CN201627774U - High-pressure heavy cylinder - Google Patents

High-pressure heavy cylinder Download PDF

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Publication number
CN201627774U
CN201627774U CN2010201474341U CN201020147434U CN201627774U CN 201627774 U CN201627774 U CN 201627774U CN 2010201474341 U CN2010201474341 U CN 2010201474341U CN 201020147434 U CN201020147434 U CN 201020147434U CN 201627774 U CN201627774 U CN 201627774U
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CN
China
Prior art keywords
cylinder
piston
cylinder cover
cover
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010201474341U
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Chinese (zh)
Inventor
竺开明
董玉芬
钟并旦
Original Assignee
董玉芬
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 董玉芬 filed Critical 董玉芬
Priority to CN2010201474341U priority Critical patent/CN201627774U/en
Application granted granted Critical
Publication of CN201627774U publication Critical patent/CN201627774U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses the manufacturing technique of a high-pressure heavy cylinder, which overcomes the shortcomings that a piston rod of an existing product has short effective travel and poor sealing performance between a piston and the inner wall of a cylinder body. The high-pressure heavy cylinder comprises a cylinder body, a front cylinder cover and a rear cylinder cover, wherein the cylinder body is arranged in the middle of the cylinder, and the front cylinder cover and the rear cylinder cover are arranged at two ends of the cylinder. A piston is arranged inside an inner cavity of the cylinder body and connected with a piston rod; the piston rod extends out of the cylinder body from a through hole of the front cylinder cover; a sliding bearing and a dustproof ring are sequentially arranged inside an inner cavity of the through hole of the front cylinder cover from inside to outside; the rear cylinder cover is provided with a conical air inlet; a radial air exhaust opening is arranged on the lateral wall of the front cylinder cover; the air exhaust opening is communicated with the inner cavity of the cylinder body through the through hole of the front cylinder cover; a wear-resistant ring is embedded into the middle of the circumferential wall of the piston; a first sealing ring and a second sealing ring are respectively arranged on two sides of the wear-resistant ring; and cushion pads are respectively arranged on two end surfaces of the piston. The high-pressure heavy cylinder has the advantages of simple structure, fine sealing performance between the piston and the cylinder body and long service life, and can be widely applicable to the needs of supporting application of special heavy-duty equipment.

Description

The heavy cylinder of a kind of high pressure
Technical field
The utility model relates to a kind of pneumatic element manufacturing technology, especially refers to the structure technology of heavy cylinder piston of high pressure and cylinder cap.
Background technique
Cylinder is a kind of more common pneumatic control components, and its application area is extremely extensive; Traditional product cylinder comprises critical pieces such as cylinder body, cylinder cap, piston and the piston rod composition of sealing, and its relies on the air pressure that acts on piston end surface to form thrust, realizes pneumatic control thereby piston rod is stretched.Because the difference of application, cylinder of a great variety, have nothing in common with each other, for the related heavy cylinder field of the utility model patent application, under identical operating air pressure effect, then need to increase piston area to obtain enough thrust.At present, the many peripheral wall settings at cylinder body of the heavy product cylinder of this type of high pressure connect gas port, adopt the effective travel that can shorten piston rod after this structure, reduce cylinder usefulness; In addition because the increase of piston area, how the sealing and the wear-resisting property of jigger lifting piston peripheral wall and inboard wall of cylinder block, increase the service life, be a big general character difficult problem that perplexs those skilled in the art always.
The model utility content
The technical problems to be solved in the utility model is defective and the deficiency that overcomes piston rod effective travel weak point, piston and the inboard wall of cylinder block poor sealing performance of the heavy cylinder of existing high pressure, provide the heavy product cylinder of high pressure of a kind of piston rod effective travel length, cylinder block material utilization ratio height, piston and inboard wall of cylinder block good seal performance, long service life to society, required to satisfy the supporting application of extraordinary heave-load device.
The technological scheme that its technical problem that solves the utility model adopts is: the heavy cylinder of high pressure comprises the cylinder body at middle part and is located at front end housing, the back cylinder cover at two ends, described inner chamber of cylinder block is provided with piston, described piston is connected with piston rod, and described piston rod stretches out described cylinder body by described front end housing through hole; Described front end housing through hole inner chamber from-inner-to-outer is provided with sliding bearing and dust ring successively, and described back cylinder cover is provided with the taper suction port, and the sidewall of described front end housing is provided with radially relief opening, and described relief opening is communicated with described inner chamber of cylinder block through described front end housing through hole; The peripheral wall middle part of described piston is embedded with wear ring, and the both sides of described wear ring are respectively equipped with seal ring one and seal ring two.
Two end faces of described piston are respectively equipped with cushion pad one and cushion pad two; The described back cylinder cover end face that is positioned at described taper suction port periphery is provided with a plurality of screw threads and connects the hole; Described front end housing is provided with seal ring one with the thread root that described cylinder body spins mutually, and described back cylinder cover is provided with seal ring two with the thread root that described cylinder body spins mutually.
The heavy product cylinder of the utility model high pressure is provided with the taper suction port at the back cylinder cover end face, and the front end housing sidewall is provided with radially relief opening; After adopting this spline structure, piston can stretch in the cylinder body length range, and effective travel increases greatly, the cylinder block material utilization ratio improves; When piston moved at inner chamber of cylinder block, the wear ring that is embedded at piston peripheral wall middle part contacted with inner chamber of cylinder block, plays leading role; Second the seal ring one and the seal ring of wear ring both sides play seal action.Compare than existing product, have the advantage of simple and practical, piston and inboard wall of cylinder block good seal performance, long service life, it is required to be widely used in the supporting application of extraordinary heave-load device.
Description of drawings
Fig. 1 is the structural representation of the utility model product.
Embodiment
As shown in Figure 1, the heavy cylinder of the utility model high pressure comprises the cylinder body 2 at middle part and is located at front end housing 1, the back cylinder cover 4 at two ends, described front end housing 1 is provided with seal ring 1 with the thread root that described cylinder body 2 spins mutually, and described back cylinder cover 4 is provided with seal ring 25 with the thread root that described cylinder body 2 spins mutually; Described cylinder body 2 inner chambers are provided with piston 6, and described piston 6 is connected with piston rod 7, and described piston rod 7 stretches out described cylinder body 2 by described front end housing 1 through hole 18; Described back cylinder cover 4 is provided with taper suction port 15, and described back cylinder cover 4 end faces that are positioned at described taper suction port 15 peripheries are provided with a plurality of screw threads and connect hole 16; Described front end housing 1 through hole 18 inner chamber from-inner-to-outers are provided with sliding bearing 10 and dust ring 9 successively, and the sidewall of described front end housing 1 is provided with radially relief opening 11, and described relief opening 11 is communicated with described cylinder body 2 inner chambers through described front end housing 1 through hole 18; Two end faces of described piston 6 are respectively equipped with cushion pad 1 and cushion pad 2 17, and the peripheral wall middle part of described piston 6 is embedded with wear ring 12, and the both sides of described wear ring 12 are respectively equipped with seal ring 1 and seal ring 2 14.
Continue in conjunction with the accompanying drawings summary the utility model working principle below.Exterior edge face at back cylinder cover 4 connects hole 16 connection air inlet tubes by a plurality of screw threads, acts on piston 6 its right end face by taper suction port 15 direct air feed during work, and propelling piston bar 7 moves to left, and simultaneously waste gas in the cylinder body 2 is discharged by relief opening 11; When piston rod 7 moved to left, piston rod 7 necks were subjected to sliding bearing 10 guiding and precisely move, and finish pneumatic operation; And piston 6 is when cylinder body 2 inner chambers move, and the wear ring 12 that is embedded at piston 6 peripheral wall middle part contacts with cylinder body 2 inner chambers, plays leading role; 2 14 of the seal ring 1 of wear ring 12 both sides and seal rings play seal action.

Claims (2)

1. the heavy cylinder of a high pressure, the heavy cylinder of high pressure comprise the cylinder body at middle part and be located at front end housing, the back cylinder cover at two ends, and described inner chamber of cylinder block is provided with piston, and described piston is connected with piston rod, and described piston rod stretches out described cylinder body by described front end housing through hole; Described front end housing through hole inner chamber from-inner-to-outer is provided with sliding bearing and dust ring successively, it is characterized in that: described back cylinder cover is provided with the taper suction port, the sidewall of described front end housing is provided with radially relief opening, and described relief opening is communicated with described inner chamber of cylinder block through described front end housing through hole; The peripheral wall middle part of described piston is embedded with wear ring, and the both sides of described wear ring are respectively equipped with seal ring one and seal ring two.
2. the heavy cylinder of high pressure according to claim 1, it is characterized in that: two end faces of described piston are respectively equipped with cushion pad one and cushion pad two; The described back cylinder cover end face that is positioned at described taper suction port periphery is provided with a plurality of screw threads and connects the hole; Described front end housing is provided with seal ring one with the thread root that described cylinder body spins mutually, and described back cylinder cover is provided with seal ring two with the thread root that described cylinder body spins mutually.
CN2010201474341U 2010-03-28 2010-03-28 High-pressure heavy cylinder Expired - Fee Related CN201627774U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201474341U CN201627774U (en) 2010-03-28 2010-03-28 High-pressure heavy cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201474341U CN201627774U (en) 2010-03-28 2010-03-28 High-pressure heavy cylinder

Publications (1)

Publication Number Publication Date
CN201627774U true CN201627774U (en) 2010-11-10

Family

ID=43059168

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201474341U Expired - Fee Related CN201627774U (en) 2010-03-28 2010-03-28 High-pressure heavy cylinder

Country Status (1)

Country Link
CN (1) CN201627774U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267042A (en) * 2013-06-17 2013-08-28 苏州友邦汽车底盘科技有限公司 Hydraulic cylinder
CN104061204A (en) * 2014-07-09 2014-09-24 苏州晓炎自动化设备有限公司 Cylinder body
CN104154072A (en) * 2014-07-30 2014-11-19 莱歇研磨机械制造(上海)有限公司 Improved structure of hydraulic cylinder of hydraulic loading system for mill
CN104712610A (en) * 2013-12-13 2015-06-17 航宇救生装备有限公司 High-speed cylinder with buffer device
CN104791321A (en) * 2015-04-16 2015-07-22 佛山市金凯地过滤设备有限公司 Pressure quantitative conducted oil port structure of presser oil cylinder device
CN105485084A (en) * 2016-01-04 2016-04-13 广州市诚臻电子科技有限公司 Nonmetal air cylinder for electromagnetic compatibility test and antenna device and system with adjustable rotation angle
CN105572506A (en) * 2016-01-04 2016-05-11 广州市诚臻电子科技有限公司 Nonmetal position sensor, antenna automatic positioning device and antenna automatic positioning system for electromagnetic compatibility test

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267042A (en) * 2013-06-17 2013-08-28 苏州友邦汽车底盘科技有限公司 Hydraulic cylinder
CN104712610A (en) * 2013-12-13 2015-06-17 航宇救生装备有限公司 High-speed cylinder with buffer device
CN104061204A (en) * 2014-07-09 2014-09-24 苏州晓炎自动化设备有限公司 Cylinder body
CN104154072A (en) * 2014-07-30 2014-11-19 莱歇研磨机械制造(上海)有限公司 Improved structure of hydraulic cylinder of hydraulic loading system for mill
CN104791321A (en) * 2015-04-16 2015-07-22 佛山市金凯地过滤设备有限公司 Pressure quantitative conducted oil port structure of presser oil cylinder device
CN104791321B (en) * 2015-04-16 2017-09-26 佛山市金凯地过滤设备有限公司 A kind of oil port structure of the metered dose conducting of squeezer cylinder apparatus
CN105485084A (en) * 2016-01-04 2016-04-13 广州市诚臻电子科技有限公司 Nonmetal air cylinder for electromagnetic compatibility test and antenna device and system with adjustable rotation angle
CN105572506A (en) * 2016-01-04 2016-05-11 广州市诚臻电子科技有限公司 Nonmetal position sensor, antenna automatic positioning device and antenna automatic positioning system for electromagnetic compatibility test
CN105485084B (en) * 2016-01-04 2018-04-17 广州市诚臻电子科技有限公司 A kind of nonmetallic cylinder, rotation angle adjustable antenna apparatus and system for electromagnetic compatibility test
CN105572506B (en) * 2016-01-04 2018-11-23 广州市诚臻电子科技有限公司 A kind of nonmetallic position sensor, antenna automatic positioning equipment and system for electromagnetic compatibility test
US10608333B2 (en) 2016-01-04 2020-03-31 Guangzhou Changen Electronic Technology Co., Ltd Non-metal pneumatic cylinder for use in electromagnetic compatibility test, antenna device having adaptable angle of rotation, and system

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
EE01 Entry into force of recordation of patent licensing contract

Assignee: Fenghua Jinfeng Machinery Co., Ltd.

Assignor: Dong Yufen

Contract record no.: 2011330000196

Denomination of utility model: High-pressure heavy cylinder

Granted publication date: 20101110

License type: Exclusive License

Record date: 20110406

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101110

Termination date: 20130328

C17 Cessation of patent right