CN201974417U - Sample conveying tube - Google Patents
Sample conveying tube Download PDFInfo
- Publication number
- CN201974417U CN201974417U CN2011200063712U CN201120006371U CN201974417U CN 201974417 U CN201974417 U CN 201974417U CN 2011200063712 U CN2011200063712 U CN 2011200063712U CN 201120006371 U CN201120006371 U CN 201120006371U CN 201974417 U CN201974417 U CN 201974417U
- Authority
- CN
- China
- Prior art keywords
- tube
- sleeve pipe
- heating wire
- pipe
- adhesive linkage
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a sample conveying tube, which comprises an inner tube 1, an outer tube 2, an electric heating wire 3, an electric heating wire sleeve 4, a sleeve 5, a large sleeve 6, an inner adhesion layer 7, an outer adhesion layer 8, a heat-insulation tube 9 and an outer-layer tube 10. The outer tube 2 is sleeved outside the inner tube 1, the electric heating wire sleeve 4 is sleeved outside the electric heating wire 3 and is tightly adhered with the outer tube 2 via the inner adhesion layer 7, the sleeve 5 is sleeved outside the electric heating wire sleeve 4 and the outer tube 2, the large sleeve 6 is sleeved outside the sleeve 5 and is tightly adhered with the sleeve 5 via the outer adhesion layer 8, the heat-insulation tube 9 is sleeved outside the large sleeve 6, and the outer-layer tube 10 is sleeved outside the heat-insulation tube 9. The sample conveying tube has the advantages that by the aid of the design and structure, heating temperature can be higher (150 DEG C), the ventilating inner tube can be exchanged easily, insulation property between the heating wire and the ventilating inner tube is good, safety is high, the durability of the outer-layer tube is strengthened, the outer-layer tube is not easy to deform or be damaged, and simultaneously, integral external attractiveness of the sample conveying tube is increased.
Description
Technical field
The utility model relates to a kind of sample transfer tube.
Background technology
Head-space sampler is the indispensable sample pre-treatments equipment of gas chromatograph, owing to can remove the time-consuming expensive and loaded down with trivial details sample pretreatment process of analyst from after this equipment has been arranged, brought into play original effect for the analysis of volatile matter in sample, the matrix such as unmanageable solid-state, liquid, thickness attitude.So be widely used in that chemical pharmacy, medical and health, petrochemical complex, fine chemistry industry, food are brewageed, the detection of the volatile organic matter in the sample such as food and medicine wrappage, environment measuring, legal medical expert's evaluation, potable water, cosmetics, coating and paint.
The sample transfer tube is an essential also important components very in the head-space sampler, and existing sample transfer tube project organization has very big defective: non-refractory; If the interior pipe that is used for ventilating damages the complicated operating process of replacing; Insulativity is bad between the interior pipe of heater strip and ventilation; The outermost layer pipe is not durable, and is yielding etc.
The utility model content
The purpose of this utility model is exactly the above-mentioned defective at head-space sampler sample transfer tube, a kind of sample transfer tube is provided, include: interior pipe 1, outer tube 2, heating wire 3, heating wire sleeve pipe 4, sleeve pipe 5, big sleeve pipe 6, interior adhesive linkage 7, outer adhesive linkage 8, insulating tube 9 and outer tube 10: pipe 1 outside in described outer tube 2 is set in; Described heating wire sleeve pipe 4 is set in heating wire 3 outsides; Closely bond by interior adhesive linkage 7 between described heating wire sleeve pipe 4 and the outer tube 2; Described sleeve pipe 5 is set in the outside of heating wire sleeve pipe 4 and outer tube 2; Described big sleeve pipe 6 is set in sleeve pipe 5 outsides and closely bonds by outer adhesive linkage 8 with sleeve pipe 5; Described insulating tube 9 is set in big sleeve pipe 6 outsides; Described outer tube 10 is set in insulating tube 9 outsides.
In described adhesive linkage 7 and outer adhesive linkage 8 connect for adhesive tape twines or heat-resistant adhesive bonding.
Adhesive linkage 7 and outer adhesive linkage 8 are at least one deck in described.
Pipe 1 is a stainless-steel tube in described; Described outer tube 2 is a polyfluortetraethylene pipe; Described heating wire 3 is a nickel filament; Described heating wire sleeve pipe 4, sleeve pipe 5 and big sleeve pipe 6 are fiberglass pipe; Adhesive linkage 7 and outer adhesive linkage 8 are teflon adhesive tape or teflon heat-resistant adhesive in described; Described insulating tube 9 is the polyfoam pipe; Described outer tube 10 is a stainless steel flexible hose.
The beneficial effects of the utility model are: this kind project organization heating-up temperature that the utility model provides can higher (150 ℃); Changing the interior pipe of ventilation operates easily; Good insulation preformance between pipe is safe in heater strip and the ventilation; The outermost layer pipe has strengthened durability, and not yielding and damaged has strengthened the whole external beauty impression of sample transfer tube simultaneously.
Description of drawings
Fig. 1 is the overall schematic of the utility model sample transfer tube.
Fig. 2 is the partial schematic diagram of the utility model sample transfer tube.
Wherein, 1 is interior pipe, and 2 is outer tube, and 3 is heating wire, and 4 is the heating wire sleeve pipe, and 5 is sleeve pipe, and 6 is big sleeve pipe, and 7 is interior adhesive linkage, and 8 is outer adhesive linkage, and 9 is that insulating tube and 10 is outer tube.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Following examples only are several embodiment of the present utility model, but are not limited thereto mode.
Embodiment 1:
A kind of sample transfer tube as shown in Figure 1, includes: interior pipe 1, outer tube 2, heating wire 3, heating wire sleeve pipe 4, sleeve pipe 5, big sleeve pipe 6, interior adhesive linkage 7, outer adhesive linkage 8, insulating tube 9 and outer tube 10: pipe 1 outside in outer tube 2 is set in; Heating wire sleeve pipe 4 is set in heating wire 3 outsides; Closely bond by interior adhesive linkage 7 between heating wire sleeve pipe 4 and the outer tube 2; Sleeve pipe 5 is set in the outside of heating wire sleeve pipe 4 and outer tube 2; Big sleeve pipe 6 is set in sleeve pipe 5 outsides and closely bonds by outer adhesive linkage 8 with sleeve pipe 5; Insulating tube 9 is set in big sleeve pipe 6 outsides; Outer tube 10 is set in insulating tube 9 outsides.
Its manufacturing process is:
Interior pipe 1 is inserted in outer tube 2; Heating wire 3 is put into heating wire sleeve pipe 4; Then, heating wire sleeve pipe 4 closely bonded by interior adhesive linkage 7 with outer tube 2 is in the same place so that heating wire 3 heat can be transmitted to by heating wire sleeve pipe 4 and outer tube 2 in the pipe 1, the gas in keeping in the pipe 1 can condensation; Again heating wire sleeve pipe 4 and outer tube 2 are placed in the cavity of sleeve pipe 5; The outer adhesive linkage 8 of sleeve pipe 5 outer setting closely bonds sleeve pipe 5 and big sleeve pipe 6; Big sleeve pipe 6 outsides put an insulating tube 9 again, further prevent heat dissipation, raise the efficiency; Outermost layer puts an outer tube 10, is mainly protective effect.
Embodiment 2:
A kind of sample transfer tube, embodiment are with above-mentioned embodiment 1, and interior adhesive linkage 7 wherein and outer adhesive linkage 8 use heat-resisting adhesive tape to twine and meet (Fig. 2) or use heat-resistant adhesive to carry out bonding.
Embodiment 3:
A kind of sample transfer tube, embodiment are with above-mentioned embodiment 1, and wherein interior adhesive linkage 7 and outer adhesive linkage 8 are set to two-layer.
Embodiment 4:
A kind of sample transfer tube, embodiment are with above-mentioned embodiment 1, and interior pipe 1 wherein is a stainless-steel tube; Outer tube 2 is a polyfluortetraethylene pipe; Heating wire 3 is a nickel filament; Heating wire sleeve pipe 4, sleeve pipe 5 and big sleeve pipe 6 are fiberglass pipe; Interior adhesive linkage 7 and outer adhesive linkage 8 are teflon adhesive tape or teflon heat-resistant adhesive; Insulating tube 9 is the polyfoam pipe; Outer tube 10 is a stainless steel flexible hose.
Claims (4)
1. sample transfer tube, it is characterized in that: include: interior pipe (1), outer tube (2), heating wire (3), heating wire sleeve pipe (4), sleeve pipe (5), big sleeve pipe (6), interior adhesive linkage (7), outer adhesive linkage (8), insulating tube (9) and outer tube (10) is characterized in that, described outer tube (2) is set in interior pipe (1) outside; Described heating wire sleeve pipe (4) is set in heating wire (3) outside; Closely bond by interior adhesive linkage (7) between described heating wire sleeve pipe (4) and the outer tube (2); Described sleeve pipe (5) is set in the outside of heating wire sleeve pipe (4) and outer tube (2); Described big sleeve pipe (6) is set in sleeve pipe (5) outside and closely bonds by outer adhesive linkage (8) with sleeve pipe (5); Described insulating tube (9) is set in big sleeve pipe (6) outside; Described outer tube (10) is set in insulating tube (9) outside.
2. sample transfer tube as claimed in claim 1 is characterized in that, described in adhesive linkage (7) and outer adhesive linkage (8) connects for adhesive tape twines or heat-resistant adhesive is bonding.
3. sample transfer tube as claimed in claim 2 is characterized in that, described interior adhesive linkage (7) and outer adhesive linkage (8) are at least one deck.
4. sample transfer tube as claimed in claim 3 is characterized in that, described interior pipe (1) is a stainless-steel tube; Described outer tube (2) is a polyfluortetraethylene pipe; Described heating wire (3) is a nickel filament; Described heating wire sleeve pipe (4), sleeve pipe (5) and big sleeve pipe (6) are fiberglass pipe; Adhesive linkage (7) and outer adhesive linkage (8) are teflon adhesive tape or teflon heat-resistant adhesive in described; Described insulating tube (9) is the polyfoam pipe; Described outer tube (10) is a stainless steel flexible hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200063712U CN201974417U (en) | 2011-01-11 | 2011-01-11 | Sample conveying tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200063712U CN201974417U (en) | 2011-01-11 | 2011-01-11 | Sample conveying tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201974417U true CN201974417U (en) | 2011-09-14 |
Family
ID=44579518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200063712U Expired - Lifetime CN201974417U (en) | 2011-01-11 | 2011-01-11 | Sample conveying tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201974417U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672203A (en) * | 2013-11-09 | 2014-03-26 | 高月芳 | Stainless steel composite tube |
| CN106093266A (en) * | 2016-08-16 | 2016-11-09 | 中国科学院西双版纳热带植物园 | The GC EAD system of chromatographic column constant temperature transmission line and composition thereof |
-
2011
- 2011-01-11 CN CN2011200063712U patent/CN201974417U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103672203A (en) * | 2013-11-09 | 2014-03-26 | 高月芳 | Stainless steel composite tube |
| CN106093266A (en) * | 2016-08-16 | 2016-11-09 | 中国科学院西双版纳热带植物园 | The GC EAD system of chromatographic column constant temperature transmission line and composition thereof |
| CN106093266B (en) * | 2016-08-16 | 2018-02-06 | 中国科学院西双版纳热带植物园 | The GC EAD systems that chromatographic column constant temperature transmission line is formed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110914 |