CN204061695U - For the dustproof construction of oil-pressure damper - Google Patents
For the dustproof construction of oil-pressure damper Download PDFInfo
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- CN204061695U CN204061695U CN201420458023.2U CN201420458023U CN204061695U CN 204061695 U CN204061695 U CN 204061695U CN 201420458023 U CN201420458023 U CN 201420458023U CN 204061695 U CN204061695 U CN 204061695U
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Abstract
The utility model discloses a kind of dustproof construction for oil-pressure damper, comprise and to be located at outside oil-pressure damper oil storage cylinder and can along the dust-proof cover of oil storage cylinder length direction relative movement, dirt-proof boot is provided with between described dust-proof cover and oil storage cylinder, described dirt-proof boot and oil storage cylinder interference fit and interfix, described dirt-proof boot and dust-proof cover interference fit and can along the relative movement of dust-proof cover length direction.This dustproof construction being used for oil-pressure damper has dust-proof effect reliably, not to be taken cushioning stroke lastingly, does not damage the advantage of paint, simple and beautiful structure.
Description
Technical field
The utility model relates to oil-pressure damper, particularly relates to the dustproof construction for oil-pressure damper.
Background technique
Oil-pressure damper is the critical component of the railway transportation equipments such as electric locomotive, internal combustion locomotive, subway train, and its Main Function is the vibration and impact in decay rolling stock running, improves riding comfort, ensures rolling stock driving safety.Dust guard is very important parts on vibration damper, the erosion that it effectively can prevent the normal oil spout of wind sand, dust, rain, snow, subversive gas, salt fog, ozone and railway, foreign matter such as spray fat, washing agent etc. causes piston rod, tailpiece of the piston rod Sealing, reduce the probability of the faults such as vibration damper generation leakage of oil, abnormal sound, improve functional reliability and the working life of vibration damper.
As shown in Figure 1 to Figure 3, existing oil-pressure damper dustproof construction, the dust-proof cover 2 mainly comprising rubber corrugated pipe 5, rubber sleeve 6 and be sheathed on outside oil storage cylinder 1.In the dustproof construction shown in Fig. 1, rubber corrugated pipe 5 is arranged in dust-proof cover 2, its one end and piston rod 8 interference fit, the other end is fixed in the circular groove of gland 7, forms confined space, avoids external contaminant to seal to piston rod 8 and tailpiece of the piston rod the erosion caused.There is following shortcoming in the dustproof construction shown in Fig. 1: a) rubber corrugated pipe 5 is arranged between dust-proof cover connecting plate 4 and gland 7, occupies the stroke of vibration damper.B) for realizing best dust-proof effect, need whole piston rod 8 to be surrounded completely, rubber corrugated pipe 5 length is longer, and cost is high.
Rubber corrugated pipe 5 one end is fixed on the outer wall on dust-proof cover 2 by the dustproof construction shown in Fig. 2, the other end is fixed on the outer wall of oil storage cylinder 1, form the confined space be surrounded with the Sealing of tailpiece of the piston rod by piston rod 8, avoid external contaminant to cause erosion to piston rod 8 and tailpiece of the piston rod sealing.One end of rubber sleeve 6 is fixed on the outer wall of dust-proof cover 2 by the dustproof construction shown in Fig. 3, the outer wall interference fit of the other end and oil storage cylinder 1.There is following shortcoming in the dustproof construction shown in Fig. 2, Fig. 3: a) rubber corrugated pipe 5 or rubber sleeve 6 are arranged on outside, increase the transverse dimension of vibration damper, affect attractive in appearance; B) rubber corrugated pipe 5 or rubber sleeve 6 outside exposed, without any protection, easy damage, and the erosion of its long-term wind-engaging sand, dust, rain, snow, subversive gas, salt fog, ozone and the normal oil spout of railway, foreign matter such as spray fat, washing agent etc., working life is short; C) rubber corrugated pipe 5 or rubber sleeve 6 are fixed on the outer wall of dust-proof cover 2 and/or oil storage cylinder 1 by retaining ring, and complex structure, cost are high; D) rubber sleeve 6 and oil storage cylinder 1 are interference fit, the high frequency relative movement between oil storage cylinder 1 and rubber sleeve 6, easily damage the paint of damper surface.
