CN209761908U - Primary and secondary quick loading oil cylinder - Google Patents

Primary and secondary quick loading oil cylinder Download PDF

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Publication number
CN209761908U
CN209761908U CN201920432968.XU CN201920432968U CN209761908U CN 209761908 U CN209761908 U CN 209761908U CN 201920432968 U CN201920432968 U CN 201920432968U CN 209761908 U CN209761908 U CN 209761908U
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China
Prior art keywords
cylinder
chamber
piston rod
hydraulic fluid
cylinder body
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CN201920432968.XU
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Chinese (zh)
Inventor
蒋英杰
屈建平
周敏杰
徐冰
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CHANGZHOU XUANDA HYDRAULIC ELECTRICAL AND MECHANICAL EQUIPMENT CO LTD
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CHANGZHOU XUANDA HYDRAULIC ELECTRICAL AND MECHANICAL EQUIPMENT CO LTD
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Priority to CN201920432968.XU priority Critical patent/CN209761908U/en
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Abstract

The utility model relates to a quick loading hydro-cylinder of primary and secondary, including cylinder body, piston rod and the piston of setting in the cylinder body and the prefill valve of setting in cylinder body one end, set up the pole chamber and the rodless chamber that have of being linked together in the cylinder body, the piston rod sets up and can follow the pole chamber and remove in having the pole intracavity, has seted up the slip chamber in the piston rod, the slip intracavity of piston rod is inserted to piston one end, and the other end stretches out the piston rod and fix outside in rodless intracavity, it has pole chamber hydraulic fluid port, loculus hydraulic fluid port and big chamber hydraulic fluid port to have seted up on the cylinder body, have pole chamber hydraulic fluid port and have the pole chamber intercommunication, loculus hydraulic fluid port and slip chamber intercommunication, big chamber hydraulic fluid port and. The primary and secondary quick loading oil cylinder can not only take charge of a quick movement function, but also realize a large load loading function through the mutual matching of the piston rod and the piston, and the production efficiency is improved.

Description

Primary and secondary quick loading oil cylinder
The technical field is as follows:
the utility model relates to a hydraulic cylinder field especially relates to a primary and secondary quick loading hydro-cylinder.
Background art:
Some equipment need quick motion to hydraulic cylinder during operation, improve production efficiency, and traditional hydro-cylinder only has a piston, can't realize both quick motion, and big load loading, so need design a double-piston hydro-cylinder structure, can be responsible for quick motion function, can realize big load loading function again.
The utility model has the following contents:
In order to solve the technical problem, the utility model provides a simple structure, convenient to use, the fast loading hydro-cylinder of primary and secondary that loading speed is fast, loading load is big.
the utility model adopts the following technical scheme:
The utility model provides a primary and secondary quick loading hydro-cylinder, includes the cylinder body, sets up piston rod and piston in the cylinder body and sets up the prefill valve in cylinder body one end, set up the pole chamber and the rodless chamber that have that are linked together in the cylinder body, the piston rod sets up and can follow the pole chamber and remove having the pole intracavity, has seted up the slip chamber in the piston rod, the slip intracavity of piston rod is inserted to piston one end, and the other end stretches out the piston rod and fixes outside and in the rodless intracavity, it has pole chamber hydraulic fluid port, little chamber hydraulic fluid port and big chamber hydraulic fluid port to have seted up on the cylinder body, there is pole chamber hydraulic fluid port and has pole chamber intercommunication, little chamber hydraulic fluid port and slip chamber intercommunication, big chamber hydraulic.
in order to facilitate the disassembly and assembly, the cylinder body comprises a cylinder head, a body and a cylinder bottom which are sequentially detachably connected.
In order to discharge redundant hydraulic oil, an oil discharging port is formed in the cylinder head and is communicated with the rod cavity.
In order to facilitate air exhaust, an air exhaust port is formed in the cylinder bottom and is communicated with the rodless cavity.
In order to be communicated with each cavity, the rod cavity oil port and the small cavity oil port are arranged on the body, and the large cavity oil port is arranged at the bottom of the cylinder.
The utility model has the advantages of as follows: the primary and secondary quick loading oil cylinder can not only take charge of a quick movement function, but also realize a large load loading function through the mutual matching of the piston rod and the piston, and the production efficiency is improved.
Description of the drawings:
FIG. 1 is a schematic view of a three-dimensional structure of the master-slave quick loading cylinder of the present invention;
Fig. 2 is a schematic structural view of each oil port of the primary and secondary quick loading oil cylinders of the present invention;
FIG. 3 is a cross-sectional view of the primary and secondary quick loading cylinders of the present invention;
The cylinder comprises a cylinder head 1, a cylinder head 2, a body 3, a cylinder bottom 4, a liquid filling valve 5, a piston rod 6, a piston 7, a rodless cavity 8, a rod cavity oil port 9, a small cavity oil port 10, a large cavity oil port 11, an oil discharge port 12 and an exhaust port 12.
The specific implementation mode is as follows:
the following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.
the quick primary and secondary loading oil cylinder shown in fig. 1-3 comprises a cylinder body, a piston rod 5 and a piston 6 which are arranged in the cylinder body, and a liquid charging valve 4 arranged at one end of the cylinder body.
The cylinder body comprises a cylinder head 1, a body 2 and a cylinder bottom 3 which are sequentially detachably connected, a rod cavity and a rodless cavity 7 which are communicated are formed in the cylinder body, the piston rod 5 is arranged in the rod cavity and can move left and right along the rod cavity, the piston rod is equivalent to a large piston, and the rodless cavity 7 which can be filled with oil is formed between the right end of the piston rod 5 and the body 2. A sliding cavity is formed in the piston rod 5, the left end of the piston 6 is inserted into the sliding cavity of the piston rod 5, and the other end of the piston extends out of the piston rod 5 and is fixed in the rodless cavity 7, which is equivalent to a small piston. The hydraulic cylinder is characterized in that a rod cavity oil port 8 and a small cavity oil port 9 are formed in the body 2, a large cavity oil port 10 is formed in the cylinder bottom 3, the rod cavity oil port 8 is communicated with the rod cavity, the small cavity oil port 9 is communicated with the sliding cavity, and the large cavity oil port 10 is communicated with the rodless cavity 7. The cylinder head 1 is provided with an oil discharging port 11, the oil discharging port 11 is communicated with the rod cavity, the cylinder bottom 3 is provided with an air outlet 12, and the air outlet 12 is communicated with the rodless cavity 7.
The utility model discloses the theory of operation as follows:
1. quick extension process of the piston rod 5: the piston 6 is fixed with the bottom of the cylinder body, the small cavity oil port 9 is used for feeding oil, the piston 6 is small in area and free of load, the piston rod 5 can be rapidly pushed outwards with small flow, and when the piston rod 5 moves to a required position, the large cavity oil port 10 starts to feed pressure oil, so that a loading function is realized; when the piston rod 5 moves rapidly, the liquid filling valve 4 arranged at the cylinder bottom 3 is automatically opened and connected with an oil tank, and the liquid filling valve 4 can supplement oil to the rodless cavity 7 at a large flow.
2. quick retraction process of the piston rod 5: after the rod cavity oil port 8 is communicated with pressure oil, the rapid retraction process of the piston rod 5 can be directly realized due to the small capacity of the rod cavity, the liquid filling valve 4 at the bottom of the oil cylinder is automatically opened at the moment, and the hydraulic oil in the rodless cavity 7 rapidly returns to the oil tank through the liquid filling valve 4.
3. the rodless cavity 7 of the oil cylinder is provided with an exhaust port 12, the cylinder head 1 is provided with an oil discharging port 11 which is directly communicated with the oil tank, hydraulic oil can be taken out when the piston rod 5 moves rapidly, and redundant hydraulic oil returns to the oil tank through the oil discharging port 11.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (5)

1. The utility model provides a primary and secondary quick loading hydro-cylinder, includes cylinder body, sets up piston rod and the piston in the cylinder body and sets up the prefill valve in cylinder body one end which characterized in that: the utility model discloses a hydraulic cylinder, including the cylinder body, the cylinder body is equipped with the pole chamber that has and the rodless chamber that are linked together in the cylinder body, the piston rod sets up and has the pole intracavity and can follow the pole chamber and remove, has seted up the slip chamber in the piston rod, the slip intracavity of piston rod is inserted to piston one end, and the other end stretches out the piston rod and fixes outside and in the rodless intracavity, have pole chamber hydraulic fluid port, loculus hydraulic fluid port and big chamber hydraulic fluid port seted up on the cylinder body, have pole chamber hydraulic fluid port and have pole chamber intercommunication, loculus hydraulic fluid port and slip chamber intercommunication, big chamber hydraulic fluid.
2. the primary-secondary quick loading oil cylinder according to claim 1, characterized in that: the cylinder body comprises a cylinder head, a body and a cylinder bottom which are detachably connected in sequence.
3. The primary-secondary quick loading oil cylinder according to claim 2, characterized in that: an oil discharge port is formed in the cylinder head and is communicated with the rod cavity.
4. The primary-secondary quick loading oil cylinder according to claim 2, characterized in that: an exhaust port is formed in the cylinder bottom and is communicated with the rodless cavity.
5. the primary-secondary quick loading oil cylinder according to claim 2, characterized in that: the rod cavity oil port and the small cavity oil port are arranged on the body, and the large cavity oil port is arranged at the bottom of the cylinder.
CN201920432968.XU 2019-04-01 2019-04-01 Primary and secondary quick loading oil cylinder Active CN209761908U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920432968.XU CN209761908U (en) 2019-04-01 2019-04-01 Primary and secondary quick loading oil cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920432968.XU CN209761908U (en) 2019-04-01 2019-04-01 Primary and secondary quick loading oil cylinder

Publications (1)

Publication Number Publication Date
CN209761908U true CN209761908U (en) 2019-12-10

Family

ID=68757486

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920432968.XU Active CN209761908U (en) 2019-04-01 2019-04-01 Primary and secondary quick loading oil cylinder

Country Status (1)

Country Link
CN (1) CN209761908U (en)

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