CN213541374U - Novel circular baffle air door - Google Patents
Novel circular baffle air door Download PDFInfo
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- CN213541374U CN213541374U CN202022111148.6U CN202022111148U CN213541374U CN 213541374 U CN213541374 U CN 213541374U CN 202022111148 U CN202022111148 U CN 202022111148U CN 213541374 U CN213541374 U CN 213541374U
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Abstract
The utility model relates to the technical field of baffle air doors, and discloses a novel circular baffle air door, which comprises a hollow circular air door frame, wherein the top of the hollow circular air door frame is fixedly connected with a motor bracket, the top of the motor bracket is connected with a driving motor through a bolt, the inner side wall of the hollow circular air door frame is provided with an air guide baffle, the center of the top and the bottom of the hollow circular air door frame is respectively and symmetrically provided with a first bearing seat and a second bearing seat, this novel circular baffle air door makes and leaves safety clearance between hollow circular wind door frame and the air guide baffle and avoids wearing and tearing, and first elastic rubber layer cooperation sliding block and highly-compressed air independently laminate according to hollow circular wind door frame inside wall, reach sealed effect, and highly-compressed air promotes second elastic rubber layer to the expansion of air guide baffle lateral wall inflation, reaches secondary seal's effect, and first elastic rubber layer extrudees each other with second elastic rubber layer and cooperates the highly-compressed air circle that overflows and effectively dams circular baffle air door both sides medium.
Description
Technical Field
The utility model relates to a baffle air door technical field specifically is a novel circular baffle air door.
Background
Baffle air door is often used for doing the medium usefulness of damming in tobacco pipe, the wind channel in the chemical industry, makes the whole circulations of a certain pipeline medium of system or close, and current baffle air door has square and circular two kinds, because general tobacco pipe and wind channel are circular cross-section, circular baffle air door is comparatively commonly used.
Current circular baffle air door single structure, generally adopt baffle and air door frame closely to laminate and reach sealed effect, but sealed effect is general, and baffle and air door can rub for a long time and cause wearing and tearing easily, again because the high-temperature and high-pressure environmental factor, use the back at baffle and air door long-time mutual friction fit, the clearance that the friction produced between baffle and the air door can grow gradually and deformation is irregular, reduce sealed effect, reduce the life of baffle air door, the further sealed scheme of circular baffle air door then sets up the sealing rubber circle at the lateral wall of baffle or the inside wall of air door, but the frictional resistance of rubber circle is big, long-time friction fit between the rubber circle, also can lead to rubber circle wearing and tearing or drop, the rubber circle can't be used for a long time, increase subsequent maintenance cost.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a novel circular baffle air door, which solves the problem that the sealing effect is achieved by the close attachment of a baffle and an air door frame, but the sealing effect is general, moreover, the baffle and the air door can be easily abraded after long-time friction, and due to the environmental factors of high temperature and high pressure, after the baffle and the air door are in friction fit for a long time, the clearance generated by friction between the baffle and the air door can be gradually enlarged and irregularly deformed, the sealing effect is reduced, the service life of the baffle air door is reduced, the further sealing scheme of the circular baffle air door is that a sealing rubber ring is arranged on the outer side wall of the baffle or the inner side wall of the air door, but the frictional resistance of rubber circle is big, and long-time friction fit between the rubber circle also can lead to the rubber circle wearing and tearing or drop, and the rubber circle can't be used for a long time, increases subsequent maintenance cost's problem.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a novel circular baffle air door comprises a hollow circular air door frame, a motor support is fixedly connected to the top of the hollow circular air door frame, a driving motor is connected to the top of the motor support through bolts, an air guide baffle is arranged on the inner side of the hollow circular air door frame, a safe movable gap is reserved between the hollow circular air door frame and the air guide baffle, the safe movable gap enables the hollow circular air door frame and the air guide baffle not to be abraded due to excessive friction, a first bearing seat and a second bearing seat are symmetrically arranged at the center of the top and the center of the bottom of the hollow circular air door frame respectively, a hollow rotating shaft is fixedly connected between bearing inner rings of the first bearing seat and the second bearing seat, the output end of the driving motor is connected with one end of the top of the hollow rotating shaft through a coupler, the second bearing seat extends out of one end of the bottom of the hollow rotating shaft and, the other end of the first gas inlet pipeline is fixedly connected with a first gate valve, the input end of the first gate valve is connected with an external air pump and a gas source, the hollow rotating shaft is connected with a gas guide baffle in a penetrating way, the gas guide baffle is composed of two belt trough baffles, the centers of the opposite surfaces of the two belt trough baffles are respectively provided with a circular groove, the opposite surfaces of the two belt trough baffles are provided with fourteen gas guide grooves in a central annular array, the cross section of each gas guide groove is semicircular, one end of each gas guide groove extends to the outer side surface of each belt trough baffle, the other end of each gas guide groove is communicated with the circular grooves, the two corresponding gas guide grooves form a gas guide channel, the two corresponding circular grooves form a cavity, the part of the hollow rotating shaft, which is positioned in the cavity, is equidistantly and vertically provided with gas outlet grooves, the gas outlet grooves are communicated with the hollow inner part of the hollow rotating shaft, high, the inside equal fixedly connected with through-hole sheetmetal of one end that the air guide passageway is close to air guide baffle side, the equal fixedly connected with flexible spring in surface of through-hole sheetmetal, the equal fixedly connected with sliding block of the other end of flexible spring, the structural shape and the size and air guide passageway looks adaptation of sliding block, the one end that flexible spring was kept away from to the sliding block flushes with the side of air guide baffle, high-pressure air passes through-hole sheetmetal and promotes the sliding block, the sliding block can cooperate high-pressure air to stretch out from the air guide passageway, flexible spring can make the other end of sliding block flush with the side of air guide baffle, also can play the reset action, first screw hole has all been seted up to the one end that flexible spring was kept away from to the sliding block, the side of air guide baffle is provided with first elastic rubber layer, first elastic rubber layer runs through first screw hole and is connected with the sliding The expansion achieves the sealing effect.
An air passage is arranged in the hollow circular air door frame, high-pressure air can be introduced into the air passage, an air vent is arranged on the side surface of the hollow circular air door frame and is communicated with the air passage, a second air inlet pipeline is fixedly connected at the port of the air vent, a second gate valve is fixedly connected at the other end of the second air inlet pipeline, the input end of the second gate valve is connected with an external air pump and an air source, the air pump enables the high-pressure air to sequentially enter the air passage through the second gate valve, the second air inlet pipeline and the air vent, an air outlet hole is arranged on the inner wall of the hollow circular air door frame and is communicated with the air passage, the opening position of the air outlet hole and the opening position of the air guide channel are arranged in a one-to-one correspondence manner, a second elastic rubber layer is fixedly connected with the inner wall of the hollow circular air door frame, the air outlet, make the second elastic rubber layer expand to the air guide baffle lateral wall and reach sealed effect, venthole open position and air guide channel open position correspond the setting, make the second elastic rubber layer of venthole position department can strengthen wrapping up sealedly to the clearance between sliding block protruding part and first elastic rubber layer and the sliding block bolted connection, leave safe movable gap between first elastic rubber layer and the second elastic rubber layer, safe movable gap makes an elastic rubber layer and second elastic rubber layer not excessive friction and leads to wearing and tearing or drop.
Preferably, the second screw hole has been seted up with its central ring array relatively to two trough of belt baffles, the port department of second screw hole all is provided with the sealing washer, all be provided with the thin pad of sealing rubber between two adjacent air guide grooves, the second screw hole is located between two adjacent air guide grooves, the air guide baffle passes through bolted connection by two trough of belt baffles and constitutes, the equipment is convenient, stable in structure, be provided with the thin pad of sealing rubber between two trough of belt baffles, strengthen the leakproofness between two trough of belt baffles, concentrated highly-compressed air derives from air guide channel.
Preferably, the pivot mounting groove has been seted up to the opposite face of two trough of belt baffles, hollow pivot runs through the pivot mounting groove, the third screw hole has been seted up to the inner wall of pivot mounting groove, the structural shape size and the hollow pivot looks adaptation of pivot mounting groove, fourth screw through-hole has been seted up to the part that hollow pivot is located the pivot mounting groove, fourth screw through-hole and third screw hole one-to-one setting, hollow pivot passes through fourth screw through-hole and third screw hole and trough of belt baffle bolted connection, hollow pivot and the inseparable laminating of pivot mounting groove, hollow pivot passes through bolted connection with two trough of belt baffles, the equipment is convenient, stable in structure.
Preferably, the outer side equidistance of hollow circular wind door frame is provided with the strengthening rib, and the frame welding has the flange frame around the hollow circular wind door frame makes pipeline or wind channel installation simpler and connection structure stable, and the leakproofness is stronger, and outside welding strengthening rib makes hollow circular wind door frame structure more firm.
Preferably, limit switch is installed at the top of motor support, limit switch passes through conductive component and is connected with driving motor, limit switch is ninety degrees with the contained angle of hollow circle wind door frame, driving motor is connected with manual rotation handle, the limit switch direction is on a parallel with the gaseous direction that lets in of pipeline, the contained angle of air guide baffle and hollow circle wind door frame is ninety degrees this moment, air guide baffle can touch limit switch, limit switch can feed back to driving motor with the signal of telecommunication and make it close, the autonomy and the security of equipment have been strengthened, the manual rotation handle of being connected with driving motor makes air guide baffle rotation angle can carry out small adjustment according to the workman's requirement.
Preferably, trough of belt baffle, through-hole sheetmetal, flexible spring and sliding block all are scribbled thermal-insulated anticorrosive coating, and the clearance between sliding block and the air guide passageway scribbles lubricating oil, and trough of belt baffle, through-hole sheetmetal, flexible spring and sliding block all are scribbled thermal-insulated anticorrosive coating, strengthen each part thermal-insulated ability and anticorrosive ability, prolong each part life, and lubricating oil reduces the frictional resistance of sliding block and air guide passageway.
The working principle is as follows: when the air guide baffle plate is closed, a safety gap is left between the air guide baffle plate and the hollow circular air door frame and cannot be mutually rubbed, the first elastic rubber layer and the second elastic rubber layer are prevented from being in contact abrasion, a worker opens the first gate valve, high-pressure air sequentially passes through the first gate valve connected with an external air pump, the first air inlet pipeline, the hollow rotating shaft, the air outlet groove and the cavity formed by the two circular grooves, the high-pressure air is finally introduced into the air guide channel, the high-pressure air pushes the sliding block to outwards push the first elastic rubber layer, as the first elastic rubber layer expands towards the inner side wall of the hollow circular air door frame, a gap is generated between the first elastic rubber layer and the air guide baffle plate, the high-pressure air is introduced into the gap and expands the gap, the first elastic rubber layer is automatically attached according to the inner side wall of the hollow circular air door frame, the sealing effect is achieved, at the second gate valve is opened at the moment, and the high-pressure air passes through the air outlet hole connected with the air duct, so that the second elastic rubber layer on the inner wall of the hollow circular air door frame expands towards the outer side wall of the air guide baffle plate to achieve the effect of secondary sealing, because the positions of the air outlet holes and the sliding blocks are arranged in a one-to-one correspondence manner, the second elastic rubber layer at the position of the air outlet hole can strengthen the sealing of the protruding part of the sliding block, the first elastic rubber layer and the second elastic rubber layer are mutually extruded and matched with an overflowing high-pressure air ring to effectively cut off media on two sides of the air door of the circular baffle plate, when the cut-off is stopped, when the first gate valve and the second gate valve are closed, the flexible spring enables the sliding block to reset into the air guide channel and to be flush with the side face of the air guide baffle, the first elastic rubber layer and the second elastic rubber layer retract mutually respectively, so that when the air guide baffle rotates, the hollow circular wind door frame, the air guide baffle, the first elastic rubber layer and the second elastic rubber layer are in contact abrasion.
(III) advantageous effects
The utility model provides a novel circular baffle air door. The method has the following beneficial effects:
(1) when the air guide baffle is closed, a safety gap is reserved between the hollow circular air door frame and the air guide baffle to avoid mutual excessive friction, and abrasion of the hollow circular air door frame and the air guide baffle is avoided.
(2) High-pressure air promotes the sliding block, and the sliding block outwards releases first elastic rubber layer, because first elastic rubber layer expands to hollow circle wind door frame inside wall, leads to producing the clearance between first elastic rubber layer and the air guide baffle, and the leading-in clearance of high-pressure air expands the clearance, makes first elastic rubber layer independently laminate according to hollow circle wind door frame inside wall, reaches sealed effect.
(3) The high-pressure air pushes the second elastic rubber layer covering the air outlet hole in the inner wall of the hollow circular air door frame through the air outlet hole connected with the air passage, so that the second elastic rubber layer on the inner wall of the hollow circular air door frame expands towards the outer side wall of the air guide baffle plate, and the secondary sealing effect is achieved.
(4) Because the position of venthole and the position one-to-one setting of sliding block, the second elastic rubber layer of venthole position department can strengthen and wrap up sealedly to the sliding block salient and the clearance of first elastic rubber layer and sliding block bolted connection, and the high-pressure air circle that first elastic rubber layer and second elastic rubber layer extrude each other and cooperate and spill over effectively dams circular baffle air door both sides medium.
(5) When stopping holding back, close first gate valve and second gate valve, flexible spring makes the sliding block reset back to in the air guide passageway and flush with the air guide baffle side, and first elastic rubber layer and second elastic rubber layer retract each other respectively, and when avoiding the air guide baffle rotation, first elastic rubber layer and the excessive contact wearing and tearing of second elastic rubber layer lengthen first elastic rubber layer and second elastic rubber layer life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the baffle with a groove of the present invention;
FIG. 3 is a side view of the air guide baffle of the present invention;
FIG. 4 is an enlarged view of the point A of FIG. 1 according to the present invention;
FIG. 5 is a side view of the through-hole metal plate of the present invention;
fig. 6 is a top view of the hollow circular wind door frame of the present invention.
In the figure: 1. a hollow circular wind door frame; 2. a motor bracket; 3. a drive motor; 4. an air guide baffle plate; 5. a first bearing housing; 6. a second bearing housing; 7. a hollow rotating shaft; 8. an air guide channel; 9. a through-hole metal sheet; 10. a flexible spring; 11. a slider; 12. a first threaded hole; 13. a first elastic rubber layer; 14. an air duct; 15. a vent hole; 16. a second gas inlet pipe; 17. a second gate valve; 18. an air outlet; 19. a first gas inlet pipe; 20. a first gate valve; 21. a second threaded hole; 22. reinforcing ribs; 23. a limit switch; 24. manually rotating the handle; 25. a second elastic rubber layer; 26. a small bolt; 41. a baffle plate with a groove; 411. a circular groove; 412. a gas guide groove; 413. a rotating shaft mounting groove; 414. a third threaded hole; 71. an air outlet groove; 72. a fourth threaded through hole.
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.
As shown in fig. 1-6, the utility model provides a technical solution: a novel circular baffle air door comprises a hollow circular air door frame 1, wherein a motor support 2 is fixedly connected to the top of the hollow circular air door frame 1, a driving motor 3 is bolted to the top of the motor support 2, an air guide baffle 4 is arranged on the inner side of the hollow circular air door frame 1, a safe movable gap is reserved between the hollow circular air door frame 1 and the air guide baffle 4, the safe movable gap prevents excessive friction between the hollow circular air door frame 1 and the air guide baffle 4 to cause abrasion, a first bearing seat 5 and a second bearing seat 6 are symmetrically arranged at the center of the top and the bottom of the hollow circular air door frame 1 respectively, a hollow rotating shaft 7 is fixedly connected between bearing inner rings of the first bearing seat 5 and the second bearing seat 6, the output end of the driving motor 3 is connected with one end of the top of the hollow rotating shaft 7 through a coupler, a second bearing seat 6 is extended from one end of, one end of the bottom of the hollow rotating shaft 7 is connected with a first air inlet pipeline 19 through a rotary joint, the other end of the first air inlet pipeline 19 is fixedly connected with a first gate valve 20, the input end of the first gate valve 20 is connected with an external air pump and an air source, the hollow rotating shaft 7 is in through connection with the air guide baffle plate 4, the air guide baffle plate 4 is composed of two belt groove baffle plates 41, the centers of the opposite surfaces of the two belt groove baffle plates 41 are both provided with circular grooves 411, the opposite surfaces of the two belt groove baffle plates 41 are provided with fourteen air guide grooves 412 in a central annular array, the cross section of each air guide groove 412 is semicircular, one end of each air guide groove 412 extends to the outer side surface of each belt groove baffle plate 41, the other end of each air guide groove 412 is communicated with the circular grooves 411, the two corresponding air guide grooves 412 form an air guide channel 8, the two corresponding circular grooves 411 form a, the air outlet groove 71 is communicated with the hollow interior of the hollow rotating shaft 7, high-pressure air can pass through the hollow interior of the hollow rotating shaft 7 at one time, the air outlet groove 71, a cavity formed by the two circular grooves 411 and the air guide channel 8, the interior of one end, close to the side face of the air guide baffle 4, of the air guide channel 8 is fixedly connected with the through hole metal sheet 9, the surface of the through hole metal sheet 9 is fixedly connected with the flexible spring 10, the other end of the flexible spring 10 is fixedly connected with the sliding block 11, the structural shape and the size of the sliding block 11 are matched with those of the air guide channel 8, one end, far away from the flexible spring 10, of the sliding block 11 is flush with the side face of the air guide baffle 4, the high-pressure air passes through the through hole metal sheet 9 to push the sliding block 11, the sliding block 11 can extend out from the air guide channel, first screw hole 12 has all been seted up to the one end that flexible spring 10 was kept away from to sliding block 11, and the side of air guide baffle 4 is provided with first elastic rubber layer 13, and first elastic rubber layer 13 runs through first screw hole 12 through little bolt 26 and is connected with sliding block 11, and bolted connection makes first elastic rubber layer 13 can not slide at will at air guide baffle 4 lateral surface and cooperate sliding block 11 to the inside wall expansion of hollow circular wind door frame 1 to reach sealed effect.
An air passage 14 is arranged in the hollow circular air door frame 1, high-pressure air can be introduced into the air passage 14, a vent hole 15 is formed in the side face of the hollow circular air door frame 1, the vent hole 15 is communicated with the vent hole 14, a second air inlet pipeline 16 is fixedly connected to the port of the vent hole 15, a second gate valve 17 is fixedly connected to the other end of the second air inlet pipeline 16, the input end of the second gate valve 17 is connected with an external air pump and an air source, the air pump enables the high-pressure air to sequentially pass through the second gate valve 17, the second air inlet pipeline 16 and the vent hole 15 to enter the vent hole 14, an air outlet hole 18 is formed in the inner wall of the hollow circular air door frame 1, the air outlet hole 18 is communicated with the vent hole 14, the opening position of the air outlet hole 18 and the opening position of the air guide channel 8 are arranged in a one-to-one correspondence manner, a second elastic rubber layer 25 is fixedly connected to, high-pressure air loops through air duct 14 and venthole 18 in proper order, make second elastic rubber layer 25 to the expansion of air guide baffle 4 lateral wall reach sealed effect, venthole 18 open position and the corresponding setting of air guide 8 open position, make the second elastic rubber layer 25 of venthole 18 position department can strengthen and wrap up sealedly to the clearance between sliding block 11 salient and first elastic rubber layer 13 and the sliding block 11 bolted connection, leave safe movable clearance between first elastic rubber layer 13 and the second elastic rubber layer 25, safe clearance makes an elastic rubber layer 13 and second elastic rubber layer 25 not excessive friction and leads to wearing and tearing or drop.
Pivot mounting groove 413 has been seted up to two grooved baffle 41's opposite face, hollow pivot 7 runs through pivot mounting groove 413, third screw hole 414 has been seted up to the inner wall of pivot mounting groove 413, the structural shape size and the 7 looks adaptations of hollow pivot of pivot mounting groove 413, fourth screw through-hole 72 has been seted up to the part that hollow pivot 7 is located pivot mounting groove 413, fourth screw through-hole 72 and the setting of third screw hole 414 one-to-one, hollow pivot 7 is through fourth screw through-hole 72 and third screw hole 414 and grooved baffle 41 bolted connection, through adopting above-mentioned technical scheme, hollow pivot 7 closely laminates with pivot mounting groove 413, hollow pivot 7 passes through bolted connection with two grooved baffle 41, the equipment is convenient, stable in structure.
The lateral surface equidistance of hollow circular air door frame 1 is provided with strengthening rib 22, and the outer frame welding has the flange frame around hollow circular air door frame 1, and through adopting above-mentioned technical scheme, the outer frame welding has the flange frame around hollow circular air door frame 1 makes pipeline or wind channel installation simpler and connection structure stable, and the leakproofness is stronger, and outside welding strengthening rib 22 makes hollow circular air door frame 1 structure more firm.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
The working principle is as follows: when the air guide baffle 4 is closed, a safety gap is left between the air guide baffle 4 and the hollow circular air door frame 1 at the moment, the air guide baffle and the hollow circular air door frame do not rub with each other, the first elastic rubber layer 13 and the second elastic rubber layer 25 are prevented from being worn by contact, a worker opens the first gate valve 20, high-pressure air sequentially passes through the first gate valve 20 connected with an external air pump, the first air inlet pipeline 19, the hollow rotating shaft 7, the air outlet groove 71 and a cavity formed by the two circular grooves 411, the high-pressure air is finally introduced into the air guide channel 8, the high-pressure air pushes the sliding block 11, the sliding block 11 pushes the first elastic rubber layer 13 outwards, as the first elastic rubber layer 13 expands towards the inner side wall of the hollow circular air door frame 1, a gap is generated between the first elastic rubber layer 13 and the air guide baffle 4, the high-pressure air is, the sealing effect is achieved, at the moment, the second gate valve 17 is opened, the high-pressure hollow enters the air passage 14 in the hollow circular air door frame 1 through the second gate valve 17 and the second air inlet pipeline 16 which are connected with an external air pump in sequence, high-pressure air passes through the air outlet hole 18 connected with the air passage 14, the second elastic rubber layer 25 on the inner wall of the hollow circular air door frame 1 expands and expands towards the outer side wall of the air guide baffle 4, the secondary sealing effect is achieved, because the position of the air outlet hole 18 and the position of the sliding block 11 are arranged in a one-to-one correspondence manner, the second elastic rubber layer 25 at the position of the air outlet hole 18 can strengthen the sealing of the protruding part of the sliding block 11, the first elastic rubber layer 13 and the second elastic rubber layer 25 are mutually extruded and matched with an overflowing high-pressure air ring to effectively cut off media on two sides of the circular baffle air door, when the cut-off is stopped, the first gate valve 20 and, the first elastic rubber layer 13 and the second elastic rubber layer 25 retract mutually respectively, so that the first elastic rubber layer 13 and the second elastic rubber layer 25 are prevented from being in contact abrasion when the air guide baffle 4 rotates.
The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, and the supply also belongs to the common general knowledge in this field, and the utility model discloses mainly used protects mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.
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 (6)
1. The utility model provides a novel circular baffle air door, includes hollow circle wind door frame (1), its characterized in that: the top of the hollow circular wind door frame (1) is fixedly connected with a motor support (2), the top of the motor support (2) is connected with a driving motor (3) through bolts, an air guide baffle (4) is arranged on the inner side of the hollow circular wind door frame (1), a safe movable gap is reserved between the hollow circular wind door frame (1) and the air guide baffle (4), a first bearing seat (5) and a second bearing seat (6) are symmetrically arranged at the center of the top and the center of the bottom of the hollow circular wind door frame (1) respectively, a hollow rotating shaft (7) is fixedly connected between the first bearing seat (5) and the inner bearing ring of the second bearing seat (6), the output end of the driving motor (3) is connected with one end of the top of the hollow rotating shaft (7) through a coupler, one end of the bottom of the hollow rotating shaft (7) extends out of the second bearing seat (6) and is fixedly connected with a rotary joint, one end, the other end fixedly connected with first gate valve (20) of first admission line (19), the input and the outside air pump and the air supply of first gate valve (20) are connected, hollow pivot (7) and air guide baffle (4) through connection, air guide baffle (4) comprise two trough of belt baffles (41), circular slot (411) have all been seted up to the center department of two trough of belt baffles (41) opposite faces, fourteen air guide slots (412) have been seted up with central annular array to the opposite faces of two trough of belt baffles (41), the cross-section of air guide slot (412) is semi-circular, the one end of air guide slot (412) extends to the lateral surface of trough of belt baffle (41), the other end and circular slot (411) of air guide slot (412) communicate each other, air guide channel (8) are constituteed to two corresponding air guide slots (412), the cavity is constituteed to two corresponding circular slot (411), the part that hollow pivot (7) is located the cavity erects the form to have seted up gas outlet slot (71, the air outlet groove (71) is communicated with the hollow interior of the hollow rotating shaft (7), the interior of one end, close to the side face of the air guide baffle (4), of the air guide channel (8) is fixedly connected with a through hole metal sheet (9), the surface of the through hole metal sheet (9) is fixedly connected with a flexible spring (10), the other end of the flexible spring (10) is fixedly connected with a sliding block (11), the structural shape and size of the sliding block (11) are matched with those of the air guide channel (8), one end, far away from the flexible spring (10), of the sliding block (11) is flush with the side face of the air guide baffle (4), one end, far away from the flexible spring (10), of the sliding block (11) is provided with a first threaded hole (12), the side face of the air guide baffle (4) is provided with a first elastic rubber layer (13), and the first elastic rubber layer (13) penetrates through the first threaded hole;
an air duct (14) is arranged inside the hollow circular air door frame (1), a vent hole (15) is formed in the side face of the hollow circular air door frame (1), the vent hole (15) is communicated with the vent duct (14), a second air inlet pipeline (16) is fixedly connected to the port of the vent hole (15), a second gate valve (17) is fixedly connected to the other end of the second air inlet pipeline (16), the input end of the second gate valve (17) is connected with an external air pump and an air source, an air outlet hole (18) is formed in the inner wall of the hollow circular air door frame (1), the air outlet hole (18) is communicated with the vent duct (14), the opening positions of the air outlet holes (18) and the opening positions of the air guide channels (8) are arranged in a one-to-one correspondence manner, a second elastic rubber layer (25) is fixedly connected to the inner wall of the hollow circular air door frame (1), and the air outlet holes (18) in the inner wall of the, a safety movable gap is reserved between the first elastic rubber layer (13) and the second elastic rubber layer (25).
2. The novel circular baffle damper of claim 1, wherein: the opposite surfaces of the two baffle plates (41) with the grooves are provided with second threaded holes (21) in a central annular array, the ports of the second threaded holes (21) are provided with sealing rings, a sealing rubber thin pad is arranged between every two adjacent air guide grooves (412), and the second threaded holes (21) are located between every two adjacent air guide grooves (412).
3. The novel circular baffle damper of claim 1, wherein: rotating shaft mounting grooves (413) are formed in opposite faces of the two grooved baffles (41), a hollow rotating shaft (7) penetrates through the rotating shaft mounting grooves (413), third threaded holes (414) are formed in the inner wall of the rotating shaft mounting grooves (413), the structural shape of the rotating shaft mounting grooves (413) is matched with that of the hollow rotating shaft (7), fourth threaded through holes (72) are formed in the portions, located in the rotating shaft mounting grooves (413), of the hollow rotating shaft (7), the fourth threaded through holes (72) are in one-to-one correspondence with the third threaded holes (414), and the hollow rotating shaft (7) is connected with the grooved baffles (41) through the fourth threaded through holes (72) and the third threaded holes (414).
4. The novel circular baffle damper of claim 1, wherein: reinforcing ribs (22) are arranged on the outer side face of the circular air door frame (1) at equal intervals, and flange frames are welded on the front outer frame and the rear outer frame of the circular air door frame (1).
5. The novel circular baffle damper of claim 1, wherein: limit switch (23) are installed at the top of motor support (2), and limit switch (23) are connected with driving motor (3) through electrically conductive component, and limit switch (23) is ninety degrees with the contained angle of hollow round wind door frame (1), and driving motor (3) are connected with manual rotation handle (24).
6. The novel circular baffle damper of claim 1, wherein: the baffle plate (41) with the groove, the through hole metal sheet (9), the flexible spring (10) and the sliding block (11) are coated with heat-insulating anticorrosive paint, and lubricating oil is coated in a gap between the sliding block (11) and the air guide channel (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022111148.6U CN213541374U (en) | 2020-09-23 | 2020-09-23 | Novel circular baffle air door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115500331A (en) * | 2022-09-15 | 2022-12-23 | 河北省农林科学院植物保护研究所 | Pest trapping device for spotted ceragus lucorum and control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115500331A (en) * | 2022-09-15 | 2022-12-23 | 河北省农林科学院植物保护研究所 | Pest trapping device for spotted ceragus lucorum and control method |
| CN115500331B (en) * | 2022-09-15 | 2023-12-05 | 河北省农林科学院植物保护研究所 | Pest trapping device for Apis dorsalis and control method |
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