JPH0753256Y2 - Movable connector with safety mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a movable connector with a safety mechanism, more specifically, a safety mechanism for connecting or disconnecting an electric circuit of a device that moves relatively. With movable connector.

[Background of the Invention] For connection of electric circuits between devices that can be moved relative to each other, for example, a portable car radio is connected to an electric circuit of a vehicle body, or a movable part such as a copying machine or a vending machine is connected. It is necessary to make an electrical connection with the fixed part.

Furthermore, with the industrialization of various industrial equipment into robots, that is, the development of mechatronics and robot systems, it has become common to electrically couple relatively moving equipment.

As a movable connector to answer these requests,
When connecting the equipment on the moving side to the equipment on the fixed side, the dimensional tolerances that are unavoidable in the manufacture of both connectors have a great influence on the mutual contact of the connectors, resulting in electrical connection between the equipment. Not a lot of trouble.

In consideration of various conventional problems in electrical connection between devices of this type, the inventor of the present application accurately connects the devices regardless of the dimensional tolerance of the electrical connection portion of the relatively moving devices. Movable type connector (Patent application 1991
No. 271483) was developed.

The invention of the above-mentioned application has an excellent effect as a movable connector that can easily attach and detach the connector in electrical connection of relatively moving devices and can reliably maintain the connected state. is there.

By the way, the movable connector of the above-mentioned patent application is composed of a fixed frame to be attached to the first device, a fixed side connector to be incorporated in this fixed frame, and a movable side connector to be attached to the movable device. The two are fitted together by moving toward each other.

However, in this movable connector, even if a force other than the movement of the movable side connector is applied to the fixed side connector incorporated in the fixed frame, the fixed side connector occupies the position fixed to the frame member. is there.

In view of the above problems, the present invention aims to provide a movable connector provided with a safety mechanism that does not move the fixed connector to the fixed position of the frame member in operations other than the movable connector. And

DETAILED DESCRIPTION OF THE INVENTION A preferred embodiment of a movable connector with a safety mechanism of the present invention will be described in detail with reference to the drawings. As shown in FIG. 1, a movable connector with a safety mechanism according to the present invention comprises a frame member 10 made of synthetic resin fixed to a side wall of a fixed side device, a fixed side connector 12 incorporated in the frame member 10, and a movable side. It consists of a movable connector 14 which is attached to the board of the device.

The frame member 10 is provided with a flange portion 20 that comes into contact with a side wall (not shown) of the stationary device, and the flange portion 20 is formed with a mounting hole 22 for fixing to the device. A pair of upper and lower arm portions 24 projecting from both ends of one surface of the flange portion 20 are cantilevered integrally with the flange portion 20 and extend. Due to the material of the arm 24, it can move slightly about its longitudinal axis. That is, it has "springiness".

A protrusion 26 is formed at the tip of the arm 24 so as to vertically oppose each other and form a substantially triangular shape from the front to the rear.

A notch 100, which is parallel to the end face of the arm portion 24 and extends from the outer side to the inner side of the protrusion 26 and is slightly narrower than the width W of the protrusion 26, is formed at the base of the front slope of the protrusion 26. I am doing it. (FIGS. 2 and 3).

The flange portion 20 is also provided with a pair of guide plates 28 of the fixed side connector 12 extending from both ends thereof. This guide board
A guide groove 30 is formed on the inner surface of 28 in the longitudinal direction.

Next, the fixed side connector 12 is a component to be inserted into the space of the frame member 10, and is shown as a socket connector in the embodiment shown in FIG. 4, and the socket body 40 is located at the center, and the side wall of the body 40 is provided on both sides thereof. An L-shaped arm member 42 is integrally formed with the main body 40 so as to extend at a distance.
A protrusion 44 is formed on the upper surface of the.

For convenience of inserting the socket body 40 into the frame member 10, the outer surface of the arm member 42 is provided with a protrusion 46 that fits into the guide groove 30 of the guide plate 28 of the frame member 10. Also arm member
The end portion of 42 is formed into a locking portion 48 protruding in the vertical direction, and when the socket body 12 is inserted into the frame member 10, the arm member 42
The protruding locking portion 48 hits the notch 100 at the front end of the protrusion 26 of the arm portion 24 of the frame member 10 and cannot move any further, and stops.

As shown in FIG. 5, the movable side connector 14 has a flange portion 50 attached to a substrate (not shown) of the movable side device.
And conductors for electrical contact, such as pin contacts 52
And a casing 54 that surrounds the end of the. The flange portion 50 is provided with a mounting hole 56 for fixing to the device.

The casing 54 of the movable side connector 14 is fitted into the socket body 12 partially inserted in the frame member 10 according to the movement of the movable device, and the arm member 42 of the socket body 12 is fitted.
The projecting locking portion 48 hits against the notch 100 at the front end of the protrusion 26 of the arm portion 24 of the frame member 10 and is latched, and the socket body 12 is prevented from advancing further toward the frame member 10. The state is released and the socket body 12 is housed in the frame member 10.

Therefore, an escape groove 58 for the protrusion 44 on the upper surface of the socket body 40 is formed on the upper wall of the casing 54, and a plate member 60 is extended above the flange portion 50 on the upper portion thereof. Sixth
As shown in the figure, the free end of the plate member 60 is formed with a locking projection 62 which engages with the projection 44 on the upper surface of the socket body 40 to maintain the movable side connector 14 in the insertion position. is there.

Further, with the movement of the movable side connector 14 in the insertion direction, the locking relationship between the protruding locking portion 48 of the arm member 42 of the socket body 12 and the notch 100 of the protrusion 26 of the arm portion 24 of the frame member 10 is released. For this reason, cam-shaped projecting edges 200 are formed on both side walls of the casing 54 of the movable-side connector 14 to push the upper and lower arm portions 24 of the frame member 10 outward.

As the movable side connector 14 advances, the cam-shaped protruding edge 200 comes into contact with the inside of the upper surface of the protruding portion 26 of the arm portion 24 of the frame member 10, that is, the upper surface of the protruding portion 26 in which the notch 100 is not formed, and the arm Push the part 24 outward to open the socket body 12
Can be moved forward with respect to the frame member 10.

6 to 8 explain the order of the operation of fitting the respective parts of the movable connector with a safety mechanism of the present invention described in detail above.

As shown in FIG. 6, the fixed side connector 12 is assembled in the frame member 10 before the fixed side connector 12 and the movable side connector 14 are coupled. To install it, the frame member 10
By slightly expanding the guide plate 28 of the outside, the protruding portion of the L-shaped arm member 42 of the socket body 40 of the fixed-side connector 12
The 46 can be easily inserted into the guide groove 30 on the inner surface of the guide plate 28, and the socket body 40 can be pushed into the frame member 10. At the pushed-in position, the notch 100 of the protrusion 26 formed at the upper and lower ends of the arm 24 of the frame member 10
The inner end of the protruding locking portion 48 of the L-shaped arm member 42 of the fixed-side connector 12 comes into contact with this, and maintains the position shown in FIG.

In the above state (FIG. 6), the movable side connector 14 is moved toward the fixed side connector 12. Then, first, the movable side connector 14 is completely fitted to the fixed side connector 12, and the locking projection 62 of the plate member 60 is engaged with the locking projection 44, as shown in FIG. When an inward force is further applied to the movable side connector 14, the protruding locking portion 48 of the L-shaped arm member 42 of the fixed side connector 12 is applied.
By this, the arm portion 24 of the frame member 10 accommodating the fixed connector 12 is pushed outward and the cam-shaped projecting edge 200 extending vertically from both side walls of the casing 54 of the movable connector 14 is formed by the frame member. The protruding portion 26 of the arm portion 24 of 10 is further pushed open to release the engagement between the protruding locking portion 48 of the fixed-side connector 12 and the notch 100 of the protruding portion 26. Therefore, the protruding locking portion 48 of the fixed-side connector 12 is connected to the arm portion 24 of the frame member 10.
Further, it moves beyond the protruding portion 26 into the frame member 10, and the protruding locking portion 48 engages with the protruding portion 26 so that the protruding locking portion 48 can be accurately fitted in the position shown in FIG.

Further, when detaching the movable side connector 14 from the fixed side connector 12, it is sufficient to simply pull out the movable side connector 14.

[Effects of the Invention] As can be understood from the above-described details, the movable connector with a safety mechanism according to the present invention has a structure in which the fixed side connector 12 is attached to the frame member 10 and the fixed side connector 12 is For this reason, even if a force for advancing toward the frame member 10 is applied, the fixed-side connector 12 has the notch 100 provided in the protrusion 26 of the arm portion 24 of the frame member 10 and the arm member 42 of the fixed-side connector 12.
It is fixed in place by engaging with the protruding locking part 48 of
It is safe without moving.

In other words, the movable connector 14 is correctly
The fixed state of the fixed side connector 12 with respect to the frame member 10 is released by moving the fixed side connector 12 so that the safe and reliable fitting is performed.

[Brief description of drawings]

FIG. 1 is a perspective view of a frame member which constitutes the movable connector with a safety mechanism of the present invention, FIG. 2 is a partial sectional view showing a protrusion and a notch provided on the arm portion, and FIG. 3 is a front view of the same. FIG. 4 is a perspective view of a fixed side connector, FIG. 5 is a perspective view of a movable side connector, and FIGS. 6 to 8 are side sectional views for explaining fitting of respective parts. The main reference numerals in the figure are listed below. 10 …… Frame member 12 …… Fixed side connector 14 …… Movable side connector 24 …… Arm part 26 …… Projection part 28 …… Guide plate 30 …… Guide groove 40 …… Socket body 42 …… L-shaped arm member 44 …… (40) Projection on the upper surface 46 …… Projection that fits with (30) 48 …… Projection locking section 52 …… Conductor (pin contact) 54 …… Casing 100 …… Projection (26) Notch 200 …… Cam-shaped tongue on both side walls of the casing (54)

Claims (1)

[Scope of utility model registration request] 1. A frame member (10) fixed to a first device, a fixed side connector (12) incorporated in the frame member (10), and a movable side connector (14) attached to a second device. A flange portion (20) for attaching the frame member (10) to the first device, and a pair of upper and lower elastic arm portions (24) extending from both ends of the flange portion (20)
And a guide plate (28) extending from both ends of the flange portion (20), a protrusion (26) is provided at the free end of the arm portion (24), and the guide plate (28) is provided on the inner surface of the guide plate (28). A body (40) for accommodating a plurality of first electrical connection conductors for providing the guide groove (30) and the fixed connector (12).
And an arm member (42) extending to both sides of the body (40), and a protrusion (46) fitted into the guide groove is provided on an outer side surface of the arm member (42). The free end of (42) is provided with a locking portion (48) protruding in the vertical direction,
A casing (5) for accommodating a flange portion (50) for attaching the movable side connector (14) to the second device and a plurality of second conductors for electrically connecting to the first conductor.
4) and that the notch (10) is formed in the front base of the protrusion (26) of the arm (24) of the frame member (10).
0) is provided so as to engage with the engaging portion (48) of the arm member (42) of the fixed side connector (12), and the upper and lower sides of the casing (54) of the movable side connector (14) A movable connector with a safety mechanism, which is provided with a cam-shaped protruding edge (200) extending to the.