CN201143916Y

CN201143916Y - Anti-theft solidifying device of license plate for vehicle

Info

Publication number: CN201143916Y
Application number: CNU2008200424653U
Authority: CN
Inventors: 文湘伟
Original assignee: GUANGZHOU DING'AN TRAFFIC TECHNOLOGY Co Ltd
Current assignee: GUANGZHOU DING'AN TRAFFIC TECHNOLOGY Co Ltd
Priority date: 2008-01-04
Filing date: 2008-01-04
Publication date: 2008-11-05
Anticipated expiration: 2018-01-04

Abstract

The utility model relates to an anti-theft fixing device of a motor vehicle license plate, which consists of a nut, a spacer, a bolt, a pedestal, an inner cover cap and an outer cover cap; the bolt consists of a thread segment and a head; the pedestal is arranged between the spacer and the head of the bolt; the open end of a cylindrical wall is provided with a flared edge; the circular cylindrical outer wall is provided with a locking circular groove; a flat plate on the top surface is provided with a hole for the bolt to go through; the outer cover cap is in a cover cap shape and matches with the pedestal; the inner cover cap is arranged between the cylindrical outer wall of the pedestal and the cylindrical inner wall of the outer cover cap; the nut is a conical spiral body; the flat plate on the top surface of the outer side of the nut is provided with an inner thread hole meshed with the bolt; the thread segment of the bolt goes through the insertion hole and fixedly connected with the thread of the inner thread hole, the head of which is hidden and clipped in the insertion hole; the anti-theft fixing device has the advantages of simple structure, easy installation, firm connection, anti-removal, anti-theft, etc.

Description

Motor vehicle license tag anti-theft fixed and enveloped device

Technical field

The utility model relates to the solid seal apparatus, particularly motor vehicle license tag anti-theft fixed and enveloped device of fixing machine motor vehicle license plate.

Background technology

Car plate on the conventional motor vehicle adopts common screw attaching parts to be fixed on the car plate pallet usually, the screw attaching parts generally is made of anti-withdrawing nut, packing ring, bolt and decoration nut, it can take out the screw attaching parts easily by instruments such as general spanner or screwdrivers and take off car plate, some lawless persons usually steal to sell off behind the car plate and obtain interests or carry out illegal activity, make troubles to the car owner, also give and safeguard that civil order makes troubles; A side that has on this basis at its packing ring has an axial protruding pipe, and the periphery of protruding pipe is with screw thread and matches with the negative thread of described nut, and the nut peripheral hardware is decorated nut.This structure is limited by nut and protruding gas thread bonded assembly, nut and to decorate nut be that simple decoration also fails to solve anti-theft feature.

The utility model content

The technical matters of the utility model for solving provides a kind of simple in structure, motor vehicle license tag anti-theft fixed and enveloped device of installing easily, connecting firm and anti-detaching theft-proof.

The purpose of this utility model is achieved in that motor vehicle license tag anti-theft fixed and enveloped device, this device is made of nut, pad, bolt, base, interior block and outer block, described bolt is made of thread segment and head, wherein: also be provided with the base of covering cap shape between the head of pad and bolt, base cylindrical wall open end is provided with the enlarging limit that extends radially outwardly, is provided with the snapping annular groove of indent, the inserting hole that top panel is provided with bolt at the ring cylinder outer wall; Described outer block is covering cap shape with base is suitable, and correspondence is provided with and the enlarging limit hole enlargement mouth of buckle mutually, described hole enlargement mouth outer end flange formation to the inside inner card cage; The cylinder outer wall of base and outside also be provided with the interior block of tubular between the cylinder inner wall of block, be provided with buckle projection at the interior block cylindrical wall face relative to convex with annular groove; The tapered swivel of described nut, outer top surface flat board are provided with the internal thread hole meshing with bolt; The thread segment of described bolt is hidden and is fastened in the inserting hole by be threaded with internal thread hole fixing, its head of inserting hole, and described buckle projection is connected with snapping annular groove buckle, and described inner card cage and enlarging checkpost link and connect.

The described spacer thickness of above-mentioned motor vehicle license tag anti-theft fixed and enveloped device is suitable mutually with the outer side flanging trough rim thickness of inner card cage.

Adopt the motor vehicle license tag anti-theft fixed and enveloped device of technique scheme, by the base of covering cap shape is set between the head of car plate outside pad and bolt, its enlarging limit increases locating surface and is close to mutually with pad, in block and the cylinder outer wall buckle projection suitable, its convex of base can not return again after just blocking be pressed in the snapping annular groove of base by external force after, the faying face of interior block and base is limited in the inserting hole of base top panel the bolt head that is arranged on wherein at the root on enlarging limit; The loudspeaker opening of car plate pallet back conical nut inwardly is close to the thread segment of its stable position of assurance, bolt mutually with car plate pallet back and is threaded fixing with internal thread hole in the outer cone point, when tightening the tamper conical nut, the outside tapered cup nut of awl point can't be located instrument thereon, external force is difficult to be delivered on the nut, thereby plays the effect of tamper; The inner card cage that the involute flange of its opening direction of outer block of involute unidirectional solid envelope forms, its inner card cage buckles into the outside on base enlarging limit when being pressed into base by external force, the base interior block integral body outer with being located in base is encased and melts is an association, when prized by external force then the ingenious base of transferring to of power, and base, bolt and tamper circular cone nut are fastening, thereby can't pry open and realize the purpose of anti-detaching theft-proof.

The utlity model has simple in structure, install easily, connect advantages such as firm and anti-detaching theft-proof.

Description of drawings

Fig. 1 is a disassembly and assembly structure scheme drawing of the present utility model;

Fig. 2 is the assembled state structural representation of Fig. 1;

Fig. 3 is a nut structure scheme drawing of the present utility model;

Fig. 4 is the right elevation of Fig. 3;

Fig. 5 is a base structural representation of the present utility model;

Fig. 6 is the right elevation of Fig. 5;

Fig. 7 is a bolt arrangement scheme drawing of the present utility model;

Fig. 8 is an interior capping structure scheme drawing of the present utility model;

Fig. 9 is an outer capping structure scheme drawing of the present utility model.

Among the figure: 1 is nut, and 11 is internal thread hole, and 2 is pad, and 3 is bolt, and 31 is thread segment, and 32 is head, 4 is outer block, and 41 are the hole enlargement mouth, 42 inner card cages, and 5 is base, and 51 are the enlarging limit, and 52 is the snapping annular groove, 53 is inserting hole, and 6 is interior block, and 61 is the buckle projection, and 7 is pallet, and 8 is car plate.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail, but does not constitute any restriction of the present utility model.

Consult Fig. 1 to shown in Figure 9, motor vehicle license tag anti-theft fixed and enveloped device, this device is by nut 1, pad 2, bolt 3, base 5, interior block 6 and block a shot outward and 4 constitute, bolt 3 is made of thread segment 31 and head 32, also be provided with the base 5 of covering cap shape between the head 32 of pad 2 and bolt 3, snapping annular groove 52, the top panel that base 5 cylindrical wall open ends are provided with the enlarging limit 51 that extends radially outwardly, be provided with indent at the ring cylinder outer wall is provided with the inserting hole 53 of bolt 3; Outer block 4 is covering cap shape with base 5 is suitable, and correspondence is provided with and the enlarging limit 51 hole enlargement mouth 41 of buckle mutually, hole enlargement mouth 41 outer ends flange formation to the inside inner card cage 42; The cylinder outer wall of base 5 and outside block a shot and also be provided with the interior block 6 of tubular between 4 the cylinder inner wall, be distributed on same radially wall at interior block 6 cylinders relative and be provided with three buckle projectioies 61 to convex with annular groove 52; Nut 1 is conical swivel, outer top surface flat board and is provided with the meshing internal thread hole 11 of bolt 3; The thread segment 31 of bolt 3 is hidden and is fastened in the inserting hole 53 by be threaded with internal thread hole 11 fixing, its head 32 of inserting hole 53, buckle projection 61 and snapping annular groove 52 buckle connection mutually, and inner card cage 42 is connected with enlarging limit 51 buckles; The outer side flanging trough rim thickness of pad 2 thickness inner card cages 42 is suitable mutually.

When the utility model is is specifically installed and used, car plate 8 is buckled on the pallet 7 that is fixed on the car body, the following holder of extending downwards with both sides, pallet bottom evagination of car plate is buckled and is interlocked, the default knock hole on car plate 8 and both sides, pallet 7 top is corresponding, and it is corresponding with knock hole that nut 1 is placed on pallet 7 rear portions, bolt 3 successively puts the mounting hole that passes car plate 8 and pallet 7 behind base 5 and the pad 2 and nut 1 and is spirally connected fixingly, regulates calibration again after install successively on both sides and tightens fixing with screwdriver; Interior block 6 directly is pressed into base 5 with the tack instrument, can not returns after just blocking after the buckle projection 61 of its convex buckles in the annular groove 52 again, interior block 6 is limited in the inserting hole 53 of base 5 top panel bolt 3 heads 32 that are arranged on wherein; The inner card cage 42 that the involute flange of outer block 4 its opening directions of involute unidirectional solid envelope forms, its inner card cage 42 buckles into the outside on base 5 enlarging limits 51 when being pressed into base 5 by external force, base 5 with to be located in that base 5 outer interior block 6 integral body encase and melt be an association, when external force prizes, the ingenious base 5 of transferring to of power, and base 5, bolt 3 and tamper circular cone nut 1 are fastening, and the outside tapered cup nut 1 of awl point make instrument can't with its location, external force is difficult to be delivered on the nut 1, thereby can't pry open and realize the purpose of anti-detaching theft-proof.

Claims

1. motor vehicle license tag anti-theft fixed and enveloped device, this device is made of nut (1), pad (2), bolt (3), base (5), interior block (6) and outer block (4), described bolt (3) is made of thread segment (31) and head (32), it is characterized in that: also be provided with the base (5) of covering cap shape between the head (32) of pad (2) and bolt (3), base (5) cylindrical wall open end is provided with the enlarging limit (51) that extends radially outwardly, is provided with the snapping annular groove (52) of indent, the inserting hole (53) that top panel is provided with bolt (3) at the ring cylinder outer wall; Described outer block (4) is covering cap shape with base (5) is suitable, and correspondence is provided with and enlarging limit (51) the hole enlargement mouth (41) of buckle mutually, described hole enlargement mouth (41) outer end flange formation to the inside inner card cage (42); The cylinder outer wall of base (5) and outside also be provided with the interior block (6) of tubular between the cylinder inner wall of block (4), be provided with buckle projection (61) at interior block (6) the cylinder wall relative to convex with annular groove (52); The tapered swivel of described nut (1), the outer top surface flat board is provided with the meshing internal thread hole (11) of bolt (3); The thread segment (31) of described bolt (3) is hidden and is fastened in the inserting hole (53) by be threaded with internal thread hole (11) fixing, its head (32) of inserting hole (53), described buckle projection (61) is connected with snapping annular groove (52) buckle, and described inner card cage (42) is connected with enlarging limit (51) buckle.

2. motor vehicle license tag anti-theft fixed and enveloped device according to claim 1 is characterized in that: described pad (2) thickness is suitable mutually with the outer side flanging trough rim thickness of inner card cage (42).