KR101313534B1

KR101313534B1 - Height adjustable frame and furniture comprising the same

Info

Publication number: KR101313534B1
Application number: KR1020130019954A
Authority: KR
Inventors: 하태선; 박광호
Original assignee: 주식회사 쏘피체
Priority date: 2013-02-25
Filing date: 2013-02-25
Publication date: 2013-10-01

Abstract

PURPOSE: A frame with a high controlling function and furniture with the same frame are provided to reduce the movement of an upper frame and a lower frame for easily controlling height. CONSTITUTION: A frame for furniture comprises the first frame (110), the second frame (120), a connecting member (130), a bolt (134) and a guide protruding part. The first frame is comprised of a pipe typed member and the first connecting holes (111) which are on several places which are located from the end part. The second frame is comprised of a pipe typed member which is capable of being inserted to the first frame and the second connecting hole (121) which corresponds to the first connecting holes and is manufactured in a way the second connecting hole is protruding from the end. The connecting member comprises the first frame supporting part (131) which surrounds the outside of the first frame and the second frame supporting part (132) which surrounds the outside of the second frame and a connecting member covering part (133) which is extended from the second frame supporting part and covers the protruding part of the second connecting hole. The bolt is fixed by passing through the connecting member covering hole, the covering part, the second connecting hole and the first connecting hole in order. The guide protruding part corresponds to the hole of the guide protruding part by being formed in a guide hole in the second frame and the inside surface of the second frame supporting part.

Description

Height-adjustable furniture frame and furniture including it {HEIGHT ADJUSTABLE FRAME AND FURNITURE COMPRISING THE SAME}

The present invention relates to furniture such as a desk or a stool, and more particularly, to a furniture such as a desk or a stool having a frame that can be height-adjustable.

Furniture such as a desk or a stool should fit the user's physique. Households that don't fit will result in incorrect posture, and can cause a variety of musculoskeletal disorders if you study or work for a long time in the wrong posture.

In particular, in the case of a study desk, a stool, or an integrated bookshelf used by adolescents of growing age, such as elementary or secondary schools, users with various physiques are used, and thus a function of adjusting the height according to the user's physique is required. The same applies to desks and benches as well as practice tables used in schools.

To adjust the height of the furniture, divide the leg frame of the furniture into the upper frame and the lower frame, adjust the height of the entire leg frame by adjusting the depth to insert any one of them into the other frame, and use the pin or bolt The structure which fixes a frame to each other is used. In this case, the shaking of the furniture is likely to occur due to the play between the frame inserted inwardly and the outer frame surrounding it. On the other hand, deformation is likely to occur in the frame during the processing of holes for fitting fasteners such as pins or bolts, and this deformation also causes an obstacle in the insertion process for height adjustment. In addition, in the case of using a circular pipe member as a leg frame, it is often difficult to align the position of a hole for fitting a fastener such as a pin or bolt.

The present invention has been proposed to solve the above problems, and has a structure for adjusting the height of the entire leg frame by adjusting the depth of dividing the furniture leg frame into the upper frame and the lower frame and insert any one of them into the other frame. In the furniture frame, the purpose is to reduce the shaking caused by the play of the upper frame and the lower frame, to present a structure that can be easily and smoothly height adjustment work.

According to the present invention, a height adjustable furniture frame includes a first frame having a plurality of first fastening holes formed at various positions on the same line having a hollow tubular member and having different distances from ends; A second fastening made of a hollow tubular member having a size into which the first frame can be inserted therein, and burringed to protrude outward at a position corresponding to the plurality of first fastening holes and proximate an end thereof; A second frame having a ball; A first frame support part disposed at a portion where the first frame and the second frame meet each other, and including a first frame support part surrounding an outer circumferential surface of the first frame and a second frame support part surrounding the outer circumferential surface of the second frame and the second frame support part. A connection member extending to cover the protruding portion of the second fastening hole and having a fastening cover part to expose the hole; And a bolt fastened through the fastening hole cover part of the connection member, the second fastening hole, and the first fastening hole sequentially.

On the other hand, the furniture frame according to the present invention is fitted to the end of the first frame is in close contact with the inner circumferential surface of the second frame further comprises a anti-shake cap to prevent the first frame from shaking inside the second frame Can be. A guide groove formed at an end of the second frame and a guide protrusion formed on an inner circumferential surface of the second frame support part may correspond to the shape of the guide groove. The guide protrusion may be divided into two or more parts corresponding to a portion of the guide groove, respectively, to protrude.

The plurality of first fastening holes may be burringed to protrude into the hollow tubular member.

Furniture comprising a height-adjustable furniture frame according to the present invention comprises a first frame having a plurality of first fastening holes made of hollow tubular members, formed in various positions on the same line with a different distance from the end; A second fastening made of a hollow tubular member having a size into which the first frame can be inserted therein, and burringed to protrude outward at a position corresponding to the plurality of first fastening holes and proximate an end thereof; A second frame having a ball; A first frame support part disposed at a portion where the first frame and the second frame meet each other, and including a first frame support part surrounding an outer circumferential surface of the first frame and a second frame support part surrounding the outer circumferential surface of the second frame and the second frame support part. A connection member extending to cover the protruding portion of the second fastening hole and having a fastening cover part to expose the hole; A bolt fastened through the fastening hole cover part of the connection member, the second fastening hole, and the first fastening hole sequentially; An upper body connected to the first frame; And a lower body connected to the second frame and supporting a load of the upper body.

According to the present invention, in the furniture frame having a structure that adjusts the height of the entire leg frame by adjusting the depth of dividing the furniture leg frame into the upper frame and the lower frame any one of them to the other frame, the upper frame and the lower frame There is an effect of reducing the shaking caused by the play of the frame, the height adjustment can be made easily and smoothly.

1 is a side view showing a desk and a stool according to an embodiment of the present invention.
FIG. 2 is an enlarged cross-sectional view of the area A of FIG. 1.
3 is a perspective view including a cross section of the area A of FIG. 1.
4 is a perspective view illustrating region A of FIG. 1.
Figure 5 is a perspective view showing a coupling form of the second frame and the connecting member in one embodiment of the present invention.
6 is a cross-sectional view illustrating an embodiment in which the first fastening holes are modified in FIG. 2.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The technical idea of the present invention can be clearly understood through the examples. In addition, it will be apparent to those skilled in the art that the present invention is not limited to the embodiments described below but may be modified in various forms within the scope of the technical idea of the present invention. will be.

1 is a side view showing a desk and a stool according to an embodiment of the present invention. The height-adjustable furniture frame according to the present invention can be applied to a desk, a stool, a table, and the like, and this embodiment is an example applied to a student desk and a stool as an example. Student desk stool 100 according to the present embodiment is provided with a height adjusting unit 101 for adjusting the height of the frame supporting the desk and a height adjusting unit 102 for adjusting the height of the frame supporting the bench. It is configured to adjust the height individually.

Since the two height adjusting units 101 and 102 differ only in their positions, the structures thereof are the same. Hereinafter, only the height adjusting unit 101 for adjusting the height of the desk will be described. The frame supporting the desk consists of the first frame 110 of the upper portion of the height adjusting unit 101 and the second frame 120 of the lower portion of the height adjusting unit 101, the first frame 110 in the height adjusting unit 101 ) Is inserted into the second frame 120, the height of the desk is adjusted according to the inserted depth. In the drawings, the first and second frames 110 and 120 of the portion including the area A are cut and illustrated for clarity.

2 is an enlarged cross-sectional view of the section A of FIG. 1, FIG. 3 is a perspective view including a section of the A region of FIG. 1, and FIG. 4 is a perspective view of the A region of FIG. 1. The first frame 110 and the second frame 120 are made of a hollow tubular member. The first frame 110 has a size that can be inserted into the hollow portion of the second frame 120. The hollow tubular member constituting the first and second frames 110 and 120 may be a pipe having a circular cross section or a rectangular tube having a polygonal cross section. Here, the first frame 110 is connected to the upper body of the height adjuster 101, the second frame 120 is connected to the lower body, but the position of the upper and lower may be changed.

The first frame 110 is formed with a plurality of first fastening holes 111 are burring (burring) so as to protrude inwardly at various positions having different distances from the end where the anti-shake cap 120 is fitted. The plurality of first fastening holes 111 are arranged in a line on the same line. Burring processing is a type of press working, but forms a hole, the processing method to form a flange (flanging) protruding to one side of the periphery of the hole. Female threads may be formed in the first fastening hole 111 through tab processing.

The second frame 120 is formed with a second fastening hole 121 which is burring to correspond to the plurality of first fastening holes 111 and protrudes outward at a position adjacent to an end thereof. Female threads may be formed in the second fastening hole 121 through tab processing. Here, the flange portion (protrusion formed by the burring process) of the first fastening hole 111 protrudes inward of the first frame 110, and the flange portion of the second fastening hole 121 is the second frame 120. Since it protrudes outward, the first frame 110 does not interfere with each other when inserted into the second frame 120. In addition, the flange portion of the first fastening hole 111 and the second fastening hole 121 is a bolt due to the concentration of the load by increasing the area transferred to the bolt 134 the load carried on the first frame 110 It is advantageous to prevent the damage of 134 and the like.

A connection member 130 is installed at a portion where the first frame 110 and the second frame 120 meet, that is, at an end of the second frame 120. The connecting member 130 may include a first frame support part 131 and a second frame 120 that surround a portion adjacent to a portion inserted into the second frame 120 of the outer circumferential surface of the first frame 110. A second frame support part 132 surrounding the outer circumferential surface of the fastening hole cover part 133 extending from the second frame support part 132 to cover the protruding portion of the second fastening hole 121 and exposing the hole; Has

The connection member 130 and the first and second frames 110 and 120 may be fastened with bolts 134. In the state where the hole formed in the fastening hole cover part 133 of the connection member 130 and the position of the second fastening hole 121 are aligned, the first frame 110 is connected to the first of the connection member 130. The bolt 134 after inserting into the second frame 120 through the frame support 131 to match one of the plurality of first fastening holes 111 with the second fastening hole 121. Can be fastened. As a result, the height of the furniture including the height adjustment unit 101 is fixed in a controlled state.

Meanwhile, the anti-shake cap 112 is fitted to an end of the first frame 110, and may be made of a softer material than the first and second frames 110 and 120, such as plastic. In addition, as shown in the drawing, the anti-shake cap 112 may be inserted into a portion of the first frame 110 and a portion of the remaining portion is exposed. In this case, the outer diameter of the exposed portion may be The first frame 110 may be prevented from shaking inside the second frame 120 by having a size that matches the inner diameter of the second frame 120.

Figure 5 is a perspective view showing a coupling form of the second frame and the connecting member in one embodiment of the present invention. A guide groove 125 may be provided at an end portion of the second frame 120 to which the connection member 130 is coupled, a part of which is concave. In addition, a guide protrusion 135 protruding to correspond to the shape of the guide groove 125 is formed on a portion corresponding to the connecting member 130, that is, the inner circumferential surface of the second frame support 132. 130 may be easily coupled to the second frame 120. In addition to facilitating the coupling, the connection member 130 in the coupled state to prevent the second fastening hole 121 is blocked.

Each of the guide protrusions 135 may be divided into two or more portions corresponding to a portion of the guide groove 125 to protrude. In the exemplary embodiment shown in the figure, the guide protrusion 135 is divided into two parts. This structure is a structure for preparing a possibility of shrinkage when injection molding the connecting member 130 using synthetic resin.

6 is a cross-sectional view illustrating an embodiment in which the first fastening holes are modified in FIG. 2. As shown in the figure, the first fastening holes 111a may have a hole shape formed by boring. It is a matter of course that the female screw may be formed in the first fastening hole (111a) through a tab process. The remaining portions except for the first fastening hole 111a are the same as those described with reference to FIG. 2.

100: student desk
101, 102: height adjustment unit 110: first frame
111, 111a: first fastening hole 112: anti-shake cap
120: second frame 121: second fastening hole
125: guide groove 130: connecting member
131: first frame support 132: second frame support
133: fastener cover portion 134: bolt
135: guide projection

Claims

A first frame made of a hollow tubular member and having a plurality of first fastening holes formed at various positions on the same line with different distances from the ends;
A second fastening made of a hollow tubular member having a size into which the first frame can be inserted therein, and burringed to protrude outward at a position corresponding to the plurality of first fastening holes and proximate an end thereof; A second frame having a ball;
A first frame support part disposed at a portion where the first frame and the second frame meet each other, and including a first frame support part surrounding an outer circumferential surface of the first frame and a second frame support part surrounding the outer circumferential surface of the second frame and the second frame support part. A connection member extending to cover the protruding portion of the second fastening hole and having a fastening cover part to expose the hole;
A bolt fastened through the fastening hole cover part of the connection member, the second fastening hole, and the first fastening hole sequentially; And
And a guide groove formed at an end of the second frame and a guide protrusion formed on an inner circumferential surface of the second frame support part to correspond to the shape of the guide groove.

The method according to claim 1,
The frame for furniture, characterized in that it is fitted to the end of the first frame is in close contact with the inner circumferential surface of the second frame to prevent the first frame from shaking inside the second frame.

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The method according to claim 1,
The guide protrusion is characterized in that each of the two or more parts corresponding to a portion of the guide groove is projected, furniture frame.

The method according to claim 1,
And the plurality of first fastening holes are burringed to protrude into the hollow tubular member.

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