JPH0996133A - Removable lock handle device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a retainer panel from projecting from the rear surface side and to prevent the retainer panel and a stationary frame from being broken, by surely locking a rotor in a retainer body during unlocking. SOLUTION: A driven leg and a turning angle regulating leg of a rotor 10 are always engaged in an interlocking cut-out in a locking plate 13. During unlocking, a spring 19 is urged forward so that a locking pawl part of the locking plate 13 is engaged in a groove 5 between turn regulating protrusions of a retainer body 6. Due to this engagement, the rotor 10 is unrotatably caught in the retainer body 6, and accordingly, the front end part of a retainer plate 16 is prevented from projecting from the rear surface of a door 1. Thereby it is possible to the retainer plate 16 and a stationary frame 17 from being broken or peeled off.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a removable lock handle device used for a door of a switchboard storage box or the like.

[0002]

2. Description of the Related Art In a conventional detachable lock handle device, a shaft hole into which a rotor is inserted is provided in a seat body, an inner collar is projected on a peripheral surface of a front end portion of the shaft hole, and reaches the rear of the inner collar. A split groove is provided at the front end of the rotor, a receiving groove communicating with the split groove is provided in the inner collar, and an axially movable locking body is fitted in the split groove and is engageable with the receiving groove. The lock body is provided with a locking portion that comes into contact with the rear surface of the inner collar and the lock body, and the lock body is biased to move forward by a spring, and the drive projection inserted into the receiving groove and the split groove is used as the operation handle. It is provided.

However, in this conventional device, when the operation handle is pulled out from the seat body, the rotor is not unrotatably restrained with respect to the seat body, so that the rotor is connected to the rear end portion of the rotor. The stopper plate may come to a position protruding to the outside of the back surface of the door when the door is open. If you accidentally try to close the door in this state, the stopper plate may collide with the edge of the fixed frame body and the paint on the surface of the fixed frame body may peel off. There is a risk of damage.

[0004]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to remove a stopper plate without protruding to the outside of the back surface of the door because the rotor is accurately locked to the seat body when unlocked. A type lock handle device is provided.

[0005]

The detachable lock handle device of the present invention is provided with a receiving hole 3 in the front surface thereof, and the inner wall surface circumference on the front surface side is described below. A cylindrical seat body 6 in which the rotation restricting projections 4 and 4 are projectingly provided; and is housed in the seat body 6 so as to be immovable in the axial direction,
A rotor 10 in which a passive leg 7 and a rotation angle regulating leg 8 are axially provided at a front end portion and a connecting shaft portion 9 of a stopper plate 16 is continuously provided at a rear end portion; The movable leg 7 is provided with a locking claw portion 11 projecting on the outer peripheral surface, which is engaged with the locking groove 5 between the rotation restricting protrusions 4 and 4 at the time of locking and unlocking. And a locking plate 13 having interlocking notches 12 with which the rotation angle regulating legs 8 are constantly engaged, provided between the locking claw portions 11, 11; An operating handle 15 having a driving projection 14 provided at a tip end thereof for engaging a side surface of the leg 7; a spring 19 inserted between the rotor 10 and the lock plate 13 to urge the lock plate 13 to move forward.
Consists of

As shown in FIG. 2, when the stopper plate 16 is engaged with the receiving plate 18 on the side of the fixed frame 17, the locking plate 13 is locked.
Is in the advanced position by the biasing force of the spring 19, and FIG.
As shown in FIG. 5, the locking claw portion 11 of the locking plate 13 is engaged with the locking groove 5 between the rotation restricting protrusions 4 and 4 of the seat body 6, while the passive leg 7 of the rotor 10 is engaged. Since the rotation angle regulating leg 8 is engaged with the interlocking notch 12 of the lock plate 13, the rotor 10 is constrained from rotating relative to the seat body 6. The rotation angle restricting leg 8 of the rotor 10 is in the loose groove 27 between the rotation restricting protrusions 4 and 4, and is in contact with the side surface of one of the rotation restricting protrusions 4.

When the door 1 is unlocked, the operation handle 1
5 is inserted into the receiving hole 3 of the receiving body 6 and the locking plate 13
Is retracted against the bias of the spring 19. The locking claw portion 11 of the lock plate 13 escapes from the lock groove 5 of the seat body 6, so that the rotor 10 is released from the seat body 6. When the operation handle 15 is rotated in a predetermined direction while being pressed, the driving protrusion 14 of the operation handle 15 is moved to the rotor 10
Since the side surface of the passive protrusion 7 is pushed, the rotor 10 rotates in the unlocking direction.

Since the passive leg 7 and the rotation angle regulating leg 8 are engaged with the interlocking notch 12, the locking plate 13 is integrated with the rotor 10 in the space on the back side of the rotation regulating projections 4 and 4. To rotate. Rotation of the rotor 10 is stopped by the rotation regulating projection 8 of the rotor 10 that has rotated in the floating groove 27 of the seat main body 6 coming into contact with the rotation regulating projection 4 on the opposite side. 16 is separated from the receiving money 18 on the fixed frame 17 side. This releases the restraint of the door 1 with respect to the fixed frame body 17, and the door 1 is operated by the operation handle 15
It is opened by pulling it toward you.

After the door 1 is opened, the operating handle 15 is pulled out from the receiving hole 3 of the seat body 6, and the lock plate 13 is guided by the passive projection 7 and the rotation angle regulating leg 8 to urge the spring 19. The locking claw portion 11 of the lock plate 13 is moved forward by the
Since it engages with the lock groove 5 of the
The rotor 10 is non-rotatably restrained with respect to the seat body 6.

After the door 1 is closed, the operating handle 15 is rotated in the reverse direction, and when the stopper plate 16 is engaged with the catch 18 and is in the locked state, the lock plate is pulled out from the receiving hole 3 of the seat body 6. 13 is advanced by being guided by the passive projection 7 and the rotation restriction projection 8 with which the interlocking notch 12 is engaged, and the locking claw portion 11 of the locking plate 13 is locked by the locking groove 5 of the seat body 6. To engage
The rotor 10 is again fixed to the seat body 6 so as not to rotate.

Due to the gap left between the receiving hole 3 of the seat main body 6 and the driving projection 14 of the operating handle 15, the operating handle 15 is receiving hole while the rotor 10 cannot be correctly reverse-rotated to the locked position. When it is taken out of the lock plate 3, the locking claw portion 11 of the lock plate 13 as shown in FIG.
Since a part of the lock plate 13 contacts a part of the back surface of the rotation restricting protrusion 4 of the seat body 6, the locking plate 13 is retained at the position retracted to the inner side of the receiving hole 3.

[0012]

In the illustrated embodiment, a flange portion 20 that abuts on the front surface of the door 1 is provided on the front surface portion of the main body member 6 that is fitted into the mounting hole 2 of the door 1 from the front side. A positioning protrusion 22 is provided on the back side of the protrusion, and a waterproof packing 21 is inserted between the door 1 and the collar 20.
An annular groove 24 is provided on the outer periphery of the intermediate portion of the rotor 10, and a waterproof O-ring 23 is fitted in the annular groove 24. An annular groove 26 provided on the inner wall surface on the back side of the body member 6
The removal preventing ring 25 of the rotor 10 is fitted in the.

The receiving hole 3 of the seat main body 6 is provided in a cross shape, four locking claws 11 of the lock plate 13 are provided at 90-degree intervals, and the interlocking notches 12 are locking claws 11. More phase 4
Four of them are provided at intervals of 90 degrees with a shift of 5 degrees, and two of the drive projections 14 of the operation handle 15 are provided so as to face each other on the diameter, and the rotation angle of the rotor 10 from the locked position to the unlocked position is 90 degrees. It is set. Energizing spring 1 of locking plate 13
Reference numeral 9 is a compression coil spring.

[0014]

As described above, in the detachable lock handle device of the present invention, the passive leg 7 and the rotation angle regulating leg 8 of the rotor 10 are always engaged with the interlocking notch 12 of the lock plate 13. At the time of unlocking, the locking claw portion 11 of the locking plate 13 is engaged with the locking groove 5 between the rotation restricting protrusions 4 and 4 of the seat body 6 by the forward biasing force of the spring 19 to allow the rotor 19 to rotate. 1
Since 0 is non-rotatably restrained with respect to the seat body 6, the tip of the stopper plate 16 does not inadvertently protrude outside the rear surface of the door 1, and the stopper plate 16 remains protruding. It is possible to prevent damage to the stopper plate 16 and the fixed frame 17 and peeling of the coated surface due to the closing of the door 1.

Further, when the operating handle 15 is pulled out from the seat main body 6 before the rotor 10 is correctly rotated in the reverse direction to the locked position, a part of the locking claw portion 11 of the lock plate 13 is removed. By contacting the back surface of the rotation restricting protrusion 4 of the seat body 6, the lock plate 13 is restrained in the position retracted deep inside the receiving hole 3, so the operator pays attention to the position of the lock plate 13. The success or failure of locking can be visually confirmed.

[Brief description of drawings]

FIG. 1 is a front view of a door equipped with a removable lock handle device according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a right side view of the lock handle device.

FIG. 4 is a front view of a rotor used in the lock handle device.

FIG. 5 is a rear view of the lock handle device.

FIG. 6 is a front view of a lock plate used in the lock handle device.

FIG. 7 is a right side view of a rotor used in the lock handle device.

FIG. 8 is a rear view of a seat body used in the lock handle device.

9 is a sectional view taken along line BB of FIG.

FIG. 10 is a positional relationship between the locking groove of the seat main body and the locking claw portion of the locking plate when locking the lock handle device, and the notch for interlocking the locking plate and the passive leg and rotation of the rotor. It is a rear view showing the positional relationship with the angle-regulating leg.

FIG. 11 is a rear view showing the positional relationship between the rotation restricting protrusion of the seat body and the locking claw portion of the lock plate when the lock handle device is not locked.

FIG. 12 is a right side view of a distal end portion of an operation handle used in the lock handle device.

FIG. 13 is a rear view of the operation handle.

[Explanation of symbols]

 1 Door 2 Door Mounting Hole 3 Receiving Body Receiving Hole 4 Receiving Body Rotation Limiting Protrusion 5 Receiving Body Locking Groove 6 Receiving Body 7 Rotor Passive Leg 8 Rotor Rotation Angle Limiting Leg 9 Rotor connecting shaft 10 Rotor 11 Locking plate locking claw 12 Locking plate interlocking notch 13 Locking plate 14 Operation handle driving protrusion 15 Operation handle 16 Stopper plate 17 Fixed frame 18 Fixed frame Body side receiving 19 Locking plate biasing spring

Claims (1)

[Claims] 1. A cylindrical seat body 6 having a receiving hole 3 in a front surface thereof, and projections 4 and 4 for restricting rotation provided on the circumference of an inner wall surface on the front side; Is immovably housed in
A rotor 10 in which a passive leg 7 and a rotation angle regulating leg 8 are axially provided at a front end portion and a connecting shaft portion 9 of a stopper plate 16 is continuously provided at a rear end portion; The movable leg 7 is provided with a locking claw portion 11 projecting on the outer peripheral surface, which is engaged with the locking groove 5 between the rotation restricting protrusions 4 and 4 at the time of locking and unlocking. And a locking plate 13 having interlocking notches 12 with which the rotation angle regulating legs 8 are constantly engaged, provided between the locking claw portions 11, 11; An operating handle 15 having a driving projection 14 provided at a tip end thereof for engaging a side surface of the leg 7; a spring 19 inserted between the rotor 10 and the lock plate 13 to urge the lock plate 13 to move forward.
Detachable lock handle device consisting of.