KR102108155B1 - Adjustable height desk and chair - Google Patents

Abstract

The present invention relates to a desk and a chair having an adjustable height for determining locking against a slope, which can induce a contraction action of a fixation member caused by a structural characteristic which allows an ejected space to be expanded along a slope such that the height of the desk and the chair can be adjusted by a simple maneuver, wherein a series of configurations for controlling location restriction are built and operated in a cover body to guarantee safety in use and to facilitate ease in handling and management, thereby maximizing convenience in maneuvering and efficiency in use. To this end, the present invention may comprise: an upper plate (10); a leg unit (20) supporting the upper plate; and an elevating unit (100) at the leg unit, including a first supporter (110) which is vertically stood from the ground surface, a second supporter (120) having a vertical location varied in the inner space of the first supporter through sliding, an adapter (130) which is interposed between the first supporter and the second supporter and restricts the accommodation and elevation range of the second supporter in a state of being positioned by using the first supporter as a means, and a cover body (140) which accommodates the adapter therein while being eccentrically installed around the adapter to obtain an expansion space at one side, and promotes lateral intervention into the second supporter depending on whether the expansion space is provided by the elevating maneuver, thereby determining whether to restrict the second supporter.

Description

Height-adjustable bookshelf that determines whether or not locking is possible due to an inclined surface {Adjustable height desk and chair}

The present invention is disclosed in relation to a technical idea that can be applied to various types of tables, conference tables, dining tables, etc., and can be provided with the convenience of height adjustment. By inducing the contracting action of the member, it is possible to operate it with only simple actions, and a series of components that control position restraint are provided in a form that is not exposed to the outside, so that safety in use is secured, and handling and management are easy. Therefore, it is related to a height-adjustable desk stand that determines whether or not locking by an inclined surface is induced to maximize convenience of use or efficiency in use.

In general, bookshelves are used for various purposes according to the home, school, office, and other work sites, and recently, a structure is provided that can arbitrarily control the height of the bookshelves according to the user's body type and other purpose of use.

As an example, Publication No. 10-2015-0026887 "Table height adjustment device" is published, and the corresponding technology is that a supporter supporting a table is divided into an internal supporter and an external supporter, and a pin is provided on the internal supporter. Consists of a stopper with movable pins to enter or break the negative and pin anchorages or to release the internal supporter, and an operating lever connected by a stopper and an operating string to operate the movable pins to simplify the height of the table. Provides a technique for convenient adjustment.

As another example, Patent Publication No. 10-0783196 "Height adjustment leg for a table" is published, and the technology is integrally protruding from the base, the base, and the height adjustment end provided with a thread and a screw rod, and a screw rod It has a large scale as it is composed of a connecting portion extending from the inner portion to be fastened to form a floor, a lower pipe having an outer portion which is bent vertically from the connecting portion and symmetrical to the inner portion, and an upper pipe interpolated to the inner portion and the outer portion and coupled with the table top plate. The height adjustment is performed by the connecting member, and the height adjustment of the fine scale is provided by the height adjustment stage, and thus a plurality of control units capable of height control for each scale are provided.

As described above, in the existing technical thought, a great deal of effort has been made to meet various needs of consumers for a bookshelf, and as a result of this, the height adjustment function for the vertical direction is mounted, as well as adjustment through a separate fixing member. Techniques such as determining the height of an old leg have been provided.

However, all the existing technical thoughts were accompanied by the inconvenience that the user had to manually intervene the fixing member in the leg and the risk of injuring the finger in the process, and in addition, it was difficult to interpose the fixing member in the leg while the height was adjusted. As the precision required to attempt is required, there is a need for an improved technical concept related to a bookshelf that is structurally safe and can be easily implemented with a series of manipulations for height adjustment.

Republic of Korea Patent Publication No. 10-2015-0026887 "table height adjustment device" Republic of Korea Registered Patent Publication No. 10-0783196 "Height adjustment leg for table"

The present invention was created to more actively solve the above-mentioned problems, and it is solved to provide a height-adjustable bookshelf that maximizes safety of use as all of a series of components for height adjustment are accommodated and operated inside the cover body. This is the task to be done.

In addition, the present invention provides a height-adjustable bookshelf on which the height of the bookshelf is easily adjusted only by simple lifting and lowering of the cover body, and the elements integrated with each other without separate means are realized in position control. Shall be

In addition, the present invention is another solution to provide a technique for preventing a malfunction such as detachment of an accessory due to excessive lifting by further comprising a locking member that limits a lifting range to a leg portion where height adjustment is performed.

In order to achieve the above-described problem, the configuration of the height-adjustable bookshelf that determines whether locking by the inclined surface proposed in the present invention is determined as follows.

The height-adjustable bookshelf of the present invention comprises a top plate 10; and a leg portion 20 for supporting the top plate; the leg portion includes a first support 110 vertically inserted from the ground and an interior of the first support. In the space, the second support 120, the vertical position of which is variable by sliding, is interposed between the first support and the second support, and is accommodated and elevated inside the second support in a position fixed by means of the first support The adapter 130, which limits the range, and the adapter are accommodated inside, but eccentrically installed on the basis of the adapter to secure an expansion space on one side, and plan side intervention to the second support depending on whether an expansion space is provided by a lift operation. It characterized in that it comprises a; lifting unit 100 including a cover body 140 for determining whether to restrain the second support.

In addition, the cover body 140 accommodates the adapter 130 inside, which one side has a gripping portion 141 having an expanded shape; and, interposed on either side of the adapter 130 and within the extended space of the gripping portion Characterized in that it consists of; moving horizontally in the fixing member 142 is determined side intervention to the second support (120).

In addition, the gripping portion 141 is characterized in that it consists of an inclined portion (141-1) for inducing the presence or absence of the fixing member 142 in the extended space therein.

In addition, the fixing member 142 is interposed between the adapter 130 and the gripping portion 141 and is fixedly disposed on one side of the adapter (142-1); And, horizontal projection from the fixed plate material (142-1) And fixed protrusions (142-2) for engaging the plurality of fixing holes (a) formed in the first and second support (110,120) and the adapter 130 to constrain the second support from the first support; And, fixed projection (142 -2) is mounted on the adapter 130 and the fixed plate member (142-1) to provide elasticity between the elastic member (142-3); characterized in that it consists of.

In addition, the fixed plate material 142-1 includes a taper D corresponding to the inclined portion 141-1 formed in the gripping portion 141, and the taper D is lifted when the cover body 140 is elevated. It is characterized in that horizontal withdrawal of the fixing member is induced while sliding along the inclined portion.

In addition, the cover body 140 is characterized in that the locking member 150 is further configured to control the lifting function according to whether the docking with the adapter 130.

In addition, the locking member 150 is a button portion 151 that horizontally moves within a slot area formed on the top of the cover body 140; and, through the slot at the bottom of the button portion, extends into the interior space of the cover body 140 It is characterized in that it consists of; projections 152 inserted into the fitting portion 132 formed on the adapter 130 according to the movement of the button portion.

In addition, the button part 151 includes recesses 153 on both sides based on the projection part 152, and the cover body 140 and the adapter 130 are respectively provided in the recesses 153 of the button part where the movement is completed. It characterized in that the locking jaw 133 is further configured to constrain the position.

In addition, the adapter 130 includes a stepped portion 131 in which the upper inner diameter is narrower than the lower inner diameter, and the second support 120 is detachable from the end cap in the state inserted into the adapter 130 121 ) Is coupled, it is characterized in that the range of lifting due to the interference of the stepped portion 131 is limited.

According to the present invention made of the above-described configuration, the accuracy of height adjustment and the convenience of related actions are secured through an extremely simple and efficient structure compared to the prior art. , As all components are built closely, the safety of use is ensured.

In addition, the present invention not only proposes a locking means of a type in which the extension region of the gripping portion is reduced or expanded along a ramp by the lifting operation of the cover body, as well as precisely controlling up and down movements due to the structural characteristics of the locking means. Therefore, it is also expected that the advantage of allowing the selective height adjustment on the bookshelf with a simple lifting operation.

1 is a perspective view of a height-adjustable bookshelf constructed by a preferred embodiment of the present invention.
Figure 2 is an exploded perspective view showing the structural coupling relationship between the leg unit and the lifting unit proposed in the present invention.
Fig. 3 is a sectional view of Fig. 2;
4 to 9 are use state diagrams sequentially showing the embodiment of FIG.

Hereinafter, with reference to the accompanying drawings, the configuration of the present invention and the effects and effects thereof will be collectively described.

Advantages and features of the present invention, and methods for achieving them will be clarified with reference to embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, and may be implemented in various different forms, and only the present embodiments allow the disclosure of the present invention to be complete, and common knowledge in the technical field to which the present invention pertains. It is provided to completely inform the person having the scope of the invention, and the present invention is only defined by the scope of the claims. And throughout the specification, the same reference numerals refer to the same components.

The present invention is disclosed in terms of a technical idea that can be applied to various types of tables, conference tables, dining tables, etc. to provide convenience of height adjustment.

Above all, the present invention can be operated by height only by a simple action by inducing the contracting action of the fixing member due to the structural characteristic that the setting space is expanded by the operation of the inclined surface, and a series of components that control position restraint are not exposed to the outside. Since it is provided in a non-standard form, it not only ensures safety in use, but also facilitates handling and management. It is noted that it is related to a height-adjustable desk that determines whether it is locked by an inclined surface that maximizes convenience or efficiency in use. .

1 is a perspective view of a height-adjustable bookshelf constructed according to a preferred embodiment of the present invention, and FIG. 2 is an exploded view showing a coupling relationship between structures of a leg unit supporting a top plate on a bookshelf and a lifting unit for controlling the lifting position of the leg unit It is a perspective view.

1, the height-adjustable bookshelf of the present invention includes a circular or polygonal top plate 10 carrying various objects; and a leg portion 20 for positioning the top plate at a set height on the ground; and controlling the height of the leg portion It is composed of; a lifting unit (100).

At this time, the elevating unit 100 includes a first support 110 that is vertically placed on the ground, a second support 120 whose vertical position is changed by sliding within an interior space of the first support, and a first support and a first support. The adapter 130 is interposed between the two supports, and the position of the first support is fixed by means, and the adapter 130 is configured to accommodate the inside and the lifting range of the second support, and the adapter is accommodated inside, but eccentrically installed on the basis of the adapter. It is composed of a cover body 140 that secures an expansion space and promotes side intervention to the second support according to whether or not an expansion space is provided by a lift operation, thereby determining whether to restrain the second support.

The first support 110 includes a circular or polygonal pipe having an empty space formed therein, and includes bending processing in a set form to stably vertically enter the ground.

On the other hand, the first support 110 includes a fixing hole (a) formed on one side of the upper side, and the fixing hole is a leg portion whose height is adjusted by inducing side intervention of the fixing member 142 to be described below. ) To provide conditions to constrain the location.

The second support 120 is composed of a circular or polygonal pipe with an empty space formed therein as the first support 110, and is installed to be able to slide up and down in the empty space inside the first support.

The second support 120 is made of a shape in which the upper side is bent at a right angle for the installation of the upper plate 10, and the lower side is capable of raising or lowering a set distance with respect to the vertical direction while being accommodated inside the first support 110. In addition, the second support is provided with a plurality of fixing holes (b) corresponding to the fixing holes (a) of the first support, which are arranged at regular intervals in the vertical direction so that the fixing holes for each fixing hole when lifting the second support It is a structure in which location selection is proposed.

The adapter 130 is a medium for inducing side intervention of the fixing member 142 to be described below while interconnecting the first support 110 and the second support 120, and the positions of the first support and the second support Provides installation space to implement control. The adapter 130 internally accommodates the second support in a state where the first support 110 is fixed by means, and finally lowers the lower end of the second support into the interior space of the first support.

Meanwhile, the adapter 130 configures the inner diameter of the adapter to a diameter corresponding to the outer diameter of the second support for elaborate positioning of the second support 120 to induce close contact with each other. In addition, the adapter 130 further includes a stepped portion 131 in which the upper inner diameter is slightly narrower than the lower inner diameter, and the second support 120 is provided with an anti-separation cap 121 at the end while being inserted into the adapter. As it is engaged, the jamming from the stepped portion 131 is induced to limit the lifting range of the second support.

The departure prevention cap 121 includes a plurality of friction protrusions 121-1 arranged at equal intervals in the longitudinal direction on the outer periphery, and the departure prevention cap is an adapter 131 by the second support 120. When disposed in the corresponding projection further serves to hold the position of the second support without a separate fixing means while pressing the inner diameter of the adapter closely.

In addition, the adapter 130 further includes a through hole (c) formed at a position corresponding to a fixing hole (a) of the first support 110 to a fixing hole (b) of the second support 120. , This through-hole (c) provides a means for constraining the second support having the height adjusted to the first support by inducing side intervention of the fixing member 142 to be described below.

The cover body 140 is made of an ellipse including an extended region on one side, and is eccentrically installed based on the first support 110, the second support 120, and the adapter 130, and a predetermined distance on the adapter It is installed to enable vertical movement.

The cover body 140 accommodates the adapter 130 in which the first support 110 and the second support 120 are installed, and determines whether or not to lock by inducing the user's gripping. (141) and a fixing member 142 for restraining the second support 120 through the side intervention of the adapter.

The gripping part 141 is formed in an elliptical shape having an expansion space on one side as described above, and is installed to be able to move up or down in the vertical direction based on the adapter 130.

In particular, the gripping portion 141 is formed with an inclined portion 141-1 which induces the presence or absence of pressurization of the fixing member 142 in the expansion space therein, and the holding member 142 according to the lifting or lowering operation of the gripping portion. The contact position of one surface is changed to the ramp of the inclined portion 141-1, and the corresponding configuration induces the pressing and release of the fixing member 142 to determine whether the second support 120 is restrained. The inclined portion 141-1 basically has an inclined surface in the '/' direction from the bottom of the gripping portion 141 toward the lower side, and as the gripping portion 141 moves up or down, the allowable space for withdrawal expands along the inclined surface. As it is reduced, the fixing member 142 attempts to withdraw or draw from the second support portion 120.

The fixing member 142 is interposed between the adapter 130 and the gripping portion 141, and the fixing hole (b) of the second support 120 according to the change in the allowable space for taking out the expansion space by lifting the gripping portion As it is inserted or withdrawn, the second position of the height-adjusted second support is held.

For example, when the gripping portion 141 is lowered, the gap with the adapter 130 is closely arranged due to the structure of the inclined surface of the inclined portion 141-1, so that the fixing member 142 is pressurized by the inclined portion. When the side intervention into the second support 120 is made through the adapter, and when the gripping portion 141 is elevated, a gap is secured from the adapter due to the inclined surface structure of the inclined portion, and accordingly, the fixing member 142 allows withdrawal between the inclined portions As the lateral movement to the space moves away from the fixing hole of the second support 120, the vertical sliding movement of the second support becomes free.

Particularly, the fixing member 142 is interposed between the adapter 130 and the gripping portion 141 and horizontally protrudes from the fixed plate member 142-1 and the fixed plate member 142-1 disposed close to any one side of the adapter. The fixing projections 142-2 intervening in the plurality of fixing holes (a) formed in the first and second supports 110 and 120 and the adapter 130 to restrain the second support from the first support, and the adapter being mounted on the fixing projection ( 130) and a fixed member (142-1) is composed of an elastic member (142-3) that provides elasticity.

The fixed plate material 142-1 has a rear surface corresponding to the outer diameter of the adapter 130 or a shape corresponding to the slope of the inclined portion 141-1 to induce smooth lifting of the gripping portion 141.

The fixing protrusion (142-2) sequentially passes through the through hole (c) of the adapter 130 and the fixing hole (a) of the first support 110, finally, the fixing hole (b) of the second support 120 It will protrude to reach.

The elastic member 142-3 is configured as a flat spring so that a stable contracting action of the fixing member 142 on the adapter 130 can be implemented, but is not limited thereto, and can be replaced by springs of various shapes.

On the other hand, the lifting unit 100 further includes a locking member 150 that can select whether to lift the cover body 140, and the locking member 150 is an adapter by sliding left and right on the cover body 140. Whether to dock with 130 is determined.

Particularly, the locking member 150 induces a user's touch, and a button part 151 that is provided with a force to be docked with the adapter 130, and a protrusion part that is substantially fitted into the adapter 130 along with the button part. 152).

The button portion 151 is installed to enable horizontal movement within a slot region horizontally cut from the top of the cover body 140 to the region where the adapter is disposed, and the protrusion 152 is through the slot region at the bottom of the button portion. It extends to the expansion space of the cover body 140 and, while being interposed with the button portion, is inserted into the fitting portion 132 formed on the adapter 130 to limit the lifting function of the cover body.

On the other hand, the button portion 151 includes recesses 153 formed at both sides of the left and right sides based on the protrusions 152 on the bottom surface, and the cover body 140 and the adapter 130 are horizontally moved horizontally. The locking jaw 133 is further configured at a position corresponding to the groove of the button part, thereby temporarily restraining the position of the button part where horizontal movement is completed.

3 is a cross-sectional view of a height-adjustable bookshelf constructed according to a preferred embodiment of the present invention.

As shown in Figure 3, the bookshelf of the present invention is first adapter 110 is interposed on the top of the first support 110 and the first support vertically placed on the ground, the second support 120 is the inner diameter of the adapter Is interpolated. The second support 120 is provided with an anti-separation cap 121 on the end to prevent complete departure from the first support 110, and is provided in a fixing hole (a) and an adapter 130 formed in the first support. When the formed through-hole (c) and the fixing hole (c) formed in the second support 120 are both collinear, a fixing member 142 in which side intervention is performed is further installed.

On the other hand, the cover body 140 accommodates the adapter inside, and the inclined portion 141-1 is provided on the line where the fixed member is disposed so that the fixed member 142 can maintain side intervention with the second support 120. In addition, the upper end of the cover body is provided with a locking member 150 to prevent unwanted lifting of the cover body by restraining the locking jaw 133 formed in the adapter.

4 to 9 are use state diagrams sequentially showing the operation process of the height-adjustable bookshelf constructed by the preferred embodiment of the present invention.

As shown in Figure 4, the bookshelf of the present invention is basically a fixing member 142 is a side hole to the adapter 130 is made through the through-hole (c) of the adapter and the fixing hole (a) and the second support of the first support 110 The fixing hole (b) of (120) is in a restrained state, and the locking member (150) is attached to the fitting portion (132) of the adapter to limit the lifting of the cover body (140) as a starting point of operation. .

In order to adjust the height of the bookshelf as shown in FIG. 5, the protrusion 152 is retracted on the fitting portion 132 using the button portion 151 of the locking member 150 to restrain the cover 140 from the adapter 130. It begins with the process of releasing it.

To this end, the user presses the button portion 151 to move the locking member 150 in the opposite direction of the adapter 130 to release the locking portion 152 of the locking member from the fitting portion 132 of the adapter.

As shown in Figure 6, the cover body 140, which is freely elevated from the adapter 130, allows the fixed member 142, which is in close contact with the top of the inclined portion 141-1, to go to the bottom of the inclined portion when lifting operation is made. The space gradually expands, and finally, the fixing protrusion 142-2 moves away from the fixing hole b of the second support 120 so that the movement of the second support 120 in the inner space of the first support 110 is increased. It becomes free.

As shown in FIG. 7, as the restraint of the fixing member 142 is released, the user can set the bookshelf to a desired height as the lifting of the second support 120 becomes free.

When the height of the bookshelf is determined as shown in FIG. 8, the allowable space for the inclined portion 141-1 to be pulled out is reduced as the user descends the gripping portion 141 of the cover body 140, thereby fixing member 142 ) Is gradually pressed by the inclined portion, the fixing protrusion 142-2 is inserted into the fixing hole b of the second support 120 to be constrained.

Then, as shown in FIG. 9, the locking member 150 is re-entered toward the adapter 130 to limit the lifting operation of the cover body 140, thereby blocking unwanted height adjustment on the bookshelf.

According to the present invention made of the above-described configuration, the accuracy of height adjustment and the convenience of related actions are secured through an extremely simple and efficient structure compared to the prior art. , As all components are built closely, the safety of use is ensured.

In addition, the present invention not only proposes a locking means of a type in which the extended region of the gripping portion is reduced or expanded along a ramp by the lifting operation of the cover body, as well as precisely controlling the up and down movement due to the structural characteristics possessed by these locking means. Therefore, it is also expected that the advantage of allowing the selective height adjustment on the bookshelf with a simple lifting operation.

The present invention described above has been described with reference to one embodiment shown in the drawings, but this is only an example, and various modifications and equivalent other embodiments are possible from those skilled in the art. Should be clarified. Therefore, the true technical protection scope of the present invention should be interpreted by the appended claims, and all technical spirits within the equivalent scope should be interpreted as being included in the scope of the present invention.

10. Top plate 20. Leg
100. Lifting unit 110. First support
120. Second support 130. Adapter
140. Cover body 150. Locking member

Claims (8)

Top plate 10;
A leg portion 20 supporting the top plate;
The first support 110 vertically erected from the ground, the second support 120 having a variable vertical position by sliding within the interior space of the first support, and the first support interposed between the first support and the second support The adapter 130, which limits the internal accommodation and elevating range of the second support in a fixed position by means of the support, and is installed eccentrically based on the internal accommodation and adapter of the adapter, secures an expansion space on one side and is operated by the elevating operation. A lifting unit (100) including a cover body (140) for determining whether to restrain the second support by promoting side intervention to the second support according to whether an expansion space is provided;
It consists of,
The cover body 140 of the cover body through the slot on the bottom of the button portion 151 and the button portion horizontally moved within the slot area formed on the top of the cover body to control the lifting function according to whether or not docking with the adapter 130 The locking member 150, which is extended into the interior space and includes a protrusion 152 inserted into the fitting portion 132 formed in the adapter according to the movement of the button portion, is further configured to height or not determined by locking by an inclined surface. Adjustable desk.
According to claim 1,
The cover body 140,
The adapter 130 accommodates the inside, and a gripping part 141 having an extended shape on one side;
A fixing member 142 interposed on one side of the adapter 130 and horizontally moved within the extended space of the gripping portion to determine side intervention to the second support 120;
A height-adjustable desk that is determined to be locked by an inclined surface, characterized in that it is composed of.
According to claim 2,
The holding portion 141 is a height-adjustable desk for determining whether or not locking by an inclined surface is made of an inclined portion 141-1 that induces the presence or absence of pressurization of the fixing member 142 in the extended space therein .
According to claim 2,
The fixing member 142,
A fixed plate member 142-1 interposed between the adapter 130 and the gripping portion 141 and disposed in close contact with one side of the adapter;
A fixed protrusion (142) that horizontally protrudes from the fixed plate member (142-1) and intervenes in a plurality of fixing holes (a) formed in the first and second supports (110, 120) and the adapter 130 to constrain the second support from the first support -2);
An elastic member 142-3 mounted on the fixing protrusion 142-2 to impart elasticity between the adapter 130 and the fixing plate member 142-1;
A height-adjustable desk that is determined to be locked by an inclined surface, characterized in that it is composed of.
delete delete According to claim 1,
The button portion 151 includes that the grooves 153 are formed on both sides based on the projection portion 152,
Each of the cover body 140 and the adapter 130 is locked to the groove 153 of the button part where the movement has been completed, and the locking jaws 133 for constraining the position are further configured. Height adjustable desk.
According to claim 1,
The adapter 130 further includes a stepped portion 131 whose upper inner diameter is narrower than that of the lower inner diameter,
The second support 120 is locked by the inclined surface, characterized in that the lifting range due to the interference of the stepped portion 131 is coupled to the departure prevention cap 121 is coupled to the end in the state inserted into the adapter 130 Height-adjustable desk that is determined whether or not.

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