CN112128373A - High-strength piston rod with bending-resistant structure - Google Patents
High-strength piston rod with bending-resistant structure Download PDFInfo
- Publication number
- CN112128373A CN112128373A CN202011199939.7A CN202011199939A CN112128373A CN 112128373 A CN112128373 A CN 112128373A CN 202011199939 A CN202011199939 A CN 202011199939A CN 112128373 A CN112128373 A CN 112128373A
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- CN
- China
- Prior art keywords
- piston rod
- wall
- rod
- cylinder body
- bending
- 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.)
- Pending
Links
- 238000005452 bending Methods 0.000 title claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 26
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J7/00—Piston-rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
- F15B15/1457—Piston rods
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Actuator (AREA)
Abstract
The invention discloses a high-strength piston rod with an anti-bending structure, which comprises a fixed seat, a reinforcing mechanism, a cleaning mechanism and a dismounting mechanism, wherein a cylinder body is arranged on one side of the fixed seat; the reinforcing mechanism comprises a sliding rail located on the outer wall of the cylinder body, the inner wall of the cylinder body is matched with the piston rod, and the outer wall of the piston rod is provided with a front supporting ring. According to the invention, the front support ring, the rear support ring and the reinforcing rod are arranged, when the piston rod extends out and moves outwards, the front support ring moves outwards, meanwhile, the rear support ring slides on the outer wall of the cylinder body under the connecting action of the front connecting rod, the reinforcing rod and the rear connecting rod, and when the top end of the piston rod is subjected to lateral force, the lateral force applied to the piston rod is reduced through the decomposition of the front support ring, the front connecting rod, the reinforcing rod and the rear connecting rod, so that the aim of bending resistance of the piston rod is achieved.
Description
Technical Field
The invention relates to the field of piston rods, in particular to a high-strength piston rod with an anti-bending structure.
Background
The piston rod is a connecting component for supporting the piston to do work, most of the piston rod is applied to an oil cylinder and an air cylinder movement executing component, and the piston rod is a movement component with frequent movement and high technical requirement; taking a hydraulic oil cylinder as an example, the hydraulic oil cylinder consists of a cylinder barrel, a piston rod, a piston and an end cover; the quality of the processing quality directly influences the service life and reliability of the whole product; the piston rod has high processing requirement, the surface roughness requirement of the piston rod is Ra0.4-0.8 mu m, and the requirements on coaxiality and wear resistance are strict; the oil cylinder rod is basically characterized in that a slender shaft is machined, and the machining difficulty is high, so that the oil cylinder rod always troubles machining personnel.
The existing piston rod has the phenomenon of bending deformation of the piston rod in the using process, and once the piston rod is bent, the cylinder body is scrapped, so that greater loss is caused; the existing piston rod is not provided with a self-cleaning device, when the piston rod extends out, particles such as dust in the environment and the like are attached to the outer surface of the piston rod, when the piston rod contracts, the contraction resistance is increased, and even the piston rod and a piston cylinder are scratched.
Disclosure of Invention
In view of the above problems, it is an object of the present invention to provide a high-strength piston rod having a bending-resistant structure.
In order to achieve the purpose, the invention provides the following technical scheme: a high-strength piston rod with an anti-bending structure comprises a fixed seat, a reinforcing mechanism, a cleaning mechanism and a disassembling mechanism, wherein a cylinder body is arranged on one side of the fixed seat;
the reinforcing mechanism comprises a sliding rail positioned on the outer wall of the cylinder body, the inner wall of the cylinder body is matched with a piston rod, the outer wall of the piston rod is provided with a front supporting ring, the outer walls of two ends of the front supporting ring are fixedly connected with a front connecting rod, the other end of the front connecting rod is provided with a reinforcing rod, the other end of the reinforcing rod is provided with a rear connecting rod, the other end of the rear connecting rod is provided with a rear supporting ring matched with the outer wall of the cylinder body, and the inner wall of the rear supporting ring is provided with a sliding chute;
wherein, clean mechanism is including being located the clean ring of cylinder body one end, the inner wall of clean ring is provided with the sponge.
Preferably, the disassembly body is including being located the inside spacing hole of piston rod, the inside of preceding supporting ring is provided with logical groove, the inside that leads to the groove is provided with the bayonet lock, the outer wall of bayonet lock is provided with the stationary blade, the outer wall of bayonet lock is located one side fixedly connected with spring of stationary blade.
Preferably, the inner wall of the top end of the cleaning ring is provided with an internal thread, and the outer wall of one end of the cylinder body is provided with an external thread meshed with the internal thread of the cleaning ring.
Preferably, the other end of the spring is fixedly connected with the top end of the through groove.
Preferably, the sponge is in fit contact with the outer wall of the piston rod, and the sponge is internally soaked with anti-rust oil.
Preferably, the inner wall of the sliding groove is matched with the outer wall of the sliding rail.
Preferably, the top end of the bayonet lock is matched with the inner wall of the limiting hole.
Preferably, one end of the sliding rail is fixedly contacted with one side of the fixed seat, and the length of the reinforcing rod is equal to the extension amount of the piston rod.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the front support ring, the rear support ring and the reinforcing rod are arranged, when the piston rod extends out and moves outwards, the front support ring moves outwards, meanwhile, the rear support ring slides on the outer wall of the cylinder body under the connecting action of the front connecting rod, the reinforcing rod and the rear connecting rod, and when the top end of the piston rod is subjected to lateral force, the lateral force applied to the piston rod is reduced through the decomposition of the front support ring, the front connecting rod, the reinforcing rod and the rear connecting rod, so that the aim of bending resistance of the piston rod is achieved.
2. According to the invention, the cleaning ring and the sponge are arranged, when the piston rod stretches and retracts and passes through the cleaning ring at the top end of the cylinder body, the sponge on the inner wall of the cleaning ring cleans the outer wall of the piston rod, and meanwhile, the sponge contains anti-rust oil to wipe the outer wall of the piston rod, so that the piston rod is cleaned, lubricated and subjected to anti-rust treatment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a cleaning ring of the present invention;
FIG. 3 is an enlarged view of the invention at A;
FIG. 4 is a schematic view illustrating the engagement between the piston rod 8 and the front support ring according to the present invention;
FIG. 5 is an enlarged view of the invention at B;
FIG. 6 is a schematic view of the structure of the latch, spring and fixing plate of the present invention.
In the figure: 1. a fixed seat; 2. a cylinder body; 3. a slide rail; 4. cleaning the ring; 5. a sponge; 6. a reinforcing bar; 7. a bayonet lock; 8. a piston rod; 9. a front link; 10. a front support ring; 11. a rear support ring; 12. a rear connecting rod; 13. a fixing sheet; 14. a chute; 15. a through groove; 16. a spring; 17. and a limiting hole.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a high-strength piston rod with an anti-bending structure includes a fixing base 1, a reinforcing mechanism, a cleaning mechanism, and a detaching mechanism, wherein a cylinder body 2 is disposed on one side of the fixing base 1;
the reinforcing mechanism comprises a sliding rail 3 positioned on the outer wall of the cylinder body 2, the inner wall of the cylinder body 2 is matched with a piston rod 8, the outer wall of the piston rod 8 is provided with a front supporting ring 10, the outer walls of two ends of the front supporting ring 10 are fixedly connected with a front connecting rod 9, the other end of the front connecting rod 9 is provided with a reinforcing rod 6, the other end of the reinforcing rod 6 is provided with a rear connecting rod 12, the other end of the rear connecting rod 12 is provided with a rear supporting ring 11 matched with the outer wall of the cylinder body 2, and the inner wall of the rear supporting ring 11 is provided;
wherein, the cleaning mechanism comprises a cleaning ring 4 positioned at one end of the cylinder body 2, and the inner wall of the cleaning ring 4 is provided with a sponge 5.
Please refer to fig. 4 and 5, the detaching mechanism includes a limiting hole 17 located inside the piston rod 8, a through slot 15 is disposed inside the front support ring 10, a locking pin 7 is disposed inside the through slot 15, a fixing piece 13 is disposed on an outer wall of the locking pin 7, and a spring 16 is fixedly connected to one side of the fixing piece 13 on an outer wall of the locking pin 7, so as to detach the front support ring 10 fixed on the outer wall of the piston rod 8.
Please refer to fig. 2, the inner wall of the top end of the cleaning ring 4 is provided with an internal thread, and the outer wall of one end of the cylinder body 2 is provided with an external thread engaged with the internal thread of the cleaning ring 4, so as to facilitate the detachment of the cleaning ring 4.
Please refer to fig. 5 and 6, the other end of the spring 16 is fixedly connected to the top end of the through slot 15, so that the supporting spring 16 can eject the fixing piece 13 to the bottom end by the elastic force, and the bottom end of the locking pin 7 is engaged with the limiting hole 17.
Please refer to fig. 2, the sponge 5 is in contact with the outer wall of the piston rod 8, the sponge 5 is immersed in the rust preventive oil, so that the piston rod 8 can extend and contract and simultaneously contact the inner surface of the sponge 5, and the sponge 5 cleans the outer wall of the piston rod 8 and simultaneously coats the rust preventive oil immersed in the sponge 5 on the outer wall of the piston rod 8.
Please refer to fig. 3, the inner wall of the sliding groove 14 is engaged with the outer wall of the sliding rail 3, so as to facilitate the sliding of the rear supporting ring 11 on the outer wall of the cylinder 2.
Please refer to fig. 5, the top of the latch 7 is engaged with the inner wall of the limiting hole 17, so that the top of the latch 7 is engaged with the limiting hole 17.
Please refer to fig. 1, one end of the slide rail 3 is in fixed contact with one side of the fixing base 1, and the length of the reinforcing rod 6 is equal to the extension of the piston rod 8, so that the piston rod 8 can be extended and contracted to drive the rear support ring 11 to slide through the connection of the reinforcing rod 6 without separating from the cylinder body 2.
The working principle is as follows: firstly, before the device operates, a front supporting ring 10 is fixed on the outer wall of a piston rod 8, when the piston rod 8 extends out and moves outwards, the front supporting ring 10 moves outwards, meanwhile, a rear supporting ring 11 slides on the outer wall of a cylinder body 2 under the connecting action of a front connecting rod 9, a reinforcing rod 6 and a rear connecting rod 12, when the top end of the piston rod 8 is subjected to lateral force, the lateral force applied to the piston rod 8 is reduced through the decomposition of the front supporting ring 10, the front connecting rod 9, the reinforcing rod 6 and the rear connecting rod 12, so that the aim of resisting bending of the piston rod 8 is fulfilled, when the piston rod 8 extends and contracts and passes through a cleaning ring 4 at the top end of the cylinder body 2, the sponge 5 on the inner wall of the cleaning ring 4 cleans the outer wall of the piston rod 8, meanwhile, antirust oil contained in the sponge 5 is wiped on the outer wall of the piston rod 8, the piston rod 8 is lubricated and subjected to antirust treatment, when, the top end of the bayonet 7 is separated from the limiting hole 17 by pulling up the bayonet 7, then the front support ring 10 is drawn out of the piston rod 8, and then the cleaning ring 4 is rotated, screwed off and replaced, and then the front support ring 10 is clamped on the outer wall of the piston rod 8 through the bayonet 7.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive.
Claims (8)
1. The utility model provides a piston rod of high strength with anti crooked structure, includes fixing base (1), strengthens mechanism, clean mechanism, disassembly body, its characterized in that: a cylinder body (2) is arranged on one side of the fixed seat (1); the reinforcing mechanism comprises a sliding rail (3) positioned on the outer wall of the cylinder body (2), the inner wall of the cylinder body (2) is matched with a piston rod (8), the outer wall of the piston rod (8) is provided with a front supporting ring (10), the outer walls of the two ends of the front supporting ring (10) are fixedly connected with a front connecting rod (9), the other end of the front connecting rod (9) is provided with a reinforcing rod (6), the other end of the reinforcing rod (6) is provided with a rear connecting rod (12), the other end of the rear connecting rod (12) is provided with a rear supporting ring (11) matched with the outer wall of the cylinder body (2), and the inner wall of the rear supporting ring (11) is provided with a sliding chute (14; the cleaning mechanism comprises a cleaning ring (4) positioned at one end of the cylinder body (2), and the inner wall of the cleaning ring (4) is provided with a sponge (5).
2. A high-strength piston rod having a bending-resistant structure according to claim 1, wherein: the disassembly mechanism comprises a limiting hole (17) located inside a piston rod (8), a through groove (15) is formed in the front support ring (10), a clamping pin (7) is arranged inside the through groove (15), a fixing piece (13) is arranged on the outer wall of the clamping pin (7), and a spring (16) is fixedly connected to one side, located on the fixing piece (13), of the outer wall of the clamping pin (7).
3. A high-strength piston rod having a bending-resistant structure according to claim 1, wherein: the inner wall of the top end of the cleaning ring (4) is provided with an internal thread, and the outer wall of one end of the cylinder body (2) is provided with an external thread meshed with the internal thread of the cleaning ring (4).
4. A high-strength piston rod having a bending-resistant structure according to claim 2, wherein: the other end of the spring (16) is fixedly connected with the top end of the through groove (15).
5. A high-strength piston rod having a bending-resistant structure according to claim 1, wherein: the sponge (5) is in fit contact with the outer wall of the piston rod (8), and the sponge (5) is internally soaked with anti-rust oil.
6. A high-strength piston rod having a bending-resistant structure according to claim 1, wherein: the inner wall of the sliding groove (14) is matched with the outer wall of the sliding rail (3).
7. A high-strength piston rod having a bending-resistant structure according to claim 2, wherein: the top end of the bayonet (7) is matched with the inner wall of the limiting hole (17).
8. A high-strength piston rod having a bending-resistant structure according to claim 1, wherein: one end of the sliding rail (3) is fixedly contacted with one side of the fixed seat (1), and the length of the reinforcing rod (6) is equal to the elongation of the piston rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011199939.7A CN112128373A (en) | 2020-11-02 | 2020-11-02 | High-strength piston rod with bending-resistant structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011199939.7A CN112128373A (en) | 2020-11-02 | 2020-11-02 | High-strength piston rod with bending-resistant structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112128373A true CN112128373A (en) | 2020-12-25 |
Family
ID=73852480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011199939.7A Pending CN112128373A (en) | 2020-11-02 | 2020-11-02 | High-strength piston rod with bending-resistant structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112128373A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855653A (en) * | 2021-01-06 | 2021-05-28 | 安徽鼎图液压设备有限公司 | Sealed double-acting single-piston-rod hydraulic cylinder |
| CN113915197A (en) * | 2021-11-11 | 2022-01-11 | 宁波雄镇科技有限公司 | Anti-loosening connecting structure for high-precision piston rod |
| CN114749313A (en) * | 2022-03-18 | 2022-07-15 | 浙江迦南科技股份有限公司 | Spray gun support structure convenient to adjust |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10288206A (en) * | 1997-04-14 | 1998-10-27 | Ckd Corp | Fluid pressure cylinder and manifold cylinder device |
| CN209510777U (en) * | 2019-01-30 | 2019-10-18 | 湘潭市湘江液压件制造有限公司 | It is a kind of to be easily installed fixed hydraulic cylinder |
| CN210919622U (en) * | 2019-08-02 | 2020-07-03 | 深圳市凯迪尔自动化技术有限公司 | Linear cylinder |
| CN211009348U (en) * | 2019-08-02 | 2020-07-14 | 深圳市北港高科技发展有限公司 | Guide rod ultrathin cylinder structure |
| CN211343550U (en) * | 2019-11-20 | 2020-08-25 | 四川长信液压机械制造股份有限公司 | Mechanical compensation formula hydraulic cylinder |
| CN211449263U (en) * | 2019-12-25 | 2020-09-08 | 山东省药用玻璃股份有限公司 | Cylinder at bottom of mould |
| CN211501159U (en) * | 2019-12-20 | 2020-09-15 | 苏州森姆斯精密机械有限公司 | Safety protection type pneumatic rod |
-
2020
- 2020-11-02 CN CN202011199939.7A patent/CN112128373A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10288206A (en) * | 1997-04-14 | 1998-10-27 | Ckd Corp | Fluid pressure cylinder and manifold cylinder device |
| CN209510777U (en) * | 2019-01-30 | 2019-10-18 | 湘潭市湘江液压件制造有限公司 | It is a kind of to be easily installed fixed hydraulic cylinder |
| CN210919622U (en) * | 2019-08-02 | 2020-07-03 | 深圳市凯迪尔自动化技术有限公司 | Linear cylinder |
| CN211009348U (en) * | 2019-08-02 | 2020-07-14 | 深圳市北港高科技发展有限公司 | Guide rod ultrathin cylinder structure |
| CN211343550U (en) * | 2019-11-20 | 2020-08-25 | 四川长信液压机械制造股份有限公司 | Mechanical compensation formula hydraulic cylinder |
| CN211501159U (en) * | 2019-12-20 | 2020-09-15 | 苏州森姆斯精密机械有限公司 | Safety protection type pneumatic rod |
| CN211449263U (en) * | 2019-12-25 | 2020-09-08 | 山东省药用玻璃股份有限公司 | Cylinder at bottom of mould |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855653A (en) * | 2021-01-06 | 2021-05-28 | 安徽鼎图液压设备有限公司 | Sealed double-acting single-piston-rod hydraulic cylinder |
| CN113915197A (en) * | 2021-11-11 | 2022-01-11 | 宁波雄镇科技有限公司 | Anti-loosening connecting structure for high-precision piston rod |
| CN114749313A (en) * | 2022-03-18 | 2022-07-15 | 浙江迦南科技股份有限公司 | Spray gun support structure convenient to adjust |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201225 |