CN209781244U - Low-noise medium-pressure fan - Google Patents
Low-noise medium-pressure fan Download PDFInfo
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- CN209781244U CN209781244U CN201920052920.6U CN201920052920U CN209781244U CN 209781244 U CN209781244 U CN 209781244U CN 201920052920 U CN201920052920 U CN 201920052920U CN 209781244 U CN209781244 U CN 209781244U
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Abstract
The utility model discloses a low noise middling pressure fan relates to fan technical field, including the noise reduction device, the below of noise reduction device is provided with fixing device, and the noise reduction device includes casing, inlet scoop, filter screen, air outlet, inhales sound cotton, first down tube, second down tube, axis of rotation, protection network, flabellum, motor, abatvoix, connecting plate, slide bar, first spring, sliding ring and foam-rubber cushion, and the inlet scoop has been seted up to the left surface of casing. This low noise middling pressure fan, the second spout that sets up through the bottom plate, the second spring, the carriage release lever, the connecting rod, the cooperation of gag lever post and spacing groove, it is more convenient when making the fan installation, the effect of second spout, the advantage that the fan reduces when the installation time has been reached, the bracing piece that the bottom plate set up, the pulley, the cooperation of steel wire and pull rod, it is more convenient to make the fan dismantle, the effect of pulley and steel wire, reached the fan and dismantled more laborsaving advantage after having used, the problem of the fan installation inconvenient and dismantlement has been solved.
Description
Technical Field
The utility model relates to a fan technical field specifically is a low noise middling pressure fan.
Background
The fan is a driven fluid machine, is a short form of Chinese habit for gas compression and gas delivery machines, and generally comprises a ventilator, a blower and a wind driven generator, wherein the gas compression and gas delivery machines convert rotating mechanical energy into gas pressure energy and kinetic energy and deliver gas.
The fan is applicable to various fields, and the kind of fan is more and more, but current fan have a large amount of noises in work and relatively inconvenient with the bottom plate installation, influence the normal interchange in people's the work, bring inconvenience for people's work, influence work efficiency, provide a low noise middling pressure fan for this reason, improve the practicality of fan.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a low noise middling pressure fan possesses the advantage of making an uproar, has solved the too big problem of fan noise.
Technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a low-noise medium-pressure fan comprises a noise reduction device, wherein a fixing device is arranged below the noise reduction device, the noise reduction device comprises a casing, an air suction opening, a filter screen, an air outlet, sound-absorbing cotton, a first inclined rod, a second inclined rod, a rotating shaft, a protective screen, fan blades, a motor, a sound-absorbing plate, a connecting plate, slide rods, a first spring, a sliding ring and a sponge pad, the air suction opening is formed in the left side surface of the casing, the filter screen is fixedly connected to the left side surface of the air suction opening, the air outlet is formed in the right side surface of the casing, the sound-absorbing cotton is fixedly connected to the outer surface of the air outlet, the protective screen is fixedly connected to the outer surface of the air outlet, the motor is arranged inside the casing, the rotating shaft is fixedly connected to the output end of the motor, the fan blades are fixedly connected to the right end of the rotating shaft, the outer surface of each slide bar is connected with a slide ring in a sliding mode, a connecting plate is arranged inside the shell and located between the two slide bars, the left side face and the right side face of the connecting plate are fixedly connected with one side face, close to the two slide rings, of the connecting plate respectively, and the upper surface of the connecting plate is fixedly connected with the bottom face of the sound absorption plate.
The fixing device comprises a fixing plate, a rubber pad, a first slide block, a limiting groove, a first sliding groove, a limiting rod, a connecting rod, a moving rod, a second sliding groove, a second spring, a steel wire, a supporting rod, a pulley, a pull rod and a bottom plate, wherein the bottom surface of the casing is fixedly connected with the fixing plate, the bottom plate is arranged below the casing, the bottom surface of the fixing plate penetrates through the bottom plate and extends into the bottom plate, the limiting grooves are respectively formed in the left side surface and the right side surface of the fixing plate, two symmetrical first sliding grooves are formed in the inner top wall of the bottom plate, two symmetrical connecting rods are arranged in the bottom plate, the limiting rod matched with the limiting groove is fixedly connected to one side surface, close to each other, of the two connecting rods, the limiting rod is clamped in the limiting groove, the second sliding groove is formed in the inner top wall of the bottom plate, and, and the bottom sliding connection of carriage release lever is in the inside of second spout, the interior roof fixedly connected with two symmetrical bracing pieces of bottom plate, every the bottom of bracing piece all has the pulley through the fixed hinge joint of pin, the left and right sides face of bottom plate all is provided with the pull rod.
Furthermore, the top ends of the sliding rods are fixedly connected with sponge cushions, the outer surfaces of the sliding rods are sleeved with first springs, the top ends of the first springs are fixedly connected with the bottom surface of the sliding ring, and the bottom ends of the first springs are fixedly connected with the inner bottom wall of the casing, so that when the motor vibrates in work, the damage to the motor caused by the fact that the bottom surface of the motor touches the sliding rods is prevented.
furthermore, the upper surface of the bottom plate is fixedly connected with two symmetrical rubber pads, the upper surface of each rubber pad is fixedly connected with the bottom surface of the shell, and the motor is enabled to have smaller noise between the shell and the bottom plate and prevent the shell and the bottom plate from being damaged due to friction when in work under the action of the rubber pads.
Further, every the equal fixedly connected with of upper surface of connecting rod and the first slider of first spout looks adaptation, and the top sliding connection of first slider is in the inside of first spout, makes the connecting rod utilize first slider more stable when removing, makes fixed fan convenience more.
Furthermore, every the inside fixedly connected with second spring of second spout, two the one end that the second spring is close to each other respectively with two side fixed connection that the carriage release lever is close to each other, utilize the effect of second spring, make the gag lever post joint more convenient more reduce more time for the staff's installation in the spacing inslot when promoting the carriage release lever removal.
Further, every the surface of pulley all twines and is connected with the steel wire, two the one end that is close to each other of steel wire is respectively with a side fixed connection that two carriage release levers kept away from each other, every the one end that the carriage release lever was kept away from to the steel wire all runs through the bottom plate and with a side fixed connection that two pull rods are close to each other, makes the cooperation that utilizes steel wire and pulley, and the fan dismantles more convenience after having used up, also makes staff more laborsaving when dismantling the fan.
Furthermore, the upper surface of motor fixedly connected with second down tube, the top of second down tube has first down tube through the fixed hinge joint of round pin axle, the top of first down tube and the inside fixed connection of casing make the more stable of motor work.
1. This low noise medium pressure fan, the cooperation through inlet scoop and the filter screen of casing setting, can make the fan bigger at work wind speed, effect through the filter screen, the advantage of fan at during operation protection fan has been reached, the cooperation of air outlet and protection network through the casing setting, can make the fan not damaged at during operation protection fan, the abatvoix through the motor setting, the sliding ring, first spring, the foam-rubber cushion and the cotton cooperation of inhaling the sound, can make the fan noise reduce at work, through the abatvoix with inhale the cotton effect of sound, the sound when discharging advantage that the fan sound is littleer and more when working has been reached, the too big problem of fan noise at work has been solved.
2. This low noise middling pressure fan, second spout through the bottom plate setting, the second spring, the carriage release lever, the connecting rod, the cooperation of gag lever post and spacing groove, it is more convenient when can making the fan installation, effect through the second spout, the advantage that the fan reduces when the installation time has been reached, bracing piece through the bottom plate setting, the pulley, the cooperation of steel wire and pull rod, it is more convenient to make the fan dismantle, effect through pulley and steel wire, reached the fan and dismantled more laborsaving advantage after having used up, the problem of the inconvenient installation of fan and dismantlement has been solved.
Drawings
Fig. 1 is a sectional view of the front view of the housing of the present invention;
Fig. 2 is a side view of the housing of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
Fig. 4 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.
In the figure: 1 noise reduction device, 101 casing, 102 inlet scoop, 103 filter screen, 104 air outlet, 105 sound absorption cotton, 106 first diagonal bar, 107 second diagonal bar, 108 rotation axis, 109 protection net, 110 flabellum, 111 motor, 112 sound absorption board, 113 connecting board, 114 slide bar, 115 first spring, 116 slip ring, 117 foam pad, 2 fixing device, 201 fixing board, 202 rubber pad, 203 first slide block, 204 spacing groove, 205 first chute, 206 spacing bar, 207 connecting bar, 208 moving bar, 209 second chute, 210 second spring, 211 steel wire, 212 supporting bar, 213 pulley, 214 pull bar, 215 bottom plate.
Detailed Description
As shown in fig. 1-4, the utility model provides a technical solution: a low-noise medium-pressure fan comprises a noise reduction device 1, a fixing device 2 is arranged below the noise reduction device 1, the noise reduction device 1 comprises a casing 101, an air suction opening 102, a filter screen 103, an air outlet 104, sound absorption cotton 105, a first inclined rod 106, a second inclined rod 107, a rotating shaft 108, a protective net 109, fan blades 110, a motor 111, a sound absorption plate 112, a connecting plate 113, a sliding rod 114, a first spring 115, a sliding ring 116 and a sponge pad 117, the air suction opening 102 is formed in the left side face of the casing 101, the filter screen 103 is fixedly connected to the left side face of the air suction opening 102, the air outlet 104 is formed in the right side face of the casing 101, the sound absorption cotton 105 is fixedly connected to the outer surface of the air outlet 104, the sound absorption cotton 105 is defined to be artificial inorganic fiber, natural ores such as quartz sand, limestone, dolomite, borax and the like are used as main raw materials, a plurality of chemical raw materials such as soda and borax are, the fiber and the fiber are mutually twisted in a three-dimensional crossing manner to present a plurality of tiny gaps, the outer surface of the air outlet 104 is fixedly connected with a protective net 109, the interior of the machine shell 101 is provided with a motor 111, the motor 111 is an electromagnetic device which realizes electric energy conversion or transmission according to the law of electromagnetic induction and mainly has the function of generating driving torque as a power source of electrical appliances or various machines, the output end of the motor 111 is fixedly connected with a rotating shaft 108, the right end of the rotating shaft 108 is fixedly connected with fan blades 110, the bottom surface of the motor 111 is fixedly connected with a sound-absorbing plate 112, the sound-absorbing plate 112 is a plate-shaped material with the functions of sound absorption and noise reduction, the inner bottom wall of the machine shell 101 is fixedly connected with two symmetrical sliding rods 114, the outer surface of each sliding rod 114 is slidably connected with a sliding ring 116, the connecting plate 113 is located between the two sliding rods 114, the left and right sides of the connecting plate 113 are respectively fixedly connected with one side face of the two sliding rings 116 close to each other, the upper surface of the connecting plate 113 is fixedly connected with the bottom face of the sound-absorbing board 112, the top end of each sliding rod 114 is fixedly connected with a sponge pad 117, the outer surface of each sliding rod 114 is sleeved with a first spring 115, the top end of each first spring 115 is fixedly connected with the bottom face of the sliding ring 116, the bottom end of each first spring 115 is fixedly connected with the inner bottom wall of the casing 101, when the motor 111 vibrates during operation, the damage of the motor 111 caused by the contact of the bottom face of the motor 111 and the sliding rods 114 is prevented, the upper surface of the motor 111 is fixedly connected with a second inclined rod 107, the top end of the second inclined rod 107 is fixedly hinged with a first inclined rod 106 through a pin shaft, and the top end of the first inclined rod 106 is, the motor 111 is operated more stably.
The fixing device 2 comprises a fixing plate 201, rubber pads 202, a first sliding block 203, a limiting groove 204, a first sliding groove 205, a limiting rod 206, a connecting rod 207, a moving rod 208, a second sliding groove 209, a second spring 210, a steel wire 211, a supporting rod 212, a pulley 213, a pull rod 214 and a bottom plate 215, wherein the fixing plate 201 is fixedly connected to the bottom surface of the machine shell 101, the bottom plate 215 is arranged below the machine shell 101, two symmetrical rubber pads 202 are fixedly connected to the upper surface of the bottom plate 215, the upper surface of each rubber pad 202 is fixedly connected to the bottom surface of the machine shell 101, the noise between the machine shell 101 and the bottom plate 215 is smaller and the damage caused by the friction between the machine shell 101 and the bottom plate 215 is prevented by the action of the rubber pads 202 when the motor 111 works, the bottom surface of the fixing plate 201 penetrates through the bottom plate 215 and extends to the inside of the bottom plate 215, the limiting grooves 204 are formed in the left side surface, two symmetrical connecting rods 207 are arranged inside the bottom plate 215, the upper surface of each connecting rod 207 is fixedly connected with a first sliding block 203 matched with the first sliding groove 205, the top end of the first sliding block 203 is connected inside the first sliding groove 205 in a sliding manner, so that the connecting rods 207 are more stable when moving by utilizing the first sliding block 203, and the fixed fan is more convenient, one side surfaces, close to each other, of the two connecting rods 207 are fixedly connected with limiting rods 206 matched with the limiting grooves 204, the limiting rods 206 are clamped inside the limiting grooves 204, the inner top wall of the bottom plate 215 is provided with second sliding grooves 209, one side surfaces, far away from each other, of the connecting rods 207 are fixedly connected with moving rods 208, the bottom ends of the moving rods 208 are connected inside the second sliding grooves 209 in a sliding manner, the inside of each second sliding groove 209 is fixedly connected with second springs 210, one ends, close to each other, of the two second springs 210 are fixedly connected with one side surfaces, close to each other, utilize the effect of second spring 210, it makes the gag lever post 206 joint more convenient for the staff installation to reduce more time to promote inside the spacing groove 204 when the carriage release lever 208 removes more when promoting, two symmetrical bracing pieces 212 of interior roof fixedly connected with of bottom plate 215, the bottom of every bracing piece 212 all has pulley 213 through the fixed hinge joint of pin, the equal winding of surface of every pulley 213 is connected with steel wire 211, the one end that is close to each other of two steel wires 211 respectively with the one side fixed connection that two carriage release levers 208 kept away from each other, the one end that carriage release lever 208 was kept away from to every steel wire 211 all runs through bottom plate 215 and with the one side fixed connection that two pull rods 214 are close to each other, the messenger utilizes the cooperation of steel wire 211 and pulley 213, the fan is more convenient after using to dismantle, also make the staff more laborsaving when dismantling the fan, the both sides face of bottom plate 215 all is provided with pull.
During the use, the fixed plate 201 is put into bottom plate 215 inside to hand power pull rod 214, slowly loosen pull rod 214 and utilize steel wire 211 to slide on pulley 213, make second spring 210 promote the carriage release 208 to remove, carriage release 208 drives connecting rod 207 and removes and utilizes first slider 203 to slide slowly in first spout 205, thereby promote the stable joint of gag lever post 206 and realize the installation in the inside of spacing groove 204, be connected motor 111 with municipal power, it drives axis of rotation 108 rotation and flabellum 110 to open motor 111, utilize the cooperation of abatvoix 112 and sound absorption cotton 105 to work motor 111 and discharge less and less sound, thereby realized the advantage of noise reduction, the practicality of work efficiency and fan has been improved.
Claims (7)
1. The utility model provides a low noise middling pressure fan, includes noise reduction device (1), the below of noise reduction device (1) is provided with fixing device (2), its characterized in that: the noise reduction device (1) comprises a machine shell (101), an air suction opening (102), a filter screen (103), an air outlet (104), sound absorption cotton (105), a first inclined rod (106), a second inclined rod (107), a rotating shaft (108), a protective net (109), fan blades (110), a motor (111), a sound absorption plate (112), a connecting plate (113), a sliding rod (114), a first spring (115), a sliding ring (116) and a sponge pad (117), wherein the air suction opening (102) is formed in the left side surface of the machine shell (101), the filter screen (103) is fixedly connected to the left side surface of the air suction opening (102), the air outlet (104) is formed in the right side surface of the machine shell (101), the sound absorption cotton (105) is fixedly connected to the outer surface of the air outlet (104), the protective net (109) is fixedly connected to the outer surface of the air outlet (104), and the motor, the output end of the motor (111) is fixedly connected with a rotating shaft (108), the right end of the rotating shaft (108) is fixedly connected with fan blades (110), the bottom surface of the motor (111) is fixedly connected with a sound-absorbing board (112), the inner bottom wall of the machine shell (101) is fixedly connected with two symmetrical sliding rods (114), the outer surface of each sliding rod (114) is connected with a sliding ring (116) in a sliding manner, a connecting plate (113) is arranged inside the machine shell (101), the connecting plate (113) is located between the two sliding rods (114), the left side surface and the right side surface of the connecting plate (113) are respectively fixedly connected with one side surface, close to the two sliding rings (116), of the connecting plate (113) and the bottom surface of the sound-absorbing board (112);
the fixing device (2) comprises a fixing plate (201), a rubber pad (202), a first sliding block (203), a limiting groove (204), a first sliding groove (205), a limiting rod (206), a connecting rod (207), a moving rod (208), a second sliding groove (209), a second spring (210), a steel wire (211), a supporting rod (212), a pulley (213), a pull rod (214) and a bottom plate (215), wherein the bottom surface of the machine shell (101) is fixedly connected with the fixing plate (201), the bottom plate (215) is arranged below the machine shell (101), the bottom surface of the fixing plate (201) penetrates through the bottom plate (215) and extends to the inside of the bottom plate (215), the limiting grooves (204) are formed in the left side surface and the right side surface of the fixing plate (201), the inner top wall of the bottom plate (215) is provided with two symmetrical first sliding grooves (205), the two symmetrical connecting rods (207) are arranged in the bottom plate (215, two gag lever post (206) of the equal fixedly connected with in a side that connecting rod (207) are close to each other and spacing groove (204) looks adaptation, and gag lever post (206) joint is in the inside of spacing groove (204), second spout (209) have been seted up to the interior roof of bottom plate (215), the equal fixedly connected with carriage release lever (208) in a side that connecting rod (207) kept away from each other, and the bottom sliding connection of carriage release lever (208) is in the inside of second spout (209), two symmetrical bracing pieces (212) of inside fixedly connected with of bottom plate (215), every the bottom of bracing piece (212) all has pulley (213) through the fixed hinge joint of pin, the left and right sides face of bottom plate (215) all is provided with pull rod (214).
2. A low noise medium pressure fan according to claim 1, wherein: the top end of each sliding rod (114) is fixedly connected with a sponge pad (117), the outer surface of each sliding rod (114) is sleeved with a first spring (115), the top end of each first spring (115) is fixedly connected with the bottom surface of a sliding ring (116), and the bottom end of each first spring (115) is fixedly connected with the inner bottom wall of the casing (101).
3. A low noise medium pressure fan according to claim 1, wherein: the upper surface of the bottom plate (215) is fixedly connected with two symmetrical rubber pads (202), and the upper surface of each rubber pad (202) is fixedly connected with the bottom surface of the machine shell (101).
4. A low noise medium pressure fan according to claim 1, wherein: the upper surface of each connecting rod (207) is fixedly connected with a first sliding block (203) matched with the first sliding groove (205), and the top end of the first sliding block (203) is connected inside the first sliding groove (205) in a sliding mode.
5. A low noise medium pressure fan according to claim 1, wherein: a second spring (210) is fixedly connected to the inside of each second sliding groove (209), and one ends, close to each other, of the two second springs (210) are fixedly connected with one side faces, close to each other, of the two moving rods (208) respectively.
6. A low noise medium pressure fan according to claim 1, wherein: every the surface of pulley (213) all twines and is connected with steel wire (211), two the one end that is close to each other of steel wire (211) respectively with two carriage release lever (208) a side fixed connection who keeps away from each other, every one end that carriage release lever (208) were kept away from in steel wire (211) all runs through bottom plate (215) and with two pull rod (214) a side fixed connection that is close to each other.
7. A low noise medium pressure fan according to claim 1, wherein: the upper surface fixed connection of motor (111) has second down tube (107), the top of second down tube (107) is articulated through the round pin axle is fixed to have first down tube (106), the inside fixed connection of the top of first down tube (106) and casing (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920052920.6U CN209781244U (en) | 2019-01-14 | 2019-01-14 | Low-noise medium-pressure fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920052920.6U CN209781244U (en) | 2019-01-14 | 2019-01-14 | Low-noise medium-pressure fan |
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| Publication Number | Publication Date |
|---|---|
| CN209781244U true CN209781244U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920052920.6U Active CN209781244U (en) | 2019-01-14 | 2019-01-14 | Low-noise medium-pressure fan |
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| Country | Link |
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| CN (1) | CN209781244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343846A (en) * | 2020-11-17 | 2021-02-09 | 江苏恒康机电有限公司 | Automatic lubrication type low-noise explosion-proof fan with good anti-seismic performance |
-
2019
- 2019-01-14 CN CN201920052920.6U patent/CN209781244U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112343846A (en) * | 2020-11-17 | 2021-02-09 | 江苏恒康机电有限公司 | Automatic lubrication type low-noise explosion-proof fan with good anti-seismic performance |
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