CN205136212U - Steering axle driving oil cylinder - Google Patents
Steering axle driving oil cylinder Download PDFInfo
- Publication number
- CN205136212U CN205136212U CN201520931453.6U CN201520931453U CN205136212U CN 205136212 U CN205136212 U CN 205136212U CN 201520931453 U CN201520931453 U CN 201520931453U CN 205136212 U CN205136212 U CN 205136212U
- Authority
- CN
- China
- Prior art keywords
- piston
- ring
- cylinder body
- oil cylinder
- steering axle
- 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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- 238000007789 sealing Methods 0.000 claims abstract description 29
- 239000003973 paint Substances 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims description 12
- 230000004807 localization Effects 0.000 claims description 10
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Actuator (AREA)
- Power Steering Mechanism (AREA)
Abstract
The utility model provides a steering axle driving oil cylinder, divide and the cylinder body including piston portion, the piston portion branch is located inside the cylinder body, piston portion divide with cylinder body swing joint, the cylinder body includes cylinder body shell, 2 end covers, 2 plug screws, location subtotal center plug screw, 2 individual plug screw is located respectively cylinder body shell upside both ends, 2 individual plug screw with cylinder body shell swing joint, piston portion divides including piston, piston rod and paint lag, the piston portion branch uses its central position to become the axial symmetry as the symmetry axis, the piston rod with piston concentric shaft fixed connection, paint the lag with piston rod swing joint. This steering axle driving oil cylinder piston portion branch is provided with the multiple layer sealing circle, and is sealed effectual, and has only a piston rod compact structure, low in manufacturing cost, and can guarantee that the hydro -cylinder provides bigger hydraulic drive and does all can.
Description
Technical field
The utility model relates to hydraulic transmission equipment technical field, particularly relates to a kind of steering axle and drives oil cylinder.
Background technique
Hydraulic energy is changed into mechanical energy, does the hydraulic actuator of straight reciprocating motion (or oscillating motion) by oil hydraulic cylinder.Its structure is simple, reliable operation, when realizing to-and-fro motion with it, can remove speed reducer from, and not have drive gap, stable movement, therefore be used widely in the hydraulic system of various machinery.And deepening continuously along with mechanization degree, driving tool front-wheel drive is generally used, and hydraulic driving is applied to when propons turns to and encounters more problem.Propons in currently available technology drives oil cylinder often can not meet the needs of high-power instrument due to the problem of its sealing.
A kind of steering oil cylinder for forklift that such as Chinese patent CN202756334U provides, include cylinder barrel, in described cylinder barrel, piston is installed, the two ends of described piston coordinate respectively and are provided with piston portion, two end part in described cylinder barrel are respectively installed with axle sleeve, and the cylinder barrel two ends outside described axle sleeve are separately installed with cylinder cap, and described piston portion external part is each passed through axle sleeve and cylinder cap, and by hydraulic oil cylinder driving, described axle sleeve and adopt Sealing to seal between cylinder barrel and piston portion respectively.The Sealing that this steering cylinder adopts is comparatively simple, and sealing effect is poor, can not meet the requirement of high-power front wheel driving.
Model utility content
For overcoming the problem of the forerunner's steering cylinder sealing difference existed in prior art, the utility model provides a kind of steering axle and drives oil cylinder.
A kind of technological scheme of steering axle driving oil cylinder is: comprise piston portion and cylinder body, described piston portion is positioned at described cylinder interior, described piston portion is flexibly connected with described cylinder body, described cylinder body comprises cylinder body shell, 2 end caps, 2 plug screws, localization part and center plug screw, described 2 plug screws lay respectively at two ends on the upside of described end cap, described 2 plug screws are flexibly connected with described cylinder body shell, described piston portion comprises piston, piston rod and paint protecting cover, described piston portion with its position, center for symmetry axis becomes axisymmetric, described piston rod is fixedly connected with described piston concentric shafts, described paint protecting cover is flexibly connected with described piston rod.
Further, described piston rod neutral position is provided with contiguous block, and described contiguous block is fixedly connected with described piston rod, and described piston rod two ends are provided with sealing plug.
Further, described sealing plug external port is provided with rotary valve, and described rotary valve is fixedly connected with described sealing plug, is provided with and is fixedly connected with circle around described rotary valve, described in be fixedly connected with circle be flexibly connected with described rotary valve.
Further, described piston comprises the first guidance tape, the second guidance tape, the first back-up ring, O type circle, the second back-up ring, dust ring, the U-shaped seal ring of the first lips, guide piston, the U-shaped seal ring of the second lips and Glais ring.
Further, described first guidance tape is positioned at described piston inner ring intermediate portion, described first guidance tape is around described piston, the inner side of described first guidance tape is by the U-shaped seal ring sealing of the second lips, described dust ring is positioned at described piston inner ring outermost, described dust ring is around described piston inner ring, and the U-shaped seal ring of described first lips, between described first guidance tape and described dust ring, is sealed by the U-shaped seal ring of the first lips outside described first guidance tape.
Further, described guide piston is around described piston inner ring, and it is inner that described guide piston is positioned at described piston.
Further, described first back-up ring, O type circle and the second back-up ring are positioned at described piston outer ring respectively around described piston, and described first back-up ring is near described O type circle, and described second back-up ring is positioned at outer end.
Further, the U-shaped seal ring of described first lips is the U-shaped seal rings of asymmetric lips, and the U-shaped seal ring of described second lips is the U-shaped seal rings of asymmetric lips.
Further, described localization part is positioned at the part that to keep left on the upside of described cylinder body shell, and described localization part is fixedly connected with described cylinder body shell.
Further, described center plug screw is positioned at intermediate portion on the upside of described cylinder body shell, and described center plug screw is flexibly connected with described cylinder body shell.
Compared with prior art, the beneficial effects of the utility model are:
(1) this steering axle drives oil cylinder piston part to be provided with multi-layer sealed circle, guarantees sealing effect, can guarantee the hydraulic driving power that oil cylinder provides larger.
(2) this steering axle drives the piston portion of oil cylinder to be bidirectional piston, turns to driving more flexible.
(3) this steering axle drives oil cylinder two ends to be provided with paint protective sleeve, can prevent corrosion, thus extends the working life of oil cylinder.
(4) this steering axle drives oil cylinder only to comprise a piston rod, compact structure, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the sectional view that steering axle drives oil cylinder;
Fig. 2 is that steering axle drives the piston of oil cylinder and the amplification view of end cap;
Fig. 3 is the end view that steering axle drives oil cylinder;
Fig. 4 is the paint protective sleeve schematic diagram that steering axle drives oil cylinder.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As Fig. 1, Fig. 2, Fig. 3 and Fig. 4 is the structural representation of a kind of steering axle driving oil cylinder in the utility model in a kind of embodiment, comprise piston portion 1 and cylinder body 2, it is inner that piston portion 1 is positioned at cylinder body 2, piston portion 1 is flexibly connected with cylinder body 2, cylinder body 2 comprises cylinder body shell 21, 2 end caps 211, 2 plug screws 22, localization part 23 and center plug screw 24, 2 plug screws 22 lay respectively at end cap 211, two ends, upside, 2 plug screws 22 are flexibly connected with cylinder body shell 21, piston portion 1 comprises piston 11, piston rod 12 and paint protecting cover 13, piston portion 1 with its position, center for symmetry axis becomes axisymmetric, piston rod 12 is fixedly connected with piston 11 concentric shafts, paint protecting cover 13 is fixedly connected with piston rod 12.Piston portion 1 has Multilayer sealing device, can guarantee sealing effect, and paint protecting cover 13 effectively can prevent the generation of corrosion, thus improves the working life of oil cylinder.
As shown in Figure 1: piston rod 12 neutral position is provided with contiguous block 121, and contiguous block 121 is fixedly connected with piston rod 12, piston rod 12 two ends are provided with sealing plug 122.Be integrally connected about piston rod 12 intermediate portion arranges contiguous block, can move to two ends bidirectional reciprocating.Sealing plug 122 is connected with outer nut in piston portion, and sealing plug 122 inside is hollow hole, sealing 122 and the process of piston rod 12 inner wall sealing.
As shown in Figure 3: sealing plug 122 external port is provided with rotary valve 124, rotary valve 124 is connected with sealing plug 122 screw, is provided with and is fixedly connected with circle 123 around rotary valve 124, is fixedly connected with circle 123 and is connected with outer nut in rotary valve 124.Be fixedly connected with circle 123 to be provided with 4 screws and to lay respectively at 4 angles.
As shown in Figure 2: piston 1 comprises the first guidance tape 111, second guidance tape 112, first back-up ring 113, O type circle 114, second back-up ring 115, the U-shaped seal ring of dust ring 116, first lips 117, the U-shaped seal ring 119 of guide piston 118, second lips and Glais ring 110.
As shown in Figure 2: the first guidance tape 111 is positioned at piston 11 inner ring intermediate portion, first guidance tape 111 is around piston 11, the inner side of the first guidance tape 111 is sealed by the U-shaped seal ring 119 of the second lips, dust ring 116 is positioned at piston 11 inner ring outermost, dust ring 116 is around piston 11 inner ring, the U-shaped seal ring 117 of first lips, between the first guidance tape 111 and dust ring 116, is sealed by the U-shaped seal ring 117 of the first lips outside the first guidance tape 111.
As shown in Figure 2: guide piston 118 is around piston 11 inner ring, and it is inner that guide piston 118 is positioned at piston 11.First back-up ring 113, O type circle 114 and the second back-up ring 115 are positioned at piston 11 outer ring respectively around piston 11, and the first back-up ring 113 is positioned at outer end 115 near O type circle 114, second back-up ring.Multi-layer sealing structure is set and better can guarantees sealing effect.
As shown in Figure 1: the U-shaped seal ring of the first lips 117 is the U-shaped seal rings of asymmetric lips, the U-shaped seal ring of the second lips 119 is the U-shaped seal rings of asymmetric lips, and non-symmetry structure Internal and external cycle is different structure, can ensure better sealing effect.
As shown in Figure 1: localization part 23 is positioned at the part that to keep left on the upside of cylinder body shell 21, and localization part 23 is fixedly connected with cylinder body shell 21.Localization part comprises 23 positioning plates and 1 back-up ring, and positioning plate is fixedly connected with cylinder body shell 21, and back-up ring is arranged in the middle of 2 positioning plates.
As shown in Figure 1: center plug screw 24 is positioned at intermediate portion on the upside of cylinder body shell 21, center plug screw 24 is flexibly connected with cylinder body shell 21, and center plug screw is lined with red copper pad for 24 times to guarantee better sealing effect.
Above-mentioned explanation illustrate and describes preferred embodiment of the present utility model, as previously mentioned, be to be understood that the utility model is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in model utility contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from spirit and scope of the present utility model, then all should in the protection domain of the utility model claims.
Claims (10)
1. a steering axle drives oil cylinder, comprise piston portion (1) and cylinder body (2), it is inner that described piston portion (1) is positioned at described cylinder body (2), described piston portion (1) is flexibly connected with described cylinder body (2), described cylinder body (2) comprises cylinder body shell (21), 2 end caps (211), 2 plug screws (22), localization part (23) and center plug screw (24), described 2 plug screws (22) lay respectively at two ends, described end cap (211) upside, described 2 plug screws (22) are flexibly connected with described cylinder body shell (21), it is characterized in that: described piston portion (1) comprises piston (11), piston rod (12) and paint protecting cover (13), described piston portion (1) with its position, center for symmetry axis becomes axisymmetric, described piston rod (12) is fixedly connected with described piston (11) concentric shafts, described paint protecting cover (13) is flexibly connected with described piston rod (12).
2. a kind of steering axle according to claim 1 drives oil cylinder, it is characterized in that: described piston rod (12) neutral position is provided with contiguous block (121), described contiguous block (121) is fixedly connected with described piston rod (12), and described piston rod (12) two ends are provided with sealing plug (122).
3. a kind of steering axle according to claim 2 drives oil cylinder, it is characterized in that: described sealing plug (122) external port is provided with rotary valve (124), described rotary valve (124) is fixedly connected with described sealing plug (122), described rotary valve (124) is around provided with and is fixedly connected with circle (123), described in be fixedly connected with circle (123) and be flexibly connected with described rotary valve (124).
4. a kind of steering axle according to claim 1 drives oil cylinder, it is characterized in that: described piston (1) comprises the first guidance tape (111), the second guidance tape (112), the first back-up ring (113), O type circle (114), the second back-up ring (115), dust ring (116), the U-shaped seal ring of the first lips (117), guide piston (118), the U-shaped seal ring of the second lips (119) and Glais ring (110).
5. a kind of steering axle according to claim 4 drives oil cylinder, it is characterized in that: described first guidance tape (111) is positioned at described piston (11) inner ring intermediate portion, described first guidance tape (111) is around described piston (11), the inner side of described first guidance tape (111) is by the U-shaped seal ring of the second lips (119) sealing, described dust ring (116) is positioned at described piston (11) inner ring outermost, described dust ring (116) is around described piston (11) inner ring, the U-shaped seal ring of described first lips (117) are positioned between described first guidance tape (111) and described dust ring (116), described first guidance tape (111) outside is by the U-shaped seal ring of the first lips (117) sealing.
6. a kind of steering axle according to claim 4 drives oil cylinder, it is characterized in that: described guide piston (118) is around described piston (11) inner ring, and it is inner that described guide piston (118) is positioned at described piston (11).
7. a kind of steering axle according to claim 4 drives oil cylinder, it is characterized in that: described first back-up ring (113), O type circle (114) and the second back-up ring (115) are positioned at described piston (11) outer ring respectively around described piston (11), described first back-up ring (113) is near described O type circle (114), and described second back-up ring (115) is positioned at outer end.
8. a kind of steering axle according to claim 4 drives oil cylinder, it is characterized in that: the U-shaped seal ring of described first lips (117) are the U-shaped seal ring of asymmetric lips, the U-shaped seal ring of described second lips (119) are the U-shaped seal ring of asymmetric lips.
9. a kind of steering axle according to claim 1 drives oil cylinder, it is characterized in that: described localization part (23) is positioned at described cylinder body shell (21) upside and keeps left part, and described localization part (23) is fixedly connected with described cylinder body shell (21).
10. a kind of steering axle according to claim 1 drives oil cylinder, it is characterized in that: described center plug screw (24) is positioned at described cylinder body shell (21) upside intermediate portion, and described center plug screw (24) is flexibly connected with described cylinder body shell (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931453.6U CN205136212U (en) | 2015-11-20 | 2015-11-20 | Steering axle driving oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520931453.6U CN205136212U (en) | 2015-11-20 | 2015-11-20 | Steering axle driving oil cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205136212U true CN205136212U (en) | 2016-04-06 |
Family
ID=55622010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520931453.6U Active CN205136212U (en) | 2015-11-20 | 2015-11-20 | Steering axle driving oil cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205136212U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035938A (en) * | 2018-01-09 | 2018-05-15 | 嘉兴新维液压缸有限公司 | The oil cylinder that a kind of push-pull effort is combined |
| CN110206785A (en) * | 2019-07-17 | 2019-09-06 | 嘉兴新维液压缸有限公司 | A kind of military steering cylinder |
-
2015
- 2015-11-20 CN CN201520931453.6U patent/CN205136212U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108035938A (en) * | 2018-01-09 | 2018-05-15 | 嘉兴新维液压缸有限公司 | The oil cylinder that a kind of push-pull effort is combined |
| CN110206785A (en) * | 2019-07-17 | 2019-09-06 | 嘉兴新维液压缸有限公司 | A kind of military steering cylinder |
| CN110206785B (en) * | 2019-07-17 | 2024-04-09 | 嘉兴新维液压缸有限公司 | Military steering cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Hulian New Energy Industry Technology Service Co.,Ltd. Assignor: HUZHOU SHENGLI HYDRAULIC Co.,Ltd. Contract record no.: X2023330000890 Denomination of utility model: A steering axle drive oil cylinder Granted publication date: 20160406 License type: Common License Record date: 20231208 |
|
| EE01 | Entry into force of recordation of patent licensing contract |