JP2002175846A - Clip for connection, connection structure of the clip and connection terminal of terminal stand - Google Patents

Abstract

PROBLEM TO BE SOLVED: To connect a clip for connection to a connection terminal of a terminal stand in stabilized state at all times. SOLUTION: The clip 11 for connection has tip parts 13 and 23, which are pointed to the connection terminal 105 side, that is a partner material, by being forced always in a closing direction, and base ends 16 and 26, which make these tip part 13 and 23 sides forcedly open in operation. The clip 11 for connection freely forms a conducting contact to a connection terminal 105 with one- sided clip piece 12, which bearing parts 17 and 27 are supported mutually with the bearing, and the other side clip piece 22. The other side clip piece 22 is formed, so that the length of the tip part 23 is made longer than the tip part 13 of the one side clip piece 12, and then it is supported by face-contacting to an outer end face 108 of the terminal stand 101 so that it can be made to support. In this case, as for the tip part 23 of the other side clip piece 22, it is desirable to form a cut part 25 in an open end 23a side for loading out a lead terminal 108 side pulled out from the connection terminal 105 side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connection clip capable of making electrical contact with a connection terminal of a terminal block in a stable contact state, and a connection structure between the clip and the connection terminal of the terminal block. .

[0002]

2. Description of the Related Art FIG. 4 is an explanatory view showing an example of a terminal block such as a breaker for a switchboard or the like. For example, a connection terminal 105 made of a conductive screw is separately provided in each of the three surrounding regions 104 to form a terminal block 101.

FIG. 5 shows a connection cord 1 having a clip 3 connected to the connection terminal 105 shown in FIG.
It is explanatory drawing which shows an example of.

In this case, the clip 3 is attached to the washer 10
6, the leading ends 4a, 6a which are always urged in the closing direction to the connecting terminal 105 side fixing the lead side terminal 107 to the terminal base 101 side, and the leading ends 4a, 6a.
The one side clip piece 4 and the other side clip piece 6 having the base portions 4b, 6b for forcibly opening the side a, and supporting the bearing portions 4c, 6c with each other by the support shaft 8. Is formed.

For this reason, when connecting the clip 3 to the connection terminal 105, the distal ends 4a, 6a can be opened by pressing the base ends 4b, 6b toward each other. In this state, the tip 4
a, 6a are disposed on the connection terminal 105 side, and the pressing force on the base ends 4b, 6b is released to connect the conductive locking pieces 5, 7 to each other. Terminal 105
Can be forcibly hooked or pinched on the side, thereby obtaining an electrical connection state.

[0006]

However, in the case of the above-mentioned conventional clip 3, the connection terminal 105 of the terminal block 101 is formed by screws, for example, as shown in the figure, and its head is slippery. In addition, when the conductive hooking pieces 5 and 7 do not correspond to the shape of the connection terminal 105, a stable connection state cannot be maintained.

SUMMARY OF THE INVENTION In view of the above-mentioned problems of the prior art, the present invention provides a connection clip which can always electrically connect a clip to a connection terminal of a terminal block in a stable state, and a connection clip between the clip and the connection terminal of the terminal block. It is intended to provide a connection structure.

[0008]

SUMMARY OF THE INVENTION The present invention has been made to achieve the above-mentioned object, and the first invention (connection clip) of the invention is always urged in the closing direction and is provided with a mating member. One clip piece and the other clip piece having a tip end directed toward a certain connection terminal side and a base end for forcibly opening the tip end side and having the shaft portions mutually supported by the shaft. A connection clip formed so that conductive contact with the connection terminal can be freely formed, wherein the other-side clip piece is formed such that a length of a tip portion thereof is longer than a tip portion of the one-side clip piece. There is a feature in doing. In this case, it is preferable that a cutout portion for leading out the lead terminal side drawn out from the connection terminal side is provided at the open end side of the distal end portion of the other side clip piece.

In a second aspect of the present invention (connection structure), a terminal block having one or more connection terminals disposed at one end thereof is connected to one of the connection terminals of the terminal block. The one-side clip piece is provided with the connection clip described in 1 or 2, wherein the one-side clip piece has the distal end located at a position located on the back side when viewed from the outer end face side of the one-side end with respect to the connection terminal. The other clip piece is disposed such that the inner surface of the distal end portion is in contact with the outer end face, the distal end portion of the other clip piece is fixed, and the distal end portion of the one clip piece is connected. By fixing the position as the pressure contact side to the terminal, it is characterized in that the clip terminal is brought into electrical contact with the connection terminal via at least the conductive contact portion provided at the distal end portion of the other side clip piece.

[0010]

FIG. 1 is an explanatory view showing an example of a connecting clip according to the present invention, in which (a) shows a state when not used and (b) shows a state when used. Show.

According to FIG. 1, the entirety of the connection clip 11 attached to one end 2 of the connection cord 1 is always urged in the closing direction by a spring material (not shown) such as a torsion coil spring interposed. The connection terminal 10 of FIG.
The tip portions 13 and 23 directed to the side 5 and the tip portion 1
A base end portion 16 for forcibly opening the sides 3 and 23;
The one-side clip piece 12 and the other-side clip piece 22 which have the bearing portions 17 and 27 and which are supported by the support shaft 32 via the support shaft 32 are formed so as to freely make conductive contact with the connection terminal 105.

That is, the one-side clip piece 12 has a conductive contact portion 15 protruding from the inner surface 14 of the tip portion 13 toward the tip portion 23 of the other-side clip piece 22.
The conductive contact portion 15 is guided toward the base end portion 16 and is electrically connected to one end 2 of the connection cord 1.

On the other hand, the other clip piece 22 is
The side is an opening / closing operation lever 26a, and the length of the distal end portion 23 is longer than the length of the distal end portion 13 of the one-side clip piece 12 by a required length.

For this reason, when not in use, the distal end portion 23 of the other clip piece 22 is pressed against the distal end portion 13 of the one clip piece 12 with its open end 23a protruding. It will be closed as shown in FIG.

When used, the proximal end 26 of the other clip 22 is pressed against the proximal end 16 of the one clip 12 as an opening / closing operation lever 26a, so that the biasing force of the spring material is increased. 1B can be opened as shown in FIG. 1B.

FIG. 2 shows a front end portion 13 of one side clip piece 12.
FIG. 4 is an enlarged perspective view of an example of a main part of an example of a leading end portion 23 of the other side clip piece 22.
The other side clip piece 22
It is disposed on the inner side surface 14 side of the distal end portion 13 in a state where it protrudes toward the distal end portion 23. A notch 25 is formed in the distal end portion 23 of the other side clip piece 22 by cutting a central portion in a groove shape from the open end 23a side, and the notch 25 is connected to the connection terminal 105 side. The lead-side terminal 107 drawn out of the terminal can be smoothly led out.

The shape of the contact end 15a of the conductive contact portion 15 disposed at the tip end portion 13 of the one-side clip piece 12 is not limited to the illustrated example, and the contact portion 15a surely comes into contact with the contact portion on the contact terminal 105 side. As long as it can be made, a shape having an appropriate shape such as a tongue piece shape or a curved shape can be adopted. Note that the contact end 15a of the conductive contact portion 15 can be formed by imparting elasticity that allows elastic deformation.

The shape of the notch 25 provided at the distal end 23 of the other clip piece 22 is also formed by cutting out approximately half of the width of the distal end 23 from the open end 23a side. be able to. Further, depending on the position of the lead-side terminal 107, the notch 25 may not be provided at the distal end portion 23 of the one-side clip piece 22.

Further, the one-side clip piece 12 and the other-side clip piece 22 maintain a parallel state in which the inner side surfaces 14, 24 are appropriately spaced from each other depending on the degree of opening of the respective tip portions 13, 23. It is desirable that the bearings 17 and 27 be provided with a possible shape.

Next, the connection structure between the clip and the connection terminal of the terminal block according to the present invention will be described together with the operation of the connection clip 11 described above.

That is, the connection structure will be described by taking the terminal block 101 of the breaker for a switchboard shown in FIG. 4 as an example. A clip for connecting to at least one of the connection terminals 105 formed by screws fixing the lead-side terminal 107 to the terminal block 101 via the washer 106 in each of the three defined surrounding areas 104. 11 are connected, for example, as shown in FIG.

This will be described in more detail.
The one side clip piece 12 and the other side clip piece 22 that constitute 1 press one base end 26 against the other base end 16 against the urging force of the spring material. Fig. 1
As shown in (b), the tip 23 can be operated in the opening direction in relation to the tip 13.

In this state, the one-side clip piece 12 is
The distal end portion 13 is disposed in a surrounding area 104 located in a direction to go straight to the top surface of the predetermined connection terminal 105 and on the back side when viewed from the outer end surface 108 side of the one end portion 102, and to the other side. The clip piece 22 is arranged such that the inner side surface 24 of the distal end portion 23 on the side of the open end 23a contacts the outer end surface 108.

Thereafter, the tip 2 of the other side clip piece 22 is
3 is a fixed side, the tip 13 of the one side clip piece 12 is a pressure contact side with the connection terminal 105, and the other side clip piece 2
By releasing the pressing force on the base end portion 26 of the second, the connection clip 11 can be fixed to the connection terminal 105 side by the clamping force generated between the front end portions 13 and 23.

For this reason, the tip 2 of the other side clip piece 22
3 and the tip 13 of the one-side clip piece 12 has a conductive contact portion 15 that The contact end 15a can be pressed against the connection terminal 105 side.

Therefore, the clip 11 is connected to the terminal block 101 including the connection terminal 105 via the distal ends 13 and 23 thereof.
The connection terminal 105 and the conductive contact portion 15 are brought into contact with each other while being stably supported on the side, so that an electrical contact and conduction state can be secured.

When the notch 25 is formed at the tip 23 of the other clip piece 22, the contact end 15 of the conductive contact portion 15 of the tip 13 of the one clip piece 12 is formed.
When a is pressed against the connection terminal 105, the lead-side terminal 107 fixed to the connection terminal 105 can be smoothly led out.

Further, after the measurement is completed, the base end 26 of the other clip 22 is simply pressed against the base 16 of the one clip 22 against the urging force of the spring material. As a result, the contact end 15 of the contact conducting portion 15
The connection clip 11 can be detached while a is separated from the contact terminal 105.

The connection structure between the clip and the connection terminal of the terminal block according to the present invention is not limited to the arrangement example shown in FIG.
While corresponding to the arrangement position of 05 and its specific shape,
The tip 23 of the other clip piece 22 may be in contact with the corresponding outer end face, and the conductive contact portion side of the tip 13 of the one clip piece 12 may be pressed against the connection terminal 105.

[0030]

As described above, according to the present invention, the connecting clip is formed such that the tip of the other clip is longer than the tip of the one clip. With the tip of the other clip piece in surface contact with one end of the terminal block, the conductive contact portion of the tip of the one clip piece is pressed into contact with the connection terminal. It can be stably supported on the table side.

In particular, when a notch is formed at the tip of the other clip piece, when the tip of the one clip piece is pressed against the connection terminal, it is fixed to the connection terminal. Lead terminals can be led out smoothly, so that not only can workability be improved,
The connection clip and the connection terminal can be connected in a more preferable state.

[Brief description of the drawings]

FIG. 1A shows a closed state of a connection clip according to the present invention.
FIG. 3 is an explanatory view illustrating an open state as (b).

FIG. 2 is an enlarged perspective view of a main part showing a distal end portion of the connection clip shown in FIG. 1;

FIG. 3 is an explanatory view showing an example of a connection structure according to the present invention, with a part cut away.

FIG. 4 is an explanatory diagram showing an example of a terminal block of a commonly used breaker for a switchboard.

FIG. 5 is an explanatory view showing a connection example of the connection terminal shown in FIG. 4 and a conventional connection clip with a part cut away.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connection cord 2 One end 3 Connection clip 4 One side clip piece 4a Tip part 4b Base end part 4c Bearing part 5 Conductive latching piece 6 Other side clip piece 6a Tip part 6b Base end part 6c Bearing part 7 Conductive latching Piece 8 support shaft 11 connection clip 12 one-side clip piece 13 tip 14 inner surface 15 conductive contact portion 15a contact end 16 base end 17 bearing 22 other side clip piece 23 tip 23a open end 24 inner side 25 notch 26 Base end 26a Operation lever 27 Bearing 32 Support shaft 101 Terminal block 102 One end 103 Wall 104 Surrounding area 105 Connection terminal 106 Washer 107 Lead terminal 108 Outer end surface

Claims (3)

[Claims] 1. A shaft having a distal end which is always urged in the closing direction and is directed toward a connection terminal which is a mating member, and a base end for forcibly opening the distal end side. In a connection clip in which electrical connection to the connection terminal is freely formed by the one clip piece and the other clip piece on which the parts are pivotally supported, the other clip piece has a tip portion. A connection clip, wherein a length of the clip is longer than a tip of the one-side clip piece. 2. The open end of the other end of the clip piece for providing a lead terminal side drawn out from the connection terminal side is provided at the open end side. The connecting clip described. 3. The connection clip according to claim 1, wherein one or more connection terminals are provided at one end, and the connection clip according to claim 1 or 2 is connected to one of the connection terminals of the terminal block. The one-side clip piece is disposed at a position located on the far side when viewed from the outer end face side of the one-side end with respect to the connection terminal, and the other side clip piece is the outer end face. And the inner side surface of the tip is abutted, and the tip of the other clip is fixed and the tip of the one clip is pressed against the connection terminal. A connection structure between the connection clip and the connection terminal of the terminal block, wherein the connection terminal is electrically contacted with the connection terminal via at least a conductive contact portion provided at the distal end portion of the other side clip piece.