CN214033050U

CN214033050U - Draining pump and washing machine

Info

Publication number: CN214033050U
Application number: CN202022096370.3U
Authority: CN
Inventors: 孙兴; 梁繁荣
Original assignee: Zhongshan Ruijeep Electrical Co ltd
Current assignee: Zhongshan Ruijeep Electrical Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-08-24
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a drain pump and washing machine, wherein, a drain pump includes pump case and filter piece, is equipped with the filter chamber and the drainage chamber of intercommunication in the pump case, and the pump case corresponds the filter chamber and is equipped with the water inlet, and the pump case corresponds the drainage chamber and is equipped with the delivery port, filters the piece and locates the filter chamber. Through above-mentioned structure, be equipped with the filter chamber and the drainage chamber of intercommunication in the pump case, filter and locate the filter chamber, consequently, filter the debris that will get into in the drainage chamber and block to reduce the probability that debris got into the drainage chamber.

Description

Draining pump and washing machine

Technical Field

The utility model relates to a washing technical field, in particular to drain pump and washing machine.

Background

With the development of socio-economic, more and more households are equipped with washing machines to improve the quality of life.

In life, sundries are always left on clothes put into the washing machine by people, can enter a drainage cavity in the drainage pump, and can entangle an impeller in the drainage cavity to influence the normal work of the clothes.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a drain pump can reduce the probability that debris got into the drainage chamber.

The utility model discloses still provide a washing machine who has this drain pump.

According to the utility model discloses a drain pump of first aspect embodiment includes: the water filter comprises a pump shell and a filter piece, wherein a filter cavity and a water drainage cavity which are communicated with each other are arranged in the pump shell, the pump shell corresponds to the filter cavity and is provided with a water inlet, the pump shell corresponds to the water drainage cavity and is provided with a water outlet, and the filter piece is arranged in the filter cavity.

According to the utility model discloses drain pump has following beneficial effect at least: through above-mentioned structure, be equipped with the filter chamber and the drainage chamber of intercommunication in the pump case, filter and locate the filter chamber, consequently, filter the debris that will get into in the drainage chamber and block to reduce the probability that debris got into the drainage chamber.

According to some embodiments of the utility model, the pump case includes casing and end cover, be equipped with the baffle in the casing, the baffle will the inner chamber of casing is separated into the filter chamber with water drainage chamber, the baffle is equipped with the intercommunication the filter chamber with water drainage chamber's first through-hole, the casing is equipped with the water inlet with the delivery port, end cover detachably connect in the casing, the end cover can with filter a piece butt in the baffle.

According to some embodiments of the utility model, filter the piece including the filter plate, support the lid and the bumping post, the filter plate be equipped with the second through-hole that first through-hole is relative, the lateral margin of second through-hole is along keeping away from the direction in drainage chamber is extended there is the flange, support the lid with the filter plate interval sets up, support the lid with the filter plate passes through the rib and connects, the one end of bumping post with support the lid and connect, the other end extends to in the flange, the end cover can support and press support the lid so that the filter plate butt in the baffle.

According to some embodiments of the utility model, the end cover with support and cover both one of them and be equipped with to the compression leg, the other be equipped with support the compression leg complex and support the indent, support the compression leg and insert with rotating support the indent, just support the compression leg with support the tank bottom butt in indent, so that the end cover can support and press support the cover.

According to some embodiments of the utility model, the cell wall ring that supports the indent is equipped with first lug, the lateral wall ring that supports the compression leg is equipped with the second lug, support the compression leg and insert when supporting the indent, first lug butt in the top of second lug.

According to some embodiments of the utility model, the cell wall that supports the indent is equipped with the first breach of two relative settings, the lateral wall that supports the compression leg is equipped with the second breach of two relative settings, first lug with the second breach is aimed at or the second lug with when first breach is aimed at, the end cover with support the lid side and can separate.

According to some embodiments of the utility model, the filter plate the support the lid the rib and the bumping post is the integrated into one piece structure.

According to some embodiments of the present invention, the filter chamber is provided with a third projection, and the filter member is guided by the third projection and the guide groove to be fitted into the filter chamber.

According to some embodiments of the utility model, cover and be equipped with the sealing washer, the sealing washer is sealed support the lid with clearance between the filter chamber.

The washing machine according to the second aspect of the invention comprises a drain pump as described above.

According to the utility model discloses washing machine has following beneficial effect at least: through the structure, the probability of sundries entering the drainage cavity is reduced, so that the drainage performance of the washing machine is stabilized.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of a drainage pump according to an embodiment of the present invention;

FIG. 2 is a partially exploded view of the drain pump shown in FIG. 1;

FIG. 3 is a block diagram of the housing shown in FIG. 2;

FIG. 4 is a cross-sectional view of the housing shown in FIG. 3;

FIG. 5 is a block diagram of the end cap, filter element and seal ring shown in FIG. 2;

FIG. 6 is a block diagram of the filter element shown in FIG. 2;

FIG. 7 is another block diagram of the sump pump of FIG. 1;

FIG. 8 is a cross-sectional view of the drain pump shown in FIG. 7;

FIG. 9 is an enlarged view of portion A of FIG. 8;

fig. 10 is an enlarged view of a portion B in fig. 8.

Reference numerals:

the pump casing 100, the casing 110, the partition 111, the first through hole 111A, the filter cavity 112, the guide groove 112A, the drain cavity 113, the water inlet 114, the water outlet 115, the slot 116, the second mounting hole 117, the end cover 120, the pressing column 121, the second bump 121A and the second gap 121B;

the filter comprises a filter element 200, a filter plate 210, a second through hole 211, a flange 211A, a butting cover 220, a butting groove 221, a first bump 221A, a first notch 221B, a stop column 230, a rib 240 and a third bump 241;

an impeller 300;

the driving device 400, the insertion block 410 and the first mounting hole 420;

and a seal ring 500.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, if there are first, second and third descriptions, they are only used for distinguishing technical features, but they are not interpreted as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 10, a drain pump according to an embodiment of the present invention includes a pump housing 100, a filter member 200, an impeller 300, and a driving device 400.

The pump shell 100 is internally provided with a filter cavity 112 and a drain cavity 113 which are communicated, the pump shell 100 is provided with a water inlet 114 corresponding to the filter cavity 112, the pump shell 100 is provided with a water outlet 115 corresponding to the drain cavity 113, the filter element 200 is arranged in the filter cavity 112, the impeller 300 is arranged in the drain cavity 113, the driving device 400 is connected with the pump shell 100, and the driving device 400 can drive the impeller 300 to rotate in the drain cavity 113.

Through the structure, the filter cavity 112 and the drainage cavity 113 which are communicated with each other are arranged in the pump shell 100, the filter piece 200 is arranged in the filter cavity 112, and the impeller 300 is arranged in the drainage cavity 113, so that sundries entering the water inlet pump are blocked by the filter piece 200, the probability that the sundries enter the drainage cavity 113 is reduced, and the probability that the sundries entangle the impeller is reduced.

The pump casing 100 includes a casing 110 and an end cap 120.

Referring to fig. 2, 3 and 4, a partition 111 is disposed in the housing 110, the partition 111 divides an inner cavity of the housing 110 into the filter cavity 112 and the drain cavity 113, the partition 111 has a first through hole 111A communicating the filter cavity 112 and the drain cavity 113, the housing 110 has a water inlet connector communicating the filter cavity 112, the water inlet connector has a water inlet 114, and the housing 110 further has a water outlet connector communicating the drain cavity 113, the water outlet connector has a water outlet 115.

Specifically, referring to fig. 2, 3 and 4, the driving device 400 is provided with an insertion block 410, the housing 110 is provided with an insertion slot 116 engaged with the insertion block 410, and the insertion block 410 is inserted into the insertion slot 116 to connect the housing 110 and the driving device 400.

In the present embodiment, the plurality of slots 116 are provided around the axis of the housing 110, and the number of the insertion blocks 410 is uniformly 3 around the axis of the housing 110.

With the above structure, the housing 110 can also be connected to the driving device 400 after rotating around its axis by a corresponding angle.

In order to increase the connection stability between the housing 110 and the driving device 400, a first mounting hole 420 is formed on the driving device 400, a second mounting hole 117 corresponding to the first mounting hole 420 is formed on the housing 110, and a fastening member is inserted into the first mounting hole 420 and the second mounting hole 117 to fasten the housing 110 and the driving device 400. Wherein the fastener can be a screw or the like.

In some embodiments, the insert 410 may be disposed on the housing 110, and the slot 116 may be disposed on the driving device 400.

The end cap 120 is detachably coupled to the housing 110, and specifically, referring to fig. 2 and 5, an outer side wall of the end cap 120 is provided with an external thread, the housing 110 is provided with an internal thread matching the external thread, the housing 110 is detachably coupled to the housing 110 through the external thread and the internal thread, and the end cap 120 can abut the filter 200 against the partition 111.

In some embodiments, the end cap 120 and the housing 110 may also be detachably connected by a snap-fit connection.

The filter pack 200 includes a filter plate 210, a retaining cap 220, and a stop 230.

Referring to fig. 5 and 6, the filter plate 210 is provided with a second through hole 211 opposite to the first through hole 111A, a flange 211A extends from a side edge of the second through hole 211 in a direction away from the drain cavity 113, the abutting cover 220 is spaced apart from the filter plate 210, the abutting cover 220 is connected to the filter plate 210 by a rib 240, one end of the retaining column 230 is connected to the abutting cover 220, and the other end extends into the flange 211A, wherein the filter plate 210, the abutting cover 220, the rib 240 and the retaining column 230 are of an integrally formed structure.

Through the structure, the matching of the baffle column 230 and the flange 211 can reduce the probability of impurities entering the drainage cavity 113, so as to reduce the probability of the impurities entangling the impeller 300.

In order to guide the filter element 200 into the filter chamber 112, the wall of the filter chamber 112 is provided with a guide groove 112A, the rib 240 is provided with a third projection 241 which engages with the guide groove 112A, and the filter element 200 is guided into the filter chamber 112 by the third projection 241 and the guide groove 112A.

In some embodiments, the guiding groove 112A can be disposed on the rib 240, and the third protrusion 241 can be disposed on the wall of the filter cavity 112.

Referring to fig. 5, 8 and 9, in order to prevent water in the filter cavity 112 from flowing out from the gap between the abutting cover 220 and the filter cavity 112, a sealing ring 500 is disposed on the abutting cover 220, and the sealing ring 500 seals the gap between the abutting cover 220 and the filter cavity 112.

The end cover 120 can press against the pressing cover 220 to press the filter plate 210 against the partition 111, specifically, the end cover 120 is provided with a pressing column 121, the pressing cover 220 is provided with a pressing groove 221 matched with the pressing column 121, the pressing column 121 can be rotatably inserted into the pressing groove 221, and the pressing column 121 is pressed against the groove bottom of the pressing groove 221 to press the pressing cover 220 against the end cover 120. Wherein, the pressing column 121 is cylindrical.

In some embodiments, the pressing column 121 may be disposed on the pressing cover 220, and the pressing groove 221 may be disposed on the end cover 120.

Referring to fig. 5, 6, 8 and 10, the groove wall of the pressing groove 221 is annularly provided with a first protrusion 221A, the side wall of the pressing column 121 is annularly provided with a second protrusion 121A, and when the pressing column 121 is inserted into the pressing groove 221, the first protrusion 221A abuts on the second protrusion 121A.

With the above structure, when the filter element 200 needs to be detached, the first projection 221A abuts on the second projection 121A, so that the filter element 200 and the end cap 120 can be detached together.

In order to quickly separate the disassembled filter element 200 from the end cap 120, the wall of the pressing groove 221 is provided with two oppositely arranged first notches 221B, the sidewall of the pressing column 121 is provided with two oppositely arranged second notches 121B, and when the first protrusion 221A is aligned with the second notch 121B or the second protrusion 121A is aligned with the first notch 221B, the end cap 120 and the pressing cap 220 can be separated.

The utility model also provides a washing machine, it includes foretell drain pump. With the above structure, the probability of foreign materials entering the drain chamber 113 is reduced to stabilize the drainage performance of the washing machine.

Of course, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications and substitutions are included in the scope defined by the claims of the present application.

Claims

1. A drain pump, characterized by: comprises that

The pump comprises a pump shell, wherein a filter cavity and a drainage cavity which are communicated with each other are arranged in the pump shell, the pump shell is provided with a water inlet corresponding to the filter cavity, and the pump shell is provided with a water outlet corresponding to the drainage cavity;

the filtering piece is arranged in the filtering cavity;

the pump housing includes:

the water inlet and the water outlet are formed in the shell, the inner cavity of the shell is divided into the filtering cavity and the water discharging cavity by the partition plate, the partition plate is provided with a first through hole for communicating the filtering cavity with the water discharging cavity, and the water inlet and the water outlet are formed in the shell;

an end cap removably connected to the housing, the end cap capable of abutting the filter element against the separator plate;

the filter member includes:

the filter plate is provided with a second through hole opposite to the first through hole, and the side edge of the second through hole extends to form a flange along the direction far away from the drainage cavity;

the abutting cover is arranged at intervals with the filter plate and is connected with the filter plate through ribs;

one end of the blocking column is connected with the abutting cover, and the other end of the blocking column extends into the flange;

the end cover can press the abutting cover so that the filter plate abuts against the partition plate.

2. A drain pump according to claim 1, characterized in that:

one of the end cover and the abutting cover is provided with an abutting column, the other one of the end cover and the abutting cover is provided with an abutting groove matched with the abutting column, the abutting column can be rotatably inserted into the abutting groove, and the abutting column is abutted against the groove bottom of the abutting groove so that the end cover can abut against the abutting cover.

3. A drain pump according to claim 2, characterized in that:

the wall of the abutting groove is annularly provided with a first convex block, the wall of the abutting column is annularly provided with a second convex block, and when the abutting column is inserted into the abutting groove, the first convex block abuts against the upper part of the second convex block.

4. A drain pump according to claim 3, characterized in that:

the wall of the abutting groove is provided with two oppositely arranged first gaps, the side wall of the abutting column is provided with two oppositely arranged second gaps, and the end cover and the abutting cover can be separated when the first convex block is aligned with the second gaps or the second convex block is aligned with the first gaps.

5. A drain pump according to claim 1, characterized in that:

the filter plate, the abutting cover, the rib and the retaining column are of an integrally formed structure.

6. A drain pump according to claim 1, characterized in that:

one of the cavity wall of the filter cavity and the rib is provided with a guide groove, the other one of the cavity wall of the filter cavity and the rib is provided with a third bump matched with the guide groove, and the filter element is guided and installed into the filter cavity through the third bump and the guide groove.

7. A drain pump according to claim 1, characterized in that:

the abutting cover is provided with a sealing ring, and the sealing ring seals a gap between the abutting cover and the filter cavity.

8. Washing machine, its characterized in that: comprising a drain pump according to any of claims 1-7.