KR102195469B1 - Leveler of table leg - Google Patents

Abstract

The present invention is to provide a leveler in which the male screw for performing the height adjustment operation is not exposed to the outside.
To this end, in the present invention, a fixed portion is inserted and fixed to the table leg, but has a predetermined height and width in the lower portion and an open receiving groove is formed, and a through hole communicating with the receiving groove is formed in the center of the upper surface, and the through hole of the fixed portion A female screw that is inserted and fixed so as not to rotate inside, an insertion protrusion inserted into the receiving groove of the fixing part is formed at the top, a support part having a support in contact with the bottom surface at the bottom, and a direction in which the support part is rotated by being fixed at the center of the upper surface of the support The fixing part and the female screw are simultaneously raised and lowered according to the through hole of the fixing part, but it is inserted into the receiving groove of the fixing part without being rotated by being covered with the male screw and the insertion protrusion of the support part, which is fastened with the female screw through the through hole of the fixing part, Disclosed is a leveler for a table leg including a blocking cap that prevents an external thread from being exposed through a gap with a support part according to the elevation of the fixing part.

Description

Leveler for table legs {LEVELER OF TABLE LEG}

The present invention relates to a leveler mounted on a table leg, and more particularly, the height adjustment for leveling the table is smoothly and stably performed, and the male screw operating to adjust the height is not exposed to the outside. It relates to a leveler that can improve the appearance.

In general, a leveler is mounted on the legs of various tables, such as a desk or a table, to be supported in a state spaced apart from the floor by a predetermined interval for height adjustment for leveling and convenience of installation.

These levelers usually use a structure that adjusts the height by turning left and right by screwing, so that the level can be easily adjusted when installing the table, and the user can arbitrarily change the installation height of the table as much as desired. The convenience of can be secured.

1 shows a leveler for a table leg according to the prior art, which is a female threaded groove 102 formed in the longitudinal direction at the end of the leg 100 and a threaded portion screwed to the female threaded groove 102 and having a predetermined length It consists of (112) and an adjustment bolt (110) formed at the end of the screw portion (112) and having a head portion (114) that is held and turned by the user.

Accordingly, the leg 100 is raised and lowered according to the operation of the user turning the adjustment bolt 110, so that the installation height and level of the table can be easily adjusted.

However, the leveler according to the prior art, as the leg 100 is relatively lifted when the head 114 of the adjusting bolt 110 is rotated, and the leg 100 is increased by the increased range due to the structural characteristic of varying the height of the table. Since the screw portion 112 of the adjustment bolt is exposed, it is not visually pleasing, and foreign substances such as dust adhere to the screw portion 112, thereby reducing durability.

In addition, since the head portion 114 of the adjustment bolt 110 rotates in contact with the floor surface to raise and lower the leg 100, it is very difficult and inconvenient to rotate for height adjustment.

The background technology or the prior art described herein is information possessed by the present inventors or acquired in the process of deriving the present invention, and is only intended to help understand the technical significance of the present invention. It is stated that it does not mean a well-known technology in the field.

KR 20-2011-0004499 U(2011.05.06) KR 20-0441045 Y1(2008.07.11) KR 10-0586895 B1(2006.05.29) KR 20-0351610 Y1(2004.05.17)

Accordingly, the inventors of the present invention comprehensively consider the above-described matters and, with the idea of solving the limitations and problems of the existing leveler for table legs, the operation for height adjustment is made smoothly and stably. As a result of endless research efforts to develop a new leveler for table legs with a new structure that can be easily adjusted and adjusted, and also prevents the external exposure of the externally operated external screw. As a result, the present invention was created and completed.

Accordingly, the technical problem and object to be solved by the present invention is to provide a leveler for a table leg that prevents external exposure of an externally operated male screw for height adjustment.

In addition, another technical problem and an object to be solved by the present invention is to provide a leveler for a table leg that enables smooth and stable operation and operation for height adjustment.

Herein, the technical problems and objects to be solved by the present invention are not limited to the technical problems and objects mentioned above, and other technical problems and objects not mentioned will be clearly understood by those skilled in the art from the following description.

