CN218067246U

CN218067246U - Convenient ambient air monitoring equipment comprehensive sampler who changes

Info

Publication number: CN218067246U
Application number: CN202221185073.9U
Authority: CN
Inventors: 徐晨航; 张飞祥; 王铮
Original assignee: Heilongjiang Huichuan Testing Co ltd
Current assignee: Heilongjiang Huichuan Testing Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-12-16
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a convenient ambient air monitoring equipment comprehensive sampling ware of changing relates to air sampler technical field, this convenient ambient air monitoring equipment comprehensive sampling ware of changing, including the sample thief body, the top fixedly connected with sampling head of sample thief body, the inside of sampling head is the convex, and the upper end of sampling head is provided with the lid, and the inner wall of sampling head is provided with the filter membrane, and the upper surface of filter membrane is provided with a movable section of thick bamboo, and the standing groove has been seted up to the inner wall of sampling head, and the inside of standing groove is provided with coupling mechanism, and setting through coupling mechanism makes operating personnel only need to press down the filter membrane and just can accomplish fixing the filter membrane, makes operating personnel only need rotate the pivot simultaneously, and the change to the filter membrane just can be accomplished to the pulling stay cord, makes operating personnel no longer need demolish the sampling head, just can accomplish the change of filter membrane, and easy operation is high-efficient, has improved the efficiency that operating personnel changed the filter membrane.

Description

Convenient ambient air monitoring equipment comprehensive sampler of changing

Technical Field

The utility model relates to an air sampler technical field, in particular to convenient ambient air monitoring equipment comprehensive sampling ware of changing.

Background

Suspended particulate matter is a generic term for solid and liquid particulate matter floating in air, having a particle size in the range of about 0.1 to 100 microns, some of which may be visible to the naked eye due to large particle size or black color, such as smoke. Some are so small as to be observable using an electron microscope. Generally, particulate matters with the particle size of less than 10 microns are called PM10, which are also called inhalable particulate matters or floating dust, and long-time absorption of the inhalable particulate matters can cause harm to the health of people.

However, the existing air sampler is continuously used, because the atmosphere contains a large amount of pollutants, the filter membrane in the air sampler can accumulate impurity pollutants after being used for a long time, so that the filter membrane loses the unable normal use of the filtering function, the filter membrane needs to be replaced at the moment, the filter membrane in the existing air sampler is connected with a sampling head fixing mode, the operation of replacing the filter membrane is more complicated, and the efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least, provide an environmental air monitoring equipment comprehensive sampling ware of convenient change, can solve among the current air sampler filter membrane and change comparatively trouble, the lower problem of efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a convenient ambient air monitoring facilities comprehensive sampling ware of changing, includes the sample thief body, the top fixedly connected with sampling head of sample thief body, the inside of sampling head is the convex, and the upper end of sampling head is provided with the lid, and the inner wall of sampling head is provided with the filter membrane, and the upper surface of filter membrane is provided with movable section of thick bamboo, and the standing groove has been seted up to the inner wall of sampling head, and the inside of standing groove is provided with coupling mechanism.

Preferably, the surface of a movable cylinder is provided with and is curved movable groove, and the extrusion groove has been seted up to the inner wall of sampling head, and the inner wall sliding connection in extrusion groove has the stripper bar, and the one end that the stripper bar is close to a movable cylinder is the hemisphere, the surface of stripper bar and the surface sliding connection of a movable cylinder, the surface of stripper bar equally with the inner wall sliding connection in movable groove, the stripper bar is close to the first spring of the one end fixedly connected with in extrusion groove, the one end fixed connection in the extrusion groove of stripper bar is kept away from to first spring.

Preferably, coupling mechanism includes the connecting rod, the surface of connecting rod and the inner wall sliding connection of standing groove, and the upper end fixed connection of connecting rod is in the bottom of filter membrane, and the inner wall fixedly connected with dead lever of standing groove, the surperficial rotation of dead lever are connected with the dwang, and the inner wall rotation of standing groove is connected with the pivot that runs through the sampling head surface, and the surface of pivot is connected with the rotor plate with the inner wall rotation of sampling head equally, the fixed surface of pivot.

Preferably, one side of the connecting rod, which is close to the inner wall of the sampling head, is in a sawtooth shape, and one end of the rotating rod, which is close to the connecting rod, is also in a sawtooth shape.

Preferably, the surface of the filter membrane is fixedly connected with a pull rope, the upper end of the sampling head is provided with a sliding groove, and one end of the pull rope, far away from the filter membrane, penetrates through the sliding groove and protrudes out of the surface of the sampling head.

Preferably, the inner wall of the placing groove is fixedly connected with a second spring, and one end, far away from the inner wall of the placing groove, of the second spring is in surface contact with the rotating rod.

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

(1) This convenient ambient air monitoring equipment comprehensive sampling ware of changing, through coupling mechanism's setting, make operating personnel only need press down the filter membrane just can accomplish the fixed to the filter membrane, make operating personnel only need rotate the pivot simultaneously, the change to the filter membrane just can be accomplished to the pulling stay cord, makes operating personnel no longer need demolish the sampling head, just can accomplish the change of filter membrane, and easy operation is high-efficient, has improved the efficiency that operating personnel changed the filter membrane.

(2) This convenient ambient air monitoring equipment comprehensive sampling ware of changing through the setting of connecting rod with the dwang cockscomb structure, when having guaranteed connecting rod and dwang zonulae occludens, with the inside of connecting rod restriction at the standing groove, makes the connecting rod can't extract, and then has reduced the possibility that the filter membrane breaks away from the sampling head, and then has improved device structural connection's stability.

(3) This convenient ambient air monitoring facilities comprehensive sampling ware of changing, setting through extrusion stem and first spring, make a movable section of thick bamboo be in throughout in the sampling head by the extruded state, and then reduced the possibility of a movable section of thick bamboo roll-off from the sampling head, the position to a movable section of thick bamboo has been restricted, make a movable section of thick bamboo can not take place to rock in the sampling head, and then make a movable section of thick bamboo can always contact with the filter membrane, the position to the position of filter membrane has been injectd, the possibility that the filter membrane took place to rock in the sampling head has been reduced, and then the steady operation of filter membrane has been guaranteed.

Drawings

The invention is further described below with reference to the following figures and examples:

FIG. 1 is a schematic structural view of an integrated sampler of an ambient air monitoring device of the present invention, which is convenient to replace;

FIG. 2 is a schematic view of the surface structure of the cover of the present invention;

FIG. 3 is a schematic view of the internal structure of the sampling head of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a front view of the sampling head of the present invention;

fig. 6 is an enlarged view of fig. 5 at B.

Reference numerals: 1. a sampler body; 2. a sampling head; 3. a cover; 4. a chute; 5. pulling a rope; 6. a rotating plate; 7. a movable barrel; 8. a rotating shaft; 9. filtering the membrane; 10. a second spring; 11. a fixing rod; 12. a movable groove; 13. an extrusion stem; 14. a first spring; 15. extruding a groove; 16. a connecting rod; 17. rotating the rod; 18. and (6) placing a groove.

Detailed Description

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a convenient ambient air monitoring equipment comprehensive sampling ware of changing, including sample thief body 1, sample thief body 1's top fixedly connected with sampling head 2, sampling head 2's upper end is provided with lid 3, be used for sealing sampling head 2, avoid the device when not using, inside outside dust or impurity entering device, sampling head 2's inside is the convex, sampling head 2's inner wall is provided with filter membrane 9, and then through the setting of the inside convex of sampling head 2, a stable mounted position is provided for filter membrane 9, the steady job of filter membrane 9 has been guaranteed.

The upper surface of filter membrane 9 is provided with a movable cylinder 7, movable cylinder 7 is located the inside of sampling head 2, the surface of movable cylinder 7 has been seted up and has been curved movable groove 12, squeeze groove 15 has been seted up to the inner wall of sampling head 2, the inner wall sliding connection of squeeze groove 15 has a pressure ram 13, the one end that pressure ram 13 is close to movable cylinder 7 is the hemisphere, the surface of pressure ram 13 and movable cylinder 7's sliding surface connection, the same and movable groove 12's of surface sliding connection of pressure ram 13, and then through the setting of the hemisphere end of pressure ram 13, frictional force when having reduced pressure ram 13 and movable cylinder 7 surface and the sliding of movable groove 12 inner wall, the one end fixedly connected with first spring 14 that pressure ram 13 is close to pressure groove 15, the one end fixed connection at pressure groove 15 of pressure ram 13 is kept away from to first spring 14.

