to claim 5, is characterized in that: the front end sleeve of described motion valve body is provided with inlet flange, is provided with the second Sealing between inlet flange and motion valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172586.XU CN204477321U (en) | 2015-03-25 | 2015-03-25 | A kind of high voltage precision flow taper control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520172586.XU CN204477321U (en) | 2015-03-25 | 2015-03-25 | A kind of high voltage precision flow taper control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204477321U true CN204477321U (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520172586.XU Active CN204477321U (en) | 2015-03-25 | 2015-03-25 | A kind of high voltage precision flow taper control valve |
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| CN (1) | CN204477321U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107739061A (en) * | 2017-11-07 | 2018-02-27 | 东莞市天合机电开发有限公司 | A kind of alternative small-sized water purifier changed of purification medium |
| CN109163112A (en) * | 2018-10-12 | 2019-01-08 | 东北石油大学 | A kind of axial belly core valve reducing the breakup of drop |
| CN112797184A (en) * | 2021-01-04 | 2021-05-14 | 蓝箭航天空间科技股份有限公司 | Pneumatic control valve mechanism for liquid rocket engine and rocket engine |
-
2015
- 2015-03-25 CN CN201520172586.XU patent/CN204477321U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107739061A (en) * | 2017-11-07 | 2018-02-27 | 东莞市天合机电开发有限公司 | A kind of alternative small-sized water purifier changed of purification medium |
| CN109163112A (en) * | 2018-10-12 | 2019-01-08 | 东北石油大学 | A kind of axial belly core valve reducing the breakup of drop |
| CN112797184A (en) * | 2021-01-04 | 2021-05-14 | 蓝箭航天空间科技股份有限公司 | Pneumatic control valve mechanism for liquid rocket engine and rocket engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180814 Address after: 518109 Guangdong Shenzhen Longhua District Longhua Street Qinghua community Qinglong Road 6 harbour dragon science park 201 Patentee after: Shenzhen Qing Gong Lin Technology Development Co., Ltd. Address before: 116200 No. 1-96, Feng Jia Dian street, Taiping Office, Pulandian, Dalian, Liaoning. Patentee before: Celebrate victory woods fluid machinery Co., Ltd in Dalian |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210407 Address after: No.51, Gongbin Road, Xiangfang District, Harbin City, Heilongjiang Province Patentee after: BARBIN QINGGONGLIN PUMPS Co.,Ltd. Address before: 518109 Guangdong Shenzhen Longhua District Longhua Street Qinghua community Qinglong Road 6 harbour dragon science park 201 Patentee before: SHENZHEN QINGGONGLIN TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right |