KR100636741B1 - An open/closing device for sliding cover-board - Google Patents

Abstract

An opening and closing device for a sliding cover-board is provided to open and close simultaneously both cover-boards using one driving motor and to open entirely a white board so as to use the whole white board though the most width of an indoor wall surface is less than two times of width of the white board. The opening and closing device for a sliding cover-board comprises a left and a right cover-board(40,40') comprising divided boards(40a,40b,40c,40d) respectively divided into the plural number, a bottom part of the divided boards slidably installed on a lower rail installed parallel, and a top part of the divided boards connected to a wire rope(60) installed to be forwardly and reversely rotated in a caterpillar type by a driving motor(50) by brackets for traction(70,70'), thereby the left and right divided boards are opened and closed symmetrically and simultaneously.

Description

Sliding cover board opening and closing device {An Open / closing device for sliding cover-board}

1 is a perspective view and an enlarged view of a main part of the coverboard closed state showing the overall configuration of the sliding coverboard opening and closing device according to the present invention;

Figure 2 is a perspective view showing a state in which the cover board is completely open in the sliding cover board opening and closing apparatus according to the present invention,

Figure 3 is an enlarged front view and main portion of the sliding cover board opening and closing device according to the present invention,

4 is a plan view and main portion enlarged view of the sliding cover board opening and closing device according to the present invention;

Figure 5 is a side cross-sectional view and main portion enlarged view of the sliding cover board opening and closing device according to the present invention.

* Explanation of symbols for main parts of the drawings

10: white board 20: lower rail

30: upper rail 40,40 ': cover board

40a, 40b, 40c, 40d: Split board 42, 44, 46: Tow jaw

42a, 44a, 46a: shock absorbing pad 50: drive motor

60: wire rope 60a: towing unit

60b: relaxation part 62: U bolt

70,70 ': Towing bracket 72,72', 74,74 ': Doorcar

80: driven pulley 82: driven pulley

83: tension adjusting screw 84: upper frame

86: lower frame 88: front frame

The present invention relates to a sliding cover board opening and closing device for a white board (blackboard) to be embedded in the wall, in detail, the cover board is installed on the front of the white board (blackboard) installed in the enterprise, government offices, schools (school), etc. The left and right sides of the interior wall can be opened and closed, but the maximum width of the interior wall is not twice that of the white board (blackboard) to prevent the coverboard from being fully opened due to insufficient storage space on the side. The cover board is made of two or more sliding type split boards, respectively, and it is used to make the chain opening and closing operation in a sliding manner by using a wire rope that rotates forward and backward by an endless track by a drive motor.

In general, a white board (blackboard) is installed inside the wall to use the space for various purposes in auditoriums, conference rooms, or classrooms of corporations, government offices, schools (schools), etc. If not used, close the coverboard and use it as a stage.

In the case of the embedded whiteboard, when the maximum width of the indoor wall is not twice that of the whiteboard (blackboard), when the coverboard is opened, the storage space of the side is insufficient and the whiteboard cannot be used sufficiently. In order to solve this problem, the width of the white board must be reduced to less than half the width of the wall or the cover board should be manufactured in a folding type. There was a problem.

Applicants investigated by the present applicant as a related art related to the present invention, the 'opening and closing sliding blackboard' of Utility Model Publication No. 1995-00006562, and the transfer device of the sliding sliding blackboard of Utility Model Publication No. 1996-0008649 are disclosed, but these prior art No method or structure has been proposed to completely open the coverboard when the board is wider than the width of the wall.

Further, as a technique related to the electric switchgear, a subsidiary drive device of an open / close board of Utility Model Registration No. 0418786 using a rack-pinion method is disclosed.

The present invention has been made in order to solve the above-mentioned conventional problems, the object of the present invention is a white board embedded in the wall installed in the enterprise, government offices, schools (school), etc., the maximum width of the interior wall surface white board Electric sliding to open and close the entire whiteboard (blackboard) when the coverboard is open, even if less than twice the blackboard, and to open and close the coverboard on the left and right at the same time by using one drive motor. The present invention provides a coverboard switchgear.

In order to achieve the above object, the present invention provides a cover board which is installed to be opened and closed in a sliding manner on a lower rail on the front left and right sides of a white board (blackboard) installed on a wall; The left and right cover boards are each divided into a plurality of split boards, and the lower part of the split board is slidably installed on the lower rails installed in parallel, and the upper and lower part of the left and right split boards are infinitely driven by a driving motor. It provides a sliding cover board opening and closing device for a white board that is connected to the wire rope installed to orbitally rotate in a tracked manner to be opened and closed symmetrically at the same time.

In a preferred embodiment of the present invention, the left and right splitting boards are made of a first splitting board and a second splitting board of the outside, and a towing bracket is formed in an endless orbital manner on the inside of the first splitting board. It is connected to the traction side and the relaxation side (when referring to the driving motor), respectively, and at the same time, the opening and closing operation is symmetrically performed. Traction jaw is provided to pull the lead.

In a preferred embodiment of the present invention, the towing bracket is further provided with a door car so as to slide along the upper rail so that a smooth sliding opening and closing operation can be made despite the load of the cover board.

In the present invention, the second split board is installed to be slidable between the upper and lower rails without being connected to the wire rope, and the opening and closing operation is performed by the traction force of the first split board.

Hereinafter, with reference to the accompanying drawings, preferred embodiments that do not limit the present invention will be described in detail.

1 to 5 illustrate a sliding cover board opening and closing device according to an embodiment of the present invention, in this embodiment, a white board (blackboard; 10) having a 5 m width inside a building having a left and right width of an indoor wall of 8 m in the embodiment; Shows the status of installed.

In the present embodiment, the front and rear cover boards 40 and 40 'of the left side and the right side between the lower rail 20 and the upper rail 30 are installed in a sliding manner, respectively. The left and right cover boards 40 and 40 'each consist of two divided boards 40a and 40b and 40c and 40d, respectively.

The cover boards (40, 40 ') are connected to the wire rope (60) installed to rotate forward and backward in an endless orbit by a drive motor (50) fixed on one side of the cover board (70, 70') at the same time, It is designed to open and close symmetrically.

In other words, the left and right cover boards 40 and 40 'are formed of an inner first split board 40a and 40c and an outer second split board 40b and 40d, respectively. Traction side 60a (rear part in FIG. 4) and relaxation side 60b (in FIG. 4) of the wire rope 60 in which the towing brackets 70 and 70 'are provided in a caterpillar manner on the respective split boards 40a and 40c. And the driving motors 50 are rotated in the clockwise direction, and the cover boards 40 and 40 'are opened and closed when the drive motors are rotated in the clockwise direction.

The drive motor 50 may be operated manually in a control panel (not shown) as a geared motor or remotely using a wireless remote controller.

Since the forward and backward operating method of the driving motor 50 is a well-known technique that can be easily carried out by those skilled in the art to which the present invention belongs, a detailed description thereof will be omitted.

Reference numeral 62 in the figure is a U bolt for fixing the towing brackets 70, 70 'to the wire rope 60.

In addition, in the present invention, the first split boards 40a and 40c and the second split boards 40b and 40d are respectively operated by sliding the first split boards 40a and 40c in a second split board 40b. Traction jaw (42, 44, 46) is provided to pull the 40d, the pull jaw (42, 44, 46) is one side end of the first split board (40a, 40c) (right side in the drawing Protrudes forward), and protrudes rearward on both left and right ends of the second split board.

The tow jaws 42, 44, and 46 are preferably attached at about three positions of the upper, middle, and lower portions of one side end or both side ends, and the buffer pads 42a, 44a as shown in the enlarged main part of FIG. And 46a) to prevent noise from being bumped against each other.

On the other hand, the towing brackets 70 and 70 'are further provided with a door car 72 and 72' so as to slide along the upper rail 30 so that the sliding opening and closing operation is smooth despite the load of the cover boards 40 and 40 '. This is to be done.

In addition, the doors 74 and 74 'are provided at the lower portions of the cover boards 40 and 40' so as to perform a smooth sliding operation on the lower rail 20.

In the drawings, reference numerals 80 and 82 are driving pulleys and driven pulleys, respectively, 84 and 86 are upper and lower frames for supporting upper and lower rails, respectively, and 88 is a front frame of a white board. The driven pulley 82 is configured to move the fixed position to the left and right by the tension adjusting screw 83 of the wire rope 60 installed in an orbital state between the driving pulley 80 and the driven pulley 82. Tension can be adjusted appropriately.

In the above-described embodiment, only the division board is composed of two, but the present invention is not limited thereto, and the division board may be divided into three or more. In this case, the tow jaw as described above is appropriately disposed. Each divider board is to be opened or closed while being pushed or pulled in series.

In the present invention configured as described above, when the cover boards 40 and 40 'are opened, the split boards 40a and 40b and 40c and 40d are sequentially opened to be stored in the wall so that the inner white When the board 10 can be used over the entire width, and the lecture or seminar is finished, or when the interior space is to be used for other purposes, the partition that is stored inside the wall is closed by closing the front cover board (40, 40 '). Since the boards 40a, 40b, 40c, and 40d are closed to completely cover the white board 10, the boards 40a, 40b, 40c, and 40d may be used for the background behind the stage or for other purposes.

As described above, in the present invention, the cover board is made of a sliding type of partition type and when the opening and closing of the sliding board opening and closing operation is made, even when the maximum width of the interior wall surface is less than twice the white board when the cover board is opened Completely open to use the whole white board (blackboard), so it is possible to purchase and install a large white board, and to open and close the cover boards on the left and right at the same time by using one driving motor, and its structure is also simple. It has a useful effect such as no fear of failure.

Claims (4)

In the cover board which is installed to be opened and closed in a sliding manner on the lower rail on the front left and right of the white board (blackboard) is installed on the wall; The left and right cover boards 40 and 40 'are each divided into a plurality of split boards, and the lower part of the split board is slidably installed on the lower rails 20 installed in parallel, and the left and right split boards are divided. Sliding, characterized in that the upper part of the board is connected to the wire rope 60 installed to drive and reverse rotation by the drive motor 50 to the traction bracket (70, 70 ') at the same time to open and close symmetrically Coverboard switchgear. The method according to claim 1,  The left and right cover boards 40 and 40 'are formed of an inner first split board 40a and 40c and an outer second split board 40b and 40d, and an inner first split board 40a and 40d. Towing brackets 70 and 70 'are respectively connected to the towing side and to the relaxation side (when the driving motor is used) of the wire rope 60 installed in the caterpillar type at 40c). The first split boards 40a and 40c and the second split boards 40b and 40d respectively slide the first split boards 40a and 40c so that the second split boards 40b and 40d can be dragged. Sliding cover board opening and closing device, characterized in that the pull jaw (42, 44, 46) is provided. The method according to claim 1, Sliding cover board opening and closing device characterized in that the traction bracket (70, 70 ') is further provided with a car door (72, 72') to slide along the upper rail (30). The method according to claim 2, Sliding cover board opening and closing device, characterized in that the buffer pad (42a, 44a, 46a) is attached to the traction jaw (42, 44, 46).

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