Horizontal water heater

Abstract

The utility model discloses a horizontal water heater, the inside of shell forms the installation cavity, and the shell includes at least two section sub -shell, and at least two section sub -shell is connected along the transverse to form the installation cavity, and the inner container transverse setting is in the installation cavity, and the electric heating pipe is arranged in the inner container. The case improves the installation efficiency through the transverse butt joint of many section sub -shell to form the shell.

Description

Technical Field

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

[0002] A horizontal water heater, such as a horizontal mini water heater, consists of a water tank, an electric heating element, and an electronic control board. The water tank has a storage cavity to hold water to be heated. The electric heating element is inserted into this cavity. The electronic control board controls the on / off operation of the heating element to heat the water in the tank to the set temperature. The water tank typically consists of an outer shell and an inner tank, with an insulation layer between them.

[0003] There is a horizontal mini water heater with an outer shell consisting of an upper shell and a lower shell, which are detachable. During installation, the inner liner, partitions, and other components are first installed onto the lower shell, and then the upper shell is snapped on from top to bottom. When snapping on the upper shell from top to bottom, it is easy to bump into the internal components, which reduces installation efficiency.

[0004] The information disclosed in this background section is only intended to enhance the understanding of the background technology of this application, and therefore may include prior art that is not known to those skilled in the art. Summary of the Invention

[0005] In view of the problems pointed out in the background art, this utility model proposes a horizontal water heater to improve installation efficiency.

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

[0007] This utility model provides a horizontal water heater, comprising:

[0008] The housing has an internal mounting cavity, and the housing includes at least two housing segments connected laterally to form the mounting cavity;

[0009] The inner liner is horizontally positioned within the mounting cavity;

[0010] An electric heating element is installed inside the inner liner.

[0011] Compared with the prior art, the advantages and positive effects of this utility model are:

[0012] The outer casing of this application is connected by horizontally joining multiple segments. Each segment is a hollow cylindrical structure, and each segment contains pre-installed components. For example, some segments contain an inner liner, while others contain an electrical compartment and electrical components. These pre-assembled segments are then joined horizontally in sequence to complete the installation of the entire horizontal kitchen water heater. Each segment is supplied in a pre-assembled modular form, greatly improving on-site assembly efficiency.

[0013] Typically, cabinets have limited height but sufficient depth. Therefore, this design uses a horizontal installation of the inner liner, which helps reduce the height of the outer shell while ensuring the volume of the inner liner, making it easier to install a horizontal water heater in a cabinet with limited height.

[0014] In some embodiments of this application, the outer casing includes a first sub-outer casing and a second sub-outer casing. One end of the first sub-outer casing has a first opening, and one end of the second sub-outer casing has a second opening. The first opening and the second opening are laterally connected to connect the first sub-outer casing and the second sub-outer casing, and the first sub-outer casing and the second sub-outer casing form the mounting cavity.

[0015] In some embodiments of this application, a first foaming element is disposed inside the first sub-shell, a second foaming element is disposed inside the second sub-shell, one end of the inner liner is adapted to and abuts against the first foaming element, and the other end of the inner liner is adapted to and abuts against the second foaming element.

[0016] In some embodiments of this application, the outer casing includes a third sub-outer casing, a fourth sub-outer casing, and a fifth sub-outer casing. One end of the third sub-outer casing has a third opening. The opposite ends of the fourth sub-outer casing are respectively provided with fourth openings. One end of the fifth sub-outer casing has a fifth opening. The fourth sub-outer casing is disposed between the third sub-outer casing and the fifth sub-outer casing. The third opening is connected to one of the fourth openings, and the fifth opening is connected to the other fourth opening.

[0017] In some embodiments of this application, a first foaming element is disposed inside the third sub-shell, a second foaming element is disposed inside the fifth sub-shell, one end of the inner liner is adapted to and abuts against the first foaming element, and the other end of the inner liner is adapted to and abuts against the second foaming element.

[0018] In some embodiments of this application, an electrical compartment is formed within the sub-casing located at the first end of the outer casing.

[0019] In some embodiments of this application, an opening is provided on the sub-shell located at the second end of the outer shell; the horizontal water heater further includes an inlet pipe and an outlet pipe, the inlet pipe and the outlet pipe passing through the opening.

[0020] In some embodiments of this application, the inlet pipe is arranged laterally in the lower region of the inner tank, and the outlet pipe is arranged laterally in the upper region of the inner tank.

[0021] In some embodiments of this application, the inlet end of the water inlet pipe and the outlet end of the water outlet pipe extend beyond the outer surface of the sub-shell and extend laterally.

[0022] In some embodiments of this application, a support surface is formed at the bottom of the housing, and a wiring groove is provided on the support surface.

[0023] Other features and advantages of this utility model will become clearer after reading the detailed embodiments of this utility model in conjunction with the accompanying drawings. Attached Figure Description

[0024] 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.

[0025] Figure 1 This is a structural diagram of a horizontal water heater according to some embodiments;

[0026] Figure 2 This is another structural diagram of a horizontal water heater according to some embodiments;

[0027] Figure 3 This is another structural diagram of a horizontal water heater according to some embodiments;

[0028] Figure 4 A cross-sectional view of a horizontal water heater according to some embodiments;

[0029] Figure 5 This is a structural diagram of an inner liner according to some embodiments;

[0030] Figure 6 This is a cross-sectional view of an assembly of the inner liner, inlet / outlet pipe assembly, and electric heating element according to some embodiments;

[0031] Figure 7 This is a structural diagram of an outer liner tube according to some embodiments. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0033] It should be noted that in the description of this application, 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 application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0034] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," 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 between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0035] In this application, unless otherwise expressly 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 being 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 being 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.

[0036] The following disclosure provides many different embodiments or examples for implementing different structures of this application. To simplify the disclosure, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the scope of this application. 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, various specific examples of processes and materials are provided in this application, but those skilled in the art will recognize the application of other processes and / or the use of other materials.

[0037] A horizontal kitchen water heater uses electricity as its main energy source. The high-temperature heat generated after being powered on directly heats the water stored in the horizontal kitchen water heater to produce hot water.

[0038] A horizontal kitchen water heater typically consists of a water tank, an electric heating element, and an electronic control board. The water tank has a water storage cavity to store water to be heated. The electric heating element is inserted into the water storage cavity. The electronic control board is used to control the on / off operation of the electric heating element so that the water in the tank is heated to the set temperature.

[0039] For horizontal kitchen water heaters, the water tank generally consists of an outer shell and an inner liner, with an insulation layer between them. The outer shell is usually made of plastic to meet the requirements of aesthetic and diverse designs; the inner liner can be made of metal or plastic, depending on the needs.

[0040] In addition, the insulation layer formed between the outer shell and the inner liner is commonly made of materials such as asbestos, sponge, foam plastic, and polyurethane foam. In conventional technology, foaming is usually used to form the insulation layer in order to achieve good insulation effect.

[0041] For water tanks with metal inner liner, corrosion can easily occur inside due to water quality. Therefore, magnesium rods are installed on the water tank and inserted into the water storage cavity inside the tank.

[0042] Magnesium has the lowest electrochemical potential among metals and is physiologically non-toxic. Therefore, it is ideal for making magnesium rods to protect the inner liner. The size of the magnesium rod directly affects the duration and effectiveness of the protection; the larger the magnesium rod, the better the protection and the longer the protection time.

[0043] The water tank is also equipped with an inlet pipe and an outlet pipe. The inlet pipe is used to deliver cold water into the water storage cavity formed inside the water tank, while the hot water in the water storage cavity is output from the outlet pipe.

[0044] The control board is used to receive detection signals from relevant sensors (such as water temperature sensors and flow sensors) and control the power supply to and from the electric heating components.

[0045] When the horizontal water heater is working, the electric heating element is powered on by the control board. When the water temperature in the tank reaches the set value, the electric heating element is powered off by the control board.

[0046] This embodiment provides a horizontal kitchen water heater, see reference. Figures 1 to 7 ,in, Figure 1 This is a structural diagram of a horizontal kitchen water heater. Figure 2 This is a structural diagram of a horizontal kitchen water heater. Figure 3 This is a structural diagram of a horizontal water heater viewed from the bottom. Figure 4 This is a cross-sectional view of a horizontal water heater. A horizontal water heater includes:

[0047] The outer casing 1 has a mounting support surface 19 formed at its bottom;

[0048] Inner liner 2, which is disposed in the outer shell 1;

[0049] An electric heating element 3 is disposed in the inner liner 2;

[0050] The inlet and outlet pipe assembly 4 includes an inlet pipe 41 and an outlet pipe 42, which are sealed through the inner liner 2.

[0051] Specifically, in one embodiment of this application, a horizontal kitchen water heater has an installation support surface 19 formed at the bottom of its outer shell 1. When installed in a user's home, it is placed in a cabinet through the installation support surface 19 to complete the installation without the need for hanging.

[0052] In order to reduce the overall height of the horizontal water heater and increase the volume of the inner tank 2, the installation method of the inner tank 2 and the inlet / outlet pipe assembly 4 can be improved as follows.

[0053] The inner liner 2 is horizontally disposed in the mounting cavity formed by the outer shell; the electric heating tube 3 extends horizontally and is disposed in the inner liner 2; the water outlet end of the water inlet pipe 41 is located in the inner liner 2 and arranged in the lower region of the inner liner 2, and the water inlet end of the water outlet pipe 42 is located in the inner liner 2 and arranged in the upper region of the inner liner 2; wherein, the water inlet end of the water inlet pipe 41 and the water outlet end of the water outlet pipe 42 respectively extend to the outside of the outer shell 1 and extend horizontally.

[0054] Specifically, the inlet pipe 41 and the outlet pipe 42 extend laterally from the outer casing 1 to the outside of the outer casing 1. The inlet end of the inlet pipe 41 is in a laterally extended state to facilitate connection with the water pipe in the cabinet without occupying height space. The outlet end of the outlet pipe 42 is also in a laterally extended state to facilitate connection with the water pipe in the cabinet without occupying height space.

[0055] In this way, on the one hand, for the horizontal water heater, as long as the top height of the outer shell 1 meets the installation requirements, the horizontal water heater can be installed into the cabinet without being restricted by the connection pipe 45 of the inlet pipe 41 and the outlet pipe 42, which makes installation more convenient and more versatile; on the other hand, since the overall height of the outer shell 1 is not restricted by the height position of the inlet and outlet pipes 42, the diameter of the inner tank 2 inside the outer shell 1 can be further increased. With the length of the outer shell 1 remaining unchanged, the volume of the inner tank 2 can be effectively increased.

[0056] Since horizontal kitchen water heaters are installed in the cabinets of users' homes, the height of the outer casing 1 is 200mm-500mm, to distinguish it from conventional wall-mounted horizontal kitchen water heaters.

[0057] By arranging the inner liner 2 horizontally, and extending the inlet end of the water inlet pipe 41 and the outlet end of the water outlet pipe 42 horizontally to the outside of the outer shell 1, the height space inside the cabinet can be increased without occupying space during the connection with external pipes. This effectively increases the diameter of the inner liner 2. Normally, the height space inside the cabinet is limited, but it has sufficient depth to meet the installation requirements of the horizontal water heater. This allows the inner liner 2 of the horizontal water heater to have sufficient length. With the same length of inner liner 2, increasing the diameter of the inner liner 2 can effectively increase the water heater's capacity and improve the user experience.

[0058] In some embodiments of this application, the housing 1 includes at least two housing segments connected laterally to form a mounting cavity. Figure 1 In the horizontal kitchen water heater shown, the outer shell 1 includes two outer shell sections, which are joined horizontally to form the outer shell 1. Figure 2 In the horizontal kitchen water heater shown, the outer shell 1 includes three sections, which are joined horizontally in sequence to form the outer shell 1.

[0059] Unlike the existing technology's snap-fit ​​outer shell 1 structure, the outer shell 1 in this embodiment is connected by horizontally connecting multiple segments. Each segment is a hollow cylindrical structure, and each segment contains pre-installed components. For example, some segments contain an inner liner 2, while others contain an electrical compartment and electrical components. These pre-installed segments are then horizontally connected in sequence to complete the installation of the entire horizontal water heater. Each segment is supplied in a pre-assembled modular form, greatly improving on-site assembly efficiency.

[0060] In some embodiments of this application, an electrical compartment is formed within a sub-casing located at the first end of the outer casing 1. In other words, the electrical compartment is located at one end of the mounting cavity enclosed by the outer casing 1, for example, at the front end.

[0061] When assembling a horizontal kitchen water heater, first assemble the various components inside the appliance compartment within one of the sub-shells, and then connect this sub-shell to the other sub-shell. The components inside the appliance box can be pre-assembled, enabling modular installation.

[0062] In some embodiments of this application, an opening is provided on the sub-shell located at the second end of the outer shell 1. The horizontal water heater also includes a water inlet pipe 41 and a water outlet pipe 42, which pass through the opening. For example, the opening is located at the rear end of the outer shell 1, and the water inlet pipe 41 and the water outlet pipe 42 extend from the rear end of the outer shell 1.

[0063] In some embodiments of this application, reference is made to Figure 1The outer casing 1 includes a first sub-outer casing 011 and a second sub-outer casing 012. One end of the first sub-outer casing 011 has a first opening, and one end of the second sub-outer casing 012 has a second opening. The first opening and the second opening are laterally connected to connect the first sub-outer casing 011 and the second sub-outer casing 012, and the first sub-outer casing 011 and the second sub-outer casing 012 form an installation cavity.

[0064] In other words, the outer shell 1 has a two-half structure, with the first sub-shell 011 forming the front half and the second sub-shell 012 forming the rear half. The first sub-shell 011 contains an electrical compartment, and the second sub-shell 012 has openings for the water inlet pipe 41 and the water outlet pipe 42 to extend from it. When assembling the horizontal water heater, the inner liner 2 is first installed horizontally into one of the sub-shells, for example, by first installing the inner liner 2 horizontally into the first sub-shell 011, leaving the other part of the inner liner 2 suspended. Then, the second sub-shell 012 is moved laterally towards the first sub-shell 011, allowing the suspended part of the inner liner 2 to extend into the second sub-shell 012 until the first sub-shell 011 aligns with the second outer shell 1, thus completing the assembly. The lateral movement of the second sub-shell 012 also facilitates the smooth horizontal extension of the water inlet pipe 41 and the water outlet pipe 42 into the openings on the second sub-shell 012.

[0065] Furthermore, in order to improve the stability of the inner liner 2 during installation, a fixing structure can be provided between the bottom of the first sub-outer shell 011 and the bottom of the inner liner 2. For example, a sliding groove is provided on the bottom wall of the first sub-outer shell 011, and a protrusion is provided on the bottom of the inner liner 2. The protrusion is inserted into the sliding groove to support the inner liner 2. At the same time, when the inner liner 2 is installed into the first sub-outer shell 011 along the lateral movement, the sliding connection between the sliding groove and the protrusion guides and positions the installation of the inner liner 2.

[0066] In some embodiments of this application, a first foaming element 13 is provided inside the first sub-shell 011, a second foaming element 14 is provided inside the second sub-shell 012, one end of the inner liner 2 is adapted to and abuts against the first foaming element 13, and the other end of the inner liner 2 is adapted to and abuts against the second foaming element 14.

[0067] Specifically, the first foaming component 13 is first installed inside the first sub-outer shell 011, and the second foaming component 14 is installed inside the second sub-outer shell 012. During assembly, the inner liner 2 is inserted laterally into the first sub-outer shell 011 until one end of the inner liner 2 abuts against and fits the first foaming component 13, reliably limiting the inner liner 2. Then, the second sub-outer shell 012 is moved laterally closer to the first sub-outer shell 011 until the other end of the inner liner 2 abuts against and fits the second foaming component 14. The two foaming components reliably limit the inner liner 2 and improve the thermal insulation performance.

[0068] In some embodiments of this application, reference is made to Figure 2The outer shell 1 includes a third sub-outer shell 013, a fourth sub-outer shell 014 and a fifth sub-outer shell 015. One end of the third sub-outer shell 013 has a third opening. The opposite ends of the fourth sub-outer shell 014 are respectively provided with fourth openings. One end of the fifth sub-outer shell 015 has a fifth opening. The fourth sub-outer shell 014 is disposed between the third sub-outer shell 013 and the fifth sub-outer shell 015. The third opening is connected to one of the fourth openings, and the fifth opening is connected to the other fourth opening.

[0069] In other words, the outer shell 1 has a three-section structure: the third sub-shell 013 forms the front part of the outer shell 1, the fourth sub-shell 014 forms the middle part, and the fifth sub-shell 015 forms the rear part. The third sub-shell 013 contains an electrical compartment, and the fifth sub-shell 015 has openings for the water inlet pipe 41 and the water outlet pipe 42 to extend from it. The first sub-shell 011 contains an electrical compartment, and the second sub-shell 012 has openings for the water inlet pipe 41 and the water outlet pipe 42 to extend from it. When assembling the horizontal water heater, first install the inner liner 2 into the fourth sub-shell 014, with both ends of the inner liner 2 protruding from the openings at both ends of the fourth sub-shell 014. Then, horizontally install the third and fifth sub-shells 015 into the ends of the fourth sub-shell 014, thus completing the assembly.

[0070] Furthermore, in order to improve the stability of the inner liner 2 during installation, a fixing structure can be provided between the bottom of the fourth sub-outer shell 014 and the bottom of the inner liner 2. For example, a groove is provided on the bottom wall of the fourth sub-outer shell 014, and a protrusion is provided on the bottom of the inner liner 2. The protrusion is inserted into the groove, which provides support for the inner liner 2 and guides and pre-positions it during installation.

[0071] In some embodiments of this application, a first foaming element 13 is provided inside the third sub-shell 013, a second foaming element 14 is provided inside the fifth sub-shell 015, one end of the inner liner 2 is adapted to and abuts against the first foaming element 13, and the other end of the inner liner 2 is adapted to and abuts against the second foaming element 14.

[0072] Specifically, the first foaming component 13 is first installed inside the third sub-outer shell 013, the second foaming component 14 is installed inside the fifth sub-outer shell 015, and the inner liner 2 is installed inside the fourth sub-outer shell 014. During assembly, the third sub-outer shell 013 is moved laterally towards one end of the fourth sub-outer shell 014 until one end of the inner liner 2 abuts against the first foaming component 13, reliably limiting the inner liner 2. Then, the fifth sub-outer shell 015 is moved laterally towards the other end of the fourth sub-outer shell 014 until the other end of the inner liner 2 abuts against the second foaming component 14. The two foaming components reliably limit the inner liner 2 and improve the thermal insulation performance.

[0073] In some embodiments of this application, since the water outlet pipe 42 and the water inlet pipe 41 are arranged horizontally as a whole, in order to improve the hot water output rate of the horizontal water heater, the water inlet end of the water outlet pipe 42 is bent upward to form a first elbow, and the opening of the first elbow is close to the top wall of the inner tank 2.

[0074] Specifically, the water outlet pipe 42 is located at the water inlet end of the inner tank 2 to form a first elbow. The opening of the first elbow is located at the top of the inner tank 2. In this way, hot water can be output from the top of the inner tank 2 during the hot water output process to improve the hot water output rate.

[0075] Meanwhile, because the outlet pipe 42 has a first bend, the water inlet position of the outlet pipe 42 can be arranged to the maximum extent in the top area of ​​the inner liner 2. In this way, the outlet pipe 42 does not need to be as close as possible to the upper wall of the inner liner 2, thereby solving the technical problem of low welding quality caused by a larger intersection line between the outlet pipe 42 and the inner liner 2 and more burrs.

[0076] Similarly, an outer liner pipe 43 can be used to fit the outlet pipe 42 to meet the requirement of increasing the hot water output rate. Specifically, refer to... Figure 6 and Figure 7 The outer liner tube 43 is located in the inner liner 2. The free end of the outer liner tube 43 bends upward to form a second bend 431. The opening of the second bend 431 is close to the top wall of the inner liner 2.

[0077] Specifically, an outer liner 43 is fitted around the outlet pipe 42. The outer liner 43 extends into the free end of the inner tank 2, forming a second bend 431. The opening of the second bend 431 is close to the top wall of the inner tank 2. In this way, during the process of outputting hot water through the outlet pipe 42, the hot water at the top of the inner tank 2 flows into the outer liner 43 via the second bend 431, and then flows into the outlet pipe 42 through the inlet end of the outlet pipe 42 for transportation and output to the outside of the outer shell 1.

[0078] Meanwhile, because the outer liner pipe 43 has a second bend 431, the water inlet position of the second bend 431 can be arranged to the maximum extent in the top area of ​​the inner liner 2. In this way, the outlet pipe 42 does not need to be as close as possible to the upper wall of the inner liner 2, thereby solving the technical problem of low welding quality caused by a larger intersection line between the outlet pipe 42 and the inner liner 2 and more burrs.

[0079] In some embodiments of this application, in order to facilitate the installation of the outer liner tube 43, the outer end of the outer liner tube 43 is provided with an outer flange structure 432, which overlaps the outer side of the inner liner 2.

[0080] Specifically, during the assembly process, the outer liner tube 43 is first inserted into the inner liner 2. After the outer liner tube 43 is inserted into place, it is positioned against the outer surface of the inner liner 2 by the outer flange structure 432 to meet the requirements for precise installation of the outer liner tube 43.

[0081] In one embodiment of this application, a flange 21 is provided at one end of the inner liner 2, and a mounting seat is provided at the mounting end of the electric heating tube 3, with the mounting seat disposed on the flange 21.

[0082] The other end of the inner liner 2 is provided with a first mounting pipe 22 and a second mounting pipe 23. The first mounting pipe 22 is arranged above the second mounting pipe 23. The first mounting pipe 22 and the second mounting pipe 23 are respectively welded to the inner liner 2 and respectively communicate with the inner liner 2. The water outlet pipe 42 is sealed and inserted into the first mounting pipe 22, and the water inlet pipe 41 is sealed and inserted into the second mounting pipe 23.

[0083] Specifically, to facilitate the installation of the inlet / outlet pipe assembly 4 and the electric heating element 3, a flange 21 is provided at one end of the inner tank 2 to meet the installation requirements of the electric heating element 3. A first mounting pipe 22 and a second mounting pipe 23 are provided at the other end of the inner tank 2, and are welded to the inner tank 2. This satisfies the installation requirements of the inlet pipe 41 and the outlet pipe 42.

[0084] In another embodiment of this application, the outer shell 1 is further provided with two foam support members. The two foam support members are arranged opposite to each other and vertically disposed in the outer shell 1. The sidewalls of the foam support members form concave surfaces, and the concave surfaces match the end contours of the inner liner 2.

[0085] The inner liner 2 is sandwiched between the two foamed support members, and a foamed layer is provided between the outer shell 1 and the inner liner 2. The foamed layer is arranged between the two foamed support members.

[0086] Specifically, since the inner pot 2 of the horizontal water heater is arranged horizontally, foam support components are provided at both ends of the inner pot 2 to provide good support and insulation. The concave surface formed by the foam support component matches the end face of the corresponding end of the inner pot 2, allowing the end of the inner pot 2 to fit tightly against the concave surface of the foam support component, thereby improving assembly reliability. In addition, the foam support component also serves to insulate the inner pot 2 at both ends.

[0087] After the ends of the inner liner 2 are supported by foamed support members and provided with thermal insulation, in order to improve the overall thermal insulation performance of the inner liner 2, foamed material is also filled between the two foamed support members. The foamed material forms a foamed layer between the inner liner 2 and the outer shell 1 to improve the thermal insulation performance of the inner liner 2.

[0088] Furthermore, since the two ends of the inner liner 2 have different structural forms, in order to facilitate assembly differentiation, the two foam support components are the first foam component 13 and the second foam component 14 mentioned above.

[0089] The first foaming component 13 is provided with a first mounting port, and the flange 21 provided on the inner liner 2 passes through the first mounting port.

[0090] The second foaming component 14 is provided with a second mounting port and a third mounting port. The second mounting port is arranged above the third mounting port. The water outlet pipe 42 passes through the second mounting port, and the water inlet pipe 41 passes through the third mounting port.

[0091] Specifically, the inner liner 2 is provided with the end of the flange 21 assembled onto the first foaming component 13. The flange 21 is used to install the electric heating tube 3. In order to meet the power supply requirements of the electric heating tube 3, a first mounting port is provided on the first foaming component 13. The flange 21 passes through the first mounting port to facilitate circuit wiring.

[0092] For the other end of the inner liner 2, an inlet pipe 41 and an outlet pipe 42 need to be installed. For this purpose, a second installation port and a third installation port are provided on the second foaming component 14. The first installation pipe 22 will pass through the second installation port, and the second installation pipe 23 will pass through the third installation port.

[0093] In some embodiments of this application, the water inlet end of the water inlet pipe 41 and the water outlet end of the water outlet pipe 42 extend from the outer casing 1 in various forms, for example:

[0094] The inlet end of the water inlet pipe 41 and the outlet end of the water outlet pipe 42 are arranged at the rear end of the outer casing 1. Alternatively, the inlet end of the water inlet pipe 41 and the outlet end of the water outlet pipe 42 are arranged on the side of the outer casing 1.

[0095] Specifically, the example of arranging the water inlet end of the water inlet pipe 41 and the water outlet end of the water outlet pipe 42 at the rear end of the outer casing 1 will be used for illustration.

[0096] The inlet end of the water inlet pipe 41 and the outlet end of the water outlet pipe 42 are both located at the rear end of the outer casing 1. When connecting the water pipes, the water pipes in the user's home are connected at the rear of the outer casing 1. After connection, the pipes are located at the rear of the outer casing 1 and do not occupy the space at the top of the outer casing 1.

[0097] In another embodiment, in order to facilitate the user's operation of the horizontal kitchen water heater for temperature adjustment and to facilitate the maintenance of electrical components by operators later, an electrical compartment is provided at the front end of the outer casing 1, and an electrical control board 15 is provided in the electrical compartment.

[0098] Specifically, an electrical compartment is provided at the front end of the housing 1 to install the electronic control board 15. Correspondingly, the thermostat connected to the electronic control board 15 is also located in the electrical compartment, and the knob 151 for adjusting the thermostat is located on the outside of the front end of the housing 1.

[0099] In this way, after opening the cabinet, the user can adjust the heating temperature using the knob 151 on the front of the outer casing 1. Simultaneously, when maintenance is required, the operator can also open the cabinet and perform maintenance at the front of the outer casing 1.

[0100] In some embodiments of this application, for horizontal water heaters, in order to reduce the overall height while still meeting the requirement of efficient heating of the electric heating element 3 in the inner tank 2, it is necessary to improve the structure and installation position of the electric heating element 3 to meet the installation requirements of the water inlet pipe 41 and the water outlet pipe 42 being arranged horizontally in the inner tank 2, and at the same time ensure that the electric heating element 3 does not interfere with the installation of the water inlet pipe 41 and meets the requirement of effective heating.

[0101] like Figure 6 As shown, the electric heating tube 3 includes a straight support section 31 and a curved heating section 32, and the curved heating section 32 is connected to the straight support section 31.

[0102] The straight support section 31 is fixedly installed on the flange 21 on the inner liner 2. The curved heating section 32 is offset toward the side wall of the inner liner 2 and arranged on one side of the water inlet pipe 41. The curved heating section 32 is located at the bottom of the inner liner 2.

[0103] Specifically, the end of the straight support section 31 is fixed to the mounting base, so as to be fixedly mounted on the flange 21 of the inner tank 2 by the mounting base. The straight support section 31 can support the curved heating section 32. The curved heating section 32 is arranged in the lower part of the inner tank 2 by means of its own curved extension structure, so as to heat the water from the bottom of the inner tank 2 by means of the curved heating section 32 to improve the heating efficiency of the water in the inner tank 2.

[0104] The curved heating section 32 is arranged near the bottom area of ​​the inner liner 2.

[0105] In addition, to avoid interference with the bottom water inlet pipe 41, the curved heating section 32 is offset to one side of the inner tank 2. In this way, although both the electric heating tube 3 and the water inlet pipe 41 are arranged laterally in the inner tank 2, the offset installation of the electric heating tube 3 can avoid installation interference and ensure heating efficiency.

[0106] Furthermore, in order to improve the hot water output rate and achieve instant hot water supply, the electric heating tube 3 also includes an extended heating section (not shown), which extends to the top of the inner tank 2 and is arranged close to the water outlet pipe 42.

[0107] Specifically, for the electric heating tube 3, it can also be provided with an extended heating section that extends upward and is arranged around the water outlet pipe 42. The extended heating section can heat the water entering the water outlet pipe 42 and the water around the water outlet pipe 42, thereby realizing instant hot water supply.

[0108] The extended heating section can be connected to the curved heating section 32 and extend upward from the curved heating section 32 to the outlet pipe 42. Alternatively, the extended heating section can be independent of the curved heating section 32, and can be a separate heating tube body, with its end fixedly mounted on the mounting base.

[0109] In addition, the extended heating section is also wrapped around the periphery of the water outlet pipe 42.

[0110] Specifically, the extended heating section can be wrapped around the outside of the water outlet pipe 42 to increase the overall length of the extended heating section, thereby improving heating efficiency and heating speed.

[0111] In some embodiments of this application, reference is made to Figure 4 A heat insulation pad 24 is also provided between the inner liner 2 and the foam support.

[0112] Specifically, because the inner liner 2 is horizontally arranged and has a relatively small overall height, the foamed support at the ends of the inner liner 2 is tightly attached to it. During the dry-burning test, the temperature at the top of the inner liner 2 rises rapidly, reaching 200℃ within a short time. The foamed support is typically made of foam, which is easily affected by high temperatures and may melt.

[0113] Therefore, a heat insulation pad 24 is provided at at least one end of the inner liner 2 to protect the foam support.

[0114] Normally, the electric heating tubes 3 distributed at the flange 21 of the inner liner 2 are straight support sections 31, which generate less heat than the curved heating sections 32. The curved heating sections 32 generate more heat because they are close to the positions where the water inlet pipe 41 and water outlet pipe 42 are installed and fixed on the inner liner 2. Therefore, at least a heat insulation pad 24 is provided between the inner liner 2 and the second foaming component 14.

[0115] Furthermore, to facilitate the installation of the positioning heat insulation pad 24, the heat insulation pad 24 can be bonded to the outer surface of the inner liner 2.

[0116] Alternatively, the heat insulation pad 24 may be provided with a positioning part, and correspondingly, the second foaming part 14 may be provided with a positioning mating part.

[0117] Specifically, during the actual assembly process, the heat insulation pad 24 will be attached to the end of the inner liner 2 where the water inlet pipe and the water outlet pipe are located, and the inner liner 2 will be sandwiched between the first foaming component 13 and the second foaming component 14. When the inner liner 2 is assembled between the first foaming component 13 and the second foaming component 14, the positioning part of the heat insulation pad 24 will cooperate with the positioning mating part on the second foaming component 14 to position the heat insulation pad 24, so as to ensure that the heat insulation pad 24 can be accurately positioned, thereby playing a good heat insulation role in the position of the inner liner 2 that requires heat insulation, and playing a role in heat insulation protection for the second foaming component 14.

[0118] The positioning part can be a positioning protrusion, and the corresponding positioning mating part is a positioning groove formed on the second foaming part 14. The positioning protrusion is inserted into the positioning groove to achieve the positioning and installation of the heat insulation pad 24.

[0119] Preferably, the heat insulation pad 24 covers the recessed surface of the second foam 14, thereby completely isolating the second foam 24 from the inner liner 2.

[0120] In another embodiment of this application, the horizontal kitchen water heater further includes a temperature sensing component, which includes a temperature measuring tube 26 and a temperature sensor, wherein the temperature measuring tube 26 is disposed at the end of the inner liner 2.

[0121] Specifically, the temperature sensing component extends into the inner tank 2 through a temperature measuring tube to measure the water temperature in the inner tank 2 using a temperature sensor.

[0122] The temperature measuring tube can be fixed on a mounting base for support.

[0123] Alternatively, the temperature sensing tube can be directly fixed to the inner liner 2 and positioned obliquely above the flange 21. In this way, during the dry-burning test, because the temperature sensing tube is closer to the top of the inner liner 2, the temperature sensor can detect the temperature of the top of the inner liner 2 more promptly and effectively.

[0124] In another embodiment of this application, a thermostatic valve 44 may be configured to achieve constant temperature water output. Specifically, a thermostatic valve 44 is also provided at the outlet end of the water outlet pipe 42, and a T-junction pipe is also provided at the inlet end of the water inlet pipe 41; a connecting pipe 45 is also provided between the thermostatic valve 44 and the T-junction pipe.

[0125] Specifically, the thermostatic valve 44 connected to the outlet pipe 42 is also connected to the tee pipe of the inlet pipe 41 through the connecting pipe 45. In actual use, when the outlet water temperature of the outlet pipe 42 is higher than the set temperature of the thermostatic valve 44, part of the cold water flowing in through the tee pipe enters the thermostatic valve 44 for automatic water temperature adjustment.

[0126] In some embodiments of this application, reference is made to Figure 1An access panel 17 is provided on the front sub-shell, which connects to the electrical compartment. A front panel 17 is detachably installed at the access panel.

[0127] Specifically, in order to facilitate the installation of electrical control board 15 and other electrical components in the electrical compartment, the front panel 17 is detachably mounted on the sub-casing. This makes it easier for maintenance personnel to open the front panel 17 to expose the electrical control board 15 and other electrical components inside the electrical compartment during future maintenance.

[0128] In some embodiments of this application, reference is made to Figure 3 The bottom of the outer casing is provided with a wiring groove 115, which extends from front to back to the rear side of the outer casing 1.

[0129] The base plate 11 is also provided with a cable outlet hole 116, which is connected to the cable routing groove 115; the power supply cable connected to the electronic control board 15 passes through the cable outlet hole 116 and extends out to the rear side of the housing 1 via the cable routing groove 115.

[0130] Specifically, an electrical compartment is formed at the front end of the housing 1 to mount the electrical control board 15. The power supply cable connected to the electrical control board 15 is arranged in the wiring groove 115 through the outlet hole 116 from the electrical compartment, and finally passes out from the wiring groove 115 to the rear end of the housing 1.

[0131] In this way, after the horizontal kitchen water heater is installed in the cabinet of the user's home, the power supply cable will be arranged on the back of the outer casing 1. This way, there are no cables leading out from the front of the outer casing 1, which is more conducive to optimizing the appearance.

[0132] 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 this application. 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.

[0133] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application 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 in this application.

Claims

1. A horizontal water heater, characterized in that, Including: The housing has an internal mounting cavity, and the housing includes at least two housing segments connected laterally to form the mounting cavity; The inner liner is horizontally positioned within the mounting cavity; An electric heating element is installed inside the inner liner.

2. The horizontal water heater according to claim 1, characterized in that, The outer casing includes a first sub-outer casing and a second sub-outer casing. One end of the first sub-outer casing has a first opening, and one end of the second sub-outer casing has a second opening. The first opening and the second opening are laterally connected to connect the first sub-outer casing and the second sub-outer casing, which together form the mounting cavity.

3. The horizontal water heater according to claim 2, characterized in that, The first sub-shell is provided with a first foaming component, the second sub-shell is provided with a second foaming component, one end of the inner liner is adapted to and abuts against the first foaming component, and the other end of the inner liner is adapted to and abuts against the second foaming component.

4. The horizontal water heater according to claim 1, characterized in that, The outer shell includes a third sub-shell, a fourth sub-shell, and a fifth sub-shell. One end of the third sub-shell has a third opening. The opposite ends of the fourth sub-shell each have a fourth opening. One end of the fifth sub-shell has a fifth opening. The fourth sub-shell is located between the third sub-shell and the fifth sub-shell. The third opening is connected to one of the fourth openings, and the fifth opening is connected to the other fourth opening.

5. The horizontal water heater according to claim 4, characterized in that, The third sub-shell is provided with a first foaming component, the fifth sub-shell is provided with a second foaming component, one end of the inner liner is adapted to and abuts against the first foaming component, and the other end of the inner liner is adapted to and abuts against the second foaming component.

6. The horizontal water heater according to any one of claims 1 to 5, characterized in that, An electrical compartment is formed within the sub-shell located at the first end of the outer shell.

7. The horizontal water heater according to any one of claims 1 to 5, characterized in that, An opening is provided on the sub-shell located at the second end of the outer shell; The horizontal water heater also includes an inlet pipe and an outlet pipe, which pass through the opening.

8. The horizontal water heater according to claim 7, characterized in that, The inlet pipe is arranged horizontally in the lower region of the inner tank, and the outlet pipe is arranged horizontally in the upper region of the inner tank.

9. The horizontal water heater according to claim 7, characterized in that, The inlet end of the inlet pipe and the outlet end of the outlet pipe extend out of the outer shell of the sub-shell and extend laterally.

10. The horizontal water heater according to any one of claims 1 to 5, characterized in that, The bottom of the outer casing has a support surface, and a wiring groove is provided on the support surface.

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