CN219366917U - Novel pneumatic centrifugal stirring grease proofing breather valve - Google Patents
Novel pneumatic centrifugal stirring grease proofing breather valve Download PDFInfo
- Publication number
- CN219366917U CN219366917U CN202320293512.6U CN202320293512U CN219366917U CN 219366917 U CN219366917 U CN 219366917U CN 202320293512 U CN202320293512 U CN 202320293512U CN 219366917 U CN219366917 U CN 219366917U
- Authority
- CN
- China
- Prior art keywords
- shaft
- eccentric
- main body
- oil
- centrifugal stirring
- 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
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model discloses a novel pneumatic centrifugal stirring oil-proof ventilation valve, which comprises a main body and a sealing cavity, and further comprises: the eccentric chip removal shaft is formed by a driving shaft and an eccentric shaft, a ventilation groove is formed in the driving shaft, and spiral blades are arranged outside the eccentric shaft; the impeller, the inside impeller that is provided with of mounting groove, impeller top is provided with the membrane paper, the inside intercommunication groove that is linked together with the through-hole that has seted up of impeller, novel inside oil-repellent structure that has increased of pneumatic centrifugal stirring grease proofing ventilation valve, ventilation valve have guaranteed sealed cavity and external gas circulation, can effectually prevent that solid oil from adhering to on the membrane paper, have improved the life of the inside components and parts of sealing device.
Description
Technical Field
The utility model relates to the technical field of air-permeable valves, in particular to a novel pneumatic centrifugal stirring oil-proof air-permeable valve.
Background
The ventilation valve is formed by combining a waterproof ventilation film with other materials such as plastic, metal, silica gel and the like in the modes of injection molding, ultrasonic welding and the like, and can be sealed.
The existing breather valve can not effectively achieve the oil-repellent effect on solid oil, the breather valve can only prevent erosion of liquid water and liquid oil through an e-PTFE membrane material, when the solid oil in a mechanical equipment sealing box is adhered to the surface of membrane paper, the surface of the membrane material can lose the breather performance after long-time accumulation due to the fact that the viscosity of the solid oil is too strong, and the breather valve blocks a breather through hole, so that the breather valve cannot balance the pressure difference inside and outside a high-sealing product, and the safe working environment and the service life of components inside the product are influenced.
Disclosure of Invention
The utility model aims to provide a novel pneumatic centrifugal stirring oil-proof ventilation valve so as to solve the problems of the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
novel grease proofing breather valve of pneumatic centrifugal stirring, including main part and sealed cavity, still include:
the eccentric chip removal shaft is formed by a driving shaft and an eccentric shaft, a ventilation groove is formed in the driving shaft, and spiral blades are arranged outside the eccentric shaft;
the fan blade wheel is arranged in the installation groove, the top of the eccentric chip removal shaft penetrates into the fan blade wheel and is fixedly connected with the eccentric chip removal shaft, a plurality of air holes are formed in the outer portion of the main body, film paper is arranged at the top of the fan blade wheel, and a communication groove communicated with the through hole is formed in the fan blade wheel.
Based on the technical scheme, the utility model also provides the following optional technical schemes:
in one alternative: the installation groove is internally provided with an upper oil seal and a lower oil seal, the upper oil seal sleeve is arranged outside the fan impeller and is contacted with the gland, and the lower oil seal sleeve is arranged outside the eccentric chip removal shaft.
In one alternative: the outside cover of drive shaft is equipped with the bearing, eccentric chip removal axle passes through the bearing rotation and sets up in the mounting groove inside.
In one alternative: the main body is connected with the sealing cavity through threads, and a threaded connection part is arranged at the bottom of the main body.
In one alternative: the sealing ring is arranged on the outer side of the bottom of the main body and is positioned between the main body and the sealing cavity.
Compared with the prior art, the utility model has the following beneficial effects:
novel inside oil-repellent structure that has increased of pneumatic centrifugal stirring grease proofing breather valve, breather valve have guaranteed sealed cavity and external gas circulation, reach balanced differential pressure's effect, when letting in the air, the impeller can drive eccentric chip removal axle rotation, reaches the oil-repellent effect, can effectually prevent that solid oil from adhering to on the membrane paper, and the outside gas can circulate, reaches the effect of the balanced inside and outside differential pressure of pressure release, has improved the safe operational environment and the life of the inside components and parts of sealing device.
Drawings
Fig. 1 is a schematic structural diagram of a novel pneumatic centrifugal stirring oil-proof ventilation valve.
FIG. 2 is a cross-sectional view of the novel pneumatic centrifugal stirring oil-proof ventilation valve.
FIG. 3 is an exploded view of the novel pneumatic centrifugal stirring oil-proof ventilation valve.
Reference numerals annotate: 1-gland, 101-through hole, 2-membrane paper, 3-upper oil seal, 4-impeller, 401-communicating groove, 5-lower oil seal, 6-bearing, 7-eccentric chip removal shaft, 701-by driving shaft, 702-eccentric shaft, 703-vent groove, 704-helical blade, 8-main body, 801-mounting groove, 802-threaded connection part, 803-air hole, 9-sealing ring and 10-sealing cavity.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings and examples; in the drawings or description, similar or identical parts are provided with the same reference numerals, and in practical applications, the shape, thickness or height of each part may be enlarged or reduced. The examples set forth herein are intended to be illustrative of the utility model and are not intended to limit the scope of the utility model. Any obvious modifications or alterations to the utility model, as would be apparent, are made without departing from the spirit and scope of the present utility model.
In one embodiment, as shown in fig. 1-3, a novel pneumatic centrifugal stirring oil-proof ventilation valve comprises a main body 8 and a sealing cavity 10, and further comprises:
the eccentric chip removal shaft 7, the main body 8 is arranged in the sealing cavity 10, a gland 1 is arranged on one side, away from the sealing cavity 10, of the main body 8, the gland 1 is sleeved on the main body 8, a plurality of through holes 101 are formed in the gland 1, a mounting groove 801 is formed in the main body 8, the eccentric chip removal shaft 7 is rotatably arranged in the mounting groove 801, the eccentric chip removal shaft 7 consists of a driving shaft 701 and an eccentric shaft 702, a vent groove 703 is formed in the driving shaft 701, and a helical blade 704 is arranged outside the eccentric shaft 702;
the impeller 4, the mounting groove 801 is inside to be provided with impeller 4, inside and rather than fixed connection of impeller 4 are penetrated at eccentric chip removal axle 7 top, a plurality of gas pockets 803 have been seted up to main part 8 outside, impeller 4 top is provided with membranous paper 2, the inside intercommunication groove 401 that is linked together with through-hole 101 that has seted up of impeller 4, and eccentric chip removal axle 7 has constituted oil repellent structure with impeller 4, can detach the solid oil that adheres to on membranous paper 2.
The novel pneumatic centrifugal stirring oil-proof ventilation valve consists of a main body 8 and an internal oil-repellent structure, the oil-proof ventilation valve is arranged on a sealing cavity 10, a through hole 101 on a gland 1 is communicated with a communication groove 401 and a ventilation groove 703, so that the balance of internal and external pressure in the sealing cavity 10 is realized, an air hole 803 on the main body 8 is connected with air inlet equipment, air is introduced into the main body 8 and pushes an air impeller 4 to rotate, the air impeller 4 drives an eccentric chip removal shaft 7 to rotate, the eccentric chip removal shaft 7 repels oil in a rotating mode, the circulation of air inside and outside the equipment is ensured, and as an embodiment, the left, right, upper and lower positions of each part shown in the drawing are only one arrangement mode, and specific positions are set according to specific needs.
In one embodiment, as shown in fig. 2, an upper oil seal 3 and a lower oil seal 5 are disposed inside the mounting groove 801, the upper oil seal 3 is sleeved outside the fan impeller 4 and is in contact with the gland 1, the lower oil seal 5 is sleeved outside the eccentric chip removal shaft 7, and the tightness of the oil-proof ventilation valve can be ensured by the upper oil seal 3 and the lower oil seal 5.
In one embodiment, as shown in fig. 2, the driving shaft 701 is externally sleeved with a bearing 6, and the eccentric chip removing shaft 7 is rotatably disposed inside the mounting groove 801 through the bearing 6.
In one embodiment, as shown in fig. 2, the main body 8 is connected with the sealing cavity 10 through threads, a threaded connection portion 802 is arranged at the bottom of the main body 8, and the oil-proof ventilation valve is screwed into the sealing cavity 10 through the threaded connection portion 802 to be fixedly installed.
In one embodiment, as shown in fig. 3, a sealing ring 9 is disposed at the outer side of the bottom of the main body 8, and the sealing ring 9 is located between the main body 8 and the sealing cavity 10, so that tightness between the sealing cavity 10 and the main body 8 is ensured, and leakage inside the sealing cavity 10 is prevented.
The embodiment of the utility model provides a novel pneumatic centrifugal stirring oil-proof ventilation valve, wherein an oil-repellent structure is added in the ventilation valve, the oil-repellent structure is not opened when the ventilation valve is used normally, and the ventilation valve ensures the gas circulation between the sealed cavity 10 and the outside to achieve the effect of balancing pressure difference; when air is introduced, the impeller 4 drives the eccentric chip removal shaft 7 to rotate, so that an oil-repellent effect is achieved, solid oil can be effectively prevented from adhering to membrane paper, external air can circulate, and the effect of pressure release and balance of internal and external pressure differences is achieved; the main body of the oil-repellent air-permeable valve is made of metal materials, and the surfaces of key component materials need to be specially treated.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (5)
1. The utility model provides a novel grease proofing breather valve of pneumatic centrifugal stirring, includes main part and sealed cavity, its characterized in that still includes:
the eccentric chip removal shaft is formed by a driving shaft and an eccentric shaft, a ventilation groove is formed in the driving shaft, and spiral blades are arranged outside the eccentric shaft;
the fan blade wheel is arranged in the installation groove, the top of the eccentric chip removal shaft penetrates into the fan blade wheel and is fixedly connected with the eccentric chip removal shaft, a plurality of air holes are formed in the outer portion of the main body, film paper is arranged at the top of the fan blade wheel, and a communication groove communicated with the through hole is formed in the fan blade wheel.
2. The novel pneumatic centrifugal stirring oil-proof ventilation valve according to claim 1, wherein an upper oil seal and a lower oil seal are arranged in the mounting groove, the upper oil seal is arranged outside the impeller and is in contact with the gland, and the lower oil seal is arranged outside the eccentric chip removal shaft.
3. The novel pneumatic centrifugal stirring oil-proof ventilation valve according to claim 1, wherein a bearing is sleeved outside the driving shaft, and the eccentric chip removal shaft is rotatably arranged inside the mounting groove through the bearing.
4. The novel pneumatic centrifugal stirring oil-proof ventilation valve according to claim 1, wherein the main body is connected with the sealing cavity through threads, and a threaded connection part is arranged at the bottom of the main body.
5. The novel pneumatic centrifugal stirring oil-proof ventilation valve according to claim 4, wherein a sealing ring is arranged on the outer side of the bottom of the main body, and the sealing ring is located between the main body and the sealing cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320293512.6U CN219366917U (en) | 2023-02-23 | 2023-02-23 | Novel pneumatic centrifugal stirring grease proofing breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320293512.6U CN219366917U (en) | 2023-02-23 | 2023-02-23 | Novel pneumatic centrifugal stirring grease proofing breather valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219366917U true CN219366917U (en) | 2023-07-18 |
Family
ID=87152895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320293512.6U Active CN219366917U (en) | 2023-02-23 | 2023-02-23 | Novel pneumatic centrifugal stirring grease proofing breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219366917U (en) |
-
2023
- 2023-02-23 CN CN202320293512.6U patent/CN219366917U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108494144B (en) | Grease lubricated shaft sealing structure of motor transmission shaft | |
| CN219366917U (en) | Novel pneumatic centrifugal stirring grease proofing breather valve | |
| CN101372985B (en) | High performance centrifugal pump | |
| CN106195278B (en) | A kind of high speed air-cooler magnetic fluid seal device | |
| CN207661148U (en) | A kind of spiral dryer mechanical seal | |
| CN217502071U (en) | Ventilation blower shaft seal drain and ventilation blower | |
| CN201250792Y (en) | High performance centrifugal pump | |
| CN206234364U (en) | A kind of high speed air-cooler magnetic fluid seal device | |
| CN108716468A (en) | A kind of efficient sealed feed pump | |
| CN2469236Y (en) | Sealing means for oil lubricating bearing | |
| CN209930084U (en) | Ventilation structure of drive motor and transmission | |
| CN110552889B (en) | Leakage-free centrifugal pump | |
| CN210686302U (en) | Water lubrication screw type air compressor | |
| CN206539702U (en) | A kind of sealed protective structure | |
| CN220227959U (en) | Novel mechanical equipment can prevent breather valve of solid oil | |
| CN211259649U (en) | V-shaped rotary sealing device | |
| CN2324339Y (en) | Centrifugal oil-sealed gas sealing device for rotation axis | |
| CN210240096U (en) | Centrifugal pump cavity seal structure | |
| CN212225527U (en) | Axial split centrifugal pump | |
| CN215300343U (en) | Permanent magnet motor capable of changing oil underwater | |
| CN213270297U (en) | Centrifugal pump device | |
| CN211692934U (en) | Bearing seal structure of water pump transmission part | |
| CN221170018U (en) | Leakage-free dry oil lubricating slurry pump | |
| CN108661916A (en) | A kind of refined feed pump | |
| CN202971334U (en) | Dynamic seal centrifugal pump structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |