CN110454598B - High-sealing flow-guiding type fire-proof check valve for fume exhaust - Google Patents
High-sealing flow-guiding type fire-proof check valve for fume exhaust Download PDFInfo
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- CN110454598B CN110454598B CN201910772748.6A CN201910772748A CN110454598B CN 110454598 B CN110454598 B CN 110454598B CN 201910772748 A CN201910772748 A CN 201910772748A CN 110454598 B CN110454598 B CN 110454598B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/40—Safety valves; Equalising valves, e.g. pressure relief valves with a fracturing member, e.g. fracturing diaphragm, glass, fusible joint
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- Check Valves (AREA)
Abstract
The invention discloses a high-sealing flow-guiding type fireproof check valve for oil smoke discharge, wherein one end of a valve body is an opening communicated with an exhaust passage, the other end of the valve body is provided with a left waist-shaped opening and a right waist-shaped opening, the outer sides of the left waist-shaped opening and the right waist-shaped opening are respectively provided with a left waist-shaped cover and a right waist-shaped cover, the outer side surface of each waist-shaped cover is provided with a button spring for pressing the waist-shaped covers, so that the waist-shaped covers are covered on the valve body through the button springs, and the left waist-shaped; the peripheries of the left and right waist-shaped covers are in the form of arc-shaped flanges, and grooves matched with the arc-shaped flanges are arranged outside the left and right waist-shaped openings of the valve body, so that the left and right waist-shaped openings are sealed by the left and right waist-shaped covers; a flow guide cover connected with the valve body is arranged on the outer side of the waist-shaped cover; and a fusing mechanism is arranged at the opening part on the side surface of the air guide sleeve. The invention has reasonable structure, convenient installation and use, fire resistance, energy conservation, environmental protection and good working performance.
Description
Technical Field
The invention relates to a fireproof check valve.
Background
The existing fireproof check valve for the ventilating duct system of the residential kitchen and bathroom has the advantages of single function, unsatisfactory working performance, no energy conservation, environmental protection, no fire prevention and further improvement due to the structure and other reasons.
Disclosure of Invention
The invention aims to provide a high-tightness flow-guiding type oil smoke discharging fireproof check valve which is reasonable in structure and good in working performance.
The technical solution of the invention is as follows:
the utility model provides a high airtight, water conservancy diversion formula oil extraction flue gas fire prevention check valve which characterized by: the exhaust passage valve comprises a valve body, wherein one end of the valve body is an opening communicated with an exhaust passage, the other end of the valve body is provided with a left waist-shaped opening and a right waist-shaped opening, the outer sides of the left waist-shaped opening and the right waist-shaped opening are respectively provided with a left waist-shaped cover and a right waist-shaped cover, the outer side surface of each waist-shaped cover is provided with a button spring for pressing the waist-shaped cover, the waist-shaped cover is covered on the valve body through the button springs, and the left waist; the peripheries of the left and right waist-shaped covers are in the form of arc-shaped flanges, and grooves matched with the arc-shaped flanges are arranged outside the left and right waist-shaped openings of the valve body, so that the left and right waist-shaped openings are sealed by the left and right waist-shaped covers;
a flow guide cover connected with the valve body is arranged on the outer side of the waist-shaped cover; the air guide sleeve is in a semi-cylindrical shape with closed periphery and top surface and open side surface, and is positioned at the corresponding position of the lower half parts of the left and right waist-shaped covers;
a U-shaped support frame fixedly connected with the air guide sleeve is arranged at the opening part on the side surface of the air guide sleeve, a left 7-shaped ejector rod mechanism and a right 7-shaped ejector rod mechanism are arranged at the top of the U-shaped support frame, and vertical arms of the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism are obliquely arranged leftwards and rightwards respectively; a cross arm of the left 7-shaped ejector rod mechanism and a cross arm of the right 7-shaped ejector rod mechanism are connected with a pin shaft sleeved with a button pressure spring, one end of the button pressure spring is propped against a groove on the U-shaped supporting frame, and one end of the button pressure spring is propped against a notch of the cross arm and extends out of the notch; the cross arms of the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism are respectively provided with a connecting hook for connecting a fuse piece, and the left end and the right end of the fuse piece are respectively connected with the connecting hooks on the cross arms of the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism; when the fuse link is not fused, the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism are separated from the left waist-shaped cover and the right waist-shaped cover; when the fuse link is in a fusing state, the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism rotate, so that the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism are respectively pressed on the left waist-shaped cover and the right waist-shaped cover under the action of the button pressure springs.
And a torsion spring of the waist-shaped pressing cover is sleeved on the torsion spring shaft.
The valve body is provided with a spring fastener fixed with an exhaust passage for exhausting the oil fume.
The invention has reasonable structure, convenient installation and use, fire resistance, energy conservation, environmental protection and good working performance. The valve body adopts a split door form, has the chimney effect resistance and excellent use performance; the specific air guide sleeve is arranged, so that the anti-noise effect is good; and a sealing form of matching the arc-shaped protruding edge and the groove is adopted, so that high sealing performance is realized.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of the left and right waist-shaped covers.
Fig. 3 is a schematic structural view of a button compression spring.
Detailed Description
A high airtight, diversion type oil smoke discharging fire-proof check valve, including valve block 1, one end of the valve block is an opening 2 communicating with exhaust passage, another end of the valve block sets up two left, right waist-shaped openings, the left, right waist-shaped opening outside sets up left, right waist- shaped cover 3, 4 separately, waist-shaped cover lateral surface is equipped with the button spring 5 pressing the waist-shaped cover, make the waist-shaped cover on the valve block through the button spring, left, right waist-shaped cover is to the split type; the peripheries of the left and right waist-shaped covers are in the form of arc-shaped flanges, and grooves 6 matched with the arc-shaped flanges are arranged outside the left and right waist-shaped openings of the valve body, so that the left and right waist-shaped openings are sealed by the left and right waist-shaped covers;
a flow guide cover 7 connected with the valve body is arranged on the outer side of the waist-shaped cover; the air guide sleeve is in a semi-cylindrical shape with closed periphery and top surface and open side surface, and is positioned at the corresponding position of the lower half parts of the left and right waist-shaped covers;
a U-shaped support frame 8 fixedly connected with the air guide sleeve is arranged at the opening part on the side surface of the air guide sleeve, a left 7-shaped ejector rod mechanism 9 and a right 7-shaped ejector rod mechanism 9 are arranged at the top of the U-shaped support frame, and vertical arms of the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism are obliquely arranged leftwards and rightwards respectively; a cross arm of the left 7-shaped ejector rod mechanism and a cross arm of the right 7-shaped ejector rod mechanism are connected with a pin shaft 10 sleeved with a button pressure spring 9, one end of the button pressure spring is propped in a groove 11 on the U-shaped supporting frame, and one end of the button pressure spring is propped on a gap 12 of the cross arm and extends out of the gap; the cross arms of the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism are respectively provided with a connecting hook 14 connected with a fuse piece 13, and the left end and the right end of the fuse piece are respectively connected with the connecting hooks on the cross arms of the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism; when the fuse link is not fused, the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism are separated from the left waist-shaped cover and the right waist-shaped cover; when the fuse link is in a fusing state, the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism rotate, so that the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism are respectively pressed on the left waist-shaped cover and the right waist-shaped cover under the action of the button pressure springs.
And a torsion spring of the waist-shaped pressing cover is sleeved on the torsion spring shaft. The valve body is provided with a spring buckle 15 fixed with an exhaust passage for exhausting the oil fume.
