JPH0932380A - Pull with latch for sliding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of parts and simplify even structure, to use a member in common for a horizontally sliding door and to improve facility. SOLUTION: This pull consists of a pull body 10, in which a hole 11 for a push-button is formed to a front, and a hook latch 20 pivotally attached by a pivotal shaft 40 vertically installed while a spring is interposed at the rear of the pull body 10. The push-button 30 fitted in a projecting shape from the hole 11 for the push-button to the front of the pull body is mounted on one side of the hook latch, an opening 3 formed on the sliding door stop 2 side is penetrated to the other side, and a hooky engaging section 27 capable of being engaged and disengaged with and from a latch engaging hole 7 formed on the case-frame door stop 6 side is formed. The hooky engaging section 27 of the hook latch is energized in the direction that the engaging section 27 is engaged with the latch engaging hole 7 by a spring, and the push-button 30 is pushed, thus releasing the engagement of the hooky engaging section 27 of the hook latch and the latch engaging hole 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pull tab used for a sliding door such as a document storage, a component storage, and a storage room.

[0002]

2. Description of the Related Art For example, a sliding door in a document storage is
Usually, a pull handle is provided on each of the left and right sliding doors, and a key portion for locking both sliding doors is provided on the overlapping door bottom side. From the convenience of the storage, without locking it everyday
The current situation is to open and close sliding doors. However, in the event of an earthquake, the unlocked sliding doors would naturally open due to vibration, causing the contents of the storage to pop out and become scattered.

Japanese Patent Application Laid-Open No. 3-47971 proposes a latching device for a sliding door provided with a latch device for locking the sliding door on the case frame side in order to prevent the contents from popping out. This device accommodates a pull tab in a case fixed to a door so that it can be retracted and retracted, and the base end of the pull board is pivotally attached to the case by a pivot parallel to the front of the door, and the operation rod is attached to the case behind the pull tab. It is stored so that it can slide in a straight line, and the operating rod is biased in the protruding direction by a spring. The drive cam plate that engages with the passive cam portion provided on the operation rod is housed in the case,
An operating protrusion that pushes the drive cam plate is projected on the back side of the base end of the pull tab, and the base end of the swing latch is pivotally attached to the tip of the operating rod by a pivot that is perpendicular to the door front. An intermediate portion of the swing latch body is pivotally attached to the fixed substrate by another pivot. Further, a hook portion for engaging and disengaging the fixed frame body-side money is provided at the tip of the swing latch body, and a guide cam surface for retracting and rotating the swing latch body around the pivot when contacting the money is provided. It is provided on the outer surface of the hook portion.

[0004]

However, the conventional device has a large number of parts and has a complicated structure, and the opening operation of the door and the releasing operation of the rocking latch cannot be performed in one operation, so that the opening / closing operation is performed. It was inconvenient and impractical. Further, it is necessary to prepare a dedicated member for each of the left and right sliding doors, which causes problems in manufacturing, assembling, and inventory management.

The present invention has been made in view of the above problems, and provides a pulling handle with a latch for a sliding door which has a small number of parts, has a simple structure, can share members for the left and right sliding doors, and is easy to use. It is intended.

[0006]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention comprises a pull handle main body having a push button hole formed on the front surface thereof and a pivot shaft vertically attached to the back of the pull handle main body with a spring interposed therebetween. It consists of a sickle latch pivotally attached,
On one side of the sickle latch, there is a push button protruding from the push button hole to the front of the pull body, and on the other side, an opening formed in the sliding door contact side is penetrated, and the case frame door contact side A sickle-shaped locking portion that can be engaged with and disengaged from the latch locking hole formed in, and biases the sickle-shaped locking portion of the sickle latch in the latch locking hole by the spring, The sickle-shaped locking portion of the sickle latch and the latch locking hole are released from each other by pressing the push button.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION A latch with a latch for a sliding door according to the present invention has a structure in which a finger pushes a push button and a sickle latch is provided with a spring when the sliding door in a closed state is opened. Since the sickle-shaped engaging portion of the sickle latch which is engaged in the latch engaging hole on the case frame door contact side is released, the sickle-like engaging portion is released due to the pivotal rotation about the pivotal force. By applying force in the opening direction at approximately the same time, the sliding door can be moved laterally and opened. When the hand is released from the pull tab body, the sickle-shaped latch is restored by the biasing force of the spring, and the push button is in a protruding state toward the front of the pull tab body.

Further, when closing the sliding door, the sickle-shaped engaging portion projecting from the opening on the sliding door door contact side is closed by a slight force applied in the closing direction, and the latch engaging hole edge on the case frame door contact side is formed. Since it abuts against the portion, the sickle latch rotates around the pivot shaft against the biasing force of the spring and is locked in the latch locking hole. When the sliding door contact comes into contact with the case frame door contact by the force in the closing direction with respect to the sliding door, the sliding door is automatically locked at the same time as the closing.

Specific embodiments according to the present invention will be described below with reference to the drawings. 1 is a front view of a puller with a sliding door latch according to the present invention, FIG. 2 is a side view of the same, FIG. 3 is a rear view of the same, FIG. 4 is an exploded perspective view of the same, and FIG. FIG. 7 is an operation explanatory view showing an operation of the pull tab in accordance with

As shown, a pull tab A with a latch for a sliding door
Comprises a pull tab body 10 attached to the front door end side of the sliding door 1 (see FIG. 5) and a sickle-like latch 20 attached behind the pull tab body 10.

The pull tab body 10 has a size such that a fingertip can be inserted as a handle, and is formed in a U-shaped section having a vertically long rectangular shape in a front view. On the concave front surface, there is a push button 3 which will be described later.
Rectangular push button hole 11 that allows 0 to project in the front direction
Are provided (see FIG. 4). Furthermore, on the back side,
In order to swingably attach the sickle-shaped latch 20, a latch attachment portion 12 is formed in which an insertion hole 13 through which a spring pin 40 that is vertically attached is inserted is formed (see FIG. 4). The latch mounting portion 12 has a rib shape, and is formed in four places at intervals in the vertical direction, and the sickle-shaped latch 20 is provided therebetween.
The pin mounting portion 23 is positioned and the spring pin 40 is inserted.

On the other hand, the sickle-shaped latch 20 has a plate-like shape, and an engaging shaft 22 for mounting the push button 30 projecting from the push button hole 11 of the pull tab body 10 is formed on one side thereof, and a substantially intermediate portion is formed in the middle portion thereof. A pin attachment portion 23 attached to the latch attachment portion 12 of the pull body 10 and a latch engagement hole 7 formed on the case frame door stopper 6 of the storage case frame 5 on the other side, as shown in FIG. A sickle-shaped locking portion 27 that can be locked is formed.

One side of the sickle-shaped latch 20 is bent at a substantially right angle to the side of the pull tab body 10, and a curved push button contact portion 21 for contacting the recess of the push button 30 from the back is formed at the tip. There is. On the upper and lower portions of the push button contact portion 21, an engaging shaft 22 that is fitted and inserted into a mounting hole 33 (see FIG. 4) of the push button 30 is vertically provided.

The push button 30 has a U-shaped cross section having a vertically long rectangular shape in front view, which has a collar portion 31 on four sides, and has a mounting hole 33 for inserting the engaging shaft 22 of the sickle-shaped latch 20 with the convex surface facing the front. The mounting portion 32 is provided with a notch on the upper and lower back surfaces of the collar portion 31 so as to project. The push button 30 is mounted such that its concave portion faces the sickle-shaped latch 20 side and the mounting hole 33 is fitted and inserted in the engagement shaft 22, and is rotatable about the engagement shaft 22. The push button 30 has its front convex side attached from the back side of the push button hole 11 of the pull tab body 10 and is in contact with the collar portion 31 extending over four circumferences. The push-button 30 is biased by the torsion coil spring 41 so that the front convex side always projects toward the front side of the pull tab body 10. Further, as shown in FIG. 1, the letters "PUSH" or "push" are written on the convex front surface of the push button 30,
The opening operation of the sliding door 1 is made easy to understand.

Since the pin mounting portion 23 is located between the latch mounting portions 12 of the pull tab body 10, it is formed thickly in three places at intervals, and an insertion hole 24 for inserting the spring pin 40 (see FIG. 4). ) Are drilled in the vertical direction. Since the latch mounting portion 12 of the pull tab body 10 is located between the pin mounting portions 23, a through hole 25 for avoiding the latch mounting portion 12 and a spring mounting hole 26 for mounting the torsion coil spring 41 are formed. . The torsion coil spring 41 is inserted into the spring mounting hole 26 when the sickle-shaped latch 20 is assembled to the handle body 10, one end of which is locked to the sickle latch 20, and the other end of which is locked to the handle body 10. In this state, the spring pin 40 is inserted and attached.

Further, the sickle-shaped engaging portion 27 is the pin attaching portion 23.
It is formed at the tip of an arm extending from the part, and that part is formed so as to project in the direction opposite to the push button contact part 21. The length of the sickle-shaped locking portion 27 is such that the arm penetrates through the opening 3 formed in the sliding door contact 2 and is locked in the latch locking hole 7 formed in the case frame door contact 6 when the sliding door 1 is closed. Has been extended to. Then, the sickle-shaped latch 20 is rotated about the spring pin 40 as a pivot by the urging force of the torsion coil spring 41, and the push button contact portion 21 of the sickle-shaped latch 20 causes the push button 30 to project from the puller body 10. The sickle-shaped engaging portion 27 of the sickle-shaped latch 20 is engaged with the latch engaging hole 7 while the collar portion 31 of the push button 30 is urged in the direction of abutting against the push button hole 11 of the pull body 10. It is designed to be urged in the direction of doing.

The pull tab A with a latch for a sliding door configured as described above has a smaller number of parts than the prior art, has a simple structure, and can be easily assembled, and since all the members can be commonly used for the left and right sliding doors, Production and inventory management can be done easily.

The opening / closing operation of the sliding door provided with the sliding door latch having the above-described construction will be described with reference to FIG. When the sliding door 1 in the closed state is opened, a hand is put on the pull tab body 10 and a finger is inserted into the recess. The push button 30 is pushed by a finger, and the sickle latch 20 is twisted by the coil spring 41.
The spring pin 40 rotates about the spring pin 40 as shown by an imaginary line. As a result, the sickle-shaped locking portion 27 is released from the latch locking hole 7 of the case frame door contact 6. The sliding door can be opened by applying a force in the opening direction of the sliding door at substantially the same time. Thereafter, when the hand is released from the pull tab body 10, the sickle-shaped latch 20 shifts from the phantom line state to the return state shown by the solid line by the urging force of the torsion coil spring 41.

When the sliding door 1 is closed, a force in the closing direction is applied to the sliding door 1 so that the sickle-shaped engaging portion 27 projecting from the opening 3 of the sliding door contact 2 latches the case frame door contact 6. Since the sickle latch 20 abuts on the edge of the stop hole 7, the sickle latch 20 rotates around the spring pin 40 against the biasing force of the torsion coil spring 41 and is locked in the latch locking hole 27. Sliding door 1
When the sliding door contact 2 comes into contact with the case frame door contact 6 by the force in the closing direction, the sliding door 1 is automatically brought into the locked state simultaneously with the closing.

Thus, when the sliding door 1 is in the closed state,
Since the sickle-shaped locking portion 27 of the sickle-shaped latch 20 is locked in the latch locking hole 7 of the case frame 5, even if vibration occurs due to an earthquake or the like, the sliding door does not open and the contents inside the storage cabinet Will not pop out and be scattered. Further, even if the sliding door is closed with a strong force, the sliding door does not collide with the case frame door and rebound, and the sickle latch is securely locked and closed.

[0021]

Since the pull tab with a latch for a sliding door according to the present invention is constructed as described above, it has the following unique effects. When the sliding door is closed, the sickle-shaped locking part of the sickle-shaped latch is locked in the latch locking hole of the case frame, so the sliding door will not open even if vibration occurs due to an earthquake, etc. The contents of the warehouse will not pop out and be scattered.

When the pull tab is moved in the closing direction, the sliding door automatically closes at the same time as the sickle-shaped locking portion of the sickle-shaped latch and the latch locking hole of the case frame are locked, and on the other hand, closed.・ In order to open the sliding door in the locked state, it is sufficient to move the pulling door in the opening direction while pushing the push button of the pulling door, and the sliding door is closed and locked or opened and unlocked in one operation. The opening and closing operations are extremely simple.

Even if the sliding door is closed by a strong force, the sliding door does not collide with the case frame door and rebound, and the sickle-like latch is securely locked and closed. Compared with the conventional device, the number of parts is small and the structure can be made simple, and each member can be shared by the left and right sliding doors.

[Brief description of drawings]

FIG. 1 is a front view of a pull tab with a sliding door latch according to the present invention.

FIG. 2 is a side view of the pull tab with a latch for the sliding door.

FIG. 3 is a rear view of the pull tab with the sliding door latch.

FIG. 4 is an exploded perspective view of the pull tab with a latch for the sliding door.

FIG. 5 is an operation explanatory view showing an operation of the pull tab with a latch for the sliding door when the sliding door is opened and closed.

[Explanation of symbols]

 A Sliding door with a latch for sliding door 1 Sliding door 2 Sliding door per contact 3 Opening side of sliding door perforation 5 Storage case frame 6 Case frame per door 7 Latch locking hole 10 Puller body 11 Push button hole 12 Latch mounting part 20 Sickle latch 21 Push button contact part 22 Engagement shaft 23 Pin mounting part 27 Sickle-shaped locking part 30 Push button 32 Mounting part 40 Spring pin 41 Torsion coil spring

Claims (1)

[Claims] 1. A pull tab body having a push button hole formed on a front surface thereof, and a sickle latch pivotally mounted by a pivot shaft vertically attached via a spring behind the pull tab body. On one side, there is a push button projecting from the push button hole to the front of the pull body, and on the other side is a latch formed on the case frame door contact side through an opening formed on the sliding door contact side. It has a sickle-shaped locking portion that can be engaged with and disengaged from the locking hole, and biases the sickle-shaped locking portion of the sickle latch in the latch locking hole by the spring to press the push button. By doing so, the locking between the sickle-shaped locking portion of the sickle latch and the latch locking hole is released, and a pull tab with a latch for a sliding door characterized in that.