JP2008133587A - Lock handle device for door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lock handle device for a door, which can be easily and accurately attached to the door, without the use of a rotary tool such as a screwdriver. <P>SOLUTION: A barrel portion 2 is protrusively formed on the upper back surface of a fixed body 1; a receiving cylinder portion 40 of a lock storage cylinder portion 22 is protrusively formed on its lower back surface; locking grooves 41 and 41 are formed on both the right and left side surface portions of the barrel portion 2, respectively; and locking grooves 42 and 42 are formed on both the right and left side surface portions of the receiving cylinder portion 40, respectively. An elastic clip plate 30, which is to be individually inserted into the locking grooves 41 and 41 and the locking grooves 42 and 42, comprises: a pair of base plate portions 34 and 34 which are brought into pressure contact with rear-side groove wall surfaces 43 and 44 of the locking grooves 41 and 42; a V-shaped supporting-point plate 45 which connects root portions of the base plate portions 34 and 34 together and brings them into pressure contact with a backside 27b of the door 27; a finger hook plate portion 31 which is continuously formed on the supporting-point plate portion 45; and V-shaped leading plate portions 33 and 33 which are continuously formed on the supporting-point portion 45; and V-shaped leading plate portions 33 and 33 which are continuously formed at the extremity of the base plate portions 34 and 34, respectively, and which are brought into pressure contact with the backside 27b of the door 27. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door lock handle device that is used in a switchboard, a vending machine, etc., and in a locked state in a normal state, a handle is housed in a fixed case, It is.

In a conventional door lock handle device, a handle is housed in a fixed case so as to be able to move in and out, and a main body portion of the fixed case is fitted into a mounting opening of the door from the front side, and a front collar portion of the fixed case is A washer plate having a U-shaped cross section that was abutted against the front surface of the door and was fitted to the main body portion of the fixed case from the back side was abutted against the back surface of the door, and the screw was inserted from the through hole of the washer plate with a rotary tool such as a screwdriver. An attachment mechanism is used to tighten and fix the fixed case to the door by screwing it into a fixing hole on the back wall of the fixed case, and projecting in a hemispherical shape on the inner side surfaces of the pair of left and right side wall plates of the washer plate A first locking portion made of the formed protrusion is provided, a second locking portion made of a rectangular recess is provided on the left and right outer surfaces of the main body portion of the fixed case, and the bottom area of the second locking portion is Bottom area of the first locking part The first support portion and the second locking portion are elastically engaged with the top portion of the first locking portion abutting against an arbitrary portion of the bottom surface portion of the second locking portion. In combination, the washer plate is attached and held on the main body portion of the fixed case.
However, since there is a work to turn the screw with a rotary tool such as a screwdriver, the work of attaching the fixed case to the door is troublesome, and if the screw is not tightened sufficiently, the fixed case may be wobbled. .

Japanese Patent No. 3373458

The subject of this invention is providing the lock handle apparatus for doors which can attach a fixed main body to a door simply and accurately, without using rotary tools, such as a driver.

The main feature of the present invention is that the handle 4 is accommodated in the fixed case 1 so as to be able to appear and rotate, and the main body portion of the fixed case 1 is fitted into the mounting opening 32 of the door 27 from the front side. The flange 47 is abutted against the front surface 27 a of the door 27, and the elastic clip plate 30 fitted to the stationary case 1 is abutted against the rear surface 27 b of the door 27 from the rear side, whereby the stationary case 1 is brought into contact with the door 27. In the door lock handle device to be attached,
A shaft tube portion 2 is formed to protrude from the upper back surface of the fixed body 1, and a receiving tube portion 40 of the lock housing tube portion 22 of the handle 4 is formed to protrude from the lower back surface of the fixed body. Locking grooves 41, 41 parallel to the rear surface 1a of the fixed case 1 are formed in both side surface portions in a recessed shape at portions extracted from the mounting opening 32, and the fixed case 1 is formed on the left and right side surface portions of the receiving cylinder portion 40. The recesses 42, 42 parallel to the back surface 1a are formed in a recess in the part extracted from the mounting opening 32,
The elastic clip plate 30 inserted individually into the locking grooves 41, 41 of the shaft tube portion 2 and the locking grooves 42, 42 of the receiving tube portion 40,
A pair of leg plate portions 34, 34 that are in pressure contact with the groove wall surfaces 43, 44 on the rear side of the locking grooves 41, 42 and the base portions of the leg plate portions 34, 34 are connected to the back surface 27 b of the door 27. A V-shaped fulcrum plate part 45 that is press-contacted, a finger-hanging plate part 31 that is continuously formed on the fulcrum plate part 45, and a leg plate part 34, 34 that is formed continuously at the front end portion of the leg plate part 34, The shoulder portions 46, 46 are configured by the V-shaped leading plate portions 33, 33 that are in pressure contact, and are engaged with the end portions of the locking grooves 41, 42 at the root portions of the leading plate portions 33, 33. Is formed.

In the door lock handle device of the present invention, the main body portion of the fixed case 1 is fitted into the mounting opening 32 of the door 27 from the front side until the front flange 47 of the fixed case 1 hits the front surface 27a of the door 27. The fixed case 1 is attached to the door 27 by using two elastic clip plates 30, 30 on the back side of the door 2.

One elastic clip plate 30 is attached by inserting a pair of leg plate portions 34, 34 into the locking groove 41 of the shaft tube portion 2 of the fixed body 1, and press-contacting the groove wall 43 on the rear side of the locking groove 41. The fulcrum plate portion 45 of the elastic clip plate 30 and the leading plate portions 33, 33 are pressed against the back surface 27a of the door 27 at two locations above and below the shaft tube portion 2, and the root portions of the leading plate portions 33, 33 are latched. This is done by engaging the shoulders 46, 46 with the edge of the locking groove 41.
The other elastic clip plate 30 is attached by inserting the pair of leg plate portions 34, 34 into the engaging groove 42 of the receiving tube portion 40 of the lock housing tube portion 22 of the fixed body 1. The fulcrum plate part 45 of the finger-holding plate part 31 of the elastic clip plate 30 and the fulcrum plate parts 48 and 48 of the guide plate parts 33 and 33 are placed at two positions above and below the receiving cylinder part 40. This is done by pressing the back surface 27 a of the door 27 and engaging the latching shoulder portions 46, 46 at the base portions of the leading plate portions 33, 33 with the end edges of the locking grooves 42.

The elastic clips 30 are mounted by holding the pair of leg plate portions 34, 34 with the locking grooves 41, 42 while being guided by the leading plate portions 33, 33 by grasping the finger hanging plate portion 31 continuously formed on the fulcrum plate portion 45. It is only necessary to press the fulcrum plate portion 45 and each of the apex portions of the guide plate portions 33 and 33 to the door 27, and the screw screwing operation with a rotary tool such as a screwdriver is omitted. The mounting work is easily performed. Further, the two elastic clip plates 30, 30 are inserted into the locking grooves 41, 41 of the shaft tube portion 2 that is formed to protrude from the back surface of the fixed case 1 and the locking grooves 42, 42 of the receiving tube portion 40. Therefore, the fixed case 1 can be attached to the door 27 stably and accurately.

In the door lock handle device of the illustrated embodiment, the locking shaft 3 is fitted into the axial tube portion 2 in the front-rear direction of the fixed case 1, and the proximal end portion of the handle 4 is connected to the front end portion of the locking shaft 3. The stopper plate 8 is fixed to the rear end portion of the locking shaft 3, and the handle 4 protrudes from the fixed case 1 between the locking shaft 3 and the handle 4. A handle posture holding mechanism for biasing the two stable states of the position alternately is provided, and a lock mechanism for locking the handle 4 to the fixed case 1 when in the retracted position is a tip portion of the handle 4 Built into the side. The fixed case 1 is integrally fitted to the pedestal board 1c.

The handle posture holding mechanism that urges the handle 4 to alternately take two stable states of an immersion position and a protruding position with respect to the fixed case 1 is arranged on the fixed case 1 on the longitudinal center line of the transverse pivot 5. A spring receiving recess 10 formed on the front side of the rear wall portion 9 and offset in an up-down position with respect to the fixing screw hole 6 of the clasp plate 8, and the spring receiving recess 10. A compression coil spring 11 that is housed and elastically deforms along the longitudinal center line of the transverse pivot 5 and a seat receiving recess 12 formed at the front end of the spring acceptance recess 10 are accommodated in the longitudinal direction of the transverse pivot 5. An intermediate seat 13 that is movable along a center line, and the front end of the compression coil spring 11 abuts on the back surface;
An input protrusion 14 formed on the rear surface of the proximal end portion of the handle 4 and deviated to the proximal end side with respect to the center line in the front-rear direction of the transverse pivot 5 and abutting against the front surface of the intermediate seat 13 It is configured.

The lock mechanism that locks the handle 4 against the fixed case 1 in the immersive position includes a lock receiving cylinder portion 22 that is formed at the distal end portion of the handle 4 so as to protrude toward the rear wall portion 9 of the fixed case. A lock cylinder 23 rotatably housed in the lock housing cylinder portion 22 and having a built-in locking mechanism for the fixed body 1; and a rear end portion of the lock cylinder 23 projecting from a front end opening of the lock housing tube portion 22 A stop tumbler 25 that is fixed in a diametrical direction and has one end portion 25a or both end portions 25a and 25b engaged with the front end surface 36 of the lock accommodating tube portion 22, and a side wall of the fixed case 1. When one end portion 2 of the stop tumbler 25 is formed in the portion 37 and the lock cylinder 23 is rotated to the locked position in the retracted position of the handle 4. a is constituted by the locking receiving portions 26 to be engaged.

This door lock handle device is attached to a door 27 such as an electric machine storage box. In the locked state where the handle 4 is immersed in the fixed case 1 as shown in FIG. The door 27 is locked to the box body so that it cannot be opened by engaging with a strike provided on the box body side.

When the handle 4 is immersed in the fixed case 1 and locked to the fixed case 1, the input protrusion 14 of the handle 4 is positioned above the center line in the front-rear direction of the transverse pivot 5. 4, the rotational moment due to the elastic restoring force of the compression coil spring 11 is an urging force that rotates the handle 4 in the clockwise direction in FIG. 4 about the transverse pivot 5. is working. Therefore, the handle 4 is held at the immersion position in the fixed case 1.

When an operator pushes the front surface of the base end of the handle 4 with a finger at a position above the front-rear direction center line of the transverse pivot 5, the handle 4 overcomes the clockwise biasing force, and the transverse pivot Starts rotating counterclockwise around 5 During this rotation, the moment of rotation of the spring 11 due to the elastic restoring force is reversed at the moment when the contact point between the input protrusion 14 and the intermediate seat 13 crosses the center line in the front-rear direction of the transverse pivot 5 downward. To do.

Thus, the handle 4 is rotated counterclockwise in FIG. 4 about the transverse pivot 5 until the proximal end back surface portion 28 of the handle 4 contacts the front slope portion 29 of the back wall portion 9 of the fixed case 1. , Jump out and rotate. In this projecting position, the main part of the handle is gripped by the operator, the locking shaft 3 is rotated, the clasp plate 8 is released from the strike on the box body side, and the door 27 is unlocked. The unlocked door 27 is opened by pulling the handle 4 forward.

The locking shaft 3 is composed of a large-diameter portion 3a and a small-diameter portion 3b, and an annular groove 15 formed on the outer peripheral surface of the rear end portion of the large-diameter portion 3a is abutted against the inner peripheral surface of the shaft tube portion 2. A ring-shaped sealing member 16 that comes into contact is accommodated. A ring-shaped seal member 19 that is in contact with the inner peripheral surface of the rear end opening 18 of the shaft tube portion 2 is fitted to the outer peripheral surface of the root portion of the small diameter portion 3b. A rear end angular shaft portion 35 of the small-diameter portion 3b of the locking shaft 3 is fitted in a rectangular recess 20 formed on the front surface of the thick plate-shaped clasp plate 8 so as not to be relatively rotatable.

The fixing screw hole 6 of the clasp plate 8 is disposed on the center line of the locking shaft 3, and the longitudinal center line of the transverse pivot 5, which is the reference line for forming the spring receiving recess 10, is used for the fixing. The screw holes 6 are arranged in an offset shape shifted downward from the screw holes 6. A finger pressing recess 21 formed in front of the base end portion of the handle 4 is disposed on the upper side of the transverse pivot 5, and a main portion of the handle 4 held by an operator extends below the transverse pivot 5. ing.

At the lower part of the main part of the handle 4, the lock housing cylinder part 22 projects to the back side. When a predetermined key (not shown) is inserted into the lock cylinder 23 rotatably accommodated in the lock accommodating cylinder portion 22 from a key hole 24 opened on the front surface side, the lock cylinder 23 is arranged with respect to the lock accommodating cylinder portion 22. A known locking mechanism such as a pin tumbler method, a disk tumbler method, a side bar method, or the like, which is set so as to unlock the lock cylinder 23, is incorporated. Locking grooves 38 engaged with locking members such as pin tumblers constituting the locking mechanism are provided on the inner surface of the lock housing cylinder portion 22 at intervals of 90 degrees.

A transverse groove 39 is formed at the distal end of the lock cylinder 23 at a portion that protrudes from the distal end surface 36 of the lock housing cylinder 22. The lock cylinder 23 is attached to the handle 4 by inserting the lock cylinder 23 from the front side into the lock receiving cylinder portion 22 and then press-fitting a plate-like stop tumbler 25 into the groove 39. Is done by.

It is a front view of the lock state of the lock handle device for doors concerning one example of the present invention. It is a left view of the lock handle apparatus for doors of FIG. 1, and has shown the state attached to the door. It is a rear view of the lock handle device for doors of FIG. It is the sectional view on the AA line of FIG. It is a top view of the clip board used for the lock handle apparatus for doors of FIG. It is a front view of the clip board of FIG. It is a right view of the clip board of FIG. It is the BB sectional view taken on the line of FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Fixed case 1a Back surface of fixed case 2 Shaft cylinder part 3 of fixed case Locking shaft 3a Large diameter part 3b of a locking shaft Small diameter part of a locking shaft
4 Handle 5 Transverse pivot 6 Fixing screw hole 7 Bolt 8 Clasp plate 9 Back wall portion 10 of the fixing case Spring receiving recess 11 Compression coil spring 12 Seat receiving recess 13 Intermediary seat 14 Input protrusion 15 of the handle Large locking shaft Annular groove 16 in the diameter portion Seal member 18 Rear end opening 19 of the shaft tube portion Seal member 20 Square concave portion 21 of the clasp plate Finger pushing portion 22 of the handle Lock receiving tube portion 23 of the handle Lock cylinder 24 Key hole 25 Stop tumbler 25a Stop tumbler end 25b Stop tumbler end 26 Fixed case lock receiving portion 27 Door 27a Door front surface 27b Door rear surface 28 Handle proximal end rear surface portion 29 Front case slope portion 30 of fixed case rear wall portion Elastic clip Plate 31 Finger clip plate portion 32 of elastic clip plate Door installation opening 33 Lead plate portion 34 of elastic clip plate Elastic clip A pair of leg plate portions 35 of the plate The rear end corner shaft portion 36 of the locking shaft 36 The lock receiving tube portion front end surface 37 The side wall portion 38 of the fixing case Locking groove 39 of the lock receiving tube portion 40 The groove hole 40 of the lock receiving tube portion 40 Lock receiving tube Receiving tube portion 41 Retaining groove 42 in the shaft tube portion Retaining groove 43 in the receiving tube portion Groove wall surface 44 on the rear side of the engaging groove in the shaft tube portion Rear side of the engaging groove in the receiving tube portion Groove wall surface 45 Elastic clip plate fulcrum plate portion 46 Elastic clip plate latching shoulder portion 47 Front case flange portion 48 of fixed case Support plate portion fulcrum plate portion

Claims (1)

The handle 4 is accommodated in the fixed case 1 so as to be able to move in and out, the main body portion of the fixed case 1 is fitted into the mounting opening 32 of the door 27 from the front side, and the front flange 47 of the fixed case 1 is inserted into the door 27. A lock for the door that attaches the fixed case 1 to the door 27 by abutting the elastic clip plate 30 fitted to the fixed case 1 from the back side to the rear surface 27b of the door 27. In the handle device,
A shaft tube portion 2 is formed to protrude from the upper back surface of the fixed body 1, and a receiving tube portion 40 of the lock housing tube portion 22 of the handle 4 is formed to protrude from the lower back surface of the fixed body. Locking grooves 41, 41 parallel to the rear surface 1a of the fixed case 1 are formed in both side surface portions in a recessed shape at portions extracted from the mounting opening 32, and the fixed case 1 is formed on the left and right side surface portions of the receiving cylinder portion 40. The recesses 42, 42 parallel to the back surface 1a are formed in a recess in the part extracted from the mounting opening 32,
The elastic clip plate 30 inserted individually into the locking grooves 41, 41 of the shaft tube portion 2 and the locking grooves 42, 42 of the receiving tube portion 40,
A pair of leg plate portions 34, 34 that are in pressure contact with the groove wall surfaces 43, 44 on the rear side of the locking grooves 41, 42 and the base portions of the leg plate portions 34, 34 are connected to the back surface 27 b of the door 27. A V-shaped fulcrum plate part 45 that is press-contacted, a finger-hanging plate part 31 that is continuously formed on the fulcrum plate part 45, and a leg plate part 34, 34 that is formed continuously at the front end portion of the leg plate part 34, The shoulder portions 46, 46 are configured by the V-shaped leading plate portions 33, 33 that are in pressure contact, and are engaged with the end portions of the locking grooves 41, 42 at the root portions of the leading plate portions 33, 33. A lock handle device for a door, characterized in that is formed.

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