CN108194693A - Gas proportion valve module and gas heater - Google Patents

Abstract

The present invention proposes a gas proportional valve assembly and a gas water heater, wherein the gas proportional valve assembly includes: a main valve body, an air inlet cavity is arranged inside the valve body in turn, an air passage chamber communicated with the inlet chamber, and an air passage chamber connected to the passage The air cavity is connected to the exhaust chamber; the segmented valve body is sealed and assembled with the main valve body, and a segmented cavity is opened in the segmented valve body, and the segmented cavity communicates with the exhaust cavity; the valve core is arranged in the main valve body, and It can seal the air hole; the pressure stabilizing part is fixed in the sub-chamber and is arranged correspondingly to the valve core. Beam flow is carried out through the beam hole, and the airflow after the beam flow is discharged from the air outlet after passing through the segmented cavity. Through the technical solution of the present invention, the beam flow operation of the air flow is realized to improve the stability of the air outlet of the main valve body, thereby improving the consistency of the air flow output of the multiple air distribution rods entering the segmented cavity, thereby improving the proportional valve assembly Stability of operation.

Description

Gas proportional valve assembly and gas water heater

technical field

The invention relates to the technical field of gas appliances, in particular to a gas proportional valve assembly and a gas water heater.

Background technique

The gas proportional valve can control the gas flow and stabilize the gas pressure during the operation of the gas water heater, so as to realize the stability of the gas volume required by the gas water heater during the heating operation and the stability of the water temperature heating.

In the related art, the proportional valve spool is driven by converting electric energy into kinetic energy to open the intake passage to realize gas delivery, but the following defects still exist:

Since there is no limit device for the spool of the proportional valve, the spool tends to be skewed when it is opened, so that the outlet gas flow of the proportional valve is uneven, resulting in uneven distribution of the secondary pressure of the gas flow entering the gas distribution rod in the sectional valve. Uniformity will eventually lead to unstable combustion when the gas water heater is running, which affects the normal operation of the gas water heater.

Contents of the invention

In order to solve at least one of the above technical problems, an object of the present invention is to provide a gas proportional valve assembly.

Another object of the present invention is to provide a gas water heater.

In order to achieve the above object, the embodiment of the first aspect of the present invention proposes a gas proportional valve assembly, including: a main valve body, the inside of the valve body is sequentially provided with an air inlet chamber, an air passage chamber communicated with the inlet chamber, and The exhaust chamber communicated with the air passage chamber, and an air passage hole is set between the air passage chamber and the exhaust chamber; the segmented valve body is sealed and assembled with the main valve body, and a segmented cavity is opened in the segmented valve body, and the segmented cavity It communicates with the exhaust chamber, and the sectional valve body is provided with at least two air outlets communicating with the sectional chamber; the valve core is set in the main valve body and can seal the air hole; the pressure stabilizer is fixed in the sectional chamber , and set correspondingly to the valve core, a beam hole is opened on the voltage regulator, wherein, after the valve core opens the air hole, the airflow derived from the air chamber passes through the beam hole for beam flow, and the beamed air flow passes through the distribution After the segment cavity, it is discharged from the air outlet.

In this technical solution, by setting a pressure stabilizing piece corresponding to the valve core in the subsection cavity, and setting a beam hole on the pressure stabilizing piece, after opening the valve core to communicate the passing air chamber with the exhaust chamber, the inlet The airflow in the air chamber passes through the air chamber and the exhaust chamber in turn, and then passes through the beam hole on the pressure stabilizing part to realize the beam flow operation of the airflow, so as to improve the stability of the air outlet of the main valve body, and then improve the flow rate of the air entering the branch. The consistency of the airflow output of the multiple air distribution rods in the segment chamber improves the stability of the operation of the proportional valve assembly.

Wherein, the fixing part of the pressure stabilizing member can also extend into the exhaust cavity, so as to be fixed on the exhaust cavity.

The beam hole can be a regular square hole or a circular hole, etc., and the valve core and the pressure stabilizing plate can be installed relatively independently, or they can be connected together by an elastic piece.

In addition, the gas proportional valve assembly in the above embodiments proposed by the present invention may also have the following additional technical features:

In the above technical solution, preferably, further comprising: a first spring body, one end of the first spring body is connected to the valve core, and the other end of the first spring body is connected to the pressure stabilizing member.

In this technical solution, by setting the first spring body between the valve core and the pressure regulator, on the one hand, the opening of the valve core can be controlled through the expansion and contraction of the first spring body; on the other hand, by connecting the valve core to the fixed The connection of the provided pressure regulator can reduce the probability of the spool tilting when reciprocating, so as to further improve the stability of the airflow process.

In any of the above technical solutions, preferably, the voltage stabilizing member includes an annular stabilizing plate, the outer ring of the annular stabilizing plate is adapted to the segmented cavity, and the inner ring of the annular stabilizing plate can surround Form a beam hole.

In this technical solution, the voltage stabilizing structure part of the voltage stabilizing part is set as a ring-shaped stabilizing plate with a sheet structure. The ring part is set as a beam hole to ensure that the gas flow passes through the beam hole from the exhaust chamber to the segment chamber. While realizing the beam flow and steady flow functions, the structure is simple and reliable.

When the voltage stabilizer is a ring-shaped stabilizer, the ring-shaped stabilizer can be fixedly installed by the interference fit between the ring-shaped stabilizer and the inner wall of the surrounding segmented cavity, or the ring-shaped stabilizer can be added The fixed structure adopts the fixed structure and is fixedly connected with the sectional valve.

In any of the above technical solutions, preferably, the inner ring of the ring-shaped stabilizing plate is further provided with a split rib, which can divide the beam flow hole into a plurality of split holes with the same area.

In this technical solution, a shunt rib is provided on the inner ring, and the beam hole is divided into a plurality of shunt holes with the same area by the shunt rib, so that the functions of shunting and stabilizing flow can be realized while realizing the function of beam flow.

Wherein, when the inner ring structure is a square, the shunt rib divides the square beam hole into a plurality of small square shunt holes; when the inner ring structure is circular, the shunt rib divides the circular beam hole into A plurality of holes with the same area, wherein the plurality of holes with the same area can be fan-shaped holes of the same shape separated by straight line flow ribs, or flow holes of different shapes but with the same area formed by curved flow flow ribs.

In any of the above technical solutions, preferably, there is at least one shunt rib, and at least one shunt rib is connected to the inner wall of the inner ring along the radial extension of the inner ring; the pressure stabilizing member further includes: A fixed post formed by extending in the exhaust direction; a fixed hole is provided at a designated position on the inner wall of the segmented valve body, wherein one end of the fixed post is connected to the shunt rib, and the other end of the fixed post extends into the fixed hole, and can make the fixed post Hole sealed.

In this technical solution, the shunt ribs are linear shunt ribs, and extend radially to connect with the inner wall of the inner ring part. The other end of the column is connected with the horizontal inner wall of the sectional cavity, so as to realize the fixing of the pressure stabilizing member in the sectional cavity.

As an implementation manner, the number of distribution ribs is two, and a fixing column is provided at a position where the two distribution ribs intersect.

Wherein, the fixing of the fixing column can be realized through interference fit with the fixing hole, or can be realized through fixing with a fixing connecting piece.

In any of the above technical solutions, preferably, a detachable adjusting piece is further arranged in the fixing hole, the adjusting piece is connected to the fixing post, and the adjusting piece is used to adjust the distance between the pressure stabilizing piece and the valve core.

In this technical solution, the adjustment of the distance between the beam hole and the valve core is realized by setting the adjustment member, so as to meet the realization of the beam flow function under different air pressure conditions.

Wherein, the adjusting member may be an adjusting spring connected to the end surface of the fixing post, or an adjusting bolt.

In any of the above-mentioned technical solutions, preferably, a threaded hole is opened on the end surface of the other end of the fixing column; Bolts, adjust the bolts to fit the installation plane.

In this technical solution, by setting the adjustment member as an adjustment bolt, the adjustment bolt is arranged outside the segmented cavity through the fixing hole, and extends into the fixing hole to be screwed with the threaded hole on the end surface of the fixing column. On the one hand, it realizes The fixing of the pressure stabilizing part, on the other hand, realizes the adjustment of the distance between the beam hole and the valve core through thread adjustment, and the adjustment operation is simple and reliable.

In any of the above-mentioned technical solutions, preferably, the pressure stabilizing member is a stabilizing barrel section, one end of the stabilizing barrel section is arranged correspondingly to the valve core, and the other end of the stabilizing barrel section extends to the air outlet; A baffle is provided, and the baffle divides the pressure-stabilizing cylinder section into two air guide passages with the same cross-section.

In this technical scheme, the pressure stabilizing member is set as a stabilizing cylinder section, and a partition is arranged in the stabilizing cylinder section to form two air guide passages inside the pressurizing cylinder section, and each air guiding passage can be connected with the outlet. The air ports are set accordingly to improve the uniformity of air pressure output.

In any of the above technical solutions, preferably, the valve core includes: the valve core sequentially includes an inserting portion, a cylindrical valve core portion, and an umbrella-shaped sealing portion along the air passage direction, and the umbrella-shaped sealing portion can extend through the air passage hole to the branch In the section chamber, the umbrella-shaped sealing part is sealed or the air hole is opened through the reciprocating movement of the valve core.

In any of the above-mentioned technical solutions, preferably, the socket part includes a conical limiting structure and a cylindrical matching structure connected to each other, the maximum outer diameter of the conical limiting structure is larger than the outer diameter of the main body matching structure, and the conical limiting The top of the structure is provided with at least one bar-shaped section groove extending axially to the column matching structure, and the two ends of the bar-shaped section groove extend radially through the outer wall of the cone limiting structure, so that Elastic arms are constructed on both sides of the groove; the gas proportional valve assembly also includes: a diaphragm, which is assembled with an interference fit with the matching structure of the cylinder; Body limit structure setting; fixed seat, a fixed through hole is opened in the fixed seat, the fixed through hole is assembled with the cylinder matching structure, and the end surface of the cone limit structure is fitted with the inner end surface of the fixed through hole to realize the valve Core limit.

In this technical solution, by setting a strip-shaped section groove on the cone limiting structure, the horizontal section of the strip-shaped section groove is a strip-shaped structure, and the strip-shaped structure extends downward in the axial direction to form a gap-shaped strip. Shaped cross-section groove, the cone limit structure on both sides of the strip-shaped cross-section groove has movable space on both sides, combined with its own toughness characteristics, forms an elastic arm. After going through the plug-in path, the elastic arm resets to form a clamping surface on the lower end surface, and finally realizes a fixed clamping connection. By setting a gap groove on the top of the plastic cone structure, when the plug-in matching structure of the valve core and When other components are designed to be interference fit, relying on the plastic deformation ability of plastic, the cone limit structure can realize the easy assembly process and can also be used as an installation limit.

In this technical solution, assembly holes are respectively provided on the diaphragm, the fixed piece and the fixed seat, fixed through holes are opened in the fixed seat, and the assembly hole and the fixed through hole are assembled through the interference fit of the plug-fit structure, realizing Limiting in the horizontal direction, wherein, the fixing seat, the diaphragm and the fixing piece are arranged sequentially from top to bottom. By setting the cone limiting structure, the lower end surface of the cone limiting structure and the upper end surface of the fixed through hole on the fixing seat Cooperate with the setting to realize the axial fixed limit, and then realize the fixed assembly between the gas proportional valve assembly and the diaphragm, the fixed piece and the fixed seat. Parts, rubber elastic cones or limit cylinders with internally threaded holes avoid the inconsistencies in the strokes and deformation of the diaphragm in the compression assembly of the circlips, and improve the stability of the assembly.

In any of the above technical solutions, preferably, it also includes: a magnet fixedly assembled with the fixed seat; a second spring body sleeved on the magnet; a regulating valve corresponding to the magnet, and the regulating valve is used to adjust the The pressure of the airflow, wherein, after the regulating valve is energized, the driving magnetic field is generated to drive the valve core to move back and forth.

In this technical solution, a magnetic field is formed by electrifying the regulating valve, and the magnet in the magnetic field can move back and forth under the activation of the magnetic field, thereby driving the valve core to move back and forth. When the valve core is in the original state, the umbrella-shaped sealing part can seal the air hole , when the spool is moved downwards driven by the magnet, the air hole is opened to realize the air flow transmission to convert the electromagnetic energy into kinetic energy, wherein the regulating valve controls the opening of the spool through the strength of the generated magnetic field.

In any of the above technical solutions, preferably, it also includes: an air intake control valve, arranged in cooperation with the air intake chamber, and the air intake control valve is used to control the air intake of the air intake chamber; an air outlet control valve, arranged in the segmented chamber, And corresponding to each air outlet, the air outlet control valve is used to control the air outlet.

