CN220118767U - Manual switching pneumatic angular travel actuating mechanism for bevel gears - Google Patents
Manual switching pneumatic angular travel actuating mechanism for bevel gears Download PDFInfo
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- CN220118767U CN220118767U CN202321395082.5U CN202321395082U CN220118767U CN 220118767 U CN220118767 U CN 220118767U CN 202321395082 U CN202321395082 U CN 202321395082U CN 220118767 U CN220118767 U CN 220118767U
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- actuating mechanism
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- angular travel
- traction screw
- nut
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- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Fluid-Driven Valves (AREA)
Abstract
The utility model relates to a manual pneumatic angular travel switching actuating mechanism for bevel gears, which comprises an angular travel actuating mechanism and a manual actuating mechanism positioned at one end of the angular travel actuating mechanism, wherein a traction screw is arranged in the manual actuating mechanism, the manual actuating mechanism comprises a conversion cam positioned in the circumferential direction of the traction screw, a spiral groove is formed in the end face of the conversion cam, the manual actuating mechanism comprises a switching handle capable of driving the conversion cam to rotate, the manual actuating mechanism comprises a hand wheel, the hand wheel is connected with a gear shaft, the gear shaft is sheathed with a small bevel gear, the small bevel gear is meshed with a large bevel gear, an opening and closing nut positioned in the circumferential direction of the traction screw is arranged in an inner groove of the large bevel gear, the opening and closing nut is fixedly connected with a cylindrical pin clamped in the spiral groove, and the opening and closing nut is in threaded connection with the traction screw. The utility model has the advantages of switching between the pneumatic operation mode and the manual operation mode, ensuring that the manual operation is easier and the pneumatic operation is safer.
Description
Technical Field
The utility model relates to the technical field of executing mechanisms, in particular to a manual pneumatic angular travel switching executing mechanism for bevel gears.
Background
The angular travel executing structure is a device for controlling the valve to be opened or closed by 0-90 degrees, and is mainly used for controlling the opening or closing of 90-degree angular travel valves such as ball valves, butterfly valves and plug valves, the current driving of the angular travel valves is generally manual and pneumatic, and the angular travel executing structure is in transmission connection with valve rods of corresponding valves through power output shafts, so that the rotation of the valves is realized, and further, the opening or closing of the valves is controlled.
The manual pneumatic angular travel actuating mechanism of switching of bevel gears is provided in this scheme, and totally enclosed structure has improved waterproof dustproof performance, remains lubricating grease and is unlikely to run off, has improved the life of driving medium, makes the operation lighter, has increased limit structure and has made the operation more reliable, and pneumatic and manual operation mode switch more thoroughly safer, makes the product performance further improve and improve.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide a bevel gear manual switching pneumatic angular travel executing mechanism which has the advantages of pneumatic and manual operation mode switching, easier manual operation and safer pneumatic operation
In order to achieve the above purpose, the present utility model provides the following technical solutions: the manual pneumatic angular travel actuating mechanism comprises an angular travel actuating mechanism and a manual actuating mechanism at one end of the angular travel actuating mechanism, wherein a traction screw is arranged in the manual actuating mechanism, the manual actuating mechanism comprises a circumferential conversion cam at the traction screw, a curved groove is formed in the end face of the conversion cam, the manual actuating mechanism comprises a switching handle capable of driving the conversion cam to rotate, the manual actuating mechanism comprises a hand wheel, the hand wheel is connected with a gear shaft, the gear shaft is sleeved with a bevel pinion, the bevel pinion is meshed with a bevel gear, an opening and closing nut at the circumferential direction of the traction screw is arranged in an inner groove of the bevel gear, the opening and closing nut is fixedly connected with a cylindrical pin clamped in the curved groove, and the opening and closing nut is in threaded connection with the traction screw.
Preferably, the inner side of the split nut and the outer side of the traction screw are provided with mutually matched threads.
Preferably, the switching handle is fixedly connected with the switching cam.
Preferably, the traction screw is connected with a connecting nut, and the connecting nut is connected with a piston of the angular travel executing mechanism.
Preferably, an air cylinder is arranged outside the traction screw.
Preferably, one end of the manual actuating mechanism is provided with a protective cap.
In summary, the utility model has the following beneficial effects:
the bevel gear is manually switched to the pneumatic angular travel executing mechanism, the small bevel gear and the large bevel gear are used for speed ratio, so that the operation is easier, the pneumatic and manual operation modes are switched, the switching cam is used for driving the switching nut, and the switching nut is separated from and combined with the traction screw, so that the operation is easier and safer.
Drawings
FIG. 1 is a schematic diagram of an embodiment;
FIG. 2 is a side view of an embodiment;
FIG. 3 is a cross-sectional view of an embodiment;
FIG. 4 is an exploded view of an embodiment;
FIG. 5 is an exploded view of a portion of the structure of FIG. 4;
FIG. 6 is a schematic view of the structure of the opening and closing nut according to the embodiment;
FIG. 7 is a schematic cross-sectional view of a split nut according to an embodiment;
FIG. 8 is a schematic view of a switching cam in an embodiment;
fig. 9 is a schematic cross-sectional structure of the conversion cam according to the embodiment.
Reference numerals: 1. an angular travel actuator; 2. a piston; 3. a cylinder; 4. a traction screw; 5. a manual actuator; 6. a switching cam; 7. a cylindrical pin; 8. opening and closing the nut; 9. a large bevel gear; 10. a protective cap; 11. bevel pinion; 12. a gear shaft; 13. a hand wheel; 14. a switch handle.
Description of the embodiments
The utility model is further described with reference to the accompanying drawings.
The manual pneumatic angular travel actuator for switching of bevel gears comprises an angular travel actuator 1 and a manual actuator 5 positioned at one end of the angular travel actuator 1, wherein the manual actuator 5 comprises a traction screw 4, the manual actuator 5 comprises a conversion cam 6 positioned in the circumferential direction of the traction screw 4, a spiral groove is formed in the end face of the conversion cam 6, the manual actuator 5 comprises a switching handle 14 capable of driving the conversion cam 6 to rotate, the manual actuator 5 comprises a hand wheel 13, the hand wheel 13 is connected with a gear shaft 12, the gear shaft 12 is sleeved with a bevel pinion 11, the bevel pinion 11 is meshed with a bevel gear 9, an opening and closing nut 8 positioned in the circumferential direction of the traction screw 4 is arranged in an inner groove of the bevel gear 9, the opening and closing nut 8 is fixedly connected with a cylindrical pin 7 clamped in the spiral groove, and the opening and closing nut 8 is in threaded connection with the traction screw 4.
The inner side of the split nut 8 and the outer side of the traction screw 4 are respectively provided with mutually matched threads.
The switching handle 14 is fixedly connected with the switching cam 6.
The traction screw 4 is connected with a connecting nut 2, and the connecting nut 2 is connected with a piston of the angular travel executing mechanism 1.
The outside of the traction screw 4 is provided with a cylinder 3.
One end of the manual actuator 5 is provided with a protective cap 10.
The working process comprises the following steps:
the proposal has two switching positions of pneumatic operation and manual operation, can freely select manual operation or pneumatic operation, when the manual operation is needed, the switching handle 14 is required to be rotated clockwise to a position which can reach the manual operation, the cylindrical pin 7 in the cam groove is inserted into the opening and closing nut 8, the switching handle 14 can drive the switching cam 6 to rotate so as to drive the cam groove to rotate, the rotation of the cam groove can drive the cylindrical pin 7 in the cam groove to rotate, the cylindrical pin 7 moves along with the rotation in the cam groove towards the direction which is close to each other, the opening and closing nut 8 is folded, the opening and closing nut 8 is meshed with the external thread of the closing and drawing screw 4, then the hand wheel 13 is rotated to start manual operation, the small bevel gear 11 is driven by the hand wheel 13 through the gear shaft 12, the opening and closing nut 8 is arranged in the inner groove of the large bevel gear 9, therefore the large bevel gear 9 can drive the opening and closing nut 8 to rotate, the large bevel gear 9 rotates together with the open-close nut 8, because the open-close nut 8 is meshed with the external thread of the traction screw 4, and the traction screw 4 cannot rotate along with the open-close nut 8, the traction screw 4 moves axially, the other end of the traction screw 4 is connected with a piston of an angular travel pneumatic actuator through a connecting nut of the piston and the traction screw 4, when the traction screw 4 moves axially, the piston of the angular travel pneumatic actuator moves along with the piston, the angular travel pneumatic actuator outputs torque, the valve is opened and closed, when the valve is required to be opened and closed pneumatically, the switching handle 14 is rotated anticlockwise until the pneumatic operation position is reached, the cylindrical pin 7 inserted into the cam groove on the open-close nut 8 moves outwards along with the cam groove to the maximum opening position, the open-close nut 8 is separated outwards, the external thread of the traction screw 4 is separated from the open-close nut 8, at the moment, the manual operation cannot drive the traction screw 4, the manual operation is finished, the pneumatic driving valve is replaced, and the whole process is finished.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the design concept of the present utility model should be included in the scope of the present utility model.
Claims (6)
1. The utility model provides a manual pneumatic angular travel actuating mechanism that switches of bevel gear, includes angular travel actuating mechanism (1) and is in manual actuating mechanism (5) of angular travel actuating mechanism (1) one end, its characterized in that: the inside of manual actuating mechanism (5) is including traction screw (4), manual actuating mechanism (5) is including being in conversion cam (6) of the circumference of traction screw (4), the terminal surface of conversion cam (6) is provided with arcuation groove, manual actuating mechanism (5) are including drivable conversion cam (6) pivoted switch handle (14), manual actuating mechanism (5) include hand wheel (13), hand wheel (13) are connected with gear shaft (12), gear shaft (12) has cup jointed bevel pinion (11), bevel pinion (11) meshing has big bevel gear (9), be provided with in the inside groove of big bevel gear (9) and be in the cylindric lock (7) of traction screw (4), open and shut nut (8) fixedly connected with card income arcuation inslot, open and shut nut (8) and traction screw (4) threaded connection.
2. The manual switching pneumatic angular travel actuator of claim 1, wherein: the inner side of the open-close nut (8) and the outer side of the traction screw rod (4) are respectively provided with mutually matched threads.
3. The manual switching pneumatic angular travel actuator of claim 1, wherein: the switching handle (14) is fixedly connected with the switching cam (6).
4. The manual switching pneumatic angular travel actuator of claim 1, wherein: the traction screw (4) is connected with a connecting nut, and the connecting nut is connected with a piston (2) of the angular travel executing mechanism (1).
5. The manual switching pneumatic angular travel actuator of claim 1, wherein: an air cylinder (3) is arranged outside the traction screw (4).
6. The manual switching pneumatic angular travel actuator of claim 1, wherein: one end of the manual actuating mechanism (5) is provided with a protective cap (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321395082.5U CN220118767U (en) | 2023-06-02 | 2023-06-02 | Manual switching pneumatic angular travel actuating mechanism for bevel gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321395082.5U CN220118767U (en) | 2023-06-02 | 2023-06-02 | Manual switching pneumatic angular travel actuating mechanism for bevel gears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220118767U true CN220118767U (en) | 2023-12-01 |
Family
ID=88892077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321395082.5U Active CN220118767U (en) | 2023-06-02 | 2023-06-02 | Manual switching pneumatic angular travel actuating mechanism for bevel gears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220118767U (en) |
-
2023
- 2023-06-02 CN CN202321395082.5U patent/CN220118767U/en active Active
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