CN212206789U - Explosion-proof type dust sampling device - Google Patents
Explosion-proof type dust sampling device Download PDFInfo
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- CN212206789U CN212206789U CN202020996150.3U CN202020996150U CN212206789U CN 212206789 U CN212206789 U CN 212206789U CN 202020996150 U CN202020996150 U CN 202020996150U CN 212206789 U CN212206789 U CN 212206789U
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Abstract
The utility model discloses an explosion-proof dust sampling device, which comprises a base and a sampling component, wherein a supporting rod is arranged at the lower end of the base, and three groups of supporting rods are arranged, the three groups of supporting rods form a triangular structure, so that the stability of the base is better, the influence on the use of the sampling assembly due to the shaking of the base is prevented, meanwhile, the upper end of the base is fixedly provided with the telescopic cylinder, the position height of the sampling assembly can be changed by utilizing the switch, dust with different position heights can be sampled by utilizing the sampling head, the using effect is good, the upper end of the cylinder body is provided with the protecting cover, and an operator can fixedly install the cylinder body and the protecting cover by utilizing the matching use of the thread part and the connecting piece, and be provided with first filter screen, second filter screen and third filter screen in the inside of protecting cover, can filter the gas of suction sampling head, prevent that great dust from adsorbing at the filter membrane and influencing the testing result.
Description
Technical Field
The utility model relates to a sample thief technical field specifically is an explosion-proof type dust sampling device.
Background
The dust sampler is a portable appliance for collecting dust samples in dust-containing air; the dust concentration in the air is measured, and besides the requirement of safety production management, the dust concentration measuring instrument also aims to provide scientific basis for researching measures of dust prevention, dust fall and dust removal. The dust measurement by a sampler is a well-known method with higher accuracy; the device is widely applied to health monitoring and evaluation of departments such as disease prevention, environmental monitoring, labor protection, safety supervision, military, scientific research and teaching, metallurgy, petrochemical industry, railways, building materials and the like, and is specially used for measuring the average concentration of dust in the air in workplaces of production teams and groups.
When utilizing the sample thief to sample the dust, generally be provided with the support at the sample thief lower extreme, but some support stability is relatively poor, can make the sample thief tumble and cause the damage, and can only sample the dust of fixed height, use comparatively inconveniently.
To the problem, the utility model provides an explosion-proof type dust sampling device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an explosion-proof type dust sampling device possesses can have better stability, and conveniently carries out the dust sampling at the co-altitude, facilitates the use, advantage that excellent in use effect to the problem in the background art has been solved.
In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof dust sampling device comprises a base and a sampling assembly, wherein the sampling assembly is arranged at the upper end of the base, the base comprises a supporting rod and a telescopic cylinder, the supporting rod is arranged at the lower end of the base, and the telescopic cylinder is fixedly arranged at the upper end of the base;
the sampling assembly comprises a shell, an air suction pump, a flowmeter, a connecting pipe, a sampling head and a silencing layer, wherein the air suction pump is arranged in the shell, the flowmeter is arranged on one side of the air suction pump, the connecting pipe is arranged on one side of the flowmeter, the other end of the connecting pipe is fixedly installed with the sampling head, and the silencing layer is arranged on the inner wall of the shell; the shell comprises a display screen and a button, the display screen is arranged on the surface of the shell, and the button is arranged at the lower end of the display screen.
Preferably, the aspiration pump includes hose, fixed plate, connecting plate, mounting panel and mounting hole, and the one end of hose is connected with the aspiration pump, and the other end of hose is connected with the flowmeter, and the fixed plate setting is at the lower extreme of aspiration pump, and the connecting plate setting is in the upper end of fixed plate, and the connecting plate is the L shape, and the mounting panel setting is in one side of aspiration pump, and the mounting panel passes through mounting hole fixed mounting with the connecting plate.
Preferably, the sampling head comprises a cylinder body and a protective cover, the cylinder body is arranged on one side of the connecting pipe, and the protective cover is fixedly arranged at the upper end of the cylinder body.
Preferably, the cylinder comprises a threaded portion and a filter membrane, the threaded portion is arranged on the inner wall of the cylinder, and the filter membrane is arranged inside the cylinder.
Preferably, the protecting cover includes import, connecting piece, first filter screen, second filter screen and third filter screen, and the import sets up on the surface of protecting cover, and the connecting piece sets up at the lower extreme of protecting cover, and connecting piece and screw thread portion phase-match, and first filter screen setting is in the inside of protecting cover, and the second filter screen setting is at the intermediate position of first filter screen and third filter screen, and the third filter screen setting is at the lower extreme of second filter screen.
Preferably, the flow meter is a DN50 flow meter.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model provides an explosion-proof type dust sampling device, at the lower extreme bracing piece of base, and the bracing piece is provided with three groups, and three groups bracing pieces become the triangle-shaped structure for the stability of base is better, prevents to rock and influence the use of sampling subassembly because the base, has telescopic cylinder at the upper end fixed mounting of base simultaneously, can make the position height of sampling subassembly change through utilizing the switch, can utilize the sampling head to sample the dust of different position heights, excellent in use effect.
2. The utility model provides an explosion-proof type dust sampling device is provided with the fixed plate in the inside of shell, the aspiration pump sets up the upper end at the fixed plate, connecting plate fixed mounting is in the upper end of fixed plate, operating personnel can utilize mounting panel and mounting hole can be with aspiration pump and connecting plate fixed mounting, can make the aspiration pump position fix, influence the stability of shell because self vibrations when preventing the aspiration pump use, be provided with the amortization layer simultaneously at the shell inner wall for the during operation noise reduction.
3. The utility model provides an explosion-proof type dust sampling device, the upper end of barrel is provided with the protecting cover, and operating personnel uses through the cooperation that utilizes screw thread portion and connecting piece for barrel and protecting cover fixed mounting, and be provided with first filter screen, second filter screen and third filter screen in the inside of protecting cover, can filter the gas of suction sampling head, prevent that great dust from adsorbing at the filter membrane and influencing the testing result.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the housing of the present invention;
fig. 3 is an enlarged view of a point a in fig. 2 according to the present invention;
fig. 4 is a schematic view of the sampling head structure of the present invention;
figure 5 is a schematic view of the protective cover of the present invention.
In the figure: 1. a base; 11. a support bar; 12. a telescopic cylinder; 2. a sampling component; 21. a housing; 211. a display screen; 212. a button; 22. an air pump; 221. a hose; 222. a fixing plate; 223. a connecting plate; 224. mounting a plate; 225. mounting holes; 23. a flow meter; 24. a connecting pipe; 25. a sampling head; 251. a barrel; 2511. a threaded portion; 2512. filtering the membrane; 252. a protective cover; 2521. an inlet; 2522. a connecting member; 2523. a first filter screen; 2524. a second filter screen; 2525. a third filter screen; 26. and a sound attenuation layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, an explosion-proof dust sampling device includes a base 1 and a sampling assembly 2, the sampling assembly 2 is disposed at the upper end of the base 1, the base 1 includes a support rod 11 and a telescopic cylinder 12, the support rod 11 is disposed at the lower end of the base 1, and the telescopic cylinder 12 is fixedly mounted at the upper end of the base 1; the lower end of the base 1 is provided with the support rods 11, the support rods 11 are provided with three groups, the three groups of support rods 11 are of triangular structures, the base 1 is enabled to have good stability, the influence on the use of the sampling assembly 2 due to the shaking of the base 1 is prevented, meanwhile, the telescopic air cylinder 12 is fixedly installed at the upper end of the base 1, the position height of the sampling assembly 2 can be changed by utilizing a switch, dust with different position heights can be sampled by utilizing the sampling head 25, the using effect is good, the sampling assembly 2 comprises a shell 21, an air suction pump 22, a flow meter 23, a connecting pipe 24, the sampling head 25 and a silencing layer 26, the air suction pump 22 is arranged inside the shell 21, the flow meter 23 is arranged on one side of the air suction pump 22, the connecting pipe 24 is arranged on one side of the flow meter 23, the other end of the connecting pipe 24 is; the housing 21 comprises a display screen 211 and a button 212, wherein the display screen 211 is arranged on the surface of the housing 21, and the button 212 is arranged at the lower end of the display screen 211; flow meter 23 is a DN50 flow meter; meanwhile, the inner wall of the shell 21 is provided with a sound attenuation layer 26, so that noise is reduced during operation.
Referring to fig. 3, the air pump 22 includes a hose 221, a fixing plate 222, a connecting plate 223, a mounting plate 224 and a mounting hole 225, wherein one end of the hose 221 is connected to the air pump 22, the other end of the hose 221 is connected to the flow meter 23, the fixing plate 222 is disposed at the lower end of the air pump 22, the connecting plate 223 is disposed at the upper end of the fixing plate 222, the connecting plate 223 is L-shaped, the mounting plate 224 is disposed at one side of the air pump 22, and the mounting plate 224 and the connecting plate 223 are fixedly mounted through the mounting hole 225; the fixing plate 222 is arranged in the shell 21, the air suction pump 22 is arranged at the upper end of the fixing plate 222, the connecting plate 223 is fixedly arranged at the upper end of the fixing plate 222, an operator can fixedly install the air suction pump 22 and the connecting plate 223 by using the installing plate 224 and the installing hole 225, the position of the air suction pump 22 can be fixed, and the influence on the stability of the shell 21 caused by self vibration when the air suction pump 22 is used is prevented.
Referring to fig. 4 and 5, the sampling head 25 includes a cylinder 251 and a protecting cover 252, the cylinder 251 is disposed at one side of the connecting tube 24, and the protecting cover 252 is fixedly mounted at the upper end of the cylinder 251; the cylinder 251 includes a screw portion 2511 and a filter membrane 2512, the screw portion 2511 is disposed on the inner wall of the cylinder 251, and the filter membrane 2512 is disposed inside the cylinder 251; the protective cover 252 includes an inlet 2521, a connecting member 2522, a first filter 2523, a second filter 2524, and a third filter 2525, the inlet 2521 is disposed on the surface of the protective cover 252, the connecting member 2522 is disposed at the lower end of the protective cover 252, and the connecting member 2522 is matched with the threaded portion 2511, the first filter 2523 is disposed inside the protective cover 252, the second filter 2524 is disposed at the middle position between the first filter 2523 and the third filter 2525, and the third filter 2525 is disposed at the lower end of the second filter 2524; the upper end of barrel 251 is provided with protecting cover 252, and operating personnel uses through the cooperation that utilizes screw thread portion 2511 and connecting piece 2522 for barrel 251 and protecting cover 252 fixed mounting, and be provided with first filter screen 2523, second filter screen 2524 and third filter screen 2525 in the inside of protecting cover 252, can filter the gas of suction sampling head 25, prevent that great dust from adsorbing at filter membrane 2512 and influence the testing result.
In summary, the following steps: the explosion-proof dust sampling device is characterized in that three groups of supporting rods 11 are arranged at the lower end of a base 1, the three groups of supporting rods 11 are of a triangular structure, so that the stability of the base 1 is good, the influence on the use of a sampling component 2 due to the shaking of the base 1 is prevented, meanwhile, a telescopic cylinder 12 is fixedly arranged at the upper end of the base 1, the position height of the sampling component 2 can be changed by utilizing a switch, dust with different position heights can be sampled by utilizing a sampling head 25, the using effect is good, a fixing plate 222 is arranged in a shell 21, an air suction pump 22 is arranged at the upper end of the fixing plate 222, a connecting plate 223 is fixedly arranged at the upper end of the fixing plate 222, an operator can fixedly install the air suction pump 22 and the connecting plate 223 by utilizing an installation plate 224 and an installation hole 225, the position of the air suction pump 22 can be fixed, and the influence on the stability of, the upper end of barrel 251 is provided with protecting cover 252, and operating personnel uses through the cooperation that utilizes screw thread portion 2511 and connecting piece 2522 for barrel 251 and protecting cover 252 fixed mounting, and be provided with first filter screen 2523, second filter screen 2524 and third filter screen 2525 in the inside of protecting cover 252, can filter the gas of suction sampling head 25, prevent that great dust from adsorbing at filter membrane 2512 and influence the testing result.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an explosion-proof type dust sampling device, includes base (1) and sampling component (2), and sampling component (2) set up the upper end at base (1), its characterized in that: the base (1) comprises a supporting rod (11) and a telescopic cylinder (12), the supporting rod (11) is arranged at the lower end of the base (1), and the telescopic cylinder (12) is fixedly arranged at the upper end of the base (1);
the sampling assembly (2) comprises a shell (21), an air suction pump (22), a flow meter (23), a connecting pipe (24), a sampling head (25) and a silencing layer (26), wherein the air suction pump (22) is arranged inside the shell (21), the flow meter (23) is arranged on one side of the air suction pump (22), the connecting pipe (24) is arranged on one side of the flow meter (23), the other end of the connecting pipe (24) is fixedly installed with the sampling head (25), and the silencing layer (26) is arranged on the inner wall of the shell (21); the shell (21) comprises a display screen (211) and a button (212), the display screen (211) is arranged on the surface of the shell (21), and the button (212) is arranged at the lower end of the display screen (211).
