CN205429249U - Connector component and including this connector component's subassembly of making a video recording - Google Patents

Abstract

The utility model discloses a connector component and including this connector component's subassembly of making a video recording. A connector component, a serial communication port, including the base, coaxial coupling spare and first seal are provided with the connecting hole on the base, and coaxial coupling spare passes the connecting hole and passes through first seal and base sealing connection. The utility model discloses a connector component can effectively prevent the emergence of coaxial coupling spare and control circuit board contact fault, guarantees signal transmission's stability.

Description

Connector assembly and camera assembly including the same

technical field

The utility model relates to a connector assembly and a camera assembly including the connector assembly.

Background technique

The on-board camera (head) can provide monitoring of the environment inside and outside the car, and provide safety guarantee for the driving of the car. The input/output of existing vehicle-mounted ordinary cameras mostly adopt pigtail cables. With the improvement of image quality requirements for vehicle cameras, high-definition camera technology is gradually introduced into vehicle cameras. Using the coaxial connector as the input and output device of the signal can improve the stability of signal transmission.

Fig. 1 and Fig. 2 show a metal shell coaxial connector 100, the shell 101 of which is made of metal. One end of the housing 101 has a cylindrical sleeve 102, and the sleeve 102 is provided with a buckle 103 for connecting with a mating connector. A central pin 104 , an insulating layer 105 and a shielding layer 107 are disposed inside the housing 101 , wherein the shielding layer 107 is integrally formed with the housing 101 . In FIG. 2 , the left end of the center pin 104 is used for connecting with the mating connector, and the right end is used for connecting with the control circuit board.

FIG. 3 and FIG. 4 show a coaxial connector 200 with a plastic shell, whose appearance and structure are basically the same as the coaxial connector 100 in FIG. 1 . A sleeve 202 and a buckle 203 are also provided on the casing 201 , and a center pin 204 , an insulating layer 205 and a shielding layer 207 are arranged inside the casing 201 . The difference is that the shell 201 is made of plastic. The sleeve 202 and the shielding layer 207 are separate parts.

Both of the above two coaxial connectors are nose-cone connectors. During use, when the mating connector end is subjected to tension, the tension is directly transmitted to the connection between the center pin 104 and the control circuit board, which may easily cause signal instability. or malfunction occurs.

In addition, since the vehicle-mounted camera is to be used in an outdoor open-air environment, the problem of waterproof sealing must be overcome during the design process of the connector.

The above content is only made for the convenience of understanding the utility model and compliance with the relevant requirements of the patent law, and does not mean that the content of this part is the prior art.

Utility model content

One of the purposes of the present utility model is to provide a connector assembly with stable signal in order to solve the problems in the prior art.

In order to achieve the above object, the utility model is realized through the following technical solutions:

A connector assembly, characterized in that it includes a base, a coaxial connector and a first sealing body, the base is provided with a connecting hole, the coaxial connector passes through the connecting hole and is sealed with the base by the first sealing body connect.

According to an embodiment of the present invention, the coaxial connector includes a central conductor, an outer conductor disposed around the central conductor, and an insulator disposed between the central conductor and the outer conductor.

According to an embodiment of the present invention, it further includes a second sealing body, the second sealing body is arranged at the mating end of the coaxial connector, and seals between the central conductor and the outer conductor.

According to an embodiment of the present invention, the second sealing body achieves circumferential sealing with the outer surface of the central conductor and the inner surface of the outer conductor respectively.

According to an embodiment of the present invention, the base is also provided with a sleeve surrounding the connecting hole, and the outer wall of the sleeve is provided with buckles, which are used to engage with the mating connector, and the coaxial connector passes through the connecting hole and Insert into sleeve.

According to an embodiment of the present invention, a fool-proof structure is provided on the outer wall of the sleeve to prevent wrong insertion with the mating connector, and the fool-proof structure includes one or more positioning pins.

According to an embodiment of the present invention, the base is a metal integrally formed part.

