JPH0727587Y2 - connector - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial field of application) The present invention relates to a connector for detachably connecting a wire harness.

(Prior Art) A connector is widely used for connecting a wire harness used in an electric device such as an automobile. As this type of connector, the connectors shown in FIGS. 4 and 5 have been conventionally known. That is, on one surface of the housing 3 of the female connector 2 to which the electric wire 1 is connected, a locking portion 5 in which a gap 4 is formed is provided. On the other hand, one end of a lock portion 9 is integrally connected to one surface of the housing 8 of the male connector 7 to which the electric wire 6 is connected, with a gap 10 therebetween, and the lock portion 9 is substantially parallel to the axial direction. A claw portion 11 is provided so as to project toward the female connector 2 side. A pressing portion 12 is provided above the lock portion 9.

When the female connector 2 and the male connector 7 are fitted to each other, as shown in FIG. 5, the housing 3 of the female connector 2 is provided in a gap 10 formed between the lock portion 9 and the housing 8 of the male connector 7. , And the claw portion 11 provided on the lock portion 9 elastically engages with the locking portion 5 through a gap 4 formed between the housing 3 of the female connector 2 and the locking portion 5. To do. When removing the connectors 2 and 7, the pressing portion 12 is pushed to release the engagement between the claw portion 11 and the locking portion 5, and at the same time, the male connector 7 is grasped and pulled out from the female connector 2.

On the other hand, as a conventional means for fixing either one of the connectors 2 and 7, for example, the male connector 2, to a panel or the like, the one described in Japanese Utility Model Laid-Open No. 55-108685 is known. This proposal is based on the female connector 13 as shown in FIG.
On the outer wall surface of the housing 14 of the
15 are formed, the slits 18 inside the pair of protrusions 17 formed on the support plate 16 are detachably fitted to these protrusions 15, and a snap 19 is provided on the upper surface of the support plate 16. is there. According to this structure, the female connector 13 can be attached to and detached from the support plate 16 via the ridges 15 and 17 in a state where the snap 19 is attached to a panel or the like not shown.

(Problems to be Solved by the Invention) However, according to the above-mentioned conventional technique, FIG.
When an external force F is applied to the pressing portion 12 of the lock portion 9 of the male connector 7 as shown in (b), the claw portion 11 is disengaged from the locking portion 5 and the lock is released, as shown in (b). As shown, the male connector 7 may be pulled out from the female connector 2.

On the other hand, in order to fix one of the connectors 2 and 7 to a panel or the like, a supporting plate 16 having a complicated structure is required, resulting in an increase in cost.

The present invention is intended to solve the above-mentioned problems of the prior art, and the purpose thereof is to securely lock the mating state of a pair of connectors, and to easily mount it on a panel or the like with a simple structure. The object is to provide a connector that can be attached to and detached from.

[Constitution of device]

(Means for Solving the Problems) In order to achieve the above object, a connector of the present invention comprises a first connector having a lock portion and a second connector having a locking portion, and these connectors are fitted to each other. A connector in which a claw portion provided on the lock portion is locked and locked by the locking portion when electrically connected together.
A first through hole is formed in the pressing portion of the lock portion of the first connector at a right angle to the axial direction, and when the first connector and the second connector are fitted to each other, the first connector A pair of convex portions, each having a second through hole located coaxially with the through hole, are provided in front of the locking portion of the second connector, and the first and second through holes are penetrated respectively. It is characterized by the provision of a lock pin to
Devised).

Further, the connector of the present invention is also characterized in that a clip portion for fixing the connector to a panel or the like is provided at one end of the lock pin (first invention).

(Operation) In the first invention, when the first connector and the second connector are fitted to each other, the first through hole formed in the pressing portion of the lock portion of the first connector and the second connector The second through holes formed in each of the pair of convex portions in front of the locking portion are substantially aligned with each other. By inserting the lock pins into these through holes, the first connector and the second connector are locked together, and the lock is not released even if an external force acts on the pressing portion. In other words, the claw portion provided on the lock portion of the first connector and the locking portion provided on the second connector are locked by the engagement and doubly locked.

Further, in the second invention, the connector can be fixed to the panel or the like by mounting the clip portion formed at one end of the lock pin inserted in the first and second through holes on the panel or the like.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows an embodiment of this invention. In these figures, the same or equivalent parts as those of the conventional example shown in FIGS. 4 and 5 are designated by the same reference numerals and the description thereof will be omitted. The feature of this embodiment is that the first connector 7 in this embodiment has a first through hole 20 formed in the pressing portion 12 of the lock portion 9 provided in the male connector 7 at right angles to the axial direction, Connector 2 In this embodiment, a pair of convex portions 21 are provided so as to face both sides of the front surface of the female connector 2 in the drawing, and a second through hole 22 is formed in each of the convex portions 21 at right angles to the axial direction. is there. Then, the through holes 20 and 22 are positioned almost in a straight line in a state where the male connector 7 is fitted to the female connector 2 and the claw portion 11 is engaged and locked with the locking portion 5, and the lock pin 23 is inserted. It is supposed to be done. Further, a cutout portion 24 into which the pressing portion 12 of the lock portion 9 is fitted is formed on the upper surface of the front end of the housing 3 of the female connector 2. In addition, the lock pin 23
An elastically contracting locking portion 25 is provided at the tip of the lock stopper, and a stopper 26 is provided at the base end of the lock pin.
A notch portion 27 for reducing the diameter of the locking portion 25 is formed at an axially intermediate portion of 23.

Next, the operation of this embodiment will be described with reference to FIGS. When the female connector 2 and the male connector 7 are fitted to each other, the claw portions 11 of the lock portion 9 are sequentially inserted into the housing 3 of the female connector 2 as shown in (a), (b) and (c) of FIG. Then, the claw portion 11 is locked and locked by the locking portion 5 as shown in (c). In this state, the first through holes 20 formed in the pressing portion 12 and the second through holes 22 formed in the pair of convex portions 21 are substantially aligned. When the lock pin 23 is inserted into the through holes 20 and 22, the locking portion 25 is reduced in diameter and penetrates through the notch 27, and when the protruding portion 21 projects outward, the locking portion 25 expands. The diameter is locked. Therefore, the lock pin 23 is locked in the axial movement by the stopper 26 and the locking portion 25, and the fitting state of the female connector 2 and the male connector 7 is locked by the lock pin 23. Further, the lock pin 23 can be easily pulled out from the through holes 20 and 22 by compressing the locking portion 25.

According to this embodiment, since the lock pin 23 is inserted, the lock is not released even if an external force acts on the pressing portion 12.

In addition, in the above, when the engagement between the claw portion 11 of the lock portion 9 and the locking portion 5 is incomplete, the first through hole 20 and the second through hole 22 are not aligned in a straight line, Since the lock pin 23 cannot be inserted into the through holes 20 and 22, incomplete fitting of the connector can be detected.

FIG. 3 shows a second embodiment of this invention. In this embodiment, a clip portion 28 is provided outside the stopper 26 of the lock pin 23. The clip portion 28 is formed in a hook shape that can be elastically reduced in diameter in the radial direction.

According to this embodiment, for example, the clip portion 28 is compressed and inserted into the hole portion 30 formed in the panel 29 of the vehicle body, and the diameter is increased after the insertion, so that the clip portion 28 is supported by the lock pin 23 through the clip portion 28. The connectors 2 and 7 can be detachably fixed to the panel 29. Also, by changing the size of the clip portion 28 according to the hole diameter of the hole portion 30 formed in the panel 29, the clip portion 28 can be fixed to holes of various sizes, and a complicated support plate as in the past can be omitted and an inexpensive lock can be achieved. The pin 23 enables fixation.

In each of the above embodiments, the case where the locking portion 5 is provided in the female connector 2 and the locking portion 9 is provided in the male connector 7 has been described, but the positions of the locking portion 5 and the locking portion 9 may be reversed.

[Effect of device]

As described above, according to the connector of the present invention, the pair of connectors are locked by the lock pins, and the double locking structure is provided in cooperation with the locking by the locking claws. Therefore, even if an external force is applied to the pressing portion. The lock does not come off and can be locked securely.

Further, in the above, when the engagement between the lock portion and the engagement portion is incomplete, the first through hole and the second through hole do not coincide with each other, and the lock pin cannot be inserted into these through holes. This makes it impossible to detect incomplete fitting of the connector.

Further, in the connector of the present invention, the lock pin is provided with a clip portion, and the connector is fixed to the panel or the like through the clip portion, so that the connector can be formed into a panel having various diameters with a simple structure. It can be easily fixed in the hole.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention, FIGS. 2 (a), (b) and (c) are explanatory views showing the same operation, and FIG. 3 is a second embodiment of the present invention. FIG. 4 is a plan view showing the conventional connector, FIG. 4 is a vertical sectional view showing a state in which the connectors are connected to each other, and FIG. 6 is a perspective view showing a fixing means of the conventional connector. (A) (b) (c) is explanatory drawing which shows the process in which the lock of the conventional connector was released. 2 …… Second connector (female connector) 5 …… Locking portion 7 …… First connector (male connector) 9 …… Lock portion 11 …… Claw portion 12 …… Pressing portion 20,22 …… Through hole 21 …… Convex part 23 …… Lock pin 28 …… Clip part

Claims (2)

[Scope of utility model registration request] 1. A first connector having a lock portion and a second connector having a locking portion, which are provided on the lock portion when these connectors are fitted and electrically connected. A connector in which a claw portion is locked by being locked by the locking portion, wherein a first through hole is formed in the pressing portion of the lock portion of the first connector at a right angle to the axial direction.
When the connector and the second connector are fitted together,
A pair of convex portions, each having a second through hole located coaxially with the first through hole, are provided in front of the locking portion of the second connector, and the first and second through holes are provided. A connector provided with a lock pin penetrating each of the holes. 2. The connector according to claim 1, wherein a clip portion for fixing the connector to a panel or the like is provided at one end of the lock pin.