CN111836487A - Middle frame and manufacturing method thereof - Google Patents
Middle frame and manufacturing method thereof Download PDFInfo
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- CN111836487A CN111836487A CN201911284590.4A CN201911284590A CN111836487A CN 111836487 A CN111836487 A CN 111836487A CN 201911284590 A CN201911284590 A CN 201911284590A CN 111836487 A CN111836487 A CN 111836487A
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- straight
- middle frame
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- members
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
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- Microelectronics & Electronic Packaging (AREA)
- Joining Of Corner Units Of Frames Or Wings (AREA)
Abstract
The invention relates to the technical field of frames, in particular to a middle frame and a manufacturing method thereof, wherein the middle frame comprises at least two straight-edge components, a round-corner component is connected between every two adjacent straight-edge components, and the round-corner component and the straight-edge components are connected to form a closed structure; the manufacturing method of the middle frame comprises the following steps: the method comprises the following steps: cutting the section bar to obtain at least two straight-edge components; manufacturing a fillet member for connecting two adjacent straight-side members; step two: and connecting the straight-side members by using the fillet members, and assembling to form a closed structure to obtain the middle frame. The invention separately manufactures the straight edge component and the fillet component, and then assembles the straight edge component and the fillet component to form the middle frame, so that the component is produced separately, the production period is short, the casing cost is low, the assembly mode is simple, the yield of the obtained middle frame is high, and the invention is suitable for producing the middle frame of large-size display products in batches.
Description
Technical Field
The invention relates to the technical field of frames, in particular to a middle frame and a manufacturing method thereof.
Background
The middle frame is an outer frame of a display product, and for a large-size display product with the size of 18.5-60 inches, the manufacturing methods of the middle frame commonly used at present are the following three methods:
firstly, opening the mold of the plastic shell;
(II) aluminum alloy extrusion forming and bending forming modes;
and thirdly, directly machining and forming the aluminum alloy.
The middle frames obtained by the three methods are all integrally formed structures, and the three methods have defects: the plastic shell mold opening mode has high mold cost, long mold opening period and is not suitable for middle and small-batch products; the aluminum alloy extrusion forming and bending mode has high process difficulty, difficult control of dimensional precision and high reject ratio; the aluminum alloy is directly machined and formed, has high cost and is not suitable for batch production.
Disclosure of Invention
The invention aims to: aiming at the existing technology, the middle frame manufactured by the prior common method is an integrated structure, wherein the plastic shell mold opening mode has high cost of the mold, long mold opening period and is not suitable for products with medium and small batches; the aluminum alloy extrusion forming and bending mode has high process difficulty, difficult control of dimensional precision and high reject ratio; the aluminum alloy is directly machined and formed, the cost is high, and the aluminum alloy is not suitable for batch production.
In order to achieve the purpose, the invention adopts the technical scheme that:
the middle frame comprises at least two straight-side members, wherein a round corner member is connected between every two adjacent straight-side members, and the round corner member and the straight-side members are connected to form a closed structure.
The middle frame comprises a straight edge component and a round corner component, wherein the round corner component and the straight edge component are connected to form a closed structure which is used as an outer frame of a display product. The straight edge component and the fillet component can be manufactured and molded independently, so that the components are produced independently, the production period is short, the cost of the shell is effectively reduced, the assembly mode is simple, the yield of the obtained middle frame is high, the middle frame is suitable for producing large-size display products in batches in an order form mode, and the size of the large-size display products is generally 18.5-60 inches.
Preferably, the straight edge member is provided with a groove-shaped opening along the length direction, and the opening faces to the inner side of the middle frame, so that the assembly of a display product is facilitated.
Preferably, the straight edge member and the round corner member are detachably connected, so that the assembling is convenient, the operation is simple, and the member replacement is convenient.
Preferably, two ends of the straight edge member are respectively provided with a groove, two ends of the fillet member are respectively provided with a protrusion, or two ends of the straight edge member are respectively provided with a protrusion, two ends of the fillet member are respectively provided with a groove, and the protrusions are matched with the grooves, so that the fillet member is conveniently connected with the straight edge member.
Preferably, the groove is provided with a first through hole, the protrusion is provided with a second through hole, and a fastener is connected between the first through hole and the second through hole and used for connecting the straight edge member and the fillet member.
Preferably, an inner side of the through hole is provided with threads or embedded with a nut, and the fastening piece comprises a screw. And the screw penetrates through the first through hole and the second through hole and is matched with threads for locking, so that the straight edge component and the round corner component are connected.
Preferably, the number of the straight-side members is four, two of the straight-side members are equal in length, and the other two straight-side members are equal in length. Because the currently common middle frame is of a rectangular structure, four straight-side members are needed, wherein two straight-side members are equal in length, and the other two straight-side members are equal in length and are used as four sides of the rectangular structure.
Preferably, the number of the fillet members is four, and the central angle corresponding to the circular arc of the fillet member is 90 °. Because the current commonly used middle frame is of a rectangular structure, the rectangle has four right angles, so that four fillet members are needed, the central angle corresponding to the circular arc of each fillet member is 90 degrees, and the four fillet members can be matched with the four straight-side members to form the rectangular structure in an assembling way.
A manufacturing method of an intermediate frame comprises the following steps:
the method comprises the following steps: cutting the section bar to obtain at least two straight-edge components;
manufacturing a fillet member for connecting two adjacent straight-side members;
step two: and connecting the straight-side members by using the fillet members, and assembling to form a closed structure to obtain the middle frame.
According to the manufacturing method of the middle frame, the straight edge components and the round corner components are manufactured independently, and then the straight edge components and the round corner components are assembled to form the middle frame, so that the components are produced independently, the production period is short, the cost of the shell is effectively reduced, the assembling mode is simple, the operation is convenient, the yield of the obtained middle frame is high, and the manufacturing method is suitable for producing the middle frame of large-size display products in batches in order form.
Preferably, in the first step, the fillet member is manufactured by machining.
In summary, due to the adoption of the technical scheme, the middle frame has the beneficial effects that:
the middle frame comprises a straight edge component and a round corner component, wherein the round corner component and the straight edge component are connected to form a closed structure which is used as an outer frame of a display product. The straight edge component and the fillet component can be manufactured and molded independently, so that the components are produced independently, the production period is short, the cost of the shell is effectively reduced, the assembly mode is simple, the yield of the obtained middle frame is high, the middle frame is suitable for producing large-size display products in batches in an order form mode, and the size of the large-size display products is generally 18.5-60 inches.
The manufacturing method of the middle frame has the advantages that:
according to the manufacturing method of the middle frame, the straight-side components and the round-corner components are manufactured independently, and then the straight-side components and the round-corner components are assembled to form the middle frame, so that the components are produced independently, the production period is short, the cost of the shell is effectively reduced, the assembling mode is simple, the operation is convenient, the yield of the obtained middle frame is high, and the manufacturing method is suitable for producing the middle frame of large-size display products in batches in order form.
Drawings
Fig. 1 is a schematic structural diagram of a middle frame according to embodiment 1 of the present invention.
Fig. 2 is an exploded view of the middle frame according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of a straight-sided member according to embodiment 1 of the present invention.
Figure 4 is a schematic structural view of a fillet member according to embodiment 1 of the invention.
Figure 5 is a side view of a bullnose member as described in example 1 of the present invention.
Fig. 6 is a schematic structural diagram of a middle frame according to embodiment 2 of the present invention.
Fig. 7 is an exploded view of the middle frame according to embodiment 2 of the present invention.
Figure 8 is a schematic structural view of a fillet member according to embodiment 2 of the invention.
Figure 9 is a side view of a bullnose member as described in example 2 of the present invention.
Fig. 10 is a schematic structural diagram of a middle frame according to embodiment 3 of the present invention.
Fig. 11 is an exploded view of the middle frame according to embodiment 3 of the present invention.
Icon: 1-a straight edge member; 2-a fillet member; 3-a groove; 31-a first through hole; 4-bulge; 41-through hole two.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
As shown in fig. 1-5, the middle frame comprises at least two straight-side members 1, a round corner member 2 is connected between two adjacent straight-side members 1, and the round corner member 2 and the straight-side members 1 are connected to form a closed structure. In this embodiment, the number of the straight-side members 1 is four, two of the straight-side members 1 have equal length, and the other two straight-side members 1 have equal length; the number of the fillet members 2 is four, the central angle corresponding to the circular arc of each fillet member 2 is 90 degrees, and the fillet members 2 are used for connecting the adjacent straight-side members 1 to form a rectangular structure.
As shown in fig. 3, the straight-edge member 1 is provided with a groove-shaped opening along the length direction thereof, the opening faces the inner side of the middle frame, the groove is a through groove, the two groove edges of the through groove have different heights, and it is more convenient to assemble display products from the shorter groove edge, such as computer display screens.
The two ends of the straight edge component 1 are respectively provided with a groove 3, the two ends of the fillet component 2 are respectively provided with a bulge 4, and the bulges 4 are matched with the grooves 3. A first through hole 31 is formed in the groove 3, a second through hole 41 is formed in the protrusion 4, and a fastening piece is connected between the first through hole 31 and the second through hole 41. In this embodiment, the fastening member includes a screw, and the through hole 31 is internally threaded or embedded with a nut. And a screw is used for penetrating through the first through hole 31 and the second through hole 41, and the round corner member 2 and the straight side member 1 are connected by matching threads for locking.
The manufacturing method of the middle frame comprises the following steps:
the method comprises the following steps: cutting the section bar to obtain four straight-side members 1, wherein two straight-side members 1 are equal in length, the other two straight-side members 1 are equal in length, and the section bar is an aluminum section bar;
manufacturing four fillet members 2 in a machining mode, wherein the central angle corresponding to the circular arc of each fillet member 2 is 90 degrees;
step two: and connecting the straight-side members 1 by using the fillet members 2, and assembling to form a rectangular structure to obtain the middle frame.
Example 2
As shown in fig. 6 to 9, the present embodiment is different from embodiment 1 in that protrusions 4 are respectively disposed at two ends of the straight-edge member 1, grooves 3 are respectively disposed at two ends of the round-corner member 2, and the protrusions 4 are matched with the grooves 3.
The groove 3 is provided with a first through hole 31, the protrusion 4 is provided with a second through hole 41, a screw is connected between the first through hole 31 and the second through hole 41, and the inner side of the first through hole 31 is provided with a thread or is embedded with a nut. And a screw is used for penetrating through the first through hole 31 and the second through hole 41, and the round corner member 2 and the straight side member 1 are connected by matching threads for locking.
Example 3
As shown in fig. 10 to 11, the present embodiment is different from embodiment 1 in that the number of the straight-side members 1 is two, two straight-side members 1 are equal in length, the number of the fillet members 2 is two, the central angle corresponding to the circular arc of each fillet member 2 is 180 °, and a fillet member 2 is connected between two straight-side members 1.
The two ends of the straight edge component 1 are respectively provided with a groove 3, the two ends of the fillet component 2 are respectively provided with a bulge 4, and the bulges 4 are matched with the grooves 3. A first through hole 31 is formed in the groove 3, a second through hole 41 is formed in the protrusion 4, and a fastening piece is connected between the first through hole 31 and the second through hole 41. In this embodiment, the fastening member includes a screw, and the through hole 31 is internally threaded or embedded with a nut. And a screw is used for penetrating through the first through hole 31 and the second through hole 41, and the round corner member 2 and the straight side member 1 are connected by matching threads for locking.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The middle frame is characterized by comprising at least two straight-side members (1), wherein a fillet member (2) is connected between every two adjacent straight-side members (1), and the fillet member (2) and the straight-side members (1) are connected to form a closed structure.
2. A middle frame according to claim 1, characterized in that the straight edge members (1) are provided with a slotted opening along their length, said opening facing towards the inside of the middle frame.
3. A middle frame according to claim 1, characterized in that the straight edge members (1) and the rounded corner members (2) are detachably connected.
4. A middle frame according to claim 3, characterized in that both ends of the straight-sided member (1) are respectively provided with a groove (3), both ends of the fillet member (2) are respectively provided with a protrusion (4), or both ends of the straight-sided member (1) are respectively provided with a protrusion (4), both ends of the fillet member (2) are respectively provided with a groove (3), and the protrusion (4) and the groove (3) are adapted.
5. The middle frame according to claim 4, wherein the groove (3) is provided with a first through hole (31), the protrusion (4) is provided with a second through hole (41), and a fastening member is connected between the first through hole (31) and the second through hole (41).
6. A middle frame according to claim 5, characterized in that the first through hole (31) is internally threaded or embedded with a nut, and the fastening means comprises a screw.
7. A middle frame according to any of claims 1-6, characterized in that the number of said straight edge members (1) is four, two of said straight edge members (1) being equally long and the other two of said straight edge members (1) being equally long.
8. A middle frame according to claim 7, characterized in that the number of fillet members (2) is four, and the central angle of the circular arc of each fillet member (2) is 90 °.
9. A manufacturing method of an intermediate frame is characterized by comprising the following steps:
the method comprises the following steps: cutting the profile to obtain at least two straight-edge members (1);
manufacturing a fillet member (2) for connecting two adjacent straight-side members (1);
step two: -joining said straight edge members (1) by means of said rounded corner members (2), assembled to form a closed structure, obtaining a middle frame according to any one of claims 1 to 8.
10. A method of manufacturing a middle frame according to claim 9, wherein in the first step, the fillet member (2) is manufactured by machining.
Priority Applications (1)
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CN201911284590.4A CN111836487A (en) | 2019-12-13 | 2019-12-13 | Middle frame and manufacturing method thereof |
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CN201911284590.4A CN111836487A (en) | 2019-12-13 | 2019-12-13 | Middle frame and manufacturing method thereof |
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CN102316294A (en) * | 2011-09-05 | 2012-01-11 | 深圳创维-Rgb电子有限公司 | Television mullion structure and manufacturing method thereof |
CN102595832A (en) * | 2012-03-30 | 2012-07-18 | 深圳市华星光电技术有限公司 | Panel and liquid crystal display device adopting same |
US20170038631A1 (en) * | 2015-04-01 | 2017-02-09 | Boe Technology Group Co., Ltd. | Outer frame and display device |
CN106854970A (en) * | 2015-12-08 | 2017-06-16 | 天津东方海川门窗幕墙工程有限公司 | Reinforced aluminum alloy doors and windows |
CN206906750U (en) * | 2017-07-27 | 2018-01-19 | 深圳Tcl新技术有限公司 | Liquid crystal display |
CN207010833U (en) * | 2017-07-27 | 2018-02-13 | 深圳Tcl新技术有限公司 | Liquid crystal TV set |
CN211184545U (en) * | 2019-12-13 | 2020-08-04 | 成都万创科技有限责任公司 | Middle frame |
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2019
- 2019-12-13 CN CN201911284590.4A patent/CN111836487A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US20080100768A1 (en) * | 2006-11-01 | 2008-05-01 | Samsung Electronics Co., Ltd. | Container, display apparatus including the same, and method of manufacturing display apparatus |
CN102316294A (en) * | 2011-09-05 | 2012-01-11 | 深圳创维-Rgb电子有限公司 | Television mullion structure and manufacturing method thereof |
CN102595832A (en) * | 2012-03-30 | 2012-07-18 | 深圳市华星光电技术有限公司 | Panel and liquid crystal display device adopting same |
US20170038631A1 (en) * | 2015-04-01 | 2017-02-09 | Boe Technology Group Co., Ltd. | Outer frame and display device |
CN106854970A (en) * | 2015-12-08 | 2017-06-16 | 天津东方海川门窗幕墙工程有限公司 | Reinforced aluminum alloy doors and windows |
CN206906750U (en) * | 2017-07-27 | 2018-01-19 | 深圳Tcl新技术有限公司 | Liquid crystal display |
CN207010833U (en) * | 2017-07-27 | 2018-02-13 | 深圳Tcl新技术有限公司 | Liquid crystal TV set |
CN211184545U (en) * | 2019-12-13 | 2020-08-04 | 成都万创科技有限责任公司 | Middle frame |
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Address after: 610041 doctor Pioneer Park, Chengdu, China, No.5 Gaopeng Avenue, high tech Zone, Chengdu, Sichuan Province Applicant after: Chengdu wanchuang Technology Co.,Ltd. Address before: 610041 doctor Pioneer Park, Chengdu, China, No.5 Gaopeng Avenue, high tech Zone, Chengdu, Sichuan Province Applicant before: VANTRON TECHNOLOGY, Inc. |
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Application publication date: 20201027 |