CN218954139U - Lever type gas self-closing valve - Google Patents
Lever type gas self-closing valve Download PDFInfo
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- CN218954139U CN218954139U CN202223499561.XU CN202223499561U CN218954139U CN 218954139 U CN218954139 U CN 218954139U CN 202223499561 U CN202223499561 U CN 202223499561U CN 218954139 U CN218954139 U CN 218954139U
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- lever
- closing valve
- self
- sliding block
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The utility model discloses a lever type gas self-closing valve, which comprises a self-closing valve main body, wherein a gas outlet and a gas inlet are arranged on the self-closing valve main body, a valve component for controlling the opening and the closing of the gas inlet is arranged at the gas inlet, a ball valve is arranged at the gas outlet, the lever type gas self-closing valve also comprises a lever, a first end of the lever is matched with the surface of a sliding block, a second end of the lever is positioned outside the gas inlet and is provided with a plug body matched with the gas inlet, namely a rubber ring, a positioning piece is fixed at the gas inlet, a bolt is fixed on the lever positioned in a lower cavity, and a spring is sleeved between the bolt and the positioning piece; the sliding block matched with the first end of the lever is a spherical surface, and the first end of the lever is a cambered surface. Compared with the prior art, the utility model has the advantages that: the utility model has simple structure, and the spherical sliding block can still be matched with the first end of the lever to finish the required work under the condition that the spherical sliding block rotates in time, wherein the spherical sliding block can also be in a football shape, namely, the surface is an arc surface matched with the first end of the lever.
Description
Technical Field
The utility model relates to the field of fuel gas self-closing valves, in particular to a lever type fuel gas self-closing valve.
Background
The self-closing valve for pipeline gas is installed on the pipeline of low-pressure gas system, and when the gas supply pressure of pipeline is under-pressure or over-pressure, it can be automatically closed and opened manually without using electricity or other external power. The self-closing valve has the functions of under-pressure, over-pressure, automatic closing under-pressure and manual resetting. When the air is stopped, the air supply is abnormal, the rubber tube falls off, and the like, the valve is automatically closed, so that leakage is prevented. When the existing self-closing valve is suddenly out of pressure, the control piston is easy to absorb the gas inlet, so that the control piston can be pushed open only by a large force when the valve is opened next time, the existing self-closing valve lifting rod and the lever are matched on one side, the lifting rod is lifted upwards, rotation is easy to occur, and the matched sliding block and the lever are easy to be separated to influence normal operation, so that the lever type gas self-closing valve for overcoming the defects is very important.
Disclosure of Invention
In order to solve at least one technical problem, the utility model provides a lever type gas self-closing valve, which comprises a self-closing valve main body, wherein a gas outlet and a gas inlet are arranged on the self-closing valve main body, a valve component for controlling the opening and closing of the gas inlet is arranged at the gas inlet, a ball valve is arranged at the gas outlet, the valve component comprises a fixed seat fixed in the self-closing valve main body and a sliding block axially movably arranged on the fixed seat, a magnetic steel sleeve is fixed on the sliding block, magnetic steel is fixed in the magnetic steel sleeve, the lever type gas self-closing valve also comprises an iron sleeve in threaded connection with the fixed seat, a first through hole for the sliding block to pass through is formed in the iron sleeve, and the top of the sliding block is fixedly connected with a lifting rod; the self-closing valve body is internally fixed with a diaphragm, the lifting rod passes through the diaphragm to be arranged, the diaphragm divides the self-closing valve body into an upper chamber and a lower chamber, and the valve component is positioned in the lower chamber; the magnetic steel and the iron sleeve are matched, so that the lifting rod is at the lowest end position under the action of no external force.
The gas inlet is fixedly provided with a positioning piece, a bolt is fixedly arranged on the lever positioned in the lower cavity, and a spring is sleeved between the bolt and the positioning piece; the sliding block matched with the first end of the lever is a spherical surface, and the first end of the lever is a cambered surface.
Through the technical scheme, the spherical sliding block can still cooperate with the first end of the lever to finish the required work under the condition that the spherical sliding block timely lifts the pull rod to rotate.
As one preferable mode, the bottom of the membrane is provided with a first inclined plane, and the upper surface of the lifting rod is provided with a first matching inclined plane matched with the first inclined plane. A first limiting ring is integrally formed on the diaphragm at the first inclined plane, and a first limiting groove matched with the first limiting ring is formed in the lifting rod.
Through above-mentioned technical scheme, the cooperation position of diaphragm bottom and lifting rod upper surface is the inclined plane, can increase sealed joint face, further increases the gas tightness to make lifting rod upwards lift in order to open the lever more high-efficient stability.
The device also comprises a pressing sheet, and the pressing sheet is pressed on the top of the membrane through a threaded connecting nut. The second limiting ring is integrally formed at the bottom of the pressing piece, the third limiting ring is integrally formed at the top of the diaphragm, and the diameter of the third limiting ring is smaller than that of the second limiting ring. The periphery of the pressing piece is integrally formed with a downward oblique bending, so that the sealing effect can be further improved.
The fixing seat is provided with a second through hole for the first end of the lever to pass through. The sliding block is fixedly provided with a fourth limiting ring, and the fixing seat is provided with a supporting table matched with the fourth limiting ring.
The gas inlet is characterized in that an anti-adsorption convex ring is integrally formed on the outer side of the gas outlet, an anti-adsorption convex ring is integrally formed on the periphery of the gas inlet, the contact area between the plug body and the gas inlet is reduced, the fact that the lifting rod needs larger force to jack up the control lever due to overlarge negative pressure is prevented, the convenience of a user is improved, and the diameter of the plug body is larger than that of the anti-adsorption convex ring.
The self-closing valve main body comprises an upper valve body and a lower valve body, wherein the lower valve body is provided with a sealing groove, the periphery of the diaphragm is integrally formed with a sealing ring matched with the sealing groove, and the diaphragm is integrally formed with a concave cambered surface.
Compared with the prior art, the utility model has the advantages that: the utility model has simple structure, and the spherical sliding block can still be matched with the first end of the lever to finish the required work under the condition that the spherical sliding block rotates in time, wherein the spherical sliding block can also be in a football shape, namely, the surface is an arc surface matched with the first end of the lever.
Drawings
FIG. 1 is a cross-sectional perspective view of a self-closing valve body of the present utility model;
FIG. 2 is an enlarged view of the utility model at A of FIG. 1;
FIG. 3 is an exploded view of the valve assembly;
reference numerals: 1-a fuel gas outlet; 2-a gas inlet; 3-ball valve; 4-anti-adsorption convex rings;
501-a fixed seat; 502-a slider; 504-a magnetic steel sleeve; 505-magnetic steel; 506-iron sleeve; 508-a lifting rod;
601-lever; 602-plug body; 603-positioning piece; 604-a plug pin; 605-a spring;
901-upper valve body;
1001-lower valve body; 1002-sealing groove;
11-a membrane; 1101-first bevel; 1102-a first mating ramp; 1103-first stop collar; 1104-a first limit groove; 1105-a third stop collar; 1106-sealing ring; 1107-concave arc surface;
12-tabletting; 1201 a second stop collar; 1202-bending;
13-an upper chamber; 14-a lower chamber;
Detailed Description
The utility model will be described in detail below with respect to certain specific embodiments thereof in order to better understand the utility model and thereby to more clearly define the scope of the utility model as claimed. It should be noted that the following description is only some embodiments of the inventive concept and is only a part of examples of the present utility model, wherein the specific direct description of the related structures is only for the convenience of understanding the present utility model, and the specific features do not naturally and directly limit the implementation scope of the present utility model.
Referring to the drawings, the utility model adopts the following technical scheme that the lever type gas self-closing valve comprises a self-closing valve main body, wherein a gas outlet 1 and a gas inlet 2 are arranged on the self-closing valve main body, a valve component for controlling the opening and closing of the gas inlet 2 is arranged at the gas inlet 2, a ball valve 3 is arranged at the gas outlet 1, the valve component comprises a fixed seat 501 fixed in the self-closing valve main body and a sliding block 502 axially movably arranged on the fixed seat 501, a magnetic steel sleeve 504 is fixed on the sliding block 502, magnetic steel 505 is fixed in the magnetic steel sleeve 504, the lever type gas self-closing valve further comprises an iron sleeve 506 in threaded connection with the fixed seat 501, a first through hole for the sliding block 502 to penetrate is formed in the iron sleeve 506, and a lifting rod 508 is fixedly connected to the top of the sliding block 502; a diaphragm 11 is fixed in the self-closing valve main body, a lifting rod 508 passes through the diaphragm 11, the diaphragm 11 divides the self-closing valve main body into an upper chamber 13 and a lower chamber 14, and a valve component is positioned in the lower chamber 14; the magnetic steel 505 and the iron sleeve 506 cooperate to enable the lifting rod 508 to be at the lowest end position without external force.
