CN218442816U

CN218442816U - Small-cavity high-power distributor

Info

Publication number: CN218442816U
Application number: CN202120636169.1U
Authority: CN
Inventors: 章林峰
Original assignee: Jiaxing Daywork Machinery Co ltd
Current assignee: Jiaxing Daywork Machinery Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2023-02-03
Anticipated expiration: 2031-03-29

Abstract

The utility model provides a high-power distributor of little cavity of a section, it has solved the poor scheduling problem of gas heater thermal stability, it includes the distributor casing, inside each other divided chamber and the distribution cavity of admitting air that is provided with of distributor casing, the chamber of admitting air communicates with the air inlet of setting on the distributor casing, the chamber of admitting air passes through stop valve mechanism with the distribution cavity, distribution cavity and chamber one side of admitting air are provided with a plurality of gas nozzles with the distribution cavity intercommunication for the uncovered face and opposite side, the gas nozzle is arranged and is two rows, wherein the spout bore that is close to one row of gas nozzle of air inlet and stop valve mechanism is greater than the spout bore of one row of gas nozzle of keeping away from air inlet and stop valve mechanism, be provided with partition mechanism between distribution cavity and the two rows of gas nozzles. The utility model has the advantages of good thermal stability, flexible power regulation and the like.

Description

Small-cavity high-power distributor

Technical Field

The utility model belongs to the technical field of the gas distributor, concretely relates to big power distributor of little cavity of a section.

Background

The gas water heater is also called a gas water heater, and refers to a gas appliance which takes gas as fuel and transfers heat to cold water flowing through a heat exchanger in a combustion heating mode so as to achieve the purpose of preparing hot water. The gas water heater mainly comprises a valve body assembly, a main burner, a small fire burner, a heat exchanger, a safety device and the like, and also comprises a flue of a flue type water heater and a forced-ventilated device of a forced-ventilated type water heater. The valve body assembly controls the working procedure of the whole water heater and comprises a water valve, an air valve, a microswitch, an igniter and the like. When the water heater is installed, valves are installed on the water inlet pipe, the water outlet pipe and the gas pipe. However, in practical application, the gas distributor adopts single-row flaming, so that the thermal stability is poor and the utilization rate of the internal space is low. In addition, the conventional gas distributor cannot flexibly adjust the air inflow, so that the power of the water heater is inconvenient to adjust quickly.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses a constant temperature distribution device for a gas water heater [201920674943.0], which includes a distributor housing and an electromagnetic valve, wherein the distributor housing is tightly connected and sealed with the electromagnetic valve, a chamber is formed on one side surface of the distributor housing, one side surface of the chamber is an open surface, the open surface is connected with a corresponding electromagnetic valve structure, the other side surface of the distributor housing is formed with a plurality of gas nozzles, the gas nozzles are transversely arranged in a straight line, the gas nozzles are distributed into different numbers of first-stage fire nozzles and second-stage fire nozzles, the number of the corresponding gas nozzles is larger than that of the first-stage fire nozzles, the chamber is formed into a corresponding first-stage pressure chamber and second-stage pressure chamber, and is communicated with the gas nozzles of the corresponding number, and the lower end of each chamber is connected with a corresponding gas inlet.

The problem of the inconvenient quick adjustment of water heater power has been solved to a certain extent to above-mentioned scheme, but this scheme still has a lot of inadequacies, for example the thermal stability scheduling problem relatively poor.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a reasonable in design, the high-power distributor of little cavity that thermal stability is good.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the utility model provides a high-power distributor of little cavity, including the distributor casing, inside air inlet chamber and the distribution cavity of being provided with alternate segregation of distributor casing, air inlet chamber and the air inlet intercommunication of setting on the distributor casing, air inlet chamber and distribution cavity pass through stop valve mechanism intercommunication, distribution cavity and air inlet chamber one side are for the face of opening and the opposite side is provided with a plurality of and the gas nozzle of distribution cavity intercommunication, the gas nozzle is arranged and is two rows, wherein the spout bore of the one row of gas nozzle that is close to air inlet and stop valve mechanism is greater than the spout bore of the one row of gas nozzle of keeping away from air inlet and stop valve mechanism, be provided with the partition mechanism between distribution cavity and the two rows of gas nozzles. The two rows of gas nozzles improve the gas output of the single distribution cavity, wherein the nozzle orifices of the gas nozzles are different in size, so that the distributor shell is helped to stably output gas, and the thermal stability of the gas water heater is improved.

In the small-cavity high-power distributor, the partition mechanism comprises a vertical plate for partitioning the distribution cavity into a first distribution cavity, a second distribution cavity and a third distribution cavity, a transverse plate is arranged between the two rows of gas nozzles for partition, and one side of the transverse plate opposite to the opening surface is provided with a plurality of through openings for communicating the distribution cavities where the two rows of gas nozzles are located. The partition mechanism divides the distribution cavity into independent cavities with different sizes, and gas distribution is carried out from the gas inlet cavity according to actual needs, so that the power of the gas water heater can be flexibly adjusted.

In the small-cavity high-power distributor, the volumes of the first distribution cavity, the second distribution cavity and the third distribution cavity are increased one by one, and the gas nozzles connected with the first distribution cavity, the second distribution cavity and the third distribution cavity are increased one by one. The number of the gas nozzles is matched with the volume direction of the distribution cavity, so that the gas outlet quantity of the gas nozzles is consistent.

In the small-cavity high-power distributor, the first distribution cavity is internally provided with an independent air guide cavity separated by the air guide plate and the transverse plate, an air guide channel adjacent to the air guide cavity is arranged between the air guide plate and the inner wall of the distributor shell, and the air guide cavity is communicated with a row of gas nozzles close to the stop valve mechanism. The air guide cavity is further optimized for air inlet of the first distribution cavity with the minimum volume, and when the inner channel of the air guide cavity is coiled, the air guide cavity is prevented from excessively violent air inlet.

In the small-cavity high-power distributor, the stop valve mechanism comprises stop valve ports respectively arranged at the lower ends of the first distribution cavity, the second distribution cavity and the third distribution cavity, the stop valve ports are communicated with the air inlet cavity and the distribution cavity, and a valve body mounting port opposite to the stop valve ports is arranged on the distributor shell. The stop valve mechanism controls the opening and closing of the stop valve port according to actual needs, and further adjusts the air output of the distributor.

In the small-cavity high-power distributor, the pressure measuring port is arranged on one side of the valve body mounting port and is arranged on one side of the open face of the distributor shell. When the valve body installing port admits air, the pressure measurement port can in time monitor the internal pressure size, improves its safety in utilization.

In the above small-cavity high-power distributor, the air inlet cavity has an outward-expanding cavity protruding toward the distribution cavity, the circumferential section of the outward-expanding cavity is trapezoidal and is opposite to the air inlet, and the outward-expanding cavity has a left inclined plate opposite to the second distribution cavity, and a right inclined plate and a top plate opposite to the third distribution cavity. The outer expanding cavity improves the space utilization rate of the air inlet cavity and the distribution cavity, and is matched with the air inlet cavity to intensively distribute the fuel gas.

In the small-cavity high-power distributor, the left side and the right side of the distributor shell are fixedly provided with the mounting plates, the upper side and the lower side of the distributor shell and the separating mechanism are provided with the fixing seats, the reinforcing blocks are arranged between the side parts of the fixing seats and the distributor shell, and the centers of the fixing seats and the mounting plates are respectively provided with the fixing holes. The mounting plate and the fixing seat are convenient for compressing and fixing the distributor shell inside the water heater.

In the small-cavity high-power distributor, the joint of the air inlet cavity and the distribution cavity is provided with the air guide surface which is obliquely arranged relative to the distributor shell. The gas guide surface effectively guides the gas to flow, internal turbulence is reduced, and the gas outlet stability is further improved.

In the above small-cavity high-power distributor, the air inlet is tubular, the outer side of the air inlet is circumferentially provided with a plurality of reinforcing rings, and the outer side of the air inlet extends axially to form a plurality of reinforcing strips. The structural strength of the joint of the air inlet and the distributor shell is improved through the reinforcing strips and the reinforcing rings.

Compared with the prior art, the utility model has the advantages of: the nozzle orifices of the double rows of gas nozzles have different apertures and are matched with the distribution cavity to effectively distribute the air inflow, so that the thermal stability of the gas water heater is improved; an independent gas guide cavity is arranged in the first distribution cavity, so that the gas is effectively guided to flow, and the gas outlet stability is ensured; the periphery is provided with mounting panel and fixing base, has better installation stability and leakproofness.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of another view angle of the present invention;

in the figure, the distributor housing 1, the mounting plate 11, the fixing base 12, the reinforcing block 13, the fixing hole 14, the air inlet chamber 2, the flared chamber 21, the left inclined plate 22, the right inclined plate 23, the top plate 24, the distribution chamber 3, the first distribution chamber 31, the second distribution chamber 32, the third distribution chamber 33, the air guide plate 34, the air guide chamber 35, the air guide channel 36, the air inlet 4, the reinforcing ring 41, the reinforcing strip 42, the shutoff valve mechanism 5, the shutoff valve port 51, the valve body mounting port 52, the pressure measuring port 53, the gas nozzle 6, the partition mechanism 7, the vertical plate 71, the horizontal plate 72, the through port 73, and the air guide surface 8 are shown.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-2, the small-cavity high-power distributor comprises a distributor housing 1, an air inlet cavity 2 and a distribution cavity 3 which are separated from each other are arranged in the distributor housing 1, the air inlet cavity 2 is communicated with an air inlet 4 arranged on the distributor housing 1, the air inlet cavity 2 is communicated with the distribution cavity 3 through a stop valve mechanism 5, one side of the distribution cavity 3 and one side of the air inlet cavity 2 are open faces, a plurality of gas nozzles 6 communicated with the distribution cavity 3 are arranged on the other side of the distribution cavity 3 and the other side of the air inlet cavity 2, the gas nozzles 6 are arranged in two rows, wherein the nozzle caliber of one row of gas nozzles 6 close to the air inlet 4 and the stop valve mechanism 5 is larger than that of one row of gas nozzles 6 far away from the air inlet 4 and the stop valve mechanism 5, and a separation mechanism 7 is arranged between the distribution cavity 3 and the two rows of gas nozzles 6. The gas passes through air inlet 4 and gets into air inlet chamber 2, later through 5 secondary distribution of stop valve mechanism to each distribution cavity 3 in, later from the even blowout of two rows of gas nozzles 6 in the distribution cavity 3 outside, the gas nozzle 6 of different spout bores is used for balancing the atmospheric pressure of different positions, guarantees the gas nozzle 6 synchronous equivalent blowout gas of two rows about.

Specifically, the partition mechanism 7 includes a vertical plate 71 that partitions the distribution cavity 3 into the first distribution cavity 31, the second distribution cavity 32, and the third distribution cavity 33, a horizontal plate 72 is provided between the two rows of gas nozzles 6 for partitioning, and one side of the horizontal plate 72 opposite to the opening surface is provided with a plurality of through holes 73 that communicate the distribution cavity 3 where the two rows of gas nozzles 6 are located. The vertical plates 71 and the horizontal plates 72 are arranged alternately to partition the inside of the distribution chamber 3, and the internal volume of the distribution chamber rises in a gradient shape in sequence.

Further, the volumes of the first distribution chamber 31, the second distribution chamber 32, and the third distribution chamber 33 are increased one by one, and the gas nozzles 6 to which the first distribution chamber 31, the second distribution chamber 32, and the third distribution chamber 33 are connected are increased one by one. The gas nozzles 6 communicated with each distribution cavity are arranged in a matrix form, and the gas flow rates of the gas nozzles 6 in different distribution cavities are consistent.

Further, the inside of the first distribution chamber 31 is divided into an independent air guide chamber 35 by an air guide plate 34 and a transverse plate 72, an air guide channel 36 adjacent to the air guide chamber 35 is arranged between the air guide plate 34 and the inner wall of the distribution casing 1, and the air guide chamber 35 is communicated with a row of gas nozzles 6 close to the stop valve mechanism 5. The air guide cavity 35 is matched with the air guide channel 36, so that the gas entering the first distribution cavity 31 is firstly sprayed out from the last row of gas nozzles 6, the caliber of the gas nozzles 6 communicated with the air guide cavity 35 is larger, and the phenomenon that the air enters the first distribution cavity 31 too fast is effectively avoided.

Further, the shutoff valve mechanism 5 includes shutoff valve ports 51 provided at lower ends of the first distribution chamber 31, the second distribution chamber 32, and the third distribution chamber 33, respectively, the shutoff valve ports 51 communicating with the intake chamber 2 and the distribution chamber 3, and a valve body mounting port 52 provided on the distributor housing 1 opposite to the shutoff valve ports 51. The valve body mounting port 52 is internally provided with an electromagnetic valve for controlling the communication between the stop valve port 51 and the air inlet cavity 2 and controlling the communication between a single distribution cavity or a plurality of distribution cavities and the air inlet cavity 2.

In addition, a pressure measuring port 53 is provided on the valve body mounting port 52 side, and the pressure measuring port 53 is provided on the open face side of the dispenser housing 1. The pressure measuring port 53 is externally connected with a pressure gauge, so that the flowing pressure of the fuel gas at the stop valve port 51 can be directly detected, and the air input of the fuel gas can be conveniently adjusted.

Meanwhile, the intake chamber 2 has an outwardly expanded chamber 21 that protrudes toward the distribution chamber 3, the outwardly expanded chamber 21 having a trapezoidal circumferential cross section and being opposite to the intake port 4, and the outwardly expanded chamber has a left sloping plate 22 opposite to the second distribution chamber 32 and a right sloping plate 23 and a top plate 24 opposite to the third distribution chamber 33. The expanding cavity 21 expands the volume of the air inlet cavity 2 and makes full use of the space inside the distributor housing 1 between the air inlet cavity 2 and the distribution cavity 3.

Mounting plates 11 are fixed on the left side and the right side of the distributor housing 1, fixing seats 12 are arranged on the upper side and the lower side of the distributor housing 1 and on the separating mechanism 7, reinforcing blocks 13 are arranged between the side parts of the fixing seats 12 and the distributor housing 1, and fixing holes 14 are respectively formed in the centers of the fixing seats 12 and the mounting plates 11. The fixing holes 14 on the mounting plate 11 and the fixing seat 12 are pressed and fixed on the inner wall of the water heater through threaded connecting pieces, and the sealing performance of the joint of the water heater is improved through sealing pieces such as a sealing gasket.

It is clear that the interface between the inlet chamber 2 and the distribution chamber 3 is provided with an air guide surface 8 which is arranged obliquely with respect to the distributor housing 1. Under the guidance of the air guide surface 8, the fuel gas is concentrated to the bottom of the distribution cavity 3.

Preferably, the air inlet 4 is tubular and has several reinforcing rings 41 circumferentially arranged on the outer side, and several reinforcing bars 42 axially extending on the outer side of the air inlet 4. The reinforcing ring 41 and the reinforcing bars 42 are matched to surround the outside of the air inlet 4 to improve the local structural strength, and the reinforcing bars 42 on the two sides of the air inlet 4 and the distributor shell 1 form a plate-shaped reinforcing structure.

In summary, the principle of the present embodiment is: the gas passes through air inlet 4 and gets into air inlet chamber 2, later through 5 secondary distribution of stop valve mechanism to each distribution cavity 3 in, later from the even blowout of two rows of gas nozzles 6 in the distribution cavity 3 outside, the gas nozzle 6 of different spout bores is used for balancing the atmospheric pressure of different positions, guarantees the gas nozzle 6 synchronous equivalent blowout gas of two rows about.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the distributor housing 1, the mounting plate 11, the fixing base 12, the reinforcing block 13, the fixing hole 14, the air inlet chamber 2, the expanding chamber 21, the left inclined plate 22, the right inclined plate 23, the top plate 24, the distribution chamber 3, the first distribution chamber 31, the second distribution chamber 32, the third distribution chamber 33, the air guide plate 34, the air guide chamber 35, the air guide channel 36, the air inlet 4, the reinforcing ring 41, the reinforcing strip 42, the shutoff valve mechanism 5, the shutoff valve port 51, the valve body mounting port 52, the pressure measuring port 53, the gas nozzle 6, the partition mechanism 7, the vertical plate 71, the transverse plate 72, the through port 73, the air guide surface 8, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The small-cavity high-power distributor comprises a distributor shell (1), wherein an air inlet cavity (2) and a distribution cavity (3) which are separated from each other are arranged inside the distributor shell (1), the air inlet cavity (2) is communicated with an air inlet (4) formed in the distributor shell (1), the air inlet cavity (2) is communicated with the distribution cavity (3) through a stop valve mechanism (5), the small-cavity high-power distributor is characterized in that one side of the distribution cavity (3) and one side of the air inlet cavity (2) are open faces, a plurality of gas nozzles (6) communicated with the distribution cavity (3) are arranged on the other side of the distribution cavity (3) and the air inlet cavity, the gas nozzles (6) are arranged in two rows, the nozzle caliber of one row of gas nozzles (6) close to the air inlet (4) and the stop valve mechanism (5) is larger than the nozzle caliber of one row of gas nozzles (6) far away from the air inlet (4) and the stop valve mechanism (5), and a separation mechanism (7) is arranged between the distribution cavity (3) and the two rows of gas nozzles (6).

