CN216407279U

CN216407279U - Draining pump for drum washing machine

Info

Publication number: CN216407279U
Application number: CN202123144815.1U
Authority: CN
Inventors: 蔡妙国
Original assignee: Ningbo Odesen Electric Appliance Co ltd
Current assignee: Ningbo Odesen Electric Appliance Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-04-29
Anticipated expiration: 2031-12-14

Abstract

The utility model relates to a draining pump for a drum washing machine, which comprises a pump body, wherein a filtering pipeline is fixedly connected to the water inlet end of the pump body through a flange, and a filtering component is arranged inside the filtering pipeline; the filtering component comprises a filtering cylinder, the filtering pipeline consists of a straight pipe and a U-shaped pipe, and the U-shaped pipe is communicated with the straight pipe. The utility model relates to the technical field of washing devices. This application utilizes and strains a section of thick bamboo and filters the fibre debris in the water body, strain the impulsive force of the inside space fit rivers of a section of thick bamboo and can collect fibre debris and strain a section of thick bamboo back in, the lateral surface of straining a section of thick bamboo still has filtering capability, reduce the probability that the drain pump takes place to block up, simultaneously when the straight tube takes place to block up can't lead to water, the impulsive force cooperation choked flow subassembly of rivers, the U-shaped pipe can replace the straight tube and play filterable role, strain a section of thick bamboo time for the sufficient change of maintainer, reduce the maintenance cost, reduce and block up the adverse effect who brings for washing machine use.

Description

Draining pump for drum washing machine

Technical Field

The utility model relates to the technical field of washing devices, in particular to a draining pump for a drum washing machine.

Background

The drum washing machine is controlled by a microcomputer, clothes are not wound, washing is uniform, the wear rate is 10% lower than that of a pulsator washing machine, and the drum washing machine can wash clothes such as cashmere, wool and silk and achieve comprehensive washing. Or heating to dissolve the washing powder sufficiently to exert the decontamination efficiency of the washing powder sufficiently. High-concentration laundry detergent can be formed in the barrel, and an ideal laundry effect is achieved under the condition of water saving. When the existing washing machine washes clothes, bedclothes and the like, sewage is generated, and the sewage is discharged into a sewer through a drainage pump.

However, at present, the sewage is often accompanied with some slender fibrous impurities, and the filtering structure of the drainage pump is often too simple, so that the problem of blockage is easily caused, and once the blockage occurs, the use of the washing machine is inconvenient, so that the drainage pump for the drum washing machine needs to be provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

According to the defects in the prior art, the utility model aims to provide the draining pump for the drum washing machine, which has the advantages of good anti-blocking effect and convenience in installation.

The technical purpose of the utility model is realized by the following technical scheme:

a drainage pump for a drum washing machine comprises a pump body, wherein a filter pipeline is fixedly connected to the water inlet end of the pump body through a flange, and a filter assembly is arranged inside the filter pipeline;

the filtering component comprises a filtering cylinder, the filtering pipeline consists of a straight pipe and a U-shaped pipe, the U-shaped pipe is communicated with the straight pipe, and flow blocking components are arranged in two communicating ports of the U-shaped pipe and the straight pipe;

the filter cartridges are arranged in the straight tubes and the U-shaped tubes respectively in the transverse direction, movable spaces are reserved between the filter cartridges and the straight tubes and between the filter cartridges and the U-shaped tubes, and mounting assemblies are arranged in the movable spaces.

Through adopting above-mentioned technical scheme, through the cooperation between straight tube and the U-shaped pipe, establish a filtration passageway in addition on original filtration passageway's basis, strain a section of thick bamboo when the straight tube in and be in the saturation back, can get through another filtration passageway through the choked flow subassembly, effectual extension filter assembly's life, reduce the probability of jam, and the cooperation has a section of thick bamboo, utilize the impulsive force of rivers and the cask column structure of straining a section of thick bamboo, can effectively filter the fibre debris in aquatic, fibre debris are strikeed to the deeper of straining a section of thick bamboo, and the lateral surface of straining a section of thick bamboo still possesses filtering capability.

The present invention in a preferred example may be further configured to: the flow resisting assembly comprises a plug, the plug is in interference fit with a communication port between the straight pipe and the U-shaped pipe, a cross-shaped support is arranged inside one end of the U-shaped pipe and is located right below the plug, a telescopic unit is arranged between the plug and the middle of the cross-shaped support, and a spring is sleeved outside the telescopic unit;

the diameter of the plug is smaller than the inner diameter of the U-shaped pipe.

