CN215486944U - Hydraulic cylinder with simple operation and adjustable type for engineering - Google Patents
Hydraulic cylinder with simple operation and adjustable type for engineering Download PDFInfo
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- CN215486944U CN215486944U CN202121068005.XU CN202121068005U CN215486944U CN 215486944 U CN215486944 U CN 215486944U CN 202121068005 U CN202121068005 U CN 202121068005U CN 215486944 U CN215486944 U CN 215486944U
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Abstract
The utility model discloses an adjustable hydraulic cylinder for engineering, which is simple in operation and comprises a hydraulic cylinder body and a cylinder cover, wherein the bottom of the hydraulic cylinder body is fixedly connected with a fixed base, the top end of the hydraulic cylinder body is provided with the cylinder cover, a sealing gasket is clamped and pressed between the cylinder cover and the hydraulic cylinder body, a sliding rod penetrating through the cylinder cover from bottom to top is arranged in the hydraulic cylinder body, the bottom end of the sliding rod is fixedly connected with a bottom piston in sliding and sealing connection with the inner wall of the hydraulic cylinder body, the middle part of the sliding rod positioned in the hydraulic cylinder body is integrally formed with an upper adjusting limiting boss and a lower adjusting limiting boss, an adjusting piston in sliding connection with the inner wall of the hydraulic cylinder body is movably arranged between the adjusting limiting bosses on the sliding rod, and the inner wall of the adjusting piston in contact with the sliding rod and the outer wall of the adjusting piston in contact with the hydraulic cylinder body are respectively provided with a second sealing ring. The utility model realizes the automatic adjustment of the stroke of the hydraulic cylinder by controlling the hydraulic oil quantity between the adjusting piston and the bottom piston, and is extremely convenient.
Description
Technical Field
The utility model relates to the field of hydraulic cylinders, in particular to an adjustable hydraulic cylinder for engineering, which is simple to operate.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion. The reciprocating motion device has simple structure and reliable work, can avoid a speed reducer when the reciprocating motion is realized, has no transmission clearance, and moves stably, thereby being widely applied to hydraulic systems of various machines. However, when the existing hydraulic cylinder for engineering is used, the stroke size of the hydraulic cylinder can not be automatically adjusted according to actual requirements, so that the hydraulic cylinder is inconvenient to use, meanwhile, the installation length of the hydraulic cylinder is fixed, and the installation and use range is small. Accordingly, a hydraulic cylinder for adjusting work, which is easy to operate, is provided by those skilled in the art to solve the problems of the background art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an adjustable hydraulic cylinder for engineering, which is simple to operate and solves the problems in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a pneumatic cylinder for simple operation's regulation formula engineering, including hydraulic cylinder body and cylinder cap, hydraulic cylinder body bottom fixedly connected with fixed baseplate, the hydraulic cylinder body top is provided with the cylinder cap, it has sealed the pad to block the pressure between cylinder cap and the hydraulic cylinder body, be provided with the slide bar that runs through the cylinder cap from bottom to top in the pneumatic cylinder body, slide bar bottom fixedly connected with and the bottom piston of hydraulic cylinder body inner wall sliding seal connection, slide bar middle part integrated into one piece that is located hydraulic cylinder body inside has two upper and lower spacing bosss of regulation, it is provided with the adjusting piston with hydraulic cylinder body inner wall sliding connection to lie in the activity between the spacing boss of regulation on the slide bar, all be provided with sealing washer two on the inner wall of adjusting piston and slide bar contact and the outer wall of adjusting piston and hydraulic cylinder body contact, adjusting piston and slide bar and hydraulic cylinder body all pass through sealing washer two sliding seal and are connected.
The sealing gasket can guarantee that the cylinder cover and the hydraulic cylinder body can be sealed, the position of the adjusting piston on the sliding rod is adjusted by changing the hydraulic oil amount between the adjusting piston and the bottom piston, and then the stroke size of the sliding rod inside the hydraulic cylinder can be adjusted, so that the hydraulic cylinder is extremely convenient.
As a further scheme of the utility model: one lateral wall of the hydraulic cylinder body is sequentially provided with an oil inlet pipe, an oil regulating pipe and an oil outlet pipe from bottom to top, and the oil inlet pipe, the oil regulating pipe and the oil outlet pipe are communicated with the inside of the hydraulic cylinder body.
As a further scheme of the utility model: the oil inlet pipe is positioned below the bottom piston, the adjusting oil pipe is positioned between the bottom piston and the adjusting piston, and the oil outlet pipe is positioned above the adjusting piston.
The oil inlet pipe and the oil outlet pipe are connected with an external reversing valve, the adjusting oil pipe is connected with a reversing assembly for inputting and outputting external hydraulic oil, and automatic control over oil inlet and outlet of the adjusting oil pipe can be achieved.
As a further scheme of the utility model: a first sealing ring is clamped and pressed on the inner wall of the cylinder cover in contact with the sliding rod, and a limiting disc is fixedly connected to the top of the sliding rod.
The first sealing ring provides sliding sealing protection for the sliding rod and the cylinder cover, and the limiting disc can limit the descending stroke of the sliding rod.
As a further scheme of the utility model: an adjusting stud is fixedly connected above the limiting disc, a locking nut is connected to the periphery of the adjusting stud through threads, and an adjusting threaded sleeve is arranged on the periphery of the adjusting stud and above the locking nut.
The adjusting threaded sleeve can be locked on the adjusting stud by rotating the locking nut.
As a further scheme of the utility model: the adjusting screw sleeve is connected with the adjusting stud through threads, the elastic pad is clamped and pressed between the adjusting screw sleeve and the locking nut, and the top of the adjusting screw sleeve is integrally formed with a fixed sleeve.
Through rotating along adjusting the double-screw bolt and adjusting the swivel nut, realize adjusting the mounted position height of fixed cover, and then realize adjusting the total length of this pneumatic cylinder, be convenient for according to the real-time regulation of actual installation demand, improve application range.
The sealing gasket, the first sealing ring and the second sealing ring are all made of high-temperature-resistant rubber.
Compared with the prior art, the utility model has the beneficial effects that:
1. the hydraulic oil quantity between the adjusting piston and the bottom piston can be adjusted by controlling the adjusting oil pipe, so that the position of the adjusting piston on the sliding rod is adjusted, the upward stroke of the sliding rod is adjusted, and the stroke of the hydraulic cylinder is automatically adjusted by controlling the hydraulic oil quantity between the adjusting piston and the bottom piston, so that the hydraulic oil quantity adjusting device is extremely convenient.
2. According to the utility model, the mounting position of the fixing sleeve is adjusted by rotating the adjusting threaded sleeve along the adjusting stud, and then the adjusting threaded sleeve is fixed by rotating the locking nut, so that the total length of the hydraulic cylinder is adjusted, the hydraulic cylinder is convenient to adjust in real time according to actual mounting requirements, and the application range is enlarged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the adjusting screw insert of the present invention;
FIG. 3 is a front cross-sectional view of the present invention;
fig. 4 is a partial enlarged view of the utility model at a in fig. 3.
In the figure: 1. a hydraulic cylinder block; 2. a fixed base; 3. an oil inlet pipe; 4. adjusting an oil pipe; 5. an oil outlet pipe; 6. a cylinder cover; 7. a gasket; 8. a slide bar; 9. a limiting disc; 10. adjusting the stud; 11. locking the nut; 12. an elastic pad; 13. adjusting a threaded sleeve; 14. fixing a sleeve; 15. a first sealing ring; 16. a bottom piston; 17. adjusting the limit boss; 18. an adjusting piston; 19. and a second sealing ring.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, in the embodiment of the utility model, an adjustable hydraulic cylinder for engineering with simple operation comprises a hydraulic cylinder body 1 and a cylinder cover 6, wherein the bottom of the hydraulic cylinder body 1 is fixedly connected with a fixed base 2, the top end of the hydraulic cylinder body 1 is provided with the cylinder cover 6, a sealing gasket 7 is clamped between the cylinder cover 6 and the hydraulic cylinder body 1, a sliding rod 8 penetrating through the cylinder cover 6 from bottom to top is arranged in the hydraulic cylinder body 1, the bottom end of the sliding rod 8 is fixedly connected with a bottom piston 16 connected with the inner wall of the hydraulic cylinder body 1 in a sliding and sealing manner, an upper adjusting limit boss 17 and a lower adjusting limit boss 17 are integrally formed in the middle of the sliding rod 8 in the hydraulic cylinder body 1, an adjusting piston 18 connected with the inner wall of the hydraulic cylinder body 1 in a sliding manner is movably arranged on the sliding rod 8 between the adjusting limit bosses 17, the inner wall of the adjusting piston 18 in contact with the sliding rod 8 and the outer wall of the adjusting piston 18 in contact with the hydraulic cylinder body 1 are both provided with a sealing ring two 19, the adjusting piston 18 is connected with the sliding rod 8 and the hydraulic cylinder body 1 in a sliding and sealing mode through a second sealing ring 19.
The sealing gasket 7 can ensure that the cylinder cover 6 and the hydraulic cylinder body 1 can be arranged in a sealing mode, the position of the adjusting piston 18 on the sliding rod 8 can be adjusted by changing the hydraulic oil amount between the adjusting piston 18 and the bottom piston 16, further, the stroke size of the sliding rod 8 inside the hydraulic cylinder can be adjusted, the automatic adjustment of the stroke of the hydraulic cylinder can be achieved by controlling the hydraulic oil amount between the adjusting piston 18 and the bottom piston 16, and the hydraulic cylinder is extremely convenient to use.
In this embodiment, an oil inlet pipe 3, an oil regulating pipe 4 and an oil outlet pipe 5 are sequentially arranged on one side wall of the hydraulic cylinder body 1 from bottom to top, and the oil inlet pipe 3, the oil regulating pipe 4 and the oil outlet pipe 5 are communicated with the inside of the hydraulic cylinder body 1.
In this embodiment, the oil inlet pipe 3 is located below the bottom piston 16, the adjusting oil pipe 4 is located between the bottom piston 16 and the adjusting piston 18, and the oil outlet pipe is located above the adjusting piston 18.
The oil inlet pipe 3 and the oil outlet pipe 5 are connected with an external reversing valve, the regulating oil pipe 4 is connected with a reversing assembly for inputting and outputting external hydraulic oil, and automatic control over oil inlet and outlet of the regulating oil pipe 4 can be achieved.
In this embodiment, a first seal ring 15 is clamped and pressed on the inner wall of the cylinder cover 6 which is in contact with the slide bar 8, and the top of the slide bar 8 is fixedly connected with a limiting disc 9.
The first sealing ring 15 provides sliding sealing protection for the sliding rod 8 and the cylinder cover 6, and the limiting disc 9 can limit the descending stroke of the sliding rod 8.
In this embodiment, an adjusting stud 10 is fixedly connected above the limiting disc 9, a locking nut 11 is connected to the periphery of the adjusting stud 10 through threads, and an adjusting threaded sleeve 13 is arranged on the periphery of the adjusting stud 10 above the locking nut 11.
By turning the locking nut 11, the adjusting nut 13 can be locked on the adjusting stud 10.
The adjusting screw sleeve 13 is connected with the adjusting screw bolt 10 through threads, the elastic pad 12 is clamped and pressed between the adjusting screw sleeve 13 and the locking nut 11, and the top of the adjusting screw sleeve 13 is integrally formed with the fixed sleeve 14.
Through rotating along adjusting stud 10 and adjusting swivel nut 13, realize adjusting the mounted position height of fixed cover 14, and then realize adjusting the total length of this pneumatic cylinder, be convenient for according to the real-time regulation of actual installation demand, improve application range.
The sealing gasket 7, the first sealing ring 15 and the second sealing ring 19 are all made of high-temperature-resistant rubber.
The working principle of the utility model is as follows: firstly, the height of the mounting position of the fixing sleeve is adjusted by rotating the adjusting threaded sleeve, and then the adjusting threaded sleeve is fixed by rotating the locking nut, so that the total length of the hydraulic cylinder is adjusted, the total length of the hydraulic cylinder is conveniently adjusted in real time according to actual mounting requirements, and the application range is enlarged; when using, advance oil pipe and go out oil pipe and be connected with outside switching-over valve, adjust oil pipe and outside hydraulic oil input and the switching-over subassembly of output and be connected, realize controlling the business turn over oil of adjusting oil pipe 4, when the bottom piston slides hydraulic cylinder body 1's bottom, the regulation to the hydraulic pressure oil mass between adjusting piston and the bottom piston can be realized to business turn over oil through control regulation oil pipe, and then adjust the position of adjusting piston on the slide bar, realize the regulation to the upstroke of slide bar, realize the automatically regulated to the stroke of pneumatic cylinder through the hydraulic pressure oil mass between control adjusting piston and the bottom piston, and is extremely convenient.
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 pneumatic cylinder for easy operation's regulation formula engineering, includes hydraulic cylinder body and cylinder cap, its characterized in that: the utility model discloses a hydraulic cylinder body, the top of the body is provided with the cylinder cap, it has sealed the pad to block to press between cylinder cap and the hydraulic cylinder body, be provided with the slide bar that runs through out the cylinder cap from bottom to top in the hydraulic cylinder body, slide bar bottom fixedly connected with and hydraulic cylinder body inner wall sliding seal connected's bottom piston, slide bar middle part integrated into one piece that is located hydraulic cylinder body inside has two upper and lower regulation spacing bosss, it is provided with the adjusting piston with hydraulic cylinder body inner wall sliding connection to lie in the activity between the regulation spacing boss on the slide bar, all be provided with sealing washer two on the inner wall of adjusting piston and slide bar contact and the outer wall of adjusting piston and hydraulic cylinder body contact, adjusting piston and slide bar and hydraulic cylinder body all through sealing washer two sliding seal connections.
2. An adjustable hydraulic work cylinder as defined in claim 1, further comprising: one lateral wall of the hydraulic cylinder body is sequentially provided with an oil inlet pipe, an oil regulating pipe and an oil outlet pipe from bottom to top, and the oil inlet pipe, the oil regulating pipe and the oil outlet pipe are communicated with the inside of the hydraulic cylinder body.
3. An adjustable hydraulic work cylinder as claimed in claim 2, wherein: the oil inlet pipe is positioned below the bottom piston, the adjusting oil pipe is positioned between the bottom piston and the adjusting piston, and the oil outlet pipe is positioned above the adjusting piston.
4. An adjustable hydraulic work cylinder as defined in claim 1, further comprising: a first sealing ring is clamped and pressed on the inner wall of the cylinder cover in contact with the sliding rod, and a limiting disc is fixedly connected to the top of the sliding rod.
5. An adjustable hydraulic work cylinder as claimed in claim 4, wherein: an adjusting stud is fixedly connected above the limiting disc, a locking nut is connected to the periphery of the adjusting stud through threads, and an adjusting threaded sleeve is arranged on the periphery of the adjusting stud and above the locking nut.
6. An adjustable hydraulic work cylinder as claimed in claim 5, which is simple to operate and is adjustable in the form of: the adjusting screw sleeve is connected with the adjusting stud through threads, the elastic pad is clamped and pressed between the adjusting screw sleeve and the locking nut, and the top of the adjusting screw sleeve is integrally formed with a fixed sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121068005.XU CN215486944U (en) | 2021-05-18 | 2021-05-18 | Hydraulic cylinder with simple operation and adjustable type for engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121068005.XU CN215486944U (en) | 2021-05-18 | 2021-05-18 | Hydraulic cylinder with simple operation and adjustable type for engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215486944U true CN215486944U (en) | 2022-01-11 |
Family
ID=79778711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121068005.XU Active CN215486944U (en) | 2021-05-18 | 2021-05-18 | Hydraulic cylinder with simple operation and adjustable type for engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215486944U (en) |
-
2021
- 2021-05-18 CN CN202121068005.XU patent/CN215486944U/en active Active
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