JP3327448B2 - Spray container - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spray container capable of ejecting a liquid material such as a detergent for a house even in an inverted state.

[0002]

2. Description of the Related Art As is well known, a trigger is sprayed on a spray container (trigger type spray container) in which a trigger type sprayer is attached to an opening of a container body, and air in a cylinder is discharged to the outside. When the trigger is returned, the liquid is sucked through the pipe immersed in the liquid, the liquid is filled in the cylinder, and the trigger is pulled again to push out the liquid in the cylinder to the vertical pipe. There is a type which guides and further ejects from a nozzle finally through a horizontal conduit and a spin element.

[0003] Such spray containers are widely used as containers for filling liquids such as finishing agents for clothing, sizing agents for clothing, detergents for houses and the like.

[0004]

The above-described conventional spray container is usually manufactured on the assumption that the spray container is used upright. Liquid material leaks through the
Use in such an inverted state was impossible. Therefore, when spraying the detergent toward the near side such as a bathtub or a toilet, the detergent must be sprayed with the wrist turned upside down, which is very difficult to use.

An object of the present invention is to provide a spray container capable of suitably ejecting a liquid material filled in a container body in an upright state or an inverted state.

[0006]

According to the present invention, a trigger sprayer 3 is attached to an opening of a container body 2 for filling a liquid material, and the trigger sprayer 3 is connected to a horizontal pipeline 4 communicating with each other. A sprayer body 6 provided with a vertical cylinder 5 and a piston / cylinder mechanism 12 for supplying a liquid material to the horizontal and vertical pipes 4 and 5; It has a trigger 7 movably mounted and an intake 10 mounted on the vertical conduit 5, and allows the outside air to flow into the container body 2 into the intake 10 in an upright state or an inverted state. A check valve 13 for shutting off the air and introducing outside air into the container body 2 when the inside of the container body 2 becomes negative pressure is provided. Liquid in container body 2 A spray container provided with a suction pipe device 27 for sucking an object, wherein the suction pipe device 27 includes the pipe 11 and the liquid supply check valve 14, and the liquid supply check valve 14. In the upright state of the spray container, a liquid substance can be sucked from the tip of the pipe 11, and in the inverted state of the spray container, a communication hole provided in the check valve 14 for liquid supply. 25
d so as to be capable of sucking a liquid material therethrough and preventing backflow of the liquid material from the inside of the vertical pipe line 5 by the liquid pressure of the liquid material in the container body 2.
Are disposed inside the ring portion 131 having a plurality of protrusions protruding inward, and
Disk portion 13 having a plurality of protrusions protruding toward
2 and the ring portion 131 and the disk portion 132 , respectively.
Is that a plurality of <br/> connecting member 133 having flexibility to be connected by a pair of protrusions each other to provide a spray container, characterized in that it comprises a valve body 130 that is integrally formed As a result, the above object has been achieved.

In the spray container according to the present invention, whether the spray container is in the upright state or the inverted state, the inflow of outside air is shut off by the check valve for introducing outside air, so that leakage of the liquid material is reliably suppressed. I have. When the trigger is operated in this state, the liquid material in the container body is supplied to the vertical pipe through a suction pipe device that sucks the liquid material from inside the container body. When the trigger is further operated, the liquid is ejected to the outside through the horizontal pipe.
When the inside of the container body becomes a negative pressure due to the operation of the trigger, the check valve for introducing outside air opens, and outside air flows into the container body, so that deformation of the container body is suppressed.
The liquid supply check valve is provided with a liquid passage communicating with the inside of the container main body, and when the spray container is in an inverted state, the liquid supply check valve is filled with a liquid material. Therefore, the liquid pressure of the liquid material in the container main body prevents the liquid material from flowing back from inside the vertical pipe at the time of the trigger operation.

[0008]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

1 to 3 show one embodiment of a spray container according to the present invention. In FIG.
Indicates a spray container.

[0010] As shown in FIG.
Is configured such that a trigger sprayer (hereinafter, simply referred to as “sprayer”) 3 for ejecting the liquid material is attached to an opening of a bottomed container body 2 for filling the liquid material.

The sprayer 3 includes a sprayer body 6 having a horizontal pipe 4 and a vertical pipe 5 communicating with the horizontal pipe 4 therein, and a trigger rotatably mounted on the sprayer body 6. 7, a spin element 8 mounted on the front part of the horizontal pipe 4, a nozzle member 9 mounted on the front part of the spin element 8, and an intake 10 mounted on the vertical pipe 5. I have.

The horizontal conduit 4 of the sprayer body 6
A piston / cylinder mechanism 12 that is operated by the trigger 7 is disposed at a lower part of the piston.

In the intake 10, whether in the upright state or the inverted state, the inflow of outside air from the outside air introduction hole 6 a is shut off, and the trigger 7 is pulled, so that the inside of the container body 2 becomes negative pressure. Sometimes, a check valve 13 for introducing outside air into the container body 2 through the outside air introduction hole 6a.
The intake 10 is provided with a suction pipe device 27 for sucking a liquid material from inside the container body 2.

As shown in FIGS. 2 (a) and 2 (b), the valve element 130 of the check valve 13 for introducing outside air has a ring portion 131 having three projecting portions, and a ring portion 131 provided inside the ring portion 131. Disk portion 132 having three projections disposed
And a three-piece flexible arc-shaped connecting member 133 for connecting the ring portion 131 and the disk portion 132 with each other by projecting portions. Then, the disk unit 132
When a pressure higher than a predetermined value is applied to the
By bending the disk 3, the disk part 132 moves up and down below the outside air introduction hole 6a, and functions as a check valve. In the present embodiment, the ring portion 131 of the valve body 130 is fixed by being sandwiched between a top plate portion of a fitting wall portion 10c of the intake 10 described later and the cylindrical wall portion 12a.

In the spray container 1 of the present embodiment, the suction pipe device 27 includes the pipe 11 and the liquid supply check valve 14 mounted on the upper end of the pipe 11. The liquid supply check valve 14 supplies a liquid material to the vertical conduit 5 when the trigger 7 is operated in the upright state of the sprayer container 1 and, when the sprayer container 1 is in the upright state. This is a valve for supplying a liquid material to the vertical conduit 5 when the trigger 7 is operated. Here, the suction pipe device in the present invention means that a liquid material flows through the pipe to the vertical conduit 5 of the sprayer body 6 in order to supply liquid to the sprayer body regardless of whether the spray container is upright or inverted. Which form

The spray container 1 will be described in more detail. An insertion portion 4a is provided at a front portion of the sprayer main body 6 and at a tip portion of the horizontal conduit 4.
The spin element 8 is fitted to the insertion portion 4a. Then, at the tip of the spin element 8,
The nozzle member 9 having the nozzle tip 9a is fitted.

A double cylindrical wall 12a, 12b constituting a cylinder S of the piston-cylinder mechanism 12 is provided below the horizontal pipe 4. The cylindrical wall 12a is provided below the cylindrical wall 12a. The outside air introduction hole 6a through which outside air flows into the container body 2 is formed.

In a cylinder S composed of the cylindrical walls 12a and 12b, a piston member 15 constituting a piston P of a piston-cylinder mechanism 12 is provided with a coil spring 1
6 are provided. The sliding portion 15a of the piston member 15 closes the outside air introduction hole 6a when the trigger 7 is not pulled.

The trigger 7 is rotatably fitted inside the side wall of the sprayer body 6. A pressing projection 7a is provided on the rear surface of the trigger 7 to be in contact with the front end of the piston member 15. By rotating the trigger 7, the piston member 15 reciprocally slides in the cylinder S. You can do it.

On the other hand, below the sprayer body 6, there are provided double insertion walls 17, 18 surrounding the lower end of the vertical conduit 5, and these insertion walls 17, 18 are provided. 1
The intake 10 is fitted in the pipe 8 and the vertical pipe 5.

The intake 10 has a fitting wall 10c to be fitted to the fitting wall 18 and a vertical pipe 5 and the fitting wall 17 at an upper portion of the board 10b. A pipe 10d to be fitted is provided, and a pipe 10e communicating with the pipe 10d is provided below. A recess is formed in the top plate portion of the insertion wall portion 10c, and the valve body 130 is formed at an opening edge of the recess.
Of the ring portion 13a. The bottom of the recess is formed with the outside air introduction hole 10a, and when the inside of the container body 2 becomes a negative pressure, the outside air introduction hole 6a, the check valve 13 for outside air introduction, Further, the outside air flows into the container body 2 through the outside air introduction hole 10a.

The pipe portion 10d is formed with communication holes 10f and 10g communicating with the horizontal pipe 4 and the cylinder S, respectively. Further, a valve 20 is disposed above the inside of the pipe portion 10d. This valve 20
The flange 20a is supported by the support wall 10h to prevent the liquid material from flowing back from the horizontal conduit 4 and to prevent the liquid from flowing back below the support wall 10h to a desired pressure. The inside of the section 10d communicates with the horizontal conduit 4 to supply a liquid material to the horizontal conduit 4. A ball valve element 21 is provided below the valve 20. The ball valve element 21 is supported by a support wall 10i that protrudes into the pipe 10d, and prevents the liquid material from flowing back from the inside of the cylinder S.
When the liquid pressure below i rises to a desired pressure, the liquid is supplied upward.

A cap 22 having a vertical insertion hole is mounted above the intake 10. A female screw 22 a of the cap 22 and a male screw (not shown) on the outer periphery of the mouth of the container body 2 are provided. The sprayer 3 can be mounted on the container main body 2 by screwing the sprayer. In addition, a packing 23 for preventing liquid leakage is interposed between the inner surface of the cap body 22 and the upper end of the mouth of the container body 2.

The check valve 14 for supplying liquid has two pipes 24.
a, a tubular member 24 having a
It is mainly composed of a tubular member 25 having pipes 25a and 25b communicating with the pipe 24b and a funnel-shaped member 26 having a pipe 26a for collecting the pipes 25a and 25b.

The cylindrical member 24 is connected to the intake 10
The tip of the pipe 11 is fitted to the lower end of the funnel-shaped member 26.

The pipes 24a and 25a communicating with each other of the tubular members 24 and 25 form a valve chamber, and a ball valve body 25c is disposed inside thereof. A liquid passage 25d is formed in the side surface of the valve chamber, and when the spray container 1 is in an inverted state, a liquid is sucked from the liquid passage 25d. Then, the liquid material is sucked into the liquid supply check valve 14 through the liquid passage hole 25d, so that the liquid pressure in the container body 2
When the trigger 7 is operated while the spray container 1 is in an inverted state, the liquid can be prevented from flowing backward from the vertical pipe 5.

In the spray container 1 of the first embodiment, the liquid supply check valve 14 of the suction pipe device 27 is provided.
The internal volume V (see FIG. 1) is set to be larger than the amount of liquid ejected by one operation of the trigger 7 (the volume of the cylinder S), thereby enabling stable ejection. is there.

When the spray container 1 is in the upright state, as shown in FIG. 1, the inflow of outside air through the outside air introduction hole 6a is blocked by the outside air introduction check valve 13. When the trigger 7 is operated in this state,
The piston / cylinder mechanism 12 is operated to gradually reduce the pressure in the vertical pipe 5, so that the ball valve 25c closes the pipe 25a and the pipe 1
The liquid material is sucked from the lower end of 1 and supplied to the tube 10d of the intake 10 (arrow X in the figure). Trigger 7
Is operated, the liquid material is ejected to the outside through the vertical pipeline 5, the horizontal pipeline 4, the spin element 8, and the nozzle member 9. When the sliding portion 15a of the piston member 15 moves rearward from the outside air introduction hole 6a with the operation of the trigger 7, the outside air introduction check valve 13 opens, and outside air is passed through the outside air introduction hole 6a. Because of this, the deformation of the container body 2 is suppressed.

When the spray container 1 is in an inverted state, as shown in FIG. 3, the outside air introduction check valve 13 blocks the flow of outside air into the container body 2 through the outside air introduction hole 6a. In this state, leakage of the liquid material from the outside air introduction hole 6a is reliably suppressed.
Further, the ball valve element 25c closes the conduit 25a.
Therefore, when the trigger 7 is operated in this state, the piston / cylinder mechanism 12 is operated, and the inside of the vertical pipe 5 becomes a negative pressure, and the liquid material is sucked from the liquid passage hole 25d. It is supplied to the pipe part 10d (arrow Y in the figure). At this time, the backflow from the vertical pipe 5 is suppressed by the liquid pressure of the liquid material in the container main body 2. Therefore, only the valve closed by the ball valve body 25 c is used as the liquid supply check valve 14. It only needs to be provided. When the trigger 7 is further operated, the liquid is ejected to the outside through the vertical pipe 5, the horizontal pipe 4, the spin element 8, and the nozzle member 9. When the sliding portion 15a of the piston member 15 moves rearward from the outside air introduction hole 6a in accordance with the operation of the trigger 7, the outside air introduction check valve 13 opens, and outside air is passed through the outside air introduction hole 6a. 2
Because of this, the deformation of the container body 2 is suppressed. Also, at this time, since the outside air introduction check valve 13 is opened only to the extent that outside air can flow in, leakage of the liquid through the outside air introduction hole 6a is reliably suppressed.

As described above, according to the spray container 1, the liquid substance filled in the container main body 2 can be suitably ejected whether the spray container 1 is in the upright state or the inverted state.

The spray container 1 of the above embodiment is
The liquid supply check valve 14 is capable of sucking a liquid material from the tip of the pipe 11 when the spray container is in the upright state, and when the spray container is in the upright state.
The liquid material can be sucked through a communication hole 25d provided in the liquid supply check valve 14, and the liquid material in the container body 2 is prevented from flowing back from the vertical pipe 5 by the liquid pressure of the liquid material. Since it is provided, the structure of the suction pipe device 27 does not have to be complicated, so that it is possible to provide a low-cost container that can be easily assembled.

The spray container according to the present invention is not limited to the spray container of each of the above embodiments, and its size, shape, and the like can be appropriately changed without departing from the object of the present invention.

For example, in the spray container 1 of the above embodiment, the liquid supply check valve 14 is attached to the intake 10 and the pipe 11 is attached to the lower end of the liquid supply check valve device 14. The pipe 11 may be attached to the intake, and the liquid supply check valve 14 may be interposed in the longitudinally intermediate portion of the pipe 11.

In the spray container 1 of the above-described embodiment, the check valve 13 for introducing outside air is connected to the opening edge of the recess of the fitting wall 10 c provided on the intake 10 and the cylindrical shape of the piston / cylinder mechanism 12. The ring portion 131 of the valve body 130 is fixed by the wall portion 12a.
(A) As in the embodiment shown in (e), the cylindrical wall 12
a, a cylindrical wall portion 12c corresponding to the ring portion 131 of the valve body 130 is provided, a member 134 separate from the intake is fitted to the cylindrical wall portion 12c, and the member 134 and the cylindrical wall portion 12a may be provided so that the ring portion 131 of the valve body 130 is sandwiched and fixed.

[0035]

According to the spray container according to the present invention, the liquid material filled in the container body can be suitably ejected in the upright state and the inverted state. Further, since the structure of the suction pipe device does not need to be complicated, it is possible to provide a low-cost container which is easy to assemble.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a main part showing an erect state of an embodiment of a spray container according to the present invention.

FIG. 2 is a view showing a valve body of a check valve for introducing outside air of the spray container according to the embodiment, wherein (a) is a half sectional view and (b) is a plan view.

FIG. 3 is a side sectional view of a main part showing the inverted state of the spray container of the embodiment.

4A and 4B are diagrams showing another embodiment of the outside air introduction valve of the spray container according to the present invention, wherein FIG. 4A is a sectional side view of a main part showing another embodiment of the outside air introduction valve, and FIG. Principal part sectional view showing another embodiment of the outside air introduction valve, (c) is a principal part sectional view showing another embodiment of the outside air introduction valve, and (d) is another embodiment of the outside air introduction valve. Is a main part side sectional view showing another embodiment of the outside air introduction valve.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Spray container 2 Container main body 3 Trigger sprayer 4 Horizontal pipe 5 Vertical pipe 6 Sprayer main body 6a Outside air introduction hole 7 Trigger 10 Intake 11 Pipe 12 Piston / cylinder mechanism 13 Check valve for outside air introduction 14 Check for liquid supply Valve 25d Liquid passage 27 Suction pipe device

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takashi Okuno 2-1-3 Bunka, Sumida-ku, Tokyo Kao Co., Ltd. Inside the Research Laboratory (72) Inventor God Shin 2-1-3 Bunka, Sumida-ku, Tokyo Kao Stock (56) References JP-A-8-332423 (JP, A) JP-A-1-69658 (JP, U) JP-A-1-73361 (JP, U)

Claims (1)

(57) [Claims] 1. An opening of a container body 2 for filling a liquid material,
The trigger sprayer 3 is provided with a horizontal pipe 4 and a vertical pipe 5 communicating with each other.
A sprayer body 6 provided with a piston / cylinder mechanism 12 for supplying a liquid material to the vertical conduit 5, a trigger 7 rotatably mounted on the sprayer body 6,
An intake 10 mounted on the vertical conduit 5 to block the inflow of outside air into the container body 2 in the upright state or in the inverted state, and further, the inside of the container body 2 A check valve 13 for introducing outside air into the container body 2 when a negative pressure is applied is provided, and a liquid material in the container body 2 is sucked in an inverted state or an upright state. A spray container provided with a suction pipe device 27, wherein the suction pipe device 27 includes a pipe 11 and a liquid supply check valve 14, and the liquid supply check valve 14 When the container is in the upright state, the liquid material can be sucked from the tip of the pipe 11, and when the spray container is in the inverted state, the liquid material can be sucked through the communication hole 25d provided in the liquid supply check valve 14. Can be sucked One is provided to prevent reverse flow of liquid product from the container body above the vertical pipe inside 5 at a liquid pressure of the liquid material in the 2, the outside air introduction check valve 13, protrudes toward the inner side Duplicate
A ring portion 131 having a protruding portion of the number, the ring portion 13
A plurality of protrusions arranged inside and projecting outward
Portion 132, and the ring portion 131 and the disk portion 132 are connected by a set of protrusions , respectively.
A spray container comprising: a valve body 130 integrally formed with a plurality of flexible connecting bodies 133 having a flexible shape.