CN112842202A

CN112842202A - Spray arm connecting structure and cleaning equipment with same

Info

Publication number: CN112842202A
Application number: CN202110278504.XA
Authority: CN
Inventors: 房江
Original assignee: Zhuichuang Technology Suzhou Co Ltd
Current assignee: Zhuichuang Technology Suzhou Co Ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-05-28

Abstract

The invention relates to a spray arm connecting structure and cleaning equipment with the same, wherein a spray arm is communicated with a water inlet pipe, the spray arm is provided with a water inlet end, the water inlet pipe is provided with a water outlet end, and the spray arm connecting structure further comprises: the first ceramic sealing element is arranged at the water inlet end; and a second ceramic seal disposed at the water outlet end; the first ceramic sealing element and the second ceramic sealing element are abutted in the axial direction of the water inlet end and the water outlet end. Through the mode, the sealing device has the advantage of good sealing effect.

Description

Spray arm connecting structure and cleaning equipment with same

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of cleaning equipment, in particular to a spray arm connecting structure and cleaning equipment with the same.

[ background of the invention ]

The dish washing machine is a cleaning device for automatically cleaning tableware such as bowls, chopsticks, plates and dishes, and is used by more and more families along with the improvement of living standard of people, so that the labor intensity of a user can be reduced, the working efficiency is improved, the cleanness and the sanitation are improved, and the comfortable life experience of the user is met. The dish washing machine is provided with a cleaning cavity, a spraying arm is arranged in the cleaning cavity, and the spraying arm is connected with a water inlet pipe in the cleaning cavity.

In the prior art, the spray arm is in clearance connection with the water inlet pipe, and in the washing process, the joint of the spray arm and the water inlet pipe leaks more water, and the sealing effect is poor, so that the flow loss of the washing pump is large, and the washing efficiency is low. Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

[ summary of the invention ]

The invention aims to provide a spray arm connecting structure and cleaning equipment with the same, and the spray arm connecting structure has the advantage of good sealing effect.

The purpose of the invention is realized by the following technical scheme:

the utility model provides a spray arm connection structure, spray arm and inlet tube intercommunication, spray arm is equipped with into water end, the inlet tube is equipped with out the water end, still includes: a first ceramic seal disposed at the water inlet end; and a second ceramic seal disposed at the water outlet end; the first ceramic seal and the second ceramic seal abut in an axial direction of the water inlet end and the water outlet end.

In one embodiment, a connecting piece is arranged on the outer peripheral surface of the water inlet end, and the spray arm is connected with the water inlet pipe through the connecting piece; the connecting piece and the spray arm can rotate relatively.

In one embodiment, the inner ring of the connecting piece is provided with a first clamping part, and the outer peripheral surface of the water inlet end is provided with a second clamping part matched with the first clamping part; the connecting piece with the spray arm passes through first joint portion with the cooperation of second joint portion joint.

In one embodiment, a third clamping part is arranged on the outer peripheral surface of the connecting piece, and a fourth clamping part matched with the third clamping part is arranged at the end part, close to the spray arm, of the water inlet pipe; the connecting piece with the inlet tube passes through third joint portion with fourth joint portion joint cooperation.

In one embodiment, after the spray arm is connected with the water inlet pipe through the connecting piece, the second clamping portion and the fourth clamping portion are arranged in an enclosing manner to form an accommodating cavity, and the first ceramic sealing element and the second ceramic sealing element are arranged in the accommodating cavity in an overlapping manner.

In one embodiment, a first sealing ring is arranged between the first ceramic sealing element and the second clamping portion, and a second sealing ring is arranged between the second ceramic sealing element and the fourth clamping portion.

In one embodiment, a first groove for accommodating the first seal ring is formed in an end surface, close to the second clamping portion, of the first ceramic seal, and a second groove for accommodating the second seal ring is formed in an end surface, close to the fourth clamping portion, of the second ceramic seal.

In one embodiment, the first ceramic sealing element is clamped on the outer peripheral surface of the water inlet end, the outer peripheral surface of the water inlet end is further provided with a limiting block, and the inner ring of the first ceramic sealing element is provided with a limiting groove matched with the limiting block.

