JP3196058U - Display board moving stand - Google Patents

Abstract

[PROBLEMS] As a display board moving base in which left and right legs are connected by a single beam pipe, the joint strength between the beam pipe and both legs can be increased without deformation of the joint, and the assembly is extremely high in strength and excellent in durability. It is easy to manufacture, has a good appearance, and provides a device that can effectively use the lower side of the display board. In the left and right legs, a square pipe column 12 is erected on a base portion provided with casters, and a display board is fitted on the upper side of the beam pipe 2. A support column 12 is sandwiched between an upper and lower inner contact plate 3 fixed to the open end 2 a of the beam pipe 2 and an upper and lower outer contact plate 4. Each support column 12 and the beam pipe 2 are joined by being inserted into the insertion holes 4 a, 12 a, 12 a and screwed into the screw holes 3 a of the inner backing plate 3. [Selection] Figure 2

Description

  The present invention relates to a display board moving base that can be moved by mounting a display board such as a blackboard, a whiteboard, a screen board, an electronic blackboard, or a bulletin board.

  In general, as shown in FIG. 4, the display board moving stand includes a pair of right and left legs 50 and 50 that are connected to each other via a beam pipe 60. The left and right sides of the display board B are supported between the upper parts, and can be moved by casters 70 provided before and after the bases of the legs 50, 50 (Non-patent Document 1). In addition, the support form of the display board B includes a fixed type, a lift type, a front / back reversing type, and the like.

  Conventionally, the coupling method shown in FIGS. 5A to 5C is widely used for coupling the leg member 50 and the beam member 60 in such a display board moving frame. First, in the coupling method of FIG. 5A, end plates 61 with screw holes 61 a are welded and fixed to the openings 60 a at both ends of the beam pipe 60, and the inner wall of the column 51 made of a square pipe of the leg body 50. A bolt insertion hole 52 is formed in the portion 51 a and a large-diameter hole 53 is formed in the outer wall portion 51 b, and a short bolt 81 is inserted from the large-diameter hole 53, and the screw hole 61 a of the end plate 61 is inserted through the bolt insertion hole 52. Then, after the column 51 and the beam member 60 are coupled to each other, the synthetic resin blindfold cap 90 is fitted into the large-diameter hole 53. 5B, the structure of the support column 51 and the beam member 60 is the same as that described above. However, the head 82a has a large diameter and a long cap bolt 82, and the end plate 61 is screwed in the same manner as described above. By screwing and tightening to the hole 61a, the large diameter hole 53 of the support column 51 is closed by the head portion 82a of the cap bolt 82. Further, in the coupling method of FIG. 5C, the structure of the beam member 60 is the same as described above, but bolt insertion holes 52 having the same diameter are formed in both side wall portions 51a and 51b of the support column 51 to increase the diameter. A button bolt 83 having a flat head portion 83a is used and screwed and fastened to the screw hole 61a of the end plate 61 through both bolt insertion holes 52, thereby pressing the head portion 83a against the outer wall portion 51b of the column 51. At the same time, the outer bolt insertion hole 52 is closed.

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  However, in the case of the coupling method shown in FIGS. 5A and 5B, since the column 51 is coupled to the beam pipe 60 only by the inner wall portion 51a, the coupling strength is very weak. As shown in FIG. 2, it is necessary to connect both legs 50, 50 by two upper and lower beam pipes 60, 60, which requires much labor for assembling and manufacturing, and increases the material cost. The beam pipes 60 and 60 have a problem of dead space. On the other hand, in the case of the coupling method shown in FIG. 5 (c), since the button bolt 83 is coupled to the beam pipe 60 in such a manner as to press the entire support column 51, a strong coupling strength is obtained to some extent. Although it is possible to connect only by one beam pipe 60 (corresponding to the upper side in FIG. 4), when the button bolt 83 is tightened excessively, the outer wall 51b of the column 51 is recessed and deformed. There is a concern that the same dent deformation or rattling of the joint portion may occur due to the repetition of the load applied to the joint portion as the movement starts and stops.

  In view of the above circumstances, the present invention has a structure in which a pair of left and right legs are connected and integrated through a single beam pipe as a display board moving frame, and the beam is not deformed without causing deformation of the coupling portion. The joint strength between the pipe and both legs can be set large, the entire moving base is extremely strong and durable, and it is easy to assemble and have a good appearance, and the space below the display board can be used effectively. The purpose is to provide things.

  If the means for achieving the above object is shown with reference numerals in the drawings, the idea of claim 1 is that the pair of left and right legs 1, 1 provided with casters 13 is a single beam at an intermediate height position. A display board moving stand that is connected and integrated via a pipe 2 and that is configured to fit a display board B between both legs 1 and 1 above the beam pipe 2. A support column 12 made of a square pipe is erected on the base portion 11 along the base 11, casters 13 are attached to both ends of the base portion 11, and bolt insertion holes 12 a, 12a is penetrated in the left-right direction, the inner end plate 3 which has the screw hole 3a at the both ends of the opening 2a on both sides of the beam pipe 2 and is vertically fixed, and has the inner end plate 3 and the bolt insertion hole 4a. A support column 12 is sandwiched between the upper and lower outer plate 4 In this state, the connecting bolt 5 is inserted into the outer abutting plate 4 and the bolt insertion holes 4 a, 12 a, 12 a of the support 12 from the outside, and is screwed and tightened into the screw holes 3 a of the inner support plate 3. The beam pipe 2 is coupled.

  The invention of claim 2 is the display board moving frame of claim 1, wherein the beam pipe 2 has a vertically long rectangular cross section, and the inner backing plate 3 has two upper and lower screw holes 3 a and 3 a facing the beam pipe 2. It has two upper and lower bolt insertion holes 4a, 4a, 12a, 12a corresponding to the outer backing plate 4 and the column 12, and each column 12 and the beam pipe 2 are connected by two connecting bolts 5, 5. It is supposed to be.

  Next, the effects of the present invention will be specifically described with reference to the drawings. The display board moving stand according to the invention of claim 1 has a configuration in which a pair of left and right legs 1, 1 provided with casters 13 are connected and integrated through a single beam pipe 2 at an intermediate height position. The connecting portion between the beam pipe 2 and the support column 12 of each leg 1 is formed by an upper and lower inner contact plate 3 fixed to the opening end 2a of the beam pipe 2 and an upper and lower outer contact plate 4 similarly. The struts 12 are sandwiched between them, and the connecting bolts 5 are inserted into the outer abutting plate 4 and the bolt insertion holes 4a, 12a, 12a of the struts 12 from the outside, and are screwed and tightened into the screw holes 3a of the inner abutting plate 3. Therefore, the tightening force of the connecting bolt 5 is not concentrated in the vicinity of the bolt insertion holes 12a, 12a of the support column 12, but is loaded on the support column 12 over the entire abutment surface of the both contact plates 3, 4. Therefore, even if the tightening force is increased, there is no fear that the side wall portion of the support column 12 will be recessed, so that the entire movable frame can be assembled and constructed with high strength, and the load is repeatedly applied to the coupling portion with the start / stop of movement. Even if added, rattling and dent deformation of the support column 12 do not occur, and excellent durability can be obtained, and good appearance can be maintained without deterioration in appearance due to dent deformation. In this movable stand, the beam pipe 2 that connects the left and right legs 1 and 1 is only one bridge that is bridged at an intermediate height position. The side can be effectively used as an installation space for office furniture F or the like.

  According to the second aspect of the present invention, the beam pipe 2 and each support column 12 are coupled by the upper and lower two connecting bolts 5, 5, and the coupling strength increases accordingly, and the screwed portions of both the connecting bolts 5, 5 are Since it is not exposed to the outside, the appearance is good.

It is a perspective view of the display board movable mount concerning one embodiment of the present invention. It is the expansion | deployment perspective view of the coupling | bond part of the support | pillar of a leg body and a beam pipe in the display board moving frame. It is a vertical front view of the joint part. It is a perspective view which shows an example of the conventional general purpose display board movement mount frame. The coupling | bond part of the support | pillar of a leg and the beam pipe in the conventional display board moving mount frame is shown, (a)-(c) is a vertical front view of a different coupling system.

  Hereinafter, an embodiment of a display board moving stand according to the present invention will be specifically described with reference to the drawings.

  As shown in FIG. 1, in this display board moving stand, a pair of left and right legs 1, 1 provided with casters 13 are connected and integrated through a single beam pipe 2 at an intermediate height position. A horizontally-long rectangular display board B is fitted between both legs 1, 1 above the upper side. Each leg 1 has a column 12 made of a rectangular pipe having a long cross section on the middle part of the base part 11 made of a square pipe along the front-rear direction. Casters 13 are attached to both end portions of 11.

  As shown in FIG. 2, bolt insertion holes 12 a, 12 a are penetrated in the left and right directions in the upper and lower portions of the support 12 of each leg 1 corresponding to the fixing position with the beam pipe 2. On the other hand, the beam pipe 2 has a rectangular shape with a vertically long cross section, and inner opening plates 3 that are wider at the front and rear and longer at the top and bottom than the opening end 2a are fixed to the respective opening ends 2a by welding. Yes. The inner contact plate 3 is provided with two upper and lower screw holes 3a, 3a facing the bolt pipe holes 12a, 12a of the support column 12 so as to face the beam pipe 2. Reference numeral 4 in the figure denotes an outer contact plate that is long in the vertical direction, and is set to the same size as the inner support plate 3. The upper and lower bolt insertion holes 4 a correspond to the bolt insertion holes 12 a and 12 a of the support column 12. , 4a are drilled. Reference numeral 5 denotes two connecting bolts that connect each end of the beam pipe 2 and each column 12.

  As shown in FIG. 3, each end of the beam pipe 2 and each column 12 are arranged from the outside in a state where the column 12 is sandwiched between the inner plate 3 and the outer plate 4 on the beam pipe 2 side. The connecting bolt 5 is inserted into the outer abutting plate 4 and the bolt insertion holes 4 a, 12 a, 12 a of the support 12, and is screwed and tightened into the screw hole 3 a of the inner abutting plate 3. The support 12 is screwed in a sandwiched manner.

  In the display board moving stand having the above-described configuration, the pair of left and right legs 1 and 1 each having the caster 13 are connected and integrated through a single beam pipe 2 at an intermediate height position. The connecting portion of each leg 1 with the support column 12 sandwiches the support column 12 between the upper and lower outer support plates 4 in the same manner as the upper and lower inner contact plates 3 on the beam pipe 2 side. The support 12 is clamped from both sides by tightening. Therefore, the tightening force of the connecting bolt 5 does not concentrate in the vicinity of the bolt insertion holes 12a, 12a of the support column 12, but loads the support column 12 over the entire abutting surface of both the contact plates 3, 4; Even if the tightening force is increased, there is no concern that the side wall portion of the support column 12 will be recessed, and the entire movable frame can be assembled and constructed with high strength. Further, with the start / stop of the movement of the display board moving frame, a load is repeatedly applied to the above-mentioned connecting portion. The connecting portion firmly holds the support column 12 between the both abutting plates 3 and 4 without shaking. Since it is in a state, rattling and dent deformation of the support column 12 do not occur, and excellent durability is obtained, and the appearance is not deteriorated due to the dent deformation, and a good appearance can be maintained over a long period of time.

  In this movable frame, the beam pipe 2 that connects the left and right legs 1 and 1 is only one at the intermediate height position. Therefore, the number of steps for assembling and manufacturing is reduced, and the work is facilitated. There is also an advantage that the lower side of 2 can be effectively used as an installation space for office furniture F or the like as indicated by a virtual line in FIG.

  In the present invention, it is possible to connect the beam pipe 2 and each support column 12 with a single connecting bolt 5, but by connecting with the upper and lower connecting bolts 5, 5 as in the embodiment. There is an advantage that the strength is further increased. Further, both the connecting bolts 5 and 5 can be screwed at the upper and lower positions outside the beam pipe 2 using the upper and lower contact plates 3 and 4, but as the beam pipe 2 as in the embodiment. If the cross section is of a vertically long rectangular shape and is screwed at a position facing the inside of the beam pipe 2, the threaded portion is not exposed to the outside, so that the appearance is good. In addition, although the screw hole 3a of the inner side contact plate 3 is set to the plate thickness in the embodiment, in order to increase the screwing depth, a screw may be engraved on the inner periphery of the hole raised by burring. Good.

  The display board B applied to the present invention is not particularly limited as long as it is flat, and includes blackboards, whiteboards, screen boards, electronic blackboards, bulletin boards, etc., and attached equipment such as lighting equipment and projectors. You may have done. Also, various methods such as a fixed type, a lift type, and a front / back reversing type can be adopted as a method for fitting the display board B in the movable frame. In addition, in the present invention, the detailed configuration such as the form of the base portion 11 of the leg 1, the structure of the casters 13, the shape of the connecting bolt 5, and the like can be variously modified in addition to the embodiment.

DESCRIPTION OF SYMBOLS 1 Leg 11 Base part 12 Support | pillar 12a Bolt insertion hole 13 Caster 2 Beam pipe 2a Open end 3 Inner contact plate 3a Screw hole 4 Outer contact plate 4a Bolt insertion hole 5 Connecting bolt B Display board

Claims (2)

A display board in which a pair of left and right legs provided with casters are connected and integrated via a single beam pipe at an intermediate height position, and a display board is fitted between both legs above the beam pipe A mobile platform,
The leg has a pillar made of a square pipe on a base part extending in the front-rear direction, and the casters are attached to both ends of the base part, and a bolt insertion hole is formed at a beam pipe fixing position of the pillar. Is pierced in the left-right direction,
On the opening ends on both sides of the beam pipe, a long inner contact plate with a screw hole is fixed vertically,
With the support post sandwiched between the inner support plate and the upper and lower outer support plates having bolt insertion holes, the inner support plate is inserted from the outside into the outer support plate and the bolt insertion holes of the support column. A display board moving stand in which each support column and a beam pipe are joined by screwing and tightening to a screw hole of the.   The beam pipe has a vertically long rectangular cross section, the inner contact plate has two upper and lower screw holes facing the beam pipe, and two upper and lower bolt insertion holes corresponding to the outer contact plate and the column. The display board moving stand according to claim 1, wherein each support column and the beam pipe are coupled by two connecting bolts.

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