CN204300020U - Novel hydraulic cylinder assembly - Google Patents
Novel hydraulic cylinder assembly Download PDFInfo
- Publication number
- CN204300020U CN204300020U CN201420715150.6U CN201420715150U CN204300020U CN 204300020 U CN204300020 U CN 204300020U CN 201420715150 U CN201420715150 U CN 201420715150U CN 204300020 U CN204300020 U CN 204300020U
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- ring
- hydraulic cylinder
- inner sleeve
- groove
- outer sleeve
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a kind of novel hydraulic cylinder assembly, comprise outer sleeve, inner sleeve and guiding device, the closed end of outer sleeve is provided with position-arresting disk, the internal surface of position-arresting disk is furnished with some limited ring grooves, limited ring groove is corresponding with inner sleeve to be arranged, inner sleeve end is inserted in corresponding limited ring groove respectively, and the outer surface of outer sleeve is also provided with external device; Position-arresting disk arranges limited ring groove, inner sleeve at different levels is limited in respectively in corresponding limited ring groove, can prevent the radial force that oil hydraulic cylinder produces when machinery generation is rocked or shakes from having an impact to inner sleeve at different levels, decrease the distortion probability of inner sleeve; Add the area of contact of inner sleeve at different levels and position-arresting disk simultaneously; when only having one or more inner sleeves of innermost layer to stretch out work; other inner sleeve defines the new strong point in hydraulic cylinder works process; decrease and support and the immense pressure of formation near outer sleeve; contribute to protecting oil hydraulic cylinder, ensure its working life.
Description
Technical field
The utility model relates to a kind of oil hydraulic cylinder of new structure.
Background technique
In technical field of hydraulic oil cylinder, the especially hydraulic jack of Long travel, in inapplicable process, inner sleeve at different levels is all retracted in outer sleeve, in the vibrations excessively of mechanical movement, is easy to produce radial force to oil hydraulic cylinder, and then cause inner sleeve to produce distortion, have impact on the normal use of oil hydraulic cylinder.In addition, lifting hydraulic cylinder in use, because stroke is long, belong to Multi-stage cylinder, have weak vibrations when oil hydraulic cylinder reducing, make the parts be connected with outer sleeve can bear certain pulling force or torsion, in the course of time, connected element can produce certain damage to outer sleeve, is unfavorable for the working life ensureing oil hydraulic cylinder.
Model utility content
Technical problem to be solved in the utility model be to provide between a kind of inner sleeve at different levels by radial force affect little, automatically can adapt to reducing time the novel hydraulic cylinder assembly rocked that produces.
For solving the problems of the technologies described above, the technical solution of the utility model is: novel hydraulic cylinder assembly, comprise outer sleeve, the some inner sleeves be set with successively are provided with in described outer sleeve, guiding device is respectively equipped with between adjacent two described inner sleeves, the closed end of described outer sleeve is provided with position-arresting disk, the internal surface of described position-arresting disk is furnished with some limited ring grooves, described limited ring groove is corresponding with described inner sleeve to be arranged, described inner sleeve end is inserted in corresponding described limited ring groove respectively, and the outer surface of described outer sleeve is also provided with external device.
As preferred technological scheme, described external device is included in two cylinder rings that on described outer sleeve outer circumferential face, suit is fixing relatively, hinging shaft is provided with cylinder ring is relative described in two, gap on the end face of described hinging shaft described in corresponding two between cylinder ring is provided with axial plane groove, cylinder ring described in two and between described axial plane groove spiral-lock have ball, the described outer sleeve of described hinging shaft both sides is provided with relatively two position limiting convex rings, the opposite side of position limiting convex ring described in two is respectively equipped with the snapping ring extended towards described hinging shaft, described hinging shaft both sides be respectively equipped with described snapping ring with the use of snap groove.
As preferred technological scheme, described hinging shaft at least arranges two.
As preferred technological scheme, described guiding device at least arranges two covers, the seal groove that the internal surface that described guiding device is included in each described inner sleeve is provided with, and is provided with seal ring in described seal groove, described seal groove both sides are respectively equipped with guiding groove, are provided with guide ring in described guiding groove.
As the improvement to technique scheme, described guide ring is set to " L " shape structure, and described guide ring comprises the engaging portion be located in described guiding groove, and described engaging portion is connected with the guide portion extended towards described seal ring side.
Owing to have employed technique scheme, novel hydraulic cylinder assembly, comprise outer sleeve, the some inner sleeves be set with successively are provided with in described outer sleeve, guiding device is respectively equipped with between adjacent two described inner sleeves, the closed end of described outer sleeve is provided with position-arresting disk, the internal surface of described position-arresting disk is furnished with some limited ring grooves, described limited ring groove is corresponding with described inner sleeve to be arranged, described inner sleeve end is inserted in corresponding described limited ring groove respectively, and the outer surface of described outer sleeve is also provided with external device; The beneficial effects of the utility model are: on position-arresting disk, arrange limited ring groove, inner sleeve at different levels is limited in respectively in corresponding limited ring groove, can prevent the radial force that oil hydraulic cylinder produces when machinery generation is rocked or shakes from having an impact to inner sleeve at different levels, decrease the distortion probability of inner sleeve; Add the area of contact of inner sleeve at different levels and position-arresting disk simultaneously; when only having one or more inner sleeves of innermost layer to stretch out work; other inner sleeve defines the new strong point in hydraulic cylinder works process; decrease and support and the immense pressure of formation near outer sleeve; contribute to protecting oil hydraulic cylinder, ensure its working life.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment limited ring groove part;
Fig. 3 is the structural representation of the utility model embodiment external device part;
In figure: 1-outer sleeve; 2-position-arresting disk; 3-inner sleeve; 4-limited ring groove; 5-cylinder ring; 6-hinging shaft; 7-axial plane groove; 8-ball; 9-position limiting convex ring; 10-snapping ring; 11-seal ring; 12-guide ring.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present utility model.Undoubtedly, those of ordinary skill in the art can recognize, when not departing from spirit and scope of the present utility model, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
As shown in Figure 1, Figure 2 and Figure 3, novel hydraulic cylinder assembly, comprise outer sleeve 1, the some inner sleeves 3 be set with successively are provided with in described outer sleeve 1, guiding device is respectively equipped with between adjacent two described inner sleeves 3, the closed end of described outer sleeve 1 is provided with position-arresting disk 2, the internal surface of described position-arresting disk 2 is furnished with some limited ring grooves 4, multiple described limited ring groove 4 is arranged with one heart, described limited ring groove 4 is corresponding with described inner sleeve 3 to be arranged, described inner sleeve 3 end to insert in corresponding described limited ring groove 4 respectively, and the outer surface of described outer sleeve 1 is also provided with external device.
Described hinging shaft 6 in the present embodiment at least arranges two, described external device is included in two cylinder rings 5 that on described outer sleeve 1 outer circumferential face, suit is fixing relatively, relatively with cylinder ring 5 described in two be provided with hinging shaft 6, gap on the end face of described hinging shaft 6 described in corresponding two between cylinder ring 5 is provided with axial plane groove 7, cylinder ring 5 described in two and between described axial plane groove 7 spiral-lock have ball 8, the described outer sleeve 1 of described hinging shaft 6 both sides is provided with two position limiting convex rings 8 relatively, the opposite side of position limiting convex ring 8 described in two is respectively equipped with the snapping ring 10 extended towards described hinging shaft 6, described hinging shaft 6 both sides be respectively equipped with described snapping ring 10 with the use of snap groove.By described ball 8, the cooperation of described snapping ring 10 and described snap groove, described hinging shaft 6 can produce slip on described outer sleeve 1.
The utility model in use, when multistage hydraulic cylinder working, if produce skew or vibrations, by described ball 8, described hinging shaft 6 can carry out self-adapting type and initiatively regulate, namely described hinging shaft 6 can produce the displacement of sliding and regulating and shaking and cause on described outer sleeve 1, and the position limiting convex ring 8 of described hinging shaft 6 both sides can also prevent the edge of described hinging shaft 6 from bumping to described outer sleeve 1.
Described guiding device at least arranges two covers, the seal groove that the internal surface that described guiding device is included in each described inner sleeve 3 is provided with, and is provided with seal ring 11 in described seal groove, and described seal groove both sides are respectively equipped with guiding groove, are provided with guide ring 12 in described guiding groove.Described guide ring 12 is set to " L " shape structure, and described guide ring 12 comprises the engaging portion be located in described guiding groove, and described engaging portion is connected with the guide portion extended towards described seal ring 11 side.In the falling process of multistage described inner sleeve 3, described guide ring 12 can not only produce leading role, seal ring 11 on the described inner sleeve 3 of skin that the burr scratch of inner sleeve 3 end described in internal layer can also be prevented adjacent, avoids producing hydraulic fluid leak phenomenon.
The utility model arranges limited ring groove 4 on position-arresting disk 2, inner sleeve 3 at different levels is limited in respectively in corresponding limited ring groove 4, can prevent the radial force that oil hydraulic cylinder produces when machinery generation is rocked or shakes from having an impact to inner sleeve 3 at different levels, decrease the distortion probability of inner sleeve 3; Add the area of contact of inner sleeve 3 at different levels and position-arresting disk 2 simultaneously; when only having one or more inner sleeves 3 of innermost layer to stretch out work; other inner sleeve 3 defines the new strong point in hydraulic cylinder works process; decrease and support near outer sleeve 1 and the immense pressure formed; contribute to protecting oil hydraulic cylinder, ensure its working life.
More than show and describe basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. novel hydraulic cylinder assembly, comprise outer sleeve, the some inner sleeves be set with successively are provided with in described outer sleeve, guiding device is respectively equipped with between adjacent two described inner sleeves, the closed end of described outer sleeve is provided with position-arresting disk, it is characterized in that: the internal surface of described position-arresting disk is furnished with some limited ring grooves, and described limited ring groove is corresponding with described inner sleeve to be arranged, described inner sleeve end is inserted in corresponding described limited ring groove respectively, and the outer surface of described outer sleeve is also provided with external device.
2. novel hydraulic cylinder assembly as claimed in claim 1, it is characterized in that: described external device is included in two cylinder rings that on described outer sleeve outer circumferential face, suit is fixing relatively, hinging shaft is provided with cylinder ring is relative described in two, gap on the end face of described hinging shaft described in corresponding two between cylinder ring is provided with axial plane groove, cylinder ring described in two and between described axial plane groove spiral-lock have ball, the described outer sleeve of described hinging shaft both sides is provided with relatively two position limiting convex rings, the opposite side of position limiting convex ring described in two is respectively equipped with the snapping ring extended towards described hinging shaft, described hinging shaft both sides be respectively equipped with described snapping ring with the use of snap groove.
3. novel hydraulic cylinder assembly as claimed in claim 2, is characterized in that: described hinging shaft at least arranges two.
4. novel hydraulic cylinder assembly as claimed in claim 1, it is characterized in that: described guiding device at least arranges two covers, the seal groove that the internal surface that described guiding device is included in each described inner sleeve is provided with, seal ring is provided with in described seal groove, described seal groove both sides are respectively equipped with guiding groove, are provided with guide ring in described guiding groove.
5. novel hydraulic cylinder assembly as claimed in claim 4, is characterized in that: described guide ring is set to " L " shape structure, and described guide ring comprises the engaging portion be located in described guiding groove, and described engaging portion is connected with the guide portion extended towards described seal ring side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420715150.6U CN204300020U (en) | 2014-11-25 | 2014-11-25 | Novel hydraulic cylinder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420715150.6U CN204300020U (en) | 2014-11-25 | 2014-11-25 | Novel hydraulic cylinder assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204300020U true CN204300020U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420715150.6U Active CN204300020U (en) | 2014-11-25 | 2014-11-25 | Novel hydraulic cylinder assembly |
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| Country | Link |
|---|---|
| CN (1) | CN204300020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962604A (en) * | 2021-02-24 | 2021-06-15 | 秦其琪 | Pile cutter for building disassembly |
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2014
- 2014-11-25 CN CN201420715150.6U patent/CN204300020U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962604A (en) * | 2021-02-24 | 2021-06-15 | 秦其琪 | Pile cutter for building disassembly |
| CN112962604B (en) * | 2021-02-24 | 2022-08-12 | 山东鼎信岩土科技有限公司 | Pile cutter for building disassembly |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |