KR20200016144A - Omnidirectional stand chair - Google Patents

Abstract

The present invention relates to an omnidirectional movable stand which allows a multi-folded stand body to be easily lifted and at the same time, easily moved in every direction, thereby increasing the convenience in transportation. According to the present invention, the omnidirectional movable stand is a stand in which a plurality of stages are kept in a multi-folded state and unfolded in succession to multiple stages in a sliding manner only when used. The omnidirectional movable stand comprises: a stand body in which each of stages is supported by a vertical support from the bottom, a lower end support having a movable wheel is connected to a lower end of the vertical support to slide gradually back and forth, and a back support frame is installed over the lower end support of a fixed stage of the stages; a fixed frame whose back end portion is fixed to the back support frame of the stand body; an omnidirectional transport unit installed at a lower portion of the fixed frame to be movable up and down, and having an omnidirectional wheel on a lower surface capable of traveling in all directions; and a cylinder mechanism interposed between the fixed frame and the omnidirectional transport unit to move the omnidirectional transport unit up and down relative to the fixed frame.

Description

Omnidirectional mobile seats {OMNIDIRECTIONAL STAND CHAIR}

The present invention relates to a grandstand, and more particularly, to a retractable grandstand that is unfolded in a multi-stage chain in a normal state and maintained while being stored while a multi-stage grandstand chair is serially slid out in multiple tiers. .

Generally, seats are provided in a stepped manner so that a seat, a theater, a performance hall, a gymnasium, a stadium, or an auditorium can be seated and watch a play, a movie, a performance, an athletic event, etc. Installed in rows.

Among these grandstands, the retractable grandstand is configured so that a grandstand chair composed of a plurality of stages can be sequentially deployed or folded in order to enable efficient use of space in a gymnasium, auditorium, various performance halls, halls, event venues, and the like.

The retractable grandstand is normally folded and chained in multiple stages to remain stored, but the multi-stage grandstand chairs are unfolded in a series of sliding drawers in multiple stages only, so that space for use can be secured during normal use. The original function can be provided that can be seated by a person.

As an example of such a retractable grandstand, the Republic of Korea Utility Model Publication No. 20-1999-0034948 (published on September 6, 1999) discloses a fixed side grandstand with multiple sheets installed, and a plurality of sheets, respectively, and the lower side of the fixed side grandstand. A plurality of floors of movable side grandstands superimposed on a plurality of floors, driving means installed on the lower side of the movable side grandstands, fixed means of grandstands and locking means comprised of movable side grandstands of each floor, Disclosed is a retractable grandstand characterized in that it comprises guide means respectively installed in a plurality of places on the rear side of the frame of the movable side grandstand.

In addition, Korean Patent Publication No. 10-2004-0084070 (published on October 6, 2004) discloses a retractable grandstand in which several movable grandstands stepped out of the standard grandstand are arranged to be able to move in and out. The connecting pipe is formed on the same line as the horizontal bar, and the roller is connected to the end of the connecting piece which is inclined upwardly from the supporting part, and the supporting part is inserted into the connecting body so that the supporting part is fitted into the connecting body and the shaft hole is biased backwards. The guide bracket is composed of a height adjustment roller connected to the side, and the guide portion and the engaging portion protruded upward and fixed to the outer side of the connecting pipe through the axial bolt, and fastened to the connecting pipe through the through hole of the guide bracket to loosen and adjust the height when tightening It is fastened to the height adjusting bolt to adjust the height of the roller by the rotation of the roller and the supporting piece of the vertical support part. Disclosed is a retractable grandstand characterized by comprising an adjustment bolt in contact with the bottom of the lateral bar.

In the case of the above-mentioned retractable grandstand, it must be easy to move in a multi-stage folded state. In this case, the wheels guiding the multi-stage folding of each stage are arranged in a straight line along a multi-stage folding direction having a relatively long width to change direction. As the radius of rotation increases in city, it is not only difficult to change direction in a narrow space, but also difficult to pass through doors such as relatively small gymnasiums, auditoriums, various performance halls, halls, and event halls.

In order to solve this problem, Korean Patent Laid-Open No. 10-2013-0084034 (2013.07.24) includes a support for supporting a retractable audience, a fixed frame coupled with the support, and a pivotable frame. It is fastened so as to include a rotating frame for guiding the shift direction of the retractable grandstand, the support portion is coupled to the fixed frame and the retractable grandstand in contact with the load of the retractable grandstand and Disclosed is a moving direction switching guide device of a grandstand having a contact rotating part fastened to the engaging part so as to be rotatable based on the engaging part.

In addition, the Republic of Korea Patent Publication No. 10-2013-0084035 (published on July 24, 2013) is a grandstand conveying device that is connected to the movement direction switching guide of the grandstand as described above to generate a driving force for transporting, the driving force for the movement of the grandstand Disclosed is a grandstand transport apparatus including a drive motor for providing a magnetic clutch connected to the drive motor to connect the drive motor, and a magnetic clutch to disconnect the connection with the drive motor when the drive motor is stopped. .

However, in the case of the above-mentioned grandstand carrying apparatus, a pallet-type support for lifting a multi-stage folded grandstand body and a vehicle-type transporter for carrying a grandstand main body connected to a pallet-type support are provided. Since it was necessary, the transport work of the grandstand was very troublesome.

Patent Document 1: Republic of Korea Utility Model Publication No. 20-1999-0034948 (published Sep. 06, 1999) Patent Document 2: Republic of Korea Patent Publication No. 10-2004-0084070 (published October 6, 2004) Patent Document 3: Republic of Korea Patent Publication No. 10-2013-0084034 (2013.07.24)

Therefore, the present invention has been made to solve the above-mentioned problems of the prior art, the multi-stage folded grandstand body can be easily lifted and moved easily in the front, rear, left and right directions to increase the convenience of carrying It is based on the task of providing an omnidirectional grandstand.

The object of the present invention described above, in the grandstand that is maintained while the plurality of stages are kept in a multi-stage folded state, the slide is drawn out in multiple stages only in use, each stage is supported from the bottom by a vertical support and the vertical support The lower end of the support is provided with a lower support for the movable wheel is connected to the multi-stage sliding movement in the front and rear direction and the rear seat frame body is installed over the lower support of the fixed end of each stage, and the rear support of the grandstand body A fixed frame having a rear end fixed to the frame, an omnidirectional conveying unit installed at a lower portion of the fixed frame, and having an omnidirectional wheel installed at a lower surface thereof, and capable of traveling in all directions; A cylinder interposed between the transport units to move the omnidirectional transport unit with respect to the fixed frame. The forward movable bleacher comprising the mechanism is achieved by providing.

According to a preferred feature of the present invention, the fixing frame is provided with a downward bending plate on both sides and the downward bending plate is formed through the guide hole for guiding the shangdong of the omni-directional conveying unit.

According to a preferred feature of the present invention, the omni-directional conveying unit is connected to both ends of the base frame and the base frame, the guide frame is inserted into the guide hole, the base frame and the support plate protrudes on one side; It includes an omnidirectional wheel rotatably installed at the bottom of the base frame.

According to a preferred feature of the invention, the omnidirectional wheel is formed of a high load caster.

According to a preferred feature of the invention, the cylinder mechanism is formed of a hydraulic cylinder seated on the support plate of the connection support plate.

According to the omni-directional movable grandstand according to the present invention, the multi-folded grandstand body is easily lifted while the omnidirectional transport unit moves downward with respect to the multi-folded grandstand body by the operation of the hydraulically actuated cylinder mechanism. As the grandstand body, which is multi-stage folded by the omni-directional wheel provided in the omni-directional carrying unit, can be easily moved in the front, rear, left and right directions, the convenience of carrying is increased.

1 is a bottom perspective view of a multi-stage folding of an omnidirectional movable grandstand according to an embodiment of the present invention.
Figure 2 is an exploded perspective view of the omni-directional transport unit in the omni-directional movable grandstand according to an embodiment of the present invention.
3 is an operation of the omni-directional transport unit in the omni-directional movable grandstand according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, this is to explain in detail enough to easily practice the invention having ordinary knowledge in the art to which the present invention belongs, and this does not mean that the technical spirit and scope of the present invention is limited.

The omni-directional movable grandstand according to the embodiment of the present invention is a retractable grandstand that is normally developed while being pulled out in a series of sliding stages only when the plurality of stages 11 for the grandstand are kept folded in multiple stages, As shown in Figure 1 and 2, each end 11 is supported from the bottom by the vertical support 13, the lower support 15, the movement wheel 17 is installed at the lower end of the vertical support 13 Is provided in the front and rear direction is connected to the multi-stage sliding movement and the rear support frame 19 is installed over the lower end support 15 of the fixed end of each end 11 and the grandstand body ( A fixed frame 20 having a rear end fixed to the rear support frame 19 of 10), and a forward wheel 35 which is installed in the lower portion of the fixed frame 20 so as to be movable and moves forward in the lower surface. Omnidirectional fortune is installed A cylinder mechanism 40 interposed between the half unit 30 and the fixed frame 20 and the omnidirectional conveying unit 30 to move the omnidirectional conveying unit 30 with respect to the fixed frame 20. It includes.

Here, the grandstand body 10 is to form a multi-stage folding frame for the omni-directional movable grandstand according to an embodiment of the present invention, to form a grandstand itself or to allow a plurality of grandstand chairs are installed in multiple stages Each end 11 has a configuration that is supported at a predetermined height from the bottom by each vertical support (13).

The vertical support 13 is connected to the lower end of the lower end of each stage 11 for the grandstand 11 is connected to the lower end of the lower support 15 to be described later, each stage 11 is installed spaced apart from each other.

In addition, the lower end of the vertical support (13) is provided with a lower support (15) is connected in a multi-stage sliding movement in the front and rear direction. The lower supporter 15 forms a lower base of each end 11 and forms an installation frame of the moving wheel 17 for sliding forward and backward of each end 11. The lower part has an open channel shape to be installed for easy installation.

In addition, the rear support frame 19 is installed over the lower end support 15 of the fixed end that is not sliding back and forth among each end (11). The rear support frame 19 is a kind of stopper for supporting the rear surface of the lower supporter 15 provided at the moving end, which is slidably moved forward and backward, in each stage 11 so that each end is no longer slid backward. At the same time to form a mounting frame of the fixed frame 20 to be described later and at the same time, has a rectangular bar shape extending in the left and right direction.

The rear end of the fixed frame 20 is fixed to the rear support frame 19 of the above-described grandstand body 10. The fixed frame 20 is an omnidirectional conveying unit such that the lower end of the omnidirectional wheel 35 of the omnidirectional conveying unit 30 to be described later is located above or below the lower end of the moving wheel 17 of the grandstand body 10. Corresponds to (30), the guide for guiding Shanghai.

Downward bending plate 21 is provided on both sides of the fixing frame 20 and the downwardly bending plate 21 is forwardly transporting unit 30 so that the shanghaidong of the omnidirectional transport unit 30 can be guided by the fixed frame 20. The guide hole 23 through which the upper and lower limits of the Shanghai dong are set while guiding the shanghai dong is formed. In the guide hole 23 formed in the downward bending plate 21, the guide projection 31a of the forward conveying unit 30, which will be described later, is fitted and coupled.

The omni-directional conveying unit 30 is installed in the lower portion of the above-described fixing frame 20 to be movable. The omni-directional conveying unit 30 is to allow the multi-stage folded grandstand body 10 to be moved in all directions including front, rear, left and right, and is normally maintained in a state of being moved upwards with respect to the fixed frame 20. When transporting the omnidirectional movable grandstand according to an embodiment of the present invention is moved to the lower side with respect to the fixed frame 20, the multi-stage folded grandstand body 10 is slightly lifted upwards to the bottom of the moving wheel 17 Away from it.

The omni-directional conveying unit 30 is integrally connected to both ends of the base frame 31 and the base frame 31 on which the guide protrusion plate 31a inserted into the guide hole 23 is formed, and on one side of the support plate 33a. ) May include a connecting support plate 33 protruding from the base frame 31 and an omnidirectional wheel 35 rotatably installed at the lower end of the base frame 31.

The base frame 31 is installed side by side adjacent to each other and preferably comprises two square pipes, both ends of which are integrally connected to each other by a connecting support plate 33.

In addition, the connection support plate 33 corresponds to a support for the installation of the cylinder mechanism 40 to be described later, the both ends of the base frame 31 having two square pipes that are installed side by side can be fixed integrally One side of the straight plate has a configuration in which the support plate (33a) is mounted to the cylinder mechanism 40 is installed and protrudes, the vertical plate penetrates the hydraulic pipe through which the supply and discharge pipe of the fluid for the operation of the cylinder mechanism 40 The ball 33b is penetrated.

The omnidirectional wheel 35 is formed as a caster capable of rotating and rolling in all directions, and is preferably formed as a high load caster so as to support the total load of the grandstand body 10. Casters are known in a variety of fields, including mobile carts and carts, such as, for the sake of brevity of the description, further description will be omitted.

The cylinder mechanism 40 is interposed between the fixed frame 20 and the omnidirectional transport unit 30 described above.

