CN203670356U - Low-pressure double-acting cylinder - Google Patents

Low-pressure double-acting cylinder Download PDF

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Publication number
CN203670356U
CN203670356U CN201420016068.4U CN201420016068U CN203670356U CN 203670356 U CN203670356 U CN 203670356U CN 201420016068 U CN201420016068 U CN 201420016068U CN 203670356 U CN203670356 U CN 203670356U
Authority
CN
China
Prior art keywords
cylinder
piston rod
pressing plate
piston
pressure double
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
CN201420016068.4U
Other languages
Chinese (zh)
Inventor
朱成英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO YAJI ELECTROMECHANICAL TECHNOLOGY Co Ltd
Original Assignee
NINGBO YAJI ELECTROMECHANICAL TECHNOLOGY Co Ltd
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 NINGBO YAJI ELECTROMECHANICAL TECHNOLOGY Co Ltd filed Critical NINGBO YAJI ELECTROMECHANICAL TECHNOLOGY Co Ltd
Priority to CN201420016068.4U priority Critical patent/CN203670356U/en
Application granted granted Critical
Publication of CN203670356U publication Critical patent/CN203670356U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the technical field of clamping cylinder devices, in particular to a low-pressure double-acting cylinder. The low-pressure double-acting cylinder comprises a cylinder body, a piston which can move up and down in the cylinder body and a piston rod arranged on the upper end face of the cylinder body in a penetrating mode. The lower end of the piston rod is connected with the piston. An oil hole communicated with an inner cavity is formed in one side of the cylinder body, and a plurality of fixing holes are formed in the upper end face of the cylinder body. A pressing plate is arranged at the upper end of the piston rod, the upper end of the piston rod is hinged to the lower end of the pressing plate, a stand column is arranged on the upper end face of the cylinder body, and a rigid hinge is arranged between the stand column and the pressing plate. The low-pressure double-acting cylinder is compact and reasonable in structure, the supporting point of the stand column and the cylinder body are of an integral structure, the entire size is smaller, the strength of a lever cylinder is improved, hinged plates which are symmetrically arranged drag the pressing plate to bear large eccentric force, a short distance lever between the piston rod and the stand column can output large torque, the overall structure is simple, clamping is stable, and miniaturization and compactness of the cylinder are achieved.

Description

A kind of low pressure double action cylinder
Technical field
The utility model relates to gripper cylinder device technique field, particularly a kind of low pressure double action cylinder.
Background technique
Oil hydraulic cylinder is that a kind of by hydraulic rotation being changed to the mechanical executive component of mechanical energy, the kind of oil hydraulic cylinder is a lot, and boom hydraulic cylinder is wherein a kind ofly by whirling arm mechanism, the straight reciprocating motion of piston shaft to be converted into holding action.Boom hydraulic cylinder is usually used on some complicated system equipments, and mostly self structure complexity, manufacture difficulty are high, cause cost bigger than normal.Although and the structure of some craspedodrome boom hydraulic cylinders is relatively simple, corresponding output torque is relatively low and be subject to volume restrictions, inconvenience is installed, and load-bearing load is limited, for rotation exist offset occasion not enough to some extent.
Model utility content
The purpose of this utility model is for the defect of prior art and deficiency, provide a kind of compact structure, easy to use, can bear the low pressure double action cylinder compared with heavy load.
For achieving the above object, the utility model is by the following technical solutions:
A kind of low pressure double action cylinder described in the utility model, comprises cylinder body, and piston movable up and down in cylinder body is arranged in the piston rod of cylinder upper end face, and piston-rod lower end is connected with piston; One side of described cylinder body is provided with the oilhole of communication with cavity, and the upper-end surface of cylinder body is provided with some fixed holes; Piston rod upper end is provided with pressing plate, and the lower end of piston rod upper end and pressing plate is hinged, and the upper-end surface of cylinder body is provided with column, between column and pressing plate, is provided with rigid hinge.
Further, described rigid hinge comprises two chain connecting plates, and two chain connecting plates are located at the both sides of pressing plate and column, and one end of chain connecting plate is hinged by bearing pin and column, and the other end of chain connecting plate is hinged by the stage casing of bearing pin and pressing plate.
Further, in the outer rim of described piston, be arranged with O type circle.
Further, the upper-end surface of described cylinder body is provided with axle center oil sealing and anti-dust seal, and piston rod upper end is passed successively axle center oil sealing and anti-dust seal and coordinated with its activity.
Further, described cylinder base is provided with bottom, and bottom is connected with cylinder body by bolt.
Further, described column and the cylinder body setting that is structure as a whole.
The utility model beneficial effect is: the utility model compact structure rationally, column fulcrum and cylinder body integrated structure, overall volume is less and improved the intensity of lever cylinder; Symmetrically arranged chain connecting plate traction pressing plate can bear larger offset, and the short distance lever energy between piston rod and column is exported compared with high pulling torque, and overall structure is simple, clamping is stable, realizes miniaturization and the compactness of cylinder.
Brief description of the drawings
Fig. 1 is cross-sectional view of the present utility model;
Fig. 2 is overall structure schematic diagram of the present utility model;
Fig. 3 is cylinder body partial structurtes schematic diagram of the present utility model.
In figure:
10, cylinder body; 11, piston; 12, piston rod; 13, pressing plate;
14, column; 15, chain connecting plate; 16, bearing pin; 17, O type circle;
18, axle center oil sealing; 19, anti-dust seal; 20, bottom; 21, oilhole
22, fixed hole.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
A kind of low pressure double action cylinder described in the utility model, comprise cylinder body 10, cylinder body 10 is fixed in base platform, at the interior piston 11 movable up and down of cylinder body 10, piston 11 is by air pressure or oil pressure actuated, and the piston rod 12 that promotes to be arranged in cylinder body 10 upper-end surfaces, piston rod 12 lower ends are connected with piston 11; One side of described cylinder body 10 is provided with the oilhole 21 of communication with cavity, oilhole 21 does work for connecting hydraulic pipe line and then promoting piston 11, the upper-end surface of cylinder body 10 is provided with some fixed holes 22, cylinder body 10 is positioned on basal plane platform and is connected on fixed hole 22 by mounting fixture, and then be fixedly connected with basal plane platform, so fix and can make cylinder body 10 more stable on platform, to export larger torsion and chucking power, and volume of the present utility model is small and exquisite, can reduce the overall volume of mechanism; Described piston rod 12 upper ends are provided with pressing plate 13, and the lower end of piston rod 12 upper ends and pressing plate 13 is hinged, and the upper-end surface of cylinder body 10 is provided with column 14, between column 14 and pressing plate 13, are provided with rigid hinge; Column 14 supports formation on pressing plate 13 vertical planes by rigid hinge, when piston rod 12 vertical lifting, with one end of dynamic pressure plate 13, it is rotated centered by the articulating point of column 14, pressing plate 13 does lever motion centered by the articulating point of rigid hinge, pressing plate 13 becomes transverse horizontal state with piston rod 12 from vertical state-transition, and then realizes clamping and load operation action.
Above-mentioned rigid hinge comprises two chain connecting plates 15, two chain connecting plates 15 are located at the both sides of pressing plate 13 and column 14, one end of chain connecting plate 15 is hinged by bearing pin 16 and column 14, the other end of chain connecting plate 15 is hinged with the stage casing of pressing plate 13 by bearing pin 16, one end of chain connecting plate 15 and column hinged 14 and then pressing plate is rotated at vertical plane, the other end of chain connecting plate 15 and pressing plate 13 are hinged and then make pressing plate 13 centered by articulating point, do lever motion, and then drive realization clamping and load operation to move by piston rod 12 liftings.
In the outer rim of above-mentioned piston 11, be arranged with O type circle 17, O type circle 17 is in order to keep the tightness between piston 11 and cylinder body 10 inwalls.
The upper-end surface of above-mentioned cylinder body 10 is provided with axle center oil sealing 18 and anti-dust seal 19, piston rod 12 upper ends are passed successively axle center oil sealing 18 and anti-dust seal 19 and are coordinated with its activity, axle center oil sealing 18 arranges and then can stop that extraneous dust brings cylinder body 10 into piston rod 12 for keeping tightness in cylinder body 10 and avoiding oil seepage, anti-dust seal 19 to be close to piston rod 12.
Above-mentioned cylinder body 10 bottoms are provided with bottom 20, and bottom 20 is connected with cylinder body 10 by bolt, and piston rod 12 and piston 11 pack into from the bottom of cylinder body 10, air cavity in the cylinder of loading onto bottom 20 stroke sealings.
The setting that is structure as a whole of above-mentioned column 14 and cylinder body 10, integrated column 14 structures can improve the intensity of the strong point, make overall structure more reliable and more stable.
The above is only preferred embodiments of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.

Claims (6)

1. a low pressure double action cylinder, comprise cylinder body (10), piston movable up and down (11) in cylinder body (10), be arranged in the piston rod (12) of cylinder body (10) upper-end surface, piston rod (12) lower end is connected with piston (11); It is characterized in that: a side of described cylinder body (10) is provided with the oilhole (21) of communication with cavity, and the upper-end surface of cylinder body (10) is provided with some fixed holes (22); Piston rod (12) upper end is provided with pressing plate (13), the lower end of piston rod (12) upper end and pressing plate (13) is hinged, the upper-end surface of cylinder body (10) is provided with column (14), between column (14) and pressing plate (13), is provided with rigid hinge.
2. low pressure double action cylinder according to claim 1, it is characterized in that: described rigid hinge comprises two chain connecting plates (15), two chain connecting plates (15) are located at the both sides of pressing plate (13) and column (14), one end of chain connecting plate (15) is hinged by bearing pin (16) and column (14), and the other end of chain connecting plate (15) is hinged with the stage casing of pressing plate (13) by bearing pin (16).
3. low pressure double action cylinder according to claim 1, is characterized in that: in the outer rim of described piston (11), be arranged with O type circle (17).
4. low pressure double action cylinder according to claim 1, it is characterized in that: the upper-end surface of described cylinder body (10) is provided with axle center oil sealing (18) and anti-dust seal (19), piston rod (12) upper end is passed successively axle center oil sealing (18) and anti-dust seal (19) and is coordinated with its activity.
5. low pressure double action cylinder according to claim 1, is characterized in that: described cylinder body (10) bottom is provided with bottom (20), and bottom (20) is connected with cylinder body (10) by bolt.
6. low pressure double action cylinder according to claim 1, is characterized in that: the setting that is structure as a whole of described column (14) and cylinder body (10).
CN201420016068.4U 2014-01-10 2014-01-10 Low-pressure double-acting cylinder Expired - Fee Related CN203670356U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420016068.4U CN203670356U (en) 2014-01-10 2014-01-10 Low-pressure double-acting cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420016068.4U CN203670356U (en) 2014-01-10 2014-01-10 Low-pressure double-acting cylinder

Publications (1)

Publication Number Publication Date
CN203670356U true CN203670356U (en) 2014-06-25

Family

ID=50966659

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420016068.4U Expired - Fee Related CN203670356U (en) 2014-01-10 2014-01-10 Low-pressure double-acting cylinder

Country Status (1)

Country Link
CN (1) CN203670356U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104100597A (en) * 2014-07-15 2014-10-15 宁波亚吉机电科技有限公司 High pressure lever cylinder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104100597A (en) * 2014-07-15 2014-10-15 宁波亚吉机电科技有限公司 High pressure lever 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

Granted publication date: 20140625

Termination date: 20160110