CN219369303U - Plant virus detection sample extraction device - Google Patents

Abstract

The utility model relates to the technical field of plant virus detection, and discloses a plant virus detection sample extraction device which comprises a collection box. This plant virus detects sample extraction element, through the inside of putting into the collection box with the plant sample plant branch and leaf that needs to draw, grab handle downwardly pulling and bring T word pole and locating piece to descend, the locating piece descends and draws two telescopic links and bring two steering seal doors to fold, the steering seal door of polishing into the cutting knife form will go deep into the inside sample plant branch and leaf cutting of collection box, realize the cutting to sample plant branch and leaf, make the lead screw remove when rotatory under the effect of screwed pipe, the lead screw removes and push the juice pressing piece and remove the extrusion juice to the inside sample plant branch and leaf of collection box, sample plant branch and leaf juice passes through the filter screen and filters whereabouts and get into inside the collection of internal thread sample pipe through external screw thread connector, through running through internal thread sample pipe surface scale groove observe need juice volume can, realize that the sample need not contact external environment.

Description

Plant virus detection sample extraction device

Technical Field

The utility model relates to the technical field of plant virus detection, in particular to a plant virus detection sample extraction device.

Background

Customs is an entry and exit supervision and management authority of the country. The method has the important functions of supervising and managing import and export goods, passenger baggage, postal articles and inbound and outbound transportation tools, and in order to ensure the legitimacy of the goods and the articles, the goods are required to be detected, especially, the goods are checked by health quarantine, animal and plant quarantine, commodity inspection and the like, and the damage of agricultural production is serious due to the infection of foreign plants such as viruses, so that the plant virus detection and prevention have important positions in the current agricultural production.

Plant virus detection samples are generally used for detecting plant tissues such as stems and leaves, juice is extracted through grinding, squeezing and other methods, a currently commonly used extraction device is required to be transferred into a sample tube after sampling, the sample can be contacted with the external environment, sample pollution is easy to cause, and the detection result can be influenced.

Disclosure of Invention

In order to overcome the technical defects of the prior art, the utility model provides a plant virus detection sample extraction device, which aims to solve the problems that the traditional plant virus detection method provided in the background art extracts juice through grinding, squeezing and other methods, the current commonly used extraction device needs to be transferred into a sample tube after sampling, the sample can be contacted with the external environment, sample pollution is easy to cause, and the detection result is influenced.

The technical scheme adopted by the utility model is as follows: the utility model provides a plant virus detects sample extraction element, includes gathers the box, gather the bottom surface of box and run through and install external screw thread joint, and gather the internally mounted of box and have crossed the filter screen, the below of gathering the box is provided with the internal thread sample tube, and the surface sculpture of internal thread sample tube has the scale, gather the surface of box and run through and install the screwed pipe, the inside sliding connection of gathering the box has the juice pressing block, the surface rotation of juice pressing block is connected with the lead screw, and lead screw threaded connection is in the inside of screwed pipe, gather the surface mounting of box has shutdown mechanism.

Preferably, a handle is arranged at one end of the screw rod, which is far away from the juice pressing block, and a protection lug is arranged on the outer surface of the handle.

Preferably, the bottom end of the collecting box is conical.

Preferably, the shutdown mechanism is including turning to sealing door, the top surface of gathering the box rotates and is connected with two sealing doors that turn to, and two one end that sealing door is close to each other is polished into the cutting knife form, two the surface that turns to sealing door is all rotated and is connected with the telescopic link, the casing is installed to the left surface of gathering the box, the through-hole has been seted up to the top surface of casing, and the inside sliding connection of through-hole has T word pole, the locating piece is installed on the top of T word pole, and the bottom of two telescopic links all rotates with the locating piece to be connected, the surface mounting of T word pole bottom has the spring, and the top of spring and the inner wall fixed connection of casing.

Preferably, two symmetrical limiting holes are formed in the outer surface of the bottom end of the T-shaped rod, a limiting rod is connected to the inside of the limiting hole in a sliding mode, and two ends of the limiting rod are fixedly connected with the inner wall of the shell.

Preferably, the surface of casing has seted up logical groove, the surface mounting of T word pole has the handle, and handle sliding connection is in the inside of logical groove.

The beneficial effects of the utility model are as follows: the inside through putting into the collection box with the plant sample plant branch leaf that needs to draw, grab the handle downwardly pulling and bring T style of calligraphy pole and locating piece decline, the locating piece decline is drawing two telescopic links and is bringing two steering seal doors to fold, the steering seal door of polishing into the cutting knife form will go deep into the inside sample plant branch leaf cutting of collection box, realize the cutting to sample plant branch leaf, make the lead screw remove when rotatory under the effect of screwed pipe, the lead screw removes and pushes the juice pressing piece to remove the inside sample plant branch leaf extrusion juice of collection box, sample plant branch leaf juice passes through the filter screen filtration whereabouts and gets into inside the collection of internal thread sample pipe through external screw joint, through the observation of running through internal thread sample pipe surface scale groove need juice volume can, realize making the sample need not contact external environment, reduce sample pollution's probability, guarantee the reliability of testing result, avoid traditional through grinding, need transfer to the sample pipe in after the extraction device sample that is commonly used at present, the sample can cause the pollution with the outside environment, can cause the problem of sample to influence to testing result easily.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic perspective view of the collection box of the present utility model;

FIG. 3 is a schematic view of the bottom view of the collection box of the present utility model;

FIG. 4 is a schematic view of the internal structure of the housing according to the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

Reference numerals illustrate: 1. an internally threaded sample tube; 2. an external threaded joint; 3. a screw rod; 4. a handle; 5. pressing juice blocks; 6. a filter screen; 7. a cutting mechanism; 71. a steering seal door; 72. a telescopic rod; 73. a T-shaped rod; 74. a through hole; 75. a spring; 76. a housing; 77. a limiting hole; 78. a limit rod; 79. a through groove; 710. a positioning block; 711. a handle; 8. a collection box; 9. a threaded pipe.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1-5, this embodiment provides a plant virus detects sample extraction device, including gathering box 8, the external screw thread joint 2 is installed in the bottom surface penetration of gathering box 8, and gather box 8 internally mounted has filter screen 6, the below of gathering box 8 is provided with internal thread sample tube 1, and the surface of internal thread sample tube 1 is carved with the scale, gather box 8's surface penetration has screw thread pipe 9, gather box 8's inside sliding connection has juice pressing block 5, juice pressing block 5's surface rotation is connected with lead screw 3, and lead screw 3 threaded connection is in screw thread pipe 9's inside, gather box 8's surface mounting has cutting mechanism 7, the one end that juice pressing block 5 was kept away from to lead screw 3 is installed handle 4, and handle 4's surface mounting has the protection lug, through putting into gathering box 8 inside with the plant branch leaf of sample, grasp handle 4 with lead screw 3 at screw thread pipe 9 inside rotation, make lead screw 3 remove when rotatory under screw thread pipe 9's effect, lead screw 3 remove and push juice pressing block 5 remove juice to gather box 8 inside sample branch and leaf juice, sample plant branch leaf passes through 6 and filters down and gets into through filter screen 2 and get into the inside thread sample tube 1 through the internal thread groove that the internal thread is required to observe the juice through the internal thread of sample tube 1.

Referring to fig. 1 and 3, the bottom end of the collection box 8 is tapered to facilitate the falling and collection of juice therein.

Referring to fig. 1, fig. 4 and fig. 5, the cutting mechanism 7 includes turning to sealing door 71, the top surface of collection box 8 rotates and is connected with two and turns to sealing door 71, and two one ends that turn to sealing door 71 are close to each other are polished into the cutting knife form, and two surfaces that turn to sealing door 71 all rotate and are connected with telescopic link 72, shell 76 is installed to the left side face of collection box 8, through-hole 74 has been seted up to the top surface of shell 76, and the inside sliding connection of through-hole 74 has T word pole 73, locating piece 710 is installed on the top of T word pole 73, and the bottom of two telescopic link 72 all rotates with locating piece 710 to be connected, the surface mounting of T word pole 73 bottom has spring 75, and the top of spring 75 and the inner wall fixed connection of shell 76, the surface of shell 76 has seted up through-slot 79, the surface mounting of T word pole 73 has handle 711, and handle 711 sliding connection is in the inside of through-slot 79, upward pull through handle 711 carries T word pole 73 and 710 to rise, at this moment, the spring 75 is in compression state, locating piece 710 rises and promotes two telescopic link 72 and pushes up, top end promotion T pole 72, the top end promotion is equipped with locating piece 71, two rotation leaves 71 are cut into the sample to be cut into the step of cut plant leaf sample position that is cut into to the step of cut leaf position, the sample position of cut leaf 71 is cut into the step of cut leaf position, the sample position leaf 71 is cut into the step of cut leaf position, and the step of cut leaf position leaf 71 is cut leaf position is cut into the sample position, and is cut leaf position is cut leaf position, and is cut leaf position.

Referring to fig. 4, two symmetrical limiting holes 77 are formed in the outer surface of the bottom end of the T-shaped rod 73, limiting rods 78 are slidably connected in the limiting holes 77, two ends of each limiting rod 78 are fixedly connected with the inner wall of the shell 76, reinforcement of the T-shaped rod 73 is achieved, and stability of the T-shaped rod 73 is guaranteed.

Working principle: when the plant virus detection sample extraction device is used, the device is held firstly, the grip handle 711 is pulled upwards to lift the T-shaped rod 73 and the positioning block 710, the spring 75 is in a compressed state, the positioning block 710 lifts to push the two telescopic rods 72 to lift, the lifting top ends of the bottom ends of the telescopic rods 72 push the two steering sealing doors 71 to be opened in a rotating mode, plant sample branches and leaves to be extracted are placed into the collecting box 8 by the aid of the device, then the grip handle 711 is pulled downwards to pull the T-shaped rod 73 and the positioning block 710 downwards, the positioning block 710 descends to pull the two telescopic rods 72 to fold the two steering sealing doors 71, the steering sealing doors 71 which are polished into a cutter shape cut the branch and leaf of the sample plant into the collecting box 8, the steps are repeated to cut the branch and leaf of the sample plant for multiple times, the grip handle 4 rotates the screw rod 3 in the threaded pipe 9, the screw rod 3 moves when rotating under the action of the threaded pipe 9, the screw rod 3 moves to push the pressing block 5 to move the juice of the branch and leaf of the plant to be extracted into the collecting box 8, the branch and leaf juice of the sample plant drops through the filter 6 to pass through the filter screen 2 and enter the threaded pipe 1, and the juice can penetrate through the threaded groove 1 to the inner surface of the sample collecting groove to be measured.

While the basic principles and main features of the utility model and advantages of the utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.

Claims (6)

1. Plant virus detects sample extraction device, including gathering box (8), its characterized in that: the utility model discloses a collection box, including box (8) and screw, outer screwed joint (2) are installed in the bottom surface penetration of collection box (8), and the internally mounted of collection box (8) has filter screen (6), the below of collection box (8) is provided with internal thread sample tube (1), and internal thread sample tube (1) surface sculpture has the scale, the surface penetration of collection box (8) is installed screwed pipe (9), the inside sliding connection of collection box (8) has juice pressing block (5), the surface rotation of juice pressing block (5) is connected with lead screw (3), and lead screw (3) threaded connection is in the inside of screwed pipe (9), the surface mounting of collection box (8) has shutdown mechanism (7).

2. A plant virus detection sample extraction apparatus according to claim 1, wherein: the one end that juice pressing piece (5) was kept away from to lead screw (3) is installed handle (4), and the surface mounting of handle (4) has the protection lug.

3. A plant virus detection sample extraction apparatus according to claim 2, wherein: the bottom end of the collecting box (8) is conical.

4. A plant virus detection sample extraction apparatus according to claim 3, wherein: the cutting mechanism (7) comprises a steering sealing door (71), the top surface of the collecting box (8) is rotationally connected with two steering sealing doors (71), one ends, close to each other, of the two steering sealing doors (71) are polished into a cutting knife shape, two outer surfaces of the steering sealing doors (71) are rotationally connected with telescopic rods (72), a shell (76) is installed on the left side surface of the collecting box (8), a through hole (74) is formed in the top surface of the shell (76), a T-shaped rod (73) is slidingly connected in the through hole (74), a positioning block (710) is installed at the top end of the T-shaped rod (73), the bottom ends of the two telescopic rods (72) are rotationally connected with the positioning block (710), springs (75) are installed on the outer surfaces of the bottom ends of the T-shaped rod (73), and the top ends of the springs (75) are fixedly connected with the inner wall of the shell (76).

5. A plant virus detection sample extraction apparatus according to claim 4, the method is characterized in that: two symmetrical limiting holes (77) are formed in the outer surface of the bottom end of the T-shaped rod (73), a limiting rod (78) is connected inside the limiting holes (77) in a sliding mode, and two ends of the limiting rod (78) are fixedly connected with the inner wall of the shell (76).

6. The plant virus detection sample extraction apparatus of claim 5, wherein: a through groove (79) is formed in the outer surface of the shell (76), a handle (711) is mounted on the outer surface of the T-shaped rod (73), and the handle (711) is slidably connected inside the through groove (79).