Main wire harness plugging structure of electric vehicle instrument

Abstract

The utility model discloses a main wire harness plugging structure of an electric vehicle instrument, which belongs to an instrument circuit connection structure and comprises an instrument shell, a bar-shaped bus slot is arranged at the bottom of the instrument shell, a bus connector is arranged in the instrument shell and used for being electrically connected with a main circuit board of the instrument shell, and the bar-shaped bus slot is connected with the bus connector. The bus connector corresponds to the position of the bar-shaped bus slot, and the bar-shaped bus slot is used for being fixedly connected with a bus plug in an inserted mode, so that the bus plug is electrically connected with the bus connector. The bar-shaped bus slot is designed at the bottom of the instrument shell and further can be matched with the bus connector in the instrument shell, so that the bus plug can be electrically connected with the instrument main circuit board through the bus connector, and compared with a traditional mode that a wire is matched with a D-shaped plug connector, the bus plug connection mode can remarkably improve the plug connection stability, and the plug connection reliability is improved. And poor contact caused by loosening in use is avoided.

Description

Technical Field

[0001] The utility model relates to a connection structure of instrument lines. More specifically, the utility model mainly relates to a plug - in structure of the main wire harness of an electric vehicle instrument. Background Art

[0002] Generally, the electric vehicle instrument adopts an integral structure design. Limited by its structure, the current connection of the lines on the main circuit board of the instrument uses multiple wires and is connected to the total wire harness of the electric vehicle through D - type connectors, which greatly wastes materials. Moreover, due to the poor contact of the D - type connectors, abnormal instrument displays frequently occur, which is not conducive to the use and assembly of electric vehicles. Therefore, it is necessary to redesign and research the wire harness connection structure of the electric vehicle instrument. Summary of the Utility Model

[0003] One of the purposes of the utility model is to provide a plug - in structure of the main wire harness of an electric vehicle instrument in view of the above - mentioned deficiencies, in order to solve the technical problems such as the circuit of the main circuit board of the existing instrument being connected by wires and the D - type connectors being prone to looseness and resulting in poor contact.

[0004] To solve the above - mentioned technical problems, the utility model adopts the following technical solutions:

[0005] A plug - in structure of the main wire harness of an electric vehicle instrument provided by the utility model includes an instrument housing. A strip - shaped bus slot is provided at the bottom of the instrument housing. A bus connector is provided inside the instrument housing. The bus connector is used for electrically connecting with the main circuit board of the instrument housing. The position of the bus connector corresponds to that of the strip - shaped bus slot. The strip - shaped bus slot is used for plugging and fixing with a bus plug, so that the bus plug is electrically connected with the bus connector.

[0006] As a preference, a further technical solution is: A metal conductor is provided inside the strip - shaped bus slot. The metal conductor is electrically connected with the electrode end of the bus connector. The electrode end of the bus connector is also electrically connected with the main circuit board of the instrument housing.

[0007] A further technical solution is: A retaining buckle is provided on one side of the strip - shaped bus slot. A slot corresponding to the retaining buckle is provided on the bus plug.

[0008] A further technical solution is: The retaining buckle is located in the middle of one side of the strip - shaped bus slot.

[0009] A further technical solution is: The bus connector is a 5557 - 16P strip - shaped connector, and the bus plug is a 5557 - 16P plug.

[0010] Compared with the prior art, one of the beneficial effects of the present utility model is that by designing a strip bus slot at the bottom of the instrument housing, it can cooperate with the bus connector inside the instrument housing, enabling the bus plug to be electrically connected to the main circuit board of the instrument through the bus connector. Compared with the traditional method of using wires and D-shaped connectors, the bus plugging method can significantly improve the plugging stability and avoid poor contact caused by loosening during use. At the same time, the main wire harness plugging structure of an electric vehicle instrument provided by the present utility model is simple and easy to implement, suitable for use on various specifications of electric vehicle instruments, and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 FIG. is a schematic structural diagram for illustrating an embodiment of the present utility model.

[0012] Figure 2 is Figure 1 exploded view of the components of.

[0013] Figure 3 is Figure 1 longitudinal sectional view of.

[0014] Figure 4 FIG. is a schematic structural diagram for illustrating another embodiment of the present utility model.

[0015] In the figure, 1 is the instrument housing, 2 is the strip bus slot, 3 is the bus connector, 4 is the main circuit board, 5 is the metal conductor, and 6 is the anti-loosening buckle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The present utility model will be further described below in conjunction with the accompanying drawings.

[0017] Referring to Figure 1 shown, an embodiment of the present utility model is a main wire harness plugging structure of an electric vehicle instrument, including an instrument housing 1. Referring to Figure 2 shown, a strip bus slot 2 is provided at the bottom of the aforementioned instrument housing 1. The strip bus slot 2 can be injection-molded together with the instrument housing 1. A bus connector 3 can also be preset inside the instrument housing 1. The bus connector 3 can adopt a 5557-16P strip connector on the market. It is electrically connected to the main circuit board 4 of the instrument housing 1 through the bus connector 3 to realize the mutual transmission of signals. At the same time, the installation position of the bus connector 3 inside the instrument housing needs to correspond to the strip bus slot 2, so that the strip bus slot 2 can be plugged and fixed with a bus plug (not shown in the figure), enabling the bus plug to be electrically connected to the bus connector 3. At the same time, the aforementioned bus plug can also correspond to the bus connector 3 and adopt a 5557-16P plug on the market.

[0018] Referring to Figure 3As shown, in order to avoid the problem that the bus connector 3 and the bus plug are not easily in contact due to the excessive depth of the injection-molded strip bus slot, the inventor also added a metal conductor 5 inside the strip bus slot 2. The metal conductor 5 is electrically connected to the electrode end of the bus connector 3, and at the same time, the electrode end of the bus connector 3 is also electrically connected to the main circuit board 4 of the instrument housing 1. Thus, the metal conductor 5 plays a role of transmission and bridging between the bus connector 3 and the bus plug.

[0019] In this embodiment, by designing the strip bus slot 2 at the bottom of the instrument housing, it can cooperate with the bus connector 3 inside the instrument housing 1, enabling the bus plug to be electrically connected to the main circuit board 4 of the instrument through the bus connector 3. Compared with the traditional method of using wires and D-shaped connectors, the bus plugging method can significantly improve the plugging stability and avoid poor contact caused by loosening during use.

[0020] Reference Figure 4 As shown, according to another embodiment of the present invention, in order to further improve the stability of the bus plug plugged on the strip bus slot 2, the inventor also added a retaining buckle 6 on one side of the above strip bus slot 2. Correspondingly, a slot corresponding to the retaining buckle 6 was also added to the bus plug. And the retaining buckle 6 is located in the middle of one side of the strip bus slot 2 to ensure that the bus plug does not shift after being buckled.

[0021] It should be noted that the above bus connector 3 and bus plug can both adopt the commercially available 5557-16P strip connector and 5557-16 plug, and the main circuit board of the electric vehicle instrument is the same as that of the existing similar electric vehicle instruments. Therefore, in this specification, the 5557-16P strip connector and 5557-16 plug, as well as their signal transmission methods and principles with the main circuit board, will not be elaborated. The purpose of the present invention is not here either. Those skilled in the art can reproduce the present invention by referring to the signal transmission principles of the same type of bus connectors and instruments on the market.

[0022] Reference Figure 1 As shown, in actual use of the above preferred embodiment of the present invention, the bus connector 3 inside the instrument housing 1 is pre-contacted with the metal conductor 5 inside the strip bus slot 2 and is electrically connected to the main circuit board 4 at the same time. When the bus plug is inserted into the strip bus slot 2, the electrodes inside the bus plug are in contact with the aforementioned metal conductor 5, and then are electrically connected to the aforementioned main circuit board 4 through the bus connector 3. And the retaining buckle 6 on the strip bus slot 2 is engaged with the slot on the bus plug to further prevent the bus plug from loosening from the strip bus slot 2.

[0023] As used in this specification, "one embodiment", "another embodiment", "an embodiment", etc. refer to a specific feature, structure, or characteristic described in connection with that embodiment being included in at least one embodiment generally described in this application. The same expression appearing in multiple places in the specification does not necessarily refer to the same embodiment. Further, when describing a specific feature, structure, or characteristic in connection with any embodiment, it is intended that the implementation of such feature, structure, or characteristic in connection with other embodiments also fall within the scope of the present utility model.

[0024] Although the present utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that those skilled in the art can devise many other modifications and embodiments that will fall within the scope of the principles of this application as disclosed. More specifically, within the scope of the disclosure of this application, the drawings, and the claims, various variations and improvements can be made to the components and / or layout of the subject combination layout. In addition to the variations and improvements to the components and / or layout, other uses will also be apparent to those skilled in the art.

Claims

1. A main wire harness plugging structure for an electric vehicle instrument, comprising an instrument housing (1), characterized in that: A strip bus slot (2) is provided at the bottom of the instrument housing (1). A bus connector (3) is provided inside the instrument housing (1). The bus connector (3) is used for electrically connecting with the main circuit board (4) of the instrument housing (1). The bus connector (3) corresponds to the position of the strip bus slot (2). The strip bus slot (2) is used for plugging and fixing with a bus plug, so that the bus plug is electrically connected with the bus connector (3).

2. The main wire harness plugging structure of the electric vehicle instrument according to claim 1, characterized in that: A metal conductor (5) is provided inside the strip bus slot (2). The metal conductor (5) is electrically connected with the electrode end of the bus connector (3). The electrode end of the bus connector (3) is also electrically connected with the main circuit board (4) of the instrument housing (1).

3. The main wire harness plug-in structure of the electric vehicle instrument according to claim 1, characterized in that: A backstop buckle (6) is provided on one side of the strip bus slot (2). A card slot corresponding to the backstop buckle (6) is provided on the bus plug.

4. The main wire harness plug-in structure of the electric vehicle instrument according to claim 3, wherein: The backstop buckle (6) is located in the middle of one side of the strip bus slot (2).

5. The main wire harness plug-in structure of the electric vehicle instrument according to claim 1, wherein: The bus connector (3) is a 5557-16P strip connector, and the bus plug is a 5557-16P plug.

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