CN201866076U - Cladding-type rotating shaft structure - Google Patents
Cladding-type rotating shaft structure Download PDFInfo
- Publication number
- CN201866076U CN201866076U CN2010205750586U CN201020575058U CN201866076U CN 201866076 U CN201866076 U CN 201866076U CN 2010205750586 U CN2010205750586 U CN 2010205750586U CN 201020575058 U CN201020575058 U CN 201020575058U CN 201866076 U CN201866076 U CN 201866076U
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- post
- jack
- sleeve
- shaft structure
- rotary shaft
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Abstract
The utility model provides a cladding-type rotating shaft structure. The cladding-type rotating shaft structure comprises a shaft column, a shaft sleeve and locating elements, wherein a connecting part is arranged at one end of the shaft column, and the other end of the shaft column extends to a function surface equipped with fixing pin positions in the radial direction; a joining part is arranged on the shaft sleeve and adjacently connected with a sleeve pipe, groove positions with varied sections are formed on the sleeve pipe, and the function surface of the shaft column is in interference fit with a cladding surface of the sleeve pipe of the shaft sleeve; and the locating elements are locked on the fixing pin positions of the shaft column in a matched manner, and matching surfaces of the locating elements are matched with function surfaces of the groove positions with varied sections on the sleeve pipe after the locating elements and the fixing pin positions of the shaft column are locked on the sleeve pipe in a matched manner. In the cladding-type rotating shaft structure, in virtue of the fit variations between the locating elements and the groove positions of the shaft sleeve when the rotating shaft rotates by different angles, a torsion force consistent with the variation trend of another torsion force necessary for the rotating angle of the shaft column is additionally provided, accordingly, the torsion force of the part in a constant state is lessened, thereby lessening the interference between the shaft column and the shaft sleeve, reducing the abrasion, and prolonging the integral service life of the rotating shaft.
Description
Technical field
The utility model relates to the rotating shaft technical field, relates in particular to a kind of cladding type rotary shaft structure.
Background technique
Consumption electronic products with the function of renovating, such as hinge-lid type PDA Personal Digital Assistant (Personal Digital Assistant, abbreviation PDA), net book, notebook computer all need to realize by rotating shaft the upset of the first half and Lower Half, especially notebook computer is along with the variation and the advantage such as portable of function, its using scope is increasingly extensive, and rotating shaft is a key factor of decision product quality as wherein crucial functional parts.In fact, good rotating shaft product not only can provide the output of stable moment of torsion, guarantees the phenomenon that can not occur relaxing in its lifetime, also should consider the elimination of noise, the factors such as angle limits of cooperating structure in the design of rotating shaft simultaneously.
Rotating shaft product in the market comprises several types by and large, and wherein the rotating shaft of clad type mainly is to rely on the interference between jack-post and the axis hole to produce torsion.As notification number is in the model utility of CN2610152Y, discloses a kind of turning shaft structure, comprises a movable part, the one end is provided with a junction, and for linking with article, the other end then extends a jack-post, this jack-post radially is arranged with a post groove, and is separated out the axle friction part of both sides; A fixed block, be provided with a convergence part, for linking with another article, this convergence part is in abutting connection with a sleeve, its undersized is in the hollow cylinder of 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.The main feature of this turning shaft structure has the function that prevents that movable part and fixed block from throwing off, and helps jack-post and sleeve socket, and this sleeve opens a groove, makes its elasticity with expansion, just forms the stagnation locating effect with jack-post.This kind rotating shaft in use because movable part and fixed block rotate for a long time, can only provide a kind of moment of torsion of fixed numbers in rotating process, and owing between jack-post and the axis hole abrasion are arranged, thereby produce the not enough phenomenon of moment of torsion.
Summary of the invention
The utility model rotates for a long time at movable part in the prior art and fixed block, a kind of moment of torsion of fixed numbers can only be provided in rotating process, and owing between jack-post and the axis hole abrasion are arranged, thereby produce the not enough technical problem of moment of torsion, a kind of novel cladding type rotary shaft structure is provided, can realize the torque value that changes, and in the process of rotating shaft rotation, reduce the wearing and tearing between axle sleeve and the jack-post, reduce the torque value decay, improve the whole service life of rotating shaft.
Problem of the present utility model solves by the following technical programs:
A kind of cladding type rotary shaft structure comprises:
Jack-post, an end of this jack-post is provided with joint, and the other end extends a function face, radially is provided with the fixing pin position on the described function face;
Axle sleeve, this axle sleeve is provided with the convergence part, and this convergence part is in abutting connection with a sleeve, the groove position that has changes of section on the sleeve, the function face of jack-post and the coating face interference fit of axle sleeve sleeve;
Locating piece, this locating piece lock is assigned on the fixing pin position of jack-post, and after the fixing pin position of locating piece and jack-post lock was fitted on the sleeve, the function face that the fitting surface of locating piece and sleeve upper section change the groove position cooperated.
Further, the joint of described jack-post is a footstalk, has opened at least one delthyrium on it.
Further, described footstalk is an in-line.
Further, the end that described function face is opposite with joint, the jack-post with the assembling of jack-post and axle sleeve assembles angle of deflection.
Further, radially be concaved with oil groove on the described function face.
Further, radially extend with respect to sleeve the convergence part of described axle sleeve, has opened positioning hole and pilot hole on it.
Further, described groove position has the cross section of three sections distortion, and the function face of locating piece and three sections deformed sections forms interference, gap and interference fit successively.
Further, described locating piece is positioning screwn or locating stud.
Further, described locating piece is a positioning screwn, comprises upper end portion and underpart, and the top surface of described positioning screwn has locating slot, and the upper end portion is the function face of positioning screwn, and the underpart has the structure of firm positioning screwn.
Further, the joint of described jack-post and the screen of notebook assembling one, the convergence part of described axle sleeve and the pedestal of notebook assembling one.
The cladding type rotary shaft structure that the utility model provides, by the whole required torque value that provides of rotating shaft is provided, the torque value of constant state part can corresponding reducing.The variation of matching relationship between locating piece and the axle sleeve groove position during specifically by the rotating shaft rotation angle, provide one and the corresponding to torque value of the required torque value variation tendency of jack-post rotation angle and add, thereby reduce the amount of interference between jack-post and the axle sleeve, reduce wear, strengthen the whole service life of rotating shaft.Turning shaft structure of the present utility model is than other cladding type rotary shaft, have simple in structure, assembling easily, the functor wearing and tearing are little, key components and parts has only jack-post, axle sleeve, three parts of locating piece, and the advantage of compensate function is arranged.
Description of drawings
Fig. 1 is the cladding type rotary shaft structure schematic representation that the utility model provides.
Fig. 2 is the turning shaft structure decomposing schematic representation that the utility model provides.
Fig. 3 is the rotating shaft jack-post structural representation that the utility model provides.
Fig. 4 is the rotating shaft axle sleeve structure schematic representation that the utility model provides.
Fig. 5 is the rotating shaft positioning screwn structural representation that the utility model provides.
Fig. 6 is rotating shaft complete section first schematic representation that the utility model provides.
Fig. 7 is rotating shaft complete section second schematic representation that the utility model provides.
Fig. 8 is the closed schematic representation of rotating shaft that the utility model provides.
Fig. 9 is that schematic representation is opened in the rotating shaft that the utility model provides.
Figure 10 is the rotating shaft standard-sized sheet schematic representation that the utility model provides.
Figure 11 is that the rotating shaft axle sleeve variation groove position that the utility model provides cooperates schematic representation with positioning screwn function face.
Embodiment
Clearer for technical problem, technological scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Please refer to shown in the accompanying drawing 1-7, a kind of cladding type rotary shaft structure comprises:
Jack-post 2, an end of this jack-post is provided with joint 206, and the other end extends a function face 203, radially is provided with fixing pin position 204 on the described function face;
Locating piece, this locating piece lock is assigned on the fixing pin position 204 of jack-post, and after the fixing pin position of locating piece and jack-post 204 locks were fitted on the sleeve, the function face that the fitting surface 302 of locating piece and sleeve upper section change groove position 105 cooperated.
When described cladding type rotary shaft structure is applied to when connecting in the electronic product (such as notebook computer), the joint 206 of described jack-post 2 assembles one with the screen (loam cake) of notebook, and one is assembled with the pedestal (lower cover) of notebook in the convergence part 106 of described axle sleeve 1.During assembling, can be connected with the loam cake of notebook by the pilot hole 205 by jack-post 2, the pilot hole 101 by axle sleeve 1 is connected with the lower cover of notebook with positioning hole 102, can adopt during connection to be spirally connected or the mode of socket.
The joint 206 of described jack-post 2 is a footstalk, has opened at least one pilot hole 205 on the described footstalk, and the loam cake by footstalk and notebook assembles.Further, described footstalk is an in-line, is convenient to the assembling of loam cake; Certainly, those skilled in the art according to the actual needs and use can also be arranged to other shape, such as L shaped or the like.
