CN220508513U - Sampling device - Google Patents

Abstract

The utility model discloses a sampling device, in particular to the technical field of sampling devices, which comprises a cylinder body, a piston and a piston rod, wherein a liquid suction port is arranged at the bottom of the cylinder body, the piston is arranged in the cylinder body and is in sealing contact with the inner wall of the cylinder body, one end of the piston rod is fixedly connected with the piston, an upper sealing plate and a lower sealing plate are fixedly arranged at the middle upper part of the inner wall of the cylinder body, a connecting plate is fixedly arranged at one side of the outer surface of the piston rod, a toothed plate is fixedly arranged at one side of the connecting plate, which is close to the inner wall of the cylinder body, a mounting port is formed in the side wall of the cylinder body, the mounting port is positioned between the two sealing plates, mounting plates are fixedly arranged on the left side and the right side wall of the mounting port, the two mounting plates are positioned on the left side and the right side of the connecting plate, and an equipment box is fixedly arranged at the upper part of the outer surface of the cylinder body. The sampling device provided by the utility model has the advantages that the structural design is simple, the operation is convenient, the liquid medicine can be extracted by only one hand, and the sampling liquid extraction and the subsequent injection liquid discharge are facilitated.

Description

Sampling device

Technical Field

The utility model relates to the technical field of sampling devices, in particular to a sampling device.

Background

Biotechnology is a technology that utilizes science and biotechnology to modify agriculture or other aspects. It is the national institutes of science and technology that defines biotechnology as "biotechnology encompasses a range of technologies that can utilize organisms or cells to produce products that we want, including gene recombination, cell fusion, and some biological manufacturing procedures, among others. When inspecting biotechnology goods, need follow the liquid of getting in the former liquid jar, also need draw simultaneously and be used for carrying out the reagent of inspection to the former liquid, when taking a sample, adopt the syringe to take a sample among the prior art more, the syringe has convenient operation, advantages such as simple structure.

The existing syringe sampling device consists of a cylinder body, a piston and a piston rod, a person needs to hold the piston rod by one hand and pull the piston rod outwards, the person holds the cylinder body by one hand to extract the liquid medicine, and then pushes the piston rod to inject the liquid medicine into the sampling bottle after the liquid medicine is extracted, obviously, the mode needs to be operated by two hands, the operation has certain limitation, and the sampling bottle is easy to be carelessly poured due to the characteristics of light weight and small volume when the liquid medicine is filled into the sampling bottle, so that the liquid medicine is wasted.

Thus, we provide a sampling device.

Disclosure of Invention

The utility model mainly aims to provide a sampling device which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a sampling device, includes barrel, piston and piston rod, the barrel bottom is provided with the imbibition mouth, the piston sets up in the barrel, and with barrel inner wall sealing contact, piston rod one end with piston connection is fixed, upper portion fixed mounting has two upper and lower closing plates in the barrel inner wall, piston rod surface one side fixed mounting has the connecting plate, connecting plate is close to barrel inner wall one side fixed mounting has the pinion rack, the mounting mouth has been seted up to the barrel lateral wall, the mounting mouth is located between two closing plates, the mounting mouth is left and right sides wall all fixed mounting has the mounting panel, and two mounting panels are located the left and right sides of connecting plate, barrel surface upper portion fixed mounting has the equipment box, the mounting panel extends to inside the equipment box, equipment box one side is connected with the knob through the bull stick rotation, rotates through the pivot between two mounting panels and is connected with a plurality of gears, meshing connection between two gears each other, the pivot and bull stick fixed connection that are located outside gear, the inside gear and pinion rack meshing.

Preferably, limiting plates are fixedly arranged at the left end and the right end of the connecting plate, a chute is formed in one side, close to the limiting plates, of the mounting plate, and the mounting plate slides in the chute.

Preferably, a movable opening is formed in the middle of the sealing plate, and the piston rod, the connecting plate, the toothed plate and the limiting plate penetrate through the movable opening.

Preferably, anti-slip insections are arranged on the outer surface of the knob.

Preferably, volume graduation lines are arranged on the cylinder body along the length direction of the cylinder body.

Preferably, a handle is fixedly arranged on the outer surface of the cylinder body.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model discloses a sampling device, when sampling, a palm passes through a handle, a thumb rotates the knob, the knob drives a rotary rod to rotate, the rotary rod drives an external gear to rotate, the external gear drives an internal gear to rotate, the internal gear drives a toothed plate to move upwards, the toothed plate drives a piston rod to move upwards, so that the piston is driven to move upwards, liquid medicine is sucked into a cylinder, the liquid medicine can be extracted by only one hand, when the liquid medicine is filled into a sampling bottle, the sampling bottle is grasped by one hand, the rotary rod is reversely stirred by the other hand, the liquid medicine is injected into the sampling bottle, and the sampling bottle can be prevented from being overturned, so that the liquid medicine is prevented from being wasted.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a first view cut-away structure of the present utility model;

fig. 3 is a schematic view of a second view cut-away structure of the present utility model.

In the figure: 1. a cylinder; 2. a piston; 3. a piston rod; 4. a handle; 5. a liquid suction port; 6. a connecting plate; 7. a toothed plate; 8. a limiting plate; 9. a gear; 10. a sealing plate; 11. a knob; 12. a mounting plate; 13. a movable opening; 14. an equipment box; 101. and (5) an installation port.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, a sampling device comprises a cylinder 1, a piston 2 and a piston rod 3, wherein a liquid suction port 5 is arranged at the bottom of the cylinder 1, the piston 2 is arranged in the cylinder 1 and is in sealing contact with the inner wall of the cylinder 1, and one end of the piston rod 3 is fixedly connected with the piston 2, and the sampling device is characterized in that: an upper sealing plate 10 and a lower sealing plate 10 are fixedly arranged at the middle upper part of the inner wall of the cylinder body 1, a connecting plate 6 is fixedly arranged at one side of the outer surface of the piston rod 3, a toothed plate 7 is fixedly arranged at one side of the connecting plate 6 close to the inner wall of the cylinder body 1, a mounting opening 101 is formed in the side wall of the cylinder body 1, the mounting opening 101 is positioned between the two sealing plates 10, mounting plates 12 are fixedly arranged on the left side wall and the right side wall of the mounting opening 101, the two mounting plates 12 are positioned on the left side and the right side of the connecting plate 6, an equipment box 14 is fixedly arranged at the upper part of the outer surface of the cylinder body 1, the mounting plates 12 extend into the equipment box 14, a knob 11 is rotatably connected to one side of the equipment box 14 through a rotating rod, a plurality of gears 9 are rotatably connected between the two mounting plates 12 through rotating shafts, the rotating shafts of the gears 9 are in meshed connection with each other, the rotating shafts of the gears 9 positioned at the outside are fixedly connected with the rotating rods, the gear 9 and the pinion 7 that are located inside mesh, both ends are all fixed mounting has limiting plate 8 about the connecting plate 6, the spout has been seted up to mounting panel 12 near limiting plate 8 one side, mounting panel 12 slides in the spout, prevents that pinion 7 and gear 9 from breaking away from, movable mouth 13 has been seted up at closing plate 10 middle part, piston rod 3, connecting plate 6, pinion 7, limiting plate 8 run through movable mouth 13 and set up, knob 11 surface sets up anti-skidding insection, improves the frictional force of finger and knob, be provided with volume scale mark along its length direction on barrel 1, the quantity of the liquid medicine that makes things convenient for the staff to discern entering barrel 1 is very convenient, reaches accurate purpose of taking a sample, barrel 1 surface fixed mounting has handle 4, makes things convenient for the staff to grasp barrel 1, prevents to drop.

The working principle of the utility model is as follows: when needs sample, the palm passes handle 4, then thumb stir knob 11, knob 11 rotates and drives the bull stick and rotate, the bull stick drives outside gear 9 and rotates, outside gear 9 drives inside gear 9 and rotates, inside gear 9 drives pinion rack 7 and upwards moves, pinion rack 7 drives piston rod 3 and upwards moves, thereby drive piston 2 upwards moves, in drawing in barrel 1 with the liquid medicine, just can accomplish the extraction liquid medicine with one hand, when loading into the sample bottle with the liquid medicine, one hand grabs the sample bottle, the other hand grabs barrel 1 reverse stirring knob 11, pour into the sample bottle with the liquid medicine, can prevent to take a sample the carelessly and fall down.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a sampling device, includes barrel (1), piston (2) and piston rod (3), barrel (1) bottom is provided with liquid suction mouth (5), piston (2) set up in barrel (1), and with barrel (1) inner wall sealing contact, piston rod (3) one end with piston (2) are connected fixedly, its characterized in that: the cylinder is characterized in that an upper sealing plate (10) and a lower sealing plate (10) are fixedly arranged on the middle upper portion of the inner wall of the cylinder body (1), a connecting plate (6) is fixedly arranged on one side of the outer surface of the piston rod (3), a toothed plate (7) is fixedly arranged on one side of the outer surface of the piston rod (3), which is close to the inner wall of the cylinder body (1), a mounting opening (101) is formed in the side wall of the cylinder body (1), the mounting opening (101) is located between the two sealing plates (10), mounting plates (12) are fixedly arranged on the left side wall and the right side wall of the mounting opening (101), two mounting plates (12) are located on the left side and the right side of the connecting plate (6), an equipment box (14) is fixedly arranged on the upper portion of the outer surface of the cylinder body (1), the mounting plates (12) are extended into the equipment box (14), a knob (11) is rotatably connected to one side of the equipment box (14) through a rotating rod, a plurality of gears (9) are rotatably connected between the two mounting plates (12) through a rotating shaft, a rotating shaft of each gear (9) is fixedly connected with the rotating rod, and the gears (9) located outside are meshed with the rotating shaft.

2. A sampling device according to claim 1, wherein: limiting plates (8) are fixedly mounted at the left end and the right end of the connecting plate (6), a sliding groove is formed in one side, close to the limiting plates (8), of the mounting plate (12), and the mounting plate (12) slides in the sliding groove.

3. A sampling device according to claim 1, wherein: the middle part of the sealing plate (10) is provided with a movable opening (13), and the piston rod (3), the connecting plate (6), the toothed plate (7) and the limiting plate (8) are arranged through the movable opening (13).

4. A sampling device according to claim 1, wherein: the outer surface of the knob (11) is provided with anti-slip insections.

5. A sampling device according to claim 1, wherein: volume scale marks are arranged on the cylinder body (1) along the length direction of the cylinder body.

6. A sampling device according to claim 1, wherein: the handle (4) is fixedly arranged on the outer surface of the cylinder body (1).