CN2608643Y

CN2608643Y - Improvement of rotary shaft structure

Info

Publication number: CN2608643Y
Application number: CN 03238855
Authority: CN
Inventors: 洪进富
Original assignee: Xingjixingye Co ltd
Current assignee: Jarllytec Co Ltd
Priority date: 2003-03-14
Filing date: 2003-03-14
Publication date: 2004-03-31
Anticipated expiration: 2013-03-14

Abstract

The utility model relates to the improvement of a rotating axis structure, comprising an axostyle, two pin joint pieces and two end sealing pieces. The axostyle is a rod body and the two ends of the axostyle are respectively provided with a connecting end; the two pin joint pieces relatively socket joints on the axostyle through two sleeve tubes with sizes slightly smaller than the axostyle; each sleeve tube extends to the side direction and is provided with a connecting piece which is connected with an article so as to make one pin joint piece as an active piece and the other pin joint pieces as a fixing piece; the two sleeve tubes are respectively provided with a tube groove along the radial direction and the opening directions of the two tube grooves are the same; the two end sealing pieces are combined with the connecting ends of the axostyle; when one pin joint pieces is open, the friction parts at the two sides of the axostyle respectively form friction torque with the sleeve tube at the same side.

Description

The improvement of pivot structure

Technical field

The utility model relates to a kind of pivot structure, refers to a kind of articulated part that makes axostylus axostyle both sides especially when opening and closing movement, and its both sides are average force respectively, can increase the access times of rotating shaft, and increase its application life.

Background technology

Press the consumption electronic products of tool flip, such as portable computer, e-dictionary and portable video-audio playing device ... Deng, substantially, main part is placed Lower Half, and link, but make cover body part with respect to the main part folding by the cover body part of the rotating shaft and the first half.Therefore, rotating shaft is also for determining a big essential factor of the said goods quality.

By and large, be example with the socket joint type rotating shaft, it adopts so-called radial friction, is significant example as the 5th, 632, No. 066 patent case of the U.S. (corresponding to the novel No. 111911 patent case in Taiwan).But the socket joint type rotating shaft is for obtaining desired stagnation locating effect, so precision requirement is very high, it is gone up at female connector (female connecting member) and forms an axis hole, and the jack-post central horizontal of male connector (maleconnecting member) is to opening a grooving, so that the elasticity of jack-post appropriateness to be provided, so that after being nested in axis hole, promptly produce friction torque between this jack-post and axis hole.Therefore, aforesaid socket joint type rotating shaft promptly because of the abrasion between jack-post and axis hole, and produces relaxation after using one period time.In addition, the operation of a cross-sectional grooving on jack-post, often meticulous because of the size of jack-post, and increase the degree of difficulty of producing, really be a fly in the ointment.

The utility model content

Main purpose of the present utility model is to provide a kind of improvement of pivot structure, it is at axostylus axostyle both sides difference socket one articulated part, each radially offers a groove sleeve of this two articulated part, and the opening direction of this two simple groove is identical, wherein an articulated part reverses on axostylus axostyle, and locating effect is stagnated in generation, during its counter-rotating, then make axostylus axostyle be the state of reversing with respect to another articulated part, make the friction part of axostylus axostyle both sides when folding, each friction portion be you can well imagine for the sleeve of an articulated part and is stagnated positioning function, with increase rotating shaft access times, and increases its application life.In addition, this axostylus axostyle surface is provided with at least one oil groove, and ccontaining for lubricant grease so that lubricant effect to be provided, and eliminated different sound.Especially, the prominent respectively arc edge of establishing in the sleeve opposite end of this two articulated part is with the limit of ending as the rotating shaft folding.

For achieving the above object, the improvement of the pivot structure that the utility model provides, it comprises:

One axostylus axostyle is a body of rod, and its two ends respectively are provided with a binding end;

Two articulated parts are socketed on the axostylus axostyle relatively by the sleeve of undersized in axostylus axostyle, and each sleeve extends laterally a connecting piece, and be connected to article, make that an articulated part is a movable part, and another articulated part is a fixture, each radially opens a groove this two sleeve, and the opening direction of two grooves is identical;

The two ends sealing is incorporated into the binding end at axostylus axostyle two ends respectively;

When the folding, the friction part of these axostylus axostyle both sides forms friction torque with the sleeve of homonymy respectively and forms by wherein an articulated part.

Wherein this axostylus axostyle surface is provided with at least one oil groove.

Wherein this oil groove is a spirality.

Wherein the brace of articulated part is provided with at least one film perforation.

Wherein the contact jaw of two relative sleeves extends an arc edge separately, when offseting each other, is the limit of ending of rotating shaft folding.

Wherein this binding end is a catching groove, and the end sealing is a clasp.

Description of drawings

For further disclosing concrete technology contents of the present utility model, at first see also accompanying drawing, wherein:

Fig. 1 is the three-dimensional exploded view of the utility model rotating shaft;

Fig. 2 a and Fig. 2 b are two sectional drawings of the utility model group after upright;

Fig. 3 is the stereogram of the utility model group after upright.

The specific embodiment

As shown in Figure 1, basically, pivot structure of the present utility model is by an axostylus axostyle 1, two articulated part 2, and two ends sealing 3 combines.

Wherein, axostylus axostyle 1 is a body of rod, and its both ends respectively are provided with a binding end 11, with after chat two ends sealing 3 and combine, make two articulated parts 2 unlikely by axially deviating from.For lubricant effect is provided, therefore, respectively establish at least one oil groove 121 simultaneously on friction part 12 surfaces of axostylus axostyle 1 both sides, be used for ccontaining lubricant grease, and be good with helical form when this oil groove 121 is implemented, but, make sleeve 21 inwalls of articulated part 2 can be lubricated comprehensively not as limit.

Two articulated parts 2 are socketed on the axostylus axostyle 1 relatively with the sleeve 21 of undersized in axostylus axostyle 1 external diameter, each sleeve 21 tangentially extends a connecting piece 22, to be incorporated into article (for example main part) and another article (for example cover body part) respectively, and connect effect more efficiently for providing, therefore open at least one film perforation 221 on each brace 22, pass through for screw, and be locked on the article of institute's desire connection.And characteristic of the present utility model is, each sleeve 21 periphery is radially opened one groove 23, the opening direction of these two grooves 23 is identical, it not only makes the function of sleeve 21 tool elastic dilatations and compression, simultaneously, when an articulated part 2 with just, when reversing, this two friction part 12 on average provides frictional force respectively, therefore, can increase the service life.In addition, one section arc edge 24 is respectively extended in the opposite end of this two sleeve 21, and when two arc edge 24 were mutual supporting in reversing, ending when promptly representing folding limit.

Two ends sealing 3 is incorporated into two binding ends 11 of axostylus axostyle 1, be good with clasp when it is implemented, be buckled in the catching groove of binding end 11, but this is not to exceed, modes such as its both combination is also rabbeted, screwed togather, riveted or welding are fixed, and its main purpose is to make that two articulated parts 2 are unlikely axially deviates to get final product.

After the utility model stands according to above-mentioned explanation group, promptly as shown in Figure 3.See also Fig. 2 a and Fig. 2 b, the articulated part 2 of this left and right side is connected to a main part and a cover body part, when lid being closed when raising, friction torque occurs in the sleeve 21 and the friction part 12 of right side articulated part 2, make this right side articulated part 2 in rotary course clockwise, can produce the effect of stagnating the location.When cover body part is covered, because tube groove 23 opening directions of the sleeve 21 of two articulated parts 2 are identical, therefore, tube groove 23 ends of right hand sleeves 21 are because of stressed bigger, so that when counter-rotating, tighten the friction part 12 of homonymy, and make the rotation of axostylus axostyle 1 counterclockwise, friction torque is formed between the sleeve 21 of the friction part 12 in left side and the articulated part 2 that homonymy is stationary state.

So, via enforcement of the present utility model, make rotating shaft in the action of folding, friction torque be respectively formed at bull stick one side friction part and and the sleeve of its socket between, this measure can effectively improve known rotating shaft and have only loss that monolateral friction produces and lax phenomenon generation, thereby the increase access times, and increase the service life.

The described just preferred embodiment of the utility model a kind of, such as Ju Bu change or modification and come from technological thought of the present utility model and be have the knack of this skill the people was easy to know by inference, all do not take off patent right category of the present utility model.

Claims

1, a kind of improvement of pivot structure is characterized in that, comprising:

2, the improvement of pivot structure according to claim 1 is characterized in that, wherein this axostylus axostyle surface is provided with at least one oil groove.

3, as the improvement of pivot structure as described in the claim 2, it is characterized in that wherein this oil groove is a spirality.

4, the improvement of pivot structure according to claim 1 is characterized in that, wherein the brace of articulated part is provided with at least one film perforation.

5, the improvement of pivot structure according to claim 1, wherein the contact jaw of two relative sleeves extends an arc edge separately, when offseting each other, is the limit of ending of rotating shaft folding.

6, the improvement of pivot structure according to claim 1 is characterized in that, wherein this binding end is a catching groove, and the end sealing is a clasp.