CN2631194Y

CN2631194Y - Pivot device

Info

Publication number: CN2631194Y
Application number: CN 03247075
Authority: CN
Inventors: 秦水源; 陈家骅
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: 2003-06-06
Filing date: 2003-06-06
Publication date: 2004-08-04
Anticipated expiration: 2013-06-06

Abstract

A pivot axis device of the utility model, which is used to pivot the main body and the cover body of the portable electronic device and comprises that: a sleeve, a following component, a convex wheel and an elastic component, in which the sleeve is sleeved on the cover body, one convex wall is arranged in an annular manner on the inner wall of one end of the sleeve. The following component comprises a connected connection head, a main body and a core axis, the connection head is arranged in a fixed manner and cooperated with the main body, the main body extends out a plurality of processes along the extending direction of the core axis, the end part of the core axis is provided with a convex edge, the main body and the core axis is accommodated in the sleeve, and the core axis passes through the through hole formed by the convex wall to make the convex edge reach the convex wall. The convex wheel is sleeved on the core axis of the following component and is accommodated on the sleeve, which cooperates with the main body of the following component and can rotate corresponding to the following component. The elastic component is sleeved on the core axis of the following component and is accommodated in the sleeve with one end connected with the convex wheel and the other end reached the convex wall.

Description

Pivot device

[technical field]

The utility model is about a kind of pivot device, especially is applied to the pivot device in the portable electron device.

[background technology]

By pivot device the main body of portable electron device and lid are articulated, and make lid produce torsion and can reach the effect of closure or openness, this application is applied to usually as mancarried devices such as mobile phone, mobile computer or personal digital assistants.With the mobile phone is example, on the inner surface of lid display screen is set usually, and main body then is a phone body, and in body surfaces button is set usually.

The pivot device of mobile phone generally forms with cam, moving runner and spring assembly, hinge means as No. the 411069th, Taiwan patent announcement, Figure 1 and Figure 2, this pivot device 40 articulates the main body and the lid 50 of mobile phone, its mandrel 41 passes packing ring 42, stationary cam 43, rotating cam 44, spring 45, stiff end 46 successively, be fastened in two grooves on the mandrel 41 (sign) by two

elastic collars

47,48 at last, prevent that with the restriction aforementioned components they break away from mandrel 41.Wherein this stiff end 46 connects lid 50, and this stationary cam 43 is connected with the mobile phone main body.When lifting opening body 50,40 pairs of lids of this pivot device 50 produce a torsion, make it can reach unlatching, when wanting closed, to lid 50 apply one with lift the opposite power that opens, pivot device 40 is equally to lid 50 generations one torsion, makes itself and mobile phone main body closure.Only, the assembly of this pivot device 40 various, match the compound mode complexity with the mobile phone main body with lid 50 by the stiff end 46 that separates respectively with stationary cam 43; In addition, it is when producing torsion, and mandrel 41 and then rotates simultaneously, then mandrel 41 easy deformation; Moreover, the stiff end 46 that this kind pivot device 40 is connected with lid 50, and the position of the stationary cam 43 that is connected with the mobile phone main body fix, therefore, must can use by this structure and size design with the mobile phone of its collocation, and can't obtain more compatible space.

At the problems referred to above, be necessary to provide a kind of simple in structure, easy to assembly and pivot device that can prolong its useful life.

[utility model content]

In order to solve that the structure in the pivot device in the technique scheme, combination complexity and mandrel are rotated and the problem that reduces its useful life, the purpose of this utility model provides a kind of simple in structure, easy to assembly and pivot device that can prolong its useful life.

Pivot device of the present utility model, in order to articulate the main body and the lid of portable electron device, it comprises: sleeve, follower, cam and elastomeric element, its middle sleeve is located on the lid, and a protruding wall is located on the inwall of sleeve one end; This follower comprises a connector that is connected, body and mandrel, this connector fixes with main body and cooperates, this body tool extends a plurality of projectioies along the mandrel bearing of trend, end tool one flange of this mandrel, body and mandrel are contained in the sleeve, and this mandrel passes described through hole and its flange and protruding wall card and joins; This cam is sheathed on the mandrel of follower, is contained in the sleeve, cooperates a plurality of projectioies of follower body, and can rotate with respect to follower; This elastomeric element is sheathed on the mandrel of follower, is contained in the sleeve, and the one end contacts with cam, and the other end contacts with protruding wall.

Pivot device with respect to prior art, pivot device assembly of the present utility model is few, and all component is immobilizated in sleeve, during cooperation, only need jacket casing is located in the lid, the connector that then will expose to the follower of sleeve is immobilizated in the main body and gets final product, and it is convenient to cooperate, structure and size to mobile phone do not have special requirement, can be compatible mutually with various mobile radio; And the follower of tool mandrel is to be fixed on the main body, so when pivot device generation torsion, follower can not rotate, mandrel can not rotate yet, thereby avoids the deformation of mandrel, strengthens its useful life.In addition, with main body mutually fixing connector and be connected with the sleeve of lid phase fixing, its two distance is almost nil, mandrel is not yielding when then producing torsion, increases its useful life equally.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of prior art pivot device.

Fig. 2 is the assembled view that the prior art pivot device cooperates lid.

Fig. 3 is the three-dimensional exploded view of the utility model pivot device.

Fig. 4 is another angle three-dimensional exploded view of the utility model pivot device.

Fig. 5 is the stereogram after the combination of the utility model pivot device.

Fig. 6 is that Fig. 5 is along the VI-VI cutaway view.

[embodiment]

Please consult Fig. 3, Fig. 4, Fig. 5 and Fig. 6 simultaneously, main body such as the mobile phone body (figure do not show) and lid such as mobile phone lid (figure do not show) of the utility model pivot device 10 in order to articulate portable electron device, it comprises a sleeve 11, an elastomeric element 12, a cam 13, a follower 14 and a card 15, this follower 14 is set in cam 13 and elastomeric element 12 successively, and this elastomeric element 12 and cam 13 are contained in the sleeve 11, this follower 14 partly is contained in the sleeve 11, hold this follower 14 by card 15, prevent that it breaks away from sleeve 11.

Sleeve 11 is roughly a column, first, second through hole 111,112 that its tool connects and the third through-hole 115 that connects first, second through hole 111,112, the aperture of first, second through hole 111,112 is quite and greater than the aperture of third through-hole 115, thus in sleeve 11 in formation one protruding wall 116.Sleeve 11 tools one surface is the diapire 113 on plane.Diapire 113 is offered a fluting 114 that runs through diapire 113 in second through hole 112 and third through-hole 115 intersections, this fluting 114 is one " protruding " shape, comprises one along an extended protruding fluting 1141 of second through hole, 112 directions and an end fluting 1142 along second through hole 112 and the extension of third through-hole 115 intersections.Two fixing pieces 117 are extended at the 1142 two end places of being longer than protruding fluting 1141 in second through hole 112 in end fluting, this fixing piece 117 separates with protruding wall 116 and in the two formation one gap, this fixing piece 117 connects the sidewall adjacent with diapire 113, and becomes one with sidewall.These second through hole, 112 inwalls are in 117 of two fixing pieces, be provided with the back-up block 118 that extends along protruding wall 116 on 114 opposite end walls with fluting, and this back-up block 118 does not exceed the thickness of protruding wall 116, and forms a step with protruding wall 116.

Follower 14 comprises connector 141, body 142 and mandrel 143; wherein this connector 141 is a triangle, and offers a through hole 144 in connector 141 centers, and this connector 141 is fixed in the main body accommodation section of (figure does not show); by its triangular shape; and fix mutually with main body, when torsion takes place in pivot device 10, follower 14 and main body relative fixed; can not rotate; mandrel 143 can not rotate yet, thereby effectively protects mandrel 143, increases its useful life.The body 142 of follower 14 is made of the cylindrical portion with upper surface 1421, lower surface 1422, first through hole, 111 internal diameters of the external diameter of this cylindrical portion and sleeve 11 are suitable, the upper surface 1421 of follower 14 is provided with a plurality of protruding 1424, in the present embodiment be two, and protruding 1424 each intervals, 180 degree.This mandrel 143 extends from the upper surface 1421 of body 142, it is solid, it comprises the first axle part 1431, the second axle part 1432, the first axle part 1431 external diameters are greater than the second axle part 1432 external diameters, this mandrel 143 be positioned at the projection 1424, and the projection 1424 be positioned at the first axle part 1431 and with its formation one.One flange 1433 is set in the end of mandrel 143, end around this flange 1433 is provided with a guide ramp (not sign), the external diameter of this flange 1433 is a bit larger tham the aperture of the third through-hole 115 of sleeve 11, when follower 14 cooperates with sleeve 11, guiding by this guide ramp, the flange 1433 of this follower 14 passes this third through-hole and enters second through hole 112, and is held on 117 of two fixing pieces.

This cam 13 is roughly hollow cylindrical, and first through hole, 111 apertures of its external diameter and sleeve 11 are suitable, and the external diameter of the first axle part 1431 of the mandrel 143 of its internal diameter and follower 14 is suitable.Cam 13 1 ends form a flat annular surface 131, match with elastomeric element 12; The other end forms a curved surface 132, has the protruding peak 1321 and the trench 1322 that match with the upper surface 1421 of follower 14 bodies 142.During this pivot device 10, the curved surface 132 of cam 13 inserts on follower 14 mandrels 143 in assembling, matches with the upper surface 1421 of follower 14 bodies 142, makes the projection 1424 of follower 14 be contained in the trench 1322 of cam 13.Cam 13 also has a plurality of fins 133, in the present embodiment be two, this two fin 133 be partitioned into 180 the degree, each fin 133 tools first plane 1331, second plane 1332, first plane,

second plane

1331,1332 intersect vertically, when this pivot device 10 of assembling, fin 133 tools first plane 1331 faces of this cam 13 are matched with the diapire 111 of sleeve 11, first,

second plane

1331,1332 that intersects vertically by fin 133 is fastened in the sleeve 11, cam 13 can not rotated with respect to sleeve 11, and only rotate and rotate along with sleeve 11.

This elastomeric element 12 is a helical spring, when this pivot device 10 of assembling, this elastomeric element 12 is contained in sleeve 11 first through holes, be sheathed on the second axle part 1432 of mandrel 143 of follower 14, and two ends connects with the annular surface 131 of protruding wall 116 and cam 13 respectively.

Card 15 is roughly the flexible square sheet of a tool, and the end of itself and sleeve 11 1142 interference fit of slotting are provided with disymmetrical locating piece 155 in card 15 dual side-edge edge middle part, and it is divided into end 151 and clamping part 152 with card 15.This locating piece 155 roughly is taper, a bottom 1551 and an inclined-plane 1552 that tool one and end 151 are mutually concordant.In clamping part 152 socket 1521 is set from the center, and forms two intermediate plates 1522, the size of this socket 1521 is slightly smaller than the size of the second axle part 1432 of follower 14, and the diameter of the second axle part of its degree of depth and follower 14 is suitable.The outside, end of this intermediate plate 1522 is an arc shape.When this pivot device 10 of assembling, card 15 is by the guiding of the curved end of intermediate plate 1552, be inserted in the end fluting 1142 of sleeve 11, connect with the flange 1433 of protruding wall 116 and sleeve 11, the second axle part 1432 of its this follower 11 of socket 1521 clampings, this locating piece 155 is held in fixing piece 117, and the end portion supports of the clamping part 152 of this card 15 is on the back-up block 118 of sleeve 11.Because this card 15 is provided with locating piece 155,, makes the card 15 that inserts end fluting 1142 be difficult for skidding off, and spring 12, cam 13 and follower 14 are immobilizated in the sleeve 11 securely so increased the thickness of card 15.

Please during assembling, earlier cam 13 be sheathed on the mandrel 143 of follower 14 simultaneously with reference to Fig. 6, its curved surface 132 matches with the body 142 of follower 14, and projection 1424 is contained in the trench 1322 of cam 13 on the body 142; After elastomeric element 12 is sheathed on the mandrel 143, the annular surface 131 of one end and cam 13 joins, the flange 1433 of the other end and mandrel 143 joins; The follower 14 that will be arranged with cam 13 and elastomeric element 12 again is from first through hole, the 111 insertion sleeves 11 of sleeve 11, and the third through-hole 115 that this mandrel 143 passes this sleeve 11 enters second through hole 112, its flange 1433 is held on two fixing pieces 117 in second through hole 112, and be connected to protruding wall 116, at last, the fluting 114 of card 15 from sleeve 11 inserted in the sleeves 11,, thereby finish the assembling of this pivot device 10 by its this mandrel 143 of socket 1521 clampings.

In addition, when if a certain parts need to change because of damage in the pivot device 10, push fixing piece 117, thereby butt locating piece 155 is thereon played pushing, and upwards lift card 15 by the protruding fluting 1141 of sleeve 11, can take out this card 15 easily, thereby detachable this pivot device 10 is changed required parts.

Be appreciated that ground, the pivot device 10 in the utility model can be without card 15, and is identical among other assembly and first embodiment, assembles in the same way during assembling, and the pivot device of this kind scheme is reached identical effect equally.

Another embodiment, sleeve 11 1 ends are opening, the other end is sealing, and similarly, on a diapire of sleeve, offer a fluting, identical among other assembly and first embodiment, during assembling, follower 14, cam 13 and elastomeric element 12 are assembled in the identical mode of first embodiment, are inserted in subsequently in the sleeve, are fastened on the mandrel 143 of follower 14 by being inserted in the sleeve from fluting by card 15 at last.The pivot device of this kind scheme is reached identical effect equally.

Claims

1. one kind in order to the main body that articulates portable electron device and the pivot device of lid, and it comprises:

One sleeve is located on the lid;

One follower comprises a connector that is connected, body and mandrel, and this connector fixes with main body and cooperates, and this body tool extends a plurality of projectioies along the mandrel bearing of trend, end tool one flange of this mandrel, and mandrel is contained in the sleeve;

One cam is sheathed on the mandrel of follower, is contained in the sleeve, cooperates a plurality of projectioies of follower body, and can rotate with respect to follower;

One elastomeric element is sheathed on the mandrel of follower, is contained in the sleeve; It is characterized in that: a protruding wall is set on the inwall of sleeve one end, and in sleeve, forms a through hole; Described mandrel passes described through hole and its flange and protruding wall card joins, and described elastomeric element one end contacts with cam, and the other end is connected to protruding wall mutually.

2. pivot device according to claim 1 is characterized in that: this sleeve is a blind end near the end of protruding wall.

3. one kind in order to the main body that articulates portable electron device and the pivot device of lid, and it comprises:

One sleeve is located on the lid, and the one end is an opening;

One elastomeric element is sheathed on the mandrel of follower, is contained in the sleeve, contacts with cam; It is characterized in that: a protruding wall is set on the inwall of the described sleeve other end, and in sleeve, forms a through hole, and offer a fluting near on the protruding wall end in sleeve; The flange of described mandrel passes described through hole; Described pivot device comprises that further one inserts the sleeve fluting and holds the card of the mandrel of follower, and the one end is connected to protruding wall, and the other end is connected to the flange of mandrel.

4. according to claim 1,2 or 3 described pivot devices, it is characterized in that: the diapire on this sleeve tool one plane.

5. pivot device according to claim 3 is characterized in that: card comprises end and clamping part, and this clamping part is fastened in follower.

6. pivot device according to claim 5 is characterized in that: the clamping part of card is offered a socket, and described follower is fastened in this socket.

7. pivot device according to claim 6 is characterized in that: card is provided with two locating pieces on end and clamping part joint.

8. pivot device according to claim 7, it is characterized in that: two fixing pieces are extended at the fluting two end places of this sleeve in sleeve, this two fixings piece is not connected with protruding wall, and form a gap in the two, the locating piece of described card is arranged in this gap, and is connected to the fixing piece.

9. pivot device according to claim 8 is characterized in that: in two fixing interblocks, the inwall place relative with fluting one back-up block is set in this sleeve, the clamping part of described card supports thereon.

10. according to claim 1 or 3 described pivot devices, it is characterized in that: the connector of this follower is a triangular shape.