CN217819909U

CN217819909U - Dust particle counter

Info

Publication number: CN217819909U
Application number: CN202221354672.9U
Authority: CN
Inventors: 徐兆栋
Original assignee: Guangdong Jun Qi Pharmaceutical Technology Co ltd
Current assignee: Guangdong Jun Qi Pharmaceutical Technology Co ltd
Priority date: 2022-06-01
Filing date: 2022-06-01
Publication date: 2022-11-15
Anticipated expiration: 2032-06-01

Abstract

The utility model discloses a dust particle counter, comprising a base plate, bottom plate top one side is provided with dust particle counter body, and bottom plate top opposite side surface has seted up the rotation groove, it is connected with the magnet piece to rotate inslot bottom veneer, and rotates the inslot rotation and be provided with the turning block, the turning block is at rotation inslot elevating movement, and the turning block top runs through the rotation groove and passes through screw installation fixed plate, column mouting dust particle sampling head is passed through at the fixed plate top. The utility model relates to a dust particle counter, stand receive upwards do all can the back, can make the turning block break away from the magnet piece, and at this moment, the stand can rotate to make the sampling angle of dust particle sampling head accord with the detection demand, then, stop exerting force to the stand, thereby make the stand descend the contact magnet piece under the effect of gravity, and then make the magnet piece adsorb the stand fixedly, in order to fix dust particle sampling head, be fit for being extensively promoted and used.

Description

Dust particle counter

Technical Field

The utility model relates to an air quality testing technical field, in particular to dust particle counter.

Background

The dust particle counter is an instrument for measuring the number and the particle size distribution of total dust particles in air, is widely applied to industries such as medicine, electronics, precision machinery, color tube manufacturing, microorganisms and the like, and realizes monitoring of the purification effect and the purification grade of workbenches, purification rooms and purification workshops with various cleaning grades so as to ensure the quality of products.

Patent application No. 201820281566.X discloses a dust particle counter, the gaseous of sample thief sampling lets in to gas buffering incasement at first, can measure the gaseous pressure of sampling through the pressure differential sensor who sets up in gas buffering incasement, when pressure differential sensor measures the gaseous pressure of sampling and has surpassed the gaseous pressure of preset's sampling, the controller can reduce the gas flow who enters into to gas buffering incasement through adjusting pressure regulating valve, and open discharge valve, discharge the high-pressure gas part in the gas buffering incasement, reduce the gas pressure in the gas buffering incasement, prevent that the gas pressure in the gas buffering incasement is too high and cause the damage to dust particle counter.

However, after the sampling head rotating mechanism of the dust particle counter rotates, the rotating mechanism needs to be fixed by a fastening part, so that the rotating mechanism part of the sampling head is complex, the operation is complicated, and the use convenience is poor.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a dust particle counter, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a dust particle counter comprises a bottom plate, wherein a dust particle counter body is arranged on one side of the top of the bottom plate, a rotating groove is formed in the surface of the other side of the top of the bottom plate, a magnet block is connected to the bottom in the rotating groove in a gluing mode, a rotating block is arranged in the rotating groove in a rotating mode, the rotating block moves up and down in the rotating groove, a fixing plate penetrates through the rotating groove in the top of the rotating block, a dust particle sampling head is arranged on the top of the fixing plate through a stand column; the turning block has certain elevating movement space in rotating the inslot, so it can break away from the magnet piece to the personnel of being convenient for rotate dust particle sampling head through the turning block, moreover, after rotating, the turning block can be because of gravity contact magnet piece, thereby makes the magnet piece can adsorb fixed turning block, with the sampling angle with dust particle sampling head fixed.

Furthermore, a cable is wound on one side of the upright post, a protective pipe is wound on one end of the cable, an exhaust fan is arranged on one side in the protective pipe, a damping rotating shaft is mounted on the surface of the top of one side of the protective pipe through a reserved groove, and a rotating end of the damping rotating shaft is mounted on a cover plate covering the protective pipe through a screw; the apron just can select whether to cover the protective tube through rotating through the damping pivot.

Further, the bottom of the fixing plate is connected with a rubber pad in a gluing mode.

Furthermore, fixing threaded holes are formed in corners of the top surface of the bottom plate.

Furthermore, a positioning block is arranged in the protection pipe and is positioned on the side edge of the exhaust fan far away from the cover plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. after the stand received upward power, can be so that the turning block breaks away from the magnet piece, at this moment, the stand can rotate, thereby make the sampling angle of dust particle sampling head accord with the detection demand, then, stop exerting force to the stand, thereby make the stand descend the contact magnet piece under the effect of gravity, and then make the magnet piece adsorb the stand fixed, with fixed dust particle sampling head, the slewing mechanism part simple structure of this counter sampling head need not to use extra fastening part to fix, thereby the personnel of being convenient for use.

2. The protective tube suit can play the guard action to dust particle sampling head after dust particle sampling head is peripheral to, personnel can open the apron, and make exhaust fan work, thereby make exhaust fan outwards blow, and then clear up the dust of dust particle sampling head surface adhesion.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the dust particle counter according to the present invention.

FIG. 2 is a schematic cross-sectional view of a bottom plate of the dust particle counter according to the present invention.

FIG. 3 is a schematic cross-sectional view of a protection tube of the dust particle counter according to the present invention.

In the figure: 1. fixing the threaded hole; 2. a base plate; 3. a dust particle counter body; 4. a fixing plate; 5. a column; 6. a dust particle sampling head; 7. a cable; 8. a protective tube; 9. a cover plate; 10. a magnet block; 11. a damping rotating shaft; 12. positioning a block; 13. an exhaust fan; 14. a rubber pad; 15. a rotating groove; 16. and (6) rotating the block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a dust particle counter comprises a bottom plate 2, wherein a dust particle counter body 3 is arranged on one side of the top of the bottom plate 2, a rotating groove 15 is formed in the other side surface of the top of the bottom plate 2, a magnet block 10 is connected to the bottom of the rotating groove 15 in a gluing mode, a rotating block 16 is arranged in the rotating groove 15 in a rotating mode, the rotating block 16 moves up and down in the rotating groove 15, the top of the rotating block 16 penetrates through the rotating groove 15 and is provided with a fixing plate 4 through screws, and a dust particle sampling head 6 is arranged on the top of the fixing plate 4 through a stand column 5.

Wherein, the winding of 5 one sides of stand has hawser 7, and 7 one end windings of hawser have protective pipe 8, one side is provided with exhaust fan 13 in the protective pipe 8, damping pivot 11 is installed through the preformed groove to 8 one side top surfaces of protective pipe, and the rotation end of damping pivot 11 covers the apron 9 of protective pipe 8 through the screw installation.

In this embodiment, as shown in fig. 1 and 2, after the protection tube 8 is sleeved on the periphery of the dust particle sampling head 6, a certain gap exists between the connection parts of the protection tube and the dust particle sampling head, so that when the exhaust fan 13 works, external air can be sucked into the protection tube 8 through the gap by the exhaust fan 13 and then discharged out of the protection tube 8, and thus, dust adhered to the surface of the end part of the dust particle sampling head 6 can be discharged out along with the air.

Wherein, the bottom of the fixing plate 4 is connected with a rubber pad 14 by gluing.

In this embodiment, as shown in fig. 2, the rubber pad 14 has good deformation capability and can be sufficiently attached to the bottom plate 1, so as to close the rotating groove 15.

And fixing threaded holes 1 are formed in corners of the top surface of the bottom plate 2.

In this embodiment, as shown in fig. 1, a person can fix the bottom plate 2 at a specific position through the fixing threaded hole 1.

Wherein, a positioning block 12 is arranged in the protection pipe 8, and the positioning block 12 is positioned at the side edge of the exhaust fan 13 far away from the cover plate 9.

In this embodiment, as shown in fig. 3, when the protection tube 8 is sleeved on the periphery of the dust particle sampling head 6, the positioning block 12 can prevent the dust particle sampling head 6 from directly contacting the exhaust fan 13, so as to protect the exhaust fan.

It should be noted that, the utility model relates to a dust particle counter, in operation, personnel can fix this counter in the assigned position, subsequently, personnel can connect outside power supply unit with the electrical apparatus of this counter, on next step, when using, personnel can take off protective tube 8 from dust particle sampling head 6, subsequently, personnel can exert certain power of making progress to stand 5, thereby make turning block 16 break away from magnet piece 10, at this moment, personnel can rotate stand 5, thereby make dust particle sampling head 6's sampling angle accord with the detection demand, then, personnel can stop exerting force to stand 5, thereby make stand 5 descend contact magnet piece 10 under the effect of gravity, and then make magnet piece 10 adsorb fixed with stand 5, so as to fix dust particle sampling head 6, on next step, personnel can make dust particle counter body 3 work, thereby carry out dust particle's detection operation, and after detecting, personnel can with protective tube 8 suits of protective tube at 6 periphery, thereby play the protective effect to dust particle sampling head 6, and, personnel can open apron 9, and make exhaust fan 13 work, thereby make dust particle cleaning dust particle adhesion to the dust particle sampling head 13, thereby make exhaust fan work, exhaust fan 13 is carried out dust particle adhesion.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A dust particle counter comprising a base plate (2), characterized in that: bottom plate (2) top one side is provided with dust particle counter body (3), and bottom plate (2) top opposite side surface has seted up and has rotated groove (15), bottom veneer is connected with magnet piece (10) in rotation groove (15), and rotates groove (15) internal rotation and be provided with turning block (16), turning block (16) elevating movement in rotation groove (15), and turning block (16) top runs through and rotates groove (15) and pass through screw installation fixed plate (4), fixed plate (4) top is passed through stand (5) installation dust particle sampling head (6).

2. A dust particle counter according to claim 1, wherein: stand (5) one side winding has hawser (7), and hawser (7) one end winding has protecting tube (8), one side is provided with exhaust fan (13) in protecting tube (8), damping pivot (11) are installed through the preformed groove to protecting tube (8) one side top surface, and the rotation end of damping pivot (11) covers apron (9) of protecting tube (8) through the screw installation.

3. A dust particle counter according to claim 1, wherein: the bottom of the fixing plate (4) is connected with a rubber pad (14) in a gluing way.

4. A dust particle counter according to claim 1, wherein: and fixing threaded holes (1) are formed in corners of the top surface of the bottom plate (2).

5. A dust particle counter according to claim 2, wherein: a positioning block (12) is arranged in the protection pipe (8), and the positioning block (12) is located on the side edge, away from the cover plate (9), of the exhaust fan (13).