Pump structure and washing device

Abstract

The utility model discloses a pump structure and washing device, the pump structure includes: pump casing, water inlet pipe and connecting structure, be equipped with the pump chamber in the pump casing, be equipped with the water inlet and the water outlet that are communicated with the pump chamber on the pump casing, the water outlet end of water inlet pipe is communicated with the water inlet, and the connecting structure is connected with the water inlet pipe. The connecting structure is arranged on the outer wall face of the pump shell and used for fixing the water inlet pipe to the pump shell. According to the pump structure, the connecting structure is arranged on the outer wall face of the pump shell, a larger operation space can be provided for connection of the connecting structure and the water inlet pipe, the operation space is more visual, and therefore the difficulty of fixing the water inlet pipe to the pump shell can be lowered, and the installation efficiency of the water inlet pipe is improved; the requirement for the material of the water inlet pipe can be lowered, so that the water inlet pipes made of different materials can be flexibly selected according to requirements, and the selection diversity of a user is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to washing device technical field especially is involved in a kind of pump structure and washing device. BACKGROUND

[0002] With the rapid development of science and technology, automatic household appliances have more functions to better serve people's life, for example, automatic dishwasher, can realize the water flow driven by pump body, and the water flow in pump body is heated, so that it can be more convenient to wash tableware, and provide convenience for people's life. When the dishwasher pump is installed, the water inlet rubber pipe needs to be pinched and passed through the water inlet of the heater, and then the gasket is pressed into the seal using a tool. The operation difficulty and strength are large, and the integrated heating pump can only be a soft rubber pipe, and the selection is not flexible. SUMMARY

[0003] The utility model discloses a first aspect proposes a kind of pump structure, the pump structure has the advantages that water inlet pipe installation difficulty is low and water inlet pipe material quality selection flexibility is high.

[0004] According to the pump structure of the first aspect embodiment of the utility model, comprising: pump shell, the pump cavity is formed in the pump shell, the water inlet and the water outlet that are communicated with the pump cavity are formed on the pump shell;Water inlet pipe, the water outlet end of the water inlet pipe is communicated with the water inlet;Connecting structure, the connecting structure is arranged on the outer wall surface of the pump shell and is used to fix the water inlet pipe on the pump shell.

[0005] According to the pump structure of the first aspect embodiment of the utility model, by being arranged on the outer wall surface of the pump shell, the connecting structure can provide greater operating space for the connection of the connecting structure and the water inlet pipe and be more intuitive, so that the difficulty of fixing the water inlet pipe to the pump shell can be reduced to improve the installation efficiency of the water inlet pipe. In addition, the requirement for the material quality of the water inlet pipe can be reduced, so that the water inlet pipe of different materials can be flexibly selected according to the demand, to increase the diversity of user selection.

[0006] According to some embodiments of the utility model, a connecting protrusion is provided on the outer periphery of the water inlet pipe, and the connecting structure is used to fix the connecting protrusion on the pump shell.

[0007] According to some embodiments of the utility model, the connecting protrusion is in the form of an annular plate structure extending along the outer periphery of the water inlet pipe.

[0008] According to some embodiments of the utility model, the connecting structure includes a connecting column and a fastener, a connecting hole is formed on the connecting protrusion, the connecting column is arranged on the outer wall surface of the pump shell and penetrates the connecting hole, and the fastener is sleeved on the connecting column and located on the side of the connecting protrusion away from the pump shell.

[0009] According to some embodiments of the present application, the connecting column is integrally formed with the pump shell.

[0010] According to some embodiments of the present application, the connecting column is threadedly connected with the fastener.

[0011] According to some embodiments of the present application, the connecting column, the fastener and the connecting hole are all provided with a plurality of intervals along the circumference of the water inlet, and the number of the connecting column, the fastener and the connecting hole are the same and one-to-one corresponding.

[0012] According to some embodiments of the present application, the water inlet pipe is a flexible pipe, and a compression gasket is arranged between the connecting protrusion and the fastener, and the hardness of the compression gasket is greater than the hardness of the water inlet pipe.

[0013] According to some embodiments of the present application, the water inlet pipe and the compression gasket are integrally or secondarily injection molded; and / or, the connecting protrusion and the compression gasket are both annular along the outer circumferential wall of the water inlet pipe.

[0014] According to some embodiments of the present application, the water inlet pipe is a plastic pipe or a metal pipe, and a sealing gasket is arranged between the connecting protrusion and the pump shell, and the sealing gasket is a flexible piece.

[0015] According to some embodiments of the present application, the water inlet pipe and the sealing gasket are integrally or secondarily injection molded; and / or, the connecting protrusion and the sealing gasket are both annular along the outer circumferential wall of the water inlet pipe.

[0016] According to some embodiments of the present application, a reinforcing rib is arranged on the inner wall surface of the pump cavity, and the reinforcing rib surrounds the outer circumferential side of the water inlet.

[0017] According to some embodiments of the present application, the water outlet end of the water inlet pipe is inserted into the water inlet.

[0018] According to some embodiments of the present application, the pump structure further comprises a heating piece, and the heating piece is fixed on the pump shell and used for heating the fluid in the pump cavity.

[0019] According to some embodiments of the present application, the heating piece comprises a heating part, and the heating part is located in the pump cavity and arranged adjacent to the water inlet, and the heating part surrounds the outer circumferential side of the water inlet.

[0020] The present application provides a washing device.

[0021] The washing device according to the second aspect of the present application comprises the pump structure.

[0022] According to the washing device of the second aspect of the utility model, by setting the connecting structure on the outer wall surface of the pump shell, the connecting structure and the water inlet pipe can be connected with greater operation space and more intuitively, so that the difficulty of fixing the water inlet pipe to the pump shell can be reduced to improve the installation efficiency of the water inlet pipe, in addition, the requirement for the material of the water inlet pipe can be reduced, so that the water inlet pipe of different materials can be selected flexibly according to the demand, thereby increasing the diversity of user selection.

[0023] Additional aspects and advantages of the utility model will be partially given in the following description, some will become apparent from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is the front view of the partial structure of the pump structure according to the first embodiment of the utility model, and

[0025] Figure 2 Figure 1 is the sectional view of the partial structure of the pump structure according to the first embodiment of the utility model, and

[0026] Figure 3 is the schematic diagram of the partial structure of the pump structure according to the first embodiment of the utility model, and

[0027] Figure 4 is the sectional view of the partial structure of the pump structure according to the first embodiment of the utility model, and

[0028] Figure 5 is the schematic diagram of the partial structure of the pump structure according to the second embodiment of the utility model, and

[0029] Figure 6 is the sectional view of the partial structure of the pump structure according to the second embodiment of the utility model.

[0030] REFERENCE NUMERALS:

[0031] 100, pump structure;

[0032] 1, pump shell; 1a, pump cavity; 1b, water inlet; 1c, water outlet; 1d, mounting hole; 11, cover body; 111, reinforcing rib; 12, shell; 2, water inlet pipe; 21, connecting protrusion; 3, connecting structure; 31, connecting column; 32, fastener; 4, compression gasket; 5, sealing gasket; 6, heating piece; 61, heating part; 62, connecting part; 7, protector; 8, conductive piece; 9, fixing column. DETAILED DESCRIPTION

[0033] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numbers represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and should not be understood as limiting the present application.

[0034] The disclosure below provides many different embodiments or examples for implementing different structures of the present application. For the sake of simplicity, the description below of the components and settings of specific examples is provided. They are merely examples and are not intended to limit the present application. In addition, the present application can refer to the same reference numbers and / or letters in different examples. Such repetition is for the sake of simplicity and clarity and does not indicate a relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those of ordinary skill in the art can realize the applicability of other processes and / or the use of other materials.

[0035] The pump structure 100 according to the first embodiment of the present application will be described below with reference to the drawings.

[0036] As shown in Figure 1 and Figure 2 , the pump structure 100 according to the first embodiment of the present application comprises a pump housing 1, a water inlet pipe 2 and a connecting structure 3, a pump cavity 1a is formed in the pump housing 1, a water inlet 1b and a water outlet 1c are formed on the pump housing 1 and communicate with the pump cavity 1a, the water outlet end of the water inlet pipe 2 communicates with the water inlet 1b, and the connecting structure 3 is arranged on the outer wall surface of the pump housing 1 and is used to fix the water inlet pipe 2 to the pump housing 1. Among them, since the connecting structure 3 is arranged on the outer wall surface of the pump housing 1, i.e. the connecting structure 3 is located on the outside of the pump housing 1, the connecting position of the connecting structure 3 and the water inlet pipe 2 is also located on the outside of the pump housing 1, which can provide more operation space for the connection of the connecting structure 3 and the water inlet pipe 2 and be more intuitive, thereby reducing the difficulty of fixing the water inlet pipe 2 to the pump housing 1 to improve the installation efficiency of the water inlet pipe 2.

[0037] In addition, compared with the water inlet pipe 2 made of rubber material in the related art which needs to be pinched to insert the water outlet end into the pump cavity 1a during installation, arranging the connecting structure 3 on the outer wall surface of the pump housing 1 can reduce the requirement for the material of the water inlet pipe 2, and the water inlet pipe 2 can be a rubber pipe or a plastic pipe or a metal pipe, etc., thereby the water inlet pipe 2 of different materials can be flexibly selected according to the demand, so as to increase the diversity of user selection.

[0038] According to the pump structure 100 of the first aspect of the present application, the connecting structure 3 is arranged on the outer wall surface of the pump shell 1, which can provide a larger operation space for the connection of the connecting structure 3 and the water inlet pipe 2 and is more intuitive, thereby reducing the difficulty of fixing the water inlet pipe 2 to the pump shell 1 to improve the installation efficiency of the water inlet pipe 2, and in addition, the requirement for the material of the water inlet pipe 2 can be reduced, thereby allowing the user to flexibly select the water inlet pipe 2 of different materials according to the needs, thereby increasing the diversity of user selection.

[0039] According to some embodiments of the present application, the outer circumferential surface of the water inlet pipe 2 is provided with a connecting protrusion 21, and the connecting structure 3 is used to fix the connecting protrusion 21 to the pump shell 1. That is, the connecting structure 3 realizes the fixation of the water inlet pipe 2 by fixing the connecting protrusion 21, and the connecting protrusion 21 can provide a connection position for the connection of the water inlet pipe 2 and the connecting structure 3, thereby reducing the difficulty of fixing the water inlet pipe 2 by the connecting structure 3, so as to facilitate the connection of the connecting structure 3 and the water inlet pipe 2.

[0040] According to some embodiments of the present application, the connecting protrusion 21 is in the form of an annular plate structure extending along the outer circumferential surface of the water inlet pipe 2. Thus, in the circumferential direction of the water inlet pipe 2, the connecting protrusion 21 can provide more connection positions for the connecting structure 3, thereby increasing the connection positions of the connecting structure 3 and the connecting protrusion 21 to improve the stability of the connection of the water inlet pipe 2 and the pump shell 1, and in addition, the connecting protrusion 21 can surround the outer circumferential side of the water inlet 1b, and by the close contact of the connecting protrusion 21 and the outer wall surface of the pump shell 1, the sealing effect between the water inlet pipe 2 and the pump shell 1 can be improved to prevent water leakage at the connection position of the water inlet pipe 2 and the pump shell 1.

[0041] According to some embodiments of the present application, the connecting structure 3 includes a connecting column 31 and a fastener 32, the connecting protrusion 21 is formed with a connecting hole, the connecting column 31 is arranged on the outer wall surface of the pump shell 1 and penetrates the connecting hole, and the fastener 32 is sleeved on the connecting column 31 and located on the side of the connecting protrusion 21 away from the pump shell 1. That is, when the water inlet pipe 2 is installed to the pump shell 1, the connecting column 31 can be inserted into the connecting hole in advance, and then the fastener 32 can be sleeved on the connecting column 31 from the side of the connecting protrusion 21 away from the pump shell 1, and the connecting protrusion 21 can be pressed tightly by the fastener 32 to prevent the connecting protrusion 21 from being pulled out of the connecting column 31, thereby realizing the fixation of the connecting structure 3 to the connecting protrusion 21. Among them, by the plug-in cooperation of the connecting column 31 and the connecting hole, a good positioning effect can be provided for the installation of the water inlet pipe 2 to reduce the connection difficulty of the water inlet pipe 2 and the pump shell 1 and improve the installation position accuracy of the water inlet pipe 2. At the same time, by the mutual limiting of the connecting column 31 and the connecting hole, the rotation of the water inlet pipe 2 relative to the pump shell 1 can be prevented to improve the connection stability of the water inlet pipe 2 and the pump shell 1.

[0042] According to some embodiments of the utility model, connecting column 31 and pump shell 1 are integrally formed. Thus, the integrally formed structure can not only ensure the structure and performance stability of connecting column 31 and pump shell 1, but also is convenient to form, simple to manufacture, and saves the assembly parts and the connecting process between connecting column 31 and pump shell 1, thereby reducing the production cost and greatly improving the assembly efficiency of connecting column 31 and pump shell 1, ensuring the connection reliability of connecting column 31 and pump shell 1. In addition, the overall strength and stability of the integrally formed structure are higher, and the service life is longer.

[0043] According to some embodiments of the utility model, connecting column 31 is screw connected with fastener 32. For example, the outer circumferential surface of connecting column 31 is formed with external threads, and fastener 32 can be a nut. The nut is matched with the external threads on connecting column 31 to form a threaded connection. The threaded connection has the advantages of simple structure and easy assembly. The threaded connection can realize the tight connection of connecting column 31 and fastener 32, and can also reduce the cost.

[0044] According to some embodiments of the utility model, connecting column 31, fastener 32 and the connecting hole are all provided with a plurality of circumferential interval arrangements along the water inlet 1b. The number of connecting column 31, fastener 32 and the connecting hole is the same and one-to-one correspondence. That is, a plurality of connecting columns 31 are respectively arranged in the corresponding connecting holes, and a plurality of fasteners 32 are respectively arranged on the corresponding connecting columns 31. The plurality of fasteners 32 can press the connecting protrusion 21 at multiple positions in the circumferential direction of the water inlet pipe 2. Thus, the connection position of the pump shell 1 and the water inlet pipe 2 can be better increased to improve the stability of the connection between the water inlet pipe 2 and the pump shell 1, and ensure the sealing effect between the water inlet pipe 2 and the pump shell 1.

[0045] According to some embodiments of the utility model, as shown in Figure 5 and Figure 6 , the water inlet pipe 2 is a flexible pipe, and the connecting protrusion 21 and the fastener 32 are provided with a compression gasket 4. The hardness of the compression gasket 4 is greater than that of the water inlet pipe 2. That is, the fastener 32 applies pressure to the connecting protrusion 21 through the compression gasket 4. The water inlet pipe 2 is a flexible pipe, so that the connecting protrusion 21 has good deformation ability, so that the connecting protrusion 21 can be deformed and tightly attached to the outer wall of the pump shell 1 under the extrusion of the compression gasket 4 and the pump shell 1, so as to ensure the sealing effect between the water inlet pipe 2 and the pump shell 1. The flexible water inlet pipe 2 has good deformation ability, so that the shape of the water inlet pipe 2 can be flexibly adjusted to adapt to the installation scene, and the difficulty of the water inlet pipe 2 can be reduced.

[0046] In some embodiments, the compression gasket 4 can be a plastic or metal part, which can ensure that the compression gasket 4 has sufficient hardness to uniformly distribute the compression force on the connecting protrusion 21. Here, no specific limitation is made.

[0047] According to some embodiments of the utility model, the water inlet pipe 2 and the compression gasket 4 are integrally or secondarily injection molded. That is, the water inlet pipe 2 and the compression gasket 4 are integrated structure. Therefore, when the water inlet pipe 2 is installed on the pump shell 1, the compression gasket 4 has been installed on the water inlet pipe 2, and the step of separately installing the compression gasket 4 is saved, so that the installation efficiency of the water inlet pipe 2 can be improved. Among them, the integrally injection molding or the secondary injection molding can be selected according to the material of the compression gasket 4. For example, when the compression gasket 4 is a plastic part, the water inlet pipe 2 can be integrally injection molded with the compression gasket 4; when the compression gasket 4 is a metal part, the water inlet pipe 2 can be secondarily injection molded on the compression gasket 4, and so on.

[0048] According to some embodiments of the utility model, the connecting protrusion 21 and the compression gasket 4 are both annular along the outer peripheral wall of the water inlet pipe 2. Therefore, in the circumferential direction of the water inlet pipe 2, the pressure of the fastener 32 acting on the compression gasket 4 can be more uniformly applied to the connecting protrusion 21, and the connecting protrusion 21 can be tightly attached to the outer peripheral edge of the water inlet 1b to ensure the sealing effect between the water inlet pipe 2 and the pump shell 1.

[0049] According to some embodiments of the utility model, as shown in Figure 3 and Figure 4 , the water inlet pipe 2 is a plastic pipe or a metal pipe, a sealing gasket 5 is arranged between the connecting protrusion 21 and the pump shell 1, and the sealing gasket 5 is a flexible part. That is, the fastener 32 applies pressure to the sealing gasket 5 through the connecting protrusion 21, and under the extrusion of the connecting protrusion 21 and the pump shell 1, the sealing gasket 5 can better fill the gap between the connecting protrusion 21 and the pump shell 1 through flexible deformation to ensure the sealing effect between the water inlet pipe 2 and the pump shell 1. Among them, the plastic material or the metal material can ensure the stability of the water inlet pipe 2, and the service life is also longer.

[0050] According to some embodiments of the utility model, the water inlet pipe 2 and the sealing gasket 5 are integrally or secondarily injection molded. That is, the water inlet pipe 2 and the sealing gasket 5 are integrated structure. Therefore, when the water inlet pipe 2 is installed on the pump shell 1, the sealing gasket 5 has been installed on the water inlet pipe 2, and the step of separately installing the sealing gasket 5 is saved, so that the installation efficiency of the water inlet pipe 2 can be improved. Among them, the integrally injection molding or the secondary injection molding can be selected according to the material of the water inlet pipe 2. For example, when the water inlet pipe 2 is a plastic pipe and the sealing gasket 5 is a rubber part, the water inlet pipe 2 can be integrally injection molded with the sealing gasket 5; when the water inlet pipe 2 is a metal part and the sealing gasket 5 is a rubber part, the sealing gasket 5 can be secondarily injection molded on the water inlet pipe 2, and so on.

[0051] According to some embodiments of the present application, the connecting protrusion 21 and the sealing gasket 5 are both annular along the outer peripheral wall of the water inlet pipe 2. Thus, in the circumferential direction of the water inlet pipe 2, the pressure of the fastener 32 acting on the connecting protrusion 21 can more evenly act on the sealing gasket 5, and the sealing gasket 5 can better completely cover the water inlet 1b from the circumferential direction and tightly abut against the outer peripheral edge of the water inlet 1b, so as to ensure the sealing effect between the water inlet pipe 2 and the pump shell 1.

[0052] According to some embodiments of the present application, the inner wall surface of the pump cavity 1a is provided with an annular reinforcing rib 111, and the reinforcing rib 111 is arranged around the outer peripheral side of the water inlet 1b. It can be understood that the position of the water inlet 1b provided on the pump shell 1 is usually a thin-walled area. Thus, the structural strength of the part of the pump shell 1 around the water inlet 1b can be better improved by the reinforcing rib 111, so as to avoid the deformation of the part of the pump shell 1 around the water inlet 1b affecting the connection between the pump shell 1 and the water inlet pipe 2, such as avoiding the deformation of the pump shell 1 causing a gap between the pump shell 1 and the water inlet pipe 2 to leak water, so as to improve the reliability of the connection between the water inlet pipe 2 and the pump shell 1. In some embodiments, the reinforcing rib 111 can be formed by bending the inner peripheral edge of the water inlet 1b towards the pump cavity 1a, so as to simplify the forming difficulty of the reinforcing rib 111, and reduce the processing difficulty of the pump shell 1.

[0053] According to some embodiments of the present application, the water outlet end of the water inlet pipe 2 is inserted into the water inlet 1b. Thus, the movement of the water outlet end of the water inlet pipe 2 can be better limited by the inner peripheral wall of the water inlet 1b, so as to improve the connection stability between the water inlet pipe 2 and the pump shell 1. It can be understood that the water outlet end of the water inlet pipe 2 is used to drain water into the pump cavity 1a, and the pump cavity 1a is provided with a rotating impeller (not shown in the figure) for driving water flow towards the water outlet 1c, and the water outlet end of the water inlet pipe 2 is inserted into the pump cavity 1a, so as to shorten the distance between the water outlet position of the water inlet pipe 2 and the rotating impeller, so that the rotating impeller can more efficiently drive the liquid in the water inlet pipe 2 into the pump cavity 1a, so as to improve the conveying flow of the pump structure 100.

[0054] In some embodiments, the inner wall surface of the pump cavity 1a is provided with an annular reinforcing rib 111, the reinforcing rib 111 is arranged around the outer peripheral side of the water inlet 1b, and the water outlet end of the water inlet pipe 2 is inserted into the reinforcing rib 111. The reinforcing rib 111 can form a good limiting effect on the water outlet end of the water inlet pipe 2, so as to improve the stability of the water inlet pipe 2 after installation. In addition, the outer peripheral surface of the water outlet end of the water inlet pipe 2 can be in contact with the inner peripheral surface of the reinforcing rib 111, so as to realize the sealing connection between the water inlet pipe 2 and the reinforcing rib 111, so as to prevent water leakage at the connection position between the water inlet pipe 2 and the pump shell 1.

[0055] According to some embodiments of the present application, the pump structure 100 further comprises a heating member 6, which is fixed to the pump shell 1 and used for heating the fluid in the pump cavity 1a. That is, after the water enters the pump cavity 1a, the water in the pump cavity 1a is heated by the heating member 6, so that the pump structure 100 can deliver hot water to the outside through the water outlet 1c, that is, the pump structure 100 is a heating pump and has the function of providing hot water. When the pump structure 100 is applied to a washing device such as a dishwasher, hot water can be delivered to the dishwashing cavity to better flush and dissolve oil stains, thereby improving the cleaning effect of the washing device.

[0056] According to some embodiments of the present application, the heating member 6 comprises a heating portion 61, which is located in the pump cavity 1a and is arranged adjacent to the water inlet 1b, and the heating portion 61 surrounds the outer peripheral side of the water inlet 1b. In this way, the heating area of the heating member 6 in the pump cavity 1a can be better increased to improve the heating efficiency of the heating member 6 on the water flow in the pump cavity 1a.

[0057] In addition, the distance between the heating portion 61 and the water inlet 1b can be shortened, so that the heating portion 61 can timely heat the water flow entering the pump cavity 1a through the water inlet 1b. In some embodiments, the water inlet 1b is arranged on the cover 11 of the pump shell 1, the shell 12 of the pump shell 1 is a plastic member, and the cover 11 is a metal member, so that the influence of the high temperature of the heating member 6 on the plastic material shell 12 can be reduced to prolong the service life of the pump structure 100.

[0058] According to some embodiments of the present application, the pump shell 1 comprises a cover 11 and a shell 12, the cover 11 is clamped with the shell 12, the water inlet 1b and the connecting structure 3 are arranged on the cover 11, the water outlet 1c is formed on the shell 12, the cover 11 is detachably connected with the shell 12, the cover 11 further has a mounting hole 1d, the heating member 6 is mounted on the cover 11 and comprises a heating portion 61 and a connecting portion 62, the connecting portion 62 is arranged in the mounting hole 1d, so that the heating portion 61 can extend into the pump cavity 1a, the cover 11 is provided with a fixing column 9, the fixing column 9 is used for fixing the protector 7, the protector 7 is electrically connected with the connecting portion 62 through the conductive member 8, the protector 7 is provided with a fuse, the protector 7 can detect the temperature in the pump cavity 1a, so that the overheat protection of the pump structure 100 can be realized, when the temperature in the pump cavity 1a exceeds a set threshold, the fuse cuts off the electrical connection between the power supply and the conductive member 8 to make the heating member 6 stop heating. The cover 11 is a metal member, and the shell 12 is a plastic member.

[0059] The washing device according to the second aspect of the present application will be described below with reference to the accompanying drawings.

[0060] The washing device according to the second aspect of the present application comprises a pump structure 100.

[0061] According to the washing device of the second aspect of the utility model, by setting the connecting structure 3 on the outer wall surface of the pump shell 1, the connecting structure 3 and the water inlet pipe 2 can be connected with greater operation space and more intuitively, so that the difficulty of fixing the water inlet pipe 2 to the pump shell 1 can be reduced to improve the installation efficiency of the water inlet pipe 2, in addition, the requirement for the material of the water inlet pipe 2 can be reduced, so that the water inlet pipe 2 of different materials can be selected flexibly according to the demand, so as to increase the diversity of user selection.

[0062] In the utility model, unless another explicit provision and limitation, the terms "mount", "connect", "link", "fix" and other terms should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrated; can be directly connected, can also be indirectly connected through intermediate media, can be the communication inside two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0063] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms is not necessarily for the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of different embodiments or examples without contradiction.

[0064] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and its equivalents.

Claims

1. A pump structure, characterized by, The utility model relates to a pump structure, comprising: a pump housing, a pump cavity is formed in the pump housing, a water inlet and a water outlet are formed on the pump housing and communicate with the pump cavity; a water inlet pipe, the water outlet end of the water inlet pipe communicates with the water inlet; a connecting structure is arranged on the outer wall surface of the pump housing and is used for fixing the water inlet pipe on the pump housing.

2. The pump structure according to claim 1, characterized by A connecting protrusion is arranged on the outer peripheral surface of the water inlet pipe, and the connecting structure is used for fixing the connecting protrusion on the pump housing.

3. The pump structure according to claim 2, characterized by The connecting protrusion is in the form of an annular plate extending along the outer peripheral surface of the water inlet pipe.

4. The pump structure according to claim 2, characterized by The connecting structure comprises a connecting column and a fastener, the connecting protrusion is provided with a connecting hole, the connecting column is arranged on the outer wall surface of the pump housing and penetrates the connecting hole, and the fastener is sleeved on the connecting column and located on the side of the connecting protrusion away from the pump housing.

5. The pump structure according to claim 4, characterized by The connecting column is integrally formed with the pump housing.

6. The pump structure of claim 4, wherein The connecting column is threadedly connected with the fastener.

7. The pump structure of claim 4, wherein The connecting column, the fastener and the connecting hole are all arranged in multiple and are spaced along the circumference of the water inlet, and the number of the connecting column, the fastener and the connecting hole is the same and one-to-one corresponding.

8. The pump structure of claim 4, wherein The water inlet pipe is a flexible pipe, a compression gasket is arranged between the connecting protrusion and the fastener, and the hardness of the compression gasket is greater than that of the water inlet pipe.

9. The pump structure of claim 8, wherein The water inlet pipe and the compression gasket are integrally or secondarily injection molded; and / or, the connecting protrusion and the compression gasket are both in the form of an annular plate extending along the outer peripheral wall of the water inlet pipe.

10. The pump structure of claim 3, wherein The water inlet pipe is a plastic pipe or a metal pipe, a sealing gasket is arranged between the connecting protrusion and the pump housing, and the sealing gasket is a flexible member.

11. The pump structure of claim 10, wherein The water inlet pipe and the sealing gasket are integrally or secondarily injection molded; and / or, the connecting protrusion and the sealing gasket are both in the form of an annular plate extending along the outer peripheral wall of the water inlet pipe.

12. The pump structure of claim 1, wherein An annular reinforcing rib is arranged on the inner wall surface of the pump cavity and surrounds the outer peripheral side of the water inlet.

13. The pump structure of claim 1, wherein The water outlet end of the water inlet pipe is inserted into the water inlet.

14. The pump structure of claim 1, wherein A heating member is fixed on the pump housing and is used for heating the fluid in the pump cavity.

15. The pump structure of claim 14, wherein The heating member comprises a heating portion, the heating portion is located in the pump cavity and is arranged adjacent to the water inlet, and the heating portion surrounds the outer peripheral side of the water inlet.

16. A washing apparatus characterized by comprising: The utility model relates to a pump structure, comprising: the pump structure according to any one of claims 1-15.

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