JP2009174582A - Column connecting structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a column connecting structure capable of firmly and stably connecting mutual columns, and capable of excellently fixing the appearance of a connecting part of the mutual columns. <P>SOLUTION: This column connecting structure has a first column 58 forming a first female screw hole 58d turning in the longitudinal direction of the column on a column end surface 58c, a second column 57 forming a space part 57g recessed inward on a column end surface 57f and forming a second female screw hole 57i turning in the longitudinal direction from a bottom surface 57h of the space part, a male screw member 61 forming a male screw over the outer peripheral total length, and a nut member 62 threadedly engaged with the male screw member. A column end surface of the first column and the nut member are allowed to abut on each other by threadedly engaging the nut member with the male screw member while threadedly engaging one end part of the male screw member with the first female screw hole, and the first column and the second column can be connected by threadedly engaging a second female screw hole with the other end part of the male screw member while storing a part of the nut member in the space part by fixing the male screw member to the first column. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a column connection structure that connects columns in a straight line.

  In furniture such as furniture, there are many cases where it is desired to use the columns connected in a straight line. In such a strut connection structure, a male thread part is formed at the end of one strut, a female thread part is formed at the end of the other strut, and the struts are linearly strengthened by screwing them together. The method of connecting to is becoming common.

On the other hand, a configuration has been proposed in which a connecting pipe having a size slightly smaller than the supporting column is fitted and fixed to the end of the supporting column, and the supporting column is connected up and down via the connecting pipe (for example, see Patent Document 1). ).
JP 2003-41769 A

By the way, in the conventional strut connection structure, since the male thread portion is formed on one strut and the female thread portion is formed on the other strut, when using without connecting the struts, one strut is There was a problem that the male screw part was exposed and the appearance was bad.
Moreover, since the connection structure of patent document 1 has inserted and fixed the support | pillars via the connection pipe, there existed a possibility that the connection intensity | strength of support | pillars might become low compared with the screwing by a screw | thread.

  Therefore, the present invention has been made in view of the above circumstances, and a strut connection structure that can firmly and stably connect the struts and can satisfactorily fit the appearance of the connection portion between the struts. Is to provide.

  In order to solve the above-mentioned problems, the invention described in claim 1 is a column connection structure for connecting columns to each other. In the column connection structure, a first female screw hole facing the longitudinal direction of the column is formed on the column end surface. A space part recessed inwardly from the pillar end face is formed on one pillar and the pillar end face, and a second female screw hole facing the longitudinal direction of the pillar from the bottom face of the space part is formed. A second column, a cylindrical male screw member formed with a male screw over the entire outer circumference, and a nut member screwed into the male screw member, and one end of the male screw member is By screwing the nut member into the male screw member while screwing into the first female screw hole, the column end surface of the first column and the nut member are brought into contact with each other, and The male screw member is fixed, and in the space portion of the second support column, The first strut and the second strut can be connected by screwing the second female screw hole and the other end of the male screw member while accommodating at least a part of the nut member. It is characterized by having.

  According to a second aspect of the present invention, a sleeve portion is formed on the periphery of the column end surface of the first column so as to protrude outward in the axial direction of the first column, and the first column and the second column When connecting the two, the sleeve portion is fitted on the outer periphery of the second support column.

  According to a third aspect of the present invention, a sleeve portion is formed to protrude outward in the axial direction of the first column on the periphery of the column end surface of the first column, and the first column and the second column When the two are connected, the sleeve portion is fitted into the space portion of the second support column.

  According to a fourth aspect of the present invention, the first strut and the second strut are formed in a circular cross section, and the central axes of the first female screw hole and the second female screw hole are the centers of the respective struts. It is characterized by being formed.

  The invention described in claim 5 is characterized in that the first support column and the second support column are formed with substantially the same diameter.

  According to the first aspect of the present invention, since the first support column and the second support column are connected by screwing using the male screw member, the first support column and the second support column are connected firmly and stably. There is an effect that can. In addition, since the first strut and the second strut are connected so that the nut member abutted against the strut end surface of the first strut is at least partially accommodated in the space portion of the second strut, The male screw member connecting the second support column is connected in a state where it cannot be seen from the outside. Therefore, there is an effect that the appearance of the connecting portion between the columns can be satisfactorily accommodated. Further, when the first support column and the second support column are used alone without being connected, the male screw portion is not formed so as to protrude, so that the appearance of the support column itself does not deteriorate.

