CN208057798U - A kind of vehicle shock absorber hydraulic buffering mechanism - Google Patents
A kind of vehicle shock absorber hydraulic buffering mechanism Download PDFInfo
- Publication number
- CN208057798U CN208057798U CN201820492263.2U CN201820492263U CN208057798U CN 208057798 U CN208057798 U CN 208057798U CN 201820492263 U CN201820492263 U CN 201820492263U CN 208057798 U CN208057798 U CN 208057798U
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- CN
- China
- Prior art keywords
- limit base
- sleeve
- groove
- piston rod
- baffle ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of vehicle shock absorber hydraulic buffering mechanism；Including guide sleeve cylinder, limit base, baffle ring, clamp spring, piston rod；Sleeve includes horn-like groove, elongated slot, short slot；Limit base includes convex surface, upper notch, axial groove, lower notch；As damper is stretched to close to position is most greatly enhanced, limit base enters sleeve, and the convex surface of limit base and the horn-like groove of sleeve, elongated slot, the cooperation of short slot throttle；Form relative closure oil pocket in sleeve inner, the convex surface of limit base and the horn-like groove of sleeve, elongated slot, short slot respective outer side edges so that orifice size is smoothly increased.The utility model eliminates impact sense, avoids noise, inhibits vehicle roll.Relative to existing buffer structure, hydraulic cushion can generate smaller cushion effect in suspension low-speed motion, ensure comfort, it can quickly be moved in severe road conditions lower suspension again simultaneously or fierce drive when under body quickly rolls provides prodigious hydraulic cushion power, it avoids tension impact and improves handling, while the height loss for avoiding existing buffer structure from being generated after Repeated Compression.
Description
Technical field
The utility model belongs to vehicle suspension technical field, is related to a kind of vehicle shock absorber hydraulic buffering mechanism.
Background technology
During the work time, piston rod moves back and forth the hydraulic buffer of automobile suspension system in working cylinder, and fluid is logical
It crosses valve system and generates damping force.
Under big road conditions of jolting, it is desirable to which resistance of shock absorber increases, and damper can effectively absorb mechanical energy, avoid rigid punching
It hits, realizes effectiveness in vibration suppression.The riding experience of the most comfortable is brought to driver.
According to suspension travel needs, baffle ring can be installed on the corresponding position of shock absorber piston rod to limit damper most
Big tensile elongation；To avoid damaging and generate abnormal sound in baffle ring and guide holder contact process, placed on baffle ring nonmetallic
Buffer gasket avoids being in direct contact for baffle ring and guide holder, mitigates impact noise and plays very limited cushioning effect.
To obtain ideal buffering effect, body roll, automobile suspension system stretching travel is inhibited to reach limit of stretch position
The cushion effect of the one big peak value of generation is wished before setting.Return spring is usually placed on baffle ring, when damper is stretched to a positioning
When setting, the compressed generation bounce of spring, the damping force generated with valve system generates jointly inhibits suspension to continue the resistance stretched；This
Structure respectively installs plastic. buffer washer additional generally between spring and baffle ring, guide holder, but when spring compression is reduced to doubling-up, still can
It generates noise and apparent impact is felt.Also structure is that plastics spring is placed on baffle ring；Plastics spring deformable amount bigger rises
It to better cushioning effect, can inhibit to roll, and avoid metal spring and generate noise and impact in doubling-up；By material
The limitation of energy, height loss is serious during plastics spring use, causes damper maximum length that significantly variation occurs,
Harmful effect is caused to vehicle.
Invention content
The utility model discloses a kind of vehicle shock absorber hydraulic buffering mechanisms, multiple to solve to place on prior art baffle ring
Former spring has noise, impact sense, and height loss is serious during plastics spring use, and more apparent change occurs for damper maximum length
The problems such as changing, harmful effect caused to vehicle.
The utility model includes guide holder assembly, working cylinder, oil storage cylinder, sleeve, limit base, baffle ring, clamp spring, cushion pad
Circle, piston rod；Limit base includes circumferentially uniformly distributed convex surface, cascaded surface, upper notch, axial groove, lower notch；Sleeve fastening installation
On guide holder assembly；Working cylinder and sleeve fastening installation connection；Baffle ring is securedly mounted on piston rod；Limit base, which is located at, to be kept off
Circle top, is slidably matched, floating mount is between clamp spring and baffle ring with piston rod；Clamp spring is securedly mounted to the piston on baffle ring top
In bar card slot；In piston rod drawing process, oil chamber volume is compressed, and oil liquid pressure increases；Oil liquid pressure makes limit base and gear
Circle fitting, fluid are flowed out along the upper notch, axial groove, lower notch of limit base；Fluid gap between sleeve and limit base is flowed out,
It generates and piston rod is hindered to continue the flowed friction stretched, realize hydraulic cushion function；When piston rod compression movement, fluid reflux
Limit base is pushed to be contacted with top clamp spring, fluid is along lower notch, axial groove, cascaded surface, the smooth reflux of upper notch.
Flying height of the utility model limit base between clamp spring and baffle ring is 0.5mm-2mm.
The utility model, can be with by changing convex surface, cascaded surface, upper notch, axial groove, the lower notch area of limit base
The size of hydraulic cushion power is adjusted, that is, changes recovery damping force peak value.
The utility model sleeve includes circumferentially uniformly distributed horn-like groove, elongated slot, short slot；With damper be stretched to it is close
Maximum position, limit base enter sleeve, and horn-like groove, elongated slot, the short slot of the circumferentially uniformly distributed convex surface of limit base and sleeve are matched
Close throttling；Relative closure oil pocket, the convex surface of limit base and the horn-like groove of sleeve, elongated slot, short slot are formed in sleeve inner
Respective outer side edges so that orifice size is smoothly increased, it can be achieved that hydraulic cushion initial stage generate smaller resistance, eliminate hydraulic cushion resistance
Power phase step type is uprushed, and keeps hydraulic cushion power softer；Improve ride comfort.
The utility model by change sleeve horn-like groove, elongated slot, short groove area, and change limit base it is circumferentially equal
Convex surface area, the convex curve surface shape of cloth, change buffering initial stage damping force growth rate, and it is comfortable further to improve hydraulic cushion
Property.
The utility model is changed by changing sleeve axial length, realization hydraulic cushion power size with active position is started,
Meet different suspension travel needs.When damper is close to limit of stretch position, generated hydraulic cushion power is transported with piston rod
Dynamic speed increases and increases, and can generate powerful, continuous and smooth resistance.
The utility model has the positive effect that：Impact sense is eliminated, noise is avoided, inhibits vehicle roll.Relative to existing
Buffer structure, hydraulic cushion can generate smaller cushion effect in suspension low-speed motion, ensure comfort, while again can be
Quickly movement or fierce drive when under body quickly rolls provide prodigious hydraulic cushion power to severe road conditions lower suspension, avoid stretching
Impact and raising handling, while the height loss for avoiding existing buffer structure from being generated after Repeated Compression.
Description of the drawings
Fig. 1 is schematic diagram in the utility model structurally live stopper rod drawing process；
Fig. 2 is that the utility model structural vibration reduction device is stretched to close to maximum position schematic diagram；
Fig. 3 is the utility model quill side schematic diagram；
Fig. 4 is that the utility model limit base looks up axis side schematic diagram；
Fig. 5 is that the utility model limit base overlooks axis side schematic diagram；
Fig. 6 is the utility model performance curve schematic diagram；
In figure：1 guide holder assembly, 2 working cylinders, 3 oil storage cylinders, 4 sleeves, the horn-like grooves of 4a, 4b elongated slots, the short slots of 4c, 5 limits
Notch, 6 baffle rings, 7 clamp springs, 8 buffer gaskets, 9 pistons under position seat, 5a convex surfaces, 5b cascaded surfaces, the upper notches of 5c, 5d axial grooves, 5e
Bar.
Specific implementation mode
One embodiment of the utility model is described in detail below in conjunction with attached drawing.
The utility model embodiment is as shown in Figure 1 and Figure 2, including guide holder assembly 1, working cylinder 2, oil storage cylinder 3, sleeve 4,
Limit base 5, baffle ring 6, clamp spring 7, buffer gasket 8, piston rod 9.
As shown in Figure 1, Figure 2, Figure 3 shows, sleeve 4 includes circumferentially uniformly distributed horn-like groove 4a, elongated slot 4b, short slot 4c.
As shown in Figure 1, Figure 2, shown in Fig. 4, Fig. 5, limit base 5 includes circumferentially uniformly distributed convex surface 5a, cascaded surface 5b, upper notch
5c, axial groove 5d, lower notch 5e.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, sleeve 4 is securedly mounted on guide holder assembly 1；Working cylinder 2 and sleeve 4
Fastening installation connection；Baffle ring 6 is securedly mounted on piston rod 9；Limit base 5 is located above baffle ring 6, matches with the sliding of piston rod 9
It closes, floating mount is between clamp spring 7 and baffle ring 6；Clamp spring 7 is securedly mounted in 9 card slot of piston rod on 6 top of baffle ring；Limit base 5
Flying height between clamp spring 7 and baffle ring 6 is 0.5mm-2mm；In piston rod drawing process, oil chamber volume is compressed, oil
Hydraulic coupling increases；Oil liquid pressure makes limit base 5 and baffle ring 6 be bonded, upper notch 5c, axial groove 5d, lower slot of the fluid along limit base 5
Mouth 5e outflows can by changing convex surface 5a, cascaded surface 5b, upper notch 5c, axial groove 5d, the lower notch 5e areas of limit base 5
To adjust the size of hydraulic cushion power, that is, change recovery damping force peak value in Fig. 5 performance curve schematic diagrames；Fluid is from 4 He of sleeve
Gap is flowed out between limit base 5, generates and piston rod is hindered to continue the flowed friction stretched, realizes hydraulic cushion function.Work as piston
When bar compression movement, fluid reflux pushes limit base 5 to be contacted with top clamp spring 7, and fluid is along lower notch 5e, axial groove 5d, ladder
Face 5b, upper notch 5c reflux are smooth.
As damper is stretched to close to maximum position, limit base 5 enters sleeve 4, the circumferentially uniformly distributed convex surface of limit base 5
Horn-like groove 4a, elongated slot 4b, short slot the 4c cooperation of 5a and sleeve 4 throttle；Relative closure oil pocket, limit are formed inside sleeve 4
The convex surface 5a of position seat 5 and the respective outer side edges of the horn-like groove 4a of sleeve 4, elongated slot 4b, short slot 4c make orifice size smoothly increase
Add, realize and generate smaller resistance at hydraulic cushion initial stage, eliminates hydraulic cushion resistive force step formula and uprush, keep hydraulic cushion power more soft
With；Improve ride comfort.Change horn-like groove 4a, elongated slot 4b, the short slot 4c areas of sleeve 4, and changes limit base 5
Convex surface 5a areas, convex surface 5a shapes make buffering initial stage damping force growth rate change, and it is comfortable further to improve hydraulic cushion
Property；Change 4 axial length of sleeve, realizes that hydraulic cushion power size changes with active position is started, meet different suspension travel need
It wants.When damper is close to limit of stretch position, generated hydraulic cushion power increases with piston rod movement speed and is increased, production
Raw powerful, continuous and smooth resistance.
Claims (6)
1. a kind of vehicle shock absorber hydraulic buffering mechanism, including guide holder assembly, working cylinder, oil storage cylinder, sleeve, limit base, gear
Circle, clamp spring, buffer gasket, piston rod；It is characterized in that：Limit base include circumferentially uniformly distributed convex surface, cascaded surface, upper notch,
Axial groove, lower notch；Sleeve is securedly mounted on guide holder assembly；Working cylinder and sleeve fastening installation connection；Baffle ring fastening peace
Dress is on the piston rod；Limit base is located above baffle ring, is slidably matched with piston rod, floating mount is between clamp spring and baffle ring；
Clamp spring is securedly mounted in the piston rod card slot on baffle ring top；In piston rod drawing process, oil chamber volume is compressed, fluid pressure
Power increases；Oil liquid pressure makes limit base and baffle ring be bonded, and fluid is flowed out along the upper notch, axial groove, lower notch of limit base；Fluid
Gap is flowed out between sleeve and limit base, generates and piston rod is hindered to continue the flowed friction stretched, realizes hydraulic cushion function；
When piston rod compression movement, fluid reflux pushes limit base to be contacted with top clamp spring, and fluid is along lower notch, axial groove, ladder
Face, the smooth reflux of upper notch.
2. a kind of vehicle shock absorber hydraulic buffering mechanism according to claim 1, it is characterised in that：Limit base clamp spring with
Flying height between baffle ring is 0.5mm-2mm.
3. a kind of vehicle shock absorber hydraulic buffering mechanism according to claim 1, it is characterised in that：By changing limit base
Convex surface, cascaded surface, upper notch, axial groove, lower notch area, adjust hydraulic cushion power size.
4. a kind of vehicle shock absorber hydraulic buffering mechanism according to claim 1, it is characterised in that：Sleeve includes circumferential equal
Horn-like groove, elongated slot, the short slot of cloth；As damper is stretched to close to maximum position, limit base enters sleeve, limit base
The horn-like groove of convex surface and sleeve, elongated slot, the cooperation throttling of short slot；Relative closure oil pocket, limit base are formed in sleeve inner
Convex surface and the horn-like groove of sleeve, elongated slot, short slot respective outer side edges so that orifice size is smoothly increased.
5. a kind of vehicle shock absorber hydraulic buffering mechanism according to claim 4, it is characterised in that：By changing sleeve
Horn-like groove, elongated slot, short groove area, and change the circumferentially uniformly distributed convex surface area of limit base, convex curve surface shape, change slow
Rush initial stage damping force growth rate.
6. a kind of vehicle shock absorber hydraulic buffering mechanism according to claim 1 or claim 4, it is characterised in that：It is logical
Change sleeve axial length is crossed, realizes that hydraulic cushion power size changes with active position is started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492263.2U CN208057798U (en) | 2018-04-09 | 2018-04-09 | A kind of vehicle shock absorber hydraulic buffering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492263.2U CN208057798U (en) | 2018-04-09 | 2018-04-09 | A kind of vehicle shock absorber hydraulic buffering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208057798U true CN208057798U (en) | 2018-11-06 |
Family
ID=63984775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820492263.2U Expired - Fee Related CN208057798U (en) | 2018-04-09 | 2018-04-09 | A kind of vehicle shock absorber hydraulic buffering mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN208057798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541767A (en) * | 2018-11-21 | 2019-03-29 | 衡阳市光纤技术产学研管理有限公司 | Fiber optic cable fixes device |
-
2018
- 2018-04-09 CN CN201820492263.2U patent/CN208057798U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541767A (en) * | 2018-11-21 | 2019-03-29 | 衡阳市光纤技术产学研管理有限公司 | Fiber optic cable fixes device |
| CN109541767B (en) * | 2018-11-21 | 2020-10-09 | 衡阳市光纤技术产学研管理有限公司 | Optical fiber cable fixing device |
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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: 20181106 Termination date: 20200409 |