CN204922052U - Air supply auxiliary seal's combination material sluice valve that declines - Google Patents
Air supply auxiliary seal's combination material sluice valve that declines Download PDFInfo
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- CN204922052U CN204922052U CN201520714944.5U CN201520714944U CN204922052U CN 204922052 U CN204922052 U CN 204922052U CN 201520714944 U CN201520714944 U CN 201520714944U CN 204922052 U CN204922052 U CN 204922052U
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Abstract
The utility model provides an air supply auxiliary seal's combination material sluice valve that declines comprises the main valve body, deputy valve body, flexible sealing circle clamping cap, location top cap, valve clack, spring, closing plate etc. The closing plate is fixed respectively in the main valve cavity and through a set of disk seat constitution closing plate of valve body inner chamber and the seal structure between the main valve body, the valve clack is established in the slide that the closing plate formed, forms the upper and lower gliding inner structure of opening and close with the valve rod, the external auxiliary seal air supply electric control valve, auxiliary seal pressure of having set postpones valve, dust exhaust air supply relief cock valve and dust exhaust outlet valve at the main valve, and valve port of auxiliary seal air supply electric control valve is linked together with the upper portion cavity of upper portion valve pocket, and its other two valve ports insert the main valve body region of closing plate lower part respectively, form the air supply that bulldozes of closing plate, the air inlet that postpones the valve links to each other with the air supply, and its delivery outlet divides through auxiliary seal air supply electric control valve sends the three valve port that is linked together with the deputy valve body inner chamber to, and the setting of dust exhaust air supply ooff valve is in the auxiliary seal air supply electric control valve main valve pipeline that physically the upper portion cavity is linked together, the dust exhaust outlet valve then sets up the lower part at the main valve body.
Description
Technical field
The utility model relates to a kind of hard sealed valve, and especially a kind of combination of source of the gas auxiliary seal declines material sluice valve.
Background technique
Common sluice valve is that one has the stress-free metal hard seal valve of lumen, is mainly used in the special valve of powder, granular material and other solid materials conveying.Because fed sheet of a media is all solid particle, be mainly used in vertical pipe retains or the use of conducting material.Require its cavity not charging (after charging, meeting locking causes valve to fit badly, do not open), its structure is formed primarily of valve body, spring, sealing mechanism and valve internal component.Three pieces of sealing plates are adopted in general design, centre is motion flap both sides is overall board-like valve seats, sealing surface is very huge, such pretension specific pressure is just very huge, the words needs that generally K-theoretic operation K is qualified are the 3-5 thrust doubly of same bore ball valve, such impact is exactly need number of springs to increase, and the increase of the whole execution thrust of valve needs to join larger pneumatic actuator, forms the awkward problem of " top-heavy ".
Therefore, some defects below the common sluice valve ubiquity generally used at present:
One, Relative friction state is often in, sealing surface easy damaged, the performance and used life that impact sealing is shown in because motion flap when opening and closing to contact with the board-like valve seat on both sides between the sealing surface formed;
Two, relative to the valve of other same specification, bulky, has a significant impact installing space;
Three, being installed to cannot General Maintenance after on pipeline.
Model utility content
The purpose of the present utility model: aim to provide a kind of can effectively control valve thrust size, reduce close, novel micro-material sluice valve of opening travel, make it that not only there is reliable sealability, convenient later stage nursing, and volume is little, convenient installation, improves the practicability of this type of valve further.
Above-mentioned purpose is achieved through the following technical solutions:
The combination of this source of the gas auxiliary seal declines material sluice valve, be made up of main valve body 1, auxiliary valve body 10, flexible seal ring friction top 16 and spring, sealing mechanism and valve internal component, flexible seal ring friction top 16 wherein, main valve body 1, auxiliary valve body 10 form top valve pocket A through each other, middle part valve pocket B from top to bottom, sealing mechanism is made up of the movable flap 5 being arranged on valve rod 3 lower end and the sealing plate 4 that is arranged on this flap the right and left, it is characterized in that:
In the cavity that sealing plate 4 is separately fixed at the top valve pocket A perpendicular with sprue, middle part valve pocket B forms of described left and right distribution and through corresponding be arranged on auxiliary valve body inner chamber about one group of valve seat 7 distributing form sealing configuration between sealing plate and main valve body; Described flap 5 is placed in the slideway of two groups of side sealing plates 4 formation, forms the sprue slided up and down open and close inner structure by connected top valve rod 3.
Auxiliary seal source of the gas motor-operated control valve 12, the pressure retarded valve 13 of auxiliary seal, dust discharge source of the gas relief cock valve 14 and dust discharge outlet valve 17 is equipped outside described main valve body, a valve port of wherein said auxiliary seal source of the gas motor-operated control valve 12 is connected with the upper chamber of top valve pocket A, its two other valve port accesses the main valve body position of right-left seal plate 4 bottom respectively, forms the pushing source of the gas to right-left seal plate; The suction port of the pressure retarded valve 13 of described auxiliary seal is connected with source of the gas, its delivery outlet is distributed to three three valve ports be communicated with that to be connected with auxiliary valve body inner chamber through gas pipeline and auxiliary seal source of the gas motor-operated control valve 12, and 14 described, dust discharge gas source switch valve is arranged in the pipeline be connected from the upper chamber of auxiliary seal source of the gas motor-operated control valve 12 top valve pocket A; Described dust discharge outlet valve 17 is arranged on the bottom of main valve body.
The combination of this source of the gas auxiliary seal proposed according to above technological scheme declines material sluice valve, not only there is the using function of common micro-material sluice valve, and the reliability of sealing had both been ensure that by the cooperation fitting through out-source gas of peripheral hardware Auxiliary valves, improve the reliability that valve uses simultaneously, and make the maintenance in later stage convenient feasible.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is that the AA of Fig. 1 is to sectional view;
Fig. 3 is the enlarged view in figure I portion.
In figure: 1-main valve body 2-guide bearing 3-valve rod 4-sealing plate 5-flap 6-sealing plate sealing cylinder spring 7-valve seat 8-valve base sealing butterfly spring 9-locates cavity in the middle part of jacking block 10-auxiliary valve body 11-auxiliary seal source of the gas trachea joint 12-auxiliary seal source of the gas motor-operated control valve 13-auxiliary seal pressure retarded valve 14-dust discharge source of the gas relief cock valve 15-valve rod flexible seal ring 16-flexible seal ring friction top 17-dust discharge outlet valve A-upper chamber B-.
Embodiment
The utility model is further described also to embodiment of the present utility model below in conjunction with Figure of description.
The combination of this source of the gas auxiliary seal declines material sluice valve, it improves the one of the sluice valve of the same type generally used now, it is made up of main valve body 1, auxiliary valve body 10, flexible seal ring friction top 16 and spring, sealing mechanism and valve internal component, flexible seal ring friction top 16 wherein, main valve body 1, auxiliary valve body 10 form top valve pocket A through each other, middle part valve pocket B from top to bottom, and sealing mechanism is made up of the movable flap 5 being arranged on valve rod 3 lower end and the sealing plate 4 that is arranged on this flap the right and left.This improved body is following two aspects now:
One, in the cavity that sealing plate 4 is separately fixed at the top valve pocket A perpendicular with sprue, middle part valve pocket B forms of described left and right distribution and through corresponding be arranged on auxiliary valve body inner chamber about one group of valve seat 7 distributing form sealing configuration between sealing plate and auxiliary valve body; Described flap 5 is placed in the slideway of two groups of side sealing plates 4 formation, forms the sprue slided up and down open and close inner structure by connected top valve rod 3.
In this improvement: valve seat 7 plays main seal function, sealing force mainly provides by pressure medium, spring, the part thrust that source of the gas provides, and ensures the reliability of sealing; Sealing plate 4 plays the function of auxiliary sealing, sealing force mainly sealing plate sealing cylinder spring provides, the part thrust that source of the gas provides, as long as sealing plate ensures not to be open valve seat is half-open when (because the medium mainly solid particle that this valve is walked, only otherwise the medium that is open would not enter cavity).
The thrust that source of the gas provides by being subject to auxiliary seal source of the gas motor-operated control valve and the pressure retarded valve of auxiliary seal provides, source of the gas of draining fast during valve closing, valve seat and sealing plate source of the gas provide thrust with regard to vanishing, reduce the running force of final controlling element.When valve starts, enter after the pressure retarded valve of auxiliary seal can make source of the gas a period of time in valve seat and sealing plate and produce thrust, decrease the running force of final controlling element equally; In the feature of permission one section due to valve own, in inevitable cavity, have the dust that some particles are minimum.Dust discharge process: open dust discharge source of the gas relief cock valve and make there is certain pressure in cavity, then open dust discharge outlet valve eliminating dust, operational safety, the later maintenance that can improve valve are like this convenient.
They are two years old, auxiliary seal source of the gas motor-operated control valve 12, the pressure retarded valve 13 of auxiliary seal, dust discharge source of the gas relief cock valve 14 and dust discharge outlet valve 17 is equipped outside described main valve body, a valve port of wherein said auxiliary seal source of the gas motor-operated control valve 12 is connected with the upper chamber of top valve pocket A, its two other valve port accesses the auxiliary valve body position of right-left seal plate 4 bottom respectively, forms the pushing source of the gas to right-left seal plate; The suction port of the pressure retarded valve 13 of described auxiliary seal is connected with source of the gas, its delivery outlet through gas pipeline and auxiliary seal origin motor-operated control valve 12 be distributed to three with three valve ports of main valve body intracavity inter-connection, 14 described, dust discharge source of the gas relief cock valve is arranged in the pipeline that the upper chamber that originates from motor-operated control valve 12 top valve pocket A from auxiliary seal is connected; Described dust discharge outlet valve 17 is arranged on the bottom of main valve body.
Outer air supply source regulator control system is formed by adding auxiliary seal origin motor-operated control valve 12, the pressure retarded valve 13 of auxiliary seal, dust discharge source of the gas relief cock valve 14 and dust discharge outlet valve 17 etc. on the basis of original valve body.The part thrust that source of the gas provides ensures the reliability of sealing, play in the function of auxiliary sealing at sealing plate, sealing force mainly spring provides, the part thrust that source of the gas provides, as long as sealing plate ensures not to be open valve seat is half-open when (because the medium mainly solid particle that this valve is walked, only otherwise the medium that is open would not enter cavity); The thrust that source of the gas provides is subject to auxiliary seal source of the gas motor-operated control valve and the pressure retarded valve of auxiliary seal provides, to drain fast during valve closing source of the gas, valve seat and sealing plate source of the gas provide thrust with regard to vanishing, reduce the running force of final controlling element, when valve starts, enter after the pressure retarded valve of auxiliary seal can make source of the gas a period of time in valve seat and sealing plate and produce thrust, decrease the running force of final controlling element equally; In the feature of permission one section due to valve own, the dust that some particles are minimum is had in inevitable cavity, dust discharge process: open dust discharge gas source switch valve and make there is certain pressure in cavity, open dust discharge outlet valve again and get rid of dust, operational safety, the later maintenance that can improve valve are like this convenient.
The combination of this source of the gas auxiliary seal declines and expects that the specific works process of sluice valve is as follows:
(1) valve open
Final controlling element pressure release (reduces the frictional force of flap 5 and two pieces of sealing plates 4 in valve operation, thus reduce final controlling element specification, the problem that this series products of thorough solution final controlling element used is too huge), final controlling element is by valve rod 3, guide bearing 2, the effect of guide bearing has the reliability and stability increasing stem movement, because cure process has been done on its tool surface, increase the working life of valve) move downward, due to sealing plate 4 and flap 5 in movement process under the help of sealing plate sealing cylinder spring 6 and valve base sealing butterfly spring 8, no matter where can ensure that particle media can not leak in lumen, prevent valve from after operation a period of time, occurring problems such as fitting badly.Flap 5 bottom just in time contacts with location jacking block 8 when arriving fully open position, and now valve is in full-gear.
(2) valve seal
Under the sealing state of valve, mainly valve seat 6 causes with the sealing configuration of flap 5, and the power of sealing is provided by three aspects: the thrust of the thrust of medium, spring force, final controlling element, and the sealing also having sealing plate to provide, can ensure the absolute sealing of valve.
(3) valve closing
Start air feed at final controlling element, due to the effect of the pressure retarded valve 13 of auxiliary seal, the thrust making sealing surface temporarily not have source of the gas to produce, which reduces thrust during valve closing.In running, no matter can ensure that particle media can not leak in lumen in that position, prevent valve from after operation a period of time, occurring problems such as fitting badly.Until valve is closed completely, now final controlling element source of the gas starts air feed (0.4-0.6MPa).
(4) later stage dust discharge
Due to the feature of valve own, have the dust that some particles are minimum in inevitable cavity, dust discharge process: open dust discharge gas source switch valve 17 and make in cavity, there is certain pressure, then open dust discharge outlet valve eliminating dust.
Below be only the embodiment that the applicant provides according to technological scheme, any improvement carried out the utility model according to above-mentioned technology intention, all should belong to the category of the utility model protection.
Claims (1)
1. the combination of a source of the gas auxiliary seal declines material sluice valve, by main valve body (1), auxiliary valve body (10), flexible seal ring friction top (16) and spring, sealing mechanism and valve internal component are formed, flexible seal ring friction top (16) wherein, main valve body (1), auxiliary valve body (10) forms top valve pocket (A) through each other from top to bottom, middle part valve pocket (B), sealing mechanism is made up of the movable flap (5) being arranged on valve rod (3) lower end and the sealing plate (4) that is arranged on this flap the right and left, it is characterized in that:
The sealing plate (4) of A, the distribution of described left and right to be separately fixed in cavity that the top valve pocket A perpendicular with sprue, middle part valve pocket B and bottom valve pocket C form and through corresponding be arranged on main valve body inner chamber about one group of valve seat (7) distributing form sealing configuration between sealing plate and main valve body; Described flap (5) is then placed in the slideway that two groups of side sealing plates (4) are formed, and forms the sprue slided up and down open and close inner structure by connected top valve rod (3);
Auxiliary seal source of the gas motor-operated control valve (12), the pressure retarded valve of auxiliary seal (13), dust discharge source of the gas relief cock valve (14) and dust discharge outlet valve (17) is equipped outside B, described main valve body, a valve port of wherein said auxiliary seal source of the gas motor-operated control valve (12) is connected with the upper chamber of top valve pocket (A), its two other valve port accesses the main valve body position of right-left seal plate (4) bottom respectively, forms the pushing source of the gas to right-left seal plate; The suction port of the pressure retarded valve of described auxiliary seal (13) is connected with source of the gas, its delivery outlet is distributed to three three valve ports be communicated with that to be connected with auxiliary valve body inner chamber through gas pipeline and auxiliary seal source of the gas motor-operated control valve (12), and described dust discharge gas source switch valve (14) is then arranged in the pipeline be connected from the upper chamber on auxiliary seal source of the gas motor-operated control valve (12) top valve pocket (A); Described dust discharge outlet valve (17) is then arranged on the bottom of main valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520714944.5U CN204922052U (en) | 2015-09-16 | 2015-09-16 | Air supply auxiliary seal's combination material sluice valve that declines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520714944.5U CN204922052U (en) | 2015-09-16 | 2015-09-16 | Air supply auxiliary seal's combination material sluice valve that declines |
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| Publication Number | Publication Date |
|---|---|
| CN204922052U true CN204922052U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520714944.5U Expired - Fee Related CN204922052U (en) | 2015-09-16 | 2015-09-16 | Air supply auxiliary seal's combination material sluice valve that declines |
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| CN (1) | CN204922052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215624A (en) * | 2021-11-29 | 2022-03-22 | 中国航发沈阳发动机研究所 | Oil supply throttling device for cold running of engine and starting before starter is disengaged |
-
2015
- 2015-09-16 CN CN201520714944.5U patent/CN204922052U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215624A (en) * | 2021-11-29 | 2022-03-22 | 中国航发沈阳发动机研究所 | Oil supply throttling device for cold running of engine and starting before starter is disengaged |
| CN114215624B (en) * | 2021-11-29 | 2023-02-28 | 中国航发沈阳发动机研究所 | Oil supply throttling device for cold running of engine and starting before starter is disengaged |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20190916 |
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| CF01 | Termination of patent right due to non-payment of annual fee |