JP4680749B2 - Bracket support structure - Google Patents

Description

  The present invention relates to a bracket support structure for fixing and supporting a supported member such as a top plate on a bracket attached to a support base in various fixtures.

  As a bracket for fixing and supporting a supported member such as a top plate, a flat base piece arranged upward on a support base in a fixture, and a bracket provided continuously from the upper end of the base piece to the side A member to be supported on the bracket by placing a member on the upper surface of the main body and screwing a fixing screw from below into a screw hole provided on the lower surface of the supported member through an insertion hole formed in the bracket main body. Many are fixed (for example, Patent Documents 1, 2, 3, and 4). According to these techniques, the supported member can be fixed to the bracket reliably and inexpensively with a simple structure.

  However, in these techniques, since the screw hole must be formed in the supported member, the supported member is a thin top plate such as glass or acrylic, and it is difficult to provide the screw hole on the lower surface. In that case, it could not be applied. In this case, if the screw hole is formed in the bracket body and the insertion hole is formed on the supported member side and the fixing screw is screwed from above, the supported member can be fixed to the bracket. Depending on the material, etc., different brackets had to be manufactured, and there was a problem that cost and labor were required.

  As another method, when the support member is fixed to the bracket by forming insertion holes in both the bracket body and the supported member and fastening with bolts and nuts from above and below through these insertion holes. However, according to this method, it is necessary to secure a sufficient working space on both the upper and lower sides, and in the mounted state, the nut is exposed to the outside, which has a problem that the appearance is bad. .

Furthermore, when the supported member is supported by the bracket by these methods, there is also a problem that the mounting height of the supported member is limited to a fixed height and the mounting height cannot be adjusted.
JP 2005-160836 A JP 2005-131133 A JP 2003-79440 A JP-A-5-285013

  The present invention is not limited to the case where the supported member is made of wood or steel in view of the above-described problems of the prior art, but is a thin top plate or shelf plate made of a material that is easily damaged such as glass or acrylic. Even in this case, it is an object to provide a bracket support structure that can be fixedly supported using the same bracket and can be adjusted in at least two stages.

The above-described problems are solved by the invention having the following configuration, as shown in each of the claims.
(1) A bracket support structure in which a supported member is fixed and supported on a bracket attached to a support base, and a vertical insertion hole is provided in a fixing portion of the bracket for fixing the supported member. A recess for a nut that can be fitted with a hexagonal nut concentrically with the hole is provided on the lower surface of the fixed part so as to be recessed upward, and has a cylindrical shape that faces in the vertical direction, concentric with the insertion hole that is a cylindrical hole A spacer is formed by providing a recess for a nut into which the hexagonal nut can be fitted so as to be recessed upward on the lower surface, and the spacer is disposed above or below the fixed portion, and both the spacer and the fixed portion are arranged. Insert the fixing screw into the insertion hole from above via the fixing screw through hole drilled in the supported member, and insert it into the hexagonal nut fitted into the nut recess provided on the lower surface of the fixed part or spacer. Screwed or the same Spacers are arranged above or below the fixing portion, and fixing screws are inserted from both below into the insertion holes of the spacer and the fixing portion and screwed into screw holes formed on the lower surface of the supported member. Thus, the bracket structure is configured such that the supported member is fixed and supported on the bracket.

  (2) In the above item (1), an engagement recess is provided on each upper surface of the spacer and the fixing portion of the bracket, and the engagement recess and the complement are provided on each lower surface of the spacer and the fixing portion of the bracket. The engaging convex portion to be formed is provided so as to protrude downward.

  (3) In the above item (2), the engagement concave portions and the engagement convex portions in the spacer and the fixing portion of the bracket are provided concentrically with the insertion hole.

  (4) In any one of the above items (1) to (3), a stopper recess that is recessed downward is provided at a position deviated from the axis on the upper surface of the spacer, and is provided on the lower surface of the fixing portion of the bracket. A stopper convex portion that protrudes downward and complements the stopper concave portion is provided, and the stopper convex portion is fitted into the stopper concave portion.

  (5) In any one of the above items (1) to (4), a plurality of spacers are disposed above the fixed portion of the bracket.

  (6) In any one of the above items (1) to (5), the spacer is disposed so as to overlap above or below the fixing portion of the bracket, and fixing screws are inserted into both insertion holes of the spacer and the fixing portion. Is inserted into the screw hole formed on the lower surface of the supported member, and the head of the fixing screw is immersed in the recess for the nut provided on the lower surface of the spacer or the fixing portion of the bracket. Let

  (7) In any one of the above items (1) to (6), in order to protect the supported member between the lower surface of the supported member and the upper surface of the spacer or the fixing portion of the bracket facing the supported member. A soft or elastic protective member is interposed.

According to the present invention, the following effects can be obtained.
According to the first aspect of the present invention, when the supported member is relatively thick, such as wooden, and can be provided with a screw hole on the lower surface thereof, both the spacer and the insertion hole of the fixing portion of the bracket are provided. When the fixing screw is inserted from below and screwed into the screw hole, on the other hand, the supported member is made of a thin and easily damaged material such as glass or acrylic, and the screw hole cannot be provided on the lower surface. The fixing screw is inserted into the both insertion holes of the spacer and the fixing portion of the bracket from above through the fixing screw through hole formed in the supported member, and is provided on the lower surface of the fixing portion or the spacer. By screwing into the hexagon nut fitted in the nut recess, in any case, the same bracket can be used to fix and support the body.
In addition, the two-stage height adjustment can be easily performed when the spacer is disposed below the bracket fixing portion and when the spacer is disposed above the bracket.
Further, by arranging a plurality of spacers on the fixed portion of the bracket, it is possible to adjust the spacer thickness to an arbitrary height.

  According to the second aspect of the invention, by engaging the engaging convex portion with the engaging concave portion, the spacer and the fixing portion of the bracket can be easily positioned at the time of assembling, and after the assembling. It is possible to prevent the positional deviation between the two.

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 2, it is possible to reliably prevent the spacer and the fixing portion of the bracket from being displaced from the axis after assembly.

  According to the fourth aspect of the present invention, when the spacer is disposed so as to be overlapped below the fixed portion of the bracket, the spacer is fixed by fitting the stopper concave portion on the lower surface of the fixed portion to the stopper convex portion on the lower surface of the fixed portion. Since the rotation of the spacer when screwing the working screw is prevented, the assembling work can be performed efficiently.

  According to the fifth aspect of the present invention, the supported member can be attached to a desired height in units of the spacer thickness by appropriately selecting the number of spacers to be used.

  According to the invention described in claim 6, since the head of the fixing screw is not exposed to the outside, the appearance is good.

  According to the seventh aspect of the present invention, even when the top plate or the shelf plate is easily broken such as glass or acrylic, the breakage can be effectively prevented.

  FIG. 1 is a perspective view of a horizontally long table as an embodiment having a bracket support structure of the present invention, and FIG. 2 is an enlarged side view partially showing a broken line circle II in the horizontally long table shown in FIG. 3 is an enlarged exploded perspective view in the broken-line circle II shown in FIG. 1, FIG. 4 is an enlarged side view showing a part of the fixing portion of the bracket, FIG. 5 is an enlarged perspective view of the spacer, and FIG. Similarly, the enlarged central longitudinal sectional view of the spacer, and FIGS. 7 to 10 are enlarged side views showing a partial cross-sectional view for explaining the bracket support structure.

  The bracket support structure of the present invention is used for various fixtures used in offices, lecture halls, and others, including fixtures such as the horizontally long table (1) shown in FIG.

  As shown in FIGS. 1 and 2, the bracket (2) is attached to the front upper end of the back plate (support base) (3) of the horizontally long table (1). As shown in FIGS. 2 and 3, the bracket (2) includes an attachment base (4), an arm portion (5) extending obliquely forward and upward from the attachment base (4), and the arm portion ( 5) and a fixing portion (6) provided at the front end.

  The arm portion (5) is composed of a vertical plate extending obliquely upward in the forward and lower direction, and the mounting base portion (4) in the left-right direction is provided at the rear end portion.

A reinforcing piece (7) having a triangular shape in plan view is provided between a portion of the mounting base (4) protruding from the left and right of the arm (5) and the arm (5). Through holes (4b) and (4b) are provided in the left and right protruding portions of the mounting base (4). On the other hand, at the upper end of the front surface of the back plate (3) of the horizontally long table (1), a deep wide groove (8) whose back is wider in the vertical direction than the opening (8a) is provided in the left-right direction.
A screw seat (9) is inserted into the deep wide groove (8).

  At the left and right ends of the mounting base (4) of the bracket (2), there are provided locking pieces (4a) and (4a) facing rearward. The locking pieces (4a) and (4a) are locked to the opening (8a) of the deep wide groove (8) of the back plate (3), and the rear surface of the mounting base (4) is fixed to the deep wide groove (8 ), The mounting screws (10) and (10) are inserted through the through holes (4b) and (4b) of the mounting base (4) from the front and screwed into the screw seat (9). Thus, the bracket (2) is attached to the upper end of the back plate (3).

  As shown in FIGS. 3 and 4, the fixing portion (6) in the bracket (2) has a cylindrical shape, and an insertion hole (11) in the vertical direction is provided at the axial position.

On the lower surface of the fixed portion (6), a nut recess (12) into which a hexagonal nut can be fitted is recessed upward and provided concentrically with the insertion hole (11). An engaging recess (13) having a circular shape in plan view is provided on the upper surface of the fixing portion (6) so as to be concentric with the insertion hole (11), and the nut recess (12) on the lower surface of the fixing portion (6). An engaging projection (14) that complements the engaging recess (13) is provided so as to protrude downward.
On the other hand, a spacer (15) having a shape similar to that of the fixed portion (6) in the bracket (2) is formed.

  As shown in FIGS. 5 and 6, the spacer (15) has a cylindrical shape with the same outer diameter as that of the fixed portion (6) and faces in the vertical direction. The concave portion (16) is recessed upward and is provided concentrically with the insertion hole (17) which is a cylindrical hole.

  On the upper surface of the spacer (15), an engagement recess (18) having a circular shape in plan view is provided concentrically with the insertion hole (17), and around the nut recess (16) on the lower surface of the spacer (15). Is provided with an engaging convex portion (19) that complements the engaging concave portion (18) so as to protrude downward.

  A radial stopper recess (20) that is recessed downward is provided at a position deviating from the axis on the upper surface of the spacer (15).

  The stopper recess (20) is formed on the lower surface of the fixed portion (6) of the bracket (2) so as to complement the stopper protrusion (21) (see FIG. 4) protruding downward. . The stopper convex portion (21) is formed by connecting the lower portion of the front end of the arm portion (5) to the lower surface of the fixed portion (6) so as to protrude downward.

  Using these brackets (2) and spacers (15), the top plate (22) as a supported member is fixed as follows.

  First, as a first embodiment, as shown in FIGS. 2 and 3, a case will be described in which a top plate (22) having a considerable thickness of wood or the like and having a screw hole on the lower surface is fixed.

  As shown in these drawings, first, the spacer (15) is disposed below the fixing portion (6) of the bracket (2). When stacking, the engaging protrusion (14) and the stopper protrusion (21) on the lower surface of the fixed portion (6) are respectively placed on the engaging recess (18) and the stopper recess (20) on the upper surface of the spacer (15). Fit.

  Next, the fixing screw (23) is inserted from below into the insertion holes (17) and (11) of the spacer (15) and the fixing portion (6), and screw holes ( The top plate (22) can be fixed to the fixing portion (6) of the bracket (2) by being screwed to 24). The head (23a) of the fixing screw (23) is immersed in the nut recess (16) on the lower surface of the spacer (15) and is not exposed to the outside.

  Next, as a second form, when it is desired to support the height of the top plate (22) at a position higher than the first form, the following is performed.

  As shown in FIG. 7, first, the spacer (15) is disposed above the fixing portion (6) of the bracket (2). When overlapping, the engaging convex part (19) on the lower surface of the spacer (15) is fitted into the engaging concave part (13) on the upper surface of the fixing part (6).

  Next, the fixing screw (23) is inserted from below into the insertion holes (11), (17) of the fixing portion (6) and the spacer (15), and screw holes ( 24), the top plate (22) can be supported by the bracket (2) at a position higher by the thickness of the spacer (15) in the vertical direction than in the first embodiment. .

  Next, as a third embodiment, a case where a thin top plate (25) made of a material that is easily damaged, such as glass or acrylic, is fixed as shown in FIG.

  As shown in FIG. 8, first, as in the case of the first embodiment, the spacer (15) is disposed below the fixing portion (6) of the bracket (2). Next, the hexagon nut (26) is fitted into the nut recess (16) on the lower surface of the spacer (15).

  Next, a protective member (27) made of an elastic or soft material such as rubber or soft resin for protecting the top plate (25) is provided between the lower surface of the top plate (25) and the upper surface of the fixing portion (6). The protective member (27), the fixing portion (6), the spacer (15) are inserted through the fixing screw through hole (29) drilled in the top plate (25) from above through the fixing screw (28). ) Are inserted through the insertion holes (27a), (17), and (11) and screwed into the hexagon nuts (26) fitted in the nut recesses (16) of the spacer (15). 25) can be fixed to the fixing part (6) of the bracket (2).

  Next, as a fourth form, when it is desired to support the height of the top plate (25) at a position higher than the third form, the following is performed.

  As shown in FIG. 9, first, as in the case of the second embodiment, the spacer (15) is disposed over the fixing portion (6) of the bracket (2). Next, the hexagon nut (26) is fitted into the nut recess (12) on the lower surface of the fixed portion (6).

  Next, a protective member (27) for protecting the top plate (25) is interposed between the lower surface of the top plate (25) and the upper surface of the spacer (15), and the fixing screw (28) is inserted from above. , Through the through holes (27a), (11), (17) of the protective member (27), the spacer (15), and the fixing portion (6) through the fixing screw through holes (29) of the top plate (25) Then, the top plate (25) of the spacer (15) is made to be screwed into the hexagon nut (26) fitted in the nut recess (12) of the fixing portion (6) than in the third embodiment. It can be supported by the bracket (2) at a position higher by the thickness in the vertical direction.

