CN217013471U - Bell mouth vacuum thermo jug of reduction in rejection rate - Google Patents

Abstract

The utility model discloses a bell mouth vacuum thermos flask for reducing rejection rate, which comprises a thermos flask mouth; the thermos bottle comprises a thermos bottle body, a thermos bottle opening, a vacuum cavity, a thermos bottle liner, a thermos bottle shell and a shell base, wherein the thermos bottle opening is arranged at the top of the thermos bottle body, the thermos bottle opening and the interior of the thermos bottle body form the vacuum cavity, the thermos bottle body comprises the thermos bottle liner, the thermos bottle shell and the shell base, the thermos bottle liner and the thermos bottle shell are both of a cavity structure, the top of the thermos bottle liner and the bottom of the thermos bottle opening are fixedly connected into a whole through a butt welding seam, and the thermos bottle liner is arranged in a cavity of the thermos bottle shell; through welded mode fixed connection between the top through the thermo jug inner bag and the second ladder of thermos bottle mouth to and the thermo jug shell cup joints on the thermo jug inner bag and the top setting of thermo jug shell is on the first ladder of thermos bottle mouth and through welded mode fixed connection, thereby realizes three's sealed assembly, and is sealed effectual, and processing technology is simpler moreover, with low costs, the yields is high.

Description

Horn mouth vacuum thermo jug for reducing rejection rate

Technical Field

The utility model relates to the technical field of thermos flasks, in particular to a bellmouth vacuum thermos flask capable of reducing the rejection rate.

Background

The vacuum cup is a water container with a heat preservation function, and can preserve heat of liquid stored in the vacuum cup, so that the retention time of the temperature of the liquid is effectively prolonged.

Among the prior art, horn mouth vacuum insulation kettle comprises thermos bottle mouth, thermos bottle inner bag, thermos bottle shell and shell base intermediate layer vacuum cavity, because the neck has the shrink mouth for the alignment nature that thermos bottle mouth overlaps mutually with thermos bottle inner bag and thermos bottle shell is poor, thereby influences thermos bottle mouth and thermos bottle inner bag and thermos bottle shell welded welding seam roughness, and the welding seam quality has influenced the leakproofness in vacuum cavity, thereby influences the heat preservation effect, and the rejection rate is high.

SUMMERY OF THE UTILITY MODEL

The utility model solves the problem of providing the bell-mouth vacuum thermos flask which has good alignment property of the inner liner and the outer shell of the thermos flask, improves the flatness of welding seams and has high yield and reduced rejection rate.

In order to solve the problems, the technical scheme of the utility model is as follows:

a horn mouth vacuum thermo jug for reducing rejection rate comprises

A heat preservation kettle mouth; the thermos bottle comprises a thermos bottle body, a thermos bottle opening, a vacuum cavity, a thermos bottle liner, a thermos bottle shell and a shell base, wherein the thermos bottle opening is arranged at the top of the thermos bottle body, the thermos bottle opening and the interior of the thermos bottle body form the vacuum cavity, the thermos bottle body comprises the thermos bottle liner, the thermos bottle shell and the shell base, the thermos bottle liner and the thermos bottle shell are both of a cavity structure, the top of the thermos bottle liner and the bottom of the thermos bottle opening are fixedly connected into a whole through a butt welding seam, and the thermos bottle liner is arranged in a cavity of the thermos bottle shell; the wall thickness of thermos flask mouth is greater than thermos flask shell top wall thickness, there are degressive first ladder of diameter and second ladder thermos flask mouth bottom, first ladder is the turning ladder, the ladder width of first ladder longitudinal section equals thermos flask shell top wall thickness, the second ladder is the mouth of pipe shrink ladder.

Furthermore, the wall thickness of the thermos bottle mouth is equal to the sum of the wall thickness of the top of the thermos bottle liner and the wall thickness of the top of the thermos bottle shell.

Furthermore, the wall thickness of the top of the inner container of the thermos bottle is equal to that of the bottom end of the second step.

Furthermore, thermo jug shell cup joints on the thermo jug inner bag, the top setting of thermo jug shell is on the first ladder of thermos mouth and the wall thickness of thermo jug shell is unanimous with the ladder width of first ladder longitudinal section, through welded mode fixed connection between thermo jug shell and the thermos mouth.

