CN116336067A

CN116336067A - Antitheft bolt assembly

Info

Publication number: CN116336067A
Application number: CN202310248753.3A
Authority: CN
Inventors: 白荣华
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-06-27

Abstract

The invention discloses an anti-theft bolt assembly, which mainly comprises a bolt and a second barrel, wherein the inner and outer sections of the second barrel are circular, two dovetail grooves are symmetrically formed in the inner wall of the second barrel, dovetail blocks are arranged in the dovetail grooves in an adhering and sliding mode, a first compression spring is arranged in the dovetail grooves, a first T-shaped sliding rod is arranged in the second barrel in an adhering and sliding mode, the bottom surface of a cross rod of the second T-shaped sliding rod is fixedly connected with the second compression spring, the bottom end of the second compression spring is fixedly connected with the bolt, a spring is fixedly sleeved on the second barrel, a positioning rod is fixedly connected with the top surface of the barrel, a plurality of key grooves are annularly formed in the inner wall of the barrel, the key grooves are matched with arc blocks, the positioning rod is matched with the second barrel, the wall thickness of the sliding rod is 3mm-5mm, the first barrel and an outer toothed ring are connected in a welding mode, and limiting on the plurality of arc blocks can be indirectly realized through debugging, so that the split between the bolt and the nut is realized, the theft time is prolonged, and the use requirement is met.

Description

Antitheft bolt assembly

Technical Field

The invention relates to the technical field of theft prevention, in particular to a theft prevention bolt assembly.

Background

The bolt plays an important role in daily life, and in industrial production, the bolt takes a very important role, the type of the bolt is simple, the universality is too large, so that the anti-theft performance of the bolt is very small, however, in some occasions, the bolt is a first checkpoint for preventing theft, so the anti-theft performance of the bolt is important; the existing anti-theft bolt has certain defects when in use, the anti-theft bolt is expensive and has small matching performance, the anti-theft performance of the anti-theft bolt is too low for daily maintenance of the anti-theft bolt, the anti-theft bolt is single in functionality and poor in practicability, and the anti-theft bolt is easily broken and split in a short time by lawless persons, so that immeasurable loss is caused, a certain influence is brought to the use process of people, and the use requirement cannot be met.

Disclosure of Invention

In order to solve the problems, the invention provides an anti-theft bolt assembly.

The invention is realized by the following technical scheme:

the utility model provides an anti-theft bolt assembly, mainly includes bolt, nut and staving, the staving external cross-section is regular polygon, the nut laminating cover is on the bolt and rather than assorted, the bolt spiral shell head internal cross-section is hollow structure, the bolt spiral shell head cross-section is circular, a plurality of spouts have been seted up to bolt spiral shell head outer wall annular, the spiral shell head bottom surface is seted up flutedly, be equipped with the rotation axis in the spout, laminating rotatory arc piece that is equipped with in the spout, the rotation axis passes arc piece and rather than swivelling joint, rotation axis both ends all with bolt fixed connection, arc piece top and bottom are laminated with the bolt surface respectively, arc piece cross-section shape is water droplet form, arc piece lateral wall fixedly connected with rack, the rack sets up in the bolt, be equipped with the bearing in the recess, the bearing outer ring and bolt fixed connection, the first barrel of bearing inner ring fixedly connected with, the first barrel top surface fixedly connected with outer tooth ring, the inside is hollow structure of outer tooth ring, rack and outer tooth ring bottom surface fixedly connected with arc piece, the dovetail ring bottom surface fixedly connected with one-way ring, the bearing is equipped with the dovetail, the same direction is followed by rolling groove, the inside diameter of a barrel, the second barrel, the same one-way top surface is equipped with the cylinder, the inside diameter groove is equipped with the second barrel, the cylinder, the one-way top surface is equipped with the compression groove, the cylinder is the cylinder, the same one-way top surface is followed by rolling groove, the cylinder, the top surface is followed by two one-way top surface, and the cylinder top surface is compressed in proper rotation plane, and the cylinder top surface is fixed by the cylinder top and the cylinder top surface, and the top surface is the cylinder, the first T-shaped sliding rod is arranged in the second cylinder in an attached sliding way, the side wall of the dovetail block is fixedly connected with the side wall of the first T-shaped sliding rod, the cross section of the cross rod of the T-shaped sliding rod is circular, two through grooves are symmetrically formed in the side wall of the second cylinder, a sliding rod is arranged on one side of the second cylinder, one end of the sliding rod sequentially penetrates through the two through grooves, the cross sections of the two ends of the sliding rod are cambered surfaces, two extension springs are fixedly connected to the top surface of the sliding rod, the top ends of the extension springs are fixedly connected with the inner top surface of a bolt, a vertical rod of the T-shaped sliding rod is arranged right above the sliding rod, two positioning holes are symmetrically formed in the top surface of the outer tooth ring, the positioning holes are formed right below the sliding rod and are matched with the sliding rod, laminating slip cap has two brake rings on the second barrel, laminating each other between two brake rings, the brake ring top surface and the one-way bearing inner ring fixed connection on top, be equipped with second T shape slide bar in the second barrel, second T shape slide bar horizontal pole both ends all pass logical groove and with the brake ring inner ring fixed connection of bottom, second T shape slide bar montant sets up under first T shape slide bar montant, second T shape slide bar horizontal pole bottom surface fixedly connected with second compression spring, second compression spring bottom and bolt fixed connection, fixed cover has the clockwork spring on the second barrel, the clockwork spring sets up in first barrel, clockwork spring one end and first barrel inner wall fixed connection.

Preferably, the top surface fixedly connected with locating lever in the staving, the staving inner wall annular is opened there is a plurality of keyway, keyway and arc piece assorted, locating lever and second barrel assorted.

Preferably, the wall thickness of the sliding rod is 3mm-5mm.

Preferably, the first cylinder body and the outer toothed ring are connected in a welding mode.

Compared with the prior art, the invention has the beneficial effects that: the device simple structure, the function is various, and the practicality is strong, through setting up rack, bearing, first barrel, outer ring gear, one-way bearing, second barrel, forked tail piece, first T shape slide bar, first compression spring, slide bar, extension spring, brake ring, second T shape slide bar, second compression spring, clockwork spring, staving and locating lever can be through debugging indirect realization spacing to a plurality of arc pieces to realized the split between bolt and the nut, the extension steals time, improve security performance, satisfy the user demand.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a front view of the structure of the present invention;

FIG. 3 is a cross-sectional view of the structure of FIG. 2 of the present invention;

fig. 4 is a block diagram of a structural part 1 according to the invention;

FIG. 5 is a top view of the structure of the present invention;

FIG. 6 is a bottom view of the structure of the present invention;

FIG. 7 is a cross-sectional view A-A of the structure of the present invention;

fig. 8 is an enlarged view of a portion of the structure of the present invention.

In the figure: bolt 1, nut 2, rotation axis 3, arc piece 4, rack 5, bearing 6, first barrel 7, outer ring gear 8, one-way bearing 9, second barrel 10, dovetail piece 11, first T slide bar 12, first compression spring 13, slide bar 14, extension spring 15, brake ring 16, second T slide bar 17, second compression spring 18, clockwork spring 19, barrel 20, locating lever 21, recess 1-1, spout 1-2, locating hole 8-1, dovetail 10-1, through groove 10-2, keyway 20-1.

Detailed Description

The invention is described in further detail below with reference to the attached drawings and detailed description:

as shown in figures 1-8, an anti-theft bolt assembly mainly comprises a bolt 1, a nut 2 and a barrel 20, wherein the outer section of the barrel 20 is in a regular polygon shape, the nut 2 is sleeved on the bolt 1 in a fitting way and matched with the bolt 1, the inner section of a screw head of the bolt 1 is in a hollow structure, the section of the screw head of the bolt 1 is circular, a plurality of sliding grooves 1-2 are annularly formed in the outer wall of the screw head of the bolt 1, a groove 1-1 is formed in the bottom surface of the screw head, a rotating shaft 3 is arranged in the sliding grooves 1-2 in a fitting way, an arc-shaped block 4 is rotatably arranged in the sliding grooves 1-2 in a fitting way, the rotating shaft 3 penetrates through the arc-shaped block 4 and is rotatably connected with the arc-shaped block, both ends of the rotating shaft 3 are fixedly connected with the bolt 1, the top end and the bottom end of the arc-shaped block 4 are respectively attached to the surface of the bolt 1, the section of the arc-shaped block 4 is in a water drop shape, a rack 5 is fixedly connected with the side wall of the arc-shaped block 4, the rack 5 is arranged in the bolt 1, a bearing 6 is arranged in the groove 1-1, an outer ring of the bearing 6 is fixedly connected with the bolt 1, an inner ring of the bearing 6 is fixedly connected with a first cylinder 7, the top surface of the first cylinder 7 is fixedly connected with an outer tooth ring 8, the inner part of the outer tooth ring 8 is of a hollow structure, the rack 5 is meshed with the outer tooth ring 8, the bottom surface of the outer tooth ring 8 is fixedly connected with a one-way bearing 9, the rotation direction of the outer ring of the one-way bearing 9 is the same as the screwing direction of the bolt 1, a second cylinder 10 is arranged on the inner ring of the one-way bearing 9 in a fitting and rotating way, the top end of the second cylinder 10 sequentially penetrates out of the one-way bearing 9 and the bolt 1 and stretches to the outside, the second cylinder 10 is fixedly connected with the bolt 1, the top surface of the second cylinder 10 and the top surface of the bolt 1 are in the same plane, the bottom end of the second cylinder 10 penetrates out of the one-way bearing 9 and is fixedly connected with the top surface of the bolt 1, the inner cross section and the outer cross section of the second cylinder 10 are both circular, two dovetail grooves 10-1 are symmetrically formed in the inner wall of the second cylinder 10, a dovetail block 11 is arranged in the dovetail groove 10-1 in an attached sliding manner, a first compression spring 13 is arranged in the dovetail groove 10-1, a first T-shaped slide bar 12 is arranged in the second cylinder 10 in an attached sliding manner, the side wall of the dovetail block 11 is fixedly connected with the side wall of the first T-shaped slide bar 12, the cross section of the T-shaped slide bar 12 is circular, two through grooves 10-2 are symmetrically formed in the side wall of the second cylinder 10, a slide bar 14 is arranged on one side of the second cylinder 10, one end of the slide bar 14 sequentially penetrates through the two through grooves 10-2, the cross sections at two ends of the slide bar 14 are cambered surfaces, two tension springs 15 are fixedly connected with the top surface of the slide bar 14, the top end of the extension spring 15 is fixedly connected with the inner top surface of the bolt 1, the vertical rod of the T-shaped slide rod 12 is arranged right above the slide rod 14, two positioning holes 8-1 are symmetrically formed in the top surface of the outer tooth ring 8, the positioning holes 8-1 are arranged right below the slide rod 14 and matched with the slide rod, two brake rings 16 are sleeved on the second cylinder 10 in a fitting and sliding manner, the two brake rings 16 are mutually fitted, the top surface of the brake ring 16 at the top end is fixedly connected with the inner ring of the one-way bearing 9, a second T-shaped slide rod 17 is arranged in the second cylinder 10, the two ends of the cross rod of the second T-shaped slide rod 17 penetrate through the through groove 10-2 and are fixedly connected with the inner ring of the brake ring 16 at the bottom end, the vertical rod of the second T-shaped slide rod 17 is arranged right below the vertical rod of the first T-shaped slide rod 12, the bottom surface of the cross rod of the second T-shaped slide rod 17 is fixedly connected with a second compression spring 18, the bottom end of the second compression spring 18 is fixedly connected with the bolt 1, a spring 19 is fixedly sleeved on the second cylinder 10, the spring 19 is arranged in the first cylinder 7, and one end of the spring 19 is fixedly connected with the inner wall of the first cylinder 7.

The inner top surface of the barrel body 20 is fixedly connected with a positioning rod 21, a plurality of key grooves 20-1 are formed in the inner wall of the barrel body 20 in an annular mode, the key grooves 20-1 are matched with the arc-shaped blocks 4, and the positioning rod 21 is matched with the second barrel body 10.

The slide bar 14 has a wall thickness of 3mm-5mm.

The first cylinder 7 and the outer toothed ring 8 are connected in a welding mode.

Working principle: when the equipment needs to be fixed for theft prevention, the device is used for replacing the traditional bolt and nut to be screwed and fixed, firstly, the bolt 1 is moved to pass through the equipment reserved hole, the bolt 1 is placed outside the equipment, then the nut 2 is sleeved on the bolt 1 from one section, then the side wall of the bolt 1 is clamped by pliers, the side wall of the pliers is attached to the side wall of the arc-shaped block 4, then the nut 2 is screwed by a spanner to rotate clockwise, the nut 2 moves rotationally on the bolt 1, the pliers limit the arc-shaped block 4 to prevent the arc-shaped block 4 from rotating, the arc-shaped block 4 cannot rotate to prevent the rotating shaft 3 from rotating, the rotating shaft 3 cannot rotate to prevent the bolt 1 from rotating, thereby realizing the limit of the bolt 1, stopping rotating the nut 2 when the surface of the nut 2 is attached to the surface of the equipment, realizing the fixation of the bolt 1 and the nut 2 to the equipment, when the bolt 1 and the nut 2 are required to be separated, firstly sleeving a barrel body 20 on the top of the bolt 1, aligning a key groove 20-1 with an arc-shaped block 4, driving a positioning rod 21 to move and insert into a second barrel body 10 by the barrel body 20, wherein the length of the positioning rod 21 is specific, the positioning rod 21 pushes a first T-shaped slide rod 12 to move, the first T-shaped slide rod 12 drives a dovetail block 11 to move and squeeze a first compression spring 13 to deform, the vertical rod of the first T-shaped slide rod 12 gradually moves and is attached to the surface of a slide rod 14 and then continuously moves,

the slide bar 14 moves to pull the extension spring 15 to deform, the slide bar 14 gradually moves to be inserted into the positioning hole 8-1, when the inner top surface of the barrel body 20 is attached to the top surface of the bolt 1, the slide bar 14 is just inserted into the positioning hole 8-1 to limit the outer toothed ring 8, so that the outer toothed ring 8 cannot rotate, the arc-shaped block 4 is clamped in the key slot 20-1, then the barrel body 20 is clamped on the barrel body 20 by a spanner and rotates the barrel body 20 clockwise, the barrel body 20 can drive the arc-shaped block 4 to rotate on the rotating shaft 3, the arc-shaped block 4 pushes the rack 5 to rotate, the rack 5 pushes the outer toothed ring 8 to rotate, the outer toothed ring 8 is limited by the slide bar 14 at the moment, the outer toothed ring 8 cannot rotate, the rack 5 cannot rotate, the arc-shaped block 4 cannot rotate around the rotating shaft 3, the barrel 20 at this time can drive the arc block 4 to revolve, the arc block 4 drives the rotation shaft 3 to rotate, the rotation shaft 3 drives the bolt 1 to rotate and gradually separate from the nut 2, when a thief steals, the bolt 1 needs to be screwed clockwise to separate from the nut 2, the thief cannot know the specific length of the positioning rod 21, only can try to push the first T-shaped slide rod 12 to move different depths, the first T-shaped slide rod 12 cannot push the slide rod 14 to be inserted into the positioning hole 8-1 to limit the outer toothed ring 8, the outer toothed ring 8 still can rotate, the bolt 1 is clamped and rotated by the clamping device after the thief finishes debugging, the surface of the bolt 1 is an arc surface, the arc block 4 can be pushed to rotate when the clamping device passes through the arc block 4, the arc block 4 rotates on the rotation shaft 3, the arc-shaped block 4 drives the rack 5 to rotate, the rack 5 drives the outer toothed ring 8 to rotate, the outer toothed ring 8 drives the first barrel 7 to rotate, the first barrel 7 rotates to gradually screw the spring 19, the outer toothed ring 8 drives the one-way bearing 9 to rotate, at the moment, the rotation direction of the outer toothed ring 8 rotates the same as the rotation direction of the outer ring of the one-way bearing 9, the arc-shaped block 4 gradually rotates to the chute 1-2 and cannot limit the clamping device, so that the limit of the bolt 1 cannot be realized, the bolt 1 cannot be screwed to rotate, the arc-shaped block 4 cannot automatically reset, the first T-shaped slide bar 12 needs to be continuously pushed to move, the first T-shaped slide bar 12 drives the slide bar 14 to move and is attached to the top surface of the vertical rod of the second T-shaped slide bar 17, the second T-shaped slide bar 17 is pushed to move and squeeze the second compression spring 18 to deform, the second T-shaped slide bar 17 drives the brake ring 16 at the bottom end to move and the brake ring 16 at the top end to be separated, the brake ring 16 at the bottom is withdrawn to limit the brake ring 16 at the top, so that the brake ring 16 at the top can rotate, at the moment, the spring 19 drives the first cylinder 7 to rotate, the first cylinder 7 drives the outer toothed ring 8 to rotate for resetting, the outer toothed ring 8 indirectly drives the arc block 4 to rotate for resetting, the second cylinder 10 is convenient to work again, the outer toothed ring 8 drives the outer ring of the one-way bearing 9 to rotate, the outer ring of the one-way bearing 9 drives the inner ring of the one-way bearing 9 to rotate, the brake ring 16 at the top is driven by the inner ring of the one-way bearing 9 to rotate, after the outer toothed ring 8 is reset, teeth on the rack 5 are attached to the inner wall of the bolt 1 and can not rotate, at the moment, the positioning hole 8-1 is just reset to rotate to the position right above the slide rod 14, then the limit of the first T-shaped slide rod 12 is withdrawn, at the moment, and the extruded second compression spring 18 pushes the second T-shaped slide rod 17 to move, the second T-shaped slide bar 17 drives the brake ring 16 at the bottom to move and be attached to the brake ring 16 at the top again, the brake ring 16 at the top is limited, the brake ring 16 at the top cannot rotate, the inner ring of the unidirectional bearing 9 cannot rotate, unidirectional rotation of the unidirectional bearing 9 is achieved, the tension spring 15 drives the slide bar 14 to move and slide out of the outer tooth ring 8 to limit, when the top surface of the slide bar 14 is attached to the surface of the second cylinder 10, the first compression spring 13 subjected to extrusion pushes the dovetail block 11 to move, the dovetail block 11 drives the first T-shaped slide bar 12 to move to reset, the first T-shaped slide bar 12 moves to be separated from the slide bar 14, a thief needs to debug and move different depths of the first T-shaped slide bar 12 for many times, the slide bar 14 can be inserted into the positioning hole 8-1 to limit the outer tooth ring 8, the bolt 1 can be separated from the nut 2, the theft time is prolonged, the use requirement is met, the first compression spring 13, the tension spring 15 and the second compression spring 18 are set to play an effective reset role, and the normal work is guaranteed.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an anti-theft bolt subassembly, mainly includes bolt (1), nut (2) and staving (20), staving (20) outer cross-section is regular polygon, nut (2) laminating cover is on bolt (1) and rather than assorted, the interior cross-section of bolt (1) spiral shell head is hollow structure, the cross-section of bolt (1) spiral shell head is circular, a plurality of spouts (1-2) are opened to bolt (1) spiral shell head outer wall annular, open fluted (1-1) in spiral shell head bottom surface, its characterized in that: be equipped with rotation axis (3) in spout (1-2), the laminating rotation is equipped with arc piece (4) in spout (1-2), rotation axis (3) pass arc piece (4) and rather than swivelling joint, rotation axis (3) both ends all with bolt (1) fixed connection, arc piece (4) top and bottom are respectively with bolt (1) surface laminating, arc piece (4) cross-section shape is water droplet form, arc piece (4) lateral wall fixedly connected with rack (5), rack (5) set up in bolt (1), be equipped with bearing (6) in recess (1-1), bearing (6) outer loop and bolt (1) fixed connection, bearing (6) inner loop fixedly connected with first barrel (7), first barrel (7) top surface fixedly connected with outer tooth ring (8), the inside hollow structure that is of outer tooth ring (8), rack (5) and outer tooth ring (8) bottom surface fixedly connected with one-way bearing (9), bearing (9) are equipped with bearing (9), second barrel (10) one-way direction of rotation in proper order, the same barrel (10) is screwed out with bearing (9) in proper order, the barrel (10) The bolt (1) and stretch to outside, second barrel (10) and bolt (1) fixed connection, second barrel (10) top surface and bolt (1) top surface are in the coplanar, second barrel (10) bottom wear out one-way bearing (9) and with bolt (1) screw rod top surface fixed connection, second barrel (10) inside and outside cross-section is circular, second barrel (10) inner wall symmetry open has two dovetail (10-1), the laminating slides in dovetail (10-1) and is equipped with dovetail (11), be equipped with first compression spring (13) in dovetail (10-1), laminating slides in second barrel (10) is equipped with first T slide bar (12), dovetail (11) lateral wall and first T slide bar (12) lateral wall fixed connection, T shape (12) lateral wall cross-section is circular, second barrel (10) lateral wall symmetry open has two logical grooves (10-2), second barrel (10) one side is equipped with slide bar (14), two ends (14) are connected with two top surfaces (14) in proper order, and two top surfaces (14) are connected with each other by the fixed top surface (15) of extension spring (14), the T-shaped sliding rod (12) vertical rod is arranged right above the sliding rod (14), two positioning holes (8-1) are symmetrically formed in the top surface of the outer tooth ring (8), the positioning holes (8-1) are formed right below the sliding rod (14) and are matched with the sliding rod, two braking rings (16) are sleeved on the second barrel (10) in a fitting sliding mode, the two braking rings (16) are mutually fitted, the top surface of the braking ring (16) at the top end is fixedly connected with the inner ring of the one-way bearing (9), a second T-shaped sliding rod (17) is arranged in the second barrel (10), two ends of the cross rod of the second T-shaped sliding rod (17) penetrate through the through groove (10-2) and are fixedly connected with the inner ring of the braking ring (16) at the bottom end, the vertical rod of the second T-shaped sliding rod (17) is arranged right below the first T-shaped sliding rod (12), a second compression spring (18) is fixedly connected with the bottom surface of the second T-shaped sliding rod (17), the bottom end of the second compression spring (18) is fixedly connected with the bolt (1), and the first barrel (19) is fixedly connected with the inner wall (19) of the first barrel (7).

2. An anti-theft bolt assembly according to claim 1, wherein: the novel barrel is characterized in that a locating rod (21) is fixedly connected to the inner top surface of the barrel body (20), a plurality of key grooves (20-1) are formed in the inner wall of the barrel body (20) in an annular mode, the key grooves (20-1) are matched with the arc-shaped blocks (4), and the locating rod (21) is matched with the second barrel body (10).

3. An anti-theft bolt assembly according to claim 1, wherein: the wall thickness of the sliding rod (14) is 3mm-5mm.

4. An anti-theft bolt assembly according to claim 1, wherein: the first cylinder body (7) and the outer tooth ring (8) are connected in a welding mode.