JPS5992103U

JPS5992103U - Bolt attachment device for concrete walls

Info

Publication number: JPS5992103U
Application number: JP18722982U
Authority: JP
Inventors: 北川　邦明
Original assignee: ナショナル住宅産業株式会社
Priority date: 1982-12-13
Filing date: 1982-12-13
Publication date: 1984-06-22

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案の一実施例に基づくコンクリート壁用ボ
ルト取付装置の斜視図、第２図は埋込金具をコンクリー
ト型枠に取付けた状態を示す縦断面図、第３図は、埋込
まれた埋込金具にボルトを装着する際の状態を示す縦断
面図である。１・・・埋込金具、４・・・表板部、５・・・係合穴、
７・・・嵌合部、９．１０・・・挾持板部、１１・・・
嵌入部、１４・・・コンクリート壁、Ａ−・・ボルト。Fig. 1 is a perspective view of a concrete wall bolt fixing device based on an embodiment of the present invention, Fig. 2 is a longitudinal cross-sectional view showing the state in which the embedded fittings are attached to the concrete formwork, and Fig. 3 is a FIG. 3 is a vertical cross-sectional view showing a state when a bolt is attached to the embedded metal fitting. 1... Embedded metal fitting, 4... Top plate part, 5... Engagement hole,
7... Fitting part, 9.10... Clamping plate part, 11...
Inset part, 14... Concrete wall, A-... Bolt.

Claims

[Scope of utility model registration request]

An engagement hole with a shape that gradually becomes narrower from one end to the other is drilled in the center, and has a top plate that forms a smooth continuous surface with the surface of the concrete wall when buried. , an embedded metal fitting with a cavity formed on the back side of the front plate part, and an interval at the base end of the male threaded part of the bolt that allows the front plate part to be clamped from both the front and back sides in the axial direction of the male thread part. a pair of clamping plate parts formed integrally with the male threaded part, and a side periphery that can be aligned and brought into close contact with the narrow part of the retaining hole between the pair of clamping plate parts; A bolt attachment device for a concrete wall comprising: a bolt-side fitting portion having a surface and a fitting portion integrally formed with the male thread portion;