CN218684250U

CN218684250U - A spray structure and cleaning machine for cleaning machine

Info

Publication number: CN218684250U
Application number: CN202222002531.7U
Authority: CN
Inventors: 朱文杰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2023-03-24
Anticipated expiration: 2032-07-28

Abstract

The utility model relates to a spray structure and cleaning machine for cleaning machine, the spray structure includes the spray arm, and the inside cavity forms the runner, set up the inlet opening with runner phase fluid intercommunication on the spray arm, the spray arm has relative first lateral wall and the second lateral wall that sets up, and set up the orifice with runner phase fluid intercommunication on the first lateral wall of spray arm; the mounting seat is rotationally connected with the second side wall of the spray arm through a rotating shaft, and the supporting piece is arranged on the mounting seat and can be contacted with the second side wall of the spray arm; and the elastic piece acts on the support piece, so that the support piece always keeps the trend of moving towards the second side wall of the spraying arm. The support piece can abut against the second side wall of the spray arm, so that the spray arm can be prevented from inclining, and the support piece is arranged on the mounting seat without changing the original structure of the spray arm; in addition, the support piece is in elastic contact with the spray arm, so that friction loss to the spray arm is reduced, and influence on rotation of the spray arm is reduced.

Description

A spray structure and cleaning machine for cleaning machine

Technical Field

The utility model relates to a can wash dish washer technical field of bowl dish, fruit vegetables, concretely relates to a spray structure and cleaning machine for cleaning machine.

Background

The dish washer is a device for washing tableware by spraying high-pressure washing water through a nozzle, generally comprises a dish washer liner forming a washing chamber, a tableware throwing opening is arranged in the front or at the top of the liner, a door body is arranged at the tableware throwing opening, and a tableware shelf, a spraying device and the like are arranged in the washing chamber.

In order to achieve a relatively ideal cleaning effect, the existing spraying device installed in the dish washing machine is generally a rotatable spraying arm, a plurality of spray holes are formed in the spraying arm, the spraying arm is rotatably connected to the inner container body and communicated with a water path, and water in the water path is sprayed out through the spray holes in the spraying arm to clean tableware placed in the inner container.

The spray holes on the spray arm are more in number, the angle directions of the spray holes are different, vibration or inclination can occur due to the reaction force of water flow of the spray holes in the operation process of the spray arm, and then the matching relation between the spray holes and the bowl frame is not accordant with the angle and the position of an expected design, so that certain influence can be generated on the cleaning capacity of the spray arm.

In order to solve the problems, the invention discloses a spraying arm connecting structure of a dish washing machine and a dish washing machine, which is disclosed in the Chinese invention patent application with the patent number of CN201710379349.4 (with the publication number of CN 108926308A), and comprises a spraying arm and a base fixed on an inner container, wherein the spraying arm is provided with an opening, the dish washing machine also comprises a spraying seat, the spraying seat is provided with a water flow channel, the bottom of the spraying seat is connected with the base, the spraying arm is sleeved on the spraying seat and is rotatably connected with the spraying seat, opposite rotating surfaces are arranged between the spraying seat and the spraying arm, homopolar magnetic materials are respectively arranged on the two rotating surfaces, and the repulsion action generated between the homopolar magnetic materials and the longitudinal resultant force of a water body are utilized to offset, so that the action of eliminating the friction between the upper rotating surface and the lower rotating surface is achieved, the structure of a spraying arm ring in the prior art is omitted, the structure is simpler, and the rotation of the spraying arm is more smooth.

Although inclination or vibration of the spray arm can be prevented through repulsion of homopolar magnetic materials, two oppositely arranged wall surfaces are needed for mounting the magnetic materials, one of the magnetic materials is inevitably arranged on the spray arm, and the original structure of the spray arm can be changed to a certain extent.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first technical problem that will solve is to prior art's current situation, provides a structure that sprays that is used for cleaning machine that can prevent to spray arm vibration or slope equally.

The utility model discloses the second technical problem that will solve is to prior art's current situation, provides a structure that sprays that is used for cleaning machine that need not to change the structure of spray arm.

The utility model aims to solve the third technical problem is to prior art's current situation, provides an use above-mentioned cleaning machine that sprays structure.

The utility model provides a technical scheme that above-mentioned first and second technical problem adopted is: the utility model provides a spray structure for cleaning machine which characterized in that: comprises that

The spraying arm is hollow inside to form a flow channel, a water inlet hole which is in fluid communication with the flow channel is formed in the spraying arm, the spraying arm is provided with a first side wall and a second side wall which are oppositely arranged, and a spray hole which is in fluid communication with the flow channel is formed in the first side wall of the spraying arm;

the mounting seat is rotatably connected with the second side wall of the spray arm through a rotating shaft;

it is characterized by also comprising

The supporting piece is arranged on the mounting seat and can be contacted with the second side wall of the spray arm;

and the elastic piece acts on the support piece, so that the support piece always keeps the trend of moving towards the second side wall of the spraying arm.

The support piece can be globular, also can be shaft-like, in above-mentioned scheme, support piece is the bracing piece, and on the mount pad was located to bracing piece first end, the second end was towards the second lateral wall of spray arm, the second end of bracing piece can contact with the second lateral wall of spray arm mutually, be equipped with spacing seat on the mount pad, the guiding hole has been seted up on the spacing seat, the bracing piece cartridge can be for the axial displacement of guiding hole in the guiding hole. The supporting piece is rod-shaped, so that the moving track of the supporting piece can be conveniently guided.

In order to limit the moving track of the support rod and prevent the support rod from interfering with the spray arm due to overlarge moving stroke under the action of the elastic piece and influencing the rotation of the spray arm, a blocking part extending along the radial direction of the support rod is arranged on the peripheral wall of the support rod and can be abutted against the inner wall surface of the limiting seat. When the blocking part is abutted against the limiting seat, the supporting rod cannot move continuously towards the spraying arm.

In order to facilitate the installation of the limiting seat on the installation seat, the limiting seat is provided with a buckling hole, the installation seat is provided with an extension arm extending towards the limiting seat, a buckling pin is formed at the end part of the extension arm, and the extension arm penetrates through the buckling hole and buckles the inner wall surface of the limiting seat in a reverse buckling mode through inwards squeezing the buckling pin. The buckle hole on the spacing seat aims at the knot foot on the mount pad like this, then lets the extension arm pass and detains the hole, detains the internal face of foot left-hand thread limit seat, realizes the installation of spacing seat and mount pad promptly, and the mounting means is swift simple.

In order to facilitate the installation of the support rod on the installation seat, an installation column extending towards the spray arm is arranged on the installation seat, and the support rod is inserted on the installation column; in order to facilitate the installation of the elastic piece, the elastic piece is a spring sleeved on the supporting rod, one end of the elastic piece is abutted against the installation seat, and the other end of the elastic piece is abutted against the blocking part.

Preferably, the end face of the second end of the supporting rod is spherical, so that the contact area between the supporting rod and the second side wall is reduced, and the interference of the supporting rod on the spray arm is reduced.

In the above scheme, the water inlet hole of the spray arm is formed in the second side wall of the spray arm, the rotating shaft axially extends from the periphery of the water inlet hole towards the direction far away from the spray arm, the rotating shaft is hollow and serves as a water inlet pipe, the mounting seat is provided with a mounting hole, and the rotating shaft is rotatably inserted into the mounting hole. Therefore, the rotating shaft can be used as a part connected with the mounting seat and can also be used as a water inlet part, so that the rotating shaft has multiple purposes, and the parts involved in a spraying structure are reduced.

In order to facilitate the rotating shaft to be rotatably installed on the installation seat, the free end of the rotating shaft is provided with at least two lateral outward protrusions arranged at intervals along the circumferential direction on the outer circumferential wall of the free end of the rotating shaft, the rotating shaft can be inserted into the installation hole by pressing the lateral outward protrusions inwards, and the lateral outward protrusions reversely buckle the corresponding inner wall surface of the spray arm in an inserted state. Like this with pivot cartridge in the mounting hole, at the cartridge in-process, the outside convex part of side receives the extrusion of mounting hole to warp inwards, treats that the outside convex part of side passes through the mounting hole after, the internal face of reconversion with the left-hand thread spray arm realizes the installation of spray arm and mount pad, and the mounting means is swift simple.

In order to facilitate the lateral outward convex part to be extruded and deformed by the mounting hole, the outer wall surface of the lateral outward convex part is a conical surface which is gradually reduced in diameter along the insertion direction of the rotating shaft.

In order to enable the spray arm to be stressed uniformly and further prevent the spray arm from vibrating or inclining, at least two support rods are arranged at intervals along the circumferential direction of the mounting seat.

The utility model provides a technical scheme that above-mentioned second technical problem adopted is: a cleaning machine is characterized in that: the spraying device comprises a box body and the spraying structure, wherein the mounting seat is fixedly mounted in the box body, and the spraying arm can rotate relative to the box body.

Compared with the prior art, the utility model has the advantages that: the utility model can be abutted against the second side wall of the spray arm by arranging the support piece, thus preventing the spray arm from inclining, and the original structure of the spray arm does not need to be changed as the support piece is arranged on the mounting seat; in addition, the support piece is in elastic contact with the spray arm, so that friction loss to the spray arm is reduced, and influence on rotation of the spray arm is reduced.

Drawings

Fig. 1 is a schematic structural view of a spraying structure according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 in another direction;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a cross-sectional view in the other direction of FIG. 2;

FIG. 6 is an enlarged view of FIG. 5 at B;

fig. 7 is a schematic structural view of the limiting seat in fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 7, the washing machine of the preferred embodiment is a dishwasher, and includes a housing (not shown in the figure) and a spraying structure, the spraying structure includes a mounting base 1 and a spraying arm 2 rotatably mounted on the mounting base 1, the mounting base 1 is fixedly mounted in the housing, and the spraying arm 2 can rotate relative to the housing.

As shown in fig. 3, a flow channel 21 is formed in the spray arm 2, the spray arm 2 has a first side wall 22 (i.e., an upper side wall) and a second side wall 23 (i.e., a lower side wall) which are oppositely arranged, the first side wall 22 of the spray arm 2 is provided with a plurality of spray holes 24 which are in fluid communication with the flow channel 21, and the second side wall 23 of the spray arm 2 is provided with a water inlet 25 which is in fluid communication with the flow channel 21. In this embodiment, the spray arm 2 is in a bar shape, and the spray holes 24 are arranged at intervals along the length direction of the spray arm 2.

The mounting base 1 is rotatably connected with the second side wall 23 of the spray arm 2 through a rotating shaft 26, in this embodiment, the rotating shaft 26 axially extends from the periphery of the water inlet 25 toward the direction away from the spray arm 2, the inside of the rotating shaft 26 is hollow and serves as a water inlet pipe, the mounting base 1 is provided with a mounting hole 11, the rotating shaft 26 is rotatably inserted into the mounting hole 11, and the inside of the mounting base 1 is hollow and is in fluid communication with a water supply component, such as a pump shell of a pump water assembly.

The free end of the rotating shaft 26 is provided with at least two lateral outward convex parts 261 arranged at intervals along the circumferential direction on the outer circumferential wall, the outer wall surface of the lateral outward convex part 261 is a conical surface 2611 gradually reducing in the inserting direction of the rotating shaft 26, the rotating shaft 26 can be inserted into the mounting hole 11 by pressing the lateral outward convex parts 261 inwards, and in the inserting state, the lateral outward convex parts 261 reversely buckle the inner wall surface of the corresponding spray arm 2. Therefore, the rotating shaft 26 is inserted into the mounting hole 11, in the inserting process, the lateral outward protruding portion 261 is extruded by the mounting hole 11 to deform inward, after the lateral outward protruding portion 261 passes through the mounting hole 11, the inner wall surface of the spray arm 2 is restored to the original state to be buckled reversely, the installation of the spray arm 2 and the mounting seat 1 is achieved, and the installation mode is fast and simple.

