CN213206063U

CN213206063U - Axial compressor smoke exhaust fan of making an uproar falls

Info

Publication number: CN213206063U
Application number: CN202022176221.8U
Authority: CN
Inventors: 陈�峰; 李军刚
Original assignee: Shaoxing Shangyu Jiuyang Blower Fan Co ltd
Current assignee: Shaoxing Shangyu Jiuyang Blower Fan Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-05-14
Anticipated expiration: 2030-09-28

Abstract

The utility model relates to an axial compressor of making an uproar smoke exhaust fan falls, including the fan shell, the both ends of fan shell are provided with the flange, and the cover is equipped with the rubber sleeve on the fan shell, and the both ends face of rubber sleeve supports the flange at the both ends of fan shell, and the rubber is sheathe in and is provided with and is used for establishing the breach on the fan shell with the rubber sleeve cover, all is provided with coupling mechanism and fan shell on the both ends of rubber sleeve and is connected. Most of the kinetic energy that this application vibration that has fan shell produced can be absorbed by the rubber sleeve, has alleviateed fan shell's vibration degree, and then has alleviateed fan shell because the noise that the vibration produced, has protected the healthy effect of staff's hearing.

Description

Axial compressor smoke exhaust fan of making an uproar falls

Technical Field

The application relates to the field of axial flow smoke exhaust fans, in particular to a noise-reducing axial flow smoke exhaust fan.

Background

In the factory building of mill, generally all need install the blast pipe in order to discharge the harmful gas in the factory building, will strengthen the inside and external air exchange of factory building, guarantee that staff's is healthy.

Can install axial compressor smoke exhaust fan on the blast pipe usually and come as the essential element of air exchange, when the installation, cut off the blast pipe, then with axial compressor smoke exhaust fan's air intake and air outlet respectively with two fracture sealing fixed connection backs of blast pipe, start axial compressor smoke exhaust fan, the air in the factory building can be taken out and is discharged the external world, produce certain negative pressure in the factory building, external air can be with higher speed from the window of factory building in getting into the factory building, and then accelerated the inside and external air cycle of factory building.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: axial flow smoke exhaust fan's fan can produce resonance to the fan shell when high-speed the rotating, and then makes the fan shell also can carry out high-frequency vibration and produce great noise, probably produces the influence to staff's hearing.

SUMMERY OF THE UTILITY MODEL

In order to solve axial compressor smoke exhaust fan's fan shell can produce resonance with the fan and produce the problem that great noise and then influence staff's hearing, this application provides an axial compressor smoke exhaust fan of making an uproar falls.

The application provides a axial compressor smoke exhaust fan that makes an uproar falls adopts following technical scheme:

the utility model provides an axial compressor smoke exhaust fan that makes an uproar falls, includes the fan shell, the both ends of fan shell are provided with the flange, the cover is equipped with the rubber sleeve on the fan shell, the both ends face of rubber sleeve supports the flange at the both ends of fan shell, be provided with on the rubber sleeve be used for with the rubber sleeve cover is established breach on the fan shell, all be provided with coupling mechanism on the both ends of rubber sleeve with the fan shell is connected.

Through adopting above-mentioned technical scheme, establish the rubber sleeve on the fan shell through fixed cover of fixed establishment and support the both sides of rubber sleeve tightly on the flange after, most kinetic energy that the vibration of fan shell produced can be absorbed by the rubber sleeve, has alleviateed the vibration degree of fan shell, and then has alleviateed the fan shell because the noise that the vibration produced, has protected that staff's hearing is healthy.

Optionally, the connecting mechanism includes a first fixing rod and a second fixing rod which are semi-annular, one end of the first fixing rod and one end of the second fixing rod are rotatably connected with each other, and inner walls of the first fixing rod and the second fixing rod can be tightly attached to the rubber sleeve sleeved on the fan housing; and one ends of the first fixing rod and the second fixing rod, which are far away from the rotary connection part of the first fixing rod and the second fixing rod, are connected through bolts.

Through adopting above-mentioned technical scheme, establish first dead lever and second dead lever cover and serve the back at rubber sleeve, pass through bolted connection with the one end of first dead lever and the one end of second dead lever, support first dead lever and the laminating of second dead lever tightly on rubber sleeve, and then support the laminating of rubber sleeve tightly on fan shell for the rubber sleeve is difficult to break away from fan shell.

Optionally, the rubber sleeve is located on a lateral wall of breach department and be provided with first rubber slab along its length direction, the rubber sleeve is located on another lateral wall of breach department and be provided with the second rubber slab along its length direction, first rubber slab with the second rubber slab can overlap amalgamation each other, just first rubber slab with the thickness sum of second rubber slab equals the thickness of rubber sleeve.

Through adopting above-mentioned technical scheme, the back is established on the fan shell to the rubber sleeve cover, and first rubber slab and second rubber slab through overlapping amalgamation each other are connected the both sides wall of breach for difficult emergence dislocation between the lateral wall of the breach both sides of rubber sleeve when first dead lever and second dead lever hold the rubber sleeve tightly has improved the leakproofness of rubber sleeve, makes the vibration be difficult for spreading from the breach, and then has improved the syllable-dividing effect of rubber sleeve.

Optionally, on the both ends of rubber sleeve with rubber sleeve coaxial ring installs two rubber strips and rubber strip and is cut by the breach, two a lateral wall that the rubber strip deviates from mutually with the flange at the both ends of fan shell supports tightly, the rubber strip deviates from wind on the one side of rubber sleeve the axis circumference of rubber sleeve has seted up the ring channel, first dead lever with the second dead lever all cooperates to inlay and establishes in the ring channel.

Through adopting above-mentioned technical scheme, first dead lever and second dead lever are after the cooperation is inlayed and is established in the ring channel for first dead lever and second dead lever are more stable with being connected of rubber sleeve, and difficult production is slided.

Optionally, a supporting rod is arranged between the two first fixing rods, one end of the supporting rod is inserted into one of the first fixing rods and can rotate around the axis of the supporting rod, and the other end of the supporting rod penetrates through the other first fixing rod and is in threaded fit with the other first fixing rod; a support rod is arranged between the two second fixing rods in the same way as the two first fixing rods.

Through adopting above-mentioned technical scheme, two first dead levers and two second dead levers are installed and are accomplished the back, struts two first dead levers and two second dead levers respectively through the bracing piece for two first dead levers and two second dead levers are difficult for being close to each other, and then make the rubber sleeve be difficult for corrugating, make the damping ability of rubber sleeve be difficult for reducing because of the area coverage reduces.

Optionally, one side of the supporting rod can be tightly propped against the rubber sleeve.

Through adopting above-mentioned technical scheme, the staff can adjust arbitrary bracing piece to first rubber slab and second rubber slab department when first dead lever of installation and second dead lever for first dead lever and second dead lever are after the installation is accomplished, and the bracing piece can support tight first rubber slab and second rubber slab, and the laminating of strengthening first rubber slab and second rubber slab supports tight degree, and then strengthens the sealing performance between first rubber slab and the second rubber slab.

Optionally, the rubber sleeve is sleeved with a first sound insulation sleeve and a second sound insulation sleeve which are made of high-density materials, the first sound insulation sleeve and the second sound insulation sleeve can be spliced with each other, first mounting grooves are formed in inner walls of two ends of the first sound insulation sleeve, the first fixing rod protrudes out of the annular groove, the inner wall of the first sound insulation sleeve abuts against the rubber strip, and one side of the first fixing rod is embedded in the first mounting groove in a matched mode; the inner walls of the two ends of the second sound insulation sleeve are provided with second mounting grooves, the second fixing rods protrude out of the annular grooves, the inner walls of the second sound insulation sleeve are attached to and abut against the rubber strips, and one side of each second fixing rod is embedded in the second mounting grooves in a matched mode.

Through adopting above-mentioned technical scheme, the both ends of first sound insulation cover and second sound insulation cover all are connected with the fan shell through rubber strip and rubber sleeve, because rubber sleeve and rubber strip are visual to be the elastic component, so first sound insulation cover and second sound insulation cover are difficult for fan shell to produce resonance, better syllable-dividing effect has, and make first sound insulation cover can fix a position more conveniently when the installation with first dead lever matched with first mounting groove, make second sound insulation cover can fix a position more conveniently when the installation with second dead lever matched with second mounting groove.

Optionally, the first sound-proof sleeve and the second sound-proof sleeve are not parallel to the fan housing.

Through adopting above-mentioned technical scheme, make both be difficult for producing resonance with the fan shell more with fan shell portion nonparallel first sound-proof sleeve and second sound-proof sleeve.

Optionally, a sealing strip is arranged between the two end faces of the first sound insulation sleeve and the second sound insulation sleeve which are spliced with each other, and when the first sound insulation sleeve and the second sound insulation sleeve are spliced with each other, two sides of the sealing strip are respectively abutted to the first sound insulation sleeve and the second sound insulation sleeve in a tight sealing mode.

Through adopting above-mentioned technical scheme, the sealing degree between the both ends face of first sound-proof sleeve and the mutual amalgamation of second sound-proof sleeve has been strengthened to the sealing strip, can push away according to the principle that gas leakage among the sound insulation construction equals the sound leakage, and the sound insulation effect of first sound-proof sleeve and second sound-proof sleeve has also obtained the increase.

In summary, the present application includes at least one of the following beneficial technical effects:

1. fix the cover with the rubber sleeve through fixed establishment and establish on fan shell and support the both sides of rubber sleeve tightly on the flange after, most kinetic energy that the vibration of fan shell produced can be absorbed by the rubber sleeve, has alleviateed the vibration degree of fan shell, and then has alleviateed the fan shell because the noise that the vibration produced, has protected that staff's hearing is healthy.

2. The first sound insulation sleeve and the second sound insulation sleeve which are made of high-density materials and are not parallel to the fan shell and are sleeved outside the rubber sleeve can form a sound insulation structure with the fan shell, so that most of noise generated by residual vibration of the fan shell can be reflected by the first sound insulation sleeve and the second sound insulation sleeve, and the noise emitted by the fan shell is further reduced.

Drawings

Fig. 1 is a schematic perspective view of the present application.

Fig. 2 is a schematic diagram of the explosive structure of the present application.

Fig. 3 is a schematic cross-sectional view of the rubber boot and the structure thereon according to the present application.

Description of reference numerals: 1. a fan housing; 11. a flange; 2. a rubber sleeve; 21. a notch; 22. a rubber strip; 221. an annular groove; 23. a first rubber sheet; 24. a second rubber sheet; 3. a connecting mechanism; 31. a first fixing lever; 32. a second fixing bar; 4. a support bar; 5. a first sound insulating sleeve; 51. a first mounting groove; 6. a second sound insulating sleeve; 61. a second mounting groove; 7. a sealing strip.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses axial compressor of making an uproar smoke exhaust fan falls, refers to fig. 1 and fig. 2, including fan shell 1, the both ends welding of fan shell 1 has flange 11. The fan shell 1 is sleeved with the rubber sleeve 2 in a matching mode, and the rubber sleeve 2 is provided with a notch 21 used for sleeving the rubber sleeve 2 on the fan shell 1.

Referring to fig. 1 and 3, the rubber sleeve 2 is integrally and coaxially provided with a rubber strip 22 in an annular shape and a notch 21 to cut the rubber strip 22, and one surface of the two rubber strips 22 which deviates from each other is flush with the side walls of the two ends of the rubber sleeve 2. The end faces of the two ends of the notch 21 of the rubber sleeve 2 are respectively integrally provided with a first rubber plate 23 and a second rubber plate 24, and the first rubber plate 23 and the second rubber plate 24 are arranged along the length direction of the rubber sleeve 2 and are equal to the rubber sleeve 2 in length. The first rubber sheet 23 and the second rubber sheet 24 may be overlapped and fitted to each other, and the sum of the thicknesses of both sheets is equal to the thickness of the rubber sleeve 2.

Referring to fig. 1 and 2, fixing mechanisms are respectively disposed at two ends of the rubber sleeve 2, each fixing mechanism includes a first fixing rod 31 and a second fixing rod 32, each fixing rod 31 is in a semicircular shape, one end of each fixing rod 31 is rotatably connected to one end of each fixing rod 32, and the other end of each fixing rod 31 is connected to the other end of each fixing rod 32 through a bolt. The annular groove 221 is formed in the circumferential direction of the axis of the rubber sleeve 2 on the face, away from the rubber sleeve 2, of the rubber strip 22, and the first fixing rod 31 and the second fixing rod 32 are both embedded in the annular groove 221 in a matched mode.

A supporting rod 4 is arranged between the two first fixing rods 31, one end of the supporting rod 4 penetrates through the rubber strip 22 and is inserted on one of the first fixing rods 31, the supporting rod 4 can rotate around the axis of the supporting rod, and the other end of the supporting rod 4 penetrates through the rubber strip 22 and the other first fixing rod 31 and is in threaded fit with the supporting rod. The support bar 4 is provided between the two second fixing bars 32 in the same manner as that of the two first fixing bars 31.

When the first fixing rod and the second fixing rod are installed on the rubber strip, one side of any one supporting rod 4 is tightly propped against the first rubber plate 23 and the second rubber plate 24 on the rubber sleeve 2.

The first sound-proof sleeve 5 and the second sound-proof sleeve 6 made of lead are sleeved outside the rubber sleeve 2, and the first sound-proof sleeve 5 and the second sound-proof sleeve 6 can be spliced with each other. The inner walls of the two ends of the first sound insulation sleeve 5 are respectively provided with a first mounting groove 51, the first fixing rod 31 protrudes out of the annular groove 221, the inner wall of the first sound insulation sleeve 5 abuts against the rubber strip 22, and one side of the first fixing rod 31 is embedded in the first mounting grooves 51 in a matching manner; second mounting groove 61 has all been seted up on the inner wall at the both ends of second sound-proof sleeve 6, and second dead lever 32 protrusion ring channel 221, the inner wall laminating of second sound-proof sleeve 6 is supported tight rubber strip 22 and the cooperation of one side of second dead lever 32 and is inlayed and establish in second mounting groove 61.

First sound-proof sleeve 5 and second sound-proof sleeve 6 are all not parallel with fan shell 1, and are provided with sealing strip 7 between the both ends face of first sound-proof sleeve 5 and the mutual amalgamation of second sound-proof sleeve 6, and when first sound-proof sleeve 5 and the mutual amalgamation of second sound-proof sleeve 6, the both sides of sealing strip 7 are sealed with first sound-proof sleeve 5 and the sound insulation of second respectively to tight.

The implementation principle of the noise-reduction axial flow smoke exhaust fan in the embodiment of the application is as follows: after the rubber sleeve 2 is sleeved on the fan shell 1, the first fixing rod 31 and the second fixing rod 32 are matched and embedded in the annular groove 221, the first fixing rod 31 and the second fixing rod 32 are unfolded by rotating the supporting rod 4, the side wall of the rubber strip 22 abuts against the flange 11, two end faces of the rubber sleeve 2 abut against the flange 11, the rubber sleeve 2 and the fan shell are sealed, then two ends of the first fixing rod 31 and the second fixing rod 32 are connected through bolts, the first fixing rod 31 and the second fixing rod 32 are matched and abutted against the bottom of the annular groove 221, and one side of the supporting rod 4 abuts against the first rubber plate 23 and the second rubber plate 24.

Then establish first sound-proof sleeve 5 and second sound-proof sleeve 6 and establish rubber and flee for one's life, support the inner wall of first sound-proof sleeve 5 and second sound-proof sleeve 6 tightly on rubber strip 22, inlay the bulge cooperation of first dead lever 31 and establish in first mounting groove 51, inlay the bulge cooperation of second dead lever 32 and establish in second mounting groove 61, pass through bolted connection with first sound-proof sleeve 5 and second sound-proof sleeve 6, and lay sealing strip 7 between the terminal surface at the both ends of connection between them, accomplish the installation of first sound-proof sleeve 5 and second sound-proof sleeve 6.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an axial compressor smoke exhaust fan of making an uproar falls, includes fan shell (1), the both ends of fan shell (1) are provided with flange (11), its characterized in that: the fan shell (1) is sleeved with a rubber sleeve (2), the two end faces of the rubber sleeve (2) support flanges (11) at the two ends of the fan shell (1), the rubber sleeve (2) is provided with a connecting mechanism (3) and the fan shell (1) are connected, and the rubber sleeve (2) is sleeved with a notch (21) on the fan shell (1).

2. The noise-reducing axial flow smoke exhaust fan according to claim 1, wherein: the connecting mechanism (3) comprises a first fixing rod (31) and a second fixing rod (32) which are semi-annular, one end of the first fixing rod (31) is rotatably connected with one end of the second fixing rod (32), and the inner walls of the first fixing rod (31) and the second fixing rod (32) can be tightly attached to and abutted against the rubber sleeve (2) sleeved on the fan shell (1); the first fixing rod (31) and the second fixing rod (32) are connected through a bolt at one end far away from the rotary connection position of the first fixing rod and the second fixing rod.

3. The noise-reducing axial flow smoke exhaust fan according to claim 2, wherein: rubber sleeve (2) are located just be provided with first rubber slab (23) along its length direction on the lateral wall of breach (21) department, rubber sleeve (2) are located just be provided with second rubber slab (24) along its length direction on another lateral wall of breach (21) department, first rubber slab (23) with second rubber slab (24) can overlap the amalgamation each other, just first rubber slab (23) with the thickness sum of second rubber slab (24) equals the thickness of rubber sleeve (2).

4. The noise-reducing axial flow smoke exhaust fan according to claim 3, wherein: on the both ends of rubber sleeve (2) with rubber sleeve (2) coaxial ring is installed two rubber strip (22) and is cut by breach (21), two a lateral wall decibel that rubber strip (22) deviate from mutually with flange (11) at the both ends of fan shell (1) support tightly, rubber strip (22) deviate from wind in the one side of rubber sleeve (2) ring channel (221) have been seted up to the axis circumference of rubber sleeve (2), first dead lever (31) with second dead lever (32) all cooperate to inlay to establish in ring channel (221).

5. The noise-reducing axial flow smoke exhaust fan according to claim 4, wherein: a supporting rod (4) is arranged between the two first fixing rods (31), one end of the supporting rod (4) is inserted on one of the first fixing rods (31), the supporting rod (4) can rotate around the axis of the supporting rod, and the other end of the supporting rod (4) penetrates through the other first fixing rod (31) and is in threaded fit with the other first fixing rod; a support rod (4) is arranged between the two second fixing rods (32) in the same way as on the two first fixing rods (31).

6. The noise-reducing axial flow smoke exhaust fan according to claim 5, wherein: one side of the supporting rod (4) can be tightly propped against the rubber sleeve (2).

7. The noise-reducing axial flow smoke exhaust fan according to claim 6, wherein: the rubber sleeve (2) is externally sleeved with a first sound insulation sleeve (5) and a second sound insulation sleeve (6) which are made of high-density materials, the first sound insulation sleeve (5) and the second sound insulation sleeve (6) can be mutually spliced, first mounting grooves (51) are formed in the inner walls of the two ends of the first sound insulation sleeve (5), the first fixing rod (31) protrudes out of the annular groove (221), the inner wall of the first sound insulation sleeve (5) abuts against the rubber strip (22), and one side of the first fixing rod (31) is embedded in the first mounting groove (51) in a matched mode; all seted up second mounting groove (61) on the inner wall at the both ends of second sound-proof sleeve (6), second dead lever (32) protrusion ring channel (221), the inner wall laminating of second sound-proof sleeve (6) is supported tightly rubber strip (22) just one side cooperation of second dead lever (32) is inlayed and is established in second mounting groove (61).

8. The noise-reducing axial flow smoke exhaust fan according to claim 7, wherein: the first sound insulation sleeve (5) and the second sound insulation sleeve (6) are not parallel to the fan shell (1).

9. The noise-reducing axial flow smoke exhaust fan according to claim 8, wherein: first syllable-dividing cover (5) with be provided with sealing strip (7) between the both ends face of the mutual amalgamation of second syllable-dividing cover (6), work as first syllable-dividing cover (5) with when second syllable-dividing cover (6) amalgamate each other, the both sides of sealing strip (7) respectively with first syllable-dividing cover (5) with the second syllable-dividing cover supports tightly sealedly.