Turning shaft structure
Technical field
The utility model relates to a kind of turning shaft structure, refers to that especially a kind of tool prevents the radial friction turning shaft structure of deviating from.
Background technique
The consumption electronic products of tool flip, such as portable computer, e-dictionary and portable type video-audio playing device ... Deng, substantially, be that main part is placed Lower Half, and the cover body part by the rotating shaft and the first half links, and makes the cover body part can folding with respect to main part.Therefore, rotating shaft is also for determining a big key factor of the said goods quality.In fact, good rotating shaft except that necessary stagnation effect, need make its not reason repeatable operation, and produces lax.Simultaneously for the elimination of noise, and the restriction etc. of angle during folding, also for the rotating shaft designing institute must consideration key element.
By and large, the friction 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 as the 5th, 190, No. 391 patent cases of the U.S. (corresponding to the novel No. 72784 patent case in Taiwan), but the mode that this axial rub is not the utility model to be adopted, so do not intend giving unnecessary details.Another kind then is a socket joint type, that is 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 to go up at female connector (female connecting member) to form an axis hole, and the jack-post central horizontal direction of male connector (male connectingmember) is opened 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 phenomenon after using a period of time.In addition, the operation of a cross-sectional grooving on jack-post, normal undersized because of jack-post, and increase the degree of difficulty of producing, really be a fly in the ointment.
The model utility content
Main purpose of the present utility model is to provide a kind of turning shaft structure, it has the function that prevents that movable part and fixed block from throwing off, and helps the intercalation socket of its jack-post and sleeve, and this sleeve is opened a groove, make its elasticity, just form and stagnate locating effect with jack-post with expansion.
Secondary objective of the present utility model is to provide a kind of turning shaft structure, dry and astringent in the time of can avoiding rotating and making a noise.
For realizing above-mentioned purpose, a kind of turning shaft structure that the utility model provides comprises:
One movable part, the one end is provided with a junction, and for linking with article, end then extends a jack-post in addition, and this jack-post radially is arranged with a post groove, and is separated out the axle friction part of both sides;
One fixed block, it is provided with a convergence part, for linking with another article, this convergence part is in abutting connection with a sleeve, it is the hollow cylinder of undersized in jack-post, and corresponding post groove stretches out an arc cramp, and buckles into the post groove, and the tube friction part that is separated out both sides by this cramp supplies axle friction part intercalation and socket, and its periphery is respectively opened a groove;
Rotate by movable part is relative with fixed block, stagnate the location, make article be folding condition and form with respect to another article and produce.
Described turning shaft structure, wherein this joint is a footstalk, opens at least one delthyrium on it.
Described turning shaft structure, wherein to be that in-line becomes L shaped for this footstalk.
Described turning shaft structure, wherein this joint or convergence part have at least one face that mills.
Described turning shaft structure, wherein this convergence part is axially or radially to extend a sheet with respect to sleeve, opens at least one film perforation on it.
Described turning shaft structure, wherein each friction part surface is provided with oil groove.
Described turning shaft structure, wherein this oil groove is spirality or annular.
Described turning shaft structure, wherein the tube channel opening direction of each friction part is identical.
Described turning shaft structure, wherein the tube channel opening direction of each friction part is different.
Described turning shaft structure, wherein this cramp is located at a friction part, and the tube channel opening direction of this friction part is different with the tube channel opening direction of two friction parts that adjoin portion.
Described turning shaft structure wherein has a stop device between this movable part and fixed block, it is to extend one section arc retaining in the sleeve outer rim, and the relative position of jack-post projection one axle bumper radially, the front and back ends that touches the arc retaining is with the limit of ending as folding.
Described turning shaft structure, it is characterized in that, wherein has a stop device between this movable part and fixed block, its be a jack-post outer end socket one can with the blade of its interlock, relative projection one catch of this blade, and the convergence part lateral margin projection one retaining tenon that sleeve radially extends touches arbitrary catch with the limit of ending as folding.
Described turning shaft structure, wherein this jack-post is provided with an at least one axial plane and a catching groove, and the positioning hole of blade and this axial plane equal section are buckled in catching groove with a clasp again and form.
So via each embodiment's of the utility model enforcement, it is the cramp institute snapping of sleeve by the post groove by jack-post, and the situation that unlikely generation is axially thrown off.In addition, got identically or different by the tube channel opening direction of cramp separated tube friction part, the axle friction part that makes jack-post is in just, during counter-rotating, can obtain the function of positive and negative torsion difference.Moreover the oil groove of various kenels can be opened in the jack-post surface, with the increase lubrication effect, and can abate the noise.Into person is arranged especially, be provided with a stop device between movable part of the present utility model and fixed block, define two article, the folding angle of main part and cover body part for example, and increase practicability of the present utility model.
Description of drawings
Fig. 1 (A) is the utility model first embodiment's a three-dimensional exploded view;
Fig. 1 (B) is the stereogram after the utility model first embodiment's group is stood;
Fig. 2 (A) and Fig. 2 (B) are the utility model second embodiment's three-dimensional exploded view and the group stereogram after upright;
Fig. 3 (A) and Fig. 3 (B) are the utility model the 3rd embodiment's three-dimensional exploded view and the group stereogram after upright;
Fig. 4 (A) and Fig. 4 (B) are the utility model the 4th embodiment's three-dimensional exploded view and the group stereogram after upright;
Fig. 5 (A) and Fig. 5 (B) are the utility model the 5th embodiment's three-dimensional exploded view and the group stereogram after upright.
