CN207661052U - A kind of oil-leakage-prevention hydraulic damper - Google Patents
A kind of oil-leakage-prevention hydraulic damper Download PDFInfo
- Publication number
- CN207661052U CN207661052U CN201721872339.6U CN201721872339U CN207661052U CN 207661052 U CN207661052 U CN 207661052U CN 201721872339 U CN201721872339 U CN 201721872339U CN 207661052 U CN207661052 U CN 207661052U
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- CN
- China
- Prior art keywords
- piston rod
- dust
- shock absorber
- oil
- absorber cylinder
- 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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Abstract
The utility model discloses a kind of oil-leakage-prevention hydraulic damper,Including seal,Dedusting pad,First dust-extraction unit and the second dust-extraction unit,Seal realizes the close contact with piston rod by using rubber material,Dust in air etc. is avoided to enter the lip of oil sealing by the gap between seal and piston rod when piston rod moves up and down in shock absorber cylinder body,To prevent oil sealing from the case where oil leak occur,It ensure that the damping performance of hydraulic damper,By the way that dedusting pad is arranged for being removed to the dust etc. of adhesion on piston rod side,Avoid the dust etc. of adhesion on piston rod that piston rod is followed to enter in shock absorber cylinder body,Enter the lip of oil sealing to further avoid dust etc. by the gap between seal and piston rod,Further improve the oil-leakage-prevention performance of equipment,The purpose that comprehensive dedusting is carried out to piston rod is realized by the first dust-extraction unit of setting and the second dust-extraction unit.
Description
Technical field
The utility model is related to a kind of hydraulic damper, specifically a kind of oil-leakage-prevention hydraulic damper.
Background technology
Motorcycle vibration absorber is the resilient connection force transferring part between wheel and car body, for supporting the weight of car body and delaying
With road not usually to the vibrations of vehicle and impact.Currently, conventional hydraulic damper service life is short, easy oil leakage.Primary structure
It is an iron washer for rear cylinder body sealing top, dust impurity enters oil seal lip easily in the gap of piston rod and iron gasket
Mouthful, lead to oil leak, seriously affects the performance of damper.
Utility model content
The purpose of this utility model is to provide a kind of oil-leakage-prevention hydraulic damper, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides the following technical solutions：
A kind of oil-leakage-prevention hydraulic damper, including the first dust-extraction unit, sealing mat, oil sealing, shock absorber cylinder, piston head,
Piston rod and the second dust-extraction unit, the shock absorber cylinder inner upper are provided with sealing mat, and the sealing mat includes supporter
And seal, the supporter shock absorber cylinder inner wall are fixedly connected, and seal, the sealing are fixedly installed at the top of supporter
Body is rubber material, and piston rod is coaxially arranged in the shock absorber cylinder body, is located at below sealing mat in the shock absorber cylinder body
Position be provided with oil sealing, the oil sealing is fixedly connected with shock absorber cylinder inner wall, is located under oil sealing in the shock absorber cylinder body
The position of side is provided with piston head, and the through-hole passed through for piston rod, the damping are offered on the oil sealing and sealing mat
It is located on the position of piston rod both sides at the top of device cylinder and is symmetrically arranged with the first dust-extraction unit and the second dust-extraction unit, described first
Dust-extraction unit includes fixed seat, sliding bar, push plate, spring and sliding groove, and the fixed seat is fixedly mounted on shock absorber cylinder top
Portion offers sliding groove in the fixed seat, in the sliding groove sliding be provided with sliding bar, sliding bar stretches out the one of sliding groove
Push plate is installed on end, opened up in the push plate it is fluted, be located in the sliding groove sliding bar and sliding groove inner wall it
Between position on be provided with spring, be provided with dedusting pad on the groove inner wall.
As further program of the utility model：The groove is semi-circular recesses, the radius and piston of the groove
The radius of bar is identical.
As the utility model further scheme：The dedusting pad is abrasive rubber material.
As the utility model further scheme：The structure phase of first dust-extraction unit and the second dust-extraction unit
Together.
As the utility model further scheme：The piston head is fixedly mounted on piston rod and is stretched by nut to be subtracted
Shake one end in device cylinder, the other end of piston rod, which passes through, stretches out shock absorber cylinder after oil sealing and sealing mat, the supporter and
The through-hole passed through for piston rod is offered on the center of seal.
Compared with prior art, the utility model has the beneficial effects that：Seal by using rubber material realize with
The close contact of piston rod avoids dust in air etc. from passing through seal when piston rod moves up and down in shock absorber cylinder body
Gap between piston rod enters the lip of oil sealing, to prevent oil sealing from the case where oil leak occur, ensure that hydraulic damper
Damping performance, improve the practicability of equipment, by be arranged dedusting pad be used for dust of adhesion on piston rod side etc. into
Row removal, avoids the dust etc. of adhesion on piston rod that piston rod is followed to enter in shock absorber cylinder body, to further avoid dust
Deng the lip for entering by the gap between seal and piston rod oil sealing, the oil-leakage-prevention performance of equipment is further improved, is led to
Crossing the first dust-extraction unit of setting and the second dust-extraction unit realizes the purpose that comprehensive dedusting is carried out to piston rod, further improves
The practicability of equipment.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of oil-leakage-prevention hydraulic damper.
