Piston rod supply oil supply pressure cylinder

A piston rod and oil supply technology, which is applied in the direction of fluid pressure actuating devices, can solve the problems of multiple oil cylinders and single action of the oil cylinder, and achieve the effects of improving integration, overcoming single action, and simplifying the overall structure

Inactive Publication Date: 2015-10-28
DALIAN HUAGEN MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The oil cylinder of this structure has a single action. If it is used in more complex action equipment, multiple oil cylinders or other driving mechanisms may be required.

Method used

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  • Piston rod supply oil supply pressure cylinder

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Embodiment Construction

[0008] Such as figure 1 Shown: 1 is the cylinder body, the cylinder body 1 is equipped with a piston 2, there is a first oil port 9 and a second oil port 10 on the cylinder body 1, and the first oil port 9 communicates with the oil chamber on the right side of the piston 2 , the second oil port 10 communicates with the left oil chamber of the piston 2. The right piston rod 23 that links to each other with piston 2 stretches out from the center hole of the front cover 3 of cylinder body 1 right end, is provided with rear cover 18 at the left end of cylinder body 1, between front cover 3 and rear cover 18 and cylinder body 1 is Bolted connection.

[0009] Piston 2 is connected with left piston rod 22, and piston 2, right piston rod 23, left piston rod 22 are integral structures. A left piston rod cavity 19 is processed inside the left piston rod 22, and a rightward protruding part is arranged on the rear cover 18. The rightward protruding part on the cover 18 can move axially...

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Abstract

Provided is a feed-in pressure supply oil cylinder with a piston rod supplying oil. A piston, a left piston rod and a right piston rod are arranged in a cylinder body, the left piston rod and the right piston rod are connected with the piston, a left piston rod inner cavity is arranged on the inner side of the left piston rod, a rightward stretching portion is arranged on a back cover and is inserted in the left piston rod inner cavity, a back cover oil channel is processed on the back cover, the back cover oil channel is communicated with a fourth oil port on the cylinder body and the left piston rod inner cavity, a first oil channel and a second oil channel are processed in the left piston rod, the piston and the right piston rod, the first oil channel is communicated the left piston rod inner cavity and a fifth oil port connected onto a connection body of the outer end of the right piston rod, a third oil port is arranged on the cylinder body and is communicated with a back oil cavity between the left piston rod and the cylinder body, and the back oil cavity is communicated with a sixth oil port on the connection body through a second oil channel. The oil cylinder overcomes the shortcoming that the existing oil cylinder is single in action, simplifies integral device structure, improves motility and flexibility and improves integration degree.

Description

technical field [0001] The invention relates to an oil cylinder, in particular to a feed pressure supply oil cylinder for oil supply by a piston rod. Background technique [0002] At present, oil cylinders are widely used in various equipment. The conventional oil cylinder structure includes a cylinder body, a piston is equipped in the cylinder body, and oil inlet and outlet ports connected to the hydraulic control mechanism are respectively provided on both sides of the piston on the cylinder body. The two ends of the cylinder body are provided with front and rear end covers, and the piston rod connected with the piston protrudes from the end cover, and some pistons and piston rods are made into an integral structure. The hydraulic control device supplies oil to and returns oil to the cylinder through pipelines, various valves, and various oil pumps. The piston rod can reciprocate under the drive of the piston to drive other mechanisms. The oil cylinder of this structure h...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/14F15B15/20
Inventor 宁甲亮刘翠韩林张允良刘大铭梁兴旺陶敏
Owner DALIAN HUAGEN MACHINERY
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