CN220344360U

CN220344360U - Spraying structure for cleaning machine and cleaning machine

Info

Publication number: CN220344360U
Application number: CN202321965629.0U
Authority: CN
Inventors: 朱文杰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-07-24
Filing date: 2023-07-24
Publication date: 2024-01-16
Anticipated expiration: 2033-07-24

Abstract

The utility model relates to a spray structure for a cleaning machine and the cleaning machine, wherein the spray structure for the cleaning machine comprises a spray arm, a fixed seat is arranged on a second wall plate at a position corresponding to each spray hole, and a first water passing hole in fluid communication with the corresponding spray hole is formed in the wall plate of the fixed seat; each fixed seat is correspondingly provided with a movable seat, and a second water passing hole communicated with the corresponding first water passing hole is formed in the movable seat; and the power output end is linked with each movable seat and used for driving each movable seat to rotate relative to the corresponding fixed seat, and the rotation axis of each movable seat extends along the outer wall surface of the second wall plate and is intersected with the arrangement direction of the two spraying holes. The two movable seats simultaneously rotate relative to the corresponding fixed seats, at the moment, the water spraying angles of the second water holes on the movable seats simultaneously change, and the water spraying range is enlarged.

Description

Spraying structure for cleaning machine and cleaning machine

Technical Field

The utility model belongs to the technical field of household washing, and particularly relates to a spraying structure for a cleaning machine and the cleaning machine.

Background

A washer is a device that sprays cold water or hot water to dishes to remove dirt adhering to the dishes or fruits and to wash the dishes or fruits. The existing spray type cleaning machine generally realizes the spraying in all directions by rotating a spray arm.

The spray arm that present spray structure like chinese utility model patent "spray arm and the cleaning machine that contains it" of applicant's prior application, its patent number ZL202021185060.2 (grant publication No. CN 212853392U) discloses is set up in the bottom of cleaning machine, the spray arm includes the spray arm body, the upper surface of spray arm body is equipped with a plurality of spray holes. The spraying hole in the patent is fixed in water spraying direction, only a spraying water column with a fixed angle can be generated at the moment, the cleaning mode is single, the cleaning range is small, and the cleaning effect is limited.

Therefore, there is a need for further improvements to existing spray structures.

Disclosure of Invention

The first technical problem to be solved by the present utility model is to provide a spray structure for a cleaning machine, which changes the cleaning angle, according to the state of the art.

The second technical problem to be solved by the utility model is to provide a cleaning machine with the spraying structure.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a spray structure for cleaning machine, including:

the spray arm is hollow and is provided with a flow channel extending along the length direction, a first wall plate of the spray arm is provided with a water inlet channel communicated with the flow channel, and a second wall plate opposite to the first wall plate of the spray arm is provided with two spray holes which are arranged at intervals;

the method is characterized in that: the second wall plate is provided with a fixed seat at the position corresponding to each spraying hole, and a first water passing hole in fluid communication with the corresponding spraying hole is formed in the wall plate of the fixed seat;

each fixed seat is correspondingly provided with a movable seat, a second water passing hole communicated with the corresponding first water passing hole is formed in the movable seat, and the second water passing hole is positioned at the downstream of the first water passing hole along a water flow path;

and the power output end of the linkage assembly is linked with the two movable seats and is used for driving the two movable seats to rotate relative to the corresponding fixed seats, and the rotating axis of the movable seat extends along the outer wall surface of the second wall plate and is intersected with the arrangement direction of the two spraying holes.

Preferably, the two spray holes are arranged along the length direction of the spray arm, and the rotation axis of the movable seat is perpendicular to the length direction of the spray arm.

The linkage assembly has various structural forms, but preferably, the linkage assembly comprises a connecting rod which is arranged to move back and forth along the length direction of the spray arm and two gears which are arranged at intervals along the length direction of the connecting rod, the connecting rod extends along the length direction of the spray arm, each movable seat is provided with one gear, and the connecting rod is provided with racks which are meshed with the corresponding gears at positions corresponding to the gears.

In order to realize the rotation reliability of the movable seat, the linkage assemblies are provided with two groups, the two groups of linkage assemblies are arranged at intervals along the length direction of the rotation axis of the movable seat, the connecting rods of the two groups of linkage assemblies are connected through connecting pieces, each movable seat is provided with two gears which are coaxially arranged, and the axis of each gear is the rotation axis of the movable seat. Thus, the linkage of the two groups of linkage components can be realized.

The connecting piece may take the form of a rod-like structure or a connecting plate, but preferably it is a connecting plate between two movable seats, the connecting plate being integral with the two connecting rods.

The pinion may be located between the rack and the movable seat or between the rack and the second web of the spray arm, but preferably the pinion is located between the corresponding rack and the second web of the spray arm.

Preferably, the second water passing hole of the movable seat extends along the length direction of the rotation axis of the movable seat.

In order to realize the resetting of the connecting rod, the device also comprises an elastic piece which enables the connecting rod to always have inward movement trend along the moving direction of the connecting rod, and the elastic piece acts on the connecting rod.

In order to reliably realize the resetting of the connecting rod, each group of linkage assemblies corresponds to one group of elastic pieces.

The elastic piece can only adopt the form of spring, also can only adopt the form of extension spring, still can adopt spring and extension spring simultaneously, but preferably be provided with on the outer wall surface of the second wallboard of spray arm along the length direction of spray arm is from inside to outside interval arrangement's first support and second support, be provided with on the connecting rod and be located connecting portion between first support and the second support, the elastic piece is including extension spring and spring, the extension spring is located between connecting portion and the first support, the spring is located between connecting portion and the second support.

In order to enable the movable seat to rotate more smoothly, the outer wall surface of the fixed seat is an arc-shaped surface arched towards the direction away from the second wall plate, the first water passing hole is formed in the arc-shaped surface, and the inner wall surface of the movable seat is matched with the arc-shaped surface so as to move along the arc-shaped surface.

Preferably, the first water passing hole extends along the movement direction of the second water passing hole of the movable seat and is always communicated with the second water passing hole.

Further preferably, the arrangement direction of the first wall plate and the second wall plate of the spray arm is a first direction, and the projection of the second water passing hole along the first direction is located in the first water passing hole.

The second wall plate may be located above the first wall plate or below the first wall plate, but preferably, the second wall plate is located above the first wall plate, and the movable seat is located above the fixed seat.

The utility model solves the second technical problem by adopting the technical proposal that: the utility model provides a cleaning machine, including box and spray structure, the inside of box has the washing cavity, spray structure is located in the washing cavity, its characterized in that: the spray structure is characterized in that a water inlet passage of the spray arm can be rotatably arranged on a wall plate of the washing chamber through a mounting seat, and the spray holes are arranged offset from the rotation axis of the spray arm.

Compared with the prior art, the utility model has the advantages that: two spray holes all are provided with the fixing base in this spraying structure, and every fixing base corresponds a movable seat, has seted up the second that is linked together with the first water hole of walking on the corresponding fixing base on the movable seat and walks the water hole, and two movable seats are linked through the linkage subassembly, then two movable seats rotate corresponding the fixing base relatively simultaneously, and at this moment, the water spray angle of the second water hole of walking on each movable seat changes simultaneously, has increased the water spray scope, avoids appearing wasing the dead angle, has obtained better cleaning performance.

Drawings

Fig. 1 is a schematic structural diagram of a spray structure of the present embodiment;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a schematic perspective exploded view of fig. 1.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

The cleaning machine of this embodiment is including box and spraying the structure, and the box is inside to have the washing cavity, sprays the structure and is located the washing cavity.

As shown in fig. 1 to 3, the spraying structure of the present embodiment includes a spray arm 1, a fixed seat 2, a movable seat 3, a linkage assembly 4 and an elastic member 5. The spray arm 1 is rotatably disposed at a position adjacent to the bottom of the washing chamber, and the installation mode and rotation mode of the spray arm are the same as those of the prior art, and detailed description thereof will not be repeated in this embodiment. The spray arm 1 is hollow and formed with a flow passage 10 extending along the length direction thereof, a first wall plate 11 of the spray arm 1 is provided with a water inlet passage 111 communicated with the flow passage 10 at a position near the center, and the spray arm 1 is provided with two spray holes 120 arranged at intervals along the length direction of the spray arm 1 on a second wall plate 12 opposite to the first wall plate 11, and the spray holes 120 are communicated with the flow passage 10. Typically the water inlet channel of the spray arm is rotatably mounted to the wall of the washing chamber by means of a mounting, the axis of rotation of the spray arm being the axis of the water inlet channel, the spray holes 120 being arranged offset from the axis of rotation of the spray arm 1. In the present embodiment, the second wall plate 12 is located above the first wall plate 11.

As shown in fig. 2 and 3, the second wall plate 12 is provided with a fixing seat 2 at a position corresponding to each spray hole 120, and the fixing seat 2 is formed at the corresponding spray hole 120. The wall plate of the fixing seat 2 is provided with a first water passing hole 21 which is in fluid communication with the corresponding spraying hole 120. Each fixed seat 2 is provided with a movable seat 3, and the movable seat 3 is positioned above the fixed seat 2. The movable seat 3 is provided with a second water passing hole 31 communicated with the corresponding first water passing hole 21, and the second water passing hole 31 of the movable seat 3 extends along the length direction of the rotation axis of the movable seat 3. The first water passing hole 21 extends along the movement direction of the second water passing hole 31 of the movable seat 3 and is always communicated with the second water passing hole 31. The arrangement direction of the first wall plate 11 and the second wall plate 12 of the spray arm 1 is a first direction, and the projection of the second water passing hole 31 along the first direction is positioned in the first water passing hole 21. Along the water flow path, the second water passing hole 31 is located downstream of the corresponding first water passing hole 21.

As shown in fig. 1 to 3, the power output end of the linkage assembly 4 is linked with each movable seat 3 and is used for driving each movable seat 3 to rotate relative to the corresponding fixed seat 2. In this embodiment, the movable seat 3 is rotationally constrained to the corresponding fixed seat 2. The upper wall surface of the fixed seat 2 is an arc surface 20 arched towards the direction far away from the second wall plate 12, the first water passing hole 21 is formed on the arc surface 20, and the inner wall surface of the movable seat 3 is matched with the arc surface 20 to move along the arc surface 20. The rotation axis of the movable seat 3 extends along the outer wall surface of the second wall plate 12 and intersects the arrangement direction of the two shower arm holes 120, i.e., intersects the longitudinal direction of the shower arm 1. In the present embodiment, the rotation axis of the movable seat 3 is perpendicular to the length direction of the shower arm 1.

As shown in fig. 1 and 3, the linkage assembly 4 has two sets and is arranged at intervals along the length direction of the rotation axis of the movable base 3. The two sets of linkage assemblies 4 have the same structure, and one set of linkage assemblies 4 will be described below as an example. The linkage assembly 4 includes a link 41 arranged to move back and forth along the length of the spray arm 1 and two gears 42 spaced apart along the length of the link 41, the link 41 extending along the length of the spray arm 1. Because the spray holes are arranged offset from the rotation axis of the spray arm, the connecting rod moves under the action of centrifugal force during the rotation of the spray arm. Each movable seat 3 is provided with a gear 42, and the connecting rod 41 is provided with a rack 43 meshed with the corresponding gear 42 at the position corresponding to the gear 42. In this embodiment, the gear 42 is located between the corresponding rack 43 and the second panel 12 of the shower arm 1. The connecting rods 41 of the two groups of linkage assemblies 4 are connected through connecting pieces, the connecting pieces are connecting plates 44 positioned between the two movable seats 3, and the connecting plates 44 and the two connecting rods 41 are integrated. Each movable seat 3 corresponds to two gears 42 which are coaxially arranged, and the axis of the gears 42 is the rotation axis of the movable seat 3.

In order to guide the movement of the link, as shown in fig. 1 and 3, a guide bar 121 extending along the length direction of the shower arm 1 is provided on the second wall 12 of the shower arm 1, and the connection plate 44 has a guide groove 441 in guide engagement with the guide bar at a position corresponding to the guide bar 121. In this way, the guide of the link is achieved by the guide engagement of the guide bar 121 and the guide groove 441.

The elastic member 5 described above causes the link 41 to always have a tendency to move inward in the direction of movement thereof, and the elastic member 5 acts on the link 41. Each set of linkage assemblies 4 corresponds to a set of elastic members 5. In this embodiment, as shown in fig. 1 to 3, a first support 13 and a second support 14 are disposed on an outer wall surface of a second wall plate 12 of the shower arm 1 at intervals from inside to outside along a length direction of the shower arm 1, a connecting portion 411 is disposed on the connecting rod 41 between the first support 13 and the second support 14, the elastic member 5 includes a tension spring 51 and a spring 52, the tension spring 51 is disposed between the connecting portion 411 and the first support 13, and the spring 52 is disposed between the connecting portion 411 and the second support 14.

When the rotation speeds of the spray arms are different, the connecting rod transversely moves outwards under the action of centrifugal force, the rotation of the two movable seats 3 is realized through the meshing of the racks and the gears, and the two movable seats 3 respectively rotate around the corresponding fixed seat 2, so that the water spraying angle of the second water passing hole on the movable seat 3 is changed.

In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

Claims

1. A spray structure for cleaning machine, including:

a spray arm (1) with a flow channel (10) extending along the length direction thereof and hollow inside, wherein a first wall plate (11) of the spray arm (1) is provided with a water inlet channel (111) communicated with the flow channel (10), and the spray arm (1) is provided with two spray holes (120) on a second wall plate (12) opposite to the first wall plate (11);

the method is characterized in that: the second wall plate (12) is provided with a fixed seat (2) at the position corresponding to each spraying hole (120), and a first water passing hole (21) in fluid communication with the corresponding spraying hole (120) is formed in the wall plate of the fixed seat (2);

each fixed seat (2) is correspondingly provided with a movable seat (3), a second water passing hole (31) communicated with the corresponding first water passing hole (21) is formed in the movable seat (3), and the second water passing hole (31) is positioned at the downstream of the first water passing hole (21) along a water flow path;

the power output end of the linkage assembly (4) is linked with the two movable seats (3) and is used for driving the two movable seats (3) to rotate relative to the corresponding fixed seats (2), and the rotation axis of the movable seats (3) extends along the outer wall surface of the second wall plate (12) and is intersected with the arrangement direction of the two spraying holes (120).

2. The spray structure of claim 1, wherein: the two spraying holes (120) are arranged at intervals along the length direction of the spraying arm (1), and the rotation axis of the movable seat (3) is perpendicular to the length direction of the spraying arm (1).

3. The spray structure of claim 2, wherein: the linkage assembly (4) comprises a connecting rod (41) and two gears (42), wherein the connecting rod (41) is arranged to move back and forth along the length direction of the spray arm (1), the two gears (42) are arranged at intervals along the length direction of the connecting rod (41), the connecting rod (41) extends along the length direction of the spray arm (1), each movable seat (3) is provided with one gear (42), and the positions of the connecting rod (41) corresponding to the gears (42) are respectively provided with racks (43) meshed with the corresponding gears (42).

4. A spray structure according to claim 3, wherein: the two groups of linkage assemblies (4) are arranged at intervals along the length direction of the rotation axis of the movable seat (3), the connecting rods (41) of the two groups of linkage assemblies (4) are connected through connecting pieces, each movable seat (3) is correspondingly provided with two gears (42) which are coaxially arranged, and the axis of each gear (42) is the rotation axis of the movable seat (3).

5. The spray structure of claim 4, wherein: the connecting piece is a connecting plate (44) positioned between the two movable seats (3), and the connecting plate (44) and the two connecting rods (41) are integrated.

6. A spray structure according to claim 3, wherein: the gear (42) is located between the corresponding rack (43) and the second web (12) of the shower arm (1).

7. The spray structure of claim 1, wherein: the second water passing hole (31) of the movable seat (3) extends along the length direction of the rotation axis of the movable seat (3).

8. A spray structure according to claim 3, wherein: the connecting rod (41) is provided with an elastic piece (5) which enables the connecting rod (41) to always have inward movement trend along the moving direction, and the elastic piece (5) acts on the connecting rod (41).

9. The spray structure of claim 8, wherein: each group of linkage components (4) is corresponding to one group of elastic components (5).

10. The spray structure of claim 9, wherein: the novel shower arm is characterized in that a first support (13) and a second support (14) which are arranged at intervals from inside to outside in the length direction of the shower arm (1) are arranged on the outer wall surface of a second wall plate (12) of the shower arm (1), a connecting portion (411) between the first support (13) and the second support (14) is arranged on the connecting rod (41), the elastic piece (5) comprises a tension spring (51) and a spring (52), the tension spring (51) is located between the connecting portion (411) and the first support (13), and the spring (52) is located between the connecting portion (411) and the second support (14).

11. The spray structure of claim 1, wherein: the outer wall surface of the fixed seat (2) is an arc-shaped surface (20) arched towards the direction away from the second wall plate (12), the first water passing hole (21) is formed in the arc-shaped surface (20), and the inner wall surface of the movable seat (3) is matched with the arc-shaped surface (20) so as to move along the arc-shaped surface (20).

12. The spray structure of claim 1, wherein: the first water passing hole (21) extends along the movement direction of the second water passing hole (31) of the movable seat (3) and is always communicated with the second water passing hole (31).

13. The spray structure of claim 1, wherein: the arrangement direction of the first wall plate (11) and the second wall plate (12) of the spray arm (1) is a first direction, and the projection of the second water passing hole (31) along the first direction is positioned in the first water passing hole (21).

14. The spray structure of any one of claims 1 to 13, wherein: the second wall plate (12) is located above the first wall plate (11), and the movable seat (3) is located above the fixed seat (2).

15. The utility model provides a cleaning machine, including box and spray structure, the inside of box has the washing cavity, spray structure is located in the washing cavity, its characterized in that: the spraying structure is as claimed in any one of claims 1 to 14, the water inlet channel (111) of the spraying arm (1) is rotatably arranged on the wall plate of the washing chamber through a mounting seat, and the spraying holes (120) are arranged offset from the rotation axis of the spraying arm (1).