Sampling device for detecting quality of white spirit

Abstract

The invention discloses a sampling device for detecting the quality of white spirit, and aims to solve the problem that the content and the distribution condition of suspended particles in the white spirit cannot be comprehensively known due to the fact that only one position is used for sampling when the existing sampling device is used for sampling the white spirit. A tooth block and a push block on the two sides of a movable rod are used for driving different assemblies respectively, the push block drives a connecting valve to rotate by shifting an elastic shifting piece, a water passing hole in the push block is aligned with a liquid inlet pipe to communicate the liquid inlet pipe, it is guaranteed that white spirit enters a liquid pumping pipe through the liquid inlet pipe and the water passing hole, and the tooth block is matched to drive a connecting gear to rotate; the reciprocating frame reciprocates to drive the piston in the liquid extraction pipe to reciprocate so as to extract white spirit and inject the white spirit into the sample storage box, so that the sampling of the white spirit can be completed, multi-point sampling can be carried out at different positions in the white spirit, and the uniformity and the quality stability of the white spirit can be evaluated more accurately.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of liquor quality detection, and in particular to a sampling device for liquor quality detection. BACKGROUND

[0002] Liquor quality detection is a series of chemical, physical and sensory evaluation methods to evaluate the quality indicators of liquor products, including appearance, odor, taste and chemical composition, etc. When detecting the quality of liquor, a sampling device is needed to obtain liquor samples for subsequent analysis and detection.

[0003] The distribution of suspended particles in the liquor may be uneven, and some particles may float or sink. If sampling is only done at one location, the content and distribution of suspended particles in the liquor may not be fully understood, resulting in inaccurate evaluation of the quality of the liquor. In addition, if sampling is only done at one location, comprehensive research results may not be obtained.

[0004] To solve the above problems, a sampling device for liquor quality detection is proposed. SUMMARY

[0005] The purpose of the present application is to provide a sampling device for liquor quality detection, which can solve the problem of the sampling device in the background art that only samples at one location when sampling liquor, and cannot fully understand the content and distribution of suspended particles in the liquor.

[0006] To achieve the above purpose, the present application provides the following technical solution: a sampling device for liquor quality detection, comprising a sampling tube, a bottom tube arranged at the bottom of the sampling tube, and a sample storage box arranged on the inner side wall of the sampling tube, the front end of the sample storage box is provided with a liquid suction pipe, the front end of the liquid suction pipe is provided with a connecting valve, a water passing hole is formed in the connecting valve, two rotating columns are fixed on the two sides of the connecting valve, an installation block is arranged outside the rotating column, the installation block is fixed on the inner wall of the sampling tube, one end of the installation block is provided with a connecting disc, the connecting disc is fixed on the rotating column, an elastic tab is fixed on the side wall of the connecting disc, the front end of the connecting valve is provided with a liquid suction assembly, the liquid suction assembly comprises a liquid inlet pipe, the liquid inlet pipe is arranged at the front end of the connecting valve, the liquid inlet pipe extends from the inner wall of the sampling tube to the outside thereof, the rear end of the connecting valve is provided with a butt joint pipe, a first connecting pipe is arranged on the butt joint pipe, the front end of the liquid suction pipe is provided with a first one-way valve, the first one-way valve is connected with the first connecting pipe, the rear end of the liquid suction pipe is provided with a second one-way valve, a second connecting pipe is arranged on the second one-way valve, one end of the second connecting pipe is arranged on the top of the sample storage box and is connected with the inside of the sample storage box;

[0007] Both sides of the liquid suction pipe are provided with reciprocating frames, both sides of the reciprocating frames are provided with teeth, the reciprocating frames are provided with connecting gears, the connecting gears are half teeth and are engaged with the reciprocating frames, the connecting gears are fixed with driven gears, one side of the driven gears is engaged with a driving gear, one side of the driving gear is provided with a movable rod, the movable rod is located between the connecting disc and the driving gear and longitudinally penetrates the inside of the sampling pipe, one side of the movable rod is provided with a tooth block, the movable rod is engaged with the driving gear through the tooth block, the other side of the movable rod is provided with a push block, the side wall of the push block is in contact with an elastic tab, the inside of the liquid suction pipe is provided with a reciprocating assembly, the reciprocating assembly comprises a piston, the piston is arranged in the inside of the liquid suction pipe, the middle position of the bottom of the piston is fixed with a reciprocating rod, the reciprocating rod extends out from the bottom of the liquid suction pipe, the end of the reciprocating rod is fixed with a connecting frame, the two sides of the connecting frame are fixedly connected with the reciprocating frames.

[0008] The inside of the bottom pipe is provided with a floating assembly, the floating assembly comprises an inner cavity, the inner cavity is arranged in the inside of the bottom pipe, the inside of the inner cavity is provided with a floating plate, the bottom of the movable rod extends into the inner cavity and is fixedly connected with the floating plate.

[0009] Further, the side wall of the sampling pipe is provided with a liquid discharge valve, one end of the liquid discharge valve extends into the inside of the sampling pipe and is connected with the inside of the sample storage box, and is used for discharging the white spirit sample.

[0010] Further, the top of the sampling pipe is provided with a top plate, the movable rod extends from the inside of the sampling pipe to the top of the sampling pipe and is fixedly connected with the top plate, both sides of the top plate are provided with fixing assemblies, the fixing assemblies comprise support blocks, the support blocks are arranged on both sides of the top plate, the inside of the support block is transversely penetrated by a connecting block, one side of the connecting block is fixed with a fixed pin, the fixed pin is clamped in the inside of the fixed hole, the fixed hole is arranged on the side wall of the top plate, and the outside of the connecting block is wound with a return spring.

[0011] Further, the upper and lower ends of one side of the reciprocating frame are provided with guide assemblies, the guide assemblies comprise connecting columns, the connecting columns are fixed to the upper and lower ends of one side of the reciprocating frame, the connecting columns are fixed with guide blocks, the outside of the guide blocks is provided with guide frames, and the guide frames are fixed to the inside side wall of the sampling pipe.

[0012] Further, the inner diameter of the guide frame matches the outer diameter of the guide block, and the guide block slides up and down in the inside of the guide frame.

[0013] Further, the outer diameter of the rotating column matches the inner diameter of the mounting block, and the connecting valve rotates in the inside of the mounting block through the rotating column.

[0014] Further, the inside of the mounting block is provided with a reset assembly, the reset assembly comprises an embedded slot, the embedded slot is opened in the inside of the mounting block, the inside of the embedded slot is provided with a coil spring, the coil spring is arranged around the outside of the rotating column, the end of the inside of the coil spring is fixed on the rotating column, and the end of the outside of the coil spring is fixed on the inside wall of the embedded slot.

[0015] Further, the inside of the connecting disc is provided with a limiting assembly, the limiting assembly comprises a limiting slot, the limiting slot is opened in the inside of the connecting disc, and the inside of the limiting slot is provided with a connecting rod.

[0016] Further, the outer diameter of the connecting rod matches the inner diameter of the limiting slot, and the connecting disc slides outside the connecting rod through the limiting slot.

[0017] Further, the water passing hole in the connecting valve is inclined upward at an angle of 45 degrees, and the liquid inlet pipe is misaligned with the water passing hole.

[0018] Compared with the prior art, the beneficial effects of the present application are:

[0019] The sampling device for detecting the quality of white wine is provided, the buoyancy of the white wine pushes up the floating plate to drive the movable rod to move up, the tooth blocks on the two sides of the movable rod drive different assemblies respectively, the connecting valve is rotated by the elastic tab driven by the push block, the water passing hole in the connecting valve is aligned with the liquid inlet pipe to communicate the liquid inlet pipe, the white wine is ensured to enter the liquid suction pipe through the liquid inlet pipe and the water passing hole, the reciprocating frame is driven to move reciprocatingly by the connecting gear driven by the tooth block, the piston in the liquid suction pipe is driven to move reciprocatingly to extract the white wine and inject the white wine into the sample storage box, so that the sampling of the white wine can be completed, the sampling device has multiple sampling points in the longitudinal direction, the sampling device is inserted into the required position in the white wine, and the sampling is driven by the buoyancy of the white wine, so that automatic multi-point sampling is realized, the efficiency and convenience of sampling are improved, and the uniformity and quality stability of the white wine can be more accurately evaluated by detecting the actual situation of the white wine. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic view of the overall structure;

[0021] Figure 2 It is a sectional view of the overall structure;

[0022] Figure 3 It is Figure 2 It is an enlarged structure schematic view of A in the middle;

[0023] Figure 4 It is Figure 2 It is an enlarged structure schematic view of B in the middle;

[0024] Figure 5 is a schematic view of a partial structure Figure 1

[0025] Figure 6 is a schematic view of a partial structure Figure 5 enlarged view of C in the middle

[0026] Figure 7 is a schematic view of a partial structure Figure 2

[0027] Figure 8 is a schematic view of a partial structure

[0028] Figure 9 is a schematic view of a partial structure

[0029] Figure 10 is a schematic view of a partial structure

[0030] Figure 11 is a schematic view of a partial structure

[0031] Figure 12 is a schematic view of a partial structure Figure 11 enlarged view of D in the middle

[0032] Figure 13 is a schematic view of a partial structure

[0033] In the figure: 1, sampling tube; 2, bottom tube; 3, liquid discharge valve; 4, movable rod; 5, floating assembly; 51, built-in cavity; 52, floating plate; 6, sample storage box; 7, liquid suction tube; 8, connecting valve; 9, top plate; 10, fixed assembly; 101, fixed hole; 102, support block; 103, connecting block; 104, fixed pin; 105, reset spring; 11, reciprocating frame; 12, connecting gear; 13, driven gear; 14, driving gear; 15, tooth block; 16, push block; 17, guide assembly; 171, guide frame; 172, guide block; 173, connecting column; 18, rotating column; 19, mounting block; 20, connecting disc; 21, elastic tab; 22, water passage hole; 23, liquid suction assembly; 231, liquid inlet tube; 232, butt joint tube; 233, first connecting tube; 234, second connecting tube; 235, first one-way valve; 236, second one-way valve; 24, limiting assembly; 241, connecting rod; 242, limiting groove; 25, reciprocating assembly; 251, reciprocating rod; 252, connecting frame; 253, piston; 26, reset assembly; 261, built-in groove; 262, coil spring. DETAILED DESCRIPTION

[0034] ​​Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present application.

[0035] To solve the technical problem that the sampling device only samples at one position when sampling baijiu, and cannot comprehensively understand the content and distribution of suspended particles in the liquor, such as Figures 1-13 As shown in the drawings, the following preferred technical solutions are provided:

[0036] A sampling device for detecting the quality of baijiu, comprising a sampling tube 1, a bottom tube 2 arranged at the bottom of the sampling tube 1, and a sample storage box 6 arranged on the inner side wall of the sampling tube 1, the front end of the sample storage box 6 is provided with a liquid suction pipe 7, the front end of the liquid suction pipe 7 is provided with a connecting valve 8, the inside of the connecting valve 8 is provided with a water passing hole 22, both sides of the connecting valve 8 are fixedly provided with a rotating column 18, the outside of the rotating column 18 is sleeved with a mounting block 19, the mounting block 19 is fixedly arranged on the inner wall of the sampling tube 1, one end of the mounting block 19 is provided with a connecting disc 20, the connecting disc 20 is fixedly arranged on the rotating column 18, the side wall of the connecting disc 20 is fixedly provided with an elastic tab 21, the front end of the connecting valve 8 is provided with a liquid suction assembly 23, the liquid suction assembly 23 comprises a liquid inlet pipe 231, the liquid inlet pipe 231 is arranged at the front end of the connecting valve 8, the liquid inlet pipe 231 extends from the inner wall of the sampling tube 1 to the outside thereof, the rear end of the connecting valve 8 is provided with a butt joint pipe 232, the butt joint pipe 232 is provided with a first connecting pipe 233, the front end of the liquid suction pipe 7 is provided with a first one-way valve 235, the first one-way valve 235 is connected with the first connecting pipe 233, the rear end of the liquid suction pipe 7 is provided with a second one-way valve 236, the second one-way valve 236 is provided with a second connecting pipe 234, one end of the second connecting pipe 234 is arranged on the top of the sample storage box 6 and is connected with the inside of the sample storage box 6, the connecting valve 8 is rotated to make the water passing hole 22 in the connecting valve 8 opposite to the liquid inlet pipe 231, at this time, the liquid inlet pipe 231 and the butt joint pipe 232 are connected through the water passing hole 22, the baijiu enters the liquid inlet pipe 231, and then enters the liquid suction pipe 7 through the water passing hole 22, the butt joint pipe 232, the first connecting pipe 233 and the first one-way valve 235 in sequence, and then the baijiu is injected into the sample storage box 6 through the second one-way valve 236 and the second connecting pipe 234 for storage, so that the sampling operation can be completed.

[0037] The reciprocating frame 11 is arranged on both sides of the liquid suction pipe 7, and the reciprocating frame 11 is internally provided with teeth on both sides. The reciprocating frame 11 is internally provided with a connecting gear 12, and the connecting gear 12 is half-toothed and engaged with the reciprocating frame 11. The connecting gear 12 is fixedly provided with a driven gear 13, and the driven gear 13 is engaged with a driving gear 14 on one side. The driving gear 14 is provided with a movable rod 4 on one side. The movable rod 4 is located between the connecting disc 20 and the driving gear 14 and longitudinally penetrates the inside of the sampling pipe 1. The movable rod 4 is provided with a tooth block 15 on one side. The movable rod 4 is engaged with the driving gear 14 through the tooth block 15. The movable rod 4 is provided with a push block 16 on the other side. The side wall of the push block 16 is in contact with the elastic tab 21. The inside of the liquid suction pipe 7 is provided with a reciprocating assembly 25. The reciprocating assembly 25 comprises a piston 253. The piston 253 is arranged in the inside of the liquid suction pipe 7. The reciprocating rod 251 is fixedly arranged at the middle position of the bottom of the piston 253 and extends out of the bottom of the liquid suction pipe 7. The end of the reciprocating rod 251 is fixedly provided with a connecting frame 252. The connecting frame 252 is fixedly connected with the reciprocating frame 11 on both sides. The sampling pipe 1 is arranged in the white spirit. The liquid buoyancy pushes the floating plate 52 to push the movable rod 4 to move upwards. The movable rod 4 drives the push block 16 to move upwards. The push block 16 drives the connecting disc 20 and the rotating column 18 to rotate by pushing the elastic tab 21, so that the connecting valve 8 rotates. The rotation of the connecting valve 8 makes the water passing hole 22 in the connecting valve 8 and the liquid inlet pipe 231 opposite to each other. At this time, the liquid inlet pipe 231 and the butt joint pipe 232 are communicated through the water passing hole 22. The movable rod 4 moving upwards drives the driving gear 14 engaged with the tooth block 15 to rotate. The driving gear 14 drives the driven gear 13 and the connecting gear 12 connected with the driven gear 13 to rotate. When the rotating connecting gear 12 is engaged with the right side of the reciprocating frame 11, the reciprocating frame 11 is driven to move downwards. When the rotating connecting gear 12 is engaged with the left side of the reciprocating frame 11, the reciprocating frame 11 is driven to move upwards. The continuous rotation of the connecting gear 12 can make the reciprocating frame 11 reciprocate upwards and downwards. The reciprocating frame 11 reciprocating upwards and downwards drives the reciprocating rod 251 connected with the reciprocating frame 11 through the connecting frame 252 to reciprocate upwards and downwards. The reciprocating rod 251 drives the piston 253 to continuously move upwards and downwards. The piston 253 moves downwards in the inside of the liquid suction pipe 7 to perform the white spirit extraction work. The white spirit is extracted into the liquid suction pipe 7 through the liquid inlet pipe 231, the water passing hole 22, the butt joint pipe 232, the first connecting pipe 233 and the first one-way valve 235. The piston 253 moves upwards in the inside of the liquid suction pipe 7 to store the extracted white spirit in the storage box 6 through the second one-way valve 236 and the second connecting pipe 234. The sampling operation of the white spirit is completed. After the sampling is completed, the movable rod 4 is driven to move downwards by the top plate 9. The push block 16 is driven to move downwards by the movable rod 4 moving downwards. The push block 16 moving downwards pushes the elastic tab 21 to drive the connecting disc 20 and the rotating column 18 fixedly connected with the connecting disc 20 to rotate. The rotating column 18 drives the connecting valve 8 to rotate, so that the water passing hole 22 in the connecting valve 8 is not opposite to the liquid inlet pipe 231. The liquid inlet pipe 231 is closed.Without extracting the white spirit, the sampling device is taken out of the white spirit.

[0038] The inside of the bottom pipe 2 is provided with a floating assembly 5, which comprises an inner cavity 51 formed in the inside of the bottom pipe 2, and a floating plate 52 arranged in the inner cavity 51. The bottom of the movable rod 4 extends into the inner cavity 51 and is fixedly connected with the floating plate 52. The floating plate 52 is moved upward in the inner cavity 51 under the action of the buoyancy of the white spirit, and pushes the movable rod 4 to move upward at the same time.

[0039] The side wall of the sampling pipe 1 is provided with a liquid discharge valve 3, one end of which extends into the inside of the sampling pipe 1 and communicates with the inside of the sample storage box 6, and is used for discharging the white spirit sample.

[0040] The top of the sampling pipe 1 is provided with a top plate 9, and the movable rod 4 extends from the inside of the sampling pipe 1 to the top of the sampling pipe 1 and is fixedly connected with the top plate 9. The two sides of the top plate 9 are provided with a fixing assembly 10, which comprises a supporting block 102 arranged on the two sides of the top plate 9. A connecting block 103 is transversely arranged in the inside of the supporting block 102. A fixing pin 104 is fixedly arranged on one side of the connecting block 103 and clamped in the inside of a fixing hole 101 formed in the side wall of the top plate 9. A return spring 105 is wound around the outside of the connecting block 103. The fixing pin 104 is pushed into the fixing hole 101 under the action of the elastic force of the return spring 105 to fix the top plate 9. By fixing the top plate 9, the position of the movable rod 4 at the bottom of the top plate 9 and the floating plate 52 is fixed and cannot move. The purpose is to prevent the floating plate 52 from moving upward under the action of the buoyancy of the white spirit when the sampling device is inserted into the white spirit, so that the sampling device samples before it is inserted to the required position in the white spirit. When the sampling device is inserted to the required position in the white spirit, the connecting block 103 is pulled out of the fixing hole 101 to stop fixing the top plate 9. At this time, the floating plate 52 will move upward under the action of the buoyancy of the white spirit.

[0041] The upper and lower ends of one side of the reciprocating frame 11 are provided with a guide assembly 17, which comprises a connecting column 173 fixed to the upper and lower ends of one side of the reciprocating frame 11. A guide block 172 is fixed to the connecting column 173. A guide frame 171 is arranged on the inside wall of the sampling pipe 1. The connecting column 173 and the guide block 172 move together when the reciprocating frame 11 moves up and down. The guide block 172 slides up and down in the guide frame 171. The guide frame 171 and the guide block 172 can guide the up and down movement of the reciprocating frame 11, so that the reciprocating frame 11 can move more stably.

[0042] The inner diameter of the guide frame 171 matches the outer diameter of the guide block 172, and the guide block 172 slides up and down on the inside of the guide frame 171.

[0043] The outer diameter of the rotating column 18 matches the inner diameter of the mounting block 19, and the connecting valve 8 rotates inside the mounting block 19 through the rotating column 18. When the push block 16 moves up to push the elastic tab 21, the connecting disc 20 is driven to rotate through the elastic tab 21, and the connecting disc 20 drives the rotating column 18 to rotate. The connecting valve 8 connected with the rotating column 18 will rotate, so that the water passage 22 in the connecting valve 8 is aligned with the liquid inlet pipe 231.

[0044] The inside of the mounting block 19 is provided with a reset assembly 26, which includes an embedded groove 261. The embedded groove 261 is opened in the inside of the mounting block 19, and the inside of the embedded groove 261 is provided with a coil spring 262. The coil spring 262 is arranged outside the rotating column 18, the end of the inside of the coil spring 262 is fixed on the rotating column 18, and the end of the outside of the coil spring 262 is fixed on the inside wall of the embedded groove 261. When the rotating column 18 rotates under the action of the elastic tab 21, the rotating column 18 rotates inside the mounting block 19, and at the same time drives the coil spring 262 to twist and deform. When the push block 16 moves down with the movable rod 4, the rotating column 18 is restored to the state that the water passage 22 in the connecting valve 8 is not aligned with the liquid inlet pipe 231 by the action of the coil spring 262. At this time, the liquid inlet pipe 231 is closed and the sampling is not performed. At this time, the sampling device in the white spirit can be taken out.

[0045] The inside of the connecting disc 20 is provided with a limiting assembly 24, which includes a limiting groove 242. The limiting groove 242 is opened in the inside of the connecting disc 20, and the inside of the limiting groove 242 is provided with a connecting rod 241. One end of the connecting rod 241 is fixedly connected with the mounting block 19. When the push block 16 moves up to push the elastic tab 21 to drive the connecting disc 20 to rotate, the connecting disc 20 slides outside the connecting rod 241 through the limiting groove 242. The connecting rod 241 and the limiting groove 242 limit the rotation of the rotating column 18, thereby limiting the rotation of the connecting valve 8.

[0046] The outer diameter of the connecting rod 241 matches the inner diameter of the limiting groove 242, and the connecting disc 20 slides outside the connecting rod 241 through the limiting groove 242.

[0047] The water passage 22 in the connecting valve 8 is inclined upward at an angle of 45 degrees. The liquid inlet pipe 231 is not aligned with the water passage 22, as shown in Figure 13 At this time, the water passage 22 is inclined upward at an angle of 45 degrees, and the liquid inlet pipe 231 is not aligned with the water passage 22. When the connecting valve 8 is rotated under the action of the elastic tab 21 to the position shown in Figure 13 At this time, the water passage 22 remains horizontal, and the liquid inlet pipe 231 is aligned with the water passage 22.

[0048] It is to be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0049] The above description is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical solution and the inventive concept of the present application within the technical scope disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. A sampling device for liquor quality detection, comprising a sampling tube (1), a bottom tube (2) arranged at the bottom of the sampling tube (1), and a sample storage box (6) arranged on the inner side wall of the sampling tube (1), characterized in that: The front end of the sample storage box (6) is provided with a liquid extraction pipe (7), the front end of the liquid extraction pipe (7) is provided with a connecting valve (8), the interior of the connecting valve (8) is provided with a water hole (22), both sides of the connecting valve (8) are fixed with a rotating column (18), the outer sleeve of the rotating column (18) is provided with a mounting block (19), the mounting block (19) is fixed on the inner wall of the sampling tube (1), one end of the mounting block (19) is provided with a connecting disk (20), the connecting disk (20) is fixed on the rotating column (18), the side wall of the connecting disk (20) is fixed with an elastic paddle (21), the front end of the connecting valve (8) is provided with a liquid extraction component (23), the liquid extraction component (23) includes a liquid inlet pipe (231), an inlet pipe (232), and a connecting plate (20) connected to the connecting plate (20). A liquid pipe (231) is provided at the front end of the connecting valve (8), the liquid inlet pipe (231) extends from the inner wall of the sampling tube (1) to the outside thereof, a butt joint pipe (232) is provided at the rear end of the connecting valve (8), a first connecting pipe (233) is provided on the butt joint pipe (232), a first one-way valve (235) is provided at the front end of the liquid extraction pipe (7), the first one-way valve (235) is connected to the first connecting pipe (233), a second one-way valve (236) is provided at the rear end of the liquid extraction pipe (7), a second connecting pipe (234) is provided on the second one-way valve (236), one end of the second connecting pipe (234) is placed on the top of the sample storage box (6) and is connected to the interior of the sample storage box (6); A reciprocating frame (11) is provided on both sides of the liquid extraction tube (7), and teeth are provided on both sides of the interior of the reciprocating frame (11). A connecting gear (12) is provided inside the reciprocating frame (11), and the connecting gear (12) is half-toothed and meshes with the reciprocating frame (11). A driven gear (13) is fixed on the connecting gear (12), and a driving gear (14) is meshed on one side of the driven gear (13). A movable rod (4) is provided on one side of the driving gear (14). The movable rod (4) is located between the connecting disk (20) and the driving gear (14) and longitudinally penetrates the interior of the sampling tube (1). A tooth block (15) is provided on one side of the movable rod (4). The movable rod (4) is meshed with the driving gear (14) through the tooth block (15), and a push block (16) is provided on the other side of the movable rod (4), and the side wall of the push block (16) contacts the elastic pick (21). A reciprocating assembly (25) is provided inside the liquid extraction tube (7), and the reciprocating assembly (25) includes a piston (253). The piston (253) is provided inside the liquid extraction tube (7), and a reciprocating rod (251) is fixed at the middle position of the bottom of the piston (253). The reciprocating rod (251) extends from the bottom of the liquid extraction tube (7), and a connecting frame (252) is fixed at its end. Both sides of the connecting frame (252) are fixedly connected to the reciprocating frame (11); A floating assembly (5) is provided inside the bottom tube (2), the floating assembly (5) comprising a built-in cavity (51), the built-in cavity (51) being opened inside the bottom tube (2), a floating board (52) being provided inside the built-in cavity (51), and the bottom of the movable rod (4) extending into the built-in cavity (51) and being fixedly connected to the floating board (52).

2. A sampling device for liquor quality detection according to claim 1, characterized in that: A drain valve (3) is provided on the side wall of the sampling tube (1), one end of which extends into the interior of the sampling tube (1) and is connected to the interior of the sample storage box (6), and is used for discharging the liquor sample.

3. The sampling device for liquor quality detection according to claim 1, characterized in that: A top plate (9) is provided on the top of the sampling tube (1), the movable rod (4) extends from the inside of the sampling tube (1) to the top of the sampling tube (1) and is fixedly connected to the top plate (9), and a fixing assembly (10) is provided on both sides of the top plate (9), and the fixing assembly (10) includes a support block (102), and the support block (102) is provided on both sides of the top plate (9), and a connecting block (103) is horizontally passed through the inside of the support block (102), and a fixing pin (104) is fixed on one side of the connecting block (103), and the fixing pin (104) is stuck in the inside of the fixing hole (101), and the fixing hole (101) is opened on the side wall of the top plate (9), and a reset spring (105) is wound around the outside of the connecting block (103).

4. A sampling device for liquor quality detection according to claim 1, characterized in that: The upper and lower ends of one side of the reciprocating frame (11) are both provided with guide assemblies (17), and the guide assemblies (17) include connecting columns (173). The connecting columns (173) are both fixed to the upper and lower ends of one side of the reciprocating frame (11). A guide block (172) is fixed on the connecting column (173). A guide frame (171) is provided outside the guide block (172), and the guide frame (171) is fixed to the inner wall of the sampling tube (1).

5. A sampling device for liquor quality detection according to claim 4, characterized in that: The inner diameter of the guide frame (171) matches the outer diameter of the guide block (172), and the guide block (172) slides up and down inside the guide frame (171).

6. The sampling device for liquor quality detection according to claim 1, characterized in that: The outer diameter of the rotating column (18) matches the inner diameter of the mounting block (19), and the connecting valve (8) rotates inside the mounting block (19) via the rotating column (18).

7. The sampling device for liquor quality detection according to claim 1, characterized in that: A reset assembly (26) is provided inside the mounting block (19), and the reset assembly (26) includes a built-in groove (261). The built-in groove (261) is opened inside the mounting block (19), and a coil spring (262) is provided inside the built-in groove (261). The coil spring (262) is wound around the outside of the rotating column (18), and the inner end of the coil spring (262) is fixed to the rotating column (18), and the outer end of the coil spring (262) is fixed to the inner side wall of the built-in groove (261).

8. The sampling device for liquor quality detection according to claim 1, characterized in that: A limiting assembly (24) is provided inside the connecting disk (20), and the limiting assembly (24) includes a limiting groove (242). The limiting groove (242) is opened inside the connecting disk (20), and a connecting rod (241) is provided inside the limiting groove (242). One end of the connecting rod (241) is fixedly connected to the mounting block (19).

9. A sampling device for liquor quality detection according to claim 8, characterized in that: The outer diameter of the connecting rod (241) matches the inner diameter of the limiting groove (242), and the connecting disk (20) slides outside the connecting rod (241) through the limiting groove (242).

10. The sampling device for liquor quality detection according to claim 1, characterized in that: The water hole (22) inside the connecting valve (8) is inclined upward at an angle of 45 degrees, and the liquid inlet pipe (231) is not aligned with the water hole (22).

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