CN212368553U - Double-layer vacuum bottle - Google Patents
Double-layer vacuum bottle Download PDFInfo
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- CN212368553U CN212368553U CN201922486734.6U CN201922486734U CN212368553U CN 212368553 U CN212368553 U CN 212368553U CN 201922486734 U CN201922486734 U CN 201922486734U CN 212368553 U CN212368553 U CN 212368553U
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- inner cylinder
- double
- piston body
- vacuum bottle
- hand pump
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Abstract
The utility model discloses a double-layer vacuum bottle, which comprises an inner cylinder, wherein a first end of the inner cylinder is provided with a connecting part, and a second end of the inner cylinder is provided with a gas passage; the outer cylinder is sleeved outside the inner cylinder through the opening, and the connecting part is exposed outwards from the opening; the piston body is positioned in the inner cylinder and moves along the axial direction of the inner cylinder, and the periphery of the piston body forms contact seal with the inner cylinder; the hand pump is connected to the connecting part; the piston body, the connecting part and the hand pump form a closed accommodating cavity, and an inlet of the hand pump is communicated with the accommodating cavity.
Description
Technical Field
The utility model belongs to the technical field of bottled, specifically speaking relates to a double-deck vacuum bottle.
Background
The cosmetic bottle means a container capable of isolating gas from the outside temperature or isolating external bacteria. However, the existing cosmetic bottle has a simple structure, is mostly of a single-layer structure, is poor in heat insulation performance, is easy to deteriorate, cannot ensure the product quality, and cannot meet the use requirement because the single-layer structure is easy to break or crack.
In addition, the existing double-layer vacuum bottle has an unreasonable assembly structure, so that the assembled outer cylinder and inner cylinder are easy to move relatively, and the connection strength is insufficient.
Disclosure of Invention
The utility model aims at providing a double-deck vacuum flask, its problem that exists in the intention is being solved background art.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
a double-layered vacuum bottle comprises
The first end of the inner cylinder is provided with a connecting part, and the second end of the inner cylinder is provided with a gas passage;
the outer cylinder is sleeved outside the inner cylinder through the opening, and the connecting part is exposed outwards from the opening;
the piston body is positioned in the inner cylinder and moves along the axial direction of the inner cylinder, and the periphery of the piston body forms contact seal with the inner cylinder;
the hand pump is connected to the connecting part;
the piston body, the connecting part and the hand pump form a closed accommodating cavity, and an inlet of the hand pump is communicated with the accommodating cavity.
On the basis of the above scheme and as a preferable scheme of the scheme: the bottom cover is clamped with the second end of the inner barrel and the second end of the outer barrel simultaneously.
On the basis of the above scheme and as a preferable scheme of the scheme: the bottom respectively to the urceolus second end with the inner tube second end extends has first spacing portion and the spacing portion of second, just first draw-in groove and second draw-in groove have been seted up respectively in the spacing portion of first spacing portion and second, urceolus second end with the inner tube second end is equipped with respectively with first joint portion and second joint portion that first draw-in groove and second draw-in groove correspond, first joint portion and second joint portion can imbed simultaneously in first draw-in groove and the second draw-in groove.
On the basis of the above scheme and as a preferable scheme of the scheme: the bottom cover is provided with a third limiting part on the inner side of the second limiting part, a cavity is enclosed between the first limiting part and the second limiting part and between the second limiting part and the third limiting part respectively, the first clamping part and the second clamping part are accommodated in the two cavities respectively, and the width of the two cavities is not more than the maximum thickness of the first clamping part and the second clamping part corresponding to the two cavities.
On the basis of the above scheme and as a preferable scheme of the scheme: the first clamping portion and the surface of the opposite side of the first limiting portion are respectively provided with a saw-toothed protrusion, and the first clamping portion is meshed with the saw-toothed protrusions of the first limiting portion.
On the basis of the above scheme and as a preferable scheme of the scheme: the piston body comprises a piston body, a first sealing lip and a second sealing lip are arranged on the peripheral surface of the piston body, and the first sealing lip and the second sealing lip are in contact with the inner wall of the inner cylinder.
On the basis of the above scheme and as a preferable scheme of the scheme: the middle part of the piston body is recessed to form a collecting cavity, and the collecting cavity is positioned right below an inlet of the hand pump.
On the basis of the above scheme and as a preferable scheme of the scheme: the outer hand pump is characterized in that an annular groove is formed in the edge of an opening at the first end of the outer barrel, a decorative cover is sleeved outside the hand pump, an annular positioning bulge extends on the outer peripheral surface of the decorative cover, and the annular positioning bulge can be embedded into the annular groove.
On the basis of the above scheme and as a preferable scheme of the scheme: and a decorative cover is fixedly arranged outside the bottom cover.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
1. the double layers can achieve a good heat insulation effect, maintain the quality of cosmetics, prevent oxidation and effectively maintain the efficacy and activity of the cosmetics, so that the storage time is prolonged.
2. The arrangement of the piston body can enable cosmetics in the bottle to be used more thoroughly, and waste is avoided.
3. The clamping structure is more beneficial to assembly and positioning, and is reliable in connection and higher in strength after assembly.
4. The arrangement of the saw-toothed bulges ensures that the outer cylinder and the bottom cover cannot rotate relatively.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a partially enlarged view.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step, based on the given embodiments, fall within the scope of protection of the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
A double-layered vacuum bottle comprises
An inner cylinder 1 having a first end 11 with a connection part and a second end 12 with a gas passage; in this embodiment, the second end 12 of the inner barrel is preferably open and the bottom is completely through.
An outer cylinder 2, having an opening at a first end 21 and an opening at a second end 22, wherein the outer cylinder 2 is sleeved outside the inner cylinder 1 through the opening 22, and the connecting portion is exposed from the opening; and a hollow cavity is arranged between the inner cylinder and the outer cylinder.
The piston body 3 is positioned in the inner cylinder 1 and moves along the axial direction of the inner cylinder 1, and the periphery of the piston body 3 forms contact seal with the inner cylinder 1; specifically, the piston body 3 comprises a piston body 31, a first sealing lip 32 and a second sealing lip 33 are arranged on the outer peripheral surface of the piston body 31, and the first sealing lip 32 and the second sealing lip 33 are in contact with the inner wall of the inner cylinder 1, so that the sealing body can form a seal with the inner wall of the inner cylinder.
The hand pump 4 is connected to the connecting part; in the present embodiment, the hand pump 4 is preferably connected to the connecting portion by a screw thread, so that the first end 11 of the inner cylinder can be closed by the hand pump, and thus the piston body 3, the connecting portion and the hand pump 4 form a closed accommodating cavity 13, the inlet 41 of the hand pump is communicated with the accommodating cavity 13, and the accommodating cavity 13 is filled with the cosmetic (lotion) during the actual use. In the using process, the hand pump 4 can be pressed to draw the cosmetics in the containing cavity out of the inner barrel, the pressure in the containing cavity is reduced to form a vacuum area, the atmospheric pressure can enable the piston body 3 to move upwards for a certain distance to know that the pressure of the containing cavity is balanced with the atmospheric pressure, the piston body can further move upwards along with the reduction of the volume of the cosmetics in the containing cavity, so that the piston body can be contacted with an inlet of the hand pump, but the inlet of the hand pump has a certain length, so that the cosmetics with a certain length in the containing cavity cannot be completely used, for the reason, in the embodiment, the middle of the piston body 31 is preferably concave downwards to form a collecting cavity 311, the collecting cavity 311 is located right below the inlet 41 of the hand pump 4, the collecting cavity 311 is used for well collecting and collecting the cosmetics (emulsion) remained in the containing cavity 13, and the size of the collecting cavity 311 is larger than the size of the outer contour of the inlet, therefore, the piston body can be lifted to a high height, and the hand pump inlet 41 can extend into the collecting cavity 311, so that cosmetics in the accommodating cavity are used up as much as possible, waste is avoided, the volume of the piston body is fully utilized by the design of the accommodating cavity, and the reduction of the size of the outer contour of the cosmetics is facilitated on the premise of not changing the volume of the accommodating cavity.
In order to ensure that the outer cylinder 2 and the inner cylinder 1 can be assembled more stably and can be connected conveniently and reliably, the present embodiment further comprises a bottom cover 5, and the bottom cover 5 is clamped with the inner cylinder second end 12 and the outer cylinder second end 22 at the same time. Specifically, the bottom cover 5 is provided with a first limiting portion 51 and a second limiting portion 52 extending towards the outer cylinder second end 22 and the inner cylinder second end 12, the first limiting portion 51 and the second limiting portion 52 are provided with a first clamping groove 511 and a second clamping groove 521 respectively, the outer cylinder second end 22 and the inner cylinder second end 12 are provided with a first clamping portion 221 and a second clamping portion 121 corresponding to the first clamping groove 221 and the second clamping groove 221 respectively, the first clamping portion 221 and the second clamping portion 121 are provided with protrusions respectively, and the protrusions of the first clamping portion 221 and the second clamping portion 121 are embedded into the first clamping groove 511 and the second clamping groove 521 respectively, so that the outer cylinder and the inner cylinder are connected with the bottom cover, and the relative positions of the inner cylinder and the outer cylinder are fixed.
Further preferably, in order to improve the strength after assembly and enhance the reliability of connection of the inner cylinder, the outer cylinder and the rear cover, a third limiting portion 53 is further provided on the inner side of the second limiting portion 52 on the bottom cover 5, a cavity is respectively enclosed between the first limiting portion 51 and the second limiting portion 52 and between the second limiting portion 52 and the third limiting portion 53, the first clamping portion 221 and the second clamping portion 121 are respectively received in the two cavities, and the widths of the two cavities are not greater than the maximum thicknesses (the maximum thickness of the highest point of the protrusion) of the first clamping portion 221 and the second clamping portion 121 corresponding to the two cavities, so that when the first clamping portion 221 and the second clamping portion 121 are clamped into the cavity, the first limiting portion 51, the second limiting portion 52 and the third limiting portion 53 can generate elastic deformation, so that the first clamping portion 221 and the second clamping portion 121 are clamped into the cavity, however, this can be achieved by a large pressure, so that the first clamping portion 221 and the second clamping portion 121 can be inserted into the cavity and the protrusion is clamped into the first clamping groove and the second clamping groove, so that if the first limiting portion 51 and the second limiting portion 52 are required to be separated from the cavity, a large force is required to separate the first limiting portion and the second limiting portion, and the connection strength and reliability are greatly increased.
In addition, in order to prevent the relative rotation of the outer cylinder and the bottom cover after being connected, in the present embodiment, it is preferable that the first clamping portion 221 and the first limiting portion 51 are respectively provided with saw-toothed protrusions 222&54 on opposite side surfaces thereof, and the first clamping portion 221 and the saw-toothed protrusions of the first limiting portion 51 are engaged with each other after being assembled, so that the relative rotation of the outer cylinder and the bottom cover after being connected can be well prevented.
Further preferably, the opening edge of the first end 21 of the outer cylinder is provided with an annular groove 211, the exterior of the hand pump 4 is sleeved with a decorative cover 42, the peripheral surface of the decorative cover 42 extends to form an annular positioning protrusion 421, the annular positioning protrusion 421 can be embedded into the annular groove 211, on one hand, the stability of the hand pump 4 is improved, the first end of the inner cylinder and the second end of the outer cylinder can be well positioned, on the other hand, the integrity of the cosmetic bottle is improved, and preferably, the surface of the decorative cover 42 is subjected to chrome plating treatment.
In order to improve the beauty and texture of the cosmetic bottle, the exterior of the bottom cover 5 of the present embodiment is fixedly provided with a decoration cover 6, the decoration cover 6 is processed by chrome plating, and the bottom cover 5 is provided with a vent hole 55 which is communicated with the air passage of the second end 12 of the inner cylinder, so that the external air can smoothly enter the lower part of the piston body, and the piston body can flexibly move upwards to compensate when the cosmetics in the accommodating cavity are pumped out by the hand pump.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (9)
1. A double-layer vacuum bottle is characterized in that: comprises that
The first end of the inner cylinder is provided with a connecting part, and the second end of the inner cylinder is provided with a gas passage;
the outer cylinder is sleeved outside the inner cylinder through the opening, and the connecting part is exposed outwards from the opening;
the piston body is positioned in the inner cylinder and moves along the axial direction of the inner cylinder, and the periphery of the piston body forms contact seal with the inner cylinder;
the hand pump is connected to the connecting part;
the piston body, the connecting part and the hand pump form a closed accommodating cavity, and an inlet of the hand pump is communicated with the accommodating cavity.
2. The double-deck vacuum bottle as set forth in claim 1, wherein: the bottom cover is clamped with the second end of the inner barrel and the second end of the outer barrel simultaneously.
3. The double-deck vacuum bottle as set forth in claim 2, wherein: the bottom respectively to the urceolus second end with the inner tube second end extends has first spacing portion and the spacing portion of second, just first draw-in groove and second draw-in groove have been seted up respectively in the spacing portion of first spacing portion and second, urceolus second end with the inner tube second end is equipped with respectively with first joint portion and second joint portion that first draw-in groove and second draw-in groove correspond, first joint portion and second joint portion can imbed simultaneously in first draw-in groove and the second draw-in groove.
4. A double-deck vacuum bottle as claimed in claim 3, wherein: the bottom cover is provided with a third limiting part on the inner side of the second limiting part, a cavity is enclosed between the first limiting part and the second limiting part and between the second limiting part and the third limiting part respectively, the first clamping part and the second clamping part are accommodated in the two cavities respectively, and the width of the two cavities is not more than the maximum thickness of the first clamping part and the second clamping part corresponding to the two cavities.
5. The double-layered vacuum bottle according to claim 4, wherein: the first clamping portion and the surface of the opposite side of the first limiting portion are respectively provided with a saw-toothed protrusion, and the first clamping portion is meshed with the saw-toothed protrusions of the first limiting portion.
6. The double-deck vacuum bottle as set forth in claim 1, wherein: the piston body comprises a piston body, a first sealing lip and a second sealing lip are arranged on the peripheral surface of the piston body, and the first sealing lip and the second sealing lip are in contact with the inner wall of the inner cylinder.
7. The double-deck vacuum bottle as set forth in claim 1, wherein: the middle part of the piston body is recessed to form a collecting cavity, and the collecting cavity is positioned right below an inlet of the hand pump.
8. The double-deck vacuum bottle as set forth in claim 1, wherein: the outer hand pump is characterized in that an annular groove is formed in the edge of an opening at the first end of the outer barrel, a decorative cover is sleeved outside the hand pump, an annular positioning bulge extends on the outer peripheral surface of the decorative cover, and the annular positioning bulge can be embedded into the annular groove.
9. The double-deck vacuum bottle as set forth in claim 2, wherein: and a decorative cover is fixedly arranged outside the bottom cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922486734.6U CN212368553U (en) | 2019-12-30 | 2019-12-30 | Double-layer vacuum bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922486734.6U CN212368553U (en) | 2019-12-30 | 2019-12-30 | Double-layer vacuum bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212368553U true CN212368553U (en) | 2021-01-19 |
Family
ID=74157699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922486734.6U Active CN212368553U (en) | 2019-12-30 | 2019-12-30 | Double-layer vacuum bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212368553U (en) |
-
2019
- 2019-12-30 CN CN201922486734.6U patent/CN212368553U/en active Active
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