The cylinder mechanism 40 changes the length between the fixed frame 20 and the omni-directional conveying unit 30 through its extension or expansion, thereby moving the omni-directional conveying unit 30 up and down with respect to the fixed frame 20. It serves to move, it is preferable that the lower end corresponding to the cylinder is fixed on the support plate (33a) of the connection support plate 33 and the upper end corresponding to the piston is formed of a hydraulic cylinder fixed to the fixed frame (20) Do.

3 is an operation of the omni-directional transport unit in the omni-directional movable grandstand according to an embodiment of the present invention. Hereinafter, referring to FIGS. 1 to 3, the shanghai-dong of the omnidirectional conveying unit 30 by the cylinder mechanism 40 is as follows:

Normally, the cylinder mechanism 40 is kept in a stretched state, in which case the omnidirectional transport unit 30 is kept moved upward with respect to the fixed frame 20 as shown in the upper drawing of FIG. Accordingly, the lower end of the omnidirectional wheel 35 of the omnidirectional transport unit 30 is located at the same height or upper end as the lower end of the moving wheel 17 of the grandstand body 10. In this case, as the moving wheel 17 of the grandstand body 10 comes into contact with the ground, each stage 11 of the grandstand body 10 may be developed in multiple stages.

When transport is required in the state in which the grandstand body 10 is folded in multiple stages, the cylinder mechanism 40 is elongated by the supply of hydraulic pressure, in this case, as shown in the lower view of FIG. As the 30 is moved downward with respect to the fixed frame 20, the lower end of the omnidirectional wheel 35 of the omnidirectional transport unit 30 is lower than the lower end of the movable wheel 17 of the grandstand body 10. Positioned, the grandstand body 10 is slightly lifted from the ground. In this case, as the omnidirectional wheel 35 of the omnidirectional transport unit 30 comes into contact with the ground, the multi-stage folded grandstand body 10 may be moved in any direction from front to rear, left and right.

Although the embodiments have been described above by way of example, it will be apparent to those skilled in the art that the present invention may be embodied in many other forms without departing from the spirit and scope thereof. Accordingly, the described embodiments are to be considered as illustrative and not restrictive, and all embodiments within the scope of the appended claims and their equivalents shall be included within the scope of the present invention.

10: the grandstand body
11: sweet
13: vertical support
15: lower support
17: moving wheel
20: fixed frame
21: downward bending plate
23: guide ball
30: forwarding unit
31: base frame
31a: Guide protrusion
33: connection support plate
33a: support plate
33b: hydraulic pipe through hole
35: omnidirectional wheel
40: cylinder mechanism

Claims (5)

In the grandstand that is maintained while the plurality of stages are kept folded in multiple stages, the slide unfolds in multiple stages only when used,
Each end 11 is supported at the bottom by the vertical support 13, and the lower support 15, on which the movement wheel 17 is installed, is connected to the lower end of the vertical support 13 so as to slide in multiple directions in the front-rear direction. A grandstand seat body 10 having a rear support frame 19 installed on the lower end support 15 of the fixed end of each end 11;
A fixed frame 20 having a rear end fixed to the rear support frame 19 of the grandstand body 10;
An omnidirectional conveying unit 30 installed in the lower portion of the fixed frame 20 and having an omnidirectional wheel 35 capable of traveling in all directions on a lower surface thereof; And
It is characterized in that it comprises a cylinder mechanism 40 which is interposed between the fixed frame 20 and the omnidirectional conveying unit 30 to move the omnidirectional conveying unit 30 with respect to the fixed frame 20. Omnidirectional bleachers.
The method according to claim 1,
The fixing frame 20 is provided with a downward bending plate 21 on both sides and the downward bending plate 21 is formed through the guide hole 23 for guiding the shangdong of the omni-directional conveying unit 30 The omni-directional movable grandstand.
The method according to claim 2,
The omnidirectional conveying unit 30 is integrally connected to both ends of the base frame 31 and the base frame 31 to which the guide projection plate 31a inserted into the guide hole 23 is formed, The support plate 33a protruding from the support plate 33, and the omni-directional movable grandstand, characterized in that it comprises an omnidirectional wheel (35) rotatably installed at the lower end of the base frame (31).
The method according to claim 3,
The omni-directional wheel 35 is an omni-directional movable grandstand, characterized in that formed of a high load caster.
The method according to claim 3,
The cylinder mechanism 40 is omni-directional movable grandstand, characterized in that formed by a hydraulic cylinder seated on the support plate (33a) of the connection support plate (33).

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