JP3032360U - Lock handle device for drawer revolving door - Google Patents

Abstract

(57) [PROBLEMS] To provide a lock handle device for a drawer rotary type door, which can shorten the entire length of the casing while sufficiently securing the effective length of the grip portion of the handle, and has good operability. . SOLUTION: A lock plate 36 is fixed to a locking shaft 11 fitted and inserted in a shaft tube portion 2 of a casing 1, and a handle 18 housed in a front concave portion 3 of the casing 1 is pivotally attached to the locking shaft 11 by a pivot shaft 37. The handle 18 is rotationally biased by the drive spring 38 in the projecting direction, and the push button 3 is attached to the button case 24 of the solid casing 1 at the tip of the front recess 3 of the casing 1.
0 is pivotally attached by a pivot 39, and the push button 30 is rotationally biased by a posture holding spring 40 in a direction in which the locking projection 25 of the push button 30 and the locking claw portion 31 of the handle 18 are engaged,
A lock plate 45 that engages with the locking projection 26 of the button case 24 is interlocked with the rotor 42 of the lock unit 41 embedded and fixed in the handle 18.

Description

[Detailed description of the device]

[0001]

TECHNICAL FIELD The present invention is used for a distribution box housing box, etc., and is a pull-out rotary type in which a handle plate is pulled out from a casing and then rotated by a predetermined angle so that a stopper plate is detached from a receiving portion on a fixed frame body side. The present invention relates to a door lock handle device.

[0002]

2. Description of the Related Art In a lock handle device for a drawer rotation type door disclosed in Japanese Utility Model Laid-Open No. 63-198764, a shaft cylinder is provided at the base end of a casing fixed to the door, and the shaft cylinder is locked. The shaft is fitted so as to be rotatable and immovable in the axial direction, a stopper plate is fixed to the rear end of the locking shaft, the handle is retractably housed in the front recess of the casing, and the base end of the handle is traversed. Is pivotally attached to the front end of the locking shaft, and the drive spring installed between the locking shaft and the handle urges the handle to rotate in the projecting direction around the pivot shaft, and the finger hook projecting on the rear face of the handle is projected. A lock hole is provided in the lock part, the lock unit is embedded and fixed in the lock storage part at the tip of the casing, and the latch body interlocked with the rotor of the lock unit is advanced in the direction of the finger drive protrusion by the return spring. Energize the tip of the latch body The handle is locked at the retracted position by engaging the end portion with the lock hole.

However, in this conventional device, when the operator inserts the key of the lock unit and rotates the rotor in the unlocking direction, the latch body slides backward and is disengaged from the lock hole on the handle side, The handle immediately projects from the casing due to the bias of the drive spring, and the handle may collide with the operator's finger.

In order to prevent the finger from being hit by the handle, the lock unit may be provided separately from the handle tip. However, as the lock unit is separated from the handle tip, it goes without saying that The length of the entire casing will be lengthened. To set a sufficient gap between the lock unit and the handle while avoiding the lengthening of the casing, it is conceivable to shorten the length of the handle, but if the effective length of the grip part is shortened excessively, This solution also has its limitations, as it creates difficulties in the handling of the steering wheel.

[0005]

Therefore, an object of the present invention is to make it possible to shorten the entire length of the casing to a minimum while ensuring a sufficient effective length of the grip portion of the handle, and to further operate the handle. It is an object of the present invention to provide a lock handle device for a drawer revolving door which has good properties.

[0006]

Means for Solving the Problems Hereinafter, referring to the accompanying drawings, in the lock handle device for a drawer rotation side door of the present invention, a casing 1 is fixed to a door 55, and a locking shaft 11 is a casing. A stopper metal plate 36 is fixed to the rear end of the locking shaft 11 so as to be rotatably and axially immovably fitted into the shaft cylinder 2 at the base end of the locking shaft 11.

The base end portion of the handle 18 is pivotally attached to the front end portion of the locking shaft 11 by the transverse pivot shaft 37, and is housed in the front concave portion 3 of the casing 1 so as to be retractable. A drive spring 38 is provided between the locking shaft 11 and the handle 18, and the handle 18 is urged to rotate about the pivot shaft 37 in the protruding direction.

The button case 24 is fixed to the front end portion of the front concave portion 3 of the casing 1, and the push button 30 is pivotally attached to the front end portion of the button case 24 by the transverse pivot shaft 39. An engaging protrusion 25 is provided on the front end side of the front end of the button case 24, and an engaging claw portion 31 is provided on the front end of the push button 30. The posture maintaining spring 4 is provided between the button case 24 and the push button 30. 0, the push button 30 is rotationally biased in the direction in which the locking projection 25 and the locking claw portion 31 engage with each other around the transverse pivot 39.

A locking claw portion 20 is provided at the tip of the handle 18, and the locking claw portion 20 engages with the back surface 32 of the push button 30 on the base end side to hold the handle 18 in the retracted position. .

A lock housing portion 19 is provided at the tip of the handle 18, a lock unit 41 is embedded and fixed in the lock housing portion 19, and a lock plate 45 that moves forward and backward in conjunction with the rotation of the rotor 42 of the lock unit 41 is attached. A locking projection 26 is provided on the intermediate portion on the proximal end side of the button case 24, and a lock plate 45 engages with the locking projection 26 to lock the handle 18 in the retracted position.

As shown in FIG. 3, the stopper plate 36 fixed to the rear end portion of the locking shaft 11 engages with the receiving portion 57 on the fixed frame body 56 side, and the handle 18 is attached to the front surface of the casing 1. When the push button 30 is in the retracted state, the push button 30 is rotationally biased by the posture maintaining spring 39 in the direction in which the front end portion projects from the notch portion 27 of the button case 24, but the push button 30 is engaged with the locking claw portion 31. The stop projection 25 is engaged so that the push button 30 is aligned with the extension of the handle 18. The locking claw portion 20 at the tip of the handle 18 engages with the rear surface 32 of the push button 30 on the base end side, and the handle 18 is held in the retracted position. Further, the lock plate 45 is at the maximum forward position, engages with the locking projection 26 of the button case 24 to lock the handle 18 in the retracted position, and the door 55 with respect to the fixed frame 56. It is locked properly.

When the handle 18 is projected, as shown in FIG. 4, the key 44 is inserted into the key hole 43 of the lock unit 41, the rotor 42 is rotated, and the lock plate 45 is retracted. Then, the engagement between the locking projection 26 and the lock plate 45 is released. At this stage, the handle 18 is still held in the retracted position because the locking claw 20 at the tip of the handle 18 is engaged with the rear surface 32 of the push button 30 on the base end side. When the operator presses the front end portion 33 of the push button 30, the push button 30 rotates about the transverse pivot shaft 39 against the bias of the posture maintaining spring 40, and The engagement between the rear surface 32 and the locking claw portion 20 is released, and the handle 18 instantly projects from the front concave portion 3 of the casing 1 by the action of the driving bar 38.

As shown in FIG. 5, when the handle 18 is projected and the push button 30 is released, the push button 30 is rotated about the transverse pivot 39 by the biasing force of the posture maintaining spring 40. Then, the locking claw portion 31 engages with the locking protrusion 25, and the push button 30 is aligned on the extension of the handle 18. When the protruding handle 18 is grasped and rotated in a predetermined direction, the locking shaft 11 connected to the handle 18 by the transverse pivot shaft 37 is supported by the shaft tube portion 2 and integrally rotates, and the stopper plate 36 is fixed to the fixed frame body 56 side. Is removed from the receiving portion 57 of. Therefore, the door 55 whose lock is released from the fixed frame body 56 is opened by pulling the handle 18 toward you. Upon this opening operation, the lock housing portion 19 at the tip of the handle 18 is used as a suitable finger hook portion.

The door 55 is closed, the handle 18 is rotated in the reverse direction, and the stopper plate 36 is re-engaged with the receiving portion 57 on the fixed frame body 56 side, and then the handle 18 is pushed into the front concave portion 3 of the casing 1. At some times, as shown in FIG. 6, the locking claw portion 20 at the tip end portion of the handle 18 pushes the base end portion 34 of the push button 30. By this pressing, the push button 30 once rotates against the bias of the posture holding spring 40. When the pushing of the handle 18 progresses and the locking claw portion 20 at the tip of the handle 18 crosses over the rear surface 32 of the push button 30 on the base end side, the push button 30 is urged by the posture maintaining spring 40. The push button 30 is instantaneously rotated, the locking claw 31 and the locking projection 25 are engaged, and the push button 30 is aligned with the extension of the handle 18. The locking claw portion 20 at the tip of the handle 18 engages with the rear surface 32 of the push button 30 on the base end side so that the handle 18 is held in the retracted position. In this state, the key 44 is inserted into the key hole 43, the rotor 42 is rotated, the lock plate 45 is moved forward, and the tip of the lock plate 45 is engaged with the locking projection 26 of the button case 24. As shown in FIG. 3, the handle 18 is accurately locked in the retracted position, and the door 55 is locked to the fixed frame body 56.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION In the illustrated embodiment, as shown in FIG. 1, an elongated casing 1 is inserted into a vertically elongated opening 55a of a door 55 from the front side, and an outer peripheral flange portion 4 is projected to the front of the door 55. The U-shaped seat plate 50 straddling the casing 1 and straddling the middle portion of the casing 1 is abutted against the rear surface of the door 55, and the tapping screw 52 is passed through the through hole 51 of the seat plate 50 so that the rear wall 5 of the middle portion is blind. By being screwed into the hole 6, the door 55 is fastened and fixed. A packing 53 is inserted between the front surface of the door 55 and the casing 1.

An O-ring 54 for waterproofing is inserted in the annular groove 12 in the middle of the locking shaft 11, and the locking shaft 11 is contracted in the shaft hole 8 of the back wall portion 7 of the shaft cylindrical portion 2 of the casing 1. The radial shaft portion 13 is inserted and the rotation angle regulating plate 48 and the stopper plate 36 are non-rotatably fitted to the angular shaft portion 14 connected to the reduced diameter shaft portion 13. ing. A C-ring 49 is attached to the annular groove 15 of the reduced-diameter shaft portion 13 to prevent it from slipping out, and the rotation angle regulating plate 48 and the stopper plate 36 are screwed into the screw holes 16 of the angular shaft portion 14. The locking shaft 11 is attached to the shaft tube portion 2 so as not to be pulled out by being fixed with the bolt 47. The back wall portion 7 is provided with a rotation angle regulating projection 9, and the rotation angle regulating plate 48 presses the projection 9 to regulate the rotation angle.

A notch 17 is provided in the front end portion of the locking shaft 11, and a proximal end portion of a handle 18 formed in a semicircular shape in a side view is pivotally mounted in the notch 17 by a transverse pivot shaft 37. As a result, the handle 18 protruding obliquely is supported by the shaft tube portion 2 and can rotate integrally with the locking shaft 11. A rib 21 is provided on a side surface of the handle 18, and a flat surface portion 22 of a base end portion of the handle 18 contacts an inclined surface 17a of the cutout 17 to determine a projection angle of the handle 18 with respect to the casing 1. . The drive spring 38 is a torsion coil spring, the coil portion 38a is inserted into the transverse pivot shaft 37, one linear portion 38c abuts on the bottom surface portion 17b of the notch 17 of the locking shaft 11, and the other linear portion 38b is a handle. It is in contact with the back surface portion 23 of 18.

A notch 27 is provided at the front end of the button case 24, and a push button 30 is pivotally mounted in the notch 27 by a transverse pivot 39. The posture maintaining spring 40 is composed of a torsion coil spring, the coil portion 40a is inserted through the transverse pivot shaft 39, one linear portion 40c abuts the bottom surface portion 27a of the cutout 27 of the button case 24, and the other linear portion. The minute 40b is in contact with the back surface portion 35 of the push button 30.

The button case 24 is provided with a recess 28 on the back side, and a projection is provided on the bottom of the front end of the front recess 3 of the casing 1. By fitting a protrusion into the recess 28, the position where the push button 30 is arranged is determined. Further, two screw holes 29 are provided on the back side of the button case 24, and the screw 46 is inserted into the through hole 10 provided in the back wall portion 5 of the casing 1 to allow the front recess 3 of the casing 1 to be inserted. Fix it by screwing it into the tip of the.

In the present embodiment, a disc tumbler lock mechanism is used as a lock mechanism for locking the rotor 42 of the lock unit 41 to the unit main body 41. This lock mechanism includes a radial pin tumbler lock mechanism and an axial direction tumbler lock mechanism. Any lock mechanism such as a pin tumbler lock mechanism can be incorporated.

[0021]

As described above, in the lock handle device for the drawer / rotating door according to the present invention, the base end portion of the handle 18 is pivotally attached to the front end portion of the locking shaft 11 by the transverse pivot shaft 37, and the front recess portion of the casing 1 is provided. 3, a drive spring 38 is provided between the locking shaft 11 and the handle 18, and the handle 18 is urged to rotate in the protruding direction about the pivot 37, and the button case 24 is pushed. It is fixed to the front end of the front recess 3 of the casing 1, the push button 30 is pivotally attached to the front end of the button case 24 by a transverse pivot 39, and the locking projection 25 is attached to the front end of the button case 24. An engaging claw portion 31 is provided at the tip of the push button 30, an attitude holding spring 40 is provided between the button case 24 and the push button 30, and an engaging projection 25 is provided around the transverse pivot 39. One that engages with the locking claw 31 The push button 30 is rotationally biased in the direction, the locking claw portion 20 is provided at the tip of the handle 18, and the locking claw portion 20 is engaged with the rear surface 32 of the push button 30 on the base end side. The lock plate that holds the lock unit in the retracted position, the lock housing unit 19 is provided at the tip of the handle 18, and the lock unit 41 is embedded and fixed in the lock housing unit 19. 45 is attached, and a locking projection 26 is provided at the intermediate portion on the base end side of the button case 24, and the lock plate 45 engages with the locking projection 26 to lock the handle 18 in the retracted position. Therefore, the handle 18 is projected and rotated from the casing 1 because the push button 30 is pushed by a fingertip after the lock unit 41 is operated and the rear surface 32 of the push button 30 on the base end side and the locking claw portion 20 are pushed. When disengaged Since the fingertip is moving from the front surface of the handle 18 at this point, the operator's finger is never hit by the tip of the handle 18, and therefore the distance between the push button 30 and the handle 18 is kept. Since the lock can be set extremely narrow and the lock accommodation part 19 can be effectively used as a finger-holding part, the length of the handle 18 itself can be shortened by an amount corresponding to the length of the lock accommodation part 19. As a result, according to the present invention, it is possible to shorten the entire length of the casing 1 to the minimum while ensuring the effective length of the grip portion of the handle 18.

Further, according to the mechanism of the present invention as described above, the handle 18 is smoothly retracted into and out of the casing 1, and the operability is also improved.

[Brief description of drawings]

FIG. 1 is a front view of a lock handle device for a drawer rotation type door according to an embodiment of the present invention when a handle is locked.

FIG. 2 is a rear view of the door lock handle device.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a vertical cross-sectional view of the door door lock handle device when the push button is pushed.

FIG. 5 is a vertical cross-sectional view of the door lock handle device when the handle is projected.

FIG. 6 is a longitudinal sectional view of the door lock handle device when the handle is retracted.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Casing 2 Shaft cylinder part 3 Front recessed part 4 Outer peripheral collar part 5 Back wall 6 Blind hole 6 Rear wall of shaft cylinder part 8 Shaft hole 9 Rotation angle regulation projection 10 Through hole 11 Locking shaft 12 Annular groove 13 Reduced diameter shaft part 14 Angle Shaft part 15 Annular groove 16 Screw hole 17 Notch 18 Handle 19 Lock accommodation part 20 Locking claw part 21 Rib 22 Flat part 23 Handle back part 24 Button case 25 Locking protrusion 26 Locking protrusion 27 Notch 28 Recess 29 Screw hole 30 Push Button 31 Locking claw portion 32 Base end rear surface 33 Front end portion 34 Push button base end portion 35 Push button rear end portion 36 Stopper plate 37 Crossing pivot 38 Drive spring 39 Crossing pivot 40 Posture holding spring 41 Lock unit 42 Rotor 43 key hole 44 key 45 lock plate 46 screw 47 bolt 48 rotation angle regulation plate 49 retaining ring 50 mounting plate 51 through hole 2 bis 53 packing 54 O-ring 55 door 56 fixed frame 57 receiving 58 spring washer 59 spacer 60 flat washer 61 spring washer

Claims (1)

[Scope of utility model registration request] 1. A casing 1 fixed to a door 55, and a shaft tube portion 2 at a base end portion of the casing 1 are rotatably and axially immovably fitted and fixed with a stopper plate 36 at a rear end portion. The lock shaft 11 to be retracted and housed in the front concave portion 3 of the casing 1 so as to be retractable and retractable. 20 provided with a handle 18, a drive spring 38 that is provided between the locking shaft 11 and the handle 18, and biases the handle 18 in a protruding direction about the pivot shaft 37, and a front recess 3 of the casing 1. A button case 24 fixed to the front end portion, provided with a locking projection 25 on the front end side of the front end portion, and provided with a locking projection 26 on the intermediate portion on the base end side, and a button case 24 crossing the front end portion It is pivotally attached by a pivot 39 and has a locking claw at the tip. Push button 30 provided with 31
It is equipped between the button case 24 and the push button 30,
A posture-maintaining spring 40 that urges the push button 30 to rotate in a direction in which the locking projection 25 and the locking claw portion 31 engage with each other around the transverse pivot 39, and a lock unit 41 that is embedded and fixed in the lock housing portion 19. The lock claw portion 20 at the tip of the handle 18 is engaged with the rear surface 32 on the base end side of the push button 30. The lock plate 45 moves forward and backward in conjunction with the rotation of the rotor 42 of the lock unit 41. A lock handle device for a drawer rotary door in which the handle 18 is held in the retracted position, the lock plate 45 engages with the locking projection 26 of the button case 24, and the handle 18 is locked.