JPH076449Y2 - Door opening mechanism for cabinets, etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a mechanism for opening a door in an AV system rack or other cabinet.

[Conventional technology]

In general, AV system racks and other cabinets that are widely used have a door that closes the front opening of the main body pivotally or pivotally attached to the main body and a push latch that closes the door near the opening on the inner surface of the main body. Has been done.

By the way, in the door of the cabinet or the like, when the door is opened, the door protrudes to the front, so that the operation of the device or the like stored in the other opening of the cabinet body and the taking out of the video tape, the cassette tape, or other items to be stored. , It may interfere with storage.

Therefore, for example, in Japanese Utility Model Laid-Open No. 2-18081, a lateral vibration restricting member formed by bending a wire into a crank shape is provided at the upper edge of the door rotatably and immovably in the left and right directions. A guide plate having a guide groove extending rearward is provided on the inner surface of the side plate of each of the doors, and both ends of the lateral shake restricting member are attached to the guide grooves of the pair of guide plates, and the door is provided via the lateral shake restricting member and the guide plate. The upper end of the door is movable in the front-rear direction, and the door is rotatably supported around the upper end in a vertical closed state and a horizontal open state, and the door rotated in the open state is pulled into the main body. A door opening mechanism provided with a tension spring is described.

In addition, in Japanese Utility Model Publication No. 13-8711, a moving metal fitting is formed in the lower portion of the main body for storing a door horizontally, and is movable in the front-rear direction inside the storing portion and rotatably supports the lower end of the door. And a guide member provided on the inner surface of the side plate of the main body and having a pair of rotatably connected lever members, the front end being connected to the upper step of the door, and the rear end being the guide member. A link lever that is movable in the front-back direction is provided, and a tension spring that biases the link lever backward is provided.The upper end of the door is rotated forward around the lower end to rotate the door horizontally. There is described a door opening mechanism configured such that, when moved, the door is pulled into the storage portion and stored by the biasing force of the spring member.

[Problems to be solved by the device]

In the door opening mechanism described in the former publication, it is necessary to manually rotate the door from the closed state to the open state, the door cannot be stored in the upper part of the main body with one touch, and both ends of the lateral shake restricting member are Since each of them can independently move back and forth with respect to the guide groove, there is a problem that the door cannot be smoothly taken in and out unless the moving speeds of both end portions of the lateral shake restricting member are manually synchronized.

Further, in the door opening mechanism described in the latter publication, the door rotates to the horizontal open state due to its own weight, so it is possible to move the door into the storage portion with one touch, but the door is stored in the storage portion at the bottom of the main body. In order to store the device, a partition for partitioning the space for storing audio equipment and the storage section is required, and the main body becomes large and its structure becomes complicated.
Since the left and right moving fittings can be independently moved back and forth, there is a problem that the door cannot be smoothly taken in and out unless the moving speeds of the left and right moving fittings are manually synchronized.

An object of the present invention is to provide a door opening mechanism such as a cabinet that can store a door by utilizing a dead space in the main body, can open the door with one touch, and can smoothly take the door in and out. .

[Means for Solving the Problems]

A door opening mechanism for a cabinet or the like according to the present invention includes a box-shaped cabinet or other main body having an opening at the front, guide means provided in the inner surface depth direction from the front opening of the main body, and sliding means for the guide means. A moving bracket that is movably attached,
Storage urging means for urging the moving fitting toward the depth side of the main body,
The main body is pivotally attached to the front end of the movable fitting so as to be rotatable between a closed state in which the front opening is closed and an open state in which the front opening is opened. A door housed in the upper part of the main body and movably guided to the stored state, and a member provided near the front opening of the inner surface of the main body and for locking the free end edge of the door to hold the door in the closed state. A stop means and an opening urging means for urging the door held in the closed state toward the open state centering on the pivotal attachment portion of the door are provided.

