CN111637072B - Numerical control fan shell structure - Google Patents
Numerical control fan shell structure Download PDFInfo
- Publication number
- CN111637072B CN111637072B CN202010520972.9A CN202010520972A CN111637072B CN 111637072 B CN111637072 B CN 111637072B CN 202010520972 A CN202010520972 A CN 202010520972A CN 111637072 B CN111637072 B CN 111637072B
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- Prior art keywords
- fixedly connected
- air guide
- guide pipe
- fan shell
- sliding
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- 241000886569 Cyprogenia stegaria Species 0.000 title claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 59
- 239000000428 dust Substances 0.000 claims abstract description 50
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000779 smoke Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 240000007643 Phytolacca americana Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/545—Ducts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
- F04D29/646—Mounting or removal of fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a novel numerical control fan shell structure, which belongs to the technical field of numerical control fans and comprises a fan shell, shells and a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with the two shells, the fan shell is fixedly connected between the two shells, a fixing ring is arranged in the fan shell, the left side and the right side of the inner part of the fixing ring are respectively provided with a positioning mechanism, and the outer surface of the fan shell is provided with clamping holes corresponding to the positions of the two positioning mechanisms. According to the invention, the air guide mechanism is arranged, the first air guide pipe and the second air guide pipe are arranged in the air guide mechanism, and the first air guide pipe can be adjusted at a certain angle in the second air guide pipe, so that smoke dust can be discharged at different angles through the first air guide pipe and the second air guide pipe.
Description
Technical Field
The invention belongs to the technical field of numerical control fans, and particularly relates to a numerical control fan shell structure.
Background
The traditional fan has airflow in the same direction with the axis of a fan blade, such as an electric fan, an air conditioner outer fan is an axial flow type running fan, so the axial flow type fan is called as an axial flow type, because the air flows parallel to the fan axis, the axial flow type fan is generally used in occasions with higher flow requirement and lower pressure requirement, a numerical control fan is connected with a numerical control controller outside the fan, the wind power and the working time of the fan are accurately controlled by the controller, compared with the traditional fan, the numerical control fan is more convenient to use by improving the automation degree of the traditional fan, Chinese patent discloses a shell structure of a reinforced axial flow fan and an axial flow fan (patent No. CN201920599295.7), the proposal describes that an annular groove protruding outwards is arranged on a shell in a stamping or other mode, so the diameter of an impeller can be consistent with the inner diameter of the shell, and on a vertical projection plane, the impeller and the shell of the axial flow fan are in seamless contact, the running wind noise can be obviously reduced, the wind pressure is obviously enhanced, meanwhile, the annular groove can improve the integral strength of the shell, but the fan shell can not change the direction of wind power generated by the fan, in some special cases, the fan cannot provide good effect when working, meanwhile, the filter screen in the fan shell is very troublesome to disassemble, the filter screen can be disassembled to clean only by screwing a large number of screws, the treatment effect of the fan is greatly reduced, and the screw can be aged and broken in the long-time use process of the fan, thus further greatly increasing the operation difficulty of workers, and the dust filtering effect of the existing fan can not be changed, and the fan can not work better under different conditions, and some fan shells are directly placed on the ground to work, and the condition of side turning can be caused in the working process of the fan shells due to the small supporting area of the supporting seat.
Disclosure of Invention
The invention aims to: the numerical control fan shell structure is provided for solving the problems that the filter screen in the prior art is difficult to disassemble, the wind power cannot be changed, and the use of a fan is influenced by adjusting a base.
In order to achieve the purpose, the invention adopts the following technical scheme:
a numerical control fan shell structure comprises a fan shell, shells and a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with the two shells, the fan shell is fixedly connected between the two shells, a fixed ring is arranged in the fan shell, the left side and the right side of the outer surface of the fixed ring are respectively provided with a positioning mechanism, the outer surface of the fan shell is provided with a clamping hole penetrating through the inner wall of the fan shell at a position corresponding to the two positioning mechanisms, the front surface of the fixed ring is clamped with a first bearing, the first bearing is internally sleeved with an air guide mechanism, the air guide mechanism is positioned at the front side of the fan shell, the upper surface of the shell is clamped with a second bearing, the second bearing is internally sleeved with a second fixed shaft, the top end of the second fixed shaft is fixedly connected with a screwing block, the bottom end of the second fixed shaft is fixedly connected with a threaded column, the threaded column is positioned in the shell, the outer surface of the threaded column is connected with a threaded cap, and the outer surface of the threaded cap is clamped with a fixed block, one side face of the fixed block is fixedly connected with a jacking mechanism, the other end of the jacking mechanism penetrates through a first through hole formed in one side face, away from the fan shell, of the shell, the other end of the jacking mechanism penetrates through a second through hole formed in the upper surface of the bottom plate and is fixedly connected with the upper surface of the extending plate, and the extending plate is located in a placing groove formed in the lower surface of the bottom plate;
the fan casing is internally provided with a fixed plate, the upper surface and the lower surface of the fixed plate are both provided with second grooves, the second grooves are internally provided with mounting mechanisms, one ends of the two mounting mechanisms are respectively arranged in slots formed in the upper surface and the lower surface of the inner wall of the fan casing, the front surface of the fixed plate is fixedly connected with a first dust filter screen, the outer surface of the first dust filter screen is attached to the inner wall of the fan casing, and the left side surface and the right side surface of the fixed plate are fixedly connected with a second dust filter screen.
As a further description of the above technical solution:
positioning mechanism is including seting up the first recess at the retainer plate surface, and a side of first recess inner wall is through first spring fixedly connected with slide, and sliding connection is in the first spout that first recess inner wall upper surface and lower surface were seted up respectively at the both ends of slide, and a side fixedly connected with fixture block of first spring is kept away from to the slide.
As a further description of the above technical solution:
the air guide mechanism comprises a first air guide pipe, the first air guide pipe is sleeved in a first bearing, the outer surface of the first air guide pipe is fixedly connected with a rubber ring, the outer surface of the rubber ring is attached to the inner wall of the fan shell, a second air guide pipe is arranged in the first air guide pipe, the left side surface and the right side surface of the second air guide pipe are fixedly connected with first fixing shafts, the outer surface of the first fixing shafts is sleeved with third bearings, and the two third bearings are respectively clamped on the left side surface and the right side surface of the inner wall of the first air guide pipe.
As a further description of the above technical solution:
one end, located in the first air guide pipe, of the second air guide pipe is fixedly connected with a connecting belt, the connecting belt is annular and elastic, the other side edge of the connecting belt is fixedly connected with the inner wall of the first air guide pipe, the left side face and the right side face of the second air guide pipe are both fixedly connected with silica gel pads, and the other side face of each silica gel pad is attached to the inner wall of the first air guide pipe.
As a further description of the above technical solution:
the jacking mechanism comprises two first fixing pieces fixedly connected with one side face of the fixing block, the two first fixing pieces are hinged to one end of the connecting rod through a first pin shaft, the other end of the connecting rod is hinged between the two second fixing pieces through a second pin shaft, and the second fixing pieces are fixedly connected to the upper surface of the extending plate.
As a further description of the above technical solution:
the equal fixedly connected with slider in front and the back of extension board, slider sliding connection are in the second spout, and two second spouts are seted up respectively at the front and the back of standing groove inner wall, both ends set up respectively in two slide rails around the fixed block, and the front and the back at the shell inner wall are seted up respectively to two slide rails.
As a further description of the above technical solution:
the shape of second dust filter screen is half circular arc, and second dust filter screen one side is provided with two longitudinal symmetry's buckle, and the buckle joint is on the staple that a fixed plate side corresponds the position setting.
As a further description of the above technical solution:
the upper side and the lower side of one side face of the second dust filtering net are fixedly connected with hook and loop sticking rough faces, and the back face of the first dust filtering net is fixedly connected with a hook and loop sticking hook face.
As a further description of the above technical solution:
the mounting mechanism comprises a sliding sleeve fixedly connected in the second groove, a sliding rod is sleeved in the sliding sleeve, one end of the sliding rod is fixedly connected with a poking rod, the other end of the sliding rod is arranged in a slot formed in the inner wall of the fan shell, a third through hole is formed in the back face of the fixing plate corresponding to the position of the poking rod, and one end of the poking rod penetrates through the third through hole and extends to the rear side of the fixing plate.
