CN105090326A - Processor module controlled two-stage buffer with temperature detecting device - Google Patents
Processor module controlled two-stage buffer with temperature detecting device Download PDFInfo
- Publication number
- CN105090326A CN105090326A CN201510494808.4A CN201510494808A CN105090326A CN 105090326 A CN105090326 A CN 105090326A CN 201510494808 A CN201510494808 A CN 201510494808A CN 105090326 A CN105090326 A CN 105090326A
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- China
- Prior art keywords
- stage buffer
- piston body
- piston
- buffer
- processor module
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
- F16F9/5123—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity responsive to the static or steady-state load on the damper
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
- F16F9/303—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium the damper being of the telescopic type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/22—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with one or more cylinders each having a single working space closed by a piston or plunger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Actuator (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to a processor module controlled two-stage buffer with a temperature detecting device. The processor module controlled two-stage buffer comprises a first-stage buffer body and a last-stage buffer body. The first-stage buffer body and the last-stage buffer body each comprise a cylindrical cylinder, cylinder covers are arranged at the open ends of the cylinders in a sealing manner, piston rods are arranged in center through holes of the cylinder covers in a movable sealing fit manner, and piston assemblies are arranged at the right ends of the piston rods. The piston assemblies are suitable for doing piston motion in the cylinders, and are in movable sealing fit with the inner walls of the cylinders. The piston rod of the last-stage buffer body is formed by the cylinder of the first-stage buffer body. Sensor sets are arranged on the right end face of the piston assembly of the first-stage buffer body and the right end face of the piston assembly of the second-stage buffer body, each sensor set comprises a temperature sensor suitable for detecting the temperature of media, and the temperature sensors are connected with a processor module. According to a work method for the two-stage buffer, a liquid crystal display module is arranged on an outer barrel wall, and the processor module is suitable for displaying the temperature of the media through the liquid crystal display module.
Description
Technical field
The present invention relates to a kind of buffer, particularly relating to a kind of take elastic gel as the buffer of buffer medium.
Background technique
In bumper and absorbing shock field, buffer uses very extensive, and its Main Function absorbs various impact energy, proterctive equipment and reduction noise etc.
But buffer in use can produce certain temperature, continuous firing, temperature can be assembled, and needs to carry out cooling and processes, but how in detection buffer the temperature of buffer medium be the technical barrier of related domain.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of two-stage buffer with temperature-detecting device, and this buffer solves the technical problem detecting medium temperature.
The invention provides a kind of two-stage buffer with temperature-detecting device, wherein, described two-stage buffer comprises: chopped-off head buffer, final stage buffer; Described chopped-off head buffer, final stage buffer comprise respectively: cylindrical, and for filling the cylinder body of buffer medium, cylinder cap is provided with in the opening end sealing of this cylinder body, in the central through bore of described cylinder cap, air-tight movable is combined with a piston rod, the right-hand member of this piston rod is provided with piston body assembly, this piston body assembly is suitable for making piston movement in described cylinder body, and coordinates with the inwall movable sealing of described cylinder body; Wherein, the cylinder body of described chopped-off head buffer forms the piston rod of described final stage buffer; The right side of the piston body assembly of described chopped-off head buffer, final stage buffer is respectively equipped with sensor group, and this sensor group comprises the temperature transducer being suitable for detecting medium temperature, and this temperature transducer is connected with a processor module; The outer tube wall of described two-stage buffer is provided with LCD MODULE; The method of work of described two-stage buffer comprises: described processor module is suitable for by LCD MODULE display medium temperature.
Further, described sensor group comprises the pressure transducer for detecting pressure medium, and this pressure transducer is connected with described processor module; The piston body assembly of buffer at different levels is suitable for when making piston movement, the pressure medium that described processor module detects according to described each pressure transducer, regulates medium in corresponding cylinder body toward regurgitation volume, with the speed of control piston motion.
Further, described piston body assembly comprises: described piston body assembly comprises: the left and right piston body of arranged in co-axial alignment, this left and right piston body is arranged with several through holes for medium axial flow, being sealed and matched between the adjacent face of left and right piston body, during to make to make piston movement, medium realizes coming and going flowing by means of only each through hole on described left and right piston body; The cavity for placing motor is provided with in described left piston body, this motor is controlled by described processor module, its rotor is connected to described right piston body, rotate for driving this right piston body according to pressure medium, to control the relative position relation of each through hole on left and right piston body, and then control media flow, i.e. control piston movement velocity.
Compared with prior art, tool of the present invention has the following advantages: (1) the present invention can reflect the temperature conditions of medium in cylinder in time by temperature transducer, avoids causing buffer to damage because temperature is too high; (2) instant invention overcomes in prior art due to impact energy fluctuation, and cause multi-stage buffer cannot the technical problem of co-ordination, the present invention detects impact energy by pressure transducer, and the medium of suitable adjustment buffer at different levels is toward regurgitation volume, to control the movement velocity of each piston body assembly, make buffer co-ordination at different levels, avoid certain one-level buffer that may occur excessive because of impact energy, all the other buffers have little time compression, and cause this grade of buffer long-term work in a high voltage state, easily cause damage; (3) coordinated by each through hole in left and right piston body, to control medium in corresponding cylinder body toward regurgitation volume, thus change the shuttle speed of respective pistons, to alleviate the cavity pressure of cylinder body at different levels, extend the buffer life-span; (4) this two-stage buffer is without the need to considering that medium is different, and application place is extensive, without the need to regulating buffer operative order in addition.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below basis specific embodiment and by reference to the accompanying drawings, 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 operating 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, piston rod, the piston rod of 6-1 final stage buffer, 7 piston body assemblies, 8 urceolus, 9 sensor groups, 7-1 left piston body, the right piston body of 7-2,7-3 through hole, 7-4 motor, the 7-5 rotor of 1 chopped-off head buffer, 2 final stage buffers, 4 cylinder bodies, 5 cylinder caps, 6 chopped-off head buffers.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail:
See Fig. 1, Fig. 2 and Fig. 5, a kind of two-stage buffer with temperature-detecting device, wherein, described two-stage buffer comprises: chopped-off head buffer 1, final stage buffer 2; Described chopped-off head buffer 1, final stage buffer 2 comprise respectively: cylindrical, and for filling the cylinder body 4 of buffer medium, cylinder cap 5 is provided with in the opening end sealing of this cylinder body 4, in the central through bore of described cylinder cap 5, air-tight movable is combined with a piston rod 6, the right-hand member of this piston rod 6 is provided with piston body assembly 7, this piston body assembly 7 is suitable for making piston movement in described cylinder body 4, and coordinates with the inwall movable sealing of described cylinder body 4; Wherein, the cylinder body 4 of described chopped-off head buffer 1 forms the piston rod 6-1 of described final stage buffer 2; The right side of the piston body assembly 7 of described chopped-off head buffer 1, final stage buffer 2 is respectively equipped with sensor group, and this sensor group 9 comprises the temperature transducer being suitable for detecting medium temperature, and this temperature transducer is connected with a processor module; Urceolus 8 wall of described two-stage buffer is provided with LCD MODULE, and the method for work of described two-stage buffer comprises: described processor module is suitable for by LCD MODULE display medium temperature.
Described sensor group 9 comprises the pressure transducer for detecting pressure medium, and each pressure transducer is connected with described processor module respectively; The piston body assembly 7 of buffer at different levels is suitable for when piston movement, the pressure medium that described processor module detects according to described each pressure transducer, regulates medium in corresponding cylinder body 4 toward regurgitation volume, with the speed of control piston motion.
Urceolus 8 inside bottom (if figure is its right end face of urceolus 8) is fixed on bottom the piston rod 6 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, this left and right piston body is arranged with several through holes for medium axial flow, being sealed and matched between the adjacent face of left and right piston body, during to make to make piston movement, medium realizes coming and going flowing by means of only each through hole 7-3 on described left and right piston body; The cavity for placing motor 7-4 is provided with in described left piston body 7-1, this motor 7-4 is controlled by described processor module, its rotor 7-5 is connected to described right piston body 7-2, rotate for driving this right piston body 7-2 according to pressure medium, also can be understood as and coaxially deflect respective angles, to control the relative position relation of each through hole on left and right piston body, and then control media flow, i.e. control piston movement velocity, closes the buffer that medium temperature exceedes the corresponding stage of warning value.
In Fig. 4, dotted line through hole represents it is through hole 7-3 in left piston body 7-1, solid line through hole represents the through hole in right piston body 7-2, arrow represents motor 7-4 sense of rotation, and this Fig. 4 represents respective through hole docking operation on the fitting surface of left and right piston body, to control the flow in through hole.
Described right piston body 7-2 coaxially deflects relative to right piston body 7-2, its slewing area is no more than the diameter of through hole, namely 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 object of control media flow, thus play the piston movement speed controlling respective pistons body assembly 7, and then alleviate pressure medium in cylinder body 4, play the object extending the buffer life-span.
The direct current generator 7-4 that described motor 7-4 can adopt precision high, or stepper motor 7-4.Power pack can adopt powered battery.Battery can be installed in left or right piston body 7-2, and pressure transducer such as can adopt the gloomy P499VBS-404C in river.
See Fig. 4, if many of described through hole 7-3, its distribution can be that concentric circle distributes with left and right piston body 7-2.
In order to accurately reach control object, described processor module can adopt single-chip microcomputer, embedded control chip, the pressure signal that described pressure transducer obtains, each motor 7-4 deflection angle in buffer at different levels is accurately controlled by processor module, to control piston body assembly 7 medium flow at different levels, regulate each cylinder body medium pressure.Described processor module can put into described left piston body or right piston body.Connecting line between described pressure transducer, motor 7-4, control chip can be placed in the cylinder wall of buffer at different levels, or is directly placed in medium.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the 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 exhaustive without the need to also giving all mode of executions.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (2)
1., with a two-stage buffer for temperature-detecting device, it is characterized in that,
Described two-stage buffer comprises: chopped-off head buffer, final stage buffer;
Described final stage buffer comprises: for filling the cylinder body of buffer medium, cylinder cap is provided with in the opening end sealing of this cylinder body, in the central through bore of described cylinder cap, air-tight movable is combined with a piston rod, the right-hand member of this piston rod is provided with piston body assembly, this piston body assembly is suitable for making piston movement in described cylinder body, and coordinates with the inwall movable sealing of described cylinder body;
The right side of the piston body assembly of described chopped-off head buffer is provided with sensor group, and this sensor group comprises the temperature transducer being suitable for detecting medium temperature, and this temperature transducer is connected with a processor module;
The outer tube wall of described two-stage buffer is provided with LCD MODULE.
2. two-stage buffer according to claim 1, is characterized in that,
Described piston body assembly comprises: the left and right piston body of arranged in co-axial alignment, this left and right piston body is arranged with several through holes for medium axial flow, being sealed and matched between the adjacent face of left and right piston body, during to make to make piston movement, medium realizes coming and going flowing by means of only each through hole on described left and right piston body;
The cavity for placing motor is provided with in described left piston body, this motor is controlled by described processor module, its rotor is connected to described right piston body, rotate for driving this right piston body according to pressure medium, to control the relative position relation of each through hole on left and right piston body, and then control media flow, i.e. control piston movement velocity.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310256628.3A CN103307181B (en) | 2013-06-25 | 2013-06-25 | A kind of method of work of the two-stage buffer with temperature-detecting device |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310256628.3A Division CN103307181B (en) | 2013-06-25 | 2013-06-25 | A kind of method of work of the two-stage buffer with temperature-detecting device |
Publications (1)
| Publication Number | Publication Date |
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| CN105090326A true CN105090326A (en) | 2015-11-25 |
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Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510490165.6A Pending CN105114511A (en) | 2013-06-25 | 2013-06-25 | Two-stage buffer controlled by processor module and provided with temperature detection device |
| CN201510494808.4A Pending CN105090326A (en) | 2013-06-25 | 2013-06-25 | Processor module controlled two-stage buffer with temperature detecting device |
| CN201510492287.9A Pending CN105114520A (en) | 2013-06-25 | 2013-06-25 | Two-level buffer controlled by processor modules |
| CN201510494269.4A Pending CN105090323A (en) | 2013-06-25 | 2013-06-25 | Work method of two levels of buffers controlled by processor module |
| CN201510494187.XA Pending CN105090332A (en) | 2013-06-25 | 2013-06-25 | Two-stage buffer controlled by processor module |
| CN201310256628.3A Active CN103307181B (en) | 2013-06-25 | 2013-06-25 | A kind of method of work of the two-stage buffer with temperature-detecting device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510490165.6A Pending CN105114511A (en) | 2013-06-25 | 2013-06-25 | Two-stage buffer controlled by processor module and provided with temperature detection device |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510492287.9A Pending CN105114520A (en) | 2013-06-25 | 2013-06-25 | Two-level buffer controlled by processor modules |
| CN201510494269.4A Pending CN105090323A (en) | 2013-06-25 | 2013-06-25 | Work method of two levels of buffers controlled by processor module |
| CN201510494187.XA Pending CN105090332A (en) | 2013-06-25 | 2013-06-25 | Two-stage buffer controlled by processor module |
| CN201310256628.3A Active CN103307181B (en) | 2013-06-25 | 2013-06-25 | A kind of method of work of the two-stage buffer with temperature-detecting device |
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| CN (6) | CN105114511A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806680A (en) * | 2013-06-25 | 2015-07-29 | 苏州唐氏机械制造有限公司 | Buffer using elastic colloid as buffer medium and capable of displaying medium temperature |
| CN105114511A (en) * | 2013-06-25 | 2015-12-02 | 蒋盘君 | Two-stage buffer controlled by processor module and provided with temperature detection device |
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| DE3215614A1 (en) * | 1982-04-27 | 1983-02-03 | Anna Dorothea 8000 München Sapunarow-Ryffel | Hydraulic single-tube shock absorber with damping control |
| EP1232884A2 (en) * | 2001-02-16 | 2002-08-21 | Trw Inc. | Anti-roll bar with link actuator for controlling torsional rigidity |
| CN2716586Y (en) * | 2004-07-02 | 2005-08-10 | 北京工业大学 | Double cylinder self-reset elastic daub buffer |
| 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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| CN202833822U (en) * | 2012-08-20 | 2013-03-27 | 成都市翻鑫家科技有限公司 | Temperature measure type automobile shock absorber |
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| FR2631458B1 (en) * | 1988-05-11 | 1990-09-14 | Inst Francais Du Petrole | ANTIBOUND DEVICE FOR AVOIDING MULTIPLE SHOCK OF A MOBILE MASS AFTER A FIRST SHOCK AGAINST ANOTHER ELEMENT |
| JPH05187471A (en) * | 1992-01-10 | 1993-07-27 | Bridgestone Corp | Vibration damping device |
| KR20060021456A (en) * | 2004-09-03 | 2006-03-08 | 현대모비스 주식회사 | Single body suspension with spring and damper for vehicles |
| KR101131050B1 (en) * | 2007-11-21 | 2012-03-29 | 주식회사 만도 | Shock absorber |
| JP2012240439A (en) * | 2011-05-16 | 2012-12-10 | Suzuki Motor Corp | Shock absorber stroke detecting device of motorcycle |
| CN105114511A (en) * | 2013-06-25 | 2015-12-02 | 蒋盘君 | Two-stage buffer controlled by processor module and provided with temperature detection device |
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2013
- 2013-06-25 CN CN201510490165.6A patent/CN105114511A/en active Pending
- 2013-06-25 CN CN201510494808.4A patent/CN105090326A/en active Pending
- 2013-06-25 CN CN201510492287.9A patent/CN105114520A/en active Pending
- 2013-06-25 CN CN201510494269.4A patent/CN105090323A/en active Pending
- 2013-06-25 CN CN201510494187.XA patent/CN105090332A/en active Pending
- 2013-06-25 CN CN201310256628.3A patent/CN103307181B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3215614A1 (en) * | 1982-04-27 | 1983-02-03 | Anna Dorothea 8000 München Sapunarow-Ryffel | Hydraulic single-tube shock absorber with damping control |
| EP1232884A2 (en) * | 2001-02-16 | 2002-08-21 | Trw Inc. | Anti-roll bar with link actuator for controlling torsional rigidity |
| CN2716586Y (en) * | 2004-07-02 | 2005-08-10 | 北京工业大学 | Double cylinder self-reset elastic daub buffer |
| 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 |
| CN202441795U (en) * | 2011-12-06 | 2012-09-19 | 北京市捷瑞特弹性阻尼体技术研究中心 | Hand-operated adjustable resilient rubber draft gear |
| CN202833822U (en) * | 2012-08-20 | 2013-03-27 | 成都市翻鑫家科技有限公司 | Temperature measure type automobile shock absorber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105114511A (en) | 2015-12-02 |
| CN105090332A (en) | 2015-11-25 |
| CN105090323A (en) | 2015-11-25 |
| CN105114520A (en) | 2015-12-02 |
| CN103307181B (en) | 2015-08-26 |
| CN103307181A (en) | 2013-09-18 |
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Application publication date: 20151125 |