CN105402460A - Soft seal trench sluice valve and installation method - Google Patents
Soft seal trench sluice valve and installation method Download PDFInfo
- Publication number
- CN105402460A CN105402460A CN201510940658.5A CN201510940658A CN105402460A CN 105402460 A CN105402460 A CN 105402460A CN 201510940658 A CN201510940658 A CN 201510940658A CN 105402460 A CN105402460 A CN 105402460A
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- CN
- China
- Prior art keywords
- ring
- valve body
- differential
- soft seal
- shaped
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/047—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with wedge-shaped obturating members
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention relates to a soft seal trench sluice valve. The soft seal trench sluice valve comprises a valve body and press flanges. The left end and the right end of the valve body are coaxially provided with the press flanges respectively. The press flanges are connected with the valve body together through screws. The portions, on the inner sides of the press flanges, in the valve body are sequentially provided with sealing rings, press rings and C-shaped tightening rings from inside to outside in a pressed manner. One side of each C-shaped tightening ring is provided with an opening. The contact faces of the C-shaped tightening rings and the press flanges are conic faces. According to the soft seal trench sluice valve, the press flanges and the C-shaped tightening rings are connected through the conic faces; by the adoption of the connection manner, the structure is simple, and installation is convenient; more importantly, the axial pressure of the press flanges is converted into radial tightening force of the C-shaped tightening rings, and the larger the axial force is, the larger the converted radial force is; and the C-shaped tightening rings hold a pipeline firmly. According to the soft seal trench sluice valve, multiple annular protruding edges are formed on the inner edges and the outer edges of the sealing rings and are opposite to the flow direction of a medium in the pipeline, and the more medium flows, the higher the airtightness between the pipeline and the valve body is.
Description
Technical field
The invention belongs to valve field, relate to gate valve, especially a kind of soft seal groove gate valve.
Background technique
Valve is widely used in the plumbing of pipe conveying fluid, the pipework such as fire-fighting, air-conditioning, combustion gas, oil, chemical industry, water treatment, municipal administration, shipbuilding, as control fluid matasomatism, have cut-off, adjustment, water conservancy diversion, prevent the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.
In the installation process of gate valve, traditional gate valve Placement has: flange, internal and external threads, SOCKET WELDING, clip etc.
Above-mentioned mounting type Problems existing is: 1, install, detachable maintaining cost is high, waste time and energy.2, installation procedure is many, operating procedure relative complex, and the fault rate of operation is high.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of easy for installation, detachable maintaining to change simple and fast, improve the soft seal groove gate valve of sealability.
The solution of the present invention is achieved in that
A kind of soft seal groove gate valve, comprise valve body and differential, differential is coaxially installed in the left and right two end part of described valve body, and this differential is linked together by screw and valve body, compresses from inside to outside successively and be provided with seal ring, trim ring and C type lock ring ring in the valve body of described differential inboard;
Described C type lock ring ring side is shaped with opening, and the face that this C type lock ring ring contacts with differential is conical surface.
And the inner circle of described C type lock ring ring is shaped with uniform intervals and is shaped with multiple annular groove.
And the outer rim one uniform intervals of described seal ring is shaped with multiple outer ring fin, and this annular ridge tilts to valve body inboard, the inner circle same one uniform intervals of sealing circle is shaped with multiple interior annular ridge, and this interior annular ridge tilts to valve body inboard equally.
And the inboard end face of described seal ring is the conical surface.
An installation method for soft seal groove gate valve, step is as follows:
Step one, by differential, C type lock ring ring, trim ring, seal ring, be sleeved on the end of connecting tube successively;
Step 2, then the pipe end being provided with above-mentioned Sealing is arranged in valve body;
Step 3, by screw, differential and valve body to be linked together, pipeline and valve body press seal the most at last.
Advantage of the present invention and good effect are:
1, the differential of this gate valve and C type lock ring ring adopt conical surface Placement, this kind of Placement structure be simple, be convenient to install, the most important thing is the enclasping force pressure of differential axis being converted into C type lock ring ring radial direction, the radial force of the larger conversion of axial force is also larger, is held tightly firmly by pipeline by C type lock ring ring.Because be that axial direction is advanced, cause the insecure problem of installation quality so do not exist because of loosening of setting tool.
