High-strength anti-theft bolt fastener

Abstract

The utility model provides a high-strength anti-theft bolt fastener. The high-strength anti-theft bolt fastener comprises a screw rod and a bolt, the nut assembly is fixedly connected to the top end of the screw rod, the outer surface of the screw rod is in threaded connection with an internal thread nut, the positions, located at the top end and the bottom end, of the outer surface of the internal thread nut are fixedly connected with first limiting rings, and the outer surface of the internal thread nut is rotationally connected with a first rotating ring; a polygonal outer nut is fixedly connected to the outer surface of the first rotating ring, a plurality of first inserting openings are formed in the outer surface of the polygonal outer nut, and a plurality of clamping openings are formed in the outer surface of the polygonal outer nut. According to the high-strength anti-theft bolt fastener, through the design, the anti-theft effect of the high-strength anti-theft bolt fastener is improved, meanwhile, the high-strength anti-theft bolt fastener can be reused after being detached and simply maintained in the later period, and the use cost of the high-strength anti-theft bolt fastener can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to high strength theftproof bolt fastener technical field especially relates to high strength theftproof bolt fastener. BACKGROUND

[0002] Bolt: mechanical parts, with nut cylindrical threaded fastener, by head and screw two parts constitute a kind of fastener, need to cooperate with nut, used for fastening connection two parts with through hole.

[0003] High strength theftproof fastener is a kind of mechanical parts with theftproof and fastening connection and is widely used, theftproof fastener has the performance of fixed theftproof, mainly used for the iron tower, metal frame, high pipe guardrail etc. set up in the field.

[0004] And the existing high strength theftproof bolt fastener cost is higher, once locked, tight, must be destructive dismantling in use, cause theftproof fastener to be unable to be used twice, increase the use cost of theftproof bolt fastener.

[0005] Therefore, it is necessary to provide high strength theftproof bolt fastener to solve the above technical problems. CONTENT OF UTILITY MODEL

[0006] The utility model provides high strength theftproof bolt fastener, solve the problem that theftproof bolt fastener cannot be used twice and increase use cost because theftproof fastener cannot be easily removed after locking.

[0007] To solve the above technical problems, the high strength theftproof bolt fastener provided by the utility model comprises a screw rod;

[0008] A screw cap assembly is fixedly connected to the top end of the screw rod, the outer surface of the screw rod is threadedly connected with an internally threaded nut, the outer surface of the internally threaded nut is fixedly connected with a first limiting ring at the positions of the top end and the bottom end, the outer surface of the internally threaded nut is rotatably connected with a first rotating ring, the outer surface of the first rotating ring is fixedly connected with a polygonal outer nut, the outer surface of the polygonal outer nut is provided with a plurality of first insertion openings, and the outer surface of the polygonal outer nut is provided with a plurality of clamping openings.

[0009] A plurality of first theftproof insertion holes are formed in the outer surface of the internally threaded nut, each of the first theftproof insertion holes is provided with a special plug, the outer surface of the special plug is fixedly connected with a clamping block at one end, and the bottom end of the clamping block is fixedly connected with a hanging ring.

[0010] The position of the first socket corresponds to the position of the socket, and the shape of the first socket and the shape of the first anti-theft socket can be the same or different, as long as the special plug can be inserted, and after the special plug is inserted, the polygon outer nut can be rotated synchronously by rotating the polygon outer nut, the shape of the first anti-theft socket and the special plug is corresponding, which can be polygon or triangle, and the specific shape is determined according to the situation, the special plug is inserted into the first anti-theft socket, and the clamping block is clamped into the socket, so that the flatness of the outer surface of the polygon outer nut can be ensured.

[0011] Preferably, the top of the inner threaded nut is provided with a second gasket, the bottom of the nut assembly is provided with a first gasket, the bottom of the first gasket is provided with a lock washer, the outer surfaces of the lock washer and the first gasket are provided with limiting openings, the interiors of the limiting openings are provided with limiting blocks, and the top of the lock washer is provided with a plurality of mounting holes.

[0012] The second gasket and the first gasket are both sleeved on the outer surface of the screw rod, the mounting holes facilitate the bolt to pass through and fix the lock washer in the corresponding position, and the stability of the first gasket can be improved after the limiting blocks are clamped into the interiors of the limiting openings.

[0013] Preferably, the top of the nut assembly is fixedly connected with a fixing disc, the top of the fixing disc is provided with a fixing opening, and the fixing opening is provided with a label plate.

[0014] Preferably, the nut assembly comprises an inner nut, and the outer surface of the inner nut is fixedly connected with a second limiting ring at the positions of the bottom and the top, and the outer surface of the inner nut is provided with a plurality of second anti-theft sockets.

[0015] Preferably, the outer surface of the inner nut is rotatably connected with a second rotating ring, the outer surface of the second rotating ring is fixedly connected with a polygon outer nut, and the outer surface of the polygon outer nut is provided with a plurality of second sockets.

[0016] The second socket has the same effect as the first socket, and the second rotating ring is located between the two second rotating rings.

[0017] Preferably, the outer surface of the polygon outer nut is provided with a protective cover through a butt joint, and the outer surface of the protective cover is provided with anti-skid lines.

[0018] The protective cover can cover the nut after the nut is installed, so as to play a protective role and reduce the corrosion of the environment on the nut.

[0019] Compared with the related art, the high-strength anti-theft bolt fastener has the following beneficial effects:

[0020] The utility model provides high strength theftproof bolt fastener, in order to let high strength theftproof bolt fastener can secondary use, divide the nut into internal thread nut and polygonal outer nut, and the first rotation ring of polygonal outer nut inner surface is located between the two first limit ring of internal thread nut outer surface, can let polygonal outer nut rotate in the outer surface of internal thread nut, and a plurality of first theftproof jack hole are seted up in the outer surface of internal thread nut, and the outer surface of polygonal outer nut sets up a plurality of first spigot that can let special plug insert, and the same theftproof cap assembly is installed at the screw rod top, needs to rely on special plug in the cap and nut fastening process, increased theftproof effect, through the design increases high strength theftproof bolt fastener theftproof effect, can secondary use after simple maintenance in the later period, advantageous to reduce the use cost of high strength theftproof bolt fastener. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 The structure schematic diagram of a preferred embodiment of high strength theftproof bolt fastener provided by the utility model is shown in the figure.

[0022] Figure 2 The structure schematic diagram of the interface provided by the utility model is shown in the figure.

[0023] Figure 3 The structure schematic diagram of the interface provided by the utility model is shown in the figure. Figure 2 The enlarged view of A shown in the figure.

[0024] Figure 4 The enlarged view of B shown in the figure. Figure 2 The enlarged view of C shown in the figure.

[0025] Figure 5 The enlarged view of C shown in the figure. Figure 2 The enlarged view of C shown in the figure.

[0026] Marked number in the figure: 1, screw rod, 2, cap assembly, 201, inner cap, 202, second theftproof jack hole, 203, second limit ring, 204, polygonal outer cap, 205, second spigot, 206, second rotation ring, 3, fixed disc, 4, first gasket, 5, lock washer, 6, non-slip pattern, 7, protective cover, 8, interface, 9, special plug, 10, polygonal outer nut, 11, second gasket, 12, clamping block, 13, hanging ring, 14, bayonet, 15, first spigot, 16, first rotation ring, 17, first limit ring, 18, internal thread nut, 19, first theftproof jack hole, 20, fixed mouth, 21, label plate, 22, limit mouth, 23, limit block, 24, mounting hole. DETAILED DESCRIPTION

[0027] The utility model will be further explained in connection with the drawings and implementation.

[0028] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 wherein, Figure 1 is a preferred embodiment of the high-strength anti-theft bolt fastener provided by the utility model structure diagram; Figure 2 is a structure diagram of the utility model provided with a socket; Figure 3 is an enlarged view of position A shown in Figure 2 ; Figure 4 is an enlarged view of position B shown in Figure 2 ; Figure 5 is an enlarged view of position C shown in Figure 2 . The high-strength anti-theft bolt fastener comprises a screw rod 1;

[0029] A screw cap assembly 2 is fixedly connected to the top end of the screw rod 1, the outer surface of the screw rod 1 is threadedly connected with an internally threaded nut 18, the outer surface of the internally threaded nut 18 is fixedly connected with a first limiting ring 17 at the positions of the top end and the bottom end, the outer surface of the internally threaded nut 18 is rotatably connected with a first rotating ring 16, the outer surface of the first rotating ring 16 is fixedly connected with a polygonal outer nut 10, the outer surface of the polygonal outer nut 10 is provided with a plurality of first sockets 15, and the outer surface of the polygonal outer nut 10 is provided with a plurality of clamping holes 14;

[0030] A plurality of first anti-theft sockets 19 are formed in the outer surface of the internally threaded nut 18, and each of the first anti-theft sockets 19 is provided with a special plug 9 inside, the outer surface of the special plug 9 is fixedly connected with a clamping block 12 at one end, and the bottom end of the clamping block 12 is fixedly connected with a hanging ring 13;

[0031] The positions of the clamping holes 14 and the first sockets 15 correspond to each other, the shapes of the first sockets 15 and the first anti-theft sockets 19 can be the same or different, as long as the special plug 9 can be inserted, after the special plug 9 is inserted, the polygonal outer nut 10 can be rotated synchronously by rotating the polygonal outer nut 10, the shapes of the first anti-theft sockets 19 and the special plug 9 correspond to each other, and can be polygonal or triangular, which is determined according to the specific circumstances, the special plug 9 is inserted into the interior of the first anti-theft socket 19, the clamping block 12 is clamped into the interior of the clamping hole 14, so that the flatness of the outer surface of the polygonal outer nut 10 can be ensured, and the hanging ring 13 facilitates carrying the special plug 9, and the special plug 9 needs to be removed after the high-strength anti-theft bolt fastener is installed.

[0032] A second gasket 11 is provided on the top of the internally threaded nut 18, a first gasket 4 is provided on the bottom of the nut assembly 2, a locking ring 5 is provided on the bottom of the first gasket 4, and a limiting opening 22 is provided on the outer surfaces of the locking ring 5 and the first gasket 4, and a limiting block 23 is provided inside the limiting opening 22. A plurality of mounting holes 24 are provided on the top of the locking ring 5;

[0033] The second gasket 11 and the first gasket 4 are both sleeved on the outer surface of the screw 1. The mounting hole 24 is convenient for the bolt to pass through to fix the anti-loosening ring 5 in the corresponding position. After the limit block 23 is inserted into the inside of the limit opening 22, the stability of the first gasket 4 can be increased, thereby increasing the anti-loosening effect of the high-strength anti-theft bolt fastener. If the anti-loosening ring 5 is not needed, it can be omitted.

[0034] The top of the nut assembly 2 is fixedly connected to a fixing plate 3, and a fixing opening 20 is opened on the top of the fixing plate 3, and a label plate 21 is installed inside the fixing opening 20;

[0035] The label plate 21 can record the time when the high-strength anti-theft bolt fastener begins to be used.

[0036] The nut assembly 2 includes an inner nut 201, and the outer surface of the inner nut 201 is fixedly connected to a second limiting ring 203 at the bottom and top positions. The outer surface of the inner nut 201 is provided with a plurality of second anti-theft holes 202;

[0037] The second anti-theft jack 202 has the same shape as the first anti-theft jack 19 .

[0038] The outer surface of the inner nut 201 is rotatably connected to a second rotating ring 206, and the outer surface of the second rotating ring 206 is fixedly connected to a polygonal outer nut 204. The outer surface of the polygonal outer nut 204 is provided with a plurality of second sockets 205.

[0039] The function of the second socket 205 is the same as that of the first socket 15 , the second rotating ring 206 is located between the two second rotating rings 206 , and the working mode of the nut assembly 2 is the same as that of the nut composed of the outer surface structure of the internal threaded nut 18 .

[0040] The outer surface of the polygonal outer nut 10 is mounted with a protective cover 7 through a docking port 8, and the outer surface of the protective cover 7 is provided with anti-slip grooves 6;

[0041] After the nut is installed, the protective cover 7 can cover the nut to play a protective role and reduce the erosion of the environment on the nut. A protective cover 7 can also be installed on the outer surface of the nut assembly 2.

[0042] The working principle of the high-strength anti-theft bolt fastener provided by the utility model is as follows:

[0043] The nut is divided into an internally threaded nut 18 and a polygonal external nut 10, and the first rotating ring 16 on the inner surface of the polygonal external nut 10 is located between the two first limiting rings 17 on the outer surface of the internally threaded nut 18, so that the polygonal external nut 10 can be rotated on the outer surface of the internally threaded nut 18, and a plurality of first anti-theft holes 19 are provided on the outer surface of the internally threaded nut 18. At the same time, a plurality of first sockets 15 for inserting special plugs 9 are provided on the outer surface of the polygonal external nut 10, and a nut assembly 2 that is also anti-theft is installed on the top of the screw 1. During the tightening process of the nut and the nut, the special plug 9 is required to increase the anti-theft effect. In actual use, the screw 1 is first inserted into the hole at the position where the connection is required, and then the plurality of special plugs 9 are respectively inserted from the first socket 15 into the first anti-theft holes 19 on the outer surface of the internally threaded nut 18. The special plug 9 is inserted into the theft hole 19, and ensure that one end of the special plug 9 is flush with the outer surface of the polygonal outer nut 10, and the special plug 9 is installed on the nut assembly 2 in the same way, and the nut can be tightened with the help of a wrench. In this process, the special plug 9 clamps the polygonal outer nut 10 and the internally threaded nut 18, so that the internally threaded nut 18 can be driven to rotate while driving the polygonal outer nut 10 to rotate, which can achieve the effect of tightening and loosening. After the installation is completed, you only need to remove the special plug 9 to separate the internally threaded nut 18 and the polygonal outer nut 10, and then rotate the polygonal outer nut 10 without driving the internally threaded nut 18 to rotate, thereby increasing the anti-theft effect. When disassembly is needed, you only need to use the special plug 9 to clamp the internally threaded nut 18 and the polygonal outer nut 10 to remove the nut.

[0044] Compared with the related art, the high-strength anti-theft bolt fastener provided by the utility model has the following beneficial effects:

[0045] In order to allow the high-strength anti-theft bolt fastener to be reused, the nut is divided into an internally threaded nut 18 and a polygonal outer nut 10, and the first rotating ring 16 on the inner surface of the polygonal outer nut 10 is located between the two first limiting rings 17 on the outer surface of the internally threaded nut 18, so that the polygonal outer nut 10 can be rotated on the outer surface of the internally threaded nut 18, and a plurality of first anti-theft holes 19 are provided on the outer surface of the internally threaded nut 18. At the same time, a plurality of first sockets 15 for inserting special plugs 9 are provided on the outer surface of the polygonal outer nut 10, and a nut assembly 2 that is also anti-theft is installed on the top of the screw 1. During the tightening process of the nut and the nut, the special plug 9 is required to increase the anti-theft effect. Through this design, the anti-theft effect of the high-strength anti-theft bolt fastener is increased. At the same time, it can be disassembled and reused after simple maintenance in the later stage, which is conducive to reducing the use cost of high-strength anti-theft bolt fasteners.

[0046] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. High-strength anti-theft bolt fastener, characterized in that: include: screw; A nut assembly, wherein the nut assembly is fixedly connected to the top end of the screw, the outer surface of the screw is threadedly connected to an internally threaded nut, the outer surface of the internally threaded nut is fixedly connected to a first limiting ring at the top and bottom ends, the outer surface of the internally threaded nut is rotatably connected to a first rotating ring, the outer surface of the first rotating ring is fixedly connected to a polygonal outer nut, the outer surface of the polygonal outer nut is provided with a plurality of first sockets, and the outer surface of the polygonal outer nut is provided with a plurality of bayonet sockets; Multiple first anti-theft sockets are provided on the outer surface of the internally threaded nut, and a special plug is provided inside the first anti-theft socket. The outer surface of the special plug is fixedly connected to a block at one end, and the bottom end of the block is fixedly connected to a hanging ring.

2. The high-strength anti-theft bolt fastener according to claim 1, characterized in that: A second gasket is provided at the top of the internally threaded nut, a first gasket is provided at the bottom of the nut assembly, an anti-loosening ring is provided at the bottom of the first gasket, and limiting openings are provided on the outer surfaces of the anti-loosening ring and the first gasket, and limiting blocks are provided inside the limiting openings, and a plurality of mounting holes are provided on the top of the anti-loosening ring.

3. The high-strength anti-theft bolt fastener according to claim 1, characterized in that: The top of the nut assembly is fixedly connected with a fixing plate, the top of the fixing plate is provided with a fixing opening, and a label plate is installed inside the fixing opening.

4. The high-strength anti-theft bolt fastener according to claim 1, characterized in that: The nut assembly comprises an inner nut, the outer surface of the inner nut is fixedly connected to a second limiting ring at the bottom and the top, and the outer surface of the inner nut is provided with a plurality of second anti-theft holes (202).

5. The high-strength anti-theft bolt fastener according to claim 4, characterized in that: The outer surface of the inner nut is rotatably connected to a second rotating ring, the outer surface of the second rotating ring is fixedly connected to a polygonal outer nut, and the outer surface of the polygonal outer nut is provided with a plurality of second sockets.

6. The high-strength anti-theft bolt fastener according to claim 1, characterized in that: A protective cover is installed on the outer surface of the polygonal outer nut through a docking interface, and anti-slip grooves are provided on the outer surface of the protective cover.

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