CN204783928U - Bidirectional scalability hydro -cylinder - Google Patents
Bidirectional scalability hydro -cylinder Download PDFInfo
- Publication number
- CN204783928U CN204783928U CN201520401023.3U CN201520401023U CN204783928U CN 204783928 U CN204783928 U CN 204783928U CN 201520401023 U CN201520401023 U CN 201520401023U CN 204783928 U CN204783928 U CN 204783928U
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- China
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- piston
- cylinder
- piston rod
- activity
- hydraulic fluid
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Abstract
The utility model provides a bidirectional scalability hydro -cylinder, includes the cylinder, the piston rod at position and middle part clamps and is used for with the piston cylinder of the reverse activity of piston rod between cylinder and piston rod and is used for sealing the end cover of hydro -cylinder, be provided with the sealing member between each structure of cylinder body, be used for advancing (plays) hydraulic fluid port and setting up the activity that comes the control piston pole at play (advancing) oil duct that it is movable that section of thick bamboo wall is used for the piston rod of piston rod activity through setting up to have at the piston circle opposition end (bottom) of piston cylinder, be used for advancing (plays) hydraulic fluid port and setting up the activity that movable play (advancing) the hydraulic fluid port that is used for the piston cylinder on the cylinder cap comes a control piston section of thick bamboo of piston cylinder activity through setting up in the cylinder bottom. During the use, can accomplish unilateral movement or bi -directional motion respectively through four pistons that advance (play) hydraulic fluid port control bi -directional motion, can work as or a plurality of beaer in hydro -cylinder both sides connection according to operational environment, easy operation, work efficiency is high.
Description
Technical field
The utility model relates to a kind of hydraulic element, especially a kind of bi-directional expansion oil cylinder.
Background technique
Along with the development of society, machinery replaces manpower to become the center of gravity of every field, and people wish to spend minimum strength, resource completes maximum things, and in machine work, oil cylinder has become a very general and requisite present part.And in order to complete mechanical action, the each side demand of oil cylinder is also being strengthened, great majority used in factory, workshop or engineering are the combinations of multiple oil cylinder, and each be also monomer oil cylinder, present two-way cylinder uses less, because present two-way cylinder only has two rod oil cylinder of piston-type hydraulic cylinder and the double-plunger oil cylinder of plunger type cylinder, the former can only complete the action to a direction motion within the same unit time, cannot carry out by two-way simultaneous; The active force of the latter's bidirectional-movement is not in same level, and service condition is also subject to certain restrictions; And both can only to a two-way beaer activity.
Summary of the invention
Goal of the invention of the present utility model be in order to overcome prior art above shortcomings provide a kind of can bi-directional expansion and unidirectionally drive multiple beaer, the oil cylinder that simple to operate, efficiency is high.
The technical solution of the utility model is: comprise outer cylinder tube, the piston rod at position and middle part, be installed between cylinder barrel and piston rod for the piston cylinder of piston rod reverse activity and the end cap for closed oil cylinder;
Described piston rod stretches into bottom piston cylinder one end and is fixedly connected with circular piston, and circular piston is peripheral is provided with Sealing with piston cylinder internal connection;
Described piston cylinder stretches into top, cylinder barrel one end and is fixedly connected with piston ring, is provided with the through hole for piston set bar in the middle part of described piston ring, and piston ring inner via hole and piston rod joint are provided with Sealing; The piston ring opposite end (bottom) of described piston cylinder is provided with the entry/exit hydraulic fluid port for piston rod activity, barrel is provided with and goes out/oil input channel for piston rod activity, described in go out/oil input channel by piston cylinder bottom opening longitudinal extension connect in piston cylinder top to opening;
Be provided with the entry/exit hydraulic fluid port for piston cylinder activity bottom described cylinder barrel, top is connected with end bracket enclosed;
Described end cap is loop configuration, and internal diameter equals piston cylinder external diameter, and external diameter equals internal diameter of cylinder, end cap is provided with go out/filler opening for piston cylinder activity, and end cap and piston cylinder and cylinder barrel joint are provided with Sealing.
Described piston rod is one group, and bottom is fixedly connected with piston; Described piston ring is have one group of through hole passed through for piston rod group.
Described one group of piston rod part is respectively provided with a connecting ring for connection set.
Described one group of piston rod part connects a large-scale connecting ring for connection set jointly.
Described piston rod is one, and bottom is fixedly connected with piston; Described piston ring annular, internal diameter equals piston rod external diameter.
The connecting ring for connecting equipment is provided with bottom described piston cylinder.
Cylinder barrel outer installment of telling has fixing device.
Upper end, described end cap outer ring is provided with flange.
Described all entry/exit hydraulic fluid ports are connected with cylinder seal.
The described entry/exit hydraulic fluid port for piston rod activity, go out/oil input channel, for the entry/exit hydraulic fluid port of piston cylinder activity be one or more for the going out of piston cylinder activity/filler opening for piston rod activity.
During use, the piston of bidirectional-movement can be controlled respectively by four inlet (outlet)s, complete unidirectional movement or two-way simultaneous motion; Can connect single or multiple beaer according to the oil cylinder both sides that do not coexist of working environment, simple to operate, working efficiency is high.
The utility model has the advantages that:
1. structure simple, can simultaneously to unidirectional or bi-directional movable.
2. oil cylinder one end is fixedly connected with a beaer, and the other end can connect action while of driving multiple beaer respectively.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model (multiple piston rod).
Fig. 2 is the structural representation of the utility model (single piston rod).
Fig. 3 is the structural representation of piston rod (multiple piston) and circular piston.
Fig. 4 is the front view of the piston ring matched with piston rod in Fig. 3.
Fig. 5 is the structural representation of piston rod (single piston) and circular piston.
Fig. 6 is the front view of the piston ring matched with piston rod in Fig. 5.
Fig. 7 is (multiple piston rod) of the present utility model front view.
Fig. 8 is (single piston rod) of the present utility model front view.
Embodiment
In Fig. 1,2, bi-directional expansion oil cylinder comprises outer cylinder tube 3, the piston rod 1 at position and middle part, be installed between cylinder barrel and piston rod for the piston cylinder 2 of piston rod reverse activity and the end cap 4 for closed oil cylinder.Piston rod 1 stretches into bottom piston cylinder 2 one end and is fixedly connected with circular piston 5, and circular piston 5 is peripheral is provided with Sealing 11 with piston cylinder internal connection; Piston cylinder 2 stretches into top, cylinder barrel 3 one end and is fixedly connected with piston ring 6, is provided with the through hole for piston set bar 1 in the middle part of piston ring 6, and piston ring inner via hole and piston rod joint are provided with Sealing 11; The piston ring opposite end (bottom) of piston cylinder is provided with the entry/exit hydraulic fluid port 7 for piston rod activity, and barrel is provided with and goes out/oil input channel 8 for piston rod activity, go out/oil input channel 8 by piston cylinder bottom opening longitudinal extension connect in piston cylinder top to opening.Be provided with the entry/exit hydraulic fluid port 9 for piston cylinder activity bottom cylinder barrel 3, top and end cap 4 are tightly connected.End cap 4 is loop configuration, and internal diameter equals piston cylinder 2 external diameter, and external diameter equals cylinder barrel 3 internal diameter, end cap is provided with go out/filler opening 10 for piston cylinder activity, and end cap and piston cylinder and cylinder barrel joint are provided with Sealing 11.
At Fig. 3, piston rod 1 is one group, and bottom is fixedly connected with piston 5.
In Fig. 4, piston ring 6 is for having one group of through hole 12 passed through for piston rod group.
In Fig. 5, Fig. 6, piston rod 1 is one, and bottom is fixedly connected with piston 5; Piston ring 6 annular, internal diameter equals piston rod external diameter, and 12 is through hole.
In Fig. 7, Fig. 8, one group of piston rod 1 top is respectively provided with a connecting ring 13 for connection set, or one group of piston rod 1 top connects a large-scale connecting ring 13 for connection set jointly.The connecting ring 14 for connecting equipment is provided with bottom piston cylinder; Cylinder barrel outer installment has fixing device 15; Upper end, end cap outer ring is provided with flange; All entry/exit hydraulic fluid ports are connected with cylinder seal; For the entry/exit hydraulic fluid port of piston rod activity, go out/oil input channel, for the entry/exit hydraulic fluid port of piston cylinder activity be one or more for the going out of piston cylinder activity/filler opening for piston rod activity.By the piston ring opposite end (bottom) being arranged on piston cylinder 2 have for piston rod activity inlet (outlet) 7 and be arranged on barrel and go out for piston rod activity the activity that (entering) oil duct carrys out control piston bar 1; By to be arranged on bottom outer cylinder tube 3 for the inlet (outlet) of piston cylinder activity and to be arranged on and to go out for piston cylinder activity on cylinder cap the activity that (entering) hydraulic fluid port carrys out control piston cylinder 2.During use, can control the piston of bidirectional-movement respectively by four inlet (outlet)s, complete unidirectional movement or bidirectional-movement, can connect single or multiple beaer according to working environment on oil cylinder both sides, simple to operate, working efficiency is high.
