CN218852651U

CN218852651U - Spray arm connecting structure and dish washing machine

Info

Publication number: CN218852651U
Application number: CN202222267497.6U
Authority: CN
Inventors: 陈立新; 陈甲
Original assignee: Ningbo Ruipai Kitchenware Co ltd
Current assignee: Ningbo Ruipai Kitchenware Co ltd
Priority date: 2022-07-22
Filing date: 2022-08-25
Publication date: 2023-04-14
Anticipated expiration: 2032-08-25

Abstract

The utility model relates to the technical field of kitchen utensils, in particular to a spray arm connecting structure and a dish washing machine, which solve the problem that the connection between a spray arm and an inner water pipe is unreliable in the prior art, and the dish washing machine with an opening and closing door device comprises the spray arm and the inner water pipe, wherein the spray arm is provided with a first connector, one end of the inner water pipe is provided with a second connector, after the spray arm is connected with the inner water pipe, at least part of the second connector is positioned in the first connector, the inner water pipe is provided with a positioning bulge, and the positioning bulge is close to the second connector; first connector outside is provided with first installation cover, first installation cover is used for being connected with the second connector, the reason is provided with the constant head tank on first installation cover, the constant head tank with the protruding cooperation in location is connected.

Description

Spray arm connecting structure and dish washing machine

Technical Field

The disclosure relates to the technical field of kitchen utensils, in particular to a spray arm connecting structure and a dish washing machine.

Background

The dish washer is the equipment of tableware such as automatic clear dish, chopsticks, dish, sword, fork, along with the development of economy and the progress of society, the dish washer moves towards intellectuality gradually, washs the tableware and can save personal time with the dish washer, and the soil-release capability of dish washer is stronger, can thoroughly eliminate the bacterium on tableware surface, can satisfy the demand of multinomial functions such as washing, stoving and disinfecting, provides very big facility for people's daily life.

The spray arm is an important component of the dish washing machine, and the household dish washing machine on the market at present is provided with an upper spray arm and a lower spray arm in an inner container of the common dish washing machine. Wherein, spray the arm down and be located the bottom of bowl basket, go up the spray arm and hang in the top of bowl basket, go up spray arm and spray the arm down and pass through the pipeline and communicate with the internal circulation water route of dish washer to rotatory spun water liquid under the promotion of rivers, spray the washing with the tableware that loads on the bowl basket.

The spray arm among the prior art is connected through the nut with the connected mode of interior water pipe mostly, and this kind of connected mode is connected comparatively closely, but brings very big inconvenience for installation, dismantlement and maintenance, and spray arm and some modes through the buckle of interior water pipe on the present market are connected, make installation and maintenance become convenient, but this kind of connected mode is reliable and stable inadequately, takes place to become flexible at spray arm pivoted in-process very easily, and then influences the cleaning performance.

SUMMERY OF THE UTILITY MODEL

Aiming at the problem that the connection between the spray arm and the inner water pipe in the prior art is unreliable, the spray arm connecting structure and the dish-washing machine which are simple in structure and reliable in work are provided in the disclosure.

The technical scheme adopted by the disclosure for solving the technical problems is as follows: the utility model provides a spray arm connection structure, includes spray arm and interior water pipe, the spray arm is provided with first connector, the one end of interior water pipe is provided with the second connector, after spray arm and interior water pipe connection, the second connector at least part is located first connector, interior water pipe is provided with the location arch, the location arch is close to the second connector.

Furthermore, first connector outside is provided with first installation cover, first installation cover is used for being connected with the second connector, it is provided with the constant head tank to go up reason in the first installation cover, the constant head tank with the protruding cooperation of location is connected.

Furthermore, the number of the positioning protrusions is two, and the number of the positioning grooves is two.

Furthermore, the positioning bulge is provided with a first step surface, and the positioning groove is internally provided with a first limiting mechanism so that the inner water pipe is fastened with the first mounting sleeve.

Furthermore, one of the positioning protrusion and the positioning groove is provided with a first indent, and the other one is provided with a first protrusion corresponding to the first indent.

Furthermore, first installation cover with be provided with the second installation cover between the first connecting head, the internal perisporium of first installation cover is provided with first spacing portion, second installation cover periphery wall is provided with annular second arch, first spacing portion be used for right the second arch is protruding to be locked and spacing.

Further, second installation cover inner wall is provided with joint portion, first connector periphery wall is provided with the third arch, joint portion and the protruding cooperation of third are connected to make second installation cover and spray arm connect.

Furthermore, a plurality of hollow parts are formed in the lower portion of the second installation sleeve, the number of the clamping parts is at least two, and the second installation sleeve is easy to deform and better connected when being connected with the first connector due to the arrangement of the hollow parts.

Furthermore, second installation cover upper end is provided with the second step face, the last reason of first connector and second step face parallel and level mutually, the last reason of first connector and second step face are provided with the sealing washer.

A dishwasher comprises the spray arm connecting structure.

Compared with the existing products, the beneficial effects of the present disclosure are: the first step surface is buckled with the first limiting mechanism, and meanwhile, the first bulge is embedded into the first inner recess, and the connection arrangement is equivalent to double limiting, so that the connection between the inner water pipe and the first mounting sleeve is more stable and reliable; the upper edge and the lower edge of the third protrusion are rounded arc-shaped structures, the lower portion of the second installation sleeve is provided with a plurality of hollow portions, the arc-shaped structures enable the second installation sleeve to be more convenient to install and detach, the second installation sleeve is made to have a larger deformation range through the arrangement of the hollow portions, and the second installation sleeve cannot be broken during installation and detachment.

Drawings

The present application will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the present application. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on the concept of a composition or construction of the object being described and may include exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is an exploded view of a spray arm attachment structure of the present disclosure;

FIG. 2 is a schematic view of the construction of the water hose of the present disclosure;

FIG. 3 is an enlarged view of a portion of the disclosure at A in FIG. 2;

FIG. 4 is one of the schematic structural illustrations of the first mounting sleeve of the present disclosure;

FIG. 5 is an enlarged view of a portion of the disclosure at B in FIG. 4;

FIG. 6 is a second schematic structural view of the first mounting sleeve of the present disclosure;

FIG. 7 is one of the structural schematic diagrams of a second mounting sleeve of the present disclosure;

fig. 8 is a cross-sectional view of a spray arm attachment structure of the present disclosure.

Description of the reference numerals:

1. a first connection head; 2. a second connector; 3. a first mounting sleeve; 4. a second mounting sleeve; 10. a spray arm; 11. a third protrusion; 20. an inner water pipe; 21. a wing plate; 22. positioning the projection; 23. a first inner recess; 31. positioning a groove; 32. a first limit mechanism; 33. a first protrusion; 34. a first limiting part; 41. a second protrusion; 42. a hollow-out section; 43. a clamping part.

Detailed Description

In order to make the technical solutions of the present disclosure better understood by those skilled in the art, the present disclosure will be described in detail, clearly and completely with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

It will be understood by those skilled in the art that in the disclosure of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships that are based on those shown in the drawings, which are merely for convenience in describing the present invention and to simplify the description, and 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 the terms described above should not be considered limiting to the present invention.

An embodiment of the present disclosure discloses a spray arm connection structure, which is shown in fig. 1 to 8.

The utility model provides a spray arm connection structure, includes spray arm 10 and interior water pipe 20, spray arm 10 is provided with first connector 1, and the one end of interior water pipe 20 is provided with second connector 2, and second connector 2 is provided with pterygoid lamina 21, is provided with location arch 22 on the pterygoid lamina 21, and after spray arm 10 and interior water pipe 20 were connected, 2 at least parts of second connector were located first connector 1, the internal diameter and the 2 phase-matchs of second connector 1.

It is worth to be noted that, a first mounting sleeve 3 is disposed outside the first connector 1, the first mounting sleeve 3 is used for being connected with the second connector 2, a positioning groove 31 is disposed on the upper edge of the first mounting sleeve 3, the positioning groove 31 is connected with a positioning protrusion 22 in a matching manner, the positioning protrusion 22 is provided with a first step surface, a first limiting mechanism 32 is disposed in the positioning groove 31, so that the inner water pipe 20 is fastened to the first mounting sleeve 3, the positioning protrusion 22 is provided with a first indent 23, and the positioning groove 31 is provided with a first protrusion 33 corresponding to the first indent 23. Specifically, when the second connector 2 is connected with the first mounting sleeve 3, the positioning protrusion 22 enters the positioning groove 31, the first mounting sleeve 3 is rotated along the direction of the first limiting mechanism 32, so that the first step surface and the first limiting mechanism 32 are buckled, and meanwhile, the first protrusion 33 is embedded into the first inner recess 23, so that the connection setting is equivalent to double limiting, and the connection between the inner water pipe 20 and the first mounting sleeve 3 is more stable and reliable.

It should be noted that, be provided with second installation cover 4 between first installation cover 3 and the first connector 1, the internal perisporium of first installation cover 3 is provided with first spacing portion 34, first spacing portion 34 is the closed annular arch that sets up along the 3 internal diameters of first installation cover, the 4 periphery walls of second installation cover are provided with annular second arch 41, first installation cover 3 and the second installation cover 4 connection back, the laminating of the upper edge of first spacing portion 34 and the lower edge of second arch 41, it can be appreciated that first spacing portion 34 is used for the locking and spacing of second installation cover 4 for connect more reliably.

The lower part of 4 inner walls of second installation cover is provided with joint portion 43, and 1 periphery wall of first connector is provided with third arch 11, and is concrete, and third arch 11 is protruding for the closed annular that sets up along 1 external diameter of first connector, and during the connection, joint portion 43 is under, and third arch 11 is last, and joint portion 43 and the protruding 11 cooperation of third are connected to make second installation cover 4 and spray arm 10 be connected.

In some embodiments, the upper and lower edges of the third protrusion 11 are rounded arc structures, a plurality of hollowed-out portions 42 are arranged on the lower portion of the second installation sleeve 4, the lower end of the second installation sleeve 4 is easier to deform due to the arrangement of the hollowed-out portions 42, the second installation sleeve 4 is pressed, the clamping portions 43 and the third protrusion 11 are buckled, the upper and lower edges of the third protrusion 11 are arranged into rounded arc structures, so that the second installation sleeve 4 can be mounted and dismounted more conveniently, the hollowed-out portions 42 are arranged on the lower portion of the second installation sleeve 4, so that the second installation sleeve 4 has a larger deformation range, and the second installation sleeve cannot be broken during mounting. Preferably, the number of the clamping portions 43 is three, so that the connection between the second mounting sleeve 4 and the first connecting head 1 is more stable and reliable.

The upper end of the second mounting sleeve 4 is provided with a second step surface, the upper edge of the first connecting head 1 is flush with the second step surface, and the upper edge of the first connecting head 1 and the second step surface are provided with sealing rings, so that water leakage and water seepage of the spray arm during operation are avoided, and the spray arm 10 is stable and reliable in operation.

In the above-mentioned spray arm 10 connection structure, the part of the second connector 2 is disposed in the first connector 1, the second connector 2 is fastened to the first mounting sleeve 3, the first mounting sleeve 3 axially limits the second mounting sleeve 4, the second mounting sleeve 4 axially limits the first connector 1 and is fastened to the first connector 1, and the lower ends of the first mounting sleeve 3 and the second mounting sleeve 4 and the spray arm shell are attached to each other. Spray arm 10 is when rotatory, and first connector 1 and second installation cover 4 rotate, and first installation cover 3 and second connector 2 are motionless, and such setting can guarantee stable, the high-efficient work of spray arm 10, and the connection structure between the part is simple, reliable, installation, dismantlement and the maintenance that can be convenient.

Another embodiment of the present disclosure discloses a dishwasher including the spray arm connection structure in the above embodiments.

The present application has been described in detail above, and specific examples thereof are used herein to explain the principles and implementations of the present application, which are presented solely to aid in understanding the present application and its core concepts. It should be noted that, for those skilled in the art, without departing from the principle of the present application, the present application can also make several improvements and modifications, and those improvements and modifications also fall into the protection scope of the claims of the present application.

Claims

1. The utility model provides a spray arm connection structure, its characterized in that, includes spray arm (10) and interior water pipe (20), spray arm (10) are provided with first connector (1), the one end of interior water pipe (20) is provided with second connector (2), spray arm (10) and interior water pipe (20) connection back, second connector (2) at least part is located first connector (1), interior water pipe (20) are provided with location arch (22), location arch (22) are close to second connector (2).

2. The spray arm connecting structure according to claim 1, wherein a first mounting sleeve (3) is arranged outside the first connecting head (1), the first mounting sleeve (3) is used for connecting with the second connecting head (2), a positioning groove (31) is arranged on the upper edge of the first mounting sleeve (3), and the positioning groove (31) is in fit connection with the positioning protrusion (22).

3. The spray arm connecting structure according to claim 2, wherein the positioning protrusion (22) is provided with a first step surface, and the positioning groove (31) is provided with a first limiting mechanism (32) therein, so that the inner water pipe (20) is fastened to the first mounting sleeve (3).

4. A spray arm connecting structure according to claim 3, wherein one of said positioning boss (22) and said positioning groove (31) is provided with a first recess (23), and the other is provided with a first boss (33) corresponding to said first recess (23).

5. The spray arm connecting structure according to claim 3, wherein there are two positioning protrusions (22) and two positioning grooves (31).

6. The spray arm connecting structure according to claim 3, wherein a second mounting sleeve (4) is arranged between the first mounting sleeve (3) and the first connecting head (1), a first limiting portion (34) is arranged on the inner peripheral wall of the first mounting sleeve (3), an annular second protrusion (41) is arranged on the outer peripheral wall of the second mounting sleeve (4), and the first limiting portion (34) is used for locking and limiting the second protrusion (41).

7. The spray arm connecting structure according to claim 6, wherein the inner wall of the second mounting sleeve (4) is provided with a clamping portion (43), the outer peripheral wall of the first connecting head (1) is provided with a third protrusion (11), and the clamping portion (43) is connected with the third protrusion (11) in a matching manner, so that the second mounting sleeve (4) is connected with the spray arm (10).

8. The spray arm connecting structure according to claim 7, wherein a plurality of hollowed-out portions (42) are formed at the lower portion of the second mounting sleeve (4), and at least two clamping portions (43) are provided.

9. The spray arm connecting structure according to claim 8, wherein the second mounting sleeve (4) is provided at an upper end thereof with a second stepped surface, the upper edge of the first connecting head (1) is flush with the second stepped surface, and the upper edge of the first connecting head (1) and the second stepped surface are provided with sealing rings.

10. A dishwasher, comprising the spray arm attachment of any one of claims 1 to 8.