CN107700609A - Connection assembly and washing machine containing the connection assembly - Google Patents

Abstract

The invention belongs to the technical field of pipeline connection, and particularly provides a connecting assembly and a washing machine comprising the same. The invention aims to solve the problems that the connection between a drain pipe and a sewer pipe of the existing washing machine is easy to loosen and slip and the odor in the sewer flows back. The washing machine comprises a drain pipe, wherein a connecting assembly comprises a connecting pipe, a rubber sealing ring and a deodorization cover, the water inlet end of the connecting pipe is connected with the drain pipe, the water outlet end of the connecting pipe is provided with a check valve, the water outlet end is fixedly connected with a sewer pipe through the rubber sealing ring, the drain pipe is sleeved in a mounting hole of the deodorization cover, and the outer edge of the lower end of the deodorization cover abuts against a mounting surface where the sewer pipe is located. Thereby prevent drain pipe and downcomer slippage, improve the reliability of drain pipe and downcomer connection, prevent sewage and foul smell among the sewer and flow back washing machine and user's family, promote washing machine's use and experience.

Description

Connection assembly and washing machine containing the connection assembly

technical field

The invention belongs to the technical field of pipe connection, and specifically provides a connection assembly and a washing machine including the connection assembly.

Background technique

The drain pipe of the washing machine is usually connected to the downpipe so that the washing water can be discharged into the sewer through the drain pipe. The drain pipes of most existing washing machines are directly connected to the downpipes in a docking manner, so the two are prone to loosening or even slipping during the drainage process, resulting in the sewage discharged from the washing machine not being discharged normally. into the sewer. Moreover, the odor or smelly water in the downpipe is easy to go back to the drainpipe through the drainpipe, and may even further enter the washing machine.

In view of this, a current improvement method is: a silicone plug is provided at the connection between the drain pipe of the washing machine and the downpipe to prevent loosening or even slippage between the drainpipe and the downpipe. However, because the user does not install the drain pipe in place or the washing machine is used for a long time, there will still be the problem that the drain pipe protrudes from the downpipe. In addition, the odor in the sewer is easy to go back to the user's home through the gap between the sewer pipe and the drain pipe, reducing the experience of using the washing machine.

Correspondingly, there is a need in the art for a new connection assembly between the drain pipe and the downpipe to solve the above problems.

Contents of the invention

In order to solve the above-mentioned problems in the prior art, that is, in order to solve the problems that the washing machine drain pipe and the downpipe are easy to slip and the odor backflow in the sewer, the present invention provides a connection assembly and a washing machine including the connection assembly. It includes a connecting pipe and a sealing member, the connecting pipe has a water outlet, and the water outlet is provided with a check valve that only allows liquid to flow out of the water outlet in one direction, and the water outlet is connected to the downpipe to be connected by a are connected to each other in a socketed manner, and in an assembled state, the sealing member is arranged between the water outlet end and the downpipe.

In the preferred technical solution of the above connection assembly, the water outlet end is a stepped pipe, the check valve is arranged on the first side of the stepped pipe, an annular protrusion is provided on the second side of the stepped pipe, and When the connecting pipe is connected to the downpipe, the downpipe abuts against the annular protrusion.

In the preferred technical solution of the above connection assembly, the stepped pipe includes a first pipe section and a second pipe section, a water inlet end is arranged in the first pipe section, and the annular protrusion is located on the first side of the first pipe section , the check valve is located on the side of the second pipe section away from the first pipe section, and in an assembled state, the water inlet end is connected to the drain pipe to be connected.

In a preferred technical solution of the above connection assembly, the size of the cross section of the first pipe section is greater than the size of the cross section of the second pipe section.

In the preferred technical solution of the above connection assembly, the water inlet end has an external thread section, and the drain pipe is provided with an internal thread section matching the external thread section; or the water inlet end is provided with a A radially outwardly protruding protruding section that is partially or completely inserted into the drainpipe, the outer diameter of the protruding section increases from the direction of the water inlet end toward the direction of the water outlet end.

In a preferred technical solution of the above connection assembly, the sealing member is a rubber sealing ring.

In a preferred technical solution of the connection assembly above, the connection assembly further includes an anti-odor cover, the anti-odor cover includes a cover body, an installation hole is formed on the cover body, and the drain pipe is sleeved in the installation hole.

In a preferred technical solution of the above connection assembly, the cover body has an opening, and in an assembled state, the outer edge of the opening abuts against the installation surface where the downpipe is located.

In a preferred technical solution of the above connection assembly, a cylindrical structure extends from the installation hole toward the opening, and the drain pipe is sleeved in the cylindrical structure.

In addition, the present invention also provides a washing machine, the washing machine includes a drainpipe, and the drainpipe is connected to the downpipe through the connection assembly, wherein the connection assembly is the preferred technical solution of the above connection assembly any one of the connection components.

Those skilled in the art can understand that, in the preferred technical solution of the present invention, a non-return valve that only allows liquid to flow out from the water outlet in one direction is provided at the water outlet of the connecting pipe to ensure that the washing water to be discharged is discharged in time. And it can effectively prevent the discharged washing water and the sewage and odor in the sewer from entering the washing machine. By arranging a sealing member at the water outlet end of the connecting pipe, the drain pipe can be reliably fixed to the downpipe, thereby effectively preventing the phenomenon of slippage between the drainpipe and the downpipe, and obviously also preventing the leakage caused by the drainpipe and the downpipe. Slipping causes the odor in the downpipe to escape from the connection between the downpipe and the connecting pipe to the user's home.

Specifically, the water outlet is a stepped pipe, and the stepped pipe includes a first pipe section and a second pipe section, and a water inlet end is arranged in the first pipe section. The water inlet end of the connecting pipe is connected with the drain pipe, and the first pipe section of the water outlet end is tightly connected with the downwater pipe through the sealing member, and the downwater pipe abuts against the annular protrusion at this moment. Through such arrangement, the phenomenon of slipping between the connecting pipe and the downpipe can be prevented, thereby avoiding the phenomenon that sewage cannot be discharged normally and flow into the user's home.

Further, the water inlet end of the connecting pipe is provided with an external thread section or a raised section, and the sealing member is a rubber sealing ring. The water inlet end is tightly connected with the drain pipe of the washing machine through the raised section or the external thread section, and the water outlet end is tightly inserted into the drain pipe through the rubber sealing ring. Such arrangement can effectively prevent slipping between the drain pipe and the connecting pipe, and between the connecting pipe and the downwater pipe, thus ensuring the connection reliability between the drain pipe and the downwater pipe.

In addition, the connection assembly also includes an anti-odor cover, the anti-odor cover includes a cover body, and an installation hole is formed on the cover body. In the assembled state, the drain pipe is sleeved in the installation hole, and the outer edge of the opening of the anti-odor cover abuts against the installation surface (such as the ground) where the downpipe is located. Through the setting of the anti-odor cover, the phenomenon that the odor in the downpipe is effectively prevented from being reversed to the user's home through the drainpipe and the downpipe.

Description of drawings

Describe preferred embodiment of the present invention below with reference to accompanying drawing and in conjunction with washing machine, in accompanying drawing:

Fig. 1 is the first exploded schematic diagram of the connection assembly of an embodiment of the present invention;

Fig. 2 is the assembly diagram of Fig. 1;

Fig. 3 is a structural schematic diagram of a connecting pipe of a connecting assembly according to an embodiment of the present invention;

Fig. 4 is the sectional view of connecting pipe among Fig. 3;

Fig. 5 is a structural representation of the deodorizing cover of the connection assembly of an embodiment of the present invention;

Fig. 6 is a second exploded schematic diagram of a connection assembly according to an embodiment of the present invention;

FIG. 7 is an assembly diagram of FIG. 6 .

List of reference signs:

1. Connecting pipe; 11. Water inlet; 111. Raised section; 12. Water outlet; 121. Check valve; 1211. Valve plate; 1212. Counterweight; 1213. Pivot shaft; 123, first pipe section; 1231, groove; 124, second pipe section; 125, pivot hole; 2, rubber sealing ring; 3, drainage pipe; 4, downpipe; 5, deodorant cover; 51, cover body; 510 , mounting hole; 511, cylindrical structure; 512, protrusion.

detailed description

Those skilled in the art should understand that the embodiments in this section are only used to explain the technical principle of the present invention, and are not used to limit the protection scope of the present invention. For example, although the embodiments of this section describe the connection assembly of the present invention in conjunction with a washing machine, the connection assembly of the present invention can also be applied to other equipment with similar drainage requirements, such as wash basins, kitchen sinks, etc., those skilled in the art It can be adjusted as required to suit the specific application. Obviously, the adjusted technical solution will still fall into the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. Terms indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

