JPH0240920Y2 - - Google Patents

Description

[Detailed description of the invention] [Field of industrial application] This invention relates to an air-pressure feeding pot that pumps up and dispenses the liquid content by sending compressed air from a bellows into a medium bottle. Concerning improvements in conveyance means.

[Conventional technology]

Conventionally, the air pressure feeding means in this type of pot has been as shown in, for example, Japanese Utility Model Application Publication No. 55-128632. Welding is performed by sonic welding, and a push plate is provided above the upper plate,
(b) A ventilation pipe (or hook valve) separate from the top plate was attached to both the push plate and the through hole drilled in the center of the top plate, or only to the latter.

[Problem that the invention attempts to solve]

However, according to the above conventional example, the configuration (a) requires ultrasonic welding work, and the
Considering the configuration of (b), it is a ventilation pipe (or hook valve).
It was time-consuming because it required work to attach it to both (or one) the push plate and the top plate. Furthermore, since the upper plate, lower plate, and ventilation pipe are separate members from the bellows-shaped body, there are disadvantages such as not only a large number of parts but also the need for a seal at the connection part.

This invention is intended to provide a solution to the above problems.

[Means for solving problems]

In this invention, as a means to solve the above problems, a lid body with a bellows inside is provided on the top of the container body, and a pressing plate forming the top surface of the lid body is pressed.
In an air-feeding pot that uses a bellows to supply compressed air into an inner bottle to draw up and dispense the liquid inside, the bellows has a top surface and a bellows-like body, as well as a through hole protruding from the top surface. The trachea is also integrally molded, and the upper surface portion is joined to the back surface of the push plate, and the ventilation pipe is force-fitted into the through hole formed in the push plate by elastic deformation so as to face the outside. It is constructed so that the air hole can be directly closed and pressed with the fingers.

With the above configuration, the upper opening of the vent pipe is closed with a finger, the bellows is pushed down together with the push plate, air is forced into the medium bottle, and the liquid content is poured out from the spout.

In addition, it is preferable that a spouting pipe, one end of which is connected to the pumping pipe, is integrally formed on the bottom of the lid.

〔Example〕

A first embodiment of this invention will be described below with reference to FIG.

1 is a container body, and this container body 1 includes an outer case 2, a lower mouth member 3 fixed to the upper end of the outer case 2, and a bottom plate 4 screwed to the lower end of the outer case 2 via a bottom bolt. It is made up of 6 is a rotating body rotatably provided on the lower surface near the outer periphery of the bottom plate 4;
7 is a medium bottle.

Reference numeral 8 denotes a lid body screwed onto the outer circumferential side wall of the lower opening member 3 constituting the upper part of the container body 1. This lid body 8 has a storage chamber 9 formed in its upper large-diameter cylindrical portion to accommodate a bellows 18, which will be described later. In addition, a small-diameter medium stopper 11 that closes the lower opening member 3 and the opening 10 of the medium bottle 7 hangs integrally with the storage chamber 9 at approximately the center of the bottom of the storage chamber 9. be. A scooping tube 12 is fitted into one side of the inner stopper 11 and hangs down, and the upper end of the scooping tube 12 is connected to a spouting tube 13 provided horizontally, and the container body 1 is connected to the tip of the spouting tube 13. An external spouting pipe 14 protruding from the outer surface is connected, and these pumping pipes 12, spouting pipes 13, and external spouting pipes 14 are communicated with each other. By integrally forming the spouting pipe 13 at the bottom of the lid body 8 in this way, the construction of the spouting pipe can be made simpler, and the pumping pipe 1
There is an advantage that positioning for attaching the pipe 2 and the external spout pipe 14 can be easily performed.

In addition, a cylindrical air supply hole 1 communicating with the storage chamber 9 of the lid body 8 is provided at a position of the inner plug body 11 avoiding the pumping pipe 12.
5, and the lower end of the air supply hole 15 communicates with the inside of the inner bottle 7 via a bottomed cylindrical body 16 that is force-fitted to the lower part of the inner stopper 11. Reference numeral 17 denotes a gasket that is press-fitted to the opening edge of the lower mouth member 3 to prevent liquid leakage.

A bellows 18 made of synthetic resin is housed in the storage chamber 9 of the lid 8. That is, this bellows 18 includes a bellows-shaped body 19, an upper surface 20 of this body 19, and a cylindrical ventilation pipe 2 protruding from the upper surface 20.
1 are integrally molded by blow molding or the like, and in this embodiment, a lower surface portion 22 of the bellows-shaped body portion 19 and a feeding tube portion 2 hanging down from the lower surface portion 22 are further formed.
3 are also integrally molded.

A flange 21a is formed on the upper end of the ventilation pipe 21, and a protrusion 23a is formed on the outer periphery of the feed cylinder 23.
1, the upper surface part 20 of the bellows 18 is joined to the back surface of the push plate 24, and the ventilation pipe 21 is force-fitted into the through hole 24a formed in the push plate 24 by elastic deformation. The push plate 24 is fixed so as to face the outside. And push plate 2
When the inward flange 25a of the cylindrical body 25 is engaged with the annular step 24b on the outer periphery of the cylindrical body 25 and the push plate 24 is pushed down, the forcible fitting protrusion 25b formed on the side wall of the cylindrical body 25 is inserted into the lid body. 8 is forcibly fitted into the notch groove 8a formed in the upper inner circumferential wall of No.8. As a result, the upward movement range of the push plate 24 is restricted by the inward flange 25a of the cylindrical body 25. In the above configuration,
By directly closing the air hole 21c of the ventilation pipe 21 with your fingers and pressing the pressure plate 24, the bellows 1
Compressed air according to 8 is supplied into the medium bottle 7 to pour out the contents.

26 is a spring for hastening the return of the body 19 of the bellows 18, and 27 and 28 are packings.

In this embodiment, a valve 29 is provided at the bottom of the air supply hole 15, as shown in the second figure, to prevent the liquid from entering the bellows 18 through the air supply hole 15 when the container falls over. You can also. However, in this case, the horizontal hole 3 is provided on the side of the air supply hole 15.
It is preferable that the compressed air remaining in the medium bottle 7 is discharged to the outside from this side hole 30 when the valve is closed, so that the liquid inside the bottle is not spontaneously discharged from the external spouting pipe 14.

3A and 3B show a second embodiment, in which cutouts 31...31 are formed radially on the upper end surface of the ventilation pipe 21, and when the bellows 18 is not pressed, air is drawn through the cutouts 31...31. When the bellows 18 is pressed, the notch 31 is closed with a finger and compressed air is sent into the medium bottle 7 through the air supply hole 15, and the other configuration is the same as that in FIG. According to this configuration,
It is possible to prevent dust from entering from the upper part of the ventilation pipe 21.

FIG. 4 shows a third embodiment, in which a flange 2 of a ventilation pipe 21 is formed in the same manner as the ventilation pipe 21 shown in the first diagram.
It is characterized in that an O-ring 32 is fitted in the lower part of 1a, and the other configurations are the same as in FIG. 1. According to this, the ventilation pipe 21 and the push plate 24
In addition to the watertight effect between the through holes 24a, the ventilation pipe 2
Shaking with the push plate 24 of No. 1 can also be prevented.

FIG. 5 shows a fourth embodiment, in which a cylindrical rising wall 33 is erected at the center of the push plate 24, and the upper end of the ventilation pipe 21 is bent outward to form a bent portion 33. The ventilation pipe 21 is forcefully fitted into the through hole 24a of the push plate 24 by elastic deformation so as to face the outside, and the rising wall 33 is fitted into the gap 35 between the bent portion 34 and the ventilation pipe side wall 21b. The other features are the same as in FIG. 1.

