WO2022166331A1

WO2022166331A1 - Driving device, base and dishwasher

Info

Publication number: WO2022166331A1
Application number: PCT/CN2021/133245
Authority: WO
Inventors: 张留广; 金亨浚
Original assignee: 佛山市顺德区美的洗涤电器制造有限公司; 美的集团股份有限公司
Priority date: 2021-02-08
Filing date: 2021-11-25
Publication date: 2022-08-11

Abstract

A driving device, a base (11) and a dishwasher. The driving device comprises a base (11), a rotating member (12), a transmission member (13), a transmission shaft (14), and a driving member (15). The rotating member (12) is rotatably provided on the base (11), and the rotating member (12) is used for connecting a spray arm (20). The transmission member (13) is movably provided on the base (11), and the transmission member (13) is transmittingly connected to the rotating member (12) to drive the rotating member (12) to rotate. The transmission shaft (14) is rotatably provided on the seat body (11), and the transmission shaft (14) is transmittingly connected to the transmission member (13) to drive the transmission member (13) to move. The driving member (15) is provided on the base (11), and the driving member (15) is transmittingly connected to the transmission shaft (14) to drive the transmission shaft (14) to rotate.

Description

Drive, base and dishwasher

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is required to be submitted to the China Patent Office on February 08, 2021, the application number is 202110172709.X, the application name is "drive device, seat and dishwasher", and the application is submitted to the China Patent Office on February 8, 2021, application number It is the priority of the Chinese patent application No. 202120355263.X with the application title of “Drive Device, Base and Dishwasher”, the entire contents of which are incorporated into this application by reference.

technical field

The present invention relates to the technical field of kitchen appliances, in particular to a driving device for a spray arm, a base body applied to the driving device, and a dishwasher including the driving device.

Background technique

The working process of the dishwasher is: put the dishes to be washed into the dishwasher, select the washing program, press the corresponding selection switch, turn on the power, and the program controller starts to work. After the water reaches a certain temperature, it is sprayed through the spray hole of the spray arm, and the spray arm rotates by the reaction force of the spray water, and continuously sprays the water on the tableware, thereby reducing the viscosity and adhesion of the grease, and then spraying the dirt. clean. Since the spray arm of the existing dishwasher is fixed on the base of the dishwasher, its driving force is the reaction force of spraying water, so the washing angle and the washing range of the spray arm are relatively fixed, which leads to the existing washing machine. The dishwasher has a dead angle for cleaning, and the tableware cannot be washed thoroughly.

SUMMARY OF THE INVENTION

An object of the present invention is to provide a driving device for a spray arm, which can drive the spray arm to achieve directional or limited-range flushing.

Another object of the present invention is to provide a base, which is suitable for the aforementioned driving device.

Another object of the present invention is to provide a dishwasher, which includes the aforementioned driving device.

A driving device for spray arms according to an embodiment of the present invention includes: a base body, a rotating member, a transmission member, a transmission shaft and a driving member, the rotating member is rotatably provided on the base body, and the rotating member It is used to connect the spray arm; the transmission member is movably arranged on the base body, and the transmission member is connected with the rotating member to drive the rotating member to rotate; the transmission shaft is rotatably arranged on the On the base body, the transmission shaft is drivingly connected with the transmission member to drive the transmission member to move; the driving member is drivingly connected with the transmission shaft to drive the transmission shaft to rotate.

According to the driving device for the spray arm according to the embodiment of the present invention, the spray arm can be driven to realize directional or limited-range flushing.

In addition, the driving device for the spray arm according to the above embodiment of the present invention may also have the following additional technical features:

Optionally, the rotation center axis of the rotating member extends in the longitudinal direction, the transmission member is movably arranged on the base body in the lateral direction, the transmission shaft extends in the vertical direction, the longitudinal direction, the lateral direction and the The vertical directions are perpendicular to each other.

Optionally, the base body is provided with a plurality of the transmission members arranged at vertical intervals, and the transmission shaft includes a plurality of the transmission shafts corresponding to the transmission members. connected, each of the transmission parts is in transmission connection with at least one of the rotating parts.

Optionally, the upper horizontal middle portion of the transmission member is drivingly connected to the transmission shaft, and both lateral ends of the transmission member are drivingly connected to at least one rotating member, so as to communicate with multiple transmission members through one transmission member. one of the rotating parts is driven.

Optionally, the transmission shaft includes a shaft portion and a first gear, the transmission member includes a first rack, and the first gear and the first rack mesh with each other.

Optionally, the transmission member further includes a first stop bar, the first stop bar is arranged in parallel with the first rack, and the gear teeth of the first rack are arranged on the first tooth On the side of the bar facing the first stop bar, the first gear is rotatably provided between the first stop bar and the first rack.

Optionally, a plurality of the first gears are coaxially connected to the shaft portion, the plurality of the first gears are arranged along the axial direction of the shaft portion, and the plurality of the first gears and the same shaft portion In a fixed connection, the transmission member includes a plurality of the first gears corresponding to the plurality of first gears, and each of the transmission members is correspondingly connected with at least one of the rotating members.

Optionally, one end of the shaft portion is connected with the driving member and the other end is connected with a first gear coaxially, and the first gear is integrally arranged and fixedly connected with the shaft portion.

Optionally, the driving member is provided on the base body.

Optionally, the seat body is provided with a positioning groove, the positioning groove and the transmission shaft extend in the same direction, and the transmission shaft is rotatably embedded in the positioning groove.

Optionally, a snap structure is provided in the positioning groove, an annular groove is provided on the peripheral surface of the transmission shaft, and the annular groove is buckled with the snap structure to position the drive shaft and make all the The drive shaft is rotatable.

Optionally, the base body is further provided with a fixing piece, the fixing piece is connected with the base body, and the fixing piece closes the positioning groove.

Optionally, the seat body includes a bottom plate, a first rib and a second rib, the first rib and the second rib are both connected to the bottom plate and are arranged opposite to each other, the first rib The positioning groove is defined between the rib and the second rib, the fixing member includes a baffle, a first flange and a second flange, the baffle covers the positioning groove, and the first flange The edge and the second flange are respectively arranged on the outer sides of the first rib and the second rib, and both the outer side of the first rib and the outer side of the second rib are provided with The first snap portion, the first and second flanges both include elastic pieces, the elastic pieces are provided with a second snap portion, the first snap portion and the second snap portion One of them is a card hole and the other is a card protrusion, and the card protrusion is correspondingly engaged with the card hole.

Optionally, the rotating member includes a second gear, the transmission member includes a second rack, and the second gear and the second rack mesh with each other.

Optionally, the transmission member further includes a second stop bar, the second stop bar is arranged in parallel with the second rack, and the gear teeth of the second rack are arranged on the second tooth On the side of the bar facing the second stop bar, the second gear is rotatably arranged between the second stop bar and the second rack.

Optionally, the transmission member includes a plurality of the second racks, and the plurality of the second racks are respectively used to drive the rotating member, so that one of the transmission members drives the plurality of spray arms to rotate.

Optionally, the transmission member includes a first rack and a second rack, the transmission shaft includes a first gear, the rotating member includes a second gear, and the first rack meshes with the first gear , the second rack meshes with the second gear, the first rack and the second rack both extend laterally, and the teeth of the first rack and the second rack The gear teeth are perpendicular to each other.

Optionally, the base body is provided with a guide groove, the transmission member is embedded in the guide groove, and the transmission member is movable along the extending direction of the guide groove.

Optionally, two opposite sides of the guide groove are provided with support blocks, and the support blocks are used to support the movement of the transmission member.

Optionally, the transmission member is configured as a one-piece structure.

Optionally, a support rod is provided on the base body, and the rotating member is rotatably supported on the support rod.

According to the seat body of the present invention, the seat body is suitable for the aforementioned driving device for the spray arm, the seat body is provided with a guide groove, the guide groove extends in the transverse direction, and the guide groove is configured to be suitable for The transmission member is accommodated and guided to move laterally.

Optionally, the base body is provided with a plurality of the guide grooves arranged at intervals in the vertical direction, the base body is further provided with positioning grooves, the positioning grooves extend vertically, and the guide grooves Crossing and communicating with the locating groove, the locating groove is configured to be adapted to receive a transmission shaft and to be adapted for rotation of the transmission shaft.

Optionally, the positioning groove is provided in the middle part of the base body along the lateral direction.

Optionally, the seat body includes a bottom plate and a first rib, a second rib, a third rib and a fourth rib arranged on the bottom plate, the first rib and the second rib The bars extend vertically and are spaced laterally to define the locating slots, and the third and fourth bars extend laterally and are spaced apart vertically to define the guide slots.

The dishwasher according to the present invention comprises: a body and a driving device, wherein the body is provided with a washing chamber; the driving device is the driving device for the spray arm according to the foregoing.

Optionally, the base body is provided with a plurality of the transmission members arranged at vertical intervals, one of the transmission shafts is drivingly connected with the plurality of the transmission members, and each of the transmission members is connected to at least one of the transmission members. The rotating part is connected in a drive.

Optionally, the dishwasher further includes a spray arm, the spray arm is adapted to be connected with the rotating member, and the spray arm extends coaxially with the rotation center axis of the rotating member.

Optionally, the seat body is arranged on the back plate of the body or the seat body is integrated with the back plate of the body.

Optionally, the driving member is arranged at one end of the base body along the vertical direction.

Description of drawings

FIG. 1 is a schematic diagram of a spray arm assembly according to an embodiment of the present invention.

FIG. 2 is a partial enlarged schematic view of the area circled A1 in FIG. 1 .

FIG. 3 is a partially enlarged schematic view of the area circled A2 in FIG. 1 .

Figure 4 is a cross-sectional view of a spray arm assembly of one embodiment of the present invention.

FIG. 5 is a partially enlarged schematic view of the area circled A3 in FIG. 4 .

FIG. 6 is a partial enlarged schematic view of the area circled A4 in FIG. 4 .

FIG. 7 is a cross-sectional view of section B1-B1 in FIG. 4 .

FIG. 8 is a partially enlarged schematic view of the area circled A5 in FIG. 7 .

FIG. 9 is a partially enlarged schematic view of the area circled A6 in FIG. 7 .

FIG. 10 is a cross-sectional view of section B2-B2 in FIG. 4 .

FIG. 11 is a partial enlarged schematic view of the area circled A7 in FIG. 10 .

12 is an exploded schematic view of a spray arm assembly according to an embodiment of the present invention.

FIG. 13 is a partial enlarged schematic view of the area circled A8 in FIG. 12 .

FIG. 14 is a schematic diagram of a fixing member of a spray arm assembly according to an embodiment of the present invention.

15 is a schematic diagram of a spray arm assembly according to another embodiment of the present invention.

FIG. 16 is a cross-sectional view of FIG. 15 .

FIG. 17 is a cross-sectional view of section B3-B3 in FIG. 16 .

FIG. 18 is a cross-sectional view of section B4-B4 in FIG. 16 .

FIG. 19 is a cross-sectional view of section B5-B5 in FIG. 16 .

FIG. 20 is an exploded schematic view of a spray arm assembly according to another embodiment of the present invention.

Reference number:

Spray arm assembly 100 , base 11 , bottom plate 111 , first rib 112 , second rib 113 , buckle structure 114 , positioning groove 1101 , first buckle portion 1102 , guide groove 1103 , support block 1104 , support rod 1105, the rotating member 12, the second gear 121, the transmission member 13, the first rack 131, the first stopper 132, the second rack 133, the second stopper 134, the transmission shaft 14, the shaft portion 141, the first A gear 142, annular groove 1401, driving member 15, water distribution member 16, shaft sleeve 161, boss 162, sealing ring 163, fixing member 17, baffle 171, first flange 172, second flange 173, elastic piece 174 , the second buckle portion 175 , the spray arm 20 .

Detailed ways

The present invention can adopt a slender spray arm, the spray arm 20 can rotate 360° around its own axis, the spray arm 20 is driven by a motor, and can realize regional washing and fixed-point washing. The technical solution provided by the present invention is that the spray arm 20 is driven by a motor, Driven by gear and rack transmission structure, the two spray arms 20 are symmetrical in structure, and the transmission scheme can be divided into three layers, each layer is driven by rack and pinion. In order to realize the driving of the spray arm 20, the present invention provides a driving device for the spray arm 20, through which the spray arm 20 can be driven to rotate.

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

As shown in FIG. 1 to FIG. 20 , the driving device for the spray arm 20 according to the embodiment of the present invention includes: a base body 11 , a rotating member 12 , a transmission member 13 , a transmission shaft 14 and a driving member 15 . The base 11 can provide support for the driving device, the rotating member 12 is used to connect the spray arm 20, and during the rotation of the rotating member 12, it will drive the spray arm 20 to rotate, and the combination of the transmission member 13 and the transmission shaft 14 is suitable for driving the The power of the rotating member 15 is transmitted to the rotating member 12 , so that the rotating member 12 (spray arm 20 ) is driven to rotate by the driving member 15 .

Specifically, the rotating member 12 is arranged on the base body 11, and the rotating member 12 is rotatable relative to the base body 11. The rotating member 12 can be used to connect the spray arm 20. When the spray arm 20 is connected to the driving device, The spray arm 20 is connected with the rotating member 12, and during the rotation of the rotating member 12, the spray arm 20 is driven to rotate. The transmission member 13 is arranged on the base body 11, and the transmission member 13 is movable relative to the base body 11. The transmission member 13 can be connected with the rotating member 12 in a transmission manner. The movement of the transmission member 13 can drive the rotating member 12 to rotate, that is to say , the movement of the transmission member 13 is converted into the rotation of the rotating member 12, and the transmission member 13 can perform translation or a combination of translation and rotation. The transmission shaft 14 is arranged on the base body 11 , and the transmission shaft 14 is rotatable relative to the base body 11 . The driving member 15 can be drive-connected with the transmission shaft 14 , and the driving member 15 can drive the transmission shaft 14 to rotate.

During the use of the driving device, the driving member 15 can drive the transmission shaft 14 to rotate, and the transmission member 13 is connected with the transmission shaft 14, so that the transmission shaft 14 transmits the power of the driving member 15 to the transmission member 13, and the transmission member 13 is connected with the rotation. The power of the driving member 15 is transmitted to the rotating member 12 through the transmission member 13, wherein, during the power transmission process, the rotational motion of the transmission shaft 14 is converted into the movement of the transmission member 13, and the movement of the transmission member 13 will be converted into the rotation of the rotating member 12 .

According to the driving device for the spray arm 20 according to the embodiment of the present invention, through the driving action of the driving member 15, directional or fixed-range flushing can be realized, and in the power transmission process, the transmission mode of rotation→moving→rotation is adopted. , the arrangement of each element can be facilitated, the requirement on the positional relationship between the various components is reduced, and the applicable scope and applicability of the driving device are improved.

In addition, in the present invention, in the transmission process through rotation→moving→rotation, the setting of the transmission at each stage can realize the driving of the spray arm 20 with a smaller torque, so that the driving of the spray arm 20 is more efficient. It is labor-saving, and the driving member 15 can also realize the driving of multiple rotating members 12 and spray arms 20. Of course, the driving device in the present invention can also be used for driving only one rotating member 12 or spray arm 20.

Wherein, the spray arm 20 may be configured such that the end portion of the spray arm 20 is connected to the rotating member 12 , and of course, other positions (eg, the middle portion) of the spray arm 20 may also be connected to the rotating member 12 . The spray arm 20 of the present invention can be arranged in a straight tube shape, and the driving device can be used to drive the spray arm 20 to rotate around the central axis of the spray arm 20 . Of course, the rotation of the spray arm 20 around other axes can also be realized by the rotating member 12 . In addition, the spray arm 20 of the present invention can be provided with structures such as nozzles, channels, etc. Therefore, a corresponding water distribution member 16 can be provided on the driving device of the present invention to realize water supply, detergent supply, etc. to the spray arm 20. In the present invention The water distribution member 16 can have different forms, and the present invention also provides a specific embodiment of the water distribution structure, so as to effectively improve the stability and practicability of the spray arm 20 during water spraying, cleaning and other processes.

In the present invention, the driving member 15 drives the transmission shaft 14 to rotate, and the driving member 15 can be configured to drive the transmission shaft 14 to rotate around the central axis of the transmission shaft 14. The transmission shaft 14, the rotating member 12, and the transmission member 13 in the present invention can be set In different orientations, for example, the transmission shaft 14 is arranged in a form parallel to the central axis of the rotating member 12 . Of course, in order to further improve the practicability and application scope of the drive device in the present application, the present invention provides a drive device of a specific embodiment.

1 to 20, in some embodiments of the present invention, the rotation center axis of the rotating member 12 extends longitudinally, the transmission member 13 is movably disposed on the base body 11 in the lateral direction, and the transmission shaft 14 extends vertically. Among them, for the convenience of understanding, the longitudinal, transverse and vertical directions in the present invention may be perpendicular to each other. It should be noted that the longitudinal, transverse and vertical directions in the present invention are not necessarily perpendicular to each other, and they may also be perpendicular to each other. There are other included angles, for example, the horizontal and vertical directions are set to have an included angle between 0° and 90°, the vertical direction is set to be perpendicular to the horizontal and vertical directions, and the like.

In a specific embodiment of the present invention, the longitudinal direction can be the front-rear direction, the lateral direction can be the left-right direction, and the vertical direction can be the up-down direction. In order to be able to clearly and completely describe the technical solutions of the present invention, the descriptions in the present invention are mainly based on the orientations shown in the accompanying drawings. This is mainly for the convenience of displaying the technical solutions to be protected by the present invention, and should not be construed as limiting the protection scope of the present invention. limits.

In the foregoing embodiment, the transmission shaft 14 and the rotation center axis of the rotating member 12 are arranged in a substantially vertical form, and the transmission of power is realized through the movement of the transmission member 13. The transmission shaft 14, the transmission member 13 and the rotating member 12 can be connected Similar to the movement in the same plane (the plane composed of the horizontal and vertical directions), the thickness (dimension in the longitudinal direction) of the driving device can be greatly reduced. When the driving device is applied to the dishwasher, The driving device can be located where the side wall, top wall, back plate and bottom plate 111 of the dishwasher are located. At this time, each wall of the dishwasher will have a large enough area to accommodate the driving device, and the The thickness is also relatively small, so the occupied space of the drive device can be greatly reduced and the space utilization rate can be improved.

In addition, the present invention realizes the power transmission of the driving member 15 through the transmission of the transmission shaft 14, and the transmission member 13 extends vertically. The power transmission of the transmission shaft 14 to the plurality of transmission parts 13 and the rotating parts 12 effectively simplifies the structure of the driving device, for which, the present invention provides a more complete embodiment hereinafter.

In addition, in the present invention, the driving member 15 needs to provide power to the entire driving device, and the mention of the driving member 15 has a great influence on the driving device. Therefore, in the present invention, the driving member 15 can be arranged on the base body 11 along the vertical direction. At one end, the motor can be reduced while occupying the washing space of the dishwasher. Specifically, when the driving device is applied to a dishwasher, the driving device can be arranged on the wall of the dishwasher (of course, other positions are also possible), and the middle position of the driving device corresponds to the central area of the dishwasher , the impact on the washing space in the dishwasher is relatively large. Therefore, in the present invention, by arranging the driving member 15 at the vertical end of the base body 11, the impact of the driving member 15 on the washing space in the dishwasher can be reduced. Wherein, the driving member 15 in the present invention can be a motor. Generally, the circumferential length of the motor is greater than the radial dimension of the motor. Coaxial arrangement with the transmission shaft 14 reduces the space occupied by the motor and further improves the space utilization.

Of course, those skilled in the art can understand that, in order to realize the rotation of the transmission shaft 14, there are enough embodiments in the art. In the above description of the present invention, the driving member 15 is set as a motor, which is only a specific embodiment of the present invention. , which is not intended to limit the scope of protection of the present invention.

Similarly, in the present invention, the transmission structure of the transmission shaft 14 and the transmission member 13, and the transmission mechanism of the transmission member 13 and the rotating member 12 can all be in a variety of different forms, such as through a link mechanism, a slider mechanism, etc. Of course, , other transmission mechanisms in the prior art can also be used in the present invention. In the following, the present invention mainly realizes the power transmission from rotation to movement and movement to conversion through a rack and pinion mechanism, which is mainly to realize the technical solution of the application. It is not intended to limit the protection scope of the present invention.

Optionally, in the present invention, a plurality of transmission members can be connected through a transmission shaft, so that a plurality of transmission members are transmitted through a transmission shaft, that is, the power of the driving member is transmitted to a plurality of transmission members through a transmission shaft . Specifically, a plurality of transmission members arranged at vertical intervals can be arranged on the base body, and a transmission shaft is connected to a plurality of transmission members in a driving manner, so that a plurality of transmission members can be connected by a transmission shaft, so as to realize driving through a transmission shaft. Multiple transmission parts move. In addition, each transmission member can be connected with at least one rotating member in a transmission manner, therefore, the rotation of multiple rotating members can be realized through one transmission shaft, thereby realizing the driving of multiple spray arms, thereby simplifying the structure of the driving device.

In addition, in the present invention, multiple transmission parts can also be connected through multiple transmission shafts, and multiple transmission parts can be driven by multiple transmission shafts, wherein the multiple transmission shafts can be driven by the same motor, or the multiple transmission shafts can also Driven by different motors. Specifically, a plurality of transmission members arranged vertically can be arranged on the base body, and the plurality of transmission members can be arranged at intervals from each other, and a plurality of transmission shafts are provided, and the plurality of transmission shafts and the plurality of transmission members can be correspondingly driven. connected, and each transmission element is in transmission connection with at least one rotating element. In this way, a plurality of transmission members can be connected through a plurality of transmission shafts, so that the movement of the plurality of transmission members can be driven by the plurality of transmission shafts. In addition, each transmission member can be connected with at least one rotating member in a transmission manner, therefore, the rotation of the multiple rotating members can be realized through a plurality of transmission shafts, thereby realizing the driving of the multiple spray arms.

Wherein, the plurality of transmission shafts and the plurality of transmission members may be in a one-to-one driving connection, and the number of the plurality of transmission shafts and the plurality of transmission members may also be different, for example, three transmission members, two transmission shafts, etc. are provided. . Wherein, when there are multiple transmission shafts, each of the multiple transmission shafts can be used to drive one or more transmission members.

Optionally, a transmission member in the present invention can be configured to drive a plurality of rotating members, that is, after a transmission member is driven by the driving member and the transmission shaft, the transmission member can drive a plurality of rotating members to rotate, so as to realize the rotation of the transmission member. Drive for multiple booms. Optionally, the middle portion of the transmission member in the transverse direction can be drivingly connected with the transmission shaft, and both ends of the transmission member in the transverse direction are drivingly connected with at least one rotating member, so as to transmit the transmission member with a plurality of rotating members. That is to say, the middle part of the transmission member is driven with the transmission shaft, and the left and right ends of the transmission member are driven with the rotating member, so that a plurality of rotating parts can be driven by one transmission member, which simplifies the structure of the driving device. In addition, in the present invention, the transmission The part of the transmission connection between the transmission part and the rotating part, and the part of the transmission connection between the transmission part and the transmission shaft can also be arranged in the transverse direction of the transmission part, respectively. Of course, in the present invention, the stability of the driving device can be improved by transmitting the two ends of the transmission element with the rotating element, and the middle part of the transmission element with the transmission shaft.

2, 8 and 11, in some embodiments of the present invention, the transmission shaft 14 may include a shaft portion 141, the shaft portion may be drivingly connected with the driving member, and the transmission shaft 14 may further include a first gear 142, The transmission member 13 may include a first rack 131 , the first gear 142 and the first rack 131 may be meshed with each other, and the rotation of the first gear 142 may be transmitted to the first rack 131 to realize the rotational movement of the transmission shaft 14 It is transmitted to the transmission member 13 and realizes the movement of the transmission shaft 14 . The shaft portion 141 can be coaxially connected with the first gear 142. Through the transmission of the rack and pinion, the rotational movement of the transmission shaft 14 can be easily converted into the movement of the transmission member 13, thereby improving the stability and transmission efficiency of power transmission.

In addition, the transmission shaft 14 of the present invention may be a hollow shaft or a solid shaft.

Optionally, as shown in FIG. 8 , the transmission member 13 may further include a first stop bar 132 , the first stop bar 132 may be arranged in parallel with the first rack 131 , and the gear teeth of the first rack 131 may be arranged On the side of the first rack 131 facing the first stop bar 132, that is, the gear teeth of the first rack 131 face the space between the first rack 131 and the first stop bar 132, the first The gear 142 is arranged between the first stop bar 132 and the first rack 131 , and the first gear 142 can rotate. During use, the first gear 142 will rotate. The rack 131 is meshed, and the rotation of the first gear 142 will drive the first rack 131 to move, so that the first gear 142 can rotate relative to the first rack 131 , and the first gear 142 is relative to the first rack 131 It is movable along the extending direction of the first rack 131 . By setting the stop bar, the position of the first gear 142 can be limited, the first gear 142 and the first rack 131 can be prevented from being disengaged, and the stable transmission of power between the first rack 131 and the first gear 142 can be realized. The stability of power transmission between the transmission shaft 14 and the transmission member 13 is improved.

Optionally, the present invention can realize the transmission of multiple transmission parts through one transmission shaft 14. For example, the shaft part 141 of the present invention can be provided with a plurality of first gears 142, and the plurality of first gears 142 can be coaxial with the shaft part. A plurality of first gears 142 can be arranged along the axial direction of the shaft portion 141, wherein the plurality of first gears can be fixedly connected with the same shaft portion, so as to transmit power to a plurality of first gears through one shaft portion a gear. The transmission element 13 may include a plurality of transmission elements 13 corresponding to the arrangement of the plurality of first gears 142 . In this way, during use, the plurality of first gears 142 on the transmission shaft 14 can be used to drive different transmission parts 13 respectively, and each transmission part 13 can be used to drive one or more rotating parts 12 correspondingly. The plurality of first gears 142 provided on the transmission shaft 14 can realize the driving of the plurality of transmission parts, thereby realizing the purpose of driving the plurality of spray arms 20 to rotate.

The plurality of transmission members and the plurality of first gears 142 may be arranged in a one-to-one correspondence, and the numbers of the transmission members and the first gears may also be different, for example, three transmission members and two first gears 142 are provided.

Wherein, each transmission member can be correspondingly connected to at least one rotating member, that is, each transmission member is correspondingly connected to at least one rotating member, so that multiple transmission members can be used to realize the transmission of multiple rotating members , and then achieve the purpose of driving multiple spray arms to rotate.

The plurality of first gears 142 in the present invention may all be arranged on the integral shaft portion 141, or the shaft portion 141 may be arranged to be formed by splicing a plurality of shaft segments, and the first gears 142 may be arranged on at least two different shaft segments. A gear 142 . In addition, the first gear 142 may be integrally formed with the shaft portion 141. If a plurality of first gears 142 are provided on the first shaft portion 141, at least a part of the plurality of first gears 142 may be formed with the first shaft portion. 141 in one piece. Of course, the transmission shaft 14 in the present invention can also be set in other forms. The above descriptions of the present invention are only some specific embodiments of the present invention, and are not intended to limit the protection scope of the present invention. The following describes an implementation of the present invention with reference to the accompanying drawings. Example of the transmission shaft 14 structure.

As shown in FIG. 20 , one end of the shaft portion 141 can be connected to the driving member 15, and the other end of the shaft portion 141 can be provided with a first gear 142. The first gear 142 can be provided separately from the shaft portion 141, and the first gear 142 is connected to The shaft portion 141 is connected, and the first gear 142 and the shaft portion 141 are relatively fixed in the circumferential direction of the shaft portion 141 , or in other words, the first gear and the shaft portion are provided integrally, and the first gear and the shaft portion are fixedly connected. That is to say, the first gear 142 and the shaft portion 141 are separately formed and connected together, and the first gear 142 can be driven to rotate by the shaft portion 141 . The first gear 142 and the shaft portion 141 are formed separately, thereby simplifying the structure of the shaft portion 141 and improving the molding efficiency of the shaft portion 141 . The manufacturing and installation accuracy of the shaft portion 141 will be superimposed. Since one end of the shaft portion 141 is connected to the driving member 15, in order to ensure the stability of the connection between the shaft portion 141 and the driving member 15, it is necessary to ensure the matching accuracy of the shaft portion 141 and the driving member 15. Therefore, the shaft The manufacturing accuracy of the shaft portion 141 and the matching accuracy of the shaft portion 141 and the first gear 142 will be superimposed on the other end of the shaft portion 141. Therefore, in the present invention, the first gear 142 at the other end of the shaft portion 141 is combined with the shaft portion. After the 141 is installed separately, it can facilitate the installation of the transmission shaft 14, improve the installation efficiency of the transmission shaft 14, and prevent the transmission shaft 14 from being unable to be installed in place or difficult to install due to the manufacturing and assembly accuracy.

The other end of the shaft portion 141 can be set in a non-circular column shape (for example, the cross-section is D-shaped, arched, plum blossom, etc.), and the first gear 142 at the other end of the shaft portion 141 can be provided with holes of corresponding structure and size , through the shaft portion 141 and the shaft hole of the first gear 142, the stable connection between the shaft portion 141 and the first gear 142 is realized, and the first gear 142 can be easily driven by the shaft portion 141 to rotate. The shaft portion 141 and the first gear 142 are arranged in the form of interference fit, etc., to achieve stable connection between the shaft portion 141 and the first gear 142 .

Optionally, the driving member in the present invention can be arranged on the base, so as to facilitate the integration of the driving device, simplify the driving member, and facilitate the installation of the driving member. In addition, the driving member can also be installed on other structures. The drive shaft can be driven, for example, in a dishwasher with the drive device, the drive member can be installed in the inner tank, the outer shell or other positions of the dishwasher.

In addition, the transmission shaft 14 in the present invention is mounted on the base body 11 , and for this purpose, the present invention provides a corresponding mounting structure on the base body 11 .

6, in some embodiments of the present invention, a positioning groove 1101 may be provided on the seat body 11, the positioning groove 1101 may extend in the same direction as the transmission shaft 14, the transmission shaft 14 may be embedded in the positioning groove 1101, and the transmission shaft 14 may turn. Therefore, the transmission shaft 14 can be stably installed on the base body 11 , and the stable rotation of the transmission shaft 14 can be facilitated so as to transmit the power of the driving member 15 to the transmission member 13 . In addition, the thickness of the drive device can be further reduced.

Optionally, referring to FIG. 4 and FIG. 6 , the base body 11 includes a bottom plate 111 , a first rib 112 and a second rib 113 , the first rib 112 is connected to the bottom plate 111 , and the second rib 113 is connected to the bottom plate 111 , And the first rib 112 and the second rib 113 are disposed opposite to each other, and there is a gap between the first rib 112 and the second rib 113 , so that a positioning groove is formed between the first rib 112 and the second rib 113 1101. Of course, in the present invention, a concave structure can also be provided on the bottom plate 111, so that the positioning groove 1101 is formed by the concave structure. In addition, the transmission shaft 14 in the present invention may be configured to be partially embedded in the positioning groove 1101 , or the entire transmission shaft 14 may be embedded in the positioning groove 1101 , that is, the transmission shaft 14 protrudes from the positioning groove 1101 .

In order to further improve the stability of the transmission shaft 14 , a buckle structure 114 can be provided on the base body 11 to position the transmission shaft 14 . The buckle structure 114 is formed to realize the positioning of the transmission shaft 14; in addition, a buckle structure 114 can also be provided on the base body 11, and an annular groove 1401 is arranged on the transmission shaft 14. The positioning of the transmission shaft 14 is achieved. Of course, in the present invention, the buckle structure 114 can also be combined with the positioning groove 1101 to further improve the installation efficiency and stability of the transmission shaft 14 .

In the present invention, a first convex ring and a second convex ring can be provided on the outer peripheral surface of the transmission shaft 14, and the first convex ring and the second convex ring are spaced apart along the extending direction of the transmission shaft 14 and define an annular groove.

4 and 6, in some embodiments of the present invention, a snap structure 114 may be provided in the positioning groove 1101, an annular groove 1401 may be provided on the peripheral surface of the transmission shaft 14, and the annular groove 1401 may be locked with the snap structure 114 together to position the transmission shaft 14 and make the transmission shaft 14 rotatable. The buckle structure 114 in the present invention can be set in an annular shape with an opening, and the opening size of the buckle structure 114 is smaller than the maximum radial dimension in the buckle structure 114, so that the opening size in the buckle structure 114 is small, In addition, a portion of the opening of the buckle structure 114 has a shape with a gradually increasing width inward, so that the transmission shaft 14 can be stably installed on the base body 11 . In addition, the shape and size of the buckle structure 114 in the present invention can be equivalent to the shape and size of the inner bottom surface of the annular groove 1401, and the width of the buckle mechanism can also be set to a form equivalent to the width of the annular groove 1401, for example , the buckle structure 114 can be transitionally matched with the annular groove 1401 in the width direction, so that the buckle structure 114 can position the transmission shaft 14 in the axial direction, and effectively improve the stability of the transmission shaft 14 and the transmission member 13 .

In addition, as mentioned above, the seat body 11 in the present invention is provided with a positioning groove 1101. In order to facilitate the installation of the transmission shaft 14, one side of the positioning groove 1101 is open, and the opposite sides of the positioning groove 1101 have the ability to elastically deform. In order to facilitate the installation of the transmission shaft 14, the elastic deformation ability of the opposite sides of the positioning groove 1101 will affect the stability of the operation of the transmission shaft 14. Therefore, in the present invention, a fixing member 17 is provided on the base body 11, and through the fixing member 17. The open side of the positioning groove 1101 can be closed, and the stable installation of the transmission shaft 14 can be realized. Specifically, in some embodiments of the present invention, a fixing member 17 may be provided on the base body 11 , the fixing member 17 may be connected with the base body 11 , and the fixing member 17 is arranged to close the positioning groove 1101 .

In addition, in combination with the foregoing embodiments, the positioning groove 1101 may be constructed by the first rib 112 and the second rib 113 disposed oppositely. Therefore, in conjunction with FIG. 4 to FIG. 14 , the fixing member 17 in the present invention may include a fixing member 17 includes a baffle 171, a first flange 172 and a second flange 173, wherein the first flange 172 and the second flange 173 can be respectively connected to the opposite side edges of the baffle 171, so that the fixing member 17 forms a cross-section Roughly C-shaped or U-shaped. Specifically, the baffle 171 can cover the positioning groove 1101 , the first flanges 172 can be arranged on the outer sides of the first ribs 112 and the second ribs 113 , and the second flanges 173 can be respectively arranged on the first ribs 112 and the outside of the second rib 113, for example, the first flange 172 is provided on the side of the first rib 112 away from the second rib 113, and the second flange 173 is provided on the side away from the second rib 113 One side of the first rib 112 covers the positioning groove 1101 by the fixing member 17 .

In addition, a first snap portion 1102 is provided on the outer side of the first rib 112 , and a first snap portion 1102 is also provided on the outer side of the second rib 113 . The second snap portion 175 and the second snap portion 175 are also provided on the second flange 173, so that when the fixing member 17 is fastened on the positioning groove 1101, the second snap portion 175 on the first flange 172 It can be buckled with the first buckle portion 1102 on the first rib 112, and the second buckle portion 175 on the second flange 173 can also be buckled with the second buckle portion 175 on the second rib 113. Thus, the stable installation of the fixing member 17 and the base body 11 is realized.

In addition, in order to further improve the assembling efficiency of the fixing member 17 and the base body 11 , in the present invention, an elastic piece 174 structure can be provided on the base body 11 and/or the fixing piece 17 , and the first snap portion 1102 or The second snap portion 175, in this way, in the process of installing the fixing piece 17, the elastic piece 174 can have the ability to elastically deform, so as to facilitate the quick installation of the fixing piece 17, and, when it needs to be disassembled, the deformation ability of the elastic piece 174 is also The convenience of disassembly of the fixing member 17 can be improved, thereby facilitating the maintenance of the driving device. As mentioned above, the elastic pieces 174 in the present invention may be arranged on the base body 11 or may be arranged on the fixing member 17 . In combination with the foregoing embodiments, when the elastic piece 174 is disposed on the base body 11 , the elastic piece 174 may be disposed on the first rib 112 and/or the second rib 113 , and the first snap portion 1102 may be disposed on the elastic piece 174 . Of course, elastic pieces 174 may also be provided on both the fixing member 17 and the base body 11 . In addition, the present invention also provides a specific embodiment.

In combination with the foregoing embodiments, the first flange 172 includes an elastic piece 174 , the second flange 173 also includes an elastic piece 174 , and a second buckle portion 175 may be provided on the elastic piece 174 .

In addition, in the present invention, one of the first snap portion 1102 and the second snap portion 175 includes a snap hole and the other includes a snap protrusion, and the snap protrusion and the snap hole are correspondingly engaged. For example, the first snap portion 1102 includes a snap hole, the second snap portion 175 includes snap protrusions, and the snap protrusions engage with the snap holes correspondingly; for another example, the first snap portion 1102 includes snap protrusions and the second snap portion 175 Including a card hole, the card protrusion and the card hole are correspondingly engaged; for another example, the first hook portion 1102 includes a card protrusion and a card hole, the second hook portion 175 includes a card protrusion and a card hole, and the first hook portion 1102 includes a card protrusion and a card hole. The latching protrusions engage with the latching holes in the second latching portion 175 correspondingly, and the latching holes in the first latching portion 1102 engage correspondingly with the latching protrusions in the second latching portion 175 .

In addition, in combination with the foregoing embodiments, the first flange 172 and the second flange 173 in the present invention can also be embedded in the inner side of the first and second ribs 113 . The fixing member 17 and the base body 11 can also be positioned by other positioning structures to achieve stable positioning of the transmission shaft.

In the present invention, the transmission form between the transmission member 13 and the rotating member 12 may also be in the form of a rack and pinion.

3 , 4 , 5 , 7 , and 9 , etc., in some embodiments of the present invention, the rotating member 12 may include a second gear 121 , the transmission member 13 may include a second rack 133 , and the second gear 121 and the second rack 133 can be meshed with each other, and the rotation of the second rack 133 can be transmitted to the second gear 121, so as to realize the transmission of the moving motion of the transmission member 13 to the rotating member 12, and realize the rotation of the rotating member 12. . Wherein, through the transmission of the rack and pinion, the movement of the transmission member 13 can be easily converted into the rotation of the rotating member 12, thereby improving the stability and transmission efficiency of power transmission.

Optionally, the transmission member 13 may further include a second stop bar 134 , the second stop bar 134 may be arranged in parallel with the second rack 133 , and the gear teeth of the second rack 133 may be arranged on the second rack 133 The upper side faces the second stop bar 134, that is, the gear teeth of the second rack 133 face the space between the second rack 133 and the second stop bar 134, and the second gear 121 is arranged on the second Between the stop bar 134 and the second rack 133, the second gear 121 can move and rotate. During use, the second rack 133 will move. Since the second gear 121 meshes with the second rack 133, the movement of the second rack 133 will drive the second gear 121 to rotate. In this way, the second gear 121 The second gear 121 is rotatable relative to the second rack 133 , and the second gear 121 is movable relative to the second rack 133 along the extending direction of the second rack 133 . By setting the stop bar, the position of the second gear 121 can be limited, the second gear 121 and the second rack 133 can be prevented from being disengaged, and the stable transmission of power between the second rack 133 and the second gear 121 can be realized. The stability of power transmission between the transmission member 13 and the rotating member 12 is improved.

Optionally, with reference to FIGS. 15 to 20 , the present invention can realize the transmission of multiple rotating members 12 through one transmission member 13 . For example, the transmission member 13 of the present invention includes a plurality of second racks 133 , a plurality of second The racks 133 are arranged corresponding to the plurality of second gears 121 . In this way, during use, the plurality of second racks 133 on the transmission member 13 can be used to drive different rotating members 12 respectively, and each second rack 133 can be used to drive one or more rotating members correspondingly 12. Through the plurality of second racks 133 provided on the transmission member 13, the driving of the plurality of rotating members 12 can be realized, thereby realizing the purpose of driving the plurality of spray arms 20 to rotate.

Wherein, the plurality of second racks 133 in the present invention may be arranged in an integrated structure, or the transmission member 13 may be arranged to be formed by splicing a plurality of parts. The plurality of second racks 133 in the present invention can be arranged in the form of being parallel to each other, with overlapping extending directions and having an included angle with each other, and the structure and shape of the transmission member 13 can be set according to different driving requirements. Of course, the transmission member 13 in the present invention can also be set in other forms. The above descriptions of the present invention are only some specific embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. The following describes an implementation of the present invention with reference to the accompanying drawings. Example of the transmission shaft 14 structure.

In combination with the foregoing embodiments, the transmission member 13 includes a first rack 131 and a second rack 133 . The first rack 131 is used to receive the power of the transmission shaft 14 , and the second rack 133 is used to output the power to the rotating member 12 . , so that the stable output of power can be achieved through the transmission member 13 .

Optionally, the transmission member 13 may include a plurality of second racks 133 , and the plurality of second racks 133 may be respectively used to drive the rotating member 12 , so that a transmission member 13 can drive a plurality of spray arms 20 to rotate.

4 and 5 , optionally, a guide groove 1103 may be provided on the base body 11 , the transmission member 13 may be embedded in the guide groove 1103 , and the transmission member 13 may be movable along the extending direction of the guide groove 1103 . Therefore, the transmission member 13 can be stably installed on the base body 11 , and it is convenient for the transmission member 13 to stably transmit rotation, so as to transmit the power of the driving member 15 to the rotating member 12 . In addition, the thickness of the drive device can be further reduced.

Optionally, two opposite sides of the guide groove 1103 may be provided with support blocks 1104 , and the support blocks 1104 may be used to support the movement of the transmission member 13 . In this way, the surface contact between the transmission member 13 and the guide groove 1103 is converted into a point contact between the transmission member 13 and the support block 1104, or the contact area between the transmission member 13 and the guide groove 1103 is reduced, thereby reducing the The problem that the contact surface is too large affects the movement of the transmission member 13 , and the guide groove 1103 can also have a certain limiting effect, thereby further improving the stability of the movement of the transmission member 13 .

Optionally, the transmission element 13 is constructed in one piece. As mentioned above, the transmission member 13 includes a first part which is drivingly connected with the transmission shaft and a second part which is drivingly connected with the rotating member 12, and the first part and the second part in this application can be inherited together, thereby effectively improving the The structural strength of the transmission member 13 is improved, and the stable transmission of power is facilitated.

Wherein, the first part can be integrally formed with the second part, and the first part and the second part can also be separately formed and installed together. Wherein, as mentioned above, the second part may include a plurality of parts, for example, one or more second parts are respectively connected at opposite ends of the extending direction of the first part; a plurality of second parts may also be connected in sequence at one end of the extending direction of the first part a second part, wherein, in combination with the foregoing embodiments, the first part may be the first rack 131 , and the second part may be the second rack 133 .

Optionally, in combination with the foregoing description, the transmission member may include a first rack and a second rack, the first rack and the transmission shaft may be driven, the transmission shaft may include a first gear, and the first rack may be engaged with the first gear , through the meshing of the first rack and the first gear, the transmission of the first rack and the transmission shaft is realized. The second rack drives the rotating member, the rotating member may include a second gear, and the second rack may mesh with the second gear. Through the meshing of the second rack and the second gear, the transmission between the second rack and the rotating member is realized. . Both the first rack and the second rack may extend laterally.

In addition, the gear teeth of the first rack and the gear teeth of the second rack may be perpendicular to each other. The transmission shaft may extend vertically, and the first gear is coaxially connected to the transmission shaft. Therefore, the gear teeth of the first rack may be in the shape of extending vertically; the rotation center axis of the rotating member may extend longitudinally, and the The second gear meshes with the second rack, therefore, the teeth of the second rack can be in the form of extending in the longitudinal direction, so that the teeth of the second rack and the teeth of the first rack are perpendicular to each other.

Optionally, two ends of the first rack in the transverse direction are respectively connected with a second rack, and each second rack is engaged with at least one second gear.

In addition, the base body 11 of the present invention is provided with a support rod 1105 , and the rotating member 12 is rotatably supported on the support rod 1105 . Thereby, the effective positioning of the rotating member 12 is realized. Specifically, one end of the support rod 1105 in the present invention is fixedly connected to the bottom plate 111 on the base body 11, and the end of the fixed rod connected to the bottom plate 111 can be provided with a reinforcing structure, for example, in the A reinforcing rib is connected between the fixed rod and the bottom plate 111, and one end of the fixed rod is thickened and then connected to the bottom plate 111, so as to realize the stable connection between the fixed rod and the bottom plate 111, and the other end of the fixed rod can be set in a shape of gradually decreasing size, and also That is, the other end of the fixing rod is provided in a pointed shape. The rotating member 12 is correspondingly provided with a matching groove, which facilitates the stable and rapid cooperation between the fixing rod and the matching groove, and realizes the stable installation of the rotating member 12 .

In addition, the other side of the rotating member 12 may be provided with a connection structure, which is used to connect the spray arm 20 . The structure corresponding to the shaped rod can realize the stable connection between the rotating member 12 and the spray arm 20, and improve the power transmission effect of the rotating member 12 to the spray arm 20.

In addition, the driving device in the present invention is used to connect and drive the spray arm 20, and for this purpose, water needs to be supplied to the spray arm 20. Therefore, the driving device in the present invention may also include a water supply mechanism, for example, in some embodiments of the present invention The driving device further includes a water distribution member 16 , which is connected with the base body 11 , and is configured to be suitable for supplying water to the spray arm 20 . By supplying water to the spray arm 20 by the water distribution member 16, the spray arm 20 can be sprayed with water to facilitate cleaning.

