Spraying arm structure of dish washing machine and dish washing machine

Abstract

The spraying arm structure of the dish-washing machine comprises a water supply structure, a spraying arm structure, a spraying arm structure, a spraying arm structure, a spraying arm structure and a spraying arm structure, and the water supply structure is connected with a water path of the dish-washing machine; the rotating shaft assembly is connected with the water supply structure; the main spraying arm comprises a main spraying arm body and a plurality of main spraying holes formed in the main spraying arm body, the middle of the main spraying arm body is rotationally connected with the water supply structure through a rotating shaft assembly, and the main spraying arm body can rotate on a first plane relative to the water supply structure; the transmission part is in transmission connection with the main spraying arm, and when the main spraying arm rotates, the transmission part can be driven to do linear reciprocating motion; the auxiliary spraying arm comprises a first auxiliary spraying arm body, a plurality of auxiliary spraying holes are formed in the first auxiliary spraying arm body, the first auxiliary spraying arm body is installed on the transmission part and rotationally connected with the water supply structure, the first auxiliary spraying arm body can rotate on a second plane relative to the water supply structure, and an included angle is formed between the first plane and the second plane; the first auxiliary gushing arm body is in clearance fit connection with the transmission part.

Description

TECHNICAL FIELD

[0001] The utility model relates to kitchen electrical appliances technical field especially relates to a spray arm structure of dish washer and dish washer. BACKGROUND

[0002] With the improvement of living standards, more and more families in the market are equipped with dish washer currently, and the domestic dish washer is usually under the scouring action of spray water column, combines washing consumables, heating and other auxiliary means, reaches the purpose of cleaning the pollutants on tableware.

[0003] However, since the water pressure of the middle layer waterway in the dish washer is small, and the middle spray arm of the dish washer mostly adopts single circular spray mode, only single flushing angle and position, more dead angles that cannot be flushed are caused.

[0004] Therefore, a spray arm structure of dish washer is urgently needed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at at least in a certain extent solve one of the problems existing in prior art related, and for this purpose, the utility model provides a spray arm structure of dish washer, can spray water column of different angles, reduce flushing dead angle, improve washing effect.

[0006] The above purpose is realized by the following technical scheme:

[0007] A spray arm structure of dish washer, comprising:

[0008] Water supply structure, connect with the waterway of dish washer;

[0009] Rotating shaft assembly, connect with the water supply structure;

[0010] Main spray arm, the main spray arm includes main spray arm body and multiple main spray holes on the main spray arm body, the middle part of the main spray arm body is rotatably connected with the water supply structure through the rotating shaft assembly, and the main spray arm body can rotate on the first plane relative to the water supply structure;

[0011] Transmission part, transmission connection with the main spray arm, when the main spray arm rotates, can drive the transmission part to move along the straight line reciprocatingly;

[0012] Secondary spray arm, including first secondary spray arm body, multiple secondary spray holes are arranged on the first secondary spray arm body, the first secondary spray arm body is installed on the transmission part and rotatably connected with the water supply structure, and the first secondary spray arm body can rotate on the second plane relative to the water supply structure, the first plane and the second plane have included angle, and the first secondary spray arm body and the transmission part are connected in clearance fit.

[0013] Optionally, the transmission member comprises a transmission member body, a guide hole, a waist-shaped slot hole and one of a transmission part are arranged on the transmission member body, the guide hole is arranged at the middle part of the transmission member body, the waist-shaped slot hole is arranged at one side of the guide hole, the guide hole is sleeved on the rotating shaft assembly, the first auxiliary spray arm body is arranged at the end of the transmission member body, the other of the waist-shaped slot hole and the transmission part is arranged on the main spray arm body, the transmission part is inserted into the waist-shaped slot hole and can slide along the waist-shaped slot hole.

[0014] Optionally, the water supply structure is arranged on the upper side of the main spray arm body, and the transmission member body is located between the water supply structure and the main spray arm body.

[0015] Optionally, one of a first clamping hole and a first clasp is arranged at the end of the transmission member body, the other of the first clamping hole and the first clasp is arranged on the first auxiliary spray arm body, and the first clasp is clamped into the first clamping hole.

[0016] Optionally, the auxiliary spray arm further comprises a second auxiliary spray arm body and a connecting member, the first auxiliary spray arm body and the second auxiliary spray arm body are connected through the connecting member, the second auxiliary spray arm body is arranged at the front end of the first auxiliary spray arm body, and a plurality of auxiliary spray holes are arranged on the second auxiliary spray arm body.

[0017] Optionally, the connecting member comprises a connecting member body, and the first clasp is arranged on the connecting member body.

[0018] Optionally, a avoiding recess is further arranged on the connecting member body, and the first clasp is arranged in the avoiding recess.

[0019] Optionally, the main spray arm body is arranged along a horizontal plane, the water supply structure comprises water supply pipes and connecting pipes which are connected to each other, the water supply pipes and the first auxiliary spray arm body are both arranged along a front-rear direction, the first auxiliary spray arm body is connected to the water supply pipes through the connecting pipes, and the transmission member is arranged along a left-right direction.

[0020] Optionally, two groups of the auxiliary spray arms are arranged, and one group of the auxiliary spray arms is arranged on the left side and the right side of the water supply pipes.

[0021] The utility model discloses a kind of dishwashers, including basket and the spray arm structure of the dishwasher described above, and the spray arm structure is arranged at the lower side of the basket.

[0022] Optionally, it further includes a limiting block, which is installed on the basket. One end of the first auxiliary spray arm body is rotationally connected to the water supply structure, and the other end of the first auxiliary spray arm body is rotationally connected to the limiting block.

[0023] Optionally, the limiting block comprises a limiting block body, a limiting slot is formed on the upper side of the limiting block body, and the gasket is sleeved on the first auxiliary spray arm body and located in the limiting slot.

[0024] Optionally, one end of the limiting block body is provided with a second buckle, the other end of the limiting block body is provided with a first clamping groove with an upward opening, a second clamping groove with an upward opening is formed on the second buckle, one of the vertical basket rods of the basket is clamped on the lower side of the second buckle, and one of the horizontal basket rods of the basket is clamped in the first clamping groove and the second clamping groove.

[0025] Compared with the prior art, the utility model at least has following beneficial effects:

[0026] The spray arm structure of the dish washing machine comprises a water supply structure, a rotating shaft assembly, a main spray arm, a transmission member and an auxiliary spray arm. The water supply structure is connected with a water channel of the dish washing machine. The rotating shaft assembly is connected with the water supply structure. The main spray arm comprises a main spray arm body and a plurality of main spray holes formed on the main spray arm body. The middle part of the main spray arm body is rotationally connected with the water supply structure through the rotating shaft assembly, and the main spray arm body can rotate in a first plane relative to the water supply structure. The transmission member is in transmission connection with the main spray arm. When the main spray arm rotates, the transmission member can move back and forth along a straight line. The auxiliary spray arm comprises a first auxiliary spray arm body. A plurality of auxiliary spray holes are formed on the first auxiliary spray arm body. The first auxiliary spray arm body is installed on the transmission member and rotationally connected with the water supply structure. The first auxiliary spray arm body can rotate on a second plane relative to the water supply structure. The first plane and the second plane have an included angle. The first auxiliary spray arm body is in clearance fit connection with the transmission member. Water in the water supply structure flows into the main spray arm body and the auxiliary spray arm body, and then is sprayed out of the main spray holes and the auxiliary spray holes. When water in the main spray arm body is sprayed out of the main spray holes, the main spray arm body rotates relative to the water supply structure, and simultaneously drives the transmission member to move back and forth along a straight line, so that the transmission member drives the first auxiliary spray arm body to rotate back and forth relative to the water supply structure within a preset angle, and then the water flow sprayed out of the auxiliary spray holes and the water flow sprayed out of the main spray holes have different included angles, and then the spray arm structure can spray and wash tableware in the dish washing machine from different angles, effectively reduces or even avoids cleaning dead angles, and improves the cleaning effect. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a three-dimensional structure schematic diagram of the spray arm structure of the dish washing machine provided by the embodiment of the utility model;

[0028] Figure 2 is a three-dimensional structure schematic diagram of the spray arm structure of the dish washing machine provided by the embodiment of the utility model after removing the water supply structure;

[0029] Figure 3 isFigure 2 exploded view of the

[0030] Figure 4 is Figure 2 cross-sectional view of the

[0031] Figure 5 is Figure 4 cross-sectional view of A in the

[0032] Figure 6 is Figure 4 cross-sectional view of B in the

[0033] Figure 7 is a top view of a transmission part of a spray arm structure of a dish washing machine according to an embodiment of the present application;

[0034] Figure 8 is a three-dimensional structural schematic view of a limiting block of a spray arm structure of a dish washing machine according to an embodiment of the present application;

[0035] Figure 9 is a structural schematic view of a spray arm structure of a dish washing machine mounted on a basket according to an embodiment of the present application;

[0036] Figure 10 is Figure 9 cross-sectional view of C in the

[0037] Figure 11 is a three-dimensional structural schematic view of a connecting part of a spray arm structure of a dish washing machine according to an embodiment of the present application.

[0038] In the drawings:

[0039] 1, secondary spray arm; 11, first secondary spray arm body; 12, connecting part; 121, connecting part body; 122, first buckle; 123, avoiding groove; 13, secondary spray hole; 14, gasket; 15, second secondary spray arm body;

[0040] 2, transmission part; 21, transmission part body; 22, waist-shaped slot hole; 23, first clamping hole; 24, guide hole;

[0041] 3, rotating shaft assembly;

[0042] 4, main spray arm; 41, main spray arm body; 411, main spray hole; 42, transmission part;

[0043] 5, water supply structure; 51, water supply pipe; 52, connecting pipe;

[0044] 6, limiting block; 61, limiting block body; 62, limiting slot; 63, second buckle; 64, first clamping slot; 65, second clamping slot;

[0045] 7, basket; 71, horizontal basket rod; 72, vertical basket rod. Detailed Implementation

[0046] The following embodiments illustrate the present invention, but the present invention is not limited to these embodiments. Modifications to the specific implementation of the present invention or equivalent substitutions for some technical features, without departing from the spirit of the present invention, should all be covered within the scope of the technical solution claimed by the present invention.

[0047] Example 1

[0048] Please refer to Figures 1-10 This utility model provides a spray arm structure for a dishwasher, including a water supply structure 5, a rotating shaft assembly 3, a main spray arm 4, a transmission component 2, and a secondary spray arm 1. The water supply structure 5 is connected to the water circuit of the dishwasher. The rotating shaft assembly 3 is connected to the water supply structure 5. The main spray arm 4 includes a main spray arm body 41 and a plurality of main spray holes 411 formed on the main spray arm body 41. The middle part of the main spray arm body 41 is rotatably connected to the water supply structure 5 through the rotating shaft assembly 3. The main spray arm body 41 can rotate relative to the water supply structure 5 in a first plane. The transmission component 2 is drively connected to the main spray arm 4. When the main spray arm 4 rotates, it can drive the transmission component 2 to reciprocate in a straight line. The auxiliary spray arm 1 includes a first auxiliary spray arm body 11, on which a plurality of auxiliary spray holes 13 are provided. The first auxiliary spray arm body 11 is mounted on the transmission component 2 and rotatably connected to the water supply structure 5. The first auxiliary spray arm body 11 can rotate relative to the water supply structure 5 on a second plane. There is an angle between the first plane and the second plane. The first auxiliary spray arm body 11 is clearance-fitted with the transmission component 2. Water from the water supply structure 5 flows into the main spray arm body 41 and the first auxiliary spray arm body 11, and then sprays out from the main spray hole 411 and the auxiliary spray hole 13. When the water in the main spray arm body 41 is sprayed out from the main spray hole 411, the main spray arm body 41 rotates relative to the water supply structure 5, and at the same time drives the transmission component 2 to reciprocate along a straight line. This causes the transmission component 2 to drive the first auxiliary spray arm body 11 to reciprocate relative to the water supply structure 5 within a preset angle. As a result, the water flow sprayed from the auxiliary spray hole 13 and the water flow sprayed from the main spray hole 411 have different angles. This allows the spray arm structure to spray and wash the dishes in the dishwasher from different angles, effectively reducing or even avoiding cleaning dead corners and improving the cleaning effect.

[0049] Optionally, the transmission member 2 comprises a transmission member body 21, the transmission member body 21 is provided with a guide hole 24 and one of a waist-shaped slot hole 22 and a transmission portion 42, the guide hole 24 is arranged at the middle of the transmission member body 21, the waist-shaped slot hole 22 is arranged at one side of the guide hole 24, the guide hole 24 is sleeved on the rotating shaft assembly 3, the first sub-spraying arm body 11 is installed at the end of the transmission member body 21, the main-spraying arm body 41 is provided with the other one of the waist-shaped slot hole 22 and the transmission portion 42, the transmission portion 42 is inserted into the waist-shaped slot hole 22 and can slide along the waist-shaped slot hole 22, when the main-spraying arm body 41 rotates, the transmission portion 42 acts in the waist-shaped slot hole 22 and pushes the transmission member body 21 to move linearly along the waist-shaped slot hole 22, and the structure is simple.

[0050] It should be noted that the rotating shaft assembly 3 is a prior art, as long as it can realize the rotation of the main-spraying arm 4 relative to the water supply structure 5, which will not be described here.

[0051] In the embodiment, the waist-shaped slot hole 22 is a through rectangular hole, and in other embodiments, the waist-shaped slot hole 22 can also be a rectangular slot with an opening.

[0052] Optionally, in the embodiment, the waist-shaped slot hole 22 is arranged on the transmission member body 21, and the transmission portion 42 is arranged on the main-spraying arm body 41, so as to reduce the thickness of the main-spraying arm body 41 and facilitate the compactness of the structure. Optionally, the water supply structure 5 is arranged on the upper side of the main-spraying arm body 41, and the transmission member body 21 is located between the water supply structure 5 and the main-spraying arm body 41, so as to facilitate the installation of the transmission member 2 on the main-spraying arm 4 and limit the transmission portion 42, so that the transmission portion 42 can always be inserted into the waist-shaped slot hole 22, and the transmission portion 42 is prevented from being pulled out of the waist-shaped slot hole 22.

[0053] Optionally, the end of the transmission member body 21 is provided with one of a first clamping hole 23 and a first clasp 122, and the first sub-spraying arm body 11 is provided with the other one of the first clamping hole 23 and the first clasp 122, and the first clasp 122 is clamped into the first clamping hole 23, so as to realize the clearance fit installation of the first sub-spraying arm body 11 on the transmission member body 21.

[0054] Optionally, the main-spraying arm body 41 extends along the horizontal plane, the water supply structure 5 comprises water supply pipes 51 and connecting pipes 52 connected with each other, the water supply pipes 51 and the first sub-spraying arm body 11 both extend along the front-rear direction, the first sub-spraying arm body 11 is connected with the water supply pipes 51 through the connecting pipes 52, and the transmission member 2 extends along the left-right direction. Specifically, the main-spraying arm body 41 rotates in the first plane, that is, the main-spraying arm body 41 rotates in the horizontal plane, the first sub-spraying arm body 11 rotates in the second plane, that is, the first sub-spraying arm body 11 rotates in the vertical plane, and when the main-spraying arm body 41 rotates, the main-spraying arm body 41 drives the transmission member body 21 to move linearly along the left-right direction.

[0055] Optionally, the sub-spray arm 1 is provided with two groups, and one group of sub-spray arms 1 is arranged on the left side and the right side of the water supply pipe 51, so as to expand the spray area and improve the uniformity of spray.

[0056] Embodiment two

[0057] Please refer to Figure 11 , the difference between embodiment two and embodiment is that the sub-spray arm 1 further comprises a second sub-spray arm body 15 and a connecting piece 12, the first sub-spray arm body 11 and the second sub-spray arm body 15 are connected through the connecting piece 12, the second sub-spray arm body 15 is arranged at the front end of the first sub-spray arm body 11, and a plurality of sub-spray holes 13 are arranged on the second sub-spray arm body 15. By arranging the first sub-spray arm body 11 and the second sub-spray arm body 15 separately, demolding is facilitated.

[0058] Optionally, the connecting piece 12 comprises a connecting piece body 121, and a first buckle 122 is arranged on the connecting piece body 121, so as to facilitate the arrangement of the first buckle 122.

[0059] Optionally, a avoiding groove 123 is further arranged on the connecting piece body 121, the avoiding groove 123 is used for avoiding the transverse basket rod 71 of the basket 7 of the dishwasher, so as to facilitate the installation of the connecting piece 12 and facilitate the compactness of the structure.

[0060] The utility model provides a dishwasher on the other hand, including basket 7 and the dishwasher's spray arm structure above, spray arm structure sets up at the downside of basket 7.

[0061] Optionally, it further comprises a limiting block 6, the limiting block 6 is installed on the basket 7, one end of the first sub-spray arm body 11 is rotatably connected with the water supply structure 5, the other end of the first sub-spray arm body 11 is rotatably connected with the limiting block 6, and the limiting block 6 and the water supply structure 5 jointly limit the two ends of the first sub-spray arm body 11, so that the two ends of the first sub-spray arm 1 can stably rotate, thereby ensuring the stability of the first sub-spray arm 1.

[0062] Optionally, the limiting block 6 comprises a limiting block body 61, a limiting groove 62 is arranged on the upper side of the limiting block body 61, the sub-spray arm 1 further comprises a gasket 14 sleeved on the first sub-spray arm body 11, and the gasket 14 is located in the limiting groove 62. The first sub-spray arm 1 rotates in the limiting groove 62 through the gasket 14, which on the one hand realizes the further limiting of the first spray arm body in the axial direction, ensures the stability of the first sub-spray arm body 11, and on the other hand can also avoid the rigid contact between the first sub-spray arm body 11 and the limiting groove 62, prevents the first sub-spray arm body 11 from being abraded.

[0063] Optionally, one end of the limiting block body 61 is provided with a second buckle 63, the other end of the limiting block body 61 is provided with a first clamping groove 64 with an upward opening, the second buckle 63 is provided with a second clamping groove 65 with an upward opening, one of the vertical basket rods 72 of the bowl basket 7 is clamped on the lower side of the second buckle 63, one of the horizontal basket rods 71 of the bowl basket 7 is clamped in the first clamping groove 64 and the second clamping groove 65, thereby achieving the installation of the limiting block 6 on the bowl basket 7.

[0064] Specifically, the bowl basket 7 is woven by a plurality of horizontal basket rods 71 extending in the left-right direction and a plurality of vertical basket rods 72 extending in the front-back direction, one of the horizontal basket rods 71 corresponding to the position of the limiting block body 61 is clamped in the first clamping groove 64 and the second clamping groove 65, and one of the vertical basket rods 72 corresponding to the position of the limiting block body 61 is clamped in the second buckle 63.

[0065] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept of the present application, a number of modifications and improvements can be made, which are all within the scope of protection of the present application.

Claims

1. A structure of a spray arm of a dishwasher, characterized in that, The utility model relates to a dish washing machine, including: water supply structure (5) is connected with the water course of dish washing machine; Rotary shaft subassembly (3) is connected with water supply structure (5); Main spray arm (4) includes main spray arm body (41) and multiple main spray holes (411) on main spray arm body (41), the middle part of main spray arm body (41) is rotatably connected with water supply structure (5) through rotary shaft subassembly (3), and main spray arm body (41) can rotate on the first plane relative to water supply structure (5); Transmission member (2) is drivingly connected with main spray arm (4), and when main spray arm (4) rotates, transmission member (2) can be driven to reciprocate along a straight line; Sub-spray arm (1) includes first sub-spray arm body (11), and multiple sub-spray holes (13) are formed in first sub-spray arm body (11), first sub-spray arm body (11) is installed on transmission member (2) and is rotatably connected with water supply structure (5), first sub-spray arm body (11) can rotate on the second plane relative to water supply structure (5), and the first plane and the second plane have an included angle, and first sub-spray arm body (11) is connected with transmission member (2) in clearance fit.

2. The spray arm structure of the dish washer according to claim 1, wherein, Transmission member (2) includes transmission member body (21), and one of waist type slot hole (22) and transmission part (42) is formed in transmission member body (21), guide hole (24) is formed in the middle part of transmission member body (21), waist type slot hole (22) is formed in one side of guide hole (24), guide hole (24) is sleeved on rotary shaft subassembly (3), first sub-spray arm body (11) is installed on the end of transmission member body (21), the other of waist type slot hole (22) and transmission part (42) is arranged on main spray arm body (41), transmission part (42) is inserted into waist type slot hole (22) and can slide along waist type slot hole (22). 3.The spray arm structure of the dish washer according to claim 2, wherein, Water supply structure (5) is arranged on the upper side of main spray arm body (41), and transmission member body (21) is located between water supply structure (5) and main spray arm body (41). 4.The dish washer spray arm structure according to claim 2, wherein, The end of transmission member body (21) is provided with one of first clamping hole (23) and first buckle (122), and the other of first clamping hole (23) and first buckle (122) is arranged on first sub-spray arm body (11), and first buckle (122) is clamped into first clamping hole (23).

5. The spray arm structure of the dish washer according to claim 4, wherein, Sub-spray arm (1) further includes second sub-spray arm body (15) and connecting piece (12), first sub-spray arm body (11) and second sub-spray arm body (15) are connected through connecting piece (12), second sub-spray arm body (15) is arranged at the front end of first sub-spray arm body (11), and multiple sub-spray holes (13) are formed in second sub-spray arm body (15). 6.The spray arm structure of the dish washer according to claim 5, wherein, The connecting piece (12) comprises a connecting piece body (121), and the first buckle (122) is arranged on the connecting piece body (121). 7.The spray arm structure of the dish washer according to claim 6, wherein, The connecting piece body (121) is further provided with a relief groove (123), and the first buckle (122) is arranged in the relief groove (123).

8. The spray arm structure of a dishwasher according to any one of claims 1 to 7, characterized in that, The main spray arm body (41) is arranged along a horizontal plane, the water supply structure (5) comprises a water supply pipe (51) and a connecting pipe (52) connected with each other, the water supply pipe (51) and the first auxiliary spray arm body (11) are both arranged along a front-rear direction, the first auxiliary spray arm body (11) is connected with the water supply pipe (51) through the connecting pipe (52), and the transmission member (2) is arranged along a left-right direction. 9.The spray arm structure of the dish washer according to claim 8, wherein, The auxiliary spray arm (1) is arranged in two groups, and one group of the auxiliary spray arm (1) is arranged on the left side and the right side of the water supply pipe (51).

10. A dishwasher, characterized in that The dish washing machine comprises a basket (7) and the spray arm structure of any one of claims 1-9, and the spray arm structure is arranged on the lower side of the basket (7).

11. The warewash machine of claim 10, wherein, The dish washing machine further comprises a limiting block (6) mounted on the basket (7), one end of the first auxiliary spray arm body (11) is rotationally connected with the water supply structure (5), and the other end of the first auxiliary spray arm body (11) is rotationally connected with the limiting block (6). 12.The dish washer of claim 11, wherein The limiting block (6) comprises a limiting block body (61), and a limiting groove (62) is arranged on the upper side of the limiting block body (61), the auxiliary spray arm (1) further comprises a gasket (14) sleeved on the first auxiliary spray arm body (11), and the gasket (14) is located in the limiting groove (62). 13.The dish washer of claim 12, wherein One end of the limiting block body (61) is provided with a second buckle (63), the other end of the limiting block body (61) is provided with a first clamping groove (64) with an upward opening, a second clamping groove (65) with an upward opening is arranged on the second buckle (63), one of vertical basket rods (72) of the basket (7) is clamped on the lower side of the second buckle (63), and one of horizontal basket rods (71) of the basket (7) is clamped in the first clamping groove (64) and the second clamping groove (65).

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