Fastener with anti-falling effect

Abstract

The utility model provides a fastener with an anti-falling effect. The fastener with the anti-disengaging effect comprises a screw rod, a nut and a nut, the cap head is fixedly connected to the top end of the screw rod, the outer surface of the cap head is in threaded connection with a nut, and butt joint ports can be formed in the positions, close to the two sides, of the bottom of the nut; the square inserting opening is formed in the bottom end of the screw rod, a square inserting block is mounted in the square inserting opening, a mounting opening is formed in the square inserting block, a fixed disc is fixedly connected to the top of the inner wall of the mounting opening, a supporting spring is mounted at the bottom of the fixed disc, and a movable disc is fixedly connected to the bottom end of the supporting spring; and the bottom end of the movable disc is fixedly connected with a connecting rod. According to the fastening piece with the anti-falling effect, the nut is limited through the anti-falling frame through the design, the anti-falling effect is achieved, and therefore the anti-falling effect of the bolt fastening piece is improved.

Description

Technical Field

[0001] This utility model relates to the field of fastener anti-loosening technology, and in particular to a fastener with anti-loosening effect. Background Technology

[0002] Fasteners are a wide range of mechanical parts used for fastening connections. They are used in a wide range of industries, including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, mold making, hydraulics, and more. They are used in various types of machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, meters, and supplies.

[0003] Fasteners mainly include the following 12 categories of parts: bolts, studs, screws, nuts, self-tapping screws, wood screws, washers, retaining rings, pins, rivets, assemblies and connecting pairs, and weld studs. Bolt fasteners consist of a head, a thread, and a nut assembly.

[0004] Existing bolt fasteners have simple structures and are mostly connected by simple threads. After long-term use or vibration, the friction between the fastener and the connected parts decreases, which can easily cause loosening and thus pose a safety hazard.

[0005] Therefore, it is necessary to provide a fastener with anti-loosening effect to solve the above-mentioned technical problems. Utility Model Content

[0006] This utility model provides a fastener with anti-loosening effect, which solves the problem that simple bolt fasteners are prone to loosening due to the loss of friction after a period of use or when subjected to vibration.

[0007] To solve the above-mentioned technical problems, the fastener with anti-loosening effect provided by this utility model includes: a screw;

[0008] The cap head is fixedly connected to the top of the screw rod. The outer surface of the cap head is threaded with a nut. The bottom of the nut is provided with a matching interface near both sides.

[0009] The square socket is arranged at the bottom end of the screw rod, a square plug is arranged in the square socket, an installation hole is arranged in the square plug, a fixed disc is fixedly connected to the top of the inner wall of the installation hole, a supporting spring is arranged at the bottom of the fixed disc, a movable disc is fixedly connected to the bottom end of the supporting spring, a connecting rod is fixedly connected to the bottom end of the movable disc, clamping bolts are arranged on the both sides of the connecting rod through supporting springs, a connecting frame is fixedly connected to the bottom end of the connecting rod, pressing rods are fixedly connected to the bottom of the connecting frame near both ends, an adjusting screw rod is rotatably connected to the bottom end of the square plug, and internal thread rings are threadedly connected to the outer surface of the adjusting screw rod.

[0010] The interface is square, and the side with the interface is away from the cap head during installation. The clamping bolt is compressed by pressing, and the position of the internal thread ring can be adjusted by rotating the adjusting screw rod, so that the anti-disengagement frame can be clamped into the interface.

[0011] Preferably, a plurality of reinforcing strips are arranged on the outer surfaces of the screw cap and the cap head, and the both sides of the inner wall of the square socket are provided with holes for clamping the clamping bolt.

[0012] The reinforcing strips are arranged at the corners of the screw cap and the cap head, which can reduce wear.

[0013] Preferably, a protective cover is arranged on the outer surface of the cap head, and anti-skid lines are arranged on the outer surface of the protective cover.

[0014] The protective cover is made of rubber material.

[0015] Preferably, two first anti-loosening rings are arranged on the outer surface of the screw rod near the top, and two second anti-loosening rings are arranged on the outer surface of the screw rod near the bottom.

[0016] Preferably, an abutting strip is arranged between the two first anti-loosening rings and the two second anti-loosening rings, and the second anti-loosening ring is arranged above the screw cap.

[0017] The abutting strips can be clamped with each other.

[0018] Preferably, two insertion holes are arranged at the bottom of the lower first anti-loosening ring, and insertion bolts are arranged in the insertion holes.

[0019] The insertion bolts can be inserted into the holes of the installation structure.

[0020] Compared with the related art, the fastener with the anti-disengagement effect has the following beneficial effects:

[0021] The utility model provides a fastener with anti -drop effect, in order to improve the anti -drop effect of bolt fastener, the bottom end of screw rod is equipped with a square socket, then the square insert block with two clamps is installed in the bottom end of screw rod, thereby the anti -drop frame and the nut butt joint on screw rod can be conveniently adjusted, the anti -drop effect of nut can be increased, in actual use, first the screw rod with cap head is installed to the corresponding position, then the nut with butt joint and screw rod are connected well, after finishing, only need to insert the square insert block into the square socket, and the square insert block is fixed through two clamps, then only need to rotate the adjusting screw rod can drive the internal thread ring to be close to screw rod, and let two anti -drop frames on the internal thread ring insert into the inside of butt joint, complete the anti -drop structure installation of bolt fastener, through the design, the nut is limited by anti -drop frame, plays the anti -drop effect, thereby the anti -drop effect of bolt fastener is increased. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A preferred embodiment structure schematic view of the fastener with anti -drop effect provided by the utility model is provided.

[0023] Figure 2 The structure schematic view of the first anti -looseness ring provided by the utility model is provided.

[0024] Figure 3 The structure schematic view of the fastener with anti -drop effect provided by the utility model is provided. Figure 2 The enlarged view of A shown in the figure is provided.

[0025] Figure 4 The structure schematic view of the supporting spring provided by the utility model is provided.

[0026] Figure 5 The enlarged view of B shown in the figure is provided. Figure 2

[0027] Mark in the figure: 1, screw rod, 2, first anti -looseness ring, 3, second anti -looseness ring, 4, anti -drop frame, 5, nut, 6, cap head, 7, protective cover, 8, non -slip line, 9, reinforcing strip, 10, butt joint, 11, square insert block, 12, adjusting screw rod, 13, internal thread ring, 14, square socket, 15, installation mouth, 16, movable disc, 17, connecting rod, 18, press bar, 19, connecting frame, 20, clamp, 21, supporting spring, 22, fixed disc, 23, butt joint, 24, plug, 25, insertion hole. DETAILED DESCRIPTION

[0028] The utility model will be further explained below in combination with the drawings and embodiment.

[0029] Please combine with Figure 1 , Figure 2 , Figure 3 , Figure 4 and​Figure 5 wherein, Figure 1 A preferred embodiment structure diagram of the fastener with anti-off effect provided by the utility model; Figure 2 A structure diagram of the first anti-loose ring provided by the utility model; Figure 3 A structure diagram of the fastener with anti-off effect provided by the utility model Figure 2 An enlarged view of A shown in the figure; Figure 4 A structure diagram of the supporting spring provided by the utility model; Figure 5 A structure diagram of the fastener with anti-off effect provided by the utility model Figure 2 The fastener with anti-off effect comprises a screw rod 1;

[0030] A cap head 6 is fixedly connected to the top end of the screw rod 1, the outer surface of the cap head 6 is threadedly connected with a screw cap 5, and a butt joint 10 can be formed at the bottom of the screw cap 5 close to both sides;

[0031] A square socket 14 is formed at the bottom end of the screw rod 1, a square plug 11 is mounted in the square socket 14, an installation hole 15 is formed in the square plug 11, a fixing disc 22 is fixedly connected to the top of the inner wall of the installation hole 15, a supporting spring 21 is mounted at the bottom of the fixing disc 22, a movable disc 16 is fixedly connected to the bottom end of the supporting spring 21, a connecting rod 17 is fixedly connected to the bottom end of the movable disc 16, a clamping bolt 20 is mounted on both sides of the connecting rod 17 through the supporting spring 21, a connecting frame 19 is fixedly connected to the bottom end of the connecting rod 17, a pressing rod 18 is fixedly connected to the bottom of the connecting frame 19 close to both ends, an adjusting screw rod 12 is rotatably connected to the bottom end of the square plug 11, an internal thread ring 13 is threadedly connected to the outer surface of the adjusting screw rod 12, and an anti-off frame 4 is fixedly connected to the outer surface of the internal thread ring 13 away from each other;

[0032] The butt joint 10 is square, and in the installation process, the side of the screw cap 5 with the butt joint 10 is away from the cap head 6, the shape of the clamping bolt 20 is shown in the figure Figure 4 The clamping bolt 20 can be compressed by pressing, the position of the internal thread ring 13 can be adjusted by rotating the adjusting screw rod 12, so that the anti-off frame 4 can be clamped into the butt joint 10, the other end of the pressing rod 18 is located below the square plug 11, and the installation hole 15 at the bottom of the square plug 11 is sealed by corresponding structures.

[0033] A plurality of reinforcing strips 9 are mounted on the outer surfaces of the screw cap 5 and the cap head 6, and the inner walls of both sides of the square socket 14 are provided with holes for clamping the clamping bolt 20;

[0034] The reinforcing strips 9 are located at the corner positions of the screw cap 5 and the cap head 6, so as to reduce abrasion.

[0035] The outer surface of the cap head 6 is provided with a protective cover 7, and the outer surface of the protective cover 7 is provided with anti-skid lines 8.

[0036] The protective cover 7 is made of rubber material and can play a protective role.

[0037] Two first anti-loosening rings 2 are mounted on the outer surface of the screw rod 1 near the top, and two second anti-loosening rings 3 are mounted on the outer surface of the screw rod 1 near the bottom.

[0038] The second anti-loosening ring 3 and the first anti-loosening ring 2 can enhance the anti-loosening effect.

[0039] A butt joint strip 23 is mounted between the two first anti-loosening rings 2 and the two second anti-loosening rings 3, and the second anti-loosening ring 3 is located above the screw cap 5.

[0040] The butt joint strips 23 can be clamped with each other, so as to start the anti-loosening effect.

[0041] Two insertion holes 25 are formed in the bottom of the lower first anti-loosening ring 2, and an insertion bolt 24 is mounted in each insertion hole 25.

[0042] The insertion bolt 24 can be inserted into the opening of the mounting structure, so as to increase the anti-loosening effect of the first anti-loosening ring 2.

[0043] The working principle of the fastener with the anti-loosening effect is as follows:

[0044] A square insertion hole 14 is formed in the bottom end of the screw rod 1, and then a square insertion block 11 with two clamping bolts 20 is mounted at the bottom end of the screw rod 1, so as to facilitate the butt joint of the anti-loosening frame 4 and the screw cap 5 on the screw rod 12, and the anti-loosening effect of the screw cap 5 can be increased.

[0045] Compared with the related art, the fastener with the anti-loosening effect has the following beneficial effects:

[0046] In order to improve the anti-loose effect of the bolt fastener, a square socket 14 is formed at the bottom end of the screw rod 1, and then a square plug 11 with two clamps 20 is installed at the bottom end of the screw rod 1, so as to facilitate the butt joint of the anti-loose frame 4 and the nut 5 on the adjusting screw rod 12, and the anti-loose effect of the nut 5 can be increased. In actual use, first, the screw rod 1 with the cap head 6 is installed at the corresponding position, then the nut 5 with the butt joint 10 is connected with the screw rod 1, after completion, only need to insert the square plug 11 into the square socket 14, and fix the square plug 11 through the two clamps 20, then only need to rotate the adjusting screw rod 12 to drive the internal thread ring 13 to approach the screw rod 1, and make the two anti-loose frames 4 on the internal thread ring 13 inserted into the inside of the butt joint 10, so as to complete the installation of the anti-loose structure of the bolt fastener. Through the design, the anti-loose frame 4 is used to limit the nut 5, and the anti-loose effect is achieved, so as to increase the anti-loose effect of the bolt fastener.

[0047] The above is only the embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which is made by using the content of the present application specification and drawings, is also included in the patent protection range of the present application.

Claims

1. A fastener with anti-loosening effect, characterized in that, Include: Screw rod; The cap head is fixedly connected at the top end of the screw rod, the outer surface of the cap head is threadedly connected with a nut, and the bottom of the nut is close to the position of the two sides. The butt joint is opened; The square socket is opened at the bottom end of the screw rod, the square socket is internally mounted with a square plug, the square plug is internally opened with a mounting port, the top of the inner wall of the mounting port is fixedly connected with a fixed disc, the bottom of the fixed disc is mounted with a supporting spring, the bottom end of the supporting spring is fixedly connected with a movable disc, the bottom end of the movable disc is fixedly connected with a connecting rod, and the two sides of the connecting rod are mounted with a clamping bolt through a supporting spring. The bottom end of the connecting rod is fixedly connected with a connecting frame, the bottom of the connecting frame is fixedly connected with a pressing rod close to the both ends, the bottom end of the square plug is rotatably connected with an adjusting screw rod, the outer surface of the adjusting screw rod is threadedly connected with an internal thread ring, and the outer surfaces of the internal thread rings are fixedly connected with anti-off frames on the opposite sides.

2. The fastener with a prevention of detachment effect according to claim 1, wherein The outer surfaces of the nut and the cap head are mounted with a plurality of reinforcing strips, and the two sides of the inner wall of the square socket are opened with a port that allows the clamping bolt to be clamped.

3. The fastener with a prevention of detachment effect according to claim 1, wherein The outer surface of the cap head is provided with a protective cover, and the outer surface of the protective cover is opened with an anti-skid pattern.

4. The fastener with a pull-out preventing effect according to claim 1, wherein The outer surface of the screw rod is mounted with two first anti-loose rings close to the top, and the outer surface of the screw rod is mounted with two second anti-loose rings close to the bottom.

5. The fastener with a pull-out preventing effect according to claim 4, wherein The butt joint is mounted between the two first anti-loose rings and the two second anti-loose rings, and the second anti-loose ring is located above the nut.

6. The fastener with a pull-out preventing effect according to claim 4, wherein Two insertion holes are opened at the bottom of the lower first anti-loose ring, and the insertion holes are internally mounted with insertion bolts.

Images