CN211684515U

CN211684515U - Simple bearing wheel for case

Info

Publication number: CN211684515U
Application number: CN202020347754.5U
Authority: CN
Inventors: 沈华
Original assignee: New Tongyoutu Technology Dongguan Co ltd
Current assignee: New Tongyoutu Technology Dongguan Co ltd
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-10-16
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a simple and easy bearing wheel of case and bag, including gyro wheel and shaft, be equipped with the shaft hole on the gyro wheel, be equipped with a plurality of rolling members with the circumference surface rolling contact of shaft in the shaft hole. The inner wall of the shaft hole is provided with a positioning groove corresponding to the rolling piece, the rolling piece is rotatably arranged in the positioning groove, and part of the rolling piece protrudes out of the opening of the positioning groove and is in rolling contact with the wheel shaft. The utility model discloses a direct set up in the shaft hole with the rolling member of the circumferential surface rolling contact of shaft to the rotation of gyro wheel is realized in the roll through the rolling member, does not need to install the bearing additional, has simplified the structure of gyro wheel, has improved the packaging efficiency of gyro wheel, has reduced the manufacturing cost of enterprise.

Description

Simple bearing wheel for case

Technical Field

The utility model relates to a case and bag technical field, concretely relates to simple and easy bearing wheel of case and bag.

Background

The travel bag is a bag article which is made of various leathers, artificial leathers, synthetic leathers and textiles as fabrics by adopting hot pressing or vacuum forming, injection molding and sewing processes and has the function of containing and carrying clothes. Most of travel bags on the market are provided with the rollers, and the rollers are arranged on the bags, so that the bags are convenient to move and labor-saving. However, the existing case roller is provided with a shaft hole through the roller, then the shaft hole is provided with a bearing, the roller is connected with the wheel shaft through the bearing in a rotating way, and the roller is low in assembly efficiency and high in production cost due to the structure.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the disappearance that prior art exists, provide a simple and easy bearing wheel of case and bag, it can simplify the gyro wheel structure, improves gyro wheel packaging efficiency, reduces the manufacturing cost of enterprise.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the simple bearing wheel for the luggage comprises a roller and a wheel shaft, wherein a shaft hole is formed in the roller, and a plurality of rolling pieces in rolling contact with the circumferential surface of the wheel shaft are arranged in the shaft hole.

Preferably, the rolling members are uniformly distributed in the shaft hole in a ring shape.

As a preferable scheme, the inner wall of the shaft hole is provided with a positioning groove corresponding to the rolling member, the rolling member is rotatably arranged in the positioning groove, and part of the rolling member protrudes out of the opening of the positioning groove and is in rolling contact with the wheel shaft.

Preferably, the rolling members are rollers, the positioning groove is a long groove matched with the rollers in shape, and the extending direction of the long groove is parallel to the axial direction of the wheel axle.

Preferably, the portion of the roller that projects beyond the detent opening has a projection width that is less than the radius of the roller.

Preferably, the portion of the roller that projects beyond the detent opening has a projection width that is greater than the radius of the roller.

As a preferred scheme, the rolling member is the ball, the constant head tank is the arc recess with ball shape adaptation, and a plurality of arc recesses ring form distribute in the shaft opening.

As a preferred scheme, an annular step is arranged on the inner side of one end of the shaft hole, the arc-shaped grooves are distributed on the annular step, a hole cover matched with the annular step is arranged on the roller, a limiting groove corresponding to the arc-shaped groove is arranged on the surface of one side, facing the annular step, of the hole cover, and the ball is clamped between the corresponding arc-shaped groove and the limiting groove.

Preferably, the arc-shaped grooves are distributed in at least one row along the axial direction of the shaft hole.

As a preferred scheme, the device also comprises a wheel carrier, wherein the number of the rollers is two, the wheel shaft is fixedly arranged on the wheel carrier, and two ends of the wheel shaft extend out of two sides of the wheel carrier and respectively penetrate into shaft holes of the two rollers.

Compared with the prior art, the utility model have obvious advantage and beneficial effect, particularly, through the direct rolling member that sets up in the shaft hole with the circumferential surface rolling contact of shaft to realize the rotation of gyro wheel through the roll of rolling member, need not install the bearing additional, simplified the structure of gyro wheel, improved the packaging efficiency of gyro wheel, reduced the manufacturing cost of enterprise.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is an assembled view of a first embodiment of the present invention;

FIG. 2 is an exploded view of the first embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a first embodiment of the present invention;

FIG. 4 is a side view structural diagram of the first embodiment of the present invention;

FIG. 5 is an enlarged schematic view at A in FIG. 4;

FIG. 6 is a schematic view of a positioning groove according to a second embodiment of the present invention;

FIG. 7 is an assembled view of a third embodiment of the present invention;

FIG. 8 is an exploded view of a third embodiment of the present invention;

fig. 9 is a schematic cross-sectional view of a third embodiment of the present invention;

fig. 10 is a schematic cross-sectional view of a fourth embodiment of the present invention;

fig. 11 is a schematic cross-sectional view of a fifth embodiment of the present invention.

The attached drawings indicate the following:

10. wheel frame 20, roller 21, shaft hole 22 and elongated slot

23. Arc-shaped groove 24, hole cover 25, limit groove 30 and wheel shaft

40. Rollers 50, balls.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1 to 11, the simple luggage bearing wheel includes two rolling wheels 20, a wheel frame 10 and a wheel shaft 30, the rolling wheels 20 are provided with shaft holes 21, the wheel shaft 30 is fixedly mounted on the wheel frame 10, two ends of the wheel shaft 30 extend out of two sides of the wheel frame 10 and respectively penetrate into the shaft holes 21 of the two rolling wheels 20, a plurality of rolling members in rolling contact with the circumferential surface of the wheel shaft 30 are arranged in the shaft holes 21, and the rolling members are annularly and uniformly distributed in the shaft holes 21. To reduce the friction between the rolling elements and the axle 30, the axle 30 or the rolling element surfaces are coated with a lubricating material. Specifically, the inner wall of the shaft hole 21 is provided with a positioning groove corresponding to the rolling member, the rolling member is rotatably installed in the positioning groove, and part of the rolling member protrudes out of the opening of the positioning groove and is in rolling contact with the wheel axle 30.

As shown in fig. 1 to 5, in the first embodiment of the present invention, the rolling members are rollers 40, the positioning groove is a long groove 22 adapted to the shape of the roller 40, the extending direction of the long groove 22 is parallel to the axial direction of the axle 30, and in order to prevent the roller 40 from falling out of the two ends of the long groove 22, the opening width of the two ends of the long groove 22 is smaller than the diameter of the roller 40. The protruding width of the portion of the roller 40 protruding out of the opening of the positioning groove is smaller than the radius of the roller 40. In the present invention, the length of the roller 40 can be set as required.

As shown in fig. 6, the second embodiment of the present invention is different from the above embodiments in that the depth of the long groove 22 of the second embodiment is smaller than that of the first embodiment, so that the protruding width of the portion of the roller 40 protruding out of the long groove 22 is larger than the radius of the roller 40.

As shown in fig. 7-9, in the third embodiment of the present invention, the rolling member is a ball 50, the positioning groove is an arc-shaped groove 23 adapted to the shape of the ball 50, and the plurality of arc-shaped grooves 23 are annularly distributed in the shaft hole 21. The inner side of one end of the shaft hole 21 is provided with an annular step, the arc-shaped grooves 23 are distributed on the annular step, the roller 20 is provided with a hole cover 24 matched with the annular step, one side surface of the hole cover 24 facing the annular step is provided with a limiting groove 25 corresponding to the arc-shaped groove 23, and the ball 50 is clamped between the corresponding arc-shaped groove 23 and the limiting groove 25.

As shown in fig. 10, in the fourth embodiment of the present invention, in this embodiment, the arc groove 23 is directly disposed inside the shaft hole 21, and the arc groove 23 has an opening toward the axial direction of the shaft hole 21, so that the hole cover 24 is not required to be disposed, the ball 50 can be pre-loaded into the arc groove 23 by a tool during assembly, and the axle 30 is then inserted into the shaft hole 21.

As shown in fig. 11, the fifth embodiment of the present invention is different from the fourth embodiment in that two rows of arc-shaped grooves 23 are distributed along the axial direction of the shaft hole 21, so that two sets of balls 50 are formed in the shaft hole 21 and distributed in an annular shape, and the rotation between the wheel axle 30 and the roller 20 is more stable. Here, the balls 50 may be provided in two or more rows according to the length of the shaft hole 21.

It should be noted that, although the above embodiments are all structures in which one wheel frame 10 is equipped with two rollers 20, in practical applications, a structure in which one wheel frame 10 is equipped with one roller 20 may also be provided. The utility model discloses in, roller 40 and ball 50 both can adopt the plastic material also can adopt the metal material shaping.

To sum up, the utility model discloses a direct set up in shaft hole 21 with shaft 30's circumference surface rolling contact's rolling member to realize gyro wheel 20's rotation through the roll of rolling member, need not install the bearing additional, simplified gyro wheel 20's structure, improved gyro wheel 20's packaging efficiency, reduced the manufacturing cost of enterprise.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments by the technology of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a simple and easy bearing wheel of case and bag which characterized in that: the rolling wheel comprises a rolling wheel and a wheel shaft, wherein a shaft hole is formed in the rolling wheel, and a plurality of rolling parts in rolling contact with the circumferential surface of the wheel shaft are arranged in the shaft hole.

2. A luggage plain bearing wheel according to claim 1, wherein: the rolling parts are uniformly distributed in the shaft hole in an annular mode.

3. A luggage plain bearing wheel according to claim 1, wherein: the inner wall of the shaft hole is provided with a positioning groove corresponding to the rolling piece, the rolling piece is rotatably arranged in the positioning groove, and part of the rolling piece protrudes out of the opening of the positioning groove and is in rolling contact with the wheel shaft.

4. A luggage plain bearing wheel according to claim 3, wherein: the rolling parts are rollers, the positioning grooves are long grooves matched with the rollers in shape, and the extending direction of the long grooves is parallel to the axial direction of the wheel axle.

5. A luggage plain bearing wheel according to claim 4, wherein: the protruding width of the part of the roller protruding out of the opening of the positioning groove is smaller than the radius of the roller.

6. A luggage plain bearing wheel according to claim 4, wherein: the protruding width of the part of the roller protruding out of the opening of the positioning groove is larger than the radius of the roller.

7. A luggage plain bearing wheel according to claim 3, wherein: the rolling member is the ball, the constant head tank is the arc recess with ball shape adaptation, and a plurality of arc recess annular distribution are in the axle hole.

8. A luggage plain bearing wheel according to claim 7, wherein: the inner side of one end of the shaft hole is provided with an annular step, the arc-shaped grooves are distributed on the annular step, the roller is provided with a hole cover matched with the annular step, one side surface of the hole cover facing the annular step is provided with a limiting groove corresponding to the arc-shaped grooves, and the balls are clamped between the corresponding arc-shaped grooves and the limiting groove.

9. A luggage plain bearing wheel according to claim 7, wherein: the arc-shaped groove is distributed with at least one row along the axial direction of the shaft hole.

10. A luggage plain bearing wheel according to any one of claims 1 to 9, wherein: the rolling wheel device is characterized by further comprising two wheel frames, the wheel shafts are fixedly arranged on the wheel frames, and two ends of each wheel shaft extend out of two sides of the wheel frame and penetrate into shaft holes of the two rolling wheels respectively.