CN202579436U - Elastic hydraulic cylinder - Google Patents
Elastic hydraulic cylinder Download PDFInfo
- Publication number
- CN202579436U CN202579436U CN 201220223599 CN201220223599U CN202579436U CN 202579436 U CN202579436 U CN 202579436U CN 201220223599 CN201220223599 CN 201220223599 CN 201220223599 U CN201220223599 U CN 201220223599U CN 202579436 U CN202579436 U CN 202579436U
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- China
- Prior art keywords
- hydraulic cylinder
- oil hydraulic
- piston rod
- spring
- hole
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- Expired - Lifetime
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Abstract
The utility model provides an elastic hydraulic cylinder which comprises a hydraulic cylinder, a spring seat, a spring and a slide sleeve; the spring seat is fixedly arranged on a piston rod of the hydraulic cylinder; the slide sleeve is sleeved on the piston rod; one end of the slide sleeve is provided with a baffle; and the spring is arranged between the baffle and the spring seat. According to the elastic hydraulic cylinder, because the spring seat and the slide sleeve are arranged on the piston rod, the spring is arranged between the spring seat and the slide sleeve, the slide sleeve can slide on the piston rod, the spring can effectively buffer the impact on the piston rod when the elastic hydraulic cylinder suddenly receives stress, so that the piston rod is not damaged due to the stress, and the reliability of the elastic hydraulic cylinder is improved.
Description
Technical field
The utility model relates to passenger vehicle and uses machinery, relates in particular to a kind of elasticity oil hydraulic cylinder.
Background technique
At present, oil hydraulic cylinder is a kind of mechanical devices commonly used, for example: be provided with oil hydraulic cylinder on track train, the combined car, can drive heavier parts through oil hydraulic cylinder and move.Oil hydraulic cylinder of the prior art generally includes cylinder body and piston rod, and cylinder body is fixing different, drives associated components through piston rod and moves.When oil hydraulic cylinder receives the power that applies suddenly, because piston rod directly is connected with afterburning parts, the stressed damage of piston rod appears easily, cause the reliability of oil hydraulic cylinder of the prior art lower.
Summary of the invention
The utility model technical problem to be solved is: a kind of elasticity oil hydraulic cylinder is provided, solves the lower defective of reliability of oil hydraulic cylinder of the prior art, realize improving the reliability of elasticity oil hydraulic cylinder.
The technological scheme that the utility model provides is that a kind of elasticity oil hydraulic cylinder comprises oil hydraulic cylinder, also comprises: spring seat, spring and sliding sleeve; Said spring seat is installed on the piston rod of said oil hydraulic cylinder, and said sliding sleeve is enclosed within on the said piston rod, and an end of said sliding sleeve is provided with baffle plate, and said spring is between said baffle plate and said spring seat.
The elasticity oil hydraulic cylinder that the utility model provides; Through spring seat and sliding sleeve are set on piston rod, be provided with spring between spring seat and the sliding sleeve, sliding sleeve can slide on piston rod; The elasticity oil hydraulic cylinder is unexpected when stressed; Through the impact force that spring can the efficient buffer piston rod receives, avoid the stressed damage of piston rod, realize having improved the reliability of elasticity oil hydraulic cylinder.
Aforesaid elasticity oil hydraulic cylinder; Be provided with first through hole and second through hole of coaxial setting in the said sliding sleeve; The aperture of said first through hole is greater than the aperture of said second through hole; Said piston rod is inserted in said second through hole, and the end that said piston rod is arranged in said first through hole is provided with slide block, and said slide block is slidingly installed in said first through hole.
Aforesaid elasticity oil hydraulic cylinder also is provided with the self oiling bearing cover between said second through hole and the said piston rod.
Aforesaid elasticity oil hydraulic cylinder also is provided with spacer between said baffle plate and the said spring.
Aforesaid elasticity oil hydraulic cylinder also is provided with installing ring on the said baffle plate.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiments of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the utility model elasticity oil hydraulic cylinder embodiment's a structural representation;
Fig. 2 is the structural representation of the utility model elasticity oil hydraulic cylinder embodiment sliding sleeve.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model embodiment clearer; To combine the accompanying drawing among the utility model embodiment below; Technological scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the utility model elasticity oil hydraulic cylinder embodiment's a structural representation; Fig. 2 is the structural representation of the utility model elasticity oil hydraulic cylinder embodiment sliding sleeve.Like Fig. 1-shown in Figure 2, present embodiment elasticity oil hydraulic cylinder comprises oil hydraulic cylinder 1, also comprises: spring seat 2, spring 3 and sliding sleeve 4; Spring seat 2 is installed on the piston rod 11 of oil hydraulic cylinder 1, and sliding sleeve 4 is enclosed within on the piston rod 11, and an end of sliding sleeve 4 is provided with baffle plate 41, and spring 3 is between baffle plate 41 and spring seat 2.
