CN201487038U - Belled rotating shaft structure - Google Patents
Belled rotating shaft structure Download PDFInfo
- Publication number
- CN201487038U CN201487038U CN2009201702877U CN200920170287U CN201487038U CN 201487038 U CN201487038 U CN 201487038U CN 2009201702877 U CN2009201702877 U CN 2009201702877U CN 200920170287 U CN200920170287 U CN 200920170287U CN 201487038 U CN201487038 U CN 201487038U
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- post
- sleeve
- jack
- coupling
- shaft structure
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Abstract
The utility model relates to a belled rotating shaft structure, which consists of a belled piece, a locating piece and a coupling piece, wherein the circumference of the sleeve of the belled piece is transversely provided with a sleeve groove; in addition, the strip-shaped embedded post of the locating piece is embedded and inserted into the sleeve groove of the sleeve, enabling the lank locating surface the width of which is bigger in the embedded post to be abut against the inner wall of the sleeve to be located; whereas a jack post is projected at one side of the coupling piece corresponding to the opening of the sleeve; the jack post is embedded and inserted into the sleeve, and the circumference of the jack post is provided with at least one lank contact surface; when the contact surface of the jack post touches the locating surface in the sleeve, one lateral thrust is formed by the elastic stretch action of the groove arranged on the sleeve or the jack post, enabling the contact surface to move along the locating surface and enabling the contact surface and the locating surface to form the fit locating relation of automatic falling.
Description
Technical field
The utility model is a kind of socket joint type turning shaft structure, refers in particular to the socket joint type turning shaft structure that a kind of tool falls blocking function automatically.
Background technique
The consumption electronic products of tool flip, for example portable computer, e-dictionary and portable type video-audio playing device, mobile phone ... etc., the overall structure of this electronic product is that main part is placed Lower Half, and articulate by the cover body part of the rotating shaft and the first half and to link, make cover body part with respect to main part folding for it.Therefore, rotating shaft is also for determining a big essential factor of the said goods quality.
And traditional radial friction, for example the socket joint type turning shaft structure is to be provided with a sleeve in a Coupling one side, one is coupling then laterally offers a profile groove on the jack-post of part, makes it have the elastic telescopic function, so that be intercalated in the sleeve, can form a rotating shaft.Only this known socket joint type rotating shaft no doubt has the effect of stagnating the location, only but can't provide the function that falls locking automatically.
In view of this, the utility model claimant is based on above-mentioned disappearance, and then develops a kind of socket joint type turning shaft structure that falls blocking function automatically that has, for example shown in the TaiWan, China patent announcement M256670 patent.As shown in Figure 1, be this three-dimensional exploded view of announcing the M256670 patent, this turning shaft structure is made up of a Coupling 10 and a part 20 that is coupling.These Coupling 10 1 sides have a hollow sleeve 101, and its periphery is laterally opened at least one ditch 102, and sleeve 101 inwalls form at least one flat bevel 103; And part 20 corresponding sleeve 101 opening projections one sizes that are coupling are slightly larger than the jack-post 201 of its internal diameter, and this jack-post periphery forms at least one face 202 that mills, and this jack-post 201 is intercalated in the sleeve 101.
See also Fig. 2 a to Fig. 2 b, the face that mills 202 of this jack-post 201 is to the range difference of subtend periphery less than diameter, when making the face of milling 202 touch the flat bevel 103 of sleeve 101 inwalls, this sleeve 101 is in response to this range difference, and inwardly retraction, and form a lateral thrust, making this mill face 202 can move along flat bevel 103, forms the function that falls automatically according to this.
Because the flat bevel 103 of these sleeve 101 inwalls can't be made in the turning mode, therefore, Coupling 10 as shown in Figure 1 is to carry out molding procedure via continuous stamping die, and this measure often makes the aperture of sleeve 101 back segments greater than front openings, and cause outside the tolerance of size, and the molding procedure that this is loaded down with trivial details also makes the manufacture cost of this sleeve to reduce, except that time-consuming consumption worker, and yield is relatively poor, and demands urgently improving.
The model utility content
The purpose of this utility model is to provide a kind of socket joint type turning shaft structure, will have outside the function of rotation and stagnation location via the made turning shaft structure of turning operation, still has the function that falls locking automatically.
For achieving the above object, the socket joint type turning shaft structure that the utility model provides, it comprises:
One Coupling, the one side has a hollow sleeve, laterally offers a ditch on this sleeve circumference, and this sleeve in addition side be provided with a junction;
Positioning piece, it has this embedding post the inner of a strip embedding post and is provided with the bigger straight locating face of a width, and this embedding post intercalation is fixed in the tube ditch of this sleeve, makes this locating face be adjacent to sleeve lining and locatees;
One part that is coupling, the corresponding sleeve openings projection of one side one jack-post, this jack-post circumference is provided with at least one straight surface of contact, this jack-post is radially offered a profile groove that runs through jack-post, this jack-post is intercalated in the sleeve, and this jack-post in addition side be provided with a convergence part;
When the surface of contact of jack-post touches the locating face of sleeve inner, by the elastic telescopic effect of this jack-post,, this surface of contact can be moved along locating face to form a lateral thrust, make both form the positioning relation of automatic applying.
The socket joint type turning shaft structure that the utility model provides also comprises:
One Coupling, the one side has a hollow sleeve, laterally offers a ditch and a profile groove on this sleeve circumference respectively, and this sleeve in addition side be provided with a junction;
Positioning piece, it has a strip embedding post, and this embedding post the inner is provided with the bigger straight locating face of a width, and this embedding post intercalation is fixed in the tube ditch of this sleeve, makes the bigger straight locating face of this embedding post inner width be adjacent to sleeve lining and locatees;
One part that is coupling, the corresponding sleeve openings projection of one side one jack-post, this jack-post circumference is provided with at least one straight surface of contact, this jack-post is intercalated in the sleeve, and this jack-post in addition side be provided with a convergence part;
When the surface of contact of jack-post touches the locating face of sleeve inner, by the elastic telescopic effect of this sleeve,, this surface of contact can be moved along locating face to form a lateral thrust, make both form the positioning relation of automatic applying.
Effect of the present utility model is, jack-post and sleeve are formed an elastomer respectively, and by the elastic dilatation of this jack-post and sleeve or tighten effect, the straight surface of contact of jack-post can be moved along the straight locating face of the locating piece that sleeve was hinged with, and form the function that falls automatically.Moreover, because of the straight locating face of the utility model sleeve lining, be to be plugged in by a T shape locating piece that institute constitutes in the tube ditch of sleeve, this Coupling can be made via the turning mode, to reduce manufacture cost, reduce the tolerance of size of components, and can increase yield.
Description of drawings
Fig. 1 is known socket joint type turning shaft structure three-dimensional exploded view.
Fig. 2 a to Fig. 2 b is that socket joint type turning shaft structure shown in Figure 1 forms the sectional drawing that falls automatically.
Fig. 3 is the three-dimensional exploded view of the utility model socket joint type turning shaft structure.
Fig. 4 is the stereogram of the utility model group after upright.
Fig. 5 a to Fig. 5 d is that the utility model is in and covers, raises and the automatic sectional drawing of full state.
Fig. 6 is the utility model second embodiment's a three-dimensional exploded view.
Fig. 7 is the stereogram after the utility model second embodiment's group is stood.
Fig. 8 a to Fig. 8 d is that the utility model second embodiment is in and covers, raises and the automatic sectional drawing of full state.
Embodiment
For further disclosing concrete technology contents of the present utility model, at first see also accompanying drawing.
As shown in Figures 3 and 4, socket joint type turning shaft structure of the present utility model is by a Coupling 1, positioning piece 2, and the part 3 that is coupling is formed.
Wherein, Coupling 1 one sides have a hollow sleeve 11, and a ditch 12 is laterally offered in its circumference appropriate location, so that chat the intercalation and the location of locating piece 2 after supplying.This Coupling 1 is in sleeve 11 side horizontal expansion a junction 13 in addition, and at least one hole 14 that connects is opened on its surface, and for connection part, for example screw passes through, and the main part that is locked in an electronic product is to form the location.This joint 13 does not exceed with shown in the drawings when implementing, and it also must so that utilize the intercalation mode to be incorporated into the main part of electronic product, also can obtain identical binding locating effect for section is non-circular cylinder.
Locating piece 2 is a T shape body of rod, its embedding post 21 with a strip is intercalated in the tube ditch 12 of sleeve 11, make this embedding post 21 be fixed in a ditch 12 with tube ditch 12 interference fit, the straight locating face 22 that these embedding post 21 inner widths are bigger is adjacent to this sleeve 11 inwalls, make this locating piece 2 form the form that shown in Fig. 5 a, is fixedly arranged on a ditch 12, make of the existence of these sleeve 11 inwalls, and form a flat face, fall the function of locking automatically so that the part 3 that is coupling to be provided after providing because of locating face 22.
Therefore, shown in Fig. 3 and Fig. 5 a, sleeve 11 inwalls of this Coupling 1 provide the flat face that falls automatically, be after being incorporated into a ditch 12 by locating piece 2, make the locating face 22 of these locating piece 2 the inners be adjacent to sleeve 11 inwalls and form, that is this straight locating face 22 is non-is directly molded on sleeve 11, so that this Coupling 1 is can the turning mode made.
The part 3 that is coupling is a body of rod, and the one side shaft is to extending a jack-post 31, and these jack-post 31 peripheries form at least one straight surface of contact 32, shown in Fig. 5 a, relatively are provided with two straight surface of contact 32 on the circumferential surface of this jack-post 31.Wherein, this surface of contact 32 is radially offered a profile groove 33, and jack-post 31 axially offers a post hole 34 that communicates with profile groove 33, makes this jack-post 31 have flexible elasticity.Pleurapophysis are established an axle collar 35 in this jack-post 31, offset with sleeve 11 openings, are intercalated in the degree of depth in the sleeve 11 in order to define jack-post 31.And the axle collar 35 in addition sides extend a convergence part 36, at least one hole 37 that connects is opened on its surface, for connection part, for example screw passes through, and the cover body part that is locked in an electronic product is to form the location.Do not exceed with shown in the drawings when implement this convergence part 36, it also must so that utilize the intercalation mode to be incorporated into the cover body part of electronic product, also can obtain identical binding locating effect for section is non-circular cylinder.Further, 35 of this jack-post 31 and the axle collars are provided with a circular groove 38, and this circular groove 38 can be stored too much grease, with avoid grease attach to electronic component the damage that may cause.
Shown in Fig. 4 and Fig. 5 a, the utility model group at first is plugged in the embedding post 21 of locating piece 2 in the tube ditch 12 of sleeve 11 of Coupling 1 immediately, and the straight locating face 22 that makes these embedding post 21 inboards is in abutting connection with sleeve 11 inwalls, and forms a D font hole.Then, the jack-post 31 of the part 3 that is coupling is intercalated in the sleeve 11, one surface of contact 32 is engaged with this locating face 22, and be subjected to the elasticity packing effect of profile groove 33, moment of torsion is occurred between jack-post 31 and sleeve 11 inwalls, promptly form the rotating shaft that a tool is stagnated locating effect.
Please consult Fig. 5 a again, this jack-post 31 is intercalated in the sleeve 11, and wherein a surface of contact 32 is engaged in the locating face 22 of locating piece 2, and forms the 0 degree form that covers, and the profile groove 33 of this jack-post 31 is subjected to sleeve 11 inwalls and bestows the effect of the power of tightening, and constitutes a socket joint type turning shaft structure according to this.
Shown in Fig. 5 b, be that jack-post 31 counterclockwise rotates to 90 schematic representation when spending, because surface of contact 32 is to the distance in the center of circle radius less than jack-post 31, therefore, when just beginning counterclockwise to rotate, for overcoming this range difference, make the profile groove 33 of jack-post 31 and post hole 34 be subjected to the compression of sleeve 11 and locating face 22 and be out of shape.
Shown in Fig. 5 c, this jack-post 31 is continued to be rotated counterclockwise to about 165 degree, make the ora terminalis of its another surface of contact 32 touch locating face 22, this moment is by the elastic stretch effect of these profile groove 33 below jack-posts 31, and form a lateral thrust, the ora terminalis of this surface of contact 32 is moved gradually along locating face 22, and this surface of contact 32 automatically forms the relation of applying with locating face 22 shown in Fig. 5 d up to forming.At this moment, this part 3 that is coupling is raised to maximum angle with respect to Coupling 1, for example 180 degree.
Otherwise, if jack-post 31 dextrorotations go to about 15 when spending, the then effect of Fig. 5 c as described above, elastic stretch effect by this jack-post 31, make the ora terminalis of the surface of contact 32 of this jack-post 31 move gradually and fall automatically along the locating face 22 in the sleeve 11, this surface of contact 32 automatically forms the relation of applying and locking with locating face 22 shown in Fig. 5 a up to forming.At this moment, this part 3 that is coupling forms with respect to Coupling 1 and covers or locking state.
As shown in Figure 6, be the utility model second embodiment's schematic representation, the difference of itself and previous embodiment is that this jack-post 31 is a solid cylinder, has at least one surface of contact 32 on its circumference, preferablely is oppositely arranged a pair of surface of contact 32 on circumference.
And laterally offer a ditch 12 and a profile groove 15 on sleeve 11 circumference, wherein this ditch 12 and profile groove 15 relative being located at are good on sleeve 11 circumference.
Shown in Fig. 7 and Fig. 8 a, the utility model group immediately, in the tube ditch 12 of the sleeve 11 that is fixed in Coupling 1 of at first the embedding post 21 of locating piece 2 being pegged graft, the straight locating face 22 that makes these embedding post 21 inboards is in abutting connection with sleeve 11 inwalls, and forms a D font hole.Then, the jack-post 31 of the part 3 that is coupling is intercalated in the sleeve 11, one surface of contact 32 is engaged with this locating face 22, and be subjected to the elasticity packing effect of profile groove 15, moment of torsion is occurred between jack-post 31 and sleeve 11 inwalls, promptly form the rotating shaft that a tool is stagnated locating effect.
Please consult Fig. 8 a again, this jack-post 31 is intercalated in the sleeve 11, and wherein a surface of contact 32 is engaged in the locating face 22 of locating piece 2, and forms the 0 degree form that covers, and this jack-post 31 is subjected to the elasticity of the profile groove 15 of sleeve 11 and tightens effect, and constitutes a socket joint type turning shaft structure according to this.
Shown in Fig. 8 b, be that jack-post 31 counterclockwise rotates to 90 schematic representation when spending, because surface of contact 32 is to the distance in the center of circle radius less than jack-post 31, therefore, when just beginning counterclockwise to rotate, for overcoming this range difference, make this sleeve 11 be radial dilatation, and form the friction moment of torsion in jack-post 31 and sleeve 11 inwalls.
Shown in Fig. 8 c, this jack-post 31 is continued to be rotated counterclockwise to about 165 degree, make the ora terminalis of its another surface of contact 32 touch locating face 22, reduce event by sleeve 11 left side arched arms because of distance this moment, and inwardly retraction, and form a lateral thrust, and the ora terminalis of this surface of contact 32 is moved gradually along locating face 22, this surface of contact 32 automatically forms the 180 applying relations of spending with locating face 22 shown in Fig. 8 d up to forming.Certainly, ditto described, when jack-post 31 dextrorotations go to about 15 when spending, the surface of contact 32 of this jack-post 31 can be automatically forms the relation of applying with the locating face 22 of sleeve 11 inwalls.At this moment, this part 3 that is coupling forms with respect to Coupling 1 and covers or locking state.
The utility model is described, and just preferred embodiment is a kind of, and claim category of the present utility model is not all taken off in Ju Bu change or modification and come from technological thought of the present utility model and be what those skilled in the art were easy to know by inference such as.
