CN212140372U

CN212140372U - Spray arm assembly and autorotation type dish washing machine using same

Info

Publication number: CN212140372U
Application number: CN201921590018.6U
Authority: CN
Inventors: 潘伟智; 林嘉鑫; 刘辉; 张龙; 貌家发
Original assignee: Dongguan Ulegend Smart Appliance Co ltd
Current assignee: Dongguan Ulegend Smart Appliance Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-12-15
Anticipated expiration: 2029-09-23

Abstract

The utility model relates to a dish washer technical field, more specifically say, it relates to a spray arm subassembly, including the drive arrangement who is used for spraying the spray arm of washing liquid and is used for driving the spray arm along its axial rotation, be provided with the hole for water spraying on the lateral wall that spray arm cavity set up and spray arm. Still relate to a rotation formula dish washer, including foretell spray arm subassembly, still including the staving that is equipped with the inner chamber, the staving internal rotation is provided with the kitchen utensils and appliances basket that is used for placing kitchen utensils and appliances, the spray arm set up in the staving, still be provided with on the staving and be used for carrying the washing liquid in the spray arm so that the spray arm sprays washing liquid drive kitchen utensils and appliances basket pivoted conveyor, when drive arrangement drive spray arm rotates, changeable the rotation direction of kitchen utensils and appliances basket. When the spray arm rotates and changes the spray angle, the kitchen ware basket also changes the rotation direction under the impact of the cleaning liquid, the rotation direction of the kitchen ware basket is switched by changing the spray angle of the spray arm, all-around cleaning can be carried out on the kitchen ware in the kitchen ware basket, and the cleaning quality of the kitchen ware is improved.

Description

Spray arm assembly and autorotation type dish washing machine using same

Technical Field

The utility model relates to a dish washer technical field especially relates to a spray arm subassembly and use this spray arm subassembly's rotation formula dish washer.

Background

With the pace of life of people accelerating, more and more people choose to bring rich income in the dining halls, hotels and restaurants of public institutions, schools and factories, and face increasing labor cost and safety requirements of consumers on dining utensils. The autorotation type dish washer is equipment for automatically cleaning dishes, chopsticks, plates, dishes, knives, forks and the like, lightens the labor intensity for the workers in hotels, restaurants and dining halls, improves the working efficiency and promotes the cleanness and the sanitation.

General rotation formula dish washer is including the staving that is equipped with the inner chamber, set up in the staving and be used for placing the kitchen utensils and appliances basket of kitchen utensils and appliances, and the inner wall of staving is provided with a plurality of shower that are used for to the water spray of kitchen utensils and appliances basket, washs the kitchen utensils and appliances in the kitchen utensils and appliances basket through the shower water spray.

However, the effective spraying surface and spraying point of the autorotation type dishwasher in normal operation are basically unchanged, so that dead corners which cannot be cleaned easily occur during dishwashing, and the cleaning quality of the kitchenware is affected.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a spray arm subassembly, spray arm can autogiration, can be more comprehensive wash kitchen utensils and appliances, improves the cleaning quality of kitchen utensils and appliances.

The above technical purpose of the present invention can be achieved by the following technical solutions: a spray arm assembly comprises a spray arm used for spraying cleaning liquid and a driving device used for driving the spray arm to rotate along the axial direction of the spray arm, wherein the spray arm is arranged in a hollow mode, and a water spray hole is formed in the side wall of the spray arm.

Furthermore, the driving device comprises a servo motor, a main gear arranged on an output shaft of the servo motor and an auxiliary gear sleeved on the spray arm, and the main gear is meshed with the auxiliary gear.

The servo motor is characterized by further comprising a gear box for accommodating the main gear and the auxiliary gear, an output shaft of the servo motor penetrates through the gear box to be connected with the main gear, and a mechanical seal is arranged between the output shaft of the servo motor and the gear box; the gear box is provided with the connecting pipe, the one end of connecting pipe is worn to locate inside the gear box, the one end of spray arm wear to locate inside the gear box and with the connecting pipe rotates to be connected.

Furthermore, the connecting pipe is inserted into the spray arm, and a plurality of first sealing rings are arranged between the connecting pipe and the spray arm.

Furthermore, a water outlet gap is formed in the spray arm, a water outlet switch used for sealing the water outlet gap is hinged to the water outlet gap, a water outlet flow passage is formed in the water outlet switch, and the water outlet direction of the water outlet flow passage can be controlled by rotating the water outlet switch.

Furthermore, the spray arm is at least provided with a spray pipe extending along the radial direction of the spray arm, the spray pipe is communicated with the spray arm, and the spray pipe is provided with a water spray hole.

Furthermore, the spray arm is also provided with a plurality of nozzles, wherein the water outlet direction of one part of the nozzles is inclined upwards, and the water outlet direction of the other part of the nozzles is inclined downwards.

To the not enough of above-mentioned prior art, another purpose of the utility model is to provide an autorotation formula dish washer can switch the rotation direction of kitchen utensils and appliances basket, and more comprehensive washs kitchen utensils and appliances, improves the cleaning quality of kitchen utensils and appliances.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an autorotation formula dish washer, includes foretell spray arm subassembly, still includes the staving that is equipped with the inner chamber, the staving internal rotation is provided with the kitchen utensils and appliances basket that is used for placing kitchen utensils and appliances, the spray arm set up in the staving, still be provided with on the staving and be used for carrying the conveyer of washing liquid in the spray arm, conveyer starts to make the spray arm spray washing liquid drive kitchen utensils and appliances basket and rotate, works as when drive arrangement drive spray arm rotates, it is changeable the rotation direction of kitchen utensils and appliances basket.

Further, the conveying device comprises a water pump, the water pump is provided with a water replenishing pipe and a water conveying pipe, the water replenishing pipe and the water conveying pipe are used for conveying external cleaning liquid, and the water conveying pipe is communicated with the spray arm.

Further, the water pump is provided with a recovery pipe and is communicated with the inner bottom of the barrel body.

Furthermore, one end of the recovery pipe, which is far away from the water pump, is provided with a filter for filtering the kitchen ware garbage.

Further, the water pump is provided with a discharge pipe for discharging the cleaning liquid in the tub.

The utility model has the advantages that:

firstly, the spray arm can switch the direction of spraying the cleaning liquid under the driving of the driving device, so that the kitchenware in the kitchenware basket can be cleaned more comprehensively, and the cleaning quality is improved;

its two, concrete during operation, the spray arm can spray the washing liquid to the kitchen utensils and appliances basket, and the kitchen utensils and appliances basket rotates and sets up in the barrel, can promote the rotation of kitchen utensils and appliances basket when wasing kitchen utensils and appliances, and when the spray arm rotated the transform spray angle, the kitchen utensils and appliances basket also changed the rotation direction under the impact of washing liquid, and through changing the spray angle of spray arm and switching kitchen utensils and appliances basket rotation direction, can carry out all-round washing to the kitchen utensils and appliances in the kitchen utensils and appliances basket, improved the cleaning quality of kitchen utensils and appliances.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a first embodiment of the present invention;

fig. 3 is a schematic view of a spray arm and a driving device according to a first embodiment of the present invention;

FIG. 4 is a half sectional view of FIG. 3;

fig. 5 is a schematic structural view of a water outlet switch according to a first embodiment of the present invention;

fig. 6 is a schematic structural view of a spray arm according to a second embodiment of the present invention;

fig. 7 is a schematic structural view of a spray arm and a barrel according to a second embodiment of the present invention.

Reference numerals: 10. a barrel body; 11. a filter; 12, accommodating grooves; 20. a kitchen ware basket; 30. a spray arm; 31. a water spray hole; 32. a nozzle; 33. a nozzle; 40. a drive device; 41. a servo motor; 42. a main gear; 43. a pinion gear; 50. a conveying device; 51. a water pump; 52. a recovery pipe; 53. a water delivery pipe; 54. a water replenishing pipe; 55. a discharge pipe; 61. a connecting pipe; 62. a first seal ring; 63. a second seal ring; 64. a third seal ring; 65. a fourth seal ring; 66. a gear case; 70. a water outlet switch; 71. a water diversion cavity; 72. a water guide hole; 73. and (4) protruding.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The first embodiment is as follows:

the embodiment discloses an autorotation type dishwasher, and referring to fig. 1 and fig. 2, the autorotation type dishwasher comprises a barrel body 10 provided with an inner cavity, a kitchenware basket 20 for placing kitchenware is rotatably arranged in the barrel body 10, a spray arm assembly for spraying cleaning solution to the kitchenware basket 20 is rotatably arranged in the barrel body 10, the cleaning solution can be hot water or high-temperature steam, the spray arm assembly comprises a spray arm 30 for spraying the cleaning solution and a driving device 40 for driving the spray arm 30 to rotate along the axial direction of the spray arm, the spray arm 30 is hollow, water spray holes 31 are arranged on the side wall of the spray arm 30, and the water spray holes 31 are positioned on one side of the side wall of the spray arm; the barrel body 10 is further provided with a conveying device 50 for conveying the cleaning solution to the spray arm 30, the conveying device 50 can be started to enable the spray arm 30 to spray the cleaning solution to drive the kitchen ware basket 20 to rotate, and when the driving device 40 drives the spray arm 30 to rotate, the rotating direction of the kitchen ware basket 20 can be switched. During specific work, spray arm 30 can spray the washing liquid to kitchen utensils and appliances basket 20, and kitchen utensils and appliances basket 20 rotates and sets up in staving 10, can promote kitchen utensils and appliances basket 20 to rotate when wasing kitchen utensils and appliances, and when spray arm 30 rotated the transform spray angle, kitchen utensils and appliances basket 20 also changed the rotation direction under the impact of washing liquid, and through the spray angle who changes spray arm 30 and switch kitchen utensils and appliances basket 20 rotation direction, can carry out all-round washing to the kitchen utensils and appliances in the kitchen utensils and appliances basket 20, improves the cleaning quality of kitchen utensils and appliances.

As shown in fig. 2 to 4, the driving device 40 includes a servo motor 41, a main gear 42 mounted on an output shaft of the servo motor 41, and a sub-gear 43 sleeved on the spray arm 30, wherein the main gear 42 and the sub-gear 43 are engaged with each other. Specifically, in order to facilitate the installation of the driving device 40 on the tub 10, the spray arm assembly further includes a gear case 66 for accommodating the main gear 42 and the sub-gear 43, the gear case 66 being uncovered at a top end thereof and detachably connected to an outer bottom of the tub 10 by bolts; an output shaft of the servo motor 41 penetrates through the gear box 66 to be connected with the main gear 42, and a mechanical seal is arranged between the output shaft of the servo motor 41 and the gear box 66; the gear box 66 is provided with a connecting pipe 61, one end of the connecting pipe 61 is arranged inside the gear box 66 in a penetrating manner, and one end of the spray arm 30 is arranged inside the gear box 66 in a penetrating manner and is rotatably connected with the connecting pipe 61. A plurality of first sealing rings 62 are embedded in the outer wall of the connecting pipe 61 at the part of the gear box 66, and one side of the first sealing ring 62 far away from the connecting pipe 61 contacts the inner wall of the spray arm 30. A second sealing ring 63 is embedded on the outer side of the part of the spray arm 30 located on the gear box 66, the second sealing ring 63 is used for abutting against the outer bottom of the barrel body, a third sealing ring 64 is arranged between the connecting pipe 61 and the gear box 66, and a fourth sealing ring 65 is arranged between the gear box 66 and the outer bottom of the barrel body 10. The provision of the first, second, third and fourth seal rings 62, 63, 64 and 65 may improve the sealing properties of the tub 10.

Preferably, the spray arm 30 is tapered in size, a plurality of water spray holes 31 are formed in the side wall of the spray arm 30, the spray arm 30 can be disposed in the center of the kitchen ware basket 20 or around the kitchen ware basket 20, and a plurality of spray arms 30 can be disposed according to requirements, in this embodiment, one spray arm 30 is disposed and disposed outside the kitchen ware basket 20 and at a corner of the barrel body 10, so that the space in the barrel body 10 can be fully utilized. Specifically, the water spraying holes 31 are arranged along the length direction of the spraying arm 30, and the spraying arm 30 is large in top and small in bottom, so that the pressure of the cleaning liquid sprayed out from each water spraying hole 31 can be kept consistent, and the phenomenon that the cleaning quality is affected due to uneven cleaning of the kitchenware caused by different pressures of the cleaning liquid sprayed out from different water spraying holes 31 is avoided.

As shown in fig. 4 and 5, a water outlet gap (not marked in the figures) is formed in the spray arm 30, a water outlet switch 70 for closing the water outlet gap is hinged to the water outlet gap, a water outlet channel is formed in the water outlet switch 70, and the water outlet direction of the water outlet channel can be controlled by rotating the water outlet switch 70. Specifically, the upper side and the lower side of the spray arm 30 are respectively provided with a water outlet switch 70, the outer side of the water outlet switch 70 is provided with a protrusion 73 which is convenient for pulling the water outlet switch 70, the water outlet flow channel comprises a water guide cavity 71 which is arranged on the outer side of the water outlet switch 70 and a water guide hole 72 which is communicated with the water guide cavity 71, one end of the water guide hole 72, which is far away from the water guide cavity 71, is positioned on the upper part of the water outlet switch 70, when the water outlet switch 70 seals the water outlet gap, one end of the water guide hole 72, which is far away from the water guide cavity 71, is abutted against the side wall of the water outlet gap, and the opening of the; after the protrusion 73 is pulled to rotate the water outlet switch 70, the opening of the water guide cavity 71 is located on the inner side of the spray arm 30, one end of the water guide hole 72, which is far away from the water guide cavity 71, points to the kitchen ware basket 20, and the water outlet direction of the water guide hole 72 can be adjusted by rotating the water outlet switch 70, so that water is intensively sprayed to the kitchen ware in one area of the kitchen ware basket 20, and the cleaning quality of the kitchen ware is improved. When the concentrated cleaning of part of the kitchen ware is not needed, the protrusion 73 can be pulled to enable the water outlet switch 70 to close the water outlet gap, so that the water pressure of the water spraying holes 31 can be improved.

As shown in fig. 2, the conveying device 50 includes a water pump 51, the water pump 51 is provided with a water replenishing pipe 54 and a water conveying pipe 53 for conveying the external cleaning liquid, and the water conveying pipe 53 is communicated with the connecting pipe 61. Specifically, the water pump 51 is provided with a recovery pipe 52 communicated with the inner bottom of the barrel body 10, one end of the recovery pipe 52, which is far away from the water pump 51, is provided with a filter 11 for filtering kitchen ware garbage, a filter screen is arranged in the filter 11, the filter can be purchased from the market, and through the recovery pipe 52 and the filter 11, the cleaning liquid in the barrel body 10 can be recycled, so that the utilization rate of the cleaning liquid is improved; the water pump 51 is provided with a discharge pipe 55 for discharging the cleaning liquid inside the tub 10, and a control valve may be installed on the discharge pipe 55, and the cleaning liquid inside the tub 10 may be discharged through the discharge pipe 55.

The working principle is as follows:

firstly, cleaning fluid can be conveyed to the spray arm 30 through the water replenishing pipe 54 and the water pump 51, then the servo motor 41 rotates to adjust the spray angle of the spray arm 30, the spray arm 30 sprays the cleaning fluid to the kitchen ware basket 20, when the spray arm 30 rotates to change the spray angle, the rotation direction of the kitchen ware basket 20 is changed under the impact of the cleaning fluid, the kitchen ware basket 20 can rotate and change the rotation direction, all-around cleaning of the kitchen ware in the kitchen ware basket 20 can be realized, the cleaning fluid in the barrel body 10 can be filtered by the filter 11, then enters the water pump 51 through the recovery pipe 52, and then reaches the spray arm 30 again, so that the cyclic utilization of the cleaning fluid is realized, the cost is saved, and after the cleaning fluid is finished, the cleaning fluid can be discharged from.

