CN2406103Y

CN2406103Y - Rotary shaft structure

Info

Publication number: CN2406103Y
Application number: CN 00205445
Authority: CN
Inventors: 张台沅
Original assignee: Zhaoli Information Industry Co
Current assignee: Jarllytec Co Ltd
Priority date: 2000-02-17
Filing date: 2000-02-17
Publication date: 2000-11-15
Anticipated expiration: 2010-02-17

Abstract

The utility model relates to a rotary shaft structure which comprises a movable shaft of which the surface is convexly provided with a shaft collar, an extending part is arranged at one side of the movable shaft, and a shaft post extends at the other side of the movable shaft; a cutting groove is horizontally arranged, and a ring concave is arranged on the tail end of the surface of the movable shaft. An oil tank surrounded by a spiral curve is arranged on the surface of the shaft post and communicated with the ring concave. The utility model also comprises a fixed shaft which is a cylindrical body, and an extending part is arranged on one side of the fixed shaft, and a shaft bush extends on the other side of the fixed shaft. The inner part of the shaft bush has a shaft hole of which the size is smaller than that of the shaft post. The shaft post is embedded into the shaft hole, and the cutting groove is extruded slightly with variable pressure so as to enter the shaft hole for positioning. The oil tank can provide comprehensive lubrication effect, when the shaft post revolves relatively to the shaft hole, the shaft post can not create dryness and noises.

Description

Turning shaft structure

The utility model is a kind of turning shaft structure, refers to that especially a kind of stationary axle of rotating shaft and movable axis adopt the drive fit socket, with simplified structure and reduce assembling man-hour.Into person is arranged especially, establish on the movable axis of the present utility model one with spiral rings around oil groove, can comprehensively provide lubrication effect, to avoid the generation of different sound.

Consumption electronic products by general tool flip, such as portable computer, e-dictionary and portable type video-audio playing device ... Deng, on the whole be that main part is placed Lower Half, and the cover body part of the mat rotating shaft and the first half link, make cover body part with respect to main part, for it folding.Therefore, rotating shaft is also for determining a good bad big essential factor of the said goods.In fact, good rotating shaft except that the stagnation effect of indispensability, makes its not reason repetitiousness operation and produce laxly, certainly in operation, also should eliminate different sound, feels bad when the operation to avoid the user.

By and large, the friction-produced mode of rotating shaft can generally be divided into two kinds, one is a series type, that is so-called axial rub, be an example such as the 5th, 190, No. 391 patent cases of the U.S. (corresponding to the novel No. 73784 patent case of TaiWan, China), only this axial rub is not the mode that the utility model adopts, so do not intend giving unnecessary details.Another kind then is a socket joint type, that is so-called radial friction, also is significant example such as the 5th, 632, No. 066 patent case of the U.S. (corresponding to the novel No. 111911 patent case of TaiWan, China).Socket joint type rotating shaft as unique is for obtaining desired stagnation locating effect, so precision requirement is very high, that is its male connector (maleconnecting member) and female connector (female connecting member) are with the metal of easy grinding and cutting for it, so that on female connector, form an axis hole, and the jack-post central authorities of male connector establish a post hole, and its level is to establishing a grooving, to provide jack-post suitable elasticity, so that embed axis hole.Only for increasing the intensity and the abrasion performance degree of male and female link, so it is still needed via heat treatment step after grinding and cutting, this measure often makes jack-post produce distortion because of the setting in post hole, so that can't form preferable socket with axis hole.

In view of this, claimant of the present utility model this in the experience of being engaged in rotating shaft design and production and marketing for many years, the phase can overcome the disappearance of aforementioned socket joint type rotating shaft, through experiment repeatedly with test, and then develop and " turning shaft structure " of the present utility model.

The purpose of this utility model is, a kind of turning shaft structure is provided, and it has simple in structure, and it is good to stagnate effect, and the repetitiousness operation can not produce the advantage of different sound in the time of can not producing lax and operation.

A kind of turning shaft structure of the utility model is characterized in that, comprising:

One movable axis, it is a body of rod, the prominent axle collar of establishing in surface, one side are established an extending portion and are linked for cover body part or main part with article, and side is then extended a jack-post in addition, its level is to establishing a grooving, and it is recessed to establish a ring at surperficial end so that store lubricant grease, establish on the jack-post surface in addition one with spiral rings around oil groove, it is and recessed the communicating of ring, so that lubricant grease is derived;

One stationary axle is a cylindrical shell, and the one side is established an extension part and linked for main part or cover body part with article, and side is then extended a beam barrel in addition, establishes the axis hole of a undersized in jack-post in it;

The mat jack-post embeds axis hole, makes the distortion of grooving slightly compressed, locatees to enter in the axis hole smoothly, and oil groove provides comprehensive lubrication effect in addition, and when jack-post was turned round with respect to axis hole, unlikely generation was dry and astringent and send different sound.

Wherein the section of oil groove is V-shaped.

Wherein the free end ring of jack-post is established a chamfered section, and the opening end of axis hole is then established the annular distance that a size is slightly larger than jack-post, in order to both sockets.

Can form a blocked part after its middle shaft collar process degree cutting, beam barrel one side is then extended one and is ended portion, and it is an axle collar place, and can form interference effect to the blocked part, and is the rotating limit.

Wherein the extending portion of movable axis is to be connected with a support, and is fixedly arranged on the cover body part or the main part of article; Stationary axle is then inserted in the seat hole of an axle bed, and it is that two of mat extension part mills face and is positioned in the hole, and the free-ended coak of this extension part stretches out a hole, and fastens with a cramp, and main part or cover body part that axle bed then is fixedly arranged on article form.

Wherein the periphery in seat hole is established an only portion in addition, and it is the blocked part formation interference effect to movable axis, and is the rotating limit.

Be further to disclose concrete technology contents of the present utility model, at first see also graphic, wherein:

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

Fig. 2 is the upright back of the utility model group sectional drawing;

Fig. 3 is the stereogram that the utility model and related elements link;

Fig. 4 is another embodiment's of the utility model a stereogram.

To shown in Figure 2, basically, rotating shaft of the present utility model is combined by a movable axis 1 and a stationary axle 2 as Fig. 1.

Wherein, movable axis 1 is a body of rod, the prominent axle collar 11 of establishing in surface, the one side establish an extending portion 12 for the cover body part of article, link such as display screens.This axle collar 11 sides in addition extends a jack-post 13, and its level is to opening a grooving 131, and surperficial end is established a ring recessed 132, so that storage lubricant grease, on the surface of jack-post 13, establish in addition one with spiral rings around oil groove 133, it is to communicate with ring recessed 132, so that lubricant grease is derived.This encircles recessed 132 purposes that are provided with and is, except that the friction area of may command jack-post 13 and stationary axle 2 and and then change the friction torque, if when the greases in the oil groove 133 consume because of friction, encircling recessed 132 can be with grease being directed to oil groove 133.Wherein, the section of oil groove 133 is to be the little V-type of outer imperial palace, so that ccontaining more grease.In addition, jack-post 13 front ends are established a chamfered section 134, with the convenient stationary axle 2 that embeds.

And be to make the utility model tool raise the position structure of angle, so the axle collar 11 must can form a blocked part 111 according to requirement of client after excessive cutting, so that be the limit of movable axis 1 when turning round.

Stationary axle 2 is a cylindrical shell, and the one side is established an extension part 21 and linked for the main part with article, links such as main frame.The beam barrel 22 of side is then established the axis hole 221 of a undersized in jack-post 13 in addition.When jack-post 13 was inserted in axis hole 221, meeting slightly compressed grooving 131 placed in the axis hole 221 with the drive fit embedded mode in order to whole jack-post 13, promptly forms the rotating shaft that a tool is stagnated locating effect.Moreover for making things convenient for the embedding of jack-post 13, these axis hole 221 opening ends are established the annular distance 222 that a size is slightly larger than jack-post 13, in order to stretching into of chamfered section 134.

In addition, beam barrel 22 1 sides must be extended one and be ended portion 23, and it is to be positioned at the axle collar 11 places, so that form interference effect when the revolution with blocked part 111, and the limit when being movable axis 1 revolution.

Please consult Fig. 3 again, its schematic representation that to be the rotating shaft that discloses of Fig. 1 link with relevant element, wherein, the extending portion 12 of movable axis 1 and a support 3 be through the riveted binding, and be fixedly arranged on the cover body part of article.Then whole of stationary axle 2 is inserted in the seat hole 41 of an axle bed 4, and the face that mills 211 that is oppositely arranged of nationality extension part 21, stationary axle 2 is fixedly arranged on is motionless state in the hole 41, and extension part 21 free-ended coaks 212 stretch out a hole 41, with a cramp 42 and coak 212 snappings, stationary axle 2 can be fixedly arranged on the main part of article in addition.When raising cover body part, then jack-post 13 forms friction with axis hole 221, and then forms the stagnation locating effect.And when blocked part 111 is touched tube and ended portion 23, then for raising the limit of ending of angle.

Please consult Fig. 4 again, it is another embodiment's of the utility model a schematic representation, and the difference of itself and Fig. 3 is that this beam barrel 22 there is no the setting that tube ends portion 23, but present hole 41 peripheries are established one in addition and ended portion 43.When blocked part 111 is touched this seat and is ended portion 43, also for raising the limit of ending of angle.

In addition, the definition of the title of aforesaid movable axis 1 and stationary axle 2, only for convenience of description, in fact, this movable axis 1 also must be located at the main part of article, and stationary axle 2 then is located at the cover body part of article relatively, looks closely and how to implement.

Via enforcement of the present utility model, the effect that can obtain, such as, jack-post is only opened a grooving, through heat treatment step the time, amount of deformation can be minimized.Moreover, encircling recessed setting and remove the friction area that can adjust with axis hole, and use outside the change friction torque, it still can further store lubricant grease, so that the oil groove that is communicated with it is provided; And this oil groove is in a spiral manner around one week of jack-post, thus lubrication effect can comprehensively be provided, to avoid the generation of different sound.In addition, the annular distance of axis hole opening end can allow the chamfered section of jack-post import smoothly, with the complexity of avoiding assembling.Into person is arranged especially, and portion can be ended with the prominent tube of establishing of beam barrel one in the axle collar formed blocked part after cutting, and perhaps forms interference effect with the default seat of the axle bed portion of ending, so that become the limit that the cover body part of article is raised angle.Because the movable axis of the present utility model stationary axle of two kinds of patterns of can arranging in pairs or groups, thus can significantly save fabricating cost, be for present ware can't reach.

The utility model those disclosed herein are a kind of of preferred embodiment, such as Ju Bu change or modification and come from technological thought of the present utility model and be easy to the person's of knowing by inference song by the people who has the knack of this skill and do not take off patent right category of the present utility model.

Claims

1. a turning shaft structure is characterized in that, comprising:

One movable axis is a body of rod, the prominent axle collar of establishing in surface, the one side is established an extending portion and is linked for cover body part or main part with article, and side is then extended a jack-post in addition, and its level is to establishing a grooving, and it is recessed to establish a ring at surperficial end, establish in addition on the jack-post surface one with spiral rings around oil groove;

One stationary axle is a cylindrical shell, and the one side is established an extension part and linked for main part or cover body part with article, and side is then extended a beam barrel in addition, establishes the axis hole of a undersized in jack-post in it.

2. turning shaft structure according to claim 1 is characterized in that wherein the section of oil groove is V-shaped.

3. turning shaft structure according to claim 1 is characterized in that, wherein the free end ring of jack-post is established a chamfered section, and the opening end of axis hole is then established a size and is slightly larger than the annular distance of jack-post in order to both sockets.

4. turning shaft structure according to claim 1 is characterized in that, can form a blocked part after its middle shaft collar process degree cutting, and beam barrel one side is then extended one and ended portion, and it is an axle collar place.

5. turning shaft structure according to claim 1 is characterized in that, wherein the extending portion of movable axis is to be connected with a support, and is fixedly arranged on the cover body part or the main part of article; Stationary axle is then inserted in the seat hole of an axle bed, and the free-ended coak of this extension part stretches out a hole, and fastens with a cramp, and main part or cover body part that axle bed then is fixedly arranged on article form.

6. turning shaft structure according to claim 5 is characterized in that, wherein the periphery in seat hole is established an only portion in addition.