JP5721030B2 - Connecting device for beam members - Google Patents

Description

  The present invention relates to a connecting device attached to a beam member extending in a substantially horizontal direction, and for example, it is easy to attach an additional functional member to a beam member extending in a horizontal direction such as an article mounting fixture, and the like. The present invention relates to a beam member coupling device that enables strong coupling.

  Conventionally, for example, when connecting an additional functional member to a commodity display fixture, it is common to connect the functional member to the column of the display fixture using, for example, an engagement hole of the column. In order to further increase the degree of freedom, there has been a demand for means capable of connecting a member to a beam member hung on a column or the like.

  For such a problem, for example, in Patent Document 1, a plurality of plate-like object holding bars 10 are mounted so as to protrude forward with respect to a support beam 3 (beam member) attached horizontally to a display fixture, A technique for placing and holding a plate-like object on a plurality of plate-like object holding bars 10 is disclosed. A tip support portion 12 is provided at the tip of the plate-like object holding rod 10, a locking base portion 13 is provided at the end of the plate-like object holding rod 10, and the locking base portion 13 has a substantially hook shape and faces downward. Opened fitting portions K1, K2, and K3 are provided, and the fitting portions K1, K2, and K3 are such that the plate-like object holding rod 10 can be locked to the support beam 3 (beam member) at a plurality of inclination angles with respect to the horizontal plane. Is formed.

  More specifically, the holder of Patent Document 1 uses two plate-like members in the vertical direction as the locking base 13, and the first fitting portion K <b> 1 formed on the plate-like locking base 13, The second fitting portion K2 or the third fitting portion K3 is engaged with a support beam 3 (beam member) of a rectangular pipe having a rectangular cross section, and a fixing screw 6 drilled in the lower surface of the locking base portion 13 is screwed into the fixing screw. The bottom of the support beam 3 is pressed by the tip of 6.

JP 2004-049400 A

  However, in such a technique of Patent Document 1, in addition to the support means that uses two plate-like members in the vertical direction as the locking base portion 13, the means for pressing the bottom surface of the support beam 3 (beam member) is fixed. Since it is only abutting by the tip of the screw 6, the locking base portion 13, which is a plate-like member, is easily buckled, and the area for pressing the bottom surface of the support beam 3 is extremely small. There is a problem that the support power is weak when joining.

  The present invention has been made paying attention to such a problem, and can be easily connected to a beam member, and has a sufficient strength against a moment in the vertical and horizontal directions. The purpose is to provide.

In order to solve the above-described problems, the beam member coupling device of the present invention includes:
A coupling device attached to a beam member extending in a substantially horizontal direction having a surface portion sandwiching a corner portion,
The coupling device has an inner surface corresponding to the corner of the beam member, a rear coupling member that surrounds the beam member from the rear to the front, and a front coupling member that abuts the beam member from the front. The beam member and the coupling device can be fixed by integrally fastening the rear connecting member and the front connecting member to the beam member by fastening means. It is a feature.
According to this feature, the beam member is surrounded from the front and rear by the front connecting member and the rear connecting member so that the inner surface of the corresponding shape of the rear connecting member is positioned with respect to the corner of the beam member. By tightening the front connecting member and the rear connecting member by the fastening means, the beam member is firmly clamped from both sides, and in addition, the corner of the beam member restricts the rotation of the rear connecting member. By giving the function to do so, it is possible to achieve a firm fixation between the beam member and the coupling device against the moment from the top, bottom, left and right.

The connecting device for a beam member of the present invention is
An opening is formed at a predetermined position of the front connecting member, and at least a part of the rear connecting member surrounding the beam member protrudes forward of the beam member from the opening of the front connecting member. The projecting portion can be used as a member mounting portion.
According to this feature, a part of the rear connecting member can be used as a member attaching portion, and the structure of the beam member connecting device can be simplified.

The connecting device for a beam member of the present invention is
The rear connecting member surrounding the beam member is formed in a substantially U shape, and an upper piece of the rear connecting member having at least a substantially U shape extends substantially parallel to the upper surface of the beam member, A part of the upper piece protrudes forward of the beam member from the opening of the front connecting member, and the protruding portion can be used as a member mounting portion.
According to this feature, the upper piece of the rear connection member is supported on the upper surface of the beam member extending substantially parallel to the upward load generated when the additional member is attached to the member attachment portion. As a result, a large drag force generated between the upper and lower surfaces of the upper piece and the upper surface of the beam member increases the frictional force between them, which is effective in suppressing the movement of the beam member coupling device and the beam member.

The connecting device for a beam member of the present invention is
Bending pieces are formed on the upper and lower sides of the front connecting member, and bent pieces are formed vertically on the upper and lower ends of the rear connecting member. The bent pieces of the rear connecting member Is loosely arranged to be guided inside the upper and lower bent pieces of the front connecting member.
According to this feature, when the front connecting member and the rear connecting member are combined and fastened, the bent piece of the rear connecting member is guided on the inner surface of the upper and lower bent pieces of the front connecting member. For example, when fixing with a bolt or the like, it is easy to align the fastening positions of each other.

It is a general view which shows the usage example of the connection apparatus for beam members in Example 1. FIG. It is a perspective view which shows the connection apparatus for beam members in Example 1. FIG. It is an expansion | deployment perspective view which shows the connection apparatus for beam members in Example 1. FIG. It is sectional drawing which shows the connection apparatus for beam members in Example 1. FIG. It is a rear view which shows the connection apparatus for beam members in Example 1. FIG. It is a perspective view which shows the connection apparatus for beam members in Example 2. FIG. It is a perspective view which shows the connection apparatus for beam members in Example 3. FIG.

  A mode for carrying out the beam member coupling device according to the present invention will be described below as an embodiment used for a mounting table used for mounting a computer or the like or displaying a product.

  The beam member coupling device 1 according to the first embodiment will be described with reference to FIGS. 1 to 5. As shown in FIG. 1, the beam member coupling device 1 is used for adding a mounting table 55 or the like used for mounting a computer or displaying a product to the article mounting fixture 2. In particular, it is possible to connect an additional member such as the mounting table 55 to the beam member 11 formed in a rectangular cross-section that is hung on the support column 21 standing on the left and right in the article mounting fixture 2. FIG. 1 shows an arm member 56 provided with a mounting table 55 on the beam member connecting device 1 connected to the beam member 11 hanged on the article mounting fixture 2. The state of being connected is shown.

  An attachment hole 37 for attaching an arm member 56 to be described later is provided in the beam member connecting device 1 connected by a connecting means to the beam member 11 to be described later, and the beam member connecting device 1 is connected to a connection bolt 38. The nut 39 can be connected to the arm member 56.

  The beam member coupling device 1 will be described in detail with reference to FIGS. 2 and 3. The beam member coupling device 1 has a beam member with respect to the beam member 11 erected on the pillars 21 erected on the left and right sides of the article mounting fixture 2. 11 includes a rear connecting member 3 that surrounds 11 from the rear to the front, and a front connecting member 4 that abuts the beam member 11. The rear connecting member 3 and the front connecting member 4 are fastening means. Fastened to the beam member 11 by fastening bolts 6. By loosening the fastening bolt 6, the connection of the beam member connecting device 1 is not limited to a specific position of the beam member 11, but can be connected to a free position in the tube axis direction on the beam member 11, The additional position of the mounting table 55 can be adjusted and connected to the article mounting fixture 2.

  Note that the beam member 11 of this embodiment is formed in a rectangular cross-section including corner portions 13..., And front and back surfaces 113, a top surface 111, and a surface portion formed by the bottom surface 112.

  The rear connecting member 3 is formed of a single iron plate (metal plate) or the like, and two bent portions corresponding to the corner portions 13 of the beam member 11 are formed on the inner surface of the rear connecting member 3. A portion is formed, and is formed in a substantially U shape. The upper piece 33 and the lower piece 34 of the substantially U-shaped rear connection member 3 extend substantially parallel to the upper surface 111 and the lower surface 112 of the beam member 11, and further, a part of the upper piece 33 and the lower piece 34 is formed. The projecting portion formed by projecting from the opening 42 of the front connecting member 4 to the front of the beam member 11 can be used as a member mounting portion for mounting the arm member 56, for example.

  Furthermore, left and right portions of the upper piece 33 and the lower piece 34 of the substantially U-shaped rear connecting member 3 are bent up and down to form bent pieces 35. The bent pieces 35 are provided with insertion holes 351 through which the fastening bolts 6 are inserted, and the back of the bent pieces 35 in the insertion holes 351 is tightened. The landing nuts 7 are fixed by welding. The fastening nuts 7 are not required to be welded and fixed to the rear surface side of the bent pieces 35.

  In addition, since the rear connecting member 3 is formed by bending a single iron plate, loads and moments such as loads individually applied to the upper piece 33 and the lower piece 34 can be distributed to the entire rear connecting member 3 and simplified. The shape can be increased and the strength can be increased.

  Further, the front connecting member 4 is also formed of a single iron plate, and the front plate 41 has a substantially rectangular opening 42 through which the upper piece 33 and the lower piece 34 provided on the rear connecting member 3 can be inserted. Further, fastening holes 431, through which fastening bolts 6 ... can be inserted, are formed at the four corners of the front plate 41, and these fastening holes 431 ... are used. Thus, the rear connecting member 3 and the front connecting member 4 can be fastened by the fastening bolts 6. In addition, bent pieces 43... Facing rearward are provided above and below the front connecting member 4.

  Next, means for actually connecting the beam member connecting device 1 to the beam member 11 will be described with reference to FIGS.

  First, as shown in FIG. 4A, the rear connection member 3 formed in a substantially U-shape is formed so that the corner portions 13 of the beam member 11 correspond to the bent portions 31 of the rear connection member 3. Attach to the beam member 11 to complete the go. At this time, a part of the upper piece 33 and the lower piece 34 of the rear connection member 3 protrudes in front of the beam member 11. Next, as shown in FIG. 4 (b), the front connecting member 4 is approached from the opposite side of the beam member 11, and the opening 42 of the front connecting member 4 is partially covered by the upper piece 33 and the lower piece 34. Arrange to penetrate. At this time, since the bent pieces 35 are configured to be freely fitted and installed on the bent pieces 43, the bent pieces 35 are formed on the inner surface of the bent pieces 43 when assembled. Guided. If the positions of the fastening holes 431, the insertion holes 351, and the fastening nuts 7 are adjusted in advance in the vertical and horizontal directions, the positioning of the fastening positions can be completed simply by combining them. The fastening operation of the rear connecting member 3 and the front connecting member 4 with the fastening bolts 6.

  Subsequently, the fastening bolts 6... And the fastening nuts 7. In this way, the inner surface of the rear connection member 3 is surrounded so that the corresponding inner surface of the rear connection member 3 is positioned with respect to the corner portions 13... Of the beam member 11. The front connecting member 4 and the rear connecting member 3 are fastened by the fastening means while being clamped from the front and rear, and the beam member 11 is firmly clamped from both sides. According to the embodiment, the corner portions 13 of the beam member 11 are positioned so as to substantially coincide with the two bent portions of the rear connecting member 3, and the corners of both members enhance the function of regulating the mutual rotation. Thus, it is possible to achieve a firm fixation between the beam member 11 and the beam member coupling device 1 that resists moments from up, down, left and right.

  In addition, the rear connecting member 3 and the front connecting member 4 are fastened to the left and right sides of the upper piece 33 and the lower piece 34, that is, the fastening nuts 7 provided on the bent pieces 35 formed at the four corners of the rear connecting member 3. The fastening bolts 6 in a state where the beam member 11 is sandwiched from above and below via the insertion holes 351 having the ... and the fastening holes 431 provided at the four corners of the front connecting member 4. Since it is fastened by, it is possible to more effectively suppress the play between the beam member 11 and the beam member coupling device 1.

  Further, a part of the upper piece 33 and the lower piece 34 of the rear connection member 3 protrudes in front of the beam member 11, and a part of the upper piece 33 and the lower piece 34 penetrate the opening 42 of the front connection member 4. Therefore, if this penetrating portion is used as an attachment portion, there is no need to provide a member attachment member separately from the beam member coupling device 1, and the beam member coupling device 1 can be formed in a simple shape. On the other hand, it becomes possible to connect an additional member.

  Each of the upper piece 33 and the lower piece 34 is provided with an attachment hole 37 used for attaching an arm member 56 or the like as an additional member so that the arm member 56 can be connected by a connection bolt 38 and a connection nut 39. Therefore, the mounting table 55 connected to the arm member 56 can be connected to the beam member connecting device 1 so as to be rotatable about the connecting bolt 38. (See FIG. 1).

  Further, by providing a nonwoven fabric or the like appropriately at a predetermined position on the inner surface of the U-shaped portion of the rear connection member 3 and a predetermined position on the back surface of the front connection member 4, the beam member connection device 1 and the beam member 11 are loose. Can be prevented, and damage to the beam member 11 can be prevented when the installation location is moved.

  A part of the upper piece 33 protrudes from the opening 42 of the front connecting member 34 to the front of the beam member 11 so that the protruding portion can be used as an attachment portion. Therefore, an additional member is attached to the attachment portion. The upper piece 111 of the rear connecting member 3 is supported by the upper surface 111 of the beam member 11 extending in parallel with the load from the upper direction generated at the time. As a result, the upper piece lower surface 331 and the beam member are supported. A large drag force generated between the upper surfaces 111 increases the frictional force between them, and exerts an effect on the movement restraining force between the beam member coupling device 1 and the beam member 11.

  Next, a beam member coupling apparatus according to Embodiment 2 will be described with reference to FIG. In addition, the same structure as the said Example and the overlapping structure are abbreviate | omitted.

  As shown in FIG. 6, an upper piece 33 and a lower piece 34 provided on the rear connecting member 3 can be inserted into the front connecting member 4, and an insertion of substantially the same shape as the cross section of the upper piece 33 and the lower piece 34. Openings 50 and 51 are formed.

  The fitting insertion openings 50 and 51 provided in the front connecting member 4 only need to be provided in a shape in which the upper piece 33 and the lower piece 34 can be inserted, and compared with the first embodiment, the upper piece 33 and the lower piece 34. Since the surface can be left between the fitting insertion openings 50 and 51 through which the beam member 11 is inserted, the area in contact with the beam member 11 is increased, and the connection between the beam member coupling device 1 and the beam member 11 is further strengthened. Can do.

  Next, a beam member coupling device according to Embodiment 3 will be described with reference to FIG. In addition, the same structure as the said Example and the overlapping structure are abbreviate | omitted.

  As shown in FIG. 7A, upper bent pieces 355... Are further provided above the bent pieces 35 of the first embodiment described with reference to FIG. The upper bent pieces 355 are arranged so as to directly contact the bottom surface of the bent piece 43 formed at the upper part of the front connecting member 4 when the rear connecting member 3 and the front connecting member 4 are connected. . According to this, as shown in FIG. 7B, the fastening bolts 6... And the fastening nuts 7. When the connection position of the beam member connecting device 1 is adjusted in the longitudinal direction of the beam member 11 by loosening the connection to the beam member 11, a bent single bottom surface 432 formed on the upper portion of the front connection member 4 is formed. The state of being placed on the upper bent piece upper surface 360... Is maintained. That is, the rear connecting member 3 and the front connecting member 4 are always positioned on the upper part of the beam member 11, and even if the fastening means is loosened, the fastening holes 431... And the insertion holes 351. Thus, the rear connecting member 3 and the front connecting member 4 can be fastened again.

  Further, in the embodiment of the present invention, the beam member coupling device 1 is fixed to the front surface of the beam member 11 of the fixture 2, but the present invention is not limited to this, and from the lower surface side of the beam member 11. Needless to say, the mounting direction is not limited.

  Moreover, although the cross-sectional shape of the beam member 11 is described as a rectangular shape, it is not limited to this. Moreover, the corner | angular part 13 ... in the Example of this invention is a boundary shape which changes the direction of two surfaces. Further, the corner portion 13 in the embodiment of the present invention includes a corner portion formed of R.

DESCRIPTION OF SYMBOLS 1 Beam member coupling device 2 Article mounting fixture 3 Rear coupling material 4 Front coupling material 6 Fastening bolt 7 Fastening nut 11 Beam member 13 Corner 21 Strut 31 Bending portion 33 Upper piece 34 Lower piece 35 Bending piece 37 Mounting hole 38 Connecting bolt 39 Connecting nut 41 Front plate 42 Opening 43 Bending piece 50, 51 Insertion opening 55 Mounting base 56 Arm member 111 Beam member upper surface 112 Beam member lower surface 113 Beam member rear surface 114 Beam member front surface 331 Upper piece lower surface 351 Insertion hole 355 Upper bent piece 360 Upper bent piece upper surface 431 Fastening hole 432 Bent piece bottom surface

Claims (4)

A coupling device attached to a beam member extending in a substantially horizontal direction having a surface portion sandwiching a corner portion,
The coupling device has an inner surface corresponding to the corner of the beam member, a rear coupling member that surrounds the beam member from the rear to the front, and a front coupling member that abuts the beam member from the front. The beam member and the coupling device can be fixed by integrally fastening the rear connecting member and the front connecting member to the beam member by fastening means. A connecting device for a beam member.   An opening is formed at a predetermined position of the front connecting member, and at least a part of the rear connecting member surrounding the beam member protrudes forward of the beam member from the opening of the front connecting member. The beam member coupling device according to claim 1, wherein the protruding portion can be used as a member mounting portion.   The rear connecting member surrounding the beam member is formed in a substantially U shape, and an upper piece of the rear connecting member having at least a substantially U shape extends substantially parallel to the upper surface of the beam member, 2. The beam according to claim 1, wherein a part of an upper piece protrudes forward of the beam member from an opening portion of the front connecting member, and the protruding portion can be used as a member attachment portion. Connecting device for members.   Bending pieces are formed on the upper and lower sides of the front connecting member, and bent pieces are formed vertically on the upper and lower ends of the rear connecting member. The bent pieces of the rear connecting member 4. The beam member coupling device according to claim 1, wherein said beam member coupling device is loosely fitted and arranged inside the upper and lower bent pieces of the front coupling member. 5.

Images