JP4559598B2 - Solenoid valve manifold - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a solenoid valve manifold.
[0002]
[Prior art]
Generally, a solenoid valve manifold includes a plurality of solenoid valves to be mounted and a manifold base constituted by one manifold base or a plurality of manifold blocks arranged in series. Solenoid valves include single solenoid type and double solenoid type. The double solenoid type has two solenoids with one solenoid on each side of the solenoid valve and two solenoids on one side of the solenoid valve. There is a single-sided solenoid type.
[0003]
As a means for supplying operation signals to these solenoid valves, an individual wiring method in which individual solenoids are directly wired from the outside or a duct shape communicating with the manifold base is provided, and wiring from each solenoid valve is routed in the duct. There is a wiring-saving method in which the wires are gathered in the duct, the wires are gathered in the duct, and then taken out of the manifold base together. In addition, the reduced-wiring solenoid valve manifold is automatically connected to the power supply unit by manually connecting the wiring taken from the duct in the manifold base to each solenoid valve, and by automatically mounting the solenoid valve on the manifold base. There is a plug-in system in which the power feeding unit is electrically connected.
[0004]
Here, the case where the plug-in method is adopted for the solenoid valve manifold is considered from the merits of the ease of installation and maintenance of the solenoid valve. In the case of the single solenoid type, the wiring from the duct to the solenoid valve is one system, and the wiring and the installation of the connector part are relatively easy.
[0005]
In the double solenoid, there are two lines of wiring, and power is supplied to each solenoid. As one example, a structure using a solenoid valve of one side solenoid type is disclosed in, for example, Japanese Utility Model Laid-Open No. 61-140278 and Japanese Utility Model Laid-Open No. 4-78377. This type of solenoid valve has two coils adjacent to each other, and has the advantage of easily consolidating the power supply part on the solenoid valve side into one place and taking it out easily, but the flow path structure of the pilot flow path for transmitting the pilot pressure Since the pilot flow path to the piston chamber arranged on one side of the main valve is longer than the pilot flow path to the piston chamber arranged on the other side, the response depends on the switching direction during the switching operation of the main valve. There was a problem that a difference occurred in time.
[0006]
Further, double-sided solenoid valves of both sides are disclosed in, for example, Japanese Utility Model Publication No. 61-126163 and Japanese Utility Model Publication No. 5-64587. Although the solenoid valves disclosed in these publications have almost no response time difference depending on the switching direction at the time of the main valve switching operation, since the power feeding parts of the solenoid valves are concentrated in one place, the wiring from one solenoid side to the solenoid on the opposite side For example, a direct piping structure in which a joint (pipe) is provided on the upper part of the main valve body of the solenoid valve cannot be employed because the wiring extends in the direction of the solenoid valve and is located in a bridged state.
[0007]
Japanese Utility Model Publication No. 62-41975 discloses a solenoid valve manifold shown in FIG. The solenoid valve 52 used in the solenoid valve manifold 51 is a double solenoid type on both sides, and coil terminals 53 of the solenoid (not shown) are provided on both sides. Further, the manifold body 54 of the solenoid valve manifold 51 has an integrated shape up to the shape in which the power feeding mechanism of the solenoid valve 52 is arranged.
[0008]
[Problems to be solved by the invention]
By the way, in the solenoid valve manifold, there are cases where the solenoid valve is selectively used as a single solenoid type or a double solenoid type depending on the specifications. However, in the solenoid valve manifold 51 shown in FIG. 8, the manifold body 54 is formed with the specifications of the double solenoid type solenoid valve 52 regardless of the specifications of the solenoid valve 52.
[0009]
Therefore, although this solenoid valve manifold 51 has a plug-in structure, when a single solenoid type solenoid valve (not shown) is mounted on the manifold body 54, the manifold body 54 is a double solenoid type specification and is large. There has been a problem that the solenoid valve manifold 51 having a minimum necessary size suitable for a single solenoid type solenoid valve cannot be obtained. Here, two types of manifold main bodies 54 having different sizes may be separately prepared for each specification of the electromagnetic valve 52, but this causes a problem of increasing the cost as a product.
[0010]
The present invention has been made in view of the above problems, and an object of the present invention is to provide a solenoid valve manifold capable of changing the outer dimensions of a manifold block in accordance with the specifications of solenoid valves having different solenoids on one side or both sides. There is.
[0011]
[Means for Solving the Problems]
In order to achieve the above-mentioned object, in the invention according to claim 1, a plurality of solenoid valves, and a plurality of input / output ports each having the solenoid valves mounted thereon and switched in connection by the solenoid valves are provided. An electromagnetic valve manifold comprising a manifold block, wherein the manifold block is provided with two connector portions that can be electrically connected to a power feeding portion of the electromagnetic valve, and at least one of the connector portions is the manifold block. As a solenoid valve to be assembled to the manifold block, the power feeding section is replaced with an electromagnetic valve in which one power feeding section is disposed on each side of the solenoid valve. When one is arranged only on one side of the solenoid valve, the two connector parts provided in the manifold block Among them, the gist that it is possible to remove the connector 1 which are assembled in the body of the manifold block as detachable units.
In the invention according to claim 2, an electromagnetic comprising a plurality of solenoid valves and a plurality of manifold blocks having input / output ports in which the solenoid valves are individually mounted and connection states are switched by the solenoid valves. In the valve manifold, the manifold block is provided with two connector portions that can be electrically connected to the power feeding portion of the solenoid valve, and at least one of the connector portions is detachable from the body of the manifold block. they are assembled as a unit, said input and output ports of the manifold block coupling for communicating the external pneumatic devices and the solenoid valve manifold is provided by fixing to the body of the manifold block of the joint, the detachable Possible units are supported by the joint and fixed to the manifold block body. The gist.
[0012]
According to the invention described in claim 1, by a detachable unit mounted to the body of the manifold block to the body of the manifold block, the manifold block according to the specifications of the installed solenoid valve size Can be changed as appropriate. Therefore, for example, when a small-sized electromagnetic valve is mounted, the manifold block can be changed to a small size suitable for the electromagnetic valve by removing the unit. Therefore, the manifold block is not affected by the solenoid valve having a large size, so that the solenoid valve manifold is compact. Therefore, the solenoid valve manifold has a minimum size suitable for the mounted solenoid valve.
According to the first aspect of the present invention, for example, when a single solenoid type solenoid valve is mounted instead of the double side solenoid type solenoid valve, the unit is removed from the main body of the manifold block. For this reason, when mounting a single solenoid type solenoid valve, the manifold block has a size that is not affected by the double solenoid type on both sides, so the solenoid valve manifold can be made compact.
Furthermore, according to the invention described in claim 2, when the joint is removed from the main body of the manifold block, both the joint and the unit are removed. For example, when a single solenoid type solenoid valve is mounted, the joint block and the unit are removed, and a joint suitable for the solenoid valve is attached, so that a manifold block suitable for the single specification solenoid valve is obtained. Therefore, the joint is not affected by the specification of the solenoid valve, and similarly, the solenoid valve manifold can be made compact.
[0013]
According to a third aspect of the present invention, in the first or second aspect of the invention, when the electromagnetic valve is assembled to the manifold block, the power feeding portion of the electromagnetic valve and the connector portion of the manifold block are electrically connected. A plug-in structure is provided, and one feeding portion of the solenoid valve is disposed at both ends of the solenoid valve, and connector portions of the manifold block facing each other are also disposed at both ends of the manifold block. Is summarized as a unit that can be attached to and detached from the main body of the manifold block.
[0014]
According to this invention, in addition to the operation of the invention described in claim 1 or 2, when the plug-in structure is adopted in the solenoid valve manifold, the manifold block is integrally provided with a connector portion that is electrically connected to the power feeding portion of the solenoid valve. Because of the structure, the size matches the specifications of the solenoid valve. However, since the unit having the connector part can be attached to and detached from the main body of the manifold block, even when the plug-in structure is adopted, the size of the manifold block can be changed according to the specification of the electromagnetic valve.
[0019]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment in which the present invention is embodied in a base piping type solenoid valve manifold will be described with reference to FIGS.
[0020]
As shown in FIG. 1, the solenoid valve manifold 1 includes a plurality of manifold blocks 3 and 4 connected along the rail 2 and a plurality of solenoid valves 5 and 6 mounted on the manifold blocks 3 and 4. And. In the solenoid valve manifold 1, when the solenoid valves 5 and 6 are assembled to the manifold blocks 3 and 4, the connection terminal 8 (see FIG. 4) on the solenoid valve side is connected to the main power source at the same time (see FIG. 4). It has a plug-in structure that is electrically connected to.
[0021]
The solenoid valves 5 and 6 include a single solenoid type solenoid valve 5 having a solenoid only on one side and a double solenoid type solenoid valve 6 on both sides in which solenoids are arranged on both sides. Solenoid type, four on the right side are double solenoid type. Depending on the specifications of the solenoid valves 5 and 6, the manifold blocks 3 and 4 also include a single solenoid type specification manifold block 3 and a double solenoid type specification manifold block 4.
[0022]
A manifold base 9 is constituted by the plurality of manifold blocks 3 and 4. Joints 10 and 11 for connecting piping of an external pneumatic device (not shown, for example, an air cylinder) are assembled to one end of each manifold block 3 and 4.
[0023]
Fig. 2 is an exploded view of a manifold block on which a double-sided double solenoid type solenoid valve is mounted. Fig. 4 is a side view when the double-sided double solenoid type solenoid valve and manifold block are assembled. It is the figure which made terminal vicinity a cross section.
[0024]
As shown in FIG. 4, a supply flow path 12 and two discharge flow paths 13 extending over the manifold blocks 3 and 4 are formed inside the manifold base 9.
Each manifold block 4 (3) is formed with two input / output ports 14 connected to an external drive device, and these two input / output ports 14 are connected to a supply flow path 12 and a discharge flow path by an electromagnetic valve 6 (5). The communication state is switched between 13.
[0025]
On both sides of the solenoid valve 6, a power feeding unit 15 is provided for each solenoid, and a connection port 15a of the power feeding unit 15 opens downward in the figure. The power feeding unit 15 is provided with a connection terminal 7 that leads to a solenoid coil (not shown). On the other hand, on both sides of the manifold block 4, connector portions 16 and 17 extending upward in FIG. 4 are disposed at positions opposite to the power supply portion 15 so as to be connectable to the power supply portion 15.
[0026]
Of these two connector portions 16 and 17, the connector portion 17 on the side where the joint 11 is located is formed integrally with a port block 18 that supports the joint 11. In each of the connector portions 16 and 17, a connection terminal 8 that can be electrically connected to the connection terminal 7 of the power feeding portion 15 is provided. The port block 18 integrally formed with the connector portion 17 corresponds to a detachable unit.
[0027]
As shown in FIGS. 2 and 4, the port block 18 is formed by screwing or unscrewing two bolts 19 (only one is shown in FIG. 4) to a nut 21 on the block body 20 side of the manifold block 4. The block body 20 is detachable together with the joint 11. The port block 18 is fixed to the block main body 20 side by a stepped portion 11 b protruding from the outer diameter portion of the joint 11 coming into contact with the concave portion 18 b of the port block 18.
[0028]
These joints 11 are supported in a state of being inserted through insertion holes 18 a formed through the port block 18, and the concave portions 11 a are locked to a substantially E-shaped fastening plate 22. The fastening plate 22 is fixed to the block main body 20 by bolts 19, and the joint 11 is fixed to the block main body 20 via a fastening plate 22 that functions as a retainer.
[0029]
Between the upper joint 11 in FIG. 4 and the inner surface of the port block 18, a path 23 for passing the wiring 8 a extending from the connection terminal 8 is formed. Further, the block body 20 is formed with a wiring path 24 communicating with the path 23 of the port block 18 at the end on the joint 11 side, and further on the lower side of the supply flow path 12 and the discharge flow path 13 for wiring. A path 25 is formed. The wiring 8a extending from the connection terminal 8 on the joint 11 side is electrically connected to the duct D through the paths 23-25. On the other hand, the wiring 8 a extending from the connection terminal 8 of the connector part 16 on the anti-joint 11 side is also conducted to the duct D inside the block body 20.
[0030]
3 is an exploded view of a manifold block on which a solenoid valve of a single solenoid type specification is mounted, and FIG. 5 is a side view when the solenoid valve of the single solenoid type and the manifold block are assembled. It is the figure which made the vicinity a cross section.
[0031]
As shown in FIGS. 3 and 5, two joints 26 shorter than the joint 11 of FIG. 2 are assembled to each input / output port 14 of the block body 20. These joints 26 have their recesses 26 a locked to a substantially H-shaped fastening plate 27, and the two bolts 19 are screwed or unscrewed to the nut 21 on the block body 20 side via the fastening plate 27. Each joint 26 can be attached to and detached from the block body 20. Therefore, the block main body 20 is shared between the solenoid valves 5 and 6 of the single solenoid type and the double solenoid type on both sides.
[0032]
In this example, since the port block 18 and the joint 11 assembled to the block body 20 can be attached and detached, when the single solenoid type solenoid valve 5 is mounted, the port block 18 and the joint 11 are removed and the joint 26 is removed. By mounting, a manifold and a block 3 that match the specifications of the solenoid valve 5 are obtained. When the double solenoid type solenoid valve 6 on both sides is mounted, the manifold block 4 suitable for the solenoid valve 6 is obtained by mounting the port block 18 and the joint 11.
[0033]
Here, for example, when the single solenoid type electromagnetic valve 5 is mounted, the manifold block 4 is changed to the manifold block 3 by removing the port block 18 and the joint 11 from the block body 20 and attaching the joint 26. Therefore, since the manifold block 3 is sized to match the size of the solenoid valve 5 of the single solenoid type specification, there is no problem that the manifold block side becomes larger with respect to the solenoid valve 5, and the solenoid valve manifold 1 is compact. Can be achieved.
[0034]
Therefore, in this embodiment, the following effects can be obtained.
(1) Since the port block 18 of the manifold block 4 is detachable, the manifold blocks 3 and 4 can be set to a length corresponding to the solenoid valves 5 and 6 of the single solenoid type or the double solenoid type on both sides. Therefore, when the solenoid valve manifold 1 is configured with the single solenoid type solenoid valve 5, the manifold block is not affected by the double solenoid specifications on both sides such as the port block 18 and the joint 11, so the solenoid valve manifold 1 should be made compact. Can do. Therefore, the solenoid valve manifold 1 can be configured with a minimum size suitable for the solenoid valves 5 and 6 to be mounted.
[0035]
(2) Since the block main body 20 can be used in common, it is not necessary to prepare a manifold block for each specification type of each solenoid valve, and the cost for parts can be kept low.
[0036]
(3) The power feeding part 15 of the electromagnetic valve 6 is arranged on both sides, and the wiring 8a of the connection terminal 8 connected to the connection terminal 7 of the power feeding part 15 is conducted to the duct D through the paths 23-25. Since it is routed inside the block body 20, the degree of freedom of the installation location of the input / output piping is increased. Accordingly, since the wiring extending from the solenoid as seen in the one-side wiring concentrated type is not positioned over the axial direction of the solenoid valve 6, the main valve portion (body) 31 of the solenoid valve 6 is arranged as shown in FIG. A direct piping structure in which a joint (piping) 32 is provided can also be taken.
[0037]
(4) Even when the joint 11 is supported by the port block 18, the joint 11 can be attached to and detached from the block body 20, so that the joint 11 can be attached and detached when the port block 18 is attached and detached.
[0038]
(5) Even if the structure in which the port block 18 can be attached and detached is adopted, the design can be changed only at one end portion of the block main body 20, so that it can be implemented at low cost.
In addition, embodiment is not limited to the above, For example, you may change as follows.
[0039]
The joint 11 is not limited to being detachable together with the port block 18. For example, as shown in FIG. 7, a joint 41 that can be used in common regardless of the specifications of the solenoid valves 5 and 6 is provided, and the unit 42 having only the connector portions 16 and 17 is detachable from the block body 20. May be.
[0040]
-The solenoid valve manifold 1 is not limited to a plug-in structure. For example, after assembling the solenoid valve to the manifold block, the operator may manually connect the input terminal on the solenoid valve side and the output terminal of the manifold block.
[0041]
-It is not limited to the connector parts 16 and 17 being arrange | positioned at the both sides of the manifold block 4. FIG. For example, a double solenoid valve on both sides is used for the solenoid valve, one solenoid is supplied with power from a connector part connected by a plug-in structure, and the other solenoid is supplied with power by an external wiring cord, The plug-in structure side unit may be detachable.
[0042]
The connector portion 17 is not limited to being integrally formed with the port block 18, and the connector portion 17 may be a separate part from the port block 18.
The joint 26 is not limited to being directly attached to the block main body 20. For example, the joint 26 may be attached to the block main body 20 while being supported by a dedicated port block that meets the specifications of the joint 26.
[0043]
The detachable connector portion 17 (port block 18) and the joint 11 are not limited to being disposed at the same end portion of the manifold block 4. That is, a joint may be disposed at one end, and a unit that can be attached to and detached from the block main body 20 may be disposed at the other end. This detachable unit has only a connector portion.
[0044]
-It is not limited to using the coupling 11 directly connected to the input-output port 14, For example, a coupling may be what kind of shape, if the piping extended from an external pneumatic apparatus can be connected.
[0045]
-It is not limited to making only the port block 18 in one side removable. For example, the connector portion 16 on the side opposite to the port block 18 may be a detachable unit.
[0046]
The technical ideas other than the claims that can be grasped from the embodiment and other examples will be described below together with the effects thereof.
(1) Dimensions of the manifold block is changed by attaching and detaching the front SL unit. In this case, a manifold block having a minimum size suitable for the size of the solenoid valve can be provided.
[0047]
(2) feeding portions of the front SL solenoid valve is arranged on both sides, said manifold block path for wiring are formed, a wiring extending into the feeding unit and the electrical connection to the main power supply side takes the path It is turned and extends to the main power source side. In this case, since the solenoid circuit and wiring are not located in a bridged state with the solenoid valve, the degree of freedom of the pipe connection location is increased, and for example, a direct piping structure to the solenoid valve can be employed.
[0048]
(3) manifold block for use in the solenoid valve manifold according to prior SL technical idea (1) or (2).
[0049]
【The invention's effect】
As described above in detail, according to the present invention, by making at least one connector part a detachable unit, the manifold block can be adapted to the specifications of the solenoid valve to be mounted without impairing the responsiveness and the pipe takeout performance. Can be minimized.
[Brief description of the drawings]
FIG. 1 is a perspective view of a solenoid valve manifold in one embodiment.
FIG. 2 is an exploded view of a manifold block when a double-side double solenoid type solenoid valve is installed.
FIG. 3 is an exploded view of a manifold block when a single solenoid type solenoid valve is mounted.
FIG. 4 is a side view when a double-side double solenoid type solenoid valve is assembled to a manifold block.
FIG. 5 is a side view when a single solenoid type solenoid valve is assembled to a manifold block.
FIG. 6 is a side view of a solenoid valve manifold in another example.
FIG. 7 is a schematic diagram of a solenoid valve manifold in another example.
FIG. 8 is a cross-sectional view of a conventional solenoid valve manifold.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Solenoid valve manifold, 3, 4 ... Manifold block, 5, 6 ... Solenoid valve, 11, 26 ... Joint, 14 ... Input / output port, 15 ... Feeding part, 16, 17 ... Connector part, 18 ... Port as unit Block, 20... Block body as a main body of the manifold block, 42... Unit.

Claims (3)

A solenoid valve manifold comprising a plurality of solenoid blocks and a plurality of manifold blocks having input / output ports in which the solenoid valves are individually mounted and the connection state is switched by the solenoid valves,
The manifold block is provided with two connector portions that can be electrically connected to the power feeding portion of the solenoid valve, and at least one of the connector portions is assembled as a unit that can be attached to and detached from the main body of the manifold block. And
As the solenoid valve to be assembled to the manifold block, instead of the solenoid valve in which the power feeding unit is arranged on both sides of the solenoid valve, one in which the power feeding unit is arranged only on one side of the solenoid valve is selected. If you, one of the two connector portions provided in the manifold block, and wherein the possible der Rukoto removing the connector unit 1 which is assembled in the body of the manifold block as detachable units Solenoid valve manifold. A solenoid valve manifold comprising a plurality of solenoid blocks and a plurality of manifold blocks having input / output ports in which the solenoid valves are individually mounted and the connection state is switched by the solenoid valves,
The manifold block is provided with two connector portions that can be electrically connected to the power feeding portion of the solenoid valve, and at least one of the connector portions is assembled as a unit that can be attached to and detached from the main body of the manifold block. And
Said input and output ports of the manifold block coupling for communicating the external pneumatic devices and the solenoid valve manifold is provided by fixing to the body of the manifold block of the joint, the detachable unit is supported by the joint And a solenoid valve manifold fixed to a body of the manifold block. When the solenoid valve is assembled to the manifold block, the power supply part of the solenoid valve and a connector part of the manifold block are electrically connected to each other.
One of the power supply portions of the solenoid valve is disposed at both ends of the solenoid valve, and the connector portions of the manifold block facing each other are also disposed at both ends of the manifold block, one of which is connected to the body of the manifold block. solenoid valve manifold according to claim 1 or 2, characterized that you have assembled as detachable units.

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