The fixing base 501 is fixed or integrally formed on the lower valve body 1001.
The gas combustion device further comprises a lever 601, wherein a first end of the lever 601 is matched with the surface of the sliding block 502, a second end of the lever is positioned outside the gas inlet 2 and is provided with a plug body 602 matched with the gas inlet 2, namely a rubber ring, a positioning piece 603 is fixed at the gas inlet 2, a plug pin 604 is fixed on the lever 601 positioned in the lower chamber 14, and a spring 605 is sleeved between the plug pin 604 and the positioning piece 603; the slider 502, which mates with the first end of the lever 601, is spherical and the first end of the lever 601 is cambered.
Through the above technical scheme, under the condition that the spherical sliding block 502 and the lifting rod 508 rotate, the spherical sliding block 502 can still cooperate with the first end of the lever 601 to complete the required work.
As a preferable mode, a first inclined surface 1101 is formed at the bottom of the diaphragm 11, and a first matching inclined surface 1102 matched with the first inclined surface 1101 is formed on the upper surface of the lifting rod 508. A first stop collar 1103 is integrally formed on the diaphragm 11 at the first inclined plane 1101, and a first stop groove 1104 matched with the first stop collar 1103 is formed on the lifting rod 508.
Through above-mentioned technical scheme, the cooperation position of diaphragm 11 bottom and lifting rod 508 upper surface is the inclined plane, can increase sealed joint face, further increases the gas tightness to make lifting rod 508 upwards lift in order to open lever 601 more high-efficient stable.
The device also comprises a pressing piece 12, wherein the pressing piece 12 is pressed on the top of the membrane 11 through a threaded connection nut. The bottom of the pressing sheet 12 is integrally provided with a second limiting ring 1201, the top of the diaphragm 11 is integrally provided with a third limiting ring 1105, and the diameter of the third limiting ring 1105 is smaller than that of the second limiting ring 1201. The periphery of the pressing sheet 12 is integrally formed with a bend 1202 obliquely downward, so that the sealing effect can be further improved.
The fixing base 501 is provided with a second through hole for the first end of the lever 601 to pass through. A fourth limiting ring is fixed on the sliding block 502, and a supporting table matched with the fourth limiting ring is arranged on the fixed seat 501.
The anti-adsorption convex ring 4 is integrally formed on the outer side of the gas outlet 1, the anti-adsorption convex ring 4 is integrally formed on the circumferential side of the gas inlet 2, the contact area between the plug body 602 and the gas inlet 2 is reduced, the fact that the lifting rod 508 needs larger force to jack the control lever 601 due to overlarge negative pressure is prevented, the convenience of a user is improved, and the diameter of the plug body 602 is larger than that of the anti-adsorption convex ring 4.
The self-closing valve body comprises an upper valve body 901 and a lower valve body 1001, a sealing groove 1002 is formed in the lower valve body 1001, a sealing ring 1106 matched with the sealing groove 1002 is integrally formed on the periphery of the diaphragm 11, and a concave arc surface 1107 is integrally formed on the diaphragm 11.
The upper valve body 901 and the lower valve body 1001 may be connected by welding, a clamp connection, a screw connection or other fixed connection.
Compared with the prior art, the utility model has the advantages that: the utility model has simple structure, and the spherical sliding block 502 can still be matched with the first end of the lever 601 to finish the required work under the condition of rotating the lifting rod 508, wherein the spherical sliding block 502 can also be in a football shape, namely, the surface is an arc surface matched with the first end of the lever 601.
The above description is not intended to limit the utility model to the particular embodiments disclosed, but to limit the utility model to the particular embodiments disclosed, as many variations, modifications, additions and substitutions are possible, without departing from the scope and spirit of the utility model as disclosed in the accompanying claims.
Claims (10)
1. The utility model provides a lever gas self-closing valve, includes the self-closing valve main part, be equipped with gas outlet (1), gas inlet (2) in the self-closing valve main part, gas inlet (2) department is equipped with the valve assembly that control gas inlet (2) were opened and close, gas outlet (1) department is equipped with ball valve (3), its characterized in that: the valve assembly comprises a fixed seat (501) fixed in a self-closing valve main body and a sliding block (502) axially movably arranged on the fixed seat (501), wherein a magnetic steel sleeve (504) is fixed on the sliding block (502), magnetic steel (505) is fixed in the magnetic steel sleeve (504), the valve assembly further comprises an iron sleeve (506) in threaded connection with the fixed seat (501), a first through hole for the sliding block (502) to penetrate is formed in the iron sleeve (506), and a lifting rod (508) is fixedly connected to the top of the sliding block (502);
a diaphragm (11) is fixed in the self-closing valve main body, a lifting rod (508) passes through the diaphragm (11) to be arranged, the diaphragm (11) divides the self-closing valve main body into an upper chamber (13) and a lower chamber (14), and a valve component is positioned in the lower chamber (14);
the gas combustion device comprises a gas inlet (2), and is characterized by further comprising a lever (601), wherein a first end of the lever (601) is matched with the surface of the sliding block (502), a second end of the lever is positioned outside the gas inlet (2) and is provided with a plug body (602) matched with the gas inlet (2), a positioning piece (603) is fixed at the gas inlet (2), a plug pin (604) is fixed on the lever (601) positioned in the lower chamber (14), and a spring (605) is sleeved between the plug pin (604) and the positioning piece (603);
the sliding block (502) matched with the first end of the lever (601) is a spherical surface, and the first end of the lever (601) is a cambered surface.
2. The lever type gas self-closing valve as recited in claim 1, wherein: a first inclined plane (1101) is formed in the bottom of the diaphragm (11), and a first matching inclined plane (1102) matched with the first inclined plane (1101) is formed in the upper surface of the lifting rod (508).
3. The lever type gas self-closing valve as recited in claim 2, wherein: a first limiting ring (1103) is integrally formed on the diaphragm (11) positioned at the first inclined plane (1101), and a first limiting groove (1104) matched with the first limiting ring (1103) is formed on the lifting rod (508).
4. The lever type gas self-closing valve as recited in claim 1, wherein: the device also comprises a pressing piece (12), and the pressing piece (12) is pressed on the top of the membrane (11) through a threaded connection nut.
5. The lever type gas self-closing valve as recited in claim 4, wherein: the bottom of the pressing piece (12) is integrally formed with a second limiting ring (1201), the top of the diaphragm (11) is integrally formed with a third limiting ring (1105), and the diameter of the third limiting ring (1105) is smaller than that of the second limiting ring (1201).
6. The lever type gas self-closing valve as recited in claim 1, wherein: the fixing seat (501) is provided with a second through hole for the first end of the lever (601) to pass through.
7. The lever type gas self-closing valve as recited in claim 1, wherein: the sliding block (502) is fixedly provided with a fourth limiting ring, and the fixing seat (501) is provided with a supporting table matched with the fourth limiting ring.
8. The lever type gas self-closing valve as recited in claim 1, wherein: an anti-adsorption convex ring (4) is integrally formed at the outer side of the fuel gas outlet (1).
9. The lever type gas self-closing valve as recited in claim 5, wherein: the periphery of the pressing piece (12) is integrally formed with a downward-inclined bending (1202).
10. The lever type gas self-closing valve as recited in claim 1, wherein: the self-closing valve body comprises an upper valve body (901) and a lower valve body (1001), a sealing groove (1002) is formed in the lower valve body (1001), a sealing ring (1106) matched with the sealing groove (1002) is integrally formed on the periphery of the diaphragm (11), and a concave cambered surface (1107) is integrally formed on the diaphragm (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223499561.XU CN218954139U (en) | 2022-12-22 | 2022-12-22 | Lever type gas self-closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223499561.XU CN218954139U (en) | 2022-12-22 | 2022-12-22 | Lever type gas self-closing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218954139U true CN218954139U (en) | 2023-05-02 |
Family
ID=86102258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223499561.XU Active CN218954139U (en) | 2022-12-22 | 2022-12-22 | Lever type gas self-closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218954139U (en) |
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2022
- 2022-12-22 CN CN202223499561.XU patent/CN218954139U/en active Active
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