CN203877666U - Flexible circuit board rolling device - Google Patents

Abstract

The utility model relates to the technical field of rolling devices, in particular to a flexible circuit board rolling device which comprises a left shell, a right shell, a rotating plate, an upper volute spiral spring and a lower volute spiral spring. According to the flexible circuit board rolling device, the left shell and the right shell are mutually buckled to form a shell and closely fit, the connecting area can be increased, vertical separation does not occur easily, and therefore the shell is stable and firm in structure; moreover, the upper volute spiral spring and the lower volute spiral spring are symmetrically arranged, and an upper center shaft and a lower center shaft are symmetrically arranged, so that a balanced double-spring structure is formed; when a flexible circuit board telescopes, divergency force or tightening force of the springs and reaction power are dispersed on the upper portion and the lower portion of the rotating plate in a balanced mode, so that stress on the rotating plate is balanced, and the rotating plate rotates smoothly and can not be damaged easily.

Description

A kind of flexible PCB reeling-up reeling-out device

Technical field

The utility model relates to reeling-up reeling-out device technical field, relates in particular to a kind of flexible PCB (be FPC, claim again flexible circuit board) reeling-up reeling-out device.

Background technology

At present, reeling-up reeling-out device is applied in the rolling of the wire rod of the products such as wired earphone, mouse, keyboard, charger conventionally.If China Patent No. is the free-ended wire rod roll-up apparatus of 200620116285.6 disclosed a kind of list, and China Patent No. is 200620116284.1 disclosed a kind of two free-ended wire rod roll-up apparatus.Its principle is, by the scrolling elastic force of volute spiral spring, make wire rod according to spiral path or the rolling of hoop Path generation, and when pulling out use, rely on outer clip power of volute spiral spring, cause the start of pulling out wire rod, slightly pind down, but this holdback force still can overcome easily, therefore make this type of wire rod receiving, volume all has a trajectory path, and the restraining of the application of force, therefore can furl smoothly and pull out wire rod.

In recent years, some producer is applied to reeling-up reeling-out device the rolling of flexible PCB, different from traditional wire rod roll-up apparatus, it need to roll up what put is wider and flat flexible PCB, for example: be applied in server, one end of flexible PCB is connected in the mainboard of server, hard disk or the circuit card that the other end is connected in server, and the hard disk of server or circuit card are drawing and pulling type structure; When the hard disk of server or circuit card one end are drawn out, the flexible PCB of reeling-up reeling-out device is stretched; When the hard disk of server or circuit card one end are pushed again, reeling-up reeling-out device carries out automatic winding to flexible PCB; So, while doing the straight-line motion of rolling or stretching in the limited space of machine box for server, reeling-up reeling-out device can be pulled out the length of flexible PCB as required, and when pulling out, flexible PCB can keep certain tension force and balancing force, make originally longer flexible PCB can with the electronic component of numerous high temperature in narrow space, keep stable safety distance.

