CN219670873U - Joint for drainage and washing machine - Google Patents

Abstract

The utility model provides a joint for drainage and a washing machine, wherein the joint comprises a drainage pipe and a locking structure, a convex part is designed at the water inlet end of the drainage pipe, and then the joint is locked and fixed on a barrel wall through the locking structure positioned at the outer side of the barrel wall, so that the inner side and the outer side of the joint of the barrel wall and the joint are sealed; the sealing effect of the joint is gradually improved by arranging the first sealing element, the second sealing element and the third sealing element; through local thickening bucket wall to set up on the bucket wall with bulge cooperation step hole, will the water inlet end of joint is whole falls into in the step hole, it is longer to have overcome current joint, and the bulge of keeping inside the washing machine can twine or produce the problem of interference with the dehydration bucket with washing clothing, neither influences normal washing process, can nimble reutilization washing water as required again, reaches water-saving's purpose.

Description

Joint for drainage and washing machine

Technical Field

The utility model relates to the technical field of joints, in particular to a joint for draining water of a washing machine.

Background

The washing machine is a household appliance frequently used in daily life of people, and is also a household appliance mainly used for water in families. After the washing is finished, the washing water is generally discharged to a sewer pipe, but many times, the washing water still has secondary use value, such as washing a mop, flushing a toilet, and the like, and waste is caused if the washing water is directly discharged. However, most of the existing semi-automatic double-tub washing machines only have water draining ports for draining water in a sewer, and no water draining ports for facilitating secondary use of washing water by people are provided, if holes are reserved at proper positions of a washing tub or a dewatering tub, and after the existing water draining connectors or other structures for controlling water draining are installed, connectors such as a faucet or a control valve are long, and are locked and fixed from inside, the long protruding parts are placed inside the washing machine and can be wound with washing clothes or interfere with the dewatering tub, so that the washing process or the dewatering process is influenced, and therefore, it is very necessary to design a water draining connector capable of utilizing secondary washing water without influencing the washing process.

Disclosure of Invention

The utility model aims to solve the problems, and provides a joint for drainage and a washing machine, wherein the joint is arranged on the wall of a washing barrel of the washing machine, so that the washing process is not affected, and washing water can be discharged through the joint for secondary use after washing is finished, and the aim of saving water is fulfilled.

The utility model provides a joint for drainage, which comprises a drainage pipe provided with a drainage channel and a locking structure; the drain pipe is provided with a water inlet end and a water outlet end; the water inlet end is circumferentially provided with a protruding part, the protruding part is provided with an annular conical surface, and the opening of the conical surface gradually increases towards the water inlet end.

According to some embodiments of the utility model, the protrusion is provided with a groove for providing the first seal.

According to some embodiments of the utility model, the water inlet end and/or the water outlet end is provided with an internal thread.

According to some embodiments of the utility model, the locking structure comprises an external thread provided on the drain pipe and a nut engaged with the external thread.

The utility model also provides a washing machine, which comprises a tub wall, wherein the tub wall is provided with a joint for draining water.

According to some embodiments of the utility model, the connection area between the tub wall and the joint is locally thickened.

According to the technical scheme provided by certain embodiments of the utility model, the barrel wall is provided with a step hole matched with the protruding part;

according to some embodiments of the utility model, a second sealing member is disposed in the stepped hole.

According to some embodiments of the utility model, the inner side of the tub wall is provided with a protrusion, and the protrusion is provided with a through hole for installing the joint.

Compared with the prior art, the utility model has the beneficial effects that:

through the design bulge at the water inlet end of drain pipe to design annular conical surface on the bulge, during the application, install the joint on the staving of washing machine, will through being located the locking structure in the staving outside connect the lock is fixed to on the staving, realize the staving with the inside and outside seal of joint junction, the design of conical surface both can improve the leakproofness between joint and the staving, can also reduce the part that the joint stretches into in the washing machine has overcome current joint longer and inside lock fixedly, and the protruding part of placing in the washing machine can twine or produce the problem of interference with the dehydration bucket with washing clothing, neither influence normal washing process, can nimble reutilization wash water as required again reaches water economy's purpose.

Drawings

FIG. 1 is a schematic view of a joint according to example 1 of the present utility model.

FIG. 2 is a schematic view of a joint according to embodiment 2 of the present utility model.

FIG. 3 is a schematic view of a connector according to embodiment 3 of the present utility model.

Fig. 4 is a schematic diagram illustrating the installation of the joint and the washing machine according to embodiment 4 of the present utility model.

