CN214240634U

CN214240634U - Electric patrol car with LED (light emitting diode) propaganda display screen

Info

Publication number: CN214240634U
Application number: CN202021239821.8U
Authority: CN
Inventors: 王金彪
Original assignee: Tianjin Jingyuan Technology Co ltd
Current assignee: Tianjin Jingyuan Technology Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-09-21
Anticipated expiration: 2030-06-30

Abstract

The utility model relates to a cruiser technical field just discloses an electronic cruiser with LED propaganda display screen, including automobile body and the LED display screen of setting on the automobile body, the fixed casing that is equipped with in top of automobile body, the LED display screen is located the top of casing, the fixed column spinner that is equipped with of downside of LED display screen, the lower extreme of column spinner rotates with the top of casing to be connected, the vertical rotation in inside of casing is provided with the pivot, the upper end of pivot and the lower extreme fixed connection of column spinner, the inside of casing is equipped with and is used for driving the rotatory actuating mechanism of pivot. The utility model discloses can make the LED display screen rotatory to can make the LED display screen reach the effect of best propaganda and early warning.

Description

Electric patrol car with LED (light emitting diode) propaganda display screen

Technical Field

The utility model relates to a cruiser technical field especially relates to an electronic cruiser with LED propaganda display screen.

Background

The use and development of the electric vehicle are inevitable trends with national environmental protection and energy conservation, and the electric vehicle attracts more and more attention with the advantages of portability, environmental protection, energy conservation and the like. In order to create a safe and green living environment, the city police security system has gradually developed towards electric development. At present, the development of a plurality of advanced technologies is adopted, and the electric intelligent patrol car which is independently developed has the characteristics of safety, environmental protection, simplicity and practicability.

The function of the existing electric patrol car is single, the LED propaganda display screen can be installed on the electric patrol car for playing the propaganda and early warning functions, but the fixing mode of the LED propaganda display screen is fixed, so that the LED propaganda display screen cannot rotate, and the optimal propaganda and early warning functions cannot be achieved. Therefore, the utility model provides an electronic cruiser with LED propaganda display screen.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art fixed mode of LED propaganda display screen and being fixed, can not make the LED propaganda display screen rotatory to can't reach the problem of the effect of best propaganda and early warning, and the electronic cruiser with LED propaganda display screen that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electric patrol car with an LED (light emitting diode) propaganda display screen comprises a car body and the LED display screen arranged on the car body, wherein a shell is fixedly arranged at the top of the car body, the LED display screen is positioned above the shell, a rotary column is fixedly arranged at the lower side of the LED display screen, the lower end of the rotary column is rotatably connected with the top of the shell, a rotary shaft is vertically and rotatably arranged in the shell, the upper end of the rotary shaft is fixedly connected with the lower end of the rotary column, and a driving mechanism for driving the rotary shaft to rotate is arranged in the shell;

actuating mechanism includes motor, reciprocal lead screw, reciprocal slider, rack and gear, the gear is fixed to be set up on the axle wall of pivot, the rack is horizontal meshing and sets up in the rear side of gear, reciprocal lead screw is the rear side that transversely lies in the rack, reciprocal slider slides and sets up on the pole wall of reciprocal lead screw, and the lateral wall of reciprocal slider and the rear side wall fixed connection of rack, the motor is fixed to be set up on the right inside wall of casing, the right-hand member of reciprocal lead screw and the output fixed connection of motor, the upper and lower both sides of rack all are equipped with slip stop gear.

Preferably, the sliding limiting mechanism comprises a limiting sliding block and a limiting sliding rod, the limiting sliding rod is fixedly arranged in the shell and located on the upper side and the lower side of the rack, the limiting sliding block is fixedly arranged on the upper side and the lower side of the rack, and the side wall of the limiting sliding block is connected with the rod wall of the limiting sliding rod in a sliding mode through a limiting sliding hole.

Preferably, the top of automobile body just is located the fixed annular slide rail that is equipped with in outside of casing, and the inside slip of annular slide rail is equipped with two arc sliders, two the upside of arc slider all is fixed and is equipped with the bracing piece, and the downside fixed connection of the upper end of bracing piece and LED display screen.

Preferably, the first rolling bearing is rotatably connected between the lower end of the rotary column and the top of the shell, the lower end of the rotary shaft is rotatably connected with the bottom of the shell through the second rolling bearing, and the left end of the reciprocating screw rod is rotatably connected with the left inner side wall of the shell through the third rolling bearing.

Preferably, the motor is a reduction motor.

Compared with the prior art, the utility model provides an electronic cruiser with LED propaganda display screen possesses following beneficial effect:

1. this electronic cruiser with LED propaganda display screen, through column spinner, pivot, motor, reciprocal lead screw, reciprocal slider, rack, gear, spacing slider and the spacing slide bar that is equipped with, can make LED display screen corotation a week then reversal mutual cycle rotatory again to can make the LED display screen reach the effect of best propaganda and early warning.

2. This electronic cruiser with LED propaganda display screen, annular slide rail, arc slider and bracing piece through being equipped with can play the effect of a stable rotation support for the LED display screen.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can make the LED display screen rotatory get up to can make the LED display screen reach the effect of best propaganda and early warning.

Drawings

Fig. 1 is a schematic structural view of an electric patrol car with an LED advertising display screen according to the present invention;

FIG. 2 is a schematic view of the LED display screen of FIG. 1 connected to a housing;

fig. 3 is a schematic top view of the reciprocating screw, the reciprocating slider and the rack in fig. 2.

In the figure: the LED display screen comprises a vehicle body 1, an LED display screen 2, a shell 3, a rotating column 4, a rotating shaft 5, a motor 6, a reciprocating screw rod 7, a reciprocating slide block 8, a rack 9, a gear 10, a limiting slide rod 11, an annular slide rail 12, an arc slide block 13, a supporting rod 14 and a limiting slide block 15.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an electric patrol car with an LED advertising display screen comprises a car body 1 and an LED display screen 2 arranged on the car body 1, wherein a shell 3 is fixedly arranged at the top of the car body 1, the LED display screen 2 is positioned above the shell 3, a rotary column 4 is fixedly arranged at the lower side of the LED display screen 2, the lower end of the rotary column 4 is rotatably connected with the top of the shell 3, a rotary shaft 5 is vertically and rotatably arranged in the shell 3, the upper end of the rotary shaft 5 is fixedly connected with the lower end of the rotary column 4, and a driving mechanism for driving the rotary shaft 5 to rotate is arranged in the shell 3;

actuating mechanism includes motor 6, reciprocal lead screw 7, reciprocal slider 8, rack 9 and gear 10, gear 10 is fixed to be set up on the axle wall of pivot 5, rack 9 is the lateral meshing and sets up in the rear side of gear 10, reciprocal lead screw 7 is the rear side that transversely lies in rack 9, reciprocal slider 8 slides and sets up on the pole wall of reciprocal lead screw 7, and reciprocal slider 8's lateral wall and rack 9's rear side wall fixed connection, motor 6 is fixed to be set up on the right inside wall of casing 3, motor 6 is gear motor, the right-hand member of reciprocal lead screw 7 and motor 6's output fixed connection, the upper and lower both sides of rack 9 all are equipped with the stop gear that slides.

The sliding limiting mechanism comprises a limiting slide block 15 and a limiting slide rod 11, the limiting slide rod 11 is fixedly arranged in the shell 3 and located on the upper side and the lower side of the rack 9, the limiting slide block 15 is fixedly arranged on the upper side and the lower side of the rack 9, and the side wall of the limiting slide block 15 is connected with the rod wall of the limiting slide rod 11 in a sliding mode through a limiting slide hole.

The top of automobile body 1 and the external fixation that is located casing 3 are equipped with annular slide rail 12, and the inside slip of annular slide rail 12 is equipped with two arc slider 13, and the upside of two arc slider 13 is all fixed and is equipped with bracing piece 14, and the downside fixed connection of the upper end of bracing piece 14 and LED display screen 2 can play the effect of a stable rotation support for LED display screen 2.

First antifriction bearing rotates between the lower extreme of column spinner 4 and the top of casing 3 to be connected, and the lower extreme of pivot 5 rotates through the bottom of second antifriction bearing and casing 3 to be connected, and the left end of reciprocating screw 7 rotates through the left side inside wall of third antifriction bearing and casing 3 to be connected.

The utility model discloses in, in the use, open motor 6 work, motor 6 can drive reciprocal lead screw 7 rotatory, reciprocal lead screw 7 can drive reciprocal slider 8 left and right reciprocating motion, thereby can drive gear 9 through reciprocating motion about spacing slider 15 on spacing slide bar 11, rack 9 can drive gear 10 corotation a week and the mutual circulation switching rotation such as a week of reversal again when reciprocating motion about, and then can make LED display screen 2 reach the effect of best propaganda and early warning, annular slide rail 12 through being equipped with, arc slider 13 and bracing piece 14, can play the effect of a stable rotation support for LED display screen 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The electric patrol car with the LED propaganda display screen comprises a car body (1) and an LED display screen (2) arranged on the car body (1), and is characterized in that a shell (3) is fixedly arranged at the top of the car body (1), the LED display screen (2) is positioned above the shell (3), a rotary column (4) is fixedly arranged on the lower side of the LED display screen (2), the lower end of the rotary column (4) is rotatably connected with the top of the shell (3), a rotary shaft (5) is vertically and rotatably arranged in the shell (3), the upper end of the rotary shaft (5) is fixedly connected with the lower end of the rotary column (4), and a driving mechanism for driving the rotary shaft (5) to rotate is arranged in the shell (3);

actuating mechanism includes motor (6), reciprocal lead screw (7), reciprocal slider (8), rack (9) and gear (10), gear (10) are fixed to be set up on the axle wall of pivot (5), rack (9) are horizontal meshing and set up in the rear side of gear (10), reciprocal lead screw (7) are the rear side that transversely is located rack (9), reciprocal slider (8) slide and set up on the pole wall of reciprocal lead screw (7), and the lateral wall of reciprocal slider (8) and the rear side wall fixed connection of rack (9), motor (6) are fixed to be set up on the right inside wall of casing (3), the right-hand member of reciprocal lead screw (7) and the output fixed connection of motor (6), the upper and lower both sides of rack (9) all are equipped with the stop gear that slides.

2. The electric patrol car with the LED propaganda display screen according to claim 1, wherein the sliding limiting mechanism comprises a limiting slide block (15) and a limiting slide rod (11), the limiting slide rod (11) is fixedly arranged inside the shell (3) and is positioned on the upper side and the lower side of the rack (9), the limiting slide block (15) is fixedly arranged on the upper side and the lower side of the rack (9), and the side wall of the limiting slide block (15) is in sliding connection with the rod wall of the limiting slide rod (11) through a limiting slide hole.

3. The electric patrol car with the LED propaganda display screen according to claim 1, wherein an annular slide rail (12) is fixedly arranged at the top of the car body (1) and outside the shell (3), two arc-shaped slide blocks (13) are slidably arranged inside the annular slide rail (12), a support rod (14) is fixedly arranged on the upper sides of the two arc-shaped slide blocks (13), and the upper end of the support rod (14) is fixedly connected with the lower side of the LED display screen (2).

4. The electric patrol car with the LED propaganda display screen according to claim 1, wherein a first rolling bearing is rotatably connected between the lower end of the rotary column (4) and the top of the shell (3), the lower end of the rotary shaft (5) is rotatably connected with the bottom of the shell (3) through a second rolling bearing, and the left end of the reciprocating screw rod (7) is rotatably connected with the left inner side wall of the shell (3) through a third rolling bearing.

5. An electric patrol car with an LED propaganda display screen according to claim 1, characterized in that the motor (6) is a speed reduction motor.