CN210529298U - Rotary joint and washing machine - Google Patents

Abstract

The utility model provides a rotary joint and washing machine, rotary joint includes: the rotation piece is equipped with first passageway, and the support is equipped with the second passageway, rotates one of the two of piece and support and is equipped with the jack, and another is equipped with grafting portion, and grafting portion inserts in the jack and rotates with the jack and be connected for rotating the piece and can rotating for the support, and make first passageway and second passageway intercommunication, sealing member, the gap between sealed grafting portion and the jack. The rotary joint that this scheme provided, grafting portion and jack are connected with the form realization rotation of pegging graft, and the equipment of the product of being convenient for rotates the piece around the support rotation for first passageway rotates for the second passageway, thereby realizes pivoted water supply or pivoted play water, is equipped with between grafting portion and the jack to be used for sealed sealing member, and effectual preventing leaks, improves reliability, the security of product.

Description

Rotary joint and washing machine

Technical Field

The utility model relates to a rotary joint field particularly, relates to a rotary joint and a washing machine.

Background

At present, water inlet and outlet of the washing machine on the market are fixed, but along with social development and increasingly improved consumption requirements of people, the functions of the washing machine are more and more, water paths connected with the washing machine are more and more, the positions of water inlet and water outlet are different, some water paths need to rotate, water pipes are simply utilized for connection, and the service life of the water pipes is greatly shortened by rotating and bending for a long time.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above technical problems, an object of the present invention is to provide a rotary joint.

Another object of the present invention is to provide a washing machine.

To achieve the above object, an embodiment of the first aspect of the present invention provides a rotary joint for a washing machine, including: a rotating member provided with a first passage; the rotating piece is connected with the second channel through the inserting part, and the rotating piece can rotate relative to the bracket; and the sealing element seals a gap between the plug part and the jack.

The rotary joint provided by the above embodiment of the present invention, wherein the inserting portion is inserted into the insertion hole and rotatably connected to the insertion hole, so that the rotating member can rotate relative to the bracket, and the first passage is communicated with the second passage, firstly, the inserting portion is rotatably connected to the insertion hole in an inserting manner, thereby facilitating the assembly of the product, and the inserting portion is inserted into the insertion hole, thereby providing a larger contact area between the inserting portion and the insertion hole, further making the connection between the inserting portion and the insertion hole more stable, effectively preventing the inserting portion from loosening from the insertion hole, and improving the reliability of the connection between the inserting portion and the insertion hole, secondly, the rotating member rotates around the bracket, so that the first passage rotates relative to the second passage, thereby realizing the rotating water supply or the rotating water discharge, compared with the existing structure that the hose is used for realizing the rotating water supply or the rotating water discharge, the rotating connection between the rotating member and the bracket is more reliable, the movement track of rotating the piece is stable to the movement track of rivers is also stable, then, is equipped with between grafting portion and the jack and is used for sealed sealing member, and effectual the preventing leaks, improves reliability, the security of product.

In addition, the utility model provides a rotary joint in above-mentioned embodiment can also have following additional technical characterstic:

in the above technical solution, the first channel includes a first section and a second section, the first section and the second section form a turning transition, the second section is formed in the insertion part and communicated with the second channel, and the first section is communicated with the second section and rotates around the second section.

In this scheme, first section and second section form the transition of turning, can understand that first section and second section have certain inclination, first section and second section intercommunication, second section and second passageway intercommunication, first section and second section intercommunication duplex winding second section rotation to the water route that first passageway and second passageway formed can realize reciprocating rotation, realizes pivoted rivers and carries.

In the above technical scheme, one of the insertion part and the insertion hole is provided with a groove, the other one is provided with a fixture block, the groove extends along the peripheral direction of the insertion part, the fixture block extends into the groove, and the insertion part rotates in the insertion hole to enable the fixture block to slide along the groove.

In this scheme, the recess extends along the peripheral direction of grafting portion, can understand, grafting portion inserts the jack and rotates along the periphery wall of jack, the extending direction of recess is the same with the rotation direction of grafting portion, the fixture block slides along the recess, when the recess forms the injecture to the direction of motion of fixture block, the recess forms the slip of fixture block and dodges, the gliding degree of freedom of fixture block is provided, make to rotate the piece and can rotate for the support, and effectively avoid rotating the risk that piece and support break away from, thereby ensure the reliability of being connected of piece and support in the rotation process, make the motion trail of rivers more stable.

In the above technical solution, the groove has a first sidewall and a second sidewall, the first sidewall is opposite to the second sidewall, and the clamping block extends between the first sidewall and the second sidewall, wherein the first sidewall is adapted to abut against the clamping block to limit the insertion part from axially coming out of the insertion hole, and the second sidewall is adapted to abut against the clamping block to limit the insertion part from axially continuing to extend into the insertion hole.

In this scheme, the fixture block extends between first lateral wall and the second lateral wall, first lateral wall and second lateral wall have certain activity with the fixture block, avoid fixture block and recess to take place the jamming, ensure that the fixture block can follow the recess and slide, improve pivoted flexibility ratio, first lateral wall and second lateral wall are spacing to the fixture block formation axial, the effectual risk of avoiding splicing part and jack to break away from in the pivoted in-process, improve splicing part and jack connection's reliability, and then improve the reliability of being connected of rotating piece and support, avoid splicing part too stretch into the jack and lead to blockking between first passageway and the second passageway simultaneously, increase the resistance of rivers, ensure the circulation of rivers.

In the above technical scheme, the groove is formed in a ring shape along the peripheral direction of the insertion part.

In this scheme, the recess constructs into the annular along the peripheral direction of grafting portion, and the fixture block can follow the recess and slide 360 degrees, and then makes to rotate and can realize 360 degrees rotations between piece and the support to the realization utilizes 360 degrees play water or 360 degrees water supplies of rotary joint, has increased the turned angle who rotates the piece, improves and rotates the flexibility.

In any one of the above technical solutions, the outer wall surface of the insertion portion is configured with a first inclined surface, the inner wall surface of the insertion hole is configured with a second inclined surface, and the first inclined surface is opposite to and in contact with the second inclined surface.

In this scheme, at the rotation in-process, first inclined plane and the contact of second inclined plane to form spacingly to grafting portion and jack, stop grafting portion and continue to stretch into the jack, make grafting portion and jack obtain adjusting well, and then make the connection of sealing member more firm, avoid the not hard up inefficacy of sealing member.

In any one of the above technical solutions, the sealing member is disposed between an outer wall surface of the insertion portion and an inner wall surface of the insertion hole, one of the insertion portion and the insertion hole is connected to the sealing member, and the other is in contact with and in sliding fit with the sealing member.

In this scheme, the sealing member is when realizing sealed function, and one in grafting portion and the jack is connected with the sealing member, and another contacts and sliding fit with the sealing member, when guaranteeing to rotate and can rotate around the support, improves the leakproofness of sealing member.

In any of the above technical solutions, one of the insertion part and the insertion hole for connecting with the sealing member is provided with a fixing groove, and a part of the sealing member is accommodated in the fixing groove.

In this scheme, partly holding of sealing member is in the fixed slot, and the fixed slot forms spacing fixed effect to the sealing member, and the effectual sealing member of avoiding shifts, breaks away from at the pivoted in-process, leads to leaking, improves the sealing reliability of sealing member.

In any one of the above technical solutions, the support is provided with a plurality of the insertion holes, the support is provided with a plurality of the second channels, the plurality of the second channels correspond to the plurality of the insertion holes, each insertion hole is communicated with the corresponding second channel to form turning transition, each insertion hole is provided with a socket for inserting the insertion portion, and an included angle is formed between the orientations of the sockets.

