CN103291807A - Buffer controlling movement speed of piston according to surge pressure - Google Patents
Buffer controlling movement speed of piston according to surge pressure Download PDFInfo
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- CN103291807A CN103291807A CN2013102560465A CN201310256046A CN103291807A CN 103291807 A CN103291807 A CN 103291807A CN 2013102560465 A CN2013102560465 A CN 2013102560465A CN 201310256046 A CN201310256046 A CN 201310256046A CN 103291807 A CN103291807 A CN 103291807A
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Abstract
The invention relates to a buffer controlling the movement speed of a piston according to surge pressure. The buffer controlling the movement speed of the piston according to the surge pressure comprises a first-stage buffer body, a middle-stage buffer body and a last-stage buffer body. Each buffer body comprises a cylinder body which is cylindrical, and is used for being filled with buffering media, wherein a cylinder cover is arranged at the open end of each cylinder body in a sealed mode, a piston rod is movably arranged in a center through hole of each cylinder cover in a sealed and movable matching mode, a piston body assembly is arranged at the right end of each piston rod, and each piston body assembly is suitable for carrying out piston movement in each cylinder body, and is movably matched with the inner wall of each cylinder body in a sealed mode. The piston rod of the middle-stage buffer body is formed by the cylinder body of the first-stage buffer, the piston rod of the last-stage buffer body is formed by the cylinder body of the middle-stage buffer body, a pressure sensor which is used for detecting pressure of the media is arranged on the right end face of each piston body assembly of each buffer body, and each piston body assembly of each buffer body is suitable for adjusting back-and-forth flow quantity of the media in a corresponding cylinder body to control the movement speed of the piston according to the pressure, detected by each pressure sensor, of the media when the piston movement is carried out.
Description
Technical field
The present invention relates to a kind of buffer, relating in particular to a kind of is the buffer of buffer medium with the elastic gel.
Background technique
In the bumper and absorbing shock field, buffer uses very extensive, and it mainly acts on is to absorb various impact energys, protection equipment and reduce noise etc.
Grant number CN 202149175 discloses a kind of buffer, it is the two-stage buffer, different with initial minimum force F2cmin by the medium maximum, force F1max in chopped-off head buffer, secondary buffer, with the sequence of operation of control chopped-off head buffer, secondary buffer; And in specification, mention, set the capacity of whole buffer according to impact energy, still, in practical work, because impact energy can be inconstant, might occur changing, so rely on the medium difference to realize the job order of buffers at different levels, be difficult in practice realize.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of buffer according to surge pressure control piston movement velocity, and this buffer has solved because the variation of impact energy realizes the technical problem that the piston motion matches with impact energy.
The invention provides a kind of buffer according to surge pressure control piston movement velocity, described buffer is three grades of buffers, and these three grades of buffers comprise: chopped-off head buffer, intergrade buffer and final stage buffer; Described chopped-off head buffer, intergrade buffer, final stage buffer comprise respectively: cylindrical, and be used for filling the cylinder body of buffer medium, opening end sealing at this cylinder body is provided with cylinder cap, the sealing activity is combined with a piston rod in the central through bore of described cylinder cap, the right-hand member of this piston rod is provided with the piston body assembly, this piston body assembly is suitable for doing the piston motion in described cylinder body, and cooperates with the inwall movable sealing of described cylinder body; Wherein, the cylinder body of described chopped-off head buffer constitutes the piston rod of described intergrade buffer, and the cylinder body of described intergrade buffer constitutes the piston rod of described final stage buffer; Be respectively equipped with the pressure transducer for detection of pressure medium on the right side of the piston body assembly of described buffers at different levels, described pressure transducer links to each other with a processor module respectively; The piston body assembly of buffers at different levels is suitable for when doing the piston motion, and described processor module is regulated the past regurgitation volume of medium in the corresponding cylinder body, with the speed of control piston motion according to the detected pressure medium of described pressure transducer.
Further, described piston body assembly comprises: described piston body assembly comprises: the left and right piston body of arranged in co-axial alignment, be arranged with the through hole that several are used for the medium axial flow on this left and right piston body, being sealed and matched between the adjacent face of left and right piston body, so that do piston when motion, medium is only realized coming and going by each through hole on the described left and right piston body and is flowed; Be provided with in the described left piston body for the cavity of placing motor, this motor is controlled by described processor module, its rotor is connected in described right piston body, be used for driving this right side piston body rotation according to pressure medium, to control the relative position relation of each through hole on the left and right piston body, and then control media flow, i.e. control piston movement velocity.
Compared with prior art, the present invention has following advantage: (1) the present invention has overcome in the prior art because the impact energy fluctuation, and cause the technical problem that multi-stage buffer can't co-ordination, the present invention detects impact energy by pressure transducer, and the medium of suitable adjusting buffers at different levels is toward regurgitation volume, to control the movement velocity of each piston body assembly, make buffer co-ordinations at different levels, avoided certain one-level buffer that may occur because impact energy is excessive, all the other buffers have little time compression, and cause the long-term work of this grade buffer at high pressure conditions, cause damage easily; (2) cooperate by each through hole in the left and right piston body, controlling medium in the corresponding cylinder body toward regurgitation volume, thereby change the shuttle speed of respective pistons, to alleviate the cavity pressure of cylinder bodies at different levels, prolong the buffer life-span; (3) these three grades of buffers need not to consider the medium difference, and the application place is extensive, need not to regulate in addition the buffer job order.
Description of drawings
Content of the present invention is easier clearly to be understood in order to make, below the specific embodiment and by reference to the accompanying drawings of basis, the present invention is further detailed explanation, wherein
The structural representation one of Fig. 1 three grades of buffers of the present invention;
The structural representation two of Fig. 2 three grades of buffers of the present invention;
The structural representation of the piston body assembly in Fig. 3 three grades of buffers of the present invention;
The work schematic representation of Fig. 4 piston body assembly of the present invention;
The control circuit block diagram of Fig. 5 three grades of buffers of the present invention.
Wherein, the piston rod of the piston rod of the piston rod of 1 chopped-off head buffer, 2 intergrade buffers, 3 final stage buffers, 4 cylinder bodies, 5 cylinder caps, 6 chopped-off head buffers, 6-1 intergrade buffer, 6-2 final stage buffer, 7 piston body assemblies, 8 urceolus, 9 pressure transducers, 7-1 left piston body, the right piston body of 7-2,7-3 through hole, 7-4 motor, 7-5 rotor.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
See Fig. 1, Fig. 2 and Fig. 5, a kind of buffer according to surge pressure control piston movement velocity, described buffer are three grades of buffers, and these three grades of buffers comprise: chopped-off head buffer 1, intergrade buffer 2 and final stage buffer 3; Described chopped-off head buffer 1, intergrade buffer, final stage buffer 3 comprise respectively: cylindrical, and be used for filling the cylinder body 4 of buffer medium, opening end sealing at this cylinder body 4 is provided with cylinder cap 5, the sealing activity is combined with a piston rod 6 in the central through bore of described cylinder cap 5, the right-hand member of this piston rod 6 is provided with piston body assembly 7, this piston body assembly 7 is suitable for doing the piston motion in described cylinder body 4, and cooperates with the inwall movable sealing of described cylinder body 4; Wherein, the cylinder body 4 of described chopped-off head buffer 1 constitutes the piston rod 6-1 of described intergrade buffer 2, and the cylinder body 4 of described intergrade buffer 2 constitutes the piston rod 6-2 of described final stage buffer 3; Be respectively equipped with the pressure transducer 9 for detection of pressure medium on the right side of the piston body assembly 7 of described buffers at different levels, described pressure transducer 9 links to each other with a processor module respectively; The piston body assembly 7 of buffers at different levels is suitable for when piston moves, and described processor module is regulated the past regurgitation volume of medium in the corresponding cylinder body 4, with the speed of control piston motion according to described pressure transducer 9 detected pressure mediums.
Urceolus 8 inside bottom (among the figure being its right end face of urceolus 8) are fixed in piston rod 6 bottoms of described chopped-off head buffer 1.
F represents the pressure direction that three grades of buffers are subjected to, and F1, F2, F3 represent the moving direction of piston in the buffers at different levels.
See Fig. 3 and Fig. 4, described piston body assembly 7 comprises: the left and right piston body 7-2 of arranged in co-axial alignment, be arranged with the through hole that several are used for the medium axial flow on this left and right piston body, being sealed and matched between the adjacent face of left and right piston body, so that do piston when motion, medium is only realized coming and going by each the through hole 7-3 on the described left and right piston body and is flowed; Be provided with in the described left piston body 7-1 for the cavity of placing motor 7-4, this motor 7-4 is controlled by described processor module, its rotor 7-5 is connected in described right piston body 7-2, be used for driving this right side piston body 7-2 rotation according to pressure medium, also can be understood as coaxial deflection respective angles, controlling the relative position relation of each through hole on the left and right piston body, and then control media flow, i.e. control piston movement velocity.
The dotted line through hole represents it is through hole 7-3 among the left piston body 7-1 among Fig. 4, the solid line through hole is represented the through hole among the right piston body 7-2, arrow is represented motor 7-4 sense of rotation, and this Fig. 4 is illustrated in respective through hole docking operation on the fitting surface of left and right piston body, with the flow in the control through hole.
Described right piston body 7-2 is with respect to the coaxial deflection of right piston body 7-2, its slewing area is no more than the diameter of through hole, be that motor 7-4 drives right piston body 7-2 in this diameter range according to pressure medium, do to come and go and rotate, to reach the purpose of control media flow, thereby play the piston movement speed of control respective pistons body assembly 7, and then pressure mediums in the alleviation cylinder body 4, play the purpose that prolongs the buffer life-span, can also close the buffer of corresponding stage, three grades of buffers take turns to operate, and when effectively preventing work, cause buffer to damage because temperature raises.
Described motor 7-4 can adopt the high direct current generator 7-4 of precision, perhaps stepper motor 7-4.Power pack can adopt powered battery.Battery can be installed in a left side or the right piston body 7-2, and pressure transducer 9 for example can adopt the gloomy P499VBS-404C in river.
See Fig. 4, if described through hole 7-3 is how individual, its distribution can be concentric circle with left and right piston body 7-2 and distribute.
In order accurately to reach the control purpose, described processor module can adopt single-chip microcomputer, embedded control chip, the pressure signal that described pressure transducer 9 obtains, accurately control each motor 7-4 deflection angle in the buffers at different levels by processor module, to control piston body assembly 7 medium flows at different levels, regulate each cylinder body medium pressure.Described processor module can be put into described left piston body or right piston body.Connecting line between described pressure transducer 9, motor 7-4, the control chip can be placed in the cylinder wall of buffers at different levels, perhaps directly places medium.
Obviously, above-described embodiment only is for example of the present invention clearly is described, and is not to be restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all mode of executions exhaustive.And these belong to apparent variation or the change that spirit of the present invention extended out and still are among protection scope of the present invention.
Claims (2)
1. buffer according to surge pressure control piston movement velocity is characterized in that:
Described buffer is three grades of buffers, and these three grades of buffers comprise: chopped-off head buffer, intergrade buffer and final stage buffer;
Described chopped-off head buffer, intergrade buffer, final stage buffer comprise respectively:
Cylindrical, and be used for filling the cylinder body of buffer medium, opening end sealing at this cylinder body is provided with cylinder cap, the sealing activity is combined with a piston rod in the central through bore of described cylinder cap, the right-hand member of this piston rod is provided with the piston body assembly, this piston body assembly is suitable for doing the piston motion in described cylinder body, and cooperates with the inwall movable sealing of described cylinder body;
Wherein, the cylinder body of described chopped-off head buffer constitutes the piston rod of described intergrade buffer, and the cylinder body of described intergrade buffer constitutes the piston rod of described final stage buffer;
Be respectively equipped with the pressure transducer for detection of pressure medium on the right side of the piston body assembly of described buffers at different levels, described pressure transducer links to each other with a processor module respectively;
The piston body assembly of buffers at different levels is suitable for when doing the piston motion, and described processor module is regulated the past regurgitation volume of medium in the corresponding cylinder body, with the speed of control piston motion according to the detected pressure medium of described pressure transducer.
2. buffer according to claim 1, it is characterized in that, described piston body assembly comprises: the left and right piston body of arranged in co-axial alignment, be arranged with the through hole that several are used for the medium axial flow on this left and right piston body, being sealed and matched between the adjacent face of left and right piston body, so that do piston when motion, medium is only realized coming and going by each through hole on the described left and right piston body and is flowed;
Be provided with in the described left piston body for the cavity of placing motor, this motor is controlled by described processor module, its rotor is connected in described right piston body, be used for driving this right side piston body rotation according to pressure medium, to control the relative position relation of each through hole on the left and right piston body, and then control media flow, i.e. control piston movement velocity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310256046.5A CN103291807B (en) | 2013-06-25 | 2013-06-25 | According to the buffer of surge pressure control piston movement velocity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310256046.5A CN103291807B (en) | 2013-06-25 | 2013-06-25 | According to the buffer of surge pressure control piston movement velocity |
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| Publication Number | Publication Date |
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| CN103291807A true CN103291807A (en) | 2013-09-11 |
| CN103291807B CN103291807B (en) | 2016-04-06 |
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| CN201310256046.5A Active CN103291807B (en) | 2013-06-25 | 2013-06-25 | According to the buffer of surge pressure control piston movement velocity |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187471A (en) * | 1992-01-10 | 1993-07-27 | Bridgestone Corp | Vibration damping device |
| JP2000161413A (en) * | 1998-11-25 | 2000-06-16 | Nissan Motor Co Ltd | Multistage shock absorber |
| US20060049013A1 (en) * | 2004-09-03 | 2006-03-09 | Hyundai Mobis Co., Ltd | Integrated suspension system for vehicle |
| CN101392809A (en) * | 2007-09-21 | 2009-03-25 | 利勃海尔航空航天林登贝格股份有限公司 | Active hydraulic damper and hydraulic actuator |
| DE102008054573A1 (en) * | 2008-12-12 | 2010-06-17 | Robert Bosch Gmbh | Method for determining compression travel of two pipe-shock absorber for motor vehicle, involves determining compression path from differences of pressures, and calculating compression travel from speed |
| CN202149175U (en) * | 2011-06-30 | 2012-02-22 | 北京金自天和缓冲技术有限公司 | Buffer |
-
2013
- 2013-06-25 CN CN201310256046.5A patent/CN103291807B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187471A (en) * | 1992-01-10 | 1993-07-27 | Bridgestone Corp | Vibration damping device |
| JP2000161413A (en) * | 1998-11-25 | 2000-06-16 | Nissan Motor Co Ltd | Multistage shock absorber |
| US20060049013A1 (en) * | 2004-09-03 | 2006-03-09 | Hyundai Mobis Co., Ltd | Integrated suspension system for vehicle |
| CN101392809A (en) * | 2007-09-21 | 2009-03-25 | 利勃海尔航空航天林登贝格股份有限公司 | Active hydraulic damper and hydraulic actuator |
| DE102008054573A1 (en) * | 2008-12-12 | 2010-06-17 | Robert Bosch Gmbh | Method for determining compression travel of two pipe-shock absorber for motor vehicle, involves determining compression path from differences of pressures, and calculating compression travel from speed |
| CN202149175U (en) * | 2011-06-30 | 2012-02-22 | 北京金自天和缓冲技术有限公司 | Buffer |
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| Publication number | Publication date |
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| CN103291807B (en) | 2016-04-06 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Guoping Inventor before: Tang Quanlin Inventor before: Deng Xueshan Inventor before: Xu Jinming Inventor before: Pan Jinliang Inventor before: Xu Rencai Inventor before: Tang Haoqing Inventor before: Li Gang Inventor before: Gao Yunfei Inventor before: Tan Xiaoqiang Inventor before: Su Xin Inventor before: Zhang Zhiming |
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Effective date of registration: 20160301 Address after: 215127 Jiangsu province Suzhou city Wuzhong District town of Luzhi Airport Road (katsuura bridge south side) Applicant after: Suzhou Xin Ling Electric Furnace Co., Ltd. Address before: No. 4469 Wuzhong District Wuzhong road in Suzhou city of Jiangsu Province in 215103 Applicant before: Suzhou Tangshi Machinery Manufacturing Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
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