CN101609953A - USB joint with spinfunction - Google Patents

Abstract

The invention provides a kind of USB joint with spinfunction, it comprises interface section and rotating mechanism, the interface section comprises the insulating body that conducting terminal is housed, and rotating mechanism comprises mechanism's part with rotating shaft, is located at the fitting recess that the insulating body rear portion is used for the rotating shaft of kludge member; Establish secure fit portion in the wherein said rotating shaft, secure fit portion can not be arranged on the free end of rotating shaft, and the structure at its two ends directly contracts relatively; The USB joint further comprises reinforcement, and reinforcement is fixed on the insulating body and is positioned at the both sides of secure fit portion, and rotating shaft can not be moved along axis direction.The secure fit portion clamping that is provided with in the reinforcement that the present invention adopts metal and the rotating shaft cooperates the docking port part that rotating mechanism is fixed, can provide good frictional behaviour with respect to rotating shaft, not only can avoid mechanism's part along sliding on the direction of shaft axis, more the phenomenon that mechanism's part comes off can not occur from fitting recess.

Description

USB joint with spinfunction

[technical field]

The present invention relates to a kind of USB joint, especially about a kind of USB joint that is applied to portable electronic devices with spinfunction with spinfunction.

[background technology]

USB (universal serial bus) (Universal Serial Bus, USB) to have transmission speed fast for connector, easy to use, support hot plug, connect flexibly, characteristics such as independently-powered are widely used in the electron trade, can connect mouse, keyboard, printer, scanner, camera, flash disk, MP3, mobile phone, digital camera, portable hard drive, external smooth floppy drive, USB network interface card or the like nearly all external device.

So,, have very high utilization rate with the electronic installation that the USB joint links to each other.Some small-sized peripheral equipments on the present society, as card reader, network card or carry-on dish or the like, its USB joint all directly is attached on the equipment, but not the circumscribed USB joint, if it add the function of rotation, just can increase the convenience of use.

A kind of USB joint at the demand, it comprises interface section and tumbler; Described interface section comprises insulating body, described tumbler comprises provides the mechanism of rotating shaft part and fitting recess that the body rear end middle position that insulate is certainly offered forward, mechanism's part is a casting of metals spare, and described rotating shaft is mounted to fitting recess, and can rotate in fitting recess; Correspondence is provided with the mechanism that holds mutually in fitting recess and the rotating shaft, in order to avoid rotating shaft slides out from fitting recess.

Yet, when the rotating shaft of above-mentioned USB joint is rotated in the fitting recess of insulating body with respect to the interface section, metal rotating shaft friction insulating body, rotating shaft very easily occurs and will hold the situation that fixing position polishes or destroys in the fitting recess, tumbler got loose after product used a period of time, even the phenomenon that comes off from the interface section of the device that may rotate.

Given this, need to make improvement at above-mentioned USB joint with spinfunction.

[summary of the invention]

The invention provides and a kind ofly can improve the frictional behaviour between interface section and the rotating mechanism and the USB joint with spinfunction of adhesion.

The invention provides a kind of USB joint with spinfunction, it comprises interface section and rotating mechanism, the interface section comprises the insulating body that conducting terminal is housed, and rotating mechanism comprises mechanism's part with rotating shaft, is located at the fitting recess that the insulating body rear portion is used for the rotating shaft of kludge member; Establish secure fit portion in the wherein said rotating shaft, secure fit portion can not be arranged on the free end of rotating shaft, and the structure at its two ends directly contracts relatively; The USB joint further comprises reinforcement, and reinforcement is fixed on the insulating body and is positioned at the both sides of secure fit portion, and rotating shaft can not be moved along axis direction.

Compared with prior art, the secure fit portion clamping that is provided with in the reinforcement that the USB joint that the present invention has a spinfunction adopts metal and the rotating shaft cooperates docking port partly rotating mechanism to be fixed, can provide good frictional behaviour with respect to rotating shaft, even if use repeatedly for a long time, the contact friction part of reinforcement still can not be worn, therefore not only can avoid mechanism's part along sliding on the direction of shaft axis, more the phenomenon that mechanism's part comes off can not occur from fitting recess, make the bond strength of the two better.

[description of drawings]

Fig. 1 is the stereogram of USB joint of the present invention.

Fig. 2 is the schematic diagram that USB joint shown in Figure 1 is taken away the iron-clad on the interface section.

Fig. 3 is the cutaway view of USB joint shown in Figure 2 along the III-III line, has saved mechanism's part among this figure.

Fig. 4 is the rotating shaft of USB joint shown in Figure 1 and the schematic diagram that cooperates of elastic part.

Fig. 5 is the stereo amplification figure after shell is taken away in the rotating shaft of USB joint shown in Figure 4.

Fig. 6 is that cable passed the vertical view of connector after shell and linkage were partly taken away in USB joint shown in Figure 2 rotating shaft.

Fig. 7 is the stereo amplification figure of USB splice insulation body shown in Figure 2.

Fig. 8 is the stereo amplification figure of USB joint stiffening piece shown in Figure 2.

[embodiment]

See also Fig. 1 to Fig. 8, the invention provides a kind of USB joint 1 with spinfunction, comprise interface section 10 and rotating mechanism 11, wherein interface section 10 comprises insulating body 2, be loaded on the outer iron-clad 4 of one group of conducting terminal 3 in the insulating body 2 and cover insulating body outer 2, rotating mechanism 11 comprises the mechanism's part 6 with rotating shaft 62 that a circle gear hobbing 630 is set, be located at the fitting recess 20 that insulating body 2 rear portions are used for kludge member 6, the rear portion that is loaded on insulating body 2 cooperates the pair of resilient members 7 of rotating with the rotating shaft 62 of mechanism part 6, and the pair of reinforcing pieces 5 of adhesion between reinforcing mechanisms spare 6 and the insulating body 2.

Please join Fig. 2 and Fig. 7, insulating body 2 is roughly rectangular thin plate, the department of assembly 22 that it comprises the butt joint hyoplastron 21 that is positioned at the front portion and is positioned at the rear portion and links to each other with butt joint hyoplastron 21, department of assembly 22 is concordant with the bottom surface 211 of docking hyoplastron 21, thus the end face 220 of department of assembly 22 be higher than dock hyoplastron 21 end face 210 the two be step-like.The end face 220 of a pair of depressed part 28 self-assembly portions 22 is to the lower recess setting.The end face 220 of self-assembly portion 22 is arranged with the accommodating groove 23 that is used to connect up downwards, and the central position of the rear surface 24 of the body 2 that insulate is certainly offered the fitting recess 20 that is used for fitting machine member 6 forward, and at least a portion of fitting recess 20 is through to the end face 220 of department of assembly 22; Fitting recess 20 is connected with accommodating groove 23; Self-assembly groove 20 is convexly equipped with a pair of retaining wall 25 with accommodating groove 23 intersections from two side direction central authorities, and the gap between the retaining wall 25 is less than the width of fitting recess 20; Bilateral symmetry at fitting recess 20 is provided with a pair of slit 26 that is used for taking in reinforcement 5, slit 26 run through change join portion 22 end face 220 to the bottom surface 211 and communicate with fitting recess; Two sides 223 symmetries of the installing hole 27 self-assembly portions 22 of pair of resilient members 7 are inwardly offered, and be communicated with fitting recess 20, installing hole 27 is between slit 26 and rear surface 24, please join Fig. 3, each installing hole 27 is made up of greater than elastic portion accepting hole 272 two parts of sliding eye 271 diameter less sliding eye 271 and diameter, and sliding eye 271 is communicated with fitting recess 20.

Conducting terminal 3 is formed in back placement and the plastic cement mould by the sheet metal punching out and combines by mode and the insulating body 2 that embeds moulding.Conducting terminal 3 comprises that the protruding insulating body 2 that exposes docks the docking section 31 of the end face 210 of hyoplastrons 21, the Embedded Division (not shown) that combines with insulating body, and is exposed to the bonding wire portion 33 in the accommodating groove 23.Wherein bonding wire portion 33 is low in the middle of being, and the state arrangement of both sides perk presets before making things convenient for connection cable 8 welding.