In the scheme, a plurality of second channels correspond to a plurality of jacks, the inserting part of each rotating part is inserted into the corresponding jack, so that each first channel and the corresponding second channel form a water channel, the water channels are not communicated and interfered with each other, each jack is communicated with the corresponding second channel to form turning transition, like this, form the dislocation between second passageway and every jack, make the second passageway can dodge the movement track who rotates the piece, the effectual rotation that avoids the second passageway to hinder rotation piece, thereby realize that a support connects a plurality of rotation pieces simultaneously and forms a plurality of water channel, do not communicate and can rotate respectively between every water channel, the axial along the jack can be understood to the orientation of socket, the jack is from inside to outside direction, form between the orientation of each socket and be greater than 0 degree and be less than 360 degrees contained angles, avoid each socket coincidence.

Preferably, the sockets are oriented at an angle of 180 degrees.

An embodiment of the second aspect of the present invention provides a washing machine, including: a rotary joint according to any preceding claim.

The utility model discloses above-mentioned embodiment provides a washing machine, through being provided with among the above-mentioned arbitrary technical scheme rotary joint to have above all beneficial effect, no longer give unnecessary details here.

In the above technical solution, the washing machine further includes: a rotary unit connected to the rotary joint, the rotary unit adapted to drive the rotary member of the rotary joint to rotate.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, 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 front view of a rotary joint according to an embodiment of the present invention;

fig. 2 is a left side view schematic diagram of a rotary joint according to an embodiment of the present invention;

FIG. 3 is a schematic sectional view taken along line A-A in FIG. 2;

fig. 4 is an enlarged schematic structural view of a portion B shown in fig. 3.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 4 is:

100 of the rotary joint, and the rotary joint,

110 a rotation piece, 111 a first channel, 1111 a first section, 1112 a second section, 112 a plug part, 1121 a groove, 11211 a first side wall, 11212 a second side wall, 1122 a first inclined surface, 1123 a fixing groove,

120 bracket, 121 second channel, 122 socket, 1221 latch, 1222 second angled face, 1223 socket,

130, and a seal.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The rotary joint 100 and the washing machine according to some embodiments of the present invention will be described with reference to fig. 1 to 4.

As shown in fig. 1 and 4, an embodiment of the first aspect of the present invention provides a rotary joint 100 for a washing machine, including a rotation member 110, a bracket 120, and a sealing member 130.

Specifically, the rotating member 110 is provided with a first channel 111, the bracket 120 is provided with a second channel 121, one of the rotating member 110 and the bracket 120 is provided with an insertion hole 122, and the other is provided with an insertion part 112, the insertion part 112 is inserted into the insertion hole 122 and is rotatably connected with the insertion hole 122, so that the rotating member 110 can rotate relative to the bracket 120, and the first channel 111 is communicated with the second channel 121; the sealing member 130 seals a gap between the socket 112 and the insertion hole 122.

In the rotary joint 100 according to the above embodiment of the present invention, the inserting portion 112 is inserted into the insertion hole 122 and rotatably connected to the insertion hole 122, so that the rotating member 110 can rotate relative to the bracket 120, and the first channel 111 is communicated with the second channel 121, first, the inserting portion 112 and the insertion hole 122 are rotatably connected in an inserting manner, which is convenient for assembling the product, and the inserting portion 112 is inserted into the insertion hole 122, so that a larger contact area is formed between the inserting portion 112 and the insertion hole 122, and further, the connection between the inserting portion 112 and the insertion hole 122 is more stable, which effectively prevents the inserting portion 112 and the insertion hole 122 from being loosened, and improves the reliability of connection between the inserting portion 112 and the insertion hole 122, second, the rotating member 110 rotates around the bracket 120, so that the first channel 111 rotates relative to the second channel 121, so as to achieve rotational water supply or rotational water discharge, compared to the existing structure that uses a hose to achieve rotational water supply or rotational water discharge, the rotating connection between the rotating part 110 and the support 120 is more reliable, the movement track of the rotating part 110 is stable, and therefore the movement track of water flow is also stable, and then the sealing part 130 for sealing is arranged between the inserting part 112 and the inserting hole 122, so that water leakage is effectively prevented, and the reliability and the safety of products are improved.

In an embodiment of the present invention, as shown in fig. 3, the first channel 111 includes a first section 1111 and a second section 1112, the first section 1111 and the second section 1112 form a turning transition, the second section 1112 is formed in the insertion portion 112 and is communicated with the second channel 121, the first section 1111 is communicated with the second section 1112 and rotates around the second section 1112.

For example, as shown in fig. 2 and 3, the rotating member 110 includes a first pipe and a second pipe turning and transiting with the first pipe, the first pipe is communicated with the second pipe and forms a first passage 111, wherein one end of the first pipe has an outlet, the outlet of the first pipe is used for connecting with an outlet pipe (or an inlet pipe), a part of the second pipe forms an insertion part 112, the bracket 120 includes a third pipe and a fourth pipe turning and transiting with the third pipe, the third pipe is communicated with the fourth pipe and forms a second passage 121, wherein one end of the fourth pipe has an outlet, the outlet of the fourth pipe is used for connecting with an inlet pipe (outlet pipe), a part of the third pipe forms an insertion hole 122, the insertion part 112 is inserted into the insertion hole 122 so that the first passage 111 of the rotating member 110 and the second passage 121 of the bracket 120 form a turning and transiting, the rotating member 110 rotates around the axis of the insertion hole 122 with the distance between the outlet and the insertion hole 122 as a rotation radius, thereby realizing the rotary water outlet (rotary water supply).

In this scheme, first section 1111 and second section 1112 form the turn transition, can understand that first section 1111 has certain inclination with second section 1112, and first section 1111 communicates with second section 1112, and second section 1112 communicates with second passageway 121, and first section 1111 communicates with second section 1112 and revolve around second section 1112 to the water route that first passageway 111 and second passageway 121 formed can realize reciprocating rotation, realizes that the pivoted rivers carry.

In an embodiment of the present invention, as shown in fig. 3 and fig. 4, one of the insertion portion 112 and the insertion hole 122 is provided with a groove 1121, the other one is provided with a fixture block 1221, the groove 1121 extends along the peripheral direction of the insertion portion 112, the fixture block 1221 extends into the groove 1121, and the insertion portion 112 rotates in the insertion hole 122 so that the fixture block 1221 slides along the groove 1121. It can be understood that, the insertion part 112 is inserted into the insertion hole 122 and rotates along the peripheral wall of the insertion hole 122, the extending direction of the groove 1121 is the same as the rotating direction of the insertion part 112, the fixture block 1221 slides along the groove 1121, while the groove 1121 limits the moving direction of the fixture block 1221, the groove 1121 avoids the sliding of the fixture block 1221, and the degree of freedom of the sliding of the fixture block 1221 is provided, so that the rotating member 110 can rotate relative to the bracket 120, and the risk that the rotating member 110 is separated from the bracket 120 is effectively avoided, thereby ensuring the connection reliability of the rotating member 110 and the bracket 120 in the rotating process, and making the moving track of the water flow more stable.

Further, the designer in the art may also set a ball between the plug 112 and the insertion hole 122 according to specific requirements, and reduce the friction between the plug 112 and the insertion hole 122 by using the ball, so as to make the rotation flexibility between the rotation member 110 and the bracket 120.

In an embodiment of the present invention, as shown in fig. 3 and 4, the groove 1121 has a first sidewall 11211 and a second sidewall 11212, the first sidewall 11211 is opposite to the second sidewall 11212, and the fixture block 1221 extends between the first sidewall 11211 and the second sidewall 11212, wherein the first sidewall 11211 is adapted to abut against the fixture block 1221 to limit the insertion portion 112 from axially protruding from the insertion hole 122, and the second sidewall 11212 is adapted to abut against the fixture block 1221 to limit the insertion portion 112 from axially extending into the insertion hole 122. The fixture block 1221 extends between the first side wall 11211 and the second side wall 11212, the first side wall 11211, the second side wall 11212 and the fixture block 1221 have a certain amount of movement, so as to prevent the fixture block 1221 from being stuck in the groove 1121, ensure that the fixture block 1221 can slide along the groove 1121, improve the flexibility of rotation, form an axial limit on the fixture block 1221 by the first side wall 11211 and the second side wall 11212, effectively avoid the risk that the insertion portion 112 is separated from the insertion hole 122 in the rotation process, improve the reliability of connection between the insertion portion 112 and the insertion hole 122, further improve the reliability of connection between the rotating member 110 and the bracket 120, and simultaneously prevent the insertion portion 112 from excessively extending into the insertion hole 122 to cause blockage between the first channel 111 and the second channel 121, reduce the resistance of water flow, and ensure the flow continuity of water flow.

In an embodiment of the present invention, as shown in fig. 3 and 4, the groove 1121 is configured in a ring shape along the peripheral direction of the insertion part 112. The fixture block 1221 can slide 360 degrees along the groove 1121, so that the rotation of 360 degrees between the rotation member 110 and the bracket 120 can be realized, and thus the rotation joint 100 can output water of 360 degrees or supply water of 360 degrees, the rotation angle of the rotation member 110 is increased, and the rotation flexibility is improved.

Further, the fixture block 1221 is configured to be annular along the peripheral direction of the insertion part 112, when the fixture block 1221 can slide along the groove 1121 and the fixture block 1221 contacts the groove 1121, the contact area is larger, and the limiting effect formed by the fixture block 1221 matching with the groove 1121 is better.

In an embodiment of the present invention, as shown in fig. 3 and 4, a first inclined surface 1122 is formed on an outer wall surface of the insertion portion 112, a second inclined surface 1222 is formed on an inner wall surface of the insertion hole 122, and the first inclined surface 1122 is opposite to and in contact with the second inclined surface 1222. In the rotating process, the first inclined surface 1122 contacts the second inclined surface 1222, so that the plugging portion 112 and the insertion hole 122 are limited, the plugging portion 112 is prevented from continuously extending into the insertion hole 122, the plugging portion 112 and the insertion hole 122 are aligned, the connection of the sealing element 130 is more stable, and the sealing element 130 is prevented from being loosened and losing efficacy.

In an embodiment of the present invention, as shown in fig. 3 and 4, the sealing member 130 is disposed between the outer wall surface of the insertion portion 112 and the inner wall surface of the insertion hole 122, one of the insertion portion 112 and the insertion hole 122 is connected to the sealing member 130, and the other is in contact with and in sliding fit with the sealing member 130. While the sealing element 130 performs a sealing function, one of the insertion part 112 and the insertion hole 122 is connected to the sealing element 130, and the other is in contact with and in sliding fit with the sealing element 130, so that the sealing performance of the sealing element 130 is improved while the rotating element 110 can rotate around the bracket 120.

Further, as shown in fig. 3 and 4, one of the insertion part 112 and the insertion hole 122 for connection with the sealing member 130 is provided with a fixing groove 1123, and a portion of the sealing member 130 is received in the fixing groove 1123. The fixing groove 1123 has a limiting and fixing effect on the sealing element 130, so that water leakage caused by displacement and separation of the sealing element 130 in the rotating process is effectively avoided, and the sealing reliability of the sealing element 130 is improved.

In an embodiment of the present invention, as shown in fig. 3 and 4, the bracket 120 is provided with a plurality of the insertion holes 122, and the bracket 120 is provided with a plurality of the second channels 121, a plurality of the second channels 121 correspond to a plurality of the insertion holes 122, each of the insertion holes 122 communicates with the corresponding second channel 121 to form a turning transition, wherein each of the insertion holes 122 has a socket 1223 for inserting the insertion portion 112, and an included angle is formed between orientations of the sockets 1223.

In this embodiment, the plurality of second channels 121 correspond to the plurality of insertion holes 122, the insertion portion 112 of each rotating member 110 is inserted into the corresponding insertion hole 122, so that each first channel 111 and the corresponding second channel 121 form a waterway channel, each waterway channel is not in communication interference with each other, each insertion hole 122 and the corresponding second channel 121 communicate with each other and form a turning transition, thus, the second channel 121 and each insertion hole 122 are misaligned, so that the second channel 121 can avoid the movement track of the rotating member 110, the second channel 121 effectively prevents the second channel 121 from interfering with the rotation of the rotating member 110, one bracket 120 simultaneously connects the plurality of rotating members 110 to form a plurality of waterway channels, each waterway channel is not in communication and can rotate respectively, the orientation of the socket 1223 can be understood as the direction from inside to outside along the axial direction of the insertion hole 122 (as the direction x1 shown in fig. 3, Direction x2) with each socket 1223 oriented at an included angle of greater than 0 degrees and less than 360 degrees.

Preferably, as shown in FIG. 3, the sockets 1223 are oriented at an angle of 180 degrees.

Of course, those skilled in the art can design the rotary joint 100 to have a plurality of rotating members 110, the bracket 120 has a plurality of insertion holes 122, each insertion hole 122 is communicated with the second channel 121, each rotating member 110 is rotatably connected to the bracket 120, and the first channel 111 of each rotating member 110 is communicated with the second channel 121 of the bracket 120, so as to realize that the plurality of first channels 111 are communicated with one second channel 121 at the same time.

Alternatively, one skilled in the art may design the rotary joint 100 to have a rotating member 110, the bracket 120 has a plurality of second channels 121, and one insertion hole 122 is simultaneously communicated with the plurality of second channels 121, the rotating member 110 is rotatably connected to the bracket 120, and the first channel 111 of the rotating member 110 is communicated with each of the second channels 121 of the bracket 120, so as to realize that one first channel 111 is simultaneously communicated with the plurality of second channels 121.

In one embodiment of the present invention, as shown in fig. 1 to 4, a rotary waterway includes a rotating member 110, a bracket 120 and a sealing member 130.

Specifically, the rotary joint is an L-shaped bent pipe, one end of the bent pipe is connected with water, a bent first channel 111 is arranged in the bent pipe, the bracket 120 is provided with a second channel 121, part of the rotary part 110 forms the insertion part 112 to be inserted into the insertion hole 122 of the bracket 120, so that the first channel 111 is communicated with the second channel 121, the rotary part 110 can rotate around the bracket 120, the outer wall of the insertion part 112 is provided with a fixing groove 1123, the sealing ring part extends into the fixing groove 1123 and is in interference fit with the insertion part 112, the sealing ring abuts against the inner peripheral wall of the insertion hole 122 and is in interference fit with the inner peripheral wall of the insertion hole 122, connection between the rotary part 110 and the bracket 120 is realized, when water flows through the rotary joint, due to elastic deformation of the sealing ring, sealing of the whole device is.

The outer peripheral wall of the insertion portion 112 is provided with an annular groove 1121, the inner peripheral wall of the insertion hole 122 is provided with a fixture block 1221 matched with the groove 1121, the fixture block 1221 extends into the groove 1121 and slides along the groove 1121, and the fixture block 1221 is matched with the groove 1121 to limit the rotation member 110.

An embodiment of the second aspect of the present invention provides a washing machine, including: a rotary union 100 as described in any of the embodiments above.

The utility model discloses washing machine that above-mentioned embodiment provided is through being provided with rotary joint 100 among the above-mentioned arbitrary technical scheme to have above all beneficial effects, no longer describe here.

Further, the washing machine further includes a rotation unit connected with the rotary joint 100, the rotation unit being adapted to drive the rotation member 110 of the rotary joint to rotate.

For example, the rotating unit is a rotating shaft (more specifically, a motor shaft, for example) provided at a water inlet of the washing machine, the rotating member 110 is provided with a connecting hole, the rotating unit is connected to the connecting hole, and the rotating unit rotates to drive the rotating member 110 to rotate around the bracket 120, thereby realizing the rotary water supply of the washing machine.

