JP3517016B2 - Trigger type liquid discharge container - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trigger type liquid discharge container which is an improvement of a head-pressing type liquid discharge container.

[0002]

2. Description of the Related Art Liquid ejecting containers which suck up a liquid in a container body and pressurize the liquid to eject it from a nozzle are roughly classified into a head pressing type and a trigger type according to a difference in operation. In the former head-pressing type liquid discharge container,
As described in Japanese Unexamined Patent Publication No. 4-137758, the head with a nozzle biased upward is moved up and down by repeating "pushing down" and "releasing". On the other hand, the latter type of trigger type liquid discharge container, as described in Japanese Utility Model Laid-Open No. 4-17855, "pulls" the trigger,
By repeating "releasing", the plunger biased in the forward direction is moved back and forth to send the liquid toward the nozzle.

[0003]

However, in the head-pressing type liquid discharge container, since the head is directly pressed down by the finger, there is a problem that the load on the finger is large and it is not suitable for discharging a large amount of liquid. On the other hand, in the trigger type liquid discharge container, since the trigger having a lever action is pulled by the finger, it is convenient for discharging a large amount of liquid with less burden on the finger, but it is more convenient than the head-pressing type liquid discharge container. There is a problem that the structure is complicated and expensive.

The present invention has been made in view of the above circumstances, and a trigger type liquid discharge container can be obtained by simply fitting a cylinder with a trigger into a conventional head-pushing type liquid discharge container. In addition, a safety device is provided so that the trigger does not swing against another object to eject the liquid during transportation or the like.

[0005]

In order to achieve the above object, in the invention according to claim 1, the head 5 at the upper end of the operating member which is urged upward from the inside of the container body 3 to stand up from the nozzle 4.
And a head-pressing type liquid discharge container 2 provided so that the liquid in the container body can be discharged from the nozzle by upward and downward movement of the actuating member, and an uneven fitting means on the upper part of the container body barrel 3a. At the lower end of the front wall of the cylindrical portion to the upper end of the front wall, and further from the upper end to the rear of the top wall 8b through the upper portion of the head 5 from the lower end of the front wall to the upper end of the front wall. A support plate 22 having a saucer-shaped portion 23 at the upper end is formed in the shape of a letter and has a saucer-shaped portion 23 at the upper end protruding upward from the lower end of the vertical hole portion 15a of the elongated hole via a rupturable connecting portion 21. A horizontal plate portion 26 is loosely fitted in the cover tube 8 and the lateral hole portion 15b of the elongated hole so that the rear portion of the plate portion is pivotally mounted in the upper rear part of the cover tube 8 and from the front end of the horizontal plate portion. From the trigger 7 which passes through the front of the nozzle 4 and projects obliquely downward toward the front, a slanting plate portion 27 having a width narrower than that of the vertical hole portion 15a and the tip of which is placed on the saucer-like portion 23. Ri, the inclined plate portion of the front the nozzle was bored liquid discharge window hole 31.

According to the second aspect of the present invention, in addition to the structure of the first aspect, a protrusion 30 having a semicircular cross section in the front-rear direction is hung from the horizontal plate portion 26 above the head 5 to lower the protrusion. Was placed on the upper surface of the head.

[0007]

In the state shown in FIG. 1, since the tip of the trigger 7 is placed on the saucer-like portion 23 at the upper end of the support plate 22, the trigger 7 is not pushed in during transportation and the liquid is not discharged. Support plate
The removal of 22 is performed by breaking the connecting portion 21. Then, when the trigger 7 is pulled and operated, the trigger 7 rotates about the pin 29 to lower the operating member via the head 5. Then,
The liquid in the cylinder is discharged forward through the nozzle 4 and the liquid discharge window hole 31. When the trigger 7 is opened after the head 5 is pushed down to the lower limit position, the actuating member is urged and pushed up to the upper limit position. At this time, the liquid in the container body is sucked up into the cylinder.

[0008]

1 shows a trigger type liquid discharge container 2 of the present invention. This trigger type liquid discharge container 2 is a known head-pressing type liquid discharge container 2a, a trigger 7 of a molded part integrally molded with resin, and a molded part molded integrally with resin such as polypropylene. It is composed of a combination cylinder 8.

Since the head-pressing type liquid discharge container 2a is known, it will be briefly described. A mounting cylinder 11 is screwed into the mouth and neck of the upper surface of the body portion 3a of the container body 3, and a fitting cylinder 12 having an upper surface opening is provided in the mounting cylinder 11. A head 5 having a nozzle 4 protruding forward is fitted into the fitting cylinder 12 so as to be vertically movable. The head 5 is attached to the upper end of the operating member that is urged upward from the inside of the container body 3 and stands up. When the operating member moves up and down in conjunction with the head 5, the liquid inside the container body 3 is discharged from the nozzle 4. Discharge.

