Wear-resistant automobile motor fastener

Abstract

The utility model discloses a wear-resistant automobile motor fastener, which relates to the technical field of fasteners and comprises a bolt column, the top end of the bolt column is fixedly connected with a connecting block, the top end of the connecting block is fixedly connected with a bolt head, and the outside of the bolt column is movably connected with a sleeve-shaped component capable of resisting vibration and wear. According to the wear-resistant automobile motor fastener, the sleeve head, the outer threaded sleeve, the positioning hole, the fixing groove, the fixing bolt, the first inner groove, the inner threaded sleeve, a second inner groove and a limiting block are arranged, the inner threaded sleeve outside the bolt column is used for reinforcing the bolt column, and after the position of the second inner groove in the front end of the inner threaded sleeve corresponds to the position of the first inner groove in the front end of the bolt column, the bolt column is fixed. The inner thread sleeve is arranged in the outer thread sleeve through the limiting blocks on the left side and the right side of the inner thread sleeve, the overall position of the outer thread sleeve is adjusted through the sleeve head at the top end of the outer thread sleeve, then the outer thread sleeve is connected to the first inner groove through the fixing groove so as to be fixed to a bolt column in a fastener, and the problem that the device does not have the vibration-resistant and abrasion-resistant functions is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to a wear-resistant automobile motor fastener. Background Art

[0002] Fasteners are a type of mechanical component used for fastening connections and are extremely widely used. They are used in a wide range of industries, including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, molds, and hydraulics. They can be found in a variety of machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, meters, and supplies. They are the most widely used mechanical components. They are characterized by a wide variety of varieties and specifications, diverse performance and applications, and a high degree of standardization, serialization, and universalization.

[0003] Automotive alternator fasteners are crucial for ensuring stable connections between generator components. They are typically made from high-strength steel or alloys to withstand the high temperatures, high pressures, and vibrations generated by the engine during operation. These fasteners, including but not limited to bolts, nuts, and screws, primarily secure key engine components such as the cylinder block, cylinder head, crankshaft, and connecting rod. However, their practical operation presents some inconveniences and leaves room for improvement. For example, the strong vibrations and high temperatures generated by automotive motors during operation can cause fasteners to loosen or become damaged, impacting the generator's performance and lifespan. Furthermore, prolonged use and vibration can cause fastener wear, which can reduce their holding force. High-temperature environments can affect the material properties of fasteners, leading to a decrease in their inherent strength and a lack of vibration and wear resistance.

[0004] Now, a new type of wear-resistant automobile motor fastener is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a wear-resistant automobile motor fastener to solve the problem of the lack of vibration resistance and wear resistance in the above-mentioned background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a wear-resistant automotive motor fastener, comprising a bolt column, the top end of which is fixedly connected to a connecting block, the top end of which is fixedly connected to a bolt head, and the outside of the bolt column is movably connected to a sleeve-shaped component that is resistant to vibration and wear.

[0007] The sleeve-shaped component includes an outer screw sleeve, which is movably connected to the outside of the bolt column, a sleeve head is fixedly connected to the top of the outer screw sleeve, positioning holes are respectively provided on the left and right sides of the interior of the outer screw sleeve, a fixing groove is fixedly connected to the front end of the outer screw sleeve, a fixing bolt is movably connected to the interior of the fixing groove, the front end of the bolt column is fixedly connected to the first inner groove, an inner screw sleeve is provided inside the outer screw sleeve, the front end of the inner screw sleeve is fixedly connected to the second inner groove, and limiting blocks are respectively provided on the left and right sides of the inner screw sleeve.

[0008] As a further technical solution of the present invention, the shape and size of the interior of the inner thread sleeve are adapted to the shape and size of the exterior of the bolt column, and the inner thread sleeve can move up and down outside the bolt column.

[0009] As a further technical solution of the present invention, the outer screw sleeve and the inner screw sleeve fit tightly together, and the shapes and sizes of the second inner groove and the fixed groove correspond one to one.

[0010] As a further technical solution of the present invention, the shape and size of the outer portion of the limit block are adapted to the shape and size of the inner portion of the positioning hole, and the shapes and sizes of the fixing groove and the fixing bolt correspond one to one.

[0011] As a further technical solution of the present invention, the interior of the bolt head is fixedly connected with a built-in spiral coil, the interior of the built-in spiral coil is provided with a reinforcement plate, the top of the reinforcement plate is provided with an oleophobic layer, and the top of the oleophobic layer is fixedly connected with a cross groove.

[0012] As a further technical solution of the present invention, the shape and size of the inner part of the built-in spiral coil are adapted to the shape and size of the outer part of the reinforcing sheet, the oleophobic layer and the reinforcing sheet fit tightly together, and the height of the cross-shaped groove is lower than that of the oleophobic layer.

[0013] As a further technical solution of the present invention, a pressure cap is provided on the outside of the connecting block, a rubber pad is provided at the bottom end of the pressure cap, and slots are provided on the left and right sides of the inside of the pressure cap respectively, and elastic gaskets are provided inside the slots.

[0014] As a further technical solution of the present invention, the pressure cap and the rubber pad fit tightly, the vertical center lines of the pressure cap and the bolt column coincide with each other, the pressure cap and the slot are at the same height, and the bottom end of the bolt head and the top end of the pressure cap are connected.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the wear-resistant automobile motor fastener not only realizes the functions of vibration resistance and wear resistance, but also realizes the functions of corrosion resistance and pressure protection;

[0016] (1) By providing a sleeve, an outer screw sleeve, a positioning hole, a fixing groove, a fixing bolt, a first inner groove, an inner screw sleeve, a second inner groove, and a limiting block, the generator part of the automobile often requires fasteners to complete the assembly of the entire motor during installation. The bolt column is fixedly connected by the connecting block and the bolt head. When installing the automobile motor, the bolt column is first connected to the inside of the screw hole of the body to be installed, and is reinforced by the inner screw sleeve outside the bolt column. After the second inner groove position of the front end of the inner screw sleeve corresponds to the first inner groove position of the front end of the bolt column, the inner screw sleeve is placed inside the outer screw sleeve through the limiting blocks on the left and right sides of the inner screw sleeve, and the overall position of the outer screw sleeve is adjusted by the sleeve at the top of the outer screw sleeve. When the position is determined, the fixing bolt is connected to the first inner groove at the front end of the bolt column through the fixing groove to complete the fixation between the outer screw sleeve and the inner screw sleeve and the bolt column. The outer screw sleeve can further strengthen the locking strength of the fastener during the tightening process, prevent the vibration and high temperature generated by the operation of the motor from causing damage to the bolt column, improve the wear resistance of the bolt fastener during the installation of the automobile motor, and realize the function of vibration resistance and wear resistance;

[0017] (2) By providing a built-in spiral coil, a reinforcing plate, an oleophobic layer, and a cross-shaped groove, the bolt column at the bottom end of the bolt head is connected to the through hole of the motor to be installed through the cross-shaped groove. When the bolt column is installed as a whole, the bolt head is exposed to the outside. The built-in spiral coil inside the bolt head can strengthen the structural hardness of the bolt head itself, and the reinforcing plate at the top end of the built-in spiral coil makes the built-in spiral coil more stable. The oleophobic layer at the top end of the reinforcing plate further enhances the corrosion resistance of the fastener, preventing the bolt head of the fastener from being corroded due to accidents such as oil leakage of the automobile motor, thereby causing the fastener to become loose or damaged, thereby improving the subsequent maintenance efficiency of the automobile motor inspection and achieving the corrosion resistance function;

[0018] (3) By providing a rubber pad, a pressure cap, a slot, and an elastic gasket, the bolt column is installed in the through hole of the external mounting component of the motor through the cross-shaped slot inside the bolt head. At the same time, the bolt head and the pressure cap at its bottom are exposed to the outside. The rubber pad at the bottom of the pressure cap can improve the sealing performance, so that the sealing degree between the outside of the fastener and the inside of the installation part is better. In addition, the two sets of slots inside the pressure cap can reduce the pressure applied by the bolt head and the pressure cap when locking the motor mounting component. The elasticity of the elastic gasket inside the slot can better protect the pressure cap from damage, thereby improving the overall pressure resistance of the fastener, extending the service life of the fastener, and realizing the pressure protection function. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view structural diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the explosion-enlarged structure of the outer screw sleeve of the utility model;

[0021] Figure 3 This is a schematic diagram of the top view of the bolt head of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the pressure cap of the present invention from top view.

[0023] In the figure: 1. Bolt column; 2. Connecting block; 3. Bolt head; 4. Sleeve; 5. External screw sleeve; 6. Positioning hole; 7. Fixing groove; 8. Fixing bolt; 9. First inner groove; 10. Internal screw sleeve; 11. Second inner groove; 12. Limit block; 13. Internal screw ring; 14. Reinforcement sheet; 15. Oleophobic layer; 16. Cross groove; 17. Rubber pad; 18. Pressure cap; 19. Slot; 20. Elastic gasket. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Example: See Figure 1-4 A wear-resistant automotive motor fastener includes a bolt column 1, a connecting block 2 is fixedly connected to the top of the bolt column 1, a bolt head 3 is fixedly connected to the top of the connecting block 2, and a sleeve-shaped component that can resist vibration and wear is movably connected to the outside of the bolt column 1;

[0026] See also Figure 1-4 A wear-resistant automobile motor fastener also includes a sleeve-shaped component, which includes an outer screw sleeve 5, which is movably connected to the outside of the bolt column 1, and a sleeve head 4 is fixedly connected to the top of the outer screw sleeve 5. Positioning holes 6 are respectively provided on the left and right sides of the inner part of the outer screw sleeve 5, and a fixing groove 7 is fixedly connected to the front end of the outer screw sleeve 5. A fixing bolt 8 is movably connected to the inner part of the fixing groove 7. The front end of the bolt column 1 is fixedly connected to the first inner groove 9, and an inner screw sleeve 10 is provided inside the outer screw sleeve 5. The front end of the inner screw sleeve 10 is fixedly connected to the second inner groove 11, and limit blocks 12 are respectively provided on the left and right sides of the inner screw sleeve 10;

[0027] The shape and size of the interior of the inner screw sleeve 10 are adapted to the shape and size of the exterior of the bolt column 1. The inner screw sleeve 10 can be displaced up and down on the outside of the bolt column 1. The outer screw sleeve 5 and the inner screw sleeve 10 are tightly fitted. The shape and size of the second inner groove 11 and the fixing groove 7 correspond one to one. The shape and size of the outer limit block 12 and the shape and size of the interior of the positioning hole 6 are adapted. The shape and size of the fixing groove 7 and the fixing bolt 8 correspond one to one.

[0028] Specifically, if Figure 1 and Figure 2 As shown, the generator part of the car often requires fasteners to complete the assembly of the motor as a whole during installation. The bolt column 1 is fixedly connected by the connecting block 2 and the bolt head 3. When the automobile motor is installed, the bolt column 1 is first connected to the screw hole of the body to be installed, and is reinforced by the inner screw sleeve 10 outside the bolt column 1. After the second inner groove 11 at the front end of the inner screw sleeve 10 corresponds to the first inner groove 9 at the front end of the bolt column 1, the inner screw sleeve 10 is placed inside the outer screw sleeve 5 through the limit blocks 12 on the left and right sides of the inner screw sleeve 10, and the overall position of the outer screw sleeve 5 is adjusted by the sleeve head 4 at the top of the outer screw sleeve 5. When the position is determined, the fixing bolt 8 is connected to the first inner groove 9 at the front end of the bolt column 1 through the fixing groove 7 to complete the fixation between the outer screw sleeve 5 and the inner screw sleeve 10 and the bolt column 1. The outer screw sleeve 5 can further strengthen the locking strength of the fastener during the tightening process of the bolt column 1 to prevent the vibration and high temperature generated by the operation of the motor from damaging the bolt column 1, thereby improving the wear resistance of the bolt fastener during the installation of the automobile motor and the stability of the fastener is better.

[0029] The bolt head 3 has an internal spiral coil 13 fixedly connected thereto. A reinforcing sheet 14 is provided inside the internal spiral coil 13. An oleophobic layer 15 is provided on the top of the reinforcing sheet 14. A cross-shaped groove 16 is fixedly connected to the top of the oleophobic layer 15. The shape and size of the internal part of the internal spiral coil 13 match the shape and size of the external part of the reinforcing sheet 14. The oleophobic layer 15 and the reinforcing sheet 14 fit tightly together. The height of the cross-shaped groove 16 is lower than that of the oleophobic layer 15.

[0030] Specifically, if Figure 1 and Figure 3 As shown, the bolt column 1 at the bottom end of the bolt head 3 is connected to the through hole of the motor to be installed through the cross groove 16. When the bolt column 1 is installed as a whole, the bolt head 3 is exposed to the outside. The built-in spiral coil 13 inside the bolt head 3 can enhance the structural hardness of the bolt head 3 itself, and the reinforcing piece 14 at the top of the built-in spiral coil 13 makes the built-in spiral coil 13 more stable. The oleophobic layer 15 at the top of the reinforcing piece 14 further enhances the corrosion resistance of the fastener, preventing the bolt head 3 of the fastener from being corroded due to accidents such as oil leakage of the automobile motor, thereby causing the fastener to loosen or be damaged, thereby improving the subsequent maintenance efficiency of the automobile motor inspection and having a better anti-corrosion effect.

[0031] A pressure cap 18 is provided on the outside of the connecting block 2, a rubber pad 17 is provided on the bottom end of the pressure cap 18, and a card slot 19 is provided on the left and right sides of the inside of the pressure cap 18 respectively. An elastic gasket 20 is provided inside the card slot 19. The pressure cap 18 and the rubber pad 17 fit tightly together, the vertical center line of the pressure cap 18 and the bolt column 1 coincide with each other, the pressure cap 18 and the card slot 19 are at the same height, and the bottom end of the bolt head 3 is connected to the top end of the pressure cap 18;

[0032] Specifically, if Figure 1 and Figure 4 As shown, the bolt column 1 is installed in the through hole of the external mounting component of the motor through the cross groove 16 inside the bolt head 3, and the bolt head 3 and the pressure cap 18 at its bottom are exposed to the outside. The rubber pad 17 at the bottom of the pressure cap 18 can improve the sealing performance, so that the sealing degree between the outside of the fastener and the inside of the installation part is better, and the two sets of grooves 19 inside the pressure cap 18 can reduce the pressure applied by the bolt head 3 and the pressure cap 18 when locking the motor mounting component, and the elastic gasket 20 inside the groove 19 has elasticity and can better protect the pressure cap 18 from damage, thereby improving the overall pressure resistance of the fastener, extending the service life of the fastener, and improving the protection performance of the fastener.

[0033] Working principle: When the utility model is used, first, the generator part of the car often needs to use fasteners to complete the assembly of the motor as a whole during installation. The bolt column 1 is fixedly connected by the connecting block 2 and the bolt head 3. When installing the car motor, the bolt column 1 is first connected to the screw hole of the body to be installed, and is reinforced by the inner screw sleeve 10 outside the bolt column 1. After the second inner groove 11 at the front end of the inner screw sleeve 10 is positioned corresponding to the first inner groove 9 at the front end of the bolt column 1, the inner screw sleeve 10 is placed inside the outer screw sleeve 5 through the limit blocks 12 on the left and right sides of the inner screw sleeve 10, and the sleeve head at the top of the outer screw sleeve 5 is screwed in. 4 Adjust the overall position of the outer screw sleeve 5. When the position is determined, insert the fixing bolt 8 into the first inner groove 9 at the front end of the bolt column 1 through the fixing groove 7 to complete the fixation between the outer screw sleeve 5 and the inner screw sleeve 10 and the bolt column 1. The outer screw sleeve 5 can further strengthen the locking strength of the fastener during the tightening process of the bolt column 1, prevent the vibration and high temperature generated by the operation of the motor from damaging the bolt column 1, and improve the wear resistance of the bolt fastener during the installation of the automobile motor. The fastener has better stability. Insert the bolt column 1 at the bottom end of the bolt head 3 into the through hole of the motor to be installed through the cross groove 16. When the bolt After the column 1 is installed as a whole, the bolt head 3 is exposed to the outside. The built-in spiral ring 13 inside the bolt head 3 can strengthen the structural hardness of the bolt head 3 itself, and the reinforcing piece 14 at the top of the built-in spiral ring 13 makes the built-in spiral ring 13 more stable. The oleophobic layer 15 at the top of the reinforcing piece 14 further enhances the corrosion resistance of the fastener, preventing the bolt head 3 of the fastener from being corroded due to accidents such as oil leakage of the automobile motor, thereby causing the fastener to become loose or damaged, thereby improving the subsequent maintenance efficiency of the automobile motor inspection, and having better anti-corrosion effect. The bolt column 1 is installed through the cross groove 16 inside the bolt head 3. It is installed in the through hole of the external mounting component of the motor, and the bolt head 3 and the pressure cap 18 at its bottom are exposed to the outside. The rubber pad 17 at the bottom of the pressure cap 18 can improve the sealing performance, so that the sealing degree between the outside of the fastener and the inside of the installation part is better, and the two sets of grooves 19 inside the pressure cap 18 can reduce the pressure applied by the bolt head 3 and the pressure cap 18 when locking the motor mounting component, and the elastic gasket 20 inside the groove 19 has elasticity and can better protect the pressure cap 18 from damage, thereby improving the overall pressure resistance of the fastener, extending the service life of the fastener, and improving the protection performance of the fastener.

[0034] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A wear-resistant automotive motor fastener, comprising a bolt column (1), characterized in that: The top end of the bolt column (1) is fixedly connected to a connecting block (2), the top end of the connecting block (2) is fixedly connected to a bolt head (3), and the outside of the bolt column (1) is movably connected to a sleeve-shaped component that can resist vibration and wear; The sleeve-shaped component comprises an outer screw sleeve (5), the outer screw sleeve (5) is movably connected to the outside of the bolt column (1), the top end of the outer screw sleeve (5) is fixedly connected to a sleeve head (4), the left and right sides of the inner part of the outer screw sleeve (5) are respectively provided with positioning holes (6), the front end of the outer screw sleeve (5) is fixedly connected to a fixing groove (7), the interior of the fixing groove (7) is movably connected to a fixing bolt (8), the front end of the bolt column (1) is fixedly connected to a first inner groove (9), the interior of the outer screw sleeve (5) is provided with an inner screw sleeve (10), the front end of the inner screw sleeve (10) is fixedly connected to a second inner groove (11), and the left and right sides of the inner screw sleeve (10) are respectively provided with limit blocks (12).

2. The wear-resistant automotive motor fastener according to claim 1, characterized in that: The shape and size of the interior of the inner thread sleeve (10) are adapted to the shape and size of the exterior of the bolt column (1), and the inner thread sleeve (10) can move up and down outside the bolt column (1).

3. The wear-resistant automotive motor fastener according to claim 2, characterized in that: The outer screw sleeve (5) and the inner screw sleeve (10) are tightly fitted, and the shapes and sizes of the second inner groove (11) and the fixing groove (7) correspond one to one.

4. The wear-resistant automotive motor fastener according to claim 3, characterized in that: The shape and size of the outer portion of the limiting block (12) are adapted to the shape and size of the inner portion of the positioning hole (6), and the shape and size of the fixing groove (7) and the fixing bolt (8) correspond one to one.

5. The wear-resistant automotive motor fastener according to claim 1, characterized in that: The interior of the bolt head (3) is fixedly connected to a built-in spiral coil (13), a reinforcing sheet (14) is provided inside the built-in spiral coil (13), an oleophobic layer (15) is provided at the top end of the reinforcing sheet (14), and a cross-shaped groove (16) is fixedly connected to the top end of the oleophobic layer (15).

6. The wear-resistant automotive motor fastener according to claim 5, characterized in that: The shape and size of the interior of the built-in spiral coil (13) match the shape and size of the exterior of the reinforcing sheet (14); the oleophobic layer (15) and the reinforcing sheet (14) fit tightly together; and the height of the cross-shaped groove (16) is lower than that of the oleophobic layer (15).

7. The wear-resistant automotive motor fastener according to claim 1, characterized in that: A pressure cap (18) is provided on the outside of the connecting block (2), a rubber pad (17) is provided at the bottom end of the pressure cap (18), and a card slot (19) is provided on the left and right sides of the inside of the pressure cap (18), and an elastic gasket (20) is provided inside the card slot (19).

8. The wear-resistant automotive motor fastener according to claim 7, characterized in that: The pressure cap (18) and the rubber pad (17) fit tightly together, the vertical center lines of the pressure cap (18) and the bolt column (1) coincide with each other, the pressure cap (18) and the slot (19) are at the same height, and the bottom end of the bolt head (3) and the top end of the pressure cap (18) are connected.

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