CN109296587A - A kind of improved hydraulic cylinder - Google Patents
A kind of improved hydraulic cylinder Download PDFInfo
- Publication number
- CN109296587A CN109296587A CN201811423841.8A CN201811423841A CN109296587A CN 109296587 A CN109296587 A CN 109296587A CN 201811423841 A CN201811423841 A CN 201811423841A CN 109296587 A CN109296587 A CN 109296587A
- Authority
- CN
- China
- Prior art keywords
- casing
- piston rod
- cylinder
- ring set
- hollow 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.)
- Granted
Links
- 229920001971 elastomer Polymers 0.000 claims abstract description 21
- 239000005060 rubber Substances 0.000 claims abstract description 21
- 239000003208 petroleum Substances 0.000 claims abstract description 15
- 238000004080 punching Methods 0.000 claims 1
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000010687 lubricating oil Substances 0.000 description 10
- 239000000428 dust Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 4
- 238000000151 deposition Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
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
-
- 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
-
- 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
- F15B15/1471—Guiding means other than in the end cap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of improved hydraulic cylinders, including cylinder barrel, cylinder cap, cylinder bottom, piston rod and third casing, third outside of sleeve is equipped with screw thread, thread bush is equipped with sheath on third casing, the inside of sheath is fixedly connected with second casing by the first support of several annular arrangements, hollow ring set is fixedly connected on the inside of second casing, the ball of several annular arrangements is connected on the inside of hollow ring set, piston rod is located at the inside of hollow ring set, the cylinder of ball and piston rod contacts with each other, oil pocket is also connected in first support, first support is internally connected with petroleum pipeline, petroleum pipeline interpenetrates with oil pocket, petroleum pipeline interpenetrates with hollow ring set, gap is provided between second casing and piston rod, the first cushion rubber is also respectively connected at the top and bottom of second casing, first cushion rubber is contacted with each other with piston rod.The present invention can improve the deficiencies in the prior art, can preferably guarantee the flexible normal of cylinder.
Description
Technical field
The present invention relates to a kind of mechanical device, especially a kind of improved hydraulic cylinder.
Background technique
Hydraulic cylinder is that hydraulic energy is changed into mechanical energy, the hydraulic of straight reciprocating motion (or pendulum motion) is done and executes member
Part.Its structure is simple, reliable operation.Deceleration device when realizing reciprocating motion, can be removed from it, and do not have drive gap,
Movement is steady, therefore is used widely in the hydraulic system of various machinery.Chinese utility model patent CN 206682077
U discloses a kind of hydraulic cylinder.The hydraulic cylinder of this structure includes cylinder barrel, cylinder bottom, piston rod, can reach to a certain extent preferable
Buffering effect, but this hydraulic cylinder piston rod be easy dust stratification be easy to cause the sealing ring in cylinder barrel to damage when used for a long time
It is bad, to limit its scope of application.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of improved hydraulic cylinders, are able to solve the deficiencies in the prior art,
It can preferably guarantee the flexible normal of cylinder.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of improved hydraulic cylinder, including cylinder barrel are connected with cylinder cap at the top of cylinder barrel, are connected with cylinder bottom at the top of cylinder barrel,
It is also inserted with piston rod on the cylinder barrel, third casing is connected at the top of cylinder cap, third outside of sleeve is equipped with screw thread, third set
Thread bush is equipped with sheath on pipe, and the inside of sheath is fixedly connected with one second set by the first support of several annular arrangements
It manages, is fixedly connected with hollow ring set on the inside of the second casing, the ball of several annular arrangements is connected on the inside of hollow ring set,
Piston rod is located at the inside of hollow ring set, and the cylinder of ball and piston rod contacts with each other, and oil pocket is also connected in first support, and
One bracket is internally connected with petroleum pipeline, and petroleum pipeline interpenetrates with oil pocket, and petroleum pipeline interpenetrates with hollow ring set, and second set
Be provided with gap between pipe and piston rod, be also respectively connected the first cushion rubber at the top and bottom of the second casing, the first cushion rubber with
Piston rod contacts with each other.
Preferably, being also connected with annular element above the piston rod.
Preferably, the outside of the third casing is also threaded with nut.
Preferably, being also connected with the second cushion rubber on the inside of the third casing, the top surface of the second cushion rubber offers annular
Groove.
Preferably, being also connected with cushion at the top of the sheath.
Brought beneficial effect is by adopting the above technical scheme: it is hydraulic to belong to single-piston rod to hydraulic cylinder of the invention
Cylinder, the third casing in cylinder crown portion, for being threadedly coupled sheath, sheath can be moved on third casing to adjust up and down screw thread
Position, the position so as to be moved to lower side to piston rod are defined, the second casing on the inside of sheath, for connecting sky
Thimble covers and two the first cushion rubbers, and the oil pocket connected in first support conveys lubricating oil into hollow ring set by petroleum pipeline, when
When piston rod moves up and down, ball on the inside of hollow ring set can generate with the cylinder of piston rod and contact and rotate, so as to
Lubricating oil inside hollow ring set is brought on piston rod, piston rod is effectively lubricated, two the first cushion rubbers can
Certain dustproof effect is played, certain to piston rod progress can also sweep, prevent from depositing more lubricating oil on piston rod
Dust etc. is adsorbed, the gap between the second casing and piston rod can accommodate certain extra lubricating oil, prevent lubricating oil from overflowing
Pollution, so as to by the sufficient lubrication to piston rod, preferably guarantee the flexible normal of cylinder.Ring above piston rod
Shape part can facilitate piston rod to connect external component, and the nut of third outside of sleeve can lock sheath, third set
The second cushion rubber on the inside of pipe, can prevent dust or other impurities from entering in cylinder barrel, further protection hydraulic cylinder, and annular is recessed
Slot can accommodate certain dust impurity, the cushion of sheath tip, thus when piston rod runs to bottommost, with piston rod
The component contact of upper connection plays certain buffer function.
Detailed description of the invention
Fig. 1 is the structure chart of a specific embodiment of the invention.
Fig. 2 is the sectional structure chart in a specific embodiment of the invention inside sheath.
Fig. 3 is the overlooking structure figure of sheath in a specific embodiment of the invention.
Fig. 4 is the amplification assumption diagram of the position Fig. 2 a in a specific embodiment of the invention.
In figure: 1, cylinder bottom；2, cylinder barrel；3, cylinder cap；4, piston rod；5, annular element；6, third casing；7, nut；8, sheath；
9, motor；10, first support；11, gear；12, teeth portion；13, first sleeve；14, bearing；15, the second casing；16, petroleum pipeline；
17, the first cushion rubber；18, hollow ring set；19, ball；20, the first hairbrush；21, the second hairbrush；22, oil pocket；23, the second cushion rubber；
24, annular groove；25, cushion；26, gap.
Specific embodiment
The standardized element used in the present invention can commercially, and shaped piece is according to specification and attached drawing
Record can carry out customized, and the specific connection type of each part is all made of in the prior art mature bolt, rivet, weldering
The conventional means such as connect, paste, this will not be detailed here.
Referring to Fig.1-4, a specific embodiment of the invention includes cylinder barrel 2, and the top of cylinder barrel 2 is connected with cylinder cap 3, cylinder barrel
2 top is connected with cylinder bottom 1, and piston rod 4 is also inserted on the cylinder barrel 2, and the top of cylinder cap 3 is connected with third casing 6, third
Screw thread is equipped on the outside of casing 6, thread bush is equipped with sheath 8 on third casing 6, and the inside of sheath 8 passes through several annular arrangements
First support 10 is fixedly connected with second casing 15, and the inside of the second casing 15 is fixedly connected with hollow ring set 18, hollow
The inside of ring set 18 is connected with the ball 19 of several annular arrangements, and piston rod 4 is located at the inside of hollow ring set 18, ball 19 with
The cylinder of piston rod 4 contacts with each other, and oil pocket 22 is also connected in first support 10, and first support 10 is internally connected with petroleum pipeline
16, petroleum pipeline 16 interpenetrates with oil pocket 22, and petroleum pipeline 16 interpenetrates with hollow ring set 18, the second casing 15 and piston rod 4
Between be provided with gap 26, the top and bottom of the second casing 15 are also respectively connected the first cushion rubber 17, the first cushion rubber 17 with it is living
Stopper rod 4 contacts with each other.Hydraulic cylinder of the invention, belongs to 4 hydraulic cylinder of single-piston rod, and the third casing 6 at 3 top of cylinder cap is used for spiral shell
Line connects sheath 8, and sheath 8 can screw thread movement be on third casing 6 to adjust upper and lower position, so as to move to piston rod 4
It moves to the position of lower side and is defined, the second casing 15 of 8 inside of sheath, for connecting hollow ring set 18 and two the first glue
17 are enclosed, the oil pocket 22 connected in first support 10 conveys lubricating oil into hollow ring set 18 by petroleum pipeline 16, when piston rod 4
When moving up and down, the ball 19 of hollow 18 inside of ring set can generate with the cylinder of piston rod 4 and contact and rotate, so as to
Lubricating oil inside hollow ring set 18 is brought on piston rod 4, piston rod 4 is effectively lubricated, two the first cushion rubbers
17, certain dustproof effect can be played, piston rod 4 can also be carried out it is certain sweep, prevent from depositing on piston rod 4 more
Lubricating oil absorption dust etc., the gap 26 between the second casing and piston rod 4 can accommodate certain extra lubricating oil, prevent
The only pollution that lubricating oil overflows, the top of the piston rod 4 is also connected with annular element 5.The annular element 5 of 4 top of piston rod, can
Piston rod 4 is facilitated to connect external component, the outside of the third casing 6 is also threaded with nut 7.6 outside of third casing
Nut 7 can lock sheath 8, and the inside of the third casing 6 is also connected with the second cushion rubber 23, the second cushion rubber 23
Top surface offers annular groove 24.Second cushion rubber 23 of 6 inside of third casing, can prevent dust or other impurities from entering cylinder
In cylinder 2, further protection hydraulic cylinder, annular groove 24 can accommodate certain dust impurity, and the top of the sheath 8 also connects
It is connected to cushion 25.The cushion 25 at the top of sheath 8 and is connected on piston rod 4 thus when piston rod 4 runs to bottommost
Component contact, play certain buffer function.
In addition, flexible normal in order to further ensure piston rod 4, the top of second casing 15 is also arranged with bearing
14, the outer sheath of bearing 14 is equipped with first sleeve 13, and the outside of first sleeve 13 is connected with teeth portion 12, the inside of first sleeve 13
It is connected with the first hairbrush 20, the inside of the first hairbrush 20 and the cylinder of piston rod 4 contact with each other, and the top of first sleeve 13 also connects
It is connected to the second hairbrush 21, the bristle part of the second hairbrush 21 and the cylinder of piston rod 4 contact with each other, wherein any one first
It is connected with motor 9 on frame 10, gear 11 is connected on motor 9, gear 11 intermeshes with teeth portion, by above-mentioned apparatus, in gas
When cylinder moves up and down, the rotation of motor 9 passes through the meshing relation of gear 11 and teeth portion 12, drives first sleeve 13 with the second casing 15
Centered on rotate, with the rotation of first sleeve 13, the first hairbrush 20 and the second hairbrush 21 thereon can brush piston rod 4
It sweeps, can effectively clear up piston rod and dust is further isolated, guarantee that the operation of piston rod 4 is unobstructed.
Wherein, the devices such as cylinder bottom, cylinder barrel and piston rod used in the present invention are in the patent document that background technique is quoted
Sufficient disclosure has been carried out, belongs to the mature prior art, this will not be detailed here its specific structure.
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of the description present invention, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
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 (5)
1. a kind of improved hydraulic cylinder, including cylinder barrel (2), it is connected with cylinder cap (3) at the top of cylinder barrel (2), cylinder barrel connects at the top of (2)
It is connected to cylinder bottom (1), it is characterised in that: be also inserted with piston rod (4) on the cylinder barrel (2), cylinder cap is connected with third at the top of (3)
Casing (6), third casing (6) outside are equipped with screw thread, and thread bush is equipped with sheath (8) on third casing (6), the inside of sheath (8)
Second casing (15), the inside of the second casing (15) are fixedly connected with by the first support (10) of several annular arrangements
It is fixedly connected with hollow ring set (18), the ball (19) of several annular arrangements, piston is connected on the inside of hollow ring set (18)
Bar (4) is located at the inside of hollow ring set (18), and ball (19) and the cylinder of piston rod (4) contact with each other, in first support (10)
It is also connected with oil pocket (22), first support (10) is internally connected with petroleum pipeline (16), and petroleum pipeline (16) and oil pocket (22) are mutual
Perforation, petroleum pipeline (16) interpenetrate with hollow ring set (18), are provided with gap between the second casing (15) and piston rod (4)
(26), it is also respectively connected the first cushion rubber (17) at the top and bottom of the second casing (15), the first cushion rubber (17) and piston rod (4)
It contacts with each other.
2. improved hydraulic cylinder according to claim 1, it is characterised in that: be also connected with above the piston rod (4)
Annular element (5).
3. improved hydraulic cylinder according to claim 1, it is characterised in that: go back screw thread on the outside of the third casing (6)
It is connected with nut (7).
4. improved hydraulic cylinder according to claim 1, it is characterised in that: be also connected on the inside of the third casing (6)
Have the second cushion rubber (23), the top surface of the second cushion rubber (23) offers annular groove (24).
5. improved hydraulic cylinder according to claim 1, it is characterised in that: be also connected at the top of the sheath (8) slow
Punching pad (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811423841.8A CN109296587B (en) | 2018-11-27 | 2018-11-27 | Improved hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811423841.8A CN109296587B (en) | 2018-11-27 | 2018-11-27 | Improved hydraulic cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109296587A true CN109296587A (en) | 2019-02-01 |
| CN109296587B CN109296587B (en) | 2020-05-08 |
Family
ID=65144560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811423841.8A Active CN109296587B (en) | 2018-11-27 | 2018-11-27 | Improved hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109296587B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855654A (en) * | 2021-01-07 | 2021-05-28 | 广州天霸电子商务有限公司 | Engineering hydraulic cylinder |
| CN114215823A (en) * | 2021-11-16 | 2022-03-22 | 武泽浩 | Constant throttling type buffer structure high-pressure oil cylinder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090025753A (en) * | 2007-09-07 | 2009-03-11 | (주)주강 로보테크 | Air cushion able rotary cylinder |
| CN203962541U (en) * | 2014-06-06 | 2014-11-26 | 易文辉 | A kind of back taper gripping sleeve is established fluted float support cylinder |
| CN204127023U (en) * | 2014-09-15 | 2015-01-28 | 常州力安液压设备有限公司 | Self oiling oil cylinder |
| CN206522299U (en) * | 2017-02-28 | 2017-09-26 | 温州昊达气动科技有限公司 | A kind of thin tape guide rod cylinder |
| CN206682077U (en) * | 2017-03-23 | 2017-11-28 | 天津鹰格尔液压缸有限公司 | Hydraulic cylinder |
| CN207701504U (en) * | 2017-12-29 | 2018-08-07 | 芮彦 | A kind of secured adjusted device of oil cylinder |
-
2018
- 2018-11-27 CN CN201811423841.8A patent/CN109296587B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090025753A (en) * | 2007-09-07 | 2009-03-11 | (주)주강 로보테크 | Air cushion able rotary cylinder |
| CN203962541U (en) * | 2014-06-06 | 2014-11-26 | 易文辉 | A kind of back taper gripping sleeve is established fluted float support cylinder |
| CN204127023U (en) * | 2014-09-15 | 2015-01-28 | 常州力安液压设备有限公司 | Self oiling oil cylinder |
| CN206522299U (en) * | 2017-02-28 | 2017-09-26 | 温州昊达气动科技有限公司 | A kind of thin tape guide rod cylinder |
| CN206682077U (en) * | 2017-03-23 | 2017-11-28 | 天津鹰格尔液压缸有限公司 | Hydraulic cylinder |
| CN207701504U (en) * | 2017-12-29 | 2018-08-07 | 芮彦 | A kind of secured adjusted device of oil cylinder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855654A (en) * | 2021-01-07 | 2021-05-28 | 广州天霸电子商务有限公司 | Engineering hydraulic cylinder |
| CN114215823A (en) * | 2021-11-16 | 2022-03-22 | 武泽浩 | Constant throttling type buffer structure high-pressure oil cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109296587B (en) | 2020-05-08 |
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Effective date of registration: 20240607 Address after: 1702B, Junxing Building, No. 87 Lingxinan Street, Hanshan District, Handan City, Hebei Province, 056000 Patentee after: Handan Jinshuo Network Technology Co.,Ltd. Country or region after: China Address before: 056000 530 North School Road, Handan, Hebei Patentee before: HANDAN College Country or region before: China |