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Guide-equipped cylinder

A technology for cylinders and cylinder barrels, applied in the field of guided cylinders, can solve problems such as difficulty in corrosion resistance, and achieve the effects of avoiding corrosion, avoiding sintering, and improving wear resistance

Inactive Publication Date: 2006-03-22
SMC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at this time, there is a problem that it is difficult for these materials to have good corrosion resistance in the presence of moisture

Method used

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Examples

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Embodiment Construction

[0027] Hereinafter, preferred embodiments of the guided cylinder of the present invention will be described in detail with reference to the accompanying drawings.

[0028] FIG. 1 shows a roughly overall cross-sectional view of a guided cylinder in an axial direction according to an embodiment of the present invention. This band guide cylinder 10 comprises cylinder barrel 12; The piston rod 16 that can advance and retreat is inserted in the central inner hole 14 that is arranged on this cylinder barrel 12; The first guide rod 22 and the second guide rod 24 (all are guide components), The first guide rod 22 and the second guide rod 24 are respectively inserted into the first side bore 18 and the second side bore 20 provided near the center bore 14 so as to be able to advance and retreat, and are made of stainless steel. And one end portion of the piston rod 16, the first guide rod 22, and the second guide rod 24 protrudes from the central bore 14, the first side bore 18, and the...

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Abstract

The invention provides a cylinder with a guide which prevents the burning even at the time of an outflow of a lubricant, and prevents the corrosion of a guide member. A piston rod 16 is inserted to a central inner hole 14 of a cylinder tube 12 comprising the cylinder with the guide 10. Then a first guide rod 22 and a second guide rod 24, both of which are connected to the piston rod 16 through the medium of a connecting plate 26, are inserted to a first side inner hole 18 and a second side inner hole 20 respectively. Then the first guide rod 22 is drawn through each of the through holes of a first bush 82a and a second bush 84a, while the second guide rod 24 is drawn through each of the through holes of a third bush 82b and a fourth bush 84b. The side peripheral walls of the first guide rod 22 and the second guide rod 24 and the inner peripheral walls of the first bush 82a to the fourth bush 84b are covered with coatings 86 and 88 respectively.

Description

technical field [0001] The invention relates to a cylinder with a guide, which guides a piston rod through the forward and backward movement of a guide member. Background technique [0002] A fluid pressure cylinder generally has a cylinder barrel provided with an inner hole, and a piston rod whose one end protrudes from the inner hole while being operated by a pressurized fluid such as compressed air or pressurized oil in the inner hole. [0003] The piston rod is usually a long member that advances and retreats along its axis. Therefore, once a load in a direction perpendicular to the axial direction (hereinafter simply referred to as a lateral load) is applied to the front end portion of the piston rod protruding from the inner hole, the other end of the piston rod inserted into the inner hole moves along the Displacement occurs in the direction opposite to the lateral load. That is, for example, when the piston rod extends in the horizontal direction, if a vertically d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/14
CPCF16F2226/02F16F9/3207F16F2230/0052F15B15/1471F16C29/02F16C33/043C23C8/00
Inventor 浅叶毅奥平宏行
Owner SMC CORP