A kind of town road indication plate
Technical field
The present invention relates to direction board installing area, specially a kind of town road indication plate.
Background technology
It generally requires that various traffic signs are installed in the adjacent domain of road.The installation of some traffic signs is often
Be be permanently fixed installation with ensure installation it is solid and reliable so as to avoid the formation of security risk.But this gives instruction information more
Tape swapping comes difficult.And the direction board loosening that some devices for being conveniently replaceable instruction information then be easy to cause replacement falls to cause
Traffic hazard.
Invention content
The purpose of the present invention is to provide a kind of town road indication plates, of the prior art above-mentioned scarce for overcoming
It falls into.
Town road indication plate according to the present invention, including direction board plate body and the frame body being connected with ground,
In, the back side of the direction board plate body is provided with two flexible fastening plates symmetrical above and below, and each flexible fastening plate is provided with two
A taper is inserted into hole and protrudes platform part, the front side setting of the frame body positioned at the bending that described two tapers are inserted between hole
There is mounting frame, be respectively arranged on the upper side wall of the mounting frame and each of lower wall towards the mounting frame
Two tapers protrusion of the front and rear setting of inner cavity extension, the top surface that the taper is protruded are arcwall face consequently facilitating the elasticity is solid
Slip over to fixed board elastic bending the arcwall face and so that the taper is inserted into hole and is inserted on corresponding taper protrusion, when the cone
Shape be inserted into Kong Jun be inserted in corresponding taper protrusion it is upper after, the upper side wall and lower wall and corresponding bending protrude platform part it
Between form hanging gap;The mounting frame is in the interior intracavitary by bearing and to be rotatably mounted with axis direction be upper and lower
The thread bush cylinder part in direction, the upper semisection of the thread bush cylinder part and upper threaded mandrel thread fitting and thread rotary orientation with it is described on
Half section of opposite lower semisection and lower threaded mandrel thread fitting, be fixed on the excircle of the thread bush cylinder part bevel gear to
Cone tooth engagement with the bevel gear shaft and axial restraint being installed on by bearing in the inner cavity, the bevel gear shaft is by installing
Driving motor driving in the frame body;It is described when the thread bush cylinder part is driven by the driving motor and rotated as a result,
Upper threaded mandrel and lower threaded mandrel can distinguish outward axial movement and top pressure is protruded in corresponding bending in platform part respectively,
So that the taper of the flexible fastening plate is inserted into hole, close to the hole wall of the bending protrusion platform part, to hold out against the taper convex
The side wall gone out is achieved in the fastening to traffic sign;Bullet is mounted on the upper side wall and the outer end face of lower wall
Property cushion block, the elastic cushion block to direction board plate body described in top pressure, avoid the direction board plate body and the upper side wall and
Gap is generated between lower wall, so as to increase the stability of the direction board plate body;The driving motor and the frame body it
Between be also equipped with blimp, be pasted with acoustical cotton on the inner wall of the blimp, the acoustical cotton is absorbing the driving electricity
Generated noise when machine is run.
In the device of the invention, mainly frame body side is set to and elastic plate is fixed on direction board since fastening is driven to set
Side, therefore convenient for integral replacing traffic sign.And the bending protrusion being inserted between hole of elastic plate is utilized, it can be with cone
The composition surface cooperation cooperation of shape, and when being bent protrusion and being under pressure so that conical engagement face be subject to due to being bent protrusion
Pressure on top surface caused by stretching, extension is so as to strengthen top pressure effect close to orthogonal normal pressure.And the pressure by being bent suffered by protrusion
Another effect of power enables to the bellmouth of elastic plate to protrude to form wedge action with taper;In this way between two levels avoid
The presence of gap is so as to avoid the security risk shaken.And it holds out against effect and can form fastening force in itself and taken off to avoid direction board
It falls.
Description of the drawings
Fig. 1 is the section view structure diagram of the traffic sign device of the present invention.
Fig. 2 is another section view structure diagram of the traffic sign devices different from the section view position in Fig. 1.
Specific embodiment
With reference to Fig. 1-2, the present invention is described in detail.
A kind of town road indication plate according to an embodiment of the invention, including direction board plate body 9 and and ground
Connected frame body 8, wherein, the back side of the direction board plate body 9 is provided with two flexible fastening plates 91 symmetrical above and below, each bullet
Property fixed plate 91 setting there are two taper be inserted into hole and positioned at described two tapers be inserted into hole between bending protrude platform part
911, the front side of the frame body 8 is provided with mounting frame 6, the upper side wall 61 of the mounting frame 6 and lower wall 62 it is each
On be respectively arranged with towards the mounting frame 6 inner cavity 60 extension front and rear setting two tapers protrusion 69, the taper
The top surface of protrusion 69 for arcwall face consequently facilitating 91 elastic bending of flexible fastening plate slip over the arcwall face and cause institute
It states taper insertion hole to be inserted on corresponding taper protrusion 69, being inserted into Kong Jun when the taper is inserted on corresponding taper protrusion 69
Afterwards, hanging gap is formed between the upper side wall 61 and lower wall 62 and corresponding bending protrusion platform part 911;The installation
Framework 6 is rotatably mounted with the thread bush cylinder part 5 that axis direction is upper and lower directions in the inner cavity 60 by bearing 53,
The upper semisection of the thread bush cylinder part 5 and upper 52 thread fitting of threaded mandrel and the thread rotary orientation lower half opposite with the upper semisection
Section and lower 521 thread fitting of threaded mandrel, are fixed with bevel gear 51 to passing through axis on the excircle of the thread bush cylinder part 5
Hold 72 and axial restraint be installed on the cone tooth engagement of bevel gear shaft 71 in the inner cavity 60, the bevel gear shaft 71 is by installing
Driving motor 7 in the frame body 8 drives;When the thread bush cylinder part 5 is driven by the driving motor 7 and is rotated as a result,
The upper threaded mandrel 52 and lower threaded mandrel 521 can distinguish outward axial movement and top pressure is in corresponding bending protrusion respectively
In platform part 911, so that the taper of the flexible fastening plate 91 is inserted into hole close to the hole of the bending protrusion platform part 911
Wall holds out against the side wall of the taper protrusion 69, is achieved in the fastening to traffic sign;The upper side wall 61 and lower wall
Elastic cushion block 96 is mounted on 62 outer end face, the elastic cushion block 96 avoids described to direction board plate body 9 described in top pressure
Gap is generated between direction board plate body 9 and the upper side wall 61 and lower wall 62, so as to increase the direction board plate body 9
Stability;Blimp 70 is also equipped between the driving motor 7 and the frame body 8, is attached on the inner wall of the blimp 70
There are acoustical cotton, generated noise when the acoustical cotton is to absorb the operation of driving motor 7.
Valuably or illustratively, wherein, the bending degree of the bending protrusion platform part 911 causes the flexible fastening
The taper of plate 91 is inserted into the side that hole orthogonally engages the taper protrusion 69 close to the hole wall of the bending protrusion platform part 911
Wall.
Mainly frame body side is set to due to fastening to be driven to set and elastic plate is fixed on direction board side, convenient for entirety more
Change traffic sign.And the bending protrusion being inserted between hole of elastic plate is utilized, it can cooperate and match with the composition surface of taper
When closing, and being bent protrusion and be under pressure so that conical engagement face be subject to due to pressure on top surface caused by bending protrusion stretching, extension
To strengthen top pressure effect close to orthogonal normal pressure.And by being bent another effect energy of the pressure suffered by protrusion
Enough so that the bellmouth of elastic plate protrudes to form wedge action with taper;The presence in gap is avoided from two levels in this way so as to avoid
The security risk of shaking.And it holds out against effect and can form fastening force in itself and come off to avoid direction board.Whole device user
Just and fastening structure, it can effectively solve the problem that problem of the prior art.
Those skilled in the art can be clear and definite, can in the case of the overall spirit of the present invention and design is not departed from
To make the various modifications for above example.It is each fallen within protection scope of the present invention.The protection scheme of the present invention
It is subject to claims appended hereto.