CN215500034U

CN215500034U - Ultra-thin appearance equipment and no trace connection structure thereof

Info

Publication number: CN215500034U
Application number: CN202122237573.4U
Authority: CN
Inventors: 袁培志
Original assignee: Shenzhen Kaifa Technology Co Ltd
Current assignee: Shenzhen Kaifa Technology Co Ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-01-11
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses an ultrathin appearance device and a traceless connecting structure thereof, which comprise a frame and a middle frame, wherein the frame is connected with the middle frame through screws, the extending direction of a pair of first side edges of the middle frame is defined as the front-back direction, the extending direction of a pair of second side edges of the middle frame is defined as the left-right direction, the frame extends along the front-back direction, the screws are obliquely and downwards screwed into the frame from one first side edge of the middle frame to be fastened, the screwed screws are oblique to a horizontal plane which is jointly determined by the front-back direction and the left-right direction, and the screwed screws are perpendicular to the front-back direction.

Description

Ultra-thin appearance equipment and no trace connection structure thereof

Technical Field

The utility model relates to the field of electronic equipment, in particular to ultrathin appearance equipment and a traceless connecting structure thereof.

Background

With the continuous improvement of the consumption level of people, consumer electronic products are increasingly perfect. On the premise of excellent performance, the ultralight, ultrathin and traceless structure is the main attack directions of the track. The detachable firm connection between the metal parts is generally a screw connection, and taking a mobile phone as an example, 2 screws are used for fastening two metal appearance matching pieces which are as long as 250mm, can be used for screwing holes, but have the thickness of only 2.2mm, and the screws cannot be seen in the appearance, and the detachment is also convenient, which is undoubtedly a great challenge.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to provide an ultra-thin appearance device and a seamless connection structure thereof, which meet the above-mentioned needs of the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

in one aspect, a traceless connecting structure of an ultrathin appearance device is constructed, and comprises a frame and a middle frame, wherein the frame is connected with the middle frame through screws, the extending direction of a pair of first side edges of the middle frame is defined as a front-back direction, the extending direction of a pair of second side edges of the middle frame is defined as a left-right direction, the frame extends along the front-back direction, the screws are screwed into the frame from one first side edge of the middle frame obliquely and downwards for fastening, the screws after being screwed are inclined to a horizontal plane jointly determined by the front-back direction and the left-right direction, and the screws after being screwed are perpendicular to the front-back direction.

Preferably, the positions of the front end and the rear end of the side frame are respectively connected with the middle frame through one screw.

Preferably, the frame comprises a top plate, a bottom plate and side plates, wherein the top plate and the bottom plate are arranged in an up-down opposite mode and extend along the front-back direction, the side plates are connected between the top plate and the bottom plate, and the top plate, the bottom plate and the U-shaped side plates are enclosed together to form an open cavity;

the top plate/the bottom plate is provided with a protrusion at a position close to the front end and the rear end, the protrusion extends along the left-right direction, a threaded hole is formed in the direction from the end face of the middle frame to the direction from the protrusion to the bottom plate gradually and downwards in an inclined mode, and the extending direction of the threaded hole is perpendicular to the front-rear direction.

Preferably, a through hole is formed in the first side edge of the middle frame, which is connected with the frame, and is used for allowing the screw to pass through the through hole in an inclined manner, the extending direction of the through hole is consistent with the extending direction of the threaded hole, and the threaded portion of the screw passes through the through hole and then is in threaded connection with the threaded hole.

Preferably, the side plates of the side frame comprise side plates extending along the front-back direction and two end plates extending along the left-right direction, the two end plates are connected with two ends of the side plates, and the end surface of one of the end plates facing the middle frame protrudes to form a positioning pin; the corner position that the first side of center is connected with the second side has seted up the locating hole, the locating pin inserts realize in the locating hole the frame with the preliminary assembly of center.

In a second aspect, an ultra-thin appearance device is constructed comprising a traceless connection structure as in any of the preceding claims

The ultrathin appearance equipment and the traceless connecting structure thereof have the following beneficial effects: according to the utility model, the screws are screwed into the frame from the side edge of the middle frame obliquely downwards for fastening, and the screwed screws are inclined to the horizontal plane and are vertical to the front-back direction, so that the firm connection between the frame and the middle frame without marks on the appearance and supporting the disassembly is realized.

Drawings

In order to more clearly illustrate 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts:

FIG. 1 is one of the exploded views of the ultra thin appearance device of the present invention;

FIG. 2 is a cross-sectional view of an ultra-thin profile device seamless attachment structure;

FIG. 3 is a schematic structural diagram of a bezel;

fig. 4 is a second exploded view of the ultra-thin appearance device of the present invention.

Detailed Description

In the ultra-thin appearance equipment such as electronic book equipment, the appearance surface is not allowed to be opened and labeling is not allowed, so that the equipment is considered to be connected by screws towards the inner side opening. Further, the space available for designing screw connections is limited, 2 screws hold parts up to 250mm long, and if the connections are made horizontally by conventional methods, the two parts are easily loosened. Meanwhile, a large screw screwing operation position needs to be reserved for designing the screw in the horizontal direction, and for ultrathin products, the more the hollowed-out positions are, the poorer the product strength is, namely the product strength is influenced. After repeated verification, the screws are designed to be in a state with an inclination angle, other conventional auxiliary positioning is matched, after the combination is stressed to form a triangle, the frame and the middle frame are firmly connected under the fastening of two tiny screws, and the designed product passes through a complete set of reliability test.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Exemplary embodiments of the utility model are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the embodiments and specific features in the embodiments of the present invention are described in detail in the present application, but not limited to the present application, and the features in the embodiments and specific features in the embodiments of the present invention may be combined with each other without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "front," "rear," "up," "down," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The terms including ordinal numbers such as "first", "second", and the like used in the present specification may be used to describe various components, but the components are not limited by the terms. These terms are used only for the purpose of distinguishing one constituent element from other constituent elements. For example, a first component may be named a second component, and similarly, a second component may also be named a first component, without departing from the scope of the present invention.

Referring to fig. 1, the traceless connection structure of the ultra-thin appearance device of the present invention includes a frame 1 and a middle frame 2. Referring to fig. 4, the middle frame 2 is used for mounting other structures 4 of the slim-appearance device, such as a screen, a functional component, a cover, and the like, taking an electronic book device as an example.

Referring to fig. 2, the frame 1 is connected to the middle frame 2 by screws 3. The middle frame 2 can be integrally formed and comprises a pair of parallel opposite first sides and a pair of parallel opposite second sides, and the first sides and the second sides are perpendicularly connected. Let us define the extending direction of the pair of first sides of the middle frame 2 as the front-back direction, the extending direction of the pair of second sides of the middle frame 2 as the left-right direction, and the thickness direction of the whole apparatus as the up-down direction.

Referring to fig. 1-2, the frame 1 extends along a front-back direction, the screw 3 is screwed into the frame 1 from one of the first sides of the middle frame 2 obliquely downward, the screwed screw 3 is inclined to a horizontal plane defined by the front-back direction and the left-right direction, and the screwed screw 3 is perpendicular to the front-back direction.

Specifically, in this embodiment, the positions of the frame 1 near the front and rear ends are respectively connected to the middle frame 2 through one of the screws 3. Referring to fig. 3, the frame 1 includes a top plate, a bottom plate, and side plates connected between the top plate and the bottom plate, wherein the top plate and the bottom plate are disposed opposite to each other and extend in the front-rear direction. The U-shaped side plate is connected with three edges (two short edges and one long edge) of the top plate and the bottom plate, the top plate, the bottom plate and the U-shaped side plate jointly enclose and close to form an open cavity, and a connecting structure of a screw 3 is arranged in the open cavity.

More specifically, the top plate (or the bottom plate in other embodiments) protrudes to form a protrusion 11 at a position near the front end and the rear end, the protrusion 11 extends along the left-right direction, the protrusion 11 is provided with a threaded hole 111 in a direction from the end surface facing the middle frame 2 to the bottom plate, and the extending direction of the threaded hole 111 is perpendicular to the front-rear direction. Correspondingly, referring to fig. 4, a through hole 21 is formed in the first side of the middle frame 2 connected to the side frame 1, the through hole 21 is used for allowing the screw 3 to pass through, the extending direction of the through hole 21 is the same as the extending direction of the threaded hole 111, and the threaded portion of the screw 3 passes through the through hole 21 and then is in threaded connection with the threaded hole 111.

Preferably, the positioning pins 12 are used to achieve the preliminary assembly of the frame 1 and the middle frame 2 before the screws 3 are used to connect the two. Specifically, referring to fig. 3 and 4, the side plate of the frame 1 includes a side plate extending in the front-rear direction and two end plates extending in the left-right direction, the two end plates are connected to both ends of the side plate, the two end plates are respectively connected to two sets of short sides of the top plate and the bottom plate, and the side plate is connected to a set of long sides of the top plate and the bottom plate. One of them the end plate face the central point of the terminal surface of center 2 puts the protrusion and forms a locating pin 12, correspondingly, the central point of the first side of center 2 and the corner that the second side is connected puts and has seted up locating hole 22, locating pin 12 inserts realize in the locating hole 22 frame 1 with the preliminary assembly of center 2 can utilize screw 3 to lock frame 1 and center 2 after preliminary assembly.

The beneficial effect of this embodiment is: the screws are designed to be in a state with an inclination angle, and are matched with conventional auxiliary positioning such as positioning pins and the like, so that after the combination is stressed to form a triangle, the two appearance parts are firmly connected under the fastening of two tiny screws.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The traceless connecting structure of the ultrathin appearance equipment is characterized by comprising a frame and a middle frame, wherein the frame is connected with the middle frame through screws, the extending direction of a pair of first side edges of the middle frame is defined as the front-back direction, the extending direction of a pair of second side edges of the middle frame is defined as the left-right direction, the frame extends along the front-back direction, the screws are obliquely screwed downwards into the frame from one first side edge of the middle frame to be fastened, the screws after being fastened are oblique to a horizontal plane jointly determined by the front-back direction and the left-right direction, and the screws after being fastened are perpendicular to the front-back direction.

2. The traceless connection structure of an ultra-thin appearance device according to claim 1, wherein the positions near the front and rear ends of the bezel are respectively connected to the middle frame by one of the screws.

3. The traceless connecting structure of the ultrathin appearance equipment of claim 2, wherein the frame comprises a top plate, a bottom plate and side plates, wherein the top plate and the bottom plate are arranged opposite to each other in an up-down mode and extend along the front-back direction, the side plates are connected between the top plate and the bottom plate, and the top plate, the bottom plate and the U-shaped side plates jointly enclose to form an open cavity;

4. The traceless connection structure of an ultrathin appearance device as claimed in claim 3, wherein a through hole is formed in the first side edge of the middle frame connected with the frame, the through hole is obliquely arranged for the screw to pass through, the extending direction of the through hole is consistent with the extending direction of the threaded hole, and the threaded portion of the screw is in threaded connection with the threaded hole after passing through the through hole.

5. The traceless connection structure of an ultra-thin appearance device according to claim 3, wherein the side plates of the side frame comprise side plates extending in the front-back direction and two end plates extending in the left-right direction, the two end plates are connected with two ends of the side plates, and an end surface of one of the end plates facing the middle frame protrudes to form a positioning pin; the corner position that the first side of center is connected with the second side has seted up the locating hole, the locating pin inserts realize in the locating hole the frame with the preliminary assembly of center.

6. An ultra-thin appearance device comprising the traceless attachment structure of any of claims 1-5.