CN111225097A

CN111225097A - High-strength anti-deformation handheld terminal rear shell assembly

Info

Publication number: CN111225097A
Application number: CN202010053605.2A
Authority: CN
Inventors: 张冠峰
Original assignee: Shenzhen Tianlong Century Technology Development Co ltd
Current assignee: Shenzhen Tianlong Century Technology Development Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-06-02

Abstract

The invention relates to a high-strength anti-deformation rear shell component of a handheld terminal, which comprises a bottom piece and a rear cover piece fixedly arranged on the bottom piece, wherein the rear cover piece comprises a front end, a middle end and a tail end, the tail end of the rear cover piece is tilted outwards from the front end to the handheld terminal, the middle end is a bent part, the outer side of the middle end is an inwards concave arc surface, and the inner side of the rear cover piece is an outwards convex arc surface.

Description

High-strength anti-deformation handheld terminal rear shell assembly

Technical Field

The invention relates to the technical field of handheld terminal shell design, in particular to a high-strength anti-deformation handheld terminal rear shell assembly.

Background

The hand-held terminal is a portable data processing terminal, has operating systems such as WINDOWS object 6.1/6.5WinCE5.0/6.0, LINUX, Android, ucos and the like, internal memory, CPU, display card, keyboard, screen and the like, data transmission processing capacity and has a battery.

The conventional rear cover of the hand-held terminal is shown in fig. 1 and includes a base member 100 and a rear cover member 200, which are flush with each other. However, after repeated use, as shown in fig. 2, the battery may be expanded and deformed due to heat, an impact force F1 is generated toward the rear cover member 200, so that the rear cover adjacent to the battery may be affected, and an outward protruding deformation may be generated to affect the use and cause the rear cover to be discarded.

Disclosure of Invention

The invention provides a high-strength anti-deformation handheld terminal rear shell assembly, which can enhance the anti-deformation strength of a rear cover, the rear cover is not easy to deform due to battery expansion, and the rear cover also has the effect of inhibiting the battery deformation.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a handheld terminal backshell subassembly of high strength resistance to deformation, includes the bottom to and set firmly the back lid on the bottom, back lid includes front end, middle-end, tail end, and back lid tail end than the front end perk outward to handheld terminal, and the middle-end is the bending part.

By adopting the above technical scheme, after the rear cover piece is installed on the bottom piece, the middle end is bent towards the bottom piece of the bottom piece, and the middle end of the support of the protruding part is not easy to deform from one side to the other side of the outward protrusion, so that the rear cover piece has the capability of resisting the load coming from the protruding part, if the battery generates outward impact due to expansion, the middle end generates reaction force to relieve the impact, the rear cover piece is not easy to deform, and the expansion of the battery can be inhibited.

Furthermore, the outer side of the middle end is an inward concave cambered surface, and the inner side of the rear cover component is an outward convex cambered surface.

By adopting the technical scheme, the middle end is the main part for providing the reaction force of the rear cover part and is also the part with concentrated stress, and if the surface of the middle end has an obvious edge, the middle end can be broken, so that both sides of the middle end adopt cambered surfaces to avoid the concentrated stress.

Further, the rear cover member is a plate having a uniform thickness.

By adopting the technical scheme, the reaction force and the impact resistance of the rear cover part are also related to the thickness of the rear cover part, and the common knowledge shows that the thicker plate has stronger impact resistance and the thinner plate has weaker impact resistance, so that the uniformity of the impact resistance is influenced by the thickness uniformity of the rear cover part; thus, the use of a rear cover member having a uniform thickness can produce a uniform impact resistance to prevent local damage.

Furthermore, after the rear cover piece is installed on the bottom piece, the front end surface of the rear cover piece is flush with the bottom piece, the tail end of the rear cover piece is tilted upwards than the bottom piece, and the parts of two sides of the rear cover piece, which are exposed out of the bottom piece, are widened from the front end to the tail end.

By adopting the technical scheme, because the middle end is protruded, if the front end and the tail end are both level with the bottom piece, the whole rear cover piece is recessed towards the bottom piece, so that the appearance attractiveness of the handheld terminal and the use comfort are affected; therefore, the tail end is arranged in a tilting mode, and the use is not affected.

Furthermore, the front end is fixed on the bottom piece through a fixing piece.

Through adopting above-mentioned technical scheme, the front end is as the one end with the bottom spare parallel and level, and the front end needs to be fixed with the bottom spare to cover the piece and provide powerful support after for.

Furthermore, the side surface of the tail end is provided with a clamping pin which protrudes outwards and is clamped on the bottom piece.

By adopting the technical scheme, the tail end does not need to be fixed by a fixing piece, the tail end is clamped and fixed on the bottom piece by the clamping foot, and then the front end and the bottom piece are fixed by the fixing piece, so that the rear cover piece can be fixed on the bottom piece, and the front end and the tail end are fixed.

Further, the inner edge of the rear cover member is provided with an annular flange.

By adopting the above technical scheme, the annular flange can strengthen the strength of the rear cover member, enhance the ability of the rear cover member to resist the load coming from the protruding portion, and enhance the suppression of the battery.

Furthermore, two edges of the annular flange along the direction from the front end to the tail end are provided with long strip-shaped reinforcing ribs protruding outwards.

By adopting the technical scheme, the reinforcing ribs can further strengthen the strength of the rear cover part, further enhance the capability of the rear cover part for resisting the load coming from the protruding part and enable the impact of the battery to hardly cause deformation influence on the rear cover part.

Furthermore, the periphery of the annular flange is provided with a waterproof ring.

Through adopting above-mentioned technical scheme, the waterproof circle can seal the gap between back lid and the bottom, avoids dust, water to get into in the handheld terminal from the two gaps.

Furthermore, the periphery of the annular flange is provided with an annular groove for installing the waterproof ring.

Through adopting above-mentioned technical scheme, the annular is used for installing waterproof circle, restricts waterproof circle's position, avoids waterproof circle to take place to remove.

In conclusion, the beneficial effects of the invention are as follows: 1. when the rear cover member is mounted on the base member, the middle end is bent toward the base member, and the middle end of the support of the protruding portion is less likely to deform from the side of the outward protrusion to the other side, so that the rear cover member has a capability of resisting the load coming from the protruding portion, and if the battery is subjected to an outward impact due to expansion, the middle end generates a reaction force to relieve the impact, the rear cover member is less likely to deform, and the expansion of the battery can be suppressed; 2. the annular flange and the reinforcing rib can reinforce the strength of the rear cover member, reinforce the bending resistance of the rear cover member, reinforce the rear cover member against the load coming from the protruding portion, make the impact of the battery less likely to cause deformation influence on the rear cover member, and also reinforce the suppression of the rear cover member against the battery.

Drawings

FIG. 1 is a schematic diagram of a background art configuration;

FIG. 2 is a cross-sectional view taken at 1-1 of FIG. 1;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a schematic view of the bottom member and rear cover member shown exploded;

FIG. 5 is a side view of the rear cap member in a front-to-rear direction;

fig. 6 is a cross-sectional view taken at 2-2 of fig. 3.

In the figure, 100, the bottom piece; 110. an installation position; 200. a rear cover member; 210. a front end; 211. assembling hole sites; 220. a middle end; 230. a tail end; 231. clamping a pin; 240. an annular flange; 241. a ring groove; 242. reinforcing ribs; 300. and a fixing member.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 3 and 4, the present invention provides a high-strength anti-deformation rear cover assembly for a handheld terminal, which comprises a base member 100 and a rear cover member 200, wherein a mounting position 110 for mounting the rear cover member 200 is provided on the base member 100. The rear cover 200 is a plate having a uniform thickness, and it is an arc-shaped plate.

The rear cap member 200 includes a front end 210, a middle end 220, and a rear end 230 (in this embodiment, divided along the length of the rear cap member 200 and divided by a dotted line), wherein the outward side of the rear cap member 200 is the outer side, and the inward side is the inner side. Referring to fig. 5, the end of the tail end 230 away from the front end 210 is tilted inward to outward, and the bending portion is at the middle end 220. The side of the tail end 230 away from the front end 210 is provided with a clip 231 protruding outwards, the clip 231 is provided with two positions symmetrically arranged along the central line of the length direction of the rear cover member 200, the clip 231 is arranged at the lower part of the side of the tail end 230, and the bottom surface of the clip 231 is flush with the inner side of the rear cover member 200.

Referring to FIG. 5, the outer side of the middle end 220 is an inwardly concave arc surface, and the inner side of the rear cover member 200 is an outwardly convex arc surface. The middle end 220 is a main part for providing the reaction force of the rear cap 200, and is also a part for stress concentration, and if the surface of the middle end 220 has a significant edge, the middle end 220 may be broken, so both sides of the middle end 220 adopt an arc surface to avoid stress concentration.

Referring to fig. 4, two assembling hole sites 211 are provided on the end of the front end 210 away from the rear end 230, and the two assembling hole sites 211 are also symmetrically disposed along the center line of the rear cover member 200 in the length direction. On the bottom piece 100, the part corresponding to the front end 210 is provided with an assembly part 120 corresponding to an assembly hole site 211, the part corresponding to the tail end 230 is provided with hole sites 130 (shown in fig. 6) matched with the position, shape and number of the clamping feet 231, the hole sites 130 are arranged near the top surface of the bottom piece 100, and after the clamping feet 231 are clamped in the hole sites 130, the side surface of the tail end 230 is partially exposed outside the bottom piece 100.

The locking pin 231 is inserted into the hole position 130, and then fixed to the assembly position 120 of the bottom piece 100 by the assembly hole position 211 of the front end 210 of the fixing piece 300, wherein the fixing piece 300 can be a screw.

Referring to fig. 3, when the rear cover member 200 is mounted on the base member 100 in the above-described manner, the front end 210 is flush with the top surface of the base member 100, the rear end 230 is tilted outward from the handheld terminal than the front end 210, and the surface of the middle end 220 of the rear cover member 200 is gradually raised in the direction from the front end 210 to the rear end 230. Two side walls of the middle end 220 along the direction from the front end 210 to the tail end 230 are gradually exposed outside the bottom piece 100, and the exposed part of the bottom piece 100 is widened from the front end 210 to the tail end 230.

Referring to fig. 6, when the battery swells outward, an outward impact is generated, and since the rear cover member 200 is inwardly concave, it is not easily deformed from the inside to the outside, the bent middle end 220 generates a reaction force to resist the outward impact of the battery, and also to suppress the swelling of the battery.

Referring to fig. 5, an annular flange 240 is provided inside the rear cap member 200 along its peripheral edge, and the deformation resistance of the rear cap member 200 can be reinforced by the annular flange 240. Elongated ribs 242 extend outwardly from the ends of the two side walls of the annular flange 240 in the direction from the front end 210 to the rear end 230, and the ribs 242 reinforce the bending resistance of the middle end 220, so that the rear cover member 200 has a strong bending resistance and can reinforce the reaction force against the battery.

An annular groove 241 is further formed on the outer peripheral side of the annular flange 240, and a waterproof ring (not shown) made of rubber is arranged on the annular groove 241, and the waterproof ring can seal a gap between the rear cover member 200 and the bottom member 100 to prevent dust and water from entering.

The implementation principle of the invention is as follows: referring to fig. 6, if the battery expands and impacts the rear cover member 200, since the protruding portion of the rear cover member 200 protrudes toward the battery, the protruding portion combining the reinforcing rib 242 and the annular flange 240 generates a reaction force against the impact, so that the rear cover member 200 has a capability of resisting a load coming from the protruding portion, the strength of the rear cover member 200 is strengthened, the rear cover member 200 is less likely to be deformed, and the deformation of the battery can be suppressed.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited in sequence, so: all equivalent changes made according to the structure, shape and principle of the invention should be covered within the protection scope of the invention.

Claims

1. Handheld terminal backshell subassembly of high strength resistance to deformation includes bottom piece (100) to and set firmly back lid (200) on bottom piece (100), its characterized in that: back lid piece (200) include front end (210), well end (220), tail end (230), back lid piece (200) tail end (230) than front end (210) to handheld terminal outer perk, well end (220) are the bending part.

2. The high strength, deformation resistant hand held terminal back case assembly of claim 1, wherein: the outer side of the middle end (220) is an inward concave arc surface, and the inner side of the rear cover component (200) is an outward convex arc surface.

3. The high strength, deformation resistant hand held terminal back case assembly of claim 2, wherein: the rear cover member (200) is a plate having a uniform thickness.

4. The high strength, deformation resistant hand held terminal back case assembly of any one of claims 1-3, wherein: back lid piece (200) are installed back on end piece (100), back lid piece (200) front end (210) surface and end piece (100) parallel and level, tail end (230) of back lid piece (200) upwarp than end piece (100), the part that back lid piece (200) both sides were exposed end piece (100) is widened to tail end (230) direction by front end (210).

5. The high strength, deformation resistant hand held terminal back case assembly of claim 4, wherein: the front end (210) is fixed on the bottom piece (100) through a fixing piece (300).

6. The high strength, deformation resistant hand held terminal back case assembly of claim 5, wherein: the side surface of the tail end (230) is provided with a clamping pin (231) protruding outwards, and the clamping pin (231) is clamped on the bottom piece (100).

7. The high strength, deformation resistant hand held terminal back case assembly of claim 4, wherein: the inner edge of the rear cover member (200) is provided with an annular flange (240).

8. The high strength, deformation resistant hand held terminal back case assembly of claim 7, wherein: two edges of the annular flange (240) along the direction from the front end (210) to the tail end (230) are provided with long-strip-shaped reinforcing ribs (242) protruding outwards.

9. The high strength, deformation resistant hand held terminal back case assembly of claim 7, wherein: the periphery of the annular flange (240) is provided with a waterproof ring.

10. The high strength, deformation resistant hand held terminal back case assembly of claim 9, wherein: and a ring groove (241) for installing a waterproof ring is arranged on the periphery of the annular flange (240).