CN1363754A

CN1363754A - Quick-coordination hinge

Info

Publication number: CN1363754A
Application number: CN01138168A
Authority: CN
Inventors: 长嶋勋
Original assignee: Katoh Electrical Machinery Co Ltd
Current assignee: Katoh Electrical Machinery Co Ltd
Priority date: 2001-01-04
Filing date: 2001-12-30
Publication date: 2002-08-14
Anticipated expiration: 2021-12-30
Also published as: TW521117B; KR20020057815A; KR100449235B1; CN1161531C

Abstract

To provide a snap fit hinge capable of reducing cost and weight to the utmost, while holding an advantage of the conventionally well-known snap fit hinge. This snap hinge is constituted of a shaft having a locking part on one end part, a case body with a whirl-stop locked with the locking part by inserting this shaft in the axial direction of a central part, a rotational sliding cam locked with a key groove provided on the open end side of this case body free to slide in the axial direction, having a sliding cam part on one end surface and inserting the shaft in the axial direction of the central part, a rotating cam having a rotating cam part on an end surface facing against the sliding cam part of this rotational sliding cam and inserting the shaft in the axial direction of the central part, an engaging part provided on the end part of the shaft projected from this rotating cam, a compression spring wound around the shaft, stored in the case body and elastically provided between the case body and the rotating sliding cam and a fastener with a locking click to be locked with the locking part of the shaft.

Description

The quick-coordination hinge body

Technical field

The present invention relates to the quick-coordination hinge body, specifically relate to connect a side or first parts of relative switch and the articulated body of second parts with opening and closing, is can be in the coupling part singly to touch the quick-coordination hinge body that mode is assembled.

Background technology

Existing as this quick-coordination hinge body known as Figure 23 type shown in Figure 26 extremely.

This existing known type, with shown in Figure 24 be example, quick-coordination hinge body A is installed by second parts 6 of words portion between each connecting

portion

2a, 6a with the state that is connected both with constituting.This existing known quick-coordination hinge body A is made of rotating shaft 1, housing 3, rotation sliding cam 4, rotating cam 5, fastener 7, compression spring 8; Rotating shaft 1 one ends have flange part 1a, and hold the connecting portion 2a place that is fixed on first parts 2 that opened and closed; Housing 3 ends towards the described rotating shaft 1 of axially being inserted with of central part and by the 1a of said flange portion card within it, and is received the connecting portion 2a place that is fixed on first parts 2 that opened and closed; Rotate sliding cam 4 within it towards the aforementioned rotating shaft 1 of axially being inserted with of described central part, have jut 4a and rotate slide cam part 4b, jut 4a is engaged among the keyway 3a that is provided with on the described housing 3, rotating slide cam part 4b can be towards endwisely slipping, and at one end is made of protuberance or recess on the face; Rotating cam 5 has cam part 5a, cam part 5a is made of protuberance or recess on the end face of the rotation slide cam part 4b that faces toward such rotation sliding cam 4, and make aforementioned rotating shaft 1 endwisely slipping towards its central part, fastener 7 has claw 7a, extract from rotating shaft 1 in order not make described rotating cam 5, described claw 7a is fixed in the rotating shaft 1 by the front end of the described rotating shaft 1 of insertion and the end of the described rotating shaft 1 of chucking (カめ Ru), also inserts card simultaneously and ends on the connecting portion 6a that is arranged at second parts 6; Compression spring 8 can be wrapped in the rotating shaft 1 in the aforementioned housing 3 with resetting, and such rotation sliding cam 4 is pushed to aforementioned rotating cam 5 sides.

Above-mentioned known articulated body axially overlaps each connecting

portion

2a, 6a of first parts 2 and second parts 6 when assembling, from the installing hole that is set in place on the connecting portion 2a in the outside fastener 7 is inserted as front end, the claw 7a of described fastener 7 is stuck on the opposing party's the connecting portion 6a, housing 3 and rotating cam 5 connecting

portion

2a, 6a separately matched finish assembling, therefore the advantage of easy assembling is arranged.But, the problem that exists is: rotating shaft 1 chucking (カめ Ru) portion is except need pad 9, special-purpose chucking (カめ Ru) apparatus also must be arranged, and rotating shaft 1 is necessary for the metal manufactured goods and will processes with lathe or upsetter, and this is unfavorable for reducing the cost of articulated body.

Summary of the invention

The purpose of this invention is to provide a kind of quick-coordination hinge body, can keep the advantage of existing known quick-coordination hinge body, and can reduce cost and lightweight.

Achieve the above object, characteristics of the present invention are: its formation comprises: the fastener of the housing of rotating shaft, band spline part, the rotating cam that rotates sliding cam, band spline part, compression spring and band card claw stop; There is flange part one end of rotating shaft, and there is the auxiliary section the other end; The housing of band spline part inserts described rotating shaft along the axial direction of central part within it, and is ended by said flange portion card; Described rotation sliding cam inserts aforementioned rotating shaft along the axial direction of central part within it, and at one end has slide cam part in the portion, and described slide cam part is axially blocked slidably only in the keyway that described housing open end one side is provided with; The rotating cam of band spline part with the slide cam part opposing end faces of described rotation sliding cam on have rotating cam portion, and insert aforementioned rotating shaft along the axial direction of its central part; Described compression spring is arranged between described housing and the such rotation sliding cam, and crinkle is around the aforementioned rotating shaft and be accommodated in the aforementioned housing; The fastener card of band card claw stop ends the place, auxiliary section in aforementioned rotating shaft, is used to prevent articulated body self pull-off.

Described characteristic feature of an invention also is: when aforementioned fastener card ends on the auxiliary section in aforementioned rotating shaft, aforementioned auxiliary section is made as the formed stage portion of annular groove that is provided with along radial direction, by the expansion groove axially being set at aforementioned fastener, and push described expansion groove at radial direction facing to aforementioned stage portion, both are cooperated.

Characteristics of the present invention also are: when aforementioned fastener card ends on the auxiliary section in aforementioned rotating shaft, aforementioned auxiliary section is made as the formed stage portion of annular groove that is provided with along radial direction, by being set, card ends stage portion in the through hole of the axial setting of aforementioned fastener central part, and face toward aforementioned rotating shaft front end towards the aforementioned fastener of aforementioned through hole axial compression, make aforementioned stage portion and card end stage portion and engage mutually.

Characteristics of the present invention also are: its formation comprises: the fastener of the housing of rotating shaft, band spline part, the rotating cam that rotates sliding cam, band spline part, compression spring and band card claw stop; There is the auxiliary section one end of rotating shaft, and there is flange part the other end; The housing of band spline part inserts described rotating shaft along the axial direction of central part within it, and is ended by aforementioned auxiliary section card; Described rotation sliding cam is inserted with rotating shaft along the axial direction of central part within it, and at one end has slide cam part in the portion, and described slide cam part is axially blocked slidably only in the keyway that described housing open end one side is provided with; The rotating cam of band spline part with the slide cam part opposing end faces of described rotation sliding cam on have rotating cam portion, and insert aforementioned rotating shaft along the axial direction of its central part; Described compression spring is arranged between described housing and the such rotation sliding cam, and crinkle is around the aforementioned rotating shaft and be accommodated in the aforementioned housing; The fastener card of band card claw stop ends at the flange part place of aforementioned rotating shaft, is used to prevent articulated body self pull-off; Aforementioned rotating shaft is inserted such rotation cam, such rotation sliding cam, aforementioned compression spring and aforementioned housing successively from aforementioned fastener one side, and engage on the described housing with preventing pull-off.

In addition, the present invention has tapering at one of the installing hole of aforementioned housing or connecting portion or both sides.

The present invention can obtain following effect because of having above structure.

