CN210949470U

CN210949470U - Standard component screw with anti-theft function after locking

Info

Publication number: CN210949470U
Application number: CN201921694924.0U
Authority: CN
Inventors: 涂林峰
Original assignee: Wenzhou Jinjia Standard Parts Co ltd
Current assignee: Wenzhou Jinjia Standard Parts Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-07-07
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses a standard component screw that has theftproof function after locking, including cylinder piece, triangle spiral, rectangle piece, connecting block and square groove, the external fixed surface of cylinder piece is provided with the triangle spiral, and the lower surface of cylinder piece is run through by the connecting rod, the external fixed surface of connecting rod is provided with the stopper, and the bottom fixedly connected with reset spring of stopper to reset spring's the fixed internal surface that sets up at the cylinder piece of end, the top of stopper is connected with the end of telescopic link. This standard component screw that has theftproof function after locking, this screw when locking article, the connecting rod can receive the extrusion of article and slide and rise for the telescopic link is rotatory to be dragged the rectangular block through the bracing piece, and the rectangular block then can not carry out the turn-knob in the retraction connecting block, and the connecting block is circular, thereby this screw then inconveniently carries out the turn-knob once more, reaches the effect of theftproof.

Description

Standard component screw with anti-theft function after locking

Technical Field

The utility model relates to a screw technical field specifically is a standard component screw that has theftproof function after locking.

Background

The screw is a part which is often used in daily life of people, the screw is called as a screw because the screw is in a screw shape and can be fixed at a certain position like a nail, the screw can fix or fasten a certain part of a certain object, and the screw can clamp and fix the certain object through matching with a nut to achieve the fastening effect, but the common screw has some disadvantages:

firstly, a common screw can be loosened or locked by using a screwdriver or a screw twister, and the screw can be easily removed due to the simple loosening, and some lawbreakers can organically take advantage of the loosening to steal objects;

secondly, once some anti-theft screws are locked, the anti-theft screws cannot be unscrewed again, and can be continuously clamped in the machine, so that a large amount of time is consumed when the anti-theft screws need to be dismounted, even articles need to be damaged, and the anti-theft screws cannot be recycled.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a standard component screw with anti-theft function after being locked, so as to solve the problem that the common screw provided in the background technology does not have anti-theft function; the common anti-theft screw has no function of bad use again.

In order to achieve the above object, the utility model provides a following technical scheme: a standard part screw with an anti-theft function after being locked comprises a cylindrical block, a triangular spiral thread, a rectangular block, a connecting block and a square groove, wherein the triangular spiral thread is fixedly arranged on the outer surface of the cylindrical block, the lower surface of the cylindrical block is penetrated through by a connecting rod, a limiting block is fixedly arranged on the outer surface of the connecting rod, a return spring is fixedly connected to the bottom end of the limiting block, the tail end of the return spring is fixedly arranged on the inner surface of the cylindrical block, the top end of the limiting block is connected with the tail end of a telescopic rod, the central point of the telescopic rod is fixedly arranged on the inner surface of the fixing block, the fixing block is fixedly arranged on the top surface of the cylindrical block, the top end of the telescopic rod is connected with the tail end of a supporting rod, the supporting rod penetrates through the top surface of the fixing, the inner cavity has been seted up to the inside of connecting block, and the internal surface of inner cavity is connected with the fixed column to the cross groove has been seted up on the top surface of fixed column, the fixed column runs through the hole, and the hole is seted up at the lower surface of rectangular block, and square groove has been seted up on the top surface of hole.

Preferably, the limiting blocks are symmetrically distributed about the center line of the connecting rod, and the connecting rod and the cylindrical block form a sliding structure.

Preferably, the telescopic rod forms a rotating structure with the connecting rod and the supporting rod respectively, and the supporting rod forms a sliding structure with the fixing block and the connecting block respectively.

Preferably, the overlooking surface of the rectangular block is pentagonal, the overlooking surface of the connecting block on the rectangular block is circular, and the rectangular block and the connecting block form a sliding structure.

Preferably, the fixed column constitutes revolution mechanic with connecting block and rectangle piece respectively, and the fixed column is connected for the block with square groove.

Compared with the prior art, the beneficial effects of the utility model are that: the standard component screw with the anti-theft function after being locked,

1. when the screw locks an article, the connecting rod can be extruded by the article to slide and rise, so that the telescopic rod rotates to pull the rectangular block through the supporting rod, the rectangular block can be retracted into the connecting block and cannot be turned, and the connecting block is circular, so that the screw cannot be turned again conveniently, and the anti-theft effect is achieved;

2. and when needs were twisted the screw out article, need through the fixed column and with its block in square groove, just can make through using specific cross screwdriver cross groove of twisting, just can make the fixed column drive the rectangular block rotatory, and after the screw-out take the altitude, the rectangular block can rise under reset spring's effect, square groove can break away from the fixed column, need the change tool to carry out the knob to the rectangular block, reach good theftproof effect and can circulate this screw again.

Drawings

FIG. 1 is a schematic view of the overall front view structure of the present invention;

FIG. 2 is a schematic overall front sectional view of the present invention;

FIG. 3 is a schematic view of the overall top view structure of the present invention;

fig. 4 is a schematic view of the sectional structure of the fixing column and the inner hole connection of the present invention.

In the figure: 1. a cylindrical block; 2. a triangular spiral; 3. a connecting rod; 4. a limiting block; 5. a return spring; 6. a telescopic rod; 7. a fixed block; 8. a support bar; 9. a rectangular block; 10. connecting blocks; 11. an inner cavity; 12. fixing a column; 13. an inner bore; 14. a cross groove; 15. a square 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. 1-4, the present invention provides a technical solution: a standard part screw with an anti-theft function after being locked comprises a cylindrical block 1, a triangular spiral thread 2, a connecting rod 3, a limiting block 4, a reset spring 5, a telescopic rod 6, a fixing block 7, a supporting rod 8, a rectangular block 9, a connecting block 10, an inner cavity 11, a fixing column 12, an inner hole 13, a cross groove 14 and a square groove 15, wherein the triangular spiral thread 2 is fixedly arranged on the outer surface of the cylindrical block 1, the lower surface of the cylindrical block 1 is penetrated through by the connecting rod 3, the limiting block 4 is fixedly arranged on the outer surface of the connecting rod 3, the bottom end of the limiting block 4 is fixedly connected with the reset spring 5, the tail end of the reset spring 5 is fixedly arranged on the inner surface of the cylindrical block 1, the top end of the limiting block 4 is connected with the tail end of the telescopic rod 6, the central point of the telescopic rod 6 is fixedly arranged on the inner surface of, and the bracing piece 8 runs through the top surface of fixed block 7, the top fixedly connected with rectangular block 9 of bracing piece 8, and rectangular block 9 runs through connecting block 10, and connecting block 10 is fixed to be set up on the top surface of fixed block 7, inner chamber 11 has been seted up to connecting block 10's inside, and the internal surface connection of inner chamber 11 has fixed column 12, and cross recess 14 has been seted up on the top surface of fixed column 12, fixed column 12 runs through hole 13, and hole 13 sets up the lower surface at rectangular block 9, and square groove 15 has been seted up on the top surface of hole 13.

Stopper 4 is about connecting rod 3's central line symmetric distribution, and connecting rod 3 constitutes sliding structure with cylinder piece 1, telescopic link 6 constitutes rotating-structure with connecting rod 3 and bracing piece 8 respectively, and bracing piece 8 constitutes sliding structure with fixed block 7 and connecting block 10 respectively, the pentagon is personally submitted in overlooking of rectangle piece 9, and connecting block 10 on the rectangle piece 9 overlooks personally submits circularly, and rectangle piece 9 constitutes sliding structure with connecting block 10, when connecting rod 3 receives the extrusion and upwards slides, telescopic link 6 can rotate and drag bracing piece 8, make rectangle piece 9 during the retraction connecting block 10, thereby reach the effect that can't carry out the turn-knob, reach good theftproof mesh.

The fixed column 12 respectively forms a rotating structure with the connecting block 10 and the rectangular block 9, the fixed column 12 is connected with the square groove 15 in a clamping mode, when the rectangular block 9 retracts into the connecting block 10, the fixed column 12 can be rotated through the fixed column 12 to enable the fixed column 12 to be clamped with the square groove 15, the fixed column 12 is rotated, the rectangular block 9 can be driven to rotate through the fixed column 12, and the effect of disassembling is achieved.

The working principle is as follows: when the standard component screw with the anti-theft function after being locked is used, according to the figures 1 and 2, when two objects need to be fixed, the rectangular block 9 can be sleeved by a specific bolt turn-knob device, the cylindrical block 1 is plugged into the place where the two objects need to be fixed, the rectangular block 9 is rotated by the starting device, the rectangular block 9 can drive the cylindrical block 1 to rotate through the fixed block 7, the cylindrical block 1 can be screwed into the objects through the triangular spiral 2, and because the cylindrical block 1 is turned, the cylindrical block 1 can continuously move inwards, the connecting rod 3 can contact the bottom surface, so that the connecting rod 3 drives the tail end of the telescopic rod 6 to slide upwards, the central point of the telescopic rod 6 can rotate, the supporting rod 8 is pulled through the top end of the telescopic rod 6, the rectangular block 9 can be pulled by the supporting rod 8, and the rectangular block 9 enters the connecting block 10 and is separated from the bolt turn-knob device, since the overlooking surface of the connecting block 10 is circular, the bolt cannot be rotated by rotating the connecting block 10, and a good anti-theft effect is achieved;

when the screw needs to be disassembled, according to fig. 1, 3 and 4, as the screw is locked, the rectangular block 9 enters the connecting block 10, so that the fixing column 12 in the inner cavity 11 can slide through the inner hole 13 and slide into the square groove 15, at this time, the cross groove 14 can be turned according to the use of a specific cross screwdriver, the fixing column 12 can drive the rectangular block 9 to rotate through the clamping with the square groove 15, the cylindrical block 1 slowly separates from the object, the limiting block 4 can slowly drive the connecting rod 3 to slide downwards under the action of the return spring 5, so that the rectangular block 9 slowly rises, when the rectangular block 9 rises to a certain distance, the fixing column 12 can slide out of the square groove 15, at this time, the rectangular block 9 cannot rotate through the rotation of the fixing column 12, the tool needs to be replaced again, the bolt turning device is used for clamping the rectangular block 9, just can make the rectangle piece 9 drive the cylinder piece 1 rotatory to improve the degree of difficulty of dismantling, when improving the theftproof effect, can also reach the effect of recycling purpose, increased holistic practicality.

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 a standard component screw that has theftproof function after locking, includes cylinder piece (1), triangle spiral (2), rectangle piece (9), connecting block (10) and square groove (15), its characterized in that: the outer surface of the cylindrical block (1) is fixedly provided with a triangular spiral line (2), the lower surface of the cylindrical block (1) is penetrated through by a connecting rod (3), the outer surface of the connecting rod (3) is fixedly provided with a limiting block (4), the bottom end of the limiting block (4) is fixedly connected with a return spring (5), the tail end of the return spring (5) is fixedly arranged on the inner surface of the cylindrical block (1), the top end of the limiting block (4) is connected with the tail end of a telescopic rod (6), the central point of the telescopic rod (6) is fixedly arranged on the inner surface of a fixed block (7), the fixed block (7) is fixedly arranged on the top surface of the cylindrical block (1), the top end of the telescopic rod (6) is connected with the tail end of a supporting rod (8), the supporting rod (8) penetrates through the top surface of the fixed block (7), and the top end, and rectangle piece (9) through connection piece (10) to fixed the setting at the top surface of fixed block (7) in connecting piece (10), inner chamber (11) have been seted up to the inside of connecting piece (10), and the internal surface of inner chamber (11) is connected with fixed column (12), and cross recess (14) have been seted up to the top surface of fixed column (12), fixed column (12) run through hole (13), and hole (13) set up the lower surface at rectangle piece (9), and square groove (15) have been seted up to the top surface of hole (13).

2. The locked standard component screw with the anti-theft function according to claim 1, wherein: the limiting blocks (4) are symmetrically distributed about the center line of the connecting rod (3), and the connecting rod (3) and the cylindrical block (1) form a sliding structure.

3. The locked standard component screw with the anti-theft function according to claim 1, wherein: the telescopic rod (6) respectively forms a rotating structure with the connecting rod (3) and the supporting rod (8), and the supporting rod (8) respectively forms a sliding structure with the fixing block (7) and the connecting block (10).

4. The locked standard component screw with the anti-theft function according to claim 1, wherein: the overlooking surface of the rectangular block (9) is pentagonal, the overlooking surface of the connecting block (10) on the rectangular block (9) is circular, and the rectangular block (9) and the connecting block (10) form a sliding structure.

5. The locked standard component screw with the anti-theft function according to claim 1, wherein: the fixed column (12) respectively forms a rotating structure with the connecting block (10) and the rectangular block (9), and the fixed column (12) is connected with the square groove (15) in a clamping manner.