JP2003293624A - Tubular lock - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tubular lock that can easily align a fastening member with a lock operating part in replacing a cylinder block with a built-in key cylinder and easily adjust the direction of an operating part of a dead bolt and the direction of a rotation transmission member. <P>SOLUTION: This tubular lock has connecting members for connecting the cylinder block with the built-in key cylinder, to the lock operating part side equipped with the dead bolt. A plurality of connecting members provided at the lock operating part opposed face of the cylinder block are held in an adjusting oblong holes formed in the lock operating part opposed face and mounted movably in the longitudinal direction of the adjusting oblong holes to make the positions of the connecting members adjustable. The connecting members are provided to be mountable in conformity to the stop part position on the lock operating part side. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tubular lock used for locking a hinged door, and more particularly to a tubular lock capable of facilitating replacement of a key cylinder in an existing tubular lock.

[0002]

2. Description of the Related Art In a conventional tubular lock, a fastening member for connecting a cylinder block and a lock operating portion to a lock operating portion of a cylinder block 91 is connected to a lock operating portion as shown in FIG. It was fixed to the facing surface 92 by the screw portion of the fastening member 93. Ie 2
The fastening member 93 of the book is fixed to the fastening surface of the cylinder block 91 and is configured to be connected to a fixing hole provided on the lock operating portion side. The interval between the fastening member 92 and the fixing hole is such that the tubular lock 90 and the lock operating portion are
When they are attached at the same time, they are formed so that the distance between them is the same from the beginning.

Further, the key cylinder built in the cylinder block 91 is configured to operate the dead bolt by a rotation transmitting member provided at the tip of the key cylinder in order to advance and retract the dead bolt of the lock operating portion. ing. When the cylinder 90 and the lock operating portion are mounted at the same time, the relationship between them is constant and the orientation of the rotation transmitting member is constant. However,
In the conventional tubular lock 90 described above, when the key and the key cylinder are replaced to prevent the key from being lost or to be picked, the minimum key and the key cylinder are replaced. In this case, since the key cylinder is built in the cylinder block, the cylinder block must be replaced, and therefore, the fastening member and the rotation transmitting member, and therefore, the positions of the fastening member and the fixing portion attached to the cylinder block are not changed. In some cases, the orientation of the rotation transmitting member does not match the orientation of the lock operating portion side. In this way, if there is a deviation in each relationship, it is necessary to replace the lock body side as well,
There is a problem that replacement of the key cylinder becomes difficult and replacement cost becomes high.

Further, even when the orientation of the rotation transmitting member connected to the key cylinder after replacement does not match the orientation of the hole of the dead bolt of the lock operating portion, the lock operating portion must be replaced. The present invention has the drawback that it becomes difficult to replace the key cylinder and the cost also rises. Therefore, when replacing the cylinder block containing the key cylinder, the present invention simplifies the positioning of the fastening member with respect to the lock operating portion. An object of the present invention is to provide a tubular lock that can be carried out and that can easily match the direction of the operating portion of the dead bolt and the direction of the rotation transmitting member.

[0005]

A tubular lock for carrying out the present invention is a tubular lock having a connecting member for connecting a cylinder block containing a key cylinder to a lock operating portion side. A plurality of connecting members provided on the lock operating portion facing surface of the cylinder block are held by the adjusting slots formed on the lock operating portion facing surface, and the connecting members are movably mounted in the longitudinal direction of the adjusting slot. The position of the connecting member is adjustable in the surface direction of the facing surface, and the connecting member is provided so that the connecting member can be attached according to the position of the locking portion on the lock operating portion side.

In the tubular lock of this structure, a fastening member for connecting the cylinder block and the lock operating portion is provided at the mounting portion of the cylinder block so that the connecting member can be attached in accordance with the position of the locking portion on the lock operating portion side. Therefore, when replacing the key cylinder due to loss of the key, etc., it is easy to position the fastening member for fastening the cylinder block and the lock operation part even if only the cylinder block having the key cylinder is replaced. Therefore, it is possible to replace only the key cylinder side by using the already installed lock operating portion. Therefore, the cylinder block can be easily replaced, and since the lock actuating portion itself does not need to be replaced, the replacement cost can be reduced.

The tubular lock according to claim 2 is
A neck portion is formed on the connecting member, and the adjustment block long hole of the cylinder block is formed to have a narrow width on the opening side in the depth direction. It is characterized in that it is formed so as to be movable in the longitudinal direction of the adjustment long hole in this state. In the tubular lock having this structure, the fastening member can be easily fitted to the mounting portion of the lock actuating portion main body simply by moving the rod-shaped member in the longitudinal direction of the adjustment elongated hole. Therefore, since it can be matched with various lock operating parts, a small number of replacement key cylinders can be used, which contributes to a reduction in supply cost as a repair part.

Further, the tubular lock according to a third aspect of the present invention is a cheek blocker lock having a connecting member for connecting a cylinder block containing a key cylinder to a lock actuating portion side, wherein the surface of the cylinder block is opposite to the lock actuating portion. A plurality of connecting members provided are fixed by a plurality of connecting member fixing holes formed on the facing surface side, and the connecting member fixing holes are formed so as to be selectable as a combination of a plurality of fixing holes. By selecting one of the fixing hole combinations, the connecting members can be set to different intervals, and the connecting member can be attached according to the locking portion of the lock operating portion. I am trying.

According to the tubular lock of this structure, by selecting the connecting member fixing holes in an appropriate combination, it can be easily fitted to the locking portion on the lock operating portion side, and can be used in various lock operating portions. Since they can be matched, a small number of replacement key cylinders can be used, which contributes to a reduction in the supply cost of repair parts. Further, in the tubular lock according to claim 4 of the present invention, a rotation transmission member having a rotation transmission key that is connected to the key cylinder in the cylinder block and operates the dead bolt of the lock operating portion is provided in the rotation direction of the key cylinder. On the other hand, it is characterized in that it can be set to an arbitrary rotation angle.

According to the tubular lock of this construction, the rotation transmitting member for transmitting the rotational force of the key cylinder can be set at an arbitrary angle with respect to the direction of rotation of the key cylinder. There is no restriction on the relationship between the dead bolt and the operating hole. Therefore, it is possible to correspond to any orientation of the above-mentioned actuation holes, which contributes to the improvement of versatility. In the tubular lock according to claim 5 of the present invention, the rotation transmitting member is provided with a substantially cylindrical case having a space inside and a positioning member provided inside the case, and the dead of the lock main body is provided on the tip side of the positioning member. A rotation transmission key for rotating the bolt is provided, and by moving the positioning member in the axial direction, the positioning member can be selected between a free state and a fixed state, and rotation transmission is performed with the positioning member free. It is characterized in that the positioning member is fixed and the direction of the rotation transmission key can be changed by moving the keys in the fixed direction after the keys are aligned in the rotational direction.

According to the tubular lock of this structure, the rotation transmission key can be freely set in the free state and the fixed state, and the positioning member is set in the free state so that the rotation transmission key is aligned. Then, by moving in the fixed direction, the rotation direction of the rotation transmission key can be determined, and the key cylinder key insertion direction, the rotation transmission member direction, and the dead bolt insertion hole direction can be determined. They can be freely combined and the key cylinder can be easily replaced.

Further, in the tubular lock according to claim 6 of the present invention, the rotation transmitting member is provided with a case having a polygonal shape on the inner side and a positioning member provided in the case. A rotation transmission key for rotating the deadbolt is provided, and by moving the positioning member in the axial direction, the positioning member can be selected between a free state and a fixed state, and the positioning member can be rotated in the free state. It is characterized in that the direction of the rotation transmission key can be changed by moving the transmission key in the fixed direction after the rotation keys are aligned in the rotation direction.

According to the tubular lock having this structure, the orientation of the positioning member can be determined by inserting the positioning member in accordance with the polygonal receiving portion, and the tubular member has a simple structure as the positioning member. According to the lock can be provided.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. 1 is a perspective view of a tubular lock showing an embodiment, FIG. 2 is a perspective view of a lock operating portion, FIG.
FIG. 4 is a front view and a side view of the cylinder. The tubular lock 1 has a cylinder 13 inside a cylinder ring 11 and a key cylinder (not shown) inside the cylinder 13. In the cylinder 13, a fastening member 1 is provided on a surface facing a lock actuating portion 3 which will be described later, through an elongated slot 14 for adjustment.
5 is attached.

Further, a rotation transmission key 23 for inserting and removing the dead bolt of the lock operating portion 3 is attached to the rotation transmission base portion 20 in association with the rotation of the key 19 in the key cylinder. The lock operating unit 3 is provided with a dead bolt 31 for locking the door so that it can be moved in and out of the case, and a dead bolt driving unit 33 driven by a rotation transmission key 23 on the key cylinder side and an operating plate 34 are used to lock the key. The deadbolt 31 is operated by transmitting the turning operation of 19.

The lock actuating portion 3 is provided with a fixing hole 35 of the fastening member 15 for connecting with the tubular lock 1, and is fastened to the fastening member 15 by using a set screw 36. Is. The cylinder ring 11 has a substantially cylindrical shape, and the cylinder 13 can be installed by moving the cylinder ring 11 in the longitudinal direction. The cylinder 13 is formed with an adjusting long hole 14 for holding the fastening member 15. The adjusting long hole 14 is formed in a groove shape from the outer circumference toward the center in the diametrical direction in a front view. In this embodiment, the two elongated slots 14 for adjustment are formed symmetrically with respect to the center, and the groove depth is set to a depth into which the head of the fastening member 15 fits. The outer side of is formed to be open to the peripheral surface of the cylinder 13. As shown in FIG. 4, the groove shape of the adjustment elongated hole 14 is such that the inner portion is formed wider than the inlet side, and the neck portion 15a of the fastening member 15 is locked so that the fastening member 15 moves in the axial direction thereof. Although the fastening members 15 are configured so as not to slip out, the fastening members 15 are configured to be freely slidable in the left-right direction, and the distance between the fastening members 15 can be adjusted.

It is possible to prevent the fastening member 15 from coming off by attaching an O-ring or the like to the groove 13a formed around the cylinder 13 so that the fastening member 15 does not come off from the end portion of the adjustment elongated hole 14. As shown in FIG. 5, the rotation transmission key 23 has a cylindrical case 21 that constitutes the rotation transmission base portion 20.
And a positioning member 22 fitted and inserted inside thereof. The case 21 has a locking portion 2 protruding on the inner peripheral surface.
A plurality of 1a are formed at equal intervals in the circumferential direction. The positioning member 22 has a slit 22a formed at one end in the axial direction, and when the positioning member 22 is inserted in the case 21, the locking portion 21a and the slit 22a in the case 21 are inserted.
Are locked and the positioning member 22 can be prevented from rotating. Then, the positioning member 22 locks the roll pin 25 inserted into the case 21 in the recess 22b formed in the positioning member 22 to prevent the positioning member 22 from slipping out. A coil spring 24 is provided between the bottom of the case 21 and the positioning member 22 to bias the positioning member 22 outward so that the positioning member 22 does not rotate. By properly setting the spring force of the coil spring 24, the engagement between the roll pin 25 and the recess 22b is ensured, so that the locking portion 21a and the slit 22a inside the case 21 are omitted. It is also possible to adopt the above configuration.

When mounting the tubular lock, it is necessary to align the direction of the rotation transmission key 23 with the direction of the hole of the dead bolt drive unit 33 on the lock operating unit 3 side. In that case, the roll pin 25 is pulled out. The positioning member 22 is pulled out, rotated at an arbitrary angle, and then reinserted. Therefore, the directions of the rotation transmission key 23 and the deadbolt drive unit 33 can be easily matched. In addition,
The rotation transmission key 23 is configured so that it can be unlocked and locked by a thumb turn, and although not particularly shown, it is configured to freely rotate within a rotation angle range of about 90 degrees.

The tubular lock 1 of the present invention is particularly useful for replacing a key cylinder. That is, when only the key cylinder is replaced with the lock operating portion 3 already attached to the door, when the interval between the locking holes 35 of the lock operating portion 3 and the interval between the fastening members 15 on the key cylinder side are different. Also, it can be easily attached. When exchanging the key cylinder, according to the tubular lock 1 of this embodiment, when the fastening members 15 have different widths with respect to the locking holes 35 of the lock actuating portion 3, the fastening member 15 is adjusted for adjustment. Since it is movable in the longitudinal direction of the hole 14, the fastening member 1 is adjusted in accordance with the distance between the fixing holes 35.
By sliding 5 the fastening member 15 can be easily fitted into the fastening hole 35. Therefore, the tubular lock 1 can be suitably mounted as a supplementary key cylinder.

In the above embodiment, the adjustment elongated hole 1 is used.
No. 4 shows the one formed in the diametrical direction.
By making the longitudinal directions of 4 parallel, adjustment in the vertical direction is also possible. Further, as a method of adjusting the distance between the fastening members 15, other than the method shown in the above-described embodiment, as shown in FIG. 6, a mounting hole 42 as a standard position for mounting the fastening member 15 is provided, and further the mutual mounting is performed. By providing an adjusting member formed by mounting holes 43 having a wide space, mounting holes 44 having a small space between them, and the like so that a plurality of combinations are possible, and selecting any mounting hole of the adjusting members, The spacing between the fastening members 15 can be adjusted arbitrarily.

Further, in the above-mentioned embodiment, the case of the two fastening members 15 is shown, but the present invention can be similarly applied to a tubular lock having three or more fastening members. In the above-described embodiment, the configuration in which the positioning member 22 is inserted into the cylindrical case 21 is shown as a form of changing the direction of the rotation transmission key 23. However, as shown in FIG. The rotation transmission key 23 is formed by forming a rectangular positioning member that can be fitted in the case 28, and changing the direction of the positioning member and inserting it into the case 28.
The orientation of can be changed easily.

[Brief description of drawings]

FIG. 1 is a perspective view of a tubular lock.

FIG. 2 is a perspective view of a lock operating unit 3.

FIG. 3 is a front view of a key cylinder.

FIG. 4 is a side view of a key cylinder.

FIG. 5 is an exploded perspective view showing a rotation transmission key and a rotation transmission base.

FIG. 6 is a perspective view showing another embodiment of a position changing member for fastening members.

FIG. 7 is a front view showing another embodiment of a member for changing the angle of the rotation transmission key.

FIG. 8 is a perspective view of a conventional tubular lock.

[Explanation of symbols]

1 tubular lock 11 Cylinder ring 13 cylinders 14 Long hole for adjustment 15 Fastening members 3 lock actuator 31 Dead Bolt 33 Deadbolt drive 35 Fixing Hole

Claims (6)

[Claims] 1. A tubular lock having a connecting member for connecting a cylinder block containing a key cylinder to a lock operating portion side, wherein a plurality of connecting members provided on a surface of the cylinder block facing the lock operating portion are provided. The lock member is held by an adjusting slot formed on the facing surface, and the connecting member is movably attached in the longitudinal direction of the adjusting slot, and the position of the connecting member is adjustable in the surface direction of the facing surface. And a connecting member is provided so that the connecting member can be attached in accordance with the position of the locking portion on the lock operating portion side. 2. A neck portion is formed on the connecting member, and the adjustment block long hole of the cylinder block is formed with a narrow width on the open side in the depth direction, and the neck portion of the connecting member is provided so as to be able to engage with the narrow portion. The tubular lock according to claim 1, wherein the tubular lock is formed so as to be movable in the longitudinal direction of the adjustment long hole while being locked. 3. A cheek blocker lock having a connecting member for connecting a cylinder block containing a key cylinder to the lock operating portion side, wherein a plurality of connecting members provided on the lock operating portion facing surface of the cylinder block are opposed to each other. It is configured to be fixed by a plurality of connecting member fixing holes formed on the surface side, and the connecting member fixing holes are formed so as to be selectable as a combination of a plurality of fixing holes. 2. The tubular lock according to claim 1, wherein the connecting members can be set to different intervals by selecting, and the connecting member can be attached according to the locking portion of the lock operating portion. . 4. A rotation transmission member having a rotation transmission key, which is connected to a key cylinder in a cylinder block and operates a dead bolt of a lock operating portion, can be set at an arbitrary rotation angle with respect to a rotation direction of the key cylinder. A tubular tablet characterized by being configured. 5. The rotation transmitting member is provided with a substantially cylindrical case having a space inside and a positioning member provided inside the case, and a rotation transmitting key for rotating the dead bolt of the lock body is provided on the tip side of the positioning member. It is provided so that the positioning member can be selected between the free state and the fixed state by moving the positioning member in the axial direction, and the direction of the rotation direction of the rotation transmission key is adjusted with the positioning member in the free state. The tubular lock according to claim 4, wherein the positioning member is fixed and the direction of the rotation transmission key can be changed by moving the positioning member after the positioning member is moved in the fixed state. 6. The rotation transmitting member is provided with a case having a polygonal shape on the inner side and a positioning member provided inside the case, and a rotation transmitting key for rotating the dead bolt of the lock body is provided on the tip end side of the positioning member. By moving the positioning member in the axial direction, the positioning member can be selected between the free state and the fixed state.After the positioning member is in the free state, the direction of the rotation transmission key is adjusted and then fixed. 5. The structure in which the direction of the rotation transmission key can be changed by moving the rotation transmission key in the state direction.
The described tubular tablets.