CN2895853Y

CN2895853Y - Cladding-type pivot device

Info

Publication number: CN2895853Y
Application number: CN 200520147318
Authority: CN
Inventors: 林文亮
Original assignee: ZHIJIANG INDUSTRY Co Ltd
Current assignee: ZHIJIANG INDUSTRY Co Ltd
Priority date: 2005-12-28
Filing date: 2005-12-28
Publication date: 2007-05-02
Anticipated expiration: 2015-12-28

Abstract

The utility model provides a cladding-type pivot device, which comprises a axis, a first fixed seat, a second fixed seat, two rotating units which are respectively fixed at the two ends of the first fixed seat, and a plurality of washers; wherein, two locking holes with hollow cylinder shape are respectively provided on the two ends of the first fixed seat, and the two rotating components can be put into the locking holes respectively to rotate, two separated winding films fold and curl in opposite direction to form an arc of a semi-circle, which increases the stability of the closing components holes and is difficult to be twisted for the torsion of the rotating unit, and a helical form oil-groove which is provided on the rotating unit is used to store the oil, also the design of the helical form makes the whole inner wall of the locking holes to touch the lubricating oil to anti-wear.

Description

Coating type pivot device

Technical field

The utility model is relevant a kind of pivot device, is meant a kind of twin shaft concurrent pivot device of clad type especially.

Background technique

Along with science and technology is maked rapid progress, for operability and the convenience that increases electronic product, usually the electronic product that has LCD Display all utilizes the pivot device structure to make the turning and rotation of screen, such as digital camera, digital camera, palmtop computer (PDA), mobile computer or mobile phone etc., make the use hommization more of LCD Display, and can make small product size more shape dwindle, this type of turning with the rotation hubbing structure mostly be the twin shaft concurrent.

Twin shaft concurrent pivot device is characterised in that it has two rotating shafts, and two rotating shafts are vertically intersected on a bit, and after LCD Display was raised, this LCD Display can be in the direction rotation vertical with raising direction; Raising on the direction, is respectively to insert a swivel assembly in the hole at fixed base two ends, makes swivel assembly rotate with flip in hole or closes lid.The hole of the twin shaft concurrent pivot device in the prior art is the cylinder for sealed type, but the torsion of swivel assembly when wherein rotating can't mean allocation, easily cause produce between swivel assembly and the hole crooked.

Therefore, the utility model promptly at above-mentioned several points, proposes a kind of coating type pivot device, effectively to overcome these above-mentioned problems.

The model utility content

Main purpose of the present utility model is providing a kind of coating type pivot device, and it is the coating design of improvement locking holes, and half circular arc of locking holes is designed to be formed the torsion when rotating in locking holes with the balance rotating assembly by two reciprocal roll film convolutions.

Another purpose of the present utility model is providing a kind of coating type pivot device, and it is that a spiral helicine oil groove is provided on swivel assembly, when swivel assembly rotates, can make the oil storage in the oil groove spread all over locking holes and swivel assembly itself, to reduce friction and to wear and tear.

In order to achieve the above object, the utility model provides a kind of coating type pivot device, and it is to comprise a main shaft, it is to be the two-part hollow cylindrical, one section for another section of thick section is a thin segment, in the thick section jointing place with thin segment one wear washer is set, and the top of thin segment is fixed with a packing ring; One first fixed base is located on the wear washer of main shaft thin segment, and the thin segment of main shaft vertically passes a circle hole of the first fixed base central authorities, and respectively there is a locking holes cylindraceous at the two ends of first fixed base, and the semicircle of locking holes is that the reverse convolution of two roll films forms; Two swivel assembly, one end are cylindric, on screw thread is arranged, can be locked in respectively in the locking holes, the other end is a flat then, and a circular hole is respectively arranged on it, can be by rotating to be locked on the object and in locking holes; One compression spring is arranged in the main shaft, is located between a packing ring and the fixed angle sheet; And one second fixed base, it is to be a bow type pedestal, is fixed in thick section end of main shaft, becomes T shape with main shaft, in the second fixed base two ends one fixed hole is arranged respectively, can be fixed on the screen of object by this.

Below by illustrating in detail, when the effect that is easier to understand the purpose of this utility model, technology contents, characteristics and is reached by specific embodiment.

Description of drawings

Fig. 1 is a perspective view of the present utility model;

Fig. 2 is STRUCTURE DECOMPOSITION figure of the present utility model;

Fig. 3 is a plan view of the present utility model;

Fig. 4 is a side view of the present utility model;

Fig. 5 is a sectional drawing of the present utility model;

Fig. 6 is applied to the schematic representation of digital camera for the utility model.

[figure number explanation]

10 main shafts

102 protruding pin

12 first fixed bases

122 central authorities circle holes

123 salient points

124 locking holes

126 roll films

128 raised lines

14 second fixed bases

142 fixed holes

16 swivel assembly

162 oil grooves

164 fixed holes

18 wear washers

182 positioning holes

20 packing rings

22 fixed angle sheets

222 position-limited edges

24 compression springs

26 packing rings

Embodiment

The utility model provides a kind of coating type pivot device, it is can be installed on a palmtop computer, a mobile computer, a digital camera, a digital camera or the folding type mobile phone, utilize pivot device of the present utility model that the LCD Display and the body of said apparatus are linked, can drive upset, rotation and the location of a LCD Display, make this LCD Display rotary manipulation stably.

Please refer to Fig. 1 to Fig. 5, as shown in the figure, a main shaft 10, it is to be the two-part hollow cylindrical, and one section for another section of thick section is a thin segment, in the thick section jointing place with thin segment one wear washer 18 is set, and the plane of this wear washer 18 is provided with plural positioning hole 182; On the wear washer 18 of main shaft 10 thin segments, be provided with one first fixed base 12, make the thin segment part of main shaft 10 vertically pass a circle hole 122 of first fixed base, 12 central authorities, side at first fixed base, 12 adjacent wear washers 18 is provided with at least one salient point 123, can embed in the positioning hole 182 of wear washer 18 in order to the location, when first fixed base 12 was the axle center rotation with main shaft 10, salient point 123 slid in the next positioning hole; Main shaft 10 thick section belows are provided with two salient angles 102, can be arranged in one second fixed base, 14 central authorities, this second fixed base 14 is a bow type pedestal, with 10 one-tenth T shapes of main shaft, in second fixed base, 14 two ends one fixed hole 142 is arranged respectively, can be fixed on the screen of an object by this.

Respectively there is a locking holes 124 cylindraceous at the two ends of first fixed base 12, to provide two swivel assembly 16 in locking holes 124, to rotate, the wherein semicircle of this locking holes 124 is that two roll films, 126 reverse convolutions form, when swivel assembly 16 rotates in locking holes 124, but the design balance torsion of two roll films 126 is to avoid the locking holes 124 and first fixed base 12 crooked, on locking holes 124, more be provided with two raised lines 128, in order to 16 revolvable angles of restriction swivel assembly; One end of swivel assembly 16 is cylindric, can be locked in the locking holes 124 respectively, be provided with screw-shaped oil groove 162 at cylindric end, lubricant oil can be uniformly distributed on locking holes 124 and the swivel assembly 16 when being beneficial to rotate, make through the swivel assembly 16 after lubricated and can rotate more easily, and the friction of difficult and locking holes 124 inwall substantivities; The other end of swivel assembly 16 is the fixed end of flat, and a fixed hole 164 is respectively arranged on it, can be by to be locked on the object.

On main shaft 10 thin ends, except being provided with the wear washer 18 and first fixed base 12, more be provided with plural assembly, be in regular turn from inside to outside: packing ring 20, fixed angle sheet 22, compression spring 24 and packing ring 26; The tangent plane of the inside casing of fixed angle sheet 22 and main shaft 10 thin segments coincide, and can be fixed on the main shaft 10 and does not rotate, and in fixed angle sheet 22 outer rims one position-limited edge 222 that protrudes is arranged, to limit the radian that first fixed base 12 rotates on main shaft 10; Packing ring 26 and the compression spring 24 fixed angle sheet 22 between fixing in outermost are in order to elastic space between the assemblies such as fixed angle sheet 22, packing ring 20, first fixed base 12 and wear washer 18 to be provided, when rotation first fixed base 12, salient point 123 skids off positioning hole 182, pressure spring pad 24, and utilize reaction force that salient point 123 is embedded next positioning hole 182.

The embodiment that the utility model is used can be as shown in Figure 6, utilize the swivel assembly 16 of first fixed base 12 to be fixed on the digital camera, and utilize second fixed base 14 to fix the Rotation screen of this digital camera, device proper and Rotation screen are linked together; Except this embodiment, the utility model also can be applicable on palmtop computer, mobile computer, digital camera or the folding type handset device.

But the above is preferred embodiment of the present utility model only, is not to be used for limiting the scope that the utility model is implemented.So be that all equalizations of doing according to described feature of the utility model application range and spirit change or modification, all should be included in the claim of the present utility model.

Claims

1. a coating type pivot device is characterized in that, comprising:

One main shaft, it is to be the two-part hollow cylindrical, one section for another section of thick section is a thin segment, in the thick section jointing place with thin segment one wear washer is set, and the top of thin segment is fixed with a packing ring;

One first fixed base, be located on this wear washer of this main shaft thin segment, the thin segment of this main shaft vertically passes a circle hole of these first fixed base central authorities, and respectively there is a locking holes cylindraceous at the two ends of this first fixed base, and the wherein semicircle of this locking holes is that the reverse convolution of two roll films forms;

Two swivel assembly, one end are cylindric, on screw thread is arranged, can be locked in respectively in this locking holes, the other end is a flat then, and a circular hole is respectively arranged on it, can be by rotating to be locked on the object and in this locking holes;

One compression spring is arranged in this main shaft, is located between this packing ring and the fixed angle sheet; And

One second fixed base, it is to be a bow type pedestal, is fixed in thick section end of this main shaft, becomes T shape with this main shaft, in these second fixed base two ends one fixed hole is arranged respectively, can be fixed on the screen of this object by this.

2. coating type pivot device as claimed in claim 1 is characterized in that, described this packing ring is the thin segment end that is riveting in this main shaft.

3. coating type pivot device as claimed in claim 1 is characterized in that, more a packing ring can be set between described this first fixed base and this fixed angle sheet.

4. coating type pivot device as claimed in claim 1 is characterized in that, described this two locking holes outside is respectively to be provided with two raised lines, is promptly blocked by this raised line after this swivel assembly is turned an angle.

5. coating type pivot device as claimed in claim 1 is characterized in that, thick section end of described this main shaft is to be provided with two salient angles, and its shape with this second fixed base central hole conforms to, and can be fastened in this second fixed base.

6. coating type pivot device as claimed in claim 1, it is characterized in that this circle hole of described this first fixed base has plural salient point, can fix mutually with the plural positioning hole on this wear washer, when this first fixed base rotation, this salient point slides into respectively in next this positioning hole.

7. coating type pivot device as claimed in claim 1 is characterized in that, described this object is to be a palmtop computer, a mobile computer, a digital camera, a digital camera or a folding type mobile phone.