CN211852346U - Hydraulic cylinder with protective device - Google Patents
Hydraulic cylinder with protective device Download PDFInfo
- Publication number
- CN211852346U CN211852346U CN201922117056.6U CN201922117056U CN211852346U CN 211852346 U CN211852346 U CN 211852346U CN 201922117056 U CN201922117056 U CN 201922117056U CN 211852346 U CN211852346 U CN 211852346U
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- Prior art keywords
- cylinder
- outer sleeve
- heat dissipation
- ring
- cylinder barrel
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Abstract
The utility model discloses a pneumatic cylinder with protector, including the cylinder, the upper end opening part fixed mounting of cylinder has the jar seat, the lower extreme opening part fixed mounting of cylinder has the cylinder cap, the inboard fixed mounting of cylinder cap has the dust ring, the inboard of dust ring is provided with the plunger rod. According to the hydraulic cylinder with the protection device, the outer side of the plunger rod is protected through the outer sleeve, so that the plunger rod is prevented from being collided, dust on the plunger rod is reduced, and the outer sleeve protects the cylinder barrel when the plunger rod is in a retraction state, so that the cylinder barrel is prevented from being directly collided; the air cooling mode is adopted, the temperature of the cylinder barrel is reduced, the cylinder barrel is prevented from bursting due to high temperature, and the cylinder barrel and internal elements are effectively protected; the piston is buffered through the upper buffer spring and the lower buffer spring which are arranged, the piston is prevented from directly colliding with the cylinder seat and the cylinder cover, noise is reduced, the piston, the cylinder seat and the cylinder cover are effectively protected, and the service life is prolonged.
Description
Technical Field
The utility model relates to a pneumatic cylinder technical field specifically is a pneumatic cylinder with protector.
Background
The piston type hydraulic cylinder can be divided into a single-rod type structure and a double-rod type structure, the fixing mode is that a cylinder body is fixed and a piston rod is fixed, a single-acting type and a double-acting type are provided according to the action condition of hydraulic pressure, in the single-acting type hydraulic cylinder, pressure oil only supplies one cavity of the hydraulic cylinder, the cylinder is enabled to realize unidirectional movement by the hydraulic pressure, the opposite direction movement is close to external force, the movement of the piston of the double-acting type hydraulic cylinder in two directions is completed by alternately feeding oil through the two cavities and by the action of the hydraulic pressure.
But present pneumatic cylinder all exposes in the external world in the use, easily receives the collision of foreign object, leads to the cylinder barrel to warp, early causes the damage to inside component even, and the pneumatic cylinder can produce high temperature in the use simultaneously, and the high temperature easily leads to the condition that the pneumatic cylinder bursts to appear, and the pneumatic cylinder is when stretching out and drawing back to the limit simultaneously, and the piston can collide with cylinder seat and cylinder cap, produces the noise, has reduced the life of pneumatic cylinder.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pneumatic cylinder with protector, in order to solve and to present among the above-mentioned background art that the pneumatic cylinder is in the use now, all expose in the external world, easily receive the collision of foreign object, lead to the cylinder to warp, early damage to inside component causes even, the pneumatic cylinder is in the use simultaneously, can produce high temperature, high temperature easily leads to the condition that the pneumatic cylinder bursts to appear, the pneumatic cylinder is when stretching out and drawing back to the limit simultaneously, the piston can collide with cylinder seat and cylinder cap, the noise is produced, the problem of the life of pneumatic cylinder has been reduced.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pneumatic cylinder with protector, includes the cylinder, the upper end opening part fixed mounting of cylinder has the cylinder seat, the lower extreme opening part fixed mounting of cylinder has the cylinder cap, the inboard fixed mounting of cylinder cap has the dust ring, the inboard of dust ring is provided with the plunger rod, the upper end of plunger rod extends to the inside of cylinder, the lower extreme of plunger rod extends to the outside of cylinder, the upper end fixed mounting of plunger rod has the piston, the outside fixed mounting of piston has sealing washer and wear-resisting ring, wear-resisting ring sets up the intermediate position in the piston outer lane, the piston is provided with two upper and lower both sides at wear-resisting ring, the outside of cylinder is provided with the outer sleeve.
