Ratchet hub bolt

Abstract

The utility model belongs to the technical field of hub bolts, and particularly relates to a ratchet hub bolt which comprises a bolt body and a bolt head, a plurality of stress ratchets are arranged on the peripheral face of the bolt head, and special-shaped ratchets are arranged on the end face of the bolt head at the bottoms of the stress ratchets. The fastening piece is arranged on the outer side of the body and located on the matching face between the body and the hub, and the fastening piece is fixed to the screw head; wherein the screw head is provided with a protruding end, the end portion of the protruding end is provided with threads, and the fastener is arranged on the protruding end.

Description

Technical Field

[0001] This utility model belongs to the field of wheel hub bolt technology, and particularly relates to a ratchet hub bolt. Background Technology

[0002] Wheel hub bolts are high-strength bolts that connect the wheels of a vehicle. The connection point is the wheel hub unit bearing. Generally, 10.9 grade bolts are used on microcars, while 12.9 grade bolts are used on medium and large vehicles. The structure of a wheel hub bolt generally consists of a knurled keyway, a threaded keyway, and a cap head.

[0003] Existing vehicles are easily targeted when parked, especially by malicious individuals who covet vehicle parts such as wheels. Such situations frequently occur in real life, which is why we have specially designed a ratchet hub bolt. Utility Model Content

[0004] The purpose of this utility model is to address the aforementioned technical problems by providing a ratchet hub bolt, thereby improving vehicle safety.

[0005] In view of this, the present invention provides a ratchet hub bolt, comprising:

[0006] A bolt, comprising a body and a screw head, wherein a plurality of force-bearing ratchet teeth are arranged on the outer circumferential surface of the screw head, and irregularly shaped ratchet teeth are provided on the screw head end face at the bottom of the force-bearing ratchet teeth;

[0007] Fasteners are located on the outside of the body and on the mating surface between the body and the hub. The fasteners are fixed with screw heads.

[0008] The screw head has a protruding end, the end of which is threaded, and the fastener is located on the protruding end.

[0009] In the above technical solution, the fastener further includes:

[0010] A fixed cylinder is provided with a through hole, and a constricted connecting port is provided at one end of the through hole. The connecting port is slidably connected to the protruding end.

[0011] The cap has a threaded hole, which connects with the thread on the protruding end to limit and fix the fixed cylinder to the protruding end.

[0012] A spring washer is placed inside the through hole of the fixed cylinder and between the mating surfaces of the screw head and the hub.

[0013] In the above technical solution, furthermore, after the cap is connected to the protruding end, a buffer zone is formed on the protruding end between the cap and the screw head;

[0014] The fixed cylinder can move within the buffer zone by relying on the connection port.

[0015] Furthermore, the above technical solution also includes:

[0016] The fastening spring is located in the buffer zone, and its two ends abut against the cap and the fixing cylinder.

[0017] Furthermore, the above technical solution also includes:

[0018] The skirted frame is located at the bottom of the fixed cylinder.

[0019] Furthermore, the above technical solution also includes:

[0020] Gaskets are placed at the bottom of the skirt frame.

[0021] The above technical solution further includes:

[0022] Splines are set on the outer peripheral wall of the cap.

[0023] The beneficial effects of this utility model are as follows:

[0024] 1. By setting up ratchet teeth, the bolts can only be disassembled with specific tools, thus achieving the effect of theft prevention.

[0025] 2. The irregularly shaped ratchet at the bottom of the ratchet under force damages the end face structure at the bottom of the screw head, thus making it impossible for a general-purpose wrench to effectively connect to the screw head for disassembly, thereby enhancing the anti-theft effect.

[0026] 3. The fastener covers the outside of the bolt head and extends to the mounting end face of the hub to which the bolt is connected, thus assisting the bolt in securing the connection to the hub. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of one side of the structure of this utility model;

[0028] Figure 2 This is a schematic diagram of the other side of the structure of this utility model;

[0029] Figure 3 This is an exploded view of the structure of this utility model;

[0030] Figure 4 This is a schematic diagram of the internal structure of this utility model;

[0031] The markings in the diagram represent: 1. Bolt; 11. Body; 12. Screw head; 121. Forced ratchet; 122. Irregular ratchet; 123. Protruding end; 2. Fastener; 21. Fixing sleeve; 211. Through hole; 212. Connection port; 22. Cap; 221. Threaded hole; 23. Spring washer; 3. Buffer zone; 4. Fastening spring; 5. Skirt frame; 6. Washer; 7. Spline. Detailed Implementation

[0032] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0033] Example 1:

[0034] This embodiment provides a ratchet hub bolt, including:

[0035] Bolt 1 includes a body 11 and a screw head 12. The screw head 12 has a plurality of force-bearing ratchet teeth 121 arranged on its outer circumferential surface. The screw head 12 end face at the bottom of the force-bearing ratchet teeth 121 is provided with irregularly shaped ratchet teeth 122.

[0036] Fastener 2 is provided on the outside of the body 11 and on the mating surface between the body 11 and the hub. Fastener 2 is fixed to screw head 12.

[0037] The screw head 12 is provided with a protruding end 123, and the end portion of the protruding end 123 is provided with threads. The fastener 2 is provided on the protruding end 123.

[0038] As can be seen from this embodiment, a ratchet hub bolt 1 includes a bolt 1 and a fastener 2;

[0039] Bolt 1 includes a body 11 and a screw head 12. The body 11 has threads as a connecting component, and the screw head 12 is integrally formed at one end of the body 11.

[0040] Furthermore, the outer peripheral wall of the screw head 12 is formed with a plurality of force-bearing ratchet teeth 121 arranged in a plurality of arrays, and the bottom of the screw head 12 at the bottom of the force-bearing ratchet teeth 121 is formed with irregularly shaped ratchet teeth 122. By setting the force-bearing ratchet teeth 121, the bolt 1 can only be disassembled by a specific tool, thereby achieving the effect of theft prevention.

[0041] Furthermore, the irregularly shaped ratchet 122 at the bottom of the ratchet 121 damages the end face structure at the bottom of the screw head 12, thereby preventing the universal wrench from effectively connecting to the screw head 12 for disassembly, thus enhancing the anti-theft effect.

[0042] Furthermore, a protruding end 123 is formed on the screw head 12, and a threaded section is formed on the protruding end 123. The protruding end 123 is movably connected to the threaded section fastener 2, which facilitates disassembly and assembly.

[0043] Further fasteners 2 cover the outside of the screw head 12 and extend to the mounting end face of the hub to which the bolt 1 is connected. Fasteners 2 assist the bolt 1 in being securely connected to the hub.

[0044] Fastener 2 is connected to

[0045] Example 2:

[0046] This embodiment provides a... In addition to the technical solutions included in the above embodiments, it also has the following technical features.

[0047] Fastener 2 includes:

[0048] A fixed cylinder 21 is provided with a through hole 211. One end of the through hole 211 is provided with a constricted connection port 212. The connection port 212 is slidably connected to the protruding end 123.

[0049] The cap 22 has a threaded hole 221. After the threaded hole 221 is connected to the thread on the protruding end 123, the fixing cylinder 21 is limited and fixed to the protruding end 123.

[0050] Spring washer 23 is disposed inside the through hole 211 of the fixed cylinder 21 and is located between the mating surfaces of the screw head 12 and the hub.

[0051] As can be seen from this embodiment, the fastener 2 includes a fixing cylinder 21, a cap 22, and a spring washer 23;

[0052] The fixing cylinder 21 is cylindrical and has a through hole 211. One end of the through hole 211 is narrowed and serves as a connection port 212. The fixing cylinder 21 is slidably connected to the protruding end 123 through the connection port 212. The through hole 211 covers the outside of the screw head 12 to form a protective structure.

[0053] Furthermore, the cap 22 is connected to the threaded section of the protruding end 123. After the cap 22 is connected to the threaded section, it forms a limit with the connection port 212, thereby limiting and fixing the fixing cylinder 21 to the screw head 12.

[0054] Furthermore, a spring washer 23 is provided on one end of the connection port 212 of the fixed cylinder 21. The spring washer 23 is sleeved on the body 11 and undergoes elastic deformation under the pressure of the screw head 12 during the connection between the body 11 and the hub. During the deformation process, it pushes against the screw head 12 with its own elastic force, so that the bolt 1 is not easy to loosen, thus achieving the effect of fastening.

[0055] Furthermore, in fastener 2, the spring washer 23 is the main functional component. Even without the fixing sleeve 21 and cap 22, the spring washer 23 can be fixed by connecting to the hub through the screw head 12 and produce a fastening effect.

[0056] Example 3:

[0057] This embodiment provides a... In addition to the technical solutions included in the above embodiments, it also has the following technical features.

[0058] After the cap 22 is connected to the protruding end 123, a buffer zone 3 is formed on the protruding end 123 between the cap 22 and the screw head 12.

[0059] Among them, the fixed cylinder 21 can be displaced in the buffer zone 3 by means of the connection port 212.

[0060] As can be seen from this embodiment, after the cap 22 is connected to the protruding end 123, a buffer area will be formed between the cap 22 and the screw head 12;

[0061] During use, the cap 22 can adjust its sliding displacement in the buffer area according to the fit between the screw head 12 and the spring washer 23, thereby avoiding structural limitations and facilitating use.

[0062] Example 4:

[0063] This embodiment provides a... In addition to the technical solutions included in the above embodiments, it also has the following technical features.

[0064] The fastening spring 4 is set on the buffer zone 3, and its two ends abut against the cap 22 and the fixing cylinder 21.

[0065] As can be seen from this embodiment, by setting a fastening spring 4 on the buffer area, the fixing cylinder 21 can be pressed tightly against the hub during use, thereby reducing vibration.

[0066] Example 5:

[0067] This embodiment provides a... In addition to the technical solutions included in the above embodiments, it also has the following technical features.

[0068] Skirt frame 5 is located at the bottom of fixed cylinder 21.

[0069] As can be seen from this embodiment, by setting a skirt frame 5 at the bottom of the fixed cylinder 21, the contact surface between the fixed cylinder 21 and the wheel hub is expanded. By expanding the contact, the fit between the fixed cylinder 21 and the wheel hub is eased, thus achieving a protective effect.

[0070] Example 6:

[0071] This embodiment provides a... In addition to the technical solutions included in the above embodiments, it also has the following technical features.

[0072] Gasket 6 is set at the bottom of the skirt frame 5.

[0073] As can be seen from this embodiment, by setting a pad 6 on the bottom surface of the skirt frame 5, the vibration and friction caused by the force between the cap 22 and the wheel hub can be mitigated, thus achieving a protective effect.

[0074] Example 7:

[0075] This embodiment provides a... In addition to the technical solutions included in the above embodiments, it also has the following technical features.

[0076] Spline 7 is set on the outer peripheral wall of cap 22.

[0077] As can be seen from this embodiment, by providing splines 7 on the outer peripheral wall of the cap 22, it is convenient for operators to disassemble and assemble the cap 22.

[0078] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A ratchet hub bolt, characterized in that it comprises: Bolt (1), the bolt (1) includes a body (11) and a screw head (12), the screw head (12) has a plurality of force-bearing ratchet teeth (121) arranged on the outer circumferential surface, and the screw head (122) at the bottom of the force-bearing ratchet teeth (121) has a special-shaped ratchet tooth (122); Fastener (2), the fastener (2) is disposed on the outside of the body (11) and on the mating surface between the body (11) and the hub, the fastener (2) is fixed with the screw head (12); The screw head (12) is provided with a protruding end (123), the end portion of the protruding end (123) is provided with threads, and the fastener (2) is provided on the protruding end (123).

2. The ratchet hub bolt according to claim 1, characterized in that, Fastener (2) includes: A fixed cylinder (21) is provided with a through hole (211), and a connecting port (212) in the shape of a constriction is provided at one end of the through hole (211). The connecting port (212) is slidably connected to the protruding end (123). The cap (22) has a threaded hole (221) and the threaded hole (221) is connected to the thread on the protruding end (123) to limit and fix the fixing cylinder (21) to the protruding end (123); Spring washer (23) is disposed in the through hole (211) of the fixed cylinder (21) and between the mating surface of the screw head (12) and the hub.

3. A ratchet hub bolt according to claim 2, characterized in that, After the cap (22) is connected to the protruding end (123), a buffer zone (3) is formed on the protruding end (123) between the cap (22) and the screw head (12); The fixed cylinder (21) can be displaced in the buffer zone (3) by means of the connection port (212).

4. A ratchet hub bolt according to claim 3, characterized in that, it also... include: A fastening spring (4) is provided on the buffer zone (3), and the two ends of the fastening spring (4) abut against the cap (22) and the fixing cylinder (21).

5. A ratchet hub bolt according to claim 4, characterized in that, it further... include: Skirt frame (5) is located at the bottom of the fixed cylinder (21).

6. A ratchet hub bolt according to claim 5, characterized in that, it further... include: A gasket (6) is provided at the bottom of the skirt frame (5).

7. A ratchet hub bolt according to claim 6, characterized in that, it further... include: Spline (7) is disposed on the outer peripheral wall of cap (22).

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