Specific means according to an embodiment of the present invention for achieving the above-described object and solving the technical problem, but inserted and fixed to the table leg, a receiving groove having a certain height and width in the lower portion is formed, A fixing part in which a through hole communicating with the receiving groove is formed in the center of the upper surface, a female screw inserted and fixed so as not to be rotated in the through hole of the fixing part, and an insertion protrusion inserted into the receiving groove of the fixing part at the upper part are formed, and the lower part The support part having a support in contact with the bottom surface is fixed to the center of the upper surface of the support part, and the fixing part and the female screw are simultaneously raised and lowered according to the direction in which the support part is turned, and fastened with the female screw through the through hole of the fixing part. And the male screw exposed to the upper surface of the fixing part and the male screw covered with the insertion protrusion of the support part and inserted into the receiving groove of the fixing part without being rotated, and the external screw is exposed through a gap with the support part according to the elevation of the fixing part. It presents a leveler for a table leg, characterized in that it employs, including a blocking cap to prevent it.

In this way, the present invention can reliably prevent exposure of the external thread of the male screw that operates to adjust the height.

In a preferred embodiment of the present invention, a plurality of hook-type locking protrusions are formed on the outer circumferential surface of the fixing unit to prevent slipping from the table leg, and a plurality of irregularities are formed on the outer circumference of the support of the support unit to prevent slipping. As a result, it can be firmly fixed to the table legs without movement, and the height can be adjusted more quickly and easily.

In a preferred embodiment of the present invention, a guide protrusion is formed on an outer circumferential surface of the insertion protrusion, and a guide groove corresponding to the guide protrusion is formed on an inner circumferential surface of the blocking cap, so that the support part and the blocking cap Not only is it much simpler and easier to combine, it is possible to stably maintain the combined state, and it is also possible to guide the support part to rotate naturally within the blocking cap.

In addition, in a preferred embodiment of the present invention, a support stand in contact with the floor surface while covering a part of the support on all sides of the blocking cap is integrally formed, so that the support part is prevented from contacting the floor surface while being inclined at an angle. It can be more stable and firmly supported.

In an embodiment of the present invention having a means and a configuration for achieving the above object and solving the technical problem, the male screw operating to adjust the height is exposed to the outside because the blocking cap is coupled to the support while surrounding the male screw. This can be prevented, thereby improving the appearance of the table leg, as well as improving the durability and quality.

In addition, the fixing part is raised and lowered while the upper part of the blocking cap is inserted into the receiving groove of the fixing part without being rotated, and the support formed on all sides of the blocking cap covers a part of the support while maintaining a constant contact with the floor. The table can be supported more stably by preventing the part from coming into contact with the floor while it is inclined at an angle, and the rotation operation of the support part for height adjustment can be made more smoothly and stably.

Therefore, it is possible to quickly and easily adjust the horizontal and height of the table, thereby improving workability and convenience during installation.

Here, the effects of the present invention are not limited to the above-mentioned effects, and other effects that are not mentioned will be clearly understood by those skilled in the art from the description of the claims.

1 is a longitudinal sectional view showing a leveler for a table leg according to the prior art.
2 is a perspective view showing a leveler for a table leg according to an embodiment of the present invention.
3 is a longitudinal sectional view showing a leveler for a table leg according to an embodiment of the present invention.
4 is an exploded perspective view showing a leveler for a table leg according to an embodiment of the present invention.
5 is a longitudinal sectional view showing a state in which the leveler for a table leg is raised and operated according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

Prior to this, the terms to be described later are defined in consideration of functions in the present invention, and this should be interpreted as a concept conforming to the technical idea of the present invention and a meaning commonly or commonly recognized in the art.

In addition, when it is determined that a detailed description of known functions or configurations related to the present invention may obscure the subject matter of the present invention, the detailed description thereof will be omitted.

Here, the accompanying drawings are partially exaggerated or simplified for convenience and clarity of explanation and understanding of the configuration and operation of the technology, and it is understood that each component does not exactly correspond to the actual size and shape.

In addition, in the present specification, the term and/or means a combination of a plurality of related items or any item among a plurality of related items, and when a certain part includes a certain element, it is a particularly opposite description. Unless there is no other component is not excluded, it means that other components can be further included.

That is, it means that the features, numbers, steps, actions, components, parts, or combinations of these described in the present specification exist, and one or more other features or numbers, step-action components, parts, or a combination thereof It is to be understood that they do not exclude the possibility of their existence or addition.

In addition, the meaning of the term "sub" refers to a unit or a module that serves as a unit or a module that processes at least one function or a certain operation desired in the invention, which is a device or assembly capable of performing an independent operation. Can be implemented.

In addition, terms such as top, bottom, top, bottom, or top, bottom, top, and bottom are used for convenience to distinguish the relative positions of each component. For example, the upper part on the drawing may be named and referred to as the upper part and the lower part as the lower part.

As shown in Figures 2 to 5, the main configuration of the leveler for a table leg according to an embodiment of the present invention is largely a fixing part 10, a female screw 20, a support part 30, a male screw 40, and a blocking cap. It includes (50).

The fixing part 10 has a certain height and width and is inserted and fixed into the hole of the table leg L, and an accommodation groove 11 having a certain height and width and opening to the lower surface is formed inside, and the upper surface A through hole 12 communicating with the receiving groove 11 is drilled in the central part.

In addition, on the outer circumferential surface of the fixing part 10, it is possible to easily drive it into the hole of the table leg (L), and a hook-type locking protrusion 13 is provided at regular intervals in the vertical direction to prevent it from being easily removed from the locked state. There are many formed.

In addition, the external shape of the fixing part 10 may be appropriately formed in various shapes such as a square cylinder, a polygonal cylinder, an elliptical cylinder, a circular cylinder, etc. according to the shape of the hole of the table leg L.

In addition, the receiving groove 11 of the fixing part 10 is formed in a shape that causes mutual contact interference with the outer circumferential surface of the blocking cap 50 so that the blocking cap 50 is inserted or withdrawn from the inside without rotation. Can be.

For example, the cross-sectional shape of the inner circumferential surface of the receiving groove 11 may be formed in a polygonal shape such as a square or an elliptical shape.

Here, the shape formed by the inner wall surface of the receiving groove 11, that is, the shape of the cross-section when viewed from the top, is preferably formed in a polygonal shape such as a quadrangle so that the blocking cap 50 is not rotated but only elevating, but is not limited thereto. .

On the other hand, the blocking cap 50 is a structure that does not rotate with respect to the fixing part 10 but only lifts and falls, for example, when the receiving groove 11 has a circular cross-sectional shape when viewed from the top, the receiving groove 11 A separate protrusion may be formed on the inner wall of ), and a separate groove may be formed on the outer wall of the blocking cap 50 to correspond thereto.

And it is preferable to form the collar 14 to protrude outward in order not to be completely inserted into the hole of the table leg (L) on the lower edge of the fixing portion (10).

The female screw 20 is inserted and fixed so as not to rotate in the through hole 12 of the fixing part 10 while being screwed with the male screw 40 to raise and lower the fixing part 10 due to the reaction of the rotation of the male screw 40 Has been.

Here, the female screw 20 may be integrally provided with the fixing part 10 by an insert injection molding method in which a nut is inserted into the through hole 12 of the fixing part 10 during the injection molding process of the fixing part 10. .

In addition, the through hole 12 of the fixing part 10 may be formed as a hole having a shape corresponding to the external shape of the female screw 20 so that the female screw 20 does not rotate or fall out.

For example, the female screw 20 may be formed of a hexagonal nut, and the through hole 12 may be formed so that the hexagonal nut is buried and the male screw 40 penetrates.

The support part 30 is to raise and lower the fixing part 10 by turning the male screw 40, and a cylindrical insertion protrusion 31 inserted into the receiving groove 11 of the fixing part 10 is formed at the upper part, A disc-shaped support 32 in contact with the bottom surface is formed in the lower part.

And the outer periphery of the support 32 is formed with a number of irregularities 33 to prevent slipping or spinning when rotating with a finger, and a blocking cap 50 is forcibly inserted on the outer peripheral surface of the insertion protrusion 31 A guide protrusion 34 for guiding the support part 30 to rotate freely within the blocking cap 50 is formed by simply coupling and stably maintaining the coupling state in a customized manner.

In addition, the support 32 is formed to have a diameter or width greater than the diameter or width of the receiving groove 11 and the insertion protrusion 31 in order not to enter the receiving groove 11 of the fixing part. .

Here, the unevenness 33 is a jagged shape or a jagged or dull mark or serration or spline so that it does not spin or slip when rotating while holding the outer peripheral surface of the base 32 with a finger. ), it is preferably formed in one of the polygons.

On the other hand, a sheet made of nylon, polyurethane, etc., which is easily slippery and durable, can be attached to the underside of the support part 30, and this makes it much easier and easier to rotate the male screw 40 for height adjustment. Can be done.

The male screw 40 is to simultaneously lift the fixing part 10 and the female screw 20 according to the direction in which the support part 30 is turned, and screwed with the female screw 20 through the through hole 12 of the fixing part 10 Fastened in a way.

That is, the male screw 40 penetrates the receiving groove 11 and the through hole 12 of the fixing part 10 while being fixed to the center of the upper surface of the insertion protrusion 31 of the support part 30, and is fastened with the female screw 20 and It is formed so that the upper end is exposed to the upper surface of the fixing part 10.

Here, the male screw 40 may be integrally provided with the support part 30 by an insert injection molding method in which a conventional bolt is inserted into the support part 30 during the injection molding process of the support part 30.

The blocking cap 50 is covered with the insertion protrusion 31 of the support part 30 to prevent the male screw 40 from being exposed to the gap with the support part 30 due to the lifting of the fixing part 10, so that it is not rotated. It is formed to be inserted into the receiving groove (11).

That is, the upper part of the blocking cap 50 is inserted without being rotated into the receiving groove 11 of the fixing part, and is folded as if overlapping, or is mounted so as to be unfolded from it.

And a guide groove having a shape corresponding to the guide protrusion 34 of the support part 30 in order to maintain the coupling state with the support part 30 and guide the support part 30 to smoothly rotate on the inner circumferential surface of the blocking cap 50 (51) is formed.

In addition, on all sides of the blocking cap 50, the support part 30 is prevented from contacting the floor while inclined to one side, and at the same time, the support part 30 is smoothly rotated to rapidly elevate the fixing part 10. In order to ensure that, while covering a part of the support 32, a support 52 that stably contacts the bottom surface is integrally formed.

That is, the support 52 has a constant width and width so that the support part 30 stably supports the table leg L and distributes the load of the table transmitted from the male screw 40 evenly on the floor. Is formed.

Here, the blocking cap 50 may be formed in a rectangular cylindrical shape having a hollow in the center so that the insertion protrusion 31 of the support part 30 rotates without interference.

In addition, the blocking cap 50 is formed slightly higher than the height of the receiving groove 11 in order not to be completely inserted into the receiving groove 11 of the fixing unit, or is corresponding to the collar 14 of the support unit outwardly at the bottom edge. It is preferable to form the support chin (53).

The leveler for a table leg according to an embodiment of the present invention configured as described above, as shown in FIG. 5, of the table leg L while the male screw 40 is fastened to the female screw 20 built into the fixing part 10. The fixing part 10 is inserted into the hole, and the table leg L is erected so that the support part 30 can be brought into close contact with the floor surface.

In order to increase the height of the table in this state, if the support 32 of the support part exposed to the outside of the blocking cap 50 is turned in the loosening direction, the male screw 40 and the female screw 20 fastened in a screw connection method are fixed. (10) Since it is not rotated within, and the fixing part 10 is also fixed to the table leg (L), only the male screw 40 rotates, and in this case, the female screw 20 and the male screw 40 are screwed together. And the fixing part 10 and the female screw 20 rise together due to the characteristic that the support part 30 is in close contact with the bottom surface.

At this time, after adjusting the height of the table as desired, when the rotation operation of the male screw 40 is stopped, the fixing part 10 maintains a state raised to a predetermined height with respect to the support part 30.

Subsequently, in order to lower the height of the table, by turning the support part 32 partially exposed to the outside of the blocking cap 50 in the tightening direction, the fixing part 10 and the female screw 20 descend together.

At this time, after adjusting the height of the table as much as desired, when the rotation operation of the male screw 40 is stopped, the fixing part 10 maintains a state lowered to a predetermined height with respect to the support part 30.

In this process, since the blocking cap 50 is coupled to the support 30 so as to surround a part of the male screw 40, it is possible to prevent the male screw 40 from being exposed to the outside.

That is, in a state in which the support part 30 is not in close contact with the floor and is floating in the air, the blocking cap 50 moves up and down simultaneously with the support part 30 and the male screw 40, so naturally between the fixing part 10 and the support part 30 It is possible to cover the male screw 40 by blocking the gap.

In addition, the fixing part 10 is raised and lowered while the upper part of the blocking cap 50 is inserted without being rotated into the receiving groove 11 of the fixing part, and the support 52 covers a part of the base 32 while the floor Since it is a structure that maintains a constant contact with the surface, it is possible to prevent the support part 30 from coming into contact with the floor surface while inclined to one side, thereby supporting the table more stably, and the support part 30 for height adjustment The rotation operation is made more smoothly and stably, so that the fixing part 10 can be raised and lowered more naturally.

In addition, the blocking cap 50 maximizes the contact area with the floor and distributes the load of the table transmitted from the male screw 40 evenly on the floor to maintain a stable installation state.

In this way, the leveler for a table leg according to an embodiment of the present invention improves the appearance of the table leg L by covering the male screw 40 while interlocking with the lifting of the support part 30 according to the height adjustment of the blocking cap 50 It can improve durability and quality by preventing foreign substances from entering the interior as well as shikim.

In addition, the lifting operation for adjusting the height of the table leg (L) is made more smoothly and stably, so that the horizontal and the height of the furniture can be quickly and easily adjusted, thereby improving workability and convenience during installation.

On the other hand, the present invention is not limited by the above-described embodiments and the accompanying drawings, and can be variously modified and applied in various ways not illustrated without departing from the technical spirit of the present invention. It is obvious to those of ordinary skill in the art that substitutions and other equivalent embodiments may be widely applied.

Therefore, the content related to the modification and application of the technical features of the present invention should be interpreted as being included within the spirit and scope of the present invention.

10: fixing part 11: receiving groove
12: through hole 13: stopping protrusion
14: collar 20: female thread
30: support 31: insertion protrusion
32: base 33: irregularities
34: guide protrusion 40: male thread
50: blocking cap 51: guide groove
52: support 53: support chin
L: table leg

Claims (4)

It is inserted and fixed to the table leg (L), but has a certain height and width at the bottom, and a receiving groove 11 opened to the lower surface is formed, and a through hole 12 communicating with the receiving groove 11 is formed at the center of the upper surface. A fixing part 10;
A female screw 20 inserted and fixed so as not to rotate in the through hole 12 of the fixing part 10;
A support part 30 having an insertion protrusion 31 inserted into the receiving groove 11 of the fixing part 10 at an upper part, and a support 32 in contact with the bottom surface at the lower part;
It is fixed to the center of the upper surface of the support part 30 to simultaneously lift the fixing part 10 and the female screw 20 according to the direction in which the support part 30 is rotated, and the through hole 12 of the fixing part 10 A male screw 40 that is fastened to the female screw 20 and exposed to the upper surface of the fixing part 10 through the female screw 20; And
It is covered with the insertion protrusion 31 of the support part 30 and inserted into the receiving groove 11 of the fixing part without being rotated, and the male screw is inserted into the gap with the support part 30 according to the lifting of the fixing part 10. Blocking cap 50 to prevent the 40 from being exposed;
Including,
In order to maintain the coupled state of the support part 30 and the blocking cap 50 and guide the rotation of the support part 30 within the blocking cap 50, the outer circumferential surface of the insertion protrusion 31 A guide protrusion 34 is formed, and a guide groove 51 corresponding to the guide protrusion 34 is formed on an inner circumferential surface of the blocking cap 50, a leveler for a table leg.
delete delete The method of claim 1,
On all sides of the blocking cap 50, a support 52 in contact with the floor while covering a part of the support 32 is formed to prevent the support part 30 from contacting the floor while inclined at an angle, Leveler for table legs.

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