CN210582416U

CN210582416U - Spray arm device and dish-washing machine

Info

Publication number: CN210582416U
Application number: CN201920876755.6U
Authority: CN
Inventors: 黄进杰; 张林峰; 林番基; 李姗姗; 刘瑶; 郭名威
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-05-22
Anticipated expiration: 2029-06-11

Abstract

The utility model discloses a spray arm device, which comprises a rotary spray arm and a driving motor which are vertically arranged, wherein a plurality of spray holes are arranged on the rotary spray arm; the end part of the rotary spray arm is externally connected with the output end of the driving motor, and the driving motor drives the rotary spray arm to swing in a reciprocating mode in a vertical plane. The utility model also discloses a dish washer, including inner bag subassembly and the setting on the inner bag lateral wall as above spray arm device. The utility model discloses a motor drive inner tube realizes the spray arm rotation about, and the washing water is from the orifice blowout, realizes the washing to the dish washer about, the direction of controlling, simple structure, and convenient to use not only can be fan-shaped with water jet, sweeps the whole inner wall corner of container to make the rotatory washing effect of sweeping messenger's dish washer that washes repeatedly of jet stream obtain very big degree ground and improve, make this dish washer spray arm device have very strong practicality and popularization nature.

Description

Spray arm device and dish-washing machine

Technical Field

The utility model relates to the technical field of household appliances, in particular to spray arm device and dish washer.

Background

The dishwasher is a household appliance for automatically washing tableware, the use of the dishwasher in the market is more and more popular with the improvement of the living standard of people, and in order to ensure the market competitiveness of the dishwasher, related technicians all research how to continuously improve the comprehensive performance of the dishwasher.

The washing process of a domestic dishwasher is now such that: washing water enters the sprayer from a water outlet of the shunt valve through the washing pump, and high-pressure water flow is sprayed out along all nozzles arranged on the surface of the sprayer so as to clean objects placed in the inner container. At present, the mainstream washing mode is a spray type cleaning mode, so that water columns can be sprayed from spray holes in all directions on a spray arm.

Chinese patent publication No. CN201510253548.1 discloses a spray arm assembly having an auxiliary spray arm rotatable with respect to a main spray arm, but this spray arm assembly can only achieve spraying of washing water by the auxiliary spray arm along a rotation axis, and the spray area is cylindrical and cannot be washed to the cleaning dead space around.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spray arm device and dish washer solve the spray arm subassembly and can only realize that vice spray arm sprays the washing water along the rotation axis, and the water spray region is cylindrical, can't wash the washing dead angle scheduling problem all around.

In order to achieve the above purpose, the specific technical solution of the spray arm device and the dish washer of the present invention is as follows:

a spray arm device comprises a rotary spray arm and a driving motor which are vertically arranged, wherein the rotary spray arm is provided with at least one spray hole; the end part of the rotary spray arm is externally connected with the output end of the driving motor, and the driving motor drives the rotary spray arm to swing in a reciprocating mode in a vertical plane.

Furthermore, a rotary spray arm gear is arranged on the lower side of the rotary spray arm and meshed with a motor gear of the driving motor, so that the driving motor drives the rotary spray arm to swing around a rotating shaft of the driving motor.

Furthermore, a rotary spray arm gear is arranged on the lower side of the rotary spray arm, and the rotary spray arm gear is meshed with a motor gear of the driving motor through a transmission mechanism, so that the driving motor drives the rotary spray arm to swing around a rotating shaft of the driving motor.

Further, the swinging range of the rotary spray arm around the end part is a sector area.

Further, the range of the central angle corresponding to the fan shape is 0 to 120 °.

Furthermore, plate-shaped structures are arranged on two sides of the rotary spray arm respectively, horizontally extending fixing shafts are arranged on two sides of the rotary spray arm respectively, and the fixing shafts are lapped on the plate-shaped structures and used for fixing and supporting the rotary spray arm during horizontal swinging.

Further, the rotary spray arm gear and the rotary spray arm are integrally formed or assembled.

Further, a rack is arranged on the lower side of the rotary spray arm, the rack is meshed with a motor gear of the driving motor, and the driving motor drives the rotary spray arm to swing around a rotating shaft of the driving motor.

Further, rotatory spray arm is equipped with the through-hole, driving motor rotation axis end is equipped with the installation and detains the position, driving motor rotation axis end passes through the through-hole with detain position ring looks lock, thereby rotatory spray arm receives fore-and-aft direction's restraint when the rotation about.

Further, the rotary spray arm and the buckling ring are integrally formed or assembled.

A dishwasher, comprising a liner assembly and a spray arm device as described above provided on a sidewall of the liner.

The utility model discloses a spray arm device and dish washer have following advantage: the utility model discloses a motor drive inner tube realizes the spray arm rotation about, and the washing water is from the orifice blowout, realizes the washing to the dish washer about, the direction of controlling, simple structure, and convenient to use not only can be fan-shaped with water jet, sweeps the whole inner wall corner of container to make the rotatory washing effect of sweeping messenger's dish washer that washes repeatedly of jet stream obtain very big degree ground and improve, make this dish washer spray arm device have very strong practicality and popularization nature.

Drawings

FIG. 1 is a schematic view of the overall structure and a partially enlarged view of the position A of the embodiment of the present invention;

FIG. 2 is a front view of the overall structure of the embodiment of the present invention;

FIG. 3 is a sectional view taken along A-A of FIG. 2;

fig. 4 is a schematic view of a nozzle structure according to an embodiment of the present invention;

fig. 5 is a side view of the overall structure of an embodiment of the present invention;

fig. 6 is a schematic view of an installation structure according to another embodiment of the present invention;

FIG. 7 is a schematic view of the left and right rotation of the embodiment of the present invention;

fig. 8 is a sectional view of a mounting structure according to another embodiment of the present invention.

Description of the drawings: 1. rotating the spray arm; 101. spraying holes; 102. a rotary spray arm gear; 103. the spray arm rotates the through hole; 2. a drive motor; 201. a motor gear; 202. installing a buckling position; 3. and a buckling ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. 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 intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

It should be noted that the terms of orientation such as left, right, up, down, top and bottom in the present embodiment are only relative concepts or reference to the normal use state of the product, and should not be considered as limiting.

As shown in fig. 1 and 2, the utility model provides a spray arm device, which comprises a rotary spray arm 1 and a driving motor 2, wherein the rotary spray arm 1 is provided with at least one spray hole 101; the rotary spray arm 1 is meshed with the driving motor 2 directly or through a transmission mechanism, so that the rotary spray arm 1 can swing back and forth within a certain rotation angle under the action of the driving motor 2, water sprayed out of the spray holes 101 is radiated to all areas of the inner container of the dish-washing machine, the dish-washing machine can be cleaned in the vertical and horizontal directions, and the cleaning dead angle of the dish-washing machine is reduced.

The embodiment of the utility model provides an in, the lateral wall of rotatory spray arm 1 is arranged a plurality of holes 101 that spray to placing article water spray in the dish washer inner bag, respectively sprays the runner that hole 101 set up through rotatory spray arm 1 inside and is linked together with the mechanism of intaking of dish washer to make the washing water spray to the equidirectional spraying of not equidirectional through spraying hole 101 is whole or most, spray rinsing article in the dish washer.

Preferably, the openings of the spray holes 101 are arranged on the side wall of the rotary spray arm 1 in different directions, so that the washing water is sprayed to different directions through the spray holes 101 to spray and wash articles in the dishwasher.

Preferably, the swing range of the rotary nozzle arm is a sector region, and the range of the central angle corresponding to the sector is 0 ° to 120 °.

The embodiment of the utility model provides an in, 1 lower extreme of rotatory spray arm is equipped with rotatory spray arm gear 102 for one side of spraying hole 101, and this gear 102 meshes rather than the 2 rotation axis fixed connection's of drive motor of vertical extension motor gear 201 mutually, and rotatory spray arm gear 102 is direct or is connected through change gear set and drive motor's motor gear 201 meshes mutually, makes drive motor 2 drive the rotatory swing of axis of rotatory spray arm 1 around the drive motor rotation axis. The rotary spray arm gear 102 may be integrally formed or assembled with the rotary spray arm 1. The rotary spray arm gear 102 may be integrally formed with the motor gear 201. The embodiment of the utility model provides an in, through installing change gear group additional for high-speed motor and low-speed motor all are applicable to the utility model discloses.

As shown in fig. 3 to 5, preferably, the rotary spray arm 1 is vertically extended, the axis of the rotation shaft of the driving motor is perpendicular to the center of the rotary spray arm 1, the spray holes 101 are symmetrically arranged with respect to the center of the rotary spray arm 1, and the opening positions of the spray holes 101 are arranged in different directions, so that the rotary spray arm 1 rotates around the rotation shaft of the driving motor under the driving motor 2, and is engaged with the motor gear 201 of the driving motor through the rotary spray arm gear 102, so as to increase the coverage of the spray water during the rotation.

The embodiment of the utility model provides an in, set up in the rotatory spray arm 1 and spray hole 101 one side and rotatory spray arm gear 102 place one side and be equipped with platelike structure respectively, platelike structure fixes on the dish washer inner bag, and 1 lower extreme both sides of rotatory spray arm are equipped with the fixed axle respectively, and when driving motor 2 drove rotatory spray arm 1 rotatory, two fixed axle overlap joints play the fixed stay effect when making rotatory spray arm 1 carry out the horizontal hunting on platelike structure.

As shown in fig. 5 and 6, the rotary spray arm 1 extends vertically, is arranged on the side wall of the inner container of the dishwasher, swings left and right on the vertical surface, is sprayed out from the spray holes 101 through washing water, and the washing water is sprayed out from left to right in the back direction and from back to front, so that the washing in the up-down and left-right directions of the dishwasher is realized, and the washing dead angle of the dishwasher is reduced.

The utility model discloses a further embodiment, 1 lower extreme of rotatory spray arm is equipped with the rack for one side of spraying hole 101, and this rack meshes rather than the drive motor 2 rotation axis fixed connection's of vertical extension motor gear 201 mutually, makes drive motor 2 drive the rotatory swing of spray arm 1 around the axis of drive motor rotation axis.

As shown in fig. 7-8, according to another embodiment of the present invention, the driving motor 2 is fixed on the sidewall of the inner container of the dish washer, the end of the rotating shaft of the driving motor is provided with a fastening ring 202, the rotating shaft of the driving motor passes through the through hole 103 in the rotating spray arm 1 to be fastened with the fastening ring 3, and the rotating shaft of the driving motor drives the rotating spray arm 1 to swing. The rotary spray arm 1 is provided with a buckling device, so that the spray arm is restrained in the front-back direction when rotating left and right, and the rotary spray arm 1 is prevented from being separated in the front-back direction.

Preferably, the fastening ring 3 is integrally formed with the rotary nozzle arm 1 and directly fastened to the rotary nozzle arm 1 by the fastening portion 202.

The utility model discloses a motor drive inner tube realizes the spray arm rotation about, and the washing water is from the orifice blowout, realizes the washing to the dish washer about, the direction of controlling, simple structure, and convenient to use not only can be fan-shaped with water jet, sweeps the whole inner wall corner of container to make the rotatory washing effect of sweeping messenger's dish washer that washes repeatedly of jet stream obtain very big degree ground and improve, make this dish washer spray arm device have very strong practicality and popularization nature.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims

1. The spray arm device is characterized by comprising a rotary spray arm (1) and a driving motor (2), wherein the rotary spray arm (1) is vertically arranged, and a plurality of spray holes (101) are formed in the rotary spray arm (1); the end part of the rotary spray arm (1) is externally connected with the output end of the driving motor (2), and the driving motor (2) drives the rotary spray arm (1) to swing in a reciprocating mode in a vertical plane.

2. The spray arm device according to claim 1, characterized in that a rotary spray arm gear (102) is arranged on the lower side of the rotary spray arm (1), and the rotary spray arm gear (102) is meshed with a motor gear (201) of a driving motor, so that the driving motor (2) drives the rotary spray arm (1) to swing around a rotating shaft of the driving motor.

3. The spray arm device according to claim 1, characterized in that a rotary spray arm gear (102) is arranged on the lower side of the rotary spray arm (1), the rotary spray arm gear (102) is meshed with a motor gear (201) of a driving motor through a transmission mechanism, so that the driving motor (2) drives the rotary spray arm (1) to swing around a rotating shaft of the driving motor.

4. Spray arm arrangement according to claim 2 or 3, characterized in that the swing range of the rotating spray arm (1) around the end is a sector area.

5. The spray arm device of claim 4, wherein the range of the central angle corresponding to the fan shape is 0-120 °.

6. The spray arm device according to claim 4, characterized in that the rotary spray arm (1) is provided with a plate structure on both sides, and the rotary spray arm (1) is provided with a horizontally extending fixed shaft on both sides, and the fixed shaft is lapped on the plate structure and is used for fixing and supporting the rotary spray arm (1) during swinging left and right.

7. Spray arm device according to claim 1, characterized in that a rack is arranged on the underside of the rotary spray arm (1), the rack is engaged with a motor gear (201) of the drive motor, and the drive motor (2) drives the rotary spray arm (1) to swing around the drive motor rotation axis.

8. The spray arm device according to claim 2, wherein the rotary spray arm (1) is provided with a through hole (103), the end of the rotating shaft of the driving motor is provided with a mounting fastening position (202), and the end of the rotating shaft of the driving motor is fastened with the fastening position ring (3) through the through hole (103), so that the rotary spray arm (1) is restrained in the front-back direction during left-right rotation.

9. Spray arm device according to claim 8, characterized in that the rotating spray arm (1) is integrally formed or assembled with the snap ring (3).

10. A dishwasher, comprising a tub assembly and a spray arm arrangement according to any one of claims 1 to 9 arranged on a side wall of the tub.