CN2620802Y - All closing type cock - Google Patents
All closing type cock Download PDFInfo
- Publication number
- CN2620802Y CN2620802Y CN 03234540 CN03234540U CN2620802Y CN 2620802 Y CN2620802 Y CN 2620802Y CN 03234540 CN03234540 CN 03234540 CN 03234540 U CN03234540 U CN 03234540U CN 2620802 Y CN2620802 Y CN 2620802Y
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- CN
- China
- Prior art keywords
- cock
- valve
- valve body
- nut
- friction plate
- 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 provides a complete closed plug valve, which comprises mainly a valve body with a lower valve cover and an upper valve cover, a plug cock arranged in the valve body, a valve lever connected to the plug cock, a nut and a hand wheel that are arranged on the valve lever. A surface bearing and a spring are positioned on the upper face of the plug cock, a upper friction plate and a lower friction plate that are positioned on two ends of the nut are fixed and arranged on the valve lever. When the complete closed plug valve is turned on, the handle wheel is rotated counterclockwise, the plug cock which is fixed and arranged on the valve lever moves upward consequently and separates with the inner wall of the valve body slightly, when the nut contacts with the lower friction plate, the plug cock is driven to rotate, thus the complete closed plug valve is turned on easily, thereby the jam and the scratch of the plug cock can be prevented effectively. The utility model is portable and flexible, has the advantages of rational structure, high performance of sealing, easy operation, and excellent market prospect.
Description
Technical field:
The utility model belongs to the valve series products, specifically a kind of complete box-like stopcock, and it is specially adapted to field of engineering technology such as oil, chemical industry and installs and uses.
Background technique:
Stopcock is an important class in the valve series product, (only need rotation 90 degree can realize the purpose that opens and closes apace because it has compact structure, good seal performance, unlatching is convenient and swift, realize easily automation control) etc. advantage, it has application very widely in field of engineering technology such as industry, agricultural, oil, chemical industry.In general, stopcock is to be made of valve body and the faucet body that is fitted in the valve body, faucet body and valve interior wall realize fitting tightly sealing with the circular cone conical surface, therefore, require the accuracy of manufacturing of the faucet body circular cone conical surface and valve interior wall sealing surface high in process of production, just can guarantee the sealability of stopcock; Pivoting friction torque increased when another side, faucet body and valve interior wall fitted tightly and cause and open, and opened very effort, and also occurred jam easily even pull sealing surface when opening, and influenced the proper functioning of stopcock.Just present, existing valve factory can only produce the following low pressure stopcock product of 1.6MPa.Chinese patent CN2338548Y discloses the technology that a kind of name is called " stopcock ", it is that a cam deciliter mechanism is installed in lower cover, when opening stopcock, rotating cam axle at first, make the cam jack-up faucet body that makes progress, can realize the purpose of the stopcock of rotation valve rod unlatching easily, this patented technology can be used for manufacturing the above middle and high pressure stopcock product of 1.6MPa.But this product need divide secondary operation could open or the cut-out tap valve, is using the comparatively trouble that seems in the operation.
Summary of the invention:
The utility model be propose on the basis of existing technology a kind of reasonable in design, compact structure, good seal performance, simplified control is quick, the complete box-like stopcock in laborsaving timesaving, it is mainly by bottom flange is installed, the valve body of bonnet, be installed on the support of bonnet, be fitted to the cock in the valve body, be fixedly connected on the valve rod of cock, the nut and the handwheel that are fitted to valve rod constitute, at the bottom flange inner wall device cock limiting stopper is arranged, it is characterized in that cock and valve body cooperation position place are equipped with radial bearing, the upper-end surface of cock is fitted with plane bearing and spring, under the effect of spring, in the course of the work, the circular cone conical surface of cock and valve interior wall sealing surface can remain and fit tightly, can guarantee the highly reliable sealability of valve, the end positions place that is positioned at nut on valve rod is installed with upper friction plate and following friction plate.When opening complete box-like stopcock, rotate handwheel counter clockwise, handwheel drives the nut rotation that becomes screw-thread fit with valve rod valve rod is upwards mentioned slightly, the cock that is fixedly connected on valve rod thereupon upwards micro-displacement separate slightly with the valve interior wall sealing surface, when nut contacts applying with following friction plate, drive valve rod and together rotate, can easily complete box-like stopcock be opened, can prevent the cock jam effectively and pull sealing surface with the cock that is fixedly connected on valve rod; When need are closed, handwheel moves in the direction of the clock, nut contacts with upper friction plate when fitting, the cock that drives valve rod and be fixedly connected on valve rod is backward rotation together, under the effect of medium self pressure and spring force, the circular cone conical surface and the valve interior wall sealing surface of cock can remain applying, have highly reliable sealability.
The utility model also has following technical characteristics:
Valve rod is fixedly connected on cock by pin, has easy, the fixedly connected effective advantage of manufacturing.
Be fitted with plane bearing between support and handwheel, the operation handwheel is light, laborsaving.
Be pressed with plane bearing at rack bore by the locking wire ring, have light, the labour-saving advantage of operation.
Valve body cooperates the inwall place to make oil groove with cock, good lubrication protection effect is played in cock and valve body matching surface, prolongs operating life effectively.
Description of drawings:
Accompanying drawing is a structural representation of the present utility model.
Embodiment:
The complete box-like stopcock that the utility model proposes, it is achieved by the following technical solution: it mainly comprise by bolt 20 be connected and installed with bottom flange 1, bonnet 19 valve body 9, be installed on bonnet 19 support 24, be fitted to cock 3 in the valve body 9, be fixedly connected on the valve rod 11 of cock 3, the nut 15 that is fitted to valve rod 11 and handwheel 14 by pin 5, at bottom flange 1 inner wall device cock limiting stopper 2 is arranged, bonnet is pressed with soft seal 18 by seal pressure cap 12 in the 19 lid chambeies, is fitted with plane bearing 17 between support 24 and handwheel 14; Be pressed with plane bearing 17 at support 24 inner chambers by locking wire ring 23; Be equipped with radial bearing 6 in cock 3 with valve body 9 cooperation position places; all can reduce the pivoting friction resisting moment effectively; make operation light, laborsaving; valve body 9 cooperates the inwall place to make oil groove 22 with cock 3; injecting lubricating grease in oil groove 22 can play good lubrication protection effect to the matching surface of cock 3 and valve body 9, can prolong operating life effectively.Be fitted with plane bearing 21 and spring 10 in the upper-end surface of cock 3, in the course of the work, under the pressure effect of spring 10, the circular cone conical surface of cock 3 and valve body 9 inner wall sealing faces can remain and fit tightly, can guarantee the highly reliable sealability of valve, the end positions place that is positioned at nut 15 on valve rod 11 is installed with upper friction plate 16 and following friction plate 13, it is like this work: when opening complete box-like stopcock, rotate handwheel 14 counter clockwise, handwheel 14 drives with nut 15 rotations of 11 one-tenth screw-thread fit of valve rod upwards mentions valve rod 11 slightly, the cock 3 that is fixedly connected on valve rod 11 thereupon upwards micro-displacement separate slightly with the inner wall sealing face of valve body 9, when nut 15 contacts applying with following friction plate 13, drive valve rod 11 and together turn to the enable possition with the cock 3 that is fixedly connected on valve rod 11, even import of valve body 98 and outlet 4 through holes 7 by cock 3 are connected, can easily complete box-like stopcock be opened, in opening process, because cock 3 has small the separation with the inner wall sealing face of valve body 9, can prevent cock 3 jams effectively and pull sealing surface; When need are closed, handwheel 11 moves in the direction of the clock, nut 15 contacts with upper friction plate 16 when fitting, the cock 3 that drives valve rod 11 and be fixedly connected on valve rod 11 is backward rotation together, cock 3 is with the import 8 and outlet 4 blocking-up of valve body 9, under the effect of the elastic pressure of medium self pressure and spring 10, the circular cone conical surface of cock 3 and valve body 9 inner wall sealing faces can remain applying, can keep highly reliable sealability.
Claims (5)
1. complete box-like stopcock, it is mainly by bottom flange (1) is installed, the valve body (9) of bonnet (19), be installed on the support (24) of bonnet (19), be fitted to the cock (3) in the valve body (9), be fixedly connected on the valve rod (11) of cock (3), the nut (15) and the handwheel (14) that are fitted to valve rod (11) constitute, at bottom flange (1) inner wall device cock limiting stopper (2) is arranged, it is characterized in that cock (3) and valve body (9) cooperation position place are equipped with radial bearing (6), the upper-end surface of cock (3) is fitted with plane bearing (21) and spring (10), and the end positions place that is positioned at nut (15) on valve rod (11) is installed with upper friction plate (16) and following friction plate (13).
2. complete box-like stopcock according to claim 1 is characterized in that valve rod (11) is fixedly connected on cock (3) by pin (5).
3. complete box-like stopcock according to claim 1 is characterized in that being fitted with plane bearing (17) between support (24) and handwheel (14).
4. complete box-like stopcock according to claim 1 is characterized in that being pressed with plane bearing (17) at support (24) inner chamber by locking wire ring (23).
5. complete box-like stopcock according to claim 1 is characterized in that valve body (9) cooperates the inwall place to make oil groove (22) with cock (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03234540 CN2620802Y (en) | 2003-05-23 | 2003-05-23 | All closing type cock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03234540 CN2620802Y (en) | 2003-05-23 | 2003-05-23 | All closing type cock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2620802Y true CN2620802Y (en) | 2004-06-16 |
Family
ID=34249256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03234540 Expired - Fee Related CN2620802Y (en) | 2003-05-23 | 2003-05-23 | All closing type cock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2620802Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090550A (en) * | 2015-09-08 | 2015-11-25 | 荆门市广恒机电设备有限公司 | Fire control throttle valve |
| CN110107709A (en) * | 2019-06-01 | 2019-08-09 | 宁波文泽机电技术开发有限公司 | Plug valve |
| CN111810663A (en) * | 2020-09-01 | 2020-10-23 | 杨煜海 | Valve with detachable valve rod |
| CN113294583A (en) * | 2021-04-30 | 2021-08-24 | 西安航天远征流体控制股份有限公司 | Pressure balance type plug valve and driving device thereof |
| CN114055400A (en) * | 2022-01-13 | 2022-02-18 | 成都成高阀门有限公司 | Sliding bearing assembling tool and assembling method thereof |
-
2003
- 2003-05-23 CN CN 03234540 patent/CN2620802Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090550A (en) * | 2015-09-08 | 2015-11-25 | 荆门市广恒机电设备有限公司 | Fire control throttle valve |
| CN110107709A (en) * | 2019-06-01 | 2019-08-09 | 宁波文泽机电技术开发有限公司 | Plug valve |
| CN111810663A (en) * | 2020-09-01 | 2020-10-23 | 杨煜海 | Valve with detachable valve rod |
| CN113294583A (en) * | 2021-04-30 | 2021-08-24 | 西安航天远征流体控制股份有限公司 | Pressure balance type plug valve and driving device thereof |
| CN113294583B (en) * | 2021-04-30 | 2024-03-08 | 西安航天远征流体控制股份有限公司 | Pressure balance type plug valve and driving device thereof |
| CN114055400A (en) * | 2022-01-13 | 2022-02-18 | 成都成高阀门有限公司 | Sliding bearing assembling tool and assembling method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040616 Termination date: 20110523 |