A liner assembly and a water heater

By improving the clamp structure and support materials, the problems of clamp forming and fixing effect were solved, achieving stable fixing and cost reduction.

CN224302313UActive Publication Date: 2026-05-29QINGDAO ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE HAIER WATER HEATER CO LTD +1

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGDAO ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE HAIER WATER HEATER CO LTD
Filing Date
2025-04-28
Publication Date
2026-05-29

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Abstract

The utility model relates to the technical field of household appliances, disclose a liner assembly and water heater. The liner assembly includes the clamp and at least two bodies, at least two bodies are side by side arrangement, the clamp includes the clamp body and locking portion, the clamp body includes two arc segments and two straight line sections, two arc segments and two straight line sections are alternately arranged and are connected in proper order to form annular and clamp tightly in at least two bodies outside, two arc segments are respectively pasted in the body wall of two bodies at the end each other side of the opposite side, at least one straight line section forms the opening, and the opening is provided with the locking portion, and the locking portion is used for locking the clamp body, to clamp tightly the body. The liner assembly can be convenient for the forming of the clamp, and can avoid the deformation of the clamp in the assembling process, guarantees its fixed effect to the inner container, and can guarantee the shell quality simultaneously.
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Description

Technical Field

[0001] This utility model relates to the field of household appliance technology, and in particular to an inner tank assembly and a water heater. Background Technology

[0002] A water heater is a device that converts energy (electricity, gas, solar energy, etc.) into heat energy through heat exchange to heat and store water for domestic or industrial use. Based on their working principles, water heaters can be categorized into electric water heaters, gas water heaters, solar water heaters, magnetic water heaters, and air source heat pump water heaters.

[0003] To address the issues of capacity, efficiency, and lifespan in single-tank water heaters, existing technology proposes a dual-tank water heater. This dual-tank water heater uses two interconnected inner tanks for heating, effectively improving the heating rate. When fixing the two inner tanks, at least two clamps are typically engaged on the outer sides of both tanks, meaning each clamp must be simultaneously tightened on the outer sides of both tanks to restrict their relative positions. After the two tanks are fixed, the clamps are connected to a wall mount for wall installation. One end of each clamp has an opening, and locking parts extend from opposite sides of the opening away from the inner tanks. Fasteners pass through the two locking parts sequentially and lock them in place, securing the two inner tanks. However, in related technologies, the opening on the clamp is usually located on the arc segment of the clamp. This design usually has the following problems: 1) The clamp is not easy to form; 2) During the assembly process, the locking part is easy to collide and rub against the back shell, affecting the quality of the back shell; 3) When the operator tightens the fastener, it is easy to cause the clamp to deform, affecting its fixing effect on the inner liner.

[0004] Therefore, there is an urgent need to propose an inner liner component to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to solve or at least alleviate some or all of the above-mentioned problems. Therefore, the purpose of this utility model is to provide an inner tank assembly and a water heater that facilitates the molding of the clamps and prevents deformation of the clamps during assembly, ensuring their fixation effect on the inner tank while also guaranteeing the quality of the shell.

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

[0007] An inner liner assembly, comprising:

[0008] At least two tubes, arranged side by side;

[0009] A clamp includes a clamp body and a locking part. The clamp body includes two arc segments and two straight segments. The two arc segments and the two straight segments are alternately arranged and connected end to end in sequence to form a ring and clamp the outside of at least two gallbladders. The two arc segments are respectively attached to the gallbladder walls on opposite sides of the two gallbladders located at their ends. An opening is formed on at least one straight segment, and the locking part is provided at the opening. The locking part is used to lock the clamp body to clamp the gallbladder.

[0010] As a preferred embodiment of the inner liner assembly provided by this utility model, the inner liner assembly further includes an intermediate support member located between two adjacent liner bodies. The intermediate support member includes two support frames fixedly connected to the inner side of the clamp and symmetrically arranged, with each support frame supporting the liner wall of one of the liner bodies.

[0011] As a preferred embodiment of the inner liner assembly provided by this utility model, the support frame includes:

[0012] The arc-shaped plate is at least partially attached to the gallbladder wall of the corresponding gallbladder body;

[0013] A first connecting plate and a second connecting plate are respectively connected to the two ends of the arc-shaped plate. The first connecting plate is connected to the straight segment on the corresponding side, and there is a gap L between the second connecting plate and the straight segment on the corresponding side.

[0014] As a preferred embodiment of the inner liner assembly provided by this utility model, the gap L between the second connecting plate and the straight segment on the corresponding side is ≤0.8R, where R is the radius of the inner liner.

[0015] As a preferred embodiment of the inner liner assembly provided by this utility model, the support frame includes:

[0016] The arc-shaped plate is at least partially attached to the gallbladder wall of the corresponding gallbladder body;

[0017] The first connecting plate and the second connecting plate are respectively connected to the two ends of the arc-shaped plate, and the first connecting plate and the second connecting plate are respectively connected to the straight segment on the corresponding side.

[0018] As a preferred embodiment of the inner liner assembly provided by this utility model, the arc-shaped plate and the first connecting plate, as well as the arc-shaped plate and the second connecting plate, are connected by arc segments.

[0019] As a preferred embodiment of the inner liner component provided by this utility model, the intermediate support is made of a thermoplastic composite material with reinforcing fibers.

[0020] As a preferred embodiment of the inner liner assembly provided by this utility model, the inner liner assembly further includes fasteners, and the locking part includes two locking plates arranged opposite to each other. The two locking plates are respectively connected to the two ends of the corresponding opening and extend outward. The fastener passes through and locks the two locking plates in sequence.

[0021] As a preferred embodiment of the inner liner assembly provided by this utility model, the edges of the opposite two sides of each locking plate are bent outward to form a reinforced bending portion.

[0022] As a preferred embodiment of the inner liner assembly provided by this utility model, the inner liner assembly further includes a bracket disposed on the clamp, and the bracket is fixedly connected to the external wall bracket through a connector.

[0023] As a preferred embodiment of the inner liner assembly provided by this utility model, the bracket is provided with a connecting hole for the connector to pass through.

[0024] The bracket is welded to the clamp, and the clamp is provided with a welding positioning hole coaxial with the connecting hole.

[0025] As a preferred embodiment of the inner liner component provided by this utility model, the clamp is further provided with an installation positioning hole, which is used to engage with a positioning pin on the installation device.

[0026] As a preferred embodiment of the inner liner assembly provided by this utility model, the mounting and positioning hole is a non-circular hole.

[0027] As a preferred embodiment of the inner liner assembly provided by this utility model, the number of clamps is at least two, and the at least two clamps are arranged at intervals along the axial direction of the liner body and together clamp the liner body.

[0028] This utility model also provides a water heater, including a shell and an inner tank assembly as described above, wherein the inner tank assembly is installed inside the shell.

[0029] The beneficial effects of this utility model are as follows:

[0030] The inner tank assembly provided by this utility model can fix the tank body by setting a clamp. When the tank body expands due to heat, the clamp can restrain it to prevent deformation caused by pressure, while ensuring the flatness of the water heater's appearance. By setting the clamp as two arc segments and two straight segments connected in sequence, the two arc segments can fit against the outer wall of the tank body, thereby increasing the contact area between the clamp and the tank body and improving the clamping effect. By setting the locking part on the straight segment, it can avoid collision and friction between the locking part and the outer shell during assembly, which would affect the quality of the outer shell. On the other hand, it can facilitate the forming of the clamp and prevent the clamp from deforming when the operator tightens the locking part, thus affecting its clamping effect on the tank body.

[0031] By setting an intermediate support, the clamp can be used to constrain the inner tank, preventing the relative positions of two adjacent inner tanks from shifting during use. By setting a gap L between the second connecting plate of the intermediate support and the straight segment on the corresponding side, the material used for the intermediate support can be reduced while ensuring the inner tank is stably fixed, thereby reducing material costs.

[0032] By using thermoplastic composite materials with reinforcing fibers to prepare intermediate support components, on the one hand, the intermediate support components can be guaranteed to have sufficient strength to achieve stable support for the tank body and are not easily deformed; on the other hand, the heat dissipation efficiency of the water heater can be reduced, thereby improving the overall heat preservation effect of the unit and reducing processing costs.

[0033] The water heater provided by this utility model, by applying the above-mentioned inner tank assembly, can ensure the clamping effect of the tank body and guarantee the quality of the outer shell. Attached Figure Description

[0034] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0035] Figure 1 This is a first structural schematic diagram of the inner liner assembly provided by this utility model;

[0036] Figure 2 yes Figure 1 A magnified view of a portion at point A;

[0037] Figure 3 This is a second structural schematic diagram of the inner liner assembly provided by this utility model;

[0038] Figure 4This is a structural schematic diagram of the intermediate support component provided by this utility model;

[0039] Figure 5 This is a third structural schematic diagram of the inner liner assembly provided by this utility model;

[0040] Figure 6 yes Figure 5 A magnified view of a section at point B.

[0041] Figure label:

[0042] 100. Inner liner components;

[0043] 10. Gallbladder;

[0044] 20. Clamp; 21. Clamp body; 2101. Mounting positioning hole; 2102. Welding positioning hole; 211. Straight section; 2110. Opening; 212. Curved section; 22. Locking part; 221. Reinforced bending part;

[0045] 30. Intermediate support component; 31. Support frame; 311. First connecting plate; 312. Second connecting plate; 313. Arc-shaped plate; 3131. Reinforcing rib; 314. Arc segment;

[0046] 40. Fasteners;

[0047] 50. Bracket; 501. Connecting hole. Detailed Implementation

[0048] Before explaining any embodiment of the present invention in detail, it should be understood that the present invention is not limited to its application to the structural details and component arrangements set forth in the following description or shown in the above drawings.

[0049] In this invention, the terms "comprising," "including," "having," or any other variations thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0050] In this invention, the term "and / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. Additionally, in this invention, the character " / " generally indicates that the preceding and following related objects have an "and / or" relationship.

[0051] In this invention, the terms "connection," "combination," "coupling," and "installation" can refer to direct connection, combination, coupling, or installation, or indirect connection, combination, coupling, or installation. For example, a direct connection refers to two parts or components being connected together without the need for an intermediary, while an indirect connection refers to two parts or components each being connected to at least one intermediary, with the connection achieved through the intermediary. Furthermore, "connection" and "coupling" are not limited to physical or mechanical connections or couplings, but can also include electrical connections or couplings.

[0052] In this invention, those skilled in the art will understand that relative terms (e.g., “about,” “approximately,” “basically,” etc.) used in conjunction with quantities or conditions are to include the value and have the meaning indicated by the context. For example, such relative terms include at least the degree of error associated with the measurement of a particular value, tolerances associated with the particular value due to manufacturing, assembly, use, etc. Such terms should also be considered as disclosing a range defined by the absolute values ​​of the two endpoints. Relative terms may refer to a certain percentage (e.g., 1%, 5%, 10% or more) of the indicated value. Numerical values ​​not using relative terms should also be disclosed as specific values ​​with tolerances. Furthermore, “basically” when expressing relative angular relationships (e.g., substantially parallel, substantially perpendicular) may refer to a certain degree (e.g., 1 degree, 5 degrees, 10 degrees or more) added to or subtracted from the indicated angle.

[0053] In this invention, those skilled in the art will understand that the function performed by a component can be performed by one component, multiple components, one part, or multiple parts. Similarly, the function performed by a part can be performed by one part, one component, or a combination of multiple parts.

[0054] In this utility model, the directional terms "upper," "lower," "left," "right," "front," and "rear" are used to describe the orientation and positional relationships shown in the accompanying drawings and should not be construed as limiting the embodiments of this utility model. Furthermore, in the context, it should be understood that when one element is mentioned as being connected "upper" or "lower" to another element, it can be directly connected to the other element "upper" or "lower," or indirectly connected through an intermediate element. It should also be understood that directional terms such as upper side, lower side, left side, right side, front side, and rear side not only represent the direct orientation but can also be understood as the lateral orientation. For example, "below" can include directly below, lower left, lower right, lower front, and lower rear.

[0055] Example 1

[0056] Figure 1 A first structural schematic diagram of the inner liner assembly 100 provided in this embodiment is shown. (See attached diagram.) Figure 1 As shown, this embodiment provides a water heater, which includes an outer shell (not shown) and an inner tank assembly 100 disposed inside the outer shell. The inner tank assembly 100 includes a heating mechanism (not shown) and two side-by-side tank bodies 10. The heating mechanism can heat the water in the tank bodies 10, and the tank bodies 10 can store hot water for domestic or industrial use.

[0057] Optionally, the tank 10 is made of a non-metallic material, which has the advantages of cleaner water, greater durability, easier maintenance, and higher safety. In this embodiment, the tank 10 is a plastic tank, which has the advantages of good corrosion resistance, long service life, high insulation coefficient, and low processing cost.

[0058] Figure 2 It shows Figure 1 A magnified view of a portion at point A. (See attached image.) Figure 2 and combined Figure 1 As shown, the inner liner assembly 100 also includes a clamp 20, which includes a clamp body 21 and a locking part 22. The clamp body 21 includes two arc segments 212 and two straight segments 211. The two arc segments 212 and the two straight segments 211 are alternately arranged and connected end to end in sequence to form a ring and clamp the outside of at least two liner bodies 10. The two arc segments 212 are respectively attached to the liner walls on opposite sides of the two liner bodies 10 located at the ends. An opening 2110 is formed on at least one straight segment 211, and a locking part 22 is provided at the opening 2110. The locking part 22 is used to lock the clamp body 21 to clamp the liner body 10.

[0059] The inner tank assembly 100 provided in this embodiment can fix at least two tank bodies 10 by setting clamps 20. When the tank bodies 10 expand due to heat, the clamps 20 can restrain them to prevent deformation caused by pressure, while ensuring the flatness of the water heater's appearance. By setting the clamps 20 as two arc segments 212 and two straight segments 211 connected in sequence, the two arc segments 212 can fit against the outer wall of the tank body 10, thereby increasing the contact area between the clamps 20 and the tank body 10 and improving the clamping effect. By setting the locking part 22 on the straight segment 211, on the one hand, it can avoid collision and friction between the locking part 22 and the outer shell during the assembly process, which would affect the quality of the outer shell. On the other hand, it can facilitate the forming of the clamps 20 and prevent the clamps 20 from deforming when the operator tightens the locking part 22, thus affecting its clamping effect on the tank body 10.

[0060] It is important to explain that in related technologies, the locking part is usually located on the curved segment of the clamp and at a position slightly above the water heater. This location experiences significant heat dissipation, and the locking part further increases the heat dissipation area of ​​the clamp, thus affecting the overall heat preservation effect of the water heater. In this embodiment, however, by placing the locking part 22 on the straight segment 211 of the clamp 20, compared to the solutions in related technologies, the lower position of the locking part 22 can reduce the overall heat dissipation efficiency of the water heater to a certain extent, thereby effectively improving the heat preservation effect of the water heater.

[0061] like Figure 2 As shown, the inner liner assembly 100 also includes fasteners 40. The locking part 22 includes two opposing locking plates, which are respectively connected to the two ends of the corresponding openings 2110. The fasteners 40 pass through and lock the two locking plates in sequence. Locking the two locking plates with fasteners 40 is a simple and easy-to-operate method. Further, the locking plates are generally plate-shaped, and each locking plate has a through hole. The fasteners 40 are bolt and nut assemblies, where the fastening bolts can pass through the through holes of the two locking plates in sequence and lock the two locking plates with fastening nuts. During the locking process, the clamp body 21 gradually tightens, ultimately clamping the inner liner 10. Optionally, the edges of the opposite sides of each locking plate are bent outwards to form a reinforcing bending part 221. The reinforcing bending part 221 increases the structural strength of the locking plates, further ensuring the clamp 20's fastening effect on the inner liner 10. This structure is also relatively simple and easy to manufacture. It should be noted that in this embodiment, the edges of the opposite sides of each locking plate are bent away from the corresponding locking plate, thereby forming the aforementioned reinforcing bend 221, to avoid interference between the reinforcing bend 221 and the corresponding locking plate when it is located between the two locking plates. Of course, in other embodiments, the designer can adjust the bending direction of the reinforcing bend 221 according to actual processing requirements, and this embodiment does not limit this.

[0062] like Figure 1 and Figure 2 As shown, the arc segment 212, the straight segment 211, and the locking part 22 are integrally formed, saving the connection structure between the three, thereby reducing the number of parts, simplifying the assembly process, and making installation simple. At the same time, it helps to improve the overall strength of the clamp 20 and ensure the structural stability of the inner liner assembly 100. In this embodiment, the clamp 20 is made of sheet metal, which has good strength characteristics and can effectively constrain and support the liner 10.

[0063] Figure 3 A second structural schematic diagram of the inner liner assembly 100 provided in this embodiment is shown. Figure 4 A structural schematic diagram of the intermediate support member 30 provided in this embodiment is shown. Figures 3-4As shown, the inner liner assembly 100 also includes an intermediate support 30 located between two adjacent liner bodies 10. The intermediate support 30 includes two symmetrically arranged support frames 31 fixedly connected to the inner side of the clamp 20, each support frame 31 supporting the liner wall of one liner body 10. By setting the intermediate support 30, the clamp 20 can assist in constraining the liner bodies 10, preventing the relative positions of two adjacent liner bodies 10 from shifting during use.

[0064] Furthermore, the support frame 31 includes a first connecting plate 311, a second connecting plate 312, and an arc-shaped plate 313. At least a portion of the arc-shaped plate 313 is tightly attached to the wall of the corresponding bladder 10. The first connecting plate 311 and the second connecting plate 312 are respectively connected to the two ends of the arc-shaped plate 313. The first connecting plate 311 is connected to the straight segment 211 on the corresponding side, and there is a gap L between the second connecting plate 312 and the straight segment 211 on the corresponding side. By providing an arc-shaped plate 313 that can at least partially fit against the wall of the corresponding bladder 10, the arc-shaped plate 313 and the arc segment 212 of the clamp 20 cooperate to form a circular installation space. The bladder 10 is constrained within the corresponding installation space, which can further improve the fixing effect of the bladder 10. By providing a gap L between the second connecting plate 312 and the straight segment 211 on the corresponding side, the material used in the intermediate support member 30 can be reduced while ensuring that the bladder 10 is stably fixed, thereby reducing material costs. It should be noted that, in this embodiment, the arc-shaped plate 313 can completely conform to the wall of the corresponding bladder 10 to increase the contact area between the support frame 31 and the corresponding bladder 10, thereby improving the support effect of the support frame 31 on the bladder 10. Of course, in other embodiments, the arc-shaped plate 313 can also partially conform to the wall of the corresponding bladder 10 to reduce machining precision and improve machining efficiency.

[0065] Optionally, such as Figure 3 As shown, the gap L between the second connecting plate 312 and the corresponding straight segment 211 is ≤ 0.8R, where R is the radius of the bladder 10. Simulation and experimental verification have shown that this setting ensures the bladder 10 is stably constrained within the corresponding installation space. For example, L can be 0.1R, 0.15R, 0.2R, 0.25R, 0.3R, 0.35R, 0.4R, 0.45R, 0.5R, 0.55R, 0.6R, 0.65R, 0.7R, 0.75R, etc. Of course, this embodiment does not limit the specific value of L; designers can minimize L while ensuring the bladder 10 is stably constrained, thereby reducing material costs to the greatest extent possible.

[0066] like Figure 4As shown, in this embodiment, the first connecting plate 311 and the second connecting plate 312 of the two support frames 31 are connected to form a whole, and a buffer space is formed between the first connecting plate 311 and the arc plate 313 and between the second connecting plate 312 and the arc plate 313, so that the intermediate support member 30 has a certain elasticity. On the one hand, when the bladder 10 is installed in the corresponding installation space, the structure of the intermediate support member 30 can provide a certain buffer, making the installation of the bladder 10 more convenient. On the other hand, during use, a certain deformation space can be reserved for the thermal expansion of the bladder 10 to avoid deformation of the bladder 10. In addition, the formation of the above-mentioned buffer space can also improve the structural strength of the clamp 20, thereby improving the support for the bladder 10.

[0067] Optionally, the arc-shaped plate 313 is connected to the first connecting plate 311 and to the second connecting plate 312 via arc segments 314. The arc segments 314 further enhance the elasticity of the intermediate support 30, thereby improving the buffering effect on the inner bladder 10. Furthermore, when the fastener 40 locks the locking part 22, the clamp 20 gradually tightens. The elasticity of the intermediate support 30 allows both inner bladders 10 to be clamped simultaneously, gradually conforming the installation space to the shape of the inner bladder 10. This prevents the inner bladder 10 from becoming loose within the installation space due to insufficient fit with the arc-shaped plate 313 or the arc segment 212. Simultaneously, the elasticity of the intermediate support 30 reduces the resistance when the clamp 20 is tightened.

[0068] Optionally, a reinforcing rib 3131 is provided on the side of the arc plate 313 of the support frame 31 away from the corresponding bladder 10. The reinforcing rib 3131 can improve the strength of the arc plate 313, thereby making its support performance better.

[0069] like Figure 4 As shown, the intermediate support 30 is an integrally formed structure, which saves the connection structure between the first connecting plate 311, the second connecting plate 312, the arc plate 313 and the arc segment 314, thereby reducing the number of parts, simplifying the assembly process and making installation simple. At the same time, it helps to improve the overall strength of the intermediate support 30 and ensure the structural stability of the inner liner assembly 100.

[0070] In related technologies, intermediate support components are typically made of cold-rolled steel sheets. The advantages of cold-rolled steel sheets are their high hardness, resistance to deformation, and ability to effectively support the two tanks. However, cold-rolled steel sheets increase the heat dissipation area of ​​the water heater, thus affecting its heat preservation effect, and their processing cost is high. To solve this problem, the intermediate support component 30 is made of a thermoplastic composite material with reinforcing fibers. This design gives the intermediate support component 30 excellent mechanical properties, excellent processing performance, high temperature resistance, and environmental friendliness, while also significantly reducing its processing cost. In this embodiment, the intermediate support component 30 is made of a modified composite material formed from polypropylene (PP) and 10% glass fiber (GF). GF is an inorganic filler with high rigidity and hardness. When compounded and modified with PP, it effectively reduces the shrinkage rate of PP while improving its strength, stiffness, temperature resistance, and flame retardant properties. This ensures that the intermediate support 30 has sufficient strength to stably support the tank 10 and is less prone to deformation. Furthermore, compared to cold-rolled steel, the PP+10%GF material reduces the heat dissipation efficiency of the water heater, thereby improving the overall insulation effect and reducing processing costs. Of course, in other embodiments, designers can adjust the amount of glass fiber filling according to actual processing requirements; this embodiment does not limit this. For example, the glass fiber filling amount can also be 5%, 6%, 7%, 8%, 9%, 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18%, 19%, 20%, etc.

[0071] Figure 5 A third structural schematic diagram of the inner liner assembly 100 provided in this embodiment is shown. Figure 6 It shows Figure 5 A magnified view of point B. (See attached image.) Figures 5-6 As shown, the inner tank assembly 100 also includes a bracket 50 mounted on the clamp 20, which is fixedly connected to the external wall mount (not shown) via a connector (not shown). The external wall mount is mounted on the outer casing and enables the water heater to be installed on the bathroom wall.

[0072] Specifically, the bracket 50 is provided with a connecting hole 501 for the connector to pass through. The connector can pass through the connecting hole 501 and be fixedly connected to the external wall bracket, thereby achieving a stable connection between the bracket 50 and the external wall bracket. In this embodiment, the connector is a connecting bolt, which has the advantages of convenient assembly and disassembly and a stable connection.

