Wear-resistant graphite nylon gasket
By introducing interlaced nylon plastic strips and graphite filler layers into graphite nylon gaskets and setting a wear-resistant layer on the surface, the problem of insufficient wear resistance of graphite nylon gaskets is solved, achieving higher wear resistance and extended service life.
Patent Information
- Application Number
- CN202520403580.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Graphite nylon gaskets on the market have poor wear resistance, resulting in a shortened service life and affecting their performance.
It adopts a combination structure of interlaced transverse and longitudinal nylon plastic strips and graphite filler layers, and a wear-resistant layer is set on the surface to enhance structural stability and wear resistance.
It improves the wear resistance of graphite nylon gaskets, extends their service life, prevents thermal expansion and cracking, and maintains structural integrity at high temperatures.
Smart Images

Figure CN223854648U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to graphite nylon gasket technical field, concretely relates to a kind of wear-resistant graphite nylon gasket. BACKGROUND
[0002] Graphite nylon gasket is a kind of nylon plastic containing filler for pressing tight mechanical parts, and the filler is graphite. Graphite nylon gasket has strong bearing capacity and is not easy to age. Graphite nylon gasket is generally ring-shaped, and is sleeved on the corresponding bolt part during use and is pressed between the bolt and the corresponding plate body.
[0003] The graphite nylon gasket on the market is made of nylon plastic and graphite material. The nylon plastic has poor wear resistance, and the graphite material is also prone to wear after long-term friction, which affects the service life of the graphite nylon gasket and brings inconvenience to the user. In view of this, we propose a wear-resistant graphite nylon gasket. UTILITY MODEL CONTENTS
[0004] The utility model aims to provide a kind of wear-resistant graphite nylon gasket to solve the defects proposed in the above background art.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A kind of wear-resistant graphite nylon gasket, comprising graphite nylon gasket main body, the graphite nylon gasket main body is composed of outer nylon plastic sleeve arranged in outer ring and inner nylon plastic sleeve arranged in inner ring, transverse nylon plastic belt and longitudinal nylon plastic belt are fixedly installed between the outer nylon plastic sleeve and the inner nylon plastic sleeve, the transverse nylon plastic belt and the longitudinal nylon plastic belt are staggered, the transverse nylon plastic belt, the longitudinal nylon plastic belt, the outer nylon plastic sleeve and the inner nylon plastic sleeve are filled with graphite filling layer, and the surface of the graphite nylon gasket main body is provided with wear-resistant layer.
[0007] Preferably, the end of the outer nylon plastic sleeve and the inner nylon plastic sleeve is provided with an end folding sleeve, which is used for limiting the end of the outer nylon plastic sleeve and the inner nylon plastic sleeve.
[0008] Preferably, the outer nylon plastic sleeve, the inner nylon plastic sleeve, the end folding sleeve, the transverse nylon plastic belt, the longitudinal nylon plastic belt and the graphite filling layer are of one-piece structure, which ensures that the overall structure is more firm and stable.
[0009] Preferably, a center hole is arranged at the center position of the graphite nylon gasket main body, and the center hole is used for the insertion operation of the bolt, which is convenient for sleeving on the bolt.
[0010] Preferably, the graphite nylon gasket body is provided with an expansion gap for expansion operation of the graphite nylon gasket body.
[0011] Preferably, the graphite nylon gasket body is provided with a plurality of thermal expansion holes connected with the outside, and the thermal expansion holes are used for thermal expansion operation of the graphite nylon gasket body.
[0012] Preferably, the graphite filling layer has a thickness of 0.05cm-0.15cm for wear-resistant protection.
[0013] Compared with the prior art, the graphite nylon gasket body has the advantages that:
[0014] 1、The graphite filling layer is arranged between the horizontal nylon plastic belt and the longitudinal nylon plastic belt, so that the contact area between the graphite filling layer and the graphite nylon gasket body is increased, the overall structure is more firm, the wear-resistant effect is improved through the surface wear-resistant layer, use is facilitated, wear-resistant protection is achieved, and the service life is prolonged.
[0015] 2、The expansion gap and the thermal expansion hole are arranged, so that the graphite nylon gasket body can be deformed in a certain thermal expansion manner towards the expansion gap and the thermal expansion hole in high-temperature weather, and the graphite nylon gasket body will not be cracked due to thermal expansion. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a schematic view of the overall structure of the utility model;
[0017] Figure 2 It is a partial sectional view of the graphite nylon gasket body of the utility model;
[0018] Figure 3 It is a partial sectional view of the graphite nylon gasket body of the utility model; Figure 2 It is an enlarged view of A in the utility model.
[0019] The meanings of various reference numerals in the drawing are as follows:
[0020] 1、Graphite nylon gasket body; 10, outer nylon plastic sleeve; 11, inner nylon plastic sleeve; 12, end folding sleeve; 13, horizontal nylon plastic belt; 14, longitudinal nylon plastic belt; 15, graphite filling layer; 16, center hole; 17, wear-resistant layer;
[0021] 2、Expansion gap;
[0022] 3、Thermal expansion hole. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0024] Please refer to Figures 1-3 The present application provides a technical solution: a wear-resistant graphite nylon gasket, which comprises a graphite nylon gasket body 1, the graphite nylon gasket body 1 is composed of an outer nylon plastic sleeve 10 arranged on an outer ring and an inner nylon plastic sleeve 11 arranged on an inner ring, a transverse nylon plastic belt 13 and a longitudinal nylon plastic belt 14 are fixedly installed between the outer nylon plastic sleeve 10 and the inner nylon plastic sleeve 11, the transverse nylon plastic belt 13 and the longitudinal nylon plastic belt 14 are used for pulling operation between the outer nylon plastic sleeve 10 and the inner nylon plastic sleeve 11, the transverse nylon plastic belt 13 and the longitudinal nylon plastic belt 14 are staggered, and a graphite filling layer 15 is filled between the transverse nylon plastic belt 13, the longitudinal nylon plastic belt 14, the outer nylon plastic sleeve 10 and the inner nylon plastic sleeve 11; by arranging the graphite filling layer 15 between the transverse nylon plastic belt 13, the longitudinal nylon plastic belt 14, the outer nylon plastic sleeve 10 and the inner nylon plastic sleeve 11, the contact area between the graphite filling layer 15 and the graphite nylon gasket body 1 can be increased, so that the overall structure is more firm and stable, and the situation of falling slag is less likely to occur.
[0025] Specifically, the surface of the graphite nylon gasket body 1 is provided with a wear-resistant layer 17, which can be made of butyl rubber mixed with high manganese steel powder material. Butyl rubber and high manganese steel powder material have good wear resistance, which can improve the wear resistance and prolong the service life.
[0026] In the embodiment, the end portions of the outer nylon plastic sleeve 10 and the inner nylon plastic sleeve 11 are provided with an end portion folding sleeve 12 for limiting the end portions of the outer nylon plastic sleeve 10 and the inner nylon plastic sleeve 11; the outer nylon plastic sleeve 10, the inner nylon plastic sleeve 11, the end portion folding sleeve 12, the transverse nylon plastic belt 13, the longitudinal nylon plastic belt 14 and the graphite filling layer 15 are integrally formed to ensure that the overall structure is more firm and stable.
[0027] Specifically, the center position of the graphite nylon gasket body 1 is provided with a center hole 16 for bolt insertion operation, which is convenient for use on the bolt.
[0028] Further, the graphite nylon gasket body 1 is provided with an expansion gap 2 for expansion operation of the graphite nylon gasket body 1.
[0029] In addition, the graphite nylon gasket body 1 is provided with a plurality of thermal expansion holes 3 connected with the outside, and the thermal expansion holes 3 are used for thermal expansion operation of the graphite nylon gasket body 1.
[0030] It is worth mentioning that the graphite filling layer 15 has a thickness of 0.05-0.15 cm and is used for wear-resistant protection.
[0031] The graphite nylon gasket is used in the graphite nylon gasket body 1 sleeved on the external bolt, the external bolt is tightened, the graphite nylon gasket body 1 is compressed between the cap head of the bolt and the corresponding plate body, the installation operation is completed, in addition, the wear-resistant layer 17 can be used for wear-resistant protection, so that wear between the bolt is not easy to occur, and the graphite nylon gasket is convenient to use.
[0032] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A wear resistant graphite nylon gasket comprising a graphite nylon gasket body (1) characterised in that: The graphite nylon gasket body (1) is composed of an outer nylon plastic sleeve (10) arranged on the outer ring and an inner nylon plastic sleeve (11) arranged on the inner ring, a transverse nylon plastic belt (13) and a longitudinal nylon plastic belt (14) are fixedly installed between the outer nylon plastic sleeve (10) and the inner nylon plastic sleeve (11), the transverse nylon plastic belt (13) and the longitudinal nylon plastic belt (14) are staggered, the transverse nylon plastic belt (13), the longitudinal nylon plastic belt (14), the outer nylon plastic sleeve (10) and the inner nylon plastic sleeve (11) are filled with a graphite filling layer (15), and the surface of the graphite nylon gasket body (1) is provided with a wear-resistant layer (17).
2. The wear resistant, graphite nylon gasket of claim 1, wherein: The end of the outer nylon plastic sleeve (10) and the inner nylon plastic sleeve (11) is provided with an end folding sleeve (12), which is used for limiting operation of the end of the outer nylon plastic sleeve (10) and the inner nylon plastic sleeve (11).
3. The wear resistant, graphite nylon gasket of claim 2, wherein: The outer nylon plastic sleeve (10), the inner nylon plastic sleeve (11), the end folding sleeve (12), the transverse nylon plastic belt (13), the longitudinal nylon plastic belt (14) and the graphite filling layer (15) are integrally formed.
4. The wear resistant, graphite nylon gasket of claim 1, wherein: The graphite nylon gasket body (1) is provided with a center hole (16) at the center position, which is used for the insertion operation of the bolt.
5. The wear resistant, graphite nylon gasket of claim 1, wherein: The graphite nylon gasket body (1) is provided with a swelling gap (2), which is used for the swelling operation of the graphite nylon gasket body (1).
6. The wear resistant, graphite nylon gasket of claim 1, wherein: The graphite nylon gasket body (1) is provided with a plurality of heat expansion holes (3) connected with the outside, which are used for the heat expansion operation of the graphite nylon gasket body (1).
7. The wear resistant, graphite nylon gasket of claim 1, wherein: The thickness of the graphite filling layer (15) is 0.05cm-0.15cm, which is used for wear protection.