KR20230000694A - Height adjusting device of shelf for furniture - Google Patents

Abstract

Disclosed is a height adjusting device of a shelf for furniture, which can easily and vertically adjust the height of a shelf installed on a vertical frame of system furniture or prefabricated furniture simply by operating only one adjustment bolt for the vertical frame. According to the present invention, the height adjusting device of a shelf for furniture comprises: a vertical frame having stopping grooves formed on both sides thereof in a longitudinal direction; a support frame on which a shelf is supported; a fixing block inserted into the stopping grooves to be moved in the longitudinal direction of the vertical frame; and an adjusting device having an adjustment bolt fastened to the fixing block through the support frame to adjust the height of the shelf. The fixing block includes: a stopping part formed in the same shape as the stopping grooves to be inserted into the stopping grooves to be moved in the longitudinal direction of the vertical frame; a coupling part protruding from the front part of the stopping part to protrude toward the entrance while the stopping part is inserted into the stopping grooves; an upper fastening hole and a lower fastening hole formed on an upper area and a lower area of the front surface of the coupling part to fasten a first and a second adjustment bolt passing through an upper and a lower penetration hole of the support frame; and a spacing protrusion protruding around the upper fastening hole to come in contact with one surface of the support frame to separate one surface of the support frame and a side of the vertical frame from each other even if the first adjustment bolt is fastened to the upper fastening hole through the upper penetration hole.

Description

Furniture shelf height adjustment device {HEIGHT ADJUSTING DEVICE OF SHELF FOR FURNITURE}

The present invention relates to a device for adjusting the height of a shelf for furniture, and more particularly, to easily adjust the height of a shelf installed on a vertical frame of system furniture or prefabricated furniture simply by operating one adjusting bolt with respect to the vertical frame. It relates to a device for adjusting the height of a shelf for furniture that can be adjusted in an appropriate way.

In general, a dressing room is provided to store and store accessories, including clothing, in the interior of a home. In such a dressing room, system furniture has been used for a long time. .

This system furniture has a function that can be produced in various ways according to the intention and taste of the user while allowing the space to be used more efficiently. After arranging, a shelf or a bar for hangers is installed between each post, and a drawer is provided in the lower space between the posts.

The shelf installed between each support of the system furniture can be moved up and down by the height adjusting device and fixed at a set position, so that the shelf can be fixed at various heights.

In system furniture, the shelf height adjusting device is an important component for storing small items of various sizes by adjusting the height of the shelf.

As a prior art of a shelf height adjusting device for system furniture, Korean Patent Registration No. 10-2077531 (published date: 2020.02.17) discloses a shelf coupling structure capable of height adjustment. As shown in FIG. 1, in the height-adjustable shelf coupling structure, the first and second couplers 40 and 50 are inserted and installed into the fastening groove 11 formed in pairs in the vertical frame 10, and the shelf The first and second couplers in which the first and second screws 60 and 70 penetrating the support frame 30 on which the part 20 is seated and the central finishing member 34 are located inside the fastening groove 11 (40,50) has a structure that is fastened and coupled. When the first and second screws 60 and 70 are tightened, the height of the shelf part 20 is fixed, and when the first and second screws 60 and 70 are loosened, the shelf part 20 is fixed. The height of the portion 20 can be adjusted upward or downward.

However, the height-adjustable shelf coupling structure according to the prior art had the inconvenience of loosening or tightening both first and second screws in order to adjust the height of the shelf unit.

. Republic of Korea Patent Registration No. 10-2077531 (Announcement date: 2020.02.17)

An object of the present invention is to provide means for easily adjusting the height of a shelf installed on a vertical frame of system furniture or prefabricated furniture up and down by operating only one adjusting bolt with respect to the vertical frame.

In addition, the problem to be solved by the present invention is not limited to the above-mentioned technical problems, and other technical problems not mentioned above will be clear to those skilled in the art from the description below. You will be able to understand.