Preferably, the upper part of the outer side of the outer sleeve is provided with two ventilation openings in bilateral symmetry, the upper end and the lower end of the outer sleeve are both in an open structure, the inner diameter of an opening at the upper end of the outer sleeve is smaller than the inner diameter of the outer sleeve, the inner diameter of the opening at the upper end of the outer sleeve is the same as the outer diameter of the cylinder barrel, and the upper end of the outer sleeve is provided with a notch.
Preferably, the upper limiting ring is fixedly mounted at the upper part of the outer side of the cylinder barrel, the lower limiting ring is fixedly mounted at the lower part of the outer side of the cylinder barrel, the upper limiting ring and the lower limiting ring have the same diameter, the diameters of the upper limiting ring and the lower limiting ring are larger than the inner diameter of the upper end opening of the outer sleeve, and the diameters of the upper limiting ring and the lower limiting ring are the same as the inner diameter of the outer sleeve.
Preferably, the vent department in the outer sleeve outside is provided with the heat dissipation casing, the heat dissipation casing is provided with two altogether, the equal fixed mounting in upper and lower both ends of heat dissipation casing has solid fixed ring, gu fixed ring's internal diameter is the same with the maximum external diameter of outer sleeve.
Preferably, a heat dissipation motor is fixedly mounted on the inner side of the heat dissipation shell through a support, and a heat dissipation fan is fixedly mounted on an output shaft of the heat dissipation motor.
Preferably, the top end of the inner side of the cylinder barrel is fixedly provided with an upper buffer spring, and the bottom of the inner side of the cylinder barrel is fixedly provided with a lower buffer spring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the hydraulic cylinder with the protection device, the plunger rod drives the outer sleeve to slide up and down on the outer side of the cylinder barrel in the telescopic process, the outer side of the plunger rod is protected through the outer sleeve, the plunger rod is prevented from being collided, meanwhile, dust infected on the plunger rod is reduced, and the outer sleeve protects the cylinder barrel when the plunger rod is in a retraction state, so that the cylinder barrel is prevented from being directly collided;
2. according to the hydraulic cylinder with the protective device, a certain gap exists between the outer sleeve and the cylinder barrel, the heat dissipation fan is driven to rotate at a high speed to generate wind power, the wind is blown into the gap to cool the cylinder barrel, the temperature of the cylinder barrel is reduced, the cylinder barrel is prevented from bursting due to high temperature, and the cylinder barrel and internal elements are effectively protected;
3. this pneumatic cylinder with protector cushions the piston through last buffer spring and lower buffer spring that sets up, prevents that the piston from directly colliding with jar seat and cylinder cap, and the noise reduction effectively protects piston, jar seat and cylinder cap simultaneously, increase of service life.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is a schematic structural view of the outer sleeve of the present invention;
fig. 4 is a schematic view of the mounting structure of the heat dissipation housing of the present invention;
fig. 5 is a schematic view of the inner side structure of the heat dissipation housing of the present invention.
In the figure: 1. a cylinder barrel; 2. a cylinder base; 3. a cylinder cover; 4. a dust ring; 5. a plunger rod; 6. a piston; 7. a seal ring; 8. a wear ring; 9. an outer sleeve; 10. a vent; 11. a notch; 12. an upper limiting ring; 13. a lower limit ring; 14. a heat dissipating housing; 15. a fixing ring; 16. a support; 17. a heat dissipation motor; 18. a heat dissipation fan; 19. an upper buffer spring; 20. a lower buffer spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a hydraulic cylinder with a protection device comprises a cylinder barrel 1, a cylinder seat 2, a cylinder cover 3, a dustproof ring 4, a plunger rod 5, a piston 6, a sealing ring 7, a wear-resistant ring 8, an outer sleeve 9, a vent 10, a notch 11, an upper limiting ring 12, a lower limiting ring 13, a heat dissipation shell 14, a fixing ring 15, a support 16, a heat dissipation motor 17, a heat dissipation fan 18, an upper buffer spring 19 and a lower buffer spring 20, wherein the cylinder seat 2 is fixedly installed at an upper end opening of the cylinder barrel 1, the cylinder cover 3 is fixedly installed at a lower end opening of the cylinder barrel 1, the dustproof ring 4 is fixedly installed on the inner side of the cylinder cover 3, the plunger rod 5 is arranged on the inner side of the dustproof ring 4, the upper end of the plunger rod 5 extends to the inner portion of the cylinder barrel 1, the lower end of the plunger rod 5 extends to the outer portion of the cylinder barrel 1, the piston 6 is fixedly installed at the upper end of the plunger, the piston 6 is provided with two wear-resistant rings 8 at the upper side and the lower side, and an outer sleeve 9 is arranged outside the cylinder barrel 1.
Further, two ventilation openings 10 are symmetrically formed in the upper portion of the outer side of the outer sleeve 9 in a bilateral mode, the upper end and the lower end of the outer sleeve 9 are both of an opening structure, the inner diameter of an opening in the upper end of the outer sleeve 9 is smaller than the inner diameter of the outer sleeve 9, the inner diameter of an opening in the upper end of the outer sleeve 9 is the same as the outer diameter of the cylinder barrel 1, a notch 11 is formed in the upper end of the outer sleeve 9, a pipe connecting opening in the cylinder barrel 1 can conveniently pass through the notch 11, the outer sleeve 9 can conveniently slide outside the cylinder barrel 1, the lower end of the outer sleeve 9 is fixedly connected with the lower end of the plunger rod 5 through a bolt, the plunger rod 5 is driven to slide up and down outside the cylinder barrel 1 in the telescopic process, the outer side of the plunger rod.
Furthermore, an upper limit ring 12 is fixedly installed at the upper part of the outer side of the cylinder barrel 1, a lower limit ring 13 is fixedly installed at the lower part of the outer side of the cylinder barrel 1, the diameters of the upper limit ring 12 and the lower limit ring 13 are the same, the diameters of the upper limit ring 12 and the lower limit ring 13 are larger than the inner diameter of the upper end opening of the outer sleeve 9, the diameters of the upper limit ring 12 and the lower limit ring 13 are the same as the inner diameter of the outer sleeve 9, and the movement of the outer sleeve 9 is limited through the arranged upper limit ring 12 and the lower limit ring 13, so that the outer sleeve 9 is prevented from being separated from the outer side.
Furthermore, the vent 10 outside the outer sleeve 9 is provided with two heat dissipation shells 14, the two heat dissipation shells 14 are provided, the upper end and the lower end of each heat dissipation shell 14 are fixedly provided with a fixing ring 15, the inner diameter of each fixing ring 15 is the same as the maximum outer diameter of the outer sleeve 9, the heat dissipation shells 14 are stably butted with the vent 10, the heat dissipation shells 14 are sleeved outside the outer sleeve 9 through the fixing rings 15 and are fixedly locked through bolts, and the heat dissipation shells are easy to disassemble and assemble.
Further, the inboard of heat dissipation casing 14 has heat dissipation motor 17 through support 16 fixed mounting, fixed mounting has heat dissipation fan 18 on heat dissipation motor 17's the output shaft, there is certain clearance between outer sleeve 9 and the cylinder 1, connect external power supply through heat dissipation motor 17, it is high-speed rotatory to drive heat dissipation fan 18, produce wind-force, wind blows in the clearance, carry out the forced air cooling to cylinder 1, reduce the temperature of cylinder 1, prevent that cylinder 1 from leading to bursting because of high temperature, effectively protect cylinder 1 and inside component, and service life is prolonged.
Further, the inboard top fixed mounting of cylinder 1 has last buffer spring 19, and the inboard bottom fixed mounting of cylinder 1 has lower buffer spring 20, cushions piston 6 through last buffer spring 19 that sets up and lower buffer spring 20, prevents that piston 6 from directly colliding with jar seat 2 and cylinder cap 3, and noise reduction effectively protects piston 6, jar seat 2 and cylinder cap 3 simultaneously, increase of service life.
The working principle is as follows: firstly, in the using process, the plunger rod 5 drives the outer sleeve 9 to slide up and down on the outer side of the cylinder barrel 1 in the expansion process, the outer side of the plunger rod 5 is protected by the outer sleeve 9, the plunger rod 5 is prevented from being collided, dust attached to the plunger rod 5 is reduced at the same time, the plunger rod 5 is in a retraction state, the outer sleeve 9 protects the cylinder barrel 1, the cylinder barrel 1 is prevented from being directly collided, the movement of the outer sleeve 9 is limited by the arranged upper limiting ring 12 and the lower limiting ring 13, the outer sleeve 9 is prevented from being separated from the outer side of the cylinder barrel 1, a certain gap exists between the outer sleeve 9 and the cylinder barrel 1, the heat dissipation motor 17 is connected with an external power supply to drive the heat dissipation fan 18 to rotate at high speed, wind power is generated, the wind is blown into the gap, the cylinder barrel 1 is cooled by the wind, the temperature of the cylinder barrel 1 is prevented from, simultaneously cushion piston 6 through the last buffer spring 19 that sets up and buffer spring 20 down, prevent that piston 6 from directly colliding with jar seat 2 and cylinder cap 3, the noise reduction effectively protects piston 6, jar seat 2 and cylinder cap 3 simultaneously, increase of service life.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides a pneumatic cylinder with protector, includes the cylinder, its characterized in that: the utility model discloses a wear-resisting cylinder, including cylinder, cylinder cover, sealing washer, wear-resisting ring, cylinder seat, cylinder cover, wear-resisting ring, cylinder cover, wear-resisting ring.
2. The hydraulic cylinder with the guard of claim 1, wherein: two ventilation openings are symmetrically formed in the upper portion of the outer side of the outer sleeve in the bilateral mode, the upper end and the lower end of the outer sleeve are of an opening structure, the inner diameter of an opening in the upper end of the outer sleeve is smaller than the inner diameter of the outer sleeve, the inner diameter of an opening in the upper end of the outer sleeve is the same as the outer diameter of the cylinder barrel, and a notch is formed in the upper end of the.
3. The hydraulic cylinder with the guard of claim 1, wherein: the upper portion of the outer side of the cylinder barrel is fixedly provided with an upper limiting ring, the lower portion of the outer side of the cylinder barrel is fixedly provided with a lower limiting ring, the diameters of the upper limiting ring and the lower limiting ring are the same, the diameters of the upper limiting ring and the lower limiting ring are larger than the inner diameter of an upper end opening of the outer sleeve, and the diameters of the upper limiting ring and the lower limiting ring are the same as the inner diameter of the outer sleeve.
4. The hydraulic cylinder with the guard of claim 2, wherein: the utility model discloses a heat dissipation device, including outer sleeve, heat dissipation casing, the vent department in the outer sleeve outside is provided with the heat dissipation casing, the heat dissipation casing is provided with two altogether, the equal fixed mounting in both ends has solid fixed ring about the heat dissipation casing, gu fixed ring's internal diameter is the same with the biggest external diameter of outer sleeve.
5. The hydraulic cylinder with the guard of claim 4, wherein: the inboard of heat dissipation casing has the heat dissipation motor through support fixed mounting, fixed mounting has the heat dissipation fan on the output shaft of heat dissipation motor.
6. The hydraulic cylinder with the guard of claim 1, wherein: the top end of the inner side of the cylinder barrel is fixedly provided with an upper buffer spring, and the bottom of the inner side of the cylinder barrel is fixedly provided with a lower buffer spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117056.6U CN211852346U (en) | 2019-12-02 | 2019-12-02 | Hydraulic cylinder with protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922117056.6U CN211852346U (en) | 2019-12-02 | 2019-12-02 | Hydraulic cylinder with protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211852346U true CN211852346U (en) | 2020-11-03 |
Family
ID=73218131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922117056.6U Expired - Fee Related CN211852346U (en) | 2019-12-02 | 2019-12-02 | Hydraulic cylinder with protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211852346U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352601A (en) * | 2021-12-24 | 2022-04-15 | 张家港市友明机械制造有限公司 | Hydraulic cylinder with protector |
| CN115199608A (en) * | 2022-07-05 | 2022-10-18 | 江苏宁博机械制造有限公司 | Forklift lifting oil cylinder protection device |
-
2019
- 2019-12-02 CN CN201922117056.6U patent/CN211852346U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352601A (en) * | 2021-12-24 | 2022-04-15 | 张家港市友明机械制造有限公司 | Hydraulic cylinder with protector |
| CN114352601B (en) * | 2021-12-24 | 2023-12-26 | 张家港市友明机械制造有限公司 | Hydraulic cylinder with protection device |
| CN115199608A (en) * | 2022-07-05 | 2022-10-18 | 江苏宁博机械制造有限公司 | Forklift lifting oil cylinder protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 Termination date: 20211202 |