Manifold electromagnetic valve and valve base

Patent metadata

Field	Value
Publication number	US-12140242-B2
Application number	US-202117910400-A
Country	US
Kind code	B2
Filing date	Feb 18, 2021
Priority date	Mar 11, 2020
Publication date	Nov 12, 2024
Grant date	Nov 12, 2024

Abstract

A valve base 15 has: a valve base main body 20 on which a connector accommodating portion 37 and a board installing hole 38 are formed; a board assembly 42 provided with a plurality of output terminals and a plurality of input terminals connected to the output terminals by output wirings, and attached to the board installing hole 38; a relay connector 41 provided with a solenoid-side connection portion connected to a solenoid terminal and a board-side connection portion connected to the output terminals, and attached to the connector accommodating portion 37; and a through hole 55 provided on the valve base main body 20 so as to communicate with the connector accommodating portion 37, and exteriorly exposing a part of the relay connector 41. A manifold electromagnetic valve is formed by striking the valve bases 15 against each other. A type of solenoid valve is indicated by the relay connector 41 attached to the valve base 15.

First claim

The invention claimed is:

1. A manifold solenoid valve having at least one solenoid valve unit that includes a solenoid valve provided with at least one solenoid and a valve base mounting the solenoid valve, the manifold solenoid valve comprising:
a board assembly in which a plurality of input terminals and a plurality of output terminals connected to the respective output terminals by output wirings are provided and that is attached to the valve base;
a relay connector that is provided with a solenoid-side connection portion connected to a terminal of the solenoid and a board-side connection portion connected to the output terminal and that is attached to the valve base; and
a through hole that is provided on the valve base and that exteriorly exposes a part of the relay connector attached to the valve base;
wherein the valve base includes a board insertion face, a side surface opposite to the board insertion face, a solenoid valve mounting face and an end wall portion that intersects the board insertion face, the side surface and the solenoid valve mounting face;
a board installing hole to which the board assembly is attached is formed on the valve base, penetrating the board insertion face and the side surface;
the through hole is formed in the end wall portion, penetrating the end wall portion;
wherein the relay connector has:
a plus common type first relay connector in which a plus side solenoid terminal of the at least one solenoid is connected to a common connection portion;
a minus common type second relay connector in which a minus side solenoid terminal of the at least one solenoid is connected to a common connection portion, and

any of the plus common type first relay connector and the minus common type second relay connector is attached to the valve base.

2. The manifold solenoid valve according to claim 1 ,
wherein the relay connector has at least a shape, a pattern, or a color of a portion exposed to the through hole of the relay connector based on a specification of the valve base or a specification of the solenoid valve mountable on the valve base.

3. The manifold solenoid valve according to claim 2 ,
wherein the relay connector has at least the color of the portion exposed to the through hole in the relay connector based on the specification of the valve base or by the specification of the solenoid valve mountable on the valve base.

4. The manifold solenoid valve according to claim 1 ,
wherein the first relay connector and the second relay connector are any of a relay connector connected to a double solenoid valve and a relay connector connected to a single solenoid valve,
the double solenoid valve being provided with two of first and second solenoids, and having:
a first board-side connection portion that is connected to one solenoid terminal of the first solenoid of the double solenoid valve;
a second board-side connection portion that is connected to one solenoid terminal of the second solenoid; and
the common connection portion that is connected to the other solenoid terminal of each of the first and second solenoids, and

the single solenoid valve being provided with a single solenoid, and having:
a first board-side connection portion that is connected to one solenoid terminal of the single solenoid valve; and
the common connection portion that is connected to the other solenoid terminal of the single solenoid valve.

5. The manifold solenoid valve according to claim 4 ,
wherein at least a color of a portion exposed to the through hole is different in the first relay connector connected to the double solenoid, the first relay connector connected to the single solenoid valve, the second relay connector connected to the double solenoid, and the second relay connector connected to the single solenoid.

6. A valve base forming a manifold solenoid valve by mounting solenoid valves each provided with at least one solenoid to be stricken against each other, the valve base comprising:
a valve base main body on which a solenoid valve mounting face, a connector accommodating portion opened to the solenoid valve mounting face, and a board installing hole penetrating in a width direction are formed;
a board assembly that is provided with a plurality of output terminals and a plurality of input terminals respectively connected to the output terminals by output wirings and is attached to the board installing hole;
a relay connector that is provided with a solenoid-side connection portion connected to a solenoid terminal of the solenoid, a board-side connection portion connected to the output terminals and that is attached to the connector accommodating portion; and
a through hole that is provided in the valve base main body in communication with the connector accommodating portion and that exteriorly exposes a part of the relay connector attached to the connector accommodating portion;
wherein the valve base includes a board insertion face, a side surface opposite to the board insertion face, a solenoid valve mounting face and an end wall portion that intersects the board insertion face, the side surface and the solenoid valve mounting face;
the board installing hole to which the board assembly is attached is formed on the valve base, penetrating the board insertion face and the side surface;
the through hole is formed in the end wall portion, penetrating the end wall portion;
wherein the relay connector has:
a plus common type first relay connector in which a plus side solenoid terminal of the at least one solenoid is connected to a common connection portion;
a minus common type second relay connector in which a minus side solenoid terminal of the at least one solenoid is connected to a common connection portion, and

any of the plus common type first relay connector and the minus common type second relay connector is attached to the valve base.

7. The valve base according to claim 6 ,
wherein the relay connector has at least a shape, a pattern, or a color of a portion exposed to the through hole of the relay connector based on a specification of the valve base or a specification of the solenoid valve mountable on the valve base.

8. The valve base according to claim 7 ,
wherein the relay connector has at least the color of the portion exposed to the through hole different depending on an internal wiring structure of the relay connector.

9. The valve base according to claim 7 ,
wherein the relay connector has at least the color of the portion exposed to the through hole different depending on a wiring pattern of the board assembly.

10. The valve base according to claim 6 ,
wherein the relay connector has: an engaging claw that is inserted into an engaging recess provided on the valve base; and an exposed claw that is inserted into the through hole, and
the exposed claw is visually recognized from exteriorly via the through hole.

11. The valve base according to claim 10 ,
wherein the exposed claw and the engaging claw are different from each other in a shape.

12. The valve base according to claim 10 ,
wherein a width dimension of the engaging claw is smaller than a width dimension of the through hole.

13. The valve base according to claim 10 ,
wherein the through hole has an outer engaging face engaged with the exposed claw,
the engaging recess has an inner engaging face engaged with the engaging claw, and
the outer engaging face and the inner engaging face are different from each other in a position of being engaged with the relay connector.

14. The valve base according to claim 1 ,
wherein the relay connector has an exposed claw that is inserted into the through

Assignees

• Koganei Ltd

Inventors

• Ohki Hirokazu

Classifications

• F16K31/0603

  Multiple-way valves · CPC title

• F16K27/048

  Electromagnetically actuated valves · CPC title

• F16K27/003 Primary

  Housing formed from a plurality of the same valve elements · CPC title

• F16K31/0675

  Electromagnet aspects, e.g. electric supply therefor · CPC title

• F16K31/06

  using a magnet {, e.g. diaphragm valves, cutting off by means of a liquid} · CPC title