Model utility content
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art, provides a kind of dust-proof effect reliably, not take cushioning stroke lastingly, do not damage paint, the dustproof construction for oil-pressure damper of simple and beautiful structure.
For solving the problems of the technologies described above, the technological scheme that the utility model proposes is:
A kind of dustproof construction for oil-pressure damper, comprise and to be located at outside oil-pressure damper oil storage cylinder and can along the dust-proof cover of oil storage cylinder length direction relative movement, dirt-proof boot is provided with between described dust-proof cover and oil storage cylinder, described dirt-proof boot and oil storage cylinder interference fit and interfix, described dirt-proof boot and dust-proof cover interference fit and can along the relative movement of dust-proof cover length direction.
Further improvement as technique scheme:
The side that described dirt-proof boot is relative with dust-proof cover is provided with the multiple dust-proof lip that the length direction along dirt-proof boot is arranged.
The shape of described dust-proof lip can be rectangle, triangle, trapezoidal and zigzag wherein one or more.
Fixed by binder between described dirt-proof boot and oil storage cylinder.
Also comprise dust-proof cover connecting plate, one end of described dust-proof cover connecting plate is by being screwed on dust-proof cover.
Described dirt-proof boot is one or more, and described dirt-proof boot is arranged along the length direction of oil storage cylinder.
Compared with prior art, the utility model has the advantage of:
Dirt-proof boot is arranged between dust-proof cover and oil storage cylinder by the utility model, effectively prevent the problem taking vibration damper stroke when rubber corrugated pipe is arranged between dust-proof cover connecting plate and gland; Meanwhile, dirt-proof boot is not easy to suffer erosion, and effectively improves the working life of dirt-proof boot and the aesthetic property of vibration damper, and it also avoid and adopt retaining ring, lengthy bellows to cause the problem that damper structure is complicated, cost is high.The utility model arranges multiple dust-proof lip further on dirt-proof boot, is formed multistage dust-proof, effectively improves dust-proof effect and dust-proof reliability.
Accompanying drawing explanation
Fig. 1 is the dustproof construction schematic diagram that in prior art, rubber corrugated pipe is built-in.
Fig. 2 is the dustproof construction schematic diagram that in prior art, rubber corrugated pipe is external.
Fig. 3 is the dustproof construction schematic diagram that in prior art, rubber sleeve is external.
Fig. 4 is the structural representation of the utility model for the dustproof construction of oil-pressure damper.
In figure, each label represents:
1, oil storage cylinder; 2, dust-proof cover; 3, dirt-proof boot; 31, dust-proof lip; 4, dust-proof cover connecting plate; 5, rubber corrugated pipe; 6, rubber sleeve; 7, gland; 8, piston rod.
Embodiment
As shown in Figure 4, the dustproof construction for oil-pressure damper of the present embodiment, comprise the dust-proof cover 2 be located at outside oil-pressure damper oil storage cylinder 1, dust-proof cover 2 can along the relative movement of oil storage cylinder 1 length direction under the driving of piston assembly, dustproof construction also comprises dust-proof cover connecting plate 4, and one end of dust-proof cover connecting plate 4 is by being screwed on dust-proof cover 2.Oil-pressure damper produces damping force to reach the object of attenuation vibration when compression, stretching travel.Dirt-proof boot 3 is provided with between dust-proof cover 2 and oil storage cylinder 1, dirt-proof boot 3 is with oil storage cylinder 1 interference fit and interfix, in the present embodiment, fixed by binder between dirt-proof boot 3 and oil storage cylinder 1, to ensure that dirt-proof boot 3 is relative with oil storage cylinder 1 fixing, dirt-proof boot 3 is with dust-proof cover 2 interference fit and can along the length direction relative movement of dust-proof cover 2.Dirt-proof boot 3 is arranged between dust-proof cover 2 and oil storage cylinder 1, effectively prevent the problem taking vibration damper stroke when rubber corrugated pipe 5 is arranged between dust-proof cover connecting plate 4 and gland 7; Meanwhile, dirt-proof boot 3 is not easy to suffer erosion, and effectively improves the working life of dirt-proof boot 3 and the aesthetic property of vibration damper, and it also avoid and adopt retaining ring, lengthy bellows to cause the problem that damper structure is complicated, cost is high.
In the present embodiment, the side that dirt-proof boot 3 is relative with dust-proof cover 2 is provided with multiple dust-proof lip 31, and dust-proof lip 31 is arranged along the length direction of dirt-proof boot 3, makes it be formed multistage dust-proof, effectively improves dust-proof effect and dust-proof reliability.In the present embodiment; the shape of dust-proof lip 31 is triangle; in other embodiments; as long as other dust-proof lip 31 structures of dust-proof effect and dust-proof reliability can be ensured; all should in protection domain of the present utility model, can be rectangle, triangle, trapezoidal and zigzag wherein one or more.
In the present embodiment, dirt-proof boot 3 is one, and dirt-proof boot 3 is arranged along the length direction of oil storage cylinder 1.In other embodiments, dirt-proof boot 3 can be multiple, and arranges along the length direction of oil storage cylinder 1, effectively to improve dust-proof effect.
In the present embodiment, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Any those of ordinary skill in the art, when not departing from technical solutions of the utility model scope, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (6)
1. the dustproof construction for oil-pressure damper, comprise be located at oil-pressure damper oil storage cylinder (1) outside and can along the dust-proof cover (2) of oil storage cylinder (1) length direction relative movement, it is characterized in that, dirt-proof boot (3) is provided with between described dust-proof cover (2) and oil storage cylinder (1), described dirt-proof boot (3) and oil storage cylinder (1) interference fit and interfix, described dirt-proof boot (3) is with dust-proof cover (2) interference fit and can along dust-proof cover (2) length direction relative movement.
2. the dustproof construction for oil-pressure damper according to claim 1, is characterized in that, the side that described dirt-proof boot (3) is relative with dust-proof cover (2) is provided with the multiple dust-proof lip (31) that the length direction along dirt-proof boot (3) is arranged.
3. the dustproof construction for oil-pressure damper according to claim 2, is characterized in that, the shape of described dust-proof lip (31) can be rectangle, triangle, trapezoidal and zigzag wherein one or more.
4. the dustproof construction for oil-pressure damper according to claim 1, is characterized in that, is fixed between described dirt-proof boot (3) and oil storage cylinder (1) by binder.
5. the dustproof construction for oil-pressure damper according to claim 1, is characterized in that, also comprises dust-proof cover connecting plate (4), and one end of described dust-proof cover connecting plate (4) is by being screwed on dust-proof cover (2).
6. the dustproof construction for oil-pressure damper according to claim 1 to 5 any one, is characterized in that, described dirt-proof boot (3) is for one or more, and described dirt-proof boot (3) is arranged along the length direction of oil storage cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458023.2U CN204061695U (en) | 2014-08-14 | 2014-08-14 | For the dustproof construction of oil-pressure damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458023.2U CN204061695U (en) | 2014-08-14 | 2014-08-14 | For the dustproof construction of oil-pressure damper |
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| Publication Number | Publication Date |
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| CN204061695U true CN204061695U (en) | 2014-12-31 |
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| CN201420458023.2U Active CN204061695U (en) | 2014-08-14 | 2014-08-14 | For the dustproof construction of oil-pressure damper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180001946U (en) * | 2016-12-20 | 2018-06-28 | 현대중공업지주 주식회사 | Gas Spring having Pollution Prevention Function |
-
2014
- 2014-08-14 CN CN201420458023.2U patent/CN204061695U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180001946U (en) * | 2016-12-20 | 2018-06-28 | 현대중공업지주 주식회사 | Gas Spring having Pollution Prevention Function |
| KR200494225Y1 (en) * | 2016-12-20 | 2021-08-30 | 현대중공업지주 주식회사 | Gas Spring having Pollution Prevention Function |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU TIMES EQUIPMENT TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171213 Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU CRRC TIMES EQUIPMENT TECHNOLOGY Co.,Ltd. |