CN214478231U

CN214478231U - A kind of interface unit

Info

Publication number: CN214478231U
Application number: CN202120567422.2U
Authority: CN
Inventors: 黄文斌
Original assignee: Rosenberger Asia Pacific Electronics Co Ltd
Current assignee: Rosenberger Asia Pacific Electronics Co Ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-10-22
Anticipated expiration: 2031-03-19
Also published as: WO2022193901A1

Abstract

The utility model discloses a connector, including casing, conductive terminal group and sealing washer, the casing has assembly hole and flange along axial extension, assembles conductive terminal group in the assembly hole, and the assembly hole is connected and is assembled sealed glue in its back at conductive terminal group and cable, and the sealing washer is located on the terminal surface that casing and on-vehicle electronic equipment contacted. The utility model discloses an adopt flange joint's mode to realize and vehicle-mounted electronic equipment's fixed connection, realize stable the connection when reducing space and occuping, simultaneously, through adopting the sealing washer and sealed glue, improved performance such as connector waterproofing, make vehicle-mounted electronic equipment can use under various adverse conditions.

Description

A kind of interface unit

Technical Field

The utility model belongs to the technical field of the connector technique and specifically relates to a connector for connecting on-vehicle electronic equipment and host computer is related to.

Background

A connector is a coupling device that connects electrical terminals to form an electrical circuit, by which connections between wires, cables, printed circuit boards and electronic components can be made to reliably transmit data, power and signals. With the continuous development of connector technology, the application of connectors is also more and more extensive, such as the wide application in the field of automobile manufacturing and the like. In the automobile manufacturing, the connection of on-vehicle high definition digtal camera needs to use high-speed data connector, and the connection of on-vehicle high definition digtal camera uses the Fakra connector usually at present, and nevertheless along with on the market on-vehicle high definition digtal camera's demand is bigger and bigger, the installation environment tends to complicacy, the Fakra connector can't satisfy the user demand because fixed appearance and great size gradually.

In addition, the connector of connecting on-vehicle high definition digtal camera still need possess some performance index, if waterproof, corrosion-resistant etc, chinese patent CN 209150424U discloses a be provided with waterproof camera connector of multichannel, specifically disclose the outer conductor, the sleeve, insulator and inner conductor, the periphery of outer conductor is equipped with the ring flange, the root of the preceding terminal surface of ring flange is equipped with waterproof sealing washer, the inner conductor sets up the inside at the outer conductor, be equipped with the insulator between inner conductor and the outer conductor, also be equipped with waterproof sealing washer between inner conductor and the insulator, the rear end of outer conductor is connected with the plastic shell, the inside of plastic shell is equipped with the sleeve, be equipped with waterproof sealing washer between sleeve and the outer conductor. Although the connector has a certain waterproof function, the waterproof performance is poor, and if the part of the plastic shell, which is in contact with the coaxial line, still has the problem that external water enters the plastic shell.

Therefore, a connector with small space occupation and good waterproof performance is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a space occupies connector little, that waterproof performance is good.

In order to achieve the above object, the utility model provides a following technical scheme: a connector, the connector comprising

The shell comprises a cylinder body and a flange which are arranged along the butt joint direction of the connector, and is also provided with an assembling hole which penetrates through the cylinder body and the flange along the axial direction of the cylinder body;

the conductive terminal group is accommodated in the assembly hole, and after the conductive terminal group is connected with a cable, one side of the assembly hole close to the cable is filled with a sealant; and

and the sealing ring is arranged on the side wall of the flange opposite to the butting connector.

Preferably, the assembly hole includes holding hole and injecting glue hole that are linked together, the one end of conductive terminal group is located in the injecting glue hole, the other end passes the holding hole extends to the assembly hole outside.

Preferably, the inlet of the glue injection hole is provided with a first chamfer.

Preferably, the conductive terminal group comprises an outer conductor and an inner conductor, the outer conductor is provided with a mounting hole extending along the axial direction, the inner conductor is assembled in the mounting hole, and the inner wall of the mounting hole is provided with at least one elastic contact part.

Preferably, the conductive terminal group further includes a crimping sleeve, and the crimping sleeve is sleeved outside the cable and is assembled in the mounting hole of the outer conductor.

Preferably, the outer conductor is provided with a first assembling portion formed by protruding outwards from an outer side wall of the outer conductor along a radial direction of the outer conductor, the assembling hole is provided with a second assembling portion formed by protruding outwards from an inner side wall of the assembling hole along the radial direction of the assembling hole, and the first assembling portion and the second assembling portion are abutted in the radial direction through interference fit.

Preferably, the length of the first fitting portion in the axial direction thereof is smaller than the length of the second fitting portion in the axial direction thereof.

Preferably, the second assembling portion of the assembling hole is provided with a second chamfer facilitating the assembling of the first assembling portion of the outer conductor.

Preferably, a containing groove is formed in the side wall, opposite to the butting connector, of the flange, and the sealing ring is arranged in the containing groove.

Preferably, the accommodating groove has a groove outer wall and a groove inner wall which are oppositely arranged, and a groove bottom wall connecting the groove outer wall and the groove inner wall, and the sealing ring is abutted against at least one of the groove outer wall and the groove inner wall.

Preferably, the included angle between the outer wall or the inner wall of the groove and the bottom wall of the groove is an acute angle.

The utility model has the advantages that:

(1) the fixed connection with the vehicle-mounted electronic equipment is realized by adopting a flange connection mode, the stable connection is realized while the occupied space is reduced, and the reliable and stable data transmission is ensured.

(2) By adopting the sealing ring and the sealing glue, the performances of the connector such as water resistance and the like are improved, and if the connector can achieve IPx7 level water resistance, the vehicle-mounted electronic equipment can be used under various severe conditions.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded schematic view of the present invention;

fig. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a perspective view of the outer conductor;

fig. 6 is a perspective view of the inner conductor.

Reference numerals: 10. the flexible printed circuit board comprises a shell, 101, a cylinder, 10a, a first end face, 10b, a second end face, 10c, a peripheral side face, 11, an assembly hole, 111, a containing hole, 112, a glue injection hole, 112a, a first chamfer, 113, a second assembly portion, 113a, a second chamfer, 12, a flange, 12a, a lug portion, 121, a through hole, 13, a containing groove, 13a, a groove outer wall, 13b, a groove inner wall, 13c, a groove bottom wall, 20, a conductive terminal group, 21, an outer conductor, 21a, a first end portion, 21b, a second end portion, 211, an installation hole, 212, a first assembly hole, 213, an elastic contact portion, 22, an inner conductor, 221, a containing hole, 221a elastic clamping portion, 222, an electric connection portion, 222a, a connection hole, 223, a barb structure, 30, a sealing ring, 40 and a sealant.

Detailed Description

The technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.

The utility model discloses a connector for connect on-vehicle electronic equipment (like the camera) and host computer (like on-vehicle computer etc.), reducible space's occupation when realizing high-speed data transmission, and this connector has performances such as fine waterproof, corrosion resistance, makes on-vehicle electronic equipment use under various adverse circumstances.

Referring to fig. 1 and 2, a connector disclosed in the present invention includes a housing 10, a conductive terminal group 20, and a sealing ring 30, where the housing 10 includes a cylinder 101, a flange 12, and an assembly hole 11, the cylinder 101 and the flange 12 are disposed along a mating direction of the connector, the assembly hole 11 penetrates through the cylinder 101 and the flange 12 along an axial direction of the cylinder 101, the assembly hole 11 is used for assembling the conductive terminal group 20, and the flange 12 is used for fixedly connecting the connector with a vehicle-mounted electronic device; the conductive terminal group 20 is assembled in the assembly hole 11 of the housing 10, one end of the conductive terminal group 20 is connected with a butting connector (not shown) of the vehicle-mounted electronic device to realize power connection, the opposite end is connected with the host machine through a cable, and after the end of the cable connected with the conductive terminal group 20 is connected with the cable and assembled in the assembly hole 11, the assembly hole 11 is filled with sealant 40 to perform sealing treatment, so as to realize a waterproof function; the sealing ring 30 is disposed on the side wall of the flange 12 opposite to the mating connector, and is used for waterproof after the connector is connected to the vehicle-mounted electronic device.

As shown in fig. 1 to 4, the housing 10 has a cylindrical structure as a whole, and includes a first end surface 10a and a second end surface 10b that are disposed opposite to each other, and a peripheral side surface 10c that connects the first end surface 10a and the second end surface 10b, and the flange 12 is provided with at least one through hole 121, and the connector and the in-vehicle electronic device can be fixed by the through hole 121, and can bear a tightening torque of about 30N · m after being fixed.

In this embodiment, the flange 12 is oval, and includes two lug parts 12a symmetrically disposed, the lug parts 12a are formed by projecting from the peripheral side surface 10c of the housing 10, and each lug part 12a is provided with a through hole 121. Due to the adoption of the oval flange 12, after the connector is connected with the vehicle-mounted electronic equipment, the reliable and stable connection is ensured, and the occupied space of the connector is reduced. Of course, in other embodiments, the shape of the flange 12 and the number of the through holes 121 may be set according to actual requirements, for example, the flange 12 is set to be circular or square, and the like, and the number of the through holes 121 may be one, two, or four, and the like.

As shown in fig. 3 and 4, the side wall of the flange 12 opposite to the mating connector is recessed inward in the axial direction of the connector to form a receiving groove 13, and the receiving groove 13 is used for assembling the seal ring 30. When the sealing device is used, the sealing ring 30 is assembled in the accommodating groove 13, so that the functions of water prevention and the like are realized. Specifically, the accommodation groove 13 has a groove outer wall 13a and a groove inner wall 13b that are disposed opposite to each other, and a groove bottom wall 13c that connects the groove outer wall 13a and the groove inner wall 13b, and the seal ring 30 abuts against the groove outer wall 13a of the accommodation groove 13, thereby ensuring sealability. Of course, in other embodiments, the sealing ring 30 may contact with the inner wall 13b of the receiving groove 13, or may contact with both the outer wall 13a and the inner wall 13b of the receiving groove 13, that is, the sealing ring 30 may contact with at least one of the outer wall 13a and the inner wall 13b of the receiving groove 13. In this embodiment, the accommodating groove 13 is a half dovetail groove, that is, the included angle α between the groove outer wall 13a and the groove bottom wall 13c is an acute angle, and an acute angle design is adopted, so that when the connector is butted with the butting connector, the sealing ring 30 deforms under the action of the butting connector, thereby partially entering a space formed between the groove bottom wall and the groove outer wall, improving the sealing performance, and when the sealing ring 30 is abutted to the groove outer wall of the half dovetail groove, ensuring sealing and facilitating installation, and being not easy to fall off. Of course, in other embodiments, the shape of the receiving groove 13 may be set according to actual requirements, for example, the receiving groove 13 is a dovetail groove, and the like, and the shape may be set according to actual requirements. In this embodiment, the angle between the outer groove wall 13a and the groove bottom wall 13c is an acute angle, but it is understood that in other embodiments, the angle between the inner groove wall 13b and the groove bottom wall 13c may be an acute angle.

Referring to fig. 2 and 3, the assembly hole 11 penetrates through the first end surface 10a and the second end surface 10b, and includes a receiving hole 111 and a glue injection hole 112, which are communicated with each other, the receiving hole 111 is used for assembling the conductive terminal set 20 and receiving a mating connector of the vehicle-mounted electronic device when the connector is connected with the vehicle-mounted electronic device, and the glue injection hole 112 is used for filling the sealant 40 after the conductive terminal set 20 is assembled in place, so as to implement waterproof processing. In implementation, after the conductive terminal group 20 is assembled in place through a specific tool, the glue injection hole 112 is filled with the sealant 40, and the part of the conductive terminal group 20 located in the glue injection hole 112 realizes waterproof and other functions under the action of the sealant 40.

Further, in order to avoid the overflow of the sealant 40 in the sealant injecting hole 112, a first chamfer 112a structure is provided at an inlet of the sealant injecting hole 112. By designing the inlet of the glue injection hole 112 to be a chamfer structure, the sealant 40 can be effectively prevented from overflowing before solidification. In addition, in order to reduce the setting time of the sealant 40, the sealant 40 may be heat-treated by heating or the like to rapidly set the sealant 40.

As shown in fig. 3, 5 and 6, the conductive terminal set 20 includes an outer conductor 21, an inner conductor 22 and an insulator, the outer conductor 21 is partially assembled in the assembly hole 11, that is, one end of the outer conductor 21 extends into the assembly hole 11, and the opposite end extends out of the assembly hole 11, however, in other embodiments, the outer conductor 21 may be completely assembled in the assembly hole 11, and may be selected according to actual requirements; the inner conductor 22 is fitted inside the outer conductor 21, the inner conductor 22 is disposed coaxially with the outer conductor 21, an insulator is provided between the inner conductor 22 and the outer conductor 21, one end of the inner conductor 22 is electrically connected to a mating connector of the in-vehicle electronic apparatus, and the opposite end is electrically connected to a cable.

Specifically, as shown in fig. 5, the outer conductor 21 has a hollow cylindrical structure, and has a first end portion 21a and a second end portion 21b that are oppositely disposed, and a mounting hole 211 that axially penetrates through the first end portion 21a and the second end portion 21b, wherein the first end portion 21a is located outside the mounting hole 11 after the outer conductor 21 and the housing 10 are assembled into a whole, and the second end portion 21b is located inside the glue injection hole 112 of the mounting hole 11 after the outer conductor 21 and the housing 10 are assembled into a whole, that is, the glue injection hole 112 of the mounting hole 11 completely covers the second end portion 21b of the outer conductor 21. Of course, in other embodiments, the outer conductor 21 may be completely located in the mounting hole 11, and may be selected according to actual requirements.

As shown in fig. 3, in order to realize that the outer conductor 21 is assembled and fixed in the assembly hole 11 of the housing 10, the outer conductor 21 is provided with a first assembly portion 212 formed to protrude outward in the radial direction from the outer side wall thereof, a second assembly portion 113 formed to protrude outward in the radial direction from the inner wall thereof is provided in the assembly hole 11, the first assembly portion 212 abuts against the second assembly portion 113 in the radial direction, that is, the outer conductor 21 is interference-fitted with the housing 10, and thus the outer conductor 21 is assembled in the assembly hole 11 of the housing 10. In this embodiment, in order to ensure a certain assembly margin, the length of the second assembly portion 113 in the axial direction thereof is greater than the length of the first assembly portion 212 in the axial direction thereof, but in other embodiments, the lengths of the two in the axial direction may be set according to actual requirements. Meanwhile, in order to facilitate the assembly of the first assembly portion 212 with the second assembly portion 113, the second assembly portion 113 of the assembly hole 11 is provided with a second chamfer 113a structure for facilitating the assembly of the first assembly portion 212 of the outer conductor 21.

As shown in fig. 5, in order to maintain the good electrical connection of the outer conductor 21 after the connection with the vehicle-mounted electronic device, at least one elastic contact portion 213 is disposed on the inner wall of the mounting hole 211 near the first end portion 21a, and the elastic contact portion 213 expands and deforms elastically outward along the radial direction of the outer conductor 21 when the outer conductor 21 is mated with the vehicle-mounted electronic device, so as to provide a larger space for the mating connector of the vehicle-mounted electronic device to be inserted into the mounting hole 211. When the docking connector of the vehicle-mounted electronic device is plugged in place, the elastic contact portion 213 generates an elastic restoring force, and the elastic restoring force enables the elastic contact portion 213 to abut against the docking connector of the vehicle-mounted electronic device, so that the docking connector is fixed and good electrical connection is ensured.

As shown in fig. 6, the inner conductor 22 is a column-shaped structure, and is fitted into the mounting hole 211 of the outer conductor 21, one end of the inner conductor 22 is provided with a receiving hole 221, the opposite end is provided with an electrical connection portion 222, the receiving hole 221 is used for connecting with a docking connector of the vehicle-mounted electronic device, and the electrical connection portion 222 is used for connecting with a cable of the vehicle-mounted electronic device. Specifically, the receiving hole 221 is formed by a plurality of elastic clamping portions 221a, that is, a plurality of elastic clamping portions 221a are formed by extending the end of the inner conductor 22 in the axial direction, the plurality of elastic clamping portions 221a converge toward the center to form the receiving hole 221, and the receiving hole 221 is in a closed state. In practice, during the process of inserting the mating connector of the vehicle-mounted electronic device into the receiving hole 221, the elastic clamping portion 221a is elastically deformed and continuously expands outward, so that the receiving hole 221 can receive the mating connector of the vehicle-mounted electronic device. When the docking connector of the vehicle-mounted electronic device is plugged in place, the elastic clamping portion 221a generates a restoring force, and the restoring force enables the elastic contact portion 213 to be abutted against the docking connector of the vehicle-mounted electronic device, so that the reliable transmission of signals is ensured while the contact portion is fixed.

As shown in fig. 6, the electrical connection portion 222 includes a connection hole 222 a. In implementation, the cables are respectively inserted into the connection holes 222a and fixed, and the fixing manner can be selected to press the electrical connection portion 222.

As shown in fig. 6, at least one barb structure 223 is further provided on the outer sidewall of the inner conductor 22. Through setting up barb structure 223, can prevent that the plug in-process, inner conductor 22 from taking place the displacement relative the insulator, and then improved the stability of connector.

The conductive terminal set 20 further includes a crimping sleeve (not shown) which is sleeved on the outer conductor of the cable and is fitted in the mounting hole 211 of the outer conductor, so as to ensure that the outer conductor 21 of the cable is electrically connected with the outer conductor 21 of the connector, and the outer conductor 21 of the connector is also tightly connected with the outer conductor 21 of the cable.

During implementation, the outer conductor 21, the inner conductor 22, the insulator, the crimping sleeve and the cable are assembled to form a cable assembly, the cable assembly is assembled into the assembly hole 11 of the shell 10 by using a specific tool, the assembly hole 11 is further filled with the sealant 40, after the sealant 40 is solidified, the sealing ring 30 is installed on the end face of the shell 10, which is in contact with the vehicle-mounted electronic equipment, finally the connector is connected with the butting connector of the vehicle-mounted electronic equipment, and the connector is fixedly connected with the vehicle-mounted electronic equipment through the flange 12 on the shell 10.

Connector, through the fixed connection who adopts flange joint's mode realization and on-vehicle electronic equipment, also realize stable connection when reducing the space and occuping, ensure that data is reliable, transmit steadily. Meanwhile, by adopting the sealing ring 30 and the sealant 40, the performances of the connector such as water resistance are improved, and if the connector reaches IPx7 level water resistance, the vehicle-mounted electronic equipment can be used under various severe conditions.

The technical contents and features of the present invention have been disclosed as above, however, those skilled in the art can still make various substitutions and modifications based on the teaching and disclosure of the present invention without departing from the spirit of the present invention, therefore, the protection scope of the present invention should not be limited to the contents disclosed in the embodiments, but should include various substitutions and modifications without departing from the present invention, and should be covered by the claims of the present patent application.

Claims

1. A connector, characterized in that the connector comprises

2. The connector of claim 1, wherein the assembly holes include a receiving hole and a glue injection hole which are communicated with each other, one end of the conductive terminal group is located in the glue injection hole, and the other end of the conductive terminal group extends to the outside of the assembly hole through the receiving hole.

3. The connector of claim 2, wherein a first chamfer is provided at an inlet of the glue injection hole.

4. The connector according to claim 1, wherein the conductive terminal group includes an outer conductor provided with a mounting hole extending in an axial direction, and an inner conductor fitted in the mounting hole, an inner wall of the mounting hole being provided with at least one elastic contact portion.

5. The connector of claim 4, wherein the set of conductive terminals further includes a crimp sleeve that is sleeved outside the cable and fits within the mounting hole of the outer conductor.

6. The connector according to claim 4, wherein the outer conductor is provided with a first fitting portion formed to project outward from an outer side wall thereof in a radial direction thereof, the fitting hole is provided with a second fitting portion formed to project outward from an inner side wall thereof in a radial direction thereof, and the first fitting portion and the second fitting portion are abutted by interference fit in the radial direction.

7. The connector according to claim 6, wherein a length of the first fitting portion in an axial direction thereof is smaller than a length of the second fitting portion in the axial direction thereof.

8. The connector according to claim 6, wherein the second fitting portion of the fitting hole is provided with a second chamfer facilitating fitting of the first fitting portion of the outer conductor.

9. The connector of claim 1, wherein a receiving groove is formed on a side wall of the flange opposite to the mating connector, and the sealing ring is disposed in the receiving groove.

10. The connector of claim 9 wherein said receiving groove has oppositely disposed outer and inner groove walls and a groove bottom wall connecting said outer and inner groove walls, said sealing ring abutting at least one of said outer and inner groove walls.

11. The connector of claim 10, wherein the angle between the outer or inner groove wall and the groove bottom wall is acute.