JP2003129700A - Lock handle device for pop-out door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lock handle device for a pop-out door capable of avoiding attacks by destruction oriented to a lock unit to enhance crime prevention performance. SOLUTION: An inner cylinder 4 is rotatably but longitudinally non-movable mounted in a bearing part 3 of a fixed case 2 and a clamp plate 5 is secured to the inner cylinder 4. A locking shank 7 of a handle 6 is non-rotatably yet longitudinally movably fitted into the inner cylinder 4 and energized by a spring 8 to protrude. A storage hole 10 for the lock unit 9 is formed in a sidewall part of the bearing part 3 and a pocket part 11 that is dented inwards of the front surface 1a of the door is formed in the fixed case 2 adjacent to the sidewall part of the bearing part 3. A key hole 13 is opened in an interior wall surface 11a of the pocket part 11 and a rotor 12 is cooperatively equipped with a locking mechanism 14 for locking the locking shank 7 to the bearing part 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pop-out type door lock handle device used in a vending machine or the like.

[0002]

2. Description of the Related Art A pop-out type door lock handle device, which is widely used in vending machines, has an inner cylinder mounted on a bearing cylinder portion of a fixed case fixed to the door so as to be rotatable and immovable in the front-rear direction. Then, fix the stopper plate to the rear surface of the inner cylinder,
The shaft cylinder portion of the handle, which is inserted into the inner cylinder so as not to rotate and movable in the front-rear direction, is urged to move in the protruding direction by a spring,
A lock unit is fitted and fixed to the front surface of the shaft cylinder portion, and a lock mechanism for locking the shaft cylinder portion to the inner cylinder is interlocked with the rotor of the lock unit.

Recent thieves against vending machines tend to be violent, and electric power drills are used to form front and rear holes at two frontal boundaries between the lock unit and the shaft cylinder. Insert the bifurcated protrusions at the tip of the T-shaped rotary operation tool that the thief made by himself into their receiving holes, and apply a strong rotational moment to the lock unit through the rotary operation tool to lock the lock unit and the shaft cylinder. Threading the securing members in between is performed.

The lock unit with the fixing member thus threaded is pulled out from the shaft cylinder portion, the lock mechanism is also disassembled and destroyed, and the grip portion of the handle pops out from the bearing cylinder portion of the fixed case. You will be able to freely rotate the handle.

As another violent theft method, a blade of an electric drill is applied to the shaft hole of the rotor of the lock unit to axially pierce the key hole portion of the rotor to destroy the internal lock mechanism of the lock unit. It is also performed to disable the lock unit. As another method of robbery, a tapping screw is screwed into the key hole of the rotor with an electric screwdriver, a bar is hung on the protruding head of the screw, and the rotor is forcibly pulled out from the fixed body of the lock unit. ing.

[0006]

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to appropriately prevent an attack due to violent destruction directed to such a lock unit, and to improve the crime prevention performance. It is to provide a handle device.

[0007]

A pop-out type door lock handle device according to the invention of claim 1 is a bearing for a fixed case 2 fixed to a door 1. The inner cylinder 4 is attached to the portion 3 so as to be rotatable and immovable in the front-rear direction, and the stopper plate 5 is fixed to the rear surface of the inner cylinder 4, so that the inner cylinder 4 cannot rotate relative to the inner cylinder 4 and is in the front-rear direction. The locking shaft portion 7 of the handle 6 is movably fitted and inserted, and the locking shaft portion 7 is urged to move in the protruding direction by the spring 8, and the accommodation hole 10 of the lock unit 9 is formed in the side wall portion of the bearing portion 3. 3, a pocket portion 11 is formed in the fixed case 2 so as to be recessed inward from the door front surface 1a so as to be adjacent to the side wall portion, and the key hole 13 of the rotor 12 of the lock unit 9 is opened to the inner wall surface 11a of the pocket portion 11. , A locking mechanism 1 for locking the locking shaft portion 7 to the bearing portion 3 4 is interlocked with the rotor 12 of the lock unit 9.

According to a second aspect of the invention, in addition to the structure of the first aspect of the invention, the locking mechanism 14 is housed in a guide hole 15 formed in the locking shaft portion 7 in the radial direction, and A pair of lock plates 18 that pass through the formed side opening 16 and engage and disengage the tip portion 18a with the inner surface recessed portion 17 of the shaft tube portion 3.
And a cam disk 19 in which a pair of drive projections 19a, which are connected to the rear end of the rotor 12 of the lock 9 so as not to rotate relative to each other and contact the passive end 18b of the lock plate 18, are provided in an eccentric position.
And the spring 20 that biases the lock plate 18 toward the inner surface of the bearing portion 3 to configure the locking mechanism 14, and the cam disk 19 is formed in the side opening 16 of the inner cylinder 4.
The relief groove portion 21 of the lock sleeve 7 is formed so as to communicate with each other in the circumferential direction, and the restriction groove 22 is formed in the side wall portion of the inner cylinder 4 along the axial direction.
The interlocking protrusion 23 protruding from the side surface of the is inserted into the regulation groove 22.

According to a third aspect of the present invention, in addition to the configuration of the first or second aspect of the invention, the inner wall surface 11a of the pocket portion 11 is formed as the most protruding convex curved surface 55 in the accommodation portion of the lock unit 9. , Fixed body 4 of lock unit 9
The front surface portion of 0 is formed into a concave curved surface 52, and the front end portion of the rotor 12 is slightly projected from the concave curved surface 52.

[0010]

When the invention of claim 1 and the invention of claim 2 are described together, the stopper plate 5 is engaged with a receiving portion (not shown) on the fixed frame side such as the equipment box body. In the locked state of the door, the handle 6 is recessed in the fixed case 2, and the locking shaft portion 7 is deeply recessed in the inner cylinder 4. The pair of lock plates 18 are pushed by the springs 20 so that the tip portions 18a are engaged with the inner surface recessed portions 17 of the shaft tube portion 3,
The locking shaft portion 7 is restrained at the retracted position in the inner cylinder 4 against the bias of the spring 8.

When the key 24 is inserted into the pocket portion 11 of the fixed case 2, the key tip is inserted into the key hole 13 of the rotor 12 searched with a finger tip, and the key 24 is inserted to a predetermined depth along the front surface 1a of the door 1. , The internal lock mechanism operates to release the rotation constraint of the rotor 12 with respect to the fixed body of the lock unit 9,
The key 2 is rotated in a predetermined direction by the key 24. This rotor 1
Since the cam disk 19 rotates in association with the rotation of 2, the driving projection 19a of the cam disk 19 pulls the passive end 18b of the lock plate 18 against the spring 20 in the centripetal direction,
The tip portion 18a of the lock plate 18 comes out of the inner surface recessed portion 17 of the shaft tube portion 3, and the entire lock plate 18 is drawn into the guide hole 15 of the locking shaft portion 7.

By retracting the lock plate 18 in this way, the locking shaft 7 is unlocked from the inner cylinder 4, and the interlocking protrusion 23 is urged by the spring 8 until it hits the front wall surface 22a of the restriction groove 22. The locking shaft portion 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 portion 7 is rotated in a predetermined direction, the inner cylinder 4 connected by the engagement of the restriction groove 22 and the interlocking projection 23 rotates together with the locking shaft portion 7, and the stopper plate 5 Is removed from the receiving part on the fixed frame side,
The lock of the door 1 with respect to the fixed frame is released. At this time,
The cam disk 19 moves in the escape groove portion 21 formed in the inner cylinder 4.

After the door 1 is opened to complete the required work or operation such as inspection and repair, 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 receiving portion on the fixed frame body side. After this,
When the handle 6 is pushed back into the fixed case 2 against the urging force of the spring 8, the interlocking protrusion 23 of the locking shaft portion 7 comes into contact with the rear wall surface 22b of the restriction groove 22, and the guide hole 15 of the locking shaft portion 7 is inserted into the inner cylinder 4 It returns to a position communicating with the inner surface recessed portion 17 of the shaft tube portion 3 through the side surface opening portion 16.

At this stage, when the rotor 12 is rotated in the reverse direction by the key 24, the pressing of the passive end 18b by the drive projection 19a of the cam disk 19 is released, so that the lock plate 18 is released.
Is projected in the centrifugal direction by the urging force of the spring 20, and the tip 1
8a enters the inner surface recessed portion 17 of the shaft tube portion 3. As a result, the locking shaft portion 7 of the handle 6 is again locked to the shaft cylinder portion 3 of the fixed case 2. Finally, the key 24 is the rotor 1
It is pulled out from the key hole 13 of No. 2 and taken out from the pocket portion 11.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION In the illustrated embodiment, a guide hole 1
5 is formed substantially on the diameter of the locking shaft portion 7, the inner end portion of which communicates with the radial cavity portion 25, and the pair of guide holes 15
The hollow portion 25 and the hollow portion 25 have an inverted T shape in a cross section.
The passive end portion 18b of the lock plate 18 is bent at a right angle to the main body portion and is housed in the hollow portion 25.
A spring receiving concave portion 26 is formed on the inner wall surface of the hollow portion 25, and the base end portion of the spring 20 formed of a compression coil spring is accommodated therein.

The drive projection 19a of the cam disk 19 is formed on the diameter of its rear surface. A guide groove 27 is formed on the inner wall surface of the inner cylinder 4 in the axial direction, and a guide protrusion 28 formed on the locking shaft portion 7 is engaged with the guide groove 27. for that reason,
Due to the engagement between the restriction groove 22 and the interlocking protrusion 23, the locking shaft portion 7 is movable in the axial direction with respect to the inner cylinder 4, but is not rotatable. The biasing spring 8 of the locking shaft portion 7 is also composed of a compression coil spring. At the rear end of the locking shaft portion 7, a lock plate 18, a spring 20 and a cam disc 1
After assembling 9, the cover plate 29 is fixed by the screw 30.

A known pin tumbler lock mechanism is used as the internal lock mechanism of the lock unit 9, but the lock mechanism 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 restriction projection 36 at the rear end of the inner cylinder 4. After removing, the rotation angle of the locking shaft portion 7 of the handle 6 is defined. The stopper plate 5 is fitted into the connecting projection 31 and is fixed by tightening with a screw 37.

The pocket portion 11 is formed so as to close the opening portion 39 continuous with the fitting opening portion 38 of the fixed case 2 from the back side, and the key 2 into the key hole 3 of the rotor 12 is formed.
The width, depth, and length dimensions are limited to the extent that 4 can be inserted and removed. Storage hole 1 of lock unit 9
The opening 0 opens on the inner wall surface 11a of the pocket portion 11 that is perpendicular to the front surface 1a of the door 1.

The cross section of the fixed main body 40 of the lock unit 9 is formed in an oval cross section, and is fitted into the oval cross section of the accommodation hole 10 so as not to rotate relative to it. A fixing ring 42 is screwed onto the outer thread portion 41 of the fixing body 40,
An annular groove 43 is formed on the outer surface of the fixed ring 42. A receiving groove 45 for inserting the U-shaped assembly fitting 44 is formed on the rear surface side of the fixed case 2, and the assembly fitting 44 inserted into the receiving groove 45 has a tip portion of the annular groove of the fixing ring 42. A lock screw 46 to be inserted into 43 is screwed. This prevents the lock unit 9 from being pulled out from the accommodation hole 10.

A known rotation angle control disk 48 is fitted into the rear end angular shaft portion 47 of the rotor 12 and fixed by a nut 49. The rotor 12 with which the nut 49 is screwed
The cross section of the rear end screw portion 50 is oval, and the oval receiving hole 51 of the cam disk 19 is fitted into the oval receiving hole 51 so as not to rotate relative to it. The lock unit 9 for the fixed case 2
The fixing method of 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 rear side of the fixed case 2, and an inner surface protrusion formed on the leg plate portion is engaged with the annular groove 43 of the fixed ring 42. Let
It is also possible to fasten the assembly metal fitting to the inner wall portion of the accommodation 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 abutted against the back surface 1b of the door 1, and the screws 54 are attached to the back wall portion of the fixed case 2. The door 1 is tightened and fixed by being screwed into the screw hole.

[0022]

As described above, in the lock handle device for the pop-out type door according to the first aspect of the invention, the lock unit 9
Is not embedded in the front surface of the locking shaft portion 7, but is embedded in the accommodation hole 10 formed in the side wall portion of the shaft cylinder portion 3, and the key hole 13 of the rotor 12 of the lock unit 9 is attached. Has an opening on 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, so that the blade edge of a violent destruction tool such as an electric drill or an electric hole saw is attached to the rotor 12. Cannot be abutted in a right angled normal posture, and it is impossible to insert a conventional picking tool into the keyhole 13 to perform a picking operation because the keyhole 13 cannot be directly viewed from the front side. Yes, it has high protection against illegal unlocking and breaking.

As described above, the pocket portion 11 is fixed to the fixed case 2.
Since the fixed case 2 itself has high robustness, an opening is formed in the door 1 adjacent to the fixed case 2,
As in the case where a pocket is provided on the back side of the opening, there is a risk that a tool is inserted into the opening to destroy the opening and the pocket, and a space for inserting the power tool is forcibly created. There is no nature. Further, since 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 portion in the door 1, the number of processes for the door 1 is reduced and the cost is reduced. Becomes

According to the second aspect of the present invention, in addition to the effect of the first aspect of the invention, the pair of lock plates 18 is moved to the inner cylinder by the rotation of the cam disk 19 mounted on the rotor 12 of the lock unit 9. 4 engages with the inner surface concave portion 17 of the shaft tube portion 3 through the side surface opening portion 16 of the fixed case 2.
The lock of the handle 6 with respect to is firmly and reliably performed.

According to the invention of claim 3, in addition to the structure of the invention of claim 1 or 2, the front surface of the accommodation portion of the lock unit 9 of the inner wall surface 11a of the pocket portion 11 has a convex curved surface 5.
5, the front surface of the fixed main body 40 of the lock unit 9 is formed into a concave curved surface 52, and the front end portion of the rotor 12 slightly projects from the concave curved surface 52. The hole 13 is easy to find and the operability is good.

[Brief description of 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, in which the door lock handle device is in a locked state.

2 is a left side view of the door lock handle device of FIG. 1. FIG.

FIG. 3 is a rear view of the door lock handle device of FIG. 1.

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

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

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.

9 is a sectional view taken along the line CC of FIG. 1, in which the lock mechanism is in a state in which the handle is released from the constraint.

10 is a sectional view taken along the line CC of FIG. 1, in which the handle is in a protruding state.

11 is a cross-sectional view taken along the line AA of FIG. 1, in which the handle is in a protruding state.

[Explanation of symbols]

1 door 2 fixed case 3-axis cylinder 4 inner cylinder 5 Stop plate 6 handles 7 Locking shaft 8 springs 9 lock unit 11 pockets 12 rotor 13 keyhole 14 Locking mechanism

Claims (3)

[Claims] 1. An inner cylinder 4 is mounted rotatably and immovably in the front-rear direction on a bearing portion 3 of a fixed case 2 fixed to a door 1, and a stopper plate 5 is fixed to the rear surface of the inner cylinder 4, The locking shaft portion 7 of the handle 6 is fitted into the cylinder 4 so as not to rotate with respect to the inner cylinder 4 and movable in the front-rear direction, and the locking shaft portion 7 is urged to move in the protruding direction by the spring 8 so that the lock unit 9 Accommodation hole 10
Is formed on the side wall of the bearing part 3, and a pocket part 11 is formed in the fixed case 2 so as to be adjacent to the side wall part of the bearing part 3 and recessed inward from the door front surface 1a. A lock handle for a pop-out 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 with respect to the bearing portion 3 is provided in conjunction with the rotor 12 of the lock unit 9. apparatus. 2. The lock shaft portion 7 is accommodated in a guide hole 15 formed in the radial direction, passes through a side opening 16 formed in the inner cylinder 4, and a tip portion 18a engages with an inner surface recessed portion 17 of the shaft cylindrical portion 3. A pair of lock plates 18 to be removed and the rotor 12 of the lock 9.
The lock plate 1 is connected to the rear end of the lock plate 1 so that it cannot rotate relative to the lock plate 1.
Cam plate 19 provided with a pair of drive projections 19a abutting against the passive end portion 18b of 8 and the lock plate 18
The lock mechanism 14 is constituted by a spring 20 for urging and projecting toward the inner surface of the bearing portion 3, and the escape groove portion 21 of the cam disk 19 is circumferentially formed in the side surface opening portion 16 of the inner cylinder 4. A restriction groove 22 is formed in the side wall portion of the inner cylinder 4 along the axial direction, and an interlocking projection 23 protruding from the side surface of the locking shaft portion 7 is inserted into the restriction groove 22. The pop-out type door lock handle device according to claim 1. 3. The inner wall surface 11a of the pocket portion 11 is formed as a convex curved surface 55 which is most protruded in the accommodation portion of the lock unit 9, and the front surface portion of the fixed body 40 of the lock unit 9 is formed as a concave curved surface 52, The pop-out type door lock handle device according to claim 1 or 2, wherein the front end portion of the rotor 12 is slightly projected from the curved surface 52.