Wear-resistant easy-to-install automobile fastener

Abstract

The utility model discloses a wear-resistant easy-to-install automobile fastener which comprises a fastening ring and an I-shaped inserting block, the left end and the right end of the front face of the fastening ring are both fixedly connected with a first shell, the first shell is provided with a first inserting groove, and the I-shaped inserting block is movably connected with an inner cavity of the first inserting groove. A second shell is fixedly connected to the side face of the first shell, a connecting plate is slidably connected to an inner cavity of the second shell, a connecting rod is fixedly connected to the side face of the connecting plate, and the outer surface of the connecting rod is sleeved with a spring. Through mutual cooperation of the wear-resistant coating, the wear-resistant layer, the first high-strength layer, the second high-strength layer, the first inserting groove, the I-shaped inserting block, a pull ring, a connecting rod, a spring, a second inserting groove, an inserting rod and a connecting plate, the problems that an existing automobile fastener is poor in wear-resistant effect, prone to being abraded in the long-time using process, inconvenient to install by people, prone to damage and the like are solved. And the installation can be realized by using a tool.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile fasteners, in particular to an automobile fastener which is wear-resistant and easy to install. Background Art

[0002] Fasteners are a type of mechanical parts used for fastening and connection and are extremely widely used. Fasteners are widely used in industries including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, molds, hydraulics, etc. Various types of fasteners can be seen on various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, instruments and supplies, etc. It is the most widely used mechanical basic parts. Its characteristics are a wide variety of specifications, different performances and uses, and a high degree of standardization, serialization and generalization. Therefore, some people call a type of fasteners with national standards standard fasteners, or simply standard parts. Automotive fasteners are needed in the manufacturing process of automobiles, but the current automotive fasteners have poor wear resistance, which leads to easy wear during long-term use, and are not convenient for people to install, resulting in the need for tools to install. For this reason, we propose a wear-resistant and easy-to-install automotive fastener. Utility Model Content

[0003] The utility model aims to provide a wear-resistant and easy-to-install automobile fastener, which has the advantages of good wear resistance and convenient installation, and solves the problem that the existing automobile fasteners have poor wear resistance, are easy to wear during long-term use, are inconvenient for people to install, and require tools for installation.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wear-resistant and easy-to-install automotive fastener, comprising a fastening ring and an I-shaped plug block, the left and right ends of the front side of the fastening ring are fixedly connected to a first shell, a first slot is provided on the first shell, the I-shaped plug block is movably connected to the inner cavity of the first slot, the side of the first shell is fixedly connected to a second shell, the inner cavity of the second shell is slidably connected to a connecting plate, the side of the connecting plate is fixedly connected to a connecting rod, the outer surface of the connecting rod is sleeved with a spring, the other end of the connecting rod extends to the outside of the side of the second shell, the left and right sides of the I-shaped plug block are provided with a second slot, the other end of the side of the connecting plate is fixedly connected to the plug rod, and the other end of the plug rod is movably connected to the inner cavity of the second slot, the fastening ring comprises a wear-resistant coating, a wear-resistant layer, a first high-strength layer, a second high-strength layer and a substrate layer, the wear-resistant coating is an organic silicon wear-resistant coating, the wear-resistant layer is a low alloy steel, the first high-strength layer is a structural steel, the second high-strength layer is a martensitic stainless steel, and the substrate layer is an iron-aluminum alloy.

[0005] Preferably, one end of the spring is fixedly connected to the side surface of the inner cavity of the second shell, and the other end of the spring is fixedly connected to the connecting plate.

[0006] Preferably, the other end of the connecting rod is fixedly connected with a pull ring, and the pull ring is provided with anti-slip grooves.

[0007] Preferably, the wear-resistant coating is coated on the outside of the wear-resistant layer, and the wear-resistant layer is located outside the first high-strength layer.

[0008] Preferably, the first high-strength layer is located outside the second high-strength layer, and the second high-strength layer is located outside the substrate layer.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0010] The utility model can play a wear-resistant role through the wear-resistant coating, avoid the fastening ring from being worn during long-term use, and improve the service life. The wear-resistant layer can further improve the wear-resistant effect. The first high-strength layer and the second high-strength layer can make the fastening ring have good strength, and avoid the fastening ring from being deformed by external force. The first slot, the I-shaped plug block, the pull ring, the connecting rod, the spring, the second slot, the plug rod and the connecting plate can form a fixing mechanism. When installation is required, two fingers of one hand are respectively inserted into the two pull rings, and then the two fingers are spread to allow the plug rod to enter the second shell body, and then the I-shaped plug block is inserted into the first slot, and then the pull ring is released. The installation and fixing can be carried out without using tools, which solves the problem that the current automobile fasteners have poor wear-resistant effect, which leads to easy wear during long-term use, and are inconvenient for people to install, resulting in the need for tools to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0013] Figure 3 This is a schematic diagram of the fastening ring structure of the utility model.

[0014] In the figure: 1, fastening ring; 101, wear-resistant coating; 102, wear-resistant layer; 103, first high-strength layer; 104, second high-strength layer; 105, base material layer; 2, first shell; 3, second shell; 4, first slot; 5, I-shaped plug; 6, pull ring; 7, connecting rod; 8, spring; 9, second slot; 10, plug rod; 11, connecting plate. DETAILED DESCRIPTION

[0015] 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.

[0016] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0017] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] See also Figure 1-3A wear-resistant and easy-to-install automotive fastener comprises a fastening ring 1 and an I-shaped plug block 5. The left and right ends of the front face of the fastening ring 1 are fixedly connected with a first shell 2. A first slot 4 is provided on the first shell 2. The I-shaped plug block 5 is movably connected with the inner cavity of the first slot 4. The side of the first shell 2 is fixedly connected with a second shell 3. A connecting plate 11 is slidably connected to the inner cavity of the second shell 3. A connecting rod 7 is fixedly connected to the side of the connecting plate 11. A spring 8 is sleeved on the outer surface of the connecting rod 7. The other end of the connecting rod 7 extends to the outside of the side of the second shell 3. A second slot 9 is provided on the left and right sides of the I-shaped plug block 5. The other end of the side of the connecting plate 11 is fixedly connected with a plug rod 10. The other end of the plug rod 10 is movably connected with the inner cavity of the second slot 9. The fastening ring 1 comprises a wear-resistant coating 101, a wear-resistant The invention comprises a wear layer 102, a first high-strength layer 103, a second high-strength layer 104 and a substrate layer 105, the wear-resistant coating 101 is a silicone wear-resistant coating, the wear-resistant layer 102 is a low-alloy steel, the first high-strength layer 103 is a structural steel, the second high-strength layer 104 is a martensitic stainless steel, the substrate layer 105 is an iron-aluminum alloy, one end of the spring 8 is fixedly connected to the side of the inner cavity of the second shell 3, the other end of the spring 8 is fixedly connected to the connecting plate 11, the other end of the connecting rod 7 is fixedly connected to the pull ring 6, and the pull ring 6 is provided with anti-slip grooves, the wear-resistant coating 101 is coated on the outside of the wear-resistant layer 102, the wear-resistant layer 102 is located on the outside of the first high-strength layer 103, the first high-strength layer 103 is located on the outside of the second high-strength layer 104, and the second high-strength layer 104 is located on the outside of the substrate layer 105.

[0019] During use, the wear-resistant coating 101 can play a wear-resistant role, avoid the fastening ring 1 from being worn during long-term use, and improve the service life. The wear-resistant layer 102 can further improve the wear-resistant effect. The first high-strength layer 103 and the second high-strength layer 104 can make the fastening ring 1 have good strength to avoid the fastening ring 1 being deformed by external force. The first slot 4, the I-shaped plug block 5, the pull ring 6, the connecting rod 7, the spring 8, the second slot 9, the plug rod 10 and the connecting plate 11 can form a fixing mechanism. When installation is required, two fingers of one hand are respectively inserted into the two pull rings 6, and then the two fingers are opened to allow the plug rod 10 to enter the second shell 3, and then the I-shaped plug block 5 is inserted into the first slot 4, and then the pull ring 6 is loosened. The installation and fixing can be performed without using tools, which solves the problem that the current automotive fasteners have poor wear resistance, which leads to easy wear during long-term use, and are inconvenient for people to install, resulting in the need for tools to install.

[0020] 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 easy-to-install automotive fastener, comprising a fastening ring (1) and an I-shaped insert (5), characterized in that: The left and right ends of the front face of the fastening ring (1) are both fixedly connected to a first shell (2), a first slot (4) is provided on the first shell (2), the I-shaped plug block (5) is movably connected to the inner cavity of the first slot (4), the side face of the first shell (2) is fixedly connected to a second shell (3), the inner cavity of the second shell (3) is slidably connected to a connecting plate (11), the side face of the connecting plate (11) is fixedly connected to a connecting rod (7), the outer surface of the connecting rod (7) is sleeved with a spring (8), the other end of the connecting rod (7) extends to the outside of the side face of the second shell (3), the left and right sides of the I-shaped plug block (5) are both opened The second slot (9), the other end of the side of the connecting plate (11) is fixedly connected to the insertion rod (10), the other end of the insertion rod (10) is movably connected to the inner cavity of the second slot (9), the fastening ring (1) comprises a wear-resistant coating (101), a wear-resistant layer (102), a first high-strength layer (103), a second high-strength layer (104) and a base layer (105), the wear-resistant coating (101) is an organic silicon wear-resistant coating, the wear-resistant layer (102) is low alloy steel, the first high-strength layer (103) is structural steel, the second high-strength layer (104) is martensitic stainless steel, and the base layer (105) is an iron-aluminum alloy.

2. The wear-resistant and easy-to-install automotive fastener according to claim 1, characterized in that: One end of the spring (8) is fixedly connected to the side surface of the inner cavity of the second shell (3), and the other end of the spring (8) is fixedly connected to the connecting plate (11).

3. The wear-resistant and easy-to-install automotive fastener according to claim 1, characterized in that: The other end of the connecting rod (7) is fixedly connected to a pull ring (6), and the pull ring (6) is provided with anti-slip grooves.

4. The wear-resistant and easy-to-install automotive fastener according to claim 1, characterized in that: The wear-resistant coating (101) is coated on the outside of the wear-resistant layer (102), and the wear-resistant layer (102) is located on the outside of the first high-strength layer (103).

5. The wear-resistant and easy-to-install automotive fastener according to claim 1, characterized in that: The first high-strength layer (103) is located outside the second high-strength layer (104), and the second high-strength layer (104) is located outside the base material layer (105).

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