CN213721823U - Spray rod driving device of dish washing machine, spray rod assembly of dish washing machine and dish washing machine - Google Patents

Abstract

The utility model discloses a spray lance drive arrangement of dish washer, spray lance subassembly and dish washer of dish washer, the spray lance drive arrangement of dish washer includes: a housing; a driver having a drive shaft; drive mechanism, drive mechanism include initiative driving medium and a plurality of driven transmission medium, and the initiative driving medium is connected with a plurality of driven transmission medium transmissions, and a plurality of driven transmission medium are used for being connected with a plurality of spray lances of dish washer respectively, realize being connected through connecting axle and card between initiative driving medium and the drive shaft. According to the utility model discloses spray lance drive arrangement of dish washer utilizes a plurality of spray lances of driver simultaneous drive rotatory, increases the spray rinsing scope of dish washer, improves the cleaning performance to, utilize connecting axle and card with initiative driving medium and drive shaft connection, when realizing the power transmission initiative driving medium, realized the installation of initiative driving medium, also do benefit to the modularized design who realizes the spray lance subassembly of dish washer simultaneously, simple structure, occupation space are little.

Description

Spray rod driving device of dish washing machine, spray rod assembly of dish washing machine and dish washing machine

Technical Field

The utility model belongs to the technical field of the dish washer technique and specifically relates to a spray lance drive arrangement of dish washer, spray lance subassembly and dish washer of dish washer are related to.

Background

The spray arm assembly of the dishwasher in the related art generally drives one or more spray arms to rotate by adopting a water flow driving mode, and the spray range covered by the spray arms during rotation is the spray range of the spray arm assembly. Because the spray arm covers the orbit for circular when rotatory, to the dish washer that has square inner bag, the spray arm subassembly spray the scope and appear spraying the dead angle easily, lead to the dish washer to have and wash unclean problem to it is enough big just can realize the drive to the spray arm to need to guarantee the velocity of flow of rivers.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a spray lance drive arrangement of dish washer, spray lance drive arrangement of dish washer can provide power for a plurality of spray lances, and the spray rinsing scope is wider, the cleaning performance is better, and simple structure, and simple to operate is reliable.

The utility model discloses still provide a spray lance subassembly of dish washer.

The utility model also provides a dish washer.

According to the utility model discloses spray lance drive arrangement of dish washer of first aspect embodiment includes: a housing; a driver disposed in the housing and having a drive shaft; drive mechanism, drive mechanism locates the shell just includes initiative driving medium and a plurality of driven transmission medium, initiative driving medium is with a plurality of driven transmission medium transmission is connected, and is a plurality of driven transmission medium be used for respectively with a plurality of spray lance one-to-one of dish washer is connected, wherein, initiative driving medium with realize connecting through connecting axle and card between the drive shaft, so that the drive shaft drives initiative driving medium rotates.

According to the utility model discloses spray lance drive arrangement of dish washer through setting up the drive mechanism including initiative driving medium and a plurality of driven transmission medium, can utilize the driver to drive a plurality of spray lances rotatory simultaneously to increase the spray rinsing scope of dish washer, further improve the cleaning performance. And, the spray lance drive arrangement of the dish washer of this application utilizes connecting axle and card to be connected initiative driving medium and drive shaft, when the realization is with power transmission initiative driving medium, has realized the installation of initiative driving medium, also does benefit to the modular design who realizes the spray lance subassembly of dish washer simultaneously, simple structure, occupation space are little.

According to some embodiments of the utility model, the drive shaft with the one end cooperation of connecting axle, the card with the other end of connecting axle and the initiative driving medium is connected.

According to some embodiments of the present invention, the connecting shaft is a cam shaft, and the cam shaft is adapted to cooperate with a control switch of the dishwasher at a circumferential convex portion thereof, so as to control the spray bar.

In some embodiments, the shell defines a mounting cavity, the driver is disposed in the mounting cavity, the active transmission member is disposed outside the mounting cavity, wherein one end of the connecting shaft extends into the mounting cavity and is matched with the driving shaft, and the other end of the connecting shaft extends out of the mounting cavity to be connected with the active transmission member through the clamping piece.

In some embodiments, one end of the connecting shaft has a first connecting hole, the driving shaft is inserted into the first connecting hole, and at least a part of the cross-sectional shape of the driving shaft is the same as that of the first connecting hole.

In some embodiments, the clamping piece is provided with a second connecting hole, the other end of the connecting shaft is inserted into the second connecting hole, and the cross section of the other end of the connecting shaft is the same as that of the second connecting hole.

In some examples, the connection shaft includes: a shaft body having a mounting hole; and one end of the fixing buckle is connected with the inner wall of the mounting hole, and the other end of the fixing buckle forms a free end, wherein the fixing buckle is accommodated in the mounting hole and abuts against the inner wall surface of the second connecting hole in the state that the connecting shaft is matched with the second connecting hole.

In some examples, the driving transmission member has a third connecting hole, and the card has a convex ring extending along the circumferential direction of the second connecting hole, and the convex ring is inserted into the third connecting hole.

In some embodiments, the driving transmission member has a plurality of fitting holes, the card has a plurality of ribs, and the plurality of ribs are inserted into the plurality of fitting holes in a one-to-one correspondence.

According to some embodiments of the invention, the housing comprises: the main shell is internally provided with the driver; the water spray rod driving device comprises a main shell, a plurality of water passing connectors, a plurality of driven transmission parts, a plurality of water passing connectors and a mounting plate, wherein the water passing connectors are arranged on the periphery of the main shell at intervals, each water passing connector is connected with the side wall of the main shell through a connecting plate, the driven transmission parts are matched with the water passing connectors in a one-to-one correspondence mode, the mounting plate is connected with the main shell.

According to the utility model discloses second aspect embodiment's spray lance subassembly of dish washer includes: the spray rod driving device of the dishwasher according to the embodiment; and one ends of the spray rods are connected with the driven transmission pieces in a one-to-one correspondence mode.

The dishwasher according to the third aspect of the present invention comprises the spray bar assembly of the dishwasher according to the above embodiments.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an exploded view of a spray bar drive of a dishwasher in accordance with an embodiment of the present invention;

FIG. 2 is a schematic structural view of a spray bar drive of the dishwasher shown in FIG. 1;

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

FIG. 4 is a side view of the spray bar drive of the dishwasher shown in FIG. 2.

Reference numerals:

the spray bar drive 100 is provided with a spray bar drive,

the water supply device comprises a shell 11, a mounting cavity 1101, a cavity 1102, a water outlet 1103, a main shell 111, a water inlet joint 112, a connecting plate 113, a cover body 12, a mounting plate 13, a sealing member 14,

the drive 20, the drive shaft 21,

a transmission mechanism 30, a driving transmission member 31, a third connecting hole 311, a matching hole 312, a driven transmission member 32, a water pipe 321,

a connecting shaft 41, a first connecting hole 410, a shaft body 411, a mounting hole 4110, a fixing buckle 412,

the locking piece 42, the second coupling hole 421, the protruding ring 422, the protruding rib 423,

the bearing 50, spacing lug 51, spacing piece 60, spacing hole 61, locating part 70.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

A spray bar drive 100 of a dishwasher in accordance with an embodiment of the present invention is described below with reference to fig. 1-4.

As shown in fig. 1 to 4, a spray bar driving apparatus 100 of a dishwasher according to an embodiment of the present invention includes a housing 11, a driver 20, and a transmission mechanism 30.

The driver 20 and the transmission mechanism 30 are respectively disposed on the housing 11, the driver 20 has a driving shaft 21, the transmission mechanism 30 includes a driving transmission member 31 and a plurality of driven transmission members 32, for example, the number of the driven transmission members 32 may be two or more, the driving transmission member 31 is in transmission connection with the plurality of driven transmission members 32, and the plurality of driven transmission members 32 are respectively used for being connected with a plurality of spray bars (not shown) of the dishwasher in a one-to-one correspondence manner.

The driving transmission member 31 is connected to the driving shaft 21 through the connecting shaft 41 and the locking piece 42, so that the driving shaft 21 can drive the driving transmission member 31 to rotate. Specifically, when the driver 20 works, the driving shaft 21 can drive the driving member 31 to rotate, and the driving member 31 is in transmission connection with the driven members 32, so that the driving member 31 can drive the driven members 32 to rotate respectively, thereby driving the spray bars of the dishwasher to rotate, and realizing the spray washing effect. Moreover, the spray rod driving device 100 of the application is beneficial to realizing the modular design of the spray rod assembly of the dish washing machine, and has simple structure and small occupied space.

According to the utility model discloses spray lance drive arrangement 100 of dish washer through setting up drive mechanism 30 including driving transmission 31 and a plurality of driven transmission 32, can utilize driver 20 to drive a plurality of spray lances rotatory simultaneously to increase the spray rinsing scope of dish washer, further improve the cleaning performance. In addition, the spray rod driving device 100 of the dishwasher of the present application utilizes the connecting shaft 41 and the clamping piece 42 to connect the driving transmission member 31 with the driving shaft 21, so that the driving transmission member 31 is installed while the power is transmitted to the driving transmission member 31, and meanwhile, the modular design of the spray rod assembly of the dishwasher is also facilitated, and the spray rod driving device is simple in structure and small in occupied space.

As shown in fig. 1 to 3, according to some embodiments of the present invention, the driving shaft 21 is engaged with one end of the connecting shaft 41, and the clamping piece 42 is connected with the other end of the connecting shaft 41 and the active transmission member 31, that is, the other end of the connecting shaft 41 is connected with the active transmission member 31 through the clamping piece 42. By providing the connecting shaft 41 and the engagement piece 42, the rotary motion and power of the drive shaft 21 can be transmitted to the driving transmission 31, thereby driving the spray bar.

According to some embodiments of the present invention, the connecting shaft 41 may form a cam shaft, and the cam shaft may be engaged with the control switch of the dishwasher at a convex portion in the circumferential direction thereof, so that the opening and closing of the control switch is controlled when the cam shaft rotates. For example, the camshaft rotates to the state that the convex part is matched with the control switch, and an electric signal can be acquired, so that the accurate control of the water flow on-off of the spray pipe, the angle of the spray rod, the rotating speed and the like is realized.

As shown in fig. 3, in some embodiments, the housing 11 defines a mounting cavity 1101, the driver 20 is disposed in the mounting cavity 1101, that is, the housing 11 protects the driver 20, and the driving transmission member 31 is disposed outside the mounting cavity 1101, so as to facilitate the driving connection between the driving transmission member 31 and the driven transmission member 32, and facilitate the output of motion and power.

Wherein, one end of the connecting shaft 41 extends into the mounting cavity 1101, one end of the connecting shaft 41 is matched with the driving shaft 21, the other end of the connecting shaft 41 extends out of the mounting cavity 1101, and the other end of the connecting shaft 41 is connected with the driving transmission member 31 through the clamping piece 42.

Here, the coupling relationship between the coupling shaft 41 and the drive shaft 21 may be direct coupling or indirect coupling. Similarly, the connecting shaft 41 and the driving transmission member 31 may be directly connected or indirectly connected through other components. By providing the connecting shaft 41, the rotational movement and power of the drive shaft 21 can be transmitted to the driving transmission member 31, and the connection is reliable.

As shown in fig. 1 and 3, in some embodiments, one end of the connecting shaft 41 has a first connecting hole 410, and the driving shaft 21 is inserted into the first connecting hole 410, so that the connection is reliable and the assembly and disassembly are convenient. Wherein at least a portion of the cross-sectional shape of the driving shaft 21 is the same as the cross-sectional shape of the first connection hole 410.

In order to achieve the synchronous rotation of the driving shaft 21 and the connecting shaft 41, the first connecting hole 410 may be configured as a special-shaped hole, for example, the first connecting hole 410 may be configured as a D-shaped hole, and correspondingly, at least a part of the cross-sectional shape of the driving shaft 21 forms a D-shape, but of course, the first connecting hole 410 may also be configured as an elliptical hole or other shapes.

As shown in fig. 1 and 3, in some embodiments, the card 42 has a second connecting hole 421, and the other end of the connecting shaft 41 is inserted into the second connecting hole 421, so that the connection is reliable and the assembly and disassembly are convenient. Wherein, the other end of the connecting shaft 41 has the same cross-sectional shape as the second connecting hole 421.

In order to realize the synchronous rotation of the card 42 and the connecting shaft 41, the second connecting hole 421 may be a special-shaped hole, for example, the second connecting hole 421 may be a D-shaped hole, and correspondingly, the cross-sectional shape of the other end of the connecting shaft 41 forms a D-shape, and of course, the second connecting hole 421 may also be another shape such as an elliptical hole.

It should be noted that the connection manner of the driving shaft 21 and the connecting shaft 41 and the connection manner of the clamping piece 42 and the connecting shaft 41 in the above embodiments are not limited to the insertion connection manner, and may be a screw fit, or may be realized by additionally providing a connection member.

As shown in fig. 1 and 3, in some examples, the connecting shaft 41 includes a shaft body 411 and a fixing buckle 412, the shaft body 411 has a mounting hole 4110, one end of the fixing buckle 412 is connected to an inner wall of the mounting hole 4110, and the other end of the fixing buckle 412 forms a free end, that is, the fixing buckle 412 can elastically deform under the action of an external force, and when the external force is removed, the fixing buckle 412 can also restore to its original shape.

Specifically, in a state that the connecting shaft 41 is engaged with the second connecting hole 421, the fixing buckle 412 is accommodated in the mounting hole 4110, and the fixing buckle 412 abuts against an inner wall surface of the second connecting hole 421, so that the clamping piece 42 is locked on the connecting shaft 41, connection reliability between the connecting shaft 41 and the driving transmission member 31 is realized, and the connecting shaft 41 and the driving transmission member 31 can rotate synchronously.

In order to prevent the card 42 from falling off from the connecting shaft 41, in this embodiment, a buckle is disposed at an outward side of one end of the fixing buckle 412, and when the connecting shaft 41 is inserted into the second connecting hole 421, the free end of the fixing buckle 412 is pressed to approach the shaft body 411, so that the connecting shaft 41 can smoothly pass through the second connecting hole 421; under the state that the connecting shaft 41 is matched with the second connecting hole 421, at least one part of the connecting shaft 41 extends out of the second connecting hole 421, and the fixing buckle 412 is restored to the original state, so that the buckle of the fixing buckle 412 extends out of the second connecting hole 421, and abuts against the outer surface of the clamping sheet 42, and the anti-falling effect is achieved.

As shown in fig. 3, in some examples, the driving transmission member 31 has a third connection hole 311, a side of the card 42 facing the driving transmission member 31 has a protruding ring 422, the protruding ring 422 extends along a circumferential direction of the second connection hole 421, and the protruding ring 422 is inserted into the third connection hole 311, so as to ensure the connection reliability of the card 42 and the driving transmission member 31.

In some embodiments, the driving transmission member 31 has a plurality of fitting holes 312, the card 42 has a plurality of ribs 423, and the plurality of ribs 423 are inserted into the plurality of fitting holes 312 in a one-to-one correspondence, so as to further ensure the reliability of the connection between the card 42 and the driving transmission member 31. The number of the fitting holes 312 may be two or more.

In the example where the driving transmission member 31 has the third connection hole 311 and the plurality of matching holes 312, the third connection hole 311 is disposed in the middle of the driving transmission member 31, so that the center of the third connection hole 311 coincides with the rotation center of the driving transmission member 31, thereby ensuring that the driving transmission member 31 can rotate around the center thereof, and the plurality of matching holes 312 are arranged at intervals in the circumferential direction of the third connection hole 311, thereby further positioning the card 42 and achieving the rotation prevention effect.

As shown in fig. 1 and 3, according to some embodiments of the present invention, the housing 11 defines a plurality of spaced apart chambers 1102, a bearing 50 is disposed in each chamber 1102, each driven transmission member 32 has a water conduit 321, and the water conduit 321 is rotatably supported by the bearing 50. Through setting up bearing 50, can realize the location installation to driven transmission member 32, guarantee that driven transmission member 32 can be connected with the transmission of initiative driving medium 31 to the realization is to the drive of spray lance.

Specifically, the water pipe 321 may form a straight pipe extending in the up-down direction, the driving transmission member 31 is formed as a driving gear, the driven transmission member 32 includes a driven gear engaged with the driving gear, and the water pipe 321 is connected to the driven transmission member 32 to ensure that the rotation axis of the water pipe 321 coincides with the rotation axis of the driven transmission member 32. The driven transmission member 32 may be connected to one end of the water pipe 321, or may be connected to the middle of the water pipe 321.

Of course, the water passing pipe 321 may not be completely formed into a straight pipe, that is, a part of the water passing pipe 321 is formed into a straight pipe and another part is formed into another shape, so that the axis of the another part of the water passing pipe 321 is not overlapped with the rotation axis of the water passing pipe 321, for example, the axis of the another part of the water passing pipe 321 and the rotation axis of the water passing pipe 321 are set to be parallel and spaced by a preset distance, thereby increasing the spraying range on the basis of ensuring that the water passing pipe 321 and the spray rod are not interfered with other components when rotating.

In order to ensure that the driving gear and the plurality of driven gears can be meshed normally, the driving gear and the plurality of driven gears need to be arranged in the same plane. The driven gears and the driving gear may be the same or different in size.

In some embodiments, a sealing member 14 is disposed between the inner surface of the housing 11 and the outer surface of the water pipe 321, and the sealing member 14 abuts against the end surface of the bearing 50 adjacent thereto, so as to ensure the sealing performance of the housing 11 in cooperation with the bearing 50 and the water pipe 321.

As shown in fig. 3, in order to ensure the rotational stability and reliability of the driven transmission member 32, in some embodiments, at least two bearings 50 are provided in the chamber 1102, so that the at least two bearings 50 support the water passing pipe 321 more stably. Wherein, be equipped with the separator 60 between two adjacent bearings 50, separator 60 and two adjacent bearings 50 fixed coordination to separate two at least bearings 50 and arrange, further improve the support reliability of bearing 50 to driven transmission 32.

In some examples, one of the bearing 50 and the spacer 60 has a limit projection 51, and the other of the bearing 50 and the spacer 60 has a limit hole 61, and the limit projection 51 is engaged with the limit hole 61, thereby ensuring a fixed engagement of the bearing 50 and the spacer 60. Specifically, as shown in fig. 1, in the present embodiment, the outer side wall of the bearing 50 is provided with a limiting protrusion 51, and the spacer 60 has a limiting hole 61 with one side opened, so that the limiting protrusion 51 is conveniently inserted into the limiting hole 61, and the bearing 50 and the spacer 60 are fixedly engaged.

In some embodiments, the end of the water pipe 321 extending into the chamber 1102 forms a closed end, a retaining member 70 is further disposed in the chamber 1102, the closed end of the water pipe 321 is connected to the retaining member 70, and the retaining member 70 abuts against one side of the bearing 50, so as to axially retain the water pipe 321 and prevent the water pipe 321 from being pulled out of the chamber 1102.

As shown in fig. 1 and 4, in some embodiments, each chamber 1102 has a water outlet 1103, and the water outlet 1103 is communicated with the water pipe 321.

Specifically, in the example of having at least two bearings 50 and separator 60 in chamber 1102, the water pipe 321 is located in separator 60 and rotatably supports on at least two bearings 50, and at least two bearings 50 are installed respectively at the both ends of separator 60, and the lateral part of separator 60 is equipped with first water passing portion, and the lateral wall of water pipe 321 is equipped with the second water passing portion, and first water passing portion switches on water outlet 1103 and the second water passing portion to make the water that gets into chamber 1102 from water outlet 1103 can get into in the spray lance again through water pipe 321, realize the spray rinsing effect.

In some embodiments, the chamber 1102 has an opening, and the opening is provided with a cover 12 for opening and closing the opening, thereby facilitating the assembly and disassembly of the components within the chamber 1102. The cover 12 and the housing 11 may be connected by a snap structure, for example, the cover 12 may be rotated to connect the cover 12 and the housing 11.

As shown in fig. 1 to 3, according to some embodiments of the present invention, the housing 11 includes a main housing 111 and a plurality of water passing connectors 112, the plurality of water passing connectors 112 are spaced apart from each other at the periphery of the main housing 111, each water passing connector 112 is connected to a side wall of the main housing 111 through a connecting plate 113, the main housing 111 defines a mounting cavity 1101, and each water passing connector 112 defines a cavity 1102.

Wherein, be equipped with driver 20 in the installation cavity 1101, initiative driving medium 31 locates the outside of main casing body 111 and is located the one end of main casing body 111, is equipped with two at least bearings 50 in the cavity 1102, and a plurality of driven driving medium 32 cooperate with a plurality of water connectors 112 respectively one-to-one, and the one end of the water pipe 321 of every driven driving medium 32 stretches into in the corresponding cavity 1102 to cooperate with two at least bearings 50 that correspond.

In some embodiments, the main housing 111 forms a column shape extending in the up-down direction, the plurality of water passing connectors 112 respectively form a column shape extending in the up-down direction, and the side wall of each water passing connector 112 is connected with the side wall of the main housing 111 through at least two connecting plates 113 arranged at intervals up and down, so that the connection reliability of the water passing connectors 112 and the main housing 111 is improved. Wherein, a plurality of water passing connectors 112 can be arranged symmetrically with respect to the main housing 111, and the cross-sectional dimension of the water passing connectors 112 is smaller than that of the main housing 111.

To facilitate mounting of the spray bar drive 100, the spray bar drive 100 further includes a mounting plate 13, the mounting plate 13 is connected to the main housing 111, for example, the mounting plate 13 may be connected to one end of the main housing 111 by a plurality of fasteners, and of course, the mounting plate 13 may also be connected to the main housing 111 by a snap-fit connection, so that the mounting plate 13 is easily assembled with and disassembled from the main housing 111 and the connection is reliable.

The spray bar assembly of the dishwasher according to the embodiment of the present invention includes the spray bar driving device 100 of the dishwasher according to the above-described embodiment and a plurality of spray bars (not shown) having one ends connected with the plurality of driven transmission members 32 in a one-to-one correspondence. The driver 20 via the transmission 30 may drive a plurality of spray bars in synchronous rotation, for example, the axis of rotation of each spray bar may coincide with the axis of rotation of a corresponding driven drive 32.

Because according to the utility model discloses spray lance drive arrangement 100 of dish washer has above-mentioned technological effect, consequently according to the utility model discloses the spray lance subassembly of dish washer also has above-mentioned technological effect, and the spray lance subassembly of the dish washer of this application utilizes driver 20 to drive a plurality of spray lances simultaneously rotatory promptly, can increase the spray rinsing scope of dish washer, further improves the cleaning performance of dish washer.

A dishwasher (not shown) according to an embodiment of the present invention includes the spray bar assembly of the dishwasher according to the above-described embodiment. According to the utility model discloses dish washer through the spray lance subassembly that adopts the dish washer of above-mentioned embodiment, can realize the modularized design and the miniaturized design of dish washer for each part of dish washer is installed and removed more conveniently, is connected more reliably, and the spray rinsing scope of dish washer is wider, and the cleaning performance is better.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and to simplify the description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Other constructions and operations of the dishwasher according to embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. A spray bar drive of a dishwasher, comprising:

a housing;

a driver disposed in the housing and having a drive shaft;

the transmission mechanism is arranged on the shell and comprises a driving transmission part and a plurality of driven transmission parts, the driving transmission part is in transmission connection with the driven transmission parts, the driven transmission parts are respectively used for being in one-to-one corresponding connection with a plurality of spray bars of the dish washing machine,

the driving transmission part is connected with the driving shaft through a connecting shaft and a clamping piece, so that the driving shaft drives the driving transmission part to rotate.

2. The dishwasher spray bar drive of claim 1 wherein said drive shaft engages one end of said connecting shaft and said card is connected to the other end of said connecting shaft and to said active drive member.

3. The dishwasher of claim 1, wherein the connecting shaft is a cam shaft having a projection on a circumference thereof adapted to cooperate with a control switch of the dishwasher to control the spray bar.

4. The dishwasher spray bar drive of claim 1 wherein said housing defines a mounting cavity, said driver being disposed within said mounting cavity, said active drive member being disposed outside of said mounting cavity,

wherein, the one end of connecting axle stretches into in the installation cavity and with the drive shaft cooperation, the other end of connecting axle stretches out outside the installation cavity in order to pass through the card with the initiative driving medium is connected.

5. The dishwasher boom drive apparatus of claim 1, wherein one end of the connecting shaft has a first connecting hole, the drive shaft is inserted into the first connecting hole, and at least a portion of the cross-sectional shape of the drive shaft is the same as the cross-sectional shape of the first connecting hole.

6. The dishwasher boom drive device of claim 1, wherein the card has a second connection hole, the other end of the connecting shaft is inserted into the second connection hole, and the cross-sectional shape of the other end of the connecting shaft is the same as the cross-sectional shape of the second connection hole.

7. The dishwasher boom drive of claim 6, wherein the connecting shaft comprises:

a shaft body having a mounting hole;

one end of the fixing buckle is connected with the inner wall of the mounting hole, and the other end of the fixing buckle forms a free end,

and under the state that the connecting shaft is matched with the second connecting hole, the fixing buckle is accommodated in the mounting hole and is abutted against the inner wall surface of the second connecting hole.

8. The dishwasher of claim 6, wherein the active drive member has a third attachment aperture, and the card has a collar extending circumferentially of the second attachment aperture, the collar being inserted into the third attachment aperture.

9. The dishwasher spray bar drive of claim 1 wherein said active drive member has a plurality of mating holes, said card having a plurality of ribs, said ribs being inserted into said mating holes in a one-to-one correspondence.

10. The dishwasher boom drive of any one of claims 1-9, wherein the housing comprises:

the main shell is internally provided with the driver;

the water passing connectors are arranged on the periphery of the main shell at intervals, each water passing connector is connected with the side wall of the main shell through a connecting plate, the driven transmission parts are matched with the water passing connectors in a one-to-one correspondence manner,

wherein, the spray rod driving device further comprises a mounting plate, and the mounting plate is connected with the main shell.

11. A spray bar assembly of a dishwasher, comprising:

a spray bar drive of a dishwasher according to any one of claims 1 to 10; and the number of the first and second groups,

and one ends of the spray rods are connected with the driven transmission pieces in a one-to-one correspondence manner.

12. A dishwasher, comprising a spray bar assembly of the dishwasher of claim 11.

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