JP3240801B2 - Outlet - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outlet having a quick connection terminal.

[0002]

2. Description of the Related Art When an outlet is provided with a quick connection terminal, the outlet is connected to a power source only by inserting an electric wire, thereby simplifying a connection operation. However, whether or not the insertion is complete cannot be determined from the external appearance. If the insertion is incomplete, heat may be generated due to poor contact, which may cause an electrical accident. In particular, such an accident may be caused when the wire is inserted without sufficiently removing the covering material.

For this purpose, a confirmation button is provided, the electric wire is inserted and brought into contact with a terminal plate integrated with the blade receiving spring of the outlet, and the confirmation button is configured to be pushed up by the thickness of the electric wire by the electric wire. Confirm insertion.

[0004]

However, even in the above-mentioned conventional example, the confirmation button may be raised even though the insertion depth of the electric wire is insufficient, which may also cause an accident. .

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a quick connection terminal and to make sure that an electric wire is completely inserted into the quick connection terminal. It is in providing an outlet that can be checked and used safely.

[0006]

According to a first aspect of the present invention, there is provided an outlet having a quick connection terminal for inserting and connecting an electric wire, wherein a lid having an opening corresponding to a plug insertion port is provided on the outlet of the outlet. Formed on the surface, this lid is slidably arranged between the quick connection terminal side and the plug insertion port, and a passive protruding piece is hung below this lid, and this passive protruding piece is inserted into the quick connection terminal. When the electric wire is pushed toward the plug insertion port by being pushed by the tip of the electric wire, the opening of the lid coincides with the plug insertion port.

According to a second aspect of the present invention, in the first aspect of the present invention, a spring receiving portion is provided on the pressed side of the passive projecting piece, and a receiving spring is interposed between the spring receiving section and the passive projecting piece. The feature is that it consists.

[0008] The invention according to claim 3 is the invention according to claim 1 or 2.
In the described invention, a terminal plate having a pair of blade receiving springs is juxtaposed in the outlet main body, and upper and lower ends of the wire insertion port side of both terminal plates are projected outward to form a projecting piece,
A quick-connecting terminal is formed between the upper and lower protruding pieces with a slip-off prevention spring held by its own spring force.

According to a fourth aspect of the present invention, in the third aspect of the present invention, a release rod whose lower end is in contact with the release prevention spring is provided above the release prevention spring, and the upper end of the release rod is protruded from the outlet main body. And a release button that allows the electric wire to be pulled out by pushing down.

[0010]

According to the first aspect of the present invention, a lid having an opening corresponding to the plug insertion port is slidably provided on the surface of the outlet. Then, a passive projecting piece is hung below the lid.

When the electric wire is inserted into the quick connection terminal, it hits the passive protruding piece, and the electric wire pushes the passive protruding piece. For this reason, by fully inserting the wire,
The lid is slid and pushed until the opening of the lid matches the plug insertion opening. Only in such a state can the plug be used after being inserted into the outlet. In the half-inserted state where the plug is not completely inserted, the opening of the lid does not completely match the plug insertion port, and it is impossible to insert the plug again.

Therefore, when the electric wire is inserted into the quick connection terminal, it is possible to judge whether the insertion of the electric wire is complete or incomplete depending on the position of the lid. Safe as possible.

According to a second aspect of the present invention, in the first aspect of the present invention, a spring receiving portion is provided on the outlet main body, and a receiving spring is interposed between the spring receiving portion and the passive projecting piece hanging from the lid. ing. The wire is pulled out, or
When the insertion is incomplete, the passive projection is pushed back by the receiving spring and the lid returns to the original direction, so that the plug cannot be inserted into the outlet.

Therefore, when the electric wire is inserted into the quick connection terminal, it is possible to judge whether the insertion of the electric wire is complete or incomplete based on the position of the lid. This outlet is unsafe and safe.

According to the third aspect of the present invention, a detachment prevention spring which is held by its own spring force is provided between the upper and lower projecting pieces of the terminal plate. Then, the inserted electric wire is held between the release prevention spring and the protruding piece by the spring force of the release prevention spring, and electrical connection is ensured.

According to the fourth aspect of the present invention, the lower end of the release rod is brought into contact with the release prevention spring, and the upper end of the release rod is projected from the outlet main body as a release button. By pressing this release button, the slip-off prevention spring is pushed down, and the electric wire between the slip-off prevention spring and the protruding piece of the terminal plate becomes free, so that the electric wire can be pulled out.

In the state where the electric wire is pulled out,
The release button remains up, so it can be known whether the wire is inserted. Furthermore, by checking the state of the release button and the lid together, it is possible to more reliably determine the insertion state of the electric wire. For example, even if the release button remains down, if the opening of the lid does not completely coincide with the plug insertion hole, the insertion of the electric wire may be incomplete.

[0018]

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

FIG. 2 is a perspective view showing the whole outlet of this embodiment. In FIG. 2, 1 is an outlet main body. 4 is a plug outlet 2 on the surface of this outlet.
The plug insertion opening 2 is covered under the lid 4. The lid 4 is slidably provided in a recess formed on the surface of the outlet,
The surface of the lid 4 and the surface of the outlet are substantially flush with each other. When the lid 4 slides, the plug insertion port 2 and the opening 3 of the lid 4 coincide with each other, so that the plug can be inserted.

Reference numeral 6 denotes an electric wire. The distal end 6a from which the coating material at the distal end is removed is inserted and connected to the electric wire insertion port 5 provided in the outlet, and power is supplied from the electric wire 6 to the outlet.

FIG. 1 is a longitudinal sectional view of the outlet of this embodiment. In this figure, reference numeral 7 denotes a passive projecting piece which is hung below the lid 4.

As shown in the perspective view of FIG. 3, the passive protruding piece 7 is suspended below the lid 4 as an S-shaped plate having a thin tip. In addition, the passive protruding piece 7 is a completely inserted electric wire 6.
The S-shaped distal end of the passive protruding piece 7 abuts against the distal end 6a, and the lid 4 is slid by being pushed in, so that the opening 3 coincides with the plug insertion port 2.

The socket body 1 is provided with a spring receiving portion 8, and a coil spring is provided as a receiving spring 9 between the spring receiving portion 8 and the passive projecting piece 7. Thus, when the electric wire 6 is pulled out or inserted incompletely, the passive projection 7 is pushed back by the receiving spring 8, and the lid 4 returns to the direction of the quick connection terminal. .

FIG. 4 is a perspective view of the terminal plate 10. The terminal plates 10 are arranged side by side in the outlet main body 1 in pairs. A blade receiving spring 11 is provided below the plug insertion opening 2 and is open upward to receive the plug blade. In addition, projecting pieces 12 are formed by projecting the upper and lower ends of both terminal boards 10 on the wire insertion port 5 side outward. Further, a locking spring is provided between the upper and lower protruding pieces 12 as a pull-out prevention spring 13 held by its own spring force to form a quick connection terminal. The distal end 6a of the electric wire 6 inserted from the electric wire insertion port 5 is held between the detachment preventing spring 13 and the protruding piece 12 by the spring force of the detachment preventing spring 13 to secure electrical connection. It is.

FIG. 5 shows this state. As described above, when the electric wire 6 is completely inserted, the plug can be inserted and becomes usable after the electric wire 6 is completely inserted. As 6 is pushed back, the lid 4 slides and again the plug cannot be inserted and cannot be used.

That is, if the electric wire 6 is not completely inserted and an electrical accident such as a poor contact is likely to occur, the plug cannot be inserted, so that it can be used safely.

In FIGS. 1 and 5, reference numeral 14 denotes a release bar. The release rod 14 has a release button 15 at the upper end.
And a horseshoe shape connected by the release button 15. The upper and lower projecting pieces 12 on both sides and the front end 6a of the electric wire 6 are sandwiched and straddled. In addition, the release button 15 is the outlet body 1
More protruding.

When the release button 15 is pressed down, the pull-out prevention spring 13 is also pressed down. Therefore, the electric wire 6 between the stopper spring 13 and the projecting piece 12 of the terminal plate 10
a becomes free, and the electric wire 6 can be pulled out.

In a state where the electric wire 6a is pulled out, the release button 15 remains up, so that the electric wire 6a
It can be known whether or not a is inserted. Further, by checking the state of the release button 15 and the lid 4 together, it is possible to more reliably determine the insertion state of the electric wire 6a. For example, even if the release button 15 remains down, if the opening 3 of the lid 4 does not completely coincide with the plug insertion port 2, the insertion of the electric wire 6a may be incomplete.

[0030]

According to the first aspect of the present invention, it is possible to judge whether the insertion of the electric wire is complete or incomplete, based on the position of the lid when the electric wire is inserted into the quick connection terminal. This outlet is safe to use because it cannot be used if it is incomplete.

According to the second aspect of the present invention, it is possible to judge whether the insertion of the electric wire is complete or incomplete based on the position of the lid when the electric wire is inserted into the quick connection terminal. When in this state, the outlet is unusable and the outlet can be used safely.

According to the third aspect of the present invention, the inserted electric wire is prevented from being detached by the detachment preventing spring and the protruding piece, is held, and electrical connection is secured.

The invention according to claim 4 is characterized in that the release rod
The wires can be withdrawn and reinserted.

Further, whether or not the electric wire is inserted can be known from the position of the release button. further,
By observing the release button and the state of the lid together, it is possible to more reliably determine the state of insertion of the electric wire. For example, even if the release button remains down, if the opening of the lid does not completely match the plug insertion hole, the insertion of the electric wire may be incomplete.

[Brief description of the drawings]

FIG. 1 is a sectional view showing an embodiment of an outlet of the present invention.

FIG. 2 is a perspective view of the embodiment.

FIG. 3 is a perspective view showing a lid of the outlet of the embodiment.

FIG. 4 is a perspective view showing a terminal plate of the outlet of the embodiment.

FIG. 5 is a sectional view showing an electric wire inserted state of the outlet of the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Outlet main body 2 Plug insertion port 3 Opening hole 4 Lid 5 Electric wire insertion port 6 Electric wire 7 Passive protruding piece 8 Spring receiving part 9 Receiving spring 10 Terminal board 11 Blade receiving spring 12 Protruding piece 13 Pull-out prevention spring 14 Release rod 15 Release button

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01R 13/64 H01R 4/48 H01R 13/52

Claims (4)

(57) [Claims] In an outlet having a quick connection terminal for inserting and connecting an electric wire, a lid having an opening corresponding to a plug insertion port is formed on a surface of the outlet, and the lid is provided from the quick connection terminal side to the plug insertion port. Slidably disposed between them, and a passive protruding piece is hung below this lid, and when this passive protruding piece is pushed by the tip of the electric wire inserted into the quick connection terminal and moves toward the plug insertion port, An outlet characterized in that the opening of the lid matches the plug insertion opening. 2. The outlet according to claim 1, wherein a spring receiving portion is provided on a side of the passive protruding piece to be pressed, and a receiving spring is interposed between the spring receiving portion and the passive protruding piece. 3. A terminal plate having a pair of blade receiving springs is juxtaposed in an outlet main body, and upper and lower ends of both terminal plates on a wire insertion port side are projected outward to form a projecting piece. 3. The outlet according to claim 1, wherein a quick-connecting terminal is formed by interposing a pull-out preventing spring held by its own spring force between the upper and lower projecting pieces. 4. A release button whose lower end is in contact with the release prevention spring is provided above the release prevention spring, and an upper end of the release rod is protruded from the outlet main body, and the release prevention spring is pressed down so that the release button can be pulled out. The outlet according to claim 3, characterized in that: