CN216409227U

CN216409227U - Suspension type high-efficiency filtering laminar flow hood

Info

Publication number: CN216409227U
Application number: CN202122028027.XU
Authority: CN
Inventors: 张国华; 蒋建良
Original assignee: Jiangsu Airtc Purification Technology Co ltd
Current assignee: Jiangsu Airtc Purification Technology Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-04-29
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a suspended ceiling type efficient filtering laminar flow hood in the technical field of filtering laminar flow hoods, which comprises a base assembly, wherein the base assembly comprises a laminar flow hood body, the top of a mounting groove is communicated with a trapezoidal guide cavity, and the top of the guide cavity is communicated with an assembly cavity; the filter assembly comprises a filter structure matched with the installation groove, a first driving device is fixed on the inner wall of the top of the air guide cavity, and an exhaust fan blade is arranged on a rotating rod at the output end of the first driving device. The first driving device enables the first exhaust fan blade to work, so that outside air is processed by the filtering structure and the ultraviolet lamp from bottom to top, damage to the first driving device and the first exhaust fan blade is effectively reduced, meanwhile, when the first driving device enables the first exhaust fan blade to work, the auxiliary rod drives the rotating shaft to rotate through the chain wheel transmission set, the turbulence effect on air flowing upwards is achieved through the turbulence blades, and the air purification quality of the ultraviolet lamp on air is improved.

Description

Suspension type high-efficiency filtering laminar flow hood

Technical Field

The utility model relates to the technical field of filter layer flow hoods, in particular to a ceiling type efficient filter layer flow hood.

Background

Laminar flow hoods are one of the devices that can shield operators from the product and their main purpose is to avoid product contamination.

At present, the "a ceiling type high efficiency filtering laminar flow hood" proposed in publication "CN 212962063U" suggests that "the path of the air sucked by the ventilation opening and jetted by the air is directly aligned with the ultraviolet lamp" has the following defects in use: this patent is direct through the motor, derailleur and flabellum make the air intake air installation shell back handle through ultraviolet lamp and high-efficient filter layer again, this in-process that just leads to the air admission to flow has most dust impurity etc. to remain at the flabellum, motor and derailleur department, the flabellum has been reduced, the life and the quality of use of motor and derailleur, current suspension type high-efficient filtration laminar flow cover generally fixes in higher department simultaneously, when needing regularly to handle inside filtration, need the user of service to ascend a height with the help of external appurtenance etc. and maintain, the safety in utilization is lower when comparatively troublesome. To this end, we propose a ceiling type high efficiency filter laminar flow hood.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a ceiling-suspended high-efficiency laminar flow hood to solve the above-mentioned problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a suspended ceiling type high-efficiency filter laminar flow hood comprises,

the base assembly comprises a laminar flow hood body, mounting plates are fixed on the periphery of the top of the laminar flow hood body, a rectangular mounting groove is formed in the bottom of an inner cavity of the laminar flow hood body, a trapezoidal guide cavity is communicated with the top of the mounting groove, an assembly cavity is communicated with the top of the guide cavity, an air guide cavity is communicated with the top of the assembly cavity, and an arc-shaped vent communicated with the air guide cavity is formed in the center of the top of the laminar flow hood body;

the air guide cavity is arranged in the air guide cavity, the filter assembly comprises a filter structure matched with the installation groove, a first driving device is fixed on the inner wall of the top of the air guide cavity, an exhaust fan blade is arranged on a rotating rod at the output end of the first driving device, and longitudinal ultraviolet lamps are symmetrically arranged on the inner walls of two sides of the assembly cavity.

Furthermore, a rectangular cavity is formed in the laminar flow hood body and above the right side of the assembly cavity, an auxiliary rod is inserted into the rectangular cavity in an up-and-down rotating mode, the auxiliary rod is in transmission connection with a rotating rod at one output end of the driving device through a chain wheel transmission set, and a movable opening matched with the chain wheel transmission set is formed in the inner wall of the right side of the air guide cavity.

Furthermore, the bottom of the outer wall of the auxiliary rod is movably sleeved with a fixed shell, the fixed shell is fixed to the top of the inner wall on the right side of the air guide cavity, a rotating shaft is transversely inserted into the left side of the fixed shell, the right end of the rotating shaft is in transmission connection with the auxiliary rod through a bevel gear set, the left end of the rotating shaft is in rotating connection with the inner wall on the left side of the assembly cavity through a bearing, and a plurality of groups of turbulence blades are arranged on the outer wall of the circumference of the rotating shaft at equal intervals from left to right.

Furthermore, the receiving cavity is formed in the laminar flow hood body and is located on the left side and the right side of the air guide cavity, the receiving rod is longitudinally arranged in the receiving cavity in a rotating mode, the front side and the rear side of the outer wall of the receiving rod are fixedly sleeved with the winding rollers, the outer wall of each winding roller is wound with the rope body, the bottom of the rope body movably penetrates through the bottom of the receiving cavity and extends into the guide cavity, and the four groups of rope bodies are respectively and fixedly connected with the tops of the four groups of mounting grooves in a detachable mode.

Furthermore, a rectangular shell is fixed at the top of the rear side of the laminar flow hood body, a second driving device is fixed at the center of the rear side of the rectangular shell, a rotating rod of the output end of the second driving device penetrates through the rear side of the rectangular shell, the rear ends of the bearing rods penetrate through the rear side of the laminar flow hood body and the front side of the rectangular shell in a movable mode, and the rotating rods of the output ends of the bearing rods and the driving devices are connected in a transmission mode through a chain wheel transmission set.

Furthermore, a dust screen is arranged in the arc-shaped ventilation opening.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the first driving device enables the first exhaust fan blade to work, so that the outside air is treated by the filtering structure and the ultraviolet lamp from bottom to top, the damage to the first driving device and the first exhaust fan blade is effectively reduced, meanwhile, when the first driving device enables the first exhaust fan blade to work, the auxiliary rod drives the rotating shaft to rotate through the chain wheel transmission set, the turbulence effect on the air flowing upwards is achieved through the turbulence blades, the air purification quality of the ultraviolet lamp is improved, and meanwhile, when the filtering structure needs to be maintained after long-term use, the second driving device enables the chain wheel transmission set to drive the carrying rod to enable the winding roller to unwind the rope body, so that the filtering structure is downward, the ascending of a user is not needed for maintenance, the maintenance difficulty is greatly reduced, and the potential safety hazard is reduced.

Drawings

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

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is a cross-sectional view of another perspective structure of fig. 2 according to the present invention.

In the figure: 1. a base component; 11. a laminar flow hood body; 12. mounting a plate; 13. an arc-shaped vent; 14. mounting grooves; 15. a guide cavity; 16. an assembly chamber; 17. a wind guide cavity; 18. a receiving chamber; 19. a rectangular cavity; 2. a filter assembly; 21. a filter structure; 22. a first driving device; 23. an extraction fan blade; 24. an ultraviolet lamp; 25. a sprocket drive group; 26. a stationary case; 27. a rotating shaft; 28. a spoiler blade; 29. a bearing rod; 210. a winding roller; 211. a rope body; 212. a rectangular shell; 213. and a second driving device.

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.

Example 1

Referring to fig. 1-3, the present invention provides a technical solution: a ceiling type high-efficiency filter laminar flow hood (electrical components in the utility model are connected with an external power supply through wires), comprising a base component 1, wherein the base component 1 comprises a laminar flow hood body 11, the laminar flow hood body 11 is widely applied in the field and is not detailed herein, mounting plates 12 are fixed on the periphery of the top of the laminar flow hood body 11 and are conveniently fixed at a designated position, a rectangular mounting groove 14 is formed in the bottom of an inner cavity of the laminar flow hood body 11 and is conveniently matched with a filter structure 21, a trapezoidal guide cavity 15 is communicated with the top of the mounting groove 14, an assembly cavity 16 is communicated with the top of the guide cavity 15, an air guide cavity 17 is communicated with the top of the assembly cavity 16, the guide cavity 15, the assembly cavity 16 and the air guide cavity 17 are all arranged in the laminar flow hood body 11, and an arc-shaped vent 13 communicated with the air guide cavity 17 is formed in the center of the top of the laminar flow hood body 11 so as to facilitate airflow flow; filter element 2, filter element 2 includes the filtration 21 with 14 looks adaptations of mounting groove, filtration 21 is extensive in this field application, can be by high-efficient filter layer, non-woven fabrics, active carbon adsorption layer and glass fiber constitute, 17 top inner walls in wind-guiding chamber are fixed with drive arrangement 22, drive arrangement 22 is driving motor, the bull stick of a 22 output of drive arrangement is provided with extraction fan leaf 23, a rotor for making the air current upwards make the air discharge from arc vent 13 after filtering through filtration 21, the equal symmetry of both sides inner wall of assembly chamber 16 has fore-and-aft ultraviolet lamp 24, ultraviolet lamp 24 plays the sterile effect of disinfecting to the air that gets into.

As shown in fig. 2-3: a rectangular cavity 19 is formed in the laminar flow hood body 11 and above the right side of the assembly cavity 16, an auxiliary rod is inserted in the rectangular cavity 19 in a vertically rotating mode, a bearing is arranged at the insertion position of the auxiliary rod and the rectangular cavity 19, the auxiliary rod is in transmission connection with a rotating rod at the output end of a driving device I22 through a chain wheel transmission group 25, the chain wheel transmission group 25 is composed of a chain wheel and a chain, the application is wide in the field, detailed description is omitted, and a movable opening matched with the chain wheel transmission group 25 is formed in the inner wall of the right side of the air guide cavity 17;

as shown in fig. 2-3: auxiliary rod outer wall bottom activity cover is equipped with set casing 26, and set casing 26 is fixed at wind-guiding chamber 17 right side inner wall top, set casing 26 left side is transversely inserted and is equipped with pivot 27, pivot 27 is provided with the bearing with set casing 26's junction, and pivot 27 right-hand member and auxiliary rod pass through bevel gear group (not shown in the figure) transmission and connect, bevel gear group is two sets of bevel gear components that mesh mutually, bevel gear group is in set casing 26, the pivot 27 left end passes through the bearing and is connected with the rotation of assembly chamber 16 left side inner wall, pivot 27 circumference outer wall is provided with multiunit vortex blade 28 from a left side to right equidistance, play the effect of vortex to the air that rises, make the better disinfection of disinfecting through ultraviolet lamp 24 of air.

Example 2

As shown in fig. 1: the laminar flow hood body 11 and the positions on the left side and the right side of the air guide cavity 17 are both provided with a bearing cavity 18, a bearing rod 29 is longitudinally and rotatably arranged in the bearing cavity 18, the bearing rod 29 is rotatably arranged in the bearing cavity 18 by adopting a bearing at the end part, the front side and the rear side of the outer wall of the bearing rod 29 are fixedly sleeved with winding rollers 210, the outer wall of each winding roller 210 is wound with a rope body 211, the bottom of each rope body 211 movably penetrates through the bottom of the bearing cavity 18 and extends into the guide cavity 15, the four groups of rope bodies 211 are respectively detachably and fixedly connected with the peripheries of the tops of the four groups of mounting grooves 14, and the rope bodies 211 are wound by the winding rollers 210, so that the filter structure 21 can move upwards or downwards, and the maintenance of the high-position filter structure 21 is conveniently realized;

as shown in fig. 2-3: a rectangular shell 212 is fixed at the top of the rear side of the laminar flow hood body 11, a second driving device 213 is fixed at the center of the rear side of the rectangular shell 212, the second driving device 213 consists of a servo motor and a speed reducer, a rotating rod at the output end of the second driving device 213 movably penetrates through the rear side of the rectangular shell 212, the rear ends of two groups of bearing rods 29 movably penetrate through the rear side of the laminar flow hood body 11 and the front side of the rectangular shell 212, the two groups of bearing rods 29 are in transmission connection with the rotating rod at the output end of the second driving device 213 through a sprocket transmission group 25, so that the two groups of bearing rods 29 synchronously rotate in the same direction, and the sprocket transmission group 25 at the position is positioned in the rectangular shell 212;

as shown in fig. 2-3: a dust screen is arranged in the arc-shaped ventilation opening 13 to prevent external dust and the like from entering the laminar flow hood body 11 through the arc-shaped ventilation opening 13.

