JPS636806U

JPS636806U -

Info

Publication number: JPS636806U
Application number: JP9996586U
Authority: JP
Priority date: 1986-06-30
Filing date: 1986-06-30
Publication date: 1988-01-18
Also published as: JPH0324334Y2

Description

[Brief explanation of the drawing]

第１図は本考案に係る締結金具が適用された型
枠の横断面図、第２図は締結金具の一例の分解斜
視図、第３図は非締結状態における締結金具の拡
大縦断面図、第４図は第３図に示す締結金具の底
面図、第５図は締結状態における締結金具の拡大
縦断面図、第６図は第５図に示す締結金具の底面
図、第７図は脱型の際における締結金具の拡大縦
断面図、第８図は非締結状態における他の例の締
結金具の拡大縦断面図、第９図は第８図に示す締
結金具の底面図、第１０図は締結状態における他
の例の締結金具の拡大縦断面図、第１１図は第１
０に示す締結金具の底面図である。１０，６０：締結金具、１２：型枠、１４，１
６：半割体、１８，２０：フランジ、２２，２４
：フランジの孔、２６：キー部材、２８：軸受部
材、３０：端部材、３２：カム部材、３４および
３６，６２：キー部材の軸部および頭部、３７：
コイルスプリング、３８，４０：キー部材の軸部
の第１の端部分および第２の端部分（軸部の他端
部）、４４：凹所、５０：端部材の外周部、５４
，６２：カム面、５７，７０：カム部材の空間部
。 Fig. 1 is a cross-sectional view of a formwork to which a fastening fitting according to the present invention is applied, Fig. 2 is an exploded perspective view of an example of the fastening fitting, and Fig. 3 is an enlarged longitudinal sectional view of the fastening fitting in an unfastened state. Fig. 4 is a bottom view of the fastening fitting shown in Fig. 3, Fig. 5 is an enlarged vertical cross-sectional view of the fastening fitting in the fastened state, Fig. 6 is a bottom view of the fastening fitting shown in Fig. 5, and Fig. 7 is an exploded view of the fastening fitting shown in Fig. 3. FIG. 8 is an enlarged vertical sectional view of another example of the fastening fitting in an unfastened state; FIG. 9 is a bottom view of the fastening fitting shown in FIG. 8; FIG. 10 11 is an enlarged vertical cross-sectional view of another example of the fastening fitting in the fastened state, and FIG.
FIG. 2 is a bottom view of the fastening fitting shown in FIG. 10, 60: Fastening metal fittings, 12: Formwork, 14, 1
6: Half body, 18, 20: Flange, 22, 24
: flange hole, 26: key member, 28: bearing member, 30: end member, 32: cam member, 34 and 36, 62: shaft and head of key member, 37:
Coil spring, 38, 40: first end portion and second end portion (other end portion of the shaft portion) of the shaft portion of the key member, 44: recess, 50: outer peripheral portion of the end member, 54
, 62: cam surface, 57, 70: space of cam member.

Claims

[Claims for Utility Model Registration] (1) In order to join a pair of half bodies that are butted against each other to form a cylindrical formwork, the half bodies are provided so that each half body faces the other. A fastening fitting for mutually fastening a pair of flanges provided on the pair of flanges, the fastening fitting having a shaft portion inserted into a hole or notch provided on the pair of flanges, and a head portion connected to one end of the shaft portion. a key member; a bearing member fixed to a non-opposing surface of one flange and capable of receiving the shaft portion so that the key member is movable in the axial direction and around the axis; An end member that is attached to the end so as to be movable together with the shaft and that can come into contact with the bearing member, and a space that is fixed to the non-opposed surface of the other flange and that allows the shaft and head of the key member to pass through. and a cam surface on which the head can abut, the cam surface causing the head of the key member to abut against the cam surface and rotating the key member around the axis. when moving the head, guiding the head so that the distance between the head and the other flange gradually increases;
Fastening fittings. (2) The fastening fitting according to claim 1, wherein the cam surface is a spiral surface. (3) The bearing member has a recess capable of accommodating a part of the head of the key member, and when the part of the head is accommodated, the recess accommodates the rest of the head. The fastener according to claim 1, which has a depth dimension such that a portion of the fastener is accommodated in the hole or notch of one flange. (4) The shaft portion and the head portion of the key member are connected to each other to form an L-shape, the scope of the utility model registration claim No.
Fasteners described in paragraph (1). (5) The shaft portion and the head portion of the key member are connected to each other to form a T-shape.
Fasteners described in paragraph (1). (6) The fastening fitting according to claim (1) of the utility model registration claim, wherein the end member has an outer peripheral portion made of a polygonal column surface. (7) The fastening fitting according to claim (1), wherein a coil spring is disposed between the bearing member and the end member.