2. A small-cavity high-power distributor according to claim 1, wherein the partition mechanism (7) comprises a vertical plate (71) for partitioning the distribution cavity (3) into a first distribution cavity (31), a second distribution cavity (32) and a third distribution cavity (33), a transverse plate (72) is arranged between the two rows of gas nozzles (6) for partitioning, and a plurality of through holes (73) for communicating the distribution cavity (3) where the two rows of gas nozzles (6) are arranged are formed on one side of the transverse plate (72) opposite to the opening surface.

3. A small-cavity high-power distributor according to claim 2, wherein the volumes of the first distribution cavity (31), the second distribution cavity (32) and the third distribution cavity (33) are increased one by one, and the volumes of the gas nozzles (6) connected with the first distribution cavity (31), the second distribution cavity (32) and the third distribution cavity (33) are increased one by one.

4. The small-cavity high-power distributor according to claim 3, wherein the inside of the first distribution cavity (31) is divided into independent air guide cavities (35) by air guide plates (34) and transverse plates (72), an air guide channel (36) adjacent to the air guide cavities (35) is arranged between the air guide plates (34) and the inner wall of the distributor shell (1), and the air guide cavities (35) are communicated with a row of gas nozzles (6) close to the stop valve mechanism (5).

5. A small-chamber high-power distributor according to claim 2 wherein the stop valve mechanism (5) comprises a stop valve port (51) disposed at the lower end of the first distribution chamber (31), the second distribution chamber (32) and the third distribution chamber (33), respectively, the stop valve port (51) is communicated with the inlet chamber (2) and the distribution chamber (3), and the distributor housing (1) is provided with a valve body mounting port (52) opposite to the stop valve port (51).

6. A small-cavity high-power distributor according to claim 5, wherein a pressure measuring port (53) is arranged on one side of the valve body mounting port (52), and the pressure measuring port (53) is arranged on one side of an open face of the distributor shell (1).

7. A small-chamber high-power distributor according to claim 2, wherein the air inlet chamber (2) has a diverging chamber (21) which projects toward the distribution chamber (3), the diverging chamber (21) having a trapezoidal circumferential cross section and being opposite to the air inlet (4), the diverging chamber having a left sloping plate (22) opposite to the second distribution chamber (32) and a right sloping plate (23) and a top plate (24) opposite to the third distribution chamber (33).

8. The small-cavity high-power distributor according to claim 1 is characterized in that mounting plates (11) are fixed on the left side and the right side of the distributor shell (1), fixing seats (12) are arranged on the upper side and the lower side of the distributor shell (1) and on the separating mechanism (7), reinforcing blocks (13) are arranged between the side parts of the fixing seats (12) and the distributor shell (1), and fixing holes (14) are respectively formed in the centers of the fixing seats (12) and the mounting plates (11).

9. A small-cavity high-power distributor according to claim 1, wherein an air guide surface (8) which is obliquely arranged relative to the distributor shell (1) is arranged at the joint of the air inlet cavity (2) and the distribution cavity (3).

10. A small-cavity high-power distributor according to claim 1, wherein the air inlet (4) is tubular and is circumferentially provided with a plurality of reinforcing rings (41) on the outer side, and a plurality of reinforcing strips (42) axially extend from the outer side of the air inlet (4).