The rest of the structure is the same as in example 1.

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 suspension type high efficiency filter laminar flow hood which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the base assembly (1) comprises a laminar flow hood body (11), mounting plates (12) are fixed on the periphery of the top of the laminar flow hood body (11), a rectangular mounting groove (14) is formed in the bottom of an inner cavity of the laminar flow hood body (11), a trapezoidal guide cavity (15) is communicated with the top of the mounting groove (14), an assembly cavity (16) is communicated with the top of the guide cavity (15), an air guide cavity (17) is communicated with the top of the assembly cavity (16), and an arc-shaped vent (13) communicated with the air guide cavity (17) is formed in the center of the top of the laminar flow hood body (11);

the air guide assembly comprises a filtering assembly (2), the filtering assembly (2) comprises a filtering structure (21) matched with the mounting groove (14), a first driving device (22) is fixed on the inner wall of the top of the air guide cavity (17), a rotating rod at the output end of the first driving device (22) is provided with an exhaust fan blade (23), and longitudinal ultraviolet lamps (24) are symmetrically arranged on the inner walls of the two sides of the assembly cavity (16).

2. The suspended ceiling type high efficiency filter laminar flow hood according to claim 1, wherein: a rectangular cavity (19) is formed in the laminar flow cover body (11) and above the right side of the assembly cavity (16), an auxiliary rod is inserted in the rectangular cavity (19) in a vertically rotating mode, the auxiliary rod is in transmission connection with a rotating rod at the output end of the first driving device (22) through a chain wheel transmission set (25), and a movable opening matched with the chain wheel transmission set (25) is formed in the inner wall of the right side of the air guide cavity (17).

3. The suspended ceiling type high efficiency filter laminar flow hood according to claim 2, wherein: the utility model discloses a wind-guiding chamber, including auxiliary rod, fixed casing (26), bevel gear group, auxiliary rod, pivot (16), auxiliary rod outer wall bottom activity cover is equipped with set casing (26), and set casing (26) are fixed at wind-guiding chamber (17) right side inner wall top, set casing (26) left side is transversely inserted and is equipped with pivot (27), and pivot (27) right-hand member and auxiliary rod pass through bevel gear group transmission and connect, pivot (27) left end is passed through the bearing and is connected with assembly chamber (16) left side inner wall rotation, pivot (27) circumference outer wall is provided with multiunit vortex blade (28) from a left side to right equidistance.

4. The suspended ceiling type high efficiency filter laminar flow hood according to claim 3, wherein: the laminar flow hood is characterized in that a bearing cavity (18) is formed in the laminar flow hood body (11) and is positioned on the left side and the right side of an air guide cavity (17), bearing rods (29) are longitudinally arranged in the bearing cavity (18) in a rotating mode, winding rollers (210) are fixedly sleeved on the front side and the rear side of the outer wall of each bearing rod (29), a rope body (211) is wound on the outer wall of each winding roller (210), the bottom of the rope body (211) movably penetrates through the bottom of the bearing cavity (18) and extends into a guide cavity (15), and the four rope bodies (211) are respectively detachably and fixedly connected with the tops of four groups of mounting grooves (14) in the periphery.

5. The suspended ceiling type high efficiency filter laminar flow hood according to claim 4, wherein: laminar flow cover body (11) rear side top is fixed with rectangle shell (212), the rear side central authorities of rectangle shell (212) are fixed with drive arrangement two (213), and the bull stick activity of drive arrangement two (213) output runs through rectangle shell (212) rear side, and is two sets of accept pole (29) rear end all activity and run through laminar flow cover body (11) rear side and rectangle shell (212) front side, and is two sets of the bull stick of accepting pole (29) and drive arrangement two (213) output passes through sprocket drive group (25) transmission and connects.

6. The suspended ceiling type high efficiency filter laminar flow hood according to claim 5, wherein: and a dust screen is arranged in the arc-shaped ventilation opening (13).