CN108087562B

CN108087562B - Washing machine tap and washing machine

Info

Publication number: CN108087562B
Application number: CN201611034613.2A
Authority: CN
Inventors: 赵志强; 许升
Original assignee: Chongqing Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Current assignee: Chongqing Haier Washing Machine Co Ltd; Haier Smart Home Co Ltd
Priority date: 2016-11-22
Filing date: 2016-11-22
Publication date: 2021-07-09
Anticipated expiration: 2036-11-22
Also published as: CN108087562A

Abstract

The invention discloses a washing machine faucet, which comprises a body and a water outlet head connected with the body, wherein the water outlet head is communicated with the body to form a water flow channel, a flow stopping mechanism and a limiting guide mechanism are arranged in the water flow channel, the flow stopping mechanism moves in the water flow channel to conduct or cut off the water flow channel, and the limiting guide mechanism is arranged at one end of the flow stopping mechanism and is used for limiting the movement of the flow stopping mechanism. The water faucet is provided with the flow stopping mechanism, so that automatic water stopping of the water faucet after the water inlet pipe falls off is realized, and the limiting guide mechanism is arranged in the water flow channel, so that the movement of the flow stopping mechanism in the water flow channel can be limited, the sealing failure caused by the lateral deviation of the flow stopping mechanism is prevented, and the safety of automatic water stopping of the water faucet is enhanced.

Description

Washing machine tap and washing machine

Technical Field

The invention belongs to the field of washing machines, and particularly relates to a washing machine faucet and a washing machine.

Background

In the existing washing machine faucet market, a plurality of manufacturers and nonstandard standards can cause poor contact sealing of the joint of the water inlet pipe and the water inlet pipe of the washing machine when the water inlet pipe is connected with the water inlet pipe joint of the washing machine, so that the water leakage problem is caused. Current washing machine tap is in the use, and tap is in normally open state, meets to supply water pressure too big after cutting off the water, the inlet tube is connected not intact two separation that lead to inadequately with tap, perhaps when the unexpected fracture of junction, often leads to the inlet tube to drop for flowing water spatters everywhere. Even if the raw material belt is wound on some water taps, namely the tetrafluoroethylene belt still leaks water. Especially, an unattended automatic washing machine causes water waste, and even if water leaks seriously, the floor, furniture, wall and the like of the whole house can be soaked, so that the floor, the furniture, the wall and the like are damaged.

The Chinese patent with the application number of 201520495693.6 discloses a novel washing machine faucet, which comprises a throttle valve, wherein an outlet end of the throttle valve is fixedly connected with a second-stage valve, the second-stage valve comprises a shell, the upper end and the lower end of the shell are open, stepped hole-shaped water flowing channels are arranged in the shell, the first water flowing channel and the second water flowing channel are respectively arranged in the shell, and the upper end of the shell is fixedly connected and communicated with an outlet of the throttle valve; a valve body movable rod capable of moving along the axial direction of the water flow channel is installed in the water flow channel in a matching mode, a gap is reserved between the valve body movable rod and the outlet of the throttle valve, a spring is filled in the gap, and the lower end of the valve body movable rod extends out of the shell and is exposed outside; the valve body movable rod is tightly propped against the junction of the first flowing water channel and the second flowing water channel by the elastic force of the spring to prevent the flowing water from passing through; the valve body movable rod moves upwards and compresses the spring, and a throttling gap is formed between the valve body movable rod and the junction of the first flowing water channel and the second flowing water channel to allow water to pass through.

The lower end of the valve body movable rod of the water faucet of the washing machine extends out of the shell and is exposed outside, so that the water faucet is not beneficial to packaging, is easy to collide and damage, and is more lack of attractiveness. When the valve body movable rod is damaged, the valve body movable rod matched with the internal water channel needs to be integrally replaced, or the whole faucet needs to be replaced, the universality is lacked, and the cost is also increased. In addition, the valve body movable rod lacks a limiting guide mechanism, and is easy to laterally deviate during up-and-down telescopic movement, so that the problem of slight water leakage caused by untight sealing is solved.

The present invention has been made in view of this situation.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a washing machine faucet and a washing machine, wherein a flow stopping mechanism is arranged in the faucet to realize automatic water stopping of the faucet after a water inlet pipe falls off, and a limiting guide mechanism is arranged in a water flow channel to limit the movement of the flow stopping mechanism in the water flow channel, prevent the sealing failure caused by lateral deviation of the flow stopping mechanism and enhance the safety of automatic water stopping of the faucet.

