CN217301112U - Axial movable sealing structure of telescopic cylinder - Google Patents
Axial movable sealing structure of telescopic cylinder Download PDFInfo
- Publication number
- CN217301112U CN217301112U CN202220955040.1U CN202220955040U CN217301112U CN 217301112 U CN217301112 U CN 217301112U CN 202220955040 U CN202220955040 U CN 202220955040U CN 217301112 U CN217301112 U CN 217301112U
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- Prior art keywords
- arc
- bevel gear
- piston rod
- cylinder barrel
- sealing structure
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- 238000007789 sealing Methods 0.000 title claims abstract description 28
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 8
- 239000012535 impurity Substances 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses an axial movable sealing structure of a telescopic cylinder, which relates to the field of sealing equipment of telescopic cylinders and comprises a cylinder barrel, wherein a piston rod penetrating to the top of the cylinder barrel is arranged on the inner side of the cylinder barrel, and a cleaning mechanism is arranged at the top of the cylinder barrel; and the top of the arc-shaped scraper is provided with a connecting mechanism for replacing the arc-shaped scraper. The utility model discloses a set up clean mechanism, can drive the rack and remove when the relative cylinder of piston rod removes, the rack just can stir the connecting rod through the straight-teeth gear and rotate this moment, accessible bevel gear drives the bevel gear ring and rotates when the connecting rod rotates, so alright make the arc scraper blade rotate, thereby increase the clean effect of arc scraper blade to the piston rod outer wall, thereby prevent to adhere to and cause the influence to its inside rubber seal ring in the impurity entering cylinder of piston rod outer wall, thereby increase the sealed effect of equipment, the life of rubber seal ring has also been increased simultaneously.
Description
Technical Field
The utility model relates to a telescopic cylinder's sealing device field specifically is a telescopic cylinder axial activity seal structure.
Background
The cylinder has two types of reciprocating linear motion and reciprocating swing, the cylinder capable of reciprocating linear motion can be divided into a single-acting cylinder, a double-acting cylinder, a diaphragm type cylinder and an impact cylinder, the cylinder generally comprises a cylinder barrel, an end cover, a piston rod, a sealing element and the like, the performance of the cylinder is influenced to a great extent by the quality of sealing, and in the existing cylinder sealing structure, a rubber sealing ring is generally adopted, basically, the rubber sealing ring is deformed and extruded, the gap between the rubber sealing ring and the cylinder barrel or the piston rod is reduced, and gas cannot pass through.
A large amount of impurities can be attached to the long-time use surface of the piston rod, so that the smoothness of the surface of the piston rod can be influenced, the abrasion degree of the rubber sealing ring between the cylinder barrel and the piston rod is easily increased, the service life of the rubber sealing ring is influenced, and the cylinder barrel is leaked.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an: in order to solve the problem that the sealing effect between a cylinder barrel and a piston rod is poor, the axial movable sealing structure of the telescopic cylinder is provided.
In order to achieve the above object, the utility model provides a following technical scheme: an axial movable sealing structure of a telescopic cylinder comprises a cylinder barrel, wherein a piston rod penetrating to the top of the cylinder barrel is arranged on the inner side of the cylinder barrel, and a cleaning mechanism is arranged on the top of the cylinder barrel;
the cleaning mechanism comprises a rack, a connecting frame, a conical gear ring, a connecting rod, a straight gear, an arc-shaped scraper blade and a bevel gear, the connecting frame is fixed at the top of the cylinder barrel and is positioned at the outer side of the piston rod, the conical gear ring is arranged at the inner side of the connecting frame, the connecting rod is arranged at the outer side of the connecting frame and is positioned at one side of the conical gear ring, the bevel gear is fixed at one end of the connecting rod, the straight gear is fixed at one end, far away from the bevel gear, of the connecting rod, the arc-shaped scraper blade is arranged at the top of the conical gear ring, and the rack is arranged at the outer side of the piston rod and is positioned at one side of the straight gear;
and the top of the arc-shaped scraper is provided with a connecting mechanism for replacing the arc-shaped scraper.
As the utility model discloses further scheme again: the connecting mechanism comprises an arc-shaped pressing plate, a positioning column, a limiting hole and a jack, wherein the jack is arranged at the top of the conical gear ring and located below the arc-shaped scraper blade, the limiting hole is formed in the inner portion of the arc-shaped scraper blade, the arc-shaped pressing plate is arranged at the top of the arc-shaped scraper blade, and the positioning column is arranged at the bottom of the arc-shaped pressing plate.
As the utility model discloses further scheme again: the diameters of the limiting hole, the jack and the positioning column are equal, and the depth of the jack is equal to the length of the positioning column.
As a further aspect of the present invention: the diameter of the inner wall of the arc-shaped scraper is larger than that of the inner side of the bevel gear ring, and the diameter of the inner wall of the arc-shaped scraper is fit with the outer wall of the piston rod.
As a further aspect of the present invention: the connecting frame is rotationally connected with the bevel gear ring through a bearing, and the bevel gear is meshed with the clamping teeth on the outer side of the bevel gear ring.
As a further aspect of the present invention: the rack is welded on the outer side of the piston rod, and the latch on one side of the rack is meshed with the latch on the outer side of the straight gear.
As a further aspect of the present invention: the number of the arc-shaped scrapers is two, and the two arc-shaped scrapers are symmetrically arranged along the vertical central axis of the conical gear ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. by arranging the cleaning mechanism, when the piston rod moves relative to the cylinder barrel, the rack can be driven to move, the rack can stir the connecting rod to rotate through the straight gear, and when the connecting rod rotates, the bevel gear can drive the bevel gear ring to rotate, so that the arc-shaped scraper can rotate, the cleaning effect of the arc-shaped scraper on the outer wall of the piston rod is increased, impurities attached to the outer wall of the piston rod are prevented from entering the cylinder barrel to affect the rubber sealing ring inside the cylinder barrel, the sealing effect of equipment is increased, and the service life of the rubber sealing ring is prolonged;
2. through setting up coupling mechanism, can stimulate the arc clamp plate earlier when changing the arc scraper blade for reference column and jack separation, later alright take off the arc scraper blade between conical gear ring and the arc clamp plate, later place brand-new arc scraper blade at conical gear ring top, make spacing hole and jack align, later alright insert the inside of jack with the reference column, realize the change to the arc scraper blade with this, pass through the facility for subsequent use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
fig. 3 is a schematic view of the connection between the arc-shaped pressing plate and the bevel gear ring of the present invention.
In the figure: 1. a cylinder barrel; 2. a piston rod; 3. a cleaning mechanism; 301. a rack; 302. a connecting frame; 303. a bevel gear ring; 304. a connecting rod; 305. a spur gear; 306. an arc-shaped scraper plate; 307. a bevel gear; 4. a connecting mechanism; 401. an arc-shaped pressing plate; 402. a positioning column; 403. a limiting hole; 404. and (4) inserting the jack.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, an axially movable sealing structure for a telescopic cylinder includes a cylinder barrel 1, a piston rod 2 penetrating through the top of the cylinder barrel 1 is disposed inside the cylinder barrel 1, and a cleaning mechanism 3 is disposed at the top of the cylinder barrel 1;
the cleaning mechanism 3 comprises a rack 301, a connecting frame 302, a bevel gear ring 303, a connecting rod 304, a straight gear 305, an arc-shaped scraper 306 and a bevel gear 307, wherein the connecting frame 302 is fixed at the top of the cylinder barrel 1 and is positioned at the outer side of the piston rod 2, the bevel gear ring 303 is arranged at the inner side of the connecting frame 302, the connecting rod 304 is arranged at the outer side of the connecting frame 302 and is positioned at one side of the bevel gear ring 303, the bevel gear 307 is fixed at one end of the connecting rod 304, the straight gear 305 is fixed at one end of the connecting rod 304, which is far away from the bevel gear 307, the arc-shaped scraper 306 is arranged at the top of the bevel gear ring 303, and the rack 301 is arranged at the outer side of the piston rod 2 and is positioned at one side of the straight gear 305;
the top of the arc-shaped scraper 306 is provided with a connecting mechanism 4 for replacing the arc-shaped scraper 306.
In this embodiment: can drive rack 301 when piston rod 2 removes relative cylinder 1 and remove, rack 301 just can stir connecting rod 304 through straight-toothed gear 305 and rotate this moment, accessible bevel gear 307 drives bevel gear ring 303 and rotates when connecting rod 304 rotates, so alright make arc scraper 306 rotate, thereby increase arc scraper 306 and to the clean effect of piston rod 2 outer wall, thereby prevent to adhere to and cause the influence to its inside rubber seal ring in the impurity entering cylinder 1 of piston rod 2 outer wall, thereby increase the sealed effect of equipment, the life of rubber seal ring has also been increased simultaneously.
Please refer to fig. 1, 2, and 3, the connecting mechanism 4 includes an arc pressing plate 401, a positioning column 402, a limiting hole 403, and an insertion hole 404, the insertion hole 404 is disposed at the top of the bevel gear ring 303 and below the arc scraper 306, the limiting hole 403 is disposed inside the arc scraper 306, the arc pressing plate 401 is disposed at the top of the arc scraper 306, and the positioning column 402 is disposed at the bottom of the arc pressing plate 401.
In this embodiment: can stimulate arc clamp plate 401 earlier when changing arc scraper blade 306 for reference column 402 separates with jack 404, later alright take off the arc scraper blade 306 between bevel gear ring 303 and the arc clamp plate 401, later place brand-new arc scraper blade 306 at bevel gear ring 303 top, make spacing hole 403 align with jack 404, later alright insert the inside of jack 404 with reference column 402, so that realize the change to arc scraper blade 306, pass through the facility for subsequent use.
Please refer to fig. 3, the diameters of the position-limiting hole 403, the insertion hole 404 and the positioning pillar 402 are all equal, and the depth of the insertion hole 404 is equal to the length of the positioning pillar 402.
In this embodiment: by providing this structure, the positioning post 402 can be inserted into the insertion hole 404 through the limiting hole 403.
Please refer to fig. 2 and 3, the diameter of the inner wall of the arc-shaped scraper 306 is larger than the diameter of the inner side of the bevel gear ring 303, and the arc-shaped scraper is attached to the outer wall of the piston rod 2.
In this embodiment: through setting up this structure to make arc scraper blade 306 and the outer wall contact of piston rod 2, come to carry out scraping, cleaning to its outer wall through the removal of piston rod 2.
Referring to fig. 2, the connecting frame 302 is rotatably connected to the bevel gear ring 303 through a bearing, and the bevel gear 307 is engaged with a latch on the outer side of the bevel gear ring 303.
In this embodiment: by setting the structure, when the bevel gear 307 rotates, the bevel gear ring 303 is turned, so that the bevel gear ring 303 rotates relative to the connecting frame 302.
Please refer to fig. 1 and 2, the rack 301 is welded to the outside of the piston rod 2, and the latch on one side of the rack 301 is engaged with the latch on the outside of the spur gear 305.
In this embodiment: with this configuration, when the rack 301 moves along with the piston rod 2, the spur gear 305 rotates, and the connecting rod 304 of the spur gear 305 rotates.
Please refer to fig. 3, the number of the arc scrapers 306 is two, and the two arc scrapers 306 are symmetrically arranged along the vertical central axis of the bevel gear ring 303.
In this embodiment: wrap up the outside of piston rod 2 through setting up this structure to this outer wall to piston rod 2 carries out comprehensive clearance.
The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.
Claims (7)
1. An axial movable sealing structure of a telescopic cylinder comprises a cylinder barrel (1), wherein a piston rod (2) penetrating to the top of the cylinder barrel (1) is arranged on the inner side of the cylinder barrel (1), and the axial movable sealing structure is characterized in that a cleaning mechanism (3) is arranged on the top of the cylinder barrel (1);
the cleaning mechanism (3) comprises a rack (301), a connecting frame (302), a bevel gear ring (303), a connecting rod (304), a straight gear (305), an arc-shaped scraper (306) and a bevel gear (307), the connecting frame (302) is fixed to the top of the cylinder barrel (1), the bevel gear ring (303) is arranged on the inner side of the connecting frame (302), the connecting rod (304) is arranged on the outer side of the connecting frame (302), the bevel gear (307) is fixed to one end of the connecting rod (304), the straight gear (305) is fixed to one end, far away from the bevel gear (307), of the connecting rod (304), the arc-shaped scraper (306) is arranged on the top of the bevel gear ring (303), and the rack (301) is arranged on the outer side of the piston rod (2);
the top of the arc-shaped scraper (306) is provided with a connecting mechanism (4) for replacing the arc-shaped scraper (306).
2. The telescopic cylinder axial movable sealing structure of claim 1, wherein the connecting mechanism (4) comprises an arc-shaped pressing plate (401), a positioning column (402), a limiting hole (403) and a jack (404), the jack (404) is arranged at the top of the bevel gear ring (303), the limiting hole (403) is arranged inside the arc-shaped scraper (306), the arc-shaped pressing plate (401) is arranged at the top of the arc-shaped scraper (306), and the positioning column (402) is arranged at the bottom of the arc-shaped pressing plate (401).
3. The axial movable sealing structure of the telescopic cylinder as claimed in claim 2, wherein the diameters of the limiting hole (403), the insertion hole (404) and the positioning post (402) are all equal, and the depth of the insertion hole (404) is equal to the length of the positioning post (402).
4. A telescopic cylinder axial movable sealing structure according to claim 1, characterized in that the diameter of the inner wall of the arc-shaped scraper (306) is larger than the diameter of the inner side of the bevel gear ring (303).
5. A telescopic cylinder axial movement sealing structure according to claim 1, characterized in that the connecting frame (302) is rotatably connected with the bevel gear ring (303) through a bearing, and the bevel gear (307) is engaged with a latch on the outer side of the bevel gear ring (303).
6. The telescopic cylinder axial movable sealing structure is characterized in that the rack (301) is welded on the outer side of the piston rod (2), and the latch on one side of the rack (301) is meshed with the latch on the outer side of the straight gear (305).
7. The telescopic cylinder axial movable sealing structure of claim 1, characterized in that the number of the arc-shaped scrapers (306) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220955040.1U CN217301112U (en) | 2022-04-24 | 2022-04-24 | Axial movable sealing structure of telescopic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220955040.1U CN217301112U (en) | 2022-04-24 | 2022-04-24 | Axial movable sealing structure of telescopic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217301112U true CN217301112U (en) | 2022-08-26 |
Family
ID=82914436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220955040.1U Active CN217301112U (en) | 2022-04-24 | 2022-04-24 | Axial movable sealing structure of telescopic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217301112U (en) |
-
2022
- 2022-04-24 CN CN202220955040.1U patent/CN217301112U/en active Active
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