2, the inside and outside edge of the seal ring of this gate valve is all shaped with multiple annular ridge, and this annular ridge is contrary with the flow direction of pipeline medium, has medium to flow into the sealing improved between pipeline and valve body.
3, simple, the design science of structure of the present invention rationally, be skillfully constructed, make simple, sealing is strong, install simple, quick, and do not need special tool, effectively improve working efficiency, save manpower, there is the value of wide popularization and application.
Accompanying drawing explanation
Fig. 1 is explosive view of the present invention;
Fig. 2 is the plan view of C type lock ring ring in Fig. 1;
Fig. 3 is that the A-A of Fig. 2 is to sectional view;
Fig. 4 is the sectional view of seal ring in Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, also by specific embodiment, the invention will be further described.
A kind of soft seal groove gate valve, comprise valve body 1 and differential 5, differential is coaxially installed in the left and right two end part of described valve body, and this differential is linked together by screw 6 and valve body.
Innovative point of the present invention is:
Compress from inside to outside successively in the valve body of 1, described differential inboard and seal ring 2, trim ring 3 and C type lock ring ring 4 are installed.As shown in Figure 2 and Figure 3, this C type lock ring ring side is shaped with opening 4A to the structure of described C type lock ring ring, and the face that this C type lock ring ring contacts with differential is conical surface 4B.C type lock ring ring is connected with adopting the conical surface between differential, and C type lock ring ring side is shaped with opening, and the axial force that this structure makes differential add to pressure C type lock ring ring is converted to the radial force of holding tightly between hoop and pipeline, holds hoop the most at last tightly and holds sealing tightly with pipeline.In order to improve sealability, the inner circle of this C type lock ring ring and tube contacts is shaped with uniform intervals and is shaped with multiple annular groove 4C, and the annular groove in the present embodiment accompanying drawing is three.
2, the structure of described seal ring as shown in Figure 4, the outer rim one uniform intervals of sealing circle is shaped with multiple outer ring fin 2B, this annular ridge tilts to valve body inboard, the inner circle same one uniform intervals of sealing circle is shaped with multiple interior annular ridge 2C, this interior annular ridge tilts to valve body inboard equally, and the inboard end face of described seal ring is conical surface 2A.By the inside and outside annular ridge of seal ring can with pipeline (not shown) outer wall pinch seal, and the flow direction of pipeline internal medium is contrary with the true dip direction of inside and outside annular ridge, increase the area of contact between pipeline and seal ring, improve sealability.
Installation method of the present invention is:
Step one, by differential, C type lock ring ring, trim ring, seal ring, hold the end that hoop is sleeved on pipeline successively tightly;
Step 2, then the pipe end being provided with above-mentioned Sealing is arranged in valve body;
Step 3, by screw, differential and valve body to be linked together, pipeline and valve body press seal the most at last.
Advantageous effect of the present invention is:
1, the differential of this gate valve and C type lock ring ring adopt conical surface Placement, this kind of Placement structure be simple, be convenient to install, the most important thing is the pressure of differential axis to be converted into and hold the radial enclasping force of hoop tightly, the radial force of the larger conversion of axial force is also larger, is held tightly firmly by pipeline by holding hoop tightly.
2, the inside and outside edge of the seal ring of this gate valve is all shaped with multiple annular ridge, and this annular ridge is contrary with the flow direction of pipeline medium, has medium to flow into the sealing improved between pipeline and valve body.
3, simple, the design science of structure of the present invention rationally, be skillfully constructed, make simple, sealing is strong, install simple, quick, and do not need special tool, effectively improve working efficiency, save manpower, there is the value of wide popularization and application.
It is emphasized that; embodiment of the present invention is illustrative; instead of it is determinate; therefore the present invention includes the embodiment be not limited to described in embodiment; every other mode of executions drawn by those skilled in the art's technological scheme according to the present invention, belong to the scope of protection of the invention equally.
Claims (5)
1. a soft seal groove gate valve, comprise valve body and differential, differential is coaxially installed in the left and right two end part of described valve body, this differential is linked together by screw and valve body, it is characterized in that: compress from inside to outside successively in the valve body of described differential inboard and be provided with seal ring, trim ring and C type lock ring ring;
Described C type lock ring ring side is shaped with opening, and the face that this C type lock ring ring contacts with differential is conical surface.
2. soft seal groove gate valve according to claim 1, is characterized in that: the inner circle of described C type lock ring ring is shaped with uniform intervals and is shaped with multiple annular groove.
3. soft seal groove gate valve according to claim 1, it is characterized in that: the outer rim one uniform intervals of described seal ring is shaped with multiple outer ring fin, this annular ridge tilts to valve body inboard, the inner circle same one uniform intervals of sealing circle is shaped with multiple interior annular ridge, and this interior annular ridge tilts to valve body inboard equally.
4. soft seal groove gate valve according to claim 3, is characterized in that: the inboard end face of described seal ring is the conical surface.
5. an installation method for the soft seal groove gate valve as described in any one of Claims 1-4, is characterized in that: step is as follows:
Step one, differential, C type lock ring ring, trim ring, seal ring are sleeved on successively the end of pipeline;
Step 2, then the pipe end being provided with above-mentioned Sealing is arranged in valve body;
Step 3, by screw, differential and valve body to be linked together, pipeline and valve body press seal the most at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510940658.5A CN105402460A (en) | 2015-12-14 | 2015-12-14 | Soft seal trench sluice valve and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510940658.5A CN105402460A (en) | 2015-12-14 | 2015-12-14 | Soft seal trench sluice valve and installation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105402460A true CN105402460A (en) | 2016-03-16 |
Family
ID=55468124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510940658.5A Pending CN105402460A (en) | 2015-12-14 | 2015-12-14 | Soft seal trench sluice valve and installation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105402460A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805454A (en) * | 2016-04-14 | 2016-07-27 | 上海逸通科技股份有限公司 | Novel flange type pipe connecting device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0611082A (en) * | 1992-06-25 | 1994-01-21 | Nippon Pillar Packing Co Ltd | Flange joint construction |
| CN201335191Y (en) * | 2008-11-27 | 2009-10-28 | 武汉大禹阀门制造有限公司 | Socket-joint flexible-seat gate valve provided with wedge-shaped fastening pipe sleeve |
| CN101949457A (en) * | 2010-11-01 | 2011-01-19 | 安徽红星阀门有限公司 | Telescopic gate valve with soft seal and threaded connection |
| CN201851693U (en) * | 2010-11-01 | 2011-06-01 | 安徽红星阀门有限公司 | Flexible-seal female-thread-union gate valve |
| CN102808981A (en) * | 2011-06-03 | 2012-12-05 | 江苏竹箦阀业有限公司 | Rapid-to-install gate valve for pipeline |
| CN203926861U (en) * | 2014-06-24 | 2014-11-05 | 陈春景 | Multi-level soft sealing gate valve |
| CN205331550U (en) * | 2015-12-14 | 2016-06-22 | 天津市弘一阀门有限公司 | Soft seal slot gate valve |
-
2015
- 2015-12-14 CN CN201510940658.5A patent/CN105402460A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0611082A (en) * | 1992-06-25 | 1994-01-21 | Nippon Pillar Packing Co Ltd | Flange joint construction |
| CN201335191Y (en) * | 2008-11-27 | 2009-10-28 | 武汉大禹阀门制造有限公司 | Socket-joint flexible-seat gate valve provided with wedge-shaped fastening pipe sleeve |
| CN101949457A (en) * | 2010-11-01 | 2011-01-19 | 安徽红星阀门有限公司 | Telescopic gate valve with soft seal and threaded connection |
| CN201851693U (en) * | 2010-11-01 | 2011-06-01 | 安徽红星阀门有限公司 | Flexible-seal female-thread-union gate valve |
| CN102808981A (en) * | 2011-06-03 | 2012-12-05 | 江苏竹箦阀业有限公司 | Rapid-to-install gate valve for pipeline |
| CN203926861U (en) * | 2014-06-24 | 2014-11-05 | 陈春景 | Multi-level soft sealing gate valve |
| CN205331550U (en) * | 2015-12-14 | 2016-06-22 | 天津市弘一阀门有限公司 | Soft seal slot gate valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805454A (en) * | 2016-04-14 | 2016-07-27 | 上海逸通科技股份有限公司 | Novel flange type pipe connecting device |
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| PB01 | Publication | ||
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Application publication date: 20160316 |