CN114778208A - Medicine quality inspection sampling device based on centrifugation principle - Google Patents

Abstract

The invention relates to the technical field of medicine quality inspection, in particular to a medicine quality inspection sampling device based on a centrifugal principle. The technical problem is as follows: utilize the compressed mode of piston to discharge the syrup in the sampling tube, can cause the too much volume of remaining influence taking out of syrup in the sampling tube, can't reach quantitative effect to the syrup of taking out, can cause the error to follow-up testing result. The utility model provides a medicine quality inspection sampling device based on centrifugation principle, is provided with supplementary row's material subassembly including the sampling mechanism on the sampling mechanism, and the right part of sampling mechanism is provided with collects the subassembly. According to the device, the sampling mechanism is used for realizing the effect of quick sampling, redundant syrup can be discharged every time the syrup is extracted, the sampling mechanism is used for realizing the quantitative effect of the syrup, the precision of subsequent detection is improved, the auxiliary discharging assembly is used for realizing the better syrup discharging effect, the collection assembly is used for facilitating sampling of operators, the working operation of the whole device is convenient, and the complexity of the traditional sampling process is simplified.

Description

Medicine quality inspection sampling device based on centrifugation principle

Technical Field

The invention relates to the technical field of medicine quality inspection, in particular to a medicine quality inspection sampling device based on a centrifugal principle.

Background

When people have cough or throat inflammation, some syrup is generally taken to relieve throat pain, and in the existing syrup making process, in order to ensure the quality of syrup production, the syrup in the production process is generally sampled so as to detect the quality of the syrup.

Present when taking a sample to the syrup, sample through the syrup in current sampling equipment to the holding vessel usually, and the syrup of taking out can get into in current sampling equipment's the sampling tube, because the syrup has certain consistency, and when discharging the syrup in the sampling tube with current sampling equipment, utilize the mode of piston compression usually, discharge the syrup in the sampling tube, the piston extrusion can be pressed the syrup between the inner wall of piston and sampling tube, so can make the excessive syrup that becomes in the sampling tube and remain, the volume of taking out can be influenced in the remaining of syrup, can't reach quantitative effect to the syrup of taking out, can cause the error to follow-up testing result.

In order to solve the technical problems, a medicine quality inspection sampling device with a quantitative function based on a centrifugal principle is provided.

Disclosure of Invention

In order to overcome the defect that the syrup in the sampling cylinder is discharged in a piston compression mode, the excessive syrup residue in the sampling cylinder influences the taking amount, the quantitative effect on the taken syrup cannot be achieved, and the error of a subsequent detection result can be caused, the medicine quality inspection sampling device based on the centrifugal principle and having the quantitative function is provided.

The technical implementation scheme of the invention is as follows: the utility model provides a medicine quality inspection sampling device based on centrifugation principle, which comprises a bracket, the rigid coupling has the storage appearance jar on the support, the sample connection has been seted up to the right part of storage appearance jar upper surface, the upper portion rigid coupling of storage appearance jar right flank has L shape branch, the upside of L shape branch right part is provided with sampling mechanism, sampling mechanism is used for the quantitative extraction of storage appearance jar interior syrup, the last supplementary row of being provided with of sampling mechanism expects the subassembly, be provided with the collection subassembly on the L shape branch, the supplementary syrup that arranges in the material subassembly supplementary sampling mechanism of arranging emits into and collects the subassembly, sampling mechanism and collection subassembly cooperation, a collection for syrup in the sampling mechanism.

Preferably, the sampling mechanism comprises a guide sleeve, the guide sleeve is fixedly connected to the upper side of the right part of the L-shaped support rod, two symmetrical first guide grooves are formed in the left part of the inner side surface of the guide sleeve, a first discharge hole is formed in the lower side of the left part of the guide sleeve, two arc-shaped blocks are symmetrically arranged in the front and back directions, the left parts of the two arc-shaped blocks are fixedly connected with the right part of the guide sleeve respectively, the right parts of the two arc-shaped slides are fixedly connected with the left part of the guide sleeve respectively, the left parts of the two arc-shaped slides penetrate through a sampling port in the sample storage tank, the lower sides of the left parts of the two arc-shaped slides are located in the sample storage tank, L-shaped slide grooves are formed in the inner parts of the two arc-shaped slides, the right parts of the L-shaped slide grooves in the two arc-shaped slides are communicated with the left parts of the adjacent first guide grooves respectively, a notch is formed in the upper part of the guide sleeve, and a first limiting plate is arranged between the two arc-shaped blocks in a sliding manner, the first limiting plate is connected with a notch on the guide sleeve in a sliding manner, a rectangular handle is fixedly connected to the upper part of the first limiting plate, a through groove is formed in the lower part of the first limiting plate, a first sleeve is rotationally arranged in the through groove in the lower part of the first limiting plate, an annular handle is fixedly connected to the right part of the outer side surface of the first sleeve, a blind hole is formed in the upper side of the middle part of the first sleeve, a first limiting rod is arranged in the blind hole of the first sleeve in a sliding manner, a first spring is fixedly connected between the first limiting rod and the first sleeve, the first spring is positioned in the blind hole in the first sleeve, a limiting groove is formed in the lower part of the first limiting plate, the upper part of the first limiting rod is hemispherical, the upper part of the first limiting rod is matched with the limiting groove of the first limiting plate, a sliding groove is formed in the left part of the first sleeve, a second sleeve is rotationally arranged in the sliding groove in the first sleeve, a third sleeve is fixedly connected to the left part of the second sleeve, and right side surfaces of the third sleeve are provided with vent holes, a torsion spring is fixedly connected between the right side surface of the third sleeve and the left side surface of the first sleeve, the torsion spring is sleeved outside the second sleeve, a thread groove is formed in the middle of the first sleeve, a second limiting rod is connected with the thread groove in the first sleeve in an internal thread manner, the second limiting rod penetrates through the second sleeve and is in sliding connection with the second sleeve, the second limiting rod penetrates through the right part of the third sleeve and is in sliding connection with the third sleeve, two sliding grooves which are symmetrical up and down are formed in the inner side surface of the third sleeve, a second limiting plate is connected with the two sliding grooves in the third sleeve in a sliding manner, the second limiting plate is fixedly connected with the left part of the second limiting rod in a sliding manner, a third limiting plate is connected with the two sliding grooves in the third sleeve in a sliding manner, the third limiting plate is positioned on the left side of the second limiting plate, a second spring is fixedly connected between the third limiting plate and the second limiting plate, a third limiting rod is fixedly connected with the left side surface of the third limiting plate, the third limiting rod penetrates through the left part of the third sleeve and is in a sliding connection with the third limiting rod, the left part of the third limiting rod is provided with a sampling component for assisting sampling and discharging.

Preferably, the sampling component comprises a rotating sleeve, the rotating sleeve is sleeved at the left part of the third limiting rod and is in sliding connection with the third limiting rod, the left part of the rotating sleeve is fixedly connected with a first piston, the left part of the third limiting rod is fixedly connected with a second piston, the first piston is the same as the second piston, the left part of the rotating sleeve is rotatably provided with the sampling sleeve, the first piston and the second piston are both positioned in the sampling sleeve, the left part of the sampling sleeve is circumferentially provided with a plurality of feed inlets, the middle part of the sampling sleeve is provided with three second discharge outlets, the right side surface of the sampling sleeve is fixedly connected with a fourth sleeve, the upper part in the fourth sleeve is fixedly connected with a fourth limiting plate, the fourth limiting plate is rotatably connected with the rotating sleeve, the third limiting rod is fixedly connected with a first limiting block, the upper part of the rotating sleeve is provided with a chute, the lower part of the fourth limiting plate is provided with a chute, the length of the chute on the rotating sleeve is greater than that of the chute on the fourth limiting plate, spout sliding connection on first stopper and the rotating sleeve, spout sliding connection on first stopper and the fourth limiting plate, a plurality of bin outlet has been seted up to sampling sleeve's left part circumference, a plurality of bin outlet all is located the right part of a plurality of feed inlet, a plurality of bin outlet all is located the left part of three second discharge gate, be provided with the check valve in a plurality of discharge gate respectively, fourth gag lever post front and back symmetry is provided with two, the inside portion of two fourth gag lever posts respectively with the left part rigid coupling of sampling sleeve lateral surface, the outside portion of two fourth gag lever posts respectively with the spacing cooperation of adjacent second guide way, be provided with between first piston and the second piston and be used for the discharged row's material subassembly of syrup, first piston, the second piston, sampling sleeve and feed inlet cooperation, a sample for the syrup.

Preferably, the opening pressure of the one-way valves in the plurality of discharge openings is high, and the opening pressure is used for increasing the pressure of the syrup between the first piston and the second piston.

Preferably, the first piston and the second piston are both made of elastic materials, and are used for increasing the sealing performance between the first piston and the sampling sleeve and between the second piston and the sampling sleeve.

Preferably, three sets of chutes are opened on the left side surface of the first piston, three sets of protrusions are arranged on the right side surface of the second piston, three sets of chutes on the first piston are matched with three sets of protrusions on the second piston, and the three sets of chutes on the first piston and the three sets of protrusions on the second piston are both in fan-shaped distribution and used for discharging syrup.

Preferably, arrange the material subassembly including impeller, impeller bilateral symmetry is provided with two, the through-hole has all been seted up at two impeller's middle part, two impeller all overlap the left part at the third gag lever post and rather than sliding connection, the sampling sleeve inner wall is all hugged closely to two impeller lateral surfaces, special-shaped spout has all been seted up to first piston and second piston medial part, the special-shaped spout sliding connection of left impeller and second piston, the impeller on right side and the special-shaped spout sliding connection of first piston, special-shaped spout and a plurality of feed inlet on the second piston are crisscross, first piston and second piston respectively with adjacent impeller between the rigid coupling have the third spring, two third springs all overlap the left part at the third gag lever post, first piston, second piston and impeller cooperation, be used for the discharge of syrup.

Preferably, the auxiliary discharging assembly comprises a pressure reducing sleeve, the pressure reducing sleeve is rotatably connected to the middle of the outer side surface of the sampling sleeve, the pressure reducing sleeve is slidably connected with the guide sleeve, three third discharging ports are circumferentially formed in the inner surface of the pressure reducing sleeve, a discharging cavity is formed in the middle of the pressure reducing sleeve and is communicated with the three third discharging ports, a fourth discharging port is formed in the outer side part of the pressure reducing sleeve and is communicated with the discharging cavity, the fourth discharging port is matched with the first discharging port, two second limiting blocks are symmetrically arranged in the front and at the back of each second limiting block, the two second limiting blocks are respectively and fixedly connected to the outer side surface of the pressure reducing sleeve, the two second limiting blocks are respectively and slidably matched with the adjacent first guide grooves, a fifth sleeve is fixedly connected to the upper part of the right side surface of the pressure reducing sleeve, and is positioned on the upper parts of the sampling sleeve and the fourth sleeve, the fifth sleeve is communicated with the discharge cavity, the right side face of the fifth sleeve is provided with an air vent, the right part of the fifth sleeve is provided with an L-shaped limiting rod in a sliding mode, the front side of the upper part of the fourth sleeve is provided with a sliding groove, the lower side of the right part of the L-shaped limiting rod is connected with the sliding groove in the fourth sleeve in a sliding mode, the left part of the L-shaped limiting rod is fixedly connected with a third piston, the third piston is located in the fifth sleeve, and the first piston, the second piston and the discharge cavity are matched for improving the precision of follow-up detection.

Preferably, the decompression sleeve is made of a rubber material, so that the sealing performance between the decompression sleeve and the guide sleeve is improved.

Preferably, the collection subassembly is including the connecting plate, the connecting plate rigid coupling is on L shape branch, the connecting plate is located guide sleeve's downside, the spout has been seted up to the left part of connecting plate, it is provided with the slide bar to slide in the spout of connecting plate, the upper portion rigid coupling of slide bar has the support base, the rigid coupling has the fourth spring between support base and the connecting plate, the fourth spring housing is established on the upper portion of slide bar, the upper portion of supporting the base is provided with the storage sample bottle, the left side of guide sleeve lower part is provided with the connector, connector and first discharge gate intercommunication, connector and storage sample bottle upper portion screw-thread fit, the slide bar, support the base, fourth spring and storage sample bottle cooperation, make things convenient for operating personnel to take a sample.

The beneficial effects of the invention are: the invention quickly pumps syrup in a sample storage tank into a sampling sleeve from a plurality of feed inlets through the negative pressure between a first piston and a second piston in a sampling mechanism, realizes the effect of quick sampling, when the pressure of the syrup between the first piston and the second piston in the sampling mechanism reaches a certain value, a plurality of check valves in discharge ports are opened, partial syrup between the first piston and the second piston is discharged from dry discharge ports, redundant syrup is discharged every time the syrup is extracted, thereby realizing the effect of quantifying the syrup, improving the precision of subsequent detection, a torsion spring in the sampling mechanism is quickly reset, two stirring impellers are instantly rotated clockwise for two circles, the syrup between the first piston and the second piston is thrown out, and the centrifugal force is provided by the extrusion of the first piston and the second piston and the rotation of the two stirring impellers, avoided the transitional extrusion of first piston and second piston to the syrup, better discharge effect has been realized, through the high pressure between first piston and the second piston, and the negative pressure of arranging between the material cavity forms big pressure difference, better syrup discharge effect has been realized, improve the precision of follow-up detection, rotate the back of taking off through the storage bottle among the collection subassembly, the fourth spring resets, it drives the slide bar and resets to support the base, operating personnel puts into the interior convenient next sample of support end with new sampling bottle, the in-process of whole device work only relates to operating personnel's pulling and rotation, and be difficult for persisting the syrup in the sampling mechanism, the complexity of traditional sampling process has been simplified, better sample effect has been realized.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial sectional view of a three-dimensional structure of the present invention.

Fig. 3 is an enlarged perspective view of the invention at a in fig. 2.

FIG. 4 is a partial cross-sectional view of a first embodiment of a sampling mechanism according to the present invention.

FIG. 5 is a partial cross-sectional view of a second alternate embodiment of a sampling mechanism according to the present invention.

Fig. 6 is an enlarged perspective view of the invention at B in fig. 5.

Fig. 7 is an enlarged perspective view of the point C in fig. 5 according to the present invention.

FIG. 8 is a partial cross-sectional view of a third alternative embodiment of a sampling mechanism according to the present invention.

Fig. 9 is a partial schematic perspective view of a sampling mechanism according to the present invention.

Fig. 10 is a partial cross-sectional view of a three-dimensional structure of an auxiliary discharge assembly of the present invention.

Fig. 11 is an enlarged perspective view of fig. 10 at D according to the present invention.

Fig. 12 is a partial cross-sectional view of another alternative embodiment of the auxiliary discharge assembly of the present invention.

Fig. 13 is a partial cross-sectional view of a three-dimensional structure of a collection assembly of the present invention.

Reference numbers in the figures: 1-support, 2-sample storage tank, 3-L-shaped support rod, 4-sampling mechanism, 401-guiding sleeve, 4011-first guiding groove, 4012-first discharge port, 402-arc block, 403-arc slideway, 4031-second guiding groove, 404-first limiting plate, 405-first sleeve, 406-first limiting rod, 407-first spring, 408-second sleeve, 409-third sleeve, 410-torsion spring, 411-second limiting rod, 412-second limiting plate, 414-third limiting plate, 415-second spring, 416-third limiting rod, 417-rotating sleeve, 418-first piston, 419-second piston, 420-sampling sleeve, 4201-feed port, 4202-second discharge port, 421-a fourth sleeve, 422-a fourth limiting plate, 423-a first limiting block, 424-a discharge port, 425-a fourth limiting rod, 426-a stirring impeller, 427-a third spring, 5-an auxiliary discharge component, 501-a pressure reduction sleeve, 5011-a third discharge port, 5012-a discharge cavity, 5013-a fourth discharge port, 502-a second limiting block, 503-a fifth sleeve, 504-an L-shaped limiting rod, 505-a third piston, 6-a collection component, 601-a connecting plate, 602-a sliding rod, 603-a supporting base, 604-a fourth spring, 605-a sample storage bottle and 606-a connecting port.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings.

Example 1

A medicine quality inspection sampling device based on a centrifugal principle is disclosed, as shown in figures 1-3, and comprises a bracket 1, a sample storage tank 2 is fixedly connected on the bracket 1, a sampling port is arranged at the right part of the upper surface of the sample storage tank 2, an L-shaped support rod 3 is fixedly connected at the upper part of the right side surface of the sample storage tank 2, a sampling mechanism 4 is arranged at the upper side of the right part of the L-shaped support rod 3, the sampling mechanism 4 is used for quantitatively extracting syrup in the sample storage tank 2, so that the effects of rapid sampling and sample discharging are realized, an auxiliary discharging component 5 is arranged on the sampling mechanism 4, a collecting component 6 is arranged on the L-shaped support rod 3, the syrup in the auxiliary sampling mechanism 4 of the auxiliary discharging component 5 is discharged into the collecting component 6, the sampling mechanism 4 drives the auxiliary discharging component 5 to carry out depressurization treatment, after the sampling mechanism 4 is communicated with the auxiliary discharging component 5, the auxiliary discharging component 5 is communicated with the collecting component 6, at the moment, the sampling mechanism 4 discharges the syrup in the auxiliary discharging component 5, the syrup in the supplementary sampling mechanism 4 of negative pressure in the supplementary row material subassembly 5 is discharged, has realized better syrup discharge effect, improves the precision of follow-up detection, and sampling mechanism 4 cooperates with collection subassembly 6 for the collection of syrup in the sampling mechanism 4.

When the device is required to be used for sampling syrup, an operator firstly starts the sampling mechanism 4, the sampling mechanism 4 drives the auxiliary discharging component 5 to enter the sample storage tank 2 for sampling the syrup, after the sampling mechanism 4 finishes sampling the syrup, the operator takes the sampling mechanism 4 out of the sample storage tank 2, in the process of taking out the sampling mechanism 4, the sampling mechanism 4 discharges redundant parts in the taken syrup, the taken syrup is quantified, when the sampling mechanism 4 moves to the initial position, the auxiliary discharging component 5 restores the initial position, then, the operator continuously starts the sampling mechanism 4, the sampling mechanism 4 drives the auxiliary discharging component 5 to perform depressurization treatment, after the sampling mechanism 4 is communicated with the auxiliary discharging component 5, the auxiliary discharging component 5 is communicated with the collecting component 6, at the moment, the sampling mechanism 4 discharges the syrup in the auxiliary discharging component 5, the syrup in the supplementary sampling mechanism 4 of negative pressure in the supplementary row material subassembly 5 is discharged, and in the supplementary syrup of arranging in the material subassembly 5 was discharged into collection subassembly 6 afterwards, collection subassembly 6 was collected the syrup, and the syrup sample is accomplished, and operating personnel detects the syrup that takes out, then, operating personnel resets sampling mechanism 4, and sampling mechanism 4 drives supplementary row material subassembly 5 and resets, and this device uses the completion.

