CN112096893A - Flat valve capable of adapting to installation of various connecting pipes - Google Patents
Flat valve capable of adapting to installation of various connecting pipes Download PDFInfo
- Publication number
- CN112096893A CN112096893A CN202011129169.9A CN202011129169A CN112096893A CN 112096893 A CN112096893 A CN 112096893A CN 202011129169 A CN202011129169 A CN 202011129169A CN 112096893 A CN112096893 A CN 112096893A
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- China
- Prior art keywords
- valve
- sealing
- cover
- seat
- connecting pipes
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- 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
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Classifications
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0218—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with only one sealing face
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/0227—Packings
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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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention discloses a flat valve capable of adapting to installation of various connecting pipes, which relates to the field of valves and comprises a valve body, wherein a valve cover is detachably installed on the valve body, a guide plate is fixedly installed in the valve body, a valve seat is in sliding fit on the guide plate, a valve plate is installed on the valve seat, an outer sealing ring and an inner sealing ring are installed on the valve seat, a valve rod rotatably installed in the valve cover is connected to the valve plate in a threaded mode, a valve rod adapter is fixedly connected to the upper end of the valve rod, and a hand wheel is fixedly connected to the upper end of the. The valve cover can be conveniently opened and closed, the valve can be well sealed through the arranged outer sealing ring and the inner sealing ring, and the sealing filler injection valve can be used for filling sealing grease into the sealing cavity for sealing, so that the sealing effect between the valve cover and the valve rod is good, leakage is avoided, the work of the valve is not influenced after filling, and the using effect is good.
Description
Technical Field
The invention relates to the field of valves, in particular to a flat valve capable of adapting to installation of various connecting pipes.
Background
A flat gate valve is a sliding valve whose closing member is a parallel gate plate. The closing member can be a single gate or a double gate with a spreader mechanism in between. The pressing force of the gate plate to the valve seat is controlled by the medium pressure acting on the floating gate plate or the floating valve seat. In the case of a double-gate plate gate valve, the pressing force can be supplemented by a spreading mechanism between the two gate plates. The plate gate valve may be classified into a manual plate gate valve, a pneumatic plate gate valve, and an electric plate gate valve according to a driving manner. The gate valve can be divided into a plate gate valve with a diversion hole, a plate gate valve without a diversion hole, an oil field plate gate valve, a pipeline plate gate valve, a gas plate gate valve and the like according to the application and the use occasion. However, the existing manual flat gate valve has poor sealing effect in the using process, is not light and flexible in rotation, has blocking phenomenon, is not good enough in using effect and not convenient enough in use, and needs to be improved for this reason.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a flat valve which can be suitable for mounting various connecting pipes.
In order to achieve the purpose, the invention adopts the following technical scheme:
a flat valve capable of adapting to installation of various connecting pipes comprises a valve body, wherein a valve cover is detachably installed on the valve body, a guide plate is fixedly installed in the valve body, a valve seat is arranged on the guide plate in a sliding fit mode, a valve plate is installed on the valve seat, an outer sealing ring and an inner sealing ring are installed on the valve seat, a valve rod rotatably installed in the valve cover is connected to the valve plate in a threaded mode, a valve rod adapter is fixedly connected to the upper end of the valve rod, a hand wheel is fixedly connected to the upper end of the valve rod adapter, a second O-shaped ring is installed between the valve rod adapter and a bearing seat, and a;
the packing gland is sleeved on the valve rod and located on the inner side of the bearing seat, a bearing is installed on the bearing seat, the upper end of the valve rod is rotatably connected with the bearing seat through the bearing, a sealing cavity is formed among the packing gland, the valve cover and the valve rod, sealing packing is filled in the sealing cavity, a sealing packing injection valve communicated with the sealing cavity is arranged on the valve cover, and connecting flanges are arranged at two ends of the valve body.
Preferably, a middle flange backing ring is arranged between the valve body and the valve cover, and the valve body and the valve cover are fixedly connected through bolts.
Preferably, the bearing seat is provided with a first O-shaped ring, and the bearing seat is provided with an oil cup.
Preferably, a nameplate is arranged on the valve cover, and a rivet is connected between the nameplate and the valve cover.
Preferably, a pin is arranged between the valve rod adapter and the valve rod, and the valve rod adapter are fixedly connected through the pin.
Preferably, the lower end of the packing gland is provided with an upper sealing seat sealed on the sealing packing.
According to the invention, the hand wheel can be rotated manually to rotate the valve rod adapter and further rotate the valve rod, so that the valve plate and the valve seat are driven to move up and down, the valve is opened and closed, the sealing can be well performed through the arranged outer sealing ring and the inner sealing ring, the sealing filler injection valve can be used for filling sealing grease into the sealing cavity for sealing, the sealing effect between the valve cover and the valve rod is good, the leakage is avoided, the work of the valve is not influenced after the filling, the using effect is good, after the whole valve is assembled, the hand wheel is convenient and flexible to rotate, the phenomenon of blocking is avoided, the use is flexible, and in addition, the flat valves with the connecting flanges of different models can be customized to adapt to the installation of various connecting pipes.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Reference numbers in the figures: the sealing structure comprises a valve body 1, a guide plate 2, a valve plate 3, a valve seat 4, an outer sealing ring 5, an inner sealing ring 6, a valve rod 7, a flange backing ring 8, a valve cover 9, a sealing filler injection valve 10, a sealing cavity 11, a packing gland 12, a bearing seat 13, a first O-shaped ring 14, a pin column 15, a bearing 16, an oil cup 17, a second O-shaped ring 18, a valve rod conversion joint 19, a hand wheel 20, a nameplate 21 and a rivet 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, a flat valve capable of adapting to installation of various connecting pipes comprises a valve body 1, wherein a valve cover 9 is detachably installed on the valve body 1, a guide plate 2 is fixedly installed in the valve body 1, a valve seat 4 is in sliding fit on the guide plate 2, a valve plate 3 is installed on the valve seat 4, an outer sealing ring 5 and an inner sealing ring 6 are installed on the valve seat 4, a valve rod 7 rotatably installed in the valve cover 9 is connected to the valve plate 3 in a threaded manner, a valve rod adapter 19 is fixedly connected to the upper end of the valve rod 7, a hand wheel 20 is fixedly connected to the upper end of the valve rod adapter 19, a second O-ring 18 is installed between the valve rod adapter 19 and a bearing seat 13;
the packing gland 12 is sleeved on the valve rod 7, the packing gland 12 is located on the inner side of the bearing seat 13, the bearing seat 13 is provided with a bearing 16, the upper end of the valve rod 7 is rotatably connected with the bearing seat 13 through the bearing 16, a sealing cavity 11 is arranged among the packing gland 12, the valve cover 9 and the valve rod 7, the sealing cavity 11 is filled with sealing packing, the valve cover 9 is provided with a sealing packing injection valve 10 communicated with the sealing cavity 11, and two ends of the valve body 1 are provided with connecting flanges.
In this embodiment, a middle flange backing ring 8 is arranged between the valve body 1 and the valve cover 9, the valve body 1 and the valve cover 9 are fixedly connected through a bolt, a first O-ring 14 is arranged on the bearing seat 13, an oil cup 17 is arranged on the bearing seat 13, a nameplate 21 is arranged on the valve cover 9, a rivet 22 is connected between the nameplate 21 and the valve cover 9, a pin 15 is arranged between the valve rod adapter 19 and the valve rod 7, the valve rod 7 and the valve rod adapter 19 are fixedly connected through the pin 15, and a sealing upper seat sealed on a sealing filler is arranged at the lower end of the packing gland 12.
The working principle is as follows: when the manual valve is practical, the hand wheel 20 is rotated manually to rotate the valve rod adapter 19 and further rotate the valve rod 7, so that the valve plate 3 and the valve seat 4 are driven to move up and down, the valve is opened and closed, the outer sealing ring 5 and the inner sealing ring 6 can be used for well sealing, 7903 sealing grease can be filled into the sealing cavity 11 through the arranged sealing filler injection valve 10 for sealing, the sealing effect between the valve cover 9 and the valve rod 7 is good, leakage is avoided, the work of the valve is not affected after filling, the using effect is good, after the whole valve is assembled, the hand wheel 20 is light and flexible to rotate, the blocking phenomenon is avoided, the use is flexible, and in addition, the flat valves with connecting flanges of different types can be used for being suitable for installation of various connecting pipes by customizing the flat valves with the connecting flanges of different types in the.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A flat valve capable of adapting to the installation of various connecting pipes comprises a valve body (1), a valve cover (9) is detachably installed on the valve body (1), it is characterized in that a guide plate (2) is fixedly arranged in the valve body (1), a valve seat (4) is matched on the guide plate (2) in a sliding way, a valve plate (3) is arranged on the valve seat (4), an outer sealing ring (5) and an inner sealing ring (6) are arranged on the valve seat (4), the valve plate (3) is connected with a valve rod (7) which is rotatably arranged in the valve cover (9) through screw threads, a valve rod adapter (19) is fixedly connected at the upper end of the valve rod (7), a hand wheel (20) is fixedly connected at the upper end of the valve rod adapter (19), a second O-shaped ring (18) is arranged between the valve rod adapter (19) and the bearing seat (13), a packing gland (12) and a bearing seat (13) are fixedly arranged on the valve cover (9);
the packing gland (12) is sleeved on the valve rod (7), the packing gland (12) is located on the inner side of the bearing seat (13), a bearing (16) is installed on the bearing seat (13), the upper end of the valve rod (7) is rotatably connected with the bearing seat (13) through the bearing (16), a sealing cavity (11) is arranged among the packing gland (12), the valve cover (9) and the valve rod (7), sealing packing is filled in the sealing cavity (11), a sealing packing injection valve (10) communicated with the sealing cavity (11) is arranged on the valve cover (9), and connecting flanges are arranged at two ends of the valve body (1).
2. A flat valve capable of adapting to installation of various connecting pipes as claimed in claim 1, wherein a central flange backing ring (8) is arranged between the valve body (1) and the valve cover (9), and the valve body (1) and the valve cover (9) are fixedly connected through bolts.
3. A flat valve adapted to accommodate the installation of a plurality of connecting pipes according to claim 1, wherein the bearing housing (13) is provided with a first O-ring (14) and the bearing housing (13) is provided with an oil cup (17).
4. A flat valve adapted to accommodate multiple connecting pipes according to claim 1, wherein the valve cover (9) is provided with a nameplate (21), and a rivet (22) is connected between the nameplate (21) and the valve cover (9).
5. A flat valve adapted to accommodate the installation of a plurality of connecting pipes according to claim 1, wherein a pin (15) is provided between the stem adapter (19) and the valve stem (7), and the valve stem (7) and the stem adapter (19) are fixedly connected by the pin (15).
6. A flat valve adapted to accommodate the installation of a plurality of connecting pipes according to claim 1, wherein the lower end of the packing gland (12) is provided with an upper sealing seat for sealing against the packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011129169.9A CN112096893A (en) | 2020-10-21 | 2020-10-21 | Flat valve capable of adapting to installation of various connecting pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011129169.9A CN112096893A (en) | 2020-10-21 | 2020-10-21 | Flat valve capable of adapting to installation of various connecting pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112096893A true CN112096893A (en) | 2020-12-18 |
Family
ID=73784712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011129169.9A Pending CN112096893A (en) | 2020-10-21 | 2020-10-21 | Flat valve capable of adapting to installation of various connecting pipes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112096893A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3013769A (en) * | 1961-03-15 | 1961-12-19 | Alexander S Volpin | Pressure sealed valve |
| US5704594A (en) * | 1995-04-11 | 1998-01-06 | Bw/Ip Internatinal, Inc. | Guided gate valve |
| CN200958618Y (en) * | 2006-09-22 | 2007-10-10 | 江苏金石油气井口科技有限公司 | Flat valve |
| CN104235403A (en) * | 2014-09-03 | 2014-12-24 | 洪泽东俊阀门有限公司 | High-pressure control valve |
| CN205244451U (en) * | 2015-11-20 | 2016-05-18 | 江苏天泰阀门有限公司 | High sealed dark pole wafer valve |
| CN206608563U (en) * | 2016-12-01 | 2017-11-03 | 洪泽东俊机械有限公司 | A kind of expansion type manual flat valve |
| CN207093807U (en) * | 2017-02-28 | 2018-03-13 | 盐城市煜洋石油机械有限公司 | A kind of novel manual flat gate valve |
-
2020
- 2020-10-21 CN CN202011129169.9A patent/CN112096893A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3013769A (en) * | 1961-03-15 | 1961-12-19 | Alexander S Volpin | Pressure sealed valve |
| US5704594A (en) * | 1995-04-11 | 1998-01-06 | Bw/Ip Internatinal, Inc. | Guided gate valve |
| CN200958618Y (en) * | 2006-09-22 | 2007-10-10 | 江苏金石油气井口科技有限公司 | Flat valve |
| CN104235403A (en) * | 2014-09-03 | 2014-12-24 | 洪泽东俊阀门有限公司 | High-pressure control valve |
| CN205244451U (en) * | 2015-11-20 | 2016-05-18 | 江苏天泰阀门有限公司 | High sealed dark pole wafer valve |
| CN206608563U (en) * | 2016-12-01 | 2017-11-03 | 洪泽东俊机械有限公司 | A kind of expansion type manual flat valve |
| CN207093807U (en) * | 2017-02-28 | 2018-03-13 | 盐城市煜洋石油机械有限公司 | A kind of novel manual flat gate valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201218 |