JP2001023723A - Interface connector plug - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically unlock an interface connector plug having a hook plate spring type lock means, so that a connector and a plug are not damaged when exerted with an excessive force, while increasing the strength of the plug against connection. SOLUTION: A hook plate spring 2 is formed with a bulge part 2c and the rear end of the hook plate spring 2 is resiliently energized by a coil spring 7 at a predetermined supported position on a hood case 1 and is movably supported. The hood case 1 is provided with a rib 8 so that when the hook plate spring 2 moves in the connecting direction (A) of a connector, the rib 8 abuts on the bulge part 2c and presses the hook plate spring 2 inwards to unlock it. Thus, when an excessive force is imposed on a connection, the hook plate spring 2 is moved as it is pulled by an interface connector (receptacle), with the bulge part 2c abutting on the rib 8 and pressed inward of the plug to unlock it.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an interface connector plug for connecting a terminal device such as a portable telephone to peripheral equipment.

[0002]

2. Description of the Related Art As an interface connector plug for connecting a portable telephone and a peripheral device, a connector provided with a locking means using a hook leaf spring has been conventionally known.

FIG. 5 shows a schematic configuration of a conventional interface connector plug of a horizontal button horizontal hook type. This interface connector plug includes a hood case 1 (only a lower case is shown in FIG. 5) having a half-split structure, and a pair of left and right hook leaf springs 2 are provided along the left and right side walls of the hood case 1. 2 are incorporated. Each of the pair of left and right hook leaf springs 2, 2 has a hook portion 2a, 2a that is laterally directed at the tip, and each hook portion 2a, 2a is located at the front end position of the hood case 1 (position of a plug key (not shown)). The food case 1 is disposed so as to face outward in the width direction of the food case 1, and the base end thereof is the food case 1
Is fitted in a gap between a rear side wall and a rib 3 erected on the bottom surface of the hood case 1 adjacent to the rear side wall, and is cantilevered. Then, each hook leaf spring 2, 2
, Push buttons 4 and 4 are attached to the outside of the central portion, and these push buttons 4 and 4 are loosely fitted in side openings of the hood case 1 so that a pushing operation from outside can be performed. The pair of left and right hook leaf springs 2, 2, always have the hook portions 2 a, 2 a protruding outward from the side surface of the front end of the hood case 1 as shown in FIG. It operates so that 2a and 2a may be retracted inside the hood case 1.

[0005] In FIG. 5, reference numeral 5 denotes the operation fulcrum.
When this interface connector plug is inserted into the interface connector of the terminal device, the hook leaf spring 2
The two hook portions 2a, 2a project and are locked by the locking portions on the interface connector side and are locked. By pressing the push buttons 4, 4, the hook portions 2 a, 2 a
Is retracted and the lock is released.

FIG. 6 shows a schematic configuration of a hook leaf spring support portion of a conventional vertical push button vertical hook type interface connector plug. Also in this case, the interface connector plug also includes a hood case having an upper and lower half-split structure, and a pair of left and right hook leaf springs 2 and 2 (only one hook leaf spring 2 is shown) so as to extend along the inside of the left and right side walls of the hood case. ) Is incorporated.

The pair of left and right hook leaf springs 2
Each has a vertical hook portion 2a, 2a at the tip,
The hooks 2a, 2a are arranged at the front end of the hood case so as to face upward and outward in the height direction of the hood case. It is press-fitted and fixed to the key 6 and is cantilevered.

Each of the hook leaf springs 2 and 2 has a vertically projecting portion 2b at an upper intermediate position so as to be pushed downward by a push button provided on an upper case (not shown).

In the pair of left and right hook leaf springs 2, 2, the hook portions 2a, 2a normally protrude outward from the upper surface of the front end of the hood case, and push the push button downward at the position shown by a white arrow in FIG. When pressed, the hook leaf springs 2 and 2 are bent with the position indicated by the reference numeral 5 in FIG. 6 as an operation fulcrum, and the hook portions 2a and 2a move downward to be retracted inside the hood case.

When this interface connector plug is inserted into the interface connector of the terminal device, the hook portions 2a, 2a of the hook leaf springs 2, 2 project and are locked by the locking portions on the interface connector side and locked. By pressing the push button, the hook 2
a, 2a are retracted, and the lock is released.

[0010] Separately, Japanese Unexamined Patent Application Publication No. 10-200612 discloses that the housing and holding of a mobile phone in a holder body of a mobile phone holding device is made easy and reliable, and that the mobile phone is taken out. To facilitate the connection, the connector locking means for switching the connection between the telephone-side connector and the holder-side connector between a locked state and an unlocked state is provided by pushing the mobile phone into the telephone housing of the holder body. Is described in which the connection with the mobile phone is locked, and the locked state is released by pulling out the mobile phone from the holder body.

In Japanese Utility Model Application Laid-Open No. 61-141784, the pull-out piece for pulling out the electrical connector is always located on the outer peripheral side of the cable, so that the pull-out piece can be easily pinched by a finger. In the case of replacing a printed board or cable, etc., the removal work of the electrical connector can be performed smoothly,
A description is given of an electric connector in which the insertion / extraction property of the electric connector is improved.

[0012]

In recent years, as the penetration rate of mobile phones has increased, the use of mobile phones by connecting to various peripheral devices in vehicles has been increasing. In addition, charging of mobile phones directly using an AC adapter without using a charging stand is increasing. Therefore, there is a demand for improved connection reliability of an interface connector plug for connecting a mobile phone and a peripheral device.

[0013] However, the conventional horizontal button horizontal hook type interface connector plug or the vertical push button vertical hook type interface connector plug requires an excessive force when the connection resistance (hook strength) of the interface connector and the plug is improved. Can damage both the connector (receptacle) and the plug when it is added, and if the connection strength (hook strength) is reduced so as not to damage both the connector (receptacle) and the plug, the hook can easily escape As a result, the connection reliability of the interface connector and the plug is reduced.

The technique described in the above-mentioned Japanese Patent Application Laid-Open No. 10-200612 is not applicable to an interface connector plug having lock means that can be unlocked by a push button. Further, the technique described in Japanese Utility Model Application Laid-Open No. 61-141784 does not disclose a countermeasure when excessive force is applied, and does not suggest a solution to the above problem.

The present invention has been made to solve such a conventional problem, and can secure a connection strength (hook strength) with respect to an interface connector. Further, when an excessive force is applied, a connector (receptacle) and a connector (receptacle) are required. An object of the present invention is to provide an interface connector and a plug that do not damage both of the plug.

[0016]

SUMMARY OF THE INVENTION According to the present invention, there is provided an interface connector plug having a hook-plate spring-type locking means which can be unlocked by a push button, wherein the lock is automatically released when a predetermined force or more is applied. The configuration is as follows.

According to this, even if the connection resistance (hook strength) between the interface connector and the plug is increased, the lock is automatically released when an excessive force is applied, so that the connector (receptacle) and the plug can be disconnected. There is no damage to both sides, and therefore, a hook shape having a high connection resistance can be employed to improve connection reliability.

According to a first aspect of the present invention, there is provided an interface connector plug having a hook-plate spring-type locking means which can be unlocked by a push button. An interface connector plug provided with an unlocking means for pressing the hook leaf spring in the unlocking direction when the hook is pulled more than a distance from the interface connector. The interface connector plug has an increased connection resistance (hook strength) between the interface connector and the plug. However, when an excessive force is applied, the lock is automatically released, and it is possible to prevent damage to both the connector (receptacle) and the plug.

According to a second aspect of the present invention, there is provided a hood case, and a hook leaf spring which is cantilevered with the hook portion facing outward in the width direction of the hood case, wherein the hook portion of the hook leaf spring has the hook portion. A plug that is locked to the interface connector by protruding outward in the width direction, and is unlocked when the hook leaf spring is pressed inward between the hook portion and the operating fulcrum on the base end support portion side; The hook leaf spring has a bulging portion that bulges outward toward an inner side surface of the hood case as the distance from the connection direction with the interface connector increases, and the hook leaf spring is movable in a connection direction with the interface connector from a predetermined support position. The base end support portion is supported by the hood case via an elastic member, and the hood case includes the hook When the spring is at the predetermined support position, the hook plate spring is located in front of the bulging portion and is disengaged from the bulging portion, and the hook plate spring moves in the connection direction with the interface connector. An interface connector plug comprising a rib which comes into contact with the bulging portion of a spring and presses the hook leaf spring inward to release the lock.

According to this, when an excessive force is applied to the hook, the hook is pulled, and the hook leaf spring is connected to the interface connector (receptacle) from the predetermined support position in the hood case. Move to the interface connector (receptacle) side. The bulging portion of the hook leaf spring contacts the rib on the hood case side and is pressed inward (inside of the plug). When a force exceeding a predetermined level is applied, the hook is automatically released and the lock is released. Therefore, the hook part has connection strength (hook strength)
While the connector (receptacle) and the plug are not damaged by excessive force being released.

According to a third aspect of the present invention, there is provided a hood case, and a hook leaf spring which cantileverly supports the hook part outwardly in the height direction of the hood case, wherein the hook part of the hook leaf spring is The plug is locked to the interface connector by projecting outward in the height direction, and is unlocked when the hook leaf spring is pushed inward between the hook portion and the operating fulcrum on the base end support portion side. The hook leaf spring has a bulging portion that bulges outward toward the inner top surface of the hood case as the distance from the connection direction with the interface connector increases, and the hook leaf spring moves in a connection direction with the interface connector from a predetermined support position. The base end support portion is supported by the hood case via an elastic member so that the hood case can be connected to the hood case. The hook leaf spring is located in front of the bulging portion of the hook leaf spring in a state where the hook leaf spring is in the predetermined supporting position, and is disengaged from the bulging portion, and the hook leaf spring is moved in a connection direction with the interface connector. An interface connector plug comprising a rib which comes into contact with the bulging portion of the hook leaf spring and presses the hook leaf spring inward to release the lock.

Also in this case, when an excessive force is applied to the hook portion, the hook portion is pulled, and the hook leaf spring remains connected to the interface connector (receptacle). From the predetermined support position in the hood case to the interface connector (receptacle) side. The bulging portion of the hook leaf spring contacts the rib on the hood case side and is pressed inward (inside of the plug). When a force exceeding a predetermined level is applied, the hook is automatically released and the lock is released. For this reason, it is possible to prevent the connector (receptacle) and the plug from being damaged by releasing an excessive force while making the hook portion have a shape with high connection strength (hook strength).

According to a fourth aspect of the present invention, in the interface connector plug according to the second or third aspect, the elastic member is a coil spring. As the elastic member, for example, a coil spring can be used as described above.

According to a fifth aspect of the present invention, in the interface connector plug according to the second, third or fourth aspect, the hook leaf spring is provided between the hook portion and an operating fulcrum on the base end support portion side. It is configured to be pushed inward via the pushed push button. in this case,
By pressing the push button, the hook leaf spring can be pushed inward to release the lock.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to FIGS.

(First Embodiment) FIG. 1 and FIG.
FIG. 1 shows an entire structure of an interface connector plug according to a first embodiment of the present invention, and FIG. 2 shows a configuration and an operation of a hook leaf spring supporting portion of the interface connector.

The interface connector plug according to the first embodiment is an interface connector plug of a horizontal button horizontal hook type, and includes a hood case 1 having an upper and lower half structure including an upper case 1a and a lower case 1b. A pair of left and right hook leaf springs 2 are incorporated along the inside of the left and right side walls of the hood case 1.

Each of the pair of left and right hook leaf springs 2, 2 has a hook portion 2a, 2a at the tip end, and each hook portion 2a, 2a is located at the position of the plug key 6 at the front end of the hood case 1. Left and right ribs 3, 3, which are arranged so as to face outward in the width direction of the case 1, and whose base ends are provided on the bottom wall of the lower case 1 b of the hood case 1 in front of the rear side wall of the hood case 1 and the rear side wall. 1 and 2, elastically urged toward the rear side wall of the hood case 1 by the coil springs 7 and 7, and a position (predetermined support) that normally abuts on the rear side wall of the hood case 1 as shown in FIGS. Position), and is cantilevered in such a manner as to be movable in the connection direction with the interface connector (the direction of arrow A in FIG. 2).

The hook leaf springs 2 and 2 have push buttons 4 and 4 attached to the outside of the center, and these push buttons 4 and 4 are loosely fitted into side openings of the hood case 1 so that the push buttons 4 and 4 can be pushed from the outside. ing. These pair of left and right hook leaf springs 2,
2 is always in the state shown in FIG. 2 (one hook leaf spring 2).
Only the other hook leaf spring 2 is shown), and the hooks 2a and 2a protrude outward from the side surface of the front end of the hood case 1. When the push buttons 4 and 4 are pressed, the hooks 2a and 2a Operates so as to be retracted inside the hood case 1. In FIG. 2, reference numeral 5 is the operation fulcrum.

When this interface connector plug is inserted into an interface connector of a terminal device (not shown), the hook portions 2a, 2a of the hook leaf springs 2, 2 project and are locked by the locking portions on the interface connector side.
Locked. By pressing the push buttons 4, 4, the hooks 2a, 2a are retracted, and the lock is released.

The hook leaf springs 2, 2 are located closer to the base end than the push buttons 4, 4 (to the right in FIG. 2) from the direction of connection with the interface connector (not shown) (the direction of arrow A in FIG. 2). As the food case 1
A bulging portion 2c that bulges outward toward the inner side surface is formed.

When the hook leaf springs 2 and 2 are at the predetermined support position, the hood case 1 is located in front of the bulging portions 2c and 2c of the hook leaf springs 2 and 2 and extends from the bulging portions 2c and 2c. When the hook leaf springs 2 and 2 move in the direction of connection with the interface connector (the direction of arrow A in FIG. 2), they come into contact with the bulging portions 2c and 2c of the hook leaf springs 2 and 2 and A rib 8 is provided on the inner surface of the side wall portion so as to release the lock by pushing the inner side 2 (in the direction of arrow B in FIG. 2).

In FIG. 1, reference numeral 9 denotes a lead bushing. The lead wire bushing 9 is fitted into a rear opening of the hood case 1.

This interface connector plug is
When an excessive force is applied to the hooks 2a, 2a, the hooks 2a, 2a are pulled, and the hook leaf springs 2, 2 are connected to the interface connector (receptacle). Move from the support position to the interface connector (receptacle) side.
When the bulging portions 2c and 2c come into contact with the ribs 8 on the inner surface of the side wall portion of the hood case 1 and are pushed inward (inside the plug), the hook leaf springs 2 and 2 are automatically activated when a predetermined force or more is applied. The hook is released and the lock is released.

(Second Embodiment) FIG. 3 and FIG.
FIG. 3 shows the entire structure of an interface connector plug according to a second embodiment of the present invention, and FIG. 4 shows the structure and operation of a hook leaf spring support portion of the interface connector.

The interface connector plug according to the second embodiment is a vertical push button vertical hook type interface connector plug, and has a vertically divided hood case 1 comprising an upper case 1a and a lower case 1b.
And a pair of left and right hook leaf springs 2 are incorporated along the inner sides of the left and right side walls of the hood case 1.

Each of the pair of left and right hook leaf springs 2 has a vertical hook portion 2a, 2a at the tip, and each hook portion 2a, 2a is located at the position of the plug key 6 at the front end of the hood case 1. The food case 1 is disposed so as to face upward and outward in the height direction, is bent 180 degrees at the rear portion and extends downward and forward, and has a base end at the rear side wall of the food case 1 and below the food case 1 at the front of the rear side wall. Between the right and left ribs 3, 3 erected on the bottom surface of the case 2 b, coil springs 7,
7, it is elastically urged toward the rear side wall of the food case 1 and is normally held at a position (predetermined support position) in contact with the rear side wall of the food case 1 as shown in FIGS. 3 and 4. It is cantilevered in such a manner as to be movable in the connection direction with the interface connector (the direction of arrow A in FIG. 4).

The upper middle portions of the hook leaf springs 2 and 2 constitute a protruding portion 2b which is raised so as to be pushed downward by a push button 10 provided on the upper case 1a. The pair of left and right hook leaf springs 2, 2
When the push buttons 10a and 2a protrude outward from the upper surface of the plug key 6 at the front of the hood case 1 and push the push button 10 of the upper case 1a downward at the position indicated by the white arrow in FIG. With the position shown as an operation fulcrum, the hook leaf springs 2 and 2 are bent, and the hook portions 2a and 2a are lowered,
Operates to retract inside the hood case.

When this interface connector plug is inserted into an interface connector of a terminal device (not shown), the hook portions 2a, 2a of the hook leaf springs 2, 2 project and are locked by the locking portions on the interface connector side.
Locked. Also, by pressing the push button 10,
The hooks 2a, 2a retract and the lock is released.
In addition, the hook leaf springs 2 and 2 are provided with the upper case 1 in front of the protrusion 2b as the distance from the connection direction with the interface connector (the direction of arrow A in FIG. 4) increases.
A bulging portion 2c is formed so as to be inclined so as to approach the inner top surface of FIG.

When the hook leaf springs 2, 2 are at the predetermined support position, the hood case 1 is located substantially in front of the bulging portions 2c, 2c of the hook leaf springs 2, 2, and the bulging portions 2c, 2c When the hook leaf springs 2 and 2 move in the direction of connection with the interface connector (the direction of arrow A in FIG. 4), they come into contact with the bulging portions 2c and 2c of the hook leaf springs 2 and 2. Lower the hook leaf springs 2 and 2 inside (in the direction of arrow B in FIG. 4).
A rib 8 is provided in the portion of the plug key 7 so as to release the lock by pressing the plug 8.

In FIG. 3, reference numeral 9 denotes a lead wire bushing. The lead wire bushing 9 is fitted into a rear opening of the hood case 1.

This interface connector plug is
When an excessive force is applied to the hooks 2a, 2a, the hooks 2a, 2a are pulled, and the hook leaf springs 2, 2 are connected to the interface connector (receptacle). Move from the position to the interface connector (receptacle) side. When the bulging portions 2c and 2c come into contact with the ribs 8 of the plug key 7, the hook leaf springs 2 and 2 are automatically pushed downward (inside the plug), and when a force exceeding a predetermined level is applied, the hook leaf springs 2 and 2c are automatically turned on. The hook is released and the lock is released.

The interface connector plug according to the present invention is not limited to the first and second embodiments, but can be variously modified without departing from the technical idea of the present invention. .

The interface connector plug according to the present invention is suitable for connection between, for example, a mobile phone and a peripheral device, and can be applied as an interface connector plug for connecting various terminal devices including a mobile phone to a peripheral device. It is.

[0045]

According to the present invention as described above,
An interface connector plug equipped with a hook leaf spring-type locking means that can be unlocked by a push button.The hook shape with high connection resistance is adopted to improve connection reliability and automatically when excessive force is applied. The lock can be released to prevent damage to the connector and plug.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an interface connector plug according to a first embodiment of the present invention;

FIG. 2 is a partial cross-sectional view showing the configuration and operation of a hook leaf spring supporting portion of the interface connector shown in FIG. 1;

FIG. 3 is an exploded perspective view of an interface connector plug according to a second embodiment of the present invention;

FIG. 4 is a partial cross-sectional view showing the configuration and operation of a hook leaf spring supporting portion of the interface connector shown in FIG. 3;

FIG. 5 is a plan view showing a schematic configuration of a conventional horizontal button horizontal hook type interface connector plug with an upper case removed.

FIG. 6 is a partial sectional view showing a schematic configuration of a hook leaf spring support portion of a conventional vertical push button vertical hook type interface connector plug.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hood case 1a Upper case 1b Lower case 2 Hook leaf spring 2a Hook part 2c Swelling part 3 Rib 4 Push button 6 Plug key 7 Coil spring 8 Rib 10 Push button

Claims (5)

[Claims] 1. An interface connector plug having a hook-plate spring-type locking means that can be unlocked by a push button, wherein said hook connector is pulled over a predetermined distance while the interface connector plug is connected. An interface connector plug comprising an unlocking means for pressing a spring in an unlocking direction. 2. A hood case, comprising: a hook leaf spring which is cantilevered with a hook portion facing outward in the width direction of the food case, wherein the hook portion of the hook leaf spring projects outward in the width direction. A plug that is locked to the interface connector, and is unlocked when the hook leaf spring is pressed inward between the hook portion and the operating fulcrum on the base end support portion side. With a bulging portion that bulges outward toward the inner side surface of the hood case as it goes away from the connection direction with the interface connector,
The base end support portion is supported by the hood case via an elastic member so as to be movable in a connection direction with the interface connector from a predetermined support position. In the hood case, the hook leaf spring is at the predetermined support position. In this state, the hook leaf spring is positioned in front of the bulging part and is separated from the bulging part, and comes into contact with the bulging part of the hook leaf spring in a state where the hook leaf spring is moved in the connection direction with the interface connector. An interface connector plug having a rib for releasing the lock by pushing the hook leaf spring inward. 3. A hood case, and a hook leaf spring cantilevered with a hook portion facing outward in a height direction of the food case, wherein the hook portion of the hook leaf spring projects outward in the height direction. A plug which is unlocked by being pushed inward between the hook portion and the operating fulcrum of the base end support portion by being locked to the interface connector. Has a bulging portion that bulges outward toward the inner top surface of the hood case as the distance from the connection direction with the interface connector increases,
The base end support portion is supported by the hood case via an elastic member so as to be movable in a connection direction with the interface connector from a predetermined support position. In the hood case, the hook leaf spring is at the predetermined support position. In this state, the hook leaf spring is positioned in front of the bulging part and is separated from the bulging part, and comes into contact with the bulging part of the hook leaf spring in a state where the hook leaf spring is moved in the connection direction with the interface connector. An interface connector plug having a rib for releasing the lock by pushing the hook leaf spring inward. 4. The interface connector plug according to claim 2, wherein said elastic member is a coil spring. 5. The hook leaf spring is configured to be pressed inward via a push button provided between the hook portion and an operation fulcrum on the base end support portion side.
Or the interface connector plug described in 4.