CN217152417U

CN217152417U - Novel fan volute

Info

Publication number: CN217152417U
Application number: CN202221054471.7U
Authority: CN
Inventors: 刘洪宇
Original assignee: Botou Xinyuda Casting Co ltd
Current assignee: Botou Xinyuda Casting Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-08-09
Anticipated expiration: 2032-05-05

Abstract

The utility model relates to the technical field of fan volutes, in particular to a novel fan volute, which comprises a shell and a base, wherein the front end of the shell is provided with an air inlet, a filtering component is arranged at a position on the shell corresponding to the air inlet, the bottom end of the shell is fixedly connected with a fixed seat, the top end of the base is provided with a groove, a supporting seat is arranged in the groove in a sliding manner, the left end and the right end of the groove are both provided with a sliding groove, the left end and the right end of the supporting seat are both provided with a sliding plate, the top end and the bottom end of the sliding plate are both fixedly connected with a first damper, one end of the first damper, which is far away from the sliding plate, is fixedly connected with the side end of the sliding groove, the outer part of each first damper is sleeved with a first damping spring, the inner part of the supporting seat is provided with a first circular groove, and the inner side wall of the first circular groove is fixedly connected with a plurality of second dampers; the frequency of vibrations of fan during operation can be alleviated to it, improves fan job stabilization nature, prolongs the life of fan.

Description

Novel fan volute

Technical Field

The utility model relates to a fan spiral case technical field specifically is a novel fan spiral case.

Background

As is well known, a fan is a machine that increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine. The fan mainly comprises a shell, an impeller, a rotating shaft, a bearing, an air inlet, an air outlet, a motor and the like, wherein the shell of most fans is a volute shell.

Through the retrieval, chinese patent is CN 202120870073.1's utility model patent discloses a novel fan spiral case, including fan spiral case main part, the below of fan spiral case main part is fixed with spiral case main part support seat, and the outer wall one side of fan spiral case main part has seted up spiral case main part air intake, and it is when using, installs on the stationary plane through spiral case main part support seat, because the fan can produce vibrations at the in-process of work, and its spiral case main part support seat is not convenient for play the shock attenuation effect to the fan, shakes for a long time and leads to the fan to damage easily, reduces the life of fan.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a novel fan spiral case to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a novel fan volute comprises a shell and a base, wherein an air inlet is formed in the front end of the shell, a filtering assembly is mounted on the shell at a position corresponding to the air inlet, a fixed seat is fixedly connected to the bottom end of the shell, a groove is formed in the top end of the base, a supporting seat is arranged inside the groove in a sliding mode, sliding grooves are formed in the left end and the right end of the groove, sliding plates are arranged at the left end and the right end of the supporting seat, first dampers are fixedly connected to the top end and the bottom end of the sliding plates, one end, away from the sliding plate, of each first damper is fixedly connected with the side end of the corresponding sliding groove, a first damping spring is sleeved outside each first damper, a first circular groove is formed inside the supporting seat, a first circular plate is arranged inside the first circular groove in a sliding mode, a plurality of second dampers are fixedly connected to the inner side wall of the first circular groove, and the other ends of the plurality of second dampers abut against the outer side wall of the first circular plate, the outside of each second damper is all overlapped and is equipped with second damping spring, and the top of supporting seat is provided with the second circular slot that communicates with first circular slot, and the inside slip of second circular slot is provided with the second plectane, the bottom of second plectane and the top fixed connection of first plectane, the top of second plectane and the bottom fixed connection of fixing base.

Preferably, the filter assembly includes the collar, the collar is installed at the front end of casing, and the inside rotation of collar is connected with the ring, and the rear end fixedly connected with of ring has two spliced poles, and the internally mounted of ring has the filter screen board, and the front end fixedly connected with scraper blade of collar, the rear end of scraper blade and the front end contact of filter screen board.

Furthermore, the front end of the mounting ring is fixedly connected with a protective net cover.

Still further, the outside cover of fixing base is equipped with solid fixed ring, and solid fixed ring's bottom fixedly connected with is sealed to fill up, and the bottom that fills up contacts with the top of supporting seat.

Further scheme, the sealing ring is installed in the embedding of the inside wall upside of recess, sealing ring and the sealed sliding fit of connecting seat.

On the basis of the scheme, the top end of the base is set to be in a conical structure.

On the basis of the scheme, the air outlet end of the shell is connected with a hose, and the top end of the hose is fixedly connected with a flange.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel fan spiral case possesses following beneficial effect:

this novel fan spiral case can vertically play absorbing effect through the cooperation of a plurality of first dampers and a plurality of damping spring, can transversely play absorbing effect through the cooperation of a plurality of second dampers, a plurality of second damping spring, first plectane and second plectane to can alleviate the frequency of fan during operation vibrations, improve the stability of fan work, prolong the life of fan.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

FIG. 3 is a schematic top sectional view of the filter assembly of the present invention;

fig. 4 is a schematic view of a part a of the enlarged structure of fig. 2 according to the present invention.

In the figure: 1. a housing; 2. a base; 3. a fixed seat; 4. a supporting seat; 5. a slide plate; 6. a first damper; 7. a first damping spring; 8. a first circular plate; 9. a second damper; 10. a second circular plate; 11. a mounting ring; 12. a circular ring; 13. connecting columns; 14. a filter screen plate; 15. a squeegee; 16. a protective mesh enclosure; 17. a fixing ring; 18. a gasket; 19. a seal ring; 20. a hose; 21. a flange; 22. a second damping spring.

Detailed Description

Examples

Referring to fig. 1-4, a novel blower volute comprises a casing 1 and a base 2, wherein an air outlet end of the casing 1 is connected with a hose 20, a flange 21 is fixedly connected to a top end of the hose 20 and is connected with an external pipeline through the flange 21, an air inlet is arranged at a front end of the casing 1, a filter assembly is arranged on the casing 1 corresponding to the air inlet and is used for filtering air entering the casing 1, a fixing seat 3 is fixedly connected to a bottom end of the casing 1, a conical structure is arranged at a top end of the base 2 so as to facilitate water flow on the base 2 to the periphery and avoid accumulation on the base 2, a groove is arranged at the top end of the base 2, a supporting seat 4 is arranged in the groove in a sliding manner, a sealing ring 19 is embedded into an upper side of an inner side wall of the groove, the sealing ring 19 is in sealing sliding fit with the connecting seat so as to avoid water from entering the groove, and sliding chutes are arranged at a left end and a right end of the groove, the left end and the right end of the supporting seat 4 are both provided with a sliding plate 5, the top end and the bottom end of the sliding plate 5 are both fixedly connected with a first damper 6, one end of the first damper 6 far away from the sliding plate 5 is fixedly connected with the side end of the sliding groove, the outside of each first damper 6 is sleeved with a first damping spring 7, the inside of the supporting seat 4 is provided with a first circular groove, the inside of the first circular groove is slidably provided with a first circular plate 8, the diameter of the first circular plate 8 is smaller than that of the first circular groove, the inner side wall of the first circular groove is fixedly connected with a plurality of second dampers 9, the other ends of the plurality of second dampers 9 are all abutted against the outer side wall of the first circular plate 8, the outside of each second damper 9 is sleeved with a second damping spring 22, the top end of the supporting seat 4 is provided with a second circular groove communicated with the first circular groove, the diameter of the second circular groove is smaller than that of the first circular plate 8, the inside of the second circular groove is slidably provided with a second circular plate 10, the bottom end of the second circular plate 10 is fixedly connected with the top end of the first circular plate 8, the top end of the second circular plate 10 is fixedly connected with the bottom end of the fixed seat 3, the fixed ring 17 is sleeved outside the fixed seat 3, the bottom end of the fixed ring 17 is fixedly connected with the sealing gasket 18, the bottom end of the sealing gasket 18 is contacted with the top end of the supporting seat 4, the sealing performance between the fixing ring 17 and the supporting seat 4 is improved through the sealing gasket 18, water is prevented from entering the inner parts of the first circular groove and the second circular groove, the effect of shock absorption in the longitudinal direction can be achieved by the cooperation of the plurality of first dampers 6 and the plurality of first shock-absorbing springs 7, the effect of damping in the lateral direction can be achieved by the cooperation of the plurality of second dampers 9, the plurality of second damping springs 22, the first circular plate 8 and the second circular plate 10, therefore, the vibration frequency of the fan during working can be relieved, the working stability of the fan is improved, and the service life of the fan is prolonged.

It should be further noted that the filtering assembly includes a mounting ring 11, a protective mesh 16 is fixedly connected to the front end of the mounting ring 11 to play a protective role, the mounting ring 11 is installed at the front end of the housing 1, a circular ring 12 is rotatably connected to the inside of the mounting ring 11, two connecting posts 13 are fixedly connected to the rear end of the circular ring 12, a filtering mesh plate 14 is installed inside the circular ring 12, a scraper 15 is fixedly connected to the front end of the mounting ring 11, the rear end of the scraper 15 contacts with the front end of the filtering mesh plate 14, the connecting posts 13 are connected with an impeller of the fan, the impeller rotates to drive the connecting posts 13, the circular ring 12 and the filtering mesh plate 14 to rotate, the filtering mesh plate 14 is used for filtering to prevent impurities such as dust from entering the inside of the fan, prevent dust layer impurities from being adsorbed on the impeller to reduce the blowing effect of the fan, because the scraper 15 is fixedly connected with the mounting ring 11, the position of the scraper 15 is unchanged, the filtering mesh plate 14 rotates relative to the scraper 15, the scraper 15 scrapes off dust on the filter screen plate 14, so as to avoid blockage of the filter screen plate 14.

To sum up, this novel fan spiral case, when using, can vertically play absorbing effect through the cooperation of a plurality of first dampers 6 and a plurality of damping spring 7, through a plurality of second dampers 9, a plurality of second damping spring 22, the cooperation of first plectane 8 and second plectane 10 can transversely play absorbing effect, filter the air that gets into 1 inside of casing through filtering otter board 14, the impeller drives spliced pole 13 simultaneously, ring 12 rotates with filtering otter board 14, avoid impurity such as dust to get into the inside of fan, scrape the dust on the otter board 14 through scraper blade 15.

Claims

1. The utility model provides a novel fan spiral case, includes casing (1) and base (2), its characterized in that: the front end of the shell (1) is provided with an air inlet, a filtering component is installed on the shell (1) at a position corresponding to the air inlet, a fixing seat (3) is fixedly connected to the bottom end of the shell (1), a groove is formed in the top end of the base (2), a supporting seat (4) is arranged in the groove in a sliding mode, sliding chutes are formed in the left end and the right end of the groove, sliding plates (5) are arranged at the left end and the right end of the supporting seat (4), first dampers (6) are fixedly connected to the top end and the bottom end of the sliding plates (5), one end, far away from the sliding plates (5), of each first damper (6) is fixedly connected to the side end of the sliding chute, a first damping spring (7) is sleeved outside each first damper (6), a first circular groove is formed in the supporting seat (4), a first circular plate (8) is arranged in the first circular groove in a sliding mode, and a plurality of second dampers (9) are fixedly connected to the inner side wall of the first circular groove, the other ends of the second dampers (9) are tightly abutted to the outer side wall of the first circular plate (8), a second damping spring (22) is sleeved on the outer portion of each second damper (9), a second circular groove communicated with the first circular groove is formed in the top end of the supporting seat (4), a second circular plate (10) is arranged inside the second circular groove in a sliding mode, the bottom end of the second circular plate (10) is fixedly connected with the top end of the first circular plate (8), and the top end of the second circular plate (10) is fixedly connected with the bottom end of the fixing seat (3).

2. The new blower volute of claim 1, wherein: the filter assembly comprises a mounting ring (11), the mounting ring (11) is mounted at the front end of the shell (1), the mounting ring (11) is rotatably connected with a circular ring (12), the rear end of the circular ring (12) is fixedly connected with two connecting columns (13), a filter screen plate (14) is mounted inside the circular ring (12), a scraper (15) is fixedly connected with the front end of the mounting ring (11), and the rear end of the scraper (15) is in contact with the front end of the filter screen plate (14).

3. The new blower volute of claim 2, wherein: the front end of the mounting ring (11) is fixedly connected with a protective net cover (16).

4. The new blower volute of claim 3, wherein: the outside cover of fixing base (3) is equipped with solid fixed ring (17), and the bottom fixedly connected with of solid fixed ring (17) seals up (18), and the bottom that seals up (18) contacts with the top of supporting seat (4).

5. The novel blower volute of claim 4, wherein: and a sealing ring (19) is embedded into the upper side of the inner side wall of the groove, and the sealing ring (19) is in sealing sliding fit with the connecting seat.

6. The novel blower volute of claim 5, wherein: the top end of the base (2) is set to be a conical structure.

7. The new blower volute of claim 6, wherein: the air outlet end of the shell (1) is connected with a hose (20), and the top end of the hose (20) is fixedly connected with a flange (21).