WO2012041091A1

WO2012041091A1 - Electrical connector with rotating function

Info

Publication number: WO2012041091A1
Application number: PCT/CN2011/076447
Authority: WO
Inventors: 邹晓玲
Original assignee: 深圳市德仓科技有限公司
Priority date: 2010-09-30
Filing date: 2011-06-27
Publication date: 2012-04-05
Also published as: CN201918617U

Abstract

An electrical connector with a rotating function comprises an interface part (10) and a rotating mechanism (11). The interface part includes an insulating body (2) on which a plurality of conductive terminals (3) are mounted. The insulating body includes a mounting groove (20). The rotating mechanism includes a rotating pivot (82) mounted to the mounting groove and a blocking piece (50). The rotating pivot includes a front end portion (821), a rear end portion (83) and a fixing portion (822) which is located between the two portions and constricted comparing with the two portions. The mounting groove includes a fixing mounting groove (202) which corresponds to the fixing portion of the rotating pivot and holds the blocking piece. The rotating pivot is mounted into the mounting groove from top to down. The blocking piece includes an inserting cut (53) which is inserted around the outside surface of the fixing portion to fix the right, left and upper sides of the fixing portion, in order to prevent the rotating pivot from moving in the horizontal direction, the axial direction and the vertical direction, which enables the rotating pivot to be fixed firmly in the interface part.

Description

Electrical connector with rotation function

Technical field

The present invention relates to an electrical connector having a rotating function, and more particularly to an electrical connector having a rotating function applied to a portable electronic device.

Background technique

Universal Serial Bus Interface (Universal Serial Bus, USB The electrical connector has the characteristics of fast transmission speed, convenient use, hot plugging, flexible connection and independent power supply. It is widely used in the electronics industry and can be connected to mouse, keyboard, printer, scanner, camera, flash drive, Almost all external devices such as MP3, mobile phones, digital cameras, mobile hard drives, external optical floppy drives, USB NICs, and more.

So, with USB The electronic device connected to the electrical connector has a high usage rate. Nowadays, some small peripheral devices such as card readers, network cards or flash drives, etc., are directly attached to the device instead of external USB. The joint, if added with the function of rotation, can increase the convenience of use.

A USB for the above needs The electrical connector includes an interface portion and a rotating mechanism. The interface portion includes an insulating body with a conductive terminal and an iron shell covering the outside of the insulating body. The insulating body includes a mounting groove at the rear, and the rotating mechanism includes a receiving body. a shaft and a pair of reinforcing members in the fitting groove. a middle of the rotating shaft is provided with a ring of recesses, and the mounting groove is provided with a pair of slits on the left and right sides of the concave slot, and a pair of openings are arranged on the iron shell corresponding to the position of the slit, and the pair of reinforcing members are from the iron shell The opening is inserted into the slits of the insulating body and the left and right sides of the recess so that the rotating shaft cannot move in the horizontal direction and the axial direction.

However, the above USB The rotating shaft of the electrical connector is easily moved in a vertical direction perpendicular to the axial direction and the horizontal direction, and the combination of the rotating shaft and the interface portion is not strong and is easy to shake.

In view of this, improvements are required for the above-described electrical connector having a rotating function.

technical problem

In order to solve the technical problem that the prior art shaft and the interface part are not firmly combined, it is necessary to provide an electric connector with a rotating function in which the rotating shaft and the interface part are firmly combined.

Technical solution

An electrical connector having a rotating function includes an interface portion and a rotating mechanism. The interface portion includes an insulative housing having a plurality of electrically conductive terminals, and the insulative housing includes a mounting slot. The rotating mechanism includes a rotating shaft mounted to the mounting groove and a fastener, the rotating shaft includes a front end portion, a rear end portion and a fixing portion between the two and which are necked relative to each other, the mounting groove includes A fixing fitting groove corresponding to the fixing portion of the rotating shaft and fixing the fastener. The rotating shaft is loaded into the mounting groove from above and below, the fastener includes a socket, and the socket is inserted on the outer surface of the fixing portion, and the left and right sides and the upper side of the fixing portion are fixed to prevent the rotating shaft from being horizontal Move in the axial direction and vertical direction.

Compared with the prior art, the electric connector with rotation function of the present invention is inserted into the outer surface of the fixing portion from top to bottom by a fastener having a socket, and the upper side and the left and right sides of the fixing portion are fixed to prevent The movement of the rotating shaft in the horizontal direction, the axial direction and the vertical direction, so that the rotating shaft is firmly fixed to the interface portion.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of an electrical connector having a rotating function of the present invention.

Figure 2 is a perspective view of the protective connector with the rotating function shown in Figure 1 with the protective cover removed.

Figure 3 is a perspective view of the protective connector and the iron casing on the interface portion of the electrical connector having the rotating function shown in Figure 2.

4 is a perspective enlarged view of the electrical connector insulative housing having the rotating function shown in FIG. 3.

Figure 5 is a perspective view of the rotating mechanism of the electrical connector having the rotating function shown in Figure 3.

Fig. 6 is an enlarged perspective view showing a rotating portion of the electrical connector having a rotation function shown in Fig. 5.

Fig. 7 is an exploded enlarged view of the elastic member of the electrical connector having the rotary function shown in Fig. 5.

Figure 8 is a perspective enlarged view of the fastener of the electrical connector having the rotary function shown in Figure 5.

Figure 9 is a perspective enlarged view of the elastic ring and the rubber ring of the electrical connector having the rotating function shown in Figure 5.

Embodiments of the invention

Referring to FIG. 1 to FIG. 9 , the present invention provides an electrical connector 1 having a rotating function, including an interface portion 10 and a rotating mechanism 11 , wherein the interface portion 10 includes an insulative housing 2 and is mounted in the insulative housing 2 . A set of conductive terminals 3, an iron shell 4 covering the outside of the insulating body 2, and a protective cover 12 disposed outside the iron shell 4. The rotating mechanism 11 includes a machine member 6 for providing a cable passage, a rotating portion 8 connected to the machine member 6 by a screw, and a pair of elastic members 7 mounted on the rear portion of the insulating body 2 to rotate with the rotating portion 8. A reinforcing member 5 for reinforcing the bonding force between the rotating portion 8 and the insulative housing 2 and a limiting member 9 housed in the insulative housing 2 for restricting the rotation angle of the rotating portion 8.

Referring to Figures 2 to 4, the insulative housing 2 is generally a rectangular thin plate comprising a mating tongue 21 at the front and a fitting portion 22 at the rear and connected to the mating tongue 21, the fitting portion 22 and the butt tongue The bottom surface 211 of the plate 21 is flush, and the top surface 220 of the fitting portion 22 is higher than the top surface 210 of the abutting tongue plate 21 so that both are stepped. The fitting portion 22 includes a housing groove 23 for wiring, a fitting groove 20 for mounting the rotating portion 8, a pair of elastic member mounting holes 27 for mounting the elastic member 7, and a restriction member for mounting the restriction member 9. The receiving hole 29 is received. The receiving groove 23 is recessed downward from the top surface 220 of the fitting portion 22.

The mounting groove 20 is opened forward from a central position of the rear surface 24 of the insulative housing 2, at least partially penetrates to the top surface 220 of the mounting portion 22, and communicates with the receiving groove 23, and includes a front end mounting groove 201 and a rear end assembly. The groove 203 and a fixing fitting groove 202 between the front end fitting groove 201 and the rear end fitting groove 203, the fixing fitting groove 202 is recessed to both sides with respect to the front end fitting groove 201 and the rear end fitting groove 203. The restricting member receiving hole 29 is opened inward from a side surface 223 of the mounting portion 22, and includes a shallow depth positioning hole (not labeled) and a deep depth limiting hole (not labeled), and the positioning hole passes through the limiting hole and The front end fitting groove 201 is in communication. The elastic member mounting holes 27 are symmetrically opened inward from the two side faces 223 of the mounting portion 22, and each of the elastic member mounting holes 27 has a small diameter sliding matching hole 271 and a cylindrical receiving hole having a diameter larger than the sliding matching hole 271. The 272 is composed of two parts, and the sliding fitting hole 271 is in communication with the rear end fitting groove 203.

Referring to FIGS. 5 and 7, the elastic member 7 is composed of a hollow sleeve 71, a spring 72 and a metal ball 73, and is mounted in the elastic member mounting hole 27 of the insulating body 2. The sleeve 71 includes a sliding engagement portion 710 in the sliding engagement hole 271 and a locking portion 712 in the cylindrical receiving hole 272. The diameter of the locking portion 712 is larger than the diameter of the sliding engagement portion 710 and is also larger than the diameter of the sliding engagement hole 271. The locking portion 712 and the sliding engagement portion 710 are penetrated by a concentric cylindrical through hole 713, and the inner diameter of the end of the sliding engagement portion 710 The circular opening 711 is formed to be smaller, the diameter of the columnar through hole 713 is slightly larger than the diameter of the metal ball 73, and the diameter of the circular opening 711 is smaller than the diameter of the columnar through hole 713 and the metal ball 73. The metal ball 73 and the spring 72 are sequentially loaded into the sleeve 71 from the locking portion 712, and a part of the metal ball 73 is exposed outside the sleeve 71, and the spring 72 elastically presses the metal ball 73.

Referring to FIG. 6, the rotating portion 8 includes a connecting portion 81 for connecting to the machine member 6, and a rotating shaft 82 connected to the connecting portion 81. The connecting portion 81 has a pair of screw holes 811, and the machine member 6 has another pair of screw holes corresponding to the screw holes 811, and the connecting portion 81 is connected to the machine member 6 by screws. The rotating shaft 82 is located in the mounting groove 20 and includes a cable passage 810 extending from the front to the rear, a front end portion 821, a rear end portion 83 provided with a circle of the recess 830, and a fixing of the connecting front end portion 821 and the rear end portion 83. Part 822. Wherein, the stable connection of the rotating shaft 82 and the fitting groove 20 is realized by the fixing portion 822, which is necked with respect to the front end portion 821 and the rear end portion 83, and has a diameter smaller than a maximum diameter of the rear end portion 83 and a maximum diameter of the front end portion 821; The connection between the surface of the recess 830 of the rotation fitting portion 33 and the pit 830 is a smooth curve. The front end portion 821 is provided with a blocking portion 826 and a rotation limiting portion 823 extending forward from the blocking portion 826. The region where the rotation limiting portion 823 is located constitutes a non-rotating region 824, and the region other than the rotation limiting portion 823 constitutes a Free rotation zone 827.

Referring to FIG. 5, the restricting member 9 includes a positioning portion 90 located in the positioning hole and a restricting portion 91 partially located in the restricting hole. The restricting portion 91 extends into the front mounting groove 201 through the restricting hole to rotate freely. The region 827 is directed to the center of the rotation restricting portion 823; the shape of the positioning portion 90 and the restricting portion 91 may be a rectangular parallelepiped shape or a cylindrical shape. When the interface portion 10 is rotated relative to the rotating mechanism 11, the restricting member 9 is also rotated with respect to the rotation restricting portion 823 in the free rotation portion 827, and the restricting member 9 is rotated by the limit at the boundary between the freely rotating portion 827 and the non-rotating portion 824. Portion 823 blocks and cannot enter non-rotating zone 825. Therefore, in use, the maximum angle of rotation of the rotating shaft 62 is 180°, so that the number of windings of the cable in the insulating body 2 is effectively prevented, which affects the performance of the connector.

Referring to FIG. 2 to FIG. 5 and FIG. 8 to FIG. 9 , the reinforcing member 5 includes a fastener 50 inserted outside the fixing portion 822 , a rubber ring 54 disposed on the fixing portion 822 , and between the two. The two snaps of the elastic ring 55. The fastener 50 is a thin metal plate having a circular arc-shaped socket 53. The inner diameter of the circular arc-shaped socket 53 is substantially equal to the outer diameter of the fixed portion 822, and the arc angle is greater than 180 degrees and less than 300 degrees. The fastener 50 is inserted from the top to the bottom on the outer side of the fixing portion 822, and fixes the left and right sides and the upper side of the fixing portion 822 so that the fixing portion cannot move in the horizontal direction X, the axial direction Y, and the vertical direction Z. . Each of the elastic rings 55 includes first and

second grooves

553 and 554 respectively on the front and back sides. The first and

second grooves

553 and 554 are spaced apart along the circumference of the ring, and the first groove of the elastic ring 55 is disposed. 513 is engaged with the second groove 554 of the other elastic ring. The rubber ring 54 and the elastic ring 55 can more securely fix the fastener 50 to the fixed fitting groove 202, thereby firmly fixing the rotating portion 8. In practical applications, the socket 53 may also be rectangular. In this case, the length in the vertical direction Z is greater than or equal to half of the outer diameter of the fixing portion 822, and the length in the horizontal direction X is substantially equal to the fixing portion 822. Outer diameter.

Referring to FIG. 2, the iron shell 4 is set on the outside of the insulative housing 2, and has a flat rectangular tubular structure. The iron shell 4 includes a top wall 40 and a bottom wall 44 disposed in parallel with the top wall 40. An opening 45 is formed on the top wall 40 at a position opposite to the fixed fitting groove 202 and the rear mounting groove 203 of the insulative housing 2, and is substantially rectangular.

The assembly sequence of the electrical connector 1 having a rotating function is: a) sequentially inserting the metal ball 73 and the spring 72 into the sleeve 71, and inserting the elastic member 7 into the elastic member mounting hole 27 of the insulating body 2; b) The restricting member 9 is inserted into the restricting member receiving hole 29; c) the iron shell 4 is sleeved outside the insulating body 2; d) the rotating portion 8 and the main body portion 60 are fixed by screws; e) the rubber ring 54 is sleeved from the front end to the rotating shaft The fixing portion 822 of the 82, the elastic ring 55 of the buckle is sleeved to the fixing portion 822, the fastener 50 is inserted into the fixing portion 822, and the rotating shaft 82 of the rotating portion 8 is inserted into the insulating body from the opening 45 of the iron shell 4 from top to bottom. 2, that is, the rotating shaft 82 is inserted into the fitting groove 20, the rubber ring 54, the elastic ring 55 and the fastener 50 are fitted into the fixing fitting groove 202 of the insulating body 2; f) the protective cover 12 is sleeved on the corresponding iron shell of the fitting groove 20 4, the shaft 82 is closed.

During use, the interface portion 10 is rotatable relative to the rotating mechanism 11, which is achieved by the engagement of the elastic member 7 and the recess 830 of the rear end portion 63 of the rotating shaft 82; when the two are relatively rotated, the elastic member 7 is The position of the dimple 830 is rotated to the position of the other pair of dimples 830; continuous rotation, a "click" sound can be heard.

Compared with the prior art, the fastener 51 of the present invention is inserted from the top to the bottom on the outer side surface of the fixing portion 822, and the left and right sides and the upper side of the fixing portion 822 are fixed, so that the rotating portion 8 can be firmly fixed in the insulation. The mounting groove 20 of the body 2 cannot move in the horizontal direction X, the vertical direction Z, and the axial direction Y. In addition, the reinforcing member 5 further includes a snap ring elastic ring 55 and a rubber ring sleeved on the fixing portion 822, and the card The fasteners 50 are fixed together in the fixed fitting groove 202 of the insulative housing 2, so that the rotating portion 8 is more firmly fixed in the fitting groove 20 of the insulative housing 2.

The present invention should not be limited to the above embodiments. For example, the fastener 50 may further include two opposite fixing members each having a slit, wherein one fixing member fixes the left side and the upper side of the fixing portion 822, and the other fixing member is fixed. The right side and the upper side of the fixing portion 822, the socket 53 is formed between the two fixing members; or the fastener 50 includes a fixing member having a slit and a holding member, and the fixing member fixes the upper side of the fixing portion 822 And the left side, the holding member is fixed to the right side, and the socket 53 is formed between the fixing member and the holding member.

Claims

An electric connector having a rotating function, comprising an interface portion and a rotating mechanism, the interface portion comprising an insulative housing having a plurality of conductive terminals, the insulative housing comprising a mounting groove, the rotating mechanism comprising a rotating shaft And a card fastener, the rotating shaft includes a front end portion, a rear end portion and a fixing portion between the two and which are necked with respect to the two, the mounting groove includes a fixing portion corresponding to the rotating shaft and fixes the fastener The fixed mounting groove is characterized in that: the rotating shaft is loaded into the mounting groove from top to bottom, the fastener includes a socket, and the socket is inserted into the outer surface of the fixing portion, and the left and right sides of the fixing portion are fixed. Side and upper side.
The electrical connector with a rotating function according to claim 1, wherein said socket is arc-shaped.
The electrical connector with rotation function according to claim 2, wherein the inner diameter of the circular arc socket is equal to the outer diameter of the fixed portion, and the arc angle is greater than 180 Degree is less than 300 degrees.
Claims 1 The electrical connector with a rotating function is characterized in that: the socket is rectangular, the length of the rectangular socket in the horizontal direction is equal to the outer diameter of the fixing portion, and the length in the vertical direction is greater than or equal to the outer diameter of the fixing portion. Half of it.
Claims 1 The electrical connector with a rotating function is characterized in that: the fastener comprises two opposite fixing members, each fixing member includes a slit, wherein a fixing member fixes the left side and the upper portion of the fixing portion by using the slit thereof On the side, the other fastener member utilizes the right side and the upper side of the slit fixing portion, and the two slits constitute the socket.
Claims 1 The electrical connector with a rotating function is characterized in that: the fastener includes a fixing member having a slit and a holding member, and the fixing member fixes the upper side of the fixing portion and the left and right sides by a slit. On one side, the holding member fixes the other side of the left and right sides, and the slit and the holding member together constitute the socket.
Claims 1 The electric connector with a rotating function is characterized in that the rotating mechanism further comprises a set of rubber rings disposed outside the fixing portion, and the rubber ring and the fastener are fixed together in the fixing assembly groove.
Claim 7 The electrical connector with a rotating function, characterized in that the rotating mechanism further comprises at least one set of elastic rings disposed outside the fixing portion, between the fastener and the rubber ring, and fixed together in the fixed assembly groove.
According to claim 8 The electrical connector with a rotating function is characterized in that: the elastic ring comprises first and second grooves respectively located on the front and back sides, and the first and second grooves are arranged along the circumference of the ring.
Claims 1 The electrical connector with a rotating function is characterized in that: the interface portion comprises an iron shell covering the outside of the insulating body and a protective cover disposed outside a part of the iron shell corresponding to the mounting groove.
Claims 1 The joint device with a rotating function is characterized in that it comprises a restricting member that is accommodated in the insulating body to limit the rotation angle of the rotating mechanism.
Claim 11 The joint device with a rotating function is characterized in that the insulating body is a rectangular thin plate, and comprises a mating tongue plate at the front portion and a fitting portion at the rear portion and connected to the mating tongue plate. The mounting portion is flush with the bottom surface of the mating tongue, the top surface of the mounting portion is higher than the top surface of the mating tongue, so that both are stepped; the fitting portion includes the mounting groove, and a receiving groove for wiring, a pair of elastic member mounting holes for mounting the elastic member, and a restricting member receiving hole for mounting the restricting member.
Claims 12 The joint device with a rotating function is characterized in that the receiving groove is recessed from a top surface of the fitting portion.
Claims 12 The joint device having a rotating function, wherein the fitting groove is opened forward from a central position of a rear surface of the insulating body, at least a portion penetrates to a top surface of the fitting portion, and is The receiving groove is in communication, comprising a front mounting groove, a rear mounting groove, and the fixing fitting groove between the front mounting groove and the rear mounting groove, the fixing fitting groove being opposite to the front mounting groove and the The rear mounting groove is recessed to both sides.
Claims 14 The joint device with a rotating function is characterized in that the elastic member mounting hole is symmetrically opened inward from both sides of the mounting portion, and each elastic member mounting hole is formed by a small diameter sliding matching hole and a The cylindrical receiving hole having a diameter larger than the sliding matching hole is composed of two parts, and the sliding matching hole communicates with the rear end mounting groove.
Claim 15 The joint device with a rotating function is characterized in that it comprises a pair of elastic members mounted on a rear portion of the insulating body and rotating with the rotating mechanism, the elastic member is composed of a hollow sleeve, a spring and A metal ball is assembled and mounted in the elastic member mounting hole.
Claims 16 The joint device with a rotating function, wherein the sleeve includes a sliding engagement portion in the sliding engagement hole and a locking portion in the cylindrical receiving hole, the locking The diameter of the portion is larger than the diameter of the sliding engagement portion and is also larger than the diameter of the sliding engagement hole, and the locking portion and the sliding engagement portion are penetrated by a concentric cylindrical through hole, and the end of the sliding engagement portion The inner diameter is reduced to form a circular opening having a diameter slightly larger than a diameter of the metal ball, the circular opening having a diameter smaller than the cylindrical through hole and the diameter of the metal ball.
Claim 17 The joint device with a rotating function, wherein the metal ball and the spring are sequentially loaded into the sleeve from the locking portion, and part of the metal ball is exposed outside the sleeve. The spring elastically presses against the metal ball.
Claims 14 The joint device with a rotating function is characterized in that: the front end portion is provided with a blocking portion and a rotation limiting portion extending forward from the blocking portion, wherein a region where the rotation limiting portion is located constitutes a non-rotation The area, the area other than the rotation limit portion constitutes a free rotation area.
Claim 19 The joint device with a rotating function is characterized in that the restricting member receiving hole is opened from a side of the fitting portion, and includes a shallow depth positioning hole and a deep depth limiting hole. The positioning hole communicates with the front end fitting groove through the limiting hole.
Claim 20 The joint device with a rotating function, wherein the restricting member includes a positioning portion located in the positioning hole and a portion of the restricting portion located in the limiting hole, the restricting portion via the limiting hole The freely rotating region extending into the rotation limiting portion is directed to the center of the rotation limiting portion.
Claims 21 The joint device with a rotating function is characterized in that the positioning portion and the restricting portion have a rectangular parallelepiped shape or a cylindrical shape.