CN219673462U - Hand wheel switching device of pneumatic valve actuator - Google Patents
Hand wheel switching device of pneumatic valve actuator Download PDFInfo
- Publication number
- CN219673462U CN219673462U CN202321230433.7U CN202321230433U CN219673462U CN 219673462 U CN219673462 U CN 219673462U CN 202321230433 U CN202321230433 U CN 202321230433U CN 219673462 U CN219673462 U CN 219673462U
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- China
- Prior art keywords
- sleeve
- sealing
- hand wheel
- connecting rod
- pneumatic valve
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- 238000007789 sealing Methods 0.000 claims abstract description 78
- 230000001681 protective effect Effects 0.000 claims abstract description 26
- 230000000670 limiting effect Effects 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims 4
- 241001330002 Bambuseae Species 0.000 claims 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 4
- 239000011425 bamboo Substances 0.000 claims 4
- 239000000314 lubricant Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000007142 ring opening reaction Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Actuator (AREA)
Abstract
The utility model relates to the technical field of actuators, in particular to a hand wheel switching device of a pneumatic valve actuator, which comprises the actuator, wherein a protective sleeve is arranged on the right side of the actuator, a connecting rod penetrates through the interior of the protective sleeve, a sealing component is arranged at the right end of the connecting rod, the sealing component comprises a protective cylinder arranged at the right end of the top of the connecting rod, the right end of the top of the protective cylinder is sleeved with a hand wheel, a sleeve is arranged in the protective cylinder close to the right end, a second sealing ring is arranged at the bottom opening of the left side of the sleeve, and a limiting sealing ring is arranged at the right end opening of the sleeve.
Description
Technical Field
The utility model relates to the technical field of actuators, in particular to a hand wheel switching device of a pneumatic valve actuator.
Background
In the conventional pneumatic actuator, friction is inevitably generated between the worm and the eccentric hole of the eccentric half shaft in the engagement and rotation process of the worm and the worm wheel, and the friction force gradually drives the eccentric half shaft to rotate forwards.
The utility model provides a switching hand wheel mechanism of pneumatic actuator has been proposed in the patent of publication number CN212718308U, including the box in this patent, the worm wheel, the worm, hand wheel and locking constant head tank, the locking constant head tank has the location retaining surface of facing the reverse rotation direction of switch handle, through set up the locking constant head tank on the eccentric semi-axis, and with the help of the jack post that sets up on the box, make when worm and turbine mesh mutually, the jack post can contradict with the location retaining surface of locking constant head tank, in order to realize the circumferential rotation restriction to the eccentric semi-axis, thereby avoided the eccentric semi-axis to be driven by the worm and rotate and lead to the condition emergence that the worm is blocked by eccentric semi-axis, effectively reduced the wearing and tearing volume between worm and the eccentric semi-axis, and then prolonged the life of both, but still there is the following problem in this patent:
once the hand wheel and the actuator are installed, the number of times of later replacement can be reduced, the hand wheel does not rotate for a long time, rust can be caused between the hand wheel and the connecting rod, the rotation effect of the hand wheel is affected, or the hand wheel is rotated frequently, excessive abrasion can be caused, and the service life of the hand wheel is reduced.
In view of the above, it is desirable to design a pneumatic valve actuator hand wheel switching device that overcomes the above-described problems.
Disclosure of Invention
The utility model mainly aims to provide a hand wheel switching device of a pneumatic valve actuator, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the hand wheel switching device of the pneumatic valve actuator comprises an actuator, wherein a protective sleeve is arranged on the right side of the actuator, a connecting rod penetrates through the interior of the protective sleeve, and a sealing assembly is arranged at the right end of the connecting rod;
the sealing assembly comprises a protection cylinder arranged at the right end of the top of the connecting rod, a hand wheel is sleeved at the right end of the top of the protection cylinder, a sleeve is arranged inside the protection cylinder near the right end, a second sealing ring is arranged at the bottom ring opening at the left side of the sleeve, a limiting sealing ring is arranged at the bottom of the right end of the sleeve, a sealing inner ring is arranged at the bottom of the left end inside the sleeve, the left end of an inner sleeve is clamped and embedded in a groove of the sealing inner ring, the inner wall of the inner sleeve is provided with a uniformly arranged threaded inner wall, the inner sleeve is provided with a first threaded sealing inner ring and a second threaded sealing inner ring, the first threaded sealing inner ring and the second threaded sealing inner ring are spaced apart, and round holes are formed in the protection cylinder, the sleeve and the inner sleeve on the same side.
As a preferable scheme of the utility model, the outer surface of the protective cylinder is sleeved with the sealing sleeve near the left end, the left side and the right side of the sealing sleeve are sleeved with the first sealing rings, the outer surface of one side of the sealing sleeve is provided with the liquid inlet pipe, the limiting plug is arranged in the liquid inlet pipe, the outer surface of the lower end of the limiting plug is connected with the rubber block, and the outer surface of the lower end of the rubber block is connected with the airtight pad.
As a preferable scheme of the utility model, the actuator is detachably connected with the connecting rod, the connecting rod is in threaded connection with the inner sleeve in the protective cylinder, the inner sleeve (the inner wall is in threaded connection with the first threaded sealing inner ring, the inner wall of the inner sleeve is in threaded connection with the second threaded sealing inner ring, the inner sleeve is detachably connected with the sealing inner ring, and the sealing inner ring is detachably connected with the sleeve.
As a preferable scheme of the utility model, the sleeve is fixedly connected with the limiting sealing ring, the sleeve is fixedly bonded with the second sealing ring, the sleeve is sleeved with the protective cylinder, and the inner sleeve is sleeved with the second sleeve.
As a preferable scheme of the utility model, the hand wheel is sleeved with the protective cylinder, the protective cylinder is sleeved with the sealing sleeve, the first sealing ring is in non-detachable connection with the sealing sleeve, and the liquid inlet pipe is fixedly connected with the sealing sleeve.
As a preferable scheme of the utility model, the liquid inlet pipe is detachably connected with the limiting plug, the limiting plug is fixedly connected with the rubber block, and the rubber block is fixedly connected with the airtight pad.
Advantageous effects
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the pneumatic valve actuator hand wheel switching device, through the arrangement of the liquid inlet pipe and the limiting plug, the limiting plug can be opened, the lubricant is injected, the lubricant enters the inner sleeve through the round hole and is slowly injected into one end of the connecting rod connected along the inner wall of the thread, so that the connecting rod is lubricated, the injection is carried out regularly, the replacement times can be reduced, and the service life of the hand wheel is prolonged.
2. According to the pneumatic valve actuator hand wheel switching device, the first thread sealing inner ring and the second thread sealing inner ring are arranged to limit the forward extending width of the lubricant, so that the lubricant is extended in the thread groove of the inner wall of the thread leaked between the first thread sealing inner ring and the second thread sealing inner ring, and the waste of the lubricant is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the seal assembly of the present utility model;
FIG. 3 is a schematic view of the protective cylinder structure of the present utility model;
FIG. 4 is a schematic view of the internal structure of the protective cylinder of the present utility model;
FIG. 5 is a schematic view of the connecting rod structure of the present utility model;
fig. 6 is a schematic view of the stopper of the present utility model.
In the figure: 1. an actuator; 2. a protective sleeve; 3. a hand wheel; 4. a seal assembly; 5. a protective cylinder; 6. a connecting rod; 7. sealing sleeve; 8. a first seal ring; 9. a liquid inlet pipe; 10. a limit plug; 11. an airtight pad; 12. a rubber block; 13. a round hole; 14. a first threaded seal inner ring; 15. a second seal ring; 16. a sleeve; 17. limiting sealing rings; 18. sealing the inner ring; 19. an inner sleeve; 20. a threaded inner wall; 21. the second thread seals the inner race.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
In order that the utility model may be readily understood, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which, however, the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided for the purpose of providing a more thorough and complete disclosure of the utility model.
Referring to fig. 1-6, the present utility model provides a technical solution:
a hand wheel switching device of a pneumatic valve actuator comprises an actuator 1, wherein a protective sleeve 2 is arranged on the right side of the actuator 1, a connecting rod 6 penetrates through the interior of the protective sleeve 2, and a sealing component 4 is arranged at the right end of the connecting rod 6;
the sealing component 4 comprises a protection cylinder 5 arranged at the right end of the top of the connecting rod 6, a hand wheel 3 is sleeved at the right end of the top of the protection cylinder 5, a sleeve 16 is arranged inside the protection cylinder 5 near the right end, a second sealing ring 15 is arranged at the bottom ring opening at the left side of the sleeve 16, a limit sealing ring 17 is arranged at the right end ring opening of the sleeve 16, a sealing inner ring 18 is arranged at the bottom of the left end inside the sleeve 16, the left end of an inner sleeve 19 is clamped and embedded in a groove of the sealing inner ring 18, the inner wall of the inner sleeve 19 is provided with a uniformly arranged threaded inner wall 20, the inner wall of the inner sleeve 19 is provided with a first threaded sealing inner ring 14 and a second threaded sealing inner ring 21, the first threaded sealing inner ring 14 is spaced from the second threaded sealing inner ring 21, and a round hole 13 is formed in the same sides of the protection cylinder 5, the sleeve 16 and the inner sleeve 19.
In this embodiment, referring to fig. 1-4, the connecting rod 6 is screwed with the inner sleeve 19 inside the protection cylinder 5, the inner wall of the inner sleeve 19 is screwed with the first threaded inner sealing ring 14, the inner wall of the inner sleeve 19 is screwed with the second threaded inner sealing ring 21, the inner sleeve 19 is detachably connected with the inner sealing ring 18, the inner sealing ring 18 is detachably connected with the sleeve 16, the sleeve 16 is fixedly connected with the limiting sealing ring 17, the sleeve 16 is fixedly bonded with the second sealing ring 15, the sleeve 16 is sleeved with the protection cylinder 5, and the inner sleeve 19 is sleeved with the first sleeve 16.
The injected lubricant enters into the grooves of the inner wall of the inner sleeve 19 and the thread inner wall 20 through the liquid inlet pipe 9 and the circular holes 13 on the surface of the protective cylinder 5, the surface of the sleeve 16 and the surface of the inner sleeve 19, and the two sides of the circular hole 13 formed in the inner sleeve 19 are provided with the second thread sealing inner ring 21 and the first thread sealing inner ring 14, so that the current limiting effect is achieved, the lubricant lubricates the connecting rod 6 penetrating through the inner sleeve 19, one end of the connecting rod 6 is prevented from rusting, abrasion is reduced through lubrication, and the service life of the hand wheel is prolonged.
The working flow of the utility model is as follows: when the pneumatic valve actuator hand wheel switching device designed by the scheme is used, the limiting plug 10 is taken out from the liquid inlet pipe 9 through the upper end of the handheld limiting plug 10, the airtight pad 11 at one end of the limiting plug 10 has a good sealing effect, lubricant can not leak outwards when the hand wheel 3 rotates, then the injected lubricant enters into the grooves of the inner wall thread inner wall 20 of the inner sleeve 19 through the liquid inlet pipe 9 and the surface of the protective cylinder 5, the surface of the sleeve 16 and the circular hole 13 on the surface of the inner sleeve 19, the two sides of the circular hole 13 formed in the inner sleeve 19 are provided with the second thread sealing inner ring 21 and the first thread sealing inner ring 14, the current limiting effect is achieved, the lubricant lubricates the connecting rod 6 penetrating through the inner sleeve 19, one end of the connecting rod 6 is prevented from rusting, abrasion is reduced through lubrication, the service life of the hand wheel is prolonged, and the first sealing ring 8, the sealing inner ring 18, the limiting sealing ring 17 and the second sealing ring 15 play a sealing effect.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a pneumatic valve executor hand wheel auto-change over device, includes executor (1), its characterized in that: the right side of the actuator (1) is provided with a protective sleeve (2), a connecting rod (6) penetrates through the protective sleeve (2), and the right end of the connecting rod (6) is provided with a sealing assembly (4);
seal assembly (4) are including setting up protection section of thick bamboo (5) at connecting rod (6) top right-hand member, the right-hand member at protection section of thick bamboo (5) top has cup jointed hand wheel (3), protection section of thick bamboo (5) are leaned on inside sleeve (16) that is provided with of right-hand member, second sealing washer (15) are installed to sleeve (16) left side bottom circle mouth, spacing sealing washer (17) are installed to sleeve (16) right-hand member circle mouth, sealed inner circle (18) have been placed to sleeve (16) inside left end bottom, sealed inner circle (18) recess block has the left end of inner skleeve (19), the inner wall of inner skleeve (19) is provided with evenly arranged's screw thread inner wall (20), inner skleeve (19) inner wall is provided with first screw thread seal inner circle (14) and second screw thread seal inner circle (21), be spaced apart between first screw thread seal inner circle (14) and the second screw thread seal inner circle (21), round hole (13) have all been seted up to protection section of thick bamboo (5), sleeve (16) and inner skleeve (19) homonymy.
2. The pneumatic valve actuator hand wheel switching device of claim 1, wherein: the protective cylinder is characterized in that the left end of the outer surface of the protective cylinder (5) is sleeved with a sealing sleeve (7), the left side and the right side of the sealing sleeve (7) are sleeved with first sealing rings (8), a liquid inlet pipe (9) is arranged on the outer surface of one side of the sealing sleeve (7), a limiting plug (10) is arranged inside the liquid inlet pipe (9), the outer surface of the lower end of the limiting plug (10) is connected with a rubber block (12), and the outer surface of the lower end of the rubber block (12) is connected with an airtight pad (11).
3. The pneumatic valve actuator hand wheel switching device of claim 2, wherein: the actuator (1) is detachably connected with the connecting rod (6), threaded connection is arranged between the connecting rod (6) and an inner sleeve (19) inside the protection cylinder (5), threaded connection is arranged between the inner wall of the inner sleeve (19) and the first threaded sealing inner ring (14), threaded connection is arranged between the inner wall of the inner sleeve (19) and the second threaded sealing inner ring (21), detachable connection is arranged between the inner sleeve (19) and the sealing inner ring (18), and detachable connection is arranged between the sealing inner ring (18) and the sleeve (16).
4. A pneumatic valve actuator hand wheel switching apparatus as claimed in claim 3 wherein: the sleeve (16) is fixedly connected with the limiting sealing ring (17), the sleeve (16) is fixedly bonded with the second sealing ring (15), the sleeve (16) is sleeved with the protection cylinder (5), and the inner sleeve (19) is sleeved with the sleeve (16).
5. The pneumatic valve actuator hand wheel switching device of claim 4, wherein: the hand wheel (3) is sleeved with the protective cylinder (5), the protective cylinder (5) is sleeved with the sealing sleeve (7), the first sealing ring (8) is connected with the sealing sleeve (7) in a non-detachable mode, and the liquid inlet pipe (9) is fixedly connected with the sealing sleeve (7).
6. The pneumatic valve actuator hand wheel switching device of claim 5, wherein: the liquid inlet pipe (9) is detachably connected with the limiting plug (10), the limiting plug (10) is fixedly connected with the rubber block (12), and the rubber block (12) is fixedly connected with the airtight pad (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321230433.7U CN219673462U (en) | 2023-05-18 | 2023-05-18 | Hand wheel switching device of pneumatic valve actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321230433.7U CN219673462U (en) | 2023-05-18 | 2023-05-18 | Hand wheel switching device of pneumatic valve actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219673462U true CN219673462U (en) | 2023-09-12 |
Family
ID=87924778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321230433.7U Active CN219673462U (en) | 2023-05-18 | 2023-05-18 | Hand wheel switching device of pneumatic valve actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219673462U (en) |
-
2023
- 2023-05-18 CN CN202321230433.7U patent/CN219673462U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |