KR20170055057A - Angle Adjustor for Desk - Google Patents

Angle Adjustor for Desk Download PDF

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Publication number
KR20170055057A
KR20170055057A KR1020150157407A KR20150157407A KR20170055057A KR 20170055057 A KR20170055057 A KR 20170055057A KR 1020150157407 A KR1020150157407 A KR 1020150157407A KR 20150157407 A KR20150157407 A KR 20150157407A KR 20170055057 A KR20170055057 A KR 20170055057A
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KR
South Korea
Prior art keywords
stopper
gear
rotary
desk
lever
Prior art date
Application number
KR1020150157407A
Other languages
Korean (ko)
Other versions
KR101781619B1 (en
Inventor
최관호
Original Assignee
주식회사 파세코
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Application filed by 주식회사 파세코 filed Critical 주식회사 파세코
Priority to KR1020150157407A priority Critical patent/KR101781619B1/en
Publication of KR20170055057A publication Critical patent/KR20170055057A/en
Application granted granted Critical
Publication of KR101781619B1 publication Critical patent/KR101781619B1/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B13/00—Details of tables or desks
    • A47B13/08—Table tops; Rims therefor
    • A47B13/081—Movable, extending, sliding table tops
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B19/00—Reading-desks; Lecterns; Pulpits, i.e. free-standing
    • A47B19/06—Reading-desks; Lecterns; Pulpits, i.e. free-standing with adjustable top leaf
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B2200/00—General construction of tables or desks
    • A47B2200/0035—Tables or desks with features relating to adjustability or folding
    • A47B2200/004—Top adjustment
    • A47B2200/0043—Inclination adjustable work top

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  • Pivots And Pivotal Connections (AREA)

Abstract

The present invention relates to a height-adjustable desk. In a desk angle adjusting device capable of adjusting an angle of a top plate of the desk in a vertical direction, the desk angle adjusting device includes: a pair of supporting brackets fixated and installed in one side and the other side of the underside of the top plate; fixing guide brackets fixated and installed in supporting legs and having a circular rotary gear groove to enable the rotation of the supporting brackets; a rotary shaft connecting the supporting brackets and the fixating guide brackets and having both ends positioned in the rotary gear grooves; a pair of rotary gears installed at both ends of the rotary shaft and engaged with the rotary gear grooves; stopper gears installed at one spot in a longitudinal direction between the rotary gears; and an angle adjusting unit installed on the underside of the top plate, making the rotation of the rotary shaft free from the stopper gears or limiting the rotary shaft to prevent the rotation of the rotary shaft. Accordingly, the desk angle adjusting device is capable of providing user convenience to finely adjust an angle of the top plate using the gear engagement and obtaining the effect of satisfying manipulation stability and operational reliability by preventing the top plate from being rapidly moving in a vertical direction when adjusting the angle of the top plate.

Description

{Angle Adjustor for Desk}

The present invention relates to a desk adjustable in height, and more particularly, to a desk angle adjusting apparatus capable of adjusting the angle of inclination of a desk top panel and providing a convenient operation for adjusting the angle of the desk top panel.

Generally, desks are used together with chairs in schools and offices, whether male or female.

The top plate of such a desk is generally made of a flat plate-like structure maintaining a horizontal state.

Therefore, when the user reads or writes a book placed on the top plate, the user has to read or write the book in a bent position.

Therefore, when long-time learning is performed on the desk, pain is generated in the back and neck part, and in case of severe case, diseases such as disk are generated. In particular, The effect was lowered, and there were many problems such as the deformity of the body to the young people in the growing stage.

In recent years, a desk having a desk angle adjusting device for adjusting the angle of the upper plate has been proposed as a solution to the above problems.

That is, in the desk angle adjusting apparatus according to the related art, a fan-shaped angle adjusting member having a plurality of angle adjusting holes for adjusting the angle is formed between an upper plate and a leg of a desk, Or a screw tightening structure in which an adjusting screw is loosened and tightened on a leg which can be stretched is typical.

The desk angle adjusting device of the related art has a disadvantage in that the user stands up from a seated chair and supports the top plate of the desk with one hand and manipulates the fixing pin or the adjusting screw with the other hand, There is a high risk of causing a safety accident that injures the user's body during a momentary lowering action due to the weight of the desk top.

In addition, it has been disadvantageous in that it is difficult to adjust the top plate of the desk at a fine angle.

Korean Registered Utility Model No. 0267085 (Feb. 23, 2002)

SUMMARY OF THE INVENTION It is an object of the present invention to provide a desk angle adjusting apparatus capable of adjusting the angle of inclination of a desk top and providing a convenient operation for adjusting the angle of the desk top.

In order to achieve the above object, a desk angle adjusting apparatus according to the present invention is a desk angle adjusting apparatus for adjusting an angle of an upper plate of a desk in a vertical direction, Support bracket; A fixed guide bracket fixed to the support leg of the desk and having an arc-shaped rotary gear groove for rotating the support bracket; A rotary shaft connecting the support bracket and the fixed guide bracket and having both ends in the longitudinal direction located in the rotary gear groove; A pair of rotary gears installed at both ends of the rotary shaft and engaged with the rotary gear grooves, and a stopper gear provided at one point in the longitudinal direction between the pair of rotary gears; And an angle adjusting unit installed on a lower surface of the upper plate and restricting rotation or rotation of the rotary shaft from engagement and disengagement of the stopper gear to restrict rotational movement.

The stopper lever is hinged to the base bracket and interlocked with the stopper gear. The stopper lever is hinged to the base bracket and hinged to the base bracket. And an operation lever for operating the operation lever.

One end of the stopper lever is formed with a detachment prevention member having a structure bent to prevent the operation lever from being separated from the operation lever, and a stopping piece engaging with the stopper gear is formed at the other end.

The base bracket is further provided with an elastic spring for applying an elastic force to the hinge movement of the stopper lever.

And the resilient spring is connected between the hinge engaging portion of the stopper lever and the engaging piece so that the engaging piece applies a force to the stopper gear.

Wherein the operating lever includes a grip portion for transmitting a pressing force by a user, a pressing portion for pressing the stopper lever in accordance with the rotational direction of the handle portion and catching the release preventing piece, And a hinge connection part.

And a gear cover is installed on both sides of the rotary gear to prevent foreign matter from entering the rotary gear.

According to the present invention having the above-described constitution, by constituting the fixed guide bracket having the arc-shaped rotary gear groove, the rotary gear engaged with the rotary gear groove, and the stopper gear and the angle adjusting unit, The upper plate can be prevented from moving in the up and down direction at the time of adjusting the angle as well as the convenience of fine adjustment of the angle of the upper plate can be prevented.

1 is a perspective view of a desk angle adjusting apparatus according to an embodiment of the present invention viewed from the bottom.
2 is a front view of Fig.
3 is an enlarged view of the angle adjusting unit of Fig.
Fig. 4 is a side sectional view of Fig. 3; Fig.
5 and 6 are side views illustrating the operation of the desk angle adjusting apparatus according to the embodiment of the present invention.

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

As shown in the drawing, the desk angle adjusting device according to the present invention is a desk angle adjusting device that adjusts the angle of the upper plate 10 of the desk in the vertical direction, and includes a pair of support brackets (not shown) fixedly installed on one side and the other side of the lower surface of the upper plate 10, A fixed guide bracket 200 fixed to the support leg 20 of the desk and having an arc-shaped rotary gear groove 210 for rotating the support bracket 100, A rotary shaft 300 connected to the fixed guide bracket 200 and having both end portions in the longitudinal direction of the rotary shaft 300 and positioned in the rotary gear groove 210; A stopper gear 420 installed at one point in the longitudinal direction between the pair of rotary gears 410 engaging with the groove 210 and the rotary gear 410; From the engaging / disengaging engagement of the gear 420, 300 for restricting rotational movement or restricting rotational movement.

First, the support bracket 100 is installed on the lower surface of the upper plate 10, and is fixed to one side and the other side of the side opposite to each other.

The support bracket 100 is folded at one side to be in surface contact with the lower surface of the upper plate 10 and has a plurality of bolt fastening holes 101 formed on the other side thereof in a direction perpendicular to the contact surface, The shaft through hole 102 is formed in a state in which the shaft through hole 102 penetrates.

The stationary guide bracket 200 is fixed to the support leg 20 of the desk and is formed with an arc-shaped rotary gear groove 210 for rotating the support bracket 100 fixed to the upper plate 10 It is a fan-shaped plate.

That is, when the support bracket 100 is moved along the path of the rotary gear groove 210 while the fixed guide bracket 200 is fixed to the support leg 20 of the desk, Can be adjusted in the vertical direction.

The stationary guide bracket 200 and the support bracket 100 may be disposed at positions close to each other so that the rotary gear groove 210 and the shaft through hole 102 can be located on the same line.

The fixed guide bracket 200 and the support bracket 100 are indirectly connected to each other by the rotation shaft 300 without being directly connected to each other.

The rotation shaft 300 interconnects the support bracket 100 and the fixed guide bracket 200 and is a component extending to a predetermined length.

That is, the both ends in the longitudinal direction of the rotating shaft 300 are located in the rotating gear groove 210 of the fixed guide bracket 200 after passing through the shaft through-hole 102 of the supporting bracket 100, The supporting bracket 100 and the fixing guide bracket 200 maintain an organic connection state by the rotating shaft 300.

A pair of rotary gears 410 engaged with the rotary gear groove 210 are provided at both ends of the rotary shaft 300 and a stopper gear 420 is installed at one point in the longitudinal direction between the rotary gears 300 .

The rotation gear 410 can prevent the rotation shaft 300 from rotating rapidly due to the meshing operation of the gear engagement with the rotation gear groove 210. Accordingly, in order to adjust the inclination angle of the upper plate 10, The upper plate 10 can be prevented from being lowered or raised rapidly, and the variable inclination angle fixing position of the upper plate 10 can be fixed firmly.

In addition, a gear cover 411 is provided on both sides of the rotary gear 410 to prevent foreign matter from entering.

The gear cover 411 is preferably larger than the diameter of the rotary gear 410. This is because when the user's finger is located in the rotary gear groove 210 due to the carelessness of the user, the gear cover 411 comes into contact with the user's finger in advance, 210 in order to prevent accidental engagement between them.

The stopper gear 420 is installed at one point in the longitudinal direction of the rotary shaft 300 and includes a component to be installed for controlling rotation of the rotary shaft 300 from a configuration of an angle adjusting unit 500 to be.

Here, the stopper gear 420 may be formed relatively larger than the rotation gear 410. This is to ensure reliable engagement and disengagement of the gear of the stopper gear 420.

On the other hand, the angle adjusting unit 500 is installed on a lower surface of the upper plate 10, and is located at an upper point of the stopper gear 420.

The angle adjusting unit 500 restricts rotation of the rotary shaft 300 by restricting rotation of the rotary shaft 300 by engaging and disengaging the stopper gear 420.

More specifically, the angle adjusting unit 500 includes a base bracket 510 hinged to the base bracket 510 and a stopper gear 420 interlocked with the stopper gear 420 A stopper lever 520 and an operation lever 530 hinged to the base bracket 510 and operating the stopper lever 520 in a hinging manner.

That is, the angle regulating unit 500 normally restrains the rotation shaft 300 from rotating by engaging and disengaging the stopper gear 420 with the stopper gear 520, so that the upper plate 10 is fixed . When the operating lever 530 is operated to transmit a pressing force to rotate the stopper lever 520, the stopper gear 420 is released from the stopper lever 520 to rotate the rotating shaft 300 The upper plate 10 is angularly varied in an inclined direction.

Moreover, the angle adjustment using the gear meshing of the rotary gear 410 and the rotary gear groove 210 not only satisfies both the stability of operation and the reliability of operation, but also has the effect of fine adjustment of the angle.

The stopper lever 520 is formed at one end thereof with a release preventing piece 521 having a structure bent to prevent the operation lever 530 from being separated from the operation lever 530. The other end of the stopper lever 520 has a retaining piece 522 engaged with the stopper gear 420, .

The operation lever 530 includes a handle 531 for transmitting a pressing force by the user and a handle 531 for pressing the stopper lever in accordance with the rotating direction of the handle 531, And a hinge connection part 533 connecting between the handle part 531 and the pressing part 532. [

In addition, the base bracket 510 may be provided with an elastic spring 540 for applying an elastic force to the hinge movement of the stopper lever 520.

That is, the elastic spring 540 is connected between the hinge engaging portion of the stopper lever 520 and the engaging piece 522, so that the engaging piece 522 exerts a force on the stopper gear 420 .

Hereinafter, the operation of the desk angle adjusting apparatus of the present invention will be described with reference to FIGS. 5 and 6. FIG.

6, in order to adjust the inclination angle of the upper plate 10 as shown in FIG. 6 in a state in which the upper plate 10 is kept in parallel, the operation lever 530 is moved upward The stopper lever 520 is pushed downward while the operation lever 530 is hinged. At this time, the stopper lever 520, which is hinged by the operation lever 530, releases the restriction with the stopper gear 420. Accordingly, the upper plate 10 can be angularly adjusted to be inclined downward.

Thereafter, when the user depresses the pressing force of the operation lever 530 while maintaining the desired inclination angle with respect to the upper plate 10, the elastic spring (not shown) connecting the stopper lever 520 and the base bracket 510 The stopper lever 520 of the stopper lever 520 moves to the position where the stopper gear 520 restrains the stopper gear 420 and at the same time the stopper lever 520 is moved to the position of the operation lever 530, And transmits a rotational force to rotate the handle 531 of the handle 531 downward.

According to the present invention thus configured, the fixed guide bracket 200 having the arc-shaped rotary gear groove 210, the rotary gear 410 engaged with the rotary gear groove 210, the stopper gear 420, By configuring the angle adjusting unit 500, it is possible not only to provide a convenience of fine adjustment of the angle of the upper plate 10 using the gear engagement, but also to prevent the upper plate 10 from moving rapidly in the vertical direction So that it is possible to satisfy both the stability of operation and the reliability of operation.

100: support bracket
200: Fixed guide bracket
210: Rotary gear groove
300: rotating shaft
410: rotary gear
411: Gear cover
420: Stopper gear
500: Angle adjusting unit
510: Base bracket
520: Stopper lever
530: Operation lever
540: elastic spring

Claims (7)

A desk angle adjusting apparatus for adjusting an angle of a top plate of a desk in a vertical direction,
A pair of support brackets fixedly installed on one side and the other side of the lower surface of the upper plate;
A fixed guide bracket fixed to the support leg of the desk and having an arc-shaped rotary gear groove for rotating the support bracket;
A rotary shaft connecting the support bracket and the fixed guide bracket and having both ends in the longitudinal direction located in the rotary gear groove;
A pair of rotary gears installed at both ends of the rotary shaft and engaged with the rotary gear grooves, and a stopper gear provided at one point in the longitudinal direction between the pair of rotary gears; And
And an angle adjusting unit installed on a lower surface of the upper plate and restricting rotation or rotation of the rotary shaft from engagement and disengagement of the stopper gear to restrict rotational movement.
The method according to claim 1,
Wherein the angle adjusting unit comprises:
A base bracket provided on a lower surface of the upper plate,
A stopper lever hinged to the base bracket and interlocking with the stopper gear,
And an operating lever hinged to the base bracket for operating the stopper lever so as to be hinged.
3. The method of claim 2,
Wherein one end of the stopper lever is formed with an escape prevention member having a structure bent to prevent the operation lever from being separated from the operation lever, and the other end of the stopper lever is engaged with the stopper gear.
The method of claim 3,
Wherein the base bracket is further provided with an elastic spring for applying an elastic force to the hinge movement of the stopper lever.
5. The method of claim 4,
Wherein the resilient spring is connected between the hinge engaging portion of the stopper lever and the engaging piece so that the engaging piece applies a force to the stopper gear.
The method of claim 3,
Wherein the operating lever includes a grip portion for transmitting a pressing force by a user, a pressing portion for pressing the stopper lever in accordance with the rotational direction of the handle portion and catching the release preventing piece, And a hinge connection part.
7. The method according to any one of claims 1 to 6,
Wherein a gear cover is provided on both sides of the rotary gear to prevent foreign matter from entering the rotary gear.
KR1020150157407A 2015-11-10 2015-11-10 Angle Adjustor for Desk KR101781619B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150157407A KR101781619B1 (en) 2015-11-10 2015-11-10 Angle Adjustor for Desk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150157407A KR101781619B1 (en) 2015-11-10 2015-11-10 Angle Adjustor for Desk

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KR20170055057A true KR20170055057A (en) 2017-05-19
KR101781619B1 KR101781619B1 (en) 2017-09-26

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110012727A (en) * 2019-04-02 2019-07-16 山西农业大学 A kind of electronic sea-buckthorn recovering device of oscillatory type
CN111513459A (en) * 2020-06-11 2020-08-11 嘉兴森创家居有限公司 Stable fixed and desktop angle slope is convenient for adjust desk
CN115998076A (en) * 2023-02-16 2023-04-25 广州市大郎实业有限公司 Electronic contest table

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102347118B1 (en) * 2020-06-12 2022-01-03 한국해양과학기술원 Mounting device for underwater survey equipment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200335534Y1 (en) 2003-09-25 2003-12-11 김영신 Folding desk

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110012727A (en) * 2019-04-02 2019-07-16 山西农业大学 A kind of electronic sea-buckthorn recovering device of oscillatory type
CN111513459A (en) * 2020-06-11 2020-08-11 嘉兴森创家居有限公司 Stable fixed and desktop angle slope is convenient for adjust desk
CN115998076A (en) * 2023-02-16 2023-04-25 广州市大郎实业有限公司 Electronic contest table
CN115998076B (en) * 2023-02-16 2024-02-23 广州市大郎实业有限公司 Electronic contest table

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