CN110529458B - High-temperature-resistant cylinder with metal scraping ring - Google Patents
High-temperature-resistant cylinder with metal scraping ring Download PDFInfo
- Publication number
- CN110529458B CN110529458B CN201910931716.6A CN201910931716A CN110529458B CN 110529458 B CN110529458 B CN 110529458B CN 201910931716 A CN201910931716 A CN 201910931716A CN 110529458 B CN110529458 B CN 110529458B
- Authority
- CN
- China
- Prior art keywords
- scraping ring
- piston rod
- wall
- end cover
- metal
- 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.)
- Active
Links
- 238000007790 scraping Methods 0.000 title claims abstract description 78
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 54
- 239000002184 metal Substances 0.000 title claims abstract description 54
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims description 8
- 229920001973 fluoroelastomer Polymers 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 7
- 239000002910 solid waste Substances 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
-
- 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
-
- 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
- F15B15/1447—Pistons; Piston to piston rod assemblies
-
- 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
- F15B15/1461—Piston rod sealings
-
- 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
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/01—Pistons; Trunk pistons; Plungers characterised by the use of particular materials
-
- 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
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Actuator (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a high-temperature resistant cylinder with a metal scraping ring, which relates to a cylinder, and comprises a cylinder body, wherein the cylinder body comprises a piston rod, a piston, a front end cover, a cylinder barrel and a rear end cover, the cylinder barrel is connected between the front end cover and the rear end cover, the piston rod passes through the middle part of the front end cover to be installed in the cylinder barrel, and the piston is connected to the outer wall of the piston rod and is positioned in the cylinder barrel; the inner wall of one end of the front end cover is connected with the metal scraping ring assembly, and the metal scraping ring assembly is hollow and sleeved on the outer wall of the piston rod. The solid waste residue of the piston rod is scraped through the metal scraping ring assembly, so that various impurities adhered to the piston rod can be completely cleaned, and the sealing ring is protected from being damaged.
Description
Technical Field
The invention relates to a cylinder, in particular to a high-temperature resistant cylinder with a metal scraping ring.
Background
In welding anchor clamps or other anchor clamps that can drip solid waste, be used for driving the cylinder piston rod of motion and can contact impurity such as welding slag, when the cylinder was moved back, the solid waste who glues on the piston rod was carried back to in the cylinder, leads to the sealing washer in the cylinder to constantly accumulate the damage, and long-time waste accumulation can cause the cylinder gas leakage, and then influences the whole beat of equipment, reduces work efficiency.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the high-temperature resistant cylinder with the metal scraping ring, and the solid waste residue of the piston rod is scraped through the metal scraping ring assembly, so that various impurities adhered to the piston rod can be completely cleaned, and the sealing ring is protected from being damaged.
The invention adopts the technical proposal for solving the technical problems that: the high-temperature-resistant air cylinder with the metal scraping ring comprises an air cylinder body, wherein the air cylinder body comprises a piston rod, a piston, a front end cover, a cylinder barrel and a rear end cover, the cylinder barrel is connected between the front end cover and the rear end cover, the piston rod penetrates through the middle of the front end cover to be installed in the cylinder barrel, and the piston is connected to the outer wall of the piston rod and is positioned in the cylinder barrel; the inner wall of one end of the front end cover is connected with the metal scraping ring assembly, and the metal scraping ring assembly is hollow and sleeved on the outer wall of the piston rod.
Further, the metal scraping ring assembly comprises a scraping ring sleeve and a metal scraping ring, the metal scraping ring is installed in a scraping ring groove formed in one end of the scraping ring sleeve in an interference mode, two adjacent lining grooves are formed in the inner wall of the scraping ring sleeve, an inner sealing groove is formed between the two lining grooves, an oil-free lining is installed in the lining grooves in an interference mode, and a V-shaped sealing ring is arranged in the inner sealing groove; the outer wall of the scraping ring sleeve is provided with an outer sealing groove, and an O-shaped sealing ring is arranged in the outer sealing groove.
Further, the oil-free bushing and the V-shaped sealing ring are positioned between the inner wall of the scraping ring sleeve and the outer wall of the piston rod; the O-shaped sealing ring is positioned between the outer wall of the scraping ring sleeve and the inner wall of the front end cover.
Further, a slot for accommodating the tail end of the piston rod is formed in the middle of the rear end cover.
Further, the metal scraping ring is made of copper.
Furthermore, the scraping ring sleeve is made of aluminum, and the V-shaped sealing ring and the O-shaped sealing ring are made of fluororubber materials.
Furthermore, the piston is made of fluororubber material.
Further, when the piston rod performs drawing motion, the outer wall of the piston rod is contacted with the inner wall of the metal scraper ring.
Further, the cylinder barrel is connected with the front end cover and the rear end cover through connecting screws.
The beneficial effects of the invention are as follows: the front end cover one end is connected with the metal and is scraped the ring subassembly, when the piston rod is moved back, the metal is scraped the ring subassembly and is hung its outer wall contact and is hung the solid waste who glues on its surface, avoided the piston rod to bring its surface impurity back to the cylinder in the cylinder pollute and scratch the sealing washer and the problem of gas leakage, non-metalwork material selects fluororubber material, and 130 ℃ is high temperature resistant at the maximum, consequently can be applied to the high temperature operating mode with the cylinder, has expanded its range of application.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of the present invention;
FIG. 3 is a schematic view of a wiper sleeve according to the present invention;
FIG. 4 is a schematic view of a metal wiper ring assembly according to the present invention;
fig. 5 is an external view of the whole structure of the present invention.
Reference numerals in the drawings are as follows: 1. the device comprises a piston rod, 2, a metal scraping ring assembly, 2-1, a metal scraping ring, 2-2, a scraping ring sleeve, 2-3, an O-shaped sealing ring, 2-4, a V-shaped sealing ring, 2-5, an oilless bushing, 3, a front end cover, 4, a cylinder barrel, 5, a piston, 6, a rear end cover, 6-1, a slot, 7, a connecting screw, 8, a scraping table, 9, a scraping ring seat, 10, a mounting tightening groove, 11, an outer sealing groove, 12 and a scraping ring groove.
Detailed Description
The invention is further described with reference to fig. 1-2.
Example 1
The application provides a metal scraping ring assembly 2 capable of scraping solid waste residues on the surface of a cylinder piston rod, which comprises a scraping ring sleeve 2-2 and a metal scraping ring 2-1, wherein the scraping ring sleeve 2-2 is of an aluminum annular structure with a certain height, a plurality of grooves with different depths and widths are formed in the port, the inner wall and the outer wall of the scraping ring sleeve 2-2 and are used for accommodating different assemblies, preferably, the metal scraping ring 2-1 is installed in a scraping ring groove 12 formed in one end of the scraping ring sleeve 2-2 in an interference manner, two adjacent lining grooves are formed in the inner wall of the scraping ring sleeve 2-2, an inner sealing groove is formed between the two lining grooves, an oil-free lining 2-5 is installed in the lining grooves in an interference manner, and a V-shaped sealing ring 2-4 is arranged in the inner sealing groove; an outer sealing groove 11 is formed in the outer wall of the scraping ring sleeve 2-2, and an O-shaped sealing ring 2-3 is arranged in the outer sealing groove 11. The metal scraping ring 2-1 is made of copper. The V-shaped sealing ring 2-4 and the O-shaped sealing ring 2-3 are made of fluororubber materials and are high-temperature resistant.
The outer wall of the scraping ring sleeve 2-2 is also provided with a plurality of grooves for being matched and clamped with the front end cover 3 of the cylinder body, and a plurality of installation tightening grooves 10 for being tightly tightened with peripheral components.
Preferably, the height of the metal scraping ring assembly 2 can be set correspondingly according to the cylinder size of practical application.
Example 2
As shown in fig. 1, this embodiment provides a mating connection structure of the metal wiper ring assembly 2 and the cylinder body: the high-temperature-resistant air cylinder with the metal scraping ring comprises an air cylinder body, wherein the air cylinder body comprises a piston rod 1, a piston 5, a front end cover 3, a cylinder barrel 4 and a rear end cover 6, the cylinder barrel 4 is connected between the front end cover 3 and the rear end cover 6 through a connecting screw 7, the piston rod 1 is installed in the cylinder barrel 4 through the middle of the front end cover 3, and the piston 5 is connected to the outer wall of the piston rod 1 and is positioned in the cylinder barrel 4; the middle part of the front end cover 3 is provided with a movable through groove, the piston rod 1 performs ejection or withdrawal in the movable through groove, the inner wall of one end of the front end cover 3 is connected with the metal scraping ring assembly 2, the inner wall of the front end cover 3 is provided with a plurality of bosses which are used for being matched and clamped with the outer wall of the scraping ring sleeve 2-2, and the metal scraping ring assembly 2 is hollow and sleeved on the outer wall of the piston rod 1. The middle part of the rear end cover 6 is provided with a slot 6-1 for accommodating the tail end of the piston rod 1, and the slot 6-1 plays a role in buffering the piston rod 1; the piston 5 is made of fluororubber material and is high-temperature resistant.
According to the structure of the metal scraping ring assembly 2 provided in the embodiment 1, an oil-free bushing 2-5 and a V-shaped sealing ring 2-4 are positioned between the inner wall of the scraping ring sleeve 2-2 and the outer wall of the piston rod 1; the O-shaped sealing ring 2-3 is positioned between the outer wall of the scraping ring sleeve 2-2 and the inner wall of the front end cover 3; the oilless bushing 2-5 serves as a guide for the piston rod 1. When the piston rod 1 performs drawing motion, the outer wall of the piston rod 1 is contacted with the inner wall of the metal scraping ring 2-1.
The action principle of the invention: the piston rod 1 and the piston 5 are fixedly connected through bolts, the piston rod 1 drives the piston 5 to slide in the cylinder barrel 4, the oilless bushing 2-5 and the slot 6-1 play a guiding role on the piston rod 1, so that the piston rod 1 keeps linear motion, when the piston rod 1 retreats, the outer wall of the piston rod, which is stuck with solid impurities, contacts with the inner wall of the metal scraping ring 2-1, the metal scraping ring 2-1 scrapes off the redundant impurities, meanwhile, the tail end of the piston rod 1 retreats into the slot 6-1, and the V-shaped sealing ring 2-4 and the O-shaped sealing ring 2-3 are used for sealing high-pressure gas.
In this embodiment, the piston rod 1 is made of steel, and the metal scraper ring 2-1 is preferably made of copper, because copper is softer than steel, during the contact process of the metal scraper ring 2-1 and the piston rod 1, even if abrasion occurs for a long time, only the metal scraper ring 2-1 will be abraded, the cylinder piston rod 1 will not be damaged, after the metal scraper ring 2-1 is damaged, the metal scraper ring 2-1 can be directly replaced without replacing the whole cylinder, and the operation of the work of the whole device will not be affected.
Preferably, the metal scraping ring 2-1 comprises a scraping table 8 and a scraping ring seat 9 which are connected, the diameter of the scraping table 8 is smaller than that of the scraping ring seat 9, and the connection angle between the scraping table 8 and the scraping ring seat 9 is larger than 90 degrees, so that an acute angle smaller than 90 degrees is formed between the outer side wall of the scraping table 8 and the outer wall of the piston rod 1, and impurities are scraped more thoroughly.
While the invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The high-temperature-resistant air cylinder with the metal scraping ring comprises an air cylinder body, and is characterized in that the air cylinder body comprises a piston rod (1), a piston (5), a front end cover (3), a cylinder barrel (4) and a rear end cover (6), wherein the cylinder barrel (4) is connected between the front end cover (3) and the rear end cover (6), the piston rod (1) penetrates through the front end cover (3) to be installed in the cylinder barrel (4) at the middle part, and the piston (5) is connected to the outer wall of the piston rod (1) and is positioned in the cylinder barrel (4); the inner wall of one end of the front end cover (3) is connected with the metal scraping ring assembly (2), and the metal scraping ring assembly (2) is hollow and sleeved on the outer wall of the piston rod (1);
The metal scraping ring assembly (2) comprises a scraping ring sleeve (2-2) and a metal scraping ring (2-1), the metal scraping ring (2-1) is installed in a scraping ring groove (12) formed in one end of the scraping ring sleeve (2-2) in an interference mode, two adjacent lining grooves are formed in the inner wall of the scraping ring sleeve (2-2), an inner sealing groove is formed between the two lining grooves, an oil-free lining (2-5) is installed in the lining grooves in an interference mode, and a V-shaped sealing ring (2-4) is arranged in the inner sealing groove; an outer sealing groove (11) is formed in the outer wall of the scraping ring sleeve (2-2), and an O-shaped sealing ring (2-3) is arranged in the outer sealing groove (11);
The oil-free bushing (2-5) and the V-shaped sealing ring (2-4) are positioned between the inner wall of the scraping ring sleeve (2-2) and the outer wall of the piston rod (1); the O-shaped sealing ring (2-3) is positioned between the outer wall of the scraping ring sleeve (2-2) and the inner wall of the front end cover (3);
When the piston rod (1) performs drawing motion, the outer wall of the piston rod (1) is contacted with the inner wall of the metal scraping ring (2-1).
2. The high-temperature resistant cylinder with the metal scraper ring according to claim 1, wherein a slot (6-1) for accommodating the tail end of the piston rod (1) is formed in the middle of the rear end cover (6).
3. The high-temperature resistant cylinder with the metal scraper ring according to claim 1, wherein the metal scraper ring (2-1) is made of copper.
4. The high-temperature resistant cylinder with the metal scraping ring as claimed in claim 1, wherein the scraping ring sleeve (2-2) is made of aluminum, and the V-shaped sealing ring (2-4) and the O-shaped sealing ring (2-3) are made of fluororubber materials.
5. A high temperature resistant cylinder with a metal scraper ring according to claim 1, characterized in that the piston (5) is made of fluororubber material.
6. A high temperature resistant cylinder with a metal scraper ring according to claim 1, characterized in that the cylinder barrel (4) is connected with the front end cover (3) and the rear end cover (6) by connecting screws (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910931716.6A CN110529458B (en) | 2019-09-29 | 2019-09-29 | High-temperature-resistant cylinder with metal scraping ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910931716.6A CN110529458B (en) | 2019-09-29 | 2019-09-29 | High-temperature-resistant cylinder with metal scraping ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110529458A CN110529458A (en) | 2019-12-03 |
| CN110529458B true CN110529458B (en) | 2024-06-04 |
Family
ID=68670824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910931716.6A Active CN110529458B (en) | 2019-09-29 | 2019-09-29 | High-temperature-resistant cylinder with metal scraping ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110529458B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114453286B (en) * | 2022-01-04 | 2023-01-17 | 吉林大学重庆研究院 | Automatic production line and production process for hydraulic cylinder |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3153539A (en) * | 1960-05-31 | 1964-10-20 | Flick Reedy Corp | Piston rod seal and cylinder head assembly |
| US3190702A (en) * | 1961-05-23 | 1965-06-22 | Flick Reedy Corp | Sealing structure for piston and cylinder device |
| US4577363A (en) * | 1985-03-01 | 1986-03-25 | Wyse Harold G | Scraper ring for cleaning a hydraulic cylinder rod or shaft |
| CH667141A5 (en) * | 1985-09-02 | 1988-09-15 | Sft Ag Spontanfoerdertechnik | Heavy duty piston rod seal - has hard and soft polymer rings clamped into seal and rod guide |
| CN1417470A (en) * | 2001-08-09 | 2003-05-14 | 诺沃皮尼奥内控股有限公司 | Scraper for piston rod of reciprocating compressor |
| JP2004019782A (en) * | 2002-06-17 | 2004-01-22 | Kayaba Ind Co Ltd | Rod sealing structure of hydraulic cylinder |
| CN106762949A (en) * | 2016-12-30 | 2017-05-31 | 济南夫驰科技有限公司 | A kind of environmental sanitation vehicles special-purpose water-proof is dust-proof to scrape ice cylinder |
| CN207025915U (en) * | 2017-07-14 | 2018-02-23 | 衢州索迈气动元件有限公司 | A kind of dust arrester for cylinder piston rod |
| CN208397048U (en) * | 2018-06-13 | 2019-01-18 | 台州天隆自动化设备有限公司 | A kind of mini cylinder of stainless steel with cleaning function |
| CN210531309U (en) * | 2019-09-29 | 2020-05-15 | 大连京丰机械制造有限公司 | High temperature resistant cylinder with metal scraping ring |
-
2019
- 2019-09-29 CN CN201910931716.6A patent/CN110529458B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3153539A (en) * | 1960-05-31 | 1964-10-20 | Flick Reedy Corp | Piston rod seal and cylinder head assembly |
| US3190702A (en) * | 1961-05-23 | 1965-06-22 | Flick Reedy Corp | Sealing structure for piston and cylinder device |
| US4577363A (en) * | 1985-03-01 | 1986-03-25 | Wyse Harold G | Scraper ring for cleaning a hydraulic cylinder rod or shaft |
| CH667141A5 (en) * | 1985-09-02 | 1988-09-15 | Sft Ag Spontanfoerdertechnik | Heavy duty piston rod seal - has hard and soft polymer rings clamped into seal and rod guide |
| CN1417470A (en) * | 2001-08-09 | 2003-05-14 | 诺沃皮尼奥内控股有限公司 | Scraper for piston rod of reciprocating compressor |
| JP2004019782A (en) * | 2002-06-17 | 2004-01-22 | Kayaba Ind Co Ltd | Rod sealing structure of hydraulic cylinder |
| CN106762949A (en) * | 2016-12-30 | 2017-05-31 | 济南夫驰科技有限公司 | A kind of environmental sanitation vehicles special-purpose water-proof is dust-proof to scrape ice cylinder |
| CN207025915U (en) * | 2017-07-14 | 2018-02-23 | 衢州索迈气动元件有限公司 | A kind of dust arrester for cylinder piston rod |
| CN208397048U (en) * | 2018-06-13 | 2019-01-18 | 台州天隆自动化设备有限公司 | A kind of mini cylinder of stainless steel with cleaning function |
| CN210531309U (en) * | 2019-09-29 | 2020-05-15 | 大连京丰机械制造有限公司 | High temperature resistant cylinder with metal scraping ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110529458A (en) | 2019-12-03 |
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