According to one embodiment of the present invention, the base is a separate part, including a cover plate and a housing; the sleeve is arranged on the cover plate, the connecting hole is arranged on the housing, and the cover plate and the housing are detachable fixed connection.

According to an embodiment of the present utility model, the first sealing body is arranged between the cover plate and the housing, and is sealed and connected with the cover plate and the housing respectively.

According to an embodiment of the present invention, a positioning structure is provided between the cover plate and the housing, and the positioning structure includes a protrusion provided on the outer edge of the cover plate and a groove provided on the housing.

According to an embodiment of the present invention, the cover plate and the housing are detachably connected by bolts.

According to an embodiment of the present invention, the cover plate is made of plastic, and the casing is made of metal.

According to an embodiment of the present invention, a control circuit board is also included, and one end of the coaxial connector is connected to the control circuit board.

According to an embodiment of the present invention, a mating connector is also included, and one end of the coaxial connector is connected to the mating connector.

Another object of the present invention is to provide a camera assembly with stable signal in order to solve the problems in the prior art.

In order to achieve the above object, the utility model is realized through the following technical solutions:

A camera assembly, characterized in that it comprises a front cover and the above-mentioned connector assembly; the front cover and the base form a closed machine casing; an optical assembly is installed on the front cover.

When the camera component is in use, when the mating connector is subjected to tension, the tension is transmitted to the cover plate and the lower cover plate fixedly connected to the cover plate, and even to the equipment housing where the entire camera component is installed, instead of being transmitted to the coaxial Connector or control circuit board. Therefore, the connector assembly of the present invention can effectively prevent the contact failure between the coaxial connector and the control circuit board, and ensure the stability of signal transmission.

Description of drawings

Fig. 1 is a schematic diagram of a metal shell coaxial connector;

Fig. 2 is a schematic partial sectional view of the coaxial connector shown in Fig. 1;

Fig. 3 is a schematic diagram of a plastic shell coaxial connector;

Fig. 4 is a schematic partial sectional view of the coaxial connector shown in Fig. 3;

5 is a schematic diagram of assembly of the connector assembly according to the present invention;

Fig. 6 is a split schematic diagram of the connector assembly shown in Fig. 5;

Figure 7 is a schematic cross-sectional view of the camera assembly according to the present invention; and

FIG. 8 is a schematic cross-sectional view of a camera assembly with a mating connector.

detailed description

The connector assembly of the present invention and the camera assembly with the connector assembly will be described in detail below with reference to the accompanying drawings. Camera components include various cameras, such as high-definition cameras. Those skilled in the art should understand that the embodiments described below are only illustrative illustrations of the present utility model, and are not intended to limit it in any way. Throughout the drawings, the same reference numerals designate the same or similar parts.

The connector assembly according to the utility model mainly includes a base and a coaxial connector. The base can be assembled from one piece or separate pieces. In order to ensure the quality of the signal, the base usually also serves as the ground terminal of the machine. Accordingly, the base is often formed from metal or from metal-containing parts.

5 and 6 show a connector assembly 300 with a split base. The base includes a cover plate 310 and a housing 320 . A sleeve 311 is disposed on the cover plate 310 , and a buckle 312 is disposed on the outer wall of the sleeve 311 for engaging with the mating connector. The housing 320 is provided with a connecting hole 321 . The coaxial connector 330 passes through the connection hole 321 and is inserted into the sleeve 311 . As described below, the structure of the above-mentioned connector assembly 300 forms a standard Fakra plug end, which can be plugged with an existing mating connector with a Fakra plug connector. In the embodiment of the connector assembly according to the present invention, there is a clearance fit between the coaxial connecting member 330 and the bases 310 , 320 to prevent the coaxial connecting member 330 from being stressed when the connector assembly 300 is in use. In particular, the coaxial connecting member 330 is in clearance fit with the cover plate 310 and the housing 320 respectively.

The cover plate 310 and the housing 320 are respectively provided with mounting structures for mounting the connector assembly 300 . For example, the mounting structure can be set as mounting holes 315 and 325, which can be fixedly connected by bolts. In order to facilitate installation, a positioning structure may be provided between the cover plate 310 and the housing 320 . A positioning structure is shown in FIGS. 5-6 , which includes a protrusion 314 provided on the outer edge of the cover plate 310 and a corresponding groove 324 provided on the housing 320 . During installation, the cover plate 310 and the housing 320 can be quickly and accurately positioned by engaging the protrusion 314 with the groove 324 . In other embodiments, other known positioning structures may also be used. For the purpose of simple structure, the above-mentioned positioning structure may not be provided, and the cover plate 310 and the housing 320 are fixedly connected directly in a flat contact manner.

In order to prevent wrong insertion with the mating connector, one or more positioning structures, such as positioning pins 313 , may also be provided on the outer wall of the sleeve 311 . A plurality of cover plates 310 provided with different positions and/or different numbers of positioning pins 313 can be adapted to a plurality of mating connectors with different functions. In the case of using the split base, when the connector assembly 300 needs to be connected with a new mating connector, only the cover plate 310 needs to be replaced, and the operation is simple. Preferably, the cover plate 310 is made of plastic, and the housing 320 is made of metal, so as to not only ensure the function of the base as a grounding terminal, but also save material cost and weight.

FIG. 7 shows a schematic cross-sectional view of a camera assembly using the above-mentioned connector assembly 300 . The camera assembly is formed of a front cover 500 and a base (cover 310 and housing 320 ) to form a closed machine housing. A control circuit board 400 is fixedly arranged in the casing, for example, the control circuit board 400 can be fixedly installed on the front cover 500 . An optical assembly (not shown) is mounted on the front cover 500 . Other structures and elements of the high-definition camera are well known to those skilled in the art, and their descriptions are omitted here.

Referring to FIG. 7 , the coaxial connector 330 includes a central conductor 331 , an outer conductor 333 disposed around the central conductor, and an insulator 332 disposed between the central conductor 331 and the outer conductor 333 . As shown in FIG. 8 , the upper end of the coaxial connector 330 is a mating end for plugging into the mating connector 600 ; the lower end of the coaxial connector 330 is a control end for connecting to the control circuit board 400 . One end of the central conductor 331, such as the upper end 331a, is used to connect to the signal conductor of the mating connector, and the other end of the central conductor 331, such as the lower end 331b, is plugged into the connection hole 401 of the control circuit board 400 for input/output signals. In order to enhance the fixation between the coaxial connector 330 and the control circuit board 400 , a welding pin 334 is provided at the lower end of the outer conductor 333 for welding and fixing with the control circuit board 400 . In addition, in order to effectively ground the outer conductor 333 , the outer conductor 333 needs to remain connected to the casing 320 . The outer conductor 333 may be connected to the housing 320 by providing a metal grounding ring 335 at the lower end.

In order to prevent external moisture from entering into the camera assembly, the connector assembly 300 is designed with a waterproof structure. In one embodiment of the present invention, the waterproof structure may include a first sealing body 340 , and the first sealing body 340 is sealingly connected with the bases 310 , 320 and the coaxial connecting member 330 respectively. In an example as shown in the figure, the first sealing body 340 is disposed between the cover plate 310 and the housing 320 , and is sealed and connected with the cover plate 310 and the housing 320 respectively. In another example as shown in the figure, the first sealing body 340 is a sealing ring, which is sleeved on the outer surface of the outer conductor 333 and is sealingly connected thereto. When the cover plate 310 is installed on the housing 320, the first sealing body 340 is squeezed by the cover plate 310, so that the first sealing body 340 is respectively sealed and connected with the cover plate 310 and the housing 320, realizing the connection of the coaxial connector 330. Sealed on top and bottom sides.

At the mating end of the coaxial connector 330 facing the mating connector, a second sealing body 350 is also arranged between the central conductor 331 and the outer conductor 333, and the second sealing body 350 is respectively connected to the outer surface of the central conductor 331 and the outer conductor. The inner surface of 333 realizes circumferential sealing. The inside of the coaxial connecting member 330 is sealed from the outside by the second sealing body 350 . The first sealing body 340 and the second sealing body 350 usually adopt elastic rubber sealing rings.

Referring to FIG. 8 , the connector assembly 300 according to the present invention may further include a mating connector 600 , and the housing of the mating connector 600 is fixedly connected to the cover plate 310 after being engaged with the buckle 312 on the sleeve 311 . The signal conductor 601 inside the mating connector 600 is mated with the center conductor 331 . The mating connector 600 can be connected to the center console, so as to realize the signal input/output of the camera component.

When the camera assembly is in use, when the mating connector 600 is subjected to a pulling force (shown by arrow A in FIG. 8 ), the pulling force is transmitted to the cover plate 310 and the lower cover plate 320 fixedly connected to the cover plate 310, and even the entire camera assembly is installed. on the device housing, and will not be transmitted to the coaxial connector 330 or the control circuit board 400. Therefore, the connector assembly 300 of the present invention can effectively prevent the contact failure between the coaxial connector 330 and the control circuit board 400 and ensure the stability of signal transmission.

The specific shapes, directions and configurations of the connector assembly and the camera assembly described above and shown in the figures are only exemplary, and under the teaching of the present utility model, those skilled in the art can make various changes or modifications , all these modifications do not depart from the scope of the present invention defined by the claims.

Claims (15)

1. A connector assembly, characterized in that it comprises a base, a coaxial connector and a first sealing body, the base is provided with a connection hole, the coaxial connector passes through the connection hole and passes through the first sealing body and the base Seat seal connection. 2. The connector assembly according to claim 1, wherein the coaxial connector comprises a central conductor, an outer conductor disposed around the central conductor, and an insulator disposed between the central conductor and the outer conductor. 3. The connector assembly according to claim 2, further comprising a second sealing body, the second sealing body is arranged at the mating end of the coaxial connector, and is formed between the central conductor and the outer conductor. seal. 4 . The connector assembly according to claim 3 , wherein the second sealing body achieves circumferential sealing with the outer surface of the central conductor and the inner surface of the outer conductor respectively. 5. The connector assembly according to claim 1, characterized in that, the base is also provided with a sleeve surrounding the connection hole, and the outer wall of the sleeve is provided with buckles, which are used to engage with the mating connector. The shaft connector passes through the connecting hole and is inserted into the sleeve. 6. The connector assembly according to claim 5, wherein a fool-proof structure is provided on the outer wall of the sleeve to prevent wrong insertion with the mating connector, and the fool-proof structure includes one or more Locating pins. 7. The connector assembly of claim 1, wherein the base is a metal integral formation. 8. The connector assembly according to claim 5, wherein the base is a separate piece, including a cover plate and a housing; the sleeve is arranged on the cover plate, and the connecting hole is arranged on the housing , the cover plate and the housing are detachably fixedly connected. 9. The connector assembly according to claim 8, wherein the first sealing body is arranged between the cover plate and the housing, and is sealed with the cover plate and the housing respectively connect. 10. The connector assembly according to claim 8, wherein a positioning structure is provided between the cover plate and the housing, and the positioning structure includes protrusions provided on the outer edge of the cover plate and recesses provided on the housing groove. 11. The connector assembly according to claim 8, wherein the cover plate and the housing are detachably connected by bolts. 12. The connector assembly according to claim 8, wherein the cover plate is made of plastic, and the housing is made of metal. 13. The connector assembly according to claim 1, further comprising a control circuit board, and one end of the coaxial connector is connected to the control circuit board. 14. The connector assembly according to any one of claims 1-13, further comprising a mating connector, and one end of the coaxial connector is connected to the mating connector. 15. A camera assembly, characterized in that it comprises a front cover and the connector assembly according to any one of claims 1-14; the front cover and the base form a closed casing; the front cover Optical components are mounted on it.