CN204936700U - Universal wheel for case - Google Patents

Abstract

Universal wheels for luggage, including rollers, wheel frames and connecting bodies, wherein the wheel frames and rollers are connected and fixed by horizontal shafts, and the wheel frames and connecting bodies are connected by vertical shafts; between the opposite surfaces of the wheel frames and the connecting bodies A steering mechanism is provided, wherein the steering mechanism includes a lower plate, a middle plate and an upper plate, and a plurality of round holes are evenly opened on the middle plate, and a steel ball is arranged on each round hole, wherein the steel ball is opened relative to the middle plate. Some circular holes protrude outward, and the lower plate and the upper plate are respectively provided with a first protruding ring and a second protruding ring for accommodating steel balls from the direction away from the middle plate. Correspondingly, the wheel frame faces the lower plate A first groove for matching the first bead on the lower plate is opened on one side surface, and a second groove for matching the second bead on the upper plate is opened on the side surface of the connecting body facing the upper plate. groove. The universal wheel of the utility model is assembled on the case and bag, and can be rotated in any direction, and has the stability and shock-absorbing effect at the same time.

Description

Universal wheels for bags

technical field

The utility model belongs to the technical field of mechanical manufacturing, in particular to a universal wheel for bags.

Background technique

Bags are used to hold items. In order to facilitate people’s use, universal wheels are usually installed on one end of the bag that is in contact with the ground, so that people can move the bag in any direction on the same plane when using the bag. , thereby saving people's physical strength and facilitating the transportation of the luggage contained in the luggage.

At present, in the prior art, there are various types of universal wheels used for assembling on bags, and their structures are also different, and the ways of using them to realize rotation in any direction on bags are also different. However, the existing universal wheels are assembled on the case and bag, and the stability of rotating in any direction on the ground under the driving of the case and bag is not good, and it is difficult to control the case and bag; Have shock-absorbing effect, or realize the shock-absorbing function of this universal wheel pair case and bag through complicated structure setting, can't well satisfy people's use demand.

Therefore, it is particularly necessary to provide a universal wheel for bags that meets the above requirements.

Utility model content

The purpose of the utility model is to solve the above-mentioned technical problems with the universal wheel for luggage.

Specifically, a universal wheel for luggage, including a roller, a wheel frame arranged on the roller, and a connecting body for assembling the wheel frame to the bag, the wheel frame and the roller pass through a horizontal line that runs through the center line of the roller. The shaft is connected and fixed, and the wheel frame and the connecting body are connected with a vertical shaft to assemble the roller, the wheel frame and the connecting body into an integral structure; a steering mechanism is arranged between the opposite surface of the wheel frame and the connecting body , wherein the steering mechanism includes a lower plate, a middle plate and an upper plate in turn, and a plurality of round holes are evenly opened on the middle plate, and a steel ball is arranged on each round hole, wherein the steel ball is relatively The circular hole on the plate protrudes outward, and the lower plate and the upper plate are respectively provided with a first protruding ring and a second protruding ring from the direction away from the middle plate, and the first protruding ring and the second protruding ring are used to To accommodate the steel balls located on the middle plate, correspondingly, the wheel frame is provided with a first groove on the side surface facing the lower plate for matching the first protruding ring on the lower plate, and the connecting body is A second groove for matching the second protruding ring on the upper plate is opened on the surface facing the upper plate.

As a preferred solution of the present utility model, the steering mechanism also includes a backing plate, the outer diameter of the backing plate is smaller than the diameter of the inner ring of the upper plate, and the cover is arranged on the side of the wheel frame facing the connecting body. .

As a preferred solution of the present invention, the wheel frame is provided with a plurality of slots at intervals in an annular manner on the outer wall of the end facing the connecting body.

As a preferred solution of the present utility model, the connecting body protrudes outward on the end surface of the side away from the wheel frame with 4 mounting legs, and the 4 mounting legs are separated around the vertical axis and arranged symmetrically in pairs .

As a preferred solution of the present utility model, a plurality of reinforcing ribs are uniformly arranged on the outer peripheral surface of the mounting leg, and the plurality of reinforcing ribs are respectively connected and fixed to the connecting body.

As a preferred solution of the present invention, the mounting feet and the connecting body are integrally injection-molded from plastic materials.

As a preferred solution of the present utility model, a groove is provided on the end face of the connecting body facing the wheel frame, and the steering mechanism is accommodated by the groove.

As a preferred solution of the present utility model, the horizontal shaft axially penetrates the roller and the wheel frame, and is limited and fixed by the ends on both sides of the horizontal shaft and the wheel frame.

As a preferred solution of the present invention, cover plates are respectively provided on the two side arms of the wheel frame for covering the transverse shaft.

As a preferred solution of the present invention, the roller is made of plastic material.

Due to the application of the above technical solutions, the utility model has the following beneficial effects:

The universal wheel for bags of the utility model has a simple structure, and through the structural arrangement of the steering mechanism, when the universal wheel is assembled on the bag and used, the upper plate and the lower plate in the steering mechanism can be positioned relative to the inside of the round hole on the middle plate. The set steel balls rotate radially, so that the universal wheel can rotate in any direction when walking, and because the rotation of the upper plate and the lower plate on the steel balls is carried out in a squeezed state, its stability And the rotation of the steel ball in the round hole of the middle plate can be used to offset the vibration generated by the roller during walking, so as to realize the shock absorption effect of the universal wheel.

Description of drawings

Fig. 1 is a schematic structural view of a universal wheel for bags provided by a preferred embodiment of the present invention.

Fig. 2 is a structural schematic diagram of the connecting body in the present invention.

Fig. 3 is a structural schematic diagram of the wheel frame in the utility model.

Fig. 4 is an exploded view of the steering mechanism in the utility model.

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to Fig. 1-Fig. 4, the luggage universal wheel 100 that the preferred embodiment of the present invention provides, comprises roller 10, is located at the wheel frame 20 on the roller 10 and is used to assemble wheel frame 20 on the bag The connection body 30 , wherein a steering mechanism 40 is provided between the opposite surfaces of the wheel frame 20 and the connection body 30 .

It can be understood that the roller 10 , the wheel frame 20 and the connecting body 30 are assembled into an integral structure, and the roller 10 is made of plastic material. Specifically, the two side arms of the wheel frame 20 are arranged on both sides of the roller 10, and are connected and fixed by a transverse axis (not shown) passing through the central axis of the roller 10, wherein the ends on both sides of the transverse axis are connected to the wheel. The frame 20 is limited and fixed to realize the fixed connection of the horizontal axis to the roller 10 and the wheel frame 20 . In the wheel frame 20 of this embodiment, cover plates 21 are respectively provided on the two side arms for covering the horizontal axis. The end of the wheel frame 20 facing the connecting body 30 is vertically arranged relative to the ground, and is connected and fixed with the vertical shaft 230, so that the wheel frame 20 supports the connecting body 30 in the vertical direction, thereby realizing The universal wheel 100 is assembled in the luggage to support the luggage.

The steering mechanism 40 includes a lower plate 41, a middle plate 42 and an upper plate 43 in turn, the middle plate 42 is evenly provided with a plurality of circular holes, and a steel ball 44 is arranged on each circular hole, wherein the The steel ball 44 protrudes outward relative to the circular hole formed on the middle plate 43 . It can be understood that the lower plate 41 and the upper plate 43 are respectively provided with a first convex ring 411 and a second convex ring 431 from the direction away from the middle plate 42, and the first convex ring 411 and the second convex ring 431 are used to face the steel ball. 44 to accommodate the steel ball 44 on the middle plate 42. Correspondingly, the wheel frame 20 is provided on the side surface facing the lower plate to match the first protruding ring on the lower plate 41. 411 of the first groove 22 , the connecting body 30 is provided with a second groove 31 on the side surface facing the upper plate 43 for matching the second protruding ring 431 on the upper plate 43 . This can be easily achieved by the concavo-convex cooperation between the first convex ring 411 on the lower plate 41 and the first groove 22 on the wheel frame 20, and the second convex ring 431 on the upper plate 43 and the second groove 31 on the connecting body 30. The assembly of the steering mechanism 40 is realized. It can be understood that the lower plate 41 and the upper plate 43 in the steering mechanism 40 are covered on the middle plate 42 for use, and can play a dust-proof effect on the steel ball 44 arranged on the middle plate 42 . Further, the steering mechanism 40 also includes a backing plate 45, the outer diameter of the backing plate 45 is smaller than the diameter of the inner ring of the upper plate 41, and it is covered on the side of the wheel frame 20 facing the connecting body 30 Above, wherein, the wheel frame 20 is provided with a plurality of slots 23 in an annular manner on the outer wall facing the end of the connecting body 30 .

It can be understood that when the steering mechanism 40 is applied to the universal wheel 100, the upper plate 41 and the lower plate 43 can rotate relative to the steel ball 44 on the round hole of the middle plate 42, thereby realizing the use of the universal wheel 100. Can be rotated in any direction, and because the universal wheel 100 is assembled to the case and bag for use, the rotation of the upper plate 41 and the lower plate 43 on the steel ball 44 is carried out in a squeezed state, and its stability is better.

As a preferred solution of the present utility model, the connecting body 30 has four mounting feet 32 protruding outward on the end surface of the side away from the wheel frame 20, and the four mounting feet 32 are separated around the vertical axis 230, And set them symmetrically in pairs. Wherein, a plurality of reinforcing ribs 321 are evenly arranged on the outer peripheral surface of the mounting leg 32, and the plurality of reinforcing ribs 321 are respectively connected and fixed with the connecting body 30, further, the mounting leg 32 and the connecting body 30 is integrally injection molded by plastic material.

As a preferred solution of the present utility model, the connecting body 30 has a groove 33 on the end surface facing the wheel frame 20, and uses the groove 33 to accommodate the steering mechanism 40, so that the universal wheel 100 as a whole The structure is more compact.

To sum up, the universal wheel for bags of the present utility model has a simple structure, and through the structural setting of the steering mechanism, when the universal wheel is assembled on the bag for use, the upper plate and the lower plate in the steering mechanism can be positioned relative to the middle. The steel ball set in the round hole on the plate rotates radially, so that the universal wheel can rotate in any direction when walking, and because the rotation of the upper plate and the lower plate on the steel ball is squeezed It has good stability; and the rotation of the steel ball in the circular hole of the middle plate can be used to offset the vibration generated by the roller during walking, and then realize the shock absorption effect of the universal wheel.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A universal wheel for luggage, comprising a roller, a wheel frame arranged on the roller and a connecting body for assembling the wheel frame to the case and bag, the horizontal axis passing through the center line of the roller between the wheel frame and the roller Connecting and fixing, the wheel frame and the connecting body are connected with a vertical shaft, so that the roller, the wheel frame and the connecting body are assembled into an integral structure; it is characterized in that: the opposite surface of the wheel frame and the connecting body is arranged There is a steering mechanism, wherein the steering mechanism includes a lower plate, a middle plate and an upper plate in turn, and a plurality of round holes are evenly opened on the middle plate, and a steel ball is arranged on each round hole, wherein the steel ball Relative to the circular hole on the middle plate protruding outward, the lower plate and the upper plate are respectively provided with a first protruding ring and a second protruding ring from the direction away from the middle plate, and the first protruding ring and the second protruding ring are used to Two protruding rings are used to accommodate the steel balls on the middle plate. Correspondingly, the wheel frame is provided with a first groove for matching the first protruding ring on the lower plate on the side surface facing the lower plate. The connecting body is provided with a second groove on the surface facing the upper plate for matching the second protruding ring on the upper plate. 2. The universal wheel for bags according to claim 1, characterized in that: the steering mechanism also includes a backing plate, the outer diameter of the backing plate is smaller than the diameter of the inner ring of the upper plate, and the cover is arranged on The side surface of the wheel carrier facing the connecting body. 3 . The universal wheel for bags according to claim 2 , characterized in that: the wheel frame is provided with a plurality of slots at intervals in an annular manner on the outer wall of the end facing the connecting body. 4 . 4. The universal wheel for bags according to claim 1, characterized in that: the connecting body has four mounting legs protruding outward on the end surface of the side away from the wheel frame, and the four mounting legs are separated Around the vertical axis, they are arranged symmetrically in pairs. 5. The universal wheel for bags according to claim 4, characterized in that: a plurality of reinforcing ribs are evenly arranged on the outer peripheral surface of the mounting feet, and the plurality of reinforcing ribs are respectively connected to the connecting body fixed. 6 . The universal wheel for bags according to claim 5 , wherein the mounting feet and the connecting body are integrally injection-molded of plastic material. 7 . 7 . The universal wheel for bags according to claim 1 , wherein a groove is formed on the end surface of the connecting body facing the wheel frame, and the steering mechanism is accommodated in the groove. 8 . 8 . The universal wheel for bags according to claim 1 , wherein the transverse shaft axially penetrates the roller and the wheel frame, and is limited and fixed by the ends on both sides of the transverse shaft and the wheel frame. 9 . 9 . The universal wheel for bags according to claim 8 , characterized in that: the two side arms of the wheel frame are respectively provided with cover plates for covering the horizontal axis. 10 . 10. The universal wheel for bags according to claim 1, characterized in that: the roller is made of plastic material.