In one embodiment, the first ceramic sealing element and the second ceramic sealing element are annularly arranged on the peripheries of the water inlet end and the water outlet end along the circumferential direction of the water inlet end and the water inlet pipe.

In order to solve the above technical problem, another solution proposed by the present invention is:

a cleaning device, comprising: the spray arm attachment structure as previously described.

Compared with the prior art, the invention has the following beneficial effects:

according to the spray arm connecting structure and the cleaning equipment with the same, the first ceramic sealing element and the second ceramic sealing element are stacked at the connecting part of the spray arm and the water inlet pipe, so that water can be effectively prevented from leaking from the connecting part of the spray arm and the water inlet pipe, and the spray arm connecting structure has the advantages of being simple in structure and good in sealing effect.

[ description of the drawings ]

Fig. 1 is a schematic view of the structure between the spray arm and the inlet pipe in the present invention.

Fig. 2 is a schematic sectional structure of fig. 1.

Fig. 3 is an enlarged schematic view of a region a in fig. 2.

Fig. 4 is an exploded view of fig. 1.

Fig. 5 is an exploded view of the spray arm and link of fig. 4.

Fig. 6 is an enlarged schematic view of a region B in fig. 5.

Fig. 7 is an enlarged schematic view of the region C in fig. 3.

Fig. 8 is a schematic structural view of a first ceramic seal in the present invention in a top view.

Fig. 9 is a schematic view of a second ceramic seal according to the present invention in a bottom view.

Fig. 10 is a schematic view of a first ceramic seal and attachment member of the present invention after attachment to a spray arm.

[ detailed description ] embodiments

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms "comprising" and "having," as well as any variations thereof, in the present invention are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1 to 4, the present invention provides a connection structure of a spray arm 100 for sealing a spray arm 100 and a water inlet pipe 200, wherein the spray arm 100 is provided with a water inlet end 110, the water inlet pipe 200 is provided with a water outlet end 210, and the spray arm 100 and the water inlet pipe 200 are communicated with each other through the water inlet end 110 and the water outlet end 210. The spray arm 100 connection structure further includes: a first ceramic seal 300 disposed at the water inlet end 110; and a second ceramic seal 400 disposed at the water outlet 210; wherein the first and second

ceramic seals

300, 400 abut in the axial direction of the water inlet end 110 and the water outlet end 210.

Through the manner, after the spray arm 100 and the water inlet pipe 200 are connected, the first ceramic sealing element 300 and the second ceramic sealing element 400 are overlapped at the joint of the spray arm 100 and the water inlet pipe 200, so that water can be effectively prevented from leaking from the joint of the spray arm 100 and the water inlet pipe 200, and the spray arm has the advantages of simple structure and good sealing effect.

The water inlet end 110 is formed in the middle of the spray arm 100, and the water inlet end 110 is a short cylinder with two open ends and a hollow interior to communicate with the spray arm 100 for water inlet. The outlet end 210 of the inlet tube 200 is circular for water outlet. The first and second

ceramic seals

300 and 400 are circumferentially provided around the outer circumferences of the water inlet end 110 and the water outlet end 210 in the circumferential direction of the water inlet end 110 and the water inlet pipe 200. Therefore, water can be effectively prevented from leaking from the joint of the spray arm 100 and the water inlet pipe 200, and the sealing effect is good. The "water" referred to above may be tap water or tap water with detergent added thereto, and it is understood that the water in the spray arm 100 and the water inlet pipe 200 includes, but is not limited to, the above two, and may be other types of liquid or gas.

In order to realize that the spray arm 100 can rotate relative to the water inlet pipe 200 after being connected with the water inlet pipe 200, a connecting piece 500 is arranged between the spray arm 100 and the water inlet pipe 200, the connecting piece 500 is used for connecting the spray arm 100 and the water inlet pipe 200, the connecting piece 500 and the spray arm 100 can rotate relatively, and the connecting piece 500 and the water inlet pipe 200 cannot rotate relatively. The outer peripheral face of end 110 of intaking is equipped with connecting piece 500, specifically, connecting piece 500 is cyclic annular, and the inner circle of connecting piece 500 is equipped with first joint portion 510, and the outer peripheral face of end 110 of intaking is equipped with the second joint portion 120 with first joint portion 510 matched with, realizes the joint cooperation through first joint portion 510 and second joint portion 120 between connecting piece 500 and the spray arm 100. The outer peripheral face of connecting piece 500 still is equipped with third joint portion 520, and the tip that inlet tube 200 is close to spray arm 100 is equipped with fourth joint portion 220 with third joint portion 520 matched with, and connecting piece 500 and inlet tube pass through third joint portion 520 and fourth joint portion 220 joint cooperation. After the spray arm 100 is connected to the water inlet pipe 200 through the connector 500, the second clamping portion 120 and the fourth clamping portion 220 enclose to form an accommodating cavity, and the first ceramic sealing element 300 and the second ceramic sealing element 400 are stacked in the accommodating cavity. Thus, the first and second

ceramic seals

300 and 400 are not directly exposed to the outside, effectively extending the lifespan of the first and second

ceramic seals

300 and 400.

Specifically, as shown in fig. 3, 6 and 7, the first engaging portion 510 is a ring-shaped protruding ring formed on the inner ring of the connecting member 500, and the protruding ring is annular and concentrically distributed with the connecting member 500. The second clamping portion 120 includes a first circular wall 121, a first clamping block 122 disposed on the first circular wall 121 and engaged with the first clamping portion 510, and a top plate 123 for connecting the first circular wall 121 and the water inlet end 110, wherein the first circular wall 121 and the water inlet end 110 are coaxially disposed and surround the periphery of the water inlet end 110, the first clamping block 122 is formed on the outer peripheral surface of the first circular wall 121, and the top plate 123 is disposed on the top of the first circular wall 121. The top is referred to as the upper side, and correspondingly, the bottom is referred to as the lower side, and the upper side and the lower side are consistent with the upper and lower directions in the drawings. A circular ring-shaped accommodating space is defined between the first circular ring wall 121, the top plate 123 and the water inlet end 110, and the first ceramic sealing element 300 is accommodated in the circular ring-shaped accommodating space. The first blocks 122 are arranged in the following manner, in one aspect, the first blocks 122 are equally spaced on the outer peripheral surface of the first circular wall 121, and the number of the first blocks 122 is preferably 3-5; if the number of the first latch 122 is too large, the manufacturing process is not facilitated, and if the number of the first latch 122 is too small, the stability and reliability of the connection are not satisfactory. In another aspect, the first latch 122 is a full ring. In the present invention, the first fixture block 122 and the first clamping portion 510 are partially overlapped in the axial direction of the water inlet end 110 or the water inlet pipe 200, so that when the first fixture block 122 and the first clamping portion 510 are clamped, the positioning in the axial direction of the water inlet end 110 or the water inlet pipe 200 can be realized. The first fixture block 122 is provided with a guiding inclined plane M, so that the first fixture block 122 is clamped with the first clamping portion 510, and when the connecting piece 500 is mounted to the spray arm 100, the first fixture block 122 is clamped with the first clamping portion 510 only by pressing the connecting piece 500 along the axial direction of the water inlet end 110 or the water inlet pipe 200 due to the guiding inclined plane M.

Specifically, as shown in fig. 3 to 5, the third engaging portion 520 is a plurality of screwing blocks formed on the outer ring of the connecting member 500, and the screwing blocks are distributed at intervals; the fourth clamping portion 220 includes a second circular wall 221, a screwing groove 222 disposed on an inner wall of the second circular wall 221 for screwing with the third clamping portion 520, and a bottom plate 223 for connecting the second circular wall 221 and the water inlet pipe 200, wherein the second circular wall 221 and the water outlet end 210 are coaxially disposed and surround the periphery of the water outlet end 210, the bottom plate 223 is disposed at the bottom of the second circular wall 221, and ribs are disposed on an inner wall of the second circular wall 221 and configured to surround the screwing groove 222. The screwing grooves 222 on the third clamping portion 520 and the fourth clamping portion 220 form screwing matching, and the novel screw-type connector has the advantages of being convenient to install and stable and reliable in connection. In the present invention, the bottom plate 223 and the annular receiving space together form a receiving cavity for receiving the first ceramic seal 300 and the second ceramic seal 400. The outer ring of the connector 500 is further provided with a handle portion for an operator to hold, so as to facilitate installation and removal.

In order to further improve the sealing performance between the shower arm 100 and the water inlet pipe 200, a first sealing ring 600 is disposed between the first ceramic sealing element 300 and the second clamping portion 120, and a second sealing ring 700 is disposed between the second ceramic sealing element 400 and the fourth clamping portion 220. Referring to fig. 3, 8 and 9, in order to avoid the position deviation of the first seal ring 600 and the second seal ring 700 during the rotation of the spray arm 100, a first groove 310 for accommodating the first seal ring 600 is disposed on the end surface of the first ceramic seal 300 close to the second clamping portion 120, and a second groove 410 for accommodating the second seal ring 700 is disposed on the end surface of the second ceramic seal 400 close to the fourth clamping portion 220. The end surface of the first ceramic sealing element 300 close to the second clamping portion 120 is the top end surface of the first ceramic sealing element 300, and the end surface of the second ceramic sealing element 400 close to the fourth clamping portion 220 is the bottom end surface of the second ceramic sealing element 400, so that the first sealing ring 600 is clamped between the top end surface of the first ceramic sealing element 300 and the top plate 123, and the second sealing ring 700 is clamped between the bottom end surface of the second ceramic sealing element 400 and the bottom plate 223.

Referring to fig. 6 and 10, there are various connection manners between the first ceramic sealing member 300 and the water inlet end 110, and in consideration of the convenience of connection and the stability and reliability of the connection, the first ceramic sealing member 300 is clamped on the outer circumferential surface of the water inlet end 110, wherein a convex edge is arranged on the inner ring of the first ceramic sealing member 300, and a second clamping block 112 clamped with the convex edge is arranged on the outer circumferential surface of the water inlet end 110. In order to enable the first ceramic sealing element 300 to rotate along with the spray arm 100, the outer circumferential surface of the water inlet end 110 is further provided with a limiting block 111, and a limiting groove 320 matched with the limiting block 111 is arranged on the convex edge of the inner ring of the first ceramic sealing element 300. When the spray arm 100 rotates, the first ceramic sealing element 300 can rotate together with the spray arm 100 under the action of the limiting block 111 and the limiting groove 320, so that the first ceramic sealing element 300 and the second ceramic sealing element 400 can rotate relatively, and the advantage of good sealing effect is achieved. The limiting block 111 and the limiting groove 320 also have the effects of installation and positioning, and have the advantages of simple structure, convenience in installation and stability and reliability in connection. Similarly, the second ceramic sealing element 400 is also disposed on the water inlet pipe 200 in a clamping manner, and specifically, the bottom plate 223 is provided with a buckle 2231 for clamping with the second ceramic sealing element 400, and the buckle 2231 is distributed along the edge of the water outlet end 210.

It is to be understood that the spray arm 100 connection structure of the present invention can be applied to various usage scenarios, which will be exemplified below.

The spray arm 100 coupling structure of the present invention can be applied to a cleaning apparatus. In one embodiment, the cleaning device is a dishwasher having a washing chamber for washing dishes, the washing chamber having a spray arm 100 attachment arrangement as previously described. According to the invention, the first ceramic sealing element 300 and the second ceramic sealing element 400 are respectively arranged at the water inlet end 110 of the spray arm 100 and the water outlet end 210 of the water inlet pipe 200, when the spray arm 100 works, the spray arm 100 drives the first ceramic sealing element 300 to rotate relative to the second ceramic sealing element 400, so that the advantage of good sealing effect is achieved, and the washing efficiency of the dishwasher is effectively improved.

It should be understood that the above specific application is only an example of the connection structure of the spray arm 100 in the present invention, and those skilled in the art can make an adaptive adjustment according to the actual situation, which is not described herein.

In summary, the first ceramic sealing element 300 and the second ceramic sealing element 400 are stacked at the joint of the spray arm 100 and the water inlet pipe 200, so that water can be effectively prevented from leaking from the joint of the spray arm 100 and the water inlet pipe 200, and the invention has the advantages of simple structure and good sealing effect; further, a first sealing ring 600 is arranged between the first ceramic sealing element 300 and the second clamping portion 120, and a second sealing ring 700 is arranged between the second ceramic sealing element 400 and the fourth clamping portion 220, so that the sealing performance between the spray arm 100 and the water inlet pipe 200 can be further improved; in the invention, the second clamping portion 120 and the fourth clamping portion 220 can be surrounded to form a containing cavity, and the first ceramic sealing element 300 and the second ceramic sealing element 400 are stacked in the containing cavity, so that the service lives of the first ceramic sealing element 300 and the second ceramic sealing element 400 can be effectively prolonged.

The above is only one embodiment of the present invention, and any other modifications based on the concept of the present invention are considered as the protection scope of the present invention.

Claims

1. The utility model provides a spray arm (100) connection structure, spray arm (100) and inlet tube (200) intercommunication, spray arm (100) are equipped with into water end (110), inlet tube (200) are equipped with out water end (210), its characterized in that still includes:

a first ceramic seal (300) provided at the water inlet end (110); and

a second ceramic seal (400) provided at the water outlet end (210);

the first ceramic seal (300) and the second ceramic seal (400) abut in an axial direction of the water inlet end (110) and the water outlet end (210).

2. The spray arm (100) connection according to claim 1,

the outer peripheral surface of the water inlet end (110) is provided with a connecting piece (500), and the spray arm (100) is connected with the water inlet pipe (200) through the connecting piece (500);

the connecting piece (500) and the spray arm (100) can rotate relatively.

3. The spray arm (100) connection according to claim 2,

the inner ring of the connecting piece (500) is provided with a first clamping part (510), and the outer peripheral surface of the water inlet end (110) is provided with a second clamping part (120) matched with the first clamping part (510);

the connecting piece (500) with the spray arm (100) passes through the first joint portion (510) with the cooperation of second joint portion (120) joint.

4. The spray arm (100) connection according to claim 3,

a third clamping part (520) is arranged on the outer peripheral surface of the connecting piece (500), and a fourth clamping part (220) matched with the third clamping part (520) is arranged at the end part, close to the spray arm (100), of the water inlet pipe (200);

the connecting piece (500) with the inlet tube passes through third joint portion (520) with fourth joint portion (220) joint cooperation.

5. The spray arm (100) connection according to claim 4,

the spray arm (100) passes through connecting piece (500) with inlet tube (200) are connected the back, second joint portion (120) with fourth joint portion (220) enclose to establish and form one and accept the chamber, first ceramic seal spare (300) with second ceramic seal spare (400) overlap and locate accept the intracavity.

6. The spray arm (100) connection according to claim 5,

first ceramic seal spare (300) with be equipped with first sealing washer (600) between second joint portion (120), second ceramic seal spare (400) with be equipped with second sealing washer (700) between fourth joint portion (220).

7. The spray arm (100) connection according to claim 6,

the end face, close to the second clamping portion (120), of the first ceramic sealing element (300) is provided with a first groove (310) used for containing the first sealing ring (600), and the end face, close to the fourth clamping portion (220), of the second ceramic sealing element (400) is provided with a second groove (410) used for containing the second sealing ring (700).

8. The spray arm (100) connection according to claim 1,

first ceramic seal spare (300) joint in the outer peripheral face of intaking end (110), the outer peripheral face of intaking end (110) still is equipped with stopper (111), the inner circle of first ceramic seal spare (300) be equipped with stopper (111) matched with spacing groove (320).

9. The spray arm (100) connection according to claim 1,

the first ceramic sealing element (300) and the second ceramic sealing element (400) are annularly arranged on the peripheries of the water inlet end (110) and the water outlet end (210) along the circumferential direction of the water inlet end (110) and the water inlet pipe (200).

10. A cleaning apparatus, comprising: the spray arm (100) connection of any of claims 1 to 9.