JP6760850B2 - Connector lock device - Google Patents

Description

The present invention relates to a connector lock device used to prevent leakage of various data from a connector (connector on the device side) attached to an electronic device such as a personal computer or a control device and mischief of the connector (connector on the device side). ..

Today, the spread of personal computers is rapidly advancing, and a large amount of various information is recorded and accumulated inside the personal computer. On the other hand, in order to steal this information, unauthorized access to the personal computer and information leakage may occur. The current situation is that it has not passed.
Among the unauthorized access to the personal computer, one of the problems in recent years is the leakage of information due to the access to the USB port. As is well known, the USB port can easily copy the data inside the personal computer by connecting an external storage device such as a USB memory, so it is necessary to take measures to prevent access to the USB port.

Therefore, the inventor of the present application inserts an insertion case into the USB port to close it, and engages a lock claw provided in the insertion case with a slit on an arbitrary surface of the outer frame of the USB port to lock the information. Patent Document 1 has proposed a USB port lock device that prevents leakage.

However, in recent years, various data have also been obtained from the connector called "D-Sub (D-Subminiature)" on the back of electronic devices such as personal computers and control devices, and the connector called "DVI (Digital Visual Interfase)". Has been found to be extracted.
These connectors are connectors (connectors on the device side) that are installed on the housing of a personal computer or control device with screws on both ends. Connect the connector on the cable side to the connector on the device side, and connect the connector on the cable side to this cable side. By fastening each mounting screw attached to both ends of the connector to each screw part at both ends of the connector on the device side, the connection between the connector on the device side and the connector on the cable side is fixed. What is a USB port? Due to the different structure, the above locking device cannot handle it.
Also, so far, it seems that there is no connector lock device that closes and locks this type of connector. Therefore, there is no accumulation of technologies related to such a connector lock device, and there is no prior art document to be described.

Japanese Patent Application No. 2016-122502

In this way, when there is no connector lock device compatible with connectors such as "D-Sub" and "DVI" of personal computers and control devices, the personal computers and control devices are almost naked, and as it is, the personal computers and control devices are left as they are. Can be used illegally and various data can be taken out unnecessarily.
The present invention solves such a conventional problem, and realizes highly reliable security by easily closing and locking this type of connector, and making it difficult to unlock after locking. That is the purpose.

In order to achieve the above object, the connector lock device of the present invention
Cable-side connectors are connected to the device-side connectors equipped with threads on both ends of the housing of electronic devices including personal computers and control devices, and each mounting screw provided on both ends of the cable-side connector. Is a connector on the device side of an electronic device in which the connection between the connector on the device side and the connector on the cable side is fixed by fastening the connector to each of the threaded portions at both ends of the connector on the device side. It is a connector lock device that closes and locks the connection surface with the connector on the cable side.
One end has a covering portion that covers all or part of the connection surface of the connector on the device side, and the other end has a key hole. The key hole is locked and unlocked by inserting and removing the key and inserted into the key hole. A cylinder lock that is rotationally driven by the rotation operation of the key
It is arranged in a substantially tubular shape on the outer peripheral surface of the cylinder lock in parallel with the axial direction of the cylinder lock, has a covering portion that communicates with the screw portion at one end and covers and closes the screw portion, and has an opening at the other end. A special screw insertion portion having a special screw, and a special screw that is inserted and accommodated in the special screw insertion portion and can be fastened to the screw portion.
It is operatively connected to the cylinder lock on the other end side of the cylinder lock, and the axis of the cylinder lock is rotated around the axis of the cylinder lock by the rotation operation of the key of the cylinder lock and the lock position on the other end opening of the special screw insertion portion. A lock cap that is rotatably provided between the unlocked position away from the opening and can open and close the opening of the special screw insertion portion.
With
To prevent unauthorized use of the connector on the device side,
By covering the connection surface of the connector on the device side with the covering portion of the cylinder lock and fastening the special screw in the special screw insertion portion to the screw portion, the covering portion of the cylinder lock and the device side Fix the connection surface of the connector,
The lock cap is locked by closing the opening of the special screw insertion portion with the lock cap by rotating the key of the cylinder lock, pulling out the key from the key hole, and locking the cylinder lock. , The covering portion of the cylinder lock is locked to the connection surface of the connector on the device side.
When using the connector on the device side,
By inserting the key into the key hole and unlocking the cylinder lock, the lock of the lock cap and the lock of the covering portion of the cylinder lock with respect to the connection surface of the connector on the device side are released, and the cylinder lock is released. By the rotation operation of the key, the lock cap is removed from the opening of the special screw insertion portion to open the opening.
By removing the special screw in the special screw insertion portion from the screw portion, the fixing between the covering portion of the cylinder lock and the connection surface of the connector on the device side is released.
The gist is that.

Further, it is preferable that the connector lock device adopts the following configuration for each part.
(1) The outer cylinder of the cylinder lock and the special screw insertion portion are integrally formed as a lock body.
(2) The covering portion at one end of the outer cylinder of the cylinder lock is formed in a substantially tubular shape so that a part of the connector on the device side can be included, and the remaining portion of the connector on the device side is covered on a part of the outer circumference of the covering portion. A connector through part is provided to let it go out of the part.
(3) The cylinder lock is configured as a disc tumbler type cylinder lock.
(4) The lock cap is formed in a ring shape by dividing the other end side of the outer cylinder of the cylinder lock, and is formed on one of the inner peripheral surface of the ring shape or the outer peripheral surface of the inner cylinder of the cylinder lock. A cap rotating portion that can rotate integrally with the inner cylinder on the other end side of the outer cylinder of the cylinder lock by engaging the joint recess and the locking convex portion formed on the other side, and an outer peripheral surface of the cap rotating portion. It is composed of a cap portion having a shape substantially the same as the other end surface having a convex shape and an opening for a special screw insertion portion.

According to the connector lock device of the present invention, when preventing unauthorized use of the connector on the device side by the above configuration, the connecting surface of the connector on the device side is covered with the covering portion of the cylinder lock, and the inside of the special screw insertion portion is covered. By fastening the special screw to the screw part, the covering part of the cylinder lock and the connection surface of the connector on the device side are fixed, and by rotating the key of the cylinder lock, the opening of the special screw insertion part is closed with the lock cap. Pull out the key from the key hole and lock the cylinder lock to lock the lock cap, lock the covering part of the cylinder lock to the connection surface of the connector on the device side, and when using the connector on the device side, lock the key. The lock cap is locked by inserting it into the key hole and unlocking the cylinder lock, and the lock on the connection surface of the connector on the device side of the coating of the cylinder lock is released, and the lock cap is unlocked by rotating the key of the cylinder lock. By removing from the opening of the special screw insertion part to open the opening and removing the special screw in the special screw insertion part from the screw part, the fixing between the coating part of the cylinder lock and the connection surface of the connector on the device side is released. Therefore, connectors such as "D-Sub" and "DVI" of various electronic devices including personal computers and control devices can be easily closed and locked, and it is difficult to unlock after locking, which makes it reliable. Highly secure security can be realized, and the connector lock device can be easily removed, which is a special effect unique to the present invention.

The diagram showing the configuration of the connector lock device according to the embodiment of the present invention together with the configuration of the connector on the device side and the connector on the cable side equipped in a personal computer or the like ((a) is a perspective seen from the key hole side of the connector lock device. FIG. (B) is a perspective view of the connector lock device viewed from the side opposite to the key hole of the connector lock device (c) is an exploded perspective view of the connector lock device (d) is a perspective view of the connector on the device side and the connector on the cable side). The figure which shows the structure of the connector lock device and the key used for this device ((a) is one end view (b) of a connector lock device is a plan view of a connector lock device (c) is a plan view of a key). A view showing the configuration of the lock body of the connector lock device in particular ((a) is the other end view (b) is a plan view (c) is a plan sectional view (d) is a right side view (e) is a left side view ( f) is one end view) The figure which shows the structure of the special screw of the connector lock device (perspective view). The view which shows the structure of the lock cap of the connector lock device in particular ((a), (b) is a perspective view (c) is a front view (d) is a side sectional view (e) is a side view (f) is a rear view). The figure which shows the use example of the connector lock device (the state which covers and locks DVI with a connector lock device).

Next, a mode for carrying out the present invention will be described with reference to the drawings.

Here, first, using FIG. 1 (d), D-Sub and DVI, which are connectors on the device side equipped in the personal computer, will be described.
As shown in FIG. 1 (d), the D-Sub is a male-side connector mounted on, for example, the back of the housing of the personal computer P, and is a substantially D-shaped columnar connector body in which a plurality of contacts are arranged and built. It is composed of C and a mounting portion (not shown) formed by extending the back portion of the connector body C in the longitudinal direction, and mounting screws S0 having screw portions (female screws) S on the head are provided at both ends in the longitudinal direction of the mounting portion. Be done. In this D-Sub, the connector body C is passed from the inside of the housing through a substantially rectangular fitting hole of the housing and protrudes to the outside of the housing, and the mounting portion is brought into contact with the inside of the housing. It is attached by passing the mounting screws S0 at both ends of the mounting portion through the screw insertion holes of the housing and tightening them into nuts (not shown) inside the housing. By plugging the cable-side connector K1 which is the female side connector into the D-Sub in this way, the personal computer P and the external device (not shown) are passed through the D-Sub and the cable-side connector K1. Is connected. Then, by fastening the mounting screws S1 provided at both ends of the connector K1 on the cable side to the threaded portions S at both ends of the D-Sub (threaded portions S at the head of each mounting screw S0), the D-Sub and the cable side are fastened. The connection with the connector K1 is fixed, and by doing so, even if the cable is pulled carelessly, poor contact between the D-Sub and the connector K1 on the cable side will occur, or the D-Sub will be on the cable side. The connector K1 will not come off.
DVI is one of the interface standards for connecting a personal computer and a display. As shown in Fig. 1 (d), DVI is almost the same as D-Sub, and by plugging the connector K2 on the cable side into DVI. , The personal computer P and the display (not shown) are connected via these DVI and the connector K2 on the cable side, and the mounting screws S2 attached to both ends of the connector K2 on the cable side are fastened to the screw portions S on both ends of the DVI. By doing so, the connection between the DVI and the connector on the cable side is fixed.

Hereinafter, the connector lock device will be described with reference to FIGS. 1 to 5.
As shown in FIGS. 1 and 2, the connector lock device L closes and locks the connection surface of the connector on the device side (D-Sub or DVI; hereinafter the same) to the connector on the cable side, and locks the connector at one end. Has a covering portion 101 that covers all or part of the connection surface of the connector on the device side, has a key hole 110 at the other end, and locks and unlocks the key hole 110 by inserting and removing the key 12 to the key hole 110. The cylinder lock 1 that is rotationally driven (the inner cylinder 11 in the outer cylinder 10) by the rotation operation of the inserted key 12 and the outer peripheral surface of the cylinder lock 1 are arranged in a substantially tubular shape parallel to the axial direction of the cylinder lock 1. It is inserted and accommodated in a special screw insertion portion 2 having a covering portion 20 which communicates with the screw portion S at one end and covers and closes the screw portion S, and an opening 210 at the other end, and a special screw insertion portion 2. A special screw 3 that can be fastened to the screw portion S and a special screw insertion portion 2 are operatively connected to the cylinder lock 1 on the other end side of the cylinder lock 1 and rotate around the axis of the cylinder lock 1 by rotating the key 12 of the cylinder lock 1. A lock cap 4 that is rotatably provided between a lock position on the other end opening 210 and an unlock position away from the opening 210 and that can open and close the opening 210 of the special screw insertion portion 2 is provided. Will be done.

As shown in FIG. 2B, the cylinder lock 1 includes an outer cylinder 10 and an inner cylinder 11 rotatably housed inside the outer cylinder 10, and the entire connection surface of the connector on the device side is provided at one end of the outer cylinder 10. Alternatively, a covering portion 101 is formed so as to partially cover the outer cylinder 10, and the other end of the outer cylinder 10 is opened to expose the key hole 110 provided in the inner cylinder 12.
In this case, the cylinder lock 1 is configured as a disc tumbler type cylinder lock. As shown in FIG. 3, the outer cylinder 10 is formed of plastic as a lock body B in a substantially cylindrical shape, and an engaging groove 102 is formed on the inner peripheral surface thereof so as to be engaged with the inner cylinder 11. The covering portion 101 at one end of the outer cylinder 10 is formed in a substantially cylindrical shape so as to include all or a part of the connector on the device side. As shown in FIG. 2B, the inner cylinder 11 is formed in a substantially cylindrical shape by die casting with a zinc alloy, and a plurality of discs 111 are normally formed inside the inner cylinder 11 by a spring (not shown) in the outer cylinder 10 direction (outside). They are urged and arranged so as to project in the direction of the inner peripheral surface of the cylinder 10. In this way, when the inner cylinder 11 is rotatably housed inside the outer cylinder 10 and the key 12 (see FIG. 2C) is not inserted into the inner cylinder 11 from the key hole 110, that is, the key 12 In the state where is detached, each disk 111 in the inner cylinder 11 protrudes to the outer cylinder 10 side by a spring (each disk 111 is engaged with the engaging groove 102 on the inner peripheral surface of the outer cylinder 10), which becomes an obstacle. When the inner cylinder 11 is locked so that it cannot rotate, and the key 12 is inserted into the key hole 110 from this state, each disk 111 is pulled into the inner cylinder 11 from the outer cylinder 10 side and the inner cylinder 11 rotates. The unlocked state is possible, and the inner cylinder 11 is rotationally driven in the outer cylinder 10 by the rotation operation of the key 12 inserted into the key hole 110. In this case, the inner cylinder 11 is rotatable 90 ° inside the outer cylinder 10.
The outer cylinder 10 of the cylinder lock 1 is integrally formed of plastic as a lock body B together with the special screw insertion portion 2. This point will be described later.

As shown in FIG. 3, the special screw insertion portion 2 is formed in a substantially tubular shape with both ends opened along the outer peripheral surface of the outer cylinder 10 of the cylinder lock 1. In this case, the special screw insertion portion 2 is integrally formed with the outer peripheral surface of the outer cylinder 10 as a part of the lock body B, and is substantially a cylinder larger than the outer diameter of the screw portion S of the connector on the device side and having the same length as the outer cylinder 10. One end of the inner peripheral surface is formed into a shape, and one end of the inner peripheral surface is formed as a covering portion 20 so as to be able to communicate with the threaded portion S of the connector on the device side and to be externally fitted to the threaded portion S. The head 30 of the special screw 3 is opened (hereinafter, this opening is referred to as reference numeral 210) so that the head 30 of the special screw 3 described later can be fitted as the head holding portion 21 in a predetermined range on the other end side. The intermediate portion between the covering portion 20 on one end side and the head holding portion 21 on the other end side has a substantially cylindrical shape having a diameter substantially the same as that of the head 30 and a diameter slightly larger than the diameter of the head 30. The screw shaft 31 of the special screw 3 is formed into a substantially cylindrical shape having a small diameter, one portion of which is a screw hole 22 on one end side and the other portion of which is a screw through hole 23 on the other end side.
As shown in FIG. 4, the special screw 3 is composed of a head 30 and a screw shaft 31, and the entire screw shaft 31 is screwed into the screw portion S of the connector on the device side so that the whole can be inserted into the special screw insertion portion 2. Formed as possible. In this case, the special screw 3 is projected from the center of the tip surface of the cylindrical head 31 and the head 30 that can be fitted to the head holding portion 21 on the other end side of the inner peripheral surface of the special screw insertion portion 2, and the outer peripheral surface. It is composed of a screw shaft 31 having a screw portion in a predetermined length range from the tip of the screw, the whole of which is inserted into the special screw insertion portion 2, and the head 30 is held by the head holding portion 21 in the special screw insertion portion 2. Then, the screw shaft 31 is passed through the screw through hole 23 and the screw hole 22 in the intermediate portion, and the tip end side of the screw shaft 31 is projected and arranged in the covering portion 20 of the special screw insertion portion 2.

As shown in FIG. 5, the lock cap 4 is formed in a ring shape by dividing the other end side of the outer cylinder 10 of the cylinder lock 1, and the engaging recess 40 and the cylinder formed on the inner peripheral surface of the ring shape. The inner cylinder 11 is on the other end side of the outer cylinder 10 of the cylinder lock 1 by engaging with the locking convex portion 112 (see FIG. 2B) formed on the other end side of the outer peripheral surface of the inner cylinder 11 of the lock 1. A cap rotating portion 41 that can rotate integrally with the cap rotating portion 41, and a cap portion 42 that is convex on a part of the outer peripheral surface of the cap rotating portion 41 and has substantially the same shape as the opening 210 surface at the other end of the special screw insertion portion 2. By engaging the engaging recess 40 of the cap rotating portion 41 with the locking convex portion 112 of the inner cylinder 11 of the cylinder lock 1, the other end side of the cylinder lock 1 is operatively connected to the inner cylinder 11. By the rotation operation of the key 12 inserted into the key hole 110 of the cylinder lock 1 in this way, the cap rotating portion 41 and the inner cylinder 11 rotate around the axis of the cylinder lock 1 on the other end opening 210 of the special screw insertion portion 2. It is rotated between the lock position and the unlock position away from the opening 210, and the opening 210 of the special screw insertion portion 2 can be opened and closed.

Thus, in this connector lock device L, when preventing unauthorized use of the connector on the device side, the covering surface 101 of the cylinder lock 1 covers the connection surface of the connector on the device side, and the special screw 3 in the special screw insertion portion 2 is used. Is fastened to one of the screw portions S at both ends of the connector on the device side to fix the covering portion 101 of the cylinder lock 1 and the connection surface of the connector on the device side, and locked by rotating the key 12 of the cylinder lock 1. The lock cap 4 is locked by closing the opening 210 of the special screw insertion portion 2 with the cap 4, pulling out the key 12 from the key hole 110, and locking the cylinder lock 1, and the covering portion 101 of the cylinder lock 1 is placed on the device side. Lock on the connection surface of the connector.
Then, when using the connector on the device side, the key 12 is inserted into the key hole 110 of the cylinder lock 1 and the cylinder lock 1 is unlocked to lock the lock cap 4 and the device of the covering portion 101 of the cylinder lock 1. The lock on the connection surface of the connector on the side is released, and by rotating the key 12 of the cylinder lock 1, the lock cap 4 is removed from the opening 210 of the special screw insertion portion 2 to open the opening 210, and the inside of the special screw insertion portion 2 is opened. By removing the special screw 3 from the screw portion S, the fixing between the covering portion 101 of the cylinder lock 1 and the connection surface of the connector on the device side is released.

FIG. 6 illustrates an example of use when this connector lock device L is used for DVI.
In this case, in the connector lock device L, the outer cylinder 10 portion of the lock body B is formed into a substantially cylindrical shape having an inner diameter slightly smaller than the longitudinal dimension of the DVI and slightly larger than the lateral dimension of the DVI. 10 The covering portion 101 at one end is formed in a substantially cylindrical shape so that a part of the DVI can be included, and a part of the outer peripheral portion of the covering portion 101 (special screw insertion) in order to let the rest of the DVI out (release) of the covering portion 101. A part of the surface opposite to the portion 2) is cut out in a substantially U shape, and a DVI through portion (connector through portion) 103 (see FIG. 3) is provided.

To prevent unauthorized use of DVI with this connector lock device L, first, as shown in FIG. 6 (1), the covering portion 101 of the cylinder lock 1 and the covering portion 20 of the special screw insertion portion 2 are respectively of the DVI. Each of the covering portions 101 and 20 is put on the connecting surface of the DVI and the one threaded portion S in accordance with the connecting surface and the one threaded portion S. At this time, a part of the DVI (about two-thirds of the whole from one end in the longitudinal direction of the DVI) is covered with the covering portion 101 of the cylinder lock 1, and the remaining portion of the DVI is covered through the DVI passing portion 103 of the covering portion 101. It is taken out of the part 101. Subsequently, the special screw 3 in the special screw insertion portion 2 is tightened to one screw portion S of the DVI to fix the covering portion 101 of the cylinder lock 1 and the connection surface of the DVI. Next, as shown in FIG. 6 (2), the key 12 is inserted into the key hole 110 of the cylinder lock 1 and turned 90 ° to insert the cap portion 42 of the lock cap 4 together with the inner cylinder 11 in the outer cylinder 10 into the special screw insertion portion. Rotate from the unlock position away from the opening 210 of 2 to the lock position on the opening 210, and close the opening 210 of the special screw insertion portion 2 with the cap portion 42 of the lock cap 4 (that is, cover the opening 210). ). Then, as shown in FIG. 6 (3), the cylinder lock 1 is locked by pulling out the key 12 from the key hole 110 of the cylinder lock 1, and the lock cap 4 is locked by this lock to lock the cylinder lock 1. The covering 101 is locked to the connection surface of the DVI. As shown in FIG. 6 (4), the cap portion 42 of the lock cap 4 cannot be rotated from the locked position to the unlocked position due to this lock. Therefore, the special screw 3 fastened to one of the screw portions S of the DVI must be removed. The covering portion 101 of the cylinder lock 1 is completely fixed by covering the connecting surface of the DVI. Therefore, since the connector on the cable side cannot be inserted into this DVI, various data in the personal computer P cannot be extracted or the DVI cannot be tampered with by connecting the cable.

When using the DVI, first, the key 12 is inserted into the key hole 110 of the cylinder lock 1 to unlock the cylinder lock 1, the lock of the lock cap 4 and the connection of the DVI of the covering portion 101 of the cylinder lock 1. Unlock the face. Next, the key 12 of the cylinder lock 1 is rotated by 90 ° to remove the lock cap 4 from the opening 210 of the special screw insertion portion 2 and open the opening 210. Then, the special screw 3 in the special screw insertion portion 2 is removed from the screw portion S, the fixing between the covering portion 101 of the cylinder lock 1 and the connection surface of the DVI is released, and the connector lock device L is removed from the connection surface of the DVI. .. This allows you to connect the cable-side connector to DVI.

The same applies when the connector lock device L is used for the D-Sub.

As described above, according to the connector lock device L, the cylinder lock 1 having a covering portion 101 at one end covering all or a part of the connection surface of the connector on the device side, and the outer peripheral surface of the cylinder lock 1 are substantially covered. A special screw insertion portion 2 which is arranged in parallel in a tubular shape and has a covering portion 20 at one end, and a special screw 3 which is inserted and accommodated in the special screw insertion portion 2 and can be fastened to the screw portion S of the connector on the device side, and a cylinder. A lock cap that is operatively connected to the cylinder lock 1 on the other end side of the lock 1 and can rotate around the axis of the cylinder lock 1 by rotating the key 12 of the cylinder lock 1 to open and close the opening 210 of the special screw insertion portion 2. In order to prevent unauthorized use of the connector on the device side, the cover portion 101 of the cylinder lock 1 covers the connection surface of the connector on the device side, and the special screw 3 in the special screw insertion portion 2 is provided. Is fastened to the screw portion S to fix the covering portion 101 of the cylinder lock 1 and the connection surface of the connector on the device side, and by rotating the key 12 of the cylinder lock 1, the special screw insertion portion 2 is attached to the lock cap 4. By closing the opening 210 and pulling out the key 12 from the key hole 110 to lock the cylinder lock 1, the lock cap 4 is locked and the covering portion 101 of the cylinder lock 1 is locked to the connection surface of the connector on the device side. Therefore, it is possible to easily close and lock the connectors such as "D-Sub" and "DVI" of various electronic devices including personal computers and control devices, and it is difficult to unlock after locking. , Highly reliable security can be realized. When using the connector on the device side, the key 12 is inserted into the key hole 110 of the cylinder lock 1 and the cylinder lock 1 is unlocked to lock the lock cap 4 and the device of the covering portion 101 of the cylinder lock 1. The lock on the connection surface of the connector on the side is released, and by rotating the key 12 of the cylinder lock 1, the lock cap 4 is removed from the opening 210 of the special screw insertion portion 2 to open the opening 210, and the inside of the special screw insertion portion 2 is opened. By removing the special screw 3 from the screw portion S, the fixing between the covering portion 101 of the cylinder lock 1 and the connection surface of the connector on the device side is released, so that the connector lock device L can be easily removed. Can be done.

Further, in the connector lock device L, the covering portion 101 at one end of the outer cylinder 10 of the cylinder lock 1 is formed in a substantially tubular shape so as to be able to include a part of the connector on the device side, and is formed on a part of the outer periphery of the covering portion 101. By providing a connector through portion 103 for exposing the remaining portion of the connector on the device side to the outside of the covering portion 101, one end of the cylinder lock 1 is provided even when the connector on the device side is large (particularly the length in the longitudinal direction is large). It is not necessary to match the size of the covering portion 101 of the connector to the size of the entire connector, and the size of the entire connector lock device L can be made compact together with the covering portion 110 at one end of the cylinder lock 1.

In this connector lock device L, one special screw insertion portion 2 is provided on the outer peripheral surface of the cylinder lock 1, and one special screw 3 is inserted into the special insertion portion 2 to cover one end of the cylinder lock 1. The connection surface of the connector on the device side is covered with 101, and the special screw 3 of one special screw insertion portion 2 is fastened to one screw portion S of the connector on the device side to open the opening 210 of the special screw insertion portion 2. Although the cap portion 42 of the lock cap 4 covers the lid, two special screw insertion portions are symmetrically provided on the outer peripheral surface of the cylinder lock, and one special screw is inserted into each of these special insertion portions. , Cover the connection surface of the connector on the device side with the coating on one end of the cylinder lock, fasten each special screw of the two special screw insertion parts to each screw part on both ends of the connector on the device side, and each of these special screw insertion parts. The opening may be capped with a cap portion of a lock cap, in this case two cap portions extending in opposite directions from the cap rotating portion. Even in this way, the same action and effect as those of the above-described embodiment can be obtained, and a more reliable locked state of the connector lock device can be obtained.
Further, in this connector lock device L, the outer cylinder 10 of the cylinder lock 1 and the covering portion 101 at one end thereof are substantially cylindrical, but each may be a square cylinder, and the outer circumference of the connector on the device side may be formed. It may have a tubular shape that matches the shape. Even in this way, the same action and effect as those of the above-described embodiment can be obtained, and in particular, when the tubular shape is formed according to the outer peripheral shape of the connector on the device side, the design effect can be improved. ..
Further, in this connector lock device L, although the cylinder lock 1 is configured as a disc tumbler type cylinder lock, it may be configured as another type of cylinder lock such as a pin tumbler type. Even in this way, the same action and effect as those of the above-described embodiment can be obtained.
Further, in this connector lock device L, the lock cap 4 is composed of a cap rotating portion 41 and a cap portion 42, and an engaging recess 40 is formed on the inner peripheral surface of the cap rotating portion 41 to form an inner cylinder 11 of the cylinder lock 1. A locking convex portion 112 is formed on the other end side of the outer peripheral surface, and the cap rotating portion 41 engages with the engaging concave portion 40 and the locking convex portion 112 on the other end side of the outer cylinder 10 of the cylinder lock 1. It is operatively connected to the inner cylinder 11, but on the contrary, a locking convex portion is formed on the inner peripheral surface of the cap rotating portion, and an engaging concave portion is formed on the other end side of the outer peripheral surface of the inner cylinder of the cylinder lock. The cap rotating portion may be formed and operatively connected to the inner cylinder on the other end side of the outer cylinder of the cylinder lock by engaging the locking convex portion and the engaging concave portion. Even in this way, the same action and effect as those of the above-described embodiment can be obtained.

P PC C Connector body S0 Mounting screw S Screw part K1 Cable side connector S1 Mounting screw K2 Cable side connector S2 Mounting screw L Connector lock device 1 Cylinder lock 10 Outer cylinder (B lock body)
101 Cover 102 Engagement groove 103 DVI through part (connector through part)
11 Inner cylinder 110 Key hole 111 Disc 112 Locking convex part 12 Key 2 Special screw insertion part (B lock body)
20 Cover 21 Head holding part 210 Opening 22 Screw hole 23 Screw through hole 3 Special screw 30 Head 31 Screw shaft 4 Lock cap 40 Engagement recess 41 Cap rotating part 42 Cap part

Claims (5)

Cable-side connectors are connected to the device-side connectors equipped with threads on both ends of the housing of electronic devices including personal computers and control devices, and each mounting screw provided on both ends of the cable-side connector. Is a connector on the device side of an electronic device in which the connection between the connector on the device side and the connector on the cable side is fixed by fastening the connector to each of the threaded portions at both ends of the connector on the device side. It is a connector lock device that closes and locks the connection surface with the connector on the cable side.
One end has a covering portion that covers all or part of the connection surface of the connector on the device side, and the other end has a key hole. The key hole is locked and unlocked by inserting and removing the key and inserted into the key hole. A cylinder lock that is rotationally driven by the rotation operation of the key
It is arranged in a substantially tubular shape on the outer peripheral surface of the cylinder lock in parallel with the axial direction of the cylinder lock, has a covering portion that communicates with the screw portion at one end and covers and closes the screw portion, and has an opening at the other end. A special screw insertion portion having a special screw, and a special screw that is inserted and accommodated in the special screw insertion portion and can be fastened to the screw portion.
It is operatively connected to the cylinder lock on the other end side of the cylinder lock, and the axis of the cylinder lock is rotated around the axis of the cylinder lock by the rotation operation of the key of the cylinder lock and the lock position on the other end opening of the special screw insertion portion. A lock cap that is rotatably provided between the unlocked position away from the opening and can open and close the opening of the special screw insertion portion.
With
To prevent unauthorized use of the connector on the device side,
By covering the connection surface of the connector on the device side with the covering portion of the cylinder lock and fastening the special screw in the special screw insertion portion to the screw portion, the covering portion of the cylinder lock and the device side Fix the connection surface of the connector,
The lock cap is locked by closing the opening of the special screw insertion portion with the lock cap by rotating the key of the cylinder lock, pulling out the key from the key hole, and locking the cylinder lock. , The covering portion of the cylinder lock is locked to the connection surface of the connector on the device side.
When using the connector on the device side,
By inserting the key into the key hole and unlocking the cylinder lock, the lock of the lock cap and the lock of the covering portion of the cylinder lock with respect to the connection surface of the connector on the device side are released, and the cylinder lock is released. By the rotation operation of the key, the lock cap is removed from the opening of the special screw insertion portion to open the opening.
By removing the special screw in the special screw insertion portion from the screw portion, the fixing between the covering portion of the cylinder lock and the connection surface of the connector on the device side is released.
A connector lock device that features that. The connector lock device according to claim 1, wherein the outer cylinder of the cylinder lock and the special screw insertion portion are integrally formed as a lock body. The covering portion at one end of the outer cylinder of the cylinder lock is formed in a substantially tubular shape so that a part of the connector on the device side can be included, and the rest of the connector on the device side is placed outside the covering portion on a part of the outer periphery of the covering portion. The connector lock device according to claim 1 or 2, wherein a connector through portion is provided for putting out the connector. The connector lock device according to any one of claims 1 to 3, wherein the cylinder lock is configured as a disc tumbler type cylinder lock. The lock cap is formed in a ring shape by dividing the other end side of the outer cylinder of the cylinder lock, and has an engaging recess formed on one of the inner peripheral surface of the ring shape or the outer peripheral surface of the inner cylinder of the cylinder lock. A cap rotating portion that can rotate integrally with the inner cylinder on the other end side of the outer cylinder of the cylinder lock by engaging with a locking convex portion formed on the other side, and a part of the outer peripheral surface of the cap rotating portion. The connector lock device according to any one of claims 1 to 4, wherein the cap portion is convex and has a cap portion having substantially the same shape as the other end surface having an opening of a special screw insertion portion.

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