Gas distribution rod and gas water heater

Abstract

A gas distribution rod body, a gas distribution pipe, a separation part and a first installation part are of an integrally-formed structure, when the winter and summer switching function is not needed, a first plugging piece can be installed in a first opening, and a third plugging piece can be installed in the corresponding first installation part; when a winter and summer switching function is needed, the gas channel can be divided into at least two gas dividing cavities only by installing the partition pieces to the corresponding partition parts, then the first plugging piece is installed in the first opening, and the control valve is installed on the first installation part according to needs. Therefore, the gas distribution rod can be simultaneously suitable for a gas water heater with a winter-summer conversion function and a conventional water heater without the winter-summer conversion function, and the applicability of the gas distribution rod is greatly improved. In addition, the utility model further discloses a gas water heater with the gas distribution rod.

Description

Technical Field

[0001] The utility model relates to the technical field of gas appliances, in particular to a gas distributing rod and a gas water heater. Background Art

[0002] Existing gas water heaters usually are provided with a gas distributing rod and a burner assembly, and the gas distributing rod is used to convey gas to each burner unit in the burner assembly.

[0003] Existing gas water heaters are generally divided into water heaters with winter-summer conversion function and conventional water heaters without winter-summer conversion function. Both types of gas water heaters are provided with a gas distributing rod and a burner assembly, and the gas distributing rod is used to convey gas to each burner unit in the burner assembly. Among them, compared with the conventional water heater without winter-summer conversion function, the water heater with winter-summer conversion function needs to adjust the number of burning burner units according to seasonal changes. Therefore, partitions are usually processed in the gas passage of the gas distributing rod, and the gas passage is divided into multiple gas distribution cavities by the partitions. In addition, gas distribution pipes for guiding gas to flow into each gas distribution cavity need to be added to the gas distributing rod body, and control valves are installed at the gas distribution pipes to control the on-off between each gas distribution cavity and the gas distribution pipes, so as to control the number of burning burner units in the burner assembly to achieve the winter-summer conversion function. It can be seen that the gas distributing rod structures adopted by the water heater with winter-summer conversion function and the conventional water heater without winter-summer conversion function are different. Therefore, when producing the two types of gas water heaters, usually two sets of molds need to be opened to process the gas distributing rods of the two types of gas water heaters respectively, which greatly increases the production cost of producing the two types of gas water heaters. Summary of the Utility Model

[0004] The utility model aims to at least solve one of the technical problems existing in the prior art. For this reason, the utility model provides a gas distributing rod with good applicability, which can be applicable to water heaters with winter-summer conversion function and conventional water heaters without winter-summer conversion function.

[0005] The utility model also provides a gas water heater with the above-mentioned gas distributing rod.

[0006] The gas distribution rod according to an embodiment of the present utility model includes: a gas distribution rod body having a gas channel, with first openings formed at both ends of the gas distribution rod body and communicating with the gas channel. The gas channel is provided with a first sealing member for sealing the two first openings. An air inlet hole communicating with the gas channel is further formed on the side wall of the gas distribution rod body; at least one partition portion is arranged on the inner wall of the gas channel and divides the gas channel into at least two interconnected gas distribution cavities. At least one air outlet hole is formed on the side wall of each gas distribution cavity. Each partition portion is provided with a partition member, and the partition member can be cooperatively connected with the partition portion to isolate two adjacent gas distribution cavities from each other; a gas distribution pipe is arranged on one side of the gas distribution rod body, and a gas distribution channel communicating with the gas channel is formed in the gas distribution pipe. At least one communication hole extending to communicate with the gas distribution channel is formed on the side wall of each gas distribution cavity; at least one first installation portion is arranged on the side wall of the gas distribution rod body or the side wall of the gas distribution pipe. The first installation portion is provided with a first installation channel corresponding to and communicating with one of the communication holes. The first installation channel has an installation opening for installing a control valve to control the opening or closing of the corresponding communication hole. Each first installation channel is provided with a third sealing member for sealing the corresponding installation opening; wherein, the gas distribution rod body, all the partition portions, the gas distribution pipe, and all the first installation portions are of an integrally formed structure.

[0007] The gas distribution rod according to an embodiment of the present utility model has at least the following beneficial effects:

[0008] By adopting the gas distributing rod of the embodiment of the present utility model, the gas distributing rod body, the gas distributing pipe, the separating part and the first mounting part are integrally formed structures, so that they can be processed and produced by a set of molds. The separating part is located on the inner wall of the gas passage and divides the gas passage into at least two interconnected gas distributing cavities. Moreover, the gas distributing rod is also provided with a separating member, a first plugging member and a third plugging member. Therefore, when the winter-summer conversion function is not required, the first plugging member can be installed at both ends of the gas passage to plug the corresponding first openings, and the third plugging member can be installed at the corresponding first mounting part to plug the corresponding mounting openings. At this time, the whole gas passage is a through passage and is directly connected to the air inlet hole, and the gas can flow from the air inlet hole into the gas passage and flow out from each air outlet hole; when the winter-summer conversion function is required, only by installing the separating member to the corresponding separating part, the gas passage can be divided into at least two gas distributing cavities, then the first plugging member is installed at both ends of the gas passage to plug the corresponding first openings, and a control valve is installed at the first mounting part as required. The control valve can control the opening or closing of the corresponding communication holes, and further can control the number of gas distributing cavities used, so as to realize the winter-summer conversion function. Thus, it can be seen that the gas distributing rod of the embodiment of the present utility model can be applicable to both gas water heaters with winter-summer conversion functions and conventional water heaters without winter-summer conversion functions. Therefore, there is no need to open two sets of molds to process the gas distributing rods of the two types of gas water heaters respectively, which greatly improves the applicability of the gas distributing rod and is beneficial to reducing the production costs of processing the two types of gas water heaters.

[0009] According to some embodiments of the present utility model, the diameters of the gas distributing cavities at both ends of the gas distributing rod body are less than or equal to the diameters of the corresponding first openings; the number of the gas distributing cavities is at least two, and the diameters of all the gas distributing cavities gradually decrease from one end of the gas distributing rod body towards the other end; or the number of the gas distributing cavities is at least three, and the diameters of all the gas distributing cavities first gradually decrease and then gradually increase from one end of the gas distributing rod body towards the other end.

[0010] According to some embodiments of the present utility model, the diameter of the gas passage gradually decreases first and then gradually increases from one of the first openings towards the other first opening.

[0011] According to some embodiments of the present utility model, in each adjacent pair of the gas distributing cavities, the diameter of one of the gas distributing cavities is greater than that of the other gas distributing cavity. The separating part located between the adjacent two gas distributing cavities has an abutting part, and the abutting part faces the gas distributing cavity with a larger diameter. When the separating member is installed in the gas passage, the separating member abuts against the abutting part.

[0012] According to some embodiments of the present utility model, when the separating member is installed in the gas passage, the outer peripheral wall of the separating member is in interference fit with the inner peripheral wall of the corresponding separating part.

[0013] According to some embodiments of the present utility model, a second mounting portion is provided on the side wall of the air distribution rod body. A second mounting channel communicating with the air inlet hole is provided in the second mounting portion. The second mounting channel is used for mounting an air inlet valve to control the opening or closing of the air inlet hole. The second mounting portion and the air distribution rod body are of an integrally formed structure.

[0014] According to some embodiments of the present utility model, the air distribution pipe is arranged in parallel with the air distribution rod body. Both ends of the air distribution pipe have second openings communicating with the air distribution channels. The air distribution pipe is configured with a second plugging member for plugging the second openings.

[0015] According to some embodiments of the present utility model, all the air distribution cavities include a first air distribution cavity and at least one second air distribution cavity. The air inlet hole is located on the side wall of the first air distribution cavity and communicates with the first air distribution cavity. The air distribution channels communicate with the air inlet hole through the first air distribution cavity. One of the first mounting channels corresponds to and communicates with the communication hole of the first air distribution cavity.

[0016] According to some embodiments of the present utility model, the control valve configured in the first mounting channel is a globe valve. The globe valve includes a valve cover, a valve core and a valve rod. A rotating portion is rotatably mounted on the outer side wall of the valve cover. One end of the valve rod movably passes through the valve cover and extends to be inserted into the rotating portion. The other end of the valve rod is connected to the valve core. An elastic member is sleeved on the outer periphery of the valve rod. One end of the elastic member abuts against the valve cover, and the other end abuts against the outer peripheral wall of the valve rod or the valve core. A guiding groove spirally arranged along the length direction of the valve rod is provided on the peripheral wall of the rotating portion. The valve cover is provided with a limiting portion located outside the guiding groove. The limiting portion is arranged along the length direction of the valve rod. A guiding column is provided at one end of the valve rod close to the rotating portion. The guiding column is movably inserted into the guiding groove and extends to abut against the limiting portion. The limiting portion can prevent the guiding column from rotating along with the rotating portion, and the guiding column can move along the limiting portion; when the valve cover is fixedly mounted on the periphery of the mounting opening of the mounting channel, the valve core is located in the mounting channel, the rotating portion can rotate relative to the valve cover and cause the guiding column to move along the guiding groove, and the valve rod can drive the valve core to move close to or away from the corresponding communication hole along with the guiding column.

[0017] The gas water heater according to the embodiment of the present utility model is provided with the air distribution rod of any one of the above embodiments.

[0018] The gas water heater according to the embodiment of the present utility model has at least the following beneficial effects:

[0019] In the gas water heater according to the embodiment of the present utility model, by providing the gas distribution rod of any of the above embodiments, since the gas distribution rod has good applicability and can be applicable to both the gas water heater with the winter-summer conversion function and the conventional water heater without the winter-summer conversion function, there is no need to open two molds to process the gas distribution rods of the two types of gas water heaters respectively, thus greatly reducing the production cost of the manufacturer when producing the two types of gas water heaters.

[0020] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0021] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0022] Figure 1 is a schematic diagram of the gas distribution rod body according to the embodiment of the present utility model;

[0023] Figure 2 is another schematic diagram of the gas distribution rod body according to the embodiment of the present utility model;

[0024] Figure 3 is a cross-sectional schematic diagram of the gas distribution rod body according to the embodiment of the present utility model;

[0025] Figure 4 is a cross-sectional schematic diagram of the gas distribution rod without the winter-summer conversion function according to the embodiment of the present utility model;

[0026] Figure 5 is a schematic diagram of the gas distribution rod with the winter-summer conversion function according to the embodiment of the present utility model;

[0027] Figure 6 is Figure 5 a cross-sectional schematic diagram of the gas distribution rod in

[0028] Figure 7 is a schematic diagram of the control valve according to the embodiment of the present utility model;

[0029] Reference Signs:

[0030] Gas distribution rod body 100, first opening 110, first plugging member 111, air inlet hole 120, air outlet hole 130, nozzle 131, partition part 140, partition member 141, gas distribution cavity 150, first gas distribution cavity 151, second gas distribution cavity 152, communication hole 160, second installation part 170, second installation channel 171, reinforcing rib 172;

[0031] The branch air pipe 200, the air distribution channel 210, the second opening 220, the second plugging member 221, the first installation part 230, the first installation channel 231, the installation port 232, the third plugging member 233;

[0032] The control valve 300, the valve cover 310, the valve core 320, the valve rod 330, the guide post 331, the rotating part 340, the guide groove 341, the limiting part 350, the elastic part 360, the locking part 370, the operating rod 380. Specific embodiments

[0033] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation to the present invention.

[0034] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention.

[0035] In the description of the present invention, the meaning of "a number of" is one or more, the meaning of "a plurality of" is two or more, and understandings such as "greater than", "less than", "exceeding", etc. do not include the present number, and understandings such as "above", "below", "within", etc. include the present number. If there is a description of "first" and "second", it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0036] In the description of the present invention, unless otherwise clearly defined, terms such as "set", "installed", "connected", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific content of the technical solution.

[0037] Refer to Figures 1 to 6, an embodiment of the present utility model provides a gas distribution rod, which includes a gas distribution rod body 100, at least one partition part 140, a gas distribution pipe 200, and at least one first installation part 230. The gas distribution rod body 100 has a gas channel. First openings 110 communicating with the gas channel are provided at both ends of the gas distribution rod body 100. The gas channel is configured with a first plugging member 111 for plugging the two first openings 110. An air inlet hole 120 communicating with the gas channel is also provided on the side wall of the gas distribution rod body 100. The partition part 140 is arranged on the inner wall of the gas channel and divides the gas channel into at least two interconnected gas distribution cavities 150. At least one air outlet hole 130 is provided on the side wall of each gas distribution cavity 150. Each partition part 140 is configured with a partition member 141, and the partition member 141 can be cooperatively connected with the partition part 140 to isolate two adjacent gas distribution cavities 150 from each other; the gas distribution pipe 200 is arranged on one side of the gas distribution rod body 100. The gas distribution pipe 200 is provided with a gas distribution channel 210 communicating with the gas channel. A communication hole 160 extending to communicate with the gas distribution channel 210 is provided on the side wall of each gas distribution cavity 150. The first installation part 230 is arranged on the side wall of the gas distribution pipe 200. The first installation part 230 is provided with a first installation channel 231 corresponding to and communicating with one of the communication holes 160. The first installation channel 231 has an installation opening 232, and the installation opening 232 is used for installing a control valve 300 to control the opening or closing of the corresponding communication hole 160. Each first installation channel 231 is configured with a third plugging member 233 for plugging the corresponding installation opening 232. Wherein, the gas distribution rod body 100, all partition parts 140, the gas distribution pipe 200, and all first installation parts 230 are of an integrally formed structure.

[0038] By adopting the gas distribution rod of the embodiment of the present utility model, the gas distribution rod body 100, the gas distribution pipe 200, the partition part 140, and the first installation part 230 are of an integrally formed structure, so that they can be processed and produced through a set of molds. The partition part 140 is located on the inner wall of the gas channel and divides the gas channel into at least two interconnected gas distribution cavities 150. And the gas distribution rod is also configured with a partition member 141, a first plugging member 111, and a third plugging member 233. When the winter-summer conversion function is not required, referring to Figure 4 , the first plugging member 111 can be installed at both ends of the gas channel to plug the corresponding first openings 110, and the third plugging member 233 can be installed at the corresponding first installation part 230 to plug the corresponding installation openings 232. At this time, the entire gas channel is a through channel and is directly connected to the air inlet hole 120. The gas can flow from the air inlet hole 120 into the gas channel and flow out from each air outlet hole 130; when the winter-summer conversion function is required, referring to Figure 5 and Figure 6, the gas passage can be divided into at least two gas distribution chambers 150 by simply installing the partition member 141 to the corresponding partition portion 140. Then, the first plugging member 111 is installed at both ends of the gas passage to plug the corresponding first openings 110, and the control valve 300 can be installed at the first installation portion 230 as needed. The control valve 300 can control the opening or closing of the corresponding communication holes 160, and thus can control the number of gas distribution chambers 150 used, and the winter-summer conversion function can be realized accordingly.

[0039] It can be seen that in the gas distribution rod of the embodiment of the present utility model, the gas distribution rod body 100, the gas distribution pipe 200 and the first installation portion 230 are integrally formed structures. Therefore, they can be processed and produced by one mold. The operator can choose whether to install the partition member 141 and the third plugging member 233 according to needs, so that the gas distribution rod can be applicable to both gas water heaters with winter-summer conversion functions and conventional water heaters without winter-summer conversion functions. Therefore, there is no need to open two molds to process the gas distribution rods of the two types of gas water heaters respectively, which greatly improves the applicability of the gas distribution rod and is beneficial to reducing the production costs of the two types of gas water heaters.

[0040] It can be understood that the above-mentioned first installation portion 230 is provided on the side wall of the gas distribution pipe 200 is only an exemplary illustration of Figures 1 to 6 . The first installation portion 230 can be provided on the side wall of the gas distribution rod body 100 in addition to being provided on the side wall of the gas distribution pipe 200. The present utility model does not make specific limitations on this.

[0041] It can be understood that referring to Figures 1 to 6 , a nozzle 131 is installed at each air outlet 130, which can facilitate the spraying of the gas in the gas passage to the outside.

[0042] Referring to Figures 1 to 6 , in some embodiments, the diameters of the gas distribution chambers 150 at both ends of the gas distribution rod body 100 are less than or equal to the diameters of the corresponding first openings 110. The number of gas distribution chambers 150 is specifically three, and the diameters of all gas distribution chambers 150 decrease first and then increase in turn from one end of the gas distribution rod body 100 to the other end.

[0043] By adopting the above structure, the diameters of the gas distribution chambers 150 at both ends of the gas distribution rod body 100 are less than or equal to the diameters of the corresponding first openings 110, thereby facilitating the installation of the partition members 141 into the gas passage from the two first openings 110. In addition, among all the gas distribution chambers 150, the diameters of the gas distribution chambers 150 at both ends of the gas distribution rod body 100 are the largest, and along the direction towards the middle of the gas distribution rod body 100, the diameters of the respective gas distribution chambers 150 decrease in sequence, thereby facilitating the installation of the partition members 141 corresponding to the respective partition portions 140 inward from the first openings 110 at both ends of the gas distribution rod body 100, and further improving the assembly efficiency of the gas distribution rod.

[0044] It can be understood that the number of the above gas distribution chambers 150 is three, which is merely an exemplary illustration for Figures 1 to 6 , and the number of the gas distribution chambers 150 can be not only three, but also four, five, six or more, that is, the number of the gas distribution chambers 150 is at least three, and the present invention does not specifically limit the specific number of the gas distribution chambers 150.

[0045] It can be understood that in order to facilitate the installation of the partition members 141, in addition to setting the diameters of all the gas distribution chambers 150 to decrease and then increase in sequence from one end of the gas distribution rod body 100 towards the other end, in some embodiments, the diameters of all the gas distribution chambers 150 can also be set to decrease in sequence from one end of the gas distribution rod body 100 towards the other end, whereby the partition members 141 can be installed into the interior of the gas passage from the end with a larger diameter of the gas distribution chamber 150.

[0046] It can be understood that in the above structure, that is, when the diameters of all the gas distribution chambers 150 are set to decrease in sequence from one end of the gas distribution rod body 100 towards the other end, the number of the gas distribution chambers 150 can be not only three, but also two, four, five, six or more, that is, the number of the gas distribution chambers 150 is at least two, and the present invention does not specifically limit the specific number of the gas distribution chambers 150.

[0047] Referring to Figures 1 to 6 , in some embodiments, the diameter of the gas passage gradually decreases and then gradually increases from one of the first openings 110 towards the other first opening 110.

[0048] By adopting the above structure, the diameters of all the gas distribution cavities 150 gradually decrease first and then gradually increase from one first opening 110 towards the other first opening 110. As a result, the gas distribution cavities 150 at both ends have the largest diameters, and each gas distribution cavity 150 has a structure where the diameter gradually increases or decreases along the axial direction. Or, one of the gas distribution cavities 150 in the middle of the gas distribution rod body 100 may have a structure where the diameter gradually decreases from both ends towards the middle. The above structures can facilitate the installation of the partition member 141 into the gas passage from the two first openings 110 when needed. At the same time, since the diameters of the gas distribution cavities 150 change gradually, the inner peripheral walls of the gas distribution cavities 150 are relatively smooth. This not only facilitates the flow of gas in the gas distribution cavities 150 but also facilitates guiding the partition member 141 to be installed into the gas passage from one of the first openings 110. In addition, this structure also makes the structure of the gas passage simpler, and thus makes the opening and processing of the gas passage more convenient.

[0049] Referring to Figures 1 to 6 , in some embodiments, among every two adjacent gas distribution cavities 150, the diameter of one gas distribution cavity 150 is larger than that of the other gas distribution cavity 150. The partition portion 140 located between the two adjacent gas distribution cavities 150 has an abutting portion, and the abutting portion faces the gas distribution cavity 150 with a larger diameter. When the partition member 141 is installed in the gas passage, the partition member 141 abuts against the abutting portion.

[0050] By adopting the above structure, the partition portion 140 is provided with an abutting portion facing the side with a larger diameter. Thus, when the partition member 141 needs to be installed, the partition member 141 can be inserted inward from the side with a larger diameter until it abuts against the corresponding abutting portion. The structure is simple and the operation is convenient.

[0051] Referring to Figures 1 to 6 , in some embodiments, when the partition member 141 is installed in the gas passage, the outer peripheral wall of the partition member 141 is in interference fit with the inner peripheral wall of the corresponding partition portion 140.

[0052] By adopting the above structure, when the partition member 141 is installed in the gas passage, the gas distribution rod can be used to achieve the winter-summer conversion function. By having an interference fit between the partition member 141 and the partition portion 140, it can better isolate the two adjacent gas distribution cavities 150, preventing gas from flowing into the unused gas distribution cavity 150 through the gap between the partition member 141 and the partition portion 140 during use. Thus, the switching and adjustment of the winter-summer conversion function can be made more accurate.

[0053] Referring to Figures 1 to 5, in some embodiments, a second mounting portion 170 is provided on the side wall of the gas distribution rod body 100. A second mounting channel 171 communicating with the air inlet hole 120 is formed in the second mounting portion 170. The second mounting channel 171 is used to mount an air inlet valve to control the opening or closing of the air inlet hole 120. The second mounting portion 170 and the gas distribution rod body 100 are of an integrally formed structure.

[0054] In the prior art, the valve body of the air inlet valve is usually installed at the air inlet hole 120 of the gas distribution rod body 100. In order to ensure the airtightness between the valve body and the gas distribution rod body 100, a sealing strip also needs to be provided between the valve body and the gas distribution rod body 100. The valve body is generally installed on the side wall of the gas distribution rod body 100 through a plurality of screws. The sealing strip is clamped between the valve body and the side wall of the gas distribution rod body 100. If the tightening degree of each screw is different during installation, the distance between both ends of the air inlet valve and the side wall of the gas distribution rod will be different, and the sealing strip cannot be effectively clamped at the end with a larger distance, so there is a risk of air leakage. Secondly, this structure usually requires a set of molds for the gas distribution rod body 100 and the valve body of the air inlet valve respectively during production, resulting in a higher production cost.

[0055] Therefore, by adopting the gas distribution rod of the embodiment of the present utility model, the second mounting portion 170 and the gas distribution rod body 100 are integrally formed, and the second mounting channel 171 communicating with the air inlet hole 120 is formed in the second mounting portion 170. During use, the air inlet valve can be directly installed in the second mounting channel 171 to control the opening or closing of the air inlet hole 120. Thus, the embodiment of the present utility model is equivalent to directly integrally forming the valve body of the air inlet valve on the side wall of the gas distribution rod body 100, canceling the structure in the prior art in which the valve body of the air inlet valve is installed on the gas distribution rod body 100 through screws, not only ensuring the airtightness between the air inlet valve and the gas distribution rod body 100, but also saving the production cost of the gas distribution rod because there is no need to provide two sets of molds for the gas distribution rod body 100 and the valve body of the air inlet valve.

[0056] Refer to Figures 1 to 6 , in some embodiments, a reinforcing rib 172 is further provided between the gas distribution rod body 100 and the second mounting portion 170, which can strengthen the structural strength of the gas distribution rod and make the structure of the gas distribution rod more stable.

[0057] Refer to Figures 1 to 6 , in some embodiments, the gas distribution pipe 200 is arranged in parallel with the gas distribution rod body 100. Both ends of the gas distribution pipe 200 have second openings 220 communicating with the gas distribution channels 210. The gas distribution pipe 200 is provided with a second plugging member 221 for plugging the second openings 220.

[0058] By adopting the above structure, the branch gas pipe 200 is arranged in parallel with the branch gas rod body 100, making the structure of the branch gas rod simpler. In addition, by providing second openings 220 communicating with the branch gas passage 210 at both ends of the branch gas pipe 200, it is beneficial to the processing and opening of the branch gas passage 210, making the processing of the branch gas passage 210 simpler and more convenient. After processing, only the two second openings 220 need to be blocked by the second blocking member 221.

[0059] It can be understood that in some embodiments, referring to Figures 1 to 6 , in some embodiments, a first mounting portion 230 is provided at the communication hole 160 of each branch gas chamber 150. The first mounting channel 231 opened in the first mounting portion 230 is coaxially arranged with the corresponding communication hole 160. Thus, during processing, the first mounting channel 231 and the corresponding communication hole 160 can be directly drilled from the outer end surface of the first mounting portion 230 inward. During use, the control valve 300 can be installed into a suitable first mounting channel 231 as needed, and the unused first mounting channels 231 are blocked by the third blocking member 233.

[0060] Referring to Figures 1 to 6 , in some embodiments, all branch gas chambers 150 include a first branch gas chamber 151 and at least one second branch gas chamber 152. The air inlet hole 120 is located on the side wall of the first branch gas chamber 151 and communicates with the first branch gas chamber 151. The branch gas passage 210 communicates with the air inlet hole 120 through the first branch gas chamber 151. One of the first mounting channels 231 corresponds to and communicates with the communication hole 160 of the first branch gas chamber 151.

[0061] By adopting the above structure, when the winter-summer conversion function is not required, the first sub-air cavity 151 is connected to all the second sub-air cavities 152. During use, the fuel gas can directly flow from the air inlet hole 120 into the first sub-air cavity 151 and then flow from the first sub-air cavity 151 to the other second sub-air cavities 152, so that all the sub-air cavities 150 are filled with fuel gas. When the winter-summer conversion function is required, the first sub-air cavity 151 can be used as a normally open sub-air cavity 150. Since one of the first installation channels 231 is correspondingly connected to the communication hole 160 of the first sub-air cavity 151, the on-off between the first sub-air cavity 151 and the air distribution channel 210 can be controlled by the control valve 300 in the first installation channel 231. When the communication hole 160 of the first sub-air cavity 151 is closed, the first sub-air cavity 151 is isolated from the air distribution channel 210, and thus the first sub-air cavity 151 and all the second sub-air cavities 152 are in a disconnected state. The fuel gas can only directly flow from the air inlet hole 120 into the first sub-air cavity 151 and flow out from the air outlet holes 130 on the peripheral wall of the first sub-air cavity 151. When the communication hole 160 of the first sub-air cavity 151 is opened, the first sub-air cavity 151 is connected to the air distribution channel 210. Thus, when the communication holes 160 of the other second sub-air cavities 152 are also opened, the fuel gas flowing in from the air inlet hole 120 can flow from the first sub-air cavity 151 into the air distribution channel 210 and then flow into the second sub-air cavity 152 with the opened communication hole 160, and then the number of used sub-air cavities 150 can be controlled to achieve the winter-summer conversion function.

[0062] Refer to Figures 5 to 7, in some embodiments, the control valve 300 configured in the first installation channel 231 is a globe valve. The globe valve includes a valve cover 310, a valve core 320, and a valve stem 330. A rotating portion 340 is rotatably installed on the outer sidewall of the valve cover 310. One end of the valve stem 330 movably passes through the valve cover 310 and extends to be inserted into the rotating portion 340. The other end of the valve stem 330 is connected to the valve core 320. An elastic member 360 is sleeved on the outer periphery of the valve stem 330. One end of the elastic member 360 abuts against the valve cover 310, and the other end abuts against the outer peripheral wall of the valve stem 330 or the valve core 320. A guiding groove 341 spirally arranged along the length direction of the valve stem 330 is formed on the peripheral wall of the rotating portion 340. The valve cover 310 is provided with a limiting portion 350 located outside the guiding groove 341. The limiting portion 350 is arranged along the length direction of the valve stem 330. A guiding column 331 is provided at one end of the valve stem 330 close to the rotating portion 340. The guiding column 331 is movably inserted into the guiding groove 341 and extends to abut against the limiting portion 350. The limiting portion 350 can prevent the guiding column 331 from rotating along with the rotating portion 340, and the guiding column 331 can move along the limiting portion 350; when the valve cover 310 is fixedly installed on the periphery of the installation opening 232 of the installation channel, the valve core 320 is located inside the installation channel, the rotating portion 340 can rotate relative to the valve cover 310 and cause the guiding column 331 to move along the guiding groove 341, and the valve stem 330 can drive the valve core 320 to move close to or away from the corresponding communication hole 160 following the guiding column 331.

[0063] By adopting the above structure, when it is necessary to adjust the opening or closing of the corresponding connecting hole 160, it is only necessary to twist the rotating part 340. Since the peripheral wall of the rotating part 340 is provided with a guide groove 341 spirally arranged along the length direction of the valve stem 330, the guide column 331 of the valve stem 330 is penetrated by the guide groove 341 and abuts against the limiting part 350 on the external valve cover 310. Therefore, when the rotating part 340 rotates, the guide groove 341 can guide the guide column 331 to move along the limiting part 350 in the length direction of the valve stem 330. Since an elastic member 360 is also sleeved on the periphery of the valve stem 330, during specific use, the valve stem 330 can drive the valve core 320 to move away from the corresponding connecting hole 160 by twisting the rotating part 340, and the rotating part 340 can be locked, thereby opening the corresponding connecting hole 160. At this time, the elastic member 360 is in a compressed state. When the connecting hole 160 needs to be closed, the rotating part 340 is released. At this time, the elastic member 360 elastically recovers, and the valve stem 330 and the valve core 320 can be reset and block the corresponding connecting hole 160 under the elastic force of the elastic member 360, which is easy to operate. In addition, the control valve 300 structure adopted by the utility model, the valve core 320, the valve stem 330 and the rotating part 340 and other components are directly or indirectly fixed to the valve stem 330, the structure is compact and stable, during installation, it is only necessary to extend the valve stem 330 and the valve core 320 into the first installation channel 231, and install the valve cover 310 to the first installation part 230. The installation is convenient and quick, which greatly saves the assembly time of the gas distributor rod and improves the production efficiency of the gas distributor rod.

[0064] Reference Figures 5 to 6 In some embodiments, the valve cover 310 is further provided with a locking portion 370 for locking or releasing the rotating member, and the locking portion 370 can be penetrated through the side wall of the rotating portion 340 to fix the position of the rotating portion 340. Specifically, when in use, the valve stem 330 can drive the valve core 320 to move away from the corresponding connecting hole 160 by twisting the rotating portion 340, and then the rotating portion 340 can be locked and fixed by the locking portion 370, so that the corresponding connecting hole 160 can be kept open, and the elastic member 360 is in a compressed state at this time. When the connecting hole 160 needs to be closed, the locking portion 370 can be released from the rotating portion 340, and the elastic member 360 can be elastically restored at this time, and the valve stem 330 and the valve core 320 can be reset and block the corresponding connecting hole 160 under the elastic force of the elastic member 360, which is convenient to operate.

[0065] Reference Figures 5 to 6 In some embodiments, the rotating part 340 is connected to an operating rod 380, which is located on the side of the rotating part 340 away from the valve stem 330. When in use, the operating rod 380 can be rotated to drive the rotating part 340 to rotate, making the rotation of the rotating part 340 more convenient and labor-saving, and easy for operators to operate.

[0066] An embodiment of the present utility model further provides a gas water heater, which is provided with the gas distribution rod of any of the above embodiments.

[0067] In the gas water heater according to the embodiment of the present utility model, by providing the gas distribution rod of any of the above embodiments, since the gas distribution rod body 100, the gas distribution pipe 200 and the first mounting portion 230 in the gas distribution rod are integrally formed structures, they can be processed and produced by one mold, and the operator can choose whether to install the partition member 141 and the third plugging member 233 according to needs. When the partition member 141 is not installed and the third plugging member 233 is installed in the corresponding first mounting portion 230 to plug the corresponding mounting opening 232, the entire gas passage is a through passage and is directly connected to the air inlet hole 120, so it does not have the winter-summer conversion function. When the partition member 141 is installed in the corresponding partition portion 140, the gas passage can be divided to form at least two gas distribution chambers 150, and a control valve 300 can be installed in the first mounting portion 230 according to needs. The control valve 300 can control the opening or closing of the corresponding communication hole 160, and further can control the number of gas distribution chambers 150 used, so that the winter-summer conversion function can be realized. The operation is simple and convenient. Thus, in the embodiment of the present utility model, the gas distribution rod has good applicability. Therefore, there is no need to open two molds to process the gas distribution rods of two types of gas water heaters respectively. Only by choosing to install the third plugging member 233 or installing the partition member 141 and the control valve 300, the gas water heater can be made to not have or have the winter-summer conversion function, greatly reducing the production cost of the manufacturer when producing different gas water heaters.

[0068] The above has described the embodiments of the present utility model in detail with reference to the drawings, but the present utility model is not limited to the above embodiments. Various changes can be made without departing from the spirit of the present utility model within the knowledge scope of those of ordinary skill in the art.

Claims

1. Gas distribution rod, characterized in that: include: A gas distribution rod body (100) having a gas passage, first openings (110) communicating with the gas passage are formed at both ends of the gas distribution rod body (100), the gas passage is provided with a first blocking member (111) for blocking the two first openings (110), and a gas inlet hole (120) communicating with the gas passage is formed on a side wall of the gas distribution rod body (100); At least one partition (140) is arranged on the inner wall of the gas channel and divides the gas channel into at least two mutually communicating gas separation chambers (150), the side wall of each gas separation chamber (150) is provided with at least one gas outlet hole (130), each of the partitions (140) is provided with a partition (141), and the partition (141) can be connected with the partition (140) and isolate two adjacent gas separation chambers (150) from each other; A gas distribution pipe (200) is arranged on one side of the gas distribution rod body (100), the gas distribution pipe (200) is provided with a gas distribution channel (210) connected to the gas channel, and the side wall of each gas distribution cavity (150) is provided with a connecting hole (160) extending to be connected to the gas distribution channel (210); At least one first mounting portion (230) is arranged on a side wall of the gas distribution rod body (100) or a side wall of the gas distribution pipe (200), the first mounting portion (230) is provided with a first mounting channel (231) correspondingly connected to one of the communication holes (160), the first mounting channel (231) has a mounting opening (232), the mounting opening (232) is used to install a control valve (300) to control the opening or closing of the corresponding communication hole (160), and each first mounting channel (231) is provided with a third blocking member (233) for blocking the corresponding mounting opening (232); Wherein, the gas distribution rod body (100), all the partitions (140), the gas distribution pipe (200) and all the first mounting parts (230) are an integrally formed structure.

2. The gas distribution rod according to claim 1, characterized in that: The diameter of the gas distribution cavities (150) located at both ends of the gas distribution rod body (100) is smaller than or equal to the diameter of the corresponding first opening (110); The number of the air dividing cavities (150) is at least two, and the diameters of all the air dividing cavities (150) decrease sequentially from one end of the air dividing rod body (100) toward the other end; Or the number of the air dividing cavities (150) is at least three, and the diameters of all the air dividing cavities (150) first decrease and then increase sequentially from one end of the air dividing rod body (100) toward the other end.

3. The gas distribution rod according to claim 1 or 2, characterized in that: The diameter of the gas channel gradually decreases and then gradually increases from one of the first openings (110) toward the other of the first openings (110).

4. The gas distribution rod according to claim 2, characterized in that: In each of two adjacent air dividing cavities (150), the diameter of one of the air dividing cavities (150) is larger than the diameter of the other air dividing cavities (150), and the partition (140) between the two adjacent air dividing cavities (150) has a contact portion, the contact portion facing the air dividing cavity (150) with a larger diameter, and when the partition (141) is installed in the gas channel, the partition (141) contacts the contact portion.

5. The gas distribution rod according to claim 1, characterized in that: When the partition (141) is installed in the gas channel, the outer peripheral wall of the partition (141) is interference-fitted with the inner peripheral wall of the corresponding partition portion (140).

6. The gas distribution rod according to claim 1, characterized in that: A second mounting portion (170) is provided on the side wall of the gas dividing rod body (100); the second mounting portion (170) is provided with a second mounting channel (171) connected to the air inlet hole; the second mounting channel (171) is used for mounting an air inlet valve to control the opening or closing of the air inlet hole; the second mounting portion (170) and the gas dividing rod body (100) are an integrally formed structure.

7. The gas distribution rod according to claim 1, characterized in that: The gas distribution pipe (200) is arranged in parallel with the gas distribution rod body (100), both ends of the gas distribution pipe (200) have second openings (220) connected to the gas distribution channel (210), and the gas distribution pipe (200) is provided with a second blocking member (221) for blocking the second opening (220).

8. The gas distribution rod according to claim 1, characterized in that: All of the air division cavities (150) comprise a first air division cavity (151) and at least one second air division cavity (152); the air inlet hole is located on the side wall of the first air division cavity (151) and is connected to the first air division cavity (151); the air division channel (210) is connected to the air inlet hole via the first air division cavity (151); and one of the first installation channels (231) is correspondingly connected to the connecting hole (160) of the first air division cavity (151).

9. The gas distribution rod according to claim 1 or 8, characterized in that: The control valve (300) configured in the first installation channel (231) is a stop valve, comprising a valve cover (310), a valve core (320) and a valve stem (330); a rotating portion (340) is rotatably mounted on the outer wall of the valve cover (310); one end of the valve stem (330) is movably inserted into the valve cover (310) and extends to be inserted into the rotating portion (340); the other end of the valve stem (330) is connected to the valve core (320); an elastic member (360) is sleeved on the outer periphery of the valve stem (330); one end of the elastic member (360) abuts against the valve cover (310), and the other end abuts against the outer periphery of the valve stem (330) or the valve core (320); the rotating portion (34 0) is provided with a guide groove (341) spirally arranged along the length direction of the valve stem (330), the valve cover (310) is provided with a limiting portion (350) located outside the guide groove (341), the limiting portion (350) is arranged along the length direction of the valve stem (330), and a guide column (331) is provided at one end of the valve stem (330) close to the rotating portion (340), the guide column (331) is movably inserted in the guide groove (341) and extends to abut against the limiting portion (350), the limiting portion (350) can prevent the guide column (331) from rotating with the rotating portion (340), and the guide column (331) can move along the limiting portion (350); When the valve cover (310) is fixedly mounted on the periphery of the mounting opening (232) of the mounting channel, the valve core (320) is located in the mounting channel, the rotating portion (340) can rotate relative to the valve cover (310) and cause the guide column (331) to move along the guide groove (341), and the valve stem (330) can drive the valve core (320) to follow the guide column (331) to move closer to or away from the corresponding connecting hole (160).

10. A gas water heater, characterized in that: An air distributor rod as claimed in any one of claims 1 to 9 is provided.

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