JP2000058151A - Connection terminal for electronic equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enlarge a contact area with a mounting seat, and to simplify temporary holding and positioning to the mounting seat. SOLUTION: This connect terminal 12 fixed to a mounting seat 13a provided to a chassis of a facsimile device by a screw 14 comprises a cap-like terminal body 12a detachably fitted around the mounting seat 13a and a ground connecting part 12b which extends sideways from the terminal body 12a. The terminal body 12a is composed of a top board part 20 abutted against the upper surface of the mounting seat 13a, and plural side plate parts 21 bent at right angles from the periphery of the top board part 20 to contact with the sides of the mounting seat 13a. The respective side plate parts 21 are deformed elastically and slightly inclined inward. Here, an interval h between the tips of the facing side plate parts 21 is set slightly narrower than the width H of the mounting seat 13a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection terminal in electronic equipment such as a facsimile machine.

[0002]

2. Description of the Related Art FIG. 6 shows an example of a facsimile apparatus. It comprises a base unit 1 and a cordless handset 2, in which a receiving unit 3, a transmitting unit 4, a handset transmitting / receiving unit 5, and the like are provided. And a reading head 7 for reading information described on the document G. Further, the transmission section 4 has a platen roller 8 for sending out the thermal recording paper Pa from the roll paper P, and a thermal print head 9 pressed against the platen roller 8. Furthermore, the transceiver unit 5 for the slave unit
Are mounted on the printed circuit board 10.

In the above configuration, when the cordless handset 2 is used, radio waves leaking from a transmitting circuit (not shown) in the facsimile apparatus are received by the handset transmitting / receiving section 5 to suppress the reception sensitivity and to reduce the cordless handset. Making it difficult to receive radio waves from the device 2. In addition, a beat is generated by the radio wave of the cordless handset 2 and the radio wave leaking from the transmission circuit in the facsimile apparatus, and interferes with the audio signal received by the handset transceiver unit 5.

Therefore, a connection terminal 12 connected to the tip of a ground wire 11 extending from the handset transceiver unit 5 is connected to a chassis 13.
Is fixed to the mounting seat 13a provided with a screw 14 so that a current carrying noise from the slave transceiver unit 5 escapes to the chassis 13.

Conventionally, the connection terminal 12 is described in Japanese Utility Model Application Laid-Open No. 61-190668, and an example thereof will be described with reference to FIGS. 7 and 8. A ring-shaped terminal main body 12a mounted on the upper surface of the terminal body 13a; and a ground wire connecting portion 12b extending laterally from the terminal main body 12a.
The tip of the ground wire 11 is soldered 15, and the screw 14 is inserted into the through hole 17 of the terminal body 12 a through the washer 16.
The connection terminal 12 is fixed to the mounting seat 13a by screwing into the screw hole 18 of the mounting seat 13a.

[0006]

In the above-mentioned conventional configuration,
Since the terminal main body 12a of the connection terminal 12 is formed in a ring shape, and only the lower surface of the terminal main body 12a is brought into contact with the upper surface of the mounting seat 13a, the contact area is small.
It is difficult for the noise-carrying current from the ground wire 11 to the chassis 13 to escape.

Further, since there is no provision for temporarily fixing the connection terminal 12 to the mounting seat 13a, it is necessary to press the connection terminal 12 so as not to be separated from the mounting seat 13a when fastening with the screw 14, and to make the connection. It is necessary to maintain a state in which the through-hole 17 of the terminal 12 is aligned with the screw hole 18 of the mounting seat, and the fixing work is troublesome and troublesome.

The present invention has been made in view of the above-mentioned conventional drawbacks, and provides a connection terminal for electronic equipment which can provide a large contact area with a mounting seat and can be easily temporarily fixed and positioned on the mounting seat. It is intended to be.

[0009]

In order to achieve the above object, the invention according to claim 1 is a connection terminal fixed to a mounting seat in an electronic device by a screw, the connection terminal being detachably attached to the mounting seat. It is characterized in that it has a cap-shaped terminal main body fitted to the outside and a ground wire connecting portion extending laterally from the terminal main body.

According to the above configuration, since the terminal main body is formed in the shape of a cap, the contact area between the terminal main body and the mounting seat can be made large, so that the current can flow well.

According to a second aspect of the present invention, in the first aspect of the present invention, the terminal main body is bent at a right angle from a top plate abutting on an upper surface of the mounting seat and a peripheral edge of the top plate. And a plurality of side plate portions abutting on side surfaces of the mounting seat.

According to the above construction, by fitting the terminal body to the mounting seat, the plurality of side plates of the terminal body abut against the side surface of the mounting seat, and the top plate of the terminal body is mounted on the mounting seat. Can be easily positioned on the upper surface of the device.

According to a third aspect of the present invention, in the second aspect of the present invention, the plurality of side plate portions are configured to be elastically deformable, and each of the side plate portions is slightly inclined inward so as to face each other. The distance between the distal ends of the side plate portions is set to be slightly smaller than the width of the mounting seat.

According to the above configuration, since the mounting seat is elastically held by the plurality of side plates of the terminal body, the connection terminal can be easily temporarily fixed to the mounting seat.

According to a fourth aspect of the present invention, in any one of the first to third aspects of the present invention, conductive plating is applied to a surface of the terminal body facing the mounting seat.

According to the above configuration, the flow of current between the connection terminal and the mounting seat can be further enhanced by the conductive plating applied to the mounting seat facing surface of the terminal body.

According to a fifth aspect of the present invention, in the invention according to any one of the first to fourth aspects, the electronic device comprises a facsimile device, and a tip of a ground wire extending from a transceiver for the slave unit in the facsimile device. The terminal is connected to the ground wire connection portion, and the terminal body is fixed to the mounting seat provided on a chassis in the facsimile apparatus by a screw.

According to the above configuration, the noise-carrying current from the slave transceiver unit of the facsimile apparatus can be effectively released to the chassis.

[0019]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 to 4 show a fixed state of a connection terminal 12 in a facsimile apparatus according to an embodiment of the present invention, in which a cap-shaped terminal main body 12a and a lateral side from the terminal main body 12a are shown. And an extended ground connection portion 12b. In the configuration other than the above, the same portions as those of the conventional example shown in FIGS. 7 and 8 are denoted by the same reference numerals, and description thereof will be omitted.

The terminal body 12a is made of a conductive metal plate, and has a mounting seat 13a provided on a chassis 13 (see FIG. 6).
A rectangular top plate portion 20 having substantially the same shape as the rectangular upper surface, and four side plate portions 21 that are bent at right angles from the periphery of the top plate portion 20 and abut against the side surface of the mounting seat 13a, Each of the side plate portions 21 is configured to be elastically deformable, and each of the side plate portions 21 is slightly inclined inward (see the imaginary line in FIG. 1). 13a is set slightly smaller than the width H. Also, the top plate 20
A through hole 17 is formed in the center of the mounting hole 13 so as to coincide with the screw hole 18 of the mounting seat 13a.

As shown in the development of FIG. 4, the ground connection portion 12b is formed by forming a pair of slits 22 at a predetermined interval in one side plate portion 21 and forming a pair of tongue pieces between the slits 22. Have been.

In the above configuration, when the connection terminal 12 is fixed to the mounting seat 13a, the connection terminal 12 is gripped and the end of each side plate portion 21 is attached to the mounting seat 13a as shown by the phantom line in FIG. From above. As a result, the end of each side plate portion 21 is pushed apart, and the terminal main body 12a is externally fitted to the mounting seat 13a. Next, the screw 14 is passed through the through hole 17 of the terminal body 12a through the washer 16 to attach the mounting seat 13a.
May be screwed into the screw hole 18.

In this case, since the terminal main body 12a is formed in a cap shape and the contact area between the terminal main body 12a and the mounting seat 13a is large, the current carrying noise from the handset transceiver unit 5 of the facsimile apparatus is transmitted. It can escape to the chassis 13 effectively.

The top plate 20 is positioned on the upper surface of the mounting seat 13a by bringing each side plate 21 into contact with the side surface of the mounting seat 13a, and the through hole 17 of the top plate 20 and the mounting seat 13a And the screw hole 18 can be concentrically matched.

Further, since the mounting seat 13a is elastically held by each side plate portion 21, the connection terminal 12 is connected to the mounting seat 13a.
Can be temporarily fixed easily.

As shown in FIG. 5, it is preferable to apply a conductive plating 23 such as chrome plating to the surface of the terminal body 12a facing the mounting seat (another embodiment).

According to the above configuration, the flow of current between the connection terminal 12 and the mounting seat 13a can be further increased by the conductive plating 23.

In the above-described embodiment, an example has been described in which the noise-carrying current is released from the slave transceiver unit 5 of the facsimile apparatus to the chassis 13, but the present invention is not limited to this. To the connection terminal 12 of the electronic device.

[0029]

According to the first aspect of the present invention, since the terminal main body is formed in the shape of a cap, the contact area between the terminal main body and the mounting seat can be made large, so that the current can flow well.

According to the second aspect of the present invention, when the terminal body is externally fitted to the mounting seat, a plurality of side plate portions of the terminal body abut against the side surface of the mounting seat, and the top plate of the terminal main body is provided. The part can be easily positioned on the upper surface of the mounting seat.

According to the third aspect of the present invention, since the mounting seat is elastically held by the plurality of side plates of the terminal body,
The connection terminal can be easily temporarily fixed to the mounting seat.

According to the fourth aspect of the present invention, the flow of current between the connection terminal and the mounting seat can be further increased by the conductive plating applied to the mounting seat facing surface of the terminal body.

According to the fifth aspect of the present invention, the current carrying the noise from the transceiver for the slave unit of the facsimile apparatus can be effectively released to the chassis.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a fixed state of a connection terminal in a facsimile apparatus according to an embodiment of the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is an exploded perspective view of the same.

FIG. 4 is a development view of the terminal body.

FIG. 5 is a longitudinal sectional view showing a fixed state of a connection terminal in a facsimile apparatus according to another embodiment of the present invention.

FIG. 6 is a side view of the facsimile machine.

FIG. 7 is a longitudinal sectional view showing a conventional example.

FIG. 8 is a plan view of the same.

[Explanation of symbols]

 5 Transceiver unit for slave unit 11 Ground wire 12 Connection terminal 12a Terminal body 12b Ground connection unit 13 Chassis 13a Mounting seat 14 Screw 20 Top plate 21 Side plate 23 Conductive plating

Claims (5)

[Claims] 1. A connection terminal fixed to a mounting seat in an electronic device by a screw, the cap-shaped terminal main body being detachably fitted to the mounting seat, and a ground wire extending laterally from the terminal main body. A connection terminal for an electronic device, comprising: a connection portion. 2. A top plate portion in which the terminal body is in contact with an upper surface of the mounting seat, and a plurality of side plates which are bent at a right angle from a peripheral edge of the top plate portion and are in contact with a side surface of the mounting seat. 2. The connection terminal for an electronic device according to claim 1, wherein the connection terminal comprises: 3. The plurality of side plate portions are configured to be elastically deformable, and each side plate portion is slightly inclined inward,
3. The space between the front ends of the opposed side plates is set slightly smaller than the width of the mounting seat.
The connection terminal for electronic equipment described. 4. The connection terminal for an electronic device according to claim 1, wherein a conductive plating is applied to a surface of the terminal body facing the mounting seat. 5. The electronic device comprises a facsimile device, wherein the ground wire connection portion is connected to a tip of a ground wire extending from a slave transceiver unit in the facsimile device, and is provided on a chassis in the facsimile device. The connection terminal for an electronic device according to any one of claims 1 to 4, wherein the terminal body is fixed to a mounting seat with a screw.