CN105402193B - A kind of built-in guiding oil cylinder - Google Patents
A kind of built-in guiding oil cylinder Download PDFInfo
- Publication number
- CN105402193B CN105402193B CN201510991073.6A CN201510991073A CN105402193B CN 105402193 B CN105402193 B CN 105402193B CN 201510991073 A CN201510991073 A CN 201510991073A CN 105402193 B CN105402193 B CN 105402193B
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- end cover
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- guide
- oil
- rod
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- 230000000694 effects Effects 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 77
- 239000007788 liquid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
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- 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
- 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
- F15B15/1438—Cylinder to end cap assemblies
- F15B15/1442—End cap 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
- F15B2215/00—Fluid-actuated devices for displacing a member from one position to another
- F15B2215/30—Constructional details thereof
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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 built-in guiding oil cylinder, including bottom end cover, cylinder barrel, upper end cover, piston and piston rod, screwing, lower screw, guide rod, guide pad, key, the present invention is installed on guider inside oil cylinder, in the motion process of oil cylinder, on the one hand, the radially-directed effect of oil cylinder is strengthened, on the other hand, the rotation of oil cylinder is limited, the circumferential guiding of oil cylinder is reliably realized.Simple in construction, reliable operation of the invention, solves the installing space and the restricted problem of condition of oil cylinder external accessory guider, can apply to limit the occasion circumferentially rotated during cylinder movement, has broad application prospects.
Description
Technical field
The present invention relates to a kind of guiding oil cylinder, and in particular to the one kind being installed on to a kind of guider inside oil cylinder is built-in
Guiding oil cylinder, belongs to electric and field of electromechanical technology.
Background technology
At present, hydraulic jack is had been widely used in all kinds of mechanized equipments, under common application environment, utilizes hydraulic pressure
Oil cylinder, by larger operational forces, realizes linear motion.Guiding problem of the oil cylinder in linear motion, is largely logical
Cross in cylinder cover and set guide ring or guidance tape on piston to realize, in cylinder cover and guide ring is set on piston
Or guidance tape, it is impossible to cylinder piston rod is solved or the problem of plunger rotates in a circumferential direction, for needing to limit what oil cylinder rotated in a circumferential direction
Occasion, often sets additional guider in the outside of oil cylinder.And in some special occasions, it is impossible to meet and set outside
The space of additional guide and condition, therefore it is necessary to consider to set guider inside oil cylinder, it is ensured that the guiding work(of oil cylinder
Can, prevent rotating in a circumferential direction for oil cylinder.In the application, a kind of built-in guiding oil cylinder solves oil cylinder external accessory guider
Installing space and the restricted problem of condition, guider are installed on inside oil cylinder, strengthen the radially-directed effect of oil cylinder,
The circumferential guiding of oil cylinder is reliably realized simultaneously, prevents circumferentially rotating for oil cylinder.
The content of the invention
It is an object of the invention to provide a kind of built-in guiding oil cylinder.
The technical solution adopted by the present invention is：A kind of built-in guiding oil cylinder, including bottom end cover, cylinder barrel, upper end cover, piston,
Piston rod, screwing, lower screw, guide pad, guide rod, key, upper oil cavitie and lower oil cavitie.The middle and upper part of the bottom end cover is offered
Guide rod mounting hole, the right side opening of guide rod mounting hole is provided with bottom end cover keyway, and the upper left quarter of bottom end cover offers bottom end cover the
Bottom end cover oil inlet and the oil-through-hole of bottom end cover second are offered on the left of one oil-through-hole, bottom end cover, bottom end cover oil inlet is under
The oil-through-hole of end cap second, the oil-through-hole of bottom end cover first are connected with the lower oil cavitie of oil cylinder, are installed on the outer circle wall of bottom end cover top
There is bottom end cover sealing ring；The cylinder barrel top radially offers hydraulic fluid port and upper oil-through-hole, and upper hydraulic fluid port passes through upper oil-through-hole and upper
Oil pocket is connected；The centre of the upper end cover offers upper end cover rod aperture, upper end cover rod aperture axially through upper end cover,
On the inner peripheral wall of upper end cover rod aperture, upper end cover dust ring, upper end cover inner seal ring, upper end cover are installed from top to bottom and led
Upper end cover exterior seal ring is installed on Xiang Huan, upper end cover lower outer circumferential wall；The piston in the bottom of piston rod, piston rod and
Piston is structure as a whole, and the inside of piston rod offers piston rod endoporus, and the right side opening of piston rod endoporus is provided with the right guiding of endoporus
Groove, offer on the left guide groove of endoporus, the outer circle wall of piston on the left of piston rod endoporus, piston is installed from top to bottom close
Seal and piston guide ring；The top of the guide rod is offered to be offered on the right side of guide pad installation through-hole, the bottom of guide rod
Keyway；The guide pad is in close-fitting insertion guide pad installation through-hole, the appearance of left and right ends respectively radially beyond guide rod
Face；The key is arranged in keyway；The guide rod is securely mounted in guide rod mounting hole together with the key in keyway,
Key is tightly inserted into bottom end cover keyway, is placed restrictions on guide rod and is rotated in a circumferential direction；The bottom end cover inserts the bottom of cylinder barrel together with guide rod
Cylinder barrel Inner, and be connected by lower screw with the bottom of cylinder barrel, realized and sealed by bottom end cover sealing ring；The upper end cover insertion
The top cylinder barrel Inner of cylinder barrel, and be connected by screwing with the top of cylinder barrel, realized and sealed by upper end cover exterior seal ring；Institute
State piston and piston rod is arranged in cylinder barrel, the inner chamber of cylinder barrel is divided into two working oil chambers of upper oil cavitie and lower oil cavitie, installed
Piston packing on outside piston perisporium plays sealing function, and the piston guide ring on outside piston perisporium is played
Guide effect；It is provided with the guide rod of guide pad insertion piston rod endoporus, meanwhile, the right-hand member insertion endoporus of guide pad is right to be oriented to
In groove, three directions of right-hand member outer wall of guide pad are slidably matched with the inner wall surface formation of the right guide groove of endoporus, a left side for guide pad
In the end insertion left guide groove of endoporus, three directions of left end outer wall of guide pad are matched somebody with somebody with the inner wall surface formation slip of left guide groove
Close, upper end cover rod aperture is run through on the top of piston rod, is stretched out out of upper end cover rod aperture, and real by upper end cover dust ring
It is existing dust-proof, realized and sealed by upper end cover inner seal ring, realized and be oriented to by upper end cover guide ring.
When high-voltage oil liquid by bottom end cover oil inlet, bottom end cover oil-through-hole and bottom end cover oil pocket enter oil cylinder lower oil cavitie,
The bottom of piston and piston rod is acted on, the effect of outer load is overcome, promote piston and piston rod to move upwards, oil cylinder oils
The fluid of chamber by upper oil-through-hole, upper hydraulic fluid port discharge, due to guide pad left and right two ends respectively with the left guide groove of endoporus, endoporus
The radial direction restrictive function of right guide groove each other, the radial direction for further reducing piston and piston rod is rocked, and strengthens piston
Acted on the radially-directed of piston rod, on the other hand, due to guide pad left and right two ends respectively with the left guide groove of endoporus, endoporus
The circumferential restrictive function of right guide groove each other, limits the rotation of piston and piston rod, reliably realizes piston and piston
The circumferential guiding of bar；When high-voltage oil liquid by upper hydraulic fluid port, upper oil-through-hole enters upper oil cavitie, the upper of piston and piston rod is acted on
Portion, promotes piston and piston rod to move downward, the fluid of the lower oil cavitie of oil cylinder by bottom end cover oil pocket, bottom end cover oil-through-hole and under
End cap oil inlet is discharged, similarly, since the left and right two ends of guide pad are mutual with the left guide groove of endoporus, the right guide groove of endoporus respectively
Between radial direction restrictive function, the radial direction for further reducing piston and piston rod rocks, and strengthens the footpath of piston and piston rod
To guide effect, on the other hand, because the left and right two ends of guide pad are mutual with the left guide groove of endoporus, the right guide groove of endoporus respectively
Between circumferential restrictive function, limit the rotation of piston and piston rod, reliably realize the circumferential guiding of piston and piston rod,
So, oil cylinder of the invention can realize reliable guiding in motion process.
The bottom end cover be connected by lower screw with the bottom of cylinder barrel or, bottom end cover passes through screw thread and cylinder barrel
Bottom be connected.
The upper end cover be connected by screwing with the top of cylinder barrel or, upper end cover passes through screw thread and cylinder barrel
Top be connected.
The guide pad is shaped as cuboid.
The beneficial effects of the invention are as follows：
A kind of built-in guiding oil cylinder, thoroughly solving the installing space and condition of oil cylinder external accessory guider is restricted
The problem of, guider is installed on inside oil cylinder, the radially-directed effect during cylinder movement is strengthened, while reliable real
Show the circumferential guiding of oil cylinder, prevent circumferentially rotating for oil cylinder.
Brief description of the drawings
The embodiment provided below in conjunction with the accompanying drawings is described in more detail to the present invention.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is Fig. 1 top view.
Embodiment
As shown in Figure 1 and Figure 2, a kind of built-in guiding oil cylinder, including bottom end cover 1, cylinder barrel 2, upper end cover 3, piston 12, piston
Bar 4, screwing 5, lower screw 6, guide pad 7, guide rod 8, key 9, upper oil cavitie 10 and lower oil cavitie 11.Open the middle and upper part of bottom end cover 1
Provided with guide rod mounting hole 1-2, guide rod mounting hole 1-2 right side opening is provided with bottom end cover keyway 1-1, the upper left quarter of bottom end cover 1
Bottom end cover the first oil-through-hole 1-3 is offered, the left side of bottom end cover 1 offers bottom end cover oil inlet 1-5 and the logical oil of bottom end cover second
The lower oil that hole 1-4, bottom end cover oil inlet 1-5 pass through the second oil-through-hole of bottom end cover 1-4, bottom end cover the first oil-through-hole 1-3 and oil cylinder
Chamber 11 is connected, and bottom end cover sealing ring 1-6 is provided with the top outer circle wall of bottom end cover 1；The top of cylinder barrel 2 radially offers and oiled
Mouthful 2-2 and upper oil-through-hole 2-1, upper hydraulic fluid port 2-2 are connected by upper oil-through-hole 2-1 with upper oil cavitie 10；The centre of upper end cover 3 is opened up
There are upper end cover rod aperture 3-5, upper end cover rod aperture 3-5 axially through upper end cover 3, upper end cover rod aperture 3-5 inner circle
On perisporium, upper end cover dust ring 3-2, upper end cover inner seal ring 3-3, upper end cover guide ring 3-4, upper end cover are installed from top to bottom
Upper end cover exterior seal ring 3-1 is installed on 3 lower outer circumferential walls；Piston 12 is in the bottom of piston rod 4, piston rod 4 and piston 12
It is structure as a whole, the inside of piston rod 4 offers piston rod endoporus 4-1, and piston rod endoporus 4-1 right side opening is led provided with the endoporus right side
To groove 4-2, offered on the left of piston rod endoporus 4-1 on the left guide groove 4-3 of endoporus, the outer circle wall of piston 12, from top to bottom
Piston packing 12-1 and piston guide ring 12-2 are installed；The top of guide rod 8 offers guide pad installation through-hole 8-1, leads
Keyway 8-2 is offered on the right side of to the bottom of bar 8；Guide pad 7 is in close-fitting insertion guide pad installation through-hole 8-1, left and right ends
Respectively radially beyond the outer surface of guide rod 8；Key 9 is arranged in keyway 8-2；Guide rod 8 is together with the key in keyway 8-2
9 are securely mounted in guide rod mounting hole 1-2, and key 9 is tightly inserted into bottom end cover keyway 1-1, are placed restrictions on guide rod 8 and are rotated in a circumferential direction；
Bottom end cover 1 inserts the bottom cylinder barrel Inner of cylinder barrel 2 together with guide rod 8, and is connected by lower screw 6 with the bottom of cylinder barrel 2, passes through
Bottom end cover sealing ring 1-4 realizes sealing；Upper end cover 3 inserts the top cylinder barrel Inner of cylinder barrel 2, and passes through the upper of screwing 5 and cylinder barrel 2
Portion is connected, and is realized and sealed by upper end cover exterior seal ring 3-1；Piston 12 and piston rod 4 are arranged in cylinder barrel 2, cylinder barrel 2
Inner chamber is divided into 11 two working oil chambers of upper oil cavitie 10 and lower oil cavitie, the piston packing on the outer circle wall of piston 12
12-1 plays sealing function, and the piston guide ring 12-2 on the outer circle wall of piston 12 plays guide effect；It is provided with and leads
Into the insertion piston rod endoporus of guide rod 8 4-1 of block 7, meanwhile, in the right guide groove 4-2 of right-hand member insertion endoporus of guide pad 7, lead
It is slidably matched to three directions of right-hand member outer wall of block 7 and the right guide groove 4-2 of endoporus inner wall surface formation, the left end of guide pad 7
Insert in the left guide groove 4-3 of endoporus, three directions of left end outer wall of guide pad 7 form cunning with left guide groove 4-3 inner wall surface
Dynamic to coordinate, upper end cover rod aperture 3-5 is run through on the top of piston rod 4, is stretched out out of upper end cover rod aperture 3-5, and by upper
End cap dust ring 3-2 realize it is dust-proof, by upper end cover inner seal ring 3-3 realize seal, by upper end cover guide ring 3-4 realize lead
To.
When high-voltage oil liquid by bottom end cover oil inlet 1-4, bottom end cover oil-through-hole 1-3 and bottom end cover oil pocket 1-2 enters oil cylinder
Lower oil cavitie 11, act on the bottom of piston 12 and piston rod 4, overcome the effect of outer load, promote piston 12 and piston rod 4 to
Upper motion, the fluid of the upper oil cavitie 10 of oil cylinder is discharged by upper oil-through-hole 2-1, upper hydraulic fluid port 2-2, due to left and right the two of guide pad 7
End respectively with the left guide groove 4-3 of endoporus, the radial direction restrictive functions of the right guide groove 4-2 of endoporus each other, further reduce work
The radial direction of plug 12 and piston rod 4 is rocked, and the radially-directed effect of piston 12 and piston rod 4 is strengthened, on the other hand, due to being oriented to
The left and right two ends of block 7 respectively with the left guide groove 4-3 of endoporus, the circumferential restrictive functions of the right guide groove 4-2 of endoporus each other, limit
The rotation of piston 12 and piston rod 4 has been made, the circumferential guiding of piston 12 and piston rod 4 is reliably realized；When high-voltage oil liquid passes through
Upper hydraulic fluid port 2-2, upper oil-through-hole 2-1 enter upper oil cavitie 10, act on the top of piston 12 and piston rod 4, promote piston 12 and living
Stopper rod 4 is moved downward, and the fluid of the lower oil cavitie 11 of oil cylinder is entered by bottom end cover oil pocket 1-2, bottom end cover oil-through-hole 1-3 and bottom end cover
Hydraulic fluid port 1-4 discharge, similarly, since the left and right two ends of guide pad 7 respectively with the left guide groove 4-3 of endoporus, the right guide groove 4-2 of endoporus
Radial direction restrictive function each other, the radial direction for further reducing piston 12 and piston rod 4 is rocked, and strengthens piston 12 and living
Stopper rod 4 radially-directed effect, on the other hand, due to guide pad 7 left and right two ends respectively with the left guide groove 4-3 of endoporus, endoporus
The circumferential restrictive functions of right guide groove 4-2 each other, limit the rotation of piston 12 and piston rod 4, reliably realize piston
12 and the circumferential guiding of piston rod 4, so, oil cylinder of the invention can realize reliable guiding in motion process.
Preferably, above-mentioned bottom end cover 1 is connected by the bottom of screw thread with cylinder barrel 2.
Preferably, above-mentioned upper end cover 3 is connected by the top of screw thread with cylinder barrel 2.
Preferably, above-mentioned guide pad 7 is shaped as cuboid.
A kind of built-in guiding oil cylinder of the present invention, simple in construction, reliable operation thoroughly solves oil cylinder external accessory and is oriented to dress
The restricted problem of installing space and condition put, guider is installed on inside oil cylinder, during strengthening cylinder movement
Radially-directed effect, while reliable realize the circumferential guiding of oil cylinder, prevent circumferentially rotating for oil cylinder.
Described above is only the preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of built-in guiding oil cylinder, it is characterised in that：Including bottom end cover（1）, cylinder barrel（2）, upper end cover（3）, piston（12）, it is living
Stopper rod（4）, screwing（5）, lower screw（6）, guide pad（7）, guide rod（8）, key（9）, upper oil cavitie（10）And lower oil cavitie（11）；
The bottom end cover（1）Middle and upper part offer guide rod mounting hole（1-2）, guide rod mounting hole（1-2）Right side opening be provided with down
End cap keyway（1-1）, bottom end cover（1）Upper left quarter offer the oil-through-hole of bottom end cover first（1-3）, bottom end cover（1）Left side open
Provided with bottom end cover oil inlet（1-5）With the oil-through-hole of bottom end cover second（1-4）, bottom end cover oil inlet（1-5）Pass through bottom end cover second
Oil-through-hole（1-4）, the oil-through-hole of bottom end cover first（1-3）With the lower oil cavitie of oil cylinder（11）It is connected, bottom end cover（1）Top excircle
Bottom end cover sealing ring is installed on wall（1-6）；The cylinder barrel（2）Top radially offers hydraulic fluid port（2-2）With upper oil-through-hole（2-
1）, upper hydraulic fluid port（2-2）Pass through upper oil-through-hole（2-1）And upper oil cavitie（10）It is connected；The upper end cover（3）Centre offer
End cap rod aperture（3-5）, upper end cover rod aperture（3-5）Axially through upper end cover（3）, upper end cover rod aperture（3-5）'s
On inner peripheral wall, upper end cover dust ring is installed from top to bottom（3-2）, upper end cover inner seal ring（3-3）, upper end cover guide ring
（3-4）, upper end cover（3）Upper end cover exterior seal ring is installed on lower outer circumferential wall（3-1）；The piston（12）In piston rod
（4）Bottom, piston rod（4）And piston（12）It is structure as a whole, piston rod（4）Inside offer piston rod endoporus（4-1）,
Piston rod endoporus（4-1）Right side opening be provided with the right guide groove of endoporus（4-2）, piston rod endoporus（4-1）Left side offer endoporus
Left guide groove（4-3）, piston（12）Outer circle wall on, piston packing is installed from top to bottom（12-1）With piston guide ring
（12-2）；The guide rod（8）Top offer guide pad installation through-hole（8-1）, guide rod（8）Bottom on the right side of offer
Keyway（8-2）；The guide pad（7）Guide pad installation through-hole is inserted through close-fitting（8-1）It is interior, left and right ends respectively radially beyond
Guide rod（8）Outer surface；The key（9）Installed in keyway（8-2）It is interior；The guide rod（8）Together with installed in keyway（8-2）
Interior key（9）It is securely mounted to guide rod mounting hole（1-2）It is interior, key（9）It is tightly inserted into bottom end cover keyway（1-1）It is interior, place restrictions on and lead
To bar（8）Rotate in a circumferential direction；The bottom end cover（1）Together with guide rod（8）Insert cylinder barrel（2）Bottom cylinder barrel Inner, and pass through lower spiral shell
Nail（6）And cylinder barrel（2）Bottom be connected, pass through bottom end cover sealing ring（1-6）Realize sealing；The upper end cover（3）Insert cylinder
Cylinder（2）Top cylinder barrel Inner, and pass through screwing（5）And cylinder barrel（2）Top be connected, pass through upper end cover exterior seal ring（3-
1）Realize sealing；The piston（12）And piston rod（4）Installed in cylinder barrel（2）It is interior, cylinder barrel（2）Inner chamber be divided into upper oil cavitie
（10）And lower oil cavitie（11）Two working oil chambers, installed in piston（12）Piston packing on outer circle wall（12-1）Play close
Envelope is acted on, installed in piston（12）Piston guide ring on outer circle wall（12-2）Play guide effect；Guide pad is installed（7）
Guide rod（8）Insert piston rod endoporus（4-1）It is interior, meanwhile, guide pad（7）Right-hand member insertion the right guide groove of endoporus（4-2）It is interior,
Guide pad（7）Three directions of right-hand member outer wall and the right guide groove of endoporus（4-2）Inner wall surface formation be slidably matched, guide pad
（7）Left end insertion the left guide groove of endoporus（4-3）It is interior, guide pad（7）Three directions of left end outer wall and left guide groove（4-3）'s
Inner wall surface formation is slidably matched, piston rod（4）Top run through upper end cover rod aperture（3-5）, from upper end cover rod aperture
（3-5）It is interior to stretch out, and pass through upper end cover dust ring（3-2）Realize dust-proof, pass through upper end cover inner seal ring（3-3）Realize sealing,
Pass through upper end cover guide ring（3-4）Realize and be oriented to.
2. a kind of built-in guiding oil cylinder according to claim 1, it is characterised in that：The bottom end cover（1）By screw thread and
Cylinder barrel（2）Bottom be connected.
3. a kind of built-in guiding oil cylinder according to claim 1, it is characterised in that：The upper end cover（3）By screw thread and
Cylinder barrel（2）Top be connected.
4. a kind of built-in guiding oil cylinder according to claim 1, it is characterised in that：The guide pad（7）It is shaped as rectangular
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991073.6A CN105402193B (en) | 2015-12-25 | 2015-12-25 | A kind of built-in guiding oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510991073.6A CN105402193B (en) | 2015-12-25 | 2015-12-25 | A kind of built-in guiding oil cylinder |
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| Publication Number | Publication Date |
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| CN105402193A CN105402193A (en) | 2016-03-16 |
| CN105402193B true CN105402193B (en) | 2017-09-01 |
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| CN106194886A (en) * | 2016-08-31 | 2016-12-07 | 浙江路得坦摩汽车部件股份有限公司 | A kind of piston rod seal |
| CN108562415A (en) * | 2018-04-20 | 2018-09-21 | 创坤岩土工程技术（广州）有限公司 | A kind of high-frequency vibrating table is guide locating device provided |
| CN108518382A (en) * | 2018-06-19 | 2018-09-11 | 天津隆迪伟业液压设备有限公司 | A kind of hydraulic cylinder and assemble method |
| CN109681488A (en) * | 2019-01-05 | 2019-04-26 | 叶伟强 | A kind of rapid hydraulic oil cylinder |
| CN111425477A (en) * | 2020-04-06 | 2020-07-17 | 东莞海特帕沃液压科技有限公司 | Hydraulic cylinder with buffering and self-locking functions |
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| DE2208750A1 (en) * | 1972-02-21 | 1973-08-30 | Demag Ag | Injection die-casting ejection mechanism - comprises adjustable stroke cylinder |
| CN202707671U (en) * | 2012-05-28 | 2013-01-30 | 山西高行液压股份有限公司 | Oil cylinder preventing piston rod from rotation |
| 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 |
| CN103216485B (en) * | 2013-04-09 | 2015-08-26 | 西安交通大学 | A kind ofly drive moving beam to be elevated and be the piston cylinder of oil hydraulic cylinder fuel feeding in crossbeam |
| CN103557200B (en) * | 2013-11-22 | 2016-01-06 | 徐州徐工液压件有限公司 | A kind of oil hydraulic cylinder with anti-rotation mechanism |
| CN104088848B (en) * | 2014-07-03 | 2017-02-22 | 福建海源自动化机械股份有限公司 | Anti-rotation servo oil cylinder of external displacement sensor |
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| CN105402193A (en) | 2016-03-16 |
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Effective date of registration: 20200713 Address after: Room 854, No. 888, Huanhu West 2nd Road, Nanhui new town, Pudong New Area, Shanghai 200000 Patentee after: SHANGHAI XIONGCHENG MARINE ENGINEERING CO.,LTD. Address before: 213022 Changzhou campus, Hohai University, 200 North Ling Road, Jiangsu, Changzhou Patentee before: CHANGZHOU CAMPUS OF HOHAI University |
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Denomination of invention: A built-in guide cylinder Effective date of registration: 20220107 Granted publication date: 20170901 Pledgee: Industrial Bank Co.,Ltd. Shanghai pilot Free Trade Zone Lingang New District sub branch Pledgor: SHANGHAI XIONGCHENG MARINE ENGINEERING CO.,LTD. Registration number: Y2022980000225 |
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Date of cancellation: 20230128 Granted publication date: 20170901 Pledgee: Industrial Bank Co.,Ltd. Shanghai pilot Free Trade Zone Lingang New District sub branch Pledgor: SHANGHAI XIONGCHENG MARINE ENGINEERING CO.,LTD.|SHANGHAI XIONGCHENG SHIP ENGINEERING Co.,Ltd. Registration number: Y2022980000225 |
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Denomination of invention: A built-in guide cylinder Effective date of registration: 20230201 Granted publication date: 20170901 Pledgee: Industrial Bank Co.,Ltd. Shanghai pilot Free Trade Zone Lingang New District sub branch Pledgor: SHANGHAI XIONGCHENG MARINE ENGINEERING CO.,LTD.|SHANGHAI XIONGCHENG SHIP ENGINEERING Co.,Ltd. Registration number: Y2023310000019 |
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