CN212004422U - Gas valve floater break-make case - Google Patents
Gas valve floater break-make case Download PDFInfo
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- CN212004422U CN212004422U CN202020629516.3U CN202020629516U CN212004422U CN 212004422 U CN212004422 U CN 212004422U CN 202020629516 U CN202020629516 U CN 202020629516U CN 212004422 U CN212004422 U CN 212004422U
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- ball
- chamber
- floating ball
- air inlet
- valve
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Abstract
The utility model relates to the technical field of valves, in particular to a gas valve floating ball on-off valve core, which comprises a main channel, a valve base body, a floating ball, a ball chamber, an elastic restoring piece, a pressure regulating channel, a slow storage chamber and a restoring mechanism, wherein the main channel, the ball chamber and the slow storage chamber are all arranged on the valve base body; the ball chamber is provided with an air inlet and an air outlet, the air inlet and the air outlet are communicated with the main channel, and the buffer chamber is arranged on one side of the ball chamber and is communicated with the ball chamber; the pressure regulating channel is arranged on the first annular blocking part and is arranged in parallel with the air inlet, and the diameter of the pressure regulating channel is smaller than that of the air inlet; the floating ball is movably arranged in the ball chamber, the diameter of the floating ball is larger than the caliber of the buffer chamber, and the floating ball is connected with the recovery mechanism through the elastic recovery piece. The utility model discloses a gas valve floating ball on-off valve core, which can realize the circuit breaking without external force when the flowing gas flow is suddenly increased; after the circuit is broken, the floating ball can be reset to a normal position, and the gas passage is conducted again.
Description
Technical Field
The utility model relates to the technical field of valves, especially, relate to a gas valve floater break-make case.
Background
The valve core of the gas valve is used for switching on and off the gas passage, so that the effect of opening and closing the gas is achieved. The valve core of a common gas valve can interrupt a passage by means of external force, for example, a ball valve can be closed only by manual or electric operation, and the passage cannot be automatically closed under certain conditions by utilizing the structure of the valve core. The safety valve is designed to automatically close the valve to avoid more fuel gas leakage during overcurrent and overtemperature, and the valve core capable of automatically blocking a passage under the overcurrent condition can be well applied to the safety valve core.
Therefore, it is necessary to provide a float ball on-off valve core of a gas valve, which can shut off a gas passage by using its own structure and can restore to conduct the gas passage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gas valve floater break-make case to prior art's not enough, usable self structure realizes breaking the gas access, switches on the gas access with the help of external force retrieval.
In order to achieve the purpose, the utility model discloses a gas valve floater on-off valve core, including main channel and valve base member, both ends of the valve base member are provided with connecting screw thread, and also includes a floating ball, a ball chamber, an elastic restoring member, a pressure regulating channel, a slow storage chamber and a restoring mechanism for restoring the floating ball by pressing, and the main channel, the ball chamber and the slow storage chamber are all arranged on the valve base member; the ball chamber is provided with an air inlet and an air outlet, the air inlet and the air outlet are communicated with the main channel, and the caliber of the air outlet is smaller than the diameter of the floating ball; an annular baffle part I and an annular baffle part II are arranged between the ball chamber and the main channel, and an air inlet and an air outlet are respectively arranged on the annular baffle part I and the annular baffle part II; the ball chamber and the slow storage chamber are arranged between the first annular baffle part and the second annular baffle part; the slow storage chamber is arranged on one side of the ball chamber and is communicated with the ball chamber; the pressure regulating channel is arranged on the first annular blocking part and is arranged in parallel with the air inlet, and the diameter of the pressure regulating channel is smaller than that of the air inlet; the floating ball is movably arranged in the ball chamber, the diameter of the floating ball is larger than the caliber of the buffer chamber, and the floating ball is connected with the recovery mechanism through the elastic recovery piece. The diameter of the pressure regulating channel is 0.21-0.45 times of the diameter of the main channel.
Preferably, the open end of slow reservoir is provided with the butt cambered surface that is used for with the floater contact, and the position that the butt cambered surface is close to the air inlet is provided with a breach, and when the floater butt was in the butt cambered surface, the air current accessible breach from the pressure regulating channel flow direction slow reservoir got into the ball room.
Preferably, the pressure regulating channel is axially parallel to the air inlet.
Preferably, the restoring mechanism comprises a supporting body connected with the valve base body, a pressing part and a spring for restoring the position of the pressing part, the pressing part is arranged on the supporting body in a reciprocating manner, two ends of the spring are respectively connected with the supporting body and the pressing part, and two ends of the elastic restoring part are respectively connected with the floating ball and the pressing part.
Preferably, the support body is screwed to the valve base body.
Preferably, the elastic restoring member is a spring.
The utility model has the advantages that: the utility model discloses a gas valve floating ball on-off valve core, which can realize the circuit breaking when the flowing gas flow is suddenly increased, and can realize the circuit breaking without external force; after the circuit is broken, the floating ball can be reset to a normal position by pressing the recovery mechanism, the gas passage is conducted again, and the gas-burning device can be used repeatedly.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram of the structure viewed from the right side of the present invention.
Fig. 3 is a schematic sectional view in the direction of a-a in fig. 2.
Fig. 4 is a schematic view of the three-dimensional exploded structure of the present invention.
The reference numerals include:
1-valve base body 11-annular baffle part I12-annular baffle part II
2-main channel 3-floating ball
4-ball chamber 41-air inlet 42-air outlet
5-elastic restoring piece 6-pressure regulating channel
7-buffer reservoir 71-gap
8-recovery mechanism 81-support 82-pressing member.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the utility model discloses a gas valve floater make-and-break valve core, including main channel 2 and valve base body 1, both ends of valve base body 1 are provided with connecting screw, still include floater 3, ball room 4, elasticity resume piece 5, pressure regulating channel 6, slow reservoir 7 and be used for through pressing the recovery mechanism 8 that makes floater 3 reset, main channel 2, ball room 4, slow reservoir 7 all set up in valve base body 1; the ball chamber 4 is provided with an air inlet 41 and an air outlet 42, the air inlet 41 and the air outlet 42 are communicated with the main channel 2, and the caliber of the air outlet 42 is smaller than the diameter of the floating ball 3; an annular baffle part I11 and an annular baffle part II 12 are arranged between the ball chamber 4 and the main channel 2, and the air inlet 41 and the air outlet 42 are respectively arranged on the annular baffle part I11 and the annular baffle part II 12; the ball chamber 4 and the buffer chamber 7 are both arranged between the first annular baffle part 11 and the second annular baffle part 12; the slow storage chamber 7 is arranged at one side of the ball chamber 4 and is communicated with the ball chamber 4; the pressure regulating channel 6 is arranged on the first annular blocking part 11 and is arranged in parallel with the air inlet 41, and the diameter of the pressure regulating channel 6 is smaller than that of the air inlet 41; the floating ball 3 is movably arranged in the ball chamber 4, the diameter of the floating ball 3 is larger than the caliber of the buffer chamber 7, and the floating ball 3 is connected with the recovery mechanism 8 through the elastic recovery piece 5. The utility model discloses a gas valve floater break-make case, under normal conditions, floater 3 is pressed in the open end of slow storage chamber 7 under the effect of elastic restoring piece 5, and the air current mainly gets into ball room 4 through air inlet 41, flows into main entrance 2 from gas outlet 42, and partial air current gets into slow storage chamber 7 through pressure regulating channel 6, and when the effort that the atmospheric pressure of slow storage chamber 7 produced floater 3 can't overcome the opposite direction effort that floater 3 received, floater 3 keeps contacting with the open end of slow storage chamber 7, and the gas can normally get into ball room 4 through air inlet 41, flows into main entrance 2 from gas outlet 42 and is the route; if the air flow is suddenly increased, the acting force of the air pressure of the buffer storage chamber 7 on the floating ball 3 overcomes the opposite acting force borne by the floating ball 3 to push the floating ball 3 to the direction close to the air outlet 42, the floating ball 3 is pushed to the air outlet 42 by the air flow flowing in from the air inlet in the horizontal direction to block the air outlet 42, and the fuel gas is cut off.
After the floating ball 3 blocks the air outlet 42, the floating ball 3 can be reset to a normal position by pressing the recovery mechanism 8, and the gas passage is conducted again.
The utility model discloses a gas valve floating ball on-off valve core, which can realize the circuit breaking when the flowing gas flow is suddenly increased, and can realize the circuit breaking without external force; after the circuit is broken, the floating ball 3 can be reset to the normal position by pressing the recovery mechanism 8, the gas passage is conducted again, and the gas-burning device can be used repeatedly.
Specifically, the diameter of the pressure regulating channel 6 is 0.21-0.45 times of the diameter of the main channel 2. The utility model discloses a gas valve floater break-make case, the sensitivity of the open circuit of floater 3 is high.
Preferably, an abutting arc surface for contacting with the floating ball 3 is arranged at the opening end of the buffer storage chamber 7, a notch 71 is arranged at a position of the abutting arc surface close to the air inlet 41, and when the floating ball 3 abuts against the abutting arc surface, the air flow flowing from the pressure regulating channel 6 to the buffer storage chamber 7 can enter the ball chamber 4 through the notch 71. The utility model discloses a gas valve floater break-make case flows to the air current accessible breach 71 entering ball room 4 of slow reservoir 7 from pressure regulating channel 6 for when the flow increases suddenly, thereby the sensitive effort that promotes floater 3 of production that can rise fast of the atmospheric pressure of slow reservoir 7.
Specifically, the pressure regulating passage 6 is axially parallel to the air inlet 41.
Preferably, the restoring mechanism 8 includes a support 81 connected to the valve base 1, a pressing member 82, and a spring for restoring the position of the pressing member 82, the pressing member 82 is disposed on the support 81 so as to be capable of reciprocating, both ends of the spring are connected to the support 81 and the pressing member 82, respectively, and both ends of the elastic restoring member 5 are connected to the float 3 and the pressing member 82, respectively. The utility model discloses a gas valve floater break-make case resumes simple structure, and the back of opening a circuit presses down pressing part 82 and can make floater 3 reset to normal position, realizes switching on the gas route again, can use repeatedly.
Specifically, the support 81 is connected to the valve base 1 by a screw thread. Specifically, the elastic restoring member 5 is a spring.
In conclusion, the present invention has the above-mentioned excellent characteristics, so that it can be used to enhance the effectiveness of the prior art and has practicability, and thus it is a product with practical value.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (6)
1. The utility model provides a gas valve floater break-make case, includes main entrance and valve base member, its characterized in that: the pressure-regulating valve further comprises a floating ball, a ball chamber, an elastic restoring piece, a pressure-regulating channel, a slow storage chamber and a restoring mechanism for restoring the floating ball by pressing, wherein the main channel, the ball chamber and the slow storage chamber are all arranged on the valve base body;
the ball chamber is provided with an air inlet and an air outlet, the air inlet and the air outlet are communicated with the main channel, and the caliber of the air outlet is smaller than the diameter of the floating ball; an annular baffle part I and an annular baffle part II are arranged between the ball chamber and the main channel, and an air inlet and an air outlet are respectively arranged on the annular baffle part I and the annular baffle part II; the ball chamber and the slow storage chamber are arranged between the first annular baffle part and the second annular baffle part;
the slow storage chamber is arranged on one side of the ball chamber and is communicated with the ball chamber;
the pressure regulating channel is arranged on the first annular blocking part and is arranged in parallel with the air inlet, and the diameter of the pressure regulating channel is smaller than that of the air inlet;
the floating ball is movably arranged in the ball chamber, the diameter of the floating ball is larger than the caliber of the buffer chamber, and the floating ball is connected with the recovery mechanism through the elastic recovery piece.
2. The gas valve float on-off valve core of claim 1, characterized in that: the open end of slow reservoir is provided with the butt cambered surface that is used for with the floater contact, and the position that the butt cambered surface is close to the air inlet is provided with a breach, and when the floater butt was in the butt cambered surface, the air current accessible breach from the pressure regulating channel flow direction slow reservoir got into the ball room.
3. The gas valve float on-off valve core of claim 1, characterized in that: the pressure regulating channel is axially parallel to the air inlet.
4. The gas valve float on-off valve core of claim 1, characterized in that: the recovery mechanism comprises a supporting body connected with the valve base body, a pressing part and a spring for recovering the position of the pressing part, the pressing part can be arranged on the supporting body in a reciprocating mode, two ends of the spring are respectively connected with the supporting body and the pressing part, and two ends of the elastic recovery part are respectively connected with the floating ball and the pressing part.
5. The gas valve float on-off valve core of claim 4, characterized in that: the support body is in threaded connection with the valve base body.
6. The gas valve float on-off valve core of claim 1, characterized in that: the elastic restoring member is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020629516.3U CN212004422U (en) | 2020-04-24 | 2020-04-24 | Gas valve floater break-make case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020629516.3U CN212004422U (en) | 2020-04-24 | 2020-04-24 | Gas valve floater break-make case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212004422U true CN212004422U (en) | 2020-11-24 |
Family
ID=73405302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020629516.3U Active CN212004422U (en) | 2020-04-24 | 2020-04-24 | Gas valve floater break-make case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212004422U (en) |
-
2020
- 2020-04-24 CN CN202020629516.3U patent/CN212004422U/en active Active
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