JPH0620750A - High density installation connector - Google Patents

Abstract

PURPOSE:To enhance the effectiveness in the fitting work and increase the strength where two connectors are mounted inverted up and down in the same mounting position on the two sides of a printed circuit board, enable also two connectors to be mounted overlapped on one side of circuit board, and even there enhance the effectiveness in the fitting work and increase the strength. CONSTITUTION:The body of this connector of high density mount type is fitted with a plug part 12, a lead part 20 to be connected with the plug part, and fixing parts 30, 31 located on the right and left sides of the lead part 20. In this lead part 20 another lead 21 and a lead hole 24 are arranged symmetrically to the left and right, and detent members 35, 36 and detaining holes 37, 38 are arranged in the fixing parts 30, 31 symmetrically to the left and right.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-density mounting connector mounted on a printed circuit board, and more particularly to a connector suitable for mounting two connectors at the same mounting position on both sides or one side of the printed circuit board. is there.

[0002]

2. Description of the Related Art Conventionally, various high density mounting connectors mounted on a printed circuit board have been proposed.
As this conventional example, three types will be described with reference to the drawings starting from FIG.

FIG. 9 shows a first conventional example of an interface connector, in which (a) is a plan view and (b) is a front view.
(C) shows a side view. The connector 80 has an elongated connector body 81 having an L-shaped cross section, a plug portion 82 is provided on one side of the connector body 81, and a lead portion 83 is provided on the other side of the connector body 81, which is the same number as that connected to the plug portion 82. Leads 84 are also provided horizontally. In addition, solderable plates 86 are attached as fixing portions 85 to the left and right of the lead portion 83.

FIG. 12 shows a state in which two connectors of this type are mounted on both sides, and (a), (b), (c).
Is a similar illustration. That is, the upper surface 1a of the printed board 1
The connector 80 is mounted by fixing the plate 86 with the solder 87. At the same mounting position on the lower surface 1b of the printed circuit board 1, another connector 80 'having the same structure is placed upside down so as to face each other, and similarly, the plate 86' is fixed and mounted by the solder 87 '. And the lead portion 83
Each lead 84 is connected to the circuit of the printed circuit board 1 and is plug-in connected to another device by the plug portions 82 and 82 '.

FIG. 10 shows a second conventional example, (a),
(B) and (c) are similar drawings. This connector 90
Then, as the fixing portion 92, the screw 93 and the nut 94 are provided in the holes 95 of the left and right protruding portions 91a of the connector main body 91, and the other portions are configured in the same manner. FIG. 13 shows a state in which two connectors of this type are mounted on both sides,
(A), (b), (c) are the same illustrations. Also in this case, two connectors 90, 90 'having the same structure are arranged to face each other on both surfaces 1a, 1b at the same mounting position of the printed circuit board 1. On the other hand, since the fixing portion 92 is of a screw fastening type, the screws 93 are inserted into both the connectors 90 and 90 ′ and the printed circuit board 1 and are fastened by the nuts 94, so that the two connectors 90 and 9 are connected.
0'is fixed together.

FIG. 11 shows a third conventional example, (a),
(B) and (c) are similar drawings. This connector 10
0, the lead 103 of the lead portion 102 is provided so as to bend at a right angle and protrude below the connector main body 101, and a lock pin 105 is provided as a fixing portion 104 for preventing the withdrawal with one touch (101 ′ is another connector). Body). FIG. 14 is a front view of a usage state in which two connectors of this type are mounted on one side. That is, the two connectors 100, 100 'are respectively the two printed circuit boards 1,
On the upper surfaces 1a and 2a of the same mounting position of 2, the leads 103,
103 'and the lock pins 105, 105' are inserted and fixed in the printed boards 1, 2. Further, in this case, both printed circuit boards 1 and 2 are installed at a predetermined distance by a support 3, and the printed circuit boards 1 and 2 are connected to each other by a connector 4 of another type.

Another reference technical document related to the present invention is "electronic component" disclosed in Japanese Utility Model Laid-Open No. 57-109571.

[0008]

In the above-mentioned prior art, all of them are constructed on the assumption that the connectors are individually mounted on the printed circuit board, so that two connectors are assembled upside down. There were various problems when they were combined or combined in the same direction.

That is, in the first conventional example shown in FIG. 9, since the connectors are fixed to both surfaces of the printed circuit board only by soldering, there is a problem that the mounting strength is weak. Also,
In the second conventional example shown in FIG. 10, since the connector is a screw-fastening method, a large mounting strength can be obtained by using this method, but the workability of the mounting is poor and the cost is high. There was a point. Third shown in FIG.
In the conventional example, when the two connectors are mounted on both sides of the printed circuit board so as to face each other, the lead part and the fixed part collide with each other and cannot be mounted. Therefore, it is necessary to use two printed circuit boards. And the structure becomes significantly complicated.

The present invention has been made in view of the above points, and is a high workability and a strength improved when two connectors are mounted upside down at the same mounting position on both surfaces of a printed circuit board. A first object is to obtain a densely mounted connector.

A second object of the present invention is to obtain a high-density mounting connector which allows two connectors to be mounted on one surface of a printed circuit board in an overlapping manner, and in which the mounting workability and strength are improved. To do.

[0012]

In order to achieve the above object, the present invention is directed to a connector body, a plug portion, lead portions connected to the plug portion, and fixing portions arranged on both left and right sides of the lead portion. In a high-density mounting connector mounted on both sides of a printed circuit board, the leads and the lead holes are symmetrically arranged in the lead portion, and the engaging member and the engaging hole are provided in the fixing portion. It is arranged symmetrically.

Further, the fixing portion is provided such that a lock pin and a pin hole are arranged symmetrically on the left and right sides of the lead portion and on the left and right sides of the other side of the lead portion, the lock pin engaging and retaining with one touch.

Further, the connector body is provided with a plug portion, lead portions connected to the plug portion, and fixing portions arranged on both left and right sides of the lead portion, and is mounted on one side of a printed circuit board. In the density mounting connector, the plug portion has upper and lower two-tiered plug portions, and the lead portion bends leads from the upper and lower two-tiered plug portions at a right angle at a position where they do not interfere and protrudes below the connector body. Thus, the lock pin is provided below the connector body so that the lock pin engages with the one-touch retaining.

Further, the connector main body is provided with a clip for fixing the printed circuit board and two connectors mounted on both surfaces of the printed circuit board.

[0016]

According to the above structure, when two connectors having the same structure are mounted on both sides of a printed circuit board so as to face each other, the leads of both connectors and the lead holes can be joined simply by inserting both connectors into the printed circuit board. Then, insert it through the printed circuit board. Further, the engaging members of the fixing portions of both connectors and the engaging holes are aligned with each other, and the printed board is inserted and engaged, so that the connector can be firmly fixed with one touch.

[0017]

[Embodiment 1] An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of a double-sided mounting type having vertical leads as a first embodiment, FIG. 2A is the same plan view, FIG. 2B is the same front view, and FIG. Indicates. The connector 10 has an elongated connector body 11 having an L-shaped cross-section, and one of the connector body 11 has a plug portion 12, for example, nine plugs 14 horizontally provided inside a guide 13, and the other of the connector body 11 As the lead portion 20, the same number of leads 21 that are connected to the plugs 14 are provided, and the fixing portions 3 are provided on both left and right sides of the lead portion 20.
It is configured by providing 0 and 31.

In the lead portion 20, all nine leads 21 are bent at a right angle and protruded below the horizontal portion 11a of the connector body 11. The horizontal portion 11a is provided with the same number of lead holes 24 as the number of leads. There is. Here, since the number of leads is large, for example, the first lead group 22 composed of the five leads 21a to 21e on the left side and the four leads 21f to the right side are formed.
The second lead group 23 is divided into two groups 21i. The first lead group 22 is arranged in front of and close to the plug 14, and on the right side next to the first lead group 22, 5
First lead hole group 2 having two lead holes 24a to 24e
5 are arranged symmetrically (staggered) with respect to the center line. The second lead group 23 on the right side is arranged rearward far from the plug 14, and on the left side next to the second lead group 23,
The second lead hole group 26 having the four lead holes 24f to 24i is also arranged symmetrically (staggered) with respect to the center line. As a result, when two connectors having the same structure are combined so as to face each other, the leads and the lead holes can be fitted and fitted to each other.

A metal fitting 34 is attached to the groove 32 of the vertical portion 11b of the connector main body 11 by means of a screw 33, and a lock pin 35 for fixing and fixing the locking portion 30 on the left side below the horizontal portion 11a with one touch. It is projected.
The lock pin 35 is laterally arranged rearward, and a pin hole 37 capable of engaging with the lock pin 35 is arranged symmetrically (staggered) in the horizontal portion 11a of the right fixing portion 31. It Also, in the right side fixing portion 31, similarly, a lock pin 36 is projectingly provided below the horizontal portion 11a by a metal fitting 34 screwed into the groove 32. The pin holes 38 for the pins 36 are arranged symmetrically (staggered) in the horizontal portion 11a of the left fixed portion, which allows two connectors of the same structure to be combined upside down. , The lock pin and the pin hole can be matched and fitted.

FIG. 5 shows a state in which two connectors of this type are mounted on both sides, and (a), (b) and (c) are the same illustrations. Here, at the connector mounting position of the printed circuit board 1, twice the number of holes into which leads and lock pins are inserted are provided in advance. Therefore, the connector 10 is inserted into the mounting position of the upper surface 1a of the printed circuit board 1, and the leads 21 and the lock pins 35 and 36 are inserted through the holes on the side of the substrate so as to project to the lower surface 1b. Another connector 1 of the same structure
0 ′ is turned upside down, and at the same mounting position on the lower surface 1b of the printed circuit board 1, facing each other and similarly inserted. Then, the leads 21 and 21 'of the two connectors 10 and 10' and the lead holes 24,
24 'mate in the same position and fit together. Also, the lock pins 35, 36, 35 ', 36' and the pin holes 37, 3
8, 37 ′ and 38 ′ also match the same position and are engaged with each other with one touch, thus the printed circuit board 1
The two connectors 10 and 10 'are fixed so as not to be pulled out from each other in a state in which the two are sandwiched.

[Embodiment 2] FIG. 3 shows a second embodiment of a type which has horizontal leads and is mounted on both sides.
(A), (b), (c) are the same illustrations. In this type of connector 40, the plug portion 4 of the connector body 41
Since the nine leads 44 are horizontally provided in the lead portion 43 on the side opposite to 2, the lead hole as described above is unnecessary. The fixed portions 4 provided on the left and right of the lead portion 43
5 and 46, the lock pin 4 is used as in the first embodiment.
7 and the pin hole 48 are arranged, and other than that are configured the same.

FIG. 6 shows a state in which two connectors of this type are mounted on both sides, and (a), (b) and (c) are the same illustrations. Therefore, also in this case, when the connector 40 and the connector 40 'having the same structure are mounted upside down on both surfaces 1a, 1b of the printed circuit board 1 so as to face each other, the lock pins 47, 47' and the pin holes 48, 48 'are mounted. Are engaged with each other with one touch, and the two connectors 40 and 40 'are fixed by being prevented from being pulled out from each other while sandwiching the printed circuit board 1.

FIG. 8 shows another usage state of this double-sided mounting, and (a), (b), and (c) are similar drawings. Here, in the two connectors 40, 40 'mounted on both sides of the printed circuit board 1, a clip 50 bent in a U shape is attached to the groove 49 so as to sandwich both connectors 40, 40', and a screw 51 is provided. It is concluded by. Therefore,
The printed circuit board 1 and the two connectors 40, 40 'are firmly fixed by the engagement by the lock pins 47, 47' and the pin holes 48, 48 'and the fastening by the clip 50 and the screw 51.

[Third Embodiment] FIG. 4 shows a third embodiment of a type in which two stages are stacked and one side is mounted.
(B) and (c) are similar drawings. In this type of connector 60, plug portions 62 and 63 are provided on the vertical portion 61b of the connector main body 61 in two upper and lower stages. Further, in the lead portion 64, the lead 65 connected to the lower plug portion 63
Is a lead 6 that is bent at a right angle near the plug and protrudes below the horizontal portion 61a to connect to the upper plug portion 62.
6 is similarly bent in the rear far from the plug so that the double number of leads 65 and 66 are projected below the horizontal portion 61a without interference. Further, in the left and right fixing portions 67 and 68, as in the above-mentioned embodiment, the horizontal portion 61a is provided.
A lock pin 69 is provided projecting below and a pin hole 70 is provided in the horizontal portion 61a, thus forming a two-tiered connector.

FIG. 7 shows a state in which this type of connector is mounted on one side, and (a), (b) and (c) are the same illustrations. Therefore, the two-tiered connector 60 is mounted on the upper surface 1a of the printed circuit board 1 by inserting the leads 65 and 66 and the lock pin 69 into the holes on the board side, whereby the lock pin 69 is engaged with the hole on the board side. It is fixed and held together.

The embodiment of the present invention has been described above, but the present invention is not limited to this. For example, in the first, second, and third embodiments, the positional relationship of each element of the lead portion and the fixed portion may be reversed on the left, right, front, and rear. The shape of each element can be arbitrarily changed. The clip may be a one-touch lock type.

[0027]

As described above, according to the present invention, in the high-density mounting connector, the leads and the lead holes are arranged symmetrically (staggered) in the lead portion, and the fixing member engages with the engaging member. Since the holes are symmetrically arranged (staggered), the two connectors can be mounted on both sides of the printed circuit board so as to face each other, and thus the printed circuit board can be downsized and the cost can be reduced. In the case of double-sided mounting, both connectors are fixed by sandwiching the printed circuit board by simply inserting both connectors, so the work becomes very easy. Since the engaging member is a lock pin that is prevented from coming off with one touch, the fixing strength is improved.

In the case of the double-layered connector, a plurality of connectors can be mounted on one surface of the printed circuit board in a space for one connector. Therefore, the printed circuit board can be downsized and the cost can be reduced. it can. In addition, various parts other than the connector are unnecessary, and the number of parts and the mounting man-hour are reduced. When mounting a clip, the strength against fixation and insertion / withdrawal is further improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a main part of a first embodiment of a high-density mounting connector according to the present invention.

FIG. 2 is an explanatory diagram showing a configuration of the same example.

FIG. 3 is an explanatory diagram showing a configuration of a second embodiment of the present invention.

FIG. 4 is an explanatory diagram showing a configuration of a third exemplary embodiment of the present invention.

FIG. 5 is an explanatory diagram showing a usage state of the first embodiment.

FIG. 6 is an explanatory diagram showing a usage state of the second embodiment.

FIG. 7 is an explanatory diagram showing a usage state of the third embodiment.

FIG. 8 is an explanatory diagram showing another usage state of the second embodiment.

FIG. 9 is an explanatory diagram showing a configuration of a first conventional example.

FIG. 10 is an explanatory diagram showing a configuration of a second conventional example.

FIG. 11 is an explanatory diagram showing a configuration of a third conventional example.

FIG. 12 is an explanatory diagram showing a usage state of a first conventional example.

FIG. 13 is an explanatory diagram showing a usage state of a second conventional example.

FIG. 14 is an explanatory diagram showing a usage state of a third conventional example.

[Explanation of symbols]

 10, 40, 60, connector 11 Connector body 12 Plug part 20 Lead part 21 Lead 24 Lead hole 30, 31 Fixing part 35, 36 Lock pin 37, 38 Pin hole

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[Procedure amendment]

[Submission date] February 3, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 4

[Correction method] Change

[Correction content]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction content]

Further, the fixing unit, before and after the right and left one and the other of the lead portion, and a lock pin which engages rice retaining one-touch, Oh those pin holes provided arranged so symmetrically It

Claims (4)

[Claims] 1. A connector body having a plug portion, lead portions connected to the plug portion, and fixing portions arranged on both left and right sides of the lead portion, and mounted on both sides of a printed circuit board. In the high density connector, a lead and a lead hole are symmetrically arranged in the lead portion, and an engaging member and an engaging hole are symmetrically arranged in the fixing portion. Mounting connector. 2. The fixing portion is provided in front of and behind one of the left and right sides of the lead portion, and a lock pin engaging and retaining with one touch and a pin hole are symmetrically arranged. The high-density mounting connector according to claim 1. 3. A connector body having a plug portion, lead portions connected to the plug portion, and fixing portions arranged on both left and right sides of the lead portion, the height being mounted on one side of a printed circuit board. In the density mounting connector, the plug portion has upper and lower two-tiered plug portions, and the lead portion bends leads from the upper and lower two-tiered plug portions at a right angle at a position where they do not interfere and protrudes below the connector body. A high-density mounting connector, wherein the fixing portion is provided with a lock pin which is provided below the connector body so as to be locked and engaged with one touch. 4. The high-density mounting connector according to claim 1, wherein the connector body is provided with a clip for fixing the printed circuit board and two connectors mounted on both surfaces of the printed circuit board.