CN217180114U - Sample extractor for pharmaceutical experiment - Google Patents

Abstract

The utility model provides a pharmacy experiment sample injector. The pharmaceutical experiment sampler comprises: a carrier plate; the four supporting blocks are all fixedly arranged on the carrier plate; the four first screw rods are respectively installed on the four support blocks in a threaded manner; the four contact balls are fixedly arranged at the bottom ends of the four first screw rods respectively; the sealing box is fixedly arranged on the top of the carrier plate; the calibration liquid is arranged in the seal box; the tube body is slidably mounted on the support plate; and the second screw rod is arranged at the top of the pipe body in a threaded manner. The utility model provides a pharmacy experiment sampler has and can carry out the level calibration conveniently, and then is convenient for can once only, accurately extract required liquid medicine volume, and the dismouting test tube of being convenient for simultaneously is tested for extracting the liquid medicine many times and is brought great convenient advantage.

Description

Sample extractor for pharmaceutical experiment

Technical Field

The utility model relates to an experiment auxiliary equipment technical field especially relates to a pharmacy experiment sample injector.

Background

Pharmacy, the healthcare industry linking health sciences and chemical sciences, bears the responsibility of ensuring safe and effective use of drugs. The pharmacy mainly researches the source, processing, properties, effects, analysis, identification, blending, production, storage and search (including synthesis) of new drugs and the like of the drugs. In pharmaceutical experiments, the ratio of the liquid medicine needs to be researched by extracting samples for multiple times.

At present, when sampling is carried out in a pharmaceutical experiment, a mode of holding a sampling suction tube by hand to extract liquid medicine is often adopted to extract a sample, the mode is generally not collimation extraction, basically inclined extraction and approximately put in place, the extraction amount of the liquid medicine and the scale marks on a test tube are observed whether to meet the requirement, more liquid medicine is occasionally extracted and needs to be extruded, less liquid medicine needs to be continuously extracted, repeated calibration is carried out, the operation is tedious, the extraction accuracy is difficult, and the operation is not applicable when quantitative liquid medicine needs to be accurately extracted, and the accuracy of the experiment is also influenced; simultaneously when need draw the experiment or the same kind of liquid medicine need draw a lot of not the same volume and experiment to multiple liquid medicine, need a plurality of sampling suction pipes, when the sampling suction pipe was not enough, still need extract after the clean up again, comparatively influenced the experiment progress, brought certain inconvenience for follow-up experiment operation.

Therefore, there is a need to provide a new pharmaceutical laboratory sample extractor to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a can carry out horizontal calibration conveniently, and then be convenient for can once only, accurately extract required liquid medicine volume, the dismouting test tube of being convenient for simultaneously, carry out the experiment for extracting the liquid medicine many times and bring great convenient pharmacy experiment sampler.

In order to solve the technical problem, the utility model provides a sample ware is carried in pharmacy experiment includes: a carrier plate; the four supporting blocks are all fixedly arranged on the carrier plate; the four first screw rods are respectively installed on the four support blocks in a threaded manner; the four contact balls are fixedly arranged at the bottom ends of the four first screw rods respectively; the sealing box is fixedly arranged on the top of the carrier plate; the calibration liquid is arranged in the seal box; a tube body slidably mounted on the carrier plate; the second screw rod is installed at the top of the pipe body in a threaded mode; the round block is rotatably sleeved at the bottom end of the second screw rod; the piston is installed in the pipe body in a sliding and sealing mode, and the round block penetrates through the piston and is fixedly and hermetically connected with the piston; the convenient-to-detach replacing mechanism is arranged on the pipe body; and the adjusting and placing mechanism is arranged on the support plate and the pipe body.

Preferably, just, tear formula change mechanism open and include annular thread groove, annular sealing pad and sleeve pipe, annular thread groove sets up the bottom of body, annular sealing pad fixed mounting be in on the top inner wall of annular thread groove, the sleeve pipe screw thread is installed on the annular thread groove, just sheathed tube top with the bottom of annular sealing pad contacts.

Preferably, it includes connecting block, pinion rack, framework, pivot, gear, worm wheel and worm to adjust placement mechanism, connecting block fixed mounting be in on one side outer wall of body, pinion rack slidable mounting be in on the support plate, just one side outer wall pronunciation of pinion rack one side outer wall fixed connection of connecting block, framework fixed mounting be in the top of support plate, the pivot is rotated and is installed in the framework, the fixed cover of gear is established in the pivot, just the gear with the pinion rack meshes mutually, the fixed cover of worm wheel is established in the pivot, the worm rotates to be installed in the framework, just the worm with the worm wheel meshes mutually.

Preferably, the bottom ends of the four contact balls are fixedly provided with rubber resistance increasing pads, and the top ends of the four first screw rods are fixedly provided with first rotating handles.

Preferably, the top fixed mounting of second lead screw has the second turning handle, the bottom fixed mounting of circle piece has the stopper, just the top of stopper with the bottom of piston contacts, fixed cover is equipped with the spacing ring on the outer wall of circle piece, just the bottom of spacing ring with the top of piston contacts.

Preferably, the outer wall of the sleeve is provided with an external thread, the external thread is screwed with the inner wall of the annular thread groove, the outer wall of the sleeve is fixedly sleeved with a calibration ring, and the top of the calibration ring is contacted with the bottom end of the pipe body.

Preferably, the top of support plate has been seted up and has been dodged the hole, the pinion rack runs through dodge the hole and with dodge the inner wall sliding connection in hole, the worm is located one end fixed mounting outside the frame has the third turning handle.

Compared with the prior art, the utility model provides a pharmacy experiment sampling device has following beneficial effect:

the utility model provides a pharmacy experiment sample extraction device, through the support plate, first lead screw, calibration solution, the body, the second lead screw, a piston, annular thread groove, the annular seal pad, the sleeve pipe, the connecting block, the pinion rack, the framework, the apparatus further comprises a rotating shaft, a gear, worm wheel and worm etc. mutually support, can realize through with the sleeve pipe collimation screw in the annular thread groove on the body bottom, until the calibration ring on the sleeve pipe contacts with the bottom of body, the top of sleeve pipe and the contact of annular seal pad are inseparable this moment, can form better sealing, when the follow-up needs to extract multiple different volume or multiple different liquid medicine, need not clear elution sample extraction device, also need not use new sample extraction device, directly carry out convenient dismouting sleeve pipe of the same principle and can carry out extraction operation many times, bring great facility for the experiment; when the liquid medicine is accurately extracted in need, whether the calibration liquid on the seal box is parallel to the calibration line on the seal box or not is observed, when the calibration liquid is not parallel, the operation of conveniently and conveniently calibrating the horizontal position can be carried out by rotating the first screw rod in the corresponding direction, then the height of the liquid medicine is determined, in order to avoid the liquid medicine from immersing into the pipe body, the worm is driven to rotate by rotating the third rotating handle, finally the liquid medicine is conveniently adjusted to the position where the liquid medicine required to be extracted is lower than the corresponding scale mark on the sleeve, the second screw rod is driven to rotate by rotating the second rotating handle, the second screw rod drives the piston to slide upwards, according to the internal and external pressure difference, the liquid medicine is stable, aligned and slowly extracted into the sleeve, until the extracted liquid medicine reaches the corresponding scale mark on the required sleeve, the stand horse stops rotating the second screw rod, the one-time operation can be completed, and the required liquid medicine can be accurately extracted.

Drawings

FIG. 1 is a schematic front view of a cross-sectional structure of a preferred embodiment of a pharmaceutical sample injector provided in the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of a portion B shown in FIG. 1;

fig. 4 is a schematic side view of a frame of the sampling device for pharmaceutical experiment according to the present invention.

