Wear-resistant cylinder gasket

By adopting a multi-layer structure design and cylinder gasket with peripheral edges, convex ribs and groove structures, the problems of existing cylinder gaskets with low ductility and poor wear resistance are solved, and better reset characteristics, high temperature and wear resistance are achieved.

CN222976925UActive Publication Date: 2025-06-13CHANGZHOU PUDI MACHINERY CO LTD
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Patent Information

Application Number
CN202422174847.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-06-13
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

The existing cylinder gasket has low ductility, is difficult to reset, and has poor performance such as high temperature and wear resistance.

Method used

The cylinder gasket designed with a multi-layer structure includes a first stainless steel plate layer, a soft iron layer, a tinplate layer and a second stainless steel plate layer, and peripheral edges, convex ribs and groove structures are provided on the outer wall to improve ductility and overall strength.

Benefits of technology

The bending and reset characteristics of the cylinder gasket are realized, while improving high temperature and wear resistance, enhancing the sealing effect and service life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222976925U_ABST
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Abstract

The utility model belongs to the technical field of cylinder gaskets, particularly relates to a wear-resistant cylinder gasket, and aims to solve the problems of low ductility, difficulty in resetting, high temperature resistance, wear resistance and the like in the prior art. A first stainless steel plate layer, a soft iron layer, a tinplate layer and a second stainless steel plate layer are sequentially arranged in the air cylinder gasket body from top to bottom. By adopting the design of a multi-layer structure, compared with an iron cylinder gasket and an asbestos cylinder gasket, the cylinder gasket disclosed by the utility model has the advantages that the bending resetting characteristic is realized, the overall high-temperature resistance and wear resistance can be improved, the ductility of the cylinder gasket main body is effectively improved, the overall sealing effect is improved, and the service life of the cylinder gasket is prolonged. And each convex rib can correspond to one groove, so that the fitting degree among the first stainless steel plate layer, the soft iron layer, the tinplate layer and the second stainless steel plate layer can be improved, the overall strength of the cylinder head gasket main body can be enhanced, and the service life of the cylinder head gasket is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of cylinder gaskets, in particular to a wear-resistant cylinder gasket. Background Technique

[0002] A cylinder gasket, also called a cylinder liner gasket, is located between the cylinder head and the cylinder block. Its function is to fill the microscopic pores between the cylinder block and the cylinder head, ensure good sealing at the joint surface, and thus ensure the sealing of the combustion chamber, prevent air leakage from the cylinder and water leakage from the water jacket.

[0003] Although there are many types of cylinder gaskets on the market, they are generally divided into iron cylinder gaskets and asbestos cylinder gaskets as a whole. However, the iron cylinder gasket has low ductility and is easy to bend and unable to reset, while the asbestos cylinder gasket has inferior high-temperature resistance, wear resistance and other properties compared with metal cylinder gaskets. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a wear-resistant cylinder gasket, which overcomes the deficiencies of the prior art and effectively solves the problems of low ductility, difficult to reset, and general high-temperature resistance and wear resistance.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A wear-resistant cylinder gasket includes a cylinder gasket body. Inside the cylinder gasket body, a first stainless steel plate layer, a soft iron layer, a terneplate layer and a second stainless steel plate layer are sequentially arranged from top to bottom;

[0007] Peripheral flanges are arranged at the top and bottom of the outer wall of the cylinder gasket body, and a piston flange, a return flange and a main flow flange are respectively arranged inside the peripheral flanges;

[0008] Reinforcing ribs and grooves are respectively arranged inside the cylinder gasket body, and the reinforcing ribs are closely attached to the inner wall of the grooves.

[0009] Preferably, piston holes, return holes and main flow holes located on one side of the return holes are arranged at equal distances on the inner wall of the cylinder gasket body.

[0010] Preferably, bolt holes are arranged at the top of the outer wall of the cylinder gasket body, and a pre-tightening hole is arranged on one side of the outer wall of the cylinder gasket body.

[0011] Preferably, peripheral grooves are arranged at the top and bottom of the outer wall of the cylinder gasket body, and the peripheral flanges are arranged on the inner wall of the peripheral grooves.

[0012] Preferably, piston grooves are arranged on the inner wall of the piston holes, and the piston flanges are arranged on the inner wall of the piston grooves.

[0013] Preferably, return grooves are arranged on the inner wall of the return holes, and the return flanges are arranged on the inner wall of the return grooves.

[0014] Preferably, a main flow groove is formed on the inner wall of the main flow hole, and the main flow edge is arranged on the inner wall of the main flow groove.

[0015] Preferably, silicone resin layers are coated on the outer walls of the soft iron layer and the tinplate layer.

[0016] The beneficial effects of the present utility model are as follows:

[0017] 1. For the wear-resistant cylinder gasket of this design, a first stainless steel plate layer, a soft iron layer, a tinplate layer and a second stainless steel plate layer are arranged inside the cylinder gasket body. With a multi-layer structure design, compared with iron cylinder gaskets and asbestos cylinder gaskets, it has the characteristics of bending and resetting, and can also increase the overall high temperature resistance and wear resistance.

[0018] 2. For the wear-resistant cylinder gasket of this design, piston edges, return edges and main flow edges are respectively arranged in the piston holes, return holes and main flow holes, and a larger range of peripheral edges are distributed on the outside, effectively improving the ductility of the cylinder gasket body and increasing the overall sealing effect.

[0019] 3. For the wear-resistant cylinder gasket of this design, ribs and grooves are arranged between the inner layers of the cylinder gasket body. Each rib can correspond to a groove, which can improve the fit between the first stainless steel plate layer, the soft iron layer, the tinplate layer and the second stainless steel plate layer, help to strengthen the overall strength of the cylinder gasket body, and thus improve the service life of the cylinder gasket. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic diagram of the overall structure of a wear-resistant cylinder gasket proposed by the present utility model;

[0021] Figure 2 is a schematic diagram of the overall structure splitting of a wear-resistant cylinder gasket proposed by the present utility model;

[0022] Figure 3 is a schematic cross-sectional view of the internal connection structure of the cylinder gasket body of a wear-resistant cylinder gasket proposed by the present utility model.

[0023] In the figure: 1. Cylinder gasket body; 2. First stainless steel plate layer; 3. Soft iron layer; 4. Tinplate layer; 5. Second stainless steel plate layer; 6. Peripheral edge; 7. Piston edge; 8. Return edge; 9. Main flow edge; 10. Rib; 11. Groove; 12. Piston hole; 13. Return hole; 14. Main flow hole; 15. Bolt hole; 16. Pre-tightening hole; 17. Peripheral groove; 18. Piston groove; 19. Return groove; 20. Main flow groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0025] Embodiment 1. Refer to Figure 2 , a wear-resistant cylinder gasket, including a cylinder gasket main body 1, in which a first stainless steel plate layer 2, a soft iron layer 3, a tinplate layer 4, and a second stainless steel plate layer 5 are sequentially arranged from top to bottom inside the cylinder gasket main body 1.

[0026] In this embodiment, a first stainless steel plate layer 2, a soft iron layer 3, a tinplate layer 4, and a second stainless steel plate layer 5 are arranged inside the cylinder gasket main body 1, adopting a multi-layer structure design. Compared with iron cylinder gaskets and asbestos cylinder gaskets, it has the characteristics of bending and resetting, and can also increase the overall high temperature resistance and wear resistance.

[0027] Embodiment 2. Refer to Figure 2 , a wear-resistant cylinder gasket, with peripheral flanges 6 provided at both the top and bottom of the outer wall of the cylinder gasket main body 1, and a piston flange 7, a return flange 8, and a main flow flange 9 are respectively arranged inside the peripheral flanges 6.

[0028] In this embodiment, since a piston flange 7, a return flange 8, and a main flow flange 9 are respectively arranged in the piston hole 12, the return hole 13, and the main flow hole 14, and a larger range of peripheral flanges 6 are also distributed on the outside, the ductility of the cylinder gasket main body 1 is effectively improved, and the overall sealing effect is increased.

[0029] Embodiment 3. Refer to Figure 3 , a wear-resistant cylinder gasket, with ribs 10 and grooves 11 respectively arranged inside the cylinder gasket main body 1, and the ribs 10 are closely attached to the inner wall of the grooves 11.

[0030] In this embodiment, ribs 10 and grooves 11 are arranged between the inner layers of the cylinder gasket main body 1. Each rib 10 can correspond to a groove 11, which can improve the fitting degree between the first stainless steel plate layer 2, the soft iron layer 3, the tinplate layer 4, and the second stainless steel plate layer 5, and help to strengthen the overall strength of the cylinder gasket main body 1, thereby improving the service life of the cylinder gasket.

[0031] Refer to Figure 1 , equidistantly distributed piston holes 12 and return holes 13 are provided on the inner wall of the cylinder gasket main body 1, and a main flow hole 14 is located on one side of the return hole 13.

[0032] Refer to Figure 1 , bolt holes 15 are provided at the top of the outer wall of the cylinder gasket main body 1, and a pre-tightening hole 16 is provided on one side of the outer wall of the cylinder gasket main body 1.

[0033] Refer toFigure 2 At the top and bottom of the outer wall of the cylinder gasket body 1, peripheral grooves 17 are provided, and the peripheral edge 6 is arranged on the inner wall of the peripheral groove 17.

[0034] Refer to Figures 1 to 2 On the inner wall of the piston hole 12, a piston groove 18 is provided, and the piston edge 7 is arranged on the inner wall of the piston groove 18.

[0035] Refer to Figures 1 to 2 On the inner wall of the return hole 13, a return groove 19 is provided, and the return edge 8 is arranged on the inner wall of the return groove 19.

[0036] Refer to Figures 1 to 2 On the inner wall of the main flow hole 14, a main flow groove 20 is provided, and the main flow edge 9 is arranged on the inner wall of the main flow groove 20.

[0037] Refer to Figure 2 Silicone resin layers are coated on the outer walls of the soft iron layer 3 and the tinplate layer 4.

[0038] Working principle: The cylinder gasket body 1 is mainly divided into a first stainless steel plate layer 2, a soft iron layer 3, a tinplate layer 4 and a second stainless steel plate layer 5. The designed multi-layer structure is used to improve the overall high temperature resistance and wear resistance. At the same time, in order to improve the ductility and sealing effect of the cylinder gasket body 1, piston edges 7, return edges 8 and main flow edges 9 are respectively arranged in the piston hole 12, the return hole 13 and the main flow hole 14, and a larger range of peripheral edges 6 are distributed on the outside. In addition, through the ribs 10 and grooves 11 between the inner layers of the cylinder gasket body 1, the fitting degree between the first stainless steel plate layer 2, the soft iron layer 3, the tinplate layer 4 and the second stainless steel plate layer 5 can be improved, thereby strengthening the overall strength of the cylinder gasket body 1.

[0039] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its inventive concept, makes equivalent replacements or changes, and should be covered within the protection scope of the present invention.

Claims

1. A wear-resistant cylinder gasket, comprising a cylinder gasket body (1), characterized in that: The cylinder gasket body (1) is provided with a first stainless steel plate layer (2), a soft iron layer (3), a tinplate layer (4) and a second stainless steel plate layer (5) in sequence from top to bottom; The top and bottom of the outer wall of the cylinder gasket body (1) are both provided with peripheral edging (6), and the interior of the peripheral edging (6) is respectively provided with a piston edging (7), a reflux edging (8) and a main flow edging (9); The cylinder gasket body (1) is provided with convex ribs (10) and concave grooves (11) respectively, and the convex ribs (10) are closely attached to the inner wall of the concave groove (11).

2. A wear-resistant cylinder gasket according to claim 1, characterized in that: The inner wall of the cylinder gasket body (1) is provided with piston holes (12) and reflow holes (13) distributed at equal distances, and a main flow hole (14) located on one side of the reflow hole (13).

3. The wear-resistant cylinder gasket according to claim 1, characterized in that: A bolt hole (15) is provided at the top of the outer wall of the cylinder gasket body (1), and a pre-tightening hole (16) is provided at one side of the outer wall of the cylinder gasket body (1).

4. The wear-resistant cylinder gasket according to claim 1, characterized in that: The top and bottom of the outer wall of the cylinder gasket body (1) are both provided with peripheral grooves (17), and the peripheral rim (6) is arranged on the inner wall of the peripheral groove (17).

5. The wear-resistant cylinder gasket according to claim 2, characterized in that: The inner wall of the piston hole (12) is provided with a piston groove (18), and the piston rim (7) is arranged on the inner wall of the piston groove (18).

6. The wear-resistant cylinder gasket according to claim 2, characterized in that: The inner wall of the reflow hole (13) is provided with a reflow groove (19), and the reflow rim (8) is arranged on the inner wall of the reflow groove (19).

7. The wear-resistant cylinder gasket according to claim 2, characterized in that: A main flow groove (20) is provided on the inner wall of the main flow hole (14), and a main flow edging (9) is arranged on the inner wall of the main flow groove (20).

8. The wear-resistant cylinder gasket according to claim 1, characterized in that: The outer walls of the soft iron layer (3) and the tinplate layer (4) are both coated with a silicone resin layer.