JP2600046Y2 - Grommet protective cover for bolted connectors - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protective cover for a grommet for a bolted connector. A protective cover that covers the vehicle body panel mounting portion after the bolted connector is mounted in the vehicle body panel mounting portion provided on the vehicle body, and the vehicle body panel mounting portion is moved to the vehicle This facilitates the work of attaching to the side.

[0002]

2. Description of the Related Art Conventionally, as shown in FIGS. 5 to 7, a through hole 1a formed in a body panel 1 of an automobile and a door panel 2 are formed.
The grommet 3 is attached to the wire harness wired through the through hole 2a formed in the grommet, and the panel mounting portions 3a and 3b provided at both ends of the grommet are connected to the through holes 1a and 2b.
In addition to waterproofing by pressing and fixing to the outer peripheral surface of a, a wire group is covered and protected by a conductive wire portion 3c between the panel mounting portions 3a and 3b.

A bolt tightening connector 4 disposed on the outer surface of the vehicle body panel is attached to the panel mounting portion 3a on the vehicle body side. The connector 4 is tightened with a mating connector disposed on the inner surface side of the vehicle body panel with a nut. The connectors are connected to each other, and the end face of the outer peripheral wall of the grommet body mounting portion 3a is pressed against the vehicle body panel.

After the connector 4 is covered with the panel mounting portion 3a of the grommet 3 having flexibility, the panel mounting portion 3a is covered with a resin protective cover 7, and in this state, the protective cover 7 and the panel mounting portion 3b are covered. Through the bolt hole drilled in the connector 4 and into the screw hole drilled in the connector 4
Through, it is pre-assembled. Therefore, the head 6a of the bolt 6 also projects outward from the protective cover 7.

A grommet 3 in which the connector 4 and a group of electric wires connected to the connector 4 are assembled with the bolted connector 4 attached to the panel mounting portion 3a and the bolt 6 protruding outward as described above is shown in FIG. As shown in the figure, the through holes 2 formed in the inner surface
b, and after penetrating the inside of the door panel 2,
The vehicle body panel 1 is pulled out through the through hole 2a on the side facing the vehicle body panel, and the vehicle body panel mounting portion 3a is mounted on the vehicle body panel 1.

[0006]

When the grommet 3 accommodating the bolted connector 4 passes through the inside of the door panel 2, the bolt head 6a protruding from the grommet 3 and the protective cover 7 easily interferes with other parts. However, there is a problem that other parts in contact may be damaged, and it is difficult to smoothly penetrate the grommet 3 through the inside of the door panel.

The present invention has been made to solve the above-mentioned problem, and has as its object to prevent a projecting bolt head from coming into contact with other parts when penetrating a door panel, and to enable a smooth penetrating operation.

[0008] In order to achieve the above object, the present invention relates to a panel mounting portion provided at a front end of a grommet, which is pulled out to the outside of a panel after being penetrated through the inside of the panel, on a panel insertion side. A protective cover made of resin, which is covered with the bolt head of the bolted connector attached to the bolt protruding from the panel insertion side, and provided with a guide portion which is inclined and protrudes toward the bolt head; A protective cover for a grommet for a bolted connector, wherein a protruding end on a head side is protruded from a bolt.

On the outer surface of the protective cover, a cut-out portion for passing a lead wire projecting from the panel mounting portion of the grommet is provided on the opposite side to the guide portion with a bolt hole interposed therebetween.
A wire group connected to a connector mounted in the panel mounting portion penetrates through the conductor portion of the grommet, and thus is inserted into a panel such as a door panel from a side provided with a guide portion opposite to the conductor portion. It is penetrated.

The guide portion protruding from the outer surface of the protective cover is formed of a triangular plate portion protruding from the front end of the panel insertion side toward the bolt side, and the pair of triangular plate portions may be installed at an interval of at least the width of the bolt. preferable. Further, a shielding frame surrounding the bolt head may be provided by connecting the protruding ends of the pair of triangular plates.

Alternatively, one of the triangular plates is provided at the center of the outer surface of the protective cover in the width direction, and a shielding plate protruding in the width direction is protruded from a protruding end thereof, and the shielding plate is inserted into the bolt head. It may be located on the side.

Alternatively, the entire outer surface of the protective cover is set to protrude from the bolt head, a recess for accommodating the bolt head is formed in the outer surface, and the bolt is inserted from the front end of the outer surface into the panel insertion side. A guide portion may be formed so as to project obliquely toward the head.

[0013]

As described above, when the protective cover is provided with a guide portion which is inclined and protrudes from the panel insertion side toward the bolt side, when the grommet is inserted into the panel and penetrated while the protective cover is attached, the penetrating part is in progress. The other parts that interfere with the first contact first contact the guide part of the protective cover. At this time, since the guide portion is inclined, other parts are not caught by the guide portion and the penetration is not prevented, and since the guide portion protrudes from the bolt head, the bolt head is Can be prevented from being damaged by contact with other parts.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to embodiments shown in the drawings. FIG. 1 shows a protective cover 10 according to the first embodiment.
Is shown. The protective cover 10 is provided with a grommet 11 attached to a wire harness penetrating through the vehicle body panel 1 and the door panel 2 in the same manner as in FIGS.
Of the vehicle body panel mounting portion 11a.

The protective cover 10 is integrally formed of a thin resin and has an outer surface portion 12 formed of a substantially rectangular flat plate and an outer peripheral portion 13 protruding from the outer end edge. The rubber grommet 11 is attached so as to cover the entire vehicle body panel attachment portion 11a.

A bolt hole is formed substantially at the center of the outer surface portion 12 of the protective cover 10, and a rectangular frame-shaped shielding frame portion 14 is provided so as to surround the bolt hole, and is connected to the shielding frame portion 14. do it,
A guide portion 16 including a pair of triangular plate portions 15 protrudes from a front portion on the panel insertion side (the X side in FIG. 1) at intervals in the width direction.

The pair of triangular plate portions 15 have a triangular shape protruding from the front portion on the insertion side X toward the rear portion on the bolt hole side.
The protruding end 15a is the head 6 of the bolt 6 attached to the bolt hole.
a to protrude further from the upper end of the
Are connected to the front frame 14a of the shielding frame portion 14 having the same height. Further, a distance L1 between the pair of triangular plate portions 15 in the width direction.
Is set to be equal to or larger than the width L2 of the bolt head 6a.

The width side frames 14b of the shielding frame portion 14 are inclined toward the rear side from the insertion side X, and the rear frame 14c at the rear of the bolt head 6a projects from the bolt head 6a. Therefore, the two side frames 1 of the shielding frame portion are moved from the triangular plate portion 15.
4b, an inclined portion that continuously projects from the front portion of the insertion side X to the rear side is provided.

On the rear side of the shielding frame portion 14, that is, on the opposite side to the guide portion 15, a notch portion 16 for penetrating the conducting wire portion 11b of the grommet 11 is provided. Notch 16
The outer peripheral part 13 on the side provided with is divided and connected via a hinge part thinner than the tip of the outer peripheral part 13 on both sides in the width direction,
The locking portions provided at the divided distal end portions are locked to each other.

In the protective cover 10 having the above-described structure, the connector 4 connected to the wire group with respect to the grommet 11 is drawn out to the panel mounting portion 11a through the conducting wire portion 11b, and the connector mounting portion 11a is covered with the connector 4. , Attached to the outer surface of the panel mounting portion 11a. That is, the outer surface portion 1
2 is in contact with the outer surface of the panel mounting portion 11a, and the outer peripheral portion 13 is in contact with the outer peripheral surface of the panel mounting portion 11a.

In the above-described mounting state, the screw holes (not shown) formed in the connector 4 communicate with the panel mounting portion 11a and the bolt holes provided on the outer surface of the protective cover 10. The bolt 6 is screwed into the screw hole of the connector 4 through the bolt hole of the protective cover 10 and the panel mounting portion 10 a of the grommet 10, so that the protective cover 10 and the grommet 11 are fixed to the connector 4.

The head 6 a of the screwed bolt is located on the outer surface of the protective cover 10 and is surrounded by the shielding frame 14. As described above, the bolted connector 4 and the electric wire connected to the connector are attached to the grommet 11, and the protective cover 10 is assembled in advance with the grommet 11 covering the panel mounting portion 11 a.

As shown in FIG. 7, the grommet 11 is
When a wiring operation is performed in which the inside of the door panel 2 is penetrated through the hole 2b of the door panel 2 and drawn out from the hole 2a, the wiring is inserted through the hole 2b from the front portion X side of the panel mounting portion 11a to penetrate the inside of the door panel 2. At that time, bolt head 6
Although a protrudes from the protective cover 10, since the guide portion 16 is provided at the front portion on the insertion side, even if there is another component at a position where it interferes during penetration, the component first
The triangular plate portion 15 of the guide portion 16 comes into contact with the guide portion 16.
Glide on the inclined upper surface. Since the upper end of the triangular plate 15 protrudes from the bolt head 6a, the bolt head 6a can be smoothly penetrated without contacting other components with the bolt head 6a.

The protective cover 10 is not limited to the first embodiment, but may be constructed as shown in FIGS. 2 to 4. The protection cover 10 of the second embodiment shown in FIG. 2 is provided with only the guide portion 16 including the triangular plate portion 15 of the first embodiment. The triangular plate 15 of the second embodiment has a protruding end 15
a protrudes considerably higher than the bolt head 6a. Therefore, even if a shielding frame surrounding the bolt head is not provided, the other parts are guided by the guide portion 16 to interfere with the bolt head. Can be prevented.

In the third embodiment shown in FIG.
One triangular plate 15 protrudes from the center of the protective cover 10 in the width direction, and a shielding plate 14 ′ in the width direction at the same height as the protruding end is provided at the rear of the protruding end of the triangular plate 15. It is protruding. The protective cover 10 according to the third embodiment also has the same operation as the first and second embodiments.

The fourth embodiment shown in FIG. 4 differs from the first to third embodiments in that the outer surface 12 'of the protective cover 10 is formed to protrude from the bolt head 6a. That is, the concave portion 20 is provided at the center of the protruded outer surface portion 12 ', and the bolt head 6a is accommodated in the concave portion 20. Further, the front portion of the outer surface portion 12 'on the panel insertion side X is formed so as to be inclined downward toward the front end, so that a guide portion 16' which is inclined upward from the front end toward the bolt side is provided.

In the protective cover 10 of the fourth embodiment, the bolt head 6a does not project at all and the protective cover 10
Since the panel insertion side is inclined, the front end face of the protective cover 10 can be prevented from interfering with other components.
Therefore, it is possible to smoothly penetrate the inside of the door panel.

[0028]

As is apparent from the above description, the protective cover according to the present invention is provided with a guide portion which is inclined from the panel insertion side toward the bolt side and whose protruding end protrudes from the bolt. Therefore, when wiring work to penetrate the inside of the panel with the protective cover attached, if there is another part at the position where it interferes, it is first guided in contact with the guide part, and the guide part is protruded from the bolt. Therefore, contact with the bolt can be prevented. Therefore,
It is possible to prevent the bolt from being damaged by contact with the bolt and to prevent the bolt from being caught on the bolt to prevent the penetration operation. As a result, the grommet to which the protective cover is attached can be easily penetrated into the inside of the panel, and there is an advantage that workability is improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a protective cover according to a first embodiment of the present invention is attached to a grommet.

FIG. 2 is a schematic perspective view of a second embodiment.

FIG. 3 is a schematic perspective view of a third embodiment.

FIG. 4 is a schematic perspective view of a fourth embodiment.

FIG. 5 is a schematic perspective view showing a usage example of a grommet for attaching a protective cover.

FIG. 6 is a perspective view showing a state in which a conventional protective cover is attached to a grommet.

FIG. 7 is a schematic perspective view showing a wiring method of the grommet.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Body panel 2 Door panel 4 Bolt tightening connector 6 Bolt 10 Protective cover 11 Grommet 11a Panel mounting part 11b Conducting wire part 12 Outer surface part 14 Shielding frame part 15 Triangular plate part 16 Guide part

Claims (4)

(57) [Scope of request for utility model registration] 1. A bolt mounting connector mounted in a panel mounting portion provided at a front end on a panel insertion side of a grommet which is inserted into the panel and penetrated and then pulled out of the panel and disposed. A protective cover made of resin, which is covered with the bolt head protruding, wherein a guide portion is provided which projects obliquely toward the bolt head from the panel insertion side. A grommet protection cover for a bolted connector, wherein a protruding end is made to protrude from a bolt. 2. A protection device according to claim 1, wherein a notch for passing a lead wire protruding from a panel mounting portion of the grommet is provided on an outer surface of the protection cover on a side opposite to the guide portion with a bolt hole interposed therebetween. The protective cover according to claim 1. 3. The protective cover according to claim 1, wherein the guide portion provided on the outer surface of the protective cover comprises a triangular plate portion protruding from the outer surface from the front end of the panel insertion side to the bolt side. 4. An outer surface of the protective cover is set so as to protrude from the bolt head, a recess for accommodating the bolt head is formed in the outer surface, and a bolt is inserted from a front end of the outer surface into the panel insertion side. 3. The protective cover according to claim 1, wherein a guide portion is formed so as to be inclined and protruded toward a head side.