CN213298969U - Gas proportional valve - Google Patents
Gas proportional valve Download PDFInfo
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- CN213298969U CN213298969U CN202021028144.5U CN202021028144U CN213298969U CN 213298969 U CN213298969 U CN 213298969U CN 202021028144 U CN202021028144 U CN 202021028144U CN 213298969 U CN213298969 U CN 213298969U
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- partial pressure
- pressure section
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- groove
- valve core
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Abstract
The utility model relates to a gas proportional valve, including steady voltage section and partial pressure section, steady voltage section and partial pressure section intercommunication, partial pressure section one side intercommunication has the end of giving vent to anger, partial pressure section lateral wall is equipped with the trompil groove, still be equipped with connecting portion in the partial pressure section, connecting portion are used for connecting with trompil groove complex part. When the quantity of partial pressure section is increased to needs, the bottom of trompil groove is run through to punch according to the notch size of open slot and is formed the air vent, and partial pressure section and the air vent intercommunication that will increase are connected with the partial pressure section that increases through connecting portion to realize the installation of partial pressure section. Has the advantage that the number of partial pressure sections can be increased according to the requirement.
Description
Technical Field
The utility model belongs to the technical field of the gas equipment technique and specifically relates to a 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 utility model with publication number CN208935505U discloses 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, enough gas supply quantity can be obtained by only opening one section valve, when the required hot water temperature is higher, two section valves can be simultaneously opened to obtain larger gas supply quantity, and the main valve body and the section valve body are integrally formed by die casting.
The above prior art solutions have the following drawbacks: because the main valve body and the sectional valve body are integrally formed by die casting, the number of the sectional valve bodies is certain, and the number of the sectional valve bodies cannot be increased according to actual needs.
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 gas proportional valve has the advantage that can increase partial pressure section quantity as required.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a gas proportional valve, includes steady voltage section and partial pressure section, steady voltage section and partial pressure section intercommunication, partial pressure section one side intercommunication has the end of giving vent to anger, partial pressure section lateral wall is equipped with the trompil groove, still be equipped with connecting portion on the partial pressure section, connecting portion are used for connecting with trompil groove complex part.
Through adopting above-mentioned technical scheme, when needs increase the quantity of partial pressure section, run through the bottom of trompil groove according to the notch size of open slot and punch and form the air vent, be connected the partial pressure section that increases with the air vent intercommunication and through connecting portion and increase partial pressure section to realize the installation of partial pressure section.
The present invention may be further configured in a preferred embodiment as: the hole opening groove is a groove which is arranged towards the center direction of the partial pressure section.
Through adopting above-mentioned technical scheme, the wall thickness of partial pressure section trompil groove department is less than the wall thickness of other positions, makes the time of trompil groove drilling shorter, and the air vent is more easily bored.
The present invention may be further configured in a preferred embodiment as: the side wall of the partial pressure section, which is provided with the opening groove, is provided with an annular groove around the circumference of the opening groove.
Through adopting above-mentioned technical scheme, when trompil groove trompil increases the partial pressure section, installation rubber seal in the ring channel increases the leakproofness of two partial pressure section junctions.
The present invention may be further configured in a preferred embodiment as: the pressure stabilizing section is provided with a pressure stabilizing section, the pressure stabilizing section is provided with a pressure.
Through adopting above-mentioned technical scheme, annular surrounding edge can form inclosed cavity with the case, and the gas of separation surge section output is through giving vent to anger the end, but behind the trompil groove trompil, then also the gas of separation surge section output passes through the trompil of trompil groove simultaneously.
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: the air outlet end is connected with the partial pressure section through a bolt.
Through adopting above-mentioned technical scheme, the end of giving vent to anger can be dismantled with the partial pressure section and be connected, and removable partial pressure section is to the inside inspection that carries out of 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 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 butting column end.
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 connecting portion have two, are located the both sides in trompil groove, connecting portion include the spliced pole, spliced pole axial seting up threaded hole.
Through adopting above-mentioned technical scheme, the partial pressure section both sides that increase are fixed with the spliced pole through the bolt.
To sum up, the utility model discloses a following at least one useful technological effect:
when the quantity of partial pressure section needs to be increased, the bottom of the opening groove is perforated to form the air vent according to the size of the notch of the opening groove, the increased partial pressure section is communicated with the air vent and is connected with the increased partial pressure section through the connecting part, and therefore the installation of the partial pressure section is achieved.
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 voltage division section; 3. an air outlet end; 4. opening a hole groove; 5. an annular groove; 6. an annular surrounding edge; 7. a valve core; 71. a rod body; 72. a blocked end; 8. an annular mounting groove; 9. a butting ring; 10. a seal ring; 11. a butting post; 12. connecting columns; 13. a threaded bore.
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 gas proportional valve, including steady voltage section 1 and partial pressure section 2 intercommunication, the one end opening of partial pressure section 2, the opening part is given vent to anger through bolted connection and is held 3. The trompil groove 4 has been seted up downwards to the up end of partial pressure section 2, and trompil groove 4 is seted up towards partial pressure section 2 central direction promptly, sets up the wall thickness that trompil groove 4 can reduce partial pressure section 2 trompil groove 4 department downwards. An annular groove 5 is circumferentially arranged on the upper end face of the partial pressure section 2 around the perforated groove 4, and the annular groove 5 is coaxial with the perforated groove 4 and is in the shape of a ring. After the tapping groove 4 is tapped, when the increased partial pressure section 2 is installed, a sealing rubber ring is installed in the annular groove 5, and the air tightness between the increased partial pressure section 2 and the tapping groove 4 is improved.
The upper end face of the partial pressure section 2 is provided with a connecting part, and the side face of the connecting part is connected with the two opposite side faces of the partial pressure section 2. The connecting part is a connecting column 12, and a threaded hole 13 is formed in the axial direction of the connecting column 12.
Referring to fig. 2, integrated into one piece has annular surrounding edge 6 in partial pressure section 2, and the one end of annular surrounding edge 6 and the inner wall connection of partial pressure section 2, the other end do not connect 2 inner walls of partial pressure section as the opening, and annular surrounding edge 6 and voltage stabilizing section 1 intercommunication, the opening of annular surrounding edge 6 can supply the gas of voltage stabilizing section 1 output to pass through. The annular surrounding edge 6 is internally provided with a valve core 7, 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 6, and the blocking end 72 is positioned outside the annular surrounding edge 6. The jam end 72 simultaneously is the arc towards the body of rod 71, and the jam end 72 is equipped with annular mounting groove 8 towards one side of the body of rod 71, installs butt ring 9 in the annular mounting groove 8, and butt ring 9 is made by 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 9 closes the opening of the annular surrounding edge 6 to form a closed cavity, and when the valve core 7 is in the conducting position, the abutting ring 9 does not close the opening of the annular surrounding edge 6.
The joint of the air outlet end 3 and the pressure division section 2 is provided with a sealing ring 10, the sealing ring 10 is annular, and the air outlet end 3 and the pressure division section 2 are circumferentially sealed so as to improve the air tightness between the two.
Referring to fig. 2 and 3, the whole gas outlet end 3 is of a tubular structure with two open ends, a flat plate is protruded radially at one end of the gas outlet end 3 connected with the pressure dividing section 2, and the gas outlet end 3 penetrates through the flat plate through a bolt to be connected with the pressure dividing section 2. The inner wall circumference of the air outlet end 3 is provided with 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 cut-off position, the end part of the valve core 7 abuts against the 11 ends of the abutting columns. After the valve core 7 abuts against the abutting columns 11, the gas can flow out of the gas outlet end 3 through the gap between the adjacent abutting columns 11.
The implementation principle of the embodiment is as follows: when the number of the partial pressure sections 2 needs to be increased, a drill bit and other tools are used for punching the punching groove, the bottom surface of the punching groove is completely removed to form a vent hole, then a sealing rubber ring is placed in the annular groove 5, the increased partial pressure sections 2 are installed, and the increased partial pressure sections 2 are screwed and fixed on the connecting column 12 through bolts.
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 (9)
1. The utility model provides a gas proportional valve, includes surge section (1) and partial pressure section (2), surge section (1) and partial pressure section (2) intercommunication, partial pressure section (2) one side intercommunication has the end of giving vent to anger (3), its characterized in that: partial pressure section (2) lateral wall is equipped with trompil groove (4), still be equipped with connecting portion on partial pressure section (2), connecting portion are used for connecting with trompil groove (4) complex part.
2. A gas proportioning valve according to claim 1 wherein: the hole opening groove (4) is a groove which is arranged towards the center direction of the partial pressure section (2).
3. A gas proportioning valve according to claim 1 wherein: the side wall of the partial pressure section (2) with the opening groove (4) surrounds the opening groove (4) and is circumferentially provided with an annular groove (5).
4. A gas proportioning valve according to claim 1 wherein: the pressure-stabilizing section is characterized in that an annular surrounding edge (6) with an opening at one end is arranged in the pressure-dividing section (2), the annular surrounding edge (6) is communicated with the pressure-stabilizing section (1), a valve core (7) is arranged in the annular surrounding edge (6), the valve core (7) is provided with a cut-off position and a conduction position, when the valve core (7) is located at the cut-off position, the valve core (7) seals the opening of the annular surrounding edge (6) to form a sealed cavity, and when the valve core (7) is located at the conduction position, the valve core (7) does not seal the opening of the annular surrounding edge (6).
5. A gas proportioning valve according to claim 4 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 (8) is formed in one side, facing the rod body (71), of the blocking end (72), a butting ring (9) is arranged in the annular mounting groove (8), and when the valve core (7) is located at a cut-off position, the side face of the butting ring (9) is abutted to the end of the annular surrounding edge (6) located at the opening.
6. A gas proportioning valve according to claim 1 wherein: the air outlet end (3) is connected with the partial pressure section (2) through a bolt.
7. A gas proportioning valve according to claim 6 wherein: and a sealing ring (10) is arranged between the air outlet end (3) and the connecting surface of the partial pressure section (2).
8. A gas proportioning valve according to claim 4 wherein: the gas outlet end (3) 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).
9. A gas proportioning valve according to claim 4 wherein: the connecting portion have two, are located the both sides of trompil groove (4), connecting portion include spliced pole (12), spliced pole (12) axial is seted up screw hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021028144.5U CN213298969U (en) | 2020-06-06 | 2020-06-06 | Gas proportional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021028144.5U CN213298969U (en) | 2020-06-06 | 2020-06-06 | Gas proportional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213298969U true CN213298969U (en) | 2021-05-28 |
Family
ID=75983719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021028144.5U Active CN213298969U (en) | 2020-06-06 | 2020-06-06 | Gas proportional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213298969U (en) |
-
2020
- 2020-06-06 CN CN202021028144.5U patent/CN213298969U/en active Active
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