JP3722826B2 - Suction pipe device - Google Patents

Description

  The present invention relates to a suction pipe device for a spray container capable of ejecting a liquid material such as a household detergent even in an inverted state.

  As is well known, when the trigger is pulled on a spray container with a trigger sprayer attached to the mouth of the container body (trigger spray container), the air in the cylinder is discharged outside, and the trigger is returned. The liquid material is sucked through a pipe immersed in the liquid material, the liquid material is filled into the cylinder, and the trigger is pulled again to push out the liquid material in the cylinder and lead it to a vertical pipe. There is a type that finally ejects from a nozzle through a path and a spin element (for example, see Patent Document 1).

Such spray containers are widely used as containers for filling liquid materials such as garment finishing agents, garment pastes, and residential detergents.
Japanese Utility Model Publication No. 1-69658

  By the way, the conventional spray container as described above is usually prepared for use in an upright state, and when used in an inverted state, liquid material leaks through the air replacement vent hole. The use in such an inverted state is impossible. Therefore, when spraying detergent on the front side of a bathtub or toilet, it must be sprayed with the wrist turned up, which is very difficult to use.

  The objective of this invention is providing the suction pipe apparatus arrange | positioned in the spray container which can eject suitably the liquid substance with which the container main body was filled up in an upright state or an inverted state.

The present invention is a suction pipe device that is disposed in a spray container and sucks a liquid substance in the container body in an inverted state or an upright state and supplies it to a nozzle member, the suction pipe device comprising: a pipe; A liquid supply check valve mounted on the upper end of the pipe, the liquid supply check valve having two pipes and a pipe for collecting the two pipes. One of the pipes has a valve chamber, and a ball valve element is disposed inside the valve chamber, and a liquid passage communicating with the inside of the container body is provided on the side of the valve chamber. A hole is formed, and an outside air introduction hole communicating with an outside air introduction hole to the intake is formed on the top surface of the valve chamber. Between the outside air introduction hole of the valve chamber and the outside air introduction hole to the intake The recess is disposed below the outside air introduction hole to the intake and has an outside air introduction hole formed in the bottom surface portion. And the chamber portion is interposed with, in the erected state of the spray container, the suction with the ball valve element by the valve chamber is closed, the liquid material from the lower end of the pipe the liquid in the supply check valve In the inverted state of the spray container, the liquid material is sucked into the liquid supply check valve through the liquid passage hole, and the outside air introduction hole of the valve chamber is closed by the ball valve body. In addition, the backflow of the liquid material is prevented by the liquid pressure of the liquid material in the container body, and the outside air is introduced through the outside air introduction hole to the intake , the outside air introduction hole of the recess, the outside air introduction hole and the liquid passage hole of the valve chamber. The above-mentioned object is achieved by providing a suction pipe device characterized in that deformation of the container body is prevented by flowing into the container body.

In the spray container provided with the suction pipe device of the present invention, the inflow of outside air is blocked by the check valve for introducing the outside air or the ball valve body regardless of whether the spray container is upright or inverted. Leakage is reliably suppressed. When the trigger is operated in this state, the liquid material in the container body is supplied to the vertical pipe line through the suction pipe device that sucks the liquid material from the container body. When the trigger is further operated, the liquid material is ejected to the outside through the horizontal pipe. When the above-mentioned container main body becomes negative pressure with the trigger operation, opens the outside air introduction check valve house and ball valve element, since the outside air flows into the container body, deformation of the container body can be suppressed. Further, the liquid supply check valve is provided with a liquid passage hole communicating with the inside of the container body, and the liquid supply check valve is filled with a liquid material in the inverted state of the spray container. Therefore, the liquid pressure in the container body prevents the liquid material from flowing back from the vertical pipe during the trigger operation.

  According to the suction pipe device for a spray container according to the present invention, the liquid material filled in the container body can be suitably ejected in an upright state or an inverted state. Further, since the configuration of the suction pipe device does not have to be complicated, the assembly is easy and a low-cost container can be provided.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

  1 to 3 show an embodiment of a spray container provided with a suction pipe device according to the present invention. In the figure, reference numeral 1 denotes a spray container.

  As shown in FIG. 1, the spray container 1 is a trigger sprayer (hereinafter simply referred to as “sprayer”) 3 that ejects the liquid material to the mouth of a bottomed container body 2 filled with the liquid material. Is installed and configured.

  The sprayer 3 includes a sprayer main body 6 having a horizontal pipe 4 and a vertical pipe 5 communicating with the horizontal pipe 4 inside, a trigger 7 rotatably attached to the sprayer main body 6, A spin element 8 attached to the front part of the horizontal pipe 4, a nozzle member 9 attached to the front part of the spin element 8, and an intake 10 attached to the vertical pipe 5 are provided.

  A piston / cylinder mechanism 12 that is actuated by the trigger 7 is disposed below the horizontal conduit 4 of the sprayer body 6.

In addition, the intake 10 has the outside air when the inside of the container main body 2 becomes a negative pressure by blocking the inflow of the outside air from the outside air introduction path 6a and pulling the trigger 7 in the upright state or the inverted state. An outside air introduction check valve 13 for introducing outside air into the container body 2 through the introduction hole 6a is provided, and a suction pipe device 27 for sucking a liquid material from the inside of the container body 2 is provided in the intake 10. It is arranged.

  As shown in FIGS. 2A and 2B, the valve body 130 of the outside air introduction check valve 13 is disposed inside the ring portion 131 and the ring portion 131 having three projecting portions. The disk portion 132 having three projecting portions, and three flexible arc-shaped coupling bodies 133 that connect the ring portion 131 and the disk portion 132 with the projecting portions are integrally formed. It is a molded product made of plastics. Then, when a predetermined pressure or more is applied to the disk part 132, the connecting body 133 bends, whereby the disk part 132 moves up and down below the outside air introduction hole 6a, and functions as a check valve. It is supposed to do. In the present embodiment, the ring portion 131 of the valve body 130 is sandwiched and fixed 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 a pipe 11 and a liquid supply check valve 14 attached to the upper end of the pipe 11. The liquid supply check valve 14 supplies liquid material to the vertical pipeline 5 when the trigger 7 is operated in the upright state of the sprayer container 1 and also in the inverted state of the sprayer container 1. It is a valve that supplies liquid material to the vertical pipe line 5 when the trigger 7 is operated. Here, the suction pipe device in the present invention means that the liquid material flows through the pipe to the vertical conduit 5 of the sprayer body 6 in order to supply the liquid to the sprayer body regardless of whether the spray container is upright or inverted. That form.

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

  Double cylindrical wall portions 12a and 12b constituting the cylinder S of the piston / cylinder mechanism 12 are provided at a position below the horizontal pipeline 4, and a container is provided below the cylindrical wall portion 12a. The outside air introduction hole 6 a for allowing outside air to flow into the main body 2 is formed.

  A piston member 15 constituting a piston P of the piston / cylinder mechanism 12 is disposed via a coil spring 16 in the cylinder S constituted by the cylindrical wall portions 12a and 12b. 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 protrusion 7 a that contacts the front end of the piston member 15 is provided on the back surface of the trigger 7, and the piston member 15 reciprocally slides in the cylinder S by rotating the trigger 7. It is made possible.

  On the other hand, the lower portion of the sprayer body 6 is provided with double insertion wall portions 17 and 18 surrounding the lower end portion of the vertical pipe 5. The intake 10 is fitted in the duct 5.

The intake 10 is fitted to the upper part of the board 10b, the fitting wall 10c fitted to the insertion wall 18 and the vertical duct 5 and the insertion wall 17 at the upper part. And a pipe part 10e communicating with the pipe part 10d at the lower part. In the top plate portion of the insertion wall portion 10c , a recess is formed below the outside air introduction hole 6a from the sprayer body 6 to the intake 10, and at the opening edge of this recess, The ring portion 13a of the valve body 130 is clamped. In addition, an outside air introduction hole 10a is formed in the bottom surface portion of the recess, and when the inside of the container body 2 becomes negative pressure, the outside air introduction hole 6a, the outside air introduction check valve 13, and the like. The outside air flows into the container body 2 through the outside air introduction hole 10a. And between the outside air introduction hole 25e of the valve chamber mentioned later and the outside air introduction hole 6a to the said intake 10, the chamber part which has the recessed part in which the said outside air introduction hole 10a was formed intervenes.

  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 has a flange portion 20a supported by a support wall portion 10h, which prevents the backflow of the liquid material from the horizontal pipe 4, and the hydraulic pressure below the support wall portion 10h has increased to a desired pressure. Sometimes, the inside of the pipe portion 10d and the horizontal pipe line 4 are communicated to supply a liquid material to the horizontal pipe line 4. A ball valve body 21 is disposed below the valve 20. The ball valve body 21 is supported by a support wall portion 10i that protrudes into the pipe portion 10d, and prevents backflow of the liquid material from the cylinder S, and the hydraulic pressure below the support wall portion 10i is desired. When the pressure is increased, the liquid material is supplied upward.

  A cap body 22 having a vertical insertion hole is mounted above the intake 10, and a female screw 22 a of the cap body 22 and a male screw (not shown) on the outer periphery of the mouth of the container body 2 are screwed together. By doing so, the sprayer 3 can be attached to the container body 2. 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 liquid supply check valve 14 includes a cylindrical member 24 having two pipes 24a and 24b, a cylindrical member 25 having pipes 25a and 25b communicating with the pipes 24a and 24b, and the pipe. The funnel-shaped member 26 having a conduit 26a for collecting the passages 25a and 25b is mainly used.

  The tubular member 24 is fitted to the tubular wall 10 e of the intake 10, and the tip of the pipe 11 is fitted to the lower end of the funnel member 26.

Pipe lines 24a and 25a communicating with each other of the cylindrical members 24 and 25 form a valve chamber, and a ball valve body 25c is disposed therein. Further, a fluid passage hole 25d is formed on the side surface of the valve chamber, and in the inverted state of the spray container 1, a liquid material is sucked from the fluid passage hole 25d. Then, the liquid substance 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 causes the above-described operation when the trigger 7 is operated in the inverted state of the spray container 1. The backflow of the liquid substance from the vertical pipe line 5 can be prevented. Furthermore, an outside air introduction hole 25e communicating with the outside air introduction hole 6a to the intake 10 and the outside air introduction hole 10a in the recess is formed on the top surface of the valve chamber.

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

When the spray container 1 is in an upright state, as shown in FIG. 1, the outside air introduction check valve 13 blocks the flow of outside air through the outside air introduction hole 6a. When the trigger 7 is operated in this state, the piston / cylinder mechanism 12 is actuated to gradually reduce the pressure in the vertical pipe line 5, the pipe line 25 a is closed by the ball valve body 25 c, and the pipe 11 The liquid material is sucked from the lower end of the tube 10 and supplied to the tube portion 10d of the intake 10 (arrow X in the figure). When the trigger 7 is further operated, the liquid material 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 the outside air introduction hole 6a, the outside air introduction hole 10a, since the outside air introduction hole 25e, and the outside air through the liquid holes 25d flows into the container body 2, deformation of the container body 2 can be suppressed.

When the spray container 1 is in an inverted state, as shown in FIG. 3, the flow of outside air into the container body 2 through the outside air introduction hole 6a is blocked by the outside air introduction check valve 13. In this state, leakage of the liquid material from the outside air introduction hole 6a is reliably suppressed. The ball valve body 25c closes the outside air introduction hole 25e of the valve chamber. Accordingly, when the trigger 7 is operated in this state, the piston / cylinder mechanism 12 is operated, the inside of the vertical pipe line 5 becomes negative pressure, the liquid material is sucked from the liquid passage hole 25d, and the intake 10 It is supplied to the pipe part 10d (arrow Y in the figure). At this time, since the backflow from the vertical pipe 5 is suppressed by the liquid pressure of the liquid in the container body 2, only the valve closed by the ball valve body 25c is provided in the liquid supply check valve 14. You just need to provide it. When the trigger 7 is further operated, the liquid material 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 as the trigger 7 is operated, the outside air introduction check valve 13 opens, and the outside air introduction hole 6a and the outside air introduction hole 10a. , the outside air introduction hole 25e, and the outside air through the liquid holes 25d so flowing into the container body 2, deformation of the container body 2 can be suppressed. Further, at this time, since the outside air introduction check valve 13 and the ball valve body 25c are opened only to the extent that the outside air can flow in, leakage of the liquid substance through the outside air introduction hole 6a is reliably suppressed.

  Thus, according to the spray container 1, the liquid material filled in the container body 2 can be suitably ejected regardless of whether the spray container 1 is upright or inverted.

  In the spray container 1 of the above embodiment, the liquid supply check valve 14 can suck the liquid from the tip of the pipe 11 when the spray container is upright. In the inverted state, the liquid material can be sucked through the communication hole 25d provided in the liquid supply check valve 14 and the liquid material from the vertical pipe 5 can be sucked by the liquid pressure in the container body 2. Since it is provided so as to prevent backflow and the configuration of the suction pipe device 27 does not have to be complicated, it is easy to assemble and a low-cost container can be provided.

  The spray container in which the suction pipe device according to the present invention is disposed is not limited to the spray container of each of the above-described embodiments, and the size, shape, and the like thereof are appropriately changed without departing from the object of the present invention. be able to.

  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 liquid supply check valve 14 may be interposed in the middle of the pipe 11 in the longitudinal direction.

  In the spray container 1 of the above embodiment, the check valve 13 for introducing the outside air is provided with the opening edge portion of the recess of the fitting wall portion 10 c provided in the intake 10 and the cylindrical wall portion 12 a of the piston / cylinder mechanism 12. Thus, the ring portion 131 of the valve body 130 is provided by being clamped and fixed. However, as in the embodiment shown in FIGS. 4A to 4E, the ring portion 131 of the valve body 130 is attached to the cylindrical wall portion 12a. A cylindrical wall portion 12c corresponding to the above is provided, a member 134 separate from the intake is fitted into the cylindrical wall portion 12c, and the ring of the valve body 130 is formed by the member 134 and the cylindrical wall portion 12a. You may provide so that the part 131 may be clamped and fixed.

It is principal part side sectional drawing which shows the erect state of one Embodiment of the spray container by which the suction pipe apparatus which concerns on this invention is arrange | positioned. It is a figure which shows the valve body of the check valve for the external air introduction | transduction of the spray container of the embodiment, (a) is a half sectional view, (b) is a top view. It is a principal part side sectional view which shows the inverted state of the spray container of the embodiment. It is a figure which shows the other form of the external air introduction valve of the spray container by which the suction pipe apparatus which concerns on this invention is arrange | positioned, (a) is principal part sectional side view which shows other embodiment of an external air introduction valve, b) is a principal side sectional view showing another embodiment of the outside air introduction valve, (c) is a principal side sectional view showing another embodiment of the outside air introduction valve, and (d) is a diagram of the outside air introduction valve. The principal part sectional side view which shows other embodiment, (e) is a principal part sectional side view which shows other embodiment of an external 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 9 Nozzle member 10 Intake 11 Pipe 12 Piston and cylinder mechanism 13 Check valve 14 for introducing outside air Liquid supply Check valve 24a, 25a One pipe line 24b, 25b Pipe line 25d Liquid passage hole 26a Collecting pipe line 27 Suction pipe device

Claims (2)

A suction pipe device that is disposed in a spray container and sucks a liquid substance in the container body in an inverted state or an upright state and supplies it to the nozzle member,
The suction pipe device comprises a pipe and a liquid supply check valve mounted on the upper end of the pipe,
The liquid supply check valve has two pipes and a pipe that collects the two pipes,
One of the two pipes has a valve chamber, and a ball valve element is disposed inside the valve chamber, and a side surface of the valve chamber includes an inside of the container body. A fluid passage hole is formed, and an outside air introduction hole communicating with the outside air introduction hole to the intake is formed on the top surface of the valve chamber,
A chamber having a recess between the outside air introduction hole of the valve chamber and the outside air introduction hole to the intake, which is disposed below the outside air introduction hole to the intake and has an outside air introduction hole formed in the bottom surface portion. Part is intervening,
In the upright state of the spray container, the valve chamber is closed by the ball valve body, and the liquid material is sucked into the liquid supply check valve from the lower end of the pipe and supplied to the nozzle member,
In the inverted state of the spray container, liquid is sucked into the liquid supply check valve through the liquid passage hole, the outside air introduction hole of the valve chamber is closed by the ball valve body, and the liquid in the container body is The back pressure of the liquid is prevented by the liquid pressure of the material,
Further , the outside air flows into the container body through the outside air introduction hole to the intake , the outside air introduction hole of the recess, the outside air introduction hole and the liquid passage hole of the valve chamber, and deformation of the container body is prevented. And suction pipe device.   An outside air introduction check valve is provided in the intake outside air introduction hole. When the spray container is in an inverted state, the outside air introduction check valve and the ball valve body are opened to the extent that the outside air can flow in. The suction pipe device according to claim 1, wherein deformation of the container body is prevented while suppressing leakage of the liquid substance through the outside air introduction hole.