Roller assembly and bowl basket

Abstract

A roller assembly and a bowl basket, the roller assembly comprises a roller, a connecting piece and a bearing, the bearing is installed in the roller and sleeved on the connecting piece, the roller is rotatably connected with the connecting piece through the bearing; the bearing comprises an inner ring and an outer ring, the outer ring is tightly matched with the roller, and the inner ring is tightly matched with the connecting piece; a mounting groove is provided on the roller, the bearing is installed in the mounting groove, and the outer ring of the bearing is tightly matched with the side wall of the mounting groove; a connecting shaft is provided at one end of the connecting piece, the inner ring of the bearing is provided with an inner hole, the bearing is sleeved on the connecting shaft through the inner hole, and the connecting shaft is tightly matched with the hole wall of the inner hole. The utility model reduces the friction force when the roller rolls by arranging a bearing between the roller and the connecting piece, and the bearing is tightly matched with the roller and the connecting piece respectively, so that the pushing and pulling of the bowl basket is smoother and the hand feeling of pulling out the bowl basket is improved; in addition, since the bearing is a complete standard part, it has a longer service life, and the installation of the bearing is simpler than the installation of multiple balls, so the assembly efficiency of the pulley can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dishwashers, in particular to a roller assembly and a bowl basket. Background Art

[0002] Chinese patent document number CN219147503U disclosed a ball pulley structure and a dishwasher thereof on June 9, 2023. The ball pulley structure includes: a fixed seat, having a mounting portion and a sleeve portion fixedly connected to each other; a sleeve rotatably sleeved on the outer periphery of the sleeve portion; a pulley rotatably sleeved on the outer periphery of the sleeve, with a gap between the pulley and the sleeve; and a ball movably arranged between the sleeve and the pulley, and the ball contacts the sleeve and the pulley respectively. This ball pulley reduces the friction of movement by arranging balls between the sleeve and the pulley, but the installation of the balls is troublesome, resulting in low pulley assembly efficiency, and the balls are easy to fall off the pulley when the pulley moves under load, and the service life of the ball structure is also short.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The purpose of the utility model is to provide a roller assembly and a bowl basket with simple structure, convenient installation, reliable use, long service life and strong practicality, so as to overcome the shortcomings of the prior art.

[0005] A roller assembly designed for this purpose includes a roller and a connecting piece, and is characterized in that it also includes a bearing, which is installed in the roller and sleeved on the connecting piece, and the roller is rotatably connected to the connecting piece through the bearing.

[0006] The bearing comprises an inner ring and an outer ring, the outer ring is tightly matched with the roller, and the inner ring is tightly matched with the connecting piece.

[0007] The roller is provided with a mounting groove, the bearing is mounted in the mounting groove, and the outer ring of the bearing is tightly matched with the side wall of the mounting groove.

[0008] A connecting shaft is arranged at one end of the connecting piece, an inner ring of the bearing is arranged with an inner hole, the bearing is sleeved on the connecting shaft through the inner hole, and the connecting shaft is tightly matched with the hole wall of the inner hole.

[0009] A plurality of positioning ribs are distributed in an annular manner on the connecting piece, and the bearing is positioned between the bottom wall of the mounting groove and the positioning ribs.

[0010] A through hole is provided on the mounting groove, and the roller is sleeved on the connecting shaft through the through hole; a positioning fastener is sleeved on the connecting shaft, and a positioning part is formed on the periphery of the through hole of the roller, and the positioning part is positioned between the positioning fastener and the bearing.

[0011] A clamping groove is arranged on the connecting shaft, and a clamping edge is arranged on the inner side of the positioning fastener, and the clamping edge is clamped into the clamping groove.

[0012] The other end of the connecting piece is provided with a buckle for fixing the roller assembly.

[0013] A bowl basket designed for this purpose comprises a bowl basket body, a buckle rod is arranged on the side of the bowl basket body, and is characterized in that it also comprises the roller assembly, the buckle and the buckle rod are buckled with each other to fix the roller assembly on the bowl basket body.

[0014] A socket is arranged on the connecting shaft, an inserting portion is arranged at one end of the buckle rod, and the inserting portion is inserted into the socket.

[0015] The utility model arranges a bearing between the roller and the connecting piece, and the roller is rotatably connected to the connecting piece through the bearing. The bearing is tightly matched with the roller and the connecting piece respectively, so that the friction force when the roller rolls can be reduced, so that the push and pull of the bowl basket is smoother, and the hand feeling of pulling out the bowl basket is improved; in addition, since the bearing is a complete standard part, it has a longer service life, and the installation of the bearing is simpler than the installation of multiple balls, so the assembly efficiency of the pulley can be improved. In addition, the bearing has a strong load capacity and will not fall off the pulley when the pulley moves under load, which can avoid the problem of the balls easily falling out when the pulley moves under load. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the roller assembly in the first application example of an embodiment of the utility model.

[0017] Figure 2 It is a schematic diagram of the overall structure of the roller assembly in another aspect in the first application example of an embodiment of the utility model.

[0018] Figure 3 It is a schematic diagram of the exploded structure of the roller assembly in the first application example of an embodiment of the utility model.

[0019] Figure 4 It is a cross-sectional view of a roller assembly in a first application example of an embodiment of the utility model.

[0020] Figure 5 It is a schematic diagram of the overall structure of the roller assembly in the second application example of an embodiment of the utility model.

[0021] Figure 6 It is a schematic diagram of the exploded structure of the roller assembly in the second application example of an embodiment of the utility model.

[0022] Figure 7 The figure is a schematic diagram of the exploded structure of the lower bowl basket in one embodiment of the utility model.

[0023] Figure 8 for Figure 7Schematic diagram of the enlarged structure at point A in the middle.

[0024] Fig. 9 It is a schematic diagram of the overall structure of the lower bowl basket in one embodiment of the utility model.

[0025] Fig.10 for Fig. 9 Schematic diagram of the enlarged structure at point B in the middle. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] See also Figure 1-Figure 10 The roller assembly includes a roller 1, a connecting member 2 and a bearing 3. The bearing 3 is installed in the roller 1 and sleeved on the connecting member 2. The roller 1 is rotatably connected to the connecting member 2 through the bearing 3.

[0028] The bearing 3 comprises an inner ring and an outer ring, the outer ring is tightly fitted with the roller 1 , and the inner ring is tightly fitted with the connecting piece 2 .

[0029] The roller 1 is provided with a mounting groove 4 , and the bearing 3 is mounted in the mounting groove 4 , and the outer ring of the bearing 3 is tightly fitted with the side wall 18 of the mounting groove 4 .

[0030] A connecting shaft 5 is provided at one end of the connecting member 2 , an inner ring of the bearing 3 is provided with an inner hole 6 , the bearing 3 is sleeved on the connecting shaft 5 through the inner hole 6 , and the connecting shaft 5 is tightly matched with the hole wall of the inner hole 6 .

[0031] The connector 2 is provided with a plurality of positioning ribs 7 in an annular shape. The bearing 3 is positioned between the bottom wall 8 of the mounting groove 4 and the positioning ribs 7 to prevent the bearing 3 from slipping out of the mounting groove 4. In addition, the positioning ribs 7 can also improve the strength of the connector 2.

[0032] The mounting groove 4 is provided with a through hole 9 , and the roller 1 is sleeved on the connecting shaft 5 through the through hole 9 .

[0033] A positioning fastener 10 is sleeved on one end of the connecting shaft 5, and a positioning portion 11 is formed around the through hole 9 of the roller 1. The positioning portion 11 is positioned between the positioning fastener 10 and the bearing 3 to prevent the roller 1 from falling off the connecting member 2 when rolling.

[0034] A clamping groove 12 is provided at one end of the connecting shaft 5, and a clamping edge 13 is provided on the inner side of the positioning fastener 10. The clamping edge 13 is clamped into the clamping groove 12 to fix the positioning fastener 10 on the connecting shaft 5. The positioning fastener 10 is a clamping spring.

[0035] The other end of the connecting member 2 is provided with a buckle 14 for fixing the roller assembly a.