In addition, it should be noted that, in the description of the present invention, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a It is a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediary, and it may be the internal communication of two components. Those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

As shown in FIG. 1 and FIG. 2 , FIG. 1 is a first exploded view of a connection assembly according to an embodiment of the present invention, and FIG. 2 is an assembly schematic view of FIG. 1 . Referring to Fig. 1 and Fig. 2, the connecting assembly of the present invention mainly includes a connecting pipe 1 and a rubber sealing ring 2 as a sealing member, wherein the connecting pipe 1 has a water inlet end 11 and a water outlet end 12, and the water inlet end 11 of the connecting pipe 1 Tightly connected with the drain pipe 3 of the washing machine, the water outlet 12 is provided with a check valve 121 that only allows liquid to flow out from the water outlet 12 in one direction, and the water outlet 12 is tightly inserted into the downpipe 4 through the rubber sealing ring 2 .

By installing a check valve at the water outlet end of the connecting pipe that only allows the liquid to flow out from the water outlet in one direction, it is ensured that the washing water to be discharged inside the washing machine can be discharged in time through the drain pipe and the connection assembly, and the discharged washing water can be effectively prevented. And the sewage and the odor in the sewer are back into the inside of the washing machine. By configuring the rubber sealing ring at the water outlet end of the connecting pipe, the drain pipe can be reliably fastened to the downpipe through the cooperation between the connecting pipe and the rubber sealing ring, thus effectively preventing the slippage between the drainpipe and the downpipe .

Those skilled in the art can understand that the rubber sealing ring 2 in this embodiment can be replaced by other sealing members with equivalent functions, for example, a sealing tape.

As shown in FIG. 3 , FIG. 3 is a schematic structural diagram of a connecting pipe of a connecting assembly according to an embodiment of the present invention. Referring to Fig. 3 and according to the orientation in Fig. 3, the water outlet end of the connecting pipe 1 is a stepped pipe, an annular protrusion 122 is arranged on the upper end of the stepped pipe, and the check valve 121 is located at the lower end of the stepped pipe. In the assembled state, the downpipe 4 is in close contact with the underside of the annular protrusion 122 . Specifically, when the connecting pipe 1 is fastened to the downwater pipe 4 through the rubber sealing ring 2 , the downwater pipe 4 is in close contact with the lower surface of the annular protrusion 122 . Such an arrangement effectively prevents washing water from overflowing from the gap between the connection assembly and the downpipe, thereby improving the performance of the connection assembly, that is, improving the connection reliability between the connection pipe and the downwater pipe.

Continuing to refer to FIG. 3 , the stepped pipe includes a first pipe section 123 and a second pipe section 124 . The water inlet 11 is located in the first pipe section 123 , the annular protrusion 122 is located at the upper end of the first pipe section 123 , and the check valve 121 is located at the lower end of the second pipe section 124 . The size of the cross section of the first pipe section 123 is greater than the size of the cross section of the second pipe section 124 . Through such a setting, on the one hand, it can ensure that the check valve is not disturbed by the pipe wall during the working process, and on the other hand, it can save production materials.

Continuing to refer to FIG. 3 , a groove 1231 is disposed on the outer periphery of the first pipe section 123 . The connecting pipe 1 is tightly connected with the downwater pipe 4 through the cooperation of the rubber sealing ring 2 and the groove 1231, which ensures the connection reliability between the connecting pipe and the downwater pipe.

It should be noted that the first pipe section can also omit the setting of the groove, because the rubber sealing ring is an elastic sealing ring, when the connecting pipe is connected to the downpipe through the rubber sealing ring, the elasticity of the rubber sealing ring itself can also be used. To ensure the clamping and sealing effect between the connecting pipe and the downpipe.

As shown in FIG. 4 , FIG. 4 is a cross-sectional view of the connecting pipe in FIG. 3 . Referring to FIG. 4 and according to the orientation in FIG. 4 , the water inlet 11 is provided with a radially outward raised section 111 , and the outer diameter of the raised section 111 gradually increases from the direction of the water inlet 11 to the direction of the water outlet 12 . Specifically, the protruding section 111 is a helical reverse protruding, and the outer diameter of the reverse protruding gradually increases from left to right, so as to make the fit between the drain pipe and the water inlet pipe lower and tighter, thus ensuring The drain pipe 3 and the connecting pipe 1 are tightened more tightly after being matched and connected, which effectively prevents the phenomenon of slipping between the drain pipe 3 and the connecting pipe 1 after the assembly is completed. As another preferred embodiment, the connection between the water inlet 11 and the drain pipe can also be: an external thread section is provided on the water inlet 11 of the connecting pipe, and the inner wall of the drain pipe 3 is provided with a The threaded section matches the internal threaded section, and the drain pipe is fixedly connected with the connecting pipe through the cooperation of the (internal and external) threaded sections.

In addition, those skilled in the art can understand that, in addition to the above two specific connection methods that can prevent the direct slipping of the drain pipe and the connecting pipe, barbs can also be provided on the outer periphery of the water inlet end, or inserted into the drain pipe. After being connected to the connecting pipe, a snap ring is arranged on the outer periphery of the joint section of the two to fasten the drain pipe and the connecting pipe together.

Referring to Fig. 3 again, in a possible implementation manner, the structure of the check valve can be as follows: a pivot hole 125 is provided at the water outlet end 12 of the connecting pipe 1, and the check valve 121 includes a valve plate 1211, which is heavier than the valve plate The counterweight 1212 of 1211 and the pivot shaft 1213 pivotally connected with the pivot hole 125 . When the washing machine drains water, the valve plate 1211 is normally opened under the weight and momentum of the water to discharge the washing water; Press back and cling to the outer edge of the water outlet, that is, to block the water outlet. Since the cross-sectional size of the second pipe section where the check valve is installed is relatively small, the valve plate 1211 can pivot freely without being disturbed by the pipe wall during the working process, and then it can be reliably opened during the drainage process and the water will be discharged after the drainage is completed. Port blocked.

It can be seen that by setting the check valve at the water outlet, the washing water to be discharged is ensured to be discharged in time, and the discharged washing water and sewage and odor in the sewer can be effectively prevented from entering the washing machine through the drain pipe.

Those skilled in the art can understand that the structure of the above-mentioned check valve 121 is only a specific implementation mode, and any other feasible one-way and check valve structure with equivalent functions can replace the above-mentioned structure as the check valve of the present invention. reverse valve. For example, a magnetic reset check valve is installed at the water outlet port, and the same-sex magnetic poles between the magnetic blocks are repelled, and the opposite-sex magnetic poles are attracted to each other to close the valve plate flushed by the sewage, and close to and block the water outlet port.

As shown in Fig. 5, Fig. 6 and Fig. 7, Fig. 5 is a schematic structural view of the odor-proof cover of the connection assembly according to an embodiment of the present invention, and Fig. 6 is a schematic diagram of the second explosion of the connection assembly according to one embodiment of the present invention, Fig. 7 is a schematic assembly diagram of FIG. 6 . Referring to Fig. 5, Fig. 6 and Fig. 7 and according to the orientation shown in Fig. 6, the connection assembly also includes an anti-odor cover 5, the anti-odor cover 5 includes a cover body 51, a mounting hole 510 is formed in the middle of the cover body 51, and three sets of drain pipes Set in the installation hole 510 . The lower side of the cover body 51 has an opening, and in an assembled state, the outer edge of the opening of the cover body 51 abuts against the installation surface (such as the ground) where the downpipe 4 is located.

By setting the anti-odor cover, it can effectively prevent the smelly liquid and odor in the sewer from going back to the user's home from the gap between the connection assembly and the connection assembly and the sewer pipe, and can well protect the entire connection assembly from being directly Damaged by being kicked or touched.

Continuing to refer to FIG. 5 , as a preference, the installation hole 510 of the deodorizing cover 5 is in the direction of the installation surface where the downpipe 4 is located, that is, a cylindrical structure 511 extends downward to facilitate the connection between the deodorizing cover 5 and the drain pipe 3 . room installation. However, it should be noted that the axial length of the cylindrical structure 511 needs to be controlled. For example, in the assembled state, there should be a certain gap between the cylindrical structure 511 and the annular protrusion, so as to prevent the deodorant cover from being damaged due to excessive positioning. As a result, the connection reliability of the entire connection assembly is affected.

Further preferably, in order to improve the connection reliability between the deodorizing cover 5 and the drain pipe 3, the cylindrical structure 511 of the deodorizing cover 5 and the drain pipe 3 can be made to be an interference fit, or the inner wall of the cylindrical structure 511 can be radially A protrusion 512 extends inward, and the anti-odor cover 5 is stuck on the drain pipe 3 by using the protrusion 512 .

In addition, although the outer edge of the opening of the deodorizing cover 5 abuts against the installation surface where the downpipe 4 is located, there will inevitably be a certain gap between the outer edge of the opening and the installation surface due to unevenness of the installation surface. In view of this, a ring-shaped structure of elastic material, such as a sealing ring or a sealing tape, can be provided on the outer edge of the opening, so that in the assembled state, the outer edge of the opening can be closely attached to the upper surface of the installation surface. surface, thereby further preventing the odor in the sewer from backtracking into the user's home from the connection assembly and the gap between the connection assembly and the sewer pipe.

It can be seen from the above description that the connecting assembly of the present invention includes a connecting pipe, a rubber sealing ring and an odor-proof cover. The connecting assembly is connected to the drain pipe of the washing machine through the water inlet end of the connecting pipe, and the water outlet end of the connecting pipe is fastened by a rubber sealing ring. On the downpipe, and the water outlet is provided with a check valve, and the drainpipe is set in the anti-odor cover. By installing a non-return valve at the water outlet, it is ensured that the washing water to be discharged is discharged in time and can effectively prevent the discharged washing water, sewage and odor in the sewer from entering the washing machine; Sealing ring, so that the drain pipe can be reliably fastened to the downpipe through the cooperation between the connecting pipe and the rubber sealing ring, thereby effectively preventing the phenomenon of slipping between the drainpipe and the downpipe; by setting the anti-odor cover, it can effectively It prevents the odor in the sewer from going back to the user's home from the connection component and the gap between the connection component and the sewer pipe, and at the same time, it can well protect the entire connection component from being directly kicked or touched to cause damage.

So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings, but those skilled in the art will easily understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principles of the present invention, those skilled in the art can make equivalent changes or substitutions to relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the present invention.

Claims (10)

1. a kind of connection component, it is characterised in that the connection component includes connecting tube and containment member, and the connecting tube has Water side,

The water side is provided with the check (non-return) valve for only allowing liquid unidirectionally to be flowed out from the water side,

It is connected between the water side and downcomer to be connected in a manner of being socketed each other, and

In assembled state, the containment member is arranged between the water side and the downcomer.

2. connection component according to claim 1, it is characterised in that the water side is step pipe, and the check (non-return) valve is set The first side of the step pipe is placed in, the second side of the step pipe is provided with annular protrusion, and

In the case of the connecting tube is connected into the downcomer, the downcomer is against to the annular protrusion.

3. connection component according to claim 2, it is characterised in that the step pipe includes the first pipeline section and the second pipe Section, water inlet end is provided with first pipeline section, the annular protrusion is located at the first side of first pipeline section, the check (non-return) valve Positioned at side of second pipeline section away from first pipeline section, and

In assembled state, the water inlet end is connected with drainpipe to be connected.

4. connection component according to claim 3, it is characterised in that the size of the cross section of first pipeline section is more than institute State the size of the cross section of the second pipeline section.

5. connection component according to claim 3, it is characterised in that there is external thread section, the row on the water inlet end The internal thread segment matched with the external thread section is provided with water pipe；Or

Being provided with the water inlet end allows some or all of raised section being inserted in the drainpipe, projecting radially outward, The external diameter of the raised section increases from the direction of the water inlet end towards the direction of the water side.

6. connection component according to claim 2, it is characterised in that the containment member is rubber seal.

7. connection component according to any one of claim 1 to 6, it is characterised in that the connection component also includes anti- Smelly lid, the deodorant cover include lid, are sheathed on the lid formed with mounting hole, the drainpipe in the mounting hole.

8. connection component according to claim 7, it is characterised in that the lid has opening, and

In assembled state, the mounting surface residing for the outer rim of the opening against the extremely downcomer.

9. connection component according to claim 8, it is characterised in that the mounting hole extends towards the direction of the opening There is tubular structure, the drainpipe is sheathed in the tubular structure.

10. a kind of washing machine, including drainpipe, it is characterised in that the drainpipe passes through the connection component and the lower water Pipe is connected,

Wherein, the connection component is the connection component any one of claim 1 to 9.