JPH08158515A - Mounting structure of bracket - Google Patents

Abstract

PURPOSE: To facilitate the mounting work, providing a high supporting strength for a bracket. CONSTITUTION: With respect to a supporting member 3 in which a pair of engaging grooves 3a, 3a are formed in a longitudinal direction, an engaging part 5a is formed on each end of a pair of bracket members 5A, 5B. The engaging parts 5a can be engaged with the grooves 3a, 3a, respectively. The members 5A, 5B are inserted into the member 3 to bring the engaging parts 5a, 5a into engagement with the grooves 3a, 3a, respectively and thereafter an insertion holding plate 6 is inserted into between the members 5A, 5B to fix the members 5A, 5B.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bracket mounting structure in which a bracket member can be easily mounted on a support member and is excellent in strength and appearance.

[0002]

2. Description of the Related Art For example, in a large-open curtain wall made of double-layer glass covering the entire outer wall, which is applied to the first and second floors of a building or the like, as shown in FIG. The truss support members 49, 49 ...
Curtain wall panels 48 are attached to 9, 49, ....

The curtain wall will be described in detail with reference to FIGS. 13 and 14. First, in the truss support member 49, the rear chord member 50 and the front chord member 51 are arranged in parallel at a predetermined interval. Both strings 5
The diagonal members 54, 54 ... Are arranged in a warren truss shape between 0 and 51. The diagonal members 54 are connected to each other by using the diagonal bracket 52 having a substantially T-shaped cross section. , The head flange 52a of the diagonal bracket 52 to the chord members 50, 5
1 is fitted into a fitting groove formed inside, the backing material 53 is attached with the support wall sandwiched, and bolts 55, 55 ... Penetrating these are screwed to fix the diagonal bracket 52. Done, then these diagonal brackets 5
A diagonal member 54 is connected between the two members 52 by a passing pin 59. Similarly, the attachment of the upright bracket 56 is similar to the head flange 56a of the upright bracket 56 having a substantially T-shaped cross section.
Is fitted in a fitting groove formed inside the front chord member 51, a backing member 57 is attached with a support wall sandwiched therebetween, and bolts 55, 55 ... It is being appreciated. In addition, 60 is a blind provided at an appropriate position in the height direction of the cube 58.

[0004]

However, in the case of the mounting structure of the diagonal bracket 52 and the vertical bracket 56 described above, the heads of the brackets 52 and 56 are attached to the supporting walls of the chord members 50 and 51, which are supporting members. Abutting the flange surface,
Since it is a method of fixing with bolts, the supporting strength depends on the surface shearing force of the bolts. Therefore, there are problems that a large number of bolts are required for each bracket mounting portion and that the bolt fastening work requires a lot of labor and time.

Further, in order to fit the head flanges 52a and 56a of the brackets 52 and 56 into the fitting grooves of the chord members 50 and 51, an opening is formed in a portion adjacent to the bracket mounting portion, and the opening is formed from the opening. Head flange 52a, 56a
Since it was inserted and fitted and then slid to the proper position for attachment, a large opening was formed in a place adjacent to the brackets 52 and 56, and the appearance was poor.

Therefore, a main object of the present invention is to provide a bracket mounting structure which is very easy to mount, has a high bracket supporting strength, and has an advantage of not forming an extra opening for a supporting member. To do.

[0007]

In order to solve the above-mentioned problems, the present invention provides a support member having a receiving / engaging portion formed in the longitudinal direction thereof, and a receiving / engaging portion of the supporting member at one end. An engaging portion that engages with the bracket member is formed, and the engaging portion independently engages and disengages with the receiving and engaging portion of the support member; An insertion holding plate that holds the portion in a pressed state with respect to the receiving and engaging portion of the support member, in a state in which the engaging portion of the bracket member is engaged with the receiving and engaging portion of the support material, The insertion holding plate is inserted to fix the bracket member.

Further, in this case, the receiving / engaging portions of the supporting member are formed in a pair so as to face each other, and the bracket members are formed as a set of two, and the receiving / engaging portions formed in the pair are provided. The bracket members may be fixed by engaging the engaging portions of the bracket members with each other and inserting the insertion holding member in the middle of the bracket members.

Further, a collar-shaped projection is formed on an intermediate portion of the bracket member, and the collar-shaped projection is formed in the support material so as to match the outer shape of the support material when the bracket member is fixed. Further, the brim-shaped protrusion can be formed according to the shape of the insertion opening of the bracket member.

On the other hand, it is possible to form thick portions at both ends of the insertion holding plate in the longitudinal direction of the support material and to fit the bracket member between the thick portions.

[0011]

In the present invention, the insertion holding plate is inserted and the bracket member is fixed while the engaging portion of the bracket member is engaged with the receiving and engaging portion of the support member.

Therefore, the bracket member can be easily fixed only by inserting the insertion holding plate, without the need for bolting work as in the conventional case. Further, the receiving / engaging portions of the supporting member are formed in a pair so as to face each other, and the bracket members are made into a pair, and the brackets are engaged with the receiving / engaging portions formed in the pair. When fixing the bracket member by inserting the insertion holding member in the middle, the strength of the bracket itself can be sufficiently ensured. Furthermore, when the shape of the bracket insertion opening formed in the support member and the outer shape of the flange-shaped projection of the bracket member are made the same, the end surface of the bracket member and the wall surface of the insertion opening formed in the support member are Since it is in the contact state, it is possible to secure sufficient shear strength.

On the other hand, according to the present invention, since the bracket member is directly inserted into the bracket insertion hole formed in the supporting member, the amount of cutting work is reduced and an extra opening is formed in the supporting member. It does not have to be formed and has an excellent appearance. Further, when thick portions are formed at both ends in the longitudinal direction of the support member of the insertion holding plate and the bracket member is fitted between the thick portions, the thick portion suppresses the displacement of the bracket member. At the same time, the end face can be hidden and the appearance can be improved.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings. FIG. 1 is a horizontal sectional view of a truss support member 1 to which a bracket mounting structure according to the present invention is applied. In the truss support member 1, a front chord member 2 (a member corresponding to the vertical direction) and a rear chord member 3 which are arranged in parallel at a predetermined interval are provided with a diagonal bracket 5.
, Which are connected by diagonal members 4, 4, ... arranged in a warren truss through the glass, and when wind pressure is applied to the glass, the load on the glass surface is transmitted to the glass frame material, and finally the truss. It is adapted to be supported by the support material 1. In this case, the front chord member 2 serves as a compression member and the rear chord member 3 serves as a tensile member to resist a load.

The front and rear chord members 2 and 3 (hereinafter also simply referred to as chord members) are mold members manufactured by extrusion molding, and are usually manufactured as hollow members having a support wall inside. In the present invention, inside the chord members 2 and 3, engagement grooves 3a and 3a, which are the receiving and engaging portions according to the present invention, are formed along the member longitudinal direction.

Bracket 5 for the chords 2 and 3
When mounting the above, first, the bracket insertion holes 2b and 3b are formed in the chord members 2 and 3, respectively. Specifically, according to the outer shape of the bracket 5, a notch is formed with a dimension of length L of the diagonal bracket 5 shown in FIG. 2 × width B shown in FIG. The insertion holes 2b and 3b are formed.

The diagonal bracket 5 is, in this embodiment, a right bracket member 5A and a left bracket member 5B.
And the insert holding plate 6 interposed between the left and right bracket members 5A and 5B, and the left and right bracket members 5A and 5B are fixed to the chord members 2 and 3 by the insertion of the insert holding plate 6. It is designed to be held at.

The engaging structure of the diagonal bracket 5 will be described in more detail. The engaging grooves 2a, 3 of the chord members 2, 3 are formed at the tips of the insertion portions of the left and right bracket members 5A, 5B, respectively.
The engaging portion 5a that engages with a is formed, as shown in FIG.
As shown in FIG. 1, first, the left and right bracket members 5A and 5B are inserted into the bracket insertion holes 3b, and the engaging portions 5a formed on the left and right bracket members 5A and 5B are attached to the chord members 3 respectively. After engaging with the mating groove 3a, the insertion holding plate 6 is inserted between the left and right bracket members 5A, 5B by pushing. This insert holding plate 6
The left and right bracket members 5A, 5B are pressed laterally, that is, toward the engaging groove 3a of the chord member 3, respectively, and the engaging portions 5a of the left and right bracket members 5A, 5B and the engaging groove 3a of the chord member 3 are inserted. Are engaged with each other, and the diagonal bracket 5
It is fixedly held so that it will not come off even if force is applied to it. Further, even if a force in the width direction or the longitudinal direction of the chord members 2 and 3 is applied to the diagonal member bracket 5, the diagonal member bracket 5 is approximately in the peripheral surface with respect to the bracket insertion hole 3b of the chord members 2 and 3. The diagonal bracket 5 is inserted in contact with
Since the end surface of the chord member contacts each wall surface of the bracket insertion hole 3b, the chord members 2 and 3 are not displaced in the width direction and the longitudinal direction.

Further, the left and right bracket members 5A, 5B
A collar-shaped projection 5b is formed in the middle part of the shape, and when the left and right bracket members 5A and 5B are fixed, the outer shape of the chord members 2 and 3, that is, the circular shape in the example of FIG. There is.

By this method, the diagonal brackets 5, 5, ...
When the installation of the above is completed, the diagonal member 4 is installed. As shown in FIG. 4, the diagonal member 4 has a substantially semicircular shape.
By engaging the engaging pieces 4a and 4b formed on the mating surfaces of A and 4B with each other, the members have a circular cross section as a whole, and both ends thereof are as shown in FIG. Both side peripheral surface portions are cut to form a bolt seat surface 4c, and the engaging pieces 4a and 4b are cut to form an engaging concave portion 4d. In connection, the engagement recess 4d is fitted into the diagonal bracket 5 and inserted through both the pin hole formed in the diagonal bracket 5 and the pin hole formed in the engagement concave 4d. Are connected by a connecting pin 7.

On the other hand, the seamless bracket 10 is attached to the outdoor side of the front chord member 2, and the seamless brackets 14 and 14 are fixed to the seamless bracket 10 with bolts 13 and 13. In this example, the seamless bracket 10 is also attached in the same manner as the diagonal bracket 5. The seamless bracket 10 includes a substantially L-shaped right seamless bracket member 10A and a substantially L-shaped left seamless bracket member 1A.
0B and these left and right blind bracket members 10A, 10
It is composed of an insertion holding plate 11 interposed between B. First, the left and right seamless bracket members 10A, 10B are inserted so as to engage with the engagement grooves 2c, 2c of the front chord member 2, Next, these left and right blind brackets 10A, 1
By inserting the insertion holding plate 11 between 0B, the left and right seamless bracket members 10A, 10B are fixed so as not to come off. Also, these left and right blind bracket members 1
The fixing of 0A, 10B and the insertion holding plate 11 is performed by a bolt 12 provided through them.

By the way, in the above-mentioned bracket mounting structure, as shown in FIG. 6, at the chord members 2 and 3 of the insertion holding plate 6 at both ends in the longitudinal direction, arrow-shaped thick portions 6a,
By forming 6a and fitting the left and right bracket members 5A, 5B so as to fit between the thick portions 6a, 6a, the end surfaces of the left and right bracket members 5A, 5B are hidden and the overall appearance is good. . Further, it is possible to prevent the insertion holding plate 6 and the left and right bracket members 5A and 5B from being displaced from each other. In this case, as the shape of the thick-walled portion, a T-shaped thick-walled portion 6b may be used as shown in FIG. 7, or a thick-walled portion having a semicircular cross-section, although not shown. For example, it can be formed in any shape so as to blind the end surfaces of the left and right brackets 5A and 5B.

Further, the bracket members 5A, 5B, 10A
Normally, only one engagement of the chord members 2 and 3 (support member) is sufficient, but in order to increase the shear strength, for example, as shown in FIG. One engaging groove 3
It is also possible to increase the shear strength of the bracket 5 in the pull-out direction by forming the engaging grooves 3a, a, 3a or more.

Next, a second embodiment of the bracket mounting structure according to the present invention is shown in FIG. In the second embodiment, the cross section of the front chord member 2A (rear chord member 3A) is configured by a circular peripheral wall and a cross-shaped support wall 2d (3c) formed therein, and This is an example in which the engaging grooves 2a, 2c (3a) are formed at the intersections of the support walls 2d (3c), and the tip end shape of the slant brackets 20 and 21 is formed into an arrowhead shape (triangular shape). In the case of this example, since the supporting walls 2d (3c) in the chord members 2A and 3A are formed in a cross shape and the engaging grooves are formed at all intersections, any direction in the cross direction is obtained. The bracket can be attached to the.

A third embodiment of the bracket mounting structure according to the present invention is shown in FIG. In the third embodiment, the cross section of the front chord member 2B (rear chord member 3B) is composed of a substantially rectangular peripheral wall and a substantially V-shaped support wall 2e (3d) formed inside the peripheral wall. At the same time, the substantially V-shaped support wall 2e (3
This is an example in which the engaging groove 2f (3e) is formed in the bent portion of d), and the tip end shape of the insertion portion of the diagonal brackets 23 and 24 is formed into an arrowhead shape (triangular shape).

On the other hand, in the above embodiment, a pair of left and right bracket members 5A, 5B, 10A ... Are used as the diagonal members or the blind brackets 5, 10 ..., and the insertion holding plates 6, 11 ... Are inserted between them. The bracket members 5A, 5B, 10A ... Are fixed by the above, but as shown in FIG. 11, the bracket may be composed of one bracket member 30 and one insert holding plate 31.

[0027]

As described in detail above, according to the present invention, the mounting is very easy, the bracket supporting strength is high, and the aesthetic appearance is excellent because no extra opening is formed in the supporting material. A bracket mounting structure having an advantage can be obtained.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a truss support member using a bracket mounting structure according to the present invention.

FIG. 2 is a side view of a main portion of a truss support member using the bracket mounting structure according to the present invention.

FIG. 3 is a view taken along the line III-III in FIG.

FIG. 4 is a view taken along the line IV-IV of FIG.

FIG. 5 is a diagram showing how to install the bracket.

FIG. 6 is a view taken along the line VV of FIG.

FIG. 7 is another example of a view taken along the line VV of FIG.

FIG. 8 is another engagement mode diagram of the chord member and the bracket member.

FIG. 9 is a cross-sectional view of the truss support member according to the second embodiment.

FIG. 10 is a cross-sectional view of a truss support member according to a third embodiment.

FIG. 11 is another engagement mode diagram of the chord member and the bracket member.

FIG. 12 is a schematic perspective view of a curtain wall using a truss support material.

FIG. 13 is a partial cutaway side view of a truss support member.

FIG. 14 is a horizontal sectional view of a curtain wall using a truss support material.

[Explanation of Codes] 1 ... Truss support material, 2A / 2B ... Front chord material, 2a
2c / 3a ... Engaging groove (reception engaging part), 3A / 3B ... Rear chord member, 2b / 3b ... Bracket insertion hole, 4 ... Oblique member, 5
... diagonal bracket, 5A ... right bracket member, 5B ... left bracket member, 5a ... engaging part, 5b ... flange-like projection, 6 ...
11 ... Insert holding plate, 6a, 6b ... Thick part, 7 ... Connecting pin, 10 ... Eyeless bracket, 10A ... Right eyeless bracket member, 10B ... Left eyeless bracket member

Claims (5)

[Claims] 1. A support member having a receiving / engaging portion formed along the longitudinal direction inside thereof, and an engaging portion engaging with the receiving / engaging portion of the supporting member at one end thereof. Then, the bracket member in which the engaging portion is in the engagement / disengagement relationship with the receiving / engaging portion of the support member, and the engaging portion of the bracket member are pressed against the receiving / engaging portion of the support material. An insert holding plate for holding, wherein the insert holding plate is inserted and the bracket member is fixed in a state in which the engaging portion of the bracket member is engaged with the receiving engaging portion of the support member. Bracket mounting structure featuring. 2. The receiving / engaging portions of the support member are formed in a pair so as to face each other, and the bracket members are formed as a pair, and the bracket / engaging portions of the bracket member are formed with respect to the receiving / engaging portions formed in the pair. The bracket mounting structure according to claim 1, wherein the engaging members are engaged with each other, and the insertion holding member is inserted into the middle of the bracket members to fix the bracket members. 3. A bracket-shaped projection is formed on an intermediate portion of the bracket member, and the flange-shaped projection is shaped to match the outer shape of the support member when the bracket member is fixed. Bracket mounting structure. 4. The bracket mounting structure according to claim 3, wherein the flange-shaped projection is formed in conformity with the shape of the insertion opening of the bracket member formed in the support member. 5. The bracket mounting structure according to claim 1, wherein a thick wall portion is formed at both ends of the insertion holding plate in the longitudinal direction of the support member, and the bracket member is fitted between the thick wall portions.