JP3258756B2 - Insulated connection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a sealed terminal of a compressor,
The present invention relates to an insulated connection device for connecting terminal fittings of lead wires.

[0002]

2. Description of the Related Art A conventional insulated connection device is provided with a plurality of grooves having accommodating holes through which terminal terminals for lead wires are accommodated and through which sealed terminals (hereinafter referred to as pins) are fitted. Terminal storage body (hereinafter referred to as the body)
And a lid for opening and closing the opening surface of the groove of the main body.

[0003]

However, in such a conventional insulated connection device, there is a device in which a main body and a lid are formed of a thermosetting plastic having poor elasticity. Cannot utilize the elasticity of the lid and cannot be fixed to the body using the step-in method.

For this reason, conventionally, a locking pin or the like has been used to prevent the lid attached to the main body from coming off. However, this increases the number of parts, increases the cost, and requires a lot of trouble in mounting the lid. There was a problem. In addition, in the case where reassembly is possible, there is a problem that it takes time to remove.

SUMMARY OF THE INVENTION An object of the present invention is to provide an insulated connecting device which is easy to assemble and is inexpensive.

[0006]

SUMMARY OF THE INVENTION The present invention is directed to a terminal housing body having a plurality of grooves for accommodating lead metal terminal fittings and having a through hole through which a sealed terminal fitted into the terminal metal fitting is provided. In an insulated connection device including a lid that opens and closes an opening surface of a groove, a locking projection is provided on an inner surface of the lid, and the lid is slid to a main body at an upper edge of the terminal fitting on a lid side. At the time of attachment, the retaining projection is pressed and is restored after passing through the retaining projection to form a retaining elastic piece for retaining the retaining projection.

Further, according to the present invention, the terminal fitting having the retaining elastic piece formed therein is loosely fitted in the groove so that the terminal fitting can be slid in the pull-out direction, while the terminal fitting and the tip of the lid are provided. The lid was fixed by the lead wire of the terminal fitting wired so as to be wound around the terminal fitting, and the lead was wrapped around the tip of the lid, and the lid was allowed to slide with the terminal fitting in the removal direction. Things.

[0008]

According to this structure, when the lid is slid onto the main body, a retaining projection formed on the inner surface of the lid forms a stopper formed on the upper edge of the lid of the terminal fitting housed in the groove of the main body. The elastic piece is pressed, and after passing through the locking projection, the retaining elastic piece is restored and the locking projection can be locked.

The terminal fitting having the retaining elastic piece formed therein is loosely fitted in the groove so that the terminal fitting can be slid in the pull-out direction, and the terminal fitting is wired so as to be wound around the tip of the lid. The lid can be fixed with the lead wire of the terminal fitting. Further, by removing the lead wire wound around the tip of the lid, the lid can be slid together with the terminal fittings in the removal direction.

[0010]

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

FIG. 1 is a perspective view of an insulated connection device according to an embodiment of the present invention, FIG. 2 is a side sectional view thereof, and FIG. 3 is an exploded perspective view thereof.

In FIG. 1, 1 is a main body, 2 is a lid slid along the edge of the opening surface of the groove of the main body 1 and attached to the main body 1, and 3 and 3a are lead wires. Note that terminal fittings 4 are provided at the ends of the lead wires 3 and 3a, as shown in FIG.

The terminal fitting 4 has a space S formed between a rib 1a protruding into a groove 5 formed in the main body 1 and a front wall 5a of the groove 5, as shown in FIG. It is inserted in. The groove 5 is provided with an insertion hole 6 through which a pin (not shown) penetrates.

In this insulated connection device, for example, as shown in FIG. 1, one of right and left, for example, a left lead wire 3 and a central lead wire 3 are provided on the rear surface of the main body 1, and a right lead wire is provided on the front surface. 3a is attached.
Therefore, three grooves 5 are alternately formed in the main body 1 in the front-rear direction.

On the other hand, as shown in FIG.
Upper grooves 7, 7a are formed at positions corresponding to the grooves 5, respectively. Of the upper grooves 7, 7a, a central upper groove 7a protrudes from the upper surface of the terminal fitting 4 and will be described later. A locking projection 8 that is locked by an elastic piece (hereinafter referred to as a retaining piece) is provided.

Further, a rear fitting portion 9 having a fitting hole 9a is formed on the rear surface of the lid 2, and a front projection 10 is formed on the front surface. A rear projection 11 that fits into the fitting hole 9a of the rear fitting portion 9 is provided on the rear surface of the main body 1.
Further, a front fitting portion 12 for fitting the front projection 10 to the front end portion.
Are formed respectively.

When the lid 2 is attached to the main body 1, the lid 2 is slid from the side of the main body 1 in the direction of the arrow shown in FIG.
The front projection 10 of the lid 2 and the front fitting portion 12 of the main body 1 are fitted to each other so that the lid 2 can be attached.

In the figure, reference numeral 13 denotes a terminal fitting for the right lead wire 3a extending in the mounting direction of the lid 2 as shown by the arrow and fixed by the central groove 5 of the main body 1 and the upper upper groove 7a of the lid 2. 4 is a retaining piece formed on the upper edge portion. When the lid 2 is slid and attached, the retaining piece 13 is pressed by the locking projection 8 of the lid 2, and is restored after passing through the locking projection 8 to lock the locking projection 8. Has become.

Since the retaining piece 13 locks the locking projection 8 in this manner, the lid 2 is prevented from sliding in the direction opposite to the arrow, thereby preventing the lid 2 from falling off. I can do it.

When fixing the lid in the insulated connection device thus configured, first, the terminal fittings 4 are alternately fitted into the grooves 5 of the main body 1, and then the lid 2 is inserted into the grooves 5 of the main body 1. Slide in the direction of the arrow shown in FIG. 2 along the opening edge.

Here, when the lid 2 is slid in this manner, the retaining projection 13 of the lid 2 pushes the retaining piece 13 and retreats downward once, and is restored after passing through the retaining projection 8. When the locking projection 8 passes through the retaining piece 13, the lid 2
The rear projection 11 of the main body 1 is inserted into the fitting hole 9a of the rear fitting portion 9.
The front projection 10 of the lid 2 is connected to the front fitting portion 12 of the main body 1.
Respectively.

As a result, the cover 2 is attached to the main body 1 and fixed by the retaining piece 13 of the terminal fitting 4.
Even if the lid 2 tries to slide in the opposite direction, the retaining piece 13
Is locked to the locking projection 8 of the lid 2 so that the lid 2 does not fall off.

After the lid 2 is fixed to the main body 1, the lead wire 3 a of the terminal fitting 4 having the retaining piece 13 protruding from the front surface of the main body 1 is wound around the front end of the lid 2 while being wound around the front end of the lid 2. And bundled together with the lead wires 3 extending from the rear surface of the main body 1 (see FIG. 1).

As described above, the retaining piece 13 is formed on the upper surface of the terminal fitting 4, the lid 2 is slid and attached to the main body 1, and the locking projection 8 formed on the lid 2 is attached to the retaining piece 13. By locking, the lid 2 can be easily fixed to the main body 1.

In the above description, the case where the cover 2 can be easily attached to the main body 1 has been described. Next, the case where the cover 2 can be easily removed will be described.

FIG. 4 is an enlarged side sectional view of an insulated connection device according to another embodiment of the present invention.

In FIG. 4, reference numeral 14 denotes a terminal fitting 4 on which a retaining piece 13 is formed. The terminal fitting 4 is loosely fitted, and the terminal fitting 4 is slidable in a direction in which the lid 2 is removed as indicated by an arrow. This is a main body in which the space S between the front wall 5a and the front wall 5a is widened.

Here, the width of the space S depends on whether the rear fitting portion 9 of the lid 2 is fitted to the rear projection 11 of the main body 1 and the front projection 10 of the lid 2 and the front fitting portion 12 of the main body 1. The terminal fitting 4 can be moved together with the lid 2 by a distance capable of releasing the fitting.

Normally, as described above, the lid 2 is mounted by sliding in the mounting direction, and is fixed by the retaining piece 13 and the lead wire 3a wound around the tip so as not to fall off. ing.

When the lid 2 fixed in the insulated connection device thus constructed is removed, first, the lead wire 3a wound around the tip of the lid 2 is removed, and then the arrow 2 shown in FIG. When the lid 2 is slid in the direction, the terminal fittings 4 are held in a state where the stopper pieces 13 are locked on the locking projections 8 of the lid 2.
Slides with the lid 2.

In accordance with this, as shown in FIG. 5, the lid 2 comprises a rear fitting portion 9 of the lid 2, a rear projection 11 of the main body 1, a front projection 10 of the lid 2, and a front fitting portion 12 of the main body 1. It moves by a distance that can release the engagement with. Thereafter, if the lid 2 is lifted upward, the lid 2 can be easily removed.

As described above, the space S for holding the terminal fitting 4 so that the terminal fitting 4 can slide in the direction in which the lid 2 comes off.
The lid 2 can be easily removed by widening the width of the cover 2.

[0033]

As described above, according to the present invention, the lid can be fixed by the retaining elastic piece formed on the terminal fitting.
It is possible to provide an inexpensive insulated connection device which is easy to assemble and does not use a locking pin or the like. In the case of reassembly, the terminal fitting can be slid in the direction in which the lid comes off, so that the lid can be slid together with the terminal fitting and the lid can be easily removed.

[Brief description of the drawings]

FIG. 1 is a perspective view of an insulated connection device according to one embodiment of the present invention.

FIG. 2 is a side sectional view of the insulated connection device.

FIG. 3 is an exploded perspective view of the insulated connection device.

FIG. 4 is a side sectional view of an insulated connection device according to another embodiment of the present invention.

FIG. 5 is a view showing a state where a lid of the insulated connection device is slid.

[Explanation of symbols]

 1, 14 body 2 lid 4 terminal fitting 8 locking projection 13 retaining elastic piece

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01R 13/42 H01R 13/502

Claims (2)

(57) [Claims] 1. A terminal housing main body including a plurality of grooves having insertion holes through which terminal terminals for lead wires are accommodated and through which a sealed terminal fitted to the terminal fittings penetrates, and a lid for opening and closing an opening surface of the groove of the main body. In the insulated connection device, the locking projection is provided on the inner surface of the lid, and when the lid is slid onto the main body, the locking projection is mounted on the upper edge of the terminal fitting on the lid side. An insulated connection device characterized by forming a retaining elastic piece which is pressed and restored after passing through the locking projection to lock the locking projection. 2. A terminal fitting on which the retaining elastic piece is formed is loosely fitted into the groove so that the terminal fitting can be slid in the pull-out direction, and is wound around the terminal fitting and a tip of the lid. The lid is fixed by the lead wire of the wired terminal fitting, and the lead can be slid in the removal direction together with the terminal fitting by removing the lead wire wound around the tip of the lid. Item 2. The insulated connection device according to Item 1.