JPH04115785U - Unit integrated connector structure - Google Patents

Abstract

(57) [Summary] [Purpose] The present invention relates to a unit-integrated connector structure in which the connection part of a branch wire harness is combined with the connection part of an electronic unit. This improves the workability of arranging terminals within the unit, and also prevents the unit itself from becoming bulky. [Configuration] Common female connector part 1 of unit housing 3
8 is divided into a removable lid 8 and a main body 9, a contact terminal 17 connected to a branch wire harness 16 is attached to the lid 8, and a circuit of a printed circuit board 13 is attached to the main body 9. The male connector 11 has the conductor end 15 facing the contact terminal 17, and the male connector 11 has the contact terminal 17 and the circuit conductor end 1.
This is a unit-integrated connector structure characterized in that contact terminals 48 for 5 are attached on the front and back sides.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention combines the connection part of the branch wire harness with the connection part of the electronic unit. The present invention relates to a unit-integrated connector structure.

0002

[Conventional technology]

Figure 9 shows a conventional connection structure between an electronic unit and a wire harness. It is. A part 51a of the main wire harness 51 is connected to the electronic unit 50. The other part 51b of the main wire harness 51 has a connector. A branch wire harness 55 is connected via the terminals 53 and 54.

0003 However, in this connection structure, the main wire harness 51 is divided into two wires. In addition to being complicated and requiring connectors 53 and 54 for branch connection, the There was a problem in that attaching and connecting the connectors 53 and 54 was troublesome.

0004 Figure 10 shows a unit-integrated connector described in Utility Model Application Publication No. 60-2331. In order to show the structure and solve the above problem, the electronic unit 56 is equipped with a branch wire harness. The connecting portion of 57 and the connecting portions of internal circuits 58 and 59 are combined as a common female connector portion 60. It is something that has become physical.

[0005] That is, 61 is a unit housing made of synthetic resin, and 58 is an electronic component 62. The printed circuit board 59 connected to is a bus bar, and each circuit 58, 59 has a , the male tab terminals 65 and 66 are erected by soldering 63 and bending 64, and their tips are The portion protrudes into the cavity 67 of the unit housing 61. The branch line A male tab terminal 68 is crimped and connected to the ear harness 57, and the male tab terminal 68 is connected to the ear harness 57 by crimping. It is attached to the storage chamber 69 in the cut housing 61, and the tip thereof is inserted into the cavity 67. It protrudes inward.

[0006] Then, connect the male connector 71 connected to the main wire harness 70 to the common female connector. By fitting into the connector part 60, the internal circuits 58, 59 and the branch wire harness 57 and the main wire harness 70 can be connected at the same time. In the figure, 72,7 3 is a male connector similar to the above.

[0007] However, in this connector structure, there is a male connector inside the unit housing 61. When installing the tab terminals 65, 66, 68, it is difficult to install the large unit housing 61. It was difficult to turn and the workability was extremely poor. Also, the electronic unit 56 is The communication connector portion 60 occupies a large volume, and the electronic unit itself 56 becomes bulky. There were also problems.

[0008]

[Problem that the idea aims to solve]

In view of the above-mentioned points, the present invention allows terminals to be easily arranged within the unit, and also provides a unit. The aim is to provide a unit-integrated connector structure that prevents the unit itself from becoming bulky. do.

[0009]

[Means to solve the problem]

In order to achieve the above object, the present invention provides a unit with a built-in printed circuit board. A common female connector portion between the printed circuit board and the branch wire harness is provided on the A unit that connects the main wire harness to the common female connector via the male connector. In the integrated connector structure, the common female connector part of the unit is removable. It is divided into a lid body and a main body part, and connected to the lid body and the branch wire harness. Attach a contact terminal and connect the circuit conductor end of the printed circuit board to the main body. The male connector is arranged opposite to the contact terminal and the circuit conductor end. Adopts a structure in which contact terminals for the parts are mounted on the front and back sides.

0010

[Effect]

Attach the contact terminal to the lid body that is separated from the unit, and then combine the lid body with the main body. by having a circuit conductor end of the printed circuit board facing the contact terminal. A female connector portion is formed. Here, the contact terminal is installed using a small and easy-to-handle device. It can be easily done on the lid body, and the work of installing the contact terminals on the unit is a cassette type. It's easy to do. A male connector is inserted between the contact terminal and the end of the circuit conductor, which are provided facing each other. Due to the structure in which the connector is inserted and the contact terminals on the front and back sides of the male connector are connected, the female The connector part can be made more compact.

[0011]

【Example】

FIG. 1 is an exploded perspective view showing an embodiment of the unit-integrated connector structure according to the present invention. 2 are sectional views taken along the line AA in FIG. 1.

0012 In the figure, 1 is an electronic unit containing electronic components 2, and 3 is a unit made of synthetic resin. housing shown. The unit housing 3 has a box-like shape with the upper half of the front end cut out. The housing main body 4 and the lid body 8 that engages with the notch portion 5 by the locking means 6 and 7 A main wire harness 10 is provided between the lid body 8 and the opposing main body part 9. An insertion portion 12 for the connected male connector 11 is formed.

[0013] The housing body 4 includes a printed circuit board 13 to which the electronic component 2 is connected. It is installed on the bottom wall 14 and the circuit conductor end (terminal part) 15 of the printed circuit board 13 is inserted. They are arranged in parallel and exposed state inside the entrance part 12, and branch wires are arranged inside the lid body 8. A plurality of contact terminals 17 connected to the wire harness 16 are placed opposite the circuit conductor end 15. and connect the common female connector to the printed circuit board 13 and the branch wire harness 16. It constitutes the data section 18.

[0014] The contact terminal 17 is connected to an electric wire behind the base plate 19, as shown in a perspective view in FIG. The crimp portion 20 is connected to a rectangular body portion 21 at the front thereof, and a top wall 22 of the body portion 21 is connected to the crimp portion 20 . The electrical contact surface 23 is bulged out, the protruding piece 24 is attached to the tip of the base plate 19, and the protruding piece 24 is attached to the intermediate portion. A stop hole 25 is formed respectively.

[0015] FIG. 4 is an exploded perspective view of the unit housing 3. Housing body 4 A partition wall 26 with respect to the inside of the unit is provided at the rear of the insertion portion 12, and the partition wall 26 A seat plate 27 extending along the printed circuit board 13 is protruded from the lower end of the main body 9. 28 is provided with a locking protrusion 6 as a locking means.

[0016] On the other hand, a housing portion 29 for the contact terminal 17 is provided inside the lid body 8. In addition, a rectangular support block portion 30 for the seat plate 27 is provided at the rear of the housing portion 29. are integrated. As shown in the enlarged view of the main part in FIG. A plurality of terminal accommodating chambers 31 are arranged in parallel, and a front wall 32 of the terminal accommodating chambers 31 has contact terminals 17 protruding from the front wall 32. An insertion hole 33 for the piece 24 and an engagement window 3 for the electrical contact surface 23 are provided in the inner wall 34. 5 are provided for each. Further, a locking hole 2 for the contact terminal 17 is provided on the inner surface of the top wall 36. 5 is provided with an engaging protrusion 37.

[0017] Further, on both side walls 38 (FIG. 4) of the lid body 8, there are An engaging frame portion 7 is provided protrudingly provided at the rear end of the top wall 36 to connect to the storage chamber via a thin hinge 40. A cover 41 for the cover 31 is rotatably provided. Further, the support block portion 3 A wire support plate 42 is provided protruding from the rear end of the wire support plate 42.

[0018] Then, by inserting the contact terminal 17 into the accommodation chamber 31 of the lid body 8, the tip The protruding piece portion 24 engages with the insertion hole 33 of the accommodating portion 29, and the engagement protrusion 3 engages with the locking hole 25. 7 are fitted, and the wire crimping part 20 is further held by the support block part 30, and the wire crimping part 20 is held by the support block part 30. The contact terminal 17 is held without backlash and backlash in the longitudinal and vertical directions. At this point, the connection to the lid body 8 is made. The contact terminal 17 can be easily attached separately from the housing body 4, which is difficult to handle. It can be carried out. Then, the lid body 8 is combined with the main body part 9 by the locking means 6 and 7. , to form the female connector portion 18. Branch wire harness as shown in Figure 2 (Electric wire) 16 is passed between the cover 41 and the electric wire support plate 42, folded back, and exposed to the outside. derived.

[0019] On the other hand, the male connector 11 (FIGS. 1 and 2) has a connector housing 43 made of synthetic resin. A plurality of terminal accommodating chambers 44 are arranged in parallel in upper and lower two stages, and the terminals are arranged on each of the front and back walls 45. An opening 46 of the storage chamber 44 is provided, and the main wire harness 10 is connected from the opening 46 to the main wire harness 10. The elastic contact piece 48 of the connected contact terminal 47 is made to protrude to the outside. Then, by inserting the male connector 11 into the female connector section 18, the upper The elastic contact pieces 48, 48 of the lower contact terminals 47, 47 are contact terminals on the lid 8 side, respectively. 17 and the circuit conductor ends 15 of the printed circuit board 13 are electrically connected. Connected.

[0020] Here, contact terminals 47, 47 are provided on the front and back sides of the male connector 11, and the female connector part 18 between the contact terminal 17 provided opposite to the circuit conductor end 15 of the printed circuit board 13 Since the structure is such that the male connector 11 is inserted into the can be made smaller and more compact.

[0021] Figure 6 shows how the main wire is connected by the above connector structure (male and female connectors 11, 18). The harness 10 was connected to the electronic unit 1, and a branch wire harness 16 was led out. FIG. 9 is an explanatory diagram showing the state of the branch wire harness connector compared to the conventional one (see FIG. 9). There is no need to connect the connectors 53 and 54, and the routing of the wire harness 51b is also simplified. be done.

[0022] FIG. 7 is an exploded perspective view showing a modification of the unit-integrated connector structure according to the present invention. , FIG. 8 is a BB sectional view. In this structure, common female connector parts 18', 18' are provided above and below the electronic unit 1'. In addition, the male connector 11' is made into a two-stage type corresponding to the female connector parts 18', 18'. It is something.

[0023] That is, a printed circuit board 13' is arranged in the center of the unit housing 3'. , upper and lower lids are placed opposite the circuit conductor ends 15', 15' on the front and back surfaces of the circuit board 13'. The bodies 8', 8' are arranged symmetrically. The lid body 8' has a housing part 29' and a housing part 29' as in the previous example. A support block part 30' is provided integrally, and a contact terminal 17' is attached to each housing part 29'. so that the protruding electrical contact surface 23' faces the circuit conductor end 15', and the locking means 6 ', 7' to combine with the main body part 9'.

[0024] Further, the printed circuit board 13' is inserted into the male connector housing 43'. A slit portion 49 is provided, and a total of four stages of contact terminals are provided inside the slit portion 49 and on the upper and lower walls 45'. The elastic contact piece 48' of 47' is made to protrude. According to this structure, the circuit density can be easily increased by making the connector part 18' more compact. can be raised to

[0025]

[Effect of the idea]

As described above, according to the present invention, the wiring harness can be easily routed and separated. Not only does it save you the trouble of installing and connecting connectors for branch connections, but it also saves you time from the unit. By dividing the lid body and attaching the contact terminal to the lid body, which is easy to handle, the terminal Improves installation workability. Furthermore, contact terminals and printed circuit boards provided oppositely Insert the male connector between the circuit conductor ends of the Since the connector is connected, the connector part can be made compact and the unit itself can be prevented from becoming bulky. Can be stopped.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a unit-integrated connector structure according to the present invention.

FIG. 2 is a sectional view taken along line AA in FIG. 1;

FIG. 3 is a perspective view showing a contact terminal attached to the lid.

FIG. 4 is an exploded perspective view showing the unit housing.

FIG. 5 is a cutaway perspective view of the main part of the lid body.

FIG. 6 is an explanatory diagram showing a connected state of the unit-integrated connector structure.

FIG. 7 is an exploded perspective view showing a modification of the unit-integrated connector structure.

FIG. 8 is a sectional view taken along line BB in FIG. 7;

FIG. 9 is an explanatory diagram showing a conventional unit connection structure.

FIG. 10 is a longitudinal sectional view showing a conventional unit-integrated connector structure.

[Explanation of symbols]

1 Electronic unit 3,3' Unit housing 8,8' Lid body 9,9′ Main body 10 Main wire harness 11,11' Male connector 13,13' Printed circuit board 15, 15' circuit conductor end; 16 Branch wire harness 17, 17', 47, 47' Contact terminal 18, 18' Common female connector part

Claims (1)

[Scope of utility model registration request] 1. A unit that includes a built-in printed circuit board, is provided with a common female connector section between the printed circuit board and the branch wire harness, and connects the main wire harness to the common female connector section via a male connector. In the type connector structure, the common female connector part of the unit is divided into a detachable lid body and a main body part, a contact terminal connected to the branch wire harness is attached to the lid body, and a contact terminal connected to the branch wire harness is attached to the main body part. The circuit conductor ends of the printed circuit board are arranged opposite to the contact terminals, and the male connector has the contact terminals and the contact terminals for the circuit conductor ends mounted on the front and back sides. Features a unit-integrated connector structure.