KR101620044B1 - Fixed flat pad structure for installation of access floor panel - Google Patents

Abstract

A pad fixing structure for mounting an access floor will be described. The present invention includes an elongated hole 130 formed in a top surface 120 of a pedestal head 110; And an extension hole 140 extending to one side of the long hole 130 so that the pad 200 is placed on the top surface 120 of the head 110 and the pad 200 And fixing the position of the pedestal to the pedestal when the pad is installed on the pedestal.

Description

FIELD OF THE INVENTION [0001] The present invention relates to a pad structure for an access floor,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a structure for fixing an access floor mounting pad, and more particularly, to a pad fixing structure for mounting an access floor, which is used for initial positioning of a pedestal and correction of a panel mounting position by an accumulated error will be.

A dual floor or free access floor system (hereinafter referred to as a "double floor system" or "pre-access floor" is referred to as an "access floor") has been widely applied to flooring in cleanrooms, laboratories, computer rooms, electrical rooms, . In the clean room, it is necessary to place the various process equipments, the precise horizontal floor for the movement of the conveying means and its development, and the access floor which can also serve as a shield for the electric wiring, a moisture barrier and a prevention function for static electricity. The access floor for installation in a clean room is separated from the foundation floor to provide a floor panel, and a pedestal structure for supporting the pedestal structure and a height adjustment are described in Korean Utility Model Registration No. 20-0458898.

In the details of the access floor, a pad is provided between the pedestal head and the floor panel in the construction of the floor panel, which is not directly involved in the height adjustment of the pedestal, but serves to fix the floor panel in the correct position It is made of aluminum die-casting casting with appropriate strength to make it possible. Also, the surface is equipped with a rubber pad for damping the transmission impact shock and vibration of the panel.

On the other hand, the conventional method of fixing the pads to the pedestal head by dynamically fixing the pads and placing the panels on the pedestal heads does not cope with the change of the pedestal head and the position of the floor panel. In particular, it is not possible to reposition the pad assembled on the pedestal head during the relocation or maintenance of the access floor panel due to the replacement or reinstallation of the pedestal or panel, or the change of the equipment components. It is necessary to use it, resulting in a large work loss and an increase in cost.

Improved proposals addressing this problem have provided a radial dispensing mechanism on the top surface of the pedestal head to move the head or pad of the pedestal within a given range to ultimately lead the corner of the panel to the correct position of the pad .

However, existing proposals for combining conventional pedestal heads, pads, pedestal heads, and pads in a positional adjustable relationship have been problematic in that stress is weakened by placing a mechanism on the top surface of the pedestal head, A reinforcing structure has been applied to increase the weight of the head and low economic efficiency.

In addition, a nut having a different shape corresponding to the shape of the distributing mechanism for stopping at the point when the bolt is passed through the pad at one point of the distributing mechanism and freely movable along the distributing mechanism formed in the pedestal head and supporting the pad Therefore, there is a problem in cost increase for manufacturing a separate nut. Furthermore, since the nut fastened to the pulley mechanism can be freely rotated, the nut is loosened by an external force such as vibration after the pad is engaged and fixed, and there is a problem that the pad is released or the head and pad are loosened have.

Patent Document 1. Utility Model Registration No. 20-0458898 registered in the Republic of Korea Patent Document 2: Korean Patent Registration No. 10-0654577 Patent Document 3. Utility Model Registration No. 20-0443525 registered in the Republic of Korea

SUMMARY OF THE INVENTION The present invention has been conceived to solve the problems of the prior art, and an object of the present invention is to provide a pedestal head in which a pad is movably installed so as to reduce the area of a hole formed in the head, .

It is another object of the present invention to provide a method of mounting a panel on a pedestal, in which the assembly and fastening of a pad used for initial positioning of a pedestal and correction of a panel installation position by cumulative errors are easily fixed to the head using a commercial bolt and a nut So that the head can be moved and installed.

It is a further object of the present invention to structurally prevent rotation and unclamping of a nut after assembling a pad to a pedestal head, thereby reducing pad position deviation and vibration noise due to an external force such as vibration.

According to another aspect of the present invention, there is provided an access floor mounting pad fixing structure for mounting a floor panel mounting pad along a head of a pedestal and a head of the pedestal to fix the pad to the head, A long hole formed in the upper surface of the substrate; And a fastening hole for fastening the pad along the elongated hole so that the pad is placed on the upper surface of the head, and an enlarged hole extending to one side of the elongated hole, do.

In another aspect of the present invention, there is provided an access floor mounting pad fixing structure for fixing a pad to a head by aligning a head of a pedestal and a pad for mounting a floor panel along a head of the pedestal, hall; And an enlarged hole extending in one direction to the elongated hole, wherein the fastening hole allows the pad to be placed on the upper surface of the head and fix the pad along the elongated hole; And a fastening hole or an elongated fastening hole formed in the pad through which the fastening hole passes.

The pad fixing structure for mounting an access floor according to an embodiment of the present invention is characterized in that the shape of the elongated hole of the pedestal head is a T (T) shape or a tilting (+) shape, Or a positive (+) character.

According to another aspect of the present invention, there is provided a pad fixing structure for mounting an access floor, wherein a top surface of the pedestal head is formed with a connection hole for allowing the long hole and the extension hole to communicate with each other, And an extension hole is provided at an outer end of the hole.

The pad fixing structure for mounting an access floor according to an embodiment of the present invention is characterized in that the long hole is formed along the center of the longitudinal center axis of the head intersecting or offset from the center.

The pad fixing structure for mounting an access floor according to an embodiment of the present invention is characterized in that a step for preventing the rotation of the nut for fixing the fastening hole is formed on the back surface of the long hole.

The pad fixing structure for mounting an access floor according to an embodiment of the present invention is characterized in that a pad is formed with a fastening hole through which a fastening hole is passed to be fixed to a pedestal head.

In the pad fixing structure for mounting an access floor according to an embodiment of the present invention, the fastening hole opened to the pad includes a fastening hole or a long hole for allowing the pad to move freely about a fastening hole, The spherical fastening hole is formed with a diameter for receiving a head portion of the fastening hole, and a sphere rear surface or a step.

In the pad fixing structure for mounting an access floor according to an embodiment of the present invention, the fastening holes or the elongated fastening holes are punched in one or more numbers along the horizontal or vertical direction about the center of the crossing of the transverse and longitudinal axes .

The pad fixing structure for mounting the access floor according to the embodiment of the present invention is characterized in that the area of the pedestal head is larger than that of the pad.

The pad fixing structure for mounting an access floor according to an embodiment of the present invention is characterized in that the fastener includes a dish-headed bolt with a slope, a hexagonal head bolt, a slope or an angled head bolt and a pin.

The pad fixing structure for mounting the access floor according to the embodiment of the present invention can reduce the area of the hole formed on the upper surface of the head when the pad is assembled so as to be movable on the pedestal head, It is possible to reduce the strength of the head and reduce the cost of the pad.

The access floor mounting pad fixing structure according to the embodiment of the present invention is advantageous in that the base bolt and the nut can be selectively purchased and economically used without separately manufacturing bolts and nuts for fastening the pad to the pedestal head.

The pad fixing structure for mounting the access floor according to the embodiment of the present invention can prevent the rotation of the nut after the pad is assembled to the pedestal head so that the positional deviation of the pad due to an external force such as vibration and the deterioration of the adhesion between the pad and the head No vibration noise can be reduced, and rotation and loosening prevention function, so once fixed pad is not easy to solve.

1 is a perspective view of an access floor installed state according to an embodiment of the present invention;
Fig. 2 is a plan view of a pedestal according to an embodiment of the present invention. Fig. 2 (a) is a plan view, Fig. 2 (b) is a bottom view, and Fig. 2 (c) is a front view.
Fig. 3 is a pad according to an embodiment of the present invention, wherein (a) is a plan view, (b) is a bottom view, and (c) is a front view.
4 is an exploded perspective view of a pad according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a fastener for fastening a pad to a head according to an embodiment of the present invention. FIG. 5 (a) is an initial state of the fastener, and FIG.
FIG. 6 is a side view of a pad position adjustment on a pedestal head according to an embodiment of the present invention. FIG. 6 (b) is a view showing a state in which the pad is positioned at the center of the head, (C) is a deflection position in which the pad is biased toward the left-hand diagonal xy-axis of the head, and (d) is a deflection position where the pad is biased toward the post-diagonal xy-axis of the head.
7 is a cross-sectional view of a pedestal head and a pad in a fastened state using a plate head bolt according to an embodiment of the present invention;
8 is a cross-sectional view of a pedestal head and a pad in a fastened state using a hexagonal bolt according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to FIGS. 1 to 8. FIG.

The pad fixing structure for mounting the access floor according to the embodiment of the present invention can prevent the floor panel A from being displaced when the floor panel A is installed in the head of the pedestal, Repositioning installation including positioning correction, positioning installation, moving installation, etc. are configured to be free from the allowable area.

1 is an exploded perspective view of an access floor according to an embodiment of the present invention. Referring to FIG. 1, a pedestal 100 is vertically erected on a beam B lying on a foundation floor or structure, a head 110 is placed on the pedestal 100, and a pad 200 is placed on the head 110 It is fixed. The floor panel A is installed continuously by touching four corner portions along the installation guide 201 formed on the pads 200. The head 110 also has a bracket 102 for coupling the stringer 101 in each direction.

The pad fixing structure for mounting an access floor according to an embodiment of the present invention includes a head 110 of a pedestal 100 and a floor panel mounting pad 200 along a pedestal head 100, (110).

2 is an example of a pedestal head according to an embodiment of the present invention, wherein (a) is a plan view, (b) is a bottom view, and (c) is a front view.

Referring to FIG. 2, an elongated hole 130 is formed in the upper surface 120 of the pedestal head 110. The elongated hole 130 includes an extended hole 140 extending in one direction.

3 is an example of a pad according to an embodiment of the present invention, wherein (a) is a plan view, (b) is a bottom view, and (c) is a front view.

Referring to FIG. 3, the shape of the pad 200 is specifically shown. As shown in (a) and (c) of FIG. 2, the pad 200 is formed with an installation guide 201 for installing the floor panel A so as to serve as a guide when installing the floor panel. The concavity and convexity 203 for the purpose of increasing the surface area of attachment when the pad 200 is attached using an adhesive is formed.

4 is an exploded perspective view of a pad according to an embodiment of the present invention. Referring to FIG. 4, the pad 200 is placed on the upper surface 120 of the head 110 and the pad 200 is fixed through the fastener 300 along the long hole 130.

FIG. 5 is a comparative reference view showing a coupling process of a fastener for fastening a pad to a head according to an embodiment of the present invention. FIG.

(a) shows a state in which the fastener 300 has initially entered the long hole 130 of the head 110, and (b) shows a state in which the fastener 300 has been fastened by the nut 400.

The pad fixing structure for mounting an access floor according to an embodiment of the present invention includes a head 110 of a pedestal 100 and a floor panel mounting pad 200 along a pedestal head 100, (110).

For this, an elongated hole 130 is formed in the upper surface 120 of the pedestal head 110 and an extended hole 140 is formed in the elongated hole 130. The pad 200 is connected to the head 110 And a fastener 300 for fastening the pad 200 along the elongated hole 130 so as to be placed on the upper surface 120 of the pad 120.

An elongated hole 130 is formed in the upper surface 120 of the pedestal head 110 and an extended hole 140 is formed in the elongated hole 130. The pad 110 is formed with a head 110, And a fastener 300 for fastening the pad 200 along the elongated hole 130 so as to be placed along the upper surface 120 of the fastener 300. The pad 200 through which the fastener 300 passes may include a fastening hole 210 or an elongated fastening hole 220 may be formed.

The elongated hole 130 of the pedestal head 110 is in the shape of a hole through which the fastener 300 can pass and the extended hole 140 is formed in a shape that the fastener 400 having the nut 400 is inserted It is preferable that the hole is formed to be larger than the size of the long hole 130. The head 110 is preferably formed to have a wider area than the pad 200.

In addition, the shape of the long hole 130 of the pedestal head 110 may be a T-shaped or a T-shaped. Referring to FIG. 2, it is shown as an example formed in a Tee (T) shape. The shape of the long hole type coupling hole 220 of the corresponding pad 200 may be a negative (-) or a negative (+) shape. Referring to FIG. 3, a shape of a (-) shaped slot-like fastening hole 220 is shown as an example. In this case, the position of the pad 200 may be complicated to adjust, and the position of the pad 110 may be changed. The position of the fastening hole formed in the pad 200 is the same as that of the fastening hole 220 shown in FIG.

The upper surface 120 of the pedestal head 110 may include a connection hole 150 for allowing the elongated hole 130 and the extended hole 140 to communicate with each other. The connection hole 150 is preferably formed at a position deviated from the circumference and the center of the circumference to be escaped from the elongated hole 130, and the extension hole 140 may be provided at the outer end thereof.

The bolt lead portion of the fastener 300 is moved along the connection hole 150 after fitting the fastener 300 assembled with the nut 400 at one time through the extension hole 140 formed in the head 110, The fastener 300 can be positioned at any one point of the hole 130.

The fastener 300 passing through the fastening hole 210 of the pad 200 or the fastening hole 220 of the pad 200 can be fixed at any point in the long hole 130 of the head 110, The position of the pad 200 can be determined.

The elongated hole 130 formed in the head 110 is preferably formed along the center of the crossing of the transverse (x) and longitudinal (y) central axes of the head 110. The position of the long hole 130 formed with respect to the center portion is advantageous for easily selecting and adjusting the movement and positioning of the pad 200 and the fastening operation of the fastener 300. The position of the elongated hole 130 formed in the head 110 can be formed at a position shifted from the center. In this case, however, movement and positioning of the pad and fastening operation of the fastener can be troublesome.

The fastening hole 300 is loosened by a vibration or the like by a step 131 for preventing the rotation of the nut 400 that fixes the fastening hole 300 to the back surface of the long hole 130, And the like. The nut 400 may be a plain nut 400 without being manufactured separately.

The fastening hole 210 formed in the pad 200 may be formed by a free movement of the fastening hole 300 or a long hole type fastening hole 220 for allowing the pad 200 to freely move around the fastening hole 300 . The diameter of the fastening hole 210 or the fastening hole 220 and the diameter of the fastening hole 300 to accommodate the head portion of the fastening hole 300 may be formed so that when the floor panel A is seated thereon, This prevents the floor panel from being pinched by the protrusion of the head part and supports the floor panel (A) in a horizontal state.

The fastening hole 210 or the elongated fastening hole 220 formed in the panel 200 may have one or more longitudinal or transverse directions with respect to the center where the transverse (x) and longitudinal (y) Can penetrate water. Referring to FIG. 3, an example in which one long hole 230 is formed is shown.

Also, it is preferable that the area of the pedestal head 110 is larger than that of the pad 200.

The fastener 300 may also include a dish head 310 with a slope 311, a hex head 320 bolt, a slope or an angled head bolt and pin, so that the fastener 300 is separately manufactured A commercially available bolt can be used as a fastener 300 directly through selective purchase.

Hereinafter, the process of assembling the head using the head and the head according to the embodiment of the present invention, and adjusting the position while moving the pad on the head will be described.

4, when the pad 200 is assembled to the pedestal head 110, the fastener 300 fastened with the nut 400 is inserted into the elongated fastening hole 220 in the lower direction from the upper portion of the pad 200, The head is caught by the sphere rear surface 230 or the step 240 formed in the pad 200 and the nut 400 coupled to the bolt lead portion passes through the long hole type coupling hole 220, And is extended to the center of the extension hole 140.

5 (a), the fastener 300 passing through the expansion hole 140 of the head 110 passes through the extension hole 140 of the head 110, The nut 400 coupled to the bolt lead of the fastener 300 is moved to the long hole 130 by pushing or pulling the pad 200 sideways along the connection hole 150.

5 (b), when the head 320 of the fastener 300 is rotated, the nut 400 is seated in the step 131 of the long hole 130 to prevent the nut 131 from being loosened The pad 200 is mounted on the head 110 in a state in which the head 110 is in a state of being opened.

6 is a reference view showing a pad position adjustment state on a pedestal head according to an embodiment of the present invention.

6, the bolts of the fastener 300 and the nuts 400 fastened thereto are moved along the holes formed in the head 110 and the pad 200 to move the pad 200 along the upper surface of the head 110, It is possible to move the position of the head 110 or to fix the pad 200 at a predetermined position of the head 110. [

Specifically, the area of the top surface 120 of the head 110 is wider than that of the pad 200. 6 (a) is a right position in which the pad 200 is placed at the center of the head 110. (b) is a deflection position in which the pad 200 is shifted upward in the y-axis of the head 110, and (c) is a deflection position in which the pad 200 is biased in the leftward diagonal x-y axis of the head 110. (d) is the deflection position where the pad is biased towards the post-diagonal x-y axis of the head.

