CN218994885U - Dust sampling device - Google Patents

Abstract

The utility model relates to the technical field of dust collection, in particular to a dust sampling device, wherein a collection tank and a rear cover are fixed through screws, a plurality of fixing blocks are arranged on the inner wall of a collection cavity, a filter plate is arranged in the collection cavity, a reinforcing ring is arranged on the periphery of the filter plate, a sealing ring is arranged on the outer wall of the reinforcing ring, the rear cover is detached from the collection tank, then a pulling force is provided for the reinforcing ring through a handle, when the pulling force overcomes the friction force of the sealing ring, the reinforcing ring is pulled out of the collection cavity, at the moment, the reinforcing ring is separated from the fixing blocks, the filter plate and the inner wall of the collection cavity can be flushed, the screw fixing structure is simple, the operation is convenient, the filter plate and the inner wall of the collection cavity can be cleaned in time, and therefore the accuracy of dust materials in detection is improved, and the practicability is high.

Description

Dust sampling device

Technical Field

The utility model relates to the technical field of dust collection, in particular to a dust sampling device.

Background

Occupational health is one of the major areas of safety and scientific research, and is generally understood to refer to conditions and factors affecting the safety and health of employees, casual workers, contractors, foreign personnel and other personnel in a work place, including the dust factor that is diffused in the air in a work environment. The influence of dust in the air on staff in a working environment is researched, the dust in the air needs to be sampled, and then the dust content in the air is detected to make a corresponding treatment scheme.

The traditional dust sampling device can adhere to one deck material on its inner wall under long-term use, can not in time clear up it, can influence the degree of accuracy when dust detects, and the practicality is low.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a dust sampling device.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dust sampling device, includes the collection tank, the inside of collection tank is equipped with the collection chamber, the upper end of collection tank is equipped with the handle, the front end of collection tank is equipped with registration tube and adapter, cooperate through the helicitic texture between registration tube and the adapter, the rear end of collection tank is equipped with back lid, through screw fixation between collection tank and the back lid, be equipped with a plurality of fixed blocks on the inner wall of collection chamber, the inside of collection chamber is equipped with the filter, the week side of filter is equipped with the strengthening ring, the one side contact fixed block of strengthening ring, be equipped with the sealing ring on the outer wall of strengthening ring, the sealing ring bonds on the outer wall of strengthening ring, the another side of strengthening ring is equipped with the handle, back is covered and is equipped with control box and a plurality of exhaust hole, the outside at the back lid is fixed to the control box, the inside of control box is equipped with control module and motor, the inside of back lid is equipped with the flabellum that induced drafts, the output of motor is equipped with the transmission shaft that runs through back lid and connect the flabellum.

In order to improve the practicability of the structure, the utility model is improved in that the outer wall of the collecting tank is provided with an observation window.

In order to enable the filter plate to be firmer in the collecting cavity, the utility model is improved in that a positioning groove is formed in the fixing block, a clamping groove is formed in the inner wall of the positioning groove, a plurality of positioning blocks are arranged on one surface, close to the fixing block, of the reinforcing ring, a side groove is formed in one side of each positioning block, a spring is arranged in the side groove, one end of the spring is fixed in the side groove, a clamping block is arranged at the other end of the spring, the positioning blocks are inserted into the positioning groove, the clamping blocks are mutually matched with the clamping groove, and the clamping blocks are of a trapezoid structure.

(III) beneficial effects

Compared with the prior art, the utility model provides a dust sampling device, which has the following beneficial effects:

this dust sampling device loosens the screw, with back lid and collection tank split, then provide a pulling force with the reinforcing ring through the handle, when the frictional force of sealing ring is overcome to the pulling force, can take out the reinforcing ring in the inside of collecting the chamber, the reinforcing ring can break away from the fixed block this moment, just can wash away the inner wall of filter and collecting the chamber at this moment, and the structure of screw fixation is simpler, convenient operation, be convenient for in time clear up the inner wall of filter and collecting the chamber, thereby improved the degree of accuracy of dust material when detecting, the practicality is high;

through the mutually supporting of locating piece and constant head tank, can provide a location structure for between stiffener ring and the fixed block, improved the stability of filter in collecting the intracavity portion, after the constant head tank is inserted to the constant head tank in the location piece, through the mutually supporting of fixture block and draw-in groove, can provide a spacing effect at the inside of constant head tank for the location piece, further improved the stability of filter when using.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure of the present utility model at A in FIG. 1;

FIG. 3 is a schematic view showing the internal structure of the collecting chamber in FIG. 1 according to the present utility model;

in the figure: 1. a collection tank; 2. a positioning tube; 3. an adapter; 4. a rear cover; 5. a handle; 6. an observation window; 7. a reinforcing ring; 8. a filter plate; 9. a handle; 10. a control box; 11. a positioning block; 12. a clamping block; 13. a side groove; 14. an exhaust hole; 15. a fixed block; 16. a positioning groove; 17. a collection chamber.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the dust sampling device of the present utility model comprises a collecting tank 1, a collecting cavity 17 is provided in the collecting tank 1, a handle 5 is provided at the upper end of the collecting tank 1, a positioning tube 2 and an adapter 3 are provided at the front end of the collecting tank 1, the positioning tube 2 is matched with the adapter 3 through a screw structure, a rear cover 4 is provided at the rear end of the collecting tank 1, the collecting tank 1 and the rear cover 4 are fixed by screws, a plurality of fixing blocks 15 are provided on the inner wall of the collecting cavity 17, a filter plate 8 is provided in the collecting cavity 17, a reinforcing ring 7 is provided on the periphery of the filter plate 8, one surface of the reinforcing ring 7 contacts with the fixing blocks 15, a sealing ring is provided on the outer wall of the reinforcing ring 7, the sealing ring is adhered on the outer wall of the reinforcing ring 7, a handle 9 is provided on the other surface of the reinforcing ring 7, the utility model discloses a dust collection device, which is characterized in that a control box 10 and a plurality of exhaust holes 14 are arranged on a rear cover 4, the control box 10 is fixed outside the rear cover 4, a control module and a motor are arranged inside the control box 10, an air suction fan blade is arranged inside the rear cover 4, a transmission shaft penetrating through the rear cover 4 and connected with the air suction fan blade is arranged at the output end of the motor, a control button is arranged on the shell of the control box 10, the control module comprises a regulator and an independent power supply, the control button, the control module and the motor are in butt joint through electric signals in sequence, the motor can drive the air suction fan blade to rotate inside the rear cover 4 through the transmission shaft, when the dust collection device is in use, the adapter 3 is placed inside a dust collection tank 1 to generate vacuum during forward rotation, and at the moment, dust materials in the dust collection tank can enter the collection cavity 17 through the adapter 3 by a positioning pipe 2, the gas can be discharged through the exhaust hole 14 through the blocking effect of the filter plate 8 and can be conveniently taken out of the collecting cavity 17 through the handle 5 arranged in the process, the sampled dust material can be conveniently taken out of the collecting cavity 1 through the collecting cavity 1, when the dust material in the collecting cavity 17 needs to be taken out, the dust material can be poured out of the adapter 3, the structure is simple, the operation is convenient, after a period of time, when the inner wall of the collecting cavity 17 needs to be cleaned, the screw is loosened, the rear cover 4 is detached from the collecting cavity 1, then a pulling force is provided for the reinforcing ring 7 through the handle 9, when the pulling force overcomes the friction force of the sealing ring, the reinforcing ring 7 can be pulled out of the collecting cavity 17, at the moment, the reinforcing ring 7 can be separated from the fixed block 15, at the moment, the filter plate 8 and the inner wall of the collecting cavity 17 can be conveniently and timely cleaned by the screw, and therefore the accuracy of dust material in detection is improved, and the practicability is high;

the motor control technology is mature, the motor can rotate positively and reversely, so that excessive description is not needed for a motor control circuit, when the motor rotates positively, the suction fan blades rotate positively, the dust material is sucked by the structure, when the motor rotates reversely, the suction fan blades rotate reversely, the dust material in the collecting cavity 17 is blown out, and the sealing performance of the reinforcing ring 7 can be ensured through the sealing ring.

In this structure, be equipped with observation window 6 on the outer wall of collection jar 1, through the observation window 6 that is equipped with, can be convenient for see through collection jar 1 and observe the condition of collecting the inside dust material of chamber 17, when needs change adapter 3, through the effect of helicitic texture, take off adapter 3 on positioning tube 2 can.

This structure is when using, lacks location structure between strengthening ring 7 and the fixed block 15, can influence the stability of filter 8 in collecting the intracavity 17, the inside of fixed block 15 is equipped with constant head tank 16, be equipped with the draw-in groove on the inner wall of constant head tank 16, the one side that strengthening ring 7 is close to the fixed block 15 is equipped with a plurality of locating pieces 11, one side of locating piece 11 is equipped with side groove 13, the inside of side groove 13 is equipped with the spring, the one end of spring is fixed in the inside of side groove 13, the other end of spring is equipped with fixture block 12, locating piece 11 inserts the inside of constant head tank 16, fixture block 12 and draw-in groove mutually support, fixture block 12 is trapezium structure, can provide a location structure for between strengthening ring 7 and the fixed block 15 through the cooperation of locating piece 11 and the constant head tank 16, has improved the stability of filter 8 in collecting the intracavity 17, and after the inside of constant head tank 16 is inserted to the locating piece 11, the spring can provide an elasticity for fixture block 12, through the cooperation of fixture block 12 and draw-in groove, can provide a function in the inside of locating piece 16 at the inside of constant head tank 11, make the location piece 11 can be more firm in the inside of locating piece 16, and the spring can be in the position 9 when the inside of location groove 16, can make the location piece 16 more firm in the compression of the spring.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a dust sampling device, includes collection tank (1), the inside of collection tank (1) is equipped with collection chamber (17), the upper end of collection tank (1) is equipped with handle (5), the front end of collection tank (1) is equipped with registration arm (2) and adapter (3), cooperate through screw structure between registration arm (2) and adapter (3), the rear end of collection tank (1) is equipped with back lid (4), its characterized in that: the utility model discloses a collection tank, including collection tank (1), back lid (4), collection chamber (17) are equipped with a plurality of fixed blocks (15) on the inner wall of collection chamber (17), the inside of collection chamber (17) is equipped with filter (8), the week side of filter (8) is equipped with stiffener ring (7), the one side contact fixed block (15) of stiffener ring (7), be equipped with the sealing ring on the outer wall of stiffener ring (7), the sealing ring bonds on the outer wall of stiffener ring (7), the another side of stiffener ring (7) is equipped with handle (9), be equipped with control box (10) and a plurality of exhaust hole (14) on back lid (4), the outside at back lid (4) is fixed to control box (10), the inside of control box (10) is equipped with control module and motor, the inside of back lid (4) is equipped with induced draft the flabellum, the output of motor is equipped with the transmission shaft that runs through back lid (4) and connects the flabellum.

2. A dust sampling device according to claim 1, wherein: an observation window (6) is arranged on the outer wall of the collecting tank (1).

3. A dust sampling device according to claim 2, characterized in that: the inside of fixed block (15) is equipped with constant head tank (16), be equipped with the draw-in groove on the inner wall of constant head tank (16), the one side that stiffening ring (7) are close to fixed block (15) is equipped with a plurality of locating pieces (11), one side of locating piece (11) is equipped with side groove (13), the inside of side groove (13) is equipped with the spring, the inside at side groove (13) is fixed to the one end of spring, the other end of spring is equipped with fixture block (12), the inside of constant head tank (16) is inserted to locating piece (11), fixture block (12) mutually support with the draw-in groove.

4. A dust sampling device according to claim 3, wherein: the clamping block (12) is of a trapezoid structure.

Images