JPH0611334Y2 - Latch actuated flat handle device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention is equipped with a pulling member so that the main body case is fixed to the door with a minimal amount of projection from the front of the door and does not project into the main body case. The present invention relates to a latch-acting type flat handle device in which a latch body is separated from a receiving portion on the fixed frame body side by slidingly operating the pulling member.

[Prior Art] As disclosed in Japanese Utility Model Publication No. 57-11091, in the conventional push-button type flat handle device, the main body case is fixed to the door by minimizing the protrusion amount from the front of the door. The pulling member pivotally attached to and retracted from the housing is housed and held in the main body case by the rotational biasing of the curved leaf spring when not in use, and the biasing direction of the leaf spring is reversed by pressing the push button when in use. Then, the pull tab member pops out to the grippable position, and in the process, the stopper plate is rotated in conjunction with the unlocked position.

[Problems to be Solved by the Invention] However, in this conventional device, since the push button protrudes toward the front side of the main body case by an amount corresponding to the pushing amount, the push button is unintentionally hit by something hitting the push button. When pushed in, the pull tab member may accidentally jump out to the front of the door. When another object collides with the protruding pull-out member, the other thing may be damaged or the pull-out member itself may be broken and distorted. May be injured.

Further, in this conventional device, when the pulling member is pushed back to the main body case, the stopper plate rotates in conjunction with the pulling member and moves to the locking position protruding to the side of the main body case. When you close the door after returning,
When the tip end of the pull tab member collides with the front edge frame part or the receiving part of the fixed frame body such as the distribution box body, the component parts such as the stopper plate and the fixed frame body may be damaged.

Therefore, an object of the present invention is to prevent the pulling member from popping out of the main body case due to accidental contact with another object, so that there is no possibility of damage or distortion of other objects or the pulling member or tearing of clothes, and it is interlocked with the pulling member. The door is locked by the latch body that moves to the unlocking position and automatically moves back and forth by the collision with the receiving part, so the door can be closed and locked with one touch, and there is no damage to components due to erroneous operation. A flat handle device is provided.

[Means for Solving the Problems] Hereinafter, a description will be given using the reference numerals in the accompanying drawings. The latch actuated flat handle device of the present invention includes a main body case 3 fixed to a door 2 of a fixed frame body 1; A handle member 6 that is wholly housed in the hollow portion 4 of the main body case 3 and slides along the front wall portion 5 of the main body case 3; and is housed between the partition wall portion 7 and the pull member 6 of the main body case 3, A spring 10 for biasing the pull member 6 to return so that the finger hook 8 of the pull member 6 appears in the front window hole 9 of the main body case 3;
A locking operation plate 13 which is pivotally attached to a vertical pivot 12 and rotates along the rear wall portion 11; the receiving portion 1 on the fixed frame 1 side.
5 is provided by slidingly guiding the locking operation plate 13 so as to engage with the rear side space of the receiving portion 15 and is biased by the spring 14 in the direction of engaging with the receiving portion 15 to perform the locking operation. A latch body 16 that rotates along the back surface of the money receiving portion 15 and escapes from the space on the back side of the money receiving portion 15 when the plate 13 rotates; 1
7, a cam projection 19 that is inserted into the passive long hole 18 of the locking operation plate 13, and a cam slope surface that abuts on the receiving portion 15 and slides the latch body 16 backward on the back side of the tip of the latch body 16. The part 20 is provided.

[Operation] In this latch-operated flat handle device, the main body case 3
When a finger is inserted through the front window hole 9 and the pulling member 6 is slid down against the bias of the spring 10, the cam projection 19 pushes the edge surface 18a of the passive elongated hole 18, so that the locking operation plate 13 Rotates in conjunction with the pivot 12. When the locking operation plate 13 rotates, the latch body 16 mounted on the locking operation plate 13 rotates together with the locking operation plate 13. The rotation of the latch body 16 is performed along the back surface of the money receiving portion 15, and the latch body 16 rotated in the direction of the arrow as shown in FIGS. Escape completely from. As a result, the engagement between the latch body 16 and the money receiving portion 15 is released, so that the lock of the door 2 with respect to the fixed frame body 1 is released, and the door 2 is opened by pulling the pull member 6 toward you.

When the finger is removed from the finger hook 8 after the door 2 is opened, the pull tab member 6 immediately returns and slides due to the bias of the spring 10. Finger hook 8
When it slides until it appears in the front window hole 9 of the main body case 30, the edge surface 18b on the other side of the passive elongated hole 18 is attached to the cam projection 19.
The locking operation plate 13 pressed by returns to its original position and rotates,
The latch body 16 that rotates integrally with the locking operation plate 13 returns to the position where the cam slope portion 20 projects at a right angle to the rear side of the body case 3.

