CN101788074B - Spherical electromagnetic valve at top end of sliding rod - Google Patents
Spherical electromagnetic valve at top end of sliding rod Download PDFInfo
- Publication number
- CN101788074B CN101788074B CN201010136331XA CN201010136331A CN101788074B CN 101788074 B CN101788074 B CN 101788074B CN 201010136331X A CN201010136331X A CN 201010136331XA CN 201010136331 A CN201010136331 A CN 201010136331A CN 101788074 B CN101788074 B CN 101788074B
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- CN
- China
- Prior art keywords
- flange seat
- positioning
- slide bar
- mounting hole
- spool
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The invention relates to a spherical electromagnetic valve at the top end of a sliding rod, comprising a shell, a positioning body, a positioning groove, a coil frame and an electromagnetic coil. The end part of the shell is provided with a flange seat; a mounting hole is arranged in the centre of the flange seat; a positioning cavity is arranged in the positioning body; the sliding rod and a sliding bush are arranged in the positioning cavity; one end of the sliding rod passes through the sliding bush and extends into the positioning cavity while the other end of the sliding rod extends into the mounting hole of the flange seat; the sliding rod and the sliding bush can move relative to the positioning body and the flange seat; a spring is installed in the mounting hole, and the spring is provided with a fixedly-connected valve core corresponding to the other end connected with the spring seat; the valve core can be moved in the mounting hole; a side wall of the valve core is provided with a connecting hole, and the flange seat is provided with a positioning hole corresponding to the side wall provided with a connecting hole; and the sliding rod is provided with a spherical end cover adjacent to the end part of the valve core. The electromagnetic valve has the advantages of simple structure and prolonged service life of the electromagnetic valve, and can ensure that the top end of the sliding rod can be effectively contacted with the valve core.
Description
Technical field
The present invention relates to a kind of solenoid valve, especially a kind of solenoid valve of top end of sliding rod globulate.
Background technique
Solenoid valve is widely used in hydraulic pressure, vacuum, combustion gas transmission and the refrigeration system, and important effect is being brought into play in the automatic control that realizes pipeline.
When solenoid valve is switched on, the moving of slide bar will drive spool and to move, and the mobile of said spool can the pressure spring contraction.In this process, the top of slide bar is the face contact with contacting of spool; This surface contact state can be difficult to form desirable face contact along with the inclination of spool or the inclination of slide bar.When the top of slide bar is undesirable with contacting of valve core chamber, can makes spool stuck or spool produces abnormal wearing and tearing in moving process in moving process, thereby influence the using effect and the working life that reduces solenoid valve of solenoid valve.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the existing technology, a kind of solenoid valve of top end of sliding rod globulate is provided, it is simple in structure, can guarantee that the top of slide bar effectively contacts, prolongs the working life of solenoid valve with valve core chamber.
According to technological scheme provided by the invention; The solenoid valve of said top end of sliding rod globulate; Comprise housing, said housing center convexes with positioning body, forms the locating slot around the housing center between said positioning body outer wall and inner walls; Be provided with coil rack in the said locating slot, be wound with electromagnetic coil on the said coil rack; The end of said housing is provided with the flange seat of fixed connection, and an end of said flange seat is embedded in the housing, and contacts with the end of positioning body; The center of said flange seat is provided with mounting hole; Be provided with positioning chamber in the positioning body, said positioning chamber is connected with mounting hole; Be provided with slide bar and sliding sleeve in the said positioning chamber; One end of said slide bar passes sliding sleeve, stretches in the positioning chamber, and the other end of said slide bar stretches in the mounting hole of flange seat; Slide bar and sliding sleeve can the relative positioning body and flange seat move; Utilize spring seat that spring is installed corresponding to the other end that slide bar is set in the mounting hole, said spring is provided with the spool of fixed connection corresponding to the other end that is connected with spring seat; Said spool can move in mounting hole; The sidewall of spool is provided with attachment hole, and flange seat is provided with positioning hole corresponding to the sidewall that attachment hole is set; Said slide bar is provided with end cap corresponding to the end of contiguous spool, and said end cap is spherical.
Be provided with second seal ring between said flange seat and coil rack.Said flange seat corresponding to the contacted end of positioning body be taper.Said slide bar utilizes second Bearing Installation at flange seat corresponding to the end that is positioned at mounting hole.The radius of said end cap is 8～11mm.Said slide bar utilizes clutch shaft bearing to be installed in positioning body corresponding to the end that is positioned at positioning chamber.
Advantage of the present invention: after the end through slide bar is set to sphere; Can make slide bar can concentrate on the center of spool, thereby spool can steadily be moved, the influence of having avoided spool to tilt to bring the Driving force of spool; Simple in structure, can prolong working life of solenoid valve.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
As shown in Figure 1: as to the present invention includes housing 1, slide bar 2, coil rack 3, clutch shaft bearing 4, sliding sleeve 5, first seal ring 6, second seal ring 7, flange seat 8, spool 9, mounting hole 10, spring seat 11, spring 12, positioning hole 13, attachment hole 14, end cap 15, second bearing 16, electromagnetic coil 17, positioning chamber 18, locating slot 19 and positioning body 20.
As shown in Figure 1: in cup shaped shell 1, convex with positioning body 20, form locating slot 19 between the inwall of the outer wall of said positioning body 20 and housing 1, said locating slot 19 is around the center of housing 1 with positioning body 20.Be provided with positioning chamber 18 in the said positioning body 20.Be provided with coil rack 3 in the locating slot 19, be wound with electromagnetic coil 17 on the coil rack 3.Said cup shaped shell 1 is provided with the flange seat 8 of fixed connection corresponding to open end, and an end of said flange seat 8 is embedded in glass shaped shell 1, and contacts with the end of positioning body 20.Flange seat 8 corresponding to positioning body 20 contacted ends be taper.3 of said flange seat 8 and coil racks are provided with second seal ring 7; Said flange seat 8 is provided with mounting hole 10 along the central position.Flange seat 8 is corresponding to utilizing spring seat 11 that spring 12 is installed in the mounting hole 10 of setting housing 1 the other end end, and said spring 12 is provided with the spool 9 of fixed connection corresponding to the other end that is connected with spring seat 11, and said spool 9 can slide in mounting hole 10.The sidewall of said spool 9 is provided with attachment hole 14; Flange seat 8 has positioning hole 13 corresponding to the sidewall that attachment hole 14 is set, and spool 9 can be isolated being communicated with of positioning hole 13 and 10 of mounting holes; Spool 9 is when pressure spring 12 slides in mounting hole 10, and along with the slip of spool 9 in mounting hole 10, attachment hole 14 can overlap with positioning hole 13, makes mounting hole 10 and external communications.
Be provided with sliding sleeve 5 in the positioning chamber 18 of said positioning body 20, sliding sleeve 5 can slide in positioning chamber 18.Also be provided with slide bar 2 in the said positioning body 20; One end of said slide bar 2 passes sliding sleeve 5, stretches in the positioning chamber 18; Said slide bar 2 utilizes clutch shaft bearing 4 to be installed in the positioning chamber 18 corresponding to the end of stretching into positioning chamber 18; The other end of said slide bar 2 stretches in the mounting hole 10 of flange seat 8.Slide bar 2 utilizes second bearing 16 to be installed in the flange seat 8 corresponding to the end of stretching into mounting hole 10; Said slide bar 2 can relative positioning body 20 and flange seat 8 move.Slide bar 2 is provided with end cap 15 corresponding to the end of stretching in the mounting hole 10, and said end cap 15 is spherical, and the radius of end cap 15 is 8～11mm.Said positioning body 20 is corresponding to being provided with first seal ring 6 that is fixedly connected with flange seat 8 contacted ends, and after coil rack 3 softened, first seal ring 6 still can play seal action.
As shown in Figure 1: during work, with electromagnetic coil 17 energisings.After electromagnetic coil 17 energisings, said slide bar 2 moves with sliding sleeve 5 relative positioning bodies 20 and flange seat 8; Said slide bar 2 moving in mounting hole 10 makes slide bar 2 contact with the end of spool 9; Along with being moved further of slide bar 2, slide bar 2 can pressure spring 12 with spool 9.Along with slide bar 2 and spool 9 pressure springs 12 move in mounting hole 10, the attachment hole 14 on the spool 9 can coincide with the positioning hole 13 on the flange seat 8, makes mounting hole 10 and external communications, accomplishes the circulation of solenoid valve medium.When electromagnetic coil 17 outage, spool 9 returns to original position under the effect of spring 12, has cut off being communicated with of positioning hole 13 and 14 of attachment holes; Also make simultaneously slide bar 2 and sliding sleeve 5 return to original state, thereby accomplish the periodic duty process one time.Said slide bar 2 is set to sphere corresponding to the end of contact spool 9, and slide bar 2 forms desirable contact condition with contacting of 9 of spools, and the active force that makes slide bar 2 act on spool 9 is positioned at the center of spool 9 all the time.Spool 9 can steadily move under the effect of slide bar 2, has avoided spool 9 in the moving process of pressure spring 12, to contact when undesirable, spool 9 occurs and moves stuck and abnormal wear phenomenon, prolongs the working life of solenoid valve.