The utility model provides an above-mentioned embodiment provides a rotary joint and washing machine, grafting portion inserts in the jack and is connected with the jack rotation, thereby make to rotate the piece and can rotate for the support, and make first passageway and second passageway intercommunication, firstly, grafting portion realizes with the form of pegging graft with the jack and rotates to be connected, be convenient for the equipment of product, secondly, it rotates around the support to rotate the piece, make first passageway rotate for the second passageway, thereby realize pivoted water supply or pivoted play water, compare in the current structure that uses the hose to realize pivoted water supply or pivoted play water, this scheme rotates the rotation between piece and the support and is connected more reliably, the movement track of rotating the piece is stable, thereby the movement track of rivers is also stable, then, be equipped with between grafting portion and the jack and be used for sealed sealing member, effectually prevent to leak, improve the reliability of product, the, And (4) safety.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A rotary joint for a washing machine, comprising:

a rotating member (110) provided with a first passage (111);

a bracket (120) provided with a second channel (121), wherein one of the rotating member (110) and the bracket (120) is provided with a jack (122), and the other one is provided with a plug-in part (112), the plug-in part (112) is inserted into the jack (122) and is rotationally connected with the jack (122), so that the rotating member (110) can rotate relative to the bracket (120), and the first channel (111) is communicated with the second channel (121);

a sealing member (130) sealing a gap between the insertion part (112) and the insertion hole (122).

2. The swivel joint of claim 1,

the first channel (111) includes a first segment (1111) and a second segment (1112), the first segment (1111) forms a turning transition with the second segment (1112), the second segment (1112) is formed within the socket (112) and communicates with the second channel (121), the first segment (1111) communicates with the second segment (1112) and rotates around the second segment (1112).

3. Swivel joint according to claim 1 or 2,

one of the insertion part (112) and the insertion hole (122) is provided with a groove (1121), the other one of the insertion part (112) and the insertion hole (122) is provided with a fixture block (1221), the groove (1121) extends along the peripheral direction of the insertion part (112), the fixture block (1221) extends into the groove (1121), and the insertion part (112) rotates in the insertion hole (122) to enable the fixture block (1221) to slide along the groove (1121).

4. A swivel joint according to claim 3,

the groove (1121) is provided with a first side wall (11211) and a second side wall (11212), the first side wall (11211) is opposite to the second side wall (11212), and the fixture block (1221) extends between the first side wall (11211) and the second side wall (11212), wherein the first side wall (11211) is matched with the fixture block (1221) to limit the insertion part (112) from axially falling out of the insertion hole (122), and the second side wall (11212) is matched with the fixture block (1221) to limit the insertion part (112) from axially continuously extending into the insertion hole (122).

5. A swivel joint according to claim 3,

the recess (1121) is formed in a ring shape in the peripheral direction of the plug part (112).

6. Swivel joint according to claim 1 or 2,

a first inclined surface (1122) is formed on the outer wall surface of the insertion part (112), a second inclined surface (1222) is formed on the inner wall surface of the insertion hole (122), and the first inclined surface (1122) is opposite to and in contact with the second inclined surface (1222).

7. Swivel joint according to claim 1 or 2,

the sealing element (130) is arranged between the outer wall surface of the insertion part (112) and the inner wall surface of the insertion hole (122), one of the insertion part (112) and the insertion hole (122) is connected with the sealing element (130), and the other one is in contact with the sealing element (130) and is in sliding fit.

8. The swivel joint of claim 7,

one of the plug part (112) and the insertion hole (122) for connecting with the sealing member (130) is provided with a fixing groove (1123), and a part of the sealing member (130) is accommodated in the fixing groove (1123).

9. The swivel joint of claim 1,

the support (120) is provided with a plurality of insertion holes (122), the support (120) is provided with a plurality of second channels (121), the plurality of second channels (121) correspond to the plurality of insertion holes (122), each insertion hole (122) is communicated with the corresponding second channel (121) and forms turning transition, each insertion hole (122) is provided with a socket (1223) for inserting the insertion part (112), and an included angle is formed between the orientations of the sockets (1223).

10. A washing machine, characterized in that it comprises a rotary joint (100) according to any one of claims 1 to 9.

11. The washing machine as claimed in claim 10, further comprising:

a rotary unit connected with the rotary joint (100), the rotary unit being adapted to drive the rotary piece (110) of the rotary joint (100) to rotate.

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