CN105545865A - Built-in guiding oil cylinder - Google Patents
Built-in guiding oil cylinder Download PDFInfo
- Publication number
- CN105545865A CN105545865A CN201510993869.5A CN201510993869A CN105545865A CN 105545865 A CN105545865 A CN 105545865A CN 201510993869 A CN201510993869 A CN 201510993869A CN 105545865 A CN105545865 A CN 105545865A
- Authority
- CN
- China
- Prior art keywords
- end cap
- plunger
- guide pad
- guiding
- oil cylinder
- 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.)
- Pending
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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
-
- 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
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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 built-in guiding oil cylinder which comprises a lower end cover, a cylinder barrel, an upper end cover, a plunger, an upper screw, a lower screw, a guiding rod, a right guiding block, a left guiding block, a key and a guiding block installation screw. According to the built-in guiding oil cylinder, a guiding device is installed inside the oil cylinder; on one hand, the radial guiding function of the oil cylinder is improved in the movement process of the oil cylinder; on the other hand, the rotation of the oil cylinder is limited, and the circumferential guiding of the oil cylinder is achieved reliably. The built-in guiding oil cylinder is simple in structure and reliable in working, the problem that the installation space and conditions of external accessories and the guiding device of the oil cylinder are limited is solved, the built-in guiding oil cylinder can be applied to the occasion of circumferential rotation in the process of limiting the movement of the oil cylinder, and broad application prospects are achieved.
Description
Technical field
The present invention relates to a kind of guiding oil cylinder, be specifically related to the built-in guiding oil cylinder of one that a kind of guiding device is installed on oil cylinder inside, belong to electric and field of electromechanical technology.
Background technique
At present, hydraulic jack has been widely used in, in all kinds of mechanized equipment, under common applied environment, utilizing hydraulic jack, by larger working force, realizes straight line motion.The guiding problem of oil cylinder in linear motion; major part is by arranging guide ring or guiding brings realization in cylinder cover and on piston; in cylinder cover He on piston, guide ring or guidance tape are set; the problem that cylinder piston rod or plunger rotate in a circumferential direction can not be solved; for the occasion needing restriction oil cylinder to rotate in a circumferential direction, the guiding device that often can add in the outer installment of oil cylinder.And in some special occasions, space and condition that outside additional guide is set cannot be met, so, must consider to arrange in oil cylinder inside guiding device, ensure to prevent rotating in a circumferential direction of oil cylinder by the guide function of oil cylinder.In the application, a kind of built-in guiding oil cylinder, solve installing space and the restricted problem of condition of oil cylinder external accessory guiding device, guiding device is installed on oil cylinder inside, strengthen the radially-directed effect of oil cylinder, reliably achieve the circumference guiding of oil cylinder simultaneously, prevent the circumference of oil cylinder from rotating.
Summary of the invention
The object of the present invention is to provide a kind of built-in guiding oil cylinder.
The technical solution used in the present invention is: a kind of built-in guiding oil cylinder, comprises lower end cap, cylinder barrel, upper end cap, plunger, screwing, lower screw, right guide pad, guide rod, key, left guide pad and guide pad mounting screw.The middle and upper part of described lower end cap offers guide rod mounting hole, the right side opening of guide rod mounting hole is provided with lower end cap keyway, the upper left quarter of lower end cap offers lower end cap first oil through, the left side of lower end cap offers lower end cap filler opening and lower end cap second oil through, lower end cap filler opening is connected with cylinder cavity by lower end cap second oil through, lower end cap first oil through, and lower end cap top outer circle wall is provided with lower end cap seal ring, the centre of described upper end cap offers upper end cap plunger hole, upper end cap plunger hole is through upper end cap axially, on the inner peripheral wall of upper end cap plunger hole, upper end cap dust ring, upper end cap inner seal ring, upper end cap guide ring are installed from top to bottom, upper end cap lower outer circumferential wall is provided with upper end cap exterior seal ring, the bottom of described plunger is with plug, and the inside of plunger and plug offers plunger endoporus, and the right side opening of plunger endoporus is provided with the right guiding groove of plunger endoporus, and the left side of plunger endoporus offers the left guiding groove of plunger endoporus, the upper right of described guide rod offers right guide pad mounting groove, and the upper left-hand of guide rod offers left guide pad mounting groove, offers keyway on the right side of the bottom of guide rod, described right guide pad is arranged in right guide pad mounting groove by guide pad mounting screw is fastening, described left guide pad is arranged on left guide pad mounting groove by guide pad mounting screw is fastening, described key is arranged in keyway, described guide rod is installed in guide rod mounting hole together with the key be arranged in keyway is fastening, and key closely inserts in lower end cap keyway, places restrictions on guide rod and rotates in a circumferential direction, described lower end cap inserts the bottom cylinder barrel Inner of cylinder barrel together with guide rod, and is connected with the bottom of cylinder barrel by lower screw, realizes sealing by lower end cap seal ring, described upper end cap inserts the top cylinder barrel Inner of cylinder barrel, and is connected with the top of cylinder barrel by screwing, realizes sealing by upper end cap exterior seal ring, described plunger is arranged in cylinder barrel, in the middle part of the outer circle wall of plug and cylinder barrel cylindrical hole inner peripheral wall between form annular pass, the guide rod being provided with right guide pad and left guide pad inserts in plunger endoporus, simultaneously, right guide pad inserts in the right guiding groove of plunger endoporus, outer wall three directions of right guide pad and the inner wall surface of the right guiding groove of plunger endoporus are formed and are slidably matched, left guide pad inserts in the left guiding groove of plunger endoporus, outer wall three directions of left guide pad and the inner wall surface of the left guiding groove of plunger endoporus are formed and are slidably matched, upper end cap plunger hole is run through on the top of plunger, stretch out in upper end cap plunger hole, and realize dust-proof by upper end cap dust ring, sealing is realized by upper end cap inner seal ring, guiding is realized by upper end cap guide ring.
When high-voltage oil liquid is by lower end cap filler opening, lower end cap second oil through, lower end cap first oil through enters oil cylinder inside, act on the bottom of plunger, overcome the effect of outer load, promotion plunger outward is stretched out, move from bottom to top, due to right guide pad, left guide pad and the right guiding groove of plunger endoporus, the left guiding groove of plunger endoporus radial restrictive function each other, the radial direction further reducing plunger is rocked, strengthen the radially-directed effect of plunger, on the other hand, due to right guide pad, left guide pad and the right guiding groove of plunger endoporus, the left guiding groove of plunger endoporus circumferential restrictive function each other, limit the rotation of plunger, reliably achieve the circumference guiding of plunger, when outer load acts on plunger, when promoting plunger retraction, the fluid of oil cylinder inside is by lower end cap first oil through, lower end cap second oil through, lower end cap filler opening flows out, plug is retracted, move from the top down, equally, due to right guide pad, left guide pad and the right guiding groove of plunger endoporus, the left guiding groove of plunger endoporus radial restrictive function each other, the radial direction further reducing plunger is rocked, strengthen the radially-directed effect of plunger, on the other hand, due to right guide pad, left guide pad and the right guiding groove of plunger endoporus, the left guiding groove of plunger endoporus circumferential restrictive function each other, limit the rotation of plunger, reliably achieve the circumference guiding of plunger, so, oil cylinder of the present invention can realize reliable guiding in movement process.
Described lower end cap is connected with the bottom of cylinder barrel by lower screw, also can be, lower end cap is connected with the bottom of cylinder barrel by screw thread.
Described upper end cap is connected with the top of cylinder barrel by screwing, also can be, upper end cap is connected with the top of cylinder barrel by screw thread.
Described right guide pad and left guide pad shape are cuboid.
The invention has the beneficial effects as follows:
A kind of built-in guiding oil cylinder, thoroughly solve installing space and the restricted problem of condition of oil cylinder external accessory guiding device, guiding device is installed on oil cylinder inside, strengthen the radially-directed effect in cylinder movement process, reliably achieve the circumference guiding of oil cylinder simultaneously, prevent the circumference of oil cylinder from rotating.
Accompanying drawing explanation
The embodiment provided below in conjunction with accompanying drawing is described in more detail the present invention.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the plan view of Fig. 1.
Embodiment
As shown in Figure 1 and Figure 2, a kind of built-in guiding oil cylinder, comprises lower end cap 1, cylinder barrel 2, upper end cap 3, plunger 4, screwing 5, lower screw 6, right guide pad 8, guide rod 9, key 10, left guide pad 11 and guide pad mounting screw 12.The middle and upper part of lower end cap 1 offers guide rod mounting hole 1-2, the right side opening of guide rod mounting hole 1-2 is provided with lower end cap keyway 1-1, the upper left quarter of lower end cap 1 offers lower end cap first oil through 1-3, the left side of lower end cap 1 offers lower end cap filler opening 1-5 and lower end cap second oil through 1-4, lower end cap filler opening 1-5 is connected with cylinder cavity by lower end cap second oil through 1-4, lower end cap first oil through 1-3, and lower end cap 1 top outer circle wall is provided with lower end cap seal ring 1-6, the centre of upper end cap 3 offers upper end cap plunger hole 3-5, upper end cap plunger hole 3-5 is through upper end cap 3 axially, on the inner peripheral wall of upper end cap plunger hole 3-5, upper end cap dust ring 3-2, upper end cap inner seal ring 3-3, upper end cap guide ring 3-4 are installed from top to bottom, upper end cap 3 lower outer circumferential wall is provided with upper end cap exterior seal ring 3-1, the bottom of plunger 4 is with plug 4-1, and the inside of plunger 4 and plug 4-1 offers plunger endoporus 4-2, and the right side opening of plunger endoporus 4-2 is provided with the right guiding groove 4-3 of plunger endoporus, and the left side of plunger endoporus 4-2 offers the left guiding groove 4-4 of plunger endoporus, the upper right of guide rod 9 offers right guide pad mounting groove 9-1, and the upper left-hand of guide rod 9 offers left guide pad mounting groove 9-2, offers keyway 9-3 on the right side of the bottom of guide rod 9, right guide pad 8 is arranged in right guide pad mounting groove 9-1 by guide pad mounting screw 12 is fastening, left guide pad 11 is arranged on left guide pad mounting groove 9-2 by guide pad mounting screw 12 is fastening, key 10 is arranged in keyway 9-3, guide rod 9 is installed in guide rod mounting hole 1-2 together with the key 10 be arranged in keyway 9-3 is fastening, and key 10 closely inserts in lower end cap keyway 1-1, places restrictions on guide rod 9 and rotates in a circumferential direction, lower end cap 1 inserts the bottom cylinder barrel Inner of cylinder barrel 2 together with guide rod 9, and is connected with the bottom of cylinder barrel 2 by lower screw 6, realizes sealing by lower end cap seal ring 1-4, upper end cap 3 inserts the top cylinder barrel Inner of cylinder barrel 2, and is connected by the top of screwing 5 with cylinder barrel 2, realizes sealing by upper end cap exterior seal ring 3-1, plunger 4 is arranged in cylinder barrel 2, in the middle part of the outer circle wall of plug 4-1 and cylinder barrel cylindrical hole 2-2 inner peripheral wall between form annular pass 7, the guide rod 9 being provided with right guide pad 8 and left guide pad 11 inserts in plunger endoporus 4-2, simultaneously, right guide pad 8 inserts in the right guiding groove 4-3 of plunger endoporus, outer wall three directions of right guide pad 8 and the inner wall surface of the right guiding groove 4-3 of plunger endoporus are formed and are slidably matched, left guide pad 11 inserts in the left guiding groove 4-4 of plunger endoporus, outer wall three directions of left guide pad 11 and the inner wall surface of the left guiding groove 4-4 of plunger endoporus are formed and are slidably matched, upper end cap plunger hole 3-5 is run through on the top of plunger 4, stretch out in upper end cap plunger hole 3-5, and realize dust-proof by upper end cap dust ring 3-2, sealing is realized by upper end cap inner seal ring 3-3, guiding is realized by upper end cap guide ring 3-4.
When high-voltage oil liquid is by lower end cap filler opening 1-5, lower end cap second oil through 1-4, lower end cap first oil through 1-3 enters oil cylinder inside, act on the bottom of plunger 4, overcome the effect of outer load, promote plunger 4 protruding, move from bottom to top, due to right guide pad 8, left guide pad 11 and the right guiding groove 4-3 of plunger endoporus, plunger endoporus left guiding groove 4-4 radial restrictive function each other, the radial direction further reducing plunger 4 is rocked, strengthen the radially-directed effect of plunger 4, on the other hand, due to right guide pad 8, left guide pad 11 and the right guiding groove 4-3 of plunger endoporus, plunger endoporus left guiding groove 4-4 circumferential restrictive function each other, limit the rotation of plunger 4, reliably achieve the circumference guiding of plunger 4, when outer load acts on plunger 4, when promotion plunger 4 is retracted, the fluid of oil cylinder inside is by lower end cap first oil through 1-3, lower end cap second oil through 1-4, lower end cap filler opening 1-5 flows out, plug 4-1 retracts, move from the top down, equally, due to right guide pad 8, left guide pad 11 and the right guiding groove 4-3 of plunger endoporus, plunger endoporus left guiding groove 4-4 radial restrictive function each other, the radial direction further reducing plunger 4 is rocked, strengthen the radially-directed effect of plunger 4, on the other hand, due to right guide pad 8, left guide pad 11 and the right guiding groove 4-3 of plunger endoporus, plunger endoporus left guiding groove 4-4 circumferential restrictive function each other, limit the rotation of plunger 4, reliably achieve the circumference guiding of plunger 4, so, oil cylinder of the present invention can realize reliable guiding in movement process.
Preferably, above-mentioned lower end cap 1 is connected by the bottom of screw thread with cylinder barrel 2.
Preferably, above-mentioned upper end cap 3 is connected by the top of screw thread with cylinder barrel 2.
Preferably, above-mentioned right guide pad 8 and left guide pad 11 shape are cuboid.
A kind of built-in guiding oil cylinder of the present invention, structure is simple, reliable operation, thoroughly solve installing space and the restricted problem of condition of oil cylinder external accessory guiding device, guiding device is installed on oil cylinder inside, strengthen the radially-directed effect in cylinder movement process, reliably achieve the circumference guiding of oil cylinder simultaneously, prevent the circumference of oil cylinder from rotating.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. a built-in guiding oil cylinder, is characterized in that: comprise lower end cap (1), cylinder barrel (2), upper end cap (3), plunger (4), screwing (5), lower screw (6), right guide pad (8), guide rod (9), key (10), left guide pad (11) and guide pad mounting screw (12), the middle and upper part of described lower end cap (1) offers guide rod mounting hole (1-2), the right side opening of guide rod mounting hole (1-2) is provided with lower end cap keyway (1-1), the upper left quarter of lower end cap (1) offers lower end cap first oil through (1-3), the left side of lower end cap (1) offers lower end cap filler opening (1-5) and lower end cap second oil through (1-4), lower end cap filler opening (1-5) is by lower end cap second oil through (1-4), lower end cap first oil through (1-3) is connected with cylinder cavity, lower end cap (1) top outer circle wall is provided with lower end cap seal ring (1-6), the centre of described upper end cap (3) offers upper end cap plunger hole (3-5), upper end cap plunger hole (3-5) is through upper end cap (3) axially, on the inner peripheral wall of upper end cap plunger hole (3-5), upper end cap dust ring (3-2), upper end cap inner seal ring (3-3), upper end cap guide ring (3-4) are installed from top to bottom, upper end cap (3) lower outer circumferential wall are provided with upper end cap exterior seal ring (3-1), the bottom of described plunger (4) is with plug (4-1), the inside of plunger (4) and plug (4-1) offers plunger endoporus (4-2), the right side opening of plunger endoporus (4-2) is provided with the right guiding groove of plunger endoporus (4-3), and the left side of plunger endoporus (4-2) offers the left guiding groove of plunger endoporus (4-4), the upper right of described guide rod (9) offers right guide pad mounting groove (9-1), and the upper left-hand of guide rod (9) offers left guide pad mounting groove (9-2), offers keyway (9-3) on the right side of the bottom of guide rod (9), described right guide pad (8) is arranged in right guide pad mounting groove (9-1) by guide pad mounting screw (12) is fastening, described left guide pad (11) is arranged on left guide pad mounting groove (9-2) by guide pad mounting screw (12) is fastening, described key (10) is arranged in keyway (9-3), described guide rod (9) is installed in guide rod mounting hole (1-2) together with the key (10) be arranged in keyway (9-3) is fastening, and key (10) closely inserts in lower end cap keyway (1-1), places restrictions on guide rod (9) and rotates in a circumferential direction, described lower end cap (1) inserts the bottom cylinder barrel Inner of cylinder barrel (2) together with guide rod (9), and is connected by the bottom of lower screw (6) with cylinder barrel (2), realizes sealing by lower end cap seal ring (1-4), described upper end cap (3) inserts the top cylinder barrel Inner of cylinder barrel (2), and is connected by the top of screwing (5) with cylinder barrel (2), realizes sealing by upper end cap exterior seal ring (3-1), described plunger (4) is arranged in cylinder barrel (2), in the middle part of the outer circle wall of plug (4-1) and cylinder barrel cylindrical hole (2-2) inner peripheral wall between form annular pass (7), the guide rod (9) being provided with right guide pad (8) and left guide pad (11) inserts in plunger endoporus (4-2), simultaneously, right guide pad (8) inserts in the right guiding groove of plunger endoporus (4-3), outer wall three directions of right guide pad (8) and the inner wall surface of the right guiding groove of plunger endoporus (4-3) are formed and are slidably matched, left guide pad (11) inserts in the left guiding groove of plunger endoporus (4-4), outer wall three directions of left guide pad (11) and the inner wall surface of the left guiding groove of plunger endoporus (4-4) are formed and are slidably matched, upper end cap plunger hole (3-5) is run through on the top of plunger (4), stretch out in upper end cap plunger hole (3-5), and realize dust-proof by upper end cap dust ring (3-2), sealing is realized by upper end cap inner seal ring (3-3), guiding is realized by upper end cap guide ring (3-4).
2. the built-in guiding oil cylinder of one according to claim 1, is characterized in that: described lower end cap (1) is connected by the bottom of screw thread with cylinder barrel (2).
3. the built-in guiding oil cylinder of one according to claim 1, is characterized in that: described upper end cap (3) is connected by the top of screw thread with cylinder barrel (2).
4. the built-in guiding oil cylinder of one according to claim 1, is characterized in that: described right guide pad (8) and left guide pad (11) shape are cuboid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993869.5A CN105545865A (en) | 2015-12-25 | 2015-12-25 | Built-in guiding oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510993869.5A CN105545865A (en) | 2015-12-25 | 2015-12-25 | Built-in guiding oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105545865A true CN105545865A (en) | 2016-05-04 |
Family
ID=55825305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510993869.5A Pending CN105545865A (en) | 2015-12-25 | 2015-12-25 | Built-in guiding oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105545865A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681488A (en) * | 2019-01-05 | 2019-04-26 | 叶伟强 | A kind of rapid hydraulic oil cylinder |
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| CN201092987Y (en) * | 2007-08-22 | 2008-07-30 | 中国舰船研究设计中心 | Inner guiding torsion-proof telescopic piston jar |
| CN201836144U (en) * | 2010-11-09 | 2011-05-18 | 济南铸造锻压机械研究所有限公司 | Hydraulic cylinder with guiding and detecting functions |
| CN202718962U (en) * | 2012-06-17 | 2013-02-06 | 福建省龙岩盛通液压有限公司 | Guiding structure of hydraulic oil cylinder |
| CN202971404U (en) * | 2012-12-19 | 2013-06-05 | 山东富力世液压油缸有限公司 | Quick stamping cylinder with embedded guide rotation-proof device |
| CN103557200A (en) * | 2013-11-22 | 2014-02-05 | 徐州徐工液压件有限公司 | Hydraulic cylinder with rotation resistant mechanism |
| CN103939417A (en) * | 2014-04-25 | 2014-07-23 | 徐州徐工液压件有限公司 | Anti-rotation structure of hydraulic cylinder |
| CN104088848A (en) * | 2014-07-03 | 2014-10-08 | 福建海源自动化机械股份有限公司 | Anti-rotation servo oil cylinder of external displacement sensor |
| CN102943786B (en) * | 2012-12-11 | 2015-08-12 | 湖南特力液压有限公司 | Oil hydraulic cylinder |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1119534C (en) * | 1997-09-19 | 2003-08-27 | 速睦喜股份有限公司 | Fluid-pressure cylinder apparatus |
| US6226809B1 (en) * | 1998-05-12 | 2001-05-08 | Smith Industries Public Limited Company | Hydraulic lift cylinder assemblies |
| CN201092987Y (en) * | 2007-08-22 | 2008-07-30 | 中国舰船研究设计中心 | Inner guiding torsion-proof telescopic piston jar |
| CN201836144U (en) * | 2010-11-09 | 2011-05-18 | 济南铸造锻压机械研究所有限公司 | Hydraulic cylinder with guiding and detecting functions |
| CN202718962U (en) * | 2012-06-17 | 2013-02-06 | 福建省龙岩盛通液压有限公司 | Guiding structure of hydraulic oil cylinder |
| CN102943786B (en) * | 2012-12-11 | 2015-08-12 | 湖南特力液压有限公司 | Oil hydraulic cylinder |
| CN202971404U (en) * | 2012-12-19 | 2013-06-05 | 山东富力世液压油缸有限公司 | Quick stamping cylinder with embedded guide rotation-proof device |
| CN103557200A (en) * | 2013-11-22 | 2014-02-05 | 徐州徐工液压件有限公司 | Hydraulic cylinder with rotation resistant mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681488A (en) * | 2019-01-05 | 2019-04-26 | 叶伟强 | A kind of rapid hydraulic oil cylinder |
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Application publication date: 20160504 |
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