JPH06230808A - Side part connection type programmable controller unit - Google Patents

Abstract

PURPOSE:To attach/detach a unit with high workability without requiring a base member, a screw and a tool. CONSTITUTION:A return stop-like connection claw 5 is projectively formed on the one side part of a box-like unit body 1 and a connection claw engaging hole 7 is opened on the other side part of the body 1. A groove part 9 extended so as to cross the hole 7 is formed on the body 1 and a lock slider 11 to be slided between a locking position where the slider 11 is engaged with a return stop shape part 3 for the claw 5 inserted into the hole 7 and an unlocking position where the slider 11 is unlocked from the shape part 3 is loaded on the groove part 9 so as to be slided. A finger fitting operating price 17 to be operated from the outside of the body 1 is fixed to the slider 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a side connection type programmable controller unit, and more particularly to a side connection type programmable controller unit having a side interconnection structure.

[0002]

2. Description of the Related Art Power supply unit, CPU unit, I / O
As a unit, a programmable controller unit of a side-linking type is known in which a programmable controller unit of each function is arranged adjacent to each other on a side portion thereof and is connected to each other, thereby constructing one programmable controller having a building block structure. Has been.

Conventionally, each of the programmable controller units is fixedly mounted on a base member by screws and connected to each other via the base member.

[0004]

The conventional connecting structure for programmable controller units as described above requires a base member, and each programmable controller unit is screwed to the base member. Screws, tools are needed, their installation,
The workability of removal is poor, and there is a drawback that it takes time to replace the unit.

The present invention has been made by paying attention to the above-mentioned problems in the conventional connecting structure for a programmable controller unit, and the mounting of the unit without the need for a base member, screws and tools, It is an object of the present invention to provide a side connection type programmable controller unit with a side interconnection structure which is improved so that removal can be performed efficiently.

[0006]

According to the present invention, a detent-shaped connecting claw is projectingly formed on one side of a box-shaped unit body, and the other side of the unit body is provided. A connection claw engagement hole is opened in the portion, a groove portion is formed in the unit body so as to extend across the connection claw engagement hole, and the connection portion inserted in the connection claw engagement hole is formed in the groove portion. A movable lock slider is slidably mounted between the lock position where the detent shape of the pawl is engaged with the detent shape and the lock release position where the detent shape of the detent shape is released and the lock slider is slidably mounted. The slider is provided with a finger contact operator that is operated from the outside of the unit body, which is achieved by a side connecting type programmable controller unit.

[0007]

According to the above-described structure, when connecting the units, the other unit body is adjacent to the side portion of one unit body, and the connection claw of the other unit body is connected to the one unit body. Insert it into the connection claw engagement hole, and move the lock slider from the unlocked position to the lock position with the finger contact operator from the outside of the unit body, and engage the lock slider with the detent shape of the connection claw. Let

As a result, a plurality of unit bodies adjacent to each other are directly connected to each other.

At the time of disconnecting the unit, the lock slider is moved from the lock position to the lock release position by a finger contact operator from the outside of the unit body, and the lock slider is disengaged from the retaining engagement with the detent shape portion of the connecting pawl. , The connection claw inserted in the connection claw engagement hole is pulled out from this.

[0010]

Embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

1 to 3 show an embodiment of a side connecting type programmable controller unit according to the present invention. In these figures, reference characters A and B respectively indicate programmable controller units. The programmable controller units A and B are different from each other in the built-in programmable controller functional devices, but are the same in the shape and size of the unit body 1 and the side interconnection structure provided in each unit. is there.

The unit main body 1 has a box shape, and one side of the unit main body 1 has its upper, lower, left and right sides (up, down, front and rear).
Connecting claws 5 each having a jaw-shaped detent-shaped portion 3 are formed to project at four positions.

On the other side portion of the unit main body 1, square connecting claw engaging holes 7 are opened at four positions in the upper, lower, left and right directions (up, down, front and rear).

The connecting claw 5 and the connecting claw engaging hole 7 are formed at positions corresponding to each other, and for example, the unit body 1 of the programmable controller unit A and the unit body 1 of the programmable controller unit B are aligned and joined to each other. By doing so, each connection claw 5 is inserted into each connection claw engagement hole 7.

In the illustrated embodiment, the right (rear) connecting claw 5 and the connecting claw engaging hole 7 and the left (front) connecting claw 5 and the connecting claw engaging hole 7 are arranged at different positions. And has a fool proof that prevents the unit bodies 1 from being joined upside down.

Slit-shaped grooves 9 are formed on the upper and lower sides of the unit body 1 so as to extend across the left and right connecting claw engaging holes 7 in the left-right direction (front-back direction). A lock slider 11 is slidably engaged in each of the grooves 9 in the extending direction of the groove 9, that is, in the left-right direction. The lock slider 11 has a retaining claw 13 that slides on the step portion 1a of the unit body 1. It is prevented from coming off by engaging as much as possible.

The lock slider 11 includes two locking piece portions 1.
5 and a finger-contacting manipulator 17 located outside the groove 9 and operated from the outside of the unit main body 1. The two locking pieces 15 are aligned with the left and right connecting claw engaging holes 7, respectively. The locking position (the position of the lower lock slider 11 in FIG. 2) that engages with the detent-shaped portion 3 of the connection claw 5 inserted into the connection claw engagement hole 7 and the two locking pieces. The portions 15 are spaced apart from the alignment positions of the left and right connection claw engagement holes 7, respectively, and the opening 19 of the lock slider 11 is aligned with the connection claw engagement hole 7, and the locking piece 15 is a detent shape of the connection claw 5. It is movable to and from a lock release position (position of the upper lock slider 11 in FIG. 2) which is disengaged from the disengagement prevention engagement with the portion 3, and the finger contact operation element 17 holds the lock position and the lock position. It is driven manually between the release position.

The lock slider 11 is provided with a click stop piece 23 having a click stop projection 21 at its tip, and the unit body 1 is provided with click stop recesses 25 and 27.
Is located in the lock position, the click stop projection 21 engages with the click stop recess 25, and when the lock slider 11 is located in the unlock position, the click stop projection 21. Engages the click stop recess 27. As a result, the lock slider 11 is stably maintained at the moving position at either the lock position or the lock release position.

According to the above-mentioned structure, when connecting the units, one unit main body 1, for example, the programmable controller unit B is placed with the lock slider 11 of each unit main body 1 in the unlocked position. Another one of the unit bodies 1, for example, the unit body 1 of the programmable controller unit A is adjacent to the side portion of the unit body 1, and each connection claw 5 of the unit body 1 of the programmable controller unit A is connected to the programmable controller unit B. It is inserted into each connection claw engagement hole 7 of the unit main body 1, and the two upper and lower lock sliders 11 are manually moved from the lock release position to the lock position by a finger contact operation element 17 from the outside of the unit main body 1.

As a result, the locking piece portion 15 of each lock slider 11 engages with the detent-shaped portion 3 of the connecting claw 5 inserted into the connecting claw engaging hole 7 so as to prevent the connecting claw 5 from connecting. The unit body 1 of the programmable controller unit A and the unit body 1 of the programmable controller unit B are directly connected to each other in a state where they cannot come out of the engagement holes 7.

When disconnecting the unit, for example, the unit body 1 of the programmable controller unit A
The upper and lower lock sliders 11 are respectively moved from the lock position to the lock release position with the finger contact operation element 17 from outside.

As a result, the locking piece portions 15 of the lock sliders 11 are separated from the respective alignment positions with the connection claw engagement holes 7 so that the openings 19 of the lock sliders 11 are aligned with the connection claw engagement holes 7. The locking piece 15 is disengaged from the retaining engagement with the detent-shaped portion 3 of the connecting claw 5, and the connecting claw 5 is connected to the connecting claw engaging hole 7
When the connection claw 5 inserted into the connection claw engagement hole 7 is pulled out further from this state, the unit body 1 of the programmable controller unit A and the unit body 1 of the programmable controller unit B are separated from each other. Is separated.

In the above embodiment, the two units A and B for the programmable controller have been described, but this unit connection can directly connect two or more units infinitely one after another.

[0024]

As can be understood from the above description, according to the side connecting type programmable controller unit of the present invention, a plurality of unit bodies adjacent to each other are mutually operated by manual operation of the lock slider. Since it is directly connected and disconnected, the base member, screws,
The unit can be attached and detached with good workability without using a tool.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a side connection type programmable controller unit according to the present invention.

FIG. 2 is a side view showing an embodiment of a side connection type programmable controller unit according to the present invention.

FIG. 3 is an enlarged sectional view taken along line III-III in FIG.

[Explanation of symbols]

 1 Unit Main Body 3 Detent Shape 5 Connection Claw 7 Connection Claw Engagement Hole 9 Groove 11 Lock Slider 15 Locking Piece 17 Finger Touch Operator 21 Click Stop Protrusion 25 Click Stop Recessed 27 Click Stop Recessed

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Jun Yamane 10 Ouron Co., Ltd.

Claims (1)

[Claims] 1. A box-shaped unit main body is provided with a detent-shaped connecting claw projecting on one side, and a connecting claw engaging hole is opened on the other side of the unit main body. A groove portion that extends across the connection pawl engagement hole is formed in the groove, and the groove portion has a lock position for locking the detent shape of the connection pawl inserted in the connection pawl engagement hole to prevent the engagement. A movable lock slider is slidably mounted between the detent shape portion and a lock release position for releasing the retaining engagement, and a finger contact operator operated from outside the unit body is attached to the lock slider. A side-connection type programmable controller unit, which is provided.