CN202001441U - Liquid crystal module installing structure, liquid crystal module and display device - Google Patents
Liquid crystal module installing structure, liquid crystal module and display device Download PDFInfo
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- CN202001441U CN202001441U CN2011200699003U CN201120069900U CN202001441U CN 202001441 U CN202001441 U CN 202001441U CN 2011200699003 U CN2011200699003 U CN 2011200699003U CN 201120069900 U CN201120069900 U CN 201120069900U CN 202001441 U CN202001441 U CN 202001441U
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- liquid crystal
- crystal module
- source plate
- screw
- mounting structure
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Abstract
The utility model discloses a liquid crystal module installing structure, a liquid crystal module and a display device. The liquid module installing structure comprises a source plate, a rubber frame stuck to the source plate, a back plate arranged inside the rubber frame and a locking part, wherein the tail portion of the locking part penetrates through the source plate and the rubber frame and is fixed on the back plate, and radial clearances are arranged between the locking part and the source plate and between the locking part and the rubber frame. The head portion of the locking part is provided with a stopping structure, and axial clearances are arranged between the stopping structure and the source plate. The liquid crystal module installing structure can more effectively release energy which is generated by heating or impact and can lead the source plate to deform through expansion, thereby protecting the source plate better. The liquid crystal module comprises the liquid crystal module installing structure. The display device comprises the liquid crystal module installing structure.
Description
Technical field
The utility model relates to field of display devices, in particular to a kind of liquid crystal module mounting structure, liquid crystal module and display device.
Background technique
Cathode fluorescent tube (Cold Cathode Fluorescent Lamp, abbreviate CCFL as) integrated circuit printing plate (Printed Circuit Board Integrated, abbreviate PCBI as) the means of fixation of SOURCE plate have significant effects for the mounting structure of liquid crystal module, good means of fixation not only can make liquid crystal module have better resistance to heat, but also can bear bigger percussion, improve the usability of liquid crystal module.
Each present module company for the PCBI SOURCE plate of CCFL liquid crystal module, adopts top set after the bending mostly, and the mode that relies on screw or glue frame to play locating column then fixes.As depicted in figs. 1 and 2, wherein Fig. 2 is the structure for amplifying schematic representation that L ' locates among Fig. 1, as can be seen from the figure, SOURCE plate 10 ' and 20 ' the adjacent setting of glue frame, and be placed on the outside of backboard 30 ', backboard 30 ' is provided with bolt hole, and the hole that screw 40 ' passes on SOURCE plate 10 ' and the glue frame 20 ' is fixed on the backboard 30 ' by being threaded.Between screw 40 ' and the SOURCE plate 10 ', be provided with radial clearance between screw 40 ' and the glue frame 20 ', the screw head of screw 40 ' is pressed on the SOURCE plate 10 ', and SOURCE plate 10 ' is formed good fixed structure.
In this fixed structure, behind screw 40 ' locking SOURCE plate 10 ', in transportation process or in other the unsettled working environment, if SOURCE plate 10 ' is heated or is impacted, then expand distortion easily, though have radial clearance can play regulating action to a certain extent,, cause because the distortion perk problem of expanded by heating or the SOURCE10 ' that impact caused can not be well solved because screw 40 ' compresses SOURCE plate 10 '.
The model utility content
Can not protect the problem of SOURCE plate well and propose the utility model at liquid crystal module mounting structure of the prior art; for this reason; main purpose of the present utility model is to provide a kind of liquid crystal module mounting structure, liquid crystal module and display device, to address the above problem.
To achieve these goals, according to an aspect of the present utility model, provide a kind of liquid crystal module mounting structure.This liquid crystal module mounting structure comprises: the SOURCE plate; The glue frame is arranged on SOURCE plate inboard; Backboard is arranged on glue frame inboard; Locking element, afterbody passes the SOURCE plate and the glue frame is fixedly installed on the backboard, between locking element and the SOURCE plate, all have radial clearance between locking element and the glue frame, the locking element head is provided with stop configurations, has axial clearance between stop configurations and the SOURCE plate.
To achieve these goals, according on the other hand of the present utility model, provide a kind of liquid crystal module.This liquid crystal module comprises liquid crystal module mounting structure provided by the utility model.
According to one side more of the present utility model, also provide a kind of display device.This display device comprises liquid crystal module mounting structure provided by the utility model and/or liquid crystal module.
According to the technical solution of the utility model, link together with locking element between the SOURCE plate of liquid crystal module mounting structure, glue frame and the backboard, all has radial clearance between locking element and SOURCE plate and the glue frame, locking element comprises stop configurations, has axial clearance between stop configurations and the SOURCE plate.When SOURCE plate expanded by heating or when being hit dilatancy, because radial clearance and and stop configurations between the existence of axial clearance, deformation-energy can avoid taking place buckling deformation to radially gap or axial clearance release, has guaranteed the structure stability of SOURCE plate.The screw rod of lock screw has step, and step is pressed on the backboard, can form advantages of good positioning effect, guarantees the axial clearance between screw head and the SOURCE.Lock screw has the self-locking thread structure, can effectively prevent the counter-rotating of lock screw, guarantees the stable of connecting structure.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic representation according to a kind of liquid crystal module mounting structure of prior art;
Fig. 2 is the structure for amplifying schematic representation according to the L place of Fig. 1;
Fig. 3 is the plan view according to the utility model embodiment's liquid crystal module mounting structure;
Fig. 4 is the structural representation of looking up according to the utility model embodiment's liquid crystal module mounting structure;
Fig. 5 is that A-A according to Fig. 3 is to the sectional structure schematic representation;
Fig. 6 is the structure for amplifying schematic representation according to the L place of Fig. 5;
Fig. 7 is the structural representation according to a kind of lock screw of the utility model embodiment; And
Fig. 8 is the structural representation according to the utility model embodiment's another kind of lock screw.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
SOURCE plate in the utility model refers to TFT LCD source driving plate.
Fig. 3 is the plan view according to the utility model embodiment's liquid crystal module mounting structure.
As shown in Figure 3, and combination is referring to Fig. 6, this liquid crystal module mounting structure comprises SOURCE plate 10, glue frame 20 and backboard 30, glue frame 20 is arranged on SOURCE plate 10 inboards, backboard 30 is arranged on glue frame 20 inboards, and the afterbody of locking element passes SOURCE plate 10 and glue frame 20, and finally is fixedly installed on the backboard 30, SOURCE plate 10, glue frame 20 and backboard 30 are linked together, between locking element and the SOURCE plate 10, all have radial clearance between locking element and the glue frame 20.Head at locking element is provided with stop configurations, has axial clearance between this stop configurations and the SOURCE plate 10.
In above-mentioned liquid crystal module mounting structure, because between locking element and the SOURCE plate 10, all have radial clearance between locking element and the glue frame 20, therefore, SOURCE plate 10 can be with distortional stress to interstitial diffusion radially when expanded by heating is out of shape, prevent the distortion of SOURCE plate 10, but for the bigger situation of expanded by heating distortion, can not well discharge deformation-energy, this will cause deforming and perk.And in the stop configurations of locking element and the axial clearance between the SOURCE plate 10; make the deformation-energy under expanded by heating or the blastic deformation effect to discharge by the radial clearance between SOURCE plate 10 and the locking element; but also can release energy by the axial clearance between the stop configurations of SOURCE plate 10 and locking element, can form more effectively protection to SOURCE plate 10.
Preferably, locking element is a lock screw 40, and stop configurations is the screw head 41 of lock screw 40, has the thread pore structure that cooperates with lock screw 40 on backboard 30.Lock screw 40 simple in structure, easy to use, its tailing screw flight combines with the thread pore structure of backboard 30, forms stable connecting structure.
Preferably, the screw rod of lock screw 40 has step 42, and step 42 is pressed on the backboard 30 when lock screw 40 is in installment state.Step 42 can the position of positioning and locking screw 40 on backboard 30, by determining the thickness of SOURCE plate 10 and glue frame 20, can determine the distance between step 42 and the screw head 41, thereby determine the axial clearance of screw head 41 and SOURCE plate 10, also can effectively prevent lock screw 40 locking SOURCE plates 10.
Preferably, the screw rod of lock screw 40 comprises the helical thread portion with external thread structure 43 that is positioned at the screw rod outer end, and the polished rod part 44 of connecting thread part 43 and screw head 41, and the length of polished rod part 44 is greater than the thickness of SOURCE plate 10 and glue frame 20.Because polished rod part 44 is isometrical with the outside thread of helical thread portion 43, when helical thread portion 43 fully with after backboard 30 parts cooperate, therefore polished rod part 44 is blocked in outside the tapped hole of backboard 30, thereby makes lock screw 40 have good position structure owing to there is not worm structure.Lock screw 40 can also have the shape of position structure for other, only needs to satisfy to make the enough and stable axial clearance of formation between screw head 41 and the SOURCE plate 10.
Preferably, corresponding tapped hole partly is provided with boss structure 31 on the backboard 30, and tapped hole is blind hole on boss structure 31.Boss structure 31 corresponding tapped holes partly are provided with, and can effectively increase the structural strength of backboard 30 and lock screw 40 cooperation places, improve the linking intensity of backboard 30 and lock screw 40.Tapped hole is blind hole on boss structure 30, can determine the length of lock screw 40 according to the degree of depth of blind hole, guarantees that screw head 41 and SOURCE plate 10 have enough axial clearance.And this structure do not have special requirement for the structure of lock screw, makes that the range of choice of lock screw is bigger, saved for lock screw yet and processed the loaded down with trivial details technology brought and unnecessary cost.
Preferably, lock screw 40 has self-locking thread, make lock screw 41 have stable connecting structure after installing, can prevent in use because the counterrotating effect of the caused lock screw 40 of external force effect, prevent that it from deviating from automatically from tapped hole.
Preferably, corresponding tapped hole partly is provided with boss structure 31 on the backboard 30, and tapped hole runs through boss structure 31.Owing to the existence of boss structure 31, strengthened the structural strength of the backboard 30 of tapped hole part, improved the linking intensity of lock screw 40 with backboard 30.
Preferably, axial clearance is 0.5mm to 1.0mm.The axial clearance that between lock screw 40 and SOURCE plate 10, keeps 0.5mm to 1.0mm; not only can give SOURCE plate 10 enough reasonable activity spaces; and can effectively limit it and cross activity on a large scale; prevent because SOURCE plate 10 is effectively protected in the distortion that the over-activity of SOURCE plate 10 causes.
Specifically describe concrete working principle of the present utility model below in conjunction with above-mentioned liquid crystal module mounting structure:
As Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6, according to embodiment of the present utility model, the liquid crystal module mounting structure comprises SOURCE plate 10, glue frame 20 and backboard 30, glue frame 20 is close to SOURCE plate 10 and is provided with, backboard 30 is arranged on glue frame 20 inboards, can be close to glue frame 20 setting, also can and glue frame 20 between keep certain interval, to make things convenient for the installation and removal of glue frame 20.In the present embodiment, leave the gap of 0.2mm between backboard 30 and the glue frame 20, this gap neither can make glue frame 20 that excessive the sphere of activities is arranged, and can make again between glue frame 20 and the backboard 30 and leave enough assemblage gaps.
In the present embodiment, locking element is a lock screw 40.Radial clearance between the screw rod of lock screw 40 and SOURCE plate 10 and the glue frame 20 is between 0.2mm to 0.5mm, and preferably, the monolateral gap of plate hole of the screw rod of lock screw and SOURCE plate 10 is 0.35mm.The screw head 41 and the axial clearance between the SOURCE plate 10 of lock screw 40 are between the 0.5mm to 1.0mm, and preferably, the screw head 41 and the axial clearance between the SOURCE plate 10 of lock screw 40 are 0.7mm.In above-mentioned radial clearance scope and axial clearance scope, both can make SOURCE plate 10 have rational activity space, effectively the deformation-energy that discharges expanded by heating or be hit and gathered also can limit its excessive the sphere of activities.
In the present embodiment, the position of backboard 30 corresponding tapped holes is provided with boss structure 31, can be on the boss structure 31 for having the through-hole structure of the tapped hole that runs through, and also can be for having the blind hole structure of tapped hole.Boss structure 31 can be strengthened the join strength of backboard 30 and lock screw 40 attachment portions, improves the structural strength of backboard 30, increases the steadiness of mounting structure.
As shown in Figure 7, when the tapped hole on the boss structure 31 is the tapped hole that runs through, lock screw 40 can be a kind of like this structure, comprise screw head 41 and screw rod, screw rod has step 42 and helical thread portion 43, and the tapped hole on helical thread portion 43 and the backboard 30 combines, when lock screw 40 is screwed into backboard 30, under the effect of screw thread, toward back plate 30 deeply.When the step 42 of lock screw 40 compressed on the side of backboard 30, lock screw 40 was screwed into no longer inwards, can not lock the SOURCE plate, thereby forms good position structure.Because the thickness of SOURCE plate 10 and glue frame 20 can determine, therefore the step 42 that can come to determine lock screw 40 in view of the above is to the distance between the screw head 41, thereby selectes suitable axial clearance.
As shown in Figure 8, when the tapped hole on the boss structure 31 was the tapped hole that runs through, lock screw 40 can also be a kind of like this structure, comprises screw rod and screw head 41, and screw rod comprises the polished rod part 44 of helical thread portion 43 and connecting thread part 43 and screw head 41.Because polished rod part 44 is isometrical with the outside thread of helical thread portion 43, when helical thread portion 43 fully with after backboard 30 cooperates, polished rod part 44 is not owing to there is worm structure, therefore be blocked in outside the tapped hole of backboard 30, can't squeeze into backboard fully and lock SOURCE plate 10, thereby form good position structure, make SOURCE plate 10 have rational activity space.
After the liquid crystal module mounting structure installs, in case be heated or impacted, the SOURCE plate 10 around lock screw 40 and the structure of glue frame 20 all can be owing to being heated or impact and dilatancy, this deformation-energy is because the radial clearance between SOURCE plate 10 and glue frame 20 and the lock screw 40, and the existence of the axial clearance between the screw head 41 of SOURCE plate 10 and lock screw 40 and being released, thereby prevented the distortion perk of SOURCE plate 10.
Certainly, lock screw 40 also can form the structure of good location for other, can not lock SOURCE plate 10 owing to squeezing into backboard 40 fully to guarantee lock screw 40.
In a unshowned embodiment, when boss structure 31 is the thread pore structure that does not connect, structural requirement for lock screw 40 significantly reduces, do not need to have position structure on the lock screw 40, but assign to stop that by the blocked part of the tapped hole end on the boss structure 31 lock screw 40 continues to enter inwards in the backboard 30.Because lock screw 40 need not to process specially, therefore make that the range of choice of screw is bigger, also saved for lock screw and processed the loaded down with trivial details technology brought and unnecessary cost.
Preferably, lock screw 40 has the worm structure of self-locking.Make lock screw 41 have stable connecting structure after installing, can prevent in use because the counterrotating effect of the caused lock screw 40 of external force effect, prevent that it from deviating from automatically from tapped hole.
Embodiment of the present utility model also provides a kind of liquid crystal module, comprises above-mentioned liquid crystal module mounting structure, makes that the structure of liquid crystal module is more stable, can prevent the distortion of each component in the liquid crystal module more effectively.
The utility model also provides a kind of display device, and this display device comprises above-mentioned liquid crystal module mounting structure and/or liquid crystal module.
This display device can be the liquid crystal display of different sizes such as TV, computer, mobile phone, PDA Personal Digital Assistant (Personal Digital Assistant abbreviates PDA as), MP4, handheld device (Handheld game console), GBA (GameBoy Advance SP), PSP (Play Station Portable), NDS (Nintendo DS), ipod touch4 and various instrument and apparatus.
As can be seen from the above description, the utility model can be protected the SOURCE plate structure effectively, prevents its expanded by heating distortion or distortion that is hit.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. liquid crystal module mounting structure comprises:
The SOURCE plate;
The glue frame is arranged on described SOURCE plate inboard;
Backboard is arranged on described glue frame inboard;
Locking element, afterbody pass described SOURCE plate and described glue frame is fixedly installed on the described backboard, all has radial clearance between described locking element and the described SOURCE plate and between described locking element and the described glue frame,
It is characterized in that,
Described locking element head is provided with stop configurations, has axial clearance between described stop configurations and the described SOURCE plate.
2. liquid crystal module mounting structure according to claim 1 is characterized in that, described locking element is a lock screw, and described stop configurations is the screw head of described lock screw, has the tapped hole that cooperates with described lock screw on described backboard.
3. liquid crystal module mounting structure according to claim 2 is characterized in that the screw rod of described lock screw has step, and described step is pressed on the described backboard.
4. liquid crystal module mounting structure according to claim 2, it is characterized in that, the screw rod of described lock screw comprises helical thread portion with external thread structure that is positioned at described screw rod outer end and the polished rod part that connects described helical thread portion and described screw head, and the length of described polished rod part is greater than the thickness of described SOURCE plate and described glue frame.
5. according to each described liquid crystal module mounting structure in the claim 2 to 4, it is characterized in that the screw thread of described lock screw is a self-locking thread.
6. according to each described liquid crystal module mounting structure in the claim 2 to 4, it is characterized in that corresponding described tapped hole partly is provided with boss structure on the described backboard, described tapped hole runs through described boss structure.
7. according to each described liquid crystal module mounting structure in the claim 1 to 4, it is characterized in that described axial clearance is 0.5mm to 1.0mm.
8. a liquid crystal module is characterized in that, comprises each described liquid crystal module mounting structure in the claim 1 to 7.
9. a display device is characterized in that, comprises each described liquid crystal module mounting structure in the claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200699003U CN202001441U (en) | 2011-03-16 | 2011-03-16 | Liquid crystal module installing structure, liquid crystal module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200699003U CN202001441U (en) | 2011-03-16 | 2011-03-16 | Liquid crystal module installing structure, liquid crystal module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202001441U true CN202001441U (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200699003U Expired - Lifetime CN202001441U (en) | 2011-03-16 | 2011-03-16 | Liquid crystal module installing structure, liquid crystal module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202001441U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103338341A (en) * | 2013-07-15 | 2013-10-02 | 青岛海信电器股份有限公司 | Direct type liquid crystal television back plate and direct type liquid crystal television |
| CN105979186A (en) * | 2016-07-01 | 2016-09-28 | 南京熊猫电子股份有限公司 | Source board fixing device and method |
| WO2020103634A1 (en) * | 2018-11-22 | 2020-05-28 | 京东方科技集团股份有限公司 | Back plate for electronic product and protective cover |
-
2011
- 2011-03-16 CN CN2011200699003U patent/CN202001441U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103338341A (en) * | 2013-07-15 | 2013-10-02 | 青岛海信电器股份有限公司 | Direct type liquid crystal television back plate and direct type liquid crystal television |
| CN105979186A (en) * | 2016-07-01 | 2016-09-28 | 南京熊猫电子股份有限公司 | Source board fixing device and method |
| WO2020103634A1 (en) * | 2018-11-22 | 2020-05-28 | 京东方科技集团股份有限公司 | Back plate for electronic product and protective cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |
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| CX01 | Expiry of patent term |