CN214953271U - Full-automatic thermal desorption appearance - Google Patents
Full-automatic thermal desorption appearance Download PDFInfo
- Publication number
- CN214953271U CN214953271U CN202120444153.0U CN202120444153U CN214953271U CN 214953271 U CN214953271 U CN 214953271U CN 202120444153 U CN202120444153 U CN 202120444153U CN 214953271 U CN214953271 U CN 214953271U
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- China
- Prior art keywords
- bolt rod
- disk
- test tube
- supporting
- full
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- 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 - Fee Related
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- 238000003795 desorption Methods 0.000 title claims abstract description 15
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 239000004576 sand Substances 0.000 description 12
- 238000004817 gas chromatography Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003807 solvent-free extraction Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
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Abstract
The utility model discloses a full-automatic thermal desorption instrument, which comprises an instrument body, wherein a stepping motor is arranged outside the instrument body, the end surface of a driving shaft of the stepping motor is connected with a bolt rod by arranging a thread groove, the lower end of the bolt rod is sleeved with a first supporting disk, the lower end of the bolt rod is connected with a first nut locking first supporting disk, the upper end of the bolt rod is sleeved with a second supporting disk and a pressing disk, the upper end of the bolt rod is connected with a second nut locking second supporting disk and a pressing disk, a rubber convex strip is fixed on the surface of the outer end of the pressing disk, a test tube is inserted and connected with an inserting port on the surface of the second supporting disk, a ring groove is arranged on the surface of the first supporting disk, the lower end of the test tube is clamped into the ring groove, and a pressing disk mechanism is arranged, after the test tube is inserted and connected, the rubber convex strip can be driven by the rotating pressing disk to press the test tube, so as to be convenient for extruding and fixing the test tube, the fixing is firm, the swing is not easy to occur during rotation, and the stability is improved.
Description
Technical Field
The utility model relates to a thermal desorption appearance field, more specifically say, relate to a full-automatic thermal desorption appearance.
Background
The full-automatic thermal desorption instrument is used as a solvent-free extraction technology of gas chromatography, has the characteristics of high sensitivity, rapidness, simplicity, wide application range and the like, and is suitable for analyzing volatile and semi-volatile organic compounds in air and materials compatible with the gas chromatography;
full-automatic thermal desorption appearance among the prior art, the rotary disk assembly that its test tube supported is inconvenient to the test tube singly adopts the grafting location, and its fastness is not good, rocks when rotatory easily, and stability is not good.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a full-automatic thermal desorption appearance, through setting up pressure disk mechanism, its test tube grafting back, the rotatory pressure disk of accessible drives the rubber sand grip and compresses tightly the test tube, is convenient for extrude the test tube fixedly, and is fixed firm, is difficult for rocking during the rotation, improves stability.
In order to solve the above problems, the utility model adopts the following technical proposal.
A full-automatic thermal desorption instrument comprises an instrument body, wherein a stepping motor is arranged outside the instrument body, the end face of a driving shaft of the stepping motor is connected with a bolt rod by arranging a thread groove, the lower end of the bolt rod is sleeved with a first supporting disc, the lower end of the bolt rod is connected with a first nut locking first supporting disc, the upper end of the bolt rod is sleeved with a second supporting disc and a pressure disc, the upper end of the bolt rod is connected with a second nut locking second supporting disc and a pressure disc, a rubber raised strip is fixed on the outer end surface of the pressure disc, a test tube is inserted and connected with an inserting port on the surface of the second supporting disc, a ring groove is arranged on the surface of the first supporting disc, the lower end of the test tube is clamped into the ring groove for positioning, and after the test tube is inserted and connected, the rubber raised strip is driven by rotating the pressure disc to press the test tube, so that the test tube can be extruded and fixed firmly, the rotation is not easy to shake, and the stability is improved.
Furthermore, a twisting block is fixed on the outer surface of the second nut, so that the second nut is convenient to twist and operate.
Furthermore, a shifting piece is fixed on the surface of the lower end of the pressure plate, and the pressure plate can be conveniently shifted to rotate through the shifting piece.
Furthermore, the insertion port and the ring groove are on the same horizontal line, so that the insertion positioning is facilitated.
Further, the bayonet socket setting of the rubber sand grip in the pressure disk outside corresponding second supporting disk, rotatory pressure disk can drive the rubber sand grip and compress tightly the intraoral test tube of all interfaces, the location of being convenient for.
Compared with the prior art, the utility model has the advantages of:
(1) through setting up pressure disk mechanism, its test tube is pegged graft the back, and the rotatory pressure disk of accessible drives the rubber sand grip and compresses tightly the test tube, is convenient for extrude the test tube fixedly, and is fixed firm, is difficult for rocking during the rotation, improves stability.
(2) The outer surface of the second nut is fixed with a twisting block, so that the second nut is convenient to twist and operate.
(3) The lower end surface of the pressure plate is fixed with a shifting piece, and the pressure plate can be conveniently shifted to rotate through the shifting piece.
(4) The socket and the ring groove are on the same horizontal line, so that the socket positioning is facilitated.
(5) The bayonet socket setting of the rubber sand grip of the pressure disk outside corresponding second supporting disk, rotatory pressure disk can drive the rubber sand grip and compress tightly the intraoral test tube of all interfaces, the location of being convenient for.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a bottom plan view of the connection between the pressure plate and the bolt bar of the present invention;
fig. 3 is a top view of the first supporting plate of the present invention.
The reference numbers in the figures illustrate:
1 organism, 2 step motor, 3 shank of bolt, 4 first supporting disks, 5 first nuts, 6 second nuts, 7 second supporting disks, 8 pressure disks, 80 rubber sand grip, 70 interface, 9 test tubes, 40 ring grooves, 61 turn round piece, 81 plectrums.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Please refer to fig. 1-3, a full-automatic thermal desorption instrument, which comprises a machine body 1, a stepping motor 2 is arranged outside the machine body 1, a bolt rod 3 is connected to the end face of a driving shaft of the stepping motor 2 by arranging a thread groove, a first supporting disk 4 is sleeved at the lower end of the bolt rod 3, a first nut 5 is connected to the lower end of the bolt rod 3 to lock the first supporting disk 4, a second supporting disk 7 and a pressure disk 8 are sleeved at the upper end of the bolt rod 3, a second nut 6 is connected to the upper end of the bolt rod 3 to lock the second supporting disk 7 and the pressure disk 8, a rubber convex strip 80 is fixed on the surface of the outer end of the pressure disk 8, a test tube 9 is inserted into a plug port 70 arranged on the surface of the second supporting disk 7, a ring groove 40 is arranged on the surface of the first supporting disk 4, and the lower end of the test tube 9 is positioned in the ring groove 40.
Referring to fig. 1-3, a torsion block 61 is fixed on the outer surface of the second nut 6, so as to facilitate torsion of the second nut 6 and facilitate operation, a shifting piece 81 is fixed on the surface of the lower end of the pressure plate 8, the pressure plate 8 is convenient to stir to rotate through the shifting piece 81, the insertion port 70 and the ring groove 40 are on the same horizontal line, so as to facilitate insertion positioning, a rubber raised line 80 on the outer side of the pressure plate 8 is arranged corresponding to the insertion port 70 of the second support plate 7, and the rotary pressure plate 8 can drive the rubber raised line 80 to compress all test tubes 9 in the insertion port 70, so as to facilitate positioning.
When the device is used, the end face of a driving shaft of the stepping motor 2 is connected with a bolt rod 3 through a threaded groove, the lower end of the bolt rod 3 is sleeved with a first supporting disk 4, the lower end of the bolt rod 3 is connected with a first nut 5 for locking the first supporting disk 4, the upper end of the bolt rod 3 is sleeved with a second supporting disk 7 and a pressure disk 8, and the upper end of the bolt rod 3 is connected with a second nut 6 for locking the second supporting disk 7 and the pressure disk 8, so that the supporting disk assembly is facilitated;
the outer end surface of a pressure plate 8 is fixed with a rubber raised strip 80, the surface of a second supporting plate 7 is provided with a socket 70 to be inserted with a test tube 9, the surface of a first supporting plate 4 is provided with a ring groove 40, and the lower end of the test tube 9 is clamped into the ring groove 40 for positioning so as to be convenient for inserting and positioning the test tube 9;
and pressure disk 8's outer end fixed surface has rubber sand grip 80, the bayonet 70 setting of the rubber sand grip 80 in the pressure disk 8 outside corresponding second supporting disk 7, rotatory pressure disk 8 during the use, it is rotatory to drive rubber sand grip 80, its rubber sand grip 81 adopts the tooth form, the protruding department of 8 rubber sand grips after its rotation can compress tightly the test tube 9 in all bayonet 70, rethread locking second nut 6 is fixed, be convenient for firmly fix a position test tube 9, can not rock during the rotation.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. The utility model provides a full-automatic thermal desorption appearance, includes organism (1), its characterized in that: a stepping motor (2) is arranged outside the machine body (1), the end surface of a driving shaft of the stepping motor (2) is connected with a bolt rod (3) through a thread groove, the lower end of the bolt rod (3) is sleeved with a first supporting disc (4), the lower end of the bolt rod (3) is connected with a first nut (5) for locking the first supporting disc (4), the upper end of the bolt rod (3) is sleeved with a second supporting disk (7) and a pressure disk (8), the upper end of the bolt rod (3) is connected with a second nut (6) for locking a second supporting plate (7) and a pressure plate (8), a rubber convex strip (80) is fixed on the outer end surface of the pressure plate (8), a test tube (9) is inserted into the insertion port (70) formed on the surface of the second supporting plate (7), the surface of first supporting disk (4) is provided with ring groove (40), the lower extreme card of test tube (9) advances to encircle the interior location of ring groove (40).
2. The full-automatic thermal desorption instrument according to claim 1, which is characterized in that: a twisting block (61) is fixed on the outer surface of the second nut (6).
3. The full-automatic thermal desorption instrument according to claim 1, which is characterized in that: the lower end surface of the pressure plate (8) is fixed with a shifting piece (81).
4. The full-automatic thermal desorption instrument according to claim 1, which is characterized in that: the insertion port (70) and the ring groove (40) are on the same horizontal line.
5. The full-automatic thermal desorption instrument according to claim 1, which is characterized in that: the rubber convex strip (80) on the outer side of the pressure plate (8) is arranged corresponding to the plug port (70) of the second supporting plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120444153.0U CN214953271U (en) | 2021-03-01 | 2021-03-01 | Full-automatic thermal desorption appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120444153.0U CN214953271U (en) | 2021-03-01 | 2021-03-01 | Full-automatic thermal desorption appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214953271U true CN214953271U (en) | 2021-11-30 |
Family
ID=79117044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120444153.0U Expired - Fee Related CN214953271U (en) | 2021-03-01 | 2021-03-01 | Full-automatic thermal desorption appearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214953271U (en) |
-
2021
- 2021-03-01 CN CN202120444153.0U patent/CN214953271U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |