JP3348048B2 - Closed lock handle device for sliding door - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock handle device used for two front and rear sliding doors, which draws and locks between a front door and a rear door in a closed state by rotating an operation handle.

[0002]

2. Description of the Related Art Conventional locking devices for sliding doors require
An opening penetrating in the left-right direction is provided in the main part of the operation handle that projects to the front side of the fixed case when locking, in order to make it easy for an operator to put his finger on the operation handle. However, in such a structure, when the operation handle is pushed into the fixed case with the finger inserted in the opening, the finger may be pinched between the fixed case and the operation handle, and the finger may be broken or injured. There was.

[0003]

SUMMARY OF THE INVENTION Accordingly, the object of the present invention is as follows.
An object of the present invention is to provide a closed lock handle device for a sliding door that does not injure a finger due to an erroneous operation.

[0004]

Hereinafter SUMMARY OF THE INVENTION The features of the present will be described using reference numerals in the accompanying drawings invention, the front side door 22
The operation handle 4 is pivotally attached to a fixed case 3 attached to the rear door 23 so that the operation handle 4 can be protruded and retracted by a pivot 10. A receiving block 18 is fixed to a receiving case 16 attached to the back door 23. When the front door 2 is pressed and rotated, the arc-shaped frame 4c of the operation handle 4 is engaged with the receiving block 18 so that the rear door 23 is
In the hermetically locked lock handle device for a sliding door which is adapted to be pulled and locked to the lock 2, the operation handle 4 is locked at the front wall portion when locked.
4e so that it is almost flush with the front surface of the fixed case 3.
It is formed in an arc shape with the front wall portion 4e of the operation handle 4.
A finger hook 4f is formed at the meeting portion with the edge frame 4c,
At the front edge of the operation handle storage section 3h of the fixed case 3,
A finger insertion recess 3i is formed facing the finger hook 4f.
And the whole is submerged in the operation handle storage section 3h at the time of locking.
On the other hand, the main part of the operation handle 4 that projects to the front side of the fixed case 3 when unlocking is not provided with an opening penetrating left and right.

In the closed lock handle device for a sliding door constructed as described above, the main part of the operation handle 4 protruding to the front side of the fixed case 3 is pulled sideways so that the front door 22 is brought to the normal closed position. After moving it horizontally ,
When the dollar 4 is rotated around the pivot 10 and pushed in until the front wall 4e is substantially flush with the front of the fixed case 3, the arc-shaped frame 4c of the operation handle enters the receiving case 16 and It engages while rubbing against the block 18 . In the process of this engagement operation, the back side door 23 is pulled toward the front side door 22 by the shape of the arc-shaped edge frame portion 4c, and the front side door 22 and the back side door 23 are attracted and locked to each other .

To open the front door 22, the fixed case 3
Finger to finger insertion recess 3i put the fingertip of the operating handle 4
A finger is hung on the hook 4f, and the operation handle 4 is pulled out from the fixed case 3 about the pivot 10 and rotated. Due to this rotation of the pull-out, the engagement between the arc-shaped frame 4c and the receiving block 18 is released, so that the fastening and locking of the front door 22 with respect to the rear door 23 are released. Therefore, the front door 22 is opened by grasping the main part of the operation handle 4 protruding to the front side of the fixed case 3 or by pulling a separately prepared pull tab sideways.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The illustrated closed lock hand for a sliding door
In the fixing device , the fixed case 3 is fitted into the receiving hole 22a of the front door 22 from the front side, and is fixedly fastened to the front door 22 by screws 14 via the mounting plate 9 abutted from the rear side. At the upper part of the fixed case 3, a lock unit accommodation portion 3a is provided.
Is formed, and the lock unit 24 accommodated therein is formed.
The locking projection 8a of the set plate 8 fitted into the side recess of the fixed case 3 and fixed by the screw 13 is engaged with the side receiving groove 24b. As a result, the lock unit 24 is prevented from rotating and being removed.

A cam insertion hole 3d formed in the bottom of the lock unit housing 3a is provided with a rotor 2 of the lock unit lock 24.
A cam 6 fitted to the tip of 4a is inserted. The lock plate 5 in which the driving portion 6a of the cam 6 is engaged with the cam groove 5b at the base end is inserted into the lock plate insertion groove 3e formed on the rear side of the fixed case. A cover plate 7 is fastened and fixed to the rear surface of the fixing case 3 with screws. A click ball insertion hole 3g is formed in the groove wall portion of the lock plate insertion groove 3e so as to be orthogonal thereto, and the click ball 12 inserted therein is biased by the compression spring 11 to move toward the lock plate 5. Then, the upper and lower positioning grooves 5c of the lock plate 5 are engaged and disengaged.

A receiving case 16 is fastened and fixed via a washer plate 26 to a receiving case substrate 17 which is fastened and fixed to the back side door 23 with screws 25. Receiving case 1
A receiving block 18 is fastened and fixed to one of the left and right inner wall surfaces by screws 19 passing through a slot 20 for adjustment in the front-rear direction. One side surface of the main portion of the operation handle 4 that protrudes and rotates toward the front side of the fixed case 3 when unlocked is closed by a side wall 4g formed integrally with the base material. The other side of the main part is a fan-shaped side wall plate 4.
h is closed by fitting. The side wall plate 4h is fastened and fixed to the operation handle main body by a screw 4j screwed into a screw hole of the inner side boss 4k of the side wall 4g.

An operation handle 4 having a shaft hole 4a as a center of curvature.
The arc-shaped edge frame portion 4c has a front wall portion 4e as shown in FIG.
Is formed so that the radius of curvature decreases toward the tip corner 4m from the center. In the portion of the metal receiving block 18 that engages with the locking projection 18a, the width of the arc-shaped edge frame 4c is formed in a tapered shape tapering toward the corner 4m. An O-ring 15 is fitted in an annular groove 4b formed concentrically with the shaft hole 4a of the operation handle 4. The end of the pivot 10 protrudes through a shaft hole 3f in the left and right side walls of the fixed case 3.

In this closed lock handle device for a sliding door,
After moving the front door 22 horizontally to the proper closed position ,
The handle 4 is rotated about the pivot 10 so that the front wall 4
When e is pushed until it is substantially flush with the front surface of the fixed case 3, the arc-shaped frame 4c of the operation handle is moved to the receiving case 1.
6 and engages while rubbing against the locking projection 18 a of the receiving block 18. In the process of this engagement operation, the back side door 23 depends on the shape of the aforementioned arc-shaped edge frame portion 4c.
Is pulled toward the front side door 22, and the front side door 22 and the back side door 23 are attracted to each other and locked.

When the rotor 24a of the lock unit 24 is rotated by a predetermined key 27 after the operation handle 4 is stored in the fixed case 3, the cam 6 attached to the tip of the rotor rotates and the cam 6 is rotated. The drive unit 6a pushes the inner wall surface of the cam groove 5b of the lock plate 5. As a result, the lock plate 5 moves downward, and the tip locking portion 5a of the lock plate 5 fits into the receiving hole 4d of the operation handle 4. As a result, the operation handle 4 is restrained by the fixed case 3 in the storage position. As the lock plate 5 moves downward, the click ball 12 escapes from the upper positioning groove 5c of the lock plate 5 and engages with the lower positioning groove 5c.

To open the front side door 22, the rotor 24a of the lock unit 24 is turned by the key 27 and the lock plate 5 is opened.
Is moved upward to release the restriction of the operation handle 4 by the lock plate 5. Then, the finger hook 4 of the operation handle 4
With a finger on f, the operating handle 4 is pulled out of the fixed case 3 about the pivot 10 and rotated. Due to the rotation of the pull-out, the engagement between the arc-shaped edge frame portion 4c and the receiving block 18 is released, so that the fastening and locking of the front door 22 to the back door 23 are released, and the front door 22 can be opened.

[0014]

As described above, in the closed lock handle device for a sliding door according to the present invention , the operation handle 4 is locked at the front wall when the door is locked.
So that the portion 4e is almost flush with the front surface of the fixed case 3.
And the front wall 4e of the operation handle 4 and the arc
A finger hook portion 4f is formed at a meeting portion with the frame portion 4c,
At the front edge of the operation handle storage part 3h of the fixed case 3
A finger insertion recess 3i is formed facing the finger hook 4f.
At the time of locking, the entire operation handle storage part 3h
While the main body of the operation handle projecting to the front side of the fixed case 3 at the time of unlocking does not have an opening penetrating left and right, a finger may be erroneously operated between the fixed case 3 and the operation handle 4. This eliminates the risk of injuries to fingers when being pinched.

[Brief description of the drawings]

FIG. 1 is a front view of a closed lock handle device for a sliding door according to one embodiment of the present invention.

FIG. 2 is a right side view of the closed lock handle.

FIG. 3 is a rear view of the closed lock handle.

FIG. 4 is a plan view of the closed lock handle.

FIG. 5 is a bottom view of the closed lock handle.

FIG. 6 is a sectional view taken along line AA of FIG. 1;

FIG. 7 is a sectional view taken along the line BB of FIG. 1, showing a locked state.

FIG. 8 is a sectional view taken along the line BB of FIG. 1, showing an unlocked state.

FIG. 9 is a sectional view taken along the line CC of FIG. 8;

FIG. 10 is a sectional view taken along line DD of FIG. 7;

[Explanation of symbols]

 Reference Signs List 3 Fixing case 4 Operation handle 4g Side wall 4i Bearing 5 Lock plate 6 Cam 7 Cover plate 10 Axis 12 Click ball 16 Receiving case 18 Receiving block 22 Front door 23 Back door 24 Lock unit 29 Through hole 30 Trigger lever 31 Shaft pin 32 Torsion coil spring

Claims (1)

(57) [Claims] An operation handle is pivotally mounted on a fixed case attached to a front door so as to be able to protrude and retract by a pivot, and a receiving block is fixed to a receiving case attached to a back door. When the operation handle 4 is pushed into the fixed case 2 and rotated, the back side door 23 is pulled to the front side door 22 by engaging the arc-shaped edge frame portion 4c of the operation handle 4 with the receiving block 18 to lock the sliding door. In the closed lock handle device, when the operation handle 4 is locked, the front wall 4e is fixed to the fixed case 3.
It is formed to be almost flush with the front of the
Meeting of the front wall 4e of the handle 4 and the arc-shaped frame 4c
A finger hook portion 4f is formed in the
Facing the finger hook 4f at the front edge of the handle 3h
As a result, a finger insertion recess 3i is formed.
The sealing for a sliding door, characterized in that the main part of the operation handle 4 which projects to the front side of the fixed case 3 when unlocked is not provided with an opening penetrating left and right while the whole is immersed in the operation handle storage part 3h. Lock handle device.