Vehicle-mounted camera thread throwing rear shell connector

Abstract

The utility model discloses a vehicle-mounted camera thread throwing rear shell connector, and belongs to the technical field of electric connectors. The connector includes an outer housing, a cable assembly, and a rear cover. A connector of the outer shell is provided with a through hole, and the inner wall of the through hole is provided with a clamping groove and a limiting table. The cable assembly comprises a coaxial line, a central terminal, an outer conductor and an insulating medium. The outer conductor is matched with a limiting table in the through hole through a limiting shoulder and a fixing clamp spring to achieve axial fixation. The rear cover is provided with a sleeve part and a buckling part, rapid installation is achieved through buckling of the buckling part and the clamping groove, a first sealing ring integrally formed on the rear cover is in interference fit with the inner wall of the connector, a gap between the rear cover and the coaxial line is filled with a second sealing ring, and dual sealing is jointly formed. According to the utility model, through the integrated design, the assembly process is simplified, the processing difficulty and cost of the matching end are reduced, and meanwhile, the high stability of connection and excellent dustproof and waterproof performance are ensured.

Description

Technical Field

[0001] This utility model belongs to the field of electrical connector technology, and in particular relates to a connector for the rear shell of a vehicle-mounted camera with a cable cut-out. Background Technology

[0002] The cable tray connector for the vehicle camera is a key component for connecting the camera module to the vehicle's wiring harness. Its core functions include providing a stable electrical connection, isolating the internal connection from external wiring harness disturbances, preventing the wiring harness from retracting, and having good dustproof and waterproof performance to adapt to the harsh vehicle environment.

[0003] Traditional wire-spinning rear-shell connectors typically have their snap-fit ​​structure mounted on the outside of the outer conductor, resulting in a large overall connector size and significant space occupation within the vehicle. Furthermore, traditional waterproofing solutions often require complex structures or additional assembly steps, leading to either excessive size or high cost. The mating ends usually require machining two chamfered boss lugs and a guide boss; whether using metal cutting or plastic molding, the process is complex, demands high precision, and significantly increases costs during mass production.

[0004] Therefore, there is an urgent need for a vehicle camera cable routing rear housing connector that is more compact in structure, has a simpler assembly process, lower cost, and does not affect sealing performance. Utility Model Content

[0005] The purpose of this utility model is to provide a connector for the rear shell of a vehicle camera cable. By highly integrating the snap-fit ​​structure with multiple sealing functions, the overall size of the connector is reduced and the processing difficulty is lowered, while ensuring the reliability of the connection and the sealing of the environment.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] A vehicle-mounted camera cable connector includes an outer housing, a cable assembly, and a rear cover. The outer housing includes a rear shell and a connector integrally formed on the outer surface of the rear shell. The connector has a through hole in its center, and the inner wall of the through hole has an annular groove. The cable assembly is coaxially disposed within the through hole. The cable assembly includes a coaxial cable, a center terminal riveted to the center line of the coaxial cable, an outer conductor crimped to the shielding layer of the coaxial cable, and an insulating medium disposed between the outer conductor and the center terminal. The rear cover includes a sleeve portion coaxially sleeved on the coaxial cable and a snap-fit ​​portion extending from the end of the sleeve portion toward the outer conductor. The sleeve portion is inserted into the through hole, and a fixed connection with the outer housing is achieved by the snap-fit ​​portion engaging with the groove.

[0008] Furthermore, the outer conductor includes a riveting portion for riveting and fixing to the shielding layer, a mating cylinder portion for mating with the board end connector, and a limiting shoulder formed between the riveting portion and the mating cylinder portion and protruding radially outward; correspondingly, an annular limiting platform is formed on the inner circumference of the through hole; when the outer conductor is installed into the through hole from the opening at the outer end of the connector, the limiting shoulder abuts axially with the limiting platform.

[0009] Furthermore, after assembly, the latching part is positioned above the limiting platform to restrict the axial movement of the outer conductor toward the opening direction of the outer end of the connector.

[0010] Furthermore, a limiting groove is formed on the outer peripheral wall of the docking cylinder of the outer conductor, and a fixing spring is embedded in the limiting groove. The retaining arm of the fixing spring abuts against the bottom surface of the limiting platform to fix the position of the outer conductor inside the outer housing.

[0011] Furthermore, the latching portion includes at least two circumferentially spaced elastic arms, an inlet ramp formed on the outside of the free end of each elastic arm, and a locking surface for engaging with the locking surface of the latching groove.

[0012] Furthermore, the locking surface is an inclined surface adapted to the locking surface to reduce the assembly gap between the locking surface and the locking surface.

[0013] Furthermore, the outer peripheral wall of the sleeve portion of the rear cover is provided with at least one annular sealing groove, and a first sealing ring is provided in the sealing groove. The first sealing ring and the inner wall of the joint form an interference fit.

