CN219888398U - Sealing structure for piston rod - Google Patents
Sealing structure for piston rod Download PDFInfo
- Publication number
- CN219888398U CN219888398U CN202321318953.3U CN202321318953U CN219888398U CN 219888398 U CN219888398 U CN 219888398U CN 202321318953 U CN202321318953 U CN 202321318953U CN 219888398 U CN219888398 U CN 219888398U
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- piston rod
- assembly
- sealing
- rod body
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- 238000007789 sealing Methods 0.000 title claims abstract description 72
- 238000004140 cleaning Methods 0.000 claims abstract description 55
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000000694 effects Effects 0.000 claims abstract description 9
- 239000002131 composite material Substances 0.000 claims description 27
- 150000001875 compounds Chemical class 0.000 claims description 5
- 239000000428 dust Substances 0.000 abstract description 10
- 230000002265 prevention Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 6
- 241000883990 Flabellum Species 0.000 description 4
- 230000002452 interceptive effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 206010017367 Frequent bowel movements Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of piston rods, and discloses a sealing structure for a piston rod, which comprises an oil cylinder body and a piston rod body positioned on the inner side of the oil cylinder body, wherein one end of the oil cylinder body and one end of the piston rod body are sleeved with a supporting sleeve assembly together, the inner side of the supporting sleeve assembly is sleeved with a rotary supporting assembly, a meshing transmission assembly, a sealing assembly and a contact cleaning assembly, and the rotary supporting assembly is sleeved in one side of the meshing transmission assembly. According to the utility model, the support sleeve assembly, the rotary support assembly, the meshing transmission assembly, the sealing assembly and the contact cleaning assembly are arranged to form a multifunctional sealing structure, and then after the oil cylinder body and the piston rod body are matched for combined use, the piston rod body is subjected to contact dust removal while sealed dust prevention, so that the self-cleaning using effect of the whole device is realized, the using effect of the piston rod body is fully optimized, and the practicability is improved.
Description
Technical Field
The utility model relates to the technical field of piston rods, in particular to a sealing structure for a piston rod.
Background
The piston rod is a connecting part for supporting the piston to do work, most of the piston rod is applied to a cylinder and air cylinder motion executing part and is a motion part with frequent motion and high technical requirements, and the technical structure of the piston rod needs to be further improved and optimized along with the improvement of the use requirements in the related field;
the utility model of the present publication number CN214617301U, the sealing structure for the piston rod disclosed by the utility model, comprising a piston rod body, the middle part fixed mounting of piston rod body has first fixed block, the one end fixed mounting of piston rod body has the second fixed block, first connecting block is installed to the one end of first fixed block, the second connecting block is installed to the one end of second fixed block, install the ripple rubber tube between first connecting block and the second connecting block, when specifically using, through being provided with first fixed block, the second fixed block, first connecting block, second connecting block and ripple rubber tube, this sealing structure for the piston rod can effectually seal the protection to the surface of piston rod, thereby make the piston rod can not glue dust and particulate matter down at telescopic movement's in-process, effectually reduced the friction of piston rod, and guaranteed the quality of lubricating oil and the validity of oil blanket seal.
As is clear from the above disclosure, as the prior art, the utility model of the publication No. CN214617301U proposes a dustproof sleeve structure covered on the piston rod based on the existing piston rod, and the dustproof effect on the piston rod is achieved by the technical scheme of full coverage and elastic telescopic yielding, which is theoretically feasible, but when the piston rod is used, the related movable components are linked, a larger yielding space is needed to avoid structural interference, while the covering dustproof structure proposed in the prior art can perform elastic folding and yielding, but the folding and yielding of the structure also needs a certain yielding space, which has a larger probability of collision with the actual use situation, and has a practical limit.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a sealing structure for a piston rod, which solves the problems proposed by the background technology.
The utility model provides the following technical scheme: the sealing structure for the piston rod comprises an oil cylinder body, wherein the piston rod body is positioned at the inner side of the oil cylinder body, one end of the oil cylinder body and one end of the piston rod body are sleeved with a supporting sleeve assembly together, the inner side of the supporting sleeve assembly is sleeved with a rotary supporting assembly, a meshing transmission assembly, a sealing assembly and a contact cleaning assembly, the rotary supporting assembly is sleeved in one side of the meshing transmission assembly, and the inner side of the rotary supporting assembly is movably sleeved on the surface of one end of the piston rod body;
the sealing component and the contact cleaning component are sleeved on the inner side of the other side of the meshing transmission component, and the inner side of the contact cleaning component and the inner side of the sealing component are arranged on the surface of one end of the piston rod body.
The oil cylinder is characterized in that a main supporting sleeve is arranged in the supporting sleeve assembly, a step groove is formed in the end face of one end of the main supporting sleeve, an auxiliary sleeve cover plate is clamped in the step groove, the inner side of the other end of the main supporting sleeve is sleeved on the surface of one end of the oil cylinder body and is fixed by a screw, and the auxiliary sleeve cover plate is fixed with one end of the main supporting sleeve by the screw.
The inner side of the middle part of the auxiliary cover plate is movably sleeved on the outer side of one end of the piston rod body, and a yielding annular gap is arranged between the inner wall of the middle part of the auxiliary cover plate and the surface of one end of the piston rod body.
The rotary supporting component is composed of a supporting bearing and a limiting sleeve fixedly connected with the surface of one end of an inner ring structure of the supporting bearing, one end of the limiting sleeve is fixedly connected with the inner wall of the other end of the main supporting sleeve, and the inner ring structure of the supporting bearing is clamped on the surface of one end of the piston rod body.
The gear is meshed with one end surface of the composite gear sleeve, the output end of the servo motor is in transmission connection with one end of the gear, and the inner side of the other end of the composite gear sleeve is fixedly sleeved with the outer ring structure surface of the limit sleeve.
The sealing assembly is composed of a sealing sleeve and a sealing ring fixedly sleeved on the inner side of the sealing sleeve, the sealing ring is clamped on the surface of one end of the piston rod body, one end of the sealing sleeve is fixedly connected with the surface of the other end of the inner ring structure of the limiting sleeve, and the sealing sleeve is movably sleeved on the inner side of the other end of the composite gear sleeve.
The contact cleaning assembly is selected and consists of a transitional connecting sleeve plate and a cleaning sleeve block fixedly connected with the side face of one side of the transitional connecting sleeve plate, the cleaning sleeve block is movably sleeved on the inner side of one end of the composite gear sleeve, and a linkage lug is fixedly connected between the side face of one side of the transitional connecting sleeve plate and the inner wall of one end of the composite gear sleeve.
The inner side of the meshing transmission assembly is sleeved with a pneumatic cleaning assembly, the pneumatic cleaning assembly is composed of a linkage sleeve and fan blades fixedly connected with the surface of the linkage sleeve, one end of the linkage sleeve is fixedly connected with the inner wall of the other end of the composite gear sleeve, and the fan blades are movably sleeved on the inner side of the composite gear sleeve.
The fan blades are arranged at least two times and are arranged on the surface of the linkage sleeve in a circumferential array mode, and the air outlet direction of the fan blades faces to the outside from the abdication annular gap.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the support sleeve assembly, the rotary support assembly, the meshing transmission assembly, the sealing assembly and the contact cleaning assembly are arranged to form a multifunctional sealing structure, and then after the oil cylinder body and the piston rod body are matched for combined use, the piston rod body is subjected to contact dust removal while sealed dust prevention, so that the self-cleaning using effect of the whole device is realized, the using effect of the piston rod body is fully optimized, and the practicability is improved.
2. According to the utility model, the support sleeve assembly, the rotary support assembly, the meshing transmission assembly, the sealing assembly and the pneumatic cleaning assembly are arranged to form another multifunctional sealing structure, and after the cylinder body and the piston rod body are matched for combined use, the piston rod body is sealed and dust-proof, and meanwhile, pneumatic dust removal is carried out on the piston rod body, so that the self-cleaning using effect of the whole device is realized, the using range is expanded, and different using requirements are met.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present utility model;
FIG. 2 is a schematic view in partial cross-section of a structural rotary support assembly of the present utility model;
FIG. 3 is a schematic cross-sectional view of a structural engagement transmission assembly of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of the present utility model at A in FIG. 3;
FIG. 5 is a schematic left side view of a pneumatic cleaning assembly of the present utility model;
FIG. 6 is a schematic view in partial cross-section of a structural seal assembly of the present utility model;
FIG. 7 is a schematic left side view of a pneumatic cleaning assembly of the present utility model;
fig. 8 is an enlarged schematic view of the structure of the present utility model at B in fig. 6.
In the figure: 1. an oil cylinder body; 2. a piston rod body; 3. a support sleeve assembly; 31. a main support sleeve; 32. an auxiliary cover plate; 4. a rotary support assembly; 41. a support bearing; 42. a limit sleeve; 5. meshing the transmission assembly; 51. a gear; 52. a composite gear sleeve; 53. a servo motor; 6. a seal assembly; 61. sealing the sleeve; 62. a seal ring; 7. a contact cleaning assembly; 71. the transition is connected with the sleeve plate; 72. cleaning the sleeve block; 8. a pneumatic cleaning assembly; 81. a linkage sleeve; 82. and (3) a fan blade.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-4, a sealing structure for a piston rod includes an oil cylinder body 1, a piston rod body 2 located inside the oil cylinder body 1, a support sleeve assembly 3 sleeved together at one end of the oil cylinder body 1 and one end of the piston rod body 2, a main support sleeve 31 arranged inside the support sleeve assembly 3, a step groove formed in an end face of one end of the main support sleeve 31, an auxiliary sleeve cover plate 32 clamped inside the step groove, and an auxiliary sleeve cover plate 32 sleeved on the surface of one end of the oil cylinder body 1 and fixed by screws at the other end of the main support sleeve 31, wherein screws are also used for fixing the auxiliary sleeve cover plate 32 and one end of the main support sleeve 31, the support sleeve assembly 3 provides sleeved support protection for subsequently installed components, and the main support sleeve 31 and the auxiliary sleeve cover plate 32 of the support sleeve assembly 3 are also provided with structural characteristics of reciprocating installation and disassembly, so that convenient conditions are provided for maintaining the subsequently installed components inside the support sleeve assembly 3;
the inner side of the middle part of the auxiliary cover plate 32 is movably sleeved on the outer side of one end of the piston rod body 2, and a yielding annular gap is arranged between the inner wall of the middle part of the auxiliary cover plate 32 and the surface of one end of the piston rod body 2, so that space conditions far away from the oil cylinder body 1 and the piston rod body 2 are provided for subsequent actively cleaned dust;
the inner side of the support sleeve assembly 3 is sleeved with a rotary support assembly 4, a meshing transmission assembly 5, a sealing assembly 6 and a contact cleaning assembly 7, the rotary support assembly 4 is sleeved in one side of the meshing transmission assembly 5, the inner side of the rotary support assembly 4 is movably sleeved on the surface of one end of the piston rod body 2, the rotary support assembly 4 consists of a support bearing 41 and a limit sleeve 42 fixedly connected with the surface of one end of an inner ring structure of the support bearing 41, one end of the limit sleeve 42 is fixedly connected with the inner wall of the other end of the main support sleeve 31, the inner ring structure of the support bearing 41 is clamped on the surface of one end of the piston rod body 2, and the rotary support assembly 4 provides rotary power for the meshing transmission assembly 5 to be communicated with the central axis of the piston rod body 2 without structural interference;
the gear 51, the composite gear sleeve 52 and the servo motor 53 are arranged in the meshing transmission assembly 5, the gear 51 is in meshing connection with one end surface of the composite gear sleeve 52, the output end of the servo motor 53 is in transmission connection with one end of the gear 51, the inner side of the other end of the composite gear sleeve 52 is fixedly sleeved with the outer ring structure surface of the limit sleeve 42, the meshing transmission assembly 5 provides rotating operation for the contact cleaning assembly 7 while not interfering with sealing operation of the sealing assembly 6, and then a self-cleaning power condition of the device is provided;
the sealing component 6 and the contact cleaning component 7 are sleeved on the inner side of the other side of the meshing transmission component 5, the inner side of the contact cleaning component 7 and the inner side of the sealing component 6 are both arranged on the surface of one end of the piston rod body 2, the sealing component 6 consists of a sealing sleeve 61 and a sealing ring 62 fixedly sleeved on the inner side of the sealing sleeve 61, the sealing ring 62 is clamped on the surface of one end of the piston rod body 2, one end of the sealing sleeve 61 is fixedly connected with the surface of the other end of the inner ring structure of the limiting sleeve 42, the sealing sleeve 61 is movably sleeved on the inner side of the other end of the composite gear sleeve 52, and the sealing component 6 movably seals between one end of the piston rod body 2 and one end of the cylinder body 1 to perform preliminary dust prevention;
the contact cleaning component 7 is composed of a transitional connection sleeve plate 71 and a cleaning sleeve block 72 fixedly connected with the side surface of one side of the transitional connection sleeve plate 71, the cleaning sleeve block 72 is movably sleeved on the inner side of one end of the composite gear sleeve 52, a linkage lug is fixedly connected between the side surface of one side of the transitional connection sleeve plate 71 and the inner wall of one end of the composite gear sleeve 52, and the contact cleaning component 7 is in contact with one end of the piston rod body 2, so that the structural condition of active cleaning is provided.
