CN116221332A - Cylinder type shock absorber for automotive suspension - Google Patents
Cylinder type shock absorber for automotive suspension Download PDFInfo
- Publication number
- CN116221332A CN116221332A CN202310398739.1A CN202310398739A CN116221332A CN 116221332 A CN116221332 A CN 116221332A CN 202310398739 A CN202310398739 A CN 202310398739A CN 116221332 A CN116221332 A CN 116221332A
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- Prior art keywords
- cylinder
- fixedly connected
- sealing
- side wall
- plate
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- 230000035939 shock Effects 0.000 title claims abstract description 37
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 32
- 239000000725 suspension Substances 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 76
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 70
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000013016 damping Methods 0.000 claims abstract description 48
- 239000003921 oil Substances 0.000 claims description 43
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 230000001502 supplementing effect Effects 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 11
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000009172 bursting Effects 0.000 abstract description 2
- 239000006260 foam Substances 0.000 description 14
- 230000003139 buffering effect Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
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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
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
- F16F13/005—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper
- F16F13/007—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs comprising both a wound spring and a damper, e.g. a friction damper the damper being a fluid damper
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/047—Preventing foaming, churning or cavitation
-
- 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
- F16F9/06—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using both gas and liquid
- F16F9/062—Bi-tubular units
-
- 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
-
- 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
- F16F9/3235—Constructional features of cylinders
- F16F9/3257—Constructional features of cylinders in twin-tube type devices
-
- 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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- 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
- F16F9/42—Cooling arrangements
-
- 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
- F16F9/56—Means for adjusting the length of, or for locking, the spring or damper, e.g. at the end of the stroke
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The invention discloses a cylinder type shock absorber for an automobile suspension, which relates to the technical field of automobile shock absorption and comprises a top cover mechanism and an outer cylinder mechanism, wherein the outer cylinder mechanism comprises a sealed outer cylinder, the top cover mechanism comprises a top cover plate, and an iron core is fixedly connected to the center position of the bottom surface of the top cover plate. According to the invention, iron powder is added into hydraulic oil, a coil is arranged on the outer side of a sealing outer cylinder, a push rod of the hydraulic oil is an iron core, the iron core reciprocates in the sealing inner cylinder during vibration, and the iron core drives the iron powder to sink in the hydraulic oil when the length of the iron core extending into the sealing outer cylinder is greater than a threshold value; when the length of the iron core extending into the sealing outer cylinder is smaller than a threshold value, iron powder is driven to float upwards in the hydraulic oil, in the continuous damping effect, the iron powder continuously moves in the hydraulic oil and impacts small bubbles in the hydraulic oil, the small bubbles in the hydraulic oil are eliminated, the problem that the small bubbles form large bubbles and the inner wall of the sealing inner cylinder is damaged due to bubble bursting is avoided, and the problem of cavitation of the hydraulic oil is solved.
Description
Technical Field
The invention relates to the technical field of automobile shock absorption, in particular to a cylinder type shock absorber for an automobile suspension.
Background
In order to quickly attenuate the vibration of a frame and a vehicle body and improve the smoothness and the comfort of the running of the vehicle, a shock absorber is generally arranged on an automobile suspension system, a bidirectional cylinder type shock absorber is widely adopted on the vehicle, the shock absorber is a vulnerable part in the using process of the vehicle, and the working quality of the shock absorber can directly influence the running stability of the vehicle and the service lives of other parts. The double-cylinder type shock absorber is also called as a double-cylinder type shock absorber, namely, a cylinder is added in a single cylinder type, the cylinder in the double-cylinder type shock absorber is a space where a piston works, and the outer cylinder body is a buffer space where damping oil in the inner cylinder body can move outwards.
In the prior art, for example, the Chinese patent application number is: the cylinder type shock absorber for the automotive suspension comprises a cylinder body filled with a hydraulic medium, wherein a first piston mechanism and a second piston mechanism are respectively arranged at two ends of the cylinder body and used for buffering and shock absorbing two adjacent suspensions. According to the invention, the first piston and the second piston move in the cylinder body and drive the hydraulic medium to flow into or flow out of the shell in a reciprocating way through the through holes, at the moment, the arc-shaped parts buffer and flow resistance the hydraulic medium flowing into the shell, the contact area between the arc-shaped parts and the hydraulic medium is increased, and meanwhile, when the hydraulic medium in the shell flows back into the cylinder body, the outer arcs of the arc-shaped parts flow resistance the hydraulic medium, and the first elastic part slows down the movement of the arc-shaped parts, so that the flow of the hydraulic medium in the cylinder body is effectively slowed down, and the buffering and damping effects are realized.
