CN2309465Y - Cock capable of repairing at atmosphere - Google Patents
Cock capable of repairing at atmosphere Download PDFInfo
- Publication number
- CN2309465Y CN2309465Y CN 97222360 CN97222360U CN2309465Y CN 2309465 Y CN2309465 Y CN 2309465Y CN 97222360 CN97222360 CN 97222360 CN 97222360 U CN97222360 U CN 97222360U CN 2309465 Y CN2309465 Y CN 2309465Y
- Authority
- CN
- China
- Prior art keywords
- cock
- standby
- valve body
- shank
- master cock
- 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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- Valve Housings (AREA)
- Taps Or Cocks (AREA)
Abstract
The utility model relates to a cock capable of repairing with pressure. The utility model is characterized in that the inner part of a valve body is provided with a main cock and a spare cock; the cock positions of the main cock and the spare cock are respectively provided with two relative openings; flanges of the main cocks are provided with a plurality of balls which are pushed on end surfaces of the spare cock; the space between a valve cover and sealing pads is provided with a pressing ring with radial direction convexity; the handle part of the spare cock is provided with regulating nuts; when the main cock rotates, the spare cock can not rotate along with the main cock under the action that the regulating nuts can pass through fixing plates and limited plates. When the spare cock rotates, the spare cock can elevate in small ranges and be positioned on 90 DGE C. The utility model has the advantage of convenient use and maintenance.
Description
The utility model relates to a kind of control valve for fluids, particularly relates to a kind of band and presses the maintenance stopcock.
Fluid delivery system generally needs a main valve, needs it is closed when pipe-line system need be overhauled.Because main valve is often opening and closing not, therefore leak because of corrosion easily.Main valve does not cut out in case leak and tightly will make troubles to the maintenance of pipe-line system.If maintenance main valve then the main valve of upper level system must cut out, thereby influence the use of whole system.
Disclosed a kind of two cover cock in the Chinese patent 94238670.1 with the pressure maintenance, can be to overhauling under the situation in the total liquid source that needn't close upper level with liquid systems, its deficiency is that Applicable scope has certain limitation.
The purpose of this utility model provides a kind of band easy to use, that Applicable scope is bigger and presses the maintenance stopcock.
For realizing above purpose, the utility model adopts following technological scheme: a kind of band is pressed the maintenance stopcock, comprise: a flange connects and is provided with the valve body of radial groove, one is installed in the sealing gasket in this valve body, be characterized in, also comprise: one has the valve gap of hexagonal and circular hole, and this valve gap and valve body are threadably engaged; One has the trim ring of radial protrusion, and this trim ring is installed in sealing gasket top and leans with the bottom surface of valve gap, and the radial groove of this radial protrusion and valve body is chimeric; One master cock, this master cock comprise that a shank and with a flange has the master cock portion of the perforation of radially extending, and this shank passes the circular hole of described valve gap; One is provided in the standby cock on the master cock portion periphery, this standby cock comprises that a screwed shank and has the standby cock portion of two relative perforation, be provided with sealing material between the outside of this standby cock portion and valve interior wall, the outer wall sealing engagement of the inboard of this standby cock and master cock portion, the end face of this standby cock is provided with 90 ° of grooves distributed of a plurality of one-tenth, the shank of this standby cock and valve body inner peripheral surface sealing engagement, its end have two parallel spanner planes; Be installed in a plurality of balls in the master cock shank flange, the end face and the groove of this ball and standby cock lean; One has the adjusting nut of columnar portion, the threaded joint of this nut and standby cock shank and leaning at the valve body end face; One central authorities have hexagon ring and are provided with the fixed plate of a plurality of arc grooves at circumferencial direction, wear the hexagonal portion of this adjusting nut in this hexagon ring, and the hexagonal portion of this adjusting nut and the side end face between the columnar portion are fixed and leaned to this fixed plate by screw and valve body; One has square hole and is provided with the fan-shaped limiting board of an arc groove at circumferencial direction, and this square hole can be inserted in the spanner flat end of standby cock shank, and the arc groove of this arc groove and fixed plate is corresponding and pass through bolt.
The utility model band presses the maintenance stopcock to adopt said structure, owing to lean by a plurality of balls in the master cock shank flange and the end face of standby cock, so rotate easily laborsaving, by limiting board standby cock is fixed simultaneously, so standby cock can transfer, and it is spacing to make 90 degree when standby cock is rotated, so easy to use, Sealing was changed easily when band was pressed maintenance.
Below in conjunction with description of drawings preferred embodiment of the present utility model, in the hope of further understanding the purpose of this utility model, characteristics and advantage.
The accompanying drawing simple declaration:
Figure 1A presses the maintenance band for the utility model band and presses the overall structure schematic representation of a preferred embodiment of maintenance stopcock.
Figure 1B is that the A of Figure 1B is to view.
Fig. 2 presses the maintenance band for the utility model band and presses the sectional drawing of master cock in the preferred embodiment of maintenance stopcock.
Fig. 3 presses the maintenance band for the utility model band and presses the schematic representation of trim ring in the preferred embodiment of maintenance stopcock.
Fig. 4 presses the maintenance band for the utility model band and presses the schematic representation of fixed plate in the preferred embodiment of maintenance stopcock.
Fig. 5 presses the maintenance band for the utility model band and presses the schematic representation of limiting board in the preferred embodiment of maintenance stopcock.
Fig. 6 presses the maintenance band for the utility model band and presses the schematic representation of adjusting nut in the preferred embodiment of maintenance stopcock.
Extremely shown in Figure 6 by Figure 1A, the utility model band presses the maintenance stopcock to comprise: a flange connects and is provided with the valve body 10 of radial groove, one is installed in the sealing gasket 4 in this valve body 10, be characterized in, also comprise: one has the valve gap 1 of hexagon-head and circular hole, and this valve gap 1 is threadably engaged with valve body 10; One has the trim ring 3 of radial protrusion (as shown in Figure 3), and this trim ring 3 is installed in sealing gasket 4 tops and leans with the bottom surface of valve gap 1, and the radial groove of this radial protrusion and valve body 10 is chimeric; One master cock 2, this master cock 2 comprise that a shank and with a flange has the master cock portion of two relative openings, and this shank wears the circular hole of valve gap 1; One standby cock 5, this standby cock 5 comprises that a screwed shank and has the standby cock portion of two relative openings, be provided with sealing material between the outside of this standby cock portion and the inwall of valve body 10, the outer wall sealing engagement of the inboard of this standby cock 5 and this master cock portion, the end face of this standby cock 5 is provided with into a plurality of grooves of 90 ° of distributions, the inner peripheral surface sealing engagement of the shank of this standby cock 5 and valve body 10, its end have two parallel spanner planes; Be installed in a plurality of balls 13 in the shank flange of master cock 2, this ball 13 leans with the end face and the groove of standby cock 5; One adjusting nut 8, this nut 8 leans the end face at valve body 10 with the threaded joint of standby cock 5 shanks; One central authorities have hexagon ring and are provided with the fixed plate 7 of a plurality of arc grooves at circumferencial direction, wear the hexagonal portion of this adjusting nut 8 in this hexagon ring, the hexagonal portion of this adjusting nut 8 and the side end face between the columnar portion are fixed and leaned to this fixed plate 7 by screw and valve body 10; One has square hole and is provided with the fan-shaped limiting board of an arc groove at circumferencial direction, and this square hole can be inserted in the spanner flat end of standby cock 5 shanks, and this arc groove is corresponding and fixing by bolt 12 with the arc groove of fixed plate 7, shown in Figure 1B, 4,5.
During use, be connected with inlet ductwork by the suction flange of bolt with valve body 1, outlet(discharge) flange is connected with export pipeline, with the spanner plane of moving master cock 2 upper ends of spanner plate, two relative openings in the master cock portion of master cock 2 are aimed at the hole on the valve body 1, tightened valve gap 1 then.And with the spanner plane of moving standby cock 5 ends of spanner plate, two relative openings in the standby cock portion of standby cock 5 are aimed at the hole on the valve body 1, tighten adjusting nut 8 then, and limiting board 11, fixed plate 7 and valve body 10 are fixed by bolt.This moment, fluid can enter export pipeline by outlet.Close total fluid source maybe need overhaul fluid system the time as need, available spanner turns over an angle with master cock 2 makes the hole of hole in the master cock portion and valve body 1 obstructed.Press maintenance master cock 2 or master cock 2 to leak as the need band, available spanner uses limiting board spacing after standby cock 5 is turned over an angle, make the hole of hole in the standby cock portion and valve body 1 obstructed, can press and be not related at band and overhaul or change master cock 2 under the situation of closing one-level fluid source main valve.
