CN205078542U - Single -acting hydraulic cylinder - Google Patents
Single -acting hydraulic cylinder Download PDFInfo
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- CN205078542U CN205078542U CN201520832862.0U CN201520832862U CN205078542U CN 205078542 U CN205078542 U CN 205078542U CN 201520832862 U CN201520832862 U CN 201520832862U CN 205078542 U CN205078542 U CN 205078542U
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- hydraulic cylinder
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Abstract
The utility model discloses a single -acting hydraulic cylinder, including cylinder body, cylinder cap, piston and piston rod, the cylinder cap seals the cooperation with the port of cylinder body, be provided with the oil inlet on the cylinder cap, the piston sets up in the cylinder body, the one end of piston rod pass the cylinder body the bottom and with piston fixed connection, be provided with on the piston rod and be used for promoting the piston rod and return the component that resets that contracts, reset the component setting in the cylinder body. The utility model has the advantages of simple structure and novel design equitable and use convenient operation, the stretching out and return the convenience that contracts of piston rod has realized that the pneumatic cylinder advances oil condition lower piston pole in a department and freely stretches out and contract with returning, and job stabilization nature is high, uses safe and reliable, and the leakproofness is good, and application range extensively, reduce use cost simultaneously, improved the availability factor.
Description
Technical field
The utility model relates to a kind of oil hydraulic cylinder, especially relates to a kind of single-action hydraulic cylinder.
Background technique
Oil hydraulic cylinder hydraulic energy is changed into the hydraulic actuator that mechanical energy does straight reciprocating motion.The advantage of, reliable operation simple by means of structure, oil hydraulic cylinder is used widely in the hydraulic system of various machinery.Wherein, be only referred to as single-action hydraulic cylinder by the oil hydraulic cylinder of the side incoming pressure oil of piston, this single-action hydraulic cylinder Chang Zuowei jack uses.
The stretching out of piston rod of existing single-action hydraulic cylinder is normally realized by hydraulic oil pressure, and the retraction of piston rod is normally by realizing externally to piston rod applying pressure.In use there is following shortcoming in this single-action hydraulic cylinder: (1) piston rod easily occurs stuck phenomenon when bouncing back, cause operational failure, and the cylinder body serious wear of oil hydraulic cylinder, reduce operational safety, utilization efficiency is low simultaneously, and user cost is high; (2) because single-action hydraulic cylinder has the little feature of volume, therefore be usually used in using in the relatively narrow and small scope in space, and piston rod retraction need in outside by means of the equipment of exerting pressure to apply pressure, the equipment of exerting pressure need occupy certain space, which limit the use of single-action hydraulic cylinder; (3) existing single-action hydraulic cylinder sealing effect is undesirable.
Model utility content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of single-action hydraulic cylinder is provided, its structure is simple, rationally novel in design and use easy to operate, stretching out and the convenience that bounces back of piston rod, achieve oil hydraulic cylinder to enter oil condition lower piston rod at a place and freely stretch out and retraction, working stability is high, safe and reliable, good airproof performance, using scope is wide; Reduce user cost simultaneously, improve utilization efficiency.
For achieving the above object, the technical solution adopted in the utility model is: a kind of single-action hydraulic cylinder, it is characterized in that: comprise gray iron, piston and piston rod, described cylinder cap coordinates with the port sealing of cylinder body, described cylinder cap is provided with filler opening, and described piston is arranged in cylinder body, and one end of described piston rod is passed the bottom of cylinder body and is fixedly connected with piston, described piston rod is provided with the reposition element for promoting piston rod retraction, described reposition element is arranged in cylinder body.
Above-mentioned a kind of single-action hydraulic cylinder, is characterized in that: be provided with O RunddichtringO between described piston and cylinder body.
Above-mentioned a kind of single-action hydraulic cylinder, is characterized in that: be provided with metal o-ring between described cylinder cap and cylinder body.
Above-mentioned a kind of single-action hydraulic cylinder, is characterized in that: described reposition element is spring, and described spring housing is established on the piston rod, one end of described spring and piston contact, and the other end of described spring contacts with the bottom of cylinder body.
Above-mentioned a kind of single-action hydraulic cylinder, is characterized in that: the periphery of described cylinder cap is evenly provided with multiple mounting hole.
Above-mentioned a kind of single-action hydraulic cylinder, is characterized in that: described filler opening is arranged on the center of cylinder cap.
The utility model compared with prior art has the following advantages:
1, the utility model structure is simple, rationally novel in design and use easy to operate.
2, the utility model by arranging filler opening on cylinder cap, reposition element for promoting piston rod retraction is set on the piston rod, the retraction of piston rod is resetted convenient, achieve oil hydraulic cylinder to enter oil condition lower piston rod at a place and freely stretch out and retraction, working stability is high, safe and reliable.
3, the utility model single-acting cylinder achieves freely stretching out and retraction function of piston rod, both improve the utilization ratio of resource, solve again the problem that cannot realize New function in equipment because of space and resource restriction, filled up in equipment research and development and transformation and realized with single-acting cylinder the blank that piston rod freely bounces back, using scope is wide.
4, the utility model by arranging O RunddichtringO between piston and cylinder body, arranges metal o-ring, achieve oil hydraulic cylinder long-time running ne-leakage, good airproof performance, reduce the operation expense of oil hydraulic cylinder, saved man power and material between cylinder cap and cylinder body.
5, the utility model reduces user cost, improves utilization efficiency, and manufactures simple, low cost of manufacture.
Below by drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the worm's eye view of Fig. 1.
Description of reference numerals:
1-cylinder cap; 2-metal o-ring; 3-O RunddichtringO;
4-cylinder body; 5-reposition element; 6-piston rod;
7-piston; 8-filler opening; 9-mounting hole.
Embodiment
As shown in Figure 1, the utility model comprises cylinder body 4, cylinder cap 1, piston 7 and piston rod 6, described cylinder cap 1 coordinates with the port sealing of cylinder body 4, described cylinder cap 1 is provided with filler opening 8, described piston 7 is arranged in cylinder body 4, one end of described piston rod 6 is passed the bottom of cylinder body 4 and is fixedly connected with piston 7, and described piston rod 6 is provided with the reposition element 5 bounced back for promoting piston rod 6, described reposition element 5 is arranged in cylinder body 4.
As shown in Figure 1, between described piston 7 and cylinder body 4, be provided with O RunddichtringO 3, between described cylinder cap 1 and cylinder body 4, be provided with metal o-ring 2, achieve oil hydraulic cylinder long-time running ne-leakage, reduce the operation expense of oil hydraulic cylinder, saved man power and material.
In the present embodiment, described reposition element 5 is spring, and described spring housing is located on piston rod 6, and one end of described spring contacts with piston 7, and the other end of described spring contacts with the bottom of cylinder body 4.
As shown in Figure 2, the periphery of described cylinder cap 1 is evenly provided with multiple mounting hole 9, for the connection between cylinder cap 1 and cylinder body 4, and the connection between cylinder cap 1 and equipment.
As shown in Figure 2, described filler opening 8 is arranged on the center of cylinder cap 1.
Working principle of the present utility model is: hydraulic oil enters in cylinder body 4 through filler opening 8, promotes piston 7, piston rod 6 and reposition element 5 and runs, realize piston rod 6 and stretch out to promote load and move ahead.When hydraulic oil is flowed out by the filler opening 8 on cylinder cap 1, reposition element 5 sheathed on piston rod 6 works, and promotes piston 7 and piston rod 6 bounces back, and band dynamic load retreats, achieve oil hydraulic cylinder and enter the function that oil condition lower piston rod freely bounces back at a place, piston rod stretch out and bounce back convenient.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solutions of the utility model.
Claims (6)
1. a single-action hydraulic cylinder, it is characterized in that: comprise cylinder body (4), cylinder cap (1), piston (7) and piston rod (6), described cylinder cap (1) coordinates with the port sealing of cylinder body (4), described cylinder cap (1) is provided with filler opening (8), described piston (7) is arranged in cylinder body (4), one end of described piston rod (6) is passed the bottom of cylinder body (4) and is fixedly connected with piston (7), described piston rod (6) is provided with the reposition element (5) bounced back for promoting piston rod (6), described reposition element (5) is arranged in cylinder body (4).
2. according to a kind of single-action hydraulic cylinder according to claim 1, it is characterized in that: between described piston (7) and cylinder body (4), be provided with O RunddichtringO (3).
3. according to a kind of single-action hydraulic cylinder described in claim 1 or 2, it is characterized in that: between described cylinder cap (1) and cylinder body (4), be provided with metal o-ring (2).
4. according to a kind of single-action hydraulic cylinder described in claim 1 or 2, it is characterized in that: described reposition element (5) is spring, described spring housing is located on piston rod (6), one end of described spring contacts with piston (7), and the other end of described spring contacts with the bottom of cylinder body (4).
5. according to a kind of single-action hydraulic cylinder described in claim 1 or 2, it is characterized in that: the periphery of described cylinder cap (1) is evenly provided with multiple mounting hole (9).
6. according to a kind of single-action hydraulic cylinder described in claim 1 or 2, it is characterized in that: described filler opening (8) is arranged on the center of cylinder cap (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520832862.0U CN205078542U (en) | 2015-10-26 | 2015-10-26 | Single -acting hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520832862.0U CN205078542U (en) | 2015-10-26 | 2015-10-26 | Single -acting hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205078542U true CN205078542U (en) | 2016-03-09 |
Family
ID=55430956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520832862.0U Active CN205078542U (en) | 2015-10-26 | 2015-10-26 | Single -acting hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205078542U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108750834A (en) * | 2018-06-07 | 2018-11-06 | 天地科技股份有限公司 | A kind of high-pressure rubber pipe is harvested and stored device automatically |
| CN111230917A (en) * | 2020-02-21 | 2020-06-05 | 江苏工程职业技术学院 | Industrial robot clamping structure |
| CN111491748A (en) * | 2017-12-11 | 2020-08-04 | Cml国际有限公司 | Hydraulic operated rotary pipe bender |
-
2015
- 2015-10-26 CN CN201520832862.0U patent/CN205078542U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111491748A (en) * | 2017-12-11 | 2020-08-04 | Cml国际有限公司 | Hydraulic operated rotary pipe bender |
| CN111491748B (en) * | 2017-12-11 | 2023-03-14 | Cml国际有限公司 | Hydraulic operated rotary pipe bender |
| CN108750834A (en) * | 2018-06-07 | 2018-11-06 | 天地科技股份有限公司 | A kind of high-pressure rubber pipe is harvested and stored device automatically |
| CN111230917A (en) * | 2020-02-21 | 2020-06-05 | 江苏工程职业技术学院 | Industrial robot clamping structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |