JP3776190B2 - Sliding door linkage device for furniture, etc. - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is a sliding door linkage device in furniture, etc., provided with a latch mechanism at the pulling portion of the sliding door, and further provided with a locking member at one end of the inner sliding door and the middle sliding door, in the event of an earthquake, etc. The present invention relates to a linkage device for a sliding door in furniture or the like in which the sliding door can be engaged with the main body side plate so that the sliding door is slid open and the stored items do not pop out.
[0002]
[Prior art]
In the case of conventional sliding door type furniture, there is a latch mechanism that is not generally employed unlike an open door.
Further, as a sliding door latch device for a sliding door type cabinet, there is a sliding door type sliding door provided with a latch device (see JP-A-8-189242).
[0003]
Furthermore, as a linkage device for interlocking sliding doors, the linkage device may come back and forth due to the warpage of each sliding door or the clearance before and after each sliding door. Even if the sliding doors at both ends are locked to the cabinet, the middle sliding door is a cabinet There is an interlocking device for an interlocking sliding door for a cabinet (see Japanese Patent Application Laid-Open No. 7-224579) that intentionally removes the interlocking devices at both ends of the middle sliding door to eliminate the possibility of opening the cabinet. ing.
[0004]
[Problems to be solved by the invention]
However, in the prior art, there is a danger that the sliding door slides and the stored items pop out in the event of an earthquake. In addition, in the case of three sliding doors, when locked, the one shown in the conventional Japanese Patent Laid-Open No. 7-224579 is formed with a single front piece of the U-shaped rear engaging portion in plan view. Therefore, there was a risk that if it was intentionally removed, it was easily folded and opened. Further, when the latch lever is operated so as to be pulled, the conventional technology adopts a configuration in which the latch lever moves horizontally and engages and disengages with the latch, which causes rattling.
[0005]
In view of these circumstances, the present invention provides a latch device using a pulling portion of a sliding door, and can be freely engaged and disengaged between a latch of the latch device and a latch hook provided on the main body side plate side, etc. Eliminates the risk of stored items popping out in the unlikely event that the sliding doors of the sliding doors are prevented from being moved back and forth when they are closed, increasing the anti-theft property and raising the rear engaging part to prevent deformation. It is an object of the present invention to provide a sliding door linkage device in furniture or the like in which pieces are provided and the parallel two pieces eliminate deformation and less slipping off. Further, since the latch lever is supported at one point, the support portion is rotated around the support portion, so that a constant locus is always moved, and there is no backlash.
[0006]
[Means for Solving the Problems]
The present invention employs the following technical means in order to solve the above problems. In the first aspect of the invention, the sliding door is composed of an outer sliding door, a middle sliding door, and an inner sliding door in which the lateral trajectory is gradually shifted back and forth, and is latched on the pulling portion of the outer sliding door and the inner sliding door. The latch device comprises a latch lever pivotally supported and a latch hook provided on a reinforcing portion provided on a side plate of the furniture body. The latch lever and the latch hook are engaged and disengaged. The latch lever 7 provided on the pulling part 5 provided on the outer sliding door 2 and the inner sliding door 4 is rotatably attached to the position opposite to the latch hook 10 of the mechanism for opening and closing the latch device 6 with one point support. by the rotation by the horizontal pulling operation of Ratchireba chromatography employing the technical means of performing disengaged.
[0007]
In the invention according to claim 2, the sliding door is composed of an outer sliding door, a middle sliding door, and an inner sliding door in which the traveling track in the left-right direction is gradually shifted back and forth, and is latched to the pulling portion of the outer sliding door and the inner sliding door. The latch device comprises a latch lever pivotally supported and a latch hook provided on a reinforcing portion provided on a side plate of the furniture body. The latch lever and the latch hook are engaged and disengaged. Is a latch lever that is pivotally mounted at a single point support at a position opposite to the latch hook of the mechanism for opening and closing the latch device in the pulling portion formed integrally with the latch lever provided on the outer and inner doors. The technical means of performing the pulling operation of the pulling unit united with is adopted.
[0008]
In the invention according to claim 3, in addition to the invention according to claim 1 or 2, in addition to the invention according to claim 1 or 2, the part of the inner sliding door and the middle sliding door is substantially L-shaped and partially cut and raised at a substantially central portion of one piece. The front engaging piece can be engaged with one end of the middle door and the outer door with the rear engaging piece formed at the front end of the reinforcing frame. The technical means of providing was adopted.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
In the present invention, a latch hook 10 is provided on a reinforcing portion 9 provided on the side plate 8 of the furniture body 1 so as to correspond to the pulling portions 5 of the sliding doors 2, 3, 4. The latch device 6 is provided in the concave portion of the puller portion 5 so as to be. Further, by making the shape of the latch hook 10 a special shape, when the conventional latch is pushed, the sliding doors 2, 3 and 4 move backward by the backlash, and the latch operation does not go smoothly. Since the relative left and right positions of the sliding doors 2, 3, 4 are restricted, the linkage is caused by the warpage of the sliding doors 2, 3, 4 and the abnormalities of the clearances before and after the sliding doors 2, 3, 4. The device may come off back and forth, and even if the sliding doors 2 and 4 at both ends are locked to the furniture body 1, since the middle sliding door 3 is not locked to the furniture body 1, the linkage devices at both ends of the sliding door 3 are intentionally removed. The furniture body 1 may be opened. In addition, when the interlocking sliding door is opened and closed roughly, the sliding doors 2, 3, and 4 are violently brought into contact with each other to generate noise. In order to improve this and to prevent noise, a shock absorber 16 is provided on the front portion of the forward engagement plate 13 and the L-shaped locking member 12 so as to make a violent contact when the sliding door is opened and closed. However, the noise is reduced to a very low level.
[0010]
【Example】
Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
Referring to FIGS. 1 to 5, the sliding door linkage device of the present invention will be described in detail. The latch device is provided in the pulling portion 5 of the sliding door 2 shown in FIG. 1.
[0011]
First, what is shown in FIG. 1 is a schematic perspective view of a steel sliding library which is an example of furniture. 1 is a library (furniture) body, 2 is an outer sliding door, 3 is an inner sliding door, 4 is It is an outside door.
[0012]
Next, the linkage device of the present invention will be described in detail with reference to FIGS.
An L-shaped locking member 12 is fixed to the upper part of the front surface of the rearward engagement portion 15 on the right side of the reinforcing frame 14 of the inner sliding door 3 and the inner sliding door 4 with screws or the like. This locking member 12 leaves the top and bottom, cuts and raises the center to form a U-shaped forward engagement plate 13 in plan view, and forms an opening in the inner sliding door 4 and the inner sliding door 3, A cut-and-raised piece having a U-shape in plan view passes through the opening, and a cushioning material 16 is provided on the cut-and-raised piece of the locking member 12 and the locking member 12.
[0013]
In this embodiment, as schematically shown in FIG. 1, when the three sliding doors 2, 3, 4 are unfolded to close the opening of the furniture body 1, as shown in FIG. The left rear engagement portion 15 of the sliding door 2 is engaged with the front engagement portion 13 of the middle sliding door 3 from the left side, and the left rear engagement portion 15 of the middle sliding door 3 is The front engaging portion 13 is engaged from the left.
[0014]
In this state, if the user pulls the handle 5 of the outer sliding door 2 and pulls it to the left, the rear engagement portion 15 of the outer sliding door 2 is disengaged from the front engagement portion 13 of the middle sliding door 3, and then The rearward engagement portion 15 of the sliding door 2 abuts against the right surface of the forward engagement portion 13 of the middle sliding door 3, and the middle sliding door 3 travels to the left. As shown in FIG. 3 and 4 overlap in the front and rear, and the right part of the furniture body 1 opens.
[0015]
Similarly, the furniture main body 1 in the closed state can open the left part by pulling the pulling part 5 of the inner sliding door 4 to the right.
[0016]
Each of the sliding doors 2, 3, and 4 in the state shown in FIG. 2 with the furniture body 1 opened has a rearward rearward direction of the outer sliding door 2 that travels to the right if the pulling portion 5 of the outer sliding door 2 is pulled to the right. The engaging portion 15 engages with the forward engaging portion 13 of the middle sliding door 3 so that the middle sliding door 3 also travels to the right, and the furniture body 1 is closed.
[0017]
As described above, in the present embodiment, the interlocking sliding door that closes the opening of the furniture body 1 has the rearward engagement portion 15 on the left side of the outer sliding door 2 and the middle sliding door 3 respectively, and the middle sliding door 3 and the inner sliding door, respectively. 4 is engaged with the forward engaging portion 13 from the side, so that the linkage device is not likely to come back and forth, and the occurrence of noise can be suppressed by the action of the cushioning material 16 even if it is opened and closed roughly. it can.
[0018]
In the above-described embodiment, the case where the opening of the furniture body 1 is opened and closed by the three sliding doors 2, 3, and 4 arranged close to each other in the front-rear direction has been described. It is not limited to sheets.
[0019]
Three sliding doors 2, 3, and 4 are provided symmetrically on the front surface of the furniture body 1, and the device of the present invention is provided symmetrically on the outer sliding doors 2 on both side ends.
[0020]
2 to 5 show the device of the present invention on the left side, and a recess is formed in the front part of the inner side of the prismatic columnar pillar formed in the front part of the left side plate 8 of the furniture body 1, A locking plate having locking claws protruding in a plan view mountain shape toward the front is provided at the rear part in the recess.
[0021]
The left edge of the locking claw faces in the front-rear direction, and an inclined surface is formed from the front end toward the rear inward direction.
[0022]
A pair of upper and lower bearings are fixed to the mounting plate provided at the rear left end of the sliding door at the portion facing the locking plate, and the left end portion of the engaging plate that is pivoted between the bearings and faces leftward. An engaging hole for engaging the locking claw of the locking plate is formed, and a lever facing forward is continuously provided at the right end portion. As shown in FIG. 4, the engagement plate is urged by a coil spring toward a locking position where the engagement hole can engage with the locking claw.
[0023]
A latch lever 7 that is close to and parallel to the sliding door is provided in front of the engagement plate on the left side of the sliding door so as to be rotatable left and right.
[0024]
At the left end of the latch lever 7, a connecting portion that faces rearward and abuts against the front portion of the left surface of the lever is continuously provided. Similarly, a forward-facing handle piece is provided at the right end, and the handle piece is located on the left side of the sliding door. It protrudes slightly forward from the bottomed handle frame fitted in the part.
[0025]
A fixed handpiece of the same shape and the same size parallel to the handpiece is fixed to the right of the handpiece in the handhold frame, that is, in the direction of opening the sliding door.
[0026]
In the apparatus of the present invention described above, when each sliding door is closed on the front surface of the furniture body 1, as shown in FIG. 1, the engaging hole of the engaging plate provided in the sliding door is locked by the bias of the coil spring. Since it is held in position and engaged with the locking claw of the furniture body, the sliding door will not open due to vibration or the like, and even if the sliding door is roughly closed, it will not be rebounded.
[0027]
When the handle of the pulling portion 5 of the closed sliding door is pulled to the right by hand, as shown in FIG. 2, first, the latch lever 7 is moved to the right, and the lever with which the linkage portion abuts. Is pressed to the right, and the engagement plate is rotated counterclockwise from the state of FIG. 1 to the release position as indicated by the arrow in FIG. 4 against the biasing force of the spring 11, for example, a coil spring, Since the engaging hole is detached from the locking claw of the locking plate, the other sliding door can be opened together with the sliding door.
[0028]
Each sliding door that opens the left and center of the front of the furniture body is left-handed by pulling the left-hand sliding door handle piece, fixed handle piece, or hand-hold frame to the left. Then, the left sliding door comes close to the support column, and the left end of the engaging plate comes into contact with the inclined surface inclined to the left front of the locking plate, and the engaging plate counteracts the biasing force of the coil spring. While rotating around, the left end gets over the front end of the locking claw, and the engagement hole engages with the locking claw.
[0029]
In this way, the sliding door is not rebounded by engaging the engaging hole with the locking plate. Although the illustration and description are omitted between the rightmost sliding door and the furniture body 1, the present invention device similar to the above is provided symmetrically. Further, a locking claw may be provided at the tip of the engagement plate, and an engagement hole may be provided on the locking plate side.
[0030]
Next, the second embodiment will be described in detail with reference to FIGS.
The only difference from the first embodiment is that the latch lever 7 is integrated with the puller 5 and the other components are the same.
[0031]
Here, the pulling portion 5 corresponding to the latch lever 7 of the second embodiment will be described.
As shown in FIG. 6, a latch lever 7 is formed integrally with the pulling portion 5 at the rear, and the latch lever 7 portion can be inserted into the inside of the pulling door through a hole 17 formed in the pulling doors 2 and 4. Yes. In addition, as can be understood from FIGS. 8 to 10, the puller portion 5 is rotatably supported at one point. For this reason, the protrusion 18 of the latch lever 7 formed integrally by rotating and supporting the handle portion 5 as shown by the arrow in FIG. 9 and rotating it to the center rotates the latch. Will be disengaged. By integrating in this way, the trouble of assembling the latch lever 7 to the handle portion 5 can be saved. In addition, it is less likely to rattle due to the pivoting operation with one point support compared to the one that slides like horizontal pulling.
[0032]
Next, the operation will be briefly described.
As described above, it has been described a little in the description of the configuration, but in detail based on FIG. The rear engagement portion 15 faces in the opposite direction, and the rear engagement door 13 is engaged with the front engagement portion 13 in a U-shape in plan view from the side, thereby restricting relative movement of the front and rear sliding doors in the front-rear direction. As a result, the sliding doors are less likely to come off in the front-rear direction and can be prevented from warping, and the engagement of the front and rear engaging portions can be intentionally removed from the front of the sliding doors. Can be prevented. Also, if a cushioning material is fitted around the middle of the forward engaging portion bent in a U shape in plan view, the cushioning material will not easily come off from the forward engaging portion, and this cushioning material will open and close the sliding door. The impact at the time is alleviated and the generation of noise is prevented.
[0033]
【The invention's effect】
The present invention can obtain the following effects based on the above configuration.
(1) By providing a locking member, the linkage device may be disengaged back and forth due to an abnormality in the clearance between the front and rear of each sliding door. Since the door is not locked to the furniture body, it was possible to eliminate the possibility that the furniture body could be opened by intentionally removing the linkage devices at both ends of the sliding door.
(2) Since the sliding door is locked by the latch device in the event of an earthquake or the like from a sliding door type furniture such as a storage, a storage, etc., the stored items will not pop out.
(3) Since the latch hook has a special shape, the workability is improved and the latch operation can be performed smoothly.
(4) There is very little play in the operation of the latch lever, and stable operation can be performed.
[Brief description of the drawings]
FIG. 1 is a schematic perspective view of a steel bookcase according to a first embodiment of the present invention.
FIG. 2 is a cross-sectional plan view schematically showing the closed state of the first embodiment of the present invention.
FIG. 3 is a cross-sectional plan view showing a key mechanism in the embodiment.
FIG. 4 is a schematic perspective view showing an embodiment of the pull portion and the latch hook of the embodiment.
FIG. 5 is a partial schematic explanatory view showing a relational state between the latch hook and the latch of the embodiment.
FIG. 6 is a perspective view showing an integrated handle portion and latch lever of a second embodiment of the present invention.
FIG. 7 is a cross-sectional plan view showing the relationship between a sliding door, a latch device, and a furniture body according to a second embodiment of the present invention.
FIG. 8 is a partially enlarged front view showing a state where a latch device is engaged in the second embodiment.
FIG. 9 is a partially enlarged front view showing a state where the latch device is also detached.
FIG. 10 is a partially enlarged longitudinal sectional view showing a state in which a pulling portion integrated with a latch lever is attached to the sliding door.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Furniture main body 2 ... Outer door 3 ... Intermediate door 4 ... Inner door 5 ... Puller part 6 ... Latch device 7 ... Latch lever 8... Side plate 9... Reinforcement part 10 ... Latch hook 11 ... Spring 12 ... Locking member 13 ... Forward engagement part 14 ... Reinforcing frame 15 ··· Backward engagement portion 16 ··· cushioning material 17 ··· hole 18 ··· projection portion

Claims (3)

The sliding door is composed of an outer sliding door 2, a middle sliding door 3, and an inner sliding door 4 in which the lateral trajectory is gradually shifted back and forth. The latch device 6 includes a latch lever 7 pivotally supported and a latch hook 10 provided on a reinforcing portion 9 provided on the side plate 8 of the furniture body 1. The latch lever 7 and the latch hook are provided. disengagement operations with 10 one point latch lever 7 provided in pull portion 5 provided outside引扉2 and the inner引扉4 to the position of the latching member 10 and the opposite side of the mechanism for opening and closing the latch device 6 support in mounted rotatably, link apparatus of pull differences door in furniture or the like and performing disengaged by the rotation by the horizontal pulling operation of the latch lever 7. The sliding door is composed of an outer sliding door 2, a middle sliding door 3 and an inner sliding door 4 in which the lateral trajectory is gradually shifted back and forth. A latch device 6 is provided on the pulling portion 5 of the outer sliding door 2 and the inner sliding door 4. The latch device 6 includes a latch lever 7 pivotally supported and a latch hook 10 provided on a reinforcing portion 9 provided on the side plate 8 of the furniture body 1. The latch lever 7 and the latch hook are provided. disengagement operations with 10, the position of the outer引扉2 and the inner引扉4 provided latch lever 7 formed integrally with the pull hand portion 5 of the mechanism for opening and closing of the latch device 6 latching member 10 and the opposite side A sliding door linkage apparatus for furniture or the like, wherein the latch lever 7 is pivotally attached to the latch lever 7 that is pivotally supported by one point of support and is engaged and disengaged .   One end of the inner sliding door 4 and the middle sliding door 3 is substantially L-shaped, and a partially cut-and-raised piece is formed in a substantially central portion of one piece, and a locking member 12 provided with a locking piece parallel to the other piece is directed forward. 3. The engagement piece 13 is provided so that a rearward engagement piece 15 formed at the front end of the reinforcing frame 14 can be engaged with one end of the middle sliding door 3 and the outer sliding door 2. A sliding door linkage device for the furniture described.

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