JPH08227759A - Separation preventing structure for cable connector - Google Patents

Abstract

PURPOSE: To provide a preventing structure in which the connecting or separating operation is facilitated, and the separation or half-separated state of a connector can be surely prevented by providing a specified separation preventing structure when a cable-side connector is engaged with a device-side connector. CONSTITUTION: This structure has a cable-side connector 16 having a stepped part 20 on a connector main body part 17 side separated from a plug part 15; a device-side connector 12 provided on a device side to receive the plug part 15; and a locking part 18 provided on a device cage body 10 so as to make contact with the stepped part 20 of the cable-side connector 16. The cable-side connector 16 is rotated by a proper angle after inserted to the device- side connector 12, whereby the locking part 18 is engaged with the stepped part 20 of the cable-side connector 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cable connector for inputting / outputting electric power and / or signals to / from electric / electronic devices, that is, a structure for preventing disconnection of a connector.

[0002]

2. Description of the Related Art Cables for transmitting and receiving electric power or signals in widely used electric and electronic devices are
It is connected via a connector, that is, a connector.

In such a connector, a linear cable-side connector 116 is usually connected to the device-side connector 112 by inserting it as shown in FIG.

Further, an L-shaped cable side connector 126 having a connector body portion bent at 90 degrees as shown in FIG. 14 is connected to the device side connector 122 by an inserting operation.

However, when the housing 110 is operated or moved, it is difficult to insert the plug into the jack due to an external force applied to the connector itself or the cable, or the connection part is disconnected or semi-disconnected. There was a chance

Therefore, the cable-side connector is gripped by using a clamp made of a wire-shaped or plate-shaped elastic body, and more importantly, in the connector of the device, a frame provided on the cable-side or device-side connector main body is used. A fixing means such as screwing after connection using a screw hole has been used.

In the structure of such a screw-type connector,
Although it can be securely fixed, the operation of screwing is complicated, and it is often the case that the screwing is omitted and only the plug-in connection is used, and the original function cannot be exerted.

Further, even in the structure of the connectors using the clamps of various structures, the situation is the same and the connecting operation is complicated.

Of course, when installing or moving the apparatus, if the connection or disconnection of the cables between the various apparatuses is performed by the connector, the operation which is too complicated is gradually avoided.
Not desirable.

If the connection of the connector is incomplete, the operation of the device is not ensured, and there is a possibility of causing a great inconvenience in information processing and other device operations.

[0011]

SUMMARY OF THE INVENTION The present invention avoids inconvenience such as poor connection due to disconnection or semi-disconnection of a connector without excessively complicated connecting or disconnecting operation of the conventional connector. An object of the present invention is to provide a disconnection prevention structure for a cable connector that can be used.

[0012]

According to the present invention, a plug portion 15 is provided.
A cable-side connector 16 having a step portion 20 on the connector body 17 side away from the device, a device-side connector 12 provided on the device side for receiving the plug portion 15, and a cable-side connector 16 Device casing 1 so as to abut the stepped portion 20 of
0 is provided, and the cable-side connector 16 is inserted into the device-side connector 12 and then appropriately rotated by an angle, so that the stopper 18 and the cable-side connector 16 are inserted. It is configured to be engaged with the step portion 20 of the.

Also, the plug portion 15 of the cable side connector 16 and the connector body portion 17 are L-shaped, forming a substantially right angle, and the back portion of the connector body portion 17 functions as a step portion 20. Characterize.

The plug portion 15 of the cable side connector 16
And the connector body 17 are formed in a substantially straight line,
A protrusion formed on a part of the peripheral surface of the connector main body 17 is formed as a step portion 20.

A holding projection 24 is provided in the cable guide groove 22 of the cable side connector 16 to prevent the cable from being detached.
Is formed.

Further, according to the present invention, the device side connector 1 to which the cable side connector 16 provided at the tip of the cable is connected.
In the electronic device including 2, the cable-side connector 16 connected to the device-side connector 12 is engaged with a part of the cable-side connector 16 in a state of being rotated at an appropriate angle, An engagement portion that restricts movement of the cable-side connector 16 in the attachment / detachment direction, and a cable guide groove 22 that accommodates the cable in a state where the cable-side connector 16 is rotated at the appropriate angle. , The cable side connector 1
6 is prevented from coming off from the device side connector 12.

[0017]

According to the disconnection prevention structure for the cable connector of the present invention, the tip of the plug portion 15 located in front of the cable-side connector 16 is brought into contact with the jack of the device-side connector 12,
Inserted over the specified size, then the cable side connector 1
The connector is connected by rotating 6 by a predetermined angle to engage the stepped portion 20 with the stopper portion 18 formed in the vicinity of the groove 14 of the apparatus housing 10.

By such connecting operation, the rear step portion 20 of the cable side connector 16 is engaged with the stopper portion 18 on the device side, and the disconnection or the semi-disconnection of the connector is reliably prevented.

This cable side connector 16 is used for the plug portion 1.
In the L-shape in which 5 and the connector main body 17 are bent substantially at right angles, the stepped portion 20 can be the back portion of the portion corresponding to the connector main body 17.

In this case, the stopper portion 18 formed on the apparatus-side casing 10 can be an edge portion of the groove 22 which is connected to the groove 14.

In using the connector according to the present invention,
After inserting the plug portion 15 into the jack portion of the device-side connector 12, the cable-side connector 16 may be rotated at an appropriate angle so that the step portion 20 engages with the stopper portion 18.

Further, the holding projection 24 formed near the surface of the cable housing groove 22 relaxes the external force applied to the cable, so that a more effective detachment prevention effect can be obtained.

Also, the plug portion 1 of the cable side connector 16
Even when 5 and the connector main body 17 are straight (straight) and the step portion 20 is a protrusion protruding to a part of the periphery of the connector main body, after inserting the plug portion 15, A stopper portion 18 formed on the apparatus housing 10 side with the protrusion portion
May be rotated over an appropriate angle to engage with.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described in detail below with reference to the accompanying drawings. The same components as those in FIG. 1 are designated by the same reference numerals.

FIGS. 1 and 2 show a disconnection preventing structure for a cable connector according to the present invention, FIG. 1 shows a state before the cable connector is connected, and FIG. It shows a state in which a cable connector is connected. As the cable, a cable for supplying power can be given.

In the figure, 10 is a housing of the apparatus, 12 is a device-side connector, 14 is a groove formed in the housing 10, 15 is a plug portion of a cable-side connector 16, 16 is a cable-side connector, 17 Is a connector body of the cable-side connector 16, 18
Is a stop formed on the cylindrical body 10, and 20 is a stepped portion of the cable side connector 16.

The device-side connector 12 of the information processing device or any other unspecified device housing 10 is arranged at a predetermined position such as a printed board (not shown) at one end of the groove 14 formed on the side surface or the bottom surface. .

The width and depth of the groove 14 are selected to accommodate the outer diameter of the cable side connector 16 with a margin.

A stop portion 18 is formed at a position in contact with the groove 14. The stopper 18 is provided on the cable side connector 16
Is selected at a position where it selectively comes into contact with the step portion 20 on the side of the connector main body 17 when joined to the device-side connector 12.

Here, the cable side connector 16 can be formed in an L shape in which the plug portion 15 and the connector body portion 17 are bent substantially at right angles. In this case, the back portion of the connector main body portion 17 which is bent substantially at a right angle can be the step portion 20.

Further, in the cable side connector 16, the plug portion 15 and the connector body portion 17 are formed in a substantially linear shape, and a step portion 20 is provided with a projection provided around an appropriate rear position as viewed from the plug portion 15. Can be

FIGS. 3 to 5 show a first embodiment according to the present invention, FIG. 3 is a perspective view showing a constitution of a connector before connection, and FIG. 4 shows connection of the connector. It is a perspective view which shows the structure of the state after doing, and FIG. 5 is a top view which shows the state after connecting a connector.

In the figure, 12 is a device side connector, 14 is a groove formed in the housing 10, 22 is a cable guide groove formed in the device side, 24 is a holding projection formed in the cable guide groove 22, 25 is a plug part of the cable side connector 26,
26 is a cable side connector, 27 is a cable side connector 26
Of the connector main body, 18 is a stopper formed on the housing 10,
Reference numeral 20 is a step portion of the cable side connector 26.

In the first embodiment according to the present invention, as shown in FIGS. 3 to 5, the cable side connector 26 is connected to the plug portion 2.
5 is an L-shaped connector in which the connector 5 and the connector body 27 are bent substantially at right angles.

As shown in FIG. 3, the cable side connector 26
The connecting operation of the connector is performed by aligning the tip of the plug portion 25 with the jack portion at the tip of the device-side connector 12 and applying a pressing force from the right end side of the groove 14 as indicated by a white arrow 30.

After the connecting operation of the connector is completed, as shown in FIG. 4, the step portion 20 formed as the back portion of the connector body 27 of the cable-side connector 26 is attached to the device as indicated by an arrow 32. It is rotated until it engages a stop 18 formed as a rear shoulder of a cable guide groove 22 formed on the side.

As a result, the connector body 27 of the cable-side connector 26 is housed in a state of being sandwiched by the cable guide groove 22 formed on the device side.

FIG. 6 is a side sectional view of the device relating to the disconnection prevention structure of the cable connector of the present invention, showing a state in which the cable connector 26 is housed in the cable guide groove 22.

As a result of this operation, as shown in FIG. 4, as long as the connector body 27 is housed in the cable guide groove 22, the cable-side connector 26 does not move in the attaching / detaching direction of the connector. .

As long as the engagement between the stopper portion 18 formed in the cable guide groove 22 on the device side and the step portion 20 formed by the connector main body portion 27 of the cable side connector 26 is maintained, No contact failure or the like due to separation or half separation of the side connector 26 occurs.

The holding projection 24 formed in the cable guide groove 22 for storing the cable shown in FIGS. 3 to 5 is for securely holding the cable in the cable guide groove 22.

The holding projection 24 formed in the cable guide groove 22 functions to reduce the external force applied to the cable and to reliably prevent the detaching direction acting force applied to the cable side connector 26. This effect can be expected in the other examples as well.

As shown in FIGS. 7 and 8, the cross section of the groove 14 formed in the housing has a cable-side connector 26.
The shape of the upper part of the connector main body 27 is matched.

With this configuration, the jack located at the tip of the device-side connector 12 and the plug portion 25 of the cable-side connector 26 can be reliably connected, and the cable-side connector 26 can be connected. The container body 27 can be easily housed in the cable guide groove 22 formed on the device side.

9 and 10 show a second embodiment according to the present invention, FIG. 9 shows a state before connecting the cable connector, and FIG. 10 shows the cable connector. Shows a state in which is connected.

In the figure, 12 is a device-side connector, 14 is a groove formed in the housing, 35 is a plug portion of the cable-side connector 36, 36 is a cable-side connector, and 37 is a connection of the cable-side connector 36. A main body portion, a stopper portion 38 formed on the housing, and a step portion of the cable side connector 36.

In the second embodiment according to the present invention, as shown in FIGS. 9 and 10, the cable side connector 36 is a straight type in which the plug portion 35 and the connector body portion 37 are formed in a substantially linear shape. That is the case.

The cable side connector 36 is formed with a step portion 40 having a part of the circumference thereof projected. When the plug portion 35 of the cable side connector 36 is inserted into the device side connector 12, a position on the device side that can be engaged with the step portion 40 is:
Stops 38 are formed.

When using this connector, the connection operation of the connector is performed by the cable-side connector 36 as shown by the white arrow in FIG.
It is performed by inserting the plug portion 35 of the above into the jack of the device side connector 12.

Then, the step portion 40 shown in FIG. 10 is rotated to the front side in the drawing, and the step portion 40 is engaged with the stopper portion 38. As a result, inconveniences such as poor contact due to disconnection or semi-disengagement of the cable side connector 36 are reliably prevented.

The cable connector shown in these embodiments is an example of a power supply connector (connector) for the device by the housing 10. Since it is assumed that the connecting portion rotates, it is a two-core connector, but a concentric connector for transmitting and receiving signals is also applicable.

The device to which the present invention is applied includes a charging device for a secondary battery incorporated in various portable information processing devices, a device for exchanging signals with a host device, and the like, but is also applicable to other devices. can do.

FIG. 11 is a view for explaining the structure of the device housing, and FIG. 12 is a bottom view of the device housing. In the figure, 5
Reference numeral 1 is an upper lid of the apparatus, and 52 is a fixing screw for the upper lid.

As shown in FIG. 11, the apparatus housing 10 has a hook portion formed at one end thereof, the upper lid 51 is detachably joined thereto, and the other side is fixed with a fixing screw so that the upper lid 51 is fixed. Configure.

As shown in FIG. 12, the screwing portion is provided in the cable guide groove 22 or the groove 14 of the housing, which is the portion for accommodating the power cable or the power cable connector. Therefore, when fixing the upper lid with the fixing screw 52, it is always necessary to touch the power cable or the power cable connector or remove them.

When disassembling the device, it is necessary to turn off the power switch or disconnect the power supply cable in order to prevent danger, but during work, turn off the power switch or It is easy to forget to disconnect the power supply cable.

With this configuration, it is necessary to always touch or remove the power cable or the power cable connector 16 when disassembling the apparatus, so that it is possible to reliably prevent danger during work. .

[0058]

As described above, according to the disconnection preventing structure of the connector of the present invention, the connector has a simple structure, and the operation for connecting or disconnecting is relatively easy. There is no difficulty in the operation of rotating the. Further, it is possible to reliably prevent the connector from being disengaged or semi-disconnected from the external force applied to the cable or the connector itself.

Therefore, as compared with the conventional detachment preventing means which is not fully utilized due to complicated operations such as the conventional clamp and screw fastening mechanism, a reliable detachment or semi-disengagement prevention effect is expected.

[Brief description of drawings]

FIG. 1 is a plan view showing a state before connection of a connector according to the present invention.

FIG. 2 is a plan view showing a state after connection of the connector according to the present invention.

FIG. 3 is a perspective view showing a state before connection of the connector according to the first embodiment of the present invention.

FIG. 4 is a perspective view showing a state after connection of the connector according to the first embodiment of the present invention.

FIG. 5 is a bottom view showing a state after connection of the connector according to the first embodiment of the present invention.

FIG. 6 is a side sectional view showing a state in which the cable side connector of the present invention is housed.

FIG. 7 is a front view illustrating the shape of the cross section of the groove formed in the housing and the shape of the upper portion of the connector main body.

FIG. 8 is a side view for explaining the cross-sectional shape of the groove formed in the housing and the shape of the upper portion of the connector main body.

FIG. 9 is a plan view showing a state before connection of the connector according to the second embodiment of the present invention.

FIG. 10 is a plan view showing a state after connection of the connector according to the second embodiment of the present invention.

FIG. 11 is a diagram illustrating a configuration of a device housing of the present invention.

FIG. 12 is a bottom view of the device housing of the present invention.

FIG. 13 is a perspective view showing a configuration example of a connector according to the related art and showing a state in which a linear connector is used.

FIG. 14 is a perspective view showing a configuration example of a connector according to a conventional technique and showing a state in which an L-shaped connector is used.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Device housing 12 Device side connector 14 Groove 15 Plug part 16 Cable side connector 17 Connector body part 18 Stopper part 20 Step part 22 Cable guide groove 24 Holding projection part 25 Plug part 26 Cable side connector 27 Connector body Part 35 Plug part 36 Cable side connector 37 Connector main body part 38 Stop part 40 Step part 51 Device case upper lid 52 Fixing screw

Claims (5)

[Claims] 1. A cable-side connector having a step portion on the connector body portion side away from the plug portion, a device-side connector provided on the device side for receiving the plug portion, and the cable-side connector. A stopper provided on the device housing so as to abut the stepped portion of the device, and the stopper by rotating the cable-side connector appropriately with respect to the device-side connector. A disconnection prevention structure for a cable connector, wherein the connection part and the step part of the cable side connector are configured to engage with each other. 2. The plug part of the cable-side connector and the connector body are L-shaped, forming a substantially right angle, and the back part of the connector body functions as a step. The detachment prevention structure for a cable connector according to claim 1. 3. The plug portion of the cable-side connector and the connector main body are formed in a substantially linear shape, and a protrusion formed on a part of the peripheral surface of the connector main body serves as a step. It is formed, The disconnection prevention structure of the cable connector according to claim 1. 4. The disconnection of the cable connector according to claim 1, wherein a retaining projection for preventing disconnection of the cable is formed in a cable guide groove of the cable-side connector. Prevention structure. 5. An electronic device comprising a device-side connector to which a cable-side connector provided at the tip of a cable is connected, wherein the cable-side connector connected to the device-side connector is rotated at an appropriate angle. In the moved state, an engaging portion that engages with a part of the cable side connector and restricts movement of the cable side connector in the attaching / detaching direction, and the cable side connector rotates at the appropriate angle. A cable guide groove for accommodating the cable in the opened state, and preventing the cable side connector from coming off the device side connector.