Working principle: when the self-cleaning device is used, in the process that the piston rod body 2 moves in a reciprocating manner by virtue of the oil cylinder body 1, the servo motor 53 in the meshing transmission assembly 5 is started, then the servo motor 53 drives the gear 51 to rotate so as to mesh the composite gear sleeve 52, the composite gear sleeve 52 drives the contact cleaning assembly 7 to synchronously rotate under the support of the outer ring structure of the support bearing 41 in the rotary support assembly 4, and then the surface of the piston rod body 2 is in reciprocating contact by virtue of the reciprocating cleaning sleeve block 72, so that the self-cleaning operation of the whole device is realized;
the seal ring 62 inside the seal assembly 6 can movably seal between one end of the piston rod body 2 and one end of the cylinder body 1 without interfering with the movement operation of the piston rod body 2, and further dust-proof treatment is performed.
Example two
Referring to fig. 5-8, a sealing structure for a piston rod includes an oil cylinder body 1, a piston rod body 2 located inside the oil cylinder body 1, a support sleeve assembly 3 sleeved together at one end of the oil cylinder body 1 and one end of the piston rod body 2, a main support sleeve 31 arranged inside the support sleeve assembly 3, a step groove formed in an end face of one end of the main support sleeve 31, an auxiliary sleeve cover plate 32 clamped inside the step groove, and an auxiliary sleeve cover plate 32 sleeved on a surface of one end of the oil cylinder body 1 and fixed by screws at the other end of the main support sleeve 31, wherein screws are also used for fixing the auxiliary sleeve cover plate 32 and one end of the main support sleeve 31, the support sleeve assembly 3 provides sleeved support protection for subsequently installed components, and the main support sleeve 31 and the auxiliary sleeve cover plate 32 of the support sleeve assembly 3 are also provided with structural characteristics of reciprocating installation and disassembly, so that convenient conditions are provided for maintaining the subsequently installed components inside the support sleeve assembly 3;
the inner side of the middle part of the auxiliary cover plate 32 is movably sleeved on the outer side of one end of the piston rod body 2, and a yielding annular gap is arranged between the inner wall of the middle part of the auxiliary cover plate 32 and the surface of one end of the piston rod body 2, so that space conditions far away from the oil cylinder body 1 and the piston rod body 2 are provided for subsequent actively cleaned dust;
the inner side of the support sleeve assembly 3 is sleeved with a rotary support assembly 4, a meshing transmission assembly 5, a sealing assembly 6 and a contact cleaning assembly 7, the rotary support assembly 4 is sleeved in one side of the meshing transmission assembly 5, the inner side of the rotary support assembly 4 is movably sleeved on the surface of one end of the piston rod body 2, the rotary support assembly 4 consists of a support bearing 41 and a limit sleeve 42 fixedly connected with the surface of one end of an inner ring structure of the support bearing 41, one end of the limit sleeve 42 is fixedly connected with the inner wall of the other end of the main support sleeve 31, the inner ring structure of the support bearing 41 is clamped on the surface of one end of the piston rod body 2, and the rotary support assembly 4 provides rotary power for the meshing transmission assembly 5 to be communicated with the central axis of the piston rod body 2 without structural interference;
the gear 51, the composite gear sleeve 52 and the servo motor 53 are arranged in the meshing transmission assembly 5, the gear 51 is in meshing connection with one end surface of the composite gear sleeve 52, the output end of the servo motor 53 is in transmission connection with one end of the gear 51, the inner side of the other end of the composite gear sleeve 52 is fixedly sleeved with the outer ring structure surface of the limit sleeve 42, the meshing transmission assembly 5 provides rotating operation for the contact cleaning assembly 7 while not interfering with sealing operation of the sealing assembly 6, and then a self-cleaning power condition of the device is provided;
the sealing component 6 and the contact cleaning component 7 are sleeved on the inner side of the other side of the meshing transmission component 5, the inner side of the contact cleaning component 7 and the inner side of the sealing component 6 are both arranged on the surface of one end of the piston rod body 2, the sealing component 6 consists of a sealing sleeve 61 and a sealing ring 62 fixedly sleeved on the inner side of the sealing sleeve 61, the sealing ring 62 is clamped on the surface of one end of the piston rod body 2, one end of the sealing sleeve 61 is fixedly connected with the surface of the other end of the inner ring structure of the limiting sleeve 42, the sealing sleeve 61 is movably sleeved on the inner side of the other end of the composite gear sleeve 52, and the sealing component 6 movably seals between one end of the piston rod body 2 and one end of the cylinder body 1 to perform preliminary dust prevention;
the inside cover of meshing drive assembly 5 is equipped with pneumatic cleaning assembly 8, and pneumatic cleaning assembly 8 comprises linkage sleeve 81 and linkage sleeve 81 fixed surface's flabellum 82 of connection, linkage sleeve 81's one end and the inner wall fixed connection of compound gear sleeve 52 other end, flabellum 82 activity cup joints in compound gear sleeve 52's inboard, the setting quantity of flabellum 82 is not less than two and arranges the surface of installing at linkage sleeve 81 with the mode of circumference array, flabellum 82's air-out direction is from the annular space of stepping down towards the external world, pneumatic cleaning assembly 8 assists the rotatory operation of cooperation meshing drive assembly 5, synchronous wind production operation carries out, then utilize the annular space of stepping down to carry out pneumatic cleaning effect to piston rod body 2's surface.
Working principle: when the automatic cleaning device is used, in the reciprocating movement advancing process of the piston rod body 2 by virtue of the oil cylinder body 1, the servo motor 53 in the meshing transmission assembly 5 is started, then the servo motor 53 drives the gear 51 to rotate so as to mesh the composite gear sleeve 52, the composite gear sleeve 52 drives the pneumatic cleaning assembly 8 to synchronously rotate under the support of the outer ring structure of the support bearing 41 in the rotary support assembly 4, then the reciprocating rotary fan blades 82 are utilized to generate air flow, and the pneumatic cleaning is carried out on the surface of the piston rod body 2 through the abdication annular gap, so that the automatic cleaning operation of the whole device is realized;
the seal ring 62 inside the seal assembly 6 can movably seal between one end of the piston rod body 2 and one end of the cylinder body 1 without interfering with the movement operation of the piston rod body 2, and further dust-proof treatment is performed.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Meanwhile, in the drawings of the present utility model, the filling pattern is only for distinguishing the layers, and is not limited in any way.
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 (9)
1. The utility model provides a seal structure for piston rod, includes hydro-cylinder body (1), is located inboard piston rod body (2) of hydro-cylinder body (1), its characterized in that: one end of the oil cylinder body (1) and one end of the piston rod body (2) are sleeved with a supporting sleeve assembly (3) together, the inner side of the supporting sleeve assembly (3) is sleeved with a rotary supporting assembly (4), an engagement transmission assembly (5), a sealing assembly (6) and a contact cleaning assembly (7), the rotary supporting assembly (4) is sleeved in one side of the engagement transmission assembly (5), and the inner side of the rotary supporting assembly (4) is movably sleeved on the surface of one end of the piston rod body (2);
the sealing component (6) and the contact cleaning component (7) are sleeved on the inner side of the other side of the meshing transmission component (5), and the inner side of the contact cleaning component (7) and the inner side of the sealing component (6) are arranged on the surface of one end of the piston rod body (2).
2. A sealing structure for a piston rod according to claim 1, wherein: the inside of support sleeve subassembly (3) is provided with main support sleeve (31), and the terminal surface of main support sleeve (31) one end has seted up the step groove, the inside joint in step groove has auxiliary sleeve apron (32), the inboard suit of main support sleeve (31) other end is at the surface of hydro-cylinder body (1) one end and adopts the screw to fix, also adopt the screw to fix between auxiliary sleeve apron (32) and the one end of main support sleeve (31).
3. A sealing structure for a piston rod according to claim 2, characterized in that: the inner side of auxiliary cover plate (32) middle part activity cup joints in the outside of piston rod body (2) one end, and is provided with the annular space of stepping down between the inner wall at auxiliary cover plate (32) middle part and the surface of piston rod body (2) one end.
4. A sealing structure for a piston rod according to claim 1, wherein: the rotary support assembly (4) is composed of a support bearing (41) and a limiting sleeve (42) fixedly connected with the surface of one end of the inner ring structure of the support bearing (41), one end of the limiting sleeve (42) is fixedly connected with the inner wall of the other end of the main support sleeve (31), and the inner ring structure of the support bearing (41) is clamped on the surface of one end of the piston rod body (2).
5. A sealing structure for a piston rod according to claim 1, wherein: the inside of meshing drive assembly (5) is provided with gear (51), compound gear sleeve (52), servo motor (53), and gear (51) are connected with the one end surface meshing of compound gear sleeve (52), the output of servo motor (53) is connected with the one end transmission of gear (51), the inboard of compound gear sleeve (52) other end and the outer lane structure surface fixed sleeve joint of stop collar (42).
6. A sealing structure for a piston rod according to claim 1, wherein: the sealing assembly (6) is composed of a sealing sleeve (61) and a sealing ring (62) fixedly sleeved on the inner side of the sealing sleeve (61), the sealing ring (62) is clamped on the surface of one end of the piston rod body (2), one end of the sealing sleeve (61) is fixedly connected with the surface of the other end of the inner ring structure of the limiting sleeve (42), and the sealing sleeve (61) is movably sleeved on the inner side of the other end of the composite gear sleeve (52).
7. A sealing structure for a piston rod according to claim 1, wherein: the contact cleaning assembly (7) is composed of a transitional connection sleeve plate (71) and a cleaning sleeve block (72) fixedly connected with the side face of one side of the transitional connection sleeve plate (71), the cleaning sleeve block (72) is movably sleeved on the inner side of one end of the composite gear sleeve (52), and a linkage lug is fixedly connected between the side face of one side of the transitional connection sleeve plate (71) and the inner wall of one end of the composite gear sleeve (52).
8. A sealing structure for a piston rod according to claim 5, wherein: the inner side of the meshing transmission assembly (5) is sleeved with a pneumatic cleaning assembly (8), the pneumatic cleaning assembly (8) is composed of a linkage sleeve (81) and fan blades (82) fixedly connected with the surface of the linkage sleeve (81), one end of the linkage sleeve (81) is fixedly connected with the inner wall of the other end of the composite gear sleeve (52), and the fan blades (82) are movably sleeved on the inner side of the composite gear sleeve (52).
9. A sealing structure for a piston rod according to claim 8, wherein: the number of the fan blades (82) is not less than two, the fan blades are arranged on the surface of the linkage sleeve (81) in a circumferential array mode, and the air outlet direction of the fan blades (82) faces to the outside from the abdication annular gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321318953.3U CN219888398U (en) | 2023-05-29 | 2023-05-29 | Sealing structure for piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321318953.3U CN219888398U (en) | 2023-05-29 | 2023-05-29 | Sealing structure for piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219888398U true CN219888398U (en) | 2023-10-24 |
Family
ID=88408260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321318953.3U Active CN219888398U (en) | 2023-05-29 | 2023-05-29 | Sealing structure for piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219888398U (en) |
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2023
- 2023-05-29 CN CN202321318953.3U patent/CN219888398U/en active Active
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