CN106812965B - Flat gate valve capable of being quickly assembled, disassembled and overhauled on line - Google Patents
Flat gate valve capable of being quickly assembled, disassembled and overhauled on line Download PDFInfo
- Publication number
- CN106812965B CN106812965B CN201710180394.7A CN201710180394A CN106812965B CN 106812965 B CN106812965 B CN 106812965B CN 201710180394 A CN201710180394 A CN 201710180394A CN 106812965 B CN106812965 B CN 106812965B
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- Prior art keywords
- valve
- cover
- seat assembly
- disassembled
- plate
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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
- F16K3/0272—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 permitting easy assembly or disassembly
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
- Details Of Valves (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a flat gate valve capable of being quickly assembled, disassembled and overhauled on line, which comprises a valve body and a valve cover, wherein a valve seat assembly is arranged in a cavity of the valve body; the valve seat assembly comprises an O-shaped ring, a screwed plug, a limiting ring and a check ring, the check block is arranged on one side of the valve seat assembly, and the clamping plate is arranged on one side of the check block; the valve plate is arranged at the center of the valve cover, the valve rod is arranged at the upper end of the valve plate, and the valve rod protecting cover is arranged at the top of the valve cover; the hand wheel is installed in the lower part position of valve rod safety cover, and the support is installed in the lower part position of hand wheel. According to the flat gate valve capable of being assembled, disassembled and overhauled on line, when the valve plate is required to be assembled, the valve seat assembly can be pushed to move backwards for a certain distance only by detaching the plug and connecting a pressure source to the plug, so that the valve plate is convenient and rapid to assemble, the valve is not required to be disassembled from a pipeline as a whole, and the overhaul and maintenance are convenient.
Description
Technical Field
The invention relates to the technical field of flat gate valves, in particular to a flat gate valve capable of being quickly assembled, disassembled and overhauled on line.
Background
When the flat gate valve is used for a long time to cause abrasion of a sealing pair or the sealing of the valve is not tight due to other reasons, the valve is required to be detached integrally from a pipeline by the traditional flat gate valve, and the valve can be repaired after being disassembled in a maintenance workshop, so that the maintenance is inconvenient.
Disclosure of Invention
The invention aims to provide a flat gate valve capable of being quickly assembled, disassembled and overhauled on line, which is convenient to maintain so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the flat gate valve comprises a valve body and a valve cover, wherein the valve body is provided with a cavity, and a valve seat assembly is arranged in the cavity; the valve seat assembly comprises an O-shaped ring, a screwed plug, a limiting ring and a retainer ring, wherein the screwed plug is arranged on the inner wall of the valve body, the limiting ring is arranged on one side of the screwed plug, and the retainer ring is arranged on one side of the limiting ring; the valve body is further provided with a stop block and a clamping plate, the stop block is arranged on one side of the valve seat assembly, and the clamping plate is arranged on one side of the stop block; the valve cover is provided with a valve plate and a valve rod, the valve plate is arranged at the central position of the valve cover, and the valve rod is arranged at the upper end position of the valve plate; the valve cover is provided with a valve rod protecting cover, and the valve rod protecting cover is arranged at the top position of the valve cover; the valve cover is provided with a hand wheel, and the hand wheel is arranged at the lower part of the valve rod protecting cover; the valve cover is provided with a bracket, and the bracket is arranged at the lower part of the hand wheel.
As a further scheme of the invention: the valve body and the valve cover are fixed through connecting bolts.
As a further scheme of the invention: the valve seat component is movably arranged in the cavity of the valve body.
As a further scheme of the invention: the valve rod is arranged on the valve cover through a valve rod nut.
Compared with the prior art, the invention has the beneficial effects that: according to the flat gate valve capable of being assembled, disassembled and overhauled on line quickly, through the valve seat assembly, when the valve plate is required to be assembled, the valve seat assembly can be pushed to move backwards for a certain distance only by detaching the plug and connecting a pressure source to the plug, so that the valve plate is convenient and assembled quickly, the valve is not required to be disassembled from a pipeline integrally, and the overhaul and maintenance are convenient.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the shutter closed state of the present invention;
FIG. 3 is a schematic view showing a state in which a valve seat of the present invention is withdrawn from a shutter plate;
fig. 4 is an on-line disassembly schematic diagram of the flat gate valve of the present invention.
In the figure: 1-a valve body; 2-a valve cover; 3-a valve seat assembly; a 4-O-shaped ring; 5-plugging; 6-limiting rings; 7-a retainer ring; 8-a stop block; 9-clamping plates; 10-a valve plate; 11-valve stem; 12-a valve stem boot; 13-a hand wheel; 14-a bracket; 15-valve stem nut.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, in an embodiment of the present invention, a flat gate valve capable of being quickly assembled, disassembled and overhauled on line includes a valve body 1 and a valve cover 2, wherein the valve body 1 and the valve cover 2 are fixed by connecting bolts; the valve body 1 is provided with a cavity, a valve seat assembly 3 is arranged in the cavity, and the valve seat assembly 3 is movably arranged in the cavity of the valve body 1; the valve seat assembly 3 comprises an O-shaped ring 4, a screwed plug 5, a limiting ring 6 and a retainer ring 7, wherein the screwed plug 5 is arranged on the inner wall of the valve body 1, the limiting ring 6 is arranged on one side of the screwed plug 5, and the retainer ring 7 is arranged on one side of the limiting ring 6; the valve body 1 is also provided with a stop block 8 and a clamping plate 9, the stop block 8 is arranged on one side of the valve seat assembly 3, and the clamping plate 9 is arranged on one side of the stop block 8; the valve cover 2 is provided with a valve plate 10 and a valve rod 11, the valve plate 10 is arranged at the central position of the valve cover 2, the valve rod 11 is arranged at the upper end position of the valve plate 10, and the valve rod 11 is arranged on the valve cover 2 through a valve rod nut 15; the valve cover 2 is provided with a valve rod protecting cover 12, and the valve rod protecting cover 12 is arranged at the top position of the valve cover 2; the valve cover 2 is provided with a hand wheel 13, and the hand wheel 13 is arranged at the lower part of the valve rod protecting cover 12; the valve cover 2 is provided with a bracket 14, and the bracket 14 is arranged at the lower part of the hand wheel 13; the valve seat is pushed to move by introducing a pressure source such as compressed air or pressurized water, so that the purpose that the valve can be dismounted on line and overhauled and maintained is realized, the valve is completely opened, the connecting bolts of the valve body 1 and the valve cover 2 are removed, valve parts mounted on the valve cover 2 are integrally lifted by using a lifting tool, the hand wheel 13 of the operating mechanism can be rotated clockwise during lifting to enable the connecting part of the valve plate 10 and the valve rod 11 to move out of the arc-shaped shell of the valve cover 2, and the valve cover 2 is transferred to a clean and flat place for flat placement after completely lifting the cavity of the valve body 1, preferably supported by a soft cushion, so that damage to parts is avoided; sequence of removal of the valve seat assembly 3: the retainer ring 7 is removed, then the retainer ring 6 is removed, and finally the valve seat assembly 3 is removed.
To sum up: according to the flat gate valve capable of being assembled, disassembled and overhauled on line, the valve seat assembly 3 comprises the O-shaped ring 4, the plug 5, the limiting ring 6 and the retainer ring 7, when the valve plate 10 needs to be installed, the plug 5 is only required to be disassembled, and the valve seat assembly 3 can be pushed to move backwards for a certain distance by connecting a pressure source from the plug 5, so that the valve plate 10 is convenient and fast to install, the valve is not required to be disassembled from a pipeline as a whole, and the valve internals can be overhauled and maintained by removing the valve seat assembly 3 only by disassembling the connection between the valve body 1 and the valve cover 2.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (1)
1. The utility model provides a flat gate valve that can online quick assembly disassembly overhauld, includes valve body (1) and valve gap (2), its characterized in that: the valve body (1) is provided with a cavity, and a valve seat assembly (3) is arranged in the cavity; the valve seat assembly (3) comprises an O-shaped ring (4), a screwed plug (5), a limiting ring (6) and a retainer ring (7), wherein the screwed plug (5) is arranged on the inner wall of the valve body (1), the limiting ring (6) is arranged on one side of the screwed plug (5), and the retainer ring (7) is arranged on one side of the limiting ring (6); the valve body (1) is further provided with a stop block (8) and a clamping plate (9), the stop block (8) is arranged on one side of the valve seat assembly (3), and the clamping plate (9) is arranged on one side of the stop block (8); the valve cover (2) is provided with a valve plate (10) and a valve rod (11), the valve plate (10) is arranged at the central position of the valve cover (2), and the valve rod (11) is arranged at the upper end position of the valve plate (10); the valve cover (2) is provided with a valve rod protecting cover (12), and the valve rod protecting cover (12) is arranged at the top position of the valve cover (2); the valve cover (2) is provided with a hand wheel (13), and the hand wheel (13) is arranged at the lower part of the valve rod protecting cover (12); the valve cover (2) is provided with a support, the support (14) is arranged at the lower part of the hand wheel (13), the valve body (1) and the valve cover (2) are fixed through connecting bolts, the valve seat assembly (3) is movably arranged in a cavity of the valve body (1), and the valve rod (11) is arranged on the valve cover (2) through a valve rod nut (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710180394.7A CN106812965B (en) | 2017-03-24 | 2017-03-24 | Flat gate valve capable of being quickly assembled, disassembled and overhauled on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710180394.7A CN106812965B (en) | 2017-03-24 | 2017-03-24 | Flat gate valve capable of being quickly assembled, disassembled and overhauled on line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106812965A CN106812965A (en) | 2017-06-09 |
| CN106812965B true CN106812965B (en) | 2023-04-25 |
Family
ID=59115483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710180394.7A Active CN106812965B (en) | 2017-03-24 | 2017-03-24 | Flat gate valve capable of being quickly assembled, disassembled and overhauled on line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106812965B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916406B (en) * | 2018-07-12 | 2020-03-10 | 苏州纽威阀门股份有限公司 | Change structure of changing disk seat |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4389037A (en) * | 1975-08-18 | 1983-06-21 | Rockwell International Corporation | Double disc gate vale with replaceable spacer ring |
| CN202612687U (en) * | 2012-05-24 | 2012-12-19 | 凯喜姆阀门有限公司 | Flat gate valve |
| CN102777624B (en) * | 2012-08-17 | 2014-06-18 | 慎江阀门有限公司 | Mounted online maintenance ball valve |
| CN105864451B (en) * | 2016-06-12 | 2018-03-06 | 成都成高阀门有限公司 | Detachable valve seat sealing structure and the orbit ball valve including the sealing structure |
| CN205877255U (en) * | 2016-07-13 | 2017-01-11 | 浙江挺宇流体设备股份有限公司 | Top mounted ball valve that on -line maintenance can dismantle fast |
| CN206572000U (en) * | 2017-03-24 | 2017-10-20 | 慎江阀门有限公司 | A kind of flat gate valve of the online fast assembling-disassembling maintenance of energy |
-
2017
- 2017-03-24 CN CN201710180394.7A patent/CN106812965B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106812965A (en) | 2017-06-09 |
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