Claims (10)
1. a bi-directional expansion oil cylinder, is characterized in that: comprise outer cylinder tube (3), be positioned at middle part piston rod (1), be installed between cylinder barrel and piston rod for the piston cylinder (2) of piston rod reverse activity and the end cap (4) for closed oil cylinder;
Described piston rod (1) stretches into bottom piston cylinder (2) one end and is fixedly connected with circular piston (5), and circular piston (5) is peripheral is provided with Sealing (11) with piston cylinder internal connection;
Described piston cylinder (2) stretches into cylinder barrel (3) top, one end and is fixedly connected with piston ring (6), described piston ring (6) middle part is provided with the through hole (12) for piston set bar (1), and piston ring inner via hole and piston rod joint are provided with Sealing (11); The piston ring opposite end of described piston cylinder (2) is provided with the entry/exit hydraulic fluid port (7) for piston rod activity, barrel is provided with and goes out/oil input channel (8) for piston rod activity, described in go out/oil input channel (8) by piston cylinder bottom opening longitudinal extension connect in piston cylinder top to opening;
Described cylinder barrel (3) bottom is provided with the entry/exit hydraulic fluid port (9) for piston cylinder activity, and top and end cap (4) are tightly connected;
Described end cap (4) is loop configuration, internal diameter equals piston cylinder (2) external diameter, external diameter equals cylinder barrel (3) internal diameter, end cap is provided with go out/filler opening (10) for piston cylinder activity, and end cap and piston cylinder and cylinder barrel joint are provided with Sealing (11).
2. bi-directional expansion oil cylinder according to claim 1, is characterized in that: described piston rod (1) is one group, and bottom is fixedly connected with piston; Described piston ring (6) is for having one group of through hole passed through for piston rod group.
3. bi-directional expansion oil cylinder according to claim 2, is characterized in that: described one group of piston rod (1) top is respectively provided with a connecting ring for connection set (13).
4. bi-directional expansion oil cylinder according to claim 2, is characterized in that: described one group of piston rod (1) top connects a large-scale connecting ring (13) for connection set jointly.
5. bi-directional expansion oil cylinder according to claim 1, is characterized in that: described piston rod (1) is one, and bottom is fixedly connected with piston; Described piston ring (6) annular, internal diameter equals piston rod external diameter.
6. bi-directional expansion oil cylinder according to claim 1, is characterized in that: be provided with the connecting ring (14) for connecting equipment bottom described piston cylinder.
7. bi-directional expansion oil cylinder according to claim 1, is characterized in that: cylinder barrel outer installment of telling has fixing device (15).
8. bi-directional expansion oil cylinder according to claim 1, is characterized in that: described end cap (4) upper end, outer ring is provided with flange.
9. bi-directional expansion oil cylinder according to claim 1, is characterized in that: described all entry/exit hydraulic fluid ports are connected with cylinder seal.
10. bi-directional expansion oil cylinder according to claim 1, is characterized in that: the described entry/exit hydraulic fluid port (7) for piston rod activity, be one or more for go out/oil input channel (8), the entry/exit hydraulic fluid port (9) for piston cylinder activity and the/filler opening (10) that goes out for piston cylinder activity of piston rod activity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520401023.3U CN204783928U (en) | 2015-06-12 | 2015-06-12 | Bidirectional scalability hydro -cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520401023.3U CN204783928U (en) | 2015-06-12 | 2015-06-12 | Bidirectional scalability hydro -cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204783928U true CN204783928U (en) | 2015-11-18 |
Family
ID=54523984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520401023.3U Expired - Fee Related CN204783928U (en) | 2015-06-12 | 2015-06-12 | Bidirectional scalability hydro -cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204783928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081025A (en) * | 2016-06-03 | 2016-11-09 | 北京理工大学 | A kind of UAV navigation using multi-level piston to carry out buoyancy adjustment |
-
2015
- 2015-06-12 CN CN201520401023.3U patent/CN204783928U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106081025A (en) * | 2016-06-03 | 2016-11-09 | 北京理工大学 | A kind of UAV navigation using multi-level piston to carry out buoyancy adjustment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20200612 |