Through adopting above-mentioned technical scheme, seal two intercommunication mouths between straight tube and the U-shaped pipe through two chokers, make the straight tube at first be in the filtration state, when appearing blockking up in the straight tube, rivers are unable to pass through the straight tube, at this moment, water pressure gives pressure of end cap, make the flexible unit take place the shrink, the spring is in the compression state, first intercommunication mouth is opened, then the U-shaped pipe is in the filtration state, and water pressure can give pressure of another intraoral end cap of intercommunication, end cap rebound, the flexible unit takes place to extend, the spring is in the extension state, another intercommunication mouth also is in the open mode, and then the U-shaped pipe is in the filtration state, accomplish the purpose that the filtration switched.

The present invention in a preferred example may be further configured to: the telescopic unit comprises a pipe a and a pipe b, wherein the pipe a is of a cylindrical hollow structure, and the pipe b is inserted into the pipe a.

By adopting the technical scheme, the motion trail of the plug can be limited by the matching between the tube b and the tube a, so that the plug keeps linear motion.

The present invention in a preferred example may be further configured to: the mounting assembly comprises a mounting ring and four limiting blocks, the four limiting blocks are distributed at equal intervals along the circumferential direction of the inner diameter of the straight pipe or the U-shaped pipe, mounting blocks are arranged at the positions, corresponding to the limiting blocks, of the outer side of the filter cylinder, the mounting blocks are attached to the limiting blocks, and the lip edge of the open end of the filter cylinder is fixedly connected with the mounting ring through a plurality of bolts.

Through adopting above-mentioned technical scheme, when straining a section of thick bamboo and being located straight tube or U-shaped intraductal, can carry on spacingly to it through collar and four stoppers, guarantee that it remains stable under the impulsive force of rivers, when needs are dismantled simultaneously, only need to relieve through the bolt and strain a fixed effect between section of thick bamboo and the collar, outwards take out from strain a section of thick bamboo can.

The present invention in a preferred example may be further configured to: four gaps are formed in the mounting ring, and the cross sectional area of each gap is not smaller than that of the mounting block.

Through adopting above-mentioned technical scheme, the setting of breach is in order to strain a section of thick bamboo when passing the collar, and the stopper can not produce the motion interference between the collar.

The present invention in a preferred example may be further configured to: the opening end of the filter cylinder is further clamped with a clamping ring, and the inner diameter surface of the clamping ring is obliquely arranged towards the direction of the filter cylinder.

Through adopting above-mentioned technical scheme, utilize the interior anchor ring of snap ring, conveniently carry out the water conservancy diversion to rivers, avoid rivers phenomenon of vortex to appear, the snap ring can be protected the bolt simultaneously, prolongs the life of bolt, ensures the normal clear of installation dismantlement operation.

In summary, the utility model includes at least one of the following beneficial technical effects:

1. according to the drainage pump, the filter cartridge is used for filtering fiber sundries in the water body, the space inside the filter cartridge is matched with the impulsive force of water flow, so that after the fiber sundries can be collected in the filter cartridge, the outer side surface of the filter cartridge still has a filtering function, the probability of blockage of the drainage pump is reduced, meanwhile, when a straight pipe is blocked and water cannot flow, the impulsive force of the water flow is matched with a flow blocking component, a U-shaped pipe can replace the straight pipe to play a role in filtering, the filter cartridge replacement time is sufficient for maintenance personnel, the maintenance cost is reduced, and the adverse effect of the blockage on the use of the washing machine is reduced;

2. according to the filter cartridge, the mounting ring and the four limiting blocks are used for mounting the filter cartridge, so that the filter cartridge is guaranteed to be stable under the impulsive force of water flow, and when the filter cartridge needs to be dismounted, the fixing effect between the filter cartridge and the mounting ring is relieved only through bolts, and the filter cartridge is pulled outwards;

3. the snap ring in this application can carry out reasonable water conservancy diversion to rivers on the one hand, avoids rivers impact collar problem very much, and on the other hand can protect the bolt, improves installation component's life.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a partial longitudinal sectional view of the present embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 2 of the present embodiment.

