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Stroke adjustable oil cylinder

A stroke and oil adjustment technology, applied in the field of adjustable stroke oil cylinders, can solve the problems of inconvenient adjustment, leakage, and difficulty in ensuring sealing, and achieve the effects of complete functions, accurate stroke control and good sealing.

Inactive Publication Date: 2013-02-13
泸州华西机械有限责任公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most of the stroke adjustable oil cylinders commonly used are equipped with a stroke adjustment rod on the cylinder head. The stroke adjustment rod is made of external thread, and the stroke adjustment screw sleeve is connected with the stroke adjustment rod through the internal thread. The stroke adjustment device is on the upper part of the cylinder, and the adjustment is extremely inconvenient. , and the stroke adjustment rod needs to be in contact with the oil in the cylinder, more sealing structures need to be installed, the sealing is difficult to guarantee, and leakage often occurs

Method used

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Embodiment Construction

[0012] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0013] like figure 1 , figure 2 As shown, the stroke-adjustable oil cylinder includes a cylinder body 1, a cylinder head 2, a piston rod 3, a piston 4, and a rodless chamber oil port 5. There is a mounting seat 1a solidly connected at the front end of the cylinder body 1, and the mounting seat 1a A worm 7 and a worm wheel 8 meshed with the worm 7 are provided through the bearing 6 inside, and a travel positioning sleeve 9 is provided sliding on the piston rod 3, and the inner hole of the worm wheel 8 is connected with the travel positioning sleeve 9 through threads, and the travel positioning sleeve 9 is located on the The inner side of the mounting seat 1a and the cylinder body 1 is fixedly connected with a worm gear positioning sleeve 10 at the front end of the mounting seat 1a; The front end of the inner hole is provided with a quick piston rod 11 in th...

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Abstract

The invention discloses a stroke adjustable oil cylinder which comprises a cylinder body, a cylinder head, a piston rod, a piston which is connected with the piston rod, and a rodless cavity oil opening. The stroke adjustable oil cylinder is characterized in that an installing seat is fixedly connected at the front end of the cylinder body, a worm and a worm gear which is meshed with the worm are arranged in the installing seat through bearings, a stroke positioning sleeve is arranged on the piston rod in sliding mode, the worm gear is connected with the stroke positioning sleeve through threads, the stroke positioning sleeve is arranged on the inner sides of the installing seat and the cylinder body, and a worm gear positioning sleeve is fixedly connected at the front end of the installing seat. The stroke adjustable oil cylinder has the advantages of being convenient to machine, and high in percent of pass. Meanwhile, a stroke is convenient and accurate to control, a stroke control part is not contacted with oil liquid, tightness is good, and leakage phenomenon is little.

Description

technical field [0001] The invention relates to an oil cylinder with adjustable stroke. Background technique [0002] At present, most of the stroke adjustable oil cylinders commonly used are equipped with a stroke adjustment rod on the cylinder head. The stroke adjustment rod is made of external thread, and the stroke adjustment screw sleeve is connected with the stroke adjustment rod through the internal thread. The stroke adjustment device is on the upper part of the cylinder, and the adjustment is extremely inconvenient. , and the stroke adjustment rod should be in contact with the oil in the cylinder body, more sealing structures need to be provided, the sealing performance is difficult to guarantee, and leakage often occurs. Contents of the invention [0003] The object of the present invention is to address the above-mentioned deficiencies in the prior art, to provide an adjustable stroke oil cylinder, which has the advantages of easy processing, high pass rate,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B15/14F15B15/20
Inventor 陈丽任小鸿梁德明王增亮
Owner 泸州华西机械有限责任公司
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