CN103438230A - Self-powering sequencing valve - Google Patents
Self-powering sequencing valve Download PDFInfo
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- CN103438230A CN103438230A CN2013103716837A CN201310371683A CN103438230A CN 103438230 A CN103438230 A CN 103438230A CN 2013103716837 A CN2013103716837 A CN 2013103716837A CN 201310371683 A CN201310371683 A CN 201310371683A CN 103438230 A CN103438230 A CN 103438230A
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- spool
- valve body
- sequencing
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Abstract
The invention discloses a self-powering sequencing valve. The self-powering sequencing valve comprises a valve body, a valve deck, a valve element, solenoid valves, an inlet connecting pipe assembly and an outlet connecting pipe assembly. The valve element is movably installed in a middle cavity formed by the valve deck and the valve body; a clamping ring and a sealing piece are arranged in an annular groove in the bottom of the valve element and fixed through bolts; one end of the inlet connecting pipe assembly is connected with an inlet cavity of the valve body, and the other end of the inlet connecting pipe assembly is connected with the middle cavity through the solenoid valve. One end of the outlet connecting pipe assembly is connected with an outlet cavity of the valve body, and the other end of the outlet connecting pipe assembly is connected with the hollow cavity through the solenoid valve. The interior pressure bearing area of the valve element is larger than the bottom face pressure bearing area, located in the inlet cavity, of the valve element. Due to the matched structure formed by the inlet connecting pipe assembly, the outlet connecting pipe assembly and the solenoid valves of the sequencing valve, the opening and the closing of the valve element can be achieved under the self pressure of a medium, so that parts of the sequencing valve are reduced, the overall structure of the sequencing valve is simplified, the energy consumption of an actuating mechanism is reduced, and production cost is lowered.
Description
Technical field
The present invention relates to the control valve technical field, be specifically related to a kind of sequencing valve of realizing interior pressure balanced by internal structure.
Background technique
Gas commonly used (liquid) program control stop valve mainly partly is comprised of gas (hydraulic pressure) cylinder part, stuffing box holder part, valve body spool, gas (hydraulic pressure) the cylinder cavity of resorption that the switching by solenoid valve of the instrument air with pressure of common gas (liquid) program control stop valve or hydraulic oil enters the moving actuator of gas (liquid) promote piston upwards (under) motion, the piston driving valve rod, valve rod is carried (pushing) spool makes sequencing valve open or close.The complex structure of these gas (liquid) program control stop valve, processing cost is higher, needs extra power during the equipment operation.
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 outside actuator and is operated, and simplifies the structure.
In order to reach the foregoing invention purpose, 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, described valve gap with together with valve body is fixed by screws in after form a lumen; Described spool is isolated the epicoele that lumen forms a sealing after being movably arranged in lumen together with lining, valve gap; The annular groove inside of spool bottom has compressed a diaphragm seal by hold-down ring, and the sealing surface of diaphragm seal and valve body forms the sealing pair of a sealing 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 also is 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 flange on valve body is fixed in lumen lining.
Preferably, also be provided with a solenoid valve contiguous block between described solenoid valve and valve gap end face.
The working principle of this self-powering type sequencing valve: the solenoid valve signal disconnects, the conducting of this sequencing valve, and the entrance sleeve assembly is in closed condition, and the discharge connection assembly is in opening state, and the power that medium makes progress can realize the unlatching of sequencing valve; Because the valve core inside bearing area is greater than the base area that spool is positioned at inlet cavity, opens solenoid valve makes the conducting of entrance sleeve assembly, closes the discharge connection assembly, allows medium enter in epicoele, make the pressure that valve core inside is subject to be greater than being stressed of its outer bottom, can realize closing of sequencing valve; If occur the refluence phenomenon during sequencing valve conducting, the part medium enters in epicoele, and what make pressure that valve core inside is subject to be greater than its outer bottom is stressed to realize closing of spool.
Beneficial effect of the present invention is: the cooperating structure that the entrance sleeve assembly of this self-powering type sequencing valve, discharge connection assembly and solenoid valve form, make spool just can realize the opening and closing of spool under the pressure-acting of medium self, gas (hydraulic pressure) cylinder part, the stuffing box cradle portion that the has replaced sequencing valve of the prior art complicated driving mechanism that grades is realized the opening and closing of spool, the component of sequencing valve are reduced, simplified the stroke valve overall structure, reduce the energy consumption of actuator, thereby reduced cost of production; The O-ring seals that the sequencing valve many places arrange can avoid the medium in epicoele to reveal in lumen effectively.
