JPH058698Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a solenoid valve used in industrial machines that utilize fluid pressure and vacuum pressure.

[Prior Art] Conventionally, power was supplied to solenoid valves by connecting a power supply line to a terminal of each solenoid valve. Therefore, especially when multiple solenoid valves are installed in parallel on a manifold in order to centrally manage multiple solenoid valves, it is necessary to connect a large number of power supply lines to each solenoid valve. So,
Not only does the wiring work require a lot of time, but also wiring errors are likely to occur.

[Problem to be solved by the invention] The invention focuses on the fact that when a solenoid valve is installed on a manifold, its solenoid operating part protrudes from the manifold, creating a dead space on the longitudinal side of the manifold. The purpose of this invention is to eliminate troublesome wiring work and improve work efficiency by using a printed wiring board attached to the manifold, as well as to eliminate incorrect wiring and improve the reliability of solenoid valve operation.

[Means for Solving the Problems] In order to solve the above problems, the power supply device for a solenoid valve of the present invention has a solenoid operating section on a manifold that protrudes from a longitudinal side surface of the manifold and extends along the longitudinal direction. In a device in which a plurality of solenoid valves are arranged, a printed wiring board for supplying power to each solenoid valve is attached to the longitudinal side surface of the manifold on the side of the solenoid operating section in a direction substantially parallel to the installation direction of the solenoid valves, and The wiring board is provided with a plurality of power supply terminals connected to printed electric circuits corresponding to the power receiving terminals of each of the solenoid valves mentioned above, and these solenoid valves are installed on the manifold to receive power. It is characterized in that both terminals are directly electrically connected by pressing or pressing the terminal against the power supply terminal.

[Function] In the above power supply device, on the manifold,
A plurality of electromagnetic valves are arranged along the longitudinal direction with the electromagnetic operation part protruding from the longitudinal side surface of the manifold, and the side surface on the side of the electromagnetic operation part of the manifold base is approximately parallel to the installation direction of the solenoid valve. In addition, a printed wiring board for supplying power to the solenoid valve is installed, making effective use of the dead space formed by the solenoid operating section, eliminating the need for special space for installing the printed wiring board, and furthermore, the solenoid valve The printed wiring board can be protected by this.

Also, if you install a solenoid valve on the manifold,
Since the power receiving terminals of these electromagnetic valves are directly connected to the corresponding power feeding terminals of the printed wiring board, there is no need for troublesome wiring work, and furthermore, incorrect wiring can be prevented.

[Embodiment] Fig. 1 shows a first embodiment of the present invention, in which an input passage 1 and a discharge passage 2 are provided between both end faces, and a plurality of sets of input passages and discharge passages are communicated with these passages. A plurality of solenoid valves 7 consisting of a valve part 5 and an electromagnetic operating part 6 are fixed in parallel to each other by mounting screws in a manifold 3 having a passageway on the valve mounting surface. The input port and the discharge port are communicated with the input flow path 1 and the discharge flow path 2, respectively, through passages (not shown), while the output port 5a of the solenoid valve is opened at an appropriate position of the valve portion 5. ,
Alternatively, it is communicated with an output flow path provided in the manifold 3. The manifold 3 may be a common integrated structure for a plurality of electromagnetic valves 7, . . . , or a plurality of manifold blocks individually integrated with each electromagnetic valve 7, connected together.

On one side of the manifold 3 in the longitudinal direction (in the direction in which the solenoid valves 7 are disposed), a printed wiring board 8 on which a necessary electric circuit is printed and wired is attached approximately parallel to the solenoid valves 7, . . . by an appropriate means. The printed wiring board 8 is provided with power feeding terminals connected to the electric circuit at locations corresponding to the two power receiving terminals provided on the electromagnetic operating portions 6 of the solenoid valves 7, . . . .

The power feeding terminal and the power receiving terminal are electrically connected by pressure insertion or pressure contact between the power feeding terminal and the power receiving terminal, as shown in FIGS. 2A to 2D.

That is, the power supply terminals 11a, 11a in FIG. 2A are
It has a cylindrical shape that covers the inner peripheral wall of the hole formed in the printed wiring board 8, and the power supply terminals 11a, 11a are connected to
Electrical connection is established by press-inserting protruding columnar power receiving terminals 10a, 10a formed protruding from the electromagnetic operating section 6. In addition, the power supply terminal 11b in FIG.
11b has a cylindrical shape and is given elasticity in the outer circumferential direction by a cut provided at its tip.
These power supply terminals 11b, 11b are connected to the cylindrical power receiving terminal 1 on the inner peripheral wall of the hole formed in the electromagnetic operation section 6.
Electrical connection is established by press-inserting them into 0b and 10b.

Furthermore, the power supply terminals 11c and 11c in FIG.
is given elasticity by bending a metal piece in a folded state, and this folded surface is used as a power receiving terminal 10 formed at a corresponding position of the electromagnetic operation section 6.
It is electrically connected by pressure contact with the columnar power supply terminals 11d and 10c shown in FIG.
1d and corresponding columnar power receiving terminals 10d, 10d of the electromagnetic operation section 6 are electrically connected by elastic members 12, 12 made of a conductive material interposed between both terminals.

The printed wiring board 8 has a plurality of connection openings 1 at one end of the surface opposite to the contact surface of the electromagnetic operation sections 6, .
5,... are attached to the connection socket 16,
The plurality of connection openings 15, . . . are individually electrically connected to the electric circuit. On the other hand, a plug 17 connected to a power source via a control device etc. is provided with a plurality of terminals 18, . By inserting the printed wiring board 8 into the power source, the printed wiring board 8 is connected to a power source.

Note that the connection of the power supply to the printed wiring board 8 is not limited to the above-described configuration; for example, as shown in FIG. A plurality of electrical conductors 19, . 19, connecting device 2 provided with a terminal to connect with...
It is also possible to use 0.

In the first embodiment, the printed wiring board 8 is mounted on one side in the longitudinal direction of the manifold 3 substantially parallel to the solenoid valves 7, so that the dead space formed by the solenoid valves 7, can be utilized. Therefore, there is no need to provide a special space for installing the printed wiring board, and the printed wiring board 8
can be protected from external forces. Further, as in the embodiment shown in FIG. 4, by forming a protruding support part 21 on one side in the longitudinal direction of the manifold 3 and screwing the printed wiring board 8 to this support part 21, the manifold 3 can be attached to the manifold 3. Alternatively, instead of forming the supporting portion 21 in a protruding manner, a plurality of angle members may be attached to the manifold 3.

Further, as in the embodiment shown in FIG. 5, a supporting portion 21a having a groove 22 is formed protrudingly in the longitudinal direction of the manifold 3, and one side of the printed wiring board 8 inserted into the groove 22 is It is also possible to fix by using a fixing device such as a screw through the buffer member 23, or by press-inserting the printed wiring board 8 into the groove 22.

In the embodiments shown in FIGS. 4 and 5, the printed wiring board 8 is supported and fixed to the manifold 3, so that the power supply terminals 11a to 11d and the power receiving terminals 10a to
Electrical connection with 10d can be made by pressure welding.

In each of the above embodiments, the printed wiring board 8 is installed only on one side in the longitudinal direction of the manifold 3, but in the case where the solenoid valves 7, ... have two electromagnetic operation parts 6, 6 facing each other. In this case, printed wiring boards 8 can be installed on both sides of the manifold 3 in the longitudinal direction. In this case, a connection receptacle 16 or an electric conductor 19 shown in FIG. 1 or 3 is provided at the end of the two printed wiring boards 8, 8 on the side opposite to the power connection side. 1 or 3 provided at both ends of the coated wire.
By inserting the plug 17 or the connecting device 20 shown in the figure, the two printed wiring boards 8, 8 can be electrically connected.

The above-mentioned printed wiring board 8 is not limited to one common to the plurality of electromagnetic valves 7, . 8b, . . . and electrically connect the respective electric circuits by connecting plugs 17 provided at the ends of these printed wiring boards 8a, 8b, . I can do it. Although not shown, the electric circuit connections of the divided printed wiring boards 8a, 8b, ... are as follows.
Electrical conductors 19,... and connecting device 2 shown in FIG.
Furthermore, as shown in FIG. This can also be done by using a connecting tool in which the fittings 16, 16 are connected with a covered wire, and fitting these connection fittings 16, 16 into the plug terminals 27, . . . .

When the printed wiring board 8 is divided and formed as described above, it is easy to adapt to changes in the number of solenoid valves 7 arranged in parallel.

In addition to the electrical circuits and power supply terminals 11a to 11d described above, the printed wiring board 8 also includes electrical circuits and power supply terminals for connecting separate electrical and electronic components such as capacitors, resistors, semiconductors, and relays. The connection fitting 16 etc. can be installed at any location on the printed wiring board 8, taking into consideration space reduction and connection of the power supply to the printed wiring board, rather than being limited to the illustrated example. It can be done.

[Effects of the invention] The present invention has a printed wiring board mounted on the longitudinal side surface of the manifold on the side of the electromagnetic operation section in a direction substantially parallel to the installation direction of the solenoid valve. Since the dead space that is formed can be used effectively, not only does it not require a special space for installing the printed wiring board, but the electromagnetic operating section protects the printed wiring board and prevents damage to it. can.

Also, if you install a solenoid valve on the manifold,
Each of the power receiving terminals of these solenoid valves is directly connected to the corresponding power supply terminal on the printed wiring board, which eliminates troublesome wiring work and improves work efficiency. It also eliminates incorrect wiring, which increases the reliability of the solenoid valve operation. You can increase your sexuality.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the first embodiment of the present invention, Figs. 2 A to D are perspective views of main parts showing aspects of a power supply terminal and a power receiving terminal, and Fig. 3 is a perspective view of a printed wiring board and a power supply. 1
A perspective view showing a connection state different from that shown in the figure; FIGS. 4 and 5 are perspective views of essential parts showing other embodiments of the present invention;
FIGS. 6 and 7 are perspective views of main parts showing the state of electrical connection between printed wiring boards. 3...Manifold, 7...Solenoid valve, 8,8
a, 8b...Printed wiring board, 10a, 10b, 10
c, 10d...Power receiving terminal, 11a, 11b, 11
c, 11d...Power supply terminal.

Claims (1)

[Scope of utility model registration request] In a power supply device for a solenoid valve, on a manifold, an electromagnetic operation part protrudes from a longitudinal side surface of the manifold, and a plurality of electromagnetic valves are disposed along the longitudinal direction. A printed wiring board for supplying power to each solenoid valve is attached to the side surface approximately parallel to the installation direction of the solenoid valve, and the printed wiring board has a plurality of power supply terminals connected to the printed electric circuit. , are provided in correspondence with the power receiving terminals of each of the above solenoid valves, and by installing these solenoid valves on the manifold, the power receiving terminals are pressed against or pressed against the power supply terminal, and both terminals are directly electrically connected. A solenoid valve power supply device featuring a printed wiring board.