JP2002357037A - Latch device for furniture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a latch device for furnitures capable of easily executing drawing operation of a drawer at one touch. SOLUTION: A movable handle member 8 capable of reciprocating in the longitudinal direction is provided to the drawer 2 openable to a cabinet body 1, a latch body 15 detachable to an engaging projection 13 of the cabinet body 1 is set inside of a panel board of the drawer 2 so that it is capable of pivoting around the longitudinal axis and that it is energized in an engaging direction (in the direction of the arrow B), and when the movable handle member 8 is slidden in the front direction (in the direction of the arrow A), the movable handle member 8 is related to the latch body 15 through an engaging lever 20 so that the latch body 15 is pivoted in the direction of the release of the engagement (in the direction of the arrow C).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a latch device provided on a movable body such as a drawer or a door which can be opened and closed with respect to a furniture body such as a cabinet or a locker.
The handle member provided on the moving body is configured to be reciprocable or rotatable in the opening and closing direction of the moving body, and is engaged with the furniture main body in conjunction with the movement or rotation of the handle member in the opening direction. The present invention relates to a structure for releasing a biased latch body.

[0002]

2. Description of the Related Art Generally, a drawer that can be opened and closed with respect to a furniture body such as a cabinet or a locker is provided with a latch device for holding the furniture in a state of being pushed into the furniture body so as to be detachable. It is configured so that it does not inadvertently jump out of the camera. In this type of latch device, the configuration for releasing the latch body engaged with the furniture main body, even when the handle member rotatably provided in the drawer is vertically rotated in any direction, for example, It is described in Japanese Utility Model Publication No. 6-3922.

In this example, a hollow handle member having a front opening is provided so as to be vertically rotatable in a recess formed in the end plate of the drawer, while a latch body which is engaged with and disengaged from the furniture body is rotated in the drawer. Arranging the handle member and the latch claw in conjunction with the upward and downward rotation of the handle member so that the latch claw is disengaged from the furniture main body. The latch claw is disengaged from the furniture main body and the drawer can be pulled out even if a finger is inserted into the handle member in any of up and down directions.

[0004]

However, in the structure of the prior art, in order to pull out the drawer, a finger inserted into the handle member is used to rotate the handle member upward or downward while moving the handle upward. Since the user has to perform the operation of pulling, there is a problem that the drawer operation cannot be executed with one touch, which is troublesome.

In addition, since the structure for interlocking the handle member and the latch claw is considerably complicated, not only the manufacturing cost is increased, but also due to the complexity of the structure, the latch claw is attached to the furniture body. Therefore, there is also a problem that a failure such as disengagement cannot easily be caused. An object of the present invention is to provide a latch device that solves the above problems.

[0006]

In order to achieve this technical object, a latch device according to the present invention is provided on a moving body such as a drawer or a door which can be opened and closed with respect to the furniture body. A handle member that can reciprocate in the opening and closing direction is provided, and the movable body biases a latch body that is engaged with and disengaged from the locking portion of the furniture body around its axis and in the engaging direction. The gripping member and the latching body are interlocked with each other so that the latching body rotates in the disengaging direction when the gripping member is moved in the opening direction of the moving body. It is related through.

According to a second aspect of the present invention, there is provided the latch device, wherein a movable member such as a drawer or a door which can be opened and closed with respect to the furniture main body is provided with a handle member which is rotatable in the opening and closing direction of the movable body. In the, a latch body that is engaged and disengaged with the locking portion of the furniture body,
The latch member is arranged to be rotatable about its axis and to be urged in the engaging direction, and when the grip member is rotated in the opening direction of the moving body, the latch body rotates in the disengaging direction. The handle member and the latch body are associated via an interlocking mechanism so as to move.

According to a third aspect of the present invention, in the latch device according to the first or second aspect, the latch body includes an operating body extending in a direction intersecting the axis thereof, and one end or both ends of the handle member. The portion includes a pressing body extending substantially parallel to the operating body, and the interlocking mechanism includes a rotating shaft extending in a direction intersecting the axis of the latch body, and a radial direction extending from the rotating shaft. A first arm portion protruding outward and abutting or approaching the pressing body, and a second arm portion protruding radially outward from the rotating shaft portion and abutting or approaching the operating body are formed. When the gripping member is moved or rotated in the opening direction of the moving body, the pressing body presses the first arm portion, and the interlocking rod rotates around the rotation shaft. Moving the second arm portion forward. Presses the operating body, is that constituted so as to rotate the latch member in the disengaging direction.

According to a fourth aspect of the present invention, in the latch device according to the second aspect, the latch body includes an operating body extending in a direction intersecting the axis of the latch body, and one end of the handle member has A pressing body extending substantially parallel to the operating body, the interlocking mechanism includes a pivot portion extending substantially parallel to the axis of the latch body, and an arm portion projecting to both sides with the pivot portion interposed therebetween. When the handle member is rotated in the opening direction of the moving body, the pressing body presses the one arm portion, and the transmission rod is rotated around the pivot shaft portion. By doing so, the other arm portion presses the operating body to rotate the latch body in the disengagement direction.

Further, according to a fifth aspect of the present invention, in the latch device according to the fourth aspect, the handle member is pivotally attached to the movable body so that a base end thereof is rotatable in the opening and closing direction. Separated into two finger hanging members, so that the tip portions of these two finger hanging members reciprocate in the opening and closing direction of the moving body,
The tip of the one finger hook member is pivotally connected to the tip of the other finger hook member in a rotatable manner.

According to a sixth aspect of the present invention, a moving member such as a drawer or a door which can be opened and closed with respect to the furniture body is provided with a handle member which can reciprocate or rotate in the opening and closing direction of the moving object. A latch member that is engaged with and disengaged from a locking portion of the furniture main body, is disposed on the movable body so as to be rotatable around its axis and urged in an engaging direction; The handle member and the latch member are directly associated with each other such that when the member is moved or rotated in the opening direction of the moving member, the latch member rotates in the disengagement direction.

According to a seventh aspect of the present invention, in the latch device according to the sixth aspect, the latch body includes an operating body extending in a direction intersecting the axis thereof, and is provided at one end or both ends of the handle member. Is provided with a pressing body extending substantially parallel to the operating body, and when the handle member is moved or rotated in the opening direction of the moving body, the pressing body presses the operating body, The latch body is configured to rotate in the disengagement direction.

[0013]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 8 show a first embodiment of the present invention. More specifically, a latch device according to the present invention is applied to a drawer 2 of a cabinet. The cabinet of the first embodiment is provided with a plurality of vertically arranged drawers 2 as a movable body that can slide back and forth within a cabinet body 1 made of a metal plate having a front opening (in FIG. 1, the uppermost drawer is shown). 2
Only shown).

The drawer 2 includes a substantially rectangular end plate 4 as viewed from the front, and a tray 3 having an open top surface attached to the back surface of the end plate 4. As shown in FIG. 2, the end plate 4 is made of a synthetic resin front plate 23 having a surrounding wall 23a integrally formed therearound.
And a metal back plate 24 attached to the back side of the front plate 23.
And are formed in a hollow shape. A latch claw 14 of a latch body 15 extending along the left side plate of the tray 3 projects rearward from a mounting portion 17 formed in a left side portion of the surrounding wall 23a in a front view.

Next, the configuration of the latch device according to the first embodiment will be described. As shown in FIGS. 1 to 5, the recess 5 is formed in a substantially central portion on the left and right sides of the front plate 23. The recess 5 is formed on the surface (front surface) of the front plate 23 at a position facing the recess 5. Are fixed by screws 7, 7 so that the fixed pull member 6 in the left and right direction crosses the pull recess 5. A pair of upper and lower guide pieces 9 a and 9 b are provided at both left and right end portions of the inner surface (back surface) of the fixed pull member 6 so as to protrude into the pull recess 5.

A movable pulling member 8 as a gripping member slides in the pulling recess 5 in the front-rear direction (opening / closing direction of the drawer 2) in a state of being fitted between a pair of upper and lower guide pieces 9a and 9b. Mounted as possible. In this case, support pieces 8a, 8b as pressing members projecting right and left outward from both left and right end portions of the movable pull member 8 are inserted into front and rear longitudinal guide holes 25, 25 formed in the left and right inner surfaces of the pull recess 5. Respectively, the movable pull member 8 is configured to be slidable back and forth.
(See FIGS. 2 and 3).

A guide pin 10 projecting upward from the upper surface of the movable pull member 8 is fitted into a longitudinal slot 11 formed in each of the upper guide pieces 9 a of the fixed pull member 6. Thereby, the stroke of the front and rear sliding of the movable pull member 8 is regulated, and the movable pull member 8 is stably supported. The inner surface of each upper guide piece 9a is provided with an inclined groove 12 for easily fitting the guide pin 10 of the movable pull member 8 into the long groove hole 11 of the upper guide piece 9a (FIGS. 2 and 5). 5).

Next, the configuration of the latch body 15 will be described. As shown in FIGS. 2 and 7, the surrounding wall 23a is viewed from the front.
A latch body 15 made of a synthetic resin or a steel plate is rotatably disposed around a longitudinal axis 26 (see a dashed line in FIGS. 3 and 7) at a position of an attachment portion 17 formed on the left side of the bracket. Have been.

The latch body 15 has a hole-like engagement for hooking on an engagement protrusion 13 as an engagement portion protruding inwardly on the left inner surface of the cabinet body 1 on the side surface of the round shaft-shaped body portion 27. The latch claw 14 having the portion 14a, the spring piece 18 in the shape of a curved plate, and the contact piece 19 extending substantially horizontally toward the handle recess 5 are integrally formed (FIGS. 2 and 3). 6 and 7).

An upper shaft support 28 having an outer diameter smaller than the outer diameter of the body 27 is integrally formed on the upper end surface of the body 27. A square hole-shaped fitting hole 1 is provided on the upper end surface of the upper shaft support portion 28.
5a is drilled. Also, on the lower end surface of the trunk 27,
A lower shaft support portion 29 having an outer diameter smaller than the outer shape of the body portion 27 is integrally formed. The lower shaft support 29 has a substantially L-shaped second
The contact piece 39 is attached so as to rotate around the shaft 39a integrally with the latch body 15 (see FIGS. 3 and 7). In the second contact piece 39, a horizontal portion 39b extending in the horizontal direction from the shaft portion 39a is set so as to be substantially perpendicular to the longitudinal axis 26 of the latch body 15.

The contact piece 19 and the second contact piece 39 correspond to the actuating body described in the claims, but in the latch device according to the present invention, the contact piece 19 and the second contact piece 39 are provided. At least one of them may be provided in the latch body 15.

On the other hand, as shown in FIGS. 2, 3 and 7,
At the location of the mounting portion 17 on the surrounding wall 23a, a substantially rectangular cylindrical latch case 16 having an open right side is detachably mounted. The upper and lower plate portions of the latch case 16 have right-opening bearing holes 16 for rotatably supporting the upper and lower shaft supports 28 and 29 of the latch body 15, respectively.
a, 16a are formed.

A notch 30 is formed in the rear plate of the latch case 16 in the form of a rightward opening. The notch 30 is formed with a pair of upper and lower grooves 16b, 16b, and a claw piece 16c is formed in the left edge by cutting.

In this case, a pair of upper and lower grooves 16b, 16b of the latch case 16 are fitted into upper and lower inner edges 17a, 17a of a mounting portion 17 formed in the surrounding wall 23a of the front plate 23, respectively. The latch case 16 is detachably attached to the surrounding wall 23a by fitting the claw piece 16c into an engaging hole 17b formed in the surrounding wall 23a.

The upper bearing hole 16 of the latch case 16
a of the latch body 15 into the lower bearing hole 32 of the latch case 16.
5, the lower shaft supporting portion 29 is pushed in and inserted, so that the latch body 15 rotates around the body portion 27 with respect to the front plate 23, that is,
It is pivotally supported about a vertical axis 26.

As shown in FIG. 2 and FIG.
The spring piece 18 formed integrally with the front plate 23 is set such that the tip end thereof comes into contact with the inner surface (back surface) of the front plate 23. Therefore, the hole-shaped engaging portion 14a of the latch claw 14 is always spring-biased so as to engage with the engaging protrusion 13 of the cabinet body 1 (the direction of arrow B in FIG. 2).

The latch claw 14 may be provided with a claw-shaped engaging portion so as to engage with a hole-shaped engaging portion as a locking portion of the cabinet body 1. Further, the latch pawl 14 may be configured to be urged in the engaging direction by a spring means separate from the latch body 15.

Next, the structure of the interlocking mechanism will be described.
Bearing pieces 21 and 21 (FIGS. 3, 4 and 8) in which the interlocking rod 20 as an interlocking mechanism is fitted and fixed at an appropriate position above the enclosing wall 23a above the pulling recess 5 in the end plate 4. ), And is rotatably supported around a left and right longitudinal rotation shaft portion 20d.

As shown in FIG. 2 and FIG.
Is formed in a substantially E-shape when viewed from the front, by the above-described rotating shaft portion 20d, and the first arm portions 20a and 20b and the second arm portion 20c that protrude downward from the rotating shaft portion 20d. In addition, the rotation shaft portion 20d is substantially perpendicular to the longitudinal axis 26 of the latch body 15 in a front view, but is not limited thereto, and may be any relationship that intersects in a front view.

The left first arm portion 20a projecting downward from the middle portion in the longitudinal direction of the rotating shaft portion 20d is located closer to the front plate 23 than the left support piece 8a of the movable pull member 8, and the left support piece 8a Contacting or approaching the rotating shaft 20
right first arm portion 20b protruding downward from the right end of d.
Is set closer to the front plate 23 than the right support piece 8b of the movable pull member 8, and is set to abut or approach the right support piece 8b.

In this case, each support piece 8 of the movable pull member 8
By fitting the corresponding first arm portions 20a, 20b into the engaging portions 8c provided on the front surfaces of the a, 8b, the interlocking rod 20 is configured not to shift in the direction of the rotation shaft portion 20d. .

Each support piece 8a, 8 of the movable pull member 8
The first arm portions 20a and 20b corresponding thereto may be configured to simply contact or approach the corresponding first arm portion 20b. Also,
The support pieces of the movable pull member 8 are not limited to being provided at both left and right end portions, and may be only one of them. In this case, only the first arm portion corresponding to one of the support pieces needs to be provided on the interlocking rod 20.

On the other hand, as shown in FIGS. 2, 3 and 6,
The second arm portion 20 c protruding downward from the left end of the rotation shaft portion 20 d is located on the back plate 24 more than the contact piece 19 of the latch body 15.
The contact piece 19 is set so as to be in contact with or close to the contact piece 19.

Next, the operation of the latch device according to the first embodiment will be described. When the drawer 2 is pushed into the cabinet main body 1, the latching claws 14 are engaged with the engaging projections 13 of the cabinet main body 1 by the elastic biasing force of the spring pieces 18, and the drawer 2 is held in a state housed in the cabinet main body 1. (See FIG. 2).

The finger is inserted into the recess 5 with the palm facing upward or downward, and the movable pull member 8 is moved forward by grasping the fixed pull member 6 and the movable pull member 8 and pulling it forward of the end plate 4. When the drawer 2 is slid in the direction in which the drawer 2 opens (in the direction of arrow A in FIG. 2), the left and right support pieces 8a and 8b press the first arm portions 20a and 20b toward the front plate 23, and rotate the interlocking rod 20. The second arm 20c rotates the contact piece 19 in the direction of the front plate 23 by rotating the shaft 20d around the shaft 20d in the direction of arrow D (see FIG. 2) (see the two-dot chain line in FIG. 6). The torso 27 of the latch body 15 rotates around the longitudinal axis 26 in the direction of arrow C (see FIG. 2), and the hole-shaped engaging portion 14a of the latch claw 14 comes off the engaging protrusion 13 of the cabinet body 1. The engagement is released.

When the fixed pull member 6 and the movable pull member 8 are further pulled forward, the drawer 2 is moved to the cabinet body 1.
Drawn from.

As described above, according to the latch device of the first embodiment, only the one-touch operation of grasping the fixed pull member 6 and the movable pull member 8 and pulling them toward the user is required.
The latch body 15 is disengaged from the engagement protrusion 13 of the cabinet body 1 and the drawer 2 can be easily pulled out. In this case, since the fixed puller member 6 and the movable puller member 8 can be grasped regardless of whether the palm is turned upward or downward, the pull-out operability is good.

A mechanism for transmitting the sliding force of the movable pull member 8 to the latch 15 is provided by the right and left support pieces 8a and 8b of the movable pull member, the interlocking rod 20, and the contact piece 19 of the latch 15. With this configuration, the structure of the latch device is extremely simple and the number of parts can be reduced as compared with the prior art, so that the manufacturing cost can be reduced and the latch body 15 can be connected to the engagement protrusion 13 of the cabinet body 1. The occurrence of troubles such as the inability to release the engagement from the vehicle can be reduced.

Further, since the number of parts is small, assembly becomes simple, and the entire latch device can be made compact.

For example, when the vertical dimensions of the end plates 4 in the drawers 2 of each stage are different from each other, the mounting position of the interlocking rod 20 is generally set to a substantially constant height from the upper end of the end plates 4 in each drawer 2. At the same time, the height position of the latch body 15 is set at a substantially constant height from the lower end of the end plate 4, so that the vertical arrangement interval between the interlocking rod 20 and the latch body 15 differs for each drawer 2. Become.

Therefore, in the second embodiment shown in FIGS. 9A to 9C, the second arm portion 20c of the interlocking rod 20 is connected to a substantially L-shaped relief connected to the left end of the rotating shaft portion 20d. Part 2
0e and a vertical portion 20f extending downward from the tip of the relief connecting portion 20e to form a stepped shape.

Then, as shown in FIG.
Is small, in other words, the vertical dimension T from the axis of the rotation shaft portion 20d of the interlocking rod 20 to the latch claw 14.
1 is small, the vertical portion 20 of the second arm portion 20c
f so as to abut or approach the horizontal portion 39b of the second contact piece 39 from the back plate 24 side.
Set the vertical spacing between and. In this case, the relief connecting portion 20e of the second arm portion 20c is set so as not to interfere with the contact piece 19.

As shown in FIG. 9 (b), when the vertical dimension of the head plate 4 is medium, in other words, the rotation shaft portion 20d
In the case where the vertical dimension T2 from the axis line to the latch claw 14 is slightly larger, the vertical portion 20f of the second arm portion 20c is brought into contact with or close to the contact piece 19 from the back plate 24 side.
The vertical arrangement interval between the interlocking rod 20 and the latch body 15 is set.

Further, as shown in FIG.
When the vertical dimension of the rotary shaft 2 is significantly large,
When the vertical dimension T3 from the axis 0d to the latch claw 14 is significantly large, the inverted L-shaped third contact as an operating body is fitted into the fitting hole 15a formed in the upper shaft support 28 of the latch body 15. The piece 40 is fitted into the vertical portion 20 of the second arm portion 20c.
f so as to abut or approach the horizontal portion 40b of the third contacting piece 40 from the back plate 24 side.
Set the vertical spacing between and.

With the above configuration, the end plate 4 can be moved only by changing the vertical interval between the interlocking rod 20 and the latch 15.
The latch device can be easily attached to those having different vertical dimensions, and the versatility is wide.

FIG. 10 shows another example of means for stably supporting the movable pulling member 8 so as to be slidable back and forth. In the third embodiment shown in FIG. 10, a pair of upper and lower guide pieces 32a,
32b, a substantially U-shaped fixed support member 31 in plan view,
Screws 33, 33 are fixed in the recess 5 so that the guide pieces 32a, 32b project forward. The movable pull member 8 as a handle member is slidably mounted in the front-rear direction (opening / closing direction of the drawer 2) in a state fitted between the pair of left and right guide pieces 32a, 32b. Other configurations are the same as those of the first embodiment, and thus detailed description is omitted.

The means for stably supporting the movable pull member 8 so as to be able to slide back and forth is not limited to the fixed pull member 6 in the first embodiment. Further, the movable pull member 8 may be simply mounted in the pull recess 5 so as to be able to slide back and forth.

In the fourth embodiment shown in FIG. 11, the left support piece 8a 'of the left and right support pieces 8a' and 8b 'of the movable pull member 8' which is configured to be able to slide back and forth in the handle recess 5 is used. By further extending to the left, the left support piece 8a 'is brought into contact with or close to the contact piece 19 of the latch body 15 from the back plate 24 side without going through the interlocking mechanism. Other configurations are the same as those of the first embodiment, and thus detailed description is omitted.

In this configuration, when the movable pull member 8 'is slid in the forward direction (the direction of arrow A' in FIG. 11), the left support piece 8a 'directly presses the contact piece 19 toward the front plate 23. As a result, the latch body 15 rotates in the direction of arrow C '(see FIG. 11), and the hole-shaped engaging portion 14a of the latch claw 14 is disengaged from the engaging projection 13 of the cabinet body 1 to be disengaged. You.

Therefore, also in this case, the fixed pull member 6
The drawer 2 can be easily pulled out simply by performing a one-touch operation of grasping the movable pulling member 8 'and pulling it toward the user. Further, since the interlocking mechanism is not required in the configuration of the fourth embodiment, the number of components can be reduced, and the manufacturing cost can be further reduced.

In the latch devices of the first to fourth embodiments, the latch body 15 is provided on the left side of the end plate 4 in front view. However, the present invention is not limited to this. It can also be applied to the case where it is provided on both sides.

FIG. 12 shows another example of a movable pull member as a handle member. In the fifth embodiment shown in FIG. 12, a movable pull member 36 as a grip member is provided for a pair of upper and lower brackets 35a, 35b provided at the right end of the inner surface of a fixed pull member 34 screwed to the front plate 23. It is pivotally mounted around a pivot pin 37 at the right end. Further, a support piece 36a as a pressing body projecting outward from the left end of the movable pull member 36 is penetrated through the longitudinal guide hole 25 formed in the left inner side surface of the pull recess 5.

An interlocking rod 38 as an interlocking mechanism is rotatably supported on the left and right longitudinal rotation shafts 38d above the puller recess 5 in the end plate 4. Interlocking rod 38
Is formed in a substantially U-shape in a front view by the above-described rotating shaft portion 38d and the first arm portion 38a and the second arm portion 38c projecting downward from the rotating shaft portion 38d.

The first arm 38a is connected to the movable pull member 36.
Is set closer to the front plate 23 than the supporting piece 36a, and is set to be in contact with or close to the supporting piece 36a. Further, the second arm portion 38c is located closer to the back plate 24 than the contact piece 19 of the latch body 15, and
Is set so as to abut or approach. Other configurations are the same as those of the first embodiment, and thus detailed description is omitted.

In the above arrangement, the finger is inserted into the recess 5 with the palm facing upward or downward, and the fixed pull member 34 and the movable pull member 36 are grasped and pulled forward of the end plate 4 to thereby move the movable pull. When the member 36 is rotated in the front direction (the direction in which the drawer 2 opens, the direction of arrow E in FIG. 12), the support piece 36a presses the first arm portion 38a in the direction of the front plate 23, and the interlocking rod 38 is turned. Since the second arm 38c rotates the contact piece 19 in the direction of the front plate 23 by pivoting around the portion 38d in the direction of arrow G (see FIG. 12), the latch body 15 is moved in the direction of arrow F (see FIG. 12). ), The hole-shaped engaging portion 14a of the latch claw 14 is disengaged from the engaging protrusion 13 of the cabinet body 1 and disengaged.

When the fixed pull member 34 and the movable pull member 36 are further pulled forward, the drawer 2 is pulled out of the cabinet body 1.

Therefore, also in this case, the fixed pull member 3
The drawer 2 can be easily pulled out simply by performing a one-touch operation of grabbing the movable handle member 4 and the movable pull member 36 and pulling the drawer 2 toward the user, and the same effect as in the first embodiment can be obtained.

In the sixth embodiment shown in FIG. 13, the support piece 36a 'at the left end of the movable pull member 36', which is rotatable back and forth around the pivot pin 37 'in the pull recess 5, is further moved to the left. By extending in the direction, without going through the interlocking mechanism,
The supporting piece 36a 'is attached to the contact piece 19 of the latch body 15 by the back plate 24.
Contact or close from the side. The other configuration is the same as that of the fifth embodiment, and a detailed description is omitted.

In this configuration, when the movable pull member 36 'is slid in the forward direction (the direction of the arrow E' in FIG. 13), the support piece 36a 'directly presses the contact piece 19 in the direction of the front plate 23. As a result, the latch body 15 rotates in the direction of the arrow F '(see FIG. 13), and the hole-shaped engaging portion 14a of the latch claw 14 is disengaged from the engaging protrusion 13 of the cabinet body 1 to be disengaged. .

Therefore, also in this case, the fixed pull member 3
The drawer 2 can be easily pulled out simply by performing a one-touch operation of grasping the movable handle member 4 and the movable pulling member 36 'and pulling it toward the user. Further, since the interlocking mechanism is not required in the configuration of the sixth embodiment, the number of parts can be reduced,
It is possible to further reduce the manufacturing cost.

The latch devices of the fifth and sixth embodiments can be applied to the case where the latch body 15 is provided on the right side of the end plate 4.

FIGS. 14 to 16 show a seventh embodiment of the present invention. In the cabinet of the seventh embodiment, a drawer 42 as a movable body that can slide forward and backward is provided in a plurality of stages vertically (FIG. 1) in a cabinet main body 41 made of a metal plate having a front opening.
4 (a), three stages). The latch devices of these drawers 42 have basically the same configuration, and therefore the following description will be made with the uppermost drawer 42 and its latch device as representatives.

The drawer 42 has a substantially rectangular end plate 44 as viewed from the front.
And a tray 43 having an open top surface attached to the back surface of the end plate 44. The mirror plate 44 is formed in a hollow shape by a synthetic resin front plate 45 formed integrally with a surrounding wall 45a around the periphery, and a metal plate back plate 46 mounted on the back side of the front plate 45 ( 16, see back plate 4 in front view.
A latch claw 48 extending along the right side plate of the tray 43 protrudes rearward from a hole provided in the right side of the tray 6 (see FIGS. 14 and 16).

Next, the configuration of the latch device according to the seventh embodiment will be described. A pull-out recess 49 formed in a substantially central portion of the front plate 45 at the left and right is formed in a left-right longitudinal and substantially planar view.
A letter-shaped fixed pull member 51 is arranged. in this case,
With the two bosses 52, 52 protruding from the middle surface in the longitudinal direction of the inner surface (rear surface) of the fixed pull member 51 inserted into the mounting holes 50, 50 formed in the pull recess 49, the back plate 46 is inserted. The fixed pull member 51 faces the pull recess 49 by fastening the screws 67, 67 from the back side of the pull handle.

On the inner surface (back surface) of the fixed pull member 51, there is formed a groove 53 which opens toward the pull recess 49, and a pair of upper and lower brackets 54, 55 ( 15 and 16) are provided so as to protrude into the handle recesses 49, respectively.

As shown in FIGS. 15 and 16, with respect to the left bracket pair 54, 55 of the fixed pull member 51, the left finger hooking member 56 is inserted into the through hole 57 in the middle part in the longitudinal direction. In a state where the boss portion 52 is loosely fitted, the boss portion 52 is pivotally mounted around a pivot pin 58 at the base end. Similarly, with respect to the right bracket pair 54, 55 of the fixed pull member 51, the right finger hook member 61 is in a state where the right boss portion 52 of the fixed pull member 51 is loosely fitted in the through hole 62 in the middle part in the longitudinal direction. , Are pivotally mounted around a pivot pin 63 at the base end.

Then, the distal end of the right finger hanging member 61 is fitted between a pair of upper and lower projecting pieces 59 and 60 projecting from the distal end of the left finger hanging member 56, and the horizontally elongated portions of the two projecting pieces 59 and 60 are inserted. The right finger hanging member 61 is inserted into the slots 59a and 60a.
By pivotally connecting pivot support projections 64 and 65 projecting upward and downward to the tip of the finger, the two finger-hanging members 56 and 61 are folded in a substantially rectangular shape in plan view, and the tip is moved in the front-rear direction ( (The opening and closing direction of the drawer 42).

The support piece 61a as a pressing body projecting outward from the base end of the right finger hanging member 61 is
9 penetrates a front and rear longitudinal guide hole 66 formed in the right inner surface. The left and right finger hanging members 56 and 61 correspond to the handle members described in the claims.

Next, the configuration of the latch body 47 will be described. A latch 47 made of a synthetic resin or a steel plate is provided at a position of a hole formed in the right side of the back plate 46 when viewed from the front.
5, a bearing member 77 protruding from the inner surface (back surface) of
0 (see a dashed line in FIG. 15).

The latch body 47 is connected to the cabinet body 4.
1 includes a latch claw 48 having a hole-shaped engaging portion 48a for hooking on an engaging protrusion 71 as an engaging portion protruding inward on the right inner surface of the first member 1, and a curved plate-shaped spring piece 72; A substantially L-shaped operating rod 73 as an operating body is attached to the upper end surface of the latch body 47 so as to rotate around the shaft portion 73a integrally with the latch body 47. Shaft 7 of operating rod 73
The horizontal portion 3b is also rotatably supported by a shaft support piece 74 protruding from the inner surface (back surface) of the front plate 45 above the bearing member 77, and extends horizontally from the shaft portion 73a.
Is set so as to be substantially perpendicular to the longitudinal axis 70 of the latch body 47.

Spring piece 72 integrally formed with latch body 47
Is set so that the tip portion abuts on the inner surface (back surface) of the front plate 45 (see FIG. 16). As a result, the hole-shaped engaging portion 48a of the latch claw 48 is always
The spring is biased so as to be engaged with the first engagement projection 71 (in the direction of arrow H in FIG. 16A).

Next, the structure of the interlocking mechanism will be described.
In a position between the handle recess 49 and the shaft support piece 74 in the end plate 44, a transmission rod 75 as an interlocking mechanism is attached to an appropriate position on the surface (front surface) of the back plate 46 (see FIG. 15 and FIG. 16), and is rotatably supported around a vertically-long pivot portion 75c.

As shown in FIG. 15, the transmission rod 75 has a substantially S-shape with the above-described pivot 75c and substantially L-shaped arms 75a and 75b protruding on both right and left sides of the pivot 75c. Is formed.

The left arm portion 75a of the transmission rod 75 is located closer to the back plate 46 than the support piece 61a of the right finger hanging member 61, and is in contact with or close to the support piece 61a. The portion 75b is provided with the operating rod 7 of the latch body 47.
It is set so as to be closer to the back plate 46 than to 3 and to abut or approach the operating rod 73 (see FIG. 16).

Next, the operation of the latch device according to the seventh embodiment will be described. When the drawer 42 is pushed into the cabinet main body 41, the latch claws 48 are moved by the elastic urging force of the spring pieces 72 so that the engagement protrusions 7 of the cabinet main body 41 are engaged.
1 and is held in a state where the drawer 42 is housed in the cabinet main body 41 (see FIG. 16A).

The finger is inserted into the handle recess 49 with the palm facing upward or downward, and the fixed handle member 51 and the left and right finger hook members 56 and 61 are grasped and pulled forward of the end plate 44, whereby the two finger hook members 56 , 61 are folded in a substantially rectangular shape in a plan view, the front end portion is moved in the forward direction (the opening direction of the drawer 42, the direction of the arrow J in FIG. 16B). In the direction of arrow K (FIG. 16)
(See (b)), and the left arm portion 75a is
In the direction shown in FIG.
(See FIG. 16 (b)) to rotate the right arm 7
5b presses and rotates the horizontal portion 73a of the operating rod 73 in the direction of the front plate 45, so that the latch body 47 rotates around the longitudinal axis 70 in the direction of arrow M (see FIG.
Is disengaged from the engaging projection 71 of the cabinet body 41.

When the fixed pull member 51 and the left and right finger hook members 56 and 61 are further pulled forward, the drawer 42 is pulled out of the cabinet body 41.

As described above, also in the latch device of the seventh embodiment, the fixed pull member 51, the left and right finger hook members 56,
The latch 47 can be disengaged from the engagement projection 71 of the cabinet body 41 and the drawer 42 can be easily pulled out simply by performing a one-touch operation of grasping and pulling the latch 61 toward the user. The latch device according to the seventh embodiment can also be applied to a case where the latch device is provided on the left side of the end plate 44 or on both left and right sides.

FIG. 17 shows another example of a finger hanging member as a handle member. In the eighth embodiment shown in FIG. 17, right and left long right finger hanging members 61 ′ are provided in two pairs of right and left long brackets 54, 55 of the fixed pull member 51 in the middle part in the longitudinal direction. 62 ', the corresponding boss 5
2 are loosely fitted, and the pivot pin 6 at the base end is
It is pivotally mounted around 3 '. In addition, a support piece 61a 'as a pressing body projecting outward from the base end of the finger hook member 61' is penetrated through the guide hole 66 of the handle recess 49. The other configuration is the same as that of the seventh embodiment, and a detailed description will be omitted.

In this case, as in the seventh embodiment, the drawer 42 can be easily pulled out simply by performing a one-touch operation of grasping the fixed pulling member 51 and the finger hooking member 61 'and pulling it toward the user. The latch device of the eighth embodiment can be applied to a case where the latch body 47 is provided on the left side of the end plate 44.

FIGS. 18 to 21 show a ninth embodiment of the present invention. More specifically, the latch device of the present invention is applied to a door 83 of a cabinet.

As shown in FIG. 18, the cabinet body 8
A pair of left and right doors 8 as a moving body
2, 83 are attached via double hinges 84 via hinges 84. In FIG. 18, the right door 83 (hereinafter, right door 8)
3) is formed in a hollow shape by a front plate 85 made of a metal plate or the like formed integrally with a surrounding wall 85a and a back plate 86 made of a metal plate attached to the back side of the front plate 85. (See FIG. 21).

On the free end side of the hollow portion of the right door 83, a latch shaft 87 having a vertically long and rectangular cross section is rotatably supported around its axis, that is, rotatable left and right. At the upper and lower ends of the latch shaft 87, a locking portion 90 such as a hole formed or cut out on the front opening side of the cabinet body 81.
Hook-shaped latch claws 88 that rotate left and right so as to engage and disengage with (see FIG. 21) are respectively attached. Further, pin members 89a and 8 as actuating members are provided at upper and lower portions of a middle portion of the latch shaft 87 in the longitudinal direction and across a pull hole 93 described later.
9b is provided so as to project rightward.

The upper and lower latch claws 88, 88
7, a spring 92 mounted between a bracket 91 screwed to the middle part in the longitudinal direction and an appropriate position on the back surface of the front plate 85.
It is urged in the direction of engaging with the locking portion 90 of the cabinet body 81 (see FIG. 19).

In the ninth embodiment, the latch shaft 87, the upper and lower latch claws 88, 88, and the pin members 89a, 89b constitute a latch member according to the present invention.

In FIG. 18, a left-side door 82 (hereinafter, referred to as a left door 82) is formed at its free end side with a vertically long folded portion 82a extending outward. When the right door 83 is closed with the left door 82 closed, the folded portion 82a is
1 and the surrounding wall 85a of the front plate 85 in the right door 83
(See FIG. 21).

Therefore, in the ninth embodiment, the right door 83
Is not opened, the folded back portion 82a of the left door 82 is
The left door 82 cannot open and move when hitting the third surrounding wall 85a.

Next, the structure of the latch device according to the ninth embodiment will be described. As shown in FIG. 19 and FIG. 20, a pull hole 9
3 is open, and a portion of the front surface (front surface) of the front plate 85 facing the handle hole 93 is a vertically long fixed handle member 94.
However, it is fixed by screws 98, 98 so as to extend longitudinally through the recess 93.

A groove 95 is formed on the inner surface (back surface) of the fixed pull member 94 so as to open toward the pull hole 93. A pair of left and right brackets 96 and 97 are provided at upper and lower ends on the inner surface. It is provided so as to project into the hole 93.

The movable pull member 100 as a handle member is
It is slidably mounted in the front-rear direction (in the direction of opening and closing the right door 83) while being fitted between the pair of left and right brackets 96, 97. In this case, a longitudinal slot 96 is formed in each of the upper bracket pair 96, 97 of the fixed pull member 94.
The sliding protrusions 101 and 102 projecting right and left outward from the upper part of the movable pull member 100 are fitted to the movable handle members 97a and 97a.
Similarly, the movable pull member 10 is inserted into longitudinal slots 96a, 97a formed in the front and rear longitudinal holes formed in the lower bracket pairs 96, 97, respectively.
0, sliding projections 103 and 10 projecting outward in the left and right directions.
4 is fitted. Thus, the stroke of the movable pull member 98 in the forward and backward sliding is restricted.

A substantially L-shaped upper pressing rod 105 as a pressing body is mounted on the upper portion of the movable pulling member 100 so as to abut or approach the upper pin body 89a of the latch shaft 87 from the back plate 86 side. Have been. Similarly, the movable pull member 100
A lower part of a substantially L-shaped lower pressing rod 106 as a pressing body
Is attached to the lower pin body 89b of the latch shaft 87 so as to contact or approach from the back plate 86 side.

Next, the operation of the latch device according to the ninth embodiment will be described. Here, the movable pull member 1
The latch claw 88 located below 00 is shown in FIG. 21 and will be described based on this.

When the right door 83 is closed with the left door 82 closed first, the resilient urging force of the spring 92 causes the latch claw 8 to close.
8 engages with the locking portion 90 of the cabinet main body 81, and the doors 82, 83 cover the front opening of the cabinet main body 81 and are held non-rotatably.

By inserting a finger into the pull hole 93 and grasping the fixed pull member 94 and the movable pull member 100 and pulling it forward, the movable pull member 100 is moved forward (in the opening direction of the right door 83, in FIG. 21). When sliding in the direction of the arrow R), the upper and lower pressing rods 105, 106 correspond to the corresponding pin bodies 89a, 89.
b is pressed in the direction of the front plate 85 to rotate the latch shaft 87 around the axis in the direction of the arrow S (see the two-dot chain line in FIG. 21). It disengages and is disengaged. Latch claw 88 in upper position
Is also released at the same time, and the right door 83 is opened.

As described above, in the latch device of the ninth embodiment, the latch claws 88, 88 can be moved only by one-touch operation of grasping the fixed pull member 94 and the movable pull member 100 and pulling them forward. The right door 83 can be easily opened by releasing the engagement from the locking portion 90 of the lock 81. The latch device of the ninth embodiment may be provided on the left door 82. The left door 82 in this case is shown in FIGS.
The right door 83 shown in FIG.

The present invention is not limited to the above embodiment, but can be embodied in various forms. For example, any of the latch devices of the above-described embodiments can be applied to a drawer or a door.

[0098]

According to the latch device of the first to fifth aspects of the present invention, when the grip member is grasped and pulled toward the user, the latch body associated with the grip member via the interlocking mechanism is engaged. Since the latch body can be rotated in the releasing direction, the latch body can be disengaged from the engaging portion of the furniture main body, and the moving body can be easily pulled out from the furniture main body.

According to the latch device according to the sixth and seventh aspects of the present invention, when the grip member is grasped and pulled toward the user, the latch body directly associated with the grip member rotates in the disengagement direction. Since the latch body can be disengaged from the engaging portion of the furniture main body, the moving body can be easily pulled out from the furniture main body.

Therefore, according to the configuration of the present invention, the drawer operation can be easily performed with one touch, and there is an effect that the usability of the furniture is improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a cabinet according to a first embodiment.

FIG. 2 is a plan sectional view taken along the line II-II of FIG.

FIG. 3 is a sectional view taken along line III-III of FIG. 2;

FIG. 4 is a sectional side view taken along line IV-IV of FIG. 2;

FIG. 5 is a sectional side view taken along line VV of FIG. 2;

FIG. 6 is a sectional view taken along line VI-VI of FIG. 2;

FIG. 7 is an exploded perspective view showing a manner of attaching a latch body.

FIG. 8 is an exploded perspective view showing a mounting mode of an interlocking rod.

9A and 9B are schematic diagrams illustrating an arrangement relationship between an interlocking mechanism and a latch body according to a second embodiment, wherein FIG. 9A illustrates a case where the vertical dimension of the end plate is small, and FIG. 9B illustrates a case where the vertical dimension of the end plate is medium. ,
(C) is a case where the vertical dimension of the end plate 4 is significantly large.

FIG. 10 is a plan sectional view showing a stable support means of a handle member according to a third embodiment.

FIG. 11 is a plan sectional view showing a pressing body of a fourth embodiment.

FIG. 12 is a plan sectional view showing a handle member of a fifth embodiment.

FIG. 13 is a plan sectional view showing a pressing body of a sixth embodiment.

14A is a perspective view of a cabinet according to a seventh embodiment, and FIG. 14B is a partial perspective view of a drawer.

FIG. 15 is a schematic view of the latch device as viewed from the back side of the end plate.

FIG. 16 is a perspective view showing an operating state of a handle member, an interlocking mechanism, and a latch body. FIG.
(B) is a case where the handle member is pulled forward.

FIG. 17 is a plan sectional view showing a handle member according to an eighth embodiment.

FIG. 18 is a perspective view of a cabinet according to a ninth embodiment.

FIG. 19 is a schematic view of the latch device as viewed from the back side of the right door.

20 is a side sectional view taken along the line XX-XX of FIG.

FIG. 21 is a plan cross-sectional view showing an operating state of a handle member and a latch body.

[Explanation of symbols]

1,41,81 Cabinet main body 2,42 Drawer 4,44 End plate 5,49 Pull recess 8,36,36 ', 100 Movable pull member 8a, 8b, 36a, 36a', 61a, 61a 'as handle Supporting pieces 13 and 71 Engaging projections as locking portions 14, 48, 88 Latch claws 15, 47 Latching bodies 19, 39, 40 Contact pieces 20 and 38 as operating bodies Interlocking rod 56 as an interlocking mechanism , 61, 61 ′ Finger-holding member 73 as a handle member 73 Operating rod 75 as an operating body 75 Transmission rod 82, 83 Door 87 Latch shaft 89 a, 89 b Pin body as an operating body 90 Locking section 93 Pull hole 105, 106 As a pressing body Pressing rod

Claims (7)

[Claims] 1. A moving member such as a drawer or a door which can be opened and closed with respect to a furniture body is provided with a handle member which can reciprocate in the opening and closing direction of the moving body. A latch body that is engaged with and disengaged from the portion is disposed so as to be rotatable about its axis and urged in an engagement direction, and when the grip member is moved in the opening direction of the moving body, the latch A latch device for furniture, wherein the handle member and the latch body are associated via an interlocking mechanism such that the body rotates in a disengagement direction. 2. A moving member such as a drawer or a door which can be opened and closed with respect to the furniture main body is provided with a handle member which can be rotated in the opening and closing direction of the moving body. A latch body that is engaged and disengaged from the part is disposed so as to be rotatable around its axis and is urged in an engagement direction, and when the grip member is rotated in the opening direction of the moving body, A latch device for furniture, wherein the handle member and the latch body are associated via an interlocking mechanism so that the latch body rotates in the disengagement direction. 3. The latch body includes an operating body extending in a direction intersecting the axis thereof, and one or both ends of the handle member includes a pressing body extending substantially parallel to the operating body. The interlocking mechanism comprises: a rotating shaft extending in a direction intersecting the axis of the latch body; and a first arm protruding radially outward from the rotating shaft and abutting or approaching the pressing body. And a second arm portion protruding radially outward from the rotation shaft portion and abutting on or near the operating body, wherein the handle member is moved in the opening direction of the moving body. When moved or rotated, the pressing body presses the first arm portion,
By rotating the interlocking rod around the rotation shaft portion, the second arm portion presses the operating body to rotate the latch body in the disengagement direction. The latch device for furniture according to claim 1 or 2, wherein: 4. The latch body includes an operating body extending in a direction intersecting the axis thereof, and one end of the handle member includes a pressing body extending substantially parallel to the operating body. The interlocking mechanism is a transmission rod formed by a pivot portion extending substantially parallel to the axis of the latch body and an arm portion protruding to both sides with the pivot portion interposed therebetween. When turned in the opening direction,
The pressing body presses the one arm and rotates the transmission rod around the pivot so that the other arm presses the operating body to disengage the latch. The latch device according to claim 2, wherein the latch device is configured to rotate in a direction. 5. The handle member is separated into two finger hook members whose base ends are pivotally attached to the movable body so as to be rotatable in the opening / closing direction. To reciprocate in the opening and closing direction of the moving body, at the tip of the one finger hook member,
The latch device for furniture according to claim 4, wherein the tip of the other finger hook member is pivotably connected to the other finger hook member. 6. A moving member, such as a drawer or a door, which can be opened and closed with respect to the furniture main body, is provided with a handle member which can reciprocate or rotate in the opening and closing direction of the moving member, and the moving member has the furniture. A latch body that is engaged with and disengaged from the locking portion of the main body is disposed so as to be rotatable around its axis and urged in the engagement direction, and moves the handle member in the opening direction of the moving body. Alternatively, the handle member and the latch body are directly associated with each other such that the latch body rotates in the disengagement direction when rotated. 7. The latch body includes an operating body extending in a direction intersecting the axis thereof, and one or both ends of the handle member includes a pressing body extending substantially parallel to the operating body. When the handle is moved or rotated in the opening direction of the moving body, the pressing body presses the operating body, thereby rotating the latch body in the disengaging direction. The latch device for furniture according to claim 6, wherein