JPH0527972U - Round crimp terminal compatible terminal block - Google Patents

Abstract

(57) [Abstract] [Purpose] A gap that is always open is provided between the terminal piece of the terminal block 1 and the tip of the terminal screw. The purpose is to tighten round crimp terminals. [Structure] Vertical grooves 3 and 3 are provided on opposing surfaces of separators 2 and 2 of a terminal block 1, a terminal screw 12 is engaged, and a spring 20 is elastically held so as to always rise with respect to a terminal piece 21. The protrusions 11 and 11 of the square washer 10 are engaged with the vertical groove to move the square washer 10 and the terminal screw 12 up and down, so that a round shape is formed between the terminal piece 21 of the terminal block 1 and the square washer 10. The structure of the terminal block is such that the crimp terminal 14 is interposed.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention is an L-shaped projection so that a terminal washer can be lifted up by a spring on a square washer that is installed so that it can be screwed onto a terminal block of a terminal block and has a built-in terminal screw attached. When the terminal screw is loosened by making a part and pushing up this protrusion with the spring, the terminal screw separates from the terminal piece of the terminal block, and the cover with a hole stops the square washer. Do not fall from the table. In this state, a round crimp terminal can be easily inserted and the terminal block can be easily tightened with a screwdriver.

[0002]

[Prior Art]

 In the conventional terminal block, the terminal mounting piece is fixed to the terminal block, the terminal screw is screwed to the terminal mounting piece with a washer, and the terminal piece corresponding to the tip of the terminal screw is mounted on the terminal block. In many cases, it is fixed and a round crimp terminal or the like is sandwiched between the terminal piece and the terminal screw. The gap between the tip of the terminal screw for sandwiching such a round crimp terminal or the like and the terminal piece cannot be formed unless the terminal screw is fully returned and rotated.

Further, when the round crimp terminal or the like is not sandwiched, the terminal screw is loosened and separated from the terminal block unless the terminal screw is tightened and placed. Therefore, always tighten the terminal screws, and when sandwiching a round crimp terminal, etc. between the terminal screw and the terminal piece, turn the many terminal screws with a screwdriver each time and then return with the screwdriver. Since the screw had to be tightened, there was a drawback that workability was poor.

[0004]

[Problems to be solved by the device]

 The present invention can always connect the round crimp terminal to the terminal strip by opening the terminal strip and the terminal screw of the terminal block so that the terminal can be inserted between the round crimp terminal and the terminal strip and the terminal screw. , Press the terminal screw with a screwdriver, crimp the terminal screw to the round crimp terminal, turn the screwdriver, and screw the terminal screw to the female screw of the terminal piece. When removing the round crimp terminal, fit the screwdriver into the groove of the head of the terminal screw and turn the screwdriver in reverse to separate the terminal screw from the terminal piece. The purpose is to provide a terminal block in which when the screwdriver is removed from the terminal screw, the terminal screw rises along with the square washer and remains there.

[0005]

[Means for Solving the Problems]

 Longitudinal grooves 3 and 3 are provided on opposing surfaces of the plurality of separators 2 and 2 which are juxtaposed in parallel with the terminal block 1, and projections which are fitted on the opposite longitudinal grooves 3 and 3 on both sides of the square washer 10. The parts 11 and 11 are provided, the terminal screw 12 is attached to the square washer 10, and even if the screw is fitted to the terminal screw 12 and pushed down, the square washer 10 is pushed down straight without falling, and the terminal block Make sure that the terminal screw 12 is fastened to the first terminal piece 21 in a stable manner.

A spring 20 is elastically mounted between the terminal block 1 and the square washer 10, and the square washer 10 is supported so as to always rise, and the tip of the terminal screw 12 attached to the square washer 10 and the terminal block 1 are attached to the terminal block 1. A gap is provided between the fixed terminal piece 21.

An L-shaped protrusion 13 is provided on the square washer 10, and a spring 20 that engages with the L-shaped protrusion 13 and pushes it up is attached to the terminal block 1.

[0008]

[Action]

 The terminal screws of the square washer 10 are provided by providing the vertical grooves 3 and 3 on the opposing surfaces of the separators 2 and 2 of the terminal block 1 and engaging the protrusions 11 and 11 of the square washer 10 with the vertical grooves, respectively. When the screwdriver is fitted to 12 and pushed down, the square washer 10 is lowered without dancing or falling down, and the terminal screw 12 is accurately joined and screwed to the screw of the terminal piece 21 of the terminal block 1. You can

Further, the top of the spring 20 housed in the hole 4 of the terminal block 1 is pressed and held by the tip of the L-shaped projection 13 of the square washer 10, and the tip of each terminal screw 12 and each terminal piece. A gap is always formed between the terminal screw 12 and the terminal piece 12, and the ring of the tip portion of the round crimp terminal 14 is inserted between the tip portion of the terminal screw 12 and the terminal piece 21, and the terminal screw 12 is screwed with a screwdriver. The push-down terminal screw 12 can be screwed onto the terminal piece 21 against the elasticity of 20. In addition, the terminal screw 12 is stopped at a fixed position on the cover covered with the terminal block 1, or a sealing portion is provided at the upper ends of the vertical grooves 3 and 3 so that the projections 11 and 11 of the square washer are sealed. It is locked at.

[0010]

【Example】

 Separators 2, 2 and 2-are provided in parallel on both sides of the mounting base 22 of the terminal piece 21 of the terminal base 1 formed of synthetic resin with a required space in between. , 2 --- on both sides of which vertical grooves 3 and 3 are provided, and protrusions 11 and 11 are provided on both sides of the square washer 10, and the protrusions 11 and 11 are provided on opposite sides of the separators 2 and 2. The rectangular washer 10 is fitted in the vertical grooves 3 and 3, respectively, so that the square washer 10 can be freely moved up and down. A hole 12a for inserting and locking the neck of the terminal screw 12 is formed in the center of the square washer 10, and the terminal screw 12 is screwed and locked in this hole. Further, a sealing portion is formed and placed on the upper ends of the vertical grooves 3, 3.

An L-shaped projection 13 is provided on the back surface of the square washer 10 and a spring is provided on the back surface of the mounting base 22 of the terminal block 1 at a position corresponding to the L-shaped projection 13 of the square washer 10. A spring hole 23 for accommodating 20 is provided, the square washer 10 is engaged with the vertical grooves 3 and 3 and is lowered, and the tip of the L-shaped projection 13 of the square washer 10 is inserted into the space of the spring 20, The rectangular washer 10 is pushed down together with the L-shaped protrusion 13 by engaging the spring 20 with the step 13a of the L-shaped protrusion 13.

In order to actually push down the square washer 10, a driver (not shown) is fitted into the groove of the head of the terminal screw 12, and the terminal screw 12 is pushed down by the driver to compress the spring 20 and at the same time The tip portion of the screw 12 is screwed into the terminal piece 21 through the round crimp terminal 14 to which the lead wire 14a mounted on the terminal piece 21 is attached, and the round crimp terminal 14 is inserted between the square washer 10 and the terminal piece 21. Is to be crimped. With this, the round crimp terminal 14 and the terminal piece 21 are electrically connected.

When removing the round crimp terminal 14 from the terminal piece 21 and when handling the terminal block 1 as a single unit, fit the screwdriver on the head of the terminal screw 12, and turn the screwdriver in the opposite direction to turn the terminal screw 12 on. Remove from the terminal piece 21. Then, the restoring force of the spring 20 acts to push up the square washer 10. Therefore, the projections 11 and 11 of the square washer 10 are guided by the vertical grooves 3 and 3 of the separators 2 and 2 and ascend with the terminal screw 12 and are locked by the cover (Fig. 11), and the lower end of the terminal screw 12 is engaged. Since a gap is formed between the terminal piece 21 and the terminal piece 21 and the state is maintained, the terminal screw 12 is turned each time the round crimp terminal 14 is connected to the terminal piece 21, and the terminal screw 12 and the terminal piece 21 are connected. The workability is good because it eliminates the need to provide a gap between the and.

The square washer 10 rises between the vertical grooves 3 and 3 of the separators 2 and 2 as long as the spring 20 is operating, and when the spring 20 stops acting, the square washer 10 stops at that position. When the terminal block 1 is turned upside down, since the upper ends of the vertical grooves 3 and 3 are opened upward, the square washer 10 falls apart from the vertical grooves 3 and 3 with the terminal screw 12 still attached. In order to eliminate this phenomenon, the upper surface of the terminal block 1 is covered with the insulating cover 30, the elastic U-shaped edges 31 and 31 of the cover are made elastic so that they can be attached and detached, and the upper part of the separators 2 and 2 are mounted. Notches 2a and 2a are provided on the front surface and the back surface, respectively, and the elastic U-shaped edges 31 and 31 of the cover 30 are engaged with these notches. There are round holes 33, 33 --- for exposing the terminal screw 12 in the flat portion 32 of the cover 30, and cylindrical folds 34, 34 --- on the inner edge of the round holes 33, 33 ---. Is provided, and the upper end of the square washer 10 is pressed by the tip of these folded parts.

In order to improve the electromechanical connection between the round crimp terminal 14 and thus the terminal screw 12 and the terminal piece 21, the bent claw portions 20a, 20b, 20c, 20d are stamped on the four corners of the square washer 20. The round crimp terminal 14 is surrounded by these claws, the terminal screw 12 is screwed to the terminal piece 21, and the round crimp terminal 14 is connected to the terminal piece 21 and the square washer 10 by the claws and the terminal piece 21. They are fixed together in between.

[0016]

[Effect of the device]

 As described above, according to the present invention, by providing the vertical grooves 3 and 3 on the opposing surfaces of the separators 2 and 2 of the terminal block 1, the protrusions 11 and 11 of the square washer 10 are engaged with the vertical grooves 3 and 3, respectively. The square washer 10 can be smoothly moved up and down. In addition, an L-shaped protrusion 13 is provided on the other side of the square washer 11, and the tip end 14 of the L-shaped protrusion 13 is elastically held so as to be pushed down by the spring 20 embedded in the terminal block 1. 11 is constantly raised to form a gap between the tip of the terminal screw 12 and the surface of the terminal piece 21 attached to the terminal block 1, and the terminal screw 12 can be stably tightened. Therefore, the terminal block 1 and the round crimp terminal 14 can be assembled quickly and easily.

[Brief description of drawings]

FIG. 1 is a perspective view in which a terminal block, a square washer, and a round crimp terminal are disassembled and a part thereof is omitted.

FIG. 2 is a plan view showing a state where a terminal screw is attached to a square washer.

FIG. 3 is a right side view of FIG.

FIG. 4 is a front view.

FIG. 5 is an enlarged plan view of a square washer.

FIG. 6 is an enlarged side view of the same as above.

FIG. 7 is a plan view of the terminal block in which a part of the terminal block and the cover are fixed.

FIG. 8 is a front view of the same.

FIG. 9 is a side view of the same.

FIG. 10 is an enlarged plan view of an assembled state of the separator and the square washer.

FIG. 11 is an explanatory diagram showing a relationship between a cover and a square washer.

FIG. 12 is an enlarged explanatory view showing an assembled state of the cover and the terminal block.

[Explanation of symbols]

 1 Terminal Block 2, 2 Separator 3, 3 Vertical Groove 10 Square Washer 11, 11 Protrusion 12 Terminal Screw 13 L-Shaped Protrusion 13a L Tip of the L-Shaped Protrusion 20 Spring 21 Terminal Piece

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] August 2, 1991

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 1

[Correction method] Change

[Correction content]

[Figure 1]

[Procedure Amendment 2]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 5

[Correction method] Change

[Correction content]

[Figure 5]

Claims (3)

[Scope of utility model registration request] 1. Vertical grooves 3, 3 are provided respectively on the inner surfaces facing each other, and are fitted in a plurality of separators 2, 2 protruding in parallel with the terminal block 1 and the vertical grooves 3, 3 facing each other. Terminal screws 12 that are rotatably attached so as to face the protrusions 11 and 11 and the terminal piece 21 attached to the terminal block 1 so as to be screwed into
And a terminal washer 12 and a rectangular washer. A terminal block corresponding to a round crimp terminal, characterized in that a round crimp terminal is tightened between the terminal crimp terminal 10 and the terminal screw 12, and the terminal screw 12 is screwed to the terminal piece 21. 2. A tip of a terminal screw 12 attached to the square washer 10 by mounting a spring 20 between the terminal block 1 and the square washer 10 and supporting the square washer 10 so as to always rise and the terminal block 1. The terminal block corresponding to a round crimp terminal according to claim 1, wherein a gap is provided between the terminal block and the terminal piece fixedly mounted on the terminal block. 3. The rectangular washer 10 is provided with an L-shaped projection 13, and the terminal block 1 is provided with a spring 20 adapted to be engaged with and pushed up the L-shaped projection 13.
Terminal block compatible with the described round crimp terminals.