Claims (10)
1. a socket joint type turning shaft structure is characterized in that, comprising:
One Coupling, the one side has a hollow sleeve, laterally offers a ditch on this sleeve circumference, and this sleeve in addition side be provided with a junction;
Positioning piece, it has a strip embedding post, and this embedding post the inner is provided with the bigger straight locating face of a width, and this embedding post intercalation is fixed in the tube ditch of this sleeve, makes this locating face be adjacent to sleeve lining and locatees;
One part that is coupling, the corresponding sleeve openings projection of one side one jack-post, this jack-post circumference is provided with at least one straight surface of contact, this jack-post is radially offered a profile groove that runs through jack-post, this jack-post is intercalated in the sleeve, and this jack-post in addition side be provided with a convergence part;
When the surface of contact of jack-post touches the locating face of sleeve inner, by the elastic telescopic effect of this jack-post,, this surface of contact can be moved along locating face to form a lateral thrust, make both form the positioning relation of automatic applying.
2. socket joint type turning shaft structure as claimed in claim 1 is characterized in that, wherein this jack-post is axially offered a post hole that communicates with profile groove.
3. socket joint type turning shaft structure as claimed in claim 1 is characterized in that, wherein the surface of the convergence part of the joint of this Coupling and the part that is coupling respectively has at least one hole that connects.
4. socket joint type turning shaft structure as claimed in claim 1 is characterized in that, wherein the section of the convergence part of the joint of this Coupling and the part that is coupling is non-circular cylinder.
5. socket joint type turning shaft structure as claimed in claim 1 is characterized in that, wherein comprises an axle collar between this jack-post and convergence part, and the handing-over position of this axle collar and jack-post is provided with a circular groove.
6. a socket joint type turning shaft structure is characterized in that, comprising:
One Coupling, the one side has a hollow sleeve, laterally offers a ditch and a profile groove on this sleeve circumference respectively, and this sleeve in addition side be provided with a junction;
Positioning piece, it has a strip embedding post, and this embedding post the inner is provided with the bigger straight locating face of a width, and this embedding post intercalation is fixed in the tube ditch of this sleeve, makes this locating face be adjacent to sleeve lining and locatees;
One part that is coupling, the corresponding sleeve openings projection of one side one jack-post, this jack-post circumference is provided with at least one straight surface of contact, this jack-post is intercalated in the sleeve, and this jack-post in addition side be provided with a convergence part;
When the surface of contact of jack-post touches the locating face of sleeve inner, by the elastic telescopic effect of this sleeve,, this surface of contact can be moved along locating face to form a lateral thrust, make both form the positioning relation of automatic applying.
7. socket joint type turning shaft structure as claimed in claim 6 is characterized in that, wherein tube ditch on this sleeve circumference and profile groove system are oppositely arranged.
8. socket joint type turning shaft structure as claimed in claim 6 is characterized in that, wherein the surface of the convergence part of the joint of this Coupling and the part that is coupling respectively has at least one hole that connects.
9. socket joint type turning shaft structure as claimed in claim 6 is characterized in that, wherein the section of the convergence part of the joint of this Coupling and the part that is coupling is non-circular cylinder.
10. socket joint type turning shaft structure as claimed in claim 6 is characterized in that, wherein comprises an axle collar between this jack-post and convergence part, and the handing-over position of this axle collar and jack-post is provided with a circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201702877U CN201487038U (en) | 2009-09-07 | 2009-09-07 | Belled rotating shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201702877U CN201487038U (en) | 2009-09-07 | 2009-09-07 | Belled rotating shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201487038U true CN201487038U (en) | 2010-05-26 |
Family
ID=42425916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201702877U Expired - Lifetime CN201487038U (en) | 2009-09-07 | 2009-09-07 | Belled rotating shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201487038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106314654A (en) * | 2016-06-30 | 2017-01-11 | 杭州云造科技有限公司 | Folding device and folding bicycle |
-
2009
- 2009-09-07 CN CN2009201702877U patent/CN201487038U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106314654A (en) * | 2016-06-30 | 2017-01-11 | 杭州云造科技有限公司 | Folding device and folding bicycle |
| CN106314654B (en) * | 2016-06-30 | 2023-12-08 | 祐樘(南京)软件科技有限公司 | Folder and folding vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100526 |
|
| CX01 | Expiry of patent term |