JPH0751747Y2 - connector - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector, and more particularly to a connector in which a large number of connector pins are provided in a plurality of rows in the board insertion direction.

2. Description of the Related Art For example, as a connector into which a board terminal portion is inserted,
There are the ones shown in Figure 10. In the conventional connector shown in FIG. 10, connector pins 4 are provided in a connector body 3 having a board insertion port 2 into which a board 1 is inserted. Connector pin 4
Is bent in a U shape so as to come into contact with the terminal 1a provided at the tip of the substrate 1, and its end 4a is brought into contact with and locked by the wall 3a of the connector body 3. The end portion 4a is elastically deformed and locked to the wall 3a, and is held in a state where a preload is applied. Therefore, when the board 1 is inserted into the board insertion opening 2, the connector pin 4 is displaced so that the end portion 4a thereof is separated from the wall 3a and comes into close contact with the terminal 1a.

However, if the number of connector pins in the above-mentioned conventional connector increases, the size of the connector body 3 becomes large and an extra installation space is required. Therefore, it has been considered to provide a plurality of rows of a plurality of connector pins in the board insertion direction to reduce the size of the connector body 3. However, when a plurality of connector pins are provided in a plurality of rows, since the connector pins in the first row and the connector pins in the second row are close to each other, the ends of a large number of connector pins in a narrow space as in the conventional case. There is a problem that it is difficult to lock the part to the wall of the connector body.

Then, this invention aims at providing the connector which solved the said subject.

Means for Solving the Problems The present invention has a board insertion port into which a board terminal portion having a plurality of rows of terminals is inserted, and a plurality of rows of connector pins that abut the terminals of the plurality of rows are provided in the board insertion port. A connector provided, having an engaging portion extending in a board insertion direction so as to engage with each tip of the plurality of rows of connector pins, the engaging portion being inserted into the board insertion opening. Includes a holding member that slides the connector pins in a plurality of rows and holds the connector pins in a preloaded state.

By inserting a holding member having an engaging portion that engages with the respective tip portions of a plurality of rows of connector pins into the board insertion opening, the plurality of rows of densely arranged connector pins are elastically deformed at the same time and the board terminals are provided. The parts can be inserted into the board insertion port, and preload is applied to the connector pins in a plurality of rows.

Embodiment FIG. 1 and FIG. 2 show an embodiment of the connector according to the present invention.

In FIG. 1, the connector 11 is formed by inserting a large number of connector pins 12 (12 _{1 to} 12 ₅ ) to 15 (15 ₁ to 15 ₅ ) in a connector body 11a. Each connector pin 12-15 is the connector body 11a
The connector pins 12 and 13 are provided on the upper side of the board insertion opening 16 and the connector pins 14 and 15 are provided on the lower side of the board insertion opening 16 so as to project into the board insertion opening 16 that opens to the front surface 11b of the board. It is provided. Thus, above the open side on the substrate insertion port 16, the lower the first column of the connector pin 12 (12 ₁ to 12 _5), 1
4 (14 _{1 to} 14 ₅ ) and the second row connector pin 13 (13 ₁ to 1)
3 _5), 15 (15 ₁ to 15 ₅₎ are provided displaced in the insertion direction. As a result, connector 11 has 20 pins of connector pins.
Despite having 12-15, it has a compact structure.

Reference numeral 17 denotes a holding member, which is formed of an insulating synthetic resin, is inserted into the board insertion opening 16 of the connector body 11a as will be described later, and applies manual pressure to the above-mentioned many connector pins 12 to 15 and the connector in that state. Hold pins 12-15. Reference numeral 18 denotes a substrate on which a large number of electronic components (not shown) are arranged, and the connection terminal portions 18a and 18b to be inserted into the insertion holes 17a of the holding member 17 project from the edge portion thereof as shown in FIG. ing. The connection terminal portions 18a and 18b are respectively connector pins 12 to 15 of the connector 11.
In addition, a large number of terminals 18a ₁ ~
18a ₂₀ , 18b _{1 to} 18b ₂₀ are formed. Therefore, the substrate 18
Connection terminal 18a, 18b each terminal 18a to be inserted into the board insertion port 16 of the connector _{11 1 ~18a 20, 18b 1 ~18b} 20 abuts the connector pins 12 to 15. On the other hand, the connector 11 is a board insertion port.
It has a female connector section 19 on the side opposite to 16,
A pair of protrusions 19a and 19b from which the other ends of the connector pins 12 to 15 extend are protruded from the connector 19.

Reference numeral 20 denotes a male connector, which has insertion holes 20a and 20b into which the projecting portions 19a and 19b are fitted, and connector pins 21 (21 which contact the other ends of the connector pins 12 to 15 inside the insertion holes 20a and 20b). ₁ to 21 ₅₎
~ 24 (24 _{1 to} 24 ₅ ) are arranged.

As shown in FIG. 3, the holding member 17 is detachably attached to the connector body 11a, and the connector pins 12 to 15 are inserted into the mounting grooves 11c to 11f provided in the connector body 11a from the front surface 11b side. Then, it is inserted into the board insertion port 16.

As shown in FIG. 4, a pair of connection holes 11h and 11i are opened in the rear surface 11g of the connector body 11a, and the above-mentioned female connector portions 19 and 19 are provided in the connection holes 11h and 11i.
Further, the rear surface 11g and both side surfaces 11j, 11k of the connector body 11a are covered with a shield member 25. Reference numeral 26 is a mounting portion, which is screwed to a bracket (not shown) or the like. The shield member 25 also extends to the lower surface side of the mounting portion 26, and is attached to a bracket or the like and at the same time is grounded via the bracket.

As shown in FIG. 5, the front surface 11b of the connector body 11a has a pair of board insertion openings 16, 16. Each board insertion slot 16,16
As described above, the connector pins 12 to 15 are inserted therein. The connector pin 12 (12 ₁ to 12 _5), 13 _{(131-134 5)}
And the connector pins 14 (14 _{1 to} 14 ₅ ), 15 (15 ₁ to 15 ₅ ) are arranged symmetrically in the upper and lower sides, and as shown in FIG. It is divided into 12 (14) and connector pins 13 (15) in the second row on the rear side.

Each connector pin 12 (14) extends longer than the connector pin 13 (15), and the bent portion A (B) bent in a letter-like shape at the terminal portion 18a of the substrate 18 is at each terminal 18a. ₁ ~ 18a ₅ , 18
The bent portions C (D) of the short connector pins 13 (15) are in contact with the a _{11 to} 18a ₁₅ and the terminals 18a _{6 to} 18a ₁₀ and 18a _{16 to} 18a of the board 18 are connected.
It also contacts ₂₀ . Similarly, in the terminal portion 18b of the board 18, the bent portions A to D of the connector pins 12 to 15 are also formed to the respective terminals 18b ₁
Abut on ~ 18b ₂₀ .

As shown in FIG. 6, the tips of the connector pins 12 to 15 are T-shaped.
The protrusion 27a is formed in a letter shape and protrudes in the left-right direction.
With 27b. In contrast, the front surface 11b of the connector body 11a
As shown in FIGS. 7 to 9, the holding member 17 attached to the base 17A is inserted into the front concave portion 28 of the connector body 11a, and the holding portion is inserted into the board insertion ports 16 and 16 of the connector body 11a. It consists of 17B and 17C. Since the holders 17B and 17C have the same configuration, the holder 17B will be described here.

Holding portion 17B is the upper engaging portion 17B ₁ ~17B ₆ and the lower engaging portion 17B
_{7 to} 17B ₁₂ and each of them is separated by a dimension 1 in the vertical direction (9th
See the figure). The engaging portions 17B _{1 to} 17B ₁₂ are arranged at intervals between the connector pins 12 to 15, that is, the connector pins 12 ₁ and 12 ₂ and 12 respectively.
₂ and 12 ₃ , 12 ₃ and 12 ₄ , and 12 ₄ and 12 ₅ are projected at intervals to be inserted. Further, engaging portions 17B ₁ ~17B ₁₂ orbit 29 projecting respectively left and right direction extend in the board insertion direction (X direction). The base 17A so front corner portion is a chamfered portion 17A ₁ ~17A _5, has an insertion shape which is easy on the front recess 28 of the connector body 11a. Further, an inclined surface 17A ₆ that restricts the insertion direction is provided at one corner of the base 17A.

When assembling the holding member 17 made of the above construction the connector body 11a, first, an inclined surface 17A ₆ of the holding member 17 connector body
The holding member 17 is pressed in the X direction so as to match the inclined surface 28a of the front concave portion 28 of 11a. In this way, when the holding portions 17B and 17C of the holding member 17 are inserted into the board insertion opening 16, each holding portion 17B
B, 17C engaging parts 17B _{1 to} 17B ₁₂ are the connector pins 12 of the first row.
Enters between _{1-12 5,} 14 _{1-14 5.} That is, as the holding member 17 is inserted, the connector pins 12 _{1 to} 12 ₅ and 14 _{1 to} 14 ₅
Protrusions 27a, 27b are projected from the engaging portions 17B ₁ ~17B ₁₂ X of
Riding relatively on the track 29 extending in the direction.

Further, when the base 17A is pressed in the X direction, the projecting portions 27a and 27b of the connector pins 12 _{1 to} 12 ₅ and 14 _{1 to} 14 _{5 in} the first row slide along the track 29 to bend portions A and B. the displaced in a direction away from each other, further, when the base 17A is pressed in the X direction, the holding portion 17B, 17C will be further enters the substrate insertion port 16, the first column of the connector pins 12 ₁ - 12 ₅ and 14 _{1 to} 14 ₅ are the orbits
While sliding 29, the second row connector pins 13 ₁ to 1
3 _5, 15 _{1-15 5} rides on the track 29. Then, as shown in FIG. 1, the base 17A of the holding member 17 is connected to the connector body 11a.
When mounted in the front concave portion 28, the connector pins 12 to 15 in the first and second rows are elastically deformed to positions separated by the dimension l,
Further, the track 29 of the holding member 17 holds the pre-loaded state.

As described above, even when the connector pins 12 to 15 are provided in a plurality of rows not only on the upper and lower sides but also in the front-rear direction (X direction), the holding member 17 is inserted into the board insertion opening 16 as described above. Only then, the densely arranged connector pins 12 to 15 can be held in a pre-loaded state. Therefore, as shown in FIG. 1, when the terminal portions 18a and 18b of the board 18 are inserted into the board insertion opening 16 from the insertion holes 17a, the connector pins 12 to 15 are formed.
The bent portions A to D are the terminals 18a ₁ to 18 of the terminal portions 18a and 18b, respectively.
It is possible to contact the a ₂₀ , 18b _{1 to} 18b ₂₀ with a stable pressing force, and the connection between the connector pins 12 to 15 and each terminal can be reliably performed.

Although the connector pins are provided in two rows in the above embodiment, the present invention can of course be applied to a connector provided with a plurality of rows of connector pins of two or more rows.
In the above embodiment, one connector main body is provided with two board insertion openings, but the present invention is not limited to this, and the board insertion openings may be one or two or more.

Effect of the Invention As described above, the connector according to the present invention can be installed in a plurality of rows by simply inserting a holding member having an engaging portion that engages each tip of the connector pins arranged in a plurality of rows into the board insertion port. Since the connector pins can be elastically deformed in a preloaded state and held in that position, it is possible to easily preload each connector pin even if the connector pins are densely arranged in multiple rows. it can. Therefore, it is advantageous in reducing the size of a connector having a large number of connector pins, and has a feature that even if a plurality of rows of connector pins are densely arranged, they can be stably and reliably connected to a substrate.

[Brief description of drawings]

FIG. 1 is a longitudinal sectional view for explaining an embodiment of a connector according to the present invention, FIG. 2 is a plan view showing a terminal portion of a board, and FIG. 3 is a case where a connector body and a holding member are separated. FIG. 4 is a rear view of the connector main body, FIG. 5 is a front view of the connector main body, FIG. 6 is a horizontal sectional view taken along line VI-VI in FIG. 3, and FIG. A front view, FIG. 8 is a plan view of the holding member, FIG. 9 is a vertical sectional view taken along line IX-IX in FIG. 7,
FIG. 10 is a vertical sectional view for explaining a conventional connector. 11 …… Connector, 11a …… Connector body, 12 (12 ₁ to 1
2 ₅ ) ~ 15 (15 ₁ ~ 15 ₅ ) ... Connector pin, 16 ... Board insertion port, 17 ... Holding member, 17A ... Base, 17B, 17C ... Holding part, 17B ₁ ~ 17B ₁₂ ... Engagement part, 19 ... Female connector part, 21-24 ... Connector pins, 27a, 27b ... Protrusion part, 29
…… Orbit.

Claims (1)

[Scope of utility model registration request] 1. A connector comprising a board insertion opening into which a board terminal portion having a plurality of rows of terminals is inserted, and wherein a plurality of rows of connector pins abutting the plurality of rows of terminals are provided at the board insertion opening. An engaging portion extending in the board insertion direction so as to engage with the respective tip portions of the plurality of rows of connector pins, and the engaging portion is inserted into the board insertion opening so that the engagement portion has a plurality of rows of connectors. A connector comprising a holding member for sliding the pin and holding the connector pin in a preloaded state.