CN215611750U

CN215611750U - Sample collecting mechanism for environmental monitoring

Info

Publication number: CN215611750U
Application number: CN202121810414.2U
Authority: CN
Inventors: 孔德起; 甘立刚; 钟志远; 刘明辉
Original assignee: Sichuan Jianyan Quangu Construction New Technology Engineering Co ltd
Current assignee: Sichuan Jianyan Quangu Construction New Technology Engineering Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-01-25
Anticipated expiration: 2031-08-05

Abstract

The present application provides a sample collection mechanism for environmental monitoring, comprising: test-tube rack, actuating mechanism and connecting plate. And the test tube processing round hole is used for storing the test tube. One side of the test tube rack is hinged with a cover plate corresponding to the round hole; the anterior segment of apron is used for the mouth of pipe of sealed test tube. Actuating mechanism includes lead screw module and telescopic cylinder, and telescopic cylinder connects in the lead screw module, and the direction that telescopic cylinder removed is parallel with the direction of round hole array, and telescopic cylinder locates the round hole top. The connecting plate is arranged at the bottom of the movable rod of the telescopic cylinder, a sampling pipe penetrates through the connecting plate, and the sampling pipe is connected with sampling equipment; the bottom of the connecting plate is provided with an ejector rod, and when the front section of the cover plate seals the test tube, a gap is formed between the ejector rod and the cover plate; when the connecting plate moves downwards, the bottom of the ejector rod is in contact with the rear section of the cover plate. Can automatically realize sampling, tube loading and sealing, and is suitable for being used when the number of samples is large.

Description

Sample collecting mechanism for environmental monitoring

Technical Field

The utility model belongs to the technical field of environmental monitoring, and particularly relates to a sample collecting mechanism for environmental monitoring.

Background

The monitoring object is often required to be sampled and stored in the environment monitoring work, and the conventional sampling mode mostly adopts a manual regular sampling mode, so that the collection work of a large number of samples is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides the sample collecting mechanism for environment monitoring, which is connected with sampling equipment, can automatically realize sampling, tubing and sealing and is suitable for being used when the number of samples is large.

In order to realize the purpose of the utility model, the following scheme is adopted:

a sample collection mechanism for environmental monitoring, comprising: test-tube rack, actuating mechanism and connecting plate.

The test tube rack array is provided with at least one row of round holes, each row is provided with a plurality of round holes, and the round holes are used for storing test tubes; one side of the test tube rack is hinged with a cover plate corresponding to the round holes, the hinged position is positioned in the middle of the cover plate, and the hinged shaft is parallel to the array direction of the round holes; the anterior segment of apron is used for the mouth of pipe of sealed test tube.

Actuating mechanism includes lead screw module and telescopic cylinder, and telescopic cylinder connects in the slide of lead screw module, and the lead screw module passes through the motor and drives the lead screw to the direction parallel of the direction that the slide drove telescopic cylinder and removed and the round hole array is followed to the drive slide, and telescopic cylinder locates the round hole top, and the axis of telescopic cylinder movable rod is parallel with the axis of test tube.

The connecting plate is arranged at the bottom of the movable rod of the telescopic cylinder, a sampling pipe penetrates through the connecting plate, the axis of the sampling pipe is parallel to the axis of the test tube, and the sampling pipe is connected with sampling equipment; the bottom of the connecting plate is provided with an ejector rod, and when the front section of the cover plate seals the test tube, a gap is formed between the ejector rod and the cover plate; when the connecting plate moves downwards, the bottom of the ejector rod is in contact with the rear section of the cover plate.

Furthermore, all be equipped with expanding spring in the round hole, the articulated department of apron is equipped with torsion spring for make the apron compress tightly in the mouth of pipe of test tube, expanding spring's elasticity is less than torsion spring's moment of torsion.

Furthermore, the bottom of the ejector rod is of a circular arc structure.

Furthermore, a rubber pad is arranged on the bottom surface of the front end of the cover plate.

Further, the test-tube rack processing has two round holes, and two test tubes can be sealed simultaneously to same apron, correspond every test tube and all be equipped with the sampling pipe.

Furthermore, when the connecting plate moves to the lowest point, the front end of the cover plate is supported on the bottom surface of the connecting plate.

The utility model has the beneficial effects that: the sampling device is suitable for sampling when the number of samples is large, has high automation, and is beneficial to improving the sampling efficiency; not only accessible actuating mechanism removes the sampling pipe and realizes automatic tubulation, utilizes the ejector pin to push away the apron automatically moreover when the sampling pipe goes up and down, then makes apron self-sealing test tube through torsion spring.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

FIG. 1 shows a construction diagram of one embodiment of the present application.

Fig. 2 shows a use state diagram of the present application.

Fig. 3 shows an enlarged view at a in fig. 2.

FIG. 4 is a schematic diagram showing the position relationship between the sampling tube and the test tube when collecting a sample.

Fig. 5 shows the configuration of the test tube rack.

Fig. 6 shows a mounting structure of the cover plate.

The labels in the figure are: the device comprises a test tube-1, a test tube rack-10, a round hole-101, a cover plate-11, a telescopic spring-12, a torsion spring-13, a driving mechanism-20, a screw rod module-21, a telescopic cylinder-22, a sliding plate-23, a connecting plate-30, a sampling tube-31 and a push rod-32.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention are usually placed when in use, and are only for convenience of describing the present invention and simplifying the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Examples

As shown in fig. 1, 2, and 5, a sample collection mechanism for environmental monitoring includes: a test tube rack 10, a driving mechanism 20, and a connecting plate 30.

Specifically, the test tube rack 10 is provided with at least one row of round holes 101 in an array manner, each row is provided with a plurality of round holes 101, and the round holes 101 are used for storing the test tubes 1; a cover plate 11 is hinged to one side of the test tube rack 10 corresponding to the round holes 101, the hinged position is located in the middle of the cover plate 11, and the hinged shaft is parallel to the array direction of the round holes 101; the front section of the cover plate 11 is used to seal the mouth of the test tube 1.

Specifically, the driving mechanism 20 includes a screw rod module 21 and a telescopic cylinder 22, the telescopic cylinder 22 is connected to a sliding plate 23 of the screw rod module 21, the screw rod module 21 drives a screw rod through a motor to drive the sliding plate 23 to move along the axial direction of the screw rod, the sliding plate 23 drives the telescopic cylinder 22 to move in a direction parallel to the direction of the array of the circular holes 101, the telescopic cylinder 22 is arranged above the circular holes 101, and the axial line of a movable rod of the telescopic cylinder 22 is parallel to the axial line of the test tube 1;

specifically, the connecting plate 30 is arranged at the bottom of a movable rod of the telescopic cylinder 22, the connecting plate 30 is provided with a sampling tube 31 in a penetrating way, the axis of the sampling tube 31 is parallel to the axis of the test tube 1, and the sampling tube 31 is connected with sampling equipment, such as various pump body equipment for sampling; the bottom of the connecting plate 30 is provided with a mandril 32, and when the front section of the cover plate 11 seals the test tube 1, a gap is formed between the mandril 32 and the cover plate 11; when the connecting plate 30 moves downward, the bottom of the ejector pin 32 contacts the rear section of the cover plate 11.

Preferably, as shown in fig. 5 and 6, the round holes 101 are all provided with the extension springs 12 therein, the hinge joint of the cover plate 11 is provided with the torsion spring 13 for pressing the cover plate 11 against the nozzle of the test tube 1, the elastic force of the extension springs 12 is smaller than the torque of the torsion spring 13, and the test tube 1 is jacked up by a predetermined height through the extension springs 12, so as to reduce the distance between the nozzle of the test tube 1 and the sampling tube 31, thereby facilitating the complete entry of the sample into the test tube 1.

Preferably, as shown in fig. 3, the bottom of the top bar 32 is of an arc structure, so that when the cover plate 11 is pressed down, the top surface of the cover plate 11 slides smoothly relative to the arc profile at the bottom of the top bar 32, thereby avoiding impact and improving the operation stability of the cover plate 11.

Preferably, the bottom surface of the front end of the cover plate 11 is provided with a rubber pad for improving the sealing performance of the test tube 1 and reducing the impact force when the cover plate 11 presses the test tube 1.

Preferentially, test-tube rack 10 processing has two round holes 101, all can be used to deposit test tube 1 to improve the memory space, the mutual one-to-one setting of round hole 101 of every row, two test tubes 1 can be sealed simultaneously to same apron 11, with the use quantity that reduces apron 11, make the structure simpler, correspond every test tube 1 and all be equipped with sampling tube 31.

Preferably, as shown in fig. 4, when the connection plate 30 moves to the lowest point, the front end of the cover plate 11 is supported on the bottom surface of the connection plate 30, so as to improve the stability of the positions of the connection plate 30 and the sampling tube 31 during sampling.

When in use, the telescopic cylinder 22 and the sampling pipe 31 are driven to move to the upper part of the preset test tube 1 through the screw rod module 21; the telescopic cylinder 22 drives the connecting plate 30 and the sampling pipe 31 to move downwards; the bottom of the ejector rod 32 contacts with the rear section of the cover plate 11 in the descending process of the connecting plate 30, the rear end of the cover plate 11 is pressed downwards through the ejector rod 32, the front end of the cover plate 11 is tilted upwards, when the ejector rod 32 descends to a preset height, the cover plate 11 is completely separated from the test tube 1, and the test tube 1 is jacked up by the telescopic spring 12 at the moment; the sample injection into the test tube 1 can then begin. After the sample is injected, the connecting plate 30 and the sampling tube 31 rise, the ejector rod 32 is gradually separated from the cover plate 11, and under the action of the torsion spring 13, the cover plate 11 is pressed on the tube opening of the test tube 1 to seal the test tube 1.

The foregoing is only a preferred embodiment of the present invention and is not intended to be exhaustive or to limit the utility model. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the utility model.

Claims

1. A sample collection mechanism for environmental monitoring, comprising:

the test tube rack (10) is provided with at least one row of round holes (101) in an array processing mode, each row is provided with a plurality of round holes (101), and the round holes (101) are used for storing test tubes (1); a cover plate (11) is hinged to one side of the test tube rack (10) corresponding to the round holes (101), the hinged position is located in the middle of the cover plate (11), and the hinged shaft is parallel to the array direction of the round holes (101); the front section of the cover plate (11) is used for sealing the nozzle of the test tube (1);

actuating mechanism (20), including lead screw module (21) and telescopic cylinder (22), telescopic cylinder (22) are connected in slide (23) of lead screw module (21), lead screw module (21) pass through the motor and drive the lead screw, move along lead screw axis direction with drive slide (23), slide (23) drive telescopic cylinder (22) the direction of removal parallel with the direction of round hole (101) array, telescopic cylinder (22) are located round hole (101) top, and telescopic cylinder (22) movable rod's axis is parallel with the axis of test tube (1);

the connecting plate (30) is arranged at the bottom of the movable rod of the telescopic cylinder (22), a sampling pipe (31) is arranged in the connecting plate (30) in a penetrating mode, the axis of the sampling pipe (31) is parallel to the axis of the test tube (1), and the sampling pipe (31) is connected with sampling equipment; the bottom of the connecting plate (30) is provided with a mandril (32), and when the front section of the cover plate (11) seals the test tube (1), a gap is formed between the mandril (32) and the cover plate (11); when the connecting plate (30) moves downwards, the bottom of the ejector rod (32) is contacted with the rear section of the cover plate (11).

2. The sample collecting mechanism for environmental monitoring according to claim 1, wherein the round holes (101) are all provided with a telescopic spring (12), the hinge joint of the cover plate (11) is provided with a torsion spring (13) for pressing the cover plate (11) against the nozzle of the test tube (1), and the elasticity of the telescopic spring (12) is smaller than the torque of the torsion spring (13).

3. The sample collection mechanism for environmental monitoring according to claim 1, wherein the bottom of the top bar (32) is of a circular arc structure.

4. The sample collection mechanism for environmental monitoring as claimed in claim 1, wherein the cover plate (11) is provided with a rubber pad on the bottom surface of the front end.

5. The sample collecting mechanism for environmental monitoring according to claim 1, wherein two rows of round holes (101) are formed in the test tube rack (10), the same cover plate (11) can seal two test tubes (1) at the same time, and a sampling tube (31) is arranged corresponding to each test tube (1).

6. A sample collection mechanism for environmental monitoring according to claim 1, wherein the front end of the cover plate (11) is supported on the bottom surface of the connection plate (30) when the connection plate (30) is moved to the lowest point.