KR20180077788A - Driving apparatus of mobile rack - Google Patents

Abstract

The present invention relates to a driving apparatus for a mobile rack, and an objective of the present invention is to provide a driving apparatus for a mobile rack in which a rail of a complex structure that constitutes the driving apparatus for a mobile rack can be removed by applying a wheel of a urethane material as a driving unit for an electric or manual mobile rack and installing a separation preventing unit on one side of the mobile rack. To this end, in a driving apparatus for a mobile rack according to an embodiment of the present invention, a plurality of rollers for moving the corresponding rack forward and rearward are installed below each of the racks, a plurality of roller installing grooves recessed by a specific depth in a forward/rearward direction are installed below the rack, and a main wheel including a urethane material is installed in the roller installing grooves of the plurality of roller installing grooves, which are located on one end or opposite ends thereof to interwork with a rotary shaft associated with an electric or manual driving unit. A pair of auxiliary wheels including a urethane material are installed in the remaining roller installing grooves, in which the main wheels are not installed, and a guide unit that guides the rack forward and rearward is installed on a wall surface of one side that is adjacent to the rack or at an upper end of the rack.

Description

[0001] DRIVING APPARATUS OF MOBILE RACK [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traveling device of a mobile rack, and more particularly, to a traveling device of a mobile rack, which comprises a wheel of a urethane material as a traveling means of an electric or manual mobile rack, And more particularly, to a traveling apparatus of a mobile rack capable of removing a rail having a complicated structure.

      In general, mobile racks are arranged in a plurality of racks to minimize the space between the racks and racks when storing various kinds of articles, including a large amount of books, documents, office supplies, and various materials, It is a device made to be able to utilize.

      The mobile rack is typically provided with a plurality of rails for selectively moving a plurality of racks on a floor surface on which the mobile rack structure is installed, and a lower surface of each rack is provided with a metal material And a plurality of running members made up of wheels of wheels.

      The rotary shaft of the traveling member may be connected to a steering wheel provided at a predetermined position on one side of the rack through a sprocket and a chain or a drive motor provided at a certain point of the rack, As the rotary shaft is rotated via the driving means, the traveling member travels on the plurality of rails to move the rack.

      However, in the structure of the moving means of the conventional mobile rack as described above, since the traveling member is made of a metal material and the traveling member travels on a rail provided on the floor, There is a problem that the cost is increased and the work is difficult.

      In addition, when the wheels of the metallic material run on the rail, noises are generated due to friction, and there is also a problem of high possibility of breakage or failure in long-term use.

Korean Registered Utility Model No. 20-0442255

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in order to solve the above-mentioned problems, and it is an object of the present invention to provide a motor vehicle comprising a wheel of a urethane material as a traveling means of an electric or manual mobile rack, And it is an object of the present invention to provide a traveling device of a mobile rack which can remove a rail having a complicated structure constituting a mobile rack traveling device.

      According to an aspect of the present invention, there is provided a traveling apparatus for a mobile rack, wherein a plurality of rollers for moving the rack in the forward and backward directions are installed in a lower portion of each rack, And a plurality of roller mounting grooves formed at a predetermined depth along the forward and backward directions are formed at a lower portion of the roller mounting groove, and the roller mounting groove located at one end or both ends of the plurality of roller mounting grooves is interlocked with a rotary shaft associated with an electric or manual driving means A main wheel made of a urethane material is installed, and a pair of auxiliary wheels made of urethane material are installed in the remaining roller mounting grooves in which the main wheel is not installed. And guiding means for guiding the rearward movement.

      Preferably, the main wheel has a diameter larger than that of the auxiliary wheel, and a pair of members are provided in a pair of roller mounting grooves through a pair of rotation shafts provided parallel to each other with a predetermined spacing .

      Preferably, the guide means includes a first guide bar made of a bar having a predetermined length and provided on one side wall adjacent to the rack, and having a "┛" shape, and spaced apart from the front surface of the first guide bar A first fixing member provided on a side of a lower side of the outer surface of the one side of the rack in a state that the first fixing member is in contact with the first guide bar, .

      Preferably, the guide means comprises a second guide bar made of a bar having a predetermined length and positioned at an upper end side of the rack with one end thereof fixed to the fixed rack, A second fixing member provided on one side of an upper end side of the rack in a state of being spaced apart from a front surface of the bar by a predetermined distance and a second fixing member provided on an outer surface of the second fixing member, And a release preventing member disposed in the release preventing member.

      Preferably, the release preventing member has a cylindrical shape and is rotatably installed on a lower surface of the fixing member.

