JPH09232045A - Connector attaching structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To stably secure high sealing between a connector and a unit. SOLUTION: Butt parts 26 formed in an annular shape in illustrated left end parts of female screw members 24 respectively come into contact with an illustrated right side surface of a unit 10 through through holes 31 of a gasket 30 in a condition where male screws 32 are respectively screw-fitted to female screws 28 of female screw members 24. Therefore, deformation of flanges 21 by excessive fastening of the male screws 32 or falling-off of the female screw members 24 from the flanges 21 or the like can be reliably prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector mounting structure for mounting a connector to a unit via a gasket, and more particularly to a structure for ensuring a high sealing property between the connector and the unit.

[0002]

2. Description of the Related Art FIG. 3 shows a conventional connector mounting structure.
Further, as shown in FIG. 4, the flange 41 of the connector 40 abuts around the opening 43 of the unit 42 via the gasket 44, and the male connector portion 45 of the connector 40.
Is loosely fitted into the opening 43 of the unit 42, and in this state, the connector 40 is fixed to the unit 42 by a plurality of (four in FIG. 3) male screws 46.

Near the four corners of the flange 41 of the connector 40, substantially cylindrical female screw members 47 are insert-molded. A through hole 48 is formed inside each female screw member 47 along the longitudinal direction,
Each through hole 48 communicates with a through hole 49 of the unit 42 and a through hole 50 of the gasket 44, respectively. A female screw 51 to which the male screw 46 can be screwed is formed on the inner surface of each through hole 48. The male screws 46 are respectively screwed into the female screw 51 of each female screw member 47 from the side opposite to the connector 40 with the unit 42 interposed therebetween, through the through hole 49 of the unit 42 and the through hole 50 of the gasket 44.
Thereby, the male screws 46 respectively fix the connector 40 to the unit 42 via the gasket 44.

[0004]

In the conventional connector mounting structure described above, the gasket 44 is interposed between the connector 40 and the unit 42, and the gasket 4
4 ensures the sealability between the connector 40 and the unit 42. However, when the connector 40 is not in contact with the unit 42 and the male screw 46 is screwed into the female screw 51 of the female screw member 47, the repulsive force due to the tightening of the male screw 46 is It acts directly on the flange 41 of the 40. Therefore, there is a problem that the flange 41 is deformed by warping or the female screw member 47 is dropped from the flange 41. Therefore, it was extremely difficult to secure a high sealing property between the connector 40 and the unit 42.

According to the present invention, it is possible to surely prevent the flange from being deformed or the female screw from coming off from the flange due to overtightening of the male screw, thereby ensuring a high sealing property between the connector and the unit. An object is to provide a connector mounting structure that can be secured.

[0006]

The above object of the present invention is to provide a connector mounting structure for mounting a connector to a unit via a gasket, which has an opening, and
A unit having a through hole at a predetermined position around the opening,
A connector that has a flange and a connector part, and in which the connector part is loosely fitted into the opening of the unit with the flange abutting the opening of the unit, A gasket having an intervening through hole communicating with the through hole of the unit, a female screw provided at a position corresponding to the through hole of the unit on the flange of the connector, and a unit penetrating from the side opposite to the connector across the unit. The connector has a male screw for fixing the connector to the unit through the gasket by being screwed into the female screw through the hole and the through hole of the gasket, and an abutting portion is provided around the female screw on the flange of the connector. , Is provided so as to project from the flange to the unit side by a certain amount, and the abutting portion is a gas screw in the state where the male screw is screwed into the female screw. It is achieved by a connector mounting structure, characterized in that in contact with the unit via the Tsu bets through hole.

[0007]

In the connector mounting structure according to the present invention,
The male screw is screwed into the female screw provided on the flange of the connector from the side opposite to the connector across the unit, through the through hole of the unit and the through hole of the gasket. As a result, the connector is fixed to the unit via the gasket. In the state in which the male screw is screwed into the female screw, the abutting portion provided by protruding a predetermined amount from the flange of the connector toward the unit contacts the unit via the through hole of the gasket. Thereby, for example, the deformation of the flange due to the excessive tightening of the male screw, the dropping of the female screw from the flange, and the like are reliably prevented.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. 1 and 2 are views showing a connector mounting structure according to an embodiment of the present invention, FIG. 1 is an exploded perspective view, and FIG. 2 is a sectional view. In these figures, the connector 20 is attached to the unit 10 via a gasket 30.

The unit 10 is a part of, for example, a front bulkhead of an automobile, and has an opening 11 into which the connector 20 can be loosely fitted, and through holes 12 near four corners of the opening 11.

The connector 20 has a flange 21 and a male connector portion 22 into which a female connector (not shown) can be fitted. The connector 20 includes a flange 21 around the opening 11 on the right side surface of the unit 10 in FIG.
The male connector portion 22 is loosely fitted in the opening portion 11 of the unit 10 in a state of being abutted via 0, and a plurality (four in FIG. 1) are provided.
It is fixed to the unit 10 by the male screw 32 of.

Fitting grooves 23 are formed near the four corners of the flange 21 of the connector 20, respectively, at positions corresponding to the through holes 12 of the unit 10.
A female screw member 24 is insert-molded in each.

In each of the female screw members 24, an abutting portion 26 is formed in an annular shape integrally with the main body 25 at the left end portion of the main body 25 in FIG.

The main body 25 is formed in a substantially cylindrical shape, and a through hole 27 communicating with the through hole 12 of the unit 10 is provided along the longitudinal direction. On the inner surface of the through hole 27,
A female screw 28 is formed on which the male screw 32 can be screwed.
The abutting portion 26 corresponds to the flange 21 of the connector 20 shown in FIG.
A predetermined amount projects from the middle left side surface to the unit 10 side (left side in FIG. 2). The abutting portion 26 contacts the right side surface of the unit 10 in FIG. 2 through the through hole 31 of the gasket 30 in a state where the male screw 32 is screwed into the female screw 28 of the female screw member 24. Accordingly, the deformation of the flange 21 due to the excessive tightening of the male screw 32, the dropping of the female screw member 24 from the flange 21, and the like are reliably prevented.

The gasket 30 is interposed between the periphery of the opening 11 of the unit 10 and the flange 21 of the connector 20 to ensure the sealing property between the connector 20 and the unit 10. Through holes 31 communicating with the through holes 12 of the unit 10 are provided near the four corners of the gasket 30.

The male screws 32 are inserted into the female screw member 24 from the side opposite to the connector 20 (left side in FIG. 2) with the unit 10 interposed therebetween, through the through hole 12 of the unit 10 and the through hole 31 of the gasket 30. It is screwed onto the screw 28. Thereby, the male screws 32 respectively fix the connector 20 to the unit 10 via the gasket 30.

The operation of the embodiment will be described. Male screw 32
Are the through holes 12 and the gasket 30 of the unit 10 from the side opposite to the connector 20 with the unit 10 interposed therebetween.
It is screwed into the female screw 28 of the female screw member 24 provided on the flange 21 of the connector 20 through the through hole 31.
As a result, the connector 20 is fixed to the unit 10 via the gasket 30.

The male screw 32 is the female screw 28 of the female screw member 24.
In the state in which they are screwed together, the abutting portions 26 formed in an annular shape at the left end portion of the female screw member 24 in FIG.
0 abuts on the right side surface in FIG. As a result, the male screw 32
Deformation of the flange 21 due to over-tightening, or the female screw member 24 falling off the flange 21 is reliably prevented.

As described above, according to the above-described embodiment, the abutting portions 26 of the female screw member 24 and the abutting portion 26 of the female screw member 24 are respectively engaged with the gasket 30 when the male screw 32 is screwed into the female screw 28 of the female screw member 24. Since it abuts on the unit 10 through the through hole 31, it is possible to reliably prevent the flange 21 and the gasket 30 from being deformed or the female screw member 24 coming off from the flange 21 due to overtightening of the male screw 32. As a result, a high sealing property between the connector 20 and the unit 10 can be stably ensured.

In the above embodiment, the abutting portions 26 are formed integrally with the female screw member 24, respectively.
The abutting portions 26 may be configured separately from the female screw member 24. Further, each of the female screw members 24 is insert-molded on the flange 21 of the connector 20, and the female screw 28 is formed on the inner surface of the through hole 27 of the female screw member 24. However, without providing the female screw member 24, The female screw 28 may be formed directly on the inner surface of the fitting groove 23 of the flange 21.

[0020]

As described above, according to the present invention, the abutting portion abuts the unit via the through hole of the gasket when the male screw is screwed into the female screw. It is possible to reliably prevent the flange from being deformed due to over-tightening, or the female screw from falling off from the flange. As a result, a high sealing property between the connector and the unit can be stably ensured.

[Brief description of drawings]

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

2 is a cross-sectional view of the connector mounting structure of FIG.

FIG. 3 is an exploded perspective view showing a conventional connector mounting structure.

4 is a cross-sectional view of the connector mounting structure of FIG.

[Explanation of symbols]

 10 Unit 11 Opening 12 Unit Through Hole 20 Connector 21 Flange 22 Connector Part (Male Connector) 24 Female Screw Member 26 Abutting Part 27 Female Screw Member Through Hole 28 Female Screw 30 Gasket 31 Gasket Through Hole 32 Male Screw

Claims (1)

[Claims] 1. A connector mounting structure for mounting a connector to a unit via a gasket, the unit having an opening and a through hole at a predetermined position around the opening, a flange and a connector section, and a flange. The connector is loosely fitted into the opening of the unit while being in contact with the periphery of the opening of the unit, and is inserted between the periphery of the opening of the unit and the flange of the connector to communicate with the through hole of the unit. A gasket with a through hole, a female screw provided at a position corresponding to the through hole of the unit on the flange of the connector, and a female screw through the through hole of the unit and the through hole of the gasket from the side opposite to the connector across the unit. It is equipped with a male screw that fixes the connector to the unit via the gasket by being screwed into the screw. Around the female thread on the flange of the nectar, an abutting portion is provided so as to project from the flange toward the unit side by a predetermined amount. A connector mounting structure characterized in that it abuts on a unit through a through hole.