Iron-clad 4 is set in the outside of insulating body 2, is flat cuboid tubular structure.The diapire 44 that iron-clad 4 comprises roof 40, be arranged in parallel with roof 40 and be connected roof 40 and the two side 43 of diapire 44.A pair of retaining sheet 42 is torn and is extended to iron-clad 4 inner inclination from roof 40, the position of depressed part 28 is corresponding on the position of retaining sheet 42 and the insulating body 2, when iron-clad 4 is filled to insulating body 2 outsides, retaining sheet 42 engages with depressed part 28, makes iron-clad 4 and insulating body 2 relative fixed by the two cooperation.Limiting section 41 from a position of roof 40 longitudinal centre lines to the inner recess of iron-clad 4, the depression direction of limiting section 41 is consistent with the bearing of trend of retaining sheet 42, and all be in the top of insulating body 2 departments of assembly 22, the description that carry out mechanism's part 6 its effect ginseng back.Position relative with the slit 26 of insulating body 2 on roof 40 is provided with and its width opening 45 about equally, also is provided with opening (not shown) with opening 45 corresponding positions on the diapire 44 of iron-clad 4; The width of the opening that is provided with on the diapire 44 is less than the width of the opening 45 of roof 40.

Please join Fig. 2 to Fig. 4, elastic component 7 is made up of spring 72 and push rod 71, is loaded in the installing hole 27 of insulating body 2.Wherein push rod 71 comprise be arranged in sliding eye 271 and relatively the column of its slip sliding part 710, be positioned at sliding part 710 1 free-ended hemispherical or circular-arc pressure sections 711, and another free-ended discoid fastener 712 that is positioned at sliding part 710.Fastener 712 is arranged in accepting hole 272, its diameter is greater than the diameter of sliding part 710, simultaneously also greater than the diameter of sliding eye 271, the fastener 712 of spring 72 flexi-mortgage push rods 71, and the diameter of its diameter and fastener 712 is suitable, the two is slightly less than the diameter of accepting hole 272, so after spring 72 and fastener 712 be encapsulated in the installing hole 72 by iron-clad 4, spring was in slight compressive state; The two can be in installing hole 27 sliding on the direction of the outside of connector when the pressure section 711 of push rod 71 is applied in certain pressure, and spring is further compressed; In externally applied forces when cancellation, under the effect of spring force, promote push rod 71 sliding on the direction at the center of connector, be obstructed when fastener 712 slides into the critical localisation of accepting hole 272 and sliding eye 271.And the length of sliding part 710 is greater than the length setting of sliding eye 271, and so, pressure section 711 can be pushed out in the fitting recess 20 and can cooperate with mechanism part 6.Spring 72 can provide enough elastic force to push rod 71, thereby the integral body that guarantees elastic component 7 when pressure section 711 is subjected to less pressure is still more stable, and when being subjected to bigger pressure in mortgage portion 711, mortgage portion 711 also can be pushed to suitable position.In the present embodiment, elastic component 7 is encapsulated in the insulating body 2 by iron-clad 4, in the practical application, can select other device to substitute the effect that iron-clad 4 reaches encapsulation elastic component 7, stator of not limitting such as material or the like.

Please join Fig. 2, Fig. 4 to Fig. 6, mechanism's part 6 is a casting of metals spare, and it comprises main part 60 and the independently vertically extending rotating shaft 62 of a side central position of body 60 that roughly is rectangular-shaped; Mechanism's part 6 links to each other with interface section 10 by rotating shaft 62.

Rotating shaft 62 is arranged in fitting recess 20, comprises the portion that is rotatably assorted 63 that is provided with a circle gear hobbing 630, connecting portion 620, the leading section 621 that connects be rotatably assorted portion 63 and main part 60, and the secure fit portion 622 that connects the leading section 621 and the portion 63 that is rotatably assorted.Wherein, the stable connection by secure fit portion 622 of rotating shaft 62 and fitting recess 20 realizes that it is with respect to the leading section 621 and portion's 63 constriction that are rotatably assorted, and diameter is less than the maximum gauge of the portion of being rotatably assorted 63 and the maximum gauge of leading section 621; After reinforcement 5 is mounted to the USB joint, grips the both sides of auxiliary section 622 and stop rotating shaft 62 in fitting recess 20, to be moved along the shaft centerline direction.The be rotatably assorted gear hobbing profile of portion 63 and the connection between gear hobbing is smooth camber line.Establish rotary spacing portion 623 and stop part 626 on the leading section 621, wherein rotary spacing portion 623 comprises superposed free rotational area 624 of being separated by the diameter of level on the cross section and the nonrotational district 625 that is positioned at the bottom, the radius of free rotational area 624 is less than the radius in nonrotational district 625, and the tangent plane at the two place, junction vertically connects, and promptly connects by joint face 628; Iron-clad 4 limiting sections 41 are corresponding with the position of rotary spacing portion 623, rotating shaft 62 was free to rotate when limiting section 41 was positioned at the top of free rotational area 624, joint face 628 stops rotating shafts 62 to be rotated further, so, nonrotationally distinguish 625 can not turn to limiting section 41 under the position; Therefore, during use, the maximum angle of rotating shaft rotation is 180 °, can prevent effectively that so cable is too much in the insulating body 2 contents winding number of turns, influences the serviceability of connector.Stop part 626 is established a pair of installation recess 627 on it between rotary spacing portion 623 and secure fit portion 622, it is corresponding with the tooth paddy of joint face 628 and gear hobbing that recess 627 is installed.

One end of main part 60 is provided with opening 69, other end and outwards is convexly equipped with cylinder boss 65, is arranged with accommodation section 64 from a side in main part; A pair of pairing rotating element 66 and spring 67 are loaded in the accommodation section 64, the stiff end 660 of rotating element 66 passes opening 69 and exposes outside the main part 60, the other end of spring 67 butt rotating elements 66, and the dead in line of the axis of rotating element 66 and boss 65, and with the axis normal of rotating shaft 62.It is (not shown that electric connector 1 is connected to electronic component by boss 65 and stiff end 660, as network card), and can be under the effect of external force around the rotational of rotating element 66, in rotating process, boss 65 can rotate relative to electronic component, pairing place of rotating element 66 can relatively rotate, and 67 pairs of these rotation processes of spring provide stable running required elastic force.The part and the boss 65 that run through rotating shaft 62, main part 60 form cable passage 61.Cross sectional shape is the outside that the shell 68 of L type covers in main part 60, with the spring 67 and the pairing place sealing of rotating element 66.

Please join Fig. 1 to Fig. 3, Fig. 6 and shown in Figure 8, reinforcement 5 is flat strip metallic stamping pieces, comprise position and the insertion end 50 of an end, be positioned at the matrix 51 of centre, and the welding ends 52 that is positioned at the other end.Wherein, the width of insertion end 50 is less, the side of insertion end 50 is substantially parallel with the side of matrix 51, both link to each other by joint face 53, insertion end 50 so is provided with, be convenient to guide girth member to insert in the slit 26 on the one hand, on the other hand, less insertion end 50 can just be placed in the opening of diapire 44; In the present embodiment, insertion end 50 protrudes out from the central position of matrix one end, and its both sides all link to each other by joint face 53 with the both sides of matrix 51, and promptly the axis about the longitudinally of matrix 51 is symmetric relation; In the process of practical application, insertion end 50 can also be arranged to asymmetrical state about the axis of the longitudinally of matrix 51, the both sides that are insertion end 50 all can connect by joint face 53, but the area of joint face 53 can be unequal, also can a side by joint face 53 link to each other with matrix 51, the side coplane of another side and matrix or the like.In the present embodiment, the width of welding ends 52 equates with matrix; In actual applications, its width can also be not equal to the width setting of matrix 51.The width of matrix 51 is greater than the width of the opening of iron-clad 4 diapires 44, and the width of insertion end 50 is less than the width of the opening of diapire 44, thereby prevents to come off from connector when reinforcement 5 from inserting from top to bottom.The opening 45 that reinforcement 5 passes iron-clad 4 roofs 40 by insertion end 50 is packed in insulating body 2 slits 26, and insertion end 50 is arranged in the opening of iron-clad 4 diapires 44; In the matrix 51 seat slits 26, a side of each matrix 51 protrudes out to the both sides that are held in rotating shaft 62 secure fit portions 622 in the fitting recess 20 respectively; Welding ends 52 is arranged in the opening 45 of iron-clad 4 roofs 40, and welding ends 52 is welded on the roof 44 of iron-clad 4, thereby reinforcement 5 is stably combined with iron-clad 4.Certainly, more firm in order to make reinforcement 5 with combining of iron-clad 4, also the insertion end 50 of reinforcement 5 can be soldered on the diapire 44 of iron-clad 4.

Each bar separated time of one end of cable 8 is fixing with bonding wire portion 33 welding of conducting terminal respectively, and the other end inserts and stretches out outside the cylinder boss 65 from the cable passage 61 of rotating shaft 62 front ends of mechanism's part 6 and links to each other with electronic component.Can sheathed fixture 81 outside cable 8, fixture 81 is fixed to retaining wall 25, and fixture 81 can be selected elasticity good insulation polymeric material, and itself and retaining wall 25 can be realized the relative fixed of the two by the mode of interference fit; Certainly, fixture 81 also can select for use other materials to be fixed to retaining wall 25 by other mode, and selected materials and fixed form are not enumerated one by one at this.

The assembling sequence of USB joint 1 is: a) each bar separated time of an end of cable 8 is placed on respectively in the bonding wire portion 33 of conducting terminal 3 and the mode by welding makes the two firm connection, and the other end of cable passes the cable passage 61 of mechanism's part 6 and exposes outside the cylinder boss 65; B) push rod 71 of elastic component 7, spring 72 orders are packed in the installing hole 27 of insulating body 2; C) iron-clad 4 is placed in outside the insulating body 2, its retaining sheet 42 holds with the depressed part 28 of insulating body 2; D) with in mechanism's part 6 flat insertion insulating bodies 2, be that rotating shaft 2 is inserted in the fitting recess 20, in this process, the pressure section 711 of each elastic component 7 slips over free rotational area 624, recess 624 is installed, rotary spacing portion 623, arrives the tooth root portion position between the gear hobbing 630 of the portion 63 that is rotatably assorted; E) reinforcement 5 is inserted in the opening of the slit 26 of opening 45, insulating body 2 of iron-clad 4 roofs and iron-clad 4 diapires 44 from insertion end 50, and is connected with opening 45 spot welding of iron-clad 4 to major general's welding ends 52; In the application process, also insertion end 50 can be connected with the spot welding of iron-clad diapire opening as required, thereby play the effect of strengthening connection between reinforcement 5, iron-clad 4, mechanism's part 6 threes.

In the use, interface section 10 can be rotated with respect to rotating mechanism 11, and this rotation is that the portion that is rotatably assorted 63 by elastic component 7 and mechanism's part 6 matches and realizes; When rotation relatively takes place in the two, be rotatably assorted portion 63 breaks away from a pair of tooth root position of initial fixation states, its gear hobbing is exerted pressure in the face of the pressure section 711 of the push rod 71 of elastic component 7, and push rod 71 is moved towards the outside of connector, and spring 72 is compressed, when the tooth top position of gear hobbing cooperates with pressure section 711, the decrement maximum of spring 72 is rotated further, spring 72 resiliences, under the promotion of its elastic force, make the portion of being rotatably assorted 63 turn to another and tooth root position and elastic component are supported keep stable; Rotate continuously, can hear " whip " sound.

Compared with prior art, secure fit portion 622 clampings that are provided with in the reinforcement 5 that the USB joint that the present invention has a spinfunction adopts metal and the rotating shaft cooperate 10 pairs of rotating mechanisms 11 of docking port part to fix, can provide good frictional behaviour with respect to rotating shaft, even if use repeatedly for a long time, the contact friction part of reinforcement 5 still can not be worn, therefore not only can avoid mechanism's part 6 along sliding on the direction of shaft axis, more the phenomenon that mechanism's part 6 comes off can not occur from fitting recess 20, the bond strength of the two is improved.

Except that present embodiment, secure fit portion 622 can be located in the rotating shaft optional position except that free end (being leading section 621) under the prerequisite that does not hinder rotating shaft to rotate, and secure fit portion 622 is with respect to the setting of directly contracting of other structures at its two ends.

In addition, the present invention also faces the position that connects at butted part 10 and rotating mechanism 11 and is in and is convexly equipped with retaining wall 25 on the insulating body, thus, position between fitting recess 20 and accommodating groove 23 forms the cavity of constriction, cable 8 passes from the cavity between the retaining wall 25, can effectively lower the friction number of times of cable 8 and 61 porch, cable passage of mechanism's part 6, thereby reduce the bad occurrence probability of use that occurs because of the cable friction.

Moreover, the elastic component 7 that adopts push rod 71 and spring 72 to combine the to form rotation between realization interface section 10 and the rotating mechanism 11 that matches with the portion that is rotatably assorted 63 of mechanism part 6, even if use frequent, spring 72 still can make elastic component 7 keep good elastic force, can not influence serviceability, the phenomenon of product rejection more can not occur; And the elastic component 7 after improving is installed in the rear portion of USB splice insulation body, can not take bigger space, complies with the development trend of electronic component miniaturization under the prerequisite that guarantees good serviceability.

More than be improvements of the present invention, certainly protection scope of the present invention should be not limited to the foregoing description, any modification or variation of having done according to spirit of the present invention, feature, all should be contained in protection scope of the present invention, for example reinforcement 5 can also be fixed on the insulating body 2, need thus the structure of reinforcement and insulating body is made some slight changes, the two can be mutually combined; So some variations also need take place in the assemble sequence of USB joint, and promptly first fitting machine member 6 is then installed reinforcement 5, then elastic component 7 are mounted in the installing hole 27, at last iron-clad 4 are covered to insulating body 2.

Claims (10)

1. USB joint with spinfunction, it comprises interface section and rotating mechanism, the interface section comprises the insulating body that conducting terminal is housed, and rotating mechanism comprises mechanism's part with rotating shaft, is located at the fitting recess that the insulating body rear portion is used for the rotating shaft of kludge member; It is characterized in that: establish secure fit portion in the described rotating shaft, secure fit portion can not be arranged on the free end of rotating shaft, and the structure at its two ends directly contracts relatively; The USB joint further comprises reinforcement, and reinforcement is fixed on the insulating body and is positioned at the both sides of secure fit portion, and rotating shaft can not be moved along axis direction.

2. the USB joint with spinfunction as claimed in claim 1, it is characterized in that: the bilateral symmetry of described fitting recess is provided with a pair of slit, and reinforcement is packed in the slit and is contacted with secure fit portion.

3. the USB joint with spinfunction as claimed in claim 2 is characterized in that: described reinforcement one has two, inserts respectively in the slit of fitting recess both sides correspondence.

4. the USB joint with spinfunction as claimed in claim 3 is characterized in that: slit runs through the end face of insulating body to the bottom surface; The USB joint further comprises the iron-clad that covers in outside the insulating body, and the position corresponding to slit on the roof of iron-clad and the diapire is provided with opening, in the slit of reinforcement insertion insulating body and the opening of iron-clad.

5. the USB joint with spinfunction as claimed in claim 4, it is characterized in that: reinforcement comprises the less insertion end of width, welding ends, and the matrix that connects the two, the width of matrix is greater than the width of the opening of iron-clad diapire, insertion end is inserted in the iron-clad diapire opening, and welding ends is arranged in the roof opening and is soldered to the roof of iron-clad.

6. the USB joint with spinfunction as claimed in claim 5, it is characterized in that: described insertion end protrudes out from the central position of matrix one end.

7. the USB joint with spinfunction as claimed in claim 6, it is characterized in that: described insertion end is soldered on the diapire of iron-clad.

8. the USB joint with spinfunction as claimed in claim 1 is characterized in that: described rotating shaft is provided with a circle gear hobbing, and a pair of elastic component that rotates and can make its location that cooperates with rotating shaft is equipped with at the rear portion of insulating body.

9. the USB joint with spinfunction as claimed in claim 8 is characterized in that: described elastic component is formed by push rod with the spring of push rod adjacency, the tooth paddy position between the gear hobbing of push rod difference butt rotating shaft both sides.

10. the piecing devices with spinfunction as claimed in claim 1, it is characterized in that: superposed free rotational area that the diameter of described rotating shaft level on free end is established by cross section separates and the nonrotational district that is positioned at the bottom, the radius of free rotational area is less than the radius in nonrotational district, and the tangent plane at the two place, junction vertically connects; Described iron-clad corresponding position above free rotational area is arranged with limiting section downwards.

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