CN213298829U - Sectional gas proportional valve - Google Patents
Sectional gas proportional valve Download PDFInfo
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- CN213298829U CN213298829U CN202021028141.1U CN202021028141U CN213298829U CN 213298829 U CN213298829 U CN 213298829U CN 202021028141 U CN202021028141 U CN 202021028141U CN 213298829 U CN213298829 U CN 213298829U
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Abstract
The utility model relates to a segmentation gas proportional valve, including the steady voltage section, be equipped with the surge damping valve on the steady voltage section, steady voltage section intercommunication has first partial pressure section, first partial pressure section intercommunication has the second partial pressure section, be equipped with one end open-ended annular surrounding edge in the first partial pressure section, steady voltage section and first partial pressure section intercommunication department with the space intercommunication that the annular surrounding edge encloses, be equipped with first stop valve on the first partial pressure section, first stop valve includes the case, the case is located in the annular surrounding edge, the case has the shut-off position and switches on the position, when the case is in the shut-off position, the case seals the opening of annular surrounding edge forms the cavity that only communicates with the steady voltage section, when the case is in the position of switching on, the case does not seal the opening of annular surrounding edge. The method has the advantage that when at least two partial pressure sections exist, the air outlet of all partial pressure sections is rapidly disconnected.
Description
Technical Field
The utility model belongs to the technical field of the gas equipment technique and specifically relates to a segmentation gas proportional valve is related to.
Background
At present, the gas proportional valve is an important component in a gas water heater, a wall-mounted furnace or a gas stove, and the on-off of gas and the supply speed of the gas can be controlled through the gas proportional valve, so that the use safety of the gas water heater, the wall-mounted furnace or the gas stove is improved.
In the prior art, a chinese patent with publication number CN208935505U discloses a sectional gas proportional valve, which solves the problem of poor gas regulation precision of the gas proportional valve in the prior art, and the key point of the technical scheme is a sectional gas proportional valve, which comprises a main valve body and a sectional valve body, wherein the main valve body comprises a stop valve part and a pressure stabilizing valve part, one side of the stop valve part is integrally formed with an air inlet pipe by die casting, and a first gas channel is arranged in the main valve body; the segmented valve body comprises two segmented parts, wherein second fuel gas channels are formed in the two segmented parts, the two second fuel gas channels are respectively communicated with the first fuel gas channels, and one side of each segmented part is provided with a gas outlet. When the required hot water temperature is lower, only one section valve needs to be opened to obtain enough gas supply quantity, and when the required hot water temperature is higher, two section valves can be simultaneously opened to obtain larger gas supply quantity.
The above prior art solutions have the following drawbacks: after the two segment valves are opened and closed, the two segment valves need to be closed respectively, so that the disconnection and air outlet of the two segment valves are not rapid enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a segmentation gas proportional valve has when having two at least partial pressure sections, makes all partial pressure sections give vent to anger the advantage of disconnection rapidly.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a sectional gas proportional valve comprises a pressure stabilizing section, wherein a pressure stabilizing valve is arranged on the pressure stabilizing section, the pressure stabilizing section is communicated with a first partial pressure section, the first partial pressure section is communicated with a second partial pressure section, an annular surrounding edge with one open end is arranged in the first partial pressure section, the pressure stabilizing section is communicated with a space surrounded by the first partial pressure section and the annular surrounding edge, a first stop valve is arranged on the first partial pressure section, the first stop valve comprises a valve core, the valve core is positioned in the annular surrounding edge, the valve core is provided with a stop position and a conduction position, when the valve core is positioned at the stop position, the valve core closes an opening of the annular surrounding edge to form a cavity communicated with the pressure stabilizing section, and when the valve core is positioned at the conduction position, the valve core does not close the opening of the annular surrounding edge.
By adopting the technical scheme, after the opening of the annular surrounding edge is sealed by the valve core, the path of the gas of the pressure stabilizing section passing through the gas outlet of the first partial pressure section and the gas outlet of the second partial pressure section is blocked, so that when the gas outlet of the first partial pressure section and the gas outlet of the second partial pressure section are disconnected, only the first stop valve needs to be controlled to be closed, and the gas outlet of the first partial pressure section and the gas outlet of the second partial pressure section can be quickly disconnected.
The present invention may be further configured in a preferred embodiment as: the valve core comprises a rod body and a blocking end located at the end part of the rod body, one side, facing the rod body, of the blocking end is provided with an annular mounting groove, a butting ring is arranged in the annular mounting groove, and when the valve core is located at a stopping position, the side surface of the butting ring is abutted to the end part, located at the opening, of the annular surrounding edge.
Through adopting above-mentioned technical scheme, butt ring and annular surrounding edge are located the tip butt of opening part, realize closing annular surrounding edge open-ended, when making butt ring by rubber, compress tightly behind the tip butt of butt ring and annular surrounding edge opening part, can improve the gas tightness when blockking up end butt annular surrounding edge.
The present invention may be further configured in a preferred embodiment as: and a second stop valve is arranged on the second partial pressure section and opens and closes the gas outlet of the second partial pressure section.
By adopting the technical scheme, the second stop valve controls the on-off of the air outlet of the second partial pressure section.
The present invention may be further configured in a preferred embodiment as: the first partial pressure section is communicated with an air outlet end, and the air outlet end is connected with the partial pressure section through a bolt.
Through adopting above-mentioned technical scheme, removable partial pressure section is to the inside inspection that carries out of first partial pressure section.
The present invention may be further configured in a preferred embodiment as: and a sealing ring is arranged between the air outlet end and the connecting surface of the partial pressure section.
Through adopting above-mentioned technical scheme, increase the gas tightness between end and the first partial pressure section of giving vent to anger.
The present invention may be further configured in a preferred embodiment as: the gas outlet end is internally provided with butting columns in an annular array, the adjacent butting columns are arranged at intervals, and when the valve core is positioned at the stopping position, the end part of the valve core is butted with the end part of the butting column.
Through adopting above-mentioned technical scheme, when the tip of case and butt post butt, gaseous accessible adjacent butt post between the clearance from giving vent to anger the end outflow.
The present invention may be further configured in a preferred embodiment as: the side wall of the gas outlet end is provided with a gas outlet detection tube communicated with the gas outlet end, the end part of the gas outlet detection tube is provided with a gas seal ring, and a bolt penetrates through the gas seal ring to be in threaded connection with the end part of the gas outlet detection tube.
By adopting the technical scheme, the bolt is unscrewed, the airtight ring is taken down, and the air tightness of the valve core when the annular surrounding edge is closed and opened can be detected through the air outlet pipe detection pipe.
To sum up, the utility model discloses a following at least one useful technological effect:
after the valve core seals the opening of the annular surrounding edge, the path of the gas of the pressure stabilizing section passing through the gas outlet of the first partial pressure section and the gas outlet of the second partial pressure section is blocked, so that when the gas outlet of the first partial pressure section and the gas outlet of the second partial pressure section are disconnected, the first stop valve is controlled to be closed, and the gas outlet of the first partial pressure section and the gas outlet of the second partial pressure section are quickly disconnected.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partial cross-sectional view of the present invention;
fig. 3 is a schematic structural view of the gas outlet end.
In the figure, 1, a voltage stabilization section; 2. a pressure maintaining valve; 3. a first partial pressure section; 4. a second voltage division section; 5. an annular surrounding edge; 6. a first shut-off valve; 7. a valve core; 71. a rod body; 72. a blocked end; 73. an annular mounting groove; 74. a butting ring; 8. a second stop valve; 9. an air outlet end; 10. a seal ring; 11. a butting post; 12. an air outlet detection tube; 13. and (4) air tight rings.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a segmentation gas proportional valve, including steady voltage section 1, first partial pressure section 3 and second partial pressure section 4, wherein steady voltage section 1 and first partial pressure section 3 intercommunication, second partial pressure section 4 and first partial pressure section 3 intercommunication. One side of first partial pressure section 3 still can dismantle through the bolt and be connected with the end 9 of giving vent to anger, give vent to anger end 9 and first segmentation intercommunication, and the gas that flows out from surge segment 1 flows out from the end 9 of giving vent to anger through first partial pressure section 3. And a first stop valve 6 is arranged on the first partial pressure section 3, a second stop valve 8 is arranged on the second partial pressure section 4, and the second stop valve 8 controls the on-off of the air outlet of the second partial pressure section 4. And a pressure stabilizing valve 2 is arranged on the pressure stabilizing section 1, and the pressure stabilizing valve 2 controls the gas output quantity of the gas flowing out of the pressure stabilizing section 1.
Referring to fig. 2, integrated into one piece has annular surrounding edge 5 in first partial pressure section 3, and the one end of annular surrounding edge 5 and the interior wall connection of first partial pressure section 3, the other end do not connect 3 inner walls of first partial pressure section as the opening, and annular surrounding edge 5 and surge voltage section 1 intercommunication, the opening of annular surrounding edge 5 can supply the gas of surge voltage section 1 output to pass through. The first stop valve 6 comprises a valve core 7, the valve core 7 is positioned in the annular surrounding edge 5, the valve core 7 comprises a rod body 71 and a blocking end 72 with the diameter larger than that of the rod body 71, and the blocking end 72 and the rod body 71 are coaxially positioned at one end of the rod body 71. The axis of the rod body 71 passes through the center of the opening of the annular surrounding edge 5, and the blocking end 72 is positioned outside the annular surrounding edge 5. The blocking end 72 faces the rod body 71 and is arc-shaped, an annular mounting groove 73 is formed in one side, facing the rod body 71, of the blocking end 72, a butting ring 74 is mounted in the annular mounting groove 73, and the butting ring 74 is made of rubber. The valve core 7 has a cut-off position and a conducting position, when the valve core 7 is in the cut-off position, the abutting ring 74 closes the opening of the annular surrounding edge 5 to form a chamber which is only communicated with the pressure stabilizing section 1, and at the moment, the air outlet end 9 of the first partial pressure section 3 and the air outlet of the second partial pressure section 4 are not ventilated. When the valve core 7 is in the conducting position, the abutting ring 74 does not close the opening of the annular surrounding edge 5, and the air outlet end 9 of the first partial pressure section 3 and the air outlet of the second partial pressure section 4 are ventilated. The abutting ring 74 is made of rubber, and the abutting ring 74 is pressed after abutting against the end part of the opening of the annular surrounding edge 5, so that the air tightness when the blocking end 72 abuts against the annular surrounding edge 5 of the annular surrounding edge 74 can be improved.
The joint of the air outlet end 9 and the pressure division section is provided with a sealing ring 10, the sealing ring 10 is annular, and the air outlet end 9 and the pressure division section are circumferentially sealed so as to improve the air tightness between the air outlet end 9 and the pressure division section.
Referring to fig. 2 and 3, the whole gas outlet end 9 is of a tubular structure with openings at two ends, a flat plate is radially protruded at one end of the gas outlet end 9 connected with the pressure dividing section, and the gas outlet end 9 penetrates through the flat plate through a bolt to be connected with the pressure dividing section. The inner wall of the air outlet end 9 is circumferentially provided with the abutting columns 11 in an annular array, the adjacent abutting columns 11 are arranged at intervals, and when the valve core 7 is located at the stop position, the blocking end 72 abuts against the ends of the abutting columns 11. When the plugging end 72 abuts against the abutment posts 11, gas can flow out of the gas outlet end 9 through the gap between adjacent abutment posts 11. The side wall of the air outlet end 9 is communicated with an air outlet detection pipe 12, the end part of the air outlet detection pipe 12 is coaxially provided with an air-tight ring 13, and a bolt penetrates through the air-tight ring 13 and is axially connected to the end part of the air outlet detection pipe 12 in a threaded manner.
The implementation principle of the embodiment is as follows: the first stop valve 6 can control the air outlet of the air outlet end 9 of the first partial pressure section 3 and the air outlet of the second partial pressure section 4, when the first stop valve 6 is in an opening state and the second stop valve 8 is in an opening state, the air outlet end 9 of the first partial pressure section 3 and the air outlet of the second partial pressure section 4 are both exhausted, and then the air outlet end 9 of the first partial pressure section 3 and the air outlet of the second partial pressure section 4 need to be closed rapidly, only the first stop valve 6 needs to be closed, and the valve core 7 of the first stop valve 6 seals the opening of the annular surrounding edge 5, namely, the communication between the pressure stabilizing section 1 and the first partial pressure section 3 and the communication between the pressure stabilizing section 1 and the second partial. In order to prevent the second cut-off valve 8 from continuing to operate after the first cut-off valve 6 is closed, the second cut-off valve 8 may be closed after the first cut-off valve 6 is closed.
In the embodiment of the utility model, only describe two structures and the principle of the partial pressure valve of establishing ties each other, actually adopt when the quantity of the partial pressure valve of establishing ties is greater than two the utility model discloses a structure also can realize the technical effect of the utility model.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a segmentation gas proportional valve, includes surge segment (1), be equipped with surge damping valve (2) on surge segment (1), its characterized in that: the pressure stabilizing section (1) is communicated with a first partial pressure section (3), the first partial pressure section (3) is communicated with a second partial pressure section (4), an annular surrounding edge (5) with an opening at one end is arranged in the first partial pressure section (3), the communication part of the pressure stabilizing section (1) and the first partial pressure section (3) is communicated with the space enclosed by the annular surrounding edge (5), a first stop valve (6) is arranged on the first partial pressure section (3), the first stop valve (6) comprises a valve core (7), the valve core (7) is positioned in the annular surrounding edge (5), the valve core (7) is provided with a cut-off position and a conducting position, when the valve core (7) is at the cut-off position, the valve core (7) closes the opening of the annular surrounding edge (5) to form a cavity which is only communicated with the pressure stabilizing section (1), when the valve core (7) is in the conducting position, the valve core (7) does not seal the opening of the annular surrounding edge (5).
2. The staged gas proportioning valve of claim 1, wherein: the valve core (7) comprises a rod body (71) and a blocking end (72) located at the end of the rod body (71), an annular mounting groove (73) is formed in one side, facing the rod body (71), of the blocking end (72), a butting ring (74) is arranged in the annular mounting groove (73), and when the valve core (7) is located at a cut-off position, the side face of the butting ring (74) is abutted to the end of the annular surrounding edge (5) located at the opening.
3. The staged gas proportioning valve of claim 1, wherein: and a second stop valve (8) is arranged on the second partial pressure section (4), and the second stop valve (8) opens and closes the gas outlet of the second partial pressure section (4).
4. The staged gas proportioning valve of claim 1, wherein: the first partial pressure section (3) is communicated with an air outlet end (9), and the air outlet end (9) is connected with the partial pressure section through a bolt.
5. The staged gas proportioning valve of claim 4, wherein: and a sealing ring (10) is arranged between the gas outlet end (9) and the connecting surface of the first partial pressure section (3).
6. The staged gas proportioning valve of claim 4, wherein: the gas outlet end (9) is internally provided with abutting columns (11) in an annular array, the abutting columns (11) are arranged adjacently at intervals, and when the valve core (7) is located at a stopping position, the end part of the valve core (7) is abutted to the end part of the abutting columns (11).
7. The staged gas proportioning valve of claim 4, wherein: the side wall of the air outlet end (9) is provided with an air outlet detection tube (12) communicated with the air outlet end (9), the end part of the air outlet detection tube (12) is provided with an airtight ring (13), and a bolt penetrates through the airtight ring (13) to be in threaded connection with the end part of the air outlet detection tube (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021028141.1U CN213298829U (en) | 2020-06-06 | 2020-06-06 | Sectional gas proportional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021028141.1U CN213298829U (en) | 2020-06-06 | 2020-06-06 | Sectional gas proportional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213298829U true CN213298829U (en) | 2021-05-28 |
Family
ID=75983628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021028141.1U Active CN213298829U (en) | 2020-06-06 | 2020-06-06 | Sectional gas proportional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213298829U (en) |
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2020
- 2020-06-06 CN CN202021028141.1U patent/CN213298829U/en active Active
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