JP3515088B2 - Lock handle device for pop-out type door - Google Patents

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a lock handle device for a pop-out type door used in a vending machine or the like. 2. Description of the Related Art A lock handle device for a pop-out type door, which is widely used in vending machines, is capable of rotating an inner cylinder in a bearing cylinder portion of a fixed case fixed to the door and moving the inner cylinder in the front-rear direction. Impossible to attach, fix the stopper plate on the rear surface of the inner cylinder,
The shaft barrel portion of the handle, which is inserted into the inner cylinder so as to be non-rotatable and movable in the front-rear direction, is urged to move in the projecting direction by a spring,
A lock unit is fitted into and fixed to the front surface of the shaft tube, and a locking mechanism for locking the shaft tube to the inner tube is linked to the rotor of the lock unit. [0003] Recent thieves against vending machines tend to be violent, and the front boundary portion between the lock unit and the shaft cylinder portion is drilled in the front-rear direction at two locations on the diameter thereof with an electric drill in the front-rear direction. The thief inserts the bifurcated protrusions at the tip of the T-shaped rotary operating tool made by the thief into the receiving holes, applies a strong rotational moment to the lock unit via the rotary operating tool, and locks the lock unit and the shaft cylinder. Threading of the fixing member between them is performed. The lock unit whose fixing member has been threaded in this way is pulled out of the shaft cylinder, the locking mechanism is also sequentially disassembled and destroyed, and the grip of the handle pops out of the bearing cylinder of the fixed case. The steering wheel can be freely rotated. Another violent burglary method is to break the internal lock mechanism of the lock unit by hitting the blade of an electric drill into the shaft hole of the rotor of the lock unit and piercing the key hole portion of the rotor in the axial direction. Locking units have also been neutralized. As another burglary method, a tapping screw is screwed into the keyhole of the rotor with an electric screwdriver, a bar is hung on the protruding head of the screw, and the rotor is forcibly extracted from the fixed body of the lock unit. ing. SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a pop-out type in which an attack by violent destruction directed to such a lock unit can be accurately avoided, and the security performance is improved. It is to provide a door lock handle device. [0007] The lock handle device for a pop-out type door according to the present invention is characterized in that the lock handle device is fixed to a door 1. The inner cylinder 4 is mounted on the bearing portion 3 of the case 2 so as to be rotatable and immovable in the front-rear direction, and a stopper plate 5 is fixed to the rear surface of the inner cylinder 4 so that the inner cylinder 4 cannot rotate with respect to the inner cylinder 4. The lock shaft 7 of the handle 6 is inserted so as to be movable in the front-rear direction, and the lock shaft 7 is urged to move in the protruding direction by a spring 8 to form the receiving hole 10 of the lock unit 9 in the side wall of the bearing 3. Then, the door front surface 1a is fixed to the fixed case 2 adjacent to the side wall portion of the bearing portion 3.
A pocket 11 which is recessed further inward is formed, a keyhole 13 of the rotor 12 of the lock unit 9 is opened in the inner wall surface 11a of the pocket 11, and the lock shaft 7 is locked to the bearing 3. The locking mechanism 14 is connected to the rotor 12 of the lock unit 9.
Lock handle for pop-out type doors
In the above, the pocket portion 11
The width is limited so that the key 24 can be
The lock unit is formed to have a depth and a length.
The center axis of the rotor 12 of the slot 9 is arranged in parallel with the door front face 1a.
On the side opposite to the inner wall surface 11a where the keyhole 13 is open
The inner wall surface of the pocket portion 11 in the axial direction of the keyhole 13.
The locking mechanism 1 is formed so that the extension lines intersect.
4 is accommodated in a guide hole 15 formed in the locking shaft portion 7 in the radial direction, passes through a side opening 16 formed in the inner cylinder 4, and a distal end portion 18 a is engaged with and disengaged from the inner surface recess 17 of the shaft cylinder portion 3. A pair of lock plates 18 and a cam disk 19 connected to the rear end of the rotor 12 of the lock 9 so as to be relatively non-rotatable and provided with a pair of drive projections 19a at an eccentric position to abut the driven end 18b of the lock plate 18; , constituted by a spring 20 which biases the projecting towards the lock plate 18 to the inner surface of the bearing portion 3
The lock plate 18 is provided with the lock 9
Abdominal surface in the width direction along a plane perpendicular to the rotation center axis
Are arranged, and the edge surface in the width direction of the lock plate is
The inner wall surface of the guide hole 15 of the locking shaft 7,
The inner wall surface of the side opening 16 and the inner surface recess 17 of the shaft cylinder 3
The escape groove 21 of the cam disk 19 is formed in the side opening 16 of the inner cylinder 4 in the circumferential direction so as to face the inner wall surface of the inner cylinder 4, and the restriction groove 22 is formed in the side wall of the inner cylinder 4 in the axial direction. Interlocking projection 23 formed along the side of the locking shaft 7
Is inserted into the regulating groove 22. According to the second aspect of the present invention, in addition to the configuration of the first aspect of the present invention, the inner wall surface 11a of the pocket portion 11 is provided with the most protruding curved surface 55 in the accommodation portion of the lock unit 9.
The front surface of the fixed body 40 of the lock unit 9 is formed into a concave curved surface 52, and the front end of the rotor 12 is slightly projected from the concave curved surface 52. The invention of claim 1 will be described.
In the locked state of the door in which the stopper plate 5 is engaged with a receiving portion (not shown) on the fixed frame side of the device box body or the like, the handle 6 is immersed in the fixed case 2 and the locking shaft portion is provided. 7 penetrates deeply into the inner cylinder 4. As shown in FIGS.
As described above, the guide hole 15 of the locking shaft 7 and the side surface of the inner cylinder 4
A pair of lock plate 18 which is fitted into the opening 16,
The distal end portion 18a is engaged with the inner concave portion 17 of the shaft cylinder portion 3 by being pushed by the spring 20, and the locking shaft portion 7 is pressed against the bias of the spring 8.
At the immersion position in the inner cylinder 4. When the key 24 is inserted into the pocket portion 11 of the fixed case 2, the key is inserted into the key hole 13 of the rotor 12 searched with a fingertip, and the key 24 is inserted to a predetermined depth along the front surface 1 a of the door 1. Then, the internal lock mechanism is operated to release the rotation constraint of the rotor 12 with respect to the fixed body of the lock unit 9, and the rotor 1
2 is turned in a predetermined direction by the key 24. This rotor 1
Since the cam disk 19 rotates in conjunction with the rotation of 2, the driving end 19b of the cam disk 19 pulls the driven end 18b of the lock plate 18 against the spring 20 in the centripetal direction.
Tip 18a of the lock plate 18 to escape from the inner surface recess 17 of the cylindrical portion 3, the whole of the lock plate 18 as shown in FIG. 9 is drawn into the guide hole 15 of the locking shaft portion 7. When the lock plate 18 is retracted in this manner, the locking shaft 7 is unlocked from the inner cylinder 4, and the spring 8 is urged until the interlocking projection 23 contacts the front wall surface 22 a of the regulating groove 22. The locking shaft 7 projects from the inner cylinder 4, and at the same time, the handle 6 projects from the fixed case 2. When the handle 6 is gripped and the locking shaft 7 is turned in a predetermined direction, the inner cylinder 4 connected by the engagement of the regulating groove 22 and the interlocking projection 23 rotates together with the locking shaft 7 and the locking plate 5 Is detached from the receiving part on the fixed frame side,
The door 1 is unlocked from the fixed frame. At this time,
The cam disk 19 moves in the escape groove 21 formed in the inner cylinder 4. After the door 1 is opened and required operations and operations such as inspection and repair are completed, the door 1 is closed again. When the handle 6 is returned to the original position and rotated after the door 1 is closed, the stopper plate 5 is engaged again with the metal receiving portion on the fixed frame body side. After this,
When the handle 6 is pushed back into the fixed case 2 against the bias of the spring 8, the interlocking projection 23 of the locking shaft 7 hits the rear wall surface 22 b of the regulating groove 22, and the guide hole 15 of the locking shaft 7 is The position returns to a position communicating with the inner surface recess 17 of the shaft cylinder portion 3 through the side opening 16. At this stage, when the rotor 12 is turned in the reverse direction by the key 24, the pressing of the driven end 18b by the driving projection 19a of the cam disk 19 is released, so that the guide of the locking shaft 7 is released.
The lock plate 18 fitted in the hole 15 and the side opening 16 of the inner cylinder 4 protrudes in the centrifugal direction by the bias of the spring 20, and the tip 18 a enters the inner recess 17 of the shaft cylinder 3. . As a result, the locking shaft 7 of the handle 6 is locked again to the shaft tube 3 of the fixed case 2. Finally,
The key 24 is pulled out from the keyhole 13 of the rotor 12 and taken out of the pocket portion 11. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the illustrated embodiment, a guide hole 1 is shown.
5 is formed substantially on the diameter of the locking shaft 7, the inner end thereof communicates with the radial cavity 25, and a pair of guide holes 15 are formed.
And the cavity 25 have an inverted T-shape in cross section.
The passive end 18 b of the lock plate 18 is bent at a right angle to the main part and is accommodated in the cavity 25.
A spring receiving concave portion 26 is formed on the inner wall surface of the hollow portion 25, and accommodates a base end portion of the spring 20 formed of a compression coil spring. The drive projection 19a of the cam disk 19 is formed on the diameter of the rear surface. A guide groove 27 is formed in the inner wall surface of the inner cylinder 4 in the axial direction, and a guide projection 28 formed on the locking shaft portion 7 is engaged with the guide groove 27. for that reason,
The locking shaft 7 is movable in the axial direction with respect to the inner cylinder 4 but is not rotatable with the engagement of the regulating groove 22 and the interlocking projection 23 described above. The biasing spring 8 of the locking shaft 7 is also constituted by a compression coil spring. At the rear end of the locking shaft 7, a lock plate 18, a spring 20, and a cam disk 1 are provided.
After assembling 9, the cover plate 29 is fixed by screws 30. As the internal lock mechanism of the lock unit 9, a known pin tumbler lock mechanism is used, but this is not particularly limited. An angle regulating disk 32 is fitted to the connecting projection 31 at the rear end of the inner cylinder 4, and the inner end surfaces 34 and 35 of the notch 33 of the angle regulating disk 32 engage with the regulating projection 36 at the rear end of the inner cylinder 4. Then, the rotation angle of the locking shaft 7 of the handle 6 is defined. The stopper plate 5 is fitted to the connection projection 31 and is fixedly fastened by a screw 37. The pocket portion 11 is formed so as to close an opening portion 39 continuous with the fitting opening portion 38 of the fixed case 2 from the back side.
4 has a width, depth, and length dimensions restricted to the extent that insertion and removal can be performed. Receiving hole 1 of lock unit 9
Reference numeral 0 denotes an opening on the inner wall surface 11a of the pocket portion 11 perpendicular to the front surface 1a of the door 1. The cross section of the fixing body 40 of the lock unit 9 is formed in an oval cross section, and is fitted into the oval cross section of the receiving hole 10 so as to be relatively non-rotatable. A fixing ring 42 is screwed into the external thread portion 41 of the fixing body 40,
An annular groove 43 is formed on the outer surface of the fixing ring 42. A receiving groove 45 for insertion of a U-shaped assembly fitting 44 is formed on the back side of the fixed case 2, and the tip of the assembly fitting 44 inserted into the receiving groove 45 is the annular groove of the fixing ring 42. A lock screw 46 inserted into 43 is screwed. As a result, the lock unit 9 is prevented from being removed from the storage hole 10. A well-known rotation angle regulating disk 48 is fitted into the rear end corner shaft portion 47 of the rotor 12, and is fixed by a nut 49. Rotor 12 into which nut 49 is screwed
The cross section of the rear end screw portion 50 has an oval shape, and an oval-shaped receiving hole 51 of the cam disk 19 is fitted into the oval-shaped receiving hole 51 so as not to rotate relatively. Note that the lock unit 9 with respect to the fixed case 2
Is not limited to the above structure. For example, a bifurcated leg plate portion of a U-shaped assembly fitting is inserted from two receiving holes opened on the back side of the fixed case 2, and inner projections formed on the leg plate portion are engaged with the annular groove 43 of the fixing ring 42. And
The metal fitting can be fastened and fixed to the inner wall of the housing hole 0 with a screw. In the fixed case 2, a U-shaped washer plate 53 is fitted from the back side of the fixed case 2, both legs of the washer plate 53 are pressed against the back surface 1 b of the door 1, and screws 54 are formed on the back wall of the fixed case 2. It is fastened and fixed to the door 1 by screwing it into the screw hole. Inner wall surface 11a of the pocket portion 11
The front surface of the housing portion of the lock unit 9 is formed into a convex curved surface 55.
And the fixed body 40 of the lock unit 9
The front portion is formed on the concave curved surface 52, and the concave curved surface 52
The front end of the rotor 12 slightly projects from the
Makes it easier to find the keyhole 13 of the rotor 12 and
Is good. In this pop-out type door lock handle device, the lock unit 9 is not embedded and mounted on the front surface of the locking shaft 7, but is provided in a housing hole 10 formed in the side wall of the shaft tube 3. Since the keyhole 13 of the rotor 12 of the lock unit 9 is open to the inner wall surface 11a of the pocket portion 11 formed in the fixed case 2 adjacent to the side wall portion of the bearing portion 3, The edge of a violent destruction tool such as a drill or an electric hole saw cannot be brought into contact with the rotor 12 in a normal posture perpendicular to the rotor 12, and a conventional picking tool can be inserted into the keyhole 13 to perform a picking operation. This is impossible because the keyhole 13 cannot be directly viewed from the front side, and has high protection against unauthorized unlocking and breaking. As described above, the pocket portion 11 is
Since the rigidity of the fixed case 2 itself is high, an opening is formed in the door 1 adjacent to the fixed case 2,
As in the case where a pocket is provided behind the opening, there is a danger that a tool is inserted into the opening, the opening and the pocket are broken, and the insertion space for the power tool is forcibly formed. There is no sex. In addition, it is sufficient to provide only one opening for fitting the fixed case 2 in the door 1, and it is not necessary to separately provide an opening for the pocket in the door 1. Therefore, the number of processes for the door 1 is reduced, and the cost is reduced. It becomes. According to the present invention, a pair of lock plates 18 are rotated through a side opening 16 of the inner cylinder 4 by rotating a cam disk 19 mounted on the rotor 12 of the lock unit 9. 3 engages with the inner recess 17.
However, the guide hole 15 of the locking shaft 7 and the side opening of the inner cylinder 4 are provided.
A pair of lock plates 18 fitted and accommodated in the portion 16
Is located along a plane orthogonal to the rotation center axis of the lock 9.
An abdominal surface in the width direction is arranged, and the lock plate 18
The edge surface in the width direction of the guide shaft 15
Inner wall surface, the inner wall surface of the side opening 16 of the inner cylinder 4, and
Because it faces the inner wall surface of the inner surface concave portion 17 of the shaft cylinder portion 3 ,
The handle 6 is securely and securely locked to the fixed case 2, and the pocket portion 11 is
Limited to the extent that key 24 can be inserted and removed from keyhole 13
Having width, depth, and length dimensions,
The central axis of the rotor 12 of the lock unit 9 is defined as the door front surface 1a.
An inner wall surface 11a, which is arranged in parallel and has a keyhole 13 open,
The inner wall of the pocket 11 on the opposite side
Since the extension lines in the axial direction are formed to intersect,
Use violent destruction tools such as dynamic drills and electric hole saws
Not be able to destroy the violence directed at the lock unit
Pop with improved security performance by accurately avoiding attacks
A lock handle device for an out-type door can be provided.
You.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of a door equipped with a pop-out type door lock handle device according to an embodiment of the present invention, and the door lock handle device is in a locked state. FIG. 2 is a left side view of the door lock handle device of FIG. 1; FIG. 3 is a rear view of the door lock handle device of FIG. 1; FIG. 4 is a bottom view of the door lock handle device of FIG. 1; FIG. 5 is a plan view of the door lock handle device of FIG. 1; FIG. 6 is a sectional view taken along line AA of FIG. 1; FIG. 7 is a sectional view taken along line BB of FIG. 2; FIG. 8 is a cross-sectional view taken along the line CC of FIG. 1, in which the locking mechanism is in a state in which the handle is restrained. FIG. 9 is a cross-sectional view taken along the line CC of FIG. 1, in which the locking mechanism is in a state where the handle is released from restraint. FIG. 10 is a sectional view taken along the line CC of FIG. 1, in which the handle is in a protruding state. FIG. 11 is a sectional view taken along line AA of FIG. 1, in which a handle is in a protruding state. [Description of Signs] 1 Door 2 Fixed case 3 Shaft tube 4 Inner tube 5 Stopper plate 6 Handle 7 Locking shaft 8 Spring 9 Lock unit 11 Pocket 12 Rotor 13 Key hole 14 Locking mechanism

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-9-78914 (JP, A) JP-A-49-70796 (JP, A) JP-A-10-96345 (JP, A) JP-A-11-79 324426 (JP, A) JP-A-11-110631 (JP, A) JP-A-6-51443 (JP, U) JP-A 54-13694 (JP, U) JP-A 1-118056 (JP, U) Japanese Utility Model Application 62-11967 (JP, U) Japanese Utility Model Application Hei 3-129669 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) E05B 5/00-5/04

Claims (1)

(1) An inner cylinder (4) is mounted on a bearing (3) of a fixed case (2) fixed to a door (1) so as to be rotatable and immovable in the front-rear direction. The lock plate 5 is fixed, and the locking shaft 7 of the handle 6 is inserted into the inner cylinder 4 so that it cannot rotate with respect to the inner cylinder 4 and can move in the front-rear direction. The urging movement causes the receiving hole 10 of the lock unit 9 to move.
Is formed on the side wall of the bearing portion 3, and a pocket portion 11 which is recessed inward from the front surface 1 a of the door is formed in the fixed case 2 so as to be adjacent to the side wall portion of the bearing portion 3. A lock handle for a pop-out type door in which a hole 13 is opened in the inner wall surface 11a of the pocket portion 11 and a locking mechanism 14 for locking the locking shaft portion 7 to the bearing portion 3 is interlocked with the rotor 12 of the lock unit 9. In the device, the pocket portion 11 is inserted into a key hole 13 of the rotor 12 by a key 24.
Width, depth and length restricted to allow insertion and removal of
Of the lock unit 9
The central axis of the motor 12 is arranged in parallel with the door front surface 1a,
Poke on the opposite side to the inner wall surface 11a where 13 is open
An axial extension of the keyhole 13 crosses the inner wall surface of the socket 11.
The locking mechanism 14 is housed in a guide hole 15 formed in the locking shaft portion 7 in the radial direction, passes through a side opening 16 formed in the inner cylinder 4, and has a tip portion 18a. Is the inner surface concave portion 17 of the shaft cylinder portion 3
And a pair of drive projections 1 which are non-rotatably connected to the rear end of the rotor 12 of the lock 9 and abut against the driven end 18b of the lock plate 18.
A cam disk 19 having an eccentric position 9a and a spring 20 for urging the lock plate 18 to project toward the inner surface of the bearing 3.
Preparative the result is configured, the lock plate 18, the rotation central axis of the lock 9
The abdominal surface in the width direction is arranged along a plane orthogonal to
The edge surface in the width direction of the lock plate 18 is
7, the inner wall surface of the guide hole 15, the side opening of the inner cylinder 4.
The inner wall surface of the portion 16 and the inner wall surface of the inner surface concave portion 17 of the shaft cylinder 3
To have brought to face, the escape groove 21 of the cam disc 19 to the side opening 16 of the inner cylinder 4 and communicates formed in the circumferential direction, the restricting grooves 22 in the axial direction on the side wall portion of the inner cylinder 4 The lock handle device for a pop-out type door according to claim 1, wherein an interlocking projection (23) formed and projecting from a side surface of the locking shaft (7) is inserted into the restriction groove (22).