CN210185217U

CN210185217U - Heat insulation cup

Info

Publication number: CN210185217U
Application number: CN201920442150.6U
Authority: CN
Inventors: Xiangqian Xu; 徐向前
Original assignee: Suzhou Wuzhong District Xukou Shunjia Precision Mold Processing Plant
Current assignee: Suzhou Wuzhong District Xukou Shunjia Precision Mold Processing Plant
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-03-27
Anticipated expiration: 2029-04-03

Abstract

The utility model discloses a vacuum cup, its technical scheme main points are: comprises a shell, an inner container and a cover, wherein a vacuum cavity is arranged between the shell and the inner container, the cover is in threaded connection with an opening at the end part of the inner container, the shape of the inner container and the outer shell are both tubular with necking, the thickness of the inner container is 0.3mm, the thickness of the shell is 0.5mm, the outer wall surface of the inner container is provided with a copper film layer, the bottom of the inner container is provided with a placing groove which is sunken towards the cavity of the inner container, a getter is placed in the placing groove, the bottom of shell has the evacuation indent that the vacuum cavity stayed, and the copper film of inner bag outer wall can the reflection heat radiation, and the form that reduces the heat and pass through the radiation scatters away, and the getter in the standing groove can be in the evacuation incomplete or take place the air when the fine leakage, can guarantee the vacuum condition of vacuum cavity, guarantees the heat preservation effect of thermos cup.

Description

Heat insulation cup

Technical Field

The utility model relates to a heat preservation device, in particular to vacuum cup.

Background

The vacuum cup is a container made of ceramic or stainless steel and vacuum layer, the top of the container is covered tightly, the vacuum heat insulating layer can delay the heat dissipation of the liquid such as water in the container, so as to achieve the purpose of heat preservation. There are three ways thermal power can be transmitted: the heat dissipation of the vacuum cup is delayed from the three aspects of radiation, convection and transmission, so that the vacuum cup achieves the effect of heat preservation.

The existing heat preservation still has a series of defects: on one hand, the vacuumized cup may have slight tiny pinholes after being used for a long time, which affects the vacuum performance, and the vacuum cavity in the vacuum cup is not necessarily completely vacuum due to the limit of the vacuuming technology.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a thermos cup to solve the problem of mentioning in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a vacuum cup, includes shell, inner bag and lid, the shell with the vacuum cavity has between the inner bag, lid threaded connection is in the tip opening of inner bag, the inner bag with the appearance of shell is the tube-shape that has the throat, the thickness of inner bag is 0.3mm, the thickness of shell is 0.5mm, the outer wall surface of inner bag has one deck copper film layer, the bottom of inner bag have one to the sunken standing groove of inner bag cavity, the getter has been placed in the standing groove, the bottom of shell has the evacuation indent that the vacuum cavity left.

Through adopting above-mentioned technical scheme, the inner bag adopts 0.3mm, and the shell adopts 0.5mm to make tensile and welding process all realize more easily under the condition of proof strength, and the copper film of inner bag outer wall can reflect the heat radiation, and it is lost through the form of radiation to reduce the heat, and the getter in the standing groove can be in the incomplete or take place the fine leakage absorption air in the evacuation on the inner bag, can guarantee the vacuum condition of vacuum chamber.

Preferably, the getter is a zircon graphite getter, a zirconium nickel getter or a zirconium iron vanadium getter.

By adopting the technical scheme, the manufacturing cost of the getter is relatively low, and the cost is favorably reduced.

Preferably, the lid is a polypropylene lid.

By adopting the technical scheme, the polypropylene cover has better stability at the high temperature of 100 ℃ and does not emit toxic substances.

Preferably, the cover is provided with a convex part and a spiral part, the spiral part is provided with an external thread, and the opening at the end part of the inner container is provided with an internal thread matched with the external thread.

Through adopting above-mentioned technical scheme, the bulge can play the effect that spacing spiral portion twisted the degree of depth on the one hand, still has the effect that compresses tightly inner bag and shell and make it keep certain leakproofness.

Preferably, the getter is fixed on the bottom of the placing groove by gluing.

Through adopting above-mentioned technical scheme, adopt the sticky fixed mode of getter to produce simply, it is also comparatively firm to fix the getter.

Preferably, the diameter of the bottom end of the shell is 6-8 cm.

By adopting the technical scheme, the diameter of the large end of the shell of 6-8cm is beneficial to stretching the die to open the die, and the die opening cost is reduced.

Preferably, a groove is formed in the end face, close to the inner container, of the protruding portion, and a sealing gasket is arranged in the groove.

Through adopting above-mentioned technical scheme, seal ring in the recess will play good sealed effect to the thermos cup when the spiral portion is screwed up.

Preferably, the bottom end of the shell is provided with anti-slip stripes.

By adopting the technical scheme, the anti-skid stripes at the bottom end of the shell can be produced by pressing, the production process is simple, and the thermos cup can be placed more stably.

To sum up, the utility model discloses mainly have following beneficial effect:

the inner container is 0.3mm, the shell is 0.5mm, the stretching and welding processes are easy to realize under the condition of ensuring the strength, the copper film on the outer wall of the inner container can reflect heat radiation, the heat loss through the radiation form is reduced, the getter in the placing groove on the inner container can absorb air when the vacuum pumping is incomplete or the fine leakage occurs, and the vacuum condition of the vacuum cavity can be ensured.

Drawings

FIG. 1 is a sectional view of the construction of a vacuum cup;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is an enlarged view at B in FIG. 1;

fig. 4 is a schematic structural view of the vacuum cup.

Reference numerals: 1. a housing; 2. an inner container; 3. a cover; 4. a vacuum chamber; 5. a copper film layer; 6. a placement groove; 7. a getter; 8. vacuumizing and recessing; 9. a projection; 10. a spiral portion; 11. a groove; 12. A sealing gasket; 13. and (4) anti-skid stripes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a vacuum cup comprises a shell 1, an inner container 2 and a cover 3, wherein a vacuum cavity 4 is arranged between the shell 1 and the inner container 2, the cover 3 is in threaded connection with an end opening of the inner container 2, and the inner container 2 and the shell 1 are both in a cylindrical shape with a necking; in order to facilitate the production of the vacuum cup, the thickness of the inner container 2 is 0.3mm, the thickness of the outer shell 1 is 0.5mm, the inner container 2 is 0.3mm, and the outer shell 1 is 0.5mm, so that the stretching and welding processes are easy to realize under the condition of ensuring the strength; in order to ensure the heat preservation effect of the vacuum cup, the surface of the outer wall of the inner container 2 is provided with a copper film layer 5, the bottom of the inner container 2 is provided with a placing groove 6 sunken towards the cavity of the inner container 2, a getter 7 is placed in the placing groove 6, and the bottom of the shell 1 is provided with a vacuumizing recess 8 left by a vacuumizing cavity 4; the copper film on the outer wall of the inner container 2 can reflect heat radiation, so that heat loss through radiation is reduced, the getter 7 in the placing groove 6 on the inner container 2 can absorb air when vacuumizing is incomplete or fine leakage occurs, and the vacuum condition of the vacuum cavity 4 can be ensured.

Referring to fig. 2 and 3, the getter 7 is a zircon getter, which is relatively low in manufacturing cost and beneficial to reduce the cost; wherein the cover 3 is a polypropylene cover which has better stability at a high temperature of 100 ℃ and does not emit toxic substances; in order to enable the cover 3 to well seal the opening at the end part of the liner 2, the cover 3 is provided with a convex part 9 and a spiral part 10, the spiral part 10 is provided with an external thread, the opening at the end part of the liner 2 is provided with an internal thread matched with the external thread, and the convex part 9 on the cover 3 can play a role of limiting the screwing depth of the spiral part 10 and also has the effect of pressing the liner 2 and the shell 1 to keep certain sealing performance; in order to facilitate the fixation of the getter 7, the getter 7 is fixed at the bottom of the placing groove 6 by gluing, the production is simple by adopting the mode of gluing and fixing the getter 7, and the fixed getter 7 is firmer; in order to enable the cover 3 to have a good sealing effect, the protruding portion 9 is provided with a groove 11 at the end face close to the inner container 2, a sealing gasket 12 is arranged in the groove 11, and the sealing gasket 12 in the groove 11 plays a good sealing effect on the vacuum cup when the spiral portion 10 is screwed down.

Referring to fig. 4, for convenience of production, the diameter of the bottom end of the shell 1 is set to be 7cm, and the adoption of the diameter of the large end of the shell 1 of 7cm can facilitate die opening of a stretching die and reduce die opening cost; in order to enable the thermos cup to be placed more stably, the bottom end of the shell 1 is provided with the anti-slip stripes 13, the anti-slip stripes 13 at the bottom end of the shell 1 can be produced by pressing, the production process is simple, and the thermos cup can be placed more stably; the materials of the outer shell 1 and the inner container 2 are all made of Japan-brand SUS304 steel, 06Cr19Ni10 (0Cr18Ni9) stainless steel, and the stainless steel contains high nickel and is in an austenite single-phase structure at room temperature, so the stainless steel has high corrosion resistance compared with Cr13 stainless steel, has high plasticity and toughness at low temperature, room temperature and high temperature, and has good cold forming and welding performance, thereby facilitating the drawing and welding production.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A thermos cup, includes shell (1), inner bag (2) and lid (3), shell (1) with vacuum chamber (4) have between inner bag (2), lid (3) threaded connection be in the tip opening of inner bag (2), its characterized in that: the utility model discloses a vacuum pump, including inner bag (2), shell (1), the appearance of inner bag (2) and shell (1) is the tube-shape that has the throat, the thickness of inner bag (2) is 0.3mm, the thickness of shell (1) is 0.5mm, the outer wall surface of inner bag (2) has one deck copper film layer (5), the bottom of inner bag (2) have one to the sunken standing groove (6) of inner bag (2) cavity, getter (7) have been placed in standing groove (6), the bottom of shell (1) has the evacuation indent (8) that take out vacuum cavity (4) leave.

2. A thermos cup according to claim 1, wherein: the getter (7) is a zircon graphite getter, a zirconium-nickel getter or a zirconium-iron-vanadium getter.

3. A thermos cup according to claim 1, wherein: the cover (3) is a polypropylene cover.

4. A thermos cup according to claim 1, wherein: the cover (3) is provided with a convex part (9) and a spiral part (10), the spiral part (10) is provided with an external thread, and the end opening of the inner container (2) is provided with an internal thread matched with the external thread.

5. A thermos cup according to claim 1, wherein: the getter (7) is fixed at the bottom of the placing groove (6) by gluing.

6. A thermos cup according to claim 1, wherein: the diameter of the bottom end of the shell (1) is 6-8 cm.

7. A thermos cup according to claim 4, characterized in that: the end face, close to the inner container (2), of the protruding portion (9) is provided with a groove (11), and a sealing gasket (12) is arranged in the groove (11).

8. A thermos cup according to claim 1, wherein: the bottom end of the shell (1) is provided with anti-skid stripes (13).