Claims (3)
1. The utility model provides a high airtight, water conservancy diversion formula oil extraction flue gas fire prevention check valve which characterized by: the exhaust passage valve comprises a valve body, wherein one end of the valve body is an opening communicated with an exhaust passage, the other end of the valve body is provided with a left waist-shaped opening and a right waist-shaped opening, the outer sides of the left waist-shaped opening and the right waist-shaped opening are respectively provided with a left waist-shaped cover and a right waist-shaped cover, the outer side surface of each waist-shaped cover is provided with a button spring for pressing the waist-shaped cover, the waist-shaped cover is covered on the valve body through the button springs, and the left waist; the peripheries of the left and right waist-shaped covers are in the form of arc-shaped flanges, and grooves matched with the arc-shaped flanges are arranged outside the left and right waist-shaped openings of the valve body, so that the left and right waist-shaped openings are sealed by the left and right waist-shaped covers;
a flow guide cover connected with the valve body is arranged on the outer side of the waist-shaped cover; the air guide sleeve is in a semi-cylindrical shape with closed periphery and top surface and open side surface, and is positioned at the corresponding position of the lower half parts of the left and right waist-shaped covers;
a U-shaped support frame fixedly connected with the air guide sleeve is arranged at the opening part on the side surface of the air guide sleeve, a left 7-shaped ejector rod mechanism and a right 7-shaped ejector rod mechanism are arranged at the top of the U-shaped support frame, and vertical arms of the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism are obliquely arranged leftwards and rightwards respectively; a cross arm of the left 7-shaped ejector rod mechanism and a cross arm of the right 7-shaped ejector rod mechanism are connected with a pin shaft sleeved with a button pressure spring, one end of the button pressure spring is propped against a groove on the U-shaped supporting frame, and one end of the button pressure spring is propped against a notch of the cross arm and extends out of the notch; the cross arms of the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism are respectively provided with a connecting hook for connecting a fuse piece, and the left end and the right end of the fuse piece are respectively connected with the connecting hooks on the cross arms of the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism; when the fuse link is not fused, the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism are separated from the left waist-shaped cover and the right waist-shaped cover; when the fuse link is in a fusing state, the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism rotate, so that the left 7-shaped ejector rod mechanism and the right 7-shaped ejector rod mechanism are respectively pressed on the left waist-shaped cover and the right waist-shaped cover under the action of the button pressure springs.
2. The highly enclosed, flow-guiding type fire-resistant check valve for oil smoke exhaust of claim 1, wherein: and a torsion spring of the waist-shaped pressing cover is sleeved on the torsion spring shaft.
3. The highly-enclosed, flow-guiding type fire-resistant check valve for oil smoke exhaust according to claim 1 or 2, wherein: the valve body is provided with a spring fastener fixed with an exhaust passage for exhausting the oil fume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910772748.6A CN110454598B (en) | 2019-08-21 | 2019-08-21 | High-sealing flow-guiding type fire-proof check valve for fume exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910772748.6A CN110454598B (en) | 2019-08-21 | 2019-08-21 | High-sealing flow-guiding type fire-proof check valve for fume exhaust |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110454598A CN110454598A (en) | 2019-11-15 |
| CN110454598B true CN110454598B (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910772748.6A Active CN110454598B (en) | 2019-08-21 | 2019-08-21 | High-sealing flow-guiding type fire-proof check valve for fume exhaust |
Country Status (1)
| Country | Link |
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| CN (1) | CN110454598B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6454237B1 (en) * | 2000-10-27 | 2002-09-24 | Delaware Capital Formation, Inc. | Air activated internal valve |
| CN203309217U (en) * | 2013-05-10 | 2013-11-27 | 盐城雷宇阀业有限公司 | Oil and smoke discharging and fireproof check valve |
| CN206159561U (en) * | 2016-11-10 | 2017-05-10 | 段爱国 | Check valve |
| CN208519227U (en) * | 2018-01-10 | 2019-02-19 | 纪呈孟 | Fireproof check valve for flue |
| CN110131449B (en) * | 2019-06-12 | 2024-07-02 | 南京协威机械有限公司 | Fireproof check valve and double-opening check door plate thereof |
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2019
- 2019-08-21 CN CN201910772748.6A patent/CN110454598B/en active Active
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| CN110454598A (en) | 2019-11-15 |
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