Draining pump

Abstract

The utility model discloses a draining pump, which relates to the technical field of washing equipment and comprises a pump body, one end of the pump body is provided with a filter frame mounting cavity, and the inner side surface of the filter frame mounting cavity is longitudinally provided with at least one limiting through groove; the outer surface of the filtering frame is provided with a guiding piece which is matched with the limiting through groove so as to realize guiding when the filtering frame is inserted into the filtering frame mounting cavity; the screw plug is used for being fixed at the opening of the filter frame mounting cavity, and a connecting piece used for being rotationally connected with the end part of the filter frame is arranged at one end, facing the filter frame mounting cavity, of the screw plug. After the filter frame and the screw plug are assembled, the filter frame can rotate, meanwhile, through the arrangement of the limiting through groove and the guiding piece, when a user carries out blind assembly, the guiding piece can smoothly slide into the limiting through groove, and blind assembly is achieved when the filter frame is assembled to the pump body from any angle.

Description

TECHNICAL FIELD

[0001] The utility model relates to washing equipment technical field, concretely relates to a drainage pump. BACKGROUND

[0002] The washing machine is the indispensable household appliance in people's daily life, and the damp environment in the washing machine is suitable for the growth of bacteria and mould, and the washing machine is not cleaned frequently, which can cause the clothes to be not cleaned, and even cause skin allergy.

[0003] When the user cleans the washing machine, the filter frame of the drainage pump needs to be disassembled, but when the filter frame is assembled after cleaning, the filter frame needs to be assembled on the drainage pump after aligning the direction.

[0004] However, since the installation position of the drainage pump on the washing machine is generally low, the user needs to squat and stick to the position of the drainage pump as much as possible to see the assembly position of the filter frame when assembling the filter frame, and the filter frame is easily not assembled in place or stuck when blindly assembled, which reduces the user experience. SUMMARY

[0005] The drainage pump can solve the technical problem that the filter frame is easily not assembled in place or stuck when blindly assembled in the prior art. The drainage pump comprises: a pump body, one end of the pump body is provided with a filter frame mounting cavity, and the inner side of the filter frame mounting cavity is longitudinally provided with at least one limiting through slot; a filter frame, the outer surface of the filter frame is provided with a guide element matched with the limiting through slot to realize the guidance when the filter frame is inserted into the filter frame mounting cavity; and a screw plug used for fixing the opening of the filter frame mounting cavity, one end of the screw plug towards the filter frame mounting cavity is provided with a connecting piece used for rotating connection with the end of the filter frame.

[0006] In some embodiments, the side surface of the pump body towards the filter frame mounting cavity is circumferentially provided with at least two fixing pieces, and the gap between the fixing pieces forms the limiting through slot.

[0007] In some embodiments, the filter frame comprises: a filter part, the filter part is provided in a circular central column shape and comprises at least three axially arranged filter holes, the filter holes are used for communicating with the inner cavity of the pump body to form a filter cavity; a filter ring sleeve is protrusively arranged at the circular center of the filter part towards the direction of the screw plug; a fixed part is oppositely arranged with the filter part, and the fixed groove is arranged on the side of the fixed part away from the filter part; a filter column is arranged on the side of the fixed part towards the filter part, and one end of the filter column away from the fixed part penetrates into the filter ring sleeve; a support part is connected with the filter part and the fixed part at opposite ends thereof; and the guide element is arranged on the side of the support part towards the filter frame mounting cavity.

[0008] In some embodiments, the guide piece comprises: a guide portion extending longitudinally to the edge of the filter portion; and an inclined portion extending from the edge of the fixed portion to the guide portion; wherein the orthographic projection of the end of the inclined portion away from the fixed portion on the fixed portion covers the end of the inclined portion close to the fixed portion.

[0009] In some embodiments, the guide portion and the inclined portion are integrally formed.

[0010] In some embodiments, the end of the guide portion towards the filter portion is in the shape of a circular arc.