Early stage flexible PCB reeling-up reeling-out device, as shown in Fig. 1～2, mainly comprises upper shell 101, lower house 102, rotating disk 103, volute spiral spring 104, disk cover 105.One-body molded under four angles of upper shell 101 have 4 to go up plastic column 101_1, one-body molded 4 lower plastic column 102_1 that have correspondence on four angles of lower house 102, the bottom of upper plastic column 101_1 is provided with flange, is provided with the ring-shaped step mating with flange in the top of lower plastic column 102_1.The lower house 102 center one-body molded center shaft 106 that has that makes progress, the top of center shaft 106 offers draw-in groove.Rotating disk 103 offers the axis hole corresponding with center shaft 106, the top of rotating disk 103 is provided with for placing the disposal area 103_1 of volute spiral spring 104, and the outside of rotating disk 103 is one-body molded bluff piece 107, between the outside of bluff piece 107 and rotating disk 103, form clamping district, clamping district is a bit larger tham the thickness in monolayer of flexible PCB 108.Its assembling process is: first, flexible PCB 108 is inserted in to the clamping district of rotating disk 103; Then, volute spiral spring 104 is put into the disposal area 103_1 of rotating disk 103, and the draw-in groove of the inside center end of volute spiral spring 104 by center shaft 106 blocks, the outer end of volute spiral spring 104 is connected in rotating disk 103; Then, disk cover 105 is fastened on to the top of rotating disk 103; Then the center shaft 106 of, the axis hole of rotating disk 103 being aimed to lower house 102 inserts; Then, the flange of the upper plastic column 101_1 bottom of upper shell 101 is inserted to the ring-shaped step on the lower plastic column 102_1 top of lower house 102, upper shell 101 and lower house 102 are fastened, 4 upper plastic column 101_1 and 4 lower plastic column 102_1 form two plastic columns in left side, two plastic columns on right side, and one end of flexible PCB 108 passes between two plastic columns in left side, the other end passes between two plastic columns on right side; Finally, by modes such as screw lockings, upper shell 101 is fixedly connected with lower house 102.Its flexible principle of work is: when initial condition, flexible PCB 108 is set around the periphery of rotating disk 103; When needs are pulled out flexible PCB 108, can flexible PCB 108 can be stretched by the one or both ends of flexible PCB 108 are pulled, make flexible PCB 108 in extended configuration; Now, as long as decontrol or along with rotating disk 103 freely rotates, rotating disk 103 is understood and be rotated under the scrolling elastic force of volute spiral spring 104, thereby flexible PCB 108 is set around again to the periphery of rotating disk 103, and reply initial condition, makes flexible PCB 108 automatic windings.

The weak point of early stage flexible PCB reeling-up reeling-out device is: 1, upper shell 101 and the upper-lower casing structure that lower house 102 forms, and only depend on 4 plastic columns to support, only there are 4 point of connection, easily depart from up and down, structure is firmly stable not; 2, only there is a volute spiral spring 104, and volute spiral spring 104 is positioned at the top of rotating disk 103, when flexible PCB is when 108 stretch, application of force during the dispersing or be becoming tight of volute spiral spring 104 concentrates on the top of rotating disk 103 with counter being used as power, make the force unbalance that is subject to of rotating disk 103, cause rotating disk 103 to rotate and have some setbacks, even damage.

Utility model content

The purpose of this utility model is to provide for the deficiencies in the prior art that a kind of Stability Analysis of Structures is firm, dial rotation is smooth and easy, do not allow damageable flexible PCB reeling-up reeling-out device.

The purpose of this utility model realizes by following technical measures: a kind of flexible PCB reeling-up reeling-out device, it includes left shell, right shell body, rotating disk, upper volute spiral spring, lower volute spiral spring, described left shell and right shell body mutually fasten and form body skin, and described left shell, right shell body all offer the line outlet that can pull out for flexible PCB; In the top of described rotating disk, be provided with in disposal area, bottom and be provided with lower disposal area, described upper volute spiral spring is placed in the upper disposal area of described rotating disk, and described lower volute spiral spring is placed in the lower disposal area of described rotating disk; The top of described body skin is provided with center shaft, bottom is provided with lower center shaft, described upper center shaft stretches into the upper disposal area of described rotating disk and blocks described upper volute spiral spring, described lower center shaft stretches into the lower disposal area of described rotating disk and blocks described lower volute spiral spring, and described rotating disk is placed in described body skin rotationally; And the arranged outside of described rotating disk is useful on the bluff piece of clamping flexible PCB.

The utility model beneficial effect is: left shell of the present utility model and right shell body fasten and the body skin that forms mutually, and left and right fits tightly, and can increase connection area, is not easy to depart from up and down, thereby has firmly body skin of Stability Analysis of Structures; And, the utility model is by symmetrically arranged upper volute spiral spring and lower volute spiral spring, upper center shaft and lower center shaft, form the double-spring structure of balance, when flexible PCB is when flexible, application of force during the dispersing or be becoming tight of spring and the anti-balance that is used as power are scattered in the upper and lower of rotating disk, make rotating disk stress balance, thus make dial rotation smooth and easy, be not easy to damage.

Accompanying drawing explanation

Fig. 1 is the decomposing schematic representation of early stage flexible PCB reeling-up reeling-out device.

Fig. 2 is the structural representation that early stage flexible PCB reeling-up reeling-out device conceals volute spiral spring and flexible PCB.

Fig. 3 is the decomposing schematic representation of the utility model embodiment 1.

