KR200415836Y1 - Insert structure for deck plate - Google Patents

Abstract

The present invention relates to an insert structure for deck plates, and in detail, it can be easily mounted on one side before concrete placing, and when placing concrete, the insert structure can be maintained vertically on the deck plate without losing balance, and concrete pouring The present invention relates to an insert structure for deck plates, which prevents cumbersome work processes due to fine vibrations after walking and doubles safety.

The construction of the present invention for this purpose is a long bolt having a head, a head flange, a bolt rod, a screw; An elastic member having an elastic body integrally formed with the nut fastened to the long bolt; It may include a cap that can be spaced apart a predetermined distance between the long bolt and the deck plate to seal between the insert structure and the deck plate. Therefore, when the insert structure is mounted in the hole of the deck plate and the rotation is applied to the long bolt, the long bolt presses the cap part and the elastic member so that the elastic flange of the elastic member formed larger than the hole of the deck plate is supported on the top of the deck plate. ; The insert structure can be firmly fixed to the deck plate by raising the elastic body formed integrally with the nut to inflate the elastic body to the outside and pressurizing the lower surface of the deck plate. In addition, the nut formed integrally with the elastic member includes an upper nut which is fastened with the threaded portion of the long bolt and a lower nut that can be fastened with the lower structure.

Deck Plate, Insert Structure

Description

Insert structure for deck plate {INSERT STRUCTURE FOR DECK PLATE}

1 is an exploded perspective view of an insert structure for a deck plate according to the present invention

2 is a cross-sectional view of the cap portion and the elastic member of the insert structure for the deck plate according to the present invention

Figure 3a is a use state inserted into the hole formed in the deck plate after the insert structure for the deck plate according to the present invention is coupled

3b is a use state in which the insert structure for the deck plate according to the present invention is fixed to the deck plate

Figure 3c is a state of use using a separate connector and remove the elastic member after the concrete in the insert structure for deck plate according to the present invention

* Description of the symbols for the main parts of the drawings *

DESCRIPTION OF SYMBOLS 1 Long bolt 2 Cap part 3 Elastic member 4 Insert structure for deck plates

5: Deck Plate 6: Deck Plate Hole 7: Connector

11 head 12 head flange 13 bolt rod 14 threaded portion

21 body 22 flange 31 elastic body 32 nut

131: pressurization portion 211: through hole 221: side wall 222: side wall

311: elastic flange 312: insertion groove 313: compression surface

321: upper nut 322: lower nut 323: groove

The present invention relates to an insert structure for deck plate, and in detail, supports the upper surface of the long bolt and deck plate having a thickly improved bolt rod so as not to lose the center when placing concrete, and the lower surface of the deck plate by fastening with the long bolt The overall structure is simplified and the deck plate work includes an elastic member capable of pressing the insert structure for the deck plate vertically to the deck plate with a large force by pressing, and a cap part for sealing between the deck plate insert structure and the deck plate. It relates to an insert structure for deck plates that can be easily mounted on the side.

Recently, in the construction of factories or buildings in the city center, steel structures or steel reinforced concrete structures having excellent durability and seismic resistance have been mainly adopted. Increasingly, the use of an insert structure for installing a deck plate and a specific structure, which can bring light weight, air shortening, and ease of construction, is increasing.

The conventional insert structure for deck plates has a bolt rod including a head and a thread formed in a circular shape, spaced apart at predetermined intervals by a washer and a spring supporting the deck plate from above, and presses the deck plate from the lower side, The formed support rib is coupled to the washer, and the connecting rod having a female thread is coupled to the support rib so as to be coupled to the threaded portion of the bolt rod.

Here, the insert structure as described above may be mounted on the insert structure, then cast concrete to form the ceiling and floor structures. At this time, a large amount of concrete is introduced at a time, the concrete can flow into the gap between the deck plate and the insert structure, the insert structure can be fixed in a tilted state by the force of the concrete. In particular, in the case of mounting a device requiring precision for an installation location, such as a semiconductor device, the inclined insert structure does not allow accurate installation of the device, and a disadvantage may occur in that the device may not be installed in the inclined insert.

In addition, since a conventional insert structure prevents the support rib from moving in the opposite direction once inserted into the hole of the deck plate, it is almost impossible to remove the insert structure again.

In addition, there is an inconvenience in using a separate connector is required to install the lower structure formed with the female thread of different diameter after the concrete pouring.

In addition, after the concrete is placed, the bolt rod and the connector can be loosened due to the micro-vibration caused by walking on the upper side. There is a problem with safety because it may cause injury.

The present invention is devised to solve the above problems, an object of the present invention is to provide an insert structure for a deck plate that can be easily mounted on one side of the deck plate.

Still another object of the present invention is to provide an insert structure for deck plate that can prevent concrete from flowing between the deck play insert structure and the deck plate during concrete pouring.

Another object of the present invention is to provide an insert structure for the deck plate that can be maintained vertical to the deck plate without losing the center even when the concrete is poured.

Still another object of the present invention is to provide an insert structure with convenience and safety of a work process that is not affected by walking after concrete placement.

Still another object of the present invention is to provide an easy-to-use insert structure for deck plates that can install substructures of different diameters after concrete is poured.

Insert structure for the deck plate for achieving the above object of the present invention includes the following configuration.

According to the first embodiment of the present invention, the insert structure for the deck plate according to the present invention is pressed by the long bolt and the long bolt formed to maintain the center when placing the concrete to support the upper surface of the deck plate, when the concrete And a cap part formed to seal the long bolt and the deck plate, and an elastic member fastened to the long bolt passing through the cap part to press the top and bottom of the deck plate.

According to the second embodiment of the present invention, the insert structure for the deck plate according to the present invention, in the first embodiment, the long bolt extends from the head and the head is formed of a polygon, the concrete after inserting the insert structure And a head flange having a diameter larger than that of the head so as to be fixed to the deck plate, and a press portion extending from the head flange to seal and pressurize the cap portion, and large enough to maintain the center of the insert structure during concrete pouring. It characterized in that it has a bolt rod formed in diameter and a threaded portion formed with a male thread so as to extend from the bolt rod and penetrate the cap portion to engage with the elastic member.

According to the third embodiment of the present invention, the insert structure for deck plate according to the present invention, in the second embodiment, the elastic member has a diameter larger than the hole formed in the deck plate to support the deck plate upper surface It includes an elastic flange having an elastic body formed to extend a predetermined length in the longitudinal direction from the elastic flange and integrally formed on the lower portion of the elastic body and a nut formed with a female thread corresponding to the male screw formed on the threaded portion of the long bolt It features.

According to the fourth embodiment of the present invention, the insert structure for the deck plate according to the present invention, in the third embodiment, the nut is in the upper nut and the upper nut which can be fastened with the threaded portion of the long bolt It characterized in that it comprises a lower side nut that is reduced in diameter.

According to a fifth embodiment of the present invention, the insert structure for a deck plate according to the present invention, in the fourth embodiment, the cap portion is extended in the longitudinal direction and formed to be enlarged in the upper end of the body and the through-hole And a flange, wherein the flange has a sidewall extending from the outer circumference thereof to a predetermined length and defining a space surrounding the elastic flange of the elastic body.

According to a sixth embodiment of the present invention, the insert structure for a deck plate according to the present invention, in the fifth embodiment, the body of the cap portion so that one end thereof can protrude downward through the hole of the deck plate Characterized in that formed.

According to the seventh embodiment of the present invention, the insert structure for a deck plate according to the present invention, in the sixth embodiment, the cap portion is formed of a material capable of electrically separating the insert structure from the deck plate It is done.

According to an eighth embodiment of the present invention, in the insert structure for a deck plate according to the present invention, in the seventh embodiment, the elastic body is characterized in that the outer surface of the polygon.

According to a ninth embodiment of the present invention, in the insert structure for a deck plate according to the present invention, in the eighth embodiment, the nut is characterized in that the body is formed in a cylindrical shape, the groove is formed on the outer surface.

According to a tenth embodiment of the present invention, in the insert structure for a deck plate according to the present invention, in the eighth embodiment, the nut is characterized in that the outer surface of the polygon.

According to an eleventh embodiment of the present invention, in the insert structure for a deck plate according to the present invention, in the second embodiment, the bolt rod is characterized in that its outer surface is polygonal.

According to a twelfth embodiment of the present invention, an insert structure for a deck plate according to the present invention, in the third embodiment, the nut is an upper side nut that can be fastened with the threaded portion of the long bolt, and the upper side nut It is characterized in that it comprises a lower side nut is expanded in one end of the multi-stage.

According to a thirteenth embodiment of the present invention, an insert structure for a deck plate according to the present invention, in any one of the fourth to eleventh embodiments, the lower side nut is expanded again at one end and multistage Characterized in that it further comprises a configuration extending to.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the insert structure for the deck plate according to the present invention will be described in detail.

1 is an exploded perspective view of an insert structure for a deck plate according to the present invention.

Referring to Figure 1, the insert structure for the deck plate (4) according to the present invention is pressed by the long bolt (1) and the long bolt (1) formed to maintain the center when placing concrete to support the upper surface of the deck plate When the concrete is poured, the long bolt 1 and the cap plate 2 formed to seal the deck plate and the long bolt (1) penetrating through the cap portion 2 is fastened to the elasticity fixed by pressing the top and bottom of the deck plate And a member 3.

The long bolt 1 includes a head 11, a head flange 12, a bolt rod 13, and a threaded portion 14.

The head 11 is formed to extend in the longitudinal direction in a predetermined plane, the outer surface may be formed in a polygon, preferably formed in a hexagonal rectangular shape so that it can be easily rotated with a tool such as a spanner.

The head flange 12 is formed by extending a predetermined length downward from the plane formed to be enlarged from the bottom surface of the head 11, it may be made of a disc shape, the insert structure for the deck plate (4) is the center after concrete pouring Other forms are possible so long as they can be balanced without losing their weight.

The bolt rod 13 is axially reduced from the bottom surface of the head flange 12 is extended to a predetermined length downward to form a cylindrical shape, the concrete insert structure (4) for the deck plate is fixed perpendicular to the deck plate when placing It is formed to a considerable diameter as possible, and has a pressing portion 131 on the lower side.

The bolt rod 13 may have a size and weight that can maintain the center of the deck plate insert structure 4, and may be formed in a rectangular shape instead of a cylindrical shape, and may include a polygonal outer surface thereof. When the head 11 and the head flange 12 are entangled in another structure and cannot be rotated with a tool such as a spanner, the head 11 and the head flange 12 are applied to the bolt rod 13 to rotate the insert plate 4 for the deck plate. It is for easy mounting and removal at one side of the.

The pressing portion 131 is formed of a curved body that is a shaft curtailed to form a certain curvature at the lower side of the bolt rod 13, and can press the entire cap portion 2 when mounting the insert structure for the deck plate (4) It is made of a curvature that can seal between the long bolt (1) and the cap portion (2) when placing concrete.

The screw portion 14 has a cylindrical shape extending downward from the end of the pressing portion 131 is reduced in diameter and a predetermined length, the male thread is formed in the outer surface in the circumferential direction. The screw portion 14 is formed to a length enough to penetrate the cap portion 2 and the elastic member 3.

Figure 2 is a cross-sectional view of the cap portion and the elastic member of the insert structure for the deck plate according to the present invention.

Referring to FIG. 2, the elastic member 3 includes an elastic body 31 and a nut 32 in a lower side thereof, and the elastic body 31 includes an elastic flange 311 and an insertion groove 312. Has

The elastic body 31 is axially reduced from the bottom surface of the elastic flange 311 is formed to extend a predetermined length in the longitudinal direction, the outer surface may be formed in a polygon, a hexagon for easy rotation with a tool such as a spanner It is preferable that it is formed in the rectangular shape of.

The elastic flange 311 is formed in a disk shape having a larger diameter than the hole formed in the deck plate, when the deck plate insert structure is mounted on the deck plate, the diameter and thickness enough to support the upper surface of the deck plate Is formed.

The insertion groove 312 forms a cylindrical groove in the center of the elastic flange 311 and extends downward to the upper surface of the nut 32.

The elastic body 31 may electrically separate the deck plate insert structure 4 and the deck plate, and the elastic flange when the deck plate insert structure 4 to be described below is attached to the deck plate. 311 has a strength capable of supporting the top surface of the deck plate, and is formed of a material that is elastically deformable to rise with the nut 32 to press the deck plate bottom surface, for example, rubber or soft plastic. It can be formed as.

The nut 32 may have a cylindrical shape or a polygonal outer surface thereof and includes an upper nut 321 and a lower nut 322.

The nut 32 includes a groove 323 formed in a circumferential direction on an outer surface spaced a predetermined length from the upper surface, the groove 323 is a predetermined interval to achieve a sense of unity with the elastic body 31 It may be spaced apart to form a plurality. Therefore, since the part of the elastic body 31 is inserted into the groove 323 to be integrally formed, the elastic body 31 when the deck plate insert structure 4 to be described below is mounted on the deck plate. And the nut 32 can be easily raised integrally, and a gap can be prevented from occurring.

The nut 32 is generally formed integrally with the elastic body 31 through insert injection, but it is not excluded that the nut 32 may be coupled to the elastic body by other methods.

The upper nut 321 is a female thread corresponding to the male screw 14 of the long bolt 1 described above is formed in the circumferential direction, the threaded portion of the long bolt 1 in the coupling relationship of the present invention to be described below 14 is fastened.

The lower nut 322 is axially extended from the upper nut 321 and circumferentially for installing a lower structure having a bolt having a diameter smaller than the threaded portion 14 of the long bolt 1 without a separate connector. A female screw is formed. According to another embodiment, the lower side nut 322 is composed of multiple stages such as two stages, three stages, etc., which are sequentially expanded from one end of the upper side nut 321, and the threaded portion 14 of the long bolt 1 It is also possible to facilitate the installation of various substructures using larger diameter bolts (not shown). According to another embodiment, the lower nut 322 is reduced in diameter at the upper nut 321. It may be provided with a configuration having a stage and expanded in multiple stages from one end of the stage (see Fig. 2).

In addition, the cap portion 2 extends in the longitudinal direction and includes a body 21 having a through hole 211 and a flange 22 formed to be enlarged at an upper end of the body 21.

The body 21 is formed as a hollow cylinder having the through hole 211 therein, and is formed to extend a predetermined length so that one end thereof may protrude downward through a hole formed in the deck plate.

The flange 22 has a sidewall 221 extending a predetermined length downward from the outer circumference thereof to form a predetermined space therein to surround the elastic flange 311 of the elastic body 31.

The height of the side wall 221 is formed to be in close contact with the upper surface of the deck plate when pressed by the pressing portion 131 of the long bolt 1 to block the inflow of concrete.

The cap part 2 can electrically separate the deck plate insert structure 4 and the deck plate, and the upper surface of the deck plate when the deck plate insert structure 4 to be described later on the deck plate It may be formed of, for example, rubber or soft plastic having strength capable of supporting the resin.

In the following, the applicant looks at the preferred embodiment according to the combination of the insert structure for the deck plate described above.

1 and 2, the insert structure 4 for the deck plate has a body of the cap 2 in the insertion groove 312 of the elastic member 3. (21) and the threaded portion (14) of the long bolt (1) is passed through the through hole 211 of the cap portion (2) protruding the threaded portion 14, the upper nut of the elastic member (3) The insert structure 4 for the deck plate is temporarily engaged by fastening to 321.

Figure 3a is a use state diagram inserted into a hole formed in the deck plate after the insert structure for the deck plate according to the present invention, Figure 3b is a use state diagram fixed to the deck plate insert structure according to the present invention. .

When the process of coupling the insert structure 4 coupled to the deck plate 5 will be described with reference to FIGS. 3A and 3B, the insert structure 4 for deck plate insert structure ( Insert the elastic body 31 of 4) into the hole 6 of the deck plate so that the elastic flange 311 of the elastic body 31 is caught on the upper surface of the deck plate (5) Is mounted on.

Subsequently, the insert structure 4 for the deck plate is rotated in a clockwise direction by using a tool such as a spanner to rotate the bolt rod 13 having the head 11 or the outer surface of the long bolt 1 formed in a polygon,

The pressing part 131 of the long bolt 1 presses the flange 22 of the cap part 2 to seal the pressing part 131 and the flange 22 of the cap part 2 in close contact with each other. Lowering the side wall (221) of the cap (2) so that the bottom surface (222) is in close contact with the deck plate (5) to seal the cap (2) and the deck plate (5);

The flange 22 of the cap portion 2 is pressed against the upper surface of the elastic flange 311 of the elastic body 31, the elastic flange 311 is formed larger than the hole 6 of the deck plate Presses the upper surface of the deck plate 5;

The elastic body 31 and the nut 32 are raised due to the fastening of the threaded portion 14 and the upper nut 321 so that the compression surface 313 of the elastic body 31 swells outward to the deck. Pressing the lower surface of the plate 5;

The insert plate 4 for deck plate is firmly fixed by pressing the upper and lower surfaces of the deck plate 5.

In this case, the outer surface of the nut 32 is formed with a plurality of grooves 323 spaced apart at regular intervals, and the elastic body 31 and the elastic body 31 by the fastening of the screw portion 14 and the upper nut 321 The nut 32 can be easily raised integrally, and can prevent a gap between the nut 32 and the elastic body 31 when pressed.

Here, before the concrete is placed, the head plate 11 or bolt rod 13 of the long bolt 1 can be easily removed by rotating in a counterclockwise direction with a tool such as a spanner at one side of the deck plate 5, so that the design When it is necessary to install a lower structure having a bolt of a different diameter according to the change, etc., the elastic member 3 having the lower nut 322 corresponding thereto may be coupled and fixed through the above process.

On the other hand, when the lower structure to be installed even after the concrete is composed of a bolt of a different diameter from the lower side nut 322 of the insert structure (4) for the deck plate counterclockwise the elastic member 3 with a tool such as a spanner It is possible to install the lower structure of various diameters by combining the elastic member 3 having the lower nut 322 formed in a different diameter by applying rotation in the direction.

In addition, in addition to the method of installing the lower structure having a bolt of a different diameter by replacing the elastic member 3 described above, it consists of a multi-stage, such as two-stage, three-stage, etc. sequentially expanded from one end of the upper nut 321 An elastic member having the lower side nut 322 or the lower side nut 322 having a lower diameter in the upper side nut 321 and having a configuration in which the lower side nut 322 is expanded in multiple stages at one end thereof. Using the insert structure 4 for the deck plate made of 3) it is possible to easily install a variety of lower structures without replacing the elastic member (3).

Figure 3c is a use state diagram using a separate connector after removing the elastic member after the concrete in the insert structure for deck plate according to the present invention.

3B and 3C, the process of coupling the separate connector 7 will be described later. In the insert structure 4 for the deck plate, after the concrete is placed, the elastic member 3 will be counterclockwise with a tool such as a spanner. By separating the reverse rotation by applying a separate connector 7 and the screw portion 14 penetrating through the body 211 of the cap portion 2 can be installed a lower structure having bolts of different diameters.

Here, the body 211 of the cap portion 2 includes one formed to protrude downward through the hole 6 of the deck plate.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible in the art without departing from the spirit of the present invention. It will be evident to those who have knowledge of.

The present invention can achieve the following effects by the above configuration and the coupling relationship.

According to the present invention, since the body of the cap part is coupled to the insertion groove of the elastic member, it is easy for the worker to fasten the screw part of the long bolt to the nut on the upper side of the elastic member, thereby having a convenient operation.

 The present invention inserts the insert structure for the deck plate into the hole of the deck plate and rotates the head of the long bolt with a tool such as a spanner to easily mount and detach the deck plate insert structure from the deck plate. The effect which can be easily attached also from the side can be acquired.

The present invention has the effect of easily mounting the deck plate insert structure on one side of the deck plate by applying a rotation to the bolt rod formed in the polygonal outer surface even if the head of the long bolt is entangled with other structures can not be rotated.

The present invention inserts the insert structure for the deck plate into the hole of the deck plate, and then the long bolt, the cap part, and the cap part and the deck plate are tightly sealed so that the concrete flows into the gap between the deck plate insert structure and the deck plate when placing the concrete. There is an effect that can be prevented.

The present invention pressurizes the upper and lower sides of the deck plate with a large force by fastening the bolt part of the long bolt and the nut on the upper side of the elastic member so that it can be maintained vertically on the deck plate without losing the center when placing concrete. The effect of fixing the structure in the correct position can be achieved.

The present invention is able to fasten the lower structure through the lower nut formed integrally with the elastic body, so that the connector can be omitted and fastened to the lower structure work process caused by separation of the connector by micro vibration after walking concrete Has the effect of preventing the hassle and safety accidents.

The present invention can be easily separated by applying a reverse rotation of the elastic member with a tool such as a spanner after the concrete is placed, it can achieve the use effect to install a variety of substructures as needed using a separate connector.

The present invention forms a plurality of grooves spaced at regular intervals on the outer surface of the nut, so that a part of the elastic member is inserted into the groove to be integrally formed, so that the nut and the elastic member when mounting the deck plate insert structure on the deck plate Can be easily raised integrally, and an effect of preventing a gap between them can be obtained.

The present invention separates the elastic member with a tool such as a spanner after concrete pouring, and can easily combine the elastic member with the nut on the lower side with different diameters, preventing troublesome work process and safety accidents, and installing various substructures. Has the effect.

The present invention has a lower side nut composed of a plurality of multi-stages that are sequentially expanded at one end of the upper nut or a lower side having a reduced diameter at the upper side nut and having a configuration that is expanded in multiple stages at one end of the upper end nut. By using a nut, it is possible to achieve the effect of easily installing various substructures without replacing the elastic member.

The present invention is formed so that the cap portion, the elastic body is formed of an insulating material and the body of the cap portion can protrude downward through the hole of the deck plate, it is possible to electrically separate the deck plate and the insert plate for the deck plate by the short circuit The effect of preventing a safety accident can be obtained.

Claims (13)

Jang bolts formed to maintain the center when placing concrete; A cap part pressurized by the long bolt to support the upper surface of the deck plate, and to seal the long bolt and the deck plate when concrete is poured; An elastic member which is fastened to the long bolt passing through the cap part and is fixed by pressing up and down the deck plate; Insert structure for deck plate including The method of claim 1, wherein the long bolt Head formed of polygons; A head flange formed larger in diameter than the head so as to extend from the head to fix the insert structure to concrete and deck plates after concrete is poured; A bolt rod extending from the head flange and having a pressurizing portion capable of sealing and pressing the cap portion, the bolt rod having a diameter large enough to maintain the center of the insert structure when concrete is poured; A thread part having a male screw extending from the bolt rod to penetrate the cap part and engaging with the elastic member; Insert structure for deck plate comprising a The method of claim 2, wherein the elastic member An elastic body having an elastic flange having a larger diameter than a hole formed in the deck plate so as to support the upper surface of the deck plate, and having a predetermined length extending in the longitudinal direction from the elastic flange; Insert structure for the deck plate is formed integrally with the lower portion of the elastic body and comprises a nut formed with a female thread corresponding to the male thread formed in the threaded portion of the long bolt 4. The nut of claim 3 wherein said nut is An upper nut which may be fastened to the threaded portion of the long bolt; Insert structure for the deck plate, characterized in that it comprises a lower side nut which is reduced in diameter from the upper side nut The method of claim 4, wherein the cap portion A body extending in the longitudinal direction and having a through hole; A flange formed by being enlarged at an upper end of the body; The flange has an insert structure for the deck plate having a side wall extending a predetermined length downward from the outer circumference to define a space surrounding the elastic flange of the elastic body According to claim 5, wherein the body of the cap portion Insert structure for deck plate, characterized in that one end is formed so as to project downward through the hole of the deck plate The method of claim 6, wherein the cap portion Insert structure for deck plate, characterized in that formed from a material that can electrically separate the insert structure from the deck plate The method of claim 7, wherein the elastic body Insert structure for deck plate, characterized in that the outer surface is a polygon The method of claim 8, wherein the nut is The body is formed in a cylindrical shape, the insert structure for the deck plate, characterized in that the groove is formed on the outer surface The method of claim 8, wherein the nut is Insert structure for deck plate, characterized in that the outer surface is a polygon The method of claim 2, wherein the bolt rod Insert structure for deck plate, characterized in that the outer surface is a polygon 4. The nut of claim 3 wherein said nut is An upper nut which may be fastened to the threaded portion of the long bolt; Insert structure for the deck plate, characterized in that it comprises a lower side nut which is expanded in the multi-stage diameter at one end of the upper side nut The method according to any one of claims 4 to 11, The lower side nut insert structure for the deck plate further comprises a configuration that is expanded at its one end and extended in multiple stages

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