JP3162368B2 - Stacking manifold - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD OF THE INVENTION

The present invention relates to a stacking manifold, and more particularly, to a technique effective when applied to, for example, a stacking manifold in which each manifold block has a valve function.

[0002]

[Prior art]

As a stacking manifold, there is a stacking manifold in which each of the manifold blocks connected to each other has an output channel for each operating valve or the like. Further, in the stacking manifold, for connecting each manifold block, for example, a structure in which bolts are inserted through a plurality of manifold blocks and connected to each other is known.

[0003]

[Problems to be solved by the invention]

By the way, in the structure of the stacking manifold as described above, the following points must be considered. First, space saving, weight reduction, and simplification of the device itself can be achieved. Second, the manufacturing of the device itself can be simplified or the manufacturing cost can be reduced. Third, the connection of each manifold block is facilitated.
Fourth, fluid leakage is reliably prevented.

An object of the present invention is to reduce the space and weight of the device itself,
To provide a stacking manifold capable of simplifying, facilitating manufacture, reducing manufacturing cost, facilitating connection of each manifold block, and reliably preventing fluid leakage. It is in.

[0005]

[Means for Solving the Problems]

The stacking manifold of the present invention is a stacking manifold formed by mutually connecting a plurality of manifold blocks each having a connection surface on both sides, and from the one connection surface to the other connection surface of each of the manifold blocks. A plurality of flow paths are formed by penetrating, and a pair of elastically expandable locking claws are provided on both ends of one of the connection surfaces of each of the manifold blocks so as to face each other outwardly. At both ends of the other connecting surface of the manifold block, locked portions that are locked with the locking claws of the other adjacent manifold block at the time of connection and are opened at the end surface are provided, and the respective manifold blocks are connected to each other. Each of the locking claws is narrowed and locked to the locked portion, so that a plurality of the Hold block communicates with the flow channel, characterized in that so as to detachably connected to each other.

Further, the stacking manifold of the present invention is characterized in that the engaging claw is engaged with an end plate which is connected to one end of a manifold assembly formed by connecting a plurality of the manifold blocks, and is opened at an end face. A stop is provided, and an end plate connected to the other end is provided with a locking claw for locking the locked portion.

Further, the stacking manifold according to the present invention is characterized in that a seal member for preventing leakage of fluid from the connection part is interposed at a connection part of the flow paths connected to each other.

According to the present invention, the locking claws of one of the manifold blocks adjacent to each other are locked to the locked portions of the other manifold block, and the two manifold blocks are detachably connected to each other. , And the manifold blocks can be easily connected with each other.
Can be easily disassembled. Further, the end plates can be easily connected and disassembled to both ends of the manifold assembly formed by stacking a plurality of manifold blocks.

Further, when a structure is adopted in which a seal member for preventing fluid leakage from the connection portion is interposed at a connection portion of the flow passages connected to each other, the connection between the output flow passage and the supply flow passage is performed. Fluid leakage from the site can be reliably prevented.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION

FIG. 1 is a plan sectional view partially showing a stacking manifold block according to one embodiment of the present invention, FIG. 2 is a partial plan view thereof, FIG. 3 is a side plan view thereof, and FIG. It is an expanded sectional view for explaining a pressure plug.

The stacking manifold of this embodiment has a plurality of manifold blocks 1 connected to each other. Each manifold block 1 has a pair of locking claws 2 at both ends and a pair of groove-shaped locked portions 3 which are locked by the locking claws 2 and open on the end surface as shown in FIG. And
The locking claws 2 of one of the adjacent manifold blocks 1 are locked to the locked portions 3 of the other manifold block 1, so that the two manifold blocks 1 are detachably connected to each other. ing. That is, as shown in FIG. 1, the illustrated stacking manifold has five manifold blocks 1, the left and right side surfaces in FIG. A claw 2 is provided, and a locking claw of another adjacent manifold block 1 is locked on the other connecting surface, and has a locked portion 3 opened at the end face.

In this embodiment, the space between the pair of locking claws 2 facing each other can be elastically expanded, and the space between the pair of locking claws 2 is slightly narrowed to form a pair of locked portions 3 respectively. When inserted, the space between the pair of locking claws 2 is expanded by the elastic expanding force as shown in FIG. In this way, each manifold block 1 is connected at each connection surface portion,
By locking the locking claws 2 and the locked portions 3 of the manifold blocks 1 adjacent to each other, a manifold block assembly having a plurality of manifold blocks 1 is formed.

Next, in each manifold block 1, a supply channel 4 and a pair of output channels 5 disposed at both ends of the supply channel 4 are formed so as to extend therethrough. I have. The supply passages 4 of each manifold block 1 can be connected to each other, and similarly, the output passages 5 of each manifold block 1 can be connected to each other. The supply channels 4 and the output channels 5 are connected to each other by the connection of the manifold blocks 1 by the stop portions 3.

A seal member 6 made of an O-ring is interposed at each connection between the supply flow path 4 and the output flow path 5 so that fluid leakage from each connection is reliably prevented. It has become.

A supply port 4 A is connected to the supply flow path 4 of each manifold block 1, and this supply port 4 A is connected to an input port (not shown) of a solenoid valve 20 mounted on each manifold block 1. It is supposed to be. on the other hand,
An output port 5A is communicated with the output flow path 5 of each manifold block 1, and the pair of output ports 5A is connected to a first and a second output port (FIG. 1) of each solenoid valve 20 mounted on each manifold block 1. (Not shown). Each solenoid valve 20 mounted on each manifold block 1 has, for example, a single input port,
It is a 5-port spool type switching valve having a pair of output ports and a pair of discharge ports (each not shown), and the fluid from each discharge port is supplied to a discharge groove (formed on the outer peripheral surface of each manifold block 1). (Not shown).

A pair of operating valves 30 as shown in FIG. 3 are respectively incorporated in a pair of spaces 7 of each manifold block 1 shown in FIG. The operating valve 30 has an O-ring in the space 7
Cylinder 32 fixed with intervening 31 and this cylinder
A piston 33 inserted into the piston 32 and reciprocating in the vertical direction in FIG. 3, a shaft 34 penetrating through the shaft of the piston 33 and connected thereto, and urging the piston 33 upward in FIG. With a spring 35 and a cap on the top of the shaft 34,
A diaphragm 36 having a lower end outer peripheral portion fixed to the manifold block 1 is provided.

A pair of packings 37 are opposed to each other at a predetermined interval at an intermediate position of the piston 33.
The closed space between 37 is a working fluid chamber 38. The output fluid passages 5 on the same side are respectively connected to the respective working fluid chambers 38, and the fluid pressure of compressed air or the like supplied to the output fluid passage 5 from the output port 5A is applied to each of the working fluid chambers 38. Has been introduced.

Next, a pair of ports 41 formed in a valve seat member 40 of the manifold block 1 are respectively communicated with a pair of valve chambers 39 in which the diaphragms 36 of the operation valve 30 are disposed, respectively. 41 is opened and closed by the contact and separation of the respective diaphragms 36. Further, the pair of valve chambers 39 can communicate with each other through a common path 42 formed in the valve seat member 40 of the manifold block 1. A fluid such as a liquid controlled by each operating valve 30 flows through each port 41 and the common path 42, and this fluid is controlled by the operating valve 30 and supplied to a predetermined fluid device or the like.

Here, in FIG. 3, the operating valve 30 shown on the left side shows a state where fluid pressure such as compressed air is not introduced into the operating fluid chamber 38. The operating valve 30 shown on the left side of FIG. 3 has an integrated piston 33 and a shaft because the operating fluid chamber 38 is in a state where no fluid pressure is introduced.
34 is raised by the urging force of the spring 35, and the rising of the shaft 34 pushes up the upper surface of the diaphragm 36 to abut the port 41 to close the port 41.

On the other hand, the operating valve 30 shown on the right side of FIG. 3 is in a state in which fluid pressure such as compressed air is introduced into the working fluid chamber 38, and the fluid pressure introduced into the working fluid chamber 38 As a result, the piston 33 and the shaft 34 are lowered against the urging force of the spring 35, and the lower surface of the shaft 34 pushes the upper surface of the diaphragm 36 away from the port 41, thereby opening the port 41. In addition, breathing in the diaphragm 36 is performed through a breathing port 32A formed in the cylinder 32.

Next, as shown in FIG. 1, each of the manifold blocks 1 at both ends (left and right ends in FIG. 1) connected to each other includes:
The end plate 50 is detachably connected to the locking claw 2 and the locked portion 3 in the same manner as described above. In the end plate 50, supply ports 50A that can communicate with the supply flow path 4 of the manifold block 1 are formed. The supply port 50A of the left end plate 50 in FIG.
The supply port 50A supplies fluid pressure such as compressed air to the supply flow path 4 of each manifold block 1. On the other hand, the supply port 50A of the right end plate 50 in FIG. 1 is disconnected from the supply passage 4 of the manifold block 1 by the differential pressure plug 60.

As shown in FIG. 4, the differential pressure plug 60 is formed in a cylindrical shape with a bottom by a flexible material having elasticity.
At the opening end of the cylindrical hollow portion 60C of the differential pressure plug 60, a flange portion 60A is formed integrally, and this flange portion 60A is interposed at the joint portion between the manifold block 1 and the end plate 50, and 60 escapes are prevented. In the middle of the outer peripheral surface of the differential pressure plug 60, a rib 60B
The rib 60B is integrated with the end plate 5
It is fitted in an annular groove 50C formed in the zero channel 50B.
Then, the fluid pressure in the supply channel 4 is introduced into the hollow portion 60C of the differential pressure plug 60, and the outer peripheral wall and the rib 60B of the hollow portion 60C are radially expanded by the introduced fluid pressure. By being pressed into contact with the inner peripheral surface of the flow path 50B and the annular groove 50C, the one end side of the supply flow path 4 is reliably closed by the differential pressure plug 60.

Next, the operation of the present embodiment will be described. First, when connecting the respective manifold blocks 1, the space between the pair of locking claws 2 opposed to each other is narrowed against the elastic expanding force and inserted into the pair of locked portions 3. Nail 2
As shown in FIG. 1, the manifold blocks 1 are connected by being expanded by the elastic expanding force and locked by the pair of locked portions 3. Therefore, in the present embodiment, the manifold blocks 1 can be easily and quickly connected by the locking between the locking claws 2 and the locked portions 3. When the manifold blocks 1 are connected in this manner, the supply flow paths 4 and the output flow paths 5 of the respective manifold blocks 1 are connected to each other, and the supply flow paths 4 and the output A seal member 6 made of an O-ring is interposed at each connection part between the use flow paths 5 to reliably prevent fluid leakage from each connection part.

Next, by mounting the five-port solenoid valve 20 as described above on each of the manifold blocks 1 connected in this manner, the supply port 4A of each manifold block 1 and the input of each solenoid valve 20 Ports (not shown), a pair of output ports 5A of each manifold block 1 and first and second output ports (not shown) of each solenoid valve 20, and a discharge groove formed on the outer peripheral surface of each manifold block 1. (Not shown) and a pair of discharge ports (not shown) of each solenoid valve 20 are connected to each other. In such a connection state,
A supply channel 4 in which fluid pressures such as compressed air are connected to each other from a supply port 50A of the left end plate 50 in FIG.
Is supplied to the input port (not shown) of each solenoid valve 20 through each supply port 4A.

The fluid pressure supplied into each solenoid valve 20 through the input port (not shown) of each solenoid valve 20 is, for example, the first output port and the first output port connected to the input port (not shown). Each manifold block 1 connected to one output port
Through one of the output ports 5A, for example, it is supplied to the output flow path 5 on the upper side of FIG. 1 which is connected to the output port 5A.

Next, the fluid pressure supplied to the output flow path 5 in the upper part of FIG. 1 is applied to the operation fluid chamber 38 of each of the operation valves 30 in the upper part of FIG. Was introduced to
By this introduction, the piston 33 and the shaft 34 of each operating valve 30 are lowered against the urging force of the spring 35, and the lower surface of the shaft 34 pushes down the upper surface of the diaphragm 36 and separates from the port 41 thereof. The port 41 is opened, and a fluid such as a liquid flows through the port 41.

Next, in such a connected state of the input port and the first output port (each not shown) of each solenoid valve 20, the input port and the first output port of each solenoid valve 20 are turned off by the valve switching operation. In the connection state, the first output port and the discharge port (not shown) of each solenoid valve 20 communicating therewith are connected, while the input port and the second port are connected.
When the output port is in a connected state, the fluid pressure introduced into the working fluid chamber 38 of each working valve 30 in the upper part of FIG. 1 is changed to the output flow path of each manifold block 1 in the upper part of FIG.
5, the air is discharged to the outside via the output port 5A, the first output port of each solenoid valve 20, the discharge port of each solenoid valve 20 communicating with the first output port, and the discharge groove (not shown) of the manifold block 1. Further, as described above, the input port (not shown) and the second output port (not shown) of each solenoid valve 20 are connected, so that the supply flow path 4 and each supply port are provided.
The fluid pressure supplied to the input port (not shown) of each solenoid valve 20 through 4A is introduced into each solenoid valve 20, and then the second output connected to each input port (not shown) Through a port (not shown) and an output port 5A of each manifold block 1 connected to the second output port, the supply is supplied to the lower output channel 5 in FIG. 1 connected to the output port 5A. Is done.

Next, the fluid pressure supplied to the output flow path 5 in the lower part of FIG. 1 is the operating fluid of each of the operating valves 30 in the lower part of FIG. Introduced into room 38,
By this introduction, the piston 33 and the shaft 34 of each operating valve 30 are lowered against the urging force of the spring 35, and the lower surface of the shaft 34 pushes down the upper surface of the diaphragm 36 and separates from the port 41 thereof. The port 41 is opened, and a fluid such as a liquid flows from the port 41.

As described above, in the present embodiment, each of the operating valves 30 of each of the manifold blocks 1 on the upper side or the lower side in FIG.
The output flow path 5 and the supply flow path 4 connected to each other can be operated synchronously as a common flow path, and the output flow path 5 and the supply flow path 4 can be shared. Accordingly, space saving, weight reduction, simplification, simplification of manufacturing, and reduction in manufacturing cost of the device itself can be achieved.

As described above, the present invention has been specifically described based on the embodiments. However, the present invention is not limited to the embodiments.
It goes without saying that various changes can be made without departing from the gist of the invention.

[0031]

【The invention's effect】

The effects obtained by typical ones of the inventions disclosed by the present application will be briefly described as follows.

(1). Locking claws are provided on one side of the plurality of manifold blocks connected to each other so as to face outward, and locking claws formed on another adjacent manifold block are locked on the other side. Also, since a locked portion that opens to the end face is formed, when the manifold blocks are stacked, the stacking manifold is assembled by locking the locking claw and the locked portion. On the other hand, when the locking claws are pressed from the locked portions, the manifold blocks can be easily disassembled.

(2). End plates are stacked on both ends of a manifold assembly including a plurality of manifold blocks, and the end plates can be easily removed from the manifold assembly by pressing the locking claws from the openings.

(3). A seal member for preventing fluid leakage from the connection part is interposed at the connection part of the flow paths connected to each other, so that it is possible to reliably prevent fluid leakage from the connection part of the flow path.

[Brief description of the drawings]

FIG. 1 is a plan sectional view partially showing a stacking manifold block according to an embodiment of the present invention;

FIG. 2 is a partial front view of FIG. 1;

FIG. 3 is a partially cutaway side view of FIG. 1;

FIG. 4 is an enlarged sectional view for explaining a differential pressure plug.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Manifold block, 2 ... Locking claw, 3 ... Locked part, 4 ... Supply channel, 4A ... Supply port, 5 ... Output channel, 5A ... Output port, 6 …… Seal member, 7… Space, 20 …… Solenoid valve, 30 …… Operating valve, 31 …… O-ring, 32 …… Cylinder, 32A …… Breathing port, 33 …… Piston, 34 …… Shaft, 35 ... Spring, 36 ... Diaphragm, 37 ... Packing, 38 ... Working fluid chamber, 39 ... Valve chamber, 40 ... Valve seat member, 41 ... Port, 42 ... Common path, 50 ... End plate, 50A: Supply port, 50B: Flow path, 50C: Annular groove, 60: Differential pressure plug, 60A: Flange, 60B: Rib, 60C: Hollow.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) F15B 11/00-11/22 F16K 27/00

Claims (3)

(57) [Claims] 1. A stacking manifold in which a plurality of manifold blocks each having a connecting surface on both sides are connected to each other, wherein each of the manifold blocks penetrates from one of the connecting surfaces to the other of the connecting surfaces. Forming a plurality of flow paths, and providing a pair of elastically expandable locking claws outwardly facing each other at both ends of one of the connection surfaces of each of the manifold blocks; At both end portions of the other connection surface of the other, there is provided a locked portion where the locking claw of the other adjacent manifold block is locked at the time of connection and is opened at the end surface, and the respective manifold blocks are overlapped with each other. By locking each locking claw to the locked portion by narrowing each of the locking claws, the plurality of manifold blocks can be A stacking manifold characterized in that the flow paths are connected to each other so as to be detachably connected to each other. 2. An end plate connected to one end of a manifold assembly formed by connecting a plurality of the manifold blocks is provided with a locked portion that locks the locking claw and opens on an end surface. The stacking manifold according to claim 1, wherein a locking claw for locking the locked portion is provided on an end plate connected to the portion. 3. The stacking manifold according to claim 1, wherein a seal member for preventing leakage of fluid from the connection portion is interposed at a connection portion of the flow passages connected to each other.