CN109139939A - A kind of valve seat self-regulated section structure of flat gate valve - Google Patents
A kind of valve seat self-regulated section structure of flat gate valve Download PDFInfo
- Publication number
- CN109139939A CN109139939A CN201811327178.1A CN201811327178A CN109139939A CN 109139939 A CN109139939 A CN 109139939A CN 201811327178 A CN201811327178 A CN 201811327178A CN 109139939 A CN109139939 A CN 109139939A
- Authority
- CN
- China
- Prior art keywords
- rectangular
- fixedly connected
- side wall
- rectangular channel
- valve seat
- 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
- F16K1/32—Details
-
- 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
- F16K1/465—Attachment of sealing rings to the valve seats
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention discloses a kind of valve seat self-regulated section structures of flat gate valve, including valve body, valve seat and valve plate, the side wall of valve seat offers rectangular channel, the inside of rectangular channel is equipped with rectangular seal, the side for being internally located at rectangular channel of valve seat is equipped with cavity, the inner vertical of cavity is equipped with movable plate, movable plate is fixedly connected with brake bar close to a middle side part of rectangular channel, brake bar runs through the side wall of cavity far from one end of movable plate and extends to the inside of rectangular channel and be fixedly connected with crushing block, the side wall of cavity is symmetrically opened up centered on rectangular channel there are two groove, the position corresponding position of the side wall of movable plate and two grooves is fixedly connected to mobile bar, two mobile bars extend respectively to the inside of two grooves far from one end of movable plate and are fixedly connected to circular cone.The phenomenon that cavity that the present invention can be avoided in rectangular seal placing groove is not discharged improves the air-tightness between rectangular seal and valve seat.
Description
Technical field
The present invention relates to the valve seat self-regulated section structures of valve technology field more particularly to a kind of flat gate valve.
Background technique
Currently, the sealing structure of most flat gate valves is the rectangular seal for studding with one of RPTFE on valve seat, pass through square
Shape sealing ring is formed with flashboard and is sealed, and when inlaying sealing ring, is all by cooperation, with press machine by sealing ring indentation valve seat
In seal groove, this method, after often will appear sealing ring indentation, the air in slot is not discharged or sealing ring presses inclined feelings
Condition leaks between sealing ring and valve seat so as to cause valve when low pressure operating condition is closed.
Summary of the invention
After will appear sealing ring indentation the purpose of the present invention is to solve the sealing structure of flat gate valve in the prior art,
The case where air in slot is not discharged occurs between sealing ring and valve seat so as to cause valve when low pressure operating condition is closed
The problem of leakage, and a kind of valve seat self-regulated section structure of the flat gate valve proposed.
To achieve the goals above, present invention employs following technical solutions:
A kind of valve seat self-regulated section structure of flat gate valve, including valve body, valve seat and valve plate, the side wall of the valve seat offer
Rectangular channel, the inside of the rectangular channel are equipped with rectangular seal, and the side for being internally located at rectangular channel of the valve seat is equipped with cavity,
The inner vertical of the cavity is equipped with movable plate, and the movable plate is fixedly connected with brake bar close to a middle side part of rectangular channel,
The brake bar runs through the side wall of cavity far from one end of movable plate and extends to the inside of rectangular channel and be fixedly connected with extruding
Block, the side wall of the cavity are symmetrically opened up centered on rectangular channel there are two groove, described in the side wall of the movable plate and two
The position corresponding position of groove is fixedly connected to mobile bar, and two mobile bars extend respectively to two far from one end of movable plate
The inside of a groove is simultaneously fixedly connected to circular cone, and the movable plate is close to the side of rectangular channel with brake bar center pair
Title is fixedly connected there are two extension spring, and the other end of two extension springs is fixedly connected with the side wall of cavity, two institutes
It states the opposite side of groove and offers rectangular opening, two rectangular openings with the position corresponding position of two circular cones respectively
Internal slide be connected with rectangular seal block, be slidably connected between the side and circular cone of the rectangular seal block, the rectangle
The other side of sealing block extends to the inside of rectangular channel, the side wall of the rectangular seal and the position corresponding position of rectangular seal block
Offer seal groove.
Preferably, the side wall of the circular cone offers strip groove, and the internal slide of the strip groove is connected with sliding block, institute
The inside for stating strip groove is fixedly connected with slide bar along its length, and the side wall of the sliding block passes through the bar of the first slide opening and slide bar
Wall is slidably connected, and the side wall of the sliding block is fixedly connected with first connecting rod, and the side wall of the rectangular seal block is fixedly connected with
Second connecting rod, the first connecting rod and the opposite one end of the second connecting rod pass through pivot pin and are rotatablely connected.
Preferably, it is arcwall face that the rectangular seal block, which is located at the side inside rectangular channel,.
Preferably, the inside of two grooves is fixedly connected with fixed plate, the side wall of two fixed plates vertically
Bar wall by the second slide opening respectively with two mobile bars is slidably connected.
Preferably, the side that the rectangular seal is located in rectangular channel is fixedly connected with baffle.
Preferably, side of the rectangular channel far from opening be symmetrically fixedly connected centered on crushing block there are two annular
Elastic ring.
Compared with prior art, the present invention provides a kind of valve seat self-regulated section structure of flat gate valve, have following
The utility model has the advantages that
1, the valve seat self-regulated section structure of the flat gate valve, by the rectangular seal being arranged in rectangular channel, due to rectangle
There is gap between sealing ring and rectangular channel, therefore the gas in rectangular channel can be automatically drained out, when rectangular seal is moved to square
When the inside of shape slot, crushing block can be pushed mobile, so that crushing block drives movable plate mobile by brake bar, movable plate passes through
Two mobile bars drive two circular cones mobile simultaneously, so that two movable blocks squeeze two rectangular seal blocks simultaneously and make two
A rectangular seal block is matched with two seal grooves respectively, so as to there is gap closure between rectangular seal and rectangular channel
Firmly.
2, the valve seat self-regulated section structure of the flat gate valve, by the extension spring being arranged between movable plate and cavity, when
When rectangular seal is removed from the inside of rectangular channel, extension spring can apply a power back to movable plate, so that
Crushing block automatically returns to initial position, is placed again into convenient for rectangular seal to automatic plugging gap in rectangular channel.
It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the present invention can
The phenomenon that avoiding the cavity in rectangular seal placing groove from not being discharged improves airtight between rectangular seal and valve seat
Property.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the valve seat self-regulated section structure of flat gate valve proposed by the present invention；
Fig. 2 is the schematic enlarged-scale view of local part A in Fig. 1；
Fig. 3 is the schematic enlarged-scale view of local part B in Fig. 2.
In figure: 1 brake bar, 2 valve seats, 3 valve plates, 4 rectangular seals, 5 movable plates, 6 brake bars, 7 crushing blocks, 8 mobile bars,
9 circular cones, 10 extension springs, 11 rectangular seal blocks, 12 rectangular seal blocks, 13 slide bars, 14 fixed plates, 15 annular resilient collars.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", "left", "right", "top",
The orientation or positional relationship of the instructions such as "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, merely to just
In description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
Referring to Fig.1-3, the valve seat self-regulated section structure of a kind of flat gate valve, including valve body 1, valve seat 2 and valve plate 3, valve seat 2
Side wall offers rectangular channel, and the inside of rectangular channel is equipped with rectangular seal 4, and it is solid that rectangular seal 4 is located at the side in rectangular channel
Surely it is connected with baffle, baffle is abutted with crushing block 7, and side of the rectangular channel far from opening is symmetrical centered on crushing block 7
Annular resilient collar 15 there are two being fixedly connected, can increase the air-tightness between 4 side wall of rectangular seal and rectangle groove sidewall, valve
The side for being internally located at rectangular channel of seat 2 is equipped with cavity, and the inner vertical of cavity is equipped with movable plate 5, and movable plate 5 is close to rectangular channel
A middle side part be fixedly connected with brake bar 6, the one end of brake bar 6 far from movable plate 5 through cavity side wall and extend to square
The inside of shape slot is simultaneously fixedly connected with crushing block 7, and the side wall of cavity is symmetrically opened up centered on rectangular channel there are two groove, mobile
The position corresponding position of the side wall of plate 5 and two grooves is fixedly connected to mobile bar 8, two mobile bars 8 far from movable plate 5 one
End extends respectively to the inside of two grooves and is fixedly connected to circular cone 9, and the inside of two grooves is fixedly connected vertically
There is fixed plate 14, the side wall of two fixed plates 14 passes through bar wall of second slide opening respectively with two mobile bars 8 and is slidably connected, energy
Enough positions mobile to mobile bar 8 limit, and movable plate 5 connects close to the side of rectangular channel with 6 central symmetry of brake bar is fixed
It connects there are two extension spring 10, the other end of two extension springs 10 is fixedly connected with the side wall of cavity, and two grooves are opposite
Side offers rectangular opening with the position corresponding position of two circular cones 9 respectively, and the internal slide of two rectangular openings is connected with square
Shape sealing block 11 is slidably connected between the side and circular cone 9 of rectangular seal block 11, and the side wall of circular cone 9 offers strip groove,
The internal slide of strip groove is connected with sliding block 12, and the inside of strip groove is fixedly connected with slide bar 13, sliding block 12 along its length
Side wall be slidably connected by the bar wall of the first slide opening and slide bar 13, the side wall of sliding block 12 is fixedly connected with first connecting rod, square
The side wall of shape sealing block 11 is fixedly connected with the second connecting rod, and first connecting rod and the opposite one end of the second connecting rod pass through pivot pin
Rotation connection, the other side of rectangular seal block 11 extend to the inside of rectangular channel, the side wall and rectangular seal block of rectangular seal 4
11 position corresponding position offers seal groove, and it is arcwall face that rectangular seal block 11, which is located at the side inside rectangular channel,.
In the present invention, in use, the gas due to there is gap between rectangular seal 4 and rectangular channel, in rectangular channel
It can be automatically drained out, when rectangular seal 4 is moved to the inside of rectangular channel, crushing block 7 can be pushed mobile, so that crushing block
7 drive movable plate 5 mobile by brake bar 6, and movable plate 5 drives two circular cones 9 mobile simultaneously by two mobile bars 8, make
Two movable blocks 9 squeeze two rectangular seal blocks 11 simultaneously and make two rectangular seal blocks 11 respectively with two seal groove phases
Cooperation, so as to there is gap to block between rectangular seal 4 and rectangular channel, when rectangular seal 4 is out of rectangular channel
When portion removes, extension spring 10 can apply a power back to movable plate 5, so that crushing block 7 automatically returns to just
The position of beginning is placed again into convenient for rectangular seal 4 to automatic plugging gap in rectangular channel.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of valve seat self-regulated section structure of flat gate valve, including valve body (1), valve seat (2) and valve plate (3), which is characterized in that institute
The side wall for stating valve seat (2) offers rectangular channel, and the inside of the rectangular channel is equipped with rectangular seal (4), the valve seat (2) it is interior
The side that portion is located at rectangular channel is equipped with cavity, and the inner vertical of the cavity is equipped with movable plate (5), and the movable plate (5) is close
One middle side part of rectangular channel is fixedly connected with brake bar (6), and the brake bar (6) runs through cavity far from the one end of movable plate (5)
Side wall and extend to the inside of rectangular channel and be fixedly connected with crushing block (7), the side wall of the cavity is centered on rectangular channel
Groove there are two symmetrically opening up, the position corresponding position of the side wall and two grooves of the movable plate (5) is fixedly connected to
Mobile bar (8), two mobile bars (8) extend respectively to the inside of two grooves simultaneously far from the one end of movable plate (5)
It is fixedly connected to circular cone (9), the movable plate (5) connects close to the side of rectangular channel with brake bar (6) central symmetry is fixed
It connects there are two extension spring (10), the other end of two extension springs (10) is fixedly connected with the side wall of cavity, two institutes
It states the opposite side of groove and offers rectangular opening, two squares with the position corresponding position of two circular cones (9) respectively
The internal slide in shape hole is connected with rectangular seal block (11), sliding between the side and circular cone (9) of the rectangular seal block (11)
Dynamic connection, the other side of the rectangular seal block (11) extend to the inside of rectangular channel, the side wall of the rectangular seal (4) with
The position corresponding position of rectangular seal block (11) offers seal groove.
2. a kind of valve seat self-regulated section structure of flat gate valve according to claim 1, which is characterized in that the circular cone
(9) side wall offers strip groove, and the internal slide of the strip groove is connected with sliding block (12), and the inside of the strip groove is along it
Length direction is fixedly connected with slide bar (13), and the side wall of the sliding block (12) is slided by the first slide opening and the bar wall of slide bar (13)
Connection, the side wall of the sliding block (12) are fixedly connected with first connecting rod, and the side wall of the rectangular seal block (11) is fixedly connected
There is the second connecting rod, the first connecting rod and the opposite one end of the second connecting rod pass through pivot pin and be rotatablely connected.
3. a kind of valve seat self-regulated section structure of flat gate valve according to claim 1, which is characterized in that the rectangular seal
It is arcwall face that block (11), which is located at the side inside rectangular channel,.
4. a kind of valve seat self-regulated section structure of flat gate valve according to claim 1, which is characterized in that two grooves
Inside be fixedly connected with vertically fixed plate (14), the side wall of two fixed plates (14) pass through the second slide opening respectively with
The bar wall of two mobile bars (8) is slidably connected.
5. a kind of valve seat self-regulated section structure of flat gate valve according to claim 1, which is characterized in that the rectangular seal
The side that circle (4) is located in rectangular channel is fixedly connected with baffle.
6. a kind of valve seat self-regulated section structure of flat gate valve according to claim 1, which is characterized in that the rectangular channel is remote
Side from opening is symmetrically fixedly connected there are two annular resilient collar (15) centered on crushing block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811327178.1A CN109139939A (en) | 2018-11-08 | 2018-11-08 | A kind of valve seat self-regulated section structure of flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811327178.1A CN109139939A (en) | 2018-11-08 | 2018-11-08 | A kind of valve seat self-regulated section structure of flat gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109139939A true CN109139939A (en) | 2019-01-04 |
Family
ID=64808249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811327178.1A Pending CN109139939A (en) | 2018-11-08 | 2018-11-08 | A kind of valve seat self-regulated section structure of flat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139939A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114870763A (en) * | 2022-05-10 | 2022-08-09 | 江西炼石环保科技有限公司 | Simple and easy accelerated reaction unit of microchannel reactor |
-
2018
- 2018-11-08 CN CN201811327178.1A patent/CN109139939A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114870763A (en) * | 2022-05-10 | 2022-08-09 | 江西炼石环保科技有限公司 | Simple and easy accelerated reaction unit of microchannel reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106352116B (en) | A kind of novel double-layer four-way reversing valve | |
| CN205904000U (en) | Stagnant water auto -change over device and gondola water faucet | |
| CN109139939A (en) | A kind of valve seat self-regulated section structure of flat gate valve | |
| CN208404017U (en) | A kind of antispray safe cup lid | |
| CN208951319U (en) | A kind of valve seat self-regulated section structure of flat gate valve | |
| CN206368981U (en) | A kind of novel double-layer four-way reversing valve | |
| CN203395335U (en) | Magnetic-power flexible membrane switching valve for pipeline starting | |
| CN206299818U (en) | From power assisted manual guiding valve | |
| CN216588509U (en) | Fast switching and shunting device for fine pressure control drilling | |
| CN207068744U (en) | A kind of Multifunctional, air compresses switch | |
| CN211574252U (en) | Device for plugging high vacuum degree | |
| CN203797015U (en) | Gate valve | |
| CN210770512U (en) | Piston type selector valve | |
| CN202646743U (en) | Self-driven split flat plate type gate valve | |
| CN203703204U (en) | Pneumatic open spring reset type double-disc gate valve | |
| CN207393991U (en) | A kind of gate valve | |
| CN208123707U (en) | End sealing device | |
| CN204717059U (en) | Multi-path filter core connecting seat | |
| CN107293444A (en) | A kind of Multifunctional, air compresses switch | |
| CN202580085U (en) | Manual sealing air valve | |
| CN212055858U (en) | Pneumatic control manual valve applied to dry-mixed mortar production line | |
| CN219198316U (en) | Electromagnetic gas emergency cut-off valve | |
| CN218118612U (en) | Valve core structure of stop valve | |
| CN220016144U (en) | Middle cavity self-pressure relief bidirectional sealing gate valve | |
| CN210566642U (en) | Overground bolt valve clack structure with secondary sealing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190104 |
|
| WD01 | Invention patent application deemed withdrawn after publication |