KR200464188Y1 - apparatus to open and close the drawer - Google Patents

apparatus to open and close the drawer Download PDF

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Publication number
KR200464188Y1
KR200464188Y1 KR2020110005605U KR20110005605U KR200464188Y1 KR 200464188 Y1 KR200464188 Y1 KR 200464188Y1 KR 2020110005605 U KR2020110005605 U KR 2020110005605U KR 20110005605 U KR20110005605 U KR 20110005605U KR 200464188 Y1 KR200464188 Y1 KR 200464188Y1
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KR
South Korea
Prior art keywords
drawer
opening
closing
thrust
restoring force
Prior art date
Application number
KR2020110005605U
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Korean (ko)
Inventor
유상현
Original Assignee
유상현
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Priority to KR2020110005605U priority Critical patent/KR200464188Y1/en
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Publication of KR200464188Y1 publication Critical patent/KR200464188Y1/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
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/47—Actuated drawers operated by mechanically-stored energy, e.g. by springs having both self-opening and self-closing mechanisms which interact with each other
    • 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
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/50—Safety devices or the like for drawers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)

Abstract

The present invention relates to a drawer opening and closing device that allows the drawer to be opened and closed easily and very stably with a single driving force without a separate handle.
Disclosed is a drawer opening and closing device having a fixed rail on a main body side of a drawer cabinet having a plurality of drawers and a movable rail on left and right plates of drawers; The main body of the drawer cabinet installed in multiple stages is provided with opening and closing bodies having first and second fingering sections, opening and closing channels and rotation thrust elements, and the front thrust plate of the corresponding drawer is fitted with a rotation thrust element or caught therefrom. When the drawer is pushed to close the drawer while the drawer is open, the locking piece and the roller are engaged with the opening / closing channel and the rotation stop element, respectively. When the drawer is closed in a stable state and pushes and releases the drawer once again to open the drawer, the second thrust portion elasticity is released while the catching member and the roller of the rotation thrust element are released from the opening and closing channel and the rotation stopping element. By pushing the drawer backward by the restoring force, the drawer is kept open.
In this way, the drawer can be opened and closed easily and very stably with a single thrust without having a separate handle.

Description

Drawer opening {apparatus to open and close the drawer}

The present invention is, for example, furniture for easily opening or closing a drawer having a number of specifications, such as desks, doors, chests, drawers, etc., with the push-pull principle, which is provided with a front and rear entrance and exit. The drawer opening and closing device, and more particularly, the drawer is smoothly switched to the retracted open position and the retracted closed position with respect to the main body of the furniture by a single thrust (PUSH) without a separate handle, It relates to a drawer opening and closing device that can be opened and closed very stably regardless of size and weight.

In general, furniture such as desks, door locks, chests of drawers, cabinets, etc. are provided with at least one or multi-stage drawers for storing clothes or other household items by type.

In addition, for smooth opening and closing of the drawer, a drawer rail is mainly used, and the drawer rail is composed of a movable rail attached to both sides of the drawer and a fixed rail attached to inner walls of both sides of the furniture main body, and the movable rail is fixed. The drawer is opened or closed from the furniture body by sliding forward and backward along the rail, and at least one handle is separately coupled to the front of the drawer to open and close it.

However, such drawers for furniture have the advantage of being smoothly opened or closed from the main body by the movable rail and the fixed rail, but since the handles protrude in all directions, infants or small children may inadvertently hit their heads with the handles due to carelessness. In addition to the occasion of wearing, there was an inconvenience in that the user had to manually open and close the drawer by holding the handle of the drawer and pulling or pushing it to open and close the drawer. Also, due to the handle coupled to the front of the drawer, the appearance was not beautiful. I have a problem.

To this end, a drawer opening and closing device for automatically opening or closing a furniture drawer using electrical energy has recently been implemented in various forms.

In general, as an example of such a conventional drawer opening and closing device, the specification of Korean Utility Model No. 427859 discloses a structure that enables the opening and closing of the drawer for furniture to be electrically operated to automatically open or close the drawer. have.

According to the specification of the above-mentioned domestic registered utility model No. 427859 (name: automatic opening and closing device of the drawer), the motor installed on the back of the drawer, the first pinion gear coaxially connected with the motor, and the first pinion gear An interlocking first belt gear, a second pinion gear meshed with the first belt gear and installed in front of the drawer, a drive gear coaxially connected to the second pinion gear, and a guide panel installed under the drawer side plate; And a gear fixing panel surrounding the first and second pinion gears and the first belt gear and fixed to the drawer case side plate, and a second belt gear provided on the guide panel and engaged with the driving gear. I am doing it.

However, the drawer's automatic opening and closing device technology can automatically open and close the drawer through a motor, a plurality of pinion gears, a first belt gear, a drive gear, and a second belt gear installed under the drawer side plate without a separate handle. Although there is an advantage that the number of components of the switchgear is not only complicated structure, the frequency of malfunction or failure according to the electric type is high, in particular, since the components take up a lot of storage space of the furniture body, according to the specification Since the size of the drawer must be made to be smaller than the storage space of the furniture body to be manufactured, there is a problem in that the storage space of the drawer is narrowed.

In addition, by using expensive parts such as a motor and a plurality of gears to open and close the drawer, not only the production cost of the furniture is increased but also the structure is complicated, the fastening work takes a long time, and the workability is not good, thereby reducing productivity. There was a problem.

In addition, every time the drawer is opened and closed, power consumption is generated. The heavier the drawer, the more the load is consumed and the more power is consumed. In particular, in the case of such an electric switchgear, the drawer is forcibly opened or opened as needed. The drawer must be closed forcibly, which causes a problem of component burnout.

In the conventional case, while recognizing the above-mentioned problems, it is not possible to prepare a specific countermeasure.

Accordingly, the present invention was conceived under the above-mentioned background, and an object of the present invention is to allow the drawer to be smoothly switched to an open position in a reverse state with respect to the main body of the furniture with a single thrust, It provides a drawer opening and closing device that can be opened and closed very stably and that the closed state remains very stable when the drawer is closed, which draws the drawer of a drawer in multiple stages. When the drawer is pushed to close, the drawer is pushed slightly to release the drawer. When the drawer is pushed and released, the rotary thrust element coupled to the drawer's main body is coupled to the drawer's front panel by the elastic restoring force of the rugged portion such as a spring. Rotate the drawer out of the pivoting stop element to keep it closed By being pushed to a donor is obtained.

Another object of the present invention is to provide a drawer opening and closing device for shortening the working time and improving productivity by minimizing the production cost according to the simplification of the structure. First and second reinforcing members having elastic restoring force on both side walls of the drawer main body installed in multiple stages, an opening and closing channel for switching the opening and closing by the elastic restoring force of the first fingering part, and the second holding part according to the switching of the opening and closing A pivot thrust element that pivots by an elastic restoring force to push the drawer to the retracted open position, and the pivot thrust elements are fitted to or hung from both ends of the front plate of the drawer corresponding thereto. This is achieved by providing a guided stopping element.

Further objects of the present invention will become more apparent from the following detailed description and the accompanying drawings.

According to the drawer opening and closing device according to the present invention for achieving the above objects, in the drawer opening and closing device having a fixed rail on the body side of the drawer cabinet having a plurality of drawers, and movable rails on the left and right plates of the drawers ; A rotating stop element of “U” cross-section type that is secured with a locking guide piece and a locking groove on both sides of the front plate of the drawer; An opening-and-closing body having an open portion formed at a front surface thereof and coupled to a housing having a wing formed thereon to be fixed to correspond to both side walls of the main body of the drawer; A first fingering part inserted into a first pivotal shaft formed in the opening and closing body to impart an elastic force in a compressed and original state according to opening and closing of the drawer; An opening / closing channel rotatably fitted to the first pivotal shaft to rotate clockwise and counterclockwise by compression and elastic restoring force of the first finger section to switch the drawer to an open position and a closed position by one thrust; ; A second tungsten part inserted into a second pivotal shaft formed at one side of the opening of the housing to impart an elastic force in a compressed and original state according to opening and closing of the drawer; And a roller and a locking piece at both ends to be rotatably fitted to the second pivotal shaft so that the roller and the locking piece are respectively connected to the rotation stop element and the opening and closing channel while compressing the first and second finger parts when the drawer is closed. When the latch is held and the drawer is opened, the fan-shaped cross section which pushes the drawer backward by the elastic restoring force of the second finger portion while the catching piece and the roller are released from the opening and closing channel and the rotation stop element. It includes the rotational thrust element of the mold.

Optionally, the opening and closing channel includes a pivoting portion whose one end is pivotably fitted to the first pivotal shaft and rotated by compression and elastic restoring force of the first fingering portion; The rotating part is formed with an insertion hole and a locking jaw so that the other end thereof is cut off so that the engaging piece of the rotating thrust element is inserted and caught; The inside of the locking jaw is characterized in that the extended guide portion is guided to guide the outside, the engaging piece of the rotation thrust element.

In this way, the main body of the drawer is provided with an opening body having a first and a second stopper portion and the opening and closing channel and the rotational thrust element, and the rotational thrust element is fitted to or caught from the front plate of the drawer corresponding thereto. When the drawer is pushed to close the drawer while the drawer is open, the locking piece and the roller are engaged with the opening / closing channel and the rotation stop element, respectively. When the drawer is closed in a stable state and pushes and releases the drawer once again to open the drawer, the second thrust portion elasticity is released while the catching member and the roller of the rotation thrust element are released from the opening and closing channel and the rotation stopping element. By pushing the drawer backwards by the restoring force, the drawer remains open, whereby The advantage is that the lob can be opened and closed stably.

According to the drawer opening and closing device of the present invention, the rotating thrust element coupled to the main body of the drawer, the first and second stops, combined with the opening and closing channel and the front plate of the drawer without installing a separate handle to the drawer By the interaction of the drawer can open and close the drawer simply and very stably with a single thrust, it is possible to fully save the appearance characteristics of the drawer by eliminating the handle, but also contribute to cost reduction.

In addition, the structure is simple, not only malfunction does not occur when opening and closing the drawer, there is an effect that the productivity is improved by shortening the fastening operation time.

1 is a perspective view showing a state in which a drawer cabinet and a drawer in which the present invention is implemented are separated,
Figure 2a to 2d is a cross-sectional view showing the operating state of the drawer opening and closing device when opening the drawer in the drawer of Figure 1,
3A to 3D are cross-sectional views illustrating an operation state of the drawer opening and closing device when the drawer of FIG. 1 is closed again when the drawer of FIG. 1 is opened.

Hereinafter, a preferred embodiment of the drawer opening and closing device according to the present invention with reference to the accompanying drawings will be described in detail.

As shown in FIGS. 1 to 3, the drawer opening and closing apparatus according to the present embodiment includes a fixed rail 60a fixed in parallel to the left and right inner walls of the main body 60 of the drawer cabinet and the main body 60. The movable rail 70a which is fixed in parallel to the left and right plates of the drawer 70 provided in multiple stages and moves horizontally along the fixed rail 60a of the main body 60, and the front plate 72 of the drawer 70. The U-shaped cross-sectional rotation stop element 40 fixed at both ends and the housing 52 having an opening portion formed at the front side and a wing 52a formed at the upper side thereof are connected to both walls of the main body 60 of the drawer cabinet. It is fitted to the opening and closing body 50 of the enclosure-type corresponding to the fixed and the first rotating shaft 16 formed in the opening and closing body 50 to provide an elastic restoring force in the original state in compression and originality according to the opening and closing of the drawer 70 The first finger portion 20 and the first pivot shaft 16 of the opening / closing main body 50 are pivotally fitted to the compression and elastic restoring force of the first finger portion 20. And the opening and closing channel 30 which rotates clockwise and counterclockwise to switch the drawer 70 to the open position and the closed position by one thrust, and a second pivot formed on one side of the opening of the housing 52. The second stopper portion 20a which is fitted into the 18 and imparts elastic restoring force in a compressed and original state in accordance with the opening and closing of the drawer 70, and is rotatably fitted in the second pivot shaft 16 of the housing 52; As the drawer 70 is opened and closed, the first and second stoppers 20 and 20a are compressed and fitted into the rotation stop element 40 and the opening / closing channel 30, respectively, to hold or release the jam. It consists of a combination of the rotational thrust element 10 to open and close (70).

At this time, the rotation stop element 40 fixed to the front plate 72 of the drawer 70 is made of metal or synthetic resin, the holding and locking with the rotation thrust element 10 of the main body 60 side of the drawer cabinet It is made of "U" cross-sectional shape for release. The rotation stopping element 40 of the “U” cross section has a locking guide piece 40a and a locking groove 40b so that the roller 12 of the rotational thrust element 10 to be described later is fitted in the sliding motion. Have

One end of the opening / closing channel 30 in the opening / closing main body 50 is cut and has an insertion hole 32a and a locking jaw 32b, and an extension guide part 32c is located inside the locking jaw 32b. It includes a rotating part 32 is formed.

The rotating part 32 has a structure in which the other end thereof is fitted to the first rotating shaft 16 of the opening and closing body 50 to be rotated by the elastic restoring force of the first fingering part 20.

On the other hand, the rotating thrust element 10 is inserted into the opening and closing channel 30 and the rotation stop element 40 described above, or is released from the release to remove the locking thrust element 10 is made of a fan-shaped cross-section, such a rotary thrust element of the fan-shaped cross-section 10, the roller 12 is rotatably protruded at the distal end thereof, and the locking piece 14 is protruded at the rear end corresponding thereto.

The pivot thrust element 10 having the structure as described above is pivotally fitted to the second pivot 18, wherein the first and second fingerings 20 are closed when the drawer 70 is closed. While compressing the roller 20a, the roller 12 and the locking piece 14 are inserted into the locking groove 40b of the rotation stop element 10 and the insertion hole 32a of the opening / closing channel 30, respectively. When the locking piece 14 and the roller 12 are released from the locking jaw 32b of the opening / closing channel 30 and the locking guide piece 40a of the rotation stop element 40 is released, the second finger portion ( The elastic restoring force of 20a acts to push the drawer 70 backward.

The present invention having the structure as described above will be described in detail below with reference to FIGS. 2A to 2D and 3A to 3D when the drawer is opened and closed in the installed state as shown in FIG. 1.

First, to push the front plate 72 of the drawer 70 slightly to release the drawer 70 in a state in which the drawer 70 is closed in the main body 60 of the drawer, the drawer 70 draws the drawer. It is opened from the main body 60 of. That is, as shown in FIG. 2A, the locking piece 14 of the rotational thrust element 10 is caught by the locking step 32b of the rotation part 32 configured in the opening and closing channel 30 to maintain the drawer 70 closed. When the front plate 72 of the drawer 70 is pushed a little further to open the drawer 70 in the present state, as shown in FIG. 2B, the locking piece 14 of the rotational thrust element 10 is formed of the rotating part 32. In addition to being pushed further into the locking jaw (32b) it is pushed further along the expansion guide (32c). At this time, the second tungsten portion 20a fitted to the second pivot shaft 18 of the housing 52 is in a compressed state by the rotation of the pivot thrust element 10 according to the thrust of the drawer 70.

When the front plate 72 of the drawer 70 pressed in such a state is released, as shown in FIG. 2C, the engaging piece 14 of the rotation thrust element 10 moves the expansion guide part 32c of the rotation part 32. By pushing outwardly the pivoting portion 32 which is elastically supported by the first fingering portion 20 such as a spring while moving along, the locking piece 14 of the pivoting thrust element 10 interferes with the pivoting portion 32. 2d, the locking is released to the outside through the insertion hole (32a) without receiving, the roller 12 of the rotary thrust element 10 also the locking groove of the rotation stop element 40 of the drawer 70 side The rotational thrust element 10 is removed by the elastic restoring force of the second fingering part 20a which has been detached from the 40b and the locking guide piece 40a and fitted to the second pivot shaft 18 of the housing 52 and compressed. By instantaneous rotation about the second pivot shaft 18, the roller 12 pushes the drawer 70 strongly rearward, thereby The movable rail (70a) of the drawer 70 is opened as shown in Figure 2d along the fixed rail (60a) of the drawer body 60.

And the rotating part 32 of the opening and closing channel 30 pushed outward by the locking piece 14 of the rotational thrust element 10, the locking piece 14 of the rotational thrust element 10 is outward and the roller ( 12) is released from the rotation stop element 10 and at the same time is returned to its original position by the elastic restoring force of the first finger portion 20, such as a spring.

In this way, by pulling the front plate 72 of the drawer 70 while the drawer 70 is slightly open, the drawer 70 is completely opened.

In addition, as shown in FIG. 2D, when the drawer 70 is pushed and closed again in the state where the drawer 70 is opened from the main body 60 of the drawer cabinet, the rotation stop element 40 on the drawer 70 side is closed. As shown in Figure 3a, to push the roller 12 protruding to the front end of the rotational thrust element 10, wherein the rotational thrust element 10 is centered around the second pivot 18 of the housing 52 While rotating, the second finger portion 20a is compressed, and the roller 12 of the rotation thrust element 10 is rotated by the locking guide piece 40a of the rotation stop element 40, as shown in FIGS. 3B and 3C. While being inserted into the locking groove 40b is caught by the locking guide piece (40a).

The locking piece 14 of the rotational thrust element 10 also pushes the pivoting portion 32 of the opening / closing channel 30 in the rearward direction in accordance with the rotation of the rotational thrusting element 10. As shown in FIG. 3D, the insertion state is caught by the locking projection 32b, and thus the closed state of the drawer 70 is maintained very firmly.

On the other hand, as a comparative example, the conventional technology, that is, by using expensive components such as a motor and a plurality of gears to open and close a drawer, increases the production cost and reduces the productivity according to the delay of the fastening work time. Unlike requiring malfunction and power consumption according to the present invention, the present invention includes an opening and closing body having first and second finger portions and an opening and closing channel and a rotation thrust element in the drawer cabinet body, and corresponding front plates of the drawers. It can be seen that the rotational thrust element is fitted with a rotation stop element that is inserted or caught from the lock release to guide the rotation, the drawer can be easily opened and closed with a single thrust.

As a result, according to the present invention, the drawer can be opened and closed easily and very stably without requiring a separate handle or electric power, and there is an advantage that productivity can be improved while minimizing the production cost due to the simplification of the structure. will be.

In addition, although specific embodiments of the present invention have been described and illustrated above, it is obvious that the present invention may be variously modified and implemented by those skilled in the art.

Such modified embodiments should not be individually understood from the technical spirit or the prospect of the present invention, and such modified embodiments shall fall within the appended utility model registration claims of the present invention.

10: rotation thrust element 12: roller
14: engaging piece 16, 18: first and second rotational shaft
20, 20a: second, second finger portion 30: opening and closing channel
32: rotating part 32a: insertion part
32b: locking jaw 32c: extension guide
40: rotation stop element 40a: jam guide
50: opening and closing body 60: the body of the drawer
70: drawer 72: front panel

Claims (2)

In the drawer opening and closing device having a fixed rail on the body side of the drawer cabinet having a plurality of drawers, and movable rails on the left and right plates of the drawers;
A rotating stop element of “U” cross-section type that is secured with a locking guide piece and a locking groove on both sides of the front plate of the drawer;
An opening-and-closing body having an open portion formed at a front surface thereof and coupled to a housing having a wing formed thereon to be fixed to correspond to both side walls of the main body of the drawer;
A first tungsten part inserted into a first pivotal shaft formed in the opening and closing body to impart an elastic restoring force in a compressed and original state according to opening and closing of the drawer;
An opening / closing channel rotatably fitted to the first pivotal shaft to rotate clockwise and counterclockwise by compression and elastic restoring force of the first finger section to switch the drawer to an open position and a closed position by one thrust; ;
A second tungsten part inserted into a second pivotal shaft formed at one side of the opening of the housing to provide compression and elastic restoring force to an original state according to opening and closing of the drawer; And
The roller and the locking piece are respectively fitted to the rotation stopping element and the opening / closing channel while compressing the first and second finger parts when the drawer is closed. When the latch is held and the drawer is opened, the fan-shaped cross-section that pushes the drawer rearward by the elastic restoring force of the second finger portion while the latch piece and the roller are released from the opening and closing channel and the rotation stop element. Rotating thrust element of; Drawer opening and closing device comprising a. The method according to claim 1,
The opening / closing channel includes a rotatable portion whose one end is rotatably fitted to the first pivotal shaft and rotated by compression and elastic restoring force of the first finger portion;
The rotating part is formed with an insertion hole and a locking jaw so that the other end thereof is cut off so that the engaging piece of the rotating thrust element is inserted and caught;
Drawer opening and closing device is characterized in that the inner side of the locking step is formed with an extension guide to guide the engaging piece of the rotational thrust element to be guided outward.
KR2020110005605U 2011-06-21 2011-06-21 apparatus to open and close the drawer KR200464188Y1 (en)

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KR2020110005605U KR200464188Y1 (en) 2011-06-21 2011-06-21 apparatus to open and close the drawer

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200486921Y1 (en) * 2018-01-18 2018-07-13 김영배 device for assisting drawer in opening and closing with self automatic closing function

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100577422B1 (en) 2003-12-11 2006-05-08 삼성전자주식회사 Storage cabinet

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100577422B1 (en) 2003-12-11 2006-05-08 삼성전자주식회사 Storage cabinet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200486921Y1 (en) * 2018-01-18 2018-07-13 김영배 device for assisting drawer in opening and closing with self automatic closing function

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