JP3775013B2 - Terminal block device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a terminal block and a terminal block device including a terminal block on which the terminal block is placed, and more particularly to an improvement for facilitating the mounting and removal of the terminal block on the terminal block.
[0002]
[Prior art]
3A and 3B are three-dimensional views showing a conventional terminal block and a terminal pedestal on which the terminal block is placed. In FIG. 3A, reference numeral 11 denotes a terminal block, which is configured by integrating a motor terminal block and a brake terminal block. The four terminal blocks on the left side of the terminal block 11 are the motor terminal block and the right side 2. Each terminal block is a brake terminal block. Although not shown in the drawing, an electronic member made of a substrate or the like incorporating a diode or the like is incorporated in the recessed portion on the back side of the brake terminal block.
[0003]
In FIG. 3B, reference numeral 13 denotes a terminal base on which the terminal block 11 is placed, and constitutes a part of the terminal box. Reference numeral 14 denotes a recess formed in the terminal base 13 into which the bottom of the terminal base 11 is inserted, and reference numeral 15 denotes a concave groove formed in the side surface of the recess 14, which is fitted with the protrusion 12 formed in the terminal base 11. Make possible shapes.
[0004]
The terminal block 11 is fitted into a recess 14 formed in the terminal base 13 and a projection 12 formed on the bottom of the terminal base 11 and a groove 15 formed on the side surface of the recess 14 in the terminal base 13 are fitted. Structurally, the terminal block 11 is fixed in a state where it is fitted to the terminal base 13.
[0005]
[Problems to be solved by the invention]
The terminal block 11 in the conventional terminal block device is configured such that the motor terminal block and the brake terminal block are integrally formed, and is fixed in a state where the terminal block 11 is fitted and killed. While there is an advantage that screwing is not required, even if the electronic member built into the brake terminal block has a problem such as failure and needs to be replaced, it is difficult to disassemble and easy to replace There were problems such as not.
[0006]
The present invention has been made to solve the above problems, and an object of the present invention is to provide a terminal block device in which the terminal block can be easily attached and detached.
[0007]
[Means for Solving the Problems]
A terminal block device according to a first aspect of the present invention includes a terminal block and a terminal base on which the terminal block is placed. The terminal block has an engaging portion with the terminal base on one side and a screw on the other side. A flange having a through hole is formed, the engaged portion is formed at a position facing the engaging portion of the terminal block, and a screw hole is formed at a position facing the screw through hole of the flange. The terminal base is engaged with the terminal base and is fixed with a single screw, and the terminal base includes a recess into which the bottom of the terminal base is fitted, and the side surface of the recess The engaging portion is formed in a concave shape or a convex shape, and the engaging portion formed in the terminal block is a convex shape or a concave shape that can be engaged with the engaged portion of the terminal base. It is what makes .
[0009]
The terminal block device according to the second invention is the terminal block device according to the first or second invention, wherein the terminal block has a screw through hole on the opposite side of the one side where the engaging portion with the terminal base is formed. It is equipped with a flange.
[0010]
A terminal block device according to a third aspect of the present invention is the terminal block device according to the first aspect of the present invention, which is a two-part type in which the terminal block is integrated by fitting.
[0011]
A terminal block device according to a fourth invention is the terminal block device according to the third invention, wherein a flange having a screw through hole is formed in one terminal block of the two-part terminal block, and the flange is formed. An electronic member is incorporated in the other terminal block that is not provided.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Embodiment 1 FIG.
Embodiment 1 of the present invention will be described with reference to the drawings shown in FIGS. FIG. 1A is a perspective view showing a terminal block constituting the terminal block device, and FIG. 1B is a perspective view showing a terminal base similarly constituting the terminal block device. 2 is a divided view of the terminal block shown in FIG. 1 (A), and FIGS. 2 (A) and 2 (B) are a front view and a side view as viewed from the divided surface side, respectively, of the motor terminal block. (C), (D) is the front view which shows the terminal block for brake, respectively, and the side view seen from the division surface side.
[0013]
1A and 2A to 2D, 1 is a terminal block, 1A is a motor terminal block, 1B is a brake terminal block, and the terminal block 1 is a motor terminal block 1A and a brake terminal block. The terminal block 1B is joined and integrated by fitting. Although not shown, the brake terminal block 1B incorporates an electronic member made of a substrate or the like incorporating a diode or the like.
[0014]
2 is a projection having a convex shape as an engaging portion formed on one side surface of each of the motor terminal block 1A and the brake terminal block 1B, and 3 is the opposite side surface of the motor terminal block 1A on which the projection 2 is formed. The flange 3 is formed on the side surface, and the flange 3 is formed with a screw through hole 3A. Reference numeral 4 denotes a screw for fixing the motor terminal block 1A to a terminal base 7 described later. In FIG. 2B, the screw 4 shown in FIG. 2A is omitted.
[0015]
5 is a fitting groove with the brake terminal block 1B formed on the dividing surface of the motor terminal block 1A, and 6 is fitted with the groove 5 of the motor terminal block 1A formed on the dividing surface of the brake terminal block 1B. This is a projection for fitting.
[0016]
In FIG. 1 (B), 7 is a terminal base on which the terminal block 1 is placed, 8 is a recess formed in the terminal base 7 and into which the bottom of the terminal block 1 is fitted, and 9 is formed on the side surface of the recess 8. It is a groove | channel which makes the concave shape as a to-be-engaged part, and makes the shape which can be engaged with the protrusion 2 formed in the said terminal block 1. FIG. Reference numeral 10 denotes a screw hole for fixing the terminal block 1 with screws 4.
[0017]
The motor terminal block 1A and the brake terminal block are coupled by fitting the fitting groove 5 formed on the dividing surface of the motor terminal block 1A and the fitting protrusion 6 formed on the brake terminal block 1B. The terminal block 1 is formed integrally with 1B, and the protrusion 2 formed on each of the motor terminal block 1A and the brake terminal block 1B is engaged with the concave groove 9 formed on the terminal base 7. Next, the screw 4 is inserted into the only screw through hole 3A formed on the flange 3 of the motor terminal block 1A, and the terminal block 1 is screwed into the screw hole 10 of the terminal base 7 to fix the terminal base 1 to the terminal base 7 Secure to.
[0018]
In addition, the flange part 3 which has the screw through hole 3A for screwing fixation is formed only in the motor terminal block 1A in the terminal block 1 which can be divided into two, and the flange part 3 is formed in the brake terminal block 1B. Although not done, the brake terminal block 1B is indirectly fixed to the terminal base 7 by fitting and integration with the motor terminal block 1A.
[0019]
As described above, the terminal block 1 can be divided into two parts, that is, the motor terminal block 1A and the brake terminal block 1B, and the two divided parts can be easily integrated, and the terminal block 1 has only one screw. 4 can be fixed to the terminal base 7 with screws, so that the terminal base 1 can be easily attached to and detached from the terminal base 7.
[0020]
Further, the terminal base 7 is formed with a recess 8 into which the terminal block 1 is fitted and inserted. The shape of the recess 8 is substantially the same as the bottom of the terminal base 1, and the protrusion 2 formed on the terminal base 1 and the terminal base 7, the terminal block 1 is positioned by the recess 8, and the terminal block 1 and the terminal pedestal 7 formed by the screws 4 are positioned. Fixing is easier and more secure.
[0021]
Further, the brake terminal block 1B, which may cause trouble such as a failure due to the incorporation of an electronic member such as a diode, is relatively inexpensive because the flange portion 3 is not formed and the shape is simple. Since it can be manufactured and can be separated from the motor terminal block 1A and removed independently, it can be economically replaced.
[0022]
The terminal block device includes a terminal block 1 and a terminal base 7 on which the terminal block 1 is placed. The terminal base 7 shown in FIG. 1B constitutes the base part of the geared motor terminal box, and the terminal base is constituted by the terminal base 7 and a lid (not shown) covering the terminal base 7. In the first embodiment, the terminal pedestal 7 is formed on the terminal box itself that houses the terminal block 1, but an independent terminal pedestal 7 may be housed and attached in the terminal box.
[0023]
【The invention's effect】
According to the first invention, an engaging portion to the terminal base is formed on one side of the terminal base, and a flange having a screw through hole for screwing to the terminal base is formed on the other side . Since the recess for inserting the terminal block is formed in the terminal base and the engaging portion formed in the terminal base is formed in a convex shape or a concave shape , the terminal base is tightened to the terminal base with a single screw. The terminal block can be easily attached and detached, and the terminal block can be easily positioned and can be easily attached and detached at a relatively low cost .
[0025]
According to the second invention, since the flange having the screw through hole of the terminal block is formed on the opposite side of the engaging portion to the terminal base, it is fixed by a single screw together with the effect of the first invention. There is an effect that a more reliable one is obtained.
[0026]
Further, according to the third invention, since the terminal block is a two-split type integrated by fitting, there is a problem in one of the two divided terminals together with the effects of the first or second invention. In this case, it is possible to obtain a product that can be easily replaced with a non-defective product.
[0027]
According to the fourth invention, since the electronic member is incorporated in the terminal block in which the flange is not formed in the terminal block that can be divided into two parts, the non- defective product in the case where a defect occurs together with the effect of the third invention. There is an effect that can be replaced economically.
[Brief description of the drawings]
FIG. 1 is a diagram showing a terminal block device as Embodiment 1 of the present invention, FIG. 1 (A) is a perspective view showing a terminal block, and FIG. 1 (B) is a perspective view showing a terminal base.
2 is a diagram in which the terminal block shown in FIG. 1 is divided. FIGS. 2 (A) and 2 (B) are a front view and a side view showing the motor terminal block, and FIGS. 2 (C) and 2 (D). These are the front view and side view which respectively show the terminal block for brakes.
3A and 3B are diagrams showing a conventional terminal block device, in which FIG. 3A is a perspective view showing a terminal block, and FIG. 3B is a perspective view showing a terminal base.
[Explanation of symbols]
1 terminal block, 1A motor terminal block, 1B brake terminal block, 2 protrusions, 3 flange, 3A screw through hole, 4 screws, 5 fitting groove, 6 fitting protrusion, 7 terminal base, 8 recess, 9 groove, 10 Screw holes

Claims (4)

And the terminal block, a terminal block apparatus and a terminal stage for placing the said terminal block, said terminal block has the engaging portion between the terminal base on one side thereof, a screw through hole on the other side The terminal pedestal has an engaged portion at a position facing the engaging portion of the terminal block, and a screw hole at a position facing the screw through hole of the flange. the terminal block is engaged to the terminal stage, and the terminal block system that will be secured by a single screw, the terminal base is provided with a recess to be interpolated fitting the bottom of the terminal block, the depressions Mino side An engaged portion is formed, the engaged portion is concave or convex, and the engaging portion formed on the terminal block has a convex or concave shape that can be engaged with the engaged portion of the terminal base. terminal blocks and wherein the forming. The terminal block device according to claim 1 , wherein a flange having a screw through hole is formed on the terminal block opposite to one side where the engaging portion with the terminal base is formed . 3. The terminal block device according to claim 1, wherein the terminal block is a two-part type integrated by fitting . The terminal block device according to claim 3 , wherein a flange having a screw through hole is formed in one terminal block of the two-divided terminal block, and an electronic member is incorporated in the other terminal block in which the flange is not formed. Terminal block device characterized by the above .

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