CN217161678U - Vacuum pumping structure of vacuum cup - Google Patents
Vacuum pumping structure of vacuum cup Download PDFInfo
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- CN217161678U CN217161678U CN202221163249.0U CN202221163249U CN217161678U CN 217161678 U CN217161678 U CN 217161678U CN 202221163249 U CN202221163249 U CN 202221163249U CN 217161678 U CN217161678 U CN 217161678U
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- vacuum
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Abstract
The utility model discloses a vacuum pumping structure of a vacuum cup, which comprises a shell and an inner container which are connected together by welding at the opening part, wherein a clearance layer is arranged between the shell and the inner container, a vacuum pumping hole is arranged at the bottom of the shell, a groove is arranged on the bottom plane of the shell, the vacuum pumping hole is arranged at the bottom of the groove, a cap fixed on the bottom plane is arranged above the groove, solder is arranged in a cavity enclosed by the cap and the groove, and a gap is arranged between the cap and the bottom plane; the cup cover of the utility model has simple and reliable structure and high production efficiency.
Description
Technical Field
The utility model belongs to the technical field of the drinking cup, especially, relate to an evacuation structure of thermos cup.
Background
The existing vacuum cup is generally subjected to vacuum pumping treatment, a horn-shaped vacuum pumping hole is generally punched on the outer surface of the bottom of the shell in the existing vacuum pumping structure, and during vacuum pumping, a cup needs to be inverted, and then solder is placed in the vacuum pumping hole. With the structure, the solder is not fixed, the cup is not stably placed upside down, and the solder is easy to fall or shift from the vacuumizing hole when moving in the transportation or production process, so that the vacuumizing hole cannot be completely sealed, and defective products are generated.
Disclosure of Invention
The utility model aims at providing a vacuum pumping structure of thermos cup, simple structure, it is reliable, production efficiency is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
The utility model provides an evacuation structure of thermos cup, includes shell and the inner bag that is in the same place at oral area welded connection, the clearance layer has between shell and the inner bag the bottom of shell is equipped with the evacuation hole, be equipped with a recess on the basal plane of shell, the evacuation hole sets up the bottom of recess the top of recess is equipped with fixes block on the basal plane, place the solder in the cavity that block and recess enclose, the gap has between block and the basal plane.
And a supporting part is arranged on the bottom surface of the groove, and the solder is placed on the supporting part.
The supporting part is at least 1 strip-shaped supporting rib.
The supporting part is at least 1 point-shaped supporting point.
The number of the supporting ribs is 1, and the supporting ribs are arranged on one side of the vacuumizing hole.
The number of the supporting ribs is 2, and the supporting ribs are symmetrically arranged on two sides of the vacuumizing hole.
The number of the supporting points is 1, and the supporting points are arranged on one side of the vacuumizing hole.
The number of the supporting points is 3 or 4, and the supporting points are uniformly and circumferentially arranged around the vacuumizing hole.
The top of the cap is provided with at least one vent hole.
Compared with the prior art, the beneficial effects of the utility model are that: by adopting the technical scheme, the structure is simple, the solder is arranged at the bottom of the shell in the gap layer, the cup does not need to be inverted during vacuumizing, the production efficiency is improved, and the solder is arranged in the cavity formed by the cover cap and the groove in a surrounding mode, so that the solder is prevented from falling or deviating and is prevented from being vacuumized. Compared with the prior art, the structure is more reliable, and the product quality is improved.
The further beneficial effects are that: the groove is provided with a point-shaped or strip-shaped supporting part, and the solder is placed on the supporting part, so that the gap between the solder and the bottom surface of the groove can be increased, and the vacuumizing and the exhausting are smoother; the vent hole that sets up on the block further makes the exhaust unobstructed, accelerates the exhaust when the evacuation simultaneously, and is efficient.
Drawings
Fig. 1 is a schematic sectional structure of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged view of a cross section of a portion a in fig. 1 in the other direction.
Fig. 4 is an enlarged view of a portion a in fig. 1 when the support portion is provided on the bottom surface of the groove.
Fig. 5 is a schematic view of the supporting portion on the bottom surface of the groove being a strip-shaped supporting rib.
Fig. 6 is a schematic view of a point-like support point of the support portion on the bottom surface of the groove.
Fig. 7 is an enlarged view of a portion a in fig. 1 when the cap is provided with the vent hole.
Fig. 8 is an enlarged view of portion a of fig. 1 after the evacuation and the solder has melted to close the evacuation port.
Detailed Description
In order to make the technical solution of the present invention clearer, the following describes the present invention in detail with reference to fig. 1 to 8. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
The utility model relates to a vacuum pumping structure of a vacuum cup, as shown in figures 1-3, comprising a shell 1 and an inner container 2 which are welded and connected together at the mouth part, a clearance layer is arranged between the shell 1 and the inner container 2, a vacuum pumping hole 3 is arranged at the bottom of the shell 1, and the clearance layer is pumped into a vacuum layer through the vacuum pumping hole 3 in a vacuum pumping device; as shown in fig. 2, a groove 11 is formed on a bottom plane 12 of the housing 1, the vacuum hole 3 is formed at the bottom of the groove 11, a cap 5 is arranged above the groove 11, and the cap 5 is fixed on the bottom plane 12 of the housing 1 by spot welding; as shown in fig. 3, a gap is formed between the cap 5 and the bottom plane 12, so as to facilitate the exhaust of the vacuum-pumping process; the cap 5 and the groove 11 enclose a cavity, solder 4 is placed in the cavity, the solder 4 can be prevented from being separated from the groove 11, and a small gap is formed between the solder 4 and the bottom surface of the groove 11.
As shown in FIG. 8, the cup is placed upright in the vacuum-pumping device, the air in the gap layer is exhausted outwards through the gap between the cap 5 and the bottom plane 12, the tiny gap between the solder 4 and the bottom surface of the groove 11 and the vacuum-pumping hole 3, after the vacuum-pumping is completed, the solder melts the closed vacuum-pumping hole 3, and the melted solder does not exceed the groove 11.
In order to make the air exhaust more smooth, in one embodiment, as shown in fig. 4, a support part 13 is provided on the bottom surface of the groove 11, the solder 4 is placed on the support part 13, and the gap between the solder 4 and the bottom surface of the groove 11 is increased; as shown in fig. 5, the supporting portions 13 may be strip-shaped supporting ribs, the number of the supporting ribs is at least 1, preferably 2 supporting ribs are symmetrically arranged, and the solder 4 can be separated from the bottom surface of the groove 11, so that the exhaust is smoother; as shown in fig. 6, the supporting portions 13 may be point-shaped supporting points, the number of the supporting points is at least 1, and preferably 3 or 4 supporting points are uniformly arranged in the circumferential direction, so that the solder 4 is separated from the bottom surface of the groove 11, and the exhaust is smoother.
As shown in fig. 7, at least one vent hole 51 is further provided on the top of the cap 5 to further facilitate smooth air discharge and speed up air discharge during vacuum pumping.
Claims (9)
1. The utility model provides an evacuation structure of thermos cup, includes shell (1) and inner bag (2) that are in the oral area welded connection together, have the clearance layer between shell (1) and inner bag (2) the bottom of shell (1) is equipped with evacuation hole (3), its characterized in that: the vacuum-pumping device is characterized in that a groove (11) is formed in a bottom plane (12) of the shell (1), the vacuum-pumping hole (3) is formed in the bottom of the groove (11), a cover cap (5) fixed to the bottom plane (12) is arranged above the groove (11), solder (4) is placed in a cavity defined by the cover cap (5) and the groove (11), and a gap is formed between the cover cap (5) and the bottom plane (12).
2. The vacuum structure of claim 1, wherein: and a supporting part (13) is arranged on the bottom surface of the groove (11), and the solder (4) is placed on the supporting part (13).
3. The vacuum structure of claim 2, wherein: the supporting part (13) is at least 1 strip-shaped supporting rib.
4. The vacuum structure of claim 2, wherein: the supporting part (13) is at least 1 point-shaped supporting point.
5. The vacuum structure of claim 3, wherein: the number of the support ribs is 1, and the support ribs are arranged on one side of the vacuumizing hole (3).
6. The vacuum structure of claim 3, wherein: the number of the supporting ribs is 2, and the supporting ribs are symmetrically arranged on two sides of the vacuumizing hole (3).
7. The vacuum structure of claim 4, wherein: the number of the supporting points is 1, and the supporting points are arranged on one side of the vacuumizing hole (3).
8. The vacuum structure of claim 4, wherein: the number of the supporting points is 3 or 4, and the supporting points are uniformly arranged around the vacuumizing hole (3) in the circumferential direction.
9. An evacuation structure of a vacuum cup according to any of claims 1 to 8, wherein: the top of the cap (5) is provided with at least one vent hole (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221163249.0U CN217161678U (en) | 2022-05-16 | 2022-05-16 | Vacuum pumping structure of vacuum cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221163249.0U CN217161678U (en) | 2022-05-16 | 2022-05-16 | Vacuum pumping structure of vacuum cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217161678U true CN217161678U (en) | 2022-08-12 |
Family
ID=82712823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221163249.0U Active CN217161678U (en) | 2022-05-16 | 2022-05-16 | Vacuum pumping structure of vacuum cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217161678U (en) |
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2022
- 2022-05-16 CN CN202221163249.0U patent/CN217161678U/en active Active
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