CN112294215A

CN112294215A - Dish washer with adjustable rotation axis

Info

Publication number: CN112294215A
Application number: CN201910693221.4A
Authority: CN
Inventors: 朱泽春; 陈宁涛; 胡鹏; 杨夫健
Original assignee: Joyoung Co Ltd
Current assignee: Joyoung Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2021-02-02
Anticipated expiration: 2039-07-30
Also published as: CN112294215B

Abstract

The invention provides a dish washing machine with an adjustable rotation axis, which comprises a spray arm and a circulating water inlet pipeline, wherein the spray arm is provided with the rotation axis, the circulating water inlet pipeline is provided with a central axis, the dish washing machine is also provided with a connecting component for communicating the circulating water inlet pipeline with the spray arm, the connecting component is provided with a first interface and a second interface, the first interface and the second interface are coaxial with the rotation axis respectively, the spray arm is rotatably connected onto the first interface, the second interface is connected with the circulating water inlet pipeline, and the distance between the first interface and the second interface of the connecting component is adjustable. The dish-washing machine is convenient to use, the position of the rotation axis of the spray arm is adjustable, and the universality is good.

Description

Dish washer with adjustable rotation axis

Technical Field

The invention relates to the field of kitchen appliances, in particular to a dish washing machine with an adjustable rotation axis.

Background

Sink dishwashers are popular because they are integral with kitchen sinks, taking up no additional space. However, the sink dish-washing machine generally needs to purchase a new machine to replace the original kitchen sink, so that resource waste is caused, if the existing kitchen sink is modified to enable the common sink to have the dish-washing machine function, two purposes can be achieved by one, the original sink can be reserved, and dish washing can be automatically carried out; in view of the fact that common water tanks with different specifications exist in the market, various eccentric sizes exist between the position of a water cup below the water tank and the central position of a water tank body, and the rotating center of a spraying arm of a water tank dish washing machine is generally overlapped with the center of the water tank body, so that the rotating center of the spraying arm is not concentric with the center of a circulating water inlet pipeline in the water cup below the water tank, a connecting piece between the spraying arm and the water inlet pipeline has various sizes and specifications, the water tank dish washing machine is inconvenient to reform and has poor universality; in addition, the lower water cup of the table dishwasher or the embedded dishwasher is usually arranged eccentrically relative to the bottom center of the inner container, and the similar problem of the sink dishwasher also exists.

Disclosure of Invention

The invention aims to provide a dishwasher which is convenient to use and the position of a rotating axis of a spray arm can be adjusted.

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

the utility model provides a rotation axis adjustable dish washer, includes spray arm and circulation inlet channel, spray arm has the rotation axis, the circulation inlet channel has the central axis, dish washer still is equipped with the intercommunication the circulation inlet channel with spray arm's coupling assembling, be equipped with on the coupling assembling respectively with the coaxial first interface of rotation axis and with the coaxial second interface of central axis, spray arm rotate connect in on the first interface, second interface connection circulation inlet channel, coupling assembling first interface with the interval of second interface is adjustable.

Preferably, the bottom wall of the dishwasher is provided with a water discharge cup, the circulating water inlet pipeline penetrates through the water discharge cup, a filter assembly sleeved on the outer side of the circulating water inlet pipeline is further arranged in the water discharge cup, and the rotating axis is parallel to the central axis.

Preferably, the top end of the filtering component is provided with a flange protruding upwards from the lower water cup, a clamping groove is formed in the flange, and the connecting component is embedded into the clamping groove to limit the relative installation angle of the connecting component and the circulating water inlet pipeline when the connecting component and the circulating water inlet pipeline are connected.

Preferably, coupling assembling includes relative position is adjustable, and sealed complex first connecting piece and second connecting piece, first interface is located on the first connecting piece, the second interface is located on the second connecting piece, in adjustable range, first interface communicates all the time the second interface.

Preferably, be equipped with the water cavity on the coupling assembling, be equipped with the opening on the water cavity, first interface passes through the opening communicates all the time the second interface in the open area, first interface with the interval of second interface is adjustable.

Preferably, the opening is waist-shaped, and in the length direction at the opening, the first connecting piece and the second connecting piece are connected in a sliding manner, and in the opening plane, the first connecting piece and the second connecting piece can be matched in a 180-degree rotating manner.

Preferably, the first interface and the second interface are located in the adjustable range, and the projection of the first interface and the second interface in the plane of the opening is always located in the opening.

Preferably, the first connecting piece is in sliding fit with the second connecting piece, the connecting assembly is provided with a sliding limiting portion in sliding strokes of the first connecting piece and the second connecting piece, and the sliding limiting portion limits sliding displacement of the first connecting piece and the second connecting piece so as to control the distance between the first interface and the second interface.

Preferably, the sliding limiting part comprises a positioning type sliding limiting part which is limited according to a set interval in the sliding stroke, the positioning type sliding limiting part comprises threaded holes which are formed in the first connecting piece and the second connecting piece, the threaded holes are arranged according to the set interval, and screws penetrate through the threaded holes to lock and limit the first connecting piece and the second connecting piece.

Preferably, coupling assembling with the circulation inlet channel is inhaled connection structure through magnetism and is dismantled the connection, magnetism is inhaled connection structure and is included to set up first connector and setting on the circulation inlet channel are in second connector on the second interface, the second connector with first connector magnetic adsorption so that coupling assembling with the circulation inlet channel is connected.

Compared with the prior art, the invention has the beneficial effects that:

1. the dishwasher is provided with the connecting component for connecting the spray arm and the water inlet pipeline, the connecting component comprises a first interface and a second interface, the first interface and the second interface are respectively connected with the spray arm and the circulating water inlet pipeline, the distance between the first interface and the second interface is adjustable, and the relative positions of the rotation axis of the spray arm and the central axis of the circulating water inlet pipeline can be adjusted, so that the central position of the existing lower water cup and the central line of a washing cavity of the dishwasher are not overlapped in an eccentric mode, the central position of the circulating water inlet pipeline and the central position of the lower water cup are overlapped, and the rotation axis of the spray arm and the central line of the washing cavity are overlapped, so that the washing effect of the dishwasher is improved, the universality of the washing component is improved, and the use is convenient.

2. The circulating water inlet pipeline penetrates through the lower water cup, so that the circulating water inlet pipeline and the lower water cup share one lower water opening, the situation that a plurality of mounting openings are formed at the bottom of the cleaning cavity, respective sealing needs to be considered, the structure is simpler, and the sealing is more reliable; through be provided with the cover in the drinking cup down and establish the filter assembly in the circulation inlet channel outside, can filter water and residue in getting into the drinking cup down on the one hand, avoid blockking up drain pump or circulating pump, on the other hand, filter assembly can support the circulation inlet channel of inboard, guarantees the reliability of circulation inlet channel and spray arm counterpoint installation.

3. Through set up the draw-in groove on filtering component's top flange, limit structure and the integrative setting of filtering component, simple structure, easy preparation, such limit structure make full use of filtering component's top structure moreover, spray arm with circulate before the intake pipe is connected with alright inject installation angle through the draw-in groove to spray arm and the accurate installation of counterpointing of circulation intake pipe.

4. The opening is arranged to be waist-shaped, and the first connecting piece and the second connecting piece are connected in a sliding mode in the length direction of the opening so as to adjust the distance between the first connector and the second connector, and therefore the relative position of the rotating axis of the spraying arm and the central axis of the circulating water inlet pipeline is controlled; the first connecting piece and the second connecting piece can be matched in a 180-degree rotating mode, the adjusting range of the distance between the first interface and the second interface can be further enlarged, and the universality of the cleaning assembly is improved.

5. The distance between the first interface and the second interface is limited by adding the sliding limiting part in the sliding matching stroke of the first connecting piece and the second connecting piece, so that the relative position of the rotation axis of the spray arm and the central axis of the circulating water inlet pipeline is limited, and the rotation stability of the spray arm in the working process of the dishwasher is ensured; run through the screw hole through the screw with spacing first connecting piece of locking and second connecting piece for first connecting piece and second connecting piece be removable installation, so that coupling assembling used repeatedly, can also make things convenient for the maintenance to change the accessory.

6. Coupling assembling can be dismantled through magnetism with the circulation inlet channel and be connected, conveniently will spray arm and coupling assembling and together pull down to the residue in the water cup under the clearance, through magnetism the connection, coupling structure is simple, and, magnetism is inhaled the effect and is had the location installation effect, makes the dismouting process convenient more, swift.

Drawings

FIG. 1 is a schematic view of a dishwasher according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a cross-sectional view of a dishwasher in accordance with an embodiment of the present invention;

FIG. 4 is a schematic view of a spray arm according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a spray arm according to one embodiment of the present invention;

FIG. 6 is a cross-sectional view of a spray arm in another state according to an embodiment of the present invention;

FIG. 7 is an exploded view of a spray arm according to one embodiment of the present invention;

FIG. 8 is an exploded view of a second spray arm in accordance with embodiments of the present invention;

FIG. 9 is another exploded perspective view of a spray arm according to an embodiment of the present invention;

fig. 10 is an exploded view of three spray arms in accordance with an embodiment of the present invention.

The names of the components marked in the figures are as follows:

1. a cleaning chamber; 2. a spray arm; 3. a circulating water inlet pipeline; 4. a connecting assembly; 5. a first interface; 6. a second interface; 7. a first connecting body; 8. a second connector; 9. a first connecting member; 10. a second connecting member; 11. discharging a water cup; 12. a filter assembly; 13. a flange; 14. a card slot; 15. a water passing cavity; 16. an opening; 17. a seal ring; 18. a first threaded hole; 19. a second threaded hole; 20. a threaded post; 21. a first housing; 22. a second housing; 23. a bearing; 24. buckling; 25. a fool-proof part; 26. a water tank; 27. a bowl basket.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific examples.

The first embodiment is as follows:

as shown in fig. 1-7, the present embodiment provides a sink dish washer, including a washing chamber 1 formed by a sink 26, a spray arm 2 installed in the washing chamber 1, a bowl basket 27 and a circulating water inlet pipe 3, the spray arm 2 has a rotation axis, the circulating water inlet pipe 3 has a central axis, the dish washer is further provided with a connecting component 4 for connecting the circulating water inlet pipe 3 and the spray arm 2, the connecting component 4 is provided with a first interface 5 coaxial with the rotation axis and a second interface 6 coaxial with the central axis, respectively, the spray arm 2 is rotatably connected to the first interface 5, the second interface 6 is connected to the circulating water inlet pipe 3, and a distance between the first interface 5 and the second interface 6 of the connecting component 4 is adjustable.

The distance between the first interface 5 and the second interface 6 is adjustable, so that the relative positions of the rotation axis of the spray arm 2 and the central axis of the circulating water inlet pipeline 3 can be adjusted, the condition that the center position of the existing lower water cup is not overlapped with the center line eccentricity of the cleaning cavity 1 of the dish-washing machine is adapted, the center position of the circulating water inlet pipeline 3 is overlapped with the center position of the lower water cup, the rotation axis of the spray arm 2 is overlapped with the center line of the cleaning cavity 1, the cleaning effect of the dish-washing machine is improved, the universality of a cleaning assembly is improved, and the use is convenient.

As shown in fig. 2, the connection assembly 4 is detachably connected with the circulation water inlet pipe 3 through a magnetic connection structure, the magnetic connection structure comprises a first connection body 7 arranged on the circulation water inlet pipe 3 and a second connection body 8 arranged on the second connector 6, and the second connection body 8 and the first connection body 7 are magnetically adsorbed to enable the connection assembly 4 to be connected with the circulation water inlet pipe 3. Specifically, as shown in fig. 2, the second connecting body 8 is a ring magnet, and the first connecting body 7 is a ring magnet (or a ring-shaped iron piece or the like that can be attracted by a magnet).

As shown in fig. 4, the connecting assembly 4 includes a first connecting member 9 and a second connecting member 10 which are adjustable in relative position and are in sealing fit with each other, the first interface 5 is disposed on the first connecting member 9, the second interface 6 is disposed on the second connecting member 10, and the first interface 5 is always communicated with the second interface 6 within an adjustable range.

As shown in fig. 1, a lower water cup 11 is arranged on the bottom wall of the dishwasher, and the circulating water inlet pipeline 3 penetrates through the lower water cup 11, so that the circulating water inlet pipeline 3 and the lower water cup 11 share a lower water gap, the situation that a plurality of mounting ports are formed at the bottom of the cleaning cavity 1, respective sealing needs to be considered, the structure is simpler, and the sealing is more reliable; the lower water cup 11 is also internally provided with a filter assembly 12 sleeved outside the circulating water inlet pipeline 3, the rotation axis is parallel to the central axis, the filter assembly 12 sleeved outside the circulating water inlet pipeline 3 is arranged in the lower water cup 11, on one hand, water and residues entering the lower water cup 11 can be filtered, and the blockage of a drainage pump or a circulating pump is avoided, on the other hand, the filter assembly 12 can support the circulating water inlet pipeline 3 on the inner side, and the reliability of the aligned installation of the circulating water inlet pipeline 3 and the spray arm 2 is ensured.

Specifically, in fig. 1, the circulation water inlet pipe 3 is disposed at a central position inside the lower cup 11 such that a center line of the circulation water inlet pipe 3 coincides with a center line of the lower cup 11. However, the circulating water inlet pipe 3 is not limited to the central position of the lower cup 11, that is, the central line of the circulating water inlet pipe 3 may be arranged eccentrically to the central line of the lower cup 11.

As shown in fig. 3, the top of filtering component 12 is provided with flange 13 that upwards projects lower water cup 11, be equipped with draw-in groove 14 on flange 13, draw-in groove 14 forms the radial rotation stop gear between coupling assembling 4 and the circulation inlet channel 3, draw-in groove 14 is located circulation inlet channel 3 periphery, when coupling assembling 4 is connected with circulation inlet channel 3, draw-in groove 14 joint in coupling assembling 4 periphery, coupling assembling 4 embedding draw-in groove 14 is in order to inject coupling assembling 4 and the relative installation angle of circulation inlet channel 3. Through limit structure and the integrative setting of filtering component 12, simple structure, easy preparation, such limit structure make full use of filtering component 12's top structure moreover, spray arm 2 with circulate inlet channel 3 be connected before alright with inject installation angle through draw-in groove 14 to spray arm 2 and the accurate counterpoint installation of circulation inlet channel 3.

Specifically, as shown in fig. 1 and 2, the first connecting piece 9 is connected to the spray arm 2, the second connecting piece 10 is connected to the circulating water inlet pipe 3, and the channel in the circulating water inlet pipe 3, the first connector 5, the second connector 6 and the channel in the spray arm 2 are sequentially communicated to form a water inlet passage.

Through first connecting piece 9 and second connecting piece 10, can realize spray arm 2 and circulation inlet channel 3 be connected, and can realize the intercommunication of the passageway in spray arm 2 and the circulation inlet channel 3 to the water of circulation inlet channel 3 gets into spray arm 2 that can 360 rotations through the water channel of coupling assembling 4, thereby on spraying the tableware in the bowl basket with water, reaches the purpose of wasing the tableware.

Wherein, as shown in fig. 5 and fig. 6, the second connecting piece 10 can be fixed at different positions of the first connecting piece 9, so that the relative positions of the rotation axis of the spray arm 2 and the central axis of the circulating water inlet pipe 3 can be changed, so that the sink dish-washing machine can adapt to the common water trough with the existing central position of the lower water cup 11 and the central position of the sink eccentrically misaligned, so that the central position of the circulating water inlet pipe 3 and the central position of the lower water cup 11 are coincided, the rotation axis of the spray arm 2 and the central axis of the sink are coincided, the washing effect of the sink dish-washing machine is improved, the universality of the sink dish-washing machine is improved, the sink dish-washing machine can be reformed and upgraded by utilizing the existing common water.

As shown in fig. 5-7, the connecting assembly 4 is provided with a water passing cavity 15, the water passing cavity 15 is provided with an opening 16, the first connector 5 is always communicated with the second connector 6 through the opening 16, and the distance between the first connector 5 and the second connector 6 is adjustable within the area of the opening 16.

Specifically, one of the first connecting member 9 and the second connecting member 10 forms a water passing chamber 15, and the other of the two sealingly engages with an opening 16 of the water passing chamber 15. Alternatively, the water passing cavity 15 can also be formed by splicing the first connecting piece 9 and the second connecting piece 10. As shown in fig. 7, a sealing ring 17 is disposed between the first connector 9 and the second connector 10 to seal the joint between the first connector 9 and the second connector 10 and prevent water leakage at the joint. In order to ensure the sealing effect between the first connecting piece 9 and the second connecting piece 10, the sealing ring 17 between the two connecting pieces may be an annular sealing rubber ring or may be formed by gluing.

Specifically, as shown in fig. 5-7, the opening 16 of the water passing cavity 15 is kidney-shaped, in the length direction of the opening 16, the first connecting piece 9 and the second connecting piece 10 are slidably connected, and in the plane of the opening 16, the first connecting piece 9 and the second connecting piece 10 are linearly slidably or rotatably engaged by 180 °, fig. 5 is a sectional view when the first port 5 and the second port 6 are coaxial up and down, and fig. 6 is a sectional view when the second connecting piece 10 in fig. 5 is rotated by 180 °. Optionally, the first connecting piece 9 and the second connecting piece 10 are adjustable in any direction of circumferential angle rotation, the adjusting mode is increased, the adjusting position is increased, and the universality is stronger.

Specifically, the first interface 5 and the second interface 6 are within the adjustable range, and the projection in the plane of the opening 16 is always located in the opening 16. First interface 5 is the circular port with second interface 6, crosses opening 16 of water cavity 15 and is waist type hole, and the width in waist type hole equals with the diameter of circular port, and the length in waist type hole (length direction and width direction are perpendicular) is greater than the diameter of circular port, and like this, second connecting piece 10 fixes when the different positions department of first connecting piece 9, and the circular port can communicate with the different positions of the length direction in waist type hole, makes first interface 5 can keep communicating with second interface 6 all the time.

Specifically, first connecting piece 9 and second connecting piece 10 sliding fit are equipped with the spacing portion of slip in both slip strokes on coupling assembling 4, and the spacing portion of slip limits first connecting piece 9 and the sliding displacement of second connecting piece 10 to the interval of control first interface 5 and second interface 6, thereby prescribes a limit to the relative position of the axis of rotation of spray arm 2 and the central axis of circulation inlet channel 3, guarantees spray arm 2 rotational stability in the dish washer working process.

Specifically, the spacing portion that slides includes according to setting for the spacing locating type of interval and sliding spacing portion in the slip stroke, the spacing portion that slides of locating type is including setting up the screw hole on first connecting piece 9 and second connecting piece 10, the screw hole is arranged according to setting for the interval, the screw runs through the screw hole with spacing first connecting piece 9 of locking and second connecting piece 10, run through the screw hole with spacing first connecting piece 9 of locking and second connecting piece 10 through the screw, make first connecting piece 9 and second connecting piece 10 be removable installation, so that coupling assembling 4 used repeatedly, can also make things convenient for the maintenance to change the accessory.

Specifically, the first connector 9 and the second connector 10 are connected by screws. One of the first connecting piece 9 and the second connecting piece 10 is provided with a plurality of first threaded holes 18, the other one is provided with at least one second threaded hole 19, and a screw can pass through the second threaded hole 19 and then is in threaded connection with the first threaded hole 18. Further, the plurality of first threaded holes 18 are arranged in at least one row, and the second threaded holes 19 are kidney-shaped holes having a length greater than the diameter of the first threaded holes 18.

As shown in fig. 7, the first connecting member 9 is provided with eight threaded columns 20, each threaded column 20 is provided with one first threaded hole 18, and the eight first threaded holes 18 are arranged in two rows. The second connecting piece 10 is provided with four waist-shaped second threaded holes 19 which are arranged in two rows.

Wherein, the distance between the center lines of two adjacent first threaded holes 18 in the same row is L1, the distance between the centers of the circular arc portions at both ends of the second threaded hole 19 is L2, L1 may be equal to L2, or L1 may be smaller than L2.

It can be understood that the sliding limiting part comprises an adjustable sliding limiting part which is limited at any interval in the sliding stroke, the adjustable sliding limiting part comprises locking buckles arranged on the first connecting piece 9 and the second connecting piece 10, and the locking buckles are locked and limited on the first connecting piece 9 and the second connecting piece 10 at any position in the sliding stroke. The first connecting piece 9 and the second connecting piece 10 can be connected in a viscose mode so as to solve the problem that the center line of the water tank is eccentric with the center of the lower water cup 11, and an installer can adjust the distance in a stepless mode according to the actual eccentric distance of the common water tank in the installation process, so that the superposition of the rotation axis of the spray arm 2 and the center line of the water tank can be met, and tableware can be sprayed and cleaned better.

It will be appreciated that the dishwasher may also be a built-in dishwasher or a table dishwasher.

Example two:

the difference between this embodiment and the first embodiment is: the first connecting member is different in structure.

As shown in fig. 8 and 9, the first connecting member 9 is a split structure and includes a first housing 21 and a second housing 22 that are fixedly connected, the water passing cavity 15 is located on the first connecting member 9 and is formed by splicing the first housing 21 and the second housing 22, the opening 16 of the water passing cavity 15 is arranged on the second housing 22 below, a sealing ring 17 is arranged between the second connecting member 10 and the second housing 22, and the second connecting member 10 moves relative to the second housing 22 to adjust the relative positions of the first port 5 and the second port 6.

One of the first and

second links

9, 10 is rotatably connected to the spray arm 2 via a bearing 23. The bearing 23 is used for connection, so that the rotating resistance of the spray arm 2 can be reduced, the phenomenon that the spray arm 2 does not rotate is effectively prevented, and the spraying process is more stable.

Specifically, as shown in fig. 9, an inner ring of the bearing 23 is inserted into the inlet pipe of the spray arm 2, the bearing 23 and the inlet pipe of the spray arm 2 are coaxial, and the inlet pipe of the spray arm 2 and the inner ring of the bearing 23 are tightly fitted and connected. Wherein, be provided with buckle 24 on the entrance pipeline of spray arm 2, the lock is on the terminal surface of the inner ring of bearing 23, prevents that spray arm 2 from taking off.

The second housing 22 of the first connecting part 9 is in a tight-fitting connection with the outer ring of the bearing 23. Wherein, the upper end of the second shell 22 extends towards the center direction to form a closing-in upper edge, and the closing-in upper edge is wrapped on moving parts such as an outer ring and a roller of the bearing 23, so as to reduce the problems of water leakage of a water inlet passage and low pressure drop of spraying water in the spraying process.

As shown in fig. 8 and 9, the other of the first connecting member 9 and the second connecting member 10 is provided with a fool-proof portion 25, and the water inlet pipe is provided with a fool-proof mating portion mating with the fool-proof portion 25.

Specifically, the second connecting piece 10 connected with the circulating water inlet pipeline 3 is provided with a fool-proof part 25, and the fool-proof part 25 can be a bulge; the circulation water inlet pipeline 3 is provided with a fool-proof matching part which can be a groove.

Because the eccentric distance between the center line of basin and the center of lower water glass 11 has the directionality, consequently, when spray arm 2 is connected to circulation inlet channel 3, do the direction structure through the cooperation of fool-proof portion 25 with fool-proof cooperation portion between spray arm 2 and circulation inlet channel 3 and prevent fool, in order to realize connecting the back through coupling assembling 4, spray arm 2 can be located circulation inlet channel 3's correct angular direction, in order to guarantee that the axis of rotation of spray arm 2 coincides with the center line of basin, reach spray arm 2 and effectively spray the purpose of washing the tableware.

Other undescribed features and technical effects in this embodiment are the same as those in the first embodiment, and are not described herein again.

Example three:

the difference between this embodiment and the first embodiment is: the connection relation of the connecting component, the spray arm and the circulating water inlet pipeline is different.

In this embodiment, the connecting assembly 4 is inverted, as shown in fig. 10, so that the first connecting piece 9 located below is connected to the water inlet pipe and the second connecting piece 10 located above is connected to the spray arm 2. At the moment, the channel in the circulating water inlet pipeline 3, the first interface 5, the second interface 6 and the channel in the spray arm 2 are sequentially communicated, so that a communicated water inlet passage is formed between the circulating water inlet pipeline 3 and the spray arm 2, spray water is conveyed to the spray arm 2, and tableware is sprayed and washed, so that the cleaning purpose is achieved.

The first connecting piece 9 and the circulating water inlet pipeline 3 can be fixed by attracting a magnet and a magnet (or an iron sheet), and the second connecting piece 10 and the spray arm 2 are fixed by rotating through buckling a buckle 24. The first connecting member 9 may be an integral structure or a split structure, and includes a first housing 21 and a second housing 22.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, i.e. all equivalent variations and modifications made by the present invention are covered by the scope of the claims of the present invention, which is not limited by the examples herein.

Claims

1. The utility model provides a rotation axis adjustable dish washer, includes spray arm and circulation inlet channel, spray arm has the rotation axis, the circulation inlet channel has the central axis, a serial communication port, dish washer still is equipped with the intercommunication the circulation inlet channel with spray arm's coupling assembling, be equipped with on the coupling assembling respectively with the coaxial first interface of rotation axis and with the coaxial second interface of central axis, spray arm rotate connect in on the first interface, second interface connection the circulation inlet channel, coupling assembling first interface with the interval of second interface is adjustable.

2. The dishwasher of claim 1, wherein the dishwasher bottom wall is provided with a lower cup, the circulating water inlet pipeline penetrates through the lower cup, a filter assembly sleeved outside the circulating water inlet pipeline is further arranged in the lower cup, and the rotation axis is arranged in parallel with the central axis.

3. The dishwasher of claim 2, wherein a flange protruding upwards from the lower water cup is disposed at the top end of the filter assembly, a clamping groove is disposed on the flange, and when the connection assembly is connected with the circulation water inlet pipeline, the connection assembly is embedded in the clamping groove to limit the relative installation angle of the connection assembly and the circulation water inlet pipeline.

4. The dishwasher of claim 1, wherein the connection assembly comprises a first connector and a second connector which are adjustable in relative position and are in sealing fit, the first port is arranged on the first connector, the second port is arranged on the second connector, and the first port is always communicated with the second port within an adjustable range.

5. The dishwasher of claim 4, wherein the connecting assembly is provided with a water passing cavity, the water passing cavity is provided with an opening, the first interface is always communicated with the second interface through the opening, and the distance between the first interface and the second interface is adjustable in the area of the opening.

6. The dishwasher of claim 5, wherein the opening is kidney-shaped, the first and second connectors are slidably connected in a length direction of the opening, and the first and second connectors are rotatably engaged by 180 ° in a plane of the opening.

7. The dishwasher of claim 5, wherein the first interface and the second interface are within the adjustable range, and a projection in a plane of the opening is always located within the opening.

8. The dishwasher according to any one of claims 4 to 7, wherein the first connecting member is slidably engaged with the second connecting member, and the connecting member is provided with a sliding limiting portion in sliding strokes of the first connecting member and the second connecting member, and the sliding limiting portion limits sliding displacement of the first connecting member and the second connecting member so as to control a distance between the first interface and the second interface.

9. The dishwasher of claim 8, wherein the sliding limiting part comprises a positioning type sliding limiting part which limits the sliding stroke according to a set distance, the positioning type sliding limiting part comprises threaded holes which are arranged on the first connecting piece and the second connecting piece and are arranged according to a set distance, and screws penetrate through the threaded holes to lock the first connecting piece and the second connecting piece.

10. The dishwasher of any one of claims 1 to 7, wherein the connecting assembly is detachably connected to the circulation inlet pipe through a magnetic attraction connecting structure, the magnetic attraction connecting structure comprises a first connecting body disposed on the circulation inlet pipe and a second connecting body disposed on the second connector, and the second connecting body and the first connecting body are magnetically attracted to connect the connecting assembly to the circulation inlet pipe.