CN209932651U

CN209932651U - Spray arm of cleaning machine

Info

Publication number: CN209932651U
Application number: CN201920258610.XU
Authority: CN
Inventors: 魏本柱; 罗少波; 郑峰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2020-01-14
Anticipated expiration: 2029-02-28

Abstract

The utility model relates to a spray arm of cleaning machine, locate the spray arm body on this water conservancy diversion seat including the water conservancy diversion seat and can rotate, the water inlet has been seted up on the lower wall of spray arm body, still include the revolute pair, first magnetic part and second magnetic part, the revolute pair is located and is arranged on the lower wall of spray arm body and around the circumference of water inlet, first magnetic part is located on the lower terminal surface of revolute pair, the second magnetic part is located on the up end of water conservancy diversion seat and is different from first magnetic part magnetism, the revolute pair is through first magnetic part, the inter attraction of second magnetic part is taken off the formula and is connected on the water conservancy diversion seat. The utility model has the advantages of simple and reasonable structure, through the inter attraction of first magnetic part, second magnetic part with the revolute pair connect on the water conservancy diversion seat, and the spray arm main part rotates with the revolute pair to be connected, thereby make the spray arm rotate for the water conservancy diversion seat, not only be convenient for install, and rotate the in-process friction and reduce greatly, be favorable to improving the hydroenergy utilization ratio, and then improve the cleaning performance.

Description

Spray arm of cleaning machine

Technical Field

The utility model relates to a spray arm of cleaning machine.

Background

With the increasing living standard of people, the dish washing machine is used as a kitchen household appliance and is more and more introduced into families. The dish-washing machines on the market are generally divided into a table type dish-washing machine, a cabinet type dish-washing machine and a trough type dish-washing machine, wherein the table type dish-washing machine is an integral independent structure and is generally placed on a table top for use; the cabinet type dish washing machine is also an independent structure, but needs to be embedded into a kitchen cabinet for use; the sink dishwasher is combined with a sink and is generally installed in a kitchen cabinet for use.

At present, the structure of a relatively mature water tank type cleaning machine in the market is mainly described in chinese patent "water tank type cleaning machine" (application number: CN201310750968.1) with publication number CN104224074B, that is, the water tank type cleaning machine comprises a tank body forming a washing space, the tank body comprises a water tank body and a cover plate rotatably connected to the water tank body, a concave draining area is arranged at least at the central part of the bottom of the water tank body, a water pump for pumping water in the draining area to the washing space above the draining area is arranged in the draining area, the draining area is covered with a draining plate with draining holes, and a rotary spray arm which is communicated with the water pump and has water outlet holes is arranged above the draining plate. By arranging the draining area covered with the draining plate and arranging the water pump in the draining area, the water pump is isolated from the washing area, so that the water flowing back to the water pump is filtered by the draining plate.

The spray arm of present cleaning machine is connected through the buckle with between the water conservancy diversion seat, has following drawback:

(1) the spray arm is provided with a buckle which is in clearance fit with the spray arm, so that the spray arm floats upwards after water enters the tank body in actual use, friction between the buckle and the spray arm is increased, the water energy utilization rate is reduced, and the cleaning effect is influenced;

(2) when the spray arm is installed, the buckle is required to be rotated, and the clamping point on the buckle is required to enter the clamping groove on the flow guide seat, so that the spray arm cannot normally work due to the fact that the spray arm buckle is not rotated by a user in actual use;

(3) due to the clamping grooves in the flow guide seat, the spray arm can be rotatably installed by missing the clamping grooves during installation, and the installation difficulty is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide one kind can effectively reduce relative friction between spray arm and the water conservancy diversion seat, improve the cleaning performance and be convenient for the cleaning machine's of installation spray arm.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a spray arm of cleaning machine, includes water conservancy diversion seat and can locate the spray arm body on this water conservancy diversion seat with rotating, seted up water inlet, its characterized in that on the lower wall of spray arm body: the spray arm comprises a spray arm body and is characterized by further comprising a revolute pair, a first magnetic part and a second magnetic part, wherein the revolute pair is arranged on the lower wall surface of the spray arm body and arranged around the circumference of the water inlet, the first magnetic part is arranged on the lower end surface of the revolute pair, the second magnetic part is arranged on the upper end surface of the flow guide seat and is different from the first magnetic part in magnetism, and the revolute pair is connected to the flow guide seat in a detachable mode through mutual attraction of the first magnetic part and the second magnetic part.

In order to facilitate assembly, a first accommodating groove which is circumferentially arranged is formed in the lower end face of the revolute pair, the first magnetic piece is embedded in the first accommodating groove, a second accommodating groove which is circumferentially arranged is formed in the upper end face of the flow guide seat, the second magnetic piece is embedded in the second accommodating groove, and the lower end face of the revolute pair is attached to the upper end face of the flow guide seat in an assembled state. By adopting the structure, the silt or dirt which is inconvenient to clean is prevented from accumulating between the revolutionary pair and the upper end surface of the flow guide seat.

Preferably, the lower wall surface of the spray arm body is provided with an assembly ring which extends downwards along the circumferential direction of the water inlet, and the revolute pair is connected to the lower end surface of the assembly ring. By adopting the structure, the rotating pair is convenient to mount, and the rotating pair bears the rotating friction force with the spray arm main body, so that the structure can improve the mechanical strength of the joint of the spray arm main body and the rotating pair.

Preferably, the upper end of the guide seat is provided with a guide part extending upwards from the inner edge of the upper end surface of the guide seat, the upper end of the guide part extends to the inner peripheral wall of the assembly ring, and the upper end surface of the guide part is formed into an arc surface which is gradually inclined downwards from outside to inside along the radial direction and is arched towards the water inlet. The structure can guide water flow to the lower edge of the water inlet at least, and can improve the flow guide performance and further improve the water energy utilization rate.

Compared with the prior art, the utility model has the advantages of: the utility model has the advantages of simple and reasonable structure, through the inter attraction of first magnetic part, second magnetic part with the revolute pair connect on the water conservancy diversion seat, and the spray arm main part rotates with the revolute pair to be connected, thereby make the spray arm rotate for the water conservancy diversion seat, not only be convenient for install, and rotate the in-process friction and reduce greatly, be favorable to improving the hydroenergy utilization ratio, and then improve the cleaning performance.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

fig. 3 is a schematic structural view of the spray arm main body in the embodiment of the present invention;

fig. 4 is a schematic structural view of the diversion seat in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the spray arm of the cleaning machine of the present embodiment includes a diversion seat 1, a spray arm body 2, a revolute pair 3, a first magnetic member 4 and a second magnetic member 5, the spray arm body 2 can be rotatably disposed on the diversion seat 1, and a water inlet 21 is disposed on a lower wall surface of the spray arm body 2. The revolute pair 3 in this embodiment is a rolling bearing type revolute pair, an assembly ring 22 extending downwards along the circumferential direction of the water inlet 21 is arranged on the lower wall surface of the spray arm body 2, the revolute pair 3 is connected to the lower end surface of the assembly ring 22, the revolute pair is arranged around the circumferential direction of the water inlet 21, the first magnetic part 4 is arranged on the lower end surface of the revolute pair 3, the second magnetic part 5 is arranged on the upper end surface of the diversion seat 1 and is different from the first magnetic part 4 in magnetic property, and the revolute pair 3 is connected to the diversion seat 1 in a detachable manner through the mutual attraction of the first magnetic part 4 and the second magnetic part 5.

In order to facilitate assembly, in this embodiment, a first receiving groove 31 is formed in a lower end surface of the revolute pair 3 in a circumferential direction, the first magnetic member 4 is embedded in the first receiving groove 31, a second receiving groove 11 is formed in an upper end surface of the guide seat 1 in the circumferential direction, the second magnetic member 5 is embedded in the second receiving groove 11, and in an assembled state, the lower end surface of the revolute pair 3 is attached to the upper end surface of the guide seat 1. By adopting the structure, silt or dirt which is inconvenient to clean is prevented from accumulating between the revolute pair 3 and the upper end surface of the guide seat 1.

In this embodiment, the upper end of the deflector base 1 has a guide portion 12 extending upward from an inner edge of the upper end surface of the deflector base 1, the upper end of the guide portion 12 extends to the inner peripheral wall of the fitting ring 22, and the upper end surface of the guide portion 12 is formed as an arc surface 121 which is gradually inclined downward from outside to inside in the radial direction and is arched toward the water inlet 21. The structure can guide water flow to at least the lower edge of the water inlet 21, and can improve the flow guide performance and further improve the water energy utilization rate.

Use the spray arm of this embodiment, during the installation, through the inter attraction of first magnetic part 4, second magnetic part 5 with revolute pair 3 connect on water conservancy diversion seat 1, and spray arm main part 2 rotates with revolute pair 3 to be connected to make spray arm body 2 can rotate for water conservancy diversion seat 1, the installation of not only being convenient for, and rotate the in-process friction and reduce greatly, be favorable to improving the hydroenergy utilization ratio, and then improve the cleaning performance.

Claims

1. The utility model provides a spray arm of cleaning machine, includes water conservancy diversion seat (1) and can locate spray arm body (2) on this water conservancy diversion seat (1) with rotating, water inlet (21), its characterized in that have been seted up on the lower wall of spray arm body (2): still include revolute pair (3), first magnetic part (4) and second magnetic part (5), revolute pair (3) are located and are arranged on the lower wall face of spray arm body (2) and around the circumference of water inlet (21), first magnetic part (4) are located on the lower terminal surface of revolute pair (3), second magnetic part (5) are located on the up end of water conservancy diversion seat (1) and are different with first magnetic part (4) magnetism, revolute pair (3) are through the inter attraction shirked connection of first magnetic part (4), second magnetic part (5) on water conservancy diversion seat (1).

2. The spray arm of a cleaning machine of claim 1, wherein: the lower end face of the revolute pair (3) is provided with a first accommodating groove (31) arranged along the circumferential direction, the first magnetic part (4) is embedded in the first accommodating groove (31), the upper end face of the flow guide seat (1) is provided with a second accommodating groove (11) arranged along the circumferential direction, the second magnetic part (5) is embedded in the second accommodating groove (11), and the lower end face of the revolute pair (3) is attached to the upper end face of the flow guide seat (1) in an assembly completion state.

3. The spray arm of a cleaning machine according to claim 1 or 2, characterized in that: the spray arm is characterized in that an assembly ring (22) extending downwards along the circumferential direction of the water inlet (21) is arranged on the lower wall surface of the spray arm body (2), and the revolute pair (3) is connected to the lower end surface of the assembly ring (22).

4. The spray arm of a cleaning machine of claim 3, wherein: the upper end of the flow guide seat (1) is provided with a guide part (12) extending upwards from the inner edge of the upper end surface of the flow guide seat (1), the upper end of the guide part (12) extends to the inner peripheral wall of the assembling ring (22), and the upper end surface of the guide part (12) is formed into an arc surface (121) which is gradually inclined downwards from outside to inside along the radial direction and arched towards the water inlet (21).