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CN-122008851-A - Instrument pointer mounting structure

CN122008851ACN 122008851 ACN122008851 ACN 122008851ACN-122008851-A

Abstract

The invention relates to the technical field of instrument panels, in particular to an instrument pointer mounting structure, which comprises a shell, wherein a display mechanism is mounted on the shell, the display mechanism comprises a dial plate, the dial plate is mounted on the shell, an indicating mechanism is mounted on the dial plate, a protection mechanism and a fixing mechanism are mounted on the shell, and a connecting mechanism is mounted on the shell; through display mechanism and indicating mechanism's installation, realize showing driving data, be convenient for observe speed and each item performance of vehicle, the installation is stable can not take off simultaneously, and be convenient for assemble, through protection machanism's installation, do benefit to the display mechanism installation stability, and play shielding protection effect, both play dustproof effect simultaneously, the automotive interior degree of pleasing to the eye has been optimized again, it is convenient to dismantle the maintenance, through fixing mechanism and coupling mechanism's installation, make casing and instrument desk installation firm, make the installation stable between display mechanism and the casing simultaneously.

Inventors

  • CHEN SHAOMENG
  • LI WEIBIAO
  • CHEN SHAOXIONG
  • XIAO SHUKAI

Assignees

  • 深圳市锋泽微芯电子有限公司

Dates

Publication Date
20260512
Application Date
20260409

Claims (8)

  1. 1. The instrument pointer installation structure comprises a shell (1) and is characterized in that a display mechanism (5) is installed on the shell (1), the display mechanism (5) comprises a dial plate (501), the dial plate (501) is installed on the shell (1), an indicating mechanism (6) is installed on the dial plate (501), a protection mechanism (2) and a fixing mechanism (3) are installed on the shell (1), and a connecting mechanism (4) is installed on the shell (1); The indicating mechanism (6) comprises a stepping motor (607), two stepping motors (607) are mounted on the inner side of the bottom of the shell (1), the output shafts of the two stepping motors (607) extend to the top of the dial plate (501) through a through hole (603), the output shafts of the two stepping motors (607) are respectively connected with a connecting rod (605), a hollow rod (606) is mounted on the top of the connecting rod (605), a pointer body (608) is mounted on the top of the hollow rod (606), and the pointer body (608) is rotationally connected with the top of the dial plate (501) through the stepping motors (607).
  2. 2. The meter pointer installation structure according to claim 1, wherein the pointer body (608) is provided with a pointer housing (601), the pointer housing (601) is provided with a pointer top cover (602), the pointer top cover (602) is made of a colored transparent material, the outer side of the stepping motor (607) is provided with a motor housing (604), and the motor housing (604) is detachably connected with the shell (1).
  3. 3. The instrument pointer installation structure according to claim 2, wherein the circuit board (503) is installed on the shell (1), the dial plate (501) is located at the top of the circuit board (503), the plurality of indicator lamps (504) are installed on the circuit board (503), the display screen (502) is connected to the circuit board (503) in a clamping mode through the clamping pins (505), and the socket (506) is installed on the circuit board (503).
  4. 4. The instrument pointer installation structure according to claim 1, wherein the protection mechanism (2) comprises a housing (201), the housing (1) is connected with the housing (201) in a clamping manner, the housing (201) is connected with a transparent plate (202) in a clamping manner, the bottom of the housing (1) is connected with a bottom plate (203), the bottom plate (203) is provided with a connecting hole (204), and a sealing strip (205) is installed at the joint of the housing (201), the transparent plate (202) and the housing (1).
  5. 5. The instrument pointer installation structure according to claim 4, wherein the fixing mechanism (3) comprises a buckle (301), the buckle (301) is respectively installed at the bottom edges of the transparent plate (202) and the housing (201), the buckle (301) is of an L-shaped structure, the bottom of the buckle (301) is of a trapezoid structure, the outer edges of the housing (201) and the housing (1) are respectively provided with a clamping groove (302), and the buckle (301) is clamped with the clamping groove (302).
  6. 6. The meter pointer installation structure according to claim 5, wherein the outer sides of the shell (1) and the housing (201) are provided with guide grooves (303), the guide grooves (303) are located at the bottoms of the clamping grooves (302), and one side of the bottoms of the clamping buckles (301) is in sliding connection with the inner sides of the guide grooves (303).
  7. 7. The meter pointer installation structure according to claim 4, wherein the connecting mechanism (4) comprises a fixing plate (401), the fixing plate (401) is installed at the edges of two ends of the housing (201), and fixing holes (402) are formed in the fixing plate (401).
  8. 8. The meter pointer installation structure according to claim 7, wherein a positioning hole (404) is formed in the edge of one side of the housing (201), a positioning pin (403) is installed at the top edge of the housing (1), and the housing (201) is engaged with the positioning pin (403) through the positioning hole (404).

Description

Instrument pointer mounting structure Technical Field The invention relates to the technical field of instrument panels, in particular to an instrument pointer installation structure. Background The instrument panel is a key man-machine interaction interface for motor vehicles, mechanical equipment, etc. to display operating conditions and data. The pointer type instrument has visual indication and high identification degree, and is widely applied to core instruments such as a speedometer, a tachometer and the like of a vehicle. The pointer of the pointer type instrument is usually mounted on an output shaft of a stepping motor, and the pointer is driven to rotate on a dial scale by rotation of the motor to indicate the corresponding physical quantity. Existing pointer mounting structures often suffer from the following disadvantages: the pointer is connected with the driving shaft by adopting simple interference fit or adhesion, and is easy to loose, deviate and even fall off under the environment of long-term vibration or temperature change, so that indication misalignment is caused, and driving safety is influenced; The integral assembly of the instrument usually depends on a plurality of screws for fixation, and the assembly and disassembly steps are complicated, so that the maintenance or replacement of an internal light source, a circuit or a pointer mechanism is inconvenient in the later period; The sealing performance between the protective cover (such as a transparent panel) and the shell of the instrument is often poor, dust and water vapor are easy to invade, and the service life and display definition of internal components are influenced; The installation mode of the whole instrument module and the vehicle instrument desk is single, and the quick positioning and error proofing design possibly lacks, so that the installation efficiency is required to be improved. Therefore, it is necessary to design an instrument pointer installation structure which is more reliable in structure, convenient to assemble, good in sealing performance and convenient to maintain. Disclosure of Invention Aiming at the problems in the prior art, the invention provides an instrument pointer installation structure. The technical scheme includes that the instrument pointer installation structure comprises a shell, wherein a display mechanism is installed on the shell, the display mechanism comprises a dial plate, the dial plate is installed on the shell, an indicating mechanism is installed on the dial plate, a protection mechanism and a fixing mechanism are installed on the shell, and a connecting mechanism is installed on the shell. Specifically, the indicating mechanism comprises a stepping motor, two stepping motors are mounted on the inner side of the bottom of the shell, the output shafts of the two stepping motors extend to the top of the dial plate through holes, the output shafts of the two stepping motors are respectively connected with a connecting rod, a hollow rod is mounted on the top of the connecting rod, a pointer body is mounted on the top of the hollow rod, and the pointer body is rotationally connected with the top of the dial plate through the stepping motors. Specifically, install the pointer shell on the pointer body, install the pointer top cap on the pointer shell, the pointer top cap is the coloured printing opacity material, motor housing is installed in the step motor outside, motor housing and casing detachable connection. Specifically, install the circuit board on the casing, the dial plate is located circuit board top, install a plurality of pilot lamps on the circuit board, be connected with the display screen through bayonet lock block on the circuit board, install the socket on the circuit board. Specifically, the protection machanism includes the housing, the block is connected with the housing on the casing, the housing block is connected with the transparent plate, the casing bottom is connected with the bottom plate, be equipped with the connecting hole on the bottom plate, the sealing strip is installed to housing and transparent plate and casing junction. Specifically, fixed establishment includes the buckle, the buckle is installed respectively to transparent plate and housing bottom edge, the buckle is "L" shape structure, the buckle bottom is trapezium structure, housing and casing outside edge do not are equipped with the draw-in groove, buckle and draw-in groove block. Specifically, the shell and the outer side of the housing are provided with guide grooves, the guide grooves are positioned at the bottom of the clamping groove, and one side of the bottom of the clamping buckle is in sliding connection with the inner side of the guide grooves. Specifically, coupling mechanism includes the fixed plate, the fixed plate is installed to housing both ends edge, be equipped with the fixed orifices on the fixed plate, housing one side edge is equipped with the locating hole, the locati