CN217582675U - Multi-action thrust cylinder - Google Patents
Multi-action thrust cylinder Download PDFInfo
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- CN217582675U CN217582675U CN202221092548.XU CN202221092548U CN217582675U CN 217582675 U CN217582675 U CN 217582675U CN 202221092548 U CN202221092548 U CN 202221092548U CN 217582675 U CN217582675 U CN 217582675U
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Abstract
The utility model discloses a multiaction thrust cylinder, the hydraulic cylinder comprises a cylinder, first piston bush, left cylinder cap, right cylinder cap and first piston rod, left cylinder cap is fixed in cylinder one end through first locking screw, right cylinder cap is fixed in the cylinder other end through second locking screw, first piston bush activity sets up in the cylinder, first piston bush and first piston rod fixed connection, first piston rod one end runs through left cylinder cap, the fixed second piston rod that is equipped with of first piston bush one end, second piston rod one end runs through right cylinder cap, be equipped with first movable seal subassembly between first piston bush and cylinder, be provided with first hydraulic fluid port and second hydraulic fluid port on the cylinder, first hydraulic fluid port and second hydraulic fluid port set up in first piston bush both sides, first piston rod one end is provided with first seal cover, first seal cover passes through screw thread fixed connection with first piston rod, second piston rod one end is provided with the second seal cover, the second seal cover passes through screw thread fixed connection with the second piston rod. The problems of poor applicability and single function of the oil cylinder are solved.
Description
Technical Field
The utility model relates to a hydraulic cylinder field especially relates to a multiaction thrust cylinder.
Background
The hydraulic oil cylinder is an actuating element in engineering hydraulic machinery, and a piston rod extends out of only one end of a common hydraulic oil cylinder, because of the relation of effective acting areas, the effective acting area of a piston cavity is larger than that of the piston rod cavity, and the extension speed and the retraction speed are generally slow. This situation does not meet the operational requirements of the mechanical equipment. In order to meet the requirements of engineering mechanical equipment, designers usually need to adopt a plurality of hydraulic oil cylinders for layout, so that the cost is increased, the layout design is complex, and the maintenance is inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multiaction propulsion cylinder to solve the problem that current hydro-cylinder suitability is poor, the function is single.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a multiaction propulsion cylinder, includes cylinder, first piston bush, left cylinder cap, right cylinder cap and first piston rod, left side cylinder cap is fixed in cylinder one end through first locking screw, right side cylinder cap is fixed in the cylinder other end through second locking screw, first piston bush activity sets up in the cylinder, first piston bush and first piston rod fixed connection, first piston rod one end runs through the left cylinder cap setting, the fixed second piston rod that is provided with of first piston bush one end, second piston rod one end runs through right cylinder cap setting, be provided with first movable seal subassembly between first piston bush and the cylinder, be provided with first hydraulic fluid port and second hydraulic fluid port on the cylinder, first hydraulic fluid port and second hydraulic fluid port set up in first piston bush both sides, first piston rod end is provided with first seal cover, first seal cover passes through screw thread fixed connection with first piston rod, second piston rod stretches out the end and is provided with the second seal cover, the second seal cover stretches out through screw thread fixed connection with the second piston rod.
As a further improvement of the above technical solution:
the movable sealing device is characterized in that a third piston rod is movably arranged in the first sealing sleeve, a second movable sealing assembly is arranged between the first sealing sleeve and the third piston rod, a second piston sleeve is arranged at one end of the third piston rod, the second piston sleeve is movably arranged in the first piston rod, a third movable sealing assembly is arranged between the second piston sleeve and the first piston rod, a fourth piston rod is movably arranged on the second sealing sleeve, a fourth movable sealing assembly is arranged between the second sealing sleeve and the fourth piston rod, and the fourth piston rod is connected with the second piston sleeve.
The fourth piston rod is fixedly connected with the second piston sleeve through a third locking screw, one end of the third piston rod is provided with a third oil port, the other end of the third piston rod is provided with a first oil outlet, a first oil duct is arranged inside the third piston rod, the first oil duct communicates the first oil outlet with the third oil port, one end of the fourth piston rod is provided with a fourth oil port, the other end of the fourth piston rod is provided with a second oil outlet, a second oil duct is arranged inside the fourth piston rod, and the second oil outlet is communicated with the fourth oil port through the second oil duct.
An oil collecting cavity is arranged on the cylinder barrel and is respectively connected with the first oil port and the second oil port through oil pipes.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a multiaction propulsion cylinder is through setting up multistage cylinder liner for its application scope enlarges, can guarantee its steady operation when operation in jacking equipment, and two-way motion has increased working stroke, has solved the problem that current hydro-cylinder suitability is poor, the function singleness.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the local structure of the present invention.
Reference numerals: 1. a cylinder barrel; 11. a first oil port; 12. a second oil port; 13. an oil collecting cavity; 14. an oil pipe; 21. a first piston sleeve; 22. a second piston sleeve; 3. a left cylinder cover; 31. a first locking screw; 4. a right cylinder cover; 41. a second locking screw; 51. a first piston rod; 52. a second piston rod; 53. a third piston rod; 531. a third oil port; 532. a first oil outlet; 533. a first oil passage; 54. a fourth piston rod; 540. a third locking screw; 541. a fourth oil port; 542. a second oil outlet; 543. a second oil passage; 61. a first seal cartridge; 62. a second seal cartridge; 71. a first movable seal assembly; 72. a second movable seal assembly; 73. a third movable seal assembly; 74. and a fourth movable seal assembly.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and fig. 2, the multi-acting thrust cylinder of this embodiment includes a cylinder barrel 1, a first piston sleeve 21, a left cylinder cover 3, a right cylinder cover 4 and a first piston rod 51, the left cylinder cover 3 is fixed at one end of the cylinder barrel 1 through a first locking screw 31, the right cylinder cover 4 is fixed at the other end of the cylinder barrel 1 through a second locking screw 41, the first piston sleeve 21 is movably disposed in the cylinder barrel 1, the first piston sleeve 21 is fixedly connected with the first piston rod 51, one end of the first piston rod 51 penetrates through the left cylinder cover 3, one end of the first piston sleeve 21 is fixedly provided with a second piston rod 52, one end of the second piston rod 52 penetrates through the right cylinder cover 4, a first movable sealing assembly 71 is disposed between the first piston sleeve 21 and the cylinder barrel 1, the cylinder barrel 1 is provided with a first oil port 11 and a second oil port 12, the first oil port 11 and the second oil port 12 are disposed at two sides of the first piston sleeve 21, the first piston rod 51 end is provided with a first sealing sleeve 61, the first sealing sleeve 61 is fixedly connected with the first piston rod 51 through a thread, the second piston rod 52 extends out end, and a second sealing sleeve 62 is disposed, and the second sealing sleeve 62 is fixedly connected with the second piston rod 52.
A third piston rod 53 is movably arranged in the first sealing sleeve 61, a second movable sealing assembly 72 is arranged between the first sealing sleeve 61 and the third piston rod 53, a second piston sleeve 22 is arranged at one end of the third piston rod 53, the second piston sleeve 22 is movably arranged in the first piston rod 51, a third movable sealing assembly 73 is arranged between the second piston sleeve 22 and the first piston rod 51, a fourth piston rod 54 is movably arranged on the second sealing sleeve 62, a fourth movable sealing assembly 74 is arranged between the second sealing sleeve 62 and the fourth piston rod 54, and the fourth piston rod 54 is connected with the second piston sleeve 22.
The fourth piston rod 54 is fixedly connected with the second piston sleeve 22 through a third locking screw 540, one end of the third piston rod 53 is provided with a third oil port 531, the other end of the third piston rod is provided with a first oil outlet 532, a first oil passage 533 is arranged inside the third piston rod, the first oil passage 533 is used for communicating the first oil outlet 532 with the third oil port 531, one end of the fourth piston rod 54 is provided with a fourth oil port 541, the other end of the fourth piston rod is provided with a second oil outlet 542, a second oil passage 543 is arranged inside the fourth piston rod, and the second oil outlet 542 is communicated with the fourth oil port 541 through the second oil passage 543.
An oil collecting cavity 13 is arranged on the cylinder barrel 1, and the oil collecting cavity 13 is respectively connected with the first oil port 11 and the second oil port 12 through an oil pipe 14.
During the use, through to first hydraulic fluid port 11 and second hydraulic fluid port 12, carry out the oil feed and make the relative cylinder 1 motion of first piston rod 51, be similar to traditional double-end hydraulic cylinder theory of operation, in the process through to third hydraulic fluid port 531 and fourth hydraulic fluid port 541 fuel feed, make third piston rod 53 for first piston rod 51 motion, multi-stage motion, fix third piston rod 53 and fourth piston rod 54 as the guide bar, make one-level cylinder liner (first piston rod 51 and second piston rod 52) and second grade cylinder liner (cylinder 1) motion, also all the other structures of fixable, realize different movements, then realize the multi-functional motion of this equipment.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the schemes is not described herein. It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (4)
1. The utility model provides a multiaction thrust cylinder, includes cylinder (1), first piston bush (21), left cylinder cap (3), right cylinder cap (4) and first piston rod (51), cylinder (1) one end is fixed in through first locking screw (31) in left side cylinder cap (3), the right side cylinder cap (4) is fixed in cylinder (1) the other end through second locking screw (41), first piston bush (21) activity sets up in cylinder (1), first piston bush (21) and first piston rod (51) fixed connection, left cylinder cap (3) setting is run through to first piston rod (51) one end, its characterized in that: the hydraulic cylinder is characterized in that a second piston rod (52) is fixedly arranged at one end of the first piston sleeve (21), one end of the second piston rod (52) penetrates through the right cylinder cover (4), a first movable sealing assembly (71) is arranged between the first piston sleeve (21) and the cylinder barrel (1), a first oil port (11) and a second oil port (12) are arranged on the cylinder barrel (1), the first oil port (11) and the second oil port (12) are arranged on two sides of the first piston sleeve (21), a first sealing sleeve (61) is arranged at the extending end of the first piston rod (51), the first sealing sleeve (61) is fixedly connected with the first piston rod (51) through threads, a second sealing sleeve (62) is arranged at the extending end of the second piston rod (52), and the second sealing sleeve (62) is fixedly connected with the second piston rod (52) through threads.
2. A multi-acting thrust cylinder as claimed in claim 1, wherein: the movable sealing device is characterized in that a third piston rod (53) is movably arranged in the first sealing sleeve (61), a second movable sealing assembly (72) is arranged between the first sealing sleeve (61) and the third piston rod (53), a second piston sleeve (22) is arranged at one end of the third piston rod (53), the second piston sleeve (22) is movably arranged in the first piston rod (51), a third movable sealing assembly (73) is arranged between the second piston sleeve (22) and the first piston rod (51), a fourth piston rod (54) is movably arranged on the second sealing sleeve (62), a fourth movable sealing assembly (74) is arranged between the second sealing sleeve (62) and the fourth piston rod (54), and the fourth piston rod (54) is connected with the second piston sleeve (22).
3. A multi-acting thrust cylinder as claimed in claim 2, wherein: the fourth piston rod (54) is fixedly connected with the second piston sleeve (22) through a third locking screw (540), one end of the third piston rod (53) is provided with a third oil port (531), the other end of the third piston rod is provided with a first oil outlet (532), a first oil channel (533) is arranged in the third piston rod, the first oil port (532) and the third oil port (531) are communicated through the first oil channel (533), one end of the fourth piston rod (54) is provided with a fourth oil port (541), the other end of the fourth piston rod is provided with a second oil outlet (542), a second oil channel (543) is arranged in the fourth piston rod, and the second oil outlet (542) and the fourth oil port (541) are communicated through the second oil channel (543).
4. A multi-acting thrust cylinder as claimed in claim 3, wherein: an oil collecting cavity (13) is arranged on the cylinder barrel (1), and the oil collecting cavity (13) is respectively connected with the first oil port (11) and the second oil port (12) through an oil pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221092548.XU CN217582675U (en) | 2022-05-09 | 2022-05-09 | Multi-action thrust cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221092548.XU CN217582675U (en) | 2022-05-09 | 2022-05-09 | Multi-action thrust cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217582675U true CN217582675U (en) | 2022-10-14 |
Family
ID=83550679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221092548.XU Active CN217582675U (en) | 2022-05-09 | 2022-05-09 | Multi-action thrust cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217582675U (en) |
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2022
- 2022-05-09 CN CN202221092548.XU patent/CN217582675U/en active Active
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