[0036] The bowl basket is installed on the inner tank of the dishwasher, and includes a bowl basket body 15, a buckle rod 16 is arranged on the side of the bowl basket body 15, and also includes the roller assembly a, the buckle 14 and the buckle rod 16 are buckled with each other, so that the roller assembly a is fixed on the bowl basket body 15; the roller assembly a can become a universal part by designing a special buckle, thereby reducing the manufacturing cost and storage cost.

[0037] The buckle 14 is provided with a buckling portion 20 , a notch 21 is provided on one side of the buckling portion 20 , the buckle rod 16 is buckled into the buckling portion 20 through the notch 21 , and anti-slip portions 22 are provided on both sides of the notch 21 to prevent the buckle rod 16 from slipping out of the buckling portion 20 .

[0038] The connecting shaft 5 is provided with an insertion hole 19 , and one end of the buckle rod 16 is provided with an insertion portion 17 . The insertion portion 17 is inserted into the insertion hole 19 to support the bowl basket body 15 .

[0039] The bowl basket is an upper bowl basket or a lower bowl basket. Figure 1-Figure 4 The roller assembly a is used to be installed at the bottom of the lower basket, and the roller assembly a directly supports the basket body 15. Figure 7 , Fig. 9 The bowl basket is the lower bowl basket; Figure 5-Figure 6 The roller assembly a is installed on the side of the upper bowl basket. The specific structure can be found in patent CN219147503U.

[0040] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A roller assembly, comprising a roller (1) and a connecting member (2), characterized in that: It also includes a bearing (3), which is installed in the roller (1) and sleeved on the connecting member (2), and the roller (1) is rotatably connected to the connecting member (2) via the bearing (3); A connecting shaft (5) is provided at one end of the connecting member (2); an inner ring of the bearing (3) is provided with an inner hole (6); the bearing (3) is sleeved on the connecting shaft (5) through the inner hole (6); and the connecting shaft (5) is tightly fitted with the hole wall of the inner hole (6).

2. The roller assembly according to claim 1, characterized in that: The bearing (3) comprises an inner ring and an outer ring, the outer ring is tightly fitted with the roller (1), and the inner ring is tightly fitted with the connecting piece (2).

3. The roller assembly according to claim 2, characterized in that: The roller (1) is provided with a mounting groove (4), the bearing (3) is mounted in the mounting groove (4), and the outer ring of the bearing (3) is tightly fitted with the side wall (18) of the mounting groove (4).

4. The roller assembly according to claim 3, characterized in that: A plurality of positioning ribs (7) are distributed in an annular manner on the connecting member (2), and the bearing (3) is positioned between the bottom wall (8) of the mounting groove (4) and the positioning ribs (7).

5. The roller assembly according to claim 3, characterized in that: A through hole (9) is provided on the mounting groove (4), and the roller (1) is sleeved on the connecting shaft (5) through the through hole (9); a positioning fastener (10) is sleeved on the connecting shaft (5), and a positioning portion (11) is formed on the roller (1) around the through hole (9), and the positioning portion (11) is positioned between the positioning fastener (10) and the bearing (3).

6. The roller assembly according to claim 5, characterized in that: A clamping groove (12) is provided on the connecting shaft (5), and a clamping edge (13) is provided on the inner side of the positioning fastener (10), and the clamping edge (13) is clamped into the clamping groove (12).

7. The roller assembly according to claim 5, characterized in that: The other end of the connecting member (2) is provided with a buckle (14) for fixing the roller assembly (a).

8. A bowl basket, comprising a bowl basket body (15), a buckle rod (16) being arranged on the side of the bowl basket body (15), characterized in that: It also comprises the roller assembly (a) as claimed in claim 7, wherein the buckle (14) and the buckle rod (16) are buckled with each other so that the roller assembly (a) is fixed to the bowl basket body (15).

9. The bowl basket according to claim 8, characterized in that: The connecting shaft (5) is provided with a socket (19), and one end of the buckle rod (16) is provided with an insertion portion (17), and the insertion portion (17) is inserted into the socket (19).

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