JPH062931Y2 - Stopper pump drive - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a pump drive device with a stopper.

[Conventional technology]

Conventionally, in a pump of a type in which a vertically movable pressure head is attached to the mouth tube portion of a container, a pump having a stopper for locking the nozzle at the top dead center and having a function of assisting the operation of the pressure head is disclosed in Japanese Utility Model Publication 58. -23411.

In the spray container cap described in the above publication, as shown in FIG. 4, a cap main body 8 is fitted on the upper part of the container body 1, and the tip portion 15a of the mounting member 15 is inserted into the cap main body 8.
Is pivotally mounted, and the plate portion 23 of the sliding member 22 is attached to the plate portion 16 provided on the upper portion of the mounting member 15 so as to be slidable in the front-rear direction. The operation lever 14 is formed by the member 22.

Then, the finger hook 27 is pushed down at a position where the finger hook 27 side of the sliding member 22 is pulled out to the outside of the cap main body 8 to swing the attachment member 15 downward, so that the head 6 of the sprayer 6 You can press to spray liquid.

Further, at a position where the sliding member 22 of the operation lever 14 is pushed into the cap body 8, the lower end of the blind plate 26 provided on the sliding member 22 is below the operation window hole 2 provided on the cap body 8. The operation member 14 is formed so as to come into contact with the edge so that the operation member 14 cannot be pushed down.

[Problems to be solved by the invention]

The spray container cap shown in FIG.
By pushing in, it is possible to prevent the sprayer from operating even if an undesired external force is applied to the sprayer head 6, and by pulling out the operating lever 14, the sprayer head 6 is pushed by the operating lever 14. This is convenient because it assists in lowering and allows the head 6 to be pushed down lightly.

However, the cap of the sprayer requires three parts having a complicated structure of the cap body 8, the mounting member 15, and the sliding member 22 in order to provide the operation lever 14, and thus is expensive. is there.

The present invention has been made in view of the above matters, and technically aims to make a stopper / pump drive device having both a lock function of a pressing head and an operation assisting function of the pressing head, a simple structure and an inexpensive structure. It is an issue.

[Means for solving problems]

In order to solve the above technical problems, the present invention is a pump in which a stem 4 is vertically movable on an attachment base 3 attached to a mouth tube portion 2 of a container 1, and a pressing head 5 is provided on the top of the stem 4. The device has the following configuration.

That is, the support pillar 6 is integrally erected on the mounting base 3,
A base portion 7a of a stopper body 7 formed in an elongated shape above the support column 6 is rotatably supported.

Then, at one position 7b of the stopper body 7, the stopper body 7 is engaged with the lower side of the pressing head 5 at a position where the stopper body 7 hangs down from the support column 6 to project an engaging projection 8 for preventing the pressing head 5 from descending. Set up.

Further, a pressing projection 9 which contacts the upper surface 5a of the pressing head 5 is formed on the other surface 7c of the stopper body 7 to form a pump driving device also serving as a stopper.

[Action]

First, when the pressing head 5 is locked, the stopper body 7 is tilted toward the support pillars 6 and 6.

Then, the engagement protrusion 8 provided on the one surface 7b of the stopper body 7 engages with the bottom portion 5b of the pressing head 5 and is pressed.
When the pressing head 5 is actuated and the contents are poured out, the stopper body 7 is raised from the side of the support pillars 6 and the pressing projection 9 presses the pressing projection 9. The head 5 is rotated until it contacts the upper surface 5a (Fig. 2). In this state, the stopper body 7
When is pressed with a force P, the pressing projection 9 pushes down the pressing head 5 with a force equal to or higher than the force P, and the pump can be driven easily.

Further, in the present invention, since the support column 6 is integrally formed with the base 3, the number of parts increased to have the lock function of the pressing head and the operation assisting function of the pressing head is larger than that of the stopper body 7. There is only one.

〔Example〕

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

A mounting base 3 is screwed onto the mouth tube portion 2 of the container 1, and a stem 4 is vertically movable on the mounting base 3. A pump portion 4a having a well-known structure is connected to the lower portion of the stem 4. A pressing head 5 is provided on the top of the stem 4.

A support pillar 6 is integrally erected on the mounting base 3, and a base portion 7a of an elongated stopper body 7 is rotatably supported above the support pillar 6.

An engaging projection 8 is provided on one surface 7b of the stopper body 7 to engage with the bottom portion 5b of the pressing head 5 at a position where the stopper body 7 hangs down from the support column 6.

Further, the other surface 7c of the stopper body 7 is formed with a pressing projection 9 that abuts the upper surface 5a of the pressing head 5 at the position where the stopper body 7 is rotated.

A finger hook 10 is provided on the other surface 7c at the other end of the stopper body 7, and an engaging protrusion 11 is provided on the outside of the finger hook 10.

On the other hand, between the support pillars 6 on the mounting base 3, there is provided a locking projection 12 that engages with the engaging projection 11 at a position where the standing stopper body 7 hangs from the support pillar 6. There is.

The engaging projection 11 and the locking projection 12 enable the stopper body 7 to be locked at a position hanging from the support column 6.

In use, first, when the pressing head 5 is locked, the stopper body 7 is tilted to a position to be fitted between the support columns 6 and 6. Then, the engagement protrusion 8 provided on the one surface 7b of the stopper body 7 engages with the bottom portion 5b of the pressing head 5 so that the pressing head 5 is not lowered. (Fig. 1).

On the other hand, when the pressing head 5 is actuated and the contents are poured out, the stopper body 7 is raised from between the support columns 6 and 6 and rotated until the pressing protrusion 9 comes into contact with the upper surface 5a of the pressing head 5. (Fig. 2). In this state, the stopper body 7
When is pressed with a force P, a force F = P ((L1 + L2) / L1) is generated on the pressing protrusion 9.

(However, F is a force generated in the pressing projection 9. L1 is the distance from the rotation axis of the stopper body 7 to the pressing projection 9. L2 is the distance from the pressing projection 9 to the force point.) Here, L2> L1 2P because it is set to
≦ F, and the pressing head 5 can be pushed down with a large force even if it is pushed with a small force.

In the embodiment described above, the engaging projection 8 is formed on the bottom 5a of the pressing head 5.
Although the pressing head 5 is locked by engaging with, the present invention is not limited to this example. For example, a hole (not shown) is provided in the side wall of the pressing head 5, and the engaging portion is provided in this hole. The mating protrusion 8 may be engaged and locked.

[Effect of device]

According to the present invention, the support pillar 6 is formed integrally with the base 3, and the stopper body 7 is rotatably supported by the support pillar 6 to provide a lock function for the pressing head 5 and an operation assisting function for the pressing head 5. I am preparing.

Therefore, in the present invention, the number of parts increased for providing the above two functions is only one stopper body 7, the configuration is extremely simple, and the number of molds for manufacturing is small, and the cost is low. Can be formed by.

[Brief description of drawings]

1 to 3 show an embodiment of the present invention, FIG. 1 is a perspective view showing a locked state of a pressing head, FIG. 2 is a perspective view showing an operating state of a pressing head, and FIG. 3 is a side view. , FIG. 4 is a sectional view of a conventional example. DESCRIPTION OF SYMBOLS 1 ... Container, 2 ... Port cylinder part, 3 ... Base, 4 ... Stem, 5 ... Pressing head, 6 ... Supporting pillar, 7 ... Stopper body, 8 ... Engaging projection, 9 ... Pressing projection, 7a ... Stopper body Base, 7b ... One surface of stopper body, 7c ... Other surface of stopper body.

Claims (1)

[Scope of utility model registration request] 1. A stem 4 is provided on a mounting base 3 mounted on a mouth tube portion 2 of a container 1 so as to be vertically movable, and the stem 4 is provided.
In a pump device in which the pressing head 5 is provided on the top, a support pillar 6 is integrally erected on the mounting base 3, and a base portion 7a of a stopper body 7 formed in an elongated shape above the support pillar 6.
Is rotatably supported and one surface 7b of the stopper body 7
At the position where the stopper body 7 hangs down from the support column 6, an engaging projection 8 for engaging with the pressing head 5 to prevent the pressing head 5 from descending is projected, and the other surface 7c of the stopper body 7 is provided. A pump drive device that also functions as a stopper, characterized in that a pressing projection 9 is formed which abuts the upper surface 5a of the pressing head 5 at a position where the stopper body 7 is rotated.