Example 2

On the basis of embodiment 1, as shown in fig. 2 to 10, the sampling mechanism 4 includes a guide sleeve 401, the guide sleeve 401 is welded on the upper side of the right portion of the L-shaped support rod 3, the left portion of the inner side surface of the guide sleeve 401 is provided with two symmetrical first guide slots 4011, the lower side of the left portion of the guide sleeve 401 is provided with a first discharge port 4012, the two arc-shaped blocks 402 are symmetrically arranged in front and back, the left portions of the two arc-shaped blocks 402 are respectively fixedly connected with the right portion of the guide sleeve 401, the two arc-shaped slideways 403 are symmetrically arranged in front and back, the right portions of the two arc-shaped slideways 403 are respectively welded with the left portion of the guide sleeve 401, the left portions of the two arc-shaped slideways 403 pass through sampling ports on the sample storage tank 2, the lower sides of the left portions of the two arc-shaped slideways 403 are located in the sample storage tank 2, the inner side portions of the two arc-shaped slideways 403 are provided with L-shaped chutes, the right portions of the L-shaped chutes on the two arc-shaped slideways 403 are respectively communicated with the left portions of the adjacent first guide slots 4011, the upper part of the guide sleeve 401 is provided with a notch, a first limit plate 404 is arranged between the two arc-shaped blocks 402 in a sliding manner, when the first limit plate 404 is positioned between the two arc-shaped blocks 402, the two arc-shaped blocks 402 limit the first limit plate 404 to prevent the first limit plate 404 from rotating, the first limit plate 404 is connected with the notch on the guide sleeve 401 in a sliding manner, the upper part of the first limit plate 404 is welded with a rectangular handle, the lower part of the first limit plate 404 is provided with a through groove, the lower part of the first limit plate 404 is provided with a first sleeve 405 in a rotating manner, the right part of the outer side surface of the first sleeve 405 is connected with an annular handle through a bolt, the upper side of the middle part of the first sleeve 405 is provided with a blind hole, a first limit rod 406 is arranged in the blind hole of the first sleeve 405 in a sliding manner, a first spring 407 is fixedly connected between the first limit rod 406 and the first sleeve 405, and the first spring 407 is positioned in the blind hole on the first sleeve 405, the lower part of the first limiting plate 404 is provided with a limiting groove, the upper part of the first limiting rod 406 is hemispherical, the upper part of the first limiting rod 406 is matched with the limiting groove of the first limiting plate 404, the first limiting rod 406 is matched with the first spring 407 to limit the first sleeve 405 and the first limiting plate 404, the first limiting rod 406 extends into the limiting groove of the first limiting plate 404, the first limiting plate 404 cannot rotate due to the two arc-shaped blocks 402, the left part of the first sleeve 405 is provided with a sliding groove, the sliding groove on the first sleeve 405 is internally provided with the second sleeve 408 in a rotating way, the left part of the second sleeve 408 is fixedly connected with the third sleeve 409, the left and right side surfaces of the third sleeve 409 are both provided with vent holes, a torsion spring 410 is fixedly connected between the right side surface of the third sleeve 409 and the left side surface of the first sleeve 405, the torsion spring 410 is sleeved on the outer side of the second sleeve 408, the middle part of the first sleeve 405 is provided with a threaded groove, the second limiting rod 411 is in threaded connection with a thread groove in the first sleeve 405, the second limiting rod 411 penetrates through the second sleeve 408 and is connected with the second sleeve in a sliding manner, the second limiting rod 411 penetrates through the right part of the third sleeve 409 and is connected with the right part of the third sleeve 409 in a sliding manner, two sliding grooves which are symmetrical up and down are formed in the inner side surface of the third sleeve 409, the second limiting plate 412 is connected with the left part of the second limiting rod 411 in a sliding manner, the third limiting plate 414 is connected with the two sliding grooves in the third sleeve 409 in a sliding manner, the third limiting plate 414 is positioned at the left side of the second limiting plate 412, the two sliding grooves in the inner side surface of the third sleeve 409 prevent the second limiting plate 412 and the third limiting plate 414 from rotating, a second spring 415 is fixedly connected between the third limiting plate 414 and the second limiting plate 412, the left side surface of the third limiting plate 414 is fixedly connected with a third limiting rod 416, the third limiting rod 416 penetrates through the left part of the third sleeve and is connected with the left part of the third sleeve in a sliding manner, a sampling part for assisting sampling and discharging is arranged at the left part of the third limiting rod 416, the first sleeve 405 drives the second limiting rod 411 to move rightward, as shown in fig. 8, the first limiting block 423 is limited by the fourth limiting plate 422 and cannot rotate, meanwhile, the third limiting rod 416, the third limiting plate 414 and the third sleeve 409 cannot rotate, and the first sleeve 405 rotates clockwise, so that the torsion spring 410 stores force.

As shown in fig. 5, 8 and 9, the sampling component includes a rotating sleeve 417, the rotating sleeve 417 is sleeved on the left portion of the third limiting rod 416 and is slidably connected with the left portion, the left portion of the rotating sleeve 417 is fixedly connected with a first piston 418, the left portion of the third limiting rod 416 is fixedly connected with a second piston 419, the first piston 418 is identical to the second piston 419, the left side surface of the first piston 418 is provided with three sets of sliding grooves, the right side surface of the second piston 419 is provided with three sets of protrusions, the three sets of sliding grooves on the first piston 418 are matched with the three sets of protrusions on the second piston 419, the three sets of sliding grooves on the first piston 418 and the three sets of protrusions on the second piston 419 are both in a fan-shaped distribution, so as to discharge syrup, thereby improving a guiding effect for discharging syrup, and achieving a better discharging effect, the left portion of the rotating sleeve 417 is rotatably provided with a sampling sleeve 420, and the first piston 418 and the second piston 419 are both located in the sampling sleeve 420, the first piston 418 and the second piston 419 are made of elastic materials, so that the sealing performance between the first piston 418 and the sampling sleeve 420, and the second piston 419 and the sampling sleeve 420 are improved, thereby achieving a better sealing effect, the left portion of the sampling sleeve 420 is circumferentially provided with a plurality of feed ports 4201, the plurality of feed ports 4201 are communicated with the sampling sleeve 420, the negative pressure between the first piston 418 and the second piston 419 rapidly pumps the syrup in the sample storage tank 2 into the sampling sleeve 420 from the plurality of feed ports 4201, thereby achieving a rapid sampling effect, the middle portion of the sampling sleeve 420 is provided with three second discharge ports 4202, the right side surface of the sampling sleeve 420 is fixedly connected with a fourth sleeve 421, the upper portion of the fourth sleeve 421 is fixedly connected with a fourth limit plate 422, the fourth limit plate 422 is rotatably connected with a rotating sleeve 417, the third limit plate 416 is provided with a first limit block 423, the upper portion of the rotating sleeve 417 is provided with a chute, the lower part of the fourth limiting plate 422 is provided with a chute, the length of the chute on the rotating sleeve 417 is greater than that of the chute on the fourth limiting plate 422, the first limiting block 423 is in sliding connection with the chute on the rotating sleeve 417, the first limiting block 423 is in sliding connection with the chute on the fourth limiting plate 422, the first limiting block 423 is separated from the limiting of the chute on the fourth limiting plate 422, the third limiting rod 416 drives the rotating sleeve 417 to rotate clockwise two rings through the first limiting block 423, the left part of the sampling sleeve 420 is circumferentially provided with a plurality of discharge ports 424, the plurality of discharge ports 424 are all positioned at the right part of a plurality of feed ports 4201, the plurality of discharge ports 424 are all positioned at the left part of three second discharge ports 4202, the plurality of discharge ports 424 are respectively provided with a one-way valve, the opening pressure of the one-way valves in the plurality of discharge ports 424 is high, the pressure of syrup between the first piston 418 and the second piston 419 is high, and the effect of enhancing the pressure between the first piston 418 and the second piston 419 is realized, the syrup between the first piston 418 and the second piston 419 can be discharged conveniently, two fourth limiting rods 425 are symmetrically arranged in front and back, the inner sides of the two fourth limiting rods 425 are fixedly connected with the left part of the outer side surface of the sampling sleeve 420, the outer sides of the two fourth limiting rods 425 are in limiting fit with the adjacent second guide groove 4031, and a discharging assembly for discharging the syrup is arranged between the first piston 418 and the second piston 419.

As shown in fig. 8 and 9, the discharging assembly includes two stirring impellers 426, two stirring impellers 426 are symmetrically arranged on the left and right sides, through holes are formed in the middle portions of the two stirring impellers 426, the two stirring impellers 426 are sleeved on the left portion of the third limiting rod 416 and are slidably connected with the left portion of the third limiting rod 416, the outer side surfaces of the two stirring impellers 426 are tightly attached to the inner wall of the sampling sleeve 420, the inner side portions of the first piston 418 and the second piston 419 are respectively provided with a special-shaped chute, the left stirring impeller 426 is slidably connected with the special-shaped chute of the second piston 419, the right stirring impeller 426 is slidably connected with the special-shaped chute of the first piston 418, the torsion spring 410 is rapidly reset, the two stirring impellers 426 instantly rotate clockwise for two circles, the syrup between the first piston 418 and the second piston 419 is thrown out, the syrup between the first piston 418 and the second piston 419 is extruded by the first piston 418 and the second piston 419, and the centrifugal force provided by the rotation of the two stirring impellers 426, the excessive extrusion of the first piston 418 and the second piston 419 on the syrup is avoided, a better discharging effect is achieved, the sliding groove on the second piston 419 is staggered with the plurality of feeding holes 4201, the syrup is prevented from entering the special-shaped sliding groove on the second piston 419 from the plurality of feeding holes 4201, the first piston 418 and the second piston 419 are fixedly connected with the adjacent stirring impellers 426 through the third springs 427, and the two third springs 427 are sleeved on the left portion of the third limiting rod 416.

As shown in fig. 10-12, the auxiliary discharging assembly 5 includes a pressure reducing sleeve 501, the pressure reducing sleeve 501 is rotatably connected to the middle of the outer side of the sampling sleeve 420, the pressure reducing sleeve 501 is slidably connected to the guide sleeve 401, the pressure reducing sleeve 501 is made of rubber material, so that the sealing performance between the pressure reducing sleeve 501 and the guide sleeve 401 is increased, and the sealing performance between the fourth discharging port 5013 and the guide sleeve 401 is increased, so as to achieve better sealing effect, three third discharging ports 5011 are circumferentially formed on the inner surface of the pressure reducing sleeve 501, a discharging cavity 5012 is formed in the middle of the pressure reducing sleeve 501, the discharging cavity 5012 is communicated with the three third discharging ports 5011, a fourth discharging port 5013 is formed in the outer side of the pressure reducing sleeve 501, the fourth discharging port 5013 is communicated with the discharging cavity 5012, the fourth discharging port 5013 is matched with the first discharging port 4012, two second limiting blocks 502 are symmetrically arranged in front and back, and two second limiting blocks 502 are respectively welded to the outer side of the pressure reducing sleeve 501, two second limiting blocks 502 are respectively in sliding fit with adjacent first guide grooves 4011, two second limiting blocks 502 are respectively in sliding fit with adjacent second guide grooves 4031, the upper part of the right side surface of a pressure reduction sleeve 501 is connected with a fifth sleeve 503 through a bolt, the fifth sleeve 503 is positioned at the upper parts of a sampling sleeve 420 and a fourth sleeve 421, the fifth sleeve 503 is communicated with a discharge cavity 5012, the right side surface of the fifth sleeve 503 is provided with a vent hole for discharging gas at the right part in the fifth sleeve 503, the right part of the fifth sleeve 503 is provided with an L-shaped limiting rod 504 in a sliding manner, the front side of the upper part of the fourth sleeve 421 is provided with a sliding groove, the lower side of the right part of the L-shaped limiting rod 504 is connected with the sliding groove on the fourth sleeve in a sliding manner, the left part of the L-shaped limiting rod 504 is fixedly connected with a third piston 505, the third piston 505 is positioned in the fifth sleeve 503, the L-shaped limiting rod 504 drives the third piston 505 to move rightwards, the fourth discharge port 5013 is not aligned with the first discharge port 4012, the discharge cavity 5012 is a sealed environment, the third piston 505 moves rightward, the air pressure in the discharge cavity 5012 is reduced, and the first piston 418, the second piston 419 and the discharge cavity 5012 are matched for improving the accuracy of subsequent detection.

As shown in fig. 13, the collecting assembly 6 includes a connecting plate 601, the connecting plate 601 is fixedly connected to the L-shaped support rod 3, the connecting plate 601 is located at the lower side of the guide sleeve 401, a sliding groove is formed in the left portion of the connecting plate 601, a sliding rod 602 is slidably disposed in the sliding groove of the connecting plate 601, a support base 603 is welded to the upper portion of the sliding rod 602, a fourth spring 604 is fixedly connected between the support base 603 and the connecting plate 601, the fourth spring 604 is sleeved on the upper portion of the sliding rod 602, a sample storage bottle 605 is disposed on the upper portion of the support base 603, a connecting port 606 is disposed on the left side of the lower portion of the guide sleeve 401, the connecting port 606 is communicated with the first discharge port 4012, the connecting port 606 is in threaded connection with the upper portion of the sample storage bottle 605, after the sample storage bottle 605 is rotated and taken down, the fourth spring 604 resets, the support base 603 drives the sliding rod 602 to reset, and an operator places a new sample bottle into the support base to facilitate next sampling.

When the device is required to be used for sampling syrup, an operator firstly pushes the rectangular handle on the upper part of the first limiting plate 404, the two fourth limiting rods 425 and the two second limiting blocks 502 are matched with the adjacent second guide grooves 4031 in an initial state, the two fourth limiting rods 425 and the two second limiting blocks 502 are positioned on the same horizontal plane, the two fourth limiting rods 425 move leftwards along the adjacent second guide grooves 4031, the first limiting plate 404 drives parts on the first limiting rods to move leftwards, meanwhile, the two second limiting blocks 502 move leftwards along the adjacent second guide grooves 4031, the auxiliary discharging assembly 5 moves leftwards, when the two fourth limiting rods 425 move to the lower parts of the adjacent second guide grooves 4031, the two fourth limiting rods 425 cannot move downwards, at the moment, the sampling sleeve 420 is in a vertical state, the sampling sleeve 420 is inserted into the syrup in the sample storage tank 2, and the liquid level of the syrup does not pass through the three discharging ports 424, at this time, an operator pushes a rectangular handle on the upper portion of the first limiting plate 404 downwards, the first limiting plate 404 drives the first sleeve 405 to move downwards, the first sleeve 405 drives the second sleeve 408 and the second limiting rod 411 to move downwards, the second sleeve 408 drives the third sleeve 409 to move downwards, the second limiting rod 411 drives the second limiting plate 412 to move downwards, the second limiting plate 412 drives the second spring 415 to move downwards, the second spring 415 drives the third limiting plate 414 to move downwards, the third limiting plate 414 drives the third limiting rod 416 to move downwards, and the sampling sleeve 420, the fourth sleeve 421, the fourth limiting plate 422, the rotating sleeve 417 and the first piston 418 cannot move downwards due to the fact that the two fourth limiting rods 425 cannot move downwards.

At this time, the third limiting rod 416 drives the second piston 419 to move downward, the second piston 419 drives the stirring impeller 426 on the lower side to move downward through the third spring 427 on the lower side, at this time, the check valves in the plurality of discharge ports 424 are in a closed state, syrup in the sample storage tank 2 cannot enter the upper portion of the sampling sleeve 420 through the plurality of discharge ports 424, because the chute on the second piston 419 is staggered with the plurality of feed ports 4201, syrup cannot enter the chute on the second piston 419 through the plurality of feed ports 4201, at this time, the three second discharge ports 4202 are staggered with the three third discharge ports 5011, the first piston 418 and the second piston 419 form a sealed environment, because the first piston 418 and the second piston 419 are made of elastic materials, the sealing performance between the first piston 418, the second piston 419 and the sampling sleeve 420 is increased, a better sealing effect is achieved, and along with the downward movement of the second piston 419, the air pressure between the first piston 418 and the second piston 419 is gradually reduced, when the right side surface of the second piston 419 is located between the plurality of feed ports 4201, the negative pressure between the first piston 418 and the second piston 419 rapidly draws the syrup in the sample storage tank 2 from the plurality of feed ports 4201 into the sampling sleeve 420, so that the rapid sampling effect is achieved, and the first piston 418 and the second piston 419 are instantaneously filled with the syrup, and the syrup sampling is completed.

Then an operator pulls the rectangular handle on the upper part of the first limit plate 404 upwards, the first limit plate 404 moves upwards, the third limit rod 416 drives the second piston 419 to move upwards, the pressure of the syrup between the first piston 418 and the second piston 419 is gradually increased, when the pressure of the syrup between the first piston 418 and the second piston 419 reaches a certain value, the one-way valves in the plurality of discharge ports 424 are opened, part of the syrup between the first piston 418 and the second piston 419 is discharged from the plurality of discharge ports 424, because the pressure of the one-way valves in the plurality of discharge ports 424 is high, the pressure of the syrup between the first piston 418 and the second piston 419 is high, the effect of enhancing the pressure between the first piston 418 and the second piston 419 is realized, the subsequent discharge of the syrup between the first piston 418 and the second piston 419 is convenient, when the left side surface of the second piston 419 is positioned at the right part of the plurality of discharge ports 424, syrup between first piston 418 and the second piston 419 is no longer discharged, and the syrup ration between first piston 418 and the second piston 419 is accomplished this moment, extracts the syrup at every turn and all can discharge unnecessary to realized carrying out quantitative effect to the syrup, made things convenient for follow-up detection, improved the precision of follow-up detection, afterwards, second piston 419 is no longer close to first piston 418.

An operator continues to pull the rectangular handle at the upper part of the first limiting plate 404, when the fourth limiting rod 425 returns to the initial position, as shown in fig. 3, the auxiliary discharging assembly 5 returns to the initial position, then, the operator rotates the annular handle at the right part of the first sleeve 405 clockwise, the first sleeve 405 drives the second limiting rod 411 to move rightwards, as shown in fig. 8, the first limiting block 423 is limited by the fourth limiting plate 422 and cannot rotate, simultaneously, the third limiting rod 416, the third limiting plate 414 and the third sleeve 409 cannot rotate, the first sleeve 405 rotates clockwise, so that the torsion spring 410 accumulates force, as the third sleeve 409 cannot rotate, the second limiting plate 412 and the second limiting rod 411 cannot rotate, at this time, the first sleeve 405 rotates clockwise, so as to drive the second limiting rod 411 to move rightwards, the second limiting rod 411 drives the second limiting plate 412 to move rightwards, and as the space between the first piston 418 and the second piston 419 is full of syrup, and the syrup between the first piston 418 and the second piston 419 is in a high-pressure state, the third limit plate 414 and the third limit rod 416 cannot move rightwards, so the second spring 415 is stretched, after the annular handle at the right part of the first sleeve 405 rotates clockwise for two circles, an operator stops rotating the annular handle at the right part of the first limit plate 404, the first limit plate 404 limits the first sleeve 405 through the matching of the first limit rod 406 and the first spring 407, the first limit rod 406 extends into the limit groove of the first limit plate 404, the first limit plate 404 cannot rotate by the two arc-shaped blocks 402, and the torsion spring 410 is in a force accumulation state.

Then, an operator pulls the rectangular handle on the upper portion of the first limiting plate 404 rightwards, the two second limiting blocks 502 gradually enter the adjacent first guide grooves 4011 and slide along the adjacent first guide grooves 4011, the two second limiting blocks 502 drive the pressure reducing sleeve 501 to rotate anticlockwise, the pressure reducing sleeve 501 drives the fifth sleeve 503 to rotate anticlockwise, the fifth sleeve 503 drives the L-shaped limiting rod 504 to rotate anticlockwise, the L-shaped limiting rod 504 moves rightwards under the limitation of the chute on the fourth sleeve 421, the L-shaped limiting rod 504 drives the third piston 505 to move rightwards, at this time, the fourth discharge port 5013 is not aligned with the first discharge port 4012, the discharge cavity 5012 is a sealed environment, since the pressure reducing sleeve 501 is made of a rubber material, the sealing performance between the pressure reducing sleeve 501 and the guide sleeve 401 is increased, meanwhile, the sealing performance between the fourth discharge port 5013 and the guide sleeve 401 is increased, a better sealing effect is achieved, the third piston 505 moves rightwards, the air pressure in the discharge cavity 5012 is reduced, in the process that the two second stoppers 502 rotate counterclockwise, the two fourth limiting rods 425 move rightwards along the adjacent second guide grooves 4031 all the time and do not rotate, when the two second stoppers 502 move to the right of the adjacent first guide grooves 4011, at this time, the three second discharge ports 4202 are aligned with the three third discharge ports 5011, the fourth discharge ports 5013 are aligned with the first discharge ports 4012, due to the fact that the pressure of the syrup in a high-pressure state between the first piston 418 and the second piston 419 is reduced, the second springs 415 are reset to drive the third limiting plates 414 to move rightwards, the third limiting rods 414 drive the third limiting rods 416 to move rightwards, the third limiting rods 416 drive the first limiting blocks 423 and the second piston 419 to move rightwards, the second piston 416 drive the left third springs 427 and the left stirring impeller 426 to move rightwards, and the second piston 419 moves rightwards to move the syrup between the second piston 419 and the first piston 418 through the three second discharge ports 2 and the third discharge ports 419 A third outlet 5011 discharges into the discharge cavity 5012, and the syrup in the discharge cavity 5012 is discharged into the sample storage bottle 605 through the fourth outlet 5013, the first outlet 4012 and the connection port 606.

When the two stirring impellers 426 contact, the first stopper 423 disengages from the limit of the sliding slot on the fourth stopper 422, the torsion spring 410 is reset, the torsion spring 410 drives the third sleeve 409 to rotate clockwise for two turns, the third sleeve 409 drives the second stopper 412 and the third stopper 414 to rotate clockwise for two turns, the second stopper 412 drives the second stopper 411 to rotate clockwise for two turns, the second stopper 411 moves rightwards, the third stopper 414 drives the third stopper 416 to rotate clockwise for two turns, the third stopper 416 drives the second piston 419 and the first stopper 423 to rotate clockwise for two turns, the first stopper 423 drives the first piston 418 to rotate clockwise for two turns through the rotating sleeve 417, the two stirring impellers 426 simultaneously rotate clockwise for two turns, the two third springs 427 are compressed, due to the rapid reset of the torsion spring 410, the two stirring impellers 426 instantaneously rotate clockwise for two turns, the syrup between the first piston 418 and the second piston 419 is thrown out, the excessive extrusion of the syrup by the first piston 418 and the second piston 419 is avoided through the extrusion of the first piston 418 and the second piston 419 and the centrifugal force provided by the rotation of the two stirring impellers 426, a better discharge effect is realized, the amount of the syrup discharged each time is equal, meanwhile, three groups of chutes are formed on the left side surface of the first piston 418, three groups of protrusions are formed on the right side surface of the second piston 419, the three groups of chutes on the first piston 418 are matched with the three groups of protrusions on the second piston 419, the three groups of chutes on the first piston 418 and the three groups of protrusions on the second piston 419 are in fan-shaped distribution, a guiding effect is improved for the discharge of the syrup, a better discharge effect is realized, and simultaneously, a large pressure difference is formed between the high pressure between the first piston 418 and the second piston 419 and the negative pressure between the discharge cavity 5012, a better syrup discharge effect is achieved.

When the right side surface of the second piston 419 is contacted with the left side surface of the first piston 418, the left stirring impeller 426 can be fed into the special-shaped chute of the second piston 419, the right stirring impeller 426 can be fed into the special-shaped chute of the first piston 418, the syrup is discharged, then the operator rotates the sample storage bottle 605 to take off the sample storage bottle, the sample storage bottle 605 drives the supporting base 603 to move downwards, the supporting base 603 drives the sliding rod 602 to move downwards, the fourth spring 604 is compressed, after the sample storage bottle 605 rotates to take off the sample storage bottle, the fourth spring 604 resets, the supporting base 603 drives the sliding rod 602 to reset, the operator puts a new sample storage bottle into the supporting base 603 to sample next time, and then the operator detects the syrup in the sample storage bottle 605, finally, the annular handle of the first sleeve 405 right part of operating personnel anticlockwise rotates four rings to promote the rectangle handle on first limiting plate 404 upper portion, when the device resumes initial position, this device uses the completion, if need sample again light and repeat above-mentioned step, the in-process of whole device work only relates to operating personnel's pulling and rotation, convenient operation, and be difficult for persisting the syrup in the sampling mechanism 4, the complexity of traditional sampling process has been simplified, better sample effect has been realized.

Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made herein without departing from the principles and spirit of the invention as defined by the appended claims. Therefore, the detailed description of the embodiments of the present disclosure is to be construed as merely illustrative, and not limitative of the remainder of the disclosure, but rather to limit the scope of the disclosure to the full extent set forth in the appended claims.

Claims (9)

1. The utility model provides a medicine quality inspection sampling device based on centrifugation principle, including support (1), the rigid coupling has storage appearance jar (2) on support (1), and the sample connection has been seted up to the right part of storage appearance jar (2) upper surface, and the upper portion rigid coupling of storage appearance jar (2) right flank has L shape branch (3), its characterized in that: still including sampling mechanism (4), sampling mechanism (4) set up the upside on L shape branch (3) right part, the syrup in sampling mechanism (4) quantitative extraction storage appearance jar (2), be provided with supplementary row material subassembly (5) on sampling mechanism (4), be provided with on L shape branch (3) and collect subassembly (6), the collection subassembly (6) are discharged to the syrup in supplementary row material subassembly (5) supplementary sampling mechanism (4), sampling mechanism (4) and collection subassembly (6) cooperation, the collection to syrup in sampling mechanism (4).

2. A centrifugal principle based drug quality testing sampling device according to claim 1, wherein: sampling mechanism (4) is including guide sleeve (401), guide sleeve (401) rigid coupling is at the upside of L shape branch (3) right part, first guide way (4011) of two symmetries are seted up to the left part of guide sleeve (401) medial surface, first discharge gate (4012) have been seted up to the downside of guide sleeve (401) left part, arc piece (402) front and back symmetry is provided with two, the left part of two arc pieces (402) respectively with the right part rigid coupling of guide sleeve (401), arc slide (403) front and back symmetry is provided with two, the right part of two arc slides (403) respectively with the left part rigid coupling of guide sleeve (401), the sample connection on sample storage jar (2) is passed to the left part of two arc slides (403), the downside of two arc slides (403) left parts is located sample storage jar (2), L shape spout has been seted up to the medial surface of two arc slides (403), the right part of L shape spout on two arc slides (403) respectively with the left part of adjacent first guide way (4011) even The guide sleeve (401) is provided with a notch at the upper part, a first limit plate (404) is arranged between two arc-shaped blocks (402) in a sliding manner, the first limit plate (404) is connected with the notch on the guide sleeve (401) in a sliding manner, the upper part of the first limit plate (404) is fixedly connected with a rectangular handle, the lower part of the first limit plate (404) is provided with a through groove, a first sleeve (405) is rotatably arranged in the through groove at the lower part of the first limit plate (404), the right part of the outer side surface of the first sleeve (405) is fixedly connected with an annular handle, the upper side of the middle part of the first sleeve (405) is provided with a blind hole, a first limit rod (406) is arranged in the blind hole of the first sleeve (405) in a sliding manner, a first spring (407) is fixedly connected between the first limit rod (406) and the first sleeve (405), the first spring (407) is positioned in the blind hole on the first sleeve (405), the lower part of the first limit plate (404) is provided with a limit groove, the upper part of the first limiting rod (406) is hemispherical, the upper part of the first limiting rod (406) is matched with a limiting groove of the first limiting plate (404), the left part of the first sleeve (405) is provided with a sliding groove, a second sleeve (408) is rotationally arranged in the sliding groove on the first sleeve (405), the left part of the second sleeve (408) is fixedly connected with a third sleeve (409), the left side surface and the right side surface of the third sleeve (409) are respectively provided with a vent hole, a torsion spring (410) is fixedly connected between the right side surface of the third sleeve (409) and the left side surface of the first sleeve (405), the torsion spring (410) is sleeved at the outer side of the second sleeve (408), the middle part of the first sleeve (405) is provided with a threaded groove, the threaded groove on the first sleeve (405) is in threaded connection with the second limiting rod (411), the second limiting rod (411) penetrates through the second sleeve (408) and is in sliding connection with the second sleeve (408), the second limiting rod (411) penetrates through the right part of the third sleeve (409) and is in sliding connection with the second limiting rod, two spouts that the symmetry from top to bottom are seted up to third sleeve (409) medial surface, sliding connection has second limiting plate (412) in two spouts on third sleeve (409), the left part rigid coupling of second limiting plate (412) and second gag lever post (411), sliding connection has third limiting plate (414) in two spouts on third sleeve (409), third limiting plate (414) are located the left side of second limiting plate (412), the rigid coupling has second spring (415) between third limiting plate (414) and second limiting plate (412), the left surface rigid coupling of third limiting plate (414) has third gag lever post (416), third gag lever post (416) run through the left part of third sleeve (409) and rather than sliding connection, the left part of third gag lever post (416) is provided with the sampling part.

3. A centrifugal principle based drug quality testing sampling device according to claim 2, wherein: the sampling component comprises a rotating sleeve (417), the rotating sleeve (417) is sleeved at the left part of a third limiting rod (416) and is in sliding connection with the left part of the third limiting rod, a first piston (418) is fixedly connected to the left part of the rotating sleeve (417), a second piston (419) is fixedly connected to the left part of the third limiting rod (416), the first piston (418) is the same as the second piston (419), a sampling sleeve (420) is rotatably arranged at the left part of the rotating sleeve (417), the first piston (418) and the second piston (419) are both positioned in the sampling sleeve (420), a plurality of feed inlets (4201) are circumferentially arranged at the left part of the sampling sleeve (420), three second discharge outlets (4202) are arranged at the middle part of the sampling sleeve (420), a fourth sleeve (421) is fixedly connected to the right side surface of the sampling sleeve (420), a fourth limiting plate (422) is fixedly connected to the upper part of the fourth sleeve (421), and the fourth limiting plate (422) is rotatably connected with the rotating sleeve (417), a first limiting block (423) is fixedly connected to the third limiting rod (416), a chute is formed in the upper portion of the rotating sleeve (417), a chute is formed in the lower portion of the fourth limiting plate (422), the length of the chute in the rotating sleeve (417) is larger than that of the chute in the fourth limiting plate (422), the first limiting block (423) is in sliding connection with the chute in the rotating sleeve (417), the first limiting block (423) is in sliding connection with the chute in the fourth limiting plate (422), a plurality of discharge ports (424) are circumferentially formed in the left portion of the sampling sleeve (420), the plurality of discharge ports (424) are all located in the right portion of the plurality of feed ports (4201), the plurality of discharge ports (424) are all located in the left portion of the three second discharge ports (4202), one-way valves are respectively arranged in the plurality of discharge ports (424), the four limiting rods (425) are symmetrically arranged in the front and back, the inner side portions of the two fourth limiting rods (425) are respectively connected with the left portion of the outer side face of the sampling sleeve (420), the outer side parts of the two fourth limiting rods (425) are respectively in limiting fit with the adjacent second guide grooves (4031), a discharging assembly is arranged between the first piston (418) and the second piston (419), and the first piston (418), the second piston (419), the sampling sleeve (420) and the feeding hole (4201) are matched to sample syrup.

4. A centrifugal principle based drug quality testing sampling device according to claim 3, wherein: the first and second pistons (418, 419) are each an elastomeric material to increase the seal between the first and second pistons (418, 419) and the sampling sleeve (420).

5. A centrifugal principle based drug quality testing sampling device according to claim 3, wherein: three sets of chutes are formed in the left side surface of the first piston (418), three sets of protrusions are arranged on the right side surface of the second piston (419), the three sets of chutes on the first piston (418) are matched with the three sets of protrusions on the second piston (419), and the three sets of chutes on the first piston (418) and the three sets of protrusions on the second piston (419) are distributed in a fan shape.

6. A centrifugal principle based drug quality testing sampling device according to claim 3, wherein: the discharging component comprises two stirring impellers (426), the two stirring impellers (426) are arranged in bilateral symmetry, through holes are formed in the middle parts of the two stirring impellers (426), the two stirring impellers (426) are sleeved on the left part of the third limiting rod (416) and are in sliding connection with the left part of the third limiting rod (416), the outer side surfaces of the two stirring impellers (426) are tightly attached to the inner wall of the sampling sleeve (420), special-shaped sliding grooves are formed in the inner side parts of a first piston (418) and a second piston (419), the left stirring impeller (426) is in sliding connection with the special-shaped sliding groove of the second piston (419), the right stirring impeller (426) is in sliding connection with the special-shaped sliding groove of the first piston (418), the special-shaped sliding groove of the second piston (419) is staggered with a plurality of feeding holes (4201), and a third spring (427) is fixedly connected between the first piston (418) and the second piston (419) and the adjacent stirring impeller (426), the two third springs (427) are sleeved at the left part of the third limiting rod (416), and the first piston (418), the second piston (419) and the stirring impeller (426) are matched to discharge syrup.

7. A centrifugal principle based drug quality testing sampling device according to claim 3, wherein: the auxiliary discharging assembly (5) comprises a pressure reducing sleeve (501), the pressure reducing sleeve (501) is rotatably connected to the middle of the outer side surface of a sampling sleeve (420), the pressure reducing sleeve (501) is in sliding connection with a guide sleeve (401), three third discharging holes (5011) are formed in the circumferential direction of the inner surface of the pressure reducing sleeve (501), a discharging cavity (5012) is formed in the middle of the pressure reducing sleeve (501), the discharging cavity (5012) is communicated with the three third discharging holes (5011), a fourth discharging hole (5013) is formed in the outer side portion of the pressure reducing sleeve (501), the fourth discharging hole (5013) is communicated with the discharging cavity (5012), the fourth discharging hole (5013) is matched with a first discharging hole (4012), two second limiting blocks (502) are symmetrically arranged in the front and back direction, the two second limiting blocks (502) are fixedly connected to the outer side surface of the pressure reducing sleeve (501) respectively, and the two second limiting blocks (502) are in sliding fit with adjacent first guide grooves (4011) respectively, two second limiting blocks (502) are respectively in sliding fit with adjacent second guide grooves (4031), the upper part of the right side surface of a pressure reduction sleeve (501) is fixedly connected with a fifth sleeve (503), the fifth sleeve (503) is positioned on the upper parts of a sampling sleeve (420) and a fourth sleeve (421), the fifth sleeve (503) is communicated with a discharge cavity (5012), the right side surface of the fifth sleeve (503) is provided with a vent hole, the right part of the fifth sleeve (503) is provided with an L-shaped limiting rod (504) in a sliding manner, the front side of the upper part of the fourth sleeve (421) is provided with a sliding groove, the lower side of the right part of the L-shaped limiting rod (504) is in sliding connection with the sliding groove on the fourth sleeve (421), the left part of the L-shaped limiting rod (504) is fixedly connected with a third piston (505), the third piston (505) is positioned in the fifth sleeve (503), and the first piston (418), the second piston (419) cooperates with the discharge cavity (5012) to improve the accuracy of the detection.

8. A centrifugal principle based drug quality testing sampling device according to claim 7, wherein: the decompression sleeve (501) is made of rubber materials, and the sealing performance between the decompression sleeve (501) and the guide sleeve (401) is improved.

9. A centrifugal principle based drug quality testing sampling device according to claim 2, wherein: the collecting component (6) comprises a connecting plate (601), the connecting plate (601) is fixedly connected to the L-shaped supporting rod (3), the connecting plate (601) is located on the lower side of the guide sleeve (401), a sliding groove is formed in the left portion of the connecting plate (601), a sliding rod (602) is arranged in the sliding groove of the connecting plate (601) in a sliding mode, a supporting base (603) is fixedly connected to the upper portion of the sliding rod (602), a fourth spring (604) is fixedly connected between the supporting base (603) and the connecting plate (601), the fourth spring (604) is sleeved on the upper portion of the sliding rod (602), a sample storage bottle (605) is arranged on the upper portion of the supporting base (603), a connecting port (606) is formed in the left side of the lower portion of the guide sleeve (401), the connecting port (606) is communicated with a first discharge port (4012), the connecting port (606) is in threaded fit with the upper portion of the sample storage bottle (605), the sliding rod (602) and the supporting base (603), the fourth spring (604) is matched with the sample storage bottle (605) to realize sampling.

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