CN210949194U - Negative pressure sealing device for fan - Google Patents
Negative pressure sealing device for fan Download PDFInfo
- Publication number
- CN210949194U CN210949194U CN201921749056.1U CN201921749056U CN210949194U CN 210949194 U CN210949194 U CN 210949194U CN 201921749056 U CN201921749056 U CN 201921749056U CN 210949194 U CN210949194 U CN 210949194U
- Authority
- CN
- China
- Prior art keywords
- fan
- fan shell
- sealing device
- bearing
- sealed tube
- 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.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a fan negative pressure sealing device, including the fan shell, fan shell right side is equipped with the import that is loudspeaker column structure, and fan shell connects the bearing in the left side, and the bearing passes through the belt and connects the motor, and the motor is fixed through the mount, is equipped with sealing device between bearing and the fan shell, and is fixed through the sealing member, and fan shell bottom is equipped with the air exit, and sealing device includes the seal box, and the seal box top is equipped with the sealed tube, and in the sealed tube other end extended to fan shell top aperture, aperture and sealed tube periphery were equipped with assorted O type sealing washer with it. The utility model discloses simple structure, sealing performance is good, prevents to reveal, shortens the suction time, improves work efficiency and precision, improves the heat-proof quality through the insulating layer, increase of service life, import have good resistance to compression, wear-resisting, anticorrosive dampproofing, shock resistance effect.
Description
Technical Field
The utility model particularly relates to a fan negative pressure sealing device.
Background
In the waste gas treatment process, the fan device is the last important step, because the existing fan device has the leakage between the bearing and the fan shell to cause environmental pollution in the rotation process, the working precision is reduced, and the abrasion and the impact to the whole structure are easy to occur in the long-term use process, the working efficiency can not be improved, and the service life is also shortened, so the improvement is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fan negative pressure sealing device to solve current technical problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fan negative pressure sealing device, including the fan shell, fan shell right side is equipped with the import that is loudspeaker column structure, fan shell left side connection bearing, the motor is connected through the belt to the bearing, the motor is fixed through the mount, be equipped with sealing device between bearing and the fan shell, it is fixed through the sealing member, fan shell bottom is equipped with the air exit, sealing device includes the seal box, the seal box top is equipped with the gland packing, the gland packing other end extends to fan shell top aperture in, the aperture is equipped with assorted O type sealing washer with it with the gland packing periphery.
The utility model discloses a further improvement lies in: the seal box comprises a shell, a heat insulation layer is arranged between the shell and the wear-resisting plates, anticorrosive paint is plated on the wear-resisting plates, the heat insulation layer comprises first heat insulation plates, heat insulation cotton is bonded on two sides of each first heat insulation plate, the wear-resisting plates are connected to one sides of the heat insulation cotton, the second heat insulation plates are connected to the other sides of the heat insulation cotton, and the second heat insulation plates are conventionally fixed on the inner wall.
The utility model discloses a further improvement lies in: the inlet comprises a base layer, a pressure-resistant layer is poured on the base layer, a protective layer is electroplated on the pressure-resistant layer, the base layer is made of low-carbon steel, the pressure-resistant layer is made of nickel-complex gold steel, and the protective layer is made of quartz paint.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses simple structure effectively seals gas through the seal box, prevents to reveal, inhales the sealed tube with it fast through self suction of fan, and the shortening time improves work efficiency and precision, effectively ensures the stability and the fastness of casing through the use of insulating layer, improves the heat-proof quality, increase of service life, and the import that multilayer structure constitutes has good resistance to compression, wear-resisting, anticorrosive protection against the tide, shock-resistant effect, and the live time is long.
Description of the drawings:
FIG. 1: the structure of the utility model is shown schematically;
FIG. 2: the structure schematic diagram of the sealing device of the utility model;
FIG. 3: the utility model discloses the cross-sectional view of seal box;
FIG. 4: the utility model discloses the cross-sectional view of import.
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.
The utility model provides a technical scheme:
the utility model provides a fan negative pressure sealing device, including fan shell 1, 1 right side of fan shell is equipped with the import 2 that is loudspeaker column structure, bearing 4 is connected in 1 left side of fan shell, bearing 4 passes through belt 5 and connects motor 6, motor 6 fixes through mount 7, be equipped with sealing device 8 between bearing 4 and the fan shell 1, it is fixed through the sealing member, 1 bottom of fan shell is equipped with the air exit 9, sealing device 8 includes seal box 81, the seal box 81 top is equipped with sealed tube 82, the sealed tube 82 other end extends to in 1 top aperture 85 of fan shell, aperture 85 and seal tube 82 periphery are equipped with assorted O type sealing washer 86 with it.
The sealing box 81 comprises a shell 87, a heat insulation layer 88 is arranged between the shell 87 and a wear-resisting plate 89, an anticorrosive coating is plated on the wear-resisting plate 89, the heat insulation layer 88 comprises a first heat insulation plate 881, heat insulation cotton 882 is bonded on two sides of the first heat insulation plate 881, one side of the heat insulation cotton 882 is connected with the wear-resisting plate 89, the other side is connected with a second heat insulation plate 883, and the second heat insulation plate 883 is conventionally fixed on the inner wall of the shell 87.
The inlet 2 comprises a base layer 21, a compression-resistant layer 22 is poured on the base layer 21, a protective layer 23 is plated on the compression-resistant layer 22, the base layer 21 is made of low-carbon steel, the compression-resistant layer 22 is made of nickel-complex gold steel, and the protective layer 23 is made of quartz paint.
The working principle is as follows: under the drive of motor, make the bearing rotate to drive the rotation of fan, fan rotation in-process self produces suction, inhales the fan shell with gas from the import, and gas between bearing and the fan shell seals under the effect of seal box, and in inhaling the sealed tube with it through the self suction of fan, transports to the import under the effect of fan suction once more.
In the above embodiment, the utility model discloses simple structure effectively seals gas through the seal box, prevents to reveal, and self suction through the fan is fast with it in sucking the sealed tube, shortens the time, improves work efficiency and precision, effectively ensures the stability and the fastness of casing through the use of insulating layer, improves the heat-proof quality, increase of service life, and the import that multilayer structure constitutes has good resistance to compression, wear-resisting, anticorrosive dampproofing, shock resistance, and the live time is long.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a fan negative pressure sealing device, includes fan shell (1), its characterized in that: fan shell (1) right side is equipped with import (2) that are loudspeaker column structure, fan shell (1) left side connection bearing (4), motor (6) is connected through belt (5) in bearing (4), motor (6) are fixed through mount (7), be equipped with sealing device (8) between bearing (4) and fan shell (1), it is fixed through the sealing member, fan shell (1) bottom is equipped with air exit (9), sealing device (8) are including seal box (81), seal box (81) top is equipped with sealed tube (82), sealed tube (82) other end extends to in fan shell (1) top aperture (85), aperture (85) and sealed tube (82) periphery are equipped with assorted O type sealing washer (86) with it.
2. The negative pressure sealing device for the fan as claimed in claim 1, wherein: seal box (81) include casing (87), be equipped with between casing (87) and antifriction plate (89) insulating layer (88), the anticorrosive coating of plating on antifriction plate (89), insulating layer (88) are including first heat insulating board (881), it has thermal-insulated cotton (882) to bond in first heat insulating board (881) both sides, antifriction plate (89) are connected to thermal-insulated cotton (882) one side, and second heat insulating board (883) are connected to the opposite side, second heat insulating board (883) are fixed on casing (87) inner wall.
3. The negative pressure sealing device for the fan as claimed in claim 1, wherein: import (2) are including basic unit (21), compressive layer (22) have been pour on basic unit (21), inoxidizing coating (23) have been electroplated on compressive layer (22), low carbon steel is adopted in basic unit (21), compressive layer (22) adopt nickel complex gold steel, inoxidizing coating (23) adopt quartz paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921749056.1U CN210949194U (en) | 2019-10-18 | 2019-10-18 | Negative pressure sealing device for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921749056.1U CN210949194U (en) | 2019-10-18 | 2019-10-18 | Negative pressure sealing device for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210949194U true CN210949194U (en) | 2020-07-07 |
Family
ID=71376035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921749056.1U Active CN210949194U (en) | 2019-10-18 | 2019-10-18 | Negative pressure sealing device for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210949194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578698A (en) * | 2019-10-18 | 2019-12-17 | 云汇环保科技南通有限公司 | Negative pressure sealing device for fan |
-
2019
- 2019-10-18 CN CN201921749056.1U patent/CN210949194U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578698A (en) * | 2019-10-18 | 2019-12-17 | 云汇环保科技南通有限公司 | Negative pressure sealing device for fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210949194U (en) | Negative pressure sealing device for fan | |
| CN203783896U (en) | Novel chlorine circulating compressor | |
| CN110578698A (en) | Negative pressure sealing device for fan | |
| CN206047816U (en) | Main shaft water-outlet type sanding and polishing machine bistrique assembly | |
| CN204357762U (en) | A kind of nitrogen spring seal arrangement for ventilator | |
| CN205401117U (en) | Novel high -efficient rotary compressor | |
| CN204298485U (en) | A kind of vortex wall oxidation unit | |
| CN209875556U (en) | Corrosion-resistant basalt fiber submersible pump shell | |
| CN208844713U (en) | A kind of Large-scale High-Pressure permanent magnetism landing stage pumping plant | |
| CN210623116U (en) | Vortex type hydrogen circulating pump based on disc type motor structure | |
| CN210371154U (en) | Friction explosion-proof marsh gas pressurization roots fan | |
| CN207893127U (en) | Rubber bag plastic composition sealing ring | |
| CN208153341U (en) | A kind of corrosion resistant explosion-proof type vacuum pump | |
| CN207212617U (en) | A kind of oilless vacuum pump muffler | |
| CN208417038U (en) | A kind of oil-free ceramic bearing of canned motor pump | |
| CN217406283U (en) | High-reliability end face static sealing structure of motor | |
| CN207195211U (en) | A kind of single-stage canned pump of high flow capacity | |
| CN202108640U (en) | Sealing device of water turbine | |
| CN206723047U (en) | A kind of novel magnetic seal fan | |
| CN201474914U (en) | High-pressure sealing structure without air pump | |
| CN208669624U (en) | A kind of regenerating unit of condensed water precision processing system | |
| CN214036022U (en) | Piston rod sealing device of double-acting diaphragm compressor | |
| CN209976816U (en) | Sealing assembly for water outlet body of submerged pump | |
| CN218376826U (en) | Pneumatic diaphragm pump with pressure regulating structure | |
| CN206135595U (en) | Generator rotor return water support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |