High-strength stainless steel fastener

Abstract

The utility model discloses a high-strength stainless steel fastener, and relates to the technical field of fasteners, the high-strength stainless steel fastener comprises a fastening head, the end part of the fastening head is fixedly connected with a fastening screw rod, the fastening screw rod is in threaded connection with a fastening nut, the fastening screw rod is provided with an anti-falling mechanism, the anti-falling mechanism comprises an anti-falling head, and the anti-falling head is fixedly connected with the fastening nut. A movable groove is formed in the end of the fastening screw rod, the anti-disengaging head is arranged in the movable groove, an anti-disengaging screw rod is fixedly connected to the end of the anti-disengaging head, an anti-disengaging nut is connected to the anti-disengaging screw rod in a threaded mode, and anti-disengaging clamping blocks are arranged on the two sides of the anti-disengaging screw rod. According to the high-strength stainless steel fastener, fastening is conducted by tightening the fastening screw and the fastening nut, then the anti-disengagement head is rotated, the anti-disengagement clamping block abuts against the surface of the inner side of the fastening nut, the fastening nut is clamped through anti-disengagement teeth on the surface of the anti-disengagement clamping block, and the connection stability between the fastening screw and the fastening nut is improved; therefore, a good anti-falling effect can be achieved, and the fastening effect is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to a high-strength stainless steel fastener. Background Art

[0002] Fasteners are a general term for a type of mechanical parts used to fasten two or more parts (or components) into a whole. High-strength stainless steel fasteners are made of high-strength stainless steel. In the prior art, high-strength stainless steel fasteners are prone to loosening after long-term use, resulting in unsatisfactory fastening effects.

[0003] For example, patent publication number CN214196903U specifically discloses a high-strength stainless steel fastener that is easy to disassemble, which includes a left baffle; a bolt shell is fixed in the middle of the right side of the left baffle, a threaded groove is provided in the middle of the right end of the bolt shell, a screw rod is connected inside the threaded groove, a right baffle is fixed at the end of the screw rod, an adjustment block is fixed in the middle of the right end of the right baffle, a slot is provided inside the adjustment block; a rod groove is provided on the right side of the right baffle, the rod groove runs through the inside of the screw rod, a pry rod is inserted inside the rod groove, and the rod groove is located at the upper end of the adjustment block. The utility model uses bolt connection to fasten the fastener, and the fastener itself is provided with a tightening mechanism, which greatly improves the convenience of installing and removing the fastener. However, there is a problem that after long-term use of such high-strength stainless steel fasteners, the fasteners are prone to loosening, resulting in an unsatisfactory fastening effect. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a high-strength stainless steel fastener, which solves the problem that the high-strength stainless steel fastener is prone to loosening after long-term use, thereby resulting in an unsatisfactory fastening effect.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a high-strength stainless steel fastener, comprising a fastening head, the end of the fastening head is fixedly connected to a fastening screw, the fastening screw is threadedly connected to a fastening nut, and the fastening screw is provided with an anti-slip mechanism;

[0006] The anti-slip mechanism includes an anti-slip head, an active groove is provided at the end of the fastening screw, the anti-slip head is arranged in the active groove, the end of the anti-slip head is fixedly connected with an anti-slip screw, the anti-slip screw is threadedly connected with an anti-slip nut, anti-slip blocks are provided on both sides of the anti-slip screw, one side surface of the two anti-slip blocks are fixedly connected with anti-slip teeth, the two anti-slip blocks are fixedly connected with guide blocks, the guide blocks are provided with guide holes, and guide rods are provided inside the guide holes, connecting rods are provided between the two sides of the anti-slip nut and the two anti-slip blocks, and rotating seats are provided at both ends of the two connecting rods.

[0007] Preferably, the anti-slipping head is rotatably connected to the inner wall of the movable groove, and a cross-shaped groove is provided on one side surface of the anti-slipping head.

[0008] Preferably, the anti-slip screw is rotatably connected to the inner wall of the movable groove, and the anti-slip teeth are arranged on the two side surfaces of the two anti-slip blocks that are opposite to each other.

[0009] Preferably, the guide rod is fixedly connected to the inner wall of the movable groove, and the anti-dropping block is slidably connected to the guide rod via the guide block.

[0010] Preferably, one end of the connecting rod is rotatably connected to the anti-dropping block via a rotating seat, and the other end of the connecting rod is rotatably connected to the anti-dropping nut via a rotating seat.

[0011] Preferably, a clamping groove is provided on one side surface of the fastening head, and a clamping mechanism is provided on the inner wall of the clamping groove.

[0012] Preferably, the clamping mechanism comprises a clamping ring, and a plurality of clamping protrusions are fixedly connected to a surface of one side of the clamping ring.

[0013] Preferably, a plurality of telescopic rods are fixedly connected between the clamping ring and the inner wall of the clamping groove, and a clamping spring is disposed on each of the plurality of telescopic rods.

[0014] Beneficial Effects

[0015] The utility model provides a high-strength stainless steel fastener. Compared with the prior art, it has the following advantages:

[0016] Beneficial effects:

[0017] 1. The high-strength stainless steel fastener is fastened by tightening the fastening screw and the fastening nut, and then the anti-slipping head is rotated to press the anti-slipping block against the inner surface of the fastening nut, and the anti-slipping teeth on the surface of the anti-slipping block are used to clamp the fastening nut, thereby increasing the connection stability between the fastening screw and the fastening nut, thereby achieving a good anti-slipping effect and effectively improving the fastening effect.

[0018] 2. The high-strength stainless steel fastener tightens the fastening screw and the fastening nut, and the clamping ring is pressed against the surface of the object. The clamping spring is used to apply pressure, and the clamping protrusion is used to increase the friction force to improve the anti-loosening effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the fastening head structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the anti-slip mechanism structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the clamping mechanism of the utility model.

[0023] In the figure: 1. Fastening head; 2. Anti-slipping mechanism; 201. Anti-slipping head; 202. Movable groove; 203. Anti-slipping screw; 204. Anti-slipping block; 205. Anti-slipping teeth; 206. Guide block; 207. Guide rod; 208. Anti-slipping nut; 209. Connecting rod; 210. Rotating seat; 211. Guide hole; 3. Fastening screw; 4. Fastening nut; 5. Clamping groove; 6. Clamping mechanism; 601. Clamping ring; 602. Clamping protrusion; 603. Telescopic rod. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-3 The utility model provides a technical solution: a high-strength stainless steel fastener, including a fastening head 1, a fastening screw 3 is fixedly connected to the end of the fastening head 1, a fastening nut 4 is threadedly connected to the fastening screw 3, and an anti-slip mechanism 2 is provided on the fastening screw 3, which can be fastened by tightening the fastening screw 3 and the fastening nut 4, and then the anti-slip mechanism 2 is used to increase the connection stability between the fastening screw 3 and the fastening nut 4, so as to achieve a good anti-slip effect and effectively improve the fastening effect.

[0026] The anti-slip mechanism 2 includes an anti-slip head 201, a movable groove 202 is provided at the end of the fastening screw 3, the anti-slip head 201 is arranged in the movable groove 202, the anti-slip head 201 is rotatably connected to the inner wall of the movable groove 202, a cross-shaped groove is provided on one side surface of the anti-slip head 201, and it is convenient to use a tool to rotate the anti-slip head 201, an anti-slip screw 203 is fixedly connected to the end of the anti-slip head 201, the anti-slip screw 203 is rotatably connected to the inner wall of the movable groove 202, an anti-slip nut 208 is threadedly connected to the anti-slip screw 203, and anti-slip blocks 204 are provided on both sides of the anti-slip screw 203. One side surface of each anti-slip block 204 is fixedly connected with an anti-slip tooth 205, and the anti-slip tooth 205 is arranged on the two opposite side surfaces of the two anti-slip blocks 204, so that the anti-slip tooth 205 can be used to clamp the inner surface of the fastening nut 4, thereby improving the stability of the connection and playing an anti-slip effect. The two anti-slip blocks 204 are fixedly connected with a guide block 206, and the guide block 206 is provided with a guide hole 211. A guide rod 207 is arranged inside the guide hole 211. The guide rod 207 is fixedly connected to the inner wall of the movable groove 202. The anti-slip block 204 passes through the guide block 20 6 is slidably connected to the guide rod 207, connecting rods 209 are provided between the two sides of the anti-slip nut 208 and the two anti-slip blocks 204, and rotating seats 210 are provided at both ends of the two connecting rods 209. One end of the connecting rod 209 is rotatably connected to the anti-slip block 204 through the rotating seat 210, and the other end of the connecting rod 209 is rotatably connected to the anti-slip nut 208 through the rotating seat 210, so that the movement of the anti-slip nut 208 can push the anti-slip block 204 to move through the connecting rod 209, and can be tightened by tightening the tightening screw 3 and the tightening nut 4, and then rotating the anti-slip head 201, the rotation of the anti-slip head 201 drives the anti-slip screw 203 to rotate, the rotation of the anti-slip screw 203 drives the anti-slip nut 208 to move, the movement of the anti-slip nut 208 drives the connecting rod 209 to rotate, the connecting rod 209 rotates to push the anti-slip block 204 to move on the guide rod 207, and the anti-slip block 204 is pressed against the inner surface of the fastening nut 4, and the fastening nut 4 is clamped by the anti-slip teeth 205 on the surface of the anti-slip block 204, so as to increase the connection stability between the fastening screw 3 and the fastening nut 4, thereby achieving a good anti-slip effect and effectively improving the fastening effect.

