Connecting buckle, spraying arm and cleaning equipment

Abstract

The connecting buckle comprises a first part and a second part which are connected, the first part and the second part are respectively provided with a first end and a second end, the first end is provided with a male buckle, the second end is provided with a female buckle, the male buckle is provided with a first transverse limiting face, and the first transverse limiting face is provided with a second transverse limiting face. The female buckle is provided with a second transverse limiting surface; one of the first end and the second end is provided with a first convex part, the other one of the first end and the second end is provided with a first concave part, the first convex part is provided with a first longitudinal limiting surface, and the first concave part is provided with a second longitudinal limiting surface; the first transverse limiting face and the second transverse limiting face are provided with coincident parts in the second direction, and the first longitudinal limiting face and the second longitudinal limiting face are provided with coincident parts in the first direction. The utility model provides a connecting buckle, a spraying arm and cleaning equipment which can be limited in two vertical directions.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of kitchen equipment, especially to a connecting buckle, a spraying arm and a cleaning device. BACKGROUND

[0002] The spraying arm is an important component in the cleaning device such as a dishwasher and a fruit and vegetable cleaning machine, and the structure design and layout of the spraying arm directly affect the cleaning effect and efficiency of the cleaning device. Most of the existing spraying arms will spray water flow when working, and at the same time need to rotate inside the device, and how to connect the spraying arm and the water inlet pipe is a problem in the structure design. SUMMARY

[0003] In the first aspect, the utility model provides a connecting buckle can play the effect of limiting in two directions.

[0004] In order to achieve the above purpose, the utility model discloses a connecting buckle, including the first part and the second part of connection, the first part and the second part are rotationally symmetrical, the first part and the second part are connected and form the butt joint hole, the first part and the second part all are provided with first end and second end, the first end is provided with male buckle, the second end is provided with female buckle, the male buckle has at least partial first horizontal limiting surface extending along the first direction, the female buckle has at least partial second horizontal limiting surface extending along the first direction;

[0005] One of the first end and the second end is provided with the first protruding part, and the other is provided with the first recessed part, the first protruding part has at least partial first longitudinal limiting surface extending along the second direction perpendicular to the first direction, and the first recessed part has at least partial second longitudinal limiting surface extending along the second direction;

[0006] When the first part and the second part are connected, the first horizontal limiting surface of one of the first part and the second part and the second horizontal limiting surface of the other of the first part and the second part have coinciding parts in the second direction, and the first longitudinal limiting surface of one of the first part and the second part and the second longitudinal limiting surface of the other of the first part and the second part have coinciding parts in the first direction.

[0007] Optionally, the first part and the second part are provided with the second recessed part adjacent to the first protruding part and the second protruding part adjacent to the first recessed part, the second recessed part has third longitudinal limiting surface opposite to the first longitudinal limiting surface in the first direction, and the second protruding part has fourth longitudinal limiting surface opposite to the second longitudinal limiting surface in the first direction, and when the first part and the second part are connected, the third longitudinal limiting surface and the fourth longitudinal limiting surface have coinciding parts in the first direction.

[0008] Optionally, one or more of the first, second, third and fourth longitudinal limiting surfaces has a first inclined guiding surface at the position of the respective outermost end, the first inclined guiding surface being arranged at an angle with respect to the first direction and the second direction, and the first inclined guiding surface is used for guiding the first part and the second part when connected.

[0009] Optionally, the male buckle is arranged on the second longitudinal limiting surface or the fourth longitudinal limiting surface, and the female buckle is arranged on the first longitudinal limiting surface or the third longitudinal limiting surface.

[0010] Optionally, in a third direction perpendicular to the first direction and the second direction, the male buckle and the first protruding part are not on the same straight line parallel to the first direction.

[0011] Optionally, the male buckle is provided with a second inclined guiding surface on the side away from the first transverse limiting surface.

[0012] Optionally, the first part and the second part are provided with a plurality of protruding blocks along the circumferential direction of the inner side wall or the outer side wall of the connecting hole.

[0013] In a second aspect, the utility model provides a spray arm, can promote the connection stability after the installation of spray arm.

[0014] In order to realize the above-mentioned purpose, the utility model discloses a spray arm, including the connecting buckle of above-mentioned technical scheme record.

[0015] Optionally, the fixed arm and the rotating arm are included, one of the fixed arm and the rotating arm is rotationally connected with the connecting buckle, and the other is fixed relative to the connecting buckle in the rotating circumferential direction of the rotating arm, the first part and the second part are provided with a first connecting piece on the inner side wall or the outer side wall of the connecting hole, the fixed arm or the rotating arm is provided with a second connecting piece, one of the first connecting piece and the second connecting piece is a connecting buckle, and the other is a connecting groove fixed relative to the connecting buckle in the rotating circumferential direction of the rotating arm.

[0016] In a third aspect, the utility model provides a cleaning equipment, can promote the stability after the installation of spray arm.

[0017] In order to realize the above-mentioned purpose, the utility model discloses a cleaning equipment, including the spray arm of above-mentioned technical scheme record.

[0018] Compared with the prior art, the utility model has the beneficial effects that: the limiting effect of the first transverse limiting surface and the second transverse limiting surface in the second direction and the limiting effect of the first longitudinal limiting surface and the second longitudinal limiting surface in the first direction make the first part and the second part of the connecting buckle difficult to separate in two different directions after being connected, thereby improving the structural stability of the connecting buckle. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structure diagram of a connecting buckle disclosed by the utility model;

[0020] Figure 2 is a structure diagram of the first part or the second part of the connecting buckle disclosed by the utility model;

[0021] Figure 3 is a sectional view of the connecting buckle mainly used for showing the connection of the male buckle and the female buckle disclosed by the utility model;

[0022] Figure 4 is a top view of the connecting buckle disclosed by the utility model;

[0023] Figure 5 is a structure diagram of a spraying arm disclosed by the utility model;

[0024] Figure 6 is a local exploded structure diagram of the spraying arm disclosed by the utility model.

[0025] Mark 10, connecting buckle; 100, butt joint hole; 1, first part; 2, second part; 31, first end; 32, second end; 4, male buckle; 41, first transverse limiting surface; 52, second transverse limiting surface; 5, female buckle; 61, first protruding part; 610, first longitudinal limiting surface; 62, first recessed part; 620, second longitudinal limiting surface; 63, second recessed part; 630, third longitudinal limiting surface; 64, second protruding part; 640, fourth longitudinal limiting surface; 7, first inclined guide surface; 8, second inclined guide surface; 9, protruding block; 11, fixed arm; 12, rotating arm; 111, snap ring groove; 112, limiting sheet; 131, first transition groove; 132, second transition groove; 133, transition buckle; 14, butt joint ring; 141, butt joint buckle; 142, butt joint groove. DETAILED DESCRIPTION

[0026] The application will be further described in detail below with reference to the drawings.

[0027] The application embodiment discloses a connecting buckle 10, referring to Figure 1 and Figure 2 , comprising connected first part 1 and second part 2, the first part 1 and the second part 2 are rotationally symmetrical, and the first part 1 and the second part 2 are connected to form a butt joint hole 100 at the center. The first part 1 and the second part 2 are detachably connected, facilitating replacement and maintenance of corresponding components.

[0028] In other embodiments, a plurality of the first portion 1, the second portion 2, the first portion 1, and the second portion 2 are arranged in sequence along the circumference of the docking hole 100, and each portion is rotationally symmetrical and connected end to end.

[0029] In the embodiment, the first portion 1 and the second portion 2 are each provided with a first end 31 and a second end 32, the first end 31 is provided with a male buckle 4, and the second end 32 is provided with a female buckle 5. The first end 31 and the second end 32 are respectively two ends of the first portion 1 or the second portion 2 in the arc direction. In the embodiment, the male buckle 4 of the first portion 1 is a first male buckle, the female buckle 5 of the first portion 1 is a first female buckle, the male buckle 4 of the second portion 2 is a second male buckle, and the female buckle 5 of the second portion 2 is a second female buckle.

[0030] The first portion 1 and the second portion 2 are made of a material with a certain deformation ability, the male buckle 4 protrudes away from the center of the docking hole 100, and the female buckle 5 is a groove. When the first portion 1 and the second portion 2 are connected, the first male buckle 4 is at least partially gradually embedded in the second female buckle 5 under the action of deformation, and finally returns to the original state, and the second male buckle 4 is at least partially gradually embedded in the first female buckle 5 under the action of deformation, and finally returns to the original state.

[0031] Referring to Figure 2 and Figure 4 , the male buckle 4 has a first transverse limiting surface 41 extending at least partially in a first direction, and the female buckle 5 has a second transverse limiting surface 52 extending at least partially in the first direction. In the embodiment, the first direction is the direction of a diameter passing through the center of the docking hole 100 after the first end 31 and the second end 32 are connected, the second direction is perpendicular to the first direction and points to the first portion 1 and the second portion 2, and the third direction is perpendicular to the first direction and the second direction.

[0032] When the first portion 1 and the second portion 2 are connected, the first transverse limiting surface 41 of the first male buckle 4 and the second transverse limiting surface 52 of the second female buckle 5 have overlapping portions in the second direction, and the first transverse limiting surface 41 of the second male buckle 4 and the second transverse limiting surface 52 of the first female buckle 5 have overlapping portions in the second direction, so that the first portion 1 and the second portion 2 are difficult to separate in the second direction.

[0033] In other embodiments, the first transverse limiting surface 41 and the second transverse limiting surface 52 are not limited to a plane parallel to the first direction, but can be an inclined surface at a certain angle with the first direction, or a combination of inclined surfaces and planes, or a wave surface or a tooth surface, as long as the first transverse limiting surface 41 and the second transverse limiting surface 52 have a general trend of extending in the first direction or have at least partially parallel planes in the first direction.

[0034] Referring to Figure 2 and Figure 4In order to improve the stability of the connection between the first part 1 and the second part 2 in the first direction, one of the first end 31 and the second end 32 is provided with a first protrusion 61, and the other is provided with a first recess 62, the first protrusion 61 has a first longitudinal limiting surface 610 extending at least partially along the second direction, and the first recess 62 has a second longitudinal limiting surface 620 extending at least partially along the second direction.

[0035] In other embodiments, the first longitudinal limiting surface 610 and the second longitudinal limiting surface 620 are not limited to a plane parallel to the second direction, but can be an inclined surface at an angle to the second direction, a combination of inclined surface and plane, or a wave surface or tooth surface, as long as the first longitudinal limiting surface 610 and the second longitudinal limiting surface 620 have an overall trend of extending along the second direction or have a plane at least partially parallel to the second direction.

[0036] In this embodiment, the first protrusion 61 is provided on the second end 32, and the first recess 62 is provided on the first end 31.

[0037] When the first part 1 and the second part 2 are connected, the first longitudinal limiting surface 610 of the first protrusion 61 of the second part 2 and the second longitudinal limiting surface 620 of the first recess 62 of the first part 1 have a coinciding part in the first direction, and the first longitudinal limiting surface 610 of the first protrusion 61 of the first part 1 and the second longitudinal limiting surface 620 of the first recess 62 of the second part 2 have a coinciding part in the first direction, so that the first part 1 and the second part 2 are difficult to separate in the first direction.

[0038] The first part 1 and the second part 2 are both provided with a second recess 63 adjacent to the first protrusion 61 and a second protrusion 64 adjacent to the first recess 62, the second recess 63 has a third longitudinal limiting surface 630 opposite to the first longitudinal limiting surface 610 in the first direction, and the second protrusion 64 has a fourth longitudinal limiting surface 640 opposite to the second longitudinal limiting surface 620 in the first direction.

[0039] The third longitudinal limiting surface 630 is also a side wall of the first protrusion 61 away from the first longitudinal limiting surface 610, and a protruding plane extending in the first direction is formed between the third longitudinal limiting surface 630 and the first longitudinal limiting surface 610; the fourth longitudinal limiting surface 640 is also a side wall of the first recess 62 away from the second longitudinal limiting surface 620, and a recess bottom surface extending in the first direction is formed between the fourth longitudinal limiting surface 640 and the second longitudinal limiting surface 620.

[0040] When the first part 1 and the second part 2 are connected, the fourth longitudinal limiting surface 640 of the second protrusion 64 of the first part 1 and the third longitudinal limiting surface 630 of the second recess 63 of the second part 2 have coinciding parts in the first direction, and the fourth longitudinal limiting surface 640 of the second protrusion 64 of the second part 2 and the third longitudinal limiting surface 630 of the second recess 63 of the first part 1 have coinciding parts in the first direction, so that the first part 1 and the second part 2 are difficult to disengage in the first direction.

[0041] In order to guide the first part 1 and the second part 2 when connected, one or more of the first longitudinal limiting surface 610, the second longitudinal limiting surface 620, the third longitudinal limiting surface 630, and the fourth longitudinal limiting surface 640 have a first inclined guiding surface 7 arranged at an angle to the first direction and the second direction at the position of the outermost end. In this embodiment, the outermost end of the first protrusion 61 refers to the position farthest from the first end 31, and the outermost end of the first recess 62 refers to the position farthest from the second end 32.

[0042] In this embodiment, the third longitudinal limiting surface 630 and the fourth longitudinal limiting surface 640 are inclined as a whole to form a first inclined guiding surface 7 respectively, and the vertical normal of the surface of the first inclined guiding surface 7 points to the outside of the body part. The distance of the opening of the first recess 62 along the first direction gradually increases from inside to outside, and the thickness of the first protrusion 61 along the first direction gradually decreases outwardly.

[0043] In other embodiments, the first inclined guiding surface 7 can only be a chamfer of the corner of the first protrusion 61 or the corner of the second protrusion 64.

[0044] Referring to Figure 2 In this embodiment, the male buckle 4 is arranged on the second longitudinal limiting surface 620, and the second longitudinal limiting surface 620 is formed on the side wall of one plate of the first end 31, and the female buckle 5 is arranged on the first longitudinal limiting surface 610.

[0045] In other embodiments, the male buckle 4 can be arranged on the fourth longitudinal limiting surface 640, and the female buckle 5 is arranged on the third longitudinal limiting surface 630; the male buckle 4 is arranged on the first longitudinal limiting surface 610, and the female buckle 5 is arranged on the second longitudinal limiting surface 620; the male buckle 4 is arranged on the third longitudinal limiting surface 630, and the female buckle 5 is arranged on the fourth longitudinal limiting surface 640.

[0046] In this embodiment, in the third direction, the male buckle 4 and the first protrusion 61 are not on the same straight line parallel to the first direction, and the straight line parallel to the first direction passing through the male buckle 4 and the straight line parallel to the first direction passing through the first protrusion 61 are not collinear.

[0047] In order to better connect the first part 1 and the second part 2, the male buckle 4 is provided with a second inclined guide surface 8 on the side away from the first transverse limiting surface 41.

[0048] In order to better connect the first part 1 and the second part 2, the first part 1 and the second part 2 are provided with a plurality of protruding blocks 9 along the circumferential direction of the inner side wall or the outer side wall of the butt joint hole 100.

[0049] Referring to Figure 5 and Figure 6 , the embodiment also discloses a spray arm comprising the connecting buckle 10 described in the above embodiment.

[0050] The spray arm further comprises a fixed arm 11 and a rotating arm 12, one of the fixed arm 11 and the rotating arm 12 is rotationally connected with the connecting buckle 10, and the other is fixed relative to the connecting buckle 10 in the rotation circumferential direction of the rotating arm 12.

[0051] Referring to Figure 1 and Figure 6 , the connecting buckle 10 is provided with a first butt joint piece on the inner side wall or the outer side wall of the butt joint hole 100, the fixed arm 11 or the rotating arm 12 is provided with a second butt joint piece, one of the first butt joint piece and the second butt joint piece is a butt joint buckle 141, and the other is a butt joint groove 142 fixed relative to the butt joint buckle 141 in the rotation circumferential direction of the rotating arm 12.

[0052] In the embodiment, the fixed arm 11 is provided with a snap ring groove 111, both ends of the snap ring groove 111 are limiting pieces 112 with a diameter larger than that of the snap ring groove 111, the connecting buckle 10 is located in the snap ring groove 111, and the hole diameter of the butt joint hole 100 is slightly larger than the outer diameter of the snap ring groove 111. The connecting buckle 10 can rotate in the snap ring groove 111.

[0053] The outer diameter of the connecting buckle 10 is larger than that of the bottom limiting piece 112, the outer side wall of the connecting buckle 10 is provided with a first transition groove 131 extending along the axial direction of the butt joint hole 100 first, and a second transition groove 132 extending along the circumferential direction of the butt joint hole 100, the first transition groove 131 and the second transition groove 132 are communicated, and the first transition groove 131 is provided with an entrance on the end face of the connecting buckle 10 away from the fixed arm 11.

[0054] The rotating arm 12 is provided with a butt joint ring 14, the inner side wall of the butt joint ring 14 is provided with a transition buckle 133, the entrance of the connecting buckle 10 is aligned with the transition buckle 133, the connecting buckle 10 and the butt joint ring 14 are made close along the axial direction of the butt joint hole 100, the transition buckle 133 enters the first transition groove 131 from the entrance, and when the transition buckle 133 moves to the corner of the first transition groove 131 and the second transition groove 132, the connecting buckle 10 is rotated along the circumferential direction, so that the transition buckle 133 enters the second transition groove 132.

[0055] The connecting buckle 10 is provided with a recessed abutting groove 142 on the outer side wall, the abutting groove 142 extends axially along the abutting hole 100, the abutting buckle 141 is integrally formed on the inner side wall of the abutting ring 14, when the transition buckle 133 moves to the bottom of the second transition groove 132, the abutting buckle 141 is embedded into the abutting groove 142, so that the connecting buckle 10 and the abutting ring 14 are relatively fixed along the circumference of the abutting hole 100.

[0056] The transition buckle 133, the first transition groove 131, the second transition groove 132, the abutting buckle 141 and the abutting groove 142 constitute a group, two or more groups can be arranged along the circumference of the abutting hole 100.

[0057] In the embodiment, the fixed arm 11 has two clasp ring grooves 111, each clasp ring groove 111 is connected with one rotating arm 12 through one connecting buckle 10.

[0058] In other embodiments, the abutting buckle 141 is a part protruding from the transition buckle 133.

[0059] The embodiment of the application also discloses a cleaning device comprising the spray arm described in the above embodiment, the cleaning device can be a dishwasher, a fruit and vegetable cleaning machine, etc.

[0060] The above are the preferred embodiments of the application, which do not limit the protection scope of the application, therefore: all equivalent changes made according to the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A connecting buckle, comprising a first part (1) and a second part (2) for connection, characterized in that, The first part (1) and the second part (2) are rotationally symmetrical. After the first part (1) and the second part (2) are connected, a mating hole (100) is formed. The first part (1) and the second part (2) are each provided with a first end (31) and a second end (32). The first end (31) is provided with a male buckle (4), and the second end (32) is provided with a female buckle (5). The male buckle (4) has a first lateral limiting surface (41) that extends at least partially along the first direction, and the female buckle (5) has a second lateral limiting surface (52) that extends at least partially along the first direction. One of the first end (31) and the second end (32) is provided with a first protrusion (61) and the other is provided with a first recess (62). The first protrusion (61) has a first longitudinal limiting surface (610) extending at least partially along a second direction perpendicular to the first direction, and the first recess (62) has a second longitudinal limiting surface (620) extending at least partially along the second direction. After the first part (1) and the second part (2) are connected, the first lateral limiting surface (41) of one of the first part (1) and the second lateral limiting surface (52) of the other of the first part (1) and the second part (2) have overlapping portions in the second direction, and the first longitudinal limiting surface (610) of one of the first part (1) and the second longitudinal limiting surface (620) of the other of the first part (1) and the second part (2) have overlapping portions in the first direction.

2. A connecting buckle according to claim 1, characterized in that, The first part (1) and the second part (2) are each provided with a second recess (63) adjacent to the first protrusion (61) and a second protrusion (64) adjacent to the first recess (62). The second recess (63) has a third longitudinal limiting surface (630) opposite to the first longitudinal limiting surface (610) in the first direction. The second protrusion (64) has a fourth longitudinal limiting surface (640) opposite to the second longitudinal limiting surface (620) in the first direction. When the first part (1) and the second part (2) are connected, the third longitudinal limiting surface (630) and the fourth longitudinal limiting surface (640) have overlapping portions in the first direction.

3. A connecting buckle according to claim 2, characterized in that, One or more of the first longitudinal limiting surface (610), the second longitudinal limiting surface (620), the third longitudinal limiting surface (630), and the fourth longitudinal limiting surface (640) have a first inclined guide surface (7) at the outermost position of each of them, which is set at an angle to both the first direction and the second direction. The first inclined guide surface (7) is used to guide the first part (1) and the second part (2) when they are connected.

4. A connecting buckle according to claim 2, characterized in that, The male buckle (4) is disposed on the second longitudinal limiting surface (620) or the fourth longitudinal limiting surface (640), and the female buckle (5) is disposed on the first longitudinal limiting surface (610) or the third longitudinal limiting surface (630).

5. A connecting buckle according to claim 1, characterized in that, In a third direction that is perpendicular to both the first and second directions, the male buckle (4) and the first protrusion (61) are not on the same straight line parallel to the first direction.

6. A connecting buckle according to any one of claims 1-5, characterized in that, The male buckle (4) is provided with a second inclined guide surface (8) on the side opposite to the first lateral limiting surface (41).

7. A connecting buckle according to claim 1, characterized in that, The first part (1) and the second part (2) are provided with a plurality of protrusions (9) along the circumference of the inner or outer sidewall of the mating hole (100).

8. A spray arm, characterized in that, The connector buckle includes any one of claims 1-7.

9. A spray arm according to claim 8, characterized in that, It includes a fixed arm (11) and a rotating arm (12). One of the fixed arm (11) and the rotating arm (12) is rotatably connected to the connecting buckle (10), and the other is fixed relative to the connecting buckle (10) in the circumferential direction of the rotation of the rotating arm (12). The first part (1) and the second part (2) are provided with a first docking member on the inner or outer side wall of the docking hole (100). The fixed arm (11) or the rotating arm is provided with a second docking member. One of the first docking member and the second docking member is a docking buckle (141), and the other is a docking groove (142) that is fixed relative to the docking buckle (141) in the circumferential direction of the rotation of the rotating arm (12).

10. A cleaning device, characterized in that, Includes a spray arm as described in claim 8 or 9 above.

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