CN101608646B - Air suspension piston type rodless cylinder - Google Patents
Air suspension piston type rodless cylinder Download PDFInfo
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- CN101608646B CN101608646B CN 200810067769 CN200810067769A CN101608646B CN 101608646 B CN101608646 B CN 101608646B CN 200810067769 CN200810067769 CN 200810067769 CN 200810067769 A CN200810067769 A CN 200810067769A CN 101608646 B CN101608646 B CN 101608646B
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- piston
- air suspension
- piston type
- type rodless
- rodless cylinder
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Abstract
The invention provides an air suspension piston type rodless cylinder, which comprises a cylinder body, a power source joint and a suspensible movable piston, wherein two ends of the cylinder body are connected with the power source joint, and the cylinder body is provided with symmetrical and communicated elongated slots in the radial direction. According to the invention, the air suspension piston type rodless cylinder is achieved by adopting an air suspension piston type technique, and has the following advantages: a piston suspension type design is adopted, a sealing element is not needed, the overload automatic protection is achieved, the friction between the piston and the cylinder inner wall is greatly reduced, and the service life of the piston is increased; because of reasonable structure, compact arrangement and low cost, the rodless cylinder can be applied to various occasions and has stable and reliable performance; and the cylinder is simple to operate, and more convenient to maintain.
Description
Technical field
The present invention relates to a kind of pneumatic apparatus, particularly a kind of air suspension piston type rodless cylinder.
Background technique
Pneumatic apparatus is a kind of energy conversion device, and it is that compressed-air actuated pressure can be converted into mechanical energy, and driving mechanism is realized straight reciprocating motion, swung, rotatablely moves or percussion action.And cylinder is the class greatly of one in the pneumatic apparatus, and cylinder is used for providing straight reciprocating motion or swing, ouput force and space rate or angle of oscillation displacement.Rodless cylinder is a kind of in the cylinder, and conventional Rodless cylinder does not transship automatic unloading protecting function, and piston and cylinder wall surface friction drag are bigger.
Summary of the invention
In order to solve above-mentioned the deficiencies in the prior art; the invention provides a kind of air suspension piston type rodless cylinder; solving does not have the big problem of the automatic unloading protecting function of overload, piston and cylinder wall surface friction drag in the prior art, reach to make things convenient for installation and maintenance, low cost, purpose stable and reliable for performance.
The present invention is achieved by the following technical solutions: design, make a kind of air suspension piston type rodless cylinder, comprise cylinder block (1), power source joint (2) and the mobile piston (3) that can suspend; The end of described cylinder block (1) is connected with described power source joint (2); Described piston (3) is provided with the gap with the inwall of described cylinder block (1), the elongated slot that described cylinder block (1) radially is provided with symmetry and communicates, and described cylinder block (1) is tightly connected with described power source joint (2).
According to a preferred embodiment of the present invention, the two ends of described cylinder block and described power source joint are by being threaded.
According to a preferred embodiment of the present invention, described piston is provided with the structure of sliding channel, and the structure of described sliding channel is cavernous structure.
According to a preferred embodiment of the present invention, the cavernous structure in the described piston is cylinder type, and described cavernous structure is erected in described piston; Be provided with the groove of two symmetries at the two ends in hole, the bottom surface of described groove is made as inclined-plane or inside or outside cambered surface.
According to a preferred embodiment of the present invention, described Kong Zaiqi axially goes up tool one size minimum portion; Described minimum portion is positioned on the midplane in the axial direction of described hole; Described hole is symplex structure along described midplane; The size in described hole becomes big gradually from middle plane to the piston two ends.
According to a preferred embodiment of the present invention, but the one-sided or both sides of described piston are provided with the Flexible Connector of self-return; But the link of described self-return connects described piston and described power source joint.
According to a preferred embodiment of the present invention, the hole in the described piston is provided with the fork of an activity; Described fork can carry out horizontal motion, vertical motion, rotation and swing along described hole.
According to a preferred embodiment of the present invention, described fork is provided with anchor clamps; Described anchor clamps cooperate described fork to make corresponding sports.
According to a preferred embodiment of the present invention, described a plurality of air suspension piston type rodless cylinder is used in combination.
The present invention adopts gas suspension technology in the form of piston to realize Rodless cylinder, and its beneficial effect is: adopt the floated design of piston, need not Sealing, and realize automatic overload protection and greatly reduced the friction of piston and cylinder inner wall, increased the working life of piston; Because it is rational in infrastructure, arrange compactness, low cost can be applicable to multiple occasion, and is stable and reliable for performance; And this cylinder operation is simple, safeguards convenient.The plunger designs of general cylinder has Sealing, and this piston suspension structure need not Sealing, makes simply easy to use, with low cost.
Description of drawings
Fig. 1 is embodiment's sectional view of air suspension piston type rodless cylinder of the present invention;
Fig. 2 is embodiment's plan view of air suspension piston type rodless cylinder of the present invention;
Fig. 3 is another embodiment's sectional view of air suspension piston type rodless cylinder of the present invention;
Fig. 4 is another embodiment's sectional view of air suspension piston type rodless cylinder of the present invention;
Fig. 5 is embodiment's sectional view again of air suspension piston type rodless cylinder of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Referring to Fig. 1, Fig. 2, Fig. 5, air suspension piston type rodless cylinder of the present invention comprises cylinder block 1, power source joint 2 and the mobile piston 3 that can suspend; The end of described cylinder block 1 is connected with described power source joint 2; The described internal diameter that suspends mobile piston 3 external diameters and described cylinder block (1) is provided with has the mobile gap that suspends in working order; The elongated slot that described cylinder block 1 radially is provided with symmetry and communicates.External force enters in the cylinder by described power source joint 2, and the effect by pressure promotes described piston 3 and suspends, and moves horizontally under the state that suspends.
Described piston 3 is provided with the structure of sliding channel, and the structure of described sliding channel is cavernous structure, increases fork or other driven and through hole is general convenient in piston, allows fork or other driven move up and down simultaneously.
The end of described cylinder block 1 is provided with the worm structure that can cooperate with described power source joint 2, described cylinder block 1 is in order to prevent that gas or hydraulic power supply from pushing discharge from the slit with being connected of described power source joint 2, so being connected between the two is tightly connected, make things convenient for installation and maintenance simultaneously.
Described hole is cylindrical hole, and the hole is perpendicular to the horizontal plane of described piston 3 as described in Figure 5.Be provided with the groove of two symmetries at the two ends in hole, the bottom surface of described groove can be made as inclined-plane or inside or outside cambered surface.
Fig. 1 and for example, described Kong Zaiqi axially goes up tool one size minimum portion; Described minimum portion is positioned on the midplane in the axial direction of described hole; Described hole is symplex structure along described midplane; The size in described hole becomes big gradually from middle plane to the piston two ends.
Referring to Fig. 1, Fig. 4, but the one-sided or both sides of the described piston 3 of Fig. 5 are provided with the Flexible Connector 4 of self-return under no external force effect; But the link 4 of described self-return connects described piston 3 and described power source joint 2.Under the effect of external force, described piston 3 can be cylinder block 1 in motion and in stroke compression connector 4, when stopping the external force effect, described link 4 can promote pistons 3 return to original state.
Hole in the described piston 3 is provided with a fork 5 that closely contacts; Described fork 5 can carry out horizontal motion, vertical motion, rotation and swing along described hole.
Described fork 5 is provided with anchor clamps 6; Described anchor clamps 6 cooperate described fork 5 to make corresponding sports.
When cylinder is ventilated 3 motions of described piston described piston 3 is suspended to reduce the friction with described cylinder block 1 inwall, on the other hand, gas can be got rid of along elongated slot through piston 3 and the slit of cylinder block 1 when overload, plays a protective role.
In actual applications, a plurality of described air suspension piston type rodless cylinders can be cooperated to use together.
Some embodiments at accompanying drawing are further described below, but the link of the self-return among the embodiment is spring part.
Referring to Fig. 1, described air suspension piston type rodless cylinder is that two-chamber has spring structure:
Comprise two power source joints 2, cylinder block 1, piston 3, two spring parts 4, fork 5 and anchor clamps 6, described power source joint is the cylinder joint, a kind of motion mode is, the described cylinder joint ventilation in left side promotes piston 3 with holes and moves right compression right side spring part 4, drives fork 5 simultaneously and moves right; If described fork 5 the other ends be running shaft then described fork 5 along clockwise rotating several angle; Stop the ventilation then described piston 3 under the spring force effect of right side, get back to original position.Another motion mode is, the cylinder joint ventilation of an other end promotes described piston with holes 3 motion compresses left side spring part 4 left, drives described fork 5 simultaneously to left movement; If described fork 5 the other ends be running shaft then described fork 5 along rotating counterclockwise several angle.Stop ventilation then described piston 3 under the spring force effect of left side, get back to original position, described anchor clamps 6 are along with described fork 5 is done corresponding motion.
Referring to Fig. 3, described air suspension piston type rodless cylinder is the two-chamber non-spring structure:
Compare with Fig. 1, this structure lacks two spring parts 4, and working method moves right for the ventilation of cylinder joint promotes piston 3 with holes, drives fork 5 simultaneously and moves right; If described fork 5 the other ends be running shaft then described fork 5 along clockwise rotating several angle; Stop ventilation and do the time spent in no external force, described piston stops at the cylinder block right side.Another working method is, the described cylinder joint ventilation of an other end promotes described piston with holes 3 to left movement, drives described fork 5 simultaneously to left movement; If described fork 5 the other ends be running shaft then described fork 5 along rotating counterclockwise several angle; Stop ventilation and do the time spent in no external force, described piston 3 rests on current location.
Referring to Fig. 4, described air suspension piston type rodless cylinder is that single chamber has spring structure:
Compare with Fig. 3, this structure is many spring part 4, a kind of working method is that the ventilation of cylinder joint promotes piston 3 with holes and moves right, and drives fork 5 simultaneously and moves right; If described fork 5 the other ends be running shaft then described fork 5 along clockwise rotating several angle; Stop ventilation and do the time spent in no external force, described piston 3 stops at current location.Another working method is, the cylinder joint ventilation of an other end promotes described piston with holes 3 to left movement, drives described fork 5 simultaneously to left movement; If described fork 5 the other ends be running shaft then described fork 5 is along rotating counterclockwise several angle, described piston 3 is to left movement certain distance compression spring; Stop the ventilation then described piston 3 under the spring force effect of left side, get back to original position.
Referring to Fig. 5, described air suspension piston type rodless cylinder is structure of linear motion:
This structure comprises two power source joints 2, cylinder block 1, piston 3 and two spring parts 4, driven can be connected on the cavernous structure of piston 3 as required, a kind of working method is, cylinder joint ventilation promotes piston 3 with holes and moves right, and drives driven simultaneously and moves right, stop ventilation then described piston 3 under the spring force effect of right side, get back to original position.Another working method is, the cylinder joint ventilation of an other end promotes described piston with holes 3 to left movement, drives driven simultaneously to left movement, stop ventilation then described piston 3 under the spring force effect of left side, get back to original position.
Certainly, structure of linear motion can be designed to equally that two-chamber does not have spring and there is spring structure in single chamber.Principle is basic identical with Fig. 3 and Fig. 4, just can not rotate.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention does, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. an air suspension piston type rodless cylinder comprises cylinder block (1), it is characterized in that: also comprise power source joint (2) and the mobile piston (3) that can suspend; The end of described cylinder block (1) is connected with described power source joint (2); Described piston (3) is provided with the gap with the inwall of described cylinder block (1), the elongated slot that described cylinder block (1) radially is provided with symmetry and communicates, and described cylinder block (1) is tightly connected with described power source joint (2); Be provided with the structure of sliding channel in the described piston (3), described piston (3) but one-sided or both sides be provided with the Flexible Connector (4) of self-return, but the Flexible Connector of described self-return (4) is spring part.
2. air suspension piston type rodless cylinder according to claim 1, it is characterized in that: the inwall of described piston and described cylinder block is provided with the gap and comprises: be arranged between the internal diameter of the external diameter of described piston (3) and described cylinder block (1) so that described piston has the mobile gap that suspends in working order.
3. air suspension piston type rodless cylinder according to claim 2, it is characterized in that: the end of described cylinder block (1) is provided with the worm structure that can cooperate with described power source joint (2).
4. air suspension piston type rodless cylinder according to claim 1, it is characterized in that: the structure of described sliding channel is cavernous structure.
5. air suspension piston type rodless cylinder according to claim 4, it is characterized in that: the center of the cavernous structure in the described piston (3) is the poroid structure of cylinder type, described cavernous structure is perpendicular to the cylndrical surface of described piston (3), be provided with the groove of two symmetries at the two ends of described cavernous structure, the bottom surface of described groove is made as inclined-plane or inside or outside cambered surface.
6. air suspension piston type rodless cylinder according to claim 4 is characterized in that: described cavernous structure its axially on tool one size minimum portion; Described minimum portion is positioned on the described cavernous structure midplane in the axial direction; Described cavernous structure is symplex structure along described midplane; The size of described cavernous structure becomes big gradually from middle plane to described piston two ends.
7. air suspension piston type rodless cylinder according to claim 6 is characterized in that: the fork (5) that closely contacts with the hole when action is installed on the cavernous structure in the described piston (3); Described fork (5) can carry out horizontal motion, vertical motion, rotation and swing along described hole.
8. air suspension piston type rodless cylinder according to claim 7, it is characterized in that: described fork (5) is provided with anchor clamps (6); Described anchor clamps (6) cooperate described fork (5) to make corresponding sports.
9. according to claim 5 or 8 described air suspension piston type rodless cylinders, it is characterized in that: but the Flexible Connector of described self-return (4) is connected in described piston (3) and described power source joint (2).
10. air suspension piston type rodless cylinder according to claim 9, it is characterized in that: a plurality of described air suspension piston type rodless cylinders are used in combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810067769 CN101608646B (en) | 2008-06-17 | 2008-06-17 | Air suspension piston type rodless cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810067769 CN101608646B (en) | 2008-06-17 | 2008-06-17 | Air suspension piston type rodless cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101608646A CN101608646A (en) | 2009-12-23 |
| CN101608646B true CN101608646B (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810067769 Expired - Fee Related CN101608646B (en) | 2008-06-17 | 2008-06-17 | Air suspension piston type rodless cylinder |
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| CN (1) | CN101608646B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865388B (en) * | 2012-09-24 | 2014-03-12 | 李万红 | Duplex type hydraulic valve |
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- 2008-06-17 CN CN 200810067769 patent/CN101608646B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101608646A (en) | 2009-12-23 |
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Granted publication date: 20130717 Termination date: 20190617 |