CN201317326Y - Single-ingot car DVD retracting device - Google Patents
Single-ingot car DVD retracting device Download PDFInfo
- Publication number
- CN201317326Y CN201317326Y CNU2008202143705U CN200820214370U CN201317326Y CN 201317326 Y CN201317326 Y CN 201317326Y CN U2008202143705 U CNU2008202143705 U CN U2008202143705U CN 200820214370 U CN200820214370 U CN 200820214370U CN 201317326 Y CN201317326 Y CN 201317326Y
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- CN
- China
- Prior art keywords
- gear
- electrical motor
- mobile foundation
- tooth bar
- retractor 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 discloses a structure for a single-ingot car DVD retracting device, which is applied to car multimedia equipment. On the basis of the existing single ingot retracting structure, a skidding device with a clutch gear and a drive gear is connected between the output end of a speed change gear box and a segment gear; a guide groove is arranged on the two inner side walls of a casing frame; and the guide groove is matched with two slide blocks fixed in both sides of a movable base. The skidding device with the clutch gear and the drive gear is connected between the output end of the speed change gear box and the segment gear, thus effectively avoiding the gear or the motor to be damaged because of carelessly touching the display screens by terminal users; and simultaneously, the guide groove is arranged on the casing frame, so the movement precision of the movable base is effectively improved and the whole reliability of mechanisms is enhanced.
Description
Technical field
The utility model relates to a kind of vehicle mounted multimedia equipment, relates in particular to a kind of single ingot vehicle-carrying DVD retractor device.
Background technology
Vehicle-carrying DVD is mounted in the multimedia play system that audio-visual amusement is provided for passenger in the car in the automobile, generally except DVD playing back form video disc, also support the audio/video file and the video disc of forms such as VCD/MP3/WMA/MP4/Divx/CD/CDR/CDRW/JPEG, the also support SD that has, USB, IPOD etc.
At present, the kind of the Vehicle DVD on the market is more, and its structure mainly is made up of shell frame, adapter plate, mobile foundation etc., and mobile foundation is arranged in the shell frame, and read-out is connected on the adapter plate, and adapter plate and mobile foundation edge are hinged, and can rotate around jointed shaft.The bottom of mobile foundation is provided with external gear, the relevant position of shell frame is provided with the tooth bar that is complementary with external gear, also be provided with the electrical motor that can drive external gear in the mobile foundation, electrical motor rotates and can drive the external gear rotation, because the tooth bar on external gear and the shell frame is meshing with each other, and then the drive adapter plate slides in the shell frame; On adapter plate, be provided with quadrant gear simultaneously, on mobile foundation, then be provided with the speed-change gear box that is connected electrical motor that is complementary with quadrant gear, but rotate in motor-driven bottom plate driving display screen near the jointed shaft place.Its weak point is: 1, because speed-change gear box needs bigger transmitting ratio, so after the upset of read-out as if being not intended to collide read-out, can cause the speed-change gear box inner gear to reverse by force, easily break gear or motor; 2, mobile foundation only depends on simple external gear and tooth bar to cooperate, and is prone to position deviation when mobile, influences overall work.
The utility model content
The utility model is in order to solve the shortcoming of existing Vehicle DVD fragile gear and motor when colliding read-out, a kind of single ingot vehicle-carrying DVD retractor device is provided, it is by being provided with the band clutch gear in mechanism, gear or motor that effective crash-avoidance causes damage.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of single ingot vehicle-carrying DVD retractor device, comprise the shell frame that has tooth bar, be arranged on shell frame in-to-in mobile foundation and with mobile foundation pivotally attached adapter plate, mobile foundation is provided with and is subjected to electrical motor one that drive and cooperate external gear with tooth bar.Be provided with quadrant gear near the jointed shaft place on the adapter plate, mobile foundation also is provided with the speed-change gear box that driven by electrical motor two.Be connected with a band clutch gear and a transmission gear between described speed-change gear box mouth and the quadrant gear in turn.
Described band clutch gear forms for big gear wheel and the miniature gears cooperation that has the annular lines that is complementary respectively by two; Also be provided with pad, spring successively in the big gear wheel left side, reach fixed cover, also cooperating a fixed leg that penetrates from little tooth right side in the fixed cover simultaneously; The individual layer gear of described transmission gear for matching with quadrant gear and miniature gears simultaneously.
In the described shell frame, the dual-side place is equipped with tooth bar, and the sidewall that closes on tooth bar is provided with guide groove; Two guide grooves cooperate with two slide blocks that are fixed on the mobile foundation both sides respectively; A guide pillar penetrates two slide blocks simultaneously, and the guide pillar both ends all are fixed with the external gear that cooperates with tooth bar; Be fixed with a gear at the guide pillar middle part, this gear cooperates with electrical motor one by reducing gearbox.
Be equipped with contact switch on two parallel side walls perpendicular to its translation direction on the described mobile foundation, two contact switches all connect by the circuit card that circuit and is arranged in the mobile foundation; Described circuit card connects with electrical motor one, electrical motor two respectively by circuit simultaneously.
