JP3087025B2 - Cassette type connector and unit for connection between adjacent units - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector and a unit for electrically connecting adjacent units.

[0002]

2. Description of the Related Art Conventionally, when electrically connecting adjacent units, means shown in FIG. 11 has been employed.
That is, the terminal blocks 31 are attached to the back surfaces of the units 1, 2, 3, and 4, and the cables 32 and the like are fixed one by one between the required portions of the adjacent terminal blocks 31 one by one. The connectors 34 fixed to the units 1 to 4 are connected by a flat ribbon cable 35.

Conventionally, as shown in FIG. 12, the rear surfaces of the units 1 to 5 and the like have been connected to the connectors 42 of a backboard 41 attached to a housing (rack).

[0004]

The above-mentioned prior art requires a considerable amount of labor and time for connection work, and is expensive. Furthermore, in the above-mentioned conventional technique, as the number of cables increases, the risk of erroneous wiring increases, and as the cable length increases, a large space is occupied and workability decreases.

Accordingly, the present invention improves on the disadvantages of the above-mentioned prior art, and enables a simple electrical connection between adjacent units, a reduced risk of erroneous wiring, and a compact connector. And a unit connected by this connector.

[0006]

The present invention employs the following means to solve the above-mentioned problems.

(1) A frame, a contact holder housed in the frame and having a guide pin, an actuator housed in the frame and driving the contact holder out of the frame, A cassette type connector for connection between adjacent units, which is housed in the frame body and comprises a spring for restoring the contact holding body toward the frame body.

(2) The cassette type connector for connection between adjacent units according to (1), wherein the actuator is a rotary cam.

(3) The cassette type connector for connection between adjacent units according to (2), wherein the rotary cam is driven by a handle.

(4) The cassette type connector for connection between adjacent units according to (1), wherein the actuator is a slider.

(5) The cassette type connector for connection between adjacent units according to the above (4), wherein the contact holding body and the slider are provided with saw-like teeth which engage and disengage with each other.

(6) The cassette type connector for connection between adjacent units according to (4), wherein a lever capable of being folded and raised is attached to the slider.

(7) A unit having a land provided in contact with the contact of the cassette type connector for connection between adjacent units described in (1) above, and a substrate provided with a hole for inserting a guide pin.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Two embodiments of the present invention will be described with reference to the drawings.

First, a first embodiment of the present invention will be described with reference to FIGS.

In FIG. 1, a total of five units 1 to 5 are arranged adjacent to each other. Each unit is fixed by appropriate means. Unit 1
Since the cassette type connector 7 is not inserted into the connector insertion hole 6 between the unit 1 and the unit 2, the unit 1 and the unit 2 are not electrically connected. The cassette type connector 7 is inserted halfway between the unit 2 and the unit 3. Although the cassette type connector 7 has been inserted between the unit 3 and the unit 4, it is not electrically connected. The cam 8 is electrically connected between the unit 4 and the unit 5 because the cam 8 is brought into contact with the contact and the land of the substrate by rotating the handle 9 rightward by 90 degrees as described later.

In FIG. 3A showing a three-sided view of the cassette type connector 7 shown in FIG. 2 and a cross section taken along line AA of FIG. 2A, the contact holder 10 has contacts 11-1.
3 and a guide pin 14 are provided, and the cam 8 is provided with a handle 9. Contact holder 10 and frame 15
Between them, a compression spring 16 is interposed, and the contact holding body 10 is constantly pressed downward by the compression spring 16 (see FIG. 4).

FIG. 3A is a sectional view showing a state where the cassette type connector 7 is inserted between the unit 3 and the unit 4 in FIG. The contacts 11 to 13 are of three different types depending on the signal, high current, and ground applications. When the handle 9 is rotated clockwise by 90 degrees in this state, the cam 8 moves the contact holding body 10 as shown in FIG.
It is raised aiming at the state of (b). Then, first, the four guide pins 14 provided on the contact holder 10 are provided.
Are inserted into predetermined holes formed in the substrates 17 on the units 3 and 4 side, and position the contacts 11 to 13 and lands (not shown) of the substrates 17. Next, the contacts 11 to 13 further rise to reach the state shown in FIG.
Units 3 and 4 are in contact with the lands of each substrate 17
Are electrically connected.

The contact 13 is a ground contact, and is the first of the contacts 11 to 13 to be the substrate 1.
Connect with 7.

At this time, the cassette type connector 7 is locked because the four guide pins 14 are inserted into the predetermined holes formed in each substrate 17. Therefore, in this state, the cassette type connector 7 cannot be removed from the units 3 and 4.

FIG. 4 is a cross-sectional view taken along the line BB in FIG. 2A, a cross-sectional view taken along the line CC, and a state in which the cam 8 is rotated clockwise 90 degrees from the cross-sectional view taken along the line CC. Is a virtual cross-sectional view drawn continuously for convenience. The compression spring 16 is installed from a spring installation port 18. In the state of the cross section CC at the center in FIG. 4, when the cam 8 is rotated clockwise by 90 degrees, the state reaches the right side, and the contact holding body 10 is lifted to bring the contacts 11 to 13 into contact with the lands of each substrate 17. .
When the handle 9 is returned to the original position, the contact holder 10
FIG. 3A shows the state of the cross section CC at the center due to the expansion force of the compression spring 16 and the reaction force of the contacts 11 to 13.
The state is forcibly restored. In this state, since the four guide pins 14 are opened in the respective substrates 17 and detached from the predetermined holes, the cassette type connector 7 is
4 can be removed.

Although the cam 8 of the first embodiment has a notched circular shape, it can be modified into an elliptical shape or a heart shape.

Next, a second embodiment of the present invention will be described with reference to FIGS.

In FIG. 5, a total of five units 1 to 5 are arranged adjacent to each other. Each unit is fixed by appropriate means. Unit 1
Since the cassette type connector 21 is not inserted into the connector insertion hole 6 between the unit 1 and the unit 2, the unit 1 and the unit 2 are not electrically connected. A cassette type connector 21 is provided between the unit 2 and the unit 3.
Is inserted halfway. Unit 3 and unit 4
Between them, the cassette type connector 21 has been inserted, but is not electrically connected. By pushing a lever 24 rotatably mounted on the slider 22 by a shaft 25 in the direction of the arrow between the unit 4 and the unit 5, the slider 22 contacts the contact and the land of the substrate as described later. Connected.

In FIG. 6A and FIG. 7A showing a sectional view of the cassette type connector 21 shown in FIG. 6 and a cross section taken along the line A--A in FIG.
13 and the guide pin 14 are provided with saw-like teeth 27,
The slider 22 is provided with saw-like teeth 23 and a lever 24. Spring retaining member 29 fixed to frame 15
A compression spring 28 is interposed between the contact holding body 26 and the contact holding body 26, and the contact holding body 26 is constantly pressed downward by the compression spring 28 (see FIG. 8). Frame 15
Is provided with a taper 30 at one corner to prevent erroneous insertion (upside down) into the unit.

FIG. 7 shows a state where the insertion of the cassette type connector 21 between the unit 3 and the unit 4 is completed and the slider 22
FIG. 4 is a cross-sectional view showing the driving method of FIG. In the state shown in FIG. 7A, the saw-like teeth 23 provided on the slider 22 and the saw-like teeth 27 provided on the contact holding body 26.
Are engaged. When the lever 24 attached to the slider 22 is pushed in the direction of the arrow, the slope of the saw-tooth 23 pushes up the slope of the saw-tooth 27 and the slider 22
Raises the contact holding body 26 toward the state of FIG. 7B. Then, first, the four guide pins 14 provided on the contact holding body 26 are inserted into predetermined holes formed in the substrates 17 on the units 3 and 4 side, and the contacts 11 to 13 and the land of each substrate 17 are landed. (Not shown). Next, the contacts 11 to 13 further rise to reach the state shown in FIG. 7B, come into contact with the lands of each substrate 17, and electrically connect the units 3 and 4.

The contact 13 is a ground contact, and is the first of the contacts 11 to 13 to be the substrate 1.
Connect with 7.

At this time, the cassette type connector 21 is locked because the four guide pins 14 are inserted into the predetermined holes formed in each substrate 17. Therefore,
In this state, the cassette type connector 21 is connected to the unit 3,
4 cannot be removed.

FIG. 8 shows the state of the section taken along the line BB in FIG. 6A, the state of the section taken along the line CC, and the state in which the slider 22 is pushed in from the state of the line CC. FIG. 5 is a virtual sectional view drawn continuously from FIG. 8 is a cross section taken along line CC in the center of FIG.
In this state, when the slider 22 is pushed in, the right side is reached, and the contact holding body 26 is lifted to bring the contacts 11 to 13 into contact with the lands of each substrate 17.

In FIG. 9A, the lever 24 is
After turning 90 degrees counterclockwise around the center to reach the state of FIG. 9B, the lever 24 is pulled leftward. Then, the contact holding body 26 is moved by the expansion force of the compression spring 28 and the reaction force of the contacts 11 to 13 so that the cross section C-C at the center of FIG.
, Ie, the state of FIG. 7A is forcibly restored. In this state, the four guide pins 14
Since the cassette type connector 21 is detached from the predetermined hole formed in the unit 7, the cassette type connector 21 can be removed from the units 3 and 4.

FIG. 10 shows an example of a design change of the lever 24.
The long hole 24a opened in the lever 24 is engaged with a shaft 25 fixed to the slider. In the state of FIG. 10A, the lever 24 is pulled out to the left to reach the state of FIG. 10B, and then the lever 24 is pulled to the left. Subsequent steps are the same as described above.

[0032]

According to the present invention, the following effects can be obtained.

(1) The adjacent units can be easily and quickly electrically connected with little effort and time.

(2) Erroneous wiring between adjacent units hardly occurs.

(3) Since the cassette type connector is used by being inserted into a connector insertion hole provided between adjacent units, it is compact in itself and does not hinder the periphery of each unit. Absent.

(4) When the adjacent units are electrically connected to each other, the cassette type connector cannot be removed, so that occurrence of an accident can be prevented.

(5) The cassette type connector having the slide structure is advantageous in terms of safety measures since when the adjacent units are electrically connected to each other, they do not project outside from the entrance of the connector insertion hole at all.

(6) Conventionally, a plurality of units are arranged in a housing (rack) to which a backboard is attached.
A bus can be configured without a backboard.

(7) Conventionally, the terminal block has been screwed. However, since screwing is not required, work efficiency is improved.
Also, the detachability of the unit can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view when the first embodiment of the present invention is used between adjacent units.

FIG. 2 is a three-view drawing of the first embodiment of the present invention,
(A) is a plan view, (b) is a side view, and (c) is a front view.

FIGS. 3A and 3B show two states after completion of insertion according to the first embodiment of the present invention, wherein FIG. 3A is a cross-sectional view in a contact non-contact state (a cross-sectional view taken along line AA in FIG. (B) is a cross-sectional view of the contact state.

FIG. 4 is a sectional view taken along line BB in FIG.
From the state of the section along the line C and the state of the section along the line CC,
It is the virtual sectional view which drawn the state rotated right by 0 degree continuously for convenience.

FIG. 5 is a perspective view when the second embodiment of the present invention is used between adjacent units.

FIG. 6 shows three views of a second embodiment of the present invention,
(A) is a plan view, (b) is a side view, and (c) is a front view.

FIGS. 7A and 7B show two states after the completion of insertion according to the second embodiment of the present invention, wherein FIG. 7A is a cross-sectional view in a contact non-contact state (a cross-sectional view taken along line AA in FIG. (B) is a cross-sectional view of the contact state.

FIG. 8 is a sectional view taken along line BB in FIG.
FIG. 5 is a virtual cross-sectional view in which a state of a cross section taken along a line C-C and a state in which a slider is pushed in from a state of a cross section taken along a line CC are drawn continuously for convenience.

FIGS. 9A and 9B are partial plan views of a second embodiment of the present invention, wherein FIG. 9A shows a state in which the lever is folded, and FIG. 9B shows a state in which the lever is raised.

FIGS. 10A and 10B are partial plan views of a second embodiment of the present invention, in which FIG. 10A shows a state in which a redesigned lever is pushed in, and FIG. 10B shows a state in which the redesigned lever is pulled out. is there.

FIG. 11 is a perspective view showing a conventional state in which adjacent units are electrically connected to each other.

FIG. 12 is a perspective view showing a state in which another conventional adjacent unit is electrically connected.

[Explanation of symbols]

 1-5 unit 6 connector insertion hole 7 cassette type connector 8 cam 9 handle 10 contact holder 11-13 contact 14 guide pin 15 frame 16 compression spring 17 substrate 18 spring assembling port 21 cassette type connector 22 slider 23 saw-tooth Reference Signs List 24 lever 24a long hole 25 axis 26 contact holding body 27 sawtooth tooth 28 compression spring 29 spring retaining member 30 taper

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yoshihiko Ouchi 1-1-15 Kita-Otsuka, Toshima-ku, Tokyo Inside Yamayo Denki Co., Ltd. (72) Nobuo Arakawa 1-1-15 Kita-Otsuka, Toshima-ku, Tokyo No. 1 Yamayo Electric Co., Ltd. (56) References JP-A-51-138864 (JP, A) JP-A-2-21584 (JP, A) JP-A-6-38919 (JP, U) JP-A-56 138 482 (JP, U) Japanese Utility Model 1-73783 (JP, U) JP 50-3877 (JP, B1) (58) Fields investigated (Int. Cl. ⁷ , DB name) H01R 24/10

Claims (7)

(57) [Claims] A frame, a contact holder housed in the frame and having a guide pin, an actuator housed in the frame, and driving the contact holder out of the frame; and the frame. A cassette type connector for connection between adjacent units, comprising a spring which is housed in the body and restores the contact holding body toward the frame body. 2. The cassette type connector according to claim 1, wherein said actuator is a rotary cam. 3. The cassette type connector according to claim 2, wherein said rotary cam is driven by a handle. 4. The cassette type connector according to claim 1, wherein said actuator is a slider. 5. The cassette type connector for connecting adjacent units according to claim 4, wherein said contact holding body and said slider are provided with saw-like teeth which engage and disengage with each other. 6. The cassette type connector according to claim 4, wherein a foldable and erectable lever is attached to said slider. 7. A unit comprising a land for contacting a contact of the cassette type connector for connecting adjacent units according to claim 1, and a substrate provided with a hole for inserting a guide pin.