Embodiment
For further disclosing concrete technology contents of the present utility model, at first see also accompanying drawing.
To shown in Fig. 1 (B), basically, turning shaft structure of the present utility model is made up of a movable part 1 and a fixed block 2 as Fig. 1 (A).Wherein said " activity " and " fixing ", and the operating state of unrestricted above-mentioned two elements, when implementing, this movable part 1 also can be maintained fixed state, and produces spinning movement by fixed block 2.
Movable part 1 one ends are provided with a junction 11, during enforcement, and must be by by screwing togather or the socket mode is connected in article, such as cover body part.Shown in Fig. 1 (A) and Fig. 2 (A), this joint 11 is the footstalk 111 of at least one delthyrium 112 of tool, and shown in Fig. 3 (A) and Fig. 5 (A), this footstalk 111 is the L type, shown in Fig. 4 (A), this footstalk 111 is not opened delthyrium, but is provided with at least one face 113 that mills in its surface, be convenient to optionally with screw togather, riveted or socket mode combine with article.Joint 11 side in addition then extends axially a jack-post 12, and its rough stage casing radially is arranged with a post groove 121, is separated out the axle friction part 122 of left and right sides, when this each friction part 122 is implemented, and the surperficial oil groove 123 that must open sagged shape.Shown in Fig. 1 (A), Fig. 3 (A), Fig. 4 (A), this oil groove 123 twist; Perhaps shown in Fig. 5 (A), this oil groove 123 ringwise.
Fixed block 2 one ends are provided with a convergence part 21, during enforcement, also must by by screw togather, riveted or socket mode be connected in another article, for example main part.Shown in Fig. 1 (A), this convergence part 21 is to be extended axially by sleeve 22 to form for the axle sheet 211 of at least one film perforation 212 of tool.And as Fig. 2 (A) to shown in Fig. 5 (A), this convergence part 21 forms for the axle sheet 211 of at least one film perforation 212 of tool is radially extended by sleeve 22.And sleeve 22 is the hollow cylinder of a undersized in jack-post 12, an arc cramp 221 is extended in its corresponding post groove 121 positions, so that jack-post 12 is intercalated in the sleeve 22, this arc cramp 221 buckles in the post groove 121, make that movable part 1 is unlikely axially to be deviate from by fixed block 2, and this cramp 221 also separates into sleeve 22 the tube friction part 222 of left and right sides, and its periphery is respectively opened a groove 223, the elasticity that makes sleeve 22 have expansion and compress.As shown in the figure, the advantage of movable part 2 of the present utility model is that it can utilize metallic plate punching and bending forming, to avoid complicated turning and plane, operation such as to mill.
For defining the folding angle of the utility model rotating shaft, the appropriate location of movable part 1 and fixed block 2 is provided with a stop device, shown in Fig. 1 (A) and Fig. 1 (B), it is axially dashed forward in sleeve 22 outer rims and establishes one section arc edge 224, the relative position of jack-post 12 is then radially dashed forward and is established one section axle bumper 124, so that touch arc retaining 224, be the limit of ending of folding angle by axle bumper 124.
See also Fig. 2 (A) and Fig. 2 (B), itself and first embodiment's difference is that this convergence part 21 is tangentially extended by sleeve 22.In addition, this stop device is that the free end at jack-post 12 forms an axial plane 125 at least, and open a catching groove 126, so that pass outside the sleeve 22 and positioning hole 231 sockets of a blade 23, multiple with a clasp 24 and these catching groove 126 snappings, blade 23 can be rotated synchronously with jack-post 12, and its periphery projection two in opposite directions catch 232 touch the retaining tenon of dashing forward and establish in convergence part 21 213, be the limit of ending of folding angle.
See also Fig. 3 (A) and Fig. 3 (B), itself and first embodiment's difference is that this street meets portion 21 is tangentially extended by sleeve 22, and joint 11 then is the L type.Its stop device then is equal to first embodiment, does not intend giving unnecessary details at this.
See also Fig. 4 (A) and Fig. 4 (B), itself and first embodiment's difference is that this convergence part 21 is tangentially to be extended by sleeve 22, and joint 11 then has at least one face 113 that mills, so that be incorporated into article in the socket mode.And the characteristic of present embodiment is, tube groove 223 opening directions of these two friction parts 222 are different.Therefore, when jack-post 12 in sleeve 22 just, during counter-rotating, all have suitable friction torque.And its stop device also is equal to first embodiment, does not intend giving unnecessary details at this.
See also Fig. 5 (A) and Fig. 5 (B), itself and first embodiment's difference is that this convergence part 21 is tangentially to be extended by sleeve 22, and joint 11 then is the L type.And the characteristic of present embodiment is that this cramp 221 is to be located on the friction part 222, and the tube groove 223 of its groove 223 opening directions and other two friction parts 222 is different, can make jack-post 12 unlikely generation deflection when rotation, and have the function that prevents from axially to deviate from.And its stop device also is equal to first embodiment, does not intend giving unnecessary details at this.
The utility model discloses, and is 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 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.