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CN209781247U - Centrifugal ventilator - Google Patents

Centrifugal ventilator Download PDF

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Publication number
CN209781247U
CN209781247U CN201822198206.6U CN201822198206U CN209781247U CN 209781247 U CN209781247 U CN 209781247U CN 201822198206 U CN201822198206 U CN 201822198206U CN 209781247 U CN209781247 U CN 209781247U
Authority
CN
China
Prior art keywords
impeller
wind shell
shaft
axle
sides
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.)
Expired - Fee Related
Application number
CN201822198206.6U
Other languages
Chinese (zh)
Inventor
施德泉
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.)
Nantong Xiehe Fan Technology Co Ltd
Original Assignee
Nantong Xiehe Fan Technology 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 Nantong Xiehe Fan Technology Co Ltd filed Critical Nantong Xiehe Fan Technology Co Ltd
Priority to CN201822198206.6U priority Critical patent/CN209781247U/en
Application granted granted Critical
Publication of CN209781247U publication Critical patent/CN209781247U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a centrifugal fan, it includes the wind shell and installs the impeller in the wind shell, the wind shell is fixed on the footing, open at wind shell side center has the air intake, the bottom of wind shell is provided with the air outlet, air intake department is provided with air intake filter in the wind shell, the impeller center is connected with the pivot, install the axle sleeve subassembly outward in the pivot, the pivot includes straight axle and bending shaft, straight axle end is connected with bending shaft, open the both sides of straight axle has the oil filler hole, open outward the straight axle has the oil drain hole, open in impeller center both sides has the oil filler hole, the oil filler hole communicates with the lubricated passageway that the impeller side formed. The oil filling holes are formed in the two sides of the straight shaft, the shaft part can be directly lubricated, the oil filling holes are formed in the two sides of the center of the impeller, the impeller part is fully lubricated, one oil filling hole is filled in the oil filling hole and can be diffused into the lubricating channels on the two sides, and the lubricating effect is good.

Description

Centrifugal ventilator
Technical Field
The utility model relates to a fan, concretely relates to centrifugal fan.
Background
Centrifugal fans are machines that rely on input mechanical energy to increase gas pressure and discharge gas. Centrifugal fans are widely used in ventilation, dust extraction and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings. The general centrifugal fan comprises a casing, a main shaft, an impeller, a bearing transmission mechanism, a motor and the like, in order to ensure that the fan runs smoothly and the service life is prolonged, lubricating oil is generally required to be filled for lubrication, a lubricating point is generally arranged at the bearing, the lubrication at the impeller is generally ignored, a lubricating groove is difficult to be formed at the impeller, and the process for machining the groove hole is complex.
SUMMERY OF THE UTILITY MODEL
For solving the problem in the above-mentioned background art, the utility model provides a long service life's centrifugal fan.
The utility model provides a following technical scheme:
Centrifugal fan, it includes the wind shell and installs the impeller in the wind shell, the wind shell is fixed on the footing, open at wind shell side center has the air intake, the bottom of wind shell is provided with the air outlet, air intake department is provided with the air inlet filter in the wind shell, the impeller center is connected with the pivot, install the axle sleeve subassembly outward in the pivot, the pivot includes straight axle and the axle of buckling, the straight axle is terminal to be connected with the axle of buckling, open the both sides of straight axle has the oil filler hole, open outward the oil drain hole of straight axle, open impeller center both sides has the oil filler hole, the oil filler hole communicates with the lubricated passageway that the impeller side formed.
Further, the shaft sleeve assembly comprises a shaft sleeve and a shaft cover, and the shaft cover is tightly connected with the shaft sleeve.
Furthermore, a speed measuring hole is formed above the shaft sleeve outside the straight shaft.
Furthermore, the lubricating channels are arc-shaped, the oil filling holes are used as centers, and the two lubricating channels are symmetrically arranged.
Further, the air inlet filter comprises a primary filter and a high-efficiency filter.
Compared with the prior art, the beneficial effects of the utility model are that: the oil filling holes are formed in the two sides of the straight shaft, the shaft part can be directly lubricated, the oil filling holes are formed in the two sides of the center of the impeller, the impeller part is fully lubricated, one oil filling hole is filled in the oil filling hole and can be diffused into the lubricating channels on the two sides, and the lubricating effect is good.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the present invention.
Fig. 3 is a schematic structural diagram of the intake filter of the present invention.
In the figure: 1. a wind shell; 2. an impeller; 3. an air inlet; 4. an air outlet; 5. an air inlet filter 51, a primary filter 52 and a high-efficiency filter; 6. a rotating shaft 61, a straight shaft 62 and a bending shaft; 7. a shaft sleeve; 8. a shaft cover; 9. a speed measuring hole; 10. an oil filling hole; 11. an oil drain hole; 12. an oil filler hole; 13. lubrication channel, 14, footing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, the centrifugal fan of the present invention comprises a wind case 1 and an impeller 2 installed in the wind case 1, the wind case 1 is fixed on a footing 14, an air inlet 3 is opened at the center of one side surface of the wind case 1, an air outlet 4 is provided at the bottom of the wind case 1, an air inlet filter 5 is provided at the air inlet 3 in the wind case 1, the center of the impeller 2 is connected with a rotating shaft 6, a shaft sleeve assembly is installed outside the rotating shaft 6, the shaft sleeve assembly comprises a shaft sleeve 7 and a shaft cover 8, the shaft cover 8 is fastened and connected with the shaft sleeve 7, the rotating shaft 6 comprises a straight shaft 61 and a bent shaft 62, the end of the straight shaft 61 is connected with the bent shaft 62, oil filling holes 10 are provided at both sides of the straight shaft 61, the shaft can be directly lubricated, the fan rotates more flexibly, rust is avoided, an oil discharging hole 11 is provided below the shaft sleeve 7 outside the straight shaft 61, redundant oil can be discharged through the, the oil filler hole 12 communicates with a lubrication passage 13 formed in the side surface of the impeller 2. The impeller 2 is fully lubricated, and an oil filling hole 12 is filled in the impeller and can be diffused into the lubricating channels 13 at two sides, so that the lubricating effect is good.
In order to measure the rotating speed conveniently, a speed measuring hole 9 is formed above the shaft sleeve 8 outside the straight shaft 61.
The lubrication passages 13 are arc-shaped, centered on the oil hole 12, and the two lubrication passages 13 are symmetrically arranged. Increase the lubrication area and have good lubrication effect.
as shown in fig. 3, the intake filter 5 includes a primary filter 51 and a high-efficiency filter 52. Through two filters, impurity that smugglies secretly when can admitting air is got rid of outside, reduces the damage to the impeller, increase of service life.
The rotating shaft 6 is driven to rotate by a motor, the air casing 1 is mainly used for introducing gas and discharging gas, meanwhile, partial kinetic energy of the gas is converted into pressure energy, and the pressure energy flows to the outlet of the ventilator through the guide of the volute casing-shaped casing. The oil filling holes 10 are formed in the two sides of the straight shaft 61, the shaft part can be directly lubricated, the oil filling holes 12 are formed in the two sides of the center of the impeller 2, the part of the impeller 2 is fully lubricated, one oil filling hole 12 can be injected into the lubricating channel 13 on the two sides, and the lubricating effect is good.

Claims (5)

1. Centrifugal fan, its characterized in that: it includes the wind shell and installs the impeller in the wind shell, the wind shell is fixed on the footing, open at wind shell side center has the air intake, the bottom of wind shell is provided with the air outlet, air intake department is provided with the filter that admits air in the wind shell, the impeller center is connected with the pivot, install the axle sleeve subassembly outward in the pivot, the pivot is including straight axle and the axle of buckling, straight axle end is connected with the axle of buckling, open the both sides of straight axle has the tank filler hole, open outward the straight axle has the oil drain hole, open impeller center both sides has the oil filler hole, the oil filler hole communicates with the lubricated passageway that impeller side formed.
2. The centrifugal ventilator of claim 1, wherein: the shaft sleeve assembly comprises a shaft sleeve and a shaft cover, and the shaft cover is tightly connected with the shaft sleeve.
3. A centrifugal ventilator according to claim 2, wherein: and a speed measuring hole is formed above the shaft sleeve outside the straight shaft.
4. The centrifugal ventilator of claim 1, wherein: the lubricating channels are arc-shaped, the oil filling holes are used as centers, and the two lubricating channels are symmetrically arranged.
5. The centrifugal ventilator of claim 1, wherein: the air inlet filter comprises a primary filter and a high-efficiency filter.
CN201822198206.6U 2018-12-25 2018-12-25 Centrifugal ventilator Expired - Fee Related CN209781247U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822198206.6U CN209781247U (en) 2018-12-25 2018-12-25 Centrifugal ventilator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822198206.6U CN209781247U (en) 2018-12-25 2018-12-25 Centrifugal ventilator

Publications (1)

Publication Number Publication Date
CN209781247U true CN209781247U (en) 2019-12-13

Family

ID=68790772

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822198206.6U Expired - Fee Related CN209781247U (en) 2018-12-25 2018-12-25 Centrifugal ventilator

Country Status (1)

Country Link
CN (1) CN209781247U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191213

CF01 Termination of patent right due to non-payment of annual fee