CN211860192U - High-heat-conduction detachable mobile phone terminal - Google Patents

Abstract

The utility model discloses a detachable cell-phone terminal of high heat conduction, it includes the cell-phone shell, the bottom of the inner chamber of the cell-phone shell is fixedly provided with a circuit board and an SIM card mounting seat, the top of the SIM card mounting seat is provided with a cavity matched with the outline of the SIM card, the bottom of the cavity is fixedly provided with a chip, the upper end of the SIM card extends out of the cavity, the conductor of the SIM card is matched with the chip, the output interface of the chip is electrically connected with the input connector of the circuit board; the top of circuit board is provided with the backup pad, is provided with the square groove on the top surface of backup pad, and the square groove is provided with the radiating part, and the radiating part includes heat conduction box and heat dissipation tooth, and the heat conduction box extends in the square groove outside, and the side has set firmly a plurality of heat dissipation teeth about the heat conduction box extends the end, and the other end of heat dissipation tooth runs through the setting of cell-phone shell, and the embedding has the battery in the heat conduction box. The utility model has the advantages that: prevent that the SIM card drops, extension battery life is long, the radiating effect is good, improves circuit board maintenance efficiency, improves screen module and changes efficiency.

Description

High-heat-conduction detachable mobile phone terminal

Technical Field

The utility model relates to a technical field of cell-phone terminal structure, especially a detachable cell-phone terminal of high heat conduction.

Background

At present, with the development of communication technology, mobile phones become indispensable equipment in daily life of people, the existing mobile phones are various and mainly used for communication and have various intelligent functions, people can widely apply the mobile phones, so that the mobile phones become personal articles of modern people, and people can carry around the mobile phones almost every moment.

The existing mobile phone terminal comprises a mobile phone shell, a screen module arranged on the front side of the mobile phone shell, and a battery cover plate arranged on the back side of the mobile phone shell, wherein a circuit board, a battery and an SIM card mounting seat are arranged in the mobile phone shell, a chip matched with an SIM card is arranged on the SIM card mounting seat, an input interface of the chip is electrically connected with an output head of the battery, an output interface of the chip is electrically connected with an input interface of the circuit board, and a pressing sheet is further arranged at the top of the SIM card mounting seat. When the user is to install the SIM card, the wafer is first pulled up or slid horizontally a certain distance, the conductors on the SIM card are then inserted onto the chip, and the wafer is then repositioned so that the wafer is pressed against the top surface of the SIM card, thereby completing the installation of the SIM card. However, when the pressing sheet is used for fixing the SIM card, the pressing sheet is easily pulled out from the SIM card mounting seat due to improper operation or excessive force of a user, and the pressing sheet is loosened, so that the SIM card falls off from the chip, the normal use of the SIM card cannot be met, and extra maintenance cost is increased.

In addition, the existing mobile phone terminal still has the following defects: 1. after the battery in the mobile phone terminal works for a long time or when a user plays games on the mobile phone, a large amount of heat is generated on the battery, and when the temperature is too high, the service life of the battery is shortened, and other parts in the mobile phone terminal can be burnt. Although the existing mobile phone terminal is provided with the heat dissipation structure, the heat dissipation structure dissipates heat inside the mobile phone terminal, and the defect of poor heat dissipation effect exists. 2. The circuit board is installed at the inlayer of cell-phone shell, and when the circuit board damaged the back, the maintenance personal need dismantle multilayer exterior structure just can take out the circuit board in order to maintain, and this is undoubtedly the maintenance efficiency who has reduced the circuit board. 3. The screen module is the most fragile part, when its damage need be changed, and maintenance personal need begin to dismantle the part more than the screen module from the back at cell-phone terminal gradually, just so can make the screen module expose completely, and the screen module of convenient more renewal simultaneously, because the spare part that maintenance personal dismantled is more, this has undoubtedly reduced the change efficiency of screen module. Therefore, a mobile phone terminal that prevents the SIM card from falling off, prolongs the battery life, has a good heat dissipation effect, improves the maintenance efficiency of the circuit board, and improves the replacement efficiency of the screen module is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide one kind and prevent that the SIM card drops, extension battery life is long, the radiating effect is good, improve circuit board maintenance efficiency, improve the screen module and change efficient detachable cell-phone terminal of high heat conduction.

