CN215719661U - Low-noise axial flow fan - Google Patents

Low-noise axial flow fan Download PDF

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Publication number
CN215719661U
CN215719661U CN202121983683.9U CN202121983683U CN215719661U CN 215719661 U CN215719661 U CN 215719661U CN 202121983683 U CN202121983683 U CN 202121983683U CN 215719661 U CN215719661 U CN 215719661U
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China
Prior art keywords
filter screen
protective sleeve
lag
shell
axial flow
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CN202121983683.9U
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Chinese (zh)
Inventor
范保民
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Jiangsu Shuangbao Air Conditioning Co ltd
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Jiangsu Shuangbao Air Conditioning Co ltd
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Abstract

The utility model discloses a low-noise axial flow fan in the technical field of axial flow fans, which comprises a shell, wherein a base is arranged on the outer surface of the shell, two ends of the shell are respectively provided with an opening, bolts are arranged at four corners of the base in a threaded manner, a cross mounting frame is arranged in the shell, a fan is arranged on the cross mounting frame, a first protective sleeve and a second protective sleeve are respectively arranged at two end openings of the shell, a filter screen is arranged to be matched with a protective steel plate net for use, large granular substances can be prevented from entering the shell by using the protective steel plate net, small granular substances doped in gas can be filtered and removed by using the filter screen, the damage phenomenon caused by impact on a fan impeller can be effectively avoided, a positioning rod can be driven by the elasticity of a guide rod matched with a spring to clamp and fix the filter screen, and the filter screen is further limited and supported by using an extrusion rod and a limiting block, the installation stability of the filter screen is guaranteed, the structure is simple, and the installation and the disassembly are convenient.

Description

Low-noise axial flow fan
Technical Field
The utility model relates to the technical field of axial flow fans, in particular to a low-noise axial flow fan.
Background
The axial flow fan has a very wide application, namely, the axial flow fan and the fan blade have the same direction of air flow, such as an electric fan, and an air conditioner outer machine fan is an axial flow type running fan. Axial flow is so called because the gas flows parallel to the fan axis. Axial flow fans are typically used in applications where flow requirements are high and pressure requirements are low. The axial fan fixes the position and moves the air. The axial flow fan mainly comprises a fan impeller and a casing, and is simple in structure but high in data requirement.
The existing axial flow fan is lack of an effective dustproof mechanism, dust impurities are doped in gas extracted by the axial flow fan in the using process and can affect the impeller of the fan, the damage phenomenon of the fan is easily caused, the normal operation of the axial flow fan is affected, the axial flow fan is lack of a necessary noise elimination mechanism, the noise pollution is easily caused in the operation process, and the function is incomplete.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a low-noise axial flow fan, which aims to solve the problems that the conventional axial flow fan in the background art is lack of an effective dustproof mechanism, dust impurities doped in gas extracted by the axial flow fan in the use process can affect a fan impeller, the fan is easy to damage, the normal operation of the axial flow fan is affected, and the axial flow fan is lack of a necessary noise elimination mechanism, so that noise pollution is easy to cause in the operation process, and the function is incomplete.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a low noise axial fan, includes that the surface mounting has the equal open-ended shell in base and both ends, the equal threaded mounting in four corners of base has the bolt, the internally mounted of shell has the cross mounting bracket, install the fan on the cross mounting bracket, the both ends opening part of shell is provided with lag one and lag two respectively, the one end that lag one and lag two kept away from each other all installs protection steel sheet net through the installation component, the right side of protection steel sheet net is provided with the filter screen in the lag one, be provided with the locking unit on the lag one, the locking unit is assembled and is used for compressing tightly the locking in order to guarantee going on smoothly of filter screen to the gas filtration operation to the filter screen.
By adopting the scheme, the filter screen is matched with the protective steel plate net for use, large granular substances can be prevented from entering the shell by using the protective steel plate net, small granular substances doped in gas can be filtered and removed by using the filter screen, and further, the phenomenon of damage caused by impact and impact on the fan impeller can be effectively avoided, the filter screen can be clamped and fixed by using the guide rod and the elastic driving positioning rod of the spring, the filter screen is further limited and supported by using the extrusion rod and the limiting block, the installation stability of the filter screen is ensured, the structure is simple, the installation and the disassembly are convenient, the protective sleeve I, the protective sleeve II and the four filling plates on the protective sleeve I are matched for use, the integrity of the inner wall of the shell can be covered, and the noise generated in the air draft process can be effectively absorbed by matching with the arrangement of the sound absorption sponge cushion, so that a good noise reduction effect is achieved, effectively avoid noise pollution, perfect functional diversity.
In the above scheme, the fan is electrically connected with the external power supply.
Preferably, the one end that lag one is close to lag two is the annular array and installs four packing panels, and forms four holding tanks that hold four tip of cross mounting bracket between two that four packing panels are adjacent, the side of the inner wall of lag one, the inner wall of lag two and packing panel all bonds and has inhales the sound foam-rubber cushion.
Preferably, the first protective sleeve, the shell and the second protective sleeve are connected through a plurality of long screws, and one-time threads of the long screws penetrate through the first protective sleeve, the shell and the second protective sleeve.
Preferably, the mounting assembly comprises four fixing plates which are arranged on the protection steel plate net in an annular array mode, fixing buckles are arranged on the fixing plates, and the first protection sleeve and the second protection sleeve are connected with the corresponding fixing plates through the fixing buckles respectively.
Preferably, the locking unit comprises a guide rod, a positioning rod and an operating board, two channels are respectively formed in the upper surface and the lower surface of the first protective sleeve, a guide sleeve is clamped on the inner wall of each channel, the guide rod is sleeved on the inner wall of the guide sleeve, the positioning rod and the operating board are respectively installed at two ends of the guide rod, an operating handle is installed on one side face of the operating board, a positioning groove matched with the positioning rod for use is formed in the side face of the filter screen, a spring is sleeved on the outer surface of the guide rod, and two ends of the spring are respectively abutted to the guide sleeve and the positioning rod.
Preferably, the right side of the first upper protection steel plate net of the protection sleeve is in an annular array and provided with a plurality of extrusion rods, the right end of each extrusion rod is attached to the left side of the corresponding filter screen, the inner side wall of the first protection sleeve is in an annular array and provided with a plurality of limiting blocks, and the left side of each limiting block is attached to the right side of the corresponding filter screen.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the filter screen is arranged to be matched with the protective steel plate net for use, the protective steel plate net can prevent large granular substances from entering the shell, the filter screen can be used for filtering and removing small granular substances doped in gas, further, the phenomenon of damage caused by impact and impact on a fan impeller can be effectively avoided, the guide rod is matched with the elasticity of the spring to drive the positioning rod to clamp and fix the filter screen, the extrusion rod and the limiting block are used for further limiting and supporting the filter screen, the mounting stability of the filter screen is ensured, the structure is simple, and the mounting and dismounting are convenient;
through setting up four filling plate cooperations on lag one and lag two and the lag one and use, can cover shell inner wall integrality to the noise that the setting of sound foam-rubber cushion can the active absorption convulsions in-process produced is inhaled in the cooperation, has reached fine noise reduction effect, effectively avoids noise pollution, perfect function diversity.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a cross section of a low noise axial flow fan according to the present invention;
FIG. 3 is a schematic structural view of a main section of a low noise axial flow fan according to the present invention;
FIG. 4 is a schematic structural view of a section of the low noise axial flow fan protective cover of the present invention;
FIG. 5 is a schematic structural view of a low noise axial flow fan protective cover of the present invention viewed from the right;
fig. 6 is an enlarged schematic structural view of a low noise axial flow fan a according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a housing; 2. a base; 3. a bolt; 4. a cross mounting bracket; 5. a fan; 6. protecting a first sleeve; 7. a second protection sleeve; 8. a protective steel plate net; 9. a fixing plate; 10. a fixing buckle; 11. filtering with a screen; 12. a guide sleeve; 13. a guide bar; 14. positioning a rod; 15. an operation panel; 16. an operating handle; 17. a spring; 18. a limiting block; 19. an extrusion stem; 20. a infill panel; 21. a sound-absorbing sponge cushion; 22. a long screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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. 1-6, the present invention provides a technical solution: the utility model provides a low noise axial fan, including outer surface mounting have base 2 and the equal open-ended shell in both ends 1, the equal threaded mounting in four corners of base 2 has bolt 3, the internally mounted of shell 1 has cross mounting bracket 4, install fan 5 on the cross mounting bracket 4, the both ends opening part of shell 1 is provided with lag one 6 and lag two 7 respectively, the one end that lag one 6 and lag two 7 kept away from each other all installs protection steel sheet net 8 through the installation component, the right side of protection steel sheet net 8 is provided with filter screen 11 in lag one 6, be provided with the locking unit on lag one 6, the locking unit is assembled and is used for compressing tightly the locking in order to guarantee going on smoothly of filter screen 11 to the gas filtration operation to filter screen 11.
Wherein, the one end that lag one 6 is close to lag two 7 is the annular array and installs four packing panels 20, and form four holding tanks that hold four tip of cross mounting bracket 4 between four adjacent two of packing panels 20, the inner wall of lag one 6, the inner wall of lag two 7 and the side of packing panel 20 all bond and have the sound foam-rubber cushion 21 of inhaling, use through being provided with four packing panels 20 cooperation lag one 6 and lag two 7 and cross mounting bracket 4 on lag one 6, can carry out complete body laminating to shell 1 inner wall and cover, and then can cooperate and inhale sound foam-rubber cushion 21 and adsorb the elimination to sound, reach fine noise reduction effect.
Wherein, be connected through a plurality of long screw 22 between lag one 6, shell 1 and the lag two 7, long screw 22 once thread runs through lag one 6, shell 1 and lag two 7, utilizes long screw 22's setting to come to connect fixedly lag one 6, shell 1 and lag two 7, and fixed effectual, fixed convenient operation.
Wherein, the installation component is including being four fixed plates 9 that the annular array installed on protection steel sheet net 8, is provided with fixed knot 10 on the fixed plate 9, and lag one 6 and lag two 7 are connected with corresponding fixed plate 9 through fixed knot 10 respectively, and the setting of utilizing fixed plate 9 cooperation to fix and detain 10 can be effectively installed fixedly protection steel sheet net 8, and is fixed effectual.
Wherein, the locking unit includes guide arm 13, locating lever 14 and operation panel 15, two passageways have been seted up respectively to the upper surface and the lower surface of lag 6, and passageway inner wall joint has guide pin bushing 12, the inner wall at guide pin bushing 12 is established to guide arm 13 cover, the both ends at guide arm 13 are installed respectively at locating lever 14 and operation panel 15, operation handle 16 is installed to a side of operation panel 15, the constant head tank that uses with the cooperation of locating lever 14 is seted up to the side of filter screen 11, the surface cover of guide arm 13 is equipped with spring 17, spring 17's both ends respectively with guide pin bushing 12 and locating lever 14 between inconsistent, utilize spring 17's elastic action can order about guide arm 13 to drive locating lever 14 motion, and then make inside locating lever 14 card goes into the constant head tank on filter screen 11, the realization is fixed to the locking of filter screen 11.
Wherein, the right side of protecting steel sheet net 8 on lag 6 is personally submitted the annular array and is installed a plurality of extrusion stem 19, extrusion stem 19's right-hand member is laminated mutually with the left surface of filter screen 11, the inside wall of lag 6 is the annular array and installs a plurality of stopper 18, the left surface of stopper 18 is laminated mutually with the right surface of filter screen 11, it can carry out both sides to filter screen 11 and press from both sides tightly to utilize extrusion stem 19 and stopper 18 cooperation to use, and then further spacing support filter screen 11, make filter screen 11 installation stability better.
When the dust-proof device is used, firstly, the bolt 3 is used for being matched with the base 2 for installation and fixation, then the fan 5 is started for air draft in the operation process, air enters through the protective steel plate mesh 8 on the protective sleeve I6 in the air draft process and is isolated from large granular substances, then small granular dust impurities are filtered out through the filter screen 11, a good dust-proof effect is achieved, sound generated in the operation process can be absorbed and eliminated through the arrangement of the protective sleeve I6 and the protective sleeve II 7 matched with the filling plate 20 and the sound-absorbing sponge pad 21, a certain noise reduction effect is achieved, when the filter screen 11 needs to be cleaned, the fixing buckle 10 on the protective sleeve I6 is firstly pulled out to take off the protective steel plate mesh 8, the extrusion rod 19 is separated from the filter screen 11, then the operation handle 16 is pulled to drive the operation plate 15 to move, the operation plate 15 drives the guide rod 13 to move, and further drives the positioning rod 14 to move to separate from the positioning groove, the fixing of the filter screen 11 is released, the filter screen 11 can be taken down, the operation handle 16 is pulled to move to enable the guide rod 13 to move when the filter screen 11 is installed, the guide rod 13 can drive the spring 17 to contract at the moment, the operation handle 16 is loosened after the filter screen 11 is placed into the protecting sleeve 6, and the positioning rod 14 is clamped into the positioning groove under the action of the spring 17 to complete installation.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model 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 utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (6)

1. A low noise axial fan which characterized in that: comprises a shell (1) with a base (2) arranged on the outer surface and two open ends, bolts (3) are arranged on four corners of the base (2) in a threaded manner, a cross mounting rack (4) is arranged in the shell (1), a fan (5) is arranged on the cross mounting rack (4), the openings at the two ends of the shell (1) are respectively provided with a first protective sleeve (6) and a second protective sleeve (7), one end of the first protective sleeve (6) and one end of the second protective sleeve (7) which are far away from each other are both provided with a protective steel plate net (8) through a mounting component, a filter screen (11) is arranged on the right side of the protective steel plate net (8) in the protective sleeve I (6), be provided with the locking unit on lag (6), the locking unit is assembled and is used for compressing tightly the locking in order to guarantee that filter screen (11) goes on smoothly to gas filtration operation to filter screen (11).
2. A low noise axial flow fan according to claim 1, wherein: the utility model discloses a sound-absorbing protective sleeve, including lag two (7), lag one (6) are close to the one end of lag two (7) and are four filling plate (20) installed in the annular array, and form four holding tanks that hold four tip of cross mounting bracket (4) between two adjacent of four filling plate (20), the sound foam-rubber cushion (21) of inhaling is all bonded to the side of the inner wall of lag one (6), the inner wall of lag two (7) and filling plate (20).
3. A low noise axial flow fan according to claim 1, wherein: the protective sleeve is characterized in that the protective sleeve I (6), the outer shell (1) and the protective sleeve II (7) are connected through a plurality of long screws (22), and one-time threads of the long screws (22) penetrate through the protective sleeve I (6), the outer shell (1) and the protective sleeve II (7).
4. A low noise axial flow fan according to claim 1, wherein: the installation component comprises four fixing plates (9) which are arranged on a protective steel plate net (8) in an annular array, a fixing buckle (10) is arranged on each fixing plate (9), and the first protective sleeve (6) and the second protective sleeve (7) are connected with the corresponding fixing plates (9) through the fixing buckles (10) respectively.
5. A low noise axial flow fan according to claim 1, wherein: the locking unit comprises a guide rod (13), a positioning rod (14) and an operating plate (15), two channels are respectively arranged on the upper surface and the lower surface of a first protective sleeve (6), a guide sleeve (12) is clamped on the inner wall of the channel, the inner wall of the guide sleeve (12) is sleeved with the guide rod (13), two ends of the guide rod (13) are respectively arranged on the positioning rod (14) and the operating plate (15), an operating handle (16) is arranged on one side surface of the operating plate (15), a positioning groove matched with the positioning rod (14) for use is arranged on the side surface of the filter screen (11), a spring (17) is sleeved on the outer surface of the guide rod (13), and two ends of the spring (17) are respectively abutted to the guide sleeve (12) and the positioning rod (14).
6. A low noise axial flow fan according to claim 1, wherein: the right side of protecting steel sheet net (8) is personally submitted annular array and is installed a plurality of extrusion pole (19) on lag (6), the right-hand member of extrusion pole (19) is laminated with the left surface of filter screen (11) mutually, the inside wall of lag (6) is annular array and installs a plurality of stopper (18), the left surface of stopper (18) is laminated with the right flank of filter screen (11) mutually.
CN202121983683.9U 2021-08-23 2021-08-23 Low-noise axial flow fan Active CN215719661U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121983683.9U CN215719661U (en) 2021-08-23 2021-08-23 Low-noise axial flow fan

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Application Number Priority Date Filing Date Title
CN202121983683.9U CN215719661U (en) 2021-08-23 2021-08-23 Low-noise axial flow fan

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CN215719661U true CN215719661U (en) 2022-02-01

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CN202121983683.9U Active CN215719661U (en) 2021-08-23 2021-08-23 Low-noise axial flow fan

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114857096A (en) * 2022-04-12 2022-08-05 长春工程学院 Take dirt filtration fan of self-cleaning function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114857096A (en) * 2022-04-12 2022-08-05 长春工程学院 Take dirt filtration fan of self-cleaning function

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