JPH0325471Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field This invention is a method for installing an electrical box in a solenoid valve in which an electrical box for connecting the solenoid to an external power source is attached to the top surface of the solenoid valve body with a solenoid attached to the side. Regarding equipment.

Problems to be solved by conventional technology and ideas For example, a solenoid valve has a solenoid mounted on the side that drives a spool for port switching, and an electrical box for connecting the solenoid to an external power source on the top surface of the solenoid valve body. This solenoid valve is used by being attached to a mounting member such as a manifold or a mounting plate.

By the way, the conventional method for attaching the electrical equipment box to the solenoid valve body is to form an insertion hole in the bottom plate of the electrical equipment box and insert the solenoid valve main body into this insertion hole, as described in Japanese Utility Model Publication No. 58-35905. A method of fixing the electrical box to the solenoid valve body by inserting a screw other than the mounting screw that fixes the electrical box to the mounting member and screwing this screw into a screw hole formed on the top surface of the solenoid valve body. However, with this method, the wires inside the electrical box get in the way when tightening the screws, making it difficult to work, and when the electrical box is removed, the wires deposited on the top surface of the electrical box get in the way. It is necessary to remove the cover plate, which is troublesome, and it is also necessary to seal between the screws and the insertion holes to prevent oil from entering the electrical equipment box, making the structure complicated.

Means for Solving the Problems As a means for solving the above problems, the electrical equipment box mounting device for a solenoid valve of the present invention has a protrusion having an insertion hole formed on the side surface of the electrical equipment box, and the insertion hole A screw inserted through the electromagnetic valve body is screwed into a screw hole formed on the upper surface of the electromagnetic valve body, and the cover plate of the electrical equipment box is fixed to the electrical equipment box using another screw.

Functions and Effects The present invention has the above-mentioned structure, and since the screw is passed through the insertion hole of the protrusion formed on the side of the electrical box and screwed into the screw hole on the top surface of the solenoid valve body, it can be inserted into the electrical box. Tightening work can be done quickly without being hindered by connecting wires like when tightening screws, and when removing the electrical box, the cover plate attached to the top of the electrical box can be removed. It can be easily removed by loosening the screws while still attached, and the insertion holes for screws are formed in the protrusion on the side of the electrical box, and there are no holes for screws in the bottom plate of the electrical box. Because of this, there is no need to install a sealing member to prevent oil from entering the electrical box, and the structure is simple, and the cover plate can be attached to the electrical box by using screws that fix the electrical box to the solenoid valve body and separate screws. Since the electrical equipment box is fixed to the solenoid valve body, the cover plate can be removed to inspect and repair the inside of the electrical equipment box while the electrical equipment box is fixed to the solenoid valve body.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 and 2.

In the figure, reference numeral 1 is a solenoid valve, and an electrical box 3 made of synthetic resin is attached to the top surface of a metal solenoid valve body 2. From the plug holes 5, 5,
A connecting wire (not shown) connected to an external power source is inserted and connected to a connecting terminal in the electrical box 3, and a cover plate 4 is fixed to the top surface of the electrical box 3 with screws 4a. Solenoids 8, 8 for driving the spool are attached to both end faces of the valve body 2, and a pin terminal (not shown) connected to the coil of the solenoid 8 is inserted into the insertion hole 9 below the plug hole 5 of the electrical equipment box 3. The solenoid valve 1 is inserted into a total of four through holes 10 formed on both side edges of the solenoid valve body 2. The mounting screw 11 is screwed into a screw hole formed on the top surface of the manifold 12 and tightened to be fixed to the top surface of the manifold 12.

The structure of the attachment part between the electrical equipment box 3 and the solenoid valve main body 2 in this embodiment is such that the electrical equipment box 3 has protrusions 1 at both ends of both end faces.
5 are formed from the upper surface to the lower surface of the electrical equipment box 3, and each protrusion 15 is formed with a vertical insertion hole 16, and the above-mentioned insertion holes 16 at the four corners of the upper surface of the solenoid valve main body 2 are formed. Screw holes 17 are formed at matching positions, and a screw 1 is inserted into each insertion hole 16.
8, and by screwing the tip of this screw 18 into the screw hole 17 and tightening it, the solenoid valve body 2
An electrical equipment box 3 is fixed to the top surface of the .

As described above, in this embodiment, the screw 18 is passed through the insertion hole 16 of the protrusion 15 formed on the side surface of the electrical equipment box 3, and is screwed into the screw hole 17 on the top surface of the electromagnetic valve body 2. The tightening work can be done quickly without being disturbed by the connecting wires unlike when tightening screws inside the electrical box 3.
When removing the electrical equipment box 3, it can be easily removed by simply loosening the screws 18 with the cover plate 4 still attached.In addition, an insertion hole 16 through which the screw 18 is inserted is formed in the protrusion 15 on the side of the electrical equipment box 3. Since no screw insertion holes are formed in the bottom plate of the electrical equipment box 3, there is no need to apply a seal to prevent oil from entering the electrical equipment box 3.

FIG. 3 shows another embodiment of the present invention, in which insertion holes 26 are provided on the bottom side of both ends of both sides of the electrical equipment box 3.
Similarly, a screw 28 is inserted into the insertion hole 26 and screwed into the screw hole 17 of the solenoid valve main body 2, and compared to the previous embodiment, , there is the advantage that short screws 28 can be used.

[Brief explanation of drawings]

FIG. 1 is a front view of one embodiment of the present invention, FIG. 2 is an exploded perspective view thereof, and FIG. 3 is an exploded perspective view of another embodiment. 1...Solenoid valve, 2...Solenoid valve body, 3...Electrical box, 8...Solenoid, 15...Protrusion, 16...
Insertion hole, 17...screw hole, 18...screw, 25...
... protrusion, 26 ... insertion hole, 28 ... screw.

Claims (1)

[Scope of utility model registration request] In a solenoid valve in which an electrical equipment box for connecting the solenoid to an external power supply is attached to the upper surface of the electromagnetic valve body with a solenoid mounted on the side surface, a protrusion having an insertion hole is formed on the side surface of the electrical equipment box, and a protrusion having an insertion hole is formed on the side surface of the electrical equipment box, An electrical component for a solenoid valve, characterized in that a screw inserted through the hole is formed on the upper surface of the solenoid valve body and screwed into the screw hole, and a cover plate of the electrical component box is fixed to the electrical component box with another screw. Box mounting device.