JP2855441B2 - Trunk lock - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trunk lock, and more particularly to a trunk lock provided with a card lock which is locked using a card.

[Conventional technology]

In conventional trunk locks and bag locks, a pair of left and right lock bodies are separately locked, and a so-called card lock of a type in which a card is inserted also employs a calculation formula, and when the calculation formula is known to others, it corresponds to a double key. The card can be duplicated, which is not preferable for crime prevention.

[Problems to be solved by the invention]

An object of the present invention is to improve the conventional trunk lock, lock the pair of left and right lock bodies simultaneously, and release the card lock lock only by inserting the card and rotating it twice. It is an object of the present invention to provide a card lock which can be locked and whose duplication is difficult and the operation is reliably performed.

[Means for solving the problem]

In order to solve the above-mentioned problems, the present invention has the following two items as requirements for establishing the invention configuration.

1. A pin tumbler container is provided on the board fixed to the trunk body, and a pair of lock plate operating cams for locking and unlocking the trunk lock provided on the left and right sides of the trunk body are slidably mounted on the board. A camshaft having a card insertion gap formed thereon is rotatably provided on the pin tumbler housing, and the pin tumbler housing and the camshaft can be rotated by the card inserted into the card insertion gap. A plurality of guide holes for a locking pin tumbler with a spring and an operation pin tumbler are respectively opened, and the operation cam grooves of the both lock plate operation cams are formed on a peripheral surface of a cam shaft.

2. The trunk comprises left and right trunk lock bodies fixed to the trunk main body side, a lock lock body attached between the two trunk lock bodies, and left and right trunk lock locking plates fixed to the trunk lid side. The lock body is pivotally operated by the locking plate, and includes a hook on which a reversing spring is engaged to engage with the locking plate, and an operation lever for releasing the hook locked on the locking plate. Is connected to a release plate that turns the hook in the opposite direction against the reversing spring, the lock lock main body is provided with a pin tumbler container on a substrate fixed to the trunk main body, and the operation lever of the trunk lock is A lock plate operating cam for locking and unlocking is slidably mounted on the substrate, and a cam shaft having a card insertion gap formed on a pin tumbler container is rotatably provided, and a pin tumbler is provided. The container and the camshaft are each provided with a plurality of locking pin tumblers and operation pin tumblers that allow the camshaft to be rotated by a card inserted into the card insertion gap, and a plurality of receiving holes for the pressing springs, and the lock plate operating cam is provided. A trunk lock with a card lock formed by forming the operation cam groove on the peripheral surface of the camshaft.

[Action]

When the open lid is closed, the locking plate (2) enters the space (5) from the insertion opening (4) of the trunk lock body (1) fixed to the trunk main body side, and the hook (6) is connected to the pivot (8). ), The fulcrum spring (10) is displaced from the state shown in FIG. 5 to the position shown in FIG. 3, and the upper end of the hook (6) is quickly engaged with the locking plate (2) to engage the trunk. The lock is locked. At this time, the tip of the hook (6) is stopped by the safety cam (7). (See FIG. 3) Then, insert the card (64) into the insertion gap (65) at the position shown in FIG. 10 and lower it by 90 ° as shown in FIG.
3) causes cam (53) to move forward and lock plate (34)
The lock hook (32) at the end of the trunk lock enters the neck (31a) of the engagement piece (31), and the trunk lock is locked in a locked state. After a while, pull out the card (64). At the time of unlocking, the card (64) is inserted into the camshaft insertion gap (65) at the position shown in FIG. 8, and is raised up to the position shown in FIG. Thus the cam (53) retreats,
Since the operating lever (19) and the undulating member (27) are free,
First, press the undulating member (27) and pull the operating lever (19) to the position shown in FIG. 4, and the notch (17) of the release plate (16)
The pusher (14) is pushed by the side edge (17a), so that the hook (6) is released from the locking plate (2) and the lid can be opened.

〔Example〕

The trunk lock according to the present invention includes a locking mechanism for fixing a lid-side locking plate to a lock main body attached to a trunk main body, and a lock lock using a card for locking the lock main body in a closed state.

First, the configuration of the trunk lock main body for fixing the lid side locking plate will be described. In FIGS. 1 to 5, (1) shows a pair of left and right trunk lock main bodies attached to the trunk main body side.
(2) is a locking plate fixed to the lid side. The lock body (1) is mounted on left and right elongated substrates (3) which are directly fixed to the trunk main body. The card lock (50) is provided between a pair of left and right trunk lock bodies (1) (1).

The trunk lock body (1) has a hook (6) in which the locking plate (2) is engaged with a space (5) below the insertion opening (4) into which the locking plate (2) enters, and the hook (6) is inadvertent. A pivot cam (8) and (9) pivotally attach a safety cam (7) for preventing rotation of the shaft, and attach one end of a reversing spring (10) to the hook (6) and the other end near the insertion port (4). Hook on the mounting piece (11) suspended from
The safety cam (7) has one end of the coil spring (12) hooked on the hook (13), and the hook (6) and the safety cam (7) are attached.
The protrusions (14) and (15) at the upper end of the release plate (16) are located in the notches (17) and (18) of the release plate (16) slidably housed in the space (5), and the release plate (16) is moved. The pushers (14) and (15) are pushed by the side edges (17a) and (18a) (see FIGS. 2 and 5) of the notches (17) and (18), and the hook (6) and the safety cam (7) are moved. Turn to unlock. An operation lever (19) for moving the release plate (16) is provided adjacent to the trunk lock body (1), and the operation lever (19) and one end of the release plate (16) are connected by a pivot pin (20). The intermediate part of the operating lever (19) is connected to the intermediate piece (22) by a pin (21), and the other end of the intermediate piece (22) is connected to the mounting piece (23) standing on the substrate (3). (24), the operation lever (19) is opened with the pivot pin (20) as a fulcrum as shown in FIG. And pin (21)
One end of the coil spring wire (25) loosely inserted into the board (3),
The other end is hooked on a horizontal piece (26) integral with the mediating piece (22) so that the operation lever (19) is stabilized in the closed state. Further, the up-and-down member (27) in contact with the open end (19a) of the operation lever (19) is pivotally supported by a pin (29) on a receiving piece (28) standing upright from the substrate (3), and is wound around the pin (29). Coil spring (3
One end of (0) is brought into contact with the undulating member (27) and the other end is brought into contact with the substrate (3), so that the undulating member (27) is always in contact with the open end (19a) of the operating lever (19) as shown in FIG. It is in contact with it and the operation of the control lever (19) cannot be operated. Also, as shown in FIG. 3, the neck (31a) of the engaging piece (31) protruding from the inner surface of the operating lever (19) to lock the hook (6) in the engaged state with the locking plate (2). Lock hook (32) that engages with
And a lock piece (33) for locking the undulating member (27),
A lock hook (32) protrudes from a lock plate (34) slidably provided in the trunk lock body (1), and is operated by a card lock lock (50) described later.
And the lock piece (33) are moved, and the lock hook (32) is engaged with the neck (31a) provided on the engagement piece (31) of the operation lever (19), and the lock piece (33) is moved to the undulating member (27). 2), the operation lever (19) and the undulating member (27) are locked so as not to be operated as shown in FIG.

Next, referring to FIGS. 6 to 10, the structure of the card lock (50) of the present invention is illuminated.

In the drawing, reference numeral (51) denotes a board of a card lock (50) connected between the left and right trunk lock bodies (1) and (1). The board is provided in a small hole (35) provided at an end of the lock plate (34). The cams (53) and (53) having the protrusions (52) connected to both ends of the lock plate (34) are mounted, and a cylinder lock type pin tumbler container (54) is provided between the cams (53). A locking pin tumbler (57) with a coil spring (56) acting therein is housed in a guide hole (55) arranged in a row, and fitted into the upper surface of the pitbuller housing (54) and the arc groove (58). , Cover (59)
Guide holes (61) (61) corresponding to the guide holes (55) and (55) are arranged in a row on the circular camshaft (60) covered with
A cam projection (62) formed on the cam (53) (53);
A cam groove (63) (63) for entering (62) is provided on the peripheral surface,
Furthermore, an insertion gap (65) for the card (64) is formed at the upper end of the guide hole (61) (61) of the camshaft (60) in a direction orthogonal to the guide hole (61), and guided by the action of the coil spring (56). Hole (61)
The pointed end (66a) (66a) of the operation pin tumbler (66) (66) housed in the slot penetrates the guide hole (61) (61) and enters the card insertion gap (65) to receive the groove on the upper wall surface. (67) (6
7) is contacted. And pressing projections (68) of different heights provided on the card (64) when the card is inserted.
(68) and the engaging hole (69) are in contact with or enter the pointed end (66a) of the operating pin tumbler (66) in which the locking pin tumblers (57) are arranged as shown in FIG.
The upper end of (57) is aligned, and the camshaft (60) is in a free state.

In the present invention, simply inserting the card (64) into the insertion gap (65) does not unlock the trunk lock. That is, the cam (53) (53) must be slid to pull the lock plate (34). Therefore, after inserting the card (64) into the insertion gap (65) as shown in FIG.
Turn the card by hand until it stands upright as shown in Figure 10. Thus, cam (53) (5)
3) is pulled, the lock plate (34) is also pulled, and the lock hook (32) and the lock piece (33) move from the position of FIG. 2 to the position of FIG. The operation of 27) becomes possible. In the figure, reference numeral (70) denotes a ball for stabilizing the camshaft (60), which is accommodated by acting a spring (72) in a concave hole (71) formed in the pin tumbler accommodating body (54), and the camshaft (60). 6) is locked in the locked state shown in FIG. 6 and the locked state shown in FIG. (74) (74) supports the operation pin tumbler (66) when the card rotates as shown in Fig. 10, and the pointed end (66a) surely comes into contact with the pressing projection (68) and the engaging hole (69) and returns. Pin tumbler container (54) with bent part (74a) using leaf spring to prevent operation from being hindered
To the underside of.

〔The invention's effect〕

The present invention is configured as described above, and has the following effects.

When the lid of the trunk is closed, the hooks of the left and right trunk locks are rotated by the locking plate on the lid side and are automatically locked. Then, since the trunk lock is unlocked by pulling the operation lever, the opening and closing operation thereof is extremely simple and easy. The left and right trunk locks are securely locked in the locked state by the central card lock, and the card lock is accidentally opened because it is not enough to simply insert the card into the insertion gap and it is necessary to rotate it after insertion. There is no risk of being locked, and the performance of this type of lock lock using a card is significantly improved.

[Brief description of the drawings]

The drawings show an embodiment of a trunk lock according to the present invention. FIG. 1 is a front view, FIG. 2 is a longitudinal sectional view of a part of a locked state, and FIG. 3 is a part of a locked state. , FIG. 4 is a longitudinal sectional view of a part of the unlocked state, FIG. 5 is a longitudinal sectional front view of essential parts of the same, and FIG. Indicates the status. FIG. 7 is a longitudinal sectional side view showing a state where a card is inserted, FIG. 8 is a sectional view taken along the line AA of FIG. 7, FIG. FIG. 10 is a sectional view taken along line BB of FIG. (1) ... trunk lock body, (2) ... locking plate, (3)
... board, (4) ... insertion slot, (5) ... space, (6)
... hook, (10) ... reversing spring, (14) ... prong,
(16) ... release plate, (17) (18) ... notch,
(19) Operation lever (27) Undulating member (32)
... Lock hook, (33) ... Lock piece, (50) ... Card lock lock, (51) ... Board, (53) ... Cam, (54) ...
Pin tumbler container, (56) ... Coil spring, (57)
…… Locked pin tumbler, (60) …… Cam shaft,
(64): Card, (65): Insertion gap, (66): Operation pin tumbler.

Claims (2)

(57) [Claims] A pin tumbler accommodating body is provided on a board fixed to a trunk main body, and a pair of lock plate operating cams for locking and unlocking trunk locks provided on left and right sides of the trunk main body are slidable on the board. And a rotatable camshaft having a card insertion gap formed on the pin tumbler housing. The camshaft is rotated by the card inserted into the card insertion gap between the pin tumbler housing and the camshaft. A plurality of guide holes for a locking pin tumbler with a spring and an operation pin tumbler, and a trunk lock with a card lock which is provided with operation cam grooves of both lock plate operation cams on a peripheral surface of a cam shaft. . 2. A left and right trunk lock body fixed to the trunk main body side, a lock lock body attached between the two trunk lock bodies, and a left and right trunk lock plate fixed to the trunk lid side. The trunk lock body is provided with a hook which is rotated by the locking plate and has a reversing spring acting on the locking plate, and an operating lever for releasing the hook locked on the locking plate. The operating lever is connected to a release plate that turns the hook in the opposite direction against the reversing spring, the lock lock body is provided with a pin tumbler container on a substrate fixed to the trunk main body, and A lock plate operation cam for locking and unlocking the operation lever is slidably mounted on the substrate, and a cam shaft having a card insertion gap formed on the pin tumbler housing is rotatably provided. The tumbler container and the camshaft each have a plurality of locking pin tumblers and operation pin tumblers that allow the camshaft to be rotated by a card inserted into the card insertion gap, and a plurality of receiving holes for the pressing springs thereof. A trunk lock with a card lock formed by forming an operation cam groove of an operation cam on a peripheral surface of a cam shaft.