JPS60151982A - Assembling type terminal base - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a terminal block, and particularly to the structure of an assembly type terminal block that is easy to assemble and allows easy wiring work.

(Prior art) Conventionally, this type of assembly type &l! The A terminal block is as shown in Figure 1, and the terminal block body 1 consists of an upper base ia and a lower base 1a.
Barriers 1b are erected and formed at regular intervals on a base 1a formed of a metal fitting having a screw portion for a terminal screw 3 on an upper base 1a and a lower base 1a between the barriers 1b. In addition, fitting protrusions 1g and Ig are formed at the lower portions of both side walls of the base 1a, and a notch 1h is formed on the same side of each barrier lb. A hanging piece 4d is hung from one side of the metal fitting base 4a having a hole 4h for the terminal screw 3, an opening 41 is provided at the upper part of the hanging piece 4d, and a contact piece 4f is provided at the lower part. The contact piece base 4e is bent approximately 90 degrees with respect to the hanging piece 4d. .1
g, the contact piece base 4e of the terminal fitting 4 and the notch 1'h of the terminal block body 1, and the screw receiver! J-7 and the hole 4g of the terminal fitting 4 are arranged so as to be aligned with each other. Then, a connecting device is installed in which a pair of fitting holes 6c (-1'J' +-6d are formed standing up) are formed on both ends of the connecting base 6a having four concave chambers 6b. The fitting hole 6b of the cover piece 6d and the fitting protrusion 1g of the terminal block main body 1 are arranged on the terminal block main body 1 so that the recessed chamber 6d of the connecting device 6 and the contact piece base 4e of the terminal fitting 4 correspond to each other. Attach the connecting device 6 to the terminal screw 3 to the screw holder 7.
It consisted of 7Hj and 5 child units.

However, when installing wires on a terminal block, usually a crimp terminal is attached to the wire. , it is necessary to remove the terminal screws from the terminal block, making the work of connecting and disconnecting electric wires very complicated, and there is also the risk of losing the terminal screws during the work of connecting and disconnecting electric wires. In addition,
Since the metal fittings into which the terminal screws are screwed are embedded in the terminal block, the manufacturing process of the terminal block has the disadvantage that the number of steps increases and the manufacturing cost increases.

(Object of the Invention) The present invention was proposed in order to improve the above-mentioned drawbacks, and an object of the present invention is to provide a terminal block that simplifies assembly work and facilitates wiring work.

(Embodiment of the Invention) The present invention will be described below based on an embodiment not shown in FIGS. 2 to 7.

Reference numeral 1 designates a terminal block main body, in which barriers 1b are formed upright on the base 1a at regular intervals, and between each barrier 1b, a side plate 1c extending from one side wall of the base 1a is connected to both barriers 1b. It is integrally formed with an open recess 1d, and a pair of kite-shaped kite protrusions 1e, which are first guide locking parts, are provided on the barrier 1b side of the peripheral wall of the open recess 1d, facing each other. In addition, a pair of kite grooves 1f are provided diagonally, and the horizontal part of the kite protrusion 1e is connected to the movable part +A2.
The locking part 2c of the locking piece 2b is locked to prevent the movable part 2 from coming off upward, and the vertical part of the guide protrusion 1e is connected to the side wall and the vertical part of the guide protrusion 1e. Moving part +A between
By arranging the locking piece 2c of 2, it serves as a guide for the vertical movement of the movable member 2, and the guide groove If,
When the movable member 2 is inserted into the base 1a, the upper surface of the movable base 2a of the movable member 2 and the upper end of the side wall of the base 1a are on the same plane, and the terminal fitting 4 is In addition to preventing the milk from being exposed, it also serves as a guide when inserting the Oi: 11 child metal 4.

In addition, fitting protrusions 1g and Ig that fit with the protruding pieces 6d and 6d of the connecting device 6 are formed at the lower portions of both walls of the base 1a between the respective barriers 1b.

The movable member 2 is rotatable on the movable base 2a, but the terminal screw 3, which is prevented from being removed, is removed.
A pair of locking pieces 2b having a locking part 2c at the lower part are hung on one side of a, and between the locking pieces 2b there is an engaging piece that engages and locks the elastic piece 4c of the terminal fitting 4. 2d is formed. Then, the locking piece 2b of the movable base 2a is arranged between the side wall and the kite protrusion 1e, and the movable base 2a is inserted from the bottom side of the base 1a.
a into the opening recess 1d.

The terminal fitting 4 has a locking portion 4 curved on one side of the fitting base 4a.
An elastic piece 4c having an angle b is vertically formed, and the locking portion 4b of the elastic piece 4c engages and locks with the engaging piece 2d of the movable member 2, so that the two states, that is, the engaging piece 2d of the movable member 2 Lower part and locking part 4
b is engaged and locked to lift the movable member 2, and a gap is formed between the lower end of the terminal screw 3 and the top surface of the screw holder 5, and the upper part of the engaging piece 2d and the locking part 4b are The lower part is engaged and locked so that the terminal screw 3 can be kept in contact with the upper surface of the screw holder 5. There is a hanging piece 4d that is bent at the bottom, and the lower end of this hanging piece 4d is approximately
A contact piece base 4e having a shape is formed, and this contact piece base 4
A contact piece 4f is vertically disposed opposite to e.

In addition, the metal fitting base 4a has a notch (fF4h) on the elastic piece 4c side, including the part corresponding to the terminal screw 3.
A pair of locking protrusions 4g are formed diagonally on the sides where the elastic piece 4c and the hanging piece 4d are not provided. And terminal fitting 4
A screw holder 5 is interposed between the metal fitting base 4a and the contact piece base 4e, and the guide groove ir is placed with the elastic piece 4C on the side plate IC side.
The terminal fitting 4 is inserted into the opening recess 1d of the base 1d from the bottom side of the terminal block main body 1 by matching the locking protrusion 4g of the fitting mounting base 4a and the protruding piece 5g of the screw receiving stand 5. do.

The screw holder 5 is approximately shaped like an upper horizontal piece 5d.
A tapped hole 5b for the bRA female screw 3 is formed in the 1L and lower horizontal pieces 4a facing the vertical piece 5C,
The jdO side has a notch 5e that fits with the hanging piece 4d of the terminal fitting 4 and serves for positioning and fixing.

5f is formed, and a pair of locking protrusions 5g are formed diagonally on the other side of the two-stage horizontal piece 4a.

The external connection device 6 has a concave chamber 6b in which the contact piece 4f is placed on the connection base 6a, and -X is attached to the edge of the concave chamber 6b.
j screw holder 5. There are receiving protrusions 6f, 6f for the terminal block body 1 on both sides of the connection base 6a.
1g, Ig, l! : Fitting hole 6c to be fitted,
6c, one piece (id, 6d) is formed upright, and a groove 6e into which a printed circuit board (not shown) can be inserted and fixed is formed at the bottom of the connection base 6a. The recessed chamber portion 6b and the groove 6e are formed in communication with each other, so that when a printed circuit board (not shown) is inserted into the groove 6e, the printed circuit board is sandwiched between the contact pieces 4f and connected. It turns out.

Then, attach the contact piece 4f and the recessed chamber part 6b by pressing the connecting device 6 from the bottom side of the base 1a while aligning the fitting protrusion 1g of the terminal block body 1 with the fitting hole 6C of the receiving piece 6b. Fit the fitting hole 6C of the piece 6d into the fitting protrusion 1g of the base 1a.
Remove the connecting device 6.

Next, to explain the wiring work of electric wires, first,
As shown in the figure, on the terminal block with the terminal screw 3 attached, as the terminal screw 3 is loosened, the movable base 2a of the movable part +A2 moves upward, and the terminal screw 3 is further loosened. The two terminals and the terminal 3 come out of the screw cradle 5, and the lower end of the terminal clasp 3 comes into contact with the top surface of the screw cradle 5, that is, the state shown in Fig. 5, and at this time the terminal metal fitting The relationship between the elastic J-A4C of 4 and the movable part +, the locking piece 2d of I2 is that the upper part of the retaining piece 2d of the movable part 2 is engaged with the lower part of the snow-faced locking part 4b of the elastic piece 4C. Therefore, the lower end of the α111 child screw 3 of the terminal screw 3 is in the screw holder 5.
- is in contact with the surface.

Then, in the state shown in FIG. 5, the movable base 2 of the movable part shrine 2
If a is forcibly pushed up, the retaining piece 2d moves upward against the elastic force of the elastic piece 4c and passes over the locking piece 4b. If the force of pushing up is removed, the result will be as shown in Fig. 6, and the relationship between the elastic piece 4c and the retaining piece 2d will be such that the lower part of the retaining piece 2d engages and locks with the locking part 4b. The terminal screw 3 and the screw holder 5 are spaced apart from each other by a certain distance.

Then, in the state shown in Fig. 6, place the crimp terminal ζJ wire and forcibly push down the α111 screw 3.
As shown in the figure, the terminal screw 3 enters the hole provided in the crimp α11, 1 and comes into contact with the screw holder 5, so that the crimp T-terminal power line does not come off due to the terminal screw 3. Therefore, if you tighten the terminal screw 3 in this state, it will be crimped.
i1. The electric wire is fixed between the terminal screw 3 and the Q terminal fitting 4.

Also, when removing wires from the terminal block using crimp terminals.
-Remove the wires from the terminal block in the same manner as above-
U good.

(Effects of the Invention) According to the present invention, not only is it easy to assemble the terminal block, but also connection and removal work can be performed without removing the terminal screw when connecting electric wires, so there is no need to lose the terminal screw. There is no need to worry about this, and the wire connection and removal operations can be performed easily and easily.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view of a conventional example, partially in lji plane, and FIG. 2 is an exploded perspective view, partially in section, of an embodiment according to the present invention.
Fig. 3 is a bottom view of the terminal block, and Fig. 4 is a terminal block according to an embodiment of the present invention. Enlarged side view, 5th
The figure is an enlarged side view of a part of the IJji side showing the state in which the terminal screw has been removed from the cradle, and Figure 6 is an enlarged side view of the first side with the terminal screw in the wiring state. Figure 7 is also a partial TL showing the state in which the electric wire is wired to the terminal screw.
FIG. 2 is an enlarged side view of the ji plane. ■...Terminal block body, la...base, lb...barrier+
lc...side plate, ld...opening recess + Le...guide protrusion, 1f...guide groove, Ig...fitting protrusion,
2...Movable part + 2a...Movable base, 2b...Latching piece + 2c...Locking part, 2d...Engagement piece, 3...Terminal screw, 4...Anchor 1 child metal fitting + 4a.・Metal fittings base, 4b・
・Latching part. 4c...Elastic piece, 4d...Descent piece, 4e...Contact piece base, 4f...Contact piece + h...Locking protrusion, 4h...
・Notch, 5...Screw holder + 5a15C...Horizontal piece,
5b... Vertical piece + 56... Screw hole + 5e, 5f.
・Notch part, 5g...locking protrusion, 6...connection device ff,
(ia...Connection base, 6b...Concave chamber, 6c...Fitting hole, 6d...Mounting piece, 6e/l Incident surface military Sho h+ 59 year n +rt' msr No. 9244 No. 2, G Ming Name [Ho=lL f'l Seki 1 thread 4. Uma γ "Out 11 Naoto (1)
Column 5 of "Detailed Description of the Invention" of the specification, contents of amendment (1) In the 19th line of page 4 of the specification, the phrase "letter of summary" is corrected to "letter of [omitted]." (2) In the 14th line of page 6 of the specification, the phrase ``approximately 7 letters'' is corrected to ``approximately 7 letters''. (3) In the 6th line of the 7th basis of the specification, the phrase ``approximately written'' is corrected to ``approximately written''. (4) Details 7; 7th page, 14th line “External connection device 6
"is" is corrected to "the connecting device 6 is." (5) Specification 7i - page 7, line 18, correct the phrase "fitting protrusions Ig, ig" on rla to "fitting protrusions 1g, Ig" on both side walls of rla]. (6) AkirallIf! 4' Page 9, line 9, 6I corrects the phrase ``It is spoken at a distance.'' to ``It is spoken at a distance.'' (7) On the 6th line of page 10 of the specification, the phrase ``It has the effect of ru.'' is replaced by ``It has the effect of ru.'' In addition, in this invention, the connection ff1a is formed by opening straight downward to the terminal screw, but the connection ff1a is formed by bending at right angles to the terminal screw and opening. It is of course possible to do so without departing from the gist of the invention. ” he corrected.

Claims (1)

[Claims] Barriers are vertically formed on a base at regular intervals, a side plate is integrally formed with the barriers on both sides along one side wall of the base, and an opening recess is provided between each barrier. A terminal screw, which is rotatable but not removed, is installed in the opening recess of the terminal block main body, which has a first guide locking part formed on the wall and a fitting protrusion formed at the lower part of both side walls of the base. Take it&J
A pair of locks are vertically formed on one side of the movable base to enable vertical movement of the movable base [11], which are arranged in the first guide locking portion of the terminal block main body. In addition to arranging a iiJ movable part shrine in which an engaging piece is formed between the retaining pieces, a notch including a portion corresponding to the terminal eagle is provided in the metal fitting base, and a retaining piece of the movable member is provided on one side. A contact piece in which at least two elastic pieces each having a locking part that engages and locks are formed upright, a hanging piece is hung down on the other side, and a contact piece is hung down opposite to the hanging piece. A terminal fitting forming a base is disposed between the movable base of the movable part and the contact piece base with a screw holder having a threaded hole for the terminal screw interposed therebetween, and the terminal fitting is connected. A connection device in which a four-chamber part that can be connected to an external lead-out part is formed on a base, and mounting pieces having fitting holes that fit with fitting protrusions of the terminal block main body are erected on both ends. A prefabricated terminal block characterized in that it is formed by attaching to the terminal block main body.