JPH0437646Y2 - - Google Patents

Description

[Detailed explanation of the idea] [Industrial application field] The present invention relates to a sprayer.

[Conventional technology]

Conventionally, there have been many sprayers that attach a spray device to a container and press the spray head of the spray device to squirt out the liquid in the container. It is something.

However, when trying to spray a medicinal solution into the nostrils using such a sprayer in the case of empyema, for example, the fingers pushing the spray head get in the way, making it impossible to spray smoothly.

Also, when spraying insecticides, etc., if you want to spray the insecticides etc. deep into the crevices of furniture,
If you press the spray head, your fingers and hands will get in the way.
It is not possible to insert the sprayer into the gap between the furniture and spray.

Therefore, in Utility Model Application Publication No. 48-31604, etc.,
Atomizers have been provided that allow spraying without pressing the spray head with a finger.

In this system, a cap of a sprayer with a protrusion is inserted into a cylindrical body, and when the atomizer is slid inside the cylindrical body, a discharge valve whose valve diameter is fixed to the nozzle body is actuated to spray the contents. It is.

[Problem that the invention attempts to solve]

However, even when such sprayers use an accumulating pressure spray device or a spray device that uses pressurized gas, there is a problem in that it is difficult to spray the contents if the spray device is completely inverted. It was hot.

The present invention has been developed in view of these points, and its technical problem is to provide a sprayer that can spray even when used in an inverted position.

[Means for solving problems]

In order to solve the above-mentioned technical problem, the present invention provides a sprayer that sprays the liquid in the container 1 by pushing the spray head 4 of the spray device 2 attached to the mouth and neck of the container 1. I took measures.

That is, the container 1 and the spray device 2 are slidably provided in the cylinder 3, the spray head 4 is fixed to the end of the cylinder 3 with a holder 5, and the nozzle 7 is connected to the spray head 4. At the same time, a cap 8 is removably fitted to this nozzle 7, and the cylinder body 3 is attached to the container 1.
It has a cap insertion part 6 at the bottom end thereof,
The cap 8 can be detachably and slidably attached to the cap insertion portion 6 so that its open end is in contact with the bottom of the container 1, and the spray device 2 is fixed to the mouth and neck of the container 1. A holding cylinder 21 is provided, and an inner cylinder part 23 is formed inside the holding cylinder 21, through which the cylinder 31 is inserted, and a spray head 4 having a spout 44 is slidably fitted thereinto. In the space surrounded by the inner cylindrical portion 23 and the cylinder 31, a first pressure accumulating chamber 58 is formed between the spray head and the first plunger 51 that fits therein, and a second plunger passes through the inside of the first plunger 51. A second pressure accumulation chamber 59 is provided between the filling rod 52 and the filling rod 54, and a second check valve is provided in the cylinder 31 with a second valve seat formed on the tip side to prevent the contents of the cylinder 31 from flowing into the container. and a first check valve having a first valve seat opposite to the second valve seat, the first plunger 51 being slidable within a fitting cylinder 41 formed in the spray head 4. The second plunger 52 has a piston portion 61 that fits into the spout 44 .
A rod-shaped valve 63 that opens and closes is provided, a first slit 65 is provided around the rod-shaped valve 63 to form a liquid flow path, and a first communication hole 66 is formed at the tip of the tubular portion 64 to form a liquid flow path. and then the second
The plunger 52 is biased toward the spray head 4 side.

Here, the nozzle 7 may be protruded from the holder 5 and connected to the spray head 4, or it may be integrally connected to the spray head 4 itself and formed so as to pass through the holder 5.

In most cases, the direction in which the nozzle 7 faces is perpendicular to the axial direction of the spray head in order to avoid the finger from interfering with the spray when pushing the spray head 4 with a finger. In contrast,
In the case of the present invention, since the spray head 4 is not pressed with a finger, the nozzle 7 can be oriented in any direction. It is preferable to point it in the axial direction or tilt it slightly.

[Effect]

Remove the cap 8 from the nozzle 7, insert it into the cap insertion part 6 of the cylinder 3, hold the cylinder 3 with your hand,
When the cap 8 is pressed with a finger, the container 1 is pushed into the spray head 4 fixed to the cylinder body 3.
As the spray head 4 is pushed relatively,
The liquid in the container 1 is sprayed from the nozzle 7.

This is the first plunger 51 and the second plunger 5.
2 is pushed into the cylinder 31, and the second pressure accumulation chamber 59
As the internal pressure increases and the check valve closes, the liquid in the second pressure accumulation chamber 59 moves to the first pressure accumulation chamber 58 through the first communication hole 66 and the first slit 65. When the internal pressure of the first pressure accumulation chamber 58 becomes greater than the force pushing the first plunger 51, the first and second plungers 52 are pushed, and the rod-shaped valve 6 of the second plunger 52 is pushed.
3 is released, and the liquid is sprayed from the nozzle 7 through the spray head 4.

〔Example〕

An embodiment of the present invention will be described below with reference to FIGS. 1 to 3.

A container 1 and a spray device 2 screwed onto the mouth and neck of the container 1 are slidably provided in a cylinder 3.

This cylindrical body 3 is longer than the length of the container 1 and the spray device 2, and the spray head 4 of the spray device 2 is attached to one end of the cylindrical body 3.
A holder 5 for fixing the cap is fitted therein, and a cap insertion portion 6 is formed at the other end.

A nozzle 7 communicating with the spray head 4 is provided on the holder 5 and projects in the axial direction of the spray head 4, and a cylindrical cap 8 is removably fitted onto the nozzle 7. The cap 8 has an outer diameter smaller than the inner diameter of the cylindrical body 3, and a flange 9 is provided on the outer periphery of its open end.

Further, an annular projection 10 forming an inner diameter approximately equal to the outer diameter of the cap 8 on the inner periphery of the cap insertion portion 6
is provided protrudingly, and when the cap 8 is inserted into the cap insertion portion 6, the open end of the cap 8 is inserted into the container 1.
The flange 9 contacts the bottom of this annular projection 10.
The tip of the cap 8 protrudes from the cap insertion portion 6.

Next, regarding the spray device 2, this spray device 2 is of a pressure accumulating type that can be used for both normal and inverted positions, and a holding cylinder 21 is screwed onto the mouth and neck of the container 1. Peripheral wall 2 screwed into the mouth and neck of 1
2, and an inner cylinder portion 2 formed inside this peripheral wall 22.
3, and can freely slide inside the cylinder body 3 together with the container 1. The inner cylindrical portion 23 has a stepped portion 24 in the middle, and the distal end portion has a smaller diameter than the proximal end portion.

The holding cylinder 21 fixes the cylinder 31 within the mouth and neck of the container 1 via the seal packing 25 . This cylinder 31 has a first bypass hole 32 bored in the base on the mouth and neck side of the container 1, and a second bypass hole 33 bored in the middle part. An annular recess 34 is formed on the inner wall surface near the tip,
A suction pipe 35 that reaches the inner bottom of the container 1 is connected to the tip of the cylinder 31 . Further, a cylindrical rubber packing 36 is provided inside the cylinder 31 so as to cover the outer periphery of the base of the cylinder 31 in which the first bypass hole 32 is formed.

Further, the spray head 4 is slidably fitted into the inner cylinder portion 23 of the holding cylinder 21. The spray head 4 has a fitting tube 41 having an outer diameter approximately equal to the inner diameter of the tip of the inner tube 23, and has an annular shape on the peripheral edge of the fitting tube 41 that is hooked onto the stepped portion 24 of the inner tube 23. Projection 42
have. Further, a spouting pipe 43 fixed to the holder 5 and connected to the nozzle 7 is provided at the tip. Further, a partition plate 45 having a spout 44 formed therein is provided between the fitting cylinder 41 and the spout pipe 43.

Then, in a space surrounded by the spray head 4, the inner cylindrical portion 23 of the holding cylinder 21, and the cylinder 31, a first plunger 51 and a second plunger are sequentially installed from the spray head 4 side toward the tip of the cylinder 31. 5
2. A coil spring 53, a filling rod 54, a first ball valve 55, a stopper 56, and a second ball valve 57 are installed inside. The space between the spray head 4 and the first plunger 51 is a first pressure storage chamber 58, and the space between the second plunger 52 and the filling rod 54 is a second pressure storage chamber 59. The cross-sectional area B of the second pressure accumulating chamber 59 is smaller than the cross-sectional area A of the chamber 58.

The first plunger 51 has a cylindrical shape and has a piston portion 61 on the outer periphery of its tip portion that is slidably fitted into the fitting tube 41 of the spray head 4 so as to receive the internal pressure of the first pressure accumulation chamber 58. and a first skirt portion 6 that fits into the cylinder 31 in a watertight manner at its base end.
2.

Further, the second plunger 52 has a tubular portion 64 connected to the rod-shaped valve 63 that penetrates the inside of the cylindrical first plunger 51 and opens and closes the spout 44 of the spray head 4 at its tip. valve 63
A first slit 65 in the axial direction that forms a liquid flow path is provided around the tubular portion 64, and a first communication hole 66 that forms a liquid flow path is bored at the tip of the tubular portion 64. The cylinder 3 is located at the base end of the portion 64.
1 is formed with a second skirt portion 67 that fits water-tightly within the second skirt portion 67 . Furthermore, the diameter of the tubular portion 64 gradually increases toward the filling rod 54 side, and the base end of the first plunger 51 is fitted into the intermediate portion.

The second plunger 52 is urged toward the spray head 4 by the coil spring 53,
As a result, the first plunger 51 is pushed toward the spray head 4 side, and the spray head 4 is urged in a direction to protrude from the inner cylinder portion 23 to the outside via the rod-shaped valve 63. As a result, the holding cylinder 21 and container 1
is urged toward the opening of the cylindrical body 3, and the bottom of the container 1 slightly protrudes from the opening of the cylindrical body 3.

Further, the filling rod 54 has a cylindrical shape on the first ball valve 55 side and is fitted and fixed inside the cylinder 31, and a second communication hole 71 forming a liquid flow path is bored in this cylindrical portion. At the same time, the tip of the base on the first ball valve 55 side serves as a first valve seat 72, and the stopper 5
A second slit 7 is provided between the inner wall of the cylinder 31 and the inner wall of the cylinder 31.
3, a liquid flow path that bypasses the stopper 56 is formed.Furthermore, the inside of the tip of the cylinder 31 serves as a second valve seat 74.

Finally, the first bypass hole 32 bored in the cylinder 31 communicates with the gap between the first plunger 51 and the second plunger 52, and the second bypass hole 33 communicates with the second pressure accumulation chamber 59. ing.

Next, the operation of this embodiment will be explained.

Remove the cap 8 from the nozzle 7, fit it into the cap insertion part 6, hold the cylinder 3 with the nozzle 7 on top, and push the cap 8. The bottom of the container 1 is pushed and the container 1 and the holding cylinder 21 are pushed together. is pushed up towards the spray head 4 which is fixed to the cylinder body 3 with the holder 5, resulting in the same state as when the spray head 4 is pushed in relatively.

As a result, the first plunger 51 and the second plunger 5 resist the biasing force of the coil spring 53.
2 is pushed into the sill 31, and the second pressure accumulator 5
9 becomes narrower and its internal pressure increases, and the second ball valve 5
7 is closed, the liquid in the second pressure accumulator 59 is transferred to the first
It moves to the first pressure accumulation chamber 58 through the communication hole 66 and the first slit 65. And the second pressure accumulation chamber 59
From the sum (PB+F) of the force PB pushing the second plunger 52 and the first plunger 51 and the biasing force F of the coil spring 53, the internal pressure P inside the first pressure accumulation chamber 5
In other words, when the internal pressure P of 8 becomes larger than the force PA pushing the first plunger 51, P(A-B)
>F, the first and second plungers 52 are pushed by the internal pressure in the first pressure accumulator 58, and the closing of the spout 44 by the rod-shaped valve 63 of the second plunger 52 is released, allowing the spray to pass through the spray head 4. The liquid is then sprayed from the nozzle 7.

Thereafter, when the pressure on the cap 8 is released, the container 1, the holding cylinder 21, and the cylinder 31 are returned to their original positions by the coil spring 53, and the first plunger 51 and the second plunger 52 are retracted from inside the cylinder 31. Therefore, the inside of the second pressure accumulation chamber 59 becomes a burden,
The first ball valve 55 and the second ball valve 57 open and the suction pipe 3
5 , the liquid in the container 1 is sucked into the second pressure accumulation chamber 59 .

The above description has been made regarding the case where the spray device 2 is placed upright, but the operation is substantially the same when the spray device 2 is placed upside down with the nozzle 7 on the lower side. That is, when the cap 8 is pushed with the nozzle 7 facing downward, the internal pressure in the second pressure accumulating chamber 59 increases, the second ball valve 57 closes, and the liquid is sprayed from the nozzle 7 in the same manner as described above.

Then, the inside of the second pressure accumulation chamber 59 which stops pressing the cap 8 becomes negative pressure, but since the spray device 2 is in an inverted state and the first ball valve 55 is closed by its own weight, the pressure inside the second pressure accumulation chamber 59 is reduced. The liquid is replenished through the second bypass hole 33.

Further, the direction of the nozzle 7 may be slightly inclined or perpendicular to the axial direction of the spray head 4.

[Effect of idea]

According to the present invention, if the bottom of the container 1 is pushed with the cap 8 without pushing the spray head 4 or the nozzle 7, spraying is possible even when used in an inverted state.

In particular, when spraying insecticides etc. into gaps between furniture or behind objects, the spray is sufficient and convenient.

[Brief explanation of drawings]

FIG. 1 is a longitudinal cross-sectional view showing an embodiment of the present invention, FIG. 2 is a vertical cross-sectional view of a spray device portion thereof, and FIG. 3 is an exploded perspective view thereof. 1... Container, 2... Spray device, 3... Cylindrical body, 4
... spray head, 5 ... holder, 6 ... cap insertion section, 7 ... nozzle, 8 ... cap.

Claims (1)

[Scope of utility model registration request] The container 1 and the spray device 2 are slidably mounted on the cylinder 3, and the spray head 4 is attached to the cylinder 3 with a holder 5.
A nozzle 7 is connected to the spray head 4, and a cap 8 is removably fitted to the nozzle 7, and the cylinder 3 is inserted into the bottom end of the container 1. The cap 8 can be detachably and slidably mounted in the cap insertion section 6 so that its open end comes into contact with the bottom of the container 1. It is provided with a holding cylinder 21 that locks on the neck, and an inner cylinder part 23 is formed inside this holding cylinder 21, through which the cylinder 31 is inserted, and a spray head 4 having a spout 44 is slidably inserted thereinto. In the space surrounded by the spray head 4, the inner cylindrical portion 23, and the cylinder 31, there are the spray head 4 and the first plunger 51 fitted therein.
The space between the first pressure accumulator 58 and the first plunger 5
A second plunger 52 and a filling rod 54 passing through the interior of the
The space between them is used as a second pressure accumulation chamber 59, and the cylinder 31
Inside, a second valve seat is formed on the tip side to prevent the contents of the cylinder 31 from flowing into the container, and a second check valve is provided therein, and a first valve seat is provided opposite to the second valve seat. forming a first check valve, the first plunger 51
The second plunger 52 has a piston portion 61 that is slidably fitted into a fitting cylinder 41 formed in the spray head 4, and the second plunger 52 is equipped with a rod-shaped valve 63 that opens and closes the spout 44. A first slit 65 for forming a liquid flow path is provided around the valve 63, and a first communication hole 66 for forming a liquid flow path is provided at the tip of the tubular portion 64, and the second plunger 52 is connected to a spray head. Sprayer biased towards the 4th side.