CN220748644U - Air forward-flow type glass fiber reinforced plastic negative pressure fan - Google Patents
Air forward-flow type glass fiber reinforced plastic negative pressure fan Download PDFInfo
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- CN220748644U CN220748644U CN202322360282.3U CN202322360282U CN220748644U CN 220748644 U CN220748644 U CN 220748644U CN 202322360282 U CN202322360282 U CN 202322360282U CN 220748644 U CN220748644 U CN 220748644U
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- negative pressure
- pressure fan
- fiber reinforced
- glass fiber
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- 239000011152 fibreglass Substances 0.000 title claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
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Abstract
The utility model discloses an air forward-flow type glass fiber reinforced plastic negative pressure fan, which relates to the technical field of negative pressure fans and comprises a shell, wherein a fan main body is arranged on the inner side of the shell, a slot is formed in the lower end of the shell, and an assembly plate is inserted into the inner side of the slot. According to the utility model, the structure is adopted, when the assembly plate with the dust screen is installed, the assembly plate is only required to be inserted from the slot at the lower end of the shell, the upper end of the assembly plate is extruded on the inclined surface of the clamping block in the inserting process, so that the moving plate connected with the clamping block slides to compress the spring in the movable cavity, after the assembly plate is inserted into the slot of the shell, the clamping groove on the assembly plate moves to the clamping block, at the moment, the spring pushes the clamping block connected with the moving plate to clamp into the clamping groove for fixing through reset, when the assembly plate with the dust screen is disassembled, the lug at the lower end of the shell is pulled to the rear side, the moving plate connected with the lug boss slides, meanwhile, the clamping block on the moving plate is separated from the clamping groove on the assembly plate, and the assembly plate is taken down, so that maintenance operation can be realized.
Description
Technical Field
The utility model belongs to the technical field of negative pressure fans, and particularly relates to an air forward-flow type glass fiber reinforced plastic negative pressure fan.
Background
The downstream glass fiber reinforced plastic negative pressure fan is one fan to suck and exhaust air based on negative pressure principle. The fan is made of glass fiber reinforced plastic materials, has the characteristics of corrosion resistance, high temperature resistance, wear resistance and the like, and is suitable for places needing to discharge a large amount of air, such as factories, workshops, basements and the like.
The chinese patent with the publication number of CN215634015U discloses an environment-friendly and energy-saving glass fiber reinforced plastic negative pressure fan, which comprises a fan main body, a cover body and a baffle, wherein the fan main body is fixedly arranged in the inner cavity of the cover body, and further comprises a U-shaped rod, the inner surface walls at the two sides of the vertical end of the cover body are rotationally connected with a plurality of groups of gears, a plurality of groups of rotating rods are arranged between the inner surface walls at the two sides of the vertical end of the cover body, two ends of each rotating rod are fixedly connected with one end of each gear respectively, the front end face of the U-shaped rod is meshed with the gears through integrally formed gear teeth, and the rear end face of the U-shaped rod is in sliding connection with the inner cavity of the cover body.
Above-mentioned, glass steel negative pressure fan among the prior art is in use, because air exit installation baffle, when not using the fan, need manual operation U-shaped pole to close the baffle and prevent outside dust to get into inside the fan through the air exit, and secondly, fixed mounting dust screen in the air inlet department, and when dust screen filtration efficiency descends, inconvenient dismouting maintenance.
Disclosure of Invention
Aiming at the problems in the background art, the utility model aims to provide an air downstream type glass fiber reinforced plastic negative pressure fan so as to solve the problems in the background art.
The technical aim of the utility model is realized by the following technical scheme:
the utility model provides an air forward flow type glass steel negative pressure fan, includes the casing, the inboard of casing is equipped with the fan main part, the slot has been seted up to the lower extreme of casing, the inboard grafting of slot has the assembly plate, the inboard fixed mounting of assembly plate has the dust screen, the inboard fixed mounting of casing has fixed establishment, the draw-in groove has been seted up to the back of assembly plate, the casing passes through fixed establishment and draw-in groove joint, the positive fixed mounting of casing has control module, the back equidistance rotation of casing is connected with the baffle, baffle left shaft end fixed mounting has adjustment mechanism.
As the preferable technical scheme, adjustment mechanism includes the mounting groove, the left end at the casing is seted up to the mounting groove, the left end of baffle rotates stretches into the inboard fixed mounting of mounting groove and has the gear, the inboard sliding connection of mounting groove has the rack, rack and gear are the meshing connection, the inboard fixed mounting of mounting groove has electric putter, electric putter's output and the upper end outer wall fixed mounting of rack.
