Fuel gas distributing pipe with four sections

Abstract

The utility model discloses a gas distributing pipe with four sections, which comprises a gas distributing pipe body, the gas distributing pipe body is provided with a gas inlet, a basic chamber, a first adjusting chamber and a second adjusting chamber, the gas inlet is communicated with the basic chamber, the basic chamber is respectively communicated with the first adjusting chamber and the second adjusting chamber, and the first adjusting chamber is communicated with the second adjusting chamber. Mounting positions are arranged at the joints of the basic chamber and the first adjusting chamber as well as the second adjusting chamber, the mounting positions are used for mounting electromagnetic valves, and nozzles are arranged on the basic chamber, the first adjusting chamber and the second adjusting chamber. The gas distribution pipe is simple in structure and small in minimum heat load power, overcomes the defects that in the prior art, the number of sections of a gas distribution pipe is small, the minimum heat load is large, and the requirement of a user for the hot water amount cannot be met, and solves the problems that due to uneven gas distribution, stability of gas ejected by a nozzle is poor, and the combustion working condition is not ideal. And the hot water amount requirement of a user can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gas pipe technical field, concretely relates to a gas distribution pipe with four sections. BACKGROUND

[0002] The gas distribution pipe is an important component of the gas water heater, the gas enters the distribution pipe after being proportionally adjusted by the gas proportional valve, the gas flow is evenly distributed through the gas distribution cavity of the gas pipe, and the electromagnetic valve on the distribution pipe is controlled to realize segmented combustion, thereby realizing control on different loads.

[0003] At present, mainstream gas water heaters all belong to automatic constant temperature type water heaters, after a user sets the required temperature on the operation panel, the water heater provides hot water according to the temperature set by the user, but we find that when the water inlet temperature is relatively high in summer, the hot water temperature is too high, and if the user's water quantity is relatively small, the water heater cannot reach the required temperature at all, and the root cause is that the existing mainstream distribution pipes all have only two sections, and even if the number of nozzles after segmentation is relatively large, the minimum heat load is still not small enough. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the above problems, and provides a gas distribution pipe with four sections.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a gas distribution pipe with four sections, comprising: a distribution pipe body, the distribution pipe body is provided with an air inlet, a basic chamber, a first adjusting chamber and a second adjusting chamber, the air inlet is communicated with the basic chamber, the basic chamber is respectively communicated with the first adjusting chamber and the second adjusting chamber, and an installation position is arranged at the connection of the basic chamber and the first adjusting chamber and the second adjusting chamber, the installation position is used for installing an electromagnetic valve, and the basic chamber, the first adjusting chamber and the second adjusting chamber are all provided with a nozzle.

[0006] As a preferred technical scheme, the basic chamber is provided with two nozzles, the first adjusting chamber is provided with two nozzles, and the second adjusting chamber is provided with one nozzle.

[0007] As a preferred technical scheme, the basic chamber is communicated with the first adjusting chamber through a gas outlet pipeline, and the central axis of the gas outlet pipeline and the central axis of the first adjusting chamber have an included angle of 30-50°.

[0008] As a preferred technical scheme, the distribution pipe body is also provided with a pressure test channel, and the pressure test channel is communicated with the basic chamber.

[0009] As a preferred technical scheme, the two ends of the gas distribution pipe body are respectively provided with a plug cover, and the plug cover is in interference fit with the gas distribution pipe body.

[0010] As a preferred technical scheme, the electromagnetic valve and the mounting position are further provided with a sealing ring, and the sealing ring is in line contact with the mounting position.

[0011] In summary, due to the adoption of the above technical scheme, the beneficial effects of the present application are:

[0012] The utility model provides a four segmented gas distribution pipe, simple structure, minimum heat load power is small, overcome the defect of the prior art in the gas distribution pipe segmentation quantity is few, the minimum heat load is big, can not satisfy user's hot water demand, and the uneven gas distribution causes the stability of the gas that the nozzle sprays is poor, and the combustion condition is not ideal etc. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 A perspective view of a gas distribution pipe according to an embodiment of the present application is shown.

[0014] Fig. 2 An exploded view of a gas distribution pipe according to an embodiment of the present application is shown.

[0015] Fig. 3 A sectional view of a gas distribution pipe according to an embodiment of the present application is shown.

[0016] LEGEND:

[0017] 1, gas distribution pipe body; 2, gas inlet; 3, base chamber; 31, gas outlet pipe; 4, first adjusting chamber; 5, second adjusting chamber; 6, mounting position; 7, electromagnetic valve; 8, nozzle; 9, pressure test channel; 10, plug cover; 11, sealing ring; 12, plugging screw. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the technical scheme of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely in the following with reference to the drawings of the embodiments of the present application. The same reference signs in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0019] Embodiment one

[0020] AsFigs. 1-3 As shown, the embodiment discloses a gas distribution pipe with four sections, comprising: a distribution pipe body 1, which is provided with an air inlet 2, a basic chamber 3, a first adjusting chamber 4 and a second adjusting chamber 5, the air inlet 2 communicates with the basic chamber 3 for introducing gas into the basic chamber 3, the basic chamber 3 respectively communicates with the first adjusting chamber 4 and the second adjusting chamber 5, the gas introduced into the basic chamber 3 can flow into the first adjusting chamber 4 and the second adjusting chamber 5, and the connection between the basic chamber 3 and the first adjusting chamber 4 and the second adjusting chamber 5 is provided with a mounting position 6, the mounting position 6 is used for mounting an electromagnetic valve 7, the electromagnetic valve 7 is used for opening and cutting off the connection between the basic chamber 3 and the first adjusting chamber 4 and the second adjusting chamber 5, and the basic chamber 3, the first adjusting chamber 4 and the second adjusting chamber 5 are provided with nozzles 8, and the gas introduced into each chamber is finally sprayed from the nozzles 8.

[0021] The operation principle and use process of the embodiment are as follows:

[0022] The gas distribution pipe with four sections provided by the utility model can realize four section modes, the first mode is to close two electromagnetic valves 7, at this time, the connection between the basic chamber 3 and the first adjusting chamber 4 and the second adjusting chamber 5 is cut off, and the gas introduced into the basic chamber 3 can only be sprayed from the nozzle 8 of the basic chamber 3; the second mode is to open the electromagnetic valve 7 between the basic chamber 3 and the first adjusting chamber 4 and close the electromagnetic valve 7 between the basic chamber 3 and the second adjusting chamber 5, at this time, the basic chamber 3 communicates with the first adjusting chamber 4, the connection between the basic chamber 3 and the second adjusting chamber 5 is cut off, and the gas can be sprayed from the nozzles 8 in the basic chamber 3 and the first adjusting chamber 4; the third mode is to close the electromagnetic valve 7 between the basic chamber 3 and the first adjusting chamber 4 and open the electromagnetic valve 7 between the basic chamber 3 and the second adjusting chamber 5, at this time, the basic chamber 3 communicates with the second adjusting chamber 5, the connection between the basic chamber 3 and the first adjusting chamber 4 is cut off, and the gas can be sprayed from the nozzles 8 in the basic chamber 3 and the second adjusting chamber 5; the fourth mode is to open two electromagnetic valves 7 at the same time, at this time, the connection between the basic chamber 3 and the first adjusting chamber 4 and the second adjusting chamber 5 is opened, and the gas can be sprayed from the nozzles 8 in the basic chamber 3, the first adjusting chamber 4 and the second adjusting chamber 5. It should be noted that the number of nozzles 8 of the first adjusting chamber 4 and the second adjusting chamber 5 should be different to form differentiation.

[0023] Embodiment two

[0024] The embodiment is developed on the basis of the above-mentioned embodiment, and specifically, the number of nozzles 8 of each chamber is limited, for example, Figs. 1-3As shown in the figure, the base chamber 3 is provided with 2 nozzles 8, the first adjusting chamber 4 is provided with 2 nozzles 8, and the second adjusting chamber 5 is provided with 1 nozzle 8. In this way, in the first mode of the above embodiment, a total of 2 nozzles 8 are working, in the second mode, a total of 4 nozzles 8 are working, in the third mode, a total of 3 nozzles 8 are working, and in the fourth mode, a total of 5 nozzles 8 are working. Each segmented mode only differs by 1 nozzle 8, the load overlap area is large, and the load break phenomenon caused by segmented combustion is avoided, thereby improving the operation stability of the water heater under high and low pressure.

[0025] Embodiment three

[0026] This embodiment is based on the above embodiment, and specifically, as shown in the figure, Figs. 1-3 As shown in the figure, the base chamber 3 is communicated with the first adjusting chamber 4 through the gas outlet pipe 31, and the central axis of the gas outlet pipe 31 and the central axis of the first adjusting chamber 4 have an included angle of 30-50°. The included angle between the central axis of the gas outlet pipe 31 and the central axis of the first adjusting chamber 4 is considered from the machining process, which can reduce the core-pulling process and reduce the manufacturing difficulty.

[0027] Embodiment four

[0028] This embodiment is based on the above embodiment and is developed to solve the problem of how to test the gas pressure of each segment, and specifically, as shown in the figure, Figs. 1-3 As shown in the figure, the gas distribution pipe body 1 is also provided with a pressure test channel 9, which is communicated with the base chamber 3. The pressure test channel 9 can be connected to a pressure measuring device (such as a U-shaped pressure gauge, a micro-pressure gauge, etc.), which facilitates the detection of the gas pressure in each segment state and facilitates production debugging. The pressure test channel 9 is provided with a plugging screw 12, which can be installed after debugging is completed, thereby facilitating operation.

[0029] Embodiment five

[0030] This embodiment is based on the above embodiment and is developed to solve the problem of sealing the gas pipe body, and specifically, as shown in the figure, Figs. 1-3 As shown in the figure, the two ends of the gas distribution pipe body 1 are respectively provided with a plug cover 10, and the plug cover 10 is in interference fit with the gas distribution pipe body 1. The plug cover 10 is used to plug the ends of the first adjusting chamber 4 and the second adjusting chamber 5 to prevent gas leakage. The interference fit can ensure the stability of the sealing, and the structure is simple and reliable.

[0031] Embodiment six

[0032] This embodiment is based on the above embodiment and is developed to solve the problem of sealing the gas pipe body, and specifically, as shown in the figure, Figs. 1-3As shown, the electromagnetic valve 7 and the mounting site 6 are further provided with a sealing ring 11, the sealing ring 11 is in line contact with the mounting site 6, the sealing is realized by the electromagnetic valve 7 and the sealing ring 11, the number of the blocking cover 10 can be reduced, the machining process is reduced, the risk point of gas leakage is reduced, and the structure is simple.

[0033] The above description of the embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will accord with the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A gas distribution tube having four sections, characterized by, The utility model relates to a kind of gas distribution pipe, including: Gas distribution pipe body (1), the gas distribution pipe body (1) is provided with air inlet (2), base chamber (3), first regulating chamber (4) and second regulating chamber (5), the air inlet (2) is communicated the base chamber (3), the base chamber (3) is communicated first regulating chamber (4) and second regulating chamber (5) respectively, and the base chamber (3) and the connecting place of first regulating chamber (4) and second regulating chamber (5) are all provided with an installation site (6), the installation site (6) is used to install electromagnetic valve (7), the base chamber (3), first regulating chamber (4) and second regulating chamber (5) are all provided with nozzle (8).

2. A gas distribution tube having four sections as claimed in claim 1, characterized in that The base chamber (3) is provided with 2 nozzles (8), the first regulating chamber (4) is provided with 2 nozzles (8), and the second regulating chamber (5) is provided with 1 nozzle (8).

3. The four-section gas distribution pipe according to claim 1, characterized in that The base chamber (3) is communicated with the first regulating chamber (4) by gas outlet pipe (31), and the central axis of the gas outlet pipe (31) and the central axis of the first regulating chamber (4) have an included angle of 30-50 °.

4. The four-section gas distribution pipe of claim 1, wherein The gas distribution pipe body (1) is further provided with pressure test channel (9), and the pressure test channel (9) is communicated with the base chamber (3).

5. The four-segment gas distribution pipe of claim 1, wherein Two ends of the gas distribution pipe body (1) are respectively provided with a plug (10), and the plug (10) is interference fit with the gas distribution pipe body (1).

6. The four-segment gas distribution pipe of claim 1, wherein The sealing ring (11) is further provided between the electromagnetic valve (7) and the installation site (6), and the sealing ring (11) is linear contact with the installation site (6).

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