JP2000133342A - Floating electric connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a floating electric connector eliminating a soldering part likely to develop stresses due to floating and capable of eliminating contact failure resulting from soldering cracks. SOLUTION: A plug connector body (1) includes a movable housing 3 in which a number of contacts 19 furnished with contacting parts 24 are mounted in the lead terminal part 21, is installed on a printed circuit board 10 in such a way that the contacting parts 24 of the lead terminal part 21 are in slide contacting with the pattern contact part (29) of the board 10, and is held on the board 10 by a connector floating holding means movably in the plane direction of the board 10, and the connector floating holding means is configured so that a stationary housing (4) is fixed to the board 10 and the holder part (25) of this housing (4) is contacted with the movable housing 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floating electrical connector used for connecting one printed circuit board to another printed circuit board.

[0002]

2. Description of the Related Art As a conventional floating electric connector, there is a technique disclosed in Japanese Patent Application Laid-Open No. 6-325825. A floating electrical connector according to the disclosed technique, wherein the receptacle connector includes a fixed housing fixed on a board and a movable housing movable in a plane direction of the board, and the movable housing has a retaining projection. The retaining projection is slidably abutted against the retaining grunge of the fixed housing. A number of contacts are mounted on the movable housing, and the lead terminal portions of these contacts are soldered to the conductive pattern of the substrate by a well-known surface mount.

When the plug connector is connected to the receptacle connector and the plug connector is shifted with respect to the receptacle connector, the elastically deformable portion of the contact is deformed to absorb the "shift". Was.

[0004]

However, in the above-mentioned conventional floating electric connector, the lead terminals of a large number of contacts provided on the movable housing are soldered to the conductive pattern of the substrate by a well-known surface mount. Therefore, even if the elastically deformable portion of the contact deforms and absorbs the "displacement", stress is applied to the soldered portion and solder cracks occur, resulting in poor contact. Was.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to eliminate a soldering portion which causes stress due to floating, thereby reducing the occurrence of solder cracks. An object of the present invention is to provide a floating electrical connector that can eliminate poor contact.

[0006]

According to a first aspect of the present invention, there is provided a floating electrical connector comprising a movable housing and a plurality of contacts each having a contact portion provided on a lead terminal portion. And the connector body is movably held with respect to the mounting surface in the plane direction of the mounting surface, and the contact portion of the lead terminal portion is slidably contacted with the pattern contact portion of the mounting surface. A connector floating holding means.

With this configuration, the connector body can be moved in the plane direction of the substrate by sliding the contact portion of the lead terminal portion of the contact into the pattern contact portion of the substrate. When connecting the mating connectors, if there is a slight “shift” in the left-right and front-back directions, the connector body can move in the left-right direction and the front-back direction to absorb the “shift”.

As described above, since the connector main body can move (float) by sliding the contact portion of the lead terminal portion of the contact to the pattern contact portion of the substrate, and there is no soldering portion which generates stress by floating. In addition, it is possible to eliminate poor contact due to occurrence of solder cracks.
In addition, since soldering can be omitted, an environment-friendly solderless connector can be obtained, and recycling can be easily performed.

According to another aspect of the present invention, there is provided a floating electrical connector according to the present invention, wherein the connector floating holding means is fixed to the substrate. The connector body is pressed against the substrate by a fixing member.

[0010] With this configuration, the connector body can be pressed against the substrate by the fixing member to make the contact portion slidably contact the pattern contact portion, and the same operation and effect as the above-mentioned invention of claim 1 can be obtained. I can play.

According to a third aspect of the present invention, there is provided a floating electrical connector according to the first aspect of the present invention, wherein the connector floating holding means comprises: And at least a part of the fixed housing is brought into contact with the movable housing of the connector main body, and a guide portion is formed by surrounding the mating connector fitting portion provided on the movable housing with the fixed housing.

According to this structure, the connector body can be pressed against the substrate by the fixed housing, and the contact portion can be brought into sliding contact with the pattern contact portion, so that the same operation and effect as the above-mentioned invention can be obtained. Not only can it be performed, but also the guide housing can be formed by surrounding the mating connector fitting portion provided on the movable housing with the fixed housing to facilitate the mating of the mating connector.

According to a fourth aspect of the present invention, there is provided a floating electrical connector according to the first aspect, wherein the connector floating holding means is provided at both ends of the connector body. A stop member is inserted into the hole provided in the portion with play with respect to the periphery of the hole, the stop member is fixed to the board, and the connector body is connected to the board side with the stop member. To press.

According to this configuration, the connector body can be pressed against the substrate by the stopper member, and the contact portion can be brought into sliding contact with the pattern contact portion. Can be played.

According to a fifth aspect of the present invention, there is provided a floating electrical connector according to the first aspect, wherein the connector floating holding means is provided at both ends of the connector body. A hook member is slidably hooked on a protrusion provided on the portion, the hook member is fixed to the board, and the connector body is pressed against the board by the hook member.

With this configuration, the connector body can be pressed toward the substrate by the hook member and the projection, and the contact portion can be slidably contacted with the pattern contact portion. Similar effects can be obtained.

According to a sixth aspect of the present invention, there is provided a floating electrical connector according to the first aspect, wherein the connector floating holding means is provided at both ends of the connector body. A hook portion having a hook claw portion at the tip portion is provided in the portion,
The leading end of the hook is inserted into a hole provided in the board, and the hook for hook is slidably hooked on a peripheral edge of the hole to pull the connector body toward the board. .

According to this structure, the connector body can be pulled toward the substrate side by the hook portion, and the contact portion can be brought into sliding contact with the pattern contact portion, so that the same operation and effect as the above-mentioned invention of claim 1 can be obtained. I can play.

According to a seventh aspect of the present invention, there is provided a floating electrical connector according to the third aspect, wherein the fixed housing is made of a conductive material in the floating electrical connector according to the third aspect. I made it.

According to this structure, the connector body can be pressed against the substrate side by the fixed housing, and the contact portion can be brought into sliding contact with the pattern contact portion, so that the same operation and effect as the above-mentioned invention can be obtained. Not only can it be played, but the stationary housing can be a shield member.

According to another aspect of the present invention, there is provided a floating electrical connector according to the first aspect, wherein the floating electrical connector is adjacent to one end of the movable housing of the connector body. An engaging recess in which the engaging projection at the other end of the movable housing is detachably engaged with the engaging recess at the other end and an engaging recess at the other end of the adjacent movable housing. A mating engagement projection was provided.

According to this structure, not only the same operation and effect as the above-mentioned invention of claim 1 can be obtained, but also a large number of movable housings can be connected in a daisy chain and provided for reel packing, and the reel packing can be performed. In the case of (emboss packaging), packaging materials other than reels can be made unnecessary.

[0023]

Embodiments of the present invention will be described below with reference to the drawings.

(Embodiment 1) FIGS. 1 to 6 show Embodiment 1 of a floating electrical connector according to the present invention.

The floating electric connector (Embodiment 1) according to the present invention comprises a plug connector A mounted on one printed circuit board 10 and a receptacle connector B mounted on the other printed circuit board 40. is there. Then, by connecting the plug connector A to the receptacle connector B, one printed circuit board 10 and the other printed circuit board 40 are connected.

As shown in FIGS. 1 to 5, the plug connector A includes a plug connector main body 1 including a movable housing 3 and a number of contacts 19 mounted on the movable housing 3, a fixed housing 4 as a fixing member, It consists of.

The movable housing 3 has a base portion 5 having a rectangular shape in a plan view. The center of the upper surface of the base portion 5 is formed of a ridge extending in the left-right direction (longitudinal direction of the movable housing 3). A contact holding part 6 is formed. The left and right portions 5A and 5B of the base portion 5 are
The front and rear portions 5C and 5D are narrowed by left and right notches 7 and 8, and the front and rear portions 5C and 5D of the base portion 5 are projected outward by forming left and right notches 7 and 8. Such a protrusion 9 is formed. And the left and right notches 7, 8
A step portion 12 is formed between the right and left protrusions 9.

An engagement recess 14 as one connector connecting portion is formed in an end surface (left end surface) of the left portion 5A of the base portion 5, and an end surface portion (right end) of the right portion 5B of the base portion 5 is formed. An engagement projection 15 as the other connector connecting portion is formed on the surface portion).

As shown in FIG. 1A, a large number of groove-like terminal mounting portions 18 are provided on the front and rear side wall portions 16 and 17 of the contact holding portion 6 at a predetermined pitch in the left-right direction. The lower portions of these terminal mounting portions 18 are drawn out to the bottom side of the base portion 5, and a contact insertion opening 11 is formed at the bottom side of the base portion 5.

As shown in FIG. 1A, the contact 19 has a press-fit portion 20 bent at a substantially right angle and a terminal lead portion 21 formed at one end (lower end) of the press-fit portion 20. And 180 at the other end (upper end) of the press-fitting portion 20.
And a contact portion 23 that is connected via an S-shaped bent connection portion (springiness imparting portion) 22 that turns back.
The terminal lead portion 21 is bent so as to project downward, and a contact portion 24 is formed. Further, the contact portion 23 is bent so as to protrude outward, and a contact portion 23A is formed.

The contacts 19 are inserted into the terminal mounting portions 18 from the respective contact insertion openings 11 and attached to the movable housing 3, so that the plug connector main body 1 is formed. In other words, the contact 19 is
0 is inserted into the terminal mounting portion 18 in a press-fitted state, and the terminal lead portion 21 is projected downward from the terminal insertion opening 11 so that the contact portion 23
Is attached to the movable housing 3 so as to face the outside of the contact holding portion (fitting protrusion) 6.

The fixed housing 4 includes front and rear surfaces 4A, 4A,
B, left and right sides 4C, 4D, and has a square frame shape with the top and bottom open, and the lower edges of the front and rear sides 4A, 4B are cut with the left and right sides left. The holding portions 25 are formed of notches. These holding portions 25 are large enough to insert the protrusions 9 provided at the front and rear portions 5C and 5D of the base 5 of the movable housing 3. Part 9
Are inserted, the left and right ends 9a, 9b of the protruding portion 9 are inserted.
There is a gap t of about 0.25 mm between each and the left and right ends 25a, 25b of the holding portion 25.

The left and right sides 4 of the fixed housing 4
At the lower edge of C and 4D, an insertion portion 26 formed of a notch is formed at the center thereof, and a press as a substrate fixing means is provided at the lower end of the four corners of the fixed housing 4. A fitting portion 27 is provided so as to protrude.

On the mounting surface of one printed circuit board 10, four press-fit holes 28 and a large number of pairs of pattern contacts 29 are provided.

The plug connector body 1 is mounted on the mounting surface of one printed circuit board 10, and the contact portions 24 of the terminal leads 21 of the contacts 19 of the plug connector body 1 are replaced with the corresponding pattern contact portions 29. Is in contact with In this state, the fixed housing 4 is placed on the plug connector main body 1, and the four press-fit portions 27 of the fixed housing 4 are inserted and locked in the four press-fit holes 28 of one printed circuit board 10. The fixed housing 4 is fixed to one printed circuit board 10.

In this case, the movable housing 3 is provided in the holding portions 25 provided on the front and rear surfaces 4A and 4B of the fixed housing 4.
The projections 9 provided on the front and rear portions 5C, 5D of the base portion 5 are inserted, the edge 25c of the holding portion 25 abuts on the upper surface of the projection 9, and the fixed housing 4 is connected to the plug connector main body 1. Is pressed against one of the printed circuit boards 10, so that the contact portions 24 of the terminal lead portions 21 of the contacts 19 of the plug connector main body 1 reliably contact the corresponding pattern contact portions 29.

When the protruding portion 9 is inserted into the holding portion 25, the left and right ends 9a, 9b of the protruding portion 9 and the left and right ends 25a, 25b of the holding portion 25 are respectively approximately A gap t of about 0.25 mm exists.

The left and right sides 4 of the fixed housing 4
C, 4D, the left side 5 of the base 5
A engagement recess 14 of A and the engagement projection 15 of the right side 5B are inserted, and the front and rear ends 14a, 14b, 15a, 15b of the engagement recess 14 and the engagement projection 15 and the insertion section are inserted. 26, between the front and rear ends 26a, 26b, respectively.
A gap t-1 of about 25 mm exists. In this case, the width of the base of the engaging projection 15 is made equal to the outer width of the engaging recess 14.

Therefore, the plug connector main body 1 can move about 0.5 mm in the left-right direction and the front-back direction (the plane direction of the printed circuit board 10). The left and right ends 9a and 9b of the protruding portion 9 and the holding portion 2
A gap t of about 0.25 mm exists only between the left and right ends 25a and 25b of the fixed housing 5 so that the fixed housing 4 is moved in the left-right direction by about 0.5 mm. It may be determined by a gap between the inner surfaces of the front and rear surfaces 4A and 4B and the front and rear notches 7 and 8 of the base 5 and the rear 5C and 5D.

As shown in FIG. 6, the receptacle connector B includes a movable housing 30 and the movable housing 3.
It comprises a receptacle connector body 32 composed of a number of contacts 31 mounted on a housing 0, and a fixed housing 33.

The movable housing 30 is rectangular in plan view, and a fitting recess 34 is formed in the center of the lower surface of the movable housing 30 along the left-right direction (the longitudinal direction of the movable housing 30). A protrusion 35 similar to that of the movable housing 3 of the plug connector A is formed on the front and rear sides of the movable housing 30, and one connector connecting portion is formed on the left end surface of the movable housing 30. Is formed on the right end surface of the movable housing 30, and an engagement recess 37 is formed as the other connector connecting portion.

The front and rear side walls 34A, 34 of the fitting recess 34
On the inner surface of B, a number of groove-shaped terminal mounting portions 38 are formed at a predetermined pitch in the left-right direction, and the upper portions of these terminal mounting portions 38 are removed toward the upper surface of the movable housing 30. A contact insertion port 39 is formed on the upper surface side of the movable housing 30.

As shown in FIG. 1A, the contact 31 is bent at a right angle to the press-fit portion 41 and at one end (upper end) of the press-fit portion 41. Terminal lead 42 and the other end (lower end) of press-fit 41
And a contact portion 43 formed on an extension of the terminal lead portion 42. The terminal lead portion 42 is bent so as to protrude upward,
A contact portion 44 is formed.

The contacts 31 are inserted into the terminal mounting portions 38 from the respective contact insertion openings 39 and attached to the movable housing 30 to form a receptacle connector main body 32. That is, the contact 31 is inserted with the press-fit portion 41 into the terminal mounting portion 39 in a press-fit state, the terminal lead portion 43 is protruded outward from the contact insertion port 39, and the contact portion 43 faces the inside of the fitting concave portion 34. And is mounted on the terminal mounting portion 38.

Since the fixed housing 33 has the same configuration as the fixed housing 4 of the plug connector A described above, the same reference numerals are given and the description is omitted.

On the mounting surface of the other printed circuit board 40, four press-fit holes 45 and a large number of pairs of pattern contacts 46 are provided.

The receptacle connector main body 32 is mounted on the mounting surface of the other printed circuit board 40, and the contact portions 44 of the terminal leads 43 of the contacts 31 of the receptacle connector main body 32 correspond to the corresponding pattern contact portions 46. Is in contact with In this state, the fixed housing 33 is overlaid on the receptacle connector body 32,
The four press-fit portions 27 of the fixed housing 33
Are inserted and locked in the four press-fit holes 45 of the other printed circuit board 40, and the fixed housing 33 is fixed to the other printed circuit board 40.

In this case, the holding portion 2 of the fixed housing 33
5, the protruding portion 35 of the movable housing 30 is inserted, the edge 25c of the holding portion 25 abuts on the upper surface of the protruding portion 35, and the fixed housing 33 connects the receptacle connector main body 32 to the other printed circuit board 40. The contact portion 44 of the terminal lead portion 42 of the contact 31 of the receptacle connector body 32 surely contacts the corresponding pattern contact portion 46.

When the protruding portion 35 is inserted into the holding portion 25, the left and right ends 35a, 35b of the protruding portion 35
There is a gap of about 0.25 mm between each and the left and right ends 25a and 25b of the presser 25. A mating connector insertion concave portion 47 is formed between the outer surface of the peripheral wall portion (front and rear, left and right side wall portions) of the fitting concave portion 34 and the fixed housing 33 (see (1) in FIG. 1).

The engaging projections 36 and the engaging recesses 37 are inserted into the insertion portions 26 provided on the left and right end surfaces of the fixed housing 33, respectively. , Rear end portions 36a, 36b, 37a, 37b and insertion portion 2
6, a gap of about 0.25 mm exists between each of the front and rear ends 26a, 26b.

Therefore, the receptacle connector body 3
2 is about 0.5mm each in the left-right direction and the front-back direction
It becomes possible to move about.

Next, connection between one printed circuit board 10 and the other printed circuit board 40 using the floating electrical connector according to the present invention will be described.

When the other printed circuit board 40 (one printed circuit board 10) is brought closer to the one printed circuit board 10 (the other printed circuit board 40), the fitting convex portion (contact holding portion) 6 of the plug connector A is formed. The fixed housing 4 of the plug connector A is inserted into the mating concave portion 47 of the mating connector and the contact portion 2 of the contact portion 23 of the contact 19 is fitted into the mating concave portion 34 of the receptacle connector B.
3A is brought into contact with the contact portion 43 of the contact 31 to connect one printed circuit board 10 and the other printed circuit board 40.

When the plug connector A and the receptacle connector B are connected with each other, if there is a slight “shift” in the left and right and front and rear directions, the plug connector body 1 and the receptacle connector body 32 are moved in the left and right direction and front and rear direction, respectively. The plug connector A and the receptacle connector B are completely connected because the "displacement" is absorbed because the plug connector A and the receptacle connector B can move about 0.5 mm.

As described above, the plug connector body 1 and the receptacle connector body 32 are
Since the contact portions 24 and 44 of the lead terminal portions 21 and 42 of the 31 can be slidably contacted with the pattern contact portions 29 and 46 of the printed circuit boards 10 and 40 and moved in the plane direction of the printed circuit boards 10 and 40. When the receptacle connector B is connected to the plug connector A, if there is a slight “shift” in the left, right and front and rear directions, the plug connector main body 1 and the receptacle connector main body 32 move in the left and right direction and front and rear direction, respectively. As a result, the "shift" can be absorbed.

As described above, the contact portions 24 and 44 of the lead terminal portions 21 and 42 of the contacts 19 and 31 are brought into sliding contact with the pattern contact portions 29 and 46 of the printed circuit boards 10 and 40 so that the plug connector body 1 and the receptacle connector body are formed. 32
Can move (floating) and does not have a soldering portion that generates stress due to floating, so that a contact failure due to the occurrence of solder cracks can be eliminated. In addition, since soldering can be omitted, an environment-friendly solderless connector can be obtained, and the connector can be easily recycled.

In the first embodiment of the present invention, fixing means (fixing members) for fixing the fixed housings 4 and 33 to one and the other printed circuit boards 10 and 40 are used. Press-fit portions 27 are protruded from the lower ends of the four corners, and press-fit holes 28 and 45 are provided on one and the other printed circuit boards 10 and 40, and the press-fit portions 27 are press-fit holes 2.
8 and 45, the fixed housings 4 and 33 were fixed to the printed circuit boards 10 and 40 on one and the other sides. As shown in FIG. A mounting portion 48 having a mounting hole portion 48a is provided, and these mounting portions 48 are arranged along the mounting surfaces of the printed circuit boards 10 and 40 on the other side. By means of fixed housing 4, 33
May be fixed to one and the other printed circuit boards 10 and 40.

Alternatively, the fixed housings 4 and 33 may be made of a conductive material and used as a shield member, and may be grounded via the press-fit holes 28 and 45. Further, since the movable housing 3 of the plug connector main body 1 has the engaging concave portion 14 and the engaging convex portion 15 at the left and right ends thereof, as shown in FIGS. 16 (1) and (2). A plurality of movable housings 3 can be connected in a daisy chain by adjoining the movable housings 3 so that the engaging projections 15 can be disengageably engaged with the engagement recesses 14. For this,
In the case of reel packaging (embossed packaging), packaging materials other than reels become unnecessary.

(Embodiment 2) FIGS. 8 to 11 show Embodiment 2 of a floating electrical connector according to the present invention.
Shown in

In the floating electrical connector according to the present invention (Embodiment 2), one printed circuit board 1
The plug connector A mounted on the “0” and the receptacle connector B mounted on the other printed circuit board 40 are respectively composed of a plug connector main body 50 and a receptacle connector main body 51, and the fixed housings 4 and 33 are eliminated. .

The plug connector body 50 of the plug connector A
Has almost the same configuration as the plug connector main body 1 according to the first embodiment of the present invention described above, and the receptacle connector main body 51 has almost the same configuration as the receptacle connector main body 32 according to the first embodiment of the present invention. The plug connector body 50 is different from the plug connector body 1 in that a block 52
The block 52 is provided with a long hole 53 which is long in the front-rear direction.
Therefore, the same reference numerals are given and the description is omitted.

Then, the plug connector main body 50 is placed on the mounting surface of one printed circuit board 10, and the contact portions 24 of the terminal leads 21 of the contacts 19 of the plug connector main body 50 are connected to the corresponding pattern contact portions 29. Contact,
In this state, using a stop member 56 which is T-shaped and has a head 55 at the end of the insertion portion 54,
6 is inserted into the long hole 53 of the block part 52 and is pressed into the hole 57 of one printed circuit board 10, and the plug connector main body 50 is fixed to the one printed circuit board 10. .

In this case, the head 55 of the stopper member 56 presses the block portion 52 to press the plug connector main body 50 against one of the printed circuit boards 10.
Contact part 24 of the terminal lead part 21 of the zero contact 19
Will surely contact the corresponding pattern contact portion 29.

The receptacle connector main body 51 is mounted on the mounting surface of the other printed circuit board 40, and the contact portions 44 of the terminal lead portions 42 of the contacts 31 of the receptacle connector main body 51 are connected to the corresponding pattern contact portions 46. In this state, using the above-described stopper member 56, the insertion portion 54 of the stopper member 56 is moved to the block portion 52.
Of the other printed circuit board 4
The receptacle connector main body 51 is fixed to the other printed circuit board 40 by press-fitting into the hole 57-1 of the “0”.

In this case, the head 55 of the stop member 56 presses the block portion 52 to press the receptacle connector main body 51 against the other printed circuit board 40 side.
Contact portion 44 of the terminal lead portion 42 surely contacts the corresponding pattern contact portion 46.

When the insertion portion 54 of the stop member 56 is inserted into the elongated hole 53 of the block portion 52, the insertion portion 5
4, there is a gap t of about 0.25 mm between the front and rear edges 54a, 54b and the front and rear ends 53a, 53b of the elongated hole 53, respectively. The distance between the left and right side portions 54c and 54d of the insertion portion 54 and the left and right side portions 53c and 53d of the long hole 53 is about 0.25 mm, respectively.
There will be some gaps.

Therefore, the plug connector main body 50 and the receptacle connector main body 51 can move about 0.5 mm in the left-right direction and the front-back direction, respectively.

Then, one printed circuit board 10 (the other printed circuit board 40) and the other printed circuit board 40
By bringing the (one printed circuit board 10) closer, the fitting protrusion (contact holding portion) 6 of the plug connector A is fitted into the fitting recess 34 of the receptacle connector B, and the contact portion 25 of the contact portion 23 of the contact 19. The contact 31
And the other printed circuit board 40 is connected.

When the plug connector A and the receptacle connector B are connected to each other, if there is a slight “shift” in the left, right and front and rear directions, the plug connector main body 50 and the receptacle connector main body 51 are moved in the left and right direction and front and rear direction, respectively. The plug connector A and the receptacle connector B are completely connected because the "displacement" is absorbed because the plug connector A and the receptacle connector B can move about 0.5 mm.

In the above-described second embodiment of the present invention, the fixing means for fixing the plug connector main body 50 and the receptacle connector main body 51 to the one and the other printed circuit boards 10, 40 is provided by the movable housings 3, 30. A block 52 is projected from the center of the left and right end faces, and a long hole 53 is provided in the block 52 in the front-rear direction.
Of the printed circuit boards 10 and 40 of the other and the other printed circuit boards 10 and 40.
11 (1) of FIG.
As shown in (2), the press-fit portion 58 is inserted into the insertion portion 54.
Using the stop member 56-1 provided with
The insertion portion 54 may be inserted into the elongated hole 53, and the press-fit portion 58 may be inserted and locked in the press-fit hole portion 59 provided in the one and the other printed circuit boards 10 and 40. In addition, as shown in FIG. 11C, by using the stopper member 56-2 in which the screw portion 59 is provided in the insertion portion 54, the insertion portion 543 of the stopper member 56-2 is inserted into the elongated hole 52, and , One and the other printed circuit boards 10, 4
The screw portion 59 may be screwed into the screw hole portion 60 provided at 0.

(Embodiment 3) FIGS. 12 and 1 show Embodiment 3 of a floating electrical connector according to the present invention.
3 is shown.

In the floating electric connector (Embodiment 3) according to the present invention, another connector floating fixing means is used in place of the connector floating fixing means of Embodiment 2 described above. Other configurations are the same as those of the above-described second embodiment.

The connector floating fixing means is provided on the left side of the movable housing 3 in the plug connector A.
A projection 61 is provided at the center of the right end face, and the plug connector main body 50 is placed on the mounting surface of one printed circuit board 10, and the contact part 24 of the terminal lead part 21 of the contact 19 of the plug connector main body 50 is Pattern contact portion 29
In this state, using a hooking member 64 having an inverted U-shape and provided with a press-fitting portion 63 at the ends of a pair of inserting portions 62, the press-fitting of the plugging portion 62 of the hooking member 64 is performed. Part 63
Of the plug connector body 50 is fixed to the printed circuit board 10 by pressing the protrusion 61 into the press-fitting hole 65 of the printed circuit board 10 and pressing the projection 61 with the curved portion 64A of the hanging member 64.

In this case, the plug connector main body 50 is pressed against one of the printed circuit boards 10 by pressing the projection 61 with the curved portion 64A of the hook member 64, and the terminal lead portion 21 of the contact 19 of the plug connector main body 50 is pressed. Contact part 24
Will surely contact the corresponding pattern contact portion 29.

Further, the receptacle connector main body 51 is placed on the mounting surface of the other printed circuit board 40, and the contact portions 44 of the terminal lead portions 41 of the contacts 31 of the receptacle connector main body 51 are connected to the corresponding pattern contact portions 46. In this state, the press-fitting portion 63 of the insertion portion 62 of the hooking member 64 is press-fitted into the press-fitting hole 65 of the other printed circuit board 30 using the hooking member 64, and the bent portion of the hooking member 64 is formed. The receptacle connector main body 51 is fixed to the other printed circuit board 40 by pressing the projection 61 with 64A.

In this case, the projection 61 is pressed by the curved portion 64A of the hanging member 64, so that the receptacle connector main body 51 is pressed.
To the other printed circuit board 40 side, and the hanging member 64
By pressing the protruding portion 61 with the curved portion 64A, the receptacle connector main body 51 is pressed against the other printed circuit board 40 side, and the contact portion 44 of the terminal lead portion 42 of the contact 31 of the receptacle connector main body 51 is replaced with the corresponding pattern contact. The part 46 is securely contacted.

When the press-fitting portion 63 of the insertion portion 62 of the hanging member 64 is press-fitted into the press-fitting holes 65 of the printed circuit boards 10 and 40 on the other side, the insertion portion 62 and the protrusion 61 are formed.
There is a gap t of about 0.25 mm between the front and rear edges 61a and 61b, respectively.
1 can move in the left-right direction with respect to the stop member 54.

Then, one printed circuit board 10 (the other printed circuit board 40) and the other printed circuit board 40
By bringing the (one printed circuit board 10) closer, the fitting protrusion (contact holding portion) 6 of the plug connector A is fitted into the fitting recess 34 of the receptacle connector B, and the contact portion 23 </ b> A of the contact portion 23 of the contact 19. Contact 3
The first printed circuit board 10 is connected to the other printed circuit board 40 by contacting the first contact portion 43.

When the plug connector A and the receptacle connector B are connected to each other, if there is a slight “shift” in the left, right and front and rear directions, the plug connector main body 50 and the receptacle connector main body 51 are moved in the left and right direction and front and rear direction, respectively. The plug connector A and the receptacle connector B are completely connected because the "displacement" is absorbed because the plug connector A and the receptacle connector B can move about 0.5 mm.

(Embodiment 4) FIGS. 14 and 15 show an embodiment of a floating electrical connector according to the present invention.
Shown in

In the floating electric connector according to the present invention (Embodiment 4), the plug connector main body 5
0 and the connector floating fixing means for fixing the receptacle connector main body 51 to one and the other printed circuit boards 10 and 40 are respectively provided by the movable housings 3 of the plug connector main body 50 and the receptacle connector main body 51.
The left and right end portions of the printed circuit board 30 are provided with locking members 71 serving as hooks via a mounting section 70, and a large number of pairs of pattern contact sections 29, 4 are provided on one and the other printed circuit boards 10, 40.
6, a pair of locking holes 72 long in the front-rear direction are provided to lock the locking body 71 in the locking holes 72. Other configurations are the same as those of the above-described embodiment of the present invention. Since this is the same as in Example 3, the same reference numerals are given and the description is omitted. The movable housings 3, 30 of the plug connector main body 50 and the receptacle connector main body 51, the mounting portion 70, and the locking body 71 may be integrally formed.

That is, the locking body 71 is formed by forming a locking claw 75 facing outward on the front side of a pin-shaped body 74 divided into two by a split groove 73. 71
Of the plug connector main body 50 and the receptacle connector main body 51 by inserting the plug connector body 50 and the receptacle connector main body 51 into the locking hole portions 72 of the printed circuit boards 10 and 40 and hooking the locking claw portions 75 in the locking hole portions 72. And the other printed circuit boards 10 and 40.

In this case, the locking claw 75 of the locking body 71 is hooked on the locking hole 72 to press the plug connector main body 50 and the receptacle connector main body 51 against one and the other printed circuit boards 10 and 40. Contact portions 2 of the terminal leads 21 and 41 of the contacts 19 and 31 of the plug connector body 50 and the receptacle connector body 51
4 and 44 reliably contact the corresponding pattern contact portions 29 and 46.

When the locking body 71 is inserted into the locking hole 72 of the one and the other printed circuit boards 10 and 40 and the locking claw 75 is hooked on the locking hole 72, FIG.
As shown in (1), there is a gap t of about 0.25 mm between the pin-shaped body 74 of the locking body 71 and the front and rear edges 72a, 72b of the locking hole 72. , Locking body 71
Can move in the locking hole 72 in the front-rear direction. FIG.
As shown in (2), there is a gap t-1 of about 0.25 mm between the pin-shaped body 74 of the locking body 71 and the left and right sides 72c, 72d of the locking hole 72. Then, the locking body 71 can move in the locking hole 72 in the left-right direction.

Then, one printed circuit board 10 (the other printed circuit board 40) and the other printed circuit board 40
By bringing the (one printed circuit board 10) closer, the fitting protrusion (contact holding portion) 6 of the plug connector A is fitted into the fitting recess 34 of the receptacle connector B, and the contact portion 23 </ b> A of the contact portion 23 of the contact 19. Contact 3
The first printed circuit board 10 is connected to the other printed circuit board 40 by contacting the first contact portion 43.

When the plug connector A and the receptacle connector B are connected to each other, if there is a slight “shift” in the left, right and front and rear directions, the plug connector body 50 and the receptacle connector body 51 are moved in the left and right direction and front and rear direction, respectively. The plug connector A and the receptacle connector B are completely connected because the "displacement" is absorbed because the plug connector A and the receptacle connector B can move about 0.5 mm.

In the first to fourth embodiments, both the plug connector A and the receptacle connector B have a floating mechanism. However, only one of the plug connector A and the receptacle connector B may have a floating mechanism. Good.

[0088]

As described above, according to the floating electric connector of the present invention, the connector body is constituted by mounting a large number of contacts, each having a contact portion on a lead terminal portion, in a movable housing. The main body is disposed on the substrate by sliding the contact portion of the lead terminal portion to the pattern contact portion of the substrate, and the connector main body is moved to the substrate by the connector floating holding means in the plane direction of the substrate. The connector body can be moved in the plane direction of the board by sliding the contact part of the lead terminal part of the contact to the pattern contact part of the board by holding the connector body as possible. When connecting the mating connector, slight "shift" in the left, right, front and back directions
If there is, the connector main body can move in the left-right direction and the front-back direction, respectively, to absorb the “displacement”.

As described above, the connector body can move (float) by bringing the contact portion of the lead terminal portion of the contact into sliding contact with the pattern contact portion of the substrate, and there is no soldered portion that causes stress due to floating. So
Contact failure due to the occurrence of solder cracks can be eliminated. In addition, since soldering can be omitted, an environment-friendly solderless connector can be obtained, and the connector can be easily recycled.

Further, since the connector floating holding means is configured by pressing the connector body toward the substrate with a fixing member fixed to the substrate, the connector body is pressed against the substrate with the fixing member. The contact portion can be brought into sliding contact with the pattern contact portion.

Further, the connector floating holding means fixes the fixed housing to the substrate, makes at least a part of the fixed housing contact the movable housing of the connector main body, and connects the fixed housing to the movable housing by the fixed housing. By forming the guide portion surrounding the mating connector fitting portion provided, not only can the connector body be pressed against the substrate side by the fixed housing to make the contact portion slidably contact the pattern contact portion, but also the fixed housing. Thus, the guide portion is formed by surrounding the mating connector fitting portion provided on the movable housing, so that the mating connector can be easily coupled.

Further, the connector floating holding means is inserted into a hole provided at both ends of the connector main body with play around the hole and a stopper member is inserted. The connector body is fixed to the board, and the connector body is pressed against the board side by the stop member, so that the connector body is pressed toward the board side by the stop member, and the contact portion slides on the pattern contact portion. be able to.

Further, the connector floating holding means is slidably hooked on a projection provided at both ends of the connector main body, and the hanging member is fixed to the substrate. Since the connector main body is configured to be pressed against the substrate, the connector body can be pressed against the substrate with the hanging member and the protrusion, and the contact portion can be brought into sliding contact with the pattern contact portion.

In addition, the connector floating holding means is provided with a hook having hook portions at both ends of the connector main body, and the tip of the hook is inserted into a hole provided in the substrate. The connector body is drawn to the board side by slidably hooking the hooking claw portion on the peripheral edge of the hole, so that the connector body can be drawn to the board side by the hooking portion, and the contact is made. The part can be brought into sliding contact with the pattern contact part.

In addition, since the fixed housing is made of a conductive material and used as a shield member, not only can the connector main body be pressed against the substrate side by the fixed housing so that the contact portion slides on the pattern contact portion. The fixed housing can be a shield member.

[0096] Further, an engagement recessed portion in which an engagement projection at the other end of the adjacent movable housing is detachably engaged with one end of the movable housing of the connector main body, and an engagement recess adjacent to the other end. By providing the engagement projections which are detachably engaged with the engagement recesses at the other end of the movable housing, the movable housings can be connected in a daisy chain and provided for reel packaging. In the case of reel packaging (emboss packaging), packaging materials other than reels can be eliminated.

[Brief description of the drawings]

FIG. 1A is a cross-sectional view of a floating electrical connector according to the present invention (Embodiment 1) before a plug connector and a receptacle connector are joined.
FIG. 2B is a cross-sectional view of the floating electrical connector according to the present invention in a state where the plug connector and the receptacle connector are connected to each other.

FIG. 2 is an exploded perspective view of a plug connector of the floating electrical connector.

FIG. 3 is a perspective view of the floating electrical connector in an assembled state of a plug connector.

FIG. 4 is a side view of a plug connector main body of the plug connector.

FIG. 5 is a perspective view of a left portion of the plug connector.

FIG. 6 is an exploded perspective view of the receptacle connector in the floating electrical connector.

FIG. 7 is a perspective view of a floating electrical connector according to the present invention in which a fixing means of a fixing housing of a plug connector is partially omitted.

FIG. 8 is an exploded perspective view of a floating electrical connector according to the present invention (Embodiment 2) in which a connector floating holding means of a plug connector is disassembled.

FIG. 9 is a partially omitted perspective view of a plug connector in a floating electrical connector (Embodiment 2) according to the present invention.

FIG. 10 is a configuration explanatory view showing a state where a connector floating holding means is sectioned in the plug connector.

FIG. 11 is a perspective view of a stopper member. (2) is an explanatory view of a state where the fitting member of the stopper member is locked to the printed circuit board. (3) is explanatory drawing of the screwing state of the screw part of a stopper member to a printed circuit board.

FIG. 12 is a partially omitted perspective view of a plug connector in a floating electric connector (third embodiment) according to the present invention.

FIG. 13 is a configuration explanatory view of the plug connector in a state in which a connector floating holding means is sectioned.

FIG. 14 is a partially omitted perspective view of a plug connector in a floating electrical connector (Embodiment 4) according to the present invention.

FIG. 15 (1) is a structural explanatory view of the plug connector in a state where a connector floating holding means is sectioned. FIG. 2B is a sectional view taken along line XX of FIG.

FIG. 16A is a perspective view of a state before the movable housing is connected. (2) is a perspective view of the connected state of the movable housing.

[Description of Signs] 1 Plug connector body (connector body) 3 Movable housing 4 Fixed housing (fixing member) 10 Printed circuit board (board) 19 Contact 21 Lead terminal section 24 Contact section 25 Holding section 29 Pattern contact section

Claims (8)

[Claims] 1. A connector body comprising a movable housing and a number of contacts each having a contact portion provided on a lead terminal portion, and the connector body is moved relative to a mounting surface in a plane direction of the mounting surface. And a connector floating holding means for holding the contact portion of the lead terminal portion in slidable contact with the pattern contact portion of the mounting surface. 2. The connector floating holding means,
The floating electrical connector according to claim 1, wherein the connector main body is configured to be pressed toward the substrate by a fixing member fixed to the substrate. 3. The connector floating holding means,
A fixed housing is fixed to the substrate, at least a part of the fixed housing is brought into contact with the movable housing of the connector body, and the fixed housing surrounds a mating connector fitting portion provided on the movable housing with a guide portion. The floating electrical connector of claim 1 formed and configured. 4. The connector floating holding means,
Into the holes provided at both ends of the connector body, a stop member is inserted with play around the hole, and the stop member is fixed to the substrate. 2. The floating electrical connector according to claim 1, wherein the main body is pressed against the substrate. 5. The connector floating holding means,
A hook member is slidably hooked on protrusions provided at both ends of the connector body, the hook member is fixed to the board, and the connector body is pressed against the board by the hook member. The floating electrical connector according to claim 1. 6. The connector floating holding means,
At each end of the connector main body, a hook having a hook portion at a tip portion is provided, and a tip portion of the hook portion is inserted into a hole provided in the substrate, and the hook claw is inserted into the hole. 2. The floating electrical connector according to claim 1, wherein said connector body is slidably hooked on a peripheral portion to draw said connector body toward said board. 7. The floating electrical connector according to claim 3, wherein said fixed housing is made of a conductive material to form a shield member. 8. An engaging concave portion, in which an engaging protrusion of the other end of the adjacent movable housing is detachably engaged with one end of the movable housing of the connector main body,
2. The floating electrical connector according to claim 1, further comprising an engagement projection that is removably engaged with an engagement recess at the other end of the adjacent movable housing.