CN2918158Y - Liquid crystal screen on position switch for vehicle-carrying television - Google Patents
Liquid crystal screen on position switch for vehicle-carrying television Download PDFInfo
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- CN2918158Y CN2918158Y CN 200620085473 CN200620085473U CN2918158Y CN 2918158 Y CN2918158 Y CN 2918158Y CN 200620085473 CN200620085473 CN 200620085473 CN 200620085473 U CN200620085473 U CN 200620085473U CN 2918158 Y CN2918158 Y CN 2918158Y
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- liquid crystal
- crystal display
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- place
- conductive
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Abstract
The utility model discloses a switch for LED of a new type car TV set, relating to a testing switch on a turnover position used for the car TV set LCD. The switch is of a rotation bracket fixed at the bottom of LCD and fixed at an outlet axis of a motor. An outward extended conductive stub at the axial side on the rotation bracket is used at a dynamic contact arm of the switch. Under the conductive stub is provided with an insulative stiff fixing frame. Two conductive board fixed on the fixing frame are used as two fixing contact of the switch. The two conductive boards are arranged at two sides of axes of the rotary bracket to limit the rotation angel range of the rotary bracket in cooperation of the conductive stub. When the LCD switches on, the conductive stub props a conductive board; when the LCD switches off, the conductive stub is to prop the other conductive board; the frame and TV set are fixed at TV set body. The utility model can overcome the problems of unreliable contact and low accuracy of single switches.
Description
Technical field
The utility model relates to the upturned position detector switch that a kind of on-board liquid crystal television machine uses.
Background technology
In order to make good visual effect and clean and tidy is arranged in the car, the on-board liquid crystal television machine is designed to liquid crystal display convertible usually.The bottom of liquid crystal display is fixed on the swinging strut, and swinging strut is fixed on the output shaft of the DC speed-reducing that is made of DC machine and drop-gear box.When needs are watched telecast, liquid crystal display is opened (be designated hereinafter simply as and open) from the vision receiver body, roughly be erected to be presented in the passenger in face of; And when not needing to watch telecast, with the liquid crystal display approximate horizontal turn back on the vision receiver body and (be designated hereinafter simply as and close).The flip-flop movement of liquid crystal display provides kinetic moment by DC speed-reducing, is provided liquid crystal display to open and is turned back the judgement signal that puts in place of angle orientation by location switch.Adopt commercially available monomer-type mechanical switch or close electric switch as the location switch of flip angle location is general, this class switch usage condition lower contact of high vibration in vehicle ' easily is hit and impaired, the fault rate height, and accuracy of positioning is inaccurate.Particularly when the location switch bad contact or because position error causes location switch not during normal operation, DC speed-reducing is rotated further and will causes the damage of whole liquid crystal display.
The utility model content
The utility model aim to provide a kind of simple in structure, the contact that puts in place is reliable, the liquid crystal display location switch of the accurate in-car TV machine in location.
The technical solution of the utility model is: the liquid crystal display location switch of in-car TV machine comprises the bottom of a captive joint liquid crystal display and is fixed on swinging strut on the motor output shaft; The axial lateral surface of this swinging strut has the acting arm of an outward extending conducting boss as this switch; The below of conducting boss is provided with the frame that rigidly fixes that an insulating material makes, and two conductive plates of this fixed mount upper surface fixed installation are as two fixed contacts of this switch; Two conductive plates lay respectively at the both sides of swinging strut axis, cooperate the common rotational angle range that limits swinging strut with conducting boss, liquid crystal display is conductive plate of conducting boss contact when opening the state that puts in place, and liquid crystal display another conductive plate of conducting boss contact when closing the state that puts in place; Fixed mount and motor all are fixed on the vision receiver body.
For increasing the mechanical strength of conducting boss: described conducting boss is fan-shaped boss, and two inclined-plane is respectively among two conductive plates one contact surface.
In the embodiment that optimizes: described fixed mount upper surface be positioned at the orthogonal projection of conducting boss path of motion under half be recessed step, establish the non-conductive shock pad between the step upper surface that this is recessed and two conductive plates.
In the embodiment of special recommendation: described swinging strut and conducting boss thereof are that aluminum alloy is integrated, are provided with the interior cover of a steel between swinging strut and the motor output shaft; The peripheral dimension of interior cover matches with the shaft hole of swinging mounting, and interior all sizes match with the output shaft of motor.
The output shaft ground connection of described motor.
The liquid crystal display location switch of the utility model in-car TV machine utilizes the acting arm of the outward extending conducting boss of the axial lateral surface of swinging strut as this switch; The below insulating material of conducting boss is made rigidly fixes two fixed contacts of hard-wired two conductive plates of frame upper surface as this switch; Conductive plate, fixed mount and swinging strut are that the material of rigidity is made, and intensity can tolerate bigger impact well; Angle orientation directly guarantees the accurate positioning that rigidity cooperates by the working accuracy of above-mentioned part and has avoided the assembly error of monomer-type switch, guaranteed that from structure each parts can not become flexible and be shifted under the usage condition of Vehicular vibration, the accurate positioning raising, the contact more reliable.The fixed mount of rigidity limits swinging strut and can only rotate in fixing angular range, and swinging strut puts the back conducting boss in place by the output torque of corresponding conductive plate to fixed mount transmission DC machine.Swinging strut is subjected to the restriction of fixed mount under abnormal condition such as DC machine is out of control, and the output torque of rotating motor when being obstructed all acts on fixed mount, makes unusual output torque effect can not be diffused into liquid crystal display, also protects other parts of complete machine.In the embodiment that optimizes, by between the recessed step upper surface in fixed mount upper surface place and two conductive plates, establishing the non-conductive shock pad, conducting boss was to the impact of corresponding conductive plate after the minimizing swinging strut put in place, elasticity by shock pad has increased the reliability that conducting boss contacts with corresponding conductive plate again, can be chosen in simultaneously and making motor be rotated further a minor time slice a little after upset puts in place to stop again, eliminate the gap that each rotating mechanism produces, do not rock after liquid crystal display is put in place.Thereby save the hold-fast body that generally uses in the liquid crystal display switching mechanism of general in-car TV machine.Therefore, the utility model can overcome the above shortcoming of original technology, and have simple in structure, the contact that puts in place is reliable, locate accurate advantage.In the embodiment of special recommendation, aluminum alloy is integrated, and to have a general plastic product of swinging strut intensity ratio of conducting boss good, and the interior cover of steel can increase the joint face between swinging strut and the motor output shaft, improves durability.The output shaft ground connection of motor particularly, the interior cover of steel has served as the connection lead between conducting boss and the ground, and the conducting boss of motion does not need to connect in addition the lead of motion, and electrical connection is simple.
Description of drawings
Fig. 1 is the deployed configuration scheme drawing of an embodiment of liquid crystal display location switch of the utility model in-car TV machine.
The perspective view that Fig. 2 closes the state of putting in place for Fig. 1 embodiment at liquid crystal display.
Fig. 3 is in the perspective view of motion intermediateness at liquid crystal display for Fig. 1 embodiment.
Fig. 4 opens the perspective view of the state of putting in place at liquid crystal display for Fig. 1 embodiment.
The specific embodiment
The embodiment deployed configuration of an optimization of liquid crystal display location switch of the utility model in-car TV machine, as shown in Figure 1.The liquid crystal display location switch of this in-car TV machine is by forming with lower member: open the detection lug 1 that puts in place, the conducting boss 52 on detection lug 2, fixed mount 3, shock pad 4 and the swinging strut 5 of putting in place of closing.
Opening the detection lug 1 that puts in place is the conductive plate that adopts rustless conductive material to make, and in order to be fixed on the fixed mount 3, its waist is provided with two screw via holes 11.Open the switch fixed contact that puts in place as liquid crystal display, its end is opened the test side that puts in place by flex lead with the liquid crystal display of in-car TV machine control desk and is connected.
The detection lug 2 that puts in place of closing is the conductive plates that adopt rustless conductive material to make, and in order to be fixed on the fixed mount 3, its waist is provided with two screw via holes 21.As the switch fixed contact that liquid crystal display closes and puts in place, its end is connected by the close test side that puts in place of the flex lead and the liquid crystal display of in-car TV machine control desk.
Fixed mount 3 is the rigid supports that adopt insulating material to make, and half of its upper surface 31 is recessed step 32.Second half of fixed mount 3 upper surfaces 31, rear side is in order fixedly to open the detection lug 1 that puts in place, and two screw via holes 11 that correspondence is opened the detection lug 1 that puts in place are provided with two screws 33; The front side is for the detection lug 2 that puts in place that fixedly closes, and close put in place two screw via holes 21 of detection lug 2 of correspondence are provided with two screws 34.
During preliminary assembling, will open the detection lug 1 and closing of putting in place the detection lug 2 that puts in place with screw and be fixed on after the upper surface 31 of fixed mount 3, be opened detection lug 1 and the closing detection lug 2 that puts in place that puts in place of shock pad 4 is pressed in step 32 upper surfaces on the fixed mount 3.
The interior cover 6 of a steel is installed between the output shaft 71 of the shaft hole 51 of swinging strut 5 and motor 7, and swinging strut 5 is fixed on the output shaft 71 of motor 7.The peripheral dimension of interior cover 6 matches with the shaft hole 51 of swinging mounting 5, and interior all sizes match with the output shaft 71 of motor 7.
Liquid crystal display is when closing the state that puts in place, as shown in Figure 2.The liquid crystal display connecting portion 53 of swinging strut 5 is roughly parallel with adapter plate 9, and liquid crystal display is also roughly parallel with adapter plate 9.Put in place the upper surface of detection lug 2 of closing on the inclined-plane 522 contact fixed mounts 3 of conducting boss 52 front sides.The inclined-plane 521 of conducting boss 52 rear sides is away from put in place the upper surface of detection lug 1 of opening on the fixed mount 3.Because the output shaft 71 of motor 7 is ground connection in advance, the close test side current potential that puts in place of corresponding liquid crystal screen is a zero level on the in-car TV machine control desk, and liquid crystal display to open the test side current potential that puts in place be high level.
In the time of need opening liquid crystal display, the direction that in-car TV machine control desk control motor 7 output shafts 71 driven in rotation supports 5 are opened to liquid crystal display is rotated.When swinging strut 5 is in the motion process as shown in Figure 3, liquid crystal display is in the motion intermediateness; Detection lug 1 and the closing detection lug 2 that puts in place that puts in place of opening on the fixed mount 3 is all separated to form with conducting boss 52 and is opened circuit, the close test side current potential that puts in place of corresponding liquid crystal screen is a high level on the in-car TV machine control desk, and liquid crystal display is opened the test side current potential that puts in place and also is high level.When forwarding roughly the liquid crystal display vertical with adapter plate 9 to, swinging strut 5 opens when putting in place as shown in Figure 4 the upper surface of opening the detection lug 1 that puts in place on the inclined-plane 521 contact fixed mounts 3 of conducting boss 52 rear sides.The close test side current potential that puts in place of corresponding liquid crystal screen is a high level on the in-car TV machine control desk, and liquid crystal display to open the test side current potential that puts in place be low level, illustrate that the liquid crystal display upset puts in place, in-car TV machine control desk is controlled motor 7 and is stopped operating.
In the time of need closing liquid crystal display, in-car TV machine control desk control motor 7 output shafts 71 driven in rotation supports 5 rotate to the direction that liquid crystal display closes.When swinging strut 5 is in the motion process as shown in Figure 3, liquid crystal display is in the motion intermediateness; Detection lug 1 and the closing detection lug 2 that puts in place that puts in place of opening on the fixed mount 3 is all separated to form with conducting boss 52 and is opened circuit, the close test side current potential that puts in place of corresponding liquid crystal screen is a high level on the in-car TV machine control desk, and liquid crystal display is opened the test side current potential that puts in place and also is high level., closes when putting in place as shown in Figure 2 swinging strut 5 put in place the upper surface of detection lug 2 of closing on the inclined-plane 522 contact fixed mounts 3 of conducting boss 52 front sides when forwarding roughly the liquid crystal display parallel with adapter plate 9 to.The inclined-plane 521 of conducting boss 52 rear sides is away from put in place the upper surface of detection lug 1 of opening on the fixed mount 3.The close test side current potential that puts in place of corresponding liquid crystal screen is a zero level on the in-car TV machine control desk, illustrate that the liquid crystal display upset puts in place, and in-car TV machine control desk is controlled motor 7 and stopped operating.
When opening liquid crystal display or closing liquid crystal display, shock pad 4 is after swinging strut 5 drive liquid crystal displays put in place, all resorption is received 52 pairs of conducting boss and is opened to a detection lug 1 or closes the impact of detection lug 2 of putting in place, the elasticity of shock pad 4 has increased conducting boss 52 and has opened the detection lug 1 or close of putting in place the reliability that detection lug 2 contacts that puts in place, eliminate the gap that each rotating mechanism produces simultaneously, do not rock after liquid crystal display is put in place.
The above only is the utility model preferred embodiment, does not limit the scope that the utility model is implemented with this, and the equivalence of doing according to the technical solution of the utility model and description changes and modification, all should belong to the scope that the utility model is contained.
Claims (5)
1. the liquid crystal display location switch of in-car TV machine comprises the bottom of a captive joint liquid crystal display and is fixed on swinging strut on the motor output shaft; It is characterized in that: the axial lateral surface of this swinging strut has the acting arm of an outward extending conducting boss as this switch; The below of conducting boss is provided with the frame that rigidly fixes that an insulating material makes, and two conductive plates of this fixed mount upper surface fixed installation are as two fixed contacts of this switch; Two conductive plates lay respectively at the both sides of swinging strut axis, cooperate the common rotational angle range that limits swinging strut with conducting boss, liquid crystal display is conductive plate of conducting boss contact when opening the state that puts in place, and liquid crystal display another conductive plate of conducting boss contact when closing the state that puts in place; Fixed mount and motor all are fixed on the vision receiver body.
2. the liquid crystal display location switch of in-car TV machine according to claim 1 is characterized in that: described conducting boss is fan-shaped boss, and two inclined-plane is respectively among two conductive plates one contact surface.
3. the liquid crystal display location switch of in-car TV machine according to claim 1 and 2, it is characterized in that: described fixed mount upper surface is positioned under the orthogonal projection of conducting boss path of motion half for recessed step, establishes the non-conductive shock pad between the step upper surface that this is recessed and two conductive plates.
4. the liquid crystal display location switch of in-car TV machine according to claim 1 and 2 is characterized in that: described swinging strut and conducting boss thereof are that aluminum alloy is integrated, are provided with the interior cover of a steel between swinging strut and the motor output shaft; The peripheral dimension of interior cover matches with the shaft hole of swinging mounting, and interior all sizes match with the output shaft of motor.
5. the liquid crystal display location switch of in-car TV machine according to claim 4 is characterized in that: the output shaft ground connection of described motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620085473 CN2918158Y (en) | 2006-06-08 | 2006-06-08 | Liquid crystal screen on position switch for vehicle-carrying television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620085473 CN2918158Y (en) | 2006-06-08 | 2006-06-08 | Liquid crystal screen on position switch for vehicle-carrying television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2918158Y true CN2918158Y (en) | 2007-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620085473 Expired - Fee Related CN2918158Y (en) | 2006-06-08 | 2006-06-08 | Liquid crystal screen on position switch for vehicle-carrying television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2918158Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102730053A (en) * | 2011-03-29 | 2012-10-17 | 光阳工业股份有限公司 | All-terrain vehicle electronic steering device with limit function |
| CN107508170A (en) * | 2017-09-07 | 2017-12-22 | 合肥虹光电气股份有限公司 | A kind of convertible distribution box |
-
2006
- 2006-06-08 CN CN 200620085473 patent/CN2918158Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102730053A (en) * | 2011-03-29 | 2012-10-17 | 光阳工业股份有限公司 | All-terrain vehicle electronic steering device with limit function |
| CN102730053B (en) * | 2011-03-29 | 2016-08-03 | 光阳工业股份有限公司 | The all-terrain vehicle electronic steering device of tool limit function |
| CN107508170A (en) * | 2017-09-07 | 2017-12-22 | 合肥虹光电气股份有限公司 | A kind of convertible distribution box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIAMEN SHAHUA NEW TECHNOLOGY CO., LTD. ADDRESS Free format text: FORMER OWNER: XIAMEN OVERSEAS CHINESE ELECTRONIC ENTERPRISE CO., LTD. ADDRESS Effective date: 20081121 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20081121 Address after: Xiamen City, Fujian Province, Xinfeng Road No. 178, Xiamen Overseas Chinese Electronics Industrial Park, zip code: 361006 Patentee after: Xiamen Xihua New Technology Co., Ltd. Address before: 22, Huli Avenue, Xiamen, Fujian Province, China: 361006 Patentee before: Xiamen Overseas Chinese Electronic Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xiamen Xihua New Technology Co., Ltd. Assignor: Xiamen Huaqiao Electronic Enterprise Co., Ltd. Contract fulfillment period: 2008.10.6 to 2013.10.6 Contract record no.: 2008351000006 Denomination of utility model: LCD screen switch of onboard TV set Granted publication date: 20070704 License type: Exclusive license Record date: 20081029 |
|
| ASS | Succession or assignment of patent right |
Owner name: XIAMEN SHAHUA NEW TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XIAMEN OVERSEAS CHINESE ELECTRONIC ENTERPRISE CO., LTD. Effective date: 20081121 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.10.6 TO 2013.10.6; CHANGE OF CONTRACT Name of requester: XIAMEN SHAHUA NEW TECHNOLOGY CO., LTD. Effective date: 20081029 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070704 Termination date: 20110608 |