The purpose of the utility model is realized through the following technical scheme: a high heat conduction detachable mobile phone terminal comprises a mobile phone shell, wherein a circuit board and an SIM card mounting seat are fixedly arranged at the bottom of an inner cavity of the mobile phone shell, a cavity matched with the outline of an SIM card is formed in the top of the SIM card mounting seat, a chip is fixedly arranged at the bottom of the cavity, an SIM card is arranged in the cavity, the upper end of the SIM card extends out of the cavity, a conductor of the SIM card is matched with the chip, and an output interface of the chip is electrically connected with an input connector of the circuit board; the battery heat dissipation device comprises a circuit board, and is characterized in that a supporting plate is arranged above the circuit board, a square groove is formed in the top surface of the supporting plate, a heat dissipation part is arranged in the square groove, the heat dissipation part comprises a heat conduction box and heat dissipation teeth, the outline of the heat conduction box is the same as that of the square groove, the heat conduction box is embedded into the square groove, the heat conduction box extends to the outside of the square groove, a plurality of heat dissipation teeth are fixedly arranged on the left side and the right side of the extension end of the heat conduction box, the heat dissipation teeth are distributed along the length direction of a battery, the other end of each heat dissipation tooth penetrates through a mobile phone shell, a battery is embedded into the heat conduction box, an output connector of the battery is in contact with; the back of cell-phone shell is provided with the battery cover, the SIM card is supported and is pressed between the basal surface and the battery cover of die cavity, the battery supports and presses between the basal surface and the battery cover of heat conduction box, cyclic annular package strip has set firmly on the preceding terminal surface of cell-phone shell, the annular chamber has been seted up along its length direction in the cyclic annular package strip, and the embedding has the screen module in the annular chamber, still set up the line hole of crossing of its inner chamber of UNICOM on the preceding terminal surface of cell-phone shell, be connected with the wire between the input interface of screen module and the output connection of circuit board, the wire runs through and crosses the line.

And the circuit board is provided with a signal receiving module and a signal transmitting module.

The distance between two adjacent heat dissipation teeth is equal.

The both sides of cell-phone shell all seted up with heat dissipation tooth matched with logical groove, the other end and the logical groove of heat dissipation tooth cooperate.

The input interface of the chip is arranged on the front side of the SIM card mounting seat, and the output interface of the chip is arranged on the right side of the SIM card mounting seat.

All be provided with buried via I on the edge about the circuit board, a plurality of screw holes I with buried via I matched with are seted up to the bottom of cell-phone shell inner chamber, the circuit board runs through buried via I and with screw hole I threaded connection through countersunk head screw I.

All be provided with on the edge about the backup pad and bury hole II, a plurality of and bury hole II matched with screw hole II have been seted up to the bottom of cell-phone shell inner chamber, the backup pad runs through bury hole II and with screw hole II threaded connection through countersunk screw II.

The support plate is supported on a top surface of the circuit board.

Just being located it on the back of cell-phone shell and all being provided with the tang about, the tang sets up along the length direction of cell-phone shell, just be located its both sides on the terminal surface of battery cover and all set firmly with tang matched with plastic slab, two plastic slabs sliding mounting respectively in two tangs.

The cell-phone shell is interior and be located its inner wall and set firmly the waterproof layer, and the waterproof layer sets firmly along the length direction of cell-phone shell, and the waterproof layer is the bar form, and on the waterproof layer and set up a plurality of and lead to groove matched with cell body along its length direction, cell body and corresponding logical groove intercommunication, the heat dissipation tooth runs through the cell body in order and leads to the groove setting.

The utility model has the advantages of it is following:

1. the top of the SIM card mounting seat of the utility model is provided with a cavity matched with the outline of the SIM card, the bottom of the cavity is fixedly provided with a chip, the SIM card is arranged in the cavity, the upper end part of the SIM card extends out of the cavity, the conductor of the SIM card is matched with the chip, the back of the mobile phone shell is provided with a battery cover, and the SIM card is pressed between the bottom surface of the cavity and the battery cover; when the SIM card in the cavity needs to be taken out and another SIM card needs to be replaced, the battery cover only needs to be slid towards the tail part of the mobile phone shell to expose the original SIM card, at the moment, the SIM card can be directly taken out from the cavity by hand, then, the other SIM card is matched in the cavity, finally, the battery cover is slid towards the top part of the mobile phone shell, and the new SIM card is pressed between the bottom surface of the cavity and the battery cover after the battery cover is in place. Therefore, in the whole process of installing the SIM card, the pressing sheet is not used for installing the SIM card, but the battery cover is used for pressing and pressing the SIM card downwards, so that the pressing sheet type installation mode is adopted in comparison with the traditional pressing sheet type installation mode, the damage of the pressing sheet caused by misoperation or excessive force is effectively avoided for a user, the tight fit between a conductor and a chip on the SIM card is ensured, and the SIM card is effectively prevented from falling off.

2. The utility model discloses a top of circuit board is provided with the backup pad, be provided with the square groove on the top surface of backup pad, be provided with the radiating part in the square groove, the radiating part includes heat conduction box and heat dissipation tooth, the outline of heat conduction box is the same with the outline of square groove, heat conduction box embedding is in the square groove, heat conduction box extends outside the square groove, the side sets firmly a plurality of heat dissipation teeth about heat conduction box extension end, the heat dissipation tooth distributes along the length direction of battery, the other end of heat dissipation tooth runs through the cell-phone shell setting, the embedding has the battery in the heat conduction box, the output connector of battery contacts with the input interface contact of chip; when the mobile phone terminal is used for playing a mobile phone game for a long time or using the mobile phone terminal for a long time, a large amount of heat is generated on the battery, the generated heat is firstly transmitted to the heat conduction box, then the heat is transmitted to the heat dissipation teeth by the heat conduction box, and the generated heat is discharged into the air by the heat dissipation teeth, so that the battery is cooled at every moment, the damage caused by overhigh temperature of the battery is effectively avoided, the service life of the battery is prolonged, and the service life of the mobile phone terminal is further prolonged.

3. The left edge and the right edge of the circuit board of the utility model are both provided with a buried hole I, the bottom of the inner cavity of the mobile phone shell is provided with a plurality of threaded holes I matched with the buried hole I, the circuit board runs through the buried hole I through the countersunk head screw I and is in threaded connection with the threaded holes I, the left edge and the right edge of the supporting plate are both provided with a buried hole II, the bottom of the inner cavity of the mobile phone shell is provided with a plurality of threaded holes II matched with the buried hole II, and the supporting plate runs through the buried hole II through the countersunk head screw II and is in threaded connection; after the circuit board damages, the maintenance personal only need dismantle earlier the battery cover, then twist out countersunk screw II, take out the backup pad from the cell-phone shell after twisting out, twist out all countersunk screw I after taking out again, thereby the circuit board after will damaging exposes completely, can make things convenient for the maintenance personal to maintain or change the circuit board that has damaged this moment, compare the maintenance personal and maintain in traditional cell-phone terminal, need not to dismantle multilayer structure outside the circuit board, but only need dismantle battery cover and backup pad and can maintain, thereby very big improvement the maintenance efficiency of circuit board.

4. The utility model discloses an annular package strip is fixedly arranged on the front end face of the mobile phone shell, an annular cavity is arranged in the annular package strip along the length direction of the annular package strip, and a screen module is embedded in the annular cavity; when the screen module damages the back, the maintenance personal only need operate at the front side of cell-phone shell, take out from the annular chamber of cyclic annular package strip with damaging the screen module, imbed new screen module in the annular chamber after taking out, thereby screen module's quick replacement has been realized, compare traditional change mode, need not that the maintenance personal from the cell-phone terminal the back dismantle gradually the battery cover, parts such as circuit board just can change and damage the screen module, thereby the very big convenience that has made things convenient for maintenance personal, screen module's maintenance efficiency has been improved simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention with the battery cover removed;

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

FIG. 3 is a cross-sectional view B-B of FIG. 1;

FIG. 4 is an enlarged view of part I of FIG. 2;

FIG. 5 is a schematic view of the screen module mounted on the front face of the handset housing;

FIG. 6 is a schematic view of the mounting of the handset housing to the circuit board;

FIG. 7 is a schematic view of the mounting of the handset housing to the support plate;

FIG. 8 is a schematic view of the mounting of the heat sink member to the support plate;

FIG. 9 is a schematic view of the mounting of the heat-dissipating teeth to the handset housing;

fig. 10 is a schematic structural view of a second embodiment of the present invention;

in the figure, 1-a mobile phone shell, 2-a circuit board, 3-a SIM card mounting seat, 4-a cavity, 5-a chip, 6-a SIM card, 7-an output interface, 9-a support plate, 10-a square groove, 11-a heat conduction box, 12-a heat dissipation tooth, 13-a battery, 14-an output connector, 15-an input interface, 16-a battery cover, 17-an annular wrapping strip, 18-an annular cavity, 19-a screen module, 20-a wire passing hole, 21-a signal receiving module, 22-a signal transmitting module, 23-a through groove, 24-a buried hole I, 25-a countersunk screw I, 26-a buried hole II, 27-a countersunk screw II, 28-a spigot, 29-a plastic plate, 30-a waterproof layer and 31-a groove body.

Detailed Description

The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:

the first embodiment is as follows: as shown in fig. 1 to 9, a detachable mobile phone terminal with high thermal conductivity comprises a mobile phone shell 1, wherein a circuit board 2 and an SIM card mounting seat 3 are fixedly arranged at the bottom of an inner cavity of the mobile phone shell 1, a cavity 4 matched with the outer contour of an SIM card is formed in the top of the SIM card mounting seat 3, a chip 5 is fixedly arranged at the bottom of the cavity 4, an input interface 15 of the chip 5 is arranged at the front side of the SIM card mounting seat 3, an output interface 7 of the chip 5 is arranged at the right side of the SIM card mounting seat 3, an SIM card 6 is arranged in the cavity 4, the upper end of the SIM card 6 extends out of the cavity 4, a conductor of the SIM card 6 is matched with the chip 5, and the output interface 7 of the chip 5 is electrically connected with an input; a supporting plate 9 is arranged above the circuit board 2, the supporting plate 9 is supported on the top surface of the circuit board 2, a square groove 10 is arranged on the top surface of the supporting plate 9, a heat dissipation part is arranged in the square groove 10 and comprises a heat conduction box 11 and heat dissipation teeth 12, the outer contour of the heat conduction box 11 is the same as that of the square groove 10, the heat conduction box 11 is embedded in the square groove 10, the heat conduction box 11 extends out of the square groove 10, a plurality of heat dissipation teeth 12 are fixedly arranged on the left side and the right side of the extending end of the heat conduction box 11, the intervals between every two adjacent heat dissipation teeth 12 are equal, the heat dissipation teeth 12 are distributed along the length direction of the battery 13, the other ends of the heat dissipation, the heat conduction box 11 is embedded with a battery 13, an output connector 14 of the battery 13 is contacted with an input interface 15 of the chip 5, the battery 13 extends upwards to the outside of the heat conduction box 11, and the top surface of the extended end of the battery 13 is flush with the top surface of the SIM card 6.

As shown in fig. 1-9, the back of the mobile phone shell 1 is provided with a battery cover 16, in this embodiment, the back of the mobile phone shell 1 is provided with a seam allowance 28 on the left and right sides thereof, the seam allowance 28 is arranged along the length direction of the mobile phone shell 1, the end surface of the battery cover 16 is provided with plastic plates 29 fixedly arranged on the two sides thereof and matched with the seam allowance 28, and the two plastic plates 29 are respectively slidably mounted in the two seam allowances 28. The SIM card 6 is pressed between the bottom surface of the cavity 4 and the battery cover 16, the battery 13 is pressed between the bottom surface of the heat conduction box 11 and the battery cover 16, an annular wrapping strip 17 is fixedly arranged on the front end surface of the mobile phone shell 1, an annular cavity 18 is formed in the annular wrapping strip 17 along the length direction of the annular wrapping strip, a screen module 19 is embedded into the annular cavity 18, a wire passing hole 20 communicated with the inner cavity of the mobile phone shell 1 is further formed in the front end surface of the mobile phone shell, a wire is connected between an input interface of the screen module 19 and an output connector of the circuit board 2, and the wire penetrates through the wire passing hole 20.

The circuit board 2 is provided with a signal receiving module 21 and a signal transmitting module 22, signals transmitted by other mobile phones can be received through the signal receiving module 21, and mobile phone signals can be transmitted to other mobile phones through the signal transmitting module 22. The both sides of cell-phone shell 1 all seted up with heat dissipation tooth 12 matched with logical groove 23, the other end and the logical groove 23 cooperation of heat dissipation tooth 12.

As shown in fig. 1, 2 and 4, the left and right edges of the circuit board 2 are provided with buried holes I24, the bottom of the inner cavity of the mobile phone case 1 is provided with a plurality of threaded holes I matching with the buried holes I24, and the circuit board 2 penetrates through the buried holes I24 through countersunk head screws I25 and is in threaded connection with the threaded holes I. All be provided with counterbore II26 on the edge about backup pad 9, a plurality of screw holes II with counterbore II26 matched with have been seted up to the bottom of cell-phone shell 1 inner chamber, backup pad 9 runs through counterbore II26 and with screw hole II threaded connection through countersunk screw II 27.

The working process of the embodiment is as follows:

when the SIM card in the cavity 4 is to be taken out and another SIM card 6 is to be replaced, the battery cover 16 is slid towards the tail of the mobile phone shell 1 to expose the original SIM card 6, at this time, the SIM card 6 can be directly taken out from the cavity 4 by hand, then, another SIM card is fitted in the cavity 4, finally, the battery cover 16 is slid towards the top of the mobile phone shell 1, and after the battery cover 16 is in place, the new SIM card 6 is pressed between the bottom surface of the cavity 4 and the battery cover 16. Therefore, in the whole process of installing the SIM card 6, the pressing sheet is not used for installing the SIM card, but the battery cover 16 is used for pressing and pressing the SIM card downwards, so that compared with the traditional pressing sheet type installation mode, the problem that the pressing sheet is damaged due to misoperation or excessive force is effectively avoided for a user, the conductor on the SIM card is tightly matched with the chip 5, and the SIM card is effectively prevented from falling off.

When the mobile phone terminal is used for playing a mobile phone game for a long time or using the mobile phone terminal for a long time, a large amount of heat is generated on the battery 13, the generated heat is firstly transmitted to the heat conduction box 11, then the heat is transmitted to the heat dissipation teeth 12 by the heat conduction box 11, and the heat generated is discharged into the air by the heat dissipation teeth 12, so that the battery 13 is cooled at every moment, the damage caused by overhigh temperature of the battery 13 is effectively avoided, the service life of the battery is prolonged, and the service life of the mobile phone terminal is further prolonged. In addition, because the heat dissipation part switches on the external world with battery 13 all the time, compare traditional heat radiation structure and dispel the heat in cell-phone terminal, the radiating effect obviously promotes, consequently has the good characteristics of radiating effect.

After circuit board 2 damages, the maintenance personal only need dismantle earlier battery cover 16, then screw out countersunk screw II27, take out backup pad 9 from the cell-phone shell 1 after screwing out, screw out all countersunk screw I25 after taking out again, thereby circuit board 2 after will damaging exposes completely, can make things convenient for the maintenance personal to maintain or change damaged circuit board 2 this moment, compare the maintenance personal and maintain in traditional cell-phone terminal, need not to dismantle multilayer structure outside circuit board 2, but only need dismantle battery cover 16 and backup pad 9 and can maintain, thereby very big improvement the maintenance efficiency of circuit board.

When screen module 19 damages the back, the maintenance personal only need operate at the front side of cell-phone shell 1, in order to take out damaged screen module 19 from cyclic annular chamber 18 of cyclic annular package strip 17, take out the back with new screen module 19 embedding in annular chamber 18, thereby screen module 19's quick replacement has been realized, compare traditional replacement mode, need not maintenance personal and dismantle the battery cover gradually from the back at cell-phone terminal, parts such as circuit board just can change damaged screen module, thereby the very big convenience that has made things convenient for maintenance personal, the maintenance efficiency of screen module has been improved simultaneously.

Example two: as shown in fig. 10, the present embodiment is different from the first embodiment in that: the utility model discloses a mobile phone shell, including cell-phone shell 1, waterproof layer 30, groove 23, groove 31 and corresponding logical groove 23 intercommunication, the waterproof layer 30 is the strip form, and waterproof layer 30 is last and set up a plurality of and lead to groove 23 matched with cell body 31 along its length direction, and cell body 31 and corresponding logical groove 23 intercommunication are seted up along its length direction to waterproof layer 30, heat dissipation tooth 12 runs through cell body 31 in order and leads to the groove 23 setting, can prevent through waterproof layer 30 that external water from getting into cell-phone shell 1 in, has played the safety protection effect, fine simultaneously played the effect of supporting heat dissipation tooth 12.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a detachable cell-phone terminal of high heat conduction which characterized in that: the mobile phone shell comprises a mobile phone shell (1), wherein a circuit board (2) and an SIM card mounting seat (3) are fixedly arranged at the bottom of an inner cavity of the mobile phone shell (1), a cavity (4) matched with the outline of an SIM card is formed in the top of the SIM card mounting seat (3), a chip (5) is fixedly arranged at the bottom of the cavity (4), and an SIM card (6) is arranged in the cavity (4).

2. The detachable mobile phone terminal with high thermal conductivity of claim 1, wherein: the upper end part of the SIM card (6) extends to the outside of the cavity (4), a conductor of the SIM card (6) is matched with the chip (5), and an output interface (7) of the chip (5) is electrically connected with an input joint of the circuit board (2); the mobile phone is characterized in that a supporting plate (9) is arranged above the circuit board (2), a square groove (10) is formed in the top surface of the supporting plate (9), a heat dissipation part is arranged in the square groove (10) and comprises a heat conduction box (11) and heat dissipation teeth (12), the outer contour of the heat conduction box (11) is the same as the outer contour of the square groove (10), the heat conduction box (11) is embedded into the square groove (10), the heat conduction box (11) extends to the outside of the square groove (10), a plurality of heat dissipation teeth (12) are fixedly arranged on the left side and the right side of the extending end of the heat conduction box (11), the heat dissipation teeth (12) are distributed along the length direction of a battery (13), the other end of each heat dissipation tooth (12) penetrates through the mobile phone shell (1), a battery (13) is embedded into the heat conduction box (11), an output connector (14) of the battery (13) is in contact with an input interface (15) of the chip (5), and the battery (13, the top surface of the extended end of the battery (13) is flush with the top surface of the SIM card (6); the back of cell-phone shell (1) is provided with battery cover (16), SIM card (6) support to press between the basal surface and battery cover (16) of die cavity (4), battery (13) support to press between basal surface and battery cover (16) of heat conduction box (11), set firmly cyclic annular package strip (17) on the preceding terminal surface of cell-phone shell (1), annular chamber (18) have been seted up along its length direction in cyclic annular package strip (17), and screen module (19) have been embedded in annular chamber (18), still set up the line hole (20) of crossing of its inner chamber of UNICOM on the preceding terminal surface of cell-phone shell (1), be connected with the wire between the input interface of screen module (19) and the output connection of circuit board (2), the wire runs through and crosses line hole (20) and sets up.

3. The detachable mobile phone terminal with high thermal conductivity of claim 2, wherein: the circuit board (2) is provided with a signal receiving module (21) and a signal transmitting module (22).

4. The detachable mobile phone terminal with high thermal conductivity of claim 2, wherein: the distance between two adjacent radiating teeth (12) is equal.

5. The detachable mobile phone terminal with high thermal conductivity of claim 2, wherein: the both sides of cell-phone shell (1) all seted up with heat dissipation tooth (12) matched with logical groove (23), the other end and the logical groove (23) of heat dissipation tooth (12) cooperate.

6. The detachable mobile phone terminal with high thermal conductivity of claim 2, wherein: an input interface (15) of the chip (5) is arranged on the front side of the SIM card mounting seat (3), and an output interface (7) of the chip (5) is arranged on the right side of the SIM card mounting seat (3).

7. The detachable mobile phone terminal with high thermal conductivity of claim 2, wherein: all be provided with on the edge about circuit board (2) and bury hole I (24), a plurality of and bury hole I (24) matched with screw hole I have been seted up to the bottom of cell-phone shell (1) inner chamber, circuit board (2) run through hole I (24) and with screw hole I threaded connection through countersunk screw I (25).

8. The detachable mobile phone terminal with high thermal conductivity of claim 2, wherein: all be provided with on the edge about backup pad (9) and bury hole II (26), a plurality of and bury hole II (26) matched with screw hole II have been seted up to the bottom of cell-phone shell (1) inner chamber, backup pad (9) run through hole II (26) and with screw hole II threaded connection through countersunk screw II (27).

9. The detachable mobile phone terminal with high thermal conductivity of claim 2, wherein: the support plate (9) is supported on the top surface of the circuit board (2); the utility model discloses a cell-phone shell, including cell-phone shell (16), cell-phone shell (1) and battery cover, just be located on the back of cell-phone shell (1) and all be provided with tang (28) about it, the length direction setting of cell-phone shell (1) is followed in tang (28), just be located on the terminal surface of battery cover (16) its both sides and all set firmly with tang (28) matched with plastic slab (29), two plastic slab (29) respectively slidable mounting in two tang (28).

10. The detachable mobile phone terminal with high thermal conductivity of claim 2, wherein: the utility model discloses a cell-phone shell, including cell-phone shell (1), waterproof layer (30) are just located its inner wall and have set firmly on cell-phone shell (1), and waterproof layer (30) set up along the length direction of cell-phone shell (1), and waterproof layer (30) are the bar form, and waterproof layer (30) are gone up and are seted up a plurality ofly and lead to groove (23) matched with cell body (31) along its length direction, and cell body (31) and corresponding logical groove (23) intercommunication, heat dissipation tooth (12) run through cell body (31) in order and lead to groove (23) setting.

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