CN112268019A - Installation process of centrifugal fan - Google Patents
Installation process of centrifugal fan Download PDFInfo
- Publication number
- CN112268019A CN112268019A CN202011168416.6A CN202011168416A CN112268019A CN 112268019 A CN112268019 A CN 112268019A CN 202011168416 A CN202011168416 A CN 202011168416A CN 112268019 A CN112268019 A CN 112268019A
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- air
- cabinet
- stabilizing frame
- hole
- fixing bolt
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention belongs to the field of centrifugal fans, and particularly relates to a centrifugal fan mounting process, which comprises the following steps: selecting the installation position of a centrifugal fan, and sequentially installing a motor, a transmission rod, a connecting sleeve, a stabilizing frame and a fan cabinet; the positioning groove on the fan cabinet is inserted and installed corresponding to the fixing bolt on the stabilizing frame to complete the mechanical connection of the connecting stabilizing frame and the fan cabinet; the controller controls the air pump in the stabilizing frame to pre-tighten the blind hole in the fixing bolt for air supply, so that a pre-tightening effect is achieved between the fixing bolt and the clamping block; after the pre-tightening air supply is finished, the electromagnetic valve is closed to complete the connection of the stabilizing frame and the air cabinet; the compressed elastic air bag is used for filling the movable gap between the fixed bolt and the positioning groove, and the situation that the installation and the disassembly are difficult or the connection is loose easily caused by the fact that the reserved gap between the positioning groove and the fixed bolt is too small or too large due to processing errors in the installation process is avoided in sequence, and the normal use is influenced.
Description
Technical Field
The invention belongs to the field of centrifugal fans, and particularly relates to an installation process of a centrifugal fan.
Background
The centrifugal fan is a driven fluid machine which is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial kilns, cooling and ventilation of air conditioning equipment and household electrical equipment, drying and sorting of grains, air supply of wind tunnels and inflation and propulsion of air cushion boats and the like.
In the process of implementing the invention, the inventor finds that at least the following problems in the prior art are not solved: 1. the existing diversion supercharging energy-saving centrifugal fan is often integrally arranged, so that the direction of an air outlet is fixed, and the direction of air outlet cannot be changed; 2. the existing diversion supercharging energy-saving centrifugal fan has general stability, so that the device is easy to shake in the using process.
Therefore, the mounting process of the centrifugal fan is provided.
Disclosure of Invention
The invention aims to provide an installation process of a centrifugal fan, which can randomly change the position of an air outlet of the centrifugal fan, improve the application range of the device, avoid influencing the work of the device, improve the connection stability and effectively reduce the shaking amplitude during work.
In order to achieve the purpose, the invention provides the following technical scheme: a centrifugal fan mounting process comprises the following steps:
s1: selecting the installation position of a centrifugal fan, and sequentially connecting a motor, a transmission rod, a connecting sleeve, a stabilizing frame and a fan cabinet on a base of the centrifugal fan along the length direction of the base;
s2: s1, inserting and mounting a positioning groove on the fan cabinet corresponding to a fixing bolt on the stabilizing frame, wherein in the inserting and mounting process, the positioning groove extrudes an elastic air bag at the end part of the fixing bolt to exhaust air, meanwhile, a clamping block in the positioning groove is clamped in a connecting hole on the fixing bolt, and the clamping block abuts against the top of an ejection block in the connecting hole to complete the mechanical connection of the connecting stabilizing frame and the fan cabinet;
s3: after the mechanical connection part in the S2 is installed, the controller controls the air pump in the stabilizing frame to pre-tighten the blind hole in the fixing bolt for air supply, on one hand, the air supply is used for filling the space in the blind hole, and the ejection block is pre-jacked upwards for a certain distance, so that the fixture block has allowance in the connecting hole or the mounting hole of the positioning groove, a pre-tightening effect is achieved among the fixture block, the ejection block and the spring, and a pre-tightening effect is achieved among the fixing bolt and the fixture block;
s4: after the pre-tightening air supply in the S3 is finished, closing the electromagnetic valve to complete the connection of the stabilizing frame and the air cabinet; under the action of a sealing ring on the circumference of the ejection block, the sealing effect of the environment in the blind hole and the connecting hole is realized;
s5: when the direction of an air outlet on the fan cabinet needs to be changed or the centrifugal fan needs to be disassembled and recycled, the electromagnetic valve is opened, the air pump is controlled by the controller to continuously supply air to the blind hole, the fan cabinet is pulled out after the fixture block is ejected out of the connecting hole, and the disassembly is finished; at the moment, because the elastic air bag is separated from a compressed state, the gas in the blind hole and the connecting hole gradually flows to the elastic air bag, the two ejection blocks are close to each other under the action of magnetic force, and when the air pressure in the elastic air bag is constant, the disassembly work is finished;
the centrifugal fan used in S1 includes a base; the base is sequentially connected with the motor, the transmission rod, the connecting sleeve, the stabilizing frame and the wind cabinet along the length direction; the stabilizing frame and the air cabinet are matched and fixedly installed through a plurality of fixing bolts and positioning grooves which are correspondingly arranged; a blind hole is formed in the fixing bolt; an air pump is arranged in the stabilizing frame and is communicated with the blind hole and supplies air to the blind hole; the electromagnetic valve is arranged at the communication part of the blind hole and the air pump and is electrically connected with an external controller; a connecting hole is formed in one side, away from the stabilizing frame, of the fixing bolt; the connecting hole penetrates through the fixing bolt, is communicated with the blind hole and is arranged in a T shape; two ejection blocks are arranged in the connecting hole in a mirror image mode about the axis of the blind hole; one side of the ejection block close to the air pump is an inclined plane; and a mounting hole is formed in the position, corresponding to the connecting hole, in the positioning groove, and a clamping block is connected in the mounting hole through a spring.
Preferably, an elastic air bag is arranged at the end part of the fixing bolt far away from the stabilizing frame; the elastic air bag is communicated with the blind hole through a communication hole;
preferably, the depth of the positioning groove is 0.5-1cm greater than the distance from the connecting hole to one end of the fixing bolt far away from the air pump;
preferably, magnets are arranged on the opposite surfaces of the two ejection blocks, and sealing rubber rings are arranged on the circumferences of the extension ends of the ejection blocks.
Preferably, one end of the transmission rod is provided with an impeller, the impeller is positioned on the inner side of the fan cabinet, and the connecting sleeve is movably connected with the fan cabinet through a through hole; an air inlet is formed in one side of the fan cabinet, and an air outlet is formed in one end of the fan cabinet; the other side of the fan cabinet is provided with a through hole; and a movable door is arranged on the outer side of the air cabinet.
Preferably, the motor and the stabilizing frame are fixedly connected with the top end of the base, and the air pump is in transmission connection with the plurality of groups of blind holes.
Compared with the prior art, the invention has the beneficial effects that:
1. the positioning groove on the fan cabinet is inserted and installed corresponding to the fixing bolt on the stabilizing frame, and the positioning groove extrudes the elastic air bag at the end part of the fixing bolt to exhaust air in the inserting process, so that the movable gap between the fixing bolt and the positioning groove is filled by utilizing the compressed elastic air bag, and the situation that the reserved gap between the positioning groove and the fixing bolt is too small due to processing errors in the installing process, so that the installing and the disassembling are difficult is avoided in sequence; also avoided in the installation too big between the constant head tank and the gim peg because of the processing error messenger reserved clearance, the comparatively not hard up condition of connection that leads to appears, influences normal use to improve centrifugal fan's result of use.
2. After the mechanical connection part is installed, the air pump in the stabilizing frame is controlled by the controller to pre-tighten and supply air to the blind holes in the fixing bolts, on one hand, the supplied air is used for filling the space in the blind holes, and the ejection block is pre-ejected upwards for a certain distance, so that the clamping block has allowance in the connecting hole or the mounting hole of the positioning groove, the clamping block is prevented from completely entering the mounting hole, when the fan cabinet is laterally displaced due to vibration, only the spring plays a role in blocking, the fan cabinet is prevented from being separated from the stabilizing block due to failure of the spring, the pre-tightening effect among the clamping block, the ejection block and the spring is realized, the anti-dislocation capacity between the positioning groove and the fixing bolt is further enhanced, and the stability of the fan cabinet in the long-time use process; on the other hand, the supplied gas acts on the compressed elastic air bag, so that the elastic air bag further abuts against a gap between the positioning groove and the fixing bolt, the pre-tightening effect between the fixing bolt and the clamping block is realized, and the stability of the air cabinet in the long-time use process is further ensured.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic distribution diagram of positioning slots on a blower cabinet according to the present invention;
fig. 3 is a combination view of the stabilizer and the positioning groove of the present invention.
In the figure: the air-conditioning fan comprises a base 1, a motor 2, a transmission rod 3, a connecting sleeve 4, a stabilizing frame 5, a movable door 6, a fan cabinet 7, an air inlet 8, an air outlet 9, a through opening 10, a positioning groove 11, an air pump 12, a blind hole 13, a connecting hole 14, an ejection block 15, a fixing bolt 16, a mounting hole 17, a clamping block 18, an elastic air bag 19 and a communicating hole 20.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the present invention provides a technical solution:
a centrifugal fan mounting process comprises the following steps:
s1: selecting the installation position of a centrifugal fan, and sequentially connecting a motor, a transmission rod, a connecting sleeve, a stabilizing frame and a fan cabinet on a base of the centrifugal fan along the length direction of the base;
s2: s1, inserting and mounting a positioning groove on the fan cabinet corresponding to a fixing bolt on the stabilizing frame, wherein in the inserting and mounting process, the positioning groove extrudes an elastic air bag at the end part of the fixing bolt to exhaust air, meanwhile, a clamping block in the positioning groove is clamped in a connecting hole on the fixing bolt, and the clamping block abuts against the top of an ejection block in the connecting hole to complete the mechanical connection of the connecting stabilizing frame and the fan cabinet;
s3: after the mechanical connection part in the S2 is installed, the controller controls the air pump in the stabilizing frame to pre-tighten the blind hole in the fixing bolt for air supply, on one hand, the air supply is used for filling the space in the blind hole, and the ejection block is pre-jacked upwards for a certain distance, so that the fixture block has allowance in the connecting hole or the mounting hole of the positioning groove, a pre-tightening effect is achieved among the fixture block, the ejection block and the spring, and a pre-tightening effect is achieved among the fixing bolt and the fixture block;
s4: after the pre-tightening air supply in the S3 is finished, closing the electromagnetic valve to complete the connection of the stabilizing frame and the air cabinet; under the action of a sealing ring on the circumference of the ejection block, the sealing effect of the environment in the blind hole and the connecting hole is realized;
s5: when the direction of an air outlet on the fan cabinet needs to be changed or the centrifugal fan needs to be disassembled and recycled, the electromagnetic valve is opened, the air pump is controlled by the controller to continuously supply air to the blind hole, the fan cabinet is pulled out after the fixture block is ejected out of the connecting hole, and the disassembly is finished; at the moment, because the elastic air bag is separated from a compressed state, the gas in the blind hole and the connecting hole gradually flows to the elastic air bag, the two ejection blocks are close to each other under the action of magnetic force, and when the air pressure in the elastic air bag is constant, the disassembly work is finished;
the centrifugal fan used in S1 includes a base 1; the base 1 is sequentially connected with a motor 2, a transmission rod 3, a connecting sleeve 4, a stabilizing frame 5 and a fan cabinet 7 along the length direction; the stabilizing frame 5 and the fan cabinet 7 are matched and fixedly installed through a plurality of fixing bolts 16 and positioning grooves 11 which are correspondingly arranged; a blind hole 13 is formed in the fixing bolt 16; an air pump 12 is arranged in the stabilizing frame 5, and the air pump 12 is communicated with the blind hole 13 and supplies air to the blind hole 13; the electromagnetic valve is arranged at the communication part of the blind hole 13 and the air pump 12 and is electrically connected with an external controller; a connecting hole 14 is formed in one side, away from the stabilizing frame 5, of the fixing bolt 16; the connecting hole 14 penetrates through the fixing bolt 16, is communicated with the blind hole 13 and is arranged in a T shape; two ejection blocks 15 are arranged in the connecting hole 14 in a mirror image mode relative to the axial lead of the blind hole 13; one side of the ejection block 15 close to the air pump 12 is an inclined plane; and a mounting hole 17 is formed in the positioning groove 11 at a position corresponding to the connecting hole 14, and a clamping block 18 is connected in the mounting hole 17 through a spring.
When the fan cabinet is in work, the base 1 is fixed and placed, the motor 2 is stably installed at the top end of the base 1, the transmission rod 3 is in transmission connection with the motor 2, the other end of the transmission rod 3 is fixedly connected with the impeller, the connecting sleeve 4 is installed on the outer side of the transmission rod 3, the outer side of the connecting sleeve 4 is in butt joint with the through hole 10, the impeller is installed inside the fan cabinet 7, the motor 2 is started to rotate, the impeller is driven to rotate through the transmission rod 3, airflow is collected through the air inlet 8 and is exhausted from the air outlet 9 after being guided and pressurized by the impeller, wherein the positioning groove 11 in the fan cabinet 7 is in plug-in installation corresponding to the fixing bolt 16 on the stabilizing frame 5, and in the plug-in process, the positioning groove 11 extrudes the elastic air bag 19 at the end part of the fixing bolt 16 to exhaust, so that the movable gap between the fixing bolt, the situation that the reserved gap between the positioning groove 11 and the fixed bolt 16 is too small due to processing errors in the installation process, so that the installation and the disassembly are difficult is avoided in sequence; the situation that the connection is loose due to overlarge reserved clearance between the positioning groove 11 and the fixing bolt 16 caused by processing errors in the installation process is avoided, and the normal use is influenced, so that the use effect of the centrifugal fan is improved; meanwhile, the fixture block 18 in the positioning groove 11 is clamped in the connecting hole 14 on the fixing bolt 16, and the fixture block 18 abuts against the top of the ejection block 15 in the connecting hole 14 to complete the mechanical connection of the stabilizing frame 5 and the wind cabinet 7.
Furthermore, an elastic air bag 19 is arranged at the end part of the fixing bolt 16 far away from the stabilizing frame 5; the elastic air bag 19 is communicated with the blind hole 13 through a communication hole 20.
Further, the depth of the positioning groove 11 is 0.5-1cm greater than the distance from the connecting hole 14 to the end of the fixing bolt 16 far away from the air pump 12.
Furthermore, magnets are arranged on the opposite surfaces of the two ejection blocks 15, and sealing rubber rings are arranged on the circumference of the extending ends of the ejection blocks 15.
Furthermore, one end of the transmission rod 3 is provided with an impeller, the impeller is positioned on the inner side of the fan cabinet 7, and the connecting sleeve 4 is movably connected with the fan cabinet 7 through a through hole 10; an air inlet 8 is formed in one side of the fan cabinet 7, and an air outlet 9 is formed in one end of the fan cabinet 7; the other side of the fan cabinet 7 is provided with a through hole 10; and a movable door 6 is arranged on the outer side of the fan cabinet 7.
Further, the motor 2 and the stabilizing frame 5 are both fixedly connected with the top end of the base 1, and the air pump 12 is in transmission connection with the plurality of groups of blind holes 13.
The specific working process is as follows:
when the fan cabinet is in work, the base 1 is fixed and placed, the motor 2 is stably installed at the top end of the base 1, the transmission rod 3 is in transmission connection with the motor 2, the other end of the transmission rod 3 is fixedly connected with the impeller, the connecting sleeve 4 is installed on the outer side of the transmission rod 3, the outer side of the connecting sleeve 4 is in butt joint with the through hole 10, the impeller is installed inside the fan cabinet 7, the motor 2 is started to rotate, the impeller is driven to rotate through the transmission rod 3, airflow is collected through the air inlet 8 and is exhausted from the air outlet 9 after being guided and pressurized by the impeller, wherein the positioning groove 11 in the fan cabinet 7 is in plug-in installation corresponding to the fixing bolt 16 on the stabilizing frame 5, and in the plug-in process, the positioning groove 11 extrudes the elastic air bag 19 at the end part of the fixing bolt 16 to exhaust, so that the movable gap between the fixing bolt, the situation that the reserved gap between the positioning groove 11 and the fixed bolt 16 is too small due to processing errors in the installation process, so that the installation and the disassembly are difficult is avoided in sequence; the situation that the connection is loose due to overlarge reserved clearance between the positioning groove 11 and the fixing bolt 16 caused by processing errors in the installation process is avoided, and the normal use is influenced, so that the use effect of the centrifugal fan is improved; meanwhile, the fixture block 18 in the positioning groove 11 is clamped in the connecting hole 14 on the fixing bolt 16, and the fixture block 18 abuts against the top of the ejection block 15 in the connecting hole 14 to complete the mechanical connection between the stabilizing frame 5 and the wind cabinet 7;
after the mechanical connection part is installed, the air pump 12 in the stabilizing frame 5 is controlled by the controller to pre-tighten the blind hole 13 in the fixing bolt 16 for air supply, on one hand, air is supplied to fill the space in the blind hole 13, and the ejection block 15 is pre-ejected upwards for a certain distance, so that the fixture block 18 has allowance in the connecting hole 14 or the mounting hole 17 of the positioning groove 11, the fixture block 18 is prevented from completely entering the mounting hole 17, when the fan cabinet 7 is laterally displaced due to vibration, only the spring plays a role of blocking, the fan cabinet 7 is prevented from being separated from the stabilizing block due to the failure of the spring, the pre-tightening effect among the fixture block 18, the ejection block 15 and the spring is realized, the anti-dislocation capability between the positioning groove 11 and the fixing bolt 16 is further enhanced, and the stability of the fan cabinet 7 in the long-time use process is ensured; on the other hand, the supplied gas acts on the compressed elastic air bag 19, so that the elastic air bag 19 further abuts against the gap between the positioning groove 11 and the fixing bolt 16, the pre-tightening effect between the fixing bolt 16 and the fixture block 18 is realized, and the stability of the air cabinet 7 in the long-time use process is further ensured;
the preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The mounting process of the centrifugal fan is characterized by comprising the following steps of:
s1: selecting the installation position of a centrifugal fan, and sequentially connecting a motor, a transmission rod, a connecting sleeve, a stabilizing frame and a fan cabinet on a base of the centrifugal fan along the length direction of the base;
s2: s1, inserting and mounting a positioning groove on the fan cabinet corresponding to a fixing bolt on the stabilizing frame, wherein in the inserting and mounting process, the positioning groove extrudes an elastic air bag at the end part of the fixing bolt to exhaust air, meanwhile, a clamping block in the positioning groove is clamped in a connecting hole on the fixing bolt, and the clamping block abuts against the top of an ejection block in the connecting hole to complete the mechanical connection of the connecting stabilizing frame and the fan cabinet;
s3: after the mechanical connection part in the S2 is installed, the controller controls the air pump in the stabilizing frame to pre-tighten the blind hole in the fixing bolt for air supply, on one hand, the air supply is used for filling the space in the blind hole, and the ejection block is pre-jacked upwards for a certain distance, so that the fixture block has allowance in the connecting hole or the mounting hole of the positioning groove, a pre-tightening effect is achieved among the fixture block, the ejection block and the spring, and a pre-tightening effect is achieved among the fixing bolt and the fixture block;
s4: after the pre-tightening air supply in the S3 is finished, closing the electromagnetic valve to complete the connection of the stabilizing frame and the air cabinet; under the action of a sealing ring on the circumference of the ejection block, the sealing effect of the environment in the blind hole and the connecting hole is realized;
s5: when the direction of an air outlet on the fan cabinet needs to be changed or the centrifugal fan needs to be disassembled and recycled, the electromagnetic valve is opened, the air pump is controlled by the controller to continuously supply air to the blind hole, the fan cabinet is pulled out after the fixture block is ejected out of the connecting hole, and the disassembly is finished; at the moment, because the elastic air bag is separated from a compressed state, the gas in the blind hole and the connecting hole gradually flows to the elastic air bag, the two ejection blocks are close to each other under the action of magnetic force, and when the air pressure in the elastic air bag is constant, the disassembly work is finished;
the centrifugal fan used in the above S1 includes a base (1); the base (1) is sequentially connected with a motor (2), a transmission rod (3), a connecting sleeve (4), a stabilizing frame (5) and a fan cabinet (7) along the length direction; the stabilizing frame (5) and the air cabinet (7) are fixedly installed in a matched mode through a plurality of fixing bolts (16) and positioning grooves (11) which are correspondingly arranged; a blind hole (13) is formed in the fixing bolt (16); an air pump (12) is arranged in the stabilizing frame (5), and the air pump (12) is communicated with the blind hole (13) and supplies air to the blind hole (13); the electromagnetic valve is arranged at the communication part of the blind hole (13) and the air pump (12) and is electrically connected with an external controller; a connecting hole (14) is formed in one side, away from the stabilizing frame (5), of the fixing bolt (16); the connecting hole (14) penetrates through the fixing bolt (16), is communicated with the blind hole (13) and is arranged in a T shape; two ejection blocks (15) are arranged in the connecting hole (14) in a mirror image mode relative to the axial lead of the blind hole (13); one side of the ejection block (15) close to the air pump (12) is an inclined plane; and a mounting hole (17) is formed in the positioning groove (11) at a position corresponding to the connecting hole (14), and a clamping block (18) is connected into the mounting hole (17) through a spring.
2. The mounting process of a centrifugal fan according to claim, wherein: an elastic air bag (19) is arranged at the end part of the fixing bolt (16) far away from the stabilizing frame (5); the elastic air bag (19) is communicated with the blind hole (13) through a communication hole (20).
3. The mounting process of a centrifugal fan according to claim, wherein: the depth of the positioning groove (11) is 0.5-1cm greater than the distance from the connecting hole (14) to one end of the fixed bolt (16) far away from the air pump (12).
4. The mounting process of a centrifugal fan according to claim, wherein: magnets are arranged on the opposite surfaces of the two ejection blocks (15), and sealing rubber rings are arranged on the circumference of the extending ends of the ejection blocks (15).
5. The mounting process for a centrifugal fan of claim, wherein; one end of the transmission rod (3) is provided with an impeller, the impeller is positioned on the inner side of the fan cabinet (7), and the connecting sleeve (4) is movably connected with the fan cabinet (7) through a through hole (10); an air inlet (8) is formed in one side of the air cabinet (7), and an air outlet (9) is formed in one end of the air cabinet (7); the other side of the fan cabinet (7) is provided with a through hole (10); and a movable door (6) is arranged on the outer side of the air cabinet (7).
6. The mounting process for a centrifugal fan of claim, wherein; the motor (2) and the stabilizing frame (5) are fixedly connected with the top end of the base (1), and the air pump (12) is in transmission connection with the blind holes (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011168416.6A CN112268019A (en) | 2020-10-28 | 2020-10-28 | Installation process of centrifugal fan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011168416.6A CN112268019A (en) | 2020-10-28 | 2020-10-28 | Installation process of centrifugal fan |
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| CN112268019A true CN112268019A (en) | 2021-01-26 |
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|---|---|---|---|
| CN202011168416.6A Pending CN112268019A (en) | 2020-10-28 | 2020-10-28 | Installation process of centrifugal fan |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11122U (en) * | 1989-09-14 | 1999-09-07 | フォード モーター カンパニー | Low noise cooling fan for variable speed machines |
| CN209115374U (en) * | 2018-12-01 | 2019-07-16 | 佛山市龙勤光源机电设备有限公司 | A kind of double air inlet box-type centrifugal fans for the backswept impeller that air quantity is big, pressure is high |
| CN110864001A (en) * | 2019-12-18 | 2020-03-06 | 远东双诚风机(江苏)有限公司 | High-efficiency low-vibration low-noise centrifugal fan |
| CN210919513U (en) * | 2019-10-16 | 2020-07-03 | 苏州施威克环保科技有限公司 | Centrifugal fan control device |
| CN211648504U (en) * | 2019-11-26 | 2020-10-09 | 浙江当代风机有限公司 | Novel centrifugal fan |
-
2020
- 2020-10-28 CN CN202011168416.6A patent/CN112268019A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11122U (en) * | 1989-09-14 | 1999-09-07 | フォード モーター カンパニー | Low noise cooling fan for variable speed machines |
| CN209115374U (en) * | 2018-12-01 | 2019-07-16 | 佛山市龙勤光源机电设备有限公司 | A kind of double air inlet box-type centrifugal fans for the backswept impeller that air quantity is big, pressure is high |
| CN210919513U (en) * | 2019-10-16 | 2020-07-03 | 苏州施威克环保科技有限公司 | Centrifugal fan control device |
| CN211648504U (en) * | 2019-11-26 | 2020-10-09 | 浙江当代风机有限公司 | Novel centrifugal fan |
| CN110864001A (en) * | 2019-12-18 | 2020-03-06 | 远东双诚风机(江苏)有限公司 | High-efficiency low-vibration low-noise centrifugal fan |
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