Described speed-change gear box comprises and electrical motor two bonded assembly worm and gears and seven double-layer gears that slow down and cooperate successively; Speed-change gear box afterbody gear cooperates with big gear wheel.
Described reducing gearbox comprises and electrical motor one bonded assembly worm and gear and four double-layer gears that slow down and cooperate successively; Reducing gearbox afterbody gear and the gear matched that is fixed on the guide pillar middle part.
The utility model is by being provided with the band clutch gear between speed-change gear box and transmission gear, gear or the motor of effectively avoiding the read-out collision to cause damage; Simultaneously on the shell frame, guide groove is set, effectively improves the mobile foundation mobile accuracy, strengthen mechanism's global reliability.
Description of drawings
Below in conjunction with drawings and Examples the utility model is described further:
Fig. 1 is the utility model structural representation;
The lateral plan of the state that Fig. 2 stretches out fully for adapter plate;
Fig. 3 is the assembly drowing of band clutch gear.
The specific embodiment
As the preferred embodiment of Fig. 1 single ingot vehicle-carrying DVD retractor device shown in Figure 2, comprise the adapter plate 1 of shell frame 3, mobile foundation 4 and connection read-out.Mobile foundation 4 is arranged in the shell frame 3, and adapter plate 1 is hinged by two double-screw bolts 17 with mobile foundation 4 edges, makes adapter plate 1 do 90 degree angles around double-screw bolt 17 and rotates.In shell frame 3, the dual-side place is equipped with tooth bar 10, closes on then to be provided with on the sidewall of tooth bar 10 slightly to the shell frame 3 outside guide grooves 2 that extend; Two guide grooves 2 cooperate with two slide blocks 5 that are fixed on mobile foundation 4 both sides respectively; Mobile foundation 4 can slide in shell frame 3 under the directional tagging of guide groove 2 and slide block 5.At both ends portion be fixed with also fix a gear 19 in external gear 18 middle parts guide pillar 9 simultaneously kink go into two slide blocks 5, and the external gear 18 at both ends all cooperates with tooth bar 10 accordingly; 19 of the gears at middle part pass through reducing gearbox 7 and cooperate with electrical motor 1.Electrical motor 1 rotates and can drive external gear 18 rotations, and owing to the tooth bar 10 on external gear 18 and the shell frame 3 is meshing with each other, and then drive adapter plate 1 slides in shell frame 3.Simultaneously, on adapter plate 1, be provided with quadrant gear 16 near double-screw bolt 17 places, then be provided with on the mobile foundation 4 with sector 16 and take turns the transmission gear 15 that is complementary, the band clutch gear 8 that cooperates with transmission gear 15, and the speed-change gear box 6 that cooperates with band clutch gear 8.Described speed-change gear box 6 other ends connect electrical motor 2 13, can drive adapter plate 1 upset at the driving lower transmissioning gear 15 of electrical motor 2 13.
Be with clutch gear 8 as shown in Figure 3, it comprises from left to right that successively bonded assembly fixed cover 8a, spring 8b, pad 8c, big gear wheel 8d, miniature gears 8f and one penetrate from little tooth 8f right side, finally the fixed leg 8g that cooperates with fixed cover 8a.Described big gear wheel 8d and miniature gears 8f all have the annular lines 8e concentric with face of gear on both contact surfaces; Under the effect of the friction force between spring 8b pressure and annular lines 8e, make this composite state gear possess clutch function; Promptly when the twisting resistance between two gear 8d, 8f was excessive, the contact surface between gear skidded.
As shown in Figure 1, being equipped with contact switch 12, two contact switches 12 on two parallel side walls perpendicular to its translation direction on the mobile foundation 4 all connects by the circuit card 11 that circuit and is arranged in the mobile foundation 4; Two contact switches 12 are respectively applied for the terminal location whether perception mobile foundation 4 or adapter plate 1 arrive rotation or translation, thus the running at control motor.Described circuit card 11 is respectively with circuit connection, control motor 1 and electrical motor 2 13 simultaneously.
As shown in Figure 1, described speed-change gear box 6 comprises and electrical motor 2 13 bonded assembly worm and gears that the worm screw other end is connected with seven double-layer gears that are level level deceleration cooperation by gear; Speed-change gear box 6 afterbody gears cooperate output with big gear wheel 8d.Under the effect of speed-change gear box 6, realize the big speed ratio deceleration output of electrical motor 2 13.Described reducing gearbox 7 comprises and electrical motor one 14 bonded assembly worm and gears that the worm screw other end is connected with four double-layer gears that are level level deceleration cooperation by gear; Reducing gearbox 7 afterbody gears cooperate driving external gear 18 by the gear 19 that is fixed on guide pillar 9 middle parts.
As Fig. 1, shown in Figure 2, the utility model list ingot vehicle-carrying DVD retractor device, when read-out stretches out, circuit card 11 driving motors 1, by external gear 18 and tooth bar 10 relative motions, making mobile foundation 4 be communicated with adapter plate 1 moves outside shell frame 3, move to guide groove 2 terminals up to slide block 5, electrical motor 2 13 controlled drivings this moment make quadrant gear 16 drive adapter plate 1 upset under transmission gear 15 effects, when being turned to end points, contact switch 12 near adapter plate 1 place is touched closure by pressure, electrical motor 2 13 stops to drive, and collides adapter plate 1 (read-out) this moment, and the miniature gears 8f in the band clutch gear 8 skids on big gear wheel 8d; In like manner; when read-out is regained; electrical motor 2 13 controlled drivings; when adapter plate 1 overturns back when concordant with mobile foundation 4, touched closure by pressure once more near the contact switch 12 at adapter plate 1 place, electrical motor 2 13 stops to drive; and motor machine one 14 controlled drivings; mobile foundation 4 translation in shell frame 3 is touched by pressure when mobile foundation 4 moves to inner place contact switch 12 cooresponding contact switches 12, and motor machine 1 is shut down.
Above-mentioned only is the utility model preferred embodiment, and respective members can do suitable adjustment on the original basis of the utility model or equivalence is replaced.Can adopt other gear combination form as speed-change gear box 6 or reducing gearbox 7; The position of tooth bar 10, guide groove 2 can suitably be adjusted or the like.
Claims (6)
1, a kind of single ingot vehicle-carrying DVD retractor device, comprise the shell frame (3) that has tooth bar (10), being arranged on shell frame (3) in-to-in mobile foundation (4) reaches and mobile foundation (4) pivotally attached adapter plate (1), mobile foundation (4) is provided with the external gear (18) that is subjected to electrical motor one (14) to drive and cooperate with tooth bar (10), adapter plate (1) is gone up near the hinge place and is provided with quadrant gear (16), mobile foundation (4) also is provided with the speed-change gear box (6) that driven by electrical motor two (13), it is characterized in that: be connected with a band clutch gear (8) and a transmission gear (15) between described speed-change gear box (6) mouth and the quadrant gear (16) in turn.
2, single ingot vehicle-carrying DVD retractor device according to claim 1 is characterized in that: described band clutch gear (8) forms for big gear wheel (8d) and miniature gears (8f) cooperation that has the annular lines (8e) that is complementary respectively by two; Also be provided with pad (8c), spring (8b) successively in big gear wheel (8d) left side, reach fixed cover (8a), also cooperating a fixed leg (8g) that penetrates from little tooth (8f) right side in the fixed cover (8a) simultaneously; The individual layer gear of described transmission gear (15) for matching with quadrant gear (16) and miniature gears (8f) simultaneously.
3, single ingot vehicle-carrying DVD retractor device according to claim 1, it is characterized in that: in the described shell frame (3), the dual-side place is equipped with tooth bar (10), and the sidewall that closes on tooth bar (10) is provided with guide groove (2); Two guide grooves (2) cooperate with two slide blocks (5) that are fixed on mobile foundation (4) both sides respectively; A guide pillar (9) penetrates two slide blocks (5) simultaneously, and guide pillar (9) both ends all are fixed with the external gear (18) that cooperates with tooth bar (10); Be fixed with a gear (19) at guide pillar (9) middle part, this gear (19) cooperates with electrical motor one (14) by reducing gearbox (7).
4, according to each described single ingot vehicle-carrying DVD retractor device of claim 1 to 3, it is characterized in that: described mobile foundation (4) upward is equipped with contact switch (12) on two parallel side walls perpendicular to its translation direction, and two contact switches (12) all connect by the circuit card (11) that circuit and is arranged in the mobile foundation (4); Described circuit card (11) connects with electrical motor one (14), electrical motor two (13) respectively by circuit simultaneously.
5, single ingot vehicle-carrying DVD retractor device according to claim 2 is characterized in that: described speed-change gear box (6) comprises and electrical motor two (13) bonded assembly worm and gears and seven double-layer gears that slow down and cooperate successively; Speed-change gear box (6) afterbody gear cooperates with big gear wheel (8d).
6, single ingot vehicle-carrying DVD retractor device according to claim 3 is characterized in that: described reducing gearbox (7) comprises and electrical motor one (14) bonded assembly worm and gear and four double-layer gears that slow down and cooperate successively; Reducing gearbox (7) afterbody gear cooperates with the gear (19) that is fixed on guide pillar (9) middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202143705U CN201317326Y (en) | 2008-12-12 | 2008-12-12 | Single-ingot car DVD retracting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202143705U CN201317326Y (en) | 2008-12-12 | 2008-12-12 | Single-ingot car DVD retracting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201317326Y true CN201317326Y (en) | 2009-09-30 |
Family
ID=41196095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202143705U Expired - Fee Related CN201317326Y (en) | 2008-12-12 | 2008-12-12 | Single-ingot car DVD retracting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201317326Y (en) |
-
2008
- 2008-12-12 CN CNU2008202143705U patent/CN201317326Y/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090930 Termination date: 20101212 |