CN110816162A

CN110816162A - Roller assembly and using method thereof

Info

Publication number: CN110816162A
Application number: CN201911135176.7A
Authority: CN
Inventors: 程钢; 张涵; 王忠雷; 李兆东; 王芳
Original assignee: Shandong Jianzhu University
Current assignee: Shandong Jianzhu University
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-02-21
Anticipated expiration: 2039-11-19
Also published as: CN110816162B

Abstract

The invention discloses a roller assembly and a using method thereof, and the roller assembly comprises a wheel shaft, a roller, a first cylindrical part and a pin shaft, wherein the center of the roller is vertically connected with the wheel shaft, one end of the first cylindrical part is provided with a first end cover, and the other end of the first cylindrical part is also connected with a second end cover; the wheel axle passes and the first end cover of swivelling joint gets into first tubular, and the wheel axle that is located first tubular inside has the recess, and the round pin axle passes through the elastic component to be connected in first tubular, and the round pin axle can pass the lateral wall of first tubular with the recess butt of wheel axle. The invention can solve the problems that the movable instrument can automatically lock wheels in a horizontal placing and using state and can flexibly move during carrying.

Description

Roller assembly and using method thereof

Technical Field

The invention relates to the field of wheel shafts, in particular to a roller assembly and a using method thereof.

Background

With the rapid progress and development of modern industry and logistics industry, the use occasions of the caster are more and more extensive. In prior art movable bases for luggage, work benches, chairs, trolleys or mobile instruments, the rollers on the transfer comprise single rollers and double-sided rollers. The system is not only used in places such as large shopping supermarkets, logistics sorting platforms, production factories, airports, warehouses and the like, but also is more and more applied to families.

However, the inventor believes that the current casters are basically directly mounted on the required products which are frequently moved for use, and the casters are provided with braking devices independently, so that the use is excessively cumbersome and troublesome, but the equipment provided with the casters is easy to move without external force if a braking system is not used, and accidents are easy to happen when people carelessly do not want to see.

Disclosure of Invention

Aiming at the defect that the braking system of the existing roller assembly is complicated, the invention aims to provide a roller assembly which is combined with a braking mechanism so as to solve the problems that the wheels can be automatically locked when a movable instrument is horizontally placed and used, and the movable instrument can be flexibly moved during transportation.

The invention aims to provide a roller assembly.

In order to realize the purpose, the invention discloses the following technical scheme:

the invention discloses a roller assembly, which comprises a wheel shaft, a roller, a first cylindrical part and a pin shaft, wherein the center of the roller is vertically connected with the wheel shaft; the wheel axle passes and the first end cover of swivelling joint gets into first tubular, and the wheel axle that is located first tubular inside has the recess, and the round pin axle passes through the elastic component to be connected in first tubular, and the round pin axle can pass the lateral wall of first tubular with the recess butt of wheel axle.

Further, the inner side of the first cylinder is connected with the wheel shaft through a bearing.

Further, the outer side of the first cylindrical part is also sleeved with a second cylindrical part.

Further, the wheel shaft positioned on the barrel-shaped part is connected with the barrel-shaped part through a first bearing and a second bearing; the surface of the axle between the first bearing and the second bearing has a groove.

Further, the groove is disposed around a surface of the axle.

Further, the first bearing abuts the first end cap and the second bearing abuts the second end cap.

Furthermore, the first end of round pin axle is the hemisphere, the second end of round pin axle is the taper shape.

Furthermore, the elastic part is a spring, the spring is sleeved on the pin shaft, and two ends of the spring are respectively connected to the pin shaft and the first cylindrical body.

Further, a flange is mounted on the side wall of the first cylindrical part, and the pin shaft can penetrate through the flange; the spring is connected to the first cylinder by a flange.

The invention further discloses a using method of the roller assembly, which is characterized by comprising the following steps:

connecting the object to be moved by using a second cylindrical body;

when an object needing to be moved needs to be moved, one side of the object needing to be moved is lifted, the spring supports the pin shaft to enable the first end of the pin shaft to be far away from the ground, the second end of the pin shaft is separated from the groove of the wheel shaft, the wheel shaft is not in a braking state any more, and the roller can roll, so that the object needing to be moved can be pushed to move;

when an object needing to be moved is placed horizontally, the first end of the pin shaft is in contact with the ground and is extruded by the ground, the pin shaft is moved inwards, the spring is compressed, the second end of the pin shaft is embedded into the wheel shaft groove of the wheel shaft, the wheel shaft cannot rotate, the roller is braked, and the object needing to be moved can be stably placed on the ground.

Compared with the prior art, the invention has the following beneficial effects:

1) the braking of the roller is carried out in a non-clamping type braking mode, specifically, the pin shaft and the groove in the braking device can be matched to organize the rotation of the wheel shaft, so that the braking effect of the roller is achieved, and compared with a traditional newspaper clamping type braking device, the braking device disclosed by the invention does not need to use an additional transmission piece to convert external power into clamping force of the newspaper clamping braking device, and the braking device is fully simplified according to the using condition.

2) The braking condition of the invention is the condition that the roller is needed to assist the movement, therefore, the requirement of the invention on the acceleration is lower, and the condition of the invention is the low-speed condition, therefore, the requirement of the connection strength of the pin shaft and the groove of the invention is lower, and the conical end of the pin shaft is matched with the groove, so that the invention can obtain good matching effect under the low connection strength.

3) In the invention, because the two ends of the first cylindrical part are both connected with the end covers, the first cylindrical part is closed, and the groove structure and the bearing in the first cylindrical part are protected.

4) In the invention, the spring is used for providing power for the reciprocating motion of the pin shaft, and the energy stored by the spring comes from the rolling of the roller, so that no additional energy is required to drive the device disclosed by the invention.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is an internal schematic view of example 1,

figure 2 is an external elevation view of embodiment 1,

FIG. 3 is a schematic view of the apparatus for connecting the scroll wheel assembly in example 2.

In the figure, 1, an axle, 2, a roller, 3, a first end cover, 4, a screw for fixing the end cover, 5, a first bearing, 6, a tooth-shaped groove structure, 7, a first cylindrical part, 8, a second end cover, 9, a second cylindrical part, 10, a spring, 11, a screw for fixing a flange, 12, a pin shaft, 13, a flange, 14 and a fastening bolt.

Detailed Description

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention, and furthermore, the terms "first", "second", "third", etc., are only used for descriptive purposes and are not intended to indicate or imply relative importance.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As described in the background art, aiming at the defect of tedious braking system of the existing roller assembly, the invention aims to provide a roller assembly which is combined with a braking mechanism to solve the problems that the wheels of a movable instrument can be automatically locked in a horizontal placing and using state and the movable instrument can be flexibly moved during carrying, and the invention is further described by combining the attached drawings and the specific implementation mode.

Example 1

Referring to fig. 1 and 2, the present embodiment discloses a roller 2 assembly, which includes a wheel axle 1, a roller 2, a first cylindrical member 7, a second cylindrical member 9 and a pin 12, wherein the center of the roller 2 is vertically connected to the wheel axle 1, one end of the first cylindrical member 7 is provided with a first end cap 3, and the other end of the first cylindrical member 7 is further connected to a second end cap 8; the wheel axle 1 penetrates through and is rotatably connected with the first end cover 3 to enter the first cylindrical part 7, the wheel axle 1 positioned in the first cylindrical part 7 is provided with a groove, the pin shaft 12 is connected with the first cylindrical part 7 through an elastic part, and the pin shaft 12 can penetrate through the side wall of the first cylindrical part 7 to be abutted against the groove of the wheel axle 1.

It should be noted that, the roller 2 assembly in this embodiment is a roller 2 that is widely used at present, and the structure of the roller 2 assembly is not described herein again, and the roller 2 assembly includes a wheel shaft 1, the connection mode between the wheel shaft 1 and the roller 2 is a fixed connection, and the wheel shaft 1 can rotate along with the rolling of the roller 2, and in the field, this type of connection is generally implemented by a connection piece or an electric welding connection.

Referring to fig. 1, the wheel axle 1 in the present embodiment is cylindrical or prismatic, and two rolling bearings, namely a first bearing 5 and a second bearing, are mounted on the wheel axle 1; the wheel shaft 1 between the two bearing mounting positions is provided with grooves which are symmetrically distributed by taking the central shaft of the wheel shaft 1 as the axis center to form a dentate groove structure 6.

In this embodiment, the wheel spindle 1 is braked by means of a toothed groove structure 6.

It will be appreciated that the first barrel 7 in this embodiment is in fact closed, with end caps screwed to both ends of the first barrel 7, the end caps being capable of closing the first barrel 7 so as to maintain cleanliness within the first barrel 7.

Correspondingly, the toothed groove structure 6 of the wheel axle 1 is located in the first cylindrical part 7, it being understood that in this embodiment a first bearing 5 and a second bearing are used for connecting the wheel axle 1 and the first cylindrical part 7, the first bearing 5 abutting against the first end cap 3 and the second bearing abutting against the second end cap 8, the first bearing 5 being correspondingly located inside the first end cap 3 and the second bearing being correspondingly located inside the second end cap 8.

The first end cover 3 and the second end cover 8 are both provided with central holes for mounting the wheel shaft 1 and the bearing; the first cylindrical member 7 has a threaded hole or through hole in its circumferential side for mounting a flange 13, the flange 13 being used for mounting the pin 12 and the spring 10. One end of the outer side of the pin shaft 12, namely the first end of the pin shaft 12, is hemispherical, the middle section of the pin shaft 12 is provided with a flange, one end of the inner side of the pin shaft 12, namely the second end of the pin shaft 12, is conical, the spring 10 is sleeved on the pin shaft 12, the flange 13 can be propped against the flange of the pin shaft 12, the pin shaft 12 moves back and forth in a side hole of the base, and the spring 10 can provide elastic force to reset the pin shaft 12. The corresponding position of the circumference of the bracket is provided with a through hole, and the flange 13 is fixed on the base through screws.

Example 2

The embodiment discloses a use method of a roller 2 assembly based on the embodiment 1, which comprises the following steps:

connecting the object to be moved by using a second cylindrical body;

when an object needing to be moved is placed horizontally, the first end of the pin shaft is in contact with the ground and is extruded by the ground, the pin shaft is moved inwards, the spring is compressed, the second end of the pin shaft is embedded into the wheel shaft groove of the wheel shaft, the wheel shaft cannot rotate, the roller is braked, and the object needing to be moved can be stably placed on the ground. .

Referring to fig. 3, taking the experimental apparatus as an example, when the apparatus is placed horizontally, the second cylindrical member 9 is also horizontal, the first end of the pin 12 contacts the ground, and is pressed by the ground to move the pin 12 inward, the spring 10 is compressed, the conical end of the pin 12 is embedded into the tooth groove of the axle 1, so that the axle 1 cannot rotate, the roller 2 is braked, and the apparatus can be stably placed on the ground;

when the instrument device needs to be moved to other positions, the other side of the instrument device can be lifted, at this time, the hemispherical end of the pin shaft 12 is not contacted with the ground any more, the spring 10 can provide elasticity, the pin shaft 12 is reset, the conical end of the pin shaft 12 is separated from the toothed groove of the wheel shaft 1, the wheel shaft 1 can be rotated, and the roller 2 can roll, so that the instrument device can be pushed to move.

It should be noted that, for the convenience of movement, the first end of the pin 12 can contact with the ground through the gasket, and after the gasket is removed, the pin 12 does not interfere with the normal operation of the roller 2 in the normal state.

The length of the pin 12, and therefore the state of the spring 10, can be varied by a person skilled in the art according to the actual use,

the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A roller assembly comprises a wheel shaft, a roller, a first cylindrical part and a pin shaft, wherein the center of the roller is vertically connected with the wheel shaft, one end of the first cylindrical part is provided with a first end cover, and the other end of the first cylindrical part is also connected with a second end cover; the wheel axle passes and the first end cover of swivelling joint gets into first tubular, and the wheel axle that is located first tubular inside has the recess, and the round pin axle passes through the elastic component to be connected in first tubular, and the round pin axle can pass the lateral wall of first tubular with the recess butt of wheel axle.

2. The roller assembly of claim 1 wherein the inner side of the first barrel is connected to the axle by a bearing.

3. The roller assembly of claim 2 wherein the first barrel is further sleeved on the outside with the second barrel.

4. The roller assembly of claim 1 wherein the axle located in the barrel is connected to the barrel by a first bearing and a second bearing; the surface of the axle between the first bearing and the second bearing has a groove.

5. The roller assembly of claim 4 wherein said recess is disposed about a surface of said axle.

6. The roller assembly of claim 4 wherein the first bearing abuts the first end cap and the second bearing abuts the second end cap.

7. The roller assembly of claim 1 wherein the first end of the pin is hemispherical and the second end of the pin is conical.

8. The roller assembly of claim 1, wherein the elastic member is a spring, the spring is sleeved on the pin shaft, and two ends of the spring are respectively connected to the pin shaft and the first cylindrical body.

9. The roller assembly of claim 8 wherein a flange is mounted to a side wall of the first barrel member, the pin shaft being capable of passing through the flange; the spring is connected to the first cylinder by a flange.

10. The use method of the roller assembly according to any one of claims 1 to 9, comprising the steps of:

connecting the object to be moved by using a second cylindrical body;