CN204712983U - A kind of fixed installation structure of automobile LCD screen - Google Patents
A kind of fixed installation structure of automobile LCD screen Download PDFInfo
- Publication number
- CN204712983U CN204712983U CN201520369463.5U CN201520369463U CN204712983U CN 204712983 U CN204712983 U CN 204712983U CN 201520369463 U CN201520369463 U CN 201520369463U CN 204712983 U CN204712983 U CN 204712983U
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- China
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- lcd screen
- backlight
- screened housing
- plastic rubber
- rubber bracket
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Abstract
The utility model relates to a kind of fixed installation structure of automobile LCD screen, comprise screened housing, LCD screen, backlight, plastic rubber bracket and circuit card, plastic rubber bracket by location and installation on the detent mechanism of circuit card, the first stop gear and the second stop gear is provided with on the top of plastic rubber bracket, and on the extension of plastic rubber bracket, be provided with backlight stitch via hole, backlight is fixed on the first stop gear, the stitch of backlight is installed on circuit boards through backlight stitch via hole, to be arranged in the stitch welding of circuit card, LCD screen is fixed on the second stop gear, and winding displacement is arranged on the winding displacement groove of circuit card through plastic rubber bracket, LCD screen is placed on the upside of backlight, screened housing covers on LCD screen, above the mechanisms such as plastic rubber bracket, bending installation foot is provided with bottom screened housing, to be passed in after the slotted eye of circuit card and twist curved it, by screened housing fixed installation on circuit boards, screened housing, LCD screen, backlight, plastic rubber bracket and circuit card surround fully enclosed reflective areas.
Description
Technical field
The utility model relates to technical field of automotive electronics, particularly relates to automobile LCD liquid crystal display screen, specifically a kind of fixed installation structure for automobile LCD backlight screen.
Background technology
At present, along with the development of society, automobile more and more enters into huge numbers of families.In vehicle electronics electrical component manufacturing technology field, automotive air-conditioning controller is the vitals affecting car load traveling comfort, is the main parts that chaufeur obtains motoring condition information.All with LCD and LCDs in present automotive air-conditioning controller, LCD read-out is a kind of digital display technique, it can filter light source by liquid crystal cell coloured filter, flat panel produces image, have take up room little, low-power consumption, Low emissivity, flicker free, reduces the advantage such as visual fatigue and widespread use.
Automobile LCD screen itself can not be luminous, needs to shield the back side at LCD and arrange that light source (this light source is often called as backlight) illuminates LCD screen.Because automobile is in traveling process, usually can along with violent vibration, likely there is obscission in such LCD screen, affects the part using function of auto meter.Therefore, the installation of automobile LCD screen and fixing, most important.The mounting means of current automobile LCD screen comprises following steps: be first installed on the plastic feet of LCD by backlight, then LCD screen be installed on plastic feet, then screened housing is installed on plastic feet, finally the grounding leg of screened housing has been reversed ground connection.The mounting structure that the utility model patent " the LCD background light mounting structure for automobile " that the patent No. is 201320296363.5 proposes adopts LCD module and astigmatism diaphragm, the projecting block of astigmatism diaphragm side is positioned at the breach of plastic base side, realizes location.Screened housing is in the process being connected to circuit card, the projecting block of astigmatism diaphragm side is bent downwards, and remain between the sidewall of screened housing and the sidewall of plastic base, the flexibility that astigmatism diaphragm has self makes itself and screened housing closely cooperate, to some extent solve in prior art the vibrating noise installed and tightly do not cause, reduce related die cost, but because its remaining of adopting completes installation by LCD module and the pressing of LCD plastic feet, and on gauge, have larger tolerance due to LCD module, still there will be scattering sheet at the production process of reality does not have pressing tight and noise problem, in addition, the cutting due to astigmatism diaphragm relies on easy cutting die or punch die to complete, and its dimensional accuracy is general lower, particularly cutting die class, and its life-span is relatively limited, there is diaphragm size overproof and cannot install in actual production process.
Summary of the invention
The utility model is just for the technical matters existed in prior art, a kind of fixed installation structure of automobile LCD screen is provided, not only ensure that LCD optical property, also ensure that in severe jolt situation, can not there is noise problem in integral installation structure, also improve the percent of pass of electronics compatibility experiment (EMC experiment) of LCD screen simultaneously.
To achieve these goals, the technical solution adopted in the utility model is, a kind of fixed installation structure of automobile LCD screen, comprise screened housing, LCD screen, backlight, plastic rubber bracket and circuit card, the bottom of described plastic rubber bracket is provided with two registration masts, described plastic rubber bracket is fixedly mounted on the detent mechanism on described circuit card by registration mast, the top of described plastic rubber bracket is provided with the first stop gear and the second stop gear, one sidewall of described plastic rubber bracket is provided with extension, and on described extension, be provided with backlight stitch via hole, described backlight fixed placement is on described first stop gear, the stitch of described backlight is installed on stitch access hole reserved on circuit boards through backlight stitch via hole, described LCD screen fixed placement is on described second stop gear, the winding displacement of described LCD screen is installed on winding displacement groove reserved on circuit boards through plastic rubber bracket, described LCD screen is arranged on the upside of backlight, described screened housing is placed on the top of circuit card, four bending installation feet are provided with bottom described screened housing, described bending installation foot is also twisted the curved installation foot of bending through after installation slotted eye reserved on circuit boards, thus by screened housing fixed installation on circuit boards, described screened housing, LCD screen, backlight, plastic rubber bracket and circuit card surround fully enclosed reflective areas.
Improve as one of the present utility model, the shape of described plastic rubber bracket is in " H " type, its two ends, left and right are provided with rectangular support body, centre is provided with the crossbeam that two connect left and right rectangular support body, described rectangular support body and crossbeam surround a hollow rectangle frame, described first stop gear and the second stop gear protrude the top being arranged on rectangular support body, and the first stop gear is positioned at the inner side of the second stop gear; Described rectangular support body offers rectangular channel, described rectangular channel is provided with two towards relative and can the boss mechanism of Light deformation; Described registration mast is arranged on the bottom of rectangular support body, and registration mast to protrude bottom rectangular support body one section, and the sidewall of described rectangular support body is provided with screened housing location prism.
Improve as one of the present utility model, described first stop gear adopts multiple measure-alike backlight mounting block circummure to become, described second stop gear adopts multiple LCD screen mounting block circummure to become, and the detent mechanism on described circuit card is two circular locating openings.
Improve as one of the present utility model, the number that described backlight installs barricade is 2 ~ 6, and the number that described LCD screen installs barricade is 4 ~ 8, and preferably, the number that described backlight installs barricade is 4, and the number that described LCD screen installs barricade is 8.
Improve as one of the present utility model, described screened housing is the metallic shield adopting metallic material to make.
Improve as one of the present utility model, the top of described screened housing offers LCD screen display box, be arranged in four the bending installation feet be provided with bottom screened housing two bending installation feet on front side of screened housing towards unanimously, be arranged on the left of screened housing and bending installation foot towards the opposite on right side, below the sidewall of described screened housing, offer the draw-in groove of to locate prism with described screened housing and locating mutually.
Improve as one of the present utility model, described bending installation foot is " L " shape installation buckle with gradient, this gradient is nearly 90 degree, bending installation foot is made also to block circuit card firmly through twisting after bending turns through after the installation slotted eye in circuit card, thus ensure that screened housing and circuit card are connected firmly, ensure the stability of LCD screen assembling.
Improve as one of the present utility model, described backlight inside is provided with light source led lamp.
Improve as one of the present utility model, described installation slotted eye is waist-shaped hole or slot.
Relative to prior art, advantage of the present utility model is as follows, 1) unit design is ingenious, and simple and reliable for structure, and disassembly and assembly convenient maintenance and replacement, cost are lower; 2) whole mounting structure is compact, reliable, LCD optical property can not only be ensured, also ensure that the stability of automobile LCD screen assembling in sharp pounding situation simultaneously, and do not use any fastener and adhesive agent in whole fitting process, greatly reduce volume production cost; 3) the first stop gear is set on plastic rubber bracket top and the second stop gear fixedly mounts backlight and LCD screen respectively, reduce the requirement to backlight and LCD screen formed precision, and the small boss structure of Light deformation is carried out by extruding, adjust the extruding of LCD screen and other structures, ensureing the reliability improving assembling under the prerequisite that LCD screen normally works further, thus thoroughly solving because installing the vibrating noise tightly do not caused; 4) adopt metallic shield to be conducive to product to be tested by EMC smoothly, LCD screen, backlight and plastic rubber bracket entirety can wrap by metallic shield, and to be matched with the installation slotted eye on circuit card by four bending installation feet arranging bottom it and install, and prism can be located with the screened housing on plastic rubber bracket at the locating groove that metallic shield lower sidewall is provided with effectively to coordinate, further enhancing the stability of assembling.
Accompanying drawing explanation
Fig. 1 is perspective exploded view of the present utility model.
Fig. 2 is the assembling schematic diagram of metallic shield of the present utility model and circuit card.
The structural representation of plastic rubber bracket of Fig. 3 for adopting in the utility model embodiment.
The structural representation of metallic shield of Fig. 4 for adopting in the utility model embodiment.
The structural representation of circuit card of Fig. 5 for adopting in the utility model embodiment.
In figure: 1-screened housing, 11-LCD shields display box, 12-bending installation foot, 13-locating groove, 14-rectangular ventilation is uncovered, 2-LCD screen, 3-backlight, 4-plastic rubber bracket, 401-rectangular support body, 402-crossbeam, 403-hollow rectangle frame, 404-backlight installs barricade, and barricade installed by 405-LCD screen, 406-rectangular channel, 407-boss mechanism, 408-extension, 409-backlight stitch via hole, 410-registration mast, 411-screened housing location prism, 5-circuit card, 51-knock hole, 52-stitch access hole, 53-installs slotted eye.
Detailed description of the invention
In order to deepen understanding and cognition of the present utility model, below in conjunction with accompanying drawing and the embodiment of this mounting structure Successful utilization in certain vehicle airconditioning control module is further described the utility model and introduces.
As Figure 1-Figure 5, a kind of fixed installation structure of automobile LCD screen, comprise screened housing 1, LCD screen 2, backlight 3, plastic rubber bracket 4 and circuit card 5, the bottom of described plastic rubber bracket 4 is provided with two registration masts 410, described circuit card 5 is reserved with two knock holees 51, described plastic rubber bracket 4 is fixedly mounted on by registration mast on the knock hole 51 on described circuit card.The shape of described plastic rubber bracket 4 is in " H " type, and its two ends, left and right are provided with rectangular support body 401, and centre is provided with the crossbeam 402 that two connect left and right rectangular support body, and described rectangular support body 401 and crossbeam 402 surround a hollow rectangle frame 403.Protrude on the top of rectangular support body 401 to be provided with and install the first stop gear that barricade 404 forms and the second stop gear be made up of 8 LCD screen installation barricades 405 by the backlight of 4 same sizes, the first stop gear is positioned at the inner side of the second stop gear.Described rectangular support body 401 offers rectangular channel 406, the length direction of described rectangular channel 406 is provided with two towards relative and can the boss mechanism 407 of Light deformation.One sidewall of described plastic rubber bracket 4 is provided with extension 408, and backlight stitch via hole 409 is provided with on described extension 408, described backlight 3 fixed placement is on described first stop gear and contact with boss mechanism 407, and the stitch of described backlight 3 is installed on stitch access hole 52 reserved on circuit boards through backlight stitch via hole 409.Described LCD screen 2 fixed placement is on described second stop gear, and the winding displacement of described LCD screen 2 is installed on winding displacement groove reserved on circuit boards through the hollow rectangle frame of plastic rubber bracket 4, and described LCD screen 2 is placed on the upside of backlight 3.Light source led lamp is provided with in the inside of described backlight 3.
Described registration mast 410 is arranged on the bottom of rectangular support body 401, and registration mast to protrude bottom rectangular support body one section, and three sidewalls of described rectangular support body 401 are respectively provided with a screened housing location prism 411.Described screened housing 1 is the metallic shield adopting metallic material to make.The top of metallic shield offers LCD screen display box 11, for outstanding LCD screen, be arranged in four the bending installation feet 12 be provided with bottom screened housing two bending installation feet 12 on front side of screened housing towards unanimously, be arranged on the left of screened housing and bending installation foot 12 towards the opposite on right side, described bending installation foot 12 is " L " shape installation buckle with gradient, and this gradient is nearly 90 degree.Offer the locating groove 13 being connected prism 411 with described screened housing and adapting below the sidewall of screened housing, and also offer rectangular ventilation uncovered 14, for radiating and cooling in the rear side middle part of screened housing.Twist the curved installation foot of bending after described bending installation foot 12 is installed slotted eye 53 through oblong reserved on circuit boards, thus by screened housing fixed installation on circuit boards, described screened housing 1, LCD screen 2, backlight 3, plastic rubber bracket 4 and circuit card 5 surround fully enclosed reflective areas.
Whole fixed installation smart structural design is practical, not only ensure that the optical property of automobile LCD screen, also ensure that the stability of automobile LCD screen assembling in sharp pounding situation simultaneously, and in whole fitting process, do not use any fastener and adhesive agent, greatly reduce the fraction defective producing line and occur because of batches of materials problem, decrease and do over again and client returns, reduce volume production cost.
The fixed installation structure concrete fitting process in use of the automobile LCD screen that the utility model proposes is as follows:
The first step, to be placed on circuit card in mounting tool and to set level, and by plastic rubber bracket by the registration mast grafting of bottom knock hole on circuit boards, passing hole post coordinates, and completes location and the installation of plastic rubber bracket;
Second step, first backlight is alignd with the first stop gear on plastic rubber bracket, then press gently backlight by its side two stitch through plastic rubber bracket extension two backlight stitch via holes and through stitch access hole reserved on circuit card, backlight is assembled to backlight mounting block on plastic rubber bracket within the walls;
3rd step, LCD screen is assemblied in directly over backlight, and LCD screen is alignd with the second stop gear on plastic rubber bracket, then press LCD screen gently and be assembled to LCD screen mounting block on plastic rubber bracket within the walls, and the winding displacement of LCD screen is installed through the winding displacement groove that the hollow rectangle frame in the middle of plastic rubber bracket and circuit card are reserved;
4th step, fastens the above mechanism assembled by metallic shield, and the bending installation foot bottom metallic shield is installed slotted eye through oblong reserved on circuit card;
5th step, above mounted whole mechanism is carried out 180 degree of upsets, twist all bending installation feet on curved metallic shield (because the bending installation foot of metallic shield is with the gradient of nearly 90 degree, twist curved after can clamp circuit card), finally two of backlight stitch are welded on circuit card, thus complete the installation of total.
It should be noted that above-described embodiment, be not used for limiting protection domain of the present utility model, equivalents done on the basis of technique scheme or the alternative scope all falling into the utility model claim and protect.In the claims, word " comprises " not to be got rid of existence and does not arrange element in the claims, and first, second use of word does not represent any order, can be title by these word explanations.
Claims (9)
1. the fixed installation structure of an automobile LCD screen, it is characterized in that: comprise screened housing, LCD screen, backlight, plastic rubber bracket and circuit card, the bottom of described plastic rubber bracket is provided with two registration masts, described plastic rubber bracket is fixedly mounted on the detent mechanism of described circuit card by registration mast, the top of described plastic rubber bracket is provided with the first stop gear and the second stop gear, one sidewall of described plastic rubber bracket is provided with extension, and on described extension, be provided with backlight stitch via hole, described backlight fixed placement is on described first stop gear, the stitch of described backlight is installed on stitch access hole reserved on circuit boards through backlight stitch via hole, described LCD screen fixed placement is on described second stop gear, the winding displacement of described LCD screen is installed on winding displacement groove reserved on circuit boards through plastic rubber bracket, described LCD screen is arranged on the upside of backlight, described screened housing is arranged on the top of circuit card, bending installation foot is provided with bottom described screened housing, described bending installation foot is also twisted the curved installation foot of bending through after installation slotted eye reserved on circuit boards, thus by screened housing fixed installation on circuit boards, described screened housing, LCD screen, backlight, plastic rubber bracket and circuit card surround fully enclosed reflective areas.
2. the fixed installation structure of a kind of automobile LCD screen as claimed in claim 1, it is characterized in that, the shape of described plastic rubber bracket is in " H " type, its two ends, left and right are provided with rectangular support body, centre is provided with the crossbeam that two connect left and right rectangular support body, described rectangular support body and crossbeam surround a hollow rectangle frame, and described first stop gear and the second stop gear protrude the top being arranged on rectangular support body, and the first stop gear is positioned at the inner side of the second stop gear; Described rectangular support body offers rectangular channel, described rectangular channel is provided with two towards relative and can the boss mechanism of Light deformation; Described registration mast is arranged on the bottom of rectangular support body, and the sidewall of described rectangular support body is provided with screened housing location prism.
3. the fixed installation structure of a kind of automobile LCD screen as claimed in claim 1 or 2, it is characterized in that, described first stop gear adopts multiple backlight mounting block circummure to become, described second stop gear adopts multiple LCD screen mounting block circummure to become, and the detent mechanism on described circuit card is two circular locating openings.
4. the fixed installation structure of a kind of automobile LCD screen as claimed in claim 3, is characterized in that, the number that described backlight installs barricade is 4 ~ 6, and the number that described LCD screen installs barricade is 4 ~ 8.
5. the fixed installation structure of a kind of automobile LCD screen as claimed in claim 1, is characterized in that, described screened housing is the metallic shield adopting metallic material to make.
6. the fixed installation structure of a kind of automobile LCD screen as claimed in claim 5, it is characterized in that, the top of described screened housing offers LCD screen display box, be arranged in four the bending installation feet be provided with bottom screened housing two bending installation feet on front side of screened housing towards unanimously, be arranged on the left of screened housing and bending installation foot towards the opposite on right side, below the sidewall of described screened housing, offer the draw-in groove of to locate prism with the screened housing of described plastic rubber bracket and locating mutually.
7. the fixed installation structure of a kind of automobile LCD screen as described in claim 1 or 6, is characterized in that, described bending installation foot is " L " shape installation buckle with gradient.
8. the fixed installation structure of a kind of automobile LCD screen as claimed in claim 1, is characterized in that, described installation slotted eye is waist-shaped hole or slot.
9. the fixed installation structure of a kind of automobile LCD screen as claimed in claim 1, is characterized in that, described backlight inside is provided with light source led lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520369463.5U CN204712983U (en) | 2015-06-02 | 2015-06-02 | A kind of fixed installation structure of automobile LCD screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520369463.5U CN204712983U (en) | 2015-06-02 | 2015-06-02 | A kind of fixed installation structure of automobile LCD screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204712983U true CN204712983U (en) | 2015-10-21 |
Family
ID=54312002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520369463.5U Withdrawn - After Issue CN204712983U (en) | 2015-06-02 | 2015-06-02 | A kind of fixed installation structure of automobile LCD screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204712983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875689A (en) * | 2015-06-02 | 2015-09-02 | 延锋伟世通电子科技（南京）有限公司 | Fixed mounting structure for automotive LCD (Liquid Crystal Display) screen |
-
2015
- 2015-06-02 CN CN201520369463.5U patent/CN204712983U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104875689A (en) * | 2015-06-02 | 2015-09-02 | 延锋伟世通电子科技（南京）有限公司 | Fixed mounting structure for automotive LCD (Liquid Crystal Display) screen |
| CN104875689B (en) * | 2015-06-02 | 2018-12-11 | 延锋伟世通电子科技（南京）有限公司 | A kind of fixed installation structure of automobile LCD screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151021 Effective date of abandoning: 20181211 |
|
| AV01 | Patent right actively abandoned |