A wire harness terminal for a streaming rearview mirror

Abstract

The utility model provides a kind of wire harness terminal for streaming media rearview mirror, including shell, the shell inside is equipped with accommodating cavity, shell includes plug-in portion, fixed portion and connecting portion in proper order, the plug-in portion is cylindrical structure, and the outer periphery of cylinder is equipped with multiple positioning strips extending along the axis direction, the top of the fixed portion is equipped with elastic locking arm, the both sides of the elastic locking arm are equipped with limit boss respectively, and the limit boss and shell side wall form guiding gap, fixed portion outer wall can be embedded auxiliary magnetic attraction piece, and the side of fixed portion away from locking arm can be provided with fixed slot, fixed card and positioning groove. The structure is realized plug-in positioning, guiding limiting and mechanical locking integrated design by integrated injection molding shell, can realize the stable assembly and quick fixing of terminal in limited space, improve the stability and installation reliability of wire harness connection.

Description

Technical Field

[0001] This utility model relates to the field of automotive wiring harness technology, and in particular to a wiring harness terminal for a streaming media rearview mirror. Background Technology

[0002] With the rapid development of intelligent vehicles and driver assistance technologies, streaming rearview mirrors are gradually replacing traditional optical reflective rearview mirrors, becoming an important component of in-vehicle vision systems. Streaming rearview mirrors typically use cameras to capture images of the area behind the vehicle and transmit them to a display screen for real-time display via high-speed signal harnesses. To ensure the stability and interference resistance of video signal transmission, the harness terminals typically employ high-speed data connectors with high shielding performance and stable connection.

[0003] Existing wiring harness terminal housings mostly adopt a one-piece plastic structure, and their insertion parts typically only have basic insertion and removal positioning functions, making it difficult to achieve stable mechanical locking within a limited space. While some structures do incorporate locking mechanisms, these are separate from the housing, resulting in complex structures, numerous assembly steps, and a tendency to loosen over long-term use. Furthermore, to accommodate the narrow interior space of a streaming rearview mirror, the wiring harness terminals need to provide good guidance and limiting functions while ensuring insertion accuracy, preventing the terminal components from misaligning or jamming during insertion and removal. In addition, existing structures primarily rely on frictional engagement during insertion and removal, lacking auxiliary limiting and anti-loosening measures, leading to insufficient connection reliability. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a wiring harness terminal for a streaming media rearview mirror to solve the problems mentioned in the background art.

[0005] The technical solution adopted by this utility model to solve its technical problem is: a wiring harness terminal for a streaming media rearview mirror, including a housing, the housing having an internal cavity, the housing sequentially including a plug-in part, a fixing part and a connecting part, the plug-in part being a cylindrical structure, the outer circumference of the cylinder having multiple positioning strips extending axially, the fixing part having an elastic locking arm above it, the elastic locking arm having limiting bosses on both sides, and a guide gap being formed between the limiting bosses and the side wall of the housing.

[0006] Optionally, the outer wall of the fixing part is provided with an auxiliary magnetic block.

[0007] Furthermore, a buckle is provided above the insertion part of the outer shell, and a locking platform is provided above the buckle.

[0008] Furthermore, the inner wall of the front end of the receiving cavity of the insertion part is provided with multiple guide rings, which are inclined towards the receiving cavity, and chamfers are respectively opened at both ends of the guide rings.

[0009] Optionally, the fixing part has a fixing slot on the side opposite to the elastic locking arm, and the fixing slot is connected to the fixing part.

[0010] Optionally, the fixing slot is provided with a fixing card and a positioning groove, and the fixing card extends toward the fixing part.

[0011] Furthermore, the outer shell is integrally injection molded.

[0012] The beneficial effects of this utility model are:

[0013] (1) The present invention provides an elastic locking arm and a limiting guide structure on the outer shell, so that the terminal can be guided along a predetermined direction and maintain a positioning state during the insertion process, thereby avoiding terminal jamming or damage caused by insertion and removal deviation, and improving insertion accuracy and structural stability.

[0014] (2) The present invention provides a magnetic attraction structure in the fixing part, which can form an additional fixing constraint when the terminal and the fixing seat are engaged, reducing the risk of the outer shell loosening, thereby enhancing the connection reliability.

[0015] (3) The present invention provides a fixing slot and an internal positioning structure in the fixing part, so that the terminal assembly can be firmly held inside the shell, which facilitates assembly and positioning, and further improves the stability and consistency of the whole machine assembly. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of Embodiment 1 of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of Embodiment 2 of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of Embodiment 3 of this utility model;

[0019] The figure shows: 1. Insertion part; 11. Positioning strip; 12. Buckle; 13. Card platform; 14. Guide ring; 2. Fixing part; 21. Elastic locking arm; 22. Limiting boss; 23. Fixing slot; 24. Fixing card; 25. Positioning groove; 3. Connecting part; 4. Receiving cavity; 5. Auxiliary magnetic block. Detailed Implementation

[0020] The present invention will now be further described with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0021] Example 1

[0022] like Figure 1As shown, a wiring harness terminal for a streaming media rearview mirror includes a housing, which is integrally injection molded. The integrally injection molded housing eliminates assembly gaps between components during molding, has continuous wall thickness, and smooth transitions, facilitating a reduction in the number of parts while maintaining dimensional consistency and achieving overall strength matching the internal structure. The housing sequentially includes a plug-in portion 1, a fixing portion 2, and a connecting portion 3. An internal receiving cavity 4 is provided inside the housing, passing through the plug-in portion 1 and the fixing portion 2 and extending to the connecting portion 3. This cavity 4 accommodates the terminal body, insulating components, and conductor ends connected to the wiring harness, and provides an inner wall reference surface for the axial and radial positioning of these components.

[0023] Specifically, the insertion part 1 has a cylindrical structure. Multiple axially extending positioning strips 11 are provided on the outer circumference of the cylinder. These positioning strips 11 include two first positioning strips 111 located above the insertion part and several second positioning strips 112 distributed around the cylinder. The radial height and axial length of the first positioning strips 111 are greater than those of the second positioning strips 112. The first positioning strips 111 serve as primary key positions, defining the insertion angle and relative orientation. The second positioning strips 112 serve as auxiliary key positions, engaging with the corresponding grooves of the mating parts during insertion to limit circumferential oscillation. The inner wall of the cylinder (i.e., the inner wall of the receiving cavity 4 of the insertion part) has multiple guide rings 14 at its front end. The guide rings 14 are inclined inwards towards the receiving cavity 4, and chamfers are formed at both ends. These inclined sections and chamfers together constitute a stepped entrance profile that decreases in size, used for circumferential guidance and radial limitation of the front end of the inserted component, and to transition the insertion path from the entrance to the working mating section. A mounting plate 12 is provided above the insertion part 1. The mounting plate 12 is a support part integrally formed with the upper surface of the outer shell. The buckle 13 is located above the support part and arranged along the axial direction. The mounting plate 12 provides the mounting surface of the buckle 13 and the limiting boundaries on both sides, so that the buckle 13 can be at a predetermined height and axial position relative to the insertion part 1 so as to cooperate with the corresponding structure of the mating part.

[0024] An elastic locking arm 21 is provided above the fixing part 2. The elastic locking arm 21 is integrally connected to the rear part of the locking table 12. Limiting protrusions 22 are provided on both sides of the elastic locking arm 21. A guide gap is formed between the limiting protrusions 22 and the side wall of the outer shell, so that the lower part of the elastic locking arm 21 is a cavity structure. The rear end of the elastic locking arm 21 is provided with an arc-shaped protrusion to form a pressing operation surface and generate a recoverable elastic displacement along the cavity direction when force is applied.

[0025] Example 2

[0026] like Figure 2As shown, the difference between this embodiment and the first embodiment described above is that an auxiliary magnetic block 5 is provided on the outer wall of the fixing part 2. The auxiliary magnetic block 5 is preferably made of a permanent magnet material, such as sintered neodymium iron boron or ferrite magnet. Its shape matches the outer wall of the fixing part 2, and the fixing part 2 has corresponding receiving positions for the magnets to be embedded. The auxiliary magnetic block 5 is embedded and connected to the receiving positions or fixed with adhesive. The exposed surface of the auxiliary magnetic block 5 can be provided with a protective coating such as nickel / zinc plating, or a thin-walled non-magnetic protective cover can be added to its outer side after assembly. The auxiliary magnetic block 5 is arranged along the axial or height direction of the fixing part 2 in the side wall region of the fixing part 2, and its magnetization direction is consistent with the normal direction of the outer wall of the fixing part 2, so as to form a magnetic adsorption fit when the fixing part 2 is close to the matching mounting component, thereby achieving additional holding and positioning constraints on the wire harness terminal housing without changing the overall structure of the first embodiment.

[0027] Example 3

[0028] like Figure 1 and Figure 3 As shown, this embodiment, based on embodiment one, includes a fixing slot 23. The fixing slot 23 is located on the side of the fixing part 2 opposite to the elastic locking arm 21, and a fixing card 24 and a positioning groove 25 are provided inside the fixing slot 23. The fixing slot 23 is an open slot that extends inward from the outer wall of the fixing part 2, with the opening facing outward. The bottom of the slot communicates with the interior of the fixing part 2, thereby forming an insertion channel that communicates with the interior space of the fixing part. The fixing slot 23 extends axially along the wire harness terminal, and the two sides of the slot opening are rounded to avoid assembly scratches. The fixing card 24 is arranged at the edge of the slot opening of the fixing slot 23 and extends into the fixing part 2 from the slot opening. A stepped lower locking surface is formed between the fixing card 24 and the side wall of the fixing slot 23. The positioning groove 25 is located on the inner wall of the fixing slot 23. The positioning groove 25 is arranged opposite to the fixing card 24 and forms a stepped surface or shoulder surface near the bottom of the groove, which is used to form a mating surface with the fixing card 24 after insertion. Through the above structure, the fixing slot 23 provides an insertion path, the extended fixing card 24 forms a downward snap-fit ​​portion in the insertion direction, and the positioning groove 25 provides a matching limiting recess. The two form a locking relationship after insertion within the inner communicating area of ​​the fixing part 2. Thus, without changing the existing integrated shell structure of Embodiment 1, an additional insertion and limiting interface from the outside is provided for the fixing part 2. Compared with the structure of Embodiment 1 alone, a clearer assembly reference and locking position can be obtained on the outside of the fixing part 2, which facilitates the axial and radial stability after assembly. Moreover, the fixing slot 23, fixing card 24 and positioning groove 25 are all integrally injection molded with the shell, and their dimensions and fitting tolerances can be determined according to the geometric parameters of the matching parts to ensure a reliable locking fit during assembly and maintain the overall structural continuity and strength of the shell.

[0029] The above embodiments are only for illustrating the technical concept and features of this utility model. Their purpose is to enable those skilled in the art to understand the content of this utility model and implement it. They should not be used to limit the protection scope of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be covered within the protection scope of this utility model.

Claims

1. A wiring harness terminal for a streaming rearview mirror, comprising a housing, characterized in that: The outer shell has a receiving cavity (4) inside. The outer shell includes a plug-in part (1), a fixing part (2) and a connecting part (3) in sequence. The plug-in part (1) is a cylindrical structure. Multiple positioning strips (11) extending axially are provided on the outer periphery of the cylinder. An elastic locking arm (21) is provided above the fixing part (2). Limiting bosses (22) are provided on both sides of the elastic locking arm (21). A guide gap is formed between the limiting bosses (22) and the side wall of the outer shell.

2. A wire harness terminal for a streaming rearview mirror according to claim 1, characterized in that: The outer wall of the fixing part (2) is provided with an auxiliary magnetic block (5).

3. A wiring harness terminal for a streaming media rearview mirror according to claim 1, characterized in that: The outer casing has a locking platform (12) above the insertion part (1), and a buckle (13) above the locking platform.

4. The wire harness terminal for a streaming rearview mirror of claim 1, wherein: The inner wall of the front end of the receiving cavity (4) of the plug part (1) is provided with multiple guide rings (14), the guide rings (14) are inclined into the receiving cavity (4), and the two ends of the guide rings (14) are respectively chamfered.

5. The wire harness terminal for a streaming rearview mirror of claim 1, wherein: The fixing part (2) has a fixing slot (23) on the side opposite to the elastic locking arm (21), and the fixing slot (23) is connected to the fixing part (2).

6. A wiring harness terminal for a streaming media rearview mirror according to claim 5, characterized in that: The fixing slot (23) is provided with a fixing card (24) and a positioning slot (25), and the fixing card (24) extends toward the fixing part (2).

7. A wire harness terminal for a streaming rearview mirror according to claim 1, wherein: The outer shell is integrally injection molded.

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