Wear-resistant and corrosion-resistant automobile guide sleeve pin
By setting multiple circumferentially distributed wear-resistant mechanisms on the inner wall of the cylinder of the automotive guide sleeve pin, the lubrication effect of the graphite coating is used to solve the problems of large friction resistance and low wear resistance in the existing guide sleeve pin, and higher wear resistance and more stable connection and positioning of automobile parts are achieved.
Patent Information
- Application Number
- CN202421768401.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The existing automotive guide pins have high friction resistance and low wear resistance, especially when dust enters, resulting in a reduction in wear resistance.
An automobile guide sleeve pin is designed, and the inner wall of its cylinder is equipped with a plurality of wear-resistant mechanisms distributed circumferentially, including long strips, penetrating long openings, long columns, studs, graphite coating and regular hexagonal grooves. Combined with the lubricating effect of the graphite coating, the contact area is reduced and the wear resistance is improved.
Effectively reduce the contact area with the shaft body or rod member, improve the lubrication effect, reduce friction resistance, significantly improve wear resistance, and maintain good wear resistance when dust enters.
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Figure CN222746460U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of guide sleeve pins, in particular to a wear-resistant and corrosion-resistant automobile guide sleeve pin. Background Art
[0002] The automobile guide pin is a mechanical component used to guide the shaft or rod. It can keep the shaft or rod in the correct direction during movement and prevent deflection or shaking. It has guiding, supporting and positioning functions and is often used for the connection and positioning of automobile parts.
[0003] At present, the automotive guide pins on the market are mainly composed of sleeves. When in use, the shaft or rod is inserted into the sleeve, and the outer wall of the shaft or rod is directly attached to the inner wall of the sleeve. The contact surface is large and the friction resistance increases accordingly. At the same time, when external dust enters the gap between the sleeve and the shaft, the friction resistance is further increased and the wear resistance is greatly reduced. Utility Model Content
[0004] The utility model provides a wear-resistant and corrosion-resistant automobile guide sleeve pin, which has the advantages of small friction resistance and high wear resistance, and solves the problems raised in the background technology.
[0005] In order to solve the defects of existing wear-resistant and corrosion-resistant automobile guide sleeve pins, such as large friction resistance and low wear resistance, the utility model provides the following technical solutions: a wear-resistant and corrosion-resistant automobile guide sleeve pin, comprising a cylinder, a circular hole is opened at the bottom end of the cylinder, and a plurality of circumferentially distributed wear-resistant mechanisms are arranged on the inner wall of the cylinder;
[0006] The wear-resistant structure comprises a long strip, the top surface of which is provided with a through long opening, a long column is inserted into the through long opening, a stud is integrally connected to the bottom end of the long column, the outer surface of the long column is coated with a graphite coating, and a regular hexagonal groove is provided in the middle of the top surface of the long column.
[0007] As a preferred technical solution of the utility model, the inner diameter of the circular hole is smaller than the inner diameter of the cylinder, a plurality of threaded holes are provided on the lower inner wall of the cylinder, and the bottom end of the stud is threadedly connected to the threaded holes.
[0008] As a preferred technical solution of the utility model, the strip is integrally connected to the inner wall of the cylinder, and the top surface of the strip is in the same horizontal plane as the top surface of the cylinder.
[0009] As a preferred technical solution of the utility model, the outer wall of the cylinder is provided with an annular groove, the inner wall of the annular groove is provided with a connecting thread, and the annular groove is provided with an internal thread sleeve matching the connecting thread.
[0010] As a preferred technical solution of the utility model, a sealing ring is fixedly connected to the lower inner wall of the annular groove and the bottom surface of the internal threaded sleeve by glue.
[0011] As a preferred technical solution of the utility model, the outer diameter of the cylinder is the same as the outer diameter of the internal threaded sleeve, the cylinder is provided with a rubber sleeve, the rubber sleeve is also sleeved on the internal threaded sleeve, and the inner wall of the rubber sleeve is coated with glue.
[0012] Compared with the prior art, the utility model provides a wear-resistant and corrosion-resistant automobile guide sleeve pin, which has the following beneficial effects:
[0013] 1. The wear-resistant and corrosion-resistant automobile guide sleeve pin has a plurality of wear-resistant mechanisms consisting of long strips, long through-holes, long columns, studs, graphite coatings and regular hexagonal grooves arranged on the inner wall of the cylinder, and the plurality of wear-resistant mechanisms are distributed in a circular pattern. When in use, the contact area with the shaft (or rod) can be effectively reduced, and a good lubrication effect is also provided. Even if a small amount of dust is adhered, the friction resistance will not be increased too much. The overall wear resistance is greatly improved, and the stability of connection and positioning of automobile parts can be effectively guaranteed.
[0014] 2. The wear-resistant and corrosion-resistant automobile guide sleeve pin is provided with a connecting thread and an internal thread sleeve to effectively adjust the width of the ring groove, which is convenient for clamping and fixing with fixing parts of different thicknesses. At the same time, a sealing ring and a rubber sleeve are provided to seal and protect the connecting thread and the thread on the internal thread sleeve, and the corrosion resistance can be effectively improved. At the same time, the cylinder is made of stainless steel and will not rub against the shaft (or rod), and the corrosion resistance is also improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a structural schematic diagram of the wear-resistant mechanism of the utility model;
[0017] Figure 3 It is a top view of the utility model;
[0018] Figure 4 It is a top view of the sealing sleeve of the utility model.
[0019] In the figure:
[0020] 10. Cylinder; 20. Round hole; 30. Wear-resistant mechanism; 31. Long strip; 32. Long through hole; 33. Long column; 34. Stud; 35. Graphite coating; 36. Regular hexagonal groove; 40. Ring groove; 50. Connecting thread; 60. Internal thread sleeve; 70. Sealing ring; 80. Rubber sleeve. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-Figure 4 The utility model discloses a wear-resistant and corrosion-resistant automobile guide sleeve pin, comprising a cylinder 10, a circular hole 20 is opened at the bottom end of the cylinder 10, and a plurality of circumferentially distributed wear-resistant mechanisms 30 are arranged on the inner wall of the cylinder 10;
[0023] The wear-resistant mechanism 30 includes a long strip 31, the top surface of the long strip 31 is provided with a through long opening 32, a long column 33 is inserted into the through long opening 32, a stud 34 is integrally connected to the bottom end of the long column 33, the outer surface of the long column 33 is coated with a graphite coating 35, and a regular hexagonal groove 36 is provided in the middle of the top surface of the long column 33.
[0024] The shaft (or rod) can be inserted into the cylinder 10, and the shaft (or rod) contacts the graphite coating 35 with a small contact area. The graphite coating 35 also plays a good lubricating role, and the wear resistance is greatly improved. At the same time, even if a small amount of dust enters the cylinder 10, it will not increase the friction resistance too much, and the wear resistance is still good. At the same time, the shaft (or rod) does not have any contact friction with the inner wall of the cylinder 10, and will not cause wear of the inner wall of the cylinder 10. The corrosion resistance is also well guaranteed, thereby effectively ensuring the stability of the connection and positioning of automobile parts.
[0025] Specifically, the inner diameter of the circular hole 20 is smaller than the inner diameter of the cylinder 10 , and a plurality of threaded holes are provided on the lower inner wall of the cylinder 10 , and the bottom ends of the studs 34 are threadedly connected to the threaded holes.
[0026] In this embodiment, the stud 34 can be threadedly connected to the threaded hole, so as to achieve a fixed connection of the stud 34 .
[0027] Specifically, the strip 31 is integrally connected to the inner wall of the cylinder 10 , and the top surface of the strip 31 and the top surface of the cylinder 10 are in the same horizontal plane.
[0028] In this embodiment, the connection relationship and connection position between the strip 31 and the cylinder 10 are disclosed.
[0029] Specifically, an annular groove 40 is formed on the outer wall of the cylinder 10 , a connecting thread 50 is formed on the inner wall of the annular groove 40 , and an internal thread sleeve 60 matching the connecting thread 50 is sleeved on the annular groove 40 .
[0030] In this embodiment, the connection thread 50 and the internal thread sleeve 60 can effectively adjust the width of the annular groove 40, and facilitate the clamping and fixing connection with fixing parts of different thicknesses (for example, clamping and fastening through arc-shaped clamping pieces).
[0031] Specifically, the lower inner wall of the annular groove 40 and the bottom surface of the internal threaded sleeve 60 are fixedly connected with a sealing ring 70 by glue. The outer diameter of the cylinder 10 is the same as the outer diameter of the internal threaded sleeve 60. The cylinder 10 is provided with a rubber sleeve 80, which is also sleeved on the internal threaded sleeve 60, and the inner wall of the rubber sleeve 80 is coated with glue.
[0032] In this embodiment, the provision of the rubber sleeve 80 and the sealing ring 70 can seal and protect the threads on the connecting thread 50 and the internal thread sleeve 60, thereby reducing the corrosion of the threads. The corrosion resistance of the threads can be effectively improved, and the provision of the glue can improve the firmness of the rubber sleeve 80 after it is put on, and the rubber sleeve 80 is not easy to loosen.
[0033] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations 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 includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.
[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A wear-resistant and corrosion-resistant automotive guide sleeve pin, characterized in that: It comprises a cylinder (10), a circular hole (20) is opened at the bottom end of the cylinder (10), and a plurality of circumferentially distributed wear-resistant mechanisms (30) are provided on the inner wall of the cylinder (10); The wear-resistant structure (30) comprises a long strip (31), the top surface of the long strip (31) is provided with a through long opening (32), a long column (33) is inserted into the through long opening (32), a stud (34) is integrally connected to the bottom end of the long column (33), the outer surface of the long column (33) is coated with a graphite coating (35), and a regular hexagonal groove (36) is provided in the middle of the top surface of the long column (33).
2. The wear-resistant and corrosion-resistant automotive guide sleeve pin according to claim 1, characterized in that: The inner diameter of the circular hole (20) is smaller than the inner diameter of the cylinder (10); a plurality of threaded holes are provided on the lower inner wall of the cylinder (10); and the bottom ends of the studs (34) are threadedly connected to the threaded holes.
3. The wear-resistant and corrosion-resistant automotive guide sleeve pin according to claim 1, characterized in that: The strip (31) is integrally connected to the inner wall of the cylinder (10), and the top surface of the strip (31) and the top surface of the cylinder (10) are in the same horizontal plane.
4. The wear-resistant and corrosion-resistant automotive guide sleeve pin according to claim 1, characterized in that: The outer wall of the cylinder (10) is provided with an annular groove (40), the inner wall of the annular groove (40) is provided with a connecting thread (50), and the annular groove (40) is sleeved with an internal thread sleeve (60) matching the connecting thread (50).
5. The wear-resistant and corrosion-resistant automotive guide sleeve pin according to claim 4, characterized in that: The lower inner wall of the annular groove (40) and the bottom surface of the internal thread sleeve (60) are both fixedly connected with a sealing ring (70) by glue.
6. The wear-resistant and corrosion-resistant automotive guide sleeve pin according to claim 4, characterized in that: The outer diameter of the cylinder (10) is the same as the outer diameter of the internal thread sleeve (60). The cylinder (10) is sleeved with a rubber sleeve (80), which is also sleeved on the internal thread sleeve (60). The inner wall of the rubber sleeve (80) is coated with glue.