CN108679039A - A kind of water proofing property hydraulic cylinder sealing device - Google Patents
A kind of water proofing property hydraulic cylinder sealing device Download PDFInfo
- Publication number
- CN108679039A CN108679039A CN201810804924.5A CN201810804924A CN108679039A CN 108679039 A CN108679039 A CN 108679039A CN 201810804924 A CN201810804924 A CN 201810804924A CN 108679039 A CN108679039 A CN 108679039A
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- CN
- China
- Prior art keywords
- piston rod
- stomata
- hydraulic cylinder
- proofing property
- sealing device
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
- F15B15/1461—Piston rod sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1428—Cylinders
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of water proofing property hydraulic cylinder sealing devices, including piston rod, the outer surface of piston rod is equipped with protective jacket, and it is equipped with muff close to the side of the outer surface protective jacket of piston rod, the inside inner surface of muff is equipped with heat keeper, and a side external surface of heat keeper is equipped with stomata pad, the inner surface of muff is equipped with cylinder barrel, and the inside inner surface of cylinder barrel is equipped with dustband, one side external surface of dustband is equipped with piston rod primary seal circle, and a side external surface of piston rod primary seal circle is equipped with buffering ring, a side external surface of buffering ring agrees with component equipped with cylinder cap.A kind of water proofing property hydraulic cylinder sealing device of the present invention, equipped with protective jacket, muff and oil return pipe, it can be matched with internal seal member, play the function of dual waterproof, certain heat insulation effect can be played simultaneously, and extra hydraulic oil can be recycled, better prospect of the application is brought.
Description
Technical field
The present invention relates to hydraulic cylinder sealing field, more particularly to a kind of water proofing property hydraulic cylinder sealing device.
Background technology
Hydraulic cylinder is the hydraulic actuator that hydraulic energy is changed into mechanical energy, does straight reciprocating motion.The letter of its structure
Single, reliable operation when realizing reciprocating motion, can remove deceleration device from it, and not have drive gap, stable movement, because
This is used widely in the hydraulic system of various machineries, and hydraulic cylinder sealing is mounted on hydraulic pump and hydraulic motor axis,
It prevents working media from being leaked into except shell along axis and reversely invades internal body, the quality of sealing and sealing device with external dust
It is the key that directly influence hydraulic system one of to work normally, the quality of sealing element has restrict liquid to a certain extent
Press the raising of element and hydraulic system Performance And Reliability energy；There is certain disadvantage when in use in existing hydraulic cylinder sealing device
End can not match the function of playing dual waterproof with internal seal member, while can not play certain heat preservation effect
Fruit, and extra hydraulic oil can not be recycled, certain influence is brought in actual use, for this purpose, it is proposed that
A kind of water proofing property hydraulic cylinder sealing device.
Invention content
The main purpose of the present invention is to provide a kind of water proofing property hydraulic cylinder sealing devices, can effectively solve background technology
The problems in.
To achieve the above object, the technical solution that the present invention takes is：
The outer surface of a kind of water proofing property hydraulic cylinder sealing device, including piston rod, the piston rod is equipped with protective jacket, and leans on
The side of the outer surface protective jacket of nearly piston rod is equipped with muff, and the inside inner surface of the muff is equipped with heat keeper, and protects
One side external surface of temperature pad is equipped with stomata pad, and the inner surface of the muff is equipped with cylinder barrel, and the inside inner surface of cylinder barrel is equipped with
One side external surface of dustband, the dustband is equipped with piston rod primary seal circle, and a side external surface of piston rod primary seal circle
Equipped with buffering ring, a side external surface of the buffering ring agrees with component, a side external surface of the close buffering ring equipped with cylinder cap
The side that cylinder cap agrees with component is equipped with antifouling ring, and a side external surface of antifouling ring is equipped with wearing ring, the side of the wearing ring
Outer surface is equipped with cushion collar, and one end outer surface of the piston rod is equipped with nut set, and one end outer surface of nut set is equipped with back
Oil pipe.
Preferably, the quantity of the heat keeper and stomata pad is two groups, and heat keeper with stomata pad is respectively parallel puts
It sets.
Preferably, one end outer surface of the piston rod is fixedly connected with the outer surface that nut covers, and the appearance of piston rod
Face is coated with water delivery oil transportation layer.
Preferably, the buffering ring is a kind of component of circular configuration, and a diameter of five lis of buffering ring.
Preferably, the oil return pipe is a kind of component of stainless steel, and the outer surface of oil return pipe is coated with antioxygen chemoprevention
Corrode nanometer layer.
Preferably, the quantity of the buffering ring is three groups, and buffering ring is placed in parallel respectively.
Preferably, the lower end outer surface of the heat keeper is fixedly connected with the upper end outer surface of stomata pad, and stomata pad
It is internally provided with stomata, the quantity of stomata is several groups, and stomata is placed in parallel respectively.
Compared with prior art, the present invention has the advantages that：
In the present invention, piston rod is installed, protective jacket is installed on piston rod, protective jacket is a kind of collapsible rubber sleeve,
It can be matched with the dustband in cylinder barrel, play the function of dual waterproof, and Anti-slip cover has certain extensibility, it can
Extend the service life of protective jacket, muff is installed on cylinder barrel, has heat keeper and stomata pad in muff, device can be reduced
The heat exchange of temperature and ambient temperature, plays the role of heat preservation, and when temperature is relatively low, reducing low temperature causes sealing material hard
Change, shrink the problem of causing leakage, oil return pipe is installed in cylinder barrel, extra a part of hydraulic oil can be preserved, reduces oil leak
The problem of, bring better prospect of the application.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of water proofing property hydraulic cylinder sealing device of the present invention；
Fig. 2 is a kind of muff explosion views of water proofing property hydraulic cylinder sealing device of the present invention；
Fig. 3 is a kind of cylinder barrel explosion views of water proofing property hydraulic cylinder sealing device of the present invention.
In figure：1, piston rod；2, protective jacket；3, muff；4, heat keeper；5, stomata pad；6, cylinder barrel；7, dustband；8、
Piston rod primary seal circle；9, buffering ring；10, cylinder cap agrees with component；11, antifouling ring；12, wearing ring；13, cushion collar；14, nut
Set；15, oil return pipe.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
As shown in Figs. 1-3, a kind of water proofing property hydraulic cylinder sealing device, including piston rod 1, the outer surface of piston rod 1 are equipped with
Protective jacket 2, and it is equipped with muff 3 close to the side of the outer surface protective jacket 2 of piston rod 1, the inside inner surface of muff 3 is equipped with
Heat keeper 4, and a side external surface of heat keeper 4 is equipped with stomata pad 5, the inner surface of muff 3 is equipped with cylinder barrel 6, and cylinder barrel 6 is interior
Portion's inner surface is equipped with dustband 7, and a side external surface of dustband 7 is equipped with piston rod primary seal circle 8, and piston rod primary seal circle 8
A side external surface be equipped with buffering ring 9, a side external surface of buffering ring 9 agrees with component 10 equipped with cylinder cap, the one of close buffering ring 9
The side that side external surface cylinder cap agrees with component 10 is equipped with antifouling ring 11, and a side external surface of antifouling ring 11 is equipped with wearing ring 12,
One side external surface of wearing ring 12 is equipped with cushion collar 13, and one end outer surface of piston rod 1 is equipped with nut and covers 14, and nut covers 14
One end outer surface is equipped with oil return pipe 15；The lower end outer surface of heat keeper 4 is fixedly connected with the upper end outer surface of stomata pad 5, and gas
Hole pad 5 is internally provided with stomata, and the quantity of stomata is several groups, and stomata is placed in parallel respectively；
Heat keeper 4 and the quantity of stomata pad 5 are two groups, and heat keeper 4 is respectively placed in parallel with stomata pad 5；Piston
One end outer surface of bar 1 is fixedly connected with the outer surface of nut set 14, and the outer surface of piston rod 1 is coated with water delivery oil transportation layer；It is slow
Ring 9 is rushed as a kind of component of circular configuration, and a diameter of five lis of buffering ring 9；Oil return pipe 15 is a kind of structure of stainless steel
Part, and the outer surface of oil return pipe 15 is coated with oxidation-resistant corrosion-resistant nanometer layer；The quantity of buffering ring 9 is three groups, and buffering ring 9 is distinguished
It is placed in parallel.
It should be noted that the present invention is a kind of water proofing property hydraulic cylinder sealing device is equipped with piston rod 1 when in use,
Protective jacket 2 is installed, protective jacket 2 is a kind of collapsible rubber sleeve, can be matched with the dustband 7 in cylinder barrel 6 on piston rod 1
It closes, plays the function of dual waterproof, and protective jacket 2 has certain extensibility, can extend the service life of protective jacket 2,
Dustband 7 is installed in cylinder barrel 6, is mounted on piston rod 1, main function is the gap between sealing piston bar 1 and cylinder barrel 6,
Leakage in hydraulic oil is prevented, piston rod primary seal circle 8 is the primary seal in hydraulic cylinder, is that hydraulic cylinder can bear the most main of pressure value
One of sealing element is wanted, has sealing effect good, there is under stationary state that pressure holding effect is good, bearing capacity is strong in motion process, resists and squeezes
Go out, friction coefficient is small, feature with long service life, and muff 3 is equipped on cylinder barrel 6, there is heat keeper 4 and stomata in muff 3
Pad 5 can reduce the heat exchange of unit temp and ambient temperature, play the role of heat preservation, when temperature is relatively low, reduce low temperature
Lead to sealing material curing, shrink the problem of causing leakage, oil return pipe 15 is installed in cylinder barrel 6, extra one can be preserved
The problem of liquid separation pressure oil, reduction oil leak, to prevent fluid to hydraulic cylinder external leakage and being leaked from high pressure chest to low pressure chamber, in cylinder
It is both provided with dustband 7 and piston rod primary seal circle 8 between cylinder 6 and piston rod 1, to prevent piston rod 1 from quickly returning to stroke
Cylinder cap is hit when terminal, cushion collar 13 is additionally provided in cylinder barrel 6, to play the role of cushioning effect power, it is more practical.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of water proofing property hydraulic cylinder sealing device, including piston rod (1), it is characterised in that：The outer surface of the piston rod (1)
It is equipped with muff (3), the muff equipped with protective jacket (2), and close to the side of the outer surface protective jacket (2) of piston rod (1)
(3) inside inner surface is equipped with heat keeper (4), and a side external surface of heat keeper (4) is equipped with stomata pad (5), the muff
(3) inner surface is equipped with cylinder barrel (6), and the inside inner surface of cylinder barrel (6) is equipped with dustband (7)；
One side external surface of the dustband (7) is equipped with piston rod primary seal circle (8), and the side of piston rod primary seal circle (8)
Outer surface is equipped with buffering ring (9), and a side external surface of the buffering ring (9) agrees with component (10) equipped with cylinder cap, described close to slow
The side external surface cylinder cap for rushing ring (9) agrees with the side of component (10) and is equipped with antifouling ring (11), and outside the side of antifouling ring (11)
Surface is equipped with wearing ring (12), and a side external surface of the wearing ring (12) is equipped with cushion collar (13), and the one of the piston rod (1)
Outer surface is held to be equipped with nut set (14), and one end outer surface of nut set (14) is equipped with oil return pipe (15).
2. a kind of water proofing property hydraulic cylinder sealing device according to claim 1, it is characterised in that：The heat keeper (4) with
The quantity of stomata pad (5) is two groups, and heat keeper (4) is respectively placed in parallel with stomata pad (5).
3. a kind of water proofing property hydraulic cylinder sealing device according to claim 1, it is characterised in that：The piston rod (1)
One end outer surface is fixedly connected with the outer surface of nut set (14), and the outer surface of piston rod (1) is coated with water delivery oil transportation layer.
4. a kind of water proofing property hydraulic cylinder sealing device according to claim 1, it is characterised in that：The buffering ring (9) is
A kind of component of circular configuration, and a diameter of five centimetres of buffering ring (9).
5. a kind of water proofing property hydraulic cylinder sealing device according to claim 1, it is characterised in that：The oil return pipe (15) is
A kind of component of stainless steel, and the outer surface of oil return pipe (15) is coated with oxidation-resistant corrosion-resistant nanometer layer.
6. a kind of water proofing property hydraulic cylinder sealing device according to claim 1, it is characterised in that：The buffering ring (9)
Quantity is three groups, and buffering ring (9) is placed in parallel respectively.
7. a kind of water proofing property hydraulic cylinder sealing device according to claim 1, it is characterised in that：The heat keeper (4)
Lower end outer surface is fixedly connected with the upper end outer surface of stomata pad (5), and stomata pad (5) is internally provided with stomata, the number of stomata
Amount is several groups, and stomata is placed in parallel respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810804924.5A CN108679039A (en) | 2018-07-20 | 2018-07-20 | A kind of water proofing property hydraulic cylinder sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810804924.5A CN108679039A (en) | 2018-07-20 | 2018-07-20 | A kind of water proofing property hydraulic cylinder sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108679039A true CN108679039A (en) | 2018-10-19 |
Family
ID=63814709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810804924.5A Pending CN108679039A (en) | 2018-07-20 | 2018-07-20 | A kind of water proofing property hydraulic cylinder sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108679039A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197001A (en) * | 2020-08-25 | 2021-01-08 | 中国空气动力研究与发展中心低速空气动力研究所 | Protection method of electric cylinder in low-temperature, low-pressure and high-humidity environment |
| CN113944678A (en) * | 2021-10-28 | 2022-01-18 | 杭州华鼎新能源有限公司 | Double-rod linkage type hydraulic drive control system |
| CN113944678B (en) * | 2021-10-28 | 2024-05-31 | 杭州华鼎新能源有限公司 | Double-rod linkage type hydraulic driving control system |
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| CN206816596U (en) * | 2017-06-22 | 2017-12-29 | 温能灿 | A kind of New sealing type excavates Oil cylinder |
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2018
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Patent Citations (5)
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| CN105508169A (en) * | 2016-01-19 | 2016-04-20 | 成都远东高科科技有限公司 | Improved hydraulic manual pump |
| CN105545624A (en) * | 2016-01-19 | 2016-05-04 | 成都远东高科科技有限公司 | Conveniently-dismounted hydraulic manual pump body |
| CN105673376A (en) * | 2016-01-19 | 2016-06-15 | 成都远东高科科技有限公司 | Anti-wear hydraulic manual pump |
| CN205937287U (en) * | 2016-08-04 | 2017-02-08 | 陕西赫力机械工程有限责任公司 | Safety arrangement torque axis of using among coal mining equipment |
| CN206816596U (en) * | 2017-06-22 | 2017-12-29 | 温能灿 | A kind of New sealing type excavates Oil cylinder |
Non-Patent Citations (1)
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| 陈启松: "《液压传动与控制手册》", 31 December 2006, 上海科学技术出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197001A (en) * | 2020-08-25 | 2021-01-08 | 中国空气动力研究与发展中心低速空气动力研究所 | Protection method of electric cylinder in low-temperature, low-pressure and high-humidity environment |
| CN113944678A (en) * | 2021-10-28 | 2022-01-18 | 杭州华鼎新能源有限公司 | Double-rod linkage type hydraulic drive control system |
| CN113944678B (en) * | 2021-10-28 | 2024-05-31 | 杭州华鼎新能源有限公司 | Double-rod linkage type hydraulic driving control system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181019 |