In order to solve the technical problems, the invention adopts the technical scheme that:

the invention provides a washing machine faucet, which comprises a body and a water outlet head connected with the body, wherein the water outlet head is communicated with the body to form a water flow channel, a flow stopping mechanism and a limiting guide mechanism are arranged in the water flow channel, the flow stopping mechanism moves in the water flow channel to conduct or cut off the water flow channel, and the limiting guide mechanism is arranged at one end of the flow stopping mechanism and is used for limiting the movement of the flow stopping mechanism.

Furthermore, the limiting guide mechanism comprises a stop piece and a guide piece, the guide piece is arranged on the flow stopping mechanism and moves along with the flow stopping mechanism, and the stop piece is fixed in the water flow channel and matched with the guide piece to limit the movement of the flow stopping mechanism.

Furthermore, a limiting through hole is formed in the stop part, the guide part is a guide post, one end of the guide post is connected with the flow stopping mechanism or integrally formed with the flow stopping mechanism, the other end of the guide post penetrates through the limiting through hole, and the guide post moves relative to the limiting through hole and is limited in the limiting through hole;

preferably, the outer diameter of the guide post is equal to the inner diameter of the limiting through hole.

Furthermore, the stop piece is a stop piece, the periphery of the stop piece is fixed in the water flow channel, a limiting through hole is formed in the center of the stop piece, and a water passing hole for water flow to pass through is formed between the limiting through hole and the periphery of the stop piece.

Furthermore, flow stopping mechanism includes shutoff piece and fore-set, the shutoff piece be used for cutting the rivers passageway, the one end of fore-set stretches into in going out the hydroecium from the delivery port of hydroecium head by the outside and with shutoff piece cooperation jack-up shutoff piece in order to switch on the rivers passageway, spacing guiding mechanism sets up the motion that is used for injecing the shutoff piece in the one end of shutoff piece towards the body.

Furthermore, the stop part is fixed in a water flow channel between the blocking part and the body, an elastic part is connected onto the stop part, the other end of the elastic part is connected with the blocking part, the guide part is arranged on the blocking part, and one end of the guide part penetrates through the elastic part and is matched with the stop part to limit the movement of the blocking part.

Furthermore, the side wall of the plugging piece is provided with guide ribs protruding outwards at intervals, and the circle surrounded by the guide ribs is matched with the inner wall of the water flow channel to limit the movement of the plugging piece.

Furthermore, the inner wall of the water flow channel is arranged in a stepped manner to form a limiting table, and the limiting table is in fit support with the lower end face of the guide rib of the plugging piece to limit the plugging piece to move downwards excessively.

Further, the inner wall of the water flow channel below the limiting table is provided with a matching inclined plane, one end of the plugging piece is sleeved with a sealing ring, and the matching inclined plane is matched with the sealing ring and in sealing contact with the sealing ring.

Furthermore, one end of the flow stopping mechanism facing the body is connected with an elastic piece, the other end of the elastic piece abuts against the lower end of the body, and the outer diameter of the elastic piece is matched with the inner diameter of the water flow channel to limit the movement of the flow stopping mechanism.

The invention also provides a washing machine, which comprises a water inlet pipe and a water inlet pipe joint of the washing machine, wherein the water inlet pipe of the washing machine is arranged on the water faucet of the washing machine through the water inlet pipe joint.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

1. the washing machine faucet is provided with the limiting guide mechanism for limiting the movement of the flow stopping mechanism, and the guide piece of the limiting guide mechanism is matched with the stop piece, so that the limiting guide function can be realized on the movement of the flow stopping mechanism, the sealing failure caused by the lateral deviation of the flow stopping mechanism is prevented, and the safety water stopping of the faucet is enhanced.

2. The inner wall of the stop part of the washing machine faucet is matched with the shape of the plugging piece and is arranged in a step shape to form a limiting table and a matching surface, the limiting table is attached to the lower end of the guide rib of the plugging piece to limit the plugging piece to move downwards excessively to cause failure of the sealing ring, and the matching surface is matched with the sealing ring of the plugging piece, so that the sealing effect can be enhanced.

3. In the washing machine faucet, the plugging piece and the top column can be arranged in a split mode, and the plugging piece and the top column can be connected in a detachable mode and act together as a whole; or as separate two pieces, respectively arranged in the water tap and the water inlet pipe joint to respectively function. So, the fore-set can be installed when the reconnection to the shutoff piece on, perhaps fix in the water inlet pipe connects, need not stretch out the tap outside, consequently easily pack and elegant appearance, also avoid colliding with the damage that the problem leads to the part, the renewal part of being convenient for practices thrift the cost.

4. The plugging piece and the top column of the washing machine faucet are matched, and the positioning structure is arranged, so that the plugging piece and the top column can be limited to move up and down by matching with the limiting and guiding mechanism, sealing failure caused by lateral deviation of the plugging piece is avoided, and the automatic water stopping effect is better and safer.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a side view of the faucet of the washing machine of the present invention;

FIG. 2 is a perspective view of the faucet of the washing machine of the present invention;

FIG. 3 is a sectional view showing a state where a water inlet pipe is not connected to a water tap of the washing machine and the water inlet pipe is detached;

FIG. 4 is a cross-sectional view of the closure and guide integrally formed within the faucet of the washing machine;

FIG. 5 is a perspective view of a closure and guide integrally formed in a faucet of a washing machine;

FIG. 6 is a side view of a washing machine faucet and water inlet tube;

FIG. 7 is a perspective view of a faucet and water inlet tube of the washing machine;

FIG. 8 is a sectional view showing a state where a water tap of the washing machine is connected to a water inlet pipe;

fig. 9 is an exploded view of a washing machine faucet connected water inlet tube.

In the figure: the water inlet pipe comprises a body 1, a water outlet head 2, a water inlet pipe joint 3, a valve core cap 4, a handle 5, a sealing gasket 6, a stop part 7, a spring 8, a sealing part 9, a top column 10, a limiting through hole 11, a water inlet pipe 12, a guide column 13, a connecting rib 14, a water outlet head groove 201, a water outlet port 202, a limiting table 203, a matching inclined plane 204, a locking sleeve 301, a joint pipe 302, a self-locking spring 303, a sealing sheet 304, a ball 305, a sealing groove 901, a sealing ring 902, a positioning part 903, a flow guide groove 904, a guiding rib 905, a positioning rib 906, a support 1001, a stand 1002 and a flow channel 1003.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 9, the invention provides a water faucet of a washing machine, which comprises a body 1 and a water outlet head 2 connected with the body, wherein the water outlet head 2 is communicated with the body 1 to form a water flow channel, a flow stopping mechanism and a limiting guide mechanism are arranged in the water flow channel, the flow stopping mechanism moves in the water flow channel to conduct or cut off the water flow channel, and the limiting guide mechanism is arranged at one end of the flow stopping mechanism and is used for limiting the movement of the flow stopping mechanism.

The body 1 is a main body part of the water faucet, is an assembly framework of other parts and is also a fixing element for mounting the water outlet head.

One end of the body is a threaded connection part which can be screwed into a tap water pipeline interface reserved in a consumer family. And sealing can be ensured. The tail end of the thread is provided with a stop, so that the excessive entering of the thread part into a reserved tap water pipeline interface can be limited, and the interface is damaged; secondly, after the screw-in is fastened, the stop blocks can just shield the connecting part, so that the whole body is attractive.

The upper part of the body is provided with a valve core cap 4 which shields the valve core body, thus being more beautiful. The valve body is arranged on the body, and a sealing ring or a sealing gasket is arranged between the valve body and the body for sealing, so that the valve body is arranged behind the body, and no liquid leakage is ensured between the valve body and the body. The valve core can control the opening and closing of the tap and the water flow, and is arranged on the valve body.

The valve core cap is provided with the handle 5, so that a consumer can rotate 0-90 degrees conveniently, and the user can adjust the valve core conveniently, and then the on-off of water flow and the water flow size are controlled. The handle 5 may be a straight handle, which is integrally formed with the valve core cap. The valve core cap is provided with a connecting piece, the connecting piece is fixedly connected with the valve core, and the valve core can be driven to rotate by the rotation of the handle.

The water outlet head 2 is connected with the body 1, the water outlet head is communicated with the body to form a water flow channel, the water outlet head can be assembled on the body of the faucet, and water flow can flow out of the water outlet head through the body. The inner wall of the water outlet head is at least partially provided with internal threads which can be tightly connected with the external threads at the tail end of the body. The outside of junction has the structure that makes things convenient for the consumer to fasten, for example the muscle of vertical bar, a plurality of tangent plane isotructure, for fastening the tangent plane in fig. 2, can make things convenient for the consumer to use tools such as spanner, pliers further fastening on the body.

The outer wall of the water outlet head is provided with a water outlet head groove 201 which is convenient for being fast clamped with the water inlet pipe connector 3 of the washing machine.

The opposite end of the water outlet head connected with the body is a water outlet through which water flows out. The outer corner of the water outlet can be a fillet structure, such as the chamfer structure shown in fig. 3, the surface is smooth, and the rubber sealing ring of the water inlet pipe can be prevented from being damaged to cause water leakage.

Set up in the rivers passageway and end the mechanism that flows, end the mechanism that flows and can remove in the rivers passageway, end the mechanism that flows and can cooperate the inner wall of rivers passageway, realize switching on or cutting off the rivers passageway. When the water inlet pipe falls off from the water faucet, the flow stopping mechanism is in sealing contact with the inner wall of the water flow channel to stop water flow, so that water leakage is avoided; when the water inlet pipe is connected with the water tap completely, the flow stopping mechanism is jacked up, and a gap is formed between the flow stopping mechanism and the inner wall of the water flow channel to allow water flow to pass through.

The inner wall of the water flow channel in sealing contact with the flow stopping mechanism can be protruded inwards to form a smaller necking which is matched with the flow stopping mechanism to control water flow; the partial structure can be arranged in a water flow channel of the water outlet head, can also be arranged at a water outlet of the water outlet head, and can be matched with the flow stopping mechanism to control water flow.

And a limiting guide mechanism is also arranged in the water flow channel, and is arranged at one end of the flow stopping mechanism and used for limiting the movement of the flow stopping mechanism. When the flow stopping mechanism moves in the water flow channel, due to the influence of water pressure change and the like, the moving track can be deviated, poor sealing is easily caused, and after the limiting guide mechanism is added, the moving direction of the flow stopping mechanism can be guided, and the movement of the flow stopping mechanism can be limited in a fixed track, so that the correct position of the flow stopping mechanism is ensured, and a good sealing effect is ensured.

Example one

As shown in fig. 1 to 9, the limiting guide mechanism of the present embodiment includes a stopper 7 and a guide member, the guide member is disposed on the flow stopping mechanism and moves with the flow stopping mechanism, and the stopper is fixed in the water flow passage and cooperates with the guide member to limit the movement of the flow stopping mechanism.

The stop piece is fixed on the water flow channel and is fixedly connected with the inner wall of the water flow channel. The fixed connection can be in a threaded connection, a buckling connection, an adhesive connection, an interference fit connection and the like. In this embodiment, an interference fit connection is used.

The guide piece is arranged on the flow stopping mechanism and moves along with the flow stopping mechanism, the guide piece can be integrally formed with the flow stopping mechanism or detachably connected with the flow stopping mechanism, the guide piece is matched with the stop piece, and the stop piece limits the movement of the guide piece and can limit the movement of the flow stopping mechanism.

The flow stopping mechanism can be a movable valve rod with a spring or a piston rod without the spring.

The movable valve rod can be integrated and comprises a head part and a rod part, wherein the head part plays a sealing role, and the rod part plays a role in jacking up the head part. The head part is connected with a spring, and the other end of the rod part is propped against the water inlet pipe joint; the movable valve rod can also be arranged in a split mode, the head portion is arranged to be a plugging piece, the rod portion is arranged to be a top column, the top column is arranged in the water inlet pipe, and when the water inlet pipe is connected, the top column jacks up the plugging piece.

The piston rod without the spring comprises a plug part and a rod part, wherein the plug part plays a sealing role, and the rod part plays a role in jacking up the plug part.

The guide piece can be arranged at one end of the flow stopping mechanism for sealing, the stop piece is fixed in the water flow channel at one end of the guide piece, and the guide piece and the stop piece are matched to limit the movement of the flow stopping mechanism. Or the rod part of the flow stopping mechanism which plays a role in jacking is directly used as a guide part, the stop part is arranged at one end of the rod part, and the stop part is matched with the rod part of the flow stopping mechanism to limit the movement of the flow stopping mechanism.

Example two

As shown in fig. 3-5 and fig. 8-9, this embodiment is further defined by the first embodiment, the stopper 7 is provided with a limiting through hole 11, the guiding element is a guiding post 13, one end of the guiding post 13 is connected to or integrally formed with the flow stopping mechanism, the other end of the guiding post 13 passes through the limiting through hole 11, and the guiding post 13 moves relative to the limiting through hole and is limited in the limiting through hole 11.

The limiting through hole on the stop piece plays a role in positioning and guiding the guide post and the flow stopping mechanism which synchronously moves with the guide post. When the water inlet pipe is not connected, the tail end of the guide column on the flow stopping mechanism just passes through the limiting through hole of the stop piece. When the water inlet pipe is connected, the guide post on the flow stopping mechanism penetrates through the limiting through hole of the stop piece. The limiting through hole of the stop piece plays a role in limiting and guiding the guide post in the vertical direction, and the lateral deviation of the flow stopping mechanism is prevented from causing sealing failure.

When the external diameter of guide post and the internal diameter of spacing through-hole equal, the guide post can pass spacing through-hole just and can remove, should remove to be injectd in spacing through-hole simultaneously, drives the motion of flow stopping mechanism and also is injectd, avoids leading to because of water pressure unstability etc. that the motion lateral deviation of flow stopping mechanism leads to sealed inefficacy.

According to a further scheme, the stop piece is a stop piece, the periphery of the stop piece is fixed in the water flow channel, a limiting through hole is formed in the center of the stop piece, and a water passing hole for water flow to pass through is formed between the limiting through hole and the periphery of the stop piece.

Scheme 1: the limiting through hole of the stop piece is formed by surrounding an inner annular rib, the periphery of the stop piece is an outer annular rib, a connecting rib 14 is arranged between the inner annular rib and the outer annular rib of the stop ring, and a water hole is formed between the adjacent connecting ribs. The stop piece is provided with N connecting ribs, wherein N is more than or equal to 2. Preferably 3. The water passing holes are formed among the connecting ribs, so that the cross-sectional area of water flow can be increased as much as possible, and the flow resistance can be reduced as much as possible.

Scheme 2: the center of the stopping piece is provided with a limiting through hole, and a plurality of water passing holes are distributed on the stopping piece body between the limiting through hole and the periphery, so that the cross-sectional area of water flow is increased, and the flow resistance is reduced as much as possible.

Example two

As shown in fig. 3 to 9, the flow stopping mechanism of this embodiment includes a blocking member 9 and a top pillar 10, the blocking member 9 is used for cutting off the water flow channel, one end of the top pillar 10 extends into the water outlet head from the water outlet of the water outlet head from the outside to jack up the blocking member in cooperation with the blocking member to conduct the water flow channel, and the limiting guide mechanism is disposed at one end of the blocking member 9 facing the body 1 and is used for limiting the movement of the blocking member 9.

The plugging piece of the flow stopping mechanism plays a role in sealing and is used for cutting off water flow, and the ejection column and the plugging piece are matched to eject the plugging piece to conduct a water flow channel, so that the control on the water flow is realized. The shutoff piece and the split type setting of fore-set of this embodiment ensure that the sealed effect of shutoff piece can be ensured to the accuracy of the shift position of shutoff piece, consequently, spacing guiding mechanism sets up in the one end of shutoff piece towards the body for inject the motion of shutoff piece.

In a further scheme, the stop part 7 is fixed in a water flow channel between the blocking part 9 and the body 1, an elastic part is connected onto the stop part, the other end of the elastic part is connected with the blocking part 9, the guide part is arranged on the blocking part 9, and one end of the guide part penetrates through the elastic part and is matched with the stop part 7 to limit the movement of the blocking part 9.

The stop piece is fixed in a water flow channel of the plugging piece towards one end of the body in an interference fit mode, a limiting through hole is formed in the center of the stop piece, a downward protruding platform is arranged at the lower end of the stop piece around the limiting through hole, an elastic piece is connected to the protruding platform, a spring 8 is preferably selected from the elastic piece, and the other end of the spring 8 is fixedly connected with a plugging piece 9. The guide piece is guide post 13, and the guide post setting is in the one end of shutoff piece 9 orientation body to with shutoff piece integrated into one piece, the other end of guide piece passes the spring and restricts the motion of shutoff piece with the spacing through-hole cooperation of backstop piece.

The inner diameter of the spring 8 is slightly larger than the outer diameter of the guide post 13 on the plugging piece 9, so that the spring can be freely extended and contracted, the bending of the spring is reduced as much as possible, and the lateral bias force is effectively avoided.

When the water inlet pipe is connected, the top column upwards jacks up the plugging piece, the spring contracts, and the guide column on the plugging piece upwards moves to penetrate through the limiting through hole of the stopping piece. When the inlet tube drops or is not connected with the inlet tube, the spring extends, the guide post and the plugging piece move downwards along the limiting through hole and fall back to the original position, the tail end of the guide post is just in the limiting through hole of the stopping piece, and the plugging piece blocks water flow. Therefore, the limiting through hole of the stopping sheet plays a role in limiting and guiding the guide post in the vertical direction, and sealing failure caused by lateral deviation of the plugging piece is prevented.

EXAMPLE III

As shown in fig. 1 to 9, the top pillar 10 of the present embodiment is disposed in the water inlet nipple 3 of the washing machine and is in contact-engagement with the closing member 9 to jack up the closing member 9.

The plugging piece is arranged in a water flow channel of the water outlet head and can move up and down along the water flow channel, and when the plugging piece is in sealing contact with the water outlet, the water outlet can be sealed to cut off water flow. The top column can be independently arranged and is arranged in the joint of the water inlet pipe of the washing machine. The top pillar can be integrated with the water inlet pipe joint through injection molding, and can also be used as an independent part and fixedly installed in the water inlet pipe joint when needed. When the water inlet pipe is connected with the water outlet head through the water inlet pipe joint, the top column in the water inlet pipe joint can extend into the water outlet head from the water outlet of the water outlet head and is in contact with the plugging piece, and the plugging piece is jacked up to conduct the water flow channel. So set up, not only be convenient for packing the transportation, avoid colliding with the damage, still can prepare complete set tap and inlet tube, guarantee tap and inlet tube and connect the complete matching, avoid taking place unexpectedly.

Furthermore, a positioning part 903 matched with the top column is arranged on the plugging piece 9, one end of the top column 10, which penetrates through the water outlet of the water outlet head, is in contact with the positioning part 903 to jack up the plugging piece 9, and the other end of the top column 10 is fixed in the water inlet pipe joint 3 of the washing machine.

The location portion on the shutoff piece is the position with the fore-set contact, can set up to recess or arch etc. can with the fore-set location contact can. The fore-set stretches into out the water head after from the outside, contacts through location portion and shutoff piece to when inlet tube connects the joint on the water head, upwards jack-up shutoff piece, shutoff piece and delivery port separation form the clearance, rivers enter into the inlet tube through the delivery port.

Further, the positioning portion 903 is a groove, the groove is disposed on a bottom surface of one end of the blocking piece 9 facing the water outlet 202, when the water inlet pipe joint 3 is connected with the water outlet head 2, the top end of the top column 10 is inserted into the groove, and the blocking piece 9 is jacked up to allow water flow to pass through.

The preferred scheme is that the one end of fore-set cooperatees with location portion, and when the location portion was the recess, fore-set one end can insert regular shutoff piece in the recess, and when the location portion was protruding, the one end of fore-set can set up to the recess with protruding complex. Therefore, the plugging piece can be conveniently jacked up vertically by the jacking column, the lateral deviation of the plugging piece is avoided, and poor sealing is prevented when the plugging piece is returned to the water outlet.

More preferably, the inner diameter of the groove is matched with the outer diameter of a top column fixed in the water inlet pipe joint.

The fore-set can be cylinder type, square, cross etc. the shape of recess and the shape phase-match of fore-set to the internal diameter of recess sets up with the external diameter fit of the fore-set of fixing in water inlet pipe connects, when making water inlet pipe connect and tap high-speed joint, the fore-set in the joint gets into the recess just and can back open the shutoff piece, the vertical jack-up shutoff piece of fore-set of being convenient for avoids shutoff piece lateral deviation, prevents to playback to fall to the delivery port when sealed bad.

Further, the support 10 includes a column 1002 and a bracket 1001, the bracket 1001 is fixedly connected with the inside of the water inlet pipe joint 3, the outer diameter of the column 1002 is matched with the inner diameter of the positioning groove, and a runner groove 1003 is arranged on the lower portion of the column or the bracket.

The support of fore-set can be the tripod support that the interval set up, has great clearance between adjacent support, allows rivers to pass through, the upper end and the stand integrated into one piece of tripod support, the lower extreme or the lateral wall integrated into one piece of lateral wall and the water pipe connector of tripod support, perhaps the lower extreme fixed mounting of tripod support is on the inside annular boss of water pipe connector. The support can also be designed into an annular table, and a runner groove or a water through hole is arranged on the annular table. Vertical runner grooves can be arranged on the upright posts, so that water flow can conveniently pass through the upright posts.

Example four

As shown in fig. 3-5, the side wall of the blocking member 9 of this embodiment is provided with outwardly protruding guide ribs 905 at intervals, and the circle defined by the guide ribs is matched with the inner wall of the water flow passage to limit the movement of the blocking member 9.

Set up outside convex direction muscle on the lateral wall of shutoff piece, the direction muscle has three effect: positioning, guiding and limiting. The number of the guide ribs is N, and N is more than or equal to 2. Preferably 3. Preferably, the diameter of the circle defined by the guide ribs is adapted to the inner diameter of the flow passage in the water outlet head, so that the positioning and guiding effects are realized, and the sealing failure caused by the lateral deviation when the plugging piece moves up and down is effectively prevented.

The guide rib 905 may be provided in a step shape and extend out of one end of the plugging member; the guide rib of the side wall of the blocking piece plays a role in limiting and guiding, and the guide rib extending out of one end can serve as a positioning rib 906 and is fixedly connected with the spring. Preferably, the diameter of the circle surrounded by the positioning ribs is slightly smaller than the outer diameter of the spring, so that the spring and the plugging piece are better positioned and fixed.

Furthermore, the inner wall of the water flow channel is arranged in a stepped manner to form a limiting table 203, and the limiting table 203 is in fit support with the lower end face of the guide rib 9025 of the plugging piece to limit the plugging piece to move downwards excessively. The inner wall of the water flow channel below the limiting table 203 is provided with a matching inclined surface 204, one end of the plugging piece is sleeved with a sealing ring 902, and the matching inclined surface 204 is matched with the sealing ring 902 and is in sealing contact with the sealing ring.

The flow stopping mechanism is matched with the inner wall of the water flow channel to control water flow, so that the inner wall of the water flow channel in sealing contact with the flow stopping mechanism is inwards protruded to form a water outlet smaller than the inner diameter of the water flow channel. One end of the blocking piece facing the water outlet is provided with a sealing groove, and a sealing ring is sleeved on the sealing groove. The diameter of the plugging piece above the sealing ring is slightly larger than that of the plugging piece below the sealing ring, so that an inclined plane can be basically formed after the sealing ring is sleeved, the inclined plane is attached to the matched inclined plane of the inner wall of the water flow channel, and the water flow channel is in sealing contact with the inclined plane to cut off water flow.

When the shutoff piece cuts rivers, the sealing washer that shutoff piece pot head was established and the cooperation inclined plane sealing contact of rivers passageway cooperate the spacing platform of inclined plane top simultaneously and the lower terminal surface laminating support of the direction muscle of shutoff piece, restriction shutoff piece excessively moves down. Meanwhile, the sealing failure caused by excessive pressing of the sealing ring when the water pressure is too high is prevented.

EXAMPLE five

The embodiment is another scheme for limiting the movement of the flow stopping mechanism, wherein one end of the flow stopping mechanism facing the body is connected with an elastic part, the other end of the elastic part abuts against the lower end of the body, and the outer diameter of the elastic part is matched with the inner diameter of the water flow channel to limit the movement of the flow stopping mechanism.

This embodiment does not set up the guide piece, relies on the cooperation of elastic component and rivers passageway inner wall to carry on spacingly to the shutoff piece of flow stopping mechanism. The elastic piece is a spring, and one end of the spring can directly abut against the lower end of the body and can also abut against and be fixed on the stop piece. The other end of spring and the one end fixed connection of shutoff piece orientation body, the external diameter of spring slightly is less than the internal diameter of outlet head water current channel, can realize concertina movement along the inner wall free activity of outlet head, and the inner wall of outlet head carries on spacingly to the spring, prevents that concertina movement from resulting in the ascending bending of spring vertical side, and then leads to the side of end cap partially for sealed inefficacy.

EXAMPLE six

The embodiment provides a washing machine, which comprises a water inlet pipe of the washing machine and a water inlet pipe connector 3, wherein the water inlet pipe of the washing machine is arranged on a water tap of the washing machine through the water inlet pipe connector.

A plugging piece 9 is arranged in a water outlet of the washing machine faucet, a limiting guide mechanism is arranged at one end, facing the body, of the plugging piece, and one end of the top column is arranged in a joint of the water inlet pipe.

Contain joint pipe 302 and lock sleeve 301 in the joint of inlet tube, lock sleeve 301 is movable about the joint pipe 302 to can be dead through auto-lock spring 303 playback lock, the spacing collar prevents that lock sleeve and joint pipe from droing. The details can be described as follows:

the lock sleeve 301 capable of sliding is pressed down, the water outlet of the faucet is inserted into the water inlet pipe joint 3, the lock sleeve 301 is loosened, the lock sleeve moves upwards to reset under the action of restoring elastic force under the action of the self-locking spring 303, the ball 305 is extruded by the self-locking chamfering structure and gradually moves inwards, the ball is extruded into the water outlet head groove 201 as a result, and a 'snap' sound is emitted, and at the moment, the ball of the self-locking structure is embedded into the water outlet head groove 201 of the faucet. The structure of the water inlet pipe cannot fall off, and the water outlet and the joint are sealed by the annular sealing sheet 304, so that no leakage exists between the water outlet head and the water inlet pipe joint of the water faucet.

The lock sleeve of the water inlet pipe joint is movable, N balls play a role in fixed locking, when the water inlet pipe joint is pushed by applying external force downwards, the balls are extruded by the unlocking chamfer structure of the water faucet and move outwards gradually, and the balls can be extruded into the unlocking groove as a result, and the balls cannot be embedded into the water outlet groove, so that the water faucet of the lower connecting pipe can be easily pulled out.

The intake pipe joint of the present embodiment is previously equipped with the top pillar 10 inside, and the periphery of the base of the top pillar is provided with the flow channel 1003.

After the water inlet pipe of the embodiment is connected with the water faucet of the washing machine, the top column of the water inlet pipe naturally pushes the unsealing piece and compresses the spring. When the handle of the water tap rotates 90 degrees, water flow can enter the water outlet head through the body and then enter the water inlet pipe of the washing machine through the water outlet of the water tap, and the water flow enters the washing machine.

The top pillar is preferably injection molded integrally with the water inlet pipe joint. The top post may also be a single piece, secured in the faucet coupling.

Only when the water inlet pipe of the washing machine is connected with the water faucet of the washing machine, the water faucet supplies water to the water inlet pipe to form a water flow channel. When the water inlet pipe of the washing machine is not connected with the water faucet of the washing machine or falls off, the elastic force of the spring acts on the blocking piece to enable the blocking piece to fall back and seal the water outlet, and meanwhile, the limiting through hole of the stop piece limits the falling motion of the guide post and the blocking piece, so that the water outlet of the water faucet is accurately sealed. Even if the valve core is opened in the faucet, water cannot flow out of the water outlet, and property of consumers is greatly guaranteed.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A washing machine faucet comprises a body and a water outlet head connected with the body, wherein the water outlet head is communicated with the body to form a water flow channel, and the washing machine faucet is characterized in that a flow stopping mechanism and a limiting guide mechanism are arranged in the water flow channel, the flow stopping mechanism moves in the water flow channel to conduct or cut off the water flow channel, the flow stopping mechanism comprises a plugging piece and a top column, the plugging piece is used for cutting off the water flow channel, one end of the top column extends into the water outlet head from the water outlet of the water outlet head from the outside and is matched with the plugging piece to jack the plugging piece to conduct the water flow channel, the plugging piece is detachably connected with the top column, and the top column is connected to the plugging piece during installation; the limiting guide mechanism is arranged at one end, facing the body, of the plugging piece and is used for limiting the movement of the plugging piece;

the side wall of the plugging piece is provided with guide ribs protruding outwards at intervals, and the circle formed by the guide ribs is matched with the inner wall of the water flow channel to limit the movement of the plugging piece; the guide rib is in a step shape and extends out of one end of the plugging piece, and the guide rib extending out of one end is used as a positioning rib and fixedly connected with the spring; the diameter of a circle defined by the positioning ribs is slightly smaller than the outer diameter of the spring and is used for positioning and fixing the spring and the plugging piece;

the inner wall of the water flow channel is arranged in a stepped manner to form a limiting table, and the limiting table is in fit support with the lower end face of the guide rib of the plugging piece to limit the plugging piece from moving downwards excessively; the water flow channel inner wall below the limiting table is provided with a matching inclined plane, one end of the plugging piece is sleeved with a sealing ring, and the matching inclined plane is matched with the sealing ring and is in sealing contact with the sealing ring.

2. The faucet of claim 1, wherein the position limiting guide mechanism comprises a stop member and a guide member, the guide member is disposed on the flow stopping mechanism and moves with the flow stopping mechanism, and the stop member is fixed in the water flow passage and cooperates with the guide member to limit the movement of the flow stopping mechanism.

3. The faucet of claim 2, wherein the stop member is provided with a limiting through hole, the guide member is a guide post, one end of the guide post is connected to or integrally formed with the flow stopping mechanism, the other end of the guide post passes through the limiting through hole, and the guide post moves relative to the limiting through hole and is limited in the limiting through hole.

4. The faucet of claim 3, wherein the outer diameter of the guide post is equal to the inner diameter of the through hole.

5. The faucet of claim 2 or 3, wherein the stopper is a stopper, the outer periphery of the stopper is fixed in the water flow channel, the center of the stopper is provided with a limiting through hole, and a water through hole for water flow is arranged between the limiting through hole and the outer periphery of the stopper.

6. The faucet of claim 2, wherein the stopper is fixed in a water flow path between the blocking member and the body, the stopper is connected with a spring, the other end of the spring is connected with a positioning rib on the blocking member, the guide member is arranged on the blocking member, and one end of the guide member passes through the spring and cooperates with the stopper to limit the movement of the blocking member.

7. A washing machine comprising a water inlet pipe and a water inlet pipe joint of the washing machine, characterized in that the water inlet pipe of the washing machine is mounted on the water tap of the washing machine of any one of claims 1-6 through the water inlet pipe joint.