JP2533780Y2 - Connector fixing structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector fixing structure.

[0002]

2. Description of the Related Art A conventional connector fixing structure will be described below. FIG. 4 shows a conventional structure for fixing a front and back split type connector. In FIG. 4, 1 is a connector main body, 2 is a front connector, 12 is a back connector, and 20 is a board.

The front side connector 2 has a housing 3, and the housing 3 includes a fitting portion 4 for fitting with a male connector, and a board 2.
The fixing portion 5 is provided with a stepped metal fitting insertion hole 6 into which a press-fit metal fitting 7 is inserted.

The rear connector 12 is symmetrical to the front connector 2 and includes a housing 13. The housing 13 includes a fitting portion 14 and a fixing portion 15, and the fixing portion 15 has a stepped metal fitting insertion hole 16. The press-fit fitting 7 is inserted into the fitting insertion hole 16.

The press-fit fitting 7 comprises a fitting body 7a inserted into the fixing parts 5, 15 of the connector main body 1 and an insertion part 7b inserted into the substrate 20, and the fixing parts 5, 15 are provided on the outer periphery of the fitting main body 7a. A plurality of projections 7c are formed so as to fit into the inner circumferences of the metal fitting insertion holes 6, 16. Further, the insertion portion 7b of the press-fit metal fitting 7 is press-fitted into the insertion hole 21 of the substrate 20 and fitted therein.

When the front and back split type connector main body 1 is fixed to the board 20, the press-fit metal fittings 7 are inserted into the metal fitting insertion holes 6 and 16 of the front and rear connectors 2 and 12, and the board 2 is fixed.
The front and rear connectors 2 and 12 were pressed into the board 20 after the insertion portion 7b of the press-fitting metal fitting 7 was aligned with the insertion hole 21 of No. 0.

[0007]

However, in the above-described conventional configuration, the frictional force between the metal fitting insertion holes 6, 16 of the connector main body 1 and the metal fitting main body 7a is insufficient, and the metal fitting insertion holes 6, 16 of the connector main body 1 are not provided. 16 is stepped, so that the substrate 2
When the thickness is small, the insertion portion 7b of the press-fit fitting 7 is not sufficiently inserted into the insertion hole 21 of the substrate 20, and the substrate 20 is lifted from the fixing portion 5 of the connector body 1, so that the fixing force is reduced. However, there has been a problem that the strength of the steel sheet becomes weaker and the strength against bending becomes weaker.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned conventional problems, and provides a connector fixing structure in which the press-fit fitting is sufficiently inserted into the board, the fixing force between the connector and the board is strong, and the bending strength is sufficient. The purpose is to provide.

[0009]

In order to achieve this object, a connector fixing structure according to the present invention has a front connector and a rear connector. The board is sandwiched between the front and rear connectors, and the connector is fixed to the board. In the fixing structure of the front and back split type connector for fixing the front and back connectors, an insertion hole is provided on each of the front and back surfaces of the board, and the front and back connectors are each fitted with a male connector fitted to the housing. A fixing portion fixed to the substrate is provided, and the fixing portion is provided with a metal fitting insertion hole penetrating on the front and back of the fixing portion, and a press-fit metal fitting is formed from the insertion hole of the substrate.
Insert the bracket of the fixed part of the front and back connectors with a large diameter
A metal fitting body to be inserted into the inlet, and a smaller diameter than the metal fitting body;
A press-fitting portion press-fitted into an insertion hole of the substrate, and the metal fitting body
An end face provided at a step portion with the press-fitting portion,
On the outer periphery of the metal fitting body, the end face of the metal fitting body is
After hitting, the bracket insertion holes of the front and back connectors
Inside the front and back connectors can move in the direction of approach.
Number of protrusions are formed and inserted, and the metal fitting body of the press-fit metal fitting is inserted into the metal fitting insertion hole of the fixed part of the front and back connectors, and the press-fitting part of the press-fit metal fitting is inserted into the substrate. The front and rear connectors are fixed to the board by press-fitting into the insertion holes.

[0010]

According to this structure, when the connector body is fixed to the board, the press-fit fitting is sufficiently inserted into the board, and then the required amount of the press-fit fitting moves in the fitting insertion hole of the housing. The board does not rise from the housing of the connector body, so that the fixing force between the connector and the board is strong, the strength against bending is sufficient, and reliability is obtained.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. The same components as those shown in the conventional example are denoted by the same reference numerals. FIG. 1 shows a fixing structure of a front and back split type connector according to an embodiment of the present invention, wherein 1 is a connector main body, 2 is a front connector, 12 is a rear connector, and 20 is a board.

The front side connector 2 has a housing 3, and the housing 3 includes a fitting portion 4 for fitting with a male connector,
The fixing portion 5 is provided with a metal fitting insertion hole 6 which is a through hole, and a press fitting metal fitting 7 is inserted into the metal fitting insertion hole 6.

The rear connector 12 is symmetrical to the front connector 2 and includes a housing 13. The housing 13 includes a fitting portion 14 and a fixing portion 15. The press-fit fitting 7 is inserted into the fitting insertion hole 16.

The press-fit fitting 7 comprises a fitting body 7a inserted into the fixing portions 5 and 15 of the connector body 1 and a press-fitting portion 7b inserted into the board 20. The fitting body 7a is inserted through the insertion hole 21 of the board 20. It has a large diameter, and its outer periphery has a plurality of projections 7c fitted to the inner periphery of the fitting insertion holes 6, 16 of the fixing portions 5, 15, ie, the end face of the fitting body 7a.
After 7d hits the board 20, the front and rear connectors 2, 1
Front and back connectors 2 and 12 inside the metal fitting insertion holes 6 and 16 of FIG.
A plurality of protrusions 7c that can move in the direction in which the approaching is made are formed. The press- fitting portion 7b of the press-fit metal fitting 7 has a smaller diameter than the metal fitting body 7a and an insertion hole (press-fitting hole) for the substrate 20.
21 and press fit. Then, the metal fitting body 7 of the press-fit metal fitting 7 is obtained from the frictional force when the press-fitting part 7b of the press-fit metal fitting 7 is inserted into the insertion hole 21 of the substrate 20.
The frictional force when a moves through the metal fitting insertion holes 6 and 16 is set to be large.

When the connector main body 1 constructed as described above is fixed to the thin substrate 20, as shown in FIG. 2, press-fit fittings are inserted into the fitting insertion holes 6, 16 of the front and rear connectors 2, 12. 7 , the press-fitting portion 7b of the press-fitting metal fitting 7 is inserted into the insertion hole 21 of the substrate 20.
And then connect the front and back connectors 2 and 12 to the board 20.
Pressed in until end face 7d of the fitting body 7a of the press-fit fitting 7 hits the substrate 20 surface, inserting the press-fit portion 7b hole 2
Press-fit fully into 1.

Further, when the front and back connectors 2 and 12 are pressed, the fitting body 7a of the press-fit fitting 7 moves in the fitting insertion hole 6 of the housing 3 and the front and back connectors 2 and 12 are combined. The state becomes 1.

At this time, the press-fit portion 7 of the press-fit
b is sufficiently press-fitted into the insertion hole 21 and the end face 7d of the metal fitting body 7a is in contact with the surface of the substrate 20, so that the substrate 20 does not rise, so that the front and rear connectors 2, 12 and the substrate 20 And a sufficient strength against bending.

The connector body 1 is mounted on a thick substrate 20.
3, as shown in FIG. 3, the metal body 7 a of the press-fit metal fitting 7 is inserted into the metal fitting holes 6, 16 of the front and rear connectors 2, 12 in the same manner as above, and the front and rear connectors are fixed. When the metal fittings 2 and 12 are pressed, the metal fitting body 7a of the press-fit metal fitting 7 is inserted into the metal fitting insertion holes 6 and 1 of the housing 3.
6 is small, the press- fitting portion 7b of the press-fitting metal fitting 7 is sufficiently inserted into the insertion hole 21, and the end face 7d of the metal fitting body 7a is in contact with the substrate 20 surface. The board 20 does not rise, so that the fixing force between the front and back connectors 2 and 12 and the board 20 is strong, and a sufficient resistance to bending is obtained.

As described above, according to the present embodiment, when the connector body 1 is fixed to the board 20, the press-fit fitting 7 is inserted into the housing 20 by a necessary amount after the press-fit fitting 7 is sufficiently inserted into the board 20. , 13 move in the fitting insertion holes 6, 16, so that the board 20 is
Therefore, the connector has a strong fixing force between the connector body 1 and the board 20, and has a sufficient bending strength and a highly reliable connector fixing structure.

[0020]

As described above, according to the present invention, when the front and rear connectors are fixed to a thin substrate, the press-fit metal fittings are inserted into the metal insertion holes of the front and rear connectors, and the board is fixed. after <br/> move the press-fit portion of the press-fit fitting into the insertion hole, tables, press-fitting the rear connector on the substrate, the end surface of the fitting body of the press-fit fitting until it hits the substrate surface, pressure
The join the club fully pressed into the insertion hole of the substrate. Furthermore, when the front and rear connectors are pressed, the fitting body of the press-fit fitting moves in the fitting insertion hole of the housing, and the front and back connectors are assembled. At this time, the press- fitting part of the press-fit fitting is sufficiently inserted into the insertion hole. since it is pressed, and the end surface of the fitting body is in contact with the substrate surface, without the substrate from floating, thus the table, strong adherence of the back side connector and the board, resulting also resistance to bending sufficiently.

When the front and rear connectors are fixed to a thick substrate, a press-fit fitting is inserted into a fitting insertion hole of the front and rear connectors in the same manner as described above, and the front and rear connectors are pressed. The amount of movement of the press-fitting metal body in the metal fitting insertion hole of the housing is small, the press- fitting part of the press-fit metal fitting is sufficiently pressed into the insertion hole of the board, and the end face of the metal fitting body is on the board surface. As a result, the board is not lifted, so that the fixing force between the front and back connectors and the board is strong, and the strength against bending is sufficiently obtained.

As described above, when the front and rear connectors are fixed to the board, the press-fit fitting moves in the fitting insertion hole of the housing by a necessary amount after the press-fit fitting is sufficiently inserted into the board. Even if there is an error in the thickness of the board, the board does not rise from the housing of the connector body, so the fixing force between the connector and the board is strong, the bending strength is sufficient, and the connector fixing structure is highly reliable. Can be realized.

[Brief description of the drawings]

FIG. 1 is a sectional view of a connector fixing structure according to an embodiment of the present invention.

FIG. 2 is an operation explanatory view of a fixing structure of the connector.

FIG. 3 is an operation explanatory view of a fixing structure of the connector.

FIG. 4 is a sectional view of a conventional connector fixing structure.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Connector main body 2 Front side connector 3 Housing 6 Metal fitting insertion hole (through hole) 7 Press-fit metal fitting 12 Back side connector 13 Housing 16 Metal fitting insertion hole (through hole) 20 Substrate 21 Press-fit part

Claims (1)

(57) [Scope of request for utility model registration] 1. A front / back split connector for holding a front connector and a rear connector, sandwiching a board between the front and rear connectors, and fixing the front and rear connectors to the board. In the structure, an insertion hole is provided on each of the front and back surfaces of the board, and the front and rear connectors are each provided with a fitting portion in which a male connector is fitted in a housing and a fixing portion fixed to the board, and the fixing portion. A metal fitting insertion hole penetrating through the front and back of the fixing part is provided on the fixing part, and the press-fit metal fitting has a larger diameter than the insertion hole of the substrate and is formed in front.
Insert the front / rear connector into the bracket insertion hole of the fixing part.
A metal fitting body to be inserted, and the substrate having a smaller diameter than the metal fitting body.
A press-fitting portion press-fitted into the insertion hole of the
An end face provided on a stepped portion with an entry portion, wherein the metal fitting body
The end face of the metal fitting body hits the substrate
After that, the inside of the bracket insertion hole of the front and back connectors is
Multiple protrusions that can move in the direction that the front and back connectors approach
Forming the press-fit fitting, inserting the fitting main body of the press-fit fitting into the fitting insertion hole of the fixing part of the front and back connectors, and inserting the press-fitting part of the press-fit fitting into the insertion hole of the substrate. Wherein the front and rear connectors are fixed to the substrate by press-fitting .