WO2019029074A1

WO2019029074A1 - Bezel corner structure

Info

Publication number: WO2019029074A1
Application number: PCT/CN2017/116088
Authority: WO
Inventors: 豆鑫
Original assignee: 广州视源电子科技股份有限公司; 广州睿鑫电子科技有限公司
Priority date: 2017-08-11
Filing date: 2017-12-14
Publication date: 2019-02-14
Also published as: CN207064419U

Abstract

A bezel corner structure, comprising: a strip-shaped first bezel (1) and second bezel (2), an end of the first bezel (1) overlapping with and being fixed to an end of the second bezel (2); a stepped recess is formed at an end portion of the end of the first bezel (1), and a stepped notch is formed at an end portion of the end of the second bezel (2); the end portion of the second bezel (2) at which the stepped notch is located at least has a shape matching the angle in the recess of the first bezel (1). The bezel corner structure comprises only two bezels, having a simple structure and comprising few components; a bezel corner connecting portion is formed by means of the recess of the first bezel (1) and the notch of the second bezel (2) so as to carry out positioning, and thus assembly is flexible and convenient, while the present invention is easy to produce and production costs are low.

Description

Frame corner structure

Technical field

The invention relates to a product frame structure, in particular to a frame corner structure.

Background technique

In order to meet the diverse needs of different customers, such as aesthetics, practicality, light weight, etc., manufacturers will provide products with different external shapes. In the product structure, the frame corner structure is a very common one, used in various frame structures, such as display frames, photo frames, lining brackets, and the like.

The existing frame corner structure usually includes the following types. One is to set a round corner frame between the two frames, and the two frames are respectively fixed to one end of the round corner frame by screws to form a frame corner structure; The screws are fixed together by the silicone pad to form a frame corner structure; further, the corner brackets are used outside the two frames, and the frame is fixed to the corner fixing frame by screws to form a frame corner structure.

In the above-mentioned frame corner structure, the splicing technology is adopted, and in addition to the two frames and the fixing screws, a plurality of other splicing parts are included, and the parts need to be purchased or processed by themselves, the product cost is increased, and the assembly process is complicated. If the shape of the frame changes, these parts are generally no longer applicable, and the parts are poorly versatile.

Summary of the invention

An embodiment of the present invention provides a frame corner structure, including a long first frame and a second frame. One end of the first frame is overlapped with and fixed to one end of the second frame, and one end of the first frame is Forming a stepped recess, the recess includes a back plate, a first side wall and a bottom plate, wherein the back plate is a side wall of the end of the first frame in a longitudinal direction thereof, and the back plate is in a width direction of the first frame The upper thickness is smaller than the overall thickness in the width direction of the first frame, and the bottom plate is the lower wall of the end portion of the first frame in the longitudinal direction thereof, and the thickness of the bottom plate in the height direction of the first frame is smaller than the height direction of the first frame The first sidewall is an inner end wall of the first frame; the second frame is formed with a stepped notch at one end thereof, the notch includes a step panel and a second sidewall, and the step panel is a lower wall of the end of the second frame in the longitudinal direction thereof, the thickness of the step panel in the height direction of the second frame is smaller than the overall thickness in the height direction of the second frame, the second side wall The inner end wall of the second frame, the upper surface of the bottom plate of the notch is at an angle with the front surface of the back plate, and/or the surface of the first side wall is at an angle to the upper surface of the bottom plate, and the stepped notch is located The end of the second bezel has a shape that matches the above-described angle of the notch of the first bezel.

Further, the recess of the first frame and the stepped notch of the second frame are provided with matching limiting members.

Further, the limiting component is a limiting slot disposed on the first frame and a limiting plate disposed on the second frame for use with the limiting slot, or the limiting component is disposed at the first a limiting plate on the frame and a limiting slot disposed on the second frame for use with the limiting plate.

Further, when the limiting plate is disposed on the first frame, the limiting plate is disposed opposite to the back plate of the notch, protruding from the upper surface of the bottom plate; and the stepped panel of the second frame is notched The limiting groove is formed on the stepped panel at a boundary position of the two side walls.

Further, the limiting plate is a partial side wall of the end of the first frame opposite to the back plate in the longitudinal direction thereof.

Further, the upper edge of the limiting plate is lower than the upper surface of the frame at the position thereof, or the upper edge of the limiting plate is lower than the upper surface of the first frame at the position thereof, and is in the limiting plate Having an opening with the first side wall, the lower end of the opening is not lower than the upper surface of the bottom plate of the recess of the first frame; the top end of the front surface of the recess back plate is opened along the length of the first frame There is a groove which is closed at both ends and has a depth smaller than a dimension of a front surface of the backing plate in the width direction of the first bezel, the groove being open on the upper surface of the first bezel.

Further, a lower surface of the groove on the first frame is flush with an upper edge of the limiting plate.

Further, the frame corner structure further includes a screw, a screw through hole and a screw hole, wherein the screw through hole is disposed in the stepped panel of the notch of the second frame, and the screw hole is disposed on the bottom plate of the notch of the first frame Correspondingly, the screw through hole is disposed on the bottom plate of the notch of the first frame, and the screw hole is disposed in the stepped panel of the notch of the second frame.

Further, the screw is a flat head screw, and on an outer surface of the frame on which the screw through hole is disposed, a recess corresponding to the screw through hole is provided, and/or the first frame and the second frame have The thickness of the corner portion in which the first frame and the second frame are stacked is the same as the thickness of the first frame or the second frame.

Further, the first frame and the second frame have a square cross section in the width direction thereof, the stepped recess of the first frame is square, and the upper surface of the bottom plate of the notch of the first frame is perpendicular to the front surface of the back plate The surface of the first side wall is perpendicular to the upper surface of the bottom plate, and the surface of the first side wall is perpendicular to the front surface of the back plate.

Advantageous effects of embodiments of the present invention:

The frame corner structure of the embodiment of the invention only comprises two frame frames, and has a simple structure and few components. The frame corner corner connecting portion is formed by the notch of the first frame and the notch of the second frame, and the positioning is flexible, convenient and easy to process. Processing low cost.

DRAWINGS

1 is an assembled structural view of a bezel corner structure according to an embodiment of the present invention;

Figure 2a is a side view of the first frame of the bezel structure shown in Figure 1 in the direction A;

Figure 2b is a side view of the second frame of the bezel structure shown in Figure 1 in the direction A;

3 is a top plan view of a bezel structure of an embodiment of the present invention;

4 is a top plan view of a bezel structure according to another embodiment of the present invention;

Fig. 5 is a view showing the assembly structure of a bezel corner structure according to still another embodiment of the present invention.

Detailed ways

The present invention will be further described in detail below with reference to the specific embodiments of the invention. However, it is to be understood by those skilled in the art that the present invention is not limited to the drawings and the following embodiments.

As shown in FIG. 1-3, the frame corner structure of the embodiment of the present invention includes an elongated first frame 1 and a second frame 2, and the first frame 1 and the second frame 2 have a square cross section in the width direction thereof. The first frame 1 and the second frame 2 are fixed together by using the flat head screws 3 in the embodiment, and other fixing manners may be used. Bonding.

As shown in FIG. 1 and FIG. 2 a , a stepped square recess is formed on one end of the first frame 1 , and the recess includes a back plate 101 , a first sidewall 102 , and a bottom plate 103 . 101. The first side wall 102 and the bottom plate 103 define a recessed space.

The back plate 101 is a side wall of the end portion of the first bezel 1 in the longitudinal direction L thereof, and the thickness of the back plate 101 in the width direction W of the first bezel 1 is smaller than the overall thickness in the width direction W of the first bezel 1 .

The bottom plate 103 is a lower wall of the end portion of the first bezel 1 in the longitudinal direction L thereof, and the thickness of the bottom plate 103 in the height direction H of the first bezel 1 is smaller than the overall thickness in the height direction H of the first bezel 1 , and the bottom plate 103 The upper surface 1031 is perpendicular to the front surface 1011 of the backing plate 101.

The first side wall 102 is an inner end wall of the first frame 1 , and the surface of the first side wall 102 is perpendicular to the upper surface 1031 of the bottom plate 103 . The other side of the notch opposite to the first side wall 102 is open without a side. wall. The surface of the first side wall 102 is perpendicular to the front surface 1011 of the backing plate 101, and the surface of the first side wall 102 is perpendicular to the upper surface 1031 of the bottom plate 103.

The frame corner structure further includes a limiting plate 104. The limiting plate 104 is disposed opposite to the backing plate 101 and protrudes from the upper surface of the bottom plate 103. In this embodiment, as shown in FIG. 2a, the limiting plate 104 is the end of the first frame 1 in the longitudinal direction L thereof. A part of the side wall of the opposite side of the back plate 101, the upper edge of the limiting plate 104 is lower than the upper surface of the first frame 1 at the position where it is located. It can be understood by those skilled in the art that although the limiting plate 104 and the backing plate 101 are disposed in parallel with each other in the above preferred embodiment, the limiting plate may be disposed perpendicular to the backing plate 101 in order to achieve the limit position, or Other shapes of the limiting device are disposed on the back plate 101, the first side wall 102, and the bottom plate 103.

Referring to FIG. 1 and FIG. 2b, the second frame 2 is formed with a stepped notch on one end end thereof, and the notch includes a stepped panel 201 and a second side wall 202, and further includes a limiting groove 203 thereon. The step panel 201 is a lower wall of the end portion of the second bezel 2 in the longitudinal direction thereof, and the thickness of the step panel 201 in the height direction of the second bezel 2 is smaller than the overall thickness in the height direction of the second bezel 2 . The second side wall 202 is an inner end wall of the second frame 2 . The limiting groove 203 is formed on the stepped panel 201 at a position where the stepped panel 201 and the second side wall 202 meet. The end shape of the second bezel 2 having the stepped notch is at least partially matched with the stepped square notch of the first bezel 1 so that the end of the second bezel 2 can be embedded in the stepped shape of the first bezel 1 In the square recess, the end of the second frame 2 abuts against the front surface 1011 of the back plate 101 of the recess of the first frame 1, the upper surface 1031 of the bottom plate 103 of the recess of the first frame 1 and the second The inner surface 2011 of the stepped panel 201 of the notch of the frame 2 is joined, and the limiting plate 104 and the limiting groove 203 of the second frame 2 are engaged with each other.

In the embodiment, the first frame 1 and the second frame 2 are fixed by using the flat head screws 3, and the screw through holes are opened in the notched stepped panel 201 of the second frame 2, and the bottom plate 103 of the notch of the first frame 1 is provided. A screw hole for screwing in is provided at the corresponding position. Of course, it is also possible to provide a screw through hole in the bottom plate 103 of the recess of the first bezel 1 and a screw hole in the stepped panel 201 of the notch of the second bezel 2. Preferably, on the outer surface of the frame on which the screw through hole is opened, a recess 31 for accommodating the screw head is provided corresponding to the screw through hole, so that the screw head screwed in does not exceed the outer surface of the frame.

In this embodiment, the first frame 1 has a notch, and the end of the second frame 2 having the stepped notch is limited by the back plate 101, the first side wall 102, the bottom plate 103 and the limiting plate 104. The second frame 2 can be accurately positioned to the mounting position of the first frame 1 and the two frames can be fixed.

In this embodiment, preferably, the first frame 1 and the second frame 2 have the same thickness, and the thickness of the corner portion of the first frame 1 and the second frame 2 overlaps with the first frame 1 or the second frame 2 The thickness is the same.

In the above embodiment, the first frame 1 and the second frame 2 have a square shape in the width direction thereof, but may have other shapes.

In the above embodiment, the first frame 1 and the second frame 2 form a rotation angle of 90°, but corners of other angles may also be formed, and only the angle between the first frame 1 and the second frame 2 in the longitudinal direction is required. Correspondingly, the matching shape of the notch of the first frame 2 and the stepped end of the second frame 2 may be adjusted, as shown in FIG. 4 .

In the above embodiment, the upper surface 1031 of the bottom plate 103 of the recess of the first bezel 1 may also be the front table of the back plate 101. The surface 1011 is not perpendicular to other angles and has ridge lines, which can be used for positioning. The surface of the first side wall 102 may not be perpendicular to the upper surface 1031 of the bottom plate 103, and may have other angles and ridge lines, and may function as a positioning.

In addition, in the above embodiment, the back plate 101, the first side wall 102, the bottom plate 103, and the limiting plate 104 of the notch of the first frame 1 and the notched stepped panel 201 and the second side wall 202 of the second frame 2 are provided. The limiting slot 203 is a flat surface, but it can be understood by those skilled in the art that it can also be a curved surface as long as the contact surfaces between the first frame 1 and the second frame 2 cooperate with each other.

In still another embodiment of the present invention, as shown in FIG. 5, the upper edge of the limiting plate 104 is lower than the upper surface of the first frame 1 at the position thereof, and is on the limiting plate 104 and the first side. There are openings 105 between the walls 102, and the lower end of the opening 105 is not lower than the upper surface 1031 of the bottom plate 103 of the recess of the first bezel 1. A groove 106 is defined in a longitudinal direction L of the first frame 1 at a top end of the front surface of the back plate 101. The groove 106 is closed at both ends, and the groove 106 has a smaller than the front surface 1011 of the back plate 101 at the first frame 1 The depth of the dimension in the width direction W, the groove 106 is open on the upper surface of the first bezel 1, and the lower surface of the groove 106 on the first bezel 1 is preferably flush with the upper edge of the limiting plate 104. The second bezel 2 has a structure that matches the above-described opening 105 and the groove 106 of the first bezel 1.

When installed, the notch of the end of the second frame 2 can be restrained by the opening 105 of the first frame 1 and further overlapped in the upper edge of the limiting plate 104 of the notch and the groove 106 of the first frame 1 , thereby When the first frame 1 and the second frame 2 are fixed by screws, the fixing portion is not up-warped and the corner structure is more stable.

The embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiment. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

A frame corner structure includes a long first frame and a second frame, and one end of the first frame is overlapped and fixed with one end of the second frame, and is characterized by:

a stepped recess is formed on one end of the first frame, the recess includes a back plate, a first side wall and a bottom plate, and the back plate is a side wall of the end of the first frame in the longitudinal direction thereof The thickness of the backboard in the width direction of the first frame is smaller than the overall thickness of the first frame in the width direction, and the bottom plate is the lower wall of the end of the first frame in the longitudinal direction thereof, and the bottom plate is in the height direction of the first frame. The upper thickness is smaller than the overall thickness of the first frame in the height direction, and the first side wall is the inner end wall of the first frame;

The second frame is formed with a stepped notch on one end thereof, the notch includes a stepped panel and a second side wall, and the stepped panel is a lower wall of the end of the second frame in the longitudinal direction thereof, and the stepped panel is at The thickness of the second frame in the height direction is smaller than the overall thickness of the second frame in the height direction, and the second side wall is the inner end wall of the second frame.

The upper surface of the bottom plate of the notch of the first frame is at an angle with the front surface of the back plate, and/or the surface of the first side wall is at an angle with the upper surface of the bottom plate, and the end of the second frame where the stepped notch is located There is a shape that matches the above-described angle included in the notch of the first bezel.
The frame corner structure of claim 1 , wherein the recess of the first frame and the stepped notch of the second frame are provided with matching limiting members.
The frame corner structure according to claim 2, wherein the limiting member is a limiting slot disposed on the first frame and a limiting plate disposed on the second frame for use with the limiting slot Or the limiting component is a limiting plate disposed on the first frame and a limiting slot disposed on the second frame for use with the limiting plate.
The frame corner structure according to claim 3, wherein when the limiting plate is disposed on the first frame, the limiting plate is disposed opposite to the back plate of the notch and protrudes from the upper surface of the bottom plate; The limiting groove is formed on the stepped panel at a position where the stepped panel of the notch of the second frame meets the second sidewall.
The frame corner structure according to claim 4, wherein the limiting plate is a partial side wall of the end of the first frame opposite to the back plate in the longitudinal direction thereof.
The frame corner structure according to any one of claims 3-5, wherein the upper edge of the limiting plate is lower than the upper surface of the frame at the position thereof.

Or the upper edge of the limiting plate is lower than the upper surface of the first frame at the position thereof, and has an opening between the limiting plate and the first side wall, and the lower end of the opening is not lower than the first An upper surface of the bottom plate of the recess of the frame; a groove is formed at a top end of the front surface of the recess back plate along the length of the first frame, the groove is closed at both ends, and has a front surface smaller than the back plate The depth of the dimension of the first bezel in the width direction, the groove being open on the upper surface of the first bezel.
The frame corner structure according to claim 6, wherein the lower surface of the groove on the first frame is flush with the upper edge of the limiting plate.
The frame corner structure according to any one of claims 1 to 5, wherein the frame corner structure further comprises a screw, a screw through hole and a screw hole.

The screw through hole is disposed in the stepped panel of the notch of the second frame, the screw hole is disposed at a corresponding position of the bottom plate of the notch of the first frame, or the screw through hole is disposed at the concave of the first frame On the bottom plate of the mouth, the screw hole is disposed in the stepped panel of the notch of the second frame.
The frame corner structure according to claim 8, wherein the screw is a flat head screw, and on the outer surface of the frame on which the screw through hole is disposed, a recess corresponding to the screw through hole is provided to receive the screw head. ,and / or,

The first frame and the second frame have the same thickness, and the thickness of the corner portion of the first frame and the second frame is the same as the thickness of the first frame or the second frame.
The frame corner structure according to any one of claims 1 to 5, wherein the first frame and the second frame have a square cross section in a width direction thereof, and the stepped recess of the first frame has a square shape.

The upper surface of the bottom plate of the recess of the first bezel is perpendicular to the front surface of the back plate, the surface of the first side wall is perpendicular to the upper surface of the bottom plate, and the surface of the first side wall is perpendicular to the front surface of the back plate.