CN204851741U - Fan with fan hood - Google Patents
Fan with fan hood Download PDFInfo
- Publication number
- CN204851741U CN204851741U CN201520525128.XU CN201520525128U CN204851741U CN 204851741 U CN204851741 U CN 204851741U CN 201520525128 U CN201520525128 U CN 201520525128U CN 204851741 U CN204851741 U CN 204851741U
- Authority
- CN
- China
- Prior art keywords
- fan
- pivot
- seal groove
- hood
- blower fan
- 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
Links
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a fan with fan hood, including the fan blade of fan, with the pivot that the fan blade is connected, the pivot is connected with the motor, and the motor shaft rear portion is fixed with the fan hood, the fan hood includes pivot tail circle, horn cover and outer lane, pivot tail snare is established on motor shaft, and pivot tail circle inboard is equipped with one at least ring type seal groove, the seal groove bottom has been seted up one and has been followed axial round hole, the round hole is - 1- - 5 with the contained angle that the horizontal plane becomes, the horn cover is equipped with osculum and macrostoma, and osculum department connects with pivot tail snare, the outer lane is connected with the horn cover macrostoma, with carrying out the setting of many seal grooves in the pivot hood, can gather the oil that spills in effectively ensureing the per pass seal groove, negative angle degree round hole that the seal groove bottom set up, can get into the oil backward flow in the seal groove pivot motor inside, effectively prevent the outer hourglass of oil stain, guarantee the clean and tidy of fan shell.
Description
Technical field
The utility model relates to a kind of blower fan, particularly relates to a kind of blower fan with blower fan hood.
Background technique
The a lot of high pressure positive blowers used in existing market, the High Rotation Speed of its rotating shaft needs the infiltration of a lot of lubricant oil, its rotating shaft speckles with a lot of oil unavoidably, but the rotating shaft sealing ring recess that existing its rear portion of blower fan hood is arranged only has one, in the long-term rotary course of rotating shaft, can machine oil be infiltrated in seal groove, accumulate for a long time, oil can spill, and pollutes mechanical part.
Model utility content
For above-mentioned produced problem, the utility model provides a kind of reasonable in design, blower fan that structure simply effectively controls blower fan hood rotating shaft leakage of oil.
A kind of blower fan with blower fan hood, comprise the fan blade of blower fan, the rotating shaft be connected with fan blade, rotating shaft is connected with motor, machine shaft rear portion is fixed with blower fan hood, and described blower fan hood comprises rotating shaft tail circle, horn cover and outer ring, and described rotating shaft tail snare is located on machine shaft, be provided with at least one O-ring seal groove inside rotating shaft tail circle, bottom described seal groove, offer a circular hole vertically; Described circular hole and horizontal plane angle are-1 ° ~-5 °; Described horn cover is provided with osculum and great Kou, and osculum place and rotating shaft tail snare connect; Described outer ring is connected with the large mouth of horn cover.
Described outer ring surrounding is provided with fixed hole.
Compared with prior art, the hungry beneficial effect had is: carry out the setting of many seal grooves by rotating shaft hood, can assemble oil spill in effective guarantee per pass seal groove, the negative angle circular hole arranged bottom seal groove, oil backflow in seal groove can be entered rotating shaft electric motor inside, leaking outside of effective prevention oil stain, ensures the clean and tidy of flow blower casing.
Accompanying drawing explanation
Fig. 1 is the utility model blower fan hood sectional view;
Fig. 2 is the utility model blower fan hood structural representation.
Embodiment
Be illustrated as a kind of embodiment of the utility model blower fan, as shown in Figure 1, 2, with a blower fan for blower fan hood, comprise the fan blade of blower fan, the rotating shaft be connected with fan blade, rotating shaft is connected with motor, machine shaft rear portion is fixed with blower fan hood, and described blower fan hood comprises rotating shaft tail circle 1, horn cover 2 and outer ring 3, and described rotating shaft tail snare is located on machine shaft, be provided with 3 road ring packing ring recess 4 inside rotating shaft tail circle, bottom described seal groove, offer a circular hole 5 vertically; Described circular hole and horizontal plane angle are-3 °; Described horn cover is provided with osculum and great Kou, and osculum place and rotating shaft tail snare connect; Described outer ring and horn cover link greatly and connect, and outer ring surrounding is provided with fixed hole.
Claims (2)
1. the blower fan with blower fan hood, comprise the fan blade of blower fan, the rotating shaft be connected with fan blade, rotating shaft is connected with motor, and machine shaft rear portion is fixed with blower fan hood, it is characterized in that, described blower fan hood comprises rotating shaft tail circle, horn cover and outer ring, described rotating shaft tail snare is located on machine shaft, is provided with at least one O-ring seal groove inside rotating shaft tail circle, offers a circular hole vertically bottom described seal groove; Described circular hole and horizontal plane angle are-1 ° ~-5 °; Described horn cover is provided with osculum and great Kou, and osculum place and rotating shaft tail snare connect; Described outer ring is connected with the large mouth of horn cover.
2. as claimed in claim 1 with the blower fan of blower fan hood, it is characterized in that, described outer ring arranged outside has fixed hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520525128.XU CN204851741U (en) | 2015-07-20 | 2015-07-20 | Fan with fan hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520525128.XU CN204851741U (en) | 2015-07-20 | 2015-07-20 | Fan with fan hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204851741U true CN204851741U (en) | 2015-12-09 |
Family
ID=54742295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520525128.XU Expired - Fee Related CN204851741U (en) | 2015-07-20 | 2015-07-20 | Fan with fan hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204851741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973417A (en) * | 2017-12-27 | 2019-07-05 | 宫振东 | A kind of novel bearing seal protector |
-
2015
- 2015-07-20 CN CN201520525128.XU patent/CN204851741U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973417A (en) * | 2017-12-27 | 2019-07-05 | 宫振东 | A kind of novel bearing seal protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20180720 |