In the figure, 1 pump body, 2 filtering pipelines, 21 straight pipes, 22U-shaped pipes, 3 filtering assemblies, 31 filtering cylinders, 32 flow blocking assemblies, 33 movable spaces, 34 mounting assemblies, 321 plugs, 322 cross-shaped supports, 323 telescopic units, 324 springs, 3231 pipe a, 3232 pipe b, 341 mounting rings, 342 limiting blocks, 343 mounting blocks, 344 gaps and 345 clamping rings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1-3, the drainage pump for the drum washing machine disclosed by the utility model comprises a pump body 1, wherein a filter pipeline 2 is fixedly connected to a water inlet end of the pump body 1 through a flange, and a filter assembly 3 is arranged inside the filter pipeline 2; the filtering component 3 comprises a filter cartridge 31, the filtering pipeline 2 consists of a straight pipe 21 and a U-shaped pipe 22, the U-shaped pipe 22 is communicated with the straight pipe 21, it can be understood that the U-shaped pipe 22 and the straight pipe 21 together provide two filtering channels, the U-shaped pipe 22 is used for compensating the straight pipe 21 after being blocked, the situation that the drainage pump cannot run after the straight pipe 21 is blocked is avoided, the normal use of the washing machine is further influenced, and flow blocking components 32 are arranged in two communicating ports of the U-shaped pipe and the straight pipe 21; the number of the filter cartridges 31 is two, the two filter cartridges 31 are respectively transversely installed inside the straight tube 21 and the U-shaped tube 22, and the movable spaces 33 are respectively reserved between the filter cartridges 31 and the straight tube 21 and the U-shaped tube 22, it should be noted that after a certain amount of fiber impurities are reserved in the filter cartridges 31, the fiber impurities are brought to a deeper position of the filter cartridges 31 by water flow, at this time, the water flow can enter the cavity in the pump body 1 through the movable spaces 33 through the filter holes on the outer side surfaces of the filter cartridges 31, the service life of the filter cartridges 31 is prolonged, and the installation assemblies 34 are installed in the movable spaces 33.

Referring to fig. 2, the choke assembly 32 includes two plugs 321, where the plugs 321 are in interference fit with a communication port between the straight tube 21 and the U-shaped tube 22, and it can be understood that the number of the plugs 321 is two, the plugs 321 are used to seal the communication port between the straight tube 21 and the U-shaped tube 22, it should be noted that the top of the plugs 321 is flush with an inner diameter surface of the straight tube 21, that is, when water flows through the straight tube 21, the top structure of the plugs 321 does not obstruct a normal running direction of the water flow, a cross-shaped bracket 322 is installed inside one end of the U-shaped tube 22, the cross-shaped bracket 322 is located right below the plugs 321, a telescopic unit 323 is installed between the plugs 321 and the middle of the cross-shaped bracket 322, and a spring 324 is sleeved outside the telescopic unit 323; the diameter of the plug 321 is less than the inner diameter of the U-shaped tube 22. The diameter of the stopper 321 is smaller than the inner diameter of the U-shaped pipe 22, so that when the stopper 321 moves downward, a space exists between the stopper 321 and the U-shaped pipe 22, and the space is used for facilitating the water flow.

With continued reference to fig. 2, the telescopic unit 323 includes a tube a3231 and a tube b3232, the tube a3231 is a cylindrical hollow structure, and the tube b3232 is inserted into the tube a 3231. When the plug 321 is subjected to the impulsive force of water flow, the telescopic unit 323 can be stretched to adapt to the change of the height of the plug 321, so that the motion track of the plug 321 is limited, and the interference between the reset plug and the communication port is avoided.

Referring to fig. 2-3, the mounting assembly 34 includes a mounting ring 341 and four limiting blocks 342, the four limiting blocks 342 are equidistantly distributed along the inner diameter circumference of the straight tube 21 or the U-shaped tube 22, the mounting blocks 343 are respectively mounted at positions corresponding to the limiting blocks 342 on the outer side of the filter cartridge 31, the mounting blocks 343 are attached to the limiting blocks 342, and the lip edge of the open end of the filter cartridge 31 is fixedly connected to the mounting ring 341 through a plurality of bolts. It can be understood that when the filter cartridge 31 is located in the straight tube 21 and when the filter cartridge 31 is located in the U-shaped tube 22, the end of the filter cartridge 31 is fixed by the interference between the limiting block 342 and the mounting block 343, and the head of the filter cartridge 31 is fixed by the lip of the filter cartridge 31 and the mounting ring 343 through bolts, so as to achieve the purpose of stable installation.

Referring to fig. 3, the mounting ring 341 has four notches 344 defined therein, and the cross-sectional area of the notches 344 is not less than the cross-sectional area of the mounting block 343. The gap 344 is provided so that when the filter cartridge 31 passes through the mounting ring 343, the stopper 342 does not interfere with the movement of the mounting ring 341

Referring to fig. 2, a snap ring 345 is further engaged with the open end of the filter cartridge 31, and an inner diameter of the snap ring 345 is inclined in a direction toward the filter cartridge 31. Its aim at, on the one hand can carry out reasonable water conservancy diversion to rivers, avoids rivers to strike collar 341 very much problem, and on the other hand can protect the bolt, improves installation component's life.

