CN216767940U - Floating buffer hydraulic oil cylinder - Google Patents
Floating buffer hydraulic oil cylinder Download PDFInfo
- Publication number
- CN216767940U CN216767940U CN202220436315.0U CN202220436315U CN216767940U CN 216767940 U CN216767940 U CN 216767940U CN 202220436315 U CN202220436315 U CN 202220436315U CN 216767940 U CN216767940 U CN 216767940U
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- China
- Prior art keywords
- piston rod
- cylinder
- cylinder barrel
- sleeve
- sealing ring
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- Expired - Fee Related
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- 238000007667 floating Methods 0.000 title claims abstract description 18
- 239000010720 hydraulic oil Substances 0.000 title abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 239000002184 metal Substances 0.000 claims abstract description 27
- 230000003139 buffering effect Effects 0.000 claims abstract description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 8
- 239000012530 fluid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 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
- 230000002265 prevention Effects 0.000 description 1
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Abstract
The utility model discloses a floating type buffering hydraulic oil cylinder which comprises a cylinder barrel, a cylinder sleeve and a piston rod, wherein the piston rod is inserted and connected to one end of the cylinder barrel, and a sealing ring is sleeved on the surface of the piston rod; according to the utility model, through arranging the guide strip, the chute, the buffer groove, the metal sheet, the sealing ring, the abutting block, the spring and the notch, when the piston rod reciprocates, the piston sleeve on the piston rod slides with the guide strip welded on the inner wall of the cylinder barrel through the notch, so that one end of the piston rod with the chute is guided to extend into the buffer groove of the cylinder sleeve, as the hemispherical abutting block is sleeved with the spring fixed in the buffer groove through the extension column, and the periphery of the abutting block is annularly provided with the plurality of metal sheets, when the piston rod extends into the buffer groove, the piston rod extrudes the abutting block to compress the spring, and the metal sheet extends into the chute of the piston rod, so that the metal sheet is pressed to deform, the impact buffering of the piston rod is realized, the hard collision between the piston rod and the cylinder sleeve is avoided, and the service life is prolonged.
Description
Technical Field
The utility model relates to the technical field of hydraulic oil cylinders, in particular to a floating type buffer hydraulic oil cylinder.
Background
The hydraulic cylinder is an actuating element in a hydraulic transmission system, and is an energy conversion device for converting hydraulic energy into mechanical energy, the hydraulic motor realizes continuous rotary motion, and the hydraulic cylinder realizes reciprocating motion.
The piston rod of the existing hydraulic oil cylinder is very easy to have hard collision with the bottom of a cylinder sleeve of the hydraulic oil cylinder in the reciprocating motion process, the collision is difficult to effectively buffer, the service life of the hydraulic oil cylinder can be shortened, and meanwhile, the joint of the cylinder shell and the piston rod of the hydraulic oil cylinder is not ideal in sealing effect and has the risk of leakage of hydraulic oil.
Therefore, the floating type buffering hydraulic oil cylinder has the advantages of buffering and leakage prevention, and further solves the problems in the background technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a floating type buffering hydraulic oil cylinder.
In order to achieve the purpose, the utility model adopts the following technical scheme: a floating type buffer hydraulic cylinder comprises a cylinder barrel, a cylinder sleeve and a piston rod, wherein a piston rod is connected to one end of the cylinder barrel in an inserting mode, a sealing ring is sleeved on the surface of the piston rod, the surface of the sealing ring is fixedly connected with the cylinder barrel through a bolt, a piston sleeve is sleeved on a part, extending into the cylinder barrel, of the piston rod, a notch is formed in the surface of the piston sleeve, a guide strip is fixed on the inner wall surface of the cylinder barrel and is connected with the notch of the piston sleeve in an embedding mode, the other end of the cylinder barrel is fixedly connected with the cylinder sleeve, a buffer groove is formed in one surface, facing the piston rod, of the cylinder sleeve, a spring is fixed in the buffer groove, one end of the spring is connected with a supporting block, a metal sheet is obliquely arranged on the periphery of the supporting block and welded with the inner wall of the buffer groove, a chute is formed in the side surface of one end of the piston rod and corresponds to the metal sheet, a first oil pipe is arranged on the outer wall surface of the cylinder barrel, and a second oil pipe is arranged on the outer wall surface of the cylinder sleeve.
As a further description of the above technical solution: the inner ring of sealing ring has seted up the annular groove, and the annular groove internal fixation has the sealing washer, the inner ring equidistance of sealing washer is provided with a plurality of bulge loops, and a plurality of bulge loops and sealing washer formula structure as an organic whole.
As a further description of the above technical solution: one end of the piston rod is encircled with a plurality of chutes, and the inner wall of each buffer groove is welded with a plurality of metal sheets corresponding to the chutes.
As a further description of the above technical solution: the supporting block is of a hemispherical structure, an extension column is welded at one end of the supporting block, and the extension column of the supporting block is sleeved with the spring.
As a further description of the above technical solution: two guide strips are fixed on the inner wall surface of the cylinder barrel, and two openings are formed in the surface of the piston sleeve corresponding to the guide strips.
As a further description of the above technical solution: a plurality of mounting holes are formed in the edge of the surface of the sealing ring, and a plurality of thread grooves are formed in the end face of one end of the cylinder barrel corresponding to the mounting holes.
The utility model has the following beneficial effects:
according to the utility model, by arranging the guide strip, the chute, the buffer groove, the metal sheet, the sealing ring, the abutting block, the spring and the notch, when the piston rod reciprocates, the piston sleeve on the piston rod slides with the guide strip welded on the inner wall of the cylinder barrel through the notch, so that one end of the piston rod with the chute is guided to extend into the buffer groove of the cylinder sleeve, as the hemispherical abutting block is sleeved with the spring fixed in the buffer groove through the extension column, and the periphery of the abutting block is annularly provided with the plurality of metal sheets, when the piston rod extends into the buffer groove, the piston rod extrudes the abutting block to force the abutting block to compress the spring, and the metal sheets extend into the chute of the piston rod, so that the metal sheets are pressed to deform, the impact buffering of the piston rod is realized, the hard collision between the piston rod and the cylinder sleeve is avoided, and the service life is prolonged;
according to the utility model, the sealing ring is fixedly connected with one end of the cylinder barrel through the bolt, so that the sealing ring is sleeved with the piston rod, the sealing ring is embedded into the inner ring of the sealing ring, the plurality of convex rings are arranged at equal intervals in the inner ring of the sealing ring, and the plurality of convex rings of the sealing ring are all contacted with the outer wall of the piston rod, so that the sealing ring can block oil in the cylinder barrel in multiple ways, and the oil leakage is avoided.
Drawings
FIG. 1 is a schematic structural view of a floating type buffering hydraulic oil cylinder of the present invention;
FIG. 2 is a schematic diagram of a cylinder sleeve structure of a floating type buffering hydraulic oil cylinder;
FIG. 3 is a schematic diagram of a piston rod structure of a floating type buffering hydraulic oil cylinder.
Illustration of the drawings:
1. a cylinder barrel; 2. a cylinder liner; 3. a piston rod; 4. a seal ring; 5. a first oil pipe; 6. a guide strip; 7. a piston sleeve; 8. a chute; 9. a second oil pipe; 10. a buffer tank; 11. a metal sheet; 12. a seal ring; 13. a convex ring; 14. a resisting block; 15. a spring; 16. and (6) opening.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
According to an embodiment of the present invention, a floating cushioning hydraulic ram is provided.
The utility model will be further explained with reference to the accompanying drawings and specific embodiments, as shown in fig. 1-3, a floating buffer hydraulic cylinder according to an embodiment of the utility model comprises a cylinder barrel 1, a cylinder sleeve 2 and a piston rod 3, wherein one end of the cylinder barrel 1 is connected with the piston rod 3 in an inserting manner, the surface of the piston rod 3 is sleeved with a sealing ring 4, the surface of the sealing ring 4 is fixedly connected with the cylinder barrel 1 through a bolt, the part of the piston rod 3 extending into the cylinder barrel 1 is sleeved with a piston sleeve 7, the surface of the piston sleeve 7 is provided with a notch 16, the inner wall surface of the cylinder barrel 1 is fixed with a guide strip 6, the guide strip 6 is connected with the notch 16 of the piston sleeve 7 in an embedding manner, the other end of the cylinder barrel 1 is fixedly connected with the cylinder sleeve 2, one surface of the cylinder sleeve 2 facing the piston rod 3 is provided with a buffer groove 10, a spring 15 is fixed in the buffer groove 10, one end of the spring 15 is connected with a resisting block 14, the periphery of the resisting block 14 is obliquely provided with a metal sheet 11, and the metal sheet 11 is welded with the inner wall of the buffer groove 10, the side of one end of the piston rod 3 is provided with a chute 8 corresponding to the metal sheet 11, the outer wall surface of the cylinder barrel 1 is provided with a first oil pipe 5, the outer wall surface of the cylinder barrel 2 is provided with a second oil pipe 9, when the piston rod 3 does reciprocating motion, the piston sleeve 7 on the piston rod 3 slides with the guide strip 6 welded with the inner wall of the cylinder barrel 1 through the notch 16, so that one end of the piston rod 3 with the chute 8 is guided to extend into the buffer groove 10 of the cylinder barrel 2, because the semi-spherical abutting block 14 is sleeved with the spring 15 fixed in the buffer groove 10 through the extending column, and the periphery of the abutting block 14 is provided with a plurality of metal sheets 11 in a surrounding manner, when the piston rod 3 extends into the buffer groove 10, the piston rod 3 extrudes the abutting block 14 to force the abutting block 14 to compress the spring 15, and the metal sheets 11 extend into the chute 8 of the piston rod 3, so that the metal sheets 11 are pressed and deformed to realize the buffer of the impact of the piston rod 3, hard collision between the piston rod 3 and the cylinder sleeve 2 is avoided, so that the service life is prolonged;
in one embodiment, an annular groove has been seted up to the inner circle of sealing ring 4, and the annular groove internal fixation has sealing washer 12, the inner circle equidistance of sealing washer 12 is provided with a plurality of bulge loops 13, and a plurality of bulge loops 13 and sealing washer 12 formula structure as an organic whole, with the one end fixed connection of sealing ring 4 and cylinder 1 through the bolt, make sealing ring 4 cup joint with piston rod 3 mutually, because sealing washer 12 is installed in the inner circle embedding at sealing ring 4, and set up a plurality of bulge loops 13 at the inner circle equidistance of sealing washer 12, and a plurality of bulge loops 13 of sealing washer 12 all contact with 3 outer walls of piston rod, make sealing washer 12 can carry out the multichannel to the fluid in the cylinder 1 and block, thereby avoid the condition emergence that fluid was revealed.
In one embodiment, a plurality of inclined grooves 8 are formed in one end of the piston rod 3 in a surrounding mode, a plurality of metal sheets 11 are welded on the inner wall of the buffer groove 10 corresponding to the inclined grooves 8, and the metal sheets 11 extend into the inner side of the inclined grooves 8, so that the metal sheets 11 can buffer impact of the piston rod 3 in a deformation mode.
In one embodiment, the abutting block 14 is a hemispherical structure, an extending column is welded at one end of the abutting block 14, the extending column of the abutting block 14 is sleeved with the spring 15, and the piston rod 3 is convenient to buffer through the abutting block 14 and the spring 15.
In one embodiment, two guide strips 6 are fixed on the inner wall surface of the cylinder barrel 1, two openings 16 are formed in the surface of the piston sleeve 7 corresponding to the guide strips 6, the guide strips 6 are connected with the openings 16 of the piston sleeve 7 in an embedded mode, so that the piston rod 3 is guided conveniently, and the connection of the metal sheet 11 and the chute 8 on the piston rod 3 is facilitated.
In one embodiment, a plurality of mounting holes are formed in the edge of the surface of the sealing ring 4, a plurality of thread grooves are formed in the end face of one end of the cylinder barrel 1 corresponding to the mounting holes, and the bolt convenient to penetrate through the sealing ring 4 and the cylinder barrel 1 to be fixedly connected through the mounting holes and the thread grooves is favorable for mounting the sealing ring 4.
The working principle is as follows:
when the device is used, the device is installed to a proper position, when the piston rod 3 reciprocates, the piston sleeve 7 on the piston rod 3 slides with the guide strip 6 welded on the inner wall of the cylinder barrel 1 through the notch 16, so that one end of the piston rod 3 with the chute 8 is guided to extend into the buffer groove 10 of the cylinder barrel 2, because the hemispherical abutting block 14 is sleeved with the spring 15 fixed in the buffer groove 10 through the extending column, and the periphery of the abutting block 14 is surrounded with a plurality of metal sheets 11, when the piston rod 3 extends into the buffer groove 10, the piston rod 3 extrudes the abutting block 14 to force the abutting block 14 to compress the spring 15, and the metal sheets 11 extend into the chute 8 of the piston rod 3, so that the metal sheets 11 are pressed to deform, the impact buffering of the piston rod 3 is realized, the hard collision between the piston rod 3 and the cylinder barrel 2 is avoided, the service life is prolonged, and meanwhile, the sealing ring 4 is fixedly connected with one end of the cylinder barrel 1 through the bolt, make sealing ring 4 cup joint with piston rod 3 mutually, owing to install sealing washer 12 at the inner circle embedding of sealing ring 4, and set up a plurality of bulge loops 13 at the inner circle equidistance of sealing washer 12, and a plurality of bulge loops 13 of sealing washer 12 all contact with 3 outer walls of piston rod for sealing washer 12 can carry out the multichannel to the fluid in the cylinder 1 and block, thereby avoids the condition emergence that fluid was revealed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a floating buffering hydraulic cylinder, includes cylinder (1), cylinder liner (2) and piston rod (3), its characterized in that: one end of the cylinder barrel (1) is connected with a piston rod (3) in an inserting mode, a sealing ring (4) is sleeved on the surface of the piston rod (3), the surface of the sealing ring (4) is fixedly connected with the cylinder barrel (1) through a bolt, a piston sleeve (7) is sleeved on the part, stretching into the cylinder barrel (1), of the piston rod (3), an opening (16) is formed in the surface of the piston sleeve (7), a guide strip (6) is fixed on the inner wall surface of the cylinder barrel (1), the guide strip (6) is connected with the opening (16) of the piston sleeve (7) in an embedding mode, a cylinder sleeve (2) is fixedly connected to the other end of the cylinder barrel (1), a buffer groove (10) is formed in one surface, facing the piston rod (3), of the cylinder sleeve (2), a spring (15) is fixed in the buffer groove (10), one end of the spring (15) is connected with a supporting block (14), a metal sheet (11) is obliquely arranged on the periphery of the supporting block (14), and sheetmetal (11) and dashpot (10) inner wall weld mutually, the side of piston rod (3) one end corresponds sheetmetal (11) and has seted up chute (8), the cylinder (1) outer wall is provided with first oil pipe (5), cylinder liner (2) outer wall is provided with second oil pipe (9).
2. A floating cushioning hydraulic ram as claimed in claim 1, characterized by: annular groove has been seted up to the inner circle of sealing ring (4), and annular groove internal fixation has sealing washer (12), the inner circle equidistance of sealing washer (12) is provided with a plurality of bulge loops (13), and a plurality of bulge loops (13) and sealing washer (12) formula structure as an organic whole.
3. A floating cushioning hydraulic ram as claimed in claim 1, characterized by: one end of the piston rod (3) is encircled to be provided with a plurality of chutes (8), and a plurality of metal sheets (11) are welded on the inner wall of the buffer groove (10) corresponding to the chutes (8).
4. A floating cushioning hydraulic ram as claimed in claim 1, characterized by: the supporting block (14) is of a hemispherical structure, an extending column is welded at one end of the supporting block (14), and the extending column of the supporting block (14) is sleeved with the spring (15).
5. A floating cushioning hydraulic ram as claimed in claim 1, characterized by: two guide strips (6) are fixed on the inner wall surface of the cylinder barrel (1), and two notches (16) are formed in the surface of the piston sleeve (7) corresponding to the guide strips (6).
6. A floating cushioning hydraulic ram as claimed in claim 1, characterized by: a plurality of mounting holes are formed in the edge of the surface of the sealing ring (4), and a plurality of thread grooves are formed in the end face of one end of the cylinder barrel (1) corresponding to the mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220436315.0U CN216767940U (en) | 2022-03-01 | 2022-03-01 | Floating buffer hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220436315.0U CN216767940U (en) | 2022-03-01 | 2022-03-01 | Floating buffer hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216767940U true CN216767940U (en) | 2022-06-17 |
Family
ID=81957686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220436315.0U Expired - Fee Related CN216767940U (en) | 2022-03-01 | 2022-03-01 | Floating buffer hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216767940U (en) |
-
2022
- 2022-03-01 CN CN202220436315.0U patent/CN216767940U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220617 |