  In order to support the top plate (25) at a higher position, as shown in FIG. 10, a plurality (two in FIG. 10) of spacers (two in FIG. 10) are provided above the fixing portion (6) of the bracket (2). 15) may be arranged in an overlapping manner.

It is a perspective view of the horizontally long table as one embodiment which has the bracket support structure of the present invention. FIG. 2 is an enlarged side view showing a part of a broken-line circle II in the horizontally long table shown in FIG. Similarly, it is an expansion exploded perspective view in broken line circle II shown in FIG. It is an enlarged side view which shows the fixing | fixed part in a bracket partly. It is an expansion perspective view of a spacer. Similarly, it is an enlarged central longitudinal sectional view of the spacer. It is an enlarged side view shown with a partial cross section for demonstrating a bracket support structure. Similarly, it is an enlarged side view shown with a partial cross section for explaining the bracket support structure. Similarly, it is an enlarged side view shown with a partial cross section for explaining the bracket support structure. Similarly, it is an enlarged side view shown with a partial cross section for explaining the bracket support structure.

Explanation of symbols

(1) Horizontal table (furniture)
(2) Bracket
(3) Back plate (support base)
(4) Mounting base
(4a) Locking piece
(4b) Through hole
(5) Arm
(6) Fixed part
(7) Reinforcing piece
(8) Deep wide groove
(8a) Opening
(9) Screw seat
(10) Mounting screw
(11) Insertion hole
(12) Nut recess
(13) Engaging recess
(14) Engaging projection
(15) Spacer
(16) Nut recess
(17) Insertion hole
(18) Engagement recess
(19) Engaging projection
(20) Stopper recess
(21) Stopper projection
(22) Top plate
(23) Fixing screw
(23a) Head
(24) Screw hole
(25) Top plate
(26) Hex nut
(27) Protection member
(27a) Insertion hole
(28) Fixing screw
(29) Fixing screw through hole

Claims (7)

A bracket support structure for fixing and supporting a supported member on a bracket attached to a support base,
In the bracket, a fixing part for fixing the supported member is provided with an insertion hole in the vertical direction, and a concave part for a nut that can be fitted with a hexagon nut concentrically with this insertion hole is recessed upward on the lower surface of the fixing part. While providing a cylindrical shape facing the vertical direction, forming a spacer by forming a concave portion for a nut that can be fitted with a hexagonal nut concentrically with an insertion hole that is a cylindrical hole, by forming the concave portion upward on the lower surface, Spacers are arranged above or below the fixing part, and fixing screws are inserted into both the insertion holes of the spacer and the fixing part from above and through fixing screw through holes drilled in the supported member. Insert and screw into a hexagon nut fitted in a nut recess provided on the lower surface of the fixed part or spacer, or place a spacer on top of or below the fixed part, and fix with these spacers. In both insertion holes. Bracket support structure to use screws are passed through from below by screwing the threaded hole formed in the lower surface of the support member, characterized by being adapted to support and fix the supported member to the bracket.   Engagement recesses are provided on the upper surfaces of the spacer and bracket fixing portions, and the engagement protrusions that complement the engagement recesses protrude downward on the lower surfaces of the spacer and bracket fixing portions. The bracket support structure according to claim 1, wherein the bracket support structure is provided.   The bracket support structure according to claim 2, wherein the spacer and the engaging concave portion and the engaging convex portion in the fixing portion of the bracket are provided concentrically with the insertion hole.   A stopper recess that is recessed downward is provided at a position deviating from the axis on the upper surface of the spacer, and a stopper protrusion that projects downward from the lower surface of the bracket fixing portion and forms a complementary shape with the stopper recess. The bracket support structure according to any one of claims 1 to 3, wherein the stopper convex portion is fitted into the stopper concave portion.   The bracket support structure according to any one of claims 1 to 4, wherein a plurality of spacers are disposed above the fixing portion of the bracket.   Spacers are placed above or below the bracket's fixed part, and the fixing screws are inserted into both insertion holes of the spacer and the fixed part from below to screw into the screw holes formed on the lower surface of the supported member. 6. The head according to claim 1, wherein the head of the fixing screw is immersed in a recess for a nut provided on a lower surface of the fixing portion of the spacer or the bracket. Bracket support structure. A soft or elastic protective member for protecting the supported member is interposed between the lower surface of the supported member and the spacer or the upper surface of the fixing portion of the bracket facing the supported member. The bracket support structure in any one of 1-6.

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