JP2000246155A - Trigger type liquid jetting vessel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent careless liquid jetting caused by mischief or the like. SOLUTION: A trigger 6 is connected to the front end part of a plunger 5 to freely move back and forth and left and right, a window part 19 having a horizontal cylindrical cover front end part capable of engaging with play is provided on the upper part of the trigger and an engaging chip 20 is provided projectingly from the trigger part rear surface of the upper part of the window part to be engaged with a engagement projecting part so as to be releasable in the left and right direction and to be rotatable back and forth, a rearward drawing disabled position for the trigger 6, where the engaging chip 20 is engaged with a recessed part 15 rear surface and the trigger 6 lower part clogs the horizontal cylindrical cover 13 front end surface by rotating the trigger 6 around a trigger joint part in one of left or right direction, is located.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a trigger type liquid ejection container.

[0002]

2. Description of the Related Art For example, as shown in Japanese Patent Application Laid-Open No. H10-249252, a main cylinder is erected from a mounting cylinder fitted to the mouth and neck of a container body, a cylinder is mounted from the front of the main cylinder, and an upper end of the main cylinder. , The front end of the plunger fitted into the cylinder is connected to the upper rear of the vertically mounted trigger which is pivotally attached to the front of the injection cylinder, and the trigger is urged forward. A trigger-type liquid ejection container is known in which a liquid in a container is sucked into a cylinder by swinging a trigger back and forth, and the liquid in the cylinder is ejected from a front end of an injection cylinder.

[0003]

In the above-mentioned known example, even if the trigger is inadvertently pulled, the liquid is ejected from the front end of the injection cylinder. Therefore, safety for preventing such accidental ejection of the liquid is provided. It was desired to provide a device. The present invention provides a safety device that disables the trigger operation,
It is provided so as to prevent such an inadvertent ejection of liquid.

[0004]

As a first means, the main cylinder 2 is inserted from the rear of the mounting cylinder 2 fitted to the outer surface of the mouth and neck of the container body 1.
a, the cylinder 3 is protruded forward from the front of the main cylinder, and the injection cylinder 4 is protruded forward from the upper end of the main cylinder, and the trigger 6 is connected to the front end of the plunger 5 fitted into the cylinder 3. The trigger type liquid ejection container provided so that the liquid in the container is sucked into the cylinder 3 by the forward and backward movement of the trigger and the liquid in the cylinder can be ejected from the front end of the injection cylinder 4, and is tightly fitted to the outer surface of the mounting cylinder 2. Eccentric cap 1
1 from the rear, a vertical cylindrical cover 12 covering the outer surface of the main cylinder 2a.
And a horizontal cylindrical cover 13 that covers the outer surface of the injection cylinder 4 projects forward from the upper end of the vertical cylindrical cover to form an engagement projection 14 on the upper surface of the front end of the horizontal cylindrical cover. A cover member 10 having a recess 15 formed in a front portion of the upper surface of the cap-shaped portion 11 is provided, and a vertically intermediate portion of the trigger 6 is connected to a front end portion of the plunger 5 so as to be swingable in the front-rear and left-right directions. In the front part of the injection cylinder 4, a window 19 into which the front end of the horizontal cylindrical cover can be loosely fitted is formed,
An engaging piece 20 is protruded from the rear surface of the trigger portion above the window, and the engaging piece is detachably engaged with the engaging protrusion 14 in the left-right direction and rotatably in the front-rear direction, The trigger 6 is configured such that the engagement piece 20 engages with the engagement protrusion 14 and the window 19
Is rotated to one side in the left and right direction around the trigger connecting portion from the pullable position and the engaging piece 20 is engaged with the rear surface of the recess 15, and The lower portion of the trigger 6 has a rearwardly incapable position at which the front end face of the injection cylinder 4 is closed.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of a trigger type liquid ejection container according to the present invention will be described with reference to the drawings.
First, the known part of the trigger type liquid ejection container will be briefly described. The main cylinder 2a is erected from the rear of the mounting cylinder 2 fitted to the outer surface of the mouth and neck of the container body 1, and the cylinder 3 is mounted from the front of the main cylinder. And the injection cylinder 4 with the nozzle from the upper end of the main cylinder 2a.
Are respectively protruded forward, and the front end of the plunger 5 fitted into the cylinder 3 is connected to the trigger 6. The plunger 5 is biased forward by a spring provided in the cylinder 3,
Therefore, the trigger 6 connected to the plunger 5 is also in the forward biased state. When the trigger 6 is moved back and forth, the liquid in the container is sucked into the cylinder 3 and the liquid in the cylinder is ejected from the nozzle at the front end of the injection cylinder 4.

In the present invention, a cover member 10 is provided, and the cover member extends vertically from the rear portion of the cap-shaped portion 11 tightly fitted to the outer surface of the mounting cylinder 2 to cover the outer surface of the main cylinder 2a. The tubular cover 12 is erected, and a horizontal tubular cover 13 that covers the outer surface of the injection cylinder 4 projects forward from the upper end of the vertical tubular cover. A laterally engaging ridge 14 is formed on the upper surface of the front end of the horizontal cylindrical cover, and a concave portion 15 is formed on the front of the upper surface of the cap-shaped portion 11 so that the front surface and both left and right sides are open. In consideration of ease of assembly, it is preferable to open the rear portion of the cap-shaped portion 11, the rear surface and the lower front surface of the vertical cylindrical cover 12, and the front surface and the lower surface of the horizontal cylindrical cover 13, respectively.

On the other hand, the center of the plate-shaped trigger 6 is connected to the front end of the plunger 5 via a universal joint so as to be swingable in the front-rear and left-right directions. The universal joint is not particularly limited. For example, as shown in the figure, a bifurcated bearing 17 attached to the front end of the plunger 5 via a rotating shaft is triggered by a bolt-shaped coupling 18. 6, a ball joint or the like formed by being axially attached to the central portion is adopted.

A window 19 into which the front end of the injection cylinder can be loosely fitted is formed in the front part of the injection cylinder 4 above the trigger 6, and an L-shaped engaging piece 20 is formed from the rear surface of the trigger 6 above the window.
And the engaging piece is engaged with the engaging ridge 14 so as to be detachable in the left-right direction and rotatable in the front-rear direction. Also,
A large number of protrusions extending in the left-right direction are formed on the lower front surface of the trigger 6 and formed on the grip portion 21.

Next, the operation of the present embodiment will be described.
FIG. 1 shows a state in which the trigger 6 can be pulled rearward. In order to eject the liquid from the injection cylinder 4, the trigger 6 may be pulled backward by placing a hand on the grip portion 21.
As shown by a chain line, the trigger 6 swings rearward about the engaging ridge 14 so that the front end of the horizontal tubular cover 13 enters the window 19. When the trigger 6 is released, the plunger 5 advances by the urging force of the spring in the cylinder 3, and the liquid in the container is sucked into the cylinder 3.

In order to prevent the trigger 6 from being pulled backward, the trigger 6 may be rotated in either the left or right direction about the connecting member 18, and as shown in FIG. From the engaging ridge 14 in the left-right direction,
5 and the lower rear surface of the trigger 6 closes the front surface of the horizontal tubular cover 13. As described above, when the trigger 6 is rotated by about 180 ° from the state shown in FIG. 1, the engaging piece 20 is engaged with the concave portion 15, so that the rearward pulling of the trigger 6 becomes impossible.

[0011]

In the trigger type liquid ejection container according to the present invention, the trigger is connected to the plunger and is formed so as to be engageable with the concave portion, so that the trigger can not be pulled backward by engaging the trigger with the concave portion. This makes it possible to prevent inadvertent ejection of liquid such as mischief.

[Brief description of the drawings]

FIG. 1 is a perspective view of a trigger type liquid ejection container according to the present invention.

FIG. 2 is a perspective view showing a connection state between a trigger and a plunger.

FIG. 3 is an explanatory view of the operation.

FIG. 4 is a perspective view showing a position where a trigger cannot be pulled rearward.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container body 2 Mounting cylinder 2 Main cylinder 2a 3 Cylinder 4 Injection cylinder 5 Plunger 6 Trigger 10 Cover member 11 Cap-shaped member 12 Vertical cylindrical cover 13 Horizontal cylindrical cover 15 Depression 19 Window 20 Engagement piece

Claims (1)

[Claims] 1. A main cylinder 2a stands upright from a rear part of a mounting cylinder 2 fitted to an outer surface of a mouth and neck of a container body 1, a cylinder 3 from a front surface of the main cylinder, and an injection cylinder 4 from an upper end of the main cylinder. The trigger 6 is connected to the front end of the plunger 5 fitted in the cylinder 3 so as to protrude forward, the liquid in the container is sucked into the cylinder 3 by the forward and backward movement of the trigger, and the liquid in the cylinder is discharged to the front end of the injection cylinder 4. A vertical cylindrical cover 12 that covers the outer surface of the main cylinder 2a is erected from the rear portion of the cap-shaped portion 11 that is tightly fitted to the outer surface of the mounting cylinder 2 in the trigger-type liquid jet container that is provided so as to be able to eject the liquid. At the same time, a horizontal cylindrical cover 13 that covers the outer surface of the injection cylinder 4 projects forward from the upper end of the vertical cylindrical cover, and an engaging projection 14 is formed on the upper surface of the front end of the horizontal cylindrical cover. A cover having a recess 15 formed at the front of the upper surface of the portion 11 A vertical member of the trigger 6 is connected to a front end of the plunger 5 so as to be swingable in the front-rear and left-right directions, and a front end of the horizontal cylindrical cover is provided at a front part of the injection cylinder 4 above the trigger. A window 19 which can be loosely fitted is formed, and an engagement piece 20 is projected from a rear surface of the trigger portion above the window so that the engagement piece can be detached from the engagement projection 14 in the left-right direction. And the trigger 6 is rotatably engaged in the front-rear direction. The trigger 6 is configured such that the engagement piece 20 is engaged with the engagement protrusion 14, and the window 19 is located at a rearwardly retractable position where the window 19 is located in front of the injection cylinder 4. From the pullable position to one side in the left and right directions around the trigger connecting portion, so that the engagement piece 20 engages with the rear surface of the concave portion 15 and the lower portion of the trigger 6 closes the front end surface of the injection cylinder 4. A trigger-type liquid ejection container, which has a position where it cannot be pulled backward.