CN2492925Y - New-type DVD optical head support - Google Patents
New-type DVD optical head support Download PDFInfo
- Publication number
- CN2492925Y CN2492925Y CN 01209079 CN01209079U CN2492925Y CN 2492925 Y CN2492925 Y CN 2492925Y CN 01209079 CN01209079 CN 01209079 CN 01209079 U CN01209079 U CN 01209079U CN 2492925 Y CN2492925 Y CN 2492925Y
- Authority
- CN
- China
- Prior art keywords
- gear
- shaven head
- housing
- support
- holder device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a new DVD optical header supporter, which belongs to the field of electronic technology. A rack mechanism driven by a leader is provided on a shell; a gear groove is provided on the shell, and a treble gear transmission mechanism that can be unidirectionally engaged is provided in the gear groove; a spring reset device is provided in the treble gear transmission mechanism; the contact surfaces of the shell and the supporter form an optical header guideway. The utility model has the advantages of simple structure, high accuracy of operation and high ratio of performance and price of products and realizes the installation of the DVD optical header by using the frame of an existing VCD loader.
Description
The utility model relates to a kind of novel DVD shaven head holder device, and it belongs to electronic technology field, especially for the shaven head of the DVD in a kind of VCD video disc player movement holder device.
Bare headed support in the movement of existing VCD video disc player can only support shaven head to finish the dish task of reading of existing VCD video disc, and is little but the VCD video disc has an information storage, the shortcoming that image definition is not enough.The image effect of existing DVD player is good, but its price is higher, is unfavorable for popularizing.If read the video disc of DVD, because the complex structure of DVD shaven head on the movement of existing VCD, can't satisfy the accuracy requirement of DVD shaven head with the movement of VCD.Though also have some designs to wish to satisfy the accuracy requirement of DVD shaven head at present, but its result is all undesirable.Because the guide rail of existing VCD movement and guide pass all are directly to offer the plastic cement supporting construction from supporting plate, be that guide rail and guide pass are separately independently, the manufacturing accuracy of this structure requires high, there are rigging error again simultaneously in guide rail and guide pass, therefore the shaven head of DVD is installed on the bare headed support of movement of such VCD, effect is not desirable.
The purpose of this utility model is to provide a kind of accuracy requirement that both can satisfy the DVD shaven head fully, can realize the novel DVD shaven head holder device that the DVD laser disc reads again on the movement of existing VCD.
The purpose of this utility model is achieved in that
A kind of novel DVD shaven head holder device, it is made up of support, housing, CD bracing frame, shaven head, power motor and gear drive, described housing is fastened on the support, described CD bracing frame is fixed on the support, it is characterized in that: be provided with a rack mechanism by guide rod drive on described housing; On described housing, also be provided with a gear grooved, but in described gear grooved, be provided with the tertiary gear gear train of one way engagement; But in the tertiary gear gear train of described one way engagement, be provided with a spring reverse motion; Surface of contact by described housing and support constitutes bare headed guide rail.But additional gear of stack on the secondary transmission gear in the tertiary gear gear train of described one way engagement, upper surface at the secondary transmission gear is provided with positioning guide column and spring groove, be provided with positioning guide hole, spring eye and spring-positioning device on the corresponding position of additional gear, described stage clip places spring groove and spring eye.But the tertiary gear gear train of described one way engagement can be fixed on the gear locating shaft that is located in the gear grooved.On another limit of described housing, be provided with a cavity corresponding to the position of gear drive.On described housing, also be provided with a projective table type rack positioning hole; On the corresponding position of described support, be provided with a positioning recess.On described guide rail, be provided with stop motion mechanism.
The utility model is simple in structure, compact, and cost is lower, adopts existing VCD framework just to realize installing the shaven head of DVD on the movement of VCD video disc player, directly reads the DVD laser disc, and safe and reliable.The utility model goes for the DVD shaven head of various different models, particularly than the HOP-1120DVD shaven head of higher gears.
Accompanying drawing 1 is a structural representation of the present utility model
Accompanying drawing 2 is a three-dimensional decomposition texture synoptic diagram of the present utility model
Accompanying drawing 3 is the three-dimensional decomposition texture synoptic diagram of gear drive of the present utility model
Accompanying drawing 4 is the perspective view of housing parts of the present utility model
Accompanying drawing 5 is the perspective view that housing parts of the present utility model combines with guide rod
Accompanying drawing 6 is the perspective view of support of the present utility model
Accompanying drawing 7 is the three-dimensional decomposition texture synoptic diagram of the fit of gear drive of the present utility model and housing
Accompanying drawing 8 is the perspective view of tooth bar of the present utility model
Accompanying drawing 9 is the perspective view of additional gear of the present utility model
Be embodiment of the present utility model with accompanying drawing 1,2,3,4,5,6,7,8,9 below, the utility model be further detailed:
Owing to will use the pedestal part of the movement of existing VCD, to guarantee that also the DVD shaven head can be placed in the utility model, and can reach the requirement of reading precision of DVD, on housing 2 of the present utility model, be provided with a rack mechanism 9 by a guide rod 7 drives; Guide rod 7 is fixed in the pilot hole 201 that is located on housing 2 frames, fixes from guide rod fixed orifice 209 usefulness screws, to guarantee the collimation of guide rod 7 again.Design has connecting hole 901 on tooth bar 9, by connecting hole 901 tooth bar 9 is through on the guide rod 7, and tooth bar 9 will slidably reciprocate on guide rod 7, and an end of tooth bar 9 can stretch out from the tooth bar outlet 204 of the corresponding position that is located at housing 2.In order to satisfy the accuracy requirement of DVD shaven head, the utility model adopted one can one way engagement the tertiary gear gear train.Described tertiary gear gear train that can one way engagement comprises one-level transmission gear 4, secondary transmission gear 5 and three grades of transmission gears 6, but additional gear 10 of stack on the secondary transmission gear 5 in the tertiary gear gear train of described one way engagement, upper surface at secondary transmission gear 5 is provided with positioning guide column 502 and spring groove 503, be provided with positioning guide hole 1002, spring eye 1003 and spring-positioning device 1001 on the corresponding position of additional gear 10, described stage clip 11 places spring groove 503 and spring eye 1003.But the tertiary gear gear train of described one way engagement can be fixed on the gear locating shaft 203 tertiary gear gear trains that are located in the gear grooved 208 and can be fixed on the gear locating shaft 203 that is located in the gear grooved 208.In order to satisfy complicated structure of DVD shaven head and the space of being occupied, avoid the mutual interference of gear, laser head 8 and housing 2, on another limit of described housing, be provided with a cavity 205, and on the position that corresponds to the mounting teeth wheel mechanism of gear grooved 208, have opening 202 corresponding to the position of gear drive.On described housing 2, also be provided with a projective table type rack positioning hole 207; Be provided with a positioning recess 101 on the corresponding position of described support, housing 2 and support 1 will utilize rack positioning hole 207 and positioning recess 101 to be linked together, and 102 is connection holes.The utility model is made an integral body with guide rail 206 and housing 2, makes the fixing and guide rail 206 of guide rod 7 on same assembly.On described guide rail 206, be provided with stop motion mechanism 210.12 is power motor; One end of shaven head 8 is stuck in the cavity 205 of housing 2, and links with housing 2 and guide rod 7 by bare headed bayonet socket 801 and combined hole 802.103 is the CD bracing frame.After support 1 and housing 2 fixed, the position of guide rod 7 is relative fixed also, and shaven head 8 is enclosed within on the guide rod 7 by combined hole 802, and bayonet socket 801 is stuck on the guide rail 206, can do the rectilinear motion that is parallel to cd side to guarantee shaven head 8.Can guarantee the homogeneity that shaven head rotates by the transmission accuracy of gear mechanism.When power motor 12 drove optical disk high-speeds and rotates, shaven head 8 was subjected to the driving moving linearly of gear mechanism and tooth bar 9 transmissions along guide rod 7, and the radium-shine head by shaven head 8 scans the CD of rotation, finishes the task of reading of data.
Claims (6)
1, a kind of novel DVD shaven head holder device, it is made up of support (1), housing (2), CD bracing frame (103), shaven head (8), power motor (12) and gear drive, described housing (2) is fastened on the support (1), described CD bracing frame (103) is fixed on the support (1), it is characterized in that:
A, on described housing (2), be provided with a tooth bar machine that drives by a guide rod (7)
Structure (9);
B, on described housing (2), also be provided with a gear grooved (208), described
Gear grooved (208) but in be provided with one way engagement the tertiary gear gear train (4,
5,6), but in the tertiary gear gear train of described one way engagement, be provided with one
Individual spring reverse motion;
C, constitute bare headed guide rail by the surface of contact of described housing (2) and support (1)
(206)。
2, the novel DVD shaven head holder device described in claim 1, but it is characterized in that the last stack of secondary transmission gear (5) additional gear (10) in the tertiary gear gear train of described one way engagement, upper surface at secondary transmission gear (5) is provided with positioning guide column (502) and spring groove (503), be provided with positioning guide hole (1002), spring eye (1003) and spring-positioning device (1001) on the corresponding position of additional gear (10), described stage clip (11) places spring groove (503) and spring eye (1003).
3, the novel DVD shaven head holder device described in claim 1 or 2, but it is characterized in that the tertiary gear gear train (4,5,6) of described one way engagement can be fixed on the gear locating shaft (203) that is located in the gear grooved (208).
4, the shaven head of the novel DVD described in claim 1 or 2 holder device is characterized in that being provided with a cavity (205) on another limit corresponding to the position of gear drive of described housing (2).
5, the novel DVD shaven head holder device described in claim 1 or 2 is characterized in that also being provided with a projective table type rack positioning hole (207) on described housing (2); On the corresponding position of described support (1), be provided with a positioning recess (101).
6, the novel DVD shaven head holder device described in claim 1 is characterized in that being provided with stop motion mechanism (208) on described guide rail (206).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01209079 CN2492925Y (en) | 2001-03-12 | 2001-03-12 | New-type DVD optical head support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01209079 CN2492925Y (en) | 2001-03-12 | 2001-03-12 | New-type DVD optical head support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2492925Y true CN2492925Y (en) | 2002-05-22 |
Family
ID=33629010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01209079 Expired - Fee Related CN2492925Y (en) | 2001-03-12 | 2001-03-12 | New-type DVD optical head support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2492925Y (en) |
-
2001
- 2001-03-12 CN CN 01209079 patent/CN2492925Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |