CN216291004U

CN216291004U - High strength resistance to compression prevents falling magnesium alloy cell-phone center

Info

Publication number: CN216291004U
Application number: CN202122302885.9U
Authority: CN
Inventors: 汪佳韦
Original assignee: Dongguan Zhengwei Precision Plastic Co ltd
Current assignee: Dongguan Zhengwei Precision Plastic Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-04-12
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a high-strength compression-resistant anti-falling magnesium alloy mobile phone middle frame, which relates to the field of mobile phone accessories and comprises a mobile phone middle frame, wherein the mobile phone middle frame consists of an outer frame and an inner frame, a plurality of groups of magnesium alloy rods are connected between the outer frame and the inner frame in a crossed manner, the upper layer and the lower layer of the outer frame and the inner frame are provided with reinforcing frames, the upper part of the inner side of the inner frame is connected with a mainboard connecting sheet, the inner side of the mainboard connecting sheet is provided with a shockproof cotton sheet, the lower part of the inner side of the inner frame is provided with a battery mounting groove, and the inner side of the battery mounting groove is provided with a shockproof rubber sheet. The utility model adopts the magnesium alloy reinforced frame of the double-layer magnesium alloy frame, the upper and lower rings of the middle part of the double-layer magnesium alloy frame greatly improve the compression resistance of the middle frame of the mobile phone, the magnesium alloy supporting rods which are connected in the frame in a cross way can unload most of force through the elastic deformation of the supporting rods when the outer frame is impacted, the buffer material is additionally arranged at the joint of the main board and the battery, and can absorb the residual impact force after the frame absorbs most of the impact force, thereby achieving the aim of multi-level buffer.

Description

High strength resistance to compression prevents falling magnesium alloy cell-phone center

Technical Field

The utility model relates to the field of mobile phone accessories, in particular to a high-strength compression-resistant anti-falling magnesium alloy mobile phone middle frame.

Background

With the development of science and technology, the size and screen ratio of smart phones are getting larger and larger, the pressure resistance and falling resistance of the internal structure of the mobile phone face severe challenges, and the middle frame of the mobile phone is a connection area between the front panel and the rear cover and can be used for supporting the whole structure of the mobile phone and protecting the technical core area of the mobile phone.

The existing mobile phone middle frame is single in structure and not strong in pressure resistance, the mobile phone is not protected sufficiently when falling to the ground, the falling resistance performance is not good, the quality is heavier, the internal space of the mobile phone is occupied greatly, and the use experience of consumers and the internal space capacity of the mobile phone are seriously influenced.

SUMMERY OF THE UTILITY MODEL

Based on the above, the utility model aims to provide a high-strength compression-resistant anti-falling magnesium alloy mobile phone middle frame, so as to solve the technical problems that the existing mobile phone middle frame is single in structure, not strong in compression resistance, insufficient in protection of a mobile phone when the mobile phone falls to the ground, poor in anti-falling performance, heavy in weight, large in occupied space inside the mobile phone, and seriously affects the use experience of consumers and the space capacity inside the mobile phone.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a magnesium alloy cell-phone center is prevented falling by high strength resistance to compression, includes the cell-phone center, the cell-phone center comprises frame and inside casing, cross connection has multiunit magnesium alloy pole between frame and the inside casing, the intersection department of magnesium alloy pole is the tie point, the upper and lower two-layer enhancement frame that is provided with of frame and inside casing, the inboard upper portion of inside casing is connected with the mainboard connection piece, the inboard of mainboard connection piece is provided with the cotton piece that takes precautions against earthquakes, the cotton piece that takes precautions against earthquakes and mainboard connection piece all are equipped with the connecting hole that link up, the inboard lower part of inside casing is provided with the battery mounting groove, the inboard of battery mounting groove is provided with the film that takes precautions against earthquakes.

Through adopting above-mentioned technical scheme, adopt magnesium alloy material, make the holistic quality of center alleviate, consumer's use experience has been promoted, the compressive property of cell-phone center has been improved greatly to the frame is strengthened to the magnesium alloy of two rings about the double-deck magnesium alloy frame middle part, cross connection's magnesium alloy branch in double-deck frame, when the outer frame receives the impact, because magnesium alloy's intensity is high, elastic modulus is big, most power is unloaded in the elastic deformation of accessible branch, thereby protect the safety of cell-phone internals, buffer material has been add at mainboard and battery junction, after the frame absorbed most impact force, buffer material can absorb surplus impact force, reach the purpose of multi-level buffering.

The utility model is further provided that an outer rubber frame and an inner rubber frame with equal width are arranged between the reinforcing frame and the outer frame and the inner frame.

By adopting the technical scheme, the outer rubber frame and the inner rubber frame arranged between the outer frame and the inner frame of the mobile phone deform at the outer frame, a certain deformation amount can be provided when the inner frame deforms, and part of impact force can be absorbed.

The utility model is further provided that the magnesium alloy rod is added with an inherent connection point at the intersection point.

Through adopting above-mentioned technical scheme, reinforced tie point can prevent that the frame atress is excessive and make the cracked danger of magnesium alloy pole take place, also can improve the energy-absorbing deformability of magnesium alloy pole simultaneously.

The utility model is further provided that the inner sides of four top angles of the inner frame are all provided with damping rubber.

By adopting the technical scheme, the damping rubber positioned at the inner sides of the four top corners of the inner frame can absorb part of impact force of other parts in the mobile phone, so that the effect of protecting the parts in the mobile phone is achieved.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, the magnesium alloy material is adopted, so that the overall quality of the middle frame is reduced, the use experience of consumers is improved, and the compression resistance of the mobile phone middle frame is greatly improved by the magnesium alloy reinforcing frame which is arranged in the upper circle and the lower circle in the middle of the double-layer magnesium alloy frame;

2. according to the utility model, the magnesium alloy support rods are connected in the double-layer frame in a cross manner, so that when the outer frame is impacted, most of force can be removed through the elastic deformation of the support rods due to the high strength and large elastic modulus of the magnesium alloy, thereby protecting the safety of internal parts of the mobile phone.

3. According to the utility model, the buffer material is additionally arranged at the joint of the main board and the battery, and after most impact force is absorbed by the frame, the buffer material can absorb the residual impact force, so that the aim of multi-level buffer is achieved.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is an enlarged view of A of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view of the upper half of the bezel of the present invention;

FIG. 4 is a cross-sectional view of the lower half of the rim of the present invention;

fig. 5 is a schematic top view of the internal structure of the present invention.

In the figure: 1. a mobile phone middle frame; 2. a main board connecting sheet; 3. a battery mounting groove; 4. an outer frame; 5. an inner frame; 6. a reinforcing frame; 7. an outer rubber frame; 8. an inner rubber frame; 9. a magnesium alloy rod; 10. a connection point; 11. connecting holes; 12. a shockproof cotton sheet; 13. a shockproof film; 14. shock-absorbing rubber.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A high-strength compression-resistant anti-falling magnesium alloy mobile phone middle frame comprises a mobile phone middle frame 1, wherein the mobile phone middle frame 1 is composed of an outer frame 4 and an inner frame 5, a plurality of groups of magnesium alloy rods 9 are connected between the outer frame 4 and the inner frame 5 in a cross mode, reinforcing frames 6 are arranged on the upper layer and the lower layer of the outer frame 4 and the inner frame 5, due to the fact that the magnesium alloy is high in strength and large in elastic modulus, the magnesium alloy rods 9 connected in the cross mode can generate elastic deformation by taking a connecting point 10 of the cross connecting points as an axis to absorb most of force and then transmit the force to the inner frame 5, the inner frame 5 and the outer frame 4 can generate elastic deformation to absorb part of impact force and protect internal components of a mobile phone, a battery mounting groove 3 is arranged on the lower portion of the inner side of the inner frame 5, a shockproof rubber sheet 13 is arranged on the inner side of the battery mounting groove 3, and a battery of the mobile phone can be mounted on the lower portion of the mobile phone middle frame 1 through the battery mounting groove 3, the shockproof film 13 that 3 inboard settings in battery mounting groove can absorb some power, also can prevent through frictional force that the battery from taking place small displacement in vibrations, the inboard upper portion of inside casing 5 is connected with mainboard connection piece 2, the inboard of mainboard connection piece 2 is provided with shockproof cotton piece 12, shockproof cotton piece 12 and mainboard connection piece 2 all are equipped with the connecting hole 11 that link up, the little screw of mainboard accessible of cell-phone passes connecting hole 11 on mainboard connection piece 2 and installs between two mainboard connection pieces 2, the cotton piece 12 that takes precautions against earthquakes of 2 inboard settings of mainboard connection piece can absorb some power, make vibrations reduce, avoid influencing the components and parts work on the mainboard.

Referring to fig. 1, 3 and 4, an outer rubber frame 7 and an inner rubber frame 8 with equal width are disposed between the reinforcing frame 6 and the outer frame 4 and the inner frame 5, and the outer rubber frame 7 and the inner rubber frame 8 disposed between the outer frame 4 and the inner frame 5 of the mobile phone deform the outer frame 4, so as to provide a certain deformation amount to the inner frame 5 when deforming, and also absorb a part of impact force.

Referring to fig. 3, 4 and 5, the inherent connection point 10 is added at the intersection point of the magnesium alloy rod 9, and the reinforced connection point 10 can prevent the magnesium alloy rod 9 from being broken due to the over-stress of the outer frame 4, and can also improve the energy-absorbing deformation capability of the magnesium alloy rod 9.

Referring to fig. 1, the damping rubber 14 is disposed at the inner side of the four corners of the inner frame 5, and the damping rubber 14 disposed at the inner side of the four corners of the inner frame 5 can absorb a part of the impact force of other components in the mobile phone, so as to protect the components in the mobile phone.

The working principle of the utility model is as follows: the main board of the mobile phone can pass through the connecting holes 11 on the main board connecting pieces 2 through small screws and is installed between the two main board connecting pieces 2, the shockproof cotton piece 12 arranged on the inner side of the main board connecting pieces 2 can absorb a part of force, so that the shock is reduced, and the work of components on the main board is prevented from being influenced, the battery of the mobile phone can be installed on the lower part of the middle frame 1 of the mobile phone through the battery installing groove 3, the shockproof rubber piece 13 arranged on the inner side of the battery installing groove 3 can absorb a part of force, and can also prevent the battery from generating tiny displacement in the shock through friction force, the shock absorption rubber 14 positioned on the inner sides of four vertex angles of the inner frame 5 can absorb a part of impact force of other components in the mobile phone, so as to play a role of protecting the components in the mobile phone, the outer frame 4 of the middle frame 1 of the mobile phone is impacted, the force is transmitted to the magnesium alloy rod 9 through the outer frame 4, because the strength of the magnesium alloy is high, the elastic modulus is large, and the magnesium alloy rods 9 in cross connection can generate elastic deformation by taking the crossed connecting points 10 as axes, absorb most power, then conduct power to inside casing 5 again, inside casing 5 and frame 4 all can produce elastic deformation, absorb partly impact force, the effect of the inside components and parts of protection cell-phone has been played, outer rubber frame 7 and the interior rubber frame 8 that set up between cell-phone frame 4 and the inside casing 5 take place deformation at frame 4, can provide certain deformation volume when producing deformation to inside frame 5, also can absorb partly impact force, the upper and lower two-layer enhancement frame 6 that is located cell-phone center 1 can be when the cell-phone receives pressure, provide extra holding power and anti deformability for frame 4 and inside casing 5, the effect of strengthening cell-phone crushing resistance has been played.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a magnesium alloy cell-phone center is prevented falling by high strength resistance to compression, includes cell-phone center (1), its characterized in that: cell-phone center (1) comprises frame (4) and inside casing (5), cross connection has multiunit magnesium alloy pole (9) between frame (4) and the inside casing (5), the upper and lower two-layer of frame (4) and inside casing (5) is provided with strengthens frame (6), the inboard upper portion of inside casing (5) is connected with mainboard connection piece (2), the inboard of mainboard connection piece (2) is provided with shockproof cotton piece (12), shockproof cotton piece (12) and mainboard connection piece (2) all are equipped with connecting hole (11) that link up, the inboard lower part of inside casing (5) is provided with battery mounting groove (3), the inboard of battery mounting groove (3) is provided with shockproof film (13).

2. The middle frame of the high-strength pressure-resistant anti-falling magnesium alloy mobile phone according to claim 1, characterized in that: an outer rubber frame (7) and an inner rubber frame (8) with the same width are arranged between the reinforcing frame (6) and the outer frame (4) and the inner frame (5).

3. The middle frame of the high-strength pressure-resistant anti-falling magnesium alloy mobile phone according to claim 1, characterized in that: the magnesium alloy rod (9) is added with a fixed connection point (10) at the intersection point.

4. The middle frame of the high-strength pressure-resistant anti-falling magnesium alloy mobile phone according to claim 1, characterized in that: damping rubber (14) are arranged on the inner sides of the four top corners of the inner frame (5).