CN215333485U

CN215333485U - PP fan for laboratory exhaust system

Info

Publication number: CN215333485U
Application number: CN202121429724.XU
Authority: CN
Inventors: 柏立培
Original assignee: Suzhou Onaway Experimental Equipment Co ltd
Current assignee: Suzhou Onaway Experimental Equipment Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-28
Anticipated expiration: 2031-06-25

Abstract

The utility model relates to the technical field of exhaust equipment, and discloses a PP (polypropylene) fan for a laboratory exhaust system, which comprises a pipe body A, wherein the fan is arranged in the pipe body A, the left side of the fan is fixedly connected with one end of a connecting pipe, the other end of the connecting pipe is fixedly connected with a pipe body B, the outer side wall of the pipe body B is clamped and connected with the inner side wall of a clamping groove, the clamping groove is formed in the outer wall of the right side of a clamping plate, the outer wall of the left side of the clamping plate is fixedly connected with one end of a rotating shaft, the other end of the rotating shaft is fixedly connected with a motor output shaft, and the outer wall of the opening end of the clamping groove is detachably connected with a clamping plate through a bolt A; the utility model has the advantages that the air inlet can be adjusted and used in multiple angles and multiple directions, sealing operation can be carried out in time when the air inlet is not used, and gas discharged from a laboratory can be filtered and purified in time, and the fan has simple structure and strong practicability, and is suitable for wide popularization and use.

Description

PP fan for laboratory exhaust system

Technical Field

The utility model belongs to the technical field of exhaust equipment, and particularly relates to a PP fan for an exhaust system of a laboratory.

Background

The PP fan is one of axial flow fans, and the axial flow fan is airflow in the same direction as the axis of the fan blade (i.e. the flow direction of the wind is parallel to the axis), for example, an electric fan, an air conditioner external fan is an axial flow type running fan; the axial flow fan is also called a local fan, is a fan commonly used by industrial and mining enterprises, is different from a common fan, has a motor and fan blades in a cylinder, has a cylindrical shape, is used for local ventilation, is convenient to install, has obvious ventilation and air exchange effects, is safe, and can be connected with the cylinder to send air to a designated area.

1. The PP fan for the laboratory exhaust system in the current market generally has the condition that the angle and the direction of an air inlet are always fixed, so that the PP fan is very inconvenient to exhaust at fixed points; 2. most PP fans for laboratory exhaust systems in the current market are not provided with sealing devices, so that the PP fans still exhaust air naturally when not in use, and experimental data of a laboratory are seriously influenced when some special experiments are carried out; 3. the PP fan for the laboratory exhaust system in the current market basically has no gas filtering function, so that harmful substances are easily doped in the exhaust gas of the PP fan to pollute the air; therefore, a PP fan for a laboratory exhaust system needs to be designed.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the PP fan for the laboratory exhaust system, and the problems in the current market are effectively solved.

In order to achieve the purpose, the utility model provides the following technical scheme: a PP fan for a laboratory exhaust system comprises a pipe body A, wherein a fan is arranged inside the pipe body A, the left side position of the fan is fixedly connected with one end of a connecting pipe, the other end of the connecting pipe is fixedly connected with a pipe body B, the outer side wall of the pipe body B is clamped and connected with the inner side wall of a clamping groove, the clamping groove is formed in the outer wall of the right side of the clamping plate, the outer wall of the left side of the clamping plate is fixedly connected with one end of a rotating shaft, the other end of the rotating shaft is fixedly connected with a motor output shaft, the outer wall of the opening end of the clamping groove is detachably connected with a clamping plate through a bolt A, the outer side wall of the port of the pipe body B is provided with a thread groove, the inner side wall of the thread groove is in threaded connection with a sealing cover, a filter pipe is arranged at the right side position of the fan, the upper surface of the filter pipe is provided with a slot, the inner side wall of the slot is inserted with an inserting plate, and the upper surface of the inserting plate is fixedly connected with a cover plate, the cover plate is detachably connected with the filter tube through a bolt B.

Preferably, the outer surface of the sealing cover is provided with a sliding groove, and the inner wall of the sliding groove is provided with a through hole.

Preferably, the inner side wall of the sliding groove is connected with a sliding plate in a sliding mode, and a handle is arranged on the outer surface of the sliding plate.

Preferably, the outer side wall of the inserting plate is fixedly connected with a filter screen, an activated carbon adsorbent is arranged on the inner side wall of the filter screen, and a filtering channel of the filter screen is of a broken line type or a spiral type.

Preferably, the connecting pipe is made of a hundred-fold pipe material and is positioned between the clamping plate and the clamping plate.

Preferably, the signal input ends of the motor and the fan are electrically connected with the signal output end of the external power supply.

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

1) during work, the pipe body B can be initially clamped with the clamping plate along the clamping groove, the clamping plate can be detachably connected with the clamping plate by rotating the bolt A, so that the pipe body B is fixed at the middle position of the clamping plate and the clamping plate, then the motor is switched on and controlled to operate, the rotating shaft is driven to rotate by the operation of the motor so as to drive the clamping plate to rotate, and further the pipe body B can be driven to rotate, meanwhile, the multi-angle rotation of the pipe body B is ensured under the action of the connecting pipe adopting a folding pipe material, the air inlet of the PP fan for the laboratory exhaust system can be effectively adjusted and used in multiple angles and multiple directions, and the problem that the PP fan for the laboratory exhaust system in the current market is inconvenient when fixed-point air exhaust is required due to the fact that the angle and the direction of the air inlet are always fixed is solved, the applicability of the PP fan is effectively improved.

2) In operation, thereby at first along the thread groove rotary seal lid can dismantle the connection between sealed lid and the body B port, thereby the rethread can drive the slide along the spout inner wall along holding tightly the handle and slide, and then can seal the through-hole open end, the effectual PP fan for this laboratory exhaust system that has realized can in time seal the operation when not using, the laboratory exhaust system PP fan on the existing market has been solved because mostly does not have sealing device, thereby lead to the PP fan still at the problem of naturally airing exhaust when not using, the experimental data who influences the laboratory has been avoided.

3) In the work, firstly, the plugboard is inserted along the slot so as to be capable of preliminarily clamping the plugboard and the cover board with the filter tube, then the cover board and the filter tube can be detachably connected through the rotary bolt B, then the gas flowing out of the tube body A through the operation of the fan can be filtered under the action of the filter screen arranged on the outer side wall of the plugboard and the active carbon adsorbent, meanwhile, the filtering efficiency of the filter screen is also ensured under the action of the fold line type or the spiral type of the filtering channel of the filter screen, the PP fan for the laboratory exhaust system can effectively filter and purify the gas exhausted from a laboratory, the filter screen is convenient to detach and install, and the problem that the discharged gas of the PP fan is easily doped with harmful substances to pollute the air due to the fact that the PP fan for the laboratory exhaust system in the current market basically does not have the gas filtering function is solved, the environmental protection performance of the PP fan is effectively improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a card board structure of the present invention;

FIG. 3 is a schematic view of the sealing cap of the present invention;

FIG. 4 is a schematic view of the structure of the interposer of the present invention;

FIG. 5 is a schematic view of a connecting tube according to the present invention;

in the figure: 1. a pipe body A; 2. a bolt A; 3. a pipe body B; 4. a sealing cover; 5. a thread groove; 6. clamping a plate; 7. a connecting pipe; 8. a fan; 9. a filter tube; 10. a cover plate; 11. a bolt B; 12. a slot; 13. Filtering with a screen; 14. inserting plates; 15. a motor; 16. a rotating shaft; 17. a card slot; 18. a splint; 19. a through hole; 20. a chute; 21. a slide plate; 22. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In a first embodiment, as shown in fig. 1 to 5, the PP blower for a laboratory exhaust system of the present invention includes a tube body a1, a blower 8 is disposed inside the tube body a1, a left side of the blower 8 is fixedly connected with one end of a connecting tube 7, another end of the connecting tube 7 is fixedly connected with a tube body B3, an outer side wall of the tube body B3 is connected with an inner side wall of a clamping groove 17 in a clamping manner, the clamping groove 17 is disposed on an outer side wall of a right side of the clamping plate 6, an outer side wall of a left side of the clamping plate 6 is fixedly connected with one end of a rotating shaft 16, another end of the rotating shaft 16 is fixedly connected with an output shaft of a motor 15, an outer wall of an opening end of the clamping groove 17 is detachably connected with a clamping plate 18 through a bolt a2, a threaded groove 5 is disposed on an outer side wall of a port of the tube body B3, a sealing cover 4 is connected with an inner side wall of the threaded groove 5 in a threaded manner, a filter tube 9 is disposed on a position of the right side of the blower 8, and an upper surface of the filter tube 9 is disposed with a slot 12, and the picture peg 14 has been pegged graft to the slot 12 inside wall, fixed surface is connected with apron 10 on the picture peg 14, can dismantle the connection through bolt B11 between apron 10 and the chimney filter 9, thereby rotate through motor 15 operation drive pivot 16 and can drive cardboard 6 and rotate, and then can drive body B3 and rotate, and meanwhile adopted one hundred tubular product matter effects at connecting pipe 7 and ensured that body B3 can multi-angle rotation, the effectual air intake that has realized this PP fan for laboratory exhaust system can carry out multi-angle and multi-direction regulation and use.

Referring to fig. 1 and 3, the sealing cover 4 is provided with a sliding groove 20 on an outer surface thereof, and a through hole 19 is formed on an inner wall of the sliding groove 20, so that the sealing cover 4 can be detachably coupled to the port of the pipe body B3 by rotating the sealing cover 4 along the screw groove 5.

Referring to fig. 1 and 3, the sliding plate 21 is connected to the inner side wall of the sliding groove 20 in a sliding manner, the handle 22 is arranged on the outer surface of the sliding plate 21, the sliding plate 21 can be driven to slide along the inner wall of the sliding groove 20 by holding the handle 22 tightly, the opening end of the through hole 19 can be sealed, the PP fan for the laboratory exhaust system can be effectively sealed when not in use, and the experimental data of a laboratory are prevented from being influenced.

Referring to fig. 1 and 4, the outer side wall of the insert plate 14 is fixedly connected with a filter screen 13, the inner side wall of the filter screen 13 is provided with an activated carbon adsorbent, a filtering channel of the filter screen 13 is of a broken line type or a spiral type, and the filter screen 13 and the activated carbon adsorbent arranged on the outer side wall of the insert plate 14 can filter gas flowing out of the pipe body a1 through the operation of the fan 8.

Referring to fig. 1 and 5, the connecting pipe 7 is made of a pleated pipe material, and the connecting pipe 7 is located between the clamping plate 6 and the clamping plate 18, so that the pipe body B3 can rotate at multiple angles under the action of the pleated pipe material of the connecting pipe 7.

Referring to fig. 1 and 2, the signal input ends of the motor 15 and the fan 8 are electrically connected with the signal output end of the external power supply, and the power supply is switched on and the external control switch is controlled, so that the on-off and operation of the circuits of the motor 15 and the fan 8 can be controlled, and the control is convenient and fast and the safety is excellent.

The working principle is as follows: when the device works, firstly, the pipe body B3 and the clamping plate 6 can be preliminarily clamped along the clamping groove 17, then the clamping plate 6 and the clamping plate 18 can be detachably connected through the rotating bolt A2, so that the pipe body B3 is fixed at the middle position of the clamping plate 6 and the clamping plate 18, then the operation of the motor 15 is switched on, the rotating shaft 16 is driven by the operation of the motor 15 to rotate so as to drive the clamping plate 6 to rotate, and further the pipe body B3 can be driven to rotate, meanwhile, the pipe body B3 can be ensured to rotate at multiple angles under the action of the pipe material adopted by the connecting pipe 7, the air inlet of the PP fan for the laboratory exhaust system can be effectively adjusted and used at multiple angles and multiple directions, then, the sealing cover 4 can be detachably connected with the port of the pipe body B3 by rotating the sealing cover 4 along the thread groove 5, and then the sliding plate 21 can be driven to slide along the inner wall of the sliding groove 20 by tightly holding the handle 22, further, the opening end of the through hole 19 can be sealed, the PP fan for the laboratory exhaust system can effectively seal in time when not in use, the experimental data of a laboratory are prevented from being influenced, then the insert plate 14 is inserted along the slot 12 so as to carry out primary clamping between the insert plate 14 and the cover plate 10 and the filter tube 9, then the bolt B11 is rotated so as to detachably connect the cover plate 10 and the filter tube 9, finally, the gas flowing out of the tube body A1 by the operation of the fan 8 can be filtered under the action of the filter screen 13 arranged on the outer side wall of the insert plate 14 and the activated carbon adsorbent, meanwhile, the filtering efficiency of the filter screen 13 is also guaranteed under the action that the filtering channel of the filter screen 13 is of a broken line type or a spiral type, and the PP fan for the laboratory exhaust system can filter and purify gas discharged from a laboratory in time.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PP fan for laboratory exhaust system, includes body A (1), its characterized in that: a fan (8) is arranged in the pipe body A (1), one end of a connecting pipe (7) is fixedly connected to the left side of the fan (8), the other end of the connecting pipe (7) is fixedly connected with the pipe body B (3), the outer side wall of the pipe body B (3) is connected with the inner side wall of a clamping groove (17) in a clamping manner, the clamping groove (17) is formed in the outer wall of the right side of a clamping plate (6), one end of a rotating shaft (16) is fixedly connected to the outer wall of the left side of the clamping plate (6), the other end of the rotating shaft (16) is fixedly connected with an output shaft of a motor (15), the outer wall of the opening end of the clamping groove (17) is detachably connected with a clamping plate (18) through a bolt A (2), a thread groove (5) is formed in the outer side wall of the port of the pipe body B (3), a sealing cover (4) is connected to the inner side wall of the thread groove (5), and a filter pipe (9) is arranged at the position of the fan (8), and a slot (12) is formed in the upper surface of the filter tube (9), an inserting plate (14) is inserted into the inner side wall of the slot (12), a cover plate (10) is fixedly connected to the upper surface of the inserting plate (14), and the cover plate (10) is detachably connected with the filter tube (9) through a bolt B (11).

2. The PP blower for the laboratory exhaust system according to claim 1, wherein: the outer surface of the sealing cover (4) is provided with a sliding groove (20), and the inner wall of the sliding groove (20) is provided with a through hole (19).

3. The PP blower for the laboratory exhaust system according to claim 2, wherein: the inside wall of the sliding groove (20) is connected with a sliding plate (21) in a sliding mode, and a handle (22) is arranged on the outer surface of the sliding plate (21).

4. The PP blower for the laboratory exhaust system according to claim 1, wherein: the picture peg (14) lateral wall fixedly connected with filter screen (13), just filter screen (13) inside wall is provided with the active carbon adsorbent, and the filtration passageway of filter screen (13) is broken line type or screw-tupe.

5. The PP blower for the laboratory exhaust system according to claim 1, wherein: the connecting pipe (7) is made of a hundred-fold pipe material, and the connecting pipe (7) is located in the middle of the clamping plate (6) and the clamping plate (18).

6. The PP blower for the laboratory exhaust system according to claim 1, wherein: and the signal input ends of the motor (15) and the fan (8) are electrically connected with the signal output end of the external power supply.