CN210383843U - Spraying system and cleaning machine using same - Google Patents

Abstract

The utility model provides a spraying system installed on a cleaning machine, which comprises a spraying arm component, a pump body and a pump body power source driving the pump body to rotate, the spray arm component is hollow to form a water outlet cavity and comprises a spray arm, the surface of the spray arm is provided with a plurality of water outlets communicated with the water outlet cavity, the bottom of the spray arm is provided with a mounting hole, the upper section of the pump body extends into the water outlet cavity from the mounting hole, the pump body comprises an impeller and blades arranged outside the impeller, the center of the impeller is penetrated with a shaft hole, a main shaft of a power source of the pump body penetrates through the shaft hole and extends into the water outlet cavity, the spray arm is supported on the main shaft in a rotating way, a sleeve arm which extends downwards from the periphery of the mounting hole and has a drainage function is arranged below the spray arm, the sleeve arm comprises a drainage sleeve extending from the lower part of the spray arm and surrounding the periphery of the pump body, and a filter screen sleeve extending downwards from the drainage sleeve and provided with meshes. Spraying system axiality is high, and structural design is simpler, the shaping is more convenient.

Description

Spraying system and cleaning machine using same

Technical Field

The invention relates to a kitchen ware, in particular to a cleaning machine and a spraying system thereof.

Background

A washing machine is an apparatus for washing dishes by spraying cold or hot water onto the dishes to be washed to remove dirt adhered thereto. A general washing machine includes a pump for spraying washing water and a rotary spray arm, a heater for generating hot water, and the like. In order to save space, many water tank type washing machines have been developed in the prior art, i.e. the water tank is slightly modified to be a washing machine (dishwasher) on the basis of the water tank of the present household. In some existing dish washing machines using an open water pump to deliver water, it is common to provide a rotary spray arm at the bottom of the water tank to clean the objects as a water outlet component for cleaning, the spray arm is mainly supported on a diversion bracket, and the reaction force of the water flow sprayed by the rotary spray arm pushes the spray arm to rotate, so as to complete the cleaning of the dishes waiting for the cleaned objects. However, the structural design of the filter assembly of the cleaning machine with the existing structure is complex, and generally, a horizontally arranged draining plate is erected in a water tank to filter impurities in the cleaning process in the market. But the fixed spray arm that needs spray arm and basin cooperation to accomplish jointly of drain board, wash the drain board at every turn and all need demolish the spray arm, wash the dismouting comparatively inconvenient, in addition, in order to put the drain board in the basin in order to make things convenient for, the basin needs the convex part or the concave part that the matched with setting supplies the drain board to support with it when moulding, and this has also increased the die sinking cost and the time of basin to a certain extent. And because the draining board in the horizontal state is under the action of gravity, the washed impurities are scattered on the draining board, and if the cleaning workload is large, the self meshes of the draining board are easily blocked. In addition to the above problems, the spray arm of the existing cleaning machine is mainly composed of an upper cover body and a lower cover body which are oppositely closed up and down, a water outlet cavity is formed inside the upper cover body and the lower cover body after the upper cover body and the lower cover body are oppositely closed up, the water outlet cavity is communicated with a water outlet arranged on the upper surface of the spray arm, and water flow is sprayed out through the water outlet to realize cleaning operation. In order to improve the cleaning sufficiency, a plurality of water outlets with different water outlet angles are usually arranged, and the arrangement of the water outlets needs to match a plurality of inclined tops with different angles when a spray arm mould is formed so as to complete the demoulding of the spray arm. The angle of each oblique top needs to accomplish correspondingly with the angle of delivery port, and if the angle of an oblique top appears the error and will influence the efficiency of drawing of patterns, the intraoral obturator of delivery port does not have ejecting condition in addition still can appear, needs the manual work to inspect and manual processing, so makes the holistic design of spray arm and the drawing of patterns degree of difficulty improve, and the design cost of mould increases, the process is loaded down with trivial details. In view of the above, the design of the overall structure of the existing cleaning machine needs to be improved.

Disclosure of Invention

In order to solve the technical problem, the invention provides a spraying system installed on a cleaning machine and the cleaning machine with the spraying system.

The utility model provides a spraying system of cleaning machine, includes spray arm subassembly, the pump body, drives pump body pivoted pump body power supply, spray arm subassembly cavity forms out the water cavity, and the spray arm subassembly includes a spray arm, and the surface of spray arm sets up a plurality of delivery ports with play water cavity UNICOM, and the mounting hole is seted up to the spray arm bottom, and the pump body upper segment is stretched into out the water cavity by this mounting hole, the pump body includes the impeller and sets up the blade outside the impeller, and the impeller center runs through and sets up the shaft hole, and the main shaft of pump body power supply passes the shaft hole and stretches into go out the water cavity in, spray arm pivoted support is on the main shaft, spray arm below has one by the mounting hole periphery downwardly extending and have the sleeve arm of drainage effect, the sleeve arm includes by spray arm below extension and around the drainage sleeve in pump body periphery to and set up the filter screen of mesh by drainage sleeve downwardly extending.

Further, install between the main shaft of pump body power supply and the spray arm and rotate coupling assembling, rotate coupling assembling including fixed external member, the bearing external member that prevents the spray arm and slide and shift up, the connecting hole is seted up on the spray arm top, and the bearing external member is located the connecting hole and overlaps on the main shaft, fixed external member overlaps on the main shaft, and fixed external member rotates along with main shaft or spray arm synchronization.

Further, install between the main shaft of pump body power supply and the spray arm and rotate coupling assembling, rotate coupling assembling and include the bearing external member, prevent that the spray arm from sliding the fixed external member that shifts up, fixed setting of external member is just coaxial with the main shaft in going out the water cavity, and the bearing external member is located fixed external member, stretching into of main shaft in the fixed external member with fixed external member spacing rotation from top to bottom be connected.

Furthermore, the spray arm comprises a left shell and a right shell, the left shell and the right shell are combined to form the water outlet cavity, a flow channel is formed in the water outlet cavity, a containing cavity communicated with the flow channel is formed between the upper surface and the lower surface of the spray arm at a position corresponding to the middle of the spray arm, the mounting hole is communicated with the containing cavity, the water outlets are distributed along the joint of the left shell and the right shell, and the water outlets are communicated with the joint.

Further, the main shaft is provided with a limiting connecting part for limiting the axial movement of the pump body.

Further, fixed external member includes the external member body, sets up the elastic component at the internal external member, and elastic component can be flexible along the radial of external member body under the exogenic action, and the periphery of main shaft sets up protruding knot or annular in the position that corresponds elastic component.

Further, the external member body sets up a plurality of recesses that hold elastic component, the recess is offered along radially by the inner circle of external member body, and the recess is along the equidistant distribution of external member body circumference, and elastic component includes spring, spheroid, and external member body and spheroid are connected respectively to the both ends of spring, and every spheroid is outside the recess in the partial protrusion of the spring action of corresponding spring.

Further, the spray arm, the drainage sleeve and the filter screen sleeve are integrally formed.

A cleaning machine comprises a water tank and further comprises the spraying system, and a gap is formed between the bottom end of the filter screen sleeve and the water tank.

Preferably, the height of the gap is less than 2 mm.

The invention has the beneficial effects that: the spraying system supports the spraying arm on the main shaft in a rotating manner, and compared with the existing structure that the rotating connection of the spraying arm in the water tank is realized through other connecting structures, the spraying system has the advantages that the coaxiality of the spraying arm relative to the main shaft is high, the structure of the spraying arm is more stable after the spraying arm rotates under the action of water flow, the phenomenon of shaking caused by lower coaxiality is not easy to occur, and the stability of the whole structure of the spraying system is improved; the spray system of the cleaning machine directly supports the spray arm in a rotating manner in the water tank, and other connecting parts are not needed to be arranged for supporting the spray arm, so that the disassembly and assembly processes are simpler and more convenient, the part number of the spray system and the cleaning machine is reduced on the whole, the manufacturing cost of the whole machine is reduced, the whole structure design is simpler, and the forming is more convenient; the spray arm directly extends to a position close to the bottom of the water tank to form a guide cylinder structure surrounding the blades, and has double functions of guide and support, so that the structural design is simpler, and the installation is convenient; the lower part of the spray arm is directly provided with the filter screen sleeve formed by downward extension of the drainage sleeve, a draining plate is not required to be additionally arranged, the installation is more convenient, a structure for supporting the draining plate is not required to be formed in the water tank, the structure of the water tank is simpler, and the forming process is simpler; the arrangement form of the filter screen sleeve ensures that residues and the like cleaned under the action of gravity cannot be attached to the lower surface of the water filter screen, so that the blockage of the meshes of the filter screen sleeve is avoided to a certain extent, and the frequency of cleaning the filter screen sleeve is reduced; when the filter screen sleeve is required to be cleaned, the filter screen cover can be conveniently detached and cleaned as long as the spray arm is detached, so that the detaching and assembling processes are simpler and more convenient, the number of parts of a spraying system and a cleaning machine is reduced on the whole, and the manufacturing cost of the whole machine is reduced.

Drawings

FIG. 1 is a perspective view of the washer of the present invention.

Fig. 2 is an exploded perspective view of the spray system of the washer of the present invention.

FIG. 3 is a sectional view in the main view direction of the washer of the present invention.

Fig. 4 is a partial enlarged view of a portion a of fig. 3.

Fig. 5 is a schematic structural view of the spray arm.

Fig. 6 is a schematic structural view of the fixed sleeve after being connected with the main shaft.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

Referring to fig. 1-6, a preferred embodiment of a spray system of a cleaning machine according to the present invention is described in detail as follows:

in practical application, the spraying system is mainly matched with the water tank 1 to form the cleaning machine of the present invention, and certainly, the cleaning machine can be provided with some elements, such as a water inlet assembly, a water discharge assembly, a heating element, etc., which are usually arranged in the existing cleaning machine, besides the water tank 1 and the spraying system of the present invention, which are not described herein again. The spraying system comprises a spraying arm component, a pump body 2 and a pump body power source 3 for driving the pump body 2 to rotate, wherein the spraying arm component is hollow to form a water outlet cavity, the spraying arm component comprises a spraying arm 4, a plurality of water outlets 5 communicated with the water outlet cavity are formed in the surface of the spraying arm 4, a mounting hole 6 is formed in the bottom of the spraying arm 4, the upper section of the pump body 2 extends into the water outlet cavity from the mounting hole 6, the pump body 2 comprises an impeller 21 and blades 22 arranged outside the impeller 21, the center of the impeller 21 penetrates through a shaft hole 211, a main shaft 31 of the pump body power source 3 penetrates through the shaft hole 211 to extend into the water outlet cavity, the spraying arm 4 is rotatably supported on a main shaft 31, a sleeve arm 7 which extends downwards from the periphery of the mounting hole 6 and has a drainage effect is arranged below the spraying arm 4, the sleeve arm 7 comprises a drainage sleeve 71 which extends from the lower part of the spraying arm 4 and surrounds the periphery of the, and a screen sleeve 72 extending downwardly from the drainage sleeve 71 and having openings. In specific implementation, the spray arm 4 is integrally formed with the drainage sleeve 71 and the screen sleeve 72. Alternatively, the spray arm 4 may be provided separately from the drainage sleeve 71 and the strainer sleeve 72; alternatively, the flow directing sleeve 71 and the screen sleeve 72 may be integrally formed and then removably attached to the spray arm. In particular, the connection between the spray arm 4 and the drainage sleeve 71 and the screen sleeve 72 can be accomplished by means of flexible snap fasteners. The flexible buckle mode is as follows: a clamping groove can be arranged on the drainage sleeve 71, and the filter screen sleeve 72 is provided with flexible clamping jaws which can extend into the clamping groove to realize the connection between the drainage sleeve 71 and the filter screen sleeve 72. This is merely by way of example, and the same applies to the connection between the spray arm 4 and the drainage kit 71.

In the present invention, a gap is formed between the bottom end of the screen sleeve 72 and the water tub 1. The height of the gap is less than 2mm in order to prevent impurities (rice grains, leaves, etc.) from entering the spray arm 4. In particular embodiments, the bottom end of the screen sleeve 72 may be adjacent to the upper surface of the bottom of the basin 1, so long as the basin 1 does not interfere with the rotation of the screen sleeve 72.

Install between the main shaft 31 of pump body power supply 3 and spray arm 4 and rotate coupling assembling 8, rotate coupling assembling 8 including preventing that spray arm 4 from sliding fixed external member 81, the bearing external member 82 that shifts up, connecting hole 9 is seted up on spray arm 4's top, and bearing external member 82 is located connecting hole 9 and overlaps on main shaft 31. The main shaft 31 is provided with a screw thread at a position corresponding to the upper end of the pump body, and a compression nut 83 is mounted on the screw thread.

In order to prevent the spray arm 4 from being separated from the main shaft 41 under the action of water flow, the bottom of the fixing sleeve 81 extends into the connecting hole 9 and is sleeved on the main shaft 31 to synchronously rotate along with the main shaft 31; besides, the fixing sleeve 81 can be fixedly connected with the spray arm 4 and sleeved on the spindle 31, at this time, the up-and-down movement of the fixing sleeve 81 relative to the spindle 31 is limited, the fixing sleeve 81 is loosely sleeved on the spindle 31, that is, the fixing sleeve 81 and the spray arm 4 are relatively fixedly connected, the fixing sleeve 81 and the spray arm 4 do not rotate along with the rotating force of the spindle 31, and at this time, the spray arm 4 still rotates under the thrust action of water flow. Specifically, the fixing sleeve 81 includes a sleeve body 811 and an elastic component 812 disposed in the sleeve body 811, the elastic component 812 can extend and contract along the radial direction of the sleeve body 811 under the action of an external force, and a convex buckle or a ring groove 311 is disposed on the outer periphery of the main shaft 31 at a position corresponding to the elastic component 812. When the assembly is carried out, axial force is applied to the main shaft 31 and the sleeve body 811, the elastic component 812 contracts under the extrusion of the periphery of the main shaft, and when the elastic component 812 passes over the convex buckle or the alignment groove, the elastic component 812 resets, and the assembly of the main shaft 31 and the fixed sleeve 81 is completed. Specifically, the sleeve body 811 is provided with a plurality of grooves 813 for accommodating the elastic assemblies 812, the grooves 813 are formed in the inner ring of the sleeve body 811 along the radial direction, the grooves 813 are distributed at equal intervals along the circumferential direction of the sleeve body 811, each elastic assembly 812 comprises a spring and a ball, two ends of each spring are respectively connected with the sleeve body 811 and the balls, and each ball partially protrudes out of the groove 813 under the action of the elastic force of the corresponding spring.

Certainly, when specifically implementing, the top end of the spray arm 4 may not be provided with the connection hole 9, at this time, the rotation connection assembly 8 includes the bearing kit 82, the fixed kit 81 that prevents the spray arm 4 from sliding and moving up, the fixed setting of the fixed kit 81 is in the water outlet cavity and coaxial with the main shaft 31, the bearing kit 82 is located the fixed kit 81, the main shaft 31 stretches into the fixed kit 81 and is connected with the rotation of the upper and lower limit of the fixed kit 81. The fixing sleeve 81 and the spindle 31 may be constructed as described above. This arrangement also enables the spray arm 4 to be rotatably connected to the spindle 31.

As shown in fig. 5, the spray arm 4 includes a left housing 41 and a right housing 42, the left housing 41 and the right housing 42 are combined to form the water outlet cavity, a flow channel is formed in the water outlet cavity, an accommodating cavity 10 communicated with the flow channel is formed between the upper surface and the lower surface of the spray arm 4 at a position corresponding to the middle of the spray arm 4, the mounting hole 9 is communicated with the accommodating cavity 10, the water outlets 5 are distributed along the joint of the left housing 41 and the right housing 42, and the water outlets 5 are communicated with the joint. The communication between the water outlet 5 and the joint is as follows: the water outlet 5 can be only arranged on the left shell 41 or only arranged on the right shell 42, and the edge of the water outlet 5 is positioned at the joint of the left shell 41 and the right shell 42; or the water outlet 5 is partially arranged on the left shell 41 and partially arranged on the right shell 42, and the left shell 41 and the right shell 42 jointly enclose a water outlet. The upper end of the pump body 2 extends into the water outlet cavity through the mounting hole 9. It should be noted that the left casing and the right casing of the present invention are mainly used for being vertically aligned with the casing of the spray arm in the prior art, and are only used for explaining that the spray arm is formed by horizontally aligning the two half casings, rather than vertically aligning.

In order to prevent the pump body from moving downward, the main shaft 31 is provided with a limit connecting portion for limiting the axial movement of the pump body. Specifically, the limit connection portion may be a shoulder formed on the main shaft 31, so that the main shaft 31 has a shape with a small upper section and a large lower section, and the downward movement of the pump body 2 is limited. When forming the shaft shoulder, the main shaft 31 may be configured to be a single-side shaft shoulder, and in this case, the main shaft 31 is "h" shaped. Of course, the main shaft 31 may be provided with a positioning nut, and the pump body 2 may be prevented from moving downward by the position of the positioning nut. In the present invention, the pump body 2 is limited by arranging the main shaft 31 in an "h" shape, but the specific structural form of the main shaft 31 cannot be embodied in the view angle of fig. 3 due to the cutting angle selected in fig. 3.

From the above description of the preferred embodiments of the invention: the spraying system rotationally supports the spraying arm 41 on the main shaft 31, and compared with the prior art that the spraying arm needs to be rotationally connected in the water tank through other connecting structures, the spraying system has the advantages that the coaxiality of the spraying arm relative to the main shaft 31 is high, the structure of the spraying arm is more stable after the spraying arm rotates under the action of water flow, the phenomenon of shaking caused by lower coaxiality is not easy to occur, and the stability of the whole structure of the spraying system is improved; the spray system of the cleaning machine directly supports the spray arm in a rotating manner in the water tank, and other connecting parts are not needed to be arranged for supporting the spray arm, so that the disassembly and assembly processes are simpler and more convenient, the part number of the spray system and the cleaning machine is reduced on the whole, the manufacturing cost of the whole machine is reduced, the whole structure design is simpler, and the forming is more convenient; the spray arm directly extends to a position close to the bottom of the water tank 1 to form a guide cylinder structure surrounding the blades, and has double functions of guide and support, so that the structural design is simpler, and the installation is convenient; the lower part of the spray arm is directly provided with the filter screen sleeve formed by downward extension of the drainage sleeve, a draining plate is not required to be additionally arranged, the installation is more convenient, a structure for supporting the draining plate is not required to be formed in the water tank, the structure of the water tank is simpler, and the forming process is simpler; the arrangement form of the filter screen sleeve adopted in the invention ensures that residues and the like cleaned under the action of gravity cannot be attached to the lower surface of the water filter screen, thereby avoiding the blockage of the meshes of the filter screen sleeve to a certain extent and reducing the frequency of the filter screen sleeve needing to be cleaned; when the filter screen sleeve is required to be cleaned, the filter screen cover can be conveniently detached and cleaned as long as the spray arm is detached, so that the detaching and assembling processes are simpler and more convenient, the number of parts of a spraying system and a cleaning machine is reduced on the whole, and the manufacturing cost of the whole machine is reduced.

Claims (10)

1. The utility model provides a spraying system, includes spray arm subassembly, the pump body, drives pump body pivoted pump body power supply, spray arm subassembly cavity forms out the water cavity, and the spray arm subassembly includes a spray arm, and the surface of spray arm sets up a plurality of delivery ports with play water cavity UNICOM, and the mounting hole is seted up to the spray arm bottom, and the pump body upper segment is stretched into out the water cavity by this mounting hole, the pump body includes the impeller and sets up the blade outside the impeller, its characterized in that: the impeller center runs through and sets up the shaft hole, and the main shaft of pump body power supply passes the shaft hole and stretches into go out the water cavity, spray arm pivoted supports on the main shaft, spray arm below has one by mounting hole periphery downwardly extending and have the sleeve arm of drainage effect, the sleeve arm includes by spraying the sleeve arm below and extending and around the drainage sleeve in pump body periphery to and by drainage sleeve downwardly extending and set up the filter screen sleeve of mesh.

2. The spray system of claim 1, wherein: install between the main shaft of pump body power supply and the spray arm and rotate coupling assembling, rotate coupling assembling and include the bearing external member, prevent that the spray arm from sliding the fixed external member that shifts up, the connecting hole is seted up on the spray arm top, and the bearing external member is located the connecting hole and overlaps on the main shaft, fixed external member overlaps on the main shaft, and fixed external member rotates along with main shaft or spray arm synchronization.

3. The spray system of claim 1, wherein: install between the main shaft of pump body power supply and the spray arm and rotate coupling assembling, rotate coupling assembling and include the bearing external member, prevent that the spray arm from sliding the fixed external member that shifts up, fixed setting of external member is just coaxial with the main shaft in going out the water cavity, and the bearing external member is located fixed external member, the main shaft stretches into fixed external member in and fixed external member spacing rotation from top to bottom is connected.

4. The spray system of claim 1, wherein: the spray arm comprises a left shell and a right shell, the left shell and the right shell are combined to form the water outlet cavity, a flow channel is formed in the water outlet cavity, a containing cavity communicated with the flow channel is formed between the upper surface and the lower surface of the spray arm at a position corresponding to the middle of the spray arm, the mounting hole is communicated with the containing cavity, and the water outlets are distributed along the joint of the left shell and the right shell and communicated with the joint.

5. The spray system of claim 1, wherein: the main shaft is provided with a limiting connecting part for limiting the axial movement of the pump body.

6. The spray system of claim 3, wherein: fixed external member includes the external member body, sets up at this internal elastic component of external member, and elastic component can be flexible along the radial of external member body under the exogenic action, and the periphery of main shaft sets up convex buckle or annular in the position that corresponds elastic component.

7. The spray system of claim 6, wherein: the external member body sets up a plurality of recesses that hold elastic component, the recess is offered along radially by the inner circle of external member body, and the recess is along external member body circumference equidistant distribution, and elastic component includes spring, spheroid, and external member body and spheroid are connected respectively to the both ends of spring, and every spheroid is outside the recess in the partial protrusion of the spring action of corresponding spring.

8. The spray system of any one of claims 1 to 5, wherein: the spray arm, the drainage sleeve and the filter screen sleeve are integrally formed.

9. A cleaning machine, includes basin, its characterized in that: the spray system of any one of claims 1 to 5 further comprising a gap formed between the bottom end of the screen sleeve and the trough.

10. The cleaning machine of claim 9, wherein: the height of the gap is less than 2 mm.

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