Dish-washing machine spraying arm mounting assembly and dish-washing machine

Abstract

The utility model discloses a dishwasher spray arm mounting assembly and a dishwasher, the mounting assembly comprises: a pipe joint connected with a water pipe; the connecting plug is arranged on the spraying arm and is matched with the pipe joint; the assembling joint is fixedly arranged on the outer side of the pipe joint in a sleeving manner; the buckle is arranged on the spraying arm and is connected with the assembly joint in a clamping manner; the pipe joint is arranged on the outer side of the connecting plug in a sleeving mode. The pipe joint is arranged as an independent component, so that the structure of the inner container is simplified; in addition, by improving the manufacturing precision of the pipe joint, the rotating stability of the spraying arm can be improved, the manufacturing precision of a small part can be improved, and the cost is not increased too much; the universality of the inner container is improved, different mounting assemblies can be arranged, mounting of different spraying arms is achieved, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of dishwashers, and in particular relates to a mounting assembly of a spray arm of a dishwasher, and a dishwasher with the mounting assembly. Background Art

[0002] Dishwashers integrate the functions of dishwashing, disinfection, drying and storage. They not only change the traditional manual washing method, but also have the advantages of beautiful appearance, convenient use, time-saving and labor-saving, clean and hygienic, and no special installation required. They are increasingly favored by consumers. The working principle of a dishwasher is to drive the washing pump through a motor to spray the washing liquid from the sprayer under a certain pressure, forming a dense hot water flow in three directions. The sprayer rotates due to the reaction force of the water spray, so that the washing liquid is evenly sprayed onto the tableware in the dishwasher, and the tableware is sprayed and rinsed in a three-dimensional manner.

[0003] Patent 201821201329.4 discloses a dishwasher with a spray arm that rotates stably, including a water inlet on an inner tank, a mounting seat on the inner wall of the inner tank, a docking seat on the spray arm, the lower part of the docking seat being the inlet end of the docking seat, the inlet end of the docking seat being inserted into the mounting seat, and the outer wall of the docking seat and the inner wall of the mounting seat being matched to form a gap, the end of the gap close to the water inlet being the gap inlet, and the dishwasher having a blocking portion to prevent powder from being stuck, and the blocking portion at least partially blocks the gap inlet. By setting an integral mounting seat on the inner wall of the inner tank, the installation with the spray arm is achieved; however, the disadvantages of the above patent are: first, the mounting seat is integrally formed on the inner wall of the inner tank, which makes the structure of the inner tank complex and increases the difficulty of manufacturing; second, when the spray arm rotates, the mounting seat and the docking seat rotate relative to each other, and the structural strength and processing accuracy of the mounting seat need to be ensured, which further increases the process requirements for manufacturing the inner tank; third, the versatility of the inner tank is low, and different inner tanks are required for different docking seats.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Summary of the invention

[0005] In view of the above-mentioned problems in the prior art, the utility model proposes a mounting assembly for a dishwasher spray arm, in which the pipe joint is arranged as a separate component, which is conducive to simplifying the structure of the inner tank, increasing the versatility of the inner tank, and reducing the manufacturing cost.

[0006] In order to achieve the above-mentioned utility model purpose, the utility model adopts the following technical solutions:

[0007] A mounting assembly for a dishwasher spray arm, comprising:

[0008] A pipe joint, which is connected to the water pipe;

[0009] A plug connector, which is arranged on the spray arm and matches the pipe connector;

[0010] An assembly joint, which is sleeved and fixed on the outside of the pipe joint;

[0011] A buckle, which is provided on the spray arm and is snap-connected with the assembly joint;

[0012] The pipe joint is sleeved on the outer side of the plug joint.

[0013] In some embodiments of the present application, the pipe joint comprises a pipe joint body connected to the water pipe, a connecting head located on the upper side of the pipe joint body, and the plug connector is rotatably located on the inner side of the connecting head.

[0014] In some embodiments of the present application, a notch is provided on the outer side of the plug connector to reduce contact with the connector.

[0015] In some embodiments of the present application, the notch is located in the middle of the plug connector in the up-down direction.

[0016] In some embodiments of the present application, the inner diameter of the pipe joint body is smaller than the inner diameter of the connecting head, and the lower end of the plug connector is located at the upper end of the pipe joint body.

[0017] In some embodiments of the present application, the lower end of the plug connector abuts against the upper end of the pipe connector body.

[0018] In some embodiments of the present application, an installation opening is opened on the inner tank wall, the connecting head extends into the installation opening, and the assembly joint is sleeved on the outside of the connecting head to achieve installation and fixation of the pipe joint.

[0019] In some embodiments of the present application, the assembly joint and the connecting head are connected via threads.

[0020] In some embodiments of the present application, the assembly joint has an assembly body sleeved on the outside of the connecting head, and an assembly edge radially extending along the lower end of the assembly body, and the assembly edge abuts against the upper side of the inner tank wall.

[0021] In some embodiments of the present application, the pipe joint further has a sealing edge extending radially outward along the upper end of the pipe joint body, the sealing edge is located on the lower side of the inner liner wall, and a sealing ring is provided between the sealing edge and the inner liner.

[0022] In some embodiments of the present application, the pipe joint has a pipe joint body and a connecting head located on the upper side of the pipe joint body, the assembly joint has an assembly body sleeved on the outside of the connecting head, and a limiting edge extending radially inward is provided along the upper end of the assembly body, the limiting edge is located on the upper side of the connecting head, and the limiting edge is arranged to form a limiting hole for the plug joint to pass through.

[0023] In some embodiments of the present application, the limiting hole is arranged to match the inner ring at the upper end of the connecting head.

[0024] In some embodiments of the present application, the assembly joint comprises an assembly body sleeved on the outside of the connector, and a locking protrusion radially outwardly along the assembly body, and the buckle is matched and engaged with the locking protrusion.

[0025] Based on the above-mentioned installation assembly of the dishwasher spray arm, the utility model also provides a dishwasher with the above-mentioned installation assembly, in which the pipe joint is arranged as a separate component, which is beneficial to simplifying the structure of the inner tank, increasing the versatility of the inner tank, and reducing manufacturing costs.

[0026] A dishwasher comprises an inner tank and the above-mentioned mounting assembly.

[0027] Compared with the prior art, the advantages and positive effects of the utility model are: setting the pipe joint as a separate component is conducive to simplifying the structure of the inner tank; and by improving the manufacturing accuracy of the pipe joint, it is conducive to increasing the stability of the rotation of the spray arm, and increasing the manufacturing accuracy of a small component without much increase in cost; it is conducive to increasing the versatility of the inner tank, and can be equipped with different installation components to achieve the installation of different spray arms, which is conducive to reducing manufacturing costs.

[0028] After reading the specific embodiments of the present invention in conjunction with the accompanying drawings, other features and advantages of the present invention will become more clear. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, a brief introduction will be given below to the drawings required for use in the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 This is a structural schematic diagram of an embodiment of a mounting assembly for a spray arm of a dishwasher proposed by the utility model;

[0031] Figure 2 for Figure 1 A schematic diagram of the structure from an upward angle;

[0032] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of the A area in the middle;

[0033] Figure 4 for Figure 1 A partial schematic diagram of a cross-sectional structure;

[0034] Figure 5 for Figure 4 Schematic diagram of the enlarged structure of the middle B area;

[0035] Figure 6 for Figure 1 A schematic cross-sectional structure diagram of ;

[0036] Figure 7 is a schematic diagram of the structure of the spray arm;

[0037] Figure 8 is a structural schematic diagram of a pipe joint;

[0038] Fig. 9 It is a structural schematic diagram of the assembly joint;

[0039] Wherein, the spray arm 100; the plug connector 110; the notch 111; the buckle 120;

[0040] Inner liner 200; mounting opening 210;

[0041] Pipe joint 310; pipe joint body 311; connector 312; sealing edge 313;

[0042] Assembly joint 320; assembly body 321; assembly edge 322; limiting edge 323; limiting hole 324; clamping protrusion 325;

[0043] Sealing ring 330; water pipe 400. DETAILED DESCRIPTION

[0044] In order to make the purpose, technical solution and advantages of the embodiments of the present utility model clearer, the technical solution in the embodiments of the present utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the present utility model.

[0045] In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the positional relationships shown in the accompanying drawings, with the direction close to the axis of the spray arm being "inside" and the opposite being "outside". The terms are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0046] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0048] The disclosure below provides many different embodiments or examples for realizing different structures of the present invention. In order to simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are merely examples, and the purpose is not to limit the present invention. In addition, the present invention may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides various specific examples of processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials. Example

[0049] See also Figure 1-Figure 9 , is an embodiment of a dishwasher spray arm mounting assembly proposed by the utility model, a dishwasher spray arm mounting assembly, used to realize the assembly of the spray arm 100 in the inner tank 200, Figure 1 The bottom plate of the inner tank 200 is shown in the figure, and other parts of the inner tank 200 are not shown. In this embodiment, the spray arm 100 is installed at the corner of the bottom plate of the inner tank 200, which is conducive to strengthening the cleaning of the inner corner space of the inner tank 200, solving the problem of cleaning dead corners, and ensuring that the dishwasher forms a stable overall cleaning quality. A spray arm must also be installed in the middle of the bottom plate of the inner tank 200, and the installation assembly of the spray arm in the middle can also adopt the same structure as in this embodiment.

[0050] In this embodiment, the installation assembly includes: a pipe joint 310, an assembly joint 320, a plug joint 110 and a buckle 120. The pipe joint 310 is connected to the water pipe 400 and is used to transport washing water to the spray arm 100. The spray arm 100 is provided with a plug joint 110 extending downward. The pipe joint 310 is sleeved on the outside of the plug joint 110. The plug joint 110 can be rotatably located in the pipe joint 310 to ensure the stability of the rotation of the spray arm 100. The assembly joint 320 is sleeved and fixed on the outside of the pipe joint 310 to realize the installation of the pipe joint 310 on the inner tank 300. A buckle 120 is provided on the outside of the plug joint 110 of the spray arm 100, which is engaged with the assembly joint 320 to limit the upward movement of the spray arm 100.

[0051] In this embodiment, the pipe joint 310 is provided as a separate component, which is helpful to simplify the structure of the inner liner 200; and by improving the manufacturing accuracy of the pipe joint 310, it is helpful to increase the rotation stability of the spray arm 100, and increase the manufacturing accuracy of a small component without much increase in cost; it is helpful to increase the versatility of the inner liner 200, and different installation components can be equipped to achieve the installation of different spray arms 100, which is helpful to reduce manufacturing costs.

[0052] In some embodiments of the present application, the pipe joint 310 has a pipe joint body 311 connected to the water pipe 400, a connector 312 located on the upper side of the pipe joint body 311, and the plug connector 110 is rotatably located on the inner side of the connector 312. An installation opening 210 is provided on the inner wall of the inner liner 400, and the connector 312 passes through the installation opening 210 upwards, and the pipe joint 310 and the inner liner 400 are assembled by the assembly joint 320 sleeved on the outer side of the connector 312. There is no direct connection between the spray arm 100 and the installation opening 210, and the installation opening 210 has no requirements on precision, which is conducive to reducing the manufacturing process requirements of the inner liner 400; and different models of pipe joints 310 matching different spray arms 100 can be used universally as long as the connector 312 and the installation opening 210 can be matched and installed, and the inner liner 400 can be used universally.

[0053] In some embodiments of the present application, the plug connector 110 can be rotatably plugged into the pipe connector 310, and the outer wall of the plug connector 110 contacts the inner wall of the pipe connector 310. A notch 111 is provided on the outer side of the plug connector 110 to reduce the contact with the connector 312. The notch 111 is provided to reduce the contact area between the plug connector 110 and the connector 312, reduce the friction when the two move relative to each other, and reduce energy consumption. Preferably, the notch 111 is located in the middle of the plug connector 111 in the up-down direction. The notch 111 can be provided as one, or several notches 111 can be provided at intervals.

[0054] In some embodiments of the present application, the inner diameter of the pipe joint body 311 is smaller than the inner diameter of the connector 312, the plug connector 110 is located inside the connector 312, and the lower end of the plug connector 110 is located at the upper end of the pipe joint body 311. Preferably, the lower end of the plug connector 110 abuts against the upper end of the pipe joint body 311. The plug connector 110 is plugged into the connector 312, so that the two have radially overlapping parts after assembly, and can limit each other, which can improve the stability of the assembly of the spray arm 100 and the pipe connector 310; the lower end of the plug connector 110 abuts against the upper end of the pipe connector body 311, and there is a gap between the plug connector 110 and the connector 312, so that the upper end of the pipe connector body 311 can cover the lower end of the gap, thereby reducing the possibility of washing water and dishwashing powder entering the gap, thereby reducing the agglomeration of dishwashing powder in the gap, causing the plug connector 110 to get stuck, so that the spray arm 100 can rotate normally and stably, and the spray effect of the dishwasher is stable and reliable.

[0055] In some embodiments of the present application, an installation opening 210 is provided on the inner wall, a connector 312 extends into the installation opening 210, and an assembly joint 320 is sleeved on the outer side of the connector 312 to achieve installation and fixation of the pipe joint 310. The assembly joint 320 and the connector 312 are connected by threads.

[0056] In some embodiments of the present application, the assembly joint 320 has an assembly body 321 that is sleeved on the outside of the connecting head, and an assembly edge 322 that extends radially along the lower end of the assembly body 321, and the assembly edge 322 abuts against the upper side of the inner liner wall; by setting the assembly edge 322, the assembly joint 320 abuts against the upper side of the inner liner wall, which is conducive to achieving the firmness of the installation of the pipe joint 310.

[0057] In some embodiments of the present application, the pipe joint 310 further has a sealing edge 313 extending radially outward from the upper end of the pipe joint body 311, the sealing edge 313 is located at the lower side of the inner liner wall, and a sealing ring 330 is provided between the sealing edge 313 and the inner liner 200. By providing the sealing ring 330 and the assembly joint 320 abutting against the upper side of the inner liner wall, the sealing ring 330 is squeezed between the sealing edge 313 and the inner liner 200, thereby achieving sealing between the pipe joint 310 and the installation port 210.

[0058] In some embodiments of the present application, the pipe joint 310 has a pipe joint body 311 and a connector 312 located on the upper side of the pipe joint body 311; the assembly joint 320 has an assembly body 321 sleeved on the outer side of the connector 310, and a limiting edge 323 extending radially inward is provided along the upper end of the assembly body 321, the limiting edge 323 is located on the upper side of the connector 312, and the limiting edge 323 surrounds a limiting hole 324 for the plug connector 110 to pass through. The limiting hole 324 is matched with the inner ring of the upper end of the connector 310.

[0059] In some embodiments of the present application, the assembly joint 320 has an assembly body 321 sleeved on the outside of the connector 312, a cam 325 radially outwardly extending along the assembly body 321, and the buckle 120 is matched and engaged with the cam 325. The cam 325 is a circular ring structure and is arranged on the outer circumference of the connector 312; when the spray arm 100 rotates, the buckle 120 rotates relative to the cam 325. Example

[0060] See also Figure 1-9As shown, this embodiment is a dishwasher with the above-mentioned installation assembly, including an inner tank 200 and the above-mentioned installation assembly; the pipe joint 310 is set as a separate component, which is conducive to simplifying the structure at the inner tank 200, and is conducive to increasing the versatility of the inner tank 200, and is conducive to reducing the manufacturing cost. The installation assembly includes: a pipe joint 310, an assembly joint 320, a plug joint 110 and a buckle 120. The pipe joint 310 is connected to the water pipe 400 and is used to transport washing water to the spray arm 100. The plug joint 110 extending downward is provided on the spray arm 100, and the pipe joint 310 is sleeved on the outside of the plug joint 110. The plug joint 110 can be rotatably located in the pipe joint 310 to ensure the stability of the rotation of the spray arm 100. The assembly joint 320 is fixed on the outside of the pipe joint 310 to realize the installation of the pipe joint 310 on the inner tank 300. A buckle 120 is provided on the outer side of the plug connector 110 of the spray arm 100 , which is engaged with the assembly connector 320 to limit the upward movement of the spray arm 100 .

[0061] In this embodiment, the pipe joint 310 is provided as a separate component, which is helpful to simplify the structure of the inner liner 200; and by improving the manufacturing accuracy of the pipe joint 310, it is helpful to increase the rotation stability of the spray arm 100, and increase the manufacturing accuracy of a small component without much increase in cost; it is helpful to increase the versatility of the inner liner 200, and different installation components can be equipped to achieve the installation of different spray arms 100, which is helpful to reduce manufacturing costs.

[0062] In some embodiments of the present application, the pipe joint 310 has a pipe joint body 311 connected to the water pipe 400, a connector 312 located on the upper side of the pipe joint body 311, and the plug connector 110 is rotatably located on the inner side of the connector 312. An installation opening 210 is provided on the inner wall of the inner liner 400, and the connector 312 passes through the installation opening 210 upwards, and the pipe joint 310 and the inner liner 400 are assembled by the assembly joint 320 sleeved on the outer side of the connector 312. There is no direct connection between the spray arm 100 and the installation opening 210, and the installation opening 210 has no requirements on precision, which is conducive to reducing the manufacturing process requirements of the inner liner 400; and different models of pipe joints 310 matching different spray arms 100 can be used universally as long as the connector 312 and the installation opening 210 can be matched and installed, and the inner liner 400 can be used universally.

[0063] In some embodiments of the present application, the plug connector 110 can be rotatably plugged into the pipe connector 310, and the outer wall of the plug connector 110 contacts the inner wall of the pipe connector 310. A notch 111 is provided on the outer side of the plug connector 110 to reduce the contact with the connector 312. The notch 111 is provided to reduce the contact area between the plug connector 110 and the connector 312, reduce the friction when the two move relative to each other, and reduce energy consumption. Preferably, the notch 111 is located in the middle of the plug connector 111 in the up-down direction. The notch 111 can be provided as one, or several notches 111 can be provided at intervals.

[0064] In some embodiments of the present application, the inner diameter of the pipe joint body 311 is smaller than the inner diameter of the connector 312, the plug connector 110 is located inside the connector 312, and the lower end of the plug connector 110 abuts against the upper end of the pipe joint body 311. The plug connector 110 is plugged into the connector 312, so that the two have overlapping parts in the radial direction after assembly, and can limit each other, which can improve the stability of the assembly of the spray arm 100 and the pipe joint 310; the lower end of the plug connector 110 abuts against the upper end of the pipe joint body 311, and there is a gap between the plug connector 110 and the connector 312, so that the upper end of the pipe joint body 311 can cover the lower end of the gap, which reduces the possibility of washing water and dishwashing powder entering the gap, thereby reducing the problem of the plug connector 110 being stuck due to the agglomeration of dishwashing powder in the gap, so that the spray arm 100 can rotate normally and stably, and the spraying effect of the dishwasher is stable and reliable.

[0065] In some embodiments of the present application, an installation opening 210 is provided on the inner wall, a connector 312 extends into the installation opening 210, and an assembly joint 320 is sleeved on the outer side of the connector 312 to achieve installation and fixation of the pipe joint 310. The assembly joint 320 and the connector 312 are connected by threads.

[0066] In some embodiments of the present application, the assembly joint 320 has an assembly body 321 that is sleeved on the outside of the connecting head, and an assembly edge 322 that extends radially along the lower end of the assembly body 321, and the assembly edge 322 abuts against the upper side of the inner liner wall; by setting the assembly edge 322, the assembly joint 320 abuts against the upper side of the inner liner wall, which is conducive to achieving the firmness of the installation of the pipe joint 310.

[0067] In some embodiments of the present application, the pipe joint 310 further has a sealing edge 313 extending radially outward from the upper end of the pipe joint body 311, the sealing edge 313 is located at the lower side of the inner liner wall, and a sealing ring 330 is provided between the sealing edge 313 and the inner liner 200. By providing the sealing ring 330 and the assembly joint 320 abutting against the upper side of the inner liner wall, the sealing ring 330 is squeezed between the sealing edge 313 and the inner liner 200, thereby achieving sealing between the pipe joint 310 and the installation port 210.

[0068] In some embodiments of the present application, the pipe joint 310 has a pipe joint body 311 and a connector 312 located on the upper side of the pipe joint body 311; the assembly joint 320 has an assembly body 321 sleeved on the outer side of the connector 310, and a limiting edge 323 extending radially inward is provided along the upper end of the assembly body 321, the limiting edge 323 is located on the upper side of the connector 312, and the limiting edge 323 surrounds a limiting hole 324 for the plug connector 110 to pass through. The limiting hole 324 is matched with the inner ring of the upper end of the connector 310.

[0069] In some embodiments of the present application, the assembly joint 320 has an assembly body 321 sleeved on the outside of the connector 312, a cam 325 radially outwardly extending along the assembly body 321, and the buckle 120 is matched and engaged with the cam 325. The cam 325 is a circular ring structure and is arranged on the outer circumference of the connector 312; when the spray arm 100 rotates, the buckle 120 rotates relative to the cam 325.

[0070] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the above embodiments, it is still possible for a person skilled in the art to modify the technical solutions described in the above embodiments, or to replace some of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions claimed to be protected by the present invention.

Claims

1. A mounting assembly for a dishwasher spray arm, characterized in that: include: A pipe joint, which is connected to the water pipe; A plug connector, which is arranged on the spray arm and matches the pipe connector; An assembly joint, which is sleeved and fixed on the outside of the pipe joint; A buckle, which is provided on the spray arm and is snap-connected with the assembly joint; The pipe joint is sleeved on the outer side of the plug joint.

2. The mounting assembly according to claim 1, characterized in that: The pipe joint comprises a pipe joint body connected to the water pipe and a connecting head located on the upper side of the pipe joint body, and the plug connector is rotatably located on the inner side of the connecting head.

3. The mounting assembly according to claim 2, characterized in that: A notch for reducing contact with the connector is provided on the outer side of the plug connector, and the notch is located in the middle of the plug connector in the up-down direction.

4. The mounting assembly according to claim 2, characterized in that: The inner diameter of the pipe joint body is smaller than the inner diameter of the connector, and the lower end of the plug connector is located at the upper end of the pipe joint body.

5. The mounting assembly according to any one of claims 2 to 4, characterized in that: An installation opening is opened on the inner tank wall, the connecting head extends into the installation opening, and the assembly joint is sleeved on the outer side of the connecting head to realize the installation and fixation of the pipe joint.

6. The mounting assembly according to claim 5, characterized in that: The assembly joint comprises an assembly body sleeved on the outside of the connector, and an assembly edge radially extending along the lower end of the assembly body, wherein the assembly edge abuts against the upper side of the inner tank wall.

7. The mounting assembly according to claim 5, characterized in that: The pipe joint also has a sealing edge extending radially outward along the upper end of the pipe joint body, the sealing edge is located at the lower side of the inner liner wall, and a sealing ring is provided between the sealing edge and the inner liner.

8. The mounting assembly according to any one of claims 2 to 4, characterized in that: The pipe joint comprises a pipe joint body and a connecting head located on the upper side of the pipe joint body; the assembly joint comprises an assembly body sleeved on the outside of the connecting head, and a limiting edge extending radially inwardly is provided along the upper end of the assembly body, the limiting edge is located on the upper side of the connecting head, and the limiting edge is arranged around a limiting hole for the plug joint to pass through.

9. The mounting assembly according to any one of claims 2 to 4, characterized in that: The assembly joint comprises an assembly body sleeved on the outside of the connector, and a clamping protrusion radially outwardly along the assembly body, and the buckle is matched and clamped with the clamping protrusion.

10. A dishwasher, characterized in that: It comprises an inner liner and the installation assembly according to any one of claims 1 to 9.

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