JPH0470461A - Bracket of guardrail or the like - Google Patents

Abstract

PURPOSE:To prevent looseness of a thread by engraving a thread part in an internal peripheral surface to fix a female thread member to a wall surface, engraving a male thread part in a peripheral surface to provide a male thread member, in which a contact surface with a mounted body is formed in the point end, and also providing a screw rod by inserting it from a mounted body side to bring both mating thread ridges into press contact. CONSTITUTION:A mounted body 4 is formed of a base 11 and a base cover 12 and stopped to a male thread member 6 by providing a hook part 23 in an upper end edge of a mounting step part 15. A female thread member 3 is formed as a bottomed cylindrical body to engrave a thread part 2 in the internal peripheral surface and fixedly screwed to a bolt anchor 19 whose thread hole is buried in a wall surface 1. A thread part 21, screwed to the thread part 2, is engraved by swelling a thread ridge from a peripheral surface to its point end in the male thread member 6, and an insertion hole 22 for inserting a screw rod 7 is drilled in the center by providing a flange part 16, in which a contact surface 5 with the base 11 is formed in the point end part. In this way, height from the wall surface 1 of the mounted body 4 can be easily adjusted.

Description

[Detailed description of the invention] [Industrial application field]

The present invention relates to a bracket for installing a handrail, guardrail, etc. on a wall surface, and particularly to a bracket for a card rail or the like whose installation height from the wall surface can be adjusted.

[Conventional technology]

Conventionally, as a bracket whose installation height from a wall surface can be adjusted, as shown in FIG. One structure has been proposed that includes a fitting body 9 that is slidably fitted into the cylindrical body 8 and a set screw 10 that fixes the fitting body 9 at an adjusted position.

[Problem to be solved by the invention]

However, in the conventional example described above, since the set screw 10 is screwed into the side wall of the cylindrical body 8, the work of fitting the fitting body 9 toward the wall surface 1 when installing the adherend 4 is difficult. and,
It is necessary to screw the set screw 10 into the cylindrical body 8 from the direction along the wall surface 1, which has the disadvantage that the working direction is different and the workability is poor. The present invention has been made to solve the above-mentioned drawbacks, and an object of the present invention is to provide a bracket for a guardrail or the like that has good installation workability and excellent maintainability.

[Means to solve the problem]

According to the present invention, as shown in FIG. 1 corresponding to the embodiment, the male threaded member 3 is fixed to a wall surface l by appropriate means, has a threaded portion 2 carved on its inner circumferential surface, and has a tip end a male screw member 6 having a contact surface 5 with an adherend 4 such as a guardrail formed thereon, and a male screw member 6 having a threaded portion 21 screwed into the acid screw member 3 on the outer peripheral surface; a screw rod 7 that is inserted from the side and screws into the acid screw member 3 or the wall surface 1 to connect the adherend 4 and the male screw member 6 and press the threads of both screw members 3.6 together; This is achieved by providing a bracket such as a guardrail made of Further, the threaded portion 2 provided on the acid threaded member 3 is formed over almost the entire inner peripheral surface, and the threaded portion 21 of the male threaded member 6 that is screwed into the acid threaded member 3 is formed at the tip of the outer peripheral surface. The threaded connection can also be achieved by biasing the threads toward the outside and making the threads bulge outward from the outer circumferential surface. [Function] Based on the above configuration, the bracket according to the present invention is configured to include a screw thread member 3 and a male screw member 6 that are screwed together, and is configured to have a screw thread member 3 and a male screw member 6 that are screwed together. By adjusting the screwing depth of the male screw member 6, the installation height of the adherend 4 from the wall surface 1 can be adjusted. Further, the threads of the female threaded member 3 and the male threaded member 6 are pressed against each other by a screw rod 7 attached from the adherend 4 side, so that loosening of the screws is prevented. In addition, the installation work of the adherend 4 on the wall surface l using the bracket according to the present invention includes mounting the acid screw member 3 on the wall surface l,
The work consists of screwing the male screw member 6 into the acid screw member 3 and screwing in the screw rod 7, and all the work is performed in the direction toward the wall surface 1 as shown by the arrow in Fig. 1. Furthermore, when the acid threaded member 3 and the male threaded member 6 are screwed together, the threaded portions 2 and 21 of these two threaded members 3.6 are not exposed to the outside. Dust does not accumulate during the installation of guardrails, etc., making it easier to maintain them and improving their appearance.

[Embodiments] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Fig. 1 is an exploded perspective view showing a state in which a rail is installed using the bracket according to the present invention, and Fig. 2 is a cross-sectional view thereof. a base 11 formed from a metal material; The base cover 12 has a locking step 13 formed on the upper and lower edges of the base 11 to lock the locking portion 14 to the base cover 12. 11 is worn over the crown. In addition, a bracket mounting step 5 is formed at the center of the back surface of the base 1, and a hook portion 23 is formed on the upper edge of the mounting step 15, so that a male screw member 6, which will be described later, can be attached to the base. The collar portion 167 can be locked. The acid screw member 3 according to this embodiment has a fixing protrusion 1 in the center part.
It is a bottomed cylindrical body with a protrusion 7, a threaded portion 2 is carved over almost the entire inner peripheral surface of this cylindrical body, and a screw hole 8 formed in the fixed protrusion I7 is inserted into the wall surface 1. It is fixed to the wall surface 1 by screwing into a bolt anchor I9 buried in the wall. Further, a screw hole 20 of a slightly smaller diameter is formed in the fixing protrusion 17 so as to be continuous with the screw hole 18 corresponding to the bolt anchor I9, and is adapted to receive a screw rod 7 to be described later. On the other hand, the externally threaded member 6 is biased toward the tip of the outer circumferential surface, and its threads are bulged from the outer circumferential surface to form the externally threaded member 3.
At the same time, a threaded portion 21 is carved to be screwed into the threaded portion 2 of the
A disc-shaped flange 16 protrudes from the tip to form a contact surface 5 for the base 11, and an insertion hole 22 through which the screw rod 7 is inserted is bored in the center of the contact surface 5. It is set up. Therefore, according to this embodiment, first, the acid thread member 3 is screwed into the bolt anchor 19 on the wall surface l and fixed to the wall surface 1, and then the male thread member 6 is screwed into the acid thread member 3. At this time, the screwing depth of the male threaded member 6 is determined by the screwing depth of the male threaded member 6.
is adjusted so that the abutment surface 5 of is placed on the inter-road plane. Next, the hook portion 23 of the base 1) is engaged with the collar portion 6 of the male screw member 6 to temporarily fix the base 11. After this, the screw rod 7 on the front side of the base 1 is screwed into the small diameter screw hole 2o of the screw thread member 3 to fix the base 1, and the base cover 12 is elastically attached to the base 11. Then, the installation work of the guardrail 4 is completed. In addition, although the case where G1 is applied to the wall surface I in which the mortar surface layer 24 is formed on the surface of the concrete layer is shown above, it is applied to the wooden wall surface I as shown in FIG. 3(a). In addition, by using an anchor 19a having a wood threaded portion 25 at one end and a threaded portion 26 into which the acid threaded member 3 is screwed at the other end, the bracket according to the present invention can be used as is. Furthermore, as shown in FIG. 3(b), the acid screw member 3 can be configured with a wood screw 31. In this case, the insertion hole 32 of the wood screw 31 is inserted into the threaded portion 2 of the acid screw member 3. A hole can be used to prevent rotation during processing. Furthermore, for a wall l made of board material, a board anchor 19b as shown in FIG. 4 is used, or as shown in FIG. 19c can be used. Further, in the above embodiment, a fixing protrusion 17 is provided protrudingly on the acid screw member 3, and a screw hole 18.20 into which the bolt anchor 19 and the threaded rod 7 are screwed is formed in the protrusion 17. However, as shown in FIG.
It is also possible to separately provide a fixing member 30 formed with a flange 29 for holding the bottom portion 28 of.

【Effect of the invention】

As is clear from the above description, according to the bracket for a guardrail or the like according to the present invention, by adjusting the screwing depth of the male screw member to the external screw member attached to the wall side, the screwing depth of the male screw member can be adjusted. The installation height can be easily adjusted, and the screw threads of the acid threaded member and the male threaded member are pressed against each other by a screw rod attached from the adherend side, so loosening of the screws is prevented. be able to. In addition, the installation work on the wall surface of the adherend consists of attaching the acid screw member to the wall surface, screwing the male thread member to the acid thread member, and screwing the screw rod. Since the attached body can be installed by simply facing the wall, it is possible to improve the installation work efficiency, and since the screw threads are not exposed to the outside, the aesthetic appearance is maintained and maintenance is easy. It is possible to improve the

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention, FIG. 2 is a sectional view thereof, FIGS. 3(a) to 5 are sectional views showing modified examples of the anchor, and FIG. Sectional view showing another embodiment, No. 7
The figure is a sectional view showing a conventional example. 1...Wall surface, 2...Threaded part of acid screw member 3, 3...Acceptable screw member, 4...Adherent (guardrail), 5...Abutment surface, 6...Male thread member, 7...Screw rod, 21...Threaded portion of male thread member 6. 10th

Claims (2)

[Claims] (1) A female threaded member fixed to a wall surface by an appropriate means and having a threaded portion carved on its inner circumferential surface, and a contact surface with an adherend such as a guardrail formed at the tip, and said female threaded member a male threaded member having a threaded portion on its outer circumferential surface that is screwed into the member; and a male threaded member that is inserted from the adherend side and is threadedly engaged with the female threaded member or the wall surface to connect the adherend and the male threaded member. A bracket for a guardrail, etc., consisting of a screw rod that presses the threads of both screw members together. (2) The threaded portion of the female threaded member is formed over almost the entire inner peripheral surface, and the threaded portion of the male threaded member that is screwed into the female threaded member is located near the tip of the outer peripheral surface. 2. The bracket for a guardrail or the like according to claim 1, wherein the bracket is biased and the screw thread thereof is bulged outward from the outer circumferential surface.