Example two:

referring to fig. 6 and 7, the present embodiment is different from the first embodiment in that at least one nozzle 32 is disposed on the nozzle arm 30 of the nozzle arm assembly, the nozzle 32 is communicated with the nozzle arm 30, the nozzle 32 is also provided with water spraying holes 31, the nozzle 32 extends to the bottom or top of the kitchen ware basket 20, and the water outlet direction of the water spraying holes 31 on the nozzle 32 faces the kitchen ware basket 20; in this embodiment, preferably, the spraying pipe 32 is provided with a strip and is located at the lower part of the spraying arm 30, the spraying pipe 32 extends to the bottom of the kitchen ware basket 20, and the water spraying holes 31 on the spraying pipe 32 spray water in a vertical upward direction, so as to further improve the washing effect; in order to avoid collision and interference between the nozzle 32 and the sidewall of the tub 10 when the nozzle arm 30 rotates, in particular, the sidewall of the tub 10 is provided with a receiving groove 12 corresponding to the nozzle 32 for receiving the nozzle 32.

In addition, the spray arm 30 is further provided with a plurality of nozzles 33, wherein the water outlet direction of one part of the nozzles 33 is inclined upwards, and the water outlet direction of the other part of the nozzles 33 is inclined downwards; in this embodiment, two sets of nozzles 33 are disposed on the upper portion of the spray arm 30, and two nozzles 33 are disposed, wherein one water outlet direction is inclined upwards for cleaning a lid (not shown in the drawings) of the tub 10, and the other water outlet direction is inclined downwards and towards the kitchen basket 20, so as to wash dishes and other tableware from another angle.

The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.

Claims

1. A spray arm assembly, characterized by: the automatic cleaning device comprises a spray arm for spraying cleaning liquid and a driving device for driving the spray arm to rotate along the axial direction of the spray arm, wherein the spray arm is arranged in a hollow mode, a water spraying hole is formed in the side wall of the spray arm, and when the spray arm rotates, the spraying angle of the water spraying hole changes accordingly.

2. The spray arm assembly of claim 1, wherein: the driving device comprises a servo motor, a main gear arranged on an output shaft of the servo motor and an auxiliary gear sleeved on the spray arm, and the main gear is meshed with the auxiliary gear.

3. The spray arm assembly of claim 2, wherein: the servo motor is characterized by also comprising a gear box for accommodating the main gear and the pinion, wherein an output shaft of the servo motor penetrates through the gear box to be connected with the main gear, and the output shaft of the servo motor is mechanically sealed with the gear box; the gear box is provided with the connecting pipe, the one end of connecting pipe is worn to locate inside the gear box, the one end of spray arm wear to locate inside the gear box and with the connecting pipe rotates to be connected.

4. A spray arm assembly according to claim 3, wherein: the connecting pipe is inserted in the spray arm, and a plurality of first sealing rings are arranged between the connecting pipe and the spray arm.

5. The spray arm assembly of claim 1, wherein: the spray arm is provided with a water outlet gap, the water outlet gap is hinged with a water outlet switch for sealing the water outlet gap, the water outlet switch is provided with a water outlet flow passage, and the water outlet direction of the water outlet flow passage can be controlled by rotating the water outlet switch.

6. The spray arm assembly of claim 1, wherein: the spray arm is at least provided with a spray pipe extending along the radial direction of the spray arm, the spray pipe is communicated with the spray arm, and the spray pipe is provided with a water spray hole.

7. The spray arm assembly of claim 6, wherein: the spray arm is also provided with a plurality of nozzles, wherein the water outlet direction of one part of the nozzles is inclined upwards, and the water outlet direction of the other part of the nozzles is inclined downwards.

8. A self-rotating dish washing machine is characterized in that: the spray arm assembly of any one of claims 1 to 5, further comprising a barrel body provided with an inner cavity, wherein a kitchen ware basket for placing kitchen ware is rotatably arranged in the barrel body, the spray arm is arranged in the barrel body, the barrel body is further provided with a conveying device for conveying cleaning liquid to the spray arm, the conveying device is started to enable the spray arm to spray the cleaning liquid to drive the kitchen ware basket to rotate, and when the driving device drives the spray arm to rotate, the rotating direction of the kitchen ware basket can be switched.

9. The self-rotating dishwasher of claim 8, further comprising: the conveying device comprises a water pump, the water pump is provided with a water replenishing pipe and a water conveying pipe which are used for conveying external cleaning liquid, and the water conveying pipe is communicated with the spray arm.

10. The self-rotating dishwasher of claim 9, further comprising: the water pump is provided with a recovery pipe communicated with the inner bottom of the barrel body.