[0011] In some embodiments, the drainage pump further comprises: a sealing ring sleeved on the fixed portion; wherein the outer circumferential sidewall of the fixed portion is provided with an annular groove with an opening on the outer side, and the sealing ring is located in the annular groove.

[0012] In some embodiments, the end face of the screw plug towards the fixed groove abuts against the fixed portion.

[0013] In some embodiments, the end face of the filter frame towards the screw plug is provided with a fixed groove, and at least two limiting blocks are arranged in the fixed groove.

[0014] In some embodiments, the connecting piece is a buckle, the buckle is clamped with the limiting blocks, and the buckle is rotationally arranged in the fixed groove.

[0015] The technical scheme provided by the embodiments of the present application has the following beneficial effects:

[0016] The embodiments of the present application arrange a limiting through groove in the pump body and a guide piece on the outer side of the filter frame. After the filter frame and the screw plug are assembled, the filter frame can rotate freely, so that during the installation of the filter frame and the drainage pump, the guide piece can smoothly enter the limiting through groove, and the user no longer needs to be close to the position of the drainage pump to insert the filter frame at various angles to realize blind installation, thereby improving the user experience. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 FIG. 1 is a perspective view of a drainage pump according to an embodiment of the present application;

[0019] FIG. 2 is a perspective view of a drainage pump according to another embodiment of the present application;Figure 2 Structure exploded view of the drainage pump of an embodiment of the present application;

[0020] Figure 3 Sectional view of the drainage pump of an embodiment of the present application;

[0021] Figure 4 Structure view of the pump body of an embodiment of the present application;

[0022] Figure 5 Structure view of the filter frame of an embodiment of the present application;

[0023] Figure 6 Structure view of the screw plug of an embodiment of the present application;

[0024] Figure 7 Structure view of the sealing ring of an embodiment of the present application.

[0025] In the figure: 1, pump body; 11, filter frame mounting cavity; 12, limiting through slot; 13, water inlet; 14, drainage outlet; 15, fixed sheet; 16, second thread; 17, partition; 18, motor mounting cavity; 171, communication hole; 2, filter frame; 21, filter part; 211, filter hole; 22, fixed part; 221, filter column; 222, filter ring sleeve; 23, support part; 231, guide piece; 2311, guide part; 2312, inclined part; 24, fixed groove; 241, limiting block; 3, screw plug; 31, connecting piece; 32, first thread; 33, handle groove; 34, handle; 4, sealing ring; 41, anti-skid strip. DETAILED DESCRIPTION

[0026] In order for those skilled in the art to better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] The present application provides a drainage pump, which can solve the technical problem that the blind installation of the filter frame in the prior art is prone to cause the filter frame to be not assembled in place or the filter frame to be stuck and not pulled out.

[0028] Figure 1 Perspective view of the drainage pump of an embodiment of the present application. Figure 2 Structure exploded view of the drainage pump of an embodiment of the present application; Figure 3 Sectional view of the drainage pump of an embodiment of the present application;

[0029] In combination with referenceFigure 1 、 Figure 2 and Figure 3 , the drainage pump provided by an embodiment of the application comprises a pump body 1, a filter frame 2 and a screw plug 3.

[0030] Figure 4 FIG. 1 is a structural schematic diagram of the pump body according to an embodiment of the application. In combination with reference to Figure 2 、 Figure 3 and Figure 4 , one end of the pump body 1 is provided with a filter frame mounting cavity 11, and the inner side of the filter frame mounting cavity 11 is longitudinally provided with at least one limiting through slot 12. In addition, the other end of the pump body 1 is also provided with a motor mounting cavity 18, and the motor mounting cavity 18 is separated from the filter frame mounting cavity 11 by a partition plate 17, and the partition plate 17 is provided with a communication hole 171 for connecting the filter frame mounting cavity 11 and the motor mounting cavity 18. The outer side of the pump body 1 is provided with a drainage port 14 and a water inlet 13 which respectively communicate with the filter frame mounting cavity 11 and the motor mounting cavity 18.

[0031] In combination with reference to Figure 4 , the side of the pump body 1 facing the filter frame mounting cavity 11 is circumferentially provided with at least two fixing pieces 15, and the gap between the fixing pieces 15 forms the limiting through slot 12. Specifically, the fixing pieces 15 can be welded with the pump body 1, or the fixing pieces 15 and the pump body 1 can be provided in an integral molding structure, thereby improving the overall structural stability of the drainage pump. In some other embodiments of the application, at least one through slot can be formed in the side of the pump body 1 facing the filter frame mounting cavity 11, thereby eliminating the need to provide the fixing pieces 15, so that the manufacturing process of the drainage pump is simpler.

[0032] Figure 5 FIG. 2 is a structural schematic diagram of the filter frame according to an embodiment of the application. In combination with reference to Figure 2 、 Figure 3 and Figure 5 , the outer surface of the filter frame 2 is provided with a guide 231 matched with the limiting through slot 12 to realize the guidance when the filter frame 2 is inserted into the filter frame mounting cavity 11. Specifically, the guide 231 can be a reinforcing rib, which can improve the product strength of the filter frame 2, and also can satisfy the guiding function when the filter frame 2 is inserted into the filter frame mounting cavity 11.

[0033] During the installation of the filter frame 2 and the drainage pump, the guide 231 can be smoothly inserted into the limiting through slot 12, and the user no longer needs to be close to the position of the drainage pump to insert the filter frame 2 at various angles to realize blind installation.

[0034] Figure 6 FIG. 3 is a structural schematic diagram of the screw plug according to an embodiment of the application. In combination with reference to Figure 2 、 Figure 3 and Figure 6The embodiment of the present application further comprises a screw plug 3 for fixing at the opening of the filter frame mounting cavity 11, and the screw plug 3 is provided with a connecting piece 31 at one end thereof facing the filter frame mounting cavity 11 for rotationally connecting with the end of the filter frame 2. Specifically, the outer side of the end of the screw plug 3 away from the filter frame mounting cavity 11 is provided with a first screw thread 32, and the inner side of the end of the pump body 1 close to the filter frame mounting cavity 11 is provided with a second screw thread 16, the first screw thread 32 corresponds to the second screw thread 16, and after the end of the filter frame 2 is mounted to the end of the screw plug 3 facing the filter frame mounting cavity 11, the filter frame 2 and the screw plug 3 can be freely rotated by 360°. The filter frame 2 is placed in the filter frame mounting cavity 11, and then the end of the screw plug 3 away from the filter frame mounting cavity 11 is threadedly connected with the end of the pump body 1 close to the filter frame mounting cavity 11, and the filter frame 2 and the pump body 1 can be assembled in place by rotating the screw plug 3.

[0035] In some other embodiments of the present application, other detachable connection modes can also be used to connect the end of the screw plug 3 away from the filter frame mounting cavity 11 with the end of the pump body 1 close to the filter frame mounting cavity 11, which are not limited herein.

[0036] Continuing to refer to Figure 2 and Figure 5 In the embodiment of the present application, the filter frame 2 comprises: a filter part 21, which is provided in a circular central column shape and comprises at least three axially arranged filter holes 211 for communicating with the inner cavity of the pump body 1 to form a filter cavity; a filter ring sleeve 222 is provided at the center of the filter part 21 and protrudes towards the direction of the screw plug 3; a fixed part 22 is provided opposite to the filter part 21, and a fixed groove 24 is provided on the side of the fixed part 22 away from the filter part 21; a filter column 221 is provided on the side of the fixed part 22 facing the filter part 21, and one end of the filter column 221 away from the fixed part 22 penetrates into the filter ring sleeve 222; a support part 23 is connected with the filter part 21 and the fixed part 22 at opposite ends thereof respectively, and a guide piece 231 is provided on the side of the support part 23 facing the filter frame mounting cavity 11.

[0037] Specifically, the filter column 221 is in a cross column shape, and the diameter of the circumscribed circle of the outer end of the filter column 221 gradually decreases along the direction of the fixed part 22 facing the filter part 21. One end of the filter column 221 away from the fixed part 22 penetrates into the filter ring sleeve 222, and a gap is left between the filter column 221 and the filter ring sleeve 222 to form a flow passage, thereby realizing filtration.

[0038] In the embodiment of the present application, two support parts 23 are provided for connecting the fixed part 22 of the filter part 21, and one guide piece 231 is provided on the side of each support part 23 facing the filter frame mounting cavity 11, so that the pump body 1 is provided with two limiting through grooves 12, and in the process of mounting the filter frame 2 and the pump body 1, the two guide pieces 231 are respectively smoothly arranged into the corresponding limiting through grooves 12.

[0039] In some other embodiments of the present application, more than two supporting portions 23, guide members 231 or limiting through-slots 12 can be provided, as long as the guide members 231 can smoothly slide into the corresponding limiting through-slots 12 to achieve blind installation of the filter frame 2 at any angle, and the number of the supporting portions 23, guide members 231 or limiting through-slots 12 is not limited herein.

[0040] As shown in Figure 5 In the embodiments of the present application, the guide member 231 comprises a guide portion 2311 extending longitudinally to the edge of the filter portion 21, and an inclined portion 2312 extending from the edge of the fixed portion 22 to the guide portion 2311, wherein the orthographic projection of the end of the inclined portion 2312 away from the fixed portion 22 on the fixed portion 22 covers the end of the inclined portion 2312 close to the fixed portion 22.

[0041] In some embodiments, the guide portion 2311 and the inclined portion 2312 are integrally formed. In this way, the overall structure of the filter frame 2 can be more stable.

[0042] In some embodiments, the end of the guide portion 2311 towards the filter portion 21 is in a circular arc shape. That is, the end of the guide portion 2311 towards the filter portion 21 is smoothly transitioned, which can improve the safety during installation of the filter frame 2, and can also reduce the possibility of damage to the limiting through-slot 12 during the smooth sliding of the guide member 231.

[0043] Figure 7 The structure of the sealing ring in an embodiment of the present application is shown in the schematic view. In combination with reference to Figure 2 , Figure 3 and Figure 7 In the embodiments of the present application, the drainage pump further comprises a sealing ring 4 sleeved on the fixed portion 22. Specifically, the outer circumferential side wall of the fixed portion 22 is provided with an annular groove with an outer opening, and the sealing ring 4 is located in the annular groove. The sealing ring 4 is used to ensure the sealing property of the drainage pump.

[0044] Specifically, the sealing ring 4 comprises two opposite end faces, and an anti-skid strip is arranged on the end face of the sealing ring 4 close to the screw plug 3, which can further enhance the sealing effect of the sealing ring 4.

[0045] In the embodiments of the present application, the end face of the screw plug 3 towards the fixed groove 24 abuts against the fixed portion 22. In this way, the sealing property of the drainage pump can be improved, and the overall structural stability of the drainage pump can also be improved.

[0046] In the embodiment of the present application, the filter frame 2 is provided with a fixing groove 24 at one end surface facing the plug 3, and at least two limiting blocks 241 are arranged in the fixing groove 24. The connecting piece 31 is a buckle, which is engaged with the limiting blocks 241 and is rotationally arranged in the fixing groove 24.

[0047] In the embodiment of the present application, the plug 3 is provided with a handle 34 and a groove 33 at one end away from the fixing groove 24; the handle 34 is arranged in the groove 33 and is in a sawtooth shape. Specifically, the handle 34 can also be treated to be anti-slip, so as not to easily fall off when a user holds the handle 34 to arrange the assembled plug 3 and filter frame 2 in the filter frame mounting cavity 11, and the user's friction force when rotating the plug 3 can also be increased.

[0048] In the embodiment of the present application, the limiting through groove is arranged in the pump body, and the guide piece is arranged outside the filter frame. After the filter frame and the plug are assembled, the filter frame can be freely rotated, so that the guide piece can be smoothly arranged in the limiting through groove in the installation process of the filter frame and the drainage pump, and the user can randomly insert the filter frame at various angles to realize blind installation without being close to the drainage pump, thereby improving the user experience.

[0049] In the description of the present application, it should be noted that the positions or location relationships indicated by the terms "upper", "lower" and the like are based on the positions or location relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0050] It should be noted that, in the present application, the relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0051] The foregoing is merely illustrative of the principles of the application and various modifications can be made by those skilled in the art without departing from the spirit and scope of the application. The above embodiments are illustrative, and not restrictive, of the scope of the application.

Claims

1. A drainage pump, characterized in that The utility model relates to a filter frame and pump body structure of a drainage pump, including: Pump body (1), one end of pump body (1) is equipped with filter frame installation cavity (11), and the inner side of filter frame installation cavity (11) is equipped with at least one limit through slot (12) longitudinally; Filter frame (2), the outer surface of filter frame (2) is equipped with guide (231) with limit through slot (12) matching, to realize the guidance when filter frame (2) is inserted into filter frame installation cavity (11); Screw plug (3) for fixing at the opening of filter frame installation cavity (11), one end of screw plug (3) towards filter frame installation cavity (11) is equipped with connecting piece (31) for rotating connection with the end of filter frame (2).

2. The drainage pump of claim 1, wherein, The side of pump body (1) towards filter frame installation cavity (11) is circumferentially provided with at least two fixing pieces (15), and the gap between fixing pieces (15) forms limit through slot (12).

3. The drainage pump of claim 1, wherein, Filter frame (2) includes: Filter part (21), filter part (21) is arranged in the form of a circle center column, including at least three axially arranged filter holes (211), filter hole (211) is used to communicate with the inner cavity of pump body (1) and forms filter cavity;The center of filter part (21) is protrudingly provided with filter ring sleeve (222) towards the direction of screw plug (3); Fixed part (22) is arranged opposite to filter part (21), and fixed groove (24) is arranged on the side of fixed part (22) away from filter part (21);Filter column (221) is arranged on the side of fixed part (22) towards filter part (21), and one end of filter column (221) away from fixed part (22) penetrates into filter ring sleeve (222); Support part (23) is connected with filter part (21) and fixed part (22) respectively at opposite two ends of support part (23), and guide (231) is arranged on the side of support part (23) towards filter frame installation cavity (11).

4. The drainage pump of claim 3, wherein, The guide (231) includes: Guide part (2311) extends longitudinally to the edge of filter part (21); Inclined part (2312) extends from the edge of fixed part (22) to guide part (2311);Wherein, the end of inclined part (2312) away from fixed part (22) is projected on fixed part (22) and covers the end of inclined part (2312) close to fixed part (22).

5. The drainage pump of claim 4, wherein, The guide part (2311) and the inclined part (2312) are integrally formed.

6. The drainage pump of claim 4, wherein, The end of the guide part (2311) towards the filter part (21) is in the form of a circular arc.

7. The drain pump according to claim 3, characterized by The drainage pump further includes: Sealing ring (4), sealing ring (4) is sleeved on fixed part (22);Wherein, the outer circumferential side wall of fixed part (22) is provided with an annular groove with an outer opening, and the sealing ring (4) is located in the annular groove.

8. The drainage pump of claim 3, wherein, The end face of screw plug (3) towards fixed groove (24) abuts against fixed part (22).

9. The drainage pump of claim 1, wherein, One end face of the filter frame (2) towards the screw plug (3) is provided with a fixing groove (24), and at least two limiting blocks (241) are arranged in the fixing groove (24).

10. The drainage pump of claim 9, wherein, The connecting piece (31) is a buckle, the buckle is clamped with the limiting block (241), and the buckle is rotationally arranged in the fixing groove (24).

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