JPS6029Y2 - Metal magic bottle bottom cover mounting structure - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a structure for attaching the bottom cover of a metal magic bottle.

Conventionally, metal magic bottles have been provided in which a space formed between a metal inner bottle and a metal outer bottle surrounding the inner bottle is evacuated.

A tip tube for exhaust is provided at the bottom of the outer bottle, and a metal bottom cover is attached by adhesive to cover the bottom of the outer bottle to protect the tip tube.

However, when a metal magic bottle is accidentally dropped, the bottom cover is subjected to a strong impact force, so the bottom cover is likely to fall off if it is simply glued.

Therefore, the bottom cover may be welded to the bottom of the outer bottle, but in this case, the bottom cover cannot be replaced if it becomes deformed or damaged.

By the way, an outer bottle is usually constructed by joining two or more components to each other, and from the viewpoint of reinforcing the joint and improving the appearance, a body ring is attached around the joint.

The object of the present invention is to provide a bottom cover mounting structure for a metal magic bottle that uses the body ring to easily and reliably fix the bottom cover to the bottom of the outer bottle.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the accompanying drawings, which are examples of the present invention.

In the drawings, 1 is a metal inner bottle, 2 is a metal outer bottle, and the space between the inner bottle 1 and the outer bottle 2 is a vacuum chamber 3.

The outer bottle 2 is composed of three members: an outer bottle shoulder body 4, an outer bottle body 5, and an outer bottle bottom body 6 from above.
IG) Joined by welding or lap seam welding.

In the upper and lower vicinity of the joint 7 between the outer bottle shoulder body 4 and the outer bottle body 5, there are inclined surfaces 8a, 8 projecting outward as shown in FIG.
On the other hand, an inclined surface 10 projecting diagonally downward is formed near the upper portion of the joint 9 between the outer bottle body 5 and the outer bottle bottom 6, as shown in FIG.

The outer bottle shoulder body 4 is formed with a male screw 4a into which the stopper 11 is screwed, and a male screw 4b into which the lid 12 which also serves as a stopper is screwed.

Further, a getter 14 is attached to the inner surface of the upper end of the outer bottle body 5 by a holding fitting 13, and absorbs gas generated from the outer surface of the inner bottle or the inner surface of the outer bottle, thereby preventing a decrease in the degree of vacuum.

An exhaust tip pipe 15 is provided at the center of the lower end of the outer bottle bottom body 6.

A metal bottom cover 16 is fitted around the outer bottle bottom 6, and the upper end of the bottom cover 16 abuts the lower surface of the joint 9 between the outer bottle body 5 and the outer bottle bottom 6. At the same time, an inclined surface 16a that projects diagonally upward is formed at this upper end.

An opening hole 17 having a raised edge 17a is formed in the center of the bottom of the bottom cover 16, and the synthetic resin bottom plate 1 is inserted into this opening hole 17.
The bottom plate 18 is fixed to the bottom cover 16 by fitting the protection cylinder 19 of No. 8 and engaging the projections 19a protruding at a plurality of locations on the outer periphery of the protection cylinder 19 with the upper edge of the rim portion 17a.

A protective cylinder 19 of the bottom plate 18 covers the outer periphery of the tip tube 15, and a gap l is provided between the upper end of the protective cylinder 19 and the outer bottle bottom body 6.

This gap l is smaller than the gap between the tip tube 15 and the top surface of the bottom plate 18, and even if a large force acts on the bottom of this metal magic bottle and the bottom plate 18 is pushed upward, the protection tube 1
9 comes into contact with the bottom surface of the outer bottle bottom body 6 to prevent direct impact force from being applied to the tip tube 15, thereby preventing problems such as a decrease in the degree of vacuum.

Body rings 20 and 27 are attached around the joint 7 between the outer bottle shoulder body 4 and the outer bottle body 5, and the joint 9 between the outer bottle body 5 and the outer bottle bottom 6, respectively.

The upper body ring 20 is made of a roughly C-shaped resin molded product that is cut at one point as shown in FIGS. An open bearing hole 22 is formed.

Further, a space 23 into which the joint portion 7 is loosely fitted is formed on the inner surface of the body ring 20, and ribs 24at24b are alternately protruded from the upper and lower surfaces of this space 23 at intervals of 60'.

This body ring 20 is fitted around the joint portion 7, and a tightening screw 25 is inserted into the through hole 21, and a nut 2 is attached to the tip of the tightening screw 25.
It is tightened by screwing 6.

As a result, the ribs 24a, 24b of the body ring 20 are pressed against the inclined surfaces 8a, 8b near the joint 7 and are slightly crushed, and the inner circumferential surface of the body ring 20 is brought into close contact with the outer circumferential surface of the outer bottle 2.
At the same time, the trunk ring 20 is securely fixed to the joint portion 7 without vertically shifting (see FIG. 9).

In particular, since the ribs 24a, 24b are provided alternately without facing each other vertically, the rigidity of the joint 7 may cause the ribs 24a, 24b to
body ring 20 without being crushed more than necessary.
Can be securely fixed using its elasticity.

On the other hand, as shown in FIGS. 7 and 8, the lower body ring 27 is also made of a substantially C-shaped resin molded product like the upper body ring 20, and has a through hole 28 in the cut portion and a bearing that opens upward. A hole 29 is provided, and a space 30 and a rib 31a are provided on the inner surface.
, 31b are provided.

This body ring 27 is attached to the bottom cover 1 around the outer bottle bottom body 6.
6 are fitted together, and then fitted around the joint 9 between the outer bottle body 5 and the outer bottle bottom body 6 and the upper end of the bottom cover 16.

Then, the body ring 27 is tightened by inserting the tightening screw 32 into the through hole 28 and screwing the nut 33 onto the tip.

At this time, the ribs 31a and 31b of the body ring 27 are connected to the upper inclined surface 10 of the joint portion 9 and the upper inclined surface 1 of the bottom cover 16.
6a, the body ring 27 is reliably fixed to the outer bottle 2, and the bottom cover 16 is integrally fixed to the outer bottle 2.

Therefore, the bottom cover 16 can be easily fixed to the outer bottle 2 without welding, gluing, etc.
This bottom cover 16 can also be replaced if it becomes deformed or damaged.

In addition, the bearing holes 22 and 29 of the body rings 20 and 27 have 1
Two handles 36, 37 are rotatably attached via M34, 35, and when the handles 36, 37 are stored on the outer bottle 2 side, the outer surfaces of the handles 36, 37 are attached to the body ring 20. Waist handle 36, matching the contour of 27
When 37 is rotated outward, it becomes a handle.

A square stirrup for attaching a hanging string 38 is attached to the nuts 26, 33, and either the handles 36, 37 or the hanging string 38 can be used when carrying this metal magic bottle.

In addition, in the above embodiment, the body ring is cut at one point C.
However, it is not limited to this, and two semicircular arc members can be used.
They may be combined into a ring shape.

However, in the case of a C-shape as in the embodiment, only one connecting portion is required, which facilitates assembly work.

Further, the ribs protruding from the inner surface of the barrel ring may be provided so as to be opposed to each other in the vertical direction.

As is clear from the above description, according to the present invention, the rib of the body ring that covers the joint between the outer bottle body and the outer bottle bottom is pressed against the inclined surface of the outer bottle body and the inclined surface of the bottom cover, Since the upper end of the bottom cover is attached by crimping it to the above-mentioned joint, the bottom cover can be easily and securely attached without gluing or welding, and even if an impact force is applied to the bottom cover, the bottom cover will not tilt. There is no need to worry about it falling off because the surface is prevented from being removed by the body ring.

Furthermore, even if the bottom cover becomes deformed or damaged, it can be easily replaced by removing the body ring.

[Brief explanation of drawings]

Fig. 1 is a front view of the metal magic bottle according to the present invention, Fig. 2 is a partially sectional side view, Fig. 3 is a partially sectional plan view, and Fig. 4 is a partially sectional side view.
The figures are a sectional view taken along the line IV--IV in FIG. 2, and FIG.
A sectional view taken along line VI, Figures 7 and 8 are a partially sectional plan view of the lower body ring, a sectional view taken along the line ■-■ in Figure 7, and Figure 9 shows the upper body ring attached to the joint of the outer bottle. FIG. 10 is a partially enlarged sectional view of the lower barrel ring attached to the joint of the outer bottle. 1...Inner bottle, 2...Outer bottle, 3...
...Vacuum chamber, 5... Outer bottle body, 6...
Outer bottle bottom body, 9...Joint part, 10...Slanted surface, 15...Tip tube, 16...Bottom cover 16a...・Slope, 27...
Body ring, 30...Space part, 31a, 31b.
...Publisher.

Claims (1)

[Scope of utility model registration request] The space between the metal inner bottle and the metal outer bottle surrounding the inner bottle is made into a vacuum chamber, and the lower part of the outer bottle is constructed by joining the outer bottle body and the outer bottle bottom body. In a metal magic bottle in which a body ring is attached around the joint and a bottom cover is attached to the outer periphery of the outer bottle bottom, an inclined surface protruding diagonally downward is formed near the joint of the outer bottle body. The upper end of the bottom cover is formed with an inclined surface projecting obliquely upward, and this upper end is brought into contact with the lower surface of the joint, while the inner surface of the body ring is provided with a space in which the joint is loosely fitted. a metal magic bottle, characterized in that a rib is provided which protrudes from the upper and lower surfaces of the space and comes into contact with the inclined surface, and the rib is crimped onto the inclined surface by tightening the body ring. Bottom cover mounting structure.