CN103438230B - Self-powering type sequencing valve - Google Patents
Self-powering type sequencing valve Download PDFInfo
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- CN103438230B CN103438230B CN201310371683.7A CN201310371683A CN103438230B CN 103438230 B CN103438230 B CN 103438230B CN 201310371683 A CN201310371683 A CN 201310371683A CN 103438230 B CN103438230 B CN 103438230B
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- solenoid valve
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Abstract
The invention discloses a kind of self-powering type sequencing valve, comprise valve body, valve gap spool, solenoid valve, entrance sleeve assembly and discharge connection assembly, spool is movably arranged in the lumen that valve gap and valve body formed; Be provided with hold-down ring and diaphragm seal in annular groove bottom spool, and fix with bolt; Entrance sleeve assembly one end is connected with the inlet cavity of valve body, and the other end is connected with lumen by solenoid valve; Discharge connection assembly one end is connected with the outlet cavity of valve body, and the other end is connected with lumen by solenoid valve; Described valve core inside bearing area is greater than the bottom surface bearing area that spool is positioned at inlet cavity.The cooperating structure that the entrance sleeve assembly of sequencing valve, discharge connection assembly and solenoid valve are formed, make spool under the pressure effect of medium self, just can realize the opening and closing of spool, sequencing valve component are reduced, simplify stroke valve overall structure, reduce the energy consumption of actuator, and then reduce cost of production.
Description
Technical field
The present invention relates to control valve technical field, be specifically related to a kind of sequencing valve being realized interior pressure balanced by internal structure.
Background technique
Conventional gas (liquid) program control stop valve is primarily of gas (hydraulic pressure) cylinder part, stuffing box holder part, valve body spool part composition, gas (hydraulic pressure) the cylinder cavity of resorption that the instrument air with pressure of common gas (liquid) program control stop valve or hydraulic oil enter the dynamic actuator of gas (liquid) by the switching of solenoid valve promotes piston to upper (lower) motion, piston driving valve rod, valve rod is carried (pushing), and spool makes sequencing valve open or closes.The complex structure of these gas (liquid) program control stop valve, processing cost is higher, needs extra power when equipment runs.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, self-powering type sequencing valve provided by the invention utilizes the pressure-driven spool of medium self, does not need to arrange exterior operator and operates, simplify the structure.
In order to reach foregoing invention object, the technological scheme of self-powering type sequencing valve provided by the invention is: comprise valve body, valve gap, spool, solenoid valve, entrance sleeve assembly and discharge connection assembly, forms a lumen after together with described valve gap is fixed by screws in valve body; Described spool is movably arranged on isolates lumen after in lumen and forms an epicoele sealed together with lining, valve gap; The inner compression by hold-down ring of annular groove bottom spool has a diaphragm seal, and the sealing surface of diaphragm seal and valve body forms the sealing pair that seals sequencing valve.
Entrance sleeve assembly one end is connected with the inlet cavity of valve body, and the other end is connected with epicoele by solenoid valve; Discharge connection assembly one end is connected with the outlet cavity of valve body, and the other end is connected with epicoele by solenoid valve; Described valve core inside bearing area is greater than the bottom surface bearing area that spool is positioned at inlet cavity.
Preferably, described epicoele outside is also installed with a lining, and spool top is positioned at bush inside, and valve core outer surface and sleeve inner surface movable contact.
Preferably, described sleeve outer surface is provided with a step, and the step clamping structure formed that matches with the flange on valve body makes lining be fixed in lumen.
Preferably, a solenoid valve contiguous block is also provided with between described solenoid valve and valve gap end face.
The working principle of this self-powering type sequencing valve: solenoid valve signal disconnects, the conducting of this sequencing valve, and entrance sleeve assembly is in closed condition, and discharge connection assembly is in opening state, and medium power upwards can realize the unlatching of sequencing valve; Because valve core inside bearing area is greater than the base area that spool is positioned at inlet cavity, opens solenoid valve makes entrance sleeve element turns, closes discharge connection assembly, allows medium enter in epicoele, the pressure that valve core inside is subject to is greater than being stressed of its outer bottom, can realize the closedown of sequencing valve; If there is refluence phenomenon during sequencing valve conducting, certain media enters in epicoele, and the pressure that valve core inside is subject to is greater than the closedown being stressed to realize spool of its outer bottom.
Beneficial effect of the present invention is: the cooperating structure of the entrance sleeve assembly of this self-powering type sequencing valve, discharge connection assembly and solenoid valve composition, make spool under the pressure effect of medium self, just can realize the opening and closing of spool, gas (hydraulic pressure) the cylinder part, the stuffing box cradle portion that instead of sequencing valve of the prior art grade complicated driving mechanism to realize the opening and closing of spool, the component of sequencing valve are reduced, simplify stroke valve overall structure, reduce the energy consumption of actuator, thus reduce cost of production; The O-ring seals that sequencing valve many places are arranged can avoid the medium in epicoele to reveal in lumen effectively.