However, in the prior art, when the shock absorber is in an extension stroke, hydraulic oil is sucked into a lower chamber of a piston from an oil chamber under low pressure, vortex vacuum is easily generated, foam is generated when the hydraulic oil is dissolved into the oil, the surface tension of the hydraulic oil is increased due to the temperature rise, so that foam generation is increased, the foam bursts under the action of high pressure, and high-temperature and high-pressure gas is rapidly acted on the surface of a metal part, so that the surface of the metal part is oxidized and peeled off or a spongy small cavity appears, the phenomenon is called cavitation, the service life of a shock absorption cylinder is influenced due to the generation of cavitation, and if the problem that the shock absorber leaks oil and the normal use of the cylinder shock absorber is influenced is solved in time.
Disclosure of Invention
The invention aims to provide a cylinder type shock absorber for an automotive suspension, which aims to solve the problems that when the shock absorber is in an extension stroke, hydraulic oil is sucked into a piston lower chamber from an oil chamber under low air pressure to easily generate vortex vacuum, foam is generated when the hydraulic oil is dissolved into the oil, the surface tension of the hydraulic oil is increased, so that the foam generation is increased, the foam is burst under the action of high pressure, high-temperature and high-pressure air is rapidly acted on the surface of a metal part, the surface of the metal part is oxidized and peeled off or spongy small cavities appear, the phenomenon is called cavitation, and the service life of the shock absorber cylinder is influenced by the cavitation, and if the problem that the shock absorber leaks oil and the normal use of the cylinder type shock absorber is influenced is not timely solved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the cylinder type shock absorber for the automotive suspension comprises a top cover mechanism and an outer cylinder mechanism, wherein the outer cylinder mechanism comprises a sealed outer cylinder, the top cover mechanism comprises a top cover plate, an iron core is fixedly connected to the center position of the bottom surface of the top cover plate, an inner cylinder mechanism is arranged in the sealed outer cylinder, the inner cylinder mechanism comprises a sealed inner cylinder, and the inner side wall of the sealed inner cylinder is slidably connected with a damping plate;
the bottom end of the iron core penetrates through the top wall of the sealing outer cylinder and is fixedly connected with the top surface of the damping plate, the bottom wall of the sealing inner cylinder is fixedly connected with an oil passing plate, the oil passing plate and the inner side wall of the damping plate are fixedly embedded with one-way valves, the oil passing plate and the inner side wall of the damping plate are fixedly embedded with damping valves, an oil storage cylinder is arranged below the sealing outer cylinder, and the bottom end of the oil storage cylinder is fixedly connected with a bottom cover plate;
the hydraulic oil is arranged in the sealing inner cylinder, nitrogen is arranged in the sealing outer cylinder, iron powder is added in the sealing inner cylinder, a buffer mechanism is arranged on the outer side of the sealing outer cylinder, the buffer mechanism comprises two ring sealing sheets, buffer springs are fixedly connected between the inner sides and the outer sides of the two ring sealing sheets, a coil is arranged between the two buffer springs, and two ends of the coil penetrate through the side wall of the buffer springs and extend to the outer side of the sealing outer cylinder;
the sealing outer cylinder is fixedly connected with a threaded cylinder between the oil storage cylinders, an adjusting mechanism is arranged on the outer side of the threaded cylinder, the adjusting mechanism comprises a lifting assembly, the lifting assembly comprises a rotating ring, the bottom end of a buffer spring is fixedly connected with the top surface of the rotating ring, the top end of the buffer spring is fixedly connected with the bottom surface of a top cover plate, a second bevel gear is rotationally connected with the bottom surface of the rotating ring, the inner side wall of the second bevel gear is in threaded connection with the outer side wall of the threaded cylinder, and the inner side wall of the rotating ring is in sliding connection with the outer side wall of the threaded cylinder.
Preferably, the top surface fixedly connected with first rings of lamina tecti, the bottom surface fixedly connected with second rings of end apron.
Preferably, a heat radiation fin ring is fixedly connected between the inner side wall of the sealing outer cylinder and the inner side wall of the sealing inner cylinder, a sealing ring is fixedly connected to the top end of the sealing inner cylinder, and a round platform sealing plate is fixedly connected between the sealing outer cylinder and the sealing ring.
Preferably, the inner side wall of the oil storage cylinder is fixedly connected with a cooling cylinder, and the center position of the cooling cylinder is sunken downwards to form a cavity.
Preferably, the filter screen is fixedly embedded in the side wall of the oil storage cylinder, the water supplementing bent pipe is fixedly connected with the outer side wall of the oil storage cylinder, and the top end of the water supplementing bent pipe is in threaded connection with the spiral cover.
Preferably, the lateral wall fixedly connected with second connecting plate of swivel becket, the bottom of second connecting plate is provided with rotating assembly, the top of second connecting plate rotates and is connected with the second torsional spring, the one end fixedly connected with rotor plate of second torsional spring, the lateral wall of second torsional spring is provided with the fourth axis of rotation.
Preferably, one end of the fourth rotating shaft is fixedly connected with the rotating plate, the other end of the fourth rotating shaft is fixedly connected with the second connecting plate, the bottom end of the rotating plate is rotationally connected with the third rotating shaft, and the outer side wall of the third rotating shaft is rotationally connected with the third driving wheel.