[0073] Optionally, the bracket 50 is welded to the clamp 20. Welded connections offer advantages such as high connection strength, high connection accuracy, and low cost. To ensure the accuracy of the welding position of the bracket 50 on the clamp 20, the clamp 20 is provided with a welding positioning hole 2102 coaxial with the connecting hole 501. During welding, the welding equipment can use the welding positioning hole 2102 as a reference to quickly position the bracket 50 on the clamp 20, thereby ensuring the welding accuracy between the bracket 50 and the clamp 20 and improving welding efficiency.

[0074] like Figures 5-6 As shown, the clamp 20 is also provided with a mounting positioning hole 2101, which is used to engage with the positioning pin on the installation equipment to ensure the installation accuracy of the inner liner assembly 100. Optionally, the mounting positioning hole 2101 is a non-circular hole, which can avoid the inner liner assembly 100 from rotating about the axis of the positioning pin due to a circular positioning hole, thereby ensuring that the inner liner assembly 100 has a good positioning effect during installation. For example, the mounting positioning hole 2101 can be a regular or irregular triangular hole, rectangular hole, pentagonal hole, hexagonal hole, etc. Of course, the shape of the mounting positioning hole 2101 in this embodiment is not limited to the above shapes, and the designer can choose any shape of the mounting positioning hole 2101 according to the actual processing requirements.

[0075] Continue as Figure 1 , Figure 3 and Figure 5 As shown, there are at least two clamps 20, which are arranged at intervals along the axial direction of the tank body 10 and together tighten the tank body 10. Each clamp 20 has a corresponding fastener 40 and bracket 50. By setting at least two clamps 20 to tighten the tank body 10 simultaneously, the tightening effect on the tank body 10 can be further improved. At the same time, the bracket 50 on each clamp 20 is connected to an external wall bracket, which also ensures that the water heater is in a horizontal position after being hung up.

[0076] In this embodiment, there are at least two intermediate support members 30, which are configured and connected to the clamps 20 in a one-to-one correspondence, so as to cooperate with the clamps 20 to further improve the fastening effect on the bladder body 10.

[0077] Example 2

[0078] This embodiment provides an inner liner assembly 100, the specific structure of which is roughly the same as that of the inner liner assembly 100 in Embodiment 1, the difference being that the number of intermediate support members 30 is different.

[0079] refer to Figure 1In this embodiment, there is one intermediate support member 30, which is located between two adjacent inner liner bodies 10 and extends along the axial direction of the inner liner body 10. The intermediate support member 30 is connected to all the clamp bodies 21. This design can further increase the contact area between the intermediate support member 30 and the inner liner body 10, and improve the structural stability of the inner liner assembly 100.

[0080] Example 3

[0081] This embodiment provides an inner liner assembly 100, the specific structure of which is roughly the same as that of the inner liner assembly 100 in Embodiment 1, the difference being that the structure of the intermediate support member 30 is different.

[0082] refer to Figure 3 and Figure 4 In this embodiment, each support frame 31 includes an arc-shaped plate 313, a first connecting plate 311, and a second connecting plate 312. At least a portion of the arc-shaped plate 313 is in close contact with the wall of the corresponding gallbladder 10. The first connecting plate 311 and the second connecting plate 312 are respectively connected to the two ends of the arc-shaped plate 313, and the first connecting plate 311 and the second connecting plate 312 are respectively connected to the straight segment 211 on the corresponding side. That is to say, in this embodiment, the intermediate support member 30 is symmetrically arranged along the radial direction of the gallbladder 10. This arrangement can, on the one hand, further increase the contact area between the intermediate support member 30 and the wall of the gallbladder 10, thereby improving the support effect; on the other hand, it can also improve the uniformity of the supporting force of the intermediate support member 30 on the gallbladder 10.

[0083] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that the above embodiments do not limit this utility model in any way, and all technical solutions obtained by equivalent substitution or equivalent transformation fall within the protection scope of this utility model.

Claims

1. An inner liner assembly, characterized in that, include: At least two tubes (10) are arranged side by side; The clamp (20) includes a clamp body (21) and a locking part (22). The clamp body (21) includes two arc segments (212) and two straight segments (211). The two arc segments (212) and the two straight segments (211) are alternately arranged and connected end to end in sequence to form a ring and clamp the outside of at least two gallbladders (10). The two arc segments (212) are respectively attached to the gallbladder walls on opposite sides of the two gallbladders (10) located at their ends. An opening (2110) is formed on at least one straight segment (211), and the locking part (22) is provided at the opening (2110). The locking part (22) is used to lock the clamp body (21) to clamp the gallbladder (10).

2. The inner liner assembly according to claim 1, characterized in that, The inner liner assembly also includes an intermediate support member (30) located between two adjacent liner bodies (10). The intermediate support member (30) includes two support frames (31) fixedly connected to the inside of the clamp (20) and symmetrically arranged. Each support frame (31) is supported on the liner wall of one of the liner bodies (10).

3. The inner liner assembly according to claim 2, characterized in that, The support frame (31) includes: The arc-shaped plate (313) is at least partially attached to the wall of the corresponding gallbladder body (10); The first connecting plate (311) and the second connecting plate (312) are respectively connected to the two ends of the arc plate (313). The first connecting plate (311) is connected to the straight segment (211) on the corresponding side, and there is a gap L between the second connecting plate (312) and the straight segment (211) on the corresponding side.

4. The inner liner assembly according to claim 3, characterized in that, The gap L between the second connecting plate (312) and the corresponding straight segment (211) is ≤0.8R, where R is the radius of the gallbladder (10).

5. The inner liner assembly according to claim 2, characterized in that, The support frame (31) includes: The arc-shaped plate (313) is at least partially attached to the wall of the corresponding gallbladder body (10); The first connecting plate (311) and the second connecting plate (312) are respectively connected to the two ends of the arc plate (313), and the first connecting plate (311) and the second connecting plate (312) are respectively connected to the straight segment (211) on the corresponding side.

6. The inner liner assembly according to claim 3, characterized in that, The arc plate (313) is connected to the first connecting plate (311) and the arc plate (313) is connected to the second connecting plate (312) by arc segments (314).

7. The inner liner assembly according to claim 2, characterized in that, The intermediate support (30) is made of thermoplastic composite material with reinforcing fibers.

8. The inner liner assembly according to claim 1, characterized in that, The inner liner assembly also includes a fastener (40), and the locking part (22) includes two locking plates arranged opposite to each other. The two locking plates are respectively connected to the two ends of the corresponding opening (2110) and extend outward. The fastener (40) passes through and locks the two locking plates in sequence.

9. The inner liner assembly according to claim 8, characterized in that, The edges of the opposite sides of each locking plate are bent outward to form a reinforced bend (221).

10. The inner liner assembly according to claim 1, characterized in that, The inner liner assembly also includes a bracket (50) disposed on the clamp (20), and the bracket (50) is fixedly connected to the external wall bracket by a connector.

11. The inner liner assembly according to claim 10, characterized in that, The bracket (50) is provided with a connection hole (501) for the connector to pass through; The bracket (50) is welded to the clamp (20), and the clamp (20) is provided with a welding positioning hole (2102) coaxial with the connecting hole (501).

12. The inner liner assembly according to claim 1, characterized in that, The clamp (20) is also provided with a mounting positioning hole (2101), which is used to engage with the positioning pin on the installation equipment.

13. The inner liner assembly according to claim 12, characterized in that, The mounting positioning hole (2101) is a non-circular hole.

14. The inner liner assembly according to any one of claims 1 to 13, characterized in that, The number of clamps (20) is at least two, and the at least two clamps (20) are arranged at intervals along the axial direction of the bladder (10) and together clamp the bladder (10).

15. A water heater, characterized in that, It includes a housing and an inner liner assembly as described in any one of claims 1 to 14, the inner liner assembly being installed within the housing.