JPH06203918A - Static electricity protective connector device - Google Patents

Abstract

PURPOSE:To prevent application of static electricity to a signal pin, and prevent continuity between signal pins by forming a protective cover as a composite body of synthetic resin covers having plural holes and a metal cover to be in contact with a ground pin constantly. CONSTITUTION:A protective cover 12 is composed of a metal cover 10 comprising conductive material and to be in contact with a ground pin 18 constantly, and three synthetic resin covers 22 comprising insulation material and engaged in three engagement holes formed in the cover 10 respectively. Comb-like exposed grooves 22a are formed in each cover 22, and guide parts 22b are formed directed down between the grooves 22a. To the grooves 22a, pins 17 are guided with the guide parts 22b, and the pins 17 are exposed when they are close to a receptacle connector 11. Both end parts of the cover 12 are bent in an L-letter shape to be a bent part 23 to be engaged with an engagement groove 25. The bent part 23 has an engagement groove 23 to be engaged with a stop pawl 26 of the connector 11. This groove 23 is engaged with the pawl 26 to be movable up and down, thereby the cover 12 can be moved to be closer to/ apart from the connector 11.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to an antistatic connector device for preventing static electricity from being applied to a plurality of signal pins.

[0002]

2. Description of the Related Art As one type of connector device, there is known a connector device in which a circuit is not completed unless a detachable plug connector is connected. This connector was developed, for example, to prevent the car stereo from being stolen. A connector with many signal pins (socket connector, receptacle connector) is provided on the vehicle body side, and a plug connector is attached to this socket connector. Only when I did, the circuit as a car stereo was completed. The plug connector may have a function as an operation panel.

In this socket connector, a plurality of signal pins are exposed when the plug connector is removed. If, for example, static electricity charged on the human body is applied to the signal pin, the circuit may be damaged.

In order to solve this problem, there is already known an antistatic connector device in which a ground pin is provided in addition to the signal pin, and the ground pin is always brought into contact with a metal cover for protecting the signal pin. (Actual Kaihei 3-35672).
However, it has become clear that this antistatic connector device has the following new problems. That is, the metal cover that protects the signal pins is configured to open and close as the plug connector is attached and detached, and has a plurality of holes through which the plurality of signal pins project. So, for example,
When a plurality of signal pins are deformed and come into contact with the metal cover, an unnecessary and harmful circuit is inadvertently constructed.

[0005]

It is an object of the present invention to prevent static electricity from being applied to signal pins, and at the same time prevent static electricity from being accidentally conducted between signal pins based on the above-mentioned awareness of the problems of the conventional static electricity prevention connector device. The purpose is to obtain a connector device.

[0006]

SUMMARY OF THE INVENTION The present invention relates to a connector device in which a connector body is provided with a plurality of signal pins and at least one ground pin, and a protective cover for protecting the signal pins is provided so as to be contactable with and separable from the connector body. , The protective cover is composed of a synthetic resin cover having a plurality of holes for guiding the plurality of signal pins and exposing the signal pins when approaching the connector body, and a metal cover which is always in contact with the ground pin. It is characterized by having done.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to illustrated embodiments. FIG. 1 is a perspective view showing the entire antistatic connector device according to the present invention. This static electricity prevention connector device includes a receptacle connector (connector body) 11 to which a plug connector 13 having a plurality of terminals 20 can be attached and detached,
The receptacle connector 11 is provided so that it can come into contact with and separate from the receptacle connector 11,
It has a protective cover 12 that protects a plurality of signal pins 17 of the receptacle connector 11.

The receptacle connector 11 is formed to be long, and the ground pin 18 (FIGS. 4 to 7) and a plurality of signal pins 17 to be electrically connected to the terminals 20 of the plug connector 13 are fitted along the longitudinal direction thereof. A fitting groove 24 for fitting is formed. Fitting grooves 25 are formed at both ends of the receptacle connector 11, and locking claws 26 are formed in the fitting grooves 25. As shown in FIGS. 6 and 7, the receptacle connector 11 has a set of five signal pin groups on both sides, and a set of six signal pin groups between these two signal pin groups. The groups are arranged, and two ground pins 18 are arranged between each group of the signal pins 17. As shown in FIG. 2, the receptacle connector 11 is fitted in, for example, a car stereo chassis 15, and a large number of signal pins 17 thereof are connected to the body side of the car stereo.

The signal pin 17 is formed by bending several portions thereof, is fitted between the insulating portions 19, one end 17a thereof is projected outward, and the other contact portion 17b of the protective cover 12 is provided. It is inserted through the exposed groove 22a. Contact part 17
b has a biasing force in the direction of the arrow in FIG. 2 due to the presence of the bent portion 17c, and is set so as not to rise above the angle shown in FIG. 2 and protrudes from the exposed groove 22a of the synthetic resin cover 22. It is supposed not to. Also, multiple ground pins 1
8 also has a biasing force in the direction of the arrow in FIG. 4 due to the presence of the bent portion 18c. Since the ground pin 18 is arranged corresponding to the wall portion 10a (FIG. 6) that does not have a protruding groove such as the exposed groove 22a, when the protective cover 12 comes into contact with or separates from the receptacle connector 11. Due to the biasing force, the back surface 10b of the wall portion 10a can be always contacted (FIGS. 4 and 5). In addition, 21 is a positioning protrusion used when attaching to the body side of the car stereo,
Reference numeral 16 is a mechanical section.

The protective cover 12 is made of a metallic material which is a conductive material and is in constant contact with the ground pin 18.
And a metal cover 1 made of a synthetic resin material that is an insulating material
It is composed of three synthetic resin covers 22 that are fitted into the three fitting holes 10c formed in 0, respectively. Each of the synthetic resin covers 22 has a plurality of exposed grooves 22a formed in a comb shape.
A guide portion 22b is formed between the first and the second portions 22a and 22a. The exposed groove 22a is the guide portion 22.
The signal pin 17 is guided along with b, and the signal pin 17 is exposed when approaching the receptacle connector 11. Both ends of the protective cover 12 are bent in an L-shape to form a bent portion 23 that is fitted into the fitting groove 25. Each of the bent portions 23 has an engagement groove 23a that engages with the locking claw 26 of the receptacle connector 11. The engagement groove 23a is vertically long so as to be vertically movable in a state of being engaged with the locking claw 26, whereby the protective cover 12 can be brought into contact with and separated from the receptacle connector 11. It This protective cover 12 also
A compression spring 29 (FIG. 7) provided on the side of the receptacle connector 11 constantly urges upward.

The plug connector 13 has a plurality of terminals 20 to be in contact with a plurality of signal pins 17 protruding from the exposed groove 22a of the protective cover 12, and these terminals 20 are provided.
Are sandwiched by stepped portions 28 that are formed higher than the terminals 20 by a predetermined amount. The plug connector 13 is attached to the plate 14, and the receptacle connector 1
1, the terminal 20 is fixed to the signal pin 17 by attaching / detaching means (not shown).

In the antistatic connector device having the above structure, the plug connector 13 is fixed to the receptacle connector 11 and protected against the compression spring 29 as shown in FIG. 3 when the car stereo is usable. The cover 12 approaches the receptacle connector 11, and the contact portion 17b of the signal pin 17 projects from the exposed groove 22a of the synthetic resin cover 22. Therefore, the plurality of terminals 20 of the plug connector 13 can contact the corresponding signal pins 17. At this time, ground pin 1
As shown in FIG. 5, 8 is in contact with the back surface 10b of the metal cover 10 and is grounded, so that the problem that static electricity is applied to the signal pin 17 is reliably prevented.

In this state, when the attaching / detaching means is operated to remove the plug connector 13, the protective cover 12 is raised by the urging force of the compression spring 29 as shown in FIG. At this time, the signal pin 17 is released and stands up slightly, but does not protrude from the exposed groove 22a.

After that, when the plug connector 13 is reattached to the receptacle connector 11 for use in a car stereo or the like, the protective cover 1 is provided by the step portion 28 of the plug connector 13 that abuts the portion between the exposed grooves 22a and 22a.
2 is pressed downward against the compression spring 29. Then, the protective cover 12 is gradually lowered to expose the contact portion 17b of the signal pin 17 from each exposure groove 22a,
The terminal 20 of the plug connector 13 at the corresponding position
To contact. In this state, the plug connector 13 is fixed to the receptacle connector 11 by the attaching / detaching means. At this time, the ground pin 18 is pushed down on the back surface 10b of the lowered protective cover 12 and pushed down while being in contact with the back surface 10b as shown in FIG. To be prevented.

As described above, even if the signal pin 17 moves up and down by the attachment / detachment of the plug connector 13, the signal pin 1
7 always moves in the exposed groove 22a of the synthetic resin cover 22 which is an insulating material, and the exposed groove 22a and the guide portion 22b.
Since they are insulated from each other by the deformation, troubles such as inadvertent conduction between the signal pins 17 due to deformation or grounding of the signal pins 17 are reliably prevented.

[0016]

As described above, according to the static electricity prevention connector device of the present invention, it is possible to surely prevent static electricity from being applied to the signal pins, and moreover, a plurality of signal pins are inadvertently conducted. There is no.

[Brief description of drawings]

FIG. 1 is a perspective view showing an entire antistatic connector device according to the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG. 6 showing a detached state of the plug connector.

3 is a sectional view taken along line II-II in FIG. 6 showing a mounted state of the plug connector.

FIG. 4 is a sectional view taken along line IV-IV in FIG. 6 showing a detached state of the plug connector.

5 is a cross-sectional view taken along line IV-IV in FIG. 6 showing a mounted state of the plug connector.

FIG. 6 is a view of the antistatic connector device with the plug connector removed, as seen from the direction of arrow A in FIG.

FIG. 7 is a view of the antistatic connector device with the plug connector removed, as seen from the direction of arrow B in FIG.

FIG. 8 is a plan view showing a single protective cover.

FIG. 9 is a rear view showing the protection cover alone.

[Explanation of symbols]

 10 Metal Cover 10a Wall 10b Back 10c Fitting Hole 11 Receptacle Connector (Connector Body) 12 Protective Cover 13 Plug Connector 14 Plate 15 Chassis 16 Mechanical Part 17 Signal Pin 17a One End 17b Contact Part 17c Bent Part 18 Ground Pin 18a One End 18b Contact Part 18c Bent part 19 Insulating part 20 Terminal 21 Positioning protrusion 22 Synthetic resin cover 22a Exposed groove (hole) 22b Guide part 23 Bent part 24 Fitting groove 25 Fitting groove 26 Locking claw 28 Step part 29 Compression spring

Claims (2)

[Claims] 1. A connector main body having a plurality of signal pins and at least one ground pin; a protective cover for the signal pin that can be contacted and separated from the connector main body; An antistatic connector device comprising a synthetic resin cover having a hole that guides the pin and exposes the signal pin when approaching the connector body, and a metal cover that is in constant contact with the ground pin. . 2. The static electricity prevention connector device according to claim 1, wherein the plurality of signal pins are electrically connected to terminals provided on a plug connector which is detachable from the connector body.