Instrument circuit board for automotive electronics

Abstract

The utility model discloses an instrument circuit board for automotive electronics, which comprises a fixed outer frame, the top of the fixed outer frame is provided with a storage cavity, a circuit board body is placed in the storage cavity, guide rods are movably arranged at the positions, close to four corners, of the circuit board body, the top ends of the guide rods are in threaded connection with limiting rings, and the limiting rings are in threaded connection with the guide rods. A plurality of bent elastic metal pieces are bonded to the bottom of the interior of the storage cavity, rubber pads are fixedly connected to the tops of the bent elastic metal pieces, and two limiting grooves matched with the limiting rings are symmetrically formed in the two sides of the interior of the storage cavity. According to the utility model, through the cooperation of the guide rod and the limiting ring, the circuit board body can be rapidly and accurately installed in the fixed outer frame, during installation, the guide rod only needs to pass through the circular hole of the circuit board body and is fixed through the threaded groove, and then the limiting ring is shifted clockwise to enter the limiting groove, so that the installation can be completed; by means of the design, installation steps are greatly simplified, and installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a circuit board technical field, concretely is a kind of for the instrument circuit board of automobile electronics. BACKGROUND

[0002] Automobile electronic instrument circuit board is the key component in automobile electronic system, for connecting and controlling various electronic devices and sensor. With the continuous improvement of the degree of automobile electronics, the complexity and functional requirements of instrument circuit board are also increasing. Traditional instrument circuit board usually adopts fixed installation mode, is fixed in the instrument panel of car by screw or buckle. Although this design can meet the basic installation demand, there are some defects in actual use:

[0003] 1. Installation is complex: the installation process of traditional instrument circuit board is more tedious, needs multiple steps and tools, increases installation time and cost.

[0004] 2. Poor heat dissipation: components on circuit board generate heat when working, and poor heat dissipation will affect the performance and life of components.

[0005] 3. Poor shock resistance: the car will encounter various bumps and vibrations during driving, and traditional fixed installation mode may cause components on circuit board to loosen or damage. INVENTION CONTENTS

[0006] The utility model aims at providing a kind of for the instrument circuit board of automobile electronics to solve the problems presented in the above background technology.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of for the instrument circuit board of automobile electronics, including fixed outer frame, the top of the fixed outer frame is equipped with storage cavity, the circuit board plate body is placed in the storage cavity, the circuit board plate body is movably provided with guide rod in the position of four corners, the top of the guide rod is threadedly connected with limit ring, the bottom of the storage cavity is attached with several curved elastic metal pieces, the top of the curved elastic metal piece is fixedly connected with rubber pad, the both sides of the storage cavity are symmetrically provided with two limit grooves matched with limit ring.

[0008] The rear side of the fixed outer frame is equipped with several heat dissipation grooves.

[0009] The rear side of the limit ring is fixedly provided with wear-resistant pad.

[0010] The front side of the circuit board plate body is equipped with round hole matched with guide rod in the position of four corners.

[0011] The bottom of the storage cavity is provided with four thread grooves matched with guide rod, and the top of the rubber pad is in contact with the circuit board plate body.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The utility model discloses a cooperation of guide rod and limit ring, and the circuit board body can be installed into the fixed outer frame quickly and accurately, during installation, only the guide rod is passed through the round hole of the circuit board body, is fixed through the screw groove, then the limit ring is turned clockwise and is made to enter the limit slot, can complete installation, this design greatly simplifies the installation step, improves installation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the top view of the utility model;

[0015] Figure 2 It is the top view of the circuit board body of the utility model;

[0016] Figure 3 It is the front view section of the utility model;

[0017] Figure 4 It is the three -dimensional schematic diagram of the fixed outer frame of the utility model;

[0018] Figure 5 It is the schematic diagram of the limit ring of the utility model.

[0019] In the drawing: 1, fixed outer frame;2, circuit board body;3, guide rod;4, limit ring;5, heat dissipation groove;6, screw groove;7, limit slot;8, storage cavity;9, curved elastic metal piece;10, wear pad;11, rubber pad. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of the utility model protection.

[0021] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a kind of instrument circuit board for automobile electronics, including fixed outer frame 1, the top of fixed outer frame 1 is equipped with storage cavity 8, circuit board body 2 is placed in storage cavity 8, guide rod 3 is movably arranged in the position of the four corners of circuit board body 2, the top of guide rod 3 is threadedly connected with limit ring 4, the bottom in storage cavity 8 is attached with several curved elastic metal pieces 9, the top of curved elastic metal piece 9 is fixedly connected with rubber pad 11, two limit slots 7 matched with limit ring 4 are symmetrically arranged in the two sides in storage cavity 8.

[0022] The rear side of the fixed outer frame 1 is provided with a plurality of heat dissipation grooves 5, which are arranged to facilitate the heat dissipation of the heat generated by the components on the circuit board body 2.

[0023] The rear side of the limiting ring 4 is fixedly provided with a wear-resistant pad 10, which reduces the wear of the circuit board body 2.

[0024] The front side of the circuit board body 2 is provided with a circular hole at each corner, which is matched with the guide rod 3.

[0025] The bottom of the storage cavity 8 is provided with four threaded grooves 6 matched with the guide rod 3, which facilitates the installation of the bottom of the guide rod 3.

[0026] During installation, the circuit board body 2 is first placed in the storage cavity 8, and then the circuit board body 2 is slightly pressed down, and the four guide rods 3 are inserted through the circular holes and installed in the storage cavity 8 through the threaded grooves 6.

[0027] It should be noted that in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An instrument panel wiring board for automotive electronics comprising a fixed outer frame (1), characterized in that: The top of the fixed outer frame (1) is provided with a storage cavity (8), the circuit board body (2) is placed in the storage cavity (8), the circuit board body (2) is movably provided with a guide rod (3) at the corner position, the top of the guide rod (3) is threadedly connected with a limiting ring (4), a plurality of bent elastic metal pieces (9) are bonded on the bottom of the storage cavity (8), the top of the bent elastic metal piece (9) is fixedly connected with a rubber pad (11), and the two sides of the storage cavity (8) are symmetrically provided with two limiting grooves (7) matched with the limiting ring (4).

2. The instrument panel wiring board for automotive electronics according to claim 1, wherein: The rear side of the fixed outer frame (1) is provided with a plurality of heat dissipation grooves (5).

3. The instrument panel wiring board for automotive electronics according to claim 1, wherein: The rear side of the limiting ring (4) is fixedly provided with a wear-resistant pad (10).

4. The instrument panel wiring board for automotive electronics according to claim 1, wherein: The front side of the circuit board body (2) is provided with a circular hole matched with the guide rod (3) at the corner position.

5. The instrument panel wiring board for automotive electronics according to claim 1, wherein: The bottom of the storage cavity (8) is provided with four threaded grooves (6) matched with the guide rod (3), and the top of the rubber pad (11) is in contact with the circuit board body (2).

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