CN218416440U

CN218416440U - Folding screen is fretwork support for cell-phone

Info

Publication number: CN218416440U
Application number: CN202221406183.3U
Authority: CN
Inventors: 宋悦斌
Original assignee: Jiaxing Jingke Technology Co ltd
Current assignee: Jiaxing Jingke Technology Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2023-01-31
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses a folding screen is fretwork support for cell-phone, including the support main part, be provided with first fretwork portion, second fretwork portion and track piece in the support main part, the track piece includes two support bars, is provided with the connecting plate between two support bars, be provided with the brace rod on the support bar, two be provided with first backup pad between the brace rod, be provided with the second backup pad in the first fretwork portion, set up the third backup pad in the second fretwork portion, the terminal surface both sides of keeping away from track piece one end in the support main part are provided with first backup pad, the terminal surface of first backup pad, first backup pad and second backup pad and the terminal surface of first backup pad all flush with the terminal surface of support main part mutually, improve the intensity of each structure department in the support main part, prevent that it from taking place deformation in sintering process, and need not to reuse expensive ceramic tool, reduction in production cost.

Description

Folding screen is fretwork support for cell-phone

Technical Field

The utility model belongs to the technical field of the cell-phone part, more specifically the utility model relates to a folding screen is fretwork support for cell-phone that says so.

Background

Along with the development and popularization of the folding screen mobile phone, the requirements on internal parts of the folding screen mobile phone are higher and higher, and the requirements cannot be met by traditional machining.

Metal powder injection molding (MIM for short) is a novel molding technology for parts formed by combining multiple subjects such as plastic molding technology, polymer chemistry, powder metallurgy technology, metal material science and the like. The method can utilize a mould to inject and form a blank, quickly manufacture structural parts with high density, high precision and three-dimensional complex shapes by sintering, quickly and accurately materialize design ideas into products with certain structural and functional characteristics, and can directly carry out mass production. In the process of sintering the product, the heating speed, the sintering temperature and time, the cooling speed, the sintering atmosphere and the product are influenced by factors such as gravity in a vacuum furnace, and the sintered part can deform and the like.

As shown in fig. 3, the precision requirement of the hollow support in the existing folding screen mobile phone is very high, when the mobile phone passes through the sintering process in the MIM process, the product is thin in wall and light in weight, and is easy to deform in the sintering process, so that the size of the product does not reach the standard.

Consequently, this application carries out structural design in the original structure of fretwork support, makes it need not to use ceramic tool to support when the sintering, effectively reduces the deformation degree when its sintering simultaneously to reduction in production cost.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a folding screen is fretwork support for cell-phone sets up bearing structure on original structure basis, reduces its deformation that takes place when the sintering, need not to use ceramic tool, reduce cost.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a folding screen is fretwork support for cell-phone, includes the support main part, be provided with first fretwork portion, second fretwork portion and track piece in the support main part, the track piece includes two support bars, is provided with the connecting plate between two support bars, be provided with the brace rod on the support bar, two be provided with first backup pad between the brace rod, be provided with the second backup pad in the first fretwork portion, set up the third backup pad in the second fretwork portion, the terminal surface both sides of keeping away from track piece one end in the support main part are provided with first supporting block, the terminal surface of the surface of first supporting bar, first backup pad and second backup pad and the terminal surface of first supporting block all flushes with the terminal surface of support main part mutually.

Further, a through groove is formed between the first supporting plate and the support main body.

Furthermore, the second supporting plate is integrally L-shaped, the short edge of the second supporting plate is connected with the side face of the first hollow-out part, and the long edge of the second supporting plate is connected with the bottom face of the first hollow-out part.

Furthermore, a plurality of bulges are arranged on the bracket main body, second supporting blocks are arranged on the bulges, and the end surfaces of the second supporting blocks are flush with the end surfaces of the bracket main body.

Furthermore, a through hole is formed in one end, far away from the rail block, of the support main body, an opening is formed in one side, facing the end face of the support main body, of the through hole, and a fourth supporting plate is arranged in the through hole.

Furthermore, the side of the supporting rib is smaller than the supporting bar, the second supporting block is smaller than the protrusion, a groove is formed between the second supporting plate and the side of the first hollow-out part, and the top surface of the second supporting plate is lower than the surface of the support main body.

Compared with the prior art, the beneficial effects of the utility model are that: the support ribs and the first support plate are arranged on the track part of the support main body to improve the strength of the track part in the sintering process and prevent the track part from bending and deforming; the second support plate and the third support plate are arranged in the first hollow-out part and the second hollow-out part to prevent the side walls of the two hollow-out parts from deforming and bending; and the end faces of the ceramic support blocks are supported by the first support blocks arranged on the end faces, so that the ceramic support blocks are prevented from being bent and deformed by gravity during sintering, and therefore, expensive ceramic jigs are not needed to be used, and the production cost is reduced.

Drawings

FIG. 1 is a schematic structural view of a hollow bracket of the present invention;

fig. 2 is a schematic structural view of the hollow bracket at another viewing angle in the present invention;

fig. 3 is a schematic structural diagram of a hollow bracket in the prior art.

Reference numerals: 1. a stent body; 2. a first hollow-out section; 3. a second hollowed-out portion; 4. a track block; 5. a connecting plate; 6. supporting ribs; 7. a first support plate; 8. a second support plate; 9. a third support plate; 10. a first support block; 11. a through groove; 12. a protrusion; 13. a second support block; 14. a through hole; 15. a fourth support plate; 16. a groove; 17. a support strip.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The present invention is further explained with reference to fig. 1 to 3.

The utility model provides a folding screen is fretwork support for cell-phone, includes support subject 1, be provided with first fretwork portion 2, second fretwork portion 3 and track piece 4 on the support subject 1, track piece 4 includes two support bars 17, is provided with connecting plate 5 between two support bars 17, be provided with brace rod 6 on the support bar 17, two be provided with first backup pad 7 between the brace rod 6, be provided with second backup pad 8 in the first fretwork portion 2, set up third backup pad 9 in the second fretwork portion 3, the terminal surface both sides of keeping away from track piece 4 one end on the support subject 1 are provided with first backup pad 10, the terminal surface of first backup pad 6, first backup pad 7 and second backup pad 8 and the terminal surface of first backup pad 10 all flushes with the terminal surface of support subject 1 mutually.

As shown in fig. 1 and 2, the support ribs 6 and the first support plates 7 are arranged on the track blocks 4 of the bracket main body 1 to reinforce the strength of the support bars 17 during sintering, so that the two support bars 17 are prevented from being bent close to each other or away from each other during sintering, and the connecting plate 5 is prevented from being bent too far to cause cracks; the strength of the first hollow part 2 during sintering is enhanced through the second supporting plate 8 in the first hollow part 2, and the upper layer of the first hollow part 2 is prevented from bending downwards in the sintering process; the thin walls on the two sides of the second hollow part 3 are supported by a third supporting plate 9 in the second hollow part 3, so that the thin walls on the two sides are prevented from being folded towards the middle or expanded and bent outwards in the sintering process; can support the tip plane of support subject 1 through first supporting block 10 on the support subject 1, this department plane receives the crooked deformation of gravity when preventing the sintering, thereby improve the intensity of support subject 1 when the sintering through foretell additional strengthening, reduce the deformation when the sintering, after the part sintering is accomplished, can get rid of each additional strengthening machine tooling through the lathe can, set up additional strengthening through the direct position that easily deforms at support subject 1 and improve the anti deformability of support subject 1 in the sintering process, and need not using the ceramic tool that the price is expensive, the production cost is reduced, reduce the deformation of part.

As shown in fig. 1, in this embodiment, preferably, a through groove 11 is disposed between the first support plate 7 and the bracket body 1, and the through groove 11 reduces the weight of the first support plate 7 and facilitates the difficulty of machining after sintering.

In this embodiment, preferably, the second supporting plate 8 is integrally "L" shaped, a short side of the second supporting plate is connected to a side surface of the first hollow portion 2, a long side of the second supporting plate is connected to a bottom surface of the first hollow portion 2, and a short side of the second supporting plate 8 is connected to a side surface of the first hollow portion 2, so that in a sintering process, a side end surface of the first hollow portion 2 is prevented from being bent and deformed, and meanwhile, subsequent machining is facilitated.

Preferably, the length of the short side of the second supporting plate 8 is smaller than that of the long side, so that a gap is formed between the short side and the long side, and the short side is prevented from contacting with the straight corner of the first hollow groove, and the subsequent machining is also facilitated.

In this embodiment, preferably, the bracket body 1 is provided with a plurality of protrusions 12, the protrusions 12 are provided with second supporting blocks 13, end surfaces of the second supporting blocks 13 are flush with end surfaces of the bracket body 1, and the protrusions 12 on the bracket body 1 are supported by the second supporting blocks 13.

In this embodiment, preferably, a through hole 14 is formed in one end of the bracket body 1 away from the rail block 4, an opening is formed in one side of the through hole 14 facing the end surface of the bracket body 1, a fourth support plate 15 is arranged in the through hole 14, and the fourth support plate 15 ensures that the through hole 14 cannot be bent or deformed in the sintering process.

In this embodiment, preferably, the side surface of the supporting rib 6 is smaller than the supporting bar 17, the second supporting block 13 is smaller than the protrusion 12, a groove 16 is formed between the second supporting plate 8 and the side surface of the first hollow portion 2, the top surface of the second supporting plate 8 is lower than the surface of the bracket body 1, and the following machining is facilitated.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a folding screen is fretwork support for cell-phone which characterized in that: including the support main part, be provided with first fretwork portion, second fretwork portion and track piece in the support main part, the track piece includes two support bars, is provided with the connecting plate between two support bars, be provided with the brace rod on the support bar, two be provided with first backup pad between the brace rod, be provided with the second backup pad in the first fretwork portion, set up the third backup pad in the second fretwork portion, the terminal surface both sides of keeping away from track piece one end in the support main part are provided with first backup pad, the terminal surface of the surface of first backup pad, first backup pad and second backup pad and first backup pad all flushes with the terminal surface of support main part mutually.

2. The hollow support for the folding screen mobile phone according to claim 1, characterized in that: a through groove is formed between the first supporting plate and the support main body.

3. The hollow support for the folding screen mobile phone according to claim 2, is characterized in that: the second supporting plate is integrally L-shaped, the short edge of the second supporting plate is connected with the side face of the first hollow-out part, and the long edge of the second supporting plate is connected with the bottom face of the first hollow-out part.

4. The hollow support for the folding screen mobile phone according to claim 3, is characterized in that: the support comprises a support body and is characterized in that a plurality of bulges are arranged on the support body, second supporting blocks are arranged on the bulges, and the end surfaces of the second supporting blocks are flush with the end surfaces of the support body.

5. The hollow support for the folding screen mobile phone according to claim 4, is characterized in that: the support body is provided with a through hole at one end far away from the rail block, one side of the through hole facing the end face of the support body is provided with an opening, and a fourth supporting plate is arranged in the through hole.

6. The hollow support for the folding screen mobile phone according to claim 5, is characterized in that: the side of brace rod is less than the support bar, the second supporting shoe is less than protruding, be provided with the recess between the side of second backup pad and first fretwork portion, the top surface of second backup pad is less than the surface of support main part.