As shown in fig. 5 and 6, the mounting base 1 is provided with a limiting base 3, the limiting base 3 is provided with a buckling hole 31, the mounting base 1 is provided with an extension arm 12 extending towards the limiting base 3, a buckling pin 13 is formed at an end of the extension arm 12, an outer wall surface of the buckling pin 13 is an inclined surface with a gradually thinned wall thickness along an insertion direction of the extension arm 12, and the buckling pin 13 is pressed inwards to enable the extension arm 12 to penetrate through the buckling hole 31 and buckle the inner wall surface of the limiting base 3 in a reverse buckling mode through the buckling pin 13. Therefore, the buckling hole 31 in the limiting seat 3 is aligned to the buckling pin 13 in the mounting seat 1, then the extension arm 12 penetrates through the buckling hole 31, and the buckling pin 13 reversely buckles the inner wall surface of the limiting seat 3, so that the mounting of the limiting seat 3 and the mounting seat 1 is realized, and the mounting mode is rapid and simple.

In this embodiment, the stopper base 3 includes a connecting wall 33 extending in the axial direction of the mounting hole 11, and a first wall plate 34 and a second wall plate 35 respectively formed at both ends of the connecting wall 33, the first wall plate 34 is disposed adjacent to the first side wall 22 of the shower arm 2, the second wall plate 35 is disposed against the mounting base 1, the fastening hole 31 is disposed on the second wall plate 35, and the guide hole 32 is disposed on the first wall plate 34.

As shown in fig. 4, a guide hole 32 is formed in the limiting seat 3, a support rod 4 is inserted into the guide hole 32, a mounting post 14 extending toward the spray arm 2 is arranged on the mounting seat 1, one end of the support rod 4 is inserted into the mounting post 14, the other end of the support rod 4 penetrates through the guide hole 32 and faces the second side wall 23 of the spray arm 2, and the end face of the second end of the support rod 4 is spherical and can be in contact with the second side wall 23 of the spray arm 2.

The support rod 4 can move axially relative to the guide hole 32, the mounting seat 1 is provided with an elastic piece 5 acting on the support rod 4, and the support rod 4 always tends to move towards the second side wall 23 of the spray arm 2 under the action of the elastic piece 5.

The outer peripheral wall of the support rod 4 is provided with a stopper 41 extending in the radial direction thereof, and the stopper 41 can abut against the inner wall surface of the stopper holder 3. When the blocking part 41 abuts against the limit seat 3, the support rod 4 cannot move continuously towards the spray arm 2.

In this embodiment, the elastic element 5 is a spring sleeved on the support rod 4, one end of the spring abuts against the mounting seat 1, and the other end of the spring abuts against the blocking portion 41.

In order to make the force applied to the spray arm 2 uniform and further prevent the spray arm 2 from vibrating or tilting, at least two support rods 4 are provided, and correspondingly, at least two guide holes 32 are also provided and spaced along the circumference of the mounting base 1. In this embodiment, there are eight support rods 4.

When the spray arm 2 vibrates or inclines, the support rods 4 uniformly distributed in the circumferential direction support the spray arm 2 with certain force, so that the vibration and the inclination of the spray arm 2 are inhibited.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, since the disclosed embodiments of the invention can be arranged in different orientations, these directional terms are for illustrative purposes only and should not be considered as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter, referred to as a first portion and a second portion) in a unified manner, i.e., a fluid (gas, liquid or a mixture thereof) can flow along a flow path from the first portion or/and be transported to the second portion, and may be directly communicated between the first portion and the second portion, or indirectly communicated between the first portion and the second portion via at least one third member, which may be a fluid passage such as a pipe, a channel, a duct, a flow guide member, a hole, a groove, or a chamber allowing the fluid to flow therethrough, or a combination thereof.

Claims

1. The utility model provides a spray structure for cleaning machine which characterized in that: comprises that

The spray arm (2) is hollow inside to form a flow channel (21), a water inlet (25) which is in fluid communication with the flow channel (21) is formed in the spray arm (2), the spray arm (2) is provided with a first side wall (22) and a second side wall (23) which are oppositely arranged, and a spray hole (24) which is in fluid communication with the flow channel (21) is formed in the first side wall (22) of the spray arm (2);

the mounting seat (1) is rotatably connected with the second side wall (23) of the spray arm (2) through a rotating shaft (26);

it is characterized by also comprising

The supporting piece is arranged on the mounting seat (1) and can be in contact with the second side wall (23) of the spray arm (2);

and the elastic piece (5) acts on the support piece, so that the support piece always keeps the trend of moving towards the second side wall (23) of the spray arm (2).

2. The spray structure of claim 1, wherein: the support piece is a support rod (4), the first end of the support rod (4) is arranged on the mounting seat (1), the second end of the support rod faces the second side wall (23) of the spray arm (2), the second end of the support rod (4) can be in contact with the second side wall (23) of the spray arm (2), a limiting seat (3) is arranged on the mounting seat (1), a guide hole (32) is formed in the limiting seat (3), and the support rod (4) is inserted in the guide hole (32) and can move axially relative to the guide hole (32).

3. The spray structure of claim 2, wherein: the outer peripheral wall of the support rod (4) is provided with a blocking part (41) extending along the radial direction of the support rod, and the blocking part (41) can be abutted against the inner wall surface of the limiting seat (3).

4. The spray structure of claim 3, wherein: be equipped with on mount pad (1) and spray erection column (14) that arm (2) extend towards, bracing piece (4) cartridge is on erection column (14), elastic component (5) are for the cover establish the spring on bracing piece (4), and one end offsets with mount pad (1), and the other end offsets with fender portion (41).

5. The spray structure of claim 2, wherein: the limiting seat is characterized in that a buckling hole (31) is formed in the limiting seat (3), an extension arm (12) extending towards the limiting seat (3) is arranged on the mounting seat (1), buckling feet (13) are formed at the end of the extension arm (12), and the extension arm (12) penetrates through the buckling hole (31) and buckles the inner wall surface of the limiting seat (3) in a reverse buckling mode through inwards squeezing the buckling feet (13).

6. The spray structure of claim 2, wherein: the end surface of the second end of the support rod (4) is spherical.

7. The spray structure according to any one of claims 1 to 6, characterized in that: the water inlet hole (25) of the spray arm (2) is formed in the second side wall (23), the rotating shaft (26) axially extends from the periphery of the water inlet hole (25) towards the direction far away from the spray arm (2), the hollow inside of the rotating shaft (26) serves as a water inlet pipe, the mounting seat (1) is provided with a mounting hole (11), and the rotating shaft (26) is rotatably inserted into the mounting hole (11).

8. The spray structure of claim 7, wherein: the free end of the rotating shaft (26) is provided with at least two lateral outward protrusions (261) arranged at intervals along the circumferential direction on the outer circumferential wall, the rotating shaft (26) can be inserted into the mounting hole (11) by pressing the lateral outward protrusions (261) inwards, and in the inserted state, the lateral outward protrusions (261) reversely buckle the inner wall surface of the corresponding spray arm (2).

9. The spray structure of claim 7, wherein: the outer wall surface of the lateral outward convex part (261) is a conical surface (2611) which gradually shrinks along the insertion direction of the rotating shaft (26).

10. The spray structure according to any one of claims 2 to 6, characterized in that: the number of the support rods (4) is at least two, and the support rods are arranged at intervals along the circumferential direction of the mounting seat (1).

11. A cleaning machine is characterized in that: comprising a box and a spray structure according to any one of claims 1 to 10, wherein the mounting seat (1) is fixedly mounted in the box, and the spray arm (2) can rotate relative to the box.