CN218157007U

CN218157007U - Dust sampling device

Info

Publication number: CN218157007U
Application number: CN202221878828.3U
Authority: CN
Inventors: 蔡万庆; 杨姗平; 俞利平; 王松; 王丽; 许蓉蓉; 季鹏程
Original assignee: Jiangsu Zhongju Detection Service Co ltd
Current assignee: Jiangsu Zhongju Detection Service Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-12-27
Anticipated expiration: 2032-07-19

Abstract

The utility model relates to a dust sampling device technical field just discloses a dust sampling device, and sampling device includes air inlet, air guide fan, collection box, collection cover. This dust sampling device, the utility model discloses a second filter screen and first filter screen loop through the discharge gate and enter into the filter frame inboard, and it is whole through the thread tightening, it is fixed to paste along the filter frame periphery to concentrate the cover after the installation again, the dust is through the filtration of first filter screen and second filter screen, concentrate through natural sedimentation and fall on the collection box inboard, and then concentrate the dust and collect, be provided with fixed frame through the outside at the stopper, the stopper has from top to bottom to insert at fixed frame inboard, the stopper inserts when fixed frame is inboard completely, the stopper bottom will extend to the chamber door openly, thereby it can fix the chamber door to reach the stopper, and the stopper top surface is connecting catch and solid fixed ring, can connect the stopper, avoid losing.

Description

Dust sampling device

Technical Field

The utility model relates to a dust sampling device technical field specifically is a dust sampling device.

Background

The dust sampler is a portable device 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 recognized 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.

And to current dust sampling device, the used filter screen of sampling often is through the bolt clamp fixed unable dust of concentrating the collection in the time, consequently is comparatively inconvenient in the installation or take off the filter screen, comparatively wasted time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a dust sampling device possesses and loops through the discharge gate through second filter screen and first filter screen and enter into the filter frame inboardly, and all pass through the thread tightening, will concentrate the cover after the installation again and paste fixedly along the filter frame periphery, and the dust is through the filtration of first filter screen and second filter screen, and is concentrating through natural sedimentation and falls on the collection box inboardly, and then concentrates advantages such as collection with the dust, has solved above-mentioned technical problem.

Technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a dust sampling device comprises a sampling device, wherein the sampling device comprises an air inlet, an air guide fan, a collecting box, a collecting cover, a concentrating cover, a box door, a limiting block, a locking ring, a fixing ring and a filter frame;

the gas inlet is arranged at two ends of the sampling device, the gas guide fan is arranged on the top surface of the sampling device, the collection box is arranged on the inner side of the sampling device, the collection cover is arranged at the top end of the inner side of the sampling device, the concentration cover is arranged on the top surface of the sampling device, the box door is arranged on the front surface of the sampling device, the limiting block is arranged on the top surface of the box door, the locking ring is arranged on the top surface of the limiting block, the fixing ring is connected with the locking ring, and the filter frame is arranged on the bottom surface of the collection cover.

Preferably, the air inlet is opened at both ends of the sampling device, the air guide fan is fixedly installed on the top surface of the sampling device, the top surface of the sampling device is provided with an air outlet, and the air outlet corresponds to the air guide fan.

Through above-mentioned technical scheme, the air enters into the sampling device inboard from the air inlet, exports the sampling device outside through the air guide fan in with the sampling device for the air forms the negative pressure in the sampling device inboard, makes gaseous circulation, thereby it is inboard to enter into the sampling device through the air inlet with the gas that contains the dust, and enters into and gathers the cover inboard.

Preferably, gather cover both ends and sampling device inner wall both ends fixed connection, and filter frame top surface embedding and gather cover bottom surface, gather to cover and filter and link up mutually between the frame.

Through above-mentioned technical scheme, fall into the filter frame inboard through entering into collection cover inboard and filter, the dust sample after depositing through nature falls into collection box inboard through the discharge gate, and concentrates the cover and can concentrate the dust sample of depositing naturally leading-in to collection box inboard, avoids the dust spill, concentrates on collection box inboard after whole deposits are accomplished, opens the chamber door and takes out the collection box and take out the sample to accomplish the sampling of dust.

Preferably, the concentration cover is adhered to the periphery of the filter frame, and the bottom surface of the concentration cover corresponds to the collection box.

Through above-mentioned technical scheme, before sampling, with the power plug grafting power of sampling device self-generation, start the control switch of air guide fan side to open the dust sampling, concentrate the cover and can directly fall into the collection box after filtering inboard, avoid the dust to spatter and fall into the collection box outside, cause and be difficult to wash.

Preferably, the limiting block is movably mounted on the top surface of the box door, the lock ring penetrates through the top surface of the limiting block, the lock penetrates through the fixing ring, and the fixing ring is fixedly mounted on the front surface of the sampling device.

Through the technical scheme, the fixing frame is arranged on the outer side of the limiting block, the limiting block is inserted into the inner side of the fixing frame from top to bottom, the limiting block is completely inserted into the inner side of the fixing frame, the bottom end of the limiting block extends to the front side of the box door, the limiting block can be fixed to the box door, the limiting block top surface is connected with the locking ring and the fixing ring, the limiting block can be connected, and the limiting block is prevented from being lost.

Preferably, the filter frame includes first filter screen, second filter screen, screw thread frame, feed inlet and discharge gate, first filter screen is installed in the inboard bottom of filter frame, the second filter screen is installed in first filter screen top surface, the screw thread frame is installed in the first filter screen outside, the screw thread frame feed inlet is seted up in the filter frame top surface, the discharge gate is seted up in the filter frame bottom surface, second filter screen embedding screw thread frame is inboard, and first filter screen embedding screw thread frame is inboard, threaded connection between screw thread frame and the filter screen, first filter screen is located the discharge gate top surface, concentrate the cover and be located the discharge gate both ends, the feed inlet runs through the collection cover bottom surface.

Through the technical scheme, second filter screen and first filter screen loop through the discharge gate and enter into the filter frame inboard, and it is whole through the thread tightening, will concentrate the cover after the installation again and paste fixedly along the filter frame periphery, the dust is through the filtration of first filter screen and second filter screen, concentrate through natural sedimentation and fall in the collection box inboard, and then concentrate the dust and collect, and when sampling device did not use, can dismantle first filter screen and second filter screen and get off and clear up, thereby improve the practicality of device.

Compared with the prior art, the utility model provides a dust sampling device possesses following beneficial effect:

1. the utility model discloses a second filter screen and first filter screen loop through the discharge gate and enter into the filter frame inboard, and all pass through the thread tightening, will concentrate the cover after the installation again and paste fixedly along the filter frame periphery, the dust is through the filtration of first filter screen and second filter screen, concentrate through natural sedimentation and fall on the collection box inboard, and then concentrate the dust and collect, and when sampling device did not use, can dismantle first filter screen and second filter screen and get off and clear up to improve device's practicality.

2. The utility model discloses a be provided with fixed frame in the outside of stopper, the stopper has from top to bottom to insert at fixed frame inboard, and the stopper inserts completely when fixed frame is inboard, and the stopper bottom will extend to the chamber door openly to reach the stopper and can fix the chamber door, and the stopper top surface is connecting catch and solid fixed ring, can connect the stopper, avoid the stopper to lose.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the sampling device of the present invention;

fig. 2 is a schematic view of the three-dimensional structure of the sampling device of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the door of the present invention;

fig. 4 is the utility model discloses filter frame split structure sketch map.

Wherein: 1. a sampling device; 2. an air inlet; 3. an air guide fan; 4. a collection box; 5. a collecting cover; 6. A concentration cover; 7. a box door; 8. a limiting block; 9. a locking ring; 10. a fixing ring; 11. a filter frame; 111. a first filter screen; 112. a second filter screen; 113. a threaded frame; 114. a feed inlet; 115. and (4) a discharge port.

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.

The first embodiment is as follows:

referring to fig. 1-3, a dust sampling device comprises a sampling device 1, wherein the sampling device 1 comprises an air inlet 2, an air guide fan 3, a collection box 4, a collection cover 5, a concentration cover 6, a box door 7, a limiting block 8, a locking ring 9, a fixing ring 10 and a filter frame 11;

the air inlet 2 is opened at two ends of the sampling device 1, the air guide fan 3 is installed on the top surface of the sampling device 1, the collection box 4 is installed on the inner side of the sampling device 1, the collection cover 5 is installed on the top end of the inner side of the sampling device 1, the concentration cover 6 is installed on the top surface of the sampling device 1, the box door 7 is installed on the front surface of the sampling device 1, the limiting block 8 is installed on the top surface of the box door 7, the locking ring 9 is installed on the top surface of the limiting block 8, the locking ring 9 is connected with the fixing ring 10, and the filter frame 11 is installed on the bottom surface of the collection cover 5.

Specifically, the air inlet 2 is opened at two ends of the sampling device 1, the air guide fan 3 is fixedly installed on the top surface of the sampling device 1, the top surface of the sampling device 1 is provided with an air outlet, and the air outlet corresponds to the air guide fan 3. The advantage is, the air enters into sampling device 1 inboard from air inlet 2, exports sampling device 1 outside through air guide fan 3 in with sampling device 1 for the air forms the negative pressure in sampling device 1 inboard, makes gaseous circulation, thereby will contain the gas of dust and enter into sampling device 1 inboard through air inlet 2, and enter into and gather cover 5 inboardly.

Specifically, the two ends of the collecting cover 5 are fixedly connected with the two ends of the inner wall of the sampling device 1, the top surface of the filter frame 11 is embedded into the bottom surface of the collecting cover 5, and the collecting cover 5 is communicated with the filter frame 11. The advantage is, fall into filter frame 11 inboard through entering into collection cover 5 inboard and filter, it is inboard to fall into collection box 4 through discharge gate 115 through the dust sample after depositing naturally, and concentrate cover 6 can concentrate the dust sample of depositing naturally leading-in to collection box 4 inboard, avoid the dust spill, concentrate on collection box 4 inboard after the completion of whole deposits, open chamber door 7 and take out collection box 4 and take a sample to accomplish the sampling of dust.

Specifically, the concentration cover 6 is adhered to the periphery of the filter frame 11, and the bottom surface of the concentration cover 6 corresponds to the collection box 4. The advantage is, before sampling, with the power plug grafting power of sampling device 1 self-generation, starts the control switch of 3 sides of air guide fan to open the dust sampling, concentrate cover 6 can directly fall into collection box 4 inboardly with the dust after filtering, avoid the dust to spatter and fall into collection box 4 outsides, cause and be difficult to wash.

Specifically, 8 movable mounting of stopper in 7 top surfaces of chamber door, catch 9 run through 8 top surfaces of stopper, and catch 9 runs through solid fixed ring 10, and solid fixed ring 10 fixed mounting is in sampling device 1 openly. The advantage is, is provided with fixed frame in the outside of stopper 8, and stopper 8 has from top to bottom to insert at fixed frame inboard, and the stopper inserts when fixed frame is inboard completely, and stopper 8 bottom will extend to chamber door 7 openly to reach the stopper and can fix chamber door 7, and stopper 8 top surface is connecting catch 9 and solid fixed ring 10, can connect stopper 8, avoids stopper 8 to lose.

The second embodiment:

referring to fig. 4, as an improvement of the previous embodiment, the filter frame 11 includes a first filter 111, a second filter 112, a thread frame 113, a feeding port 114 and a discharging port 115, the first filter 111 is installed at the bottom end of the inner side of the filter frame 11, the second filter 112 is installed at the top surface of the first filter 111, the thread frame 113 is installed at the outer side of the first filter 111, the feeding port 114 of the thread frame 113 is opened at the top surface of the filter frame 11, the discharging port 115 is opened at the bottom surface of the filter frame 11, the second filter 112 is embedded in the inner side of the thread frame 113, the first filter 111 is embedded in the inner side of the thread frame 113, the thread frame 113 is in threaded connection with the filter frame 11, the first filter 111 is located at the top surface of the discharging port 115, the concentrating hoods 6 are located at both ends of the discharging port 115, and the feeding port 114 penetrates through the bottom surface of the collecting hood 5. The advantage is, second filter screen 112 and first filter screen 111 loop through discharge gate 115 and enter into filter frame 11 inboardly, and it is all inboard through the thread tightening, will concentrate cover 6 after the installation again and paste fixedly along filter frame 11 periphery, the dust is through the filtration of first filter screen 111 and second filter screen 112, concentrate through natural sedimentation and fall in collection box 4 inboardly, and then concentrate the dust and collect, and when sampling device 1 did not use, can dismantle first filter screen 111 and second filter screen 112 and get off and clear up, thereby improve the practicality of device.

When using, the utility model discloses a second filter screen 112 and first filter screen 111 loop through discharge gate 115 and enter into filter frame 11 inboardly, and all pass through the thread tightening, it is fixed to paste along filter frame 11 periphery with concentrating cover 6 after the installation again, the dust is through the filtration of first filter screen 111 and second filter screen 112, concentrate through natural precipitation and fall in collection box 4 inboardly, and then concentrate the dust and collect, and sampling device 1 is not used, can dismantle first filter screen 111 and second filter screen 112 and clear up, thereby improve device's practicality, through being provided with fixed frame in the outside of stopper 8, stopper 8 has from top to bottom to insert at fixed frame inboardly, the stopper inserts when fixed frame is inboard completely, stopper 8 bottom will extend to chamber door 7 openly, thereby reach the stopper and can fix chamber door 7, and stopper 8 top surface is connecting 9 and solid fixed ring 10, can connect stopper 8, avoid stopper 8 to lose.

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

1. The utility model provides a dust sampling device, includes sampling device, its characterized in that: the sampling device comprises an air inlet, an air guide fan, a collecting box, a collecting cover, a concentrating cover, a box door, a limiting block, a locking ring, a fixing ring and a filter frame;

2. A dust sampling apparatus as claimed in claim 1, wherein: the air inlet is opened in sampling device both ends, air guide fan fixed mounting is in the sampling device top surface, the sampling device top surface is equipped with the gas outlet, and the gas outlet is corresponding with the air guide fan.

3. A dust sampling apparatus as claimed in claim 1, wherein: gather cover both ends and sampling device inner wall both ends fixed connection, and filter frame top surface embedding gathers cover bottom surface, gather to link up mutually between cover and the filter frame.

4. A dust sampling apparatus as claimed in claim 1, wherein: the concentrated cover is stuck on the periphery of the filter frame, and the bottom surface of the concentrated cover corresponds to the acquisition box.

5. A dust sampling apparatus as claimed in claim 1, wherein: the limiting block is movably installed on the top surface of the box door, the locking ring penetrates through the top surface of the limiting block, the lock penetrates through the fixing ring, and the fixing ring is fixedly installed on the front face of the sampling device.

6. A dust sampling apparatus as claimed in claim 1, wherein: the filter frame includes first filter screen, second filter screen, screw thread frame, feed inlet and discharge gate, first filter screen is installed in the inboard bottom of filter frame, the second filter screen is installed in first filter screen top surface, the screw thread frame is installed in the first filter screen outside, the screw thread frame feed inlet is seted up in the filter frame top surface, the discharge gate is seted up in the filter frame bottom surface, second filter screen embedding screw thread frame is inboard, and first filter screen embedding screw thread frame is inboard, threaded connection between screw thread frame and the filter screen, first filter screen is located the discharge gate top surface, concentrate the cover and be located the discharge gate both ends, the feed inlet runs through gathers the cover bottom surface.