CN218445311U - Automatic headspace sample injector - Google Patents
Automatic headspace sample injector Download PDFInfo
- Publication number
- CN218445311U CN218445311U CN202222579532.8U CN202222579532U CN218445311U CN 218445311 U CN218445311 U CN 218445311U CN 202222579532 U CN202222579532 U CN 202222579532U CN 218445311 U CN218445311 U CN 218445311U
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- fixedly connected
- headspace
- main part
- limiting
- equipment principal
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- 230000008859 change Effects 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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Abstract
The utility model relates to a headspace sample injector technical field, concretely relates to automatic change headspace sample injector, including the equipment principal, fixed surface is connected with the connecting pipe on the equipment principal, the equipment principal upper surface is close to connecting pipe rigidity and is connected with the data line, equipment principal surface swing joint has the needle, the equipment principal surface with the needle corresponds position embedding swing joint and has the holding down plate, the equipment principal both sides equal fixedly connected with in surface is spacing, spacing opposite side surface block is connected with the block door, the inside block of equipment principal is connected with the fan. The utility model discloses in, after solving the sample testing and ending, still need one of workman take out the headspace bottle, the large batch that can not be quick takes out the headspace bottle, leads to workman's detection efficiency to receive the problem of influence, and the clamp plate resets under reset spring's elasticity effect after the loose hand.
Description
Technical Field
The utility model relates to a headspace sample injector technical field, concretely relates to automatic headspace sample injector.
Background
The headspace sampler is characterized in that a sample to be detected is placed in a closed headspace bottle, volatile components are volatilized from a sample matrix through heating and warming, balance is achieved in a gas-liquid (or gas-solid) two phase, and gas in the headspace bottle is directly extracted for chromatographic analysis;
some technical solutions related to headspace sampler also appear in the prior art, such as application No.: 202220446689.0; the recorded full-automatic headspace sample injector with the sample plates positioned automatically comprises a sample injector main body, a heating position and a movable clamping mechanism, wherein a needle is arranged at the upper end of the front side of the sample injector main body, a driving motor is arranged at one end of the front side of the sample injector main body, two sample adjusting plates are arranged at the lower end of the front side of the sample injector main body in a manner of being close to the inside of the sample injector main body, a plurality of headspace bottles are arranged at the heating position in an equidistant manner, a first fluted disc is arranged at one end of the driving motor, a supporting column is fixedly connected to the vertical direction of the two sample adjusting plates in a manner of being close to the center, and a second fluted disc is arranged at the lower end of the supporting column in a manner of being close to the outside;
above-mentioned device can reduce the workman and the headspace bottle direct contact after the heating, guarantees the inside temperature of headspace bottle, and can reduce the position conflict between heating position and the sample dish, has guaranteed the stable location of sample dish simultaneously, but after sample testing ended, still need one of workman take out the headspace bottle, the large batch that can not be quick takes out the headspace bottle, leads to workman's detection efficiency to receive the influence.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at: in order to solve the problem that after the existing device finishes sample detection, workers need to take out headspace bottles one by one, so that the detection efficiency of the workers is affected due to the fact that the headspace bottles cannot be taken out quickly in large batches, an automatic headspace sample injector is provided.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides an automatic change headspace sample injector, includes the equipment principal, fixed surface is connected with the connecting pipe on the equipment principal, the equipment principal upper surface is close to connecting pipe position fixedly connected with data line, equipment principal surface swing joint has the needle, the equipment principal surface with the needle corresponds position embedding swing joint and has the holding down plate, the equal fixedly connected with spacing of equipment principal both sides surface, spacing opposite side surface block is connected with the block door, the inside block of equipment principal is connected with the fan, the inside fixedly connected with resistance wire hot plate of equipment principal, the below fixedly connected with motor of needle pricks, the output fixedly connected with carousel of motor, the upper surface of holding down plate is close to central point and puts embedding fixedly connected with rotary disk, rotary disk upper surface embedding is connected with the headspace bottle.
Further, the method comprises the following steps: the equipment main part front surface and the block door correspond the position and have seted up the mounting groove, the inner wall fixedly connected with slide rail of mounting groove, the fan passes through slide rail and equipment main part sliding connection.
Further, the method comprises the following steps: through holes are formed in the positions, close to the edges of the two sides, of the upper surface of the lower pressing plate, and placing holes are formed in the upper surface of the rotating disc.
Further, the method comprises the following steps: the clamping door is characterized in that sliding grooves are formed in the surfaces of two sides of the clamping door, a limiting block is fixedly connected to the surface of the other side of the limiting strip, the sliding grooves are connected with the limiting block in a sliding mode, a limiting stud is connected to the surface of one side of the limiting strip in a threaded mode, and one end of the limiting stud is in close contact with the clamping door.
Further, the method comprises the following steps: the lower pressing plate is connected with the equipment main body in a sliding mode, and sliding blocks are fixedly connected to the positions, close to four corners, of the outer surface of the lower pressing plate.
Further, the method comprises the following steps: the upper surface of the limiting strip is fixedly connected with a limiting column, the limiting column is inserted into the through hole, and the outer surface of the limiting column is connected with a reset spring in a nested mode.
Further, the method comprises the following steps: the upper surface of the rotary table is fixedly connected with a connecting rod, and the connecting rod is inserted into the placing hole.
The utility model has the advantages that:
1. the headspace bottle is inserted into the placing hole through the arranged placing groove and the rotating disc, then the resistance wire heating plate and the fan are started, the resistance wire heating plate heats the installing groove, the fan enables air turbulence inside the installing groove, meanwhile, the motor drives the rotating disc to rotate, the rotating disc is driven to rotate through the connecting rod, the headspace bottle is further enabled to do circular motion by taking the line of the output shaft of the motor as the axis, the headspace bottle is enabled to be heated uniformly, and volatile components are convenient to volatilize from the sample base body;
2. through the holding down plate that sets up, when taking out the headspace bottle, press the holding down plate downwards, holding down plate cooperation sliding block slides down along equipment principal, and extrude reset spring at gliding in-process, make reset spring shrink, the synchronous decline of rotary disk this moment, further make the headspace bottle spill the part of rotary disk and increase, the workman of being convenient for takes a plurality of headspace bottles simultaneously, thereby after solving sample detection and finishing, still need one of workman take out the headspace bottle, the large batch that can not be quick takes out the headspace bottle, lead to workman's detection efficiency to receive the problem of influence.
Drawings
The present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the main body of the device of the present invention;
fig. 3 is a schematic view of the inside of the main body of the apparatus of the present invention;
fig. 4 is a schematic view of the half-section structure of the lower pressing plate of the present invention.
In the figure: 1. an apparatus main body; 101. mounting grooves; 102. a connecting pipe; 103. a data line; 104. a slide rail; 2. pricking; 3. a lower pressing plate; 301. a through hole; 302. rotating the disc; 303. placing holes; 4. clamping the door; 401. a chute; 5. a limiting strip; 501. a limiting stud; 502. a limiting post; 503. a limiting block; 504. a return spring; 6. a fan; 7. heating the resistance wire; 8. a motor; 801. a turntable; 802. a connecting rod; 9. a headspace bottle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, an automatic headspace sample injector comprises an apparatus main body 1, a connecting pipe 102 is fixedly connected to the upper surface of the apparatus main body 1, a data line 103 is fixedly connected to the upper surface of the apparatus main body 1 near the connecting pipe 102, the connecting pipe 102 and the data line 103 are connected to a gas chromatograph during use, a needle 2 is movably connected to the outer surface of the apparatus main body 1, a lower pressing plate 3 is movably connected to the outer surface of the apparatus main body 1 and the needle 2 at positions corresponding to each other, through holes 301 are respectively formed in the upper surface of the lower pressing plate 3 near the edges of both sides, a placing hole 303 is formed in the upper surface of a rotating disk 302, a limiting strip 5 is fixedly connected to the surface of both sides of the apparatus main body 1, a clamping door 4 is clamped to the surface of the other side of the limiting strip 5, a fan 6 is clamped to the inside of the apparatus main body 1, and a resistance wire heating plate 7 is fixedly connected to the inside of the apparatus main body 1, the below fixedly connected with motor 8 of pricking needle 2, motor 8's output fixedly connected with carousel 801, the upper surface of holding down plate 3 is close to central point and puts embedding fixedly connected with rotary disk 302, rotary disk 302 upper surface embedding is connected with head space bottle 9, surface fixedly connected with connecting rod 802 on the carousel 801, connecting rod 802 inserts in placing the hole 303, insert head space bottle 9 in placing the hole 303, start resistance wire hot plate 7 and fan 6 after that, resistance wire hot plate 7 heats mounting groove 101, fan 6 makes the inside air turbulence of mounting groove 101, motor 8 drives carousel 801 rotatory simultaneously, and carousel 801 is by driving rotary disk 302 rotatory through connecting rod 802, further make head space bottle 9 use the output shaft of motor 8 to do circular motion along the line as the axle, make head space bottle 9 be heated evenly, be convenient for volatile component volatilizees from the sample base member.
The lower pressing plate 3 is connected with the equipment main body 1 in a sliding mode, sliding blocks are fixedly connected to the outer surface of the lower pressing plate 3, the outer surface of each limiting strip 5 is close to four corners, limiting columns 502 are fixedly connected to the upper surfaces of the limiting columns 502 and inserted into the through holes 301, reset springs 504 are connected to the outer surfaces of the limiting columns 502 in a nested mode, the lower pressing plate 3 is pressed downwards, the lower pressing plate 3 is matched with the sliding blocks to slide downwards along the equipment main body 1, the reset springs 504 are extruded in the sliding process, the reset springs 504 shrink, the rotating disks 302 descend synchronously, the number of the parts of the overhead bottles leaking out of the rotating disks 302 is further increased, workers can conveniently take a plurality of overhead bottles 9 at the same time, and therefore after sample detection is finished, the overhead bottles 9 are required to be taken out by one worker, the overhead bottles 9 cannot be taken out rapidly and in large batch, and detection efficiency of the workers is affected.
The working principle is as follows: in use, the connection tube 102 and the data line 103 are first connected to the gas chromatograph, the headspace bottle 9 is inserted into the placement hole 303, then the resistance wire heating plate 7 and the fan 6 are started, the resistance wire heating plate 7 heats the installation groove 101, the fan 6 makes the air inside the installation groove 101 turbulent, simultaneously the motor 8 drives the turntable 801 to rotate, the rotating disc 801 drives the rotating disc 302 to rotate through the connecting rod 802, so that the headspace bottle 9 further makes a circular motion by taking the output shaft of the motor 8 as an axis, the headspace bottle 9 is heated uniformly, volatile components are volatilized from the sample matrix conveniently, then the puncture needle 2 is pulled downwards, the gas in the headspace bottle 9 is pumped into the gas chromatograph through the puncture needle 2, when the components in the equipment installation groove 101 are overhauled, the limit stud 501 is rotated, the latch door 4 is pulled outward, the latch door 4 is separated from the apparatus body 1, and then the fan 6 is drawn outward along the slide rail 104, the turntable 801, the motor 8 and the resistance wire heating plate 7 can be leaked out, further providing an operation space for maintenance personnel to the components, when the headspace bottle 9 is taken out, the lower pressing plate 3 is pressed downwards, the lower pressing plate 3 is matched with the sliding block to slide downwards along the device main body 1, and the return spring 504 is pressed in the process of sliding downwards to contract the return spring 504, at the moment, the rotating disc 302 synchronously descends, the part of the headspace bottles 9 leaking out of the rotating disc 302 is further increased, a worker can conveniently take a plurality of headspace bottles 9 at the same time, thereby solve after the sample testing, still need the workman one to take out headspace bottle 9, can not quick large batch take out headspace bottle 9, lead to workman's detection efficiency to receive the problem of influence, push down plate 3 resets under the elasticity effect of reset spring 504 after the loose hand.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.
Claims (7)
1. The utility model provides an automatic change headspace sample injector, includes equipment main part (1), its characterized in that, fixed surface is connected with connecting pipe (102) on equipment main part (1), equipment main part (1) upper surface is close to connecting pipe (102) position fixedly connected with data line (103), equipment main part (1) surface swing joint has needle (2), equipment main part (1) surface with needle (2) correspond position embedding swing joint and have holding down plate (3), equipment main part (1) both sides equal fixedly connected with spacing (5) in surface, spacing (5) opposite side surface block is connected with block door (4), the inside block of equipment main part (1) is connected with fan (6), the inside fixedly connected with resistance wire hot plate (7) of equipment main part (1), the below fixedly connected with motor (8) of needle (2), the output fixedly connected with carousel (801) of motor (8), the upper surface of holding down plate (3) is close to central point embedding rotary disk (302), rotary disk (302) upper surface embedding headspace bottle (9).
2. The automatic headspace sampler according to claim 1, wherein the front surface of the main body (1) and the corresponding position of the clamping door (4) are provided with mounting grooves (101), the inner wall of the mounting groove (101) is fixedly connected with slide rails (104), and the fan (6) is slidably connected with the main body (1) through the slide rails (104).
3. The automated headspace sampler according to claim 1, wherein the upper surface of the lower plate (3) has through holes (301) near both edges, and the upper surface of the rotating disc (302) has placing holes (303).
4. The automatic headspace sampler according to claim 1, wherein sliding grooves (401) are formed in both side surfaces of the latching door (4), a limiting block (503) is fixedly connected to the other side surface of the limiting strip (5), the sliding grooves (401) are slidably connected with the limiting block (503), a limiting stud (501) is threadedly connected to one side surface of the limiting strip (5), and one end of the limiting stud (501) is in close contact with the latching door (4).
5. The automated headspace sampler according to claim 1, wherein the lower plate (3) is slidably connected to the main body (1), and sliding blocks are fixedly connected to the outer surface of the lower plate (3) at positions near four corners.
6. The automated headspace sampler according to claim 3, wherein a limiting column (502) is fixedly connected to the upper surface of the limiting strip (5), the limiting column (502) is inserted into the through hole (301), and a return spring (504) is connected to the outer surface of the limiting column (502) in a nested manner.
7. The automated headspace sampler according to claim 3, wherein a connecting rod (802) is fixedly connected to the upper surface of the rotary plate (801), and the connecting rod (802) is inserted into the placing hole (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222579532.8U CN218445311U (en) | 2022-09-28 | 2022-09-28 | Automatic headspace sample injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222579532.8U CN218445311U (en) | 2022-09-28 | 2022-09-28 | Automatic headspace sample injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218445311U true CN218445311U (en) | 2023-02-03 |
Family
ID=85083124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222579532.8U Expired - Fee Related CN218445311U (en) | 2022-09-28 | 2022-09-28 | Automatic headspace sample injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218445311U (en) |
-
2022
- 2022-09-28 CN CN202222579532.8U patent/CN218445311U/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: 20230203 |