JPH11310282A - Aerosol type spray device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent spraying caused by child's mischief and improve an assembling property for a lock member by providing the lock member so that a child can not depress a depressing head having a nozzle therein. SOLUTION: An opening 11 is formed at an outer peripheral wall 10 of a head. Engaging grooves with their front ends being applied as circular grooves, with the rear portions of the circular grooves being opened to be smaller than diameters of the circular grooves and with both upper and lower ends of the opening expanding the groove widths in tapered slant upper, lower and rearward directions are formed at both right and left side surfaces of the opening. Shafts 15 protruded at both right and left surfaces of a fitting plate 14 fitted into the opening 11 are engaged in friction into the front end of each of the engaging grooves in such a way that they may be rotated. An engaging plate 16 is suspended down from the rear end of the fitting plate 14, the lower end of the engaging plate is engaged with the upper surface of the rear part of a top plate 7. The engaging plate 16 has an engaging position where its lower end is engaged with the upper surface of the rear part of the top plate 7 to cause a depressing head C having a nozzle therein not to be depressed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an aerosol type ejector.

[0002]

2. Description of the Related Art As an aerosol-type jetting container generally used, an annular projection is provided around the upper end of a peripheral wall.
An aerosol can main body in which a central portion of the top wall is penetrated and the ejection stem is urged upward to be erected, and a press-down head with a nozzle is fitted to the upper end of the ejection stem, and is fitted to the outer surface of the annular projection. It is known that an inward flange attached to the upper end of the peripheral wall is placed on the upper surface of the annular projection, and is formed by an annular member that raises a cap fitting cylinder from the inner periphery of the inward flange.

[0003]

Since the aerosol-type jetting container does not have a lock means for preventing the press-down head with nozzle from being pressed down, there is a possibility that the liquid is jetted out due to mischief of a child or the like.

In the aerosol type ejector according to the first aspect, the push-down head with the nozzle cannot be pushed down unless the lock member is rotated to the non-engagement position, so that the ejector other than the original purpose due to mischief of a child or the like is ejected. The lock member is formed so that the material can be reduced, and the assembling of the lock member is only performed by engaging the shaft portion into the engagement groove. The number of components is reduced by eliminating the need for other components.

[0005] The aerosol type ejector according to the second aspect has the problem to be solved by the aerosol type ejector according to the first aspect, and furthermore, when the cap is fitted, the cap inner cylinder engages the lock member at the non-engaged position. By rotating the lock member to the mating position, it is intended to prevent forgetting to set the lock member.

[0006]

As a first means, an annular projection 2 is provided around the upper end of the peripheral wall 1 and a central portion of the top wall 3 is penetrated so that the ejection stem 4 is urged upward. An upright aerosol can A, a base member B whose upper surface between inner and outer peripheral walls 5 and 6 tightly fitted to the inner and outer peripheral surfaces of the annular projection 2 is closed by a top plate 7, and fitted to the upper end of the ejection stem 4 The fitted stem fitting tube 9 is vertically provided from the center of the head top wall, the head outer wall 10 is vertically provided from the outer periphery of the head top wall, and an opening 11 is formed at the rear of the head outer wall. On both left and right sides of the opening, the front end is a circular groove 13 and the rear of the circular groove is an opening 13a smaller than the diameter of the circular groove, and the upper and lower ends of the opening are tapered obliquely upward and downward. A press-down head C with a nozzle formed with an engaging groove 12 for expanding the groove width; A shaft portion 15 protruding from both right and left surfaces of the fitting plate 14 fitted into the inside 1 is rotatably and non-extractably frictionally engaged into the front end portion of the engaging groove 12 and a rear end of the fitting plate 14. An engaging plate 16 is vertically suspended from the portion, and the lower end of the engaging plate 16 is detachably engaged with the upper surface of the rear portion of the top plate 7 by turning the fitting plate 14 about the shaft 15 upward and backward. An engagement position where the lower end of the engagement plate 16 engages with the upper surface of the rear portion of the top plate 7 to disable the depression of the press-down head C with a nozzle; A non-engagement position in which the lowering head C with the nozzle is depressed rearward from the rear upper surface of the top plate 7 by the upward rotation of the fitting plate 14 about the shaft portion 15 so as to be able to press down; .

