CN111503026B - Slant air outlet centrifugal fan - Google Patents

Slant air outlet centrifugal fan Download PDF

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Publication number
CN111503026B
CN111503026B CN202010279432.6A CN202010279432A CN111503026B CN 111503026 B CN111503026 B CN 111503026B CN 202010279432 A CN202010279432 A CN 202010279432A CN 111503026 B CN111503026 B CN 111503026B
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CN
China
Prior art keywords
fixed
side wall
air outlet
connecting pipe
guide sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010279432.6A
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Chinese (zh)
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CN111503026A (en
Inventor
梁忠义
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Lingfeng Environmental Protection Technology Co ltd
Original Assignee
JIELONG FAN FACTORY TAIZHOU CI
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIELONG FAN FACTORY TAIZHOU CI filed Critical JIELONG FAN FACTORY TAIZHOU CI
Priority to CN202010279432.6A priority Critical patent/CN111503026B/en
Priority to PCT/CN2020/098675 priority patent/WO2021203558A1/en
Publication of CN111503026A publication Critical patent/CN111503026A/en
Application granted granted Critical
Publication of CN111503026B publication Critical patent/CN111503026B/en
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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
    • 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
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F04D29/4226—Fan casings
    • 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
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/663—Sound attenuation
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • 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
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards

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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 discloses a centrifugal ventilator with an oblique air outlet, which comprises a volute, a motor, a rotating shaft and a bottom bracket, wherein an impeller is fixed on the rotating shaft; the air outlet of the volute is connected with a filtering connecting pipe; an annular raised ring is formed on the inner side wall of the lower end of the filtering connecting pipe, and the air guide sleeve is inserted and sleeved in the filtering connecting pipe. The air outlet of the volute is arranged downwards to meet the installation requirement, and meanwhile, the filtering connecting pipe is arranged at the air outlet to filter, so that impurities such as dust particles and the like are reduced in a subsequent pipeline communicated with the filtering connecting pipe, the noise of subsequent conveying is reduced, and the effect is good.

Description

Slant air outlet centrifugal fan
The technical field is as follows:
the invention relates to the technical field of ventilation equipment, in particular to a centrifugal ventilator with an oblique air outlet.
Background art:
among the current centrifugal fan, its general air outlet is vertical ascending, need adopt the structure of air-out downwards in some specific environment, and now do not, can only blow the direction through the connecting pipe, and its effect is limited, and simultaneously, the air outlet does not generally have filtering mechanism for have dust or large granule material etc. during the air-out, can have a large amount of particles in the pipeline with the air outlet intercommunication and collide in the pipeline, and produce a large amount of noises, influence the use.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides a centrifugal ventilator with an inclined air outlet.
The technical solution of the invention is as follows:
a centrifugal ventilator with an oblique air outlet comprises a volute, a motor, a rotating shaft and a bottom bracket, wherein an impeller is fixed on the rotating shaft, the volute is fixed on the bottom bracket, a gear box is fixed on the bottom bracket, an output shaft of the gear box is connected with the rotating shaft through a coupler, a belt pulley is fixed on an input shaft of the gear box, a driving wheel is fixed on an output shaft of the motor, the belt is tensioned on the belt pulley and the driving wheel, and an air outlet of the volute is positioned in an oblique direction at the right side;
the air outlet of the volute is connected with a filtering connecting pipe;
an annular raised ring is formed on the inner side wall of the lower end of the filtering connecting pipe, an air guide sleeve is inserted and sleeved in the filtering connecting pipe, a plurality of air outlet through holes are formed at the edge of a bottom plate of a guide sleeve, a filter screen cylinder is inserted and sleeved in the guide sleeve, the bottom plate of the filter screen cylinder is installed in the middle of the bottom plate of the guide sleeve, an extending edge is formed on the outer side wall of the top of the filter screen cylinder, the extending edge is inserted and sleeved in an annular sealing groove formed on the inner side wall of the upper portion of the guide sleeve, and the extending edge is fixedly connected to the bottom surface of the annular;
the side plate of the filter screen cylinder is a filter screen sleeve.
A plurality of support rods are fixed on the front wall surface and the rear wall surface of the volute, and the bottom ends of the support rods are fixed on the top surface of the main bottom plate.
A support frame is fixed on the main bottom plate, and the gear box is fixed on the support frame.
The filtering connecting pipe is sleeved with a sound insulation elastic sleeve in a sleeved mode, the outer side wall of the bottom end of the sound insulation elastic sleeve is provided with a bottom annular groove, the annular convex ring is nested in the bottom annular groove, and the bottom end of the sound insulation elastic sleeve is fixed with the annular convex ring.
The outer side wall of the sound insulation elastic sleeve is fixed on the inner side wall of the filtering connecting pipe.
The top surface of the sound insulation elastic sleeve is fixedly provided with a connecting ring, the outer side wall of the upper part of the guide sleeve is provided with a radial extension edge, and the radial extension edge is fixedly connected to the top surface of the connecting ring through a bolt.
The inside wall of the sound-insulation elastic sleeve is a conical inside wall with a large upper diameter and a small lower diameter, the outside wall of the guide sleeve is a conical outer wall, and the conical outer wall is tightly attached to the conical inside wall of the sound-insulation elastic sleeve.
The invention has the beneficial effects that: it sets up the air outlet of spiral case downwards, satisfies the installation needs, and simultaneously, it filters the connecting pipe in air outlet department installation for reduce impurity such as dust granule in the follow-up pipeline of filtering the connecting pipe intercommunication, thereby reduce the noise of follow-up transport, its is effectual.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial left side view of the present invention;
fig. 3 is a partial sectional view of a filtering connection pipe of the present invention.
The specific implementation mode is as follows:
example (b): as shown in fig. 1 to 3, the centrifugal ventilator includes a volute 1, a motor 20, a rotating shaft 30 fixed with an impeller, and a bottom bracket 40, wherein the volute 1 is fixed on the bottom bracket 40, a gear box 50 is fixed on the bottom bracket 40, an output shaft 501 of the gear box 50 is connected with the rotating shaft 30 through a coupling, an input shaft of the gear box 50 is fixed with a belt pulley 60, an output shaft of the motor 20 is fixed with a driving wheel 201, a belt 70 is tensioned on the belt pulley 60 and the driving wheel 201, and an air outlet 11 of the volute 1 is positioned in an oblique direction at the right side;
a filtering connecting pipe 12 is communicated with an air outlet 11 of the volute 1;
an annular raised ring 13 is formed on the inner side wall of the lower end of the filtering connecting pipe 12, the air guide sleeve 14 is inserted in the filtering connecting pipe 12, a plurality of air outlet through holes 141 are formed at the edge of the bottom plate of the guide sleeve 14, the filter screen cylinder 15 is inserted in the guide sleeve 14, the bottom plate of the filter screen cylinder 15 is installed in the middle of the bottom plate of the guide sleeve 14, an extending edge 151 is formed on the outer side wall of the top of the filter screen cylinder 15, the extending edge 151 is inserted in an annular sealing groove 142 formed on the inner side wall of the upper portion of the guide sleeve 14, and the extending edge 151 is fixedly connected to the bottom surface of the annular sealing groove 142 through bolts;
the side plate of the filter screen cylinder 15 is a filter screen sleeve.
Furthermore, a plurality of support rods 3 are fixed on the front wall surface and the rear wall surface of the volute 1, and the bottom ends of the support rods 3 are fixed on the top surface of the main bottom plate 41.
Further, a support frame 42 is fixed on the main base plate 41, and the gear box 50 is fixed on the support frame 42.
Furthermore, a sound-insulating elastic sleeve 16 is inserted into the filtering connecting pipe 12, a bottom annular groove 161 is formed in the outer side wall of the bottom end of the sound-insulating elastic sleeve 16, the annular raised ring 13 is inserted into the bottom annular groove 161, and the bottom end of the sound-insulating elastic sleeve 16 is fixed to the annular raised ring 13.
Further, the outer side wall of the soundproof elastic case 16 is fixed to the inner side wall of the filtering connection pipe 12.
Further, the coupling ring 162 is fixed to the top surface of the soundproof elastic sleeve 16, and the upper outer side wall of the guide sleeve 14 has a radially extending side 143, and the radially extending side 143 is fixedly coupled to the top surface of the coupling ring 162 by bolts.
Further, the inner side wall of the elastic sound-insulating sleeve 16 is a tapered inner side wall with a larger upper diameter and a smaller lower diameter, and the outer side wall of the guide sleeve 14 is a tapered outer wall, and the tapered outer wall is tightly attached to the tapered inner side wall of the elastic sound-insulating sleeve 16.
The working principle is as follows: when the air conditioner is used, the motor 20 operates, the driving wheel 201 drives the belt 70 to operate, so that the belt pulley 60 operates, the impeller operates, and air is exhausted;
then, the wind enters the filter screen cylinder 15, the wind is discharged into the guide sleeve 14 after being filtered by the side plate of the filter screen cylinder 15, the filtered gas is discharged from the plurality of wind outlet through holes 141 formed at the edge of the bottom plate of the guide sleeve 14, and enters the subsequent equipment communicated with the filter connecting pipe 12, and the filtered dust is accumulated in the filter screen cylinder 15, after reaching a certain amount, the filter connecting pipe 12 can be detached (the filter connecting pipe 12 is connected with the wind outlet 11 of the volute 1 by a bolt, meanwhile, the other end of the filter connecting pipe 12 is also connected with the subsequent pipeline by a bolt, so that the communication is realized, and after the filter connecting pipe 12 can be directly detached, the filter screen cylinder 15 is detached and then replaced, which is very convenient.
The sound insulation elastic sleeve 16 can reduce vibration and noise and has good effect.
In this embodiment, the motor 20 can be electrically connected to a control host through an electrical connection line, and the control host is a variety of controllers available in the market, and is well known and not described in detail.

Claims (3)

1. The utility model provides a slant air outlet centrifugal fan, includes spiral case (1), motor (20), is fixed with axis of rotation (30) and bottom suspension (40) of impeller, its characterized in that: the volute (1) is fixed on the bottom bracket (40), the gear box (50) is fixed on the bottom bracket (40), an output shaft (501) of the gear box (50) is connected with the rotating shaft (30) through a coupler, a belt pulley (60) is fixed on an input shaft of the gear box (50), a driving wheel (201) is fixed on an output shaft of the motor (20), a belt (70) is tensioned on the belt pulley (60) and the driving wheel (201), and an air outlet (11) of the volute (1) is positioned in an oblique direction at the right side;
a filtering connecting pipe (12) is communicated with an air outlet (11) of the volute (1);
an annular raised ring (13) is formed on the inner side wall of the lower end of the filtering connecting pipe (12), the air guide sleeve (14) is inserted in the filtering connecting pipe (12), a plurality of air outlet through holes (141) are formed in the edge of the bottom plate of the guide sleeve (14), the filter screen cylinder (15) is inserted in the guide sleeve (14), the bottom plate of the filter screen cylinder (15) is installed in the middle of the bottom plate of the guide sleeve (14), an extending edge (151) is formed on the outer side wall of the top of the filter screen cylinder (15), the extending edge (151) is inserted in an annular sealing groove (142) formed on the inner side wall of the upper portion of the guide sleeve (14), and the extending edge (151) is fixedly connected to the bottom surface of the annular sealing groove (142) through bolts;
the side plate of the filter screen cylinder (15) is a filter screen sleeve;
a sound-insulating elastic sleeve (16) is inserted into the filtering connecting pipe (12), the outer side wall of the bottom end of the sound-insulating elastic sleeve (16) is provided with a bottom annular groove (161), the annular raised ring (13) is nested in the bottom annular groove (161), and the bottom end of the sound-insulating elastic sleeve (16) is fixed with the annular raised ring (13);
a connecting ring (162) is fixed on the top surface of the sound insulation elastic sleeve (16), a radial extension edge (143) is arranged on the outer side wall of the upper part of the guide sleeve (14), and the radial extension edge (143) is fixedly connected to the top surface of the connecting ring (162) through a bolt;
the inner side wall of the sound insulation elastic sleeve (16) is a conical inner side wall with the diameter of the upper part larger than that of the lower part smaller than that of the lower part, the outer side wall of the guide sleeve (14) is a conical outer wall, and the conical outer wall is tightly attached to the conical inner side wall of the sound insulation elastic sleeve (16);
a plurality of support rods (3) are fixed on the front wall surface and the rear wall surface of the volute (1), and the bottom ends of the support rods (3) are fixed on the top surface of the main bottom plate (41).
2. The inclined air outlet centrifugal ventilator according to claim 1, wherein: a supporting frame (42) is fixed on the main bottom plate (41), and a gear box (50) is fixed on the supporting frame (42).
3. The inclined air outlet centrifugal ventilator according to claim 1, wherein: the outer side wall of the sound insulation elastic sleeve (16) is fixed on the inner side wall of the filtering connecting pipe (12).
CN202010279432.6A 2020-04-10 2020-04-10 Slant air outlet centrifugal fan Active CN111503026B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202010279432.6A CN111503026B (en) 2020-04-10 2020-04-10 Slant air outlet centrifugal fan
PCT/CN2020/098675 WO2021203558A1 (en) 2020-04-10 2020-06-29 Centrifugal ventilator having oblique air outlet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010279432.6A CN111503026B (en) 2020-04-10 2020-04-10 Slant air outlet centrifugal fan

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Publication Number Publication Date
CN111503026A CN111503026A (en) 2020-08-07
CN111503026B true CN111503026B (en) 2021-06-15

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WO (1) WO2021203558A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114439774A (en) * 2022-02-16 2022-05-06 浙江马尔风机有限公司 Ultralow-noise energy-saving centrifugal fan
CN114909306A (en) * 2022-05-07 2022-08-16 张杭 Dust filtration type centrifugal fan with automatic cleaning mechanism
CN118482014A (en) * 2024-05-14 2024-08-13 星空智能装备(安徽)有限公司 Magnetic suspension blower

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CN2576360Y (en) * 2002-10-08 2003-10-01 江苏南方涂装环保股份有限公司 Improved moveable smoke-dust purifying device
JP3488126B2 (en) * 1999-03-30 2004-01-19 松下エコシステムズ株式会社 Air curtain
CN202485402U (en) * 2012-03-16 2012-10-10 青岛亿明翔精细化工科技有限公司 Material collection device of 1,3-Cyclohexanedione special flash dryer

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JP3488126B2 (en) * 1999-03-30 2004-01-19 松下エコシステムズ株式会社 Air curtain
JP2001003898A (en) * 1999-06-23 2001-01-09 Sanyo Electric Co Ltd Electric blower and vacuum cleaner using it
CN2576360Y (en) * 2002-10-08 2003-10-01 江苏南方涂装环保股份有限公司 Improved moveable smoke-dust purifying device
CN202485402U (en) * 2012-03-16 2012-10-10 青岛亿明翔精细化工科技有限公司 Material collection device of 1,3-Cyclohexanedione special flash dryer

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Publication number Publication date
CN111503026A (en) 2020-08-07
WO2021203558A1 (en) 2021-10-14

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GR01 Patent grant
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Effective date of registration: 20230620

Address after: No. 35, Chuangye Road, Chengdong Neighborhood Committee, Decheng Street, Deqing County, Zhaoqing, Guangdong Province, 526000

Patentee after: Guangdong Lingfeng Environmental Protection Technology Co.,Ltd.

Address before: 318050 Sanjin village, Jinqing Town, Luqiao District, Taizhou City, Zhejiang Province

Patentee before: TAIZHOU JIELONG FAN FACTORY

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: A centrifugal fan with oblique air outlet

Granted publication date: 20210615

Pledgee: Agricultural Bank of China Limited Deqing County Branch

Pledgor: Guangdong Lingfeng Environmental Protection Technology Co.,Ltd.

Registration number: Y2024980041468