JPH08115765A - Connector with cam member - Google Patents

Abstract

PURPOSE: To provide a connector with cam member in which a worker can quickly and surely confirm that a slide type cam member is moved to a finish position capable of moving the housing of a partner connector to a perfect fitting position. CONSTITUTION: A cam member 30 has an elastic piece 40 extended from the upper end part of its side wall part 33 to a housing 12, the elastic piece 40 has a protruding part 42 and a first surface 41. On the other hand, a plate contact part 50 having a hole part 54 which receives the protruding part 42 of the elastic piece 40 and is engaged with it is formed on the upper part of the housing 12. The protruding part 42 is slid with the second surface of the contact part 50 while the cam member 30 is moved from a preparation position to a finish position, whereby the elastic piece 40 is deflected downward, and the protruding part 42 is received into the hole part 54 and engaged with it at a point of time when the cam member 30 is moved to the finish position, whereby the elastic piece 40 is elastically restored. At this restoration, the first surface 41 of the elastic piece 40 makes contact with the second surface of the contact part 50 to generate a contact sound.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrical connector, and more particularly to a connector with a cam member which is capable of completely fitting a housing of a mating connector and its own housing with a small force by operating a slide type cam member. It is a thing.

[0002]

2. Description of the Related Art A connector provided with a slide type cam member of this type is disclosed, for example, in Japanese Utility Model Laid-Open No. 6-11275 and 6-5.
As disclosed in Japanese Patent No. 4255, it is possible to move the housing of the mating connector from the ready position where the cam member can be engaged with the housing of the mating connector in the temporary mating position to the complete mating position. By sliding to the position, the housing of the mating connector and the own housing can be completely fitted with a small force.

[0003]

By the way, in order to surely perform the connecting work with the mating connector, it is necessary for the worker to quickly slide the cam member to the completion position during the connecting work. It is preferable to be able to confirm. However, the conventional connector with a cam member is
It was difficult for the operator to confirm whether or not the cam member was slid to the completion position. Therefore, it is difficult to perform the connecting work, and there is a high possibility that the connecting work is ended without sliding the cam member to the completion position. In particular, depending on the technical field, there is a case where both connectors are connected in a groping state, and in such a case, it is more difficult to confirm that the cam member has been moved to the completion position.

The present invention has been made in view of the above circumstances, and it is an object of the present invention that an operator can quickly and surely move a slide type cam member to a completion position to surely connect to a mating connector. The purpose is to provide a connector with a cam member that can be confirmed.

[0005]

To achieve the above object, a connector with a cam member according to the present invention is provided with a housing and a mating connector by sliding a slide type cam member attached to the housing from a preparation position to a completion position. In a connector with a cam member capable of being completely fitted with a housing of, one of the housing and the cam member is located outside the housing when the cam member moves to the completion position, Has a first surface extending substantially parallel to the sliding direction of the cam member,
An elastic piece that is elastically deformable in a direction substantially perpendicular to the sliding direction is provided, and on the other side, an abutting portion having a second surface extending substantially parallel to the sliding direction is provided. On one of the abutting portions, a convex portion that bends and deforms the elastic piece in the substantially perpendicular direction while slidingly contacting with the other when the cam member slides from the preparation position to the completion position is provided on the other. , A concave portion for receiving the convex portion and elastically restoring the elastic piece when the cam member moves to the completion position, and the second surface is the first portion of the restored elastic piece. It is characterized in that it is provided at a position where it makes contact sound with the surface of (1) and generates contact sound.

[0006] The concave portion includes a stepped portion and a hole-shaped portion in addition to the ordinary recessed portion.

[0007]

According to the connector with a cam member of the present invention, when the sliding cam member moves from the preparation position to the completion position, the first surface of the elastic piece and the first surface of the abutting portion are provided. When the elastic pieces are elastically restored, the second surface and the second surface make contact with each other and emit a contact sound. Therefore, the operator who performs the connection work with the mating connector can quickly and surely confirm whether or not the cam member has moved to the completion position by ascertaining whether or not the contact sound is generated. .

Since the elastic piece and the contact portion are provided at the portion located outside the housing, the contact sound is easily propagated and the operator can easily confirm the occurrence of the contact sound. In addition, as the contact sound is generated, the vibration when the first surface of the elastic piece and the second surface of the contact portion contact each other is transmitted to the housing and the cam member. It is also possible to confirm that the cam member has moved to the completion position by feeling with.

[0009]

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

FIG. 1 is an exploded perspective view showing a schematic structure of a connector with a cam member and a mating connector according to an embodiment of the present invention. The illustrated connector 10 includes a female housing 12 having a fitting recess 11 into which a male housing 21 of a mating connector 20 is inserted. Then, on the upper surfaces of the housing 12 and the housing 21 of the mating connector 20,
Insertion port 1 into which known locking members 13 and 22 for preventing the terminals (not shown) inserted into the housings 12 and 21 from coming off are inserted.
4 and 23 are formed.

A slidable cam member 30 is attached to the housing 12 so as to be slidable in the fitting recess 11 in the width direction of the housing 12 (AB direction in the drawing). The cam member 30 includes an upper wall portion 31 and a lower wall portion 32 that are opposed to each other and extend in parallel, and a side wall portion 33 that connects the two.
Two cam grooves 34 are formed in each of the upper wall portion 31 and the lower wall portion 32. Each cam groove 34 is shown in a simplified manner.

On the other hand, at the front end of the housing 21 of the mating connector 20, a driven pin that engages with each cam groove 34 of the cam member 30.
Two 24 are formed at the top and bottom (the lower part is not shown).
At the front end of the housing 21, the driven pins 24
Two guide grooves 15 are formed in the upper and lower portions for guiding the inside of each cam groove 34 of the cam member 30.

2 and 3 are perspective views showing the operation of the cam member 30, and FIG. 2 shows the cam member 30 in the ready position.
FIG. 3 shows the respective states where the cam member 30 has moved to the completion position. FIG. 4 is a sectional view of the main part of the cam member 30,
(A) is a sectional view taken along line IVa-IVa in FIG. 2, and (b) is IVb- in FIG.
Corresponds to a sectional view taken along line IVb.

The cam member 30 is arranged in the preparation position shown in FIG.
It is attached to the housing 12 so as to be slidable in the AB direction in the drawing between the completion position shown in FIG. When the housing 21 of the mating connector 20 is inserted into the fitting recess 11 of the housing 12 to the temporary fitting position when the cam member 30 is at the preparation position shown in FIG. 2, each driven pin 24 of the housing 21 causes the cam member 30 to move.
Can be engaged with the respective cam grooves 34, and by sliding the cam member 30 from that state to the completion position shown in FIG. The cam action between the 34 and the driven pin 24 allows a complete fit with a small force. 2 and 3, since the shape of the cam groove 34 is simplified, the cam groove 34 and the driven pin 24 are not shown so that they can be engaged with each other.

As shown in FIG. 1, the cam member 30 has elasticity that extends in the direction B from the upper end of the side wall 33 and extends above the upper wall 31 substantially parallel to the upper wall 31. The piece 40 is formed integrally with the cam member 30. This elastic piece 40 is formed on a first surface 41 facing upward, a convex portion 42 having an inclined surface 42 a formed at a tip end portion of the first surface 41, and formed behind the first surface 41. And a projected ridge portion 43.

On the other hand, a plate-shaped contact portion 50 extending substantially parallel to the upper surface 12a of the housing 12 is integrally formed with the housing 12 on the upper portion of the housing 12. This contact portion 50 is
A front wall 51 extending upward from the front end of the housing 12, this front wall
Up to three of the four peripheral sides are connected to the housing 12 by a rear wall 52 facing the front wall 51 and a connecting wall 53 connecting the front wall 51 and the rear wall 52. Further, in the central portion of the contact portion 50,
A hole 54 is formed which receives the convex portion 42 formed on the elastic piece 40 of the cam member 30 and engages with the convex portion 42. Furthermore, the contact part 50
In the portion of the housing 12 facing the upper surface 12a of the housing 12,
As shown in FIG. 5, when the convex portion 42 and the hole portion 54 of the elastic piece 40 are engaged with each other, the second surface 55 is formed which abuts the first surface 41 of the elastic piece 40 and emits a contact sound. ing.

Next, the elastic piece 40 of the cam member 30 and the housing
The action of the contact portion 50 of the 12 will be described. When the cam member 30 is slid from the reference position shown in FIG. 2 in the B direction in the figure,
The inclined surface 42a of the convex portion 42 of the elastic piece 40 is the tip of the contact portion 50.
Contact 56. When the cam member 30 is further slid, the elastic piece 40 slides the slanted surface 42a of the convex portion 42 onto the tip portion 56 of the contact portion 50, and at this time, the slanted surface 42a of the convex portion 42 contacts the tip portion of the contact portion 50. It is elastically deformed downward by the force received from 56, and the convex portion 42 rides on the second surface 55. The convex portion 42 is the second
When the cam member 30 is further slid after riding on the surface 55, the convex portion 42 approaches the hole 54 of the contact portion 50 while slidingly contacting the second surface 55. Then, when the cam member 30 moves to the completion position shown in FIG.
Ride over the second surface 55 and are received in the hole 54 of the abutting portion 50 and engage with it. At the time of this engagement, the elastic piece 40 elastically deformed downward is elastically restored to bring the first surface 41 into contact with the second surface 55 of the contact portion 50.

A contact noise is generated when the first surface 41 and the second surface 55 are contacted with each other, and the operator moves the cam member 30 to the completion position due to the contact noise. As a result, it is possible to quickly and surely confirm that the connector 10 and the mating connector 20 are completely connected. The cam member 30 that has moved to the completion position is an elastic piece.
By pressing the ridge portion 43 of the elastic member 40 downward to bend the elastic piece 40 downward, and disengaging the convex portion 42 of the elastic piece 40 and the hole portion 54 of the abutting portion 50, the elastic piece 40 is moved in the A direction. It can be slid back to the ready position, and this movement allows the connectors 10 and 20 in the completely fitted state to be removed.

Next, a second embodiment of the present invention will be described. FIG. 5 is an exploded perspective view of a connector with a cam member according to a second embodiment of the present invention, and FIG. 6 is a sectional view showing a state where an elastic piece of the cam member and an abutting portion of the housing are engaged with each other.

The connector 10A of this embodiment is a cam member 30A.
Only the structure of the elastic piece 40A and the contact portion 50A of the housing 12A is different from that of the first embodiment. The elastic piece 40A of the cam member 30A extends in the direction B in the drawing from the upper end of the side wall portion 33 of the cam member 30A, and extends above the upper wall portion 31 substantially parallel to the upper wall portion 31. The elastic piece 40A has a first surface 41 on the side facing the upper wall portion 31, and a convex portion 42 having a slope 42a protruding downward is formed on the first surface.

On the other hand, the abutting portion 50A of the housing 12A has only a rear end portion thereof through the connecting wall 53 and the upper surface of the housing 12A.
The second embodiment is greatly different from the first embodiment in that it is connected to 12a and is configured to be elastically deformable so as to be largely bent in the vertical direction like the elastic piece 40A of the cam member 30A. As in the first embodiment, the central portion of the contact portion 50A has a hole for receiving the convex portion 42 of the elastic piece 40A and engaging with the convex portion 42.
54 is formed, but the second surface 55 that comes into contact with the first surface of the elastic piece 40A and makes a contact sound at the time of engagement is formed on the upper surface side of the contact portion 50A.

In the first embodiment, the elastic piece 40 enters into the lower side of the contact portion 50, and the convex portion 42 thereof is engaged with the hole 54 from the lower side. As shown in FIG. 6, the elastic piece 40A overlaps the upper side of the contact portion 50A,
42 is formed so as to engage with the hole 54 from above.
The actions of the elastic piece 40A and the contact portion 50A are the same as in the first embodiment, and detailed description thereof will be omitted.

In this embodiment, since the contact portion 50A is elastically deformable, when the first surface 41 of the elastic piece 40A and the second surface 55 of the contact portion 50A contact each other. It has an advantage that a contact noise is easily generated. When releasing the engagement between the elastic piece 40A and the contact portion 50A that are engaged with each other, the elastic piece 40A is pressed downward from above, and both the elastic piece 40A and the contact portion 50A are moved downward. Elastic piece 40
The engagement between the convex portion 42 of A and the hole portion 54 of the contact portion 50A may be disengaged.

Next, a third embodiment of the present invention will be described. FIG. 7 is an exploded perspective view of a connector with a cam member according to a third embodiment of the present invention.

The connector 10B of this embodiment is provided with a cam member 30B.
The elastic piece 40B of the cam member 30B is formed at a position displaced from the upper position of the upper wall portion 31 of the cam member 30B rearward in the drawing, and the abutting portion 50B of the housing 12B corresponds to the elastic piece 40B.
It differs from the first embodiment only in that it is formed at a position displaced from the upper position of the upper surface 12a of 12B toward the rear in the drawing. The operations of the elastic piece 40B and the contact portion 50B are similar to those of the first embodiment, and detailed description thereof will be omitted.

Although the embodiment of the present invention has been described above, the connector with a cam member of the present invention is not limited to the specific mode of the embodiment, and various modifications can be made.

For example, in each of the above-described embodiments, the convex portion is formed on the elastic piece side and the hole portion is formed on the contact portion side. However, the hole portion may be formed on the elastic piece side and the convex portion may be formed on the contact portion side. The hole may be in the shape of an ordinary recess (dent).

Contrary to the mode of the above embodiment, an elastically deformable elastic piece may be formed on the housing side and an abutting portion may be formed on the cam member side.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a connector with a cam member and a mating connector according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a state when the cam member is in a preparation position.

FIG. 3 is a perspective view showing a state when the cam member is at a completion position.

4A is a sectional view taken along line IVa-IVa in FIG.
(B) is a sectional view taken along line IVb-IVb in FIG.

FIG. 5 is an exploded perspective view of a connector with a cam member according to a second embodiment of the present invention.

FIG. 6 is a cross-sectional view showing a state in which an elastic piece and an abutting portion are engaged with each other.

FIG. 7 is an exploded perspective view of a connector with a cam member according to a third embodiment of the present invention.

[Explanation of symbols]

 10, 10A, 10B Connector 12, 12A, 12B Housing 20 Mating connector 21 Mating connector housing 24 Driven pin 30, 30A, 30B Cam member 34 Cam groove 40, 40A, 40B Elastic piece 41 First surface 42 Convex portion 50, 50A, 50B Abutment 54 Hole 55 Second surface

Claims (1)

[Claims] 1. A connector with a cam member capable of completely fitting the housing and the housing of a mating connector by sliding a slide type cam member attached to the housing from a preparation position to a completion position, One of the housing and the cam member has a first surface that is located outside the housing when the cam member moves to the completion position and that extends substantially parallel to the sliding direction of the cam member. And an elastic piece elastically deformable in a direction substantially perpendicular to the sliding direction is provided, and on the other side, an abutting portion having a second surface extending substantially parallel to the sliding direction is provided. And, when the cam member slides from the preparation position to the completion position, the elastic piece is provided on one side of the contact portion while slidingly contacting the other. A convex portion that bends and deforms in a perpendicular direction is provided on the other side, and a concave portion that receives the convex portion and elastically restores the elastic piece when the cam member moves to the completion position is provided on the other side, respectively. The connector with a cam member, wherein the second surface is provided at a position where it abuts the first surface of the restored elastic piece to generate an abutment sound.