CN2888161Y

CN2888161Y - Socket shaft

Info

Publication number: CN2888161Y
Application number: CN 200620003730
Authority: CN
Inventors: 庄惟捷
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-02-28
Filing date: 2006-02-28
Publication date: 2007-04-11
Anticipated expiration: 2016-02-28

Abstract

The utility model relates to a cup joint formula pivot, it includes: one end of the movable piece is provided with a connecting part, and the other end of the movable piece axially extends to form a shaft column; a fixing piece, one end of which is provided with a connecting part, and the shaft cylinder at the other end is axially provided with a shaft hole; two oppositely arranged bow-shaped elastic sheets are formed by punching a metal sheet body, bent parts at two ends of a contact surface respectively extend obliquely to form a contact surface, the end edges of the two bow-shaped elastic sheets are oppositely abutted and are sleeved in the shaft hole together for positioning; so that the shaft column is inserted into the polygonal annular space surrounded by the two arched elastic sheets, the bent parts of the two arched elastic sheets are radially expanded and tightly pressed against the inner wall of the shaft hole, and the deformation during combination is absorbed, so that the friction torque is generated between each contact surface and the shaft column.

Description

The socket joint type rotating shaft

Technical field

The utility model is a kind of rotating shaft, refers to a kind of socket joint type rotating shaft especially, and it is that shell fragment with pair of opposing is inserted in the fixed block, and movable part further is provided and firmly is incorporated between two shell fragments, to obtain desired radial friction effect.

Background technique

Consumption electronic products by general tool flip, such as portable computer, mobile phone, e-dictionary and portable video-audio playing device ... Deng, on the whole be that main part is placed Lower Half, and link by the cover body part of the rotating shaft and the first half, make cover body part with respect to main part, for it folding.Therefore, rotating shaft is also for determining a big essential factor of the said goods quality.

By and large, traditional socket joint type rotating shaft is a stagnation locating effect of obtaining expection, its precision requirement is very high, mainly on a female connector, form an axis hole, and the jack-post level of male connector runs through grooving to offering one, to provide this jack-post suitable elasticity,, friction torque is formed between jack-post and the axis hole so that embed axis hole.And preceding existence of taking off jack-post because of grooving so that the friction position of this jack-post in axis hole be between the grooving two ends vertically to, when repeatable operation, this two friction parts bit loss consumption is exceedingly fast, and then causes relaxing.

Based on the shortcoming of preceding taking off the socket joint type rotating shaft, " structure-improved of computer rotating shaft (two) " as No. the 313274th, Taiwan patent announcement are located at the flexible relay ring of a tool between male connector and the female connector, make friction torque betide the surface of contact of male connector and relay ring, and this relay ring is respectively with the styletable of male connector outer end, and the loop order effect in the axis hole of female connector, so that the unlikely separation of male and female link.Only the relay ring of this case is the many foldings shape elastic ring body for the one back bending, what it no doubt can be via the continuous stamping die moulding, only each flanging angle is wayward in stamping process, and cause defective products, except that the complexity that increases production process, also significantly increase manufacture cost, and improved space is arranged.

The model utility content

In view of this, the utility model claimant 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 and test repeatedly, and then develops and " socket joint type rotating shaft " of the present utility model.

The utility model main purpose is to provide a kind of socket joint type rotating shaft, and it is simple that it has a production process, also can significantly reduce manufacture cost.

A kind of socket joint type rotating shaft of the utility model is characterized in that it comprises:

One movable part, the one end has a convergence part, and end extends axially a jack-post in addition;

One fixed block, the one end has a junction, and the beam barrel of end is axially opened an axis hole in addition;

Two are provided with bow-shaped shrapnel relatively, be with the metal lamellar body through the type of being stamped to form, oblique separately extension one surface of contact of its bending part in surface of contact two ends supports this two bow-shaped shrapnels ora terminalis relatively mutually, and together is inserted in location in the axis hole;

Be intercalated in by jack-post in the polygon annulus of this two group that bow-shaped shrapnel encloses, each bending part that makes two bow-shaped shrapnels is because of radial dilatation and push against shaft hole inner wall, and the amount of deformation when absorbing combination, makes friction torque betide each surface of contact and jack-post forms.

Wherein the joint of the convergence part of this movable part or fixed block has at least one convergence hole or attachment hole.

Wherein the joint of the convergence part of this movable part or fixed block is to be single, double face or the polygon cylinder of milling.

Wherein the bending part angle of these adjacent two surface of contact is 60 degree.

Wherein a lateral margin of this bow-shaped shrapnel is opened one and is indicated groove.

Wherein two ora terminalis of this bow-shaped shrapnel are to be bevelled edge.

Wherein two ora terminalis of this bow-shaped shrapnel are to be flat chamfered edge.

The beneficial effects of the utility model are: it is simple that it has a production process, also can significantly reduce manufacture cost.

Description of drawings

Be further to disclose concrete technology contents of the present utility model, the detailed description that below sees also drawings and Examples as after, wherein:

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

Fig. 2 is the sectional drawing of the utility model group after upright,

The sectional drawing that Fig. 3 is intercepted along line A-A for Fig. 2,

Fig. 4 is the top view and the side view of the utility model shell fragment,

Fig. 5 is another embodiment's of the utility model shell fragment top view and a side view.

Embodiment

As shown in Figures 1 to 4, basically, rotating shaft of the present utility model is by a movable part 1, one fixed block 2 reaches a pair of bow-shaped shrapnel 3 and combines, wherein, be somebody's turn to do the operating state of " activity " and " fixing " and unrestricted above-mentioned two assemblies, when implementing, this movable part 1 also can be maintained fixed state, but produces spinning movement by fixed block 2.

Wherein, movable part 1 is to be a body of rod, and the convergence part 11 of one end is to be incorporated into article, and such as cover body part, this convergence part 11 has at least one convergence hole 111 as shown in the figure, to utilize known coupling unit, after for example screw passes through, and is locked in article.In addition, this convergence part 11 also must be for tool mills the face cylinder, and only not as limit, its enforcement can be single, double face cylinder, triangular prism, the tetragonal prism of milling ... etc. the polygon cylinder, but so that intercalation and being positioned on the article.

These 11 inboards, convergence part are provided with an axle collar 12, its be during with fixed block 2 sockets as the usefulness of contact, and this axle collar 12 axially extends a jack-post 13 in addition, only this is a known technology all, does not intend giving unnecessary details at this.

Fixed block 2 also is a body of rod, and the joint 21 of one end is to be incorporated into another article, and such as main part, this joint 21 has at least one attachment hole 211 as shown in the figure, to utilize known coupling unit, after for example screw passes through, and is locked in article.In addition, this joint 21 also must be for tool mills the face cylinder, and only not as limit, its enforcement can be single, double face cylinder, triangular prism, the tetragonal prism of milling ... etc. the polygon cylinder, but so that intercalation and being positioned on another article.

This fixed block 2 beam barrel 22 of side is in addition axially opened an axis hole 221, and only this also is a known technology, does not intend giving unnecessary details at this.

As shown in Figure 4, bow-shaped shrapnel 3 is to be trapezoidal lamellar body with the metal lamellar body through punching press, and it is at oblique separately extension one surface of contact 31 of the bending part 32 at a surface of contact 31 two ends, that is bending part 32 angles of adjacent two surface of contact are 60 degree.Group immediately, then two bow-shaped shrapnels, 3 ora terminalis are supported relatively mutually, together be inserted in the axis hole 221 immediately, then jack-post 13 being intercalated in this two bow-shaped shrapnel 3 in the drive fit mode is enclosed in the hexagon annulus of group, make two bow-shaped shrapnels, 3 each knuckle portion 32 because of radial dilatation and push against axis hole 221 inwalls, and formation stationary state as shown in Figure 3, and then become the rotating shaft that a kind of tool is stagnated locating effect.In addition, the directivity when assembling for increasing bow-shaped shrapnel 3, the one lateral margin can be opened one and indicate groove 311, such as V-shaped groove.Directivity when this measure helps assembling makes that bow-shaped shrapnel 3 finished products of equidirectional and knuckle together are assembled in the axis hole 221 after the punching press.

When movable part 1, fixed block 2 and two bow-shaped shrapnels 3 according to before take off the mode group upright after, promptly form socket state as shown in Figures 2 and 3.When movable part 1 rotates with respect to fixed block 2, these axis hole 221 inwalls are each bending part 32 generation radial pressures to two bow-shaped shrapnels 3, and this ring bodies absorbs the amount of deformation when making up, and is to betide really between each surface of contact 31 and the jack-post 13 with the friction torque of guaranteeing the rotating shaft post.

As shown in Figure 5, be another embodiment's schematic representation of the utility model bow-shaped shrapnel 3, it is that with the difference of before taking off embodiment two ora terminalis (that is bending part) of this bow-shaped shrapnel 3 are to be flat chamfered edge 313, but not first embodiment's bevelled edge 312 also can obtain identical stagnation locating effect.

So via enforcement of the present utility model, its effect of obtaining is, this movable part, fixed block and two bow-shaped shrapnels that are provided with relatively can provide the function of due radial friction after socket and group are upright.Into person is arranged especially, this two bow-shaped shrapnel can enclose forms a polygon annulus, its can be via single stamping die rapid shaping, can guarantee the angle stability of each bending part, and can effectively reduce manufacture cost and improve yield, and these advantages really can't the person of reaching for the collar institute of many foldings shape elastic ring body of one back bending, really is a big good structure of ware.

That the utility model disclosed is a kind of of preferred embodiment, the change of every part or modification and come from technological thought of the present utility model and be have the knack of this technology the people was easy to know by inference, all do not take off patent right category of the present utility model.

Claims

1. A socketed rotating shaft, characterized in that it comprises:

A movable part, one end of which has a connecting portion, and the other end axially extends a shaft;

A fixing piece, one end of which has a connecting portion, and the shaft cylinder at the other end has an axial hole;

The two bow-shaped shrapnels are oppositely arranged, which are formed by punching a metal sheet body, and the bending parts at both ends of a contact surface extend obliquely to a contact surface, and the end edges of the two bow-shaped shrapnels are opposed to each other, and they are inserted into the shaft together. positioning in the hole;

The shaft column is embedded in the polygonal annular space surrounded by the two bow-shaped shrapnel, so that the bending parts of the two bow-shaped shrapnel radially expand and press against the inner wall of the shaft hole, and absorb the deformation during combination, so that Frictional torque occurs between each contact surface and the shaft.

2. The sleeve-type rotating shaft as claimed in claim 1, wherein the engaging portion of the movable element or the connecting portion of the fixed element has at least one engaging hole or connecting hole.

3. The sleeve-type rotating shaft according to claim 1, wherein the connecting portion of the movable element or the connecting portion of the fixed element is a single, double milled or polygonal cylinder.

4. The sleeve-type rotating shaft as claimed in claim 1, wherein the angle between the bending portions of the two adjacent contact surfaces is 60 degrees.

5 . The sleeve-type rotating shaft as claimed in claim 1 , wherein a marking groove is formed on one side edge of the bow-shaped elastic piece. 6 .

6 . The sleeve-type rotating shaft as claimed in claim 1 , wherein the two ends of the bow-shaped elastic piece are chamfered edges. 7 .

7. The sleeve-type rotating shaft as claimed in claim 1, wherein the two ends of the bow-shaped elastic piece are flat-cut edges.