CN1661716A - Guidance structure - Google Patents
Guidance structure Download PDFInfo
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- CN1661716A CN1661716A CN 200410007012 CN200410007012A CN1661716A CN 1661716 A CN1661716 A CN 1661716A CN 200410007012 CN200410007012 CN 200410007012 CN 200410007012 A CN200410007012 A CN 200410007012A CN 1661716 A CN1661716 A CN 1661716A
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- Prior art keywords
- axle center
- guiding structural
- magnetic texure
- junction surface
- guiding
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Abstract
The present invention relates to a guide structure for making data accessor in optical drive be moved along a specification direction. Said guide structure includes the following components: gaide bearer, first axle center positioning piece, driver and turning structure.
Description
Technical field
The relevant a kind of guiding structural of the present invention, the particularly relevant a kind of guiding structural that can locate and prevent excessive glue voluntarily.
Background technology
The use of CD-ROM drive is known by general masses, and under development of information industry, CD-ROM drive is indispensable especially, for example: CD-ROM, DVD-ROM etc., all existing suitable proven technique.
Please refer to Fig. 1, the CD driver local configuration is shown, comprise carrier 102, data access unit 104 (comprising optical read/write head, object lens etc.) and guiding structural 106, but carrier 102 carrying disc sheets wherein, but the data of data access unit 104 access discs, move in specific direction as for 106 bootable data access units 104 of guiding structural, with the data of access discs.
Then, please be simultaneously with reference to Fig. 1 and Fig. 2, existing guiding structural 106 comprises bearing 108, keeper 114,116, driver 118 and rotor 110.Rotor 110 comprises magnetite ring 122 and rod member 120, and an end of rod member 120 is installed in the keeper 116, and the other end then passes the perforation 124 of the perforate 112 of bearing 108 and driver 118 and is installed in the fluting 126 of keeper 114.The magnetite junction surface 128 periphery gluings that rod member 120 is positioned at perforation 124 have magnetite ring 122 with the rotor 110 as guiding structural 106.
In said structure, the production process of rod member 120 and magnetite ring 122 gluings is for applying viscose on magnetite junction surface 128, again socket magnetite ring 122.Afterwards, utilize positioning tool apparatus location magnetite ring 122 in the position of rod member 120, to finish the preparation of rotor 110.
Yet, in above-mentioned production process, because need be, thereby need to increase the costs such as cost of manufacture, personnel costs of positioning tool apparatus, and significantly improve whole production cost with the position of positioning tool apparatus location magnetite ring.
Moreover, because the positioning tool apparatus can be subjected to the influence of self tolerance or the factors such as wearing and tearing in the production run, thereby increases the variance factor of production process, and then significantly reduce the degree of accuracy of product.
In addition, in the operation of a glue, easily because of the people for the careless mistake of operation, be attached to the cull on the positioning tool apparatus, the slip behind the magnetite circling point glue etc., and viscose is flow in the lead screw screw thread, cause the cleaning difficulty, and then influence product quality.
Summary of the invention
Therefore,, the objective of the invention is to propose a kind of guiding structural for addressing the above problem, with significantly reduce production cost and time, can effectively avoid overflowing glue and contraposition voluntarily, and then significantly improve product quality.
For this reason, a kind of guiding structural of the present invention with so that a pair of the elephant along specific direction moved, comprises guiding bearing, the first axle center keeper, driver and rotational structure.The guiding bearing is provided with corresponding first perforate and second perforate, and the first axle center keeper then is installed on the side of tool first perforate.Driver is located at the outside that the guiding bearing is provided with second perforate, comprises the perforation and the second axle center keeper.Rotational structure is held between the first axle center keeper and the second axle center keeper, comprises rod member and magnetic texure.Wherein rod member is distinguished into operational zone and junction surface, and the maximum inner diameter at junction surface is less than the minimum diameter of operational zone.The magnetic texure correspondence is engaged on the junction surface, and magnetic texure is positioned at perforation.
Above-mentioned guiding structural also comprises elastic parts, is located at the first axle center keeper or the second axle center keeper, in order to prevent rotational structure off-centre.Corresponding first perforate of elastic parts, and between the side of the first axle center keeper and tool first perforate.Elastic parts is to be selected from one of shell fragment, spring or cushion, and shape then is selected from one of shell fragment type, ring-type or arcuation.
In the above-mentioned guiding structural, the second axle center keeper comprises that also the ring portion that is divided into two ends reaches from ring portion with concentric manner and integrally formed storage tank, ring portion is to be located at internal drive, for the coiling winding, storage tank then is convexly set in the driver outside from perforation, and storage tank is corresponding and towards second perforate.
In the above-mentioned guiding structural, the second axle center keeper has at least one flank, so that storage tank is connected with ring portion, and makes storage tank be convexly set in the driver outside from perforation.The material of the first axle center keeper or the second axle center keeper is to be selected from one of plastics, elastic material or metal.
In the above-mentioned guiding structural, driver is to be rotation motor, also comprises housing, and housing has accommodation space and offers perforation, and accommodation space is in order to the ccontaining second axle center keeper.Aforementioned housing comprises box body and lid, forming accommodation space in enclosure interior, and box body and lid in enclose a plurality of claws that respectively have in order to combination, and after combination, form in the claw inner edge and to bore a hole.
In the above-mentioned guiding structural, the juncture at magnetic texure and junction surface is the gluing method.Magnetic texure is made of at least one magnetite.The shape of magnetic texure is to be selected from one of ring-type, arcuation or bulk.The internal diameter of magnetic texure axial centre opening is between junction surface maximum inner diameter and operational zone minimum diameter.
In sum, guiding structural of the present invention, because the operational zone and the junction surface of rotational structure have cross section diametrically, so in the process of installing magnetic texure, can locate automatically, therefore do not need the step of additionally using the positioning tool apparatus to position, and can significantly reduce personnel costs, the excessive glue situation when avoiding the attached glue of frock appliance of expense, the location of frock appliance, and then significantly reduce production costs and the time.
Moreover, because the maximum inner diameter at the junction surface of rotational structure is less than the minimum diameter of operational zone, even therefore the too much situation of glue amount takes place, also can by this radially difference of height and prevent that effectively the glue overflow is to the operational zone.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 is the stereographic map that the summary of CD driver is provided with.
Fig. 2 is the sectional view of existing guiding structural.
Fig. 3 is the sectional view of the guiding structural of a preferred embodiment of the present invention.
Fig. 4 to Fig. 5 is the front elevation and the sectional view of axle center of the present invention keeper.
Fig. 6 to Fig. 8 is the sectional view of elastic parts of the present invention.
Embodiment
Fig. 3 is the synoptic diagram that illustrates the guiding structural 200 of a preferred embodiment of the present invention.Please be simultaneously with reference to Fig. 3 to Fig. 5, guiding structural 200 includes guiding bearing 202, axle center keeper 204, elastic parts 218, driver 206 and rotational structure 208, with so that object move along specific direction.
The two ends of guiding bearing 202 offer corresponding perforate 214,216.Certainly, also can be as shown in Figure 1, another of guiding bearing 202 implemented aspect for being divided into both sides, and offers corresponding perforate 214,216 respectively, and for rotational structure 208 settings.
Axle center keeper 204 passes the hole of elastic parts 218, and is sheathed in the perforate 214, and compressing elastic parts 218, so that elastic parts 218 produces the restoring force of executing to axle center keeper 204.The material of axle center keeper 204 for example is plastics, elastic material or metal.
Driver 206 for example is to use rotation motor, is to be fixedly arranged on the outside that guiding bearing 202 is provided with perforate 216, rotates to order about rotational structure 208.Driver 206 comprises housing 220, perforation 222, coiling 224 and axle center keeper 226.Housing 220 is the stationary parts for driver 206, has the inside accommodation space 232 that is formed by box body 228 and lid 230.Box body 228 for example is to combine housing 220 by both in the interior claw 234 that encloses collocation mutually with lid 230, and after the combination, claw 234 inner edges can form the perforation 222 of corresponding perforate 216.Coiling 224 is set around the ring portion 236 of axle center keeper 226 1 ends, and winds the line and 224 together place accommodation space 232 (that is inside of driver 206) with the ring portion 236 of axle center keeper 226.The other end of axle center keeper 226 then is a storage tank 238, and storage tank 238 is connected with ring portion 236 via flank 240, and is integrally formed with the concentric mode of ring portion 236.In addition, storage tank 238 is corresponding and towards perforate 216, thereby claw 234 just can pass 240 of two flanks of axle center keeper 226, and the storage tank 238 that makes axle center keeper 226 222 is convexly set in driver 206 outsides from boring a hole.The material of axle center keeper 226 for example is plastics, elastic material or metal.When the material of axle center keeper 226 is not had elasticity, also can on axle center keeper 226, add elastic parts 218.
Rotational structure 208 is made of magnetic texure 212 and rod member 210, and wherein magnetic texure 212 is to be located on the junction surface 242 of rod member 210.One end of rod member 210 has the shape of corresponding axle center keeper 204, the other end forms junction surface 242, then be operational zone 244 between two ends, wherein the maximum inner diameter at junction surface 242 is the minimum diameters less than operational zone 244, and has a cross section 252 between junction surface 242 and the operational zone 244.In addition, 244 surfaces are formed with and can supply the structure of operation in the operational zone, for example be screw threads.Rod member 210 1 ends are installed in the axle center keeper 204, and the other end with junction surface 242 then passes the perforate 216 of guiding bearing 202 and the perforation 222 of driver 206, is installed in the storage tank 238 of axle center keeper 226.Under the compressing of elastic parts 218, fixed beam 210 produces its no axial displacement, and the object that is arranged on the operational zone 244 with drive moves.The surface configuration of joint portion 242 for example is disc, the ups and downs curved surface of tool or helicoid curved surface.
Magnetic texure 212 is to be arranged on the junction surface 242, can be subjected to the magnetic that coil 224 produces and rotates, and then drive rotational structure 208 and rotate.Magnetic texure 212 is made of at least one magnetite, and shape for example is ring-type, arcuation or bulk.When magnetic texure 212 is during for ring texture, the internal diameter of magnetic texure 212 axial centre openings is to be slightly larger than the maximum inner diameter at junction surface 242 and less than the minimum diameter of operational zone 244.Magnetic texure 212 for example is a gluing with the juncture of rod member 210.
Then, be that ring texture is the making and the localization method of example explanation rotational structure 208 with gluing mode and magnetic texure 212.At first gluing on the surface of contact at magnetic texure 212 and junction surface 242 is socketed on magnetic texure 212 on the junction surface 242 again.This moment, therefore automatic the location finished when magnetic texure 212 covers are connected to cross section 252 because junction surface 242 has cross section 252 diametrically with operational zone 244, treated promptly to finish after the adhesive curing preparation of rotational structure 208 afterwards.242 surfaces, junction surface can be only coated at the position of aforementioned gluing, also can only coat magnetic texure 212 inner ring surfaces, also can coat 242 surfaces, junction surface and magnetic texure 212 inner ring surfaces simultaneously.
Suppose in the process of gluing, the too much situation of glue amount takes place, this moment is because cross section 252 is higher than bondline thickness, so cross section 252 can bring into play the effect of blocking-up, and then the generation of the glue phenomenon that prevents from effectively to overflow.
Therefore in use, just can order about rotational structure 208 starts by driver 206, and drive the object that is provided with thereon by rotational structure 208, certainly, when applying the present invention to CD-ROM drive, the object that is arranged at rotational structure 208 is the data access unit 104 (seeing also Fig. 1) of CD-ROM drive just, thus so that data access unit 104 reads the data of discs.Aforementioned CD-ROM drive for example is CD-R/RW, VCD-R/RW or DVD-R/RW.
In sum, guiding structural of the present invention, because the operational zone and the junction surface of rotational structure have cross section diametrically, so in the process of installing magnetic texure, can locate automatically, therefore do not need the step of additionally using the positioning tool apparatus to position, and can significantly reduce personnel costs, the excessive glue situation when avoiding the attached glue of frock appliance of expense, the location of frock appliance, and then significantly reduce production costs and the time.
Moreover, because the maximum inner diameter at the junction surface of rotational structure is less than the minimum diameter of operational zone, even therefore the too much situation of glue amount takes place, also can by this radially difference of height and prevent that effectively the glue overflow is to the operational zone.
Though the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, under the situation that does not break away from spirit of the present invention, also can make the variation and the modification of various equivalences, therefore, as long as variation, the modification to the foregoing description all will drop in the scope of claims of the present invention in connotation scope of the present invention.
Claims (10)
1. guiding structural with so that a pair of the elephant along specific direction moved, comprising:
One guiding bearing is provided with corresponding one first perforate and one second perforate;
One first axle center keeper is installed on the side with described first perforate;
One driver is located at the outside of described second perforate of being provided with of described guiding bearing, comprises a perforation and one second an axle center keeper; And
One rotational structure is held between described first axle center keeper and the described second axle center keeper, comprises a rod member and a magnetic texure; Wherein:
Described rod member is distinguished into an operational zone and a junction surface, and the maximum inner diameter at described junction surface is less than the minimum diameter of described operational zone;
Described magnetic texure correspondence is engaged on the described junction surface, and described magnetic texure is positioned at described perforation.
2. guiding structural as claimed in claim 1 is characterized in that also comprising an elastic parts, is located on described first axle center keeper or the described second axle center keeper, in order to prevent described rotational structure off-centre.
3. guiding structural as claimed in claim 1 is characterized in that described elastic parts is to be selected from one of shell fragment, spring, cushion.
4. guiding structural as claimed in claim 1, the shape that it is characterized in that described elastic parts are one of shell fragment shape, ring-type or arcuation.
5. guiding structural as claimed in claim 1 is characterized in that described driver is to be a rotation motor, also comprises a housing, and described housing has an accommodation space and offers described perforation, and described accommodation space is in order to the ccontaining described second axle center keeper.
6. guiding structural as claimed in claim 1, the juncture that it is characterized in that described magnetic texure and described junction surface are the gluing methods.
7. guiding structural as claimed in claim 1 is characterized in that described magnetic texure is made of at least one magnetite.
8. guiding structural as claimed in claim 1, the shape that it is characterized in that magnetic texure are to be selected from one of ring-type, arcuation or bulk.
9. guiding structural as claimed in claim 1, the internal diameter that it is characterized in that described magnetic texure axial centre opening is between described junction surface maximum inner diameter and described operational zone minimum diameter.
10. guiding structural as claimed in claim 1, when it is characterized in that described guiding structural is applied to a CD-ROM drive, described to liking data access unit; And described CD-ROM drive is to be selected from one of CD-R/RW, VCD-R/RW or DVD-R/RW.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100070123A CN1303608C (en) | 2004-02-23 | 2004-02-23 | Guidance structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100070123A CN1303608C (en) | 2004-02-23 | 2004-02-23 | Guidance structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1661716A true CN1661716A (en) | 2005-08-31 |
| CN1303608C CN1303608C (en) | 2007-03-07 |
Family
ID=35010959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100070123A Expired - Fee Related CN1303608C (en) | 2004-02-23 | 2004-02-23 | Guidance structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1303608C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890510A (en) * | 2020-08-12 | 2020-11-06 | 曾建平 | Automatic rattan winding process for rattan chair wood handle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2580561Y (en) * | 2002-11-15 | 2003-10-15 | 台达电子工业股份有限公司 | Leadnig structure without offset |
-
2004
- 2004-02-23 CN CNB2004100070123A patent/CN1303608C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890510A (en) * | 2020-08-12 | 2020-11-06 | 曾建平 | Automatic rattan winding process for rattan chair wood handle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1303608C (en) | 2007-03-07 |
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| PB01 | Publication | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070307 Termination date: 20170223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |