Oil cylinder end cover with anti-corrosion function
By setting a multi-layer coating structure on the surface of the cylinder end cap, including an acrylic anti-rust coating, an iron oxide phenolic anti-rust coating, a silicon nitride coating, and an aluminum oxide coating, the problem of poor rust prevention performance of the cylinder end cap is solved, achieving better rust prevention and wear resistance, and extending service life.
Patent Information
- Application Number
- CN202520459921.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-17
AI Technical Summary
The existing cylinder end caps lack rust prevention mechanisms, resulting in poor rust prevention performance and reduced service life.
A second protective layer is provided on the surface of the cylinder end cover, including an acrylic anti-rust coating and a red iron oxide phenolic anti-rust coating, as the first layer of anti-rust protection; after the acrylic anti-rust coating is damaged, the red iron oxide phenolic anti-rust coating continues to provide the second layer of anti-rust protection; at the same time, a first protective layer is provided, including a silicon nitride coating and an aluminum oxide coating, as wear-resistant protection, and after the silicon nitride coating is damaged, the aluminum oxide coating continues to provide wear-resistant protection.
It effectively improves the rust resistance and wear resistance of the cylinder end cap, and extends its service life.
Smart Images
Figure CN223881469U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil cylinder technical field, concretely is an oil cylinder end cover with anti -corrosion function. BACKGROUND
[0002] Oil cylinder is the hydraulic energy conversion mechanical energy, does linear reciprocating motion (or swing motion) hydraulic actuator, oil cylinder end cover is a part in the oil cylinder, but the existing oil cylinder end cover due to lack of anti -rust mechanism, leading to the overall anti -rust performance is poor, thereby reduce its service life, for this, we put forward an oil cylinder end cover with anti -corrosion function. UTILITY MODEL CONTENTS
[0003] The utility model discloses an oil cylinder end cover with anti -corrosion function to solve the problem in the above -mentioned background art.
[0004] In order to achieve the above object, the utility model provides the following technical scheme: an oil cylinder end cover with anti -corrosion function, including oil cylinder end cover body, the surface of oil cylinder end cover body is provided with second protective layer, and second protective layer includes acrylic anti -rust coating and iron red phenolic anti -rust coating, the other side of second protective layer is provided with first protective layer, and first protective layer includes silicon nitride coating and alumina coating.
[0005] Preferably, the iron red phenolic anti -rust coating is coated on the surface of the oil cylinder end cover body, and the acrylic anti -rust coating is coated on the other side of the iron red phenolic anti -rust coating.
[0006] Preferably, the thickness of the acrylic anti -rust coating and the iron red phenolic anti -rust coating is the same, and the thickness of the acrylic anti -rust coating is eighty to one hundred and fifty microns.
[0007] Preferably, the alumina coating is coated on the other side of the acrylic anti -rust coating, and the silicon nitride coating is coated on the other side of the alumina coating.
[0008] Preferably, the thickness of the silicon nitride coating and the alumina coating is the same, and the thickness of the silicon nitride coating is fifty to one hundred microns.
[0009] Compared with the prior art, the utility model has the advantages of the following:
[0010] 1、The utility model sets up second protective layer, and the acrylic anti -rust coating that it includes can carry out first layer anti -corrosion protection treatment to oil cylinder end cover body after alumina coating is damaged, and the iron red phenolic anti -rust coating can carry out second layer anti -corrosion protection treatment to oil cylinder end cover body after acrylic anti -rust coating is damaged, thereby effectively improve the anti -corrosion of oil cylinder end cover body whole.
[0011] 2, The utility model discloses set up the first protective layer, and the silicon nitride coating that it includes can carry out first layer wear -resisting protection treatment to oil cylinder end cover body, and the alumina coating can carry out second layer wear -resisting protection treatment to oil cylinder end cover body after the damage of silicon nitride coating, thereby effectively improve the wear resistance of oil cylinder end cover body whole. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the structure schematic drawing of the utility model;
[0013] Figure 2 It is the connection schematic drawing between the second protective layer and the first protective layer and oil cylinder end cover body of the utility model;
[0014] Figure 3 It is the structure schematic drawing of the second protective layer of the utility model;
[0015] Figure 4 It is the structure schematic drawing of the first protective layer of the utility model.
[0016] In the drawing: oil cylinder end cover body 1, second protective layer 2, acrylic rust -proof coating 21, iron red phenolic rust -proof coating 22, first protective layer 3, silicon nitride coating 31, alumina coating 32. DETAILED DESCRIPTION
[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of the utility model protection.
[0018] The oil cylinder end cover body 1, second protective layer 2, acrylic rust -proof coating 21, iron red phenolic rust -proof coating 22, first protective layer 3, silicon nitride coating 31 and alumina coating 32 parts of the application are all general standard parts or parts known to the person skilled in the art, and their structure and principle can be known by the person skilled in the art through technical manual or through conventional experimental method. EMBODIMENT
[0019] Please refer to Figures 1-3The technical scheme is provided, and specifically disclosed is that the surface of the oil cylinder end cover body 1 is provided with a second protective layer 2, the second protective layer 2 comprises an acrylic anti-rust coating 21 and a red iron phenolic anti-rust coating 22, the red iron phenolic anti-rust coating 22 is coated on the surface of the oil cylinder end cover body 1, the acrylic anti-rust coating 21 is coated on the other side of the red iron phenolic anti-rust coating 22, the thickness of the acrylic anti-rust coating 21 and the red iron phenolic anti-rust coating 22 is the same, the thickness of the acrylic anti-rust coating 21 is 80-150 microns, the second protective layer 2 is arranged, the acrylic anti-rust coating 21 comprised in the second protective layer 2 can perform first layer anti-rust protection treatment on the oil cylinder end cover body 1 after the aluminum oxide coating 32 is damaged, the red iron phenolic anti-rust coating 22 can perform second layer anti-rust protection treatment on the oil cylinder end cover body 1 after the acrylic anti-rust coating 21 is damaged, and therefore the overall anti-rust property of the oil cylinder end cover body 1 is effectively improved. Embodiment
[0020] Please refer to Figure 4 The technical scheme is provided, and specifically disclosed is that the surface of the oil cylinder end cover body 1 is provided with a second protective layer 2, the second protective layer 2 comprises an acrylic anti-rust coating 21 and a red iron phenolic anti-rust coating 22, the red iron phenolic anti-rust coating 22 is coated on the surface of the oil cylinder end cover body 1, the acrylic anti-rust coating 21 is coated on the other side of the red iron phenolic anti-rust coating 22, the thickness of the acrylic anti-rust coating 21 and the red iron phenolic anti-rust coating 22 is the same, the thickness of the acrylic anti-rust coating 21 is 80-150 microns, the second protective layer 2 is arranged, the acrylic anti-rust coating 21 comprised in the second protective layer 2 can perform first layer anti-rust protection treatment on the oil cylinder end cover body 1 after the aluminum oxide coating 32 is damaged, the red iron phenolic anti-rust coating 22 can perform second layer anti-rust protection treatment on the oil cylinder end cover body 1 after the acrylic anti-rust coating 21 is damaged, and therefore the overall anti-rust property of the oil cylinder end cover body 1 is effectively improved.
[0021] The working principle of the application is that the second protective layer 2 is arranged, the acrylic anti-rust coating 21 comprised in the second protective layer 2 can perform first layer anti-rust protection treatment on the oil cylinder end cover body 1 after the aluminum oxide coating 32 is damaged, the red iron phenolic anti-rust coating 22 can perform second layer anti-rust protection treatment on the oil cylinder end cover body 1 after the acrylic anti-rust coating 21 is damaged, and therefore the overall anti-rust property of the oil cylinder end cover body 1 is effectively improved, the first protective layer 3 is arranged, the silicon nitride coating 31 comprised in the first protective layer 3 can perform first layer wear-resistant protection treatment on the oil cylinder end cover body 1, the aluminum oxide coating 32 can perform second layer wear-resistant protection treatment on the oil cylinder end cover body 1 after the silicon nitride coating 31 is damaged, and therefore the overall wear resistance of the oil cylinder end cover body 1 is effectively improved.
[0022] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An oil cylinder end cover with anti-corrosion function, comprising an oil cylinder end cover body (1), characterized in that: The surface of the oil cylinder end cover body (1) is provided with a second protective layer (2), and the second protective layer (2) comprises an acrylic rust-proof coating (21) and a red iron phenolic rust-proof coating (22), the other side of the second protective layer (2) is provided with a first protective layer (3), and the first protective layer (3) comprises a silicon nitride coating (31) and an aluminum oxide coating (32).
2. The cylinder head with anti-corrosion function according to claim 1, characterized in that: The red iron phenolic rust-proof coating (22) is coated on the surface of the oil cylinder end cover body (1), and the acrylic rust-proof coating (21) is coated on the other side of the red iron phenolic rust-proof coating (22).
3. The cylinder head with anti-corrosion function according to claim 1, characterized in that: The thickness of the acrylic rust-proof coating (21) and the red iron phenolic rust-proof coating (22) is the same, and the thickness of the acrylic rust-proof coating (21) is eighty to one hundred and fifty microns.
4. The cylinder head with anti-corrosion function according to claim 1, characterized in that: The aluminum oxide coating (32) is coated on the other side of the acrylic rust-proof coating (21), and the silicon nitride coating (31) is coated on the other side of the aluminum oxide coating (32).
5. The cylinder head with anti-corrosion function according to claim 1, characterized in that: The thickness of the silicon nitride coating (31) and the aluminum oxide coating (32) is the same, and the thickness of the silicon nitride coating (31) is fifty to one hundred microns.