Here, rails are provided near the upper ends of the inner surfaces of both side walls of the main body as guide means, a moving metal fitting having a roller is fitted to the rails, a push latch is used as locking means, and a main body side wall inner surface is provided. A washer in which a rotating portion having a through hole in a direction orthogonal to the rotation axis is attached to a fixed portion to be attached, a stay inserted in the through hole of the washer in a loosely fitted state, and a front end is attached to the back surface of the door, and a stay of the stay Utilizing an opening urging means having a coil spring mounted between the door and the washer and urging the door from the closed state to the open state side, the guide means is provided so as to face the left and right inner wall surfaces of the main body. A pair is provided, and the movable metal fittings are movably attached to the left and right guide means, respectively.
The left and right ends of the door are pivotally attached to the front ends of the left and right moving brackets respectively, and guide rods are provided to connect the left and right moving brackets. Synchronous moving means for synchronously moving, the rear end of which is axially mounted in the rear portion of the cabinet body, and the front end of which is a long shaft which is axially mounted on a movable bearing capable of sliding a guide rod, and half of the long link. It is a preferred embodiment to provide a synchronous moving means having a length of 1 and having a rear end axially attached to the center of the long link and a front end fixed to the guide rod.

[Action]

In the door opening mechanism of the cabinet etc. according to the present invention,
The door that opens and closes the front opening of the main body is supported via the guide means and the moving metal fitting so that the position can be switched between the closed state in which the front opening is closed and the storage state stored in the upper part of the main body. When the locking means that holds the door in the closed state is released, the opening urging means causes about 90 ° around the pivot part.
The door rotates in the rotated open state, and in the open state, the door is pulled into the main body together with the moving metal member by the storage urging means and stored. Also, the door held in the stowed state is grasped by its front end by hand, pulled out to the open state against the biasing force of the opening biasing means, and lowered from the open state against the biasing force of the stowage biasing means. It is rotated to, is locked by the locking means, and is held in the closed state.

As described above, since the opening urging means for rotating the door from the closed state to the open state is provided and the storage urging means for moving the door from the open state to the stored state is provided, the door engagement by the locking means is performed. With the one-touch operation of releasing the stop, the door held in the closed state can be automatically stored in the main body. Further, since the door is stored in the dead space in the upper part of the main body, it is not necessary to form a partition wall between the main body and the equipment stored therein, and the main body does not become large or complicated. Furthermore, since the door is efficiently moved to the housed state by the two urging means having different urging directions, it is not necessary to apply an unreasonable urging force to the door, the moving speed of the door is reduced, and the moving metal fitting is It is possible to reliably prevent a violent collision with the main body.

Here, if a rail is provided near the upper ends of the inner surfaces of both side walls of the main body as guide means and a moving fitting having a roller is fitted to the rail, the movement of the door becomes smoother.

If a push latch is used as the locking means,
The door closing and opening operations become easier.

Further, as the opening urging means, it is possible to use a simple structure having a washer, a stay and a coil spring.

Furthermore, the guide means is provided so as to face the left and right inner wall surfaces of the main body.
A pair is provided, the movable metal fittings are movably attached to the left and right guide means, respectively, and the left and right end portions of the door are pivotally attached to the front end portions of the left and right movable metal fittings, respectively, and guide rods for connecting the left and right movable metal fittings are provided. If the synchronous moving means for synchronously moving the left and right moving metal fittings in the front-rear direction along the guide means via the guide bar is provided, the door can be taken in and out more smoothly.

〔Example〕

 The details of the present invention will be described with reference to the drawings.

1 is a partially cutaway plan view of an embodiment of a door opening mechanism for a cabinet or the like according to the present invention, FIG. 2 is a partially enlarged front view of FIG. 1, and FIG. 3 is a cutaway view of a door in a closed state. A side view and FIG. 4 are cross-sectional side views with the door open.

In the figure, reference numeral 1 denotes a box-shaped cabinet main body having an opening 2 on the front surface, and at least the top plate 3, the bottom wall 4, and the side walls 5 and 5 constitute a storage portion.

Reference numeral 6 denotes a guide means provided in the depth direction of the inner surface of the cabinet body 1. In the illustrated example, a rail 7 having a substantially C-shaped cross section is embedded in the upper portion of the inner surface of the side wall 5.

Reference numeral 8 is a moving metal fitting that is guided by the rail 7 and slides in the depth direction, and has a roller 9 that is fitted to the rail 7.

The two moving fittings 8, 8 located on the left and right are connected by a guide rod 10 and are movable in synchronization with each other.

Reference numeral 11 is a reinforcing rod for connecting the moving metal fittings 8, 8.

Reference numeral 12 is a storage urging means for urging the moving fitting 8 inwardly of the cabinet body 1. For example, as shown in the drawing, the tip is attached to the guide rod 10 and the rear end is fixed to the rear of the cabinet body 1. A tension spring 13 can be used.

Reference numeral 14 denotes a synchronous moving means for stably synchronously moving the left and right moving metal fittings 8, 8, a rear end of which is pivotally attached to the rear of the cabinet body 1, and a front end of which is a movable bearing capable of sliding the guide rod 10.
Long link 16 pivotally attached to 15 and half of the long link 16
The length of the short link 17 is such that the rear end is axially attached to the center of the long link 16 and the front end is fixed to the guide rod 10.

Reference numeral 18 denotes a door, which is a plate-shaped member that closes the opening 2 of the cabinet body 1, and is attached to a mounting bracket 19 pivotally attached to the tip of the moving bracket 8 so as to be rotatable around the upper edge. Has been done.

Reference numeral 20 denotes a guide roller for guiding the door, which guides the door 18 in a state of being in contact with the back surface of the door 18.

Reference numeral 21 denotes an opening urging means for urging the door 18 in an opening direction, and a fixed portion 23 mounted on the inner surface of the side wall 5 of the cabinet body 1 is provided with a rotating portion 24 having a through hole in a direction orthogonal to the rotating shaft. A washer 22 and a stay 25 that is inserted in a through hole of the washer 22 in a loosely fitted state and has a front end pivotally attached to a mounting piece 26 attached to the back surface of the door 18, a door 18 of the stay 25, and the washer 22. The coil spring 27 is mounted between the coil springs 27 and biases the door 18 in the opening direction.

Reference numeral 28 denotes locking means provided near the opening 2 on the inner surface of the cabinet body 1, and for example, a push latch 29 having a slider 30 is used.

When the slider 30 in which the magnet is housed is used as the push latch 29, the metal plate 31 is attached to the door 18 at a position corresponding to the slider 30.

32 is a stopper provided at the rear end of the rail 7
The position of the movable fitting 8 is regulated in a state in which 18 is opened and stored in the cabinet body 1.

The embodiment of the present invention is as described above, and when the door 18 is closed, the push latch 29 is engaged so that the door 18 is closed.

If the position corresponding to the push latch 29 of the door 18 is pressed from the front side from this state, the slider 30 is unlocked and protrudes forward, and the locked state of the door 18 is released.

At this time, the door 18 is urged in the opening direction by the coil spring 27 attached to the stay 25, and rotates about the pivotal connection portion with the moving fitting 8.

Since the moving metal fitting 8 is biased rearward by the tension spring 13 and the door 18 is guided by the guide roller 20, when the door 18 is rotated 90 degrees and becomes horizontal, the door 18 is closed. Is pulled into 1.

At this time, the moving bearing 15 of the synchronous moving means 14 slides the guide rod 10 to move the left and right moving metal fittings 8 stably.

At the position where the door 18 is completely opened, the rear end of the moving fitting 8 comes into contact with the stopper 32 of the rail 7 and stops.

When the door 18 is closed, the front end of the door 18 is pulled out by hand and pivoted downward to engage with the push latch 29 to close the opening 2 of the cabinet body 1.

Various types of push latches 29 can be used, and the moving metal fitting 8, the guide means 6, the storage urging means 12,
The shapes and configurations of the synchronous moving means 14, the opening urging means 21, etc. are not limited to those of the embodiment.

[Effect of device]

According to the door opening mechanism of the cabinet and the like according to the present invention, the opening urging means for rotating the door from the closed state to the opened state is provided, and the storage urging means for moving the door from the opened state to the stored state is provided. Therefore, the door held in the closed state can be automatically stored in the main body by a one-touch operation of releasing the lock of the door by the locking means. Further, since the door is stored in the dead space in the upper part of the main body, it is not necessary to form a partition wall between the main body and the equipment stored therein, and the main body does not become large or complicated. Furthermore, since the door is efficiently moved to the housed state by the two urging means having different urging directions, it is not necessary to apply an unreasonable urging force to the door, the moving speed of the door is reduced, and the moving metal fitting is It is possible to reliably prevent a violent collision with the body etc.

Here, if a rail is provided near the upper ends of the inner surfaces of both side walls of the main body as guide means and a moving fitting having a roller is fitted to the rail, the movement of the door becomes smoother.

If a push latch is used as the locking means,
The door closing and opening operations become easier.

Further, as the opening urging means, it is possible to use a simple structure having a washer, a stay and a coil spring.

Furthermore, by providing the synchronous moving means for synchronously moving the left and right moving metal fittings in the front-back direction along the guide means, the door can be taken in and out more smoothly.

[Brief description of drawings]

1 is a partially cutaway plan view of an embodiment of a door opening mechanism for a cabinet or the like according to the present invention, FIG. 2 is a partially enlarged front view of FIG. 1, and FIG. 3 is a cutaway view of a door in a closed state. A side view and FIG. 4 are cross-sectional side views with the door open. 1: Cabinet body, 2: Opening part, 3: Top plate, 4: Bottom plate, 5: Side wall, 6: Guide means, 7: Rail, 8: Moving bracket, 9: Roller, 1
0: Guide rod, 11: Reinforcing rod, 12: Storage energizing means, 13:
Tension spring, 14: Synchronous moving means, 15: Moving bearing, 16: Long link, 17: Short link, 18: Door, 19: Mounting bracket, 20: Guide roller, 21: Opening biasing means, 22: Washer, 23 : Fixed part, 24: Rotating part, 25: Stay, 26: Mounting piece, 27: Coil spring, 28: Locking means, 29: Push latch, 30: Slider, 31: Metal plate, 32:
Stopper.

Claims (5)

[Scope of utility model registration request] 1. A main body such as a box-shaped cabinet having an opening in the front surface, guide means provided in the inner surface depth direction from the front opening of the main body, and a movable metal fitting slidably attached to the guide means. A storage urging means for urging the moving fitting toward the depth side of the main body, and rotatably movable between a closed state in which the front opening of the main body is closed and an open state in which the front opening is opened. A door that is pivotally attached to the front end of the metal fitting and is movably guided through the guide means and the moving metal fitting from the open state to the stored state stored in the upper part of the main body; and a door provided near the front opening of the inner surface of the main body. Locking means for locking the free end edge of the door to hold the door in a closed state, and opening for urging the door held in the closed state toward the open side around the pivotal attachment portion of the door A means such as a cabinet characterized by including an urging means, Door opening mechanism. 2. A cabinet or the like according to claim 1, wherein a rail is provided near the upper ends of the inner surfaces of both side walls of the main body to serve as guide means, and a moving metal fitting having a roller is fitted to the rail. Door opening mechanism. 3. A door opening mechanism for a cabinet or the like according to claim 1 or 2, wherein a push latch is used as the locking means. 4. A washer having a rotating portion having a through hole in a direction orthogonal to a rotating shaft attached to a fixed portion attached to an inner surface of a side wall of a main body, and a washer inserted through the through hole of the washer in a loosely fitted state, and a front end thereof is a door. Claims for utility model registration utilizing an opening urging means having a stay mounted on the back surface and a coil spring mounted between the door of the stay and the washer to urge the door from the closed state to the open state side. A door opening mechanism for a cabinet or the like according to any one of items 1 to 3. 5. A pair of said guide means are provided on the left and right inner wall surfaces of the main body so as to face each other, said movable fittings are movably attached to said left and right guide means, respectively, and the left and right ends of the door are the front ends of the left and right movable fittings. A synchronous moving means for pivotally connecting the left and right moving fittings to each other and connecting the left and right moving fittings with each other in the front-rear direction along the guide means. A long link in which a shaft is pivotally mounted in the rear part of the cabinet body, and a front end is pivotally mounted on a moving bearing capable of sliding a guide rod, and the length is half the length of the long link, and the rear end is a long link. 5. A utility model registration claim according to any one of claims 1 to 4, characterized in that there is provided a synchronous movement means comprising a short link which is axially attached to the center of the and whose front end is fixed to the guide rod. Door opening mechanism for cabinets, etc.