CN219245158U - Sample preparation device for agricultural product microorganism detection - Google Patents

Abstract

The utility model discloses a sample preparation device for detecting agricultural product microorganisms, which comprises a grinding groove body, wherein an extrusion groove is formed in the top end of the grinding groove body, guide posts are fixed on two sides of the top of the grinding groove body, a top plate is fixed on the top end of each guide post, hydraulic cylinders are fixed on two sides of the bottom of each top plate, a cross rod is fixed at the output end of each hydraulic cylinder, a pestle rod is inserted in the middle of each cross rod, a pressing block is fixed at the bottom end of each pestle rod, a sealing cover is sleeved outside the lower end of each pestle rod, the center of each sealing cover is sleeved outside the pestle rod through a sliding sleeve in a sliding mode, a fixing ring which is fixedly sleeved outside the pestle rod is arranged above each sliding sleeve, and a spring which is sleeved outside the pestle rod is arranged between each fixing ring and each sliding sleeve. This sample preparation device that agricultural product microorganism detected usefulness can play sealed effect to the opening part of milling groove, avoids the agricultural product sample to appear the problem that juice splashes when being extrudeed to improve the effect to sample juice collection.

Description

Sample preparation device for agricultural product microorganism detection

Technical Field

The utility model relates to the technical field of agricultural product microorganism detection, in particular to a sample preparation device for agricultural product microorganism detection.

Background

The microorganism is a general name of all micro-organisms which are difficult to see by naked eyes and can be observed by an optical microscope or an electron microscope, has the characteristics of wide distribution, strong growth and reproduction capability, various types, easy culture, easy variation, high metabolic capability, strong adaptability and the like, plays an important role in product quality control and product research and development, and particularly plays an important role in the agricultural product field, and can analyze various index conditions of agricultural products when detecting agricultural product microorganisms.

At present, a sample is required to be manufactured before agricultural product microorganism detection, namely juice of agricultural products is obtained through a sample preparation device, the juice is collected and then detected, most of the existing sample preparation devices for agricultural product microorganism detection are used for extruding liquid through extrusion, the method is that the agricultural product sample is placed in a grinding groove and extruded through a pressing block, but most of the existing grinding grooves are of an open structure for facilitating cleaning of solid media, so that the problem that juice splashes easily occurs when the agricultural product sample is extruded, the effect of collecting the juice of the sample is reduced, and the requirements of sample preparation are difficult to meet.

Disclosure of Invention

The utility model aims to provide a sample preparation device for detecting agricultural product microorganisms, which solves the problem that juice is easy to splash when an agricultural product sample is extruded because part of sample grinding grooves are of an open structure for facilitating cleaning of solid media when the sample preparation device for detecting agricultural product microorganisms is used for preparing samples in a liquid extrusion mode.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sample preparation device that agricultural product microorganism detected usefulness, includes the grinding groove body, the inside on grinding groove body top is equipped with the extrusion groove, the both sides at grinding groove body top all are fixed with the guide post, the top of guide post is fixed with the roof, the both sides of roof bottom all are fixed with the pneumatic cylinder, the output of pneumatic cylinder is fixed with the horizontal pole, the inside interlude in the middle of the horizontal pole has the pestle pole, the bottom mounting of pestle pole has the briquetting, just the outside cover of pestle pole lower extreme is equipped with the sealed cowling, the outside at the pestle pole is established through the sliding sleeve slip cap in the center department of sealed cowling, just the top of sliding sleeve is equipped with fixed cover and establishes the solid fixed ring outside the pestle pole, be equipped with the cover between solid fixed ring and the sliding sleeve and establish the outside spring of pestle pole.

Preferably, the diameter of the sealing cover is larger than the inner diameter of the extrusion groove, and a rubber sealing gasket is fixedly bonded at the bottom of the sealing cover.

Preferably, an opening is formed in the middle of the cross rod, a positioning shaft is fixed to the opening in the middle of the cross rod, and the upper end of the pestle rod is slidably sleeved on the outer portion of the positioning shaft.

Preferably, the openings of the positioning shafts in the middle of the cross rod are transversely distributed, and two ends of the positioning shafts are connected with inner walls of two sides of the openings in the middle of the cross rod through bearings.

Preferably, an overflow port is arranged at the center of the bottom wall of the extrusion groove, and a liquid outlet pipe communicated with the overflow port of the bottom wall of the extrusion groove is arranged in the middle of the front end of the grinding groove body.

Preferably, the two sides of the cross bar are both fixed with movable sleeves, and the movable sleeves are sleeved outside the guide posts in a sliding manner.

Compared with the prior art, the utility model has the beneficial effects that: this sample preparation device that agricultural product microorganism detected usefulness can play sealed effect to the opening part of milling groove, avoids the agricultural product sample to appear the problem that juice splashes when being extrudeed to improve the effect to sample juice collection. The device is through placing the agricultural product sample that needs the extrusion to go out liquid in the extrusion inslot of grinding groove body, when the pestle pole drives the briquetting under the drive of pneumatic cylinder and stretches into the extrusion inslot and extrude the sample, the sealed cowling that pestle pole bottom outside was equipped with can flexible under the effort of spring support the top surface at grinding groove body to play the sealed effect of isolation to the opening part of extrusion groove, the problem that the juice splashes appears when preventing that the agricultural product sample is extruded.

Drawings

FIG. 1 is a schematic diagram of a sample preparation device for detecting microorganisms in agricultural products according to the present utility model;

FIG. 2 is a schematic view of the outer structure of the bottom end of a pestle rod of a sample preparation device for detecting microorganisms in agricultural products;

fig. 3 is a schematic diagram of a connecting structure between a pestle rod and a cross rod of a sample preparation device for detecting microorganisms in agricultural products.

In the figure: 1. a milling groove body; 2. an extrusion groove; 3. a liquid outlet pipe; 4. a pestle rod; 5. briquetting; 6. a guide post; 7. a top plate; 8. a hydraulic cylinder; 9. a cross bar; 10. a sealing cover; 11. a movable sleeve; 12. a fixing ring; 13. a spring; 14. a sliding sleeve; 15. and positioning the shaft.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a sample preparation device for agricultural product microorganism detection, including grinding groove body 1, the inside on grinding groove body 1 top is equipped with extrusion groove 2, the both sides at grinding groove body 1 top all welded fastening has guide post 6, the top welded fastening of guide post 6 has roof 7, the both sides of roof 7 bottom all are fixed with pneumatic cylinder 8 through the bolt, the output of pneumatic cylinder 8 is fixed with horizontal pole 9, the inside interlude in the middle of horizontal pole 9 has pestle pole 4, the bottom of pestle pole 4 is fixed with briquetting 5, and the outside cover of pestle pole 4 lower extreme is equipped with sealed cowling 10, the center department of sealed cowling 10 is established in the outside of pestle pole 4 through sliding sleeve 14 slip cap, and the top of sliding sleeve 14 is equipped with fixed ring 12 that the fixed cover was established in the outside of pestle pole 4, fixed ring 12 constitutes integrated into the structure with pestle pole 4, be equipped with the spring 13 of cover in the outside of pestle pole 4 between fixed ring 12 and the sliding sleeve 14, in the structure, when the grinding groove body 1 is used for preparing samples by placing agricultural product samples in the extrusion groove 2 and adopting an extrusion liquid outlet mode, the hydraulic cylinder 8 can drive the cross rod 9 to push downwards between the guide posts 6 through driving at the bottom of the top plate 7, the cross rod 9 can drive the pressing block 5 to extend into the extrusion groove 2 through the pestle rod 4 when pushing downwards so as to extrude the agricultural product samples in the extrusion groove 2, the pestle rod 4 can drive the sealing cover 10 to contact the top surface of the grinding groove body 1 in the downward pushing process, the sliding sleeve 14 can slide outside the pestle rod 4 after the sealing cover 10 is subjected to the pressing force, the spring 13 is extruded through matching with the fixed ring 12 when the sliding sleeve 14 slides, so that the sealing cover 10 can flexibly press the top surface of the grinding groove body 1 under the elastic action of the spring 13 so as to play an effective sealing effect on the opening of the extrusion groove 2, the problem that juice splashes when the pressing block 5 extrudes agricultural product samples in the extrusion groove 2 is solved, the effect of collecting the juice of the samples is effectively improved, the requirement of sample preparation is met, the diameter of the sealing cover 10 is larger than the inner diameter of the extrusion groove 2, the rubber sealing gasket is fixedly adhered to the bottom of the sealing cover 10, the sealing cover 10 of the structure can be abutted against the opening of the extrusion groove 2 more in a laminated manner, the sealing effect of the extrusion groove 2 is guaranteed, an opening is arranged in the middle of the cross rod 9, a positioning shaft 15 is fixedly arranged in the middle of the cross rod 9, the upper end of the pestle rod 4 is slidably sleeved outside the positioning shaft 15, the pestle rod 4 of the structure can transversely move on the cross rod 9 through sliding outside the positioning shaft 15, so that the pestle rod 4 can drive the pressing block 5 to move to different transverse positions in the extrusion groove 2 to more effectively extrude the agricultural product samples in the extrusion groove 2, the positioning shaft 15 is transversely distributed at the opening in the middle of the cross rod 9, two ends of the positioning shaft 15 are connected with the inner walls of two sides of the opening in the middle of the cross rod 9 through bearings, the positioning shaft 15 with the structure can also drive the pestle rod 4 to move back and forth through rotation, the pestle rod 4 can drive the pressing block 5 to move to different front and back positions in the extrusion groove 2 during the back and forth movement, the effect of extruding agricultural product samples in the extrusion groove 2 is further improved, an overflow port is arranged at the center of the bottom wall of the extrusion groove 2, a liquid outlet pipe 3 communicated with the overflow port of the bottom wall of the extrusion groove 2 is arranged in the middle of the front end of the grinding groove body 1, juice produced by extrusion in the extrusion groove 2 with the structure can flow into the liquid outlet pipe 3 through the overflow port, a detector can conveniently collect the sample juice through the liquid outlet pipe 3, two sides of the cross rod 9 are fixedly welded with a movable sleeve 11, the movable sleeve 11 is slidably sleeved outside the guide post 6, and the cross rod 9 with the structure can drive the movable sleeve 11 to slide along the outside of the guide post 6 in the downward pushing process, so that the stability of the cross rod 9 in the downward pushing process is improved.

Working principle: when the sample preparation device for detecting agricultural product microorganisms is used, firstly agricultural product samples are uniformly placed in the extrusion groove 2 at the top of the grinding groove body 1, when the pressing block 5 is driven by the pestle rod 4 to extrude the agricultural product samples, the hydraulic cylinder 8 is started, the hydraulic cylinder 8 can drive the cross rod 9 to push downwards when being driven by the bottom of the top plate 7, the cross rod 9 can simultaneously drive the movable sleeve 11 to slide along the outer part of the guide post 6 in the downward pushing process, until the pressing block 5 is driven by the pestle rod 4 to extend into the extrusion groove 2 in the pushing process of the cross rod 9, the pressing block 5 can be lifted up and down in the extrusion groove 2 to extrude the agricultural product samples, when the extrusion position of the pressing block 5 in the extrusion groove 2 is required to be regulated, a detector can hold the hand at the top end of the pestle rod 4 and slide outside the positioning shaft 15, moreover, the pestle rod 4 can also move back and forth through the rotation of the positioning shaft 15, so that the pressing block 5 can press agricultural product samples distributed at different positions in the pressing groove 2, meanwhile, when the pestle rod 4 is pushed downwards, the sealing cover 10 is also driven to contact the top surface of the grinding groove body 1, the sealing cover 10 can slide the sliding sleeve 14 outside the pestle rod 4 after being subjected to the acting force of pressing, the spring 13 can be compressed at the bottom of the fixed ring 12 when the sliding sleeve 14 slides, at the moment, the sealing cover 10 can flexibly press the top surface of the grinding groove body 1 under the elastic action of the spring 13 to block splashing juice generated when the sample juice is pressed, finally, the juice generated by pressing in the pressing groove 2 flows into the liquid outlet pipe 3 through the overflow port at the center of the bottom, and then the detection personnel collect the sample juice through the liquid outlet pipe 3, thereby completing a series of works.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a sample preparation device that agricultural product microorganism detected usefulness, includes grinds groove body (1), the inside on grinds groove body (1) top is equipped with extrusion groove (2), its characterized in that: the utility model discloses a grinding groove for the automobile, including grinding groove body (1), cylinder (4), sealing cover (10), slide sleeve (14) are passed through in the center department of sealing cover (10) and are established in the outside of pestle (4), just the top of slide sleeve (14) is equipped with fixed cover and establishes in the outside solid fixed ring (12) of pestle (4), be equipped with spring (13) of cover outside pestle (4) between solid fixed ring (12) and slide sleeve (14) in the middle of the output of pneumatic cylinder (8) is fixed with horizontal pole (9), the bottom mounting of pestle (4) has briquetting (5), just the outside cover of pestle (4) is equipped with sealed cowling (10), the outside of pestle (4) is established through slide sleeve (14) slip sleeve in the center department, just the top of slide sleeve (14) is equipped with fixed cover and establishes outside solid fixed ring (12) of pestle (4).

2. A sample preparation device for microbiological detection of agricultural products according to claim 1, wherein: the diameter of the sealing cover (10) is larger than the inner diameter of the extrusion groove (2), and a rubber sealing gasket is fixedly adhered to the bottom of the sealing cover (10).

3. A sample preparation device for microbiological detection of agricultural products according to claim 1, wherein: the inside in the middle of horizontal pole (9) is equipped with the opening, the opening in the middle of horizontal pole (9) is fixed with location axle (15), just the outside at location axle (15) is established to the upper end slip cap of pestle pole (4).

4. A sample preparation device for microbiological detection of agricultural products according to claim 3, wherein: the locating shafts (15) are transversely distributed in the middle of the cross rod (9), and two ends of each locating shaft (15) are connected with inner walls of two sides of the middle opening of the cross rod (9) through bearings.

5. A sample preparation device for microbiological detection of agricultural products according to claim 1, wherein: an overflow port is arranged at the center of the bottom wall of the extrusion groove (2), and a liquid outlet pipe (3) communicated with the overflow port of the bottom wall of the extrusion groove (2) is arranged in the middle of the front end of the grinding groove body (1).

6. A sample preparation device for microbiological detection of agricultural products according to claim 1, wherein: the two sides of the cross rod (9) are both fixed with movable sleeves (11), and the movable sleeves (11) are slidably sleeved outside the guide posts (6).

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