JP2018120713A - Connector lock device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector lock device made less likely to take a space even in a case where the device is attached to an OBD connector or other connector and, furthermore, hindering fraudulent access via the connector.SOLUTION: A connector lock device 3 comprises: a housing part 30; a pair of lock arms 40 passing through opposite faces 32 of the housing part 30; and a pair of support shafts 34 supporting each lock arm 40 in the housing part 30 so as to be swingable. In addition, the connector lock device 3 comprises a lock part 50 set so as to be rotatable in a key movable hole 36 formed in a surface of the housing part 30. Each lock arm 40 is formed sufficiently long to be insertable in small holes 18 located at both ends among a plurality of small holes 18 formed by providing a plurality of ribs 17 in the insertion hole 15 and along the lengthwise direction of an opening of an insertion hole 15, and has a hook part 43 hooked around an edge part of the corresponding small hole 18 when the lock part 50 is rotated to a locking position.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a connector locking device.

  A program for a self-diagnosis function is programmed in an ECU (Electrical Control Unit) attached to each part of the vehicle. And the OBD connector (female connector) used in order to take out a self-diagnosis result from this ECU is installed in the position which can be connected from the vehicle interior space side. OBD is an abbreviation for On-Board Diagnostics.

On the other hand, as a connector lock device that prevents unauthorized access to the ECU using the OBD connector, for example, there is an OBD connector protective cover described in Patent Document 1.
The OBD connector protective cover includes a main body that can accommodate the entire OBD connector, and a lock mechanism that fixes the lid and the main body.

Japanese Patent No. 5083924

  However, since the OBD connector protective cover described in Patent Document 1 is formed in a size that allows the main body portion to accommodate the entire OBD connector, if the OBD connector is attached to the OBD connector, the main body portion takes up space and becomes an obstacle was there. Moreover, the OBD connector protective cover requires time for attachment.

  It is an object of the present invention to provide a connector locking device that is difficult to occupy even when attached to an OBD connector or other female connector, and that prevents unauthorized access to the female connector.

  The connector locking device according to claim 1, wherein a rectangular parallelepiped insertion hole into which a flat projection of a male connector can be inserted is formed, and the insertion surface side of the insertion hole where the insertion hole opens. Attached to the female connector in which a plurality of small holes are formed in the insertion hole by providing a plurality of ribs with a gap along the longitudinal direction of the opening of the insertion hole on the back side as viewed from A connector locking device that suppresses attachment of an unauthorized object to a female connector, the housing having a facing surface that faces the mounting surface when the female connector is locked, and the inside of the housing It extends in parallel through the opposing surface, and is extended so that it can be inserted into the insertion hole when the mounting surface and the opposing surface face each other, and the opposing surface contacts the mounting surface. The housing part is the female mold When arranged with respect to the nectar, a pair of lock arms extended to a length through which the tips pass through the small holes respectively positioned at the tips inserted into the insertion holes, and surfaces including both the lock arms A pair of support shafts that support the lock arms in the casing so that the lock arms can swing so that the lock arms can swing, and the lock arms can swing when unlocked. A lock portion that fixes each lock arm so as to be substantially perpendicular to the facing surface when operated, and the lock arm includes the housing portion so that the facing surface contacts the mounting surface. When the lock part is locked with respect to the female connector, the hook part is hooked to the edge part that forms the small hole.

  When locking a female connector using the connector locking device of the present invention, first, the opposing surface of the housing portion of the connector locking device is inserted into the insertion hole of the female connector while the locking arm is inserted into the female connector. An operation to bring the position close to the mounting surface is performed.

  Then, when the mounting surface of the female connector comes into contact with the opposing surface of the housing portion, each lock arm is inserted into each corresponding small hole, and at this time, an operation of rotating the lock portion to the locking position is performed. .

  Then, the hook part with which each lock arm part is provided is hooked on the edge part of a small hole, and the connector locking device of this invention locks a female connector. At this time, the connector locking device of the present invention covers the mounting surface of the female connector and locks the female connector.

  Therefore, when the female connector is locked, the connector locking device of the present invention covers the mounting surface of the female connector and locks the female connector. For example, an unauthorized male connector is connected to the female connector. Unauthorized access to the female connector can be prevented.

  In the connector locking device of the present invention, when the female connector is locked, each lock arm is inserted into the insertion hole, and only the housing portion is stacked on the female connector. Compared to covering the case, it does not take up space.

  Therefore, the connector locking device of the present invention is difficult to take up even when attached to the female connector.

It is explanatory drawing of an OBD connector, (a) is a top view, (b) is a front view, (c) is a bottom view, (d) is a left view. In (b) and (d), the insertion hole is shown in a transparent view. Further, in (b), the ribs and small holes are also shown in a transparent view. It is explanatory drawing for demonstrating a mode that the connector locking device of embodiment is connected to an OBD connector, (a) is a perspective view before a connection, (b) is a perspective view after a connection. BRIEF DESCRIPTION OF THE DRAWINGS It is explanatory drawing of the connector locking device of embodiment, (a) is a perspective view which shows the whole, (b) is a top view, (c) is CC sectional drawing of (b), and sectional drawing at the time of rocking | fluctuation (D) is CC sectional drawing of (b), sectional drawing at the time of fixation, (e) is a perspective view which shows the back surface side of the middle case of a housing | casing part. It is explanatory drawing for demonstrating a mode that the female connector was locked with embodiment connector locking device, (a) is a top view, (b) is BB sectional drawing of (a), Comprising: Section at the time of rocking | fluctuation (C) is a bottom view, (d) is a BB sectional view of (a) and is a sectional view when fixed, and (e) is a bottom view.

Prior to describing the connector locking device of this embodiment, an OBD connector to be locked by the connector locking device of this embodiment will be described with reference to FIG.
As shown in FIG. 1, the OBD connector 1 is a female connector, and the main body 10 is formed in a rectangular parallelepiped shape as a whole. However, although the lower half 11 of the main body 10 has a rectangular parallelepiped shape, the upper half 12 is formed in a trapezoidal shape when viewed in plan as shown in FIG. It is formed in a size located inside the contour. The main body 10 is formed into a line-symmetric shape on the left and right of a line passing through the center of the trapezoid upper and lower bases formed by the upper half 12 of the main body 10 when viewed in plan.

  The OBD connector 1 has a direction perpendicular to the thickness direction 13 at the center in the thickness direction 13 (direction perpendicular to the upper and lower bases of the trapezoid formed by the upper half 12) when viewed in plan. An insertion hole 15 formed in a long shape along the line 14 is opened.

  As shown in FIGS. 1B and 1D, the insertion hole 15 is a rectangular parallelepiped hole into which a flat projection that is a guide provided with a male connector can be inserted. The insertion hole 15 penetrates through the main body 10 and opens at the top and bottom of the main body 10. The surface where the insertion hole 15 opens at the upper half 12 of the main body 10 is attached below. Called surface 16.

  A plurality of insertion holes 15 are provided in the innermost part (the side in which the lower half 11 is viewed from the upper half 12 of the main body 10) when viewed from the mounting surface 16 side, along the longitudinal direction of the opening of the insertion hole 15. The rib 17 is provided. As shown in FIGS. 1A to 1C, the ribs 17 are provided to form a plurality of small holes 18 in the insertion hole 15. These ribs 17 are provided to increase the strength of the OBD connector while suppressing dents during molding.

  Two ribs 17 are provided on each of the left and right sides of the central rib 17. Since these ribs 17 are provided at the innermost side when viewed from the mounting surface 16 side, the openings of the insertion holes 15 opened on the lower half 11 side of the main body portion 10 are arranged such that the openings of the plurality of small holes 18 are arranged in a straight line. It has an open shape.

Next, exemplary embodiments of the present invention will be described.
The connector lock device 3 of the present embodiment is a device that suppresses the attachment of an unauthorized object (such as an unauthorized male connector) to the OBD connector 1.

  As shown in FIG. 2A, the connector lock device 3 mainly includes a housing portion 30 and a pair of lock arms 40. Then, the connector lock device 3 inserts a pair of lock arms 40 into the insertion holes 15 of the OBD connector 1 so that the housing 30 is mounted on the mounting surface 16 of the OBD connector 1 as shown in FIG. Overlaid to lock the OBD connector 1.

Hereinafter, the connector lock device 3 and attachment of the connector lock device 3 to the OBD connector 1 will be described with reference to FIGS. 3 and 4.
As shown in FIG. 3, the housing portion 30 provided in the connector lock device 3 is formed in a rectangular parallelepiped shape that is slightly larger than the main body portion 10 of the upper half 12 of the OBD connector 1, and the upper and lower surfaces are formed in a trapezoid shape. Has been. When attaching the connector locking device 3 to the OBD connector 1, the casing 30 is attached so that the lower surface of the trapezoidal surface faces the attachment surface 16. Note that when the connector locking device 3 is attached to the OBD connector 1, the surface of the housing portion 30 that faces the mounting surface 16 is hereinafter referred to as a facing surface 32, and the surface that forms the housing portion 30 is opposite to the facing surface 32. The side surface is referred to as the surface 35.

  The casing 30 is formed in a shape in which an upper case 37, a middle case 38, and a lower case 39 are stacked from the surface 35 side toward the facing surface 32 side. Among these, the upper case 37 and the middle case 38 are formed in a flat plate shape and are thinner than the lower case 39.

  The pair of lock arms 40 is formed in an L shape and is arranged as follows. Specifically, each lock arm 40 is configured such that the end of the long side portion 41 in the housing portion 30 is bent vertically in the housing portion 30 with respect to the long side portion 41 formed in a straight bar shape. By forming the short side portion 42, it is formed in an L shape.

  The long side portion 41 of each lock arm 40 passes through the center of the thickness direction 49 of the facing surface 32 of the housing 30 (the direction passing through the center of the upper and lower trapezoids formed by the facing surface 32), and the thickness direction And extending perpendicularly and parallel to the opposing surface 32 through the opposing surface 32 at symmetrical positions equidistant from the line connecting the centers of the upper and lower bases of the opposing surface 32. It is done.

Further, the long side portion 41 of each lock arm 40 is extended so as to be insertable into the insertion hole 15 when the mounting surface 16 and the facing surface 32 face each other (FIGS. 4B and 4D). )reference).
Further, the long side portion 41 of each lock arm 40 is inserted into the insertion hole 15 when the housing portion 30 is arranged with respect to the OBD connector 1 so that the opposing surface 32 contacts the mounting surface 16. Each of the small holes 18 is extended to a length passing through the small holes 18 positioned at both ends.

  A hook 43 is formed at the tip of the long side portion 41 of each lock arm 40 so as to be hooked to the edge forming the small hole 18. These hooking portions 43 project from the tip of the long side portion 41 so as to face the opposite side of the paired lock arm 40.

  Further, the long side portions 41 of the lock arms 40 are formed such that the rear end side is thick and the front end side is narrow at the front end side where the hooking portion 43 is formed and the rear end side which is swingably attached to the support shaft. Has been.

The lock arms 40 are arranged such that the tips of the short side portions 42 are in contact with each other in the housing unit 30.
Further, the long sides 41 of these lock arms 40 are fixed so as to be swingable by the support shafts 34 provided in the housing 30.

These support shafts 34 swingably support the lock arms 40 so that the lock arms 40 swing on the surfaces including the lock arms 40.
The housing unit 30 includes a lock unit 50.

  The lock part 50 is formed in a disk shape and is rotatably installed in a key movable hole 36 formed in the surface 35. As shown in FIGS. 3 (c) and 3 (d), the lock portion 50 is provided with a thin portion 51 on the outer periphery, and this thin portion 51 is connected to the recess portion 37 a provided in the upper case 37 and the middle portion. By being sandwiched between the case 38 and the case 38, the key 38 is rotatably installed in the key movable hole 36.

As shown in FIG. 3A, the locking portion 50 is formed with a meshing groove 52 on the surface that can be seen from the surface 35 side so that a dedicated key meshes with the connector locking device 3.
As shown in FIG. 3 (e), on the back side of the lock portion 50 (inside the housing portion 30), there is one groove portion 54 passing through the central axis, and the inside of the housing portion 30 on both sides of the groove portion 54. Protrusions 56 formed in a triangular shape protruding to the side are formed.

The lock portion 50 is disposed immediately above a portion where the short side portion 42 of each lock arm 40 is bent in the vertical direction in the housing portion 30 and attached.
When the lock portion 50 is rotated to the unlocked position, as shown in FIG. 3C, the portion where the short side portions 42 of each lock arm 40 are brought together fits into the groove portion 54, and each lock arm 40 is supported by each support arm 40. The shaft 34 swings around the fulcrum.

  If the connector locking device 3 is attached to the OBD connector 1 at this time, each lock arm 40 swings, as shown in FIGS. 4 (d) and 4 (e). Can be removed.

  On the other hand, when the lock portion 50 is rotated to the locked position, as shown in FIG. 3D, each projection 56 pushes the short side portion 42 of each lock arm 40, and each lock arm 40 has a long side portion. 41 are fixed in parallel to each other and perpendicular to the facing surface 32.

  If the connector locking device 3 is attached to the OBD connector 1 at this time, each locking arm 40 is fixed, and as shown in FIGS. 4 (b) and 4 (c), the edge forming the small hole 18 is fixed. The hook 43 of the lock arm 40 is hooked.

In addition, the housing unit 30 includes an operation unit 60 for unlocking as shown in FIG.
The operation unit 60 includes a lever portion 62 that protrudes from the front side surface of the housing unit 30. Further, as shown in FIGS. 3C and 3D, a holding portion 64 that moves up and down when the lever portion 62 is operated up and down is provided inside the housing portion 30. When the lever portion 62 is operated, the holding portion 64 pushes up the short side portions 42 of the lock arms 40 and moves the tips of the long side portions 41 of the lock arms 40 toward each other. Accordingly, it is possible to explain the engagement between the hook 43 that has been hooked on the edge forming the small hole 18 and the edge of the small hole 18.

When the OBD connector 1 is locked by the connector lock device 3 configured as described above, the OBD connector 1 is attached by operating as follows.
First, the lock unit 50 is operated with a dedicated key so that the lock unit 50 is positioned at the unlocked position, and each lock arm 40 is allowed to swing.

  Then, the long side portion 41 of each lock arm 40 is inserted into the insertion hole 15, and the casing 30 is brought close to the OBD connector 1 so that the tip of the long side portion 41 of each lock arm 40 enters the small holes 18 at both ends. . At this time, the lock arms 40 are moved toward each other in order to pass the hooks 43 provided at the tips of the long side portions 41 of the lock arms 40.

  If the housing | casing part 30 contacts the OBD connector 1, the lock part 50 will be operated with a special key, and the lock part 50 will be located in a locking position. Then, the long side portion 41 of each lock arm 40 spreads to the left and right and is fixed in a state perpendicular to the opposing surface 32, and the hook portion 43 of each lock arm 40 is hooked on the edge of each small hole 18 so that the connector The locking device 3 locks the OBD connector 1.

On the other hand, when the OBD connector 1 locked by the connector lock device 3 is unlocked, it is removed as follows.
First, the lock unit 50 is operated with a dedicated lock key to place the lock unit 50 in the unlocked position. At this time, when the OBD connector 1 is locked by the connector lock device 3 of the present embodiment, the tip of the long side portion 41 of each lock arm 40 may be caught in each small hole 18 and may not come off. In this case, the lever part 62 is operated next. Then, the hooking portion 43 of each lock arm 40 is detached from the edge of each small hole 18 and falls inward, so that each lock arm 40 comes out of each small hole 18.

  Thereafter, when the connector lock device 3 is removed from the OBD connector 1 so that the long side portion 41 of each lock arm 40 is removed from the insertion hole 15, the lock of the OBD connector 1 by the connector lock device 3 is released.

The connector lock device 3 described above has the following characteristic operational effects.
When the OBD connector 1 is locked, the connector locking device 3 of the present embodiment covers the mounting surface 16 of the OBD connector 1 and locks the OBD connector 1. For example, an unauthorized male connector is connected to the OBD connector 1. Unauthorized access to the OBD connector 1 can be suppressed.

  Further, in the connector lock device 3 of the present embodiment, when the OBD connector 1 is locked, each lock arm 40 is inserted into the insertion hole 15, and the casing 30 is only stacked on the OBD connector 1. Compared with the case where the OBD connector 1 is entirely covered, it does not take up much space.

Therefore, even if the connector lock device 3 of this embodiment is attached to the OBD connector 1, it is difficult to take a place.
Since the connector lock device 3 of the present embodiment can be locked and unlocked only with a dedicated key, once the OBD connector 1 is locked, the lock cannot be easily released.

  The lock part 50 of the connector lock device 3 according to the present embodiment has a protrusion 56 protruding to the inner side of the housing part 30. When the lock part 50 is located at the lock position, the protrusion 56 It is a very simple structure in which it is located at a position where it is parallel by pressing 40, and when the lock portion 50 is located at the unlocked position, the contact with each lock arm 40 is released. Therefore, the connector lock device 3 of this embodiment can be assembled very easily.

  In the connector lock device 3 of the present embodiment, when the lever portion 62 is operated, the short side portion 42 of each lock arm 40 is pushed up and the tip of the long side portion 41 of each lock arm 40 moves in a direction approaching each other. Even if the hooking portion 43 is hooked on the edge of the small hole 18, it will come off. Therefore, the connector locking device 3 according to the present embodiment can be easily removed from the OBD connector 1 even when each lock arm 40 is caught in each small hole 18 when unlocking by operating the operation unit 60. Can do.

  Each lock arm 40 is formed such that the rear end side is thick and the front end side is thin at the front end side on which the hook portion is formed and the rear end side that is swingably attached to the support shaft. Therefore, even if the housing part 30 is beaten with a hammer or the like, each lock arm 40 is not easily broken because the rear end side is thick. Moreover, since the tip of each lock arm 40 is thin, the tip can be smoothly inserted into the small hole 18.

In the connector lock device 3 according to the present embodiment, the casing 30 is formed in a shape in which an upper case 37, a middle case 38, and a lower case 39 are stacked, and a lock portion 50 is provided with a thin portion 51 provided on the outer periphery. By being rotatably sandwiched between the case 37 and the middle case 38, it is rotatably installed in the key movable hole. Therefore, since the lock part 50 can be rotatably installed only by sandwiching the thin part 51 of the lock part 50 between the upper case 37 and the middle case 38, assembly is easy.
[Other Embodiments]
Although the embodiment has been described above, it is needless to say that the invention described in the claims is not limited to the above embodiment and can take various forms.

(1) In the above embodiment, an example in which the casing 30 is formed of a synthetic resin has been described. However, for example, the middle case 38 may be formed of iron.
(2) In the above embodiment, the example in which each lock arm 40 is inserted into the small holes 18 at both ends has been described. However, each lock arm 40 is inserted into the small holes 18 other than the small holes 18 at both ends. It may be attached to the housing part 30.

  (3) In the above-described embodiment, the plurality of ribs 17 are formed at the innermost side when viewed from the mounting surface 16 side in the insertion hole 15. However, if the male connector guide can be inserted, the insertion hole is within that range. You may provide in the attachment surface 16 side rather than the innermost part in 15. FIG.

DESCRIPTION OF SYMBOLS 1 ... Connector, 3 ... Connector locking device, 10 ... Main-body part, 15 ... Insertion hole, 16 ... Mounting surface,
17 ... Rib, 18 ... Small hole, 30 ... Housing part, 32 ... Opposite surface, 34 ... Support shaft, 35 ... Surface,
36 ... key movable hole, 37 ... upper case, 37a ... recess, 38 ... middle case,
39 ... Lower case, 40 ... Lock arm, 43 ... Hook part, 50 ... Lock part, 51 ... Thin part,
52 ... meshing groove, 54 ... groove part, 56 ... projection part, 60 ... operation part, 62 ... lever part,
64: The upper part.

Claims (6)

A rectangular parallelepiped insertion hole into which a flat projection of the male connector can be inserted is formed, and among the insertion holes, the insertion hole is formed on the back side when viewed from the mounting surface side where the insertion hole opens. A plurality of ribs are provided along the longitudinal direction of the opening so as to be attached to the female connector in which a plurality of small holes are formed in the insertion hole, and the unauthorized object is attached to the female connector. A connector locking device to inhibit,
A housing portion having a facing surface that faces the mounting surface when locking the female connector;
It extends in parallel through the opposing surface from the inside of the housing part, and extends so as to be insertable into the insertion hole when the mounting surface and the opposing surface are opposed to each other. When the housing portion is arranged with respect to the female connector so as to be in contact with the mounting surface, the length of the tip portion passes through each small hole that is positioned at the tip inserted into the insertion hole. A pair of locked arms,
A pair of support shafts for supporting each lock arm in the housing so as to be swingable so that each lock arm swings on a surface including each of the lock arms;
A lock portion that enables each lock arm to swing when unlocked, and locks each lock arm to be substantially perpendicular to the opposing surface when locked.
With
Each of the lock arms is
When the housing portion is arranged with respect to the female connector so that the facing surface comes into contact with the mounting surface, when the lock portion is locked, the hook portion is hooked to the edge portion that forms the small hole. A connector locking device. The connector locking device according to claim 1,
The lock part is
A disk is formed and is rotatably installed in a key movable hole formed on the surface opposite to the facing surface among the surfaces constituting the housing portion, and a dedicated key is provided on the connector lock device. A meshing groove for meshing is formed on the surface visible from the surface side,
A connector lock device that enables the pair of lock arms to swing when rotated to the unlocked position, and fixes the pair of lock arms to be substantially perpendicular to the opposing surface when rotated to the locked position. In the connector locking device according to claim 2,
The lock part is
Having a protrusion protruding on the inner side of the casing,
The protrusion is
When the lock portion is located at the locking position, the lock arms are pushed and positioned in parallel positions, and when the lock portion is located at the unlocked position, contact with the lock arm is released. . In the connector locking device according to claim 2 or 3,
The housing portion is
The upper case, middle case, and lower case are formed from the front side toward the opposite side.
The lock part is
A connector lock device that is rotatably installed in the key movable hole by sandwiching a thin wall portion provided on the outer periphery between the upper case and the middle case. In the connector locking device according to any one of claims 1 to 4,
Each of the lock arms is
The rear end side is bent in the casing and formed into an L shape,
It is swingably attached to the housing part via the support shaft so that the tip of the short side of each lock arm, which is a bent part in the housing part, is attached.
A connector lock device comprising an operation unit that, when operated, pushes up each short side of each lock arm and moves the tip of each lock arm in a direction approaching each other. In the connector locking device according to any one of claims 1 to 5,
Each of the lock arms has a connector lock device in which the rear end side is thick and the front end side is formed in a thin shape between the front end side on which the hook portion is formed and the rear end side that is swingably attached to the support shaft. .

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