CN1070781A

CN1070781A - The hinge apparatus of foldable radio-telephones

Info

Publication number: CN1070781A
Application number: CN92102033.3A
Authority: CN
Inventors: 帕吾力克·托马斯E
Original assignee: Motorola Inc
Current assignee: Motorola Solutions Inc
Priority date: 1991-03-28
Filing date: 1992-03-24
Publication date: 1993-04-07
Anticipated expiration: 2007-03-24
Also published as: KR950014618B1; SE9203110D0; GB2260571A; IT1253960B; AU1763192A; DE4290923T1; MX9201332A; FR2675327A1; SE9203110L; KR930701025A; AU655027B2; ITRM920203A0; GB9224734D0; JPH05506768A; CA2078233A1; GB2260571B; SE503806C2; WO1992017974A1; CN1026841C; FR2675327B1

Abstract

The hinge apparatus of folding radio phone comprises fuselage and flip element.The closed driven member that flip element is moved by the groove shapes of agreing on first jointed shaft remains in closed and breakdown position.This kind groove is located such that with respect to driven member the torque of a power is applied on the jointed shaft, constitutes a kind of thin flip element therefrom.From then on flip element is guided it the center of second jointed shaft into to the lead through arrangement of fuselage by a kind of arm, and allows second jointed shaft change beans with flip element to become a kind of thin flip element.From then on flip element is guided it the center of second jointed shaft into by a kind of arm, and second jointed shaft can be rotated with flip element to the lead through arrangement of fuselage, just can make it to be without prejudice.

Description

The hinge apparatus of foldable radio-telephones

In general, the present invention relates to the hinged casing that miniaturized electronics is used; More particularly, the present invention relates in folding means, utilize the folding radio phone of hinged casing.

The application of portable type cellular telephone machine grows with each passing day, and the user can be communicated by phone in wireless system on any active position.This kind portable telephone function is transmitted into the jet signal of low wattage in one receiving station, is equipped with conventional telephone system on the connecting line here.Will have numerous receiving station to divide in an area and be located on the isolated fixed position, be used for receiving the signal that this kind portable telephone set is launched, this is because this kind telephone set can at this point be distinguished and shift one's position.

Utilized the telephone set of two casing spares that link to each other with certain linkwork, all belonged to commonly in the radio extension set of the telephone plant of metal wire and communication by land, and it is comparatively common also to have become in portable type cellular radio telephone machine.

Adopted some radiophone of above-mentioned design form its most electronic circuits and components and parts to be located within one bigger in these two casings.Less casing will be referred to as flip element later, and it contains microphone and RGU ring unit usually.In order to obtain best acoustical behavior, above-mentioned flip element must be in an optimum position with respect to the fuselage of radiophone.Can make microphone to user's mouth that one section distance that meets the requirements is arranged like this.Because microphone must be realized being electrically connected with components and parts with RGU ring unit with the electronic circuit in the radiophone fuselage, so the jockey by hinged region must be arranged.A kind of like this jockey was described in No. 4897873, United States Patent (USP), for shown in Figure 1, wherein on the microphone and the electric component of RGU ring unit in lead 105 is linked fuselage part 103 in the flip element 101, this lead 105 just enters in the fuselage part 103 then by the groove 109 in articulation joint 107, the jointed shaft 111.Above-mentioned hinge jointed shaft 111 can make the articulation joint 107 of flip element 101 rotate around axle 111 when being installed on the fuselage part 103.A problem the heaviest in a kind of like this structure, when flip element 101 was rotated, lead 105 can be squeezed between jointed shaft 111 and articulation joint 107 1 medial surfaces.This kind extruding makes lead disrumpent feelings the most at last, and causes the loss that electrically contacts of flip element 101 interior microphones or RGU ring unit.

The radiophone of the employing said structure of other types is that whole electronic devices and components and electronic circuit are arranged within one bigger in two casings, and flip element no longer contains the device and the electronic circuit of this electron-like.Produce a kind of state that is combined when a kind of like this flip element can be in " closure " position at it, and when it turns to its " breakdown " position, produce a kind of unhook state.A kind of radiophone that this position of flip element is used for controlling purpose is described to for No. 4845772 at United States Patent (USP).When this kind flip element was in its " closure " position, radiophone then was in the wait state of preparing to receive an incoming call.Above-mentioned flip element is covered with the part keyboard on the radiophone fuselage at least, so just can provide shielding to key, avoids key to be pressed by the other places or for contaminating impurity.When this reversing part was in " breakdown " position, it just can make microphone not influenced by background noise.

For making this flip element be positioned closed and breakdown position, adopted technology miscellaneous.United States Patent (USP) has been described a kind of radiophone No. 4897893, and its utilizes the last groove of axle agree to the part that is fixedly hinged and the closed guide plate that moves keeps flip element to be in closure and breakdown position.The detail drawing of this kind guide agency is seen Fig. 2 A and Fig. 2 B in the accompanying drawing.Fig. 2 A shows the groove 201 understood when flip element 101 is in closure or hooks together the position and 203 position.Fig. 2 B shows the position of understanding aforementioned two dimples when this flip element is in breakdown or unhook position.When flip element 101 breakdowns, have and shift out in the braking groove 203 of guide plate 205 from jointed shaft 207 and fall on the major diameter surface of this jointed shaft 207.Be positioned at a wall portion 211 therewith the reed 209 of 205 of keep plates force this guide plate to paste consistently to prop up axle 207.Along with flip element is rotated further mutual breakdown or unhook state, braking guide plate 205 just continues pushing and pressing axle 207, forces it self to enter groove 201 then.Power in braking guide plate 205 grooves 201 just makes flip element 101 remain in desired location.When this flip element 101 is in breakdown and is in closure and closes the position, the just prominent center of braking guide plate 205 to jointed shaft 207.Because the plane of the misalignment flip element 101 of this jointed shaft 207, this braking guide plate 205 just must sloped position.The obliquity of braking guide plate 205 has limited the former degree 215 of flip element 101.The degree of miniaturization that improves radiophone can make it be packaged in the littler casing of size, and the size of the hinge assembly of ubi supra has limited the thickness 215 of further reduction flip element 101.

So just required a kind of like this hinge assembly, it can be protected from flip element by the lead of articulation joint to fuselage, can make flip element have less size simultaneously.

The hinge apparatus of folding radio phone of the present invention has a fuselage part and a flip element part.This kind hinge apparatus can make this flip element partly remain in first turned position with respect to this fuselage part.An its cylindrical basically jointed shaft has a periphery and a radial center, can make flip element and fuselage coupling connection and pivot axis by this radial center.This columned jointed shaft can be with respect to the above-mentioned main body section component of rotation.On said periphery, be provided with a groove.A driven member is arranged simultaneously, and it is in the flip element 2 at least partially and an end that is in the above-mentioned groove is arranged.This driven member has to aforementioned cylindric jointed shaft and applies a power, and this line of action of force parallels with the axis of driven member basically, and the vertical range between this position and such rotation axis then makes; When flip element is on the said primary importance, can on this cylindrical jointed shaft, produce a torque.

The following describes accompanying drawing of the present invention.

Fig. 1 show understand a kind of with lead from flip element RGU ring unit and microphone in be connected to the routine techniques of radiophone fuselage.

Fig. 2 A and 2B are the end view of a kind of conventional guide agency through cutting open, and flip element is wherein closed to put and shown bright with the breakdown position to close the position respectively.

Fig. 3 is the isometric drawing that can adopt a kind of walkie-talkie of the present invention.

Fig. 4 is the end view of above-mentioned radiophone, and flip element wherein is near make position.

Fig. 5 is the exploded view of fuselage part with the flip element of the hinge assembly of radiophone shown in the key diagram 3.

Fig. 5 A is the cutaway view of the hinge cavity of above-mentioned fuselage, shows and understand the circular hole of offering in the rib of a setting.

Fig. 5 B is the isometric drawing of the bottom side of articulation joint shown in Fig. 5 and jointed shaft.

Fig. 6 A and 6B are braking linkwork partial side views, and flip element wherein is shown in closed and breakdown position respectively.

Fig. 7 is the more detailed end diagrammatic sketch of jointed shaft shown in Fig. 6 A and the 6B.

Fig. 8 shows and bright lead is connected to device in the fuselage from the microphone of flip element.

Fig. 9 is the drawing in side sectional elevation of the hinge portion of aforementioned radiophone along hinge axes.

Brief description most preferred embodiment of the present invention.

Show among Fig. 3 and understand a kind of walkie-talkie that is applicable to radio telephone system.The radiophone 300 of this difficult belt is basically by two conspicuous parts, and fuselage 301 is formed with flip element 303.Bright flip element shown in Figure 3 is in " breakdown " position, the user of this kind telephone set can be listened to by earphone 305, and can say to microphone 307.309 on keyboard comprises and a collection ofly is marked with 1 to 0 and the button of # and * etc., belongs to known telephone set form.Keyboard 309 can also have other function key, for example volume control and other key relevant with the telephone number recall.Antenna 311 can make and carry out radio communication between this kind walkie-talkie and the base station.

When flip element 303 was breakdown form shown in Fig. 3, this telephone set just can be in replied or carries out telephone call state.Such state is referred to as " unhook " usually after finishing a call, and the user can remove this flip element to make position and shelve this telephone set.Can finish this kind by following step and shelve operation, promptly allow flip element 303 around the articulated section 312 rotational, make flip element 303 fall to being stopped on the keyboard 309.Aforesaid operations has started hook switch, impels call to stop.On this closed position, this walkie-talkie promptly is in the stand-by state of preparing to receive an incoming call.The closing course of flip element 303 has provided its most eye-catching expression in Fig. 4.Hook switch is to be positioned within the flip element 303 in this most preferred embodiment.In this most preferred embodiment, this hook switch is just to start when the angle between fuselage 301 and the flip element 303 approximates 45 °.

In this most preferred embodiment, flip element 303 is that the combining form by some parts shown in Fig. 5 remains in breakdown or make position.One braking driven member 501 is arranged in articulation joint 503, and it compels to be affixed to cylindrical jointed shaft 505 by the elastic fluid of reed 509 and so on.This reed 509 is to be formed by flat crooked steel disc, and its first end 511 hooks together in the flip element 303 on the protuberance 513.The middle body of reed 509 is compressing a pillar 515, makes second end 517 of this reed can force braking driven member 501 to enter in the articulation joint 503 by a hole 519.The structure of jointed shaft 505 can make flip element 303 hook together or can remain on the keyboard 109 during make position, is breaking off relations or is then becoming obtuse angle relation (for example, angle 0 equals 150 °) during the breakdown position with it.One end 521 of jointed shaft 505 is got elongated shape, can be coupled in shape in the fuselage 301 front housing portions 525 and the basic identical but bigger slightly hole 523.Like this, the rotation of jointed shaft 505 with respect to articulation joint 503 can around the front housing portion 525 of rotation be stable.

Be positioned at second jointed shaft 527 within second articulation joint 529 and can support the rotation of flip element 303, a kind of device is provided simultaneously, be used for making in order be attached on the microphone 533 from flip element 303 to fuselage on lead 531.Magnet 801 in this flip element 303 produces a control signal in response to the turned position of these parts in fuselage.Lid 535 has covered reed 509, microphone 533 and its lead 513 and the magnet in flip element 303 801.

In joint placed in the middle 552, be provided with intermediate plate 550, be used for preventing

axle

527 and 505 slippages from their

relevant articulation joint

529 and 503.

Fig. 5 A is the drawing in side sectional elevation of front housing portion 525.Offer a circular hole 537 by a rib 539 of erectting.The cylinder-shaped end 541 that is shown in the jointed shaft 527 among Fig. 5 promptly is placed in this circular hole 537.Jointed shaft 527 is rotated with respect to front housing portion 525.

Fig. 5 B has provided the opposite side of jointed shaft 527 bright shown in Fig. 5 A.Jointed shaft 527 has the groove 543 of one three limit formula, along this total length, enters in the groove 527 through a predetermined dense degree of depth.529 of articulation joint have one or three limit formulas guide rail 545 it be located on the medial surface in this joint and along the length in this joint to prolonging a predetermined distance.Jointed shaft 527 is to plug together in this wise within the articulation joint 529, promptly makes guide rail 545 be disposed in the groove 543, in the articulation joint 529 of thus jointed shaft 527 being interlocked.The jointed shaft 527 of this moment can be with the rotation of flip element 303 around self rotational.Jointed shaft 527 characteristics in the articulation joint 529 of interlocking have overcome the problem that lead is squeezed when jointed shaft rotates in articulation joint in the prior art (Fig. 1).

The more detailed figure of braking hinge apparatus is shown among Fig. 6 A and Fig. 6 B.Fig. 6 A shows clear when flip element 103 is in closure or hooks together the position, groove 601 and 603 positions with respect to braking driven member 501.Fig. 6 B then shows clear when this flip element is in breakdown or unhook position, groove 601 and 603 positions with respect to braking driven member 501.When breakdown flip element 303, braking driven member 501 just shifts out from the groove 601 of jointed shaft 505, and enters on this major diameter surface of 505.Reed 509 will be braked driven member 501 and attach on the jointed shaft 505.Along with this flip element is rotated further breakdown or disengaged condition, braking driven member 501 just continues pushing jointed shaft 505, forces it self to enter in the groove 603 then.The power of braking driven member 501 in groove 603 just remains in flip element 303 on the desired position.

Basic characteristics of this most preferred embodiment of the present invention are, when flip element is in its make position and during the breakdown position, braking driven member 501 can apply a torque around the power of its central axis to jointed shaft 505.This torque that acts on the power on the jointed shaft 505 is to be formed with 603 by the angled groove 601 of configuration, and their make to brake the center that driven member 501 does not pass through jointed shaft 505.The advantage of this method for designing is, can make braking driven member 501 be set to identical with flip element 303 or the plane that is close in, so just can adopt a kind of than the flip element that approaches.In this most preferred embodiment, braking driven member 501 is arranged to form a little angle 4 with the plane of flip element 303, for example 10 °, is convenient to the mold pressing braking driven member 501 of sening as an envoy to and is positioned at wherein groove 519.Other embodiment that have different mold pressings to consider then have an opportunity braking driven member 501 is arranged in the plane identical with flip element 303.Thin flip element helps to alleviate the weight of walkie-talkie.These basic characteristics help to eliminate the condition of bringing big thickness in the prior art in the flip element described in Fig. 2 A and the 2B front.

Referring to Fig. 7, wherein show the end of understanding the jointed shaft 505 that provides among Fig. 6 A and the 6B in more detail below.Groove 601 has two to belong to smooth surface 701 and 703 basically, and the two is handed at angle.When 501 of driven members of braking have two that be in closure when flip element 303 or positions of hooking together, respectively with groove 601 in plane surface 701 and 703 contacted even curface 705 and 707 of belonging to basically.Act on the initial moment of power F1 between the plane surface 705 of the plane surface 701 of groove 601 and braking driven member 501, it makes that with respect to the central axis of jointed shaft 505 flip element 303 can be pre-loaded, therefrom the latter is remained in position on its closure.

Tongue 603 also has two to belong to even curface 709 and 711 basically.501 of driven members of braking have two when flip element 303 is in position breakdown or unhook, respectively with the plane surface 709 and 711 contacted even curface 713 and 715 of belonging to basically of groove 603.Then act on the initial moment of plane surface 70709 with the power F2 of braking driven member 501 of groove 603, it is with respect to the central axis of hinge contact 505, between the plane surface 713.

Two fabricate Plane intersects φ in an acute angle by what surperficial 711 shapes of the surface 701 of groove 601 and groove 603 formed, it is relevant with the open angle of flip element 303 0.In this most preferred embodiment, when flip element 303 was in breakdown position shown in Fig. 6 B, aforementioned two angle φ and 0 sum were about 180 °.This design of jointed shaft 505, when allowing flip element 303 to be in breakdown or make position 45 °, can by other auxiliary equipment and carry out breakdown or closure.This kind flip element can also exceed about 30 ° of breakdown position stroke when stressed, and automatically returns to the breakdown position when power is removed.

Fig. 8 is the end-view of the microphone lead of protection in articulation joint.The lead 531 of microphone 533 pulls to the center of jointed shaft 527 for arm 805.The advantage of this most preferred embodiment of the present invention is to be positioned near the lead 531 in jointed shaft 527 centers and to have only very little rotational travel when flip element is rotated, thereby the torsion on the lead is minimized.

Hook switch in the above-mentioned most preferred embodiment is positioned within the flip element 303, this in Fig. 8 as can be seen.In this most preferred embodiment, when the angle of 303 of fuselage 301 and flip element was similar to 45 °, aforementioned hook switch promptly started.Be provided with a common magnet 801 in the flip element 303.When flip element 303 around the rotational of articulated section 3R during to its make position, the magnetic field that is produced by magnet 801 makes the contact in the closed upper reed plate switch 803, just produces a control signal that indicates the state of hooking together thus.When flip element 303 when above-mentioned articulated section turns to the breakdown position, promptly in the adjacent area of reed switch 803, remove by magnet 801 formed magnetic fields, the contact of reed switch is disconnected, produce a control signal that indicates the unhook state therefrom.

In this most preferred embodiment, the casing of fuselage 301 is shown in Figure 5ly to be made up of back cabinet 551 and front housing 525 two parts.After Fig. 9 shows that the parts of understanding in Fig. 5 have assembled, the drawing in side sectional elevation of hinge portion.Flip element 303 is connected on the fuselage by aforesaid jointed shaft 505 and 527.When the back cabinet 551 of fuselage closed synthetic integral body with front housing 525, the

rib

901 and 903 of back cabinet 551 just overlapped respectively and is incorporated within the

rib

539 and 524 of front housing.Corresponding aperture 537 in the Kong Zetong front housing 525 in the

rib

901 and 903 of this back cabinet and 523

concentric alignment.Axle

527 and 505 is passed through their

articulation joint

529 and 503 separately, and by the hole in the helping of front and back casing.Then intermediate plate 550 is put into joint placed in the middle 552, prevent that

axle

527 and 505 is from wherein slippage.In this most preferred embodiment, above-mentioned jointed shaft just thinks that flip element is in the close position Shi Caineng and removes.

So far show bright already and described a kind of hinge apparatus that is used for radiophone.The equipment of this novelty has caused forming a kind of so thin flip element, it can alleviate the weight of walkie-talkie effectively, can make simultaneously from then on flip element itself in order has eliminated the broken string accident and has made rotation stress reduce to minimum limit to the lead of fuselage.

Claims

1, the hinge apparatus with fuselage part and foldable radio-telephones of a flip element part comprises:

Basically a cylindrical jointed shaft, it has a periphery and a radial center, but crosses the mode of the pivot center rotation of this radial center with pile warp, and flip element is coupled on the fuselage;

Be used for preventing the device that columniform here jointed shaft rotates with respect to fuselage;

Be arranged on first groove on the above-mentioned periphery; And

One driven member, it has a part to be positioned to have simultaneously within the flip element end that is positioned at first groove at least partially at least, this driven member is applied with first power to said cylindrical articulated elements, this power is along the first substantially parallel position of driven member axis therewith, between this first position and such rotation axis, first vertical range is arranged then, make when this flip element is on aforementioned first turned position, can on this cylindrical jointed shaft, produce one first torque.

2, a kind of hinge apparatus that is used for the folding radio phone as claimed in claim 1 wherein saidly is used for preventing that jointed shaft from also including with respect to the device that fuselage rotates:

An elongated end on above-mentioned cylindrical jointed shaft;

Be arranged in the aforementioned fuselage and dispose helping of an elongated hole, the shape of this kind elongated hole is identical with aforementioned elongated end but size is bigger, and this elongated end promptly is located in this elongated hole, prevents that thus said cylindrical ammonium from connecing axle with respect to this fuselage rotation.

3, a kind of hinge apparatus that is used for the folding radio phone as claimed in claim 1 wherein is said driven member applied force, is to be disposed at a flat reed that is pressed in the flip element on this driven member by one to be produced.

4, the sort of hinge apparatus as claimed in claim 1, it can remain in the flip element of addressing on second turned position with respect to radiophone main body section branch, it also includes second groove that is located on the aforementioned periphery simultaneously, the end of this driven member then is placed in this second groove at least partially, this driven member is applied to one second power on the aforementioned cylindrical jointed shaft, this power is along one second position substantially parallel with the axis of driven member, second vertical range between this second position and such rotation axis then has second vertical range, make when this flip element is on aforementioned second turned position, can on this cylindrical jointed shaft, produce one second torque.

5, hinge apparatus as claimed in claim 1 wherein is connected with the two flexible conductor that is had of aforementioned flip element and fuselage, and this kind hinge apparatus also comprises:

One cylindrical basically second jointed shaft, it has one second periphery, and can be coupled aforementioned flip element and fuselage in rotating mode;

Be located at the groove on above-mentioned second periphery, it has a part that aforementioned flexible conductor can be arranged at wherein; And

Be used for making this second cylindrical jointed shaft with respect to the rotation of this flip element and the device that rotates.

6, hinge apparatus as claimed in claim 1, it also includes and is used for aforementioned flexible conductor is closed in device in the said groove at least partially, reduces the rotational travel of flexible conductor when flip element is rotated thus.

7, hinge apparatus as claimed in claim 1, the flip element of wherein addressing comprises a kind of electric device that has a flexible conductor at least at least, aforesaid fuselage then includes the circuit that is coupled with said flexible conductor, be used for the signal of telecommunication is sent to this electric device, and this hinge apparatus also includes:

One second cylindrical ammonium connects axle, rotatably said flip element is coupled on the aforementioned fuselage;

A groove is opened on the cylinder of the aforementioned second cylindrical jointed shaft, wherein defines from the path of the flexible conductor of this flip element fuselage; And

A kind of device is used for making this second cylindrical jointed shaft with respect to the rotation of this flip element and rotate.