Porous wear-resistant guide sleeve

Abstract

The utility model discloses a porous wear-resistant guide sleeve, relates to the technical field of wear-resistant guide sleeve structures, and aims to solve the problems that an existing guide sleeve is easy to wear after being used for a long time due to large friction when being used, and the guide sleeve is not firm to mount and cannot be used for a long time. According to the technical scheme, the guide sleeve comprises a guide sleeve body, an oil injection lubricating hole is formed in the outer wall of the guide sleeve body, a first fixing end is arranged at the upper end of the guide sleeve body, and a second fixing end is arranged at the lower end of the guide sleeve body; the guide sleeve body comprises a base body, a reinforcing layer, a polyformaldehyde layer, a corrosion-resistant layer, a first wear-resistant layer and a second wear-resistant layer, the reinforcing layer is arranged outside the base body, the polyformaldehyde layer is arranged outside the reinforcing layer, the corrosion-resistant layer is arranged outside the polyformaldehyde layer, the first wear-resistant layer is arranged outside the corrosion-resistant layer, and the second wear-resistant layer is arranged outside the second wear-resistant layer. And a wear-resistant layer II is arranged in the base body.

Description

Technical Field

[0001] The utility model relates to the technical field of wear-resistant guide sleeve structures, in particular to a porous wear-resistant guide sleeve. Background Art

[0002] The guide sleeve is made by pressing polytetrafluoroethylene resin into a blank, sintering, cooling, and then fine-processing it by mechanical cutting according to the geometric dimensions and tolerance range required by the drawing. The guide sleeve and the guide pin are a set of sliding fitting parts. The reciprocating sliding of the guide pin in the guide sleeve will cause wear of the two parts, so the guide sleeve is made of wear-resistant materials with a small friction coefficient.

[0003] The existing guide sleeve will generate large friction when in use, so it is easy to wear out after long-term use. At the same time, the guide sleeve is not firmly installed during installation, which will affect the use of the guide sleeve. Utility Model Content

[0004] The utility model aims to provide a porous wear-resistant guide sleeve which can improve the wear resistance of the guide sleeve and enable the guide sleeve to be conveniently and firmly installed.

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

[0006] A porous wear-resistant guide sleeve comprises a guide sleeve body, an oil injection lubrication hole is arranged inside the outer wall of the guide sleeve body, a fixed end one is arranged at the upper end of the guide sleeve body, a fixed end two is arranged at the lower end of the guide sleeve body, the guide sleeve body comprises a substrate, a reinforcement layer, a polyformaldehyde layer, a corrosion-resistant layer, a wear-resistant layer one and a wear-resistant layer two, a reinforcement layer is arranged outside the substrate, a polyformaldehyde layer is arranged outside the reinforcement layer, a corrosion-resistant layer is arranged outside the polyformaldehyde layer, a wear-resistant layer is arranged outside the corrosion-resistant layer, a wear-resistant layer one is arranged outside the corrosion-resistant layer, and a wear-resistant layer two is arranged inside the substrate.

[0007] By adopting the above technical solution, the guide sleeve can have a good wear-resistant effect, and at the same time, the guide sleeve can be easily installed by setting the fixed end one and the fixed end two.

[0008] Furthermore, a plurality of the oil injection and lubrication holes are provided, and the plurality of the oil injection and lubrication holes are evenly distributed inside the outer wall of the guide sleeve body.

[0009] By adopting the above technical solution, the lubricating oil can enter the interior of the guide sleeve through the plurality of oil injection lubrication holes when oil is injected, thereby improving the lubrication effect and preventing the guide sleeve from being easily worn.

[0010] Furthermore, the fixed end 1 is an integral structure with the guide sleeve body, a fixing thread is arranged on the outside of the fixed end 1, and an arc-shaped end is arranged on the upper end of the fixed end 1.

[0011] By adopting the above technical solution, the structure between the fixed end 1 and the guide sleeve body is made more solid, and the arc-shaped end is provided so that one end of the fixed end 1 is not easily worn.

[0012] Furthermore, the second fixed end and the guide sleeve body are an integral structure, and a fixing screw hole is arranged inside the second fixed end. There are eight fixing screw holes, and the eight fixing screw holes are symmetrical about the vertical center line of the second fixed end.

[0013] By adopting the above technical solution, the structure between the second fixed end and the guide sleeve body can be made more solid, and the second fixed end can be conveniently installed and fixed by providing the fixing screw hole, so that the guide sleeve body can be conveniently installed.

[0014] Furthermore, the reinforcement layer is made of carbon fiber composite material, and the corrosion-resistant layer is made of polyimide.

[0015] By adopting the above technical solution, the carbon fiber composite material can combine the characteristics of metal and polymer, and has both high strength and high hardness, and can withstand high temperature and high pressure environment. The polyimide corrosion-resistant layer can effectively improve the corrosion resistance of the guide sleeve.

[0016] Furthermore, the wear-resistant layer 1 is a ceramic coating, and the material of the wear-resistant layer 2 is polytetrafluoroethylene.

[0017] By adopting the above technical scheme, the ceramic coating can make the outside of the guide sleeve have good wear resistance, and the polytetrafluoroethylene can make the inside of the guide sleeve have good wear resistance and a lower friction coefficient, which can make the use effect of the guide sleeve better.

[0018] 1. In the utility model, the polyimide corrosion-resistant layer provided on the guide sleeve body can effectively improve the corrosion resistance of the guide sleeve, the ceramic coating provided can make the exterior of the guide sleeve have a good wear-resistant effect, and the polytetrafluoroethylene provided can make the interior of the guide sleeve have a good wear-resistant effect and a lower friction coefficient, so that the use effect of the guide sleeve can be better and the service life of the guide sleeve can be increased;

[0019] 2. The utility model provides a plurality of oil injection lubrication holes, through which the lubricating oil can enter the interior of the guide sleeve body during oil injection, which can play a good lubrication role and make the friction coefficient of the guide sleeve body smaller, thereby increasing the service life of the guide sleeve body. The guide sleeve can be conveniently installed and fixed by providing the fixed end one and the fixed end two. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an overall stereogram of the utility model;

[0021] Figure 2 This is a side sectional view of the glass curtain wall of the utility model;

[0022] Figure 3 For this utility model Figure 1 A partial enlarged view of point A.

[0023] In the figure: 1. Guide sleeve body; 2. Oil injection lubrication hole; 3. Fixed end one; 301. Fixed thread; 302. Arc end; 4. Fixed end two; 401. Fixed screw hole; 5. Base; 6. Reinforcement layer; 7. Polyoxymethylene layer; 8. Corrosion-resistant layer; 9. Wear-resistant layer one; 10. Wear-resistant layer two. DETAILED DESCRIPTION

[0024] The method of the utility model is further described in detail below in conjunction with the accompanying drawings.

[0025] See attached Figure 1 , Figure 2 ,and Figure 3 A porous wear-resistant guide sleeve comprises a guide sleeve body 1, an oil injection lubrication hole 2 is arranged inside the outer wall of the guide sleeve body 1, a fixed end 3 is arranged at the upper end of the guide sleeve body 1, and a fixed end 4 is arranged at the lower end of the guide sleeve body 1. The guide sleeve body 1 comprises a base 5, a reinforcing layer 6, a polyformaldehyde layer 7, a corrosion-resistant layer 8, a wear-resistant layer 1 9 and a wear-resistant layer 2 10. The outside of the base 5 is provided with a reinforcing layer 6, the outside of the reinforcing layer 6 is provided with a polyformaldehyde layer 7, the outside of the polyformaldehyde layer 7 is provided with a corrosion-resistant layer 8, the outside of the corrosion-resistant layer 8 is provided with a wear-resistant layer 1 9, and the inside of the base 5 is provided with a wear-resistant layer 2 10. The fixed end 3 and the fixed end 2 4 are arranged so that the guide sleeve can be conveniently installed. The reinforcing layer 6, the polyformaldehyde layer 7, the corrosion-resistant layer 8, the wear-resistant layer 1 9 and the wear-resistant layer 2 10 are arranged so that the wear-resistant effect of the guide sleeve can be effectively improved.

[0026] See attached Figure 1There are several oil injection lubrication holes 2, and the several oil injection lubrication holes 2 are evenly distributed inside the outer wall of the guide sleeve body 1. The several oil injection lubrication holes 2 can allow the lubricating oil to enter the interior of the guide sleeve body 1 through the oil injection lubrication holes 2 during oil injection, which can play a good lubrication role, making the friction coefficient of the guide sleeve body 1 smaller, thereby increasing the service life of the guide sleeve body 1.

[0027] Refer to the attached Figure 2 The fixed end 1 3 is an integral structure with the guide sleeve body 1, a fixing thread 301 is arranged on the outside of the fixed end 1 3, an arc-shaped end 302 is arranged on the upper end of the fixed end 1 3, the fixed end 2 4 is an integral structure with the guide sleeve body 1, a fixing screw hole 401 is arranged on the inside of the fixed end 2 4, eight fixing screw holes 401 are arranged, and the eight fixing screw holes 401 are symmetrical about the vertical center line of the fixed end 2 4, wherein the guide sleeve can be conveniently installed and fixed by the fixed end 1 3 and the fixed end 2 4, and the arc-shaped end 302 can make the fixed end 1 3 have a good protective effect, and avoid damage to one end of the fixed end 3 due to collision.

[0028] Refer to the attached Figure 1 and Figure 3 The reinforcing layer 6 is a carbon fiber composite material, the corrosion-resistant layer 8 is polyimide, the wear-resistant layer 1 9 is a ceramic coating, and the material of the wear-resistant layer 2 10 is polytetrafluoroethylene. Among them, the carbon fiber composite material can combine the characteristics of metal and polymer, and has both high strength and high hardness, and can withstand high temperature and high pressure environment. The polyimide corrosion-resistant layer 8 can effectively improve the corrosion resistance of the guide sleeve. The ceramic coating can make the outside of the guide sleeve have a good wear resistance. The polytetrafluoroethylene can make the inside of the guide sleeve have a good wear resistance and a lower friction coefficient, so that the use effect of the guide sleeve can be better.

[0029] Working principle: When in use, the guide sleeve body 1 can effectively improve the corrosion resistance of the guide sleeve through the polyimide corrosion-resistant layer 8 set, the ceramic coating set can make the outside of the guide sleeve have a good wear-resistant effect, and the polytetrafluoroethylene set can make the inside of the guide sleeve have a good wear-resistant effect while making the inside of the guide sleeve have a lower friction coefficient, which can make the use effect of the guide sleeve better and increase the service life of the guide sleeve. When oiling, the lubricating oil can enter the inside of the guide sleeve body 1 through the oiling lubrication holes 2, which can play a good lubrication role and make the friction coefficient of the guide sleeve body 1 smaller, thereby increasing the service life of the guide sleeve body 1. The guide sleeve can be conveniently installed and fixed by the fixed end 1 3 and the fixed end 2 4 set.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A porous wear-resistant guide sleeve, comprising a guide sleeve body (1), characterized in that: An oil injection lubrication hole (2) is provided inside the outer wall of the guide sleeve body (1); a fixed end 1 (3) is provided at the upper end of the guide sleeve body (1); a fixed end 2 (4) is provided at the lower end of the guide sleeve body (1); the guide sleeve body (1) comprises a base (5), a reinforcement layer (6), a polyformaldehyde layer (7), a corrosion-resistant layer (8), a wear-resistant layer 1 (9) and a wear-resistant layer 2 (10); a reinforcement layer (6) is provided outside the base (5); a polyformaldehyde layer (7) is provided outside the reinforcement layer (6); a corrosion-resistant layer (8) is provided outside the polyformaldehyde layer (7); a wear-resistant layer 1 (9) is provided outside the corrosion-resistant layer (8); and a wear-resistant layer 2 (10) is provided inside the base (5).

2. The porous wear-resistant guide sleeve according to claim 1, characterized in that: A plurality of the oil injection and lubrication holes (2) are provided, and the plurality of the oil injection and lubrication holes (2) are evenly distributed inside the outer wall of the guide sleeve body (1).

3. The porous wear-resistant guide sleeve according to claim 1, characterized in that: The fixed end one (3) and the guide sleeve body (1) are an integral structure, a fixing thread (301) is arranged on the outside of the fixed end one (3), and an arc-shaped end (302) is arranged on the upper end of the fixed end one (3).

4. The porous wear-resistant guide sleeve according to claim 1, characterized in that: The second fixed end (4) and the guide sleeve body (1) are an integral structure, and a fixing screw hole (401) is arranged inside the second fixed end (4). There are eight fixing screw holes (401), and the eight fixing screw holes (401) are symmetrical about the vertical center line of the second fixed end (4).

5. The porous wear-resistant guide sleeve according to claim 1, characterized in that: The reinforcement layer (6) is made of carbon fiber composite material, and the corrosion-resistant layer (8) is made of polyimide.

6. The porous wear-resistant guide sleeve according to claim 1, characterized in that: The wear-resistant layer 1 (9) is a ceramic coating, and the material of the wear-resistant layer 2 (10) is polytetrafluoroethylene.

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