KR20150101797A - Height adjustable desk - Google Patents

Abstract

An invention directed to a height adjustment desk is disclosed. The height adjusting desk includes: an upper plate, a leg portion for supporting the upper plate from the floor, an elevating portion for elevating and lowering the upper plate from the leg portion and an elevating operation portion for operating the elevating portion, And a screw which is engaged with the elevating support portion and the elevating support portion which are fixed to the inside of the leg portion and which is provided in the longitudinal direction of the leg portion and which lifts the support frame by the operation of the elevating operation portion .

Description

Height adjustable desk {HEIGHT ADJUSTABLE DESK}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a height adjusting desk, and more particularly, to a height adjusting desk capable of adjusting a height of a top plate according to a user's physical condition.

Typically, a desk is a piece of furniture used for office work or reading, with a top plate, a leg, and a drawer. From the past, the desk was a pretext for a pedestal, but it was not long ago that it was in the form of a desk for today.

And there is a desk and a western table on the desk. The sitting room is for reading writing for a traditional Korean oven room. Standing is a pair of chairs (or stools), usually a desk (or flat desk), a side sleeve desk, a sleeveless desk, a typing desk, and a computer desk.

Classifications according to materials include wooden desk, iron desk, and wood mixing desk. Functionally, the most important dimension of the desk is the height. In addition, it is reasonable to measure the height of the desk from the seat of the chair.

Although the desk is fixed in height, the user adjusts the height of the chair. However, if the user performs the work in the sitting position for a long period of time, the lower body may be weakened and the waist disk may be caused.

In order to solve the problem of the conventional desk as described above, the height control desk of the present invention is provided with a motor on a straight line with the spindle axis, and adjusts the height of the desk while rotating the spindle axis by forward / reverse rotation of the motor .

On the other hand, a "height adjustable desk" is disclosed in Korean Patent Publication No. 2010-0001413 (2010.01.06.).

It is an object of the present invention to provide a compact structure which can adjust the height of a top plate according to a physical condition of a user and can add a height adjusting function without changing a basic frame, And a height adjustable desk for providing convenience of the height adjustment.

A height adjusting desk according to the present invention includes: a top plate; a leg portion for supporting the top plate from a bottom surface; a lifting portion for lifting the top plate from the leg portion and a lifting operation portion for operating the lifting portion; The elevating portion includes a support frame provided on a bottom surface of the upper plate portion, a lifting support portion fixed to the inside of the leg portion, and a lifting support portion engaged with the lifting support portion. The elevating support portion is provided in the longitudinal direction of the leg portion, And a screw for moving the support frame up and down.

The upper plate portion is provided on the upper portion of the leg portion and includes a top plate for forming a flat space and a receiving portion provided on a bottom surface of the top plate for accommodating an article therein.

In addition, the leg portion includes a receiving portion supported on a bottom surface and a vertical portion rising and standing on the upper surface of the receiving portion.

The support frame may include a support pipe for supporting both sides of the bottom surface of the upper plate, a connection pipe for connecting the support pipe, and a slide tube extending to the lower portion of the support pipe and surrounding the vertical portion .

The elevating and lowering support unit may include a guide pipe that is provided in the leg portion and covers the screw, and a screw cap that is provided at an upper end of the guide pipe and is engaged with the screw.

The elevating operation unit may include a power transmitting unit for transmitting the power applied to the support frame and the power of the power applying unit to the screw.

The power transmitting portion includes a first bevel gear rotated by the power of the power applying portion and a second bevel gear engaged with the first bevel gear and converting rotation of the first bevel gear into rotational motion of the screw .

The first bevel gear and the second bevel gear are received in a gear box and fixed to the inside of the support frame.

Also, the leg portion, the elevating portion, and the power transmitting portion are formed as a pair, and the power transmitting portion is interconnected by the power transmitting bar.

In addition, the power transmission unit may include an operation application change unit to apply the operation of the power application unit in multiple directions.

The operation change unit may include an operation change shaft that is rotatably installed in the gear box and is coupled to the power applying unit, and a control unit that is provided on the operation change shaft and rotates the second bevel gear by rotation of the operation change shaft. 3 bevel gears.

The height adjusting desk according to the present invention has the effect of adjusting the height of the costume plate portion according to the user's physical condition in a simple operation of rotating the power applying portion.

Further, the present invention modularizes the lifting operation part for adjusting the height of the upper plate, and has an effect of easy replacement and maintenance.

Further, according to the present invention, it is possible to perform accurate linear movement by a plurality of guide portions when the upper plate is lifted and lowered, noise can be suppressed during movement, and the performance of the product can be improved.

In addition, the present invention can bind the power applying part to various positions by the operation and change part to elevate and lower the upper plate part, thereby providing ease of use and having no restriction on the position of the desk.

1 is a perspective view of a height adjusting desk according to an embodiment of the present invention.
2 is an exploded perspective view of a height adjusting desk according to an embodiment of the present invention.
3 is a front cross-sectional view of a height adjusting desk according to an embodiment of the present invention.
4 is a side cross-sectional view of a height adjusting desk according to an embodiment of the present invention.
FIG. 5 is a view illustrating an elevation portion of a height adjusting desk according to an embodiment of the present invention.
FIG. 6 is a plan view of a height adjusting desk according to an embodiment of the present invention.
7 is a view showing an elevation operation part and an operation change part of a height adjustment desk according to an embodiment of the present invention.
8 is a cross-sectional view illustrating lifting and lowering operation of a height adjusting desk according to an embodiment of the present invention.
FIG. 9 is a view illustrating an operation of the height changeable desk according to an embodiment of the present invention; FIG.

Hereinafter, an embodiment of a height adjusting desk according to the present invention will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a perspective view of a height adjusting desk according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of a height adjusting desk according to an embodiment of the present invention, FIG. FIG. 4 is a side sectional view of a height adjusting desk according to an embodiment of the present invention, FIG. 5 is a view showing a height adjusting portion of a height adjusting desk according to an embodiment of the present invention, FIG. FIG. 7 is a view illustrating an elevating operation part and an operation applying changing part of a height adjusting desk according to an embodiment of the present invention. FIG. FIG. 9 is a view illustrating an operation of the height adjusting desk according to an exemplary embodiment of the present invention. Referring to FIG.

1 to 9, a height adjusting desk 100 according to an embodiment of the present invention includes an upper plate 110, leg portions 120, a lift portion 130, and a lift operation portion 170 .

The upper plate 110 is provided on the upper portion of the leg portion 120 and includes a top plate 112 forming a flat space and a receiving portion 114 provided on the bottom surface of the top plate 112 for accommodating the inside of the top plate 112 .

The leg portion 120 supports the top plate portion 110 from the bottom surface, and holds the top plate portion 110 at a predetermined height. The leg portion 120 includes a receiving portion 122 supported on the bottom surface and a vertical portion 124 formed on the upper surface of the receiving portion 122 so as to stand upright.

As shown in FIG. 1, the receiving portion 122 is formed in a 'C' shape and contacts the bottom surface, and the vertical portion 124 is formed on both sides of the receiving portion 122 in an upward direction.

As shown in FIGS. 2 to 5, the elevating part 130 is provided in the leg part 120 to elevate the upper plate part 110 from the leg part 120. The elevating part 130 is engaged with the elevating supporting part 150 and the elevating supporting part 150 which are fixed to the inside of the leg part 120 and the supporting frame 140 provided on the bottom surface of the upper plate part 110, And a screw 160 which is provided in the longitudinal direction of the support frame 140 and moves up and down the support frame 140 by the operation of the lift operation part 170.

The support frame 140 includes a support pipe 142 for supporting both sides of the bottom surface of the upper plate 110, a connection pipe 144 for connecting the support pipe 142, And a slide tube 146 surrounding the outside of the slide tube 124. The slide tube 146 may be formed to have a larger circumference than the vertical portion 124 so that the vertical portion 124 may be inserted into the slide tube 146. A first flow preventive member 147 is provided between the slide tube 146 and the vertical portion 124 to prevent the slide tube 146 from flowing and noise during sliding.

The lifting and supporting part 150 is provided inside the leg part 120 and includes a guide pipe 152 covering the screw 160 and a screw cap 160 provided at the upper end of the guide pipe 152 and engaged with the screw 160. [ 154). The guide tube 152 is fixed to the upper portion of the receiving portion 122 and the screw cap 154 is threaded on the inner diameter and engaged with the screw 160. Therefore, when the screw 160 rotates, (160) can be raised and lowered. At this time, a second flow preventive member 162 contacting the inner surface of the guide pipe 152 is provided at the lower end of the screw 160.

The second flow preventive member 162 is made of a synthetic resin material and has a plurality of contact protrusions 163 on the circumferential surface thereof so as to contact the inner surface of the guide pipe 152. This allows the screw 160 to move in a straight line when the screw 160 is lifted, thereby preventing flow and suppressing noise.

The lifting operation unit 170 operates the lifting unit 130 as shown in FIG. 3 or 7 and is configured to operate the power applying unit 172 and the power applying unit 172, To the screw (160). The power applying portion 172 is connected to the power transmitting portion 174 and is formed of an operation handle protruding to the outside of the support frame 140. The operating handle is formed eccentrically from the shaft.

The power transmitting portion 174 is engaged with the first bevel gear 175 and the first bevel gear 175 rotated by the power of the power applying portion 172 to rotate the first bevel gear 175 in the direction of the screw 160 And a second bevel gear 176 that converts the rotational motion of the second bevel gear 176 into a rotational motion. That is, the rotation of the power applying unit 172 is converted into the rotation of the screw 160, and the screw 160 is raised and lowered by the rotated screw cap 154 so that the upper plate 110 is raised and lowered.

The first bevel gear 175 and the second bevel gear 176 are accommodated in the gear box 180 and fixed to the upper ends of the support frame 140 and the screw 160. Since the first and second bevel gears 175 and 176 are provided in the gear box 180, the power transmitting portion 174 can be modularized. At this time, the gear box 180 is shaped like a cube, and the first bevel gear 175 is prevented from being disengaged from the gear box 180 by the engaging piece 182 coupled to one surface of the gear box 180 . This is because the assembly direction of the first bevel gear 175 is not limited so that the assemblability is improved.

The leg portion 120, the elevation portion 130, and the power transmission portion 174 are formed as a pair to support both sides of the upper plate portion 110, respectively. At this time, the power transmission portion 174 is interconnected by the power transmission bar 178. [ That is, the power transmission portions 174 are mutually connected by the power transmission bar 178 and are rotated together by the rotation of the operation handle, which is the power application portion 172. The power transmission bar 178 is received and extends within the coupling tube 144.

On the other hand, the power transmitting portion 174 includes an operation applying changing portion 190 for applying the operation of the power applying portion 172 in multiple directions as shown in Fig. The operation change changing section 190 is rotatably provided in the gear box 180 and is provided on the operation change shaft 192 and the operation change shaft 192 to which the power applying section 172 is coupled, And a third bevel gear 194 for rotating the second bevel gear 176 by rotation of the second bevel gear 176.

The operation change shaft 192 is formed in a direction crossing the axis of the power transmitting portion 174. An operation handle such as a separate power application unit 172 may be mounted on the operation change shaft 192 or a power application unit 172 provided on the power transmission unit 174 may be separately mounted, The upper plate 110 can be mounted in a mounting position, a direction or a direction desired by the user.

Hereinafter, functions and effects of a height adjusting desk according to an embodiment of the present invention will be described.

The upper plate portion 110 is supported by the leg portion 120 to maintain a predetermined height. The upper plate 110 includes a flat upper plate 112 and a receiving portion 114 provided at a lower portion of the upper plate 112. The upper plate 110 is supported by the support frame 140, And the height of the upper plate portion 110 can be adjusted by the elevating operation portion 170. FIG.

The support frame 140 includes a support pipe 142 for supporting both side edges of the upper plate 110, a connection pipe 144 connecting the support pipe 142, and a slide pipe 146, and the slide tube 146 can be lifted and lowered from the vertical portion 124. At this time, since the lifting and supporting portion 150 is not exposed to the outside by the vertical portion 124 and the slide tube 146, it is possible to improve the aesthetics without damaging the appearance.

The lift operation portion 170 is provided with a power transmission portion 172 composed of first and second bevel gears 175 and 176 for transmitting the rotation of the power applying portion 172 and the power applying portion 172, (174). The first and second bevel gears 175 and 176 which are the power transmission portion 174 are accommodated in the gear box 180 and the power transmission portion 174 is modularized by the storage box, It is easy.

The gear box 180 is formed as a cube and the first bevel gear 175 is coupled to one surface of the gear box 180 by the engaging piece 182 to adjust the directionality of the power transmitting portion 174 It has an effect of improving the assemblability because it is not limited.

Since the power transmitting portion 174 provided at one side of the center of the upper plate 110 and the power transmitting portion 174 provided at the other side are provided in the same direction, the screw 160 provided in each of the leg portions 120 And the power transmission parts 174 on both sides are connected to each other by the power transmission bar 178 and interlocked with each other and are provided in the connection pipe 144 and are not exposed to the outside.

Hereinafter, the height adjusting operation of the upper plate 110 will be described. When the user wants to adjust the height of the upper plate 110 to match the physical condition, as shown in FIG. 8, when the power applying part 172 is gripped and rotated, the first bevel gear 175 is rotated, The second bevel gear 176 engaged with the first bevel gear 175 is rotated and the screw 160 is rotated. Since the screw 160 is engaged with the screw cap 154, the screw 160 is lifted from the guide pipe 152 to lift the upper plate 110. 4, the second flow preventing member 162 contacting the inner surface of the guide pipe 152 is provided at the lower end of the screw 160 so that the screw 160 can be lifted and lowered without flowing, It is possible to prevent the noise caused by the flow of the exhaust gas. In particular, a plurality of contact protrusions 163 are provided on the circumferential surface of the second flow preventive member 162 to prevent the flow of the screw 160 while reducing the frictional force, thereby enabling smooth up and down operation.

The lifting and lowering of the upper plate portion 110 is carried out more stably by the slide tube 146 surrounding the vertical portion 124. A first flow preventive member 147 is provided at an end of the slide tube 146 so as to be in contact with the peripheral surface of the vertical portion 124, so that it is possible to accurately ascend and descend without flowing and to prevent noise.

9, there is no restriction on changing the position of the desk 100 in the space by the operation application changing unit 190 as shown in FIG. 9, and the user can change the position of the desk 100 in various directions according to the user's preference, ) Can be performed.

In detail, the position of the power applying unit 172 can be changed in various directions by separating the operation handle as the power applying unit 172 and connecting the operation handle to the operation change shaft 192. The power application unit 172 can be variously changed when the desk 100 is placed on the wall surface in the space or when other items are placed around the desk 100, thereby providing convenience.

As described above, according to the height adjusting desk according to the embodiment of the present invention, the height of the desk can be provided according to the physical conditions of the user by simple operation of turning the operation handle, and the elevating operation unit can be modularized, The noise can be suppressed by the first and second flow preventing members when the height of the upper plate is adjusted, and the performance of the product can be improved. Further, the position of the operation handle can be variously changed to provide convenience.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand.

Accordingly, the true scope of protection of the present invention should be defined by the claims.

100: height adjustment desk 110: top plate
112: upper plate 114:
120: leg portion 122:
124: Vertical section 130:
140: support frame 142: support tube
144: connector 140: slide tube
147: first flow preventing member 150:
152: guide tube 154: screw cap
160: screw 162: second flow prevention member
163: contact projection 170:
172: Power applying section 174: Power transmission section
175: first bevel gear 176: second bevel gear
178: Power transmission bar 180: Gear box
182: Coupling piece 190:
192: Operation change shaft 194: Third bevel gear

Claims (11)

Top plate;
A leg portion for supporting the upper plate portion from a floor surface;
An elevating portion provided in the leg portion to elevate the upper plate from the leg portion; And
And an elevating operation portion for operating the elevating portion;
The elevating portion includes a supporting frame provided on a bottom surface of the upper plate portion;
A lifting support portion fixed to the inside of the leg portion; And
And a screw coupled to the lifting and lowering support portion and provided in the longitudinal direction of the leg portion to lift and lower the support frame by the operation of the lifting and lowering operation portion.
The method according to claim 1,
The upper plate portion being provided on the leg portion and forming a flat constant space; And
And a receiving portion provided on a bottom surface of the upper plate and capable of receiving an article therein.
The method according to claim 1,
Wherein the leg portion comprises: a base portion supported on a bottom surface; And
And a vertical portion standing upright from an upper surface of the receiving portion.
The method according to claim 1,
Wherein the support frame supports both sides of the bottom surface of the upper plate;
A connection pipe connecting the support pipe; And
And a slide tube extending to a lower portion of the support tube to surround an outer side of the vertical portion.
The method according to claim 1,
Wherein the lifting and supporting portion is provided inside the leg portion and includes a guide pipe covering the screw; And
And a screw cap provided at an upper end of the guide tube and engaged with the screw.
The method according to claim 1,
The lifting operation unit may include a power applying unit provided in the support frame; And
And a power transmitting portion for transmitting the power of the power applying portion to the screw.
The method according to claim 6,
The power transmitting portion includes: a first bevel gear rotated by the power of the power applying portion; And
And a second bevel gear engaged with the first bevel gear to convert rotation of the first bevel gear into rotational motion of the screw.
8. The method of claim 7,
Wherein the first bevel gear and the second bevel gear are housed in a gear box and fixed to the inside of the support frame.
The method according to claim 6,
Wherein the leg portion, the elevating portion, and the power transmitting portion are formed as a pair;
Wherein the power transmission units are interconnected by a power transmission bar.
9. The method of claim 8,
Wherein the power transmission unit includes an operation change unit for applying the operation of the power applying unit in multiple directions.
11. The method of claim 10,
The operation change portion is rotatably provided in the gear box, and the power applying portion is coupled to the operation change portion; And
And a third bevel gear provided on the operation change shaft for rotating the second bevel gear by rotation of the operation change shaft.

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