CN212394862U

CN212394862U - Spray rod driving device of dish washing machine, spray rod assembly of dish washing machine and dish washing machine

Info

Publication number: CN212394862U
Application number: CN202021885257.7U
Authority: CN
Inventors: 张留广; 金亨浚
Original assignee: Midea Group Co Ltd; Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-01-26
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a spray lance drive arrangement of dish washer, spray lance subassembly and dish washer of dish washer, spray lance drive arrangement includes: a main housing; the first water passing joint and the second water passing joint are arranged on the periphery of the main shell at intervals; a driver; the driving transmission part is in transmission connection with the first driven transmission part and the second driven transmission part respectively, the driving transmission part is arranged at the end part of the main shell and matched with the driving shaft, and the first driven transmission part and the second driven transmission part are provided with water passing pipes which are suitable for being connected with a spray rod of the dish washing machine respectively. According to the utility model discloses spray lance drive arrangement of dish washer can utilize the driver to drive two at least spray lances rotatory simultaneously, increases the spray rinsing scope of dish washer, improves the cleaning performance to do benefit to the modularized design who realizes the spray lance subassembly of dish washer, 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 spray rinsing scope is wider, the cleaning performance is better.

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 main housing; the water supply device comprises a main shell, a first water overflow joint, a second water overflow joint, a water tank and a water tank, wherein the main shell is provided with a side wall and a bottom wall; a driver disposed within the main housing and having a drive shaft; drive mechanism, drive mechanism includes initiative driving medium, first driven transmission medium and second driven transmission medium, initiative driving medium respectively with first driven transmission medium with the transmission of second driven transmission medium is connected, initiative driving medium locates the tip of the main casing body and with the drive shaft cooperation, first driven transmission medium locates first water connection, second driven transmission medium locates the second water connection, first driven transmission medium with second driven transmission medium have respectively be suitable for with the water pipe that the spray lance of dish washer links to each other.

According to the utility model discloses spray lance drive arrangement of dish washer through setting up the drive mechanism including initiative driving medium, first driven transmission medium and second driven transmission medium, can utilize the driver to drive two at least spray lances rotatory simultaneously to increase the spray rinsing scope of dish washer, further improve the cleaning performance, and do benefit to the modularized design who realizes the spray lance subassembly of dish washer, simple structure, occupation space are little.

According to some embodiments of the present invention, the axis of the first water passing joint and the axis of the second water passing joint are respectively parallel to the axis of the main housing.

According to some embodiments of the utility model, the center of the main casing body with the center line of first water swivel with the center of the main casing body with the contained angle of the projection of center line of second water swivel in the plane of the axis of this main casing body of perpendicular to is greater than 90 degrees and is less than 180 degrees.

According to some embodiments of the present invention, the main housing, the first water passing joint and the second water passing joint respectively form a cylinder shape, and the diameter of the main housing is larger than the diameter of the first water passing joint/the second water passing joint.

According to some embodiments of the present invention, the first water passing connector and the second water passing connector are symmetrically arranged on opposite sides of the main housing.

According to some embodiments of the present invention, a first bearing is disposed in the first water passing joint, and one end of the water pipe of the first driven transmission member extends into the first water passing joint and is rotatably supported by the first bearing; and/or a second bearing is arranged in the second water passing joint, and one end of a water passing pipe of the second driven transmission member extends into the second water passing joint and is rotatably supported on the second bearing.

According to some embodiments of the present invention, the end surface of the water pipe of the first driven transmission member is flush with the end surface of the water pipe of the second driven transmission member.

According to some embodiments of the present invention, the driving transmission member includes a driving gear, the first driven transmission member and the second driven transmission member include a driven gear respectively, the size of the driven gear is the same as the size of the driving gear.

According to some embodiments of the utility model, the active transmission spare with realize connecting through connecting axle and card between the drive shaft, so that the drive shaft drives the active transmission spare rotates.

According to some embodiments of the invention, the lance drive further comprises a mounting plate, the mounting plate being connected to the main housing.

According to some embodiments of the present invention, a fixing portion is provided on a side of the main housing facing the active driving member, the fixing portion being used for mounting a protective cover covering an outer side of the driving mechanism; the fixing part comprises at least two fixing convex columns, and the at least two fixing convex columns are located on two opposite sides of the active transmission part.

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 a spray bar drive of the dishwasher shown in FIG. 2;

FIG. 5 is an exploded view of a spray bar drive of a dishwasher in accordance with an embodiment of the present invention;

FIG. 6 is a schematic structural view of a spray bar drive of the dishwasher shown in FIG. 5;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;

FIG. 8 is a cross-sectional view taken along line C-C of FIG. 6;

fig. 9 is a schematic structural diagram of a water distribution pipe of a spray rod driving device of a dishwasher according to an embodiment of the present invention.

Reference numerals:

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

the device comprises a shell 11, a mounting cavity 1101, a chamber 1102, a water passing port 1103, a main shell 111, a water passing joint 112, a connecting plate 113, a fixing boss 114, a fixing cover 12, a mounting plate 13, a first sealing element 14, a second sealing element 15, a third sealing element 16, a fourth sealing element 17, a fifth sealing element 18,

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 water inlet 3211, a water outlet 3212,

a connecting piece 40, 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,

a bearing 50, a limit bump 51, a spacer 60, a limit hole 61, a limit piece 70,

water distribution pipe 800, water main 801, water distribution branch pipe 802 and water distribution port 803.

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. 1-9.

As shown in fig. 1 to 8, a spray bar driving device 100 of a dishwasher according to an embodiment of the present invention includes a main housing 111, a first water passing joint, a second water passing joint, a driver 20, and a transmission mechanism 30.

A first water passing joint and a second water passing joint are arranged at intervals on the periphery of the main housing 111, each water passing joint is connected with a side wall of the main housing 111, the driver 20 is arranged in the main housing 111, and the driver 20 is provided with a driving shaft 21.

Wherein, drive mechanism 30 includes initiative driving medium 31, first driven driving medium and second driven driving medium, initiative driving medium 31 is connected with first driven driving medium and second driven driving medium transmission respectively, initiative driving medium 31 locates the tip of main casing body 111 and cooperates with drive shaft 21, first driven driving medium locates first water and connects, second driven driving medium locates second water and connects, first driven driving medium and second driven driving medium have respectively and are suitable for the water pipe 321 that links to each other with the spray lance of dish washer.

According to the utility model discloses spray lance drive arrangement 100 of dish washer through setting up drive mechanism 30 including initiative driving medium 31, first driven transmission medium and second driven transmission medium, can utilize driver 20 to drive two at least spray lances rotatory simultaneously to increase the spray rinsing scope of dish washer, further improve the cleaning performance, and do benefit to the modularized design who realizes the spray lance subassembly of dish washer, simple structure, occupation space are little.

As shown in fig. 3 and 7, according to some embodiments of the present invention, the axis L1 of the first water passing joint and the axis L2 of the second water passing joint are respectively parallel to the axis L3 of the main housing 111, so as to ensure that the water pipe 321 of the first driven transmission member and the water pipe 321 of the second driven transmission member can rotate around the same direction, increase the spraying range in the direction, and ensure the operational reliability of the dishwasher.

As shown in fig. 6, according to some embodiments of the present invention, the included angle α between the center of the main housing 111 and the center line of the first water passing joint and the center of the main housing 111 and the projection of the center line of the second water passing joint in the plane perpendicular to the axis of the main housing 111 is greater than 90 degrees and less than 180 degrees, which not only makes the structure of the housing 11 of the spray rod driving device 100 more stable, but also can reduce the size of the spray rod driving device 100 in the transverse direction, and in addition, the structure of the housing 11 is more novel, thereby improving the visual experience of the user.

As shown in fig. 1 and 5, according to some embodiments of the present invention, the main housing 111, the first water passing joint and the second water passing joint are respectively formed in a cylindrical shape, and the diameter of the main housing 111 is larger than that of the first water passing joint/the second water passing joint.

That is, the main housing 111 serves as the main structure of the housing 11 of the spray bar driving device 100, and is used for placing the driver 20, so as to protect the driver 20, and the first water passing joint and the second water passing joint are respectively used for placing the first driven transmission member and the second driven transmission member, so that at least two spray bars can be driven by the driver 20 to rotate, and a multi-spray-bar water spraying effect can be achieved. By arranging the main housing 111, the first water passing joint, and the second water passing joint to be cylindrical, respectively, the structural stability of the housing 11 of the lance driving device 100 is ensured, and the visual sensation of the user can be enhanced.

As shown in fig. 3 and 7, according to some embodiments of the present invention, the first water passing connector and the second water passing connector are symmetrically disposed at two opposite sides of the main housing 111, so as to ensure the force stability of the driving shaft 21 of the driver 20 and prolong the service life of the driver 20.

According to the utility model discloses a some embodiments are equipped with first bearing in the first water swivel, and the one end of the water pipe 321 of first driven transmission spare stretches into in the first water swivel and rotatably supports in first bearing to guarantee first driven transmission spare can with driving transmission spare complex reliability, and then guarantee first driven transmission spare's motion stability.

Similarly, be equipped with the second bearing in the second water connectors, the one end of the water pipe 321 of second driven transmission spare stretches into in the second water connectors and rotatably supports in the second bearing to guarantee second driven transmission spare can with driving transmission spare complex reliability, and then guarantee second driven transmission spare's motion stability.

According to the utility model discloses a some embodiments, the terminal surface of the water pipe 321 of first driven transmission spare and the terminal surface parallel and level of the water pipe 321 of second driven transmission spare not only can guarantee spray lance drive arrangement 100's compact structure nature and aesthetic property, can actually promote the water spray effect under the equal height moreover.

As shown in fig. 1 and 3 and fig. 5 and 7, according to some embodiments of the present invention, the driving transmission member 31 includes a driving gear, the first driven transmission member and the second driven transmission member include a driven gear respectively, and the size of the driven gear is the same as that of the driving gear, so as to ensure the stability and reliability of the motion and power transmission.

According to some embodiments of the present invention, the driving shaft 21 is connected to the driving shaft 31 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. The application of the spray rod driving device 100 of the dish washing machine is characterized in that the driving transmission piece 31 is connected with the driving shaft 21 through the connecting shaft 41 and the clamping piece 42, the driving transmission piece is installed when the driving transmission piece 31 is transmitted through power, meanwhile, the modular design of the spray rod assembly of the dish washing machine is facilitated, the structure is simple, and the occupied space is small.

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.

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.

According to some embodiments of the present invention, one side of the main housing 11 facing the active driving member 31 is provided with a fixing portion for installing a protective cover (not shown) covering the outside of the transmission mechanism 30, so as to protect the transmission mechanism 30 and prevent other components from interfering with the operation of the transmission mechanism 30.

In some embodiments, the fixing portion includes at least two fixing protrusions 114, and the at least two fixing protrusions 114 are located at two opposite sides of the active transmission member 31, so as to ensure the installation reliability and stability of the shield.

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, which is beneficial to realizing the modular design of the spray rod assembly of the dishwasher, and has simple structure and small 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, 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 fifth sealing member 18 is disposed between the inner surface of the housing 11 and the outer surface of the water pipe 321, and the fifth sealing member 18 abuts against the end surface of the bearing 50 adjacent thereto, so as to ensure the sealing performance of the housing 11 and 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 with a fixed cover 12 for opening and closing the opening, thereby facilitating the assembly and disassembly of the components within the chamber 1102. The fixing cover 12 and the housing 11 may be connected by a snap structure, for example, the fixing cover 12 may be rotated to connect the fixing 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.

Referring now to fig. 5-9, a spray bar drive 100 for a dishwasher in accordance with further embodiments of the present invention will be described.

As shown in fig. 5 to 8, 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 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 connected to the driving shaft 21, 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 to a plurality of spray bars (not shown) of the dishwasher in a one-to-one correspondence manner.

Wherein, the housing 11 defines a plurality of chambers 1102 arranged at intervals, a bearing 50 is arranged in each chamber 1102, each driven transmission member 32 is provided with a water passing pipe 321, the water passing pipe 321 is rotatably supported on the bearing 50, one end of the water passing pipe 321 is provided with a water inlet 3211, the other end of the water passing pipe 321 is provided with a water outlet 3212, and the water outlet 3212 can be communicated with a spray rod of the dishwasher so as to supply water for the spray rod.

When the driver 20 works, the driving shaft 21 can drive the driving transmission member 31 to rotate, and the driving transmission member 31 is in transmission connection with the driven transmission members 32, so that the driving transmission member 31 can drive the driven transmission members 32 to rotate respectively, thereby driving the spray bars of the dishwasher to rotate and realizing the spray washing effect.

According to the utility model discloses spray lance drive arrangement 100 of dish washer through setting up drive mechanism 30 including initiative driving medium 31 and a plurality of driven transmission medium 32, can utilize driver 20 to drive a plurality of spray lances simultaneously rotatory to increase the spray rinsing scope of dish washer, further improve the cleaning performance, and do benefit to the modularized design who realizes the spray lance subassembly of dish washer, simple structure, occupation space are little.

In addition, referring to fig. 5, a water passing cavity is not required to be arranged on the housing 11, water directly flows through the water passing pipe 321 and does not contact with the bearing 50, so that the possibility of blocking the bearing 50 by water is reduced, and a water inlet 3211 is formed at one end of the water passing pipe 321 and a water outlet 3212 is formed at the other end of the water passing pipe 321, so that the housing 11 does not need to form a closed structure, the structure of the housing 11 is simplified, and the installation is more convenient.

As shown in fig. 9, according to some embodiments of the present invention, the spray bar driving device 100 of the dishwasher further includes a water distribution pipe 800, the water distribution pipe 800 has a plurality of water distribution ports 803, and the plurality of water distribution ports 803 are in one-to-one communication with the plurality of water inlets 3211.

From this, through setting up water distribution pipe 800, can utilize water distribution pipe 800 to let in water pipe 321 to carry water to the spray lance, realize the spray rinsing effect. In addition, a water inlet 3211 is formed at one end of the water pipe 321, so that the structure of the water distribution pipe 800 in the related art can be directly used, or the structure of the water distribution pipe 800 is slightly modified, so that the water distribution function can be realized.

In some embodiments, a fixed cover 12 is provided at the opening of each chamber 1102, at least a portion of the water passing pipe 321 extends into the chamber 1102, and the water passing pipe 321 passes through the fixed cover 12. The fixing cover 12 and the housing 11 may be connected by a snap structure, for example, the fixing cover 12 may be rotated to connect the fixing cover 12 and the housing 11.

Specifically, as shown in fig. 5 and 7, the top and the bottom of the chamber 1102 are respectively provided with an opening, the water pipe 321 extends into the chamber 1102 from the bottom opening of the chamber 1102 and extends out from the top opening of the chamber 1102, the top opening of the chamber 1102 is sleeved with the fixing cover 12, the middle part of the fixing cover 12 is provided with a through hole, and one end of the water pipe 321 extending into the chamber 1102 extends into the through hole.

As shown in fig. 7, in some examples, the first sealing member 14 is disposed between the fixing cover 12 and the water passing pipe 321, that is, the first sealing member 14 is interposed between the inner surface of the fixing cover 12 and the outer surface of the water passing pipe 321, so as to ensure the sealing property between the fixing cover 12 and the water passing pipe 321 and prevent the water leakage phenomenon.

As shown in fig. 9, in some examples, the water distribution pipe 800 has a water main 801 and a plurality of water distribution branch pipes 802, one end of the plurality of water distribution branch pipes 802 is communicated with the water main 801, the other end of the plurality of water distribution branch pipes 802 defines a water distribution port 803, and the other end of the plurality of water distribution branch pipes 802 is sleeved outside the fixed cover 12, so that water can be simultaneously delivered to the plurality of water pipes 321 by the water distribution pipe 800, the effect of spraying water by the plurality of spray bars is realized, the spray range of the dishwasher is enlarged, and the cleaning effect is improved.

As shown in fig. 7, in some specific examples, a second seal 15 is provided between the fixing cover 12 and the distribution branch pipe 802. That is, the second sealing member 15 is interposed between the outer surface of the fixing cap 12 and the inner surface of the branch water distribution pipe 802, thereby ensuring the sealing between the fixing cap 12 and the branch water distribution pipe 802 and preventing the water leakage.

As shown in fig. 5 and 7, in some examples, a bearing 50 is provided in each chamber 1102, and the water passing pipe 321 is rotatably supported to 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.

As shown in fig. 7, 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. 5, 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.

As shown in fig. 5 and 7, a limiting member 70 is disposed at an end of the water pipe 321 that extends into the chamber 1102, that is, a limiting member 70 is disposed at an end of the water pipe 321 that is far away from the driving member 31, and the limiting member 70 is located between the bearing 50 and the first sealing member 14, so as to limit the water pipe 321 and prevent the water pipe 321 from coming out of the chamber 1102.

Specifically, as shown in fig. 5, the limiting member 70 forms an annular structure, the limiting member 70 has a plurality of arc-shaped ribs arranged at intervals along the circumferential direction of the limiting member, a gap is formed between two adjacent arc-shaped ribs, and at least two limiting protrusions are arranged on the inner sides of the arc-shaped ribs arranged at intervals and are inserted into the limiting holes on the water pipe 321.

As shown in fig. 5-7, according to some embodiments of the present invention, the spray bar driving device 100 of the dishwasher further includes a connecting member 40, and the driving shaft 21 and the active transmission member 31 are connected through the connecting member 40. By providing the coupling 40, the rotary motion and power of the drive shaft 21 can be transmitted to the active drive 31, thereby driving the spray bar.

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 movement and power output.

The connecting member 40 includes a connecting shaft 41, 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, and the other end of the connecting shaft 41 is connected with the driving transmission member 31.

In order to ensure the sealing property between the connecting shaft 41 and the housing 11, in some examples, the inner side of the housing 11 has a first mounting groove extending in the circumferential direction of the connecting shaft 41, a third sealing member 16 is provided in the first mounting groove, and the third sealing member 16 is closely attached to the inner wall of the first mounting groove and the outer wall of the connecting shaft 41, thereby ensuring the sealing property between the connecting shaft 41 and the housing 11.

In some examples, the connection shaft 41 may form a cam shaft, and a convex portion of the cam shaft in a circumferential direction thereof may be engaged with a water control switch of the dishwasher, thereby controlling opening and closing of the water control switch when the cam shaft rotates.

As shown in fig. 5 and 7, in some examples, 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. 5 and 7, in some examples, the connecting member 40 further includes a locking piece 42, and the other end of the connecting shaft 41 is connected to the driving transmission member 31 through the locking piece 42, so as to ensure the reliability of the connection between the connecting shaft 41 and the driving transmission member 31.

In some specific examples, the card 42 has a second connection hole 421, and the other end of the connection shaft 41 is inserted into the second connection 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. 5 and 7, in a further example, 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 the 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.

As shown in fig. 8, 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 in the process of inserting the connecting shaft 41 into the second connecting hole 421, a 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. 7, in a further example, 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 examples, the driving transmission member 31 further 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.

In some embodiments, a side of the main housing 111 facing the mounting plate 13 has a second mounting groove extending along a circumferential direction of the main housing 111, and a fourth sealing member 17 is disposed in the second mounting groove, and the fourth sealing member 17 is tightly attached between a bottom wall of the second mounting groove and the mounting plate 13, so as to ensure the sealing property between the main housing 111 and the mounting plate 13.

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

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

a main housing;

the water supply device comprises a main shell, a first water overflow joint, a second water overflow joint, a water tank and a water tank, wherein the main shell is provided with a side wall and a bottom wall;

a driver disposed within the main housing and having a drive shaft;

drive mechanism, drive mechanism includes initiative driving medium, first driven transmission medium and second driven transmission medium, initiative driving medium respectively with first driven transmission medium with the transmission of second driven transmission medium is connected, initiative driving medium locates the tip of the main casing body and with the drive shaft cooperation, first driven transmission medium locates first water connection, second driven transmission medium locates the second water connection, first driven transmission medium with second driven transmission medium have respectively be suitable for with the water pipe that the spray lance of dish washer links to each other.

2. The dishwasher of claim 1 wherein the axis of the first water lug and the axis of the second water lug are each parallel to the axis of the main housing.

3. The dishwasher spray bar drive of claim 1 wherein an angle between a line connecting the center of the main housing and the center of the first water overflow connector and a projection of the line connecting the center of the main housing and the center of the second water overflow connector in a plane perpendicular to the axis of the main housing is greater than 90 degrees and less than 180 degrees.

4. The dishwasher spray bar drive of claim 1 wherein said main housing, said first water overflow connector and said second water overflow connector are each formed in a cylindrical shape, said main housing having a diameter greater than the diameter of said first/second water overflow connectors.

5. The dishwasher of spray bar drive of claim 1 wherein said first water flow connector and said second water flow connector are symmetrically disposed on opposite sides of said main housing.

6. A spray bar drive of a dishwasher as claimed in any one of claims 1 to 5,

a first bearing is arranged in the first water passing joint, and one end of a water passing pipe of the first driven transmission part extends into the first water passing joint and is rotatably supported on the first bearing; and/or the presence of a gas in the gas,

and a second bearing is arranged in the second water passing joint, and one end of a water passing pipe of the second driven transmission part extends into the second water passing joint and is rotatably supported on the second bearing.

7. A spray bar drive of a dishwasher as claimed in any one of claims 1 to 5 wherein the end face of the water conduit of the first driven drive is flush with the end face of the water conduit of the second driven drive.

8. The spray bar drive of any one of claims 1-5 wherein the drive transmission comprises a drive gear and the first and second driven transmissions each comprise a driven gear that is the same size as the drive gear.

9. The spray bar drive of any one of claims 1-5 wherein the connection between the active drive and the drive shaft is made by a connecting shaft and a snap so that the drive shaft rotates the active drive.

10. The dishwasher of any one of claims 1 to 5, further comprising a mounting plate connected to the main housing.

11. A spray bar drive of a dishwasher as claimed in any one of claims 1 to 5 wherein a side of the main housing facing the active drive member is provided with a fixing portion for mounting a protective shield covering the outside of the drive mechanism;

the fixing part comprises at least two fixing convex columns, and the at least two fixing convex columns are located on two opposite sides of the active transmission part.

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

a spray bar drive of a dishwasher according to any one of claims 1-11; 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.

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