The accompanying drawing explanation
The structural representation that Fig. 1 is the self-powering type sequencing valve;
The enlarged view that Fig. 2 is A section 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, and described valve gap 10 and valve body 1 are by screw 9 rear formation one lumen that is fixed together; Spool 6 is movably arranged on epicoele 7 rear in lumen and lumen formation one sealing; The annular groove inside of spool 6 bottoms 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 bottoms, and the sealing surface 16 of diaphragm seal 5 and valve body 1 forms the sealing pair of sealing sequencing valves;
Entrance sleeve assembly 11 1 ends are 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 1 ends are 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 herein is area and the spool 6 inner bottom surface area sums of spool 6 upper surfaces) is greater than the bottom surface bearing area (bottom surface bearing area size is between hold-down ring 3 internal diameter place face areas and hold-down ring 3 external diameter place face areas) that spool 6 is positioned at inlet cavity 2.
Medium for fear of epicoele 7 inside communicates with inlet cavity 2 and outlet cavity 17, in epicoele 7 outsides, also is installed with a lining 8, and spool 6 tops are positioned at lining 8 inside, and spool 6 outer surfaces and lining 8 internal surface movable contacts; Lining 8 outer surfaces are provided with a step 19, and step 19 clamping structure formed that matches with flange 18 on valve body 1 is fixed in lumen lining 8.
Medium in epicoele 7 permeates to inlet cavity 2 and outlet cavity 17, affect the sealing of epicoele 7 inside, and then affect the pressure reduction between spool 6 inner bottom surfaces and outer bottom, and be provided with O-ring seals 15 at lining 8 internal surfaces with end face and valve gap 10 touching positions of the spool 6 outer surface sections of contacting and lining 8.The 1 outside seepage for fear of medium to valve body reaches solenoid valve contiguous block 13 and is provided with O-ring seals 15 with valve gap 10 touching positions on valve body 1 and the contacted surface of valve gap 10.
For the ease of the installation of solenoid valve 12, between solenoid valve 12 and valve gap 10 end faces, also be provided with a solenoid valve contiguous block 13.
This self-powering type sequencing valve only has 6 one moving elements of spool, and it moves up and down realizes closing and opening of sequencing valve.The Placement of the solenoid valve of sequencing valve 12 and entrance sleeve assembly 11 and discharge connection assembly 14 is 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 the medium active force, and sequencing valve is in conducting.
The working procedure of below following self-powering type stroke valve open in usual is described:
The conducting of sequencing valve: make solenoid valve 12 cut-off signals, spool 6 moves upward under the effect of import high-pressure medium power, realizes the conducting of sequencing valve.
Closing of sequencing valve: sequencing valve receives the concentrated of peripheral control unit and controls, after controller is to solenoid valve 12 output electrical signals, these solenoid valve 12 commutation actions, disconnect discharge connection assembly 14, connecting entrance sleeve assembly 11 makes the 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, thereby making medium try hard to recommend movable valve plug 6 moves downward, allow sequencing valve close, the sealing pair that diaphragm seal 5 and sealing surface 16 form guarantees 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, high-pressure medium just can enter epicoele 7 by solenoid valve 12 through discharge connection assembly 14, medium is tried hard to recommend movable valve plug 6 and is moved downward and close sequencing valve, makes the self-powering type sequencing valve play safety check.
Although by reference to the accompanying drawings the specific embodiment of the present invention is described in detail, should not be construed as the restriction to the protection domain of this patent.In the described scope of claims, the various modifications 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, comprise valve body and valve gap, described valve gap with together with valve body is fixed by screws in after form a lumen; It is characterized in that: also comprise spool, solenoid valve, entrance sleeve assembly and discharge connection assembly, spool is movably arranged on epicoele rear in lumen and lumen formation one sealing; The annular groove inside of spool bottom has compressed a diaphragm seal by hold-down ring, and the sealing surface of diaphragm seal and valve body forms the sealing pair of a sealing 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, it is characterized in that: described epicoele outside also is 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, it is characterized in that: described sleeve outer surface is provided with a step, and the step clamping structure formed that matches with flange on valve body is fixed in lumen lining.
4. self-powering type sequencing valve according to claim 1, is characterized in that: also be provided with a solenoid valve contiguous block between described solenoid valve and valve gap end face.
5. according to the described self-powering type sequencing valve of claim 2 or 3, it 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, it is characterized in that: the contacted surface of described valve body and valve gap is provided with O-ring seals.
7. self-powering type sequencing valve according to claim 5, it is characterized in that: the end face of described lining and valve gap touching position are provided with O-ring seals.
8. self-powering type sequencing valve according to claim 4, it 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 true CN103438230A (en) | 2013-12-11 |
| CN103438230B 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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| Country | Link |
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| CN (1) | CN103438230B (en) |
Cited By (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 |
Citations (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 |
| CN101858440A (en) * | 2010-06-18 | 2010-10-13 | 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 |
-
2013
- 2013-08-23 CN CN201310371683.7A patent/CN103438230B/en active Active
Patent Citations (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 |
| CN101858440A (en) * | 2010-06-18 | 2010-10-13 | 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 |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN103438230B (en) | 2015-12-09 |
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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 |
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