[0014] Furthermore, a second sealing ring is provided in the annular gap between the sleeve portion of the rear cover and the outer skin of the coaxial line.

[0015] Furthermore, the first sealing ring and the second sealing ring are integrally formed with the rear cover through a rubber-coating injection molding process.

[0016] Furthermore, a copper tube is fitted around the outer periphery of the riveting part to enhance the riveting strength and holding force between the outer conductor and the shielding layer.

[0017] Compared with the prior art, the beneficial technical effects of the vehicle-mounted camera cable-splitting rear shell connector provided by this utility model are as follows:

[0018] Integrated design and easy assembly: This utility model integrates the buckle and the rear cover into one piece and injection molds the first sealing ring onto the rear cover, eliminating the sorting and assembly steps of multiple independent parts in the traditional solution. This achieves the integration of connector components, simplifies the assembly process, and improves production efficiency. Moreover, it also makes the rear shell connector structure compact and the interface uniform, which is easy to standardize and serialize, and improves the flexibility of the supply chain.

[0019] Structural optimization and cost reduction: This utility model uses a built-in buckle on the rear cover to engage and fix with a slot in the through hole of the outer shell, replacing the traditional structure of machining complex hanging ears and guide bosses at the mating end. This greatly reduces the machining difficulty, process requirements and mold costs at the mating end, thereby effectively controlling the overall manufacturing cost of the product.

[0020] Stable connection and high reliability: The outer conductor of this utility model abuts against the upper and lower surfaces of the limiting platform of the outer shell through the limiting shoulder and the fixing spring, realizing reliable axial positioning and locking of the outer conductor. At the same time, the coaxial line is held by the clamping of the rear cover and fixed by the fastening of the buckle part and the slot. Together, they effectively limit the displacement and shaking of the cable assembly, ensuring the mechanical stability and electrical connection reliability of the connector in the vibration environment.

[0021] Excellent sealing performance: This utility model forms a double sealing barrier in the radial and axial directions by setting a first sealing ring between the rear cover and the inner wall of the connector, and a second sealing ring between the rear cover and the coaxial line, which can effectively prevent the intrusion of external moisture and dust. Attached Figure Description

[0022] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort. In the drawings:

[0023] Figure 1 A schematic diagram of the structure of a vehicle-mounted camera cable routing rear housing connector provided in this embodiment of the utility model. Figure 1 ;

[0024] Figure 2 A schematic diagram of the structure of a vehicle-mounted camera cable routing rear housing connector provided in this embodiment of the utility model. Figure 2 ;

[0025] Figure 3 An exploded view of a vehicle-mounted camera cable routing rear housing connector provided in an embodiment of this utility model;

[0026] Figure 4 A cross-sectional view of a vehicle-mounted camera cable routing rear housing connector provided for an embodiment of this utility model;

[0027] Figure 5 A schematic diagram of the cable assembly in the rear shell connector of a vehicle-mounted camera, provided for an embodiment of this utility model;

[0028] Figure 6 A schematic diagram of the structure of the fixing spring in the rear shell connector of a vehicle-mounted camera cable routing system provided in this embodiment of the present invention;

[0029] Figure 7 This is a schematic diagram of the structure of the rear cover of the rear shell connector for a vehicle-mounted camera cable routing system, provided as an embodiment of this utility model.

[0030] The attached diagram lists the components represented by each number as follows:

[0031] 1-Outer housing, 101-Rear housing, 102-Connector, 103-Through hole, 104-Slot, 104a-Locking surface, 105-Limiting platform, 2-Cable assembly, 201-Coaxial cable, 201a-Shielding layer, 201b-Center wire, 201c-Outer sheath, 202-Center terminal, 203-Outer conductor, 203a-Riveting part, 203b-Matching cylinder part, 203c - Limiting shoulder, 203d- Limiting groove, 204- Insulating medium, 205- Copper tube, 3- Rear cover, 301- Sleeve part, 302- Buckling part, 302a- Elastic arm, 302b- Introducing inclined surface, 302c- Locking surface, 303- Sealing groove, 304- Annular cover plate, 304a- Protrusion, 4- First sealing ring, 5- Second sealing ring, 6- Fixed snap ring, 601- Snap arm. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0033] This utility model embodiment provides a vehicle-mounted camera cable routing rear cover connector, including an outer housing 1, a cable assembly 2, and a rear cover 3.

[0034] like Figures 1 to 4As shown, in this embodiment, the outer housing 1 includes a rear housing 101 with a panel-shaped cavity and a connector 102 integrally formed on the outer surface of the rear housing 101. The connector 102 has a through hole 103 in its center, communicating with the internal cavity of the rear housing 101. A recessed groove 104 is formed around the inner wall of the through hole 103. An annular limiting platform 105 is also formed inside the through hole 103 to limit the cable assembly 2.

[0035] like Figures 3 to 5 As shown, the cable assembly 2 is coaxially mounted within the through hole 103. The cable assembly 2 includes a coaxial cable 201, a center terminal 202, an outer conductor 203, and an insulating medium 204. One end of the coaxial cable 201 is stripped to expose a shielding layer 201a and a center wire 201b. The center terminal 202 is coaxially riveted to the protruding end of the center wire 201b for insertion with a board-end connector.

[0036] The outer conductor 203 includes a riveting portion 203a, a mating cylinder portion 203b, and a limiting shoulder 203c. The riveting portion 203a is crimped and fixed to the shielding layer 201a, and a copper tube 205 is wrapped around the outer side of the outer conductor 203. The copper tube 205 is riveted and fixed to the shielding layer 201a, further enhancing the crimping strength and holding force between the outer conductor 203 and the shielding layer 201a. The mating cylinder portion 203b extends towards the center terminal 202 of the rear housing 101 for mating with the board-end connector. The limiting shoulder 203c is formed between the riveting portion 203a and the mating cylinder portion 203b and protrudes radially outward. The outer conductor 203 is inserted into the through hole 103 from the opening at the outer end of the connector 102. When installed in place, the limiting shoulder 203c axially abuts against the limiting platform 105 within the through hole 103, achieving initial axial positioning. The insulating medium 204 is disposed between the inner wall of the docking cylinder portion 203b of the outer conductor 203 and the center terminal 202, serving as electrical insulation and mechanical support.

[0037] Furthermore, the outer peripheral wall of the docking cylinder portion 203b of the outer conductor 203 is formed with a radially inwardly recessed limiting groove 203d. The limiting groove 203d is annular, and a fixing spring 6 is embedded in the limiting groove 203d. The fixing spring 6 includes an annular metal body and an elastic retaining arm 601 formed by stamping outward from the side wall of the metal body. After the outer conductor 203 has completed its initial axial positioning, the fixing spring 6 is installed from the open end of the rear shell 101 and embedded in the annular limiting groove 203d, so that the retaining arm 601 of the fixing spring 6 abuts against the bottom surface of the limiting platform 105, thereby fixing the axial position of the outer conductor 203 in the outer shell 1 and preventing it from coming out of the through hole 103.

[0038] like Figure 4 and Figure 7 As shown, the rear cover 3 includes an annular cover plate 304, a sleeve portion 301, and a snap-fit ​​portion 302. The annular cover plate 304 covers the outer end of the connector, and the outer diameter of the annular cover plate 304 is the same as the outer diameter of the connector 102. At the edge of the through hole in the middle of the annular cover plate 304, a plurality of inwardly protruding protrusions 304a are uniformly formed circumferentially. The protrusions 304a can be interference-fitted with the outer sheath 201c of the coaxial cable 201, thereby clamping and fixing the coaxial cable 201. The sleeve portion 301 is integrally formed on the annular cover plate 304, and the coaxial cable 201 is coaxially sleeved inside, which can coaxially hold the cable assembly within the through hole 103. The snap-fit ​​portion 302 extends from the end of the sleeve portion 301 toward the outer conductor 203. The latching part 302 includes at least two elastic arms 302a arranged evenly spaced circumferentially. Each elastic arm 302a has an outer guide slope 302b and a locking surface 302c for engaging with the locking surface 104a in the latching groove 104. The locking surface 302c is a slope adapted to the locking surface 104a. Under the elastic force of the elastic arm, this slope design ensures that the locking surface 302c and the locking surface 104a always abut against each other, reducing the assembly gap between the locking surface 104a and the locking surface 302c, and ensuring assembly stability.

[0039] The sleeve portion 301 of the rear cover 3 is inserted into the through hole 103 of the connector 102. During insertion, the guide slope 302b of the latching portion 302 contacts the port of the through hole 103, guiding the elastic arm 302a to generate radial elastic deformation until the locking surface 302c moves to the position corresponding to the slot 104. At this point, the elastic arm 302a elastically resets, and the locking surface 302c engages with the locking surface 104a of the slot 104, thereby achieving a fixed connection between the rear cover 3 and the outer housing 1. After assembly, the latching portion 302 is positioned above the limiting platform 105 to restrict the axial movement of the outer conductor 203 toward the opening direction of the outer end of the connector 102. This utility model replaces the traditional solution of machining complex lugs and guide bosses at the mating end by setting a built-in buckle part 302 on the rear cover 3 to fasten and fix it with the slot 104 in the through hole 103 of the outer shell 1. This not only effectively limits the displacement and shaking of the cable assembly 2 and ensures the mechanical stability and electrical connection reliability of the connector in the vibration environment, but also greatly reduces the processing difficulty, process requirements and mold cost of the mating end, thereby effectively controlling the overall product manufacturing cost.

[0040] An annular sealing groove 303 is formed on the outer wall of the sleeve portion 301 of the rear cover 3, and a first sealing ring 4 is disposed within the sealing groove 303. When the rear cover 3 is installed in place, the first sealing ring 4 is press-fitted with the inner wall of the connector 102 to form a radial seal. In addition, a second sealing ring 5 is disposed in the annular gap between the sleeve portion 301 of the rear cover 3 and the outer skin 201c of the coaxial line 201. As a preferred embodiment, both the first sealing ring 4 and the second sealing ring 5 are integrally formed with the rear cover 3 by a rubber injection molding process. This design simplifies the assembly process, improves assembly efficiency, and effectively enhances the overall dustproof and waterproof performance of the connector.

[0041] The embodiments described above merely illustrate the implementation of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A connector for the rear housing of a vehicle-mounted camera with cable routing, characterized in that, The utility model relates to an external shell (1) which comprises a rear shell (101) and a joint (102) integrally formed on the outer panel of the rear shell (101), the middle part of the joint (102) is provided with a through hole (103), and the inner wall of the through hole (103) is provided with an annular clamping groove (104). A cable assembly (2) is coaxially arranged in the through hole (103), which comprises a coaxial line (201), a center terminal (202) riveted and fixed on the center line (201b) of the coaxial line (201), an outer conductor (203) crimped and fixed on the shielding layer (201a) of the coaxial line (201), and an insulating medium (204) arranged between the outer conductor (203) and the center terminal (202). A rear cover (3) which comprises a sleeve part (301) coaxially sleeved on the coaxial line (201) and a buckle part (302) extended from the end of the sleeve part (301) towards the outer conductor (203), the sleeve part (301) is inserted into the through hole (103), and the buckle part (302) is fixedly connected with the external shell (1) by being buckled with the clamping groove (104). The outer conductor (203) comprises a riveting part (203a) for riveting with the shielding layer (201a), a butt joint cylinder part (203b) for butt joint with the board end connector, and a limiting shoulder (203c) formed between the riveting part (203a) and the butt joint cylinder part (203b) and protruding radially outward; correspondingly, the inner periphery of the through hole (103) is formed with an annular limiting table (105); when the outer conductor (203) is arranged in the through hole (103) from the opening of the joint (102) outer end, the limiting shoulder (203c) axially abuts against the limiting table (105).

2. The rear camera wire flinging housing connector of claim 1, wherein: The buckle part (302) is positioned above the limiting table (105) after assembly to limit the axial movement of the outer conductor (203) towards the opening of the joint (102) outer end.

3. The rear camera wire flinging housing connector of claim 2, wherein: A limiting groove (203d) is formed on the outer peripheral wall of the butt joint cylinder part (203b) of the outer conductor (203), a fixed clamping spring (6) is embedded in the limiting groove (203d), the clamping arm (601) of the fixed clamping spring (6) abuts against the bottom surface of the limiting table (105), and the position of the outer conductor (203) in the external shell (1) is fixed.

4. The rear camera wire thrower housing connector of claim 2, wherein: The buckle part (302) comprises at least two elastic arms (302a) arranged in a circumferential direction, an introduction inclined surface (302b) formed on the outer side of the free end of each elastic arm (302a), and a locking surface (302c) for locking with the locking surface (104a) of the clamping groove (104).

5. The rear camera wire thrower housing connector of claim 1, wherein: The locking surface (302c) is an inclined surface matched with the locking surface (104a) to reduce the assembly gap between the locking surface (104a) and the locking surface (302c).

6. The rear camera wire thrower housing connector of claim 5, wherein: ​ 7. The rear camera wire thrower housing connector of claim 1, wherein: The outer peripheral wall of the sleeve part (301) of the rear cover (3) is provided with at least one annular sealing groove (303), and a first sealing ring (4) is arranged in the sealing groove (303), and the first sealing ring (4) is in interference fit with the inner hole wall of the joint (102).

8. The rear camera wire thrower housing connector of claim 7, wherein: An annular gap is formed between the sleeve part (301) of the rear cover (3) and the outer skin (201c) of the coaxial line (201), and a second sealing ring (5) is arranged in the annular gap.

9. The rear camera wire thrower housing connector of claim 8, wherein: The first sealing ring (4) and the second sealing ring (5) are integrally formed with the rear cover (3) through a glue injection molding process.

10. The rear camera wire thrower housing connector of claim 2, wherein: The riveting part (203a) is sleeved with a copper pipe (205) to enhance the riveting strength and holding force between the outer conductor (203) and the shielding layer (201a).

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