TWI694351B - Connector locking device - Google Patents

Abstract

This invention provides a connector locking device L, in which a connection surface of a machine side connector is covered and blocked with a covering portion 101 of a cylinder lock 1, and the connection surface of the machine side connector and the covering portion 101 is fixed by fastening a special screw 3 inside a special screw inserting portion 2 to a screw portion S, and an opening 210 of the special screw inserting portion 2 is closed with a lock cap 4 by rotating operation of a key 12 of the cylinder lock 1, and the lock cap 4 is locked by pulling out the key 12 from a key hole 110 to lock the cylinder lock 1. The connector locking device is capable of simply blocking and locking connectors of electric machines such as personal computers or controlling machines.

Description

Connector locking device

The present invention relates to a connector locking device, which is used to prevent various materials from leaking from a connector installed in an electronic device such as a computer or a control device, or to operate the connector indiscriminately.

Nowadays, computers are rapidly spreading, and various types of information are recorded and accumulated in large numbers inside the computers. On the other hand, the current situation is that improper access to computers and leakage of information are constantly occurring in order to steal this information.

In recent years, one of the problems caused by improper access to computers is information leakage due to improper access to USB ports. As we all know, as long as the USB port is connected to an external memory device such as a USB memory, you can simply copy the data inside the computer, so it must be useful to prevent access to the USB port.

Therefore, the inventor of this case has proposed a USB port locking device from JP-2016-122502-A, which inserts the insertion case into the USB port to block it, and engages the locking claw provided in the insertion case outside the USB port The slit on any face of the frame is locked by this to prevent information leakage.

However, in recent years, it is also known that there are various data from the back of electronic devices such as computers and control devices called "D-Sub (D-Subminiature)" (type D miniature) connectors and called "DVI (Digital Visual Interface) )" (Digital Video Interface) connector is removed. These connectors are provided with threaded portions at both ends and are installed in the casing of a computer or a control device in the form of: connecting the connector on the cable side to the connector on the machine side and setting them side by side The mounting screws on both ends of the connector on the cable side are respectively locked to the threaded portions on both ends of the connector on the machine side, thereby fixing the connection between the connector on the machine side and the connector on the cable side. Since this structure is different from the USB port, it cannot be compatible with the above-mentioned locking device.

So far, it is generally believed that there is no connector locking device that blocks and locks such connectors. Therefore, there is no accumulation of technology related to this kind of connector locking device, and there is no prior art document that should be described.

As mentioned above, in the state where there is no connector locking device corresponding to the "D-Sub", "DVI" and other connectors of the computer, the control device, etc., it will make the computer or the control device equivalently unprepared. Improper use of the control machine may cause various materials to be improperly obtained.

The present invention is intended to solve such a conventional problem, and its purpose is to simply block and lock such a connector, and it is difficult to release the lock after the lock, so as to achieve a highly reliable security.

In order to achieve the above object, the gist of the connector locking device of the present invention is: a connector locking device that locks the connection surface of the machine-side connector of the following connector form and the cable-side connector to lock it , The form of the connector is to connect the cable-side connector to the machine-side connector provided with threaded portions at both ends and installed in the housing of the electronic device, and connect the cable-side connector side by side to the cable side The mounting screws at both ends of the connector are respectively locked to the threaded portions at both ends of the machine-side connector, thereby fixing the connection between the machine-side connector and the cable-side connector; the connector locking device includes: a cylinder lock ( cylinder lock), which includes an outer cylinder and an inner cylinder rotatably housed inside, has a covering portion covering all or part of the connection surface of the aforementioned machine-side connector at the rear end, and has a covering portion at the front end The keyhole is locked and unlocked by inserting and removing the key from the keyhole, and is rotationally driven by the rotation operation of the key inserted into the keyhole; a special screw insertion portion is connected to the barrel The axis of the lock is parallel to the outer peripheral surface of the outer cylinder of the cylinder lock in a substantially cylindrical shape, and has a covering portion communicating with the screw portion at the rear end to cover and block the screw portion, and at the front end It has an opening; a special screw that is inserted and received in the special screw insertion part and can be locked in the screw part; and a locking cap that is linked to the front end side of the cylinder lock and is configured to be The rotation operation of the key rotates around the axis of the cylinder lock between the locking position on the opening at the front end of the special screw insertion part and the unlocking position away from the opening, and the opening can be opened and closed; wherein To prevent improper use of the machine-side connector, the connection surface of the machine-side connector is covered with the covering portion of the cylinder lock, and the special screw in the special screw insertion portion is locked to the thread Part, by which the connection surface of the covering part and the machine-side connector is fixed; and the key is inserted into the key hole of the cylinder lock and rotated, whereby the special screw is inserted with the locking cap The opening of the through part is closed, and the cylinder lock is locked by pulling the key out of the key hole, and the locking cap is locked to lock the covering part of the cylinder lock to the machine The connection surface of the side connector; when the machine-side connector is to be used, the key is inserted into the key hole to unlock the cylinder lock, thereby unlocking the lock cap and the covering of the cylinder lock Lock the connection surface of the machine-side connector, and remove the locking cap from the opening of the special screw insertion portion by rotating the key to open the opening; and by opening the The special screw in the special screw insertion portion is detached from the screw portion, and the fixing of the connection surface of the covering portion of the cylinder lock and the device-side connector is released.

Furthermore, the connector locking device preferably adopts the following configuration in each part.

(1) The outer cylinder of the cylinder lock and the special screw insertion part are integrally formed as a lock body.

(2) The covering part at the rear end of the cylinder lock is formed in a substantially cylindrical shape that can accommodate a part of the machine-side connector, and a part of the outer periphery of the covering part is provided to make the machine-side connector The remaining part of the is penetrated to the connector penetration part other than the aforementioned covering part.

(3) The cylinder lock is configured as a disc tumbler.

(4) The locking cap system includes: a cap rotation part that divides the front end side of the outer cylinder of the cylinder lock into a ring shape; and a cap part that forms a part of the outer peripheral surface of the cap rotation part as a convex It is formed in the same shape as the front end surface of the special screw insertion part with the opening; and by making the inner peripheral surface of the ring shape or the inner cylinder of the cylinder lock formed on the cap rotation part The engaging concave portion of any one of the outer peripheral surfaces is engaged with the engaging convex portion formed on the other, so that the cap rotating portion 41 can rotate integrally with the inner cylinder on the front end side of the outer cylinder.

According to the above-mentioned configuration, the connector locking device of the present invention prevents the improper use of the machine-side connector by covering the connection surface of the machine-side connector with the covering portion of the cylinder lock, and inserting special screws The special screw in the part is locked to the threaded part, thereby fixing the connection surface of the cover part of the cylinder lock and the connector on the machine side, and by rotating the key of the cylinder lock, the special screw insertion part is locked by the locking cap The opening of the door is closed, and the key is withdrawn from the key hole to lock the cylinder lock. By this, the locking cap is locked and the covering portion of the cylinder lock is locked to the connecting surface of the machine-side connector. When using the machine-side connector, insert the key into the key hole to unlock the cylinder lock, thereby unlocking the lock cap and the cover of the cylinder lock on the connection surface of the machine-side connector, and borrowing By the rotation operation of the key, the lock cap is removed from the opening of the special screw insertion part to open the opening, and by removing the special screw in the special screw insertion part from the threaded part, the covered part of the cylinder lock is released Fixing the connection surface with the connector on the machine side. In this way, the following special effects unique to the present invention can be achieved: connectors such as "D-Sub" and "DVI" including various electronic devices such as computers and control devices can be easily blocked and locked, and the unlocked can be released Locking is difficult, and high-reliability security can be achieved, and the connector locking device can be easily removed.

1‧‧‧ cylinder lock

2‧‧‧ Special screw insertion part (B lock body)

3‧‧‧Special screw

4‧‧‧Lock cap

10‧‧‧Outer cylinder (B lock body)

11‧‧‧Inner tube

12‧‧‧key

20‧‧‧Coated Department

21‧‧‧Head Holder

22‧‧‧Screw hole

23‧‧‧screw through hole

30‧‧‧Head

31‧‧‧screw shaft

40‧‧‧Snap recess

41‧‧‧Cap rotation part

42‧‧‧Cap

101‧‧‧Coated Department

102‧‧‧Kahegou

103‧‧‧DVI penetrating part (connector penetrating part)

110‧‧‧Keyhole

111‧‧‧Disc

112‧‧‧Snap convex part

210‧‧‧ opening

C‧‧‧Connector body

K1‧‧‧Connector on the cable side

K2‧‧‧Connector on the cable side

L‧‧‧Connector locking device

P‧‧‧Computer

S‧‧‧Thread

S0‧‧‧Mounting screw

S1‧‧‧ mounting screws

S2‧‧‧Mounting screw

FIG. 1 is a diagram showing the configuration of the connector locking device according to an embodiment of the present invention together with the configuration of a connector installed on a machine side such as a computer and a connector on a cable side, (a) is a slave connector Perspective view of the keyhole side of the locking device, (b) is a perspective view viewed from the opposite side of the keyhole of the connector locking device, (c) is an exploded perspective view of the connector locking device, (d) is the machine side Perspective view of the connector and the connector on the cable side.

Figure 2 is a diagram showing the structure of the connector locking device of Figure 1 and the key used in the device, (a) is an end view of the front end of the connector locking device, (b) is a top cross-sectional view of the connector locking device , (C) is a top view of the key.

FIG. 3 is a view showing the configuration of the lock body in the connector locking device of FIG. 1, in particular, (a) is an end view of the front end, (b) is a plan view, (c) is a plan cross-sectional view, (d) Is the right side view, (e) is the left side view, (f) is the end view of the rear end.

FIG. 4 is a perspective view showing the configuration of a special screw in the connector locking device of FIG. 1.

Fig. 5 is a view showing the configuration of the lock cap in the connector locking device of Fig. 1, (a) and (b) are perspective views, (c) is a front view, and (d) is a side sectional view, (e) is a side view, and (f) is a rear view.

FIG. 6 is a diagram showing an example of use of the connector locking device of FIG. 1, specifically, a state in which DVI is covered and locked by the connector locking device.

Using the drawings, a form for implementing the present invention will be described.

First, using FIG. 1(d), D-Sub and DVI as connectors installed on the machine side of the computer will be described.

As shown in FIG. 1(d), the D-Sub is a male-side connector installed on the back of the computer P, for example, and is composed of a substantially D-shaped columnar shape with a plurality of contactors arranged inside. Connector body C, and a mounting portion (not shown) in which the back portion of the connector body C extends in the longitudinal direction, and both ends of the mounting portion in the longitudinal direction are provided with: a threaded portion on the head (Female thread) S mounting screw S0. This D-Sub system allows the connector body C to penetrate the substantially rectangular fitting hole of the housing from the inside of the housing to protrude to the outside, and abuts the mounting portion to the inside of the housing, so that the two ends of the mounting portion C The mounting screw S0 passes through the screw insertion hole of the casing, and is locked into a nut (not shown) inside the casing, thereby being installed on the casing. In this way, the D-Sub installed on the machine side is plugged into the connector K1 on the cable side of the female connector, thereby connecting the computer P through the D-Sub and the cable side connector K1 With external equipment (not shown). Then, the mounting screws S1 provided side by side at the cable-side connector K1 are respectively locked to the threaded portions S at both ends of the D-Sub (the threaded portions S at the head of the mounting screw S0), thereby connecting the D-Sub to the cable The connection of the side connector K1 is fixed. In this way, even if the cable is pulled unexpectedly, there will be no poor contact between the D-Sub and the cable-side connector K1, or the cable-side connector K1 falls off from the D-Sub.

DVI is one of the interface specifications used to connect the computer and the monitor. As shown in Figure 1(d), it is roughly the same as D-Sub. For the DVI plug-in cable side connector K2, the DVI and the The cable-side connector K2 connects the computer P and the monitor (not shown), and the mounting screws S2 provided side by side at the cable-side connector K2 are respectively locked to the threaded portions S at both ends of the DVI, thereby connecting the DVI and the cable The connection of the line side connector is fixed.

Hereinafter, the connector locking device will be described using FIGS. 1 to 5.

As shown in Figure 1 and Figure 2, the connector locking device L is used to block and lock the connection surface of the connector on the machine side (D-Sub or DVI, the same below) and the cable side connector The cylinder lock 1 is provided with an outer cylinder 10 and an inner cylinder 11 rotatably housed inside, and has a rear end covering all or part of the connection surface of the machine-side connector The covered portion 101 has a key hole 110 at the front end, and is locked and unlocked by inserting and removing the key 12 into the key hole 110, and by rotating the key 12 inserted into the key hole 110 The barrel 11 is driven by rotation in the outer barrel 10; the special screw insertion part 2 is arranged in parallel with the outer circumferential surface of the barrel 10 outside the barrel lock 1 in a manner parallel to the axis direction of the barrel lock 1 into a substantially cylindrical shape, at the rear end It has a covering portion 20 that communicates with the screw portion S to cover and block the screw portion S, and has an opening 210 at the front end; the special screw 3 is inserted into the special screw insertion portion 2 and can be locked to the screw thread Part S; and the locking cap 4, which is linked to the front end side of the cylinder lock 1 and is arranged to be opened around the axis of the cylinder lock 1 at the front end of the special screw insertion part 2 by the rotation operation of the key 12 Turning between the locked position on 210 and the unlocked position separated from the opening 210, the opening 210 can be opened and closed.

As shown in FIG. 2(b), the cylinder lock 1 includes an outer cylinder 10 and an inner cylinder 11 rotatably housed inside, and a connection surface that can cover the machine-side connector is formed at the rear end of the outer cylinder 10 All or part of the covering portion 101 has an opening at the front end of the outer tube 10 to expose the key hole 110 provided in the inner tube 12.

In this embodiment, the cylinder lock 1 is configured as a disc tumbler type cylinder lock. As shown in FIG. 3, the outer cylinder 10 of the cylinder lock 1 is formed into a substantially cylindrical shape by plastic as the lock body B, and an engagement groove 102 that can be engaged with the inner cylinder 11 is formed on the inner circumferential surface thereof . The covering portion 101 at one end of the outer tube 10 is formed in a substantially cylindrical shape that can accommodate all or part of the device-side connector. The inner cylinder 11 is formed into a substantially cylindrical shape as shown in FIG. 2(b) by zinc alloy die-casting, and a plurality of discs 111 are arranged inside the inner cylinder 11, and the plurality of discs 111 are made of springs (Not shown) The potential energy is normally applied to protrude toward the inner circumferential surface of the outer cylinder 10. In this way, the inner cylinder 11 is rotatably housed inside the outer cylinder 10 without the key 12 (refer to FIG. 2(c)) inserted into the key hole 110 (that is, when the key 12 is detached) (In the state of ), the disc 111 in the inner cylinder 11 will be ejected toward the outer cylinder 10 by the spring and engaged with the engaging groove 102, which causes obstruction and becomes the locked state in which the inner cylinder 11 cannot rotate. When the key 12 is inserted into the key hole 110 from this state, the disc 111 will be pulled into the inner cylinder 11 from the outer cylinder 10 side to become the unlocked state in which the inner cylinder 11 can rotate, so that the rotation operation of the key 12 enables The inner cylinder 11 is rotationally driven in the outer cylinder 10. At this time, the inner cylinder 11 is set to be rotatable by 90° in the outer cylinder 10.

Furthermore, the outer cylinder 10 of the cylinder lock 1 and the special screw insertion part 2 are integrally formed into the lock body B by plastic. This point will be described later.

As shown in FIG. 3, the special screw insertion portion 2 is formed along the outer circumferential surface of the outer cylinder 10 of the cylinder lock 1 into a substantially cylindrical shape with openings at both ends. In this embodiment, the special screw insertion portion 2 is integrated with the outer peripheral surface of the outer cylinder 10 as a part of the locking body B, and is formed to be larger than the outer diameter of the screw portion S of the machine-side connector and is 10 The roughly cylindrical shape of the same length. The rear end of the inner peripheral surface of the special screw insertion portion 2 is formed as the covering portion 20 into a substantially cylindrical shape that can be externally fitted and can communicate with the middle diameter of the screw portion S of the machine-side connector, and the front end is round The opening 210 is set, and the predetermined range on the front end side serves as the head holding portion 21, and is formed so as to be fitted with the head 30 of the special screw 3 to be described later, and is formed to have substantially the same length as the head 30 and a larger diameter than the head The diameter of 30 is slightly larger than the roughly cylindrical shape of the large diameter. The intermediate portion between the covering portion 20 on the rear end side and the head holding portion 21 on the front end side is formed so as to include a screw hole 22 and a screw through hole 23 in such a manner that the screw shaft 31 of the special screw 3 can be inserted therethrough The screw hole 22 is a part of the rear end side, and the screw penetration hole 23 is the remaining part of the front end side.

As shown in FIG. 4, the special screw 3 is formed to include a head 30 and a screw shaft 31, and the whole can be inserted into the special screw insertion part 2, and the screw shaft 31 can be screwed to the thread of the machine-side connector Department S. At this time, the special screw 3 is configured to include: a cylindrical head 30, a head holding portion 21 that can be fitted to the front end side of the inner peripheral surface of the special screw insertion portion 2, and a screw shaft 31, which is scratched The center of the front end surface of the portion 30 protrudes and has a screw portion on the outer peripheral surface ranging from the front end to a predetermined length. The special screw 3 is inserted into the special screw insertion part 2 as a whole, and the head 30 is held by the head holding part 21, and the screw shaft 31 is passed through the screw through hole 23 and the screw hole 22 in the middle part, and the screw shaft 31. The front end side is protrudingly arranged in the covering portion 20.

As shown in FIG. 5, the locking cap 4 is configured to include: a cap rotating portion 41 that divides the front end side of the outer cylinder 10 of the cylinder lock 1 into a ring shape; and a cap portion 42 that is attached to the cap A part of the outer peripheral surface of the rotating portion 41 is formed in a convex shape, and is formed in a shape substantially the same as the front end surface of the special screw insertion portion 2 having the opening 210. By engaging the engaging concave portion 40 formed on the inner circumferential surface of the ring shape of the cap rotating portion 41 with the locking convex portion 112 formed on the front end side of the outer circumferential surface of the inner cylinder 11 of the cylinder lock 1 (refer to the second (B)), the cap rotating part 41 can rotate integrally with the inner tube 11 on the front end side of the outer tube 10. By the engagement of the engaging concave portion 40 and the latching convex portion 112, the lock cap 4 is connected to the inner cylinder 11 in conjunction with the front end side of the cylinder lock 1. By the rotation operation of the key 12 inserted into the key hole 110 of the cylinder lock 1, the cap rotation part 41 rotates together with the inner cylinder 11 around the axis of the cylinder lock 1, and the cap part 42 is attached to the special screw insertion part 2 The opening 210 of the front end opening 210 and the unlocking position separated from the opening 210 are rotated, and the opening 210 of the special screw insertion portion 2 can be opened and closed.

In this way, in this connector locking device L, in order to prevent the improper use of the machine-side connector, the connection portion 101 of the cylinder lock 1 is used to cover and close the connection surface of the machine-side connector, and a special screw is inserted into the portion The special screw 3 in 2 is locked to the screw part S on one side of the machine-side connector, thereby fixing the connection surface of the covering part 101 and the machine-side connector. Next, insert the key 12 into the key hole 110 of the cylinder lock 1 and perform a rotation operation, thereby closing the opening 210 of the special screw insertion portion 2 with the locking cap 4 and extracting the key 12 from the key hole 110 The cylinder lock 1 is locked out, and the lock cap 4 is locked and the covering portion 101 of the cylinder lock 1 is locked to the connection surface of the machine-side connector.

When using the machine-side connector, the key 12 is inserted into the key hole 110 to unlock the cylinder lock 1, thereby unlocking the lock cap 4 and the connection surface of the covering portion 101 of the cylinder lock 1 to the machine-side connector The lock is locked and the lock cap 4 is removed from the opening 210 of the special screw insertion part 2 by the rotation operation of the key 12 to open the opening 210. Next, by removing the special screw 3 in the special screw insertion portion 2 from the screw portion S, the connection surface of the cylinder lock 1 and the connection surface of the device-side connector are fixed.

Fig. 6 illustrates an example of use of this connector locking device L when it is used for DVI. In this example, the outer cylinder 10 of the lock body B of the connector locking device L is formed into a substantially cylindrical shape with an inner diameter slightly smaller than the dimension in the longitudinal direction of DVI and slightly larger than the dimension in the short-hand direction, and In order to allow the covering portion 101 at the rear end of the barrel 10 to contain a part of the DVI and allow the remaining portion of the DVI to pass out (release) outside the covering portion 101, a part of the outer periphery of the covering portion 101 (and The special screw insertion portion 2 is a part of the surface on the opposite side) cut into a substantially zigzag shape to provide a DVI penetration portion (connector penetration portion) 103 (refer to FIG. 3).

To prevent improper use of DVI by this connector locking 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 separated from the DVI The connecting surface and the one screw portion S are aligned, and the covering portions 101 and 20 are covered on the connecting surface of the DVI and the one screw portion S. At this time, a part of DVI (from one end in the longitudinal direction of DVI to about 2/3 of the whole) is covered and covered by the covering part 101, and the remaining part of DVI is penetrated through the DVI penetrating part 103 of the covering part 101 to Outside the covered part 101. Next, the special screw 3 in the special screw insertion portion 2 is locked into one of the screw portions S of DVI, and the connection surface of the cylinder lock 1 and DVI is fixed. Next, as shown in FIG. 6 (2), insert the key 12 into the key hole 110 of the cylinder lock 1 and rotate 90° to rotate the locking cap 4 together with the inner cylinder 11, and remove the cap 42 from the special screw The unlocked position where the opening 210 of the insertion portion 2 is separated is turned to the locked position on the opening 210 to block the opening 210, that is, cover the opening 210. Then, as shown in FIG. 6 (3), the cylinder lock 1 is locked by pulling the key 12 out of the key hole 110, and the locking cap 4 is locked by this locking, and the cylinder lock 1 is locked Lock on the DVI connection surface. By this locking, as shown in FIG. 6 (4), since the cap portion 42 of the locking cap 4 cannot be rotated from the locked position to the unlocked position, it is impossible to lock the special part of the screw portion S on one side of DVI The screw 3 is removed, and the covering portion 101 of the cylinder lock 1 covers and closes the connection surface of the DVI and is completely fixed. Therefore, it is impossible to insert the DVI into the cable-side connector, so it is impossible to take out various data in the computer P by the cable connection or operate DVI randomly.

Moreover, when using DVI, first, insert the key 12 into the key hole 110 of the cylinder lock 1 to unlock the cylinder lock 1 to unlock the lock cap 4 and the connection surface of the coating portion 101 of the cylinder lock 1 to DVI locking. Next, the key 12 is rotated by 90°, and the lock cap 4 is removed from the opening 210 of the special screw insertion portion 2 to open the opening 210. Then, the special screw 3 in the special screw insertion portion 2 is removed from the screw portion S, and the cylinder lock 1 is released to fix the connection surface of the covering portion 101 and DVI, and the connector locking device L is removed from the connection surface of DVI Remove. In this way, the cable-side connector can be connected to DVI.

In addition, when this connector locking device L is used for D-Sub, it is substantially the same.

As described above, this connector locking device L is configured to include: a cylinder lock 1 having a covering portion 101 covering all or part of the connection surface of the machine-side connector at the rear end; a special screw insertion portion 2 , The outer peripheral surface of the barrel 10 which is tied to the barrel lock 1 is juxtaposed in a substantially cylindrical shape, and has a covering portion 20 at the rear end; the special screw 3 is inserted into the special screw insertion portion 2 and can be locked in The threaded portion S of the machine-side connector; and the locking cap 4 are linked to the front end side of the cylinder lock 1 and can be rotated around the axis of the cylinder lock 1 by the rotation operation of the key 12 to turn special screws The opening 210 of the insertion portion 2 is opened and closed. In order to prevent the improper use of the machine-side connector, the covering portion 101 of the cylinder lock 1 is used to cover the connection surface of the machine-side connector, and the special screw 3 in the special screw insertion part 2 is locked to the threaded part S, by which the connection surface of the covering portion 101 and the machine-side connector is fixed, and the key 12 is inserted into the key hole 110 of the cylinder lock 1 to rotate, thereby locking the cap 4 to insert the special screw through the portion 2 The opening 210 is closed, and the key 12 is pulled out from the key hole 110 to lock the cylinder lock 1 and the locking cap 4 is locked, so as to lock the covering portion 101 of the cylinder lock 1 to the connection surface of the connector on the machine side . With this configuration, connectors such as "D-Sub" and "DVI" of various electronic devices such as computers and control devices can be easily blocked and locked, and unlocking after locking is difficult, and highly reliable security can be achieved. Moreover, when using the machine-side connector, insert the key 12 into the key hole 110 of the cylinder lock 1 to unlock the cylinder lock 1, thereby unlocking the lock cap 4 and the covering portion 101 of the cylinder lock 1 with respect to the machine side The connection surface of the connector is locked, and by rotating the key 12, the lock cap 4 is removed from the opening 210 of the special screw insertion part 2 to open the opening 210, and the special screw insertion part 2 The screw 3 is removed from the screw portion S, thereby releasing the fixing of the connection surface of the covering portion 101 of the cylinder lock 1 and the device-side connector. With this configuration, the connector lock device L can also be easily removed.

Furthermore, in this connector locking device L, the covering portion 101 at the rear end of the outer cylinder 10 of the cylinder lock 1 may also be formed into a substantially cylindrical shape that can accommodate a part of the connector on the machine side, and the covering portion A part of the outer periphery of 101 is provided with a connector penetration portion 103 for allowing the remaining part of the device-side connector to pass out of the covering portion 101. At this time, even when the connector on the machine side is large, especially when the length in the longitudinal direction is large, it is not necessary to adjust the size of the covering portion 101 at one end of the cylinder lock 1 to the size of the entire connector Therefore, the overall size of the connector locking device L can be miniaturized together with the covering portion 110 at the rear end of the cylinder lock 1.

In addition, in the connector locking device L, a special screw insertion portion 2 may be provided in parallel on the outer peripheral surface of the cylinder 10 outside the cylinder lock 1, and a special screw 3 may be inserted into the special insertion portion 2 , And the cover portion 101 at the rear end of the cylinder lock 1 covers the connection surface of the machine-side connector, and locks a special screw 3 to the screw portion S of one side of the machine-side connector, and locks the cap 4 The cap portion 42 of the cap covers the opening 210 of the special screw insertion portion 2. However, it may also be formed that two special screw insertion parts are symmetrically arranged on the outer peripheral surface of the cylinder 10 outside the cylinder lock, and each special screw is inserted into these special insertion parts, and the cylinder lock is used The covering part at one end covers and closes the connection surface of the machine-side connector, and two special screws are respectively fixed to the screw parts at both ends of the machine-side connector, and the openings of these special screws are inserted to lock the cap The cap portion (in this case, two cap portions symmetrically extending from the cap rotation portion) is covered. Even so, the same effect as the above embodiment can be exerted, and a more reliable locked state of the connector locking device can be obtained.

In addition, in this connector locking device L, although the outer cylinder 10 of the cylinder lock 1 and the covering portion 101 at the rear end thereof are formed into a substantially cylindrical shape, they may be formed into a rectangular cylinder shape, respectively, or The cylindrical shape of the outer periphery of the machine-side connector. Even so, the same effect as the above-mentioned embodiment can be exerted. In particular, when it is formed into a cylindrical shape that fits the outer peripheral shape of the device-side connector, the design effect can be improved.

In addition, in this connector lock device L, although the cylinder lock 1 is configured as a coil spring type cylinder lock, it may be configured as a pin spring (pin tumbler) type or other type cylinder lock. Even so, it is possible to exert the same effect as the above-mentioned embodiment.

Furthermore, in this connector locking device L, the locking cap 4 includes a cap rotating portion 41 and a cap portion 42, and an engaging concave portion 40 is formed on the inner circumferential surface of the cap rotating portion 41 to lock the cylinder A locking convex portion 112 is formed on the front end side of the outer peripheral surface of the inner cylinder 11 of 1, and by the engagement of these engaging concave portions 40 and the locking convex portion 112, the front end side of the outer cylinder 10 of the cylinder lock 1 is used The cap rotation part 41 is linked to the inner tube 11 in conjunction with it. However, it can also be contrary to this, 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 front end side of the outer peripheral surface of the inner cylinder of the cylinder lock, and by these locking convex portions and Engagement of the engagement concave portion links the cap rotating portion to the inner cylinder on the front end side of the outer cylinder lock. Even so, it is possible to exert the same effect as the above-mentioned embodiment.

1‧‧‧ cylinder lock

2‧‧‧ Special screw insertion part (B lock body)

3‧‧‧Special screw

4‧‧‧Lock cap

10‧‧‧Outer cylinder (B lock body)

11‧‧‧Inner tube

12‧‧‧key

20‧‧‧Coated Department

42‧‧‧Cap

101‧‧‧Coated Department

103‧‧‧DVI penetrating part (connector penetrating part)

110‧‧‧Keyhole

210‧‧‧ opening

L‧‧‧Connector locking device

P‧‧‧Computer

S‧‧‧Thread

Claims (5)

A connector locking device is to lock the connection surface of the machine-side connector of the following connector form and the cable-side connector and lock it. The form of the connector is: to connect the aforementioned cable-side connector to The machine-side connectors provided with threaded portions at both ends and installed in the casing of the electronic device, and the mounting screws provided at both ends of the cable-side connector side by side are respectively locked to the two ends of the machine-side connector The threaded portion thereby fixes the connection between the machine-side connector and the cable-side connector; the connector locking device includes: a cylinder lock, which includes an outer cylinder and an inner rotatably housed inside The barrel has a covering portion covering all or part of the connection surface of the machine-side connector at the rear end, and has a key hole at the front end, which is locked and unlocked by inserting and removing the key into the key hole, And is rotationally driven by the rotation operation of the key inserted into the key hole; the special screw insertion portion is provided in parallel with the outer circumferential surface of the outer cylinder of the cylinder lock in a manner parallel to the axis direction of the cylinder lock It has a substantially cylindrical shape, has a covering portion communicating with the threaded portion at the rear end to cover the threaded portion, and has an opening at the front end; a special screw is inserted through the special screw insertion portion and can be received Locked to the threaded portion; and a locking cap, linked to the front end side of the cylinder lock, and arranged to be able to rotate around the cylinder lock by the rotation operation of the key The axis rotates between the locking position on the opening at the front end of the special screw insertion part and the unlocking position away from the opening, and the opening can be opened and closed; where the improper use of the machine-side connector is prevented, The connection portion of the machine-side connector is covered and blocked with the covering portion of the cylinder lock, and the special screw in the special screw insertion portion is locked to the threaded portion, whereby the covering portion and the machine are locked The connection surface of the side connector is fixed; and the key is inserted into the key hole of the cylinder lock and rotated, whereby the opening of the special screw insertion portion is closed with the locking cap, and by Extract the key from the key hole to lock the cylinder lock, and lock the lock cap to lock the covering portion of the cylinder lock to the connection surface of the machine-side connector; when using the machine In the case of a side connector, the key is inserted into the key hole to unlock the cylinder lock, thereby unlocking the locking cap and locking the covering portion of the cylinder lock to the connection surface of the machine-side connector , And by rotating the key, the locking cap is removed from the opening of the special screw insertion portion to open the opening; and by inserting the special screw in the special screw insertion portion from the thread The part is removed, and the fixing of the connection surface of the covering part of the cylinder lock and the device-side connector is released. The connector locking device as described in item 1 of the patent application scope, wherein, The outer cylinder of the cylinder lock and the special screw insertion part are integrally formed as a lock body. The connector locking device as described in item 1 or 2 of the patent application, wherein the covering portion at the rear end of the cylinder outside the cylinder lock is formed in a substantially cylindrical shape that can accommodate a part of the connector on the machine side, In addition, a part of the outer periphery of the covering portion is provided with a connector penetration portion for allowing the remaining portion of the device-side connector to be pulled out to the outside of the covering portion. The connector locking device as described in item 1 or 2 of the patent application scope, wherein the cylinder lock is configured as a coil spring type cylinder lock. The connector locking device as described in item 1 or 2 of the patent application scope, wherein the locking cap includes: a cap rotation part that divides the front end side of the outer cylinder of the cylinder lock into a ring shape; and the cap The cover part is formed in a convex shape on a part of the outer peripheral surface of the cap rotation part, and is formed in a shape substantially the same as the front end surface of the special screw insertion part having an opening; The engaging concave portion of either the inner circumferential surface of the ring shape of the rotating portion or the outer circumferential surface of the inner cylinder of the cylinder lock is engaged with the buckle convex portion formed on the other to rotate the cap rotating portion (41) The system can rotate integrally with the inner cylinder at the front end side of the outer cylinder.

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