In each of the above embodiments, the air hole 21c of the ventilation pipe 21 is
Directly block the upper opening with your fingers, press down the bellows 18 via the push plate 24, and send the compressed air into the medium bottle 7 to open the spout 14 of the external spout pipe 14.
The content liquid can be poured out from a. For this purpose, a portion of the ventilation pipe 21 in each embodiment is made to protrude upward from the upper surface of the push plate 24 so that the opening can be easily closed with fingers.

[Effect of idea]

According to this invention, (1) The bellows 18 includes an upper surface portion 20 and a bellows-shaped body portion 19 as well as a ventilation pipe 2 protruding from the upper surface portion 20.
1 is also integrally molded, there is no need to join the top plate separate from the top surface of the bellows using ultrasonic welding, as in the conventional example, and there is no need to use ultrasonic welding to join the top plate, which is separate from the top surface of the bellows. The structure is simple and does not require any mounting members.

(2) Push the upper surface 20 of the bellows 18 onto the push plate 24.
The vent pipe 21 is force-fitted into the through hole 24a formed in the push plate 24 by elastic deformation so as to face the outside.
Not only can the bellows 18 be reliably assembled to the push plate 24, but the upper surface portion of the bellows 18 can be
0. In addition to being able to assemble the bellows-shaped body 19 and the ventilation pipe 21 at the same time, the ventilation pipe 21 can be reliably projected above the push plate 24, making the assembly work quick and easy.

(3) Furthermore, since the upper surface portion 20 of the bellows 18 is joined to the back surface of the push plate 24, the push plate 24
When pressed, the upper surface 20 of the bellows 18 can be pressed as surely as if it were pressed.

(4) Since the air hole 21c of the ventilation pipe 21 is immediately closed with a finger and the push plate 24 is pressed to pour out the liquid inside the medium bottle 7, the air inside the bellows 18 can be poured out. Since it can be reliably closed, compressed air can be reliably and efficiently pumped into the medium bottle 7.

Incidentally, if the configuration as described in claim (2) of the utility model registration is adopted, there are advantages as described above.

[Brief explanation of the drawing]

The figures all show embodiments of this invention. Fig. 1 is a longitudinal sectional side view of the main part of the first embodiment, Fig. 2 is a longitudinal sectional view of the vicinity of the inner plug body, and Fig. 3A is a longitudinal sectional view of the main part of the first embodiment. A vertical cross-sectional view of the main part, FIG. 3B is a plan view of the ventilation pipe in FIG. 3A,
FIG. 4 is a longitudinal cross-sectional view of the main part of the third embodiment, and FIG. 5 is a longitudinal cross-sectional view of the main part of the fourth embodiment. 1... Container body, 7... Medium bottle, 8... Lid body, 1
2... Sucking pipe, 13... Output pipe, 18... Bellows, 19... Bellows-shaped body, 20... Upper surface part, 21
...Vent pipe, 21c...Air hole, 24...Press plate, 24a...Through hole, 31...Notch.

Claims (1)

[Scope of claims for utility model registration] (1) The lid body 8 with the bellows 18 inside the container body 1
A pneumatic feed type pot is provided on the top of the bottle 7 and presses a push plate 24 forming the top surface of the lid body 8 to supply compressed air from the bellows 18 into the inside of the medium bottle 7 to draw up and dispense the content liquid. In addition to the upper surface portion 20 and the bellows-shaped body portion 19, the bellows 18 is also integrally formed with a ventilation pipe 21 protruding from the upper surface portion 20, and the upper surface portion 20 is joined to the back surface of the push plate 24. The ventilation pipe 21 is formed in the through hole 2 in the push plate 24.
4a through elastic deformation so as to be exposed to the outside, and the air hole 21c of the ventilation pipe 21 is directly closed and pressed with a finger or finger. (2) The pneumatic feeding pot according to claim (1), which is a registered utility model, wherein a spouting pipe 13 whose one end is connected to a pumping pipe 12 is integrally formed at the bottom of the lid 8.