[0027] See also Figure 1 and Figure 4 A clamping groove 5 is provided on one side surface of the fastening head 1, and a clamping mechanism 6 is provided on the inner wall of the clamping groove 5. The clamping mechanism 6 includes a clamping ring 601, and a plurality of clamping protrusions 602 are fixedly connected to the surface of one side of the clamping ring 601. A plurality of telescopic rods 603 are fixedly connected between the clamping ring 601 and the inner wall of the clamping groove 5. A clamping spring is provided on each of the plurality of telescopic rods 603. After tightening the fastening screw 3 and the fastening nut 4, the clamping ring 601 is pressed against the surface of the object, and pressure is applied by the clamping spring. At the same time, the clamping protrusion 602 is used to increase friction, thereby improving the anti-loosening effect.

[0028] During operation, tighten the fastening screw 3 and the fastening nut 4 to tighten them, and then rotate the anti-slip head 201. The rotation of the anti-slip head 201 drives the anti-slip screw 203 to rotate, and the rotation of the anti-slip screw 203 drives the anti-slip nut 208 to move. The movement of the anti-slip nut 208 drives the connecting rod 209 to rotate, and the connecting rod 209 rotates to push the anti-slip block 204 to move on the guide rod 207, and the anti-slip block 204 is pressed against the inner surface of the fastening nut 4. The anti-slip teeth 205 on the surface of the anti-slip block 204 are used to clamp the fastening nut 4, thereby increasing the connection stability between the fastening screw 3 and the fastening nut 4, thereby achieving a good anti-slip effect and effectively improving the fastening effect.

[0029] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A high-strength stainless steel fastener, comprising a fastening head (1), characterized in that: The end of the fastening head (1) is fixedly connected to a fastening screw (3), a fastening nut (4) is threadedly connected to the fastening screw (3), and an anti-slip mechanism (2) is provided on the fastening screw (3); The anti-slip mechanism (2) comprises an anti-slip head (201), an end of the fastening screw (3) is provided with a movable groove (202), the anti-slip head (201) is arranged in the movable groove (202), the end of the anti-slip head (201) is fixedly connected with an anti-slip screw (203), an anti-slip nut (208) is threadedly connected to the anti-slip screw (203), and anti-slip blocks (204) are provided on both sides of the anti-slip screw (203), and the two anti-slip blocks (204) One side surface is fixedly connected with anti-slip teeth (205), the two anti-slip blocks (204) are fixedly connected with guide blocks (206), the guide blocks (206) are provided with guide holes (211), the guide holes (211) are provided with guide rods (207), connecting rods (209) are provided between the two sides of the anti-slip nut (208) and the two anti-slip blocks (204), and rotating seats (210) are provided at both ends of the two connecting rods (209).

2. A high-strength stainless steel fastener according to claim 1, characterized in that: The anti-slipping head (201) is rotatably connected to the inner wall of the movable groove (202), and a cross-shaped groove is provided on one side surface of the anti-slipping head (201).

3. A high-strength stainless steel fastener according to claim 1, characterized in that: The anti-slip screw (203) is rotatably connected to the inner wall of the movable groove (202), and the anti-slip teeth (205) are arranged on the two side surfaces of the two anti-slip blocks (204) that are opposite to each other.

4. A high-strength stainless steel fastener according to claim 1, characterized in that: The guide rod (207) is fixedly connected to the inner wall of the movable groove (202), and the anti-dropping block (204) is slidably connected to the guide rod (207) via the guide block (206).

5. The high-strength stainless steel fastener according to claim 1, characterized in that: One end of the connecting rod (209) is rotatably connected to the anti-dropping block (204) via a rotating seat (210), and the other end of the connecting rod (209) is rotatably connected to the anti-dropping nut (208) via the rotating seat (210).

6. A high-strength stainless steel fastener according to claim 1, characterized in that: A clamping groove (5) is provided on one side surface of the fastening head (1), and a clamping mechanism (6) is provided on the inner wall of the clamping groove (5).

7. A high-strength stainless steel fastener according to claim 6, characterized in that: The clamping mechanism (6) comprises a clamping ring (601), and a plurality of clamping protrusions (602) are fixedly connected to a surface of one side of the clamping ring (601).

8. A high-strength stainless steel fastener according to claim 7, characterized in that: A plurality of telescopic rods (603) are fixedly connected between the clamping ring (601) and the inner wall of the clamping groove (5), and a clamping spring is provided on each of the plurality of telescopic rods (603).

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