KR20100103956A - Insert for coupling bolt - Google Patents

Abstract

PURPOSE: An insert for coupling a bolt is provided to conveniently install a bolt in an M-bar or ceiling concrete and to securely maintain a coupling state of the bolt and the M-bar. CONSTITUTION: An insert(1) for coupling a bolt comprises a body(3), tightening pieces(9,11), a cover(13), and a coil spring(15). The body is composed of a lower cylindrical part(5) and an upper cylindrical part(7). The upper cylindrical part is placed on the top of the lower cylindrical part and has a bigger diameter than the lower cylindrical part. The tightening pieces are separated from each other and are inserted into the top of the lower cylindrical part. The cover is coupled to the top end of the upper cylindrical part. The coil spring is installed between the bottom surface of the cover and the tightening pieces.

Description

Insert for coupling bolt {insert for coupling bolt}

The present invention relates to an insert that is installed on the ceiling concrete or can be installed in a facility such as embar to be fastened to the bolt used in the building.

1 is a perspective view illustrating a building stand bolt assembly of Patent No. 616321.

The registered patent shown in FIG. 1 is formed of a ceiling hanging member connected to an insert 2200 embedded in a concrete slab 2100 of a building, and a hinge member is formed in the middle of the ceiling hanging member to insert the insert 2200. The ceiling slab part 100 is formed to be adjusted vertically when the ceiling slab member does not maintain a vertical angle with respect to the floor surface of the building because the concrete slab 2100 is not horizontal to the floor surface of the building. Is formed to be coupled to the ceiling lunar portion 100, a circular groove having a female screw portion is formed on the upper surface is formed to finely adjust the height of the ceiling lunar portion 100, and has a female screw portion on the lower surface A circular groove is formed to form a bolt coupling coupled with the embar member, the embar connecting portion, the embar portion in contact with both ends of the embar connecting portion Is constituted by a recessed bolt that Embassy 500, Embassy 500 with the connection portion and the recess having an Embassy bolt fastening by bonding formed from a.

However, in order to fasten the ceiling mount unit 100 to such an insert 2200, the bolt formed at the tip of the ceiling mount unit 100 should be screwed by rotating a number of turns to fasten the bolt to the nut of the insert 2200. Therefore, the construction time is long.

In addition, since the embar 500 is a load, because a number of buildings, such as cables, pipes are installed, the insert 2200 and the ceiling mount 100 must be firmly coupled, but the nut in the insert 2200 is defective When it becomes loose, the insert 2200 and the ceiling lunar part 100 are separated by the load of the embar 200 so that the embar 200 collapses from the ceiling.

The present invention is to solve this problem, the problem of the present invention can be conveniently mounted on the insert installed in the facility, such as ceiling concrete or embar installed in the building, and bolts to maintain a firm coupling after mounting To provide a fastening insert.

The solution for solving the above problems is that the tapered ball is formed in the diameter of the taper ball as the downward downward in the inner center, a straight through hole is formed at the lower end of the tapered ball, the circular through hole larger than the diameter of the tapered ball is formed on the tapered ball Body; Tightening sections forming a portion of the threaded threaded hole on the outer peripheral surface and the inner peripheral surface that is seated on the tapered surface forming the tapered ball, the inner peripheral surface forms a screw hole when combined; A cover for closing an upper portion of the circular through hole of the body; And a spring installed between the lower surface of the cover and the tightening fragments to apply pressure to the tightening fragments.

In addition, in the present invention, the upper portion of the tightening fragments is preferably connected to the connection with the adjacent tightening fragments.

In addition, in the present invention, the tightening pieces and the connecting rod is preferably molded integrally with a synthetic resin.

In addition, in the present invention, a locking jaw surface is formed between an upper portion of the tapered ball and an inner wall surface forming the circular through hole, and an outer edge portion extending outward is formed on the upper portions of the tightening sections so as to be seated on the locking jaw surface. desirable.

According to the present invention having the above-described problems and solving means, the installation of the moon bolt is simple because the moon bolt can be installed only by inserting the battery into the insert and reversing the battery. In addition, these inserts are not only installed on the concrete wall, but can also be fastened to the embar by being attached to the embar or the like.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a perspective view of a first embodiment of the present invention, and FIG. 3 is a sectional view of the embodiment shown in FIG.

The insert 1 shown in FIG. 2 has a lower cylindrical portion 5 formed at the bottom and an upper cylindrical portion 7 having an outer diameter larger than the lower cylindrical portion 5 on the upper portion of the lower cylindrical portion 5. (3) and the fastening sections 9, 11 and 13 separated from each other inserted into the upper portion of the lower cylindrical portion 5 of the body 3 and fastened to the upper end of the upper cylindrical portion 7 And a coil spring 15 provided between the cover 13 and the lower surface of the cover 13 and the tightening segments 9, 11, and 13.

As shown in FIG. 3, a tapered ball 19 is formed in the lower cylindrical portion 5 of the body 3 to gradually decrease an inner diameter by a predetermined depth, and a straight through hole is formed below the tapered ball 19. (17) is formed.

In addition, a circular through hole having a diameter larger than the upper end of the tapered ball 19 is formed inside the upper cylindrical portion 7 of the body 3 so that the circular through of the upper cylindrical part 7 is formed at the upper end of the tapered ball 19. A locking jaw surface 21 is formed to an inner wall surface forming a ball.

In addition, when the tightening sections (9), (11), (13) is coupled to form a straight screw hole in the center, and forms an inclined surface that becomes smaller as the outer diameter of the outer peripheral surface from the top to the bottom of the tapered ball (19) The outer surface portion 23 is in contact with the wall surface and protrudes outwardly to the upper surface, and the support portion 25 protrudes upward from the outer end portion of the outer edge portion 23 and the outer edge portion 23 so as to be seated on the locking jaw surface 21. The spring 15 is pressed on the upper surface of the outer edge part 23, and the spring 15 is not separated outward by the support part 25.

4 is a cross-sectional view illustrating a process of inserting a lanyard bolt into the insert of the first embodiment, and FIG. 5 is a sectional view of a state in which the lanyard bolt is inserted into the insert of the first embodiment.

When the bolt bolt 29 is inserted deeply into the straight through hole 17 of the insert 1 installed on the concrete ceiling wall 27, the thread of the tip of the bolt 29 is tightened (9), (11), (13) is caught by the thread formed in the straight thread hole, the spring 15 is compressed by the force of the lifting bolt 29 is raised and the tightening sections (9), (11), (13) is tightening bolt (29) Tightening section (9), (11), (13) is spread outwards by rising by). When the installer removes the lifting force on the bolt bolt 29 or moves the bolt bolt 29 downward, the tightening bolts 9, 11 and 13 are lowered together with the bolt bolt 29. ), (11), (13) and the lanyard bolts 29 are engaged, and when the outer peripheral surfaces of the tightening sections 9, 11, and 13 come into close contact with the wall surface of the taper ball 19, the lanyard bolts ( 29) can not be lowered any more, the installation is terminated in the state as shown in FIG.

As described above, in order to install the lanyard bolt 29 in the insert 1 of the first embodiment, the lanyard bolt 29 is inserted into the straight through hole 17 of the insert 1 and then pushed in, and then pulled out in the opposite direction. The installation is terminated by doing so.

FIG. 6 is a perspective view of the tightening segments of the second embodiment of the present invention that are not coupled to each other, and FIG. 7 is a perspective view of the tightening segments of FIG. 6 coupled to each other.

The tightening segments 9, 11, 13 shown in FIGS. 2 to 5 are separate, but the tightening segments 31, 33 of the embodiment shown in FIG. 6 shown in FIGS. 6, 7, The 35 are connected by connecting rods 41, 43, 45.

Each of the divided tightening sections 31, 33, and 35 of the tightening sections may form a circular threaded hole when they are engaged, and in the combined state, the circular threaded holes may have a circular threaded wall ( 37 is formed, the outer peripheral surface of the tightening sections (31), (33), (35) is formed to be inclined so as to form a tapered surface that is smaller in diameter when combined with each other, the outer edge protruding outwardly on the upper end 39 is formed. Both ends of the outer edges of the respective tightening sections 31, 33, and 35 are connected by connecting rods 41, 43, and 45. The connecting rods 41, 43, and 45 are formed in a band shape, and the upper portion is formed higher than the upper surfaces of the tightening sections 31, 33, and 35 so that the connecting rods are installed when the spring 15 is installed. 41), (43) and (45) should not be separated outward. In addition, both corners of the upper portions of the connecting rods 41, 43, and 45 are chamfered and easily accessed and tightened when the tightening sections 31, 33, and 35 are approached to each other in a spaced state. To lose.

The tightening section 30 consisting of the tightening sections 31, 33, 35 and the connecting rods 41, 43, 45 is manufactured integrally with a synthetic resin. The tightening section 30 thus formed is connected to the taper ball 19 because the tightening sections 31, 33, and 35 are connected by connecting rods 41, 43, and 45. At this time, it is possible to insert the entire tightening section 30 without having to insert each individually, so the assembly is very high. In addition, when inserted separately, the threads of the arc walls 37 of the tightening sections 31, 33, and 35 may not coincide, but are tightened connected by connecting rods 41, 43, and 45. The threads of the tightening sections of the section 30 are to coincide with each other.

When the tightening section 30 is inserted into the taper ball 19 of the lower cylindrical portion 5, the sidewalls of the respective tightening sections 31, 33, and 35 are in close contact with each other, The radius of the arcs (43) and (45) becomes smaller than when the tightening segments 31, 33 and 35 are spaced apart. In addition, the dal bolt 29 is inserted into the circular screw hole formed in the center of the tightening section 30 in the state in which the tightening section 30 is installed in the taper ball 19, and the mounting section 30 is raised while raising the tightening section 30. When the spring 15 is compressed by the bolt 29, the tightening segments 31, 33, and 35 are spaced apart as shown in FIG. 6, and the connecting rods 41, 43, and 45 are extended. You lose. That is, the diameter of the arc formed by the connecting rods 41, 43, and 45 becomes large.

1 is a perspective view illustrating a building stand bolt assembly of Patent No. 616321.

2 is a perspective view of a first embodiment of the present invention.

3 is a cross-sectional view of the embodiment shown in FIG. 2.

4 is a cross-sectional view illustrating a process of inserting a bolster bolt into the insert of the first embodiment.

Fig. 5 is a sectional view of a state where the insertion of the hanging bolt is completed in the insert of the first embodiment.

Figure 6 is a perspective view of a state in which the tightening segments of the second embodiment of the present invention are not coupled and spaced apart.

7 is a perspective view of a state in which the tightening segments of FIG. 6 are coupled to each other.

Claims (4)

A body having a tapered ball having a smaller diameter as the inner center thereof is reduced, a straight through hole formed at a lower end of the tapered ball, and a circular through hole having a larger diameter than the diameter of the tapered ball formed on the tapered ball; Tightening sections forming a portion of the threaded threaded hole on the outer peripheral surface and the inner peripheral surface that is seated on the tapered surface forming the tapered ball, the inner peripheral surface forms a screw hole when combined; A cover for closing an upper portion of the circular through hole of the body; And a spring installed between the lower surface of the cover and the tightening fragments to apply pressure to the tightening fragments. The bolt fastening insert of claim 1, wherein an upper portion of the tightening segments is connected to an adjacent tightening segment by a connecting rod. The bolt fastening insert of claim 2, wherein the fastening segments and the connecting rod are integrally formed of a synthetic resin. According to any one of claims 1 to 3, a locking jaw surface is formed between the upper portion of the tapered ball and the lower inner wall surface forming the circular through hole, the upper portion of the tightening pieces to be seated on the locking jaw surface Bolt fastening insert, characterized in that the outer edge portion is formed extending outward.

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