JPH11238537A - Terminal connector device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a terminal connecting device capable of easily conducting electric wire connection in simple operation without the need for a terminal fastening screw. SOLUTION: Connectors 11 are connected to the ends of at least a pair of electric wires 1, 2, and at least a pair of terminal fixing engaging accepting parts 16a, 16b-18a, 18b for fitting the connecting units 11 and engaging in the electric wire pulling direction, and electrically connecting the connectors 11 each other are formed in a terminal connector main body 15. As a result, by only having the connector 11 fit to the engaging receiving part for engaging, the electric wires are simply connected without using screws for fixing.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal connection device for connecting wiring such as a switchboard.

[0002]

2. Description of the Related Art FIG. 21 is a perspective view showing a conventional terminal connection device using a terminal block. In the figure, reference numerals 1 and 2 denote a pair of electric wires to be connected to each other, and reference numerals 3 and 4 denote terminal portions of the electric wires 1 and 2. A crimp terminal that is stripped of the insulation coating and crimped to the terminal part;
a, 4a are screw holes of the crimp terminals 3, 4;
4 is a terminal block as a terminal connector to which the terminal block 4 is attached. The terminal block 5 is made of an electrically insulating resin material having appropriate rigidity. Reference numeral 6 denotes a plurality of pairs of screw holes provided in the terminal block 5, and each pair of the screw holes 6 is electrically connected to each other. Reference numeral 7 denotes a screw for fastening the crimp terminals 3 and 4 to the terminal block 5, and the screw 7 is screwed and set in the screw hole 6 in advance.

Next, the connection between the electric wires 1 and 2 by the terminal block 5 will be described. In this case, first, after the screw 7 screwed into the screw hole 6 of the terminal block 5 is removed, the screw 7 is passed through the screw holes 3a and 4a of the crimp terminals 3 and 4, and the screw hole 6 of the terminal block 5 is removed. And screw it back in. Thereby, the electric wires 1 and 2 are electrically and mechanically connected to each other.

FIG. 22 is a perspective view showing a conventional terminal connection device using a connector. In the figure, reference numeral 8 denotes a male connector having a plurality of terminal pins 8a. It is attached to. Reference numeral 9 denotes a female connector paired with the male connector 8. The female connector 9 has a plurality of pin holes 9 a into which the terminal pins 8 a are inserted, and the other connector to be electrically connected to the electric wire 1. Is attached to the end of the electric wire 2.

Here, the electric wires 1 and 2 to which the connectors 8 and 9 are attached are bundled electric wires each of which is formed by bundling a plurality of covered electric wires and further applying an outer covering. One line of one bundled electric wire 1 is connected to the terminal pin 8a, and similarly, one line of the other bundled electric wire 2 is connected to each pin hole 9a of the female connector 9 in the same manner.

Accordingly, the terminal pins 8a of the male connector 8
Is inserted into the pin hole 9a of the female connector 9, whereby a plurality of electric wires are simultaneously connected. The electric wire connection by the connectors 8 and 9 is excellent in that a plurality of electric wires can be surely connected at the same time, and compatibility of the same type connector is obtained.

[0007]

Since the conventional terminal connecting device is constructed as described above, in the case of the electric wire connection by the terminal block shown in FIG. 21, the terminal connecting device is screwed and set in the screw hole 6 of the terminal block 5 in advance. After the screw 7 is once removed, the screw 7 must be passed through the screw holes 3a and 4a of the crimp terminals 3 and 4 and screwed into the screw hole 6 again to be tightened. It is necessary to use many screws 7, it takes a lot of time and labor, and it is very troublesome, and connection work in a narrow place such as a switchboard is complicated and requires skill. . Further, when a plurality of circuits are branched by the electric wire connection by the terminal block 5 as described above, there is a problem that a crossover wiring is required.

In the case of electric wire connection by the conventional connector shown in FIG. 22, one wire must be connected to each terminal pin 8a of the male connector 8 and each pin hole 9a of the female connector 9. However, the connection work requires a lot of trouble and is very troublesome, and requires a skill, and has a problem that it is difficult to change the connection.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a terminal connecting device which can easily perform electric wire connection by a simple operation without requiring a terminal tightening screw. With the goal. Another object of the present invention is to provide a terminal connecting device capable of performing an electric wire connection operation that does not require screwing and skill, more simply and efficiently. Another object of the present invention is to provide a terminal connection device that can contribute to the recycling of components.
Still another object of the present invention is to provide a terminal connecting device that can also use a cover member of a terminal connector main body to prevent a connector from coming off. Another object of the present invention is to provide a terminal connecting device that can accurately perform wire connection that does not require screw fixing without error. A further object of the present invention is to provide a terminal connection device that can easily perform the electric wire connection without the need for crossover wiring when the electric wire connection is performed to branch a plurality of circuits.
Still another object of the present invention is to provide a terminal connection device that can easily perform attachment / detachment work of a connector to / from a terminal connection device main body. A further object of the present invention is to provide a terminal connecting device capable of forming a terminal connecting device having an arbitrary number of poles with a few basic components. Another object of the present invention is to provide a terminal connection device which can easily and firmly connect a plurality of terminal connection device bodies to form a unit terminal connection device. Further, the present invention provides a D connector for the terminal connector body.
An object of the present invention is to provide a terminal connection device that can easily attach and detach an IN rail. Another object of the present invention is to provide a terminal connecting device that can easily and firmly attach a connector to a terminal of an electric wire. Another object of the present invention is to provide a terminal connection device that can be easily connected to a connector by directly applying an existing crimp terminal attached to a terminal of an electric wire. Still another object of the present invention is to provide a terminal connecting device capable of easily attaching and detaching a connector and a crimp terminal. A further object of the present invention is to provide a terminal connection device that can construct a connector that does not require complicated electric wire connection. Still another object of the present invention is to provide a terminal connection device that can configure the terminal connection device main body as a female connector. In addition, the present invention
An object of the present invention is to provide a terminal connection device that can easily be formed into a unit with a plurality of connectors attached to a terminal connector main body and can be used as a male connector. A further object of the present invention is to provide a terminal connecting device that can easily and reliably perform electrical connection between single electric wires.

[0010]

A terminal connecting device according to the present invention is a terminal connecting device for electrically connecting at least a pair of wires, wherein a connector connected to a terminal of each of the wires, A terminal connector main body to be attached, and at least one pair of terminal attachments provided on the terminal connector main body, wherein each of the connectors is fitted and engaged in a wire withdrawing direction, and the connectors are electrically connected to each other. And an engagement receiving portion.

In the terminal connecting device according to the present invention, a dovetail-shaped engaging concave portion is provided as an engaging receiving portion on the terminal connector main body, and the connector is detachably fitted into and engaged with the engaging concave portion. It has an engaging projection.

In the terminal connection device according to the present invention, the terminal connector main body is made of an electrically insulating material, and a conductor for electrically connecting the engagement receiving portions to each other is detachably attached to the terminal connector main body. The one that is attached.

[0013] In the terminal connection device according to the present invention, a connector retaining / comprehensive cover member for holding the connector fitted and engaged with each of the engagement receiving portions is detachably attached to the terminal connector main body. Things.

In the terminal connection device according to the present invention, a terminal number display cover is detachably attached to the terminal connection device main body.

In the terminal connection device according to the present invention, a plurality of connectors can be fitted and engaged with each of the engagement receiving portions.

The terminal connecting device according to the present invention includes a connector attaching / detaching jig for pushing the connector into the engagement receiving portion and pushing out the connector from the engagement receiving portion.

In the terminal connection device according to the present invention, a plurality of terminal connection device bodies are combined and joined in a lateral direction to constitute a unit terminal connection device capable of arbitrarily increasing the number of poles.

In the terminal connecting device according to the present invention, an end dovetail groove is provided on a joint end face of the terminal connector main body, and a plurality of terminal connector main bodies are connected by a joining member inserted into the end dovetail groove. Is what it is.

In the terminal connection device according to the present invention, the terminal connection device main body is detachably attached to the bottom thereof.
A rail, a rail attaching / detaching lever for fastening the DIN rail to the terminal connector main body, and a wedge for holding the rail attaching / detaching lever at a fastening release position of the DIN rail.

[0020] In the terminal connection device according to the present invention, the connector has a crimping portion for fitting and crimping the terminal of the electric wire.

In the terminal connecting device according to the present invention, the crimp terminal crimped to the terminal of the electric wire is detachably attached to the connector.

The terminal connection device according to the present invention includes a jig for attaching and detaching a crimp terminal provided with a concave notch for detachably fitting and fixing a connector connected to the crimp terminal. .

A terminal connecting device according to the present invention is a terminal connecting device for electrically connecting a plurality of pairs of electric wires, wherein the connectors respectively connected to the terminals of the electric wires, and each of the connectors is detachable. A pair of attachments that are fitted and engaged in the direction of pulling out the wire, and a plurality of the connectors are assembled in a multiple unit state, a terminal connector main body to which the attachment is to be attached, and a terminal connector main body. And an attachment engagement receiving portion for electrically connecting the pair of connectors to each other via the attachment when the two attachments are detachably fitted and engaged.

In the terminal connection device according to the present invention, an attachment cover for pressing a plurality of connectors attached to the attachment is detachably attached to the attachment.

[0025] In the terminal connection device according to the present invention, a connector cover for holding an attachment attached to the terminal connector main body is detachably attached to the terminal connector main body.

According to the terminal connecting device of the present invention, in a terminal connecting device for electrically connecting a pair of single electric wires, connectors connected to respective terminals of the single electric wires and attaching these connectors. A terminal connector main body having a substantially concave cross section is provided in the terminal connector main body, the connectors are fitted and engaged in a single wire pulling-out direction, and the two connectors are connected to each other. And an engagement receiving portion to be butt-joined.

[0027]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below. Embodiment 1 FIG. 1 is an exploded perspective view showing a terminal connecting device according to Embodiment 1 of the present invention, FIG. 2 is a perspective view showing an assembled state of FIG. 1, FIG. 3 is a plan view of FIG. 2, and FIG. It is sectional drawing which shows a child. In FIG. 1, reference numeral 11 denotes a connector mounted on a terminal of one of the wires 1 to be connected to each other. This connector 11 is connected to the other wire 2 to be electrically connected to the wire 1 (see FIG. 3). Is also installed.

Reference numeral 12 denotes a cylindrical crimping portion provided on the connector 11 and crimped to the end of the electric wire 1. The crimping portion 12 is, as shown in FIGS. The insulating coating of the terminal 2 is peeled off and the terminal is fitted and crimped. Reference numeral 13 denotes an engagement protrusion provided on the connector 11 and protruding on the opposite side of the crimping portion 12.

In FIG. 4, reference numeral 14 denotes an electrode provided on the connector 11. The electrode 14 is connected to the electric wires 1 and 2 of each system and is exposed at the end face of the engaging projection 13. I have. Here, the crimping portion 12 and the electrode 14 are made of a conductor embedded and electrically connected to the insulating material by molding or fitting. The crimping portion 12 is covered with an insulating material such as an insulating tube so that no is exposed.

Reference numeral 15 denotes a terminal connector main body for electrically connecting the connector 11 of the one electric wire 1 and the connector 11 of the other electric wire 2, and the terminal connector main body 15 has an appropriate rigidity. And a terminal block made of an insulating resin material.

Reference numerals 16a, 17a and 18a denote engagement receiving portions on one side provided on the terminal connector main body 15, 16b and 17a.
b and 18b are oppositely provided engagement receiving portions provided on the terminal connector main body 15 and corresponding to the engagement receiving portions 16a, 17a and 18a.
Although not shown in the drawing, 18b is paired with each of the one-side engagement receiving portions 16a, 17a, 18a corresponding thereto. Therefore, the terminal connector main body 15 shown in FIGS. 1 to 3 has three pairs of engagement receiving portions 16a, 16b and 17a,
17b and 18a, 18b are provided.

The engagement receiving portions 16a to 18a and 16
Each of b to 18b is formed of a dovetail-shaped engaging recess. Here, each of the engagement receiving portions 16a to 18a and 16b
18b is set to a fixed size, and the engagement receiving portion 16 located on the side of the terminal connector body 15
a, 16b and 18a, 18b and the terminal connector body 15
Is set to 端 of the fixed pitch.

Therefore, even when a plurality of terminal connector main bodies 15 are combined and joined in the longitudinal direction and used, the respective engagement receiving portions 16a to 16a-1 over the entire joint length of each terminal connector main body 15 are used.
The pitches of 8a and 16b to 18b can be the same. On the other hand, the engaging projection 13 of the connector 11 is formed in a shape corresponding to the dovetail-shaped engagement receiving portions 16a to 18a and 16b to 18b.

Reference numeral 19 denotes three square holes provided in the terminal connector main body 15, and these square holes 19 are paired with the engagement receiving portions 16a and 16b, 17a and 17b, 18a and 1b.
8b. Reference numeral 20 denotes a conductor removably mounted in the square hole 19, reference numeral 20a denotes a folded portion formed by turning both sides of the conductor 20 to have a rounded shape, and reference numeral 20b denotes a curved convex portion formed at the center of the side surface of the conductor 20. As described above, the conductor 20 having the folded portions 20a on both sides and the curved convex portion 20b at the center of the side surface is formed by bending a thin conductive plate made of copper or the like.

Here, a concave portion (not shown) for engaging the curved convex portion 20b of the conductor 20 in a detachable manner is provided on the inner wall surface of the square hole 19, and the concave convex portion is formed in the concave portion. The engagement of the portion 20b prevents the conductor 20 from falling off even if the conductor 20 is vertically fitted into the square hole 19. The square hole 19 may be replaced with a round hole or a slit.

Numerals 21 and 22 are rail-like engaging projections provided in the longitudinal direction of the top of the terminal connector main body 15 for attaching a cover, and these engaging projections 21 and 22 are dovetail-shaped. Of the engagement receiving portions 16a to 18a and 16b to 18b
It is provided in a position that does not block the upper end opening of. 21a,
Reference numeral 22a denotes an inclined surface formed on the outer surface in the longitudinal direction of the engaging projections 21 and 22, 23 denotes vertical end dovetails for joints provided at both ends of the terminal connector main body 15, and 24 denotes a terminal connector. A dovetail groove at the bottom of the main body 15, 25 is a DIN rail which is detachably fitted and engaged with the dovetail groove 24 at the bottom, 26 is a lever for attaching and detaching the rail of the DIN rail 25, and the lever 26 for attaching and detaching the rail is provided at the outer end. L-shaped bent piece 26a
have.

Reference numeral 27 denotes a cover member which is attached to the top of the terminal connector main body 15 and serves also as a connector stopper. The cover member 27 is made of an insulating transparent resin material having appropriate strength and thickness. , With moderate elasticity. 28 and 29 are sleeve walls on both sides of the cover member 27;
Reference numeral 0 denotes a dovetail groove on the back surface of the cover member 27. The dovetail groove 30 on the back surface is formed between the sleeve walls 28, 29 by inclining the inner surfaces of the sleeve walls 28, 29. Reference numeral 31 denotes a cutout provided in at least one of the sleeve walls 28 and 29 for inserting a tool such as a driver.

Next, the electric wires 1 and 2 are connected by the terminal connector main body 15.
The assembling operation in the case where the two are electrically connected will be described. First, in the electric wires 1 and 2 to be connected to each other, the engaging protrusion 13 of the connector 11 attached to the terminal of one of the three electric wires 1 is engaged with the engagement receiving portion 16 on one side of the terminal connector main body 15.
a, 17a, and 18a are slidably fitted from above, and in the same manner, the engaging projection 13 of the connector 11 attached to the terminal of the other three electric wires 2 (see FIG. 3) is connected to the terminal connection. Engagement receiving portions 16b, 17b, 18b on the opposite side of the container body 15
To be engaged. Thereby, the connector 11 of the one electric wire 1 and the connector 11 of the other electric wire 2 are electrically connected by the conductor 20 loaded in the square hole 19 of the terminal connector main body 15.

Next, the cover member 27 is placed on the top of the terminal connector main body 15, and when the cover member 27 is lightly pressed, the sleeves 28, 29 on both sides are pressed by the elastic force to form the engaging projections 21, 21 for cover attachment. 22. As a result, the sleeve walls 28 and 29 on both sides of the cover member 27 are connected to the respective engagement receiving portions (dovetail grooves).
The upper ends of the connectors 16a to 18a and 16b to 18b are closed, and the upper ends of the connectors 11 are pressed.
Therefore, each connector 11 does not fall off from the terminal connector main body 15.

When the electric wires 1 and 2 are connected by the terminal connector main body 15, for example, as shown in FIG. 2, two connection units are connected to each of the engagement receiving portions 16 a to 18 a and 16 b to 18 b. The child 11 may be fitted and engaged in a stacked state.

As described above, according to the first embodiment, the connector 11 of the electric wires 1 and 2 is merely engaged with the engagement receiving portions 16a to 18a and 16b to 18b of the terminal connector main body 15. There is an effect that electrical connection between the electric wires 1 and 2 can be easily performed by a simple operation. Further, the connector 11 fitted into each of the engagement receiving portions 16a to 18a and 16b to 18b has an engagement projection 13 with the dovetail-shaped engagement receiving portions 16a to 18a and 16b to 18b. By being in the mating state, there is no danger that the connector 11 will come off in the direction in which the wires 1 and 2 are pulled out.
There is an effect that the connection accuracy between the two is improved. Further, the conductor 2 loaded in the square hole 19 of the terminal connector body 15
0 is detachable, so that when the conductor 20 is rusted or corroded, only the conductor 20 may be removed from the terminal connector body 15 and replaced, and the terminal connector body 15 is left as it is. Since it can be used, there is an effect that it can contribute to the recycling of parts.

Further, according to the first embodiment, the cover member 27 can be easily and firmly attached only by placing it on the terminal connector main body 15 and pressing it lightly.
Engagement receiving portions 16a to 18a and 1 of terminal connector body 15
When the connector 11 fitted into 6b to 18b is pressed by the sleeve walls 28 and 29 on both sides of the cover member 27,
There is an effect that the cover member 27 can be used also as a stopper for the connector 11. Further, when it becomes necessary to remove the cover member 27, there is an effect that the driver can be easily removed by inserting a screwdriver or the like into the notch 31 of the cover member 27.

Further, according to the first embodiment, since the connector 11 has the cylindrical crimping portion 12, the terminals of the electric wires 1 and 2 are inserted into the crimping portion 12, and the crimping portion 12 is inserted.
Has the effect that the connection of the connector 11 to the electric wires 1 and 2 can be performed simply by pressing the wire. Further, a plurality of connectors 11 such as, for example, two by two as shown in FIG. 2 are fitted into and engaged with each of the engagement receiving portions 16a to 18a and 16b to 18b of the terminal connector main body 15 in a stacked state. Without the need for crossover wiring,
A plurality of circuits can be branched from each pair of engagement receiving portions.

Embodiment 2 FIG. 5 is an assembly plan view showing a terminal connecting device according to a second embodiment of the present invention, and FIG.
It is a perspective view which shows the joining member which joins two terminal connector main bodies in a middle mutually. In the second embodiment, two terminal connector main bodies 15 described in the first embodiment and a terminal connector main body 15A having the same structure as the terminal connector main body 15 are prepared. The main bodies 15, 15A are joined and connected to each other in the longitudinal direction.
That is, when the end faces of the terminal connector main bodies 15, 15A are butt-joined to each other, the respective end dovetails 23, 23 coincide symmetrically between the joined end faces. By inserting the joining member 32 having a substantially drum-shaped cross-section as shown in FIG. 6 over each other, the terminal connector main bodies 15, 15A can be reliably connected to each other.

As described above, according to the second embodiment, the two terminal connector bodies 15 and 15A can be easily and reliably connected, and the number of poles can be arbitrarily set by arbitrarily setting the number of connection. There is an effect that the electric wire connection can be performed. For example, the two terminal connector main bodies 1
5 and 15A, one terminal connector main body 15 has three pairs of engagement receiving portions (dovetail grooves) 16a and 16b, 17a and 17
b, three poles provided with 18a and 18b,
The other terminal connector main body 15A is provided with two pairs of engagement receiving portions (dovetail grooves) 16a and 16b and 17a and 17b.
There is an effect that it is possible to obtain a unit terminal connector main body having an arbitrary number of poles of two or more using these two types of terminal connector main bodies 15 and 15A as basic units.

Embodiment 3 7 is an exploded perspective view showing a crimp terminal and a connector of an electric wire applied to a terminal connecting device according to a third embodiment of the present invention, and FIG. 8 is a sectional view showing the connector in FIG. In FIG. 7, reference numeral 33 denotes a crimp terminal attached to the end of each of the electric wires 1 and 2, 33a denotes an ocular hole of the crimp terminal 33, and 33b denotes a cylindrical crimp portion of the crimp terminal 33. The same existing crimp terminals 3 and 4 shown in FIG. 21 are used. 34 is a connector mounted on the crimp terminal 33, 35 is the connector 3
4 is an engagement projection provided at the tip of the engagement projection 3.
5 is an engagement receiving part 16a-18 of the terminal connector main body 15 of FIG.
a and 16b to 18b. Reference numeral 36 denotes a terminal fitting recess provided in the connector 34 and into which the crimp terminal 33 is fitted. Reference numeral 37 denotes an electrode of the connector 34. The electrode 37 extends from the bottom of the terminal fitting recess 36 to the engaging projection. It projects in the same direction as 35.

Numeral 38 denotes a screw hole provided at the bottom of the fitting recess 36, and numeral 39 denotes a screw for tightening the terminal.
9 through the hole 33a of the crimping terminal 33 and the connector 3
4 by screwing into the screw hole 38 of the crimp terminal 3.
3, the connector 34 is detachably attached.
Here, the connector 34 has at least the terminal fitting recess 3.
6 and the electrode 37 are formed of a conductive member such as a brass plate, and a hinge-type or slide-type insulating cover (not shown) is attached to the connector 34 so that the terminal 34 is attached to the terminal connector main body 15. Is designed so that the conducting part is not exposed.

That is, in the third embodiment, the electric wires 1 and 2 having the existing crimp terminals 33 are used, and the crimp terminals 3
3 is detachably attached to the connector 34 with a screw 39, and the connector 34 is attached to the first and second embodiments.
In the same manner as in the case of
a to 18a and 16b to 18b.

As described above, according to the third embodiment, the existing crimp terminal 33 can be used as it is,
Since the crimp terminal 33 and the connector 34 are detachable, there is an effect that the connector 34 can be used repeatedly.

Embodiment 4 FIG. 9 is an exploded perspective view showing a terminal connection device main body and a terminal number display cover applied to the terminal connection device according to Embodiment 4 of the present invention. In the figure, reference numeral 40 denotes a terminal number display cover detachably attached to the top of the terminal connector body 15, and the terminal number display cover 40 is made of an insulating transparent resin material having appropriate elasticity. 41 is an engagement piece formed on both sides in the longitudinal direction of the terminal number display cover 40; 42 is a cutout formed in the terminal number display cover 40 near the engagement piece 41 for inserting a tool such as a driver; Is an engagement hole provided inside the engagement projections 21 and 22 at the top of the terminal connector main body 15 so that the engagement piece 41 is removably fitted and engaged with the engagement hole 43. Has become.

That is, in the fourth embodiment, the terminal number display cover 40 is detachably attached to the top of the terminal connector main body 15 instead of the cover member 27 of the first embodiment. When installing it,
The terminal number display cover 40 is fitted into a groove formed between the engagement protrusions 21 and 22 on the top of the terminal connector main body 15,
At the time of fitting, the engagement piece 4 of the terminal number display cover 40
1 is engaged with the engagement hole 43 of the terminal connector main body 15. When removing the terminal number display cover 40, the terminal number cover 40 can be easily removed by inserting a tool such as a screwdriver into the cutout portion. The groove formed between the engaging projections 21 and 22 at the top of the terminal connector main body 15 is a dovetail groove, and both ends of the terminal number indicating cover 40 in the longitudinal direction are fitted into and engaged with the dovetail groove. Good.

As described above, according to the fourth embodiment, the connector 11 is connected to the engagement receiving portions 16a to 16c of the terminal connector main body 15 so as to match the terminal number displayed on the terminal number display cover 40. Since the wires 18a and 16b to 18b can be fitted and engaged, electric wire connection can be performed accurately. When two or more terminal connector bodies 15 are used in combination as shown in FIG. 5, when the display number is changed for changing the connection, only the terminal connector body that performs the display change is used. There is an effect that the number display cover 40 may be replaced.

Embodiment 5 10 is a perspective view showing an attachment for connecting multiple connectors applied to the terminal connection device according to the fifth embodiment of the present invention, FIG. 11 (a) is a plan view of FIG. 10, and FIG. 11 (b) is FIG. FIG. 11A is a front view of FIG.
11C is a rear view of FIG. 11A, and FIG.
It is a side view of (a). In FIG. 10, reference numeral 45 denotes an attachment for connecting multiple connectors, and the attachment 45 is formed in a case shape having an open top and front surface. Reference numerals 46, 47, and 48 denote dovetail-shaped engagement receiving portions for engaging and disengaging the engagement projections 35 of the connector 34 in a detachable manner. Reference numeral 49 denotes a side cutout dovetail groove provided on the upper end of the attachment 45. The cover mounting portion 50 is an attachment cover which is detachably attached to the cover mounting portion 49. The attachment cover 50 has a tapered shape on both sides in the longitudinal direction so as to slide and fit into the cover mounting portion 49 for dovetail connection. Is formed. Reference numeral 51 denotes a step protrusion formed on the back surface of the attachment cover, and the step protrusion 51 blocks the upper end openings of the engagement receiving portions 46, 47, and 48.

In FIG. 11, reference numerals 52, 53, and 54 denote engagement projections integrally projecting from the back surface of the attachment 45. These engagement projections 52, 53, and 54 correspond to those shown in FIGS. The engagement receiving portions 16a to 16c of the terminal connector main body 15 described in
It is formed in a dovetail shape that releasably matches each of 18a and 16b to 18b. 55, 56, 57 are the engagement receiving portions 46, 47, 48 and the engagement projections 52, 5;
The conductors 55, 56, and 57 are connected to the conductor 20 of the terminal connector main body 15 when the attachment 45 is attached to the terminal connector main body 15. is there.

FIG. 12 is a perspective view showing a state in which the attachment 45 shown in FIGS. 10 and 11 is assembled and set on the terminal connector main body 15, and FIG. 13 is a cover for forming a connector and a connector on the terminal connector main body of FIG. It is an assembly perspective view showing the state where the side cover for chemical conversion was attached. That is, in the fifth embodiment, the respective engagement receiving portions 46 and 4 of the attachment 45 are provided.
After fitting and engaging the engaging projections 35 of the connector 34 shown only in FIG. 10 with the fittings 7 and 48, respectively, the attachment cover 50 is slidably fitted to the cover mounting portion 49 of the attachment 45. The stepped projection 51 on the back surface of the attachment cover 50 forms the engagement receiving portion 4.
6, 47, and 48, the engagement convex portions 35 fitted and engaged.
Is pressed down to prevent the engaging projection 35 from slipping out, and a plurality of connectors 34 are attached to the attachment 45.
Into an assembly unit. The engagement projections 52, 53, 54 on the back surface of the attachment 45 in this state are engaged with the engagement receiving portions 16a to 18a and 16b to 18b of the terminal connector main body 15.
As shown in FIG. 12, two attachments 45 are removably mounted on both sides of the terminal connector main body 15 in the longitudinal direction.
Although the connector 34 shown in FIG. 7 is applied in the fifth embodiment, the connector 11 shown in FIG. 1 may be used instead of the connector 34.

In FIG. 12, reference numeral 58 denotes the terminal connector main body 1.
5 is a dovetail groove formed on the back surface of the connectorization cover 58 so as to be detachably attached to the top of the connector connection cover 5. , 22 are removably fitted and engaged, so that the connectorization cover 58 is detachably attached to the terminal connector body 15, and the attached connectorization cover 58 is attached to the terminal connector body 15. The two set attachments 45 are pressed from above to prevent the attachments 45 from falling off. Reference numeral 60 denotes a dovetail-shaped notch engaging portion provided at both ends of the cover 58 for connectorization, and the notch engaging portion 60 is aligned with the dovetail groove 23 at the end of the terminal connector main body 15. 61 is a side cover for connectorization detachably attached to both ends of the terminal connector main body 15;
Is an engaging projection provided on the back surface of the connector-forming side cover. The engaging projection 62 is formed by a notch engaging portion 60 of the connector-forming cover 58 and an end dovetail groove of the terminal connector body 15. The two attachments 45 attached and set to the terminal connector main body 15 are sandwiched between both end faces by fitting and engaging with the fitting 23, thereby preventing the attachment cover 50 from being displaced or falling off.

As described above, according to the fifth embodiment, the terminal connector main body 15 is a female connector, and
The attachment 45 can be used as a male-side connector, the connector 34 can be prevented from falling off from the attachment 45 by the attachment cover 50, and the attachment 45 can be prevented from coming out of the terminal connector main body 15 by the cover 58 for connectorization. There is an effect that the cover 50 and the connector-forming cover 58 can be prevented from coming off by the connector-forming side cover 61.

Embodiment 6 FIG. FIG. 14 is a perspective view partially showing a lower portion of a terminal connector main body applied to a terminal connector according to a sixth embodiment of the present invention, and FIG. 15 is a perspective view showing a wedge in FIG. In the figure, reference numeral 63 denotes a rail attaching / detaching lever 2 attached to the bottom side of the terminal connector main body 15.
A wedge for holding the lock 6 at the fixed release position of the DIN rail 25 (see FIG. 1), 64 is a retaining bent piece formed with a thick end of the wedge 63, and 65 is a retaining bent piece thereof. A step-shaped notch for prevention formed in the vicinity of the portion 64;
Is a slit provided in the wedge 63, and this slit 66 is adapted to be fitted into the thickness of the rail attaching / detaching lever 26. That is, in the sixth embodiment, FIG.
As shown in FIG. 5, a bent piece 26a of a rail attaching / detaching lever 26 for fastening a DIN rail 25 detachably attached to the bottom of the terminal connector main body 15 to the terminal connector main body 15 and the terminal connection. The wedge 63 is inserted between the front wall of the container body 15 and the slit 66 of the wedge 63 is fitted into the thickness of the rail attaching / detaching lever 26, and the notch 65 for preventing the wedge 63 from being detached is attached to the rail. The rail attaching / detaching lever 26 is fitted into the bent piece portion 26a of the connecting lever 26 so that the rail attaching / detaching lever 26 is connected to the terminal connector main body 15.
The DIN rail 25 is held at the tightening release position with respect to the.

As described above, according to the sixth embodiment, the DIN rail 25 can be easily attached and detached only by operating the rail attaching / detaching lever 26 at one location by using the wedge 63. The wedge 63 inserted into the rail attaching / detaching lever 26 has a retaining notch 65.
There is an effect that it is difficult to fall off by the engagement between the rail and the rail attaching / detaching lever 26.

Embodiment 7 FIG. FIG. 16A is a side view showing a use state of the connector attaching / detaching tool provided in the terminal connection device according to the seventh embodiment of the present invention, and FIG.
17 (a) is a partial front view, FIG. 17 (a) is a side view showing a different use state of FIG. 16 (a), and FIG. 17 (b) is FIG.
It is a partial front view of (a). In the figure, reference numeral 70 denotes a connector attachment / detachment tool. The connector attachment / detachment tool 70 has a configuration in which a pair of connector hooking levers 73 and 74 having grips 71 and 72 at upper ends are slidably combined with each other. At the lower ends of the levers 73 and 74, hook pieces 73a and 74a are formed by bending. More specifically, each of the levers 73 and 74 has a forked shape, and the forked portion is formed as a slit 75 for releasing an electric wire. The lever 7
3 and 74, one of the levers 73 is formed of a groove-shaped member having a groove open end opposed to the slit 75, and the other lever 74 is slidably fitted in the groove.

The connector attaching / detaching tool 70 thus configured
When the grips 71, 72 are opened, the hook pieces 73a, 74a at the lower ends of the levers 73, 74 close, and the grips 71, 7 are closed.
When the cover 2 is closed, the hook pieces 73a and 74a are opened.

Next, the operation will be described. First, when the connector 11 or 34 is attached to the terminal connector main body 15, the engaging protrusion 13 of the connector 11 or 34 is provided above the engagement receiving portions 16a to 18a and 16b to 18b of the terminal connector main body 15. 35 is properly fitted and engaged.
In this state, the grip 7 of the connector attaching / detaching tool 70
1 and 72 are closed and the hook pieces 73 at the lower ends of the levers 73 and 74 are closed.
a and 74a are opened. Thereby, one of the hook pieces 73a opened upward is applied to the upper surface of the connector 11 or 34, or the connector 11 or 34 is chucked and pushed by the hook pieces 73a, 74a.

Next, as described above, the terminal connector main body 1
In order to remove the connector 11 or 34 attached and set to the connector 5, first, the grip 7 of the connector attaching / detaching tool 70
The hook pieces 73a, 74a are closed, and the hook pieces 73a, 74a are inserted into the lower portion of the connector 11 or 34. In this case, the terminal connector body 15
Since there is a gap between the lower surface of the connector 11 or 34 located at the lowermost part of the engagement receiving portions 16a to 18a and 16b to 18b and the lower end base portion of the terminal connector main body 15, Using the gaps, the hook pieces 73a, 74
a can be easily inserted.

In the inserted state, the grip 7
When the closing pieces 1 and 72 are closed, the hook pieces 73a and 74a are opened and one hook piece 73a is raised as shown in FIG. 17, whereby the connector 11 or 34 is lifted by the hook pieces 73a. It is removed from the terminal connector body 15.

As described above, according to the seventh embodiment, the connector 11 or 34 for the terminal connector main body 15 is provided.
There is an effect that the attachment / detachment work can be performed safely and finely.

Embodiment 8 FIG. FIG. 18 is a perspective view showing a jig for attaching and detaching crimp terminals provided in the terminal connection device according to Embodiment 8 of the present invention. In the drawing, reference numeral 80 denotes a jig for attaching and detaching crimp terminals, 81 denotes a jig base thereof, and 82 denotes a concave notch formed by integrally projecting a U-shaped member on the jig base 81. The connector 34 shown in FIG. 7 is detachably fitted into and fixed to the concave notch 82, so that the crimp terminal 33 can be attached to and detached from the connector 34.

As described above, according to the eighth embodiment, the connector 34 is fitted and fixed in the recess 82 of the jig 80, and the crimp terminal 33 is attached to the fixed connector 34. Since the screw 39 can be tightened or the screw 39 can be removed, there is an effect that the work of attaching and detaching the crimp terminal 33 and the connector 34 can be easily performed.

Embodiment 9 FIG. 19 is a perspective view showing a terminal connecting device according to a ninth embodiment of the present invention, and FIG.
It is a top view which shows the electric wire connection state by the terminal connection device of No. 9. In the figure, reference numeral 90 denotes a terminal connector main body for connecting a single electric wire, and the terminal connector main body 90 is made of a member having a substantially concave cross section. 91 and 92 are terminal connector main bodies 90
The two side walls 93 and 94 are a pair of V-shaped connector engagement grooves protrudingly formed in the middle of the inner side surfaces of the two side walls 91 and 92, and 95 and 96 are the both side walls 91 and 92. A cover mounting notch engaging portion 97 formed in a stepped shape on the inner surface of the upper end of the cover 97 is a cover that slides and engages with the cover mounting notch engaging portions 95 and 96, and both sides of the cover 97 are the cover. It is formed in a tapered shape that matches the mounting notch engagement portions 95 and 96.

In the ninth embodiment, one single electric wire 1
And the engaging projections 13 or 35 of the connector 11 or 34 of the other single wire 2 respectively.
Is removably fitted into and engaged with the connector engagement grooves 93 and 94 of the terminal connector main body 90, so that the respective connectors 11 or 34 of both the single electric wires 1 and 2 are butt-joined and joined to each other. After the connection, the cover 97 is slidably engaged with the cover mounting notches 95 and 96 of the terminal connector main body 90, and the cover 97 presses the two connectors 11 or 34. Things.

As described above, according to the ninth embodiment, the structure of the terminal connector main body 90 can be simplified, and
The electric connection between the single electric wires 1 and 2 can be easily and accurately performed, and the cover 97 prevents the connector 11 or 34 fitted in the terminal connector main body 90 from falling off. .

[0071]

As described above, according to the present invention, at least one pair of electrically-conductive terminal-receiving engagement receiving portions is provided on the terminal connector main body, and these engagement receiving portions are provided on these engagement receiving portions. On the other hand, the connectors connected to the terminals of the wires to be connected are respectively fitted, and each of the connectors is engaged with the engagement receiving portion in the wire withdrawing direction, and the connectors are connected to each other. Since it was configured to be electrically connected, just fitting the connector into the engagement receiving portion and engaging it,
There is an effect that electric wire connection work can be easily performed without the need for screwing.

According to the present invention, the terminal connector main body is provided with the dovetail-shaped engaging recess as the engaging receiving portion, and the connector is detachably fitted into the engaging recess and engaged. With the configuration having a portion, the wire connection work can be performed more easily and firmly without the need for screwing and skill, simply by fitting and engaging the engagement projection of the connector into the engagement recess of the terminal connector. There is an effect that can be.

According to the present invention, the terminal connector main body is made of an electrically insulating material, and the conductor for electrically connecting the engagement receiving portions to each other is detachably attached to the terminal connector main body. With the configuration, when the conductor is rusted or corroded, etc., only the conductor needs to be removed from the terminal connector body and replaced, and the terminal connector body can be used as it is, so that the parts can be recycled. There is an effect that can contribute.

According to the present invention, the connector fitted into and engaged with the engagement receiving portion of the terminal connector main body is pressed by the cover member of the terminal connector main body. There is an effect that can also be used as a stop.

According to the present invention, since the terminal number display cover is detachably attached to the terminal connector main body, the connector is connected to the terminal so that the terminal number matches the terminal number displayed on the terminal number display cover. This can be fitted and engaged with the engagement receiving portion of the container main body, so that there is an effect that the electric wire connection that does not require screwing can be accurately performed without making a mistake. Further, when the display number is changed to change the connection when two or more terminal connector bodies are used in combination, there is an effect that the terminal number display cover of only the terminal connector body for which the display is changed needs to be replaced. is there.

According to the present invention, since a plurality of connectors can be fitted and engaged with each of the engagement receiving portions of the terminal connector main body, a plurality of connections can be made for each of the engagement receiving portions. By fitting and engaging the child, there is an effect that the electric wires can be easily connected to branch out a plurality of circuits without the need for a crossover wiring.

According to the present invention, there is provided a structure having a jig for pushing in / out of the crimp terminal for pushing the connector into the engagement receiving portion of the terminal connector main body and pushing out the connector from the engagement receiving portion. Therefore, there is an effect that the attachment / detachment work of the connector to / from the terminal connector main body can be easily performed by the jig.

According to the present invention, a plurality of terminal connector main bodies are combined and joined in the lateral direction to form a unit terminal connector which can arbitrarily increase the number of poles. By combining and connecting the connector body for two poles and the other terminal connector body for three poles, a unit terminal connector having an arbitrary number of poles of two or more is obtained with the two terminal connector bodies. There is an effect that can be.

According to the present invention, an end dovetail is provided on each end face to be joined of a plurality of terminal connector main bodies to be joined in a lateral direction, and the end dovetails are opposed to each other and matched. Since the connecting members are to be connected to each other by inserting the connecting member into the dovetail groove, the number of poles that can easily and firmly connect a plurality of the terminal connecting bodies can be arbitrarily increased. effective.

According to the present invention, the DIN rail detachably attached to the bottom of the terminal connector main body, and the DIN rail
A rail attaching / detaching lever for tightening and fixing the N rail to the terminal connector main body, and the rail attaching / detaching lever being held by a wedge at a tightening release position of the DIN rail with respect to the terminal connector main body, There is an effect that the work of attaching and detaching the DIN rail to and from the terminal connector main body can be easily and efficiently performed.

According to the present invention, since the connector has the crimping portion for fitting and crimping the terminal of the electric wire, the connector can be easily and firmly attached to the terminal of the electric wire.

According to the present invention, the crimp terminal crimped to the terminal of the electric wire is detachably attached to the connector, so that the existing crimp terminal can be used as it is and the connector can be easily connected to the connector. is there.

According to the present invention, the jig for attaching / detaching the crimp terminal provided with the concave notch for detachably fitting and fixing the connector connected to the crimp terminal is provided. This has the effect that the connector and the crimp terminal can be easily attached and detached in a state where the connector is fitted and fixed in the recessed portion of the tool.

According to the present invention, a plurality of connectors connected to the ends of the electric wires are set and attached to the attachment for connecting multiple connectors, and the attachment is detachably attached to the terminal connector main body. With the configuration, an attachment on which a plurality of connectors are attached and set can be used as a male connector, and the terminal connector main body to which the attachment is attached can be used as a female connector.
There is an effect that a connector that does not require complicated electric wire connection can be configured.

According to the present invention, since the plurality of connectors attached to the attachment are pressed by the attachment cover, the attachment cover attached to the attachment can be prevented from falling off by the attachment cover. There is.

According to the present invention, the attachment detachably attached to the terminal connector main body is further pressed by the connector cover together with the attachment cover, so that the attachment and the attachment cover attached to the terminal connector main body are provided. There is an effect that the connector can be prevented from falling off.

According to the present invention, the pair of connectors respectively connected to the ends of the single electric wires to be connected to each other are fitted into the terminal connector main body having a substantially concave cross-section and butt-joined. There is an effect that the electrical connection between the single electric wires, which does not require the stop and the skill, can be easily performed, and the configuration of the terminal connector main body can be simplified.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a terminal connection device according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing an assembled state of FIG. 1;

FIG. 3 is a plan view of FIG. 2;

FIG. 4 is a sectional view showing a connector in FIG. 1;

FIG. 5 is an assembly plan view showing a terminal connection device according to a second embodiment of the present invention.

6 is a perspective view showing a joining member for jointing two terminal connectors in FIG. 5 with each other.

FIG. 7 is an exploded perspective view showing a crimp terminal and a connector of an electric wire applied to a terminal connection device according to a third embodiment of the present invention.

FIG. 8 is a sectional view showing a connector in FIG. 7;

FIG. 9 is an exploded perspective view showing a terminal connection device according to a fourth embodiment of the present invention.

FIG. 10 is a perspective view showing an attachment for connecting multiple connectors applied to a terminal connection device according to a fifth embodiment of the present invention.

11A is a plan view of FIG. 10, and FIG. 11B is a plan view of FIG.
11A is a front view, FIG. 11C is a rear view of FIG.
FIG. 12D is a side view of FIG.

FIG. 12 is a perspective view showing a state where the attachment shown in FIGS. 10 and 11 is assembled and set on a terminal connector main body.

13 is an assembled perspective view showing a state where a connector cover and a connector side cover are attached to the terminal connector main body of FIG. 12;

FIG. 14 is a perspective view partially showing a lower portion of a terminal connector main body applied to a terminal connection device according to a sixth embodiment of the present invention.

FIG. 15 is a perspective view showing a wedge in FIG. 14;

FIG. 16A is a side view showing a use state of a connector attaching / detaching tool provided in a terminal connection device according to a seventh embodiment of the present invention, and FIG. 16B is a partial front view of FIG.

17 (a) is a side view showing a different use state of FIG. 16 (a), and FIG. 17 (b) is a partial front view of FIG. 17 (a).

FIG. 18 is a perspective view showing a jig for attaching and detaching crimp terminals provided in a terminal connection device according to an eighth embodiment of the present invention.

FIG. 19 is a perspective view showing a terminal connecting device according to a ninth embodiment of the present invention.

20 is a plan view showing the electric wire connection state of FIG.

FIG. 21 is a perspective view showing a conventional terminal connection device using a terminal block.

FIG. 22 is a perspective view showing a conventional terminal connection device using a connector.

[Explanation of symbols]

1, 2, electric wire, 11, 34 connector, 12 crimping part, 1
3 engagement projection, 15, 90 terminal connector body, 16a,
16b, 17a, 17b, 18a, 18b engagement receiving portion,
20 conductors, 23 dovetails at end, 25 DIN rail, 2
6 rail mounting / detaching lever, 27 cover member, 32 joining member 33 crimp terminal, 40 terminal number display cover,
45 attachments, 50 attachment covers,
58 Cover for connectorization, 63 wedges, 80 jigs.

Claims (17)

[Claims] 1. A terminal connecting device for electrically connecting at least a pair of electric wires, a connector connected to each end of the electric wire, a terminal connector main body to which the connector is to be attached, and the terminal connector main body. Are provided, and each of the connectors is fitted and engaged in the wire withdrawing direction, and
A terminal connection device comprising: at least one pair of terminal receiving engagement receiving portions for electrically connecting the connectors. 2. The terminal connector main body has a dovetail-shaped engaging recess as an engaging receiving portion, and the connector has an engaging convex portion detachably fitted into and engaged with the engaging recess. The terminal connection device according to claim 1, wherein the terminal connection device is provided. 3. The terminal connector body is made of an electrically insulating material.
3. The terminal connecting device according to claim 1, wherein a conductor for electrically connecting the engagement receiving portions to each other is detachably attached. 4. The terminal connector main body is provided with a detachable cover member for retaining a connector that is fitted into each of the engagement receiving portions and presses the engaged connector. Any one of items 1 to 3
The terminal connection device according to the item. 5. The terminal connection device according to claim 1, wherein a terminal number display cover is detachably attached to the terminal connection device body. 6. The terminal according to claim 1, wherein a plurality of connectors are fitted into and engageable with one of the engagement receiving portions. Connection device. 7. The connector according to claim 1, further comprising a connector attaching / detaching jig for pushing the connector into the engagement receiving portion and pushing out the connector from the engagement receiving portion. The terminal connection device according to any one of claims 2, 4, and 6. 8. The terminal connector main body, wherein a plurality of the terminal connector main bodies are combined and joined in a lateral direction to form a unit terminal connector main body capable of arbitrarily increasing the number of poles.
The terminal connection device according to any one of claims 1 to 5. 9. The terminal dovetail body is provided with an end dovetail groove in a joint end face thereof, and a plurality of terminal connector body bodies are connected by a joining member inserted into the end dovetail groove. The terminal connection device according to claim 8. 10. A terminal connector main body, a DIN rail detachably attached to a bottom portion thereof, a rail attaching / detaching lever for fastening the DIN rail to the terminal connector main body, and a rail attaching / detaching lever attached to the DIN rail. The terminal connection device according to any one of claims 1 to 5, further comprising: a wedge that is held at a rail release position. 11. The connector according to claim 1, wherein the connector has a crimping portion for fitting and crimping the terminal of the electric wire. 1
The terminal connection device according to the item. 12. The connector according to claim 1, wherein a crimp terminal crimped to an end of the wire is detachably attached to the connector. 2. The terminal connection device according to claim 1. 13. A crimp terminal attaching / detaching jig provided with a concave notch for detachably fitting and fixing a connector connected to the crimp terminal.
2. The terminal connection device according to 2. 14. A terminal connection device for electrically connecting a plurality of pairs of electric wires, wherein a connector connected to an end of each of the electric wires, and each of the connectors is detachably fitted to each other in a wire pulling direction. A pair of attachments that are engaged and a plurality of the connectors are assembled in a multiple unit state, a terminal connector main body to which the attachment is to be attached, and both terminal attachments are provided on the terminal connector main body. By being fitted and engaged as much as possible,
A terminal connection device comprising: an attachment engagement receiving portion that electrically connects the pair of connectors with each other via the attachment. 15. The attachment according to claim 1, wherein an attachment cover for holding a plurality of connectors attached thereto is detachably attached to the attachment.
5. The terminal connection device according to 4. 16. The terminal connector body, wherein a connector cover for holding an attachment attached thereto is detachably attached.
5. The terminal connection device according to 4. 17. A terminal connecting device for electrically connecting a pair of single electric wires, a connector connected to each terminal of the single electric wire, and a terminal having a substantially concave cross section to which these connectors are to be attached. A connector main body, and an engagement receiving portion provided in the terminal connector main body, wherein the two connectors are fitted and engaged in a single wire pull-out direction, and the two connectors are butt-joined to each other. Terminal connection device provided with.