JPH10311171A - Key with thumb-turn of sliding door, etc. - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lock for sliding door, etc., capable of being temporarily locked from an outdoor side and being really locked from both indoor and outdoor sides at a low cost. SOLUTION: A slider 15 interlocking with a lock device 3 and moving inside a lock case 2 is interlocked with a shifter 17 through a sliding pin 16 freely fitted to guide slots 22 formed in both sides of the lock case 2, a hasp pin 20 provided at the other end side of the shifter 17 is freely fitted to a slot 11 of a hasp 1, and temporary locking and unlocking is made by controlling a knob of the shifter 17. While, real locking and unlocking is made by controlling a key 6 inserted in the lock device 3 or a thumb-turn 9.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of a lock with a thumb turn used for a sliding door of an assembling house such as a mini-house, a storeroom, a warehouse, a garage, and the like.

[0002]

2. Description of the Related Art In locks provided on sliding doors of various types of assembled houses, since a latch protrudes to the back side of the door, a force acts on the latch laterally when locking, so that the latch is a forged material. Therefore, it has to be formed with high rigidity, and the structure has been complicated and expensive.

On the other hand, in the case of an associative sliding door, since the latch is protruded and retracted in the opening and closing direction of the sliding door, a tensile force acts in a direction along the latch, that is, in a direction orthogonal to the axis of the latch. It can be formed relatively inexpensively by the material.

[0004] However, in order to enable temporary locking with such a lock for a sliding door, it is necessary to provide another latch separately from the main locking, and two latches are required. The configuration was complicated and the cost was high.

[0005]

Therefore, the present applicant has
Japanese Patent Application No. 9-69052 has already proposed an inexpensive lock such as a sliding door that can be temporarily and permanently locked. However, for example, in the case of a lock such as a sliding door provided at an entrance other than a shutter of a garage or the like, it is sometimes desired that the door can be locked and unlocked from the indoor side.

The present invention has been made in view of such circumstances,
It is an object of the present invention to provide a lock such as a sliding door that can be temporarily locked from the outdoor side and can be fully locked from both the outdoor side and the indoor side at low cost.

[0007]

According to the present invention, means for solving the above-mentioned problems are constituted as follows. That is, a lock device for locking and unlocking operation, which is provided in a lock case and can insert and lock a key, and a pin shaft of the lock device is loosely fitted and engaged with a locking hole formed on one end side. A slider that moves in the lock case by operating a key;
The slide pin is loosely engaged with a pair of elongated holes formed on both bent pieces formed upright at the other end of the slider and guide grooves formed on both side surfaces of the lock case. It has a pair of notch holes formed in an approximately L shape at one end side, moves in the lock case in cooperation with the slider, and projects a knob for temporary locking operation from the front opening of the lock case. The shifted shifter and a latch pin provided on the other end of the shifter are loosely fitted into the elongated holes and are rotatably supported in the lock case. A latch for bringing the toe into and out in the opening and closing direction of the sliding door, wherein the locking device is inserted into a through hole formed in the support member having a key hole on the outdoor side and slid in the axial direction. It is freely and rotatably supported and engages with the recess formed in the through hole at the locking position and the unlocking position. A rotating body having a raised portion, a spring for biasing the rotating body to the outside of the room, and an engagement hole for engaging the indoor end of the rotating body on one side, and provided on the other side on the inside of the room. A first gear having an engagement hole for engaging the engagement end of the thumb turn to be engaged and having a gear train and a positioning recess on the outer periphery, and a gear train meshing with the gear of the first gear on the outer periphery. A second gear rotatably supported by the support member, the pin shaft protruding from one side surface thereof; and a positioning recess attached to the support member, the positioning recess at a locking position and an unlocking position. A leaf spring having a projection engageable and releasable and biasing the first gear in a direction in which the first gear meshes with the second gear; while the provisional unlocking and unlocking is performed by operating the knob, Operate the key inserted in the key hole of the lock device or the thumb turn This unlocking is characterized by being configured to be made by the.

By operating the knob of the shifter, the latch can be rotated via a slide pin provided on the other end of the shifter to project the latched end, thereby forming a temporary locked state. The lock can be unlocked by the reverse operation.

On the other hand, by inserting the key into the key hole and operating the key from the temporarily locked state, the key can be locked by the lock device and the actual locking can be performed. Further, from the unlocked state, by inserting a key into the key hole of the lock device and operating the key, or by operating the thumb turn, the shifter is moved through the slider, and the latch is rotated to rotate the shifter. The locking end is locked with the projecting end protruding, and the locked state is formed, and the key or the thumb turn can be unlocked by reversing the operation.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a lock such as a sliding door according to the present invention will be described below in detail with reference to the drawings. 1 is an exploded perspective view of a sliding door lock, FIG. 2A is a rear view thereof, and FIG.
3A is a side view, FIG. 3B is a rear view of the lock case, and FIG. 4 is a perspective view. In these figures, reference numeral 1 denotes a latch made of a sheet metal material, and 2 denotes a lock case. Reference numeral 3 denotes a locking device for the locking / unlocking operation, 4 denotes a supporting member, 5 denotes a rotating body (cylinder) rotatably supported in a through hole formed in the supporting member 4, and 6 denotes a rotating body. 5 is a key to be inserted into a key hole 53 formed on the front surface of the key.

Reference numeral 8 denotes a first gear (cylinder gear) which is engaged with the indoor end of the rotating body 5. An engaging end 52 formed on one side of the first gear (cylinder gear) projects from the indoor end of the rotating body 5. On the other side, there is provided an engaging hole 81 into which the engaging end 91 of the thumb turn 9 provided on the indoor side is engaged. It has a gear train 83 and two recesses 84 and 85 for positioning.

Numeral 10 denotes a leaf spring for urging and supporting the first gear 8 upward. The both ends of the leaf spring are hooked to a supporting portion 41 formed at a lower portion of the supporting member 4, and a projecting portion 101 protruding from a central portion thereof is provided. The first gear 8 is biased and fitted into one of the two concave portions 84 and 85,
The first gear 8 is lightly latched between the unlocked position and the locked position to urge and support it.

A second gear (sliding gear) 11 meshes with the first gear 8 biased and supported upward by the leaf spring 10. A gear train 113 meshing with the gear train 83 of the first gear 8 is provided on the outer periphery thereof.
Further, a pin shaft 12 protrudes from one side surface thereof, and the second gear 11 is rotatably supported by a support shaft 43 protruding from the support member 4.

The above-mentioned rotating body 5 is provided with a through hole 42 of the supporting member 4.
It is urged outward by a spring 13 inserted therein, and is supported in a retaining state by an E-ring 14 (see FIG. 5 (A)). The two projections 51, 51 protruding from the outer periphery of 5 engage with the two concave grooves 421, 421 formed in the through hole 42 (FIG. 6).
(See (A) to (C)), the rotating body 5 is non-rotatably fixed to the support member 4. At this time, the engagement hole 82 of the first gear 8
The engagement of the engaging end 52 of the rotating body 5 with the engaging member 52 (see FIG. 7B) is unlocked, and the convex portion 101 of the leaf spring 10 urges and fits into the concave portion 84 or 85 of the first gear 8. The first gear 8 is biased and supported in a state of being meshed with the second gear 11. When the key 6 is operated, the above-mentioned leaf spring 10 gives a clicking feeling.

On the other hand, by pressing the key 6, the fixed state of the rotating body 5 is unlocked, and the engaging end 52 can be engaged with the engaging hole 82 of the first gear 8 (FIG. 5 ( B), and by rotating the key 6, an unlocking operation can be performed as described later.

The engaging hole 82 of the first gear 8 and the rotating body 5
The engagement with the engagement end 52 has a play of 90 degrees with each other (see FIGS. 9A to 9C). Therefore, the rotating body 5 operated by the key 6 and the thumb-turn 9 There is a 90-degree play between them. Thus, the thumb turn 9 can be held in the locked state by the key 6 (the rotating body 5 is fixed in the locked position) or in the unlocked state (the rotating body 5 is fixed in the unlocked position). Only one can be operated independently to perform locking and unlocking operations from the indoor side.

Reference numeral 15 denotes a slider, on one end of which is formed a locking hole 151 for loosely engaging the pin shaft 12 of the lock device second gear 11, and the key 6 inserted into the lock device 3 is operated. Then, the sliding pin 16 is loosely fitted into a pair of long holes 153 formed in the bent pieces 152, 152 erected on the other end side, and the sliding pin 16 is inserted into the lock case 2. Are loosely fitted in guide grooves 22 formed on both side surfaces 21. The guide groove 22 is formed in a substantially triangular notch shape surrounded by a vertical side 221, an inclined side 222, and a horizontal side 223. In FIG. 3B, reference numeral 26 denotes a shaft guide groove of the pin shaft 12 formed on the back plate 24 of the lock case 2.

Reference numeral 17 denotes a shifter which operates in cooperation with the slider 15 via the slide pin 16, and the slide pin 16 is loosely fitted into a notch hole 172, 172 formed at one end of each of both side walls 171, 171. At the same time, one end of a spring 19 wound around a support pin 18 provided so as to pass between the two side walls 171 and 171 is hooked on the sliding pin 16 and the other end is hooked on the top plate 173 of the shifter 17. The shifter 17 is urged against the back surface of the front plate 23 of the lock case 2 and the slide pin 16 is urged toward the back plate 24, while the other end is hooked on a bent flange 174 at the other end. The pin 20 is erected and fixed, and the latch pin 20 is loosely engaged with the elongated hole 1a formed in the latch 1. An operation knob 175 is provided on the surface of the top plate 173 so as to protrude therefrom. Opening 23 in
The knob 175 protrudes from 1. FIG.
Reference numerals 176, 176 denote protrusions guided by protrusion guide grooves 27, 27 formed on both side surfaces 21, 21 of the lock case 2.

The latch 1 is fixed to a lock case 2 by a support shaft 1b.
The lock end 1c can be protruded from an opening 210 (see FIG. 8 (B)) formed in the side surface 21 of the lock case 2 so as to be freely retractable. The hook projection 1d and the projection formed on the back plate 24 of the lock case 2
A helical spring 29 is hung between the lock case 25 and the hook 1 is stored in the lock case 2 (see FIG. 7B), and the hook end 1c is projected from the opening 210 on one side surface 21. Position (Fig. 8
(See (B)). In FIG. 1, reference numeral 28 denotes a shaft hole for pivotally supporting the support shaft 1b. Reference numeral 241 denotes a rear plate provided to be attached to the back plate 24, and is fixed to the front plate 23 by bolting via screw shafts 242, 242 (see FIG. 7A).

In the sliding door lock constructed as described above, the temporary locking and the main locking can be performed very easily and reliably by the following operations. First, the unlocked state is shown in FIGS. 7 (A), (B) and 10 (A) and FIG.
0 (D), shown by solid lines in FIGS. 11 (A) and 11 (D), the latch 1 is housed in the lock case 2 by a helical spring 29, and the knob 175 is an opening in the front plate 23 of the lock case 2. 231 and in the unlocked position above the pin shaft 12 of the locking device 3.

When the knob 175 is moved downward from this state (see FIG. 10C or FIG. 11C), the shifter 175 is shifted.
The latch 1 is rotated clockwise by the latch pin 20 of FIG. 17, and the two-dot chain line in FIG. 10 (D) or FIG.
As shown in (A) and (B), the latching end 1c of the latch 1
From the opening 210, and the sliding door (or pillar) 32
(See FIG. 4), and is temporarily locked. Meanwhile, the sliding pin 16 is connected to the horizontal side 223 of the guide groove 22.
The horizontal portion of the notch hole 172 of the shifter 17 that is loosely fitted to the sliding pin 16 at one end side (side that intersects the inclined side 222)
71 only moves from the opening side (see FIG. 12 (A)) to the back side (see FIG. 12 (B)), and the slider 15 and the lock device 3 remain as they are (see FIG. 8 (B)). It has become.
This temporary locking state can be released by moving the knob 175 upward, or by directly rotating the locking end 1c counterclockwise. FIG.
Inside, 31 is a sliding door.

In order to perform the actual locking from the above-described temporary locking state, the key 6 is inserted into the key hole 53 and the projections 51, 5 of the rotating body 5 are inserted.
1 is disengaged from the grooves 421, 421, and the engagement end 52 is
(See FIG. 10 (B)), and may be rotated clockwise by 180 degrees. The first key operation
The gear 8 and the second gear 11 rotate, the pin shaft 12 moves from the upper unlocked position to the lower locked position (see FIGS. 9A to 9C), and the slider 15 moves downward. Then, the sliding pins 16 loosely fitted in the long holes 153 are moved in the same direction. After the sliding pin 16 moves downward from the position of the temporary lock shown in FIG. 13A to the horizontal side 223 of the guide groove 22 of the lock case 2 and the horizontal portion 71 of the cutout hole 172 of the shifter 17, spring
It is fitted into the vertical part 72 by the urging force of 19 (FIG. 13
(B)). As a result, the latch 1 is locked. Also, instead of the key operation described above, a thumb turn 9
The latch 1 can be locked in the same manner by rotating the levers in the same direction (see FIG. 11B).

In the locked state, the sliding pin 16 fits into the vertical portion 72 of the notch hole 172 of the shifter 17,
Since the downward movement of the shifter 17 is prevented, the latch pin 20 prevents the latch 1 from rotating clockwise. This locked state can be released by rotating the key 6 inserted in the key hole 53 counterclockwise, or by rotating the thumb turn 9 in the same direction.

On the other hand, the case where the actual locking is performed from the state in which the temporary locking is not performed is shown in FIGS. 14 (A) to 14 (C).
Is stored in the lock case 2 and the sliding pin 16 is at the position shown in FIG. 14 (A). In this state, the key 6 is inserted into the key hole 53 and rotated clockwise or the thumb turn 9 is rotated. The sliding pin 16 moves down along the inclined side 222 of the guide groove 22 by rotating the latch 1 (see FIG. 14B). From the inclined side 222 to the vertical side 221 and fit into the vertical portion 72 of the cutout hole 172 of the shifter 17 (see FIG. 14C). This state is
This is the same lock state as in FIG. 13 (B).

When the key 6 or the thumb turn 9 is rotated counterclockwise in the above-described locked state, the pin shaft 12 is moved to the upper unlocked position, and the slider 15 is moved upward. Then, since the sliding pin 16 moves upward along the inclined side 222 of the guide groove 22 and pushes up the shifter 17 in the same direction, the latch 1 is rotated clockwise and stored in the lock case 2 ( (See FIGS. 14A to 14C).

As described above, according to the present sliding door lock, the temporary locking from the outdoor side and the main locking from both the indoor and outdoor sides can be performed very easily by the single latch 1. Since 1 is provided in the direction along the direction of action of the external force, it can be formed inexpensively using a sheet metal material.

[0027]

As described above, according to the lock such as the sliding door of the present invention, the slider linked to the lock device is shifted by the shifter through the slide pin loosely fitted in the guide groove of the lock case. The latch is rotated by the shifter, and the latch is temporarily operated and unlocked by operating the knob of the shifter, while the latch is operated by operating the key or the thumb turn inserted into the lock device. Since the locking is performed, the temporary locking from the outdoor side and the real locking from the indoor and outdoor sides can be performed with good operability by the latch made of a single sheet metal material, and the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a sliding door lock according to an embodiment of the present invention.

2A is a rear view of the sliding door lock, and FIG. 2B is a front view thereof.

3A is a side view of the lock case, and FIG. 3B is a rear view thereof.

FIG. 4 is a perspective view of a sliding door lock attached to the sliding door.

FIG. 5A is a cross-sectional view showing the correspondence between the thumb turn and the rotating body, and FIG. 5B is a cross-sectional view when a key is inserted.

FIG. 6A is a diagram showing a correspondence between the rotating body and a support member, and FIG.
FIG. 2 is a front view of the support member, and FIG. 2C is a front view of the rotating body.

FIG. 7A is a longitudinal side view of a sliding door lock when unlocked, and FIG.
FIG.

FIG. 8A is a longitudinal side view of the sliding door lock at the time of the main locking,
(B) is a longitudinal front view of the same.

FIG. 9A shows the state of engagement of the first gear and the second gear when the key is turned 90 degrees, and FIG. 9C shows the state when the key is turned 180 degrees. FIG.

FIG. 10A shows the position of a sliding pin when unlocking, and FIG.
FIG. 9 is a side view of the sliding door lock, showing a moving state of the slider at the time of key operation, (C) showing a position of the shifter at the time of temporary locking, and (D) showing a rotating state of the latch. .

FIG. 11A shows the position of a sliding pin when unlocking, and FIG.
FIG. 9 is a side view of the sliding door lock, showing a moving state of the slider at the time of a thumb turn operation, (C) showing a position of the shifter at the time of temporary locking, and (D) showing a rotating state of the latch.

12A is an enlarged view showing a corresponding position of a sliding pin and a shifter at the time of unlocking, and FIG.

13A is an enlarged view showing a corresponding position of a sliding pin and a shifter at the time of temporary locking, and FIG.

14A is an enlarged view showing the unlocked position, FIG. 14B is an enlarged view showing the corresponding position of the sliding pin and the shifter at the time of the main locking, and FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Latch, 1c ... Locking end, 2 ... Lock case, 3 ... Locking device, 4 ... Support member, 6 ... Key, 8 ... First gear, 81 ... Engagement hole, 82 ... Engagement hole, 83 ... Gear Rows, 84, 85 recess, 9 thumb turn, 91 engaging end, 10 leaf spring, 1
DESCRIPTION OF SYMBOLS 1 ... 2nd gear, 113 ... Gear train, 12 ... Pin shaft, 13 ...
Spring, 15: slider, 16: sliding pin, 17: shifter, 175: knob, 20: latch pin, 22: guide groove, 210: opening, 31: sliding door.

Claims (1)

[Claims] 1. A lock device provided in a lock case for locking and unlocking by inserting a key, and a pin shaft of the lock device is loosely fitted into a lock hole formed at one end side. A slider that moves in the lock case by operating the key, a pair of long holes formed in both bent pieces formed upright at the other end of the slider, and both side surfaces of the lock case. L which is loosely engaged with a slide pin loosely fitted in the guide groove formed in
A pair of cutout holes formed in the shape of a letter were provided on one end side, and moved in the lock case in cooperation with the slider, and a knob for temporary locking operation was projected from the front opening of the lock case. A shifter and a latch pin provided on the other end side of the shifter are loosely fitted into the elongated holes and are rotatably supported in the lock case. And a latch which is protruded and retracted in the opening and closing direction of the sliding door, wherein the locking device is inserted into a through hole formed in the support member having a key hole on the outdoor side, and is slidable in the axial direction. A rotating body rotatably supported and having a projection engaged with the concave groove formed in the through hole at the locking position and the unlocking position, a spring for urging the rotating body to the outside of the room, and the rotating body One side has an engaging hole for engaging with the indoor side end, and the other side has an engaging hole on the indoor side. A first gear having an engagement hole for engaging the engagement end of the thumb turn to be engaged and having a gear train and a positioning recess on the outer periphery, and a gear train meshing with the gear of the first gear on the outer periphery. A second gear rotatably supported by the support member, the pin shaft protruding from one side surface thereof; and a positioning recess attached to the support member, the positioning recess at a locking position and an unlocking position. A leaf spring having a projection engageable and releasable and for urging the first gear in a direction meshing with the second gear; while the provisional unlocking and unlocking is performed by operating the knob, the lock A lock with a thumb turn, such as a sliding door, characterized in that the lock is unlocked by operating a key inserted into a key hole of the device or the thumb turn.