CN208417549U - A kind of Pneumatic emptying valve - Google Patents
A kind of Pneumatic emptying valve Download PDFInfo
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- CN208417549U CN208417549U CN201821059457.XU CN201821059457U CN208417549U CN 208417549 U CN208417549 U CN 208417549U CN 201821059457 U CN201821059457 U CN 201821059457U CN 208417549 U CN208417549 U CN 208417549U
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- valve
- air inlet
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- valve body
- sealing
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Abstract
The utility model provides a kind of Pneumatic emptying valve, including valve body, air inlet seal assembly, pull rod, location sealing component and adjusting component；The front end of valve body is equipped with air inlet, and the outer round surface of valve body is equipped with gas outlet, and valve deck is arranged in the rear end of valve body, and connection adjusts component except valve deck, and air inlet seal assembly and location sealing component are fixedly connected with pull rod；Air inlet seal assembly is between air inlet and gas outlet, and location sealing component is between gas outlet and valve rear end, and location sealing component and valve body and adjusting component form sealed gas chamber, and sealed gas chamber is connected with two-position three way magnetic valve open in usual；One end of pull rod is pierced by valve deck and is in contact with the adjusting screw adjusted in component, and pull rod, which is located on the part adjusted in component, is arranged position-limit mechanism, and spring is provided between valve deck and position-limit mechanism.The problems such as the utility model is eccentric, poorly sealed to solve, and service life is short and cannot facilitate adjustment.
Description
Technical field
The utility model belongs to blow valve technical field, more particularly, to a kind of Pneumatic emptying valve.
Background technique
Magnetic suspension cfentrifugal blower is widely used in the neck such as sewage treatment, power plant desulfurization, chemical industry, printing and dyeing and fermentation
Domain is the fluid machinery that can be used in each field of application by providing sufficient air quantity.In order to avoid cfentrifugal blower exists
Surge phenomenon is generated when startup and shutdown, is needed to install blow valve and is vented.
The blow valve of existing cfentrifugal blower installation is mostly electronic blow valve and pneumatic diaphragm solenoid valve, electronic blow valve
The response time for opening valve plate is excessively slow, causes to be easy to appear surge phenomenon in emptying, without fixed inside pneumatic diaphragm solenoid valve
Position device, will appear poorly sealed phenomenon after emptying.Some pneumatic diaphragm solenoid valves drive the shifting of pull rod using air bag
It is dynamic, it realizes and deflates and restore, but air bag is easily damaged, and influences service life.
Existing pneumatic diaphragm solenoid valve lacks regulating mechanism, and the quilt of emptying can not be adjusted according to field working conditions variation
Pressure.
Summary of the invention
In view of this, the utility model is directed to a kind of Pneumatic emptying valve, and it is eccentric, poorly sealed to solve, use the longevity
It orders short and the problems such as adjustment cannot be facilitated.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of Pneumatic emptying valve, including valve body, air inlet seal assembly, pull rod, location sealing component and adjusting component；
The front end of valve body is equipped with air inlet, and the outer round surface of valve body is equipped with gas outlet, and valve deck, valve deck is arranged in the rear end of valve body
Except connection adjust component, air inlet seal assembly and location sealing component be fixedly connected with pull rod, and in the drive of pull rod
Under moved horizontally in valve body；
Air inlet seal assembly is between air inlet and gas outlet and can block air inlet, and location sealing component is in gas outlet
Between valve rear end, and location sealing component and valve body and adjust component and form sealed gas chamber, sealed gas chamber with it is open in usual
Two-position three way magnetic valve is connected；
One end of pull rod is pierced by valve deck and is in contact with the adjusting screw adjusted in component, and pull rod, which is located at, to be adjusted in component
Position-limit mechanism is set on part, spring is provided between valve deck and position-limit mechanism.
Further, it adjusts component to include adjustment seat and adjust screw, adjustment seat is open at one end, and open at one end and valve deck
Realization is sealedly and fixedly connected, and the other end of adjustment seat is threaded with adjusting screw, and the nut for adjusting screw is located at outside adjustment seat
Face, the screw rod end for adjusting screw are protruded into adjustment seat.End due to adjusting screw adjusts the position of screw close to pull rod
It sets, the stroke of the horizontal direction of pull rod can be adjusted
Further, location sealing component includes positioning plate and sealing element, and sealing element includes O-ring and nylon washer, is determined
One or more grooves circumferentially are offered on wall on the plate of position, and an O-ring and one group of nylon washer are provided in each groove.
O-ring is located in groove, and nylon washer is between groove and valve interior wall.The setting of multiple grooves can enhance leakproofness.
Every group of nylon washer includes two nylon washers, and each nylon washer is made of two semicircular nylon washers.It is semicircular
Nylon washer ending is wanted to connect one circular nylon washer of composition.90 ° each other of the cross facet of two nylon washers.Nylon washer
Setting, which realizes positioning plate, to be slided on valve interior wall.
Further, air inlet seal assembly includes sealing plate and sealing ring, and a circle is offered on the periphery wall of sealing plate
Groove, sealing ring are located in groove and realize the sealing before sealing plate and air inlet, and sealing ring is rubber seal.
Further, gas outlet has several, area equation and interval setting.
Further, spring is in compressive state in an inactive state.
Further, the venthole being connected with two-position three way magnetic valve open in usual is provided on valve deck.
Under working condition, when there is a gas source, when two-position three way magnetic valve power loss open in usual, gas room pressure is zero, gas pressure
Power pushes air inlet seal assembly to move backward by air inlet, and pull rod moves backward in turn, while driving location sealing component
It moving backward, pressure is passed to gas chamber by location sealing component,
Gas indoor gas is arranged by venthole and two-position three way magnetic valve open in usual to atmosphere；
When two-position three way magnetic valve open in usual obtains electric, ventilated by venthole into gas chamber, then the indoor gas of gas
Pressure is generated, pressure pushes location sealing component, pull rod, air inlet seal assembly to move forward, until air inlet seal assembly
Air inlet is closed.Air inlet facilitates sealing plate band dynamic seal ring to enter air inlet towards the open at one end larger of valve inner.
Under off working state, when not having gas source, two-position three way magnetic valve power loss open in usual, gas room pressure is zero, valve body
In gas pressure when being also zero, air inlet seal assembly can reset under the action of the spring, so that the sealing ring on sealing plate
It can not be fitted on air inlet, the elasticity of sealing ring can be kept in this way, prolonged the service life.
Pneumatic emptying valve is applied to magnetic suspension cfentrifugal blower.
Compared with the existing technology, Pneumatic emptying valve described in the utility model has the advantage that
Pneumatic emptying valve described in the utility model, the setting of location sealing component, so that blow valve is opening and closing
During be not in eccentric phenomena, ensure that the leakproofness of blow valve；Adjust the setting that screw is adjusted on component, Ke Yi
Field working conditions are faster adjusted when changing, so that equipment be made to run well as soon as possible.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is Pneumatic emptying valve forward sight schematic perspective view described in the utility model embodiment；
Fig. 2 is Pneumatic emptying valve rear view three-dimensional structure described in the utility model embodiment；
Fig. 3 is Pneumatic emptying valve internal mechanism schematic diagram described in the utility model embodiment；
Fig. 4 is the main view of Pneumatic emptying valve described in the utility model embodiment；
Fig. 5 is the sectional view along A-A of Fig. 4；
Fig. 6 is the enlarged drawing at the B of Fig. 5.
Description of symbols:
1- valve body；2- pull rod；3- air inlet；The gas outlet 4-；5- valve deck；6- two-position three way magnetic valve open in usual；7- is adjusted
Screw；8- position-limit mechanism；9- spring；10- adjustment seat；11- positioning plate；12-O type circle；13- nylon washer；14- sealing plate；15-
Sealing ring；16- gas chamber.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in figures 1 to 6, a kind of Pneumatic emptying valve, including valve body 1, air inlet seal assembly, pull rod 2, location sealing group
Part and adjusting component；
The front end of valve body 1 is equipped with air inlet 3, and the outer round surface of valve body 1 is equipped with gas outlet 4, and valve deck is arranged in the rear end of valve body 1
5, connection adjusts component except valve deck 5, and air inlet seal assembly and location sealing component are fixedly connected with pull rod 2, and are being drawn
It is moved horizontally in valve body 1 under the drive of bar 2；
Air inlet seal assembly is between air inlet 3 and gas outlet 4 and can block air inlet 3, and location sealing component is going out
Between 1 rear end of port 4 and valve body, and location sealing component and valve body 1 and adjusting component form sealed gas chamber 16, sealed gas chamber
16 are connected with two-position three way magnetic valve 6 open in usual；
One end of pull rod 2 is pierced by valve deck 5 and is in contact with the adjusting screw 7 adjusted in component, and pull rod 2, which is located at, adjusts component
Position-limit mechanism 8 is set on interior part, spring 9 is provided between valve deck 5 and position-limit mechanism 8.
Above-mentioned adjusting component includes adjustment seat 10 and adjusts screw 7, and adjustment seat 10 is open at one end, and open at one end and valve deck
5 realizations are sealedly and fixedly connected, and the other end of adjustment seat 10, which is threaded with, adjusts screw 7, and the nut for adjusting screw 7, which is located at, to be adjusted
10 outside of seat, the screw rod end for adjusting screw 7 is protruded into adjustment seat 10.
Above-mentioned location sealing component includes positioning plate 11 and sealing element, and sealing element includes O-ring 12 and nylon washer 13, is determined
Circumferentially open up on wall fluted on the plate 11 of position, O-ring 12 is located in groove, and nylon washer 13 is located at groove and 1 inner wall of valve body
Between.
Above-mentioned air inlet seal assembly includes sealing plate 14 and sealing ring 15, and a circle is offered on the periphery wall of sealing plate 14
Groove, sealing ring 15 are located in groove and realize the sealing before sealing plate 14 and air inlet 3.
Above-mentioned gas outlet 4 has several, area equation and interval setting.
Above-mentioned spring 9 is in compressive state in an inactive state.
The venthole being connected with two-position three way magnetic valve 6 open in usual is provided on above-mentioned valve deck 5.
Under working condition, when there is a gas source, when 6 power loss of two-position three way magnetic valve open in usual, pressure is zero in gas chamber 16, gas
Pressure pushes air inlet seal assembly to move backward by air inlet 3, and pull rod 2 moves backward in turn, while driving location sealing
Component moves backward, and pressure is passed to gas chamber 16 by location sealing component,
Gas passes through venthole and 6 row of two-position three way magnetic valve open in usual to atmosphere in gas chamber 16；
When two-position three way magnetic valve 6 open in usual must be electric, ventilated by venthole into gas chamber 16, then in gas chamber 16
Gas generates pressure, and pressure pushes location sealing component, pull rod 2, air inlet seal assembly to move forward, until air inlet seals
Component closes air inlet 3.Air inlet 3 facilitates sealing plate 14 with dynamic seal ring 15 towards open at one end larger inside valve body 1
Into air inlet 3.
Under off working state, when not having a gas source, 6 power loss of two-position three way magnetic valve open in usual, pressure is zero in gas chamber 16, valve
When gas pressure in body 1 is also zero, air inlet seal assembly can reset under the action of spring 9, so that on sealing plate 14
Sealing ring 15 can not be fitted on air inlet 3, can be kept the elasticity of sealing ring 15 in this way, be prolonged the service life.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of Pneumatic emptying valve, it is characterised in that: including valve body (1), air inlet seal assembly, pull rod (2), location sealing group
Part and adjusting component；
The front end of valve body (1) is equipped with air inlet (3), and the outer round surface of valve body (1) is equipped with gas outlet (4), and the rear end of valve body (1) is set
It sets valve deck (5), connection adjusts component except valve deck (5), and air inlet seal assembly and location sealing component are fixed with pull rod (2)
Connection, and moved horizontally in valve body (1) under the drive of pull rod (2)；
Air inlet seal assembly is between air inlet (3) and gas outlet (4) and can block air inlet (3), and location sealing component exists
Between gas outlet (4) and valve body (1) rear end, and location sealing component and valve body (1) and adjusting component form sealed gas chamber
(16), sealed gas chamber (16) is connected with two-position three way magnetic valve open in usual (6)；
One end of pull rod (2) is pierced by valve deck (5) and is in contact with the adjusting screw (7) adjusted in component, and pull rod (2), which is located at, to be adjusted
Position-limit mechanism (8) are set on part in component, spring (9) are provided between valve deck (5) and position-limit mechanism (8).
2. Pneumatic emptying valve according to claim 1, it is characterised in that: adjusting component includes adjustment seat (10) and adjusting spiral shell
Follow closely (7), adjustment seat (10) is open at one end, and open at one end and valve deck (5) realization be sealedly and fixedly connected, adjustment seat (10) it is another
End, which is threaded with, adjusts screw (7), and the nut for adjusting screw (7) is located at outside adjustment seat (10), adjusts the screw rod of screw (7)
End is protruded into adjustment seat (10).
3. Pneumatic emptying valve according to claim 1, it is characterised in that: location sealing component includes positioning plate (11) and close
Sealing, sealing element include O-ring (12) and nylon washer (13), circumferentially open up fluted, O-ring on wall on positioning plate (11)
(12) it is located in groove, nylon washer (13) is located between groove and valve body (1) inner wall.
4. Pneumatic emptying valve according to claim 1, it is characterised in that: air inlet seal assembly include sealing plate (14) and
Sealing ring (15), a circle groove is offered on the periphery wall of sealing plate (14), and sealing ring (15) is located in groove and realizes sealing
Sealing before plate (14) and air inlet (3).
5. Pneumatic emptying valve according to claim 1, it is characterised in that: gas outlet (4) have several, area equation and
Every setting.
6. Pneumatic emptying valve according to claim 1, it is characterised in that: spring (9) is in an inactive state in compression
State.
7. Pneumatic emptying valve according to claim 1, it is characterised in that: be provided on valve deck (5) and two three open in usual
The connected venthole of three-way electromagnetic valve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821059457.XU CN208417549U (en) | 2018-07-05 | 2018-07-05 | A kind of Pneumatic emptying valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821059457.XU CN208417549U (en) | 2018-07-05 | 2018-07-05 | A kind of Pneumatic emptying valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208417549U true CN208417549U (en) | 2019-01-22 |
Family
ID=65124459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821059457.XU Active CN208417549U (en) | 2018-07-05 | 2018-07-05 | A kind of Pneumatic emptying valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208417549U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307070A (en) * | 2019-06-27 | 2019-10-08 | 三一重型装备有限公司 | Gas reversing arrangement and internal combustion engine |
| CN110332325A (en) * | 2019-07-22 | 2019-10-15 | 上海益鼎石化设备制造有限公司 | A kind of gas control emergency relief valve |
| CN110645364A (en) * | 2019-10-11 | 2020-01-03 | 上海胜风流体机械有限公司 | Electromagnetic pneumatic emptying valve |
-
2018
- 2018-07-05 CN CN201821059457.XU patent/CN208417549U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307070A (en) * | 2019-06-27 | 2019-10-08 | 三一重型装备有限公司 | Gas reversing arrangement and internal combustion engine |
| CN110332325A (en) * | 2019-07-22 | 2019-10-15 | 上海益鼎石化设备制造有限公司 | A kind of gas control emergency relief valve |
| CN110645364A (en) * | 2019-10-11 | 2020-01-03 | 上海胜风流体机械有限公司 | Electromagnetic pneumatic emptying valve |
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