CN207945094U - A kind of rectangular wall type axial-flow fan - Google Patents

A kind of rectangular wall type axial-flow fan Download PDF

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Publication number
CN207945094U
CN207945094U CN201721919650.1U CN201721919650U CN207945094U CN 207945094 U CN207945094 U CN 207945094U CN 201721919650 U CN201721919650 U CN 201721919650U CN 207945094 U CN207945094 U CN 207945094U
Authority
CN
China
Prior art keywords
shell
louvre blade
protection net
inner casing
flow fan
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.)
Expired - Fee Related
Application number
CN201721919650.1U
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Chinese (zh)
Inventor
樊德泗
樊长春
樊兰珍
范泽锋
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.)
Shaoxing Shangyu Xing Rong Fan Co Ltd
Original Assignee
Shaoxing Shangyu Xing Rong Fan Co Ltd
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 Shaoxing Shangyu Xing Rong Fan Co Ltd filed Critical Shaoxing Shangyu Xing Rong Fan Co Ltd
Priority to CN201721919650.1U priority Critical patent/CN207945094U/en
Application granted granted Critical
Publication of CN207945094U publication Critical patent/CN207945094U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is related to field of ventilation equipment, disclose a kind of rectangular wall type axial-flow fan, including shell, be arranged shell one end the first protection net, be arranged on the first protection net motor, be arranged on the output shaft of motor impeller, be arranged in window blind assembly of the shell far from first protection net one end.The utility model has the following advantages and effect:This programme utilizes new mechanical structure, and by the way that window blind assembly is arranged on shell, the louvre blade in window blind assembly can close up under the effect of gravity, to prevent rainwater from entering in shell;And in the rotation process of louvre blade, the both sides side wall of louvre blade contradicts on arc-like sheet, so as to reduce frictional force of the louvre blade in rotation so that louvre blade can easily open louvre blade to realize air draft under the wind-force effect in wheel rotation.

Description

A kind of rectangular wall type axial-flow fan
Technical field
The utility model is related to field of ventilation equipment, more particularly to a kind of rectangular wall type axial-flow fan.
Background technology
Axial flow blower can be used for the ventilation in the places such as general factory, warehouse, office, premises.
Currently, Authorization Notice No. is CN203847450U, authorized announcement date is that the Chinese patent on the 24th of September in 2014 discloses There is a kind of explosion-proof axial flow fan rectangular outer cage and circular inner casing, inner casing to be built in outer cage, the outer machine One end of shell and inner casing, which is equipped with, is installed on outdoor louver bracket, and the other end of outer cage and inner casing was equipped with air filtering ash The safety net of dirt;The inner casing is equipped with electric machine support, and electric machine support is installed with fire-proof motor, and fire-proof motor is axially set There are wheel hub, wheel hub to be equipped with blade;The louver bracket is equipped with blinds.
This explosion-proof axial flow fan is equipped with multiple blinds close to outdoor one end, and multiple blinds close up under the effect of gravity Rear enclosed explosion-proof axial flow fan prevents rainwater from entering indoor effect, to extend making for explosion-proof axial flow fan to have Use the service life;The side wall of blinds and conflict are on the inner wall of explosion-proof axial flow fan at this time, to improve blinds to explosion-proof axial flow fan Sealing effect;But because the side wall of blinds and the inner wall of explosion-proof axial flow fan are inconsistent so that in blinds rotation process, blinds Contact area between side wall and the inner wall of explosion-proof axial flow fan is larger, the wind generated when causing to work by explosion-proof axial flow fan It is opposite when power opens blinds to be more troublesome.
Utility model content
The purpose of this utility model is to provide a kind of rectangular wall type axial-flow fan, is subject to when being rotated by reducing louvre blade Frictional force, to achieve the effect that be easy to open louvre blade.
The above-mentioned technical purpose of the utility model technical scheme is that:A kind of rectangular wall type axis stream Wind turbine, including shell, the first protection net in the shell one end, the electricity that is arranged on first protection net are set Machine, the impeller being arranged on the output shaft of the motor, be arranged in the shell far from first protection net one end hundred Leaf window assembly, the window blind assembly include setting frame on the housing, are arranged on the both sides inner wall of the frame And the arc-like sheet that extends along vertical direction, the multiple both ends of the frame are rotatably connected on two arc-like sheets and along perpendicular Horizontal rotating shaft from histogram to arranged distribution, it is multiple be separately positioned on the horizontal rotating shaft and under the effect of gravity realize close up The both sides side wall of louvre blade, the louvre blade is contradicted in rotation on two arc-like sheets respectively.
By using said program, when abutment wall formula axial flow blower works, motor impeller is rotated, wheel rotation When the wind-force that generates blow louvre blade open so that air can be discharged, and when abutment wall formula axial flow blower does not work, multiple louvre blade energy It realizes and closes up under the effect of gravity, so as to prevent rainwater from entering in shell;The louvre blade on window blind assembly exists simultaneously Under wind-force effect when being rotated, because the side wall of louvre blade contradicts on arc-like sheet so that the side wall of louvre blade in rotation with Contact area between arc-like sheet is smaller, and frictional force when so as to small reduction louvre blade rotation finally can easily pass through The wind-force generated when wheel rotation opens louvre blade.
The utility model is further arranged to:The top louvre blade close to the end face of the shell under the effect of gravity It overlaps with lower section end face of the louvre blade far from the shell.
By using said program, when the wind-force generated when passing through wheel rotation blows louvre blade open, multiple louvre blades The direction that bottom can be directed away from shell is rotated so that rotation diagonally downward is presented in louvre blade, at this time adjacent blinds The cavity for air circulation is formed between piece be directed away from the direction of shell and extend obliquely downward so that rainwater is drenched when rainwater hundred When on blade, rainwater can downwards slide along louvre blade so that rainwater not easily passs through louvre blade and enters in shell.
The utility model is further arranged to:The window blind assembly further include be fixedly connected on the base of frame and Along the flow deflector that the direction far from the shell is arranged diagonally downward, the louvre blade of bottom is close to the end of the shell Face under the effect of gravity with the top that covers the flow deflector.
By using said program, the bottom of frame is provided with flow deflector, when multiple louvre blades are in closed configuration, If rainwater is poured on louvre blade, rainwater is not easy to enter in shell from the louvre blade of bottom and the bottom of frame.
The utility model is further arranged to:The shell includes outer cage, is arranged in the outer cage and in circle The inner casing of tubular, the one end of the inner casing far from the window blind assembly are connected on the outer cage, the inner casing It is located at the middle part of the outer cage close to one end of the window blind assembly;The window blind assembly and first protection net The both ends of the outer cage are separately positioned on, the impeller is located in the inner casing.
By using said program, shell includes outer cage and inner casing, and impeller is located in inner casing, at this time because of interior machine Shell is cylindrical so that spacing when wheel rotation between the inner wall of inner casing is more uniform, when can increase wheel rotation The negative pressure generated in inner casing so that external air good can enter in inner casing, then be arranged by inner casing Go out;It can be installed for installation motor in the first protection net, and the effect of security protection can be played.
The utility model is further arranged to:The inner casing, which is located on one end in the middle part of the outer cage, is provided with Two protection nets.
By using said program, one end that inner casing is located in the middle part of outer cage is provided with the second protection net, at this time Coordinate the first protection net that can realize to protect the both ends of inner casing, to play protective action to the impeller in rotation.
The utility model is further arranged to:First protection net includes multiple centers along the inner casing Circumferentially the guard ring between multiple connection rings, the connection ring and institute is arranged in the connection ring of array distribution, multi-turn to line It states and is provided through one end rear thread of the connection ring between outer cage and is connected to the first bolt on the outer cage, it is described The second bolt that the connection ring is threaded on the motor is provided through between connection ring and the motor.
By using said program, the first protection net includes connection ring, and the first bolt passes through connection ring rear thread Be connected on outer cage, the second bolt is connected to across connection ring rear thread on motor, to realizing to the first protection net and Motor is detachably connected, convenient to be dismounted to the first protection net and motor.
The utility model is further arranged to:First protection net further include have it is multiple along the inner casing It radially extends and bracing piece fastened to each other with guard ring described in multi-turn respectively.
By using said program, multiple first bracing pieces and multi-turn guard ring are fastened to each other, anti-so as to increase by first The structural strength of protecting wire net cover so that the first protection net is not susceptible to deformation.
The utility model is further arranged to:Multiple tracks reinforcing rib is provided on the blade of the impeller.
By using said program, the reinforcing rib on the blade of impeller can increase the structural strength of impeller so that impeller Deformation is not susceptible in rotary course.
In conclusion the utility model has the advantages that:
1, by the way that window blind assembly is arranged on shell, the louvre blade in window blind assembly can close under the effect of gravity Hold together, to prevent rainwater from entering in shell;And in the rotation process of louvre blade, the both sides side wall of louvre blade is contradicted in arc On piece, so as to reduce frictional force of the louvre blade in rotation so that energy side under wind-force effect of the louvre blade in wheel rotation Just opening louvre blade is to realize air draft;
2, it is respectively arranged with the first protection net and the second protection net at the both ends of inner casing, impeller can prevented Shield, avoids sundries from entering at impeller and breaks down;
3, multiple tracks reinforcing rib is provided on the blade of impeller, so as to realize the intensity of enhancing blade so that blade It is not susceptible to deformation in the long-term use.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the Structure explosion diagram of the utility model;
Fig. 3 is the sectional view at window blind assembly.
Reference numeral:1, shell;11, outer cage;12, inner casing;2, the first protection net;21, connection ring;22, it protects Circle;23, bracing piece;241, the first bolt;242, the second bolt;3, the second protection net;4, motor;5, impeller;51, blade; 52, reinforcing rib;6, window blind assembly;61, frame;62, arc-like sheet;63, horizontal rotating shaft;64, louvre blade;65, flow deflector.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1:A kind of rectangular wall type axial-flow fan, as depicted in figs. 1 and 2, including shell 1, shell 1 include all sides Outer cage 11 that edge is square, the inner casing 12 being fixedly connected in outer cage 11.Inner casing 12 is cylindrical, inner casing 12 One end is fixedly connected on outer cage 11, and the end face of inner casing 12 and the end face of outer cage 11 are in the same plane, and interior machine The other end of shell 12 vacantly at the middle part of outer cage 11, while between the side outer wall and outer cage 11 of inner casing 12 there are Gap.
As depicted in figs. 1 and 2, the first protection net 2 is provided on the end face of outer cage 11, the first protection net 2 covers The opening of one end of the close connection outer cage 11 of lid inner casing 12.First protection net 2 includes four along inner casing 12 Connection ring 21, the multi-turn of center line circumferentially array distribution are fixedly connected on guard ring 22 between multiple connection rings 21, multiple Bracing piece 23.Multiple bracing pieces 23 radially extending and being welded and fixed simultaneously with multiple guard rings 22 along inner casing 12;And One end of center line of the connection ring 21 far from inner casing 12 is provided through 21 rear thread of connection ring and is connected on outer cage 11 First bolt 241.
As depicted in figs. 1 and 2, it is also equipped with motor 4 on the first protection net 2, in connection ring 21 close to inner casing 12 One end of center line be provided through the second bolt 242 that 21 rear thread of connection ring is connected on motor 4, and motor 4 is located at In inner casing 12;The impeller 5 in inner casing 12 is fixedly connected on the output shaft of motor 4 simultaneously, and in the leaf of impeller 5 Piece 51 has been respectively formed on twice reinforcing rib 52.It is also fixedly connected with the second protection net 3 in the other end of inner casing 12, to real Now the both ends open of inner casing 12 is protected so that the rotation of impeller 5 is not easily susceptible to influence.
As described in Fig. 2 and Fig. 3, it is provided with window blind assembly 6 on end face of the outer cage 11 far from the first protection net 2, Window blind assembly 6 includes frame 61, arc-like sheet 62, horizontal rotating shaft 63, louvre blade 64, flow deflector 65.Frame 61 is square and consolidates Surely it is connected on outer cage 11.The tool of arc-like sheet 62 there are two and be respectively fixedly connected with inner wall in 61 both sides of frame and along vertical Direction extends, and two arc-like sheets 62 protrude setting towards direction close to each other.The both ends of horizontal rotating shaft 63 are plugged on two Realize that rotation connection, horizontal rotating shaft 63 have multiple and arrange along vertical direction on a arc-like sheet 62 and between arc-like sheet 62 Distribution.Louvre blade 64 has multiple and is respectively fixedly connected on multiple horizontal rotating shafts 63, and top louvre blade 64 is outside shell The end face of casing 11 overlaps with end face of the lower section louvre blade 64 far from outer cage 11 under the effect of gravity;While louvre blade 64 Both sides side wall is contradicted in rotation on two arc-like sheets 62 respectively.Flow deflector 65 is fixedly connected on the bottom of frame 61, and leads Flow 65 is arranged diagonally downward along the direction far from outer cage 11;The louvre blade 64 of bottom is close to the end of outer cage 11 simultaneously Face under the effect of gravity with covering flow deflector 65 top.
Implementation process:When abutment wall formula axial flow blower works, 4 impeller 5 of motor is rotated, and impeller 5 produces when rotating Raw wind-force blows louvre blade 64 open so that air can be discharged, and when abutment wall formula axial flow blower does not work, multiple louvre blades 64 It can realize and close up under the effect of gravity, so as to prevent rainwater from entering in shell 1;Blinds on window blind assembly 6 simultaneously When piece 64 is rotated under the action of the wind, because the side wall of louvre blade 64 contradicts on arc-like sheet 62 so that the side of louvre blade 64 Contact area of the wall in rotation between arc-like sheet 62 is smaller, frictional force when being rotated so as to small reduction louvre blade 64, most The wind-force generated when can easily be rotated eventually by impeller 5 opens louvre blade 64.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (8)

1. a kind of rectangular wall type axial-flow fan, including shell(1), be arranged in the shell(1)First protection net of one end (2), be arranged in first protection net(2)On motor(4), be arranged in the motor(4)Output shaft on impeller (5), be arranged in the shell(1)Far from first protection net(2)The window blind assembly of one end(6), it is characterised in that:Institute State window blind assembly(6)Including being arranged in the shell(1)On frame(61), be arranged in the frame(61)Both sides inner wall Arc-like sheet that is upper and extending along vertical direction(62), the frame(61)Multiple both ends are rotatably connected on two arc-like sheets (62)The upper and horizontal rotating shaft of arranged distribution along vertical direction(63), multiple be separately positioned on the horizontal rotating shaft(63)It is upper and The louvre blade closed up is realized under the effect of gravity(64), the louvre blade(64)Both sides side wall rotation when contradicted respectively two A arc-like sheet(62)On.
2. a kind of rectangular wall type axial-flow fan according to claim 1, it is characterised in that:The top louvre blade(64)It leans on The nearly shell(1)End face under the effect of gravity with the lower section louvre blade(64)Far from the shell(1)End face be mutually overlapped It is folded.
3. a kind of rectangular wall type axial-flow fan according to claim 2, it is characterised in that:The window blind assembly(6)Also Including being fixedly connected on the frame(61)Bottom and along far from the shell(1)The flow deflector that is arranged diagonally downward of direction (65), the louvre blade of bottom(64)Close to the shell(1)End face under the effect of gravity with cover the flow deflector (65)Top.
4. a kind of rectangular wall type axial-flow fan according to claim 1, it is characterised in that:The shell(1)Including outer machine Shell(11), be arranged in the outer cage(11)Interior and cylindrical inner casing(12), the inner casing(12)Far from described hundred Leaf window assembly(6)One end be connected to the outer cage(11)On, the inner casing(12)Close to the window blind assembly(6)'s One end is located at the outer cage(11)Middle part;The window blind assembly(6)With first protection net(2)It is separately positioned on The outer cage(11)Both ends, the impeller(5)Positioned at the inner casing(12)In.
5. a kind of rectangular wall type axial-flow fan according to claim 4, it is characterised in that:The inner casing(12)Positioned at institute State outer cage(11)The second protection net is provided on the one end at middle part(3).
6. a kind of rectangular wall type axial-flow fan according to claim 4, it is characterised in that:First protection net(2) Including multiple along the inner casing(12)Center line circumferentially array distribution connection ring(21), multi-turn be arranged in multiple institutes State connection ring(21)Between guard ring(22), the connection ring(21)With the outer cage(11)Between be provided through it is described Connection ring(21)One end rear thread be connected to the outer cage(11)On the first bolt(241), the connection ring(21)With The motor(4)Between be provided through the connection ring(21)It is threaded in the motor(4)On the second bolt (242).
7. a kind of rectangular wall type axial-flow fan according to claim 6, it is characterised in that:First protection net(2) Further include have it is multiple along the inner casing(12)Radially extend and respectively with guard ring described in multi-turn(22)Fastened to each other Bracing piece(23).
8. a kind of rectangular wall type axial-flow fan according to claim 1, it is characterised in that:The impeller(5)Blade (51)On be provided with multiple tracks reinforcing rib(52).
CN201721919650.1U 2017-12-29 2017-12-29 A kind of rectangular wall type axial-flow fan Expired - Fee Related CN207945094U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721919650.1U CN207945094U (en) 2017-12-29 2017-12-29 A kind of rectangular wall type axial-flow fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721919650.1U CN207945094U (en) 2017-12-29 2017-12-29 A kind of rectangular wall type axial-flow fan

Publications (1)

Publication Number Publication Date
CN207945094U true CN207945094U (en) 2018-10-09

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Family Applications (1)

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CN201721919650.1U Expired - Fee Related CN207945094U (en) 2017-12-29 2017-12-29 A kind of rectangular wall type axial-flow fan

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109737081A (en) * 2019-02-19 2019-05-10 苏州众志新环冷却设备有限公司 A kind of follow-on fan fixed structure
CN110622907A (en) * 2019-10-30 2019-12-31 张桂云 Water circulation system for aquaculture and water circulation culture method thereof
CN110739626A (en) * 2019-11-26 2020-01-31 国网河南省电力公司西峡县供电公司 heat dissipation electric power cabinet for electric power engineering
CN112283413A (en) * 2020-11-19 2021-01-29 飞潮(上海)环境技术有限公司 Self-heavy type non-return air valve of wind generating set

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109737081A (en) * 2019-02-19 2019-05-10 苏州众志新环冷却设备有限公司 A kind of follow-on fan fixed structure
CN110622907A (en) * 2019-10-30 2019-12-31 张桂云 Water circulation system for aquaculture and water circulation culture method thereof
CN110622907B (en) * 2019-10-30 2021-10-01 广东胜博生物科技有限公司 Water circulation system for aquaculture and water circulation culture method thereof
CN110739626A (en) * 2019-11-26 2020-01-31 国网河南省电力公司西峡县供电公司 heat dissipation electric power cabinet for electric power engineering
CN112283413A (en) * 2020-11-19 2021-01-29 飞潮(上海)环境技术有限公司 Self-heavy type non-return air valve of wind generating set

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Granted publication date: 20181009