High-reliability anti-loosening automobile fastener

Abstract

The utility model provides a high-reliability anti-loosening type automobile fastener. The high-reliability anti-loosening type automobile fastener comprises a tightening shell; a limiting cylinder is fixedly connected to the right side of the tightening shell, a limiting rod is rotatably connected to the interior of the limiting cylinder, a lead screw is fixedly connected to the left end of the limiting rod and rotatably connected to the interior of the tightening shell, two sets of side grooves are formed in the circumferential side face of the limiting rod, and gear rings are slidably connected to the circumferential side faces of the side grooves; and the inner side of the gear ring is fixedly connected with a limiting block. According to the high-reliability anti-loosening automobile fastener, when a gear ring is located in a limiting cylinder, the gear ring is embedded into a tooth groove, at the moment, the gear ring cannot rotate, the gear ring can limit rotation of a limiting rod through cooperation of a limiting block and a side groove, and at the moment, a lead screw cannot rotate; when the gear ring slides along the limiting rod to be not embedded with the tooth groove, the limiting rod can be rotated, at the moment, the lead screw can rotate along with the limiting rod, the lead screw can be fixed through the mechanism, and therefore the lead screw is prevented from being loosened due to vibration and jolt.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile fasteners, in particular to a high-reliability anti-loosening type automobile fastener. Background Art

[0002] As a means of transportation in life, the safety and reliability of automobiles are particularly important. In automobile production, some parts need to be fastened. One of the commonly used fasteners is the throat clamp, which is an ideal connection fastener. The throat clamp is relatively small and of very small value, but its role is huge. The throat clamp adopts the through-hole process, and has a wide range of applications, is torsion-resistant and pressure-resistant, has balanced torsional torque, is firmly and tightly locked, has a large adjustment range, and is suitable for fasteners connecting soft and hard pipes above 30mm, and has a beautiful appearance after assembly.

[0003] In the technical field of automotive fasteners, existing automotive throat clamp tightening screws do not have a limiting mechanism and cannot limit the screws. Over time, the screws are prone to loosening due to vibration and bumps, which causes the steel belt to loosen, and are not reliable enough.

[0004] Therefore, it is necessary to provide a high-reliability anti-loosening type automotive fastener to solve the above technical problems. Utility Model Content

[0005] The utility model provides a high-reliability anti-loosening automobile fastener, which solves the problem that the tightening screw of the automobile throat clamp has no limiting mechanism and cannot limit the screw, and the screw is easily loosened due to vibration and bump over time, thereby causing the steel belt to loosen.

[0006] In order to solve the above technical problems, the utility model provides a high-reliability anti-loosening type automobile fastener, comprising: a tightening shell;

[0007] The right side of the tightening shell is fixedly connected to a limiting cylinder, the limiting cylinder is rotatably connected to a limiting rod, the left end of the limiting rod is fixedly connected to a screw rod, the screw rod is rotatably connected to the inside of the tightening shell, the peripheral side of the limiting rod is provided with side grooves, and the side grooves are provided with two groups, the peripheral side of the side grooves is slidably connected with a gear ring, the inner side of the gear ring is fixedly connected to a limiting block, and two groups of limit blocks are provided, the limit blocks are slidably connected to the corresponding side grooves, the inner side of the limiting cylinder is provided with tooth grooves, and the tooth grooves match the tooth ring.

[0008] Preferably, a rotating plate is fixedly connected to the right end of the limiting rod, and magnetic rings are fixedly connected to the left and right sides of the gear ring.

[0009] Preferably, a shift rod is fixedly connected to the circumferential side surface of the gear ring, and two groups of shift rods are provided.

[0010] Preferably, a steel belt is fixedly connected inside the tightening shell, and one end of the steel belt is fixedly connected inside the tightening shell.

[0011] Preferably, the front side of the steel belt is provided with fastening grooves, and there are multiple groups of fastening grooves, and the fastening grooves match the screw rods.

[0012] Preferably, a rubber ring is fixedly connected to the inner side of the steel belt, and two groups of rubber rings are provided.

[0013] Compared with the related art, the high-reliability anti-loosening automobile fastener provided by the utility model has the following beneficial effects:

[0014] The utility model provides a high-reliability anti-loosening automobile fastener. When the gear ring is located in the limiting cylinder, the gear ring is engaged with the tooth groove. At this time, the gear ring cannot rotate. The gear ring can limit the rotation of the limiting rod through the cooperation of the limiting block and the side groove. At this time, the screw rod cannot rotate. When the gear ring slides along the limiting rod until it is no longer engaged with the tooth groove, the limiting rod can be rotated. At this time, the rotation of the screw rod can follow the rotation of the limiting rod. The screw rod can be fixed by the mechanism to prevent the screw rod from loosening due to vibration and bump. The gear ring can be easily moved by the lever. The gear ring can be easily positioned by the magnetic attraction of the magnetic ring, the rotating plate and the limiting cylinder to prevent the gear ring from sliding at will. The gear ring can be easily controlled and positioned by the mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a high-reliability anti-loosening automobile fastener provided by the utility model;

[0016] Figure 2 for Figure 1 An enlarged schematic diagram of the structure of region A is shown;

[0017] Figure 3 for Figure 2 Schematic diagram of the structure of the limit rod shown.

[0018] Numbers in the figure: 1. Tightening shell; 2. Limiting cylinder; 3. Limiting rod; 4. Screw rod; 5. Side groove; 6. Gear ring; 7. Limiting block; 8. Gear groove; 9. Rotating piece; 10. Magnetic ring; 11. Push rod; 12. Steel belt; 13. Fastening groove; 14. Rubber ring. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Please refer to Figure 1 , Figure 2 and Figure 3 ,in Figure 1 A schematic structural diagram of a preferred embodiment of a high-reliability anti-loosening automobile fastener provided by the utility model; Figure 2 for Figure 1 An enlarged schematic diagram of the structure of region A is shown; Figure 3 for Figure 2 The structural schematic diagram of the limit rod shown is a high-reliability anti-loosening type automotive fastener, comprising: a tightening shell 1;

[0021] The right side of the tightening shell 1 is fixedly connected to the limiting cylinder 2, and the limiting cylinder 2 is rotatably connected to the limiting rod 3. The left end of the limiting rod 3 is fixedly connected to the screw rod 4, and the screw rod 4 is rotatably connected to the inside of the tightening shell 1. Side grooves 5 are opened on the sides of the limiting rod 3, and two groups of side grooves 5 are opened. A gear ring 6 is slidably connected to the sides of the side grooves 5. The inner side of the gear ring 6 is fixedly connected to a limiting block 7, and two groups of limit blocks 7 are provided. The limit block 7 is slidably connected to the corresponding side groove 5. A tooth groove 8 is opened on the inner side of the limiting cylinder 2, and the tooth groove 8 matches the tooth ring 6. When the tooth ring 6 enters the inner side of the limiting cylinder 2 and engages with the tooth groove 8, the tooth ring 6 cannot rotate, and the rotation of the limiting rod 3 can be limited by the cooperation of the limit block 7 and the side groove 5.

[0022] The right end of the limiting rod 3 is fixedly connected with a rotating piece 9, and the left and right sides of the gear ring 6 are fixedly connected with magnetic circles 10. The limiting cylinder 2 is made of a metal material that can be magnetically attracted, and the rotating piece 9 is also made of a metal material that can be magnetically attracted.

[0023] A shifting rod 11 is fixedly connected to the side surface of the gear ring 6 , and two groups of the shifting rods 11 are provided. The provision of the shifting rods 11 can facilitate the movement of the gear ring 6 .

[0024] A steel belt 12 is fixedly connected inside the tightening shell 1 , one end of the steel belt 12 is fixedly connected inside the tightening shell 1 , and the other end of the steel belt 12 can pass through the inside of the tightening shell 1 .

[0025] A fastening groove 13 is provided on the front side of the steel belt 12 , and there are multiple groups of fastening grooves 13 , which match the screw rod 4 .

[0026] A rubber ring 14 is fixedly connected to the inner side of the steel belt 12 , and two groups of rubber rings 14 are provided. The rubber rings 14 can protect the fixed parts.

[0027] The working principle of a high-reliability anti-loosening automobile fastener provided by the utility model is as follows:

[0028] Step 1: During use, when the gear ring 6 is located inside the limiting tube 2, the gear ring 6 is engaged with the tooth groove 8. At this time, the gear ring 6 cannot rotate. The gear ring 6 can limit the rotation of the limiting rod 3 through the cooperation of the limiting block 7 and the side groove 5. At this time, the screw rod 4 cannot rotate. When the gear ring 6 slides along the limiting rod 3 until it is no longer engaged with the tooth groove 8, the limiting rod 3 can be rotated. At this time, the screw rod 4 can rotate and follow the limiting rod 3.

[0029] Step 2: The gear ring 6 can be easily moved by the lever 11, and the gear ring 6 can be easily positioned by the magnetic attraction of the magnetic ring 10, the rotating plate 9 and the limiting cylinder 2 to prevent the gear ring 6 from sliding randomly.

[0030] Compared with the related art, the high-reliability anti-loosening automobile fastener provided by the utility model has the following beneficial effects:

[0031] When the gear ring 6 is located inside the limiting cylinder 2, the gear ring 6 is engaged with the tooth groove 8. At this time, the gear ring 6 cannot rotate. The gear ring 6 can limit the rotation of the limit rod 3 through the cooperation of the limit block 7 and the side groove 5. At this time, the screw rod 4 cannot rotate. When the gear ring 6 slides along the limit rod 3 until it is no longer engaged with the tooth groove 8, the limit rod 3 can be rotated. At this time, the screw rod 4 can rotate along the limit rod 3. The screw rod 4 can be fixed by this mechanism to prevent it from loosening due to vibration and bumps. The gear ring 6 can be easily moved by the lever 11. The gear ring 6 can be easily positioned by the magnetic ring 10, the rotating plate 9 and the limiting cylinder 2 to prevent the gear ring 6 from sliding at will. The gear ring 6 can be easily controlled and positioned by this mechanism.

[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A high reliability anti-loosening automotive fastener, characterized in that: include: Tighten the shell (1); The right side of the tightening shell (1) is fixedly connected to a limiting cylinder (2), the limiting cylinder (2) is rotatably connected to a limiting rod (3), the left end of the limiting rod (3) is fixedly connected to a screw rod (4), the screw rod (4) is rotatably connected to the inside of the tightening shell (1), the circumferential side of the limiting rod (3) is provided with a side groove (5), and the side groove (5) is provided with two groups, the circumferential side of the side groove (5) is slidably connected to a toothed ring (6), the inner side of the toothed ring (6) is fixedly connected to a limiting block (7), and the limiting block (7) is provided with two groups, the limiting block (7) is slidably connected to the corresponding side groove (5), and the inner side of the limiting cylinder (2) is provided with a toothed groove (8).

2. The high reliability anti-loosening automotive fastener according to claim 1, characterized in that: The right end of the limiting rod (3) is fixedly connected to a rotating plate (9), and the left and right sides of the gear ring (6) are fixedly connected to magnetic rings (10).

3. The high reliability anti-loosening automotive fastener according to claim 2, characterized in that: A shifting rod (11) is fixedly connected to the peripheral side surface of the gear ring (6), and two groups of the shifting rods (11) are provided.

4. The high reliability anti-loosening automotive fastener according to claim 3, characterized in that: A steel belt (12) is fixedly connected inside the tightening shell (1), and one end of the steel belt (12) is fixedly connected inside the tightening shell (1).

5. The high reliability anti-loosening automotive fastener according to claim 4, characterized in that: The front side of the steel belt (12) is provided with a fastening groove (13), and the fastening grooves (13) are provided in a plurality of groups.

6. The high reliability anti-loosening automotive fastener according to claim 5, characterized in that: A rubber ring (14) is fixedly connected to the inner side of the steel belt (12), and two groups of rubber rings (14) are provided.

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