CN204041819U - A kind of vibration damper for vehicle - Google Patents
A kind of vibration damper for vehicle Download PDFInfo
- Publication number
- CN204041819U CN204041819U CN201420511942.1U CN201420511942U CN204041819U CN 204041819 U CN204041819 U CN 204041819U CN 201420511942 U CN201420511942 U CN 201420511942U CN 204041819 U CN204041819 U CN 204041819U
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- CN
- China
- Prior art keywords
- touching plate
- piston rod
- static touching
- damp tube
- vibration damper
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of vibration damper for vehicle, include piston rod and damp tube, damp liquid is filled with in described damp tube, one end of described piston rod can be located in described damp tube slidably, the other end of described piston rod extends in outside described damp tube, wherein: the opening end of described damp tube is provided with the first static touching plate, described piston rod extends on the one end outside damp tube and is provided with the second static touching plate, described first static touching plate is greater than the maximum reciprocal distance of piston rod in described damp tube to the distance of the second static touching plate, described first static touching plate and the second static touching plate are connected with alarm mechanism, the utility model structure is simple, be convenient to promote, aim to provide a kind of vibration damper for vehicle of the very first time with regard to reporting to the police that can damage at vibration damper.
Description
Technical field
The utility model relates to a kind of locomotive element, and more particularly, it relates to a kind of vibration damper.
Background technique
Vibration damper, concussion when vibration damper rebounds after being mainly used to suppress spring shock-absorbing and the impact from road surface.Through uneven road surface, although shock-absorbing spring can filter the vibrations on road surface, spring self also has to-and-fro motion, and vibration damper is just used to suppress this spring to jump.Vibration damper is too soft, and vehicle body will vertical bounce, and vibration damper will bring too large resistance too firmly, hinders spring normally to work.About in the retrofit process of suspension system, hard vibration damper will be arranged in pairs or groups mutually with hard spring, and the hardness of spring is closely bound up with car weight, and therefore heavier car generally adopts harder vibration damper.With draw the device shaking bent axle and connect, the torsional shaking of the bent axle that is used for contending with (i.e. the impact force of bent axle subject cylinder igniting and twist phenomenon).
In prior art, be disclose a kind of vibration damper for vehicle in the Chinese utility model patent prospectus of CN201320293007.8 in the patent No., it comprises the damp tube being filled with damp liquid, the bypass formed between working area at piston rod side and the working area away from piston rod, isolation piston, shell attachment portion, module housing comprises at least one plastically deformable region, by at least one plastically deformable region, shell attachment portion is screwed into the in described module housing.The utility model solves the problem of prior art, and this model utility object produces the vibration damper with amplitude selectivity damping device, and wherein damping device can with the simple structure of favorable cost manufacture.Particularly, damping device should have shell, and it can install daming piston relative to piston rod with high position accuracy.
This vibration damper after damaging and losing efficacy at spring, damping device cannot find immediately and be changed, and vehicle domain just may be caused to damage because shaking excessive, even may cause overturning when jolting large.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model be to provide a kind of can when damping damages the vibration damper of automatic alarm.
For achieving the above object, the utility model provides following technological scheme: a kind of vibration damper for vehicle, include piston rod and damp tube, damp liquid is filled with in described damp tube, one end of described piston rod can be located in described damp tube slidably, the other end of described piston rod extends in outside described damp tube, wherein: the opening end of described damp tube is provided with the first static touching plate, described piston rod extends on the one end outside damp tube and is provided with the second static touching plate, described first static touching plate is greater than the maximum reciprocal distance of piston rod in damp tube to the distance of the second static touching plate, described first static touching plate and the second static touching plate are connected with alarm mechanism, this alarm mechanism includes two pieces of pressure transducers, one piece is arranged on the first static touching plate, the other end is arranged on the second static touching plate, and both are just to setting, pressure transducer is connected to loudspeaker and power supply by wire.
By adopting technique scheme, when described vibration damper for vehicle is not in compressive state, described first static touching plate is greater than to the distance of the second static touching plate described piston rod enters damp tube ultimate range when vehicle shock absorber is in compressive state, described first static touching plate and the second static touching plate can not be conflicted, described alarm mechanism does not work, when described vehicle shock absorber damages, described damp tube loses damping force, the distance that described piston rod enters damp tube is elongated, described first static touching plate and the second static touching plate contradict each other and produce pressure signal to described pressure transducer, described pressure transducer makes described loudspeaker send warning after receiving pressure signal.
The utility model is set to further: be provided with warning light in described alarm mechanism.
By adopting technique scheme, when described vehicle shock absorber faiture alarm, warning light lights, and plays effect in fact from visual effect, prevents described loudspeaker from well can not play alarm function because vehicle operating noise is excessive.
The utility model is set to further: described first static touching plate and the second static touching plate are set to silver-colored contact.
By adopting technique scheme, corrosion-resistant, the wear-resistant better effects if of described static touching plate, avoid after long-term use, described static touching plate is corroded, weares and teares.
Compared with prior art, the utility model has the advantage of: on vibration damper, be provided with warning device, by two pieces just to arranging and the contact be separately positioned on piston rod and damp tube, occur that compression stroke is excessive at vibration damper, when i.e. damping spring damage, damp tube were lost efficacy, two pieces of contact laminating trigger alarm mechanisms reach the effect of warning, and the moment monitors vibration damper Safety performance, give the alarm in the very first time of defective shock absorber, considerably increase the Safety performance of vibration damper.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model vibration damper for vehicle embodiment.
Reference character: 1. piston rod; 2. damp tube; 3. the first static touching plate; 4. the second static touching plate; 5. loudspeaker; 6. alarm mechanism; 7. spring; 8. pressure transducer.
Embodiment
With reference to Fig. 1, the utility model vibration damper for vehicle embodiment is described further.
A kind of vibration damper for vehicle, comprise piston rod 1 and damp tube 2, the cylindrical setting of described damp tube 2 and be filled with damp liquid in described damp tube 2, its working principle be when between vehicle frame (or vehicle body) and vehicle bridge vibrations and there is relative movement time, piston rod 1 in vibration damper moves up and down, fluid in damp tube just flows in another chamber from a chamber through different holes repeatedly, friction now between hole wall and fluid and the intermolecular interior friction of fluid form damping force to vibrations, thump Conversion of Energy is made to be fluid heat energy, be dispersed in air by absorber again, oil passage cross section and etc. factor constant time, damping force increases and decreases with the speed of related movement between vehicle frame and vehicle bridge (or wheel), and it is relevant with oil viscosity, described piston rod 1 is coaxially arranged with damp tube 2, one end of described piston rod 1 is set in damp tube 2, described piston rod 1 can move reciprocatingly in damp tube 2, the other end of described piston rod 1 extends in outside described damp tube 2, spring 7 is also arranged with outside described piston rod 1 and damp tube 2, described spring 7 is responsible for cutting down and is impacted, damp tube 2 responsible dampings, wherein, the opening end of described damp tube 2 is provided with the first static touching plate 3, one end outside damp tube 2 is provided with the second static touching plate 4 to described piston rod 1, the distance of described first static touching plate 3 to the second static touching plate 4 is greater than the maximum reciprocal distance of piston rod 1 in damp tube 2, described first static touching plate 3 and the second static touching plate 4 are connected with alarm mechanism 6, this alarm mechanism 6 includes two pieces of pressure transducers 8, described pressure transducer 8 is preferably set to piezoelectric pressure transducer 8, piezoelectric pressure transducer 8 principle is based on piezoelectric effect, piezoelectric effect is that some dielectrics when being subject to the effect of external force and being out of shape in a certain direction, its inside can produce polarization phenomena, on its two apparent surfaces, there is positive and negative contrary electric charge simultaneously.After external force is removed, it can return to uncharged state again, and this phenomenon is called direct piezoelectric effect.When the direction of active force changes, the polarity of electric charge also changes thereupon.On the contrary, when applying electric field on polarization of dielectric direction, these dielectricss also can deform, after electric field removes, dielectric distortion disappears thereupon, this phenomenon is called inverse piezoelectric effect, kind and the model of piezoelectric pressure transducer 8 are various, diaphragm type and piston type two class can be divided into by the form of elastic sensing element and force mechanism, diaphragm type is primarily of body, diaphragm and piezoelectric element composition, piezoelectric element is supported on body, piezoelectric element will be passed to by measuring pressure by diaphragm, the electrical signal becoming certain relation with by measuring pressure is exported again by piezoelectric element, the feature of this sensor is that volume is little, dynamic characteristic is good, high temperature resistant etc., described pressure transducer 8 one pieces is arranged on the first static touching plate 3, the other end is arranged on the second static touching plate 4, and both are just to setting, pressure transducer 8 is connected to loudspeaker 5 and power supply by wire, when described vibration damper for vehicle is not in compressive state, the distance of described first static touching plate 3 to the second static touching plate 4 is greater than described piston rod 1 enters damp tube 2 ultimate range when vehicle shock absorber is in compressive state, described first static touching plate 3 and the second static touching plate 4 can not be conflicted, described alarm mechanism 6 does not work, when described vehicle shock absorber damages, described damp tube 2 loses damping force, the distance that described piston rod 1 enters damp tube 2 is elongated, described first static touching plate 3 and the second static touching plate 4 contradict each other and produce pressure signal to described pressure transducer 8, electrical signal transfer is produced to single-chip microcomputer after described pressure transducer 8 receives pressure signal, single-chip microcomputer is a kind of IC chip, preferred employing structure simple FM8PE53-8S0P type single-chip microcomputer, warning is sent by loudspeaker 5 described in described Single-chip Controlling.
Described alarm mechanism has also been arranged in series warning light 6, and when described vehicle shock absorber faiture alarm, warning light 6 lights, and plays effect in fact from visual effect, prevents described loudspeaker 5 from well can not play alarm function because vehicle operating noise is excessive.
Described first static touching plate 3 and the second static touching plate 4 are set to silver-colored contact, and make corrosion-resistant, the wear-resistant better effects if of described static touching plate, avoid after long-term use, described static touching plate is corroded, weares and teares.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. a vibration damper for vehicle, include piston rod and damp tube, damp liquid is filled with in described damp tube, one end of described piston rod can be located in described damp tube slidably, the other end of described piston rod extends in outside described damp tube, be characterized in: the opening end of described damp tube is provided with the first static touching plate, described piston rod extends on the one end outside damp tube and is provided with the second static touching plate, described first static touching plate is greater than the maximum reciprocal distance of piston rod in described damp tube to the distance of the second static touching plate, described first static touching plate and the second static touching plate are connected with alarm mechanism.
2. vibration damper for vehicle according to claim 1, is characterized in that: be provided with warning light in described alarm mechanism.
3. vibration damper for vehicle according to claim 1 and 2, is characterized in that: described first static touching plate and the second static touching plate are set to silver-colored contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420511942.1U CN204041819U (en) | 2014-09-05 | 2014-09-05 | A kind of vibration damper for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420511942.1U CN204041819U (en) | 2014-09-05 | 2014-09-05 | A kind of vibration damper for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204041819U true CN204041819U (en) | 2014-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420511942.1U Expired - Fee Related CN204041819U (en) | 2014-09-05 | 2014-09-05 | A kind of vibration damper for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204041819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513408A (en) * | 2016-12-23 | 2017-03-22 | 重庆科本科技有限公司 | Cylinder cover cleaning machine |
-
2014
- 2014-09-05 CN CN201420511942.1U patent/CN204041819U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513408A (en) * | 2016-12-23 | 2017-03-22 | 重庆科本科技有限公司 | Cylinder cover cleaning machine |
| CN106513408B (en) * | 2016-12-23 | 2023-05-23 | 重庆科本科技股份有限公司 | Cylinder cover cleaning machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20170905 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |