WO2020015349A1

WO2020015349A1 - Foldable bracket

Info

Publication number: WO2020015349A1
Application number: PCT/CN2019/073124
Authority: WO
Inventors: 吕信宏; 吕权晋; 彭文涛
Original assignee: 东莞市凯缇瑞智能家居有限公司
Priority date: 2018-07-20
Filing date: 2019-01-25
Publication date: 2020-01-23

Abstract

A foldable bracket, comprising an upper panel (1), a lower panel (2), a connecting plate (5), an upper angle adjusting mechanism and a lower angle adjusting mechanism, wherein the upper panel (1) is rotatably mounted on the upper end of the connecting plate (5); the upper angle adjusting mechanism is installed between the connecting plate (5) and the upper panel (1), and the lower panel (2) is rotatably mounted on the lower end of the connecting plate (5); and the lower angle adjustment mechanism is installed between the connecting plate (5) and the lower panel (2). The foldable bracket is relatively simple to manufacture and install, has a low production cost, is easy to popularize, is flexible to adjust, and is easy to carry.

Description

Folding bracket

Technical field

The utility model relates to a bracket, in particular to a folding bracket for a mobile terminal which is easy to carry, convenient to fold, and can be folded at multiple angles.

Background technique

With the rapid development of computer technology, portable computers with convenient functions and complete functions are becoming more and more popular. As a small portable personal computer, the tablet computer has been used more and more widely because of its novel appearance, light weight, and small size. Generally, when a tablet computer is in use, it is usually placed directly on the desktop or in the hands of the user. This method of use is relatively simple, and both hands can touch the screen and back panel of the tablet computer, which easily changes the computer. dirty.

At present, there are some tablet computer brackets on the market. These brackets are not flexible enough in the support process. At the same time, they are more complicated to manufacture and install, and they are expensive to use and difficult to be widely promoted.

Summary of the invention

To overcome the shortcomings of the prior art, the present utility model provides a mobile terminal folding bracket. The technical solution of the utility model is:

A folding bracket includes an upper panel, a lower panel, a connection plate, an upper angle adjustment mechanism and a lower angle adjustment mechanism. The upper end of the connection plate is rotatably mounted with an upper panel, and an upper angle is installed between the connection plate and the upper panel. An adjusting mechanism, a lower panel is rotatably installed at the lower end of the connecting plate, and a lower angle adjusting mechanism is installed between the connecting plate and the lower panel.

The upper angle adjustment mechanism includes a first upper rotation shaft, a second upper rotation shaft, a first angle adjustment plate, and a second angle adjustment plate. The upper end of the connection plate is located in the middle of one side of the upper panel and passes through the first upper rotation shaft. It is rotatably connected with the upper panel; a groove is provided in the middle of the upper panel, and a second upper rotation shaft is installed to rotate along the length of the groove, and a first angle is installed to rotate on the second upper rotation shaft. An adjustment plate and a second angle adjustment plate. The first angle adjustment plate is provided with an upper rectangular hole accommodating the second angle adjustment plate, and the connection plate is provided with a plurality of upper adjustment positioning grooves arranged in parallel with each other. The first angle adjusting plate and the second angle adjusting plate are matched with the upper adjusting positioning groove according to the turning angle of the upper panel.

The lower angle adjustment mechanism includes a first lower rotation shaft, a second lower rotation shaft, and a third angle adjustment plate. The lower end of the connection plate is located in the middle of one side of the lower panel, and communicates with the lower panel through the first lower rotation shaft. Rotating together, a lower rectangular hole is opened in the middle of the connecting plate, and a second lower rotating shaft is passed through the lower rectangular hole. The upper end of the third angle adjusting plate is rotatably installed on the second On the lower rotating shaft, the lower end is matched with the lower adjusting positioning grooves provided on the lower plate according to the angle adjusted by the connecting plate, and there are several lower adjusting positioning grooves arranged in parallel with each other.

The upper panel is provided with an upper panel hole, and the lower panel is provided with a lower panel hole.

When the upper panel and the lower panel form a gap, the upper panel, the connecting plate and the lower panel are arranged in a Z-shape.

The upper angle adjustment mechanism includes a first upper rotation shaft, a second upper rotation shaft, a third upper rotation shaft, a first angle adjustment plate, and a non-slip hook. The upper end of the connection plate is located in the middle of one side of the upper panel and passes through the first An upper shaft is rotatably connected with the upper panel; a middle hole is provided in the middle of the upper panel, and one side hole is respectively provided on the upper plate on both sides of the middle hole, and the two side holes are symmetrically arranged along the middle hole; The second upper rotating shaft passes through two side holes in sequence, and non-slip hooks are installed on the second upper rotating shaft. Each side hole corresponds to a non-slip hook, and the non-slip hook rotates back and forth to the side. The inside and outside of the hole are limited by the upper panel; the third upper rotation shaft passes through the side hole and the middle hole, and a first upper angle adjustment plate is installed on the third upper rotation shaft. An upper angle adjusting plate is located at the middle hole and cooperates with upper adjusting positioning grooves provided on the connecting plate according to the angle adjusted by the upper plate. The upper adjusting positioning grooves are several and are arranged in parallel with each other.

The lower angle adjustment mechanism includes a first lower rotation shaft, a second lower rotation shaft, and a second angle adjustment plate. The lower end of the connection plate is located in the middle of one side of the lower panel, and communicates with the lower panel through the first lower rotation shaft. Rotating together, a lower rectangular hole is opened in the middle of the connecting plate, a second lower rotating shaft is passed through the lower rectangular hole, and a second lower rotating shaft is installed on the second lower rotating shaft at the lower rectangular hole. An angle adjusting plate. The second angle adjusting plate cooperates with the lower adjusting positioning grooves provided on the lower plate according to the angle adjusted by the connecting plate. The lower adjusting positioning grooves are several and are arranged in parallel with each other.

Decorative plugs are installed on both ends of the first upper shaft, the second upper shaft, the third upper shaft, the first lower shaft, and the second lower shaft.

A connecting plate mounting groove is provided on one side of the upper panel and one side of the lower panel, and the length of the connecting plate mounting groove is two thirds of the length of the connecting plate.

A connecting plate mounting groove is provided on one side of the upper panel and one side of the lower panel, and the length of the connecting plate mounting groove is one third of the length of the connecting plate.

The utility model has the advantages of relatively simple production and installation, low production cost, easy promotion, flexible adjustment and portability. The upper panel can be pulled up with one hand to support it, and when it is stowed, as long as the support angle is lightly changed, the stand can be easily stowed. In addition to the notebook (small size tablet computer, mobile phone, etc.), the utility model can also be used for TVs, projectors, and other 3C electronic products.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic view of a main structure of a first embodiment of the present invention (a schematic diagram of an angle matching relationship among an upper panel, a lower panel, and a connection plate).

FIG. 2 is an exploded view of FIG. 1.

FIG. 3 is another schematic diagram of the upper panel, the lower panel, and the connecting plate in another angle coordination in FIG. 1.

FIG. 4 is a schematic view of a main structure of a second embodiment of the present invention.

FIG. 5 is a rear view of FIG. 4.

FIG. 6 is an exploded view of FIG. 4.

FIG. 7 is a schematic view of a main structure of a third embodiment of the present invention.

detailed description

The following further describes the present invention in combination with specific embodiments. The advantages and features of the present invention will become more clear with the description. However, these embodiments are only exemplary, and do not limit the scope of the present invention in any way. Those skilled in the art should understand that the details and forms of the technical solution of the present invention can be modified or replaced without departing from the spirit and scope of the present invention, but these modifications and replacements fall within the protection scope of the present invention. .

1 to 3, the present utility model relates to a folding bracket, which includes an upper panel 1, a lower panel 2, a connecting plate 5, an upper angle adjusting mechanism and a lower angle adjusting mechanism. The upper end of the connecting plate 5 is rotated. An upper panel 1 is installed, and an upper angle adjustment mechanism is installed between the connecting plate 5 and the upper panel 1. A lower panel 2 is rotatably installed at the lower end of the connecting plate 5 and an interposition is installed between the connecting plate 5 and the lower panel 2. Lower angle adjustment mechanism.

The upper angle adjustment mechanism includes a first upper rotation shaft 11, a second upper rotation shaft 10, a first angle adjustment plate 12 and a second angle adjustment plate 14. The upper end of the connection plate 5 is located in the middle of the upper plate 1 side. And is connected to the upper panel 1 through a first upper shaft 11 (the connecting plate and the upper plate are provided with shaft holes for the first upper shaft to pass through); the middle of the upper panel 1 is opened There is a groove 7, and a second upper shaft 10 is rotatably installed along the length of the groove 7. A first angle adjustment plate 12 and a second angle adjustment plate 14 (in the first An angle adjustment plate and a second angle adjustment plate are provided with a shaft hole for the second upper rotation shaft to pass through), and the first angle adjustment plate 12 is provided with an upper rectangular hole 13 for receiving the second angle adjustment plate. The connecting plate 5 is provided with a plurality of upper adjusting positioning grooves 6 (for positioning at different angles) arranged in parallel with each other. The first angle adjusting plate 12 and the second angle adjusting plate 14 are based on the turning angle of the upper plate 1. Cooperate with the upper adjustment positioning groove (the first angle adjustment plate The second angle adjustment plate against the adjustable positioning groove, according to different angles, different from the adjustable positioning groove fit). When the angle between the connection plate and the upper panel is greater than 30 °, the first angle adjustment plate is used in cooperation with the upper adjustment positioning groove to realize the positioning between the connection plate and the upper panel; when the angle between the connection plate and the upper panel is When it is greater than 0 ° and less than or equal to 30 °, the second angle adjustment plate is used in cooperation with the upper adjustment positioning groove to realize the positioning between the connection plate and the upper panel. When the first angle adjustment plate works, the second angle adjustment plate falls naturally and does not support it; when the second angle adjustment plate works, the first angle adjustment plate falls naturally and does not support it.

The lower angle adjustment mechanism includes a first lower rotation shaft 18, a second lower rotation shaft 17, and a third angle adjustment plate 5. The lower end of the connection plate 5 is located in the middle of one side of the lower panel 2 and passes through the first lower rotation shaft 18. It is rotatably connected with the lower panel 2 (the connecting plate and the lower plate are provided with shaft holes for the first lower rotating shaft to pass through), and a lower rectangular hole 19 is opened in the middle of the connecting plate 5 The second lower rotating shaft 17 passes through the lower rectangular hole 19, and the upper end of the third angle adjusting plate 8 is rotatably mounted on the second lower rotating shaft 17 (the third angle adjusting plate and the connecting plate are provided) There is a shaft hole through which the second lower rotating shaft passes), and the angle adjusted at the lower end according to the connection plate 5 cooperates with the lower adjustment positioning groove 9 provided on the lower plate 2 (the third angle adjustment plate abuts in the lower adjustment positioning groove according to different angles) , In cooperation with different lower adjusting positioning grooves), the lower adjusting positioning grooves 9 are several, and are arranged in parallel with each other for adjusting at different angles.

The upper panel is provided with an upper panel hole 3 for heat dissipation; the lower panel is provided with a lower panel hole 4 to reduce the weight of the bracket without affecting the quality of the product.

When the upper panel 1 and the lower panel 2 form a gap, the upper panel 1, the connecting plate 5, and the lower panel 2 are arranged in a Z-shape (when unfolded).

The working principle of this embodiment is that the upper panel can be pulled up with one hand. When the predetermined angle position is reached, since the first upper rotation shaft can be easily rotated, the first upper angle adjustment plate will naturally fall due to gravity. When the upper panel is pulled , The first angle adjustment plate will fall to adjust the positioning angle in the positioning groove to prevent slipping. When the connecting plate is also pulled, the third angle adjustment plate also falls naturally due to gravity. The third angle adjustment plate and the lower adjustment positioning slot cooperate to limit the position to fix the angle.

As shown in FIG. 4 and FIG. 6, the upper angle adjustment mechanism includes a first upper rotation shaft 11, a second upper rotation shaft 12, a third upper rotation shaft 20, a first angle adjustment plate 12, and a non-slip hook 21. The upper end of the plate 2 is located in the middle of one side of the upper panel 1 and is rotatably connected to the upper panel 1 through a first upper rotating shaft 11; a middle hole 23 is opened in the middle of the upper panel 1 and two sides of the middle hole 23 The upper plate is provided with one side hole 24, and the two side holes 24 are symmetrically arranged along the middle hole 23. The second upper shaft 10 passes through the two side holes 24 in succession on the second upper shaft 10. A non-slip hook 21 is installed, each side hole 24 corresponds to a non-slip hook 21, and the non-slip hook 21 rotates back and forth between the inside and the outside of the side hole, and is limited by the upper panel 1 (the upper panel makes The anti-slip hook is arranged perpendicularly to the upper panel, so that the anti-slip hook can lift the product placed thereon; the third upper rotating shaft 20 passes through the side hole 24 and the middle hole 23, and A first upper angle adjustment plate 12 is installed on the third upper rotation shaft 20. The first upper angle adjustment plate 12 is located at the middle hole 23 and is rooted. The angle adjusted by the upper panel cooperates with the upper adjustment positioning groove 6 provided on the connection plate (the first angle adjustment plate abuts the upper adjustment positioning groove and cooperates with different upper adjustment positioning grooves according to different angles). There are several upper adjusting positioning grooves 6, which are arranged in parallel with each other.

The lower angle adjustment mechanism includes a first lower rotation shaft 18, a second lower rotation shaft 17, and a second angle adjustment plate 8. The lower end of the connection plate 3 is located in the middle of one side of the lower panel 2 and passes through the first lower rotation shaft 18. Rotatingly connected with the lower panel, a lower rectangular hole 19 is opened in the middle of the connecting plate 3, and the second lower rotating shaft 17 is passed through the lower rectangular hole 19 at the lower rectangular hole. A second angle adjusting plate 8 is installed on the second lower rotating shaft 17 of the second angle adjusting plate 8. According to the angle adjusted by the connection plate, the second angle adjusting plate 8 cooperates with the lower adjusting positioning groove provided on the lower plate 2 (the second angle adjusting plate is pressed against the lower adjustment). The positioning grooves are matched with different upper adjusting positioning grooves according to different angles. There are several lower adjusting positioning grooves, which are arranged in parallel with each other.

Decorative plugs 22 are mounted on both ends of the first upper rotation shaft 11, the second upper rotation shaft 10, the third upper rotation shaft 20, the first lower rotation shaft 18, and the second lower rotation shaft 17.

A connecting plate mounting groove 25 is provided on one side of the upper panel and one side of the lower panel, and the length of the connecting plate mounting groove is one third of the length of the connecting plate.

The working principle of this embodiment is that the upper panel can be pulled up with one hand. When the predetermined angle position is reached, since the first upper rotation shaft can be easily rotated, the first upper angle adjustment plate will naturally fall due to gravity. When the upper panel is pulled , The first angle adjustment plate will fall to adjust the positioning angle in the positioning groove to prevent slipping. When the connecting plate is also pulled, the third angle adjustment plate also falls naturally due to gravity. The third angle adjustment plate and the lower adjustment positioning slot cooperate to limit the position to fix the angle. Rotate the non-slip hooks out of the side holes, and place the tablet and other electronic products directly into the non-slip hooks to use the tablet.

As shown in FIG. 7, the difference from the second embodiment is that a connecting plate mounting groove is provided on one side of the upper panel and one side of the lower panel, and the length of the connecting plate mounting groove is equal to the length of the connecting plate. Two thirds.

Claims

A folding bracket is characterized in that it comprises an upper panel, a lower panel, a connecting plate, an upper angle adjusting mechanism and a lower angle adjusting mechanism. The upper end of the connecting plate is rotatably mounted with an upper panel, and the connecting plate is between the upper plate and the upper panel. An upper angle adjustment mechanism is installed, and a lower panel is rotatably installed at the lower end of the connection plate, and a lower angle adjustment mechanism is installed between the connection plate and the lower panel.
The folding bracket according to claim 1, wherein the upper angle adjustment mechanism comprises a first upper rotation shaft, a second upper rotation shaft, a first angle adjustment plate and a second angle adjustment plate, and the connection plate The upper end of the upper panel is located in the middle of one side of the upper panel, and is rotatably connected to the upper panel through a first upper rotating shaft. A groove is provided in the middle of the upper panel, and a second upper part is installed to rotate along the length of the groove. A rotating shaft is mounted on the second upper rotating shaft, and is provided with a first angle adjustment plate and a second angle adjustment plate. The first angle adjustment plate is provided with an upper rectangular hole accommodating the second angle adjustment plate. The connecting plate is provided with a plurality of upper adjusting positioning grooves arranged in parallel with each other, and the first angle adjusting plate and the second angle adjusting plate cooperate with the upper adjusting positioning grooves according to the turning angle of the upper panel.
The folding bracket according to claim 2, wherein the lower angle adjustment mechanism comprises a first lower rotation shaft, a second lower rotation shaft, and a third angle adjustment plate, and the lower end of the connection plate is located on the lower plate. The middle part of the side is rotatably connected with the lower panel through a first lower rotating shaft. A lower rectangular hole is opened in the middle part of the connecting plate, and the second lower rotating shaft passes through the lower rectangular hole. The upper end of the third angle adjustment plate is rotatably mounted on the second lower shaft, and the lower end is matched with the lower adjustment positioning grooves provided on the lower plate according to the angle adjusted by the connection plate. Set in parallel.
The folding bracket according to claim 2 or 3, wherein the upper panel is provided with an upper panel hole, and the lower panel is provided with a lower panel hole.
The folding bracket according to claim 4, characterized in that when the upper panel and the lower panel form a gap, the upper panel, the connecting plate and the lower panel are arranged in a Z-shape.
The folding bracket according to claim 1, wherein the upper angle adjustment mechanism comprises a first upper rotation shaft, a second upper rotation shaft, a third upper rotation shaft, a first angle adjustment plate, and a non-slip hook. The upper end of the connecting plate is located at the middle of one side of the upper panel, and is connected to the upper panel by a first upper rotating shaft; the middle of the upper panel is provided with middle holes, and the upper plates on both sides of the middle hole are respectively One side hole is provided, and two side holes are symmetrically arranged along the middle hole; the second upper rotation shaft passes through the two side holes in sequence, and a non-slip hook is installed on the second upper rotation shaft, and each side hole corresponds to A non-slip hook, the non-slip hook is reciprocated inside and outside the side hole, and is restricted by the upper panel; the third upper rotation shaft passes through the side hole and the middle hole, and A first upper angle adjustment plate is installed on the third upper rotation shaft. The first upper angle adjustment plate is located at the middle hole and cooperates with an upper adjustment positioning groove provided on the connection plate according to the angle adjusted by the upper plate. Adjust the number of positioning grooves to each other Set in parallel.
The folding bracket according to claim 6, wherein the lower angle adjustment mechanism comprises a first lower rotation shaft, a second lower rotation shaft, and a second angle adjustment plate, and the lower end of the connection plate is located on the lower plate. The middle part of the side is rotatably connected with the lower panel through a first lower rotating shaft. A lower rectangular hole is opened in the middle part of the connecting plate, and the second lower rotating shaft passes through the lower rectangular hole. A second angle adjusting plate is installed on the second lower rotating shaft at the lower rectangular hole, and the second angle adjusting plate cooperates with the lower adjusting positioning groove provided on the lower plate according to the angle adjusted by the connecting plate, and the lower adjusting positioning There are several grooves, which are arranged parallel to each other.
The folding stand according to claim 6, characterized in that decorative plugs are installed at both ends of the first upper shaft, the second upper shaft, the third upper shaft, the first lower shaft, and the second lower shaft. .
The folding bracket according to claim 2 or 3, wherein a connecting plate mounting groove is provided on one side of the upper panel and one side of the lower panel, and the length of the connecting plate mounting groove is a connecting plate. Two thirds of the length.
The folding bracket according to claim 6 or 7, wherein a connecting plate mounting groove is provided on one side of the upper panel and one side of the lower panel, and the length of the connecting plate mounting groove is a connecting plate. One third of the length.