CN218564136U

CN218564136U - High-safety anti-theft screw

Info

Publication number: CN218564136U
Application number: CN202123389573.2U
Authority: CN
Inventors: 吴飞龙
Original assignee: Nanjing Rising Loong Fasteners Co ltd
Current assignee: Nanjing Rising Loong Fasteners Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2023-03-03
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a high security theftproof screw relates to screw technical field, does not possess the theftproof function usually for some screws of solving, when connecting article with this kind of screw, and the security is not high, is demolishd by the thief very easily, implements the problem of stealing to article. The mounting groove has been seted up in the middle of the screw head, screw leg upper end and spread groove sliding connection, the screw leg both sides are provided with the ball, and ball and screw leg roll connection, the mounting groove has been seted up to the screw leg lower extreme, mounting groove internally mounted has miniature alarm, miniature alarm top electric connection has the switch, and switch one side is fixed with the connection rope, the connection rope runs through the mounting groove, connect the rope other end and screw head fixed connection, first spacing groove has been seted up to the screw leg upper end, special-shaped anti-theft slot has all been seted up to adjacent position in the middle of first spacing groove and the screw head.

Description

High-safety anti-theft screw

Technical Field

The utility model relates to a screw technical field specifically is a high security theftproof screw.

Background

The screw is a tool for fastening the parts of the object step by utilizing the physics and mathematical principles of the inclined circular rotation and the friction of the object, the screw is a general expression of the fastener, and the screw is an indispensable industrial necessity in daily life and has the following words: extremely small screws used for cameras, glasses, clocks, electronics, and the like; general screws for televisions, electric appliances, musical instruments, furniture, and the like; large screws and nuts are used for engineering, buildings and bridges; transportation equipment, airplanes, electric trains, automobiles and the like are used by using large and small screws, the screws have important tasks in industry, and the functions of the screws are always important as long as the industry exists on the earth.

The existing screw does not have an anti-theft function generally, when the screw is used for connecting an article, the safety is not high, the screw is easy to be detached by a thief, and the article is stolen, so that the market urgently needs to develop a high-safety anti-theft screw to help people to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high security theftproof screw to solve some screws that propose among the above-mentioned background art and do not possess the theftproof function usually, when connecting article with this kind of screw, the security is not high, is demolishd by the thief very easily, implements the problem of stealing to article.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a high security antitheft screw, includes screw head and screw leg, the spread groove has been seted up in the middle of the screw head, screw leg upper end and spread groove sliding connection, the screw leg both sides are provided with the ball, and ball and screw leg roll connection, the mounting groove has been seted up to screw leg lower extreme, mounting groove internally mounted has miniature alarm, miniature alarm top electric connection has the switch, and switch one side is fixed with the connection rope, the connection rope runs through the mounting groove, connect the rope other end and screw head fixed connection, first spacing groove has been seted up to screw leg upper end, special-shaped antitheft groove has all been seted up to adjacent position in the middle of first spacing groove and the screw head.

Preferably, first spacing inslot wall both ends are provided with the spring telescopic link, and spring telescopic link and first spacing groove fixed connection, the spring telescopic link other end is provided with the carriage release lever, and carriage release lever and spring telescopic link fixed connection, carriage release lever one end upside is provided with the extrusion head, and extrusion head and carriage release lever fixed connection.

Preferably, the screw head has seted up the spring groove along first spacing groove upper end both sides, spring inslot wall is provided with expanding spring, and expanding spring upper end and spring groove fixed connection, the expanding spring other end is provided with the gag lever post, and gag lever post and expanding spring fixed connection, the gag lever post runs through expanding spring.

Preferably, a second limiting groove is formed in the upper portion of the spring groove along the screw head, and the second limiting groove is matched with the limiting rod.

Preferably, a swing rod is arranged on the upper side of the other end of the movable rod, the swing rod is rotatably connected with the movable rod through a rotary seat, and the swing rods on the two sides are rotatably connected through rotary rods.

Preferably, hexagonal groove has been seted up to screw head upper end, the upper end dysmorphism theftproof inslot wall is provided with the baffle No. one, and baffle and dysmorphism theftproof groove sliding connection No. one, mounting groove inner wall lower extreme is provided with the baffle No. two, and No. two baffles and mounting groove sliding connection.

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

1. the utility model discloses an in, through setting up the screw head, the spread groove, screw leg isotructure, dismantle according to ordinary screw, carry out card and back through hexagonal screwdriver and hexagonal groove promptly, then the hexagonal rotates the screwdriver and rotates the dismantlement to the screw head, this moment, because the gag lever post not with the mutual card of second gag lever post with, then the screw head will be in sliding connection's state with the screw leg, it will stimulate the connection rope winding on the screw leg to rotate the screw head, after four or five rings of connection rope winding, the switch that will stimulate on the miniature alarm is opened, the miniature alarm will transmit signal to the receiver, remind the staff this equipment unusual dismantlement, because the screw head under this state is in sliding connection's state with the screw leg, consequently do not influence the connection effect of screw leg, the structural strength and the function of this equipment have been guaranteed are complete.

2. The utility model discloses an in, through setting up a baffle and No. two baffles, can effectively shelter from dysmorphism theftproof groove and mounting groove, guarantee that this equipment does not have the difference with ordinary screw in appearance, improve the theftproof effect, no. one baffle and dysmorphism theftproof groove sliding connection simultaneously, when the staff carries out the dismouting to this equipment, can also make things convenient for the extrusion of specific instrument to the pendulum rod.

3. The utility model discloses an in, through setting up the pendulum rod, special-shaped anti-theft slot, the carriage release lever, the spring telescopic link, the extrusion head, expanding spring, gag lever post and second spacing groove isotructure, the staff need use specific instrument to go on, specific instrument can stretch into special-shaped anti-theft slot when mutually blocking with the hexagonal groove and extrude the pendulum rod, the pendulum rod receives can promote the carriage release lever removal after the extrusion, through a series of transmissions, make the card of gag lever post and second spacing groove with, thereby make the relation of connection between screw head and the screw leg by sliding connection, become the card and be connected, the staff can carry out the dismouting operation to this equipment to specific screwdriver of pairing rotation after that, the normal use of this equipment has been guaranteed.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic view of the screw head structure of the present invention;

FIG. 3 is a schematic structural view of the present invention;

fig. 4 is an enlarged view of the structure a of the present invention.

In the figure: 1. a screw head; 2. connecting grooves; 3. a screw leg; 4. a ball bearing; 5. a first limit groove; 6. a spring telescopic rod; 7. a travel bar; 8. a spring slot; 9. a tension spring; 10. a limiting rod; 11. An extrusion head; 12. a second limit groove; 13. a swing rod; 14. a special-shaped anti-theft slot; 15. a hexagonal groove; 16. A first baffle plate; 17. mounting grooves; 18. connecting ropes; 19. a miniature alarm; 20. and a second baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-4, the present invention provides an embodiment: a high-safety anti-theft screw comprises a screw head 1 and a screw leg 3, wherein the middle of the screw head 1 is provided with a connecting groove 2, the upper end of the screw leg 3 is in sliding connection with the connecting groove 2, two sides of the screw leg 3 are provided with balls 4, the balls 4 are in rolling connection with the screw leg 3, the lower end of the screw leg 3 is provided with a mounting groove 17, a micro alarm 19 is arranged in the mounting groove 17, the top of the micro alarm 19 is electrically connected with a switch, one side of the switch is fixed with a connecting rope 18, the connecting rope 18 penetrates through the mounting groove 17, the other end of the connecting rope 18 is fixedly connected with the screw head 1, the upper end of the screw leg 3 is provided with a first limiting groove 5, the adjacent positions between the first limiting groove 5 and the screw head 1 are provided with special-shaped anti-theft grooves 14, and the screw head 1, the connecting groove 2 and the screw leg 3 are arranged to be disassembled according to a common screw, after the hexagonal screwdriver is clamped with the hexagonal groove 15, the hexagonal screwdriver rotates to rotationally disassemble the screw head 1, at the moment, the limiting rod 10 is not clamped with the second limiting groove 12, the screw head 1 and the screw legs 3 are in a sliding connection state, the screw head 1 can be rotated to pull the connection rope 18 to be wound on the screw legs 3, after the connection rope 18 is wound for four or five circles, a switch on the miniature alarm 19 can be pulled to be opened, the miniature alarm 19 can transmit a signal to a receiver, the worker is reminded of abnormal disassembly of the equipment, the screw head 1 and the screw legs 3 in the state are in a sliding connection state, connection of the screw legs 3 is unaffected, and structural strength and functional completeness of the equipment are guaranteed.

Further, hexagonal groove 15 has been seted up to screw head 1 upper end, upper end dysmorphism theftproof groove 14 inner wall is provided with baffle 16 No. one, and baffle 16 and dysmorphism theftproof groove 14 sliding connection, mounting groove 17 inner wall lower extreme is provided with baffle 20 No. two, and baffle 20 No. two and mounting groove 17 sliding connection, through setting up baffle 16 and baffle 20 No. two, can effectively shelter from dysmorphism theftproof groove 14 and mounting groove 17, guarantee that this equipment does not have the difference with ordinary screw in appearance, strengthen the puzzlement of this equipment, improve and reduce thief's the prevention psychology, improve the theftproof effect, baffle 16 and dysmorphism theftproof groove 14 sliding connection simultaneously, when the staff carries out the dismouting to this equipment, can also make things convenient for the extrusion of specific instrument to pendulum rod 13.

Further, spring telescopic rod 6 is arranged at two ends of the inner wall of the first limiting groove 5, the spring telescopic rod 6 is fixedly connected with the first limiting groove 5, a moving rod 7 is arranged at the other end of the spring telescopic rod 6, the moving rod 7 is fixedly connected with the spring telescopic rod 6, an extrusion head 11 is arranged on the upper side of one end of the moving rod 7, the extrusion head 11 is fixedly connected with the moving rod 7, a swing rod 13 is arranged, a special-shaped anti-theft groove 14, the moving rod 7, the spring telescopic rod 6, the extrusion head 11, an expansion spring 9, a limiting rod 10, a second limiting groove 12 and the like, a worker needs to use a specific tool to carry out the extrusion, the specific tool can be clamped with a hexagonal groove 15 and simultaneously extends into the special-shaped anti-theft groove 14 to extrude the swing rod 13, the swing rod 13 can push the moving rod 7 to move after being extruded, the limiting rod 10 and the second limiting groove 12 are clamped through a series of transmission, so that the connection relation between the screw head 1 and the screw leg 3 is changed into clamping and connection, then the worker can carry out the dismounting operation on the rotary specific screwdriver, and the normal use operation of the screw equipment are guaranteed.

The working principle is as follows: in the equipment, due to the special shape of the special-shaped anti-theft slot 14, a user can customize the anti-theft slot according to own preference and also needs to customize a matched screwdriver, when the device is disassembled and assembled, a worker needs to use a specific tool, the specific tool can be clamped with the hexagonal groove 15 and simultaneously extends into the special-shaped anti-theft groove 14 to extrude the swing rod 13, the swing rod 13 can push the moving rod 7 to extrude the spring telescopic rod 6 after being extruded, meanwhile, the moving rod 7 drives the extrusion head 11 to extrude the limiting rod 10, the limiting rod 10 moves to drive the expansion spring 9 to compress and simultaneously clamp with the second limiting groove 12, at the moment, the connection relationship between the screw head 1 and the screw leg 3 is changed from sliding connection to clamping and connection through the clamping of the limiting rod 10 and the second limiting groove 12, then the worker can disassemble and assemble the equipment by rotating the special screwdriver, and disassemble the equipment according to the common screw, namely, after the hexagonal screwdriver is engaged with the hexagonal slot 15, the hexagonal screwdriver is rotated to disassemble the screw head 1, and at this time, since the stop rod 10 is not engaged with the second stop groove 12, the screw head 1 and the screw leg 3 are in a sliding connection state, the screw head 1 is rotated to pull the connecting rope 18 to wind on the screw leg 3, after the connecting rope 18 is wound for four or five circles, the switch on the miniature alarm 19 is pulled to be turned on, the miniature alarm 19 transmits a signal to the receiver to remind a worker of abnormal disassembly of the equipment, because the screw head 1 and the screw leg 3 are in the sliding connection state under the state, the connection effect of the screw leg 3 is not influenced, and the structural strength and the functional integrity of the equipment are ensured.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high security theftproof screw, includes screw head (1) and screw leg (3), its characterized in that: spread groove (2) have been seted up in the middle of screw head (1), screw leg (3) upper end and spread groove (2) sliding connection, screw leg (3) both sides are provided with ball (4), and ball (4) and screw leg (3) roll connection, mounting groove (17) have been seted up to screw leg (3) lower extreme, mounting groove (17) internally mounted has miniature alarm (19), miniature alarm (19) top electric connection has the switch, and is fixed with on one side of the switch and connects rope (18), connect rope (18) and run through mounting groove (17), connect rope (18) other end and screw head (1) fixed connection, first spacing groove (5) have been seted up to screw leg (3) upper end, dysmorphism theftproof groove (14) have all been seted up to adjacent position in the middle of first spacing groove (5) and screw head (1).

2. The high-safety anti-theft screw according to claim 1, characterized in that: first spacing groove (5) inner wall both ends are provided with spring telescopic link (6), and spring telescopic link (6) and first spacing groove (5) fixed connection, the spring telescopic link (6) other end is provided with carriage release lever (7), and carriage release lever (7) and spring telescopic link (6) fixed connection, carriage release lever (7) one end upside is provided with extrusion head (11), and extrusion head (11) and carriage release lever (7) fixed connection.

3. The high-security antitheft screw according to claim 1, characterized in that: spring groove (8) have been seted up along first spacing groove (5) upper end both sides in screw head (1), spring groove (8) inner wall is provided with expanding spring (9), and expanding spring (9) upper end and spring groove (8) fixed connection, the expanding spring (9) other end is provided with gag lever post (10), and gag lever post (10) and expanding spring (9) fixed connection, expanding spring (9) are run through in gag lever post (10).

4. A high security antitheft screw according to claim 3, characterized in that: a second limiting groove (12) is formed in the screw head (1) along the upper portion of the spring groove (8), and the second limiting groove (12) is matched with the limiting rod (10).

5. The high-safety anti-theft screw according to claim 2, characterized in that: the upper side of the other end of the moving rod (7) is provided with a swing rod (13), the swing rod (13) is rotatably connected with the moving rod (7) through a rotary seat, and the swing rods (13) are rotatably connected with each other through rotary rods.

6. The high-safety anti-theft screw according to claim 1, characterized in that: hexagonal groove (15), upper end have been seted up to screw head (1) upper end dysmorphism theftproof groove (14) inner wall is provided with baffle (16) No. one, and baffle (16) and dysmorphism theftproof groove (14) sliding connection, mounting groove (17) inner wall lower extreme is provided with No. two baffle (20), and No. two baffle (20) and mounting groove (17) sliding connection.