Wherein, both the air intake control valve and the air outlet control valve are electromagnetic valves.

The technical solution of the second aspect of the present invention provides a gas water heater, comprising: the gas proportional valve assembly described in the technical solution of the first aspect of the present invention.

The gas water heater proposed by the technical solution of the second aspect of the present invention is provided with the gas proportional valve assembly described in the technical solution of the first aspect of the present invention, thereby having all the beneficial effects of the above-mentioned gas proportional valve assembly, which will not be repeated here.

Additional aspects and advantages of the invention will become apparent in the description which follows, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 shows a schematic structural view of a gas proportional valve assembly according to an embodiment of the present invention;

FIG. 2 shows a schematic structural view of a voltage stabilizing member according to an embodiment of the present invention;

FIG. 3 shows a schematic plan view of the voltage stabilizing element in FIG. 2 .

Wherein, the corresponding relationship between reference numerals and component names in Fig. 1 to Fig. 3 is:

10 Main valve body, 102 Inlet chamber, 104 Air passage chamber, 106 Exhaust chamber, 108 Air passage hole, 20 Sectional valve body, 202 Sectional chamber, 204 Air outlet, 110 Valve core, 206 Regulator, 208 Section One spring body, 2062 annular voltage stabilizer, 2064 shunt ribs, 2066 fixed column, 210 fixed hole, 212 adjusting bolt, 112 diaphragm, 114 fixed piece, 116 fixed seat, 118 magnet, 120 second spring body, 122 Regulating valve, 30 air intake control valves, 212 air outlet control valves.

Detailed ways

In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

The gas proportional valve assembly according to some embodiments of the present invention will be described below with reference to FIG. 1 and FIG. 3 .

As shown in Figure 1, the gas proportional valve assembly according to the embodiment of the present invention includes: a main valve body 10, the inside of the valve body is provided with an air inlet chamber 102 in turn, and an air passage chamber 104 communicated with the air inlet chamber 102 , and the exhaust chamber 106 communicated with the air passage chamber 104, the air passage hole 108 is arranged between the air passage chamber 104 and the exhaust chamber 106; the segmented valve body 20 is sealed and assembled with the main valve body 10, and the segmented valve body There is a sectional chamber 202 in the 20, and the sectional chamber 202 communicates with the exhaust chamber 106. The sectional valve body 20 is provided with at least two air outlets 204 communicating with the sectional chamber 202; the valve core 110 is arranged on the main valve body 10, and can seal the air hole 108; the pressure stabilizing member 206 is fixed in the subsection cavity 202, and is arranged corresponding to the valve core 110, and the beam flow hole is opened on the pressure stabilizing member 206, wherein, when the valve core 110 opens After passing through the air hole 108 , the airflow derived from the air chamber 104 passes through the beam hole for beam flow, and the beamed air flow passes through the section cavity 202 and then is discharged from the air outlet 204 .

In this embodiment, by setting the pressure stabilizing member 206 corresponding to the valve core 110 in the subsection cavity 202, and setting the beam hole on the pressure stabilizing component 206, when the valve core 110 is opened, the passage chamber 104 and the exhaust After the chamber 106 is connected, the airflow entering the air intake chamber 102 passes through the air chamber 104 and the exhaust chamber 106 in sequence, and then passes through the beam hole on the pressure stabilizing member 206 to realize the beam flow operation of the airflow, so as to improve the main The stability of the air outlet of the valve body 10 further improves the consistency of the air flow output of the plurality of air distribution rods entering the sectional cavity 202 , thereby improving the stability of the operation of the proportional valve assembly.

Wherein, the fixing part of the pressure stabilizing member 206 may also extend into the exhaust chamber 106 to be fixed on the exhaust chamber 106 .

The beam hole can be a regular square hole or a circular hole, etc., and the valve core 110 and the pressure stabilizing plate can be installed relatively independently, or connected together by an elastic member.

Embodiment one:

As shown in Figure 1, in the above embodiment, preferably, the valve core 110 is arranged in the main valve body 10, and can seal the air hole 108; The core 110 is correspondingly arranged, and the pressure stabilizing member 206 is provided with a flow hole, one end of the first spring body 208 is connected to the valve core 110 , and the other end of the first spring body 208 is connected to the voltage stabilizing member 206 .

In this embodiment, by setting the first spring body 208 between the valve core 110 and the pressure stabilizing member 206, on the one hand, the opening degree of the valve core 110 can be controlled through the expansion and contraction of the first spring body 208; Connecting the valve core 110 to the fixed pressure stabilizing member 206 can reduce the probability of the valve core 110 tilting when reciprocating, so as to further improve the stability of the airflow process.

Embodiment two:

As shown in FIGS. 1 to 3 , in any of the above-mentioned embodiments, preferably, the voltage stabilizing member 206 includes a ring-shaped voltage stabilizing piece 2062 , and the outer ring of the ring-shaped voltage stabilizing piece 2062 is adapted to the segmented cavity 202 . , the inner ring portion of the ring-shaped stabilizing plate 2062 can be surrounded to form a beam hole.

In this embodiment, the pressure stabilizing structure part of the pressure stabilizing member 206 is set as an annular stabilizing piece 2062 of sheet structure, and by fitting the outer ring part with the segmented cavity 202, the beam flow of the airflow in the circumferential area is realized, By setting the inner ring part as a beam hole to ensure that the gas flow flows from the exhaust chamber 106 into the segment chamber 202 through the beam hole, the structure is simple and the reliability is high while realizing the functions of beam flow and steady flow.

When the voltage stabilizing piece 206 is a ring-shaped voltage stabilizing piece 2062, the ring-shaped voltage stabilizing piece 2062 can be fixedly installed through the interference fit between the ring-shaped voltage stabilizing piece 2062 and the inner wall of the surrounding segmented cavity 202, or it can be installed in the ring The shape stabilizing plate 2062 increases the fixed structure, and adopts the fixed structure to be fixedly connected with the sectional valve.

As shown in Figure 2 and Figure 3, in any of the above-mentioned embodiments, preferably, the inner ring part of the annular pressure stabilizing plate 2062 is also provided with a shunt rib 2064, and the shunt rib 2064 can separate the beam hole into Multiple orifices with the same area.

In this embodiment, the shunt ribs 2064 are arranged on the inner ring, and the beam holes are divided into multiple shunt holes with the same area by the shunt ribs 2064, so as to realize the functions of the beam flow and realize the balance of flow splitting and steady flow. Function.

Wherein, when the inner ring structure is a square, the shunt rib divides the square beam hole into a plurality of small square shunt holes; when the inner ring structure is circular, the shunt rib divides the circular beam hole into A plurality of holes with the same area, wherein the plurality of holes with the same area can be fan-shaped holes of the same shape separated by straight line flow ribs, or flow holes of different shapes but with the same area formed by curved flow flow ribs.

As shown in Figures 1 to 3, in any of the above-mentioned embodiments, preferably, there is at least one diverter rib 2064, and at least one diverter rib 2064 is connected to the inner ring along the radial extension of the inner ring. On the inner wall; the pressure stabilizing member 206 also includes: a fixed post 2066 formed extending along the exhaust direction; a fixed hole 210 is provided at a designated position on the inner wall of the segmented valve body 20, wherein one end of the fixed post 2066 is connected to the shunt rib 2064 , the other end of the fixing column 2066 extends into the fixing hole 210 and can seal the fixing hole 210 .

In this embodiment, the splitter rib 2064 is a straight splitter rib, which extends radially and connects with the inner wall of the inner ring, and the straight splitter rib is also connected with a fixed column 2066 in the axial direction of the inner ring (that is, the exhaust direction). , the other end of the fixing column 2066 is connected to the horizontal inner wall of the sectional cavity 202 to realize the fixing of the pressure stabilizing member 206 in the sectional cavity 202 .

As an implementation manner, the number of distribution ribs 2064 is two, and a fixing column 2066 is provided at a position where the two distribution ribs 2064 intersect.

Wherein, the fixing of the fixing column 2066 can be realized through an interference fit with the fixing hole 210, or can be fixed through a fixing connecting piece.

Embodiment three:

In any of the above-mentioned embodiments, preferably, a detachable adjusting piece is provided in the fixing hole 210 , the adjusting piece is connected to the fixing column 2066 , and the adjusting piece is used to adjust the distance between the pressure stabilizing piece 206 and the valve core 110 .

In this embodiment, the adjustment of the distance between the beam hole and the valve core 110 is realized by setting the adjustment member, so as to meet the realization of the beam flow function under different air pressure conditions.

Wherein, the adjusting member may be an adjusting spring connected to the end surface of the fixing post 2066 , or an adjusting bolt 212 .

As shown in FIG. 1 , in any of the above-mentioned embodiments, preferably, a threaded hole is opened on the end surface of the other end of the fixing post 2066; the fixing hole 210 extends to the outside of the section cavity 202, and The end face is configured as a mounting plane, and the adjusting member is an adjusting bolt 212, and the adjusting bolt 212 is arranged in close contact with the mounting plane.

In this embodiment, by setting the adjusting member as an adjusting bolt 212, the adjusting bolt 212 is arranged outside the section cavity 202 through the fixing hole 210, and extends into the fixing hole 210 to be screwed with the threaded hole on the end surface of the fixing column 2066. On the one hand, the fixing of the pressure stabilizing member 206 is realized; on the other hand, the adjustment of the distance between the beam orifice and the valve core 110 is realized through screw adjustment, and the adjustment operation is simple and reliable.

Embodiment four:

In any of the above-mentioned embodiments, preferably, the pressure stabilizing member 206 is a pressure stabilizing barrel section, one end of the stabilizing barrel section is arranged corresponding to the valve core 110, and the other end of the stabilizing barrel section extends to the air outlet 204; A baffle is also arranged in the section, and the baffle divides the pressure-stabilizing cylinder section into two air guide passages with the same cross-section.

In this embodiment, the pressure stabilizing member 206 is set as a pressure stabilizing barrel section, and a partition is arranged in the stabilizing barrel section to form two air guide passages inside the pressurizing barrel section, and each air guiding passage can be connected with the pressurizing barrel section. The air outlet 204 is provided correspondingly to improve the uniformity of air pressure output.

In any of the above-mentioned embodiments, preferably, the valve core 110 includes: the valve core 110 sequentially includes an inserting part, a cylindrical valve core 110 part, and an umbrella-shaped sealing part along the air-passing direction, and the umbrella-shaped sealing part can pass through the air-passing hole 108 extends into the sectional cavity 202 , wherein the umbrella-shaped sealing part is sealed or the air passage hole 108 is opened through the back and forth movement of the valve core 110 .

Embodiment five:

In any of the above-mentioned embodiments, preferably, the socket part includes a conical limiting structure and a cylindrical matching structure connected to each other, the maximum outer diameter of the conical limiting structure is larger than the outer diameter of the main matching structure, and the conical limiting structure The top of the structure is provided with at least one bar-shaped section groove extending axially to the column matching structure, and the two ends of the bar-shaped section groove extend radially through the outer wall of the cone limiting structure, so that Elastic arms are formed on both sides of the groove.

In this embodiment, by setting a strip-shaped section groove on the cone limiting structure, the horizontal section of the strip-shaped section groove is a strip-shaped structure, and the strip-shaped structure extends downward in the axial direction to form a gap-shaped strip. Shaped cross-section groove, the cone limit structure on both sides of the strip-shaped cross-section groove has movable space on both sides, combined with its own toughness characteristics, forms an elastic arm. Inward movement, after passing through the insertion path, the elastic arm resets to form a clamping surface on the lower end surface, and finally achieves a fixed clamping connection. By setting a gap groove on the top of the plastic cone structure, when the plugging and matching structure of the valve core 110 When it is designed as an interference fit with other components, relying on the plastic deformation ability of plastic, the cone stop structure can realize the easy assembly process, and can also be used as an installation stop.

As shown in Figure 1, the gas proportional valve assembly also includes: a diaphragm 112, which is assembled with an interference fit with the cylinder matching structure; The limit structure is set; the fixed seat 116 has a fixed through hole in the fixed seat 116, and the fixed through hole is assembled with the cylinder matching structure, and the end surface of the cone limit structure is fitted with the inner end surface of the fixed through hole to realize The spool 110 is limited.

In this embodiment, the diaphragm 112, the fixed piece 114, and the fixed seat 116 are respectively provided with assembly holes correspondingly, and a fixed through hole is provided in the fixed seat 116, and the assembly hole and the fixed through hole are interference fit through the plug-in fitting structure. Assembled to realize the limit in the horizontal direction, wherein, the fixed seat 116, the diaphragm 112 and the fixed piece 114 are arranged sequentially from top to bottom, by setting the cone limit structure, the lower end surface of the cone limit structure and the fixed seat 116 The upper end surface of the fixed through hole on the top is set in cooperation to realize the axial fixed limit, and then realize the fixed assembly between the gas proportional valve assembly and the diaphragm 112, the fixed piece 114 and the fixed seat 116, and through the cone limit structure It is set as a plastic part with a strip-shaped groove, a rubber elastic cone, or a limit cylinder with an internal thread hole, which avoids the inconsistency of the stroke in the compression spring assembly and the deformation of the diaphragm 112 under force. phenomenon occurs, improving the stability of the assembly.

As shown in Figure 1, in any of the above embodiments, preferably, the gas proportional valve assembly further includes: a magnet 118 fixedly assembled with the fixing seat 116; a second spring body 120 sleeved on the magnet 118; The regulating valve 210 is arranged corresponding to the magnet 118. The regulating valve 210 is used to regulate the pressure of the airflow entering the sectional chamber 202. After the regulating valve 210 is energized, the driving magnetic field is generated to drive the spool 110 to move back and forth.

In this embodiment, the regulating valve 210 is energized to form a magnetic field, and the magnet 118 in the magnetic field can move back and forth under the activation of the magnetic field, thereby driving the valve core 110 to move back and forth. When the valve core 110 is in the original state, the umbrella-shaped sealing part The air passage 108 can be sealed, and when the spool 110 is driven downward by the magnet 118, the air passage 108 is opened to realize air flow transmission to convert electromagnetic energy into kinetic energy, wherein the regulating valve 210 controls the strength of the generated magnetic field. The opening degree of the spool 110.

As shown in Fig. 1, in any of the above-mentioned embodiments, preferably, the gas proportional valve assembly further includes: an air intake control valve 30, arranged in cooperation with the air intake chamber 102, and the air intake control valve 30 is used to control the air intake The air chamber 102 takes in air; the air outlet control valve 212 is arranged in the section chamber 202 and corresponding to each air outlet 204 , and the air outlet control valve 212 is used to control the air outlet 204 to output air.

As shown in FIG. 1 , the intake control valve 30 and the exhaust control valve 212 are both solenoid valves, and the intake control valve 30 is provided with an intake hole 302 .

A gas water heater according to an embodiment of the present invention includes the gas proportional valve assembly described in any one of the above embodiments.

The gas water heater proposed by the embodiments of the present invention has all the beneficial effects of the gas proportional valve assembly in the above embodiments because it is provided with the gas proportional valve assembly described in any of the above embodiments, and will not be repeated here.

In the present invention, the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; the term "plurality" refers to two or two above, unless expressly defined otherwise. The terms "installation", "connection", "connection", "fixed" and other terms should be interpreted in a broad sense, for example, "connection" can be fixed connection, detachable connection, or integral connection; "connection" can be directly or indirectly through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear" etc. are based on the orientations shown in the drawings Or positional relationship is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or unit must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as a limitation of the present invention.

In the description of this specification, descriptions of the terms "one embodiment", "some embodiments", "specific embodiments" and the like mean that specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in the present invention In at least one embodiment or example of . In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (13)

1. A gas proportional valve assembly, characterized in that, comprising: Main valve body, the inside of the valve body is sequentially provided with an air intake chamber, an air passage chamber communicated with the air intake chamber, and an exhaust chamber communicated with the air passage chamber, and the air passage chamber communicates with the air passage chamber Air holes are arranged between the exhaust chambers; The segmented valve body is sealed and assembled with the main valve body. A segmented cavity is opened in the segmented valve body, and the segmented cavity communicates with the exhaust cavity. At least two gas outlets communicating with the segmented cavity; The valve core is arranged in the main valve body and can seal the air passage hole; A pressure stabilizing element is fixed in the segmented cavity and arranged correspondingly to the valve core, and a beam flow hole is opened on the pressure stabilizing element, Wherein, after the valve core opens the air passage hole, the airflow derived from the air passage chamber passes through the beam flow hole for beam flow, and the beam flow passes through the segmented chamber and then flows from the Exhaust air outlet. 2. The gas proportional valve assembly according to claim 1, further comprising: A first spring body, one end of the first spring body is connected to the valve core, and the other end of the first spring body is connected to the pressure stabilizing member. 3. The gas proportional valve assembly according to claim 2, characterized in that, The voltage stabilizing piece includes a ring-shaped voltage stabilizing piece, the outer ring of the ring-shaped voltage stabilizing piece is adapted to the segmented cavity, and the inner ring of the ring-shaped voltage stabilizing piece can be surrounded to form the beam hole. 4. The gas proportional valve assembly according to claim 3, characterized in that, A shunt rib is also arranged on the inner ring of the ring-shaped stabilizing plate, and the shunt rib can divide the beam flow hole into a plurality of shunt holes with the same area. 5. The gas proportional valve assembly according to claim 4, characterized in that, There is at least one splitting rib, and at least one splitting rib is connected to the inner wall of the inner ring along the radial extension of the inner ring; The voltage regulator also includes: A fixed column extending along the exhaust direction; A fixed hole is provided at a specified position on the inner wall of the segmented valve body, Wherein, one end of the fixing post is connected to the shunt rib, and the other end of the fixing post extends into the fixing hole and can seal the fixing hole. 6. The gas proportional valve assembly according to claim 5, characterized in that, A detachable adjusting piece is also arranged in the fixing hole, the adjusting piece is connected to the fixing column, and the adjusting piece is used for adjusting the distance between the beam flow hole and the valve core. 7. The gas proportional valve assembly according to claim 6, characterized in that, A threaded hole is provided on the end surface of the other end of the fixing column; The fixing hole extends to the outside of the sectional cavity, and the outer end surface of the fixing hole is configured as a mounting plane, and the adjusting member is an adjusting bolt, and the adjusting bolt is arranged in contact with the mounting plane. 8. The gas proportional valve assembly according to claim 2, characterized in that, The pressure stabilizing part is a stabilizing barrel section, one end of the stabilizing barrel section is arranged corresponding to the valve core, and the other end of the stabilizing barrel section extends to the air outlet; A baffle is also arranged in the pressure stabilizing cylinder section, and the partition divides the pressure stabilizing cylinder section into two air guide passages with the same cross section. 9. The gas proportional valve assembly according to any one of claims 1 to 8, wherein the valve core comprises: The valve core sequentially includes an inserting portion, a cylindrical valve core portion, and an umbrella-shaped sealing portion along the air passage direction, and the umbrella-shaped sealing portion can extend into the segmented cavity through the air passage hole, Wherein, the umbrella-shaped sealing part is sealed or opened by the valve core moving back and forth. 10. The gas proportional valve assembly according to claim 9, characterized in that, The plug-in part includes an interconnected cone limiting structure and a cylinder matching structure, the maximum outer diameter of the cone limiting structure is larger than the outer diameter of the main body matching structure, and the top of the cone limiting structure There is at least one strip-shaped cross-section groove extending axially toward the cylinder fitting structure, and the two ends of the strip-shaped cross-section groove extend radially through the outer wall of the cone limiting structure, so as to Elastic arms are constructed on both sides of the strip-shaped cross-section groove; The gas proportional valve assembly also includes: The diaphragm is assembled with the interference fit of the cylinder matching structure; The fixed piece is sleeved on the matching structure of the cylinder with interference, and is set away from the limiting structure of the cone relative to the diaphragm; A fixing seat, a fixing through hole is opened in the fixing seat, the fixing through hole is assembled with the cylinder matching structure, and the end surface of the cone limiting structure is fitted with the inner end surface of the fixing through hole, Realize the spool limit. 11. The gas proportional valve assembly according to claim 10, further comprising: The magnet is fixedly assembled with the fixed seat; The second spring body is sleeved on the magnet; A regulating valve is arranged corresponding to the magnet, and the regulating valve is used to regulate the pressure of the airflow entering the segmented cavity, Wherein, after the regulating valve is energized, the valve core is driven to move back and forth by generating a driving magnetic field. 12. The gas proportional valve assembly according to claim 11, further comprising: An air intake control valve, set in cooperation with the air intake chamber, the air intake control valve is used to control the air intake of the air intake chamber; An air outlet control valve is arranged in the segmented cavity and is arranged corresponding to each of the air outlets, and the air outlet control valve is used to control the air outlet of the air outlets. 13. A gas water heater, characterized in that it comprises: The gas proportional valve assembly as claimed in any one of claims 1-12.