CN212171934U

CN212171934U - Lattice liquid crystal screen type instrument for beach vehicle

Info

Publication number: CN212171934U
Application number: CN202020578911.3U
Authority: CN
Inventors: 刘松; 任浩杰; 王睿; 郭延超; 王永强; 付超伟; 李金广; 陈松
Original assignee: Luoyang Tractor Research Institute Co ltd
Current assignee: Luoyang Tractor Research Institute Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-12-18
Anticipated expiration: 2030-04-17

Abstract

The utility model relates to a sandy beach car instrument application, specific dot matrix liquid crystal screen formula instrument for sandy beach car that says so. The instrument comprises a rear shell with an opening at the top and a transparent face cover covering the opening of the rear shell, wherein a pressing plate, an instrument sticking film, a lampshade and an instrument PCB (printed Circuit Board) are arranged in a cavity defined by the rear shell and the transparent face cover; a sealing concave-convex groove for inserting and matching the periphery of the transparent mask is arranged along the periphery of the top of the rear shell, and a waterproof ventilation valve is arranged at the bottom of the rear shell; the lampshade is fixed on the rear shell through a second screw, and the instrument PCB is clamped between the lampshade and the rear shell; the instrument pad pasting is pasted on the top side of lamp shade, and the clamp plate centre gripping is fixed between back shell and transparent face guard and is used for pressing the instrument pad pasting tightly on the lamp shade. The utility model discloses aim at long service life, show that the function is perfect and waterproof ventilation effect is good.

Description

Lattice liquid crystal screen type instrument for beach vehicle

Technical Field

The utility model relates to a sandy beach car instrument application, specific dot matrix liquid crystal screen formula instrument for sandy beach car that says so.

Background

At present, the electric control dune buggy becomes the mainstream trend in the field of non-road dune buggy, and the types of the applied electric control instrument products are diversified. The most used is coil type drive pointer mechanism in the market, and its instrument display function is accomplished by the position and the quantity of pilot lamp more, adopts many slotted project organization + rubber coating to guarantee the water-proof effects of instrument, mainly has following problem in the use: 1. the coil type driving pointer mechanism indicates inaccuracy along with the extension of the working life; 2. the display function of the electric control dune buggy instrument is limited to the position and the number of the indicator lamps; 3. the waterproof effect can reach the grade requirement, but the ventilation effect is not good, directly influences the life-span of instrument.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dot matrix liquid crystal screen formula instrument for sandy beach car, long service life shows that the function is perfect and waterproof ventilation effect is good.

In order to solve the technical problem, the utility model discloses a technical scheme be: a dot matrix liquid crystal screen type instrument for a beach vehicle comprises a rear shell with an opening at the top and a transparent face mask covering the opening of the rear shell, wherein a pressing plate, an instrument sticking film, a lampshade and an instrument PCB are arranged in a cavity enclosed by the rear shell and the transparent face mask; a sealing concave-convex groove for inserting and matching the periphery of the transparent mask is arranged along the periphery of the top of the rear shell, and a waterproof ventilation valve is arranged at the bottom of the rear shell; the lampshade is fixed on the rear shell through a second screw, and the instrument PCB is clamped between the lampshade and the rear shell; the instrument pad pasting is pasted on the top side of the lampshade, the pressing plate is clamped and fixed between the rear shell and the transparent mask and is used for tightly pressing the instrument pad pasting on the lampshade;

a direct current motor is arranged on the back side of the instrument PCB, and a dot matrix liquid crystal screen and an LED indicator lamp are arranged on the top side of the instrument PCB; the lamp shade is provided with a first dot matrix liquid crystal screen through hole corresponding to the dot matrix liquid crystal screen, a conical indicator lamp through hole corresponding to the LED indicator lamp, a pointer indicator lamp shade corresponding to an output shaft of the direct current motor and a direct current motor shaft through hole, and a pointer is connected after the output shaft of the direct current motor penetrates through the pointer indicator lamp shade and the direct current motor shaft through hole; the instrument pasting film is provided with a second dot matrix liquid crystal screen through hole corresponding to the first dot matrix liquid crystal screen through hole, a transparent film corresponding to the conical indicator lamp through hole and a dial corresponding to the indicator light cover and the direct current motor shaft through hole; and a third dot matrix liquid crystal screen through hole corresponding to the second dot matrix liquid crystal screen through hole, a strip-shaped hole corresponding to the transparent film and a pointer swing hole corresponding to the dial are arranged on the pressing plate.

Preferably, the periphery of the transparent mask is provided with steps distributed in an annular mode, and the step surfaces of the steps are matched with the upper edge of the rear shell to clamp and fix the pressing plate.

Preferably, the rear shell is connected with the transparent mask through a first screw, a first bottom screw hole for screwing and matching the first screw is formed in the periphery of the rear shell, and a first top perforation for penetrating and matching the first screw is formed in the periphery of the transparent mask.

Preferably, be equipped with a plurality of first bosss in the inner chamber of backshell, set up on the first boss and supply the second screw to screw complex second bottom screw, be equipped with a plurality of second bosss that correspond with first boss at the dorsal part of lamp shade, be equipped with on the second boss and supply the second screw to run through the complex second top and perforate, be equipped with in the peripheral position of instrument PCB board and supply the second screw to run through the complex third top and perforate.

Preferably, a sealing ring is arranged in the sealing concave-convex groove.

Advantageous effects

The utility model discloses peg graft with the form of sealed tongue and groove between well major structure's backshell and the transparent cover, still be equipped with waterproof ventilation valve in the backshell bottom, thereby make the utility model discloses in sealed good, still have good ventilation function, avoid influencing instrument life's problem because of the not good problem that leads to of ventilation effect.

The rear shell and the transparent face mask in the utility model are fixed by a first screw; the lampshade and the rear shell are fixed by a second screw, and the instrument PCB is clamped between the lampshade and the rear shell; clamp plate centre gripping is fixed between backshell and transparent cover, and instrument pad pasting centre gripping is fixed between clamp plate and instrument pad pasting, thereby makes the utility model provides a rationally distributed between each part, the structure is firm, and the dismouting maintenance convenience, does benefit to the messenger the utility model discloses adapt to the various complicated road conditions of sandy beach car in-process of advancing.

Additionally, through the utility model provides a pair of dot matrix LCD screen formula instrument for sandy beach vehicle can avoid coil type drive pointer mechanism to instruct inaccurate problem along with the extension of working life. Meanwhile, the problem that the display function of the instrument is limited to the positions and the number of the indicating lamps is solved by adopting the dot matrix liquid crystal screen.

Drawings

Fig. 1 is a longitudinal sectional view of the present invention;

FIG. 2 is a schematic top side view of the rear housing portion of the present invention;

FIG. 3 is a schematic view of the back side structure of the middle back shell portion of the present invention;

FIG. 4 is a schematic top side view of the instrument PCB board of the present invention;

FIG. 5 is a schematic view of the back side structure of the instrument PCB board of the present invention;

FIG. 6 is a schematic structural view of a lamp cover portion of the present invention;

FIG. 7 is a schematic structural view of a film portion of the instrument of the present invention;

FIG. 8 is a schematic structural view of the middle press plate of the present invention;

FIG. 9 is a schematic structural view of a transparent mask portion of the present invention;

fig. 10 is a top view of the present invention;

the labels in the figure are: 1. the transparent mask comprises 101, a first top through hole, 2, a pressing plate, 201, a third dot matrix liquid crystal screen through hole, 202, a pointer swing hole, 203, a strip-shaped hole, 3, an instrument pasting film, 301, a dial, 302, a second dot matrix liquid crystal screen through hole, 303, a transparent film, 4, a lampshade, 401, a second top through hole, 402, a first dot matrix liquid crystal screen through hole, 403, a pointer indicating lampshade and direct current motor shaft through hole, 404, a conical indicating lamp through hole, 5, an instrument PCB (printed circuit board), 501, a dot matrix liquid crystal screen, 502, an LED indicating lamp, 503, a direct current motor, 504, a third top through hole, 6, a rear shell, 601, a second bottom screw hole, 602, a sealing concave-convex groove, 603, a first bottom screw hole, 7 and a waterproof ventilation valve.

Detailed Description

As shown in fig. 1 and fig. 10, the utility model discloses a dot matrix liquid crystal screen formula instrument for sandy beach vehicle, major structure are the open backshell 6 in top and the open transparent face guard 1 in bottom, and the cooperation of pegging graft in the bottom of transparent face guard 1 sets up in the sealed tongue and groove 602 of backshell 6 top peripheral position and seals through the sealing washer. A waterproof ventilation valve 7 is arranged on the back side of the rear shell 6, so that a cavity formed by the rear shell 6 and the transparent mask 1 is waterproof and ventilated. The rear shell 6 and the transparent mask 1 are further connected by first screws, and as shown in fig. 2, first bottom screw holes 603 for screwing and matching of the first screws are formed in the periphery of the rear shell 6. As shown in fig. 9, a first top perforation hole 101 through which a first screw is fitted is provided on the outer periphery of the transparent mask 1. The first screw is screwed into the first bottom screw hole 603 after passing through the first top through hole 101, thereby fixing the rear case 6 and the transparent cover 1.

A pressing plate 2, an instrument pad pasting 3, a lampshade 4 and an instrument PCB 5 are sequentially arranged in a cavity formed by the rear shell 6 and the transparent mask 1 from top to bottom. The lampshade 4 is fixed on the rear shell 6 through a second screw, and the instrument PCB 5 is clamped between the lampshade 4 and the rear shell 6; the instrument pad pasting 3 is pasted on the top side of the lampshade 4, and the pressing plate 2 is clamped and fixed between the rear shell 6 and the transparent mask 1 and is used for tightly pressing the instrument pad pasting 3 on the lampshade 4.

As shown in fig. 2, a plurality of first bosses are provided in the inner cavity of the rear housing 6, and second bottom screw holes 601 for screwing and matching of second screws are provided on the first bosses. As shown in fig. 6, a plurality of second bosses corresponding to the first bosses are provided on the back side of the lamp housing 4, and second top through holes 401 for second screws to pass through are provided on the second bosses. As shown in fig. 5, a third top through hole 504 for a second screw to pass through is provided at an outer peripheral position of the meter PCB board 5. The second screw is screwed into the second bottom screw hole 601 after passing through the second top through hole 401 and the third top through hole 504 in sequence, so as to fix the lamp shade 4 and the instrument PCB panel 5 in the rear case 6.

As shown in fig. 1, the platen 2 has a zigzag structure and has a burring on the outer periphery of the upper portion. The periphery of the transparent mask 1 is provided with steps distributed in an annular shape, and the step surfaces of the steps are matched with the upper edge of the rear shell 6 to clamp and fix the flanging position of the pressure plate 2. So that the instrument attachment film 3 is held and fixed on the top side of the lamp housing 4 even if the position of the pressing plate 2 is fixed after the transparent cover 1 is fixed on the rear case 6 by the first screw.

As shown in fig. 4 and 5, a dc motor 503 is disposed on the back side of the meter PCB board 5, and a dot matrix liquid crystal screen 501 and an LED indicator 502 are disposed on the top side. As shown in fig. 6, the lamp cover 4 is provided with a first dot matrix liquid crystal display through hole 402, a conical indicator light through hole 404, a pointer indicator lamp cover and a direct current motor shaft through hole 403. As shown in fig. 7, the meter cover 3 is provided with a second dot matrix liquid crystal panel through hole 302, a transparent film 303, and a dial plate 301. As shown in fig. 8, the pressing plate 2 is provided with a third dot matrix liquid crystal panel through hole 201, a bar-shaped hole 203, and a pointer swing hole 202.

The lattice liquid crystal screen 501 on the instrument PCB board 5 sequentially passes through the first lattice liquid crystal screen through hole 402, the second lattice liquid crystal screen through hole 302 and the third lattice liquid crystal screen through hole 201, and is visible from the transparent cover 1. The LED indicator lamp 502 on the instrument PCB 5 sequentially penetrates through the conical indicator lamp through hole 404, the transparent film 303 and the strip-shaped hole 203 and is visible through the transparent mask 1. An output shaft of a direct current motor 503 on the instrument PCB 5 penetrates through an indicator lamp cover and a direct current motor shaft through hole 403, and then is connected with a pointer, the pointer is matched with a dial plate 301 on the instrument film 3 to display reading, and the reading is finally visible through a pointer swing hole 202 by the transparent mask 1.

Claims

1. A dot matrix liquid crystal screen type instrument for a beach vehicle is characterized in that: the instrument comprises a rear shell (6) with an opening at the top and a transparent mask (1) covering the opening of the rear shell (6), wherein a pressing plate (2), an instrument sticking film (3), a lampshade (4) and an instrument PCB (printed circuit board) (5) are arranged in a cavity enclosed by the rear shell (6) and the transparent mask (1); a sealing concave-convex groove (602) for inserting and matching the periphery of the transparent mask (1) is arranged along the periphery of the top of the rear shell (6), and a waterproof ventilation valve (7) is arranged at the bottom of the rear shell (6); the lampshade (4) is fixed on the rear shell (6) through a second screw, and the instrument PCB (5) is clamped between the lampshade (4) and the rear shell (6); the instrument pasting film (3) is pasted on the top side of the lampshade (4), and the pressing plate (2) is clamped and fixed between the rear shell (6) and the transparent mask (1) and used for tightly pressing the instrument pasting film (3) on the lampshade (4);

a direct current motor (503) is arranged on the back side of the instrument PCB (5), and a dot matrix liquid crystal screen (501) and an LED indicator lamp (502) are arranged on the top side of the instrument PCB; a first lattice liquid crystal screen through hole (402) corresponding to the lattice liquid crystal screen (501), a conical indicator lamp through hole (404) corresponding to the LED indicator lamp (502) and a pointer indicator lamp cover and a direct current motor shaft through hole (403) corresponding to an output shaft of the direct current motor (503) are arranged on the lamp cover (4), and a pointer is connected to the output shaft of the direct current motor (503) after penetrating through the pointer indicator lamp cover and the direct current motor shaft through hole (403); the instrument pasting film (3) is provided with a second dot matrix liquid crystal screen through hole (302) corresponding to the first dot matrix liquid crystal screen through hole (402), a transparent film (303) corresponding to the conical indicator light through hole (404) and a dial (301) corresponding to the indicator light cover and the direct current motor shaft through hole (403); the pressing plate (2) is provided with a third dot matrix liquid crystal screen through hole (201) corresponding to the second dot matrix liquid crystal screen through hole (302), a strip-shaped hole (203) corresponding to the transparent film (303) and a pointer swing hole (202) corresponding to the dial (301).

2. The lattice liquid crystal screen type instrument for the beach vehicle of claim 1, which is characterized in that: the periphery of the transparent face mask (1) is provided with steps distributed in an annular manner, and the step surfaces of the steps are matched with the upper edge of the rear shell (6) to clamp the fixed pressing plate (2).

3. The lattice liquid crystal screen type instrument for the beach vehicle of claim 1, which is characterized in that: the rear shell (6) is connected with the transparent mask (1) through a first screw, a first bottom screw hole (603) for screwing and matching the first screw is formed in the periphery of the rear shell (6), and a first top through hole (101) for penetrating and matching the first screw is formed in the periphery of the transparent mask (1).

4. The lattice liquid crystal screen type instrument for the beach vehicle of claim 1, which is characterized in that: be equipped with a plurality of first bosss in the inner chamber of backshell (6), set up on the first boss and supply the second screw to screw complex second bottom screw (601), be equipped with a plurality of second bosss that correspond with first boss at the dorsal part of lamp shade (4), be equipped with on the second boss and supply the second screw to run through complex second top and perforate (401), be equipped with in the peripheral position of instrument PCB board (5) and supply the second screw to run through complex third top and perforate (504).

5. The lattice liquid crystal screen type instrument for the beach vehicle of claim 1, which is characterized in that: a sealing ring is arranged in the sealing concave-convex groove (602).