JPH04118583U - Grommet with connector - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a grommet with a connector used for wiring inside an automobile.

[Conventional technology]

Conventionally, as a grommet with a connector used for wiring inside a car, a harness W is inserted into a vehicle panel A through a grommet 30 and a sound-deadening cover 31 fitted into an opening at the tip of the grommet 30, as shown in FIG. Insert the grommet 30 into the provided fitting hole a.
is fitted into the fitting hole a, and the sound deadening lid 31 is fitted into the opening at the tip of the grommet 30, and then the connector 35 attached to the terminal part of the harness W is separated from the vehicle panel A. A grommet with a connector configured to electrically connect the connector 40 attached to the terminal end of the harness W' arranged therein, and a locking stepped portion 36a, 36a at the tip as shown in FIG.
A connector 35 having locking arms 36, 36 protruding diagonally forward is fitted into the grommet 30, and a locking stepped portion 36a is formed at the tip of the locking arms 36, 36 provided on the connector 35. The connector 35 and the grommet 30 are simultaneously attached to the vehicle panel A by forcibly fitting the connector 36a into a fitting hole a drilled in the vehicle panel A, and the mating connector 40 is connected to the connector 35. Grommets with connectors are known.

[The problem that the idea aims to solve]

However, in the grommet with a connector shown in FIG.
The connection work is troublesome and takes a long time, such as the work of fitting the sound deadening lid 31 on the vehicle panel A, and the work of connecting the connectors 35 and 40 attached to the harnesses W and W' arranged across the vehicle panel A, which requires both hands. There was a problem that it took time.

In addition, in the grommet with a connector shown in FIG. 6, the locking steps 36a, 36a formed at the tips of the locking protrusions 36, 36 provided on the connector 35 are inserted into the fitting holes a drilled in the vehicle panel A. By forcibly fitting the grommet 30 and the connector 35 to the vehicle panel A.
In addition, the workability of connecting the connectors 35 and 40 can be done with one hand, which improves work efficiency. There was a problem that it could be pulled out from A very easily.

The present invention was devised in view of the above problems, and an object of the present invention is to provide a grommet with a connector that has excellent workability and can be completely and firmly attached to a vehicle panel A.

[Means to solve the problem]

In order to achieve the above object, the present invention attaches a rubber grommet to either the male or female connector, and attaches the other connector to the edge of the fitting hole drilled in the vehicle panel. In a grommet with a connector provided with a locking protrusion, the connector provided with the locking protrusion has a lock key insertion part whose top surface is open, and a protrusion part supported in a seesaw shape at approximately the center of the lock key insertion part and a protrusion at the base end. The grommet with a connector is provided with a movable piece and is configured so that the connector is completely locked in a fitting hole formed in a vehicle panel by a lock key inserted into the lock key insertion portion.

[Effect]

The locking protrusion provided at the tip of the connector attached to the vehicle panel locks on both sides of the hole edge of a fitting hole drilled in the vehicle panel. The movable piece, which has a protrusion at its base end and is supported in a see-saw manner approximately in the center of the lock key insertion part, comes into pressure contact with the inner surface of the fitting hole drilled in the vehicle panel, and its repulsive spring force causes the above-mentioned locking. The protrusion is completely engaged with both sides of the hole edge of a fitting hole drilled in a vehicle panel. A lock key is inserted into the lock key insertion portion, and the lock key seals the movement of the movable piece and securely and firmly fixes the connector to the vehicle panel, and when the connector is incompletely attached to the vehicle panel. In some cases, the tip of the lock key comes into contact with the protrusion provided at the base end of the movable piece, making it impossible to completely insert the lock key into the lock key insertion part, resulting in the connector being attached to the vehicle panel incompletely. It is detected that

On the other hand, a rubber grommet fitted to a mating connector that is electrically connected to the above-mentioned connector is in close contact with the vehicle panel and prevents noise, rainwater, dust, etc. from entering the vehicle interior from the engine room side.

〔Example〕

Embodiments of the present invention will be described below with reference to the drawings.

Fig. 1 is an exploded view showing one embodiment of the invention, Fig. 2 is a perspective view showing the connector and lock key that constitute the invention, and Figs. 3 and 4 are explanatory diagrams showing the state of use. 1 is a male connector, 2 is a fitting opening into which the tip of the mating female connector 10 is fitted, and 3 is a lock key insertion part separated from the fitting opening 2 by a partition wall. As shown in FIG. 2, the upper surface is open, and a movable piece 4 having a protrusion 4a formed at the base end is supported substantially in the center thereof so as to be see-sawable. Reference numeral 5 denotes a lock key to be inserted into the lock key insertion portion 3, and the lock key 5 is inserted into the lock key insertion portion 3 after the male connector 1 is attached to the vehicle panel A as shown in FIG. The movement of the movable piece 4 is sealed. Further, if the male connector 1 is not completely attached to the vehicle panel A, the tip of the lock key 5 comes into contact with the protrusion 4a provided at the base end of the movable piece 4, and the lock key 5 is It is detected that the male connector 1 cannot be completely inserted into the lock key insertion portion 3 and that the male connector 1 is not completely attached to the vehicle panel A. Note that the lock key 5 may be temporarily locked to the male connector 1 in advance. Numerals 6 and 7 are locking projections formed on the outer wall surface of the tip of the male connector 1, and the locking projections 6 and 7 are respectively locked on both sides of the hole edge of a fitting hole a drilled in the vehicle panel A. It looks like this.

10 is a female connector, and 11 is a flange provided on the outer peripheral surface of the upper end of the female connector 10.

Reference numeral 20 denotes a rubber grommet, and the rubber grommet 20 is provided with a fitting groove 21 that removably fits into the flange 11 provided on the outer peripheral surface of the upper end of the female connector 10. A suction cup-shaped contact portion 22 is formed in the holder.

In order to connect, for example, a harness W disposed in the engine room and a harness W' disposed in the vehicle interior using the grommet with a connector of the present invention configured as described above, it is necessary to The male connector 1 is connected to the terminal part of the harness W, and the male connector 1 is tilted diagonally as shown in FIG. The movable piece 4 is brought into pressure contact with the inner surface of hole a.
into the lock key insertion part 3, or bend the movable piece 4 into the lock key insertion part 3 by hand, and in this state locking protrusions 6, 7 are attached to both sides of the hole edge of the fitting hole a.
When the movable piece 4 is locked, as shown in FIG. It is completely locked on both sides of the hole edge of the fitting hole a.

Next, insert the lock key 5 into the lock key insertion part 3.
By inserting the connector, the movement of the movable piece 4 is sealed, and the male connector 1 is completely and firmly fixed to the vehicle panel A.

On the other hand, when the male connector 1 is not completely attached to the vehicle panel A, the tip of the lock key 5 comes into contact with the protrusion 4a provided at the base end of the movable piece 4, as described above, and the lock key 5 cannot be completely inserted into the lock key insertion portion 3, and it is detected that the male connector 1 is not completely attached to the vehicle panel A.

After attaching the male connector 1 to the vehicle panel A as described above, when the mating female connector 10 is inserted and connected to the male connector 1, the flange 11 of the female connector 10 causes a connection as shown in FIG. The lock key 5 inserted into the lock key insertion part 3 is prevented from coming out, and the harness W disposed on the engine room side and the harness W' disposed inside the vehicle are electrically connected. , a suction cup-shaped contact portion 22 provided at the tip of the grommet 20 fitted into the female connector 10
is in close contact with the vehicle panel A, completely preventing noise, rainwater, dust, etc. from entering the vehicle interior from the engine compartment.

In the above description, a male connector 1 to be attached to a vehicle panel A has a lock key insertion part 3, and a movable piece 4 supported in a seesaw shape approximately at the center of the lock key insertion part 3 and having a protrusion 4a formed at the base end. and a lock key 5 inserted into the lock key insertion portion 3.
Although the embodiment has been illustrated and described, the present invention is not limited to the above-mentioned embodiment.The female connector 10 is attached to the vehicle panel A, and the lock key is inserted into the female connector 10. A key insertion part and a movable piece that is supported in a seesaw manner and has a protrusion at the base end are provided approximately at the center of the lock key insertion part, and a grommet is attached to the mating male connector that is connected to the female connector. Of course, a grommet with a connector may be configured.

[Effect of idea]

According to the present invention, as described above, not only can the male connector (or female connector) be completely and firmly attached to the vehicle panel, but also the male connector (or female connector) can be attached to the vehicle panel A. If it is completely installed, this can be detected by the lock key, and by connecting the mating female connector (or male connector), the lock key will be prevented from coming out and will not be attached to the vehicle panel. Even if a mechanical pulling force or the like is applied to the attached connector, there is no fear that it will be pulled out from the vehicle panel.

In addition, connecting the connectors to each other can be done easily and quickly with one hand, and by connecting the connectors to each other, the suction cup-shaped contact part provided at the tip of the grommet comes into close contact with the vehicle panel, so it can be easily accessed from the engine compartment to the passenger compartment. It has excellent advantages such as being able to completely prevent noise, rainwater, dust, etc. from entering.

[Brief explanation of the drawing]

Fig. 1 is an exploded view showing one embodiment of the present invention;
The figure is a perspective view showing the connector and lock key that constitute the present invention, Figures 3 and 4 are explanatory views showing the state of use, and Figures 5 and 6 are explanatory views showing a conventional grommet with a connector. . DESCRIPTION OF SYMBOLS 1...male connector, 3...lock key insertion part, 4...movable piece, 5...lock key, 6...locking protrusion, 7...locking protrusion, 10...female connector, 20... ...Grommet, A...Vehicle panel, a
...Mating hole.

Claims (1)

[Scope of utility model registration request] In a grommet with a connector, a rubber grommet is attached to either the male or female connector, and the other connector is provided with a locking protrusion that locks to the edge of a fitting hole drilled in a vehicle panel. A connector provided with a locking protrusion is provided with a lock key insertion part whose top surface is open, and a movable piece supported in a seesaw shape approximately at the center of the lock key insertion part and having a protrusion formed at the base end. A grommet with a connector characterized by having a lock key inserted into the insertion part.