Further, because the hemispherical end of the extrusion rod 13 slides with the surface of the movable barrel 7, the operator can directly pull the movable barrel 7 out of the sampling head 2, the operator can clean and replace the movable barrel 7 conveniently, and meanwhile, when the movable barrel 7 is inserted into the sampling head 2, the surface of the movable barrel 7 extrudes the cambered surface of the extrusion rod 13, so that the extrusion rod 13 slides in the extrusion groove 15, and the extrusion rod 13 extrudes the first spring 14, when the extrusion rod 13 contacts with the movable groove 12, and further under the elastic force of the first spring 14, the extrusion rod 13 extrudes the inner wall of the movable groove 12, at the moment, the first spring 14 is still in a compressed state, and further through the arc-shaped arrangement of the movable groove 12, the extrusion force of the extrusion rod 13 is concentrated, so that the movable barrel 7 is simply fixed, the extrusion rod 13 can smoothly slide out of the movable groove 12, the smooth operation of the device is ensured, meanwhile, the arrangement of the extrusion rod 13 and the first spring 14 ensures that the movable barrel 7 is always in a stable position, and further ensures that the movable barrel 7 can not swing from the movable head 7, and the sampling head can not always swing head 9, and the movable barrel 7 can not swing head 9, and the sampling head can be stably lowered in the sampling head 2, and the sampling head can not be stably lowered, and the sampling head can be stably lowered in the sampling head 2.

Standing groove 18 has been seted up to the inner wall of sampling head 2, the inside of standing groove 18 is provided with coupling mechanism, coupling mechanism includes connecting rod 16, the surface of connecting rod 16 and the inner wall sliding connection of standing groove 18, the upper end fixed connection of connecting rod 16 is in the bottom of filter membrane 9, one side that is close to 2 inner walls of sampling head of connecting rod 16 is the cockscomb structure, the inner wall fixed connection dead lever 11 of standing groove 18, the surperficial rotation of dead lever 11 is connected with dwang 17, the one end that is close to connecting rod 16 of dwang 17 is the cockscomb structure equally, and then through the setting of connecting rod 16 with the 17 cockscomb structure of dwang, make to be in the fork form each other between connecting rod 16 and the dwang 17, make the connection between connecting rod 16 and the dwang 17 more inseparable, and then improved the stability of being connected between connecting rod 16 and the dwang 17, and then avoided breaking away from of filter membrane 9, the integrality of device structure has been guaranteed.

The inner wall fixedly connected with second spring 10 of standing groove 18, the one end and the dwang 17 surface contact of the 18 inner walls of standing groove are kept away from to second spring 10, the inner wall of standing groove 18 rotates and is connected with the pivot 8 that runs through the 2 surperficial sampling heads, the surface of pivot 8 is connected with the inner wall rotation of sampling heads 2 equally, the fixed surface of pivot 8 is connected with rotor plate 6, the fixed surface of filter membrane 9 is connected with stay cord 5, spout 4 has been seted up to the upper end of sampling heads 2, the one end that filter membrane 9 was kept away from to stay cord 5 is passed spout 4 salient in the surface of sampling heads 2.

When fixing the filter membrane 9, the operator can plug the filter membrane 9 into the sampling head 2, and insert the connecting rod 16 into the placing groove 18, along with the insertion of the connecting rod 16, the inclined surface of the connecting rod 16 and the inclined surface of the rotating rod 17 contact each other, and further along with pressing down the connecting rod 16, the inclined surface of the connecting rod 16 extrudes the inclined surface of the rotating rod 17, and further the rotating rod 17 deflects with the fixing rod 11 as the center of circle, that is, the rotating rod 17 deflects towards the direction away from the connecting rod 16, and further the second spring 10 is extruded, because of the deflection of the rotating rod 17, and further the connecting rod 16 is smoothly inserted into the placing groove 18, when the connecting rod 16 and the inclined surface of the rotating rod 17 are separated from each other, under the elastic force of the second spring 10, the saw teeth of the connecting rod 16 and the saw teeth of the rotating rod 17 are engaged with each other, and further the plane of the connecting rod 16 and the rotating rod 17 contact with each other, and further the filter membrane 9 is pulled upwards at the moment, and the plane of the connecting rod 17 blocks the plane of the connecting rod 16, and the connecting rod 17, and the possibility that the head of the connecting rod 16 is not being connected with the connecting rod 17 is pulled out of the placing groove is reduced is possibly caused, and the head of the sampling device is reduced.

When needing to change filter membrane 9, operating personnel can be through rotating pivot 8, drive rotor plate 6 and rotate, and then make rotor plate 6 and the lower extreme contact of dwang 17, and then along with the rotation of pivot 8, rotor plate 6 extrudes the lower extreme of connecting rod 16, and then make dwang 17 skew take place once more, and extrude second spring 10 once more, because the skew of dwang 17, and then make the plane of dwang 17 no longer block the plane of connecting rod 16, and then can pass through pulling stay cord 5 this moment, it rises at the inside of sampling head 2 to drive filter membrane 9, and then drive connecting rod 16 and slide in the inside of standing groove 18 and rise, until pulling out filter membrane 9, can repeat above-mentioned step completion to the change of filter membrane 9 afterwards, and then through coupling mechanism's setting, make operating personnel only need to press down filter membrane 9 and just can accomplish the fixing to filter membrane 9, make operating personnel only need to rotate pivot 8 simultaneously, pulling stay cord 5 just can accomplish the change to filter membrane 9, it needs to demolish sampling head 2, just can accomplish the change of filter membrane 9, just, the change of simple operation is operating personnel is no longer high-efficient, operating personnel's efficiency has improved no longer.

The working principle is as follows: when the filter membrane 9 is fixed, an operator can plug the filter membrane 9 into the sampling head 2, and insert the connecting rod 16 into the placing groove 18, along with the insertion of the connecting rod 16, the inclined surface of the connecting rod 16 and the inclined surface of the rotating rod 17 contact each other, and further along with the pressing of the connecting rod 16, the inclined surface of the connecting rod 16 extrudes the inclined surface of the rotating rod 17, and further the rotating rod 17 deviates with the fixed rod 11 as a center of circle, and further the second spring 10 is extruded, and further the connecting rod 16 can be smoothly inserted into the placing groove 18, when the connecting rod 16 and the inclined surface of the rotating rod 17 are separated from each other, under the elastic force of the second spring 10, the saw teeth of the connecting rod 16 are meshed with the saw teeth of the rotating rod 17, and further the plane of the connecting rod 16 and the plane of the rotating rod 17 contact each other, so that the plane of the rotating rod 17 blocks the plane of the connecting rod 16, and further the connecting rod 16 cannot be pulled out of the placing groove 18, and the installation of the filter membrane 9 is completed.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a convenient ambient air monitoring facilities comprehensive sampling ware of changing which characterized in that: including sample thief body (1), the top fixedly connected with sampling head (2) of sample thief body (1), the inside of sampling head (2) is the convex, and the upper end of sampling head (2) is provided with lid (3), and the inner wall of sampling head (2) is provided with filter membrane (9), and the upper surface of filter membrane (9) is provided with movable section of thick bamboo (7), and standing groove (18) have been seted up to the inner wall of sampling head (2), and the inside of standing groove (18) is provided with coupling mechanism.

2. The ambient air monitor device comprehensive sampler convenient for replacement as recited in claim 1, wherein: the utility model discloses a sampling device, including a sampling head (2), an extrusion groove (15), the inner wall sliding connection of extrusion groove (15) has an extrusion pole (13), the one end that extrusion pole (13) are close to movable barrel (7) is the hemisphere, the surface of extrusion pole (13) and the surface sliding connection of movable barrel (7), the surface of extrusion pole (13) is same with the inner wall sliding connection of activity groove (12), the first spring (14) of one end fixedly connected with that extrusion pole (13) are close to extrusion groove (15), the one end fixed connection in extrusion groove (15) of extrusion pole (13) is kept away from in first spring (14).

3. The ambient air monitor apparatus autosampler of claim 1, wherein said sampler further comprises: the connection mechanism comprises a connection rod (16), the surface of the connection rod (16) is in sliding connection with the inner wall of a placement groove (18), the upper end of the connection rod (16) is fixedly connected to the bottom of a filter membrane (9), the inner wall of the placement groove (18) is fixedly connected with a fixing rod (11), the surface of the fixing rod (11) is rotatably connected with a rotating rod (17), the inner wall of the placement groove (18) is rotatably connected with a rotating shaft (8) which penetrates through the surface of a sampling head (2), the surface of the rotating shaft (8) is also rotatably connected with the inner wall of the sampling head (2), and the surface of the rotating shaft (8) is fixedly connected with a rotating plate (6).

4. The ambient air monitor apparatus autosampler of claim 3, wherein said sampler further comprises: one side of the connecting rod (16) close to the inner wall of the sampling head (2) is in a sawtooth shape, and one end of the rotating rod (17) close to the connecting rod (16) is also in a sawtooth shape.

5. The ambient air monitor apparatus autosampler of claim 3, wherein said sampler further comprises: the surface of the filter membrane (9) is fixedly connected with a pull rope (5), the upper end of the sampling head (2) is provided with a sliding groove (4), and one end, far away from the filter membrane (9), of the pull rope (5) penetrates through the sliding groove (4) to protrude out of the surface of the sampling head (2).

6. The ambient air monitor apparatus autosampler of claim 3, wherein said sampler further comprises: the inner wall of the placing groove (18) is fixedly connected with a second spring (10), and one end, far away from the inner wall of the placing groove (18), of the second spring (10) is in surface contact with the rotating rod (17).