CN216589392U - Compact double-acting oil cylinder with double-piston structure - Google Patents
Compact double-acting oil cylinder with double-piston structure Download PDFInfo
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- CN216589392U CN216589392U CN202220123457.1U CN202220123457U CN216589392U CN 216589392 U CN216589392 U CN 216589392U CN 202220123457 U CN202220123457 U CN 202220123457U CN 216589392 U CN216589392 U CN 216589392U
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Abstract
The utility model discloses a compact double-acting oil cylinder with a double-piston structure, which comprises: the piston assembly comprises a cylinder body, oil nozzles, a plug body, movable rods and a cylinder cover, wherein the cylinder cover is arranged at the opening end of the cylinder body, the movable rods penetrate through the cylinder cover, one end of each movable rod is arranged in the cylinder body in a sliding mode, the two oil nozzles are fixedly connected to the side edge of the cylinder body and communicated with the interior of the cylinder body, and the plug body is fixedly sleeved at one end, located at the cylinder body, of the movable rod and arranged in the cylinder body; the buffer assembly comprises a buffer spring, an impact sheet and a sealing support ring, the buffer spring is fixedly connected inside one side of the tank body away from the opening end, the impact sheet is fixedly connected at the end part of the buffer spring, the sealing support ring is sleeved on the movable rod, and the end part of the sealing support ring is fixed at the side end of the cylinder cover. In the moving process of the piston, the multi-direction buffering effect can be performed on the plug body, so that the impact abrasion of the plug body is reduced, and the service life of the plug body is prolonged.
Description
Technical Field
The utility model relates to the technical field of oil cylinder structures, in particular to a compact double-acting oil cylinder with a double-piston structure.
Background
The double-acting oil cylinder is a hydraulic cylinder capable of inputting pressure oil from two sides of a piston. The actuator of a double-acting cylinder is the main output device of a hydraulic motion system, and although the size, type and design structure of the actuator are different, the actuator is usually the most observable part. These actuators convert fluid pressure into a rapid, controllable linear motion or force to drive a load.
Because both sides all can carry out the hydraulic pressure effect, can cause great squeezing action to inside piston assembly at the in-process of operation, the protection to the piston of not having of current double-acting hydro-cylinder leads to the piston part to take place often and damages, leads to the work efficiency of hydro-cylinder low, the extravagant time is restoreed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that the prior double-acting oil cylinder has no protection on a piston, so that the piston part is frequently damaged, the working efficiency of the oil cylinder is low, and the time is wasted in repairing, and the problem that a piston assembly in the prior double-acting oil cylinder has a large extrusion effect in the operation process is solved.
In order to achieve the purpose, the utility model adopts the following technical scheme:
A compact double-acting cylinder of double-piston structure, comprising:
the oil nozzle comprises a piston assembly, a piston assembly and a valve body, wherein the piston assembly comprises a cylinder body, oil nozzles, a plug body, movable rods and a cylinder cover, the cylinder cover is arranged at the opening end of the cylinder body, the movable rods hermetically penetrate through the cylinder cover, one end of each movable rod is arranged in the cylinder body in a sliding mode, the two oil nozzles are fixedly connected to the side edges of the cylinder body and communicated with the interior of the cylinder body, the plug body is fixedly sleeved at one end of each movable rod, which is positioned in the cylinder body, and the plug body is arranged in the cylinder body in a sealing and sliding mode;
the external component is used for connecting the two piston components and is connected with an external rod body;
the buffer assembly comprises a buffer spring, an impact sheet and a sealing support ring, the buffer spring is fixedly connected inside one side of the tank body away from the opening end, the impact sheet is fixedly connected at the end part of the buffer spring, the sealing support ring is sleeved on the movable rod, and the end part of the sealing support ring is fixed at the side end of the cylinder cover.
Preferably, external subassembly includes cylinder bottom earrings and rod end earrings, the connection of cylinder bottom earrings is kept away from the one end of open end at two cylinder bodies, connects two cylinder bodies as an organic whole, two rod end earrings fixed connection is in the one end that the movable rod is located the cylinder body outside.
Preferably, a sealing element is fixedly mounted between the cylinder cover and the plug body and used for improving the sealing performance of the oil cylinder.
Preferably, one end of the movable rod, which is located inside the cylinder body, is connected with a locking nut through threads and is used for limiting the position of the plug body.
Preferably, the impact sheet is made of a corrosion-resistant elastic material and is in sliding sealing contact with the inner wall of the tank body.
Preferably, the density support ring is made of corrosion-resistant elastic materials, and two sides of the density support ring are respectively contacted with the movable rod and the inner wall of the cylinder body.
Compared with the prior art, the utility model has the beneficial effects that:
in the working process, oil is guided into and out of the cylinder body through the oil nozzle, so that the piston body is driven to move outside, in order to prolong the service life of the piston body, the piston body is impacted and buffered in the moving process of the piston body, the piston body moving inwards can be contacted with an impacting sheet before the impacting sheet, the impacting force is buffered through the contact of a buffer spring, and when the piston body moves outwards, the piston body can be impacted and contacted with an elastic sealing abutting ring to buffer and damp.
Drawings
FIG. 1 is a schematic front structural view of a compact double-acting cylinder with a double-piston structure according to the present invention;
FIG. 2 is a cross-sectional view of a compact double-acting cylinder with a double-piston structure according to the present invention;
fig. 3 is a cross-sectional view of a compact double-acting cylinder with a double-piston structure according to the present invention.
In the figure: the oil cylinder comprises a piston assembly 1, a cylinder body 11, a nozzle 12, a plug 13, a movable rod 14, a cylinder cover 15, an external assembly 2, a cylinder bottom lug 21, a rod end lug 22, a buffer assembly 3, a buffer spring 31, an impact sheet 32, a sealing abutting ring 33, a sealing element 4 and a locking nut 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The terms "upper", "lower", "left", "right", "middle" and "one" used in the present invention are for clarity of description, and are not used to limit the scope of the present invention, and the relative relationship between the terms and the modifications may be regarded as the scope of the present invention without substantial technical change.
Referring to fig. 1 to 3, a compact double-acting cylinder of a double-piston structure includes:
the oil nozzle structure comprises a piston assembly 1, wherein the piston assembly 1 comprises a cylinder body 11, oil nozzles 12, a plug body 13, a movable rod 14 and a cylinder cover 15, the cylinder cover 15 is arranged at the opening end of the cylinder body 11, the movable rod 14 penetrates through the cylinder cover 15 in a sealing mode, one end of the movable rod is arranged in the cylinder body 11 in a sliding mode, the two oil nozzles 12 are fixedly connected to the side edge of the cylinder body 11 and communicated with the interior of the cylinder body 11, and the plug body 13 is fixedly sleeved at one end, located in the cylinder body 11, of the movable rod 14 and arranged in the cylinder body 11 in a sealing sliding mode;
the external component 2 is used for connecting the two piston components 1 and is connected with an external rod body;
the buffer component 3, the buffer component 3 includes buffer spring 31, striking piece 32 and sealed support ring 33, and inside buffer spring 31 fixed connection kept away from one side of open end at the jar body, striking piece 32 fixed connection is at buffer spring 31's tip, and sealed support ring 33 cover is established on the movable rod 14, and the end fixing is at the 15 side ends of cylinder cap.
In the embodiment applying the technical scheme, in the working process, oil is led in and led out of the cylinder 11 through the oil nozzle 12, so that the external movement is driven, in order to prolong the service life of the plug body 13, the plug body 13 is impacted and buffered in the moving process of the plug body 13, the plug body 13 moving inwards contacts with the impact sheet 32 before contacting with the impact sheet, the impact force is buffered through the contact of the buffer spring 31, and the plug body 13 is impacted and contacted with the elastic sealing abutting ring 33 to buffer and damp when moving outwards.
In the preferred technical solution in this embodiment, the external component 2 includes a cylinder bottom ear ring 21 and a rod end ear ring 22, the cylinder bottom ear ring 21 is connected to one end of the two cylinder bodies 11 away from the open end, the two cylinder bodies 11 are connected into a whole, the two rod end ear rings 22 are fixedly connected to one end of the movable rod 14 located outside the cylinder body 11, the two cylinder bodies 11 are connected into a whole through the cylinder bottom ear ring 21, and the rod end ear rings 22 at the two ends are connected to an external push rod;
a sealing element 4 is fixedly arranged between the cylinder cover 15 and the plug body 13 and used for improving the sealing performance of the oil cylinder and the sealing performance inside the cylinder body 11;
one end of the movable rod 14, which is positioned in the cylinder 11, is in threaded connection with a locking nut 5, and is used for limiting the position of the plug body 13, fixing the plug body 13, and fixing the position through the locking nut 5, so that the plug body 13 is convenient to disassemble and assemble;
the impact sheet 32 is made of corrosion-resistant elastic material and is in sliding sealing contact with the inner wall of the tank body, so as to avoid corrosion by internal oil and avoid corrosion of the oil on the chute spring 31;
the density support ring is made of corrosion-resistant elastic materials, and two sides of the density support ring are respectively contacted with the movable rod 14 and the inner wall of the cylinder body 11 to avoid corrosion of internal oil.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a compact double-acting cylinder of double piston structure which characterized in that includes:
the oil nozzle structure comprises a piston assembly (1), wherein the piston assembly (1) comprises a cylinder body (11), oil nozzles (12), a plug body (13), a movable rod (14) and a cylinder cover (15), the cylinder cover (15) is arranged at the open end of the cylinder body (11), the movable rod (14) penetrates through the cylinder cover (15) in a sealing mode, one end of the movable rod is arranged inside the cylinder body (11) in a sliding mode, the two oil nozzles (12) are fixedly connected to the side edge of the cylinder body (11) and communicated with the inside of the cylinder body (11), the plug body (13) is fixedly sleeved at one end, located on the cylinder body (11), of the movable rod (14) and arranged inside the cylinder body (11) in a sealing and sliding mode;
the external component (2) is used for connecting the two piston components (1) and is connected with an external rod body;
Buffer module (3), buffer module (3) include buffer spring (31), striking piece (32) and sealed support ring (33), buffer spring (31) fixed connection is inside the jar body keeps away from one side of open end, striking piece (32) fixed connection is at the tip of buffer spring (31), sealed support ring (33) cover is established on movable rod (14), and the end fixing is at cylinder cap (15) side.
2. The compact double-acting cylinder with the double-piston structure according to claim 1, wherein the external component (2) comprises a cylinder bottom lug (21) and a rod end lug (22), the cylinder bottom lug (21) is connected to one end of the two cylinder bodies (11) away from the open end to connect the two cylinder bodies (11) into a whole, and the rod end lugs (22) are fixedly connected to one end of the movable rod (14) outside the cylinder bodies (11).
3. The compact double-acting oil cylinder with the double-piston structure according to claim 1, characterized in that a sealing element (4) is fixedly installed between the cylinder cover (15) and the plug body (13) for improving the sealing performance of the oil cylinder.
4. A double-acting cylinder with a compact structure and a double-piston structure as claimed in claim 1, characterized in that a locking nut (5) is screwed on one end of the movable rod (14) inside the cylinder body (11) for limiting the position of the plug body (13).
5. A compact double-acting cylinder with a double-piston structure according to claim 1, characterized in that the striker (32) is made of a corrosion-resistant elastic material and is in sliding sealing contact with the inner wall of the tank.
6. A double-acting cylinder with a compact structure and a double-piston structure as claimed in claim 1, wherein the sealing ring is made of corrosion-resistant elastic material, and two sides of the sealing ring are respectively in contact with the movable rod (14) and the inner wall of the cylinder body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220123457.1U CN216589392U (en) | 2022-01-18 | 2022-01-18 | Compact double-acting oil cylinder with double-piston structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220123457.1U CN216589392U (en) | 2022-01-18 | 2022-01-18 | Compact double-acting oil cylinder with double-piston structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216589392U true CN216589392U (en) | 2022-05-24 |
Family
ID=81634831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220123457.1U Active CN216589392U (en) | 2022-01-18 | 2022-01-18 | Compact double-acting oil cylinder with double-piston structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216589392U (en) |
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2022
- 2022-01-18 CN CN202220123457.1U patent/CN216589392U/en active Active
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