JPH051187U - Transmission connector structure - Google Patents

Abstract

(57) [Summary] (Correction) [Purpose] The bending points that change the direction of the terminals are matched, the transmission characteristics can be improved, and the distance of the transmission section can be made short by impedance control. Provided is a transmission connector structure that can be used. [Structure] The insulating block body 3 is provided with terminal connection holes 9 and 10 parallel to the substrate, and the insulating block body 3 is perpendicular to the terminal connection holes 9 and 10 and is also a substrate connection post 27.
Are provided, and the contact portion inside one terminal connection hole 9 and the contact portion inside one connection post accommodation hole 11 are connected by one printed circuit 17 and the other The exchange block 1 in which the contact portion inside the terminal connection hole 10 and the contact portion inside the other connection post accommodating hole 12 are connected by the other printed circuit 16 is the substrate connection post 2
7 is mounted on a board by means of 7, and the terminal 26 of the straight header 2 is inserted into the terminal connection holes 9 and 10 of the exchange block 1.
And insert the straight header-2 into the exchange block 1.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

  This device is a connector that takes out terminals parallel to the board surface and is suitable for high-speed transmission. Related to the connector structure.

[0002]

[Prior art]

  Conventionally, as a connector for taking out a terminal parallel to the board surface, a light connector shown in FIG. There is a single header-30. This right angle header-30 is made of insulating resin. The head body 31 is formed into a shape, and a fitting recess is provided on the front surface of the head body 31. A part 31a is formed, and terminals 32 and 33 are attached to the top and bottom of the head body 31. The contact portions 32a and 33a of these terminals 32 and 33 are inserted into the fitting recess 32. And the legs 32b and 33b of the terminals 32 and 33 are bent at a right angle, Insert the legs 32b and 33b into the through-hole 35 of the board 34 and solder them. The right angle header-30 is mounted on the board 34.

[0003]

[Problems to be solved by the device]

  However, the right angle header-30 described above is more suitable for the terminals 32 and 33. The bending point that changes the direction becomes longer than the straight header, and this bending point is The transmission characteristic was deteriorated at the mismatched portion.

[0004]   In order to improve the characteristics of the bent portion that changes the direction of the terminals 32 and 33, it is shown in FIG. Connect the FPC 36, which is impedance matched, to the straight header 35 as follows. Although it is possible to continue using it, there were problems with mounting strength and connection man-hours.

[0005]   This invention was made in order to solve the above problems, and the first The target is the transmission part of one printed circuit and the transmission part of the other printed circuit. The distance t between and can be made the same throughout the transmission section, and the direction of the terminals can be changed. The bending points to be exchanged are matched, the transmission characteristics can be improved, and the distance of the transmission section is improved. t can be a short distance with impedance control, and mounting strength and connection An object of the present invention is to provide a transmission connector structure in which the number of steps is significantly improved.

[0006]   The second object of the present invention is to provide a bent portion that changes the direction of the terminal. The connector for transmission that can easily manufacture a connector with improved transmission characteristics. It is to provide a nectar structure.

[0007]

[Means for Solving the Problems]

  In order to achieve the above first object, the present invention provides an insulating block body and a substrate. Parallel terminal connection holes are provided and the insulation block body is at a right angle to the terminal connection holes. And a connection post accommodating hole for accommodating the board connection post, and one terminal connection hole Use one printed circuit to connect the internal contact part and the contact part inside one of the connection post housing holes. While connecting, the contact part inside the other terminal connection hole and the inside of the other connection post accommodating hole To the replacement block that connects the contact part of the A switch having a terminal that is removably attached and that is inserted into the terminal connection hole of the exchange block. And a trace header.

[0008]   Also, in order to achieve the above-mentioned second object, the present invention ejects a replacement block. Molded circuit parts.

[0009]

[Action]

  With this configuration, the transmission section of one printed circuit and the transmission section of the other printed circuit The distance t to the part can be made equal over the entire transmission part, and Compared to the ruler header, the bent part that changes the direction of the terminal matches and the transmission characteristics are improved. And the distance t of the transmission section is set to a short distance controlled by impedance control. You can In addition, in order to improve the characteristics of the bent part that changes the direction of the terminal , Compared to the one in which the impedance matched FPC is connected to the straight header. In all, mounting strength and connection man-hours are significantly improved.

[0010]   Also, by changing the exchange block to an injection molded circuit component, the direction of the terminals can be changed. The bent portions are aligned to facilitate the manufacture of a connector having improved transmission characteristics.

[0011]

【Example】

  An embodiment of the present invention will be described in detail with reference to the drawings. Figure 1 shows the transmission according to this invention. 2 is a cross-sectional view of the connector structure for a vehicle, FIG. 3 is a plan view of a conversion block, and FIG. Is a cross-sectional view taken along the line 3A-A in FIG. 3, and FIG. This device The transmission connector structure of is composed of a conversion block 1 and a straight header-2. ing.

[0012]   The conversion block 1 includes an insulating block body 3, and the insulating block body 3 The main part has a L-shaped cross section, and has a vertical wall portion 3a and a horizontal wall portion 3b. A thick partition wall 4 is formed on the left and right of the insulating block body 3, and A portion of the dock body 3 outside the partition wall 4 is formed as a mounting portion 5. These mounting parts 5, the vertical wall portion 3a is provided with an engagement hole 6, and the horizontal wall portion 3b is provided with an attachment hole 7. . Further, in the insulating block body 3, a plurality of partition walls 8 are provided in the left-right direction between the left and right partition walls 4. It is provided at a predetermined interval.

[0013]   Between the partition wall 4 and the partition wall 8 and between the partition wall 8 and the vertical wall portion 3a of the insulating block body 3. Terminal connection holes 9 and 10 are formed on the upper and lower sides of the insulating block. The lateral wall portion 3b of the main body 3 is located between the partition wall 4 and the partition wall 8 and between the partition walls 8. Connection post accommodation holes 11 and 12 are formed in the front and rear, and the connection post accommodation hole 11 is The lower part is a through hole with the same diameter, but the upper part of the connection post accommodating hole 12 has a small diameter. Thus, the small diameter portion 12a is formed. Also, a connection post is provided at the base of the lateral wall portion 3b. A communication hole 13 is formed in parallel with the accommodation holes 11 and 12, and the communication hole 13 is a terminal connection hole. I have reached 10. Then, from this terminal connection hole 10 through the communication hole 13 to the lateral wall portion. The circuit formation portion 14 is formed in a portion extending to the lower surface portion of 3b, and is formed vertically from the terminal connection hole 9. The portion extending from the front surface of the wall portion 3a to the upper surface portion of the lateral wall portion 3a becomes the circuit forming portion 15. I am doing it.

[0014]   The insulating block body 3 configured as described above is formed by injection molding. So Then, the insulating block body 3 which is an injection molded product is printed by a method such as chemical plating. Circuit 16 and 17 are formed in the circuit forming portions 14 and 15. That is, The replacement block 1 is an injection molded circuit component.

[0015]   PCK technology developed for three-dimensional circuits includes PSP (Photo Select). and the Mold-n-Plete (2Shot) method. Depending on the shape of the molded product or circuit and the production quantity, it can be used properly. PSP method is copper salt Is coated on the surface of the molded product and the inside of the through-hole, and the The positive pattern is exposed to UV and developed (washed with water). The part exposed to light is copper salt Is reduced to metallic copper and becomes the core of copper plating. Form a circuit by electroless copper plating on this It is something.

[0016]   Also in this invention, an insulating block which is an injection molded product by the PSP method described above. Printed circuits 16 and 17 are formed on the main body 3. That is, insulation block book Inside of the terminal connection holes 9 and 10 of the body 3, inside of the connection post accommodating holes 11 and 12, the circuit forming portion 14 and 15 are coated with a photosensitizer, and the positive pattern is exposed to UV for development. (Wash with water). Copper salt is reduced to metallic copper and becomes the nucleus of copper plating in the area irradiated with light. . Printed circuits 16 and 17 are formed on this by electroless copper plating. But Therefore, the contact portion 18 formed inside the terminal connection holes 9 and 10 has the printed circuit 16 interposed therebetween. And is short-circuited to the contact portion 19 formed inside the connection post accommodating hole 12, and The contact portion 20 formed inside the terminal connection hole is connected to the connection post via the printed circuit 17. It is short-circuited to the contact portion 21 formed inside the accommodation hole 11.

[0017]   Then, the transmission unit 16a of the printed circuit 16 and the transmission unit 17a of the printed circuit 17 The distance t between and is the same in the entire area of the transmission portions 16a and 17a. But Therefore, the distance t between the transmission portions 16a and 17a between the opposing terminals is controlled by impedance control. It is possible to form a large distance.

[0018]   Further, in the printed circuit 17, a hole-like portion 17b is formed in the pattern, The small diameter portion 12a of the connection post accommodating hole 12 is located in this hole portion 17b. Since the pattern is formed without avoiding it, the transmission distance is shortened. Contact A board connecting post 27 is housed in the connecting post housing holes 11 and 12, and The strike 27 contacts the contact portions 19 and 21 formed inside the connection post receiving holes 11 and 12. I'm touching.

[0019]   The straight header 2 has a head body 23, and the left and right sides of the head body 23 are Are formed on the mounting legs 24, and these mounting legs 24 are provided with engaging projections 25. There is. Further, the head body 23 is provided with a plurality of terminals 26 arranged in two rows. It is attached.

[0020]   In the conversion block 1 described above, the board connection post 27 is connected to the through hole 29 of the board 28. Mounted on the substrate 28. This conversion block 1 has a straight head Insert the terminal 26 of D-2 into the terminal connection holes 9 and 10 and engage the engaging projection 25 by soldering or the like. Are engaged with the engaging holes 6 and are coupled.

[0021]   According to the above embodiment, the transmission portion 16a of the printed circuit 16 and the printed circuit 17 are The distance t between the transmission section 17a and the transmission section 17a is equal in all areas of the transmission sections 16a and 17a. And a bending point that changes the direction of the terminal compared to a right angle header. It is possible to improve the transmission characteristics by matching the positions, and the distance between the transmission parts 16a and 17a. The separation t can be a short distance controlled by impedance. Also, the direction of the terminals In order to improve the characteristics of the bent part that converts the Mounting strength and connection man-hours are significantly larger than those with dance-matched FPCs connected. Be improved.

[0022]

[Effect of device]

  As described in detail above, this invention has a terminal connecting hole parallel to the substrate in the insulating block body. In addition, the insulating block main body is provided with a right angle to the terminal connection hole and the board connection port. A connection post accommodating hole for accommodating the strike is provided so as to be aligned with the contact portion inside one of the terminal connection holes. While connecting the contact part inside one of the connection post housing holes with one printed circuit, The contact part inside the other terminal connection hole and the contact part inside the other connection post accommodation hole are The exchange block connected with the printed circuit of was mounted on the board by the board connection post. Insert the straight header terminal into the terminal connection hole of this exchange block. A straight header can be attached to the exchange block. Therefore, one Transfer the distance t between the transfer part of one printed circuit and the transfer part of the other printed circuit Can be made the same in the entire area of the part, and compared to the right angle header- The bending points that change the direction of the child are aligned and the transmission characteristics can be improved, The distance t of the transmission section can be set to a short distance by impedance control. Also, In order to improve the characteristics of the bent part that changes the direction of the terminal, , Mounting strength and connection work are better than those with connected impedance matched FPC. The number is greatly improved.

[0023]   Also, in this invention, the replacement block is an injection molded circuit component, so the direction of the terminal It is easy to manufacture a connector with improved transmission characteristics by matching the bending points that convert the You can

[Brief description of drawings]

FIG. 1 is a perspective view of a transmission connector structure according to the present invention.

FIG. 2 is a sectional view of the same.

FIG. 3 is a plan view of a replacement block.

FIG. 4 is a sectional view taken along the line AA of FIG.

FIG. 5 is a view from the direction of FIG. 4B.

FIG. 6 is a sectional view of a mounted state of a right angle header as a conventional transmission connector structure.

FIG. 7 is a perspective view showing a state in which an FPC is mounted on a straight header as a conventional transmission connector structure.

[Explanation of symbols]

1 exchange block 2 Straighter header- 3 Insulation block body 9,10 terminal connection hole 11, 12 Board connection post receiving hole 16, 17 Printed circuit 26 terminals 27 PCB connection post

Claims (2)

[Scope of utility model registration request] 1. An insulating block main body is provided with a terminal connecting hole parallel to a substrate, and an insulating block main body is provided with a connecting post accommodating hole which is orthogonal to the terminal connecting hole and accommodates a substrate connecting post. The contact part inside the connection hole and the contact part inside one connection post accommodating hole are connected by one printed circuit, and the contact part inside the other terminal connection hole and the contact part inside the other connection post accommodating hole are connected. A transmission connector structure comprising: an exchange block connected by the other printed circuit; and a straight header having a terminal detachably attached to the exchange block and inserted into a terminal connection hole of the exchange block. . 2. The transmission connector structure according to claim 1, wherein the replacement block is an injection molded circuit component.