  According to the second aspect of the present invention, the nut member positioned in the gap of the connecting portion between the first support column and the second support column can be covered with the sleeve portion of the first support column. Therefore, it can visually recognize that the 1st support | pillar and the 2nd support | pillar are directly connected, and there exists an effect which can fully accommodate the appearance of the connection part of support | pillars.

  According to the invention described in claim 3, the nut member positioned in the gap of the connecting portion between the first support column and the second support column can be covered with the sleeve portion of the second support column. Therefore, it can visually recognize that the 1st support | pillar and the 2nd support | pillar are directly connected, and there exists an effect which can fully accommodate the appearance of the connection part of support | pillars.

  According to the invention described in claim 4, since the central axes of the first support column and the second support column can be matched and connected, there is an effect that the appearance of the state in which the support columns are connected can be kept good. is there.

  According to the invention described in claim 5, since the outer shapes of the first support column and the second support column are formed with substantially the same diameter, the connection portion is substantially surfaced when the first support column and the second support column are connected. Can be one. Therefore, at first glance, it is impossible to visually recognize the connection portion between the first support column and the second support column, and there is an effect that the appearance of the state in which the support columns are connected can be kept better.

(First embodiment)
Next, an embodiment of a column connection structure according to the present invention will be described with reference to FIGS. In the present embodiment, a column connection structure of a display mounting stand provided on a table will be described as an example.
As shown in FIGS. 1 and 2, the table 1 includes a substantially plate-like top plate 10, a pair of beam members 20 that support and fix the top plate 10, and a beam member 20 that is erected on the floor F. And a leg 30 for supporting and fixing, and is formed elongated in one direction as a whole.

  Two legs 30 are arranged on both sides in the length direction X of the beam member 20, are formed wide in the width direction Y orthogonal to the length direction X in plan view, and are arranged in the width direction Y. A pair of beam members 20 are supported. The leg 30 has a substantially box-shaped main body 31 and a support plate 32 that is placed on the floor surface F and supports the main body 31. A plurality of adjusters 33 (see FIG. 3) are provided between the main body 31 and the support plate 32, so that the height and level of the main body 31 can be adjusted with respect to the inclination of the floor surface F. It is possible to adjust. The side plates 31a located on both sides in the width direction Y of the main body 31 are detachably attached.

  As shown in FIG. 3, a pair of substantially horizontal first portions are arranged on the upper portion of the body portion 31 of the leg 30 in order from the outer side to the inner side in the width direction Y corresponding to each of the pair of beam members 20. The mounting surfaces 34A and 34B, the pair of second mounting surfaces 35A and 35B inclined so as to descend from the first mounting surfaces 34A and 34B, and the second mounting surfaces 35A and 35B, respectively. A pair of substantially horizontal third placement surfaces 36A and 36B continued from the lower end of the slope are formed. The third placement surfaces 36A and 36B corresponding to each of the pair of beam members 20 form a continuous flat surface portion 31b, and the upper portion of the main body portion 31 is formed in a concave shape as a whole. Further, on the third placement surfaces 36A, 36B that are inclined lower than the second placement surfaces 35A, 35B, locking pieces 37 for locking the corresponding beam members 20 in the width direction Y are provided. Projectingly formed. The main body 31 has a communication groove 31c extending in the vertical direction Z at the center in the width direction Y and opening between the pair of third mounting surfaces 36A and 36B. Wiring such as electric equipment to be arranged can be arranged up to the floor surface F.

  Each of the pair of beam members 20 has a longitudinal direction so that an edge 20a on the outer side in the width direction Y is substantially flush with the side plate 31a of the leg 30 and as shown in FIGS. The end portion 20 b of X extends so as to protrude outward from the leg body 30, and is supported by the leg body 30. Further, the end portion 20b in the length direction X of the beam member 20 is formed to be inclined from the top plate support surface 21 toward the inside in the length direction X, and is covered with the end cover 20c.

  As shown in FIG. 4, the beam member 20 includes a side surface 20 e formed along the vertical direction Z, a top plate support surface 21 serving as an upper surface on which the top plate 10 is placed, and an outer side in the width direction Y. An inclined surface 22 serving as a lower surface inclined inward is formed continuously in the length direction X and has a substantially triangular cross section. The beam member 20 has a hollow interior in order to increase the rigidity while suppressing the weight, and a reinforcing plate 20d is provided along the vertical direction Z in the center of the interior to further increase the rigidity.

  Returning to FIG. 3, each of the pair of beam members 20 includes a substantially horizontal first bottom surface 23 corresponding to the first placement surfaces 34 </ b> A and 34 </ b> B of the leg body 30 in order from the outer side to the inner side in the width direction Y. The second bottom surface 24 formed to be inclined from the first bottom surface 23 corresponding to the second mounting surfaces 35A and 35B, and the second corresponding to the third mounting surfaces 36A and 36B. And a substantially horizontal third bottom surface 25 that continues from the bottom surface 24. Here, the second bottom surface 24 is configured as a part of the inclined surface 22. In the pair of beam members 20, the first bottom surface 23 is on the first mounting surfaces 34A and 34B, the second bottom surface 24 is on the second mounting surfaces 35A and 35B, and the third bottom surface 25 is on the first. It is supported by the leg 30 by making contact with the three placement surfaces 36A and 36B.

  Furthermore, the pair of beam members 20 are each provided with a locked end 26 that protrudes inward in the width direction Y at the lower portion, and abuts against the locking piece 37 of the leg 30 to be locked in the width direction Y. ing. Further, screw holes 28 are formed in the first bottom surface 23 and the second bottom surface 24, respectively. On the other hand, in the upper part of the leg 30, the first mounting surfaces 34 </ b> A and 34 </ b> B and the second mounting surfaces 35 </ b> A and 35 </ b> B correspond to the screw holes 28 and communicate with the inside of the main body 31. Is formed. Then, each beam member 20 is inserted into the insertion hole 38 from the inside of the main body portion 31 and screwed into the screw hole 28 so that each beam member 20 has the first placement surfaces 34A and 34B and the second placement surface. The surfaces 35A and 35B are fixed to the leg body 30.

  Moreover, the top plate 10 is constituted by a plate member 11 that is divided into two in the length direction X, two in the width direction Y, and divided into four as a whole (see FIG. 1). And each plate member 11 which comprises the top plate 10 is in the state supported by each beam material 20 because the lower surface contacts each top plate support surface 21.

  As shown in FIG. 4, screw holes 12 are formed at a plurality of locations in the length direction X on the lower surface of each plate member 11. On the other hand, in the beam member 20, insertion holes 29 communicating with the vertical direction Z are formed at a plurality of locations in the length direction X according to the positions of the screw holes 12. The top plate fixing bolts 41 inserted from the lower side into the insertion holes 29 are screwed into the screw holes 12 of the plate member 11, so that each plate member 11 constituting the top plate 10 is fixed to the beam material 20. Has been.

  Here, a first locked piece 13 and a second locked piece 14 are attached to the lower surface of each plate member 11. The first locked piece 13 and the second locked piece 14 protrude inward in the width direction Y, respectively. In addition, the top plate support surface 21 of each beam member 20 has a first locking extending in the length direction X so as to correspond to the first locked piece 13 and the second locked piece 14, respectively. A groove 21a and a second locking groove 21b are formed. The first locking groove 21a and the second locking groove 21b are respectively provided with locking edge portions 21c and 21d that protrude outward from the inner edge in the width direction Y. In the state where each plate member 11 constituting the top plate 10 is supported by the beam member 20, the first locked piece 13 and the second locked piece 14 respectively correspond to the corresponding first engagement. By being inserted into the retaining groove 21a and the second retaining groove 21b, the retaining edge portions 21c and 21d are engaged with each other. The material 20 is securely fixed to the material 20.

  Further, the plate member 11 is provided with a notch 11a at a position inside the width direction Y. And in the state which fixed and combined each plate member 11 on the beam material 20, the top plate 10 is connected to the center of the width direction Y by the notch 11a up and down, and the wiring communication hole extended in the length direction X 10a is formed. The wiring communication hole 10 a is normally closed by the top plate lid 53. A plurality of grooves are formed on the side surfaces 20 e of the pair of beam members 20 facing each other so as to extend in the length direction X. A support member 15 extending upward is locked in the groove, and the top cover 53 is supported by the support member 15 to close the wiring communication hole 10a. The top plate lid 53 is rotatable and detachable with respect to the support member 15, and by removing the top plate lid 53, the wiring of the electric device used on the top plate 10 can be connected to the pair of beam members 20 via the wiring communication holes 10 a. It can be arranged as a through-line space 43.

  The bottom of the through space 43 is closed by a bottom plate 43a engaged between the pair of beam members 20, and wiring can be arranged on the bottom plate 43a. The wiring of the electrical equipment disposed in the through space 43 is connected to the power source of the floor surface F and the like through the connection groove 31c (see FIG. 3) at a position where the beam member 20 and the leg 30 are fixed. It is possible.

  In addition, a blind cover 54 that closes the gap is provided in the gap between the top lids 53 arranged to face each other along the width direction Y. The blind cover 54 has a substantially U-shaped cross-section, is a long and thin plate member along the length direction X, and is attached so as to be engaged with the support member 15. The blind cover 54 is formed with a substantially circular through hole 55 at a predetermined position in plan view (see FIG. 1). The through-hole 55 can be inserted into a column portion 57 a of a column support member 57 (details will be described later) locked to the side surface 20 e of the beam member 20. A display mounting stand 58 is connected to the column portion 57 a of the column support member 57.

Here, the attachment structure of the support | pillar support member 57 and the beam material 20 is demonstrated.
As shown in FIG. 5, a plurality of grooves formed substantially horizontally along the length direction X are formed on the side surface 20 e of the beam member 20. A groove formed at the uppermost portion in the vertical direction Z is referred to as a first locking groove 71. The first locking groove 71 is formed with an opening 72 through which an upward piece 57b of a column support member 57 described later can be inserted, and a cavity 73 is continuously formed in the back of the opening 72. The cavity 73 is formed to bulge upward in the up-down direction Z with respect to the opening 72, and the upper portion of the opening 72 is configured as a vertical wall-shaped opening edge 72a. Further, a plurality of downward concave portions 72b are formed at predetermined positions on the opening edge portion 72a so as to face the opening portion 72.

  A second locking groove 75 is formed substantially horizontally along the length direction X below the first locking groove 71. The second locking groove 75 is formed with an opening 76 through which the square nut 59 (see FIG. 7) can be inserted, and a cavity 77 is continuously formed in the back of the opening 76. The cavity 77 is formed to be wider in the vertical direction Z than the opening 76, and the square nut 59 is locked by the edge of the opening 76 by rotating the square nut 59 in the axial direction. It is configured to be. Further, an upward concave portion 78 is continuously formed along the length direction X at the lower end portion 20 f of the side surface 20 e of the beam member 20. The lower end portion 57k of the support column support member 57 comes into contact with the recess portion 78 so that the support column support member 57 is supported.

  As shown in FIG. 6, the support column support member 57 is a component formed in a substantially L-shaped cross section. The column support member 57 is formed at an engagement portion between the rear piece 57c disposed so as to project from the side face 20e and the side face 20e of the rear piece 57c when attached to the side face 20e of the beam member 20. The upper piece 57b and the joining piece 57d thus formed, and the column part 57a extending upward in the up-down direction Z on the opposite side of the engaging part of the rear piece 57c with the side surface 20e. . Further, the joining piece 57d is formed with notches 57e on both sides in the length direction X for inserting a fixing screw 60 screwed into the square nut 59 disposed in the second locking groove 75.

  Further, a space 57g that is recessed downward from the upper surface 57f in the vertical direction Z is formed on the upper surface 57f of the column 57a, and the axis of the column 57a is formed from a substantially central portion of the bottom surface 57h of the space 57g. A female screw hole 57i is formed along the direction. A male screw member 61 (see FIG. 9) is screwed into the female screw hole 57i.

  Further, the joining piece 57d of the support column supporting member 57 is formed to be wide along the length direction X, and the upward piece 57b is continuously formed on the upper part of the joining piece 57d in a substantially L-shaped cross section. . The backward piece 57c is formed wide in the width direction Y, and the backward piece 57c is extended until it abuts on the upward piece 57b. Note that the length (thickness) of the rear piece 57c in the length direction X is formed with a length (thickness) that can be fitted into the recess 72b of the beam member 20. That is, the contact portion 57j of the backward piece 57c with the upward piece 57b can be fitted into the concave portion 72b of the beam member 20.

  As shown in FIG. 8, the display mounting stand 58 includes a column portion 58a connected to the column portion 57a of the column support member 57, and an arm portion 58b disposed substantially at right angles (horizontal direction) to the column portion 58a. And. A display (not shown) can be attached to the tip of the arm portion 58b. A female threaded hole 58d is formed in the connecting surface 58c of the supporting column part 58a with the supporting column support member 57 from the substantially central part of the connecting surface 58c along the axial direction of the supporting column part 58a. The male screw member 61 is screwed into the female screw hole 58d. The male screw member 61 is configured so that a nut 62 can be attached thereto.

(Table assembly method)
Next, an outline of a method for assembling the table 1 will be described.
First, the leg body 30 is arranged at a predetermined position on the floor surface F on which the table 1 is installed. At this time, the height and levelness of the two legs 30 are adjusted by the adjuster 33. In a state where the legs 30 are arranged, the beam members 20 are installed between the legs 30 and the beam members 20 and the legs 30 are fixed using the beam fixing bolts 40. At this time, the first bottom surface 23 of the beam member 20 and the first mounting surfaces 34A and 34B of the leg 30 are in contact with each other, and similarly, the second bottom surface 24 and the second mounting surfaces 35A and 35B are Are in contact with each other, and the third bottom surface 25 and the third placement surfaces 36A and 36B are in contact with each other. Further, the locked end 26 of the beam member 20 is locked to the locking piece 37 of the leg body 30 in the width direction Y, and is supported in a state of being reliably positioned. In addition, when attaching the beam fixing bolt 40, the side plate 31a of the main-body part 31 of the leg 30 is removed. In addition, the bottom plate 43a is engaged with each of the pair of beam bodies 20 in a fixed state, thereby closing the bottom portion serving as the through space 43.

  Next, the plate member 11 of the top plate 10 is placed on the beam member 20. First, the 1st to-be-latched piece 13 and the 2nd to-be-latched piece 14 are attached to the lower surface of each board member 11 which comprises the top plate 10, respectively. Next, each plate member 11 is placed on the beam member 20. At this time, each plate member 11 is arranged slightly outside the predetermined position in the width direction Y. Then, by sliding each plate member 11 from the outside in the width direction Y to the inside, the first locking groove 21a to which the first locked piece 13 and the second locked piece 14 correspond. And inserted into the second locking groove 21b and locked to the locking edges 21c and 21d, whereby the plate member 11 is reliably positioned in the vertical direction Z and the width direction Y. . Then, the top plate 10 is fixed to the beam member 20 by inserting the top plate fixing bolt 41 from the lower side of the beam member 20 into the insertion hole 29 and screwing it into the screw hole 12. The beam member 20 and the top plate 10 are in an integrally assembled state.

Next, the support member 15 is engaged with the side surface 20e of the beam member 20 at a predetermined position. Similarly, the column support member 57 is engaged with the side surface 20e of the beam member 20 at a predetermined position.
As shown in FIG. 10, in order to attach the column support member 57 to the beam member 20, the contact portion 57 j of the column support member 57 is a recess formed in the opening edge 72 a of the first locking groove 71 of the beam member 20. The column support member 57 is inserted into the first locking groove 71 obliquely from above so as to be fitted to 72b. When the column support member 57 is inserted into the first locking groove 71 so that the contact portion 57j and the recess 72b are fitted, the column support member 57 is rotated downward, and the joining piece 57d of the column support member 57 is moved to the side surface. It arrange | positions so that it may contact | abut 20e. Then, the fixing bolt 60 is inserted into the notch 57e of the joining piece 57d, and is screwed with the square nut 59 previously inserted into the hollow portion 77 of the second locking groove 75 of the side face 20e. It is fixed to the side surface 20e of the beam member 20. By doing so, the support column support member 57 is supported and fixed at a desired position of the beam member 20. Note that the lower end portion 57k of the support column support member 57 is in contact with the concave portion 78 of the side surface 20e of the beam member 20, and the support column support member 57 is supported.

Then, the top cover 53 is attached to the top of the support member 15 and the blind cover 54 is attached to the gap between the pair of top covers 53 facing in the width direction Y. At this time, the column portion 57a of the column support member 57 is inserted into and attached to the through hole 55 formed in the blind cover 54.
On the other hand, a male screw member 61 is screwed into the female screw hole 58d of the display mounting stand 58, and a nut 62 is screwed into the male screw member 61 so that the connecting surface 58c and the nut 62 are in contact with each other. .

  Then, as shown in FIG. 11, the display mounting stand 58 is connected to a support column support member 57. At this time, the male screw member 61 until the nut 62 on the display mounting stand 58 side is accommodated in the space 57g of the support column support member 57 in a side view (until the nut 62 contacts the bottom surface 57h of the support column support member 57). Is screwed into the female screw hole 57 i of the support column support member 57. In this way, the assembly of the table 1 is completed.

  According to the present embodiment, since the display mounting stand 58 and the column support member 57 are connected by screwing using the male screw member 61, the display mounting stand 58 and the column support member 57 are connected firmly and stably. be able to. Further, the display mounting stand 58 and the column support member 57 are connected so that at least a part of the nut 62 abutted on the connection surface 58 c of the display mounting stand 58 is accommodated in the space 57 g of the column support member 57. Therefore, the male screw member 61 that connects the display mounting stand 58 and the column support member 57 is connected in a state where it cannot be seen from the outside. Therefore, the appearance of the connecting portion between the display mounting stand 58 and the column support member 57 can be satisfactorily accommodated. Further, when the display mounting stand 58 and the column support member 57 are used alone without being connected, the external thread portion is not formed so as not to protrude, so that the appearance of the column itself does not deteriorate.

  In addition, since the center axes of the display mounting stand 58 and the column support member 57 are aligned and connected, the display mounting stand 58 and the column support member 57 are connected in a straight line, and the appearance of the connected state is improved. Can keep.

(Second embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS. In this embodiment, only the connection structure between the column support member and the display mounting stand is different, and the other configurations are substantially the same as those in the first embodiment. Description is omitted.
As shown in FIG. 12, a sleeve portion 158 e is formed on the periphery of the connecting surface 158 c of the display mounting stand 158 so as to protrude outward in the axial direction of the display mounting stand 158. The sleeve portion 158 e is formed with a size (diameter) that can be fitted around the outer periphery of the support column support member 57. That is, the diameter of the display mounting stand 158 is formed larger than the diameter of the support column support member 57.

  According to this embodiment, in addition to the function and effect of the first embodiment, the nut 62 positioned in the gap between the connection portion of the display mounting stand 158 and the support column support member 57 is attached to the sleeve portion 158e of the display mounting stand 158. Can be covered. Accordingly, the display mounting stand 158 and the support column support member 57 can be visually recognized as being directly connected, and the appearance of the connection portion between the display mounting stand 158 and the support column support member 57 can be satisfactorily accommodated.

  As shown in FIG. 13, the diameter of the display mounting stand 158 is formed smaller than the diameter of the support column support member 57, and the sleeve portion 158e is fitted in the space 57g of the support column support member 57. Also good. In this way, the nut 62 can be covered with the support column support member 57.

(Third embodiment)
Next, a third embodiment of the present invention will be described with reference to FIG. In this embodiment, only the connection structure between the column support member and the display mounting stand is different, and the other configurations are substantially the same as those in the first embodiment. Description is omitted.
As shown in FIG. 14, a sleeve portion 258 e is formed on the periphery of the connecting surface 258 c of the display mounting stand 258 so as to protrude outward in the axial direction of the display mounting stand 258. The sleeve portion 258 e is formed with a size (diameter) that is in contact with the outer periphery of the support column support member 57. That is, the diameter of the display mounting stand 158 and the diameter of the support column support member 57 are formed with substantially the same size.

  According to the present embodiment, since the outer shapes of the display mounting stand 258 and the column support member 57 are formed with substantially the same diameter, the connection portion is substantially surfaced when the display mounting stand 258 and the column support member 57 are connected. Can be one. Therefore, at first glance, the connecting portion between the display mounting stand 258 and the column support member 57 cannot be visually recognized, and the appearance of the state where the display mounting stand 258 and the column support member 57 are connected can be kept better. it can.

It should be noted that the technical scope of the present invention is not limited to the above-described embodiment, and includes those in which various modifications are made to the above-described embodiment without departing from the spirit of the present invention. That is, the specific shapes, configurations, and the like given in the embodiment are merely examples, and can be changed as appropriate.
For example, in the present embodiment, the connection structure between the support column support member and the display mounting stand has been described. However, substantially the same structure may be employed at a place where a similar configuration can be realized.
Further, in the present embodiment, the description has been given of the case where the column support member is attached by being locked to the concave portion of the beam material, but the column support member can be attached at an arbitrary position of the first engagement groove. May be.

It is a perspective view of the table in the embodiment of the present invention. It is a side view of the table in embodiment of this invention. It is sectional drawing which follows the AA line of FIG. It is sectional drawing which follows the BB line of FIG. It is drawing of the beam material in embodiment of this invention, (a) Partial perspective view, (b) Partial detail drawing (C section detail of (a)). It is drawing of the support | pillar support member in embodiment of this invention, (a) Front view, (b) Side view (D arrow view of (a)). It is a perspective view of the square nut in the embodiment of the present invention. It is a side view of the display mounting stand in the embodiment of the present invention. It is a perspective view of the external thread member and nut in the embodiment of the present invention. It is sectional drawing which follows the CC line of FIG. It is a fragmentary sectional view which shows the connection structure of the display attachment stand and support | pillar support member in 1st embodiment of this invention. It is a fragmentary sectional view which shows the connection structure of the display attachment stand and support | pillar support member in 2nd embodiment of this invention. It is a fragmentary sectional view which shows another aspect of the connection structure of the display attachment stand and support | pillar support member in 2nd embodiment of this invention. It is a fragmentary sectional view which shows the connection structure of the display attachment stand and support | pillar support member in 3rd embodiment of this invention.

Explanation of symbols

  57 ... Column support member (second column) 57f ... Upper surface (column end surface) 57g ... Space 57h ... Bottom surface 57i ... Female screw hole (second female screw hole) 58, 158, 258 ... Display mounting stand (first column) 58c, 158c, 258c ... Connecting surface (support end surface) 58d ... Female screw hole (first female screw hole) 61 ... Male screw member 62 ... Nut (nut member) 158e, 258e ... Sleeve

Claims (5)

In the strut connection structure that connects the struts,
A first support column in which a first female screw hole facing the longitudinal direction of the support column is formed on the support column end surface;
A second support column in which a space portion recessed inward from the support column end surface is formed on the support column end surface, and a second female screw hole is formed from the bottom surface of the space portion to the longitudinal direction of the support column. When,
A cylindrical male screw member having a male screw formed over the entire outer circumference;
A nut member screwed onto the male screw member,
While the one end portion of the male screw member is screwed into the first female screw hole, the nut member is screwed into the male screw member, so that the column end surface of the first column and the nut member are brought into contact with each other. And making the male screw member adhere to the first support post,
The first strut and the second female screw hole and the other end of the male screw member are screwed together while accommodating at least part of the nut member in the space of the second strut. A strut connecting structure characterized in that the second strut can be connected. A sleeve portion is formed on the periphery of the column end surface of the first column to protrude outward in the axial direction of the first column,
The strut connection structure according to claim 1, wherein when connecting the first strut and the second strut, the sleeve portion is fitted on the outer periphery of the second strut. A sleeve portion is formed on the periphery of the column end surface of the first column to protrude outward in the axial direction of the first column,
The strut connection structure according to claim 1, wherein when connecting the first strut and the second strut, the sleeve portion is fitted in the space portion of the second strut.   The first strut and the second strut are formed in a circular cross section, and the central axes of the first female screw hole and the second female screw hole are formed at the center of each strut. The support | pillar connection structure in any one of Claims 1-3 to do.   The strut connection structure according to any one of claims 1 to 4, wherein the first strut and the second strut are formed with substantially the same diameter.

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