Fig. 5 is a schematic view illustrating the installation of the joint and the washing machine according to embodiment 5 of the present utility model.

Fig. 6 is a schematic diagram illustrating the installation of the joint and the washing machine according to embodiment 6 of the present utility model.

Fig. 7 is a schematic view showing the installation of the joint of embodiment 7 of the present utility model and a washing machine.

Fig. 8 is an enlarged schematic view of the area a in fig. 7.

FIG. 9 is a schematic view of the fitting and laundry installation of example 8.

Fig. 10 is an enlarged schematic view of region B in fig. 9.

In the figure, 1, a drain pipe; 2. a protruding portion; 3. a first seal; 4. a second seal; 5. a tub wall; 6. a third seal; 7. a locking structure; 8. a washing chamber; 9. a drainage control device; 10. a protrusion.

Detailed Description

For a better understanding of the technical solutions of the present utility model, those skilled in the art will now describe the present utility model in detail with reference to the accompanying drawings, the description of which is only exemplary and explanatory and should not be taken as limiting the scope of the present utility model.

Example 1

A joint for drainage as shown in fig. 1, the joint comprising a drain pipe 1 provided with a drain passage; the drain pipe 1 is provided with a water inlet end and a water outlet end; the water inlet end is circumferentially provided with an annular protruding part 2 coaxial with the water outlet pipe 1, the protruding part 2 is provided with an annular conical surface, and the opening of the conical surface gradually increases towards the water inlet end; the conical surface is provided with a groove, a first sealing piece 3 is preset in the groove, and the first sealing piece 3 is a sealing gasket with certain flexibility.

In some embodiments, the water inlet end and the water outlet end are provided with internal threads, and a plugging device, a filtering device or other drainage control structures provided with external threads, such as a faucet or a drainage valve, can be installed.

In some embodiments, as shown in fig. 4, the joint further comprises a locking structure 7 for mounting and fixing the joint, and the locking structure 7 comprises an external thread provided on the drain pipe 1 and a nut matched with the external thread.

Example 2

As shown in fig. 2 and 5, a joint for drainage includes a drainage pipe 1 provided with a drainage passage; the drain pipe 1 is provided with a water inlet end and a water outlet end; the water inlet end is circumferentially provided with an annular protruding portion 2 coaxial with the water outlet pipe 1, the protruding portion 2 is provided with an annular conical surface, and the opening of the conical surface gradually increases towards the water inlet end.

In some embodiments, the drain pipe 1 is provided with internal threads of a through length, and a plugging device, or a filtering device, or other drain control structure provided with external threads, such as a faucet or a drain valve, etc., may be installed.

In some embodiments, as shown in fig. 5, the drain fitting as described in fig. 2 is mounted to the tub wall 5 of a laundry, the fitting further comprising a locking structure 7 for mounting and securing the fitting, the locking structure 7 comprising an external thread provided on the drain pipe 1 and a nut cooperating with the external thread.

Example 3

A joint for drainage as shown in fig. 3 is the same as that of embodiment 2, and is not described in detail, except that,

the conical surface is provided with a groove, a first sealing piece 3 is preset in the groove, the first sealing piece 3 is a sealing gasket with certain flexibility, when the sealing device is used, the sealing of the joint can be realized along with locking the joint, and the possibility of damage of the joint due to stress concentration can be reduced.

Example 4

A washing machine as shown in fig. 4, comprising a tub wall 5, the inside of the tub wall 5 being in contact with wash water, a drain fitting as described in embodiment 1 being mounted to the tub wall 5, the drain fitting being passed through the tub wall 5 when in use, and then the fitting being fastened to the tub wall 5 by the fastening structure 7, sealing of the joint being achieved by the first seal 3 as the nut is tightened, and the possibility of damage to the joint due to stress concentration being reduced. Since the joint left inside the container wall is already very small and the edge of the protrusion 2 is rounded, no entanglement interference is generated to the laundry during the washing process. Through the connector, a water tap can be arranged at the water outlet end, and after washing is finished, the water tap can be opened to discharge washing water for secondary use.

In some embodiments, a filtering device matched with the internal thread can be further arranged at the water outlet end or the water inlet end according to the use environment.

In some embodiments, a third seal 6 is provided between the locking structure 7 and the tub wall 5 for further improving the tightness of the connection.

Example 5

The same points as those of embodiment 4 are not described in detail, except that,

adopt the drainage joint of embodiment 2, staving 5 with connect the junction area and thickened, staving 5 be equipped with bulge 2 complex step hole, the step hole include with bulge 2 conical surface complex taper hole, be equipped with second sealing member 4 in the step hole, second sealing member 4 is for the cover establish connect the sealing washer of water inlet end, along with tightening the nut locking connect can further promote connect with staving 5 junction's leakproofness. After the installation, the water inlet end of the connector is all sunk into the step hole, so that the connector can not influence the washing process during washing, and can not generate winding interference on clothes during washing.

Example 6

The same points as those of embodiment 5 are not described in detail, except that,

with the drain joint according to embodiment 3, the first sealing member 3 is pre-provided on the protruding portion 2, as shown in fig. 6, so that the sealing property of the joint at the junction with the tub wall 5 can be further improved.

Example 7

The same points as those of embodiment 5 are not described in detail, except that,

the joint is installed below the pulsator in the washing chamber 8, as shown in fig. 7 and 8, preferably without affecting the pulsator, and the shape of the casing of the washing machine is adapted to the joint so as to install a drain control device 9, such as a drain hose with a control valve, on the joint 1.

In some embodiments, the joint may be installed under the dewatering tub as needed, preferably without affecting the rotation of the dewatering tub, so as to secondarily utilize the generated washing water of the dewatering process as needed.

Example 8

The same points as those of embodiment 4 are not described in detail, except that,

the inner side of the tub wall 5 is provided with a plurality of protrusions 10 as shown in fig. 9, wherein one protrusion 10 at the bottom of the washing chamber 8 is provided with a through hole for installing the joint, and the through hole is a counter bore as shown in fig. 10.

A plurality of hemispherical bulges 10 are designed around the inner side of the barrel wall 5, so that disturbance of water flow and impact friction between clothes and the bulges 10 can be improved, further, washing effect of the clothes is improved, counter bores for installing connectors are designed on a proper bulge 10, after the connector is installed, water inlet ends of the connector can be all sunk into the counter bores, the connector is connected with the barrel wall 5 more firmly and stably, during washing, the influence on a washing process is avoided, and winding interference on the clothes is avoided during washing.

In summary, the bulge 2 is designed at the water inlet end of the drain pipe 1, the annular conical surface is designed on the bulge 2, and then the joint is locked and fixed on the barrel wall 5 through the locking structure 7 positioned at the outer side of the barrel wall 5, so that the inner side and the outer side of the joint connection part of the barrel wall 5 are sealed; then the sealing effect is gradually improved by arranging a first sealing element 3, a second sealing element 4 and a third sealing element 6; through local thickening bucket wall 5 to set up on bucket wall 5 with bulge 2 cooperation step hole, will the water inlet of joint is whole to be sunk into in the step hole, overcome current joint water inlet longer and in inside locking fixed, put the inside water inlet part of washing machine and can twine or produce the problem of interference with the dehydration bucket with washing clothing, neither influence normal washing process, can nimble reutilization washing water as required again, reach water saving's purpose.

The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. While the above is a preferred embodiment of the present utility model, it should be noted that there are objectively unlimited specific structures due to the limited text expressions, and that it is possible for a person skilled in the art to make several modifications or variations, and to combine the above technical features in a suitable manner, without departing from the principle of the utility model; such modifications and combinations, or the direct application of the concepts and aspects of the utility model to other applications without modification, are contemplated as falling within the scope of the utility model.

Claims (9)

1. The joint for draining water is characterized by comprising a drain pipe provided with a drain channel and a locking structure; the drain pipe is provided with a water inlet end and a water outlet end; the water inlet end is circumferentially provided with a protruding part, the protruding part is provided with an annular conical surface, and the opening of the conical surface gradually increases towards the water inlet end.

2. A joint for drainage according to claim 1, wherein the projection is provided with a recess for the provision of the first seal.

3. A joint for water drainage according to claim 2, wherein the water inlet end and/or the water outlet end is provided with an internal thread.

4. A joint for drain according to claim 3, wherein the locking structure comprises an external thread provided on the drain pipe and a nut engaged with the external thread.

5. A washing machine comprising a tub wall, wherein the tub wall is provided with a drain fitting according to any one of claims 1-4.

6. A washing machine as claimed in claim 5 wherein the area of connection of the tub wall to the fitting is locally thickened.

7. A washing machine as claimed in claim 6 wherein the tub wall is provided with a stepped hole which mates with the projection.

8. A washing machine as claimed in claim 7 wherein the stepped bore is provided with a second seal.

9. A washing machine as claimed in claim 5, wherein the inner side of the tub wall is provided with a protrusion provided with a through hole for mounting the joint.