CN209213103U - A kind of valve cavity releasing pressure automatically structure - Google Patents
A kind of valve cavity releasing pressure automatically structure Download PDFInfo
- Publication number
- CN209213103U CN209213103U CN201821529385.0U CN201821529385U CN209213103U CN 209213103 U CN209213103 U CN 209213103U CN 201821529385 U CN201821529385 U CN 201821529385U CN 209213103 U CN209213103 U CN 209213103U
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- hole
- valve
- fixed block
- sealing
- block
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Abstract
The utility model discloses a kind of valve cavity releasing pressure automatically structures, including valve body, valve plate, inner cavity, valve seat, first through hole, second through-hole, third through-hole, fourth hole, first fixed block, second fixed block, sealing block, guiding bar, spring, it include two pieces of valve plates and two valve seats corresponding with valve plate in the valve body, an inner cavity is formed between two pieces of valve plates, the valve plate is connected and first through hole that internal diameter successively becomes larger from being successively arranged outward close to lumen side, second through-hole, third through-hole and fourth hole, second through-hole is in horizontal truncated cone, fourth hole is a threaded hole, second fixed block is screwed in the fourth hole, a stepped hole is equipped in second fixed block.The utility model is by matching sealing block with spring, so that effective pressure release can be obtained in inner cavity when valve is closed, so that valve is not easy because chamber pressure is excessive and stuck.
Description
[technical field]
The utility model relates to the technical fields of valve, the especially technical field of valve cavity releasing pressure automatically structure.
[background technique]
Valve is a kind of common conduit component, can effectively control flow, on-off of pipeline etc..Wherein double disc
The valve of structure is a kind of common valve.Existing this kind of valve cavity is easy hypertonia, so that valve is easily damaged.
[utility model content]
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of valve cavity releasing pressure automatically knot
Structure can make valve cavity can be with releasing pressure automatically.
To achieve the above object, the utility model proposes a kind of valve cavity releasing pressure automatically structures, including valve body, valve
Plate, inner cavity, valve seat, first through hole, the second through-hole, third through-hole, fourth hole, the first fixed block, the second fixed block, sealing
Block, guiding bar, spring, include two pieces of valve plates and two valve seats corresponding with valve plate in the valve body, between two pieces of valve plates
Form an inner cavity, the valve plate is connected and that internal diameter successively becomes larger is first logical from being successively arranged outward close to lumen side
Hole, the second through-hole, third through-hole and fourth hole, the second through-hole are in horizontal truncated cone, and fourth hole is a threaded hole,
It is screwed with second fixed block in the fourth hole, is equipped with a stepped hole, the ladder of the stepped hole in the second fixed block
First fixed block is accompanied between face and the side wall of the second through-hole, the first fixed block outer wall is set at the second through-hole side wall
There is an auxiliary tank, a sealing ring is cased on auxiliary tank, the side wall close contact of sealing ring and the second through-hole, described first is solid
Determine to be equipped with first via hole and second via hole in block, the first via hole is located at the logical close to first of the first fixed block
Hole side, less than the internal diameter of the second via hole, the stepped hole is equipped with a sealing block in enclosed region for the internal diameter of the first via hole,
First via hole inner wall is equipped with the sealing surface with sealing block matching ends, and sealing block is fixed with far from the first fixed block side
A piece guiding bar, the inner wall far from the first fixed block side of the stepped hole are equipped with a baffle ring, and guiding bar passes through baffle ring, gear
Spring is equipped between ring and the end of sealing block, spring surrounds guiding bar, the separate first fixed block side of second fixed block
Equipped with several intercommunicating pores, it is connected inside intercommunicating pore and stepped hole.
Preferably, the spring is in horizontal truncated cone.
Preferably, being equipped with sealing strip between the valve plate and valve seat.
Preferably, the sealing block is in half horizontal cydariform, the diameter of the diameter of sealing block less than the second via hole.
The utility model has the beneficial effects that the utility model is by matching sealing block with spring, so that valve is closed
When inner cavity effective pressure release can be obtained so that valve is not easy because chamber pressure is excessive and stuck;The setting of guiding bar is so that sealing
Block can be moved preferably, avoid generating deviation between sealing block and sealing surface, leakproofness is effectively guaranteed;The setting of sealing ring
So that valve close when external agency be not easily accessible it is interior intracavitary.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of main view of valve cavity releasing pressure automatically structure of the utility model;
Fig. 2 is a kind of partial schematic diagram of valve cavity releasing pressure automatically structure of the utility model.
In figure: 1- valve body, 2- valve plate, the first fixed block of 3-, the second fixed block of 4-, 5- spring, 6- sealing block, the inner cavity 10-,
11- valve seat, 12- sealing strip, 21- first through hole, the second through-hole of 22-, 23- third through-hole, 24- fourth hole, 30- sealing ring,
31- auxiliary tank, the first via hole of 35-, 36- sealing surface, the second via hole of 37-, 40- stepped hole, 41- baffle ring, 45- intercommunicating pore,
60- guiding bar.
[specific embodiment]
Refering to fig. 1 and Fig. 2, a kind of valve cavity releasing pressure automatically structure of the utility model, including valve body 1, valve plate 2, inner cavity
10, valve seat 11, first through hole 21, the second through-hole 22, third through-hole 23, fourth hole 24, the first fixed block 3, the second fixed block
4, sealing block 6, guiding bar 60, spring 5 include two pieces of valve plates 2 and two valve seats corresponding with valve plate 2 in the valve body 1
11, form an inner cavity 10 between two pieces of valve plates 2, the valve plate 2 is connected and interior from close to 10 side of inner cavity to being successively arranged outside
First through hole 21, the second through-hole 22, third through-hole 23 and the fourth hole 24 that diameter successively becomes larger, the second through-hole 22 is in horizontal
Truncated cone, fourth hole 24 are a threaded hole, and second fixed block 4 is screwed in the fourth hole 24, and second is fixed
It is equipped with a stepped hole 40 in block 4, accompanies one first between the cascaded surface of the stepped hole 40 and the side wall of the second through-hole 22
Fixed block 3,3 outer wall of the first fixed block are equipped with an auxiliary tank 31 close to 22 side-walls of the second through-hole, are cased on auxiliary tank 31
The side wall of one sealing ring 30, sealing ring 30 and the second through-hole 22 is in close contact, and is equipped with one first in first fixed block 3
Via hole 35 and second via hole 37, the first via hole 35 are located at 21 side of close first through hole of the first fixed block 3, and first
The internal diameter of via hole 35 is equipped with a sealing block 6 in the enclosed region of the stepped hole 40 less than the internal diameter of the second via hole 37, the
One via hole, 35 inner wall is equipped with the sealing surface 36 with 6 matching ends of sealing block, separate first fixed block, 3 side of sealing block 6
It is fixed with a guiding bar 60, the inner wall far from 3 side of the first fixed block of the stepped hole 40 is equipped with a baffle ring 41, guidance
Bar 60 passes through baffle ring 41, and spring 5 is equipped between baffle ring 41 and the end of sealing block 6, and spring 5 surrounds guiding bar 60, and described second
Fixed block 4 is equipped with several intercommunicating pores 45 far from 3 side of the first fixed block, is connected inside intercommunicating pore 45 and stepped hole 40, described
Spring 5 is in horizontal truncated cone, sealing strip 12 is equipped between the valve plate 2 and valve seat 11, the sealing block 6 is in horizontal half
Cydariform, the diameter of the diameter of sealing block 6 less than the second via hole 37.
The utility model is suitable for the valve of double valve plates structure.
Utility model works process:
During the work time, sealing block 6 matches a kind of valve cavity releasing pressure automatically structure of the utility model with spring 5,
So that effective pressure release can be obtained in inner cavity 10 when valve is closed, so that valve is not easy because 10 pressure of inner cavity is excessive and stuck;Guidance
The setting of bar 60 avoids generating deviation between sealing block 6 and sealing surface 36 so that sealing block 6 can be moved preferably, effective to protect
Leakproofness is demonstrate,proved;The setting of sealing ring 30 is so that external agency is not easily accessible in inner cavity 10 when valve is closed.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, and any pair of sheet is practical new
Scheme after type simple transformation belongs to the protection scope of the utility model.
Claims (4)
1. a kind of valve cavity releasing pressure automatically structure, it is characterised in that: including valve body (1), valve plate (2), inner cavity (10), valve seat
(11), first through hole (21), the second through-hole (22), third through-hole (23), fourth hole (24), the first fixed block (3), second are consolidated
Determine block (4), sealing block (6), guiding bar (60), spring (5), includes two pieces of valve plates (2) and two and valve in the valve body (1)
The corresponding valve seat (11) of plate (2) forms an inner cavity (10) between two pieces of valve plates (2), and the valve plate (2) is from close to inner cavity
(10) lateral outer be successively arranged is connected and first through hole (21) that internal diameter successively becomes larger, the second through-hole (22), third through-hole
(23) and fourth hole (24), the second through-hole (22) are in horizontal truncated cone, and fourth hole (24) is a threaded hole, described
It is screwed with second fixed block (4) in fourth hole (24), is equipped with a stepped hole (40), the rank in the second fixed block (4)
First fixed block (3) is accompanied between the cascaded surface of terraced hole (40) and the side wall of the second through-hole (22), the first fixed block (3) is outside
Wall is equipped with an auxiliary tank (31) close to the second through-hole (22) side-walls, is cased with a sealing ring (30) on auxiliary tank (31),
Sealing ring (30) and the side wall of the second through-hole (22) are in close contact, and first via hole is equipped in first fixed block (3)
(35) and second via hole (37), the first via hole (35) are located at close first through hole (21) side of the first fixed block (3),
For the internal diameter of first via hole (35) less than the internal diameter of the second via hole (37), the stepped hole (40) is equipped with one in enclosed region
Sealing block (6), the first via hole (35) inner wall are equipped with the sealing surface (36) with sealing block (6) matching ends, sealing block (6)
Be fixed with a guiding bar (60) far from the first fixed block (3) side, the stepped hole (40) far from the first fixed block (3) side
Inner wall be equipped with a baffle ring (41), guiding bar (60) pass through baffle ring (41), between baffle ring (41) and the end of sealing block (6)
Equipped with spring (5), spring (5) is surrounded guiding bar (60), and second fixed block (4) is equipped with far from the first fixed block (3) side
It is connected inside several intercommunicating pores (45), intercommunicating pore (45) and stepped hole (40).
2. a kind of valve cavity releasing pressure automatically structure as described in claim 1, it is characterised in that: the spring (5) is in horizontal
Truncated cone.
3. a kind of valve cavity releasing pressure automatically structure as described in claim 1, it is characterised in that: the valve plate (2) and valve seat
(11) sealing strip (12) are equipped between.
4. a kind of valve cavity releasing pressure automatically structure as described in claim 1, it is characterised in that: the sealing block (6) is in cross
Half cydariform set, the diameter of the diameter of sealing block (6) less than the second via hole (37).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821529385.0U CN209213103U (en) | 2018-09-19 | 2018-09-19 | A kind of valve cavity releasing pressure automatically structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821529385.0U CN209213103U (en) | 2018-09-19 | 2018-09-19 | A kind of valve cavity releasing pressure automatically structure |
Publications (1)
Publication Number | Publication Date |
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CN209213103U true CN209213103U (en) | 2019-08-06 |
Family
ID=67454434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821529385.0U Active CN209213103U (en) | 2018-09-19 | 2018-09-19 | A kind of valve cavity releasing pressure automatically structure |
Country Status (1)
Country | Link |
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CN (1) | CN209213103U (en) |
-
2018
- 2018-09-19 CN CN201821529385.0U patent/CN209213103U/en active Active
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