JPS585555Y2 - Pneumatic thermos flask - Google Patents

Description

[Detailed description of the invention] This invention uses air pressure to pour out the liquid in the bottle using air pressure, especially a screw-in type pneumatic thermos where the lid with a built-in bellows X is screwed into a draining member. The purpose of this thermos flask is to provide a pneumatic thermos flask that has an excellent design, in which the inner stopper can be taken in and taken out very easily, and the discharge pipe of the inner stopper does not protrude from the outer wall of the draining member. It is on offer.

Embodiments of the present invention will be described below with reference to the drawings.

1 is a pneumatic thermos flask that pours out the liquid in an inner bottle 3 by the pressure of a bellows 2; An inner stopper 7 inserted into a liquid supply opening 6 provided in the
, a lid body 8 with a built-in bellows detachably attached to the upper surface of the draining member, and a liquid guiding pipe 10 fitted into a liquid outlet 9 provided in the draining member.

The draining member 5 attached around the upper end of the outer case has a liquid supply opening in the center, and the opening of the inner bottle 3 is attached to the lower part of the liquid supply opening via an annular packing 11.

A threaded part 12 is provided around the upper part of the inner wall of this draining member, and is screwed into a threaded part of a lid described later, and a liquid outlet is formed below this threaded part.

This drainage member has a liquid supply opening 6, a threaded portion 12, and a liquid outlet 9 integrally formed.

The lid body 8 has a bellows 2. , a spring 13 built into the bellows, a push plate 14 built into the bellows, an upper cover 15 surrounding the bellows, and a lower plate 1 fitted around the lower end of the upper cover.
It consists of 6.

This lower plate 16 is provided with a lower plate threaded portion 17 which is screwed onto the threaded portion 12 of the draining member 5, which screws the lid body onto the draining member.

A bottom cover 19 is fitted to the lower end of the outer case 4 via a threaded ring 18, and a tightening member 20 for supporting the inner bottle 3 is screwed into the center of the bottom cover.

21 is a screw that fixes the bottom cover 19, the threaded ring 18, and the lower end of the outer case 4.

The inner stopper 7 is partially hollow so as to send the air pressure of the bellows inside the lid into the inner bottle, and the tip of the inner stopper is located at the bottom of the inner bottle at the lower end of the inner stopper to send the liquid in the inner bottle. A pumping pipe 22 is provided, and the rear end of this pumping pipe is connected to the rear end of a discharge pipe 23 within the inner stopper.

The distal end of the discharge pipe 23 is loosely fitted into the liquid outlet provided in the draining member 5 with a slight gap in order to prevent siphon action.

Reference numeral 10 denotes a water conduit, the rear end of which is in close contact with the lower part of the liquid outlet 9 of the drainage member, and the tip of which penetrates through the exterior case 4 and is in close contact with the outer periphery of the liquid conduit member 25 inside the cover 24 fixed to the outer wall of the exterior case. ing.

26 is a handle attached to both side walls of the draining member.

As described above, in the present invention, a threaded part for screwing the lid is provided around the upper part of the inner wall of the draining member to make the lid a screw-in type, and a liquid outlet part is provided below this threaded part. This threaded part and the liquid outlet part are integrally molded, and the tip of the inner stopper's discharge pipe is loosely fitted into the liquid outlet part, so the inner stopper's discharge pipe is extremely short, and the inner stopper can be easily inserted into the inner stopper. Removal is very smooth, and operation during use is extremely simple, just by rotating the lid and attaching/detaching the inner stopper.

Furthermore, there is no need to provide an opening for the discharge pipe of the inner stopper from the inner wall to the outer wall of the draining member as in the past, and the screw-in lid also fits into the threaded part of the inner wall of the draining member. Therefore, it is also excellent in terms of design.

Furthermore, since the threaded part and the liquid outlet part are integrally molded as a drainage member, it can be manufactured at low cost and assembly is easy.

[Brief explanation of the drawing]

FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG. 2 is an enlarged view of section A in FIG. 3...Inner bottle, 4...Outer case, 5
... Drain member, 6 ... Liquid supply opening, 7 ... Inner stopper, 8 ... Lid body, 9 ...
...Liquid outlet, 10...Liquid guide pipe, 12...
...Threaded part, 23...Discharge pipe.

Claims (1)

[Scope of utility model registration request] The outer periphery of the inner bottle 3 is surrounded by an outer case 4, a drain member 5 is attached to the upper end of the outer case, a liquid supply opening 6 is provided in the center of the drain member, and an inner stopper 7 is inserted into the liquid supply opening. A thermos flask in which a lid body with a built-in bellows 2 is removably attached to the top surface of the draining member, and the liquid inside the inner bottle is poured out by pressing the bellows, A threaded part 12 is provided to which a lid body with a built-in bellows is screwed, and a liquid outlet 9 into which the tip of the discharge pipe 23 of the inner stopper can be loosely fitted is provided at the lower end of this threaded part. This thermos using air pressure is characterized in that a draining member is integrally molded, the liquid is guided to the lower part of the liquid outlet of the draining member, the rear end of the liquid pipe 10 is fitted, and the tip of the liquid guiding pipe is installed on the outside of the thermos.