When pressing the maintenance stopcock to use, the utility model band only need get final product with the moving master cock of spanner plate, because a plurality of balls in the master cock shank flange and the end face and the groove of standby cock lean, so rotate easily laborsaving, and because trim ring is housed, master cock and valve gap can be separated, valve gap can transfer or unclamp when master cock rotated, and can guarantee that master cock does not have leakage when rotating.Standby cock is fixed by square hole and bolt owing to limiting board simultaneously, so standby cock can transfer when master cock rotates, and it is spacing to make 90 degree when standby cock is rotated, and, can make slightly lifting of standby cock during the moving standby cock of plate, so rotation is light because fixed plate and the hexagonal portion of adjusting nut and the side end face between the columnar portion lean, easy to use, Sealing is changed easily during maintenance, and imports and exports and adopt flange to connect, and Applicable scope is bigger.
Claims (4)
1. a band is pressed the maintenance stopcock, comprise: a flange connects and is provided with the valve body of radial groove, and one is installed in the sealing gasket in the described valve body, it is characterized in that, also comprise: one has the valve gap of hexagonal and circular hole, and described valve gap and described valve body are threadably engaged; One has the trim ring of radial protrusion, and described trim ring is installed in described sealing gasket top and leans with the bottom surface of described valve gap, and the radial groove of described radial protrusion and described valve body is chimeric; One master cock, described master cock comprise that a shank and with a flange has the master cock portion of two relative openings, and described shank wears the circular hole of described valve gap; One is provided in the standby cock on the master cock portion periphery, described standby cock comprises that a screwed shank and has the standby cock portion of two relative openings, be provided with sealing material between the outside of described standby cock portion and described valve interior wall, the outer wall sealing engagement of the inboard of described standby cock and described master cock portion, the end face of described standby cock is provided with 90 ° of grooves distributed of a plurality of one-tenth, the shank of described standby cock and described valve body inner peripheral surface sealing engagement, its end has two parallel spanner planes; Be installed in a plurality of balls in the described master cock shank flange, the end face and the groove of described ball and described standby cock lean; One has the adjusting nut of columnar portion, the threaded joint of described nut and described standby cock shank and leaning at described valve body end face; One central authorities have hexagon ring and are provided with the fixed plate of a plurality of arc grooves at circumferencial direction, wear the hexagonal portion of described adjusting nut in the described hexagon ring, the hexagonal portion of described adjusting nut and the side end face between the columnar portion are fixed and leaned to described fixed plate by screw and described valve body; One has square hole and is provided with the fan-shaped limiting board of an arc groove at circumferencial direction, and described square hole can be inserted in the spanner flat end of described standby cock shank, and the arc groove of described arc groove and described fixed plate is corresponding and pass through bolt.
2. band as claimed in claim 1 is pressed the maintenance stopcock, it is characterized in that the upper end portion of described master cock has two parallel spanner planes.
3. band as claimed in claim 1 or 2 is pressed the maintenance stopcock, it is characterized in that the master cock portion outer side surface of described master cock and the inner side surface of described standby cock have a corresponding tapering.
4. press the maintenance stopcock as claim 1 or 2 or 3 described bands, it is characterized in that, the outer side surface of the master cock portion of described master cock coats with teflon and makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97222360 CN2309465Y (en) | 1997-08-29 | 1997-08-29 | Cock capable of repairing at atmosphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97222360 CN2309465Y (en) | 1997-08-29 | 1997-08-29 | Cock capable of repairing at atmosphere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2309465Y true CN2309465Y (en) | 1999-03-03 |
Family
ID=33937466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97222360 Expired - Fee Related CN2309465Y (en) | 1997-08-29 | 1997-08-29 | Cock capable of repairing at atmosphere |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2309465Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758927A (en) * | 2012-05-14 | 2012-10-31 | 康胜利 | All-plastic conical pillar type combination valve |
| CN112324949A (en) * | 2020-11-10 | 2021-02-05 | 中核嘉华设备制造股份公司 | Hastelloy plug valve and use method thereof |
-
1997
- 1997-08-29 CN CN 97222360 patent/CN2309465Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758927A (en) * | 2012-05-14 | 2012-10-31 | 康胜利 | All-plastic conical pillar type combination valve |
| CN112324949A (en) * | 2020-11-10 | 2021-02-05 | 中核嘉华设备制造股份公司 | Hastelloy plug valve and use method thereof |
| CN112324949B (en) * | 2020-11-10 | 2022-09-23 | 中核嘉华设备制造股份公司 | Hastelloy plug valve and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |