CN213680681U

CN213680681U - Plant virus detection sample extraction element

Info

Publication number: CN213680681U
Application number: CN202022422209.0U
Authority: CN
Inventors: 潘英文; 吴华; 张盛敏; 方思齐; 李佳潼; 王安石; 陈施明
Original assignee: Haikou Customs Tropical Plant Isolation And Quarantine Center
Current assignee: Haikou Customs Tropical Plant Isolation And Quarantine Center
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-07-13
Anticipated expiration: 2030-10-27

Abstract

The utility model provides a plant virus detection sample extraction device, which belongs to the technical field of sample extraction, and comprises an extraction mechanism and a grinding mechanism, wherein the extraction mechanism comprises a sample tube, a grinding tube and a connecting sleeve, one end of the sample tube is opened, the outer side of the sample tube is provided with an external thread, and is matched with a thread sealing cover, a fixed plate is fixed at one end of a spring away from a supporting rod, the surface of the fixed plate is provided with a sliding groove block, the inside of the sliding groove block is connected with a rack in a sliding way, a grinding pestle is rotationally connected in the fixed plate, the outer side of the gear is parallel to the sliding groove block, the rack is meshed with the gear, one end of the connecting sleeve is attached to one surface of the fixed plate away from the sliding groove block, the plant virus detection sample extraction device utilizes the matching of the gear and the rack to carry out, the sample is collected in the sample tube, so that the sample does not need to contact the external environment, the probability of sample pollution is reduced, and the reliability of a detection result is ensured.

Description

Plant virus detection sample extraction element

Technical Field

The utility model relates to a sample draws the field, particularly, relates to a plant virus detects sample extraction element.

Background

Plant virus infection causes severe agricultural production loss, and plant virus detection and prevention play an important role in current agricultural production. Plant virus detection samples are detected by using plant tissues such as stems and leaves, and juice is extracted by grinding, squeezing and other methods generally due to the characteristics of low concentration, uneven distribution and the like of the plant virus in the plant tissues. In the extraction element sample that uses commonly at present need shift to the sample pipe after, the sample can contact with external environment, causes the sample pollution easily, can cause the influence to the testing result. How to extract plant virus detection samples efficiently and quickly and avoid polluting the detection samples becomes a problem to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a plant virus detects sample extraction element adopts the cooperation of gear and rack to carry out rotatory grinding, and the sample is collected in the sample cell, makes the sample need not contact external environment, reduces the probability that the sample pollutes, guarantees the reliability of testing result.

The utility model discloses a realize like this:

the utility model provides a plant virus detection sample extraction element, including drawing the mechanism and grinding the mechanism.

The extraction mechanism comprises a sample tube, a grinding tube and a connecting sleeve, wherein one end of the sample tube is opened, an external thread is arranged on the outer side of the sample tube, one end of the external thread is provided with a sealing cover, the sealing cover is in threaded connection with one end of the sample tube, one end of the grinding tube is hung at the opening of the sample tube, the grinding tube extends into the sample tube, one end of the grinding tube is provided with a plurality of through holes, the connecting sleeve is opened up from top to bottom, the inner wall of the connecting sleeve is provided with an internal thread, and the connecting sleeve is in threaded connection with one end of the external thread.

The grinding mechanism comprises a grinding pestle, a rotating rod, a base, support rods, a spring and a fixing plate, wherein one end of the grinding pestle is provided with a convex block, one end of the grinding pestle extends into the bottom of the grinding pipe, one end of the rotating rod is provided with a gear, the gear is fixed on the rotating rod, one end of the rotating rod, which is far away from the gear, is provided with a first groove, the first groove is attached to the convex block, two support rods are symmetrically fixed on two sides of the base, the spring is fixed on one end of the support rods, which is far away from the base, the fixing plate is fixed on one end of the spring, which is far away from the support rods, the surface of the fixing plate is provided with a sliding groove block, a rack is connected in the sliding groove block in a sliding manner, the grinding pestle is rotatably connected in the fixing plate, the outer, one end of the connecting sleeve is attached to one surface, far away from the sliding groove block, of the fixing plate.

The utility model discloses an in one embodiment, the sample cell is close to external screw thread below is equipped with the fixture block.

The utility model discloses an in one embodiment, the adapter sleeve is close to the internal thread top is equipped with the spacing collar, the adapter sleeve is close to the spacing collar below is equipped with the bleeder vent.

In an embodiment of the present invention, the end of the grinding pestle away from the protruding block is provided with a frosted layer.

In an embodiment of the present invention, two be equipped with the backup pad between the branch, the adapter sleeve passes the backup pad surface, adapter sleeve sliding connection be in the backup pad.

In an embodiment of the present invention, the base surface is provided with a second groove, and one end of the sample tube is attached to the second groove.

The utility model discloses an in the embodiment, be equipped with the bearing frame in the middle of the fixed plate, the dwang is fixed in the bearing frame.

The utility model discloses an in one embodiment, the backup pad surface is equipped with the third recess, the adapter sleeve outside is equipped with the dog, the dog card is in the third recess.

In an embodiment of the present invention, the rack is provided with a pull ring at one end, and the length of the rack is greater than the length of the sliding block.

In an embodiment of the present invention, a gap between the sliding groove block and the gear is equal to a thickness of the rack.

The utility model has the advantages that: the utility model discloses a plant virus detection sample extraction element who obtains through above-mentioned design, when using, put into the grinding pipe with the plant sample that needs to draw, place grinding pipe in the sample tube, stretch into grinding pipe with grinding pestle one end, fix between grinding pestle and the sample tube with the adapter sleeve, pull up the fixed plate of spring one end, put fixed sample tube into the grinding pestle one end of fixing on the fixed plate, press the fixed plate downwards, compress tightly grinding pestle one end in the grinding pipe bottom, inject the rack into the spout piece, the gear that the rack drove one end of dwang rotates and grinds, after the grinding finishes, pull up the fixed plate, take off the extraction mechanism, can take away the sample through the adapter sleeve by screwing down, this plant virus detection sample extraction element utilizes the cooperation of gear and rack to carry out rotary grinding not only laborsavingly, and the sample is collected in the sample tube, the sample does not need to contact the external environment, the probability of sample pollution is reduced, and the reliability of the detection result is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the overall structure of a plant virus detection sample extraction device provided in the embodiment of the present invention;

fig. 2 is a schematic view of an internal structure of a sampling tube according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of a connecting sleeve according to an embodiment of the present invention;

fig. 4 is a schematic view of a rack structure provided in an embodiment of the present invention;

fig. 5 is a schematic structural view of one end of a rotating rod according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a fixing plate according to an embodiment of the present invention;

fig. 7 is a schematic structural view of one end of a grinding pipe according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a support plate according to an embodiment of the present invention;

fig. 9 is a schematic view of a base structure according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a sealing cover according to an embodiment of the present invention.

In the figure: 100-an extraction mechanism; 110-sample tube; 111-external threads; 112-a fixture block; 120-a grinding tube; 121-a through hole; 130-a connecting sleeve; 131-internal threads; 132-a stop collar; 133-air holes; 134-a stop; 140-a sealing cover; 200-a grinding mechanism; 210-grinding a pestle; 211-bumps; 212-sanding layer; 221-gear; 222-a first groove; 220-rotating rod; 230-a base; 231-a second groove; 240-strut; 250-a spring; 260-a fixed plate; 261-a chute block; 262-a rack; 2621-tab; 263-bearing seat; 280-a support plate; 281-third recess.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a technical solution: a plant virus detection sample extraction device comprises an extraction mechanism 100 and a grinding mechanism 200.

Referring to fig. 1, 2, 3 and 7, the extraction mechanism 100 includes a sample tube 110, a grinding tube 120 and a connection sleeve 130, one end of the sample tube 110 is opened, an external thread 111 is disposed on the outer side of the sample tube 110, a sealing cap 140 is disposed at one end of the sample tube 110 with the external thread 111, the sealing cap 140 is screwed to one end of the sample tube 110, after sampling is completed, the sealing cap 140 is used for sealing, a fixture block 112 is disposed below the sample tube 110 close to the external thread 111, one end of the grinding tube 120 is hung at an opening of the sample tube 110, the grinding tube 120 extends into the sample tube 110, a plurality of through holes 121 are disposed at one end of the grinding tube 120, the connection sleeve 130 is opened up and down, an internal thread 131 is disposed on the inner wall of the connection sleeve 130, a limit ring 132 is disposed above the connection sleeve 130 close to.

Referring to fig. 1, 2, 3, 4, 5, 6, 8 and 9, the grinding mechanism 200 includes a grinding pestle 210, a rotating rod 220, a base 230, support rods 240, a spring 250 and a fixing plate 260, wherein a protrusion 211 is disposed at an end of the grinding pestle 210, a sand layer 212 is disposed at an end of the grinding pestle 210 away from the protrusion 211, an end of the grinding pestle 210 extends into the bottom of the grinding tube 120, a gear 221 is disposed at an end of the rotating rod 220, the gear 221 is fixed on the rotating rod 220, a first recess 222 is disposed at an end of the rotating rod 220 away from the gear 221, the first recess 222 is attached to the protrusion 211, two support rods 240 are disposed, two support rods 240 are symmetrically fixed at two sides of the base 230, the spring 250 is fixed at an end of the support rod 240 away from the base 230, a second recess 231 is disposed on a surface of the base 230, an end of the sample tube 110 is attached to the second recess, a support plate 280 is, the outer side of the connecting sleeve 130 is provided with a stop block 134, the stop block 134 is clamped in the third groove 281, the connecting sleeve 130 is slidably connected in the supporting plate 280, the fixing plate 260 is fixed at one end of the spring 250 far away from the supporting rod 240, the surface of the fixing plate 260 is provided with a sliding groove block 261, a gap between the sliding groove block 261 and the gear 221 is equal to the thickness of the rack 262, the middle of the fixing plate 260 is provided with a bearing seat 263, the rotating rod 220 is fixed in the bearing seat 263, the inside of the sliding groove block 261 is slidably connected with the rack 262, one end of the rack 262 is provided with a pull ring 2621, the length of the rack 262 is greater than that of the sliding groove block 261, the grinding pestle 210 is rotatably connected in the fixing plate 260, the outer side of the gear.

Specifically, this plant virus detects sample extraction element's theory of operation: when the device works, a plant sample to be extracted is placed into the grinding tube 120, the grinding tube 120 is placed into the sample tube 110, one end of the grinding pestle 210 extends into the grinding tube 120, the connecting sleeve 130 is used for fixing the grinding pestle 210 and the sample tube 110, the fixing plate 260 at one end of the spring 250 is pulled up, the fixed sample tube 110 is placed into one end of the grinding pestle 210 fixed on the fixing plate 260, the sample tube 110 is placed in the middle of the supporting plate 280, the fixing plate 260 is pressed downwards, the sand layer 212 at one end of the grinding pestle 210 is pressed at the bottom of the grinding tube 120, the rack 262 is inserted into the sliding groove block 261, the rack 262 is pulled to drive the gear 221 at one end of the rotating rod 220 to rotate for grinding, after grinding is finished, the fixing plate 260 is pulled up, the extraction mechanism 100 is taken down, the connecting sleeve 130 is screwed down, and the sample can be taken away through.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A plant virus detection sample extraction device is characterized by comprising

An extraction mechanism (100), wherein the extraction mechanism (100) comprises a sample tube (110), a grinding tube (120) and a connecting sleeve (130), one end of the sample tube (110) is opened, the outer side of the sample tube (110) is provided with an external thread (111), one end of the sample tube (110) with the external thread (111) is provided with a sealing cover (140), the sealing cover (140) is in threaded connection with one end of the sample tube (110), one end of the grinding tube (120) is hung at the opening of the sample tube (110), the grinding tube (120) extends into the sample tube (110), one end of the grinding tube (120) is provided with a plurality of through holes (121), the connecting sleeve (130) is opened up and down, the inner wall of the connecting sleeve (130) is provided with internal threads (131), the connecting sleeve (130) is in threaded connection with one end of the sample tube (110) provided with an external thread (111);

the grinding mechanism (200) comprises a grinding pestle (210), a rotating rod (220), a base (230), supporting rods (240), springs (250) and a fixing plate (260), wherein a convex block (211) is arranged at one end of the grinding pestle (210), one end of the grinding pestle (210) extends into the bottom of the grinding pipe (120), a gear (221) is arranged at one end of the rotating rod (220), the gear (221) is fixed on the rotating rod (220), a first groove (222) is arranged at one end, far away from the gear (221), of the rotating rod (220), the first groove (222) is attached to the convex block (211), two supporting rods (240) are arranged on the two sides of the base (230), the springs (250) are fixed at one ends, far away from the base (230), of the fixing plate (260) is fixed at one ends, far away from the supporting rods (240), of the springs (250), the surface of the fixing plate (260) is provided with a sliding groove block (261), a rack (262) is connected to the inside of the sliding groove block (261) in a sliding mode, the grinding pestle (210) is rotatably connected into the fixing plate (260), the outer side of the gear (221) is parallel to the sliding groove block (261), the rack (262) is meshed with the gear (221), and one end of the connecting sleeve (130) is attached to one surface, far away from the sliding groove block (261), of the fixing plate (260).

2. The device for extracting the plant virus detection sample according to claim 1, wherein a fixture block (112) is arranged below the sample tube (110) and close to the external thread (111).

3. The device for extracting the plant virus detection sample as claimed in claim 2, wherein a limiting ring (132) is arranged above the connecting sleeve (130) close to the internal thread (131), and a vent hole (133) is arranged below the connecting sleeve (130) close to the limiting ring (132).

4. A plant virus detection sample extraction device according to claim 3, wherein the end of the grinding pestle (210) away from the projection (211) is provided with a grinding layer (212).

5. A plant virus detection sample extraction device according to claim 4, wherein a support plate (280) is arranged between the two support rods (240), the connection sleeve (130) penetrates through the surface of the support plate (280), and the connection sleeve (130) is slidably connected in the support plate (280).

6. The device for extracting the plant virus detection sample according to claim 5, wherein a second groove (231) is formed on the surface of the base (230), and one end of the sample tube (110) is attached to the second groove (231).

7. The plant virus detection sample extraction device of claim 6, wherein a bearing seat (263) is arranged in the middle of the fixing plate (260), and the rotating rod (220) is fixed in the bearing seat (263).

8. The device for extracting the plant virus detection sample as claimed in claim 7, wherein a third groove (281) is formed on the surface of the supporting plate (280), a stopper (134) is arranged outside the connecting sleeve (130), and the stopper (134) is clamped in the third groove (281).

9. The device for extracting the sample for detecting the plant viruses as claimed in claim 8, wherein a pull ring (2621) is arranged at one end of the rack (262), and the length of the rack (262) is greater than that of the chute block (261).

10. A plant virus detection sample extraction device according to claim 9, wherein the clearance between the slide block (261) and the gear (221) is equal to the thickness of the rack (262).