CN210225589U - Fixing structure of middle frame and back plate and display screen - Google Patents

Abstract

The utility model discloses a fixing structure of a middle frame and a back plate and a display screen, which comprises a middle frame and a back plate, wherein the inner side surface of the back plate is provided with a first bending plate, the end surface of the first bending plate is bent inwards to form a second bending plate, a containing space is formed between the second bending plate and the inner side surface of the back plate, the middle frame is positioned in the containing space, one side surface of the middle frame, which is opposite to the second bending plate, is provided with a clamping convex edge, and the clamping convex edge is connected with the second bending plate in a clamping way; the second bending plate of the utility model is assembled with the clamping bead buckle on the middle frame, the first bulge on the back plate is assembled with the second bulge buckle on the middle frame, the fixing structure does not need secondary processing, has low cost, convenient assembly and production and high guarantee; the bending angle between the second bending plate and the first bending plate is 27.8 degrees, so that on one hand, the strength of the back plate can be enhanced; on the other hand, the angle is designed to enable the frame to be extremely narrow, and the attractive effect is achieved.

Description

Fixing structure of middle frame and back plate and display screen

Technical Field

The utility model relates to a display device technical field specifically is a fixed knot of center and backplate constructs and a display screen.

Background

With the progress of society and the development of economy, the television becomes an indispensable household appliance for families, so the requirement on the structural design of the television is more and more strict, the requirement of a user on the lightness and thinness of the household appliance is met, the appearance is attractive, and the structure is reliable.

The assembly of the middle frame and the back plate of the traditional television display screen is realized by adhering double-sided adhesive on the side wall, and the assembly mode needs to increase the cost of the double-sided adhesive on one hand and consume manpower to remove the adhesive on the other hand; because the backplate is the outward appearance face of direct conduct complete machine, the fixed mode of above-mentioned center and backplate makes the center expose to be unfavorable for the extremely narrowing of display frame, also do not have the pleasing to the eye degree of prominent product, consequently, design one kind and make the display frame seem narrowing and pleasing to the eye, and the center does not leak outward, and convenient assembling's center and backplate's fixed knot constructs the problem that awaits a urgent solution in industry.

SUMMERY OF THE UTILITY MODEL

For solving the problem in the above technical background, the utility model discloses a first purpose provides a fixed knot of center and backplate constructs, and this structure makes the backplate bend and directly blocks the center, and the backplate is bent the intensity of multiplicable backplate, has also played the effect of leak protection light.

The utility model adopts the following technical scheme: the utility model provides a fixed knot of center and backplate constructs, including center and backplate, the backplate medial surface is equipped with first bending board, the terminal surface of first bending board inwards buckles and forms the second bending board, the length direction of backplate medial surface is followed to first bending board and second bending board extends, form accommodation space between second bending board and the backplate medial surface, the center is located accommodation space, the center is equipped with the joint bead with the relative side of second bending board, the joint bead is connected with the second bending board joint.

Furthermore, the inner side surface of the back plate is perpendicular to the first bending plate, and the first bending plate and the second bending plate are arranged at an acute angle.

Furthermore, the included angle between the second bending plate and the first bending plate is 25-30 degrees.

Preferably, the angle between the second bending plate and the first bending plate is 27.8 degrees.

Furthermore, a first bulge is arranged on the inner side face of the back plate and located below the first bending plate, a second bulge is arranged on one side face, opposite to the inner side face of the back plate, of the middle frame, and the lower end face of the second bulge is clamped on the upper end face of the second bulge.

Furthermore, the outer side surface of the second protrusion is a plane, and the outer side surface of the second protrusion is abutted against the inner side surface of the back plate.

Further, L type structure is personally submitted in the transversal of center, including long limit and minor face, the joint bead sets up in the offside of minor face, and the minor face sets up with the backplate medial surface is relative, is equipped with on the minor face and dodges the groove, and first arch setting is dodging the inslot.

Furthermore, a diaphragm is arranged between the inner side surface of the back plate and the middle frame, a positioning plate is arranged on the diaphragm, a positioning hole is formed in the positioning plate, a positioning convex column matched with the positioning hole is arranged at the position, opposite to the positioning hole, of the inner side surface of the back plate, and the positioning plate and the positioning convex column are accommodated in the avoiding groove.

Further, the second protrusion is an elastic protrusion.

The second objective of the present invention is to provide a display screen, which includes the fixing structure of any one of the middle frames and the back plate.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses a joint bead buckle assembly on second bending plate and the center, the protruding buckle assembly of second on first arch on the backplate and the center, this fixed knot structure do not need secondary operation, with low costs, convenient equipment production, guarantee nature height, and first bending plate and second bending plate extend along the length direction of backplate medial surface, and the effectual center that prevents leaks outward avoids the light leak phenomenon.

2. The bending angle between the second bending plate and the first bending plate of the utility model is 27.8 degrees, on one hand, the strength of the back plate can be enhanced; on the other hand, the angle is designed to enable the frame to be extremely narrow, and the attractive effect is achieved.

Drawings

For a clearer explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.

FIG. 1 is a sectional view of a fixing structure of a middle frame and a back plate according to the present invention;

FIG. 2 is a sectional view of the fixing structure of the middle frame and the back plate of the present invention;

FIG. 3 is a sectional view of the fixing structure of the middle frame and the back plate of the present invention;

FIG. 4 is a schematic structural view of the middle frame of the present invention;

fig. 5 is a partially enlarged view of a in fig. 4.

The structure comprises a back plate 1, a first bending plate 11, a second bending plate 12, a first protrusion 13, a positioning convex column 14, a middle frame 2, a long edge 21, a short edge 22, a clamping convex edge 23, a second protrusion 24, an avoidance groove 25 and a membrane 3.

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 present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of 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.

As shown in fig. 1 to 4, the utility model provides a fixed knot of center and backplate constructs, including center 2 and backplate 1, backplate 1 medial surface is equipped with first bending board 11, the terminal surface of first bending board 11 inwards bends and forms second bending board 12, first bending board 11 and second bending board 12 extend along the length direction of backplate 1 medial surface, specifically speaking, first bending board 11 is perpendicular with backplate 1 medial surface, and extend along the intersection line direction of first bending board 11 and backplate 1, second bending board 12 is the acute angle with first bending board 11, and extend along the intersection line direction of first bending board 11 and second bending board 12, first bending board 11 and second bending board 12 are continuous uninterrupted in the length direction of backplate 1; specifically, an accommodating space is formed between the second bending plate 12 and the inner side surface of the back plate 1, the middle frame 2 is located in the accommodating space, a clamping convex edge 23 is arranged on one side surface of the middle frame 2 opposite to the second bending plate 12, and the clamping convex edge 23 is connected with the second bending plate 12 in a clamping mode; backplate 1 of this embodiment is rectangular shape, the medial surface on the upper limit of backplate 1 and left and right sides both sides all is equipped with first bending plate 11 and second bending plate 12, center 2 of this embodiment is the rectangular shape, joint bead 23 on the center 2 extends along 2 length direction of center, the length of joint bead 23 is roughly the same with the length of second bending plate 12 or slightly less than the length of second bending plate 12, thus, backplate 1 can block center 2 completely, prevent the light leak phenomenon, in addition, the first bending plate 11 of this embodiment and the second bending plate 12 be the intensity of the multiplicable backplate 1 of setting up of certain angle. Of course, the utility model discloses do not restrict the length and the quantity of joint bead 23, as long as can play with the joint fixed action of second bending plate 12 can.

Preferably, the utility model discloses a backplate 1, first board 11 and the 12 integrated into one piece settings of second board of bending. It should be noted that, the fixing structure of the middle frame 2 and the back plate 1 of the present invention is composed of three sections in the length direction, which are respectively the sectional views of fig. 1 to 3, so that the first bending plate 11 and the second bending plate 12 extend in the whole length direction of the back plate 1, and the first protrusion 13 and the second protrusion 24 are spaced and arranged in pairs.

Specifically, the inner side surface of the back plate 1 is perpendicular to the first bending plate 11, and the first bending plate 11 and the second bending plate 12 are arranged at an acute angle.

Specifically, the included angle between the second bending plate 12 and the first bending plate 11 is 25-30 degrees; preferably, the angle between the second bending plate 12 and the first bending plate 11 is 27.8 °, although the preferred angle allows a tolerance of plus or minus 0.5 °, and the angle is designed to make the frame look narrower, thereby achieving the effect of beautifying the appearance.

Specifically, the inner side surface of the back plate 1 is provided with a first protrusion 13, the first protrusion 13 is located below the first bending plate 11, the upper end surface of the first protrusion 13 is a plane, the side surface of the middle frame 2 opposite to the inner side surface of the back plate 1 is provided with a second protrusion 24, the lower end surface of the second protrusion 24 is a plane, the lower end surface of the second protrusion 24 is clamped on the upper end surface of the first protrusion 13, it should be noted that the first protrusion 13 is arranged at intervals on the inner side surface of the back plate, the second protrusion 24 is also arranged at intervals on the side surface of the middle frame, the first protrusion 13 and the second protrusion 24 are arranged in a one-to-one manner and clamped with each other, and thus, the clamping convex ribs 23 and the second protrusion 24 on the two sides of the middle frame 2 are respectively clamped and connected with the second bending plate 12 and the first protrusion 13, so that the middle frame 2 and the back plate 1 are completely fixed without looseness, the assembly and production are convenient.

Specifically, the lateral surface of the second protrusion 24 (i.e. the surface opposite to the medial surface of the back plate 1) is a plane, and the lateral surface of the second protrusion 24 is stopped by the medial surface of the back plate 1, the second protrusion 24 is in plane contact with the medial surface of the back plate 1, so that the contact area is relatively large, and the middle frame and the back plate are connected in a clamped manner more stably and firmly.

Specifically, the cross section of center 2 is L type structure, including long limit 21 and minor face 22, joint bead 23 sets up the offside at minor face 22, and minor face 22 sets up with 1 medial surface of backplate relatively, is equipped with on the minor face 22 and dodges groove 25, and first arch 13 sets up in dodging groove 25. Of course, the utility model discloses a center 2 also can be other rectangular shapes, like rectangular shape, as long as can realize that joint bead 23 and second arch 24 on the both sides face of center 2 can be connected with second bending plate 12 and first protruding 13 joint respectively can.

Specifically, a membrane 3 is arranged between the inner side surface of the back plate 1 and the middle frame 2, positioning plates (not shown in the figure) are arranged at intervals at the upper ends of the membrane 3, positioning holes (not shown in the figure) are formed in the positioning plates, positioning convex columns 14 matched with the positioning holes are arranged at positions, opposite to the positioning holes, of the inner side surface of the back plate 1, the positioning convex columns 14 are contained in the avoiding grooves 25, when the middle frame is made in other shapes, the positioning plates and the positioning convex columns 14 can also be arranged between the back plate 1 and the middle frame 2, and the avoiding grooves do not need.

Specifically, the second protrusion 24 is an elastic protrusion, which facilitates assembly.

The higher authority of backplate 1 of specific this embodiment is provided with 6 first archs 13, and the center 2 that corresponds the setting with 1 upper authorities of backplate has 6 second archs 24, and 1 the left and right sides of backplate respectively is provided with 4 first archs 13, and the center 2 that corresponds the setting with the left and right sides of backplate respectively has 4 second archs 24, and first arch 13 and second arch 24 are the joint connection respectively.

Another embodiment of the utility model provides a display screen, including the fixed knot structure of any one of center and backplate of above-mentioned description, through the fixed mode of above-mentioned center and backplate, make the more frivolous of the frame demonstration of display screen, the appearance is more pleasing to the eye.

The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.

Claims (10)

1. The utility model provides a fixed knot of center and backplate constructs, includes center and backplate, its characterized in that, the backplate medial surface is equipped with first bending board, the terminal surface incurvature of first bending board forms the second bending board, first bending board with the second bending board is followed the length direction of backplate medial surface extends, the second bending board with form accommodation space between the backplate medial surface, the center is located in the accommodation space, the center with the second bending board relative side is equipped with the joint bead, the joint bead with the second bending board joint is connected.

2. The structure as claimed in claim 1, wherein the inner side of the back plate is perpendicular to the first bending plate, and the first bending plate and the second bending plate are disposed at an acute angle.

3. The structure of claim 2, wherein the angle between the second bending plate and the first bending plate is 25-30 °.

4. The structure of claim 3, wherein the angle between the second bending plate and the first bending plate is 27.8 °.

5. The structure as claimed in claim 1, wherein a first protrusion is provided on an inner side of the back plate, the first protrusion is located below the first bending plate, a second protrusion is provided on a side of the middle frame opposite to the inner side of the back plate, and a lower end surface of the second protrusion is engaged with an upper end surface of the first protrusion.

6. The structure as claimed in claim 5, wherein the outer side of the second protrusion is a plane, and the outer side of the second protrusion abuts against the inner side of the back plate.

7. The fixed knot of center and backplate constructs of claim 6, characterized in that, the cross-section of center is L type structure, includes long limit and minor face, the joint bead sets up the offside of minor face, the minor face with the backplate medial surface sets up relatively, be equipped with on the minor face and dodge the groove, first arch sets up in dodging the inslot.

8. The structure as claimed in claim 7, wherein a diaphragm is disposed between the inner side of the middle frame and the middle frame, a positioning plate is disposed on the diaphragm, a positioning hole is disposed on the positioning plate, a positioning protrusion is disposed at a position of the inner side of the back plate opposite to the positioning hole and matches with the positioning hole, and the positioning plate and the positioning protrusion are received in the avoiding groove.

9. The structure of any one of claims 5 to 8, wherein the second protrusion is an elastic protrusion.

10. A display screen, characterized by comprising the fixing structure of the middle frame and the back plate of any one of claims 1 to 9.

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