Silent wheel and luggage case

Abstract

The utility model discloses a silent wheel and a suitcase, wherein the silent wheel comprises at least one roller assembly, the roller assembly comprises a roller and a rim, the rim is sleeved on the roller, at least one through slot is provided on the end wall of the roller, the through slot penetrates the roller along the axis direction of the roller, at least one connecting column is provided on the rim, the connecting column is penetrated in the through slot, and the two ends of the connecting column are respectively connected to the two ends of the rim. The rim of the utility model is made of soft rubber material, such as rubber material, and the rim is sleeved on the roller, which can change the rigid contact between the roller and the ground into flexible contact between the soft rubber material and the ground, thereby reducing the noise when the roller assembly rolls and realizing the noise reduction function; and the roller and the rim are connected by the connecting column, so that the rim can be firmly sleeved on the roller to prevent the rim from loosening.

Description

Technical Field

[0001] The utility model relates to the technical field of luggage cases, and in particular to a silent wheel and a luggage case. Background Art

[0002] A suitcase is a box that people carry with them when they go out to store items. It can be used to store clothes, food, and personal care products needed for the journey. It is the most common storage tool used by people when they go out. An important part of a suitcase is the rollers. The quality of the rollers directly affects people's mood when traveling. Poor quality rollers not only waste the user's physical strength, but also produce annoying noise when the rollers move forward.

[0003] In order to reduce the noise when the roller moves forward, a rim is sleeved on the outer ring of the roller so that the rim contacts the ground. However, the sleeved connection between the outer ring of the roller and the rim may cause the rim to loosen from the outer ring of the roller. Therefore, a new solution is needed to solve this problem. Utility Model Content

[0004] The utility model aims to provide a silent wheel and a suitcase, so as to solve the technical problem in the prior art that the wheel rim on the suitcase for reducing the dragging noise of the roller is easy to loosen, thus affecting the use of the suitcase.

[0005] The utility model provides a silent wheel, comprising at least one roller assembly, wherein the roller assembly comprises a roller and a rim, wherein the rim is sleeved on the roller, wherein at least one through groove is provided on the end wall of the roller, wherein the through groove penetrates the roller along the axial direction of the roller, wherein at least one connecting column is provided on the rim, wherein the connecting column passes through the through groove, and wherein both ends of the connecting column are respectively connected to two end portions of the rim.

[0006] As described above, the silent wheel has a first groove on the circumferential side of at least one end of the roller, and a flange extending in a radial direction is provided at at least one end of the rim, the flange is clamped in the first groove, and the through groove is arranged on the bottom wall of the first groove.

[0007] As described above, in the silent wheel, at least one second groove is formed on the outer peripheral wall of the roller, and at least one clamping block is formed on the inner wall of the wheel rim, and the clamping block is clamped in the second groove.

[0008] As described above, the silent wheel has a plurality of through slots on the end wall of the roller, and the plurality of through slots are evenly distributed circumferentially. The flange has a plurality of connecting columns, and each of the connecting columns is inserted into one of the through slots.

[0009] As described above, the silent wheel has a plurality of second grooves on the outer peripheral wall of the roller, and the plurality of second grooves are evenly distributed circumferentially. A plurality of snap-in blocks are provided on the inner wall of the rim, and each of the snap-in blocks is snap-into one of the second grooves.

[0010] In the silent wheel as described above, each of the second grooves is alternately arranged with one of the through grooves.

[0011] As described above, the silent wheel, the roller assembly also includes a wheel cover, the wheel cover is arranged on the side of the roller away from the silent wheel, the wheel cover is provided with a clamping portion, the roller is provided with a clamping slot, and the clamping portion is clamped in the clamping slot.

[0012] As described above, the silent wheel includes a fixed tray, a connecting shaft, a wheel seat, a limiting pin and two roller assemblies, the fixed tray is provided with guide grooves arranged up and down, the wheel seat is provided with a mounting hole, the upper end of the connecting shaft is inserted into the guide groove, the lower end of the connecting shaft is inserted into the mounting hole, the lower end of the connecting shaft is provided with an annular groove, the wheel seat is provided with a limiting hole, the limiting pin penetrates into the limiting hole and is engaged with the annular groove, and the two roller assemblies are respectively arranged on the left and right sides of the wheel seat.

[0013] In the silent wheel as described above, the limit latch is a polygonal columnar structure.

[0014] The utility model also provides a suitcase, comprising the silent wheels as described above.

[0015] Implementing the embodiments of the present utility model will have the following beneficial effects:

[0016] In the utility model, the roller assembly includes a roller and a wheel rim, the wheel rim is sleeved on the roller, at least one through slot is provided on the end wall of the roller, the through slot penetrates the roller along the axis direction of the roller, at least one connecting column is provided on the wheel rim, the connecting column is penetrated in the through slot, and the two ends of the connecting column are respectively connected to the two ends of the wheel rim. Since the wheel rim is made of soft rubber material, the rigid contact between the roller and the ground can be changed into flexible contact between the soft rubber material and the ground by sleeved on the roller, thereby reducing the noise when the roller assembly rolls and realizing the function of noise reduction; and the roller and the wheel rim are connected by the connecting column, so that the wheel rim can be firmly sleeved on the roller to prevent the wheel rim from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 is a schematic structural diagram of a silent wheel according to an exemplary embodiment;

[0019] Figure 2 is an exploded view of a silent wheel according to an exemplary embodiment;

[0020] Figure 3 is a cross-sectional view of a silent wheel according to an exemplary embodiment;

[0021] Figure 4 is a side view of a roller according to an exemplary embodiment;

[0022] Figure 5 is a front view of a roller according to an exemplary embodiment;

[0023] Figure 6 is a side cross-sectional view of a roller assembly according to an exemplary embodiment.

[0024] Among them: 1. roller; 11. first groove; 12. through groove; 13. second groove; 14. clamping groove; 2. wheel rim; 21. flange; 22. connecting column; 23. clamping block; 3. wheel cover; 31. clamping part; 4. fixed tray; 41. guide groove; 5. connecting shaft; 51. annular groove; 6. wheel seat; 61. mounting hole; 62. limit hole; 7. limit pin. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0030] See also Figure 1-Figure 6The utility model provides a silent wheel, including at least one roller assembly, the roller assembly includes a roller 1 and a rim 2, the rim 2 is sleeved on the roller 1, at least one through slot 12 is opened on the end wall of the roller 1, the through slot 12 penetrates the roller 1 along the axis direction of the roller 1, and at least one connecting column 22 is provided on the rim 2, the connecting column 22 is penetrated in the through slot 12, and the two ends of the connecting column 22 are respectively connected to the two ends of the rim 2. It should be understood that the rim 2 is made of soft rubber material, such as rubber material, and the rim 2 is sleeved on the roller 1, which can change the rigid contact between the roller 1 and the ground into a flexible contact between the soft rubber material and the ground, thereby reducing the noise of the roller assembly when rolling and realizing the noise reduction function; and the roller 1 and the rim 2 are connected by the connecting column 22, so that the rim 2 can be firmly sleeved on the roller 1 to prevent the rim 2 from loosening.

[0031] Preferably, the connecting column 22 and the wheel rim 2 are an integrally formed structure, which is an integral structure formed by injection molding a rubber material on the roller 1 through a mold, so that the connecting column 22 is firmly connected to the wheel rim, thereby making the connection between the roller 1 and the wheel rim 2 more stable, preventing the wheel rim 2 from loosening or even falling off after the suitcase is used.

[0032] Furthermore, a first groove 11 is formed on the circumferential side of at least one end of the roller 1 , a flange 21 extending in the radial direction is formed on at least one end of the rim 2 , the flange 21 is clamped in the first groove 11 , and a through groove 12 is arranged on the bottom wall of the first groove 11 .

[0033] Specifically, first grooves 11 are formed at both ends of the roller 1 , and flanges 21 are formed at both ends of the rim 2 . The two flanges are respectively inserted into the two first grooves 11 to limit the movement of the rim 2 along its axial direction.

[0034] Furthermore, at least one second groove 13 is formed on the outer peripheral wall of the roller 1, and at least one clamping block 23 is formed on the inner wall of the wheel rim 2, and the clamping block 23 is clamped in the second groove 13. By clamping the clamping block 23 in the second groove 13, the wheel rim 2 can be further fixed, so that the connection between the roller 1 and the wheel rim 2 is more secure.

[0035] Furthermore, a plurality of through grooves 12 are provided on the end wall of the roller 1, and the plurality of through grooves 12 are evenly distributed circumferentially. A plurality of connecting columns 22 are provided on the flange 21, and each connecting column 22 is passed through a through groove 12 and fixed at multiple locations, so that the connection between the roller 1 and the rim 2 is more secure.

[0036] Furthermore, a plurality of second grooves 13 are provided on the outer peripheral wall of the roller 1, and the plurality of second grooves 13 are evenly distributed circumferentially. A plurality of snap-in blocks 23 are provided on the inner wall of the rim 2, and each snap-in block 23 is snapped into a second groove 13. The plurality of positions are used for fixing, so that the connection between the roller 1 and the rim 2 is more secure.

[0037] Furthermore, each second groove 13 is alternately arranged with a through groove 12 , so that the connection between the roller 1 and the wheel rim 2 is more secure.

[0038] Furthermore, the roller assembly further includes a wheel cover 3, which is arranged on a side of the roller 1 away from the silent wheel, and a clamping portion 31 is provided on the wheel cover 3, and a clamping groove 14 is provided on the roller 1, and the clamping portion 31 is clamped in the clamping groove 14. The wheel cover 3 is connected to the roller 1, so that the wheel rim 2 is further pressed on the roller 1.

[0039] Furthermore, the silent wheel comprises a fixed tray 4, a connecting shaft 5, a wheel seat 6, a limiting latch 7 and two roller assemblies. The fixed tray 4 is provided with a guide groove 41 arranged up and down, the wheel seat 6 is provided with a mounting hole 61, the upper end of the connecting shaft 5 is inserted into the guide groove 41, the lower end of the connecting shaft 5 is inserted into the mounting hole 61, the lower end of the connecting shaft 5 is provided with an annular groove 51, the wheel seat 6 is provided with a limiting hole 62, the limiting latch 7 penetrates the limiting hole 62 and is engaged with the annular groove 51, and the two roller assemblies are respectively arranged on the left and right sides of the wheel seat 6. The limiting latch 7 is inserted into the limiting hole 62 and the annular groove 51, so that the wheel seat 6 is fixed on the connecting shaft 5. The middle part of the wheel seat 6 is provided with a shaft rod arranged along the axial direction, and the two roller assemblies are both sleeved on the shaft rod to assemble to form a complete silent wheel.

[0040] Specifically, the diameter of the guide groove 41 matches the diameter of the connecting shaft 5, and an abutment block is provided on the top of the connecting shaft, which abuts against the top of the fixed tray 4 to prevent the fixed tray 4 from sliding upward from the connecting shaft 5. The aperture of the mounting hole 61 also matches the diameter of the connecting shaft 5, and the limiting pin 7 is inserted into the limiting hole 62 and the annular groove 51 to fix the wheel seat 6 on the connecting shaft 5 to prevent the wheel seat 6 from sliding downward from the connecting shaft 5, thereby realizing a fixed connection between the fixed tray 4 and the wheel seat 6.

[0041] Furthermore, the limit pin 7 is a polygonal columnar structure, and the shape of the limit hole 62 is the same as that of the limit pin 7, and the size is adapted. In a specific embodiment, the limit pin 7 is a quadrilateral structure, and the limit hole 62 is also a quadrilateral hole. The limit pin 7 is inserted into the limit hole 62 to better fix the wheel seat 6 and the connecting shaft 5.

[0042] The utility model also provides a luggage case, comprising the above silent wheels. Specifically, the luggage case has four silent wheels, which are distributed at the four corners of the luggage case. When the luggage case is pulled, the rim 2 is in flexible contact with the ground to achieve the function of noise reduction, and the roller 1 and the rim 2 are connected by the connecting column 22, so that the rim 2 can be firmly sleeved on the roller 1 to prevent the rim 2 from loosening.

[0043] The above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model.

Claims

1. A silent wheel, characterized in that: The invention comprises at least one roller assembly, wherein the roller assembly comprises a roller and a rim, wherein the rim is sleeved on the roller, wherein at least one through slot is provided on the end wall of the roller, wherein the through slot penetrates the roller along the axial direction of the roller, and wherein at least one connecting column is provided on the rim, wherein the connecting column passes through the through slot, and wherein both ends of the connecting column are respectively connected to two ends of the rim.

2. The silent wheel according to claim 1, characterized in that: A first groove is formed on the circumference of at least one end of the roller, a flange extending in a radial direction is formed on at least one end of the rim, the flange is clamped in the first groove, and the through groove is arranged on the bottom wall of the first groove.

3. The silent wheel according to claim 2, characterized in that: At least one second groove is formed on the outer peripheral wall of the roller, and at least one clamping block is formed on the inner wall of the wheel rim, and the clamping block is clamped in the second groove.

4. The silent wheel according to claim 3, characterized in that: A plurality of through slots are formed on the end wall of the roller, and the plurality of through slots are evenly distributed in the circumferential direction. A plurality of connecting columns are formed on the flange, and each of the connecting columns is inserted into one of the through slots.

5. The silent wheel according to claim 4, characterized in that: A plurality of second grooves are formed on the outer peripheral wall of the roller, and the plurality of second grooves are evenly distributed in the circumferential direction. A plurality of clamping blocks are formed on the inner wall of the wheel rim, and each of the clamping blocks is clamped in one of the second grooves.

6. The silent wheel according to claim 5, characterized in that: Each of the second grooves is alternately arranged with a through slot.

7. The silent wheel according to claim 1, characterized in that: The roller assembly also includes a wheel cover, which is arranged on a side of the roller away from the silent wheel. The wheel cover is provided with a clamping portion, and the roller is provided with a clamping slot, and the clamping portion is clamped in the clamping slot.

8. The silent wheel according to claim 1, characterized in that: The silent wheel includes a fixed tray, a connecting shaft, a wheel seat, a limiting pin and two roller assemblies. The fixed tray is provided with guide grooves arranged up and down, the wheel seat is provided with a mounting hole, the upper end of the connecting shaft is inserted into the guide groove, the lower end of the connecting shaft is inserted into the mounting hole, the lower end of the connecting shaft is provided with an annular groove, the wheel seat is provided with a limiting hole, the limiting pin penetrates into the limiting hole and is engaged with the annular groove, and the two roller assemblies are respectively arranged on the left and right sides of the wheel seat.

9. The silent wheel according to claim 8, characterized in that: The limiting latch is a polygonal columnar structure.

10. A luggage case, characterized in that: Comprising the silent wheel as described in any one of claims 1-9.

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