The implementation principle of the above embodiment is as follows:

in the initial state, water flows through the straight pipe 21, enters the pump body 1 after being filtered by the filter cartridge 31, fiber impurities are left in the filter cartridge 31, meanwhile, the fiber impurities are collected in the deep part of the filter cartridge 31 under the impact force of the water flow, and the U-shaped pipe 22 is in an idle state at this time;

as time goes on, the fiber impurities are more and more, the straight pipe 21 is blocked, that is, the volume of the fiber impurities in the filter cartridge 31 is saturated, at this time, water flow cannot pass through the filter cartridge 31 in the straight pipe 21, a pressure is applied to the plug 321, so that the telescopic unit 323 is contracted, the spring 324 is in a compressed state, the first communication port is opened, then the U-shaped pipe 22 is in a filtering state, the water pressure applies a pressure to the plug 321 in the other communication port, the plug 321 moves upwards, the telescopic unit 323 extends, the spring 324 is in an extended state, the other communication port is also in an opened state, and then the U-shaped pipe 22 is in a filtering state, so that the purpose of filtering switching is completed, and sufficient reaction time is provided for maintenance personnel;

when the filter cartridge 31 with the saturated volume needs to be replaced, the snap ring 345 can be pulled outwards at this time, the bolt is screwed to remove the fixing effect between the filter cartridge 31 and the mounting ring 341, and then the filter cartridge 31 is pulled outwards.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.

Claims

1. A drain pump for a drum washing machine, comprising a pump body (1), characterized in that: a filter pipeline (2) is fixedly connected to the water inlet end of the pump body (1) through a flange, and a filter assembly (3) is arranged inside the filter pipeline (2);

the filtering component (3) comprises a filtering cylinder (31), the filtering pipeline (2) is composed of a straight pipe (21) and a U-shaped pipe (22), the U-shaped pipe (22) is communicated with the straight pipe (21), and two communicating ports of the U-shaped pipe and the straight pipe (21) are respectively provided with a flow blocking component (32);

the number of the filter cartridges (31) is two, the two filter cartridges (31) are respectively transversely arranged inside the straight pipe (21) and the U-shaped pipe (22), an active space (33) is reserved between each filter cartridge (31) and the straight pipe (21) and the U-shaped pipe (22), and a mounting assembly (34) is arranged in each active space (33).

2. A drain pump for a drum washing machine according to claim 1, characterized in that: the flow resisting assembly (32) comprises a plug (321), the plug (321) is in interference fit with a communication port between the straight pipe (21) and the U-shaped pipe (22), a cross-shaped bracket (322) is arranged inside one end of the U-shaped pipe (22), the cross-shaped bracket (322) is located under the plug (321), a telescopic unit (323) is arranged between the plug (321) and the middle of the cross-shaped bracket (322), and a spring (324) is sleeved outside the telescopic unit (323);

the diameter of the plug (321) is smaller than the inner diameter of the U-shaped pipe (22).

3. A drain pump for a drum washing machine according to claim 2, characterized in that: the telescopic unit (323) comprises a tube a (3231) and a tube b (3232), wherein the tube a (3231) is of a cylindrical hollow structure, and the tube b (3232) is inserted into the tube a (3231).

4. A drain pump for a drum washing machine according to claim 1, characterized in that: the mounting assembly (34) comprises a mounting ring (341) and four limiting blocks (342), the four limiting blocks (342) are distributed at equal intervals along the inner diameter circumferential direction of the straight pipe (21) or the U-shaped pipe (22), mounting blocks (343) are arranged on the outer side of the filter cartridge (31) corresponding to the positions of the limiting blocks (342), the mounting blocks (343) are attached to the limiting blocks (342), and the lip edge of the opening end of the filter cartridge (31) is fixedly connected with the mounting ring (341) through a plurality of bolts.

5. A drain pump for a drum washing machine according to claim 4, characterized in that: four notches (344) are formed in the mounting ring (341), and the cross sectional area of each notch (344) is not smaller than that of the mounting block (343).

6. A drain pump for a drum washing machine according to claim 1, characterized in that: a snap ring (345) is clamped at the opening end of the filter cylinder (31), and the inner diameter surface of the snap ring (345) is obliquely arranged towards the direction of the filter cylinder (31).