CN105179555A - Automotive vibration reduction device - Google Patents
Automotive vibration reduction device Download PDFInfo
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- CN105179555A CN105179555A CN201510588520.3A CN201510588520A CN105179555A CN 105179555 A CN105179555 A CN 105179555A CN 201510588520 A CN201510588520 A CN 201510588520A CN 105179555 A CN105179555 A CN 105179555A
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Abstract
The invention discloses an automotive vibration reduction device. The automotive vibration reduction device comprises an oil storage cylinder. A working cylinder is arranged in the oil storage cylinder. A piston is arranged in the working cylinder and connected with a piston rod. The piston rod is connected with an upper connector. A dustproof cover is arranged at the joint of the upper connector and the piston rod. The piston rod penetrates the dustproof cover. The bottom end of the oil storage cylinder is connected with a lower connector. A first through hole and a second through hole are formed in the piston. A stretching valve is arranged in the first through hole. A circulation valve is arranged in the second through hole. First limiting blocks are fixed to the top end of the stretching valve and the bottom end of the circulation valve. An installation base is arranged in the working cylinder and internally provided with a third through hole and a fourth through hole. A compression valve is arranged in the third through hole. A compensation valve is arranged in the fourth through hole. Second limiting blocks are arranged at the top end of the compression valve and the bottom end of the compensation valve. Vibration reduction is conducted according to the hydraulic principle, the vibration reduction efficiency is high, automatic compensation and return can be conducted, the metal fatigue phenomenon is avoided, and the service life is prolonged.
Description
Technical field
The present invention relates to a kind of device, especially relate to a kind of damper for automobiles.
Background technique
Vibration damping is the measure reducing unwanted mechanical vibration in all kinds of machinery.In real work, people usually take only to make certain key position in machinery with the measure of the vibration attenuation in certain frequency range, therefore vibration can not be eliminated completely.General vibration reducing measure has reduction incentive action, avoids resonance region, increases damping and use vibration damper.Reduce incentive action: reduce excitation and just can reduce vibration.As motor, high-speed rotating shaft and reciprocating connecting rod, piston etc., the periodicity inertial force produced due to imbalance is at the volley often the main contributor producing forced vibration.On request dynamic balancing is carried out to these movement parts and can reduce vibration.If because Design and manufacture is improper, there is resonance in machinery, only avoids resonance region and effectively could reduce vibration.For this reason, the suitable position of machinery of being everlasting sets up rib to improve system frequency, or increases mass block to reduce system frequency, also can change the energizing frequency of machinery and avoid resonance region.More than one of the vibration source of some machinery, energizing frequency is more.Although or only have a vibration source, energizing frequency often changes, and only adjusts rigidity or quality and also may produce new resonance.If increase the damping of system, vibration just can be reduced in wider frequency range.As casing part often produces the very wide forced vibration of frequency range, wherein there are a lot of rank to resonate, produce strong noise simultaneously.Be stained with one deck viscoelastic material as rubber etc. at this kind of component surface, its damping can be increased, effectively suppress HFS each rank resonance.Vibration damper can used in some cases.Conventional vibration damper has: damping shock absorber, utilizes additional damping device dissipate vibrational energy; Impact damper, utilizes associated mass repeated stock oscillating body to reduce vibration; Dynamic shock absorber, in required frequency range, utilizes the quality of assistance in vibration damper to produce the power contrary with the excitation acting on original system, makes energy trasfer, reduce vibration; Pendulum damper, utilizes the power of pendulum mass to torsional vibration system work done to reduce torsional vibration.At automotive field, existing vibration damper damping efficiency is poor, and the people when the section poor by road conditions are felt, and shake is severe, take very uncomfortable, and the working life of vibration damper is very short.
Summary of the invention
The object of the invention is to overcome above-mentioned existing vehicle shock absorber damping efficiency poor, the people when the section poor by road conditions are felt, and shake is severe, take very uncomfortable, and the problem that the working life of vibration damper is very short, devise a kind of damper for automobiles, this device utilizes hydraulic principle to carry out vibration damping, damping efficiency is high, auto-compensation return can be carried out, avoid producing metal fatigue phenomenon, working life obtains prolongation, solve existing vehicle shock absorber damping efficiency poor, the people when the section poor by road conditions are felt, and shake is severe, take very uncomfortable, and the problem that the working life of vibration damper is very short.
Object of the present invention is achieved through the following technical solutions: a kind of damper for automobiles, comprise inner hollow and the oil storage cylinder of both ends open, inner hollow is provided with and the clutch release slave cylinder of both ends open in described oil storage cylinder, piston is provided with in clutch release slave cylinder, the sidewall of piston contacts with the cavity wall of clutch release slave cylinder, and piston can move along the cavity wall of clutch release slave cylinder, piston is connected with piston rod, oil storage cylinder and clutch release slave cylinder are stretched out in piston rod one end, one end that piston rod is arranged on oil storage cylinder outside is connected with connector, the joint of described upper connector and piston rod is provided with dust-proof cover, piston rod is through dust-proof cover, and oil storage cylinder is arranged in dust-proof cover, the bottom of oil storage cylinder is connected with lower connector, through hole one and through hole two is provided with in piston, rebound valve is provided with in through hole one, and rebound valve can carry out vertical in through hole one moves, flowing valve is provided with in through hole two, and flowing valve can carry out vertical in through hole two moves, the top of rebound valve and the bottom of flowing valve are all fixed with limiting stopper one, and the size of limiting stopper one is greater than the size of through hole one and the size of through hole two simultaneously, fitting seat is provided with in described clutch release slave cylinder, the sidewall of fitting seat and the sidewall seamless link of clutch release slave cylinder, fitting seat is arranged on the below of piston, through hole three and through hole four is provided with in fitting seat, compression valve is provided with in through hole three, and compression valve can be carried out vertical and moved in through hole three, recuperation valve is provided with in through hole four, recuperation valve can carry out vertical and move in through hole four, the top of compression valve and the bottom of recuperation valve are provided with limiting stopper two, and the size of limiting stopper two is greater than the size of through hole three and the size of through hole four simultaneously, the bottom of described rebound valve and the bottom of compression valve are all in circular cone shape, and the larger one end of area down, the bottom size of through hole one and the bottom size of rebound valve cooperatively interact, the bottom size of through hole three and the bottom size of compression valve cooperatively interact, the top of flowing valve and the top of recuperation valve are all in circular cone shape, and the larger one end of area upward, the tip size of through hole two and the tip size of flowing valve cooperatively interact, and the tip size of through hole four and the tip size of recuperation valve cooperatively interact.
The top of described oil storage cylinder is provided with oil sealing device, and oil sealing device covers the open-topped of oil storage cylinder completely, is provided with guide holder in oil sealing device, and guide holder is fixed on the open-topped place of clutch release slave cylinder, and piston rod is through guide holder and oil sealing device.
The bottom of described oil storage cylinder is provided with sealing seat, and sealing seat can close the bottom end opening of oil storage cylinder completely, and the bottom of clutch release slave cylinder is arranged in sealing seat, and lower connector is connected with the bottom of sealing seat.
One end that described piston rod is arranged on the cavity of oil storage cylinder is fixed with connecting bolt, and connecting bolt is through piston, and the outer wall of connecting bolt is sheathed with nut, and piston is arranged between nut and piston rod, and connecting bolt is arranged between rebound valve and flowing valve.
In sum, the invention has the beneficial effects as follows: this device utilizes hydraulic principle to carry out vibration damping, damping efficiency is high, can carry out auto-compensation return, avoid producing metal fatigue phenomenon, working life obtains prolongation, solve existing vehicle shock absorber damping efficiency poor, the people when the section poor by road conditions are felt, and shake is severe, takes very uncomfortable, and the problem that the working life of vibration damper is very short.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A place enlarged view of Fig. 1;
Fig. 3 is the B place enlarged view of Fig. 1.
Mark and corresponding component title in accompanying drawing: 1-upper connector; 2-dust-proof cover; 3-guide holder; 4-clutch release slave cylinder; 5-flowing valve; 6-nut; 7-connecting bolt; 8-recuperation valve; 9-sealing seat; 10-lower connector; 11-fitting seat; 12-compression valve; 13-piston; 14-rebound valve; 15-oil storage cylinder; 16-oil sealing device; 17-piston rod; 18-through hole one; 19-through hole two; 20-limiting stopper one; 21-through hole three; 22-limiting stopper two; 23-through hole four.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment:
As Fig. 1, Fig. 2, shown in Fig. 3, a kind of damper for automobiles, comprise inner hollow and the oil storage cylinder 15 of both ends open, inner hollow is provided with and the clutch release slave cylinder 4 of both ends open in described oil storage cylinder 15, piston 13 is provided with in clutch release slave cylinder 4, the sidewall of piston 13 contacts with the cavity wall of clutch release slave cylinder 4, and piston 13 can move along the cavity wall of clutch release slave cylinder 4, piston 13 is connected with piston rod 17, oil storage cylinder 15 and clutch release slave cylinder 4 are stretched out in piston rod 17 one end, one end that piston rod 17 is arranged on oil storage cylinder 15 outside is connected with connector 1, described upper connector 1 is provided with dust-proof cover 2 with the joint of piston rod 17, piston rod 17 is through dust-proof cover 2, and oil storage cylinder 15 is arranged in dust-proof cover 2, the bottom of oil storage cylinder 15 is connected with lower connector 10, through hole 1 and through hole 2 19 is provided with in piston 13, rebound valve 14 is provided with in through hole 1, and rebound valve 14 can carry out vertical in through hole 1 moves, flowing valve 5 is provided with in through hole 2 19, and flowing valve 5 can carry out vertical in through hole 2 19 moves, the top of rebound valve 14 and the bottom of flowing valve 5 are all fixed with limiting stopper 1, and the size of limiting stopper 1 is greater than the size of through hole 1 and the size of through hole 2 19 simultaneously, fitting seat 11 is provided with in described clutch release slave cylinder 4, the sidewall of fitting seat 11 and the sidewall seamless link of clutch release slave cylinder 4, fitting seat 11 is arranged on the below of piston 13, through hole 3 21 and through hole 4 23 is provided with in fitting seat 11, compression valve 12 is provided with in through hole 3 21, and compression valve 12 can be carried out vertical and moved in through hole 3 21, recuperation valve 8 is provided with in through hole 4 23, recuperation valve 8 can carry out vertical and move in through hole 4 23, the top of compression valve 12 and the bottom of recuperation valve 8 are provided with limiting stopper 2 22, the size of limiting stopper 2 22 is greater than the size of through hole 3 21 and the size of through hole 4 23 simultaneously, the bottom of described rebound valve 14 and the bottom of compression valve 12 are all in circular cone shape, and the larger one end of area down, the bottom size of through hole 1 and the bottom size of rebound valve 14 cooperatively interact, the bottom size of through hole 3 21 and the bottom size of compression valve 12 cooperatively interact, the top of flowing valve 5 and the top of recuperation valve 8 are all in circular cone shape, and the larger one end of area upward, the tip size of through hole 2 19 and the tip size of flowing valve 5 cooperatively interact, and the tip size of through hole 4 23 and the tip size of recuperation valve 8 cooperatively interact, the top of described oil storage cylinder 15 is provided with oil sealing device 16, and oil sealing device 16 covers the open-topped of oil storage cylinder 15 completely, is provided with guide holder 3 in oil sealing device 16, and guide holder 3 is fixed on the open-topped place of clutch release slave cylinder 4, and piston rod 17 is through guide holder 3 and oil sealing device 16, the bottom of described oil storage cylinder 15 is provided with sealing seat 9, and sealing seat 9 can close the bottom end opening of oil storage cylinder 15 completely, and the bottom of clutch release slave cylinder 4 is arranged in sealing seat 9, and lower connector 10 is connected with the bottom of sealing seat 9, one end that described piston rod 17 is arranged on the cavity of oil storage cylinder 15 is fixed with connecting bolt 7, connecting bolt 7 is through piston 13, and the outer wall of connecting bolt 7 is sheathed with nut 6, piston 13 is arranged between nut 6 and piston rod 17, and connecting bolt 7 is arranged between rebound valve 14 and flowing valve 5.In the actual use of this structure, upper connector 1 is connected with vehicle frame, lower connector 10 is connected with car sedan-chair, fitting seat 11 and the sidewall of clutch release slave cylinder 4 keep fixing, piston 13 can carry out vertical along the inwall of clutch release slave cylinder 4 and move in clutch release slave cylinder 4, dust-proof cover 2 prevents dust etc. from entering on oil sealing device 16 or piston rod 17, cause piston rod 17 to move and occur stuck phenomenon, when entering compression stroke when vibration damping, flowing valve 5 and compression valve 12 are opened, when entering extension stroke, rebound valve 14 and recuperation valve 8 are opened, owing to being provided with corresponding inclined-plane at respective through hole, it is all the process of a slow steady ordered that hydraulic oil is passed in and out, there will not be situation about changing rapidly, reduce the damage to modular construction, the working life of this device is extended, limiting stopper limits its displacement distance, prevent that displacement distance is excessive to be caused structural damage, and owing to being employing liquid-springing, relative to existing spring cushion, it is without this defect of metal fatigue, the better effects if of vibration damping, and longer service life, when making automobile pass through to jolt road surface like this, effectiveness in vibration suppression is better, passenger is more comfortable.
The above; it is only preferred embodiment of the present invention; not any pro forma restriction is done to the present invention, every according to technology of the present invention, method in fact to any simple modification, equivalent variations that above embodiment does, all fall within protection scope of the present invention.
Claims (4)
1. a damper for automobiles, it is characterized in that: comprise inner hollow and the oil storage cylinder of both ends open (15), inner hollow is provided with and the clutch release slave cylinder of both ends open (4) in described oil storage cylinder (15), piston (13) is provided with in clutch release slave cylinder (4), the sidewall of piston (13) contacts with the cavity wall of clutch release slave cylinder (4), and piston (13) can move along the cavity wall of clutch release slave cylinder (4), piston (13) is connected with piston rod (17), oil storage cylinder (15) and clutch release slave cylinder (4) are stretched out in piston rod (17) one end, one end that piston rod (17) is arranged on oil storage cylinder (15) outside is connected with connector (1), described upper connector (1) is provided with dust-proof cover (2) with the joint of piston rod (17), piston rod (17) is through dust-proof cover (2), and oil storage cylinder (15) is arranged in dust-proof cover (2), the bottom of oil storage cylinder (15) is connected with lower connector (10), through hole one (18) and through hole two (19) is provided with in piston (13), rebound valve (14) is provided with in through hole one (18), and rebound valve (14) can carry out vertical in through hole one (18) moves, flowing valve (5) is provided with in through hole two (19), and flowing valve (5) can carry out vertical in through hole two (19) moves, the top of rebound valve (14) and the bottom of flowing valve (5) are all fixed with limiting stopper one (20), the size of limiting stopper one (20) is greater than the size of through hole one (18) and the size of through hole two (19) simultaneously, fitting seat (11) is provided with in described clutch release slave cylinder (4), the sidewall of fitting seat (11) and the sidewall seamless link of clutch release slave cylinder (4), fitting seat (11) is arranged on the below of piston (13), through hole three (21) and through hole four (23) is provided with in fitting seat (11), compression valve (12) is provided with in through hole three (21), and compression valve (12) can be carried out vertical and moved in through hole three (21), recuperation valve (8) is provided with in through hole four (23), recuperation valve (8) can carry out vertical and move in through hole four (23), the top of compression valve (12) and the bottom of recuperation valve (8) are provided with limiting stopper two (22), the size of limiting stopper two (22) is greater than the size of through hole three (21) and the size of through hole four (23) simultaneously, the bottom of described rebound valve (14) and the bottom of compression valve (12) are all in circular cone shape, and the larger one end of area down, the bottom size of through hole one (18) and the bottom size of rebound valve (14) cooperatively interact, the bottom size of through hole three (21) and the bottom size of compression valve (12) cooperatively interact, the top of flowing valve (5) and the top of recuperation valve (8) are all in circular cone shape, and the larger one end of area upward, the tip size of through hole two (19) and the tip size of flowing valve (5) cooperatively interact, the tip size of through hole four (23) and the tip size of recuperation valve (8) cooperatively interact.
2. a kind of damper for automobiles according to claim 1, it is characterized in that: the top of described oil storage cylinder (15) is provided with oil sealing device (16), oil sealing device (16) covers the open-topped of oil storage cylinder (15) completely, guide holder (3) is provided with in oil sealing device (16), guide holder (3) is fixed on the open-topped place of clutch release slave cylinder (4), and piston rod (17) is through guide holder (3) and oil sealing device (16).
3. a kind of damper for automobiles according to claim 1, it is characterized in that: the bottom of described oil storage cylinder (15) is provided with sealing seat (9), sealing seat (9) can close the bottom end opening of oil storage cylinder (15) completely, the bottom of clutch release slave cylinder (4) is arranged in sealing seat (9), and lower connector (10) is connected with the bottom of sealing seat (9).
4. a kind of damper for automobiles according to claim 1, it is characterized in that: one end that described piston rod (17) is arranged on the cavity of oil storage cylinder (15) is fixed with connecting bolt (7), connecting bolt (7) is through piston (13), and the outer wall of connecting bolt (7) is sheathed with nut (6), piston (13) is arranged between nut (6) and piston rod (17), and connecting bolt (7) is arranged between rebound valve (14) and flowing valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510588520.3A CN105179555A (en) | 2015-11-04 | 2015-11-04 | Automotive vibration reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510588520.3A CN105179555A (en) | 2015-11-04 | 2015-11-04 | Automotive vibration reduction device |
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| Publication Number | Publication Date |
|---|---|
| CN105179555A true CN105179555A (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510588520.3A Pending CN105179555A (en) | 2015-11-04 | 2015-11-04 | Automotive vibration reduction device |
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| CN (1) | CN105179555A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173884A (en) * | 2020-02-24 | 2020-05-19 | 大连交通大学 | Vibration suppression device of heading machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201651150U (en) * | 2010-02-12 | 2010-11-24 | 北京科冠车辆新技术开发有限公司 | Hydraulic vibration absorber for high-speed railway vehicle |
| CN103557262A (en) * | 2013-10-12 | 2014-02-05 | 安徽工程大学 | Damping self-adjustment shock absorber |
| CN204961668U (en) * | 2015-09-16 | 2016-01-13 | 四川膨旭科技有限公司 | Vibration damper for car that can increase of service life |
-
2015
- 2015-11-04 CN CN201510588520.3A patent/CN105179555A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201651150U (en) * | 2010-02-12 | 2010-11-24 | 北京科冠车辆新技术开发有限公司 | Hydraulic vibration absorber for high-speed railway vehicle |
| CN103557262A (en) * | 2013-10-12 | 2014-02-05 | 安徽工程大学 | Damping self-adjustment shock absorber |
| CN204961668U (en) * | 2015-09-16 | 2016-01-13 | 四川膨旭科技有限公司 | Vibration damper for car that can increase of service life |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111173884A (en) * | 2020-02-24 | 2020-05-19 | 大连交通大学 | Vibration suppression device of heading machine |
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Application publication date: 20151223 |