Accordingly, the pad 200 is moved in the xy direction or the diagonal direction along the long hole 130 formed in the head 110, wherein the long hole 130 freely moves the pad 200 in a limited small hole area . The shape of the T-shaped elongated hole 130 placed in the head 110 minimizes the area of the hole for moving the bolt of the head 110, so that the strength of the head is not greatly reduced.

FIG. 7 is a cross-sectional view illustrating a state in which a pedestal head and a pad are connected using a dish head bolt according to an embodiment of the present invention. 7, the pad 200 is fastened along the sphere rear surface 230 of the pad 200 and the long shaft type fastening hole 220 of the pad 200 and the head 110 are fastened together. The nuts 400 that pass through the elongated hole 130 of the elongated hole 130 and are seated on the back surface of the elongated hole 130 are blocked by the step 131. Thus, the close contact between the upper surface 120 of the head 110 and the pad 200 is maintained for a long period of time, and the close contact between the head and the pad prevents lifting of the panel A and prevents vibration and noise.

FIG. 8 is a cross-sectional view illustrating the state of fastening of a pedestal head and a pad using a hexagon head bolt according to an embodiment of the present invention. Referring to FIG. 8, the pad 200 includes a hexagonal head 320 bolted along the step 240 of the pad 200, and the long hole 330 of the pad 200 and the head 110 The nut (400), which is passed through the long hole (130) and seated on the back surface of the long hole (130), is blocked by the step (131). Through this, the close contact state between the top surface 120 of the head 110 and the pad 200 is maintained for a long time, and the close contact between the head and the pad prevents the lifting of the panel A and prevents vibration and noise.

Usable fasteners 300 may include dish head 310 bolts, hex head 320 bolts, slopes or angled head bolts and pins with slopes 311. The fastener 300 and the nut 400 may be used separately for the manufacture of the prefabricated bolts and nuts.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of illustration, .

100: pedestal 110: head
120: Top surface 130: Long hole
131: Step 140: Expansion hole
150: connection hole 200: pad
210: fastening hole 220: long shaft type fastening hole
230: spherical back surface 240: step
300: fastener 310: plate head bolt
320: Hexagon head bolt 400: Nut

Claims (11)

A head 110 of a pedestal 100 and a pad fixing structure for mounting an access floor to fix the pad 200 to the head 110 by aligning the floor panel mounting pad 200 along the pedestal head 110 As a result,
An elongated hole 130 formed in the upper surface 120 of the pedestal head 110; An extension hole (140) extending to either one of an outer periphery circumferential to be escaped from the long hole (130) and an outer periphery out of the center; And a connection hole (150) for allowing the long hole (130) and the extension hole (140) to communicate with each other,
A fastener 300 for placing the pad 200 on the top surface 120 of the head 110 and fixing the pad 200 along the long hole 130; An elongated fastening hole 220 formed in the pad 200 through which the fastener 300 passes; And
And a step (131) for preventing rotation and loosening of the nut (400) fixing the fastener (300) to the back surface of the long hole (130) formed in the head (110). delete The method according to claim 1,
When the shape of the long hole 130 of the pedestal head 110 is a T shape or a positive shape and the shape of the long hole 230 of the pad 200 is negative, Padded fastening structure for access floor mounting, which is tapered or tapered (+). delete The method according to claim 1,
Wherein the long hole (130) is formed along the center of the cross (x) longitudinal axis (y) of the head (110) or is displaced from the center. delete The method according to claim 1,
And a fastening hole (210) formed in the pad (200) to pass through the fastener (300) and fixed to the pedestal head (110). 8. The method of claim 7,
The fastening hole 210 opened in the pad 200 includes a fastening hole 300 for free movement or a fastening hole 220 for allowing the pad 200 to freely move around the fastening hole 300 And a hole for receiving the head portion of the fastener 300 and a sphere rear surface 230 or a step 240 are formed in the fastener hole 210 or the long hole fastener hole 220, . 9. The method of claim 8,
The fastening hole 210 or the elongated fastening hole 220 is formed in one or more rows along the horizontal or vertical direction with respect to the center of the intersection of the horizontal (x) and vertical (y) axes. The method according to claim 1,
Wherein the pedestal head (110) has an area larger than that of the pad (200). The method according to claim 1,
The fastener (300) includes a dish head (310) bolt with a slope (311), a hex head (320) bolt, a slope or angled head bolt, and a pin.

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