CN209800406U - Wear-resistant hydraulic oil cylinder - Google Patents
Wear-resistant hydraulic oil cylinder Download PDFInfo
- Publication number
- CN209800406U CN209800406U CN201920291940.9U CN201920291940U CN209800406U CN 209800406 U CN209800406 U CN 209800406U CN 201920291940 U CN201920291940 U CN 201920291940U CN 209800406 U CN209800406 U CN 209800406U
- Authority
- CN
- China
- Prior art keywords
- piston
- wear
- sliding sleeve
- cylinder body
- ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 18
- 239000002184 metal Substances 0.000 claims abstract description 18
- 238000005524 ceramic coating Methods 0.000 claims abstract description 15
- 239000011195 cermet Substances 0.000 claims abstract description 5
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 claims description 3
- 229910000423 chromium oxide Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 7
- 239000004576 sand Substances 0.000 abstract description 4
- 230000004313 glare Effects 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000004575 stone Substances 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model relates to a wear-resistant hydraulic oil cylinder, which is provided with a cylinder body, a sliding sleeve, a piston rod and a piston; the piston is characterized in that a Glare ring and a metal ceramic coating are arranged between the sliding sleeve and the piston rod, a wear-resistant ring and a Y-shaped ring are arranged between the piston and the inner wall of the cylinder body, three convex cylinders are uniformly arranged on one side of the piston facing the sliding sleeve, and cylindrical grooves corresponding to the three convex cylinders are formed on one side of the sliding sleeve facing the piston. The utility model discloses sealed effectual, be equipped with wear-resisting circle and cermet coating, the wearing and tearing between effectual reduction piston and cylinder body inner wall, piston rod and the sleeve prolong the life of cylinder body internals. The retractable rubber dustproof sleeve is used for preventing dust particles, sand and stone particles and metal chips from attaching to the piston rod and preventing the dust ring from entering the interior of the cylinder body to abrade the internal parts of the cylinder body when the dustproof ring is damaged or works badly.
Description
Technical Field
The utility model relates to a hydraulic cylinder technical field especially relates to a wear-resisting hydraulic cylinder.
Background
The hydraulic oil cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion. The reciprocating motion device has simple structure and reliable work, can avoid a speed reducer when the reciprocating motion is realized, has no transmission clearance, and moves stably, thereby being widely applied to hydraulic systems of various machines.
After the hydraulic oil cylinder is used for a long time, the connecting part of the sliding sleeve and the piston rod, the connecting part of the piston and the cylinder body and the inner wall of the oil cylinder are abraded, and uneven strip-shaped groove marks are formed. Besides the abrasion of the self part of the hydraulic oil cylinder, the abrasion of the internal part of the hydraulic oil cylinder can also occur due to the entry of dust in the outside air. When these parts are worn, the opening gap and the side gap are increased, which causes a decrease in the elastic force, a decrease in the sealing performance of the hydraulic cylinder, and a decrease in the service life of the hydraulic cylinder.
Disclosure of Invention
The utility model aims at overcoming the defects of the prior art and providing a wear-resistant hydraulic oil cylinder.
Realize the utility model discloses the technical scheme of purpose is: a wear-resistant hydraulic oil cylinder is provided with a cylinder body, a sliding sleeve, a piston rod and a piston; the piston is characterized in that a Glare ring and a metal ceramic coating are arranged between the sliding sleeve and the piston rod, a wear-resistant ring and a Y-shaped ring are arranged between the piston and the inner wall of the cylinder body, three convex cylinders are uniformly arranged on one side of the piston facing the sliding sleeve, and cylindrical grooves corresponding to the three convex cylinders are formed on one side of the sliding sleeve facing the piston.
According to the technical scheme, the right end of the piston rod is connected with the earring.
According to the technical scheme, a retractable rubber dustproof sleeve is connected between the left side of the earring and the right side of the sliding sleeve.
According to the technical scheme, the number of the Y-shaped rings is two, and the Y-shaped rings are uniformly arranged on two sides of the wear-resistant ring.
The diameter of the convex cylinder is 1/8 of the diameter of the piston.
The metal ceramic coating in the technical scheme is a chromium oxide metal ceramic coating.
The thickness of the metal ceramic coating in the technical scheme is 0.15-0.25 mm.
According to the technical scheme, the wear-resistant ring is made of polytetrafluoroethylene.
After the technical scheme is adopted, the utility model discloses following positive effect has:
The utility model discloses sealed effectual, be equipped with wear-resisting circle and cermet coating, the wearing and tearing between effectual reduction piston and cylinder body inner wall, piston rod and the sleeve prolong the life of cylinder body internals. The retractable rubber dustproof sleeve is used for preventing dust particles, sand and stone particles and metal chips from attaching to the piston rod and preventing the dust ring from entering the interior of the cylinder body to abrade the internal parts of the cylinder body when the dustproof ring is damaged or works badly.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic structural view of the present invention;
Fig. 2 is a left side view structure diagram of the sliding sleeve of the present invention.
In the figure: 1-cylinder body, 2-sliding sleeve, 3-piston rod, 4-piston, 21-Glare ring, 22-metal ceramic coating, 41-wear ring, 42-Y ring, 5-convex cylinder, 6-cylinder groove, 7-earring and 8-contraction rubber dustproof sleeve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, the present invention comprises a cylinder body 1, a sliding sleeve 2, a piston rod 3 and a piston 4; a Glare ring 21 and a metal ceramic coating 22 are arranged between the sliding sleeve 2 and the piston rod 3, a wear-resistant ring 41 and a Y-shaped ring 42 are arranged between the piston 4 and the inner wall of the cylinder body 1, three convex cylinders 5 are uniformly arranged on one side of the piston 4 facing the sliding sleeve 2, and cylindrical grooves 6 corresponding to the three convex cylinders 5 are arranged on one side of the sliding sleeve 2 facing the piston 4.
This embodiment is this utility model's core technical scheme, has cylinder body 1, sliding sleeve 2, piston rod 3 and piston 4, cylinder body 1 and sliding sleeve 2 adopt No. 35 steel to make, piston rod 3 and piston 4 use No. 45 steel through thermal treatment to make, and the quenching and tempering scope is: 22-26. The GREEN ring 21 and the metal ceramic coating 22 are arranged between the sliding sleeve 2 and the piston rod 3, the GREEN ring 21 is formed by combining a rubber O-shaped ring and a polytetrafluoroethylene ring, and the rubber O-shaped ring is low in friction force, free of creeping, small in starting force and resistant to high pressure. The metal ceramic coating 22 plays a role in abrasion resistance and corrosion resistance, and can effectively prevent the friction abrasion between the piston rod 3 and the sliding sleeve 2, and the metal ceramic coating 22 can be selected from alumina, zirconia, chromia and composite ceramic coatings. And a wear-resistant ring 41 and a Y-shaped ring 42 are arranged between the piston 4 and the inner wall of the cylinder body 1, the Y-shaped ring 42 ensures the sealing property of the piston, the wear-resistant ring 41 ensures the durability and stability of the piston 4, and the phenomenon that the piston 4 abrades the inner wall of the cylinder body 1 cannot occur. The piston 4 towards one side of sliding sleeve 2 evenly is equipped with three protruding cylinder 5, sliding sleeve 2 towards one side of piston 4 is equipped with the corresponding cylinder groove 6 of three protruding cylinder 5. The diameter of the convex cylinder 5 is the same as that of the cylindrical groove 6, and the length of the cylindrical groove 6 is longer than that of the convex cylinder 5.
The right end of the piston rod 3 is connected with an ear ring 7, and the ear ring 7 can be replaced according to different applications.
The left side of earrings 7 with be connected with shrink rubber dirt proof boot 8 between the right side of sliding sleeve 2, when piston rod 3 was done the shrink acting through sliding sleeve 2, piston rod 3 was exposed in the air, and dust particle and slightly bigger gravel and sand granule or even metal fillings all can be attached to on piston rod 3, though hydraulic cylinder can predetermine the dust ring and prevent dust, but use the change cycle short. The contracting rubber boot 8 prevents dust particles, sand particles and metal shavings from adhering to the piston rod 3.
The two Y-shaped rings 42 are uniformly arranged on two sides of the wear-resistant ring 41, so that the sealing performance of the piston 4 is fully ensured.
The diameter of the convex cylinder 5 is 1/8 of the diameter of the piston 4.
The metal ceramic coating 22 is a chromium oxide metal ceramic coating which has high strength and can greatly reduce the abrasion between the piston rod 3 and the sliding sleeve.
The thickness of the metal ceramic coating 22 is 0.15-0.25mm, so that the cost is reduced as far as possible while the wear-resistant effect is ensured.
The wear-resistant ring 41 is made of polytetrafluoroethylene, and the polytetrafluoroethylene has acid-base resistance and organic solvent resistance, high temperature resistance and low friction coefficient.
the above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. A wear-resistant hydraulic oil cylinder is provided with a cylinder body (1), a sliding sleeve (2), a piston rod (3) and a piston (4); the method is characterized in that: be equipped with between sliding sleeve (2) and piston rod (3) gley circle (21) and cermet coating (22), piston (4) with be equipped with between the inner wall of cylinder body (1) wear-resisting circle (41) and Y shape circle (42), piston (4) towards one side of sliding sleeve (2) evenly is equipped with three protruding cylinder (5), sliding sleeve (2) towards one side of piston (4) be equipped with the corresponding cylinder groove (6) of three protruding cylinder (5).
2. A wear resistant hydraulic ram according to claim 1 wherein: the right end of the piston rod (3) is connected with an earring (7).
3. A wear resistant hydraulic ram according to claim 2 wherein: a retractable rubber dustproof sleeve (8) is connected between the left side of the earring (7) and the right side of the sliding sleeve (2).
4. A wear resistant hydraulic ram according to claim 1 wherein: the two Y-shaped rings (42) are uniformly arranged on two sides of the wear-resistant ring (41).
5. A wear resistant hydraulic ram according to claim 1 wherein: the diameter of the convex cylinder (5) is 1/8 of the diameter of the piston (4).
6. A wear resistant hydraulic ram according to claim 1 wherein: the cermet coating (22) is a chromium oxide cermet coating.
7. A wear resistant hydraulic ram according to claim 6 wherein: the thickness of the metal ceramic coating (22) is 0.15-0.25 mm.
8. A wear resistant hydraulic ram according to claim 1 wherein: the wear-resistant ring (41) is made of polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920291940.9U CN209800406U (en) | 2019-03-07 | 2019-03-07 | Wear-resistant hydraulic oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920291940.9U CN209800406U (en) | 2019-03-07 | 2019-03-07 | Wear-resistant hydraulic oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800406U true CN209800406U (en) | 2019-12-17 |
Family
ID=68824068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920291940.9U Expired - Fee Related CN209800406U (en) | 2019-03-07 | 2019-03-07 | Wear-resistant hydraulic oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209800406U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658483A (en) * | 2020-07-08 | 2020-09-15 | 金华朗立杰机电科技有限公司 | A low-noise transmission mechanism and a fascia gun with the same |
| CN116856984A (en) * | 2022-02-23 | 2023-10-10 | 杨柯 | An extendable hydraulic support |
-
2019
- 2019-03-07 CN CN201920291940.9U patent/CN209800406U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658483A (en) * | 2020-07-08 | 2020-09-15 | 金华朗立杰机电科技有限公司 | A low-noise transmission mechanism and a fascia gun with the same |
| CN116856984A (en) * | 2022-02-23 | 2023-10-10 | 杨柯 | An extendable hydraulic support |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209800406U (en) | Wear-resistant hydraulic oil cylinder | |
| EP3163129A1 (en) | Piston ring | |
| JPS5846242Y2 (en) | linear actuator | |
| CN208442105U (en) | Magnetic no-rod cylinder cylinder structure | |
| CN203035752U (en) | Joint bearing | |
| CN201407166Y (en) | Piston connecting rod assembly of internal combustion engine type novel air compressor | |
| CN209901387U (en) | Novel wear-resisting compression roller | |
| JPS63115969A (en) | Gate valve made of ceramics | |
| CN211082438U (en) | Hydraulic oil cylinder | |
| CN216240973U (en) | Cylinder jacket and engine | |
| CN101725714A (en) | High elasticity and high strength dust ring | |
| CN208749717U (en) | A kind of double acting ceramic bar hydraulic cylinder | |
| CN215566990U (en) | Long-life hydraulic oil cylinder | |
| CN213088752U (en) | Hydraulic cylinder sealing device | |
| CN2839749Y (en) | High pressure resistant anti-releasing ceramic plunger | |
| CN222046405U (en) | A composite sliding bearing for quarrying box | |
| CN208380711U (en) | A kind of high-performance cast iron oil ring | |
| CN2371369Y (en) | Piston for plunger pump | |
| CN207131862U (en) | A kind of hydraulic cylinder sealing ring | |
| CN209704711U (en) | A kind of piston ring being easily installed | |
| CN202163859U (en) | Resin bearing for roller | |
| CN215046345U (en) | High-strength wear-resistant dust-proof ceramic carrier roller | |
| CN210660836U (en) | One-way piston sealing ring for large-diameter or heavy-load oil cylinder | |
| CN219888391U (en) | Hydraulic cylinder body with high sealing structure | |
| CN203730745U (en) | Copper support ring for hydraulic cylinder piston sealing |
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: 20191217 Termination date: 20210307 |