JPH01278674A - Lock device - Google Patents

Abstract

PURPOSE:To simplify engagement and disengagement by providing a slide member for mounting a dial member rotatably on a lock body and forming a member engageble with the slide member on an engaging member while furthermore providing a spring member pressure contactable with a bottom board. CONSTITUTION:A lock body 1 mainly comprises a bottom board 2, a casing secured thereto and a slide member 5 arranged in the casing 3 while being energized through a spring member 6 which is mounting a dial member 4 rotatably. A fixing hole 2a is formed at one end of the bottom board 2 while a notch 2b is formed in an engaging section 5a at the other end, and a pin 2c piecing through an elongated guide hole 5c made at a fitting section 5b is projected from the upper face at a position close to the center. A containing section 5f such as a click spring is formed at the tip of the slide member 5 and an operational knob section 5d and a protrusion click 5a are projected from the rear end. By such arrangement, the lock body 1 can be locked or unlocked easily.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a locking device, and more particularly to a locking device suitable for a slider lock of a slide fastener or a chain lock used to prevent theft of a bicycle.

"Prior Art" The present inventor previously proposed a slider lock for a slide fastener as an example of this type of locking device. This slider lock is a slider lock of a slide fastener that can lock and unlock two sliders by overlapping them, and the slider on one side is attached with a spring member in a direction that always engages with the slider on the other side. It is characterized by incorporating a biased slide member or latch and a dial member rotatably attached to the slide member or latch and enabling and disabling movement of the latch by rotational operation. Jitsugan Showa 62-181
(See No. 1).

[Problems to be Solved by the Present Invention] In the locking device proposed earlier, when a slider on one side located above and a slider on the other side located below are connected, the locking hole of the former slider is connected to the locking hole of the latter slider. At the same time as the engaging protrusion formed on the upper surface of one end of the slider is fitted, the two are simply overlapped and locked, resulting in the following problems.

When removing the lower slider as an engaging member from the upper slider as the lock body, the lower slider may not come out easily because the former's locking hole and the latter's engaging protrusion are in sliding contact. be.

■When the sliders are overlapped, both are still temporarily locked, so depending on the engagement between the retaining protrusion of the lower slider and the engaging part of the latch inside the lock body, the lower slider may be locked in the upper position. There is a risk of it coming off the slider.

The present invention has been made in view of the problems of the prior art, and its purpose is to easily engage and disengage the lock body on one side and the engagement member on the other side, and to save both. To provide a locking device in which the engaging member on the other side does not easily come off from the lock body on the one side even when the locking members are stacked one on top of the other and the locking member on the other side is easily engaged or fitted together. That is.

[Means for Solving the Problems] In order to achieve the above object, the locking device of the present invention includes a lock body on one side and a lock body on the other side that is locked to the lock body so as to face the bottom plate of the lock body. The lock body includes a slide member for rotatably mounting the dial member, and the engagement member includes an engaged portion that engages with the engagement portion of the slide member. The lock is characterized by a spring member that presses into contact with the bottom plate of the lock body.

Further, the locking device of the present invention includes a lock main body on one side and an engaging member on the other side that is locked to the lock main body so as to face the bottom plate of the lock main body, and the lock main body has a dial member. A sliding member to be rotatably mounted is provided inside, and a fitting part is formed in the casing of the lock body, while the engaging member has a projecting wall having an engaging receiving part that fits into the fitting part. It is characterized by the fact that it has been formed.

"Example" Examples will be described with reference to the drawings.

In the embodiments shown in FIGS. 1 to 10, X is a locking device generally called a combination lock, and this embodiment shows a slider lock that can lock and unlock two sliders by overlapping them. There is. To explain in more detail, 1 is the lock body on one side.

This lock body 1 corresponds to the first or upper slider, and is attached to one slide piece that rotates the engagement teeth of a slide fastener (not shown). The lock body 1 mainly includes a bottom plate 2, a casing 3 which is fixed to the bottom plate 2 by caulking, and a dial member 4 rotatably attached to the casing 3 while being biased in one direction by a spring member 6. and a slide member 5.

The bottom plate 2 is formed into a long plate shape, and has a mounting hole 2a for attaching the slide piece described above formed at one end, and an engaging portion 5a of the slide member 5 at the other end. A notched groove 2b is formed to guide the. Further, on the upper surface of a portion near the center of the bottom plate 2, a screw pin 2C is provided to protrude through a kite elongated hole 5C formed in the fitting portion 5b of the slide member 5.

Next, the casing 3 is formed into a long box shape, and a window 3a for viewing the characters on the dial member 4 is formed at one end of the earthen wall, and a rear end of the slide member 5 is formed at the other end. A large-diameter rectangular guide hole 3b from which an operating knob 5d protrudes is formed. Further, cutout portions 3C13C are formed on both side walls of the casing 3, so that the outer peripheral portion of the dial member 4 protrudes somewhat.

Next, as described above, the slide member 5 has a shaft 5e protruding from the fitting portion 5b into which the dial member 4 is loosely fitted, and a storage portion 5 at the tip portion for storing a click ball and a click spring.
f is formed, and the rear end part has an operation knob 5d on the upper side, and an engaging part 5a that engages with an engaging member to be described later, and a protruding pawl in this embodiment on the lower side. 5a are provided so as to protrude from each other. Although not particularly shown in the drawings, a rotor that is rotated directly or indirectly by the dial member 4 is pivotally mounted in the fitting portion 5b of the slide member 5. Note that the dial member 4 and the rotor are each formed with a notch that receives the push pin of the bottom plate 2 when the lock is unlocked and allows the slide member 5 to move with the dial member attached.

Reference numeral 7 denotes an engagement member on the other side that is locked to the lock body 1 so as to face the bottom plate 2 of the lock body 1. This engaging member 7 corresponds to two surfaces or a slider located below. The engagement member 7 is formed into a long plate shape as a whole, and is attached to the bottom plate 2 of the lock body.
The distal end of the horizontal opposing wall 7a facing the slider 7a extends slightly obliquely downward, and the distal end inclined portion 7b is formed with an attachment hole 7C for attaching the engaging member 7 to the other slider piece.

Further, a slightly larger rectangular notch 7d is formed on the rear end side of the opposing wall 7a of the engaging member 7, and this rectangular notch 7d
protrudes upward from the center of the opposing wall 7a in a frame shape, and is forcibly engaged with the engaging claw 5a of the slide member 5 when the lock body 1 is pushed into the engaging member 7. An engaged portion 7e that slides and engages is formed. 8
is a U-shaped projecting wall with an upper edge formed on the rear end side of the opposing wall 7a of the engaging member 7, and the opposing W! A small notch 8a is provided on the top surface of the spring 7a for guiding the engaging protrusion 9a of the plate spring 9, which is marked with a mounting number.

The leaf spring 9 is formed in a loop shape, and one end thereof is fixedly fitted into a fitting groove formed on the upper surface of the opposing wall 7a, and the other end having the engaging protrusion 9a is fitted into the fitting groove formed on the upper surface of the opposing wall 7a. 7
It always rises above the top surface of a.

In the above structure, when the lock main body 1 is superimposed on the engaging member 7 as shown in FIG. It comes into contact with the outer wall surface of the portion 7e. When both 1.7 are pressed with fingers, the engaging claw 5a of the sliding member 5 comes into contact with the engaged portion 7e of the engaging member 7, and at the same time, the sliding member 5 resists the spring force of the spring member 6. fall back. Then, as shown in FIG. 8, when the engaging claw 5a engages with the engaged portion 7e, the slide member 5 is immediately returned to its original position by the spring force of the spring member 6.

On the other hand, when removing the lock body 1 from the engagement member 7, as shown in FIG.
When the slide member is pulled in the direction of the arrow against the spring force of the spring member 6, the engagement claw 5a of the slide member 5 is disengaged from the engaged portion 7e of the engagement member 7. At this time, the lock body 1 is pushed up by the plate spring 9 of the engagement member 7, as shown in FIG. 10, and is detached from the engagement member 7 in a floating position.

In the embodiment shown in FIGS. 11 to 21, Y
is a slider lock of a slide fastener 2 that can lock and unlock two sliders 10 and 11 by overlapping them; the slider on one side, and the lock body 10 located on the upper side when referring to Fig. 12; consists of a slide piece joint 12 on which the engagement teeth slide, and a flat case-shaped pull lock main body 14 that is rotatably attached to this joint 12 and has a dial-type locking/unlocking mechanism 13 inside. has been done. On the other hand, the slider or engagement member 11 on the other side located below the lock body 10 is rotatably attached to the slide piece 15 that also slides on the interlocking teeth and is attached to the rear end. As shown in FIGS. 18 to 21, an engagement receiving portion 17.17a that fits into a fitting groove 16.16a as an example of a fitting portion formed on both side walls of the rear end portion of the pull lock body 14 is provided. It is composed of a tabular pull piece 18 having a tabular handle piece 18. As shown in FIG. 20, the engagement receiving portion 17.17a is formed horizontally on the upper end of the projecting wall or arm so as to face from the flat plate portion 19, and is formed horizontally on the upper end of the arm.
As shown in FIG. 8, one of the engagement receiving portions 11 is formed with a notch 20 that engages with an engagement portion 22a of a latch plate 22, which will be described later.

The locking/unlocking mechanism 13 is a latch spring 2 such as a coil spring.
1, the latch plate 22 is always biased in one direction so that the engaging portion 22a protrudes into the fitting groove 16 of the pull lock body 14, and the recess 23 of the pull lock body 14 is spaced apart from the latch plate 22.
The slide member 2 is rotatably pivoted on the handle and is provided on the inner wall side of the bottom plate 24 of the handle lock body 14 by rotating the handle.
A dial member 26 that enables and disables the movement of 5 is incorporated.

As the dial member 26, two dial plates are used in this embodiment. First, the -th knob dial plate 27 is formed in a cap shape as shown in FIGS. 14 and 15, and dial letters 27C are provided on the upper wall surface of the upper surface 27b having a small center hole 27a. , top surface 27
A projecting wall-like peripheral wall 27d is formed on the lower wall surface of b, and has a notch 29, through which the pick pin 28 protruding from the upper surface of the slide member 25 can pass, on a concentric circle of the central small hole 27a. A circumferential body portion 27f, which is taller than the circumferential wall 27d, is formed on the outside of the circumferential wall 27e via an annular groove 27e. A plurality of small recesses are formed at predetermined intervals on the outer circumferential wall of the circumferential body portion to evoke a click feeling, and engaging pieces 30 are protruded from appropriate locations on the inner circumferential wall of the circumferential wall 27d. As shown in FIG. 12, this -th knob dial plate 27 is rotatably fitted onto a protruding shaft 31 that protrudes within the recess 23 of the pull lock body 14.

Next, the second dial plate 32 is formed into a disk shape, has a wall thickness such that it fits into the circumferential body portion 27f of the first knob dial plate 27, and has a diameter dimension similar to that of the dial as shown in FIG. It is approximately the same as the diameter of the plate 27 up to the peripheral wall 27d. A shaft hole into which the protruding shaft 31 is loosely fitted is formed in the center of the dial plate 32, and an engaging piece 30 of the dial plate 27 described above is formed at an appropriate location on the upper wall surface. An engaging piece 33 to be engaged is provided in a protruding manner, and a notch 34 into which the screw pin 28 of the slide member 25 can be inserted is formed from the outer peripheral wall of the engaging piece 33 toward the shaft hole.

The slide member 25 has a screw pin 28 at an appropriate location on the upper surface thereof, which can fit into the notch 29.
A long hole 35 is formed in the wide part of the guide groove through which the protruding shaft 31 of the pull lock body passes, and a latch plate provided integrally with the pull lock body 14 is formed in the rear end. The support shaft 37 and the drive shaft 38 protruding from the latch plate 22
1-shaped notches 39 are formed into which the and are respectively inserted.

The latch plate 22 is provided on the upper surface of the rear end of the slide member 25 in a state where it is pivotally supported on the above-mentioned support shaft 31 on the rear end side of the pull lock body, and as shown in FIG.
It is always urged in the direction of the engagement groove 16 of the pull lock body. At the bottom thereof, there is a notch 2 of the aforementioned pull piece 18.
An engaging portion 22a that enters into the locking portion 17 and engages with the retaining receiving portion 17 is formed, a vertical elongated hole 22b is formed in the center, and a slide member 25 is formed on the opposite side of the engaging portion 22a.
A drive shaft 38 is provided to protrude and come into contact with the notch surface of the notch 39 .

In the above structure, when overlapping the lock body 10 and the engaging member 11 and locking them together, first, the engaging member 11 is engaged with the fitting groove 16.16a of the lock body 10. Receiving part 1
7.17a are fitted together, and the engaging member 11 is inserted in the direction of the arrow shown in FIG. 21, that is, from the rear end side of the lock body 10.
Push in. Then, the latch plate 22
The lock body 1 slides in sliding contact with the latch spring 21 and is guided by the support shaft 37 and the main elongated hole 22b against the spring force of the latch spring 21.
0, and eventually the engaging portion 22a of the latch plate 22 engages with the notch 20 of the engaging member 11. On the other hand, lock body 1
When removing the engaging member 11 from the lock body 10, the latch plate 22 rotates about the support shaft 3T while resisting the spring force of the latch spring 21.
The engagement member 11 is disengaged from the fitting groove 16.16a of the lock body.

"Effects of the Present Invention" As is clear from the above description, the present invention has the following effects.

(1) The lock main body on one side and the engagement member on the other side engage with each other with a single touch. That is, in the embodiment of claim 1, the engaging portion of the slide member and the engaged portion of the engaging member are engaged by simply overlapping them and pressing them with a finger as shown in FIG. do. Further, in the embodiment of claim 2, when the lock body is grasped with fingers and the engagement member is pushed in from the rear end side of the lock body, the latch plate engages with the engagement receiving portion of the engagement member.

(2) The engagement between the lock body and the engagement member can be easily released. That is, in the embodiment of claim 1, since the opposite wall of the engagement member is provided with a leaf spring that comes into pressure contact with the rear end of the lock body, it is easy to slide the slide member by placing your finger on the operation knob. Then, the lock body lifts up from the engaging member and comes off.

Further, in the embodiment of claim 2, it is sufficient to simply handle the engaging member from the lock body.

(3) In the embodiment of claim 2, when the lock main body and the engaging member are overlapped, the two do not easily separate even in a temporarily locked state.

(4) By simply rotating the dial member, the slide member can be moved and disabled, and the lock body can be easily locked and unlocked.

[Brief explanation of the drawing]

1 to 10 are explanatory diagrams showing an embodiment according to claim 1, and FIGS. 11 to 21 are explanatory diagrams showing an embodiment according to claim 2. X, Y...Lock device, 1.10...Lock body, 2.2
4... Bottom plate, 4.26... Dial member, 5.
25...Sliding member, 5a...Engagement part, 5d...Operation knob part, 7.1
DESCRIPTION OF SYMBOLS 1... Engagement member, 7a... Opposing wall, 8... Projection wall,
9...Plate spring, 16.16a...Fitting part,
17.17a... Engagement receiving part, 22... Latch plate,
37...Spindle. Figure 2 Figure 16 Figure tS Figure 19

Claims (1)

[Claims] 1) Consists of a lock body on one side and an engaging member on the other side that is locked to the lock body so as to face the bottom plate of the lock body, and the lock body has a dial member. A slide member that is rotatably mounted is installed inside, and the engaging member is provided with an engaged part that engages with the engaging part of the slide member, and a spring member that comes into pressure contact with the bottom plate of the lock body. A locking device characterized by: 2) Consisting of a lock body on one side and an engaging member on the other side that is locked to the lock body so as to face the bottom plate of the lock body, and a dial member is rotatably attached to the lock body. A sliding member is installed inside the lock body, and a fitting portion is formed in the casing of the lock body, while a projecting wall having an engagement receiving portion that fits into the fitting portion is formed in the engaging member. locking device.