CN216454451U - Novel vacuum hole structure of heat-preservation titanium cup - Google Patents
Novel vacuum hole structure of heat-preservation titanium cup Download PDFInfo
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- CN216454451U CN216454451U CN202122165242.4U CN202122165242U CN216454451U CN 216454451 U CN216454451 U CN 216454451U CN 202122165242 U CN202122165242 U CN 202122165242U CN 216454451 U CN216454451 U CN 216454451U
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Abstract
The utility model discloses a novel titanium cup vacuum hole structure, and belongs to the technical field of vacuum cups. The structure is characterized in that a vacuum hole component is fixedly connected in a containing through hole formed in the center of the bottom of a shell, the vacuum hole component is a composite plate formed by connecting a titanium-containing metal plate layer and a stainless steel plate layer, the vacuum hole component is fixed on an outer tube bottom through welding after the titanium plate layer and the outer tube bottom of a titanium cup are flattened, and meanwhile, a sealing material containing groove is formed in the outer side of the vacuum hole component to contain a glass sealing material. In the structure, the welding area of the vacuum cavity component in contact with the accommodating through hole is made of titanium-containing metal materials, the air exhaust hole is formed in the stainless steel core, and the air exhaust hole can be directly plugged by using an ordinary glass sealing material after the vacuum layer is vacuumized by using good adhesion between the glass sealing material and the stainless steel materials, so that the purpose of vacuumizing is realized, and the problems that the cost of high-temperature vacuum of the existing titanium cup is too high and the vacuum cannot be realized at low temperature can be solved.
Description
Technical Field
The utility model relates to a novel vacuum hole structure of a heat-preservation titanium cup, and belongs to the technical field of heat-preservation cups.
Background
Along with the continuous development of social science and technology, people pay more and more attention to healthy life, and the use of thermos cup is more and more. Generally, the vacuum cup consists of an outer shell and an inner container, and a vacuum layer is arranged between the outer shell and the inner container and used for heat insulation and heat preservation, so that the vacuum cup needs to be vacuumized in the production and manufacturing process, and the vacuumizing is usually carried out through a vacuumizing hole arranged on the outer shell. When vacuumizing is carried out, the sealing material is required to be placed in the vacuumizing hole and then placed in a vacuum furnace for vacuumizing, the temperature for melting the glass sealing material is heated, and then the glass sealing material is cooled to solidify and block the vacuum hole, so that the vacuumizing of the heat preservation cup body is realized.
At present, the vacuum cavity structure of the conventional vacuum cup is only to punch a vacuum cavity on the outer bottom of the cup body, and then a sealing material is put into the vacuum cavity for plugging to realize the sealing of the vacuum cavity, and most of the sealing material uses a glass sealing material, as shown in the attached figure 1 of the specification. When the vacuum cup is a titanium cup, the inner container and the outer shell are both formed by titanium-containing metal (titanium metal or titanium alloy), although the titanium-containing metal has the characteristics of excellent corrosion resistance, antibacterial property, heat preservation property and the like which are very suitable for being used as the vacuum cup, due to the characteristics of the titanium-containing metal, an oxide film is usually formed on the metal surface, and the thermal deformation coefficient of titanium is high. Therefore, after the common glass sealing material is used for plugging and vacuumizing, the sealing material is easy to crack and fall off, so that the heat insulation cup body is not insulated, and the product reject ratio is very high.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a novel vacuum cavity structure of a heat-preservation titanium cup, which is simple in structure and can avoid the problems that the cup body is not heat-preserved and the product reject ratio is high.
The technical scheme of the utility model is as follows:
a novel vacuum cavity structure of a heat-preservation titanium cup comprises an inner container and an outer shell which are both formed by titanium-containing metal, wherein the outer shell is sleeved outside the inner container, a vacuum layer is formed between the outer shell and the inner container,
the bottom center of the shell is provided with an accommodating through hole, and a vacuum cavity component is fixedly connected in the accommodating through hole;
the vacuum cavity component is formed by compounding a titanium-containing metal plate layer close to one side of the vacuum layer and a stainless steel plate layer far away from one side of the vacuum layer, wherein the titanium-containing metal plate layer is fixedly connected to the inner peripheral side wall of the accommodating through hole in a welding mode; the vacuum cavity component is provided with an air exhaust hole communicated with the vacuum layer, and a glass seal material is sealed at one side of the stainless steel plate layer of the air exhaust hole.
The further technical scheme is as follows:
the periphery of the accommodating through hole faces the direction of the vacuum layer to form a welding edge, and the peripheral side wall of the titanium-containing metal plate layer of the vacuum cavity component is welded and fixed on the outer surface of the welding edge.
The further technical scheme is as follows:
the vacuum cavity component is fixedly connected to the stainless steel plate layer through special welding of a titanium-containing metal plate layer.
The further technical scheme is as follows:
the stainless steel plate layer is inwards concave on one side surface back to the vacuum layer to form a seal material accommodating groove, and the air exhaust hole is formed in the bottom of the seal material accommodating groove and penetrates through the titanium-containing metal plate layer.
The further technical scheme is as follows:
the seal material accommodating groove is of an inwards concave semi-arc surface structure, and the air exhaust hole is formed in the lowest point of the semi-arc surface structure.
The further technical scheme is as follows:
the glass sealing material is arranged on the stainless steel plate layer of the vacuum cavity component in the semi-arc surface structure of the sealing material accommodating groove in a plugging mode at the air exhaust hole.
The further technical scheme is as follows:
the bottom of the shell is integrally concave towards the vacuum layer to form a bottom platform, and the accommodating through hole is formed in the center of the bottom platform.
The further technical scheme is as follows:
the bottom of the inner container is provided with a concave arc surface facing the direction of the vacuum layer corresponding to the seal material accommodating groove.
The beneficial technical effects of the utility model are as follows:
1. in the utility model, the connection part of the vacuum cavity component with the air exhaust hole and the accommodating through hole is made of titanium-containing metal, and the vacuum cavity component and the accommodating through hole can be connected together in a welding mode, so that the welding firmness, the sealing property and the like are very excellent, and the situations of cracking, gaps and the like can be avoided;
2. according to the utility model, the seal material accommodating groove is formed in the stainless steel plate layer, and by utilizing good adhesion between the glass seal material and the stainless steel material, after the vacuum layer is vacuumized, the common glass seal material can be directly used for plugging the air exhaust hole, so that the problems that the existing titanium cup is too high in high-temperature vacuum cost and cannot be vacuumized at low temperature can be solved.
Drawings
FIG. 1 is a prior art arrangement of a bleed hole;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
wherein:
1. an inner container; 11. a concave arc surface;
2. a housing; 21. an accommodating through hole; 211. welding edges; 22. a bottom platform;
3. a vacuum layer;
4. a vacuum cavity member; 41. a titanium-containing metal slab layer; 42. a stainless steel plate layer; 421. an air exhaust hole; 422. seal material accommodating groove.
Detailed Description
In order to make the technical means of the present invention clearer and to make the technical means of the present invention capable of being implemented according to the content of the specification, the following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples, which are provided for illustrating the present invention and are not intended to limit the scope of the present invention.
The specific embodiment describes a novel vacuum cavity structure of a heat-preservation titanium cup in detail, and the specific structure is shown in the attached drawings 2 and 3 in the specification.
The novel vacuum cavity structure of the heat-preservation titanium cup described in the embodiment comprises an inner container 1 and an outer shell 2 which are both formed by titanium-containing metal, wherein the outer shell 2 is sleeved outside the inner container 1, a vacuum layer 3 is formed between the outer shell 2 and the inner container 1, and the titanium-containing metal can be titanium metal or titanium alloy. The bottom center of the housing 2 is provided with a receiving hole 21, and a vacuum cavity member 4 is fixedly connected in the receiving hole.
In the above structure, the bottom of the housing 2 is recessed toward the vacuum layer 3 to form a bottom platform 22, and the accommodating through hole 21 is opened at the center of the bottom platform 22. Specifically, the periphery of the receiving through hole 21 forms a welding edge 211 towards the vacuum layer 3, that is, after a bottom platform is formed on the bottom of the shell in the prior art, the welding edge is turned out on the surface of the bottom platform through a metal forming process, the welding edge forms a step-shaped structure, and the outer surface of the welding edge forms a welding area.
In the above structure, the vacuum cavity member 4 is formed by combining the titanium-containing metal plate layer 41 on the side close to the vacuum layer and the stainless steel plate layer 42 on the side far from the vacuum layer. Specifically, the titanium-containing sheet metal layer 41 is fixedly connected to the stainless steel layer 42 by special welding methods (including, but not limited to, explosion welding, brazing, friction welding, etc.), that is, the titanium-containing sheet metal layer and the stainless steel layer are stacked, so that the stainless steel layer is exposed to the outside of the cup body.
In the above structure, the connection and fixation manner of the vacuum cavity member 4 and the receiving through hole 21 is as follows: the titanium-containing metal plate layer 41 is fixedly connected to the inner peripheral side wall of the accommodating through hole 21 by welding. In this embodiment, the peripheral sidewall of the titanium-containing metal plate layer 41 in the vacuum cavity member 4 is fixedly welded to the outer surface of the welding edge 211 of the receiving through hole 21, so that the vacuum cavity member 4 is fixedly connected to the welding area and received in the receiving through hole 21.
In the above structure, the vacuum cavity member 4 is provided with an air exhaust hole 421 communicating with the vacuum layer 3. Specifically, a seal material accommodating groove 422 is formed in a side surface of the stainless steel plate layer 42 facing away from the vacuum layer 3 (i.e., an end surface of the stainless steel plate layer on which stainless steel is exposed) in an inward concave manner, and the suction hole 421 is opened at the bottom of the seal material accommodating groove 422 and penetrates through the titanium-containing metal plate layer 41; the seal material receiving groove 422 is a concave semi-arc structure, and the pumping hole 421 is opened at the lowest point of the semi-arc structure. The side of the exhaust hole 421 located on the stainless steel plate layer is sealed by a glass sealing material, specifically, the glass sealing material is sealed at the exhaust hole 421 located on the stainless steel plate layer of the vacuum cavity member 4 in the semi-arc surface structure of the sealing material accommodating groove 422, that is, the glass sealing material is completely only in contact with the stainless steel material during and after sealing.
In addition, a concave arc surface 11 is formed at the bottom of the inner container 1 corresponding to the seal material accommodating groove 422 and facing the vacuum layer 3.
When the shell 2 with the structure is formed, a step-shaped welding edge is formed on the surface of the tube bottom of the original shell through a metal forming process; then, after the titanium-containing metal plate layer and the stainless steel plate layer are tiled, a composite plate is formed through a special welding mode (including explosion welding, brazing, friction welding and the like but not limited to the welding mode), a prototype of a vacuum cavity component is formed, then a sealing material accommodating groove is machined on the bottom end face of the stainless steel plate layer of the vacuum cavity component, and an air suction hole capable of being communicated with the vacuum layer is formed in the sealing material accommodating groove to form the vacuum cavity component; and finally, welding the outer peripheral side wall of the titanium-containing metal plate layer of the vacuum cavity member to the welding area of the welding edge of the accommodating through hole in a welding mode, so that the vacuum cavity member is fixedly connected to the accommodating through hole.
This application is through forming the composite sheet with special welding mode (including explosion welding, brazing, friction welding etc. but not limiting this welding mode) fixed connection together with titanium-containing sheet metal layer and stainless steel layer, and with the shape of this composite sheet processing becomes real cavity component again, can realize the outer socle of titanium layer welding, stainless steel layer processing sealing material holding tank holding ordinary glass sealing material. In the structure, the connection part of the vacuum cavity component with the air exhaust hole and the accommodating through hole is made of titanium-containing metal, and the vacuum cavity component and the accommodating through hole are fixedly connected together in a welding mode, so that the welding firmness, the sealing performance and the like are very excellent, and the situations of cracking, gaps and the like can be avoided; meanwhile, the air exhaust hole is formed in the stainless steel metal layer, and the air exhaust hole can be directly plugged by using a common glass sealing material after the vacuum layer is vacuumized by utilizing the good adhesiveness between the glass sealing material and the stainless steel material, so that the problems that the existing titanium cup is too high in high-temperature vacuum cost and cannot be vacuumized at low temperature can be solved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel heat preservation titanium cup vacuum cave structure, includes by titanium metal fashioned inner bag (1) and shell (2), shell (2) cover is located outside inner bag (1), and form vacuum layer (3), its characterized in that between shell (2) and inner bag (1):
a containing through hole (21) is formed in the center of the bottom of the shell (2), and a vacuum cavity component (4) is fixedly connected in the containing through hole;
the vacuum cavity component (4) is formed by compounding a titanium-containing metal plate layer (41) close to one side of the vacuum layer and a stainless steel plate layer (42) far away from one side of the vacuum layer, wherein the titanium-containing metal plate layer is fixedly connected to the inner peripheral side wall of the accommodating through hole (21) in a welding mode; the vacuum cavity component is provided with an air exhaust hole (421) communicated with the vacuum layer (3), and a glass seal material is sealed at one side of the stainless steel plate layer of the air exhaust hole.
2. The novel vacuum cavity structure of the heat-preservation titanium cup as claimed in claim 1, wherein: the periphery of the accommodating through hole (21) is provided with a welding edge (211) towards the vacuum layer (3), and the peripheral side wall of the titanium-containing metal plate layer of the vacuum cavity component (4) is welded and fixed on the outer surface of the welding edge (211).
3. The novel vacuum cavity structure of the heat-preservation titanium cup as claimed in claim 1, wherein: the vacuum cavity component (4) is fixedly connected to the stainless steel plate layer (42) in a flatwise welding mode through a titanium-containing metal plate layer (41).
4. The novel vacuum cavity structure of the heat-preservation titanium cup as claimed in claim 3, wherein: a sealing material accommodating groove (422) is formed in a side face, back to the vacuum layer (3), of the stainless steel plate layer (42) in an inwards concave mode, and the air suction hole (421) is formed in the bottom of the sealing material accommodating groove (422) and penetrates through the titanium-containing metal plate layer (41).
5. The novel vacuum cavity structure of the heat-preservation titanium cup as claimed in claim 4, wherein: the seal material accommodating groove (422) is of a concave semi-arc surface structure, and the air exhaust hole (421) is formed in the lowest point of the semi-arc surface structure.
6. The novel vacuum cavity structure of the heat-preservation titanium cup as claimed in claim 4, wherein: the glass sealing material is arranged on the stainless steel plate layer of the vacuum cavity component (4) in the semi-arc surface structure of the sealing material accommodating groove (422) and is blocked at the air exhaust hole.
7. The novel vacuum cavity structure of the heat-preservation titanium cup as claimed in claim 1, wherein: the bottom of the shell (2) is integrally concave towards the vacuum layer (3) to form a bottom platform (22), and the accommodating through hole (21) is formed in the center of the bottom platform (22).
8. The novel vacuum cavity structure of the heat-preservation titanium cup as claimed in claim 4, wherein: the bottom of the inner container (1) is provided with a concave cambered surface (11) towards the direction of the vacuum layer (3) corresponding to the seal material accommodating groove (422).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122165242.4U CN216454451U (en) | 2021-09-08 | 2021-09-08 | Novel vacuum hole structure of heat-preservation titanium cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122165242.4U CN216454451U (en) | 2021-09-08 | 2021-09-08 | Novel vacuum hole structure of heat-preservation titanium cup |
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| CN216454451U true CN216454451U (en) | 2022-05-10 |
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| CN202122165242.4U Active CN216454451U (en) | 2021-09-08 | 2021-09-08 | Novel vacuum hole structure of heat-preservation titanium cup |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109044127A (en) * | 2018-07-17 | 2018-12-21 | 刘允龙 | Calabash shape vacuum heat-insulating container and processing method |
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- 2021-09-08 CN CN202122165242.4U patent/CN216454451U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109044127A (en) * | 2018-07-17 | 2018-12-21 | 刘允龙 | Calabash shape vacuum heat-insulating container and processing method |
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