CN112049821A - Adjustable type equipment fan box easy to assemble - Google Patents

Adjustable type equipment fan box easy to assemble Download PDF

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Publication number
CN112049821A
CN112049821A CN202011028696.0A CN202011028696A CN112049821A CN 112049821 A CN112049821 A CN 112049821A CN 202011028696 A CN202011028696 A CN 202011028696A CN 112049821 A CN112049821 A CN 112049821A
Authority
CN
China
Prior art keywords
plate
fixedly connected
fan box
groove
easy
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.)
Pending
Application number
CN202011028696.0A
Other languages
Chinese (zh)
Inventor
刘万勤
刘正东
张为军
孙勇安
王正方
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.)
Jiangsu Hengkang Electrical Co ltd
Original Assignee
Jiangsu Hengkang Electrical 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 Jiangsu Hengkang Electrical Co ltd filed Critical Jiangsu Hengkang Electrical Co ltd
Priority to CN202011028696.0A priority Critical patent/CN112049821A/en
Publication of CN112049821A publication Critical patent/CN112049821A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/403Casings; Connections of working fluid especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/582Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/60Mounting; Assembling; Disassembling
    • F04D29/601Mounting; Assembling; Disassembling specially adapted for elastic fluid pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses an adjustable assembled fan box convenient to mount, which comprises a left side mechanism and a right side mechanism, wherein a top mechanism and a bottom mechanism are arranged between the left side mechanism and the right side mechanism, and the top mechanism and the bottom mechanism are detachably clamped, and the adjustable assembled fan box has the advantages that: according to the invention, the top mechanism and the bottom mechanism are clamped through the clamping plate, the clamping groove, the limiting plate and the limiting groove, the top cover plate and the two ends of the bottom supporting plate in the bottom mechanism and the bottom mechanism are inserted into the tops of the left side mechanism and the right side mechanism, and finally the left side mechanism and the right side mechanism are fixed by the fixing mechanism, so that the whole assembly and fixation of the device are completed.

Description

Adjustable type equipment fan box easy to assemble
Technical Field
The invention relates to the technical field of fans, in particular to an adjustable assembled fan box body convenient to install.
Background
The fan is a machine which increases gas pressure and discharges gas by means of input mechanical energy, and is a driven fluid machine;
in the prior art, most of shells of fans are inconvenient to disassemble and assemble in the fan assembling process, so that construction is inconvenient, and the shells cannot be effectively disassembled to detect faults after the fans are in faults, so that the invention provides the adjustable assembled fan box body convenient to install.
Disclosure of Invention
The invention aims to provide an adjustable assembled fan box body convenient to mount, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an adjustable equipment fan box easy to assemble, including left surface mechanism and right side face mechanism, be provided with top mechanism and bottom mechanism between left surface mechanism and the right side face mechanism, removable joint between top mechanism and the bottom mechanism, the two sides all is provided with fixed establishment around left surface mechanism and the right side face mechanism, through fixed establishment fixed connection between left surface mechanism and the right side face mechanism, the middle part of bottom mechanism is provided with installation mechanism, the joint between installation mechanism and the bottom mechanism.
As a still further scheme of the invention: the left side face mechanism includes the left side board, the equal fixedly connected with left side roof in the upper and lower both ends of left side board, one side that is close to right flank mechanism on the roof of left side has all been dug a slot, the middle part of left side board is run through and is dug No. one the mounting groove, it is equipped with the play chimney to insert on the mounting groove, fixed welding has a plurality of filter screens between the inner wall of play chimney, be close to the outside fixedly connected with collar of one end of right flank mechanism on the play chimney, the diameter of collar is greater than the diameter of a mounting groove, a mounting hole has all been seted up at both ends around the roof of left side.
As a still further scheme of the invention: the right side face mechanism includes the right side board, the equal fixedly connected with right side roof in the upper and lower both ends of right side board, the one end that is close to left surface mechanism on the roof of right side has all been dug No. two slots, the both ends are all dug No. two mounting holes around the right side roof, the middle part of right side board is inlayed and is had the heat dissipation window, the heat dissipation window passes through a plurality of bolts and the removable fixed connection of right side board.
As a still further scheme of the invention: the top mechanism comprises a top cover plate, a side inserting plate is fixedly connected to the two sides of the top cover plate, a limiting plate is fixedly welded to the middle of the bottom of the top cover plate, and a top fixing plate is fixedly connected to the bottom of the top cover plate on the two sides of the limiting plate through a spring group.
As a still further scheme of the invention: bottom mechanism includes the bottom layer board, No. two side picture pegs of the equal fixedly connected with in both sides of bottom layer board, the joint groove has been seted up at the top middle part of bottom layer board, the equal fixed welding in top of joint groove both sides bottom layer board has the set casing, the top of set casing is all through No. two spring assembly fixedly connected with bottom fixed plate, all cut the louvre that communicates from top to bottom on bottom fixed plate and the top fixed plate, No. two spring assembly distribute and set up the top four corners at the set casing.
As a still further scheme of the invention: the mounting mechanism comprises a mounting frame, the top of the mounting frame is provided with a limit groove, the bottom of the mounting frame is fixedly connected with a clamping plate, the middle part of the installation frame is provided with a second installation groove, the inner top part and the inner bottom part of the second installation groove are fixedly welded with a shell, the inner walls of the shells are all welded with sliding rails, the sliding rails are all connected with sliding blocks in a sliding way, the sliding blocks which are positioned on the same straight line are all fixedly connected through a connecting plate, the bottom of the connecting plate is fixedly connected with the inner bottom of the shell through a third spring group, the top of the connecting plate is fixedly connected with a top connecting rod, the top connecting rods are movably inserted at the top of the shell, one ends of the top connecting rods arranged outside the shell are fixedly connected with the middle fixing plate, all be provided with the fan in the shell, the air outlet of fan all sets up the top at the shell.
As a still further scheme of the invention: the fixing mechanism comprises a reinforcing plate, and screws are arranged on four corners of the reinforcing plate in a penetrating mode.
As a still further scheme of the invention: the size and shape of the left side plate, the right side plate, the left side top plate, the right side top plate, the first slot, the second slot, the first mounting hole, the second mounting hole, the first side inserting plate and the second side inserting plate are completely the same.
As a still further scheme of the invention: the length of the limiting plate is the same as the width of the top cover plate, the section size of the limiting plate is smaller than that of the limiting groove, the length of the clamping plate is the same as that of the mounting frame, and the section size of the clamping plate is smaller than that of the clamping groove.
As a still further scheme of the invention: the width of the middle fixing plate is smaller than the width of the section of the second mounting groove.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the top mechanism and the bottom mechanism are clamped through the clamping plate, the clamping groove, the limiting plate and the limiting groove, the top cover plate and the two ends of the bottom supporting plate in the bottom mechanism and the bottom mechanism are inserted into the tops of the left side mechanism and the right side mechanism, and finally the left side mechanism and the right side mechanism are fixed by the fixing mechanism, so that the whole assembly and fixation of the device are completed.
2. According to the invention, the installation mechanism is arranged, the fan can be inserted into the second installation groove in the installation mechanism in advance, the motor is preliminarily fixed through the middle fixing plate, one end of the output end of the fan is arranged on one side of the installation frame, and finally the motor is fixed through the top cover plate and the top fixing plate and the bottom fixing plate on the bottom supporting plate.
Drawings
FIG. 1 is a schematic view of the split structure of the present invention;
FIG. 2 is a schematic view of the top cover plate according to the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in the present invention;
fig. 4 is a schematic view of the internal structure of the housing of the present invention.
In the figure: 1. a left side mechanism; 11. a left side plate; 12. a left top plate; 13. a first slot; 14. a first mounting hole; 15. a first mounting groove; 16. an air outlet cylinder; 17. a mounting ring;
2. a right side mechanism; 21. a right side plate; 22. a right side top plate; 23. a second slot; 24. a second mounting hole; 25. a heat dissipation window;
3. a top mechanism; 31. a top cover plate; 32. a first side edge inserting plate; 33. a limiting plate; 34. a first spring set; 35. a top fixing plate;
4. a bottom mechanism; 41. a bottom pallet; 42. a second side flashboard; 43. a stationary case; 44. a second spring set; 45. a bottom fixing plate; 46. heat dissipation holes; 47. a clamping groove;
5. an installation mechanism; 51. a mounting frame; 52. a limiting groove; 53. a clamping and connecting plate; 54. mounting grooves II; 55. a housing; 56. a slide rail; 57. a slider; 58. a connecting plate; 59. a third spring set; 510. a top connecting rod; 511. a middle fixing plate;
6. a fixing mechanism; 61. a reinforcing plate; 62. and (4) screws.
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. 1-4, in the embodiment of the invention, an adjustable assembled fan box convenient to mount comprises a left side mechanism 1 and a right side mechanism 2, a top mechanism 3 and a bottom mechanism 4 are arranged between the left side mechanism 1 and the right side mechanism 2, the top mechanism 3 and the bottom mechanism 4 are detachably clamped, fixing mechanisms 6 are arranged on the front and back surfaces of the left side mechanism 1 and the right side mechanism 2, the left side mechanism 1 and the right side mechanism 2 are fixedly connected through the fixing mechanisms 6, a mounting mechanism 5 is arranged in the middle of the bottom mechanism 4, the mounting mechanism 5 is clamped with the bottom mechanism 4, the top mechanism 3 and the bottom mechanism 4 are clamped through a clamping plate 53, a clamping groove 47, a limiting plate 33 and a limiting groove 52, two ends of a top cover plate 31 and a bottom supporting plate 41 in the bottom mechanism 4 and the bottom mechanism 4 are inserted into the tops of the left side mechanism 1 and the right side mechanism 2, utilize fixed establishment 6 to fix left surface mechanism 1 and right flank mechanism 2 at last to make the whole equipment of device fix the completion, this kind of design, the installation between each part is the joint, very conveniently installs, only needs to consolidate through fixed establishment 6 after the equipment of each part is accomplished can the stability of keeping the device, is favorable to the dismouting of device.
Wherein, left side face mechanism 1 includes left side board 11, the equal fixedly connected with left side roof 12 in upper and lower both ends of left side board 11, one side that is close to right flank mechanism 2 on left side roof 12 is all dug there is slot 13 No. one, the middle part of left side board 11 is run through and is dug there is mounting groove 15 No. one, it is equipped with play chimney 16 to insert on mounting groove 15, the design that goes out chimney 16 can prevent inside external dust entering device, cause the internal blockage, fixed welding has a plurality of filter screens between the inner wall that goes out chimney 16, go out the outside fixedly connected with collar 17 of one end that is close to right flank mechanism 2 on chimney 16, collar 17's diameter is greater than the diameter of mounting groove 15, mounting hole 14 has all been seted up at both ends around left side roof 12.
Wherein, right flank mechanism 2 includes right side board 21, and the equal fixedly connected with right side roof 22 in the upper and lower both ends of right side board 21, the chisel has No. two slots 23 near the one end of left side face mechanism 1 on right side roof 22 all, and the chisel has No. two mounting holes 24 all to open both ends around right side roof 22, and the middle part of right side board 21 is inlayed and is had heat dissipation window 25, and heat dissipation window 25 is through the removable fixed connection of a plurality of bolts and right side board 21.
Wherein, top mechanism 3 includes top apron 31, and the equal fixedly connected with side picture peg 32 in both sides of top apron 31, the fixed welding in bottom middle part of top apron 31 has limiting plate 33, and the bottom of the top apron 31 of limiting plate 33 both sides all is through a spring assembly 34 fixedly connected with top fixed plate 35.
Wherein, bottom mechanism 4 includes bottom layer board 41, No. two side picture pegs 42 of the equal fixedly connected with in both sides of bottom layer board 41, joint groove 47 has been seted up at the top middle part of bottom layer board 41, the equal fixed welding in top of joint groove 47 both sides bottom layer board 41 has set casing 43, the top of set casing 43 all is through No. two spring assembly 44 fixedly connected with bottom fixing plate 45, all cut the louvre 46 that communicates from top to bottom on bottom fixing plate 45 and the top fixing plate 35, louvre 46's design can make the fan in the shell 55 blow to the fan surface with wind-force, No. two spring assembly 44 distribute and set up the top four corners at set casing 43.
Wherein, installation mechanism 5 includes installation frame 51, spacing groove 52 has been seted up at installation frame 51's top, installation frame 51's bottom fixedly connected with joint board 53, installation frame 51's middle part is provided with No. two mounting grooves 54, the equal fixed welding of interior top and interior bottom of No. two mounting grooves 54 has shell 55, all weld slide rail 56 on shell 55's the inner wall, equal sliding connection has slider 57 on the slide rail 56, be located all through connecting plate 58 fixed connection between the slider 57 of same straight line, all through No. three spring assembly 59 fixed connection between the bottom of connecting plate 58 and shell 55's the interior bottom, the equal fixedly connected with top connecting rod 510 in top of connecting plate 58, the top connecting rod 510 all movably inserted the top of establishing at shell 55, top connecting rod 510 sets up the outside one end of shell 55 all with middle part fixed plate 511 fixed connection, all be provided with the fan in the shell 55, the air outlet of fan.
Wherein, fixed establishment 6 includes reinforcing plate 61, all runs through on the four corners of reinforcing plate 61 and is provided with screw 62.
The left side plate 11 and the right side plate 21, the left top plate 12 and the right top plate 22, the first slot 13 and the second slot 23, the first mounting hole 14 and the second mounting hole 24, the first side insert plate 32 and the second side insert plate 42 are completely the same in size and shape.
The length of the limiting plate 33 is the same as the width of the top cover plate 31, the sectional dimension of the limiting plate 33 is smaller than that of the limiting groove 52, the length of the clamping plate 53 is the same as that of the mounting frame, and the sectional dimension of the clamping plate 53 is smaller than that of the clamping groove 47.
Wherein, the width of the middle fixing plate 511 is less than the section width of the second mounting groove 54.
The working principle of the invention is as follows: firstly, a clamping plate 53 at the bottom of a mounting frame 51 is inserted into a limiting groove 52, so that the mounting frame 51 is clamped with a bottom supporting plate 41, the distance between two middle fixing plates 511 and the height of a bottom fixing plate 45 are manually adjusted according to the size of a mounted fan, then the tail end of the fan is inserted into a second mounting groove 54, the middle fixing plates 511 and the bottom fixing plate 45 are loosened, so that the middle fixing plates 511 are close to each other, the fan is preliminarily fixed in the second mounting groove 54 of the mounting frame 51, at the moment, a limiting plate 33 on a top cover plate 31 is inserted into the limiting groove 52, the rest parts of the fan are reinforced by using the top fixing plate 35 and the bottom fixing plate 45, after the reinforcement is completed, a first slot 13 and a second slot 23 on a left top plate 12 and a right top plate 22 are sleeved outside a first side inserting plate 32 and a second side inserting plate 42, so that the top cover plate 31 and the bottom, finally, the screws 62 at the four corners of the reinforcing plate 61 are aligned with the first mounting hole 14 and the second mounting hole 24, the screws 62 are rotated, so that the screws 62 are screwed in the first mounting hole 14 and the second mounting hole 24, the reinforcing plate 61 is fixed with the left side plate 11 and the right side plate 21, and the assembly of the device is completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. The utility model provides an adjustable equipment fan box easy to assemble, includes left surface mechanism (1) and right flank mechanism (2), its characterized in that, be provided with top mechanism (3) and bottom mechanism (4) between left surface mechanism (1) and right flank mechanism (2), removable joint between top mechanism (3) and bottom mechanism (4), the front and back two sides of left surface mechanism (1) and right flank mechanism (2) all are provided with fixed establishment (6), through fixed establishment (6) fixed connection between left surface mechanism (1) and the right flank mechanism (2), the middle part of bottom mechanism (4) is provided with installation mechanism (5), the joint between installation mechanism (5) and bottom mechanism (4).
2. The easy-to-install adjustable assembled fan box of claim 1, wherein: left surface mechanism (1) includes left side board (11), the equal fixedly connected with left side roof (12) in upper and lower both ends of left side board (11), the equal chisel in one side that is close to right flank mechanism (2) on left side roof (12) has slot (13), the middle part of left side board (11) is run through to open the chisel and has mounting groove (15) No. one, it is equipped with play dryer (16) to insert on mounting groove (15), fixed welding has a plurality of filter screens between the inner wall of play dryer (16), go out the outside fixedly connected with collar (17) of one end that is close to right flank mechanism (2) on dryer (16), the diameter of collar (17) is greater than the diameter of mounting groove (15), mounting hole (14) have all been seted up at both ends around left side roof (12).
3. The easy-to-install adjustable assembled fan box of claim 1, wherein: right flank mechanism (2) are including right side board (21), the equal fixedly connected with right side roof (22) in the upper and lower both ends of right side board (21), the chisel has No. two slots (23) all to be opened to the one end that is close to left side mechanism (1) on right side roof (22), the chisel has No. two mounting holes (24) all to open at both ends around right side roof (22), the middle part of right side board (21) is inlayed and is had heat dissipation window (25), heat dissipation window (25) are through the removable fixed connection of a plurality of bolts and right side board (21).
4. The easy-to-install adjustable assembled fan box of claim 1, wherein: top mechanism (3) are including top apron (31), equal fixedly connected with side picture peg (32) in both sides of top apron (31), the fixed welding in bottom middle part of top apron (31) has limiting plate (33), the bottom of top apron (31) of limiting plate (33) both sides is all through spring assembly (34) fixedly connected with top fixed plate (35).
5. The easy-to-install adjustable assembled fan box of claim 1, wherein: bottom mechanism (4) are including bottom layer board (41), No. two side picture peg (42) of the equal fixedly connected with in both sides of bottom layer board (41), joint groove (47) have been seted up at the top middle part of bottom layer board (41), the equal fixed welding in top of joint groove (47) both sides bottom layer board (41) has set casing (43), the top of set casing (43) all is through No. two spring assembly (44) fixedly connected with bottom fixing plate (45), all cut louvre (46) that have intercommunication from top to bottom on bottom fixing plate (45) and top fixing plate (35), No. two spring assembly (44) distribute and set up the top four corners at set casing (43).
6. The easy-to-install adjustable assembled fan box of claim 1, wherein: the installation mechanism (5) comprises an installation frame (51), a limiting groove (52) is formed in the top of the installation frame (51), a clamping plate (53) is fixedly connected to the bottom of the installation frame (51), a second installation groove (54) is formed in the middle of the installation frame (51), a shell (55) is fixedly welded to the inner top and the inner bottom of the second installation groove (54), slide rails (56) are welded to the inner wall of the shell (55), slide blocks (57) are connected to the slide rails (56) in a sliding mode, the slide blocks (57) located on the same straight line are fixedly connected through connecting plates (58), the bottom of the connecting plates (58) is fixedly connected with the inner bottom of the shell (55) through three spring groups (59), top connecting rods (510) are fixedly connected to the tops of the connecting plates (58), and the top connecting rods (510) are movably inserted into the top of the shell (55), the top connecting rod (510) is arranged at one end outside the shell (55) and fixedly connected with the middle fixing plate (511), the shell (55) is internally provided with a fan, and the air outlet of the fan is arranged at the top of the shell (55).
7. The easy-to-install adjustable assembled fan box of claim 1, wherein: the fixing mechanism (6) comprises a reinforcing plate (61), and screws (62) penetrate through four corners of the reinforcing plate (61).
8. The easy-to-install adjustable assembled fan box of claim 1, wherein: the size and shape of the left side plate (11), the right side plate (21), the left side top plate (12), the right side top plate (22), the first slot (13), the second slot (23), the first mounting hole (14), the second mounting hole (24), the first side inserting plate (32) and the second side inserting plate (42) are completely the same.
9. The easy-to-install adjustable assembled fan box of claim 1, wherein: the length of limiting plate (33) is the same with the width of top apron (31), the cross sectional dimension of limiting plate (33) is less than the cross sectional dimension of spacing groove (52), the length of joint board (53) is the same with the width of installing frame, the cross sectional dimension of joint board (53) is less than the cross sectional dimension of joint groove (47).
10. The easy-to-install adjustable assembled fan box of claim 1, wherein: the width of the middle fixing plate (511) is smaller than the section width of the second mounting groove (54).
CN202011028696.0A 2020-09-27 2020-09-27 Adjustable type equipment fan box easy to assemble Pending CN112049821A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011028696.0A CN112049821A (en) 2020-09-27 2020-09-27 Adjustable type equipment fan box easy to assemble

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011028696.0A CN112049821A (en) 2020-09-27 2020-09-27 Adjustable type equipment fan box easy to assemble

Publications (1)

Publication Number Publication Date
CN112049821A true CN112049821A (en) 2020-12-08

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ID=73605039

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011028696.0A Pending CN112049821A (en) 2020-09-27 2020-09-27 Adjustable type equipment fan box easy to assemble

Country Status (1)

Country Link
CN (1) CN112049821A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103644147A (en) * 2013-12-27 2014-03-19 山西巨龙风机有限公司 Sound reducing box of single-stage high-speed blower
CN207864263U (en) * 2017-12-28 2018-09-14 南京磁谷科技有限公司 A kind of cabinet structure of the high-speed centrifugal fan with built-in silencer
CN208442084U (en) * 2018-06-05 2019-01-29 浙江荣文风机有限公司 A kind of fan box of ease of assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103644147A (en) * 2013-12-27 2014-03-19 山西巨龙风机有限公司 Sound reducing box of single-stage high-speed blower
CN207864263U (en) * 2017-12-28 2018-09-14 南京磁谷科技有限公司 A kind of cabinet structure of the high-speed centrifugal fan with built-in silencer
CN208442084U (en) * 2018-06-05 2019-01-29 浙江荣文风机有限公司 A kind of fan box of ease of assembly

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Application publication date: 20201208