Furthermore, the shell base is fixedly connected with the thermos flask shell in a welding mode.

Further, be provided with the gas vent on the shell base, gas vent department is provided with the sealing member.

The utility model provides a bell mouth vacuum thermos flask capable of reducing rejection rate, which has the following beneficial effects:

through welded mode fixed connection between the top through the thermo jug inner bag and the second ladder of thermos mouth, and the thermo jug shell cup joints on the thermo jug inner bag and the top setting of thermo jug shell is on the first ladder of thermos mouth and through welded mode fixed connection, because first ladder is the turning ladder, make thermo jug inner bag and thermo jug shell overlap well to the centering nature, make the welded welding seam level and smooth, the leakproofness improves, the yields is high, this assembly methods can keep the distance of inner wall and outer wall well, guarantee that the vacuum layer has sufficient thickness, the shell base passes through the insulating properties of welded mode and thermo jug shell fixed connection and seam crossing through polishing treatment assurance vacuum thermo jug.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below.

FIG. 1 is a perspective view of a bell-mouth vacuum flask for reducing the rejection rate in accordance with the present invention;

FIG. 2 is a sectional view of a bell-mouth vacuum flask of the present invention for reducing scrap rates;

FIG. 3 is a cross-sectional view of a thermos bottle mouth;

FIG. 4 is a first exploded view of a reduced reject rate bell-mouth vacuum insulated kettle according to the present invention;

FIG. 5 is a second exploded view of a reduced reject rate bell-mouth vacuum insulated kettle according to the present invention;

FIG. 6 is a third exploded view of the present invention showing a bell mouth vacuum flask for reducing the reject rate;

fig. 7 is an exploded view of a fourth embodiment of a reduced reject rate flared vacuum insulated kettle according to the present invention.

In the figure:

the thermos flask comprises a thermos flask opening 1, a thermos flask body 2, a thermos flask inner container 3, a thermos flask shell 4, a shell base 5, an exhaust port 6, a first step 7 and a second step 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

The utility model is further described with reference to the following drawings and detailed description:

referring to fig. 1, the bell-mouth vacuum thermos flask for reducing the rejection rate of the embodiment includes a thermos flask mouth 1; the thermos bottle comprises a thermos bottle body 2, and a thermos bottle opening 1 is arranged at the top of the thermos bottle body 2.

Referring to fig. 2, a vacuum cavity is formed between the thermos bottle opening 1 and the interior of the thermos bottle body 2, the thermos bottle body 2 comprises a thermos bottle inner container 3, a thermos bottle shell 4 and a shell base 5, the thermos bottle inner container 3 and the thermos bottle shell 4 are both in a cavity structure, the top of the thermos bottle inner container 3 is fixedly connected with the bottom of the thermos bottle opening 1 into a whole through a butt weld, and the thermos bottle inner container 3 is arranged in the cavity of the thermos bottle shell 4;

referring to fig. 2 and 3, the wall thickness of the thermos bottle mouth 1 is greater than the wall thickness of the top of the thermos bottle shell 4, the bottom of the thermos bottle mouth 1 is provided with a first step 7 and a second step 8, the diameter of the first step 7 is decreased progressively, the step width of the longitudinal section of the first step 7 is equal to the wall thickness of the top of the thermos bottle shell 4, and the second step 8 is a pipe orifice contraction step. In the embodiment, the wall thickness of the top of the inner container 3 of the thermos flask is equal to the wall thickness of the bottom end of the second step 8, the wall thickness of the thermos flask mouth 1 is equal to the sum of the wall thickness of the top of the inner container 3 of the thermos flask and the wall thickness of the top of the outer shell 4 of the thermos flask, the top setting of thermo jug shell 4 is on the first ladder 7 of thermo jug mouth 1, the wall thickness of thermo jug shell 4 is unanimous with the ladder width of first ladder 7 longitudinal section, through welded mode fixed connection and seam crossing polishing treatment between thermo jug shell 4 and the thermo jug mouth 1, fixed connection and seam crossing polishing treatment between shell base 5 through welded mode and thermo jug shell 4, be provided with gas vent 6 on the shell base 5, 6 departments of gas vent are provided with the sealing member, shell base 5 passes through the heat preservation performance that polishing treatment guaranteed vacuum thermo jug through welded mode and thermo jug shell 4 fixed connection and seam crossing.

The production process comprises the following steps of firstly sleeving a heat preservation kettle shell 4 on a heat preservation kettle inner container 3, referring to fig. 5 and fig. 6, fixedly connecting the top of the heat preservation kettle inner container 3 and a second step 8 of a heat preservation kettle opening 1 in a welding mode, polishing the seam, referring to fig. 6 and fig. 7, then arranging the top of the heat preservation kettle shell 4 on a first step 7 of the heat preservation kettle opening 1, fixedly connecting the top of the heat preservation kettle shell 4 in a welding mode, polishing the seam, referring to fig. 7, fig. 3, fixedly connecting a shell base 5 with the heat preservation kettle shell 4 in a welding mode, polishing the seam, fixedly connecting the heat preservation kettle inner container 3 and the heat preservation kettle shell 4 with the heat preservation kettle opening 1 in a welding mode respectively, realizing the sealing assembly of the three components, having good sealing effect and effectively reducing the occurrence of air leakage, this assembly method can keep the distance centering of 3 inner walls of thermo jug inner bag and 4 outer walls of thermo jug shell to overlap well for the welded welding seam is level and smooth, and the leakproofness improves, and the yields height guarantees that the vacuum layer has sufficient thickness, and shell base 5 passes through the thermal insulation performance that welded mode and thermo jug shell 4 fixed connection and seam crossing guaranteed vacuum thermo jug through polishing treatment, and processing technology is simpler moreover, with low costs, the yields is high.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A horn mouth vacuum thermo jug for reducing rejection rate comprises

A thermos flask mouth (1);

the thermos flask comprises a thermos flask body (2), wherein a thermos flask opening (1) is arranged at the top of the thermos flask body (2), a vacuum cavity is formed between the thermos flask opening (1) and the interior of the thermos flask body (2), the thermos flask body (2) comprises a thermos flask liner (3), a thermos flask shell (4) and a shell base (5), the thermos flask liner (3) and the thermos flask shell (4) are both in a cavity structure, the top of the thermos flask liner (3) is fixedly connected with the bottom of the thermos flask opening (1) into a whole through butt welding seams, and the thermos flask liner (3) is arranged in a cavity of the thermos flask shell (4);

the method is characterized in that:

the wall thickness of thermos flask mouth (1) is greater than thermos flask shell (4) top wall thickness, there are first ladder (7) and second ladder (8) that the diameter degressive in thermos flask mouth (1) bottom, first ladder (7) are the turning ladder, the ladder width of first ladder (7) longitudinal section equals thermos flask shell top wall thickness, second ladder (8) are the mouth of pipe shrink ladder.

2. The reduced reject rate bell mouth vacuum insulated kettle of claim 1, wherein: the wall thickness of the thermos bottle mouth (1) is equal to the sum of the wall thickness of the top of the thermos bottle liner (3) and the wall thickness of the top of the thermos bottle shell (4).

3. The reduced reject rate bell mouth vacuum insulated kettle of claim 2, wherein: the wall thickness of the top of the inner container (3) of the thermos bottle is equal to that of the bottom end of the second step (8).

4. The reduced reject rate bell mouth vacuum insulated kettle according to claim 1, wherein: thermo jug shell (4) cup joints on thermo jug inner bag (3), the top setting of thermo jug shell (4) is on first ladder (7) of thermos flask mouth (1) and the wall thickness of thermo jug shell (4) is unanimous with the ladder width of first ladder (7) longitudinal section, through welded mode fixed connection between thermo jug shell (4) and thermos flask mouth (1).

5. The reduced reject rate bell mouth vacuum insulated kettle of claim 1, wherein: the shell base (5) is fixedly connected with the thermo jug shell (4) in a welding mode.

6. The reduced reject rate bell mouth vacuum insulated kettle of claim 1, wherein: an exhaust port (6) is formed in the shell base (5), and a sealing piece is arranged at the exhaust port (6).

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