When the door 2 is closed after the required work is completed, the cam slope 20 of the latch body 16 contacts the front edge of the receiving portion 15 at the final stage, so that the latch body 16 resists the bias of the spring 14. And then slide backwards. At the moment when the door 2 is completely closed and the latch body 16 passes through the receiving portion 15, the latch body 16 slides forward due to the urging force of the spring 14 and engages with the rear surface side of the receiving portion 15. As a result, the door 2 is again locked to the fixed frame body 1.

[Embodiment] In the illustrated embodiment, the fixed frame body 1 is a switchboard housing box body, and the door 2 is attached to the fixed frame body 1 by a hinge at one end. A vertically long attachment long hole 21 is provided at the other end of the door, and the thin box-shaped main body case 3 fitted in the attachment long hole 21 has an outer flange portion 22 in contact with the front surface of the door 2. There is. The mounting boss 23 projecting from the back surface of the upper and lower ends of the outer flange 22 is inserted into the through hole 24 of the door 2, and the body case 3 is screwed into the screw hole 26 of the mounting boss 23 via the cylindrical washer 25. It is fixed to the door 2 with screws 27.

The front wall portion 5 of the main body case 3 has a curved cross section to reduce the catching resistance. A vertically long back plate 28 having a groove hole 17 formed at the center of the lower half is caulked and fixed to the vertically long opening of the back surface wall portion 11 of the body case 3, and the vertically long cavity portion 4 of the body case 3 is attached to the back. It is formed between the plate 28 and the front wall portion. A stop step portion 29 with which the upper end surface of the pull tab member 6 abuts is provided in the upper portion of the hollow portion 4, and the finger hook portion 8 is formed in a semicircular shape.

Although the cylindrical cam projection 19 is fixed to the pull tab member 6 by the lock pin 30 that is driven into the back surface of the pull tab member 6, it may be formed integrally with the pull tab member 6.
The return spring 10 of the pull tab member 6 is composed of a compression coil spring. A lock 31 is embedded and fixed in the pull tab body 6, and a lock plate 33 which is interlocked with a rotor 32 of the lock 31 engages with a receiving hole 35 of a side wall portion 34 of the main body case 3 to fix the pull tab member 6 to the main body. Lock case 3 Therefore, a person who does not have a predetermined key cannot slide the pull tab member 6.

The vertical pivot 12 is composed of a screw that is screwed into the screw hole 53 of the back wall portion 11, and two inclined passive elongated holes 18 are formed at symmetrical positions with respect to the pivot 12. Locking operation plate 13
Has an arcuate hole 36 centered on the pivot 12,
The head of the screw 37 screwed into the screw hole 54 of the rear wall portion 11 through the arcuate hole 36 serves as a guide member that prevents the locking operation plate 13 from floating from the rear wall portion 11 of the main body case 3. ing. Since these screw holes 53 and 54 are formed symmetrically with respect to the longitudinal center line of the main body case 3 and are suitable for both the screw type pivot 12 and the guide screw 37, the locking operation plate 13 The plane handle device can be used as both a left-opening door and a right-opening door by rotating the main body case 3 by rotating it 180 degrees.

The locking operation plate 13 has a rising plate portion 38, 39 close to the passive elongated hole 18 and a through hole 4 for connecting the locking rod rods 40, 41.
2 and 43 are provided, and a through hole 46 for connecting the locking rod rod 45 is formed in the rising plate portion 44 near the arc-shaped hole 36.
Is provided. The tip portions of these rod rods for locking are engaged with and disengaged from the receiving holes provided in the opening edge portion of the fixed frame body 1, and are used to lock the door 2 at multiple points.

On the locking operation plate 13, two bearing plate parts 47 and 48 aligned with the guide screw 37 and the pivot 12 are erected, and the main body part of the latch body 16 is inserted into the square hole 49 of the outer bearing plate part 48. The shaft rod portion 50 of the latch body 16 is fitted and inserted into the round hole 51 of the inner bearing plate portion 47. The return spring 14 of the latch body 16 composed of the compression coil spring is the shaft rod portion 5
It is fitted to 0, and is provided between the square flange portion 52 of the latch body 16 and the bearing plate portion 47. The latch body 16 can be attached to the locking operation plate 13 via another guide plate or a latch case.

[Advantage of the Invention] As described above, in the flat handle device of the present invention, the pulling member 6 which is entirely housed in the hollow portion 4 of the main body case 3 has a finger inserted through the front window hole 9 of the main body case 3. It is only pulled down and slid along the front wall portion 5 of the main body case 3 by hanging it on the portion 8, and the pulling member 6 does not jump out from the main body case 3 even if another object accidentally contacts. Therefore, the damage and the damage of the pull member and the tearing of the clothes unlike the conventional device cannot occur.

Further, with respect to the locking operation plate 13 that is rotationally driven by the cam projection 19 of the pull member 6, the latch body 1 that automatically moves backward when the cam slope 20 contacts the receiving portion 15.
Since 6 is equipped, the door 2 is locked with respect to the fixed frame body 1 only by closing the door 2 with the finger released from the finger hook portion 8 of the pull tab member 6, and the door 2 is closed. It can be locked easily with one-touch operation, and there is no risk of damage to components due to erroneous operation as in the conventional device.

[Brief description of drawings]

1 is a front view of the flat handle device according to an embodiment of the present invention, FIG. 2 is a rear view of the flat handle device, and FIG. FIG. 4 is a left side view of the plane handle device, and FIG. 4 is a right side view of the plane handle device. 5 is a plan view of the flat handle device, FIG. 6 is a bottom view of the flat handle device, FIG. 7 is a sectional view taken along line AA of FIG. 1, and FIG. 1. It is the BB sectional view taken on the line of FIG. 1 ... Fixed frame, 2 ... Door, 3 ... Main body case, 4 ...
Cavity, 5 ... Front wall, 6 ... Pull member, 7 ... Partition wall, 8 ... Finger rest, 9 ... Front window hole, 10 ... Return spring, 11 ... Rear wall , 12 …… Vertical axis, 13 ……
Locking operation plate, 14 ... Return spring, 15 ... Receiving part, 1
6 ... Latch body, 17 ... Rear groove hole, 18 ... Passive elongated hole, 18a ... Edge surface, 18b ... Edge surface, 19 ... Cam projection, 20 ... Cam sloped surface, 21 ... Mounting length Hole, 22 ...
Outer collar part, 23 ... Mounting boss, 24 ... Through hole, 25 ... Washer, 26 ... Screw hole, 27 ... Fixing screw, 28 ... Back plate, 29 ... Stop step portion, 30 ... … Lock pin, 31
... Lock, 32 ... Rotor, 33 ... Lock plate, 34 ...
... Side wall part, 35 ... Receiving hole, 36 ... Arc-shaped hole, 37 ...
... Guide screws, 38,39 ... Standing plate parts, 40,41
...... Locking rod rods, 42, 43 ...... Connection through holes, 44
...... Rising plate portion, 45 ...... Locking rod rod, 46 ...... Connecting through hole, 47,48 ...... Bearing plate portion, 49 ...... Guide square hole, 50 ...... Shaft rod portion, 51 ...... Round hole, 52 ... Square flange, 53 ... Screw hole, 54 ... Screw hole

Claims (1)

[Scope of utility model registration request] 1. A main body case 3 fixed to a door 2 of a fixed frame body; a pulling member which is entirely accommodated in a hollow portion 4 of the main body case 3 and slides along a front wall portion 5 of the main body case 3. 6 and;
It is accommodated between the partition wall portion 7 of the main body case 3 and the pull tab member 6, and the finger hook portion 8 of the pull tab member 6 has a front window hole 9 of the main body case 3.
Spring 10 for biasing the pulling member 6 to return so as to appear in
A locking operation plate 13 pivotally attached to the rear wall 11 of the main body case 3 by a vertical pivot 12 and rotating along the rear wall 11, and a receiving portion 15 and a receiving portion 15 of the fixed frame 1 side. The lock operation plate 13 is slidably guided so as to be engaged in the space on the back side, and is urged to slide in the direction of engaging the receiving portion 15 by the spring 14 so that the lock operation plate 13 receives the rotation when rotating. A latch body 16 that rotates along the back surface of the portion 15 and escapes from the space on the back surface side of the receiving portion 15;
Of the cam projection 19 inserted into the passive elongated hole 18 of
On the rear surface side of the tip of the latch body 16, there is provided a cam slope portion 20 that abuts the receiving portion 15 and slides the latch body 16 backward.
A latch-operated type flat handle device for rotationally driving the locking operation plate 13 by sliding the pulling member 6.