CN218440155U

CN218440155U - Anti-theft self-locking bolt

Info

Publication number: CN218440155U
Application number: CN202222817114.8U
Authority: CN
Inventors: 单兴祥
Original assignee: Baoji Chengjin Titanium Co ltd
Current assignee: Baoji Chengjin Titanium Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-03
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a theftproof self-locking bolt, the female screw comprises a bolt, the surperficial threaded connection of bolt has the nut, the card hole has all been seted up on the both sides wall on bolt surface, the draw-in groove has all been seted up on the both sides wall of nut inner chamber, movable groove has been seted up on the top of bolt, movable groove's inner chamber is provided with the auto-lock subassembly. This theftproof auto-lock bolt, when card hole and draw-in groove are relative, the inner chamber of draw-in groove is got into through the card hole to the one end of wedge, can be located the surface of bolt with the nut, this bolt is in the use, nut after the installation locks, make other people can't screw down the nut from the surface of bolt at will, the purpose of auto-lock has been realized, and then the holistic theftproof performance of bolt has been improved, the possibility that the facility was stolen has been reduced to a certain extent, and then the security of equipment has been improved, and consolidate the auto-lock of nut, just can dismantle through specific unblock step, the security after the bolt installation has further been improved.

Description

Anti-theft self-locking bolt

Technical Field

The utility model relates to a bolt technical field specifically is a theftproof self-locking bolt.

Background

The bolt is a mechanical part, and a cylindrical threaded fastener matched with a nut is divided according to the stress mode of connection: common and reamed for use; according to the shape of the head: the bolt connection is a detachable connection because the hexagon head is the most commonly used, the countersunk head is generally used at the place where the connection is required, and a nut is screwed off a bolt to separate the hexagon head and the countersunk head;

the application field of bolt is very extensive, adopts the bolt to carry out fixed mounting in the outdoor infrastructure at present mostly, but because the nut can directly be followed the bolt and unscrewed, alright dismantle the bolt from the installation easily for the theftproof performance of bolt is relatively poor, and consequently the facility of installation is stolen by other people easily, and the security is lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a theftproof self-locking bolt to adopt the bolt to carry out fixed mounting in solving general outdoor infrastructure that proposes in the above-mentioned background art mostly, but because the nut can directly follow the bolt and unscrew, alright dismantle the bolt from the installation easily, make the relatively poor problem of theftproof performance of bolt.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an theftproof auto-lock bolt, includes the bolt, the surperficial threaded connection of bolt has the nut, the card hole has all been seted up on the both sides wall on bolt surface, the draw-in groove has all been seted up on the both sides wall of nut inner chamber, the activity groove has been seted up on the top of bolt, the inner chamber in activity groove is provided with the auto-lock subassembly, the top of auto-lock subassembly is provided with spacing subassembly, the inner chamber in activity groove is provided with the push rod subassembly of telescopic, the top of bolt is provided with the reinforcement assembly.

Preferably, the auto-lock subassembly includes two wedge blocks of swing joint in the activity inslot inner chamber, the wedge activity runs through in the inner chamber in card hole, the bottom fixedly connected with connecting block of wedge block, two horizontal fixedly connected with spring between the connecting block.

Preferably, the limiting assembly comprises a limiting groove transversely formed in the top of the wedge-shaped block, a limiting block is fixedly connected to the top of the inner cavity of the clamping hole, and the inner cavity of the limiting groove is connected with the limiting block in a sliding mode.

Preferably, the ejector pin subassembly includes swing joint in the round piece at activity groove top, the vertical fixedly connected with connecting rod of center department of the bottom of round piece, the bottom of connecting rod runs through to the inner chamber and the fixedly connected with kicking block of activity groove, the bottom of kicking block sets up to hemispherical, just the bottom of kicking block offsets with the inclined plane of two wedge blocks.

Preferably, the equal fixedly connected with guide block in both sides around the kicking block, set up two guide ways with guide block looks adaptation on the lateral wall of activity inslot cavity, the inner chamber and the guide block sliding connection of guide way.

Preferably, the reinforcing component comprises a magnetic ring fixedly connected to the top of the bolt, the magnetic ring is located at the center of the top of the bolt and below the round block, the round block has certain magnetism and is magnetically connected with the magnetic ring, a prying hole is formed in one side of the magnetic ring, and the top of the prying hole penetrates through the top of the magnetic ring.

Preferably, marking grooves are formed in one side of the surfaces of the bolt and the nut, and the two marking grooves are located on the same longitudinal straight line.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the clamping hole is opposite to the clamping groove, one end of the wedge-shaped block enters the inner cavity of the clamping groove through the clamping hole, so that the nut can be positioned on the surface of the bolt, and the bolt locks the installed nut in the use process, so that the nut cannot be unscrewed from the surface of the bolt at will by other people, the self-locking purpose is realized, the integral anti-theft performance of the bolt is further improved, the possibility of facility theft is reduced to a certain extent, and the safety of equipment is further improved;

2. be connected through magnetic ring and circle piece magnetism, certain suction has between the two, play reinforced (rfd) effect to the circle piece, and then consolidate the auto-lock of nut, overall structure's stability has been improved, the professional inserts specific instrument in the inner chamber of sled hole, separate magnetic ring and circle piece, can realize the unblock to the nut, alright dismantlement between bolt and the nut, just can dismantle through specific unblock step, other people have prevented effectively that other people from dismantling at will, the security after the bolt installation has further been improved.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the utility model after installation;

FIG. 2 is a schematic view of the three-dimensional structure of the utility model before installation;

FIG. 3 is a schematic view of the split three-dimensional structure of the present invention;

fig. 4 is a schematic view of the sectional three-dimensional structure of the bolt of the present invention.

In the figure: 1. a bolt; 2. a nut; 3. a clamping hole; 4. a card slot; 5. a self-locking assembly; 51. a wedge block; 52. connecting blocks; 53. a spring; 6. a limiting component; 61. a limiting groove; 62. a limiting block; 7. a push rod assembly; 71. a round block; 72. a connecting rod; 73. a top block; 74. a guide block; 75. a guide groove; 8. a reinforcement assembly; 81. a magnetic ring; 82. warping the hole; 9. marking a groove; 10. a movable groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: an anti-theft self-locking bolt comprises a bolt 1, wherein a nut 2 is connected to the surface of the bolt 1 in a threaded manner, clamping holes 3 are formed in two side walls of the surface of the bolt 1, clamping grooves 4 are formed in two side walls of an inner cavity of the nut 2, a movable groove 10 is formed in the top end of the bolt 1, a self-locking assembly 5 is arranged in the inner cavity of the movable groove 10, a limiting assembly 6 is arranged at the top of the self-locking assembly 5, an ejector rod assembly 7 capable of being drawn is arranged in the inner cavity of the movable groove 10, a reinforcing assembly 8 is arranged at the top of the bolt 1, the self-locking assembly 5 comprises two wedge blocks 51 movably connected to the inner cavity of the movable groove 10, the wedge blocks 51 movably penetrate through the inner cavity of the clamping holes 3, the size of the inner cavity of the clamping holes 3 is matched with the size of the wedge blocks 51, the wedge blocks 51 can slide transversely in the inner cavity of the clamping holes 3, connecting blocks 52 are fixedly connected to the bottoms of the wedge blocks 51, a spring 53 is transversely and fixedly connected between the two connecting blocks 52, the spring 53 has certain elasticity, under the normal state of the spring 53, the opposite ends of the two wedge blocks 51 are both positioned in the inner cavity of the clamping hole 3, the limiting assembly 6 comprises a limiting groove 61 transversely arranged at the top of the wedge block 51, the top of the inner cavity of the clamping hole 3 is fixedly connected with a limiting block 62, the inner cavity of the limiting groove 61 is in sliding connection with the limiting block 62, when the wedge block 51 transversely slides in the inner cavity of the clamping hole 3, the limiting block 62 slides in the inner cavity of the limiting groove 61, so that the limiting effect on the wedge block 51 is achieved, the stability of the wedge block 51 during transverse movement is improved, the ejector rod assembly 7 comprises a round block 71 movably connected to the top of the movable groove 10, a connecting rod 72 is vertically and fixedly connected to the center of the bottom end of the round block 71, the bottom end of the connecting rod 72 penetrates through the inner cavity of the movable groove 10 and is fixedly connected with an ejector block 73, the bottom of the ejector block 73 is hemispherical, the bottom of the top block 73 is abutted against the inclined surfaces of the two wedge-shaped blocks 51, the bottom of the top block 73 is a spherical surface, when the bottom of the top block 73 is in contact with the inclined surfaces of the wedge-shaped blocks 51, the wedge-shaped blocks 51 are transversely driven, vertical movement force is converted into transverse movement force, guide blocks 74 are fixedly connected to the front side and the rear side of the top block 73, two guide grooves 75 matched with the guide blocks 74 are formed in the side wall of the inner cavity of the movable groove 10, the inner cavity of each guide groove 75 is slidably connected with the corresponding guide block 74, the outer annular surface of the top block 73 is attached to the inner wall surface of the movable groove 10, when the top block 73 moves up and down in the inner cavity of the movable groove 10, the top block 73 drives the corresponding guide blocks 74 to move up and down in the inner cavity of the guide grooves 75 synchronously, the top block 73 is guided, the movement stability of the top block 73 is improved, the marking grooves 9 are formed in one side of the surfaces of the bolt 1 and the nut 2, the two marking grooves 9 are located in the same straight line in the longitudinal direction, and the marking grooves 9 prompt whether the clamping holes 3 and the clamping grooves 4 are determined by a user.

