WO2013017055A1

WO2013017055A1 - Connector and electronic device including said connector

Info

Publication number: WO2013017055A1
Application number: PCT/CN2012/079319
Authority: WO
Inventors: 肖聪图; 李朔
Original assignee: 华为技术有限公司
Priority date: 2011-07-29
Filing date: 2012-07-30
Publication date: 2013-02-07
Also published as: CN102290660A

Abstract

A connector and electronic device including connector are provided. The connector comprises a shell (100),an inner insulator(200) and a contact terminal(300). The inner insulator(200) is mounted in the shell(100)，the contact terminal(300) is set through the inner insulator(200), it is floatingly set along the axial direction of the contact terminal(300)between the shell(100) and the contact terminal(300). The electronic device includes mentioned connector, and after it makes the shell(100) tightly fixed on a structure panel(910), it does not exist installation stress between the contact terminal(300) and the circuit board, avoids weld cracking and other unhealthy phenomenon, and has high reliability, and the shell (100) of the connector and the contact terminal(300)are just set as up and down relatively floating, so that there is no need to weld wire on the contact terminal(300)during the packaging, the assembly process is simple, machining efficiency is high, and the production cost is low.

Description

Connector and electronic device including the same

The present invention belongs to the field of connector structures, and more particularly to a connector and an electronic device including the connector. Background technique

Current connectors, such as the D-Sub connector, are primarily used to provide connectivity between signals on the board and external signals, and are one of the most widely used inter-board interconnect solutions in electronic devices. The D-type connector consists of a rectangular outer casing with a D-shaped plastic plug-in end face. The concept of the D-type connector was developed from military connectors more than 40 years ago and was later widely used in commercial and military serials. Communication, telecommunications and local area networks. D-type connectors are widely used in the fields of communication, data, storage devices, etc., and have become the mainstream I/O (input/output, input/ Output) connection scheme. I/O applications are not lacking in new interconnect solutions. The D-type connector is one of the first solutions to solve the connection, and the most widely used and widely used I/O connector system.

In the prior art, for a connector such as a D-type connector, the contact terminals therein are mostly fixedly connected to the housing of the connector. As a connector for the external interface, it is often required to be installed in conjunction with a structural panel of an electronic device. The advantages of this type of installation are: Solving EMC (Electromagnetic Compatibility) problems, avoiding operational stresses such as insertion and removal, and long-term fatigue. Stress problem. However, the problems caused by this type of installation are: Due to the tolerances of structural components, PCB boards, connectors, etc., the connector cannot be closely matched with the structural panel. When the panel screws are installed, the contact terminals on the connector are applied. The installation stress causes problems such as cracking of the solder joints and poor reliability.

As shown in FIG. 1, the connector also has a split structure in the contact terminal of the prior art. Connect the two parts of the terminal 2 with metal wires. Specifically, the connector having the split structure includes two terminals 2 fixed on the plastic body 3 and metal wires 1 for connecting the two terminals 2. This solution can reduce the resistance of the terminal 2 within a certain range. Stress, however, the two-terminal 2 is connected by the metal wire welding process, the quality of the solder joint is not guaranteed; moreover, the terminal 2 will float during the plugging and unplugging process, the solder joint will be stressed, and there is still unreliable Sexual problem. In addition, the connector of the split structure has many complicated assembly processes and low efficiency in batch processing, which imposes high requirements on the process and processing, resulting in high production cost.

Summary of the invention

The object of the present invention is to overcome the above-mentioned deficiencies of the prior art, and to provide a connector and an electronic device including the connector. The housing of the connector can float relative to the contact terminal, thereby avoiding welding due to stress generated at the contact terminal. The problem of point cracking and the like is high, and the connector provided by the present invention is easy to prepare and has low production cost.

The technical solution of the present invention is: a connector comprising a housing, an inner insulator and a contact terminal, wherein the inner insulator is fixedly disposed in the housing, and the contact terminal is slidably disposed through the inner insulator.

Specifically, the contact terminal includes a limiting portion, a soldering portion protruding from one end of the limiting portion, and a connecting portion protruding from the other end of the limiting portion, and the inner insulator is provided with a receiving portion The limiting portion and the stepped hole for the connecting portion are provided.

Specifically, the two ends of the casing are provided with openings, including an upper casing and a lower casing, and the upper casing and the lower casing are fixedly connected and form an accommodating space for clamping the inner insulator.

More specifically, the upper case includes a side wall portion and an upper abutting portion extending laterally from an outer side of the side wall portion, and the lower case includes a lower fitting portion that is attached to the upper abutting portion The side wall portion extending longitudinally of the lower end of the bonding portion and the limiting portion extending laterally from the inner side of the side wall portion are provided, and the inner insulator is provided with a shoulder between the upper bonding portion and the limiting portion.

Specifically, a mounting locking member is connected to the housing. More specifically, the mounting locking member includes an inset nut and a screw threadedly coupled to the inner nut, and the housing is provided with a through hole, and the inner nut is fixed at the through hole.

Further, an outer insulator is further connected to the housing, and the outer insulator is sleeved on an outer side of the mounting locking member.

The present invention also provides a connector including a housing, an inner insulator and a contact terminal, the inner insulator being disposed in the housing, the contact terminal being disposed through the inner insulator, the inner insulator and the housing The contact terminals are fixedly disposed through or slidably disposed through the inner insulator.

Specifically, the two ends of the casing are provided with openings, including an upper casing and a lower casing, and the upper casing and the lower casing are fixedly connected and form an accommodating space for limiting the floating of the inner insulator.

The present invention also provides an electronic device comprising the connector described above.

The connector provided by the present invention and the electronic device including the same can compensate the cumulative tolerance of each part during processing by floating the housing between the housing and the contact terminal in the axial direction of the contact terminal; After the structural panel, there is no installation stress between the contact terminal and the circuit board, the reliability of the connection between the contact terminal and the circuit board is ensured, the occurrence of defects such as cracking of the solder joint is avoided, and the reliability is high; The connector and the electronic device including the connector only need to set the housing and the contact terminal of the connector to be relatively movable up and down, and it is not necessary to weld the wire on the contact terminal during assembly, and the assembly process is simple, and the processing efficiency is high. The production process, processing method, processing equipment are low, and the production cost of the product is low.

DRAWINGS

1 is a schematic plan view of a connector provided by the prior art;

2 is a cross-sectional view showing the connector before the floating relative to the contact terminal of the connector according to the first embodiment of the present invention;

Figure 3 is a partial enlarged view of the crucible in Figure 2;

Figure 4 is a cross-sectional view of the housing of Figure 2 after floating relative to the contact terminals;

Figure 5 is a partial enlarged view of the portion B in Figure 4; 6 is another schematic cross-sectional view of the connector in the connector according to the first embodiment of the present invention before the housing is in contact with the contact terminal;

7 is another schematic cross-sectional view of the connector in the connector according to the first embodiment of the present invention after floating relative to the contact terminal;

FIG. 8 is a cross-sectional view showing the connector before the floating relative to the contact terminal of the connector according to the second embodiment of the present invention; FIG.

Figure 9 is a partial enlarged view of the portion C in Figure 8;

Figure 10 is a cross-sectional view showing the connector in the connector of the second embodiment of the present invention after floating relative to the contact terminal;

Figure 11 is a partially enlarged schematic view of the portion D in Figure 10.

DETAILED DESCRIPTION OF THE INVENTION In order to make the objects, technical solutions and advantages of the present invention more comprehensible, the present invention will be further described in detail below with reference to the accompanying drawings. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Embodiment 1:

As shown in FIG. 2 to FIG. 5, a connector provided by an embodiment of the present invention includes a housing 100, an inner insulator 200, and a contact terminal 300. The inner insulator 200 is disposed in the housing 100. The housing 100 can be fixed on the structural panel 910 of the electronic device. The housing 100 can be made of a metal material to improve electromagnetic shielding performance and structural strength. The inner insulator 200 can be made of a material having good insulating properties such as plastic or ceramic. The contact terminals 300 can be provided in a plurality, depending on the actual situation. The contact terminal 300 is disposed through the inner insulator 200, and the housing 100 and the contact terminal 300 are floated in the axial direction of the contact terminal 300. One end of the contact terminal 300 can be soldered to a circuit board within the electronic device. With such a design, after the contact terminal 300 is fixedly soldered to the circuit board, the housing 100 can still axially float a certain distance relative to the contact terminal 300. In this way, when the housing 100 is fixed to the structural panel 910 of the electronic device, the position of the housing 100 can be adjusted according to actual conditions to absorb a large tolerance in the direction perpendicular to the structural panel 910, thereby avoiding the structural panel. 910. The contact terminal 300 is subjected to an external force due to the cumulative tolerance generated by the production, assembly, and the like. After the housing 100 is tightly fixed to the structural panel 910, there is no mounting stress between the contact terminal 300 and the circuit board. The reliability of the connection between the contact terminal 300 and the circuit board is ensured, and the occurrence of defects such as cracking of the solder joint is avoided, and the reliability is high. In addition, the connector provided by the embodiment of the present invention only needs to set the housing 100 and the contact terminal 300 to be relatively movable up and down, and it is not necessary to solder the wire on the contact terminal 300 during assembly, and the assembly process is simple, and the processing efficiency is high. The production process, processing method, processing equipment are low, and the production cost of the product is low. In this embodiment, the floating stroke between the housing 100 and the contact terminal 300 is 0 to 3 mm. It should be understood that the floating stroke between the housing 100 and the contact terminal 300 may be determined according to the actual situation, as long as the housing 100 and the contact terminal 300 are relatively floating, which are all within the protection scope of the present invention.

Specifically, as shown in FIG. 4, a mounting locking member 400 is attached to the housing 100, and the mounting locking member 400 is used to fix the housing 100 of the connector to the structural panel 910 of the electronic device or other suitable mounting position. .

More specifically, as shown in FIG. 2 to FIG. 4, the mounting locking member 400 includes an inset nut 410 and a screw 420 screwed to the contact terminal 300. The housing 100 is provided with a through hole, and the inner nut 410 is fixed to the through hole. Hole. In this embodiment, the insert nut 410 is fixed to the through hole by reverse riveting. Correspondingly, the structural panel 910 of the electronic device is provided with a mounting hole 911. The screw 420 is disposed on the mounting hole 911 and is screwed onto the insert nut 410 to lock the housing 100 to the structural panel 910 for easy assembly and disassembly. . Alternatively, the housing 100 may be fixed to the structural panel 910 by a suitable means such as bolting or riveting, all of which are within the scope of the present invention.

Further, as shown in FIG. 2 to FIG. 7, an outer insulator 500 is further connected to the casing 100, and the outer insulator 500 is sleeved on the outer side of the mounting lock member 400. In this embodiment, the outer insulator 500 is sleeved on the outer side of the inner nut 410, and the inner nut 410 is slidable relative to the outer insulator 500. The outer insulator 500 can be made of a material having good insulating properties such as plastic or ceramics, and can function as an isolation, protection, and positioning.

Specifically, as shown in FIG. 2 to FIG. 7 , the inner insulator 200 is fixedly disposed in the housing 100, and is connected. The contact terminal 300 is slidably disposed through the inner insulator 200 such that the housing 100 can float forward and backward relative to the contact terminal 300. In a specific application, there is a certain friction between the contact terminal 300 and the inner insulator 200 to prevent the contact terminal 300 from falling off before being soldered to the circuit board, and the structure is simple, the production cost is low, and the assembly is easy. The housing 100, the inner insulator 200 and the inner nut 410 may constitute an integral part; the contact terminal 300 and the outer insulator 500 may constitute another integral component, and the front integral component and the latter integral component may slide along the axial direction of the contact terminal 300. Thereby, the tolerance formed by the structural components, the circuit board, the connector and the like mating components are absorbed, so that the housing 100 can be closely matched with the structural panel 910, and at the same time, the stress at the soldering of the contact terminal 300 and the circuit board is prevented, and the solder joint is prevented from being cracked. , high reliability. More specifically, a limiting structure may be disposed between the contact terminal 300 and the inner insulator 200, so that the contact terminal 300 and the inner insulator 200 can be smoothly slid on the one hand, and the contact terminal 300 can be prevented from the inner insulator on the other hand. 200 off. The limiting structure may be a convex portion protruding from the outer side wall of the contact terminal 300 and a receiving groove disposed on the inner insulating body 200 for the convex portion to slide within a certain range; in addition, the limiting structure may be other suitable Structure.

Specifically, as shown in FIG. 2 to FIG. 5 , the contact terminal 300 includes a limiting portion 310 , a soldering portion 320 protruding from the limiting portion 310 , and a connecting portion 330 protruding from the other end of the limiting portion 310 . The 320 may be fixedly connected to the circuit board by soldering or the like, and the connection portion 330 is used for connection with another connector or cable. The inner insulator 200 is provided with a stepped hole 201 for receiving the limiting portion 310 and for the connecting portion 330 to pass through. By providing the stepped hole 201 and the limiting portion 310, the contact terminal 300 can be prevented from coming off the inner insulator 200 during the process of plugging and unplugging the connector with another connector or cable.

Specifically, as shown in FIG. 2 to FIG. 5, the housing 100 is provided with openings at both ends thereof, including an upper casing 110 and a lower casing 120. The upper casing 110 and the lower casing 120 are fixedly connected and formed for clamping the inner insulator 200. The accommodation space. In practical applications, the upper case 110 and the lower case 120 may be fixedly connected by screwing, welding or riveting to form an annular cavity to sandwich the inner insulator 200. The upper shell 110 and the lower shell 120 may be stamped and formed by a metal plate through a stamping die. The advantages of high production efficiency and low production cost. More specifically, as shown in FIG. 4 and FIG. 5, the upper casing 110 includes a side wall portion 111 and an upper abutting portion 112 extending laterally from the outer side of the side wall portion 111. In the present embodiment, the longitudinal section of the upper casing 110 is "L" shape. The lower case 120 includes a lower abutting portion 121 that abuts the upper abutting portion 112, a side wall portion 122 that extends longitudinally from a lower end of the lower abutting portion 121, and a limiting wall 123 that extends laterally from the inner side of the side wall portion 122. The inner insulator The shoulder 200 is provided with a shoulder between the upper fitting portion 112 and the limiting wall 123, in this embodiment. The longitudinal section of the lower case 120 has a "Z" shape. The upper bonding portion 112, the side wall portion 122, and the limiting wall 123 form the above-described accommodation space.

The connector provided by the embodiment of the present invention can be used for the connection of a board to a board, a board to a line, a line to a board, and the like. The above connectors can be D-type connectors, MDR connectors ( Mini D ribbon connectors, pocket D-type ribbon connectors), SCSI (Small Computer Systems Interface), DVI (Digital Visual Interface), interactive digital video System) connector, P&D (Plug and Display) connector, DFP (Digital Flat Panel) connector, Champ connector or Delander connector.

Embodiments of the present invention also provide an electronic device including the above connector. The electronic device can be a computer, a display, a server, a mobile phone, or the like. Alternatively, the above connector may be applied to an electronic board such as a motherboard or a graphics card. For the specific assembly, the soldering portion 320 on the contact terminal 300 can be fixedly soldered to the circuit board inside the electronic device by soldering or the like, and then the screw 420 is used to pass through the structural panel 910 of the electronic device and locked to the embedded nut. 410, the housing 100 is fixed on the structural panel 910. Since the housing 100 and the contact terminal 300 can float up and down, when the housing 100 is locked on the structural panel 910, even the structural panel 910, the circuit board, etc. There are tolerances in the production and assembly process, and there is no mechanical stress between the contact terminal 300 and the circuit board, which ensures the reliability of the connection between the contact terminal 300 and the circuit board, thereby improving the reliability of the electronic device.

Embodiment 2:

As shown in FIG. 8 to FIG. 11 , a connector provided by an embodiment of the present invention includes a housing io ( , Inner insulator 20 (and contact terminal 30 (, inner insulator 20 (provided in housing io (inside. housing io (can be fixed on the electronic device on the structural panel 9i (upper, housing io (can be made of metal material, to Improve electromagnetic shielding performance and structural strength; Inner insulator 20 (can be made of plastic or ceramics with good insulating properties. Contact terminal 30 (may be provided with a large number, depending on the actual situation. The inner insulator 2 (x Interacting with the housing io and floating, the contact terminal 30 (fixed through or sliding through the inner insulator 20 (the contact terminal 30 can be soldered to the circuit board inside the electronic device) With such a design, when the contact terminal 30 is fixedly soldered to the circuit board, the housing io (still relative to the contact terminal 30 (axially floats a certain distance. Thus, when the housing io (fixed to the electronic device) The structural panel 9i (on the top, the position of the housing 100' can be adjusted according to the actual situation to absorb the larger tolerance in the direction perpendicular to the structural panel 910', which can avoid the components such as the structural panel 910 and the circuit board. The cumulative tolerance generated by the production, assembly, etc. causes the contact terminal 30 (withstand external force, and the housing loo' is tightly fixed to the structural panel 9i (after the upper contact terminal 30 (there is no mounting stress between the board and the board, ensuring contact) Terminal 30 (reliability with the connection between the board and the board, avoiding the occurrence of defects such as cracking of the solder joints, and high reliability.

Specifically, as shown in FIG. 8 to FIG. 11, the housing io (with the mounting locking member 40 attached thereto), the mounting locking member 40 (for housing io of the connector (fixed to the structural panel 9i of the electronic device) (or other suitable installation location.

More specifically, as shown in FIGS. 8 to 11, the locking member 40 is mounted (including the inset nut 4i (and the screw 42 that is screwed to the contact terminal 30 (in this embodiment, the inset nut 4i (through the opposite The rivet is fixed at the through hole. Screw 42 (threaded to the insert nut 4i (upper, to lock the housing i (x, locked on the structural panel 9i).

Further, as shown in FIG. 8 to FIG. 11, the housing io is further connected with an outer insulator 50 (the outer insulator 50 (the outer sleeve of the inner nut 4i is sheathed). the outer insulator 50 (plastic or ceramic, etc. may be used). Made of a material with good insulation properties, it can function as an isolation, protection and positioning. Specifically, as shown in FIG. 8 to FIG. 11, the inner insulator 20 (with the housing io (cooperating and floating between the inner insulator 20 and the outer casing 20 (with a certain portion in the axial direction) The displacement can compensate for the cumulative tolerance of each part during machining. By contacting the contact terminal 30 (with the inner insulator 20 (assembled into a single piece, and the inner insulator 20 is slidably placed in the housing io (inside, through such a design, when in contact) Terminal 30 (fixed to the circuit board, the housing io (can also be relative to the inner insulator 20 (and the contact terminal 30 (axial floating a certain distance to eliminate the structural panel 9i (, circuit board and other components due to production, assembly, etc.) The cumulative tolerance generated by the process, the housing io (fixed to the structural panel 9i (after the contact terminal 30 (there is no mounting stress between the board and the board, ensuring the reliability of the connection between the terminal 30 and the board, avoiding The occurrence of defects such as cracking of solder joints is highly reliable.

Specifically, as shown in FIG. 8 to FIG. 11, the housing io (opening at both ends) includes an upper casing no and a lower casing i2 (the upper casing ii is fixedly connected with the lower casing 120 and formed to be internally The insulator 20 (floats the space for limiting the position. In practical applications, the upper shell no, the lower shell

The 120' can be fixedly connected by screwing, welding or riveting to form an annular cavity, and the inner insulator 2 (x can float up and down in the annular cavity. Upper shell no and lower shell

120' can be stamped and formed by stamping die, which has the advantages of high production efficiency and low production cost.

Embodiments of the present invention also provide an electronic device including the above connector.

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the spirit and scope of the present invention should be included in the scope of the present invention. Inside.

Claims

Rights request

A connector, comprising a housing, an inner insulator, and a contact terminal, wherein the inner insulator is fixedly disposed in the housing, and the contact terminal is slidably disposed through the inner insulator.

The connector according to claim 1, wherein the contact terminal comprises a limiting portion, a soldering portion protruding from one end of the limiting portion, and a connection protruding from the other end of the limiting portion. The inner insulator is provided with a stepped hole for receiving the limiting portion and for allowing the connecting portion to pass through.

The connector according to claim 1 or 2, wherein the housing is provided with openings at both ends thereof, including an upper case and a lower case, and the upper case and the lower case are fixedly connected and formed for The accommodating space of the inner insulator is clamped.

The connector according to claim 3, wherein the upper case includes a side wall portion and an upper fitting portion extending laterally from an outer side of the side wall portion, the lower case including the top sticker a lower fitting portion that is attached to the joint portion, a side wall portion extending longitudinally from a lower end of the lower fitting portion, and a limiting portion extending laterally from an inner side of the side wall portion, wherein the inner insulator is disposed on the upper surface The shoulder between the joint and the limit.

The connector according to claim 1 or 2, characterized in that the housing is connected with a mounting locking member.

The connector according to claim 5, wherein the mounting locking member comprises an inset nut and a screw threadedly coupled to the inner nut, and the housing is provided with a through hole, An inset nut is fixed to the through hole.

The connector according to claim 5, wherein the housing is further connected with an outer insulator, and the outer insulator is sleeved on an outer side of the mounting locking member.

A connector, comprising a housing, an inner insulator and a contact terminal, wherein the inner insulator is disposed in the housing, the contact terminal is disposed through the inner insulator, and the inner insulator and the shell The body is matched and floated, and the contact terminal is fixedly disposed through or slidably disposed through the inner insulator.

The connector according to claim 8, wherein the housing is provided with openings at both ends thereof, including an upper shell and a lower shell, wherein the upper shell and the lower shell are fixedly connected and formed for the opposite The floating of the inner insulator is used to limit the accommodation space.

An electronic device, comprising the connector according to any one of claims 1 to 9.