CN220766356U - Sampling needle lifting assembly for double-channel secondary thermal analysis instrument - Google Patents
Sampling needle lifting assembly for double-channel secondary thermal analysis instrument Download PDFInfo
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- CN220766356U CN220766356U CN202322337272.8U CN202322337272U CN220766356U CN 220766356 U CN220766356 U CN 220766356U CN 202322337272 U CN202322337272 U CN 202322337272U CN 220766356 U CN220766356 U CN 220766356U
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- 238000005070 sampling Methods 0.000 title claims abstract description 55
- 238000002076 thermal analysis method Methods 0.000 title claims abstract description 8
- 230000006978 adaptation Effects 0.000 claims abstract description 7
- 238000010304 firing Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of thermal analyzers, and discloses a sampling needle lifting assembly for a double-channel secondary thermal analyzer, which comprises a fixed bottom plate, wherein the upper end of the fixed bottom plate is fixedly connected with an outer fixed support, the upper end of the fixed bottom plate is fixedly provided with a driving motor, and the upper end of the outer fixed support is provided with a bolt hole. This a sample needle lifting assembly for binary channels secondary thermal analysis appearance can improve the stability when the lead screw rotates through two terminal seats of backplate front side to stability when lifting the sample support subassembly, two connecting rods through the mounting panel rear side are connected with the lead screw, have increased the tie point, have improved fastness and stability, can be convenient for with guide rail looks adaptation through two guide blocks and the guide slot of mounting panel left and right sides, be convenient for sample support subassembly along guide rail lift, and a plurality of tie points can improve stability, stability when improving the sample needle puncture sample, prevent the firing pin.
Description
Technical Field
The utility model relates to the technical field of thermal analyzers, in particular to a sampling needle lifting assembly for a double-channel secondary thermal analyzer.
Background
The thermal analyzer is one of the methods for detecting the content of pollutants in air and waste gas, which is to collect air or waste gas samples by sampling tubes, the pollutants in the air or waste gas are absorbed by adsorbents in the sampling tubes, the sampling tubes are put into the thermal analyzer, the thermal analyzer of the thermal analyzer heats the set parts of the sampling tubes according to the set temperature and the set time, the chemical substances to be analyzed absorbed by the adsorbents in the sampling tubes are resolved, the chemical substances to be analyzed are directly led into the analyzer for analysis,
the headspace sampler is a convenient and quick sample pretreatment method in gas chromatography, and the principle is that a sample to be tested is placed in a container, volatile components in a headspace sampling bottle volatilize from a sample matrix through heating and heating, balance is achieved in gas-liquid or gas-solid two phases, and gas at the top of the headspace sampling bottle is directly extracted for chromatographic analysis, so that the components and the content of the volatile components in the sample are tested, and a sampling needle is driven by a lifting device to lift and puncture.
Chinese patent publication No.: CN116068105a, discloses: a device applied to full-automatic headspace heating temperature control sampling control realizes the effect of avoiding oscillation of liquid in a headspace sampling bottle during sampling. The device for full-automatic headspace heating temperature control sampling control is characterized in that the connection point of the sampling needle bracket is single when the lifting sampling component is lifted, so that the stability of the sampling penetrating into a sample is affected.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a sampling needle lifting assembly for a double-channel secondary thermal analyzer, which is used for solving the problems in the background.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sampling needle lifting assembly for binary channels secondary thermal analysis appearance, includes PMKD, PMKD's upper end fixedly connected with external fixation support, PMKD's upper end fixedly connected with driving motor, the bolt hole has been seted up to external fixation support's upper end, PMKD's lower extreme fixedly connected with lifting frame subassembly, driving motor's lower extreme fixedly connected with drive shaft, the lower extreme fixedly connected with lead screw of drive shaft, lifting frame subassembly's inboard fixed mounting has the end seat, lifting frame subassembly's front side fixedly connected with guide rail, the front side of guide rail is provided with sampling support subassembly, sampling support subassembly's upper end is provided with the sample gim peg, sampling needle is provided with to the inboard of sampling gim peg;
the lifting frame assembly comprises a back plate, a connecting plate, a panel and a movable groove, wherein the connecting plate is fixedly connected to the front side of the back plate, the panel is fixedly connected to the front side of the connecting plate, and the movable groove is formed in the front side of the panel;
the sampling bracket assembly comprises a bracket plate, a connecting rod, a thread groove, a guide block, a guide groove, a first mounting plate, a second mounting plate, a thread seat and a needle limit groove, wherein the connecting rod is fixedly connected to the rear side of the bracket plate, the thread groove is formed in the upper end of the connecting rod, the guide block is fixedly connected to the left side of the bracket plate, the guide groove is formed in the rear side of the guide block, the first mounting plate is fixedly connected to the front side of the bracket plate, the second mounting plate is fixedly connected to the front side of the bracket plate, the thread seat is fixedly connected to the upper end of the first mounting plate, and the needle limit groove is formed in the upper end of the second mounting plate.
Preferably, the upper end fixedly connected with two external fixation brackets of bottom plate just symmetry sets up, two bolt holes have been seted up to the upper end of external fixation bracket.
Through above-mentioned technical scheme, two external fixation supports of fixed bottom plate and the bolt hole of seting up of its upper end can be convenient for fix on the machine.
Preferably, the front side of the back plate is fixedly provided with two end seats, and the driving shaft penetrates through the fixed bottom plate and is fixedly connected with the screw rod.
Through above-mentioned technical scheme, the stability when the lead screw rotation can be improved to two terminal seats of backplate front side to stability when lifting of promotion sample support subassembly.
Preferably, the rear side fixedly connected with two connecting rods of mounting panel, the screw thread groove has all been seted up to the upper end of connecting rod, screw thread groove and lead screw looks adaptation and be threaded connection.
Through above-mentioned technical scheme, be connected with the lead screw through two connecting rods of mounting panel rear side, increased the tie point, improved fastness and stability.
Preferably, the left side and the right side of the support plate are fixedly connected with two guide blocks, and the rear sides of the guide blocks are provided with guide grooves.
Through above-mentioned technical scheme, two guide blocks and the guide slot of bracket plate left and right sides can be convenient for with guide rail looks adaptation, be convenient for sample bracket component along the guide rail lift, and a plurality of tie points can improve stability.
Preferably, the front side of the panel is fixedly connected with two guide rails, and the guide rails are matched with the guide grooves.
Through the technical scheme, the guide rail and the guide groove are matched, so that the sampling bracket assembly can be conveniently lifted along the guide rail.
Compared with the prior art, the utility model provides the sampling needle lifting assembly for the double-channel secondary thermal analysis instrument, which has the following beneficial effects: this a sample needle lifting assembly for binary channels secondary thermal analysis appearance can improve the stability when the lead screw rotates through two terminal seats of backplate front side to stability when lifting the sample support subassembly, two connecting rods through the mounting panel rear side are connected with the lead screw, have increased the tie point, have improved fastness and stability, can be convenient for with guide rail looks adaptation through two guide blocks and the guide slot of mounting panel left and right sides, be convenient for sample support subassembly along guide rail lift, and a plurality of tie points can improve stability, stability when improving the sample needle puncture sample, prevent the firing pin.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a front view of the present utility model;
FIG. 3 is a right side view of the present utility model;
fig. 4 is a schematic perspective view of a sampling bracket assembly according to the present utility model.
Wherein: 1. a fixed bottom plate; 2. an outer fixing bracket; 3. a driving motor; 4. bolt holes; 5. a lifting frame assembly; 501. a back plate; 502. a connecting plate; 503. a panel; 504. a movable groove; 6. a drive shaft; 7. an end seat; 8. a screw rod; 9. a guide rail; 10. a sampling support assembly; 1001. a support plate; 1002. a connecting rod; 1003. a thread groove; 1004. a guide block; 1005. a guide groove; 1006. a first mounting plate; 1007. a second mounting plate; 1008. a screw seat; 1009. a needle limit groove; 11. sampling a fixing bolt; 12. a sampling needle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1-4, the sampling needle lifting assembly for the double-channel secondary thermal analysis instrument provided by the utility model comprises a fixed bottom plate 1, wherein the upper end of the fixed bottom plate 1 is fixedly connected with an outer fixed support 2, the upper end of the fixed bottom plate 1 is fixedly provided with a driving motor 3, the upper end of the outer fixed support 2 is provided with a bolt hole 4, the lower end of the fixed bottom plate 1 is fixedly connected with a lifting frame assembly 5, the lower end of the driving motor 3 is fixedly connected with a driving shaft 6, the lower end of the driving shaft 6 is fixedly connected with a screw rod 8, the inner side of the lifting frame assembly 5 is fixedly provided with an end seat 7, the front side of the lifting frame assembly 5 is fixedly connected with a guide rail 9, the front side of the guide rail 9 is provided with a sampling support assembly 10, the upper end of the sampling support assembly 10 is provided with a sampling fixing bolt 11, and the inner side of the sampling fixing bolt 11 is provided with a sampling needle 12;
the lifting frame assembly 5 comprises a back plate 501, a connecting plate 502, a face plate 503 and a movable groove 504, wherein the connecting plate 502 is fixedly connected to the front side of the back plate 501, the face plate 503 is fixedly connected to the front side of the connecting plate 502, and the movable groove 504 is formed in the front side of the face plate 503;
the sampling bracket assembly 10 comprises a bracket plate 1001, a connecting rod 1002, a thread groove 1003, a guide block 1004, a guide groove 1005, a first mounting plate 1006, a second mounting plate 1007, a thread seat 1008 and a needle limit groove 1009, wherein the rear side of the bracket plate 1001 is fixedly connected with the connecting rod 1002, the upper end of the connecting rod 1002 is provided with the thread groove 1003, the left side of the bracket plate 1001 is fixedly connected with the guide block 1004, the rear side of the guide block 1004 is provided with the guide groove 1005, the front side of the bracket plate 1001 is fixedly connected with the first mounting plate 1006, the front side of the bracket plate 1001 is fixedly connected with the second mounting plate 1007, the upper end of the first mounting plate 1006 is fixedly connected with the thread seat 1008, and the upper end of the second mounting plate 1007 is provided with the needle limit groove 1009.
Specifically, the upper end fixedly connected with two external fixation support 2 of PMKD 1 and symmetry set up, and two bolt holes 4 have been seted up to the upper end of external fixation support 2, and the advantage is, the bolt hole 4 that two external fixation support 2 of PMKD 1 and upper end were seted up can be convenient for fix on the machine.
Specifically, two end seats 7 are fixedly installed on the front side of the back plate 501, and the driving shaft 6 penetrates through the fixed bottom plate 1 and is fixedly connected with the screw rod 8.
Specifically, two connecting rods 1002 are fixedly connected with the rear side of the support plate 1001, the upper ends of the connecting rods 1002 are provided with threaded grooves 1003, the threaded grooves 1003 are matched with the screw rods 8 and are in threaded connection, and the support plate 1001 has the advantages that the two connecting rods 1002 on the rear side of the support plate 1001 are connected with the screw rods 8, connection points are increased, and firmness and stability are improved.
Embodiment two:
as shown in fig. 2-4, as an improvement over the previous embodiment. Specifically, two guide blocks 1004 are all fixedly connected with in the left and right sides of mounting plate 1001, and guide slot 1005 has all been seted up to the rear side of guide block 1004, and advantage is, two guide blocks 1004 and guide slot 1005 in the left and right sides of mounting plate 1001 can be convenient for with guide rail 9 looks adaptation, be convenient for sample support subassembly 10 along guide rail 9 lift, and a plurality of tie points can improve stability.
Specifically, two guide rails 9 are fixedly connected to the front side of the panel 503, and the guide rails 9 are matched with the guide grooves 1005, which has the advantage that the guide rails 9 and the guide grooves 1005 are matched to facilitate the lifting of the sampling bracket assembly 10 along the guide rails 9.
Working principle: when using, drive shaft 6 and lead screw 8 through driving motor 3 and rotate and make sampling support subassembly 10 follow guide rail 9 oscilaltion, can improve the stability when lead screw 8 rotates through two end seats 7 of backplate 501 front side, stability when lifting sampling support subassembly 10, be connected with lead screw 8 through two connecting rods 1002 of mounting panel 1001 rear side, the tie point has been increased, fastness and stability have been improved, two guide blocks 1004 and guide slot 1005 through mounting panel 1001 left and right sides can be convenient for with guide rail 9 looks adaptation, be convenient for sampling support subassembly 10 along guide rail 9 lift, and a plurality of tie points can improve stability, stability when improving the sample needle 12 puncture sample, prevent.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A sampling needle lifting assembly for binary channels secondary thermal analysis appearance, includes fixed baseplate (1), its characterized in that: the automatic sampling device is characterized in that an outer fixing support (2) is fixedly connected to the upper end of the fixing base plate (1), a driving motor (3) is fixedly arranged at the upper end of the fixing base plate (1), a bolt hole (4) is formed in the upper end of the outer fixing support (2), a lifting frame assembly (5) is fixedly connected to the lower end of the fixing base plate (1), a driving shaft (6) is fixedly connected to the lower end of the driving motor (3), a screw rod (8) is fixedly connected to the lower end of the driving shaft (6), an end seat (7) is fixedly arranged on the inner side of the lifting frame assembly (5), a guide rail (9) is fixedly connected to the front side of the lifting frame assembly (5), a sampling support assembly (10) is arranged on the front side of the guide rail (9), a sampling fixing bolt (11) is arranged at the upper end of the sampling support assembly (10), and a sampling needle (12) is arranged on the inner side of the sampling fixing bolt (11).
The lifting frame assembly (5) comprises a back plate (501), a connecting plate (502), a panel (503) and a movable groove (504), wherein the connecting plate (502) is fixedly connected to the front side of the back plate (501), the panel (503) is fixedly connected to the front side of the connecting plate (502), and the movable groove (504) is formed in the front side of the panel (503);
sample bracket component (10) is including mounting panel (1001), connecting rod (1002), thread groove (1003), guide block (1004), guide slot (1005), mounting panel one (1006), mounting panel two (1007), screw thread seat (1008) and needle spacing groove (1009), rear side fixedly connected with connecting rod (1002) of mounting panel (1001), thread groove (1003) have been seted up to the upper end of connecting rod (1002), left side fixedly connected with guide block (1004) of mounting panel (1001), guide slot (1005) have been seted up to the rear side of guide block (1004), the front side fixedly connected with mounting panel one (1006) of mounting panel (1001), the front side fixedly connected with mounting panel two (1007) of mounting panel one (1008), needle spacing groove (1009) have been seted up to the upper end of mounting panel two (1007).
2. The sampling needle lifting assembly for a two-channel secondary thermal analyzer of claim 1, wherein: the upper end fixedly connected with two outer fixed brackets (2) of fixed baseplate (1) and symmetry set up, two bolt holes (4) have been seted up to the upper end of outer fixed bracket (2).
3. The sampling needle lifting assembly for a two-channel secondary thermal analyzer of claim 1, wherein: two end seats (7) are fixedly arranged on the front side of the back plate (501), and the driving shaft (6) penetrates through the fixed bottom plate (1) and is fixedly connected with the screw rod (8).
4. The sampling needle lifting assembly for a two-channel secondary thermal analyzer of claim 1, wherein: the rear side fixedly connected with two connecting rods (1002) of mounting panel (1001), screw thread groove (1003) have all been seted up to the upper end of connecting rod (1002), screw thread groove (1003) and lead screw (8) looks adaptation and threaded connection.
5. The sampling needle lifting assembly for a two-channel secondary thermal analyzer of claim 1, wherein: two guide blocks (1004) are fixedly connected to the left side and the right side of the support plate (1001), and guide grooves (1005) are formed in the rear sides of the guide blocks (1004).
6. The sampling needle lifting assembly for a two-channel secondary thermal analyzer of claim 1, wherein: the front side of the panel (503) is fixedly connected with two guide rails (9), and the guide rails (9) are matched with the guide grooves (1005).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322337272.8U CN220766356U (en) | 2023-08-30 | 2023-08-30 | Sampling needle lifting assembly for double-channel secondary thermal analysis instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322337272.8U CN220766356U (en) | 2023-08-30 | 2023-08-30 | Sampling needle lifting assembly for double-channel secondary thermal analysis instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220766356U true CN220766356U (en) | 2024-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322337272.8U Active CN220766356U (en) | 2023-08-30 | 2023-08-30 | Sampling needle lifting assembly for double-channel secondary thermal analysis instrument |
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| Country | Link |
|---|---|
| CN (1) | CN220766356U (en) |
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2023
- 2023-08-30 CN CN202322337272.8U patent/CN220766356U/en active Active
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