CN220302452U - Telescopic rotary hydraulic cylinder - Google Patents
Telescopic rotary hydraulic cylinder Download PDFInfo
- Publication number
- CN220302452U CN220302452U CN202321760800.4U CN202321760800U CN220302452U CN 220302452 U CN220302452 U CN 220302452U CN 202321760800 U CN202321760800 U CN 202321760800U CN 220302452 U CN220302452 U CN 220302452U
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- China
- Prior art keywords
- screw rod
- flange seat
- rod
- screw
- hydraulic cylinder
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- 238000000034 method Methods 0.000 abstract description 27
- 239000003921 oil Substances 0.000 description 20
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Actuator (AREA)
Abstract
The utility model relates to the technical field of hydraulic cylinders, in particular to a telescopic rotary hydraulic cylinder which comprises a cylinder body and a screw rod, wherein a piston rod is fixedly arranged at the output end of the cylinder body, the surface of the piston rod is rotationally connected with the screw rod, and a flange seat is sleeved on the outer surface of the screw rod. According to the utility model, due to the structures such as the flange seat, the guide rod and the linear bearing, and the like, the flange seat drives the screw rod to rotate in the lifting process of the screw rod due to the fact that the screw thread matching relation parameters of the flange seat and the screw rod are consistent, the flange seat limits the screw rod in the lifting process, the strength between the screw rod and the shell is higher due to the design of the flange seat, the guide rod is connected with the flange seat through the linear bearing, the guide rod limits the screw rod under the action of the linear bearing in the lifting process of the screw rod, and further the dislocation and the deviation of the screw rod in the lifting process are prevented.
Description
Technical Field
The utility model relates to the technical field of hydraulic cylinders, in particular to a telescopic rotary hydraulic cylinder.
Background
The hydraulic cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). The device has simple structure and reliable operation. When it is used to realize reciprocating motion, it can eliminate speed reducer, and has no transmission clearance and smooth motion, so that it can be widely used in hydraulic systems of various machines. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between two sides of the effective area of the piston; the hydraulic cylinder basically consists of a cylinder barrel, a cylinder cover, a piston rod, a sealing device, a buffer device and an exhaust device. The buffer device and the exhaust device are necessary for other devices depending on the specific application. Publication number CN209025910U discloses a flexible rotary type pneumatic cylinder, the on-line screen storage device comprises a base, the upper end of base is fixed and is equipped with the pneumatic cylinder, the upper end of base is located the outside fixed protecting crust that is equipped with of pneumatic cylinder, the piston rod end fixed of pneumatic cylinder is equipped with the movable block, the vertical rotation in upper end of movable block is connected with the screw rod, first screw hole has been seted up to the upper end of protecting crust, the wall of pole of screw rod passes through first screw hole and protecting crust threaded connection and the outside that the upper end extends to the protecting crust, the below of base is equipped with L shape backup pad, T shape spout has transversely been seted up to the horizontal part upper end of L shape backup pad, the inside sliding connection of T shape spout has T shape slider, the upper end fixedly connected with splint of T shape slider, the base is located between L shape backup pad and the splint, base passes through bolt and nut and L shape backup pad and splint fastening connection. The telescopic rotary hydraulic cylinder mainly drives the screw rod through the hydraulic cylinder to rotate in the lifting process of the mounting plate in the use process, and the screw rod is connected with the protective shell through the rolling bearing in the lifting process.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a telescopic rotary hydraulic cylinder.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a flexible rotary type pneumatic cylinder, includes cylinder body and screw rod, the lower fixed surface of cylinder body installs the base, the surface fixed mounting of cylinder body has the shell, the output fixed mounting of cylinder body has the piston rod, the surface rotation of piston rod is connected with the screw rod, the surface cover of screw rod is equipped with the flange seat.
In order to enable the installation seat to rotate in the lifting process of the screw rod, the utility model is improved in that the installation seat is fixedly installed at one end of the screw rod, the screw rod is connected with the shell through the flange seat, and threads are arranged on the inner surface of the flange seat.
In order to fix the rotating shaft between the screw rod and the piston rod, the utility model is improved in that the rotating shaft is fixedly arranged on the upper surface of the piston rod, the screw rod is connected with the piston rod through the rotating shaft, and a fixing screw is inserted on the surface of the rotating shaft.
In order to enable the guide rod to guide and limit the screw rod, the utility model is improved in that the surface of the flange seat is fixedly provided with a linear bearing, and the surface of the rotating shaft is fixedly provided with the guide rod.
In order to improve stability in the lifting process of the screw, the utility model is improved in that the flange seat is connected with the guide rod through the guide post and the linear bearing, and the number of the guide rod is four.
In order to facilitate the lubrication of the screw by a user, the utility model is improved in that oil holes are formed in the surfaces of the mounting seat and the screw, oil outlet holes are formed in the surface of the screw, and the number of the oil outlet holes is four.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. in the utility model, the flange seat, the guide rod, the linear bearing and other structures are arranged, so that the stability and the firmness of the screw rod in the lifting process are improved, the special limiting structure is designed for the hydraulic cylinder, the flange seat is designed at the joint of the shell and the screw rod, and the screw rod is driven to rotate by the flange seat in the lifting process of the screw rod due to the fact that the screw thread matching relation parameters of the flange seat and the screw rod are consistent, the screw rod is limited by the flange seat in the lifting process of the screw rod, the strength between the screw rod and the shell is higher due to the design of the flange seat, the guide rod is further designed on the upper surface of the rotating shaft, the guide rod is connected with the flange seat through the linear bearing, the guide rod limits the screw rod under the action of the linear bearing in the lifting process of the screw rod, and further dislocation and deviation of the screw rod in the lifting process are prevented, and the hydraulic cylinder has higher stability in the running process.
2. In the utility model, by arranging the structures such as the oil filling hole, the oil outlet hole and the like, in order to facilitate a user to lubricate the screw, the hydraulic cylinder is provided with a special lubrication structure, the oil filling hole is positioned at the center of the screw, the user can inject lubricating oil into the oil filling hole, the lubricating oil in the oil filling hole can be automatically thrown out and then flows out through the oil outlet hole in the rotating process of the screw, and the oil outlet hole is uniformly distributed on the outer surface of the screw, so that a uniform lubrication effect can be realized in the rotating process of the screw.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a telescopic rotary hydraulic cylinder according to the present utility model;
FIG. 2 is an exploded view of a telescopic rotary hydraulic cylinder according to the present utility model;
FIG. 3 is an enlarged view of a flange seat and screw of a telescopic rotary hydraulic cylinder according to the present utility model;
fig. 4 is a cross-sectional view of a screw and a mounting seat of a telescopic rotary hydraulic cylinder according to the present utility model.
Legend description:
1. a base; 2. a housing; 3. a cylinder; 4. a piston rod; 5. a rotating shaft; 6. a screw; 7. a mounting base; 8. a flange seat; 9. a guide rod; 10. a linear bearing; 11. a set screw; 12. an oil filling hole; 13. and an oil outlet.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a flexible rotation type pneumatic cylinder, including cylinder body 3 and screw rod 6, the lower fixed surface of cylinder body 3 installs base 1, the surface fixed mounting of cylinder body 3 has shell 2, the output fixed mounting of cylinder body 3 has piston rod 4, the surface rotation of piston rod 4 is connected with screw rod 6, the surface cover of screw rod 6 is equipped with flange seat 8, because the screw thread cooperation relation parameter of flange seat 8 and screw rod 6 is unanimous, so can order about screw rod 6 to take place to rotate at screw rod 6 in-process flange seat 8, can carry out spacingly to screw rod 6 at this in-process flange seat 8, the intensity between screw rod 6 and the shell 2 can be higher in the design of flange seat 8 moreover.
Referring to fig. 1-3, an installation seat 7 is fixedly installed at one end of a screw rod 6, the screw rod 6 is connected with a shell 2 through a flange seat 8, threads are arranged on the inner surface of the flange seat 8, a rotating shaft 5 is fixedly installed on the upper surface of a piston rod 4, the screw rod 6 is connected with the piston rod 4 through the rotating shaft 5, a fixing screw 11 is inserted into the surface of the rotating shaft 5, a linear bearing 10 is fixedly installed on the surface of the flange seat 8, guide rods 9 are fixedly installed on the surface of the rotating shaft 5, the flange seat 8 and the guide rods 9 are connected through guide posts and the linear bearing 10, the guide rods 9 are four groups, the guide rods 9 are connected with the flange seat 8 through the linear bearing 10, the guide rods 9 limit the screw rod 6 under the action of the linear bearing 10 in the lifting process of the screw rod 6, and further dislocation and deviation of the screw rod 6 in the lifting process are prevented, and the design enables the hydraulic cylinder to have higher stability in the running process.
Example two
Referring to fig. 3 and 4, oil holes 12 are formed in the surfaces of the mounting seat 7 and the screw rod 6, oil holes 13 are formed in the surface of the screw rod 6, the number of the oil holes 13 is four, the oil holes 12 are located at the center of the screw rod 6, a user can inject lubricating oil into the oil holes 12, the lubricating oil in the oil holes 12 can be automatically thrown out during the rotation of the screw rod 6 and then flows out through the oil holes 13, and the oil holes 13 are uniformly distributed on the outer surface of the screw rod 6, so that a uniform lubricating effect can be realized during the rotation of the screw rod 6.
Working principle: when the hydraulic cylinder is used, the piston rod 4 can drive the screw rod 6 to lift after the cylinder body 3 is started, the screw rod 6 can freely rotate on the surface of the piston rod 4 due to the fact that the screw rod 6 is connected with the piston rod 4 through the rotating shaft 5, in the lifting process of the screw rod 6, the guide rod 9 is further designed on the upper surface of the rotating shaft 5 due to the fact that the surface of the screw rod 6 is in threaded fit with the surface of the flange seat 8, the mounting seat 7 rotates in the lifting process of the screw rod 6, the flange seat 8 is designed at the joint of the shell 2 and the screw rod 6, due to the fact that the threaded fit relation parameters of the flange seat 8 and the screw rod 6 are consistent, the flange seat 8 can drive the screw rod 6 to rotate in the lifting process of the screw rod 6, in addition, the flange seat 8 can enable the strength between the screw rod 6 and the shell 2 to be higher, the guide rod 9 is further designed on the upper surface of the rotating shaft 5, the guide rod 9 is connected with the flange seat 8 through the linear bearing 10, the guide rod 9 can limit the screw rod 6 under the action of the linear bearing 10 in the lifting process, and further the phenomenon that the screw rod 6 is prevented from dislocation and offset in the lifting process is more stable in the hydraulic cylinder.
The present utility model is not limited to the above embodiments, and any equivalent embodiments which can be changed or modified by the technical disclosure described above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above embodiments according to the technical matter of the present utility model will still fall within the scope of the technical disclosure.
Claims (6)
1. The utility model provides a flexible rotary type pneumatic cylinder, includes cylinder body (3) and screw rod (6), its characterized in that: the novel cylinder is characterized in that a base (1) is fixedly arranged on the lower surface of the cylinder body (3), a shell (2) is fixedly arranged on the outer surface of the cylinder body (3), a piston rod (4) is fixedly arranged at the output end of the cylinder body (3), a screw rod (6) is rotatably connected to the surface of the piston rod (4), and a flange seat (8) is sleeved on the outer surface of the screw rod (6).
2. The telescopic rotary hydraulic cylinder according to claim 1, wherein: one end of the screw rod (6) is fixedly provided with a mounting seat (7), the screw rod (6) is connected with the shell (2) through a flange seat (8), and the inner surface of the flange seat (8) is provided with threads.
3. The telescopic rotary hydraulic cylinder according to claim 1, wherein: the upper surface of piston rod (4) is fixedly provided with pivot (5), be connected through pivot (5) between screw rod (6) and piston rod (4), the surface of pivot (5) is inserted and is equipped with fixed screw (11).
4. A telescopic rotary hydraulic cylinder according to claim 3, wherein: the surface of the flange seat (8) is fixedly provided with a linear bearing (10), and the surface of the rotating shaft (5) is fixedly provided with a guide rod (9).
5. The telescopic rotary hydraulic cylinder according to claim 4, wherein: the flange seat (8) is connected with the guide rods (9) through guide posts and linear bearings (10), and the number of the guide rods (9) is four.
6. The telescopic rotary hydraulic cylinder according to claim 2, wherein: oil holes (12) are formed in the surfaces of the mounting seat (7) and the screw (6), oil outlet holes (13) are formed in the surface of the screw (6), and the number of the oil outlet holes (13) is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321760800.4U CN220302452U (en) | 2023-07-06 | 2023-07-06 | Telescopic rotary hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321760800.4U CN220302452U (en) | 2023-07-06 | 2023-07-06 | Telescopic rotary hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302452U true CN220302452U (en) | 2024-01-05 |
Family
ID=89351804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321760800.4U Active CN220302452U (en) | 2023-07-06 | 2023-07-06 | Telescopic rotary hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302452U (en) |
-
2023
- 2023-07-06 CN CN202321760800.4U patent/CN220302452U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A telescopic rotary hydraulic cylinder Granted publication date: 20240105 Pledgee: Agricultural Bank of China Limited Shaoguan Wujiang Sub branch Pledgor: SHAOGUAN BOSHILE HYDRAULIC MACHINERY MANUFACTURING Co.,Ltd. Registration number: Y2024980008318 |