CN210722200U

CN210722200U - Backlight module and display device

Info

Publication number: CN210722200U
Application number: CN201922493200.6U
Authority: CN
Inventors: 杨章树
Original assignee: TCL King Electrical Appliances Huizhou Co Ltd
Current assignee: TCL King Electrical Appliances Huizhou Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-06-09
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a backlight module and a display device, wherein, the backlight module comprises a middle frame, the middle frame comprises an inner surrounding plate and an outer surrounding plate, the inner surrounding plate is surrounded to form a frame opening, the outer surrounding plate is arranged around the outer side of the inner surrounding plate and is arranged opposite to the inner surrounding plate, and a clamping space is formed between the outer surrounding plate and the inner surrounding plate; the back plate comprises a bottom plate and side plates, the side plates are arranged on the outer periphery of the bottom plate in a surrounding mode, the bottom plate covers the frame opening, and the side plates are inserted into the clamping space. The utility model discloses aim at changing the assembly methods of center and backplate to improve the assembly efficiency in center and the backplate assembling process.

Description

Backlight module and display device

Technical Field

The utility model relates to a show technical field, in particular to backlight module and display device.

Background

The center mainly is applied to the fixed of display device's module inner structure part, and the center is connected with the backplate usually, and traditionally center and backplate are fixed through the screw, and the fix with screw is comparatively loaded down with trivial details at the in-process of center and backplate equipment, and often appears leaking the problem that the lock attaches the screw easily, leads to doing over again, and this has greatly influenced the assembly efficiency among center and the backplate assembling process.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a backlight module, aims at changing the assembly methods of center and backplate to improve backlight module's assembly efficiency.

In order to achieve the above object, the present invention provides a backlight module comprising:

the middle frame comprises an inner coaming and an outer coaming, the outer coaming is arranged on the outer side of the inner coaming in a surrounding manner and is arranged at a distance from the inner coaming, and a clamping space is formed between the outer coaming and the inner coaming;

the back plate comprises a bottom plate and side plates, the side plates are arranged on the outer periphery of the bottom plate in a surrounding mode, and the side plates are inserted into the clamping space.

Optionally, the middle frame further comprises a connecting plate, the connecting plate is arranged between the inner enclosing plate and the outer enclosing plate, and the connecting plate is connected with the inner enclosing plate and the outer enclosing plate.

Optionally, a guide surface is further disposed on one side of the inner surrounding plate facing the bottom plate, and the guide surface is disposed obliquely from the inner surrounding plate to the outer surrounding plate, and the distance between the guide surface and the outer surrounding plate is gradually reduced.

Optionally, the inside boarding is a resilient member.

Optionally, the side plate is provided with a buckle protruding inwards, the inner surrounding plate is provided with a through hole, and the buckle is inserted into the through hole.

Optionally, the cross-sectional area of the buckle decreases gradually from the connecting end with the side plate to the free end.

Optionally, the surface of the buckle facing away from the bottom plate is arranged obliquely.

Optionally, the plurality of buckles are arranged on the enclosing plate at intervals, the plurality of through holes are arranged on the inner enclosing plate at intervals, and each buckle is inserted into one through hole.

Optionally, a groove is concavely formed on the surface of the side plate facing the peripheral plate, and the groove is arranged corresponding to the buckle.

The utility model also provides a display device, including foretell backlight unit.

The utility model discloses technical scheme's backlight unit includes center and backplate, and the center is fixed through pegging graft with the backplate. Specifically, the middle frame comprises an inner coaming and an outer coaming, the outer coaming is arranged around the outer side of the inner coaming, the outer coaming is arranged opposite to the inner coaming, and a clamping space is formed between the inner coaming and the outer coaming; the backplate includes bottom and curb plate, and the frame mouth department that the interior bounding wall formed is covered to the bottom, and the curb plate encloses the outer peripheral edges of locating the bottom plate, and the centre gripping space that interior bounding wall and peripheral board formed is located to the plug-in. The side plates are clamped by the inner enclosing plate and the outer enclosing plate after being inserted into the clamping space, so that the side plates cannot be easily separated from the clamping space, namely the back plate and the middle frame are fixedly inserted. Because the traditional fixing mode of the back plate and the middle frame is to fix the back plate and the middle frame through screws, a plurality of screws are required to be inserted into the back plate and the middle frame, the assembling process is complicated, and the efficiency is low. Therefore, the utility model discloses a setting of centre gripping space and curb plate is directly inserted the backplate and is located the centre gripping space in, can realize the fixed of center and backplate, easy operation, the installation is rapid to this reaches the purpose that improves the assembly efficiency of center and backplate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of the assembly process of the middle frame and the back plate of the present invention;

FIG. 2 is another view of FIG. 1;

FIG. 3 is a schematic structural diagram of the back plate of FIG. 2;

FIG. 4 is a schematic structural diagram of the middle frame in FIG. 2;

fig. 5 is an enlarged view of a portion a in fig. 4.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Middle frame	150	Guide surface
110	Inner coaming	200	Back plate
				111	Frame mouth	210	Base plate
112	Through hole	220	Side plate
				120	Peripheral board	221	Groove
130	Clamping space	230	Buckle
				140	Connecting plate

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides a backlight module.

Referring to fig. 1 to 5, an embodiment of the backlight module of the present invention includes:

the middle frame 100 comprises an inner surrounding plate 110 and an outer surrounding plate 120, wherein the inner surrounding plate 110 is surrounded to form a frame opening 111, the outer surrounding plate 120 is arranged on the outer side of the inner surrounding plate 110 in a surrounding manner and is arranged at an interval with the inner surrounding plate 110, and a clamping space 130 is formed between the outer surrounding plate 120 and the inner surrounding plate 110;

the back plate 200 includes a bottom plate 210 and a side plate 220, the side plate 220 surrounds the outer periphery of the bottom plate 210, the bottom plate 210 covers the frame opening 111, and the side plate 220 is inserted into the clamping space 130.

The middle frame 100 is a frame structure and has an inner surrounding plate 110 and an outer surrounding plate 120 which are arranged at intervals, and the inner surrounding plate 110 is surrounded to form a frame opening 111. Specifically, the inside surrounding plate 110 and the outer surrounding plate 120 are spaced apart from each other, and the outer surrounding plate 120 is disposed around the outside of the inside surrounding plate 110, the inside surrounding plate 110 and the outer surrounding plate 120 are spaced apart from each other, and a clamping space 130 is formed between the inside surrounding plate 110 and the outer surrounding plate 120, and the clamping space 130 is used for clamping the backboard 200, so that the backboard 200 is fixed to the middle frame 100. Specifically, the backboard 200 comprises a bottom plate 210 and a side plate 220, the bottom plate 210 is a planar plate-shaped structure, the bottom plate 210 is used for covering the frame opening 111 of the middle frame 100, the side plate 220 is protruded on the outer periphery of the bottom plate 210, the side plate 220 is inserted into the clamping space 130, and the side plate 220 is clamped and fixed with the inner enclosing plate 110 and the outer enclosing plate 120.

The height of the side plate 220 is less than or equal to the depth of the clamping space 130, after the side plate 220 is inserted into the clamping space 130, the side plate 220 is clamped and fixed with the middle frame 100, specifically, the outer surrounding plate 120 and the inner surrounding plate 110 forming the clamping space 130 abut against each other on the side wall, the side plate 220 is clamped in the clamping space 130, the side plate 220 can be clamped by the outer surrounding plate 120 and the inner surrounding plate 110, and the side plate 220 cannot be easily separated from the clamping space 130. The side plates 220 are clamped and fixed by the elasticity of the outer peripheral plate 120 or the inner peripheral plate 110. Of course, a clamping block may be disposed on a side of the side plate 220 facing the outer peripheral plate 120 or the inner peripheral plate 110, and corresponding through holes 112 or clamping grooves may be disposed on side walls of the outer peripheral plate 120 and the inner peripheral plate 110, so as to realize clamping fixation of the side plate 220 and the middle frame 100.

The utility model discloses technical scheme's backlight unit includes center 100 and backplate 200, and center 100 is fixed through pegging graft with backplate 200. Specifically, the middle frame 100 includes an inside shroud 110 and an outside shroud 120, the outside shroud 120 is disposed around the outside of the inside shroud 110, and the outside shroud 120 is disposed opposite to the inside shroud 110, and a clamping space 130 is further formed between the inside shroud 110 and the outside shroud 120; the backboard 200 comprises a bottom part and a side plate 220, wherein the bottom part is covered at the frame opening 111 formed by the inner enclosing plate 110, the side plate 220 is enclosed at the outer periphery of the bottom plate 210 and is inserted in the clamping space 130 formed by the inner enclosing plate 110 and the outer enclosing plate 120. It can be understood that, after the side plate 220 is inserted into the clamping space 130, the inner surrounding plate 110 and the outer surrounding plate 120 clamp the side plate 220, so that the side plate 220 cannot be easily separated from the clamping space 130, i.e. the back plate 200 and the middle frame 100 are fixed in an inserting manner. Because the traditional fixing mode of the back plate 200 and the middle frame 100 is to fix the two through screws, a plurality of screws are required to be inserted into the back plate 200 and the middle frame 100, the assembling process is complicated, and the efficiency is low. Therefore, the utility model discloses a setting of centre gripping space 130 and curb plate 220 directly inserts backplate 200 and locates in centre gripping space 130, can realize the fixed of center 100 and backplate 200, easy operation, the installation is rapid to this reaches the purpose that improves the assembly efficiency of center 100 and backplate 200.

In this embodiment, the middle frame 100 further includes a connecting plate 140, the connecting plate 140 is disposed between the inside wall plate 110 and the outside wall plate 120, the connecting plate 140 connects the inside wall plate 110 and the outside wall plate 120, and the inside wall plate 110, the outside wall plate 120 and the connecting plate 140 are connected to form the clamping space 130.

The inside shroud panel 110 and the outside shroud panel 120 are connected by the connecting plate 140, specifically, the connecting plate 140 is disposed between the inside shroud panel 110 and the outside shroud panel 120, it can be understood that the connecting plate 140 is disposed at one end of the inside shroud panel 110 and the outside shroud panel 120, and forms a mounting groove with the clamping space 130, that is, the mounting groove includes the inside shroud panel 110, the outside shroud panel 120 and the connecting plate 140, the inside shroud panel 110, the outside shroud panel 120 and the connecting plate 140 enclose to form the mounting groove, the inside shroud panel 110 is disposed at the inner side of the outside shroud panel 120, the side panel 220 is inserted into the mounting groove, when the side panel 220 is inserted into the mounting groove, the connecting plate 140 can cover the side of the side panel 220 far. Meanwhile, the inner surrounding plate 110 and the outer surrounding plate 120 are clamped on the side plate 220, so that the side plate 220 is clamped in the mounting groove, and the mounting stability of the side plate 220 can be enhanced.

As shown in fig. 5, in this embodiment, the edge of the inside shroud 110 is further provided with a guide surface 150, and the guide surface 150 is disposed obliquely from the side of the inside shroud 110 facing the peripheral plate 120, and the distance between the guide surface 150 and the peripheral plate 120 is gradually reduced.

It is understood that the guide surface 150 is a slope surface and is inclined toward the clamping space 130 for guiding the insertion of the side plate 220. The guide surface 150 is provided on a side of the inner shroud 110 facing the base plate 210 and is inclined from a side of the inner shroud 110 facing the outer shroud 120, and a distance between the guide surface 150 and the outer shroud 120 is gradually reduced. The side plate 220 moves from the side far from the connecting plate 140 to the side near the connecting plate 140 and is inserted into the clamping space 130, so the guide surface 150 can guide the side plate 220, and the side plate 220 can smoothly enter the clamping space 130.

In this embodiment, the inside shroud 110 is an elastic member.

Interior bounding wall 110 and curb plate 220 butt, in the curb plate 220 presss from both sides the centre gripping space 130 of locating between interior bounding wall 110 and the peripheral plate 120, under the condition that does not set up other joint or fixed mode, interior bounding wall 110 is the elastic component, and the distance between interior bounding wall 110 and the peripheral plate 120 slightly is less than the thickness of curb plate 220 promptly, makes curb plate 220 and interior bounding wall 110 interference fit to reach the effect of block curb plate 220. Of course, it is also possible to provide the peripheral plate 120 as an elastic member, and the same effect can be achieved. Specifically, the elastic member may be made of a plastic material having a certain deformation amount, or may be made of a rubber or silica gel material, as long as the deformation of the inner surrounding plate 110 in a certain range can be achieved.

As shown in fig. 3, in this embodiment, a buckle 230 is protruded from a surface of the side plate 220 facing the inside shroud 110, the inside shroud 110 is provided with a through hole 112, and the buckle 230 is inserted into the through hole 112.

Specifically, the side plate 220 is provided with a buckle 230 protruding inwards, and meanwhile, the inner surrounding plate 110 is provided with a through hole 112, the through hole 112 is opposite to the buckle 230, and the buckle 230 is inserted into the through hole 112 and is in interference fit with the through hole 112. The stability of the connection between the side plate 220 and the inner surrounding plate 110 can be further enhanced by the clamping arrangement of the buckle 230 and the through hole 112.

In this embodiment, the cross-sectional area of the latch 230 decreases gradually from the connection end to the free end of the side plate 220 in the direction from the outer side to the inner side of the side plate 220.

The buckle 230 is a long bar-shaped structure, the buckle 230 is connected to the side plate 220 and passes through the inside wall plate 110, specifically, the buckle 230 has a first end and a second end, the first end is connected to one side of the side plate 220 facing the inside wall plate 110, and the second end is connected to the first end and extends along a direction away from the first end. Specifically, the second end is inserted into the through hole 112 of the inside shroud 110, and the cross-sectional area of the clip 230 gradually decreases from the connecting end with the side plate 220, which refers to the end of the clip connected with the side plate, to the free end, which refers to the end of the clip far away from the side plate. The cross-sectional area that buckle 230 extends to the second end by the first end reduces gradually promptly, and the cross-section of second end is less than first end promptly, because the second is inserted and is located in through-hole 112, so the cross-section of first end to the second end reduces gradually, and the terminal surface of second end is cambered surface structure, and buckle 230 so designs, can play the effect of direction, makes things convenient for buckle 230 to insert in through-hole 112, and buckle 230 can be the toper structure promptly.

In this embodiment, the surface of the latch 230 facing away from the bottom plate 210 is inclined for guiding the side plate 220 when inserted into the holding space 130.

The side of the buckle 230 departing from the bottom plate 210, that is, the side of the buckle 230 abutting against the side wall of the through hole 112, is disposed in an inclined manner, and since the cross-sectional area of the buckle 230 in the direction from the outer side to the inner side of the side plate 220 is gradually reduced, at least one of the surfaces of the buckle 230 departing from the bottom plate 210 or the surface facing the bottom plate 210 is disposed in an inclined manner, specifically, the surface of the buckle departing from the bottom plate 210 is disposed in an inclined manner in this embodiment, so as to illustrate that the inclined surface can play a guiding role when the buckle 230 is inserted into the clamping space 130. The surface of the buckle 230 facing away from the base plate 210 refers to the lower surface of the buckle 230, and of course, the surface of the buckle 230 facing the base plate 210, that is, the upper surface of the buckle 230, may also be disposed in an inclined manner, which may further enhance the guiding effect.

In this embodiment, the number of the fasteners 230 is plural, the plurality of the fasteners 230 are distributed on the surrounding plate at intervals, the plurality of the through holes 112 are provided, the plurality of the through holes 112 are distributed on the inner surrounding plate 110 at intervals, and each of the fasteners 230 is inserted into one of the through holes 112.

The plurality of buckles 230 and the plurality of through holes 112 are arranged, each buckle 230 is clamped in one through hole 112, and the clamping stability of the buckles 230 can be enhanced. Specifically, a plurality of buckles 230 interval distribution on the installation face, for further stability and the equilibrium degree of strengthening the installation, a plurality of buckles 230 evenly distributed on the installation face, and through-hole 112 and buckle 230 one-to-one set up, so, when buckle 230 evenly distributed, through-hole 112 should also evenly distributed in interior bounding wall 110 to correspond the setting with buckle 230.

In this embodiment, the surface of the side plate 220 facing the peripheral plate 120 is recessed with a groove 221, and the groove 221 is disposed corresponding to the latch 230.

The surface of the side plate 220 facing the inside shroud 110 is used for mounting the clip 230, and after the clip 230 is inserted into the through hole 112 of the inside shroud 110, the side plate 220 will abut against the inside shroud 110, so that the clip 230 is clamped with the through hole 112 of the inside shroud 110. That is, after the side plate 220 is inserted into the clamping space 130, the inner side wall and the outer side wall clamp the side plate 220, and meanwhile, the fastener 230 is inserted into the through hole 112, so that the side plate 220 and the middle frame 100 are further fixed. Of course, the width of the clamping space 130 corresponds to the thickness of the side plate 220, so that the side plate 220 can be inserted into the clamping space 130 within a certain deformation range of the inner surrounding plate 110 and can be clamped in the clamping space 130. The surface of the side plate 220 facing the peripheral plate 120 in the present embodiment is concavely provided with a groove 221, and the groove 221 is disposed corresponding to the position of the catch 230, specifically, the corresponding arrangement can be understood as that the groove 221 is communicated with the side plate 220 and extends toward the catch 230, i.e. the catch 230 is internally formed with a notch communicated with the groove 221. So design can increase buckle 230's deformation volume, when buckle 230 inserts in the through-hole 112, can take place the extrusion with the inside wall, at this moment, because buckle 230's relative position sets up recess 221, can make buckle 230 deflection bigger, in more easily inserting through-hole 112, not only strengthened the stability that curb plate 220 and center 100 are connected, saved the material of curb plate 220 moreover.

In this embodiment, the plurality of grooves 221 are disposed, the plurality of grooves 221 are spaced apart from each other on the surface of the side plate 220 facing the peripheral plate 120, and each of the fasteners 230 is disposed opposite to one of the grooves 221. Since the plurality of buckles 230 are disposed corresponding to the plurality of grooves 221, the plurality of grooves 221 are also disposed corresponding to the plurality of deformation amounts capable of increasing the number of buckles 230, and the grooves 221 are disposed on the opposite surfaces of the buckles 230 and disposed corresponding to the buckles 230 one by one, so as to ensure the smoothness of each buckle 230 when inserted into the through hole 112.

The utility model also provides a display device, including foretell backlight unit. Since the display device adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The above is only the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the protection scope of the present invention.

Claims

1. A backlight module, comprising:

2. The backlight module according to claim 1, wherein the middle frame further comprises a connecting plate, the connecting plate is disposed between the inside wall plate and the outside wall plate, and the connecting plate connects the inside wall plate and the outside wall plate.

3. The backlight module according to claim 1, wherein a side of the inside peripheral plate facing the outside peripheral plate is further provided with a guide surface, and a distance between the guide surface and the outside peripheral plate is gradually reduced when the guide surface is inclined from the side of the inside peripheral plate facing the outside peripheral plate.

4. The backlight module as claimed in claim 1, wherein the inner surrounding plate is an elastic member.

5. The backlight module as claimed in claim 1, wherein the side plates are provided with inward protruding buckles, the inner peripheral plate is provided with through holes, and the buckles are inserted into the through holes.

6. The backlight module according to claim 5, wherein the cross-sectional area of the clip decreases from the connecting end with the side plate to the free end.

7. The backlight module of claim 5, wherein the surface of the clip facing away from the base plate is slanted.

8. The backlight module as claimed in claim 5, wherein the plurality of fasteners are disposed on the peripheral plate, the plurality of fasteners are disposed on the peripheral plate at intervals, the plurality of through holes are disposed on the inner peripheral plate at intervals, and each of the plurality of fasteners is inserted into one of the through holes.

9. The backlight module according to claim 5, wherein the surface of the side plate facing the peripheral plate is recessed with a groove corresponding to the latch.

10. A display device comprising the backlight module according to any one of claims 1 to 9.