CN202868012U - Heavy-caliber trace vent valve with pressure - Google Patents
Heavy-caliber trace vent valve with pressure Download PDFInfo
- Publication number
- CN202868012U CN202868012U CN 201220520204 CN201220520204U CN202868012U CN 202868012 U CN202868012 U CN 202868012U CN 201220520204 CN201220520204 CN 201220520204 CN 201220520204 U CN201220520204 U CN 201220520204U CN 202868012 U CN202868012 U CN 202868012U
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- China
- Prior art keywords
- valve
- end lever
- spool
- trace
- ball float
- 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 - Lifetime
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model discloses a heavy-caliber trace vent valve with pressure. The heavy-caliber trace vent valve with the pressure comprises a valve body, a valve cover is arranged at the upper end of the valve body, a floating ball is arranged inside the valve body, a valve element is arranged below the exhaust port of the valve cover, and the floating ball is connected with the valve element through a toggle linkage mechanism. The valve end lever and the floating ball end lever of the toggle linkage mechanism are respectively hinged with a connecting rod, and the floating ball end lever and the valve element end lever are hinged on the valve body. The hinge point of the floating ball end lever is close to the connecting rod of the toggle linkage mechanism, and the hinge point of the valve element end lever is close to the valve element. The gravity and the buoyancy of the floating ball is amplified twice through the toggle linkage mechanism, an exhaust port with a bigger area than the trace exhaust port of a conventional trace vent valve can exhaust more gas than the conventional trace vent valve, and the trace venting requirements under various conditions are achieved.
Description
Technical field
The utility model relates to a kind of outlet valve, relates in particular to a kind of micro-exhaust valve.
Background technique
Present composite exhaust valve generally is comprised of main exhaust valve and micro-exhaust valve, often main exhaust valve is discharged with no pressure or low-pressure air, micro-exhaust valve is discharged a small amount of high-pressure air, the main exhaust valve general work time short (when pipeline opens pump and termination of pumping), and micro-exhaust valve is all being worked in whole water supply process, therefore the air displacement of micro-exhaust valve is just very important, and the air of separating out in the long-distance large-caliber pipeline again is often a lot, to the higher requirement of venting capacity proposition of micro-exhaust valve.
Summary of the invention
The utility model purpose is to provide the more general micro-exhaust valve of a kind of air displacement much larger, the while compact structure, and sealing has the heavy caliber of pressure micro-exhaust valve reliably.
The technical solution adopted in the utility model is: a kind of have press the heavy caliber micro-exhaust valve, comprise valve body, the valve body upper end is provided with valve gap, is provided with ball float in the valve body, the relief opening below on the valve gap is provided with spool, it is characterized in that:
Be connected for toggle linkage mechanism between ball float and the spool;
Toggle linkage mechanism comprises spool end lever, connecting rod and ball float end lever, and spool end lever, ball float end lever are hinged with connecting rod respectively, and ball float end lever and spool end lever are hinged on the valve body.Spool is connected with spool end lever end.
The connecting rod of the close described toggle linkage of the articulating point of described ball float end lever mechanism, the articulating point of spool end lever is near spool.
The beneficial effects of the utility model are: by the toggle linkage structure with ball float gravity and twice amplification of buoyancy, can once discharge more gas than conventional micro-exhaust valve by the relief opening larger than the micro-exhaust port area of conventional micro-exhaust valve again, realize the micro-air displacement demand under the various conditions.
Description of drawings
Fig. 1 has the heavy caliber of pressure micro-exhaust valve structure diagram
Embodiment
As shown in Figure 1, have the heavy caliber of pressure micro-exhaust valve to comprise valve body 1, valve body 1 upper end is provided with valve gap 2, is provided with ball float 3 in the valve body 1, and relief opening 9 belows on the valve gap 2 are provided with spool 4; Be connected by toggle linkage mechanism between ball float 3 and the spool 4; Toggle linkage mechanism comprises spool end lever 6, connecting rod 7 and ball float end lever 5; Spool end lever 6 one ends and spool 4 are hinged, and an end and connecting rod 7 are hinged; Ball float end lever 5 one ends and ball float 3 are hinged, and an end and connecting rod 7 are hinged; Ball float end lever 5 and spool end lever 6 all are hinged on the valve body 1; The articulating point 10 of ball float end lever 5 is near connecting rod 7, and the articulating point 11 of spool end lever 6 is near spool 4.
When air drains, with ball float 3 jack-up, ball float end lever 5 and ball float 3 hinged ends rise water from valve flowing channel 8 interior inflows, and ball float end lever 5 and connecting rod 7 hinged ends descend, because articulating point 10 is near connecting rod 7, by ball float 3 buoyancy controls are once amplified.Connecting rod 7 descends, and descends with movable valve plug end lever 6 and connecting rod 7 hinged ends, and spool end lever 6 and spool 4 hinged ends rise, because articulating point 11 is near spools 4, by ball float 3 buoyancy control secondaries are amplified.The ball float buoyancy of twice amplification can be realized more reliable sealing, guarantees the excellent sealing of valve under medium low pressure even with no pressure.
When the pipeline Air enters valve, water level descends in the valve, ball float descends under Action of Gravity Field, the movement process of ball float 3, spool 4 and toggle linkage mechanism is with above-mentioned opposite, when pressure reduction is larger in the valve, because the gravity of ball float 3 has passed through twice amplification, the lower pulling force that acts on the spool 4 is very large, can open the valve normal exhaust, therefore, this structure can be implemented in normally with pressure, exhaust under the condition of larger relief opening.
Claims (2)
1. one kind has the heavy caliber of pressure micro-exhaust valve, comprises valve body, and the valve body upper end is provided with valve gap, is provided with ball float in the valve body, and the relief opening below on the valve gap is provided with spool, it is characterized in that:
Be connected for toggle linkage mechanism between ball float and the spool;
Toggle linkage mechanism comprises spool end lever, connecting rod and ball float end lever, and spool end lever, ball float end lever are hinged with connecting rod respectively, and ball float end lever and spool end lever are hinged on the valve body, and spool is connected with spool end lever end.
2. a kind of heavy caliber of pressure micro-exhaust valve that has as claimed in claim 1 is characterized in that: the connecting rod of the close described toggle linkage of the articulating point of described ball float end lever mechanism, the close spool of the articulating point of spool end lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220520204 CN202868012U (en) | 2012-10-10 | 2012-10-10 | Heavy-caliber trace vent valve with pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220520204 CN202868012U (en) | 2012-10-10 | 2012-10-10 | Heavy-caliber trace vent valve with pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202868012U true CN202868012U (en) | 2013-04-10 |
Family
ID=48034732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220520204 Expired - Lifetime CN202868012U (en) | 2012-10-10 | 2012-10-10 | Heavy-caliber trace vent valve with pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202868012U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470837A (en) * | 2013-09-18 | 2013-12-25 | 武汉大禹阀门股份有限公司 | Anti-scaling type trace exhaust valve |
| CN109973699A (en) * | 2019-03-08 | 2019-07-05 | 河南宇宙流体科技有限公司 | A kind of efficient high-speed exhaust valve |
-
2012
- 2012-10-10 CN CN 201220520204 patent/CN202868012U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470837A (en) * | 2013-09-18 | 2013-12-25 | 武汉大禹阀门股份有限公司 | Anti-scaling type trace exhaust valve |
| CN103470837B (en) * | 2013-09-18 | 2016-04-20 | 武汉大禹阀门股份有限公司 | Scale protective type micro-exhaust valve |
| CN109973699A (en) * | 2019-03-08 | 2019-07-05 | 河南宇宙流体科技有限公司 | A kind of efficient high-speed exhaust valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |
|
| CX01 | Expiry of patent term |