As the preferable technical scheme, the inside of mounting groove has seted up the spout, the rack passes through spout sliding connection at the mounting groove inboard.
As the preferable technical scheme, the outer wall of the upper end of the rack is fixedly provided with a connecting plate, and the output end of the electric push rod is fixedly arranged with the connecting plate.
As the preferable technical scheme, the left side of casing fixed mounting has the protective cover, the notch of mounting groove covers the protective cover.
As the preferred technical scheme, fixed establishment includes movable chamber and lug, the lower extreme inboard at the casing is seted up in the movable chamber, the inboard sliding connection in movable chamber has the board that moves, the contralateral symmetry fixed mounting who moves board and movable chamber has the spring, the one side fixed mounting who moves the board and keep away from the spring has the fixture block, the card income end slip of fixture block runs through the chamber wall and the draw-in groove joint in movable chamber, the convex part activity of lug runs through the chamber wall in movable chamber and moves board fixed mounting.
As the preferable technical scheme, the inboard symmetry fixed mounting of activity chamber has the guide post, move board sliding connection in the guide post outside, the middle part of spring is run through to the one end of guide post.
As the preferable technical scheme, the lower end of the shell is provided with a square hole, one end of an orifice of the square hole is communicated with the movable cavity, and the convex part of the convex block movably penetrates through the square hole and is fixedly arranged on the movable plate.
In summary, the utility model has the following advantages:
firstly, when the assembly plate with the dust screen is installed, the assembly plate is only required to be inserted from a slot at the lower end of the shell, the upper end of the assembly plate is extruded on the inclined surface of the clamping block in the inserting process, so that the moving plate connected with the clamping block slides in the movable cavity to compress the spring;
second, control the electric putter in the mounting groove through external control ware for electric putter output is flexible, and drives the rack through the connecting plate and slide in the mounting groove inboard, and the gear of the left axle head of rack meshing transmission baffle, make the baffle synchronous in the synchronous rotation of air outlet department at the casing back, and after the fan stopped, the baffle then gets into closed protection state, avoids outside dust to get into in the casing, thereby conveniently operate control to the baffle, also be convenient for protect this negative pressure fan.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the inside of the mounting slot of the present utility model;
FIG. 3 is a schematic view of the bottom structure of the housing of the present utility model;
FIG. 4 is a schematic view of the back face structure of the mounting plate of the present utility model;
fig. 5 is a schematic view of the internal structure of the movable chamber of the present utility model.
Reference numerals: 1. the fan comprises a shell, 2, a protective cover, 3, a fan body, 4, a fixing mechanism, 401, a movable cavity, 402, a moving plate, 403, a lug, 404, a clamping block, 405, a spring, 5, an assembly plate, 6, a dustproof net, 8, a baffle, 9, an adjusting mechanism, 901, a mounting groove, 902, a rack, 903, a gear, 904, an electric push rod, 10, a sliding groove, 11, a connecting plate, 12, a square hole, 13, a slot, 14, a clamping groove, 15 and a guide post.
Detailed Description
Example 1
Referring to fig. 1 to 5, the air forward-flow type glass fiber reinforced plastic negative pressure fan according to the embodiment comprises a housing 1, wherein a fan main body 3 is arranged on the inner side of the housing 1, a slot 13 is formed in the lower end of the housing 1, an assembly plate 5 is inserted into the inner side of the slot 13, a dust screen 6 is fixedly installed on the inner side of the assembly plate 5, a fixing mechanism 4 is fixedly installed on the inner side of the housing 1, a clamping groove 14 is formed in the back surface of the assembly plate 5, the housing 1 is clamped with the clamping groove 14 through the fixing mechanism 4, a control module is fixedly installed on the front surface of the housing 1, a baffle 8 is rotationally connected to the back surface of the housing 1 at equal intervals, and an adjusting mechanism 9 is fixedly installed on the left shaft end of the baffle 8.
Example 2
Referring to fig. 2, the adjusting mechanism 9 includes a mounting groove 901, the mounting groove 901 is formed at the left end of the housing 1, the left end of the baffle 8 rotates and stretches into the inner side of the mounting groove 901 to be fixedly provided with a gear 903, the inner side of the mounting groove 901 is slidably connected with a rack 902, the rack 902 and the gear 903 are in meshed connection, the inner side of the mounting groove 901 is fixedly provided with an electric push rod 904, the output end of the electric push rod 904 and the outer wall of the upper end of the rack 902 are fixedly arranged, the electric push rod 904 in the mounting groove 901 is controlled by an external controller, the output end of the electric push rod 904 stretches out and draws back, the rack 902 is driven to slide in the inner side of the mounting groove 901 by a connecting plate 11, the rack 902 is meshed with the gear 903 at the left shaft end of the driving baffle 8, so that the baffle 8 synchronously rotates at the air outlet of the back of the housing 1, and after the fan stops, the baffle 8 enters a closed protection state, external dust is prevented from entering the housing 1, so that the operation control of the baffle 8 is facilitated, and the negative pressure fan is also protected.
Referring to fig. 1-2, a sliding groove 10 is formed in the inner side of the installation groove 901, a rack 902 is slidably connected to the inner side of the installation groove 901 through the sliding groove 10, and the rack 902 can slide in the inner side of the installation groove 901 conveniently by forming the sliding groove 10 in the inner side of the installation groove 901; the connecting plate 11 is fixedly arranged on the outer wall of the upper end of the rack 902, the output end of the electric push rod 904 is fixedly arranged with the connecting plate 11, and the rack 902 can be conveniently pushed by the electric push rod 904 to slide inside the mounting groove 901 by arranging the connecting plate 11 on the outer wall of the rack 902; the left side fixed mounting of casing 1 has protective cover 2, and protective cover 2 covers the notch of mounting groove 901, through mounting protective cover 2 in the mounting groove 901 notch department of casing 1 left side, can conveniently protect the inside of mounting groove 901.
Example 3
Referring to fig. 1 and 3-5, the fixing mechanism 4 includes a movable cavity 401 and a protruding block 403, the movable cavity 401 is opened at the inner side of the lower end of the housing 1, the inner side of the movable cavity 401 is slidably connected with a movable plate 402, a spring 405 is fixedly installed at opposite sides of the movable plate 402 and the movable cavity 401, a clamping block 404 is fixedly installed at one side of the movable plate 402 far away from the spring 405, a clamping end of the clamping block 404 is slidably connected with a clamping block 14 through a cavity wall of the movable cavity 401, a protruding part of the protruding block 403 is movably connected with the cavity wall of the movable cavity 401 and the movable plate 402, when the mounting plate 5 with the dust screen 6 is mounted, only the mounting plate 5 is required to be inserted from a slot 13 at the lower end of the housing 1, the upper end of the mounting plate 5 is slidably connected with the clamping block 404 in the insertion process, the spring 405 is slidably compressed in the movable cavity 401, after the mounting plate 5 is inserted into the slot 13 of the housing 1, the clamping block 404 is moved to the clamping block 404, the clamping block 404 is fixedly connected with the clamping block 14 through the clamping block 404 by pushing the clamping block 404 connected with the clamping block 403 in the clamping block 14 in a reset mode, and when the mounting plate 403 is detached from the lower end of the housing 1, and the protruding block 403 is simultaneously, and the mounting plate 402 is maintained by the side of the protruding block 402 is separated from the lower end of the housing 1.
Referring to fig. 5, the inner side of the movable cavity 401 is symmetrically and fixedly provided with the guide posts 15, the moving plate 402 is slidably connected to the outer side of the guide posts 15, one end of the guide post 15 penetrates through the middle of the spring 405, the moving plate 402 can be conveniently slid by installing the guide posts 15 on the inner side of the movable cavity 401, and meanwhile, one end of the guide post 15 penetrates through the spring 405, so that the stability of the spring 405 can be ensured; the square hole 12 is arranged at the lower end of the shell 1, one end of the orifice of the square hole 12 is communicated with the movable cavity 401, the convex part of the convex block 403 movably penetrates through the square hole 12 and the movable plate 402 to be fixedly arranged, and the convex block 403 can be conveniently operated by arranging the square hole 12 communicated with the movable cavity 401 at the lower end of the shell 1.
The use principle and the advantages are that: during the use, electric putter 904 in the mounting groove 901 is controlled through the external control ware, make electric putter 904 output flexible, and drive rack 902 in the inboard slip of mounting groove 901 through connecting plate 11, and rack 902 meshing transmission baffle 8's left axle head's gear 903, make baffle 8 synchronous at the air outlet department synchronous rotation in the casing 1 back, and after the fan stopped, electric putter 904 output is retracted, rack 902 gliding and baffle 8 then gets into the closed protection state, avoid outside dust to get into casing 1, when the fan starts, electric putter 904 output pushes up, rack 902 gliding and baffle 8 side gets into open state, can go out the wind at this moment, when installing to the assembly plate 5 that has dust screen 6, only need insert assembly plate 5 from the slot 13 of casing 1 lower extreme, the inclined plane extrusion of fixture block 404 is equipped with assembly plate 5, make the assembly plate 402 that fixture 404 connect slide compression spring 405 in movable chamber 401 this moment, after assembly plate 5 inserts in slot 13 of casing 1, the draw down fixture plate 14 on assembly plate 5 moves to the fixture plate, avoid outside dust entering casing 1, otherwise, the opening state is gone into to the fixture plate 403 through reset spring 403, can be moved to the fixture plate 403 through the fixture plate 403, can be moved down to the fixture plate 402, the lug 402 is moved down to the lug 402 side when the assembly plate 5 is connected to the lug 402, can be kept down by the fixture plate 402, the lug 402 is kept down in operation side 402.
Claims (8)
1. The utility model provides an air forward flow type glass steel negative pressure fan, includes casing, its characterized in that: the fan comprises a shell, and is characterized in that a fan main body is arranged on the inner side of the shell, a slot is formed in the lower end of the shell, an assembly plate is inserted into the inner side of the slot, a dust screen is fixedly arranged on the inner side of the assembly plate, a fixing mechanism is fixedly arranged on the inner side of the shell, a clamping groove is formed in the back of the assembly plate, the shell is connected with the clamping groove in a clamping mode through the fixing mechanism, a control module is fixedly arranged on the front of the shell, a baffle is connected with the back of the shell in an equidistance rotating mode, and an adjusting mechanism is fixedly arranged at the left shaft end of the baffle.
2. The air concurrent type glass fiber reinforced plastic negative pressure fan as set forth in claim 1, wherein: the adjusting mechanism comprises a mounting groove, the mounting groove is formed in the left end of the shell, a gear is fixedly mounted on the inner side of the mounting groove in a rotating mode, the inner side of the mounting groove is connected with a rack in a sliding mode, the rack is connected with the gear in a meshed mode, an electric push rod is fixedly mounted on the inner side of the mounting groove, and the output end of the electric push rod is fixedly mounted on the outer wall of the upper end of the rack.
3. The air concurrent type glass fiber reinforced plastic negative pressure fan as set forth in claim 2, wherein: the inner side of the mounting groove is provided with a sliding groove, and the rack is connected to the inner side of the mounting groove in a sliding way through the sliding groove.
4. The air concurrent type glass fiber reinforced plastic negative pressure fan as set forth in claim 2, wherein: the outer wall of the upper end of the rack is fixedly provided with a connecting plate, and the output end of the electric push rod is fixedly arranged with the connecting plate.
5. The air concurrent type glass fiber reinforced plastic negative pressure fan as set forth in claim 2, wherein: the left side of casing fixed mounting has the protective cover, the notch of protective cover with the mounting groove covers.
6. The air concurrent type glass fiber reinforced plastic negative pressure fan as set forth in claim 1, wherein: the fixing mechanism comprises a movable cavity and a protruding block, the movable cavity is arranged on the inner side of the lower end of the shell, the movable cavity is connected with a moving plate in a sliding mode, springs are symmetrically and fixedly arranged on opposite sides of the moving plate and the movable cavity, a clamping block is fixedly arranged on one side, away from the springs, of the moving plate, the clamping end of the clamping block is connected with the clamping groove in a clamping mode in a sliding mode, and the protruding portion of the protruding block is fixedly arranged on the clamping groove in a sliding mode, and penetrates through the cavity wall of the movable cavity.
7. The air concurrent type glass fiber reinforced plastic negative pressure fan as set forth in claim 6, wherein: the inside symmetry fixed mounting in movable chamber has the guide post, move board sliding connection in the guide post outside, the middle part of spring is run through to the one end of guide post.
8. The air concurrent type glass fiber reinforced plastic negative pressure fan as set forth in claim 6, wherein: the lower extreme of casing has seted up the square hole, the drill way one end and the movable chamber intercommunication of square hole, the convex part activity of lug runs through square hole and moves board fixed mounting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322360282.3U CN220748644U (en) | 2023-08-31 | 2023-08-31 | Air forward-flow type glass fiber reinforced plastic negative pressure fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322360282.3U CN220748644U (en) | 2023-08-31 | 2023-08-31 | Air forward-flow type glass fiber reinforced plastic negative pressure fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220748644U true CN220748644U (en) | 2024-04-09 |
Family
ID=90564743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322360282.3U Active CN220748644U (en) | 2023-08-31 | 2023-08-31 | Air forward-flow type glass fiber reinforced plastic negative pressure fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220748644U (en) |
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2023
- 2023-08-31 CN CN202322360282.3U patent/CN220748644U/en active Active
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