Structure according to first aspect present invention, be accompanied by first parts and the second parts either party's opening and closing operations or the other side's opening and closing operations mutually, one side or relative crimping slip rotary action between the rotation slide cam part of utilization rotation sliding cam and the rotating cam portion of rotating cam, first parts and second parts can freely carry out opening and closing operations with stopping in the switching angular range of regulation, and, more than the regulation open angle and/or stipulate below the closed angle, can automatically open, closure, can stably be kept closed.

Fastener is installed in the simple in structure of rotating shaft, and the material of countershaft is unqualified; Owing to omitted E shape circle body and pad and omitted other parts, can reduce cost and make its lightweight; Its effect is to assemble each connecting portion of first parts and second parts singly to touch mode.

Structure according to second aspect present invention, structure is the radial direction engaging fastener from rotating shaft, in rotating shaft, form the auxiliary section for this reason, the stage portion that constitutes the annular groove of auxiliary section during the fastener engaging can not be subjected to the conquassation effect, so, rotating shaft is easier makes with synthetic resin, and its effect is further to reduce cost and lightweight.

According to the structure of third aspect present invention, fastener axially is pressed into from the turn-knob front end, so favourable part is that the fastener countershaft carries out installation exercise easily.

Structure according to fourth aspect present invention, with fastener is that the situation of being made by synthetic resin is an example, only the flange part card of described fastener with rotating shaft ended during assembling, the part that housing is outstanding only just can with E shape circle body card by pad, so, and to end this fastener in rotating shaft with E shape circle body card or the form of chucking roller end is compared, its effect is to worry in the operation that contacting piece applies irrational power and causes breaking, assembling has improved yield rate easily.

According to the structure of fifth aspect present invention, when articulated body is inserted the connecting portion installing hole, can prevent to produce skew effectively.

Description of drawings

Fig. 1 is the elevation of the quick-coordination hinge body installment state that the present invention relates to of expression;

Fig. 2 is a quick-coordination hinge body elevation cross-sectional view shown in Figure 1;

Fig. 3 is the elevation cross-sectional view that is used to illustrate quick-coordination hinge body action shown in Figure 1;

Fig. 4 is a quick-coordination hinge body decomposition elevation shown in Figure 1;

Fig. 5 is the key diagram that is used to illustrate quick-coordination hinge body assemble method shown in Figure 1;

Fig. 6 is the left view of quick-coordination hinge body housing shown in Figure 1;

Fig. 7 is the left view that quick-coordination hinge body shown in Figure 1 rotates sliding cam;

Fig. 8 is 0 °-180 ° a expanded view of rotation sliding cam shown in Figure 7;

Fig. 9 is the right view of quick-coordination hinge body rotating cam shown in Figure 1;

Figure 10 is the left view of rotating cam shown in Figure 9;

Figure 11 is 0 °-180 ° a expanded view of rotating cam shown in Figure 9;

Figure 12 is the left view of quick-coordination hinge fastener body shown in Figure 1;

Figure 13 is the sectional drawing of fastener A-A line shown in Figure 12;

Figure 14 is the elevation of another form of implementation of quick-coordination hinge body that the present invention relates to of expression;

Figure 15 is the amplification profile of the mounting portion of quick-coordination hinge fastener body shown in Figure 14;

Figure 16 is a quick-coordination hinge body decomposition elevation shown in Figure 14;

Figure 17 is the left view of quick-coordination hinge fastener body shown in Figure 14;

Figure 18 is the left view of another form of implementation of expression quick-coordination hinge fastener body shown in Figure 1;

Figure 19 is the sectional drawing of fastener B-B line shown in Figure 180;

Figure 20 is the decomposition view of the another form of implementation of expression quick-coordination hinge body of the present invention;

Figure 21 is the left view of housing shown in Figure 20;

Figure 22 is the right view of housing shown in Figure 20;

Figure 23 is the elevation that opening installation has the personal handyphone of existing quick-coordination hinge body to look;

Figure 24 is the elevation of existing quick-coordination hinge body;

Figure 25 is the amplification profile of quick-coordination hinge fastener body part shown in Figure 23;

Figure 26 is a quick-coordination hinge body decomposition elevation shown in Figure 23.

The specific embodiment

Below, the situation of implementing a kind of form of implementation of the present invention on the personal handyphone is described, quick-coordination hinge body of the present invention also can be as the switching articulated body of the switching body of big aperture such as other small-sized OA machines, can open and close the such small personal computers of electronic memo, small-sized word processor etc. as the keyboard body of first parts with as the display body of second parts.

According to drawing, in Fig. 1 to Figure 13, label 10 is rotating shafts, and as shown in Figure 4, the one end is provided with flange part 10a, and the other end is provided with the auxiliary section 10c that the stage portion 10d that formed by annular groove 10b forms.The material of described rotating shaft 10 for example can be synthetic resin prepared materials such as the machining object of metal bars such as SUM24L or POM.

Label 11 is cylinder shells, as shown in Figure 6, its periphery is provided with

axial spline groove

11a, 11a, described

groove

11a, 11a by with the connecting portion 12a that is arranged on first parts 12 on the card of installing hole 12b inboard end prominent bar 12c and cooperate, with 12 rotations of first parts.Described housing 11 as shown in Figures 2 and 3, on each central axis direction of through hole 11c that forms on the 11b of wall portion of one end setting and the 11d of inner cavity portion, insert rotating shaft 10 rotationally, be fastened on rotationally in the rotating shaft 10 by flange part 10a, and can not extract from an end of described rotating shaft 10.As Fig. 4 and shown in Figure 6, on housing 11, be provided with keyway 11e, the 11e that is cut out from its open end.

Label 13 is to rotate sliding cam, for example is the rotation sliding cam of making and contain resin pickup with sintering metals such as SMF5040, and after quenching, plating Ni (no electrolysis) is implemented on the surface.This rotation sliding cam 13 its central parts axially are provided with the through hole 13a that inserts rotating shaft 10 rotationally, and its periphery is provided with and the keyway 11e of housing 11, the 13b of key portion, the 13b that 11e matches.On an end face of this key portion, as shown in Figure 7 and Figure 8, be provided with the rotation slide cam part 13d that constitutes by

axial protuberance

13c, 13c and recess 13e, 13e.

Label 14 is rotating cams, for example is the rotating cam of making and contain resin pickup with sintering metals such as SMF5040, and after quenching, plating Ni (no electrolysis) is implemented on the surface.This rotating cam 14 is extremely shown in Figure 10 as Fig. 9, insert rotating shaft 10 rotationally in the through hole 14a that its central part axially is provided with, on the face relative with the rotation slide cam part 13d that rotates sliding cam 13, be arranged at intervals with the 14c of rotating cam portion that forms by

recess

14b, 14b by 180 °, the peripheral, axial of described rotating cam 14 is arranged at intervals with

spline groove

14d, 14d by 180 °, and the card on the installing hole 15b of described

groove

14d, 14d and the connecting portion 15a that is arranged on second parts 15 ends

prominent bar

15c, 15c and cooperates.

Label 16 is fasteners, it for example is plastic fastener, described fastener 16 has main part 16a and foot 16c as Figure 12 and shown in Figure 13, and foot 16c has card claw stop 16b at each front end, foot 16c is by the end axis of main part 16a is separately formed to two, as shown in Figure 2 to Figure 3, insert the auxiliary section 10c of rotating shaft 10 in the through hole 16d that main part 16a axially is provided with, cooperate by stage portion 10d with auxiliary section 10c, card ends in the end of rotating shaft 10, can not axially extract.Described fastener 16 is as Figure 12 and shown in Figure 13, have the expansion groove 16e that is provided with towards through hole 16d from the peripheral radius direction, by described expansion groove 16e is abutted among the annular groove 10b of auxiliary section 10c at radial direction, and under this state, push towards radial direction, 10c cooperates with the auxiliary section, is made it and can not be extracted from rotating shaft 10 by described fastener 16 card spline moving cams 14.

And in the 11d of of the hole of housing 11, as shown in Figures 2 and 3, crinkle is arranged between described housing 11 and the rotation sliding cam 13 in compression spring 17 elasticity of rotating shaft 10, and rotation sliding cam 13 is pushed towards rotating cam 14 1 sides.In addition, be lid with the imaginary line shown in the label 18.

Figure 14 to Figure 17 represents another form of implementation of quick-coordination hinge body of the present invention.This form of implementation is compared with last form of implementation, and difference is the part of fastener 20.Therefore, represent the parts identical with identical label with last form of implementation.

According to drawing, described form of implementation and last form of implementation difference have 2 points, a bit are to be provided with foot 20c, owing to can end fastener 20 from the card that axially is pressed into of rotating shaft 21, described foot 20c has card claw stop 20b at front end, and foot 20c is that the main part 20a of self-clinching fastener 20 formed in four minutes; On the other hand utilize to the radial direction of through hole it is made a part, the expansion groove is not set.As shown in figure 15, the front end of rotating shaft 21 facing to through hole 20d, is exerted pressure to it at axial direction, the through hole 20d of fastener 20 is cooperated with the stage portion 21b of the auxiliary section 21a of rotating shaft 21, the fastener 20 of formation just can not extracted from rotating shaft 21.

Figure 18 and Figure 19 represent another form of implementation of fastener, be Figure 12 to synthetic resin system fastener shown in Figure 13 as metal system fastener 25 through punch process making, constitute by through hole 25b and a pair of foot 25d, through hole 25b is arranged on the substrate 25a that rotating shaft is inserted, and the card claw stop 25c that is provided with by substrate 25a is arranged on the foot 25d with stretching out.In addition, label 25e is the expansion groove.

Therefore, as shown in Figure 5, first parts are axially overlapped with each connecting portion of second parts, from being positioned at the installing hole 12b of outside connecting portion, when fastener one side of quick-coordination hinge body C of the present invention was inserted as front end, housing and rotating cam cooperated with each connecting portion, utilized the connecting portion installing hole that is positioned at the inboard that the claw card of fastener is ended around the described installing hole of giving prominence to, like this, just can carry out the installation of quick-coordination hinge body C by the so-called mode of singly touching.

When using described quick-coordination hinge body, though be mounted in each connecting portion both sides of first parts and second parts in principle, use in couples, be not defined as this using method, also can be installed on the parts and use.When mounted, as shown in Figure 5, after making the connecting portion 15a of the connecting portion 12a of first parts 12 and second parts 15 axially overlap assembling, quick-coordination hinge body C with fastener 16 1 sides as front end, and make groove 14d and groove 11a be engaged in the position that card ends prominent bar 15c and the only prominent bar 12c of card, installing hole 12b one side by the first connecting portion 12a is inserted, card claw stop 16b as shown in Figure 1 to Figure 3, by cooperating, just can finish and install or assembling singly to touch mode with stop hole 15d on the installing hole 15b of the connecting portion 15a that is arranged on second parts 15.

Now, in the closure state that first parts and second parts are overlapped, as depicted in figs. 1 and 2, in the recess 14b of the 14c of rotating cam portion of the protuberance 13c of the rotation slide cam part 13d that rotates sliding cam 13 embedding rotating cam 14, in this state, because of utilizing compression spring 17 to press to rotating cam 14 1 sides rotating sliding cam 13, can keep making the closure state stability of first parts and the coincidence of second parts, do not apply external force and can not open naturally.From this state, when relative first parts of second parts or two parts are relatively opened, though the protuberance 13c that rotates slide cam part 13d at first runs into impedance when being deviate from by the recess 14b of the 14c of rotating cam portion, but needn't too big power just can open substantially, but opening angle to 140 ° subsequently, because of the protuberance 13c that rotates sliding cam 13 is becoming crimping shape frictional rotation to slide with the protuberance 14e of rotating cam 14, can locate to keep two parts to stablize at an arbitrary position and stop.

When the opening angle of two parts surpassed 140 °, the torque that the protuberance 13c that rotates slide cam part 13d produces when falling into the opposing party's recess 14b of the 14c of rotating cam portion was opened two parts automatically, can open to 165 ° subsequently.When two parts opened to 165 °, the block piece that is arranged on the connecting portion that utilization figure does not show was opened two component no longer biglyyer.

Subsequently, when two members closes, the protuberance 13c that rotates slide cam part 13d runs into impedance when the recess 14b that originally oppositely makes the 14c of rotating cam portion deviates from, needn't use too big power, just can arbitrarily stop to close at closed angle place midway, when about 20 ° of closed angle, the torque that the protuberance 13c that rotates slide cam part 13d produces when falling into the recess 14b of the 14c of rotating cam portion can make its auto-closing.

Figure 20 to Figure 22 represents the another form of implementation of quick-coordination hinge body of the present invention.Described form of implementation is compared to form of implementation shown in Figure 13 with Fig. 1, and difference has three places; First place is that the direction of insertion of rotating shaft 30 is directions of fastener 36; The keyway 31e that second place is arranged on the housing 31 is arranged in the housing 31, is not exposed on the periphery, as shown in figure 21; Thirdly be to use pad 35 and E shape circle body 36; Structures such as other rotation sliding cam 33, rotating cam 34, fastener 36, compression spring 37 except shape, diameter and length have some differences, are identical substantially.

Promptly, rotating shaft 30 1 ends are provided with flange part 30a, the other end is provided with annular groove 30b, from the slotting through hole of the annular groove 30b side that is provided with to not shown fastener 76, connect rotating cam 34 successively, rotate sliding cam 33, compression spring 37 and housing 31, chimeric pad 38 on housing 31 outstanding sides engages on the housing 31 with the E shape circle body 39 that is installed on the annular groove 30b again, and described fastener 76 fastener does not as shown in figure 1 to figure 13 separate at radial direction.Therefore, the flange part 30a card of fastener 36 usefulness rotating shafts 30 ends.In addition, in housing 31 peripheral, axial directions, spline annular groove 31a, 31a are being set by 180 ° of intervals.In addition, label 31b is a wall portion, and label 31c is the through hole of rotating shaft 30, label 31d is a hole portion, and label 31f is the button installation portion, on housing 31, direction of insertion promptly has tapering by keyway 31e one side on button installation portion 31f one side, when the installing hole to connecting portion inserts, can not produce deflection.In addition, can also make on the installing hole of connecting portion and have tapering.Tapering also can form on housing 31 or installing hole one side or both sides.In addition, other label of fastener 36 has: 36a is meant main body, and 36b is meant the card claw stop, and 36c is meant foot.In addition, label 34c is meant rotating cam portion, and label 33d is meant the rotation slide cam part.The material of rotating shaft 30 is identical with the material of the form of implementation of front, for example, is metal bar machining object such as SUM24L.Rotate the material of sliding cam 33 and rotating cam 34, wherein any one, with Fig. 1 to the material of form of implementation shown in Figure 13 all be identical, can be with sintering metal such as SMF5040 and contain the material of resin pickup, but material needn't be defined in this.

More than explanation mainly is to being used for the explanation that the personal handyphone situation is carried out, in above-mentioned form of implementation to comprise described personal handyphone, maximum open angle, the automatic attraction angle etc. of open closed two parts limits automatically.

Rotating sliding cam and rotating cam both sides or one can for example, can be formations such as die casting thing, forging and pressing thing, synthetic resin, pottery with what be made of the material beyond the sintering metal.

The shape of the rotation sliding cam protuberance that on the rotation sliding cam, is provided with and the shape of recess and rotating cam protuberance that on rotating cam, is provided with and recess, quantity etc., be not defined as the form among the embodiment, also can the protuberance of mutual correspondence and recess be provided with the position become with embodiment in opposite form.

In above each embodiment, fastener can be provided with housing one or split.The articulated body of this situation is inserted the connecting portion installing hole from case side.The rotating shaft direction of insertion both can be from housing one side, also can be from rotating cam one side.

Claims

1. a quick-coordination hinge body is characterized in that, its formation comprises: the fastener of the housing of rotating shaft, band spline part, the rotating cam that rotates sliding cam, band spline part, compression spring and band card claw stop; There is flange part one end of rotating shaft, and there is the auxiliary section the other end; The housing of band spline part inserts described rotating shaft along the axial direction of central part within it, and is ended by said flange portion card; Described rotation sliding cam inserts aforementioned rotating shaft along the axial direction of central part within it, and at one end has slide cam part in the portion, and described slide cam part is axially blocked slidably only in the keyway that described housing open end one side is provided with; The rotating cam of band spline part with the slide cam part opposing end faces of described rotation sliding cam on have rotating cam portion, and insert aforementioned rotating shaft along the axial direction of its central part; Described compression spring is arranged between described housing and the such rotation sliding cam, and crinkle is around the aforementioned rotating shaft and be accommodated in the aforementioned housing; The fastener card of band card claw stop ends the place, auxiliary section in aforementioned rotating shaft, is used to prevent articulated body self pull-off.

2. quick-coordination hinge body according to claim 1, it is characterized in that, when aforementioned fastener card ends on the auxiliary section in aforementioned rotating shaft, aforementioned auxiliary section is made as the formed stage portion of annular groove that is provided with along radial direction, by the expansion groove axially being set at aforementioned fastener, and push described expansion groove at radial direction facing to aforementioned stage portion, both are cooperated.

3. quick-coordination hinge body according to claim 1, it is characterized in that, when aforementioned fastener card ends on the auxiliary section in aforementioned rotating shaft, aforementioned auxiliary section is made as the formed stage portion of annular groove that is provided with along radial direction, by being set, card ends stage portion in the through hole of the axial setting of aforementioned fastener central part, and face toward aforementioned rotating shaft front end towards the aforementioned fastener of aforementioned through hole axial compression, make aforementioned stage portion and card end stage portion and engage mutually.

4. a quick-coordination hinge body is characterized in that, its formation comprises: the fastener of the housing of rotating shaft, band spline part, the rotating cam that rotates sliding cam, band spline part, compression spring and band card claw stop; There is the auxiliary section one end of rotating shaft, and there is flange part the other end; The housing of band spline part inserts described rotating shaft along the axial direction of central part within it, and is ended by aforementioned auxiliary section card; Described rotation sliding cam is inserted with rotating shaft along the axial direction of central part within it, and at one end has slide cam part in the portion, and described slide cam part is axially blocked slidably only in the keyway that described housing open end one side is provided with; The rotating cam of band spline part with the slide cam part opposing end faces of described rotation sliding cam on have rotating cam portion, and insert aforementioned rotating shaft along the axial direction of its central part; Described compression spring is arranged between described housing and the such rotation sliding cam, and crinkle is around the aforementioned rotating shaft and be accommodated in the aforementioned housing; The fastener card of band card claw stop ends at the flange part place of aforementioned rotating shaft, is used to prevent articulated body self pull-off; Aforementioned rotating shaft is inserted such rotation cam, such rotation sliding cam, aforementioned compression spring and aforementioned housing successively from aforementioned fastener one side, and engage on the described housing with preventing pull-off.

5. according to the described quick-coordination hinge body of claim 1 to 4, it is characterized in that: in aforementioned housing periphery or insert one of the installing hole or the both sides of the connecting portion of articulated body, have with described direction of insertion or accept the tapering that the direction of housing matches.