JP2003012063A - Spray head with safety cap for use in aerosol can - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a spray head with a safety cap for use in an aerosol can which can prevent not only a mischievous operation by a child but also a wrong operation of adults by a simple structure. SOLUTION: A safety cap 20 includes a cap 21 for covering an operating section which is an upper surface 11 of a spray button 10 and a sliding leg 22 provided below the cap and formed in such a shape that can form a finger insertion port behind the cap 21. The spray button 10 is equipped with a guide for guiding the sliding leg 22 so that it can rise/lower. A length of the sliding leg 22 is specified such that its lower end comes into contact with an upper surface of a head of an aerosol container in a normal state while the cap 21 is brought close to the operating section, raised and slid when using, so that a gap for inserting a finger can be formed between the operating section and the cap 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ejection head which is fitted to a stem projecting from the top of an aerosol container and which pushes down an operating portion from above to eject the contents from a forward ejection port. The present invention relates to an injection head with a safety cap for an aerosol container, which is equipped with a safety cap that prevents the push-down operation when not in use.

[0002]

2. Description of the Related Art As a safety cap having a childproof function of this kind, a cavity for inserting a finger is formed in a cover cap for covering an operating portion according to JP-A-49-112218. Is well known. This prevents an erroneous operation of simply pushing down from above.

[0003]

However, the cover is
Since the cavity is formed inside the cap, it is structurally complicated, and there is a problem in terms of operability because it is operated in the cavity.

In view of the above points, the present invention provides an injection head with a safety cap for an aerosol container of the kind described at the beginning, which can prevent a mischievous operation by a child or an erroneous operation not limited to a child with a simple structure. With the goal.

[0005]

In order to achieve this object, the present invention, according to claim 1, is fitted to a stem projectingly provided on the crown of an aerosol container, and the operation portion is pushed down from above. In the injection head with a safety cap for aerosol containers, in which the injection head that ejects the contents from the forward ejection port is attached with the safety cap that prevents the push-down operation when not in use, the safety cap is a cap that covers the operation part. , A slide leg portion provided under the cap and having a shape capable of forming a finger insertion opening on the back side thereof, and a guide portion for guiding the slide leg portion to be vertically movable on the ejection head. Under normal conditions, the lower end contacts the upper surface of the top of the aerosol container, and brings the cap closer to the operating part to raise the cap during use. Characterized in that it is configured so as to form a gap for finger insertion opening between the id is not provided with an operation portion and the cap.

[0006] In a normal state, the cap, which is constrained from being pushed down, approaches the operating portion from above, so that the pushing operation of the operating portion is prevented. At the time of use, the gap formed by lifting the cap serves as a finger insertion opening, and the operation portion can be pushed down.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An injection head with a safety cap for an aerosol container according to an embodiment of the present invention will be described with reference to FIGS. A valve mechanism is provided on a mounting cap 2 provided on the top of the aerosol container 1, and a stem 3 in an upwardly biased state is projected from a boss portion 2b thereof so as to eject the contents by a pushing operation. The jet head has a lower end fitted to the stem 3 and an upper end fitted to the peripheral surface portion 12 inside a button 10a having an upper surface portion 11 serving as an operation portion that is pressed down from above and a peripheral surface portion 12 surrounding the outer periphery thereof. Forward injection port 13
Spray button 1 having an inverted L-shaped nozzle 14 having
It is configured as 0.

Although this type of injection button is well known, it is provided with a cap 21 for covering the upper surface portion 11 and arcuate slide leg portions 22 provided on both sides in a direction intersecting the injection direction according to the present invention. A safety cap 20 for child proof is included. These slide legs
It is guided up and down by arcuate insertion holes 25 as guide portions formed on both sides of the upper surface portion 11.

In a normal state, the lower end of the slide leg portion 22 is in contact with the upper surface portion 2c between the curl portion 2a and the boss portion 2b of the mounting cap 2, and the cap 21 is brought into contact with or close to the upper surface portion 11. It is set to the length to get. Further, this length is set to be longer than that of a standard jet button 10 having a height width sufficiently longer than the thickness of the finger so that a finger insertion port can be formed. The distance between the pair of slide legs 22 is set wider than the standard finger width. On both sides of the cap 21, knobs 21a are projected.

The operation of the jet head with the safety cap thus constructed is as follows. In the normal state, the cap 21 covers the upper surface portion 11 in a close state, and the slide leg portion 22 is restrained by the upper surface portion 2c of the mounting cap 2. As a result, it is impossible to push down the cap 21, a child pushes the upper surface portion 11 to inject, or an erroneous operation of the upper surface portion 11 by an adult is prevented.
At the time of use, as shown in FIG. 3, the knob 21a of the cap 21 is picked up and lifted, and a finger is inserted into a gap for a finger insertion opening with respect to the upper surface portion 11 formed on the back side of the upper surface 11
Press down to operate.

FIG. 4 and FIG. 5 show a tilt-operated jet head for an aerosol container according to another embodiment. The jet head 30 is mounted on the mounting cap 2
Is attached to the curl portion 2a of the peripheral surface portion 31 and the injection port 3
A cap-shaped jet head base portion 30a having a jet port portion 32 having 2a, a button portion 30A having an upper surface portion 35 serving as an operating portion and a peripheral surface portion 37 on the outer periphery thereof, and a fitting portion 36a fitted to the stem 3. And a jet head main body 30b in which a nozzle 36 having the above is formed, and is integrally formed of synthetic resin.

The nozzle 36 includes a fitting portion 36a to a peripheral surface portion 3
7 is provided with a pipe-shaped nozzle portion 36b in the lateral direction that communicates with the nozzle portion up to 7 and is connected to the injection port portion 32. The nozzle portion is flexible and supports the jet head main body 30b so that the jet head main body 30b can be swung in a gap 34a formed around the upper peripheral portion 34 of the jet head base portion 30a.

Although this type of ejection head 30 is well known,
According to the present invention, a safety cap 40 having a cap 41 for covering the upper surface portion 35 in a close state and a slide leg portion 42 provided on both sides in a direction intersecting the jetting direction is attached. The slide leg portion 42 is vertically guided in an insertion hole 45 as a guide portion formed in the upper surface peripheral portion 34.

In the normal state, the lower end of the slide leg portion 42 abuts on the upper surface portion 2c to bring the cap 41 close to the upper surface portion 35. The height width of the peripheral surface portion 31 is set to be sufficiently longer than the standard finger thickness so that the slide leg portion 42 does not come off. When using, the cap 41
Is picked up and lifted, and a finger is inserted into a gap with respect to the upper surface portion 35 formed on the back side and pushed down. Since the slide leg portion 42 is guided by the jet head base 30a in a fixed state, the jet head main body 30b can smoothly swing.

For the sake of safety, the cap 41 may be formed in a shape that completely covers the upper surface portion 35. The present invention is also applied to a tilt type ejection head in which the button 30A itself has an ejection port and is connected to the ejection head base portion 30a by a flexible connecting piece. Further, the number of slide legs is not limited to one pair on both sides, and a modification in which a finger insertion opening is formed between the operation portions when the slide slide is performed may be considered.

[0016]

According to the first aspect of the present invention, the child proof function can be obtained by the simple structure in which the slidable leg portion is provided under the cap, and it is particularly effective when the contents include harmful substances. Is. In addition, erroneous operation by an adult is also prevented. At this time, the ejection head for an aerosol container can be constructed as an elevation type according to the invention of claim 2 or a tilt operation type according to the invention of claim 3. Claim 4
According to the invention described above, the slide leg portion that forms the finger insertion port and does not interfere with the ejection port is simply configured by the pair of leg portions on both sides.

[Brief description of drawings]

FIG. 1 is a perspective view of an ejection head with a safety cap for an aerosol container according to an embodiment of the present invention.

FIG. 2 is a sectional view of the same ejection head.

FIG. 3 is a perspective view showing a usage state of the ejection head.

FIG. 4 is a perspective view of an ejection head with a safety cap for an aerosol container according to another embodiment.

5 is a cross-sectional view of the ejection head according to FIG.

[Explanation of symbols]

1 aerosol container 2 mounting caps 2c Top part of mounting cap 3 stems 10 injection button 14, 36 nozzles 20, 40 safety cap 22, 42 slide legs 21, 41 cap 25, 45 insertion holes 30 jet head 30a jet head base 30b jet head body

Claims (4)

[Claims] 1. An injection head, which is fitted to a stem projecting from the top of an aerosol container and pushes down an operation portion from above to inject the contents from a forward injection port, when not in use. In the injection head with a safety cap for an aerosol container that is equipped with a safety cap to prevent the safety cap, the safety cap has a shape that is provided under the cap that covers the operation part and that can form a finger insertion port on the back side. With a slide leg portion having, a guide portion for guiding the slide leg portion to be vertically movable is provided in the ejection head, and the length of the slide leg portion is such that a lower end thereof is in an upper surface portion of an aerosol container top portion in a normal state. While abutting, the cap is brought close to the operation part, and is raised and slid up during use so that the cap is placed between the operation part and the cap. Aerosol container safety ejecting head with cap, characterized in that it is set so as to form a gap for insertion opening. 2. A jet head has a nozzle having a lower end fitted to a stem inside a button whose upper surface serves as an operating portion, and a tip whose end communicates with an injection port provided on the peripheral surface of the button. The ejection head with a safety cap for an aerosol container according to claim 1, wherein the ejection head is configured as an ejection button, and an insertion hole that functions as a guide portion is formed in the upper surface portion. 3. An injection head, a bottom surface of which is attached to a top surface of an aerosol container at a base of the injection head, an upper surface of which serves as an operating portion, a lower end of which is fitted to a stem, and a distal end of which is formed at an injection port. The jet head main body having a nozzle formed to communicate with each other is swingably connected to form a tilt operation type, and a guide portion is formed in a peripheral portion of an upper surface of the jet head base portion. A jet head with a safety cap for the aerosol container described. 4. The injection with a safety cap for an aerosol container according to claim 1, wherein a pair of slide legs are provided on both sides of the cap in a direction intersecting the injection direction. head. In the normal state, the lower end of the slide leg is in contact with the upper surface of the top part of the aerosol container, the cap is brought close to the operation part, and the slide leg is lifted and slid up during use to move the operation part and the cap. An aerosol container characterized in that it is set so as to form a gap between which a finger can be inserted.