CN216270966U

CN216270966U - Sample storage device for environmental monitoring

Info

Publication number: CN216270966U
Application number: CN202121754426.8U
Authority: CN
Inventors: 白小军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-04-12
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a sample storage device for environmental monitoring in the technical field of sample storage devices for environmental monitoring, which comprises a shell, wherein fixed foam for storing and fixing sample test tubes is arranged inside the upper part of the shell, a supporting plate for supporting the fixed foam and the test tubes is arranged at the bottom of the fixed foam, the supporting plate is fixedly connected with the shell, the bottom of the shell is fixedly connected with an exhaust device for extracting air inside the shell to enable the interior of the shell to be in a vacuum state, and an extraction device for extracting and storing samples is arranged outside the shell; therefore, the phenomenon that external gas enters the shell to pollute the sample is avoided, the working efficiency is improved, and the device is also suitable for storing the liquid sample.

Description

Sample storage device for environmental monitoring

Technical Field

The utility model relates to the technical field of a sample storage device for environment monitoring, in particular to a sample storage device for environment monitoring.

Background

The environment monitoring sample storage and the collection and storage process of the environment sample for environment analysis. Samples are collected according to different purposes by different methods to make them representative.

However, at present, the traditional sample storage adopts a plastic bag sampling method for sampling, the samples collected by the method cannot be stored for a long time, monitoring is needed in the same day, and the plastic bag is extremely thin and is very easy to damage, so that the collected samples are lost, or the samples are directly contacted with the air, so that the collected samples lose representativeness, and the sampling mode is a small amount of times, but the plastic bag sampling method is not convenient to carry after the samples are sampled for a plurality of times.

Based on this, the present invention provides a sample storage device for environmental monitoring to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present invention provides the following technical solutions:

the utility model provides a sample storage device for environmental monitoring, includes the casing, the inside of casing top is equipped with the fixed foam that is used for saving and fixed sample test tube, fixed foam bottom is equipped with the backup pad that is used for supporting fixed foam and test tube, and backup pad and casing fixed connection, casing bottom fixedly connected with is used for extracting the inside air of casing and makes the inside exhaust apparatus who becomes vacuum state of casing, the casing outside is equipped with the draw-out device who is used for drawing and preserves the sample.

As a further scheme of the present invention, the exhaust device includes a cavity, one end of the cavity is fixedly connected with an air outlet pipe, an air outlet valve is fixedly connected inside the air outlet pipe, one side of the cavity is fixedly connected with an air inlet valve, the air outlet pipe penetrates through the housing, a large piston is slidably connected inside the cavity, one side of the large piston is fixedly connected with a push rod, and the push rod penetrates through the housing and the cavity. When the gas-liquid separator works, the push rod is pulled to be fixedly connected with the large piston, so that the large piston is driven to suck gas into the cavity through the gas inlet valve, then the push rod is pushed again, the gas in the shell is discharged through the gas outlet valve, and at the moment, the gas in the shell is completely discharged.

As a further scheme of the utility model, the extraction device comprises a test tube, the whole test tube is cylindrical, one end of the test tube is fixedly connected with an absorption valve, a small piston is connected inside the test tube in a sliding mode, the whole small piston is U-shaped, an inner wall above the small piston is provided with an inner threaded hole, a small push rod is arranged at the inner threaded hole, an external thread is arranged at the bottom of the small push rod, and the external thread of the small push rod is meshed with the inner threaded hole. The during operation at first places this device in the environment department that needs to extract the sample, then takes out extraction element, the little push rod of pulling, because the external screw thread and the internal thread hole intermeshing of little push rod bottom, and little piston and the inside sliding connection of test tube, thereby make little push rod drive little piston backward in the test tube, thereby make the inside pressure of test tube be less than test tube outside pressure, when outside gas fills up the test tube, little piston is located the test tube end, twists off little push rod this moment.

As a further scheme of the present invention, the air inlet valve includes a small cavity, one end inside the small cavity is fixedly connected with a spring, one end of the spring is fixedly connected with an air blocking plug, the spring is still in a compressed state in a natural state, and the structures of the air inlet valve, the air outlet valve and the suction valve are consistent. The during operation to make the outside ambient gas of test tube promote the choke plug backward, because the fixedly connected with spring behind the choke plug, thereby make choke plug compression spring once more, thereby make the outside ambient gas of test tube get into in the test tube from little cavity.

As a further scheme of the utility model, fixing grooves are uniformly formed in the fixing foam, the shapes of the fixing grooves are the same as those of the test tubes, the sizes of the fixing grooves are smaller than those of the test tubes, and air holes are uniformly formed in the upper portion of the supporting plate. The during operation, the gas that will collect is placed in the fixed slot, because the fixed slot shape is unanimous with the test tube, but the size is less than the test tube, consequently can be fixed completely in the fixed slot in the test tube, because fixed foam bottom is equipped with the backup pad, and has evenly seted up the bleeder vent in the backup pad, consequently the inside gas circulation of whole casing.

As a further scheme of the utility model, a sealing groove is formed in the top of the shell, a sealing cover is arranged on the sealing groove, the sealing groove and the lower end of the sealing cover are in interference fit, barbs are fixedly connected to two sides of the shell, fixing rings are fixedly connected to two sides of the sealing cover, rotating rings are arranged on two sides of the fixing rings, the fixing rings are connected with the rotating rings through pins, a moving block is fixedly connected to the rotating rings, and a clamping ring is rotatably connected to the middle of the moving block. During operation, cover sealed lid, because sealed lid and seal groove are interference fit, thereby make inside the external gas can not get into the casing, then rotate the movable block, because movable block below and rotating ring fixed connection, thereby make the rotating ring rotate downwards, because the rotation is connected with the rand in the middle of the movable block, thereby make the rand rotate downwards, thereby make the rand just block on the barb, upwards rotate the movable block once more this moment, thereby drive rand rebound, thereby make rand and barb fixed completely, because solid fixed ring and sealed lid fixed connection, and pass through pin connection with the rotating ring, and barb and casing fixed connection, thereby make sealed lid and casing fixed together completely, external gas can't get into.

Advantageous effects

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

through the mutual matching of the structures such as the push rod, the large piston, the shell and the like, the push rod is pulled to be fixedly connected with the large piston, so that the large piston is driven to suck gas into the cavity through the gas inlet valve, then the push rod is pushed again, the gas in the shell is discharged through the gas outlet valve, and at the moment, the gas in the shell is completely discharged; therefore, the phenomenon that external gas enters the shell to pollute the sample is avoided, the working efficiency is improved, and the device is also suitable for storing the liquid sample.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a first cross-sectional view of the present invention;

FIG. 3 is a second cross-sectional view of the present invention;

FIG. 4 is a third cross-sectional view of the present invention;

FIG. 5 is a fourth cross-sectional view of the present invention;

FIG. 6 is a schematic view of a retaining ring according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-shell, 2-fixed foam, 3-support plate, 4-exhaust device, 5-extraction device, 6-cavity, 7-exhaust pipe, 8-exhaust valve, 9-intake valve, 10-large piston, 11-push rod, 12-test tube, 13-suction valve, 14-small piston, 15-internal thread hole, 16-small push rod, 17-small cavity, 18-spring, 19-air blocking plug, 20-fixed groove, 21-air hole, 22-sealing groove, 23-sealing cover, 24-barb, 25-fixed ring, 26-rotating ring, 27-pin, 28-moving block and 29-retainer ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides a sample storage device for environmental monitoring, including casing 1, the inside of casing 1 top is equipped with the fixed foam 2 that is used for saving and fixed

sample test tube

12, 2 bottoms of fixed foam are equipped with the backup pad 3 that is used for supporting fixed foam 2 and test tube 12, and backup pad 3 and casing 1 fixed connection, 1 bottom fixedly connected with of casing is used for extracting 1 inside air of casing and makes the inside exhaust apparatus 4 that becomes vacuum state of

casing

1, 1 outside of casing is equipped with the draw-out device 5 that is used for drawing and preserves the sample.

As a further scheme of the utility model, the exhaust device 4 comprises a cavity 6, one end of the cavity 6 is fixedly connected with an air outlet pipe 7, the interior of the air outlet pipe 7 is fixedly connected with an air outlet valve 8, one side of the cavity 6 is fixedly connected with an air inlet valve 9, the air outlet pipe 7 penetrates through the shell 1, the interior of the cavity 6 is slidably connected with a large piston 10, one side of the large piston 10 is fixedly connected with a push rod 11, and the push rod 11 penetrates through the shell 1 and the cavity 6. When the gas exhaust device works, the push rod 11 is pulled to be fixedly connected with the large piston 10, so that the large piston 10 is driven to suck gas into the cavity 6 through the gas inlet valve 9, then the push rod 11 is pushed again, the gas in the shell 1 is exhausted through the gas outlet valve 8, and at the moment, the gas in the shell 1 is completely exhausted.

As a further scheme of the utility model, the extraction device 5 comprises a test tube 12, the test tube 12 is integrally cylindrical, one end of the test tube 12 is fixedly connected with an absorption valve 13, a small piston 14 is slidably connected inside the test tube 12, the small piston 14 is integrally U-shaped, an inner wall above the small piston 14 is provided with an inner threaded hole 15, a small push rod 16 is arranged at the inner threaded hole 15, the bottom of the small push rod 16 is provided with an external thread, and the external thread of the small push rod 16 is meshed with the inner threaded hole 15. The during operation, at first place this device in the environment department that needs to draw the sample, then take out extraction element 5, pulling little push rod 16, because the external screw thread and the internal thread hole 15 intermeshing of little push rod 16 bottom, and little piston 14 and the inside sliding connection of test tube 12, thereby make little push rod 16 drive little piston 14 backward in test tube 12, thereby make the inside pressure of test tube 12 be less than test tube 12 external pressure, when outside gas fills up in test tube 12, little piston 14 is located test tube 12 end, unscrew little push rod 16 this moment.

As a further scheme of the utility model, the air inlet valve 9 comprises a small cavity 17, one end inside the small cavity 17 is fixedly connected with a spring 18, one end of the spring 18 is fixedly connected with an air blocking plug 19, the spring 18 is still in a compressed state in a natural state, and the structures of the air inlet valve 9, the air outlet valve 8 and the suction valve 13 are consistent. During operation to make the outside ambient gas of test tube 12 promote the air-lock 19 backward, because air-lock 19 back fixedly connected with spring 18, thereby make air-lock 19 compress spring 18 again, thereby make the outside ambient gas of test tube 12 follow little cavity 17 get into in the test tube 12.

As a further scheme of the utility model, the fixed foam 2 is uniformly provided with fixed grooves 20, the shape of the fixed grooves 20 is the same as that of the test tube 12, the size of the fixed grooves 20 is smaller than that of the test tube 12, and the upper part of the support plate 3 is uniformly provided with air holes 21. The during operation, place the gas of collecting in fixed slot 20, because fixed slot 20 shape is unanimous with test tube 12, but the size is less than test tube 12, consequently can be fixed completely in fixed slot 20 in the test tube 12, because 2 bottoms of fixed foam are equipped with backup pad 3, and evenly seted up bleeder vent 21 in the backup pad 3, consequently the inside gas circulation of whole casing 1.

As a further scheme of the utility model, a sealing groove 22 is formed in the top of the shell 1, a sealing cover 23 is arranged on the sealing groove 22, the sealing groove 22 and the lower end of the sealing cover 23 are in interference fit, barbs 24 are fixedly connected to two sides of the shell 1, fixing rings 25 are fixedly connected to two sides of the sealing cover 23, rotating rings 26 are arranged on two sides of the fixing rings 25, the fixing rings 25 and the rotating rings 26 are connected through pins 27, a moving block 28 is fixedly connected to the rotating rings 26, and a clamping ring 29 is rotatably connected to the middle of the moving block 28. During operation, cover sealed lid 23, because sealed lid 23 is interference fit with seal groove 22, thereby make inside external gas can not get into casing 1, then rotate movable block 28, because movable block 28 below and rotating ring 26 fixed connection, thereby make rotating ring 26 rotate downwards, because movable block 28 intermediate rotation is connected with rand 29, thereby make rand 29 rotate downwards, thereby make rand 29 just block on barb 24, upwards rotate movable block 28 once more this moment, thereby drive rand 29 rebound, thereby make rand 29 and barb 24 completely fixed, because solid fixed ring 25 and sealed lid 23 fixed connection, and be connected through round pin 27 with rotating ring 26, and barb 24 and casing 1 fixed connection, thereby make sealed lid 23 and casing 1 fixed together completely, external gas can't get into.

One specific application of this embodiment is:

when the device is used, firstly, the device is placed in an environment where a sample needs to be extracted, then the extracting device 5 is taken out, the small push rod 16 is pulled, the external thread at the bottom of the small push rod 16 is meshed with the internal thread hole 15, and the small piston 14 is in sliding connection with the inside of the test tube 12, so that the small push rod 16 drives the small piston 14 to move backwards in the test tube 12, the internal pressure of the test tube 12 is lower than the external pressure of the test tube 12, so that the environmental gas outside the test tube 12 pushes the air blocking plug 19 backwards, the spring 18 is fixedly connected behind the air blocking plug 19, so that the air blocking plug 19 compresses the spring 18 again, the environmental gas outside the test tube 12 enters the test tube 12 from the small cavity 17, when the external gas is filled in the test tube 12, the small piston 14 is positioned at the tail end of the test tube 12, at the moment, the small push rod 16 is screwed down, and then the collected gas is placed in the fixing groove 20, because the fixed groove 20 is the same as the test tube 12 in shape, but the size is smaller than the test tube 12, the test tube 12 can be completely fixed in the fixed groove 20, because the bottom of the fixed foam 2 is provided with the support plate 3, and the support plate 3 is uniformly provided with the vent holes 21, the gas inside the whole shell 1 circulates, then the sealing cover 23 is covered, because the sealing cover 23 is in interference fit with the sealing groove 22, the external gas can not enter the shell 1, then the moving block 28 is rotated, because the lower part of the moving block 28 is fixedly connected with the rotating ring 26, the rotating ring 26 rotates downwards, because the middle of the moving block 28 is rotatably connected with the clamping ring 29, the clamping ring 29 rotates downwards, so that the clamping ring 29 is just clamped on the barb 24, at the moment, the moving block 28 rotates upwards again, the clamping ring 29 is driven to move upwards, and the clamping ring 29 is completely fixed with the barb 24, because fixed ring 25 and sealed lid 23 fixed connection, and pass through the round pin 27 with swivel ring 26 and be connected, and barb 24 and casing 1 fixed connection, thereby make sealed lid 23 and casing 1 fixed together completely, outside gas can't get into, then the pulling push rod 11 is owing to with big piston 10 fixed connection this moment, thereby drive big piston 10 with gas through admission valve 9 inhale cavity 6 inside, then promote push rod 11 once more, pass through gas outlet valve 8 with the inside gas of casing 1 and discharge, then discharge casing 1 inside gas completely this moment.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An environmental monitoring sample storage device comprising a housing (1), characterized in that: the inside of casing (1) top is equipped with fixed foam (2) that are used for storage and fixed sample test tube (12), fixed foam (2) bottom is equipped with backup pad (3) that are used for supporting fixed foam (2) and test tube (12), and backup pad (3) and casing (1) fixed connection, casing (1) bottom fixedly connected with is used for extracting casing (1) inside air and makes casing (1) inside exhaust apparatus (4) that become vacuum state, casing (1) outside is equipped with extraction device (5) that are used for drawing and preserve the sample.

2. The environmental monitoring sample storage device according to claim 1, wherein: exhaust apparatus (4) includes cavity (6), the one end fixedly connected with outlet duct (7) of cavity (6), inside fixedly connected with air outlet valve (8) of outlet duct (7), one side fixedly connected with admission valve (9) of cavity (6), casing (1) is run through in outlet duct (7), the inside sliding connection of cavity (6) has big piston (10), one side fixedly connected with push rod (11) of big piston (10), casing (1) and cavity (6) are run through in push rod (11).

3. The environmental monitoring sample storage device according to claim 2, wherein: draw-off device (5) include test tube (12), test tube (12) whole is the cylinder, the one end fixedly connected with of test tube (12) absorbs valve (13), the little piston (14) of inside sliding connection of test tube (12), little piston (14) whole is the U-shaped, internal thread hole (15) have been seted up to little piston (14) top inner wall, internal thread hole (15) department is equipped with little push rod (16), little push rod (16) bottom is equipped with the external screw thread, the external screw thread and the internal thread hole (15) meshing of little push rod (16).

4. The environmental monitoring sample storage device according to claim 3, wherein: the air inlet valve (9) comprises a small cavity (17), one end of the inside of the small cavity (17) is fixedly connected with a spring (18), one end of the spring (18) is fixedly connected with an air blocking plug (19), the spring (18) is still in a compression state in a natural state, and the air inlet valve (9), the air outlet valve (8) and the suction valve (13) are consistent in structure.

5. The environmental monitoring sample storage device according to claim 1, wherein: fixed slot (20) have evenly been seted up on fixed foam (2), the shape of fixed slot (20) is the same with test tube (12), the size of fixed slot (20) is less than the size of test tube (12), bleeder vent (21) have evenly been seted up to backup pad (3) top.

6. The environmental monitoring sample storage device according to claim 1, wherein: seal groove (22) have been seted up at casing (1) top, be equipped with sealed lid (23) on seal groove (22), seal groove (22) adopt interference fit with the lower extreme of sealed lid (23), casing (1) both sides fixedly connected with barb (24), the solid fixed ring of sealed lid (23) both sides fixedly connected with (25), gu fixed ring (25) both sides are equipped with swivel becket (26), gu be connected through round pin (27) between fixed ring (25) and swivel becket (26), fixedly connected with movable block (28) on swivel becket (26), rotation connection rand (29) in the middle of movable block (28).