As a second means, the above-mentioned first means is provided, and a lower end portion of the cylinder whose upper surface is closed by a top plate 17 is provided.
In addition to being detachably fitted to the outer surface of the outer peripheral wall 6 of the base member B, the inner surface of the lower portion of the inner cylinder 18 vertically suspended from the lower surface of the outer peripheral portion of the top plate 17 can be detached upward to the rear surface of the engaging plate 16 at the engaging position. It has a mated cap E.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an aerosol type ejector according to the present invention will be described with reference to the drawings. A is an aerosol can, which has an annular projection 2 from the upper end of the peripheral wall 1 via a shoulder.
And the ejection stem 4 is erected in an upwardly urged state with the central portion of the top wall 3 penetrating therethrough.

Reference numeral B denotes a base member which closes an upper surface between the inner peripheral wall 5 and the outer peripheral wall 6 tightly fitted to the inner and outer peripheral surfaces of the annular projection 2 with a top plate 7 and which is closed from the lower end of the outer peripheral wall 6. The lower end of the barrel 8 that is suspended via the orientation flange is engaged with the shoulder of the peripheral wall 1.

Reference numeral C denotes a press-down head with a nozzle, which has a stem fitting tube 9 fitted to the upper end of the ejection stem 4 suspended from the center of the head top wall, and a head outer peripheral wall 10 suspended from the outer periphery of the head top wall. Set up. At the rear of the head outer peripheral wall, an opening 11 is formed from the lower surface of the head top wall to the lower end surface of the outer peripheral wall,
Engagement grooves 12 are formed on the left and right sides of the upper portion of the opening to close the front and open the rear. The engaging groove 12 has a circular groove 13 at the front end thereof, and an opening 13a at the rear of the circular groove smaller than the diameter of the circular groove. Expand the width.

Reference numeral D denotes a lock member. A fitting plate 14 is fitted between the left and right sides of the upper portion of the opening 11, and a shaft 15 is projected from both the left and right surfaces of the fitting plate. Groove 13
The inside is rotatably fitted by frictional engagement. On the other hand, the engaging plate 16 is hung down from the rear end of the portion of the fitting plate 14 projecting rearward from the opening 11, and the lower end of the engaging plate 16 is engaged with the upper surface of the rear portion of the top plate 7. The engagement plate 16 can be disengaged rearward from the top plate 7 by a turning force around the shaft portion 15 and rearward and upward. Note that, as shown in FIG. 2, the engagement plate 16 may be formed such that the left and right widths of the lower portion are larger than the upper portion, or the upper and lower portions may be formed to have the same width as shown in FIG.

Reference numeral E denotes a cap, and the lower end of the cylinder whose upper surface is closed by the top plate 17 is detachably fitted to the outer surface of the outer peripheral wall 6. This cap E is described in claim 2 and FIG.
As shown in FIG. 7, the inner cylinder 18 may be hung down from the outer peripheral lower surface of the top plate 17 and the lower inner surface may be engaged with the rear surface of the engaging plate 16.

Hereinafter, the operation of the present embodiment will be described. FIGS. 2 and 4 show a state before the lock member D is assembled. In order to assemble the lock member D with the press-down head C with the nozzle, the shaft 15 is engaged with the rear opening of the engagement groove 12. The shaft 15 can be fitted into the circular groove 13 by elastically deforming the opening 13a of the circular groove 13 vertically upward and downward.

To eject a liquid or the like, after removing the cap E, the engagement plate 16 is moved from the engagement position of the engagement plate 16 shown in FIG.
Then, the lower end of the engaging plate 16 separates from the upper surface of the top plate 7 rearward and rotates upward and rearward. Normally, it is rotated to the disengaged position indicated by the broken line in FIG. The engagement plate 1
The shaft 6 is held at an arbitrary rotation position because the shaft 15 is frictionally engaged in the circular groove 13.

In the disengaged position of the engaging plate 16, the lower end of the engaging plate is separated from the top plate 7, so that the press-down head C with the nozzle can be pressed down, and by this pressing down, the liquid and the like from the nozzle. Gushing. In order to make the press-down head C with a nozzle impossible to press down after the ejection, the engaging plate 16 is pressed down from the non-engaged position, and the lower end thereof is engaged with the upper surface of the rear portion of the top plate 7.

Also in the aerosol type ejector according to the second aspect shown in FIG. 5, it is possible to push down the push-down head C with the nozzle by positioning the engaging plate 16 at the engaging position or the non-engaging position. As described above, in the embodiment shown in FIG. 5, when the cap E is fitted with the engagement plate 16 in the non-engagement position shown by the broken line, the lower end of the rear portion of the inner cylinder 18 Abuts on the upper surface of the top plate 7 by pressing down on the upper surface of the top plate 7 by pressing down the upper surface of the engagement plate 16.

[0017]

The aerosol type ejector according to claim 1 is
Since there is a lock member that makes it impossible to push down the push-down head with the nozzle, it is possible to prevent the ejection other than the original purpose due to mischief of the child. Further, the lock member has a simple structure made of a plate-like body, and therefore, material can be reduced.

Further, the assembling of the lock member only requires the shaft portion to be engaged in the engagement groove, and therefore, the assemblability is improved. Further, other components are not required for assembling the lock member, and therefore, the number of components can be reduced.

The aerosol type ejector according to the second aspect has a cap inner cylinder which engages with the upper surface of the engagement plate located at the non-engagement position and can rotate this to the engagement position. Even if the operator forgets to set the nozzle at the engagement position, the cap fitting prevents the press-down head with nozzle from being pressed down, so that the ejection is more completely prevented.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing an aerosol type ejector according to the present invention and showing an engagement position of a lock member.

FIG. 2 is a perspective view showing a state before the lock member is assembled.

FIG. 3 is a schematic view of an engagement groove on a right side surface of an opening when viewed from the left.

FIG. 4 is a perspective view showing a state before a lock member according to a modification of the engagement plate is assembled.

FIG. 5 is a cross-sectional view showing the aerosol type ejector according to the second embodiment, showing an engagement position of a lock member.

[Explanation of symbols]

 Reference Signs List 1 peripheral wall 2 annular protrusion 3 top wall 4 ejection stem 5 inner peripheral wall 6 outer peripheral wall 7 top plate 9 stem fitting cylinder 10 stem outer peripheral wall 11 opening 12 engaging groove 13 circular groove 13a opening 14 fitting plate 15 shaft 16 Plywood 17 Top plate 18 Inner cylinder A Aerosol can B Base member C Press-down head with nozzle D Lock member E Cap

Claims (2)

[Claims] An aerosol can (A) having an annular projection (2) at the upper end of a peripheral wall (1) and a central portion of a top wall (3) penetrating the stem (4) to erupt the ejection stem (4) in an upwardly biased state. A base member B whose upper surface between the inner and outer peripheral walls 5 and 6 tightly fitted to the inner and outer peripheral surfaces of the portion 2 is closed by a top plate 7, and a stem fitting cylinder 9 fitted to the upper end of the ejection stem 4. At the same time, the head outer peripheral wall 10 is suspended from the outer periphery of the head top wall, and an opening 11 is formed at the rear of the head outer peripheral wall.
The front end is a circular groove 13, and the rear of the circular groove is an opening 13a smaller than the diameter of the circular groove. A press-down head C with a nozzle in which a groove 12 is formed, and a shaft 15 protruding from both left and right surfaces of a fitting plate 14 fitted into the opening 11 so as to be rotatable into the front end of the engaging groove 12. In addition, the engaging plate 16 is provided so as not to be pulled out, and the engaging plate 16 is vertically provided from the rear end of the fitting plate 14 so that the lower end of the engaging plate 16 is attached to the upper surface of the rear portion of the top plate 7. And a lock member D engaged so as to be disengageable rearward by turning upward and rearward at 14. The lock member D has a nozzle with a lower end of the engaging plate 16 engaged with a rear upper surface of the top plate 7. An engagement position at which the pushing down of the pushing down head C is disabled, And a non-engagement position that allows the press-down head C with a nozzle to be depressed rearward from the rear upper surface of the top plate 7 by turning the fitting plate 14 rearward and upward. Type ejector. 2. A lower end portion of the cylinder whose upper surface is closed by a top plate 17 is removably fitted to the outer surface of the outer peripheral wall 6 of the base member B, and an inner cylinder 18 vertically suspended from the lower surface of the outer peripheral portion of the top plate 17.
The aerosol type ejector according to claim 1, further comprising a cap (E) in which a lower inner surface is detachably engaged with a rear surface of the engaging plate (16) at the engaging position so as to be detachable upward.