CN210087717U - Telescopic rotary hydraulic cylinder - Google Patents
Telescopic rotary hydraulic cylinder Download PDFInfo
- Publication number
- CN210087717U CN210087717U CN201821566946.4U CN201821566946U CN210087717U CN 210087717 U CN210087717 U CN 210087717U CN 201821566946 U CN201821566946 U CN 201821566946U CN 210087717 U CN210087717 U CN 210087717U
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- cylinder
- output shaft
- piston rod
- guide
- hydraulic cylinder
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- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 125000006850 spacer group Chemical group 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 15
- 239000011295 pitch Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 12
- 239000012530 fluid Substances 0.000 description 4
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a pneumatic cylinder of scalable rotation, relate to the pneumatic cylinder field, including flexible pneumatic cylinder and rotary mechanism, flexible pneumatic cylinder is the same with traditional pneumatic cylinder structure, drive mechanism sets up in flexible pneumatic cylinder front end, rotary mechanism includes the shell, the bearing is installed at the piston rod front end, the bearing outside is provided with the output shaft, be provided with the guide cylinder on the output shaft, it has the spiral guide way to process on the guide cylinder lateral surface, the shell passes through the screw connection with the cylinder cap and fixes, be provided with the spacer pin on the shell conch wall, the spiral guide way is inserted to the one end of spacer pin, the output shaft passes casing front end through-hole, the centre is provided. The telescopic rotary hydraulic cylinder realizes telescopic rotation at a certain angle, meets the requirements of certain specific working conditions in the actual production process, has a simple structure, runs stably, saves an additional mechanism for completing compound actions, and reduces the production cost.
Description
Technical Field
The utility model belongs to the technical field of the pneumatic cylinder and specifically relates to a but pneumatic cylinder of scalable rotation is related to
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion or swinging motion. It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The hydraulic cylinder generally comprises a cylinder barrel, a cylinder cover, a piston rod, a sealing device and the like, and can only do linear motion. However, in the actual production process, when the mechanism driven by the hydraulic cylinder moves linearly, a certain rotation action is often required, and a general processing method is to additionally arrange a rotation mechanism, wherein the hydraulic cylinder is arranged on the rotation mechanism to rotate together and complete the stretching action, so as to realize simultaneous stretching and rotation. The processing method has the defects of complex mechanism, unstable operation of the hydraulic cylinder and high manufacturing and maintenance cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a but pneumatic cylinder of scalable rotation.
The purpose of the utility model is realized through the following technical scheme:
a telescopic and rotatable hydraulic cylinder comprises a telescopic hydraulic cylinder and a rotating mechanism,
the telescopic hydraulic cylinder comprises a cylinder body, a cylinder bottom, a cylinder cover, a piston and a piston rod, wherein an oil port a is arranged on the wall of the cylinder body close to the rear end, an oil port b is arranged close to the front end, the oil port a and the oil port b are respectively communicated with a cavity in the cylinder body, the rear end of the cylinder body is fastened with the cylinder bottom through screws, a sealing ring is arranged in the middle of the cylinder body, the piston is arranged in the cylinder body, the sealing ring is arranged between the piston and the cylinder body, the piston rod and the piston are fixed in a welding mode, the cylinder cover is fastened with the front end of the cylinder body through screws, the sealing ring is arranged in the middle of the cylinder cover, a through hole is formed;
the rotary mechanism comprises a shell and a bearing, the bearing is installed at the front end of the piston rod, an output shaft is arranged on the outer side of the bearing, a guide cylinder is arranged on the output shaft, a spiral guide groove is machined in the outer side face of the guide cylinder, the shell is fixed with the cylinder cover through screw connection, a limiting pin is arranged on the wall of the shell, one end of the limiting pin is inserted into the spiral guide groove, the output shaft penetrates through a through hole in the front end of the shell, and a dustproof ring is arranged in the middle of the through hole.
Furthermore, a boss is processed at the front end of the piston rod, a threaded hole is processed at the end part of the piston rod, the bearing is installed on the boss, a stop block is further arranged at the end part of the piston rod, and the stop block is fastened with the piston rod through a screw.
Furthermore, a flange plate is arranged at the rear end of the output shaft, and the flange plate and the output shaft are fastened through screws.
Furthermore, an external thread is processed in the middle of the output shaft; an internal thread is processed inside the guide cylinder, and the guide cylinder is connected with the output shaft through a thread.
Furthermore, still include a plurality of guide cylinders, the inside processing of a plurality of guide cylinders has the internal thread, and the lateral surface is processed respectively and is had the spiral guide way of different pitches, a plurality of guide cylinders with the guide cylinder replacement uses. The guide cylinder is characterized by further comprising a plurality of guide cylinders with different specifications, internal threads are machined in the guide cylinders with different specifications, spiral guide grooves with different pitches are machined in the outer side faces of the guide cylinders, and the guide cylinders with different specifications are used in a replacement mode.
The utility model has the advantages that:
1. the telescopic rotary hydraulic cylinder is formed by connecting the telescopic hydraulic cylinder and the rotary mechanism in series, can meet the requirement of simultaneous action of telescopic action and rotary action in the actual production, has a simple structure, saves other additional mechanisms, reduces the cost and improves the economic benefit of the production process.
2. The telescopic rotary hydraulic cylinder is fixedly arranged, so that the requirement of simultaneous action of telescopic action and rotation in the actual production can be met, the hydraulic cylinder is more stable to operate, and the failure rate is reduced.
3. The telescopic rotary hydraulic cylinder comprises a plurality of guide cylinders with different screw pitches, the working condition requirements of different rotation angles during linear motion can be met, and the production cost is saved.
4. The telescopic hydraulic cylinder part of the telescopic rotary hydraulic cylinder only bears the axial direction load, so that the condition that the sealing ring is abraded due to radial stress is avoided, and the service life of the sealing ring is prolonged.
Drawings
Fig. 1 is a schematic structural view of the telescopic rotary hydraulic cylinder of the present invention;
in the figure, 1-cylinder body, 2-cylinder bottom, 3-cylinder cover, 4-piston, 5-piston rod, 6-shell, 7-flange, 8-bearing, 9-output shaft, 10-stop block, 11-guide cylinder, 12-spiral guide groove, 13-limit pin, 14-oil port a, 15-oil port b and 16-sealing ring.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1, the telescopic rotary hydraulic cylinder is composed of a telescopic hydraulic cylinder and a rotary mechanism,
the flexible pneumatic cylinder includes cylinder body 1, cylinder bottom 2, cylinder cap 3, piston 4, piston rod 5, be provided with hydraulic fluid port a14 near the rear end on the cylinder wall of cylinder body 1, be provided with hydraulic fluid port b15 near the front end, hydraulic fluid port a14 and hydraulic fluid port b15 communicate with the inside cavity of cylinder body 1 respectively, 1 rear end of cylinder body and cylinder bottom 2 pass through the screw-up, the centre is provided with the sealing washer, be provided with piston 4 in the cylinder body 1, piston 4 with be provided with sealing washer 16 between the cylinder body 1, piston rod 5 with piston 4 is fixed through the welding mode, cylinder cap 3 with 1 front end of cylinder body passes through the screw-up and is provided with the sealing washer in the centre, 3 centers of cylinder cap are opened there is the through-hole, piston rod 5 follows pass in the through-hole, the centre. The operation principle of the telescopic hydraulic cylinder is the same as that of the traditional hydraulic cylinder: when high-pressure hydraulic oil flows into a rodless cavity in the cylinder body through the oil port a14, the piston 4 and the piston rod 5 extend forwards, and hydraulic oil in the rod cavity flows into an oil return pipeline through the oil port b 15; when high-pressure hydraulic oil flows in through the oil port b15 and has a rod cavity, the piston 4 and the piston rod 5 retract backwards, and the rodless cavity hydraulic oil flows into an oil return pipeline through the oil port a 14.
Rotary mechanism includes shell 6, bearing 8 is installed 5 front ends of piston rod, the bearing 8 outside is provided with output shaft 9, be provided with guide cylinder 11 on the output shaft 9, processing has spiral guide way 12 on the 11 lateral surfaces of guide cylinder, shell 6 with cylinder cap 3 passes through the screw connection fixed, be provided with spacer pin 13 on the shell 6 conch wall, in spiral guide way 12 was inserted to the one end of spacer pin 13, output shaft 9 passed 6 front end through-holes of shell, the centre is provided with the dust ring. When the telescopic rotary hydraulic cylinder works, the output shaft 9 can move back and forth along with the piston rod 5 to complete telescopic action; on the other hand, the rotation of a certain angle is realized by the combined action of the spiral guide groove 12 and the stopper pin 13.
The front end of the piston rod 5 is provided with a boss, the end part of the piston rod is provided with a threaded hole, the bearing 8 is arranged on the boss, the end part of the piston rod 5 is also provided with a stop block 10, and the stop block 10 is fastened with the piston rod 5 through screws. And a flange 7 is arranged at the rear end of the output shaft 9, and the flange 7 and the output shaft 9 are fastened through screws. Under the action of the bearing 8, the flange 7 and the stop block 10, when the output shaft 9 completes the composite action of stretching and rotating, the piston rod 5 still only does linear reciprocating motion and is still only acted by axial force, thereby ensuring the stable operation of the telescopic hydraulic cylinder and avoiding the abrasion of the inner sealing ring 16 thereof.
The middle part of the output shaft 9 is provided with an external thread; an internal thread is processed inside the guide cylinder 11, and the guide cylinder 11 is connected with the output shaft 9 through a thread. The telescopic rotary hydraulic cylinder also comprises a plurality of guide cylinders with different specifications, and can be replaced with the guide cylinder 11 for use. All guide cylinders are consistent in size, internal threads are machined in the guide cylinders, and only the outer side faces of the guide cylinders are respectively machined with spiral guide grooves with different screw pitches. Through the outfit of different specification guide cylinders, can realize that one set of this flexible rotary hydraulic cylinder can satisfy the operating mode needs to different rotation angles when linear motion, practiced thrift manufacturing cost.
The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (5)
1. A telescopic and rotatable hydraulic cylinder is characterized by comprising a telescopic hydraulic cylinder and a rotating mechanism,
the telescopic hydraulic cylinder comprises a cylinder body (1), a cylinder bottom (2), a cylinder cover (3), a piston (4) and a piston rod (5), wherein an oil port a (14) is arranged on the cylinder wall of the cylinder body (1) close to the rear end, an oil port b (15) is arranged close to the front end, the oil port a (14) and the oil port b (15) are respectively communicated with an inner cavity of the cylinder body (1), the rear end of the cylinder body (1) is fastened with the cylinder bottom (2) through screws, a sealing ring is arranged in the middle of the cylinder body, the piston (4) is arranged in the cylinder body (1), a sealing ring (16) is arranged between the piston (4) and the cylinder body (1), the piston rod (5) is fixed with the piston (4) in a welding mode, the cylinder cover (3) is fastened with the front end of the cylinder body (1) through screws, the sealing ring is arranged, the piston rod (5) penetrates through the through hole, and a sealing ring (16) is arranged in the middle of the piston rod;
rotary mechanism includes shell (6), bearing (8), install bearing (8) piston rod (5) front end, the bearing (8) outside is provided with output shaft (9), be provided with guide cylinder (11) on output shaft (9), processing has spiral guide way (12) on guide cylinder (11) lateral surface, shell (6) with cylinder cap (3) are fixed through the screw connection, be provided with spacer pin (13) on shell (6) conch wall, the one end of spacer pin (13) is inserted in spiral guide way (12), output shaft (9) are passed shell (6) front end through-hole, the centre is provided with the dust ring.
2. A telescopic and rotatable hydraulic cylinder according to claim 1, characterized in that a boss is formed at the front end of the piston rod (5), a threaded hole is formed at the end of the piston rod, the bearing (8) is mounted on the boss, a stopper (10) is further arranged at the end of the piston rod (5), and the stopper (10) is fastened with the piston rod (5) through a screw.
3. A telescopically rotatable hydraulic cylinder according to claim 1, wherein a flange (7) is provided at the rear end of the output shaft (9), and the flange (7) is fastened to the output shaft (9) by screws.
4. A telescopically rotatable hydraulic cylinder according to claim 3, wherein the output shaft (9) is externally threaded in the middle; the inner part of the guide cylinder (11) is provided with internal threads, and the guide cylinder (11) is connected with the output shaft (9) through threads.
5. The telescopic and rotatable hydraulic cylinder as claimed in claim 1, further comprising a plurality of guide cylinders with different specifications, wherein internal threads are formed inside the plurality of guide cylinders with different specifications, spiral guide grooves with different pitches are formed on the outer side surfaces of the plurality of guide cylinders with different specifications, and the plurality of guide cylinders with different specifications are used in replacement with the guide cylinder (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821566946.4U CN210087717U (en) | 2018-09-26 | 2018-09-26 | Telescopic rotary hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821566946.4U CN210087717U (en) | 2018-09-26 | 2018-09-26 | Telescopic rotary hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087717U true CN210087717U (en) | 2020-02-18 |
Family
ID=69469467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821566946.4U Expired - Fee Related CN210087717U (en) | 2018-09-26 | 2018-09-26 | Telescopic rotary hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210087717U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111219379A (en) * | 2020-02-27 | 2020-06-02 | 徐州工程学院 | Plunger rod rotary type plunger hydraulic cylinder for construction machinery |
| CN112922920A (en) * | 2021-04-02 | 2021-06-08 | 大连理工大学 | Compact type swing hydraulic cylinder and use method thereof |
| CN114060585A (en) * | 2020-08-03 | 2022-02-18 | 现代自动车株式会社 | Fuel tank isolation solenoid valve for vehicle |
| CN115750514A (en) * | 2022-10-26 | 2023-03-07 | 扬州旭欣气动液压设备有限公司 | A rotary telescopic integrated hydraulic cylinder |
| CN116750361A (en) * | 2023-07-17 | 2023-09-15 | 中国兵器工业集团江山重工研究院有限公司 | Support mechanism for containers and container |
-
2018
- 2018-09-26 CN CN201821566946.4U patent/CN210087717U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111219379A (en) * | 2020-02-27 | 2020-06-02 | 徐州工程学院 | Plunger rod rotary type plunger hydraulic cylinder for construction machinery |
| CN114060585A (en) * | 2020-08-03 | 2022-02-18 | 现代自动车株式会社 | Fuel tank isolation solenoid valve for vehicle |
| CN112922920A (en) * | 2021-04-02 | 2021-06-08 | 大连理工大学 | Compact type swing hydraulic cylinder and use method thereof |
| CN115750514A (en) * | 2022-10-26 | 2023-03-07 | 扬州旭欣气动液压设备有限公司 | A rotary telescopic integrated hydraulic cylinder |
| CN116750361A (en) * | 2023-07-17 | 2023-09-15 | 中国兵器工业集团江山重工研究院有限公司 | Support mechanism for containers and container |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 Termination date: 20210926 |
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| CF01 | Termination of patent right due to non-payment of annual fee |