CN207539252U - A kind of sand-proof oleo-gear - Google Patents
A kind of sand-proof oleo-gear Download PDFInfo
- Publication number
- CN207539252U CN207539252U CN201721658615.9U CN201721658615U CN207539252U CN 207539252 U CN207539252 U CN 207539252U CN 201721658615 U CN201721658615 U CN 201721658615U CN 207539252 U CN207539252 U CN 207539252U
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- proof
- cylinder end
- piston rod
- oleo
- telescopic dust
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Abstract
The utility model is related to a kind of sand-proof oleo-gears,Including shock absorber body,The cylinder end composition that the shock absorber body includes piston rod and prevents piston rod movable part from revealing,The cylinder end composition is externally provided with Telescopic dust-proof set,The Telescopic dust-proof is put on to be connect close to one end of cylinder end composition with the external screw-thread that cylinder end forms,The screw thread mouth of the Telescopic dust-proof set is externally provided with a circle reinforcing ring,Bracing means is equipped between the reinforcing ring and cylinder end composition outer end,The Telescopic dust-proof set other end is equipped with abutting portion,The abutting portion is connected on piston rod,The abutting portion is equipped with the clamp device being clamped in abutting portion on piston rod,The bracing means includes being set on the circle convex block outside cylinder end composition,Reinforcing screw is installed between the reinforcing ring and convex block,Telescopic dust-proof set is connected to using dismountable mode on cylinder end group valency and piston rod in the utility model,Convenient for being replaced after damaged aging.
Description
Technical field
The utility model is related to damper field, more particularly to a kind of sand-proof oleo-gear.
Background technology
With the raising of the transit equipments speed per hour such as rail vehicles, the requirement to its antidetonation element is also higher and higher.Oil
Pressure damper is the element that damping is provided in rolling stock suspension, it can decay various forms of caused by various factors shake
Dynamic, the comfort of safety and driving to rolling stock operation has important influence.Oil-pressure damper is by stretching, compressing
Piston rod back and forth movement forms hydraulic damping power and achievees the purpose that vibration damping, has good damping effect and flexible vibration damping
How effect since piston rod needs frequently move up and down in oleo-gear, effectively seals and dust-proof as weight
The problem of wanting.
The Chinese patent of existing Publication No. CN2495849 discloses a kind of sealing structure of oleo-gear, including
One piston component, a cylinder end assemblies, oil-sealing arrangement and dust guard are equipped in the cylinder end assemblies, and oil-sealing arrangement uses a ripple
Sealing ring, the sealing ring upper end inner ring coordinate with piston rod, and lower end is fixed on cylinder end, and centre is in corrugated tube shape.In sealing ring
Outer dust guard, the sealing cover including internal layer, the dirt-proof boot of outer layer, outermost dust cover, the present apparatus substantially prolongs close
The service life of seal, the abrasion and the pollution to hydraulic oil that strict dust guard decreases sealing ring extend the use of oil
Service life.
But prevent dust from entering in piston rod, and its end is fixed using undulatory dust cover in the technical solution
In cylinder end, dust cover for a long time using occur it is damaged after replace it is more inconvenient.
Utility model content
The technical purpose of the utility model is to provide a kind of sand-proof oleo-gear, can be easily to telescopic anti-
Dirt set is replaced.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of sand-proof oleo-gear, including shock absorber body, the shock absorber body includes piston rod and prevents from living
The cylinder end composition of stopper rod movable part leakage, the cylinder end composition are externally provided with Telescopic dust-proof set, and the Telescopic dust-proof is put on
It is connect close to one end of cylinder end composition with the external screw-thread that cylinder end forms, the screw thread mouth of the Telescopic dust-proof set is externally provided with a circle
Reinforcing ring is equipped with bracing means between the reinforcing ring and cylinder end composition outer end, the Telescopic dust-proof set other end, which is equipped with, to be pushed against
Portion, the abutting portion are connected on piston rod, and the abutting portion is equipped with the clamp device being clamped in abutting portion on piston rod.
By using above-mentioned technical proposal, Telescopic dust-proof set is close to one end of cylinder end composition with cylinder end composition using screw thread
Connection to ensure the tight type of connection, and is moved up and down along piston rod since Telescopic dust-proof set need to be sheathed on after piston rod, is adopted
The mode being threadedly coupled may make Telescopic dust-proof be sleeved on loosened in frequent movement after fall, therefore, flexible
One circle reinforcing ring outside the screw thread mouth of formula dirt-proof boot is set, and bracing means is set to reinforcing between reinforcing ring and cylinder end composition
Ring is fixed, and is connected on cylinder end composition so as to ensure that Telescopic dust-proof set is stable；It is another on Telescopic dust-proof set
End is equipped with abutting portion, and abutting portion is clamped on piston rod by abutting portion by clamp device, so as to ensure Telescopic dust-proof set
Piston rod surface is fixed in one end far from cylinder end composition.
Further, the bracing means includes being set on the circle convex block outside cylinder end composition, the reinforcing ring and convex block
Between be installed with reinforcing screw.
It is raised in one circle of external setting of cylinder end composition by using above-mentioned technical proposal, between protrusion and reinforcing ring
Reinforcing screw is equipped with, raised thickness is more than the thickness for reinforcing screw, therefore, reinforces screw and penetrates in protrusion and reinforcing ring
Afterwards, reinforcing ring is securable on cylinder end composition, and Telescopic dust-proof set is fixed on to the end of cylinder end composition, Telescopic dust-proof set
It is fallen in moving process.
Further, the clamp device includes being set on the bracket of the annular in abutting portion peripheral surface, the fastening
The fastening bolt for adjusting both ends distance is connected between both ends.
By using above-mentioned technical proposal, clamp device includes being set on the bracket of the annular in abutting portion peripheral surface,
The length of bracket is less than the diameter of abutting portion peripheral surface, and the distance at adjusting both ends is connected on the end of two brackets
Fastening bolt, therefore, bracket can be clamped on the peripheral surface in abutting portion by screwing fastening bolt, make abutting portion firmly solid
Enter in oleo-gear ontology due on piston rod, avoiding external dust.
Further, the Telescopic dust-proof set is made of dustcloth, and wire loop branch is equipped in the Telescopic dust-proof set
Support.
By using above-mentioned technical proposal, Telescopic dust-proof set is made of dustcloth, and dustcloth has preferable flexible
Property, breakage will not occur after folding for repeatedly compression, while can extraneous dust impurities be generated with preferable isolation effect, while
The wire loop that is internally provided with of Telescopic dust-proof set is supported, it is ensured that Telescopic dust-proof set, will not with stable state
Be distorted breakage after Telescopic dust-proof covers multiple telescopic moving.
Further, the Telescopic dust-proof is put on has a secondary oil-scraping ring close to one end of cylinder end composition, and described two
Secondary oil-scraping ring is pushed against on piston rod.
By using above-mentioned technical proposal, the side-lower close to cylinder end composition on Telescopic dust-proof set sets secondary scrape
Oil ring, the shock absorber fluid leaked out during can cylinder end be formed strike off, and cylinder end is avoided to leak out shock absorber fluid, and to this part in forming
Shock absorber fluid is struck off, and ensures the stabilization of entire oil piping system.
Further, the secondary oil-scraping ring is made of rubber, and metallic framework is equipped in the secondary oil-scraping ring.
By using above-mentioned technical proposal, secondary oil-scraping ring is made using rubber material, rubber has preferable wearability,
Simultaneously, it is ensured that do not deform or damage after repeatedly sliding on the piston rod；Metallic framework is equipped in secondary oil-scraping ring, it can
Effectively ensure the stabilization of the shape of secondary oil-scraping ring, breakage will not occur in the movement of secondary oil-scraping ring.
Further, the metallic framework stretches out secondary oil-scraping ring after secondary oil-scraping ring, and the metallic framework both ends are set
There is the tensioning mechanism for tensing metallic framework.
By using above-mentioned technical proposal, metallic framework around secondary oil-scraping ring the secondary oil-scraping ring of stretching after a week, in gold
Can effectively metallic framework be tensed by belonging to the tensioning mechanism of the tension metallic framework of the both ends setting of skeleton, secondary so as to ensure
Oil-scraping ring is pushed against on piston rod, and effectively the shock absorber fluid leaked out on piston rod surface is struck off.
Further, the tensioning mechanism includes being set on the intermeshing corner block in metallic framework both ends, the metal bone
Corner block engagement place is externally provided with gripping block on frame.
By using above-mentioned technical proposal, tensioning mechanism is set as the corner block of mutual kernel, and in the engagement place of corner block
Outer setting gripping block, gripping block can effectively clamp the both ends of metallic framework, it is avoided to move.
In conclusion the utility model has the advantages that：
1st, dismountable mode is respectively adopted at the both ends of Telescopic dust-proof set to be fixed, effectively ensures telescopic anti-
It is easily replaced after dirt set is damaged；
The 2nd, secondary oil-scraping ring is set, the shock absorber fluid leaked out in cylinder end assemblies is struck off, shock absorber fluid is avoided to enter
Outside influences the using effect of device.
Description of the drawings
Fig. 1 is a kind of explosive view of sand-proof oleo-gear；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is a kind of sectional view of sand-proof oleo-gear；
Fig. 4 is a kind of metal framework structure schematic diagram of sand-proof oleo-gear.
In figure, 1, shock absorber body；2nd, cylinder end forms；3rd, piston rod；4th, Telescopic dust-proof set；41st, reinforcing ring；411st, add
Gu screw；412nd, bulge loop；42nd, abutting portion；421st, bracket；422nd, fastening bolt；43rd, wire loop；5th, secondary oil-scraping ring；51、
Metallic framework；511st, corner block；512nd, gripping block.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment：
A kind of sand-proof oleo-gear, with reference to Fig. 1 and Fig. 3, including shock absorber body 1, shock absorber body 1 includes piston
Bar 3 and on piston rod 3 and prevent 3 movable part of piston rod leakage shock absorber fluid cylinder end composition 2, cylinder end composition 2 outside
Equipped with Telescopic dust-proof set 4, Telescopic dust-proof set 4 is made of dustcloth, is internally provided with wire loop 43（With reference to Fig. 4）To telescopic
The skeleton of dustcloth is supported, and Telescopic dust-proof set 4 is set on outside cylinder end composition 2 entrance for preventing dust storm dust.
To ensure that Telescopic dust-proof set 4 is conveniently replaceable, with reference to Fig. 2, the one of close cylinder end composition 2 on Telescopic dust-proof set 4
Side is threadedly coupled with cylinder end composition 2, to prevent Telescopic dust-proof set 4 from being loosened in frequently moving up and down, telescopic
The outer end of the screw thread mouth of dirt-proof boot 4 is equipped with the reinforcing ring 41 perpendicular to piston rod 3, is set between reinforcing ring 41 and cylinder end composition 2
Are formed by 2 and is reinforced for the Telescopic dust-proof set 4 after threaded connection and cylinder end by bracing means, in the present embodiment, bracing means
Including the circle protrusion being set on outside cylinder end composition 2, it is equipped between reinforcing ring 41 and protrusion and reinforces screw 411, so as to ensure to stretch
Contracting formula dirt-proof boot 4 is installed firm；The other end is equipped with the abutting portion 42 being coated on piston rod 3 on Telescopic dust-proof set 4, is
Ensure that abutting portion 42 is clamped on piston rod 3, the clamp device for clamping abutting portion 42, the present embodiment are equipped in abutting portion 42
In, clamp device includes being set on the bracket 421 of the annular in 42 peripheral surface of abutting portion, and bracket 421 uses metal material,
The fastening bolt 422 of the distance at the both ends for adjusting bracket 421 is connected between the both ends of bracket 421, screws fastening bolt
422 can tense bracket 421, so as to which abutting portion 42 be made to be clamped on piston rod 3.
To strengthen the using effect of damper, the leakage of shock absorber fluid is avoided, with reference to Fig. 2 and Fig. 4, in Telescopic dust-proof
Secondary oil-scraping ring 5 is additionally provided under one end of cylinder end composition 2, secondary oil-scraping ring 5 is pushed against on piston rod 3, secondary to scrape on set 4
Oil ring 5 is made, and secondary oil-scraping ring 5 is internally provided with metallic framework 51 using rubber material, so as to effectively ensure secondary scrape
The stabilization of the shape of oil ring 5；Metallic framework 51 stretches out secondary oil-scraping ring 5 after secondary oil-scraping ring 5, at the both ends of metallic framework 51
The tensioning mechanism for tensing metallic framework 51 is additionally provided with, in the present embodiment, tensioning mechanism includes the intermeshing corner block in both ends
511, the engagement place of the three-level block at both ends is externally provided with the gripping block 512 for clamping corner block 511, and gripping block 512 uses metal clipping
Into.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model by Patent Law.
Claims (8)
1. a kind of sand-proof oleo-gear, including shock absorber body (1), the shock absorber body (1) including piston rod (3) and
The cylinder end composition (2) that piston rod (3) movable part is revealed is prevented, the cylinder end composition (2) is externally provided with Telescopic dust-proof set (4),
It is characterized in that：Close to one end of cylinder end composition (2) and the external screw-thread of cylinder end composition (2) on the Telescopic dust-proof set (4)
Connection, the screw thread mouth of the Telescopic dust-proof set (4) are externally provided with a circle reinforcing ring (41), and the reinforcing ring (41) forms with cylinder end
(2) bracing means is equipped between outer end, Telescopic dust-proof set (4) other end is equipped with abutting portion (42), the abutting portion (42)
It is connected on piston rod (3), the abutting portion (42) is equipped with the fastening that abutting portion (42) are clamped on piston rod (3) and fills
It puts.
2. a kind of sand-proof oleo-gear according to claim 1, it is characterised in that：The bracing means includes being set on
The external circle convex block of cylinder end composition (2), the reinforcing ring (41) is installed between convex block reinforces screw (411).
3. a kind of sand-proof oleo-gear according to claim 1, it is characterised in that：The clamp device includes being set on
The bracket (421) of annular in abutting portion (42) peripheral surface, be connected between bracket (421) both ends adjust both ends away from
From fastening bolt (422).
4. a kind of sand-proof oleo-gear according to claim 1, it is characterised in that：The Telescopic dust-proof set (4)
It is made of dustcloth, wire loop (43) is equipped in the Telescopic dust-proof set (4) and is supported.
5. a kind of sand-proof oleo-gear according to claim 1, it is characterised in that：The Telescopic dust-proof set (4)
Upper one end close to cylinder end composition (2) has secondary oil-scraping ring (5), and the secondary oil-scraping ring (5) is pushed against in piston rod (3)
On.
6. a kind of sand-proof oleo-gear according to claim 5, it is characterised in that：The secondary oil-scraping ring (5) is adopted
It is made of rubber, metallic framework (51) is equipped in the secondary oil-scraping ring (5).
7. a kind of sand-proof oleo-gear according to claim 6, it is characterised in that：The metallic framework (51) is around two
Secondary oil-scraping ring (5) stretches out secondary oil-scraping ring (5) afterwards, and metallic framework (51) both ends are equipped with the tension for tensing metallic framework (51)
Mechanism.
8. a kind of sand-proof oleo-gear according to claim 7, it is characterised in that：The tensioning mechanism includes being set on
The intermeshing corner block in metallic framework (51) both ends (511), corner block (511) engagement place peripheral hardware on the metallic framework (51)
There is gripping block (512).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721658615.9U CN207539252U (en) | 2017-12-01 | 2017-12-01 | A kind of sand-proof oleo-gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721658615.9U CN207539252U (en) | 2017-12-01 | 2017-12-01 | A kind of sand-proof oleo-gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207539252U true CN207539252U (en) | 2018-06-26 |
Family
ID=62616494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721658615.9U Active CN207539252U (en) | 2017-12-01 | 2017-12-01 | A kind of sand-proof oleo-gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207539252U (en) |
-
2017
- 2017-12-01 CN CN201721658615.9U patent/CN207539252U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 226100 No. 508, Oujiang Middle Road, Binjiang street, Haimen District, Nantong City, Jiangsu Province Patentee after: Nantong Hongda rail transit Parts Co.,Ltd. Address before: Room C, workshop 33, Wanzhong Industrial Park, Haimen town, Haimen City, Nantong City, Jiangsu Province, 226100 Patentee before: HAIMEN HONGDA RAILWAY LOCOMOTIVE PARTS Co.,Ltd. |
|
| CP03 | Change of name, title or address |