JP2555956Y2 - Terminal block mounting device - Google Patents

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to a terminal block mounting device, and more particularly to a device capable of earth connection by mounting a terminal block main body to a substrate to be mounted.

(Prior Art) In order to mount a terminal block main body on a conventional terminal block mounting apparatus of this type, for example, a substrate to be mounted such as a lighting fixture chassis, as shown in FIGS. A screw insertion hole 2 is formed in the mounting board 1, a plurality of positioning holes 3 are formed, and a mounting hole 5 is opened in the bottom surface of the terminal block main body 4. And a positioning projection 6 engaging with the positioning hole 3 is provided on the bottom surface of the terminal block main body 4 to engage the positioning projection 6 with the positioning hole 3 of the substrate 1 to be mounted.
A screw 7 is inserted into the screw insertion hole 2 from the back side of the mounting substrate 1, and the screw 7 is screwed into a screw hole of a ground terminal piece provided inside the mounting hole 5 of the terminal block main body 4. A structure is employed in which the main body 4 is mounted on the mounting substrate 1 with screws 7 and the ground terminal pieces are grounded to the mounting substrate 1 with the screws 7.

(Problem to be Solved by the Invention) In the terminal block mounting apparatus having the above-described conventional structure, the screw 7 must be inserted from the back side of the mounting substrate 1 to perform the tightening operation. In this case, it is necessary to invert the substrate 1 to be attached, and the workability is poor.
There is a problem that it takes time to assemble and the assembling efficiency is low.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and provides a terminal block mounting device that can reliably mount a terminal block main body from the front side of a substrate to be mounted and can connect a ground terminal strip to the substrate to be mounted. is there.

(Means for Solving the Problems) The terminal block mounting apparatus of the present invention mounts the terminal block main body on a conductive mounting substrate, and connects a ground terminal piece of the terminal base main body to the mounting substrate. A base mounting device, wherein the mounting substrate is provided with a plurality of mounting pieces having cutting projections formed substantially parallel to a surface of the substrate and having engaging projections protruding toward a lower surface side; Engaging projections are formed on the outer peripheral side surface of the terminal block main body so as to oppose the plurality of attachment pieces, and the engagement projections of the attachment pieces are respectively engaged with the upper surfaces of the engagement projections. An engaging hole is formed, and a ground terminal piece provided in the terminal block main body extends inside the engaging hole of at least one engaging protrusion of the terminal block main body. It is engaged with the engagement hole and is brought into contact with the engagement protrusion of the mounting piece. The contact protrusion is formed.

(Operation) The terminal block mounting apparatus of the present invention slides the bottom surface of the terminal block main body on the mounting substrate, and attaches the plurality of mounting pieces cut and raised to the mounting substrate to the outer peripheral side surface of the terminal block main body. By engaging the upper surface of the engaging projection formed at the upper surface, the engaging projection of the mounting piece is engaged with the engaging hole on the upper surface of the engaging projection, and the terminal block body is mounted. It is fixed to the board. The mounting piece having the engaging protrusion engaged with the engaging hole of the at least one engaging projecting step is brought into contact with the contact protrusion of the ground terminal piece, and is inserted into the terminal block body. The provided ground terminal piece is grounded to the substrate to be mounted. Therefore, the terminal block main body can be mounted on the mounting substrate without inverting the mounting substrate.

(Embodiment) The configuration of an embodiment of the present invention will be described with reference to FIGS.

Reference numeral 10 denotes a conductive mounting board such as a lighting fixture chassis on which the terminal block main body 11 is mounted.
The upper and lower ends of a plurality of rising pieces 12, 13 cut and raised substantially on the same line from the substrate surface are bent at substantially right angles, and the first and second mounting pieces are formed by burring substantially parallel to the substrate surface.
14,15 are formed. And the first and second
A hook-shaped engaging projection 16 is formed on each of the mounting pieces 14, 15 so as to project toward the lower surface.

On both sides of the terminal block main body 11, cutout recesses 17 and 18 each having a width dimension capable of disposing the mounting pieces 14 and 15 from the upper surface to the lower surface are respectively located on substantially diagonal lines of the terminal block main body 11. The first and second engaging projections 19, which are formed adjacent to the notch recesses 17, 18 and have a height adjusted from the bottom surface to the height of the rising pieces 12, 13, respectively. 20 are formed.

On the upper surfaces of the first and second engaging projections 19 and 20, an engaging hole 21 for engaging the engaging projection 16 of the mounting pieces 14 and 15 is opened.

As shown in FIGS. 3 and 4, an extending end 23 of a ground terminal piece 22 provided in the terminal block main body 11 is provided on the inner surface side of the first engaging projection 19. This extension end 23
A dowel-shaped contact protrusion which is engaged with the engagement hole 21 of the first engagement projection 19 from the inside and is brought into contact with the engagement projection 16 of the first mounting piece 14 24 are formed.

Further, a ground wire connection hole is provided on the front surface of the terminal block body 11.
A self-locking terminal for connecting a ground wire to the ground terminal piece 22 is provided inside the ground wire connection hole 25, 25. Release holes 26, 26 for releasing the connection are formed. A power line connection hole 2 is provided on the front of the terminal block body 11.
8 and 28 and feed line connection holes 29 and 29 are formed. Inside the power supply line connection holes 28 and 28 and the feed line connection holes 29 and 29, a locking terminal for connecting a power supply line and a feed line to a terminal strip respectively. Are provided, and release buttons 30, 30 for releasing the connection between the power supply line and the feed line are provided.

Further, the end faces of the terminal block main body 11 are provided with load wire connection holes 31 and 3.
1, 32, 32 are formed respectively, and these load wire connection holes 31, 31, 3
A self-locking terminal for connecting a load line to a terminal piece for connecting the power supply line is provided inside 2, 32.

Further, a release hole 35 for releasing the connection of the load line is formed.

 Next, the operation of this embodiment will be described.

As shown in FIG. 2, the terminal block main body 11 is attached to first and second mounting pieces 14, 15 formed by cutting and raising the mounting substrate 10.
When the terminal block main body 11 is slid on the substrate 10 to be mounted in this state, the first and second mounting pieces 14, 15 are brought into contact with the first and second engaging portions. Joint step 19,
The engagement protrusion 16 is engaged with the engagement hole 21 of the engagement protrusion 19, 20. Then, as shown in FIGS. 3 and 4, the engagement hole of one of the engagement projections 19 of the terminal block main body 11 is formed.
The engaging protrusion 16 of the first mounting piece 14 engaged with the contact 21 is connected to the contact protrusion 24 of the ground terminal piece 22. In this state,
The first and second mounting pieces 14, 15 are engaged with the engaging projections 19, 20 substantially diagonally, and the terminal block main body 11 is mounted on the substrate to be mounted.
The terminal block main body 11 is attached and fixed to the terminal block 10, and does not rattle or move. Then, the terminal block main body 11 can be attached to the substrate 10 by simply sliding the terminal block main body 11 on the substrate 10 without inverting the substrate 10 to be attached. Terminal strip
22 is connected.

In the above-described embodiment, the structure in which the engaging projections 19 and 20 are formed on the terminal block main body 11 adjacent to the notch recesses 17 and 18 has been described. The joint steps 19 and 20 may be formed so as to protrude from the outer peripheral side surface of the terminal block main body 11.

(Effects of the Invention) According to the present invention, the substrate is provided with a plurality of mounting pieces each having an engaging projection formed so as to be cut and raised substantially parallel to the substrate surface and projecting toward the lower surface side, and the terminal block main body is provided. A plurality of engaging projections are formed on the outer peripheral side surface of the terminal block main body so as to oppose the plurality of mounting pieces, and the engaging projections of the mounting pieces are respectively engaged with the upper surfaces of the engaging projections. A mating hole is formed, and a ground terminal piece provided in the terminal block main body is extended inside the engaging hole of at least one engaging projection of the terminal block main body, and is engaged with the ground terminal piece. Since the contact protrusion is formed to be engaged with the hole and to be brought into contact with the engagement protrusion of the mounting piece, the bottom surface of the terminal block body is slid over the mounting substrate to form a plurality of cut and raised portions on the mounting substrate. By engaging the upper surfaces of the engaging projections formed on the outer peripheral side surface of the terminal block main body with the respective mounting pieces, The engaging projection of the mounting piece is engaged with the engaging hole on the upper surface of the joint step, the terminal block body is attached and fixed to the substrate to be mounted, and the terminal block body is engaged with the engaging hole of at least one engaging projection. In the mounting piece that has engaged the engaging projection, the engaging projection is brought into contact with the contact projection of the ground terminal piece, and the ground terminal piece provided in the terminal block body is grounded to the substrate to be mounted. The terminal block main body can be mounted on the substrate to be mounted without inverting the mounting substrate, the terminal block main body can be securely mounted on the substrate, and the mounting workability can be improved.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a terminal block mounting device showing one embodiment of the present invention, FIG.
FIG. 4 is a vertical cross-sectional front view of a part of the ground connection portion of the terminal block main body, FIG. 4 is a cross-sectional side view of the same, and FIG. FIG. 6 is a perspective view of a conventional terminal block, and FIG. 7 is a side view in which a part of the terminal block is mounted in the same manner. 10 mounting substrate, 11 terminal block body, 14, 15 mounting piece, 16 engaging projection, 19, 20 engaging projection, 21
... engagement hole, 22 ... ground terminal strip, 24 ... contact protrusion.

Claims (1)

(57) [Scope of request for utility model registration] 1. A terminal block mounting device for mounting a terminal block main body to a conductive mounting substrate, and connecting a ground terminal piece of the terminal base main body to the mounting substrate by grounding. A plurality of mounting pieces having cutting projections formed substantially parallel to the substrate surface and protruding toward the lower surface side are provided, and the terminal block main body is provided on the outer peripheral side surface of the terminal block main body with the plurality of mounting pieces. Forming engaging projections facing each other,
An engagement hole for engaging the engagement protrusion of the mounting piece is formed on the upper surface of each engagement protrusion, and the inside of the engagement hole of at least one engagement protrusion of the terminal block body. A ground terminal piece provided inside the terminal block main body is extended and disposed, and a contact projection is formed on the ground terminal piece to be engaged with the engagement hole and to be brought into contact with the engagement projection of the mounting piece. A terminal block mounting device characterized by that.