Claims (1)
1. the solenoid valve of a top end of sliding rod globulate; Comprise housing (1); Said housing (1) center convexes with positioning body (20); Form locating slot (19) between said positioning body (20) outer wall and housing (1) inwall, be provided with coil rack (3) in the said locating slot (19), be wound with electromagnetic coil (17) on the said coil rack (3) around housing (1) center; It is characterized in that: the end of said housing (1) is provided with the flange seat (8) of fixed connection, and an end of said flange seat (8) is embedded in the housing (1), and contacts with the end of positioning body (20); The center of said flange seat (8) is provided with mounting hole (10); Be provided with positioning chamber (18) in the positioning body (20), said positioning chamber (18) is connected with mounting hole (10); Be provided with slide bar (2) and sliding sleeve (5) in the said positioning chamber (18); One end of said slide bar (2) passes sliding sleeve (5), stretches in the positioning chamber (18), and the other end of said slide bar (2) stretches in the mounting hole (10) of flange seat (8); Slide bar (2) can move with flange seat (8) by relative positioning body (20) with sliding sleeve (5); Utilize spring seat (11) that spring (12) is installed corresponding to the other end that slide bar (2) is set in the mounting hole (10), said spring (12) is provided with the spool (9) of fixed connection corresponding to the other end that is connected with spring seat (11); Said spool (9) can move in mounting hole (10); The sidewall of spool (9) is provided with attachment hole (14), and flange seat (8) is provided with positioning hole (13) corresponding to the sidewall that attachment hole (14) is set; Said slide bar (2) is provided with end cap (15) corresponding to the end of contiguous spool (9), and said end cap (15) is spherical;
Be provided with second seal ring (7) between said flange seat (8) and coil rack (3);
Said flange seat (8) corresponding to the contacted end of positioning body (20) be taper;
Said slide bar (2) utilizes second bearing (16) to be installed in flange seat (8) corresponding to the end that is positioned at mounting hole (10);
The radius of said end cap (8) is 8～11mm;
Said slide bar (2) utilizes clutch shaft bearing (4) to be installed in positioning body (20) corresponding to the end that is positioned at positioning chamber (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010136331XA CN101788074B (en) | 2010-03-30 | 2010-03-30 | Spherical electromagnetic valve at top end of sliding rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010136331XA CN101788074B (en) | 2010-03-30 | 2010-03-30 | Spherical electromagnetic valve at top end of sliding rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101788074A CN101788074A (en) | 2010-07-28 |
| CN101788074B true CN101788074B (en) | 2012-02-01 |
Family
ID=42531401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010136331XA Expired - Fee Related CN101788074B (en) | 2010-03-30 | 2010-03-30 | Spherical electromagnetic valve at top end of sliding rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101788074B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5687698A (en) * | 1996-08-29 | 1997-11-18 | General Motors Corporation | Exhaust gas recirculation valve |
| CN1588585A (en) * | 2004-07-15 | 2005-03-02 | 浙江大学 | Anti high voltage permanent magnet polarized two-way ratio electromagnet |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007032783A (en) * | 2005-07-29 | 2007-02-08 | Nachi Fujikoshi Corp | Solenoid valve |
| JP4453732B2 (en) * | 2007-09-14 | 2010-04-21 | 株式会社デンソー | solenoid valve |
-
2010
- 2010-03-30 CN CN201010136331XA patent/CN101788074B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5687698A (en) * | 1996-08-29 | 1997-11-18 | General Motors Corporation | Exhaust gas recirculation valve |
| CN1588585A (en) * | 2004-07-15 | 2005-03-02 | 浙江大学 | Anti high voltage permanent magnet polarized two-way ratio electromagnet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101788074A (en) | 2010-07-28 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHENGDA BEARING MACHINERY MANUFACTURING CO., LTD., Free format text: FORMER OWNER: ZHU WUHUA Effective date: 20111031 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20111031 Address after: 214191 Jiangsu province Wuxi city Xishan District Northeast Tang Jie Dao Yan Dai Cun Xiang Tianchi Road No. 1 Applicant after: Wuxi Zhengda Bearing Machinery Manufacturing Co.,Ltd. Address before: 214191 Jiangsu province Wuxi city Xishan District Northeast Tang Jie Dao Yan Dai Cun Xiang Tianchi Road No. 1 Wuxi Zhengda bearing Machinery Manufacturing Co. Ltd. Applicant before: Zhu Wuhua |
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| 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: 20120201 Termination date: 20160330 |
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| CF01 | Termination of patent right due to non-payment of annual fee |