2. An explosion-proof dust sampling device according to claim 1, wherein: the air pump (22) comprises a hose (221), a fixing plate (222), a connecting plate (223), a mounting plate (224) and a mounting hole (225), one end of the hose (221) is connected with the air pump (22), the other end of the hose (221) is connected with the flowmeter (23), the fixing plate (222) is arranged at the lower end of the air pump (22), the connecting plate (223) is arranged at the upper end of the fixing plate (222), the connecting plate (223) is L-shaped, the mounting plate (224) is arranged on one side of the air pump (22), and the mounting plate (224) and the connecting plate (223) are fixedly mounted through the mounting hole (225).
3. An explosion-proof dust sampling device according to claim 1, wherein: the sampling head (25) comprises a cylinder body (251) and a protective cover (252), the cylinder body (251) is arranged on one side of the connecting pipe (24), and the protective cover (252) is fixedly arranged at the upper end of the cylinder body (251).
4. An explosion-proof dust sampling apparatus according to claim 3, wherein: the barrel (251) comprises a threaded portion (2511) and a filter membrane (2512), the threaded portion (2511) is arranged on the inner wall of the barrel (251), and the filter membrane (2512) is arranged inside the barrel (251).
5. An explosion-proof dust sampling apparatus according to claim 3, wherein: protecting cover (252) includes import (2521), connecting piece (2522), first filter screen (2523), second filter screen (2524) and third filter screen (2525), import (2521) sets up the surface at protecting cover (252), connecting piece (2522) set up the lower extreme at protecting cover (252), and connecting piece (2522) and screw thread portion (2511) phase-match, first filter screen (2523) set up the inside at protecting cover (252), second filter screen (2524) set up the intermediate position at first filter screen (2523) and third filter screen (2525), third filter screen (2525) set up the lower extreme at second filter screen (2524).
6. An explosion-proof dust sampling device according to claim 1, wherein: the flow meter (23) is a DN50 flow meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020996150.3U CN212206789U (en) | 2020-06-03 | 2020-06-03 | Explosion-proof type dust sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020996150.3U CN212206789U (en) | 2020-06-03 | 2020-06-03 | Explosion-proof type dust sampling device |
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| Publication Number | Publication Date |
|---|---|
| CN212206789U true CN212206789U (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020996150.3U Active CN212206789U (en) | 2020-06-03 | 2020-06-03 | Explosion-proof type dust sampling device |
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| CN (1) | CN212206789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649298A (en) * | 2020-12-31 | 2021-04-13 | 河北可为金属制品集团有限公司 | Clean intelligent annealed black iron wire strength detection device |
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2020
- 2020-06-03 CN CN202020996150.3U patent/CN212206789U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112649298A (en) * | 2020-12-31 | 2021-04-13 | 河北可为金属制品集团有限公司 | Clean intelligent annealed black iron wire strength detection device |
| CN112649298B (en) * | 2020-12-31 | 2023-04-21 | 河北可为金属制品集团有限公司 | Clean type intelligent annealed black iron wire strength detection device |
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Address after: Room 368, No.16, Daguan South Road, Huangcun, Tianhe District, Guangzhou City, Guangdong Province Patentee after: Guangdong Zhongjing testing certification Co.,Ltd. Address before: Room 403, No. 16, Daguan South Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG ZHONGJING ENVIRONMENT MONITORING Co.,Ltd. |