CN217587963U - Rear shell, display and computer all-in-one machine - Google Patents

Abstract

The utility model relates to the field of computer technology, especially, relate to a backshell, which comprises a housin, a plurality of locating pins of setting on the casing, a plurality of first erection columns, a plurality of first locating posts, a plurality of second erection columns, a plurality of third erection columns, a plurality of second reference columns, a plurality of fourth erection columns, the casing is provided with installation cavity and socket opening, wherein, can realize the location installation of first mainboard subassembly through the locating pin, first locating post, first erection column, the cooperation of second erection column, through the locating pin, first erection column, first locating post, the second erection column, the location installation of second mainboard subassembly can be realized in the cooperation of third erection column, through the locating pin, first erection column, first locating post, the second erection column, the third erection column, the second reference column, the location installation of third mainboard subassembly can be realized to the fourth erection column, namely the utility model discloses an installation of the applicable three kinds of different specification types of backshell, the performance is high, can effectual reduction in production cost.

Description

Rear shell, display and computer all-in-one machine

Technical Field

The utility model relates to a computer technology field especially relates to a backshell, display and computer all-in-one machine.

Background

Existing displays are primarily composed of a screen, a rear housing, and a circuit board disposed between the screen and the rear housing. In order to guarantee the stability of display structure, generally all can set up corresponding location portion and screw hole on the backshell and fix a position the installation to circuit motherboard, nevertheless because the specification of mainboard is various, when facing different mainboards, generally all need set up the mainboard of specific shell and different specifications and match, the commonality of shell is relatively poor promptly, leads to high in production cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a backshell, display and computer all-in-one to solve the relatively poor problem of current backshell commonality.

The utility model provides a technical scheme that its technical problem adopted is: there is provided a rear cover for mounting a first motherboard assembly, or for mounting a second motherboard assembly, or for mounting a third motherboard assembly, comprising: the socket comprises a shell, a base and a socket, wherein the shell is provided with a mounting cavity and a socket opening, and the socket opening is arranged at the lower part of the shell and communicated with the mounting cavity;

a plurality of positioning pins arranged at intervals in rows on one side of the socket opening;

the first mounting columns are arranged on the other side of the socket opening at intervals in a row, and threaded holes are formed in the middle of the first mounting columns;

the first positioning columns are arranged on the upper sides of the first mounting columns at intervals in rows;

the second mounting columns are arranged on the upper sides of the first positioning columns at intervals in rows, and threaded holes are formed in the middle of the second mounting columns;

the third mounting columns are arranged on the upper sides of the second mounting columns at intervals in rows, and threaded holes are formed in the middle of the second mounting columns;

the second positioning columns are arranged on the upper sides of the third mounting columns at intervals in rows;

the fourth mounting columns are arranged on the upper sides of the second positioning columns at intervals in rows, and threaded holes are formed in the middles of the fourth mounting columns;

the rear shell is provided with a first mounting area for mounting a first mainboard assembly, a second mounting area for mounting a second mainboard assembly and a third mounting area for mounting a third mainboard assembly;

the first mounting area comprises a plurality of positioning pins and a plurality of first positioning columns for positioning the first main board assembly, and a plurality of first mounting columns and a plurality of second mounting columns for fixing the first main board assembly;

the second mounting area comprises a plurality of positioning pins and a plurality of first positioning columns for positioning the second main board assembly, and a plurality of first mounting columns, a plurality of second mounting columns and a plurality of third mounting columns for fixing the second main board assembly;

the third mounting area comprises a plurality of positioning pins, a plurality of first positioning columns and a plurality of second positioning columns which are used for positioning the third main board assembly, and a plurality of first mounting columns, a plurality of second mounting columns, a plurality of third mounting columns and a plurality of fourth mounting columns which are used for fixing the third main board assembly.

The utility model discloses a still further preferred scheme is: the bottom of the shell is provided with a boss, the opening of the socket is arranged at the top of the boss, the positioning pins are arranged on the front side of the boss, the height and the diameter of each positioning pin are smaller than those of the first positioning column, and the first positioning column is the same as the second positioning column in size; and/or

The left and right sides of boss all is provided with the loudspeaker carriage, the both sides of loudspeaker carriage are provided with the loudspeaker erection column, the net has been seted up to the casing bottom, the position of net is corresponding with the position of loudspeaker carriage.

The utility model discloses a still further preferred scheme is: the casing is further provided with a hard disk positioning frame and a hard disk mounting column, the hard disk mounting column is arranged on one side of the hard disk positioning frame, and the hard disk mounting column is used for fixing a hard disk.

The utility model discloses a further preferred scheme is: the hard disk positioning frame comprises an upper supporting frame and a lower supporting frame, a stop block for preventing the hard disk from being separated from the lower supporting frame is arranged on the lower supporting frame, a notch is formed in the upper supporting frame, the hard disk mounting column is arranged on the upper side of the notch, and the lower portion of the hard disk penetrates through the notch, enters the lower supporting frame and is attached to the stop block.

The utility model discloses a still further preferred scheme is: the top of the shell is provided with a heat dissipation grid, the upper part of the shell is provided with a heat dissipation channel, and the lower side of the heat dissipation channel is provided with a radiator mounting column; and/or heat dissipation channel one side is provided with constant current board erection column to and fingerprint module erection column.

The utility model discloses a still further preferred scheme is: the left side of the shell is provided with a function key board mounting column and a power supply key board mounting column, and the right side of the shell is provided with a USB board mounting column and an earphone board mounting column; the position of the shell corresponding to the function key board mounting column, the power supply key board mounting column, the USB board mounting column and the earphone board mounting column is respectively provided with a function key avoiding hole, a power supply key avoiding hole, a USB socket avoiding hole and an earphone avoiding hole.

The utility model discloses a further preferred scheme is: the upside symmetry of casing is provided with two camera guide posts, two the symmetry is provided with two gear mounting grooves between the camera guide post, both sides are provided with the gear erection column about the gear mounting groove, two be provided with joint subassembly erection column between the gear erection column, the casing top is provided with the camera lift hole.

The utility model discloses a further preferred scheme is: the connecting groove has been seted up at the dorsal part of casing middle part, the connecting groove is used for installing the screen support.

The utility model also provides a display, including screen assembly, screen support and as above the backshell, the display still includes first mainboard subassembly or second mainboard subassembly, wherein, screen assembly is fixed to be set up in the backshell front side, and first mainboard subassembly or second mainboard subassembly set up between screen assembly and backshell, screen support is fixed to be set up at the backshell back.

The utility model also provides an all-in-one computer, including screen subassembly, third mainboard subassembly, hard disk, camera subassembly, screen support and as above the backshell, wherein, the screen subassembly is fixed to be set up in the backshell front side, third mainboard subassembly and hard disk setting are between screen subassembly and backshell, and the camera subassembly sets up on backshell upper portion, the screen support is fixed to be set up at the backshell back.

The beneficial effects of the utility model reside in that, through setting up a plurality of locating pins on the backshell, a plurality of first erection columns, a plurality of first locating posts, a plurality of second erection columns, a plurality of third erection columns, a plurality of second reference columns, a plurality of fourth erection columns, wherein through the locating pin, first locating post, first erection column, the location installation of first mainboard subassembly can be realized in the cooperation of second erection column, through the locating pin, first erection column, first locating post, the second erection column, the location installation of second mainboard subassembly can be realized in the cooperation of third erection column, through the locating pin, first erection column, first locating post, the second erection column, the third erection column, the second reference column, the location installation of third mainboard subassembly can be realized to the fourth erection column, promptly the installation of the applicable three kinds of different specification types's of backshell mainboard subassembly of this application, the commonality is high, effectual reduction in production cost.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic structural view of a rear case of the present invention;

FIG. 2 is an exploded view of the all-in-one computer of the present invention;

FIG. 3 is an exploded view of the PC integrated machine of the present invention;

FIG. 4 is an enlarged schematic view of portion A of FIG. 1;

fig. 5 is a schematic structural view of the elevating camera assembly of the present invention;

FIG. 6 is a schematic diagram of the internal structure of the all-in-one computer of the present invention;

fig. 7 is a schematic diagram of the internal structure of the display according to the present invention;

fig. 8 is a schematic diagram of the internal structure of the display of the present invention;

fig. 9 is a schematic structural diagram of a first main board assembly according to the present invention;

fig. 10 is a schematic structural diagram of a second main board assembly according to the present invention;

fig. 11 is a schematic structural diagram of a third main board assembly according to the present invention.

The reference numbers in the drawings are as follows:

100. a rear housing; 201. a first motherboard assembly; 202. a second motherboard assembly; 203. a third motherboard assembly; 300. a screen assembly; 400. a screen support; 500. a lifting camera assembly;

1. a housing; 11. a mounting cavity; 12. a socket opening; 13. a function key avoidance hole; 14. a power supply key avoidance hole; 15. a USB socket avoidance hole; 16. avoiding holes of the earphones; 17. connecting grooves; a boss 18;

21. positioning pins; 22. a first positioning post; 23. a second positioning column;

31. a first mounting post; 32. a second mounting post; 33. a third mounting post; 34. a fourth mounting post;

41. a horn support frame; 42. a horn mounting post; 43. a grid; 401. a horn;

51. a hard disk mounting post; 52. an upper support frame; 521. a notch; 53. a lower support frame; 531. a stopper; 501. a hard disk; 510. a camera; 520. a rack; 530. a gear; 540. a guide bar; 541. A guide groove;

61. a heat dissipation grid; 62. a heat dissipation channel 63, a heat sink mounting post; 64. a constant flow plate mounting post; 65. A fingerprint module mounting post; 66. a function key board mounting post; 67. a power key board mounting post; 68. A USB board mounting post; 69. an earphone plate mounting post; 601. a heat sink; 602. a constant current plate; 603. a fingerprint drive board; 604. a function key board; 605. a power key sheet; 606. a USB board; 607. an earphone plate;

71. a camera guide post; 72. a gear mounting groove; 73. a gear mounting post; 74. clamping the assembly mounting post; 75. a camera lifting hole;

Detailed Description

The utility model provides a backshell, display and computer all-in-one, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the drawing and the embodiment of lifting the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The rear housing 100 of the preferred embodiment of the present invention is used for mounting the first motherboard assembly 201, or for mounting the second motherboard assembly 202, or for mounting the third motherboard assembly 203, refer to fig. 1 to 11 together, the rear housing 100 includes a housing 1, a plurality of positioning pins 21 disposed on the housing 1, a plurality of first mounting posts 31, a plurality of first positioning posts 22, a plurality of second mounting posts 32, a plurality of third mounting posts 33, a plurality of second positioning posts 23, a plurality of fourth mounting posts 34, the housing 100 is provided with a mounting cavity 11 and a socket opening 12, the socket opening 12 is disposed at the lower part of the housing 100 and communicated with the mounting cavity 11, wherein a plurality of positioning pins 21 are disposed at one side of the socket opening 12 at intervals in rows, a plurality of first mounting posts 22 are disposed at the other side of the socket opening 12 at intervals in rows, a plurality of first positioning posts 22 are disposed at the upper side of the first mounting posts 31 at intervals in rows, a plurality of second mounting posts 32 are disposed at the upper side of the plurality of first positioning posts 22 at intervals in rows, a plurality of third mounting posts 33 are disposed at the upper side of the mounting posts 32 at intervals, a plurality of mounting posts 33, and a plurality of mounting posts 32 are disposed at the upper side of mounting posts 33, and a plurality of mounting posts 33 are disposed at the upper side of the mounting posts 33, and a plurality of mounting posts 33, a plurality of mounting posts.

Referring to fig. 1, fig. 6 to fig. 11, a first mounting area for mounting a first motherboard component 201, a second mounting area for mounting a second motherboard component 202, and a third mounting area for mounting a third motherboard component 203 are provided on the housing 1;

the first mounting area comprises a plurality of positioning pins 21 and a plurality of first positioning columns 22 for positioning the first main board assembly 201, and a plurality of first mounting columns 31 and a plurality of second mounting columns 32 for fixing the first main board assembly 201;

the second mounting area comprises a plurality of positioning pins 21 and a plurality of first positioning columns 22 for positioning the second main board assembly 202, and a plurality of first mounting columns 31, a plurality of second mounting columns 32 and a plurality of third mounting columns 33 for fixing the second main board assembly 202;

the third mounting area includes a plurality of positioning pins 21, a plurality of first positioning posts 22, a plurality of second positioning posts 23 for positioning the third main board assembly 203, and a plurality of first mounting posts 31, a plurality of second mounting posts 32, a plurality of third mounting posts 33, a plurality of fourth mounting posts 34 for fixing the third main board assembly 203.

In this embodiment, referring to fig. 1, 6 to 11, there are 5 positioning pins 21, 2 first positioning posts 22, 2 second positioning posts 23, and two first mounting posts 31, two second mounting posts 32, two third mounting posts 33, and two fourth mounting posts 34. A plurality of mounting holes matched with the positions and shapes of the positioning pins 21, the first positioning columns 22, the first mounting columns 31 and the second mounting columns 32 are formed in the first main board assembly 201; the second main board assembly 202 is provided with a plurality of mounting holes matched with the positions and shapes of the positioning pins 21, the first mounting columns 31, the first positioning columns 22, the second mounting columns 32 and the third mounting columns 33; the third main board assembly 202 has a plurality of mounting holes corresponding to the positions and shapes of the positioning pins 21, the first mounting posts 31, the first positioning posts 22, the second mounting posts 32, the third mounting posts 33, the second positioning posts 23, and the fourth mounting posts 34.

Through setting up a plurality of locating pins 21 on backshell 100, a plurality of first reference column 31, a plurality of first locating column 22, a plurality of second erection column 32, a plurality of third erection column 33, a plurality of second reference column 23, a plurality of fourth erection column 34, wherein can realize the location installation of first mainboard subassembly 201 through the cooperation of locating pin 21, first locating column 22, first erection column 31, second erection column 32, the location installation of second mainboard subassembly 202 can be realized through the cooperation of locating pin 21, first erection column 31, first locating column 22, second erection column 32, third erection column 33, second locating column 23, fourth erection column 34, can realize the location installation of third mainboard subassembly 203, namely the backshell 100 of this application is applicable the installation of the mainboard subassembly of three kinds of different specification types, the commonality is high, can effectual reduction in production cost.

Further, referring to fig. 1, a boss 18 is disposed at the bottom of the housing 1, the socket opening 12 is disposed at the top of the boss 18, the positioning pins 21 are disposed at the front side of the boss, the height and diameter of the positioning pins 21 are smaller than those of the first positioning posts 22, and the first positioning posts 22 have the same size as the second positioning posts 23.

Further, referring to fig. 1, 6 to 8, the left and right sides of the boss 18 are provided with speaker support frames 41, two sides of the speaker support frames 41 are provided with speaker mounting posts 42, the bottom of the housing 1 is provided with grids 43, the positions of the grids 43 correspond to the positions of the speaker support frames 41, and the middle of the speaker mounting posts 42 is provided with threaded holes. In this embodiment, the installation cavity is the arc chamber, and its installation face degree of adaptability with loudspeaker 401 is relatively poor, can be used to laminating support loudspeaker 401 through increasing loudspeaker braced frame 41, and the cooperation loudspeaker erection column 42 can realize the fixed to loudspeaker 401 again, and wherein loudspeaker 401's sound producing effect can be guaranteed to net 43.

Further, referring to fig. 1 and fig. 6, the housing 1 is further provided with a hard disk positioning frame and a hard disk mounting post 51, the hard disk mounting post 51 is disposed on one side of the hard disk positioning frame, and the hard disk mounting post 51 is used for fixing a hard disk 501. Threaded hole is seted up at hard disk erection column 51 middle part, wherein, can be used to fix a position hard disk 501's mounted position through setting up hard disk locating frame, and hard disk 501 can be fixed to the hard disk erection column 51 of deuterogamying, and stability is high.

Further, referring to fig. 1 and 6, the hard disk positioning frame includes an upper supporting frame 52 and a lower supporting frame 53, the lower supporting frame 53 is provided with a stopper 531 for preventing the hard disk 501 from separating from the lower supporting frame 53, the upper supporting frame 52 is provided with a notch 521, the hard disk mounting post 51 is arranged on the upper side of the notch 521, and the lower portion of the hard disk 501 passes through the notch 521 and enters the lower supporting frame 52 and is attached to the stopper 531. By adopting the structure, when the installation is carried out, the bottom of the hard disk 501 firstly passes through the notch 521 from top to bottom, then the bottom of the silver disk enters the lower support frame 53, the hard disk 501 is attached to the stopper 531, and then the hard disk 501 can be fixed by matching with the hard disk installation column 51. The stopper 531 may be used to limit the position of the hard disk 501, so as to further improve the stability of the hard disk 501.

Further, referring to fig. 1 and 4, a heat dissipation grid 61 is disposed at the top of the housing 1, a heat dissipation channel 62 is disposed at the upper portion of the housing 1, a heat sink mounting post 63 is disposed at the lower side of the heat dissipation channel 62, a threaded hole is disposed in the middle of the heat sink mounting post 63, and the heat dissipation channel 62 is disposed at one side of the third mounting post 33; the radiator mounting column 63 can be used for mounting and fixing the radiator 601, so as to prevent the temperature of the first motherboard assembly 201, the second motherboard assembly 202 and the third motherboard assembly 203 from being too high, and ensure the normal work of the first motherboard assembly 201, the second motherboard assembly 202 and the third motherboard assembly 203. The heat dissipation grid 61 is disposed at an air outlet of the heat dissipation channel 62, and the heat dissipation channel 62 is communicated with the heat sink 601, so as to assist the heat sink 601 in dissipating heat and ensure a heat dissipation effect.

Further, referring to fig. 1 and 6, a constant current plate mounting post 64 and a fingerprint module mounting post 65 are disposed on one side of the heat dissipation channel 62, wherein a threaded hole is disposed in the middle of the constant current plate mounting post 64, and a threaded hole is disposed in the middle of the fingerprint module mounting post 65. Through setting up constant current board erection column 64, fingerprint module erection column 65 can be used for installing constant current board 602 and fingerprint drive plate 603 respectively, have simple structure, fixed characteristics such as effectual.

Further, referring to fig. 1 and 6, a function key board mounting post 66 and a power key board mounting post 67 are disposed on the left side of the casing 1, and a USB board mounting post 68 and an earphone board mounting post 69 are disposed on the right side of the casing 1; the positions of the casing 1 corresponding to the function key board mounting post 66, the power key board mounting post 67, the USB board mounting post 68, and the earphone board mounting post 69 are respectively provided with a function key avoiding hole 13, a power key avoiding hole 14, a USB socket avoiding hole 15, and an earphone avoiding hole 16. Wherein, threaded holes are all seted up at function keypad erection column 66, power keypad erection column 67, USB board erection column 68, earphone board erection column 69 middle part, through increasing function keypad erection column 66, power keypad erection column 67, USB board erection column 68, earphone board erection column 69, can be used for installing fixed function keypad 604, power keypad 605, USB board 606, earphone board 607 respectively, have simple structure, fixed effectual characteristics.

Further, referring to fig. 1, 4 and 5, two camera guide posts 71 are symmetrically arranged on the upper side of the housing 1, two gear installation grooves 72 are symmetrically arranged between the two camera guide posts 71, gear installation posts 73 are arranged on the upper side and the lower side of each gear installation groove 72, a clamping assembly installation post 74 is arranged between the two gear installation posts 73, and a camera lifting hole 75 is arranged on the top of the housing 1. In this embodiment, the rear case 100 may further include a lifting camera assembly 500, where the lifting camera assembly 500 includes a camera 510, a rack 520, a gear 530, a guide rod 540, and a clamping assembly 550, the rack 520 and the guide rod 540 are fixedly disposed at a lower side of the camera 510, the gear 530 is engaged with the rack 520 to limit a lifting speed of the camera 510, a guide groove 541 is formed in a middle of the guide rod 540, and the clamping assembly 550 is configured to fix a position of the camera 510. Wherein, gear installation groove 72, gear erection column 73 are used for installing gear 530, and camera guide post 71 slides and sets up in guide way 541, and camera 510 accessible camera lift hole 75 stretches out or retracts casing 1, guarantees camera 510's normal use, and joint subassembly erection column 74 is used for installing joint subassembly 550.

Further, referring to fig. 3, a connection groove 17 is formed in the middle of the back side of the housing 1, and the connection groove 17 is used for mounting and fixing the screen bracket 400. Wherein, the connecting groove 17 is matched with the shape of the connecting block 401 on the screen bracket 400, and the stable connection with the screen bracket 400 can be realized by arranging the connecting groove 17.

The embodiment of the utility model provides a still provide a display, including screen subassembly 300, screen support 400 and as above backshell 100, the display still includes first mainboard subassembly 201 or second mainboard subassembly 202, and wherein, screen subassembly 300 is fixed to be set up in backshell 100 front side, and first mainboard subassembly 201 or second mainboard subassembly 202 set up between screen subassembly 300 and backshell 100, and screen support 400 is fixed to be set up at the backshell 100 back.

The embodiment of the utility model provides a still provide an all-in-one computer, including screen subassembly 300, third mainboard subassembly 203, hard disk 501, camera subassembly 500, screen support 400 and backshell 100 as above, wherein, screen subassembly 300 is fixed to be set up in backshell 100 front side, and third mainboard subassembly 203 and hard disk 501 set up between screen subassembly 300 and backshell 100, and camera subassembly 500 sets up on backshell 100, and screen support 400 is fixed to be set up at backshell 100 back.

It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations should fall within the scope of the appended claims.

Claims (10)

1. A rear housing for mounting a first motherboard assembly, or for mounting a second motherboard assembly, or for mounting a third motherboard assembly, comprising:

the socket comprises a shell, a base and a socket, wherein the shell is provided with a mounting cavity and a socket opening, and the socket opening is arranged at the lower part of the shell and communicated with the mounting cavity;

a plurality of positioning pins arranged at intervals in rows on one side of the socket opening;

the first mounting columns are arranged on the other side of the socket opening at intervals in a row, and threaded holes are formed in the middle of the first mounting columns;

the first positioning columns are arranged on the upper sides of the first mounting columns at intervals in rows;

the second mounting columns are arranged on the upper sides of the first positioning columns at intervals in rows, and threaded holes are formed in the middle of the second mounting columns;

the third mounting columns are arranged on the upper sides of the second mounting columns at intervals in rows, and threaded holes are formed in the middle of the second mounting columns;

the second positioning columns are arranged on the upper sides of the third mounting columns at intervals in rows;

the fourth mounting columns are arranged on the upper sides of the second positioning columns at intervals in rows, and threaded holes are formed in the middles of the fourth mounting columns;

the shell is provided with a first mounting area for mounting a first mainboard assembly, a second mounting area for mounting a second mainboard assembly and a third mounting area for mounting a third mainboard assembly;

the first mounting area comprises a plurality of positioning pins and a plurality of first positioning columns for positioning a first main board assembly, and a plurality of first mounting columns and a plurality of second mounting columns for fixing the first main board assembly;

the second mounting area comprises a plurality of positioning pins and a plurality of first positioning columns for positioning a second main board assembly, and a plurality of first mounting columns, a plurality of second mounting columns and a plurality of third mounting columns for fixing the second main board assembly;

the third installing area comprises a plurality of positioning pins, a plurality of first positioning columns and a plurality of second positioning columns which are used for positioning a third main board assembly, and a plurality of first installing columns, a plurality of second installing columns, a plurality of third installing columns and a plurality of fourth installing columns which are used for fixing the third main board assembly.

2. The rear shell according to claim 1, wherein a boss is provided at the bottom of the shell, the socket opening is provided at the top of the boss, a plurality of positioning pins are provided at the front side of the boss, the height and diameter of the positioning pins are smaller than those of the first positioning posts, and the first positioning posts are the same as the second positioning posts in size; and/or the left and right sides of boss all is provided with the loudspeaker carriage, the both sides of loudspeaker carriage are provided with the loudspeaker erection column, the net has been seted up to the casing bottom, the position of net is corresponding with the position of loudspeaker carriage.

3. The rear shell of claim 1, wherein the housing further comprises a hard disk positioning frame and a hard disk mounting post, the hard disk mounting post is disposed on one side of the hard disk positioning frame, and the hard disk mounting post is used for fixing a hard disk.

4. The rear shell according to claim 3, wherein the hard disk positioning frame comprises an upper supporting frame and a lower supporting frame, a stop block for preventing the hard disk from being separated from the lower supporting frame is arranged on the lower supporting frame, a notch is formed in the upper supporting frame, the hard disk mounting column is arranged on the upper side of the notch, and the lower portion of the hard disk penetrates through the notch, enters the lower supporting frame and is attached to the stop block.

5. The rear shell according to any one of claims 1 to 4, wherein a heat dissipation grid is arranged on the top of the shell, a heat dissipation channel is arranged on the upper part of the shell, a heat sink mounting column is arranged on the lower side of the heat dissipation channel, and the heat sink mounting column is used for mounting and fixing a heat sink; and/or heat dissipation channel one side is provided with constant current board erection column and fingerprint module erection column, the constant current board erection column is used for the fixed constant current board of installation, fingerprint module erection column is used for the fixed fingerprint module of installation.

6. The rear shell as claimed in claim 5, wherein a function key board mounting post and a power key board mounting post are provided on the left side of the shell, and a USB board mounting post and an earphone board mounting post are provided on the right side of the shell; the positions of the shell corresponding to the function key board mounting column, the power supply key board mounting column, the USB board mounting column and the earphone board mounting column are respectively provided with a function key avoiding hole, a power supply key avoiding hole, a USB socket avoiding hole and an earphone avoiding hole.

7. The rear shell according to claim 6, wherein two camera guide columns are symmetrically arranged on the upper side of the shell, two gear mounting grooves are symmetrically arranged between the two camera guide columns, gear mounting columns are arranged on the upper side and the lower side of each gear mounting groove, clamping assembly mounting columns are arranged between the two gear mounting columns, and a camera lifting hole is formed in the top of the shell.

8. The rear housing as claimed in claim 7, wherein a coupling groove is formed at a middle portion of the back side of the housing, the coupling groove being for mounting a screen supporter.

9. A display comprising a screen assembly, a screen support, and a rear housing as claimed in any one of claims 1 to 8, the display further comprising a first or second main board assembly, wherein the screen assembly is fixedly disposed on the front side of the rear housing, the first or second main board assembly is disposed between the screen assembly and the rear housing, and the screen support is fixedly disposed on the back of the rear housing.

10. An all-in-one computer is characterized by comprising a screen assembly, a third main board assembly, a hard disk, a camera assembly, a screen support and the back shell as claimed in any one of claims 1 to 8, wherein the screen assembly is fixedly arranged on the front side of the back shell, the third main board assembly and the hard disk are arranged between the screen assembly and the back shell, the camera assembly is arranged on the upper portion of the back shell, and the screen support is fixedly arranged on the back portion of the back shell.

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