The cover cylinder 8 has a cylinder portion 8a whose upper surface is closed. Similar to the body portion 3a of the container body 3, the tubular portion 8a has a rectangular cross section, and a ridge 14 is provided around the lower portion of the inner wall thereof. This ridge 14 connects the cover cylinder 8 to the container body 3
The groove 13 formed around the outer surface of the upper portion of the body 3a when fitting
Be inserted into. Incidentally, in this embodiment, the container body 3a
Although the cross section of the cover cylinder 8 is rectangular, the cross section may be rectangular or elliptical including a perfect circle. Further, in this embodiment, the ridge 14 is provided around the lower portion of the inner wall of the tubular portion 8a, but a groove may be provided instead of the ridge. In this case, it is necessary to form the ridge on the container body side.

The cover cylinder 8 has a vertical hole portion 15a which is cut from the lower part of the front wall of the cylinder part to the front of the nozzle 4 to the upper end of the front wall, and further from the upper end to the rear part of the top wall 8b passing above the head. An inverted L-shaped elongated hole 15 including a lateral hole portion 15b that is cut out is formed. On the rear side edge of the top wall 8b, a mounting piece 17 that abuts at the lower end on the hand grasping the covering cylinder 8 is provided obliquely downward. As a result, a part of the load of the trigger type liquid discharge container 2 is supported by hand via the mounting piece 17. Further, the hanging piece 17 is connected to the outer wall of the tubular portion 8a at its both end portions as shown in FIG. 3 so as to cover the upper half of the rear side surface of the cover tube 8 and is applied from the left and right direction when grasping. The cover cylinder 8 is prevented from being deformed by the applied force.

As shown in FIG. 4, reinforcing plates 18, 18 are hung from the top wall 8b from both edges along the longitudinal direction of the lateral hole 15b, and the front and rear ends of the lateral plate 15b are connected to the inner wall of the cylinder. Has been formed. The reinforcing plates 18, 18 prevent the cover cylinder 8 from being deformed by a force applied in the front-rear direction. A pin hole 19 for pivotally supporting the trigger 7 via a pin to be described later and a downward expansion cutout cut out from the pin hole 19 to the lower end of the reinforcing plate 18 are provided at the rear end portions of the reinforcing plates 18, 18. Notches 20 and 20 are formed respectively. Since the pin is pushed into the pin hole 19 from the notch 20 when the trigger 7 is attached to the cover cylinder 8, the upper end side of the notch 20 is formed slightly smaller than the diameter of the pin hole 19.

A supporting plate 22 is provided on the lower edge front wall of the vertical hole 15a so as to project obliquely upward through a connecting portion 21. The support plate 22 is formed in an arc shape as shown in FIG. 1 so as to absorb a force applied from above or from the front side. Further, at the tip of the support plate 22, there is formed a saucer-like portion 23 formed of a groove substantially parallel to the axial direction of the pin. The saucer-shaped portion 23 prevents the trigger 7 from rotating by fitting the tip of the trigger 7 into the groove. The support plate 22 is connected to the connecting portion 21 at the first use.
Since it is separated from the covering cylinder 8 by means of, the connecting portion 21 is composed of a pair of thin pins so as to be easily broken. Although the connecting portion 21 is formed of a pair of thin pins in this embodiment, it may be formed of a thin portion. Further, if the support plate 22 is fitted onto the body 3a of the container body so that the lower end of the cover cylinder 8 cannot be pulled out,
It can also be used as a virgin seal of the trigger type liquid discharge container 2.

The trigger 7 is formed by bending a resin plate having a width slightly shorter than the width of the long hole 15 into a V-shape so that one side is a horizontal plate portion 26 and the other is an inclined plate portion 27. Horizontal plate part 26
As shown in FIG. 5, arms 28, 28 are vertically provided on the rear sides of the rear portions of the arms 28, 28, respectively. There is.
As described above, these pins 29, 29 can be press-fitted into the pin holes 19, 19 through the notches 20, 20, so that the trigger 7 is covered with the cover cylinder 8.
Can be easily assembled to.

On the lower surface of the front portion of the horizontal plate portion 26, there is provided a projection 30 which comes into contact with the upper surface of the head 5 at the upper limit position shown in FIG. 1 and pushes the head 5 downward when the trigger 7 rotates counterclockwise. Has been formed. The projection 30 has a semicircular shape with a downward cross section in the front-rear direction, and when the head 5 is pushed downward from the upper limit position, the contact position between the outer peripheral surface and the upper surface of the head 5 is the outer peripheral surface. Move up. As a result, even if the head 5 is pushed downward and the distance between the pin 29 and the center of the upper surface of the head 5 changes, the protrusion 30 always abuts on the central portion of the upper surface of the head 5 and the horizontal plate portion 26 The turning force can be converted into a downward pressing force. Therefore, the head 5 can be smoothly moved up and down without being pressed against the inner wall of the fitting cylinder 12. In the present embodiment, the projection 30 is provided on the lower surface of the horizontal plate portion 26, and the head 5 is pushed down by this.
A pin having a hemispherical lower tip may be provided on the lower surface of 26, and may be pushed by this, or may be directly pushed by the lower surface of the horizontal plate portion 26.

When the protrusion 30 is placed on the upper surface of the head 5 at the upper limit position, the upper surface of the horizontal plate portion 26 is aligned substantially flush with the upper surface of the top wall 8b, and the trigger type liquid discharge is performed. The container 2 looks good. In this state, since the lower end of the inclined plate portion 27 is placed on the saucer-shaped portion 23,
The trigger 7 is locked to the support plate 22 and cannot rotate.
Therefore, even if a force due to vibration or a falling object, for example, a force pressing the head 5 downward is applied to the trigger 7,
Since it is not pushed down, the liquid in the container body 3 will not be discharged unexpectedly. In this embodiment, the upper surface of the horizontal plate portion 26 is substantially flush with the upper surface of the top wall 8b, but it may be positioned lower than the upper surface of the top wall 8b.

The inclined plate portion 27 is provided with a finger-holding portion on which a finger is hooked, and a liquid-ejecting window hole 31 through which a liquid ejected forward from the nozzle 4 passes, on the upper portion. The trigger 7 is provided with folded ribs 7a at both ends along the longitudinal direction in order to ensure strength.

[0018]

As described in detail above, according to the first aspect of the present invention, a rotatable trigger is attached to a head-pressing type liquid discharge container via a cover cylinder, and the Since the head is pushed down by the rotation, and the support plate that blocks the rotation of the trigger is integrally formed on the cover cylinder via the breakable connection part, the cover cylinder with the trigger is attached to the body of the container body. The liquid can be ejected from the head-pressing type to the trigger type by simply fitting it, and the liquid ejection is blocked without swinging the trigger during transportation and the container surface is not contaminated. Can be prevented. Further, in the present invention, since the horizontal plate portion of the trigger is loosely fitted in the lateral hole portion of the long hole, the trigger is protected from the falling object by the top wall of the cylindrical portion and is not rocked. Discharge can be prevented. Furthermore, the trigger-type liquid discharge container of the present invention has a simple structure in which a cover-equipped cylinder with a trigger composed of two parts is fitted to a head-pressing-type liquid discharge container by means of a concave and convex fitting means. Moreover, since the assembly is easy, the manufacturing cost can be reduced.

According to the second aspect of the invention, in addition to the above effects, a protrusion 30 having a semicircular cross section in the front-rear direction is hung from the horizontal plate above the head 5 and the lower end of the protrusion is placed on the upper surface of the head. Therefore, the head 5 is pressed in the vertical direction at the center of its upper surface, so that the frictional resistance when the head is pressed down can be reduced and the head 5 can be pressed down smoothly.

[Brief description of drawings]

FIG. 1 is a side view showing a notched part of a trigger type liquid discharge container of the present invention.

FIG. 2 is a front view of the trigger type liquid discharge container shown in FIG.

FIG. 3 is a plan view of a composite cylinder.

FIG. 4 is a cross-sectional view of a cover cylinder.

FIG. 5 is a diagram showing a trigger.

[Explanation of symbols] 2 Trigger type liquid discharge container 3 Container body 5 heads 7 triggers 8 Covering cylinder 15 Long hole 21 Connecting part 22 Support plate 30 protrusion

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-5-31411 (JP, A) real development Sho 54-28709 (JP, U) real development Sho 52-44409 (JP, U) real development Sho 61- 130362 (JP, U) (58) Fields surveyed (Int.Cl. ⁷ , DB name) B65D 83/00 B05B 11/00 102

Claims (2)

(57) [Claims] 1. A nozzle 4 is projected forward from a head 5 at the upper end of an operating member that is urged upward from the container body 3 to stand upright,
A head-pressing type liquid discharge container 2a provided so that the liquid in the container body can be discharged from the nozzle by the vertical movement of the operating member.
And, to the upper part of the container body body 3a, the lower end is fitted by the fitting means of the concave and convex to stand up the tubular portion 8a, and the lower end is left from the lower portion of the front wall of the tubular portion to the upper end of the front wall. An elongated hole 15 is formed in an inverted L shape from the upper end to above the head 5 to the rear portion of the top wall 8b, and a connecting portion 21 is rupturable from the lower end edge of the vertical hole portion 15a of the elongated hole 15. Support plate 22 having a saucer-like portion 23 at its upper end
With the cover tube 8 projecting upward and forward, and the lateral hole portion 15b of the elongated hole.
The horizontal plate portion 26 is loosely fitted into the inside so that the rear portion of the plate portion is pivotally attached to the inside of the upper rear portion of the covering cylinder 8, and the nozzle 4 is inserted from the front end of the horizontal plate portion.
It is composed of a trigger 7 having an inclined plate portion 27 narrower than the vertical hole portion 15a projecting forward and obliquely forward and having its tip placed on the saucer-like portion 23. A trigger type liquid discharge container, characterized in that a liquid discharge window hole (31) is formed in the plate portion. 2. A projection 30 having a semicircular cross section in the front-rear direction is hung from a horizontal plate 26 above the head 5 and the lower end of the projection is placed on the upper surface of the head. Trigger type liquid discharge container.