Accompanying drawing explanation
Fig. 1 is the structural representation of self-powering type sequencing valve;
Fig. 2 is the enlarged view in A portion in Fig. 1.
Wherein, 1, valve body; 2, inlet cavity; 3, hold-down ring; 4, bolt; 5, diaphragm seal; 6, spool; 7, epicoele; 8, lining; 9, screw; 10, valve gap; 11, entrance sleeve assembly; 12, solenoid valve; 13, solenoid valve contiguous block; 14, discharge connection assembly; 15, O-ring seals; 16, sealing surface; 17, outlet cavity; 18, flange; 19, step.
Embodiment
As depicted in figs. 1 and 2, this self-powering type sequencing valve comprises valve body 1, valve gap 10 and spool 6, solenoid valve 12, entrance sleeve assembly 11 and discharge connection assembly 14, forms a lumen after described valve gap 10 is fixed together by screw 9 with valve body 1; Spool 6 is movably arranged on after in lumen and lumen forms an epicoele sealed 7; Annular groove inside bottom spool 6 is provided with diaphragm seal 5, and realizes the compression of diaphragm seal 5 by the hold-down ring 3 of bolt 4 fixing seal sheet 5 bottom, and diaphragm seal 5 forms the sealing pair of a sealing sequencing valve with the sealing surface 16 of valve body 1;
Entrance sleeve assembly 11 one end is connected with the inlet cavity 2 of valve body 1, and the other end is connected with epicoele 7 by solenoid valve 12; Discharge connection assembly 14 one end is connected with the outlet cavity 17 of valve body 1, and the other end is connected with epicoele 7 by solenoid valve 12; The inner bearing area of described spool 6 (bearing area is herein area and the spool 6 inner bottom surface area sum of spool 6 upper surface) is greater than the bottom surface bearing area (bottom surface bearing area size is between hold-down ring 3 internal diameter place face area and face, hold-down ring 3 external diameter place area) that spool 6 is positioned at inlet cavity 2.
In order to avoid the medium of epicoele 7 inside communicates with inlet cavity 2 and outlet cavity 17, be also installed with a lining 8 in epicoele 7 outside, it is inner that spool 6 top is positioned at lining 8, and spool 6 outer surface and lining 8 internal surface movable contact; Lining 8 outer surface is provided with a step 19, and step 19 clamping structure formed that matches with the flange 18 on valve body 1 makes lining 8 be fixed in lumen.
In order to avoid the medium in epicoele 7 permeates to inlet cavity 2 and outlet cavity 17, affect the sealing of epicoele 7 inside, and then the pressure reduction affected between spool 6 inner bottom surface and outer bottom, and be provided with O-ring seals 15 at the end face of lining 8 internal surface and the spool 6 outer surface section of contacting and lining 8 and valve gap 10 touching position.In order to avoid medium is to valve body 1 outboard leak, on the surface that valve body 1 contacts with valve gap 10 and solenoid valve contiguous block 13 be provided with O-ring seals 15 with valve gap 10 touching position.
For the ease of the installation of solenoid valve 12, between solenoid valve 12 and valve gap 10 end face, be also provided with a solenoid valve contiguous block 13.
This self-powering type sequencing valve only has spool 6 one moving elements, and it moves up and down the closedown and unlatching that realize sequencing valve.The solenoid valve 12 of sequencing valve and the Placement of entrance sleeve assembly 11 and discharge connection assembly 14 are converted and sequencing valve can be arranged to open in usual or Normally closed type.
Sequencing valve open in usual is: when the signal of solenoid valve 12 disconnects, entrance sleeve assembly 11 is closed, and outlet cavity 17 is opened.Spool 6 is in opening state under medium active force, and sequencing valve is in conducting.
Then the working procedure of self-powering type stroke valve open in usual is described below:
The conducting of sequencing valve: make solenoid valve 12 cut-off signal, spool 6 moves upward under the effect of import high-pressure medium power, realizes the conducting of sequencing valve.
The closedown of sequencing valve: sequencing valve receives the concentrated manipulation of peripheral control unit, after controller exports electrical signal to solenoid valve 12, this solenoid valve 12 commutates action, disconnect discharge connection assembly 14, connecting entrance sleeve assembly 11 makes high-pressure inlet medium enter epicoele 7 by the switching of solenoid valve 12, because the inner compression area of spool 6 is greater than the bottom surface bearing area of spool 6, thus make medium try hard to recommend movable valve plug 6 to move downward, allow sequencing valve close, the sealing pair that diaphragm seal 5 and sealing surface 16 are formed ensures the sealing between spool 6 and valve body 1.
If spool 6 is in enable possition, solenoid valve 12 has disconnected entrance sleeve assembly 11, be switched to discharge connection assembly 14, if now flowing backwards appears in medium, then high-pressure medium just can enter epicoele 7 through discharge connection assembly 14 by solenoid valve 12, medium is tried hard to recommend movable valve plug 6 and is moved downward closedown sequencing valve, makes self-powering type sequencing valve play safety check.
Although describe in detail the specific embodiment of the present invention by reference to the accompanying drawings, should not be construed as the restriction of the protection domain to this patent.In the scope described by claims, the various amendment that those skilled in the art can make without creative work and distortion still belong to the protection domain of this patent.
Claims (8)
1. a self-powering type sequencing valve, comprises valve body and valve gap, forms a lumen after together with described valve gap is fixed by screws in valve body; It is characterized in that: also comprise spool, solenoid valve, entrance sleeve assembly and discharge connection assembly, spool is movably arranged on after in lumen and lumen forms an epicoele sealed; The inner compression by hold-down ring of annular groove bottom spool has a diaphragm seal, and the sealing surface of diaphragm seal and valve body forms the sealing pair that seals sequencing valve;
Entrance sleeve assembly one end is connected with the inlet cavity of valve body, and the other end is connected with epicoele by solenoid valve; Discharge connection assembly one end is connected with the outlet cavity of valve body, and the other end is connected with epicoele by solenoid valve; Described valve core inside bearing area is greater than the bottom surface bearing area that spool is positioned at inlet cavity.
2. self-powering type sequencing valve according to claim 1, is characterized in that: described epicoele outside is also installed with a lining, and spool top is positioned at bush inside, and valve core outer surface and sleeve inner surface movable contact.
3. self-powering type sequencing valve according to claim 2, is characterized in that: described sleeve outer surface is provided with a step, and the step clamping structure formed that matches with the flange on valve body makes lining be fixed in lumen.
4. self-powering type sequencing valve according to claim 1, is characterized in that: be also provided with a solenoid valve contiguous block between described solenoid valve and valve gap end face.
5. the self-powering type sequencing valve according to Claims 2 or 3, is characterized in that: described sleeve inner surface is provided with O-ring seals with the valve core outer surface section of contacting.
6. self-powering type sequencing valve according to claim 1, is characterized in that: the surface that described valve body contacts with valve gap is provided with O-ring seals.
7. self-powering type sequencing valve according to claim 5, is characterized in that: end face and the valve gap touching position of described lining are provided with O-ring seals.
8. self-powering type sequencing valve according to claim 4, is characterized in that: described solenoid valve contiguous block and valve gap touching position are provided with O-ring seals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310371683.7A CN103438230B (en) | 2013-08-23 | 2013-08-23 | Self-powering type sequencing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310371683.7A CN103438230B (en) | 2013-08-23 | 2013-08-23 | Self-powering type sequencing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103438230A CN103438230A (en) | 2013-12-11 |
| CN103438230B true CN103438230B (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310371683.7A Active CN103438230B (en) | 2013-08-23 | 2013-08-23 | Self-powering type sequencing valve |
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| CN (1) | CN103438230B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763933A (en) * | 2016-12-15 | 2017-05-31 | 安徽海拓志永智能装备股份有限公司 | A kind of new one-way pneumatic valve arrangement |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001146974A (en) * | 1999-11-22 | 2001-05-29 | Fuji Koki Corp | Solenoid valve |
| CN2806903Y (en) * | 2005-07-07 | 2006-08-16 | 张承华 | Solenoid valve |
| CN101858440B (en) * | 2010-06-18 | 2012-12-26 | 陈国顺 | Two-way electromagnetic valve |
| CN202209455U (en) * | 2011-09-23 | 2012-05-02 | 福建福思特阀门集团有限公司 | Safe power-driven pressure releasing and holding valve |
| CN202371187U (en) * | 2011-12-19 | 2012-08-08 | 兖矿国泰乙酰化工有限公司 | Valve core of sequencing valve |
| CN203442172U (en) * | 2013-08-23 | 2014-02-19 | 大英县大科机械设备制造有限公司 | Self-operated program-controlled valve |
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2013
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| CN103438230A (en) | 2013-12-11 |
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Effective date of registration: 20201202 Address after: No.23, group 5, Shangqiao village, yong'anzhou Town, Gaogang District, Taizhou City, Jiangsu Province Patentee after: Wang Yu Address before: 629300 middle horse road, Daying Town, Daying County, Suining, Sichuan, Penglai Patentee before: DAYING DAKE MACHINERY EQUIPMENT MANUFACTURING Co.,Ltd. |
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Effective date of registration: 20211223 Address after: 215400 No. 178, Baihua South Road, Shaxi Town, Taicang City, Suzhou City, Jiangsu Province Patentee after: TAICANG CITY HAIFENG METAL PRODUCTS Co.,Ltd. Address before: 225300 No.23, group 5, Shangqiao village, yonganzhou Town, Gaogang District, Taizhou City, Jiangsu Province Patentee before: Wang Yu |