Preferably, the rotating assembly comprises a first bevel gear, a second rotating shaft is fixedly connected to the center of the side wall of the first bevel gear, a second driving wheel is fixedly connected to the outer side wall of the second rotating shaft, and a first torsion spring is arranged on the outer side wall of the second rotating shaft.
Preferably, one end of the first torsion spring is fixedly connected with the side wall of the second connecting plate, the other end of the first torsion spring is fixedly connected with the side wall of the second connecting plate, a driving assembly is arranged below the bottom end of the rotating assembly and comprises a first connecting plate, the bottom end of the first connecting plate is fixedly connected with the side wall of the bottom cover plate, and the top end of the first connecting plate is rotationally connected with a first rotating shaft.
Preferably, the outer side wall of the first rotating shaft is fixedly connected with a first driving wheel, one end of the first rotating shaft is fixedly connected with a rotating fan blade, a driving belt is in driving connection between the first driving wheel and the second driving wheel, and the inner side wall of the driving belt is in driving connection with the outer side wall of the third driving wheel.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, iron powder is added into hydraulic oil, a coil is arranged on the outer side of a sealed outer cylinder, a push rod of the hydraulic oil is an iron core, the iron core reciprocates in the sealed inner cylinder during vibration, and when the length of the iron core extending into the sealed outer cylinder is greater than a threshold value, the magnetic force of the coil on the iron powder is smaller than other acting forces, and the iron powder sinks in the hydraulic oil; when the length of the iron core extending into the sealed outer cylinder is smaller than a threshold value, the magnetic force of the coil on the iron powder is larger than other acting forces, the iron powder floats upwards in the hydraulic oil, in the continuous damping effect, the iron powder continuously moves in the hydraulic oil and impacts small bubbles in the hydraulic oil, the small bubbles in the hydraulic oil are eliminated, the problem that the small bubbles form large bubbles and the inner wall of the sealed inner cylinder is damaged due to bubble bursting is avoided, and the problem of cavitation of the hydraulic oil is solved.
2. According to the invention, the oil storage cylinder is arranged below the sealed outer cylinder, the oil storage cylinder with the downward concave cavity is arranged in the oil storage cylinder, and the cooling water is added to the outer side of the oil storage cylinder, so that the cooling water continuously cools the hydraulic oil through the water bath, the tension of the hydraulic oil is reduced, the condition for generating bubbles is further limited, and cavitation of the hydraulic oil is avoided.
3. According to the invention, the rotary fan blades are driven to rotate after the cooling water is heated and gasified, the rotary fan blades drive the first driving wheels to rotate, the first driving wheels drive the second driving wheels to rotate through the driving belt, so that the second driving wheels drive the second rotating shafts to rotate, the second rotating shafts drive the first bevel gears to rotate, the first bevel gears drive the second bevel gears to rotate, the second bevel gears adjust the height outside the threaded cylinder, the elastic coefficient of the buffer spring is reduced, the buffer effect of the buffer mechanism on the top cover plate is reduced, the travel of the iron core in the sealed outer cylinder is increased, the magnetic force variation range generated by the coil is increased, the speed of the iron powder to puncture foam is increased, the occurrence amount of foam is further reduced, and the effect of protecting the hydraulic oil from cavitation is improved.
Drawings
FIG. 1 is a schematic view showing the overall structure of a cylinder type shock absorber for an automotive suspension according to the present invention;
FIG. 2 is a side cross-sectional view of a cartridge shock absorber for an automotive suspension according to the present invention;
FIG. 3 is a schematic perspective view of a cylinder shock absorber for an automotive suspension according to the present invention;
FIG. 4 is a schematic view showing the structure of an adjusting mechanism of a cylinder type shock absorber for an automotive suspension according to the present invention;
FIG. 5 is a schematic semi-sectional view of a damping mechanism of a cylinder shock absorber for an automotive suspension according to the present invention;
FIG. 6 is a schematic view of an inner cylinder mechanism of a cylinder type shock absorber for an automotive suspension according to the present invention;
FIG. 7 is a diagram showing the rebound condition of the top cover plate of the cylinder type shock absorber for an automotive suspension according to the present invention;
fig. 8 is an enlarged view of the partial structure at a in fig. 1.
In the figure:
1. a first hanging ring; 2. a top cover mechanism; 21. a top cover plate; 22. an iron core;
3. a buffer mechanism; 31. a buffer spring; 32. a coil; 33. a ring sealing piece; 4. a bottom cover plate; 41. the second hanging ring;
5. an outer cylinder mechanism; 51. sealing the outer cylinder; 52. a thread cylinder; 53. an oil storage cylinder; 54. a filter screen; 55. a water supplementing bent pipe; 56. screwing the cover; 57. a cooling cylinder;
6. an inner cylinder mechanism; 61. sealing the inner cylinder; 62. a seal ring; 63. a heat sink fin ring; 64. an oil-passing plate; 65. a damping plate; 66. round table sealing plates;
7. an adjusting mechanism; 71. a drive assembly; 711. a first connection plate; 712. a first rotation shaft; 713. rotating the fan blades; 714. a first driving wheel;
72. a rotating assembly; 721. a first helical gear; 722. a second rotation shaft; 723. a second driving wheel; 724. a first torsion spring;
73. a lifting assembly; 731. a rotating ring; 732. a second helical gear; 733. a second connecting plate; 734. a rotating plate; 735. a third driving wheel; 736. a third rotation shaft; 737. a second torsion spring; 738. a fourth rotation shaft;
74. a transmission belt; 8. a one-way valve; 9. a damping valve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is evident that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-8: the utility model provides a cylinder shock absorber for automotive suspension, including top cap mechanism 2 and outer tube mechanism 5, outer tube mechanism 5 includes sealed urceolus 51, top cap mechanism 2 includes top cover plate 21, the bottom surface central point department of top cover plate 21 fixedly connected with iron core 22, the inside of sealed urceolus 51 is provided with inner tube mechanism 6, inner tube mechanism 6 includes sealed inner tube 61, the inside wall sliding connection of sealed inner tube 61 has damping plate 65, double-cylinder shock absorber includes sealed urceolus 51 and sealed inner tube 61, the inside of sealed inner tube 61 stores hydraulic oil, interconnect between first rings 1 and the frame, interconnect between second rings 41 and the axle, when producing vibrations, iron core 22 drives damping plate 65 in sealed inner tube 61 reciprocating motion, make the inside hydraulic oil of sealed inner tube 61 reciprocate through damping plate 65 advances oil and goes out, energy that damping plate 65 produced, realize the effect of shock attenuation;
the bottom of iron core 22 runs through the roof of sealed urceolus 51 and with damping plate 65 top surface fixed connection, the diapire fixedly connected with of sealed inner tube 61 leads to oily board 64, the inside wall of leading to oily board 64 and damping plate 65 all is fixed to be embedded with check valve 8, the inside wall of leading to oily board 64 and damping plate 65 all is fixed to be embedded with damping valve 9, the below of sealed urceolus 51 is provided with oil storage cylinder 53, the bottom fixedly connected with bottom board 4 of oil storage cylinder 53, the inside of sealed urceolus 51 fills nitrogen gas, the inside of sealed inner tube 61 fills hydraulic oil, the leading to of check valve 8 on leading to oily board 64 and the damping plate 65 is from top to bottom, the leading to of damping valve 9 on leading to oily board 64 and the damping plate 65 is from bottom to top, when top cover plate 21 compresses to the bottom, the lower extreme of sealed urceolus 51 is located oil storage cylinder 53 position department, damping plate 65 lower space produces the compression, the space is passed through check valve 8 and is passed through oil storage cylinder 53 position, nitrogen gas hydraulic oil liquid level on sealed urceolus 51 rises, nitrogen gas hydraulic oil pressure increases, hydraulic oil pressure, partial hydraulic oil passes through the upper space of valve 65 fills the damping valve 9, and absorbs kinetic energy.
In the process of compressing the top cover plate 21 to rebound, more and more space hydraulic oil is filled on the damping plate 65, more and more space hydraulic oil is filled under the damping plate 65, the liquid level of nitrogen hydraulic oil on the sealing outer cylinder 51 is lowered, fig. 7 is a state diagram of the hydraulic oil and nitrogen in rebound of the top cover plate 21, the space hydraulic oil on the damping plate 65 is filled in the space under the damping plate 65 through the one-way valve 8, and the hydraulic oil outside the oil storage cylinder 53 is filled in the space under the damping plate 65 through the damping valve 9 and absorbs vibration energy.
Example two
Referring to fig. 1, 2, 3 and 5, hydraulic oil is provided in the inner sealing cylinder 61, nitrogen is provided in the outer sealing cylinder 51, iron powder is added in the inner sealing cylinder 61, a buffer mechanism 3 is provided on the outer sealing cylinder 51, the buffer mechanism 3 comprises two ring sealing sheets 33, buffer springs 31 are fixedly connected between the inner sides and the outer sides of the two ring sealing sheets 33, a coil 32 is provided between the two buffer springs 31, and two ends of the coil 32 penetrate through the side walls of the buffer springs 31 and extend to the outer side of the outer sealing cylinder 51, and the buffer mechanism 3 is arranged in the ring sealing sheets 33.
The buffer mechanism 3 plays a role in buffering the stamping of the top cover plate 21 to the bottom cover plate 4, the coil 32 is arranged between the two buffer springs 31, two ends of the coil 32 extend to the outer side and are communicated with a power supply, and the coil 32 generates magnetic force after current is introduced into the coil 32, so that an electromagnet is generated between the coil 32 and the iron core 22, and the magnetic force of the electromagnet is related to the number of turns of the coil 32, the current and the effective length of the iron core 22 inserted into the coil 32.
The larger the effective length of the coil 32 inserted into the top cover mechanism 2 is, the larger the magnetic force generated by the coil 32 is, the iron powder is mixed in the hydraulic oil, the iron powder is subjected to the action of self gravity, buoyancy of the hydraulic oil on the iron powder and the magnetic force of the coil 32, the gravity and the buoyancy are fixed, the total acting force is downward, the iron core 22 is reciprocally extended into the sealed outer cylinder 51, the effective length of the iron core 22 exposed to the coil 32 is continuously changed, when the length of the iron core 22 extending into the sealed outer cylinder 51 is larger than a threshold value, the magnetic force of the coil 32 on the iron powder is smaller than other acting forces, and the iron powder sinks in the hydraulic oil;
when the length of the iron core 22 extending into the sealing outer cylinder 51 is smaller than the threshold value, the magnetic force of the coil 32 on the iron powder is larger than other acting forces, the iron powder floats upwards in the hydraulic oil, and in the continuous damping effect, the iron powder continuously moves in the hydraulic oil and impacts bubbles in the hydraulic oil, so that the bubbles in the hydraulic oil are eliminated, the problem that the bubbles burst to damage the inner wall of the sealing inner cylinder 61 is avoided, and the problem of cavitation of the hydraulic oil is solved.
Example III
Referring to fig. 2, fig. 4, fig. 5 and fig. 8, a threaded cylinder 52 is fixedly connected between the sealing outer cylinder 51 and the oil storage cylinder 53, an adjusting mechanism 7 is arranged at the outer side of the threaded cylinder 52, the adjusting mechanism 7 comprises a lifting component 73, the lifting component 73 comprises a rotating ring 731, the bottom end of a buffer spring 31 is fixedly connected with the top surface of the rotating ring 731, the top end of the buffer spring 31 is fixedly connected with the bottom surface of a top cover plate 21, a second bevel gear 732 is rotatably connected with the bottom surface of the rotating ring 731, the inner side wall of the second bevel gear 732 is in threaded connection with the outer side wall of the threaded cylinder 52, the inner side wall of the rotating ring 731 is in sliding connection with the outer side wall of the threaded cylinder 52, the vibration amplitude on different road surfaces is different, the heat absorbed by hydraulic oil is different, the higher the heat of the hydraulic oil is, the larger the tension of the hydraulic oil is, the larger the foam is generated, the elastic coefficient of the buffer spring 31 is reduced, the buffer effect of the buffer mechanism 3 on the top cover plate 21 is reduced, the inner movement of the iron core 22 in the sealing outer cylinder 51 is increased, the magnetic force range of the sealing outer cylinder, the inner cylinder is increased, the magnetic force generated, the foam is generated, the foam generated, and the air-blast effect is further is reduced.
As shown in fig. 1, 2, 3 and 7, the top surface of the top cover plate 21 is fixedly connected with a first hanging ring 1, and the bottom surface of the bottom cover plate 4 is fixedly connected with a second hanging ring 41. A heat radiation fin ring 63 is fixedly connected between the inner side wall of the sealing outer cylinder 51 and the inner side wall of the sealing inner cylinder 61, a sealing ring 62 is fixedly connected to the top end of the sealing inner cylinder 61, and a round platform sealing plate 66 is fixedly connected between the sealing outer cylinder 51 and the sealing ring 62. The inner side wall of the oil storage barrel 53 is fixedly connected with a cooling barrel 57, and the center position of the cooling barrel 57 is sunken downwards to form a cavity. The filter screen 54 is fixedly embedded in the side wall of the oil storage barrel 53, the water supplementing bent pipe 55 is fixedly connected to the outer side wall of the oil storage barrel 53, the screw cap 56 is connected to the top end of the water supplementing bent pipe 55, hydraulic oil below the liquid level of the sealing outer barrel 51 is stored in the cooling barrel 57 when the hydraulic oil cooling barrel is used, water is added into the lower side of the cooling barrel 57 through the water supplementing bent pipe 55 due to vibration reduction, the cooling barrel 57 is cooled through a water area, and the gasification rate of the water is accelerated, so that air flow is generated on one side of the filter screen 54.
According to the embodiments shown in fig. 1, 2, 4 and 8, the side wall of the rotating ring 731 is fixedly connected with a second connecting plate 733, the bottom end of the second connecting plate 733 is provided with a rotating assembly 72, the top end of the second connecting plate 733 is rotatably connected with a second torsion spring 737, one end of the second torsion spring 737 is fixedly connected with a rotating plate 734, and the outer side wall of the second torsion spring 737 is provided with a fourth rotating shaft 738. One end of the fourth rotating shaft 738 is fixedly connected with the rotating plate 734, the other end of the fourth rotating shaft 738 is fixedly connected with the second connecting plate 733, the bottom end of the rotating plate 734 is rotatably connected with the third rotating shaft 736, and the outer side wall of the third rotating shaft 736 is rotatably connected with the third driving wheel 735. The rotating assembly 72 comprises a first helical gear 721, a second rotating shaft 722 is fixedly connected to the center position of the side wall of the first helical gear 721, a second driving wheel 723 is fixedly connected to the outer side wall of the second rotating shaft 722, a first torsion spring 724 is arranged on the outer side wall of the second rotating shaft 722, the first helical gear 721 is stably connected with a rotating ring 731 through a rotating plate 734, and the first helical gear 721 rotates to drive the second helical gear 732 to rotate, so that the effect of adjusting the height position of the rotating ring 731 is achieved.
The height of the rotating ring 731 is adjusted, the height of the rotating ring 731 is changed with the height of the driving assembly 71 below, the second driving wheel 723 is connected with the first driving wheel 714 through the driving belt 74, the driving belt 74 is movably connected through the third driving wheel 735, so that the driving belt 74 is always kept tight, when the rotating ring 731 is far away from the driving assembly 71, the tension of the driving belt 74 on the third driving wheel 735 is increased, and the third driving wheel 735 drives the third driving wheel 735 to rotate in the vertical direction, so that the driving belt 74 is always attached to the surfaces of the second driving wheel 723 and the first driving wheel 714.
According to fig. 1, 2, 4 and 8, one end of the first torsion spring 724 is fixedly connected with the side wall of the second connection plate 733, the other end of the first torsion spring 724 is fixedly connected with the side wall of the second connection plate 733, the driving assembly 71 is arranged below the bottom end of the rotating assembly 72, the driving assembly 71 comprises a first connection plate 711, the bottom end of the first connection plate 711 is fixedly connected with the side wall of the bottom cover plate 4, and the top end of the first connection plate 711 is rotatably connected with the first rotating shaft 712. The outer side wall of the first rotating shaft 712 is fixedly connected with a first driving wheel 714, one end of the first rotating shaft 712 is fixedly connected with a rotating fan blade 713, a driving belt 74 is in driving connection between the first driving wheel 714 and the second driving wheel 723, the inner side wall of the driving belt 74 is in driving connection with the outer side wall of a third driving wheel 735, air flow outside a filter screen 54 drives the rotating fan blade 713 to rotate, so that the rotating fan blade 713 drives the first driving wheel 714 to rotate, the first driving wheel 714 drives the second driving wheel 723 to rotate, the second driving wheel 723 drives the second rotating shaft 722 to rotate, the second rotating shaft 722 drives the first bevel gear 721 to rotate, when the temperature of hydraulic oil is too high, the height of a rotating ring 731 is adjusted downwards, the buffering stroke of an iron core 22 is increased, therefore the foam breaking effect of iron powder is increased, a first torsion spring 724 is arranged between the first bevel gear 721 and a second connecting plate 733, when the temperature of hydraulic oil is too low, the transmitted energy is insufficient to overcome the torsion of the first torsion spring 724, the first torsion spring 724 is driven to rotate reversely, the ring 731 is rotated, the height is increased, the buffering effect of the ring sealing piece 33 is increased, and the whole buffering effect is increased, and the whole buffering stability of the shock absorber is increased.
The application method and the working principle of the device are as follows: during vibration, the top cover plate 21 is firstly compressed downwards, hydraulic oil is arranged at the position of the oil storage cylinder 53 at the lower end of the sealing outer cylinder 51, hydraulic oil in the space below the damping plate 65 is compressed, the hydraulic oil in the space below the damping plate 65 is introduced into the position of the oil storage cylinder 53 through the one-way valve 8, the liquid level of nitrogen hydraulic oil on the sealing outer cylinder 51 rises, the pressure of nitrogen to the hydraulic oil is increased, and part of hydraulic oil is filled into the space above the damping plate 65 through the damping valve 9 and absorbs vibration energy;
meanwhile, the top cover plate 21 drives the iron core 22 to extend into the sealed outer cylinder 51, the coil 32 outside the sealed outer cylinder 51 is communicated with a power supply, the length of the iron core 22 inserted into the sealed outer cylinder 51 is increased, and the magnetic force generated by the coil 32 is reduced, so that hydraulic oil iron powder moves downwards to puncture foam;
then, in the process of compressing the top cover plate 21 to rebound, more and more space hydraulic oil is filled on the damping plate 65, more and more space hydraulic oil is filled under the damping plate 65, and the liquid level of nitrogen hydraulic oil on the sealing outer cylinder 51 is lowered;
finally, the top cover plate 21 rebounds to the top, the space hydraulic oil on the damping plate 65 is filled into the space below the damping plate 65 through the one-way valve 8, and the hydraulic oil outside the oil storage cylinder 53 is filled into the space below the damping plate 65 through the damping valve 9 and absorbs vibration energy;
when the damping valve 9 releases excessive energy to continuously heat the hydraulic oil, the cooling cylinder 57 cools through the water area and accelerates the gasification rate of the water, so that air flow is generated on one side of the filter screen 54, the air flow drives the rotating fan blades 713 to rotate, the rotating fan blades 713 drive the first driving wheel 714 to rotate, the first driving wheel 714 drives the second driving wheel 723 to rotate, the second driving wheel 723 drives the second rotating shaft 722 to rotate, the second rotating shaft 722 drives the first bevel gear 721 to rotate, the first bevel gear 721 rotates to drive the second bevel gear 732 to rotate, the height of the rotating ring 731 is adjusted, the elastic coefficient of the buffer spring 31 is reduced, the travel of the iron core 22 in the sealing outer cylinder 51 is increased, the magnetic force change range generated by the coil 32 is increased, and the speed of the iron powder to puncture foam is increased.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. The utility model provides a cylinder bumper shock absorber for automotive suspension, includes top cap mechanism (2) and urceolus mechanism (5), its characterized in that: the outer cylinder mechanism (5) comprises a sealing outer cylinder (51), the top cover mechanism (2) comprises a top cover plate (21), an iron core (22) is fixedly connected to the center position of the bottom surface of the top cover plate (21), an inner cylinder mechanism (6) is arranged in the sealing outer cylinder (51), the inner cylinder mechanism (6) comprises a sealing inner cylinder (61), and a damping plate (65) is slidably connected to the inner side wall of the sealing inner cylinder (61);
the bottom end of the iron core (22) penetrates through the top wall of the sealing outer cylinder (51) and is fixedly connected with the top surface of the damping plate (65), the bottom wall of the sealing inner cylinder (61) is fixedly connected with an oil passing plate (64), one-way valves (8) are fixedly embedded in the inner side walls of the oil passing plate (64) and the damping plate (65), damping valves (9) are fixedly embedded in the inner side walls of the oil passing plate (64) and the damping plate (65), an oil storage cylinder (53) is arranged below the sealing outer cylinder (51), and a bottom cover plate (4) is fixedly connected with the bottom end of the oil storage cylinder (53);
the hydraulic oil is arranged in the sealing inner cylinder (61), nitrogen is arranged in the sealing outer cylinder (51), iron powder is added in the sealing inner cylinder (61), a buffer mechanism (3) is arranged on the outer side of the sealing outer cylinder (51), the buffer mechanism (3) comprises two ring sealing sheets (33), buffer springs (31) are fixedly connected between the inner sides and the outer sides of the two ring sealing sheets (33), coils (32) are arranged between the two buffer springs (31), and two ends of each coil (32) penetrate through the side walls of the corresponding buffer springs (31) and extend to the outer side of the corresponding sealing outer cylinder (51);
the sealing outer cylinder (51) is fixedly connected with a threaded cylinder (52) between the oil storage cylinder (53), an adjusting mechanism (7) is arranged on the outer side of the threaded cylinder (52), the adjusting mechanism (7) comprises a lifting assembly (73), the lifting assembly (73) comprises a rotating ring (731), the bottom end of the buffer spring (31) is fixedly connected with the top surface of the rotating ring (731), the top end of the buffer spring (31) is fixedly connected with the bottom surface of the top cover plate (21), a second bevel gear (732) is rotatably connected with the bottom surface of the rotating ring (731), the inner side wall of the second bevel gear (732) is in threaded connection with the outer side wall of the threaded cylinder (52), and the inner side wall of the rotating ring (731) is in sliding connection with the outer side wall of the threaded cylinder (52).
2. A cartridge damper for automotive suspension according to claim 1, wherein: the top surface fixedly connected with first rings (1) of lamina tecti (21), the bottom surface fixedly connected with second rings (41) of lamina tecti (4).
3. A cartridge damper for automotive suspension according to claim 1, wherein: the novel heat radiation device is characterized in that a heat radiation fin ring (63) is fixedly connected between the inner side wall of the sealing outer cylinder (51) and the inner side wall of the sealing inner cylinder (61), a sealing ring (62) is fixedly connected to the top end of the sealing inner cylinder (61), and a round platform sealing plate (66) is fixedly connected between the sealing outer cylinder (51) and the sealing ring (62).
4. A cartridge damper for automotive suspension according to claim 1, wherein: the inner side wall of the oil storage cylinder (53) is fixedly connected with a cooling cylinder (57), and the center position of the cooling cylinder (57) is sunken downwards to form a cavity.
5. A cartridge damper for automotive suspension according to claim 1, wherein: the side wall of the oil storage cylinder (53) is fixedly embedded with a filter screen (54), the outer side wall of the oil storage cylinder (53) is fixedly connected with a water supplementing bent pipe (55), and the top end of the water supplementing bent pipe (55) is in threaded connection with a spiral cover (56).
6. A cartridge damper for automotive suspension according to claim 1, wherein: the lateral wall fixedly connected with second connecting plate (733) of swivel becket (731), the bottom of second connecting plate (733) is provided with rotating assembly (72), the top rotation of second connecting plate (733) is connected with second torsional spring (737), the one end fixedly connected with rotor plate (734) of second torsional spring (737), the lateral wall of second torsional spring (737) is provided with fourth axis of rotation (738).
7. A cartridge damper for automotive suspension as defined in claim 6 wherein: one end of the fourth rotating shaft (738) is fixedly connected with the rotating plate (734), the other end of the fourth rotating shaft (738) is fixedly connected with a second connecting plate (733), the bottom end of the rotating plate (734) is rotatably connected with a third rotating shaft (736), and the outer side wall of the third rotating shaft (736) is rotatably connected with a third driving wheel (735).
8. A cartridge damper for automotive suspension as set forth in claim 7 wherein: the rotating assembly (72) comprises a first bevel gear (721), a second rotating shaft (722) is fixedly connected to the center position of the side wall of the first bevel gear (721), a second driving wheel (723) is fixedly connected to the outer side wall of the second rotating shaft (722), and a first torsion spring (724) is arranged on the outer side wall of the second rotating shaft (722).
9. A cartridge damper for automotive suspension as set forth in claim 8 wherein: one end of the first torsion spring (724) is fixedly connected with the side wall of the second connecting plate (733), the other end of the first torsion spring (724) is fixedly connected with the side wall of the second connecting plate (733), a driving assembly (71) is arranged below the bottom end of the rotating assembly (72), the driving assembly (71) comprises a first connecting plate (711), the bottom end of the first connecting plate (711) is fixedly connected with the side wall of the bottom cover plate (4), and the top end of the first connecting plate (711) is rotationally connected with a first rotating shaft (712).
10. A cartridge damper for automotive suspension as set forth in claim 9 wherein: the outer side wall of the first rotating shaft (712) is fixedly connected with a first driving wheel (714), one end of the first rotating shaft (712) is fixedly connected with a rotating fan blade (713), a driving belt (74) is in driving connection with the second driving wheel (723), and the inner side wall of the driving belt (74) is in driving connection with the outer side wall of the third driving wheel (735).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310398739.1A CN116221332A (en) | 2023-04-11 | 2023-04-11 | Cylinder type shock absorber for automotive suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310398739.1A CN116221332A (en) | 2023-04-11 | 2023-04-11 | Cylinder type shock absorber for automotive suspension |
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| Publication Number | Publication Date |
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| CN116221332A true CN116221332A (en) | 2023-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310398739.1A Pending CN116221332A (en) | 2023-04-11 | 2023-04-11 | Cylinder type shock absorber for automotive suspension |
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| CN (1) | CN116221332A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116877623A (en) * | 2023-07-12 | 2023-10-13 | 临沂天一减震器有限公司 | Shock absorber with adjustable ground clearance |
| CN116972095A (en) * | 2023-09-05 | 2023-10-31 | 临沂天一减震器有限公司 | Automobile shock absorber ware with effect of making an uproar falls |
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| EP0658611A1 (en) * | 1993-12-18 | 1995-06-21 | Ringsdorff Sinter GmbH | Injection molded guiding and sealing elements on sintered parts for a shock absorber |
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| CN101439794A (en) * | 2007-11-19 | 2009-05-27 | 乐金电子(天津)电器有限公司 | Structure for fixing compressor footing in air-conditioner transportation process |
| DE102009034295A1 (en) * | 2009-07-21 | 2011-02-03 | Dt Swiss Ag | Damping device i.e. rear wheel damper, for use in suspension fork for bicycle, has damping chambers connected with each other by damping channel, and cooling unit including heatpipe for transporting heat occurring during damping |
| CN104482101A (en) * | 2014-12-30 | 2015-04-01 | 临沂天一减震器有限公司 | Adjustable four-section damping valve for oil fluid shock absorber |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0658611A1 (en) * | 1993-12-18 | 1995-06-21 | Ringsdorff Sinter GmbH | Injection molded guiding and sealing elements on sintered parts for a shock absorber |
| US6170621B1 (en) * | 1997-10-08 | 2001-01-09 | Honda Giken Kogyo Kabushiki Kaisha | Vehicular damper with vehicle height adjusting function |
| CN101439794A (en) * | 2007-11-19 | 2009-05-27 | 乐金电子(天津)电器有限公司 | Structure for fixing compressor footing in air-conditioner transportation process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116877623A (en) * | 2023-07-12 | 2023-10-13 | 临沂天一减震器有限公司 | Shock absorber with adjustable ground clearance |
| CN116877623B (en) * | 2023-07-12 | 2024-01-23 | 临沂天一减震器有限公司 | Shock absorber with adjustable ground clearance |
| CN116972095A (en) * | 2023-09-05 | 2023-10-31 | 临沂天一减震器有限公司 | Automobile shock absorber ware with effect of making an uproar falls |
| CN116972095B (en) * | 2023-09-05 | 2024-02-23 | 临沂天一减震器有限公司 | Automobile shock absorber ware with effect of making an uproar falls |
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Application publication date: 20230606 |