JP3059965B1 - Connection structure of cable pressure connector - Google Patents

Abstract

The present invention achieves a large reduction in the height of an assembly of a press-connecting connector and a mounting connector, and effectively contributes to a reduction in the thickness of a device incorporating the same. A press contact connector (2) has a pair of left and right press contacts (5), and a terminal piece (6) for connecting the connectors along the left and right side surfaces of the press contact connector (2) from the base of the press contact (5) to the same end. The mounting connector 3 has a pair of right and left regulating plates 17 that extend and are arranged side by side on the left and right sides of the pair of press-contact contacts 5, and are opposed to both ends of the base 16. A pair of right and left mounting contacts 7 having terminal pieces 8 connected to the circuit board 4 are held, and each of the restriction plates is fitted by fitting the press-connecting connector 2 into a space formed between the pair of restriction plates 17. 17
A pair of connector connecting terminal strips 6 are connected to the pair of mounting contacts 3 between the left and right sides of the press-connecting connector 2 along the regulating plate 17.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection structure of a cable press-connecting connector which is connected to a printed circuit board via a mounting connector mounted on the printed circuit board.

[0002]

2. Description of the Related Art Conventionally, in portable telephones and the like, FIGS.
As shown in (2), the terminals of two cables 1 that can be led out from a speaker or a vibration motor are pressed against a connector 2 for cable pressure welding, and the connector 2 for cable pressure welding can be inserted and removed from a mounting connector 3 mounted on a printed circuit board 4. , And the cable press-connecting connector 2 is connected to the printed circuit board 4. The cable press-connecting connector 2 and the mounting connector 3 are superimposed on the upper and lower tiers, and the connection between the connectors is achieved.

More specifically, the cable press-connecting connector 2 has a pair of left and right press-contact contacts 5 inside, each cable 1 is press-contacted to each press-contact contact 5, and the cable press-connect connector is mounted on the upper surface of the mounting connector 3. 2 and a pair of right and left mounting contacts 7 held in the mounting connector 3 by inserting the inter-connector connection terminal pieces 6 projecting downward from the press contact 5 into the mounting connector 3. , And is surface-mounted on the printed circuit board 4 with mounting terminal pieces 8 protruding from the end of the mounting contact 7 to the left and right sides of the mounting connector 3.

[0004]

In the above-mentioned prior art, the cable press-connecting connector 2 and the mounting connector 3 are overlapped in two stages, and the terminal piece 6 for connecting the connector of the cable press-contact 2 is inserted and connected. Therefore, the height of this connector assembly becomes bulky, and there is a problem that it is difficult to meet the demand for thinning of mobile phones and the like. In addition, there is a problem that the cable press-connecting connector 2 is easily inclined and the reliability of the contact is impaired.

[0005] Also, the cable 1
When press-fitting, there is a problem that two minute connector-to-connector terminal strips 6 projecting outward from the end face of the connector 2 are damaged.

[0006] The present invention provides a connection structure for a cable pressure connector which appropriately solves the above problems.

[0007]

SUMMARY OF THE INVENTION The present invention comprises a cable press-connecting connector and a mounting connector mounted on a printed circuit board and to which the cable press-connecting connector is detachably connected.

The cable press-connecting connector has a pair of right and left cable press-contacts, and terminal strips for connecting the connectors along the left and right side surfaces of the cable press-connecting connector from the base to the same end of the pair of cable press-contacts. And these are juxtaposed on the left and right outer sides of the pair of cable press contacts.

On the other hand, the mounting connector has a base and a pair of right and left regulating plates raised from opposite ends of the base.
A fitting space for the cable pressure connector is formed between the two restriction plates.

Each of the regulation plates has a pair of right and left mounting contacts having terminal pieces connected to the printed circuit board.

By fitting the cable press-fitting connector into the fitting space, between each of the restriction plates and the left and right sides of the cable press-fitting connector along the restriction plate,
The pair of left and right connector connection terminal pieces is connected to the pair of left and right mounting contacts.

The cable pressure contact having the connector connecting terminal piece is formed by a punched contact having a punched plate surface within one plane.

In addition, a partition wall integral with the cable press-connecting connector main body is interposed between the cable press-contacting contact and the connector connecting terminal piece.

Further, the terminal piece for connection between connectors extends into a vertically extending groove provided on the left and right side surfaces of the connector body for cable pressure welding, and has an edge portion which is exposed along the groove and extends vertically. The edge portion slides on the surface of the mounting contact in connection with the fitting of the cable press-connecting connector and is connected.

As described above, since the connector for cable press-fitting is inserted into the fitting space of the mounting connector and the connection between the connectors is made in the inner region of the left and right regulating plates forming the fitting space, the connector assembly is provided. Can be made much thinner, which contributes to the reduction in the thickness of equipment incorporating the same.

Further, the cable press-connecting connector is regulated by the left and right regulating plates to effectively prevent the inclination, thereby eliminating the problem of poor contact caused by the inclination.

Further, since the pair of left and right connector terminal strips for connection between the connectors are extended along the left and right side surfaces of the connector body for cable pressure welding, the problem that the tip end of the terminal piece is twisted and damaged during cable pressure welding work or the like is effective. To prevent.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

Reference numeral 2 denotes a cable press-connecting connector, and reference numeral 3 denotes a mounting connector. As shown in FIGS. 2, 6, 9 and the like, the mounting connector 3 is mounted on a printed circuit board 4. 3, the cable press-connecting connector 2 is detachably connected.

As shown in FIGS. 2, 4, 5 and 12, etc., the cable press-connecting connector 2 has a pair of left and right cable press contacts inside a substantially rectangular cable press-connecting connector body 9 made of an insulating material. 5 and extending from the base of the pair of cable press contacts 5 to the distal ends thereof along the left and right side surfaces of the cable press connector 2, and connecting terminal pieces 6 for connecting the connectors to each other. It is juxtaposed on the left and right outer sides of the contact 5.

As shown in FIGS. 11 and 12, the cable press-connecting connector main body 9 has a pair of left and right contact accommodating chambers 10 opened on the lower surface of the main body 9. A cable insertion port 11 communicating with the contact accommodating chamber 10 is provided.
Then, the terminal of the cable 1 is inserted into the contact housing 5, and then the press contact 5 is press-fitted into the contact accommodating chamber 10, whereby the cable 1 is press-fitted into the slot 12 of the contact 5 and the press-fitting removes the cable coating. Then, the cable core wire is pressed against the inner wall of the slot 12.

The cable pressure contact 5 having the inter-connector terminal piece 6 is stamped and formed from a strip material, and the punched plate surface of the contact body (press-contact portion) and the inter-connector terminal piece 6 is in one plane. Formed by punching contacts existing in the above.

A partition wall 13 integral with the cable press-connecting connector body 9 is interposed between the cable press-contact contact 5 and the connector connecting terminal piece 6.

The terminal pieces 6 for connection between the connectors extend into vertically extending grooves 14 provided on the right and left side surfaces of the connector body 9 for cable pressure welding, and are exposed along the grooves 14 and extend vertically. It has an edge portion 15.

The terminal piece 6 for connection between connectors is shown in FIG.
As shown in FIG. 12, when the press contact 5 is pressed into the contact accommodating chamber 10, the contact 5 is inserted into the groove 14 from below, and is formed at the upper end inside the terminal piece 6.
7 is locked to a locking portion 28 formed at the upper end of the groove 14 to prevent outward opening.

As shown in FIGS. 9 and 10, the edge portion 15 is connected while sliding on the surface of the mounting contact 7 as the cable press-fitting connector 3 is fitted.

On the other hand, as shown in FIGS. 2 and 3, the mounting connector 3 has a base 16 and a pair of right and left regulating plates 17 raised from both ends of the base 16 so as to face each other. Fitting space 1 for cable pressure connector 2 between regulating plates 17
8 is formed. The base 16 and the pair of right and left regulating plates 17 are integrally formed of an insulating material to form a mounting connector main body 26.

A pair of right and left mounting contacts 7 each having a terminal piece 8 connected to the printed circuit board 4 on each of the restriction plates 17.
To hold.

The mounting contact 7 is shown in FIGS.
As shown in FIG. 11 and the like, a pair of holding pieces 19 that stand up in parallel from the connection base 20 are provided. The connection base 20 of the holding pieces 19 is pressed into both ends of the base 16, and the holding pieces 19 are attached to the regulating plate 1.
Stand up along the inside of 7.

A press-fitting connector fitting groove 21 forming both ends of the fitting space 18 is formed inside the regulating plate 17, and a contact housing chamber 22 extending in the vertical direction communicating with the outside of the press-fitting connector fitting groove 21. Is coupled.

The holding pieces 19 raised from the connection base 20 are inserted into the contact receiving chamber 22 from below, and each holding piece 19 is provided on the inner wall of the contact receiving chamber 22 and extends vertically. Insert into groove 23.

As shown in FIG. 3, the holding pieces 19 are opposed to each other in the cable extending direction,
The mounting terminal strip 8 is bent outward from the lower end of the base 16 along the lower surfaces of both ends of the base 16, and further, the press-fitting claw piece 24 is bent from the end of the mounting terminal strip 8 and rises up. The claw pieces 24 are press-fitted into press-fit grooves 25 provided at the lower end of the regulating plate 17.

Therefore, the mounting contact 7 is connected to the connecting base 20.
And the press-fitting claw piece 24 facing this,
The mounting connector body 26 is firmly press-fitted and implanted.

The mounting connector 3 is surface-mounted on the printed circuit board 4 with the mounting terminal pieces 8.

As shown in FIGS. 6 to 10, the cable press-connecting connector 2 is fitted into the fitting space 18 under the guidance of the regulating plate 17, and the left and right side portions of the connector 2 are pressed. The pair of right and left connector connection terminal strips 6 are fitted in the connector fitting grooves 21 between the respective restriction plates 17 and the right and left sides of the cable press-connecting connector 2 along the restriction plates 17. Is connected to the pair of mounting contacts 7 on the left and right.

That is, as the cable press-connecting connector 2 is fitted into the fitting space 18, the connector connecting terminal strip 6
Edge 15 is forcibly inserted between the holding pieces 19 of the mounting contact 7, and during this insertion, the surface of the holding piece 19 slides to generate a wiping action.

In the above-described embodiment, the case where the connector connecting terminal piece 6 is inserted while sliding between the pair of holding pieces 19 is shown. As shown in FIG. A case in which a single contact piece 7 'is provided in place of the holding piece 19, and the edge 15 of the terminal piece 6 for connector connection slides on the surface of the contact piece 7' so as to make pressure contact with the surface. including.

[0038]

According to the present invention, it is possible to achieve a large reduction in the height of the assembly of the press-connecting connector and the mounting connector, and it is possible to effectively contribute to the reduction in the thickness of the device incorporating the connector.

Further, the inclination of the press-connecting connector can be effectively prevented, and poor contact caused by the inclination can be effectively prevented.

Further, it is possible to effectively prevent the problem of damage to the connector connecting terminal piece connected to the base end of the press contact during the cable press operation.

[Brief description of the drawings]

FIG. 1A is a cross-sectional view orthogonal to a cable axis in a conventional connection structure for a cable pressure-connecting connector, and FIG. 1B is a cross-sectional view in the cable axial direction.

FIG. 2 et seq. Show an embodiment of the present invention, and FIG.
FIG. 3 is a front view showing a state before fitting of the mounting connector and the cable press-connecting connector.

FIG. 3 is a plan view of the mounting connector.

FIG. 4 is a plan view of the cable press-connecting connector.

FIG. 5 is a side view of the cable press-connecting connector.

FIG. 6 is a front view showing the mounting connector and the cable press-connecting connector in a fitted state.

FIG. 7 is a plan view in FIG. 6;

FIG. 8 is a side view in FIG. 6;

FIG. 9 is a sectional view in a direction orthogonal to the cable in FIG. 6;

FIG. 10 is a sectional view taken along line AA in FIG. 9;

FIG. 11 is a cross-sectional view of the connector press-connecting connector as viewed from the front before assembling the connector body and the cable press-connecting contact.

FIG. 12 is a cross-sectional view showing the assembled state (cable pressed state) in FIG. 11;

FIG. 13 is a front view showing another example of the contact structure between the connector connecting terminal piece and the mounting contact.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cable 2 Connector for cable press contact 3 Connector for mounting 4 Wiring circuit board 5 Contact for cable press contact 6 Terminal piece for connection between connectors 7 Mounting contact 7 'Contact piece 8 Mounting terminal piece 9 Connector body for cable press contact 10 Contact accommodation room DESCRIPTION OF SYMBOLS 11 Cable insertion opening 12 Slot 13 Partition wall 14 Groove 15 Edge part 16 Base 17 Restriction plate 18 Fitting space 19 Nipping piece 20 Connecting base 21 Press-fitting connector fitting groove 22 Contact accommodation room 23 Nipping piece accommodation groove 24 Press-in claw piece 25 Press-fitting Groove 26 Connector body for mounting 27 Opening claw piece 28 Locking part

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-60-109188 (JP, A) JP-A-4-237978 (JP, A) JP-A-54-163389 (JP, A) JP-A 8- 273719 (JP, A) JP-A-7-335328 (JP, A) JP-A-6-151010 (JP, A) JP-A-4-108882 (JP, U) JP-A-5-509438 (JP, U) (58) Field surveyed (Int.Cl. ⁷ , DB name) H01R 13/11-13/22 H01R 13/46 H01R 4/24 H01R 9/05-9/09 H01R 17/00-19/00 H01R 23 / 68

Claims (4)

(57) [Claims] 1. A cable press-connecting connector, and a mounting connector mounted on a printed circuit board and connected to the cable press-connectable connector so that the cable press-connectable connector can be inserted and removed. The press-connecting connector includes a pair of left and right cable press-contact contacts. The terminal pieces for connecting between connectors extend along the left and right side surfaces of the press-connecting connector from the base of the pair of cable press-contact contacts to the same ends, and are juxtaposed on the left and right outer sides of the pair of press-contact contacts. The mounting connector has a base and a pair of right and left regulating plates raised from both ends of the base to form a fitting space for the press-connecting connector between the two regulating plates. And a pair of right and left mounting contacts each having a terminal piece connected to the printed circuit board. A cable configured to connect the pair of left and right connector connection pieces to the pair of left and right mounting contacts between the left and right sides of the cable press-connecting connector along the control plate and the regulation plate. Connection structure of the insulation displacement connector. 2. The cable pressure contact according to claim 1, wherein the cable pressure contact having the connector-to-connector terminal piece is formed by a punched contact having a punched plate surface in one plane. Connector connection structure. 3. The cable press-connecting connector body and a partition wall interposed between the cable press-contact contact and the connector connecting terminal piece.
Connection structure of the connector for cable pressure welding described. 4. The connector connecting terminal piece extends in a vertically extending groove provided on the left and right side surfaces of the cable press-connecting connector body, and has an edge portion which is exposed along the groove and extends in the vertical direction. 2. The connection structure for a cable press-connecting connector according to claim 1, wherein said edge portion is configured to be connected while sliding on a surface of said mounting contact with fitting of said cable press-connecting connector. .