Combustion chamber assembly and gas water heater

Abstract

The utility model discloses a combustion chamber assembly and gas water heater, combustion chamber assembly includes combustion chamber frame, including the apron and front cover, and the apron and front cover are connected and enclose and form the accommodation cavity, the burner frame is set in the bottom of combustion chamber frame, and it includes the burner front stand and the burner rear stand who are connected, wherein, the bottom of apron is formed with first turnover portion to the burner front stand and is folded, and the bottom of apron is formed with second turnover portion to the burner rear stand and is folded, and first turnover portion and second turnover portion are configured to support the burner frame. The bottom of apron is formed with first turnover portion to the burner front stand and is folded, and the bottom of apron is formed with second turnover portion to the burner rear stand and is folded, and first turnover portion and second turnover portion can realize the auxiliary fixation to the burner frame, help to promote the assembly efficiency, reduce the screw usage amount at the same time, and the burner frame structure is simple and convenient to manufacture, is favorable to reduce production cost.

Description

Technical Field

[0001] This utility model belongs to the technical field of gas water heaters, and in particular relates to a combustion chamber assembly and a gas water heater. Background Technology

[0002] Gas water heaters heat cold water in a heat exchanger by burning gas to produce high-temperature heat. The combustion chamber inside the gas water heater's casing houses the burner, heat exchanger, fan, and other components. The burner frame is prone to shaking and noise during use.

[0003] A Chinese patent with publication number CN110617616 A discloses a burner positioning bracket, including a bracket connecting part and an upper bracket locking part and a lower bracket locking part that are respectively connected at an angle to opposite ends of the bracket connecting part. The bracket connecting part, the upper bracket locking part, and the lower bracket locking part form a U-shaped structure. The bracket connecting part is provided with a positioning protrusion. The upper bracket locking part and the lower bracket locking part are respectively provided with upper bracket locking part slots and lower bracket locking part slots, and each upper bracket locking part slot and each lower bracket locking part slot corresponds to the other.

[0004] The aforementioned burner positioning bracket requires a first bracket, a second bracket, a first outer shell, and a second outer shell to fix the burner burner. This structure is complex, and each component needs to be manufactured separately. Assembly requires a large number of screws, resulting in low assembly efficiency and high production costs. Therefore, the technical problem this invention aims to solve is how to design a technology that improves the assembly efficiency of gas water heaters and reduces production costs. Utility Model Content

[0005] This invention provides a combustion chamber assembly and a gas water heater, which improves the assembly efficiency of the combustion chamber and reduces production costs.

[0006] To achieve the above-mentioned technical objectives, the present invention adopts the following technical solution:

[0007] In the first aspect, the present invention provides a combustion chamber assembly, comprising:

[0008] A combustion chamber frame, comprising a surrounding panel and a front cover, the surrounding panel and the front cover being connected and enclosing to form an accommodating cavity;

[0009] A burner frame, located at the bottom of the combustion chamber frame, includes a front burner frame and a rear burner frame connected to each other.

[0010] The bottom of the enclosure panel folds down toward the front frame of the burner to form a first folding portion, and the bottom of the enclosure panel folds down toward the rear frame of the burner to form a second folding portion. The first folding portion and the second folding portion are configured to support the burner frame.

[0011] In some embodiments of this application, both the first folding portion and the second folding portion have a Z-shaped structure, and the bottom of the first folding portion is inclined upward.

[0012] By tilting the first folding part upwards, it can be tightly fitted to the burner front frame, improving the sealing effect.

[0013] In some embodiments of this application, the burner front frame has a U-shaped structure, including a first side plate, a primary air plate, and a second side plate connected in sequence. The first side plate is fixedly connected to the front cover plate, and the second side plate is fixedly connected to the surrounding plate. A primary air inlet is formed on the primary air plate, and a limiting flange is formed on the edge of the primary air inlet facing the receiving cavity. The limiting flange is configured to fix the flared mouth of the burner assembly.

[0014] By arranging the burner front frame into a U-shaped structure, the first side plate is fixedly connected to the front cover plate, the second side plate is fixedly connected to the surrounding plate, a primary air inlet is formed on the primary air plate, and a limiting flange is formed on the edge of the primary air inlet facing the receiving cavity side. The limiting flange is used to fix the flared mouth of the fire row assembly. The structure is simple and easy to install.

[0015] In some embodiments of this application, the first side plate and the second side plate are both formed with positioning flanges at the ends away from the primary air plate, and the positioning flanges are configured to be connected to the burner rear frame.

[0016] By forming positioning flanges at the ends of the first and second side plates away from the primary air plate, the positioning flanges are used to connect with the burner rear frame, which can improve the stability of the connection between the burner front frame and the burner rear frame.

[0017] In some embodiments of this application, the burner front frame further includes:

[0018] The ear plate is connected to the junction of the primary air plate and the second side plate and extends in a direction away from the second side plate. The ear plate is configured to be fixedly connected to the enclosure plate. The ear plate is a flange formed by punching holes in the second side plate.

[0019] By setting ear plates that extend away from the second side plate, the ear plates are used to fix and connect with the surrounding plate, improving the stability of the connection between the burner front frame and the surrounding plate, reducing the shaking of the burner front frame, and helping to reduce noise. The flange formed by punching holes in the second side plate of the ear plates helps to reduce waste generation and secondary processing, which helps to save costs.

[0020] In some embodiments of this application, the burner rear frame has a stepped structure, including a base plate, a connecting plate and an upper end plate connected in sequence. The upper end plate is located above the base plate, and the front and rear ends of the base plate are bent upward to form first folded edges. The burner front frame is disposed on the base plate and located between the two first folded edges.

[0021] By setting the burner rear frame in a stepped structure, including a base plate, a connecting plate and an upper plate connected in sequence, the front and rear ends of the base plate are bent upward to form a first folded edge. The burner front frame is set on the base plate and located between the two first folded edges. On the one hand, the first folded edges limit the burner front frame. On the other hand, the first folded edges make the burner front frame and the burner rear frame more tightly connected, which is conducive to improving the sealing effect of the burner frame.

[0022] In some embodiments of this application, a first and a second air inlet are formed on the base plate.

[0023] By forming primary and secondary air inlets on the base plate, sufficient air can be provided to the accommodating cavity.

[0024] In some embodiments of this application, a first burner limiting groove is formed at the connection between the upper end plate and the connecting plate, the first burner limiting groove being configured to engage with the burner assembly; the upper end plate also forms a second secondary air inlet, the second secondary air inlet being alternately arranged with the first burner limiting groove.

[0025] A first burner limiting groove is formed at the connection between the upper end plate and the connecting plate to facilitate the fixing of the burner assembly. A second secondary air inlet is formed on the upper end plate to supplement air into the accommodating cavity. The second secondary air inlet and the first burner limiting groove are arranged alternately to improve the uniformity of air supplementation.

[0026] In some embodiments of this application, the burner rear frame further includes:

[0027] A fixing plate is fixedly connected to the inner wall of the enclosure. The top of the fixing plate is bent towards the burner front frame to form a folded edge. A second burner limiting groove is formed on the folded edge, and the second burner limiting groove corresponds one-to-one with the first burner limiting groove.

[0028] By setting a fixing plate, which is fixedly connected to the inner wall of the enclosure, the sealing connection between the burner rear frame and the enclosure can be improved. By setting a folded edge at the top of the fixing plate and a second burner limit groove on the folded edge, it is easy to fix the burner assembly.

[0029] In a second aspect, the present invention provides a gas water heater, including a combustion chamber assembly as described in any one of the embodiments of the first aspect above.

[0030] Compared with the prior art, the advantages and positive effects of this utility model are as follows: The combustion chamber assembly includes a combustion chamber frame and a burner frame. The combustion chamber frame includes a surrounding plate and a front cover plate. The surrounding plate and the front cover plate are connected and enclosed to form an accommodating cavity. The bottom of the surrounding plate is folded towards the front frame of the burner to form a first folded part, and the bottom of the surrounding plate is folded towards the rear frame of the burner to form a second folded part. The first folded part and the second folded part are configured to support the burner frame, thereby achieving auxiliary fixation of the burner frame, which helps to improve assembly efficiency and reduces the number of screws used. The burner frame only has two parts: the front frame of the burner and the rear frame of the burner. The structure is simple and easy to manufacture, which helps to reduce production costs. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 One of the structural schematic diagrams of the combustion chamber assembly provided by this utility model;

[0033] Figure 2 Exploded view of the combustion chamber assembly provided by this utility model;

[0034] Figure 3 A schematic diagram of the burner frame provided by this utility model;

[0035] Figure 4 Exploded view of the burner frame provided by this utility model;

[0036] Figure 5 One of the structural schematic diagrams of the enclosure of the combustion chamber assembly provided by this utility model;

[0037] Figure 6 A second schematic diagram of the structure of the enclosure of the combustion chamber assembly provided by this utility model;

[0038] Figure 7The third schematic diagram of the structure of the enclosure of the combustion chamber assembly provided by this utility model;

[0039] Figure 8 A partial internal structural diagram of the combustion chamber assembly provided by this utility model;

[0040] Figure 9 An exploded view of the heat insulation component provided by this utility model.

[0041] Explanation of reference numerals in the attached figures:

[0042] 1. Combustion chamber frame; 11. Enclosure panel; 111. First folding section; 1111. Right end plate; 1112. Right upright plate; 1113. Right support plate; 112. Left side plate; 113. Rear side plate; 114. Right side plate; 115. Second folding section; 1151. Left end plate; 1152. Left upright plate; 1153. Left support plate; 12. Front cover plate; 13. Bending section; 131. First bending section; 1311. First fold; 132. Second bending section; 1321. Second fold; 133. Third bending section; 1331. Third fold;

[0043] 2. Heat insulation component; 21. Front heat insulation plate; 22. Rear heat insulation plate; 23. Left heat insulation plate; 24. Right heat insulation plate; 25. Slot section; 26. Insertion section;

[0044] 3. Burner frame; 31. Burner front frame; 311. First side plate; 312. Primary air plate; 3121. Primary air inlet; 3122. Connecting plate; 313. Second side plate; 3131. First ear plate; 314. Positioning flange; 32. Burner rear frame; 321. Base plate; 3211. First folded edge; 3212. First and secondary air inlets; 3213. Bending plate; 322. Middle plate; 323. Top plate; 3231. Second and secondary air inlets; 324. First burner row limiting groove; 325. Fixing plate; 3251. Folded edge; 3252. Second burner row limiting groove. Detailed Implementation

[0045] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0046] It should be noted that in the description of this utility model, the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," which indicate directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0047] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0048] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0049] The following disclosure provides many different embodiments or examples for implementing various structures of this invention. To simplify the disclosure, specific examples of components and arrangements are described below. These are merely examples and are not intended to limit the scope of the invention. Furthermore, reference numerals and / or letters may be repeated in different examples; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. In addition, examples of various specific processes and materials are provided in this invention, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0050] A gas water heater is a type of water heater that uses gas as its primary energy source. It produces hot water by transferring the high-temperature heat generated by the combustion of gas to cold water flowing through a heat exchanger.

[0051] Gas water heaters typically include an outer casing, as well as components such as a burner, heat exchanger, fan, and shroud housed within the casing.

[0052] In this process, the gas is delivered to the burner, where it is ignited by an ignition device, so that the burner can burn the delivered gas and generate heat.

[0053] The heat exchanger is equipped with heat exchange tubes. One end of the heat exchange tubes is connected to the water supply pipe, and the other end of the heat exchange tubes is connected to a shower head or faucet.

[0054] The heat generated by the burner burning the gas is used to heat the heat exchange tubes, thereby raising the temperature of the water inside the heat exchange tubes to form hot water.

[0055] When a gas water heater is working, cold water supplied by the water supply pipe flows into the heat exchange tube, and is then heated into hot water by the heat source generated by the burner. The hot water then flows out from the shower head or faucet through the hot water valve for the user's use.

[0056] At the same time, when the gas water heater is working, the fan is powered on and running simultaneously. Under the action of the fan, the flue gas generated by the burner is discharged outdoors.

[0057] In the first aspect, combining Figures 1 to 9 As shown, this disclosure provides a combustion chamber assembly, which includes a combustion chamber frame 1, a heat insulation component 2, and a burner frame 3.

[0058] The combustion chamber frame 1 includes a surrounding plate 11 and a front cover plate 12. The surrounding plate 11 and the front cover plate 12 are connected and enclosed to form a receiving cavity, which is used to place components such as the burner.

[0059] Combination Figure 2 The burner frame 3 is located at the bottom of the combustion chamber frame 1 and below the heat insulation member 2. The burner frame 3 includes a front burner frame 31 and a rear burner frame 32 connected to each other. The front burner frame 31 and the rear burner frame 32 are combined to support and fix the burner's burner assembly.

[0060] The bottom sides of the enclosure 11 are formed with folded portions facing the burner frame 3, and the folded portions are configured to support the burner frame 3; the folded portions include a first folded portion 111 and a second folded portion 115.

[0061] The first folding part 111 faces the burner front frame 31, and the second folding part 115 faces the burner rear frame 32. The first folding part 111 and the second folding part 115 are configured to support the burner frame 3.

[0062] Specifically, the combustion chamber assembly includes a combustion chamber frame 1 and a burner frame 3. The combustion chamber frame 1 includes a surrounding plate 11 and a front cover plate 12, which together form an accommodating cavity. The bottom of the surrounding plate 11 is folded towards the burner front frame 31 to form a first folded portion 111, and the bottom of the surrounding plate 11 is folded towards the burner rear frame 32 to form a second folded portion 115. The first folded portion 111 and the second folded portion 115 are configured to support the burner frame 3, thereby achieving auxiliary fixation of the burner frame 3, which helps to improve assembly efficiency and reduces the number of screws used. The burner frame 3 has only two structural parts: the burner front frame 31 and the burner rear frame 32. The structure is simple and easy to manufacture, which helps to reduce production costs.

[0063] In some embodiments of this application, the first folding portion 111 and the second folding portion 115 are both Z-shaped structures, and the bottom of the first folding portion 111 is inclined upward.

[0064] Specifically, by tilting the bottom of the first folding part 111 upwards, when the burner front frame 31 is attached to the top of the first folding part 111, the first folding part 111 can be tightly fitted to the burner front frame 31, thereby improving the sealing effect.

[0065] In some embodiments of this application, the burner front frame 31 has a U-shaped structure, including a first side plate 311, a primary air plate 312, and a second side plate 313 connected in sequence. The opening of the burner front frame 31 faces the middle plate 322. In actual use, one end of the primary air plate 312 is connected to the first side plate 311, and the other end of the primary air plate 312 is connected to the second side plate 313. The first side plate 311 is fixedly connected to the front cover plate 12, and the second side plate 313 is fixedly connected to the surrounding plate 11, that is, the second side plate 313 is fixedly connected to the rear side plate 113. A primary air inlet 3121 is formed on the primary air plate 312. The edge of the primary air inlet 3121 is formed with a limiting flange along the circumferential direction facing the receiving cavity side. The limiting flange is configured to fix the flared mouth of the burner assembly.

[0066] Specifically, by arranging the burner front frame 31 into a U-shaped structure, the first side plate 311 is fixedly connected to the front cover plate 12, and the second side plate 313 is fixedly connected to the surrounding plate 11. A primary air inlet 3121 is formed on the primary air plate 312. In actual use, primary air enters from the primary air inlet 3121. The edge of the primary air inlet 3121 forms a limiting flange facing the receiving cavity side. The limiting flange is used to fix the flared mouth of the burner assembly, which can improve the stability of the burner assembly. The structure is simple and easy to install.

[0067] In some embodiments of this application, the first side plate 311 and the second side plate 313 are both provided with positioning flanges 314 at the ends away from the primary air plate 312. The two positioning flanges 314 are arranged opposite to each other and are configured to be connected to the burner rear frame 32.

[0068] Specifically, the two positioning flanges 314 can be fixedly connected to the middle plate 322 of the burner rear frame 32 by fasteners or welding.

[0069] Specifically, positioning flanges 314 are formed at the ends of the first side plate 311 and the second side plate 313 away from the primary air plate 312. The positioning flanges 314 are used to connect with the burner rear frame 32. On the one hand, this can improve the stability of the connection between the burner front frame 31 and the burner rear frame 32, and on the other hand, it can improve the sealing effect of the connection between the burner front frame 31 and the burner rear frame 32.

[0070] Specifically, a positioning flange 314 is formed at the end of the burner front frame 31 facing the middle plate 322. The positioning flange 314 connects the burner front frame 31 and the middle plate 322 to form an integrated structure, which improves the structural stability of the burner frame 3 and facilitates subsequent assembly.

[0071] Specifically, both the middle plate 322 and the upper plate 323 are provided with fire drain limit grooves.

[0072] In some embodiments, a fixing part is formed on the upper end plate 323 near the left side plate 112. The fixing part has an L-shaped structure and a notch is formed on the edge of the fixing part. The notch is arranged in the direction of the burner burner to assist in fixing the burner.

[0073] In some embodiments of this application, in order to improve sealing, both the front and rear ends of the intermediate plate 322 are bent upward to form an edge, which fits against the front cover plate 12 and the rear side plate 113.

[0074] In some embodiments of this application, the burner front frame 31 further includes a first lug 3131.

[0075] The first ear plate 3131 is connected to the junction of the primary air plate 312 and the second side plate 313 and extends in a direction away from the second side plate 313. The first ear plate 3131 is configured to be fixedly connected to the rear side plate 113 of the enclosure 11. The first ear plate 3131 is a flange formed by punching holes in the second side plate 313.

[0076] Specifically, by setting a first ear plate 3131, which extends in a direction away from the second side plate 313, the first ear plate 3131 is used to fix and connect with the rear side plate 113, thereby improving the stability of the connection between the burner front frame 31 and the surrounding plate 11, reducing the shaking of the burner front frame 31, and having a good anti-vibration effect, which is conducive to reducing noise. The flange formed by punching holes in the second side plate 313 on the first ear plate 3131 is conducive to reducing waste generation and secondary processing, which is conducive to saving costs. The first ear plate 3131 transmits load through pins or bolts, avoiding complex stress concentration.

[0077] The punched hole in the second side plate 313 at the corresponding first ear plate 3131 is sealed by the second side plate 313 because the second side plate 313 is close to the rear side plate 113, which can improve the sealing performance.

[0078] In some embodiments of this application, the burner rear frame 32 has a stepped structure, including a bottom plate 321, a middle plate 322 and an upper end plate 323 connected in sequence. The upper end plate 323 is located above the bottom plate 321. The bottom plate 321 has a rectangular plate structure. The front and rear ends of the bottom plate 321 are bent upward to form first folded edges 3211. The burner front frame 31 is disposed on the bottom plate 321 and located between the two first folded edges 3211.

[0079] Specifically, by setting the burner rear frame 32 in a stepped structure, including a base plate 321, an intermediate plate 322 and an upper plate 323 connected in sequence, the front and rear ends of the base plate 321 are bent upward to form first folded edges 3211. The burner front frame 31 is set on the base plate 321 and located between the two first folded edges 3211. On the one hand, the first folded edges 3211 limit the burner front frame 31. On the other hand, the first folded edges 3211 make the burner front frame 31 and the burner rear frame 32 more tightly connected, which is conducive to improving the sealing effect of the burner frame 3.

[0080] Specifically, the base plate 321 and the upper plate 323 are both in the horizontal direction, while the middle plate 322 is in the vertical direction.

[0081] In some embodiments of this application, a first and a second air inlet 3212 is formed on the base plate 321.

[0082] Specifically, by forming a first and second air inlet 3212 on the base plate 321, secondary air can enter the accommodating cavity from the first and second air inlet 3212, which can provide sufficient air for the accommodating cavity.

[0083] In some embodiments of this application, a first burner limiting groove 324 is formed at the connection between the upper plate 323 and the middle plate 322. The first burner limiting groove 324 is configured to engage with the burner assembly. The upper plate 323 also forms a second secondary air inlet 3231, which is arranged alternately with the first burner limiting groove 324.

[0084] Specifically, a first burner limiting groove 324 is formed at the connection between the upper end plate 323 and the middle plate 322 to facilitate the fixing of the burner assembly. A second secondary air inlet 3231 is formed on the upper end plate 323, through which secondary air can enter the accommodating cavity to replenish the accommodating cavity. The second secondary air inlet 3231 and the first burner limiting groove 324 are arranged alternately to improve the uniformity of the replenished air.

[0085] Specifically, the second and secondary air inlets 3231 have elongated or circular structures, etc.

[0086] In some embodiments of this application, the first folding portion 111 includes a right end plate 1111, a right upright plate 1112, and a right support plate 1113 connected in sequence, with the right end plate 1111 located above the right support plate 1113; the second folding portion 115 includes a left end plate 1151, a left upright plate 1152, and a left support plate 1153 connected in sequence, with the left end plate 1151 located above the left support plate 1153; wherein, the left end plate 1151, the left support plate 1153, the right end plate 1111, and the right support plate 1113 are in the horizontal direction, and the left upright plate 1152 and the right upright plate 1112 are in the vertical direction.

[0087] In this way, a left heat insulation plate 23 is provided above the left end plate 1151, and a right heat insulation plate 24 is provided above the right end plate 1111, which can make full use of the internal space. At the same time, it is convenient to install the burner frame 3. When the burner assembly is installed on the burner frame 3, there is a certain gap between the flame generated by the combustion of gas and the left and right heat insulation plates 24. The burner will generate high temperature during the combustion process. If the flame directly contacts the heat insulation cotton, it may cause the heat insulation cotton to ignite, thereby causing a fire. Setting a certain gap can also effectively reduce the heat transfer to the heat insulation cotton and ensure safety.

[0088] In some embodiments of this application, combined with Figure 3 and Figure 4 As shown, the burner rear frame 32 also includes a fixing plate 325.

[0089] The fixing plate 325 is fixedly connected to the inner wall of the left upright plate 1152. The top of the fixing plate 325 is bent towards the burner front frame 31 to form a folded edge 3251. A second burner row limiting groove 3252 is formed on the folded edge 3251. The positions of the second burner row limiting groove 3252 and the first burner row limiting groove 324 correspond one-to-one.

[0090] Specifically, during installation, the upper plate 323 overlaps the left support plate 1153, and the left upright plate 1152 is attached to the fixing plate 325.

[0091] Specifically, by setting the fixing plate 325, the sealing connection effect between the burner rear frame 32 and the surrounding plate 11 can be improved. By setting the top edge 3251 of the fixing plate 325, and by setting the second burner limit groove 3252 on the edge 3251, it is convenient to fix the burner assembly.

[0092] In some embodiments of this application, a connecting plate 3122 is formed at the upper end of the primary air plate 312 on the side facing the first folding portion 111, and the connecting plate 3122 overlaps the upper part of the right support plate 1113.

[0093] Specifically, the burner front frame 31 can effectively integrate the primary air plate 312 by stamping, without the need for an additional primary air plate 312 structure, which is simple in structure and easy to process and manufacture; the burner rear frame 32 can effectively integrate the secondary air plate by stamping, without the need for an additional secondary air plate structure, and at the same time, the burner rear frame 32 can be provided with corresponding slots to limit the position of the burner assembly.

[0094] Specifically, the burner front frame 31 is connected to the front cover plate 12 by bolts.

[0095] To improve the tightness of the fit between the connecting plate 3122 and the right support plate 1113, the right support plate 1113 has an upwardly convex arc structure along the width direction. After the connecting plate 3122 and the right support plate 1113 are installed together, the arc structure undergoes elastic deformation, which makes the first folded part 111 fit tightly with the burner front frame 31, thus improving the sealing effect.

[0096] In some embodiments of this application, the intermediate plate 322 has a second ear plate formed at the end facing the rear side plate 113. The second ear plate extends in a direction away from the second side plate 313 and is configured to be fixedly connected to the rear side plate 113, thereby improving the stability of the connection between the burner frame 3 and the enclosure plate 11.

[0097] To improve the stability of the connection between the burner front frame 31 and the burner rear frame 32, the end of the base plate 321 facing the primary air plate 312 is bent upward to form a bending plate 3213, which is configured to be fixedly connected to the primary air plate 312.

[0098] In some embodiments of this application, the heat insulation element 2 is disposed in the accommodating cavity, and the heat insulation element 2 has a heat preservation function, which can reduce the heat loss generated by the combustion of gas.

[0099] The heat insulation component 2 is made of heat insulation material, for example, the heat insulation component 2 is made of aluminum silicate heat insulation cotton board.

[0100] The enclosure 11 has a bend 13 formed on the side facing the receiving cavity, and the bend 13 is configured to fix the heat insulation member 2 to the inner wall surface of the receiving cavity.

[0101] Specifically, the combustion chamber assembly includes a combustion chamber frame 1 and a heat insulation component 2. The combustion chamber frame 1 includes a surrounding plate 11 and a front cover plate 12. The surrounding plate 11 and the front cover plate 12 enclose a cavity. The heat insulation component 2 is placed in the cavity to reduce the heat loss from the combustion of the gas. The surrounding plate 11 has a bent portion 13 on the side facing the cavity. The heat insulation component 2 is fixed to the surrounding plate 11 through the bent portion 13, which reduces the amount of screws used and eliminates the need for additional brackets to install the heat insulation component 2, thus improving assembly efficiency.

[0102] For example, the enclosure 11 is U-shaped. The enclosure 11 can be a one-piece structure or a split structure.

[0103] In some embodiments of this application, combined with Figure 5 As shown, the bent part 13 is a flange formed by punching holes on the surrounding plate 11.

[0104] Specifically, the bending part 13 and the surrounding plate 11 are integrated, which can reduce waste and secondary processing, and help save costs.

[0105] In other embodiments, the bend 13 bends toward the heat insulation member 2, so that the bend 13 can prevent the corresponding heat insulation member 2 from moving away from the combustion chamber frame 1 in the horizontal direction, which is beneficial to improving assembly efficiency.

[0106] In some embodiments of this application, combined with Figure 5 , Figure 6 and Figure 7 As shown, the enclosure 11 includes a left side panel 112, a rear side panel 113 and a right side panel 114 connected in sequence, and the bending portion 13 includes a first bending portion 131 and a second bending portion 132.

[0107] The first bend 131 is provided on the left side plate 112 and the right side plate 114 at a position corresponding to the top of the heat insulation member 2.

[0108] The second bending portion 132 is provided on the left side plate 112 and the right side plate 114 at a position corresponding to the bottom end of the heat insulation member 2; the first bending portion 131 and the second bending portion 132 are configured to restrict the heat insulation member 2 from moving in the vertical direction.

[0109] Specifically, by setting the first bending portion 131 and the second bending portion 132, the first bending portion 131 and the second bending portion 132 on the left side plate 112 cooperate with each other to guide and limit the installation of the heat insulation component 2 on the left side plate 112; the first bending portion 131 and the second bending portion 132 on the right side plate 114 cooperate with each other to guide the installation of the heat insulation component 2 on the right side plate 114, which helps to improve installation efficiency.

[0110] Meanwhile, the first bend 131 and the second bend 132 can prevent the heat insulation member 2 from shifting vertically relative to the combustion chamber frame 1, that is, prevent it from moving upward or downward.

[0111] In some other embodiments of this application, in order to improve the structural strength of the left side plate 112, the rear side plate 113, the right side plate 114 and the front cover plate 12 and reduce the occurrence of deformation, the left side plate 112, the rear side plate 113, the right side plate 114 and the front cover plate 12 are all provided with protrusions facing outward.

[0112] In some embodiments of this application, the end of the first bending portion 131 is bent downward to form a first flap 1311, and / or the end of the second bending portion 132 is bent upward to form a second flap 1321. Both the first flap 1311 and the second flap 1321 are configured to prevent the heat insulation member 2 from moving away from the inner wall surface of the receiving cavity.

[0113] Specifically, by forming a first flap 1311 at the end of the first bend 131 and a second flap 1321 at the end of the second bend 132, the first flap 1311 and the second flap 1321 are used to prevent the heat insulation member 2 from moving away from the inner wall surface of the accommodating cavity, thereby improving the installation stability of the heat insulation member 2.

[0114] The first flap 1311 and the second flap 1321 on the left side panel 112 can prevent the left heat insulation plate 23 from moving away from the left side panel 112; the first flap 1311 and the second flap 1321 on the right side panel 114 can prevent the right heat insulation plate 24 from moving away from the right side panel 114.

[0115] In some embodiments of this application, the bending portion 13 further includes a third bending portion 133.

[0116] The third bend 133 is provided on the rear side plate 113 at a position corresponding to the bottom end of the heat insulation member 2, and is configured to restrict the downward movement of the heat insulation member 2.

[0117] Specifically, by providing a third bend 133 on the rear side plate 113, the third bend 133 can provide better support for the heat insulation component 2 and improve the stability of the heat insulation component 2 installation.

[0118] Meanwhile, the third bending part 133 can work with the first bending part 131 and the second bending part 132 to support the heat insulation component 2 as a whole, and share part of the weight of the heat insulation component 2.

[0119] In some embodiments of this application, a third flap 1331 is formed upward at the end of the third bend 133, and the third flap 1331 is configured to prevent the heat insulation member 2 from moving toward the receiving cavity.

[0120] Specifically, by forming a third flap 1331 at the end of the third bend 133, the third flap 1331 can prevent the heat insulation member 2 from moving toward the receiving cavity, which helps to improve the stability of the heat insulation member 2 installation.

[0121] Specifically, the third flap 1331 can prevent the rear heat insulation panel 22 from moving away from the rear side panel 113.

[0122] In some embodiments of this application, the heat insulation component 2 includes a front heat insulation plate 21, a rear heat insulation plate 22, a left heat insulation plate 23, and a right heat insulation plate 24. The front heat insulation plate 21, the rear heat insulation plate 22, the left heat insulation plate 23, and the right heat insulation plate 24 correspond to the front cover plate 12, the rear side plate 113, the left side plate 112, and the right side plate 114, respectively. The front heat insulation plate 21, the rear heat insulation plate 22, the left heat insulation plate 23, and the right heat insulation plate 24 are detachably connected.

[0123] Specifically, by detachably connecting the front heat insulation plate 21, the rear heat insulation plate 22, the left heat insulation plate 23, and the right heat insulation plate 24, modular installation of the heat insulation component 2 can be easily achieved.

[0124] In some embodiments of this application, combined with Figure 9 The front heat insulation plate 21 and the left heat insulation plate 23, the front heat insulation plate 21 and the right heat insulation plate 24, the rear heat insulation plate 22 and the left heat insulation plate 23, and the rear heat insulation plate 22 and the right heat insulation plate 24 shown have a slot portion 25 and a plug portion 26 respectively. The slot portion 25 and the plug portion 26 are configured to connect the front heat insulation plate 21 to one end of the left heat insulation plate 23 and the right heat insulation plate 24, and to connect the rear heat insulation plate 22 to the other end of the left heat insulation plate 23 and the right heat insulation plate 24.

[0125] Specifically, by setting the heat insulation component 2 as a split structure, the heat insulation component 2 includes a front heat insulation plate 21, a rear heat insulation plate 22, a left heat insulation plate 23 and a right heat insulation plate 24. The front heat insulation plate 21, the rear heat insulation plate 22, the left heat insulation plate 23 and the right heat insulation plate 24 each have a slot portion 25 and / or a plug-in portion 26 formed on both sides, which facilitates the insertion and embedding of each other, positioning between adjacent parts, and tighter assembly, which helps to improve the overall structural stability of the heat insulation component 2.

[0126] It should be noted that, with the support of the left heat insulation plate 23 and the right heat insulation plate 24, the position of the front heat insulation plate 21 can be guaranteed even if no openings or flanges are made on the front cover plate 12. Therefore, the front cover plate 12 does not need to be opened, which can ensure the aesthetics of the front, reduce the processing steps, and help reduce costs.

[0127] The assembly method for the combustion chamber assembly includes the following assembly steps:

[0128] First, insert the rear heat insulation plate 22 into the receiving cavity along the rear side plate 113 until the bottom of the rear heat insulation plate 22 abuts against the third bend 133;

[0129] Therefore, from the opening end of the enclosure 11, the left heat insulation plate 23 is inserted along the left side plate 112 between the first bend 131 and the second bend 132 of the left side plate 112 until the left heat insulation plate 23 and the rear heat insulation plate 22 are connected by the slot portion 25 and the insertion portion 26.

[0130] Next, from the opening end of the enclosure 11, the right heat insulation plate 24 is inserted along the right side plate 114 between the first bend 131 and the second bend 132 of the right side plate 114 until the right heat insulation plate 24 and the rear heat insulation plate 22 are connected by the slot portion 25 and the insertion portion 26.

[0131] Next, align the front heat insulation plate 21 with the left heat insulation plate 23 and the right heat insulation plate 24, so that the front heat insulation plate 21 and the left heat insulation plate 23, and the front heat insulation plate 21 and the right heat insulation plate 24 are connected by the slot portion 25 and the plug portion 26.

[0132] Finally, the front cover plate 12 is fixedly connected to the left side plate 112 and the right side plate 114 respectively.

[0133] Specifically, the rear heat insulation plate 22 is inserted into the receiving cavity along the rear side plate 113 until the bottom of the rear heat insulation plate 22 abuts against the third bend 133, thus completing the installation of the rear heat insulation plate 22; then the left heat insulation plate 23 is inserted along the left side plate 112 between the first bend 131 and the second bend 132 of the left side plate 112, so that the left heat insulation plate 23 and the rear heat insulation plate 22 can be inserted through the slot 25 and the plug-in part 26; the right heat insulation plate 24 is inserted into the rear heat insulation plate 22 through the slot 25 and the plug-in part 26; finally, the front heat insulation plate 21 is inserted into the left heat insulation plate 23 and the right heat insulation plate 24 through the slot 25 and the plug-in part 26. In this way, the four heat insulation plates are interlocked with each other, and the heat insulation component 2 formed has high stability and good sealing performance. Finally, the front cover plate 12 is installed to improve the overall sealing performance.

[0134] Specifically, the installation order of the left heat insulation plate 23 and the right heat insulation plate 24 can be interchanged.

[0135] In some embodiments of this application, the following assembly steps further include, prior to the installation of the front heat insulation panel 21:

[0136] The burner rear frame 32 and the burner front frame 31 are fixedly connected to form the burner frame 3. Specifically, the burner front frame 31 is placed on the burner rear frame 32, so that the first side plate 311 and the second side plate 313 are located between the two first folded edges 3211, and the two positioning flanges 314 are fixedly connected to the middle plate 322, and the bending plate 3213 is fixedly connected to the primary air plate 312.

[0137] The burner frame 3 is attached to the enclosure 11, specifically the upper end plate 323 is attached to the left support plate 1153 and the connecting plate 3122 is attached to the right support plate 1113; the burner frame 3 is slid into the enclosure 11 from front to back from the opening end until the second side plate 313 abuts against the rear side plate 113, and the first ear plate 3131 and the second ear plate are fixedly connected to the rear side plate 113 respectively.

[0138] For example, the fixing process of the front cover plate 12 is as follows: the left side plate 112 and the right side plate 114 near the front cover plate 12 are both formed with a third folded edge in the direction away from the accommodating cavity. A connecting part corresponding to the third folded edge is formed at the corresponding position on the front cover plate 12. The third folded edge and the connecting part are connected by bolts, thereby realizing the connection between the front cover plate 12 and the surrounding plate 11. In order to improve the structural stability, the bottom of the front cover plate 12 is fixedly connected to the side plate of the burner front frame 31 by bolts.

[0139] In a second aspect, embodiments of this disclosure provide a gas water heater that includes a combustion chamber assembly as described in any of the embodiments of the first aspect above. Therefore, it possesses all its beneficial effects, which will not be elaborated further here.

[0140] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0141] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions claimed by this utility model.

Claims

1. A combustion chamber assembly, characterized in that, include: A combustion chamber frame, comprising a surrounding panel and a front cover, the surrounding panel and the front cover being connected and enclosing to form an accommodating cavity; A burner frame, located at the bottom of the combustion chamber frame, includes a front burner frame and a rear burner frame connected to each other. The bottom of the enclosure panel folds down toward the front frame of the burner to form a first folding portion, and the bottom of the enclosure panel folds down toward the rear frame of the burner to form a second folding portion. The first folding portion and the second folding portion are configured to support the burner frame.

2. The combustion chamber assembly according to claim 1, characterized in that, Both the first folding part and the second folding part have a Z-shaped structure, and the bottom of the first folding part is inclined upward.

3. The combustion chamber assembly according to claim 1, characterized in that, The burner front frame has a U-shaped structure, including a first side plate, a primary air plate, and a second side plate connected in sequence. The first side plate is fixedly connected to the front cover plate, and the second side plate is fixedly connected to the surrounding plate. A primary air inlet is formed on the primary air plate, and a limiting flange is formed on the edge of the primary air inlet facing the receiving cavity. The limiting flange is configured to fix the flared end of the burner assembly.

4. The combustion chamber assembly according to claim 3, characterized in that, Both the first side plate and the second side plate have positioning flanges at their ends away from the primary air plate, and the positioning flanges are configured to connect to the burner rear frame.

5. The combustion chamber assembly according to claim 3, characterized in that, The burner front frame also includes: The ear plate is connected to the junction of the primary air plate and the second side plate and extends in a direction away from the second side plate. The ear plate is configured to be fixedly connected to the enclosure plate. The ear plate is a flange formed by punching holes in the second side plate.

6. The combustion chamber assembly according to claim 1, characterized in that, The burner rear frame has a stepped structure, including a base plate, a connecting plate and an upper end plate connected in sequence. The upper end plate is located above the base plate. The front and rear ends of the base plate are bent upward to form first folded edges. The burner front frame is disposed on the base plate and located between the two first folded edges.

7. The combustion chamber assembly according to claim 6, characterized in that, The base plate has a first and a second air inlet.

8. The combustion chamber assembly according to claim 6, characterized in that, A first burner limiting groove is formed at the connection between the upper end plate and the connecting plate. The first burner limiting groove is configured to engage with the burner assembly. The upper end plate also forms a second secondary air inlet, which is arranged alternately with the first burner limiting groove.

9. The combustion chamber assembly according to claim 8, characterized in that, The burner rear frame also includes: A fixing plate is fixedly connected to the inner wall of the enclosure. The top of the fixing plate is bent towards the burner front frame to form a folded edge. A second burner limiting groove is formed on the folded edge, and the second burner limiting groove corresponds one-to-one with the first burner limiting groove.

10. A gas water heater, characterized in that, It includes the combustion chamber assembly as described in any one of claims 1 to 9 above.

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