JP2009142548A - Locking device for bag - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a locking device for bags which is suited for being adopted as a TSA (Transportation Security Administration) key, allows locking and unlocking to be easily performed with either one of keys, and facilitates an inspection of inside the bags. <P>SOLUTION: This locking device 2 includes: a first slider 6 (a first key operation part) disposed at one side 5A of a bag 1 to be separably opened/closed, and capable of locking or unlocking between one side 5A and the other side 5B of the bag 1 in a closed state where one side 5A and the other side 5B are joined together, by inserting a first key 9 into a key hole 10 and turning the key 9 between respective open/close positions; and a second slider (a second key operation part) 7 disposed at the other side 5B of the separably opened/closed bag 1, and capable of locking or unlocking between one side 5A and the other side 5B by inserting a second key 11 into a key hole 12 and turning the key 11 between the respective open/close positions. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

The present invention includes a first key operation that allows unlocking and locking between one side and the other side of a bag such as a suitcase for travel and an attache case by inserting different keys into different keyholes and rotating them. The present invention relates to a bag locking device provided with a part and a second key operation part.

There are various types of bag locking devices such as travel suitcases and attache cases, but many have a keyhole on one side that can be opened and closed. There is a key operation part, and by inserting the key into the key hole and rotating the key between the open and close positions, unlocking the bags in the closed state where one side and the other side are joined Most of the structures were locked.

That is, such a type of locking device is inserted into the keyhole and rotated, so that it is disposed on the other side of the closed bag in which one side and the other side are joined. An engagement body that is provided on one side of the combined body and that can be engaged and disengaged by a rotation operation between the opening and closing positions of the key is disposed.
JP 2004-3000889 A

By the way, in the US and other countries after the terrorist attacks in the US, when the US Federal Aviation Ministry of Transport and Security (hereinafter referred to simply as “TSA”) conducts baggage inspection at the airport for explosives inspection, bags are basically unlocked. The user is requested to deposit at This means that if you leave your bags in a locked state, the locking device may be cut or destroyed, and the baggage may be inspected. Recently, a TSA lock has been installed to prevent this from happening. Bags such as suitcases and attache cases are on sale.

A TSA lock is a type of locking device that allows TSA officers to unlock the bags they have deposited at airports such as the United States using a special tool. It is assumed to be of the type with According to the TSA lock, the bags held by the TSA officer can be unlocked using a special tool without breaking the locking device, the contents can be inspected, and after the inspection it can be locked again. In addition to maintaining privacy compared to the case of depositing luggage, it is possible to prevent theft of luggage at the airport.

INDUSTRIAL APPLICABILITY The present invention is suitable for use in a TSA lock, and can be easily locked / unlocked with any one of the keys, so that the contents of the bags can be easily inspected. The purpose is to provide.

In order to achieve the above object, the invention of claim 1 is arranged on one side of a bag that can be opened and closed so that it can be opened and closed, and a key is inserted into the keyhole, and the key is rotated between the open and closed positions. A first key operation unit that allows unlocking / locking between one side and the other side of the closed bag in which the one side and the other side are joined by dynamic operation, and is opened / closed so as to be able to contact / release On the other side of the bag, facing the first key operation part, a key different from the key inserted into the key hole of the first key operation part is inserted into the key hole, and the key is opened and closed. A second key operation unit that enables unlocking / locking between one side of the bag and the other side in a closed state in which the one side and the other side are joined by rotating between the positions. A locking device for a bag, wherein the first key operation unit includes an engagement body, and the second key operation unit includes an engaged body. The engagement body and the engaged body are engaged with each other in a closed state in which one side and the other side of the bags are joined, and in an open state in which one side and the other side of the bags are separated from each other. In the first key operation portion, a key corresponding to the key hole is inserted into the first key operation portion, and the keys are joined to each other by rotating the key to the closed position, and the bag is in the closed state. One side and the other side of the bag are locked to each other by locking the engagement state of the engagement body with respect to the engaged body and rotating the key to the open position, and one side of the bag in the closed state Engagement body locking means for releasing the engagement state of the engagement body with respect to the engaged body between the first side and the other side and separating the one side and the other side of the bags to be joined is provided. Insert the key corresponding to the key hole into the key operation part, and rotate the key to the closed position. By locking the engaged state of the engaged body with respect to the engaging body between one side and the other side of the bags that are joined to each other and closed, the key is rotated to the open position. The locked state of the engaged body with respect to the engagement body between the one side and the other side of the bags that are joined to each other and closed is released, and the one side and the other side of the bags to be joined are separated from each other. The locking device of the bag is provided with the to-be-engaged body locking means.

According to the invention of claim 2, each of the engaging body and the engaged body is engaged in a state where one side and the other side of the bag are joined and closed, and one side and the other side of the bag are mutually connected. The bag locking device according to claim 1, wherein the bag is a hook-like member that is separated from each other and is released in the opened state.

According to a third aspect of the present invention, the base member is pivotally supported by the first key operation portion or the second key operation portion, and the distal end side is centered on the pivot support portion. At the closed position where one side and the other side of the bags are joined to each other, the tip parts collide with each other, and the rotation direction is reversed so that they can be engaged with each other. Each of the swinging pieces is in an unlocked state at the front end of each swinging piece, and the one side and the other side are separated from each other. In the open state of the bag to be closed, at least one of the first key operation unit or the second key operation unit is in the unlocked state, and the bag is closed between one side and the other side. In the state, the front and rear end parts that are separated and opposed face each other and are equipped with hooking claws that are hooked to each other, Each of the engaging body locking means and the engaged body locking means is in a closed state of the bags joined between the one side and the other side, and the hooking claws at the tip of each swing piece abut each other, In the engaged state, the swinging of the corresponding swinging piece is restricted, and the engagement state of the engaging body with the engaged body is locked, or the engaged state of the engaged body with respect to the engaging body is locked. The bag locking device according to claim 2 is provided.

According to a fourth aspect of the present invention, there is provided two or more hook-shaped members as engaging bodies or engaged bodies in the first key operation section and the second key operation section. It is a device.

Further, according to the fifth aspect of the present invention, the engaging body locking means and the engaged body locking means are each in a closed state of the bags that are joined between the one side and the other side, and the engaging claws at the tip of each swinging piece. In the state where they are engaged with each other and engaged, the key corresponding to the corresponding key hole is inserted, and the key is rotated to the closed position to restrict the swinging of the corresponding swinging piece and to be fixed. When the key is turned to the open position, the corresponding swinging piece is unlocked, and the corresponding swinging piece can be swung. 5. The bag locking device according to claim 3 or 4, wherein the lock cylinder is configured such that one side and the other side can be separated from each other.

According to a sixth aspect of the present invention, either one of a key inserted into the key hole of the first key operation unit and a key inserted into the key hole of the second key operation unit is used as the US Federal Aviation Ministry of Transportation. The bag locking device according to any one of claims 1 to 5, wherein the bag is a master key that is notified to the security bureau and authorized, and the other key is a user key used by the user.

According to the present invention, in a bag such as a suitcase or an attache case, a key inserted into the key hole of the first key operation unit and a key inserted into the key hole of the second key operation unit are different from each other. Since one of the keys is inserted into the corresponding keyhole, and the key is rotated between the open and closed positions, the bag can be unlocked and locked between the other side, Any one key is used as a master key corresponding to the TSA lock, and the TSA officer can easily lock and unlock the key.

Another key is the user key that the user uses, and the user can respond by managing only one user key, so the troublesomeness that occurred when leaving luggage when traveling mainly in the United States Will be released from.

FIG. 1 shows a travel bag 1 as a bag, which is mounted with a locking device 2 according to an embodiment of the present invention. The bag 1 has a substantially flat rectangular parallelepiped shape as a whole, and the user of the bag 1 can carry the belt 3 on the shoulder or grip the handle 4 for carrying.

The bag 1 includes a fastener 5 along the circumferential direction, and the fastener 5 includes a first slider 6 as a first key operation portion and a second slider 7 as a second key operation portion. Each slider 6, 7 is provided with a pull handle 8, and the engagement of the fastener 5 is released by pulling the pull handle 8 in a direction separating from each other (direction of arrow C in FIG. 3). The inside of the bag 1 can be opened between the six and seven. Conversely, the fastener 5 can be closed by sliding the puller 8 in the direction in which the sliders 6 and 7 approach each other (in the direction of arrow B in FIG. 2).

That is, the bag 1 slides the sliders 6 and 7, opens a portion between the sliders 6 and 7 of the fastener 5 (A portion in FIG. 3), and releases the engagement of the fastener 5 portion. It is possible to store and take out luggage and the like from the inside to the inside. On the contrary, by operating the sliders 6 and 7, closing the fastener 5 between the sliders 6 and 7 and engaging the fastener 5 portion, it becomes possible to accommodate luggage or the like inside.

As described above, the bag 1 is disposed in the fastener 5 portion so as to face each other, and the first slider 6 and the second slider 7 allow the one side 5A and the other side 5B of the fastener 5 to contact and separate from each other. The locking device 2 according to the embodiment is disposed on the portion of the first slider 6 disposed on one side 5A of the fastener 5 and the portion of the second slider 7 disposed on the other side 5B of the fastener 5. It becomes.

That is, the locking device 2 joins the first slide 6 and the second slider 7 slid in the proximity direction (direction of FIG. 2B) to each other, and the fastener 5 between the sliders 6 and 7 is closed. This is for maintaining the coupled state of the sliders 6 and 7, and enables unlocking / locking between the one side 5A and the other side 5B of the fastener 5 in this state.

A closed state in which one side 5A and the other side 5B of the fastener 5 are joined in the direction of the arrow B to the first slider 6 serving as a first key operation portion that is engaged with and disposed on the one side 5A of the fastener 5. A key hole 10 for inserting the first key 9 is provided for unlocking and locking the bag 1 (see FIG. 2) between the one side 5A and the other side 5B. That is, the first key 9 is inserted into the keyhole 10 and can be rotated between opening and closing positions.

On the other hand, one side 5A and the other side 5B of the fastener 5 are joined in the direction of the arrow B to the second slider 7 as a second key operation portion that is engaged with and disposed on the other side 5B of the fastener 5. A keyhole 12 for inserting the second key 11 is provided for unlocking / locking the bag 1 in the closed state (see FIG. 2) between the one side 5A and the other side 5B. That is, the second key 11 is inserted into the keyhole 12 and can be rotated between opening and closing positions.

The first key 9 and the second key 11 are different from each other, the first key 9 is inserted into the keyhole 12 on the second slider 7 side and cannot be rotated, and the second key 11 is also a first key. It is assumed that it cannot be rotated by being inserted into the key hole 10 on the 1 slider 6 side.

The sliders 6 and 7 that are slid along the fastener 5 are constituted by members shown in FIG. 4. The first slider 6 is engaged with the left and right fastener elements constituting the fastener 5 at the bottom. The base 13 is provided with a second slide base 14 that meshes with the left and right fastener elements constituting the fastener 5 at the bottom of the second slider 7.

With respect to the first slide base 13, the upper case 15 can be attached from above with the handle 8 interposed therebetween, and the attachment of the upper case 15 to the first slide base 13 is stopped from above. This is done by inserting the screw 16 and screwing it.

The upper case 17 can be attached to the second slide base 14 from above with the handle 8 interposed therebetween, and the attachment of the upper case 17 to the second slide base 14 is stopped from below. This is done by inserting the screw 18 and screwing it in.

A U-shaped handle 8 interposed between the upper case 15 and the first slide base 13 thus mounted, and a U-shape interposed between the upper case 17 and the second slide base 14. Each of the pullers 8 is engaged with a groove portion 19 defined between the upper cases 15 and 17 and the corresponding slide bases 13 and 14 as shown in FIG. 2 or FIG. As described above, the sliders 6 and 7 can pull the portion of the pull handle 8 and slide on the fastener 5 in the proximity direction (direction of FIG. 2B) or the separation direction (direction of FIG. 3C).

Between the first slide base 13 and the upper case 15 to be mounted, as shown in FIG. 4, a pair of swinging pieces 20A and 20B are provided as engaging bodies (see FIG. 4). In the space 21 defined between the upper case 15 to be mounted and the first slide base 13, the swinging pieces 20 </ b> A and 20 </ b> B are directed toward the second slider 7 side from the first slider 6 and the space 21 is formed in the space 21. It arrange | positions in the state made to protrude from the formed closing part 21A (refer FIG. 3). Each of the swinging pieces 20A and 20B is pivotally supported by a support shaft 22 supported on the base 13 on the base end side in the longitudinal direction so that it can swing in the P1 direction (see FIG. 7). A hook-like claw 23 that protrudes like a bowl is provided, and a hook-like member is formed as a whole (see FIG. 6).

The pair of swinging pieces 20A and 20B as the engaging body is provided with a compression spring 24 interposed between the distal ends of the support shafts 22, and the engaging claws 23 side of the distal ends of the swinging pieces 20A and 20B are always outside. The swinging pieces 20A and 20B are biased so as to expand and face toward each other (see the PA direction in FIG. 8).

Between the first slide base 13 and the upper case 15 to be mounted, a generally cylindrical engagement body locking mechanism 25 is disposed on the proximal end side of the portion where the swing pieces 20A and 20B are disposed in the space 21. (See FIG. 4). The engagement body locking mechanism 25 has a bottom portion mounted on the proximal end side of the space 21, and is supported by an outer cylinder body 26, and is inserted into the outer cylinder body 26, and an upper portion is opened above the outer cylinder body 26. 26A and an inner cylindrical body 27 in which the portion of the keyhole 10 is exposed from the opening 15A of the upper case 15 (see FIGS. 4 and 5).

At the lower end portion of the inner cylindrical body 27, the first key 9 inserted into the keyhole 10 is rotated between opening and closing positions to be inserted into the inner cylindrical body 27 and rotated in the θ1 direction. A pin 28 attached to a rotating body (not shown) protrudes (see FIG. 5). Further, a lock cylinder 29 that is engaged with the pin 28 is disposed in the space 21 below the inner cylinder 27. The lock cylinder 29 is provided with a long hole 30 that can be engaged with the pin 28, and the engagement of the pin 28 and the long hole 30 allows the first key 9 inserted into the key hole 10 to be rotated between the open and closed positions. By performing the dynamic operation, the movement of the pin 28 rotating in the θ1 direction is followed, and the entire lock cylinder 29 can be slid in the X direction in the space 21.

The lock cylinder 29 slidable in the X direction is provided with a U-shaped engaging recess 31 on the base end side of each of the swinging pieces 20A and 20B. The engaging recess 31 engages the base end side of the pair of oscillating pieces 20A and 20B with respect to the support shaft 22 at the sliding position of the lock cylinder 29 shown in FIG. 6 on the side closer to the second slider 7, and FIG. In the state shown, the swing of each swing piece 20A, 20B that is swingable in the direction of the arrow P1 around the support shaft 22 is restricted, and the swing of the pair of swing pieces 20A, 20B as the engagement body is restricted. To lock. When the lock cylinder 29 is slid to the position on the retreating side with respect to the second slider 7 shown in FIGS. 7 and 8, the base end side with respect to the support shaft 22 of each of the swinging pieces 20 </ b> A and 20 </ b> B by the engaging recess 31. Will be released. As a result, the pair of swinging pieces 20A and 20B as the engaging body can be swung in the direction of the arrow P1 around the support shaft 22, and the swinging lock of the swinging pieces 20A and 20B is released. Become.

On the other hand, between the second slide base 14 to be mounted and the upper case 17, as shown in FIG. 4, there are provided a pair of swinging pieces 32A and 33B as an engaged body (see FIG. 4). ). The swinging pieces 32A and 32B are arranged in a state in which the tip end faces the first slider 6 in the space 33 defined between the upper case 17 to be mounted and the second slide base 14 ( (See FIG. 3). Each swing piece 32A, 33B is pivotally supported by a support shaft 34 supported by the base 14 on the base end side in the longitudinal direction, and can swing in the P2 direction (see FIG. 9). Engaging claws 35 projecting in a hook shape toward the inside are provided, so that a hook-shaped member is configured as a whole (see FIG. 6).

The pair of swinging pieces 32A and 32B as the engaged bodies are provided with a tension spring 36 interposed between them at the tip end side of the support shaft 34, and the engaging claws 35 at the tips of the swinging pieces 32A and 32B are always connected to each other. The swinging pieces 20A and 20B are urged in the clamping direction so as to face each other inward (see the PA direction in FIG. 8). In other words, the swinging pieces 32A and 32B are urged toward each other with the engaging claw 23 at the front end of each swinging piece 20A and 20B rotating in the opposite direction at the engaging claw 35 at the front end. As a result, when both the hooking claws 23 and 35 are brought into contact with each other as will be described later, the two hooks can be hooked.

Between the second slide base 14 to be mounted and the upper case 17, a generally cylindrical engaged body locking mechanism 37 is disposed on the proximal end side of the portion where the swing pieces 32 </ b> A and 33 </ b> B are disposed in the space 33. (See FIG. 4). The engaged body locking mechanism 37 has a bottom portion mounted on the proximal end side of the space 33 and is supported by an outer cylinder body 38 and the outer cylinder body 38, and the upper portion is located above the outer cylinder body 38. The inner cylinder 39 is formed by exposing the portion of the keyhole 12 from the opening 38A and the opening 17A of the upper case 17. (See FIGS. 4 and 5).

At the lower end portion of the inner cylinder 39, the second key 11 inserted into the keyhole 12 is rotated between opening and closing positions, thereby being inserted into the inner cylinder 39 and rotating in the θ2 direction. A pin 40 attached to a rotating body (not shown) is projected (see FIG. 5). Further, a lock cylinder 41 that is engaged with the pin 40 is disposed in a portion of the space 33 below the inner cylinder 39. The lock cylinder 41 is provided with a long hole 42 that can be engaged with the pin 40, and by engaging the pin 40 and the long hole 42, the second key 11 inserted into the key hole 12 is rotated between the open / close positions. By performing the dynamic operation, the movement of the pin 40 rotating in the θ2 direction is followed, and the entire lock cylinder 41 can be slid in the X direction in the space 33.

The lock cylinder 41 slidable in the X direction is provided with a convex engagement convex portion 43 on the base end side of each swing piece 32A, 32B. The engaging convex portion 43 is engaged between the proximal end sides of the pair of swinging pieces 32A and 32B with respect to the support shaft 34 at the sliding position on the side closer to the first slider 6 of the lock cylinder 41 shown in FIG. In this state, the swing of the swing pieces 32A and 32B that can swing in the direction of the arrow P2 around the support shaft 22 is restricted, and the pair of swing pieces 32A and 32B as the engaged bodies is restricted. The swing is locked. Further, in the state where the lock cylinder 41 is slid to the position on the retreating side with respect to the first slider 6 shown in FIGS. 9 and 10, the proximal end of the swinging pieces 32 </ b> A and 32 </ b> B with respect to the support shaft 34 by the engaging convex portion 43. Engagement between the sides is released. As a result, the pair of swinging pieces 32A, 32B, 32B as the engaged bodies can be swung around the support shaft 34 in the non-nipping direction of the arrow P2, and the swinging locks of the swinging pieces 32A, 32B can be locked. Will be released.

The locking device 2 including each of the pair of swinging pieces 20A and 20B as the engaging body having the above-described configuration and the pair of swinging pieces 32A and 32B as the engaged body is, for example, the key hole 12 of the second slider 7. The second key 11 inserted into the US is used as a TSA-compatible master key notified to the US Federal Aviation Ministry of Transport and Security Administration, while the first key 9 inserted into the keyhole 10 of the first slider 6 is the user key. The method of using the locking device 2 in this case for locking and unlocking will be described below.

When the second key 11 is a TSA-compatible master key, the second key 11 is not normally used and remains in the locked state. Insertion will be released. In this state, the pin 40 that can be rotated in the direction of the arrow θ2 in FIG. 5 is rotationally positioned at the position shown in FIGS. 6 to 8 and is engaged with the pin 40 at the portion of the long hole 42. 41 is slid and positioned at the slide position on the near side with respect to the first slider 6.

In this state, the engagement convex portion 43 of the lock cylinder 41 is engaged between the proximal end sides of the pair of swinging pieces 32A and 32B formed by biasing the distal end side in the clamping direction by the action of the tension spring 36. It becomes.

As a result, the swinging in the expanding direction is restricted at the distal ends of the pair of swinging pieces 32A and 32B, and as a result, the lock cylinder constituting the engaged body locking means together with the engaged body locking mechanism 37. 42 can lock the swinging of the swinging pieces 32A and 32B as the engaged bodies.

With respect to the locked state of the engaged bodies (swinging pieces 32A and 32B), each of the swinging pieces 20A and 20B as the engaging body inserts the first key 9 as the user key into the key hole 10 and rotates it to the open position. When the operation is performed, the unlocked state shown in FIG. 7 or FIG. 8 can be set. That is, in this state, the pin 28 that can be rotated in the direction of the arrow θ1 in FIG. 5 is rotationally positioned at the position shown in FIGS. 7 and 8, and is engaged with the pin 28 at the portion of the long hole 30. The lock cylinder 29 is slid and positioned at the slide position on the retracting side with respect to the second slider 7.

In this state, the engagement recess 31 of the lock cylinder 29 releases the proximal end side engagement of the swinging pieces 20A, 20B with respect to the support shaft 22, and thereby the swinging pieces 20A, 20B as the engaging bodies are supported by the support shaft 22. Can be swung in the direction of the arrow P1 (see FIG. 7), and as a result, the lock cylinder 29, which constitutes the engaging body locking means in combination with the engaging body locking mechanism 25, swings as the engaging body. The pieces 20A and 20B are unlocked.

In the unlocked state of the swinging pieces 20A and 20B, for example, as shown in FIG. 8, the first slider 6 and the first slider 6 are separated from the second slider 7 as shown in FIG. It is possible to bring the two sliders 7 into close contact with each other. That is, when the first slider 6 and the second slider 7 are joined in this state, the tips of the swinging pieces 20A and 20B formed to protrude from the first slider 6 to the second slider 7 side are joined as shown in FIG. The engaging claws 23 that are engaged in the space 33 in the second slider 7 and are urged outward at the tips of the swinging pieces 20A and 20B are projected (see the direction of arrow PA in FIG. 8). Therefore, they come into contact with the corresponding swinging pieces 32A and 32B on the second slider 7 side. At the time of the collision, the swinging pieces 32A and 32B are in the locked state and the swinging in the expanding direction is restricted as described above, whereas the swinging pieces 20A and 20B are in the unlocked state. In the state where the slider 6 and the second slider 7 are joined, the tips of the swinging pieces 20A and 20B swing inwardly about the support shaft 22, and as a result, the engaging claws at the tips of the swinging pieces 20A and 20B. 23 is engaged with the engaging claws 35 of the respective swinging pieces 32A, 32B facing each other, and the first slider 6 and the second slider 7 are engaged with each other.

When the first slider 6 is separated from the second slider 7, the handle 8 of each slider 6, 7 is pulled in the direction of arrow C (see FIG. 3), and the engaging claw 23 with respect to the engaging claw 35 is moved. The engagement can be released in the reverse direction, and the first slider 6 and the second slider 7 are separated from each other, and the engagement of the fastener 5 portion therebetween is released. As a result, in the fastener 5 in the bag 1, the portion A between the one side 5A and the other side 5B can be opened and the two sides can be separated (see A portion in FIG. 3). It is possible to store and take out luggage from the inside.

When the storage or removal of the baggage with respect to the bag 1 is completed and the user closes the fastener 5 and locks the locking device 2 to lock, the first puller 8 is first pulled in the direction of arrow B in FIG. 6 and the second slider 7 are joined as shown in FIG. In this state, the engaging claws 23 at the tips of the swinging pieces 20A and 20B are again engaged with the engaging claws 35 of the corresponding swinging pieces 32A and 32B as shown in FIG. 7, and the first slider 6 and the second slider 7 are engaged. Are engaged with each other.

In this engaged state, the first key 9 inserted into the key hole 10 is rotated from the open position to the closed position. Then, the pin 28 at the lower end of the engagement body locking mechanism 25 rotates in the θ1 direction (see FIG. 5) and is positioned from the position shown in FIG. 7 to the position shown in FIG. The lock cylinder 29 to be engaged is slid and positioned at the sliding position on the near side with respect to the second slider 7.

Then, as shown in FIG. 6, the engagement recess 31 of the lock cylinder 29 has a pair of swinging pieces 20A, 20B closed in a state where the distal end side is urged in the expanding direction by the action of the compression spring 24 and the proximal end side is narrowed. The base end portion of this will be engaged.

In this state, the swing of the tip of each swing piece 20A, 20B that can swing inward about the support shaft 22 is restricted, and as a result, the lock cylinder 29 as the engagement body locking means is engaged. It becomes possible to lock the swinging of the swinging pieces 20A and 20B as a combined body.

That is, in this state, the engaging claws 23 of the pair of swinging pieces 20A and 20B and the engaging claws 35 of the pair of swinging pieces 32A and 32B are engaged with each other, and the second slider 7 as the engaged body in the locked state. On the other hand, the first slider 6 as the engaging body is engaged, and the first key 9 in the closed position is removed from the key hole 10, so that the swinging pieces 20 </ b> A and 20 </ b> A as the engaged bodies are engaged. Locking of the engaged state with respect to the swinging pieces 32A and 32B is completed (see FIG. 6). In this state, the bag 1 is maintained in a closed state where the one side 5A and the other side 5B of the fastener 5 are joined, and is locked on the user side of the locking device 2. In this locked state, the user can leave the bag 1 with the airline as checked baggage for the aircraft.

Next, the case where the TSA officer inspects the baggage inside the bag 1 will be described for the bag 1 thus locked by the user side. First, the TSA officer inserts the second key 11 as a TSA-compatible master key notified in advance into the keyhole 12, and one side 5A and the other side 5B of the fastener 5 are in a closed state. On the other hand, the locking device 2 on the second slider 7 side in the locked state is unlocked.

The unlocking of the locking device 2 on the second slider 7 side is performed by first rotating the second key 11 inserted into the key 12 from the closed position to the open position. The pin 40 that can be rotated in the direction of the arrow θ2 in FIG. 5 is rotated from the position shown in FIG. 6 to the position shown in FIGS. 9 and 10 by the rotation operation of the second key 11 to the open position. The lock cylinder 41 engaged with the pin 40 and the elongated hole 42 is slid and positioned at the sliding position on the retracting side with respect to the first slider 6.

In this state, the engagement convex portion 43 of the lock cylinder 41 is retracted from between the base end sides of the pair of swinging pieces 32A and 32B to release the engagement.

Then, on the tip side of the pair of swinging pieces 32A, 32B, the swinging in the expanding direction is possible, and as a result, the lock constituting the engaged body locking means together with the engaged body locking mechanism 37. The cylinder 42 releases the rocking lock of the rocking pieces 32A and 32B as the engaged bodies.

In such a state, the TSA officer pulls the handle 8 of the first slider 6 and the second slider 7 of the bag 1 to separate the first slider 6 and the second slider 7 as shown in the direction of arrow C in FIG. It becomes possible. That is, when the first slider 6 and the second slider 7 are relatively separated from each other, the ends of the swinging pieces 32A and 32B that are biased in the clamping direction by the action of the tension spring 36 (in the direction of arrow PB in FIG. 10). Since it can swing in the expanding direction, the engagement of the swinging pieces 32A and 32B as the engaged bodies with the engaging claws 35 of the swinging pieces 20A and 20B as the engaging bodies in the locked state is possible. The claw 32 can swing outward to release the engagement (see FIG. 8). As a result, in the fastener 5 in the bag 1, the portion A between the one side 5A and the other side 5B can be opened so that the two can be separated (see section A in FIG. 3). It is possible to take out and check the internal luggage from this portion, or to inspect while visually checking.

When the inspection of the bag in the bag 1 is completed and the TSA officer closes the fastener 5 and locks and locks the locking device 2 on the second slider 7 side, each puller 8 is first moved to the arrow B in FIG. The first slider 6 and the second slider 7 are joined together as shown in FIG. In this state, the engaging claws 35 at the tips of the swinging pieces 32A and 32B are again engaged with the engaging claws 23 of the corresponding swinging pieces 20A and 20B as shown in FIG. 9, and the first slider 6 and the second slider 7 are engaged. Are engaged with each other.

In this state, the second key 11 inserted into the keyhole 12 is rotated from the open position to the closed position. Then, the pin 40 at the lower end of the engaged body locking mechanism 37 rotates in the θ2 direction (see FIG. 5) and is positioned from the position shown in FIG. 9 to the position shown in FIG. The lock cylinder 41 to be engaged in is slid and positioned at the slide position on the near side with respect to the first slider 6.

In this way, the engagement convex portion 43 of the lock cylinder 29 is engaged between the pair of swinging pieces 32A and 32B in which the distal end side is urged in the clamping direction by the action of the tension spring 36 and the proximal end side is open. Will enter.

In this state, the swing of the tip of each swing piece 32A, 32B that can swing outward about the support shaft 34 is restricted, and as a result, the lock cylinder 41 as the engaged body locking means is provided. It becomes possible to lock the swinging of the swinging pieces 32A and 32B as the engaged bodies.

That is, in this state, the engaging claws 35 of the pair of sandwiching pieces 32A and 32B and the engaging claws 23 of the pair of swinging pieces 20A and 20B are engaged again, and the first slider 6 as the engaging body in the locked state is engaged. On the other hand, the second slider 7 as the engaged body is engaged, and the second key 11 in the closed position is removed from the lock hole 12 to thereby engage the swinging pieces 20A and 20B as the engaged bodies. Locking is completed (see FIG. 6). In this state, the bag 1 is held in a closed state where the one side 5A and the other side 5B of the fastener 5 are joined, and is locked on the TSA officer side of the locking device 2.

In other words, the bag 1 deposited with the airline is unlocked with the second key 11 that has been approved by the TSA that the TSA officer has previously notified to the TSA authority without using a special tool like the conventional TSA-compatible lock. You can lock and carry out inspections. And since it is locked again after the inspection, it is possible to keep the privacy of the baggage and prevent theft of the baggage in the airport as compared with the case of leaving the baggage in the unlocked state as before. Become.

As a result, the locking device 2 is suitable for use in a TSA lock, and the first key 9 or the second key 11 can be easily locked / unlocked as a TSA-compatible master key. That is, according to the locking device 2 according to the embodiment, the TSA officer can easily inspect the contents of the bag 1 without using a special tool.

For the user of the bag 1, when either the first key 9 or the second key 11 is a TSA-compatible master key, the other key is the user key (any key 9 or 11). It is possible to deal with the situation by managing as a case, so when traveling mainly in the United States, it is freed from the annoyance that occurred when depositing luggage.

In the above embodiment, the first key 9 is used as a user key, and the second key 11 is used as a master key notified to the TSA and authorized, but this may be reversed.

In the above embodiment, the pair of swinging pieces 20A and 20B (hook-like members) provided with hook-like hooking claws 23 at the front end of the engaging body and the hook-like hooking claws 35 provided at the tip of the engaged body. A pair of swinging pieces 32A and 32B (saddle-shaped members) are used, and the engaging body and the engaged body are engaged or disengaged by engaging and releasing the engaging claws 23 and 35. Is not limited to such a configuration, and the engaging body and the engaged body can be engaged or released, and the engagement state of the engaging body with respect to the engaged body can be locked, or Any structure may be used as long as the engagement state with respect to the engagement body can be locked.

That is, in the above embodiment, the hook-shaped member as the engaging body or the engaged body is pivotally supported by the first slide base 13 and the second slide base 14, respectively, with the base end portion being the center. The front end portion is swingable, and the front end portion abuts each other in a closed state where the one side 5A and the other side 5B of the fastener 5 in the bag 1 are joined to each other, and the front end portion rotates so as to be able to be engaged. The swinging pieces 20A and 20B (engagement bodies) and the swinging pieces 32A and 32B (engaged bodies) that can be biased to each other in the opposite directions are used. The first slider 6 (first key operating portion) or the second slider 7 (second key) is placed at the tip of each swing piece 20A, 20B (engagement body) and swing piece 32A, 32B (engaged body). At least one of the operation unit) is in an unlocked state (unlocked state by the first key 9 or the second key 11), and separated / opposed in the opened state of the bag 1 in which the one side 5A is separated from the other side 5B In addition, at least one of the first slider 6 (first key operation unit) or the second slider 7 (second key operation unit) is in an unlocked state, and the bag is joined between the one side 5A and the other side 5B. In the closed state of FIG. 1, the front and rear end portions that are spaced apart and face each other are engaged, and engaging claws 23 and 35 that are engaged with each other are provided. Further, each of the engaging body locking means and the engaged body locking means is in a closed state of the bag where the one side 5A and the other side 5B are joined, and the engaging claw 23 and the swinging piece of each swinging piece 20A, 20B. In the state where the engaging claws 35 of 32A and 32B are engaged with each other and engaged, the swinging of the corresponding swinging pieces 20A and 20B or the swinging pieces 32A and 32B is restricted, and the swinging pieces 20A and 20B ( The engaging state of the engaging body) with respect to the swinging pieces 32A and 32B (the engaged body) is locked, or the engaging state of the swinging pieces 32A and 32B (the engaged body) with respect to the swinging pieces 20A and 20B (the engaging body). To lock.

However, the engaging body and the engaged body of the present invention are like the swinging pieces 20A and 20B having the hooking claws 23 at the tip part or the swinging pieces 32A and 32B having the hooking claws 35 as in the above embodiment. For example, a chuck mechanism that chucks the engaging body or the engaged body with each other or a gear mechanism that meshes with each other may be used. Each of the engaging body locking means and the engaged body locking means may be a locking mechanism that holds the state in which one of the chuck mechanism or the gear mechanism is engaged with the other and the other.

Moreover, in the said embodiment, in the bag 1 as bags, the 1st slider 6 (1st key operation part) arrange | positioned by 5A of the one side 5A and the other side 5B of the fastener 5 opened and closed. And the second slider 7 (second key operation unit) disposed on the other side 5B are joined or separated from each other, but for example, an opening / closing structure in which bags are opened like a suitcase The first slider 6 according to the above embodiment is disposed on one side that is opened and closed, and the locking device 2 is configured to include the second slider 7 according to the above embodiment on the other side that is opened and closed. It is also possible to do.

Further, in the above embodiment, the application of the locking device 2 of the bag 1 is TSA compatible, and either the first key 9 or the second key 11 is notified to the TSA and used as an authorized master key. The use of the device 2 is not limited to this, and one of the keys 9 and 11 is held by a different person (for example, one of a couple, one of friends, etc.). The bag 1 may be shared and used.

Moreover, in the said embodiment, the to-be-engaged body locking means to lock a pair of rocking | fluctuation piece 32A, 32B as an engaged body, and the to-be-engaged body locking means to lock a pair of rocking | fluctuation piece 20A, 20B as an engaging body Between the one side 5A of the fastener 5 and the other side 5B is a closed state of the bag, and the hooking claws 23 and 35 of the swing pieces 20A and 32A, and the hook claws 23 and 35 of the swing pieces 20B and 32B are In the state where they are engaged with each other and engaged, the keys 9 and 11 corresponding to the corresponding key holes 10 and 12 are inserted, and the corresponding swinging is performed by rotating the keys 9 and 11 to the closed position. The swing of the piece (20A, 20B or 32A, 32B) is restricted and fixed, and the corresponding swing piece (20A, 20B or 32A, 32B) is operated by turning the key 9, 10 to the open position. ) The corresponding swinging piece (20A, 20B or 32A, 32B) can be swung, and the first slider 6 on one side 5A of the bag 1 in a closed state and the first slider 6 on the other side 5B in the closed state are connected. Two lock cylinders 29 and 41 are provided that can be separated from the slider 7.

However, the engaging body locking means and the engaged body locking means are configured as the lock cylinders 29 and 41 under the structure that restricts the swing of the swing piece (20A, 20B or 32A, 32B). For example, any one that can regulate the swing of the corresponding swing piece (20A, 20B or 32A, 32B) by rotating between the closed position and the open position. It is good also as a thing of such a structure.

In the above-described embodiment, a pair of swing pieces 20A and 20B as engaging bodies is provided, and a pair of swing pieces 32A and 32B as engaged bodies is also provided. The engaging claws 23 and 35 of the leading end are engaged and engaged with each other, but the engaging body or the engaged body is not limited to such a configuration, and one swinging piece is connected to each other. It is good also as a structure of mutually abutting and engaging. Furthermore, it is good also as a thing of the structure which 3 or more rocking | fluctuation pieces mutually abut and engage. Further, the engagement between the engaging body and the engaged body is not limited to a hooking claw, and may be a chuck mechanism that chucks each other or a gear mechanism that meshes with each other. In this case, each of the engaging body locking means and the engaged body locking means may be a locking mechanism that maintains a state in which one of the chuck mechanism or the gear mechanism is engaged with the other.

The locking device 50 shown in FIG. 11 concerns on the modification of the locking device 2 which concerns on the said embodiment. In this modification, the structure of the second slide base 14 constituting the second slider 7 (second key operation unit) is the same as that of the above embodiment. Since the configuration is slightly different inside the first slide base 13 constituting the first slider 6 (first key operation unit), the following description will be given.

In this modification, a pair of oscillating pieces 51A and 51B are provided in the space 21 so as to protrude from the first slider 6 toward the second slider 7 side. Each swing piece 51A, 51B is pivotally supported by one support shaft 22 supported by the base 13 on the base end side in the longitudinal direction, and can swing in the P3 direction (see FIG. 11). The moving pieces 51A and 51B are arranged in an X shape around the support shaft so that the whole is like a western scissors. Engaging claws 55 projecting in a hook shape toward the outside are provided at the front ends of the swinging pieces 51A and 51B, respectively, so as to constitute a hook-like member as a whole.

The pair of swinging pieces 51A and 51B as the engaging members are supported by the support shaft 22 at the center thereof, and the expanding springs are formed by fixing the expanding clip portions to the respective distal end portions of the swinging pieces 51A and 51B. 54 is provided. As a result, the swinging pieces 51A and 51B are urged so that the engaging claws 55 at the tips of the swinging pieces 51A and 51B expand outward and face.

A lock cylinder 52 that is slidable in the direction of the arrow X by the engagement of the pin 28 and the long hole 30 is disposed on the proximal end side of the portion where the swing pieces 51A and 51B are disposed in the space 21. . The lock cylinder 52 is provided with a convex engagement convex portion 53 on the base end side of each of the swinging pieces 51A and 51B. The engagement convex portion 53 is engaged between the proximal end sides of the pair of swinging pieces 51A and 51B with respect to the support shaft 22 at the slide position of the lock cylinder 52 shown in FIG. The swinging of the swinging pieces 51A and 51B whose front end side is in the expanded state is restricted, and the swinging of the pair of swinging pieces 51A and 51B as the engagement body is locked. In addition, the lock cylinder 52 is slid in the retracting direction with respect to the second slider 7 by the rotation of the pin 28, and the engagement is engaged between the proximal ends of the swing pieces 51 </ b> A and 51 </ b> B with respect to the support shaft 22. The convex portion 53 is retracted from between the swinging pieces 51A and 51B, so that the pair of swinging pieces 51A and 51B as the engaging body can be swung around the support shaft 22 in the direction of the arrow P3. The swing lock of the moving pieces 51A and 51B is released.

The locking device 50 having the above-described configuration is inserted into the first key 9 and the keyhole 10 and rotated, similarly to the locking device 2 according to the above-described embodiment, to lock or unlock the swinging pieces 51A and 51B. As in the above-described embodiment, it can be used as a TSA-compatible locking device, for example. About another structure and an effect | action, since it is the same as that of the said embodiment, description is abbreviate | omitted.

The locking device 60 shown in FIG. 12 concerns on the 2nd modification of the locking device 2 which concerns on the said embodiment. In the above embodiment, the first slider 6 side includes the pair of swing pieces 20A and 20B, and the second slider 7 side includes the pair of swing pieces 32A and 32B. 1, one oscillating piece 61 is provided, and one oscillating piece 62 is provided on the second slider 7 side.

That is, in this modification, in the space 21 in the 1st slide base 13 which comprises the 1st slider 6 (1st key operation part), a front-end | tip part faces the 2nd slide 7 side from the 1st slider 6, A swing piece 61 is provided so as to protrude. The swing piece 61 is pivotally supported by one support shaft 22 supported by the base 13 on the base end side in the longitudinal direction, and can swing in the P4 direction (see FIG. 12). Is provided with a hooking claw 63 so as to constitute a hook-like member as a whole.

The swinging piece 61 as the engaging body is provided with a tension spring 64 for restricting the rotation direction so that the hooking claw 63 at the tip is directed inward with the support shaft 22 as the center, and a tension spring 64 for urging the tip and the base 13. Suspended between.

A lock cylinder 67 that is slidable in the direction of the arrow X by engagement of the pin 28 and the long hole 30 is disposed on the proximal end side of the portion where the swing piece 61 is disposed in the space 21.
The lock cylinder 67 is provided with an engagement notch 68 that allows the proximal end of the swing piece 61 to be engaged. The engagement notch 68 is supported in a state in which the lock cylinder 67 is slid to the slide position on the side closer to the second slider 7 shown by the solid line in FIG. The base end side with respect to the shaft 22 is engaged, and the base end portion of the swing piece 61 can be held between the notch 68 and the base 13. As a result, the swing of the swing piece 61 that can swing in the direction of the arrow P4 about the support shaft 22 is restricted, and the swing piece 61 as the engaging body can be locked. On the other hand, in the state where the lock cylinder 67 is slid to the sliding position on the retracting side with respect to the second slider 7 shown by the two-dot chain line in FIG. 12 (the state where the first key 9 is turned to the open position), The engaging cutout portion 68 is retracted from the base end portion of the swing piece 61, and the swing piece 61 becomes swingable about the support shaft 22 in the arrow P4 direction. That is, in this state, the lock of the swing piece 61 as the engaging body is released.

On the other hand, the swinging piece 62 disposed on the second slider 7 side has a first end portion in the space 33 in the second slide base 14 constituting the second slider 7 (second key operation portion). The slider 6 is provided toward the side. The swing piece 62 is pivotally supported by one support shaft 34 supported by the base 14 on the base end side in the longitudinal direction, and can swing in the P5 direction (see FIG. 12). Is provided with a hooking claw 65 so as to constitute a hook-like member as a whole.

The swinging piece 62 as the engaged body is provided with a tension spring 66 for restricting the turning direction so that the hooking claw 65 at the tip is directed inward with the support shaft 34 as the center, and a tension spring 66 for biasing the tip and the base 14. Suspended between and.

A lock cylinder 69 slidable in the direction of the arrow X by the engagement of the pin 40 and the long hole 42 is disposed on the proximal end side of the portion where the swing piece 62 is disposed in the space 33.
The lock cylinder 69 is provided with an engagement notch 70 that allows the proximal end side of the swing piece 62 to be engaged. The engagement notch 70 is a support shaft in a state where the lock cylinder 69 shown in a solid line in FIG. 12 is slid to the retracting side of the first slider 6 (the second key 11 is turned to the closed position). The engagement of the proximal end side with respect to 34 is released, so that the swing piece 62 is swingable about the support shaft 34 in the direction of arrow P5. That is, in this state, the lock of the swing piece 62 as the engaged body is released. On the other hand, in a state where the lock cylinder 69 is slid to the slide position on the close side with respect to the first slider 6 indicated by the two-dot chain line in FIG. 12 (the second key 11 is turned to the closed position), The base end side of the swing piece 69 with respect to the support shaft 34 is engaged in the engaging cutout portion 70, and the base end portion of the swing piece 69 is held between the cutout portion 70 and the base 14. It will be. As a result, the swing of the swing piece 62 that can swing in the direction of the arrow P5 around the support shaft 34 is restricted, and the swing of the swing piece 62 as the engaged body can be locked.

According to the locking device 60 configured as described above, the first key 9 is inserted into the keyhole 10 and rotated as in the case of the locking device 2 according to the above embodiment, and the swing piece 67 is locked or locked. It is possible to release the lock, and the second key 11 can be inserted into the keyhole 12 and rotated to lock or release the swing piece 69. As a result, the engaging claws 63 and 65 of the tip portions are brought into contact with each other with the rotation directions urged to each other as opposite directions, and the swinging piece 67 as the engaging body to be engaged or released is used as the engaged body. Engagement / disengagement of the swing piece 69 can be performed by rotating either the first key 9 or the second key 11 and is used as, for example, a TSA-compatible locking device as in the above embodiment. It becomes possible. About another structure and an effect | action, since it is the same as that of the said embodiment, description is abbreviate | omitted.

It is a perspective view which shows the whole bag which mounted the locking device which concerns on embodiment. It is an expansion perspective view of a locking device. It is a perspective view which shows the separation state of a 1st key operation part and a 2nd key operation part. It is a perspective view which shows the decomposition | disassembly state of a locking device. It is a disassembled perspective view of the locking device which shows the lock cylinder arrange | positioned in a 1st key operation part and a 2nd key operation part. It is sectional drawing which follows the VI-VI line of FIG. 2 which shows the locked state of a 1st key operation part and a 2nd key operation part. It is sectional drawing similar to FIG. 6 which shows the lock release state of a 1st key operation part. FIG. 7 is a cross-sectional view similar to FIG. 6 showing the unlocked state of the first key operation unit and showing the opened state of the bags. It is sectional drawing similar to FIG. 6 which shows the lock release state of a 2nd key operation part. It is sectional drawing similar to FIG. 6 which shows the unlocked state of a 2nd key operation part, and shows the open state of bags. It is sectional drawing similar to FIG. 9 of the locking device which shows the 1st modification of FIG. It is sectional drawing similar to FIG. 9 of the locking device which shows the 2nd modification of FIG.

Explanation of symbols

1 Travel bag (bags)
2, 50, 60 Locking device 3 Belt 4 Handle 5 Fastener 5A One side 5B The other side 6 First slider (first key operation section)
7 Second slider (second key operation unit)
8 Puller 9 1st key 10, 12 Key hole 11 2nd key 13 1st slide base 14 2nd slide base 15, 17 Upper case 16, 18 Set screw 19 Groove parts 20A, 20B, 32A,
32B, 51A, 51B, 61, 62 Oscillating piece (engaging body, engaged body, bowl-shaped member)
21, 33 Space 22, 33 Support shafts 23, 35, 55, 63, 65 Engaging claw 24 Compression springs 36, 64, 66 Tension spring 25 Engagement body locking mechanism (engagement body locking means)
37 Engagement body locking mechanism (engagement body locking means)
26, 38 Outer cylinder 27, 39 Inner cylinder 28, 40 Pins 29, 41, 52, 67, 69 Lock cylinder 30, 42 Long hole 31 Engaging recess 43, 53 Engaging projection 54 Expanding spring 68, 70 Engagement notch

Claims (6)

Closed with one side and the other side joined by inserting a key into the keyhole and rotating the key between the open and close positions. A first key operation unit that allows unlocking / locking between one side and the other side of the bag in a state, and the other side of the bag that can be opened and closed to the first key operation unit. A key different from the key inserted in the key hole of the first key operation unit is inserted into the key hole, and the key is rotated between the open and closed positions. A bag locking device comprising: a closed bag with the other side joined and a second key operation unit that enables unlocking and locking between the other side, wherein the first key operation And the second key operation unit includes an engaged body. The engaged body and the engaged body are covered with each other. In the closed state where one side and the other side of the bag are joined, and disengaged in the open state where the one side and the other side of the bag are separated from each other, the first key A key corresponding to the keyhole is inserted into the operation portion, and the key is rotated to the closed position to be joined to each other, and the engagement body between one side and the other side of the closed bag is connected. The engaged state with respect to the engaged body is locked between one side and the other side of the bags that are joined to each other by locking the engaged state with respect to the engaged body and rotating the key to the open position. Engagement body locking means is provided for releasing the lock in the engaged state so that one side and the other side of the bags to be joined can be separated from each other, and a key corresponding to the key hole is provided on the second key operation portion. Insert and rotate the key to the closed position so that they are joined together and in the closed state Locking the engaged state of the engaged body with respect to the engaging body between the one side and the other side of the van, and rotating the key to the open position to join each other and close the one of the closed bags Engagement body locking means for releasing the locked state of the engaged body with respect to the engagement body between the side and the other side and separating the one side and the other side of the bags to be joined is provided. A locking device for certain bags. Engagement body and engaged body are engaged in a state where one side and the other side of the bag are joined and closed, and one side and the other side of the bag are separated from each other and engaged in an open state. The bag locking device according to claim 1, wherein the bag-like member is released. The hook-shaped member as the engaging body or the engaged body is pivotally supported at the base end portion by the first key operating portion or the second key operating portion, respectively, and the distal end side can be swung around the pivot supporting portion. Swing that allows the tip portions to abut each other at a position where one side and the other side are joined to each other, and to be able to engage with each other with the rotation direction as the reverse direction. At the tip of each swinging piece, at least one of the first key operation unit or the second key operation unit is unlocked, and the bag is closed between one side and the other side. At least one of the first key operation part or the second key operation part is in an unlocked state, and is separated and opposed in the opened state of the bags that are joined between one side and the other side. The front end portions are engaged with each other and are provided with engaging claws that are engaged with each other. Each of the engaged body locking means is in a closed state of the bags joined between the one side and the other side, and in a state where the hooking claws at the tips of the swinging pieces are in contact with each other. The locking state of the engaging body with respect to the engaged body is locked by restricting the swinging of the corresponding swinging piece, or the engaging state of the engaged body with respect to the engaging body is locked. Locking device for bags. The bag locking device according to claim 3, wherein two or more hook-shaped members as engaging bodies or engaged bodies are provided in the first key operation section and the second key operation section. Each of the engaging body locking means and the engaged body locking means is in the closed state of the bag that is joined between one side and the other side, and the hooking claws at the tip of each swinging piece abut each other. In such a state, the key corresponding to the corresponding key hole is inserted, and the key is rotated to the closed position to restrict and fix the swing of the corresponding swing piece, and the key is opened. Rotating to the position unlocks the corresponding swing piece, enabling the corresponding swing piece to swing, and connecting one side and the other side of the closed bags that are joined together. The bag locking device according to claim 3 or 4, wherein the lock cylinders are separable from each other. Either the key to be inserted into the key hole of the first key operation part or the key to be inserted into the key hole of the second key operation part is notified to the US Federal Aviation Ministry of Transportation Security Administration and approved. The bag locking device according to any one of claims 1 to 5, wherein the master key is a master key and the other key is a user key used by a user.