CN2681535Y

CN2681535Y - Hinge structure

Info

Publication number: CN2681535Y
Application number: CNU2003201283062U
Authority: CN
Inventors: 甘文林
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2003-12-31
Filing date: 2003-12-31
Publication date: 2005-02-23
Anticipated expiration: 2013-12-31

Abstract

The utility model provides a hinge structure, which is used for a mobile phone. The mobile phone comprises an open and close part and a fixed part. The hinge structure comprises a hinge casing, a first hinge and a second hinge. The hinge casing comprises a first containing pore and a second containing pore which are vertical, and the first hinge is contained in the first containing pore to allow that the open and close part can rotate round the first containing pore relatively to the fixed part to be opened and closed. The second hinge comprises a support shaft, a rotary shaft, an elastic element and a retainer ring. The support shaft is contained in the second containing pore, the rotary shaft is sheathed with the support shaft, one end of the elastic element is abutted with the rotary shaft, the retainer ring is clamped at the top end of the support shaft and is abutted with the other end of the elastic element, and at least one projection is fixedly arranged at any surface of the contact surfaces of the support shaft and the rotary shaft.

Description

Hinge arrangement

[technical field]

The utility model is about a kind of hinge arrangement, especially about a kind of hinge arrangement that is used for portable electronic equipments such as mobile phone, PDA.

[background technology]

At present, existing mobile phone can be divided into three kinds of board-type, flip-type and folded forms usually by its external form and structure.Wherein flip-type and Foldable mobile phone generally include a fixed part and an opening and closing part, and, and locate by hinge arrangement along the rotatable fixed part that is connected in of its folding direction by a hinge arrangement opening and closing part.

The U.S. the 6th, 292, No. 980 patent discloses a kind of existing hinge arrangement, and it comprises that the cam of a tool crest face, the rotating shaft and a spring of a tool trough face are used to force the crest face of above-mentioned cam and the trough face of rotating shaft closely to contact, and above-mentioned cam, rotating shaft and spring all are contained in the housing.The opening and closing part of one flip-type and Foldable mobile phone can make the crest face of cam and the trough face relative motion of rotating shaft rotate along the fixed part of its folding direction around mobile phone to realize the opening and closing part by the elastic force that overcomes spring.But, development along with mobile communication technology, mobile phone is endowed increasing application of new technology, as camera function etc., and above-mentioned existing hinge arrangement only tool make opening and closing part relative fixed portion be in the simple functions of two kinds of states of folding, be subjected to angle limits when causing the mobile phone user to make a video recording, and above-mentioned existing hinge arrangement limits the utilization of other new technology in mobile phone.

[summary of the invention]

The utility model is simple and be unfavorable for the deficiency of application of new technology in mobile phone in order to overcome existing hinge arrangement function, and a kind of hinge arrangement is provided, and its simple in structure, easy to operate and tool twin shaft spinfunction is beneficial to the mobile phone application of new technology.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: the utility model hinge arrangement, it is used for a mobile phone, this mobile phone comprises an opening and closing part and a fixed part, above-mentioned hinge arrangement comprises a hinge housing, one first hinge and one second hinge, hinge housing comprises two orthogonal first accepting hole and second accepting holes, first hinge is contained in first accepting hole, it allows this opening and closing part relative fixed portion around first accepting hole rotation folding, second hinge comprises a back shaft, one rotating shaft, one elastic component and a snap ring, back shaft is contained in second accepting hole, the sheathed back shaft of rotating shaft, elastic component one end is replaced rotating shaft, snap ring is arranged in the top of back shaft and replaces the other end of elastic component, and at least one projection is fixedly arranged on any surface of back shaft and the two contact-making surface of rotating shaft.

The beneficial effects of the utility model are, the utility model hinge arrangement is by offering two orthogonal accepting holes in a hinge housing, and two hinge is set in it, and by between the rotating shaft of a hinge wherein and back shaft, a simple structure of rolling nail being set, make the simple in structure, easy to use of the utility model hinge arrangement thus, and the opening and closing part of mobile phone can be rotated around biaxially oriented with respect to closure, be beneficial to more new technologies and can be used in mobile phone.

