CN206668851U - A kind of automatically controlled piston mechanism of suspension shock-absorber - Google Patents
A kind of automatically controlled piston mechanism of suspension shock-absorber Download PDFInfo
- Publication number
- CN206668851U CN206668851U CN201720425831.2U CN201720425831U CN206668851U CN 206668851 U CN206668851 U CN 206668851U CN 201720425831 U CN201720425831 U CN 201720425831U CN 206668851 U CN206668851 U CN 206668851U
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- Prior art keywords
- valve
- valve casing
- movable core
- orifice
- piston mechanism
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Abstract
The utility model discloses a kind of electronic controlled suspension damper piston mechanism, including：Piston rod；Valve casing, it is fixed on the piston-rod lower end, is in hollow shape inside the valve casing；Fuel feed hole is provided with the side wall of the valve casing, so that oil storage cylinder epicoele inside valve casing with being conducted；Electromagnet, it is arranged on the valve casing inner tip；Orifice valve, it is arranged on the valve casing interior lower end, makes to be conducted with oil storage cylinder cavity of resorption inside valve casing by orifice valve；Movable core, it is arranged between electromagnet and orifice valve, and return spring is provided between the movable core and electromagnet；The movable core outer surface is fitted with valve casing inner surface, and side opening is provided with the movable core side wall, and the internal diameter of the side opening is less than fuel feed hole internal diameter；When the movable core is located at lower end position, side opening overlaps with oil-feed axially bored line；Movable core, which moves up, when the solenoid is energized fully opens fuel feed hole.
Description
Technical field
The utility model belongs to vehicle shock absorber technical field, more particularly to a kind of suspension vibration damping that can adjust damping force
The automatically controlled piston mechanism of device.
Background technology
In recent years, people are risen to the demand of automobile with the gesture broken out, and then the performance requirement of automobile is also constantly carried
It is high.Automotive suspension is the important assembly part on automobile, relevant with a variety of performances of automobile.Shock absorber is in suspension fork mechanism
Most accurate and complicated mechanical parts, the performance quality of shock absorber will directly affect the riding comfort of automobile, ride comfort, stably
Property.Traditional hydraulic shock absorber, it is impossible to automatically control the size of absorber damping force.
Therefore, can be according to the shock loading that vehicle body is transmitted to by uneven road surface, certainly, it is necessary to design a kind of new shock absorber
The damping force of dynamic control shock absorber, the thus caused vibration that decays, the comfortableness for ensureing occupant.
Utility model content
The purpose of this utility model is that solve suspension shock-absorber to damp nonadjustable defect, there is provided a kind of suspension shock-absorber
Automatically controlled piston mechanism.
Technical scheme provided by the utility model is：
A kind of electronic controlled suspension damper piston mechanism, including：
Piston rod；
Valve casing, it is fixed on the piston-rod lower end, is in hollow shape inside the valve casing；
Electromagnet, it is arranged on the valve casing inner tip；
Orifice valve, it is arranged on the valve casing interior lower end, and the orifice valve, electromagnet and the valve casing, which are formed, accommodates sky
Between；The receiving space is set to be conducted with oil storage cylinder cavity of resorption by orifice valve；Set corresponding to the receiving space on valve housing side wall
Fuel feed hole is equipped with, so that oil storage cylinder epicoele connects with receiving space；
Movable core, it is arranged in the receiving space, and return bullet is provided between the movable core and electromagnet
Spring；The movable core side wall is fitted with valve casing inner surface, and side opening is provided with the movable core side wall, the side opening
Diameter is less than oil-feed bore dia；
Wherein, when the movable core is located at lower end position, side opening overlaps with oil-feed axially bored line, fluid by side opening and
Fuel feed hole enters receiving space；Movable core moves up that to fully open fuel feed hole unobstructed when the solenoid is energized.
Preferably, the piston rod with valve casing by being fixed after seam radial positioning by laser welding.
Preferably, the electromagnet includes：
Secured core, the setting of its lower end is fluted, and the upper end of the return spring is snapped onto in the groove；
Coil holder, it is linked on the outside of the secured core, coil is provided with the coil holder；
Oil sealing, it is arranged on the lower end of the secured core lateral surface.
Preferably, the piston rod is hollow stem, and the valve casing top is provided with perforate, so that the wire of coil is through valve
The perforate of shell top passes from piston rod top.
Preferably, the orifice valve includes valve body, and the valve outer surface is stepped, and lower end is set in the valve casing
There is shoulder hole, valve outer surface is engaged with shoulder hole.
Preferably, it is provided with below the orifice valve and holds out against nut, the nut that holds out against coordinates with valve casing lower thread,
Orifice valve is mutually fixed with valve casing by holding out against nut；
Described hold out against is provided with a centre bore and four driving holes on nut.
Preferably, the bottom of the lateral surface of the valve casing is provided with piston ring, and the piston ring uses polytetrafluoroethylene (PTFE)
Material.
Preferably, it is provided with opening on the damping valve body and restores hole, the orifice valve upper end is provided with stream
Port valve piece, when orifice valve moves upwards, opening is sealed by flow- through valve plate；The orifice valve lower end is provided with rebuilt valve
Piece, when orifice valve moves downward, hole sealing will be restored by restoring valve block.
Preferably, the flow- through valve plate includes：
Circulate piece, and it is arranged on the top of opening, is provided with opening on the circulation piece, the position of the opening is with answering
The coincidence of foramen primum；
First shell fragment, it is set above circulation piece and pad, and when piston rod moves down, circulation piece passes through the first bullet and pad
Deflection deformation, produce damping force.
Preferably, the recovery valve block includes：
Disk；
Second shell fragment, it is arranged on the top of the disk, and when piston rod low speed moves up, fluid is from slotted vane and disk group
Close and flowed out in the crack lyriform pore formed.
The beneficial effects of the utility model are：The automatically controlled piston mechanism of suspension shock-absorber provided by the utility model, utilizes electricity
Can flowing through coil produce electromagnetic attraction by movable core attract or separate, by with orifice valve cooperating, realize shock absorber
Damping force Electronic Control, improve vibration damping, the buffering effect of shock absorber.
Brief description of the drawings
Fig. 1 is suspension shock-absorber automatically controlled piston mechanism general structure schematic diagram when movable core is located at lower end.
Fig. 2 is piston rod and valve casing schematic view of the mounting position.
Fig. 3 is electromagnet structure schematic diagram.
Fig. 4 is movable core front view.
Fig. 5 is movable core top view.
Fig. 6 is suspension shock-absorber automatically controlled piston mechanism general structure schematic diagram when movable core is located at upper end.
Fig. 7 is orifice valve structural representation.
Fig. 8 is the front view of orifice valve circulation pad.
Fig. 9 is the front view of the shell fragment of orifice valve first.
Figure 10 is the left view of the shell fragment of orifice valve first.
Figure 11 is the front view of orifice valve circulation piece.
Figure 12 is the front view of the shell fragment of orifice valve second.
Figure 13 is the front view of orifice valve disk.
Figure 14 is the front view for holding out against nut.
Figure 15 is the top view for holding out against nut.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
As shown in figure 1, the utility model provide a kind of automatically controlled piston mechanism of suspension shock-absorber, including oil storage cylinder 110 with
And piston rod 120, the lower end of oil storage cylinder 110 are connected with vehicle bridge, the upper end of piston rod 120 is connected with vehicle frame.
The lower end of piston rod 120 is fixedly connected with valve casing 130.Fig. 2, lower end and the valve casing 130 of piston rod 120 are referred in the lump
Top by passing through laser welding after seam radial positioning again, piston rod 120 is firmly fixed together with valve casing 130.
The bottom of the lateral surface of the valve casing 130 is provided with piston ring 134, and the piston ring 134 uses polytetrafluoroethylene (PTFE)
Material, in the annular groove for the bottom for being stuck in the lateral surface of valve casing 130, and friction pair is formed with the inwall of oil storage cylinder 110, by oil storage cylinder 110
It is divided into epicoele and cavity of resorption.
A cavity is provided with the valve casing 130, electromagnet 140 is provided with the top of cavity, is set in the valve casing 130
It is equipped with annular slot 131, jump ring 132 is provided with annular slot 131, the lower end of electromagnet 140 is stuck on jump ring 132,
The upper end of electromagnet 140 is bonded with the internal cavity upper surface of valve casing 130, i.e., electromagnet 140 is fixed on into cavity by jump ring 132
Top.
As shown in figure 3, the electromagnet 140 includes secured core 141, coil holder 142, coil 143,142 sets of coil holder
Close and be wrapped in the outside of secured core 141, coil 143 on ring support 142.The lower end of the lateral surface of secured core 141 is set
Oil sealing 144 is equipped with, will be sealed by oil sealing 144 between the lateral surface of secured core 141 and the inwall of oil storage cylinder 110, prevent oil storage cylinder
Fluid in 110, which is flowed up into coil 143, causes short circuit.
As shown in figure 1, the piston rod 120 is hollow stem, be provided with it one along axis through hole 121, the valve casing
130 top is also equipped with being open, and the hole that the wire of coil 143 is sequentially passed through on coil holder 142 and secured core 141 enters
Passed in the through hole 121 of piston rod 120 and from the top of piston rod 120, be connected on ECU ECU, pass through ECU ECU
Change the size of current of coil 143, and then change the magnetic force size of electromagnet 140.
As shown in Figure 1, Figure 4, Figure 5, movable core 150 is arranged on the lower section of electromagnet 140, in movable core 150 and electricity
Return spring 160 is provided between magnet, the lower end of secured core 141 sets fluted 145, and the top of movable core 150 is set
Projection 151 is equipped with, the upper end of return spring 160 is snapped onto in the groove 145, and the lower end of return spring 160 is linked in projection
151 outsides.
The outer surface of movable core 150 fits with the inner surface of valve casing 130, and movable core 150 can be in valve casing
130 interior edge axis move up and down.Fuel feed hole 133, the side of the movable core 150 are provided with the side wall of the valve casing 130
Side opening 152 is provided with wall, the internal diameter of the side opening 152 is less than the internal diameter of fuel feed hole 133.As shown in Fig. 1, Fig. 6, work as electromagnet
140 no powers make movable core 150 be in bottom, and the side opening 152 on movable core 150 is relative with fuel feed hole 133, axis weight
Close, now the epicoele of oil storage cylinder 110 by side opening 152 and fuel feed hole 133 with the intracavity inter-connection of valve casing 130.When electromagnet 140
During energization, attract movable core 150 to move up, now movable core 150 does not block fuel feed hole 133 completely, damping fluid from
The epicoele of oil storage cylinder 110 flows directly into the inner chamber of valve casing 130 through fuel feed hole 133, and flow now can be located at lower end than movable core 150
When flow it is big.
Fig. 7 is referred in the lump, and the bottom of the inner chamber of valve casing 130 is provided with orifice valve 170, i.e., orifice valve 170, which is arranged on, lives
The lower end of dynamic iron core 150, the inside of valve casing 130 is set to be conducted with the cavity of resorption of oil storage cylinder 110 by orifice valve 170.
Refer to Fig. 8-13 in the lump, orifice valve 170 by circulation pad 171, the first shell fragment 172, pad 173, circulation piece 174,
Slotted vane 177, disk 178, pad 179, valve body 1791 form.The outer surface of the valve body 1791 of orifice valve 170 is multidiameter structure,
The shoulder hole structure of the inner surface of valve casing 130 is engaged, and makes the axially position of valve body 1791.The upper end installation circulation piece of valve body 1791
174th, pad 173, the first shell fragment 172, circulation pad 171, form flow- through valve plate；The lower end of valve body 1791 is installed by the second shell fragment
177th, disk 178, pad 179, form and restore valve block.Valve body 1791 has inside and outside two row's clear openings, and interior round, which is formed, restores hole
176, outer round forms opening 175, and circulation piece 174 is provided with three arcuate sockets with radius, and arcuate socket makes the interior of valve body 1791
Round circulates, covers outer round；The excircle of slotted vane 177 is provided with groove, and disk covers the interior round of valve body 1791.Last riveting
Nail is by the riveting of orifice valve 7 into an entirety.
As shown in Figure 14, Figure 15, the bottom that nut 180 is arranged on orifice valve 170 is held out against, holding out against nut 180 has in one
Heart hole and four driving holes, driving hole play back-up wrench, convenient installation.Orifice valve can both be held out against by holding out against nut 180
170, while the damping fluid that can also circulate.
As shown in figure 1, be a kind of automatically controlled piston valve of suspension shock-absorber by the working condition under electromagnetism valve assembly off-position,
When electromagnet 140 powers off, the electromagnetic force of magnet coil 143 disappears, and return spring 160 flicks movable core 150, return spring
160 are in nature stretched condition, and movable core 150 moves down, and now automatically controlled piston valve is in pause mode；As shown in fig. 6,
When electromagnet 140 is powered, magnet coil 143 produces electromagnetic force, and return spring 160 is in compressive state, on movable core 150
Move, now automatically controlled piston valve is in running order.
As shown in fig. 7, in the shock absorber course of work, fluid flows through orifice valve 170, produces damping force, decays by road surface
Vibrated caused by uneven.When shock absorber moves up, i.e., when shock absorber is in recovery stroke, restore the valve block (lower end of valve body 1791
Slotted vane 177, disk 178, pad 179, form restore valve block) work.During low speed, slotted vane 177, disk 178 are indeformable, subtract
Shake liquid from interior round through being flowed out in gap of the slotted vane 177 with valve body 1791, damped coefficient is big；During high speed, fluid is from movable chamber stream
Recovered valve block, under action of hydraulic force, circulation piece 174 presses downwards orifice valve 170, and opening 175 is closed, and does not play damping and makees
With；The annular groove of fluid from the pad 171 that circulates, the piece 174 that circulates, which flows through, restores hole 176, and the recovered valve block of cocurrent and orifice valve make
Disk 178, slotted vane 177 produce deflection deformation, the throttle chink of formation, by the large deformation of slotted vane 177 and disk 178, fluid
Outflow, damping force are small.
When shock absorber moves down, i.e., shock absorber is in compression travel, flow- through valve plate (the circulation piece of the upper end of valve body 1791
174th, pad 173, shell fragment 172, circulation pad 171, form flow- through valve plate) work, fluid flows through flow- through valve plate, makees in hydraulic pressure
Under, restore valve block and compress orifice valve 170 upwards, restore hole 176 and close, do not play damping action；Fluid flows through from opening 175
Circulate piece 174, shell fragment 172, circulation pad 171, and the fluid that fluid flows through opening 175 makes flow- through valve plate that deflection deformation occur,
Circulation piece 174 is opened, and fluid flows through flow- through valve plate and deforms formed throttle chink, produces throttle resistance.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (10)
- A kind of 1. electronic controlled suspension damper piston mechanism, it is characterised in that including：Piston rod；Valve casing, it is fixed on the piston-rod lower end, is in hollow shape inside the valve casing；Electromagnet, it is arranged on the valve casing inner tip；Orifice valve, it is arranged on the valve casing interior lower end, and the orifice valve, electromagnet and the valve casing form receiving space； The receiving space is set to be conducted with oil storage cylinder cavity of resorption by orifice valve；It is provided with corresponding to the receiving space on valve housing side wall Fuel feed hole, so that oil storage cylinder epicoele connects with receiving space；Movable core, it is arranged in the receiving space, and return spring is provided between the movable core and electromagnet；Institute State movable core side wall to fit with valve casing inner surface, side opening, the diameter of the side opening are provided with the movable core side wall Less than oil-feed bore dia；Wherein, when the movable core is located at lower end position, side opening overlaps with oil-feed axially bored line, and fluid passes through side opening and oil-feed Hole enters receiving space；Movable core moves up that to fully open fuel feed hole unobstructed when the solenoid is energized.
- 2. electronic controlled suspension damper piston mechanism according to claim 1, it is characterised in that the piston rod leads to valve casing Fixed after crossing seam radial positioning by laser welding.
- 3. electronic controlled suspension damper piston mechanism according to claim 2, it is characterised in that the electromagnet includes：Secured core, the setting of its lower end is fluted, and the upper end of the return spring is snapped onto in the groove；Coil holder, it is linked on the outside of the secured core, coil is provided with the coil holder；Oil sealing, it is arranged on the lower end of the secured core lateral surface.
- 4. electronic controlled suspension damper piston mechanism according to claim 3, it is characterised in that the piston rod is hollow Bar, the valve casing top are provided with perforate, so that the wire of coil passes through the perforate of valve casing top from piston rod top.
- 5. electronic controlled suspension damper piston mechanism according to claim 1, it is characterised in that the orifice valve includes valve Body, the valve outer surface is stepped, and lower end is provided with shoulder hole in the valve casing, and valve outer surface matches with shoulder hole Close.
- 6. electronic controlled suspension damper piston mechanism according to claim 5, it is characterised in that set below the orifice valve Nut is held out against, the nut that holds out against coordinates with valve casing lower thread, mutually fixes orifice valve with valve casing by holding out against nut；Described hold out against is provided with a centre bore and four driving holes on nut.
- 7. electronic controlled suspension damper piston mechanism according to claim 1, it is characterised in that the lateral surface of the valve casing Bottom is provided with piston ring, and the piston ring uses polytetrafluoroethylene (PTFE) material.
- 8. electronic controlled suspension damper piston mechanism according to claim 5, it is characterised in that set on the damping valve body It is equipped with opening and restores hole, oil storage cylinder cavity of resorption is connected with receiving space with hole is restored by opening；On the orifice valve End is provided with flow- through valve plate, when orifice valve moves upwards, is sealed opening by flow- through valve plate；The orifice valve lower end is set There is recovery valve block, when orifice valve moves downward, hole sealing will be restored by restoring valve block.
- 9. electronic controlled suspension damper piston mechanism according to claim 8, it is characterised in that the flow- through valve plate includes：Circulate piece, and it is arranged on the top of opening, is provided with opening on the circulation piece, the position of the opening is with restoring hole Coincidence；First shell fragment, it is set above circulation piece and pad, and when piston rod moves down, circulation piece passes through the first bullet and gasket flexes Deformation, produce damping force.
- 10. electronic controlled suspension damper piston mechanism according to claim 9, it is characterised in that the recovery valve block includes：Disk；Second shell fragment, it is arranged on the top of the disk, when piston rod low speed moves up, fluid combined from slotted vane with disk and Into crack lyriform pore in flow out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425831.2U CN206668851U (en) | 2017-04-21 | 2017-04-21 | A kind of automatically controlled piston mechanism of suspension shock-absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720425831.2U CN206668851U (en) | 2017-04-21 | 2017-04-21 | A kind of automatically controlled piston mechanism of suspension shock-absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206668851U true CN206668851U (en) | 2017-11-24 |
Family
ID=60375553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720425831.2U Expired - Fee Related CN206668851U (en) | 2017-04-21 | 2017-04-21 | A kind of automatically controlled piston mechanism of suspension shock-absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206668851U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061595A (en) * | 2017-04-21 | 2017-08-18 | 辽宁工业大学 | A kind of automatically controlled piston mechanism of suspension shock-absorber |
| CN108644294A (en) * | 2018-07-04 | 2018-10-12 | 浙江雨辰机械有限公司 | Three class control valve for electronic control shock absorber |
| CN112283281A (en) * | 2020-10-22 | 2021-01-29 | 江苏大学 | Damping adjusting valve and method for vibration absorber |
| CN115143222A (en) * | 2022-07-18 | 2022-10-04 | 浙江快乐树减震器有限公司 | Single-tube shock absorber with self-adaptive damping adjustment function and using method thereof |
-
2017
- 2017-04-21 CN CN201720425831.2U patent/CN206668851U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061595A (en) * | 2017-04-21 | 2017-08-18 | 辽宁工业大学 | A kind of automatically controlled piston mechanism of suspension shock-absorber |
| CN108644294A (en) * | 2018-07-04 | 2018-10-12 | 浙江雨辰机械有限公司 | Three class control valve for electronic control shock absorber |
| CN112283281A (en) * | 2020-10-22 | 2021-01-29 | 江苏大学 | Damping adjusting valve and method for vibration absorber |
| CN112283281B (en) * | 2020-10-22 | 2022-08-23 | 江苏大学 | Damping adjusting valve and method for vibration absorber |
| CN115143222A (en) * | 2022-07-18 | 2022-10-04 | 浙江快乐树减震器有限公司 | Single-tube shock absorber with self-adaptive damping adjustment function and using method thereof |
| CN115143222B (en) * | 2022-07-18 | 2023-09-08 | 浙江快乐树减震器有限公司 | Mono-cylinder shock absorber with damping capable of being adaptively adjusted and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171124 Termination date: 20180421 |