According to the present invention, a vertical frame having catching grooves formed on both sides in the longitudinal direction, a support frame supporting shelves, a fixing block inserted into the catching groove to be movable along the catching groove, and , a height adjusting device having an adjusting bolt fastened to the fixing block through the support frame to adjust the height of the shelf, wherein the fixing block is inserted into the locking groove to adjust the longitudinal direction of the vertical frame. A locking portion formed in the same shape as the locking groove so as to be movable along; a coupling portion that protrudes from the front of the catching portion and is exposed toward the entrance of the catching groove in a state where the catching portion is inserted into the catching groove; an upper fastening hole and a lower fastening hole formed in an upper region and a lower region of the front surface of the coupling part to fasten the first and second adjustment bolts passing through the upper and lower through holes of the support frame, respectively; And even when the first adjustment bolt is fastened to the upper fastening hole through the upper through hole, it protrudes from the periphery of the upper fastening hole so that one surface of the support frame and the side surface of the vertical frame are spaced apart from one surface of the support frame. It is configured to include a gap maintaining protrusion in contact with, and since the spaced state is maintained between one surface of the support frame and the side surface of the vertical frame by the gap maintaining projection, the second adjusting bolt is passed through the lower through hole. The height adjusting device of the shelf for furniture, characterized in that the height of the shelf is adjusted by adjusting the position of the fixing block by bringing the catching part into close contact with or separating it from the inner surface of the catching groove only by tightening or loosening the lower fastening hole. is achieved by

The locking groove is formed in a shape gradually narrowing toward the entrance from the inside, and internal inclined locking surfaces are formed on both sides of the inside, and side inclined locking surfaces corresponding to the internal inclined locking surface are formed on both sides of the locking part, respectively. can be formed

In the lower regions of both sides of the engaging portion and the coupling portion, fixing protrusions for adhering to the inner inclined engaging surfaces when both side inclined engaging surfaces adhere to the inner inclined engaging surfaces as the second adjusting bolt is tightened are successively formed. It protrudes, and the fixing protrusions may protrude more than both sides of an upper region of the engaging portion and the coupling portion.

An end of the locking protrusion may be formed sharp so as to dig into the inner inclined locking surface.

On both sides of the rear surface of the vertical frame, support wings for supporting the vertical surface of the rear end of the support frame in close contact may be formed protrudingly.

According to the present invention, since the space holding protrusion is formed around the upper fastening hole formed on the front upper part of the fixing block, the lower fastening hole in a state in which the first adjusting bolt is fastened to the upper fastening hole through the upper through hole of the support frame The position of the fixing block can be fixed or moved only by tightening or loosening the second adjusting bolt fastened thereto, thereby providing an effect of easily and quickly adjusting the height of the shelf.

In addition, when the second adjusting bolt is tightened, the locking protrusions provided on the lower regions of both sides of the locking part and the coupling part dig into the inner inclined locking surface of the locking groove, so that the adjusted position of the fixing block can be firmly maintained. You can do it.

In addition, since the vertical surface of the rear end of the shelf support frame is supported by the wings of the vertical frame, the front end of the support frame does not droop downward.

1 is a cross-sectional view showing a device for adjusting the height of a shelf according to the prior art.
2 is an exploded perspective view illustrating a device for adjusting the height of a shelf for furniture according to the present invention.
FIG. 3 is a perspective view of a combined state of the device for adjusting the height of the shelf for furniture shown in FIG. 2;
4 is a cross-sectional view taken along line AA of FIG. 3 .
5 is a cross-sectional view taken along line BB of FIG. 3 .
6 is a cross-sectional view along line CC of FIG. 3 .
FIG. 7 is a cross-sectional view illustrating an operating state of the height adjusting device for the furniture shelf shown in FIG. 2, and is a front cross-sectional view showing a state in which the height of the fixing block is fixed by the second adjusting screw being fastened to the lower fastening hole.
FIG. 8 is a cross-sectional view for explaining an operating state of the height adjusting device for the furniture shelf shown in FIG. 2, showing a state in which the fixing block is movable in up and down directions when the second adjusting screw is released from the lower fastening hole. It is a cross-sectional view.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, in describing the present invention, descriptions of already known functions or configurations will be omitted to clarify the gist of the present invention.

In this specification, the terms used are for describing the embodiments and are not intended to limit the present invention. In this specification, singular forms also include plural forms unless specifically stated otherwise in a phrase. The terms 'comprises' and/or 'comprising' used in the specification do not exclude the presence or addition of one or more other elements.

In this specification, when an element is referred to as being “connected” to another element, it should be understood that although it may be directly connected to the other element, other elements may exist in the middle. On the other hand, when an element is referred to as being “directly connected” to another element, it should be understood that no intervening elements exist.

In this specification, the terms used are only used to describe specific embodiments, and are not intended to limit the present invention.

In this specification, singular expressions include plural expressions unless the context clearly dictates otherwise.

Among the accompanying drawings, FIG. 2 is an exploded perspective view showing a height adjusting device for a furniture shelf according to the present invention, FIG. 3 is a perspective view showing the height adjusting device for a furniture shelf shown in FIG. 2 in an assembled state, and FIG. It is a cross-sectional view taken along line A-A in FIG. 3 . 5 is a cross-sectional view taken along the line B-B of FIG. 3, and FIG. 6 is a cross-sectional view taken along the line C-C of FIG.

2 to 6, the device for adjusting the height of the shelf 20 for furniture according to the present invention is for arbitrarily adjusting the height of the shelf 20 for furniture 10, and the longitudinal direction is set on both sides 32. A vertical frame 30 having hooking grooves 34 formed along the length of the vertical frame 30, a support frame 40 in which the shelf 20 is supported by connectors, and a vertical frame 30 along the hooking grooves 34 It is configured to include a fixing block 50 inserted into the locking groove 34 so as to be movable, and adjusting bolts 60A and 60B fastened to the fixing block 50 through the support frame 40.

This will be described in more detail.

The furniture 10 may be made of system furniture as shown in FIG. 2 or may be made of prefabricated furniture. In the present embodiment, the description is based on system furniture installed in various combinations such as a dressing room, but is not limited thereto, and may be applied to self-supporting or non-self-supporting system furniture.

The vertical frame 30 is made up of a plurality of pieces to support the shelf 20, the chest of drawers, the hanger rod, and the like, and each of the hooking grooves 34 is formed on both side surfaces 32 along the longitudinal direction. The locking groove 34 is formed in a shape gradually narrowing toward the inlet 31 from the inside, and internal inclined locking surfaces 36 inclined toward the inlet 31 are formed on both sides of the inside. Internally inclined locking surfaces 36 are formed on both sides of the locking groove 34 to be inclined toward the inlet 31, so the locking groove 34 has an inverted trapezoidal shape relative to the plane. The inlet 31 of the locking groove 34 has a distance equal to the thickness of the coupling portion 54 so that the coupling portion 54 of the fixing block 40 is exposed to the outside (front-facing the support frame). The structure of the locking groove 34 is to allow the locking portion 52 of the fixing block 50 to come into closer contact as the adjusting bolts 60A and 60B are tightened.

The support frame 40 is supported by the connectors on the shelf 20, and is coupled to both sides of the shelf 20, respectively. As shown in FIG. 2 , a support portion 41 wider than the front portion is formed in the rear region of the support frame 40 . An upper through hole 42A and a lower through hole 42B through which the first and second adjusting bolts 60A and 60B pass are formed on the upper and lower portions of the support part 41 at a distance from each other, respectively. Since the upper and lower through-holes 42A and 42B are formed at a distance from each other in the support part 41, even if a vertical load is applied to the front part, it can be firmly supported.

On the other hand, on both sides of the rear surface 37 of the vertical frame 30, support wings 38 for supporting the vertical surface 43 of the rear end of the support frame 40 in close contact are protrudingly formed. Since the vertical surface 43 of the rear end of the support frame 40 can be supported in close contact with the support wing 38, even if a vertical load is applied to the support frame 40 having a cantilever structure, the front end can be prevented from sagging downward. can

The fixing block 50 is inserted into the locking groove 34 of the vertical frame 30 in the longitudinal direction of the vertical frame 30 and moves in the up and down directions, and the first and second adjusting bolts 60A and 60B It is for supporting the support frame 40 when they are fastened.

The fixing block 50 has a trapezoid shape with a wide rear side (-X axis direction) and a narrow front side (+ axis direction) so as to be inserted into the locking groove 34 and move along the longitudinal direction of the vertical frame 30. The locking portion 52 formed of and protruding from the front portion of the locking portion 52 (in the X-axis direction with reference to FIG. 2), the inlet 31 ) and the upper and lower through-holes 44A and 44B of the support frame 40 in the upper and lower areas A1 and A2 of the front surface of the coupling portion 54 protruding toward the coupling portion 54. The upper fastening hole 56A and the lower fastening hole 56B formed to fasten the 1 and 2 adjusting bolts 60A and 60B, respectively, and the first adjusting bolt 60A pass through the upper through hole 44A to the upper fastening hole Even if it is fastened to 56A, it protrudes from the periphery of the upper fastening hole 56A so that one surface of the support frame 40 (47: the surface facing the side of the vertical frame) and the side surface 32 of the vertical frame 30 are spaced apart. It is formed and includes a gap holding protrusion 58 in contact with one surface 47 of the support frame 40. In this case, an intermediate fastening hole may be additionally formed between the upper fastening hole 56A and the lower fastening hole 56B. An additional adjustment bolt is fastened to this intermediate fastening hole to make the coupling between the fixing block 50 and the support frame 40 more robust.

The engaging portion 52 has side inclined engaging surfaces 52A inclined toward the engaging portion 54 from both rear sides so as to correspond to the inner inclined engaging surfaces 36 formed on both sides of the inner portion of the engaging groove 34 on both sides. each is formed.

The engaging portion 54 has a structure protruding forward a predetermined distance from both side inclined engaging surfaces 52A of the engaging portion 52 . The distance of this coupling 54 may be equal to the depth of the inlet 31 .

The spacing maintaining protrusion 58 is formed to protrude annularly from the periphery of the upper fastening hole 56A, and the spacing maintaining protrusion 58 has the first adjusting bolt 60A through the upper through hole 44A. Even if it is fastened to the fastening hole 56A, one surface 47 of the support frame 40 is not in close contact with the side surface 32 of the vertical frame 30, and is fixed to the support frame 40 by the first adjusting bolt 60A Even when the block 50 is coupled, it serves to allow the fixing block 50 to move up and down along the locking groove 34.

In the lower area A3 on both sides of the cut-out hooking part 52 and coupling part 54, both side inclined hooking surfaces 52A are formed by tightening the second adjusting bolt 60B, and the inner inclined hooking surface 36 ) When in close contact with the inner inclined locking surface 36, fixing protrusions 59 for penetrating in close contact with each other are formed in succession. The fixing protrusions 59 protrude more than both sides of the upper regions of the engaging portion 52 and the coupling portion 54 . And, the ends of the locking protrusions 59 are formed sharp so as to dig into the inner inclined locking surface 36 . In this way, when the second tightening bolt 60B is tightened by forming the hooking protrusions 59 with sharp ends in succession in the lower area A3 on both sides of the hooking part 52 and the coupling part 54, each hooking protrusion on both sides ( 59) are fixed by digging into the inner inclined locking surface 36, so that the fixing block 50 can maintain a more firmly coupled state with the vertical frame 30.

The operation of the present invention according to the present invention configured as described above will be described.

As shown in FIG. 7, in order to adjust the height of the support frame 40 on which the shelf 20 is supported, when the tightening state is released by unscrewing the second adjusting bolt 60B, the fixing protrusion of the fixing block 50 ( 59) are spaced apart from the inner inclined locking surface 36 to generate a gap between one surface 47 of the support frame 40 and the side surface 32 of the vertical frame 30, especially by the space retaining protrusion 58 Since a gap T is generated between one surface 47 of the support frame 40 and the side surface 32 of the vertical frame 30, the fixed block 50 and the support frame 40 can freely move upwards or downwards. will do

In this way, even when the first adjusting bolt 60A is fastened to the upper fastening hole 56A and the upper region of the fixing block 50 and the upper region of the support frame 40 are closely coupled, the gap maintaining protrusion 58 As a result, a gap T is formed between the side surface 32 of the vertical frame 30 and one surface 47 of the support frame 40 to maintain a non-adherent state, even if only the second adjusting bolt 60B is loosened. The fixed block 50 can be moved upwards and downwards. That is, since a gap T is formed between the side surface 32 of the vertical frame 30 and one surface 47 of the support frame 40 by the space maintaining protrusion 58, only one second adjusting bolt 60B is used. When the fixing block 50 is separated from the inner inclined locking surface 36 of the locking groove 34 by releasing it, the fixing block 50 is free to move up and down.

Subsequently, in order to fix the position of the support frame 40 whose height is adjusted, the second adjustment bolt 60B fastened to the lower fastening hole 56B is tightened.

When the second adjusting bolt 60B is tightened, the front surface of the coupling part 54 is in close contact with one surface 47 of the support frame 40, and both fixing protrusions 59 are formed on both sides of the hanging body 34 It is fixed by digging into the inner inclined locking surface 36. As such, the fixing protrusions 59 penetrate into the inner inclined locking surface 36 and are fixed so that the fixing block 50 coupled with the support frame 40 and the second adjusting bolt 60B is firmly attached to the locking groove 34. It can be fixed, whereby the position of the height-adjusted shelf 20 can be firmly fixed.

In particular, the inner inclined engaging surface 36 is formed inclined toward the inlet 31 from the inside with respect to the inlet 31, and the side inclined engaging surface 52A inclined toward the engaging portion 54 on both sides of the engaging portion 52. ) are formed, respectively, so that the more the second adjusting bolt 60B is tightened, the side inclined engaging surfaces 52A on both sides are more firmly adhered to and supported by the inner inclined engaging surfaces 36 on both sides.

On the other hand, when the position of the support frame 40 is fixed by tightening the second adjusting bolt 60B, the vertical surface 43 of the rear end of the support frame 40 is supported in close contact with the wings 38 of the vertical frame 30. The support frame 40 can maintain a more rigid horizontal support state.

In the foregoing, although specific embodiments of the present invention have been described and shown, the present invention is not limited to the described embodiments, and it is common knowledge in the art that various modifications and variations can be made without departing from the spirit and scope of the present invention. It is self-evident to those who have Therefore, such modifications or variations should not be individually understood from the technical spirit or viewpoint of the present invention, and modified embodiments should fall within the scope of the claims of the present invention.

10: furniture 20: shelf
30: vertical frame 31: entrance
32: side 34: locking groove
36: inner inclined surface 38: wing
40: support frame 44A: upper through hole
44B: lower through hole 50: fixed block
52: hanging part 54: coupling part
56A: upper fastening hole 56B: lower fastening hole
58: spacing maintaining projection 59: fixed projection
60A: first adjusting bolt 60B: second adjusting bolt

Claims (5)

A vertical frame having locking grooves formed on both sides in the longitudinal direction, a support frame supporting shelves, a fixing block inserted into the locking groove so as to be movable in the longitudinal direction of the vertical frame, and the support frame A height adjusting device having an adjusting bolt fastened to the fixing block to adjust the height of the shelf,
The fixed block,
a locking portion inserted into the locking groove and formed in the same shape as the locking groove so as to be movable along the longitudinal direction of the vertical frame;
a coupling portion that protrudes from the front of the catching portion and is exposed toward the entrance of the catching groove in a state in which the catching portion is inserted into the catching groove;
an upper fastening hole and a lower fastening hole formed in an upper region and a lower region of the front surface of the coupling part to fasten the first and second adjustment bolts passing through the upper and lower through holes of the support frame, respectively; and
Even when the first adjustment bolt is fastened to the upper fastening hole through the upper through hole, it protrudes from the periphery of the upper fastening hole so that one surface of the support frame and the side surface of the vertical frame are spaced apart, It is composed of a gap holding protrusion in contact,
Since one side of the support frame and the side surface of the vertical frame are kept spaced apart by the gap maintaining protrusion, the second adjusting bolt is tightened or loosened to the lower fastening hole through the lower through hole to prevent the locking. It is characterized in that the height of the shelf is adjusted by adjusting the position of the fixing block by bringing the part in close contact with or spaced apart from the inner surface of the locking groove.
Height adjuster for furniture shelves. According to claim 1,
The locking groove is formed in a shape gradually narrowing toward the inlet from the inside, and internal inclined locking surfaces inclined toward the inlet are formed on both sides of the inside, respectively,
Characterized in that the engaging portion has side inclined engaging surfaces corresponding to the internal inclined engaging surfaces formed on both side surfaces, respectively.
Height adjustment device for furniture shelves. According to claim 2,
In the lower regions of both sides of the engaging portion and the coupling portion,
As the second adjusting bolt is tightened, fixing protrusions for being in close contact with the inner inclined engaging surface are formed successively when both side inclined engaging surfaces are in close contact with the inner inclined engaging surface, and the fixing protrusions are formed in succession to the engaging protrusions and the engaging part. Characterized in that it protrudes more than both sides of the upper region of the coupling part,
Height adjustment device for furniture shelves. According to claim 3,
The end of the stumbling block,
Characterized in that it is formed pointedly so as to dig into the inner inclined engaging surface,
Height adjustment device for furniture shelves. According to claim 1,
On both sides of the back of the vertical frame,
Characterized in that the support wing for being supported by being in close contact with the vertical surface of the rear end of the support frame is formed protruding,
Height adjustment device for furniture shelves.

Images