Reference numbers in the figures: 1. a carrier plate; 2. supporting a block; 3. a first lead screw; 4. contacting the ball; 5. a sealing box; 6. calibrating liquid; 7. a tube body; 8. a second lead screw; 9. a round block; 10. a piston; 11. an annular thread groove; 12. an annular seal; 13. a sleeve; 14. connecting blocks; 15. a toothed plate; 16. a frame body; 17. a rotating shaft; 18. a gear; 19. a worm gear; 20. a worm.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1-4, in a first embodiment of the present invention, a pharmaceutical experiment sampler includes: the carrier plate 1 is made of hard metal which is not easy to deform and bend; the four supporting blocks 2 are all fixedly arranged on the carrier plate 1; the four first screw rods 3 are respectively installed on the four support blocks 2 in a threaded manner; the four contact balls 4 are respectively and fixedly arranged at the bottom ends of the four first screw rods 3; the sealing box 5 is fixedly arranged at the top of the carrier plate 1, the sealing box 5 is made of transparent materials, a plurality of horizontal calibration lines are arranged on the outer wall of the sealing box 5, whether the calibration liquid 6 mentioned below is parallel to the horizontal calibration lines or not can be conveniently observed, and a user can conveniently know the horizontal condition of the carrier plate 1; the calibration liquid 6 is arranged in the seal box 5; the tube body 7 is slidably mounted on the support plate 1, and the four support blocks 2, the four first screw rods 3 and the four contact balls 4 are matched, so that when the calibration liquid 6 is not parallel to the calibration line on the seal box 5, the first screw rods 3 in the corresponding directions can be rotated to conveniently and horizontally calibrate; the second screw rod 8 is installed at the top of the pipe body 7 in a threaded mode; the round block 9 is sleeved at the bottom end of the second screw rod 8 in a rotating mode; the piston 10 is installed in the tube body 7 in a sliding and sealing mode, and the round block 9 penetrates through the piston 10 and is fixedly connected with the piston 10 in a sealing mode; the conveniently-disassembled replacing mechanism is arranged on the pipe body 7; and the adjusting and placing mechanism is arranged on the support plate 1 and the pipe body 7.

In order to realize the purposes of facilitating the disassembly, assembly and replacement of different sleeves 13, not needing to clean a sampler and using a new sampler when a plurality of different quantities or different liquid medicines need to be extracted, the easy-to-detach replacement mechanism comprises an annular thread groove 11, an annular sealing gasket 12 and a sleeve 13, the annular thread groove 11 is arranged at the bottom end of the tube body 7, the annular sealing gasket 12 is fixedly arranged on the inner wall of the top part of the annular thread groove 11, the annular sealing gasket 12 is arranged to play a role of further strengthening sealing so as to prevent the liquid medicine from being extracted, the liquid medicine can not rise stably, slowly and uniformly due to air leakage, the sleeve 13 is installed on the annular thread groove 11 in a threaded manner, the top end of the sleeve 13 is in contact with the bottom of the annular sealing gasket 12, the sleeve 13 is made of transparent materials, and the sleeve 13 is provided with scale marks.

In order to avoid the liquid medicine from immersing the tube body 7 according to the height of the liquid medicine, so that the liquid medicine is required to be cleaned when different types of liquid medicines are required to be extracted subsequently, the liquid medicine is prevented from being mixed, and meanwhile, in order to ensure that the amount of the liquid medicine required to be extracted is lower than the corresponding scale mark position on the sleeve 13, the adjusting and placing mechanism comprises a connecting block 14, a toothed plate 15, a frame body 16, a rotating shaft 17, a gear 18, a worm wheel 19 and a worm 20, the connecting block 14 is fixedly installed on the outer wall of one side of the tube body 7, the toothed plate 15 is slidably installed on the carrier plate 1, the outer wall of one side of the toothed plate 15 is used for making a voice, the outer wall of one side of the connecting block 14 is fixedly connected, a plurality of teeth which are uniformly distributed are fixedly installed on the outer wall of one side of the toothed plate 15, the frame body 16 is fixedly installed at the top of the carrier plate 1, the rotating shaft 17 is rotatably installed in the frame body 16, the gear 18 is fixedly sleeved on the rotating shaft 17, just gear 18 with pinion rack 15 meshes mutually, 19 fixed sleeves of worm wheel are established in pivot 17, worm 20 rotates to be installed on the framework 16, just worm 20 with 19 meshes mutually of worm wheel, and worm wheel 19 cooperatees with worm 20, can play better auto-lock effect, effectively prevents that body 7 from appearing sliding from top to bottom.

In order to prevent that four contact balls 4 from shifting easily after being placed, play the effect that increases resistance, four the equal fixed mounting in bottom of contact ball 4 has the rubber to increase and hinders the pad, four the equal fixed mounting in top of first lead screw 3 has first turning handle, and the setting of first turning handle plays the effect of being convenient for transfer first lead screw 3.

In order to allow the piston 10 to be mounted more tightly and ensure the sealing performance of the piston, a second rotating handle is fixedly mounted at the top end of the second screw rod 8, the second rotating handle is arranged to play a role of conveniently rotating the second screw rod 8, a limiting block is fixedly mounted at the bottom of the round block 9, the top of the limiting block is in contact with the bottom of the piston 10, a limiting ring is fixedly sleeved on the outer wall of the round block 9, and the bottom of the limiting ring is in contact with the top of the piston 10.

In order to conveniently know whether sleeve 13 straightly screws into annular thread groove 11 on body 7, whether sleeve 13 forms in close contact with annular sealing gasket 12 is conveniently known simultaneously, guarantee to play better leakproofness, external screw thread has been seted up on sleeve 13's the outer wall, just the external screw thread with annular thread groove 11's inner wall closes mutually soon, fixed cover is equipped with the calibration ring on sleeve 13's the outer wall, just the top of calibration ring is owing the bottom of body 7 contacts.

In order to facilitate turning the worm 20, further inject perpendicularly for body 7 and pinion rack 15 simultaneously, can reduce the sliding friction of the two simultaneously, the hole of dodging has been seted up at the top of support plate 1, pinion rack 15 runs through dodge the hole and with dodge the inner wall sliding connection in hole, worm 20 is located the outer one end fixed mounting of framework 16 has the third turning handle.

The utility model provides a pharmacy experiment sample lifting device's theory of operation as follows:

when the device is used, the sleeve 13 is screwed into the annular thread groove 11 on the bottom of the tube body 7 in an aligned manner until the alignment ring on the sleeve 13 is contacted with the bottom end of the tube body 7, and at the moment, the top end of the sleeve 13 is tightly contacted with the annular sealing gasket 12 to form better sealing;

when the liquid medicine needs to be extracted, firstly, horizontal calibration operation is carried out, after the device is placed, whether the calibration liquid 6 on the seal box 5 is parallel to the calibration line on the seal box 5 or not is observed, when the calibration liquid is not parallel, convenient calibration can be carried out by rotating the first screw rod 3 in the corresponding direction, then, according to the height of the liquid medicine, in order to avoid the liquid medicine from immersing the pipe body 7, the third rotating handle is rotated to drive the worm 20 to rotate, the worm 20 drives the worm wheel 19 to rotate, the worm wheel 19 drives the rotating shaft 17 to rotate, the rotating shaft 17 drives the gear 18 to rotate, the gear 18 drives the toothed plate 15 to correspondingly move, the toothed plate 15 drives the pipe body 7 to straightly slide until the liquid medicine to be extracted is conveniently adjusted to be lower than the position of the corresponding scale mark on the sleeve 13, according to the self-locking effect of the worm wheel 19 and the worm 20, the pipe body 7 cannot easily float up and down, height locking is completed, finally, the second rotating handle is rotated to drive the second screw rod 8 to rotate and lift, the second screw rod 8 drives the piston 10 to slide upwards, liquid medicine is stably, collimates and slowly pumped into the sleeve 13 according to the internal and external pressure difference until the pumped liquid medicine amount reaches the corresponding scale mark on the required sleeve 13, and the second screw rod 8 stops rotating immediately;

when a plurality of different quantities or different liquid medicines need to be extracted, a sample extractor does not need to be cleaned and eluted at the moment, a new sample extractor does not need to be used, the sleeve 13 can be directly assembled and disassembled conveniently in the same way, and multiple times of extraction operation can be carried out, so that great convenience is brought to the experiment.

Compared with the prior art, the utility model provides a pharmacy experiment sampling device has following beneficial effect:

the utility model provides a pharmacy experiment sample extraction device, through support plate 1, first lead screw 3, calibration solution 6, body 7, second lead screw 8, piston 10, annular thread groove 11, annular sealing gasket 12, sleeve pipe 13, connecting block 14, pinion rack 15, framework 16, pivot 17, gear 18, worm wheel 19 and worm 20 etc. mutually support, can realize through with sleeve pipe 13 with screw in annular thread groove 11 on body 7 bottom collimates, until the calibration ring on sleeve pipe 13 contacts with the bottom of body 7, the top of sleeve pipe 13 and annular sealing gasket 12 contact closely this moment, can form better sealed, when follow-up needs to extract multiple different volume or multiple different liquid medicine, need not to clear the sample extraction device, also need not to use new sample extraction device, directly carry out the convenient dismouting sleeve pipe 13 of the same principle and can carry out extraction operation many times, bring great convenience for the experiment; when the liquid medicine needs to be accurately extracted, by observing whether the calibration liquid 6 on the seal box 5 is parallel to the calibration line on the seal box 5, when the two screws are not parallel, the first screw rod 3 in the corresponding direction can be rotated to conveniently and horizontally calibrate the screws, then according to the height of the liquid medicine, in order to avoid the liquid medicine from immersing the tube body 7, the third rotating handle is rotated to drive the worm 20 to rotate, finally the liquid medicine to be extracted is conveniently adjusted to be lower than the corresponding position of the scale mark on the sleeve 13, finally the second rotating handle is rotated to drive the second screw rod 8 to rotate upwards, the second screw rod 8 drives the piston 10 to slide upwards, according to the difference between the internal pressure and the external pressure, the liquid medicine is stably, collimates and slowly pumped into the sleeve 13 until the pumped liquid medicine reaches the corresponding scale mark on the required sleeve 13, and the second screw rod 8 stops rotating immediately, so that the required liquid medicine can be pumped out accurately at one time.

It should be noted that the device structure and the accompanying drawings of the present invention mainly describe the principle of the present invention, and in the technology of this design principle, the settings of the power mechanism and the control system of the device are not completely described, and those skilled in the art can clearly know the specifics of the power mechanism and the control system thereof on the premise that those skilled in the art understand the principle of the present invention.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (7)

1. A pharmaceutical laboratory sample injector, comprising:

a carrier plate;

the four supporting blocks are all fixedly arranged on the carrier plate;

the four first screw rods are respectively installed on the four support blocks in a threaded manner;

the four contact balls are fixedly arranged at the bottom ends of the four first screw rods respectively;

the sealing box is fixedly arranged on the top of the carrier plate;

the calibration liquid is arranged in the seal box;

the tube body is slidably mounted on the support plate;

the second screw rod is installed at the top of the pipe body in a threaded mode;

the round block is rotatably sleeved at the bottom end of the second screw rod;

the piston is installed in the pipe body in a sliding and sealing mode, and the round block penetrates through the piston and is fixedly and hermetically connected with the piston;

the convenient-to-detach replacing mechanism is arranged on the pipe body;

and the adjusting and placing mechanism is arranged on the support plate and the pipe body.

2. The pharmaceutical experiment sampler according to claim 1, wherein the easy-to-detach replacing mechanism comprises an annular thread groove, an annular sealing gasket and a sleeve, the annular thread groove is arranged at the bottom end of the pipe body, the annular sealing gasket is fixedly arranged on the inner wall of the top of the annular thread groove, the sleeve is arranged on the annular thread groove in a threaded manner, and the top end of the sleeve is in contact with the bottom of the annular sealing gasket.

3. The pharmaceutical experiment sampler according to claim 1, wherein the adjusting and placing mechanism comprises a connecting block, a toothed plate, a frame, a rotating shaft, a gear, a worm wheel and a worm, the connecting block is fixedly mounted on an outer wall of the tube body, the toothed plate is slidably mounted on the support plate, and the outer wall of one side of the toothed plate is connected to the outer wall of one side of the connecting block, the frame is fixedly mounted on the top of the support plate, the rotating shaft is rotatably mounted in the frame, the gear is fixedly sleeved on the rotating shaft, the gear is meshed with the toothed plate, the worm wheel is fixedly sleeved on the rotating shaft, the worm is rotatably mounted on the frame, and the worm is meshed with the worm wheel.

4. The pharmaceutical experiment sampler according to claim 1, wherein the bottom ends of the four contact balls are fixedly provided with rubber resistance increasing pads, and the top ends of the four first lead screws are fixedly provided with first rotating handles.

5. The pharmaceutical experiment sampler according to claim 1, wherein the top end of the second screw is fixedly provided with a second rotating handle, the bottom of the round block is fixedly provided with a limiting block, the top of the limiting block is in contact with the bottom of the piston, the outer wall of the round block is fixedly sleeved with a limiting ring, and the bottom of the limiting ring is in contact with the top of the piston.

6. The pharmaceutical experiment sampler according to claim 2, wherein the outer wall of the casing is provided with an external thread, the external thread is screwed with the inner wall of the annular thread groove, the outer wall of the casing is fixedly sleeved with a calibration ring, and the top of the calibration ring is contacted with the bottom end of the tube body.

7. The pharmaceutical experiment sampler according to claim 3, wherein an avoiding hole is formed in the top of the carrier plate, the toothed plate penetrates through the avoiding hole and is in sliding connection with the inner wall of the avoiding hole, and a third rotating handle is fixedly mounted at one end of the worm outside the frame body.

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