Referring to fig. 1, 2 and 3, the reinforcing assembly 8 includes a magnetic ring 81 fixedly connected to the top of the bolt 1, the magnetic ring 81 is located at the center of the top of the bolt 1 and below the circular block 71, the circular block 71 has a certain magnetism and is magnetically connected to the magnetic ring 81, because the magnetic ring 81 is magnetically connected to the circular block 71, a certain attraction force is provided between the magnetic ring 81 and the circular block 71, the circular block 71 is reinforced, a prying hole 82 is formed at one side of the magnetic ring 81, the top of the prying hole 82 penetrates through to the top of the magnetic ring 81, and the prying hole 82 is flat, so that when a tool is used for prying, only a tool smaller than the size of the inner cavity of the prying hole 82 can be used, and compared with a common tool, the specificity is improved, so that other people can be prevented from being randomly detached by using the common tool, and the anti-theft performance is improved.

The working principle is as follows: when the nut 2 is installed, the nut 2 is screwed on the surface of the bolt 1 until the nut 2 is rotated to the position above the surface of the bolt 1, and the two marking grooves 9 are located at the same longitudinal straight line position, the clamping hole 3 and the clamping groove 4 are in the opposite state, the user pushes the round block 71 to be magnetically connected with the magnetic ring 81, the round block 71 drives the connecting rod 72 and the top block 73 to move synchronously in the pushing process, the top block 73 pushes the two wedge blocks 51 to move back and forth in the moving process, the spring 53 is in the stretching state at the moment, the nut 2 can be automatically locked on the surface of the bolt 1 until one end of the wedge block 51 moves into the inner cavity of the clamping groove 4, when a professional unlocks, the magnetic ring 81 is separated from the round block 71 through the prying hole 82 by using a special tool, the spring 53 is restored to the original state, the round block 71, the connecting rod 72 and the top block 73 are driven to push upwards, the two wedge blocks 51 move towards each other to reset, meanwhile, one end of the wedge block 51 is separated from the inner cavity of the clamping groove 4, the nut 2 is unlocked, and finally the nut 2 can be completely unscrewed from the surface of the bolt 1, and the whole device is a working process which is described in the technical description of the present technical book.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an anti-theft self-locking bolt, includes bolt (1), its characterized in that: the surperficial threaded connection of bolt (1) has nut (2), card hole (3) have all been seted up on the both sides wall on bolt (1) surface, draw-in groove (4) have all been seted up on the both sides wall of nut (2) inner chamber, movable groove (10) have been seted up on the top of bolt (1), the inner chamber in activity groove (10) is provided with auto-lock subassembly (5), the top of auto-lock subassembly (5) is provided with spacing subassembly (6), the inner chamber in activity groove (10) is provided with telescopic ejector pin subassembly (7), the top of bolt (1) is provided with consolidates subassembly (8).

2. An anti-theft self-locking bolt according to claim 1, characterized in that: the self-locking assembly (5) comprises two wedge blocks (51) movably connected to the inner cavity of the movable groove (10), the wedge blocks (51) movably penetrate through the inner cavity of the clamping hole (3), and connecting blocks (52) are fixedly connected to the bottoms of the wedge blocks (51) and springs (53) are fixedly connected between the connecting blocks (52) in the transverse direction.

3. An anti-theft self-locking bolt according to claim 2, wherein: spacing subassembly (6) are including transversely seting up spacing groove (61) at wedge (51) top, the top fixedly connected with stopper (62) of card hole (3) inner chamber, the inner chamber and the stopper (62) sliding connection of spacing groove (61).

4. An anti-theft self-locking bolt according to claim 2, characterized in that: ejector pin subassembly (7) include round block (71) at swing joint top in activity groove (10), the vertical fixedly connected with connecting rod (72) of center department of the bottom of round block (71), the bottom of connecting rod (72) is run through to the inner chamber and the fixedly connected with kicking block (73) of activity groove (10), the bottom of kicking block (73) sets up to hemispherical, just the bottom of kicking block (73) offsets with the inclined plane of two wedge blocks (51).

5. An anti-theft self-locking bolt according to claim 4, wherein: the equal fixedly connected with guide block (74) in both sides around kicking block (73), set up two guide way (75) with guide block (74) looks adaptation on the lateral wall of activity groove (10) inner chamber, the inner chamber and the guide block (74) sliding connection of guide way (75).

6. An anti-theft self-locking bolt according to claim 4, wherein: the reinforcing component (8) comprises a magnetic ring (81) fixedly connected to the top of the bolt (1), the magnetic ring (81) is located at the center of the top of the bolt (1) and located below the round block (71), the round block (71) has certain magnetism and is magnetically connected with the magnetic ring (81), a prying hole (82) is formed in one side of the magnetic ring (81), and the top of the prying hole (82) penetrates through the top of the magnetic ring (81).

7. An anti-theft self-locking bolt according to claim 1, characterized in that: one side of the surfaces of the bolt (1) and the nut (2) is provided with marking grooves (9), and the two marking grooves (9) are located on the same straight line in the longitudinal direction.