CN203926215U - A kind of oil hydraulic cylinder - Google Patents

A kind of oil hydraulic cylinder Download PDF

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Publication number
CN203926215U
CN203926215U CN201420332270.8U CN201420332270U CN203926215U CN 203926215 U CN203926215 U CN 203926215U CN 201420332270 U CN201420332270 U CN 201420332270U CN 203926215 U CN203926215 U CN 203926215U
Authority
CN
China
Prior art keywords
groove
cylinder
guide sleeve
cap
shoulder block
Prior art date
Application number
CN201420332270.8U
Other languages
Chinese (zh)
Inventor
吴舒艺
傅汉雄
黄新莲
李胜运
曾桓海
杨苑
Original Assignee
梅县梅雁旋窑水泥有限公司
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 梅县梅雁旋窑水泥有限公司 filed Critical 梅县梅雁旋窑水泥有限公司
Priority to CN201420332270.8U priority Critical patent/CN203926215U/en
Application granted granted Critical
Publication of CN203926215U publication Critical patent/CN203926215U/en

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Abstract

The utility model relates to a kind of oil hydraulic cylinder, comprise cylinder body, axial direction along cylinder body offers cavity, in described cavity, plunger is installed, on described plunger, guide sleeve is installed, on described guide sleeve, offers groove, described groove is with outstanding shoulder block, " Y " RunddichtringO is installed in groove, and one end contact of described groove is on shoulder block; On the inner cylindrical surface of guide sleeve, be outwards nested with sand prevention ring, in end face one side of guide sleeve, seal ring be installed; On described cylinder body, also by bolt, end cap is installed, one end contact of described end cap is on the end face of seal ring; One side of described end cap is nested with sand prevention ring.The utility model, by have additional shoulder block on groove, above liquid stream is flowed through groove time, on shoulder block, improves its sealing effect by one end contact of " Y " RunddichtringO.

Description

A kind of oil hydraulic cylinder

Technical field

the utility model relates to oil hydraulic cylinder technical field, relates in particular to a kind of oil hydraulic cylinder of good sealing effect.

Background technique

oil hydraulic cylinder by hydraulic energy change mechanical energy into, the do straight reciprocating motion hydraulic actuator of (or oscillating motion).Its simple in structure, reliable operation.While realizing to-and-fro motion with it, can remove speed reducer from, and there is no drive gap, motion steadily, is therefore used widely in the hydraulic system of various machineries.The pressure reduction on oil hydraulic cylinder ouput force and piston effective area and both sides thereof is directly proportional; Oil hydraulic cylinder is made up of cylinder barrel and cylinder cap, piston and piston rod, seal arrangement, damping device and venting gas appliance substantially.

requirement for working medium in hydraulic system is very high, and the piston assembly of current oil hydraulic cylinder, in long-term working procedure, easily produces wearing and tearing, causes its sealing effect to reduce, thereby causes leakage, when serious, also can make oil hydraulic cylinder scrap.

Model utility content

the purpose of this utility model is in order to overcome the deficiencies in the prior art, and a kind of oil hydraulic cylinder is provided, and has improved the sealing effect of oil hydraulic cylinder from structure.

the utility model is to be achieved through the following technical solutions:

a kind of oil hydraulic cylinder, comprise cylinder body, axial direction along cylinder body offers cavity, in described cavity, plunger is installed, on described plunger, guide sleeve is installed, on described guide sleeve, offers groove, described groove is with outstanding shoulder block, " Y " RunddichtringO is installed in groove, and one end contact of described groove is on shoulder block.

as optimal technical scheme of the present utility model, on the inner cylindrical surface of guide sleeve, be outwards nested with sand prevention ring, by setting up sand prevention ring, hard fine sand is stopped up in cylinder body.End face one side at guide sleeve is provided with seal ring; On described cylinder body, also by bolt, end cap is installed, one end contact of described end cap is on the end face of seal ring; One side of described end cap is nested with sand prevention ring.

compared with prior art, the beneficial effects of the utility model are: the utility model, by have additional shoulder block on groove, above liquid stream is flowed through groove time, on shoulder block, improves its sealing effect by one end contact of " Y " RunddichtringO.

Brief description of the drawings

fig. 1 is structural representation of the present utility model.

in figure: 1-cylinder body; 2-cavity; 3-plunger; 4-guide sleeve; 5-groove; 6-sand prevention ring; 7-seal ring; 8-bolt; 9-end cap; 10-" Y " RunddichtringO; 11-shoulder block.

Embodiment

in order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

refer to Fig. 1, Fig. 1 is structural representation of the present utility model.

described a kind of oil hydraulic cylinder, comprise cylinder body 1, offer cavity 2 along the axial direction of cylinder body 1, in described cavity 2, plunger 3 is installed, on described plunger 3, guide sleeve 4 is installed, on described guide sleeve 4, offers groove 5, described groove 5 is with outstanding shoulder block 11, " Y " RunddichtringO 10 is installed in groove 5, and one end contact of described groove 5 is on shoulder block 11.

on the inner cylindrical surface of guide sleeve 4, be outwards nested with sand prevention ring 6, by setting up sand prevention ring, hard fine sand stopped up in cylinder body.End face one side at guide sleeve 4 is provided with seal ring 7; Preferably, described seal ring 7 is " V " type combined seal ring.On described cylinder body 1, also by bolt 8, end cap 9 is installed, one end contact of described end cap 9 is on the end face of seal ring 7; One side of described end cap 9 is nested with sand prevention ring 6.

the utility model, by have additional shoulder block on groove, above liquid stream is flowed through groove time, on shoulder block, improves its sealing effect by one end contact of " Y " RunddichtringO.

the foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (2)

1. an oil hydraulic cylinder, comprise cylinder body (1), offer cavity (2) along the axial direction of cylinder body (1), plunger (3) is installed in described cavity (2), guide sleeve (4) is installed on described plunger (3), it is characterized in that: on described guide sleeve (4), offer groove (5), described groove (5) is with outstanding shoulder block (11), " Y " RunddichtringO (10) is installed in groove (5), and one end contact of described groove (5) is on shoulder block (11).
2. a kind of oil hydraulic cylinder according to claim 1, is characterized in that: on the inner cylindrical surface of guide sleeve (4), be outwards nested with sand prevention ring (6), in end face one side of guide sleeve (4), seal ring (7) be installed; On described cylinder body (1), also by bolt (8), end cap (9) is installed, one end contact of described end cap (9) is on the end face of seal ring (7); One side of described end cap (9) is nested with sand prevention ring (6).
CN201420332270.8U 2014-06-21 2014-06-21 A kind of oil hydraulic cylinder CN203926215U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420332270.8U CN203926215U (en) 2014-06-21 2014-06-21 A kind of oil hydraulic cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420332270.8U CN203926215U (en) 2014-06-21 2014-06-21 A kind of oil hydraulic cylinder

Publications (1)

Publication Number Publication Date
CN203926215U true CN203926215U (en) 2014-11-05

Family

ID=51822032

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420332270.8U CN203926215U (en) 2014-06-21 2014-06-21 A kind of oil hydraulic cylinder

Country Status (1)

Country Link
CN (1) CN203926215U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105221516A (en) * 2015-10-28 2016-01-06 无锡阳工机械制造有限公司 A kind of anti-loosing type oil cylinder cover structure
CN105221523A (en) * 2015-10-28 2016-01-06 无锡阳工机械制造有限公司 A kind of with returning hook oil cylinder cover anti-loose structure
CN105221522A (en) * 2015-10-28 2016-01-06 无锡阳工机械制造有限公司 Oil cylinder cover magnetic force anti-loose structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105221516A (en) * 2015-10-28 2016-01-06 无锡阳工机械制造有限公司 A kind of anti-loosing type oil cylinder cover structure
CN105221523A (en) * 2015-10-28 2016-01-06 无锡阳工机械制造有限公司 A kind of with returning hook oil cylinder cover anti-loose structure
CN105221522A (en) * 2015-10-28 2016-01-06 无锡阳工机械制造有限公司 Oil cylinder cover magnetic force anti-loose structure

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141105

Termination date: 20160621