CN218347616U - Bearing box side cover of centrifugal fan - Google Patents
Bearing box side cover of centrifugal fan Download PDFInfo
- Publication number
- CN218347616U CN218347616U CN202222169037.XU CN202222169037U CN218347616U CN 218347616 U CN218347616 U CN 218347616U CN 202222169037 U CN202222169037 U CN 202222169037U CN 218347616 U CN218347616 U CN 218347616U
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- bearing box
- centrifugal fan
- side cover
- side cap
- cover
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Abstract
The utility model provides a centrifugal fan's bearing box side cap, relates to centrifugal fan's bearing box technical field, and the easy problem that leads to the oil leak that warp when having solved prior art centrifugal fan's bearing box side cap and using includes: the auxiliary supporting device comprises an air cylinder, a supporting block and a connecting body, wherein the connecting body is provided with an air passage, the supporting block is connected with the air passage of the connecting body through a supporting rod, and the air cylinder is connected with the air passage of the connecting body; add floor and auxiliary stay and can consolidate the bearing box side cap in the side cap, prevent to warp, the bearing side cap adds floor and auxiliary stay and can hinder the air current and produce the malleation, reduces revealing of machine oil, adds the angle and the direction that splashes that floor and auxiliary stay effectively hindered machine oil on the side cap, makes its reinforcing seal effect.
Description
Technical Field
The utility model relates to a centrifugal fan's bearing box technical field, concretely relates to centrifugal fan's bearing box side cap.
Background
The bearings of the centrifugal ventilator are lubricated by engine oil, but the oil leakage phenomenon of the bearing box of the centrifugal ventilator generally exists, and the normal operation of the unit can be influenced in serious cases. In order to ensure the safe operation of the unit and realize safe production, the technical improvement on the oil leakage problem of the bearing box has achieved certain effect in recent years, but some defects also exist. Most of bearing boxes in the prior art are of a horizontally split structure, and the external end face of each bearing box is usually sealed by a labyrinth oil seal and a packing, felt or framework oil seal. Although the sealing effect is good, it is still insufficient. The bearing side cover has certain space, produces atmospheric pressure easily, and inside and outside formation atmospheric pressure is poor, and the bearing box fortune when high temperature fan, the temperature rise because of outside temperature rise and the rotatory production of bearing can lead to the bearing box side cover to warp slightly, takes place the oil leak phenomenon easily, leads to oil to reveal, and some splashing in the space also can lead to oil to leak, and the polluted environment influences the normal operating of unit, has the potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The problem that leads to the oil leak warp easily when using to prior art centrifugal fan's bearing box side cap, the utility model provides a centrifugal fan's bearing box side cap consolidates the intensity of bearing box side cap, warp when preventing that the bearing box side cap from using, avoids taking place because of the condition that the oil leak takes place for the bearing box side cap deformation.
The utility model provides a centrifugal fan's bearing box side cap, include: the cover body and the auxiliary supporting device are arranged on the cover body, a mounting flange is arranged on the cover body, a sealing mounting hole is formed in the middle of the cover body, the auxiliary supporting device is arranged on the inner side of the sealing mounting hole and comprises an air cylinder, a supporting block and a connector, an air passage is formed in the connector, the supporting block is connected with the air passage of the connector through a supporting rod, and the air cylinder is connected with the air passage of the connector. The cylinder is inflated to the air flue to enable the supporting rod to move outwards, the supporting rod drives the supporting block to prop against the inner hole of the cover body, the strength of the bearing box side cover is strengthened, the bearing box side cover is prevented from being deformed when in use, and oil leakage is avoided.
Furthermore, the connecting body is provided with an external thread, and the connecting body is connected with the sealing installation hole through the external thread.
Furthermore, the supporting block is arranged to be of an arc-shaped block structure, so that the supporting block and the inner hole of the cover body are conveniently attached and supported.
Furthermore, the supporting plates are arranged on two sides of the supporting rod, so that the supporting strength of the supporting rod is improved.
Furthermore, the auxiliary supporting device and the inner side of the cover body are provided with reinforcing rib plates, so that the strength of the side cover of the bearing box is further improved, and deformation is prevented.
Furthermore, one side of the supporting block is provided with a limiting block, and the limiting block is connected with the inner hole of the cover body in a threaded connection mode, so that the supporting block is limited and prevented from sliding inwards.
The beneficial effects of the utility model reside in that: when the bearing box is used in a high-temperature fan, the side cover of the bearing box is slightly deformed due to external temperature rise and temperature rise generated by bearing rotation, so that the oil leakage phenomenon is easy to occur, and the side cover of the bearing box is reinforced by adding a ribbed plate and an auxiliary supporting device in the side cover to prevent deformation; after the bearing box side cover is installed, a part of space is formed inside, positive pressure can be generated in the space along with the rotation of the shaft, so that the pressure difference between the inside and the outside of the side cover is caused, the engine oil leaks, the rib plate and the auxiliary supporting device which are added on the bearing side cover can block air flow to generate positive pressure, and the leakage of the engine oil is reduced; the sealing effect of the bearing box is related to the splashing angle and direction of oil during oil immersion lubrication, and the ribbed plates and the auxiliary supporting device are added on the side cover to effectively block the splashing angle and direction of the engine oil, so that the sealing effect is enhanced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic sectional view of the present invention.
Fig. 2 is a front view of the auxiliary supporting device.
In the figure, the device comprises a cover body 1, a cover body 2, an auxiliary supporting device 3, a mounting flange 4, a sealing mounting hole 5, a cylinder 6, a supporting block 7, a connecting body 8, a supporting rod 9, a supporting plate 10, a reinforcing rib plate 11 and a limiting block.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, 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 some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a bearing housing-side cover of a centrifugal fan includes: the bearing box cover comprises a cover body 1 and an auxiliary supporting device 2, wherein a mounting flange 3 is arranged on the cover body 1, a sealing mounting hole 4 is formed in the middle of the cover body 1, the auxiliary supporting device 2 is arranged on the inner side of the sealing mounting hole 4, the auxiliary supporting device 2 comprises a cylinder 5, a supporting block 6 and a connector 7, external threads are arranged on the connector 7, the connector 7 is connected with the sealing mounting hole 4 through the external threads, an air passage is formed in the connector 7, the supporting block 6 is connected with the air passage of the connector 7 through a supporting rod 8, the cylinder 5 is connected with the air passage of the connector 7, supporting plates 9 are arranged on two sides of the supporting rod 8, the supporting strength of the supporting rod 8 is improved, reinforcing rib plates 10 are arranged on the inner sides of the auxiliary supporting device 2 and the cover body 1, the strength of a side cover of the bearing box is further improved, and deformation is prevented. The cylinder 5 inflates to the air flue and makes the bracing piece 8 move outward, and the bracing piece 8 drives the supporting shoe 6 and withstands the 1 hole of lid, consolidates the intensity of bearing box side cap, warp when preventing the use of bearing box side cap, avoids the oil leak.
Supporting shoe 6 sets up to arc massive structure, makes things convenient for supporting shoe 6 and 1 hole laminating of lid to support, and one side of supporting shoe 6 is provided with stopper 11, stopper 11 is connected with the hole of lid 1 through threaded connection's mode, plays limiting displacement to supporting shoe 6, prevents that supporting shoe 6 from sliding to the inboard.
The beneficial effects of the utility model reside in that: when the bearing box is used in a high-temperature fan, the side cover of the bearing box is slightly deformed due to external temperature rise and temperature rise generated by bearing rotation, so that the oil leakage phenomenon is easy to occur, and the side cover of the bearing box is reinforced by adding a ribbed plate and an auxiliary supporting device in the side cover to prevent deformation; after the bearing box side cover is installed, a part of space is formed inside, positive pressure can be generated in the space along with rotation of the shaft, so that oil has leakage due to pressure difference inside and outside the side cover, and the rib plate and the auxiliary supporting device which are additionally arranged on the bearing side cover can block air flow to generate positive pressure, so that the leakage of the oil is reduced; the sealing effect of the bearing box is related to the splashing angle and direction of oil during oil immersion lubrication, and the ribbed plates and the auxiliary supporting device are added on the side cover to effectively block the splashing angle and direction of the engine oil, so that the sealing effect is enhanced.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention.
Claims (6)
1. A bearing housing side cover of a centrifugal fan, comprising: the cover body and the auxiliary supporting device are arranged on the cover body, a mounting flange is arranged on the cover body, a sealing mounting hole is formed in the middle of the cover body, the auxiliary supporting device is arranged on the inner side of the sealing mounting hole and comprises an air cylinder, a supporting block and a connector, an air passage is formed in the connector, the supporting block is connected with the air passage of the connector through a supporting rod, and the air cylinder is connected with the air passage of the connector.
2. A side cover of a bearing housing of a centrifugal fan according to claim 1, wherein the connection body is provided with an external thread, and the connection body is connected to the seal mounting hole through the external thread.
3. The side cover for a bearing housing of a centrifugal fan according to claim 1, wherein the support block is provided in an arc-shaped block structure.
4. The bearing housing-side cover of a centrifugal fan according to claim 1, wherein support plates are provided on both sides of the support rod.
5. The side cover for a bearing housing of a centrifugal fan according to claim 1, wherein the auxiliary support means and an inner side of the cover are provided with reinforcing ribs.
6. The side cover for a bearing housing of a centrifugal ventilator according to claim 1, wherein a stopper is provided at one side of the support block, and the stopper is connected to an inner hole of the cover body by means of screw-coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222169037.XU CN218347616U (en) | 2022-08-17 | 2022-08-17 | Bearing box side cover of centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222169037.XU CN218347616U (en) | 2022-08-17 | 2022-08-17 | Bearing box side cover of centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218347616U true CN218347616U (en) | 2023-01-20 |
Family
ID=84915347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222169037.XU Active CN218347616U (en) | 2022-08-17 | 2022-08-17 | Bearing box side cover of centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218347616U (en) |
-
2022
- 2022-08-17 CN CN202222169037.XU patent/CN218347616U/en active Active
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