CN2490354Y - Improved structure of pivot - Google Patents

Abstract

An improved structure of pivot comprises a spindle bar, a locating ring which is arranged between the spindle bar, and separates the spindle bar into two parts, two pivotal pieces which are hinged with two sides of the spindle bar, and two fixed rings which are fixedly sleeved on two sides of the spindle bar and positioned at the outside of the pivotal pieces; the pivotal pieces connect with the host and screen of a notebook host respectively, because the pivotal pieces are tightly arranged on the spindle bar, the pivotal pieces are relatively pivotal, and stays a non-specific angle because of friction force; besides, the stress of the opening/closing actions is evenly stayed on the pivotal pieces, thereby prolonging the life span of the locating spindle and increasing the opening/closing times.

Description

The positioning rotating shaft structure improvement

The utility model is about a kind of positioning rotating shaft structure improvement, refer to especially a kind of on mandrel rod pivot overlap two pivot sheets and can do the action of folding, and utilize two pivot sheet average force, and increase the positioning rotating shaft access times in opening and closing movement, increase its working life.

Press, society's science and technology is flourishing at present, the volume that daily living article and electronic product manufacture has more and more littler and accurate trend, its structure aspect also certainly will represented relatively and dwindle, but must promote relatively working life, for instance, with the structure of portable type notebook computer now (seeing also shown in Figure 10), 90 in its screen 80 and main frame are to be provided with to make a location turning gear, opening and closing movement with control screen 80, this device (please cooperate shown in Figure 8) is to be formed with a retaining ring 701 in the middle of a mandrel rod 70, and mandrel rod 70 is separated both sides, this retaining ring 701 is to be made of one piece with mandrel rod 70, again a pivot sheet 60 pivots are placed in an end of mandrel rod 70 again, make pivot sheet 60 can do an action (seeing also shown in Figure 9) that pivots up and down, when this positioning rotating shaft device is used in notebook computer, (see also shown in Figure 10), be that mandrel rod 70 1 ends with the positioning rotating shaft device are inserted in the draw-in groove 901 that main frame 90 forms, with screw-in version screw 702 and main frame 90 are screwed togather mutually, 60 spiral shells of the pivot sheet of these mandrel rod 70 the other ends are solid on screen 80, use the opening and closing movement that makes screen 80 can do an arc angle with pivot sheet 60, but can find according to the result after using, the force bearing point of whole positioning rotating shaft device, all be to act directly on the pivot sheet 60, when opening screen 80 actions as operation, it is that pivot sheet 60 stressed torsion rotate pivot sheet 60 greatly, shutting 80 of screens for another operation is that main frame 90 stressed torsion make on pivot sheet 80 rotatable covers greatly, so when pivot sheet 60 just uses the frictional force that can bear, will reduce gradually along with the increase of access times, produce loosening situation so have opening and closing movement, or and then cause screen 80 can't be fixed in the problem of special angle.

This shows that the structure of existing positioning rotating shaft still has the space of improvement and creation, still treats further thinking.

Therefore, the utility model main purpose is providing a kind of positioning rotating shaft structure improvement, allow two pivotal axis modes of mandrel rod socket, reach allow positioning rotating shaft be installed on power that folding bears can be on average on two pivot sheets, and increase working life of positioning rotating shaft device.For reaching the major technique means that aforementioned purpose is taked, be to make aforementioned positioning rotating shaft structure improvement, it includes: a mandrel rod; One is sheathed in the middle of the mandrel rod and it is divided into the positioning ring on both sides; Two respectively pivot be placed in the pivot sheet at mandrel rod two ends; Two are overlapped the retaining ring that is fixed in the mandrel rod two ends and is positioned at the aforesaid pivoted sheet outside respectively.This mandrel rod is the circular shaft of a rectangular cylindrical shape, and its two ends are formed with several recessed rails vertical with mandrel rod respectively.

This positioning ring is the circular iron hoop of a relative mandrel rod size.

This pivot sheet is the pivot cover portion that is formed with barrel shaped in an iron plate one end, supplies to tightly fit on the mandrel rod, and is formed with attachment hole on the iron plate.

These mandrel rod two ends are formed with several recessed rails vertical with mandrel rod respectively.

These mandrel rod two ends are formed with the recessed rail of several intersections respectively.

For making your juror further understand aforementioned purpose and structure characteristic, attached now with graphic detailed description as after, wherein:

Fig. 1 is an outward appearance exploded view of the present utility model.

Fig. 2 is an outward appearance action diagram of the present utility model.

Fig. 3 is an enforcement illustration of the present utility model.

Fig. 4 is a part of preferred embodiment figure of the utility model.

Fig. 5 is another preferred embodiment of some of the present utility model figure.

Fig. 6 is the another preferred embodiment figure of some of the present utility model.

Fig. 7 is some of the present utility model preferred embodiment figure again.

Fig. 8 is the External view of commonly using.

Fig. 9 is the outward appearance action diagram of commonly using.

Figure 10 is the enforcement illustration of commonly using.

Relevant structure division of the present utility model sees also shown in Figure 1ly, and it includes:

One mandrel rod 10;

One is sheathed in the middle of the mandrel rod 10 and it is divided into the positioning ring 20 on both sides;

Two respectively pivot be placed in the pivot sheet 30,301 at mandrel rod 10 two ends;

Two are overlapped the retaining ring 40 that is fixed in mandrel rod 10 two ends and is positioned at aforesaid pivoted sheet 30,301 outsides respectively; Wherein:

With aforesaid pivot sheet the 30, the 301st, be formed with the pivot cover portion of barrel shaped respectively at an iron plate one end, tightly fit on the mandrel rod 10 for being inserted in relatively, owing to be coated with lubricant oil on the mandrel rod 10, so can make 10 of pivot sheet 30,301 and mandrel rods constitute pivot cover relation simultaneously to be pivoted relative to each other, allow pivot sheet 30,301 can stagnate on special angle not again because of therebetween friction relation, be formed with several on aforementioned again mandrel rod 10 each two ends outer circumference and be vertical recessed rail 101 with mandrel rod 10, can be in order to store and to reduce the lubricant oil outflow and retaining ring 40 is buckled into.

Cooperate graphic exposure can find out detailed construction of the present utility model by above explanation, as follows as for its Application Example mode:

At first please refer to shown in Figure 3, it is used in the junction of screen 501 with the main frame 50 of portable type notebook computer, it is to be positioned at the different pivot sheet 30 in mandrel rod 10 two ends, 301 are incorporated into respectively on screen 501 and the main frame 50, when screen 501 is opened, the pivot sheet 301 stressed poundages that combine with screen 501 make it be switched to 90 degree opening states (as shown in Figure 2) greatly, allow pivot sheet 301 because of fixing with the frictional force of mandrel rod 10, again when screen 501 is closed, the pivot sheet 30 stressed poundages that combine with main frame 50 become big, so be to utilize the pivot joint of 30 of mandrel rod 10 and pivot sheets to concern, screen 501 is switched to be shut, by this in the action of opening and closing, reaching can be by two pivot sheet 30,301 distinguish stressed and the purpose of average friction loss, have only stressed on one side and reduce the shortcoming of frictional force and access times between itself and mandrel rod with the existing positioning rotating shaft of effective improvement, and can increase its working life.Other is formed at the recessed rail 101 at upper limb place, mandrel rod 10 two ends, and be to be positioned at retaining ring 40 1 sides, and can store the lubricant oil that overlays on mandrel rod 10, and the working life of increase mandrel rod 10.

Other sees also shown in Figure 5, is a preferred embodiment of the utility model mandrel rod 10, and this mandrel rod 10 is formed with several recessed rails 112 vertical with mandrel rod 10 respectively at two ends places.

Seeing also again shown in 4 figure, is another preferred embodiment of the utility model mandrel rod 10, and this mandrel rod 10 is to be formed with the cross one another recessed rail 103 of array respectively at two ends.

Other sees also shown in Figure 6, is the another preferred embodiment of the utility model mandrel rod 10, and this mandrel rod 10 is to be formed with array recessed rail 104 radially respectively at two ends.

Seeing also again shown in 7 figure, is a preferred embodiment again of the utility model mandrel rod 10, and this mandrel rod 10 is to be formed with cross one another recessed rail 115 of array or spiral helicine recessed rail 105 respectively at two ends.

Previous embodiment discloses to have at mandrel rod 10 and forms different recessed rails at two ends, the working life that it can store the lubricant oil on the mandrel rod 10 equally and increase rod 10.

By described above, the utility model really can reach when allowing the positioning rotating shaft device use, can be average The stressed situation of pivot sheet on mandrel rod reaches the effect that increases its service life.

Comprehensive as can be known above-mentioned, the utility model has different intention for existing positioning rotating shaft structure And improvement, and possess aobvious effect is arranged, then had practicality and progressive concurrently, and meet patent Important document, application is mentioned in the whence in accordance with the law.

Claims (6)

1. positioning rotating shaft structure improvement is characterized in that it includes:

One mandrel rod;

One is sheathed in the middle of the mandrel rod and it is divided into the positioning ring on both sides;

Two respectively pivot be placed in the pivot sheet at mandrel rod two ends;

Two are overlapped the retaining ring that is fixed in the mandrel rod two ends and is positioned at the aforesaid pivoted sheet outside respectively.

2. positioning rotating shaft structure improvement according to claim 1 is characterized in that, this mandrel rod is the circular shaft of a rectangular cylindrical shape, and its two ends are formed with several recessed rails vertical with mandrel rod respectively.

3. positioning rotating shaft structure improvement according to claim 1 is characterized in that, this positioning ring is the circular iron hoop of a relative mandrel rod size.

4. positioning rotating shaft structure improvement according to claim 1 is characterized in that, this pivot sheet is the pivot cover portion that is formed with barrel shaped in an iron plate one end, supplies to tightly fit on the mandrel rod, and is formed with attachment hole on the iron plate.

5. positioning rotating shaft structure improvement according to claim 1 is characterized in that, these mandrel rod two ends are formed with several recessed rails vertical with mandrel rod respectively.

6. positioning rotating shaft structure improvement according to claim 1 is characterized in that, these mandrel rod two ends are formed with the recessed rail of several intersections respectively.

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