Fig. 4 is the structural representation that the utility model embodiment 1 conceals flexible PCB, upper volute spiral spring, lower volute spiral spring, upper registration mast and lower registration mast.

Fig. 5 is the structural representation that Fig. 4 conceals right shell body.

Fig. 6 is the structural representation at another visual angle of Fig. 5.

Fig. 7 is the structural representation of the right shell body of the utility model embodiment 1.

Fig. 8 is the structural representation of rotating disk, bluff piece and the lower rotary table lid of the utility model embodiment 1.

Fig. 9 is the decomposing schematic representation of Fig. 8.

Figure 10 is the birds-eye view of Fig. 8.

Figure 11 is the A-A cutaway view of Figure 10.

Figure 12 is the structural representation of the upper outside turning cylinder sheet of the utility model embodiment 1.

Figure 13 is the structural representation at another visual angle of Figure 12.

Figure 14 is the structural representation of the top rotary table lid of the utility model embodiment 1.

Figure 15 is the decomposing schematic representation of the utility model embodiment 2.

Figure 16 is the structural representation that the utility model embodiment 2 conceals flexible PCB, upper volute spiral spring and lower volute spiral spring.

Figure 17 is the structural representation that Figure 16 conceals right shell body.

Figure 18 is the structural representation of right shell body, right side metal mainstay and the lower registration mast of the utility model embodiment 2.

In Fig. 1～2, include:

101---upper shell, 101_1---upper plastic column, 102---lower house, 102_1---lower plastic column, 103---rotating disk, 103_1---disposal area, 104---volute spiral spring, 105---disk cover, 106---center shaft, 107---bluff piece, 108---flexible PCB;

In Fig. 3～18, include:

1---left shell, 2---right shell body, 3---rotating disk, 31---upper disposal area, 32---lower disposal area, 33---lower flange, 34---run through through hole, 41---upper volute spiral spring, 42---lower volute spiral spring, 51---upper center shaft, 52---lower center shaft, 6---bluff piece, 61---clamping district, 71---upper outside turning cylinder sheet, 71_1---lug boss, 71_2---sector grooves, 72---lower outside turning cylinder sheet, 81---top rotary table lid, 81_1---upper groove, 81_2---upper circular hole, 82---lower rotary table lid, 82_1---low groove, 82_2---lower circular hole, 91---line outlet, 92---semi-circular recesses, 93---upper registration mast, 94---upper knock hole, 95---lower registration mast, 96---lower knock hole, 97---upper flange, 98---draw-in groove, 99---screens, 10---flexible PCB, 90_1---window, 90_2---position-limited trough, 90_3---left side metal mainstay, 90_4---right side metal mainstay, 90_5---position, hole.

The specific embodiment

Below in conjunction with accompanying drawing, the utility model is further described.

Embodiment 1

Please refer to Fig. 3～14, flexible PCB reeling-up reeling-out device of the present utility model, it includes left shell 1, right shell body 2, rotating disk 3, upper volute spiral spring 41, lower volute spiral spring 42.Left shell 1 fastens and formation body skin mutually with right shell body 2, specifically, in the present embodiment, the left end that the right-hand member of left shell 1 offers groove, right shell body 2 forms the raised line mating with groove of protrusion, raised line sticks in groove, and left shell 1 and right shell body 2 are fastened.Left shell 1 of the present utility model fastens and the body skin of formation mutually with right shell body 2, and left and right fits tightly, and can increase connection area, is not easy to depart from up and down, thereby has firmly body skin of Stability Analysis of Structures.Certainly, can also distinguish banding circle of snapping in top outer, the bottom outside of body skin, can be annular iron ring, and with banding left shell 1 and right shell body 2, prevention left shell 1 splits with right shell body 2; Or, in left shell 1 and upper end, the lower end of upper end, lower end and the rear side seams of the front side seams of right shell body 2, attaching parts is set, it can be attachment hardware, left shell 1 is fixed in one end of attaching parts, the other end is fixed on right shell body 2, left shell 1 is firmly connected with right shell body 2, and prevention left shell 1 splits with right shell body 2.

And left shell 1 of the present utility model, right shell body 2 all offer the line outlet 91 that can pull out for flexible PCB 10, two line outlets 91 are relative, one end of flexible PCB 10 can be pulled out from one of them line outlet 91, the other end pulls out from another line outlet 91.

In the top of the utility model rotating disk 3, be provided with in disposal area 31, bottom and be provided with lower disposal area 32 (as shown in figure 11), upper volute spiral spring 41 is placed in the upper disposal area 31 of rotating disk 3, and lower volute spiral spring 42 is placed in the lower disposal area 32 of rotating disk 3; The top of body skin is provided with center shaft 51, bottom is provided with lower center shaft 52, upper center shaft 51 stretches into the upper disposal area 31 of rotating disk 3 and blocks volute spiral spring 41, lower center shaft 52 stretches into the lower disposal area 32 of rotating disk 3 and blocks lower volute spiral spring 42, rotating disk 3 is placed in body skin rotationally, and the arranged outside of rotating disk 3 is useful on the bluff piece 6 of clamping flexible PCB 10.Said structure, 31Yu Xia disposal area, upper disposal area 32 is symmetrical arranged, upper volute spiral spring 41 is symmetrical arranged with lower volute spiral spring 42, upper center shaft 51 is symmetrical arranged with lower center shaft 52, form the double-spring structure of balance, when flexible PCB 10 is when flexible, application of force during the dispersing or be becoming tight of spring (upper volute spiral spring 41 with lower volute spiral spring 42) and the anti-balance that is used as power are scattered in the upper and lower of rotating disk 3, make rotating disk 3 stress balances, thus make rotating disk 3 rotate smooth and easy, be not easy to damage.

Preferably, the top of body skin is provided with circular upper outside turning cylinder sheet 71, the top that upper outside turning cylinder sheet 71 covers at rotating disk 3, and the top end face of upper outside turning cylinder sheet 71 forms circular lug boss 71_1, the top of left shell 1, the top of right shell body 2 all offers the semi-circular recesses 92 mating with the lug boss 71_1 of upper outside turning cylinder sheet 71, the semi-circular recesses 92 of left shell 1 and the semi-circular recesses 92 of right shell body 2 are altogether, just be stuck in the outside of lug boss 71_1, make the lug boss 71_1 of outside turning cylinder sheet 71 be connected in rotationally the top of body skin.The bottom of outside turning cylinder sheet 71 is fixed on the top of upper center shaft 51, makes outside turning cylinder sheet 71 drive rotating disk 3 to rotate by upper center shaft 51.

The connecting element that upper outside turning cylinder sheet 71 is also provided with for being fixedly connected with body skin, when needed, can upper outside turning cylinder sheet 71 be fixedly connected with body skin by connecting element, for example: in the present embodiment, the connecting element of upper outside turning cylinder sheet 71 is upper registration mast 93, body skin, the lug boss 71_1 of upper outside turning cylinder sheet 71 offers knock hole 94 on same straight line, in the present embodiment, the top of left shell 1, the lug boss 71_1 of upper outside turning cylinder sheet 71, the top of right shell body 2 offers knock hole 94 on same straight line, when upper registration mast 93 is arranged in upper knock hole 94, due to blocking of upper registration mast 93, make outside turning cylinder sheet 71 be with body skin the state of being fixedly connected with, otherwise when not inserting registration mast 93, upper outside turning cylinder sheet 71 is free to rotate.

Therefore, from said structure, when upper registration mast 93 does not insert upper knock hole 94, can go up outside turning cylinder sheet 71 by rotation, in drive, center shaft 51 rotates, then is screwed upper volute spiral spring 41 and rotating disk 3 is rotated and rolling flexible PCB 10 by upper center shaft 51; Relatively, when upper registration mast 93 inserts upper knock hole 94, fixing due to upper outside turning cylinder sheet 71,, by pulling out flexible PCB 10 when rotating disk 3 is rotated, can make volute spiral spring 41 open.The benefit of this structure is, because upper outside turning cylinder sheet 71 has the function that turns rotating disk 3 from outward, so, can be after all parts of assembling, from outside by outside turning cylinder sheet 71 rotating, screw upper volute spiral spring 41 again, then, upper registration mast 93 is inserted to upper knock hole 94, can assemble, assemble more convenient.Because early stage flexible PCB reeling-up reeling-out device, when assembling, need to first screw volute spiral spring, then install the parts such as housing, assembling trouble.

Preferably, the lug boss 71_1 of upper outside turning cylinder sheet 71 offers the sector grooves 71_2 of being convenient to turn from outward, when upper registration mast 93 does not insert upper knock hole 94, can rotate easily upper outside turning cylinder sheet 71 by sector grooves 71_2.

Those of ordinary skills should be understood that according to said structure and principle, can be symmetrical arranged in the bottom of body skin identical mechanism, realize from outside, lower end and turn rotating disk 3.For example: in the present embodiment, the bottom of body skin be provided with the lower outside turning cylinder sheet 72 of upper outside turning cylinder sheet 71 symmetries, with the lower registration mast 95 of upper registration mast 93 symmetries, thereby can from, turn rotating disk 3 from upper and lower two ends, to there is the turning effort of balance simultaneously.Therefore, one end of body skin arranges and from outward, to turn rotating disk 3 mechanisms or two ends and arrange simultaneously and from outward, turn rotating disk 3 mechanisms, all should belong to protection domain of the present utility model.

Specifically, the top of upper center shaft 51 can be formed in one in the bottom of upper outside turning cylinder sheet 71, the bottom of lower center shaft 52 for example can be formed in one, in the top of lower outside turning cylinder sheet 72: adopt integrally moulded center shaft 51 and upper outside turning cylinder sheet 71, the lower center shaft 52 and lower outside turning cylinder sheet 72 made, certainly, center shaft and outside turning cylinder sheet also can be divided into two parts and produce, for example: the top of upper center shaft 51 is the bottom that connects and fixes outside turning cylinder sheet 71, the bottom of lower center shaft 52 is the top that connects and fixes lower outside turning cylinder sheet 72, with the asynchronous demand of application strength of material in response to outside turning cylinder sheet and center shaft, because center shaft is once the inside center end that engages volute spiral spring, center shaft can be subject to the tension force that volute spiral spring stretches or shrinks, outside turning cylinder sheet can become for plastics, and center shaft can be made for more bearing the metal of powerful tension force and more very thin diameter.

Preferably, the bottom of bluff piece 6 is one-body molded has circular lower rotary table to cover 82.Lower rotary table lid 82 offers low groove 82_1, the bottom of rotating disk 3 is protruding with the lower flange 33 mating with the low groove 82_1 of lower rotary table lid 82, when mounted, the lower flange 33 of rotating disk 3 inserts in the low groove 82_1 of lower rotary tables lid 82, make lower rotary table the cover 82 snappings bottom of being fixed on rotating disk 3, the outside that bluff piece 6 is fixed on rotating disk 3.And between bluff piece 6 and rotating disk 3, be configured for the clamping district 61 of clamping flexible PCB 10, lower rotary table lid 82 also offers the lower circular hole 82_2 passing for lower center shaft 52.The top snapping of rotating disk 3 is fixed with top rotary table lid 81, top rotary table lid 81 offers upper groove 81_1, the top of the top of rotating disk 3, bluff piece 6 is all protruding with the upper flange 97 mating with the upper groove 81_1 of top rotary table lid 81, when mounted, the upper flange 97 of rotating disk 3 inserts in the upper groove 81_1 of top rotary table lid 81.And the external diameter of the external diameter of top rotary table lid 81, lower rotary table lid 82 is all slightly smaller than the internal diameter of body skin.Compare with early stage flexible PCB reeling-up reeling-out device, the benefit of said structure is: 1, rotating disk 3 is two independently parts with bluff piece 6, bluff piece 6 can freely be taken off, be convenient to assembling, and can avoid the technical current dark and thin narrow mould withdrawing pattern spatial accuracy that still can not overcome of plastic injection, relatively can strive for out larger rotating disk 3 spaces, also can make flexible PCB 10 pack the operation of rotating disk 3 outer surfaces into more easy; 2, independently rotating disk 3 and bluff piece 6, make rotating disk 3 functional requirements because a simple object of placing volute spiral spring only, and the single ring type structure that becomes, the tension and relaxation state of more strong and unlikely round inner volute spiral spring so rotating disk 3 becomes and produce deformation or destruction.

Preferably, the middle part of rotating disk 3 offers the circular through hole 34 that runs through, run through through hole 34 and be communicated with 32 center, Yu Xia disposal area, 31 center, upper disposal area, the bottom of center shaft 51 is placed in the top of running through through hole 34, the top of lower center shaft 52 is placed in the bottom of running through through hole 34, and upper center shaft 51 offers for blocking the draw-in groove 98 of the inside center end of upper volute spiral spring 41, the top of rotating disk 3 offers for blocking the screens 99 of the outer end of upper volute spiral spring 41, lower center shaft 52 offers for blocking the draw-in groove 98 of the inside center end of lower volute spiral spring 42, the bottom of rotating disk 3 offers for blocking the screens 99 of the outer end of lower volute spiral spring 42, certainly, upper center shaft 51 with lower center shaft 52 on same vertical straight line, form the rotating shaft of rotating disk 3, therefore, rotating disk 3 can rotate reposefully around upper center shaft 51 and the rotating shaft that lower center shaft 52 forms.

Preferably, as shown in Figure 3,4, the utility model left shell 1 is closed shell with the body skin that right shell body 2 forms, and this closed shell is cylindric, make whole reeling-up reeling-out device there is mellow and full external form, be conducive to smooth and easy gliding motility at the interiors of products such as machine box for server of narrow and small and limited space, and lower the problem that may produce interference on cabinet inside assembly when avoiding the collision of cabinet internal cause sharp angles or stopping and produce the straight-line motion that advances or retreat of the design's module product.

Assembling process of the present utility model is: first, upper volute spiral spring 41 is put into the upper disposal area 31 of rotating disk 3, the lower disposal area 32 that lower volute spiral spring 42 is put into rotating disk 3, and make the outer end of volute spiral spring 41 block the screens 99 on rotating disk 3 tops, the screens 99 of rotating disk 3 bottoms is blocked in the outer end of lower volute spiral spring 42; Then, flexible PCB 10 is placed in the outside of rotating disk 3, the more fixing bluff piece 6 of snapping, and flexible PCB 10 is connected in the clamping district 61 forming between bluff piece 6 and the outside of rotating disk 3; Then, top rotary table is covered to the top that 81 snappings are fixed on rotating disk 3; Then, upper outside turning cylinder sheet 71, lower outside turning cylinder sheet 72 are built, and make the inside center end of volute spiral spring 41 connect and fix the draw-in groove 98 in upper center shaft 51, the inside center end of lower volute spiral spring 42 connects and fixes the draw-in groove 98 in lower center shaft 52; Then, left shell 1 and right shell body 2 are fastened, and the one end that makes flexible PCB 10 from the line outlet 91 of left shell 1 pass, the other end passes from the line outlet 91 of right shell body 2; Now, from outward, turn outside turning cylinder sheet 71 and lower outside turning cylinder sheet 72 simultaneously, upper volute spiral spring 41 screwed with lower volute spiral spring 42, then by upper registration mast 93 insert in upper knock hole 94, lower registration mast 95 inserts in lower knock hole 96, completes assembling.

Principle of work of the present utility model: when initial condition, flexible PCB 10 is set around the periphery of rotating disk 3; When needs are pulled out flexible PCB 10, can flexible PCB 10 can be stretched by the one or both ends of flexible PCB 10 are pulled, make flexible PCB 10 in extended configuration; Now, as long as decontrol or along with rotating disk 3 freely rotates, rotating disk 3 is understood under the scrolling elastic force of upper volute spiral spring 41 and lower volute spiral spring 42 and be rotated, thereby flexible PCB 10 is set around again to the periphery of rotating disk 3, reply initial condition, make flexible PCB 10 automatic windings.

Embodiment 2

Please refer to Figure 15～18, the embodiment 2 of a kind of flexible PCB reeling-up reeling-out device of the present utility model, the difference of the present embodiment and embodiment 1 is, left shell 1, right shell body 2 all offers the window 90_1 placing in the time of can supplying flexible PCB 10 rolling, making left shell 1 and the body skin that right shell body 2 forms is semi open model housing, and this semi open model housing is ellipticity, the wheel base of this elliptoid semi open model housing is greater than Y-axis distance, be that longitudinal separation is major axis, left and right distance is minor axis, be equivalent to columned housing to cut one, left side one and right side.Wherein, left shell 1, right shell body 2 all offer semi-round position-limited trough 90_2, and after left shell 1 and right shell body 2 fasten, position-limited trough 90_2 is equivalent to the inner side of embodiment 1 China and foreign countries' housing, top rotary table lid 81 and lower rotary table lid 82 with coupling rotating disk 3, do not affect the rotation of rotating disk 3.In the present embodiment, be elliptoid semi open model housing, making rotating disk 3 obtain larger space in enclosure interior can be for utilizing, and the thickness of the reelable flexible PCB 10 of rotating disk 3 is larger.

In the present embodiment, in the window 90_1 of left shell 1, be provided with left side metal mainstay 90_3, left side metal mainstay 90_3 is close to the rear of the window 90_1 of left shell 1, and on the left of making, the rear of the window 90_1 of metal mainstay 90_3 and left shell 1 forms the line outlet 91 of left shell 1.In the window 90_1 of right shell body 2, be provided with right side metal mainstay 90_4, right side metal mainstay 90_4 is close to the place ahead of the window 90_1 of right shell body 2, makes the place ahead of the window 90_1 of right side metal mainstay 90_4 and right shell body 2 form the line outlet 91 of right shell body 2.Because before assembling, the two ends of flexible PCB 10 need to be welded the terminal connector than itself more volume conventionally, so, said structure, when assembling, can allow the terminal connector of flexible PCB 10 from window 90_1 passes, then left side metal mainstay 90_3 and right side metal mainstay 90_4 are installed, make assembling more for convenience.And left side metal mainstay 90_3 is when flexible PCB 10 stretches for contacting the stressed pillar of flexible PCB 10 with right side metal mainstay 90_4, and left side metal mainstay 90_3 and right side metal mainstay 90_4 have good resistance to abrasion, intensity, can increase service life.

In the present embodiment, left side metal mainstay 90_3 and upper registration mast 93 are one-body molded, and right side metal mainstay 90_4 and lower registration mast 95 are one-body molded.This structure, can conveniently install and produce.Specifically, the bottom of left side metal mainstay 90_3 connects and fixes in the bottom of left shell 1, upper registration mast 93 is shaped in the top of left side metal mainstay 90_3, and upper knock hole 94 is positioned at the lug boss 71_1 of the top of left shell 1, upper outside turning cylinder sheet 71, and the top of right shell body 2 does not arrange knock hole; The top of right side metal mainstay 90_4 connects and fixes in the top of right shell body 2, lower registration mast 95 is shaped in the bottom of right side metal mainstay 90_4, and lower knock hole 96 is positioned at the lug boss 71_1 of the bottom of right shell body 2, lower outside turning cylinder sheet 72, and the bottom of left shell 1 does not arrange knock hole; Upper outside turning cylinder sheet 71, lower outside turning cylinder sheet 72 all offer position, the hole 90_5 of being convenient to turn from outward.Certainly, above-mentioned metal mainstay and registration mast integrated " L " type structure, also can be split up into metal mainstay, two separate parts productions of registration mast, and this scheme also should belong to protection domain of the present utility model.

Other structure and the principle of work of the present embodiment are identical with embodiment 1, do not repeat them here.

Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not restriction to the utility model protection domain; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not depart from essence and the scope of technical solutions of the utility model.

Claims (10)

1. a flexible PCB reeling-up reeling-out device, it is characterized in that: it includes left shell, right shell body, rotating disk, upper volute spiral spring, lower volute spiral spring, described left shell and right shell body mutually fasten and form body skin, and described left shell, right shell body all offer the line outlet that can pull out for flexible PCB; In the top of described rotating disk, be provided with in disposal area, bottom and be provided with lower disposal area, described upper volute spiral spring is placed in the upper disposal area of described rotating disk, and described lower volute spiral spring is placed in the lower disposal area of described rotating disk; The top of described body skin is provided with center shaft, bottom is provided with lower center shaft, described upper center shaft stretches into the upper disposal area of described rotating disk and blocks described upper volute spiral spring, described lower center shaft stretches into the lower disposal area of described rotating disk and blocks described lower volute spiral spring, and described rotating disk is placed in described body skin rotationally; And the arranged outside of described rotating disk is useful on the bluff piece of clamping flexible PCB.

2. flexible PCB reeling-up reeling-out device according to claim 1, it is characterized in that: the top of described body skin is provided with circular upper outside turning cylinder sheet, described upper outside turning cylinder sheet covers the top at described rotating disk, and the top end face of upper outside turning cylinder sheet forms circular lug boss, the top of described left shell, the top of right shell body all offer the semi-circular recesses mating with the lug boss of described upper outside turning cylinder sheet, make the lug boss of described upper outside turning cylinder sheet be connected in rotationally the top of described body skin; The bottom of described upper outside turning cylinder sheet is fixed on the top of described upper center shaft, makes described upper outside turning cylinder sheet drive described dial rotation by upper center shaft; Described upper outside turning cylinder sheet is also provided with the connecting element for being fixedly connected with described body skin.

3. flexible PCB reeling-up reeling-out device according to claim 2, it is characterized in that: the connecting element of described upper outside turning cylinder sheet is upper registration mast, the lug boss of described body skin, upper outside turning cylinder sheet offers knock hole on same straight line, when described upper registration mast is arranged in described upper knock hole, described upper outside turning cylinder sheet is with described body skin the state of being fixedly connected with.

4. flexible PCB reeling-up reeling-out device according to claim 3, is characterized in that: the bottom of described body skin be provided with the lower outside turning cylinder sheet of described upper outside turning cylinder sheet symmetry, with the lower registration mast of described upper registration mast symmetry; The top of described upper center shaft is formed in one or connects and fixes in the bottom of described upper outside turning cylinder sheet, and the bottom of described lower center shaft is formed in one or connects and fixes in the top of described lower outside turning cylinder sheet.

5. flexible PCB reeling-up reeling-out device according to claim 1, it is characterized in that: the bottom of described bluff piece is one-body molded circular lower rotary table lid, described lower rotary table lid offers low groove, the bottom of described rotating disk is protruding with the lower flange mating with the low groove of described lower rotary table lid, described lower rotary table cover buckle is connect be fixed on the bottom of described rotating disk, described bluff piece to be fixed on the outside of described rotating disk, and between described bluff piece and rotating disk, be configured for the clamping district of clamping flexible PCB, described lower rotary table lid also offers the lower circular hole passing for described lower center shaft; The top snapping of described rotating disk is fixed with top rotary table lid, and described top rotary table lid offers upper groove, and the top of described rotating disk, the top of bluff piece are all protruding with the upper flange mating with the upper groove of described top rotary table lid.

6. flexible PCB reeling-up reeling-out device according to claim 1, it is characterized in that: the middle part of described rotating disk offers the circular through hole that runs through, describedly run through the center that through hole is communicated with the Yu Xia disposal area, center of described upper disposal area, make that the bottom of described upper center shaft is run through described in being placed in the top of through hole, the top of described lower center shaft runs through in the bottom of through hole described in being placed in.

7. according to the flexible PCB reeling-up reeling-out device described in claim 1 to 6 any one, it is characterized in that: the body skin that described left shell and right shell body form is closed shell, and this closed shell is cylindric.

8. flexible PCB reeling-up reeling-out device according to claim 4, it is characterized in that: described left shell, right shell body all offer the window of placing in the time of can supplying flexible PCB rolling, the body skin that left shell and right shell body are formed is semi open model housing, and this semi open model housing is ellipticity, and the wheel base of this elliptoid semi open model housing is greater than Y-axis distance.

9. flexible PCB reeling-up reeling-out device according to claim 8, it is characterized in that: in the window of described left shell, be provided with left side metal mainstay, described left side metal mainstay is close to the rear of the window of described left shell, makes the rear of the window of described left side metal mainstay and left shell form the line outlet of described left shell; In the window of described right shell body, be provided with right side metal mainstay, described right side metal mainstay is close to the place ahead of the window of described right shell body, makes the place ahead of the window of described right side metal mainstay and right shell body form the line outlet of described right shell body.

10. flexible PCB reeling-up reeling-out device according to claim 9, is characterized in that: described left side metal mainstay and described upper registration mast are one-body molded, and described right side metal mainstay and described lower registration mast are one-body molded.