CN106801718B - A kind of combined shock absorber dustproof construction - Google Patents
A kind of combined shock absorber dustproof construction Download PDFInfo
- Publication number
- CN106801718B CN106801718B CN201710124245.9A CN201710124245A CN106801718B CN 106801718 B CN106801718 B CN 106801718B CN 201710124245 A CN201710124245 A CN 201710124245A CN 106801718 B CN106801718 B CN 106801718B
- Authority
- CN
- China
- Prior art keywords
- dust
- ring
- shock absorber
- dust cover
- annular groove
- 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.)
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 23
- 230000035939 shock Effects 0.000 title claims abstract description 23
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 118
- 210000004907 gland Anatomy 0.000 claims abstract description 25
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 238000003466 welding Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- -1 silt Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- F16F9/38—Covers for protection or appearance
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a kind of combined shock absorber dustproof constructions.Include: dustproof gland, be arranged the hydraulic cylinder upper end for being fixed on damper, the piston rod of damper is stretched out from its centre bore；The outer peripheral edge setting of the dustproof gland at least one of second annular groove；And dust cover, it is set on the oil storage cylinder of the damper, and upper end and the piston rod are fixed；It installs the ring seat, is arranged in the gap of the dust cover and oil storage cylinder, and be fixed on the inner surface of the dust cover lower part；It is described to install the ring seat setting at least one of first annular groove；Second dust ring is arranged in second annular groove, and second dust ring outer peripheral edge is against the dust-proof cover inner surface；The first dust ring inner peripheral is arranged in first annular groove against the oil storage cylinder outer surface in first dust ring.The beneficial effects of the present invention are: being equipped with the first dust ring and the second dust ring, the anti-dust performance of shock absorber dirt shield can be improved.
Description
Technical field
The present invention relates to vehicle shock absorber fields, and in particular to one kind can prevent damper cylinder interior enter silt,
The dustproof construction of the impurity such as water, dust.
Background technique
In rugged environment when driving, damper cylinder interior can enter the substances such as silt, water, dust to automobile, these
Substance is mixed into the oil liquid of damper, will affect the working performance of damper, thus reduce the working life of damper, generate it is different
Ring etc..Therefore dust-proof, waterproof, the structure of sediment prevention can be played when damper works by needing to design a kind of mechanism.
Summary of the invention
The purpose of the present invention is to provide a kind of combined shock absorber dustproof constructions, can prevent dust, water, silt from entering
In shock absorber oil cylinder.
The purpose of the present invention is to provide a kind of combined shock absorber dustproof constructions, can increase movement air flow from bottom to top
Resistance, reduce the resistance of from top to bottom movement air flow.
To achieve the above object, the present invention adopts the following technical scheme that, a kind of combined shock absorber dustproof construction, comprising:
Dustproof gland, is arranged the hydraulic cylinder upper end for being fixed on damper, and the piston rod of damper is stretched from its centre bore
Out；The outer peripheral edge setting of the dustproof gland at least one of second annular groove；And
Dust cover is set on the oil storage cylinder of the damper, and upper end and the piston rod are fixed；
It installs the ring seat, is arranged in the gap of the dust cover and oil storage cylinder, and be fixed on the dust cover lower part
Inner surface；It is described to install the ring seat setting at least one of first annular groove；
Second dust ring is arranged in second annular groove, and second dust ring outer peripheral edge is against the dust cover
Inner surface；
The first dust ring inner peripheral is arranged in first annular groove outside the oil storage cylinder in first dust ring
Surface；
Wherein, multiple first wedge grooves, the periphery setting of second dust ring is arranged in the inner circumferential of first dust ring
Multiple second wedge grooves.
Preferably, the width of first wedge groove and the second wedge groove from top to bottom gradually increases.
Preferably, dust-proof annular groove together is equipped on the dustproof gland ontology.
Preferably, the dust-proof annular groove of twice is equipped on the dustproof gland ontology.
Preferably, the dust cover includes:
Dust shroud, center are connect with piston rod；
Dust cover cylinder, the upper end are connect with dust shroud.
Preferably, the dust cover cylinder and dust shroud are fixed using spot welding.
Preferably, described to install the ring seat outside and dust cover cylinder welding, press fitting, rolling envelope connection.
Preferably, the dust cover lower inner wall has annular protrusion, and the mounting seat outer peripheral edge has groove, institute
It states annular protrusion and matches the groove.
Preferably, gap is equipped on first dust ring and the second dust ring, the gap is diagonal cut joint or rank
Ladder type opening.
The beneficial effects of the present invention are: 1, on the dustproof gland ontology be equipped with one or multi-channel dust-proof annular groove, in institute
It states and is equipped with dust ring in dust-proof annular groove, can be improved the anti-dust performance of dustproof gland；2, mounting ring is equipped in the dust cover
Seat is equipped with multiple tracks dustproof groove in described install the ring seat, and dust ring is equipped in the dustproof groove, improves the dust-proof of dust cover
Performance；3, it is provided with the first dust ring and the second dust ring, is respectively equipped with first on the first dust ring and the second dust ring
The groove width of wedge groove and the second wedge groove, the first wedge groove and the second wedge groove from top to bottom gradually increases, and can increase under
The resistance of air-flow is moved upwards, the resistance of movement air flow from top to bottom is reduced.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of combined shock absorber dustproof construction of the present invention；
Fig. 2 is the dustproof gland cross-sectional view that the dust-proof annular groove of twice is equipped in the present invention；
Fig. 3 is the dustproof gland cross-sectional view that dust-proof annular groove together is equipped in the present invention；
Fig. 4 is the cross-sectional view of dust cover in the present invention；
Fig. 5 is the top view of dust cover in the present invention；
Fig. 6 is the cross-sectional view installed the ring seat that rolling sealing groove is equipped in the present invention；
Fig. 7 is the schematic diagram that split shed shape of the present invention is stepped dust ring；
Fig. 8 is the schematic diagram for the dust ring that split shed shape of the present invention is diagonal cut joint；
Fig. 9 is the schematic diagram of the first dust ring in the present invention；
Figure 10 is the schematic diagram of the second dust ring in the present invention.
Specific embodiment
Invention is described in further detail with reference to the accompanying drawing, to enable those skilled in the art's refer to the instruction text
It can implement accordingly.
As Figure 1-10 shows, inventing the combined shock absorber dustproof construction 1 includes:
Dustproof gland 110 is arranged 220 upper end of hydraulic cylinder for being fixed on damper, and the piston rod 210 of damper is from its center
It is stretched out in hole；The outer peripheral edge setting of the dustproof gland 110 at least one of second annular groove 112；As a preference, described dust-proof
110 lids include: dustproof gland ontology 111, the second annular groove 112 and centre bore 114.Wherein, dustproof gland ontology 111 is by metal material
Material is made, and is equipped with axial centre bore 114 on the dustproof gland ontology 111, the lower part of dustproof gland ontology 111 with it is described
The oil storage cylinder upper end upper end of damper matches；At least the outer of the dustproof gland ontology 111 is arranged in the second annular groove 112 together
Periphery, for accommodating the second dust ring 113.
Dust cover 120 is set on the oil storage cylinder 210 of the damper, and upper end and the piston rod 210 are fixed；It is anti-
The lower end of dust hood 120 is set in the top of the oil storage cylinder 220.As a preference, the dust cover 120 includes: dust cover
Lid 121, dust cover cylinder 122.The center of dust shroud 121 is connect with piston rod 210；122 upper end of dust cover cylinder and dust shroud
121 connections.
It installs the ring seat 123 to be arranged in the gap of the dust cover 120 and oil storage cylinder 220, and is fixed on described dust-proof
Cover the inner surface of 120 lower parts；It is described to install the ring seat 123 settings at least together the first annular groove 123b.
Second dust ring 113 is arranged in second annular groove 112, and 113 outer peripheral edge of the second dust ring is against described
120 inner surface of dust cover；The inner circumferential of second dust ring 113 is close to the slot bottom of the first annular groove.As a preference, described
Two dust rings 113 are made of polytetrafluoroethylene (PTFE) or polyurathamc.
It is arranged in the first annular groove 123b first dust ring 124, and 124 inner peripheral of the first dust ring is against institute
State 220 outer surface of oil storage cylinder；It is close to the slot bottom of the second annular groove in the periphery of first dust ring 124.As a preference, described
Second dust ring 124 is made of polytetrafluoroethylene (PTFE) or polyurathamc.
Wherein, the wedge shape of the first wedge groove 124b and second is respectively equipped on the first dust ring 124 and the second dust ring 113
Slot 113b.As a preference, the groove width of the first wedge groove 124b and the second wedge groove 113b from top to bottom gradually increase, it can
Increase the resistance of movement air flow from bottom to top, reduces the resistance of movement air flow from top to bottom.
In use, 124 inner peripheral of the first dust ring is against 220 outer surface of oil storage cylinder, and described second
113 outer peripheral edge of dust ring can only pass through the first wedge groove 124b and the second wedge groove against 120 inner surface of dust cover, air-flow
113b circulation, so as to prevent dust, water, silt from entering in shock absorber oil cylinder.
In another embodiment, the groove width of the first wedge groove 124b and the second wedge groove 113b from top to bottom gradually increase
Add, so as to increase the resistance of movement air flow from bottom to top, reduces the resistance of movement air flow from top to bottom.Further prevent powder
Dirt, water, silt enter in shock absorber oil cylinder.
In another embodiment, dust-proof annular groove 123b together is equipped on the dustproof gland ontology 111.
In another embodiment, the dust-proof annular groove 123b of twice is equipped on the dustproof gland ontology 111.
In another embodiment, the dust cover 120 include: the dust cover 120 include: dust shroud 121, it is dust-proof
Cover cylinder 122.121 center of dust shroud is connect with piston rod 210；The upper end of dust cover cylinder 122 is connect with dust shroud 121.
In another embodiment, the dust cover cylinder 122 is connect by the way of spot welding with dust shroud 121.It is dust-proof
Pad 121b between cover cylinder 122 and dust shroud 121 can ensure that dust cover cylinder 122 is firmly connect with dust shroud 121,
Ventilation gap 121a between dust cover cylinder 122 and dust shroud 121 can guarantee that damper is taken a breath smoothness during the work time.
In another embodiment, the outside 123 that installs the ring seat is welded to connect with dust cover cylinder 122.
In another embodiment, the outside 123 that installs the ring seat is connected with the press fitting of dust cover cylinder 122.
In another embodiment, described to install the ring seat outside 123 and the rolling envelope connection of dust cover cylinder 122.
In another embodiment, 120 lower inner wall of dust cover has annular protrusion, the mounting seat outer peripheral edge
With groove 132, the annular protrusion matches the groove.
In another embodiment, opening, such as Fig. 7-8 are equipped on first dust ring 124 and the second dust ring 113
In 124a, the opening is diagonal cut joint or stepped opening.
A kind of combined shock absorber dustproof construction 1 of the present invention as described above is equipped with one on the dustproof gland ontology 111
Road or the second annular groove of multiple tracks 112 are equipped with dust ring 133 in second annular groove 112, can be improved the dust tightness of dustproof gland
Energy；It is equipped in the dust cover 120 and installs the ring seat 123, be equipped with multiple tracks dustproof groove 123b in 123 in described install the ring seat,
Be equipped with the first dust ring 124 in the dustproof groove 123b, improve the anti-dust performance of dust cover 120, the first wedge groove 124b and
The groove width of second wedge groove 113b from top to bottom gradually increases, and can increase the resistance of movement air flow from bottom to top, reduces by upper
To the resistance of lower movement air flow.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (9)
1. a kind of combined shock absorber dustproof construction characterized by comprising
Dustproof gland, is arranged the hydraulic cylinder upper end for being fixed on damper, and the piston rod of damper is stretched out from its centre bore；Institute
State outer peripheral edge setting at least one of second annular groove of dustproof gland；And
Dust cover is set on the oil storage cylinder of the damper, and upper end and the piston rod are fixed；
It installs the ring seat, is arranged in the gap of the dust cover and oil storage cylinder, and be fixed on the interior of the dust cover lower part
Surface；It is described to install the ring seat setting at least one of first annular groove；
Second dust ring is arranged in second annular groove, second dust ring outer peripheral edge table in the dust cover
Face；
First dust ring is arranged in first annular groove, and the first dust ring inner peripheral is against the oil storage cylinder appearance
Face；
Wherein, multiple first wedge grooves are arranged in the inner circumferential of first dust ring, and the periphery setting of second dust ring is multiple
Second wedge groove.
2. combined shock absorber dustproof construction according to claim 1, it is characterised in that: first wedge groove and second
The width of wedge groove from top to bottom gradually increases.
3. combined shock absorber dustproof construction according to claim 2, it is characterised in that: on the dustproof gland ontology
Equipped with dust-proof annular groove together.
4. combined shock absorber dustproof construction according to claim 2, it is characterised in that: on the dustproof gland ontology
Equipped with the dust-proof annular groove of twice.
5. combined shock absorber dustproof construction according to claim 2, which is characterized in that the dust cover includes:
Dust shroud, center are connect with piston rod；
Dust cover cylinder, the upper end are connect with dust shroud.
6. combined shock absorber dustproof construction according to claim 5, it is characterised in that: the dust cover cylinder and dust cover
Lid is fixed using spot welding.
7. combined shock absorber dustproof construction according to claim 5, it is characterised in that: described to install the ring seat outside and institute
It states dust cover and passes through welding, press fitting, rolling envelope connection.
8. combined shock absorber dustproof construction according to claim 5, it is characterised in that: the dust cover lower inner wall tool
There is annular protrusion, with groove, the annular protrusion matches the groove for the outer peripheral edge that installs the ring seat.
9. combined shock absorber dustproof construction according to claim 1, it is characterised in that: in first dust ring and
Two dust rings are equipped with gap, and the gap is diagonal cut joint or stepped opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710124245.9A CN106801718B (en) | 2017-03-03 | 2017-03-03 | A kind of combined shock absorber dustproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710124245.9A CN106801718B (en) | 2017-03-03 | 2017-03-03 | A kind of combined shock absorber dustproof construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106801718A CN106801718A (en) | 2017-06-06 |
| CN106801718B true CN106801718B (en) | 2019-03-05 |
Family
ID=58987614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710124245.9A Active CN106801718B (en) | 2017-03-03 | 2017-03-03 | A kind of combined shock absorber dustproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106801718B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4777793B2 (en) * | 2006-02-10 | 2011-09-21 | カヤバ工業株式会社 | gas spring |
| JP2009204095A (en) * | 2008-02-28 | 2009-09-10 | Hitachi Ltd | Cylinder device |
| CN201241936Y (en) * | 2008-07-28 | 2009-05-20 | 中航飞机起落架有限责任公司 | Scraping-proof vibration damper for automobile |
| JP5941357B2 (en) * | 2012-07-03 | 2016-06-29 | Ｋｙｂ株式会社 | Railcar shock absorber |
| CN203297468U (en) * | 2013-05-22 | 2013-11-20 | 宁波南方减震器制造有限公司 | Double-valve spring shock absorber |
| CN203939912U (en) * | 2014-05-28 | 2014-11-12 | 潍坊合力气动器件有限公司 | A kind of air spring |
-
2017
- 2017-03-03 CN CN201710124245.9A patent/CN106801718B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106801718A (en) | 2017-06-06 |
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Address after: 121000 no.8-1 Bohai street, Jinzhou Economic and Technological Development Zone, Liaoning Province Patentee after: Jinzhou Dongpeng Automotive Damping System Co.,Ltd. Address before: 121000 no.8-1 Bohai street, Jinzhou Economic and Technological Development Zone, Liaoning Province Patentee before: JINZHOU LEADER SHOCK ABSORBER Co.,Ltd. |