JPH0621161U - Connection structure between printed circuit board and terminal board - Google Patents

Abstract

(57) [Abstract] [Purpose] To obtain a connection structure between a printed circuit board and a terminal board that is easy to connect and that allows easy assembly and maintenance of electrical equipment. [Structure] Base 2, a plurality of partition walls 3a to 3d standing on the base 2 at a predetermined interval, and at least partition walls 3a to 3d
Insert metal fitting 5a embedded in the base 2 between
Terminal blocks 1 to 5d and slits 11a to 11d, which are provided at end portions and into which the partition walls 3a to 3d of the terminal boards 1 are fitted,
Printed circuit board 1 including at least through holes 12a to 12d provided between slits 11a to 11c and conductive portions 13a to 13d provided around the through holes 12a to 12d
0 and a plurality of terminal screws 15 screwed into the insert fittings 5a to 5d of the terminal board 1 through the through holes 12a to 12d of the printed circuit board 10.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a connection structure between a printed circuit board mounted on an electric device and a terminal board including power supply terminals, input / output terminals and the like.

[0002]

[Prior art]

 FIG. 5 is a perspective view showing an example of a conventional connecting structure between a printed circuit board and a terminal board. In the figure, reference numeral 20 denotes a front panel having a U-shaped cross section, a terminal board mounting hole 21 is provided at substantially the center thereof, and supporting arms 22a and 22b are provided on the back surface thereof. Reference numeral 23 is a printed circuit board which is attached to the support arms 22a and 22b on the back surface of the front panel 20 at right angles thereto by screws 25. In the following description, the conductive pattern of the printed circuit board 23 and the electric components mounted on the conductive pattern are omitted unless otherwise required.

Reference numeral 30 is a terminal board fixed to the front surface of the front panel 20 corresponding to the terminal board mounting holes 21, and terminals 32 a, 32 b, ... Are provided between the partition walls 31, respectively. The terminal board 30 has ten terminals, which are not shown. 33 is a fixed terminal composed of a rectangular fixing plate 34 having a screw insertion hole in the center and a long leg portion 35. The fixing plate 34 is attached between the partition walls 31 of the terminal board 30, and the leg portion 35 is It penetrates the terminal board 30 and projects to the back. 36 is a terminal washer, 37 is a terminal screw inserted into the hole of the terminal washer 36, which is inserted into the screw insertion hole of the fixed terminal 33 and screwed into the nut embedded in the terminal board 30.

In the connection structure between the printed circuit board 23 and the terminal board 30 as described above, first, the legs 35 of the terminal board 30 are bent substantially at right angles so that they can be fitted into the through holes 24 of the printed board 23, respectively. After that, the leg portion 35 is inserted from the front surface of the front panel 20 into the terminal board mounting hole 21, and the terminal board 30 is fixed to the front surface of the front panel 20 with screws or the like. Then, the leg portions 35 are inserted into the through holes 24 of the printed circuit board 23, and then the printed circuit board 23 is fixed to the support arms 22a and 22b with the screws 25. Then, the leg portions 35 inserted into the through holes 24 are soldered and fixed from the back surface of the printed circuit board 23.

In the conventional connection structure between the printed circuit board and the terminal board as described above, the bending work of the legs 35 of the terminal board 30, the insertion work of the printed circuit board 23 into the through hole 24, the sticking work and the like are performed. It was extremely troublesome and required a lot of man-hours, and particularly when the number of terminals was large, the workability was significantly reduced.

[0006] Fig. 6 is made to solve the above problems. Reference numeral 40 denotes a housing of an electric device, in which a base 41 is formed by thickening both sides (or one side) of an opening. A plurality of partition walls 42 are provided upright on the base 41 at predetermined intervals. A nut 43 is integrally mounted on the base 42 between the partition walls 42. Reference numeral 23 is a printed circuit board, and slits 44 that fit into the partition walls 42 of the housing 40 are provided on both sides of the printed board. Through holes 45 that are aligned with the nuts 43 of the housing 40 are provided between the slits 44. It is set up.

In order to mount the printed circuit board 23 on the casing 40 as described above, first, various electric components are housed and fixed in the casing 40, and then various electric components and a display unit are mounted. The printed circuit board 23 is placed on the housing 40, and the slits 44 are fitted in the partition walls 42, respectively. In this state, if the terminal screws 36 are inserted into the through holes 45 of the printed board 23 and screwed into the nuts 43 mounted on the housing 40, a large number of terminals are formed.

[0008]

[Problems to be solved by the device]

 In the electric equipment as described above, the terminals can be formed by attaching the printed circuit board 23 to the housing 40, which is convenient. However, when the preton board 23 is attached or detached, all the terminal screws 36 forming the terminals are used. Since it has to be tightened and loosened, it is extremely troublesome and requires a lot of man-hours.

Further, the continuity test and other inspections of the electrical components housed in the housing 40 and the electrical components mounted on the printed circuit board 23 must be performed after the electrical devices are assembled and the terminals are formed. At the time of maintenance or inspection, if a defective part is found, or if a defective electrical component occurs, remove all the terminal screws 36 and remove the printed circuit board 23 from the housing 40 for repair or replacement of parts. This is also extremely inconvenient and requires a lot of man-hours.

The present invention has been made to solve the above-mentioned problems, and the printed circuit board and the terminal board can be easily connected to each other, and moreover, the printed circuit board can be easily assembled and maintained for electrical equipment. The purpose is to obtain a connection structure between the terminal board and the terminal board.

[0011]

[Means for Solving the Problems]

 The connection structure of the printed circuit board and the terminal board according to the present invention comprises a base, a plurality of partition walls standing upright on the base at a predetermined interval, and an insert metal fitting embedded in the base at least between the partition walls. A terminal board consisting of, a slit provided at an end portion into which a partition wall of the terminal board is fitted, a printed board having at least a through hole provided between the slits and a conductive portion provided around the through hole, , A plurality of terminal screws screwed into the insert fittings of the terminal board through the through holes of the printed circuit board.

[0012]

[Action]

 By inserting the partition walls of the terminal board into the slits of the printed circuit board and screwing the terminal screws into the insert fittings of the terminal board through the through holes of the printed circuit board, the terminal board can be attached to the print board and multiple terminals can be attached. The terminal is configured.

[0013]

【Example】

 1 is a perspective view of an embodiment of the present invention, and FIG. 2 is a rear perspective view of the terminal board of FIG. In both figures, 1 is a terminal board, and a plurality of partition walls 3a, 3b, 3c, 3d are erected on the upper surface of the base 2 at predetermined intervals, and a rear plate 4 is provided on the back surface of the partition walls 3a to 3d. It is provided. Reference numerals 5a, 5b, 5c and 5d are insert fittings embedded in the base 2 between the partition walls 3a to 3d and at the end portions.

The base 2, the partitions 3 a to 3 d, and the back plate 4 are integrally molded of synthetic resin with the insert fittings 5 a to 5 d as inserts on the base 2. A gap g is formed between the base 2 and the back plate 4 so as to be substantially equal to the thickness t of the printed circuit board 10 described later.

A printed circuit board 10 has slits 11a, 11b and 11c at one end corresponding to the widths and intervals of the partitions 3a to 3d of the terminal board 1, and between the slits 11a to 11c. Through holes 12a, 12b, 12c, 12d are formed at positions aligned with the insert fittings 5a-5d when the partition walls 3a-3d of the terminal board 1 are fitted in the slits 11a-11c, respectively. Reference numerals 13a, 13b, 13c and 13d are conductive portions formed around the through holes 12a to 12d, respectively.

In order to connect the terminal board 1 to the printed board 10 configured as described above, the end portion of the printed board 10 on which electrical components and the like are mounted is connected to the base 2 of the terminal board 1 and the back plate 4. The slits 11a to 11c are inserted into the gaps g formed between them and fitted into the partition walls 3a to 3d of the terminal board 1 and pushed in. As a result, the ends of the slits 11a to 11c are brought into contact with the ends of the partitions 3a to 3d and positioned. At this time, the through holes 12a to 12d of the printed circuit board 23 are aligned with the insert fittings 5a to 5d of the terminal board 1, respectively.

In this state, by inserting the terminal screws 15 into which the terminal washers 16 are fitted into the through holes 12a to 12d of the printed circuit board 23 and screwing the terminal screws 15 into the insert fittings 5a to 5d, respectively, the terminal board 2 is attached to the printed circuit board 10 And a plurality of terminals are formed. The state at this time is shown in FIG. The printed circuit board 10 is attached to the housing or the like by screws or locking parts.

FIG. 4 is a perspective view of another embodiment of the present invention. In this embodiment, the positioning projection 6 is provided on the base 2 of the terminal board 1, and the printed board 10 is provided with a positioning hole 17 to be fitted into the projection 6. With this configuration, the positioning of both can be performed more reliably. The projections 6 and the positioning holes 17 may be provided one by one, or may be provided in a plurality. Further, its position can also be appropriately selected.

In the above description, the case where the back plate 4 is provided on the back surface of the partition walls 3a to 3d of the terminal board 1 is shown, but this may be omitted. Also, an example in which the insert fittings 5a to 5d are inserted into the base 2 and integrally molded is shown, but the base 2 is provided with a hole matching the outer shape of the insert fittings 5a to 5d, and the insert fitting 5a is inserted into this hole. You may make it insert 5d each.

[0020]

[Effect of device]

 As described above in detail, according to the present invention, a partition wall is erected on the base plate, and insert metal fittings are embedded in the base plate between the partition walls to form a terminal board. Since a slit that fits in the connector and a through hole that matches the insert metal fitting are provided and the partition wall of the terminal board is fitted into the slit of the printed circuit board and fixed with terminal screws, the terminal board can be easily connected to the printed circuit board. be able to.

Further, before mounting the printed circuit board on the housing or the like, a continuity test or other inspection of the electric parts can be performed, and moreover, the mounting of the printed circuit board on the housing or the like is easy, so various kinds of inspection, maintenance and inspection are performed. , Repair, replacement of parts, etc. can be performed in a short time and easily.

[Submission date] June 24, 1993

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Change

[Correction content]

[0006] Fig. 6 is made to solve the above problems. Reference numeral 40 denotes a housing of an electric device, in which a base 41 is formed by thickening both sides (or one side) of an opening. A plurality of partition walls 42 are provided upright on the base 41 at predetermined intervals. A nut 43 is integrally mounted on the base 41 between the partition walls 42. Reference numeral 23 is a printed circuit board, and slits 44 that fit into the partition walls 42 of the housing 40 are provided on both sides of the printed board. Conductive connecting portions are formed between the slits 44, respectively, and a nut 43 of the housing 40 is provided. Through hole 45 that is aligned with.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction content]

[0011]

[Means for Solving the Problems]

 The connection structure of the printed circuit board and the terminal board according to the present invention comprises a base, a plurality of partition walls standing upright on the base at a predetermined interval, and an insert metal fitting embedded in the base at least between the partition walls. Printed circuit board having a terminal board made of, a slit provided at an end portion into which a partition wall of the terminal board is fitted, a through hole provided at least between the slits, and a conductive connecting portion provided around the through hole. And a plurality of terminal screws that are screwed into the insert fittings of the terminal board through the through holes of the printed circuit board. Further, a back plate is provided on the back surface of the partition wall with a predetermined gap from the top surface of the base.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0014

[Correction method] Change

[Correction content]

The base 2, the partitions 3 a to 3 d, and the back plate 4 are integrally molded of synthetic resin with the insert fittings 5 a to 5 d as inserts on the base 2. A gap g is formed between the upper surface of the base 2 and the lower end of the back plate 4 so as to be substantially equal to the thickness t of the printed circuit board 10 described later.

[Procedure Amendment 5]

[Document name to be amended] Statement

[Name of item to be corrected] 0015

[Correction method] Change

[Correction content]

A printed circuit board 10 has slits 11a, 11b and 11c at one end corresponding to the widths and intervals of the partitions 3a to 3d of the terminal board 1, and between the slits 11a to 11c. Through holes 12a, 12b, 12c, 12d are formed at positions aligned with the insert fittings 5a-5d when the partition walls 3a-3d of the terminal board 1 are fitted in the slits 11a-11c, respectively. Reference numerals 13a, 13b, 13c and 13d denote conductive connecting portions formed around the through holes 12a to 12d, respectively.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is a rear perspective view of the terminal board of FIG.

FIG. 3 is a perspective view showing a state in which a terminal board is connected to a printed board.

FIG. 4 is a perspective view of another embodiment of the present invention.

FIG. 5 is a perspective view showing an example of a conventional connection structure between a printed board and a terminal board.

FIG. 6 is a perspective view showing an example of a conventional connection structure between a printed circuit board and a terminal board.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Terminal board 2 Base 3a-3d Partition wall 5a-5d Insert metal fitting 6 Positioning protrusion 10 Printed circuit board 11a-11c Slit 12a-12d Through hole 13a-13d Conductive part 15 Terminal screw 17 Positioning hole

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] June 24, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be amended] Scope of utility model registration request

[Correction method] Change

[Correction content]

[Scope of utility model registration request]

2. The connection structure between a printed circuit board and a terminal board according to claim 1, wherein a back plate is provided on the back surface of the partition wall with a predetermined gap from the upper surface of the base. ─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] June 24, 1993

[Procedure correction 6]

[Document name to be amended] Statement

[Correction target item name] Explanation of code

[Correction method] Change

[Correction content]

[Explanation of symbols] 1 terminal board 2 base 3a to 3d partition wall 4 back plate 5a to 5d insert metal fitting 6 positioning protrusion 10 printed circuit board 11a to 11c slit 12a to 12d through hole 13a to 13d conductive portion 15 terminal screw 17 positioning hole

Claims (1)

[Scope of utility model registration request] 1. A terminal board comprising a base, a plurality of partition walls standing upright on the base at a predetermined interval, and insert metal fittings embedded in the base at least between the partition walls, and provided at an end portion. A slit into which the partition wall of the terminal board is fitted, a printed board having at least a through hole provided between the slits and a conductive portion provided around the through hole, and a through hole of the printed board. And a terminal screw screwed into an insert fitting of the terminal board.