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Release cylinder

A cylinder and piston rod technology, which is applied to fluid pressure actuating devices, servo motors, mechanical equipment, etc., can solve problems such as the influence of piston rods, and achieve the effect of simple composition

Inactive Publication Date: 2005-02-16
SMC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this known example, when the piston rod on one side advances, the driving fluid pressure also acts backward on the piston rod locked on the other side of the advancing end, so the acting force is controlled by the locked piston rod. The piston rod acts on the piston rod on the other side in the direction perpendicular to the axis through the lock mechanism, thereby affecting the advancing piston rod

Method used

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Embodiment Construction

[0021] figure 1 It shows the embodiment of the escape cylinder related to the present invention. This escape cylinder is configured by arranging first and second cylinders 2A and 2B in parallel in one cylinder body 1 . These cylinders 2A, 2B respectively include: pistons 3A, 3B sliding inside cylinder bores; Head-side pressure chambers 5A, 5B and rod-side pressure chambers 6A, 6B are respectively formed on both sides of 3B. By alternately supplying pressure fluid to the head side pressure chambers 5A, 5B, the piston rods 4A, 4B alternately advance and retreat. For example, if figure 1 As shown, when the second piston rod 4B is at the forward end, the other first piston rod 4A retreats, and conversely, the first piston rod 4A starts to advance from the retreat end shown in the figure, and when it reaches the forward end or approaches the forward end , the second piston rod 4B at the forward end will retreat.

[0022] The two cylinders 2A, 2B of the above-mentioned escapeme...

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Abstract

When one piston 3A and 3B moves to the forward edge by the pressured fluid supplied to the head side pressured chamber 5A and 5B, two communicating paths 11A and 11B communicates the head side pressured chamber 5A and 5B with the rod side pressured chamber 5B and 5A of other piston 3B and 3A. In a rod holding unit plate, the rod holding unit plate is provided such that one engaging unit 21A and 21B of the rod holding unit plate is in sliding contact with the side surface of this piston rod 4A and 4B to regulate the oscillation during one piston rod 4A and 4B is making forward or is setting back. At the same time, the rod holding unit plate is provided such that other engaging unit 21B and 21A of the rod holding unit plate 21 is engaged in the hollow 25 of other piston rod 4B and 4A located at the forward edge to engage the returning operation of the piston rod.

Description

technical field [0001] The present invention relates to a cylinder for escapement which performs stable operation. Background technique [0002] Prior art (such as utility model registration No. 2514783) has known such an escapement cylinder, that is, due to the effect of pressure fluid, the piston rods of the two cylinders arranged side by side in the cylinder body alternately advance and retreat, and, in When the piston rod on one side reaches near the forward end, the piston rod on the other side moves backward. In this known escapement cylinder, when the first piston rod reaches the forward end, the pressure fluid for advancing the first piston rod is introduced to the cylinder on the other side through the communication passage provided between the two cylinders. In the pressure chamber on the side where the piston rod is retracted, the piston rod is retracted by the pressure fluid. [0003] In the escapement cylinder constructed in this way, the pressure fluid is sui...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/00F15B11/20F15B15/26
CPCY10T74/2142F15B15/262F15B11/20
Inventor 原耕二高田进
Owner SMC CORP