CN217084304U

CN217084304U - Quantitative liquid closed sampler convenient for sampling

Info

Publication number: CN217084304U
Application number: CN202123434794.7U
Authority: CN
Inventors: 丁仁伟; 徐和贤
Original assignee: Wuxi Nanda Special Petrochemical Equipment Accessories Co ltd
Current assignee: Wuxi Nanda Special Petrochemical Equipment Accessories Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-29
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a be convenient for sample with airtight sample thief of ration type liquid, it includes top cap and sample thief main part, install the fan on the top cap, the air outlet intercommunication of fan has the outlet duct, the one end that the fan was kept away from to the outlet duct communicates with the sample thief main part mutually, one side intercommunication that the outlet duct was kept away from to the sample thief main part has the exhaust tube, install the aspiration pump on the top cap, the air inlet and the exhaust tube of aspiration pump are linked together, fixedly connected with collecting box on the top cap, the collecting box is linked together with the air outlet of aspiration pump, be provided with on the collecting box and be used for carrying out filterable filter piece to the poison gas. The utility model discloses can be convenient for reduce operating personnel's health risk.

Description

Quantitative liquid closed sampler convenient for sampling

Technical Field

The utility model belongs to the technical field of the technique of sample thief and specifically relates to a be convenient for sample with airtight sample thief of ration type liquid.

Background

At present, in the petrochemical production process, flammable and explosive and toxic media are often required to be collected in a special pipeline for chemical examination and analysis, and in order to collect samples in time and prevent volatile substances in the samples from leaking to the atmosphere, many sampling requirements are required to be carried out in a closed mode, so that a closed sampler is required.

The prior art can refer to the chinese patent with the grant publication number of CN214309672U, it discloses a be convenient for sample with airtight sample thief of ration type liquid, including the sample thief main part, the top cap is installed to sample thief main part up end, install the valve in the sample thief main part, install the sample valve in the sample thief main part, be connected with the direction cover plate on the sample valve, be fixed with first fixing base and second fixing base in proper order in the sample thief main part, the below of second fixing base is arranged in to first fixing base and second fixing base internally mounted has the bracing piece, the positioning disk is installed to the bracing piece bottom, the positioning disk is arranged in inside the first fixing base, the guide post that runs through first fixing base bottom is installed to the positioning disk bottom, the cover is equipped with the chucking spring on the guide post, the guide post bottom is connected with the pulling disk.

However, when the sampler is activated, there may be a small amount of harmful gas leaking from the sampling valve into the air, potentially increasing the health risk to the operator.

SUMMERY OF THE UTILITY MODEL

The application provides a be convenient for sample with airtight sample thief of ration type liquid can be convenient for reduce operating personnel's health risk.

The application provides a pair of be convenient for sample with airtight sample thief of ration type liquid adopts following technical scheme:

the utility model provides a be convenient for sample with airtight sample thief of ration type liquid, includes top cap and sample thief main part, install the fan on the top cap, the air outlet intercommunication of fan has the outlet duct, the outlet duct is kept away from the one end of fan with the sample thief main part communicates mutually, the sample thief main part is kept away from one side intercommunication of outlet duct has the exhaust tube, install the aspiration pump on the top cap, the air inlet of aspiration pump with the exhaust tube is linked together, fixedly connected with collecting box on the top cap, the collecting box with the air outlet of aspiration pump is linked together, be provided with on the collecting box and be used for carrying out filterable filter piece to the poison gas.

Through adopting above-mentioned technical scheme, when operating personnel used the sample thief, start fan and aspiration pump to be convenient for form the wind channel in the sample thief main part, when the sample thief leaked harmful gas, can be convenient for carry harmful gas to the collecting box in, the rethread filters the setting of piece, can be convenient for block harmful substance in the collecting box, thereby can be convenient for reduce operating personnel's health risk.

Preferably, the filter element comprises a cloth bag, and the cloth bag is arranged on one side of the collecting box.

Through adopting above-mentioned technical scheme, when needs block the harmful substance in the gas in the collecting box, through the setting of sack to be convenient for block the harmful substance in the gas in the collecting box.

Preferably, the air outlet pipe and one end of the air exhaust pipe close to the sampler main body are both communicated with a connecting pipe, and the connecting pipe is communicated with the sampler main body.

Through adopting above-mentioned technical scheme, through the setting of connecting pipe, can be convenient for increase the produced wind of fan and the inside area of contact of sample thief main part to be convenient for further improve the efficiency that the inside gas of sample thief main part was carried.

Preferably, the sampler main body is provided with a sealing plate at an opening thereof in a sliding manner, and the sampler main body is provided with a driving assembly for driving the sealing plate to move.

By adopting the technical scheme, the sealing plate can prevent harmful gas from being sucked into the body of an operator conveniently, so that the health risk of the operator is further reduced; through drive assembly's setting, can be convenient for drive sealing plate remove.

Preferably, the driving assembly comprises a screw rod, the screw rod is rotatably arranged on the top cover through a first connecting block, a driving block is fixedly connected to one side, close to the screw rod, of the sealing plate, the driving block is in threaded fit with the screw rod, and a turntable is fixedly connected to one end of the screw rod.

By adopting the technical scheme, when the sealing plate needs to be driven to move, the rotary table is driven to rotate, the rotary table drives the lead screw to rotate, and the lead screw drives the driving block to move, so that the sealing plate is driven to move conveniently.

Preferably, one side of the sampler main body, which is far away from the top cover, is fixedly connected with a base, and a guide assembly for guiding the sealing plate is arranged on the base.

Through adopting above-mentioned technical scheme, through the setting of direction subassembly, can be convenient for reduce the closing plate and take place rotatory possibility to the translation motion is done to the closing plate of being convenient for.

Preferably, the guide assembly comprises a guide rod, the guide rod is fixedly connected to the base through a second connecting block, a guide block is fixedly connected to one side, away from the driving block, of the sealing plate, and the guide block is in sliding fit with the guide rod.

Through adopting above-mentioned technical scheme, when needs lead to the closing plate, through the setting of guide bar and guide block, can be convenient for play the guide effect to the closing plate.

Preferably, a sealing ring groove is formed in one side, close to the sealing plate, of the sampler main body, and a sealing ring is arranged in the sealing ring groove.

Through adopting above-mentioned technical scheme, through the setting of sealing washer, can be convenient for improve the gas tightness between closing plate and the sample thief main part to be convenient for prevent that harmful gas from getting into the air.

To sum up, the application has the following beneficial effects:

1. when the sampler is used by an operator, the fan and the air pump are started, so that an air channel is conveniently formed in the sampler main body, when harmful gas leaks from the sampler, the harmful gas can be conveniently conveyed into the collection box, and then the harmful substances can be conveniently blocked in the collection box through the arrangement of the filter piece, so that the health risk of the operator can be conveniently reduced;

2. when the harmful substances in the gas need to be blocked in the collecting box, the harmful substances in the gas are conveniently blocked in the collecting box through the arrangement of the cloth bag;

3. by the arrangement of the sealing plate, harmful gas can be prevented from being sucked into the body of an operator conveniently, so that the health risk of the operator is further reduced; through drive assembly's setting, can be convenient for drive sealing plate remove.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

fig. 2 is a schematic view showing the structure of the connection tube in this embodiment.

Description of reference numerals: 1. a top cover; 11. a fan; 12. an air outlet pipe; 13. an air exhaust pipe; 14. an air pump; 15. a collection box; 16. a filter member; 161. a cloth bag; 17. a connecting pipe; 2. a sampler body; 21. a drive assembly; 211. a sealing plate; 212. a lead screw; 213. a first connection block; 214. a drive block; 215. a turntable; 22. a guide assembly; 221. a base; 222. a guide bar; 223. a guide block; 224. a second connecting block; 231. a seal ring groove; 232. and (5) sealing rings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that, as used in the following description, the terms "front," "rear," "left," "right," "upper," "lower," "bottom" and "top" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The utility model discloses a quantitative liquid closed sampler convenient for sampling, as shown in figures 1 and 2, comprising a top cover 1 and a sampler main body 2, wherein the top cover 1 is square and arranged along the horizontal direction, the sampler main body 2 is square and arranged on the bottom wall of the top cover 1 along the vertical direction, one side of the top cover 1 far away from the sampler main body 2 is provided with a fan 11 through a bolt, the air outlet of the fan 11 is communicated with an air outlet pipe 12, the cross section of the air outlet pipe 12 is circular and arranged along the vertical direction, one end of the air outlet pipe 12 far away from the fan 11 is communicated with the sampler main body 2, one side of the sampler main body 2 far away from the air outlet pipe 12 is communicated with an air exhaust pipe 13, the cross section of the air exhaust pipe 13 is circular and arranged along the vertical direction, one side of the top cover 1 near the fan 11 is provided with an air exhaust pump 14 through a bolt, the air inlet of the air exhaust pump 14 is communicated with one end of the air exhaust pipe 13 far away from the sampler main body 2, fixedly connected with collecting box 15 on top cap 1, collecting box 15 are square and set up along vertical direction, and one side that fan 11 was kept away from to collecting box 15 is linked together with the air outlet of aspiration pump 14, is provided with on the collecting box 15 to be used for carrying out filterable filtration piece 16 to the poison gas.

When operating personnel used the sample thief, start fan 11 and aspiration pump 14 to be convenient for form the wind channel in sample thief main part 2, when the sample thief leaked harmful gas, can be convenient for carry harmful gas to in collecting box 15, the rethread filters the setting of piece 16, can be convenient for block harmful substance in collecting box 15, thereby can be convenient for reduce operating personnel's health risk.

As shown in fig. 1 and 2, the filter 16 includes a cloth bag 161, the cloth bag 161 is flange-mounted on a side of the collecting tank 15 away from the air pump 14, and the cloth bag 161 is communicated with the collecting tank 15; one ends of the air outlet pipe 12 and the air exhaust pipe 13, which are close to the sampler main body 2, are communicated with a connecting pipe 17, the connecting pipe 17 is arranged along the length direction of the sampler main body 2, the cross section of the connecting pipe 17 is square, the area of the connecting pipe is gradually increased towards the direction close to the sampler main body 2, and the connecting pipe 17 is communicated with the sampler main body 2. When the harmful substances in the gas need to be blocked in the collecting box 15, the harmful substances in the gas are conveniently blocked in the collecting box 15 through the arrangement of the cloth bag 161; through the setting of connecting pipe 17, the produced wind of increase fan 11 and the inside area of removing of sample thief main part 2 can be convenient for to be convenient for further improve the efficiency that the inside gas of sample thief main part 2 was carried.

As shown in fig. 1 and 2, a sealing plate 211 is slidably disposed at an opening of the sampler body 2 along a length direction of the sampler body 2, the sealing plate 211 is square and vertically disposed, and a driving assembly 21 for driving the sealing plate 211 to move is disposed on the sampler body 2; drive assembly 21 includes lead screw 212, lead screw 212 sets up along the length direction of sample thief main part 2, two first connecting blocks 213 of bottom fixedly connected with of top cap 1, first connecting block 213 is squarely and sets up along vertical direction, the both ends of lead screw 212 rotate through the bearing respectively and set up in two first connecting blocks 213, one side fixedly connected with drive block 214 that the closing plate 211 is close to lead screw 212, drive block 214 is squarely and sets up along vertical direction, drive block 214 runs through drive block 214 with lead screw 212 screw-thread fit and lead screw 212 and sets up, lead screw 212 runs through first connecting block 213 one end fixedly connected with carousel 215, carousel 215 is the cake form and sets up along vertical direction.

By the arrangement of the sealing plate 211, harmful gas can be prevented from being sucked into the body of an operator conveniently, so that the health risk of the operator is further reduced; the driving assembly 21 is arranged to facilitate the driving of the sealing plate 211 to move; when the sealing plate 211 needs to be driven to move, the rotary disc 215 is driven to rotate, the rotary disc 215 drives the lead screw 212 to rotate, and the lead screw 212 drives the driving block 214 to move, so that the sealing plate 211 is driven to move conveniently.

As shown in fig. 1 and 2, a base 221 is fixedly connected to a side of the sampler body 2 away from the top cover 1, the base 221 is square and horizontally disposed on the ground, and a guide assembly 22 for guiding the sealing plate 211 is disposed on the base 221; the guide assembly 22 comprises a guide rod 222, the guide rod 222 is arranged along the length direction of the base 221, the guide rod 222 is cylindrical, one side of the base 221 close to the sampler main body 2 is fixedly connected with two second connecting blocks 224, the second connecting blocks 224 are square and arranged along the vertical direction, two ends of the guide rod 222 are respectively and fixedly connected to the opposite inner sides of the two second connecting blocks 224, one side of the sealing plate 211 far away from the driving block 214 is fixedly connected with a guide block 223, the guide block 223 is square and arranged along the vertical direction, the guide block 223 and the guide rod 222 are in sliding fit along the length direction of the base 221, and the guide rod 222 penetrates through the guide block 223; one side of the sampler main body 2 close to the sealing plate 211 is provided with a sealing ring 232 groove 231, the cross section of the sealing ring 232 groove 231 is in a square ring shape and extends along the width direction of the base 221, a sealing ring 232 is inserted in the sealing ring 232 groove 231, and the cross section of the sealing ring 232 is in a square ring shape and is arranged along the vertical direction.

Through the arrangement of the guide assembly 22, the possibility of rotation of the sealing plate 211 can be reduced conveniently, so that the sealing plate 211 can move in a translation manner conveniently; when the sealing plate 211 needs to be guided, the sealing plate 211 can be conveniently guided by the guide rod 222 and the guide block 223; through the setting of sealing washer 232, can be convenient for improve the gas tightness between closing plate 211 and the sample thief main part 2 to be convenient for prevent that harmful gas from getting into the air.

The working principle is as follows:

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a be convenient for sample with airtight sample thief of ration type liquid, includes top cap (1) and sample thief main part (2), its characterized in that: install fan (11) on top cap (1), the air outlet intercommunication of fan (11) has outlet duct (12), outlet duct (12) are kept away from the one end of fan (11) with sampler main part (2) are linked together, sampler main part (2) are kept away from one side intercommunication of outlet duct (12) has aspiration tube (13), install aspiration pump (14) on top cap (1), the air inlet of aspiration pump (14) with aspiration tube (13) are linked together, fixedly connected with collecting box (15) on top cap (1), collecting box (15) with the air outlet of aspiration pump (14) is linked together, be provided with on collecting box (15) and be used for carrying out filterable filter piece (16) to the poison gas.

2. The quantitative liquid-tight sampler for facilitating sampling according to claim 1, wherein: the filtering piece (16) comprises a cloth bag (161), and the cloth bag (161) is installed on one side of the collecting box (15).

3. The quantitative liquid-tight sampler for facilitating sampling according to claim 2, wherein: and one ends of the air outlet pipe (12) and the air exhaust pipe (13) close to the sampler main body (2) are communicated with a connecting pipe (17), and the connecting pipe (17) is communicated with the sampler main body (2).

4. The quantitative liquid-tight sampler for facilitating sampling according to claim 3, wherein: the sampler is characterized in that a sealing plate (211) is arranged at the opening of the sampler main body (2) in a sliding mode, and a driving assembly (21) used for driving the sealing plate (211) to move is arranged on the sampler main body (2).

5. The quantitative liquid-tight sampler for facilitating sampling according to claim 4, wherein: the driving assembly (21) comprises a lead screw (212), the lead screw (212) is rotatably arranged on the top cover (1) through a first connecting block (213), the sealing plate (211) is close to one side of the lead screw (212) and is fixedly connected with a driving block (214), the driving block (214) is in threaded fit with the lead screw (212), and one end of the lead screw (212) is fixedly connected with a turntable (215).

6. The quantitative liquid-tight sampler for facilitating sampling according to claim 5, wherein: one side of the sampler main body (2) far away from the top cover (1) is fixedly connected with a base (221), and a guide assembly (22) used for guiding the sealing plate (211) is arranged on the base (221).

7. The quantitative liquid-tight sampler for facilitating sampling according to claim 6, wherein: the guide assembly (22) comprises a guide rod (222), the guide rod (222) is fixedly connected to the base (221) through a second connecting block (224), a guide block (223) is fixedly connected to one side, away from the driving block (214), of the sealing plate (211), and the guide block (223) is in sliding fit with the guide rod (222).

8. The quantitative liquid-tight sampler for facilitating sampling according to claim 7, wherein: a sealing ring groove (231) is formed in one side, close to the sealing plate (211), of the sampler main body (2), and a sealing ring (232) is arranged in the sealing ring groove (231).