CN205207322U - Sequential oil cylinder - Google Patents
Sequential oil cylinder Download PDFInfo
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- CN205207322U CN205207322U CN201520861241.5U CN201520861241U CN205207322U CN 205207322 U CN205207322 U CN 205207322U CN 201520861241 U CN201520861241 U CN 201520861241U CN 205207322 U CN205207322 U CN 205207322U
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- hydraulic fluid
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- core bar
- oil
- piston rod
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Abstract
The utility model discloses a sequence action's sequential oil cylinder can be realized according to the designing requirement to the hydro -cylinder when establishing ties the use, the technical scheme who adopts does: a sequential oil cylinder, preceding cylinder cap setting is in the one end of cylinder body, the one end of multilayer piston rod is provided with the piston, the other end of multilayer piston rod is provided with the connector, the core bar is hollow form, the core bar sets up in the multilayer piston rod, the outside of cylinder body is provided with hydraulic fluid port A and the hydraulic fluid port B who is used for the hydraulic oil business turn over, be provided with the hydraulic fluid port A1 and the hydraulic fluid port B1 that are used for connecting next stage hydro -cylinder business turn over hydraulic fluid port on the connector, the one end and the hydraulic fluid port A intercommunication of core bar, the other end of core bar is provided with the oil outlet, when the multilayer piston rod does not stretch out, oil outlet on the core bar seals, when the multilayer piston rod stretches out, oil outlet on the core bar communicates with the A1 mouth on the connector, hydraulic fluid port B1 intercommunication on hydraulic fluid port B and the connector, the utility model discloses but wide application in hydraulic cylinder field.
Description
Technical field
A kind of order of the utility model oil cylinder, belongs to technical field of hydraulic oil cylinder.
Background technique
Common engineering oil cylinder connect use time, due to the impact by frictional force or load, each oil cylinder stretch out and contraction be do not have sequential, i.e. the frictional force that is subject to of which oil cylinder or the little just first startup optimization of load.Order oil cylinder can realize sequentially-operating by designing requirement, is not subject to the impact of frictional force and load.Such as: the expanding-contracting action of the telescopic boom on lorry-mounted crane, common engineering oil cylinder cannot meet the requirement of sequentially-operating; And order oil cylinder does not make telescopic boom by designing requirement sequential telescopic by the impact of frictional force and load.
Model utility content
The utility model overcomes the deficiency that prior art exists, and provides a kind of oil cylinder can realize sequentially-operating by designing requirement order oil cylinder when connecting and using.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of order oil cylinder, comprises cylinder body, multilayer piston rod, piston, front end housing and core bar, described front end housing is arranged on one end of cylinder body, the inner chamber being formed and close is coordinated with cylinder body, described multilayer piston rod and piston are all arranged in the inner chamber of cylinder body, one end of described multilayer piston rod is provided with piston, the other end of described multilayer piston rod is provided with connecting head, the inner chamber of cylinder body is separated into rod chamber and rodless cavity by described piston, described core bar is hollow shape, described core bar is arranged in multilayer piston rod, the arranged outside of described cylinder body has the hydraulic fluid port A and hydraulic fluid port B that pass in and out for hydraulic oil, described connecting head is provided with the hydraulic fluid port A1 for connecting next stage oil cylinder oil inlet and outlet and hydraulic fluid port B1, one end of described core bar is communicated with hydraulic fluid port A, the other end of described core bar is provided with oil outlet, when described multilayer piston rod does not stretch out, oil outlet on described core bar is closed, when described multilayer piston rod stretches out, oil outlet on described core bar is communicated with the A1 mouth on connecting head, described hydraulic fluid port B is communicated with the hydraulic fluid port B1 on connecting head.
Described connecting head is provided with stroke valve, and the rodless cavity of secondary oil cylinder is communicated with core bar by described stroke valve, carries out oil return, for the withdrawal of oil cylinder.
Described cylinder body is provided with one-way valve, and described one-way valve is for regulating the oil pressure of hydraulic fluid port A.
The beneficial effect that the utility model compared with prior art has is: the utility model adopts special piston rod, makes oil cylinder in series operation, realize the sequentially-operating of mechanism.The utility model can realize (oil cylinder cylinder diameter >=80mm) in less oil cylinder in addition.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is working oil path schematic diagram of the present utility model.
In figure: 1 be cylinder body, 2 be multilayer piston rod, 3 be piston, 4 be front end housing, 5 be one-way valve, 6 be core bar, 7 be stroke valve, 8 for connecting head.
Embodiment
As shown in Figure 1 and Figure 2, a kind of order of the utility model oil cylinder, comprises cylinder body 1, multilayer piston rod 2, piston 3, front end housing 4 and core bar 6, described front end housing 4 is arranged on one end of cylinder body 1, the inner chamber being formed and close is coordinated with cylinder body 1, described multilayer piston rod 2 and piston 3 are all arranged in the inner chamber of cylinder body 1, one end of described multilayer piston rod 2 is provided with piston 3, the other end of described multilayer piston rod 2 is provided with connecting head 8, the inner chamber of cylinder body 1 is separated into rod chamber and rodless cavity by described piston 3, described core bar 6 is in hollow shape, described core bar 6 is arranged in multilayer piston rod 2, the arranged outside of described cylinder body 1 has the hydraulic fluid port A and hydraulic fluid port B that pass in and out for hydraulic oil, described connecting head 8 is provided with the hydraulic fluid port A1 for connecting next stage oil cylinder oil inlet and outlet and hydraulic fluid port B1, one end of described core bar 6 is communicated with hydraulic fluid port A, the other end of described core bar 6 is provided with oil outlet, when described multilayer piston rod 2 does not stretch out, oil outlet on described core bar 6 is closed, when described multilayer piston rod 2 stretches out, oil outlet on described core bar 6 is communicated with the A1 mouth on connecting head 8, described hydraulic fluid port B is communicated with the hydraulic fluid port B1 on connecting head 8.
Described connecting head 8 is provided with stroke valve 7, and the rodless cavity of secondary oil cylinder is communicated with core bar 6 by described stroke valve 7, carries out oil return, for the withdrawal of oil cylinder.
Described cylinder body 1 is provided with one-way valve 5, and described one-way valve 5 is for regulating the oil pressure of hydraulic fluid port A.
Working procedure of the present utility model: hydraulic fluid port A oil-feed, hydraulic fluid port B oil return when the multilayer piston rod 2 of oil cylinder stretches out in the utility model, all stretches out the multilayer piston rod 2 of oil cylinder; At this moment hydraulic fluid port A is by the oil outlet on core bar 6 and hydraulic fluid port A1 UNICOM, and be connected with the hydraulic fluid port A of next stage oil cylinder by hydraulic fluid port A1, next stage oil cylinder carries out extend action; Hydraulic fluid port B oil-feed when the multilayer piston rod 2 of oil cylinder reclaims, flows into the rod chamber of final stage oil cylinder by hydraulic fluid port B1; At this moment the hydraulic oil of rodless cavity passes through core bar 6 oil return of each oil cylinder; When the multilayer piston rod 2 of final stage oil cylinder is all regained, by the stroke valve 7 of the secondary oil cylinder of mechanism opening, the hydraulic oil of secondary oil cylinder rodless cavity is by core bar 6 oil return; Each oil cylinder according to this order reclaims.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (3)
1. an order oil cylinder, is characterized in that: comprise cylinder body (1), multilayer piston rod (2), piston (3), front end housing (4) and core bar (6), described front end housing (4) is arranged on one end of cylinder body (1), the inner chamber being formed and close is coordinated with cylinder body (1), described multilayer piston rod (2) and piston (3) are all arranged in the inner chamber of cylinder body (1), one end of described multilayer piston rod (2) is provided with piston (3), the other end of described multilayer piston rod (2) is provided with connecting head (8), the inner chamber of cylinder body (1) is separated into rod chamber and rodless cavity by described piston (3), described core bar (6) is in hollow shape, described core bar (6) is arranged in multilayer piston rod (2), the arranged outside of described cylinder body (1) has the hydraulic fluid port A and hydraulic fluid port B that pass in and out for hydraulic oil, described connecting head (8) is provided with the hydraulic fluid port A1 for connecting next stage oil cylinder oil inlet and outlet and hydraulic fluid port B1, one end of described core bar (6) is communicated with hydraulic fluid port A, the other end of described core bar (6) is provided with oil outlet, when described multilayer piston rod (2) is not stretched out, oil outlet on described core bar (6) is closed, when described multilayer piston rod (2) is stretched out, oil outlet on described core bar (6) is communicated with the A1 mouth on connecting head (8), described hydraulic fluid port B is communicated with the hydraulic fluid port B1 on connecting head (8).
2. a kind of order oil cylinder according to claim 1, it is characterized in that: described connecting head (8) is provided with stroke valve (7), the rodless cavity of secondary oil cylinder is communicated with core bar (6) by described stroke valve (7), carries out oil return, for the withdrawal of oil cylinder.
3. a kind of order oil cylinder according to claim 1 and 2, it is characterized in that: described cylinder body (1) is provided with one-way valve (5), described one-way valve (5) is for regulating the oil pressure of hydraulic fluid port A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861241.5U CN205207322U (en) | 2015-11-02 | 2015-11-02 | Sequential oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861241.5U CN205207322U (en) | 2015-11-02 | 2015-11-02 | Sequential oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207322U true CN205207322U (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520861241.5U Active CN205207322U (en) | 2015-11-02 | 2015-11-02 | Sequential oil cylinder |
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| Country | Link |
|---|---|
| CN (1) | CN205207322U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221520A (en) * | 2015-11-02 | 2016-01-06 | 长治清华机械厂 | Order oil cylinder |
-
2015
- 2015-11-02 CN CN201520861241.5U patent/CN205207322U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221520A (en) * | 2015-11-02 | 2016-01-06 | 长治清华机械厂 | Order oil cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 6 mailbox of Changzhi City, Shanxi Province, Shanxi Co-patentee after: China Academy of Launch Vehicle Technology Patentee after: Shanxi spaceflight Qinghua Equipment Co., Ltd. Address before: No. 6 mailbox of Changzhi City, Shanxi Province, Shanxi Co-patentee before: China Academy of Launch Vehicle Technology Patentee before: Qinghua Machinery Plant, Changzhi |