CN202203206U - Built-in liquid guide pipeline hydraulic cylinder with spherical top end cylinder body and piston rod - Google Patents
Built-in liquid guide pipeline hydraulic cylinder with spherical top end cylinder body and piston rod Download PDFInfo
- Publication number
- CN202203206U CN202203206U CN2011202480626U CN201120248062U CN202203206U CN 202203206 U CN202203206 U CN 202203206U CN 2011202480626 U CN2011202480626 U CN 2011202480626U CN 201120248062 U CN201120248062 U CN 201120248062U CN 202203206 U CN202203206 U CN 202203206U
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- cylinder barrel
- left end
- hand member
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Abstract
The utility model relates to the technical field of hydraulic cylinder manufacture, in particular to a built-in liquid guide pipeline hydraulic cylinder with a spherical top end cylinder body and a piston rod. In the prior art, a cylinder body of the hydraulic cylinder and the front end of the piston rod are in an ear-shaped structure and are connected with a hinging seat through a pin shaft, a long and narrow space is required, in addition, all stress is exerted on connecting ears and a hinging pin shaft, and the fracture is easy to occur. The outer surface of the cylinder bottom of the hydraulic cylinder is in a spherical shape, a liquid guide pipeline A is arranged under the left end of the inner wall of a cylinder tube, an oil opening B is arranged under the right end of the inner wall of the cylinder tube, two hollow joints are welded under the right end of the cylinder tube, a left joint inner hole and a right joint inner hole are respectively aligned with the liquid guide pipeline A and the oil opening B and are welded onto the cylinder tube, the right end of the piston rod is in a spherical shape, the left end of the piston rod is provided with screw threads, the piston rod passes through a guide sleeve provided with a dustproof ring and is connected with a piston through screw threads, and the piston rod drives the piston to leftwards and rightwards move in the cylinder tube. The built-in liquid guide pipeline hydraulic cylinder has the advantages that the cylinder and the top end of the piston rod adopt the spherical structures, and the connection intensity is improved, so the universal rotation can be realized after the hydraulic cylinder is assembled.
Description
Technical field
The utility model relates to oil hydraulic cylinder manufacturing technology field, specifically a kind of built-in drain pipeline oil hydraulic cylinder with spherical top cylinder body and piston rod.
Background technique
In the conventional art, hydraulic cylinder body and piston rod front end are ear shape structure, connect with hinged seat through bearing pin, need long and narrow space, and stressed all acting on connection ear and the hinging pin shaft, rupture easily.The external respectively two ends that are installed in cylinder body of the feed flow joint of conventional cylinder, the drain pipeline is external, receives other object collisions easily and causes distortion, snaps, thereby the phenomenon of leakage takes place.
Summary of the invention
The purpose of the utility model provides a kind of built-in drain pipeline oil hydraulic cylinder with spherical top cylinder body and piston rod, has overcome the existing technology defective.
The technological scheme of the utility model is: oil hydraulic cylinder is made up of cylinder barrel 1, piston 2, piston rod 3, guide sleeve 4, dust ring 5, check ring 6, O-ring seals 7, joint 8, locating stud 9 and cylinder bottom 10.Cylinder bottom 10 left end outer surfaces are the billiard table shape, and right-hand member step axle extend in the cylinder barrel 1, weld together with cylinder barrel 1, and cylinder barrel 1 left end outer surface is provided with little arc section, and little arc section is consistent with the spherical circular arc of cylinder bottom 10 left end outer surfaces; The right side of the little arc section of cylinder barrel 1 left end outer surface is provided with the great circle segmental arc, and locating stud 9 is symmetrically welded at cylinder barrel 1 left end size arc section jointing place up and down; Cylinder barrel 1 inwall left end below is provided with drain pipeline A, and cylinder barrel 1 inwall right-hand member below is provided with hydraulic fluid port B, and cylinder barrel 1 right-hand member below is welded with two hollow joints 8, and the left and right joint endoporus aligns with drain pipeline A, hydraulic fluid port B respectively and is welded on the cylinder barrel 1; Dust ring 5 is installed in the guide sleeve 4 endoporus right-hand member grooves; O-ring seals 7 is installed in the groove of guide sleeve 4 cylindricals; Check ring 6 put into guide sleeve 4 right-hand member cylindricals and with the groove of the cylinder barrel 1 right-hand member endoporus of its corresponding section, guide sleeve 4 and cylinder barrel 1 is fastening; Piston rod 3 right-hand members are spherical, and left end is provided with screw thread, and piston rod 3 passes guide sleeve 4 endoporus that dust ring 5 is installed and is threaded with piston 2, but piston rod 3 drives piston 2 move left and right in cylinder barrel 1.
The utility model has the advantages that: spheroidal structure is all adopted on cylinder body and piston rod top, has both improved linking intensity, makes oil hydraulic cylinder after assembling, can universally rotate again.The utility model device intensity is high, and simple installation, quick, compact structure have solved oil hydraulic cylinder and taken up room greatly, and the catheter Louis is collided causes the problem that ruptures.Can be used in little, the stressed bigger various device of installing space.
Description of drawings
Fig. 1 is the structural drawing of the utility model;
Among the figure: 1, cylinder barrel, 2, piston, 3, piston rod, 4, guide sleeve, 5, dust ring, 6, check ring, 7, O-ring seals, 8, joint, 9, locating stud, 10, cylinder bottom.
Embodiment
By shown in Figure 1, oil hydraulic cylinder is made up of cylinder barrel 1, piston 2, piston rod 3, guide sleeve 4, dust ring 5, check ring 6, O-ring seals 7, joint 8, locating stud 9 and cylinder bottom 10.Cylinder bottom 10 left end outer surfaces are the billiard table shape, and right-hand member step axle extend in the cylinder barrel 1, weld together with cylinder barrel 1, and cylinder barrel 1 left end outer surface is provided with little arc section, and little arc section is consistent with the spherical circular arc of cylinder bottom 10 right-hand member outer surfaces; The right side of the little arc section of cylinder barrel 1 left end outer surface is provided with the great circle segmental arc, and locating stud 9 is symmetrically welded at cylinder barrel 1 left end size arc section jointing place up and down; Cylinder barrel 1 inwall left end below is provided with drain pipeline A, and cylinder barrel 1 inwall right-hand member below is provided with hydraulic fluid port B, and cylinder barrel 1 right-hand member below is welded with two hollow joints 8, and the left and right joint endoporus aligns with drain pipeline A, hydraulic fluid port B respectively and is welded on the cylinder barrel 1; Dust ring 5 is installed in the guide sleeve 4 endoporus right-hand member grooves, and O-ring seals 7 is installed in the groove of guide sleeve 4 cylindricals, check ring 6 put into guide sleeve 4 right-hand member cylindricals and with the groove of the cylinder barrel 1 right-hand member endoporus of its corresponding section, guide sleeve 4 and cylinder barrel 1 is fastening; Piston rod 3 right-hand members are spherical, and left end is provided with screw thread, and piston rod 3 passes guide sleeve 4 endoporus that dust ring 5 is installed and is threaded with piston 2, but piston rod 3 drives piston 2 move left and right in cylinder barrel 1.
The cylinder body on spherical top (cylinder bottom 10 with cylinder barrel 1 be welded to form) is the attachment portion with articulated mechanism, and the travel space of piston rod also is provided, and has practiced thrift the oil hydraulic cylinder occupation space.The hinged seat that uses with this coordinative composition of equipments is respectively equipped with and spherical top cylinder body and the identical spherical heavy nest of piston rod profile; During installation, the spherical top of cylinder body is placed in the hinged seat, and locating stud snaps in the heavy nest in the hinged seat; Can universally rotate the flexible rotation up and down that drives hinge apparatus of oil cylinder; The spherical top of piston rod is inserted in the hinged seat, and has the gland of identical spherical heavy nest to fix with inboard.The feed flow pipeline is assembled on the joint, and during operation regulation and control oil hydraulic cylinder, the pressure oil drain pipeline of flowing through gets in the side oil pocket, promotes piston rod and stretches out or regain.
Claims (1)
1. the built-in drain pipeline oil hydraulic cylinder with spherical top cylinder body and piston rod is made up of piston (2), dust ring (5) and O-ring seals (7); It is characterized in that: also comprise cylinder barrel (1), piston rod (3), guide sleeve (4), check ring (6), joint (8), locating stud (9), cylinder bottom (10); Described cylinder bottom (10) left end outer surface is the billiard table shape; Right-hand member step axle extend in the cylinder barrel (1); Weld together with cylinder barrel (1), cylinder barrel (1) left end outer surface is provided with little arc section, and roundlet segmental arc circular arc is consistent with the spherical circular arc of cylinder bottom (10) left end outer surface; The right side of the little arc section of cylinder barrel (1) left end outer surface is provided with the great circle segmental arc, and locating stud (9) is symmetrically welded at cylinder barrel (1) left end size arc section jointing place up and down; Cylinder barrel (1) inwall left end below is provided with drain pipeline (A); Cylinder barrel (1) inwall right-hand member below is provided with hydraulic fluid port (B); Cylinder barrel (1) right-hand member below is welded with two hollow joints (8), and two joint endoporus align with drain pipeline (A), hydraulic fluid port (B) respectively and are welded on the cylinder barrel (1); Dust ring (5) is installed in guide sleeve (4) the endoporus right-hand member groove; O-ring seals (7) is installed in the groove of guide sleeve (4) cylindrical; Check ring (6) place guide sleeve (4) right-hand member cylindrical and with the groove of cylinder barrel (1) the right-hand member endoporus of its corresponding section, guide sleeve (4) and cylinder barrel (1) is fastening; Piston rod (3) right-hand member is spherical, and left end is provided with screw thread, and piston rod (3) passes guide sleeve (4) endoporus that dust ring (5) are installed and is threaded with piston (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202480626U CN202203206U (en) | 2011-07-06 | 2011-07-06 | Built-in liquid guide pipeline hydraulic cylinder with spherical top end cylinder body and piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202480626U CN202203206U (en) | 2011-07-06 | 2011-07-06 | Built-in liquid guide pipeline hydraulic cylinder with spherical top end cylinder body and piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203206U true CN202203206U (en) | 2012-04-25 |
Family
ID=45967328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202480626U Expired - Fee Related CN202203206U (en) | 2011-07-06 | 2011-07-06 | Built-in liquid guide pipeline hydraulic cylinder with spherical top end cylinder body and piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202203206U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454752A (en) * | 2014-10-20 | 2015-03-25 | 段黎明 | Stroke control universal strain angle hydraulic oil cylinder |
| CN112431810A (en) * | 2020-12-02 | 2021-03-02 | 徐州徐工液压件有限公司 | High-reliability multi-angle deviation rectifying hydraulic cylinder |
-
2011
- 2011-07-06 CN CN2011202480626U patent/CN202203206U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104454752A (en) * | 2014-10-20 | 2015-03-25 | 段黎明 | Stroke control universal strain angle hydraulic oil cylinder |
| CN112431810A (en) * | 2020-12-02 | 2021-03-02 | 徐州徐工液压件有限公司 | High-reliability multi-angle deviation rectifying hydraulic cylinder |
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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: 20120425 Termination date: 20160706 |