CN220024954U - Spraying system for cleaning machine and cleaning machine - Google Patents

Abstract

The utility model relates to a spraying system for a cleaning machine and the cleaning machine, wherein the spraying system comprises a water supply pipe; a spray arm; the connecting ring is formed by butting a first half retaining ring and a second half retaining ring, the cross sections of which are arc-shaped, and the first half retaining ring and the second half retaining ring are restrained together through an inserting block and an inserting groove which are assembled in an inserting way under the butting state; the first half retaining ring is provided with a first lug at a position adjacent to the abutting surface of the first half retaining ring, the second half retaining ring is provided with a second lug opposite to the first lug at a position adjacent to the abutting surface of the second half retaining ring, the opposite first lug and the second lug are abutted to form one positioning block, one of the first lug and the second lug is provided with the inserting block, and the other one of the first lug and the second lug is provided with the inserting slot. The firm assembly of the first half buckle and the second half buckle can be ensured without arranging a connecting piece (such as a buckle piece in the prior art) for connecting the first half buckle and the second half buckle.

Description

Spraying system for cleaning machine and cleaning machine

Technical Field

The utility model relates to the technical field of dish washers, in particular to a spraying system for a cleaning machine and the cleaning machine.

Background

At present, a dishwasher on the market is generally provided with an upper spray arm and a lower spray arm in a washing cavity of the dishwasher. The upper spray arm and the lower spray arm are communicated with an internal circulation waterway of the dish washer through a water supply pipeline, and the water is rotationally sprayed under the pushing of water flow so as to spray and wash tableware loaded on the bowl basket. In the connection structure of the spray arm, particularly in the connection structure of the upper spray arm, the upper spray arm is generally suspended and fixed on the water outlet end of the water supply pipe of the water supply pipeline.

The dish washer and spray arm connection structure thereof disclosed in the Chinese patent publication No. CN202121982092.X (publication No. CN 215820849U) comprises: the waterway joint is arranged on an inner water pipe of the dish washer; the spray arm is provided with a water inlet communicated with the waterway joint; the connecting ring is sleeved on the periphery of the waterway joint, and the lower end of the connecting ring is arranged on the water inlet of the spray arm; the connecting ring comprises a first half retaining ring and a second half retaining ring which can be mutually spliced, and buckling holes are respectively formed in the first half retaining ring and the second half retaining ring; the buckling piece is buckled on buckling holes of the first half buckling ring and the second half buckling ring so as to mutually splice and fix the first half buckling ring and the second half buckling ring.

This patent is in order to guarantee that first half buckle and second half buckle are connected firmly, can not break away from easily, still need set up the fastener, and it is more to relate to the part, and the structure is comparatively complicated to the setting of fastener has still increased the degree of difficulty of taking off the go-between suit on waterway connector or from waterway connector.

Disclosure of Invention

The first technical problem to be solved by the utility model is to provide a spraying system for a cleaning machine, which can ensure reliable connection of two half-buckles without a clamping piece.

The second technical problem to be solved by the utility model is to provide a cleaning machine applying the spraying system aiming at the current state of the art.

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

a water supply pipe having a water outlet end;

the spray arm is provided with a water inlet channel for inserting the water outlet end of the water supply pipe, and the wall surface of the water inlet channel is provided with an axially extending positioning groove;

the connecting ring is axially inserted into the water inlet channel, sleeved on the periphery of the water outlet end of the water supply pipe in a relatively rotatable manner and relatively axially limited on the water outlet end of the water supply pipe, and a positioning block which can be restrained in the positioning groove is arranged on the peripheral wall of the connecting ring so as to relatively position the connecting ring and the water inlet channel in the circumferential direction;

the connecting ring is formed by butting a first half retaining ring and a second half retaining ring, the cross sections of which are arc-shaped, and the first half retaining ring and the second half retaining ring are restrained together through an inserted block and an inserted slot which are inserted and assembled in a butting state;

the wall surface of the first half retaining ring and the second half retaining ring, which are butted with each other, is called a butted surface, a first lug is arranged at a position adjacent to the butted surface of the first half retaining ring, a second lug opposite to the first lug is arranged at a position adjacent to the butted surface of the second half retaining ring, the first lug and the second lug which are opposite are butted with each other in the butted state of the first half retaining ring and the second half retaining ring form a positioning block, one of the first lug and the second lug is provided with an inserting block, and the other of the first lug and the second lug is provided with an inserting groove.

The positioning block is detachably restrained in the positioning groove for facilitating maintenance or replacement of the parts.

In order to realize that locating piece and constant head tank detachably installation, can link to each other through connecting pieces such as screw, but screw connection's mode dismouting is comparatively inconvenient, so the top at the spray arm is established to the passageway that intakes, be equipped with L type rib on the wall of passageway that intakes, the rib includes along the horizontal section of passageway circumference extension of intaking and along the vertical section of passageway axial extension that intakes, the upper end of vertical section links to each other with the first end of horizontal section, and the second end of horizontal section is equipped with the convex part that can be passed over by the locating piece under the exogenic action, horizontal section, vertical section and convex part enclose jointly into the constant head tank. The connecting ring is pre-inserted in the water inlet channel, then the spray arm or the connecting ring is rotated until the positioning block is vertically aligned with the positioning groove, and then the spray arm falls down for a certain distance under the action of gravity, so that the positioning block is restrained in the positioning groove.

In order to axially limit the connecting ring on the water supply pipe, a limiting part for axially limiting the connecting ring on the water outlet end of the water supply pipe is arranged on the water outlet end of the water supply pipe.

The limiting part can be in a block shape and is simple in structure, the limiting part is a circle of groove formed in the peripheral wall of the water outlet end of the water supply pipe, and the connecting ring is embedded in the groove.

In order to facilitate holding the connecting ring, lugs extending along the radial direction of the connecting ring are formed on the connecting ring, and in the state that the connecting ring is sleeved at the water outlet end of the water supply pipe, the lugs are positioned outside the water inlet channel and extend out of the groove. The user can thus effect the dismounting of the connection ring by holding the lugs.

In order to reduce the rotation resistance of the connecting ring, the water inlet channel is arranged at the top of the spray arm, the tops of the first half retaining ring and the second half retaining ring are respectively provided with a flange along the radial extension of the water inlet channel, the flanges are positioned outside the water inlet channel, convex ribs are arranged on the top wall surface of the flange along the circumferential direction of the top wall surface, and in the butt joint state of the first half retaining ring and the second half retaining ring, the convex ribs on the first half retaining ring and the second half retaining ring are in butt joint to form a circle, and the convex ribs can be in contact with the top wall surface of the groove. The connecting ring and the groove are in line contact, the contact area is small, and the friction resistance between the connecting ring and the water outlet end of the water supply pipe is small in the process that the connecting ring rotates along with the spray arm relative to the water outlet end of the water supply pipe, so that the connecting ring and the spray arm can smoothly rotate.

In order to further improve the connection firmness between the connecting ring and the water outlet end of the water supply pipe, the connecting ring is connected with the water outlet end of the water supply pipe through a limiting block and a limiting groove which can be detachably connected.

The limiting block and the limiting groove can be connected in various ways, the structure is simple, the disassembly and the assembly are convenient, the water inlet channel is arranged at the top of the spray arm, the limiting block is arranged on the peripheral wall of the connecting ring, the wall surface of the water inlet channel is provided with L-shaped limiting ribs, the limiting rib comprises a first section extending along the circumferential direction of the water inlet channel and a second section extending along the axial direction of the water inlet channel, the upper end of the second section is connected with the first end of the first section, the second end of the first section is provided with a bump which can be crossed by the limiting block under the action of external force, and the first section, the second section and the bump jointly enclose the limiting groove. The connecting ring is pre-inserted in the water inlet channel, then the spray arm or the connecting ring is rotated until the limiting block is vertically aligned with the limiting groove, and then the spray arm falls down for a certain distance under the action of gravity, so that the limiting block is restrained in the limiting groove.

The utility model solves the second technical problem by adopting the technical proposal that: the utility model provides an use above-mentioned spraying system's cleaning machine which characterized in that: the water supply pipe is fixed relative to the washing cavity.

Compared with the prior art, the utility model has the advantages that: according to the utility model, the insert block and the slot are respectively arranged on the first lug and the second lug which are in butt joint, so that the first lug and the second lug are in butt joint to form the positioning block, and the insert block and the slot are simultaneously restrained in the positioning slot under the condition that the positioning block is restrained in the positioning slot, so that the insert block and the slot are not easy to separate, and firm assembly of the first half-buckle ring and the second half-buckle ring can be ensured without arranging a connecting piece (such as a buckle piece in the prior art) for connecting the first half-buckle ring and the second half-buckle ring.

Drawings

FIG. 1 is a schematic diagram of a spray system according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a part of the structure of FIG. 1;

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

FIG. 4 is an exploded view of FIG. 3;

FIG. 5 is an exploded view of the attachment ring of FIG. 4;

fig. 6 is a schematic view of the spray arm of fig. 1.

Detailed Description

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

As shown in fig. 1 to 6, the cleaning machine of the present preferred embodiment includes a shower system provided in a cabinet (not shown) having a washing chamber.

The spraying system comprises a spraying arm 1, a water supply pipe 2 and a connecting ring 3, wherein the water supply pipe 2 is fixed relative to the washing cavity, the water supply pipe comprises a pipe body 21 and a pipe joint 22 connected with the pipe body 21, and the pipe joint 22 is the water outlet end of the water supply pipe 2.

The spray arm 1 is provided with a water inlet channel 12 which is in fluid communication with a flow channel in the spray arm 1, the water inlet channel 12 is arranged at the top of the spray arm 1, and the spray arm can adopt the existing structural form and is not described herein. The water inlet channel 12 can be a water inlet formed on the top wall of the spray arm 1, or can be a pipe body communicated with the spray arm 1.

The connecting ring 3 is rotatably sleeved on the water outlet end of the water supply pipe 2, and the connecting ring 3 is limited relative to the water outlet end of the water supply pipe 2 in the axial direction, in this embodiment, a circle of groove 221 is arranged on the peripheral wall of the water outlet end of the water supply pipe 2, and the connecting ring 3 is embedded in the groove 221, so that the connecting ring 3 is axially restrained on the water outlet end of the water supply pipe 2.

The connecting ring 3 can be inserted into the water inlet channel 12, the wall surface of the water inlet channel 12 is provided with a positioning groove 13 extending axially, the peripheral wall of the connecting ring 3 is provided with a positioning block 31 which can be restrained in the positioning groove 13, and the positioning block 31 can be detachably restrained in the positioning groove 13.

As shown in fig. 4 and 5, the connecting ring 3 is formed by butting two first half buckles 30a and second half buckles 30b each having circular arc-shaped cross sections, the wall surfaces of the first half buckles 30a and the second half buckles 30b butted with each other are called butted surfaces, the first half buckles 30a are provided with first protruding blocks 311a adjacent to the butted surfaces, the second half buckles 30b are provided with second protruding blocks 311b opposite to the first protruding blocks 311a adjacent to the butted surfaces, in the butted state of the first half buckles 30a and the second half buckles 30b, the first protruding blocks 311a and the second protruding blocks 311b opposite to each other are butted to form a positioning block 31, one of the first protruding blocks 311a and the second protruding blocks 311b is provided with inserting blocks 312, and the other of the first protruding blocks 311a and the second protruding blocks 311b is provided with inserting grooves 313, and the first half buckles 30a and the second half buckles 30b are restrained together by the inserting blocks 312 and the inserting grooves 313 in the butted state.

In a state where the positioning block 31 is restrained in the positioning groove 13, the insert 312 and the slot 313 are also restrained in the positioning groove 13 at the same time, so that the insert 312 and the slot 313 are not easily separated, the two first half buckles 30a and the second half buckles 30b can be firmly mounted together, and firm assembly of the two first half buckles 30a and the second half buckles 30b can be ensured without providing a connecting piece for connecting the first half buckles 30a and the second half buckles 30 b.

In this embodiment, an L-shaped rib 14 is disposed on a wall surface of the water inlet channel 12, the rib 14 includes a transverse section 141 extending along a circumferential direction of the water inlet channel 12 and a vertical section 142 extending along an axial direction of the water inlet channel 12, an upper end of the vertical section 142 is connected with a first end of the transverse section 141, a second end of the transverse section 141 is provided with a protrusion 143 capable of being passed over by the positioning block 31 under the action of an external force, and the transverse section 141, the vertical section 142 and the protrusion 143 jointly enclose the positioning slot 13. The connecting ring 3 is pre-inserted in the water inlet channel 12, then the spray arm 1 or the connecting ring 3 is rotated until the positioning block 31 is vertically aligned with the positioning groove 13, and then the spray arm 1 falls down for a certain distance under the action of gravity, so that the positioning block 31 is restrained in the positioning groove 13.

In this embodiment, in order to further improve the connection firmness between the connection ring 3 and the water outlet end of the water supply pipe 2, the connection ring 3 and the water outlet end of the water supply pipe 2 are further connected with the limit groove 15 through a detachably connected limit block 32. The stopper 32 is located on the periphery wall of go-between 3, and stopper 32 and locating piece 31 are along the circumference interval setting of go-between 3, and stopper 32 is equipped with at least one, and locating piece 31 is equipped with at least two.

The wall surface of the water inlet channel 12 is provided with an L-shaped limit rib 16, the limit rib 16 comprises a first section 161 extending along the circumferential direction of the water inlet channel 12 and a second section 162 extending along the axial direction of the water inlet channel 12, the upper end of the second section 162 is connected with the first end of the first section 161, the second end of the first section 161 is provided with a bump 163 which can be crossed by the limit block 32 under the action of external force, and the first section 161, the second section 162 and the bump 163 jointly enclose a limit groove 15. The connecting ring 3 is pre-inserted in the water inlet channel 12, then the spray arm 1 or the connecting ring 3 is rotated until the limiting block 32 is vertically aligned with the limiting groove 15, and then the spray arm 1 falls down for a certain distance under the action of gravity, so that the limiting block 32 is restrained in the limiting groove 15.

The top of the first half clasp ring 30a and the second half clasp ring 30b are respectively provided with a flange 33 along the radial extension, the top wall surface of the flange 33 is provided with a convex rib 331 along the circumferential direction, the flange 33 is positioned outside the water inlet channel 12 in the abutting state of the first half clasp ring 30a and the second half clasp ring 30b, the convex ribs 331 on the first half clasp ring 30a and the second half clasp ring 30b are abutted into a circle, and the convex ribs 331 can be contacted with the top wall surface of the groove 41. The contact area is smaller between the connecting ring 3 and the groove 41, and the frictional resistance between the connecting ring 3 and the water outlet end of the water supply pipe 2 is small in the process that the connecting ring 3 rotates along with the spray arm 1 relative to the water outlet end of the water supply pipe 2, so that the connecting ring 3 and the spray arm 1 can smoothly rotate.

The flange 33 of the connection ring 3 is formed with a lug 34 extending in a radial direction thereof, and the lug 34 is located outside the water inlet passage 12 and extends out of the groove 41 in a state where the connection ring 3 is fitted over the water outlet end of the water supply pipe. When the shower arm is dismounted, a user holds the lug 34 to rotate the connecting ring 3, so that the positioning block 31 and the positioning groove 13 are vertically staggered or aligned, and the dismounting of the connecting ring 3 and the shower arm 1 can be realized.

In the description of the present utility model, it should 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 orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for purposes of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and because the disclosed embodiments of the present utility model may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity.

The term "fluid communication" as used herein refers to a spatial positional relationship between two components or parts (hereinafter collectively referred to as a first part and a second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow along a flow path from the first part to the second part or/and be transported to the second part, or the first part and the second part may be directly communicated with each other, or the first part and the second part may be indirectly communicated with each other through at least one third party, and the third party may be a fluid channel such as a pipe, a channel, a conduit, a flow guiding member, a hole, a groove, or the like, or a chamber allowing the fluid to flow through, or a combination thereof.

Claims (10)

1. A spray system for a cleaning machine, comprising:

a water supply pipe (2) having a water outlet end;

the spray arm (1) is provided with a water inlet channel (12) for inserting the water outlet end of the water supply pipe (2), and a positioning groove (13) extending axially is arranged on the wall surface of the water inlet channel (12);

the connecting ring (3) is axially inserted into the water inlet channel (12), sleeved on the periphery of the water outlet end of the water supply pipe (2) in a relatively rotatable manner and relatively axially limited on the water outlet end of the water supply pipe (2), and a positioning block (31) which can be restrained in the positioning groove (13) is arranged on the peripheral wall of the connecting ring (3), so that the connecting ring (3) and the water inlet channel (12) are relatively positioned in the circumferential direction;

the connecting ring (3) is formed by butting a first half retaining ring (30 a) and a second half retaining ring (30 b) with circular arc-shaped cross sections, and the first half retaining ring (30 a) and the second half retaining ring (30 b) are restrained together through an inserting block (312) and an inserting groove (313) which are assembled in an inserting way in a butting state;

the wall surfaces of the first half-buckle (30 a) and the second half-buckle (30 b) which are butted with each other are called butted surfaces, the first half-buckle (30 a) is provided with a first lug (311 a) at a position adjacent to the butted surfaces, the second half-buckle (30 b) is provided with a second lug (311 b) opposite to the first lug (311 a) at a position adjacent to the butted surfaces, in a state that the first half-buckle (30 a) and the second half-buckle (30 b) are butted, the first lug (311 a) and the second lug (311 b) which are opposite are butted to form one positioning block (31), one of the first lug (311 a) and the second lug (311 b) is provided with the insertion block (312), and the other one of the first lug (311 a) and the second lug (311 b) is provided with the insertion groove (313).

2. The spray system of claim 1, wherein: the positioning block (31) is detachably restrained in the positioning groove (13).

3. The spray system of claim 2, wherein: the utility model discloses a shower arm, including shower arm (1) and locating piece (31), water inlet channel (12) are established at the top of shower arm (1), be equipped with rib (14) of L type on the wall of water inlet channel (12), rib (14) are including horizontal section (141) along water inlet channel (12) circumference extension and along vertical section (142) of water inlet channel (12) axial extension, and the upper end of vertical section (142) links to each other with the first end of horizontal section (141), and the second end of horizontal section (141) is equipped with can be crossed by locating piece (31) under the exogenic action convex part (143), horizontal section (141), vertical section (142) and convex part (143) enclose jointly into constant head tank (13).

4. The spray system of claim 1, wherein: the water outlet end of the water supply pipe (2) is provided with a limiting part for axially limiting the connecting ring (3) on the water outlet end of the water supply pipe (2).

5. The spray system of claim 4, wherein: the limiting part is a circle of groove (41) formed in the outer peripheral wall of the water outlet end of the water supply pipe (2), and the connecting ring (3) is embedded in the groove (41).

6. The spray system of claim 5, wherein: the connecting ring (3) is provided with lugs (34) extending along the radial direction, and the lugs (34) are positioned outside the water inlet channel (12) and extend out of the groove (41) in the state that the connecting ring (3) is sleeved at the water outlet end of the water supply pipe (2).

7. The spray system of claim 5, wherein: the water inlet channel (12) is arranged at the top of the spray arm (1), the tops of the first half retaining ring (30 a) and the second half retaining ring (30 b) are respectively provided with a flange (33) along the radial extension of the tops, the flanges (33) are positioned outside the water inlet channel (12), the top wall surface of each flange (33) is provided with a convex rib (331) along the circumferential direction of the top wall surface, and the convex ribs (331) on the first half retaining ring (30 a) and the second half retaining ring (30 b) are butted into a circle under the butted state of the first half retaining ring (30 a) and the second half retaining ring (30 b), and the convex ribs (331) can be contacted with the top wall surface of the groove (41).

8. The spray system of any one of claims 1, 2, 4-6, wherein: the connecting ring (3) is connected with the water outlet end of the water supply pipe (2) through a limiting block (32) which can be detachably connected with the water outlet end of the water supply pipe (2) and a limiting groove (15).

9. The spray system of claim 8, wherein: the utility model discloses a shower arm, including shower arm (1) and connecting ring (32), water inlet channel (12) are established at the top of shower arm (1), stopper (32) are located on the periphery wall of connecting ring (3), be equipped with spacing muscle (16) of L type on the wall of water inlet channel (12), spacing muscle (16) are including first section (161) and second section (162) along water inlet channel (12) axial extension along water inlet channel (12) circumference extension, and the upper end and the first end of first section (161) of second section (162) link to each other, and the second end of first section (161) is equipped with bump (163) that can be passed over by stopper (32) under the exogenic action, first section (161), second section (162) and bump (163) enclose jointly into spacing groove (15).

10. A washer using the spray system of any one of claims 1 to 9, characterized in that: the water supply pipe (2) is fixed relative to the washing cavity.