JPH06341254A - Lock handle device for right pull door/left pull door - Google Patents

Abstract

PURPOSE:To provide a lock handle device useable for both the right pull storage door and a left pull storage door and capable of accurately restricting the unauthorized opening of the door with a lock mechanism capable of selecting one of many different keys. CONSTITUTION:A left latch plate 25 and a right latch plate 28 are supported on fixed spindles 22, 54, and lock stop blades 18, 48 are provided on a lock case 17 connected to a thumb turn 15. Lock stop lugs 30, 31 to be brought into contact with the lock stop blade 18 are provided on the left latch plate 25 and the right latch plate 28, and a drive plate 40 is provided on an interlocking shaft 35 transmitted with the rotating force of a front handle 6 and a rear handle 9. A drive lug 39 to be brought into contact with the receiving arms 37, 38 of the left latch plate 25 and the right latch plate 28 is provided on the drive plate 40. The lock hole 50 of a lock core 20 stored in the lock case 17 is formed into a cross sectional shape having a curved face 50a for one of the angle sections of a regular hexagon, a lock pin 51 is protruded on the inside face of the lock hole 50, a lock lug 53 is provided at the center of the inner bottom face, and a receiving groove 19 in the axial direction is provided on a drive tube 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lock handle device for left and right type doors used for doorways of boat cabins.

[0002]

2. Description of the Related Art Doors installed at entrances and exits of cabins of yachts and the like include a swing door that rotates around a hinge shaft and a sliding door that slides linearly by being guided by a rail. There are a left-pull storage type door that is drawn into the door storage section on the left side of the doorway and a right-pull storage type door that is drawn into the door storage section on the right side of the doorway in the open state.

The conventional door lock handle device has left-right differences, and there is a difference between the lock handle device designed for the left-pull storage type door and the lock handle device designed for the right-pull storage type door. Not compatible. Therefore, two types of lock handle devices have to be separately manufactured and stocked according to different demands, which requires an extra storage space and makes it difficult to reduce the manufacturing cost.

Further, in the conventional door lock handle device, since the rotation of the operating handle is restricted only by a simple lock mechanism with few key differences, it is perfectly possible to prevent unauthorized opening of the door by picking. I couldn't say that there was.

[0005]

Therefore, the object of the present invention is that it can be used for both the left-pull storage type door and the right-pull storage type door, so that the manufacturing cost can be reduced by mass production of a single type. The storage space can be reduced by halving the number of inventories, and the lock mechanism that can obtain many key differences controls the rotation of the operating handle, so that unauthorized opening of the door can be accurately controlled. A lock handle device is provided.

[0006]

The lock handle device for a door according to the present invention will be described below with reference to the reference numerals in the accompanying drawings. The front case 2 is fixed to the front side of the door 1.
A rear case 3 fixed to the back side of the door 1; a front handle 6 rotatably supporting a base shaft portion 5 on a bearing portion 4 of the front case 2; a bearing portion 7 on the rear case 3; A rear handle 9 rotatably supporting the end shaft portion 8;
Base plate 1 housed in rear case 3 and fixed to door 1
0; the drive cylinder 12 rotatably supported by the bearing portion 16 of the base plate 10, the side wall portion provided with the axial receiving groove 19, and the rear end portion provided with the interlocking projection 29; and the bearing of the rear case 3. The portion 13 has a thumb turn 15 that rotatably supports a base shaft portion 14.

The door lock handle device is connected to the base end shaft portion 14 of the thumb turn 15 so as to rotate integrally therewith, is arranged between the rear case 3 and the base plate 10, and has a pair of left and right locks on its outer surface. A lock case 17 provided with the stop blade plates 18, 48 and a receiving hole 49 opened on the front side; and fitted into the receiving hole 49 of the lock case 17 behind the projection 29 of the drive cylinder 12, and opened on the front side. The lock hole 50 is formed in a cross-sectional shape in which one corner of a regular hexagon is the curved surface 50a, the lock pin 51 is projected on the inner side surface of the lock hole 50, and the lock projection 53 is provided at the center of the inner bottom surface. The lock core 20 includes a spring 21 that is provided between the rear case 3 and the rectangular body surface 52 of the lock case 17 to hold the thumb turn 15 in the locked position and the unlocked position.

Also, in this door lock handle device, the middle portion is rotatably supported by the fixed pivot 22 of the rear case 3, and the upper end hook portion 23 has the left side opening 24 of the rear case 3.
A left-side latch plate 25 having a locking projection 30 on its upper end shoulder portion, the locking projection protruding from the upper end hook portion 26 of the rear case 3 being rotatably supported by a fixed pivot shaft 54. The right side latch plate 2 having a locking protrusion 31 protruding from the right side opening 27 and provided on the upper shoulder portion with which the locking wing plate 48 abuts.
8; a spring 32 that is provided between the rear case 3 and the left latch plate 25 to urge the left latch plate 25 to return to the locked position.
And a spring 55 that is provided between the rear case 3 and the right side latch plate 28 to urge the right side latch plate 28 to return to the locked position.
An interlocking shaft 35 rotatably supported between the rear case 3 and the base plate 10 and provided with a shaft hole 34 into which the shaft bar 33 of the rear handle 9 fitted into the shaft hole 36 of the front handle 6 is inserted. And a drive plate 40 provided on the interlocking shaft 35 and having a drive protrusion 39 abutting against the passive arm portion 37 of the left latch plate 25 and the passive arm portion 38 of the right latch plate 28 at the upper end thereof.

Furthermore, this door lock handle device has a key bar 4 inserted from a key hole 41 of the front case 2.
2, the tip end portion 56 of the key rod 42 fitted into the lock hole 50 of the lock core 20 is formed in a cross-sectional shape in which one corner of the regular hexagon is the curved surface 56a. 56
A lock groove 57 into which the lock pin 51 of the lock core 20 is inserted is axially provided on the side surface of the lock core 20, and a lock recess 58 into which the lock protrusion 53 of the lock core 20 is inserted is provided at the center of the end surface of the key rod tip portion 56. A key 60 provided with a lock pin 59 to be inserted into the receiving groove 19 of the drive cylinder 12 on the side surface of the rod 42; and a left latch plate 2 provided on the left side column wall 44 of the doorway 43.
5 has a receiving metal 45 for engaging and disengaging the front end hook portion 23; and a receiving metal 47 provided on the right side column wall 46 of the doorway 43 for engaging and disengaging the front end hook portion 26 of the right side latch plate 28.

[0010]

As shown in FIG. 8, when the door is used for a right-pull storage type door, when the front handle 6 or the rear handle 9 is gripped and the door 1 is slid to the left to close the doorway 43, the closing operation is performed. At the terminal end, the arcuate cam surface 23a of the upper end hook portion 23 is brought into sliding contact with the opening edge portion of the receiving metal 45, so that the left latch plate 25 once rotates clockwise in FIG. When the door 1 reaches the fully closed position where it abuts the left side column wall 44 and the upper end hook portion 23 passes through the opening edge portion of the receiving metal 45, the left side latch plate 25 is urged by the spring 32 to move in the counterclockwise direction. When rotated, the upper end hook portion 23 deeply engages with the receiving metal 45. Since the engagement between the upper end hook portion 23 and the receiving member 45 is maintained by the bias of the spring 32, the door 1 is held in the closed position.

When it is desired to lock the door 1 from the front side, the key rod 42 of the key 60 is inserted from the key hole 41 of the front case 2, the key rod tip portion 56 is fitted into the lock hole 50 of the lock core 20, and the key is locked. The lock pin 51 of the lock core 20 is inserted into the lock groove 57 of the rod tip portion 56, the lock protrusion 53 of the lock core 20 is inserted into the lock recess portion 58 of the key rod tip portion 56, and the lock pin 59 of the key rod 42 is driven. Receiving groove 19 of cylinder 12
Then, the key bar 42 is turned counterclockwise so that the lock case 17 is in the horizontal position as shown in FIG. By this rotation operation, the locking wing plate 18 on the left side of the lock case 17 comes into contact with the locking protrusion 30 of the left latch plate 25.

On the other hand, when it is desired to lock the door 1 from the rear side, the thumb turn 15 is rotated, the lock case 17 is rotated in the same direction by the base end shaft portion 14, and the locking wing plate 18 of the lock case 17 is locked by the locking projection 30. Abut. by this,
Since the left latch plate 25 is prevented from rotating in the clockwise direction, it is impossible to open the door 1 by turning the front handle 6 and the rear handle 9, and the door 1 is locked in the closed position. .

Those who try to open the door 1 from the front side,
When the lock vane 18 of the lock case 17 is locked, the lock is released, and immediately when the lock is not held, the front handle 6 is immediately grasped to move the interlocking shaft 35 counterclockwise in FIG. turn. By this rotation operation, the drive protrusion 39 of the drive plate 40 pushes the passive arm 37, so that the left latch plate 25 rotates clockwise, and the engagement between the upper end hook portion 23 and the receiving metal 45 is unlocked. If you pull the front handle 6 to the right as it is, the door 1
Is detached from the left side pillar wall 44 and the door storage portion 6 of the right side pillar wall 46.
It is stored in 1 and the doorway 43 is opened.

Those who are trying to open the door 1 from the rear side,
When the thumb turn 15 is locked, the lock is released, and immediately when the lock is not held, the rear handle 9 is grasped and the interlocking shaft 35 is rotated counterclockwise in FIG. By this rotation operation, the drive protrusion 39 of the drive plate 40 pushes the passive arm 37, so that the left latch plate 25 rotates clockwise, and the upper end hook portion 2
The engagement between 3 and the receiver 45 is unlocked. When the rear handle 9 is pulled as it is, the door 1 is detached from the left side column wall 44 and is stored in the door storage portion 61 of the right side column wall 46, and the doorway 43 is opened.

When the opening operation is performed from either the front side or the back side of the door 1, the arc cam surface 26a of the upper end hook portion 26 becomes the opening edge portion 47a of the receiving metal 47 at the end of the opening operation of the door 1. The sliding contact causes the right latch plate 28 to rotate once in the counterclockwise direction in FIG. When the door 1 reaches the fully open position and the tip hook portion 26 passes through the opening edge portion 47a of the receiving metal 47, the right side latch plate 28 causes the spring 55 to move.
Rotate clockwise by the force of the
6 is engaged with the receiving money 47. Top hook portion 26 and receiving wire 47
Is maintained by the bias of the spring 55, the door 1
Is held open.

When it is desired to lock the door 1 from the front side, the key rod 42 of the key 60 is inserted from the key hole 41 of the front case 2, the key rod tip portion 56 is fitted into the lock hole 50 of the lock core 20, and the key is locked. The lock pin 51 of the lock core 20 is inserted into the lock groove 57 of the rod tip portion 56, the lock protrusion 53 of the lock core 20 is inserted into the lock recess portion 58 of the key rod tip portion 56, and the lock pin 59 of the key rod 42 is driven. Receiving groove 19 of cylinder 12
Then, the key bar 42 is turned counterclockwise so that the lock case 17 is in the horizontal position as shown in FIG. By this rotation operation, the locking wing plate 48 on the right side of the lock case 17 contacts the locking protrusion 31 of the right latch plate 28.

On the other hand, when it is desired to lock the door 1 from the back side, the thumb turn 15 is rotated, the lock case 17 is rotated in the same direction by the base end shaft portion 14, and the locking wing plate 48 of the lock case 17 is locked by the locking projection 31. Abut. by this,
Since the right latch plate 28 is prevented from rotating in the counterclockwise direction, it is impossible to turn the front handle 6 or the rear handle 9 to close the door 1, and the door 1 is locked in the open position. It

A person who wants to open the door 1 from the front side of the door 1 releases the lock when the lock vane 48 of the lock case 17 is locked, and immediately when the lock is not locked. , Grasp the front handle 6, and turn the interlocking shaft 35 clockwise in FIG. By this rotation operation, the drive protrusion 39 of the drive plate 40 pushes the passive arm 38, so that the right side latch plate 25 rotates counterclockwise, and the engagement between the upper end hook portion 23 and the catch 47 is unlocked. If you pull the front handle 6 to the right,
The door 1 is separated from the right side pillar wall 46, and the doorway 43 is opened.

Those who are trying to open the door 1 from the rear side,
When the thumb turn 15 is locked, the lock is released, and immediately when the lock is not held, the rear handle 9 is grasped and the interlocking shaft 35 is rotated counterclockwise in FIG. By this rotation operation, the drive protrusion 39 of the drive plate 40 pushes the passive arm 37, so that the left latch plate 25 rotates clockwise, and the tip hook portion 2
The engagement between 3 and the receiver 45 is unlocked. When the rear handle 9 is pulled as it is, the door 1 is separated from the right side column wall 46 and the doorway 43 is opened.

As shown in FIG. 9, when it is used for a left-pull storage type door, the right latch plate 2 is opened at the end of the closing operation of the door 1.
The upper end hook portion 26 of No. 8 is engaged with the receiving wire 47 of the right side column wall 46, while the leading end hook portion 23 of the left side latch plate 25 is engaged with the receiving line 45 of the left side column wall 44 at the end of the opening operation of the door 1. Then
The door 1 is stored in the door storage portion 62 of the left side column wall 44. The opening / closing operation and the locking / unlocking operation of the door 1 are performed in the same manner as in the case of using the right-pull storage type door.

[0021]

In the illustrated embodiment, the front case 2 and the rear case 3 are fixed to the door 1 by screwing a screw 64 into the cylindrical boss 63 fixed to the front case 2 from the rear case 3 side. The base plate 10 is fitted in the front end portion of the rear case 3 and fixed to the rear case 3 to form a cylindrical boss 6.
It is fastened and fixed to the rear case 3 by means of screws 65 screwed into the rear case 6. The return biasing spring 21 of the lock case 17 is a torsion coil spring, and one coil is fitted to the cylindrical boss 66. Interlocking projection 2 of drive cylinder 12
9 is formed in a regular hexagonal shape. The connecting cylinder 11 provided on the back side of the front case 2 is fitted to the front end of the drive cylinder 12. The receiving hole 49 of the lock case 17 has a regular hexagonal shape, and the lock core has a hexagonal nut shape.

In the square shaft hole 67 at the center of the rear surface of the lock case 17, the square protrusion 6 of the base shaft portion 14 of the thumb turn 15 is provided.
8 is fitted and the lock case 17 is attached to the thumb turn 1 by the screw 69 screwed into the screw hole 70 of the rectangular protrusion 68.
It is fixed to 5. The rear case 3 is provided with a stop projection 71 for stopping the locking vane 48 at the locking position.
Return biasing springs 32, 55 composed of torsion coil springs
Is fitted to the fixed pivots 22, 54, and the spring receiving projections 72, 72 are provided at the lower end portions of the left latch plate 25 and the right latch plate 28, respectively.
73 is provided. The shaft rod 33 having a square cross section is provided integrally with the rear handle 9, and has a square shaft hole 3 at the center of the interlocking shaft 35.
4 and the square shaft hole 36 of the front handle 6 are fitted. A cap 7 is attached to the front case 2 by a pivot 74.
5 is pivotally attached, and the cap 75 closes the keyhole 41.

[0023]

According to the door lock handle device of the present invention constructed as described above, the left latch plate 25 and the right latch plate 28 are rotatably supported by the fixed pivots 22 and 54, and the base end shaft of the thumb turn 15 is provided. The lock case 17 connected to the portion 14 is provided with the locking wing plates 18 and 48, and the locking protrusion 30 that comes into contact with the locking wing plate 18 is provided on the upper end shoulder portion of the left latch plate 25 so as to contact the locking wing plate 48. A locking projection 31 that contacts is provided on the upper shoulder of the right side latch plate 28, and a shaft bar 33 to which the rotational force of the front handle 6 and the rear handle 9 is transmitted is connected to the interlocking shaft 35.
And a drive plate 40 is provided on the interlocking shaft 35, and a drive protrusion 39 that abuts the passive arm portion 37 of the left latch plate 25 and the passive arm portion 38 of the right latch plate 28 is provided on the upper end portion of the drive plate 40. Therefore, it can be used immediately for both left-pull storage doors and right-pull storage doors without requiring any change in the assembly method or additional parts, thus reducing the manufacturing cost due to mass production of a single type. It is possible, and it is possible to reduce the storage space by halving the inventory.

In the door lock handle device of the present invention, the lock core 20 is non-rotatably housed in the receiving hole 49 of the lock case 17, and the lock hole 50 opened on the front surface of the lock core 20 is one of regular hexagons. Is formed in a cross-sectional shape with a curved surface 50a, the lock pin 51 is projected on the inner side surface of the lock hole 50, and the lock projection 53 is formed at the center of the inner bottom surface.
And an axial receiving groove 19 is provided in the drive cylinder 12,
The tip 56 of the key rod 42 is formed in a cross-sectional shape in which one corner of a regular hexagon is a curved surface 56a, and the key rod tip 56 is formed.
A lock groove 57 into which the lock pin 51 is inserted is axially provided on the side surface of the lock protrusion 5 at the center of the end surface of the key rod tip portion 56.
3 is provided, and a lock pin 59 to be inserted into the receiving groove 19 of the drive cylinder 12 is provided on the side surface of the key rod 42, and the key difference element varies in the setting direction and the position. Since it is prepared, it has a strong locking mechanism against illegal unlocking by picking, and it is possible to accurately prevent unauthorized opening of the door 1.

Furthermore, the lock pin 5 of the lock core 20
1 and the curved surface 50a of the lock hole 50, the protruding length of the lock protrusion 53, and the positional relationship between the receiving groove 19 of the drive cylinder 12 and the curved surface 50a of the lock hole 50 are changed. Can be obtained.

[Brief description of drawings]

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

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

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

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

5 is a cross-sectional view of the main part of BB of FIG.

6 is a cross-sectional view of the principal part of CC of FIG.

FIG. 7 is an exploded perspective view of a lock mechanism portion of the door lock handle device.

FIG. 8 is a schematic plan view when the door lock handle device is used for a right-pull storage type door.

FIG. 9 is a schematic plan view when the door lock handle device is used for a left-pull storage type door.

[Explanation of symbols]

 1 door 2 front case 3 rear case 4 bearing part 5 base end shaft part 6 front handle 7 bearing part 8 base end shaft part 9 rear handle 10 base plate 11 connecting pipe 12 drive cylinder 13 bearing part 14 base end shaft part 15 thumb turn 16 Bearing part 17 Lock case 18 Locking blade plate 19 Receiving groove 20 Lock core 21 Return bias spring 22 Fixed pivot shaft 23 Upper end hook part 24 Left side opening 25 Left side latch plate 26 Upper side hook part 27 Right side opening 28 Right side latch plate 29 Interlocking protrusion 30 Locking protrusion 31 Locking protrusion 32 Return bias spring 33 Shaft rod 34 Shaft hole 35 Interlocking shaft 36 Shaft hole 37 Passive arm portion 38 Passive arm portion 39 Drive protrusion 40 Drive plate 41 Key hole 42 Key rod 43 Doorway 44 Left side wall 45 Receiving 46 Right side wall 47 Receiving 48 Locking vane 49 Receiving hole 50 Lock hole 51 Kupyn 52 cylinder surface 53 the locking projections 54 pivot 55 return biasing spring 56 key bar tip 57 lock groove 58 locking recesses 59 lock pin 60 key 61 door accommodating portion 62 door accommodating portion

Claims (1)

[Claims] 1. A front case 2 fixed to a front side of a door 1; a rear case 3 fixed to a back side of a door 1; a base end shaft portion 5 rotatably supported by a bearing portion 4 of the front case 2. A supported front handle 6; a rear handle 9 in which a base shaft portion 8 is rotatably supported by a bearing portion 7 of the rear case 3.
A base plate 10 accommodated in the rear case 3 and fixed to the door 1; a base plate 10 rotatably supported by a bearing portion 16 of the base plate 10, an axial receiving groove 19 provided in a side wall portion, and a rear end portion in the rear end portion. A drive cylinder 12 provided with an interlocking protrusion 29; a thumb turn 15 rotatably supporting a base end shaft portion 14 on a bearing portion 13 of the rear case 3; and a base end shaft portion 14 of the thumb turn 15 so as to rotate integrally. The lock case 1 is connected and arranged between the rear case 3 and the base plate 10, has a pair of left and right locking wing plates 18, 48 on its outer surface, and has a receiving hole 49 opened on the front surface.
7; a cross-sectional shape in which one corner portion of a regular hexagon is a curved surface 50a which is fitted into the receiving hole 49 of the lock case 17 behind the projection 29 of the drive cylinder 12 and has the lock hole 50 opened on the front surface. The lock core 20 formed on the inner surface of the lock hole 50 and having the lock protrusion 53 at the center of the inner bottom surface; the rear case 3 and the lock case 1;
A spring 21 installed between the rectangular body surfaces 52 of the No. 7 for holding the thumb turn 15 in the locked position and the unlocked position; and an upper end hook portion 23 rotatably supported at an intermediate portion by a fixed pivot 22 of the rear case 3. A left side latch plate 25 having a lock projection 30 protruding from the left side opening 24 of the rear case 3 and contacting the lock wing plate 18 at the upper end shoulder portion; and an intermediate portion rotatably supported by a fixed pivot shaft 54 and an upper end portion. Hook part 26 is rear case 3
A right side latch plate 28 having a locking protrusion 31 protruding from the right side surface opening 27 and having a locking wing plate 48 abutting on the upper end shoulder portion;
A spring 32 installed between the rear case 3 and the left side latch plate 25 for biasing the left side latch plate 25 to return to the locked position, and a spring 32 installed between the rear case 3 and the right side latch plate 28 for locking the right side latch plate 28. A spring 55 for biasing the position to return to a position; a shaft rotatably supported between the rear case 3 and the base plate 10 and into which the shaft bar 33 of the rear handle 9 fitted into the shaft hole 36 of the front handle 6 is inserted. Interlocking shaft 35 with a hole 34
And; on the interlocking shaft 35, the left latch plate 25 is provided at the upper end.
A drive plate 40 having a drive projection 39 fixed to the passive arm portion 37 and the passive arm portion 38 of the right side latch plate 28.
It has a key rod 42 inserted from the key hole 41 of the front case 2, and the tip 56 of the key rod 42 fitted into the lock hole 50 of the lock core 20 has a regular hexagonal corner with a curved surface 5.
6a, a lock groove 57 into which the lock pin 51 of the lock core 20 is inserted is provided in the side surface of the key rod tip portion 56 in the axial direction, and the lock core is provided at the center of the end surface of the key rod tip portion 56. 20 is provided with a lock recess 58 into which the lock protrusion 53 of the drive cylinder 20 is inserted.
A key 60 provided with a lock pin 59 to be inserted into; a receipt 45 provided on the left side column wall 44 of the entrance / exit 43 for engaging and disengaging the tip hook portion 23 of the left latch plate 25;
A lock handle device for left and right combined type doors, which is provided on the right side column wall 46 and has a receiving member 47 for engaging and disengaging the tip hook portion 26 of the right side latch plate 28.