CN201013734Y

CN201013734Y - Armature apparatus having multiple friction interface

Info

Publication number: CN201013734Y
Application number: CNU2007201410598U
Authority: CN
Inventors: 陈嘉辉; 许添悦
Original assignee: Lianhong Technology Co Ltd
Current assignee: Lianhong Technology Co Ltd
Priority date: 2007-03-26
Filing date: 2007-03-26
Publication date: 2008-01-30
Anticipated expiration: 2017-03-26

Abstract

The utility model relates to a pivot button apparatus with multiple friction interfaces; a locating shim and a slave staddle are respectively arranged at two sides of a first base and a second base which are relatively combined and a fixed plate is respectively arranged between the locating shim and the slave staddle and at the external side of the slave staddle; the non-circular shaft part of a rotary shaft penetrates all the parts and a screw cap is used to lock a shrapnel group; wherein four fixed plates rotate together with the rotary shaft with generating six friction interfaces to make s friction area of the pivot button apparatus increased, thus generating a large torsion with a small space under the stress of the same shrapnel group so as to enhance the supporting force when the folding electronic product is opened.

Description

Pivot with many friction interfaces

Technical field

The utility model refers to a kind of pivot with many friction interfaces especially about a kind of folding electronic product (for example notebook computer or mobile phone) structure.

Background technique

In the folding electronic product, must link a base portion (for example keyboard or button) and a rotary part (for example screen), to reach folding function with pivot.

In the common pivot structure, mainly pass a pedestal with a rotating shaft after, with nut locking roller end, and then one group be fixed between rotating shaft and the pedestal to count the shell fragment group that the dish type shell fragment constitutes.The base portion of pedestal winding folding electronic product wherein, rotating shaft is connected to rotary part, and the shell fragment group then provides an axial compressing power.

Can locate at opening angle for the rotary part that makes the folding electronic product, between pedestal and shell fragment group, also can be provided with a part to produce the friction interface with respect to base portion.It is to be provided with a fixing locating washer and a secondary bolster in that pedestal is other that typical friction interface produces, and the fixed plate that together rotates with rotating shaft is set for a moment betwixt; Utilize two face branches of fixed plate to contact,, make the relative base portion of folding electronic product rotary part to locate at opening angle to form the friction interface with locating washer and secondary bolster.

This type of traditional pivot, because two friction interfaces are only arranged, the support force that makes whole pivot open is limited.Open support force if improve, the diameter that certainly will increase pivot just can be reached with the area that increases the friction interface; But this consolidation requirement to portable type folding electron product is quite unfavorable.

Summary of the invention

The utility model provides a kind of pivot with many friction interfaces, it utilizes four fixed plates that are provided with in the pivot to produce six friction interfaces, makes under the pivot of same diameter, can improve friction area, stressed down in identical shell fragment group, can reach the effect that little space produces big torsion.

Technical solutions of the utility model: a kind of pivot with many friction interfaces, it is characterized in that, comprising:

First and second pedestal, each pedestal has a circular hole, the adjacent setting of two circular holes;

One rotating shaft has a non-circular axial region and an a junction, and this axial region has the screw section away from the end of this joint;

First and second locating washer is separately fixed at the relative outside of above-mentioned first and second pedestal, and adjacent with the circular hole outside of above-mentioned first and second pedestal respectively, and this each locating washer offers the circular hole that the axial region for above-mentioned rotating shaft passes;

First and second secondary bolster is arranged at the relative outside of above-mentioned first and second pedestal respectively, and each secondary bolster have one extend to the fixing part of relative said base, an and circular hole that passes for above-mentioned rotating shaft axial region;

First to fourth fixed plate, each fixed plate have one can for the axial region of above-mentioned rotating shaft pass and with the non-circular perforation that matches;

One in order to provide the shell fragment group of torsion, is nested with on the axial region of above-mentioned rotating shaft; And

One nut locks together with the screw section of above-mentioned axial region end;

Above-mentioned first fixed plate is formed with the first friction interface between the above-mentioned first secondary bolster surface of contact between the end face and the first secondary bolster of above-mentioned rotating shaft joint; Above-mentioned second fixed plate between the above-mentioned first secondary bolster and first locating washer, the above-mentioned first secondary bolster surface of contact and with the above-mentioned first locating washer surface of contact between be formed with second and third interface that rubs; Above-mentioned the 3rd fixed plate between above-mentioned second locating washer and the second secondary bolster, the above-mentioned second locating washer surface of contact and with the above-mentioned second secondary bolster surface of contact between be formed with the 4th and the 5th interface that rubs; Above-mentioned the 4th fixed plate is formed with the 6th friction interface between the above-mentioned second secondary bolster surface of contact between the above-mentioned second secondary bolster and above-mentioned shell fragment group.

Wherein, the fixing part of first and second secondary bolster is vertical knuckle shape, and its each fixing part has a horizontal part, stretches into respectively in the opening of above-mentioned first and second pedestal circular hole below.

Wherein, second locating washer is formed with vertical tabs respectively at the both sides, front and back, and this vertical tabs stretches into respectively in the groove of above-mentioned first and second both sides, pedestal circular hole front and back.

Wherein, be provided with the prominent point and the depression of array location usefulness between first and second locating washer and above-mentioned first and second pedestal surface of contact.

Wherein, be provided with a positioning plate between nut and the above-mentioned shell fragment group, offer on this positioning plate one can for above-mentioned rotating shaft axial region pass and with the non-circular perforation that cooperates.

The utility model beneficial effect: the utility model utilizes four fixed plates that are provided with in the pivot to produce six friction interfaces, make under the pivot of same diameter, can improve friction area, stressed down in identical shell fragment group, can reach the effect that little space produces big torsion.

Below, will structure of the present utility model and effect be described in detail according to the embodiment shown in the drawing.

Description of drawings

Fig. 1: be exploded view of the present utility model,

Fig. 2: be constitutional diagram of the present utility model,

Fig. 3: be cross section view of the present utility model.

Embodiment

See also Fig. 1 and Fig. 2, pivot structure of the present utility model has first and

second pedestal

11 and 12, a rotating shaft 20, first and second locating

washer

31 and 32, first and second

secondary bolster

41 and 42, first to fourth fixed plate 51 to 54, a shell fragment group 60, a nut 70 and a positioning plate 80.

First and

second pedestal

11 and 12 has been offered a

circular hole

111 and 121 respectively, and this two

circular hole

111 and 121 is by adjacent setting.This first and second pedestal

circular hole

111 and 121 belows are respectively equipped with an opening 112 and 122, and the both sides, front and back then form opposed two

grooves

113 and 123 respectively.This first and second pedestal

circular hole

111 and 121 outer periphery are provided with most depressions 114 (the depression figure of second pedestal 12 does not show).

Offer porose

115 and 125 on first and

second pedestal

11 and 12, make its base portion combine (figure does not show) with the folding electronic product.

One rotating shaft 20 has a non-circular axial region 21 and an a junction 22, and this axial region 21 has screw section 23 away from the end of this joint 22.Offer porosely 24 on the joint 22, can combine (figure does not show) with the rotary part of folding-type electronic device.

First and second locating

washer

31 and 32 is fixed on the relative outside of first and

second pedestal

11 and 12 respectively, and adjacent with the

circular hole

111 and 121 outsides of first and second pedestal respectively, each locating washer offers the

circular hole

311 and 321 that the axial region 21 for rotating shaft 20 passes.First and second locating

washer

31 and 32 forms

vertical tabs

312 and 322 respectively at the both sides, front and back, and this

vertical tabs

312 and 322 stretches into respectively in the

groove

113 and 123 of first and second pedestal 11 and 12.First and second locating

washer

31 and 32 and first and

second pedestal

11 and 12 surface of contact be provided with 323 (the prominent point diagram of first locating washer 31 does not show) of most prominent point, its depression 114 with first and

second pedestal

11 and 12 engages the formation positioning action.

First and second

secondary bolster

41 and 42 is arranged at the relative outside of first and

second pedestal

11 and 12 respectively, and each

secondary bolster

41 and 42 has a

fixing part

411 and 421, and it extends to first and

second pedestal

11 and 12 respectively.Each

pedestal

41 and 42 also offers a

circular hole

412 and 422 that passes for the axial region 21 of rotating shaft 20.Each

secondary bolster

41 and 42

fixing part

411 and 421 are a vertical knuckle shape, and its each have a

horizontal part

413 and 423, stretch into respectively in the opening 112 and 122 of first and second pedestal

circular hole

111 and 121 belows, make first and second

secondary bolster

41 and 42 can be fixed on first and

second pedestal

11 and 12.

First to fourth fixed plate 51 to 54, have respectively one can for the axial region 21 of rotating shaft 20 pass and with the non-circular perforation that cooperates 511,521,531,541, make each fixed plate 51 to 54 together rotate with rotating shaft 20.

In addition, one group of shell fragment group 60 of being made up of number dish type shell fragment is passed so that compressing power to be provided by the axial region 21 of rotating shaft 20.One nut 70 locks together in the screw section 23 of axial region 21 ends.Be provided with a positioning plate 80 between nut 70 and the shell fragment group 60, offer on this positioning plate 80 one can for the axial region 21 of rotating shaft 20 pass and with the non-circular perforation that cooperates 81, make this positioning plate 80 together rotate with rotating shaft 20.

When rotating shaft 20 was rotated, axial region 21 will drive four fixed plates 51 to 54 and together rotate, and first and

second pedestal

11 and 12, first and second locating

washer

31 and 32, first and second

secondary bolster

41 and 42 then maintain static.

Noticeable, in the utility model pivot structure, referring to Fig. 3, first fixed plate 51 between the end face and the first secondary bolster 41 of rotating shaft 20 joints 22, and and first secondary bolster 41 surface of contact between form the first friction interface; Second fixed plate 52 between the first secondary bolster 41 and first locating washer 31, and and first secondary bolster 41 surface of contact and with first locating washer, 31 surface of contact between form second and third interface that rubs.The 3rd fixed plate 53 between second locating washer 32 and the second secondary bolster 42, and and second locating washer, 32 surface of contact and with second secondary bolster 42 surface of contact between form the 4th and the 5th interface that rubs.The 4th fixed plate 54 between the second secondary bolster 42 and shell fragment group 60, and and second secondary bolster 42 surface of contact between form the 6th friction interface.

The utility model system utilizes four fixed plates 51 to 54 that are provided with in the pivot to produce six friction interfaces, make under the pivot of same diameter, can improve friction area, stressed down in identical shell fragment group 60, can reach the effect that little space produces big torsion, the support force when opening to improve the folding electronic product.

To sum up institute is old, and the pivot with many friction interfaces provided by the utility model can produce big torsion in less space, and the more known person of using effect is more progressive.

Claims

1. the pivot with many friction interfaces is characterized in that, comprising:

2. according to the described pivot of claim 1 with many friction interfaces, it is characterized in that, the fixing part of first and second secondary bolster is vertical knuckle shape, and its each fixing part has a horizontal part, stretches into respectively in the opening of above-mentioned first and second pedestal circular hole below.

3. according to the described pivot with many friction interfaces of claim 1, it is characterized in that second locating washer is formed with vertical tabs respectively at the both sides, front and back, this vertical tabs stretches into respectively in the groove of above-mentioned first and second both sides, pedestal circular hole front and back.

4. according to the described pivot of claim 1, it is characterized in that, be provided with the prominent point and the depression of array location usefulness between first and second locating washer and above-mentioned first and second pedestal surface of contact with many friction interfaces.

5. according to the described pivot of claim 1, it is characterized in that, be provided with a positioning plate between nut and the above-mentioned shell fragment group with many friction interfaces, offer on this positioning plate one can supply above-mentioned rotating shaft axial region to pass and with the non-circular perforation that cooperates.