CN209499379U - A kind of vacuum cup - Google Patents
A kind of vacuum cup Download PDFInfo
- Publication number
- CN209499379U CN209499379U CN201822275533.7U CN201822275533U CN209499379U CN 209499379 U CN209499379 U CN 209499379U CN 201822275533 U CN201822275533 U CN 201822275533U CN 209499379 U CN209499379 U CN 209499379U
- Authority
- CN
- China
- Prior art keywords
- section
- closing
- inner tube
- outer tube
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Thermally Insulated Containers For Foods (AREA)
Abstract
The utility model relates to a kind of vacuum cups comprising inner tube and the outer tube being sheathed on the outside of inner tube are equipped with the seal chamber of vacuum between outer tube and inner tube；The top of inner tube is peripherally and outwardly equipped with crimping along it, and crimping includes the bending segment set gradually from inside to outside and extended segment；The top of outer tube is equipped with closing in section, the top for the section that closes up and the hanging of bending segment and is welded and fixed, and the outer wall of extended segment is adjacent to the inner wall of closing in section；The bottom end of outer tube and the bottom end of inner tube are welded and fixed.The vacuum cup can reduce the packaging technology requirement at the top of inner and outer tubes while improving the comfort of rim of a cup and reducing failure welding rate.
Description
Technical field
The utility model relates to insulation cup technology fields, and in particular to a kind of vacuum cup.
Background technique
Vacuum cup includes inner and outer tubes, the seal chamber of vacuum is formed between inner and outer tubes, at present metal thermos cups row
The top packaging technology of the inner and outer tubes of industry is divided into two classes: it is a kind of to be connected for the top of inner tube and the top vertical position welding of outer tube, separately
One is the welderings of the top scrap (bridge) of the top of inner tube and outer tube to connect.
Specifically, as shown in Figure 1, when the top of inner tube 011 is connected with the top vertical position welding of outer tube 012, by jig will in
The top of pipe 011 and the top of outer tube 012 are welded after flattening, and such connection type easily blocks water inner tube portion's step be collapsed
Perhaps go out to scrap when oral area presses out-of-flatness and causes to weld again or bad, and rim of a cup seems sharp, the comfort used is not
It is good.
As shown in Fig. 2, the top of inner tube 021 and the top scrap (bridge) of outer tube 022 weld connection, the top of inner tube 021 is radially
To scrap (bridge) 023 is externally provided with, so that rim of a cup makes in wide opening shape, comfort is improved and failure welding rate is low, but the welding pair of top scrap (bridge)
The required precision of mold and board is high, manages to size in production process more stringent.
Therefore, it how while improving the comfort of rim of a cup and reducing failure welding rate, reduces at the top of inner and outer tubes
Packaging technology requirement, be those skilled in the art's technical issues that need to address.
Utility model content
The purpose of the utility model is to provide a kind of vacuum cups, can improve the comfort of rim of a cup and reduce failure welding rate
While, reduce the packaging technology requirement at the top of inner and outer tubes.
In order to solve the above technical problems, the utility model provides a kind of vacuum cup comprising inner tube and be sheathed on it is described in
Outer tube on the outside of pipe is equipped with the seal chamber of vacuum between the outer tube and said inner tube；The top of said inner tube along its circumferential direction to
It is externally provided with crimping, the crimping includes the bending segment set gradually from inside to outside and extended segment；The top of the outer tube, which is equipped with, receives
Mouthful section, the top of the closing in section and the hanging of the bending segment are simultaneously welded and fixed, and the outer wall of the extended segment is adjacent to
The inner wall of the closing in section；The bottom end of the outer tube and the bottom end of said inner tube are welded and fixed.
The top of inner tube is equipped with crimping, that is to say, that the rim of a cup of the vacuum cup is in wide opening shape, and comfort is good, is being socketed
When be easy to cause the portion's step that blocks water of inner tube the smooth alignment in the top on the top of bending segment and closing in section by jig
It influences, and the extended segment can play the guiding role to the socket of outer tube when assembling outer tube with inner tube, be convenient for packaging technology
Progress.In addition, outer tube extended segment can be pressed to during socket the inner wall of inner tube until outer tube top and bending segment
Hanging, the outer wall of extended segment can be adjacent to the outer wall of closing in section, and before being welded and fixed, relative position between the two is stablized,
Convenient for going on smoothly for welding.Therefore, the setting of the extended segment can reduce the processing request at internal tube top end, and reduce mold at
This.
Further, even during being from top to bottom socketed outer tube, make due to operation error etc. is other
The top for obtaining closing in section is lower than the top of bending segment, can directly move up outer tube and make uniform again, it is not necessary that outer tube is direct
It removes and is socketed again, can effectively reduce the packaging efficiency that socket technique required, improved inner and outer tubes.
Optionally, the closing in section and the extended segment are interference fit.
Optionally, the magnitude of interference between the closing in section and the extended segment is 0.1mm~0.4mm.
Optionally, the outer wall of the extended segment is in the first tapered surface of flaring from top to bottom.
Optionally, the inner wall of the closing in section is equipped with the second tapered surface of flaring from top to bottom, second tapered surface
Taper is less than the taper of first tapered surface.
Optionally, the length of the extended segment is 1.5mm~2.5mm.
Optionally, the top of the closing in section and the top of the bending segment are fixed by laser welding.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the top of vacuum cup inner tube is connected with the top of outer tube by vertical position welding in the prior art；
Fig. 2 is that the top of vacuum cup inner tube and the top of outer tube pass through scrap (bridge) welded structure schematic diagram in the prior art；
Fig. 3 is that the welding structure on the top on the top and outer tube of vacuum cup inner tube provided by the utility model embodiment is shown
It is intended to；
Fig. 4 is the enlarged drawing of A in Fig. 3.
In attached drawing 1-2, the reference numerals are as follows:
011- inner tube, 012- outer tube；
021- inner tube, 022- outer tube, 023- scrap (bridge)；
In attached drawing 3-4, the reference numerals are as follows:
1- inner tube, 11- bending segment, the extended segment 12-；
2- outer tube, 21- closing in section；
3- seal chamber.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing and have
The utility model is described in further detail for body embodiment.
Fig. 3-4 is please referred to, Fig. 3 is the top on the top of vacuum cup inner tube and outer tube provided by the utility model embodiment
Welding structure schematic diagram；Fig. 4 is the enlarged drawing of A in Fig. 3.
The utility model embodiment provides a kind of vacuum cup, as shown in figure 3, the vacuum cup includes inner tube 1 and outer tube 2,
Wherein, outer tube 2 is sheathed on the outside of inner tube 1, and the seal chamber 3 of vacuum is equipped between inner tube 1 and outer tube 2, specifically, such as Fig. 4
Shown, the top of inner tube 1 is peripherally and outwardly equipped with crimping along it, which includes the bending segment 11 set gradually from inside to outside and prolong
Section 12 is stretched, correspondingly, the top of outer tube 2 is equipped with closing in section 21, the hanging of the top of the closing in section 21 and bending segment 11 is simultaneously
By being welded and fixed, and in the state of being welded and fixed, the outer wall of extended segment 12 can be adjacent to the inner wall of closing in section 21, outer tube 2
Bottom end and the bottom end of inner tube 1 be welded and fixed.
It is welded and fixed that is, the top and bottom end of outer tube 2 pass through respectively so that being formed between outer tube 2 and inner tube 1 close
Chamber 3 is sealed, the seal chamber 3 is made to have the function of heat-insulation and heat-preservation after vacuumizing.
The top of inner tube 1 in the present embodiment is equipped with crimping, that is to say, that the rim of a cup of the vacuum cup is in wide opening shape, is relaxed
Adaptive is good, is easy to through jig in socket by the smooth alignment in the top on the top of bending segment 11 and closing in section 21, will not be internal
The portion's step that blocks water of pipe 1 impacts, and the extended segment 12 being capable of socket when assembling outer tube 2 and inner tube 1 to outer tube 2
It play the guiding role, convenient for the progress of packaging technology.In addition, extended segment 12 is pressed to the inner wall of inner tube 1 by outer tube 2 during socket
Until the top of outer tube 2 and the hanging of bending segment 11, the outer wall of extended segment 12 can be adjacent to the outer wall of closing in section 21, weld
Before fixation, relative position between the two is stablized, convenient for going on smoothly for welding.Therefore, the setting of the extended segment 12 can reduce
To the processing request on 1 top of inner tube, and reduce die cost.
Further, even during being from top to bottom socketed outer tube 2, make due to operation error etc. is other
The top for obtaining closing in section 21 is lower than the top of bending segment 11, can directly move up outer tube 2 and make uniform again, be not necessarily to outer tube
2 directly remove and are socketed again, can effectively reduce the packaging efficiency that socket technique required, improved inner tube 1 and outer tube 2.
In the above-described embodiments, closing in section 21 and extended segment 12 are interference fit, are sealed therebetween, to weld smoothly
It carries out, and can guarantee the leakproofness at the top of vacuum-sealed cavity 3.Certainly, in the present embodiment, between closing in section 21 and extended segment 12
Sealing can also be realized by adding other components such as sealing strip, then top is welded and fixed, and by closing in section 21 and prolongs
It stretches and is set as being interference fitted between section 12, overall structure can be simplified and simplify assembly technology.
For interference fit so that after inner tube 1 and the assembling of outer tube 2, extended segment 12 has the tendency that extending radially outwardly along inner tube 1,
The outer wall of extended segment 12 is enabled to be adjacent to the inner wall of the closing in section 21 of outer tube 2, so that position between the two can be steadily
It is fixed, convenient for the progress of welding.
At this point, during socket, if the top of closing in section 21 is lower than the top of bending segment 11, in the short time, by outer tube 2
It moves up and makes the top of outer tube 2 and the hanging of inner tube 1 again, because in a short time, outer tube 2 is by extended segment
12 are only deformed the extended segment 12 to the extruding of the tube wall of inner tube 1, when outer tube 2 is moved up and made uniform again, are extended
12 outwardly extending trend of section do not change.Therefore, such scheme can reduce bad by operation error bring product
Rate.
In the above-described embodiments, the magnitude of interference between closing in section 21 and extended segment 12 is 0.1mm~0.4mm, certainly, to this
The specific size of magnitude of interference does not do specific requirement, can also such as be set to 0.1mm or less or 0.4mm or more, and
Sealing effect can be guaranteed while reducing the assembling difficulty of outer tube 2 by setting 0.1mm~0.4mm for magnitude of interference.
In the above-described embodiments, the outer wall of extended segment 12 is in the first tapered surface of from top to bottom flaring, i.e. extended segment 12
Top end diameter is less than bottom diameter.The closing in section 21 of outer tube 2 is during socket gradually by the inward-facing pipe of the first taper of inner tube 1
1 outer wall compresses, to form interference fit between the two.When outer tube 2 and inner tube 1 assemble, the setting of first tapered surface
It can play the role of guiding.
In the above-described embodiments, the inner wall of closing in section 21 is equipped with the second tapered surface of flaring from top to bottom, i.e. the closing in section
21 top inner wall also is provided with the cone structure that one section of top end diameter is less than bottom diameter, while the taper of the second tapered surface is less than
The taper of first tapered surface, to guarantee that closing in section 21 can squeeze radially inward extended segment 12 after assembling, so that closing up
Interference fit is formed between section 21 and extended segment 12.
Certainly, in the present embodiment, closing in section 21 can also be set to straight structure, i.e. inner wall without tapered surface structure,
And the setting of the second tapered surface can play guiding role, and second tapered surface is adapted with the first tapered surface, to reduce group
Difficulty is filled, convenient for realizing alignment, simplified assembling process in assembling.
In the above-described embodiments, the length of extended segment 12 is that 1.5mm~2.5mm increases if the length of extended segment 12 is excessive
Add the difficulty of flanging process, if the length of extended segment 12 is too small, may cause welded with scrap (bridge) it is close, when welding to grinding tool and
The required precision of board is high.The difficulty of flanging process and right can be balanced when setting 1.5mm~2.5mm for the length of extended segment 12
The required precision of grinding tool and board.
In the present embodiment, the height of the second tapered surface of closing in section 21 is not less than the height of the first tapered surface, specifically, the
The whole section of inner wall that two tapered surfaces can be closing in section 21 is the second tapered surface, is also possible to down-set by 21 top of closing in section
One section, be not particularly limited herein.
In addition, the present embodiment additionally provides a kind of inner tube 1 based on above-mentioned vacuum cup and the packaging technology between outer tube 2,
The packaging technology specifically comprises the following steps:
S1: circumferentially carrying out flanging process for the top of inner tube 1 outward, and to form crimping, the crimping includes bending segment
11 and extended segment 12；
Outer tube 2: being socketed on the outside of inner tube 1 by S2, so that the top on the top of the closing in section 21 of outer tube 2 and bending segment 11
Alignment；
S3: then the bottom end of outer tube 2 and the bottom of inner tube 1 are welded in the top of welding closing in section 21 and the top of bending segment 11
End is to form seal chamber 3；
S4: the seal chamber 3 in step S3 is vacuumized.
Further, further include step S11 between above-mentioned steps S1 and S2: wheel mouth technique being carried out to crimping, makes to extend
Section 12 is coaxial with inner tube 1.
That is, carrying out wheel mouth work after the top of inner tube 1 is circumferentially carried out flanging process outward, then to the crimping
Situations such as skill avoids after the completion of flanging process, and the outer wall out-of-flatness of extended segment 12 or the circumferential direction of extended segment 12 are in oval structure,
It takes turns mouth technique and guarantees that extended segment 12 and inner tube 1 are coaxial, and then guarantee that packaging technology can go on smoothly and guarantee assembling effect.
In the above-described embodiments, the top of closing in section 21 and the top of bending segment 11 are fixed by laser welding.Laser Welding
Connecing is top fusion weld by the top of closing in section 21 and bending segment 11, compared to it is other in such a way that solder welds come
It says, is not necessarily to other wldings, in use due to the vacuum cup, rim of a cup is directly contacted with population, therefore, directly passes through laser
Fusion weld, which can guarantee, will not introduce other welding mediums, guarantee using safe.
Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications
Also it should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of vacuum cup, including inner tube (1) and the outer tube (2) being sheathed on the outside of said inner tube (1), the outer tube (2) and institute
State the seal chamber (3) that vacuum is equipped between inner tube (1)；It is characterized in that,
The top of said inner tube (1) is peripherally and outwardly equipped with crimping along it, and the crimping includes the bending set gradually from inside to outside
Section (11) and extended segment (12)；
The top of the outer tube (2) is equipped with closing in section (21), the top of the closing in section (21) and the top of the bending segment (11)
End is aligned and is welded and fixed, and the outer wall of the extended segment (12) is adjacent to the inner wall of the closing in section (21)；
The bottom end of the outer tube (2) and the bottom end of said inner tube (1) are welded and fixed.
2. vacuum cup according to claim 1, which is characterized in that the closing in section (21) and the extended segment (12) were
It is full of cooperation.
3. vacuum cup according to claim 2, which is characterized in that between the closing in section (21) and the extended segment (12)
Magnitude of interference be 0.1mm~0.4mm.
4. vacuum cup according to claim 2 or 3, which is characterized in that the outer wall of the extended segment (12) is in from top to bottom
First tapered surface of flaring.
5. vacuum cup according to claim 4, which is characterized in that the inner wall of the closing in section (21) is equipped with from top to bottom gradually
The second tapered surface expanded, the taper of second tapered surface are less than the taper of first tapered surface.
6. vacuum cup according to claim 1-3, which is characterized in that the length of the extended segment (12) is
1.5mm~2.5mm.
7. vacuum cup according to claim 1-3, which is characterized in that the top of the closing in section (21) with it is described
The top of bending segment (11) is fixed by laser welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822275533.7U CN209499379U (en) | 2018-12-29 | 2018-12-29 | A kind of vacuum cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822275533.7U CN209499379U (en) | 2018-12-29 | 2018-12-29 | A kind of vacuum cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209499379U true CN209499379U (en) | 2019-10-18 |
Family
ID=68199223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822275533.7U Active CN209499379U (en) | 2018-12-29 | 2018-12-29 | A kind of vacuum cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209499379U (en) |
-
2018
- 2018-12-29 CN CN201822275533.7U patent/CN209499379U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106136769A (en) | Seamless vacuum cup and processing method thereof | |
| CN207592631U (en) | Double horn mouth process equipment | |
| CN209499379U (en) | A kind of vacuum cup | |
| CN201900194U (en) | Novel die structure for necking pipe fittings | |
| CN104864642A (en) | Accumulator and manufacturing method thereof | |
| CN110116170A (en) | A kind of expansion tube necking method | |
| CN103363665B (en) | A kind of interlayer water tank and processing method thereof for water heater | |
| CN215588288U (en) | Fork type ring welds preceding lock end butt joint clamping frock with short shell | |
| CN204756246U (en) | High -speed joint of pipeline connects | |
| CN208546628U (en) | Double card reduce off-flavor diameter pipeline connecting parts | |
| CN206044228U (en) | Seamless vacuum cup | |
| CN209410835U (en) | The pipeline and cryogenic tank case of cryogenic tank case | |
| CN102139330A (en) | Novel female die structure for necking pipe fittings | |
| CN111374497A (en) | Vacuum cup and assembly process of inner pipe and outer pipe of vacuum cup | |
| CN210676998U (en) | Lathe tire | |
| CN100462661C (en) | Heat pipe pressing sealing method | |
| CN208822373U (en) | Liner component and electric hot water bottle | |
| CN204494077U (en) | Increase the structure that end socket pressurized hole improves pipeline flexibility | |
| CN111947483A (en) | Heat exchange tube assembly, heat exchanger and assembly method of heat exchange tube assembly | |
| CN215891963U (en) | Limiting protection structure in high-pressure energy storage tank | |
| CN212131718U (en) | Novel seal head | |
| CN209926658U (en) | Condenser input tube assembly for air conditioner | |
| CN206973085U (en) | A kind of coaxitron | |
| CN218761952U (en) | Brazed plug-in type pipe fitting | |
| CN217013471U (en) | Bell mouth vacuum thermo jug of reduction in rejection rate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |