KR102168945B1 - Hook type receivable stand chair with spacer - Google Patents

Abstract

In the present invention, the lower support frame on which the moving wheel is installed among the support frames of each stage is maintained so as not to be deformed despite a relatively long length, and at the same time, the lower support of each stage is kept spaced apart from each other at regular intervals. It relates to a hook-type retractable grandstand provided with a spacer so that linear movement can be stably guided.
In the hanging-type retractable grandstand equipped with a spacer according to an embodiment of the present invention, the grandstand chairs arranged in a plurality of stages are sequentially folded in multiple stages and kept in a received state, and are sequentially slid and drawn out in multiple stages only when in use. In the retractable grandstand to be deployed, a support frame each provided with a lower support having a channel shape with an open lower portion to support the grandstand chairs of each stage from a lower side and to install a moving wheel at both lower ends, and a lower support frame of the support frame A linear inner member that is provided on each side of the support frame to guide the linear movement of the support frame at each stage, and is provided inside the lower support frame of the support frame to prevent deformation of the lower support frame. And a spacer installed on the reinforcing member and protruding to the side of the lower support frame of the support frame, and spaced apart adjacent lower support frames at regular intervals when the support frames at each stage are slid.

Description

Hanging retractable grandstand with spacers{HOOK TYPE RECEIVABLE STAND CHAIR WITH SPACER}

The present invention relates to a retractable grandstand, and more particularly, to a retractable grandstand that is folded in multiple stages in normal times and maintained in a stored state, and is deployed while a plurality of grandstand chairs are sequentially slid and drawn out in multiple stages only when used. About.

In general, a theater, a performance hall, a gymnasium, a stadium, or an auditorium, etc., are provided in a stepped manner so that you can sit and watch a play, a movie, a performance, an athletic event, etc., and a plurality of grandstand chairs are provided in the stepped grandstand. It is installed according to the heat.

Among these grandstands, the retractable grandstands are configured such that the grandstand chairs composed of a plurality of stages are sequentially deployed or folded to enable efficient use of space in places such as a gymnasium, auditorium, various performance halls, halls, and event halls.

Retractable grandstands are normally folded in multiple stages and kept in a stored state, and only when used, the multi-level grandstand chairs are sequentially slid and unfolded in multiple stages, thereby securing space for use during normal use. The original function of the grandstand where the people of the audience can sit may be provided.

As an example of such a retractable grandstand, Korean Utility Model Publication No. 20-1999-0034948 (published on September 6, 1999) includes a fixed-side grandstand on which a plurality of sheets are installed, and a plurality of seats, respectively, and the lower portion of the fixed-side grandstand is installed. The movable-side grandstand of a plurality of floors overlapped with a plurality of floors, a driving means installed on the movable-side grandstand of the lowermost floor, a locking means configured on the fixed-side grandstand and the movable-side grandstand of each floor, and Disclosed is a retractable grandstand, characterized in that it comprises guiding means installed at a plurality of positions on the rear upper side of the frame of the movable grandstand.

In addition, Korean Patent Publication No. 10-2004-0084070 (published on Oct. 6, 2004) includes a retractable grandstand in which several movable grandstands stepped from the standard grandstand can appear and operate. A connecting pipe protruding on the same line as a horizontal bar, and a roller connected to the end of the connecting piece that is inclined upward and forward from the supporting part, and the supporting part is inserted into the connecting tube, and through the shaft hole skewed to the rear, the connecting tube is provided with a shaft bolt. A guide bracket composed of a connected height adjustment roller, a parallel guide part and a locking part protruding upward, and connected and fixed through a shaft bolt on the outside of the connection tube, and a guide bracket that is fastened to the connection tube through the through hole of the guide bracket, and adjusts the height when tightened. Disclosed is a retractable grandstand comprising a height adjustment bolt that adjusts the height of the roller by rotation of the roller, and an adjustment bolt that is fastened to a support piece of a vertical support and contacts the bottom of a horizontal bar.

In addition, Korean Patent Laid-Open No. 10-2009-0054577 (published on January 1, 2009) includes a support on both sides having a wheel on the bottom and having a locking bar on the front and rear sides, and fixed to the upper and rear surfaces of each of the base and the lower outer side. There is a support leg having a hook device, a mounting plate on which the rear side is fixed to the upper end of the support leg and several chairs are installed on the upper surface, and a rib for reinforcing the fixing of the mounting plate by connecting the mounting plate and the support leg. Prepare several unit grandstands to be composed of a moving unit grandstand, a fixed unit grandstand, and the first to third passive unit grandstands between the moving unit grandstand and the fixed unit grandstand, but gradually shorten the length of the supporting legs of each unit grandstand. Therefore, the height of the installation plate of each unit grandstand is different, and at the same time, the gap between the two sides of each unit grandstand is narrowed, so that the two sides of the upper unit grandstand are inserted sequentially between the two sides of the lower unit grandstand. do.

The above-described retractable grandstand is a hook (hook) that can be engaged with each other on the side of the lower support on which the moving wheel is installed among the support frames of each stage, so that the mutually straight movement can be guided when each stage is sliding with each other. A linear guide member of the form is installed.

However, in the case of the conventional hanging-type retractable grandstand, as the lower support having a relatively long length is bent or twisted due to excessive load application, the spacing of the lower support is not kept constant when each stage is slid and narrowed. There was a problem that damage or noise such as scratches is caused by being in contact with each other while being opened.

In addition, there was a problem in that the guide members in the form of hooks (hooks) for guiding the straight movement between the steps were not properly engaged with each other, thereby preventing the sliding movement of each step.

Patent Document 1: Korean Utility Model Publication No. 20-1999-0034948 (published on September 6, 1999) Patent Document 2: Korean Patent Publication No. 10-2004-0084070 (published on October 6, 2004) Patent Document 3: Korean Patent Publication No. 10-2009-0054577 (published on June 1, 2009)

Therefore, the present invention was conceived to solve the problems of the prior art, and the lower support frame of each stage, the lower support on which the moving wheel is installed, is maintained so as not to be deformed despite the relatively long length, and the lower support of each stage is It is based on the problem of providing a hanging hook-type retractable grandstand having a spacer so that linear movement of each stage by hooks can be stably guided as they are kept spaced apart from each other.

The object of the present invention described above is in the retractable grandstand seats that are sequentially folded in multiple stages and maintained in a stored state, and are then deployed while being sequentially slid and drawn out in multiple stages only when used, each stage. Support frames each provided with a lower support frame having a channel shape with an open lower part to support the grandstand chair from the bottom and to install a moving wheel at both lower ends, and a support frame at each stage provided on the side of the lower support frame of the support frame. A straight inner member for guiding the linear movement of the support frame at each stage during the sliding movement of the support frame, a reinforcing member provided inside the lower support of the support frame to prevent deformation of the lower support, and installed on the reinforcing member Protruding to the side of the lower support frame of the support frame and providing a hook-type retractable grandstand having a spacer, characterized in that it comprises a spacer that spaces adjacent lower support frames at regular intervals when the support frames of each stage slide. Achieved by

According to a preferred feature of the present invention, the support frame further includes a vertical support having a lower end connected to the lower support and an upper end connected to a lower portion of each stage where the grandstand chair is installed, and a horizontal support connecting the vertical support to each other. do.

According to a preferred feature of the present invention, a through hole for protruding the side surface of the spacer is formed in the lower support of the support frame.

According to a preferred feature of the present invention, the straight inner member is formed of a hook through which the lower side of the side of the lower support 11 is introduced.

According to a preferred feature of the present invention, the reinforcing member is formed as a square frame fixed inside the lower support of the support frame.

According to a preferred feature of the present invention, the spacer is installed between the upper and lower ends of the reinforcing member formed as a square frame.

According to a preferred feature of the present invention, the spacer is formed of a horizontal rotating roller installed to be horizontally rotated between the upper and lower ends of the reinforcing member.

According to the hanging-type retractable grandstand with a spacer according to the present invention, as a reinforcing member is installed inside the lower support of the support frame, the lower support on which the moving wheel is installed among the support frames of each stage is relatively long, While being maintained not to be deformed, the lower supports of each stage are kept at regular intervals by a spacer installed on the reinforcing member and protruding to the side of the lower support, while a straight line in the shape of a hook is moved by the inner member. There is an advantage that can be guided stably.

In addition, when the spacer is formed of a horizontal rotating roller that is installed to be horizontally rotated on the reinforcing member, as it is supported by the support frame of each stage and rolling motion is made, a straight line in the form of a hook is transferred by the spacer as well as the inner member. There is an advantage that the linear movement of the support frame can be guided more stably.

1 is a schematic structural diagram of a hook-type retractable grandstand having a spacer according to an embodiment of the present invention.
Figure 2 is a storage operation of the hook-type retractable grandstand with a spacer according to an embodiment of the present invention.
3 is a schematic structural diagram of a lower support in which a reinforcing member and a spacer are installed in a hanging-type retractable grandstand having a spacer according to an embodiment of the present invention.
4 is a view showing the installation structure of a reinforcing member and a spacer in a hanging-type retractable grandstand having a spacer according to an embodiment of the present invention.
5 is an operation view of the spacer during sliding movement of the lower support in the hook-type retractable grandstand with a spacer 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 for explaining in detail enough that a person of ordinary skill in the art can easily carry out the invention, and this does not mean that the technical spirit and scope of the present invention are limited.

In the hanging-type retractable grandstand 1 provided with a spacer according to an embodiment of the present invention, the grandstand chairs arranged in a plurality of stages are sequentially folded in multiple stages and kept in a storage state, and only when in use, the grandstands are sequentially sliding in multiple stages. As shown in Figs. 1 to 5, the lower end having a channel shape with an open lower part so that the grandstand chairs of each stage 3 are supported from the lower side and the moving wheels 13 are installed at the lower ends of both sides. Support frames 10 each provided with a support 11, and each stage is provided on the side of the lower support 11 of the support frame 10 so as to slide the support frame 10 of each stage 3 ( Reinforcement to prevent deformation of the lower support 11 by being provided inside the linear transfer inner member 20 to guide the linear movement of the support frame 10 of 3) and the lower support 11 of the support frame 10 The member 30 and the reinforcing member 30 are installed to the side of the lower support 11 of the support frame 10 and protrude to the side of the support frame 10. It includes spacers 40 spaced apart at regular intervals.

Here, the support frame 10 is a constituent member supporting each stage 3 so that a plurality of grandstand chairs are installed in multiple stages at a predetermined height apart from the support surface from the bottom.

The support frame 10 is provided at the lower ends of both sides of the support frame 10 and has a lower support 11 having a channel shape with an open lower part so that the moving wheel 13 is installed, and the lower end is connected to the lower support 11 It includes a vertical support 15 connected to the upper end of each stage 3 in which the grandstand chair is installed, and a horizontal support 17 connecting both vertical supports 15 in the transverse direction.

As shown in FIG. 3, the lower support 11 is formed with a through hole 11a for protruding the side of the spacer 40 to be described later, and the vertical support 15 is a multi-level step of each stage 3 As it goes in one direction to form a structure, it increases at a certain height interval.

In addition, the support frame 10 may further include an inclined support connecting the vertical support 15 and the horizontal support 17 to each other according to the embodiment.

The overall configuration of the support frame 10 applied to the hanging-type retractable grandstand 1 having a spacer according to an embodiment of the present invention includes a through hole 11a for protruding the side of the spacer 40 at the bottom support ( It is the same as the support frame of a general retractable grandstand except that it is formed in 11), so further detailed description will be omitted here for the sake of simplification of the specification.

On the side of the lower support 11 of the above-described support frame 10, a straight inner member 20 is provided, respectively. The linear transfer inner member 20 is a constituent member that serves to guide the linear movement of the support frame 10 of each stage 3 when the support frame 10 of each stage 3 slides.

In particular, as shown in FIG. 3, the straight inner member 20 is preferably formed of a hook through which the lower side of the side of the lower support 11 adjacent to the sliding movement of the support frame 10 of each stage 3 is introduced. Do.

Since the hook-shaped straight inner member 20 is also the same as the support frame of a general retractable grandstand, further detailed description will be omitted here for the sake of simplification of the specification.

A reinforcing member 30 is provided inside the lower support 11 of the support frame 10 described above. The reinforcing member 30 is provided inside the lower support 11 of a channel shape with an open lower part to maintain a constant width of the lower support 11 having a channel shape so that the moving wheel 13 can be smoothly rotated. It is a constituent member that serves to prevent deformation, such as bending or twisting, from occurring in the lower support 11 of a relatively long length.

As shown in FIGS. 3 and 4, the reinforcing member 30 is preferably formed of a square frame in which both ends are fixed to the inside of the lower support 11 of the support frame 10. The reinforcing member 30 in the form of a square frame may provide a relatively strong deformation preventing force against an external force applied from all directions by forming a perfect square cross-section without a cutout in the lower support 11.

As the lower support 11 of the support frame 10 is kept in a straight line without bending or twisting by the reinforcing member 30, the support frame 10 is moved when the support frame 10 of each stage 3 slides. The linear movement may be maintained under interaction with the inner member 20 during the linear movement.

The reinforcing member 30 formed of a square frame is preferably installed inside the lower support 11 so that both open ends are in contact with both inner surfaces of the lower support 11. At this time, one open end of the reinforcing member 30 formed in a square frame communicates with the through hole 11a of the lower support 11 for the side configuration of the spacer 40.

It is preferable that both ends of the reinforcing member 30 are integrally bonded to the inside of the lower support 11 of the support frame 10 by welding or the like, but according to the embodiment, the lower support 11 of the support frame 10 It can also be forced into the inside of.

Spacers 40 are installed on the reinforcing member 30 described above. The spacer 40 protrudes through the side of the lower support 11 of the support frame 10 to a predetermined length, such as 10 mm, and is adjacent to the lower support when the support frame 10 of each stage 3 slides. A reinforcing member (30) provided in the lower support (11) is not installed on the side of the lower support (11), but serves to keep the adjacent lower support (11) spaced at regular intervals as it contacts (11). ) Is installed.

The spacer 40 is installed between the upper and lower ends of the reinforcing member 30 formed as a square frame, and in particular, as shown in FIGS. 3 to 5, the horizontally rotatably installed between the upper and lower ends of the reinforcing member 30 It is preferably formed of a rotary roller. At this time, the shaft 41 of the spacer 40 is installed over the upper and lower ends of the reinforcing member 30 formed in a square frame.

The spacer 40 formed of a horizontal rotating roller is an enlarged view of FIG. 3 and the lower support 11 of the support frame 10 of each stage 3 when sliding of each stage 3 as shown in FIG. As it is supported in close contact with the side, the spacing of the lower support 11 of the support frame 10 of each stage 3 is kept constant.

In addition, the spacer 40 formed of a horizontal rotating roller is a shaft (as shown in the enlarged view of Fig. 3 and Fig. 5) by the frictional force according to the linear movement of the adjacent lower support 11 during the sliding movement of each stage 3 As the rolling movement is performed while horizontally rotating around 41), the linear movement of the support frame 10 of each stage 3 can be guided more stably under the interaction of the hook-shaped straight line with the inner member 20. have.

In the hanging-type retractable grandstand 1 provided with a spacer according to an embodiment of the present invention described above, the grandstand chairs arranged in a plurality of stages 3 are sequentially folded in multiple stages and kept in a storage state, but only when used. It is developed by sliding and drawing out in series in multiple stages.

In this case, as the reinforcing member 30 is installed inside the lower support 11 of the support frame 10, the lower support 11 on which the moving wheel 13 is installed among the support frames 10 of each stage 3 ) Is maintained so as not to be deformed despite its relatively long length, and at the same time, each end (3) by spacers 40 that are installed in the reinforcing member 30 and protrude laterally through the through holes 11a of the lower support 11 There is an advantage that the straight line movement of each end 3 by the hook-shaped inner member 20 can be stably guided while the lower supports 11 are kept spaced apart from each other at regular intervals.

In addition, when the spacer 40 is formed of a horizontal rotating roller installed to be horizontally rotated on the reinforcing member 30, it is supported by the lower support 11 of the support frame 10 adjacent to each stage 3 when sliding. As a result of the rolling movement, the linear movement of the support frame 10 of each stage 3 can be guided more stably by the spacer 40 as well as the hook-shaped linear movement inner member 20.

Although the embodiments have been exemplarily described above, the fact that the present invention can be embodied in various forms without departing from the spirit and scope thereof is obvious to those of ordinary skill in the art. Accordingly, the above-described embodiments should be regarded as illustrative rather than restrictive, and all implementations within the scope of the appended claims and their equivalents will be included within the scope of the present invention.

1: Hanging retractable grandstand with spacers
3: stage
10: support frame
11: lower support
11a: through hole
13: moving wheel
15: vertical support
17: horizontal support
20: inside the straight line
30: reinforcing member
40: spacer
41: axis

Claims (7)

In the retractable grandstand, wherein the grandstand chairs arranged in a plurality of stages are sequentially folded in multistage and maintained in a stored state, and then are sequentially slid and drawn out in multistage only when used,
A support frame 10 provided with a lower support 11 having a channel shape with an open lower portion to support the grandstand chairs of each stage 3 from the lower side and to install the moving wheels 13 at both lower ends;
It is provided on the side of the lower support 11 of the support frame 10 to guide the linear movement of the support frame 10 of each stage 3 when the support frame 10 of each stage 3 slides. A straight line inner member 20;
A reinforcing member 30 provided inside the lower support 11 of the support frame 10 to prevent deformation of the lower support 11; And
It is installed on the reinforcing member 30 and protrudes to the side of the lower support 11 of the support frame 10, and when the support frame 10 of each stage 3 slides, the adjacent lower support is spaced at regular intervals. Including a spacer 40 to make,
The reinforcing member 30 is formed as a square frame fixed inside the lower support 11 of the support frame 10,
The spacer 40 is a hook-type retractable grandstand having a spacer, characterized in that it is installed between the upper and lower ends of the reinforcing member 30 formed as a square frame.
The method according to claim 1,
The support frame 10 has a vertical support 15 having a lower end connected to the lower support 11 and an upper end connected to a lower portion of each stage 3 in which the grandstand chair is installed, and the vertical support 15 Hook-type retractable grandstand with a spacer, characterized in that it further comprises a connecting horizontal support (17).
The method according to claim 1,
A hook-type retractable grandstand with a spacer, characterized in that a through hole (11a) for protruding the side of the spacer (40) is formed in the lower support (11) of the support frame (10).
The method according to claim 1,
The straight inner member 20 is a hook-type retractable grandstand having a spacer, characterized in that formed as a hook through which the lower side of the lower end of the lower support 11 is introduced.
delete delete The method according to claim 1,
The spacer 40 is a hook-type retractable grandstand with a spacer, characterized in that formed of a horizontal rotating roller installed to be horizontally rotated between the upper and lower ends of the reinforcing member (30).

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