      In the traveling device of the mobile rack according to another embodiment of the present invention, a plurality of rollers for moving the rack in the forward and backward directions are provided in the lower portion of each rack, And a rotary shaft formed of a rod member having a predetermined length connected with the electric or manual driving means passes through the plurality of roller mounting grooves and rotates along the left and right direction The rotating shaft is provided with a wheel made of a urethane material in a state of being positioned in each roller mounting groove and guide means for guiding the movement of the rack before and after the rack is installed on both sides of the rack .

      Preferably, the rotary shaft is provided in parallel with a pair of members spaced apart from each other by a predetermined distance, and a pair of wheels provided on the respective rotary shafts are arranged in the forward and backward directions in the respective roller mounting grooves.

      Preferably, the guide means comprises a guide bar formed of bars of a predetermined length and provided on both outer bottom surfaces of the rack, and has a "┛" shape or a "┗" shape, and is spaced apart from the upper surface of the guide bar And a release preventing member which is formed on the lower surface of the fixing member and is disposed on both side surfaces of the guide bar and is formed of a pair of members, .

According to the present invention as described above, the urethane-made wheels are applied to the traveling means of the mobile rack, and the detachment preventing means is provided at one side of the mobile rack, so that the wheels of the metal It is possible to remove the installed rail according to the application, and it is possible to solve the problem that the installation work is difficult and the cost is increased due to the application of the wheels and the rails made of metal to the traveling means of the mobile rack .

In addition, failure and noise generation due to long-term use of the mobile rack driving means to which the wheels and rails of the metal material are applied can be prevented beforehand, thereby providing a high quality mobile rack product.

1 is a bottom perspective view showing a configuration of a rack to which a traveling device of a mobile rack according to an embodiment of the present invention is applied,
2 is a front view showing a configuration of a rack to which a traveling device of a mobile rack is applied according to an embodiment of the present invention;
3 is a top perspective view showing a configuration of a rack to which a traveling device of a mobile rack according to another embodiment of the present invention is applied,
4 is a bottom perspective view showing a configuration of a rack to which a traveling device of a mobile rack according to another embodiment of the present invention is applied,
5 is a front view showing a configuration of a rack to which a traveling device of a mobile rack according to another embodiment of the present invention is applied;
6 is a side view showing a configuration of a rack to which a traveling device of a mobile rack is applied according to another embodiment of the present invention.
7 is a perspective view showing the overall structure of a mobile rack to which a traveling device of a mobile rack according to another embodiment of the present invention is applied.

Hereinafter, the present invention configured as described above will be described in detail with reference to the accompanying drawings.

FIG. 1 is a bottom perspective view showing a configuration of a rack to which a traveling device of a mobile rack according to an embodiment of the present invention is applied; FIG. 2 is a front view showing a configuration of a rack to which a traveling device of a mobile rack according to an embodiment of the present invention is applied; FIG. 3 is a top perspective view showing a configuration of a rack to which a traveling device of a mobile rack according to another embodiment of the present invention is applied, FIG. 4 is a view showing a configuration of a rack to which a traveling device of a mobile rack according to another embodiment of the present invention is applied Fig. 5 is a front view showing a configuration of a rack to which a traveling device of a mobile rack according to another embodiment of the present invention is applied; Fig. 6 is a front view showing the configuration of a rack in which a traveling device of a mobile rack according to another embodiment of the present invention is applied Fig. 7 is a perspective view showing the overall structure of a mobile rack to which a traveling device of a mobile rack according to another embodiment of the present invention is applied. Fig.

First, in the traveling device of the electric mobile rack according to the present invention, the traveling means provided for traveling the mobile rack is constituted by the urethane-made wheels, so that the complicated structure constituting the conventional mobile rack traveling device is removed .

As is well known, in a mobile rack having a large storage space, a plurality of traveling members such as rollers and wheels are provided in the lower portion of the mobile rack, and an electric driving means such as a motor or a manual driving means including a handle and a chain So that the mobile racks can be moved as the traveling member travels along the floor surface.

According to one embodiment of the mobile rack driving apparatus of the present invention, among the plurality of roller mounting grooves 12 provided on the lower surface of the rack 10, the roller mounting grooves 12 Is provided with a main wheel 32 made of a urethane material so as to be interlocked with a rotating shaft 20 connected to the electric or manual driving means and the remaining roller mounting groove 12 in which the main wheel 32 is not provided is provided with a urethane And a pair of auxiliary wheels 34 made of a material.

At this time, the rotary shaft 20 is selectively rotated in association with the electric driving means or the manual driving means to drive the main wheel 32 made of a plurality of urethane materials installed on the rotary shaft 20, As a means or a manual driving means, various driving means including a configuration described in Japanese Patent No. 10-1219436 and Japanese Patent No. 10-0891739 of the present applicant and the like can be applied, and a configuration for driving the rotating shaft of the mobile rack can be applied to the field And therefore, a detailed description thereof will be omitted.

The plurality of wheels made of the urethane material are disposed in the respective roller mounting grooves 12 in a state where the wheels are installed on the rotary shaft 20, so that the wheels can be selectively driven.

At this time, the rotary shaft 20 installed in each rack 10 is installed in parallel with a pair of members spaced apart from each other by a predetermined distance, and the pair of rotary shafts 20 are inserted into the roller installation groove 12 It is preferable that a pair of main wheels 32 are arranged in the forward and backward directions.

The diameter of the main wheel 32 is larger than that of the auxiliary wheel 34. The auxiliary wheel 34 may be installed on the rotating shaft 20 to which the main wheel 32 is connected, Or may be provided through a separate rotary shaft or bearing structure that is not subjected to a predetermined driving force.

Meanwhile, as described above, the rack 10, to which the wheels of the urethane material is applied as the traveling means, is provided with guide means for preventing the smooth movement of the rack 10 before and after the movement thereof.

In the configuration of the guide means, a first guide bar 40a formed on one side of the rack 10 and having a predetermined length and provided on one wall surface adjacent to the rack 10, A first fixing member 42a formed on the lower side of the outer surface of one side of the rack 10 so as to be spaced apart from the front surface of the first guide bar 40a by a predetermined distance, And one guide means provided on the outer surface of the first fixing member 42a and including a separation preventing member 44 positioned on the upper and lower surfaces of the first guide bar 40a.

The other end of the rack 10 is fixed to the upper end of a fixed rack (not shown) having one end of a second guide bar 40b made of a bar having a predetermined length fixed to a wall surface or the like, A second fixing member 42b having a substantially "┓" shape is provided at a predetermined distance from the front surface of the second guide bar 40b, and the second fixing member 42b, A release preventing member 44 made of a pair of members is provided on the outer surface of the second fixing member 42b so as to be positioned on the upper and lower surfaces of the second guide bar 40b, Is installed and configured.

The release preventing member 44 has a substantially cylindrical or disk shape and is provided rotatably on the fixing members 42a and 42b.

In another embodiment of the present invention, a plurality of traveling members for moving the rack 10 in the forward and backward directions are provided below the respective racks 10 constituting the mobile rack, A wheel 30 made of a urethane material is applied.

That is, on the lower surface of each rack 10 for installing the urethane-made wheels 30, a plurality of roller mounting grooves 12 formed by being recessed at a predetermined depth along the forward and backward directions are formed, A rotary shaft 20 formed of a rod member having a predetermined length and provided with a plurality of wheels 30 through the installation groove 12 is rotatably installed along the left and right direction.

In the configuration of the guide means, a guide bar 40 having a predetermined length in the form of a bar is installed on one side or both outer side surfaces of the rack 10, And a fixing member 42 and a release preventing member 44 are provided on the outer side surface of the guide bar 40 so as to correspond to the guide bar 40.

The fixing member 42 has a substantially ┛-shaped or "-shaped shape and is spaced apart from the upper surface of the guide bar 40 by a predetermined distance (approximately several millimeters) And the release preventing member 44 is formed on the lower surface of the fixing member 42 so as to be positioned on both side surfaces of the guide bar 40. [

At this time, it is preferable that the release preventing member 44 is formed in a substantially cylindrical or disc shape and is rotatably installed on the lower surface of the fixing member 42.

Next, the operation of the present invention as described above will be described in detail as follows.

In order to move the mobile rack to which the traveling apparatus of the mobile rack according to the present invention is applied, the motor rack or the manual handle 50 for operating the electric or manual driving means provided at a certain point of the mobile rack ).

Accordingly, in one embodiment of the present invention, the main wheel 32 rotates in conjunction with the rotation shaft 20 in accordance with the rotation of the rotation shaft 20 associated with the electric or manual driving means, And the plurality of auxiliary wheels 34 are also rolled in conjunction with each other so that the rack 10 can be moved in the forward and backward directions.

At this time, when the rack 10 is moved in the forward and backward directions, the first and second fixing members 42a and 42b are provided at predetermined positions on the outer surface of the one side of the rack 10 and the other side of the upper side, The first and second guide bars 40a and 40b provided at the corresponding positions of the member 44 are moved and guided to move forward or backward smoothly and stably while preventing any deviation or conduction. It is possible to become.

In another embodiment of the present invention, the rotary shaft 20 is rotated in one direction or the reverse direction by an external force transmitted from the electric or manual driving means through the chain 52 and the sprocket 54, A wheel 30 made of a plurality of urethane materials provided on the rotating shaft 20 rotates in conjunction with the rotating shaft 20 and rolls forward or backward along the bottom surface. Movement in the backward direction can be made.

At this time, according to the characteristics of the wheel 30 made of the urethane material, the rack 10 can be smoothly and stably moved without generating little noise.

When the rack 10 is moved in the forward and backward directions, the release preventing member 44 provided on one side or both sides of the rack 10 via the fixing member 42 is provided with a guide bar 40 so that it can be smoothly and stably moved forward or backward while preventing any deviation or conduction.

      While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the scope of the appended claims.

10: rack, 12: roller mounting groove,
20: rotating shaft, 30: urethane wheel,
32: main wheels, 34: auxiliary wheels,
40: guide bar, 40a: second guide bar,
40b: second guide bar, 42: fixing member,
42a: a first fixing member, 42b: a second fixing member,
44: release preventing member, 50: handle,
52: Chain.

Claims (8)

A plurality of rollers for moving the rack in the forward and backward directions are installed at the bottom of each rack,
A plurality of roller mounting grooves formed at a predetermined depth along the forward and backward directions are formed in a lower portion of the rack,
A main wheel made of a urethane material is installed in a roller mounting groove located at one end or both ends of the plurality of roller mounting grooves so as to be interlocked with a rotating shaft associated with electric or manual driving means,
A pair of auxiliary wheels made of a urethane material are installed in the remaining roller mounting recesses in which the main wheels are not installed,
And a guide means for guiding the movement of the rack in the forward and backward directions is provided on one wall surface adjacent to the rack or at an upper end of the rack. The method according to claim 1,
Wherein the main wheel has a diameter larger than that of the auxiliary wheel and a pair of the pair of members is installed in a roller mounting groove through a pair of rotating shafts provided in parallel with each other with a predetermined distance therebetween Driving device of mobile rack. The method according to claim 1,
Wherein the guide means comprises:
A first guide bar made of a bar having a predetermined length and provided on one side wall adjacent to the rack,
A first fixing member which is formed in a shape of "┛" and which is provided at a lower side of one side of the outer surface of the rack in a state of being spaced apart from a front surface of the first guide bar,
And a release preventing member which is formed on the outer surface of the first fixing member and is located on the upper and lower surfaces of the first guide bar. The method according to claim 1,
Wherein the guide means comprises:
A second guide bar formed of a bar having a predetermined length and positioned at an upper end side of the rack with one end thereof fixed to the fixed rack,
A second fixing member formed in a shape of "┓" so as to be spaced apart from the front surface of the second guide bar at a side of the upper end of the rack,
And a release preventing member which is formed on the outer surface of the second fixing member and is disposed on the upper and lower surfaces of the second guide bar. The method according to claim 3 or 4,
Wherein the release preventing member is formed in a cylindrical shape and is rotatably installed on the lower surface of the fixing member. A plurality of rollers for moving the rack in the forward and backward directions are installed at the bottom of each rack,
A plurality of roller mounting grooves formed at a predetermined depth along the forward and backward directions are formed in a lower portion of the rack,
A rotating shaft formed of a rod member having a predetermined length in association with an electric or manual driving means is installed to be rotatable along the left and right direction through the plurality of roller mounting grooves,
Wherein a wheel made of a urethane material is installed on the rotary shaft in a state where the wheel is positioned in each of the roller mounting grooves,
And guide means for guiding the movement of the rack before and after the rack is provided on both sides of the rack. The method according to claim 6,
The rotary shaft is installed in parallel with a pair of members spaced apart from each other by a predetermined distance,
And a pair of wheels provided on the respective rotary shafts are arranged in the forward and backward directions in the respective roller mounting grooves. The method according to claim 6,
Wherein the guide means comprises:
A guide bar formed of a bar having a predetermined length and provided on both outer bottom surfaces of the rack,
A fixing member which is formed in a shape of "┛" or "┗" so as to be spaced apart from the upper surface of the guide bar at a lower side of both outer side surfaces of the rack,
And a release preventing member which is formed of a pair of members and is disposed on the lower surface of the fixing member, and which is positioned on both side surfaces of the guide bar.

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