Particularly; Also be provided with sliding sleeve 4 on the piston rod 11 of oil hydraulic cylinder 1 in the present embodiment elasticity oil hydraulic cylinder; Also be provided with spring 3 between the baffle plate 41 of sliding sleeve 4 and the spring seat 2 on the piston rod 11, the sliding sleeve 4 in the present embodiment can slide with respect to oil hydraulic cylinder 1 along piston rod 11, when present embodiment elasticity oil hydraulic cylinder unexpected when stressed; Sliding sleeve 4 can avoid oil hydraulic cylinder 1 because of unexpected stressed the damage with respect to oil hydraulic cylinder 1 slip and stressed through spring 3 bufferings.Wherein, present embodiment elasticity oil hydraulic cylinder can be used for the up-down that combined car drives upper saw pulley, and present embodiment elasticity oil hydraulic cylinder drives upper saw pulley and stretches out when not touching track, and the mounting distance of oil hydraulic cylinder 1 is constant; When upper saw pulley touches track, spring 3 stressed being compressed, oil hydraulic cylinder 1 continues to stretch out, and the mounting distance size of oil hydraulic cylinder 1 changes, the power that spring 3 is suffered with buffering hydraulic cylinder 1.Wherein, can also be provided with spacer 44 between baffle plate 41 and the spring 3; Sliding sleeve 4 is connected with other parts to be installed for ease, can also be provided with installing ring 45 on the baffle plate 41 in the present embodiment.
Further; Can be provided with first through hole 43 and second through hole 42 of coaxial setting in the sliding sleeve 4 in the present embodiment; The aperture of first through hole 43 is greater than the aperture of second through hole 42; Piston rod 11 is inserted in second through hole 42, and the end that piston rod 11 is arranged in first through hole 43 is provided with slide block 5, and slide block 5 is slidingly installed in first through hole 43.Concrete, cooperating with sliding sleeve 4 through slide block 5, slide block 5 will slide in first through hole 43, and sliding sleeve 4 can be slided with respect to piston rod 11 more stably.Preferably, in order to reduce the frictional force between sliding sleeve 4 and the piston rod 11, also be provided with self oiling bearing cover 46 between second through hole 42 in the present embodiment and the piston rod 11.
Present embodiment elasticity oil hydraulic cylinder; Through spring seat and sliding sleeve are set on piston rod, be provided with spring between spring seat and the sliding sleeve, sliding sleeve can slide on piston rod; The elasticity oil hydraulic cylinder is unexpected when stressed; Through the impact force that spring can the efficient buffer piston rod receives, avoid the stressed damage of piston rod, realize having improved the reliability of elasticity oil hydraulic cylinder.
What should explain at last is: above embodiment is only in order to the technological scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that aforementioned each embodiment put down in writing, and perhaps part technical characteristics wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment's technological scheme of essence disengaging the utility model of relevant art scheme.
Claims (5)
1. an elasticity oil hydraulic cylinder comprises oil hydraulic cylinder, it is characterized in that, also comprises: spring seat, spring and sliding sleeve; Said spring seat is installed on the piston rod of said oil hydraulic cylinder, and said sliding sleeve is enclosed within on the said piston rod, and an end of said sliding sleeve is provided with baffle plate, and said spring is between said baffle plate and said spring seat.
2. elasticity oil hydraulic cylinder according to claim 1; It is characterized in that; Be provided with first through hole and second through hole of coaxial setting in the said sliding sleeve, the aperture of said first through hole is greater than the aperture of said second through hole, and said piston rod is inserted in said second through hole; The end that said piston rod is arranged in said first through hole is provided with slide block, and said slide block is slidingly installed in said first through hole.
3. elasticity oil hydraulic cylinder according to claim 2 is characterized in that, also is provided with the self oiling bearing cover between said second through hole and the said piston rod.
4. elasticity oil hydraulic cylinder according to claim 1 is characterized in that, also is provided with spacer between said baffle plate and the said spring.
5. according to the arbitrary described elasticity oil hydraulic cylinder of claim 1-4, it is characterized in that, also be provided with installing ring on the said baffle plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220223599 CN202579436U (en) | 2012-05-18 | 2012-05-18 | Elastic hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220223599 CN202579436U (en) | 2012-05-18 | 2012-05-18 | Elastic hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202579436U true CN202579436U (en) | 2012-12-05 |
Family
ID=47248852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220223599 Expired - Lifetime CN202579436U (en) | 2012-05-18 | 2012-05-18 | Elastic hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202579436U (en) |
-
2012
- 2012-05-18 CN CN 201220223599 patent/CN202579436U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121205 |