Fig. 2 is a kind of structural schematic diagram of the first dust-extraction unit in oil-leakage-prevention hydraulic damper.
Fig. 3 is a kind of vertical view of the first dust-extraction unit in oil-leakage-prevention hydraulic damper.
As shown in the figure：First dust-extraction unit 1, sealing mat 2, oil sealing 3, shock absorber cylinder 4, piston head 5, nut 6, piston rod
7, supporter 8, seal 9, the second dust-extraction unit 10, fixed seat 11, sliding bar 12, push plate 13, spring 14, sliding groove 15, remove
Dirt pad 16, groove 17.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1~3, in the utility model embodiment, a kind of oil-leakage-prevention hydraulic damper, including the first dust-extraction unit
1, sealing mat 2, oil sealing 3, shock absorber cylinder 4, piston head 5, nut 6, piston rod 7, supporter 8, seal 9, the second dedusting dress
10 are set, 4 inner upper of the shock absorber cylinder is provided with sealing mat 2, and the sealing mat 2 includes supporter 8 and seal 9, institute
It states 8 shock absorber cylinder of supporter, 4 inner wall to be fixedly connected, 8 top of supporter is fixedly installed seal 9, and the seal 9 is rubber
Glue material matter, is coaxially arranged with piston rod 7 in the shock absorber cylinder 4, positioned at 2 lower section of sealing mat in the shock absorber cylinder 4
Position is provided with oil sealing 3, and the oil sealing 3 is fixedly connected with 4 inner wall of shock absorber cylinder, and oil sealing 3 is located in the shock absorber cylinder 4
The position of lower section is provided with piston head 5, and the through-hole passed through for piston rod 7, institute are offered on the oil sealing 3 and sealing mat 2
It states piston head 5 piston rod 7 is fixedly mounted on by nut 6 and stretch into one end in shock absorber cylinder 4, the other end of piston rod 7 is worn
It crosses and stretches out shock absorber cylinder 4 after oil sealing 3 and sealing mat 2, opened up on the center of the supporter 8 and seal 9 useful
In the through-hole that piston rod 7 passes through, seal 9 realizes the close contact with piston rod 7 by using rubber material, avoids air
In dust etc. when piston rod 7 moves up and down in shock absorber cylinder 4 by the gap between seal 9 and piston rod 7 into
The lip for entering oil sealing 3 ensure that the damping performance of hydraulic damper, improve and set to prevent oil sealing 3 from the case where oil leak occur
Standby practicability；
The top of the shock absorber cylinder 4, which is located on the position of 7 both sides of piston rod, is symmetrically arranged with the first dust-extraction unit 1 and the
Two dust-extraction units 10, first dust-extraction unit 1 include fixed seat 11, sliding bar 12, push plate 13, spring 14 and sliding groove 15,
The fixed seat 11 is fixedly mounted on 4 top of shock absorber cylinder, and sliding groove 15, the sliding groove are offered in the fixed seat 11
Sliding is provided with sliding bar 12 in 15, and push plate 13, the push plate are installed on one end of the stretching sliding groove 15 of sliding bar 12
Fluted 17 are opened up on 13, the groove 17 is semi-circular recesses, and the radius of the groove 17 is identical as the radius of piston rod 7,
It is provided with spring 14 on position in the sliding groove 15 between 15 inner wall of sliding bar 12 and sliding groove, sliding bar 12 is in bullet
It pushes the groove 17 in push plate 13 to be moved under the action of 14 elastic force of spring to be bonded with the side of piston rod 7,17 inner wall of the groove
On be provided with dedusting pad 16, the dedusting pad 16 is abrasive rubber material, is used for 7 side of piston rod by the way that dedusting pad 16 is arranged
The dust etc. of upper adhesion is removed, and avoids the dust etc. of adhesion on piston rod 7 that piston rod 7 is followed to enter in shock absorber cylinder 4,
The lip for entering oil sealing 3 to further avoid dust etc. by the gap between seal 9 and piston rod 7, further increases
The oil-leakage-prevention performance of equipment, first dust-extraction unit 1 is identical with the structure of the second dust-extraction unit 10, is removed by setting first
Dirt device 1 and the second dust-extraction unit 10 realize the purpose that comprehensive dedusting is carried out to piston rod 7, further improve the reality of equipment
The property used.
The operation principle of the utility model is：Seal 9 is realized by using rubber material and is connect with the close of piston rod 7
Touch, avoid dust in air etc. when piston rod 7 moves up and down in shock absorber cylinder 4 by seal 9 and piston rod 7 it
Between gap enter the lip of oil sealing 3 and ensure that the damping property of hydraulic damper to prevent oil sealing 3 from the case where oil leak occur
Can, the practicability of equipment is improved, sliding bar 12 pushes push plate 13 to be moved to and piston rod 7 under the action of 14 elastic force of spring
Side is bonded, and by the way that dedusting pad 16 is arranged for being removed to the dust etc. of adhesion on 7 side of piston rod, avoids piston rod 7
The dust etc. of upper adhesion follows piston rod 7 to enter in shock absorber cylinder 4, passes through 9 He of seal to further avoid dust etc.
Gap between piston rod 7 enters the lip of oil sealing 3, further improves the oil-leakage-prevention performance of equipment, is removed by setting first
Dirt device 1 and the second dust-extraction unit 10 realize the purpose that comprehensive dedusting is carried out to piston rod 7, further improve the reality of equipment
The property used.
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art is come
Say, still can with technical scheme described in the above embodiments is modified, or to which part technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of oil-leakage-prevention hydraulic damper, including the first dust-extraction unit (1), sealing mat (2), oil sealing (3), shock absorber cylinder
(4), piston head (5), piston rod (7) and the second dust-extraction unit (10), which is characterized in that on shock absorber cylinder (4) inside
Side is provided with sealing mat (2), and the sealing mat (2) includes supporter (8) and seal (9), supporter (8) shock absorber cylinder
Body (4) inner wall is fixedly connected, and seal (9) is fixedly installed at the top of supporter (8), and the seal (9) is rubber material, institute
It states and is coaxially arranged with piston rod (7) in shock absorber cylinder (4), the position in the shock absorber cylinder (4) below sealing mat (2)
It installs and is equipped with oil sealing (3), the oil sealing (3) is fixedly connected with shock absorber cylinder (4) inner wall, the interior position of the shock absorber cylinder (4)
Position below oil sealing (3) is provided with piston head (5), is offered for piston rod on the oil sealing (3) and sealing mat (2)
(7) through-hole passed through, shock absorber cylinder (4) top are symmetrically arranged with first on the position of piston rod (7) both sides and remove
Dirt device (1) and the second dust-extraction unit (10), first dust-extraction unit (1) include fixed seat (11), sliding bar (12), push plate
(13), spring (14) and sliding groove (15), the fixed seat (11) are fixedly mounted at the top of shock absorber cylinder (4), the fixation
Sliding groove (15) is offered on seat (11), is slided in the sliding groove (15) and is provided with sliding bar (12), sliding bar (12) stretches out
It is installed with push plate (13) on one end of sliding groove (15), fluted (17), the sliding groove are opened up on the push plate (13)
(15) spring (14) is provided on the position between sliding bar (12) and sliding groove (15) inner wall, the groove (17) is interior
Dedusting pad (16) is provided on wall.
2. a kind of oil-leakage-prevention hydraulic damper according to claim 1, which is characterized in that the groove (17) is semicircle
The radius of groove, the groove (17) is identical as the radius of piston rod (7).
3. a kind of oil-leakage-prevention hydraulic damper according to claim 1, which is characterized in that the dedusting pad (16) is wear-resisting
Rubber material.
4. a kind of oil-leakage-prevention hydraulic damper according to claim 1, which is characterized in that first dust-extraction unit (1)
It is identical with the structure of the second dust-extraction unit (10).
5. a kind of oil-leakage-prevention hydraulic damper according to claim 1, which is characterized in that the piston head (5) passes through spiral shell
Female (6) are fixedly mounted on piston rod (7) and stretch into one end in shock absorber cylinder (4), and the other end of piston rod (7) passes through oil sealing
(3) and sealing mat (2) stretches out shock absorber cylinder (4) afterwards, is opened up on the center of the supporter (8) and seal (9)
It is useful for the through-hole that piston rod (7) passes through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721872339.6U CN207661052U (en) | 2017-12-28 | 2017-12-28 | A kind of oil-leakage-prevention hydraulic damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721872339.6U CN207661052U (en) | 2017-12-28 | 2017-12-28 | A kind of oil-leakage-prevention hydraulic damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207661052U true CN207661052U (en) | 2018-07-27 |
Family
ID=62943876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721872339.6U Expired - Fee Related CN207661052U (en) | 2017-12-28 | 2017-12-28 | A kind of oil-leakage-prevention hydraulic damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207661052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116856984A (en) * | 2022-02-23 | 2023-10-10 | 杨柯 | Extendable hydraulic support |
-
2017
- 2017-12-28 CN CN201721872339.6U patent/CN207661052U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116856984A (en) * | 2022-02-23 | 2023-10-10 | 杨柯 | Extendable hydraulic support |
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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 |
Granted publication date: 20180727 Termination date: 20201228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |