CN111503208B - Mechanical self-adaptive shock absorber - Google Patents
Mechanical self-adaptive shock absorber Download PDFInfo
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- CN111503208B CN111503208B CN202010486923.8A CN202010486923A CN111503208B CN 111503208 B CN111503208 B CN 111503208B CN 202010486923 A CN202010486923 A CN 202010486923A CN 111503208 B CN111503208 B CN 111503208B
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- compression
- screw rod
- sleeved
- throttle valve
- valve plate
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- 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
- F16F9/3207—Constructional features
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a mechanical self-adaptive shock absorber which comprises a screw rod, wherein a rod body of the screw rod is sleeved with a spring gasket, the rod body of the screw rod is sleeved with the spring gasket, the rod body of the screw rod is sleeved with a spring, the rod body of the screw rod is sleeved with an acceleration sensing balancing weight, the rod body of the screw rod is sleeved with a compression valve plate, the rod body of the screw rod is sleeved with a compression throttle valve plate, and the rod body of the screw rod is sleeved with a compensation valve plate. This mechanical type self-adaptation shock absorber, when the vehicle is turning to, the vertical rate of motion of wheel is less, and shock absorber velocity of motion is low, and vertical acceleration is less, can not receive the pretightning force that comes from the spring with the compression valve block because of inertia compression spring through acceleration response balancing weight this moment, and compression throttle valve block and compression valve block are difficult for opening, have kept compression damping, improve the nature controlled. The automobile is suitable for automobiles.
Description
Technical Field
The invention relates to the technical field of automobile vibration reduction, in particular to a mechanical self-adaptive vibration reducer.
Background
Shock absorbers are a common term in the automotive chassis industry and are actually vibration dampers. Vibration dampers are used not only in suspension but also in other locations in motor vehicles. For example, the suspension system is used for a cab, a vehicle seat, a steering wheel and the like, and can also be used as a buffer for a vehicle bumper, the suspension system generates vibration due to the impact of an elastic element, in order to improve the running smoothness of the vehicle, a shock absorber is arranged in parallel with the elastic element in the suspension, and in order to attenuate the vibration, for example, the patent document published by the patent CN105109299A discloses a multi-condition vehicle electric control suspension system and a control method thereof, the system comprises a signal processing module, an electronic control module and a suspension adjusting and executing mechanism, wherein the signal processing module firstly collects, processes and analyzes a vehicle speed signal, a vehicle body state signal and the like, but the system has a complex structure and higher cost.
During the running process of the vehicle, due to the fact that the uneven road surface is large, and the bumpy road surface such as a deceleration strip is often generated, when the vehicle passes through the poor road surface, the problems of high impact, severe bumping and the like are caused, and the driver complains that the vehicle is extremely uncomfortable to ride. The damping force of the shock absorber is reduced, so that better comfort performance can be obtained, but the damping of the shock absorber is reduced, so that the control is insufficient, the side-tipping is faster, and the driving safety is reduced.
Disclosure of Invention
The invention aims to provide a mechanical self-adaptive shock absorber, which is used for solving the problem that a vehicle suspension cannot better give consideration to both vehicle maneuverability and comfort.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a mechanical type self-adaptation shock absorber, includes the screw rod, the body of rod of screw rod has cup jointed the spring shim, the body of rod of screw rod has cup jointed the spring, the body of rod of screw rod has cup jointed acceleration response balancing weight, the body of rod of screw rod has cup jointed the compression valve block, the body of rod of screw rod has cup jointed the compression throttle valve block, the body of rod of screw rod has cup jointed the bottom valve, the body of rod of screw rod has cup jointed the compensation throttle valve block, the body of rod of screw rod has cup jointed the compensation valve block, the top threaded connection of screw rod has the nut.
Preferably, the centers of the compensation valve plate, the compensation throttle valve plate, the bottom valve, the compression throttle valve plate, the compression valve plate, the acceleration sensing counterweight block and the spring gasket are provided with through holes, the size of each through hole is just suitable for a screw to pass through, and each part is sleeved on a rod body of the screw through the through hole.
Preferably, the top end of the rod body of the screw rod is provided with an external spiral thread, and the nut is in threaded connection with the top end of the rod body through the external spiral thread at the top end of the screw rod.
Preferably, the middle part fixedly connected with fixed block of spring shim, the shape of its fixed block is cylindrical, and the through-hole has been seted up at the middle part of fixed block, and the through-hole size is fit for the screw rod to pass through, and the diameter size of fixed block just in time can cup joint the spring, and the spring cup joints on the fixed block.
Preferably, the edge of the compression throttle valve plate is provided with grooves, the number of the grooves is 6, and the grooves are respectively arranged at the edge of the compression throttle valve at equal intervals by taking the center of the compression throttle valve as a circle center.
Preferably, the upper surface of the bottom valve is provided with through holes, the number of the through holes is 6, and the through holes are respectively arranged on the upper surface of the bottom valve at equal intervals by taking the center of the bottom valve as a circle center.
Preferably, the middle part of the compensation throttle valve plate is provided with an arc-shaped through hole, the edge of the compensation throttle valve plate is provided with through holes, the number of the through holes is 5, and the through holes are respectively arranged at the edge of the compensation throttle valve at equal intervals by taking the center of the compensation throttle valve as a circle center.
Preferably, the upper surface of the compensation valve plate is provided with through holes, the number of the through holes is 5, and the through holes are respectively arranged on the upper surfaces of the compensation valve plate pairs at equal intervals by taking the center of the compensation valve plate as a circle center.
Preferably, the upper surface of the bottom valve is provided with an annular groove.
Preferably, the lower end of the front surface of the bottom valve is provided with grooves, the number of the grooves is 4, and the grooves are respectively arranged on the edge of the bottom end of the bottom valve.
Compared with the prior art, the invention provides a mechanical self-adaptive shock absorber, which has the following beneficial effects:
(1) this mechanical type self-adaptation shock absorber sets up acceleration response balancing weight in the attenuator, sets up in the below of compression valve block through acceleration response balancing weight, the shock absorber receives the excitation back that comes from the road surface again, and shock absorber velocity of motion is very fast, and under the vertical acceleration of vibration is greater than the state of predetermineeing the threshold value, when the acceleration of wheel is upwards, acceleration response balancing weight is because inertial effect compression spring, and compression throttle valve block and compression valve block no longer receive the pretightning force that comes from the spring this moment, and compression throttle valve block and compression valve block are very easily opened, have reduced compression damping, have improved the travelling comfort. And when the wheel acceleration is downward, the acceleration response balancing weight compresses tightly compression throttle valve piece and compression valve piece, and increase damping force during the extension stroke of shock absorber has reduced wheel rebound velocity, further improves the travelling comfort of vehicle.
(2) This mechanical type self-adaptation shock absorber, when the vehicle is turning to, the vertical rate of motion of wheel is less, and shock absorber rate of motion is low, and vertical acceleration is less, can not receive the pretightning force from the spring because of inertia compression spring through acceleration response balancing weight, compression throttle valve block and compression valve block this moment, and compression throttle valve block and compression valve block are difficult for opening, have kept compression damping, improve the nature controlled.
Drawings
Fig. 1 is an exploded view of the structure of the present invention.
In the figure: the device comprises a nut 1, a compensation valve plate 2, a compensation throttle valve plate 3, a bottom valve 4, a compression throttle valve plate 5, a compression valve plate 6, an acceleration sensing balancing weight 7, a spring 8, a spring gasket 9 and a screw rod 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a mechanical self-adaptive shock absorber comprises a screw rod 10, a spring gasket 9 is sleeved on the rod body of the screw rod 10, the spring gasket 9 is used for protecting a spring 8, the spring 8 is prevented from being in direct contact with the screw rod, the service life of the spring 8 is prolonged, the spring gasket 9 is sleeved on the rod body of the screw rod 10, a fixed block is fixedly connected to the middle part of the spring gasket 9, the fixed block is cylindrical, a through hole is formed in the middle part of the fixed block, the size of the through hole is suitable for the screw rod 10 to pass through, the diameter of the fixed block just can be sleeved with the spring 8, the spring 8 is sleeved on the fixed block, the fixed block prevents the spring 8 from shaking left and right on the rod body of the screw rod 10, the spring 8 is sleeved on the rod body of the screw rod 10, the spring 8 is used when an automobile runs on a bumpy road surface, the spring 8 plays a damping role in, the body of rod of screw rod 10 has cup jointed compression throttle valve piece 5, and the edge of compression throttle valve piece 5 is seted up flutedly, and the quantity of its recess is 6, uses the center of compression throttle valve 5 to set up at the edge of compression throttle valve 5 as the centre of a circle equidistance respectively, and acceleration response balancing weight 7 sets up in the below of compression valve piece 5, the shock absorber receives the excitation back that comes from the road surface again, and shock absorber velocity of motion is very fast, and under the vertical acceleration of vibration is greater than the state of predetermineeing the threshold value, when the acceleration of wheel is upwards, acceleration response balancing weight 7 is because inertial effect compression spring 8, and compression throttle valve piece 5 and compression valve piece 6 no longer receive the pretightning force that comes from spring 8 this moment, and compression throttle valve piece 5 and compression valve piece 6 are very easily. When the acceleration of the wheel is downward, the acceleration sensing balancing weight 7 compresses the compression throttle valve plate 5 and the compression valve plate 6, the damping force is increased during the stretching stroke of the shock absorber, the rebound speed of the wheel is reduced, the comfort of the vehicle is further improved, when the vehicle is steered, the vertical movement speed of the wheel is lower, the movement speed of the shock absorber is low, the vertical acceleration is lower, the acceleration sensing balancing weight 7 cannot compress the spring 8 due to inertia, at the moment, the compression throttle valve plate 5 and the compression valve plate 6 receive the pretightening force from the spring 8, the compression throttle valve plate 5 and the compression valve plate 6 are not easy to open, the compression damping is maintained, the controllability is improved, the bottom valve 4 is sleeved on the rod body of the screw 10, through holes are formed in the upper surface of the bottom valve 4, the number of the through holes is 6, the through holes are respectively formed in the upper surface of the bottom valve 4 at equal intervals, the lower end of the front surface of the bottom valve 4 is provided with grooves, the number of the grooves is 4, the grooves are respectively arranged at the bottom end edge of the bottom valve 4, a screw rod 10 passes through the inside of the bottom valve 4, a compression valve plate 6 and a compression throttle valve plate 5 are sequentially arranged from bottom to top, the compression throttle valve plate 5 is arranged between the compression valve plate 6 and the inside of the bottom valve 4, a compensation throttle valve plate 3 is sleeved on a rod body of the screw rod 10, an arc-shaped through hole is arranged in the middle of the compensation throttle valve plate 3, the edge of the compensation throttle valve plate 3 is provided with through holes, the number of the through holes is 5, the through holes are respectively arranged at the edge of the compensation throttle valve 3 with the center of the compensation throttle valve 3 as a circle center at equal intervals, a compensation valve plate 2 is sleeved on the rod body of the screw rod 10, the number of the through holes is 5, the, the top end of the screw rod 10 is in threaded connection with a nut 1, the top end of the rod body of the screw rod 10 is provided with an external spiral thread, the nut 1 is in threaded connection with the top end of the rod body 10 through the external spiral thread at the top end of the screw rod 10, the compensating valve plate 2, the compensating throttle valve plate 3, the bottom valve 4, the compressing throttle valve plate 5, the compressing valve plate 6, the acceleration sensing counterweight 7 and the spring gasket 9 are provided with through holes in centers, the size of each through hole is just suitable for the screw rod 10 to pass through, each part is sleeved on the rod body of the screw rod 10 through the through hole, the opening degree of the compressing valve plate 6 is controlled through the acceleration sensing counterweight 7, the damping coefficient of the damper is automatically adjusted, the counterweight is displaced by utilizing the inertia force of vibration, the opening and closing of the compressing valve plate 6 are controlled, the damping coefficient of the damper is adjusted, and self-adaptive adjustment, when the motion speed of the shock absorber is low, the vertical acceleration is smaller than the set vertical acceleration value, the compression valve plate 6 of the self-adaptive shock absorber keeps closed, the damping of the shock absorber is kept, the control performance of the vehicle is guaranteed, and the running safety of the vehicle is improved.
In the actual operation process, when the vehicle goes, the inside acceleration response balancing weight 7 of shock absorber sets up in the below of compression valve block 5, after the shock absorber receives the excitation from the road surface again, shock absorber velocity of motion is very fast, under the state that the vertical acceleration of vibration is greater than preset threshold value, when the acceleration of wheel is upwards, acceleration response balancing weight 7 is because inertial effect compression spring 8, compression throttle valve block 5 and compression valve block 6 no longer receive the pretightning force that comes from spring 8 this moment, compression throttle valve block 5 and compression valve block 6 are very easily opened, the compression damping has been reduced, the travelling comfort has been improved. And when the acceleration of the wheel is downward, acceleration response balancing weight 7 compresses tightly compression throttle valve piece 5 and compression valve piece 6, increases damping force during the tensile stroke of shock absorber, has reduced wheel rebound velocity, further improves the travelling comfort of vehicle, and when the vehicle was turning to, the vertical rate of motion of wheel was less, shock absorber velocity of motion is low, and vertical acceleration is less, and both vertical acceleration is less than and sets for vertical acceleration value, and acceleration response balancing weight 7 can't be because of inertia compression spring 8, and compression throttle valve piece 5 and compression valve piece 6 receive the pretightning force that comes from spring 8 this moment, and compression throttle valve piece 5 and compression valve piece 6 are difficult to be opened, have kept compression damping, improve the nature controlled, make the vehicle travel in-process safer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A mechanical adaptive shock absorber, comprising a screw (10), characterized in that: the rod body of the screw rod (10) is sleeved with a spring gasket (9), the rod body of the screw rod (10) is sleeved with the spring gasket (9), the rod body of the screw rod (10) is sleeved with a spring (8), the rod body of the screw rod (10) is sleeved with an acceleration sensing counterweight block (7), the rod body of the screw rod (10) is sleeved with a compression valve block (6), the rod body of the screw rod (10) is sleeved with a compression throttle valve block (5), the rod body of the screw rod (10) is sleeved with a bottom valve (4), the rod body of the screw rod (10) is sleeved with a compensation throttle valve block (3), the rod body of the screw rod (10) is sleeved with a compensation valve block (2), and the top end of the screw rod (10) is in threaded; the center of the compensation valve plate (2), the compensation throttle valve plate (3), the bottom valve (4), the compression throttle valve plate (5), the compression valve plate (6), the acceleration sensing counterweight (7) and the spring gasket (9) is provided with a through hole, the size of the through hole is just suitable for the screw rod (10) to pass through, and each part is sleeved on the rod body of the screw rod (10) through the through hole; the top end of the rod body of the screw rod (10) is provided with an external spiral thread, and the nut (1) is in threaded connection with the top end of the rod body through the external spiral thread at the top end of the screw rod (10); set up acceleration response balancing weight (7) in the attenuator, set up in the below of compression valve block (6) through acceleration response balancing weight (7), acceleration when the wheel is ascending, acceleration response balancing weight (7) are because inertial effect compression spring (8), compression throttle valve block (5) and compression valve block (6) no longer receive the pretightning force that comes from spring (8) this moment, compression throttle valve block (5) and compression valve block (6) are very easily opened, when wheel acceleration is downward, acceleration response balancing weight (7) compress tightly compression throttle valve block (5) and compression valve block (6), the extension stroke increase damping force of shock absorber, the wheel rebound speed has been reduced.
2. The mechanical adaptive shock absorber according to claim 1, wherein: the middle part fixedly connected with fixed block of spring gasket (9), the shape of its fixed block is cylindrical, and the through-hole has been seted up at the middle part of fixed block, and the through-hole size is fit for screw rod (10) to pass through, and the diameter size of fixed block just in time can cup joint spring (8), and spring (8) cup joint on the fixed block.
3. The mechanical adaptive shock absorber according to claim 1, wherein: the edge of the compression throttle valve plate (5) is provided with grooves, the number of the grooves is 6, and the grooves are respectively arranged at the edge of the compression throttle valve plate (5) at equal intervals by taking the center of the compression throttle valve plate (5) as a circle center.
4. The mechanical adaptive shock absorber according to claim 1, wherein: the upper surface of the bottom valve (4) is provided with through holes, the number of the through holes is 6, and the through holes are respectively arranged on the upper surface of the bottom valve (4) at equal intervals by taking the center of the bottom valve (4) as a circle center.
5. The mechanical adaptive shock absorber according to claim 1, wherein: the middle part of the compensation throttle valve plate (3) is provided with an arc-shaped through hole, the edge of the compensation throttle valve plate (3) is provided with through holes, the number of the through holes is 5, and the through holes are respectively arranged at the edge of the compensation throttle valve plate (3) at equal intervals by taking the center of the compensation throttle valve plate (3) as a circle center.
6. The mechanical adaptive shock absorber according to claim 1, wherein: the upper surface of the compensation valve plate (2) is provided with through holes, the number of the through holes is 5, and the through holes are respectively arranged on the upper surfaces of the compensation valve plate pairs at equal intervals by taking the center of the compensation valve plate (2) as a circle center.
7. The mechanical adaptive shock absorber according to claim 1, wherein: and an annular groove is formed in the upper surface of the bottom valve (4).
8. The mechanical adaptive shock absorber according to claim 1, wherein: the lower end of the front side of the bottom valve (4) is provided with grooves, the number of the grooves is 4, and the grooves are respectively arranged on the bottom edge of the bottom valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010486923.8A CN111503208B (en) | 2020-06-01 | 2020-06-01 | Mechanical self-adaptive shock absorber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010486923.8A CN111503208B (en) | 2020-06-01 | 2020-06-01 | Mechanical self-adaptive shock absorber |
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| Publication Number | Publication Date |
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| CN111503208A CN111503208A (en) | 2020-08-07 |
| CN111503208B true CN111503208B (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010486923.8A Active CN111503208B (en) | 2020-06-01 | 2020-06-01 | Mechanical self-adaptive shock absorber |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202048130U (en) * | 2011-04-29 | 2011-11-23 | 芜湖艾科汽车技术有限公司 | Compression valve of shock absorber |
| CN103089899A (en) * | 2011-11-01 | 2013-05-08 | 成都红美金属制品有限公司 | Bottom valve used for sealing working cylinder in damper |
| CN203656026U (en) * | 2013-11-14 | 2014-06-18 | 浙江金波减震器制造有限公司 | Shock absorber bottom valve assembly |
| CN204852492U (en) * | 2015-08-20 | 2015-12-09 | 浙江天雁控股有限公司 | Adopt bottom valve device of split type valve clack structure |
| US10302169B2 (en) * | 2015-07-02 | 2019-05-28 | Volkswagen Aktiengesellschaft | Hydraulic vibration damper |
| CN210164956U (en) * | 2019-04-12 | 2020-03-20 | 芜湖市金贸流体科技股份有限公司 | High-efficient bottom valve structure |
-
2020
- 2020-06-01 CN CN202010486923.8A patent/CN111503208B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202048130U (en) * | 2011-04-29 | 2011-11-23 | 芜湖艾科汽车技术有限公司 | Compression valve of shock absorber |
| CN103089899A (en) * | 2011-11-01 | 2013-05-08 | 成都红美金属制品有限公司 | Bottom valve used for sealing working cylinder in damper |
| CN203656026U (en) * | 2013-11-14 | 2014-06-18 | 浙江金波减震器制造有限公司 | Shock absorber bottom valve assembly |
| US10302169B2 (en) * | 2015-07-02 | 2019-05-28 | Volkswagen Aktiengesellschaft | Hydraulic vibration damper |
| CN204852492U (en) * | 2015-08-20 | 2015-12-09 | 浙江天雁控股有限公司 | Adopt bottom valve device of split type valve clack structure |
| CN210164956U (en) * | 2019-04-12 | 2020-03-20 | 芜湖市金贸流体科技股份有限公司 | High-efficient bottom valve structure |
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| CN111503208A (en) | 2020-08-07 |
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