CN209943647U - Valve main body structure and gas proportional valve - Google Patents
Valve main body structure and gas proportional valve Download PDFInfo
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- CN209943647U CN209943647U CN201920508946.7U CN201920508946U CN209943647U CN 209943647 U CN209943647 U CN 209943647U CN 201920508946 U CN201920508946 U CN 201920508946U CN 209943647 U CN209943647 U CN 209943647U
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Abstract
The utility model relates to a valve major structure and gas proportional valve, valve major structure include air inlet valve body, proportional valve body and give vent to anger and connect, air inlet valve body proportional valve body reaches give vent to anger and connect three structure as an organic whole, air inlet valve body's gas outlet with proportional valve body is linked together, proportional valve body's gas outlet with it connects to give vent to anger and is linked together. Foretell valve major structure, because air inlet valve body, proportion valve body and the joint three that gives vent to anger are the integral structure, between air inlet valve body and the proportion valve body like this to and all need not to add the sealing washer between proportion valve body and the joint of giving vent to anger, just can not appear the bad phenomenon that the sealing washer became invalid, set up the design for three sectional type structure and set up the sealing washer in the junction between two adjacent sectional type structures for the tradition, can improve sealing performance effectively, avoid the gas leakage.
Description
Technical Field
The utility model relates to a gas valve technical field especially relates to a valve major structure and gas proportional valve.
Background
The gas proportional valve is the core part of the gas water heater, and if the gas proportional control valve leaks gas, a fire hazard can be caused, and great economic loss is caused. The valve body structure of the movable iron core gas proportional valve used by the traditional gas proportional valve is that the gas inlet valve body and the proportional valve body are sealed by a sealing ring and are connected by a screw; the proportional valve body and the air outlet joint are sealed by a sealing ring and are connected by a screw; the baffle ring (also called valve port) matched with the valve component is machined along with the proportional valve body. However, when the sealing performance of the sealing ring fails, a bad phenomenon of gas leakage occurs between the gas inlet valve body and the proportional valve body or between the proportional valve body and the gas outlet joint.
Disclosure of Invention
The utility model provides a first technical problem provide a valve major structure, it can improve sealing performance effectively, avoids the gas to leak.
The utility model provides a second technical problem provide a gas proportional valve, it can improve sealing performance effectively, avoids the gas to leak.
The first technical problem is solved by the following technical scheme:
a valve main body structure comprises an air inlet valve body, a proportional valve body and an air outlet joint, wherein the air inlet valve body, the proportional valve body and the air outlet joint are of an integrated structure, an air outlet of the air inlet valve body is communicated with the proportional valve body, and an air outlet of the proportional valve body is communicated with the air outlet joint.
Valve major structure, compare produced beneficial effect with the background art: because the air inlet valve body, the proportional valve body and the air outlet joint are of an integrated structure, sealing rings do not need to be additionally arranged between the air inlet valve body and the proportional valve body and between the proportional valve body and the air outlet joint, the bad phenomenon that the sealing rings fail does not occur, and compared with the traditional design mode that three sectional structures are arranged and the sealing rings are arranged at the joints between two adjacent sectional structures, the sealing performance can be effectively improved, and gas leakage is avoided.
In one embodiment, the air inlet valve body, the proportional valve body and the air outlet joint are integrally formed by die casting, forging or stamping.
In one embodiment, the inner side wall of the proportional valve body is provided with a detachable baffle ring, the baffle ring is circumferentially arranged around the inner side wall of the proportional valve body, and the baffle ring is used for being matched with a sealing cover of the valve assembly. So, keep off the ring and not with the valve body that admits air, proportional valve body and the joint of giving vent to anger integrated into one piece together, make the valve body that admits air, proportional valve body and the joint three of giving vent to anger into the integral structure more easily like this, can reduce cost moreover. In addition, whether the baffle ring is damaged or not does not need to be considered when the air inlet valve body, the proportional valve body and the air outlet joint are made into an integrated structure. In addition, due to the detachable design of the baffle ring, the baffle ring can be conveniently replaced according to actual conditions, and the maintenance is convenient.
In one embodiment, a boss is arranged on the inner side wall of the proportional valve body, and a clamping groove in clamping fit with the boss is arranged on the outer side wall of the baffle ring; or, a clamping groove is formed in the inner side wall of the proportional valve body, and a boss matched with the clamping groove in a clamped mode is arranged on the outer side wall of the baffle ring.
In one embodiment, an air inlet end pressure measuring port is arranged on the side wall of the air inlet valve body, and an air outlet end pressure measuring port is arranged on the side wall of the air outlet joint.
The second technical problem is solved by the following technical solutions:
a gas proportional valve comprises the valve main body structure.
Gas proportional valve, compare produced beneficial effect with the background art: because the air inlet valve body, the proportional valve body and the air outlet joint are of an integrated structure, sealing rings do not need to be additionally arranged between the air inlet valve body and the proportional valve body and between the proportional valve body and the air outlet joint, the bad phenomenon that the sealing rings fail does not occur, and compared with the traditional design mode that three sectional structures are arranged and the sealing rings are arranged at the joints between two adjacent sectional structures, the sealing performance can be effectively improved, and gas leakage is avoided.
In one embodiment, the gas proportional valve further comprises a valve assembly movably arranged in the proportional valve body, and a proportional adjusting part; the valve assembly comprises a valve rod arranged in the proportional valve body, a sealing cover and a diaphragm, the sealing cover is arranged on the valve rod and is used for being matched with a baffle ring in the proportional valve body, and the diaphragm is used for being matched with an opening of the proportional valve body in a sealing manner; the proportion regulation portion includes outer frame and coil pack, outer frame with the proportion valve body links to each other, outer frame be used for with the edge of diaphragm compress tightly in on the lateral wall of proportion valve body, coil pack locates outer frame is last, coil pack includes magnetic conduction pole, bobbin and winds and establishes wire on the bobbin, the bobbin is equipped with first through-hole, the movably setting of magnetic conduction pole is in the first through-hole, the magnetic conduction pole with the valve stem transmission cooperation. When the proportional valve body, the valve assembly and the proportional adjusting part are assembled, the outer frame is connected with the proportional valve body, and after the outer frame is connected with the proportional valve body, the outer frame can compress the edge of the diaphragm on the bottom wall of the proportional valve body, so that the traditional magnetic conduction plate can be omitted, and the edge of the diaphragm is not required to be compressed and fixed on the bottom wall of the proportional valve body through the magnetic conduction plate. So, can make the structure simplification of gas proportional control valve, practice thrift the cost, the assembly process is simplified, but the modularization equipment, simple to operate.
In one embodiment, the outer frame includes a top cover plate, and a first side plate and a second side plate that are oppositely disposed, the top cover plate is connected to the proportional valve body, the top cover plate is used for pressing the edge of the diaphragm against the bottom wall of the proportional valve body, the top cover plate is respectively connected to the first side plate and the second side plate, a second through hole corresponding to the first through hole is disposed in the middle of the top cover plate, and one end of the valve rod is inserted into the first through hole through the second through hole.
In one embodiment, the top cover plate, the first side plate and the second side plate are integrated.
In one embodiment, the gas proportional valve further includes a first electromagnetic stop valve and a second electromagnetic stop valve, a first mounting opening and a second mounting opening are sequentially formed in the side wall of the gas inlet valve body, the first electromagnetic stop valve is detachably mounted in the first mounting opening, and the second electromagnetic stop valve is detachably mounted in the second mounting opening. So, the first electromagnetism stop valve and the second electromagnetism stop valve that set up are equivalent to twice sealed, can guarantee the security performance of gas proportional valve.
In one embodiment, a first sealing ring is arranged at the first mounting opening, and a second sealing ring is arranged at the second mounting opening.
Drawings
Fig. 1 is a schematic structural view of a gas proportional valve according to an embodiment of the present invention;
fig. 2 is a partially exploded view of a gas proportional valve according to an embodiment of the present invention;
fig. 3 is a partially exploded schematic view of a gas proportional valve according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional structural view of a gas proportional valve according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a main structure of a proportional valve according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a main body structure of a proportional valve according to an embodiment of the present invention;
fig. 7 is a schematic view of a perspective of a proportional valve body according to an embodiment of the present invention;
fig. 8 is a schematic structural view of a retainer ring according to an embodiment of the present invention;
fig. 9 is a schematic cross-sectional structural view of a proportional valve body, a valve assembly and a proportional adjusting part in a gas proportional valve according to an embodiment of the present invention;
fig. 10 is a schematic cross-sectional view of a proportional regulating portion of a gas proportional valve according to an embodiment of the present invention, with a magnetic conductive rod, a first spring, and a second spring removed;
fig. 11 is a schematic structural view of an outer frame in a gas proportional valve according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of a gas valve assembly in a gas proportional valve according to an embodiment of the present invention.
Reference numerals:
10. a valve body structure, 11, an air inlet valve body, 111, an air inlet pressure measuring port, 112, a first mounting port, 113, a second mounting port, 12, a proportional valve body, 121, an air outlet, 122, a baffle ring, 123, a boss, 124, a clamping groove, 125, an opening, 126, a groove, 13, an air outlet joint, 131, an air outlet pressure measuring port, 20, a valve component, 21, a valve rod, 22, a sealing cover, 23, a diaphragm, 231, an edge, 24, a pressing plate, 25, a third spring, 26, a clamping spring, 27, a gasket, 30, a proportional adjusting part, 31, an outer frame, 311, a top cover plate, 3111, a first mounting hole, 3112, a bulge, 3113, a concave part, 3114, a breathing hole, 3115, a second through hole, 312, a first side plate, 313, a second side plate, 32, a coil component, 321, a magnetic conducting rod, 322, a winding frame, 3221, a first through hole, 323, a lead wire, 324, a guide sleeve, 33, a bottom plate, 34, an adjusting, 35. the electromagnetic cut-off valve comprises a fixed sleeve, 40, a first electromagnetic cut-off valve, 50, a second electromagnetic cut-off valve, 60, a first sealing ring, 70 and a second sealing ring.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.
In one embodiment, referring to fig. 1 to 6, a valve body structure 10 includes an inlet valve body 11, a proportional valve body 12 and an outlet connector 13. The air inlet valve body 11, the proportional valve body 12 and the air outlet joint 13 are of an integrated structure, an air outlet of the air inlet valve body 11 is communicated with the proportional valve body 12, and an air outlet 121 of the proportional valve body 12 is communicated with the air outlet joint 13.
The valve main body structure 10 has the advantages that the air inlet valve body 11, the proportion valve body 12 and the air outlet connector 13 are integrated, so that sealing rings do not need to be additionally arranged between the air inlet valve body 11 and the proportion valve body 12 and between the proportion valve body 12 and the air outlet connector 13, the bad phenomenon that the sealing rings fail does not occur, compared with the traditional design mode that the sealing rings are arranged at the joints between the three sectional structures, the sealing performance can be effectively improved, and gas leakage is avoided.
In one embodiment, the air inlet valve body 11, the proportional valve body 12 and the air outlet joint 13 are integrally formed by die casting, forging or punching.