For the ease of the assembling of jack-post and axle sleeve, the end that the function face 203 of described jack-post 2 and joint 206 are opposite has the jack-post assembling angle of deflection 201 of jack-post and axle sleeve assembling, and described jack-post angle of deflection 201 is for leading fillet.
For jack-post 2 and axle sleeve 1 when doing relative commentaries on classics, reduce its wearing and tearing each other, radially be concaved with oil groove 202 on the described jack-post 2 function faces 203, described oil groove 202 be shaped as the annulus oil groove, number can be arranged to a plurality of as required.Certainly, those skilled in the art is according to aforementioned description, and the shape of described oil groove 202 can also be groove, semicircular ring or spiral helicine oil groove, as long as can effectively reduce the fretting wear between jack-post 2 and the axle sleeve 1.
Radially extend with respect to sleeve the convergence part 106 of described axle sleeve 1, has opened positioning hole 102 and pilot hole 101 on it, and locating column 103 is self part mounted inside locating point of axle sleeve 1, the location when making things convenient for axle sleeve 1 convergence part 106 to fit locking with convergence part 107.The length that extend described convergence part 106 can be provided with according to actual needs.Further, convergence part 106 and sleeve can be integrally formed.During making, on axle sleeve, form the groove position 105 of changes of section earlier, crooked then two planar end surfaces of pressing axle sleeve 1 again, described curved section can form sleeve, the size of sleeve is slightly less than the diameter of jack-post 2 function faces 203, and function face 203 forms interference fit with the coating face 104 of axle sleeve sleeve.
The number of described groove position 105 is at least one, decides according to component sizes and torque value during design, and described changes of section is meant that the well width integral body of groove position 105 is inconsistent, and the variation of its width can be made according to the difference of using.Preferably, described groove position 105 has the cross section 1051,1052 and 1053 of three sections distortion, the function face of locating piece and three sections varied cross section forms interference, gap and interference fit successively, make it the required torque value variation tendency of electronic product loam cake rotation angle of joining, the additional torque value consistent with aforementioned variation tendency is provided along with turning shaft structure.
Described locating piece is positioning screwn or locating stud, perhaps other parts that can locate.Preferably, described locating piece is a positioning screwn 3, comprises upper end portion and underpart, and the top surface of described positioning screwn has locating slot 301, and the upper end portion is the function face 302 of positioning screwn, and the underpart has the structure 303 of firm positioning screwn.
As a kind of embodiment, the timing of cladding type rotary shaft structure integral installation, jack-post 2 assembles with axle sleeve 1 by the jack-post assembling angle of deflection 201 of front end earlier, the function face 203 of jack-post 2 and coating face 104 interference fit of axle sleeve 1, be assigned on the fixing pin position 204 of jack-post 2 by two positioning screwns, 3 locks again, after the fixing pin position of positioning screwn 3 and jack-post 2 204 pins are fitted on the position, the function face 302 of positioning screwn 3 cooperates with changes of section groove position 105 each function face of axle sleeve 1, specifically please refer to Fig. 6 and shown in Figure 7.When the integral body that jack-post 2 and positioning screwn 3 are joined relatively rotates with respect to axle sleeve 1, because the function face 203 of jack-post 2 and coating face 104 interference fit of axle sleeve 1, add the cooperating of changes of section groove position 105 of positioning screwn 3 and axle sleeve 1, turning shaft structure thereby can provide two torque values to relevant electronic product, such as notebook computer.Particularly, the interference fit by 104 in the coating face of the function face 203 of jack-post 2 and axle sleeve 1 provides a constant torque value; Moreover, the function face 302 of the positioning screwn 3 on the jack-post 2 and three sections deformed sections 1051,1052,1053 of the section deformation groove position 105 of axle sleeve 1 form the alternate of interference, gap, interference fit, provide with the rotating shaft open angle change gradually earlier, then to fixed position, return to form the gradual change torque value of samsara to variation gradually again.
As above the concrete working procedure of Zhuan Pei cladding type rotary shaft structure please refer to shown in Fig. 8-11, when initial position, the function face 302 of positioning screwn 3 is positioned at 1051 sectional positions of the changes of section groove position 105 of axle sleeve 1, and this position promptly forms the closed position place of initial spacing and rotating shaft, also promptly from lock-bit.When rotating jack-post 2, the function face 302 of the positioning screwn 3 on the jack- post 2 and 1051 cross section interference fit of changes of section groove position 105 parts of axle sleeve 1, when positioning screwn 3 is jumped over the initial position of axle sleeve 1, the function face 302 of positioning screwn 3 cooperates with another cross section 1052 of the changes of section groove position 105 of axle sleeve 1, promptly forward Spielpassung to from interference, the function face 302 of last positioning screwn 3 cooperates with the cross section 1053 of the changes of section groove position 105 of axle sleeve 1, return interference fit from Spielpassung again, being changed to from large to small of torque value, arrive greatly, this meets the actual demand that electronic product is renovated screen countershaft torque value when opening and closing again.At last, when positioning screwn 3 entered the tail end section zone 1053 of changes of section groove position 105 of axle sleeve 1, this was the limit position of rotating shaft, just the maximum position 180 degree places of rotating shaft rotation angle.
The cladding type rotary shaft structure that the utility model provides, by the whole required torque value that provides of rotating shaft is provided, the torque value of constant state part can corresponding reducing.The variation of matching relationship between locating piece and the axle sleeve groove position during specifically by the rotating shaft rotation angle, provide one and the corresponding to torque value of the required torque value variation tendency of jack-post rotation angle and add, thereby reduce the amount of interference between jack-post and the axle sleeve, reduce wear, strengthen the whole service life of rotating shaft.Turning shaft structure of the present utility model is than other cladding type rotary shaft, have simple in structure, assembling easily, the functor wearing and tearing are little, key components and parts has only jack-post, axle sleeve, three parts of locating piece, and the advantage of compensate function is arranged.Thus, the structure rotating shaft of technological scheme described in the utility model can be suitable for a large amount of industrialized production, has new and innovative, progressive, practical effect.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a cladding type rotary shaft structure is characterized in that, comprising:
Jack-post, an end of this jack-post is provided with joint, and the other end extends a function face, radially is provided with the fixing pin position on the described function face;
Axle sleeve, this axle sleeve is provided with the convergence part, and this convergence part is in abutting connection with a sleeve, the groove position that has changes of section on the sleeve, the function face of jack-post and the coating face interference fit of axle sleeve sleeve;
Locating piece, this locating piece lock is assigned on the fixing pin position of jack-post, and after the fixing pin position of locating piece and jack-post lock was fitted on the sleeve, the function face that the fitting surface of locating piece and sleeve upper section change the groove position cooperated.
2. cladding type rotary shaft structure according to claim 1 is characterized in that the joint of described jack-post is a footstalk, has opened at least one delthyrium on it.
3. cladding type rotary shaft structure according to claim 2 is characterized in that, described footstalk is an in-line.
4. cladding type rotary shaft structure according to claim 1 is characterized in that, the end that described function face is opposite with joint, and the jack-post with the assembling of jack-post and axle sleeve assembles angle of deflection.
5. cladding type rotary shaft structure according to claim 1 is characterized in that, radially is concaved with oil groove on the described function face.
6. cladding type rotary shaft structure according to claim 1 is characterized in that the convergence part of described axle sleeve is radially extended with respect to sleeve, has opened positioning hole and pilot hole on it.
7. cladding type rotary shaft structure according to claim 1 is characterized in that, described groove position has the cross section of three sections distortion, and the function face of locating piece and three sections deformed sections forms interference, gap and interference fit successively.
8. cladding type rotary shaft structure according to claim 1 is characterized in that, described locating piece is positioning screwn or locating stud.
9. cladding type rotary shaft structure according to claim 1 is characterized in that, described locating piece is a positioning screwn, comprise upper end portion and underpart, the top surface of described positioning screwn has locating slot, and the upper end portion is the function face of positioning screwn, and the underpart has the structure of firm positioning screwn.
10. cladding type rotary shaft structure according to claim 1 is characterized in that, the joint of described jack-post and the screen of notebook assembling one, the convergence part of described axle sleeve and the pedestal of notebook assembling one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205750586U CN201866076U (en) | 2010-10-25 | 2010-10-25 | Cladding-type rotating shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205750586U CN201866076U (en) | 2010-10-25 | 2010-10-25 | Cladding-type rotating shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201866076U true CN201866076U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205750586U Expired - Fee Related CN201866076U (en) | 2010-10-25 | 2010-10-25 | Cladding-type rotating shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201866076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309781A (en) * | 2020-02-27 | 2021-08-27 | 福立旺精密机电（中国）股份有限公司 | Spiral rotating shaft and machining method thereof |
-
2010
- 2010-10-25 CN CN2010205750586U patent/CN201866076U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309781A (en) * | 2020-02-27 | 2021-08-27 | 福立旺精密机电（中国）股份有限公司 | Spiral rotating shaft and machining method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20151025 |
|
| EXPY | Termination of patent right or utility model |