JP2646335B2 - Fluid injection device having an acupressure operated injection valve - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fluid injection device having a finger-pressure operated injection valve, and more particularly to a fluid injection device which does not use a metal ball check valve and which has as few components as possible. The present invention relates to a fluid injection device having a finger-pressure-operated injection valve that reduces resource consumption and saves energy.

[0002]

2. Description of the Related Art Conventionally, as for a fluid ejecting apparatus having an acupressure-operated injector, an injector and a fluid ejecting apparatus suitable for the injector have been developed and used. However, even with the same person, it is difficult to apply finger pressure in the same direction. At the time of the acupressure operation, a coil spring suitable for a user's acupressure operation has been selected. However, it is not easy to select an appropriate coil spring in consideration of the operation force of the acupressure operation. In order to improve the performance of the injection valve, attempts have been made to make the structure of the injection valve complicated.However, there is a limit to the complexity of the structure of the injection valve, and it is necessary to achieve excellent performance at low cost. Is required.

[0003]

SUMMARY OF THE INVENTION Therefore, the present invention reduces the number of parts of an injection valve without using a metal material such as a metal ball check valve, and saves resources and energy. A first object is to obtain a fluid ejection device having the intended acupressure operated injection valve. A second object of the present invention is to provide a fluid ejecting apparatus having an acupressure operated injection valve which is easy to manufacture without increasing the accuracy. Further, a third object of the present invention is to be able to move up and down a check valve provided at a lower end opening of a fluid ejecting apparatus having a finger-pressure operated injection valve of an injection valve mechanism.

[0004]

According to the present invention, the lower part of a valve housing 5 containing a finger-pressure-operated injection valve having a flow path of a jetting fluid therein is formed by opening and closing valve body parts 28 and 27.
Can be resiliently raised upward, a resilient member is provided on one side of the upper side or the lower side, a check valve is positioned below the resilient member, and the check valve 21 and the upper part thereof are The opening and closing valve tip portion 13 of the injection valve mechanism is provided at the upper end, and the lower end portion of the flow path of the ejection fluid of the acupressure operated injection valve is closed by the opening and closing valve tip portion 13 of the injection valve mechanism. The injection head 1 and the opening 2 for inserting the injection head support cylinder portion axially attached thereto are closed by the on-off valve tip portion 13 of the injection valve mechanism, and the injection head 1 and the injection head support cylinder portion axially mounted thereon are inserted. When the opening 2 is lowered, the more the check valve 21 and the opening 2 for injection head support cylinder portion insertion above it are lowered, the narrower the area of the room becomes. The air pushes down the opening / closing valve body portions 27 and 28 to move the opening / closing valve tip portion 13 of the injection valve mechanism. Then, the vertical through-hole 9 of the injection head support cylinder is opened, and the air in the room can pass through the vertical through-hole 9 of the injection head support cylinder, and can be ejected from the injection port. The room formed by the stop valve 21 and the opening 2 for injection head support cylinder part insertion above it is narrowed, and air trapped in the room is injected into the injection head support cylinder part insertion opening 2. The air can be sucked into the room by opening the check valve 21 while ejecting the gas into the vertical through-hole 9 of the head support cylinder, and then the check valve 21 and the opening for inserting the injection head support cylinder are provided. A room formed between the lower end portion of the injection head support cylinder portion and the lower end enlarged portion 11 of the lower end portion 2 serves as an air storage chamber, which can be enlarged and reduced, and the reduced air in the air storage chamber is supplied to the outside. In order to squirt, the opening and closing valve tip portion 13 of the injection valve mechanism is lowered. In this manner, the vertical through-hole 9 of the injection head support cylinder portion can be opened, and the lower end portion of the injection head support cylinder portion insertion opening 2 at the upper side of the injection head support cylinder lower end enlarged portion 11 is The configuration is such that air from the outside is easily sucked into the upper space generated when the jet head supporting cylinder lower end enlarged portion 11 descends, and the air is supplied to the periphery of the jet head supporting cylinder lower end enlarged portion 11. Through the upper portion of the lower end portion of the injection head support tube portion insertion opening portion 2 from the upper portion of the lower end portion 11 of the injection head support tube portion to be below the lower end portion 11 of the injection head support tube portion. Next, the opening 2 for inserting the injection head support cylinder portion
This is a fluid ejection device having a finger-pressure-operated injection valve that can be sucked from a check valve 21 below a lower end portion 11 of the lower end portion of the injection head support cylinder.

[0005]

According to the present invention, the lower portion of the valve housing 5 containing the acupressure-operated injection valve having a flow path of the ejection fluid therein can be resiliently raised with the opening / closing valve body portions 28 and 27 upward. The resilient member is provided on one side of the upper side or the lower side, and the check valve is positioned below the resilient member, and the check valve 21 and the open / close valve tip portion of the injection valve mechanism are provided on the upper end of the upper portion. 13, the lower end of the flow path of the ejection fluid of the acupressure-operated injection valve is closed by the on-off valve tip portion 13 of the injection valve mechanism, and in the closed state, the injection head 1 and the injection axially attached thereto When the head support tube insertion opening 2 is closed by the on-off valve tip portion 13 of the injection valve mechanism and the injection head 1 and the injection head support tube insertion opening 2 attached to the injection head 1 are lowered, the check valve is opened. 21 and the upper opening 2 for the injection head support cylinder are lowered. Enough to lever, to narrow the breadth of the room, the room air in the opening and closing valve body 27,2
8, the opening / closing valve tip portion 13 of the injection valve mechanism is opened, and the vertical through hole 9 of the injection head support cylinder is opened, and the air in the room passes through the vertical through hole 9 of the injection head support cylinder. It can pass through and be ejected from the injection port. Therefore, the room formed by the check valve 21 and the opening 2 for inserting the injection head support cylinder in the upper part thereof is narrowed, and the air trapped in the room is supplied to the opening 2 for injection head support cylinder. The air can be sucked into the room by opening the check valve 21 while ejecting the gas into the vertical through-hole 9 of the injection head support cylinder provided, and the check valve 21 and the injection head support cylinder are inserted. A room formed between the lower end portion of the nozzle opening 2 and the enlarged portion 11 at the lower end of the injection head support tube portion serves as an air storage room, which can be enlarged and reduced, and the reduced air storage room In order for air to be blown out, the on-off valve tip portion 13 of the injection valve mechanism
Can be opened to open the vertical through-hole 9 of the injection head support tube portion, and the lower end portion of the injection head support tube portion lower end enlarged portion 11 at the lower end portion of the injection head support tube portion insertion opening 2 can be opened. On the upper side, it is configured such that air from the outside is easily sucked into an upper space portion generated when the enlarged portion 11 of the lower end portion of the injection head support cylinder portion is lowered. After passing through the peripheral portion of the enlarged portion 11, it moves from the upper side of the lower end portion 11 of the injection head support tube portion at the lower end portion of the opening 2 for inserting the jet head support tube portion to below the lower end enlarged portion 11 of the jet head support tube portion. Acupressure operation which can be performed through the check valve 21 below the lower end portion 11 of the lower end portion of the injection head support tube portion at the lower end portion of the injection head support tube portion insertion opening 2. It is a fluid injection device having a type injection valve.

[0006]

[Embodiment 1] In the present invention, the lower portion of a valve housing 5 having a built-in acupressure-operated injection valve having a flow path of a jetting fluid therein is resiliently moved upward with opening and closing valve body portions 28 and 27 upward. The resilient member is provided on one side of the upper side or the lower side, and a check valve is positioned below the resilient member, and the check valve 21 and the opening / closing valve of the injection valve mechanism are provided at the upper end of the upper part. A tip portion 13 is provided, and the lower end portion of the flow path of the ejection fluid of the acupressure-operated injection valve is closed by the opening / closing valve tip portion 13 of the injection valve mechanism. When the injection head support tube insertion opening 2 is closed by the opening / closing valve tip portion 13 of the injection valve mechanism, and the injection head 1 and the injection head support tube insertion opening 2 attached to the injection head 1 are lowered, the injection head 1 reverses. Lower the stop valve 21 and the opening 2 for inserting the injection head support cylinder into the upper part thereof. More makes it brought into, by narrowing the width of the room, the air in the room off valve body portion 27,
28, the opening / closing valve tip portion 13 of the injection valve mechanism is opened, the vertical through-hole 9 of the injection head support cylinder is opened, and the air in the room passes through the vertical through-hole 9 of the injection head support cylinder. It can pass through and can be ejected from the injection port.
1 and a room formed by the injection head support cylinder part insertion opening 2 in the upper part thereof is narrowed, and air trapped in the room is provided in the injection head support cylinder part insertion opening 2. The air can be sucked into the room by subsequently opening the check valve 21 while ejecting the gas into the vertical through-hole 9 of the cylindrical portion. The room formed between the lower end portion of the injection head support cylinder portion and the lower end enlarged portion 11 serves as an air storage chamber, which can be expanded and reduced, and the reduced air in the air storage chamber is ejected to the outside. The opening / closing valve tip portion 13 of the injection valve mechanism is lowered so that the vertical through-hole 9 of the injection head support cylindrical portion is lowered.
Can be opened, and above the lower end portion 11 of the injection head support tube portion at the lower end portion of the opening portion 2 for inserting the injection head support tube portion, when the lower end portion 11 of the lower end portion of the injection head support tube portion descends. It is configured such that air from the outside is easily sucked into the generated upper space portion, and the air passes through the peripheral portion of the enlarged portion 11 at the lower end of the injection head support cylinder portion, and is inserted into the injection head support cylinder portion. Is formed so as to be able to move from the upper side of the lower end portion 11 of the spray head support cylinder at the lower end portion of the opening portion 2 to the lower side of the lower end portion 11 of the spray head support cylinder lower portion. This is a fluid ejection device having a finger-pressure-operated injection valve capable of suctioning from a check valve 21 below a lower end portion 11 of an injection head support cylinder at a lower end portion of a use opening 2.

[0007]

According to the present invention, the lower part of the valve housing 5 containing the acupressure operated injection valve having a flow path of the ejected fluid therein can be resiliently raised with the opening / closing valve body parts 28 and 27 upward. The resilient member is provided on one side of the upper side or the lower side, and the check valve is positioned below the resilient member, and the check valve 21 and the open / close valve tip portion of the injection valve mechanism are provided on the upper end of the upper portion. 13, the lower end of the flow path of the ejection fluid of the acupressure-operated injection valve is closed by the on-off valve tip portion 13 of the injection valve mechanism, and in the closed state, the injection head 1 and the injection axially attached thereto When the head support tube insertion opening 2 is closed by the on-off valve tip portion 13 of the injection valve mechanism and the injection head 1 and the injection head support tube insertion opening 2 attached to the injection head 1 are lowered, the check valve is opened. 21 and the upper opening 2 for the injection head support cylinder are lowered. Enough to lever, to narrow the breadth of the room, the room air in the opening and closing valve body 27,2
8, the opening / closing valve tip portion 13 of the injection valve mechanism is opened, and the vertical through hole 9 of the injection head support cylinder is opened, and the air in the room passes through the vertical through hole 9 of the injection head support cylinder. It can pass through and be ejected from the injection port. Therefore, the room formed by the check valve 21 and the opening 2 for inserting the injection head support cylinder in the upper part thereof is narrowed, and the air trapped in the room is supplied to the opening 2 for injection head support cylinder. The air can be sucked into the room by opening the check valve 21 while ejecting the gas into the vertical through-hole 9 of the injection head support cylinder provided, and the check valve 21 and the injection head support cylinder are inserted. A room formed between the lower end portion of the nozzle opening 2 and the enlarged portion 11 at the lower end of the injection head support tube portion serves as an air storage room, which can be enlarged and reduced, and the reduced air storage room In order for air to be blown out, the on-off valve tip portion 13 of the injection valve mechanism
Can be opened to open the vertical through-hole 9 of the injection head support tube portion, and the lower end portion of the injection head support tube portion lower end enlarged portion 11 at the lower end portion of the injection head support tube portion insertion opening 2 can be opened. On the upper side, it is configured such that air from the outside is easily sucked into an upper space portion generated when the enlarged portion 11 of the lower end portion of the injection head support cylinder portion is lowered. After passing through the peripheral portion of the enlarged portion 11, it moves from the upper side of the lower end portion 11 of the injection head support tube portion at the lower end portion of the opening 2 for inserting the jet head support tube portion to below the lower end enlarged portion 11 of the jet head support tube portion. Acupressure operation which can be performed through the check valve 21 below the lower end portion 11 of the lower end portion of the injection head support tube portion at the lower end portion of the injection head support tube portion insertion opening 2. It is a fluid injection device having a type injection valve.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of an embodiment of a fluid ejecting apparatus having an acupressure operated injection valve according to the present invention.

FIG. 2 is a longitudinal sectional view of another embodiment different from the fluid ejection device having the acupressure-operated injection valve shown in FIG. 1;

FIG. 3 is a longitudinal sectional view of an on-off valve structure portion of an injection valve mechanism which is a main part of an embodiment of the fluid injection device having the acupressure-operated injection valve shown in FIG. 1;

FIG. 4 is a bottom view of an on-off valve structure of an injection valve mechanism, which is a main part of the embodiment of the fluid injection device having the acupressure operated injection valve shown in FIG. 3;

5 is another embodiment of the fluid ejection device having the acupressure operated type injection valve shown in FIG. 1 and is an embodiment of the present invention shown in FIG. It is a top view of the upper structure part of the opening / closing valve structure part of a valve mechanism.

6 is a side view of an upper structure portion of an on-off valve structure portion of a two-member injection valve mechanism which is a main part of the embodiment of the fluid injection device having the acupressure operated injection valve shown in FIG. 5; It is.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Injection head 2 Injection head support tube insertion opening 3 Injection head support cylinder 4 Downward large-diameter cylindrical part of injection head 5 Valve housing 6 Downward large-diameter cylindrical guide cylindrical projection 7 Container lid integral with housing Part 8 Seal attached to the inside of the container lid part 9 Vertical through-hole of the injection head support cylinder part 10 Horizontal injection hole provided in the injection head 11 Enlarged lower end part of the injection head support cylinder part 12 Lower part opening of the injection head support cylinder part 13 opening / closing valve tip part of injection valve mechanism 14 through hole between housing and container lid 15 operation restriction lid of injection head support cylinder part 16 through hole of operation restriction lid of injection head support cylinder part 17 push-up spring type for on / off valve Leg piece 18 Spring-type opening / closing valve support member of the injection valve mechanism 19 Spring-type leg-spring inclined portion 20 Spring-type opening / closing valve support member contacting inclined portion 21 Deformable check valve function member 22 Deformable check valve function Passage to member room 2 Projecting portion for supporting outer side of liquid supply pipe 24 Projecting portion for supporting inner side of liquid supply tube 25 Liquid supply tube 26 Female screw portion provided inside container lid 27 Opening / closing valve body portion 28 Opening / closing valve body portion 29 Opening / closing valve body portion Lower enormous portion 30 Lateral injection port formation 31 Lateral injection port formation support part 32 Inward annular projection

Claims (1)

(57) [Claims] 1. A lower part of a valve housing 5 having a built-in acupressure-operated injection valve having a flow path of a jetting fluid therein so that an on-off valve main body part 28, 27 can be resiliently raised upward. , A resilient member is provided on one of the upper side and the lower side, and a check valve is positioned below the resilient member, and the check valve 21
An opening / closing valve tip portion 13 of the injection valve mechanism is provided at the upper end of the upper portion thereof, and the lower end portion of the flow path of the ejection fluid of the acupressure operated injection valve is closed by the opening / closing valve tip portion 13 of the injection valve mechanism, In the closed state, the injection head 1 and the injection head support tube insertion opening 2 axially attached thereto are closed by the on-off valve tip portion 13 of the injection valve mechanism, and the injection head 1 and the injection axially mounted thereon are closed. When the head support tube insertion opening 2 is lowered, the more the check valve 21 and the injection head support tube insertion opening 2 above the check valve 21 are lowered, the narrower the room becomes. Then, the air in the room pushes down the opening / closing valve body portions 27 and 28 to open the opening / closing valve tip portion 13 of the injection valve mechanism, opens the vertical through hole 9 of the injection head support tube portion, and opens the air in the room. Is
It is possible to pass through the vertical through-hole 9 of the injection head support cylinder part and jet out of the injection port, where the check valve 21 and the upper part of the injection head support cylinder part insertion opening 2 are formed. The room is made small, and the air trapped in the room is blown out into the vertical through-hole 9 of the injection head support cylinder provided in the injection head support cylinder insertion opening 2, and then the check valve 21 is opened. Air can be sucked into the room by the check valve 2
A room formed between the lower end portion 1 of the injection head support tube portion insertion opening 2 and the enlarged portion 11 of the lower end portion of the spray head support tube portion serves as an air storage room, which can be enlarged and reduced. In addition, since the reduced air in the air storage chamber blows out, the on-off valve tip portion 13 of the injection valve mechanism can be lowered to open the vertical through-hole 9 of the injection head support cylinder. And the opening 2 for inserting the injection head support cylindrical part.
Above the lower end portion 11 of the injection head support cylinder portion at the lower end portion, the air is easily sucked from the outside into the upper space generated when the lower end portion 11 of the injection head support cylinder lowers. Also, the air passes through the peripheral portion of the enlarged portion 11 of the lower end portion of the injection head support tube portion, and from the upper side of the lower end portion 11 of the lower end portion of the injection head support cylinder portion at the lower end portion of the opening 2 for insertion of the injection head support tube portion. It is formed so as to be able to move below the lower end portion 11 of the injection head support tube portion, and then the lower side of the lower end portion 11 of the lower end portion of the injection head support tube portion insertion opening 2. A fluid ejection device having a finger-pressure-operated injection valve capable of suctioning from a check valve 21 of the present invention.