CN211144914U - Novel negative-pressure air fan for smoke exhaust - Google Patents
Novel negative-pressure air fan for smoke exhaust Download PDFInfo
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- CN211144914U CN211144914U CN201922059258.XU CN201922059258U CN211144914U CN 211144914 U CN211144914 U CN 211144914U CN 201922059258 U CN201922059258 U CN 201922059258U CN 211144914 U CN211144914 U CN 211144914U
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- main body
- body frame
- novel negative
- smoke exhaust
- negative pressure
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Abstract
The utility model discloses a novel negative pressure draught fan for smoke discharge, which comprises a main body frame and a rotary fan blade, wherein a support plate is fixed on the middle part of the main body frame through a bolt, the left end and the right end of the support plate are connected with the rotary fan blade through a rotating shaft, a transmission belt is sleeved on the middle part of the rotary fan blade, the convenient and fast mounting and dismounting device of the utility model consists of a fastening groove, a baffle plate, a clamping plate and a fixing hole, the clamping plate is fixed on the main body frame through the fixing hole bolt, the baffle plate is grabbed by bare hands, the baffle plate is pulled out from a gap between the clamping plate and the main body frame through the fastening groove on the baffle plate, then the filter screen is grabbed upwards to enable force, the filter screen is pulled out from the gap between the clamping plate and the main body frame to be cleaned, the filter screen is inserted into the gap between the clamping plate and the main body frame again after the cleaning is finished, is quick and convenient, and improves the working efficiency.
Description
Technical Field
The utility model belongs to the technical field of negative-pressure air fan is relevant, concretely relates to novel negative-pressure air fan for smoke ventilator.
Background
The negative pressure fan is a machine which utilizes the cooling principle of air convection and negative pressure ventilation, naturally sucks fresh air from a gate or a window opposite to an installation site, quickly and forcibly exhausts indoor hot air outdoors, and can improve any problem of poor ventilation, and the cooling and ventilation effect can reach 90-97%.
The prior art has the following problems: the use negative-pressure air fan to discharge fume makes, discharges indoor flue gas, makes fresh air get into indoorly, and the filter screen is infected with oil smoke and ash bits easily at the in-process of discharging fume, needs often to dismantle the washing, but current filter screen passes through the bolt fastening, and it is relatively hard to waste time to dismantle, reduces work efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel negative-pressure air fan for exhaust to propose in solving above-mentioned background art and discharging fume the messenger using negative-pressure air fan, with indoor flue gas outgoing, make fresh air get into indoorly, be infected with oil smoke and ash bits easily at the in-process filter screen of discharging fume, need often dismantle the washing, but current filter screen passes through the bolt fastening, dismantles relatively more and wastes time and energy, reduces work efficiency's problem.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a novel negative-pressure air fan for discharging fume, includes main part frame and rotating fan blade, the left downside of main part frame is provided with the spout, the upside of spout is inlayed and is had the pull ring, the middle part bolt fastening of main part frame has the backup pad, the end pivot is connected with rotating fan blade about the backup pad, driving belt has been cup jointed at rotating fan blade's middle part, driving belt's the other end has cup jointed the motor, the motor links to each other with the external power source electrical property, the end bolt fastening has convenient dismouting to put about the main part frame, convenient dismouting is put including catching groove, baffle, cardboard and fixed orifices, the middle part of baffle is provided with the catching groove, the lower extreme left and right sides of baffle is inlayed and is had the cardboard, the fixed orifices has evenly been run through on the right side of cardboard, the middle part that convenient dismouting was put is located.
Preferably, the rear end of the main body frame is provided with a blind window, and the blind window is uniformly connected to the main body frame through a rotating shaft.
Preferably, the rotating fan blades comprise blades, a belt pulley and connecting holes, the connecting holes are formed in the middle of the belt pulley, and the blades are fixed to the outer end of the belt pulley through uniform bolts
Preferably, the pull ring pulls on the sliding groove, so that the shutter can be opened for ventilation when the equipment does not work.
Preferably, the cardboard is provided with two altogether, pegs graft the filter screen through two cardboard bolt fastening on the left and right sides of main part frame.
Preferably, the shutter is driven by a heavy hammer in the main body frame, so that the opening range is larger, and no gap is closed.
Preferably, the number of the blades is six, and the six blades discharge the indoor air by rotating.
Preferably, the body frame is provided with handrails at the middle of the left and right ends, and is made of galvanized material.
Compared with the prior art, the utility model provides a novel negative-pressure air fan for smoke ventilator possesses following beneficial effect:
1. the utility model discloses convenient ann's dismouting is put by the catching groove, the baffle, cardboard and fixed orifices are constituteed, the cardboard passes through the fixed orifices bolt fastening and is put up in the main part, bare-handed grasp baffle, take the baffle out from the gap between cardboard and the main part frame through the catching groove on the baffle, again bare-handed grasp the filter screen upwards make power, take out the filter screen from the gap between cardboard and the main part frame and clear up, inject the filter screen again after the clearance is accomplished in the gap between cardboard and the main part frame, advance the baffle again and inlay and block.
2. The utility model discloses convenient ann's dismouting is put beneficial effect is that the filter screen is infected with oil smoke and ash bits easily at the in-process of discharging fume, needs often to dismantle the washing, but current filter screen passes through the bolt fastening, dismantles relative comparison and wastes time and energy, reduces work efficiency, puts through convenient ann and puts and makes the filter screen go into after dismantling and go into the installation time-saving labour saving and time saving relatively, and is swift convenient, improves work efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic structural view of a novel negative pressure fan for smoke exhaust provided by the utility model;
fig. 2 is a schematic structural view of a convenient mounting and dismounting device of a novel negative pressure fan for smoke exhaust;
fig. 3 is a schematic view of a rear view structure of a novel negative pressure fan for smoke exhaust;
fig. 4 is a schematic structural view of a rotating fan blade of a novel negative pressure fan for smoke exhaust;
in the figure: 1. a main body frame; 2. a support plate; 3. the device is convenient to mount and dismount; 4. rotating the fan blades; 5. a drive belt; 6. a motor; 7. a chute; 8. a pull ring; 9. a filter screen; 10. a blind window; 31. buckling grooves; 32. a baffle plate; 33. clamping a plate; 34. a fixing hole; 41. a blade; 42. a belt pulley; 43. and connecting the holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
a novel negative pressure draught fan for smoke exhaust comprises a main body frame 1 and rotary fan blades 4, wherein handrails are arranged in the middle of the left end and the right end of the main body frame 1, the main body frame 1 is made of galvanized materials, smoke exhaust is performed by fixing the main body frame 1 on a wall body, the service life is long, a blind window 10 is arranged at the rear end of the main body frame 1, the blind window 10 is driven by a heavy hammer in the main body frame 1, the opening range is larger, no gap is closed, the ventilation effect of the negative pressure draught fan is controlled by the blind window 10, the blind window 10 is uniformly connected to the main body frame 1 through a rotating shaft, the blind window 10 on the main body frame 1 is automatically opened through the heavy hammer by opening a power switch, a chute 7 is arranged on the lower left side of the main body frame 1, a pull ring 8 is inlaid on the upper side of the chute 7, wherein can ventilate at any time through the pull ring 8 convenience, the middle part bolt fastening of main part frame 1 has backup pad 2.
The utility model provides a novel negative-pressure air fan for discharging fume, end pivot is connected with rotating fan blade 4 about backup pad 2, rotating fan blade 4 includes blade 41, belt pulley 42 and connecting hole 43, the middle part of belt pulley 42 is provided with connecting hole 43, the even bolt fastening in belt pulley 42 outer end has blade 41, blade 41 is provided with six altogether, and six blade 41 are through rotatory with indoor air exhaust, wherein drive driving belt 5 through the belt pulley on the motor 6 and rotate, it is rotatory to rotate through driving belt 5 and drive rotating fan blade 4, driving belt 5 drives belt pulley 42, it is rotatory fast to drive blade 41 through belt pulley 42, discharge flue gas heat and dust in the indoor air, wherein rotating fan blade 4 drives the rotation through motor 6 and takes a breath.
A novel negative-pressure draught fan for smoke exhaust comprises a transmission belt 5 sleeved in the middle of a rotating fan blade 4, a motor 6 sleeved at the other end of the transmission belt 5, the motor 6 is electrically connected with an external power supply, a convenient mounting and dismounting device 3 is fixed on the left end and the right end of a main body frame 1 through bolts, the convenient mounting and dismounting device 3 comprises a buckle groove 31, a baffle 32, two clamping plates 33 and fixing holes 34, the middle of the baffle 32 is provided with the buckle groove 31, the left side and the right side of the lower end of the baffle 32 are inlaid with the clamping plates 33, the two clamping plates 33 are arranged in total, a filter screen 9 is inserted and connected on the left side and the right side of the main body frame 1 through the two clamping plates 33, the baffle 32 is grasped by bare hands, the baffle 32 is pulled out from a gap between the clamping plates 33 and the main body frame 1 through the buckle groove 31 on the baffle 32, the filter screen 9 is grasped by bare hands to, the right side of cardboard 33 evenly runs through has fixed orifices 34, and the middle part that the middle part of convenient ann's dismouting is put 3 is located main part frame 1 pegs graft and is fixed with filter screen 9.
The utility model discloses a theory of operation and use flow: after the utility model is installed, the negative pressure fan is connected with a power supply, a power switch is turned on, the louver 10 on the main body frame 1 is automatically opened by a heavy hammer, the motor 6 with the model number YE2-132M2-6 starts to rotate, the belt pulley on the motor 6 drives the transmission belt 5 to rotate, the transmission belt 5 drives the rotating fan blade 4 to rotate, the belt pulley 42 is connected with the supporting plate 2 by a rotating shaft through a connecting hole 43, the transmission belt 5 drives the belt pulley 42, the blades 41 are driven to rotate rapidly by the belt pulley 42, the smoke heat and dust in the indoor air are discharged to reduce the indoor air pressure, the indoor air becomes thin, a negative pressure area is formed, the air flows into the room due to air pressure difference compensation, when the filter screen 9 is infected with a large amount of oil smoke and dust, the disassembly and assembly device 3 is convenient and fast to assemble and disassemble, cardboard 33 passes through fixed orifices 34 bolt fastening on main part frame 1, bare-handed grasp baffle 32, take out baffle 32 from the gap between cardboard 33 and the main part frame 1 through catching groove 31 on the baffle 32, bare-handed grasp upwards messenger's power with filter screen 9 again, take out filter screen 9 from the gap between cardboard 33 and the main part frame 1 and clear up, insert filter screen 9 again after the clearance is accomplished in the gap between cardboard 33 and the main part frame 1, advance again that baffle 32 inlays and block.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a novel negative-pressure air fan for discharging fume, includes main part frame (1) and rotating fan blade (4), its characterized in that: the utility model discloses a fixing device of a safety device, including main body frame (1), the left and right sides of main body frame (1) is provided with spout (7), the upside of spout (7) is inlayed and is had pull ring (8), the middle part bolt fastening of main body frame (1) has backup pad (2), the end pivot is connected with rotatory flabellum (4) about backup pad (2), driving belt (5) have been cup jointed in the middle part of rotatory flabellum (4), motor (6) have been cup jointed to the other end of driving belt (5), motor (6) and external power electrical property link to each other, the end bolt fastening is had convenient ann dismouting and puts (3) about main body frame (1), convenient ann and dismantlement put (3) are including catching groove (31), baffle (32), cardboard (33) and fixed orifices (34) are inlayed on the left and right sides of the lower extreme of baffle (32), fixed orifices (34) have evenly run through on the right side of cardboard (33), the middle part of convenient ann dismouting device (3) is located the middle part of main part frame (1) and pegs graft and is fixed with filter screen (9).
2. The novel negative pressure draught fan for smoke exhaust of claim 1, characterized in that: the rear end of the main body frame (1) is provided with a blind window (10), and the blind window (10) is uniformly connected to the main body frame (1) through a rotating shaft.
3. The novel negative pressure draught fan for smoke exhaust of claim 1, characterized in that: rotatory flabellum (4) include blade (41), belt pulley (42) and connecting hole (43), the middle part of belt pulley (42) is provided with connecting hole (43), the even bolt fastening of belt pulley (42) outer end has blade (41).
4. The novel negative pressure draught fan for smoke exhaust of claim 1, characterized in that: the pull ring (8) is pulled on the sliding groove (7), so that the shutter (10) can be opened for ventilation when the equipment does not work.
5. The novel negative pressure draught fan for smoke exhaust of claim 2, characterized in that: the filter screen is characterized in that the clamping plates (33) are arranged in two, and the filter screen (9) is inserted and connected at the left side and the right side of the main body frame (1) through the two clamping plates (33) in a bolt fixing mode.
6. The novel negative pressure draught fan for smoke exhaust of claim 1, characterized in that: the shutter (10) is driven by a heavy hammer in the main body frame (1), so that the opening range is larger, and no gap is closed.
7. The novel negative pressure draught fan for smoke exhaust of claim 1, characterized in that: the blades (41) are provided with six blades in total, and the six blades (41) discharge indoor air by rotating.
8. The novel negative pressure draught fan for smoke exhaust of claim 1, characterized in that: the middle parts of the left end and the right end of the main body frame (1) are provided with handrails, and the main body frame (1) is made of galvanized materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922059258.XU CN211144914U (en) | 2019-11-26 | 2019-11-26 | Novel negative-pressure air fan for smoke exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922059258.XU CN211144914U (en) | 2019-11-26 | 2019-11-26 | Novel negative-pressure air fan for smoke exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211144914U true CN211144914U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922059258.XU Active CN211144914U (en) | 2019-11-26 | 2019-11-26 | Novel negative-pressure air fan for smoke exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211144914U (en) |
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2019
- 2019-11-26 CN CN201922059258.XU patent/CN211144914U/en active Active
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