KR101843882B1 - Pedestal assembly for access floor - Google Patents

Abstract

The present invention relates to a pedestal for reducing an assembly tolerance of an access floor. According to the pedestal of the present invention, in a clean room, a computer room, a hospital, and an office room, concrete slab of the buildings can be spaced from a floor panel or from a ceiling panel thereof to form a space for connecting a wire or a pipe. More specifically, according to the present invention, an assembly protrusion and an assembly hole, a protrusion and a protruding groove, and a coupling structure using a V-shaped concave unit can be introduced to a coupling unit of a head for forming the pedestal and to a horizontal supporting frame coupled to the coupling unit. Therefore, shaking in accordance with a processing error between the coupling unit and the horizontal supporting frame can be prevented, thereby increasing construction performance and stability of the access floor.

Description

[0001] PEDESTAL ASSEMBLY FOR ACCESS FLOOR [0002]

The present invention relates to a pedestal that forms a space for wiring or piping connection by separating a concrete slab of a building from a floor panel or a ceiling panel in a clean room, a computer room, a hospital, an office, A coupling structure using an assembling protrusion, an assembling hole, a locking protrusion, a latching groove and a 'V' -shaped concave portion is introduced into a horizontal supporting frame coupled to a coupling portion and a coupling portion of a head constituting a pedestal, To a pedestal capable of reducing the assembly tolerance of the access floor so as to improve the workability and safety of the access floor by preventing shaking or the like caused by machining errors between the frames.

Since a lot of wiring and pipes are installed in a clean room or computer room, it is possible to prevent a safety accident, convenience of wiring and piping connection, sound insulation, antistatic prevention, air conditioning, interior decoration, Wiring or piping is embedded between concrete slabs and floor panels (or ceiling panels), and the double floor structure for this is called an access floor.

In such an access floor, a panel is installed on an upper part of a supporting device provided between the supporting floor and the slab. At this time, the supporting device for supporting the panel is composed of a pedestal in which a horizontal supporting frame is combined to serve as a pillar.

As a related art related to pedestal, there are the registered patent 10-1376803, the registered patent 10-1511902, the registered patent 10-1428029, the patent 10-2007-0000854,

The conventional techniques are basically similar in that a horizontal support frame is assembled in a male and female coupling structure in a coupling portion provided in a head of a pedestal.

In such a conventional pedestal, since the pedestal and the horizontal support frame are made of a metal material in order to reinforce the strength, a machining error occurs for each part during production. When a machining error between the fastening part and the horizontal support frame is large, There is a problem that the horizontal support frame is shaken.

This will be described in more detail with reference to FIG. 5, which is a drawing of the above-mentioned Japanese Patent No. 10-1428029.

The head 121 of the pedestal 100 is formed with an a-shaped coupling part 126 protruding to form a male coupling part, and the horizontal supporting frame 200 is provided with an insertion part corresponding to the a- The head 121 and the horizontal support frame 200 are assembled with the coupling part 126 and the insertion part 240 being male and female,

When the tolerance between the width d1 and the height h1 of the inserting portion 240 and the width d2 and the height h2 of the fastening portion 126 are large, the horizontal support frame 200 is fastened to the fastening portion 126 with bolts Even if combined, up, down, left, and right shake may occur.

That is, for example, when the fastening portion 126 is produced with the minimum dimension within the design processing tolerance and the insert portion 240 is produced to the maximum dimension within the design processing tolerance, the fastening portion 126 and the insertion portion 240, the tolerance is increased, and in the state where the female and male joints are combined, shaking occurs and the safety is lowered.

The difference in tolerance between the fastening portion and the horizontal support frame is a major factor that can affect the workability and safety of the access floor. Though thorough dimension control is required during the production of the component, Therefore, the above problems are solved through additional joining of bolts in actual construction sites.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned problems occurring in the prior art, and it is an object of the present invention to provide a horizontal support frame, Which can reduce the tolerance of the horizontal support frame and minimize the shaking of the horizontal support frame.

It is another object of the present invention to provide a pedestal in which strength is reinforced against a pressure applied in a vertical direction while maintaining the weight of a conventional pedestal head.

Further, it is an object of the present invention to provide a pedestal that can prevent the horizontal support frame from being separated and separated from the fastening portion without bolted connection.

According to an aspect of the present invention, there is provided a pedestal comprising:

A head connected to the vertical support, and a fastening part protruding outwardly from the body; And

And a horizontal support frame coupled to the coupling portion,

Wherein the fastening portion and the horizontal support frame each include vertical reinforcing ends vertically connected at both ends thereof,

Wherein the fastening portion includes an assembling projection projecting upward from an upper surface and an engaging groove recessed inward from an outer surface of the first vertical reinforcing end,

The horizontal support frame includes a stitching hole formed so as to fit the assembly protrusion and a latching protrusion protruding inward from the inside of the second vertical stiffening end to be inserted into the latching groove.

In the pedestal according to the present invention,

Wherein the second vertical reinforcing end has a penetrating portion penetrating through both sides of a portion corresponding to the engaging groove and a part of the second vertical reinforcing end between the both penetrating portions is bent inward to form the engaging projection do.

Further, in the pedestal according to the present invention,

Wherein the engaging protrusion includes an upper long side portion formed at the same height as the first vertical reinforcing end and a lower short side portion formed at a lower height than the first vertical reinforcing end on the basis of a state in which the coupling portion and the horizontal support frame are coupled, And the short side portion and the short side portion protrude into the inner side in an angled structure.

Further, in the pedestal according to the present invention,

The fastening portion and the horizontal support frame may include at least one V-shaped concave portion formed by bending a part of the top surface downward in a shape corresponding to each other.

 The pedestal according to the present invention is characterized in that the pedestal is provided on the upper surface of the fastening portion and the horizontal support frame and includes an assembling projection and an assembling hole which are male and female engaged and a latching groove and a fastening protrusion provided on each vertical reinforcing end, It is possible to prevent the horizontal support frame from shaking with respect to the fastening part due to the coupling structure of the assembling protrusion, the assembling hole, the engaging groove and the engaging protrusion,

It is possible to prevent the horizontal support frame from being detached and detached from the coupling portion even if the bolt coupling is not performed, through the complementary coupling structure of the assembling protrusion, the assembling hole, the latching groove,

The horizontal support frame is used to form a locking protrusion by using a vertical reinforcing end of the horizontal support frame so that it is easy to manufacture and the long side portion and the short side portion constituting the locking protrusion are engaged with the end portion of the fastening portion with a protruding structure, Not only is the bonding force excellent,

The coupling portion and the horizontal support frame are formed of one or more 'V' -shaped concave portions, each of which has a similar 'M' shape (or a waveform) in which the longitudinal sectional shapes of the two members correspond to each other, The surface is assembled while being in contact with each other in a form complementary to each other in the form of an 'M' shape, and it is possible to improve the strength of the fastening portion and the horizontal support frame,

There is an effect that the construction of the access floor is convenient and the safety is improved.

1 is a side view schematically illustrating an access floor structure using the present invention and a side view showing an enlarged view of the present invention.
2 and 3 are a perspective view and a main part sectional view of the present invention.
4 is a cross-sectional view showing a coupling structure of a fastening portion and a horizontal support frame according to the present invention.
5 is a view for explaining a conventional pedestal;

While the present invention has been described in connection with certain embodiments, it is obvious that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the invention. It is to be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but on the contrary, is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

In the drawings, the same reference numerals are used for the same reference numerals, and in particular, the numerals of the tens and the digits of the digits, the digits of the tens, the digits of the digits and the alphabets are the same, Members referred to by reference numerals can be identified as members corresponding to these standards.

In the drawings, the components are expressed by exaggeratingly larger (or thicker) or smaller (or thinner) in size or thickness in consideration of the convenience of understanding, etc. However, It should not be.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise.

 In the present application, the term " comprising " or " consisting of ", or the like, refers to the presence of a feature, a number, a step, an operation, an element, a component, But do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

It is to be understood that the first to second aspects described in the present specification are merely referred to in order to distinguish between different components and are not limited to the order in which they are manufactured, It may not match.

In describing the pedestal that can reduce the assembly tolerance of the access floor according to the present invention, for the sake of convenience, the rigid approximate direction reference may be specified with reference to FIGS. 1 and 2, Direction, and directions are specified in accordance with this standard unless otherwise specified in the detailed description and the claims of the invention relating to other drawings.

Hereinafter, a pedestal according to the present invention will be described with reference to the accompanying drawings.

The present invention relates to a pedestal that is mounted on a concrete slab and supports an upper panel (P) to form an access floor as shown in Fig. 1,

Includes a head 10, a horizontal support frame 20, and a vertical support 30.

For convenience of explanation, the access floor forming the double bottom structure will be described as an example, but it goes without saying that the present invention can also be applied to an access floor or the like which forms a double ceiling structure by changing the overall direction of the present invention, Therefore, the description of the right direction of the present invention should not be limited to the specific directions in the present specification.

The head 10 and the vertical support 30 function as columns supporting the lower part of the horizontal support frame 20 supporting the upper panel P,

1 shows an embodiment in which a pipe-shaped vertical support 30 is connected to the lower part of the body 11 of the head 10 and another head 10 is connected to the lower part of the vertical support 30, A specific configuration or combination of the vertical supports 30 to which the head 10 is coupled, such as connecting the vertical supports of the screw rod type to the head 10 using a nut or connecting the simple pedestal without connecting the head to the lower portion of the vertical support, The structure can be modified in various known ways.

It is more preferable to connect the head 10 of the present invention to the upper and lower ends of the vertical support 30 to improve the safety of the access floor itself by forming the horizontal support frame 20 itself in a double structure, In this case, a screw thread is formed on the inner circumferential surface of the vertical support 30 and the screw thread of the support 40 is screwed to the vertical support 30 using the through-hole 11a of the lower head 10, Can be used for control.

Hereinafter, the description of the known vertical support 30 and the pedestal 40 will be omitted, and only the head 10 and the horizontal support frame 20, which are the core of the present invention, will be specifically described with reference to FIGS. 2 to 5 .

2 to 4, the head 10 includes a body 11 connected to an upper end of the vertical support 30, and a fastening part 30 projecting outward from the body 11 12).

The body 11 is formed in a dome shape that forms a receiving portion 11A and has an upper portion opened in the receiving portion 11A and a through hole 11a provided in the bottom surface of the receiving portion 11A, The support rods 30 can be engaged and coupled using a nut. Of course, it is also possible that the vertical support 30 is integrally connected to the lower end of the body 11.

According to the number of the fastening portions 12, the outer surface of the body 11 is formed into a polygonal shape, and the fastening portions 12 are projectingly connected to the respective surfaces or portions of the body 11.

The coupling portion 12 is coupled with the horizontal support frame 20, and functions as a male coupling portion in the female-male coupling structure.

At this time, the number and arrangement of the fastening portions 12 can be variously changed according to the position where the pedestal is installed, the connection structure of the horizontal support frames 20, and the like. It is not limited to the shape in which the eight fastening portions 12 are arranged in a radial direction.

That is, for example, a total of six fastening portions 12 may be arranged in a '*' shape, or a total of four fastening portions 12 may be arranged in a '+' shape or an 'X' A total of two fastening portions 12 may be arranged in the shape of a letter or a letter and a single fastening portion 12 may be connected to the body 11 if necessary It is also possible.

This fastening portion 12 includes at least one "V" -shaped first concave portion (hereinafter, referred to as a first concave portion 13) formed by bending a part of the upper surface along the lengthwise direction, And a first vertical stiffening end (14) connected to the first recess (13) in the vertical direction.

That is, the fastening portion 12 is composed of a first inclined portion 13a connected to the first vertical reinforcing ends 14 at both ends in a downward or upward sloping manner toward the center inward, and the first inclined portion 13a, The first concave portion 13 is formed.

In the drawing, both side first vertical stiffening ends 14 and the first inclined portions 13a inclined downward inward from these upper ends are connected to each other so that the longitudinal section of the fastening portions 12 has a shape of a similar 'M' Although an embodiment having been described is shown,

The first inclined portion 13a inclined upward inward from the lower end of each of the first vertical reinforcing ends 14 may be connected so that the vertical cross section of the coupling portion 12 may have a similar W '

(Or upward) first inclined portion 13a and an upward (or downward) first inclined portion 13a are sequentially and continuously repeatedly connected inward so that a plurality of the first concave portions 13 are formed, The longitudinal cross-section of the fastening portion 12 may be a waveform in which the 'M' shape or the 'W' shape is repeated (the up-down zigzag connection shape).

Next, the horizontal support frame 20 is coupled to the coupling part 12 to support the upper panel P, and the vertical support frame 20 has a vertical cross-sectional shape corresponding to the vertical cross-sectional shape of the coupling part 12 ,

(Hereinafter referred to as a second concave portion 21) corresponding to the first concave portion 13 and a second concave portion 21 corresponding to the first vertical reinforcing end 14 And a reinforcing end 22,

The fastening part 12 is inserted into the insertion part 21A formed on the lower surface of the horizontal support frame 20 and assembled.

That is, the horizontal support frame 20 is composed of a second inclined portion 21a connected to the second vertical reinforcing ends 22 at both ends in a downward or upward sloping manner toward the center inward,

The upper space formed by the adjacent second inclined portion 21a becomes the second concave portion 21 and the lower space formed by the second vertical reinforcing ends 22 and the second inclined portions 21a is inserted into the insertion portion 21A) and functions as a female coupling portion.

At this time, the horizontal support frame 20 is formed so that the inner side dimension of the insertion portion 21A is the same as the outer side dimension of the coupling portion 12.

The fastening part 12 includes an assembling protrusion 15 protruding upward from the bottom of the first concave part 13,

The horizontal support frame 20 includes an assembly hole 23 through which the assembly protrusion 15 is inserted through the bottom of the second recess 21.

The assembling protrusion 15 protrudes below the depth of the first concave portion 13 so as not to contact the panel P. [

Therefore, when the horizontal support frame 20 is inserted into the fastening portion 12 and assembled, the horizontal support frame 20 is prevented from moving toward the outside in the longitudinal direction of the fastening portion 12 due to the engagement structure of the assembly projections 15 and the assembly holes 23 It is possible to prevent separation and separation.

Further, the fastening portion 12 includes an engaging groove 16 formed on the outer side surface of the first vertical reinforcing end 14 and recessed inward,

The horizontal support frame 20 includes a latching protrusion 24 protruding inward from the second vertical stiffening end 22 and fitted in the latching groove 16.

A part of the first vertical stiffening end (14) is formed thinner than other portions of the first vertical stiffening end (14) so that the upper end and the lower end of the stopping groove (16)

The engaging projection 24 is provided at the position corresponding to the engaging groove 16 so that when the horizontal supporting frame 20 is fitted over the engaging portion 12, .

Particularly, the second vertical stiffening end 22 has a penetrating portion 22A formed so as to penetrate a part of both sides of the position corresponding to the engaging groove 16, and the second vertical stiffening end 22, (22) is bent inward to protrude to form the engaging projection (24).

By forming the locking protrusion 24 integrally with a part of the second vertical reinforcing end 22 itself, it is not necessary to add another locking protrusion to be coupled to the second vertical reinforcing end 22, The connection strength between the step 22 and the engagement protrusion 24 is also stronger than the structure in which a separate locking protrusion is coupled.

The engaging protrusion 24 which bends and protrudes a part of the second vertical reinforcing end 22 is connected to the first vertical reinforcing end The upper side long side portion 24a formed at the same height as the first vertical reinforcing end 14 and the lower short side portion 24b formed at the lower height than the first vertical reinforcing end 14 are formed so that the long side portion 24a and the short side portion 24b And protrudes into an angled structure toward the inside.

The right and left width w1 of the angled inner edge portion 24c (i.e., the long side portion 24a and the short side portion 24b) at this time has a correlation of w1 < w2 with the lateral width w2 of the engaging groove 16,

The protruding height v1 of the angled inner corner portion 24c is formed so as to have a correlation with the depth v2 of the engaging groove 16 and v1? V2.

Therefore, when the horizontal support frame 20 is fitted on the fastening portion 12, the fastening protrusion 24 is inserted into the fastening groove 16 while the angled inner edge portion 24c and the fastening groove 16 , The width and the height (depth)

The inner edge portion 24c is returned to the inside due to the resilient restoring force of the locking projection 24 after the inner edge portion 24c is pressurized outward and the inner edge portion 24c is returned to the inside of the retaining groove 16 Both the outer side surfaces of the upper side long side portion 24a are caught by the inner side surfaces of the engaging grooves 16 so that the assembling protrusion 15 and the assembling hole 23 together with the horizontal supporting frame 20 can be prevented from swinging, separating, and separating from each other.

In addition, due to the tight fitting structure using the above-described engaging projection 24, the pressing of the inner side edge portion 24c with respect to the engaging groove 16 becomes effective, and the engaging portion 12 and the horizontal supporting frame 20, So that the assembling of the fastening portion 12 and the horizontal support frame 20 can be completed without bolting.

Therefore, even if the width tolerance of the fastening portion 12 and the horizontal support frame 20 and / or the height tolerance of the fastening portion 12 and the horizontal support frame 20, the assembly projections 15, The engagement structure of the engagement grooves 16 and the engagement protrusions 24 minimizes the occurrence of wobbling of the horizontal support frame 20 with respect to the fastening portions 12 in accordance with the assembled structure to minimize the workability and safety of the access floor Can be improved.

In addition, the present invention having the above-described structure can be applied to a case where the fastening portion 12 is inserted into the insertion portion 21A and the fastening portion 12 and the horizontal support frame 20 are coupled to each other, The contact surfaces of the inclined portions 13a and 21a and the vertical reinforcement ends 14 and 22 that are interposed in a 'W' shape complement each other in left and right or upward and downward movements, Not only the strength of the fastening portion 12 and the horizontal support frame 20 themselves is improved, but also the horizontal support frame 20 is prevented from shaking.

In other words, in a conventional pedestal, a horizontal support frame having a 'C' -shaped folding structure is fitted and coupled on a flat-shaped fastening portion having a flat top surface. If there is a lateral width or a vertical height tolerance of the fastening portion and the horizontal support frame, Due to the tolerance, the horizontal support frame shakes before bolt coupling,

The present invention is characterized in that the coupling structure of the assembly projections 15 and the assembly holes 23 and the engagement grooves 16 and the locking projections 24 and the coupling structure of the fastening portions 12 and the horizontal support frames 20 And the horizontal support frame 20 are held in mutual engagement with each other in a manner that the engagement portion 12 and the horizontal support frame 20 are engaged with each other, The shaking of the horizontal support frame 20 can be minimized.

(Delete ideas)

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, The present invention is not limited thereto.

P: Panel
10: Head 11: Body
11A: receiving portion 11a: through hole
12: fastening portion 13: first concave portion
13a: first inclined portion 14: first vertical reinforcing end
15: Assembly projections 16:
20: horizontal support frame 21: second recess
21A: insertion portion 21a: second inclined portion
22: second vertical reinforcing end 22A:
23: assembly hole 24:
24a: Long side portion 24b: Short side portion
24c:
30: vertical support 40: pedestal

Claims (4)

A head 10 having a body 11 connected to the vertical support 30 and a coupling part 12 protruding outwardly from the body 11; And
And a horizontal support frame (20) coupled to the coupling part (12)

The fastening portion 12 and the horizontal support frame 20 each include vertical reinforcing ends 14 and 22 vertically connected at both ends thereof,
The fastening part 12 includes an assembling protrusion 15 protruded upward from the upper surface and an engaging groove 16 recessed inward from the outer surface of the first vertical reinforcing end 14 with the upper and lower ends thereof opened and,
The horizontal support frame 20 includes a stitching hole 23 formed so as to penetrate the assembling protrusion 15 and a protrusion 23 protruding inwardly from the inside of the second vertical stiffening end 22 to be inserted into the engaging groove 16 (24)

The second vertical reinforcing end 22 has a penetrating portion 22A formed to penetrate a portion of both sides of the corresponding position of the engaging groove 16 and has a second vertical reinforcing end 22A between the two penetrating portions 22A 22 are partly bent inward to form the locking protrusion 24,

The locking protrusion 24 has an upper side long side portion 24a formed at the same height as the first vertical reinforcing end 14, And a lower short side portion 24b formed at a lower height than the first vertical reinforcing end 14. The long side portion 24a and the short side portion 24b protrude inwardly from each other,

The left-right width w1 of the angled inner edge portion 24c has a correlation of w1 and w2 of the lateral width w2 of the engaging groove 16,
The protruding height v1 of the angled inner edge portion 24c is formed so as to have a correlation with the depth v2 of the engaging groove 16 and v1 > v2,
The inner edge portion 24c returns to the inner side due to the elastic restoring force of the locking projection 24 after the inner edge portion 24c is pressed against the outer side and the inner edge portion 24c is engaged with the engagement groove 16, And both outer side surfaces of the upper long side portion 24a are engaged with both inner side surfaces of the engaging groove 16 while being pressed against the lower end of the engaging groove 16. [
delete delete The method according to claim 1,
Characterized in that the fastening part (12) and the horizontal support frame (20) comprise at least one 'V' -shaped concave part formed by folding downward a part of the upper surface in correspondence with each other.

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