In one embodiment, referring to fig. 3, 6 to 8, the inner sidewall of the proportional valve body 12 is provided with a detachable retaining ring 122, the retaining ring 122 is circumferentially disposed around the inner sidewall of the proportional valve body 12, and the retaining ring 122 is configured to be disposed in cooperation with the cover 22 of the valve assembly 20. Thus, the retainer ring 122 is not integrally formed with the air inlet valve body 11, the proportional valve body 12 and the air outlet joint 13, so that the air inlet valve body 11, the proportional valve body 12 and the air outlet joint 13 are more easily integrated, and the cost can be reduced. In addition, when the intake valve body 11, the proportional valve body 12, and the outlet joint 13 are integrally formed, it is not necessary to consider whether the retainer ring 122 is damaged. In addition, due to the detachable design of the baffle ring 122, the baffle ring 122 can be conveniently replaced according to actual conditions, and the maintenance is convenient. Specifically, the retainer ring 122 is an aluminum alloy, a plastic body, or a rubber body, and is not limited. The retainer ring 122 may be elastomeric or non-elastomeric, again without limitation.
It is understood that the stop ring 122 is disposed to cooperate with the cover 22, which means that the cover 22 and the stop ring 122 are in close contact with each other, or the distance between the stop ring and the cover can be adjusted to adjust the size of the air outlet 121 of the proportional valve body 12. Specifically, the outlet port 121 of the proportional valve body 12 can be sealed when the cover 22 is brought into close contact with the stopper ring 122; the size of the air outlet 121 of the proportional valve body 12 can be adjusted when the distance between the sealing cover 22 and the baffle ring 122 is changed.
Further, referring to fig. 7 and 8, a boss 123 is disposed on an inner side wall of the proportional valve body 12, and a clamping groove 124 engaged with the boss 123 is disposed on an outer side wall of the baffle ring 122. Or, a clamping groove 124 is formed in the inner side wall of the proportional valve body 12, and a boss 123 in clamping fit with the clamping groove 124 is formed in the outer side wall of the baffle ring 122. More specifically, in order to increase the degree of fixation of the retainer ring 122 on the inner side wall of the proportional valve body 12, the number of the bosses 123 may be plural, and the number of the locking grooves 124 may be plural.
In one embodiment, referring to fig. 1 and 5, an inlet pressure measuring port 111 is disposed on a side wall of the inlet valve body 11, and an outlet pressure measuring port 131 is disposed on a side wall of the outlet connector 13.
In one embodiment, referring to fig. 1 to 3, a gas proportional valve includes the valve body structure 10 according to any one of the above embodiments.
The gas proportional valve has the advantages that the gas inlet valve body 11, the proportional valve body 12 and the gas outlet connector 13 are of an integrated structure, so that sealing rings do not need to be additionally arranged between the gas inlet valve body 11 and the proportional valve body 12 and between the proportional valve body 12 and the gas outlet connector 13, the bad phenomenon that the sealing rings fail does not occur, compared with the traditional design mode that the sealing rings are arranged at the joints between the three sectional structures, the sealing performance can be effectively improved, and gas leakage is avoided.
In one embodiment, referring to fig. 3, 9 to 12, the gas proportional valve further includes a valve assembly 20 movably disposed in the proportional valve body 12, and a proportional adjustment portion 30. The valve assembly 20 includes a valve stem 21 disposed in the proportional valve body 12, a cover 22 disposed on the valve stem 21, and a diaphragm 23. The cover 22 is adapted to engage a stop ring 122 in the proportional valve body 12, and the diaphragm 23 is adapted to sealingly engage an opening 125 in the proportional valve body 12. The proportional adjustment portion 30 includes an outer frame 31 and a coil block 32. The outer frame 31 is connected to the proportional valve body 12, and the outer frame 31 is used for pressing the edge 231 of the diaphragm 23 against the outer side wall of the proportional valve body 12. The coil assembly 32 is disposed on the outer frame 31, the coil assembly 32 includes a magnetic conductive rod 321, a bobbin 322 and a wire 323 wound on the bobbin 322, the bobbin 322 is provided with a first through hole 3221, the magnetic conductive rod 321 is movably disposed in the first through hole 3221, and the magnetic conductive rod 321 is in transmission fit with the valve stem 21. When the proportional valve body 12, the valve assembly 20 and the proportional adjusting portion 30 are assembled, the outer frame 31 is connected to the proportional valve body 12, and after the outer frame 31 is connected to the proportional valve body 12, the outer frame 31 can press the edge 231 of the diaphragm 23 against the bottom wall of the proportional valve body 12, so that the conventional magnetic conductive plate can be omitted, and the edge 231 of the diaphragm 23 is not required to be pressed and fixed against the bottom wall of the proportional valve body 12 by the magnetic conductive plate. So, can make the structure simplification of gas proportional control valve, practice thrift the cost, the assembly process is simplified, but the modularization equipment, simple to operate.
In addition, if the opening degree of the gas outlet 121 of the gas proportional valve body 12 needs to be adjusted, the wire 323 of the coil assembly 32 is powered on, a magnetic field formed by current flowing through the wire 323 can enable the magnetic rod 321 to move along the first through hole 3221, the valve rod 21 is driven to move correspondingly when the magnetic rod 321 moves along the first through hole 3221, the sealing cover 22 is driven to move when the valve rod 21 moves, and the opening degree of the gas outlet 121 of the proportional valve body 12 can be adjusted when the sealing cover 22 moves.
In one embodiment, referring to fig. 9 and 10, the outer frame 31 includes a top cover plate 311, and a first side plate 312 and a second side plate 313 arranged oppositely. The top cover plate 311 is connected to the proportional valve body 12, the top cover plate 311 is used for pressing the edge 231 of the diaphragm 23 against the bottom wall of the proportional valve body 12, the top cover plate 311 is connected to the first side plate 312 and the second side plate 313, and a second through hole 3115 corresponding to the first through hole 3221 is formed in the middle of the top cover plate 311. One end of the valve stem 21 is inserted into the first through hole 3221 through the second through hole 3115. Specifically, the top cover plate 311 is provided with a plurality of first mounting holes 3111, and the proportional valve body 12 is correspondingly provided with a plurality of second mounting holes. The top cover plate 311 and the proportional valve body 12 are assembled with each other by a connecting member such as a screw, a bolt, a pin, or a rivet.
Further, the top cover plate 311, the first side plate 312 and the second side plate 313 are integrated. Therefore, the top cover plate 311, the first side plate 312 and the second side plate 313 do not need to be assembled and connected, so that the assembly process is simplified, and the improvement of the working efficiency is facilitated.
Further, referring to fig. 9 and 10, the proportional valve body 12 is provided with a groove 126 around the opening 125. The groove 126 is adapted to receive the edge 231 of the diaphragm 23. The top cover plate 311 is provided with a protrusion 3112 corresponding to the groove 126. In this manner, the protrusion 3112 presses the edge 231 of the diaphragm 23 in the groove 126, ensuring a better seal of the diaphragm 23 against the opening 125.
In one embodiment, the top cover plate 311 is provided with a recess 3113 for avoiding the diaphragm 23. The bottom wall of the recess 3113 is provided with a breathing hole 3114. Thus, when the pressure of the gas entering the valve body is unstable, the diaphragm 23 deforms correspondingly under the action of the air pressure, and the pressure stabilizing effect is achieved.
In one embodiment, referring to fig. 9 to 12, the proportional adjustment part 30 further includes a bottom plate 33. The bottom plate 33 is connected to the first side plate 312 and the second side plate 313, and two ends of the bobbin 322 respectively abut against the bottom plate 33 and the top cover plate 311. The bottom plate 33, the top cover plate 311, the first side plate 312, and the second side plate 313 are all magnetic conductive plates. Specifically, the bottom plate 33, the top cover plate 311, the first side plate 312, and the second side plate 313 are all soft iron, and can form a magnetic conductive loop together with the magnetic conductive rod 321.
In one embodiment, the proportional adjustment part 30 further includes an adjustment block 34 and a fixing sleeve 35 connected to the bottom plate 33. The bottom plate 33 is provided with a third through hole corresponding to the first through hole 3221. The fixed sleeve 35 is communicated with the third through hole, a first thread is arranged on the inner side wall of the fixed sleeve 35, and a second thread matched with the first thread is arranged on the outer side wall of the adjusting block 34. One end of the magnetic conducting rod 321 is connected with the adjusting block 34 through a first spring, and the other end of the magnetic conducting rod 321 is connected with the top cover plate 311 through a second spring. Thus, when the position of the adjusting block 34 is changed, the position of the magnetic rod 321 can be adjusted accordingly, and the initial position of the valve assembly 20 can be adjusted accordingly. In addition, the first spring and the second spring can ensure that the magnetic conducting rod 321 can move relatively stably along the axial direction of the first through hole 3221, and when the coil assembly 32 is energized to act on the magnetic conducting rod 321, so that the magnetic conducting rod 321 moves to drive the valve rod 21 to move to open the first opening 125, and the coil assembly 32 is de-energized, the magnetic conducting rod 321 is driven to reset under the restoring force of the first spring and the second spring. Specifically, the adjusting block 34 is an adjusting nut for facilitating adjustment of the position of the adjusting block 34 in the fixing sleeve 35.
In one embodiment, referring to fig. 9 to 12, the valve assembly 20 further includes a pressure plate 24, a third spring 25 and a clamp spring 26. The clamp plate 24 is located the diaphragm 23 is kept away from the side of proportion valve body 12, the valve stem 21 with the one end that magnetic conduction pole 321 contacted runs through in proper order the diaphragm 23 the clamp plate 24 stretches into in the first through-hole 3221, jump ring 26 sets up the valve stem 21 with the one end that magnetic conduction pole 321 contacted, third spring 25 cover is established on the valve stem 21, just the both ends of third spring 25 respectively with the clamp plate 24 the jump ring 26 is inconsistent. Thus, after the magnetic conductive rod 321 drives the valve rod 21 to move, the third spring 25 is compressed, so that when the magnetic conductive rod 321 is reset, the valve rod 21 is also reset by the restoring force of the third spring 25. Further, the valve assembly 20 further includes a spacer 27 disposed between the third spring 25 and the clamp spring 26.
In one embodiment, referring to fig. 9 to 12, the coil assembly 32 further includes a guide sleeve 324 disposed in the first through hole 3221. The magnetic conducting rod 321 is movably sleeved in the guiding sleeve 324. In this way, the guide sleeve 324 facilitates the magnetic conducting rod 321 to move along the axial direction of the first through hole 3221.
In an embodiment, referring to fig. 2 to 4 again, the gas proportional valve further includes a first electromagnetic stop valve 40 and a second electromagnetic stop valve 50, and a first mounting port 112 and a second mounting port 113 are sequentially disposed on a side wall of the intake valve body 11. The first electromagnetic cut-off valve 40 is detachably mounted to the first mounting opening 112, and the second electromagnetic cut-off valve 50 is detachably mounted to the second mounting opening 113. So, the first electromagnetism stop valve 40 and the second electromagnetism stop valve 50 of setting are equivalent to twice sealed, can guarantee the security performance of gas proportional valve.
Further, a first sealing ring 60 is disposed at the first mounting port 112, and a second sealing ring 70 is disposed at the second mounting port 113.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The valve main body structure (10) is characterized by comprising an air inlet valve body (11), a proportional valve body (12) and an air outlet joint (13), wherein the air inlet valve body (11), the proportional valve body (12) and the air outlet joint (13) are of an integrated structure, an air outlet of the air inlet valve body (11) is communicated with the proportional valve body (12), and an air outlet (121) of the proportional valve body (12) is communicated with the air outlet joint (13).
2. Valve body structure (10) according to claim 1, characterized in that the inlet valve body (11), the proportional valve body (12) and the outlet fitting (13) are all integrally formed by die casting, forging or stamping.
3. A valve body arrangement (10) according to claim 1, wherein the inner side wall of the proportional valve body (12) is provided with a removable stop ring (122), the stop ring (122) being circumferentially arranged around the inner side wall of the proportional valve body (12), the stop ring (122) being adapted to cooperate with a closure cap (22) of a valve assembly (20).
4. A valve body structure (10) according to claim 3, wherein a boss (123) is provided on the inner side wall of the proportional valve body (12), and a clamping groove (124) which is in clamping fit with the boss (123) is provided on the outer side wall of the baffle ring (122); or a clamping groove (124) is formed in the inner side wall of the proportional valve body (12), and a boss (123) matched with the clamping groove (124) in a clamping mode is arranged on the outer side wall of the baffle ring (122).
5. A valve body structure (10) according to any one of claims 1 to 4, wherein an inlet end pressure port (111) is provided on a side wall of the inlet valve body (11), and an outlet end pressure port (131) is provided on a side wall of the outlet joint (13).
6. Gas proportional valve, characterized in that it comprises a valve body structure (10) according to any of claims 1 to 5.
7. The gas proportional valve according to claim 6, further comprising a valve assembly (20) movably disposed within the proportional valve body (12), and a proportional adjustment portion (30);
the valve assembly (20) comprises a valve rod (21) arranged in the proportional valve body (12), a sealing cover (22) arranged on the valve rod (21) and a diaphragm (23), the sealing cover (22) is used for being matched with a baffle ring (122) in the proportional valve body (12), and the diaphragm (23) is used for being in sealing fit with an opening (125) of the proportional valve body (12);
proportion regulation portion (30) include outer frame (31) and coil pack (32), outer frame (31) with proportion valve body (12) link to each other, outer frame (31) be used for with edge (231) of diaphragm (23) compress tightly in on the lateral wall of proportion valve body (12), coil pack (32) are located on outer frame (31), coil pack (32) include magnetic pole (321), bobbin (322) and around establishing wire (323) on bobbin (322), bobbin (322) are equipped with first through-hole (3221), movably the setting of magnetic pole (321) is in first through-hole (3221), magnetic pole (321) with valve stem (21) transmission cooperation.
8. The gas proportional valve according to claim 7, wherein the outer frame (31) comprises a top cover plate (311), and a first side plate (312) and a second side plate (313) which are oppositely arranged, the top cover plate (311) is connected with the proportional valve body (12), the top cover plate (311) is used for pressing the edge (231) of the diaphragm (23) on the bottom wall of the proportional valve body (12), the top cover plate (311) is respectively connected with the first side plate (312) and the second side plate (313), a second through hole (3115) corresponding to the first through hole (3221) is arranged in the middle of the top cover plate (311), and one end of the valve stem (21) is inserted into the first through hole (3221) through the second through hole (3115).
9. The gas proportional valve according to any one of claims 6 to 8, further comprising a first electromagnetic stop valve (40) and a second electromagnetic stop valve (50), wherein a first mounting opening (112) and a second mounting opening (113) are sequentially formed in a side wall of the gas inlet valve body (11), the first electromagnetic stop valve (40) is detachably mounted on the first mounting opening (112), and the second electromagnetic stop valve (50) is detachably mounted on the second mounting opening (113).
10. The gas proportioning valve of claim 9 wherein a first sealing ring (60) is disposed at the first mounting port (112) and a second sealing ring (70) is disposed at the second mounting port (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508946.7U CN209943647U (en) | 2019-04-16 | 2019-04-16 | Valve main body structure and gas proportional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508946.7U CN209943647U (en) | 2019-04-16 | 2019-04-16 | Valve main body structure and gas proportional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209943647U true CN209943647U (en) | 2020-01-14 |
Family
ID=69127990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920508946.7U Active CN209943647U (en) | 2019-04-16 | 2019-04-16 | Valve main body structure and gas proportional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209943647U (en) |
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2019
- 2019-04-16 CN CN201920508946.7U patent/CN209943647U/en active Active
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