As a further description of the above technical solution:
the outer surface cover of slide bar is equipped with the second spring, and one end and the sliding sleeve of second spring are kept away from a side fixed connection of poker rod, and the other end fixed connection of second spring is at the surface of slide bar.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the air guide mechanism is arranged, the first air guide pipe and the second air guide pipe are arranged in the air guide mechanism, and the first air guide pipe can adjust a certain angle in the second air guide pipe, so that smoke dust can be discharged at different angles through the first air guide pipe and the second air guide pipe.
2. According to the invention, the bottom plate can extend out of the placing groove by arranging the extension plate and the bottom plate, the overall coverage range of the extension plate and the bottom plate is larger, the supported effect of the fan shell is better, the fan shell cannot shake or turn over during working, the threaded column can drive the threaded cap to move up and down when rotating by arranging the threaded column, the threaded cap and the jacking mechanism, so that the threaded cap can drive one end of the jacking mechanism to move up and down, the other end of the jacking mechanism can drive the extension plate to move away from the placing groove to leave the bottom plate, and the coverage range can be adjusted at will, so that the fan shell can be suitable for different terrains.
3. According to the invention, the first dust filter screen and the second dust filter screen are arranged, the first dust filter screen can filter air, the second dust filter screen covers the back surface of the first dust filter screen, the size of a filter hole between the first dust filter screen and the second dust filter screen can be adjusted, the filtering effect is further improved, smaller dust can be filtered, the mounting mechanism, the fixing plate and the slot are arranged, when the mounting mechanism is controlled to be separated from the slot, the fixing plate cannot be fixed, the mounting plate can be detached from the fan shell by a worker, the first dust filter screen and the second dust filter screen can be detached, the operation is greatly facilitated without loosening bolts, and the fan shell can be conveniently processed by the worker.
Drawings
FIG. 1 is a schematic structural diagram of a housing structure of a numerical control fan according to the present invention;
FIG. 2 is a schematic side view of a partial cross-sectional structure of a positioning mechanism and an air guiding mechanism in a housing structure of a numerical control fan according to the present invention;
FIG. 3 is a schematic diagram of a rear view cross-sectional structure of a fixing ring and a positioning mechanism in a housing structure of a numerical control fan according to the present invention;
FIG. 4 is a schematic cross-sectional view of a side view of a housing of a digital controlled fan according to the present invention;
FIG. 5 is a schematic structural diagram of a side view of a bottom plate and an extension plate in a housing structure of a digital controlled fan according to the present invention;
FIG. 6 is a schematic diagram of a rear view of a fan housing of a numerical control fan housing according to the present invention;
fig. 7 is an enlarged schematic structural diagram of a position a in a numerical control fan housing structure according to the present invention.
Illustration of the drawings:
1. a fan housing; 2. a housing; 3. a base plate; 4. an air guide mechanism; 41. a first air duct; 42. a silica gel pad; 43. a second air duct; 44. a rubber ring; 45. a connecting belt; 46. a first fixed shaft; 5. a first bearing; 6. a stationary ring; 7. a positioning mechanism; 71. a clamping block; 72. a first groove; 73. a first spring; 74. a slide plate; 8. a second fixed shaft; 9. a threaded post; 10. a threaded cap; 11. a slide rail; 12. a fixed block; 13. a jacking mechanism; 131. a first fixing sheet; 132. a connecting rod; 133. a second fixing sheet; 14. a first through hole; 15. a second through hole; 16. an extension plate; 17. a slider; 18. a fixing plate; 19. a first dust filter screen; 20. hook surface of magic tape; 21. magic tape hair side; 22. a second dust filter screen; 23. a second groove; 24. a slot; 25. a third through hole; 26. buckling; 27. an installation mechanism; 271. a poke rod; 272. a slide bar; 273. a second spring; 274. and (4) a sliding sleeve.
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.
Referring to fig. 1-7, the present invention provides a technical solution: a numerical control fan shell structure comprises a fan shell 1, shells 2 and a bottom plate 3, wherein the upper surface of the bottom plate 3 is fixedly connected with the two shells 2, the fan shell 1 is fixedly connected between the two shells 2, a fixing ring 6 is arranged in the fan shell 1, the left side and the right side of the outer surface of the fixing ring 6 are respectively provided with a positioning mechanism 7, the outer surface of the fan shell 1 is respectively provided with a clamping hole penetrating through the inner wall of the fan shell 1 at the position corresponding to the two positioning mechanisms 7, the positioning mechanism 7 comprises a first groove 72 arranged on the outer surface of the fixing ring 6, one side surface of the inner wall of the first groove 72 is fixedly connected with a sliding plate 74 through a first spring 73, two ends of the sliding plate 74 are respectively and slidably connected in first sliding grooves arranged on the upper surface and the lower surface of the inner wall of the first groove 72, one side surface of the sliding plate 74 far away from the first spring 73 is fixedly connected with a clamping block 71, and the sliding plate 74 and the first sliding groove are arranged, the sliding plate 74 can slide in the first sliding groove, so that the fixture block 71 can stably move left and right, and by arranging the first spring 73, the first spring 73 can extend through the elasticity of the first spring 73, so that the fixture block 71 can be well pushed to be tightly clamped into the fixture hole, and at the moment, the fixing ring 6 can be stably fixed in the fan shell 1;
the front surface of the fixed ring 6 is clamped with a first bearing 5, the first bearing 5 is internally sleeved with an air guide mechanism 4, the air guide mechanism 4 is positioned at the front side of the fan shell 1, the air guide mechanism 4 comprises a first air guide pipe 41, the first air guide pipe 41 is sleeved in the first bearing 5, the outer surface of the first air guide pipe 41 is fixedly connected with a rubber ring 44, the outer surface of the rubber ring 44 is attached to the inner wall of the fan shell 1, a second air guide pipe 43 is arranged in the first air guide pipe 41, the left side surface and the right side surface of the second air guide pipe 43 are both fixedly connected with a first fixed shaft 46, the outer surface of the first fixed shaft 46 is sleeved with a third bearing, the two third bearings are respectively clamped at the left side surface and the right side surface of the inner wall of the first air guide pipe 41, through the arrangement of the third bearing, the first fixed shaft 46 and the rubber ring 44, the second air guide pipe 43 can rotate in the first air guide pipe 41 under the action of the third bearing and the first fixed shaft 46, at this time, the wind direction can be effectively changed, the rubber ring 44 can increase the friction coefficient between the first wind guide pipe 41 and the fan case 1, so that the first wind guide pipe 41 can rotate to any position in the fan case 1 and stop, the wind guide range is expanded, one end of the second wind guide pipe 43, which is positioned in the first wind guide pipe 41, is fixedly connected with the connecting belt 45, the connecting belt 45 is in a ring shape, the connecting belt 45 has elasticity, the other side edge of the connecting belt 45 is fixedly connected with the inner wall of the first wind guide pipe 41, the left side surface and the right side surface of the second wind guide pipe 43 are both fixedly connected with the silica gel pads 42, the other side surface of the silica gel pads 42 is attached to the inner wall of the first wind guide pipe 41, the connecting belt 45 and the silica gel pads 42 are arranged, the connecting belt 45 can guide the wind in the first wind guide pipe 41 into the second wind guide pipe 43, so that the wind force in the first wind guide pipe 41 can be effectively received no matter the second wind guide pipe 43 rotates to any position, the silicone pad 42 can increase the friction coefficient between the first air guiding pipe 41 and the second air guiding pipe 43, so that the second air guiding pipe 43 can effectively stop moving and stably guide air when rotating to any position in the first air guiding pipe 41;
the upper surface of the shell 2 is connected with a second bearing in a clamping manner, a second fixed shaft 8 is sleeved in the second bearing, the top end of the second fixed shaft 8 is fixedly connected with a screwing block, the bottom end of the second fixed shaft 8 is fixedly connected with a threaded column 9, the threaded column 9 is positioned in the shell 2, the outer surface of the threaded column 9 is connected with a threaded cap 10 in a threaded manner, the outer surface of the threaded cap 10 is connected with a fixed block 12 in a clamping manner, and one side surface of the fixed block 12 is fixedly connected with a jacking mechanism 13;
the pushing mechanism 13 comprises two first fixing plates 131 fixedly connected with one side surface of the fixing block 12, the two first fixing plates 131 are hinged with one end of a connecting rod 132 through a first pin shaft, the other end of the connecting rod 132 is hinged between two second fixing plates 133 through a second pin shaft, the second fixing plates 133 are fixedly connected with the upper surface of the extension plate 16, the first fixing plates 131, the second fixing plates 133 and the connecting rod 132 are arranged, the first fixing plates 131 can drive the second fixing plates 133 to move left and right when moving up and down, so that the second fixing plates 133 can drive the extension plate 16 to stably move left and right, the other end of the pushing mechanism 13 penetrates through a first through hole 14 formed in one side surface of the shell 2 far away from the fan shell 1, and the other end of the pushing mechanism 13 penetrates through a second through hole 15 formed in the upper surface of the bottom plate 3 and is fixedly connected with the upper surface of the extension plate 16, the extension plate 16 is positioned in a placing groove formed on the lower surface of the bottom plate 3, the connecting rod 132 is not obstructed in the moving process by arranging the first through hole 14 and the second through hole 15, the front surface and the back surface of the extension plate 16 are fixedly connected with the sliding block 17, the sliding block 17 is connected in the second sliding groove in a sliding manner, the two second sliding grooves are respectively arranged on the front surface and the back surface of the inner wall of the placing groove, the front end and the back end of the fixed block 12 are respectively arranged in the two sliding rails 11, the two sliding rails 11 are respectively arranged on the front surface and the back surface of the inner wall of the shell 2, the extension plate 16 can stably move left and right along the track under the action of the sliding block 17 and the second sliding grooves, the derailment condition can not occur, some rolling balls can be embedded on the lower surface of the extension plate 16, the extension plate 16 can normally and easily move, and the fixed block 12 can slide in the sliding rails 11 by arranging the sliding rails 11, so that the fixed block 12 does not rotate and can stably move up and down;
a fixed plate 18 is arranged in the fan shell 1, second grooves 23 are formed in the upper surface and the lower surface of the fixed plate 18, mounting mechanisms 27 are arranged in the second grooves 23, one ends of the two mounting mechanisms 27 are respectively arranged in slots 24 formed in the upper surface and the lower surface of the inner wall of the fan shell 1, each mounting mechanism 27 comprises a sliding sleeve 274 fixedly connected in the second groove 23, a sliding rod 272 is sleeved in the sliding sleeve 274, one end of the sliding rod 272 is fixedly connected with a poke rod 271, the other end of the sliding rod 272 is arranged in the slot 24 formed in the inner wall of the fan shell 1, a third through hole 25 is formed in the back surface of the fixed plate 18 corresponding to the poke rod 271, one end of the poke rod 271 penetrates through the third through hole 25 and extends to the rear side of the fixed plate 18, a second spring 273 is sleeved on the outer surface of the sliding rod 272, one end of, the other end of the second spring 273 is fixedly connected to the outer surface of the sliding rod 272, and by arranging the sliding sleeve 274, the sliding rod 272, the poke rod 271, the slot 24 and the third through hole 25, a worker can control the sliding rod 272 to move upwards through the poke rod 271, the sliding rod 272 can stably move in the sliding sleeve 274, the fixing plate 18 can not be fixed when the sliding rod 272 is separated from the slot 24, at this time, the worker can take out the fixing plate 18, the first dust filter screen 19 and the second dust filter screen 22 from the fan housing 1, by arranging the second spring 273, the second spring 273 can drive the sliding rod 272 to be stably inserted into the slot 24 through the self elastic extension, and at this time, the fixing plate 18 can be tightly fixed and can not be detached;
the front surface of the fixing plate 18 is fixedly connected with a first dust filter net 19, the outer surface of the first dust filter net 19 is attached to the inner wall of the fan shell 1, the left side surface and the right side surface of the fixing plate 18 are fixedly connected with a second dust filter net 22, the second dust filter net 22 is in a semi-circular arc shape, one side surface of the second dust filter net 22 is provided with two buckles 26 which are symmetrical up and down, the buckles 26 are clamped on clamping nails arranged at corresponding positions on one side surface of the fixing plate 18, the upper side and the lower side of one side surface of the second dust filter net 22 are fixedly connected with magic tape rough surfaces 21, the back surface of the first dust filter net 19 is fixedly connected with a magic tape rough surface 20, the magic tape rough surface 21, the buckles 26 and the clamping nails are arranged, the magic tape rough surface 20 can be adhered to the magic tape rough surface 21, at the moment, the second dust filter net 22 can be adhered to the first dust filter net 19 and can filter air together with the first dust filter net 19, the air filtration effect is improved, through setting up buckle 26 and bail, buckle 26 can block on the bail, and the second dust filter 22 can be fixed on fixed plate 18 this moment, and the second dust filter 22 can not be in the same place with the first laminating of dust filter 19, through adjusting the filter effect, can utilize different filter effects to filter the air under different environment.
The working principle is as follows: when the wind direction needs to be adjusted, the worker can pull the first air duct 41 and the second air duct 43 to rotate freely to adjust the first air duct 41 and the second air duct 43 to any angle, at the moment, the fan shell 1 can spray the wind from a specific angle when working, if the first air duct 41 and the second air duct 43 are not needed to be used, the worker can push the fixture block 71 through the clamping hole to accommodate the fixture block 71 into the first groove 72, at the moment, the air guide mechanism 4 can be detached from the fan shell 1, if the filtering effect needs to be changed, the second dust filter net 22 can be detached and adhered to the first dust filter net 19 by using the magic adhesive hook surface 20 and the magic adhesive rough surface 21, if the first dust filter 19 and the second dust filter 22 need to be detached and cleaned, a worker can control the mounting mechanism 27 to make the sliding rod 272 not be inserted into the slot 24, and finally the worker can conveniently take out the fixing plate 18, the first dust filter 19 and the second dust filter 22 from the fan case 1 for cleaning.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A numerical control fan shell structure comprises a fan shell (1), shells (2) and a bottom plate (3), and is characterized in that the upper surface of the bottom plate (3) is fixedly connected with the two shells (2), the fan shell (1) is fixedly connected between the two shells (2), a fixed ring (6) is arranged in the fan shell (1), positioning mechanisms (7) are arranged on the left side and the right side of the outer surface of the fixed ring (6), clamping holes penetrating through the inner wall of the fan shell (1) are formed in positions, corresponding to the two positioning mechanisms (7), of the outer surface of the fan shell (1), a first bearing (5) is clamped on the front surface of the fixed ring (6), an air guide mechanism (4) is sleeved in the first bearing (5), the air guide mechanism (4) is located on the front side of the fan shell (1), a second bearing is clamped on the upper surface of the shell (2), a second fixed shaft (8) is sleeved in the second bearing, the top end of the second fixing shaft (8) is fixedly connected with a twisting block, the bottom end of the second fixing shaft (8) is fixedly connected with a threaded column (9), the threaded column (9) is located in the shell (2), the outer surface of the threaded column (9) is in threaded connection with a threaded cap (10), the outer surface of the threaded cap (10) is connected with a fixed block (12) in a clamping mode, one side face of the fixed block (12) is fixedly connected with a jacking mechanism (13), the other end of the jacking mechanism (13) penetrates through the shell (2) and is far away from a first through hole (14) formed in one side face of the fan shell (1), the other end of the jacking mechanism (13) penetrates through a second through hole (15) formed in the upper surface of the bottom plate (3) and is fixedly connected with the upper surface of an extension plate (16), and the extension plate (16) is located in a placing groove formed in the lower surface of the bottom plate (3);
the fan casing is characterized in that a fixing plate (18) is arranged in the fan casing (1), second grooves (23) are formed in the upper surface and the lower surface of the fixing plate (18), mounting mechanisms (27) are arranged in the second grooves (23), one ends of the two mounting mechanisms (27) are respectively arranged in slots (24) formed in the upper surface and the lower surface of the inner wall of the fan casing (1), a first dust filter screen (19) is fixedly connected to the front surface of the fixing plate (18), the outer surface of the first dust filter screen (19) is attached to the inner wall of the fan casing (1), second dust filter screens (22) are fixedly connected to the left side surface and the right side surface of the fixing plate (18), the second dust filter screens (22) are in a semi-circular arc shape, two vertically symmetrical buckles (26) are arranged on one side surface of each second dust filter screen (22), and the buckles (26) are clamped on clamping nails arranged at corresponding positions on one side surface of the fixing plate (18), the upper side and the lower side of one side face of the second dust filtering net (22) are both fixedly connected with magic tape rough surfaces (21), and the back face of the first dust filtering net (19) is fixedly connected with a magic tape hook surface (20).
2. The numerical control fan shell structure according to claim 1, wherein the positioning mechanism (7) comprises a first groove (72) formed in the outer surface of the fixing ring (6), a sliding plate (74) is fixedly connected to one side surface of the inner wall of the first groove (72) through a first spring (73), two ends of the sliding plate (74) are respectively slidably connected to first sliding grooves formed in the upper surface and the lower surface of the inner wall of the first groove (72), and a clamping block (71) is fixedly connected to one side surface of the sliding plate (74) far away from the first spring (73).
3. The numerical control fan shell structure according to claim 1, wherein the air guide mechanism (4) comprises a first air guide pipe (41), the first air guide pipe (41) is sleeved in a first bearing (5), a rubber ring (44) is fixedly connected to the outer surface of the first air guide pipe (41), the outer surface of the rubber ring (44) is attached to the inner wall of the fan shell (1), a second air guide pipe (43) is arranged in the first air guide pipe (41), first fixing shafts (46) are fixedly connected to the left side surface and the right side surface of the second air guide pipe (43), third bearings are sleeved on the outer surface of the first fixing shafts (46), and the two third bearings are respectively clamped on the left side surface and the right side surface of the inner wall of the first air guide pipe (41).
4. The numerical control fan shell structure according to claim 3, wherein one end of the second air guide pipe (43) located in the first air guide pipe (41) is fixedly connected with a connecting belt (45), the connecting belt (45) is in a ring shape, the connecting belt (45) has elasticity, the other side edge of the connecting belt (45) is fixedly connected with the inner wall of the first air guide pipe (41), the left side surface and the right side surface of the second air guide pipe (43) are both fixedly connected with a silica gel pad (42), and the other side surface of the silica gel pad (42) is attached to the inner wall of the first air guide pipe (41).
5. A housing structure of a numerical control fan according to claim 1, wherein the pushing mechanism (13) comprises two first fixing plates (131) fixedly connected with one side of the fixing block (12), the two first fixing plates (131) are hinged with one end of the connecting rod (132) through a first pin shaft, the other end of the connecting rod (132) is hinged between two second fixing plates (133) through a second pin shaft, and the second fixing plates (133) are fixedly connected with the upper surface of the extending plate (16).
6. A housing structure of a numerical control fan according to claim 1, characterized in that the front and back of the extension plate (16) are fixedly connected with sliding blocks (17), the sliding blocks (17) are slidably connected in second sliding grooves, the two second sliding grooves are respectively opened on the front and back of the inner wall of the placing groove, the front and back ends of the fixed block (12) are respectively arranged in two sliding rails (11), and the two sliding rails (11) are respectively opened on the front and back of the inner wall of the housing (2).
7. The numerical control fan shell structure according to claim 1, wherein the mounting mechanism (27) comprises a sliding sleeve (274) fixedly connected in the second groove (23), a sliding rod (272) is sleeved in the sliding sleeve (274), one end of the sliding rod (272) is fixedly connected with a poking rod (271), the other end of the sliding rod (272) is arranged in a slot (24) formed in the inner wall of the fan shell (1), a third through hole (25) is formed in the back surface of the fixing plate (18) corresponding to the position of the poking rod (271), and one end of the poking rod (271) penetrates through the third through hole (25) and extends to the rear side of the fixing plate (18).
8. A numerical control fan shell structure according to claim 7, characterized in that the outer surface of the sliding rod (272) is sleeved with a second spring (273), one end of the second spring (273) is fixedly connected with one side of the sliding sleeve (274) far away from the dial rod (271), and the other end of the second spring (273) is fixedly connected with the outer surface of the sliding rod (272).
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| CN112432336B (en) * | 2020-11-18 | 2022-06-24 | 苏州汇弘电器有限公司 | Air inlet current limiter convenient to installation |
| CN112610501B (en) * | 2020-12-08 | 2024-01-12 | 广东金力重工机械有限公司 | Acid-resistant and corrosion-resistant multistage centrifugal pump |
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| CN112797535B (en) * | 2020-12-30 | 2022-10-11 | 湖南宏利安装工程有限责任公司 | Indoor ventilation device based on artificial intelligence and use method |
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Denomination of invention: A CNC fan housing structure Granted publication date: 20210924 Pledgee: China Construction Bank Lujiang Sub branch Pledgor: ANHUI LU FENG FAN CO.,LTD. Registration number: Y2024980007757 |