CN212106875U - Take rotation driving device of waterproof ventilation valve - Google Patents
Take rotation driving device of waterproof ventilation valve Download PDFInfo
- Publication number
- CN212106875U CN212106875U CN202020541307.3U CN202020541307U CN212106875U CN 212106875 U CN212106875 U CN 212106875U CN 202020541307 U CN202020541307 U CN 202020541307U CN 212106875 U CN212106875 U CN 212106875U
- Authority
- CN
- China
- Prior art keywords
- ring
- ventilation valve
- drive device
- waterproof ventilation
- worm
- 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
- Mechanically-Actuated Valves (AREA)
- General Details Of Gearings (AREA)
- Electrically Driven Valve-Operating Means (AREA)
Abstract
The utility model discloses a take rotary driving device of waterproof ventilation valve, including base, slewing bearing, worm, the base includes axle housing and seat circle, and the worm is installed in the axle housing, and slewing bearing's outer lane is installed and is being circled at present, and slewing bearing's inner circle's surface be equipped with the tooth and with the tooth meshing on the worm to be equipped with the clamping ring, the clamping ring is installed in the outside of slewing bearing outer lane, is provided with the oil blanket between the both ends of inner circle and seat circle, the clamping ring respectively, still is provided with the screw thread through-hole, install waterproof ventilation valve on the screw thread through-hole. The utility model discloses in, be provided with waterproof breather valve on rotary drive device, realized rotary drive device inside and outside pressure balance, the abnormal loss of fluid such as the rotary drive device sealing grease, lubricating grease that has significantly reduced prolongs rotary drive device's life. The utility model has the characteristics of simple structure, excellent in use effect and the like.
Description
Technical Field
The utility model relates to a rotary driving device, especially a rotary driving device of waterproof ventilation valve in area.
Background
The slewing drive device is a widely used device, and takes a slewing bearing as a transmission component, wherein the slewing bearing consists of an inner ring, an outer ring and balls arranged between the inner ring and the outer ring, one ring (the inner ring or the outer ring) of the slewing bearing is arranged in a fixed seat ring, and the other ring is connected with a worm, is driven by the worm and is arranged to output the driving force of the worm. Compared with the traditional speed reducer, the rotary driving device has the characteristics of large speed reduction ratio, high bearing capacity, simplicity and convenience in installation, easiness in maintenance, installation space saving and the like.
In order to improve the performance and the service life of the slewing drive device, a plurality of sealing members are often arranged, a large amount of sealing grease and lubricating grease are often used, and a slewing bearing part of the slewing drive device is sealed in a base. In the use process of the rotary driving device, especially in the outdoor use process, due to the influence of factors such as weather temperature difference change and the like, air pressure difference between the inside and the outside of the rotary driving device can be formed, sealing grease and lubricating grease in the rotary driving device can flow out, and therefore the mechanical performance and the service life of the rotary driving device are greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a take rotary drive device of waterproof ventilation valve.
The utility model provides a rotary driving device with a waterproof vent valve, which comprises a base, a rotary support and a worm, the base comprises a shaft shell and a seat ring, the worm is arranged in the shaft shell, the slewing bearing consists of an inner ring, an outer ring and balls arranged between the inner ring and the outer ring, the outer ring is arranged on the seat ring, the outer surface of the inner ring is provided with teeth which are meshed with the teeth on the worm, the outer ring is also provided with a pressing ring, the compression ring is arranged on the outer side of the slewing bearing outer ring, a first connecting part and a second connecting part are respectively arranged at two ends of the inner ring, a first oil seal is arranged between the first connecting part and the seat ring, a second oil seal is arranged between the second connecting part and the compression ring, the seat ring and the pressure ring are respectively provided with a step matched with the first oil seal and the second oil seal, the waterproof ventilation valve is characterized by further comprising a threaded through hole, and a waterproof ventilation valve is mounted on the threaded through hole.
According to the specific structure of the rotary driving device, the threaded through hole and the waterproof ventilation valve can be arranged on the inner ring of the rotary support and can also be arranged on the seat ring.
More optimally, the number of the thread through holes is 1 or 2, and the number of the waterproof ventilation valves is 1 or 2.
Preferably, the driving motor connecting end surface of the shaft shell is further provided with a water drainage groove.
The utility model discloses in, set up one to two waterproof breather valves on rotary drive device, waterproof breather valve's basic structure is shell and the waterproof ventilated membrane of installation in the shell, and wherein waterproof ventilated membrane can adopt expanded polytetrafluoroethylene material (E-PTFE), has good waterproof air permeability. After the waterproof breather valve of one or two of slewing drive device installation, even appear the adverse weather such as hot, low temperature or the circumstances such as ambient temperature changes suddenly, the utility model discloses still can guarantee slewing drive device inside and outside pressure balance, the abnormal loss of fluid such as the slewing drive device sealing grease, lubricating grease that has significantly reduced prolongs slewing drive device's life. The purpose of setting up two waterproof breather valves is mainly in order to increase the reliability, prevents that a waterproof breather valve is unexpected to be blockked up. Meanwhile, as the water drainage groove is formed in the connecting end face of the worm of the shaft shell of the base and the client driving motor, rainwater, condensate water and the like can be effectively prevented from entering the interior of the rotary driving device through the mounting interface, and early damage to internal parts of the rotary driving device is prevented.
The utility model has the characteristics of simple structure, excellent in use effect and the like.
Description of the drawings:
fig. 1 is a front (half-sectional) view of a rotary drive with a waterproof breather valve.
Fig. 2 is a side (partially cut-away) view of a rotary drive with a waterproof breather valve.
Wherein: 1-base, 2-worm, 3-shaft shell, 7-seat ring, 4-end cover, 6-inner ring, 9-outer ring, 10-waterproof ventilation valve, 11-first oil seal, 12-first connecting part, 8-second oil seal, 16-second connecting part, 5-driving motor connecting end face, 15-compression ring and 17-drainage groove.
Detailed Description
The following describes how to implement the present invention with reference to fig. 1 and 2.
As shown in fig. 1 and 2, the slewing drive device with the waterproof vent valve provided in this embodiment includes a base 1, a slewing bearing, and a worm 2, where the base 1 includes a shaft housing 3 and a seat ring 7, the worm 2 is installed in the shaft housing 3, the slewing bearing is composed of an inner ring 6, an outer ring 9, and balls arranged between the inner ring 6 and the outer ring 9, the outer ring 6 is installed on the seat ring 7, the outer surface of the inner ring 6 is provided with teeth and engaged with the teeth on the worm 2, a press ring 15 is further provided, the press ring 15 is installed on the outer side of the outer ring 9 of the slewing bearing, two ends of the inner ring 6 are respectively a first connection portion 12 and a second connection portion 16, a first oil seal 11 is provided between the first connection portion 12 and the seat ring 7, a second oil seal 8 is provided between the second connection portion 16 and the press ring 15, a step matched with the first oil seal 11, the compression ring 15 is provided with a step matched with the second oil seal 8, the inner ring 6 is provided with a threaded through hole, the threaded through hole is provided with a waterproof ventilation valve 10, and the driving motor connecting end face 5 of the shaft shell 3 is further provided with a water drainage groove 17.
As a variation of the above embodiment, the waterproof breather valve 10 may be mounted on the seat ring 7, depending on the specific configuration of the swing drive device.
As an optimization of the above embodiment, the number of the waterproof air-permeable valves 10 is 2.
In the above embodiment, the waterproof and breathable film of the waterproof and breathable valve 10 can be made of high-performance expanded polytetrafluoroethylene (E-PTFE) to improve the waterproof and breathable performance.
The embodiment can ensure the pressure balance between the inside and the outside of the rotary driving device, greatly reduce the abnormal loss of oil such as sealing grease, lubricating grease and the like of the rotary driving device and prolong the service life of the rotary driving device. Meanwhile, as the water drainage groove is formed in the connecting end face of the worm of the shaft shell of the base and the client driving motor, rainwater, condensate water and the like can be effectively prevented from entering the interior of the rotary driving device through the mounting interface, and early damage to internal parts of the rotary driving device is prevented. Has the characteristics of simple structure and good use effect.
Claims (5)
1. A rotary driving device with a waterproof ventilation valve comprises a base (1), a rotary support and a worm (2), wherein the base (1) comprises a shaft shell (3) and a seat ring (7), the worm (2) is installed in the shaft shell (3), the rotary support is composed of an inner ring (6), an outer ring (9) and balls arranged between the inner ring (6) and the outer ring (9), the outer ring (9) is installed on the seat ring (7), the outer surface of the inner ring (6) is provided with teeth and meshed with the teeth on the worm (2), a pressing ring (15) is further arranged, the pressing ring (15) is installed on the outer side of the outer ring (9) of the rotary support, two ends of the inner ring (6) are respectively provided with a first connecting portion (12) and a second connecting portion (16), a first oil seal (11) is arranged between the first connecting portion (12) and the seat ring (7), and a second oil seal (8) is arranged between the second connecting portion (16) and the pressing ring (15), the seat ring (7) and the compression ring (15) are respectively provided with steps matched with the first oil seal (11) and the second oil seal (8), and the seat ring is characterized by also being provided with a threaded through hole, and the threaded through hole is provided with a waterproof ventilation valve (10).
2. A rotary drive device with a waterproof ventilation valve according to claim 1, characterized in that the threaded through hole is provided on the inner ring (6) of the rotary support.
3. A rotary drive device with a waterproof ventilation valve according to claim 1, characterized in that the threaded through hole is provided on the seat ring (7).
4. A rotary drive device with a waterproof ventilation valve according to claim 2 or 3, wherein the number of the threaded through holes is 1 or 2, and the number of the waterproof ventilation valve (10) is 1 or 2.
5. A rotary driving device with a waterproof ventilation valve as claimed in claim 4, characterized in that the driving motor connecting end face (5) of the shaft housing (3) is further provided with a drainage groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020541307.3U CN212106875U (en) | 2020-04-14 | 2020-04-14 | Take rotation driving device of waterproof ventilation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020541307.3U CN212106875U (en) | 2020-04-14 | 2020-04-14 | Take rotation driving device of waterproof ventilation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212106875U true CN212106875U (en) | 2020-12-08 |
Family
ID=73630285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020541307.3U Active CN212106875U (en) | 2020-04-14 | 2020-04-14 | Take rotation driving device of waterproof ventilation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212106875U (en) |
-
2020
- 2020-04-14 CN CN202020541307.3U patent/CN212106875U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212106875U (en) | Take rotation driving device of waterproof ventilation valve | |
| CN206174962U (en) | Be applied to disc cutter's novel pressure balance adjusting device | |
| CN210183155U (en) | Oil-retaining bearing end cover for fan motor, end cover structure, fan and air conditioner | |
| CN212318570U (en) | Ball cage type constant velocity universal transmission shaft assembly with ball spline pair in amphibious | |
| CN2818850Y (en) | Lubricating oil pump of gearbox | |
| CN2929289Y (en) | Cycloidal hydraulic motor for wheel | |
| CN204942333U (en) | Pitch fast integrated type wet type Parking Brake | |
| CN212106874U (en) | Rotary driving device with drainage channel | |
| CN220416240U (en) | Spiral sealing device capable of rotating bidirectionally | |
| CN221170674U (en) | Wind power semi-direct-drive gear box and output shaft sealing structure thereof | |
| CN201126015Y (en) | Fluid kinetic pressure type seal machine for kettle | |
| CN216111041U (en) | Automobile engine end cover with good oxidation resistance effect | |
| CN216691906U (en) | Fixed end bearing pre-tightening and sealing structure | |
| CN213145300U (en) | Oil leakage prevention radial sealing dry well device | |
| CN210265973U (en) | Two-way sealing V-shaped ball valve | |
| CN2663697Y (en) | Pressure reduction type bearing lubricating and sealing structure | |
| CN216589859U (en) | RV reducer, electromagnetic type active suspension and vehicle | |
| CN2418284Y (en) | Centrifugal water pump without suspension | |
| CN217207724U (en) | High oil seal performance sealing gasket | |
| CN221503819U (en) | Hydraulic release bearing structure | |
| CN212272856U (en) | Breathable, waterproof and sealing combined structure of universal joint | |
| CN220102010U (en) | Oil seepage prevention structure of speed reducer | |
| CN2284322Y (en) | New structure of mechanical sealing | |
| CN211623586U (en) | Breather valve and fuel filter | |
| CN2644815Y (en) | Pressure adjustable venting valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |