CN115573968A - Built-in double-acting quick cylinder - Google Patents
Built-in double-acting quick cylinder Download PDFInfo
- Publication number
- CN115573968A CN115573968A CN202211166722.5A CN202211166722A CN115573968A CN 115573968 A CN115573968 A CN 115573968A CN 202211166722 A CN202211166722 A CN 202211166722A CN 115573968 A CN115573968 A CN 115573968A
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- Prior art keywords
- cylinder
- quick
- oil
- main cylinder
- piston rod
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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
- F15B15/1404—Characterised by the construction of the motor unit of the straight-cylinder type in clusters, e.g. multiple cylinders in one block
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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
- F15B15/1428—Cylinders
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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
- F15B15/1447—Pistons; Piston to piston rod assemblies
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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
A built-in double-acting quick cylinder comprises a main cylinder barrel and a main cylinder piston rod arranged in the main cylinder barrel in a sliding mode, wherein the main cylinder piston rod is used as the quick cylinder barrel and is provided with a quick cylinder piston rod, and the quick cylinder piston rod is fixedly arranged through a quick oil port distribution seat arranged at the bottom end of the main cylinder barrel; a fast oil port is arranged on a cylinder barrel of the main cylinder, a fast oil port distribution seat is internally provided with a fast oil path corresponding to the fast oil port, and an oil flow passage for communicating the fast oil path with a rodless cavity of the fast cylinder is arranged in a piston rod of the fast cylinder; a quick-withdrawing oil port communicated with the rod cavity of the main cylinder is arranged on the cylinder barrel of the main cylinder, and a quick-withdrawing oil hole communicated with the rod cavity of the quick cylinder is arranged on a piston rod of the main cylinder; an oil inlet and an oil outlet which are communicated with the rodless cavity of the main cylinder are also arranged in the quick oil port distribution seat. According to the built-in double-acting quick cylinder, the volume of a rodless cavity of the quick cylinder is far smaller than that of a rodless cavity of a main cylinder, a small amount of hydraulic oil is injected through a quick oil inlet so that a piston rod of the main cylinder can quickly extend out, and a pressurizing oil port is used for quickly pressurizing to apply work.
Description
Technical Field
The invention relates to the technical field of hydraulic pressure, in particular to a built-in double-acting quick cylinder.
Background
The Chinese patent CN202020849445.8 discloses an oil cylinder structure with a built-in quick cylinder, which comprises an outer cylinder body and a main piston rod arranged in an inner cavity of the outer cylinder body in a sliding manner, wherein a groove-shaped blind hole is formed in the main piston rod, a quick-feeding plunger cylinder is arranged in the blind hole, a cylinder body of the quick-feeding plunger cylinder is fixedly connected with the main piston rod, a piston rod of the quick-feeding plunger cylinder is fixedly arranged, an oil flow passage communicated with an oil inlet and outlet of a rear cavity is formed in the piston rod of the quick-feeding plunger cylinder, a front cavity oil inlet and outlet is also formed in the outer cylinder body, and the oil cylinder structure further comprises an oil supplementing oil inlet and outlet; the piston rod of the fast forward plunger cylinder is also provided with a communication hole for avoiding air pressure generation in the plunger cylinder.
The oil cylinder structure with the built-in quick cylinder disclosed by the above document has the problems of large volume, complex assembly, high production cost and the like when the quick cylinder is arranged in a main cylinder piston rod.
Therefore, in order to solve the above problems, it is necessary to design a double-acting cylinder.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a built-in double-acting quick cylinder.
In order to achieve the above objects and other related objects, the present invention provides the following technical solutions: a built-in double-acting quick cylinder comprises a main cylinder barrel and a main cylinder piston rod arranged in the main cylinder barrel in a sliding mode, wherein the main cylinder piston rod serves as the quick cylinder barrel, a quick cylinder piston rod is arranged in the quick cylinder barrel, and the quick cylinder piston rod is fixedly arranged through a quick oil port distribution seat arranged at the bottom end of the main cylinder barrel; a fast oil inlet is arranged on the main cylinder barrel, a fast oil inlet corresponding to the fast oil inlet is arranged in the fast oil inlet distribution seat, and an oil flow passage for communicating the fast oil inlet with a fast cylinder rodless cavity is arranged in the fast cylinder piston rod; a quick-withdrawing oil port communicated with the rod cavity of the main cylinder is arranged on the cylinder barrel of the main cylinder, and a quick-withdrawing oil hole communicated with the rod cavity of the quick cylinder is arranged on a piston rod of the main cylinder; an oil inlet and an oil outlet which are communicated with the rodless cavity of the main cylinder are also arranged in the rapid oil port distribution seat.
The preferable technical scheme is as follows: and the bottom end of the main cylinder piston rod is provided with a main cylinder piston connected with the inner wall of the main cylinder barrel in a sliding and sealing manner.
The preferable technical scheme is as follows: the quick oil return port is arranged close to the top end of the cylinder barrel of the main cylinder, and the quick oil return hole is arranged close to the piston of the main cylinder.
The preferable technical scheme is as follows: the inner wall of the top end of the main cylinder barrel is provided with a main cylinder guide sleeve in sliding sealing connection with the outer wall of the main cylinder piston rod.
The preferable technical scheme is as follows: the main cylinder piston rod is of a barrel-shaped structure, and the bottom end of the quick cylinder piston rod is provided with a quick cylinder piston connected with the inner wall of the main cylinder piston rod in a sliding and sealing mode.
The preferable technical scheme is as follows: and the inner wall of the bottom end of the main cylinder piston rod is provided with a quick cylinder guide sleeve which is connected with the outer wall of the quick cylinder piston rod in a sliding and sealing manner.
The preferable technical scheme is as follows: the quick oil port distribution seat is internally provided with a pressurizing oil path corresponding to the pressurizing oil port, and the pressurizing oil path is communicated with the oil inlet and the oil outlet.
The preferable technical scheme is as follows: the bottom end of the cylinder barrel of the main cylinder is also provided with a rear cylinder head of the main cylinder for fixing the rapid oil port distribution seat, and the rear cylinder head of the main cylinder is provided with a rapid oil supplementing port corresponding to the oil inlet and outlet.
Due to the application of the technical scheme, the invention has the beneficial effects that:
according to the built-in double-acting quick cylinder provided by the invention, the main cylinder piston rod has the function of a quick cylinder barrel, and the quick cylinder has the beneficial effects of reducing the production cost, reducing the volume of the cylinder body, lightening the weight of the cylinder body and facilitating assembly.
Drawings
FIG. 1 is a schematic view of the retracted state of the present invention.
FIG. 2 is a schematic view of the present invention in an extended state.
Fig. 3 is a top view of the quick oil port distribution base of the present invention.
Fig. 4 is a cross-sectional view of the quick oil port distribution seat of the present invention.
In the above figures, 1, a master cylinder barrel; 101. a fast oil inlet; 102. a quick oil return port; 103. a pressure boosting oil port; 2. a master cylinder piston rod; 201. a quick oil return hole; 3. a quick cylinder piston rod; 301. an oil flow passage; 4. a quick oil port distribution seat; 401. a quick oil path; 402. an oil inlet and an oil outlet; 403. a pressurized oil path; 5. the fast cylinder has no rod cavity; 6. the main cylinder has a rod cavity; 7. the quick cylinder is provided with a rod cavity; 8. a master cylinder rodless cavity; 9. a master cylinder piston; 10. a master cylinder guide sleeve; 11. a quick cylinder piston; 12. a quick cylinder guide sleeve; 13. a master cylinder rear cylinder head; 1301. and (6) quickly supplementing the oil port.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure of the present invention.
Please refer to fig. 1-4. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the product of the present invention is usually placed in when used, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The embodiment is as follows:
as shown in fig. 1-4, the present invention provides a built-in double-acting quick cylinder, which comprises a master cylinder barrel 1 and a master cylinder piston rod 2 slidably disposed in the master cylinder barrel 1. The main cylinder piston rod 2 is used as a quick cylinder barrel and is provided with a quick cylinder piston rod 3, and the quick cylinder piston rod 3 is fixedly arranged through a quick oil port distribution seat 4 arranged at the bottom end of the main cylinder barrel 1.
Specifically, a fast-forward oil port 101 is arranged on the main cylinder barrel 1, a fast-forward oil path 401 corresponding to the fast-forward oil port 101 is arranged in the fast oil port distribution seat 4, and an oil flow passage 301 for communicating the fast-forward oil path 401 with the fast cylinder rodless cavity 5 is arranged in the fast cylinder piston rod 3; the fast oil inlet 101, the fast oil path 401, the oil flow passage 301 and the fast cylinder rodless cavity 5 together form a fast forwarding system.
A quick oil return port 102 communicated with a main cylinder rod cavity 6 is arranged on the main cylinder barrel 1, and a quick oil return hole 201 communicated with a quick cylinder rod cavity 7 is arranged on the main cylinder piston rod 2; the quick-return oil port 102, the main cylinder rod cavity 6, the quick-return oil hole 201 and the quick cylinder rod cavity 7 form a quick-return system together.
An oil inlet and an oil outlet 402 which are communicated with the rod-free cavity 8 of the main cylinder are also arranged in the quick oil port distribution seat 4; the oil inlet/outlet 402 and the master cylinder rodless cavity 8 form a telescopic system.
In addition, the bottom end of the master cylinder piston rod 2 is provided with a master cylinder piston 9 which is connected with the inner wall of the master cylinder barrel 1 in a sliding and sealing way. The quick oil return port 102 is arranged close to the top end of the main cylinder barrel 1, and the quick oil return hole 201 is arranged close to the main cylinder piston 9.
The inner wall of the top end of the main cylinder barrel 1 is provided with a main cylinder guide sleeve 10 which is connected with the outer wall of the main cylinder piston rod 2 in a sliding and sealing mode and used for guiding.
The main cylinder piston rod 2 is of a barrel-shaped structure, and the bottom end of the quick cylinder piston rod 3 is provided with a quick cylinder piston 11 connected with the inner wall of the main cylinder piston rod 2 in a sliding and sealing manner.
The inner wall of the bottom end of the main cylinder piston rod 2 is provided with a quick cylinder guide sleeve 12 which is connected with the outer wall of the quick cylinder piston rod 3 in a sliding and sealing way and is used for guiding.
The main cylinder barrel 1 is provided with a pressurizing oil port 103, the rapid oil port distribution seat 4 is internally provided with a pressurizing oil path 403 corresponding to the pressurizing oil port 103, and the pressurizing oil path 403 is communicated with the oil inlet/outlet 402; the pressurizing oil port 103, the pressurizing oil path 403, the oil inlet/outlet port 402 and the master cylinder rodless cavity 8 form a pressurizing system.
The bottom end of the main cylinder barrel 1 is also provided with a main cylinder rear cylinder head 13 for fixing the quick oil port distribution seat 4, and the main cylinder rear cylinder head 13 is provided with a quick oil supplementing port 1301 corresponding to the oil inlet/outlet port 402.
The working mode is as follows:
(1) Is rapidly extended out
The quick oil supplementing port 1301 supplements oil, and fast feeds oil to the oil feeding port 101;
(2) Pressurized extension
The quick oil supplementing port 1301 is closed, and the pressurizing oil port 103 supplies high-pressure oil;
(3) Quick retraction
The quick oil return port 102 supplies oil, the quick oil inlet port 101 returns oil, and the pressure boosting port 103 returns oil.
Therefore, the invention has the following advantages:
according to the built-in double-acting quick cylinder, the volume of a rodless cavity of the quick cylinder is far smaller than that of a rodless cavity of a main cylinder, a small amount of hydraulic oil is injected through a quick oil inlet so that a piston rod of the main cylinder can quickly extend out, and a pressurizing oil port is used for quickly pressurizing to apply work; the piston rod of the main cylinder has the function of a quick cylinder barrel, and has the beneficial effects of reducing production cost, reducing the volume of the cylinder body, lightening the weight of the cylinder body and facilitating assembly.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. The utility model provides a quick jar of built-in two effects, includes master cylinder (1), the slip sets up master cylinder piston rod (2) in master cylinder (1), its characterized in that: the main cylinder piston rod (2) is used as a quick cylinder barrel and is provided with a quick cylinder piston rod (3), and the quick cylinder piston rod (3) is fixedly arranged through a quick oil port distribution seat (4) arranged at the bottom end of the main cylinder barrel (1); a fast oil inlet (101) is formed in the main cylinder barrel (1), a fast-forward oil way (401) corresponding to the fast oil inlet (101) is arranged in the fast oil inlet distribution seat (4), and an oil flow channel (301) for communicating the fast-forward oil way (401) with the fast cylinder rodless cavity (5) is formed in the fast cylinder piston rod (3); a quick oil return port (102) communicated with a rod cavity (6) of the main cylinder is formed in the main cylinder barrel (1), and a quick oil return hole (201) communicated with a rod cavity (7) of the quick cylinder is formed in the main cylinder piston rod (2); an oil inlet and an oil outlet (402) communicated with a rodless cavity (8) of the main cylinder are also arranged in the quick oil port distribution seat (4).
2. A built-in double acting flash cylinder according to claim 1, wherein: the bottom end of the main cylinder piston rod (2) is provided with a main cylinder piston (9) which is connected with the inner wall of the main cylinder barrel (1) in a sliding and sealing manner.
3. A built-in double acting flash cylinder according to claim 2, wherein: the quick oil return port (102) is arranged close to the top end of the main cylinder barrel (1), and the quick oil return hole (201) is arranged close to the main cylinder piston (9).
4. A built-in double acting fast cylinder according to claim 1, characterized in that: the inner wall of the top end of the main cylinder barrel (1) is provided with a main cylinder guide sleeve (10) which is connected with the outer wall of the main cylinder piston rod (2) in a sliding and sealing manner.
5. A built-in double acting flash cylinder according to claim 1, wherein: the main cylinder piston rod (2) is of a barrel-shaped structure, and a quick cylinder piston (11) connected with the inner wall of the main cylinder piston rod (2) in a sliding and sealing mode is arranged at the bottom end of the quick cylinder piston rod (3).
6. A built-in double acting flash cylinder according to claim 1, wherein: the inner wall of the bottom end of the main cylinder piston rod (2) is provided with a quick cylinder guide sleeve (12) which is connected with the outer wall of the quick cylinder piston rod (3) in a sliding and sealing manner.
7. A built-in double acting fast cylinder according to claim 1, characterized in that: the hydraulic cylinder is characterized in that a pressurizing oil port (103) is arranged on the main cylinder barrel (1), a pressurizing oil path (403) corresponding to the pressurizing oil port (103) is arranged in the rapid oil port distribution seat (4), and the pressurizing oil path (403) is communicated with the oil inlet and outlet (402).
8. A built-in double acting flash cylinder according to claim 1, wherein: the bottom end of the main cylinder barrel (1) is further provided with a main cylinder rear cylinder head (13) used for fixing the quick oil port distribution seat (4), and the main cylinder rear cylinder head (13) is provided with a quick oil supplementing port (1301) corresponding to the oil inlet/outlet port (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211166722.5A CN115573968A (en) | 2022-09-23 | 2022-09-23 | Built-in double-acting quick cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211166722.5A CN115573968A (en) | 2022-09-23 | 2022-09-23 | Built-in double-acting quick cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115573968A true CN115573968A (en) | 2023-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211166722.5A Pending CN115573968A (en) | 2022-09-23 | 2022-09-23 | Built-in double-acting quick cylinder |
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| Country | Link |
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| CN (1) | CN115573968A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116696888A (en) * | 2023-07-21 | 2023-09-05 | 江苏翔力重工科技有限公司 | Built-in high-pressure oil cylinder with continuous supercharging function |
-
2022
- 2022-09-23 CN CN202211166722.5A patent/CN115573968A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116696888A (en) * | 2023-07-21 | 2023-09-05 | 江苏翔力重工科技有限公司 | Built-in high-pressure oil cylinder with continuous supercharging function |
| CN116696888B (en) * | 2023-07-21 | 2024-01-30 | 江苏翔力重工科技有限公司 | Built-in high-pressure oil cylinder with continuous supercharging function |
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