CN104896110A - Stop valve for industrial refrigeration - Google Patents
Stop valve for industrial refrigeration Download PDFInfo
- Publication number
- CN104896110A CN104896110A CN201510313668.6A CN201510313668A CN104896110A CN 104896110 A CN104896110 A CN 104896110A CN 201510313668 A CN201510313668 A CN 201510313668A CN 104896110 A CN104896110 A CN 104896110A
- Authority
- CN
- China
- Prior art keywords
- valve
- pipe body
- industrial refrigeration
- flap
- stop valve
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
Abstract
The invention relates to the technical field of valves, and specifically relates to a stop valve for industrial refrigeration. The stop valve for industrial refrigeration comprises a valve seat, a valve cover, a valve stem, a valve disc, a valve disc gasket, a pressure plate, balls, a plug, a flange gasket, a filling material gasket, a filling material, a compressing screw, sealing rings, flange screws, and a hand-operated device for opening and closing the valve, the valve cover is connected with the valve seat via square flanges, the valve seat is provided with an inlet-pipe body and an outlet-pipe body arranged in a vertical or parallel manner, the valve disc is arranged between the inlet-pipe body and the outlet-pipe body in a matched manner, the valve disc and the valve stem are connected via the balls and locked via the plug, the valve stem is provided with a tapered upper seal, the valve stem is threadingly connected with the valve cover, the upper part of the valve cover is provided with a filling box, the filling material gasket, the filling material, and the compressing screw are arranged in the filling box, the compressing screw is threadingly connected with the filling box, and the top end of the valve stem is provided with the hand-operated device for opening and the closing the valve. According to the stop valve, the design employs the square flanges so that compared with circular flanges, the material is saved, the weight is low, the placement is easy, the fit is tighter, the sealing is better, and the stop valve is especially applicable to industrial refrigeration.
Description
Technical field
The present invention relates to valve technology field, especially a kind of industrial refrigeration stop valve.
Background technique
Along with the development of domestic refrigeration industry, the application of industrial refrigeration stop valve is more and more extensive, and original cast iron stop valve Heavy Weight, profile is ugly, complex structure, easily leaks, dangerous.Therefore, be badly in need of providing a kind of steel, profile is beautiful, structure is simple, the industrial refrigeration stop valve of safety.
Summary of the invention
The technical problem to be solved in the present invention is: based on the problems referred to above, the invention provides a kind of not only reliable but also safe industrial refrigeration stop valve.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of industrial refrigeration stop valve, comprise valve seat, valve gap, valve rod, flap, flap pad, pressing plate, ball, screw plug, flange gasket, filler pad, filler, pressure spiral shell, seal ring, the manual operating device of flange screw and switch valve, described valve gap is connected by square flange with valve seat, there is between valve gap and valve seat the flange gasket of sealing, described valve seat has the inlet pipe body of perpendicular or parallel setting and goes out pipe body, inlet pipe body and go out between pipe body to be equipped with flap, flap is provided with flap pad and pressing plate, flap is connected by ball with valve rod, and lock with screw plug, valve rod is provided with tapered upper sealing, valve rod and valve gap are threaded, the top of valve gap is provided with Stuffing box, filler pad is provided with in Stuffing box, filler and pressure spiral shell, seal ring is provided with in pressure spiral shell, pressure spiral shell and Stuffing box are threaded, valve stem tip is provided with the manual operating device of switch valve.
Further, described manual operating device is handwheel.
Further, described manual operating device is sealed cap, and described sealed cap is connected with the Stuffing box external screw-thread of valve gap.
Further, described valve seat is provided with sealing surface of seat, described in go out in pipe body to be provided with valve seat effluent mouth.
Further, described inlet pipe body is right-angle type stop valve with going out pipe body mutually vertical
Further, described inlet pipe body and go out pipe body) be parallel to each other or overlap as straight-through stop valve.
The invention has the beneficial effects as follows: this stop valve is because being designed to square flange, than round flange material-saving, lightweight, easily puts, coordinate tightr, sealing is stronger, is particularly useful for industrial refrigeration.
Accompanying drawing explanation
Below in conjunction with accompanying drawing embodiment, the present invention is further described.
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the embodiment of the present invention 2.
In figure: 1. valve seat, 2. valve gap, 3. valve rod, 4. flap, 5. flap pad, 6. pressing plate, 7. ball, 8. screw plug, 9. flange gasket, 10. filler pad, 11. fillers, 12. pressure spiral shells, 13. seal rings, 14. flange screws, 15. handwheels, 16. sealed caps, 1.1. inlet pipe body, 1.2. valve seat goes out pipe body, 1.3. sealing surface of seat, 1.4. valve seat effluent mouth, 2.1. Stuffing box, 2.2. square flange, 3.1. taper seals.
Embodiment
The invention will be further described in conjunction with specific embodiments now, and following examples are intended to the present invention instead of limitation of the invention further are described.
As shown in Figure 1, a kind of industrial refrigeration right-angle type stop valve, comprise valve seat 1, valve gap 2, valve rod 3, flap 4, flap pad 5, pressing plate 6, ball 7, screw plug 8, flange gasket 9, filler pad 10, filler 11, pressure spiral shell 12, seal ring 13, flange screw 14 and handwheel 15, valve gap 2 is connected by square flange 2.2 with valve seat 1, there is between valve gap 2 and valve seat 1 flange gasket 9 of sealing, valve seat 1 has vertically disposed inlet pipe body 1.1 and goes out pipe body 1.2, inlet pipe body 1.1 and go out between pipe body 1.2 to be equipped with flap 4, flap 4 is provided with flap pad 5 and pressing plate 6, flap 4 is connected by ball 7 with valve rod 3, and lock with screw plug 8, valve rod 3 is provided with tapered upper sealing 3.1, the be threaded top of valve gap 2 of valve rod 3 and valve gap 2 is provided with Stuffing box 2.1, filler pad 10 is provided with in Stuffing box 2.1, filler 11 and pressure spiral shell 12, pressure Luo12Kou is provided with seal ring 13, pressure spiral shell 12 and Stuffing box 2.1 are threaded, on valve rod 3, top is provided with the handwheel 15 of switch valve.
As shown in Figure 2, a kind of industrial refrigeration straight-through stop valve, comprises valve seat 1, valve gap 2, valve rod 3, flap 4, flap pad 5, pressing plate 6, ball 7, screw plug 8, flange gasket 9, filler pad 10, filler 11, pressure spiral shell 12, seal ring 13, flange screw 14 and sealed cap 16, valve gap 2 is connected by square flange 2.2 with valve seat 1, there is between valve gap 2 and valve seat 1 flange gasket 9 of sealing, valve seat 1 has the inlet pipe body 1.1 that be arranged in parallel and goes out pipe body 1.2, inlet pipe body 1.1 and go out between pipe body 1.2 to be equipped with flap 4, flap 4 is provided with flap pad 5 and pressing plate 6, and flap 4 is connected by ball 7 with valve rod 3, and lock with screw plug 8, valve rod 3 is provided with tapered upper sealing 3.1, and the be threaded top of valve gap 2 of valve rod 3 and valve gap 2 is provided with Stuffing box 2.1, is provided with filler pad 10 in Stuffing box 2.1, filler 11 and pressure spiral shell 12, pressure Luo12Kou is provided with seal ring 13, and pressure spiral shell 12 and Stuffing box 2.1 are threaded, and on valve rod 3, top is provided with switch valve sealed cap 16, and sealed cap 16 is connected with Stuffing box 2.1 external screw-thread of valve gap 2.
In addition, valve seat 1 is provided with sealing surface of seat 1.3, goes out in pipe body 1.2 to be provided with valve seat effluent mouth 1.4.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification, must determine its technical scope according to right.
Claims (6)
1. an industrial refrigeration stop valve, comprises valve seat (1), valve gap (2), valve rod (3), flap (4), flap pad (5), pressing plate (6), ball (7), screw plug (8), flange gasket (9), filler pad (10), filler (11), pressure spiral shell (12), seal ring (13), the manual operating device of flange screw (14) and switch valve, it is characterized in that: described valve gap (2) is connected by square flange (2.2) with valve seat (1), there is between valve gap (2) and valve seat (1) flange gasket (9) of sealing, described valve seat (1) has the inlet pipe body (1.1) of perpendicular or parallel setting and goes out pipe body (1.2), inlet pipe body (1.1) and go out between pipe body (1.2) to be equipped with flap (4), flap (4) is provided with flap pad (5) and pressing plate (6), and flap (4) is connected by ball (7) with valve rod (3), and lock with screw plug (8), valve rod (3) is provided with tapered upper sealing (3.1), valve rod (3) and valve gap (2) are threaded, the top of valve gap (2) is provided with Stuffing box (2.1), is provided with filler pad (10) in Stuffing box (2.1), filler (11) and pressure spiral shell (12), seal ring (13) is provided with in pressure spiral shell (12), pressure spiral shell (12) and Stuffing box (2.1) are threaded, and valve rod (3) top is provided with the manual operating device of switch valve.
2. a kind of industrial refrigeration stop valve according to claim 1, is characterized in that: described manual operating device is handwheel (15).
3. a kind of industrial refrigeration stop valve according to claim 1, it is characterized in that: described manual operating device is sealed cap (16), described sealed cap (16) is connected with Stuffing box (2.1) external screw-thread of valve gap (2).
4. a kind of industrial refrigeration stop valve according to claim 1, it is characterized in that: described valve seat (1) is provided with sealing surface of seat (1.3), described in go out in pipe body (1.2) to be provided with valve seat effluent mouth (1.4).
5. a kind of industrial refrigeration stop valve according to claim 1, is characterized in that: described inlet pipe body (1.1) is right-angle type stop valve with going out pipe body (1.2) mutually vertical.
6. a kind of industrial refrigeration stop valve according to claim 1, is characterized in that: described inlet pipe body (1.1) and go out pipe body (1.2) and be parallel to each other or overlap as straight-through stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510313668.6A CN104896110A (en) | 2015-06-09 | 2015-06-09 | Stop valve for industrial refrigeration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510313668.6A CN104896110A (en) | 2015-06-09 | 2015-06-09 | Stop valve for industrial refrigeration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104896110A true CN104896110A (en) | 2015-09-09 |
Family
ID=54028963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510313668.6A Pending CN104896110A (en) | 2015-06-09 | 2015-06-09 | Stop valve for industrial refrigeration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104896110A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0581034A1 (en) * | 1992-07-29 | 1994-02-02 | Fro Saldatura S.P.A. | Valve with axially mobile valving element, for gas cylinders and similar uses |
| CN1563751A (en) * | 2004-04-02 | 2005-01-12 | 许炎章 | Refrigerating valve |
| CN102818036A (en) * | 2012-09-03 | 2012-12-12 | 浙江高中压阀门有限公司 | Environment-friendly ammonia valve |
| CN203809724U (en) * | 2014-04-21 | 2014-09-03 | 天津诺威流体控制科技有限公司 | Multifunctional valve of new structure |
| CN203809717U (en) * | 2014-05-09 | 2014-09-03 | 吴俊明 | Valve |
| CN204716998U (en) * | 2015-06-09 | 2015-10-21 | 常州埃姆基冷冻设备有限公司 | Industrial refrigeration stop valve |
-
2015
- 2015-06-09 CN CN201510313668.6A patent/CN104896110A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0581034A1 (en) * | 1992-07-29 | 1994-02-02 | Fro Saldatura S.P.A. | Valve with axially mobile valving element, for gas cylinders and similar uses |
| CN1563751A (en) * | 2004-04-02 | 2005-01-12 | 许炎章 | Refrigerating valve |
| CN102818036A (en) * | 2012-09-03 | 2012-12-12 | 浙江高中压阀门有限公司 | Environment-friendly ammonia valve |
| CN203809724U (en) * | 2014-04-21 | 2014-09-03 | 天津诺威流体控制科技有限公司 | Multifunctional valve of new structure |
| CN203809717U (en) * | 2014-05-09 | 2014-09-03 | 吴俊明 | Valve |
| CN204716998U (en) * | 2015-06-09 | 2015-10-21 | 常州埃姆基冷冻设备有限公司 | Industrial refrigeration stop valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150909 |