CN106321858A - Valve sealing structure - Google Patents
Valve sealing structure Download PDFInfo
- Publication number
- CN106321858A CN106321858A CN201510349255.3A CN201510349255A CN106321858A CN 106321858 A CN106321858 A CN 106321858A CN 201510349255 A CN201510349255 A CN 201510349255A CN 106321858 A CN106321858 A CN 106321858A
- Authority
- CN
- China
- Prior art keywords
- valve
- fixed
- valve rod
- sealing structure
- rod
- 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.)
- Withdrawn
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
-
- 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
-
- 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
- F16K1/46—Attachment of sealing rings
-
- 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
- F16K1/487—Attaching valve members to screw-spindles by a fixing element extending in the axial direction of the spindle, e.g. a screw
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
-
- 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
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- 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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like
- F16K31/1262—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like one side of the diaphragm being spring loaded
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention discloses a valve sealing structure. The valve sealing structure comprises a valve body, a valve cover, a valve rod and a valve part; the valve cover is tightly fixed above the valve body; the valve body includes a water inlet channel and a water outlet channel; a valve base is arranged between the water inlet channel and the water outlet channel; a valve port communicated with the water inlet channel and the water outlet channel is formed in the valve base; the valve rod is mounted in a space surrounded by the valve cover and the valve body in a up-down moving manner through an automatic water pressure control device; the valve part is fixed at the bottom end of the valve rod, and is shielded above the valve port through the valve rod in an openable manner; the automatic water pressure control device includes a film fixedly sleeved on the valve rod; the peripheral edge of the film is fixed between the valve body and the valve cover; the top end edge of the valve port is upwards projected with an annular projection part; the bottom surface of the valve part is recessed with an annular groove corresponding to the projection part; and a sealing pad is fixed in the groove. Through matching between the projection part and the sealing pad, the valve sealing structure can realize an excellent sealing effect.
Description
Technical field
The application relates to a kind of valve.
Background technology
Valve is mainly used in domestic water, fire-fighting system and industrial water system.
Valving of the prior art is due to the restriction of structure, it is difficult to control the pressure of outlet, and high
Equipment is easily damaged by setting-out fluid capacitance.
Traditional valve, there is also valve rod easily rock, the technical problem such as flap poor sealing performance.
Summary of the invention
It is an object of the invention to provide a kind of valve sealing structure, to overcome deficiency of the prior art.
For achieving the above object, the present invention provides following technical scheme:
The open a kind of valve sealing structure of the embodiment of the present application, including valve body, valve gap, valve rod and flap,
The top of valve body is fixed in described valve bonnet seal, and described valve body includes intake tunnel and exhalant canal, described
Being provided with valve seat between intake tunnel and exhalant canal, described valve seat is provided with a connection intake tunnel and goes out
The valve port of aquaporin, described valve rod by automatic water pressure control device to be contained in valve gap by the way of moving up and down
In the space surrounded with valve body, described flap is fixed on the bottom of valve rod and is hidden opening or closing by valve rod
In the top of valve port, described automatic water pressure control device includes the sheathed diaphragm being fixed on described valve rod,
The edge of described diaphragm is fixed between valve body and valve gap, and the tip edge of described valve port upwards protrudes out
Having the lobe of annular, the bottom surface of described flap is formed with annular groove corresponding to described lobe is recessed,
It is fixed with sealing gasket in this groove.
Preferably, in above-mentioned valve sealing structure, the top of described valve gap offers one along vertically side
To the slideway extended, the top of described valve rod slides in described slideway, between described valve gap and top board
Being additionally provided with spring, the outside of described valve rod is located at by described spring housing.
Preferably, in above-mentioned valve sealing structure, described diaphragm be respectively arranged at two ends with pressure up and down
Plate and lower platen, described top board and lower platen are sheathed to be fixed on described valve rod.
Preferably, in above-mentioned valve sealing structure, between described flap and valve rod, it is fixed with nut.
Compared with prior art, it is an advantage of the current invention that: in the present invention, by lobe and sealing gasket
Cooperation, it is possible to achieve good sealing function.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments described in the application, for those of ordinary skill in the art
From the point of view of, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 show the structural representation of valve in the specific embodiment of the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Detailed description, it is clear that described embodiment is only a part of embodiment of the present invention rather than complete
The embodiment in portion.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work on the premise of the every other embodiment that obtained, broadly fall into the scope of protection of the invention.
Shown in ginseng Fig. 1, valve includes valve body 1, valve gap 2, valve rod 3 and flap 4, and valve gap 2 seals solid
Due to the top of valve body 1, valve body 1 includes intake tunnel 101 and exhalant canal 102, intake tunnel 101
And between exhalant canal 102, it being provided with valve seat 103, valve seat 103 is provided with connection intake tunnel 101 He
The valve port 104 of exhalant canal 102, valve rod 3 by automatic water pressure control device to fill by the way of moving up and down
In the space that valve gap 2 and valve body 1 surround, flap 4 is fixed on the bottom of valve rod 3 and by valve rod 3
Hide opening or closing in the top of valve port 104.Automatic water pressure control device includes sheathed being fixed on described valve
Diaphragm 5 on bar 3, the edge of diaphragm 5 is fixed between valve body 1 and valve gap 2.
Diaphragm 5 be respectively arranged at two ends with top board 501 and lower platen 502 up and down, top board 501 and under press
Plate 502 is sheathed to be fixed on described valve rod 3.
The top of valve gap 2 offers a slideway 201 vertically extended, and the top of described valve rod 3 is sliding
Moving in described slideway 201, be additionally provided with spring 6 between valve gap 2 and top board 501, institute is located at by spring housing
State the outside of valve rod 3.
In this technical scheme, owing to the top of valve rod 3 moves up and down under the restriction of slideway 201, because of
This valve rod 3 is not susceptible to rock.
The tip edge of valve port 104 upwards protrudes out the lobe 1041 of annular, and the bottom surface of flap 4 is corresponding
In the recessed groove being formed with annular of described lobe 1041, in this groove, it is fixed with sealing gasket 401.
In this technical scheme, by lobe 1041 and the cooperation of sealing gasket 401, it is possible to achieve good
Sealing function.
Surrounding a main valve control room 202 between diaphragm 5 and valve gap 2, valve gap 2 is provided with and main valve control room
The water inlet of 202 connections and outlet, be provided with needle-valve 7 and a ball between water inlet and intake tunnel 101
Valve 8, outlet is connected to pond 10 by a ball valve 9.Intake tunnel 101 and exhalant canal 102 it
Between be additionally provided with relief valve 11 and a ball valve 12.
Further, ball valve 8 is provided with Pressure gauge.
Further, nut 13 it is fixed with between flap 4 and valve rod 3.
It should be noted that in this article, the relational terms of such as first and second or the like is used merely to
One entity or operation are separated with another entity or operating space, and not necessarily requires or imply
Relation or the order of any this reality is there is between these entities or operation.And, term " includes ",
" comprise " or its any other variant is intended to comprising of nonexcludability, so that include that one is
The process of row key element, method, article or equipment not only include those key elements, but also include the brightest
Other key elements really listed, or also include intrinsic for this process, method, article or equipment
Key element.In the case of there is no more restriction, statement " including ... " key element limited,
It is not precluded from there is also in including the process of described key element, method, article or equipment other identical
Key element.
The above is only the detailed description of the invention of the application, it is noted that general for the art
For logical technical staff, on the premise of without departing from the application principle, it is also possible to make some improvement and profit
Decorations, these improvements and modifications also should be regarded as the protection domain of the application.
Claims (4)
1. a valve sealing structure, it is characterised in that include valve body, valve gap, valve rod and flap, institute
Stating valve bonnet seal and be fixed on the top of valve body, described valve body includes intake tunnel and exhalant canal, described in enter
Being provided with valve seat between aquaporin and exhalant canal, described valve seat is provided with a connection intake tunnel and water outlet
The valve port of passage, described valve rod by automatic water pressure control device be contained in by the way of moving up and down valve gap and
In the space that valve body surrounds, described flap be fixed on valve rod bottom and by valve rod hide opening or closing in
The top of valve port, described automatic water pressure control device includes the sheathed diaphragm being fixed on described valve rod, institute
The edge stating diaphragm is fixed between valve body and valve gap, and the tip edge of described valve port has upwards protruded out
The lobe of annular, the bottom surface of described flap is formed with annular groove corresponding to described lobe is recessed,
It is fixed with sealing gasket in this groove.
Valve sealing structure the most according to claim 1, it is characterised in that: the top of described valve gap
Offering a slideway vertically extended, the top of described valve rod slides in described slideway, described
Being additionally provided with spring between valve gap and top board, the outside of described valve rod is located at by described spring housing.
Valve sealing structure the most according to claim 1, it is characterised in that: described diaphragm upper and lower
It is respectively arranged at two ends with that top board and lower platen, described top board and lower platen are sheathed to be fixed on described valve rod.
Valve sealing structure the most according to claim 1, it is characterised in that: described flap and valve rod
Between be fixed with nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510349255.3A CN106321858A (en) | 2015-06-23 | 2015-06-23 | Valve sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510349255.3A CN106321858A (en) | 2015-06-23 | 2015-06-23 | Valve sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106321858A true CN106321858A (en) | 2017-01-11 |
Family
ID=57728686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510349255.3A Withdrawn CN106321858A (en) | 2015-06-23 | 2015-06-23 | Valve sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106321858A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561359A (en) * | 2018-04-25 | 2018-09-21 | 王英 | Flow valve |
-
2015
- 2015-06-23 CN CN201510349255.3A patent/CN106321858A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561359A (en) * | 2018-04-25 | 2018-09-21 | 王英 | Flow valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170111 |