Optionally, referring to FIG. 12 and FIG. 20 , the water distribution member 16 may include a shaft sleeve 161 suitable for socketing the spray arm 20 , a boss 162 may be provided on the peripheral wall of the shaft sleeve 161 , and the boss 162 may be along the axis of the shaft sleeve 161 . Circumferentially disposed, the boss 162 is used to support the spray arm 20 . Wherein, the bosses 162 can be arranged in an annular shape, so that the bosses 162 can support the outer peripheral surface of the spray arm 20; in addition, the bosses 162 can also be arranged in a plurality of intervals along the circumferential direction of the shaft sleeve 161, which can also achieve the same Support for spray arm 20. In addition, a water passage hole is provided on the peripheral wall of the shaft sleeve 161 . In this way, water can enter the space between the spray arm 20 and the shaft sleeve 161 through the water passage holes on the peripheral wall of the bushing 161. In addition, a corresponding hole can be provided on the peripheral wall of the end of the spray arm 20, so that , the water in the space between the spray arm 20 and the shaft sleeve 161 will enter the spray arm 20 , so as to realize the water supply to the spray arm 20 .

Of course, the water distribution member 16 in the present invention can also be arranged in other forms, for example, in the form of water inlet along the axial direction of the spray arm 20, and the shaft sleeve 161 and the spray arm 20 in the present invention can be arranged coaxially, The spray arm 20 can also be arranged eccentrically with the shaft sleeve 161 .

It should also be noted that the water distribution member 16 and the rotating member 12 in the present invention can be connected to the same end of the spray arm 20, so as to realize the connection with the same end of the spray arm 20 through the driving device, so as to realize the water intake and drive of the spray arm 20, In order to simplify the structure of the driving device, and simplify the connection structure between the driving device and the spray arm 20 .

In addition, the present invention also provides a spray arm assembly 100 , and the spray arm assembly 100 may include the aforementioned driving device.

Specifically, with reference to FIGS. 1 to 20 , the spray arm assembly 100 according to an embodiment of the present invention may include a driving device and a spray arm 20 , and the driving device may be the aforementioned driving device for the spray arm 20 , the spray arm 20 It can be connected coaxially with the rotating member 12 .

According to the spray arm assembly 100 of the embodiment of the present invention, through the driving action of the driving member 15, directional or fixed-range flushing can be realized, and, in the power transmission process, the transmission mode of rotation→moving→rotation is adopted, which can facilitate each The arrangement of the components reduces the requirement on the positional relationship between the various components, and improves the application range and applicability of the driving device.

Wherein, as mentioned above, the driving device further includes a water distribution member, through which water is supplied to the spray arm, wherein one end of the spray arm is drivingly connected with the rotating member, and the end of the spray arm is matched with the water distribution member so as to be suitable for water distribution by the water distribution member. piece of water supply.

In addition, the present invention also provides a seat, which is suitable for the aforementioned driving device for spray arms.

Wherein, the base body may be provided with a guide groove, the guide groove may extend laterally, the guide groove may be configured to accommodate the transmission member, and the guide groove is also suitable for guiding the transmission member to move laterally. In other words, referring to FIGS. 4 and 5 , a guide groove 1103 may be provided on the base body 11 , the guide groove 1103 is suitable for embedding the transmission member 13 , and the guide groove 1103 is suitable for the transmission member 13 to move along. Therefore, the transmission member 13 can be stably installed on the base body 11 , and it is convenient for the transmission member 13 to stably transmit rotation, so as to transmit the power of the driving member 15 to the rotating member 12 . In addition, the thickness of the drive device can be further reduced.

Optionally, one guide groove or multiple guide grooves may be provided on the base body, and when multiple guide grooves are provided on the base body, the multiple guide grooves may be arranged on the base body at intervals along the vertical direction.

Optionally, the seat body may also be provided with a positioning slot, the positioning slot may extend vertically, the guide slot and the positioning slot may intersect and communicate with each other, the positioning slot may be configured to accommodate the transmission shaft, and the positioning slot is suitable for The drive shaft rotates.

Wherein, in the driving device with the base, the positioning groove 1101 can extend in the same direction as the transmission shaft 14, the transmission shaft 14 can be embedded in the positioning groove 1101, and the transmission shaft 14 can rotate. Therefore, the transmission shaft 14 can be stably installed on the base body 11 , and the stable rotation of the transmission shaft 14 can be facilitated so as to transmit the power of the driving member 15 to the transmission member 13 . In addition, the thickness of the drive device can be further reduced.

Optionally, the base body includes a bottom plate and a first rib and a second rib disposed on the bottom plate. The first rib and the second rib extend vertically and are spaced apart laterally to form a positioning groove. Optionally, referring to FIG. 4 and FIG. 6 , the base body 11 includes a bottom plate 111 , a first rib 112 and a second rib 113 , the first rib 112 is connected to the bottom plate 111 , and the second rib 113 is connected to the bottom plate 111 , And the first rib 112 and the second rib 113 are disposed opposite to each other, and there is a gap between the first rib 112 and the second rib 113 , so that a positioning groove is formed between the first rib 112 and the second rib 113 1101. Of course, in the present invention, a concave structure can also be provided on the bottom plate 111, so that the positioning groove 1101 is formed by the concave structure. In addition, the transmission shaft 14 in the present invention may be configured to be partially embedded in the positioning groove 1101 , or the entire transmission shaft 14 may be embedded in the positioning groove 1101 , that is, the transmission shaft 14 protrudes from the positioning groove 1101 .

In addition, the seat body may further include third ribs and fourth ribs, the third ribs and the fourth ribs extending in the lateral direction and spaced apart in the vertical direction to form the guide grooves. With reference to the drawings, the seat body 11 may further comprise a third rib and a fourth rib, the third rib and the fourth rib extending in the left-right direction, and the third rib and the fourth rib are spaced apart in the up-down direction, A guide groove 1103 is defined between the third rib and the fourth rib.

Optionally, a support block 1104 is provided on the inner sides of the third rib and the fourth rib, and a support rod 1105 is also set on the bottom plate 111, the support rod 1105 is set in the guide groove 1103, and the support rod 1105 is located in the third rib Between the rib and the fourth rib, the positioning groove 1101 and the guide groove 1103 communicate with each other, the third rib and the fourth rib are arranged on the front surface of the bottom plate 111, the top of the seat body 11 is provided with a mounting piece, and the mounting piece is along the It is connected with the bottom plate 111 and extends backward. Edge plates may be provided on the left and right side edges of the bottom plate 111 .

Optionally, the positioning groove is provided on the middle of the base body along the lateral direction. Therefore, the driving stability of the driving device to which the base body is applied can be improved.

In addition, the present invention also provides a dishwasher. The dishwasher may also comprise the aforementioned drive means.

The dishwasher according to the embodiment of the present invention includes a body and a driving device, wherein a washing chamber is provided in the body; the driving device is the driving device for the spray arm 20 according to the foregoing.

In addition, the seat body 11 in the present invention may be disposed on the back plate of the body, or the seat body 11 and the back plate of the body may be integrated together. Of course, the driving device of the present invention can also be arranged on the side wall, bottom wall, top wall or door body of the dishwasher.

In addition, the dishwasher of the present invention further includes a spray arm 20, one end of the spray arm 20 is connected to the driving device, and the other end of the spray arm 20 is in the form of a cantilever or supported on the body. In addition, the dishwasher of the present invention may not directly include the spray arm 20, that is, the spray arm 20 is provided in a detachable or replaceable form as an accessory of the dishwasher.

Optionally, the base body may be provided with a plurality of transmission members, the plurality of transmission members may be vertically spaced apart on the base body, and the transmission shaft may include a plurality of transmission shafts, wherein the plurality of transmission shafts may be driven by the same motor, The plurality of transmission shafts can also be driven by different motors, and the plurality of transmission shafts are correspondingly connected with a plurality of transmission elements, and each transmission element is in transmission connection with at least one rotating element. In this way, a plurality of transmission members can be connected through a plurality of transmission shafts, so that the movement of the plurality of transmission members can be driven by the plurality of transmission shafts. In addition, each transmission member can be connected with at least one rotating member in a transmission manner, therefore, the rotation of the multiple rotating members can be realized through a plurality of transmission shafts, thereby realizing the driving of the multiple spray arms.

Optionally, in the present invention, a plurality of transmission members can be connected through a transmission shaft, so that a plurality of transmission members are transmitted through a transmission shaft, that is, the power of the driving member is transmitted to a plurality of transmission members through a transmission shaft . The base body can be provided with a plurality of transmission parts, and the plurality of transmission parts are arranged vertically spaced on the base body, a transmission shaft is drivingly connected with the plurality of transmission parts, and each transmission part is drivingly connected with at least one rotating part. In this way, a plurality of transmission parts can be connected through one transmission shaft, so that a plurality of transmission parts can be driven to move by one transmission shaft. In addition, each transmission member can be connected with at least one rotating member in a transmission manner, therefore, the rotation of multiple rotating members can be realized through one transmission shaft, thereby realizing the driving of multiple spray arms, thereby simplifying the structure of the driving device.

Optionally, the dishwasher further includes a spray arm, the spray arm is adapted to be connected with the rotating member, and the spray arm and the rotation center axis of the rotating member extend coaxially.

Optionally, the driving member is arranged at one end of the base body along the vertical direction. Therefore, the influence of the washing cavity of the driving element can be reduced, and the space utilization rate can be improved.

Some specific embodiments of the present invention are described below with reference to the accompanying drawings.

1 to 14 , in another embodiment of the present invention, the transmission shaft 14 passes through the first rack 131 (ie, between the first rack 131 and the first stop bar 132 ), and is then installed into the seat together The fixed position on the body 11, the driving member 15 (such as a motor) is installed in the transmission shaft 14 and then fixed on the seat body 11 by screws, the fixing member 17 is snapped into the seat body 11 to fix the transmission shaft 14, and then the second Gear 121 and water distribution member 16, the sealing ring needs to be installed on the water distribution member 16 in advance, each water distribution member 16 is fixed on the base body 11 with two screws, the spray arm 20 passes through the water distribution member 16 and is connected to the second gear 121, the spray arm One end of the 20 is fixed on the inner tank, the other end of the spray arm 20 is matched with the second gear 121 through a semicircular "D" structure, and the water distribution member 16 supplies water to the spray arm 20 . The specific transmission scheme is that the drive member 15 drives the transmission shaft 14 to rotate, the transmission shaft 14 drives the first rack 131 to move, the second rack 133 drives the second gear 121 to rotate, and finally the second gear 121 drives the spray arm 20 to rotate. The spray arm 20 can be rotated in the same direction synchronously, and the materials of the transmission shaft 14, the transmission part 13 and the rotating part 12 can be metal or plastic parts.

15 to 20 , in an embodiment of the present invention, the transmission shaft 14 passes through the first rack 131 (ie, between the first rack 131 and the first stop bar 132 ), and is then assembled into the seat body together 11 to fix the position, the drive member 15 is installed in the transmission shaft 14 and then fixed on the seat body 11 by screws, the fixing member 17 is snapped into the seat body 11 to fix the transmission shaft 14, and then the second gear 121 and the water distribution member 16 are installed in sequence. The sealing ring needs to be installed on the water distribution member 16 in advance, and each water distribution member 16 is fixed on the base body 11 by two screws. The spray arm 20 passes through the water distribution member 16 and connects with the second gear 121. The top spray arm 20 and the lower spray arm 20 Fixed on the inner tank, the middle spray arm 20 is divided into two sections, the rear end of the middle spray arm 20 can be fixed on the bowl basket, the specific transmission scheme is that the driving member 15 drives the transmission shaft 14 to rotate, and the transmission shaft 14 drives the first tooth. The rod 131 moves, the second rack 133 drives the second gear 121 to rotate, and finally the second gear 121 drives the spray arm 20 to rotate. This scheme can choose two-layer or three-layer control, and each layer is a rack and pinion transmission scheme.

The present invention can realize precise control of spray arms 20 (especially slender spray arms 20 ), control at any position, realize regional washing and fixed-point washing, and can control layered layout. The invention provides an integrated transmission control method, which effectively improves the stability of the driving device and simplifies the mechanism of the driving device.

1 to 14 , a spray arm assembly 100 according to an embodiment of the present invention is described, which includes a base body 11 , a rotating member 12 , a transmission member 13 , a transmission shaft 14 , a driving member 15 , a fixed member 17 and a spray arm 20 .

The base body 11 includes a bottom plate 111, a first rib 112, and a second rib 113. The bottom plate 111 can be in the shape of a flat plate, and the normal line of the bottom plate 111 extends in the front-rear direction. Extending in the up-down direction, and the first rib 112 and the second rib 113 are spaced apart in the left-right direction, a positioning groove 1101 is constructed between the first rib 112 and the second rib 113, the first rib 112 and the second rib 1101 The rib 113 can be arranged at the middle position along the left-right direction on the bottom plate 111 , and the outer side surfaces of the first rib 112 and the second rib 113 can be provided with a first buckle portion 1102 , the first bayonet is a bayonet, the second A rib 112 and a second rib 113 are provided on the front surface of the bottom plate 111 . The seat body 11 may further comprise a third rib and a fourth rib, the third rib and the fourth rib extend in the left-right direction, and the third rib and the fourth rib are spaced apart in the up-down direction, and the third rib A guide groove 1103 is defined between the third rib and the fourth rib, a support block 1104 is provided on the inner side of the third rib and the fourth rib, a support rod 1105 is also set on the bottom plate 111, and the support rod 1105 is set in the guide groove 1103 Inside, the support rod 1105 is located between the third rib and the fourth rib, wherein the positioning groove 1101 and the guide groove 1103 communicate with each other, the third rib and the fourth rib are arranged on the front surface of the bottom plate 111, The top is provided with a mounting piece, and the mounting piece is connected with the bottom plate 111 and extends backward. Edge plates may be provided on the left and right side edges of the bottom plate 111 . A buckle structure 114 is provided between the first rib 112 and the second rib 113 .

The rotating member 12 is rotatably sleeved on the support rod 1105, and the front end before the rotation is provided with an embedded structure, the embedded structure is used to connect the spray arm 20, and the embedded structure can be set in a non-circular rod shape, such as a D-shaped rod shape . The rotating member 12 includes a second gear 121, and the axis of the second gear 121 extends in the front-rear direction.

The transmission member 13 extends along the left-right direction, the transmission member 13 is movably disposed in the guide groove 1103 along the left-right direction, and the transmission member 13 is supported by the support block 1104 , and the transmission member 13 includes a first rack 131, a second rack 133, The first stopper bar 132 and the second stopper bar 134, wherein the first gear rack 131, the second gear rack 133, the first stopper bar 132, and the second stopper bar 134 all extend in the left-right direction. The bar 131 and the first stop bar 132 are spaced back and forth, and the gear teeth of the first rack 131 face the first stop bar 132 . The second rack 133 and the second stop bar 134 are spaced apart in the up-down direction, the left and right ends of the first rack 131 and the first stop bar 132 are connected, and the left and right ends of the second rack 133 and the second stop bar 134 are connected. Connected at both ends. Wherein, the left and right sides of the first rack 131 are connected with a second rack 133 . The second gear 121 is disposed between the second rack 133 and the second stopper bar 134 , and the second gear 121 and the second rack 133 mesh with each other.

The transmission shaft 14 extends in the up-down direction, an annular groove 1401 is provided on the peripheral surface of the transmission shaft 14, the transmission shaft 14 is embedded in the positioning groove 1101, and the transmission shaft 14 can be rotated. Positioning the transmission shaft 14, the transmission shaft 14 is coaxially connected with a first gear 142, the first gear 142 is arranged in the guide groove 1103, and the first gear 142 extends into the space between the first rack 131 and the first stop bar 132 During this time, the first gear 142 and the first rack 131 mesh with each other.

The driving member 15 is connected to the upper end of the base body 11. Combined with the above, the driving member 15 is installed on the mounting plate. The driving member 15 can be a motor. The motor shaft of the motor extends in the up-down direction.

The fixing member 17 is installed on the base body 11. The fixing member 17 includes a baffle 171, a first flange 172 and a second flange 173. The two flanges 173 are respectively connected to the left and right side edges of the baffle plate 171 , and the first flanges 172 and the second flanges extend in the up-down direction. The first flanges 172 and the second flanges 173 include elastic pieces 174 . The elastic pieces 174 are provided with The second snap portion 175, the second snap portion 175 can be a snap hole. During the installation process, the first flange 172 and the second flange 173 are respectively arranged on the outside of the first rib 112 and the second rib 113, And the first buckle portion 1102 and the second buckle portion 175 are engaged. The positioning groove 1101 is covered by the fixing member 17 .

The water distribution member 16 includes a shaft sleeve 161 and a drainage tube. The shaft sleeve 161 extends in the front-rear direction. The rear end of the shaft sleeve 161 is provided with an ear portion. The shaft sleeve 161 is provided with the spray arm 20 supported by the boss 162 , the drainage pipe can be connected to the side wall of the shaft sleeve 161 , and the drainage pipe communicates with the inner space of the shaft sleeve 161 . Sealing rings may be provided on the front and rear sides of the water distribution member 16 , and a closed space is constructed in the shaft sleeve 161 through the sealing rings.

The end face of one end of the spray arm 20 is provided with a matching hole, the end of the spray arm 20 can be inserted into the driving device, and the transmission cooperation between the rotating member 12 and the spray arm 20 is realized through the shaft hole cooperation, and the spray arm 20 has a guide cavity inside. A water inlet hole is provided on the peripheral wall of the end of the spray arm 20 , and the end of the spray arm 20 is inserted into the shaft sleeve 161 to facilitate water intake.

During use, the drive member 15 drives the transmission shaft 14 to rotate, drives the transmission member 13 to move in the left-right direction through the rack and pinion, and then drives the rotating member 12 to rotate through the rack and pinion drive, thereby driving the spray arm 20 to rotate.

Figures 15 to 20 show another embodiment of the present invention, the transmission mode of this embodiment is basically connected with the transmission mode of the previous embodiment, wherein, in this embodiment, the upper part of the seat body 11 is spaced in the up-down direction A plurality of guide grooves 1103 are provided, and structures such as a transmission member 13 and a rotating member 12 are provided corresponding to each guide groove 1103 . The upper end of the transmission shaft 14 is connected to the driving member 15 , and the lower end of the transmission shaft 14 is connected to a first gear 142 , which is connected with the shaft portion 141 of the transmission shaft 14 through shaft holes.

In addition, the spray arm 20 in the present invention may include multiple sections. For example, the spray arm 20 is provided with two ends that are detachably connected together, a part of which is installed on the bowl basket, and the other part is installed on the seat body 11. During the bowl basket process, the part of the spray arm 20 mounted on the bowl basket is disassembled together with the bowl basket. Of course, in the present invention, the entire spray arm 20 can be disassembled together when the bowl basket is disassembled.

In the description of the present invention, 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, The orientations or positional relationships indicated by "radial direction", "circumferential direction", etc. are based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated devices or elements. It must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.

In the present invention, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may be in direct contact between the first and second features, or the first and second features indirectly through an intermediary touch. Also, the first feature being "above", "over" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this specification, description with reference to the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples", etc., mean specific features described in connection with the embodiment or example , structure, material or feature is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, those skilled in the art may combine and combine the different embodiments or examples described in this specification, as well as the features of the different embodiments or examples, without conflicting each other.

Although the embodiments of the present invention have been shown and described above, it should be understood that the above-mentioned embodiments are exemplary and should not be construed as limiting the present invention. Embodiments are subject to variations, modifications, substitutions and variations.

Claims

A drive device for a spray arm, comprising:

body;

a rotating piece, the rotating piece is rotatably arranged on the base body, and the rotating piece is used for connecting the spray arm;

a transmission part, the transmission part is movably arranged on the base body, and the transmission part is connected with the rotating part to drive the rotating part to rotate;

a transmission shaft, the transmission shaft is rotatably arranged on the base body, and the transmission shaft is drivingly connected with the transmission member to drive the transmission member to move;

A driving member, the driving member is drive-connected with the transmission shaft to drive the transmission shaft to rotate.
The driving device for a spray arm according to claim 1, wherein the rotation center axis of the rotating member extends in the longitudinal direction, the transmission member is movably arranged on the base body in the lateral direction, and the transmission shaft Extending in the vertical direction, the longitudinal direction, the lateral direction and the vertical direction are perpendicular to each other.
The driving device for a spray arm according to claim 2, wherein a plurality of the transmission members are arranged on the base body at a vertical interval, and the transmission shaft comprises a plurality of the transmission members. The transmission shaft is correspondingly connected with a plurality of the transmission parts, and each of the transmission parts is connected in a transmission connection with at least one of the rotating parts.
The driving device for a spray arm according to claim 2, wherein the middle part of the transmission member in the transverse direction is drivingly connected to the transmission shaft, and both ends of the transmission member in the transverse direction are connected to at least one rotation The parts are drive-connected, so as to transmit the transmission parts with a plurality of the rotating parts through one of the transmission parts.
The driving device for a spray arm according to any one of claims 1-4, wherein the transmission shaft includes a shaft portion and a first gear, the transmission member includes a first rack, and the first gear meshing with the first rack.
The driving device for a spray arm according to claim 5, wherein the transmission member further comprises a first stop bar, the first stop bar is arranged in parallel with the first rack, and the first stop bar is parallel to the first rack. The gear teeth of a rack are arranged on the side of the first rack facing the first stop bar, and the first gear is rotatably arranged on the first stop bar and the first teeth between the bars.
The driving device for a spray arm according to claim 5, wherein a plurality of the first gears are coaxially connected to the shaft portion, and the plurality of the first gears are arranged along the axial direction of the shaft portion , and a plurality of the first gears are fixedly connected to the same shaft portion, the transmission member includes a plurality of the first gears corresponding to the plurality of first gears, and each of the transmission members is correspondingly connected with at least one of the rotating parts.
The driving device for a spray arm according to claim 7, wherein one end of the shaft portion is connected with the driving member and the other end is connected with a first gear coaxially, the first gear is integrally provided with the shaft portion and is Fixed connection.
The driving device for a spray arm according to any one of claims 1-8, wherein the driving member is provided on the seat body.
The driving device for a spray arm according to any one of claims 1-4, wherein a positioning groove is provided on the seat body, the positioning groove and the transmission shaft extend in the same direction, and the transmission The shaft is rotatably embedded in the positioning groove.
The driving device for a spray arm according to claim 10, wherein a snap structure is provided in the positioning groove, an annular groove is provided on the peripheral surface of the transmission shaft, and the annular groove and the snap The structure is snapped to position the transmission shaft and make the transmission shaft rotatable.
The driving device for a spray arm according to claim 10, wherein a fixing member is further provided on the base body, the fixing member is connected with the base body, and the fixing member closes the positioning groove.
The driving device for spray arms according to claim 12, wherein the base body comprises a bottom plate, a first rib and a second rib, and the first rib and the second rib are both connected with the The bottom plates are connected and arranged opposite to each other, the positioning groove is defined between the first rib and the second rib, the fixing member includes a baffle plate, a first flange and a second flange, the baffle The plate covers the positioning groove, the first flange and the second flange are respectively arranged on the outer sides of the first rib and the second rib, and the outer side of the first rib and the The outer side of the second rib is provided with a first buckle portion, the first flange and the second flange both include elastic pieces, the elastic pieces are provided with a second buckle portion, the One of the first locking portion and the second locking portion is a locking hole and the other is a locking protrusion, and the locking protrusion is correspondingly engaged with the locking hole.
The driving device for a spray arm according to any one of claims 1-4, wherein the rotating member comprises a second gear, the transmission member comprises a second rack, the second gear and the The second racks mesh with each other.
The driving device for a spray arm according to claim 14, wherein the transmission member further comprises a second stopper bar, the second stopper bar and the second gear rack are arranged parallel to each other, and the first stopper bar is arranged in parallel with the second rack. The gear teeth of the second rack are arranged on the side of the second rack facing the second stop bar, and the second gear is rotatably arranged on the second stop bar and the second tooth between the bars.
The driving device for a spray arm according to claim 15, wherein the transmission member comprises a plurality of the second racks, and the plurality of the second racks are respectively used to drive the rotating member, so that a The transmission member drives the plurality of spray arms to rotate.
The driving device for a spray arm according to any one of claims 1-4, wherein the transmission member includes a first rack and a second rack, the transmission shaft includes a first gear, and the rotating The member includes a second gear, the first rack is meshed with the first gear, the second rack is meshed with the second gear, the first rack and the second rack are in the transverse direction extending, and the gear teeth of the first rack and the gear teeth of the second rack are perpendicular to each other.
The driving device for a spray arm according to any one of claims 1-4, wherein a guide groove is provided on the base body, the transmission member is embedded in the guide groove, and the transmission member is along the The extending direction of the guide groove is movable.
The driving device for a spray arm according to claim 18, wherein two opposite sides of the guide groove are provided with support blocks, and the support blocks are used to support the movement of the transmission member.
The drive device for a spray arm according to any one of claims 1-19, wherein,

the transmission element is constructed as a unitary structure; and/or

The seat body is provided with a support rod, and the rotating member is rotatably supported on the support rod.
A seat body, the seat body is suitable for the driving device for spray arms according to any one of claims 1-18, wherein the seat body is provided with a guide groove, and the guide groove is laterally Extending, the guide groove is configured to accommodate the transmission member and guide the transmission member to move laterally.
The base body according to claim 21, wherein a plurality of the guide grooves are arranged on the base body at intervals along the vertical direction, and the base body is further provided with positioning grooves, and the positioning grooves are arranged along the vertical direction. The guide groove and the positioning groove intersect and communicate with each other, and the positioning groove is configured to be adapted to receive a transmission shaft and to be suitable for rotation of the transmission shaft.
The seat body according to claim 22, wherein the positioning groove is provided in the middle part of the seat body along the lateral direction.
The seat body according to claim 22 or 23, wherein the seat body comprises a bottom plate and a first rib, a second rib, a third rib and a fourth rib provided on the bottom plate, the The first rib and the second rib extend and are spaced apart in the vertical direction to form the positioning groove, and the third rib and the fourth rib extend in the horizontal direction and are spaced apart in the vertical direction to form the guide groove.
A dishwasher comprising:

a body, the body is provided with a washing cavity;

A driving device, which is the driving device for a spray arm according to any one of claims 1-20.
The dishwasher according to claim 25, wherein the base body is provided with a plurality of the transmission members arranged at a vertical interval, and the transmission shaft includes a plurality of the transmission shafts and the transmission shaft. A plurality of the transmission parts are correspondingly connected in transmission, and each transmission part is in transmission connection with at least one of the rotating parts.
The dishwasher according to claim 25, wherein the base body is provided with a plurality of the transmission members arranged at vertical intervals, and a transmission shaft is drivingly connected with the plurality of transmission members, each Each of the transmission members is in driving connection with at least one of the rotating members.
The dishwasher of any one of claims 25 to 27, wherein the dishwasher further comprises:

A spray arm, the spray arm is adapted to be connected with the rotating member, and the spray arm and the rotation center axis of the rotating member extend coaxially.
The dishwasher according to any one of claims 25 to 27, wherein the seat body is provided on the back plate of the body or the seat body is integrated with the back plate of the body.
The dishwasher according to claim 29, wherein the driving member is disposed on one end of the base body along a vertical direction.