[description of drawings]

Fig. 1 is the schematic perspective view of the utility model hinge arrangement;

Fig. 2 is the decomposing schematic representation of the utility model hinge arrangement;

Fig. 3 is the decomposing schematic representation of another angle of the utility model hinge arrangement;

Fig. 4 is that hinge arrangement among Fig. 1 is along the generalized section of IV-IV direction.

[embodiment]

See also Fig. 1, the utility model hinge arrangement 10 comprises a hinge housing 20, one first hinge 30 and one second hinge 40, and wherein hinge housing 20 is accommodated first hinge 30 and second hinge 40.

See also Fig. 2 and Fig. 3, the hinge housing 20 of the utility model hinge arrangement 10 comprises a curved surfaces 21, one first accepting hole 22 and one second accepting hole 23 are offered along transverse axis X and longitudinal axis Y direction respectively in its two ends, and it is respectively applied for accommodates first hinge 30 and second hinge 40.Wherein a polygon containing hole 231 (present embodiment is square) is offered in the bottom of second accepting hole 23, and containing hole 231 bottom surfaces comprise a through hole 232 that connects with curved surfaces 21.

First hinge 30 be used to make a mobile phone (figure does not show) but opening and closing part relative fixed portion around the transverse axis X of hinge housing 20 rotation and can be stable at the closure or openness state, it comprises a central shaft 31, a sleeve pipe 32, a spring 33, a slide block 34, two rollers 35, a fixture block 36 and an alignment pin 37.One end of central shaft 31 is provided with a jacking block 311, and the other end offers one perpendicular to its first axial through hole 312.Slide block 34 is axially offered one second through hole 341 along central shaft 31, and surface thereof is offered first accepting groove 342 that one and second through hole 341 connects.Fixture block 36 comprise one with first through hole, 312 parallel third through-holes of offering 361 and one and second through hole, 341 homoaxial fourth holes 362, and second accepting groove 363 that connects with third through-hole 361 is offered on its surface relative with first accepting groove 342, and the both sides of second accepting groove 363 are provided with a plurality of inclined-planes 364 to form two crest structures 365.One end of sleeve pipe 32 comprises that an annular plate washer 322 is used for cooperating with the jacking block 311 of central shaft 31, the internal diameter of first accepting hole 21 of the external diameter of sleeve pipe 32 and hinge housing 20 is corresponding, and it is accommodated assemblies such as above-mentioned spring 33 and slide block 34 and is contained in first accepting hole 21.

Can be when second hinge 40 is used to make the opening and closing part of above-mentioned mobile phone to be in opening around the longitudinal axis Y of hinge housing 20 rotation and location, it comprises that a back shaft 41, two rolls nail 42, one rotating shaft 43, an elastic component 44 and a snap ring 45.Wherein back shaft 41 comprises a support bar 411 and an installation portion 412, support bar 411 is arranged at a surface 4121 of installation portion 412, two grooves 413 are distributed on the surface 4121 around support bar 411, another surface 4122 of installation portion 412 comprises a polygon base 414 (present embodiment is square), the internal diameter of the containing hole 231 of its external diameter and hinge housing 20 is corresponding, its middle part offer one with the through hole 232 corresponding blind holes 415 at containing hole 231 middle parts.Roll nail 42 and comprise a hemispherical bumps 421 and a card post 422, and the internal diameter of the external diameter of projection 421 and groove 413 is corresponding.Rotating shaft 43 is a hollow sleeve, it is used for sheathed back shaft 41, one end comprise two with the hole clipping 431 of two grooves, 413 relative set of back shaft 41, its internal diameter is corresponding with the external diameter of the card post 422 that rolls nail 42, comprise a ring-shaped step 432 (seeing also Fig. 4) in the rotating shaft 43, be used to replace an end of elastic component 44, the outside of rotating shaft 43 extends outward two ribs 433, comprise a plurality of installing holes 434 on it respectively, rib 433 and installing hole 434 are used for the utility model hinge arrangement is installed on the opening and closing part of mobile phone.Elastic component 44 is a helical spring, the support bar 411 that it can sheathed back shaft 41, and can be contained in the rotating shaft 43.Snap ring 45 is one " C " shape snap ring, and it can be arranged in the corresponding draw-in groove of offering 4111 in support bar 411 tops of back shaft 41, and it is used to replace the other end of elastic component 44.

See also Fig. 4, the utility model hinge arrangement 10 assembly structures are as follows, the central shaft 31 of first hinge 30 passes sleeve pipe 32 successively, spring 33, second through hole 341 of slide block 34 and the fourth hole 362 of fixture block 36, wherein, the jacking block 311 of central shaft 31 is resisted against the ring baffle 322 of sleeve pipe 32 1 ends, first accepting groove 342 of slide block 34 cooperates with second accepting groove 363 of fixture block 36 accommodates two rollers 35 jointly, again alignment pin 37 is passed the third through-hole 361 of fixture block 36 and first through hole 312 of central shaft 31, sleeve pipe 32 is contained in first accepting hole 22 of hinge housing 20 again, finishes the assembling of first hinge 30 thus.Can between the ring baffle 322 of the jacking block 311 of central shaft 31 and sleeve pipe 32, set up a pad 38 therebetween, and be used to prevent mechanical wear.

The back shaft 41 of second hinge 40 is accommodated in second accepting hole 23 that is fixedly arranged on hinge housing 20 by installation portion 412, and the polygon base 414 of installation portion 412 is contained in the polygon containing hole 231 of second accepting hole, 23 bottoms, pass the blind hole 415 of the through hole 232 of containing hole 231 bottoms and polygon base 414 successively further back shaft 41 is fixedly arranged in second accepting hole 23 by a bail 24 again, rotating shaft 43 is sheathed on the support bar 411 of back shaft 41, and rolling nail 42 hemispherical bumps 421 and card post 422 is contained in respectively in the hole clipping 431 of the groove 413 of installation portion 412 of back shaft 41 and rotating shaft 43 bottom surfaces, again elastic component 44 is contained in the rotating shaft 43 and the support bar 411 of sheathed back shaft 41, one end of elastic component 44 is resisted against the ring-shaped step 432 in the rotating shaft 43, at last snap ring 45 is arranged in the draw-in groove 4111 on support bar 411 tops and replaces the other end of elastic component 44, finish the assembling of second hinge 40 thus.Therebetween, can between snap ring 45 and elastic component 44, set up a pad 46 and be used to prevent mechanical wear, and in the tapping of second accepting hole 23 set up a sealing ring 47 be used for the sealing.

The utility model hinge arrangement 10 is used for the folded form of a tool opening and closing part and fixed part or flip-type mobile phone when (figure does not show), the hinge housing 20 of the utility model hinge arrangement 10 can be arranged in the corresponding accepting groove of offering of said fixing portion one end, and the fixture block 36 of first hinge 30 is accommodated and is fixedly arranged in the corresponding accepting hole of offering, the rotating shaft 43 of second hinge 40 is contained in the corresponding accepting groove of offering of opening and closing part one end, and is mounted on the opening and closing part by outward extending ribs 433 of rotating shaft 43 and the installing hole 434 offered on it.During use, open the opening and closing part by external force along the folding direction, the roller 35 of first hinge 30 upwards slided along the inclined-plane 364 of fixture block 36 and broke away from second accepting groove 363 this moment, slide block 34 compresses springs 33 and moving linearly in sleeve pipe 32 simultaneously, cross the crest structure 365 of fixture block 36 and along in inclined-plane 364 landing to the second accepting grooves 363 until roller 35, simultaneously slide block 34 answers the elastic restoring force of spring 33 to make the back rectilinear motion and slide block 34 is closely pressed together on fixture block 36 in sleeve pipe, in this process, the opening and closing part of hinge housing 20 and mobile phone rotates to opening around the transverse axis X of hinge arrangement 10.

By external force the longitudinal axis Y of opening and closing part around hinge arrangement 10 rotated again, the groove 413 that rolls the installation portion 412 of nail 42 hemispherical bumps 421 self-supporting axles 41 this moment skids off, roll nail 42 contact rotating shafts, 43 moving linearlies and compression elastic piece 44 simultaneously, the opening and closing part is rotated to the required angle of user, this moment elastic component 44 elastic restoring force compressing rotating shaft 43 so that roll nail 42 and closely contact with the surface 4121 of installation portion 412, the opening and closing part can be positioned any required angle by its mutual frictional force.Be appreciated that to further increasing the locating effect of opening and closing part, can offer a plurality of location notchs (figure does not show) in the surface 4121 of installation portion 412 along the rotate path that rolls nail 42 as required.

The closing course that is appreciated that the mobile phone that uses the utility model hinge arrangement 10 is opposite with above-mentioned opening process.

Be appreciated that, elastic component 34 of the present utility model also can be sheathed on rotating shaft 43 outsides, the one end is resisted against the step of the outside relative set of rotating shaft, and the other end is still replaced by the snap ring 45 that is arranged in back shaft 41 tops, and the bottom of rib 433 spin rotating shafts 43 this moment stretches out and gets final product; Secondly, of the present utility model roll nail 42 can be one-body molded with rotating shaft 43, that is form at least in the bottom surface of rotating shaft that half spherical protrusions gets final product, back shaft 41 also can be one-body molded with hinge housing 20, that is in the installation portion 412 with back shaft 41 directly is formed at second accepting hole 23 of hinge housing 20; In addition, first hinge 10 of the present utility model is to be used to make the opening and closing part of mobile phone to rotate to the closure or openness state along the closure or openness direction, its function is identical with existing various hinges, so the utility model first hinge 10 also can be the hinge of other existing tool above-mentioned functions and substitutes, and is not limited to present embodiment.

Claims

1. hinge arrangement, it is used for a mobile phone, this mobile phone comprises an opening and closing part and a fixed part, this hinge arrangement comprises a hinge housing and one first hinge, it is characterized in that this hinge arrangement also comprises one second hinge, this hinge housing comprises two orthogonal first accepting hole and second accepting holes, this first hinge is contained in this first accepting hole, it allows this opening and closing part relative fixed portion around first accepting hole rotation folding, this second hinge comprises a back shaft, one rotating shaft, one elastic component and a snap ring, this back shaft is contained in second accepting hole, sheathed this back shaft of this rotating shaft, this elastic component one end is replaced rotating shaft, and this snap ring is arranged in the top of back shaft and replaces the other end of this elastic component, and at least one projection is fixedly arranged on any surface of back shaft and the two contact-making surface of rotating shaft.

2. hinge arrangement as claimed in claim 1 is characterized in that this second hinge comprises to roll nail, and it comprises an above-mentioned projection and a card post, and at least one hole clipping is arranged at the above-mentioned surface of back shaft and the two contact-making surface of rotating shaft and accommodates this card post.

3. hinge arrangement as claimed in claim 2 is characterized in that at least one groove relative set is in another surface of back shaft and the two contact-making surface of rotating shaft and accommodate this projection.

4. hinge arrangement as claimed in claim 3, it is characterized in that this back shaft comprises a support bar and an installation portion, this support bar is arranged at a surface of installation portion, its top further comprises a draw-in groove, and one of above-mentioned hole clipping or groove are arranged at this surface, and this snap ring is one " C " shape snap ring, and it is arranged in the draw-in groove of above-mentioned support bar.

5. hinge arrangement as claimed in claim 4 is characterized in that this rotating shaft is a hollow sleeve, its sheathed this support bar.

6. hinge arrangement as claimed in claim 5 is characterized in that comprising in this rotating shaft a step, replaces with an end of this elastic component.

7. hinge arrangement as claimed in claim 5 is characterized in that this rotating shaft comprises a step outward, replaces with an end of this elastic component.

8. as claim 6 or 7 described hinge arrangements, it is characterized in that the outside of this rotating shaft extends outward at least one rib, comprise a plurality of installing holes on it.

9. hinge arrangement as claimed in claim 1, it is characterized in that this first hinge comprises a central shaft, a sleeve pipe, a spring, a slide block, two rollers, a fixture block and an alignment pin, this central shaft passes sleeve pipe, spring, slide block and fixture block successively, this slide block and fixture block are accommodated above-mentioned two rollers jointly, and alignment pin passes the corresponding positioning through hole of offering with central shaft of fixture block successively, this sleeve pipe is accommodated above-mentioned central shaft, spring and slide block.

10. hinge arrangement as claimed in claim 9 is characterized in that the contact-making surface of this slide block and fixture block is offered first accepting groove and second accepting groove respectively, and it accommodates above-mentioned two rollers jointly, and the edge of this second accepting groove comprises a plurality of inclined-planes and forms two crest structures.