CN103307178A - Two-stage buffer capable of controlling buffering sequence stage by stage - Google Patents
Two-stage buffer capable of controlling buffering sequence stage by stage Download PDFInfo
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- CN103307178A CN103307178A CN2013102558145A CN201310255814A CN103307178A CN 103307178 A CN103307178 A CN 103307178A CN 2013102558145 A CN2013102558145 A CN 2013102558145A CN 201310255814 A CN201310255814 A CN 201310255814A CN 103307178 A CN103307178 A CN 103307178A
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- 239000000872 buffer Substances 0.000 title claims abstract description 83
- 230000003139 buffering effect Effects 0.000 title claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000001276 controlling effect Effects 0.000 claims description 7
- 206010067171 Regurgitation Diseases 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The invention relates to a two-stage buffer capable of controlling a buffering sequence stage by stage. The buffer comprises a first stage buffer part and a final stage buffer part, wherein each of the first stage buffer part and the final stage buffer part comprises a columniform cylinder body; cylinder covers are arranged at open ends of the cylinder bodies in a sealing manner; a piston rod is movably matched with a center through hole of each cylinder cover in a sealing manner; piston body components are arranged at the right ends of the piston rods; the piston body components can make piston motion in the cylinder bodies, and are movably matched with inner walls of the cylinder bodies in a sealing manner; the cylinder body of the first stage buffer part forms the piston rod of the final stage buffer part; pressure sensors for detecting medium pressures are arranged on the right end surfaces of the piston body components of the first stage buffer part and the final stage buffer part; and the piston body components of both the buffer parts are can adjust the medium traffic flows in the corresponding cylinder bodies according to the medium pressures detected by the pressure sensors to control the speed of the piston motion during the piston motion.
Description
Technical field
The present invention relates to a kind of buffer, relate in particular to a kind of buffer take elastic gel as buffer medium.
Background technique
In the bumper and absorbing shock field, buffer uses very extensive, and its Main Function 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 two-stage buffer that is suitable for controlling step by step the buffering order, and this two-stage buffer has solved the variation owing to impact energy, and relies on the difference of medium, is difficult to limit the technical problem of buffer job orders at different levels.
The invention provides a kind of two-stage buffer that is suitable for controlling step by step the buffering order, comprising: chopped-off head buffer, final stage buffer; Described chopped-off head 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, air-tight movable 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 making piston movement 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 consists of 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 chopped-off head buffer, final stage buffer, each pressure transducer links to each other with a processor module respectively; The piston body assembly of buffers at different levels is suitable for when making piston movement, 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 pressure medium that described pressure transducer detects.
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 when making piston movement, 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 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 under high pressure conditions, easily cause damage; (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) this two-stage buffer need not to consider that medium is different, and the application place is extensive, need not to regulate in addition the buffer job order.
Description of drawings
For content of the present invention is more likely to be clearly understood, 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 two-stage buffer of the present invention;
The structural representation two of Fig. 2 two-stage buffer of the present invention;
The structural representation of the piston body assembly in Fig. 3 two-stage buffer of the present invention;
The work schematic diagram of Fig. 4 piston body assembly of the present invention;
The control circuit block diagram of Fig. 5 two-stage buffer of the present invention.
Wherein, the piston rod of the piston rod of 1 chopped-off head buffer, 2 final stage buffers, 4 cylinder bodies, 5 cylinder caps, 6 chopped-off head buffers, 6-1 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 two-stage buffer that is suitable for controlling step by step the buffering order comprises: chopped-off head buffer 1, final stage buffer 2; Described chopped-off head buffer 1, final stage buffer 2 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, air-tight movable 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 at the described cylinder body 4 interior piston movements of doing, and cooperates with the inwall movable sealing of described cylinder body 4; Wherein, the cylinder body 4 of described chopped-off head buffer 1 consists of the piston rod 6-1 of described final stage buffer 2; Be respectively equipped with the pressure transducer 9 for detection of pressure medium on the right side of the piston body assembly of described chopped-off head buffer 1, final stage buffer 2, each pressure transducer links to each other with a processor module respectively; The piston body assembly 7 of buffers at different levels is suitable for when piston movement, 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 the pressure medium that described pressure transducer 9 detects.
The urceolus 8 inside bottom its right end face of urceolus 8 (as shown in the figure, for) are fixed in piston rod 6 bottoms of described chopped-off head buffer 1.
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 when making piston movement, 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 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 represents the through hole among the right piston body 7-2, arrow represents 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 alleviate cylinder body 4 interior pressure mediums, play the purpose that prolongs the buffer life-span.
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 left 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. a two-stage buffer that is suitable for controlling step by step the buffering order is characterized in that comprising: chopped-off head buffer, final stage buffer;
Described chopped-off head 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, air-tight movable 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 making piston movement 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 consists of 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 chopped-off head buffer, final stage buffer, each pressure transducer links to each other with a processor module respectively;
The piston body assembly of buffers at different levels is suitable for when making piston movement, 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 pressure medium that described pressure transducer detects.
2. two-stage 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 when making piston movement, 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 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 |
|---|---|---|---|
| CN201310255814.5A CN103307178B (en) | 2013-06-25 | 2013-06-25 | A kind of two-stage buffer being suitable for gradual control buffering order |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310255814.5A CN103307178B (en) | 2013-06-25 | 2013-06-25 | A kind of two-stage buffer being suitable for gradual control buffering order |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103307178A true CN103307178A (en) | 2013-09-18 |
| CN103307178B CN103307178B (en) | 2016-03-09 |
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| CN201310255814.5A Expired - Fee Related CN103307178B (en) | 2013-06-25 | 2013-06-25 | A kind of two-stage buffer being suitable for gradual control buffering order |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3711002C1 (en) * | 1987-04-01 | 1988-10-13 | Boge Ag | Valve arrangement for a telescopic vibration damper |
| US5193844A (en) * | 1990-05-09 | 1993-03-16 | Mazda Motor Corporation | Suspension system for a vehicle |
| US5248015A (en) * | 1991-12-09 | 1993-09-28 | Mazda Motor Corporation | Automobile suspension |
| US5295705A (en) * | 1991-12-09 | 1994-03-22 | Mazda Motor Corporation | Automobile suspension including control of variable damping coefficient shock absorber |
| US20060049013A1 (en) * | 2004-09-03 | 2006-03-09 | Hyundai Mobis Co., Ltd | Integrated suspension system for vehicle |
| 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 |
| CN103307176A (en) * | 2013-06-25 | 2013-09-18 | 苏州唐氏机械制造有限公司 | Two-stage buffer capable of realizing uniform buffering of both stages |
-
2013
- 2013-06-25 CN CN201310255814.5A patent/CN103307178B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3711002C1 (en) * | 1987-04-01 | 1988-10-13 | Boge Ag | Valve arrangement for a telescopic vibration damper |
| US5193844A (en) * | 1990-05-09 | 1993-03-16 | Mazda Motor Corporation | Suspension system for a vehicle |
| US5248015A (en) * | 1991-12-09 | 1993-09-28 | Mazda Motor Corporation | Automobile suspension |
| US5295705A (en) * | 1991-12-09 | 1994-03-22 | Mazda Motor Corporation | Automobile suspension including control of variable damping coefficient shock absorber |
| US20060049013A1 (en) * | 2004-09-03 | 2006-03-09 | Hyundai Mobis Co., Ltd | Integrated suspension system for vehicle |
| 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 |
| CN103307176A (en) * | 2013-06-25 | 2013-09-18 | 苏州唐氏机械制造有限公司 | Two-stage buffer capable of realizing uniform buffering of both stages |
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| Publication number | Publication date |
|---|---|
| CN103307178B (en) | 2016-03-09 |
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Inventor after: Qian Weifang Inventor before: Tang Quanlin Inventor before: Deng Xueshan Inventor before: Gao Yunfei Inventor before: Zhang Zhiming Inventor before: Li Gang Inventor before: Xu Rencai Inventor before: Xu Jinming Inventor before: Tan Xiaoqiang Inventor before: Pan Jinliang Inventor before: Su Xin Inventor before: Tang Haoqing |
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Effective date of registration: 20160204 Address after: Cheng lake road Wuzhong Economic Development Zone of Suzhou City, Jiangsu Province, No. 7, building 4, 215128 Applicant after: SUZHOU HAIERSHI INFORMATION TECHNOLOGY Co.,Ltd. Address before: No. 4469 Wuzhong District Wuzhong road in Suzhou city of Jiangsu Province in 215103 Applicant before: SUZHOU TANG'S MACHINERY MANUFACTURING Co.,Ltd. |
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Effective date of registration: 20210114 Address after: 215104 Building 1, No. 1368, Wuzhong Avenue, Yuexi street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: Suzhou Wei you Intellectual Property Operation Co.,Ltd. Address before: 215128 No. 7, Chenghu East Road, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: SUZHOU HAIERSHI INFORMATION TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20220815 Address after: 215128 2 / F, building 1, No. 178, Tayun Road, Yuexi street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: SUZHOU WEISIDAO INTELLIGENT TECHNOLOGY CO.,LTD. Address before: 215104 Building 1, No. 1368, Wuzhong Avenue, Yuexi street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: Suzhou Wei you Intellectual Property Operation Co.,Ltd. |
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