CN217814129U

CN217814129U - Fan volute with vibration buffering function

Info

Publication number: CN217814129U
Application number: CN202221895785.XU
Authority: CN
Inventors: 仇铮铮; 仇崇光; 仇卫军; 陈曙勇; 谢尊严; 陈健澄; 陈铧; 卢陈洁
Original assignee: Wenzhou Aiguang Electromechanical Equipment Co ltd
Current assignee: Wenzhou Aiguang Electromechanical Equipment Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-11-15
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a fan spiral case with vibrations buffer function, including the spiral case storehouse, the shape in spiral case storehouse sets up to open-sided cavity structure, one side center department in spiral case storehouse runs through and has seted up the spacing hole in axle center, the draw-in groove has been seted up to spiral case storehouse inner wall, be equipped with in the spiral case storehouse and inhale the sound ring, inhale sound ring outer wall fixedly connected with card strip, draw-in groove and card strip phase-match, inhale sound ring and spiral case storehouse through card strip and draw-in groove joint, inhale sound ring inner wall fixedly connected with and inhale the sound strip. The utility model discloses a set up the buffering subassembly, cushion the shock attenuation to the vibrations that produce in the fan working process to can reduce the vibration noise, improve operational environment, the setting of buffering subassembly has reduced the wearing and tearing between the fan bearing frame part, has reduced the part loss, has reduced cost of maintenance, sets up the fixed plate and can consolidate supporting shoe and backup pad, makes the structure more stable, and the equipment is convenient.

Description

Fan volute with vibration buffering function

Technical Field

The utility model relates to a fan spiral case technical field, concretely relates to fan spiral case with vibrations buffer function.

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; fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion. At present, the fan can produce great vibrations and noise when the operation, vibrations are too big can influence the life of fan, and the noise pollution has been produced to the noise is too big to cause harmful effects to people's health.

The existing fan volute is basically of a fixed mounting structure, vibration generated by the fan cannot be buffered, fastening bolts can be loosened after the fan volute is used for a long time, and the service life of the fan is influenced.

Therefore, it is necessary to provide a blower volute with a vibration damping function to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fan spiral case with vibrations buffer function, through setting up the buffering subassembly, the shock attenuation is cushioned to the vibrations that produces in the fan working process to can reduce the vibration noise, operational environment has been improved, the setting of buffering subassembly has reduced the wearing and tearing between the fan bearing frame part, the part loss has been reduced, cost of maintenance has been reduced, it can consolidate supporting shoe and backup pad to set up the fixed plate, make the structure more stable, the equipment is convenient, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: a fan volute with a vibration buffering function comprises a volute bin, wherein the volute bin is shaped into a cavity structure with an opening in the side face, an axle center limiting hole is formed in the center of one side of the volute bin in a penetrating mode, a clamping groove is formed in the inner wall of the volute bin, a sound absorbing ring is arranged in the volute bin, a clamping strip is fixedly connected to the outer wall of the sound absorbing ring, the clamping groove is matched with the clamping strip, the sound absorbing ring is clamped with the volute bin through the clamping strip and the clamping groove, a sound absorbing strip is fixedly connected to the inner wall of the sound absorbing ring, an air outlet is formed in one side of the sound absorbing ring, a limiting groove is formed in the inner wall of the air outlet of the volute bin, a sound absorbing plate is arranged in the limiting groove, the sound absorbing plate is clamped with the volute bin, a supporting block is fixedly connected to the bottom of the volute bin, a supporting plate is fixedly connected to the bottom of the supporting block, a bottom plate is arranged below the supporting plate, a limiting column is fixedly connected to the center of the top of the bottom plate, a sliding groove is formed in the inner wall of the limiting column, a movable column is provided with a fixing ring, the fixing ring is slidably connected to a sliding groove, a first spring is arranged between the fixing ring and a base, two ends of a plurality of fixing springs are respectively fixedly connected to the fixing ring, and a second spring are arranged between the fixing spring, and a base, and a second spring are arranged between the fixing ring, and a second spring assembly, and a base;

the buffer component comprises a telescopic rod, the number of the telescopic rod is set to be two, the top and the bottom of the telescopic rod are respectively fixedly connected with a supporting plate and a bottom plate and are two, a third spring is arranged on the outer side of the telescopic rod, two ends of the third spring are respectively fixedly connected with the supporting plate and a base, a movable groove is formed in the top of the bottom plate, a limiting rod is arranged in the movable groove, a sliding block is sleeved on the limiting rod, a fourth spring is arranged between the sliding block and the movable groove, two ends of the fourth spring are respectively fixedly connected with the inner wall of the movable groove and the sliding block, a short plate is fixedly connected with the bottom of the supporting plate, the number of the short plate is set to be two, a supporting column is arranged between the short plates, the supporting column is hinged to the short plate, and the bottom of the supporting column is hinged to the sliding block.

As the utility model discloses an optimal scheme, the quantity of buffering subassembly sets up to two the buffering subassembly is symmetric distribution about the spiral case storehouse, sets up the buffering subassembly, cushions the shock attenuation to the vibrations that produce in the fan working process, has reduced the wearing and tearing between the fan bearing frame part, has reduced the part loss, has reduced cost of maintenance.

As the utility model discloses an optimal scheme, supporting shoe one side is equipped with the fixed plate, be equipped with the screw on the fixed plate, the fixed plate both ends are respectively through screw and supporting shoe and backup pad fixed connection, set up the fixed plate and can consolidate supporting shoe and backup pad for the structure is more stable, and the equipment is convenient.

As the utility model discloses an optimal scheme, the quantity of abatvoix sets up to a plurality of, and is a plurality of abatvoix evenly distributed, the quantity phase-match of spacing groove and abatvoix sets up the abatvoix and can absorb air-out department because the produced noise of circulation of air, through inhaling mutually supporting between sound ring and the abatvoix, and then can reduce the produced noise of fan in work.

As the utility model discloses a preferred scheme, the quantity of inhaling the sound strip sets up to a plurality ofly, and is a plurality of inhale the sound strip and be the annular distribution, a plurality of sound strips of inhaling are in order to absorb the produced noise of fan leaf when high-speed pivoted.

As the preferred scheme of the utility model, honeycomb holes have been seted up to one side of abatvoix, honeycomb holes's quantity sets up to a plurality ofly, and is a plurality of honeycomb holes evenly distributed, the last honeycomb holes of abatvoix can further improve the sound absorbing effect of abatvoix.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the damping assembly is arranged to buffer and damp vibration generated in the working process of the fan, vibration noise can be reduced, the working environment is improved, abrasion among parts of a bearing seat of the fan is reduced due to the arrangement of the damping assembly, the part loss is reduced, the maintenance cost is reduced, and the supporting block and the supporting plate can be reinforced due to the arrangement of the fixing plate, so that the structure is more stable and the assembly is convenient;

2. the central shaft of the fan blade can be conveniently limited by arranging the shaft center limiting hole, the plurality of sound absorbing strips and the sound absorbing boards are arranged to absorb noise generated by the fan blade in high-speed rotation, the air outlet on one side of the sound absorbing ring can ensure air circulation, and the air speed and the enough air output are ensured.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a first perspective view of the present invention;

fig. 2 is a perspective view of a second viewing angle of the present invention;

FIG. 3 is a perspective view of the volute chamber of the present invention;

FIG. 4 is a perspective view of the sound absorbing ring of the present invention;

FIG. 5 is a schematic view of the buffer assembly of the present invention;

fig. 6 is an enlarged view of a portion a of the structure of fig. 5 according to the present invention;

fig. 7 is a sectional view of the movable post and the spacing post of the present invention.

Description of the reference numerals:

1. a volute bin; 2. an axis limiting hole is arranged; 3. a card slot; 4. a sound absorbing ring; 5. clamping the strip; 6. a sound absorbing strip; 7. an air outlet; 8. a limiting groove; 9. a sound-absorbing panel; 10. a support block; 11. a support plate; 12. a base plate; 13. a limiting column; 14. a chute; 15. a movable post; 16. a fixing ring; 17. a first spring; 18. a second spring; 19. a buffer assembly; 20. a telescopic rod; 21. a third spring; 22. a movable groove; 23. a limiting rod; 24. a slider; 25. a fourth spring; 26. a short board; 27. a support pillar; 28. a fixing plate; 29. a screw; 30. and (4) honeycomb holes.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a fan volute with vibration buffering function as shown in fig. 1-7, including volute bin 1, the shape of volute bin 1 is set up to the open-sided cavity structure, one side center of volute bin 1 runs through and has seted up axle center spacing hole 2, volute bin 1 inner wall has seted up draw-in groove 3, be equipped with in volute bin 1 and inhale sound ring 4, inhale sound ring 4 outer wall fixedly connected with card strip 5, draw-in groove 3 and card strip 5 phase-match, inhale sound ring 4 and volute bin 1 through card strip 5 and draw-in groove 3 joint, inhale sound ring 4 inner wall fixedly connected with sound absorption strip 6, inhale sound ring 4 one side and have seted up air outlet 7, volute bin 1 air-out inner wall has seted up spacing groove 8, be equipped with sound absorption plate 9 in spacing groove 8, sound absorption plate 9 and volute bin 1 joint, volute bin 1 bottom fixedly connected with supporting shoe 10, supporting shoe 10 bottom fixedly connected with backup pad 11, backup pad 11 bottom plate below is equipped with 12, bottom plate 12 top center fixedly connected with spacing post 13, spacing post 13 has seted up spout 14 in spacing post 13, be equipped with movable post 15 in spacing post 13, fixed with fixed ring 16 on movable post 15, fixed ring 16 is connected with fixed ring 16, fixed ring 16 with spout 14, be equipped with fixed ring 14 and fixed connection between fixed ring 14 and fixed spring 17, be equipped with the fixed spring 17 between fixed ring, be equipped with the fixed spring assembly and a plurality of spring 17 and a plurality of fixed ring, it is set up to be respectively with the fixed spring, be the fixed spring 17 and be the fixed ring 13, it is connected with the fixed ring 13, it is set up to be the fixed ring 13, it is equipped with the fixed ring 13, it is the fixed spring assembly and the fixed ring 17 and the fixed ring 13, it is equipped with the fixed spring assembly and the fixed ring 13 respectively, it is equipped with the fixed ring 17 and the second movable post, it is set up the fixed spring assembly and the fixed ring 17 and is set up to be the fixed ring 13 respectively;

buffering subassembly 19 includes telescopic link 20, telescopic link 20's quantity sets up to two, two telescopic link 20 tops and bottom respectively with backup pad 11 and bottom plate 12 fixed connection, two telescopic link 20 outsides all are equipped with third spring 21, two third spring 21 both ends respectively with backup pad 11 and base fixed connection, movable groove 22 has been seted up at bottom plate 12 top, be equipped with gag lever post 23 in the movable groove 22, slider 24 has been cup jointed on the gag lever post 23, be equipped with fourth spring 25 between slider 24 and the movable groove 22, fourth spring 25 both ends respectively with movable groove 22 inner wall and slider 24 fixed connection, the short board 26 of backup pad 11 bottom fixedly connected with, the quantity of short board 26 sets up to two, be equipped with support column 27 between two short boards 26, support column 27 is articulated with short board 26, support column 27 bottom is articulated with slider 24.

Further, in the above technical solution, the number of the buffer assemblies 19 is two, and the two buffer assemblies 19 are symmetrically distributed about the volute bin 1;

specifically, the vibrations of fan during operation pass through the fixed block and transmit backup pad 11 on, backup pad 11 drives movable post 15 and reciprocates, movable post 15 slows down the vibrations effect under the effect of second spring 18, gu fixed ring 16 slows down the vibrations effect under the elastic action of first spring 17, backup pad 11 drives telescopic link 20 concertina movement, further alleviate the vibrations effect under the effect of third spring 21, the vibrations of backup pad 11 drive the slider 24 and remove, under the effect of fourth spring 25, strengthen the shock attenuation effect.

Furthermore, in the above technical solution, one side of the supporting block 10 is provided with a fixing plate 28, the fixing plate 28 is provided with a screw 29, and two ends of the fixing plate 28 are respectively fixedly connected with the supporting block 10 and the supporting plate 11 through the screw 29;

specifically, the fixing plate 28 may be detached from or attached to the support block 10 and the support plate 11 by screws 29, and the fixing plate 28 may make the structure more stable.

Further, in the above technical solution, the number of the sound-absorbing plates 9 is set to be multiple, the plurality of sound-absorbing plates 9 are uniformly distributed, and the number of the limiting grooves 8 matches with the number of the sound-absorbing plates 9;

specifically, the wind generated by the fan blades is blown out from the air outlet 7 and passes through the sound-absorbing plate 9, and the sound-absorbing plate 9 reduces the noise generated during air circulation.

Further, in the above technical solution, the number of the sound absorbing strips 6 is set to be plural, and the plural sound absorbing strips 6 are distributed annularly;

specifically, when the fan is working, the noise generated by the high speed rotation of the fan blade is absorbed by the sound absorbing strips 6 on the sound absorbing ring 4.

Further, in the above technical solution, one side of the sound-absorbing plate 9 is provided with a plurality of honeycomb holes 30, and the plurality of honeycomb holes 30 are uniformly distributed;

specifically, honeycomb holes 30 on the sound-absorbing plate 9 can further enhance the sound-absorbing effect of the sound-absorbing plate 9, and through the mutual cooperation between the sound-absorbing ring 4 and the sound-absorbing plate 9, the noise generated by the fan in the working process can be reduced.

The utility model provides a pair of fan spiral case with vibrations buffer function when using, its working process is:

when the fan works, noise generated by high-speed rotation of the fan blade is absorbed by the sound absorption strips 6 on the sound absorption ring 4, wind generated by the fan blade is blown out from the air outlet 7 and passes through the sound absorption plate 9, the sound absorption plate 9 reduces noise generated during air circulation, the sound absorption effect of the sound absorption plate 9 is further enhanced through honeycomb holes 30 in the sound absorption plate 9, vibration generated during working of the fan is transmitted to the supporting plate 11 through the supporting block 10, the supporting plate 11 drives the movable column 15 to move up and down, the movable column 15 slows down the vibration effect under the action of the second spring 18, the fixed ring 16 slows down the vibration effect under the elastic action of the first spring 17, the supporting plate 11 drives the telescopic rod 20 to move in an extending and contracting manner under the action of the third spring 21, the vibration effect is further reduced, the sliding block 24 is driven by vibration of the supporting plate 11 to move left and right, and the vibration reduction effect is enhanced under the action of the fourth spring 25.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a fan spiral case with vibrations buffer function, includes spiral case storehouse (1), its characterized in that: the shape of the volute bin (1) is set to be a cavity structure with an opening on the side, one side center of the volute bin (1) is provided with an axis limiting hole (2) in a penetrating mode, the inner wall of the volute bin (1) is provided with a clamping groove (3), the volute bin (1) is internally provided with a sound absorption ring (4), the outer wall of the sound absorption ring (4) is fixedly connected with a clamping strip (5), the clamping groove (3) is matched with the clamping strip (5), the sound absorption ring (4) is connected with the volute bin (1) through the clamping strip (5) and the clamping groove (3), the inner wall of the sound absorption ring (4) is fixedly connected with a sound absorption strip (6), the sound absorption ring (4) is provided with an air outlet (7) on one side, the inner wall of the air outlet of the volute bin (1) is provided with a limiting groove (8), the sound absorption plate (9) is arranged in the limiting groove (8), the sound absorption plate (9) is connected with the volute bin (1) in a clamping mode, the bottom of the volute bin (1) is fixedly connected with a supporting block (10), the bottom is fixedly connected with a supporting plate (11), the bottom is provided with a bottom plate (12) is provided with a fixed column (13) and a movable sliding groove (13) and a movable column (13) arranged below the limiting column (13) arranged below the supporting plate (13), the movable column is characterized in that a fixing ring (16) is fixedly connected to the movable column (15), the fixing ring (16) is slidably connected with the sliding groove (14) in the sliding groove (14), a first spring (17) is arranged between the fixing ring (16) and the sliding groove (14), two ends of the first spring (17) are respectively fixedly connected with the fixing ring (16) and the sliding groove (14), the number of the first springs (17) is multiple, the first springs (17) are distributed annularly, a second spring (18) is arranged between the movable column (15) and the limiting column (13), two ends of the second spring (18) are respectively fixedly connected with the movable column (15) and the limiting column (13), and a buffer assembly (19) is arranged between the supporting plate (11) and the base;

buffer unit (19) includes telescopic link (20), the quantity of telescopic link (20) sets up to two, two telescopic link (20) top and bottom respectively with backup pad (11) and bottom plate (12) fixed connection, two telescopic link (20) outside all is equipped with third spring (21), two third spring (21) both ends respectively with backup pad (11) and base fixed connection, activity groove (22) have been seted up at bottom plate (12) top, be equipped with gag lever post (23) in activity groove (22), slider (24) have been cup jointed on gag lever post (23), be equipped with fourth spring (25) between slider (24) and activity groove (22), fourth spring (25) both ends respectively with activity groove (22) inner wall and slider (24) fixed connection, backup pad (11) bottom fixedly connected with short board (26), the quantity of short board (26) sets up to two be equipped with support column (27) between board (26), support column (27) are articulated with short board (26), support column (27) bottom and slider (24) are articulated.

2. The blower volute with vibration damping function as claimed in claim 1, wherein: the number of the buffer assemblies (19) is two, and the two buffer assemblies (19) are symmetrically distributed around the volute bin (1).

3. The blower volute with vibration damping function as claimed in claim 1, wherein: a fixing plate (28) is arranged on one side of the supporting block (10), a screw (29) is arranged on the fixing plate (28), and two ends of the fixing plate (28) are fixedly connected with the supporting block (10) and the supporting plate (11) through the screw (29) respectively.

4. The blower volute with vibration damping function as claimed in claim 1, wherein: the number of the sound-absorbing boards (9) is set to be a plurality of, and the sound-absorbing boards (9) are uniformly distributed, and the limiting grooves (8) are matched with the sound-absorbing boards (9) in number.

5. The blower volute with vibration damping function as claimed in claim 1, wherein: the number of the sound absorption strips (6) is set to be a plurality of, and the sound absorption strips (6) are distributed annularly.

6. The blower volute with vibration damping function as claimed in claim 1, wherein: cellular holes (30) are formed in one side of the sound-absorbing plate (9), the number of the cellular holes (30) is set to be multiple, and the cellular holes (30) are uniformly distributed.