CN110953282A - Novel shock absorber - Google Patents
Novel shock absorber Download PDFInfo
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- CN110953282A CN110953282A CN201911364082.7A CN201911364082A CN110953282A CN 110953282 A CN110953282 A CN 110953282A CN 201911364082 A CN201911364082 A CN 201911364082A CN 110953282 A CN110953282 A CN 110953282A
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- cavity
- tube
- inner tube
- sealing
- end seal
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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
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/185—Bitubular units
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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
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
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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
-
- 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
- F16F9/36—Special sealings, including sealings or guides for piston-rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The application discloses novel shock absorber, be equipped with the inner chamber in the inner tube, put piston and piston shaft in the inner tube, piston and piston shaft are cut apart into A chamber and B chamber with the inner chamber, the second has been cup jointed to the periphery of outer tube and has been led oil pipe, be equipped with first through-hole on the inner tube, first through-hole leads oil pipe intercommunication with B chamber and second respectively, the first oil pipe that leads has still been cup jointed to the periphery of inner tube, be equipped with the second through-hole on the inner tube, the second through-hole communicates with A chamber and first oil pipe that leads respectively, be equipped with the first electromagnetic damping valve who leads oil pipe intercommunication with first on the outer tube, still be equipped with the second electromagnetic damping valve who leads oil pipe intercommunication with the second on the outer tube, be equipped with in the first end seal and respectively with the second one-way flow valve of A chamber and exocoel intercommunication, be equipped with the first one-way. The invention can enable the shock absorber to have wider damping adjustment, and dynamically adjust the damping by matching with the electric control system, so that the vehicle is more stable and safer in the driving process, and excellent sensory experience is provided for drivers and passengers.
Description
Technical Field
The invention relates to a novel shock absorber.
Background
The traditional vibration damper consists of a piston rod, a piston valve assembly, a bottom valve assembly, an inner pipe and an outer pipe assembly, wherein valve plates are arranged on the piston valve assembly and the bottom valve assembly to cover a circulation hole, and when the piston rod and the outer pipe assembly do relative reciprocating motion, medium oil pushes the valve from the circulation hole to be opened, and a high-pressure cavity is reserved to a low-pressure cavity to generate resistance. The traditional vibration damper is not adjustable after being subjected to factory set values, and the damping condition of the vehicle can be determined only passively according to the vibration of the vehicle and the part structure in the actual use process.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a novel shock absorber.
The technical scheme adopted by the invention is as follows:
a novel shock absorber comprises a first end seal, an inner tube, an outer tube and a second end seal, wherein the inner tube is arranged between the first end seal and the second end seal, the outer tube is sleeved on the periphery of the inner tube, one end of the outer tube is provided with a first sealing cover plate, the first sealing cover plate is in sealing fit with the first end seal, the other end of the appearance is provided with a second sealing cover plate, the second sealing cover plate is in sealing fit with the second end seal, an inner cavity is arranged in the inner tube, a piston and a piston shaft are arranged in the inner tube, the piston and the piston shaft divide the inner cavity into an A cavity and a B cavity, the first sealing cover plate, the outer wall of the inner tube and the second end seal form an outer cavity, the periphery of the outer tube is sleeved with a second oil guide tube, a first through hole is formed in the inner tube and is respectively communicated with the B cavity and the second oil guide tube, a first oil guide tube is further sleeved on the periphery of the inner tube, a second, the outer pipe is provided with a first electromagnetic damping valve communicated with the first oil guide pipe, the outer pipe is also provided with a second electromagnetic damping valve communicated with the second oil guide pipe, the first end seal is internally provided with a second one-way circulation valve communicated with the cavity A and the outer cavity respectively, and the second end seal is internally provided with a first one-way circulation valve communicated with the cavity B and the outer cavity respectively.
In the embodiment of the invention, a plurality of first sealing rings are arranged at the joint of the first oil guide pipe and the inner pipe, and the first sealing rings are clamped at one side of the first guide pipe close to the inner pipe.
In the embodiment of the invention, a plurality of second sealing rings are arranged at the joint of the second oil guide pipe and the inner pipe, and the second sealing rings are clamped at one side of the second guide pipe close to the inner pipe.
In the embodiment of the invention, the second sealing cover plate is sleeved on the periphery of the piston shaft, a concave part is arranged on one side of the second sealing cover plate close to the piston shaft, and the concave part and the outer wall of the piston shaft form a limiting cavity.
In the embodiment of the invention, a sealing gasket is arranged between the second sealing cover plate and the second end seal, and a plurality of limiting teeth are arranged on one side of the second sealing cover plate close to the second end seal.
In the embodiment of the invention, the second sealing cover plate is circumferentially provided with an annular limiting bulge, one side of the outer cylinder, which is close to the second sealing cover plate, is provided with an annular limiting groove, the annular limiting bulge is clamped in the annular limiting groove, and the annular limiting bulge is in clearance fit with the annular limiting groove.
In the embodiment of the invention, the length of the first oil guide pipe is L1, the length of the second oil guide pipe is L2, and 1/3 is more than L1/L2 is more than 1/2.
In the embodiment of the invention, the periphery of the piston, which is close to the inner wall of the inner pipe, is provided with the annular clamping groove, and the third sealing ring is clamped in the annular clamping groove.
In the embodiment of the invention, one side of the second end seal, which is close to the outer wall of the piston shaft, is provided with the sealing sleeve.
In the embodiment of the invention, the outer pipes are respectively provided with a first mounting pipe, the first mounting pipes are respectively provided with a fourth sealing ring, the first oil guide pipe and the second oil guide pipe are respectively provided with a second mounting pipe, and the second mounting pipes are respectively provided with a fifth sealing ring.
The invention has the beneficial effects that: when the shock absorber is used, oil is filled in the shock absorber, when the piston and the piston move towards one side close to the second end seal in the axial direction, the pressure of the cavity B is increased, the pressure of the cavity A is reduced, the pressure of the outer cavity on the first end seal through the second one-way flow valve is leveled with the cavity A, the pressure in the second oil guide pipe is the same as that of the cavity B and larger than that of the outer cavity, the second electromagnetic damping valve is communicated with the second oil guide pipe and the outer cavity, the oil flows into the second oil guide pipe from the cavity B and then flows into the outer cavity through the second electromagnetic damping valve, and the stretching resistance of the shock absorber is controlled by controlling the flow ratio of the. When the piston and the piston move close to the first end seal in the axial direction, the pressure of the cavity A is increased, the pressure of the cavity B is reduced, the pressure of the outer cavity on the first one-way flow valve through the second end seal is leveled to the cavity B, the pressure in the first oil guide pipe is the same as the pressure of the cavity A and is larger than the outer cavity, the first electromagnetic damping valve is communicated with the first oil guide pipe and the outer cavity, oil flows into the first oil guide pipe from the cavity A and then flows into the outer cavity through the first electromagnetic damping valve, the compression resistance of the shock absorber is controlled by controlling the flow ratio of the first electromagnetic damping valve, the shock absorber has wider damping adjustment, damping is dynamically adjusted by matching with an electric control system, the vehicle is more stable and safer in the driving process, and excellent sensory experience is provided for drivers and.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
Drawings
FIG. 1 is a cross-sectional view of the novel shock absorber of the present invention;
FIG. 2 is an enlarged partial schematic view at A of FIG. 1;
FIG. 3 is an enlarged partial schematic view at D of FIG. 2;
FIG. 4 is an enlarged partial schematic view at B of FIG. 1;
fig. 5 is a partially enlarged schematic view at C in fig. 1.
The figures are numbered:
1. a first end seal; 2. a first oil guide pipe; 3. a piston; 4. an outer tube; 5. an inner tube; 6. a second oil guide pipe; 7. a second end seal; 8. a first electromagnetic damping valve; 9. a second electromagnetic damping valve; 10. a first sealing cover plate; 11. a second sealing cover plate; 12. an inner cavity; 13. an outer cavity; 14. a cavity A; 15. a cavity B; 16. a piston shaft; 17. a first one-way flow valve; 18. a second one-way flow valve; 19. a first through hole; 20. a second through hole; 21. a first seal ring; 22. a second seal ring; 23. a gasket; 24. limiting teeth; 25. an annular limiting bulge; 26. an annular limiting groove; 27. a recess; 28. a limiting cavity; 29. an annular neck; 30. a third seal ring; 31. sealing the sleeve; 32. a first mounting tube; 33. a fourth seal ring; 34. a second mounting tube; 35. and a fifth sealing ring.
Detailed Description
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
In the following description, the appearances of the indicating orientation or positional relationship such as the terms "inner", "outer", "upper", "lower", "left", "right", etc. are only for convenience in describing the embodiments and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
As shown in fig. 1-5, a novel shock absorber provided by an embodiment of the present invention includes a first end seal 1, an inner tube 5, an outer tube 4 and a second end seal 7, the inner tube 5 is disposed between the first end seal 1 and the second end seal 7, the outer tube 4 is sleeved on the periphery of the inner tube 5, one end of the outer tube 4 is provided with a first sealing cover plate 10, the first sealing cover plate 10 is in sealing fit with the first end seal 1, the other end of the outer appearance is provided with a second sealing cover plate 11, the second sealing cover plate 11 is in sealing fit with the second end seal 7, the inner tube 5 is provided with an inner cavity 12, the inner tube 5 is provided with a piston 3 and a piston shaft 16, the piston 3 and the piston shaft 16 divide the inner cavity 12 into an a cavity 14 and a cavity B15, the first sealing cover plate 10, the outer wall of the inner tube 5, and the second end seal 7 enclose to form an outer cavity 13, the periphery of the outer tube 4 is sleeved with a second oil guide tube 6, the inner tube 5 is provided with a first through, the periphery of the inner tube 5 is further sleeved with a first oil guide tube 2, the inner tube 5 is provided with a second through hole 20, the second through hole 20 is communicated with the cavity A14 and the first oil guide tube 2 respectively, the outer tube 4 is provided with a first electromagnetic damping valve 8 communicated with the first oil guide tube 2, the outer tube 4 is further provided with a second electromagnetic damping valve 9 communicated with the second oil guide tube 6, a second one-way circulation valve 18 communicated with the cavity A14 and the outer cavity 13 respectively is arranged in the first end seal 1, and a first one-way circulation valve 17 communicated with the cavity B15 and the outer cavity 13 respectively is arranged in the second end seal 7. When the shock absorber is used, oil is filled in the shock absorber, when the piston 3 and the piston shaft 16 move towards one side close to the second end seal 7, the pressure of the cavity B15 is increased, the pressure of the cavity A14 is reduced, the pressure of the outer cavity 13 is leveled with the cavity A14 through the second one-way flow valve 18 on the first end seal 1, the pressure in the second oil guide pipe 6 is the same as that of the cavity B15 and is larger than that of the outer cavity 13, the second electromagnetic damping valve 9 is communicated with the second oil guide pipe 6 and the outer cavity 13, the oil flows into the second oil guide pipe 6 from the cavity B15 and then flows into the outer cavity 13 through the second electromagnetic damping valve 9, and the stretching resistance of the shock absorber is controlled by controlling the flow ratio of the second electromagnetic damping valve 9. When the piston 3 and the piston shaft 16 move towards the first end seal 1, the pressure of the cavity A14 is increased, the pressure of the cavity B15 is reduced, the pressure of the outer cavity 13 is leveled with the pressure of the cavity B15 through the first one-way flow valve 17 on the second end seal 7, the pressure in the first oil guide pipe 2 is the same as the pressure of the cavity A14 and is larger than the pressure of the outer cavity 13, the first electromagnetic damping valve 8 is communicated with the first oil guide pipe 2 and the outer cavity 13, oil flows into the first oil guide pipe 2 from the cavity A14 and then flows into the outer cavity 13 through the first electromagnetic damping valve 8, the compression resistance of the shock absorber is controlled by controlling the flow ratio of the first electromagnetic damping valve 8, so that the shock absorber has wider damping adjustment, the damping is dynamically adjusted by matching with an electric control system, the vehicle is more stable and safer in the driving process, and excellent sensory experience is provided for.
In this embodiment, the joint of the first oil guiding pipe 2 and the inner pipe 5 is provided with a plurality of first sealing rings 21, and the first sealing rings 21 are clamped on one side of the first guiding pipe close to the inner pipe 5. Through establishing a plurality of first sealing washer 21 in first oil pipe 2 and inner tube 5 linking department, first sealing washer 21 joint is close to one side of inner tube 5 at first stand pipe, utilizes first sealing washer 21 can effectively improve first oil pipe 2's leakproofness, and then effectively improves the shock attenuation effect of bumper shock absorber.
In this embodiment, a plurality of second sealing rings 22 are disposed at the joint of the second oil guiding pipe 6 and the inner pipe 5, and the second sealing rings 22 are clamped at one side of the second guiding pipe close to the inner pipe 5. Through leading oil pipe 6 at the second and establishing a plurality of second sealing washer 22 with the inner tube 5 linking department, second sealing washer 22 joint is close to one side of inner tube 5 at the second stand pipe, so can further improve the leakproofness of second oil pipe 6, and then effectively improved the shock attenuation effect of bumper shock absorber.
In this embodiment, the second sealing cover plate 11 is sleeved on the outer periphery of the piston shaft 16, a concave portion 27 is provided on one side of the second sealing cover plate 11 close to the piston shaft 16, and the concave portion 27 and the outer wall of the piston shaft 16 form a limit cavity 28. Through making the second sealed apron 11 cup joint in the periphery of piston shaft 16, concave part 27 is established to one side that the second sealed apron 11 is close to piston shaft 16, and concave part 27 and the outer wall of piston shaft 16 form spacing chamber 28, so reducible second sealed apron 11 and the area of contact of piston shaft 16, the sealed chamber that concave part 27 and piston shaft 16 outer wall formed can play certain sealed effect in addition, and then effectively improved the shock attenuation effect of bumper shock absorber.
In this embodiment, a sealing gasket 23 is disposed between the second sealing cover plate 11 and the second end seal 7, and a plurality of limiting teeth 24 are disposed on a side of the second sealing cover plate 11 close to the sealing end seal. Through establish sealed pad 23 between second sealed apron 11 and second end seal 7, a plurality of spacing teeth 24 are established to one side that second sealed apron 11 is close to sealed end seal, so can further improve the stability of the sealed apron 11 installation of second, further improve the shock attenuation effect of bumper shock absorber.
In this embodiment, an annular limiting protrusion 25 is circumferentially arranged on the second sealing cover plate 11, an annular limiting groove 26 is arranged on one side of the outer cylinder close to the second sealing cover plate 11, the annular limiting protrusion 25 is clamped in the annular limiting groove 26, and the annular limiting protrusion 25 is in clearance fit with the annular limiting groove 26. Through establishing annular spacing arch 25 in the circumference of the sealed apron 11 of second to establish annular spacing groove 26 through the one side that is close to the sealed apron 11 of second at the urceolus, the joint of annular spacing arch 25 is in annular spacing groove 26, and annular spacing arch 25 and annular spacing groove 26 clearance fit can improve the sealing performance of the sealed apron 11 of second like this, so can further improve the shock attenuation effect of this bumper shock absorber.
In the embodiment, the length of the first oil conduit 2 is L1, the length of the second oil conduit 6 is L2, 1/3 < L1/L2 < 1/2. The length of the first oil guide pipe 2 is L1, the length of the second oil guide pipe 6 is L2, 1/3 is more than L1/L2 is more than 1/2, and therefore the shock absorber is endowed with wider damping adjustment, and the shock absorption effect of the shock absorber is improved.
In this embodiment, the piston 3 is provided with an annular clamping groove 29 at the periphery close to the inner wall of the inner tube 5, and a third sealing ring 30 is clamped in the annular clamping groove 29. Through establish ring groove 29 in the periphery that is close to inner tube 5 inner wall at piston 3, joint third sealing washer 30 in the ring groove 29, utilize third sealing washer 30 can effectively improve the leakproofness of the flexible department of piston 3, and then guaranteed the leakproofness in A chamber 14 and B chamber 15, and then improved the stability of bumper shock absorber work.
In this embodiment, the side of the second end seal 7 close to the outer wall of the piston shaft 16 is provided with a sealing sleeve 31. By arranging the sealing sleeve 31 at the side of the second end seal 7 close to the outer wall of the piston shaft 16, the sealing performance of the inner cavity 12 is improved, and the working stability of the shock absorber is further improved.
In this embodiment, all be equipped with first installation pipe 32 on the outer tube 4, all be equipped with fourth sealing washer 33 in the first installation pipe 32, all be equipped with second installation pipe 34 on first oil pipe 2 and the second oil pipe 6, all be equipped with fifth sealing washer 35 in the second installation pipe 34. Through the first installation pipe 32 that supplies first electromagnetism damping valve 8 and the installation of second electromagnetism damping valve 9 on outer tube 4 to install the fourth sealing washer 33 that is used for sealed first electromagnetism attenuator or second electromagnetism damping valve 9 in first installation pipe 32, all install second installation pipe 34 on first oil pipe 2 and the second oil pipe 6 of leading, and establish fifth sealing washer 35 in second installation pipe 34, can effectively improve the leakproofness through fourth sealing washer 33 and fifth sealing washer 35, and then guarantee the stability of first electromagnetism damping valve 8 and the work of second electromagnetism damping valve 9.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings can be directly or indirectly applied to other related technical fields and are included in the scope of the present invention.
Claims (10)
1. A novel shock absorber is characterized by comprising a first end seal, an inner tube, an outer tube and a second end seal, wherein the inner tube is arranged between the first end seal and the second end seal, the outer tube is sleeved on the periphery of the inner tube, one end of the outer tube is provided with a first sealing cover plate, the first sealing cover plate is in sealing fit with the first end seal, the other end of the outer tube is provided with a second sealing cover plate, the second sealing cover plate is in sealing fit with the second end seal, an inner cavity is arranged in the inner tube, a piston and a piston shaft are arranged in the inner tube, the inner cavity is divided into an A cavity and a B cavity by the piston and the piston shaft, the first sealing cover plate, the outer wall of the inner tube and the second end seal enclose to form an outer cavity, the periphery of the outer tube is sleeved with a second oil guide tube, a first through hole is formed in the inner tube and is respectively communicated with the B cavity and the second oil guide tube, a first through hole is further sleeved on the periphery of the inner tube, the outer pipe is provided with a first electromagnetic damping valve communicated with the first oil guide pipe, the outer pipe is also provided with a second electromagnetic damping valve communicated with the second oil guide pipe, the first end seal is internally provided with a second one-way circulation valve communicated with the cavity A and the outer cavity respectively, and the second end seal is internally provided with a first one-way circulation valve communicated with the cavity B and the outer cavity respectively.
2. The novel shock absorber according to claim 1, wherein a plurality of first sealing rings are arranged at the joint of the first oil conduit and the inner tube, and the first sealing rings are clamped at one side of the first oil conduit close to the inner tube.
3. The novel shock absorber according to claim 1, wherein a plurality of second sealing rings are arranged at the joint of the second oil conduit and the inner tube, and the second sealing rings are clamped at one side of the second oil conduit close to the inner tube.
4. The novel shock absorber according to claim 1, wherein the second sealing cover plate is sleeved on the periphery of the piston shaft, a concave portion is arranged on one side of the second sealing cover plate close to the piston shaft, and the concave portion and the outer wall of the piston shaft form a limiting cavity.
5. The novel shock absorber according to claim 1, wherein a sealing gasket is provided between the second sealing cover plate and the second end seal, and a plurality of limiting teeth are provided on a side of the second sealing cover plate close to the sealing end seal.
6. The novel shock absorber according to claim 1, wherein the second sealing cover plate is circumferentially provided with an annular limiting protrusion, one side of the outer cylinder close to the second sealing cover plate is provided with an annular limiting groove, the annular limiting protrusion is clamped in the annular limiting groove, and the annular limiting protrusion is in clearance fit with the annular limiting groove.
7. The novel shock absorber of claim 1, wherein the first conduit has a length of L1, and the second conduit has a length of L2, 1/3 < L1/L2 < 1/2.
8. The novel shock absorber according to claim 1, wherein the piston is provided with an annular clamping groove at the periphery close to the inner wall of the inner tube, and a third sealing ring is clamped in the annular clamping groove.
9. The novel shock absorber according to claim 1, wherein the second end seal is provided with a sealing sleeve on a side close to the outer wall of the piston shaft.
10. The novel shock absorber according to claim 1, wherein the outer tube is provided with a first mounting tube, the first mounting tube is provided with a fourth sealing ring, the first oil conduit and the second oil conduit are provided with a second mounting tube, and the second mounting tube is provided with a fifth sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911364082.7A CN110953282A (en) | 2019-12-26 | 2019-12-26 | Novel shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911364082.7A CN110953282A (en) | 2019-12-26 | 2019-12-26 | Novel shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110953282A true CN110953282A (en) | 2020-04-03 |
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ID=69984185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911364082.7A Pending CN110953282A (en) | 2019-12-26 | 2019-12-26 | Novel shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110953282A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076280A (en) * | 2022-06-30 | 2022-09-20 | 中国第一汽车股份有限公司 | Double-valve type continuous damping control shock absorber assembly for improving response time |
-
2019
- 2019-12-26 CN CN201911364082.7A patent/CN110953282A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076280A (en) * | 2022-06-30 | 2022-09-20 | 中国第一汽车股份有限公司 | Double-valve type continuous damping control shock absorber assembly for improving response time |
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