CN212989393U - Automatic sample adding device for thermogravimetric analyzer - Google Patents
Automatic sample adding device for thermogravimetric analyzer Download PDFInfo
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- CN212989393U CN212989393U CN202021950329.1U CN202021950329U CN212989393U CN 212989393 U CN212989393 U CN 212989393U CN 202021950329 U CN202021950329 U CN 202021950329U CN 212989393 U CN212989393 U CN 212989393U
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- fixedly connected
- shell
- round
- top surface
- plate
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- 241000237983 Trochidae Species 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims description 8
- 239000010985 leather Substances 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002411 thermogravimetry Methods 0.000 description 1
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Abstract
The utility model discloses an automatic application of sample device for thermogravimetric analyzer, including host computer and round shell, be provided with a shell on the top surface of host computer, be provided with the round shell on the top surface of top shell, the round shell bottom surface does not seal the setting, the round shell runs through a shell setting. The utility model discloses a through being provided with fly leaf and connecting plate, when needing the application of sample, can drive the threaded rod through the motor and rotate, make the fly leaf rise to through the position of external device with the sample application between fly leaf and the connecting plate, rethread motor drive fly leaf and connecting plate descend, can make the connecting plate get into to the shell inner chamber of reaching the top, realize the application of sample, can effectually avoid revealing, improve and measure the accuracy; through being provided with the apron, compress tightly the top shell through the apron, can realize the apron to the location of top shell, the effectual motion of avoiding appearing when the application of sample, the stability of top shell when improving the application of sample. The utility model has the advantages of difficult leakage and good stability.
Description
Technical Field
The utility model relates to a thermogravimetric analyzer technical field specifically is an automatic application of sample device for thermogravimetric analyzer.
Background
A thermogravimetric Analyzer (Thermal Gravimetric Analyzer) is an instrument for detecting the temperature-mass change relationship of a substance by using a thermogravimetric method. Thermogravimetry is the measurement of the mass of a substance as a function of temperature (or time) at a programmed temperature. In the prior art, internal gas leakage is easy to occur when sample adding operation is carried out inside the thermogravimetric analyzer, so that the detected quality is changed, the measurement is inaccurate, and the use is not facilitated, which is a great disadvantage in the prior art; in addition, the prior art lacks a stabilizing device, which makes the tank body move easily during the sample adding operation, thereby easily causing the leakage of the substance and greatly influencing the accuracy of the measuring result, which is another deficiency of the prior art. Based on above reason, the utility model provides an automatic application of sample device for thermogravimetric analyzer solves the not enough of prior art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem lie in overcoming prior art's easy leakage and the poor stability defect, provide an automatic application of sample device for thermogravimetric analyzer. The automatic sample adding device for the thermogravimetric analyzer has the characteristics of low probability of leakage, high stability and the like.
In order to achieve the above object, the utility model provides a following technical scheme: an automatic sample adding device for a thermogravimetric analyzer comprises a host, wherein a top shell is arranged on the top surface of the host, a round shell is arranged on the top surface of the top shell, the bottom surface of the round shell is not sealed, the round shell penetrates through the top shell, a cover plate is movably connected onto the side wall, close to the bottom surface, of the round shell, a leather ring is fixedly connected onto the side wall of the cover plate, a mounting plate is fixedly connected onto one side of the top surface of the host, the mounting plate is arranged in an L shape, a motor is fixedly connected onto the top surface of the short edge of the mounting plate, a rotating shaft is fixedly connected onto a rotor of the motor, one end, away from the motor, of the rotating shaft penetrates through the mounting plate and is movably connected with a threaded rod, the rotating shaft is movably connected with the mounting plate, the bottom end of the threaded rod, the top surface of connecting plate is the slope setting, threaded hole is seted up at the top surface center of fly leaf, the threaded hole runs through the inboard setting of connecting plate, swing joint between threaded rod and the threaded hole, the top surface of fly leaf is close to lateral wall department fixedly connected with ring board, two movable rods of bilateral symmetry fixedly connected with on the top surface of fly leaf, fixed connection between the top of movable rod and the inner chamber bottom surface of round shell, fixedly connected with inlet pipe on the lateral wall that the round shell is close to the top surface, be provided with blocking mechanism in the inlet pipe.
Preferably, stop mechanism includes the support, fixed connection between support and the feed tube inner chamber lateral wall, the support is the setting of Y shape, the lateral wall center swing joint of support has the round bar, the round bar is close to round shell center one end fixedly connected with baffle, the baffle is circular setting, fixedly connected with rubber ring on the lateral wall of baffle, baffle one end fixedly connected with is dull and stereotyped to the round bar is kept away from, the cover is equipped with first spring on the round bar, first spring one end and support fixed connection, the first spring other end and dull and stereotyped fixed connection.
Preferably, evenly distributed has seted up a plurality of on the lateral wall that the round shell is close to the bottom surface and has erect the groove, evenly distributed fixedly connected with a plurality of fixed block on the lateral wall that the apron is close to round shell one side, the fixed block with erect swing joint between the groove, every equal fixedly connected with second spring on the top surface of fixed block, fixed connection between the top of second spring and the top surface of erecting the groove.
Preferably, the round hole has been seted up on the top of threaded rod, evenly distributed has seted up a plurality of spout on the lateral wall of round hole, the motor one end is kept away from in the pivot inserts the round hole, the pivot is located evenly distributed fixedly connected with a plurality of slider on the lateral wall of round hole inner chamber one end, swing joint between slider and the spout.
Preferably, the outer side walls of the movable plate and the circular plate are fixedly connected with a sealing ring, and the outer side wall of the connecting plate, which is close to the bottom surface, is fixedly connected with another sealing ring.
Preferably, the movable rod comprises a thick pipe, the thick pipe is fixedly connected with the top surface of the inner cavity of the circular shell, the inner cavity of the thick pipe is movably connected with a thin rod, and the bottom end of the thin rod extends out of the top surface of the thick pipe and is fixedly connected to the movable plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a through being provided with fly leaf and connecting plate, when needing the application of sample, can drive the threaded rod through the motor and rotate, make the fly leaf rise to through the position of external device with the sample application between fly leaf and the connecting plate, rethread motor drive fly leaf and connecting plate descend, can make the connecting plate get into to the shell inner chamber of reaching the top, realize the application of sample, can effectually avoid revealing, improve and measure the accuracy;
2. through being provided with the apron, compress tightly the top shell through the apron, can realize the apron to the location of top shell, the effectual motion of avoiding appearing when the application of sample, the stability of top shell when improving the application of sample.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of the structure of the plane A-A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the point B of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the present invention at C of FIG. 1;
fig. 5 is an enlarged view of fig. 2 according to the present invention;
fig. 6 is a schematic structural view of the bracket of the present invention.
Reference numbers in the figures: 1. a host; 2. a top shell; 3. a round shell; 4. a cover plate; 5. a leather collar; 6. mounting a plate; 7. a motor; 8. a rotating shaft; 9. a threaded rod; 10. a movable plate; 11. a connecting plate; 12. a circular ring plate; 13. a movable rod; 14. a feed pipe; 15. a blocking mechanism; 16. a support; 17. a round bar; 18. a baffle plate; 19. a rubber ring; 20. a flat plate; 21. a first spring; 22. a vertical slot; 23. a fixed block; 24. a second spring; 25. a chute; 26. a slider; 27. a seal ring; 28. a thick pipe; 29. a thin rod.
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.
Referring to fig. 1-6, the present invention provides a technical solution: an automatic sample adding device for a thermogravimetric analyzer comprises a host 1, wherein a top shell 2 is arranged on the top surface of the host 1, a round shell 3 is arranged on the top surface of the top shell 2, the bottom surface of the round shell 3 is not sealed, the round shell 3 penetrates through the top shell 2, a cover plate 4 is movably connected onto the side wall of the round shell 3 close to the bottom surface, a leather collar 5 is fixedly connected onto the side wall of the cover plate 4, a plurality of vertical grooves 22 are uniformly distributed on the side wall of the round shell 3 close to the bottom surface, a plurality of fixed blocks 23 are uniformly distributed and fixedly connected onto the side wall of the cover plate 4 close to one side of the round shell 3, the fixed blocks 23 are movably connected with the vertical grooves 22, a second spring 24 is fixedly connected onto the top surface of each fixed block 23, the top end of the second spring 24 is fixedly connected with the top surface of the vertical groove 22, the fixed positioning of the top shell 2 is realized, the gas, one side of the top surface of the main machine 1 is fixedly connected with a mounting plate 6, the mounting plate 6 is arranged in an L shape, the top surface of the short edge of the mounting plate 6 is fixedly connected with a motor 7, a rotor of the motor 7 is fixedly connected with a rotating shaft 8, one end of the rotating shaft 8, which is far away from the motor 7, penetrates through the mounting plate 6 and is movably connected with a threaded rod 9, the top end of the threaded rod 9 is provided with a round hole, the side wall of the round hole is uniformly distributed and provided with a plurality of sliding grooves 25, one end of the rotating shaft 8, which is far away from the motor 7, is inserted into the round hole, the side wall of the rotating shaft 8, which is positioned at one end of the inner cavity of the round hole, is uniformly distributed and fixedly connected with a plurality of sliding blocks 26, the sliding blocks 26 are movably connected with, the top surface of the connecting plate 11 is obliquely arranged, a threaded hole is formed in the center of the top surface of the movable plate 10, the threaded hole penetrates through the inner side of the connecting plate 11, the threaded rod 9 is movably connected with the threaded hole, a circular ring plate 12 is fixedly connected to the position, close to the side wall, of the top surface of the movable plate 10, a sealing ring 27 is fixedly connected to the outer side walls of the movable plate 10 and the circular ring plate 12, another sealing ring 27 is fixedly connected to the outer side wall, close to the bottom surface, of the connecting plate 11, the sealing performance is improved, two movable rods 13 are fixedly connected to the top surface of the movable plate 10 in a bilateral symmetry manner, each movable rod 13 comprises a thick pipe 28, the thick pipe 28 is fixedly connected with the top surface of the inner cavity of the circular shell 3, a thin rod 29 is movably connected to the inner cavity of the thick pipe 28, the bottom end of the, fixedly connected with inlet pipe 14 on the lateral wall that round shell 3 is close to the top surface, be provided with blocking mechanism 15 in the inlet pipe 14, blocking mechanism 15 includes support 16, fixed connection between support 16 and the 14 inner chamber lateral walls of inlet pipe, support 16 is the setting of Y shape, the lateral wall center swing joint of support 16 has round bar 17, round bar 17 is close to round shell 3 center one end fixedly connected with baffle 18, baffle 18 is circular setting, fixedly connected with rubber ring 19 on baffle 18's the lateral wall, 18 one end fixedly connected with of baffle 20 is dull and stereotyped 20 is kept away from to round bar 17, the cover is equipped with first spring 21 on the round bar 17, first spring 21 one end and support 16 fixed connection, the first spring 21 other end and dull and stereotyped 20 fixed connection, sealing effect is improved, avoid gas leakage.
The working principle is as follows: when the device is used, the round shell 3 is firstly moved upwards, so that the top shell 2 is placed on a corresponding position on the top surface of the host 1, the round shell 3 is loosened, the cover plate 4 clamps the top surface of the top shell 2 to realize positioning, the bottom surface of the round shell 3 is inserted into the top surface of the top shell 2, when sample adding operation is required to be carried out on the inner cavity of the top shell 2, the motor 7 is started through an external power supply, the motor 7 drives the rotating shaft 8 to rotate, the rotating shaft 8 drives the threaded rod 9 to rotate in the threaded hole on the movable plate 10, the threaded rod 9 lifts the movable plate 10, so that the feeding pipe 14 is positioned between the movable plate 10 and the connecting plate 11, substances to be used are added into the feeding pipe 14 through the external device, the baffle 18 is moved to the inner cavity of the round shell 3 through the effect of the external device, at the moment, the first spring 21 contracts, the substances are added to the position between the movable plate, then close outside material feeding unit, baffle 18 moves back inlet pipe 14 inner chamber under the effect of first spring 21 this moment, rethread external control device makes motor 7 reversal, threaded rod 9 drives fly leaf 10 and connecting plate 11 case top shell 2 inner chambers one side motion, after connecting plate 11 moves 2 inner chambers of top shell, the material landing on the connecting plate 11 is during 2 inner chambers of top shell, realize the application of sample operation, and the in-process leakproofness of application of sample is good, the effectual 2 inner chambers of top shell of avoiding leak, improve and measure the accuracy.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an automatic application of sample device for thermogravimetric analyzer, includes host computer (1), its characterized in that: the top shell (2) is arranged on the top surface of the host (1), the round shell (3) is arranged on the top surface of the top shell (2), the bottom surface of the round shell (3) is not sealed, the round shell (3) penetrates through the top shell (2) and is arranged, the round shell (3) is movably connected with the cover plate (4) on the side wall close to the bottom surface, the leather ring (5) is fixedly connected on the side wall of the cover plate (4), the mounting plate (6) is fixedly connected with one side of the top surface of the host (1), the mounting plate (6) is arranged in an L shape, the motor (7) is fixedly connected with the top surface of the short edge of the mounting plate (6), the rotor of the motor (7) is fixedly connected with the rotating shaft (8), one end of the rotating shaft (8) far away from the motor (7) penetrates through the mounting plate (6) and is movably connected with the threaded rod (, the bottom end of the threaded rod (9) penetrates through the inner cavity of the round shell (3), the inner cavity of the round shell (3) is provided with a movable plate (10), the center of the bottom surface of the movable plate (10) is fixedly connected with a connecting plate (11), the top surface of the connecting plate (11) is obliquely arranged, the center of the top surface of the movable plate (10) is provided with a threaded hole which penetrates through the inner side of the connecting plate (11), the threaded rod (9) is movably connected with the threaded hole, the top surface of the movable plate (10) close to the side wall is fixedly connected with a circular ring plate (12), two movable rods (13) are fixedly connected on the top surface of the movable plate (10) in a bilateral symmetry manner, the top end of the movable rod (13) is fixedly connected with the bottom surface of the inner cavity of the round shell (3), fixedly connected with inlet pipe (14) on the lateral wall that round shell (3) are close to the top surface, be provided with barrier mechanism (15) in inlet pipe (14).
2. The automatic sample feeding device for the thermogravimetric analyzer according to claim 1, wherein: stop mechanism (15) including support (16), fixed connection between support (16) and inlet pipe (14) inner chamber lateral wall, support (16) are the setting of Y shape, the lateral wall center swing joint of support (16) has round bar (17), round bar (17) are close to round shell (3) center one end fixedly connected with baffle (18), baffle (18) are circular setting, fixedly connected with rubber circle (19) on the lateral wall of baffle (18), baffle (18) one end fixedly connected with flat board (20) are kept away from to round bar (17), the cover is equipped with first spring (21) on round bar (17), first spring (21) one end and support (16) fixed connection, first spring (21) other end and flat board (20) fixed connection.
3. The automatic sample feeding device for the thermogravimetric analyzer according to claim 1, wherein: evenly distributed has been seted up a plurality of on the lateral wall that round shell (3) are close to the bottom surface and has erect groove (22), evenly distributed fixedly connected with a plurality of fixed block (23) on the lateral wall that apron (4) are close to round shell (3) one side, fixed block (23) and erect swing joint between groove (22), every equal fixedly connected with second spring (24) on the top surface of fixed block (23), fixed connection between the top of second spring (24) and the top surface of erecting groove (22).
4. The automatic sample feeding device for the thermogravimetric analyzer according to claim 1, wherein: the round hole has been seted up on the top of threaded rod (9), a plurality of spout (25) have been seted up to evenly distributed on the lateral wall of round hole, motor (7) one end is kept away from in pivot (8) inserts the round hole, pivot (8) are located a plurality of slider of evenly distributed fixedly connected with (26) on the lateral wall of round hole inner chamber one end, swing joint between slider (26) and spout (25).
5. The automatic sample feeding device for the thermogravimetric analyzer according to claim 1, wherein: the outer side wall of the movable plate (10) and the outer side wall of the circular ring plate (12) are fixedly connected with a sealing ring (27), and the outer side wall of the connecting plate (11) close to the bottom surface is fixedly connected with another sealing ring (27).
6. The automatic sample feeding device for the thermogravimetric analyzer according to claim 1, wherein: the movable rod (13) comprises a thick pipe (28), the thick pipe (28) is fixedly connected with the top surface of the inner cavity of the circular shell (3), the inner cavity of the thick pipe (28) is movably connected with a thin rod (29), and the bottom end of the thin rod (29) extends out of the thick pipe (28) and is fixedly connected to the top surface of the movable plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021950329.1U CN212989393U (en) | 2020-09-09 | 2020-09-09 | Automatic sample adding device for thermogravimetric analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021950329.1U CN212989393U (en) | 2020-09-09 | 2020-09-09 | Automatic sample adding device for thermogravimetric analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212989393U true CN212989393U (en) | 2021-04-16 |
Family
ID=75416605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021950329.1U Expired - Fee Related CN212989393U (en) | 2020-09-09 | 2020-09-09 | Automatic sample adding device for thermogravimetric analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212989393U (en) |
-
2020
- 2020-09-09 CN CN202021950329.1U patent/CN212989393U/en not_active Expired - Fee Related
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| 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: 20210416 |
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| CF01 | Termination of patent right due to non-payment of annual fee |