CN201247439Y

CN201247439Y - Computer casing and computer

Info

Publication number: CN201247439Y
Application number: CNU2008201347283U
Authority: CN
Inventors: 孙辉煌; 张钧
Original assignee: AOpen Inc
Current assignee: AOpen Inc
Priority date: 2008-09-05
Filing date: 2008-09-05
Publication date: 2009-05-27
Anticipated expiration: 2018-09-05

Abstract

The utility model relates to a computer casing and computer. The computer shell is used for accommodating a mainboard and at least one electronic component therein and comprises a shell unit and a bearing plate. The shell unit is provided with an opening, and two opposite sides of the inner surface of the shell unit are respectively provided with at least one first sliding part which extends along a sliding direction and is connected to the opening. The bearing plate is used for fixing the mainboard and the electronic component, and two opposite side edges of the bearing plate are respectively provided with a second sliding part which can slide in the sliding direction relative to the first sliding part. By the design that the second sliding part of the bearing plate can slide in the sliding direction relative to the first sliding part of the shell unit, the mainboard and the electronic assembly fixed on the bearing plate can be extracted together with the bearing plate, and the effect of quick assembly by utilizing the slide rail design is achieved.

Description

Computer housing and computing machine

Technical field

The utility model relates to a kind of computer housing, particularly relates to a kind of computer housing that utilizes the slide rail design and can assemble fast.

Background technology

Consult Fig. 1, the computer housing 11 of general computing machine 1 comprise a main casing 111 and detachable and with main casing 111 with the fixing side plate 112 of screw lock mode, main casing 111 matches with side plate 112 and defines an inner accommodation space 113.

Intrawares such as motherboard 12 and storage device 13 are to be arranged in accommodation space 113, and wherein, motherboard 12 is to be locked in the side of main casing 111 away from this side plate, and storage device 13 is the frames that are locked in the main casing 111.

When main frame develops towards miniaturization, the accommodation space 113 of computer housing 11 is relatively also very narrow and small.When the user will be assembled to intrawares such as motherboard 12 and storage device 13 in the computer housing 11, generally be individually intraware then to be packed into according to the decision erection sequence of considering in space, but because the space in the accommodation space 113 is limited and narrow and small, particularly after having assembled some intrawares, so cause the inconvenience when assembling.

And when maintenance or replacing intraware, similarly, because the space in the accommodation space 113 is limited, also be inconvenience very.

The utility model content

Therefore, the purpose of this utility model promptly is to provide a kind of computer housing that utilizes the slide rail design and can assemble fast.

Another purpose of the present utility model promptly is to provide a kind of computing machine that utilizes the slide rail design and can assemble fast.

So, computer housing of the present utility model, ccontaining in it for a motherboard, this computer housing comprises a housing unit and a loading plate.This housing unit has an opening, and inside surface two opposition sides of this housing unit are respectively equipped with at least one first sliding part that extends and be connected to this opening along a glide direction.This loading plate is fixed for this motherboard, and two opposition side edge of this loading plate are provided with second sliding part that slides of this first sliding part relatively respectively on this glide direction.

Preferably, this housing unit also has the lower house that defines an accommodation space and that matches and is installed on the upper shell of this lower house slippingly along this glide direction, this lower house has a base plate and two upwardly extending lower side panel of two lateral margins from about this base plate, this upper shell has a top board and two epipleural that two lateral margins extend from about this top board downwards, and the inside surface of this two epipleural or this two lower side panel is formed with this first sliding part respectively.

Preferably, inside surface two opposition sides of this housing unit are formed with two separately first sliding parts respectively.

Preferably, these first sliding parts are formed at the inside surface of this lower side panel.

Preferably, this first sliding part is the formed track of plate body that extends internally at intervals from this housing unit inside surface by two.

Preferably, second sliding part of this loading plate is a plurality of lugs from the lateral margin projection of the body of this loading plate, and these lugs are slidingly installed in the corresponding track.

Preferably, this two epipleural is formed with at least one the 3rd sliding part and one the 4th sliding part that extends and be connected slippingly each other along this glide direction respectively with this two lower side panels adjacent.

Preferably, the surface of this two epipleural is formed with two the 3rd sliding parts that are positioned at differing heights respectively.

Preferably, the 3rd sliding part is formed at the inside surface of this epipleural, and the 4th sliding part is formed at the outside surface of this lower side panel.

Preferably, the 3rd sliding part is to constitute from one first lamellar body and one second lamellar body that this epipleural inside surface extends internally at intervals, the cross section of this first lamellar body is horizontal, this second lamellar body is positioned at this first lamellar body below and the cross section is upper hook shape, and the 4th sliding part is one to stretch out and the cross section is the 3rd lamellar body that colludes shape down from this lower side panel outside surface.

Preferably, this housing unit also has two end caps that are covered on this two opening separably.

Preferably, the outside surface of the base plate of this lower house caves inward and is formed with two mounting grooves along the fore-and-aft direction extension.

Preferably, this computer housing also comprises an installing plate, two lateral margins have extended upward an installation portion respectively about this installing plate, the posterior lateral margin of this installing plate has extended upward a locking part, this two installation portion is installed in this two mounting groove slippingly along fore-and-aft direction respectively, and this locking part is locked on the end cap of rear side.Or this computer housing also comprises two elastic strips, and respectively this elastic strip is installed on this mounting groove and partly protrudes this mounting groove.

Preferably, this upper and lower casing is to make in the aluminium extruded type mode to form.

Preferably, this upper and lower casing is formed with a plurality of perforates.

Preferably, this loading plate is fixed at least one electronic package.

Computing machine of the present utility model then comprises a motherboard, at least one electronic package and a computer housing, and wherein, this computer housing is in explanation before, in this no longer repeat specification.

Effect of the present utility model: by first sliding part of this housing unit design of on this glide direction, sliding relatively of second sliding part of this loading plate, the motherboard and the electronic package that are fixed in this loading plate can be extracted out together with this loading plate, reach the purpose of utilizing the slide rail design and can assembling fast.

Description of drawings

Fig. 1 is a three-dimensional exploded view, and a known computer housing is described;

Fig. 2 is a stereographic map, and first kind of assembling mode of the preferred embodiment of computing machine of the present utility model is described;

Fig. 3 is a stereographic map, and a computer housing is described, wherein, an end cap that is positioned at the front side is removed;

Fig. 4 is a three-dimensional exploded view, and first kind of assembling mode of this preferred embodiment is described;

Fig. 5 is a front view, and first kind of assembling mode of this preferred embodiment is described, wherein, this end cap that is positioned at the front side is removed;

Fig. 6 is a stereographic map, and second kind of assembling mode of the preferred embodiment of computing machine of the present utility model is described;

Fig. 7 is a three-dimensional exploded view, and second kind of assembling mode of this preferred embodiment is described;

Fig. 8 is a front view, and second kind of assembling mode of this preferred embodiment is described, wherein, this end cap that is positioned at the front side is removed;

Fig. 9 is a stereographic map, and the assembled relation of this preferred embodiment and an installing plate is described; And

Figure 10 is a stereographic map, and the assembled relation of this preferred embodiment and two elastic strips is described.

The primary clustering symbol description:

2 ... computer housing 33 ' ... end cap

3 ... housing unit 34 ... end cap

4 ... upper shell 34 ' ... end cap

41 ... top board 6 ... loading plate

42 ... epipleural 6 ' ... loading plate

421a ... the 3rd sliding part 61 ... second sliding part

421b ... the 3rd sliding part 61 ' ... second sliding part

422 ... first lamellar body 611 ... lug

423 ... second lamellar body 611 ' ... lug

424 ... perforate 62 ... socle

5 ... lower house 62 ' ... socle

51 ... base plate 63 ... fixed part

511 ... mounting groove 63 ' ... fixed part

52 ... lower side panel 7 ... installing plate

521a ... first sliding part 71 ... installation portion

521b ... first sliding part 72 ... locking part

522 ... plate body 73 ... lockhole

523 ... the 4th sliding part 8 ... elastic strip

524 ... the 3rd lamellar body 9 ... computing machine

525 ... perforate 91 ... motherboard

31 ... accommodation space 92 ... electronic package

32 ... opening 93 ... electronic package

33 ... end cap

Embodiment

About aforementioned and other technology contents, characteristics and effect of the present utility model, in the detailed description of a following cooperation preferred embodiment with reference to the accompanying drawings, can clearly present.The direction term of being mentioned in following examples, for example: upper and lower, left and right, front or rear etc. only are directions with reference to the accompanying drawings.Therefore, the direction term of use is to be used for illustrating not to be to be used for limiting the present invention.

Consult Fig. 2 and Fig. 4, the preferred embodiment of computing machine 9 of the present utility model comprises a computer housing 2, and the motherboard 91 and the electronic package 92 that are placed in computer housing 2, and in the present embodiment, electronic package 92 is a Winchester disk drive.

Computer housing 2 comprises a housing unit 3 and a loading plate 6.Housing unit 3 has upper shell 4, two that the lower house 5 that defines an accommodation space 31 and that matches is installed on lower house 5 slippingly along a glide direction (being fore-and-aft direction in the present embodiment) and is positioned at the end cap 33 that the opening 32, of side before and after it is covered on front openings 32 separably, and an end cap 34 that is covered on rear openings 32 separably.Loading plate 6 is fixing for motherboard 91 and electronic package 92, and is installed on lower house 5 slippingly.

Consult Fig. 3 and Fig. 5, lower house 5 has a base plate 51 and two from the upwardly extending lower side panel 52 of base plate about 51 two lateral margins.In the present embodiment, base plate 51 and two lower side panels 52 are integrated.

The outside surface of base plate 51 caves inward and is formed with two and extends and the cross section is down trapezoidal mounting groove 511 along fore-and-aft direction.There is the return portion of a level in little and each lower side panel 52 central authorities to the top spacing of two lower side panels 52 than the below spacing, and it is formed with one the 4th sliding part 523, one first sliding part 521b and the one first sliding part 521a that extends along glide direction from top to bottom in regular turn.The 4th sliding part 523 is one to stretch out and the cross section is the 3rd lamellar body 524 that colludes down shape from lower side panel 52 outside surfaces.Two first sliding

part

521a, 521b self separately, wherein, the height junior be 521a, highly the higher person is 521b.Each the first sliding

part

521a, 521b are the plate body 522 formed tracks that extend internally at intervals from lower side panel 52 inside surfaces by two, and the cross section of two plate bodys 522 is horizontal.In addition, 2 first sliding

part

521a, 521b all are connected to opening 32.These sliding

parts

521a, 521b, 523 and the function of mounting groove 511 in explanation after a while.

Upper shell 4 has a top board 41 and two from the downward epipleural 42 that extends of top board about 41 two lateral margins, and epipleural 42 belows and lower side panel 52 tops are overlapping, and the outside surface of the top of epipleural 42 flushes with the outside surface of lower side panel 52 belows.In the present embodiment, top board 41 and two epipleurals 42 are integrated.

Each epipleural 42 is formed with two the 3rd sliding

part

421a, 421b that extend and be positioned at differing heights along glide direction at the inside surface with the overlapping of lower side panel 52, and wherein, the height junior be 421b, and highly the higher person is 421a.Each the 3rd sliding

part

421a, 421b are made of one first lamellar body 422 that extends internally at intervals from epipleural 42 inside surfaces and one second lamellar body 423, wherein, the cross section of first lamellar body 422 is horizontal, second lamellar body 423 is positioned at first lamellar body, 422 belows and the cross section is upper hook shape, and the cross sectional shape that is defined is proper and the cross sectional shape complementary fit of the 3rd lamellar body 524.So, the 4th sliding part 523 of lower side panel 52 can with one being connected slippingly mutually wherein of two the 3rd sliding

part

421a, 421b of epipleural 42, make upper shell 4 be installed on lower house 5 slippingly along glide direction.

Loading plate 6 is fixing for motherboard 91 and electronic package 92, and two opposition side edge are formed with one second sliding part 61 respectively about loading plate 6, and at present embodiment, each second sliding part 61 is a plurality of lugs 611 from the lateral margin projection of the body of loading plate 6.The thickness of lug 611 just with two plate bodys 522 between the gap identical.So, a plurality of lugs 611 of second sliding part 61 of loading plate 6 are slidingly installed in one of them the track of two first sliding

part

521a, 521b of lower side panel 52, make loading plate 6 be installed on lower house 5 slippingly along glide direction.And the design of adopting a plurality of lugs 611 to be slidedly arranged between two plate bodys 522 in the present embodiment can make the frictional resistance of loading plate 6 when the slippage of front and back less, makes loading plate 6 be easy to extract out or insert.

What deserves to be mentioned is that upper shell 4 also is formed with a plurality of perforates 424,525 with lower house 5, can promote the heat dissipation of computing machine 9.In addition, because upper shell 4 all is identical with lower house 5 in the cross section of front and back, edge bearing of trend, thus be to adopt the aluminium extruded type mode to make to form, and improve skin hardness with anodizing at outside surface.

In addition, special instruction be, in the present embodiment, the 3rd sliding

part

421a, 421b are formed at the inside surface of epipleural 42, the 4th sliding part 523 is formed at the outside surface of lower side panel 52.But, under different designs, when for example the lap of epipleural 42 and lower side panel 52 was positioned at lower side panel 52 inboards, the 3rd sliding

part

421a, 421b can be formed at the outside surface of epipleural 42, and the 4th sliding part 523 can be formed at the inside surface of lower side panel 52, similarly can reach identical effect.

In addition, in the present embodiment, the first sliding

part

521a, 521b are formed at the inside surface of two lower side panels 52, and still, the first sliding

part

521a, 521b also can be formed at two epipleurals 42 and be higher than inside surface on the lap with lower side panel 52.

As previously mentioned, because lower side panel 52 has the first sliding part 521a of two differing heights, the design of 521b, cooperate epipleural 42 that the 3rd sliding part 421a of two differing heights, the design of 421b are arranged, making the preferred embodiment of computing machine 9 of the present utility model look different needs can have two kinds of assembling modes.

First kind of assembling mode is applicable to that computing machine 9 has only an electronic package 92, uses when promptly only needing less accommodation space 31 (consulting Fig. 2, Fig. 4 and Fig. 5); Second kind of assembling mode is applicable to that computing machine 9 has except original electronic package 92 and also will installs electronic package 93, use when promptly needing bigger accommodation space 31 (consulting Fig. 6, Fig. 7 and Fig. 8), below explanation respectively.And in the present embodiment, electronic package 93 is a CD-ROM drive.

Consult Fig. 2, Fig. 4 and Fig. 5, when the user only need install an electronic package 92 (being Winchester disk drive), owing to the height that loading plate 6 belows are required is less, so can adopt first kind of assembling mode.

During assembling, earlier the 3rd sliding part 421a of upper shell 4 is aligned the 4th sliding part 523 of lower house 5, then upper shell 4 is installed on lower house 5 along the glide direction slippage, and upper shell 4 is flushed with the front and back end of lower house 5.Then, the end cap 34 with rear side is locked in upper shell 4 and lower house 5.Secondly, motherboard 91 is locked in the socle 62 of loading plate 6 by loading plate 6 tops, and electronic package 92 is locked in the fixed part 63 of loading plate 6 by loading plate 6 belows, to finish the assembling of motherboard 91 and electronic package 92.

Once more, second sliding part 61 of loading plate 6 is aligned the first sliding part 521a of lower house 5 by front openings 32, then with loading plate 6 backward slippage be installed on lower house 5, be positioned at accommodation space 31 fully up to loading plate 6.At last, the end cap 33 with the front side is locked in upper shell 4 and lower house 5.Finish whole assemblings.

And be noted that, after finishing assembling, intraware with computing machine 9 keeps in repair or changes if desired, only need the end cap 33 of front side is pulled down, again with loading plate 6 by extracting forward in the lower house 5, can take out loading plate 6 to repair or replace, considerably quick and convenient, and can avoid the accommodation space 31 very little problems that cause.

Consult Fig. 6, Fig. 7 and Fig. 8, when the user will expand another electronic package 93 of installation (being CD-ROM drive) again by original framework, the height required owing to loading plate 6 ' below was bigger, so will adopt second kind of assembling mode.

When adopting second kind of assembling mode, because the height of whole computing machine 9 is different, so will use another group end cap 33 ', end cap 34 ' and loading plate 6 '.Wherein, end cap 33 ' is than end cap 33 height, and end cap 34 ' is also than end cap 34 height, and that the fixed part 63 ' of loading plate 6 ' extends downwards is more with ccontaining two electronic packages 92,93.And the order of assembling is described as follows.

Earlier the 3rd sliding part 421b of upper shell 4 is aligned the 4th sliding part 523 of lower house 5, then upper shell 4 is installed on lower house 5 along the glide direction slippage, and upper shell 4 is flushed with the front and back end of lower house 5.So, formed a bigger accommodation space 31 (being compared to first kind of assembling mode).Then, the end cap 34 ' with rear side is locked in upper shell 4 and lower house 5.Secondly, motherboard 91 is locked in the socle 62 ' of loading plate 6 ' by loading plate 6 ' top, and elder generation is locked in electronic package 93 fixed part 63 ' of loading plate 6 ' by loading plate 6 ' below, again electronic package 92 is locked in the fixed part 63 ' of loading plate 6 ' by loading plate 6 ' below, so finishes the assembling of motherboard 91 and

electronic package

92,93.

Once more, because loading plate 6 ' below is equipped with two

electronic packages

92,93, so need be installed on higher position, this moment second sliding part 61 ' of loading plate 6 ' is aligned the first sliding part 521b of lower house 5 by front openings 32, then with loading plate 6 ' backward slippage be installed on lower house 5, be positioned at accommodation space 31 fully up to loading plate 6 '.At last, the end cap 33 ' with the front side is locked in upper shell 4 and lower house 5.Finish whole assemblings.And similarly, finish assembling after, as need repairing or change the intraware of computing machine 9, only need pull down the end cap 33 ' of front side, again with loading plate 6 ' by extracting forward in the lower house 5, can take out loading plate 6 ' to repair or replace.

Can understand the utility model by aforementioned two kinds of assembling modes is how to adjust the height that loading plate 6 is installed in response to user's demand, and adjusts the height of housing unit 3 and then adjust the size of accommodation space 31.And what will specify is that in the present embodiment, each lower side panel 52 has only two first sliding

part

521a, 521b, but the quantity of first sliding part also can have only one (adjusting loading plate 6 function highly but promptly has this moment), or more than three.

And similarly, in the present embodiment, each epipleural 42 has only two the 3rd sliding

part

421a, 421b, but the quantity of the 3rd sliding part also can have only one (but promptly not having the function of adjusting accommodation space 31 sizes this moment), or more than three.

In other design, upper shell 4 also can be one-body molded with lower house 5, does not promptly have the function of adjusting accommodation space 31 sizes this moment; Even the end cap 34 of upper shell 4, lower house 5 and rear side also can be one-body molded.

The installation accessories of computer housing 2 then is described, the user can optionally arrange in pairs or groups and use installing plate 7 (consulting Fig. 9) or collocation to use elastic strip 8 (consulting Figure 10), below explanation respectively.

Consult Fig. 9, computer housing 2 also comprises an installing plate 7, two lateral margins have extended upward an installation portion 71 respectively about installing plate 7, the posterior lateral margin of installing plate 7 has extended upward a locking part 72, two installation portions 71 are installed on forward two mounting grooves 511 of lower house 5 slippingly from housing unit 3 rear ends respectively, to be installed to the location, locking part 72 is locked on the end cap 34 of rear side.By the design of lockhole 73 on the installing plate 7, the needs that make computing machine 9 can look the user are locked on display (figure does not show) or the wall.

Consult Figure 10, computer housing 2 also comprises two elastic strips 8, and the cross section of each elastic strip 8 is V-shaped and be installed on respectively in the mounting groove 511, and part protrudes from mounting groove 511.By the design of elastic strip 8, when being kept flat, can reduce by computing machine 9 friction of lower house 5 and placement surface.

In sum, by loading plate 6,6 ' second sliding part 61,61 ' the first sliding part 521a, the design that 521b slides on glide direction of housing unit 3 relatively, the motherboard 91 and the

electronic package

92,93 that are fixed in loading plate 6 can be extracted out together with loading plate 6, reach and utilize slide rail design and can assemble fast, so can reach the purpose of this utility model really.In addition, because lower side panel 52 has the first sliding part 521a of two differing heights, the design of 521b, cooperate epipleural 42 that the 3rd sliding part 421a of two differing heights, the design of 421b are arranged, the utility model allows the user optionally adjust the height that loading plate 6 is installed in addition, and the advantage of adjusting the height of housing unit 3.

The above-described content of thought, it only is preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented with this, be every simple equivalent variations and modification of being done according to the utility model claims scope and utility model description, all still belong in the scope that the utility model patent contains.

Claims

1. A computer casing, for a motherboard to be housed therein, said computer casing comprising:

A housing unit having an opening, wherein two opposite sides of the inner surface of the housing unit are respectively provided with at least one first sliding portion extending along a sliding direction and connected to the opening; and

A bearing plate is used for fixing the main board, and two opposite side edges of the bearing plate are respectively provided with a second sliding portion that can slide relative to the first sliding portion in the sliding direction.

2. The computer casing according to claim 1, wherein the casing unit further has a lower casing that cooperates to define an accommodating space and a bottom casing that is slidably installed in the sliding direction along the sliding direction. The upper shell of the lower shell, the lower shell has a bottom plate and two lower side plates extending upward from the left and right side edges of the bottom plate, the upper shell has a top plate and two left and right side plates extending from the top plate The upper side plate whose side edge extends downward, the inner surfaces of the two upper side plates or the two lower side plates are respectively formed with the first sliding part.

3 . The computer case according to claim 2 , wherein two first sliding portions spaced apart from each other are formed on two opposite sides of the inner surface of the housing unit. 4 .

4. The computer case according to claim 3, wherein the first sliding portion is formed on an inner surface of the lower side plate.

5. The computer casing according to any one of claims 1 to 4, wherein the first sliding portion is formed by two plates extending inwardly from the inner surface of the housing unit at intervals. formed track.

6. The computer case according to claim 5, wherein the second sliding portion of the loading plate is a plurality of protrusions protruding from the side edge of the main body of the loading plate, and the plurality of protrusions Sheet slides are provided in corresponding tracks.

7. The computer casing according to any one of claims 2 to 4, wherein the two upper side plates and the two lower side plates adjacent to each other are respectively formed with a pair of At least one third sliding part and one fourth sliding part are slidably connected.

8 . The computer case according to claim 7 , wherein two third sliding portions at different heights are respectively formed on the surfaces of the two upper side plates.

9. The computer case according to claim 8, wherein the third sliding portion is formed on the inner surface of the upper side plate, and the fourth sliding portion is formed on the outer surface of the lower side plate .

10. The computer case according to claim 7, wherein the third sliding portion is a first sheet and a second sheet extending inwardly from the inner surface of the upper side plate at intervals The cross-section of the first sheet is horizontal, the second sheet is located below the first sheet and the cross-section is hook-shaped, and the fourth sliding part is a The outer surface extends outwards and the third piece is hook-shaped in section.

11. The computer casing according to claim 1, wherein the casing unit further has an end cover detachably covering the opening.

12 . The computer case according to claim 2 , wherein the outer surface of the bottom plate of the lower case is recessed inwardly to form two installation grooves extending along the front-rear direction. 13 .

13. The computer case according to claim 12, characterized in that the computer case further comprises a mounting plate, the left and right side edges of the mounting plate respectively extend upwards with a mounting portion, and the rear of the mounting plate A locking portion extends upward from the side edge, and the two mounting portions are respectively slidably installed in the two mounting grooves along the front and rear directions, and the housing unit also has an end detachably covering the opening. The cover, the locking portion is locked to the end cover on the rear side.

14 . The computer case according to claim 12 , further comprising two elastic strips, each of which is installed in the installation groove and partially protrudes from the installation groove.

15. The computer casing according to claim 2, wherein the upper and lower casings are extruded aluminum casings.

16. The computer casing according to claim 2, wherein the upper and lower casings are formed with a plurality of openings.

17. The computer case according to claim 1, wherein at least one electronic component is fixed to the carrier board.

18. A computer comprising:

a motherboard; and

A computer casing, for the motherboard to be accommodated therein, the computer casing includes:

A housing unit having an opening, wherein two opposite sides of the inner surface of the housing unit are respectively provided with at least one first sliding portion extending along a sliding direction and connected to the opening, and

A bearing board, two opposite side edges of the bearing board are respectively provided with a second sliding part that can slide in the sliding direction relative to the first sliding part, and the main board is fixed on the bearing board.

19. The computer according to claim 18, wherein the housing unit further has a lower housing that cooperates to define an accommodating space, and a lower housing that is slidably installed in the sliding direction along the sliding direction. The upper shell of the shell, the lower shell has a bottom plate and two lower side plates extending upward from the left and right side edges of the bottom plate, the upper shell has a top plate and two left and right side plates from the top plate The upper side plate extending downwards, the inner surfaces of the two upper side plates or the two lower side plates are respectively formed with the first sliding part.

20 . The computer according to claim 19 , wherein two first sliding portions are formed on opposite sides of the inner surface of the housing unit respectively. 21 .

21. The computer according to claim 20, wherein the first sliding portion is formed on an inner surface of the lower side plate.

22. The computer according to any one of claims 18 to 21, wherein the first sliding portion is formed by two plates extending inwardly from the inner surface of the housing unit at intervals track.

23. The computer according to claim 22, wherein the second sliding portion of the loading plate is a plurality of protruding pieces protruding from the side edge of the main body of the loading plate, and the plurality of sliding pieces slide in the corresponding track.

24. The computer according to any one of claims 19 to 21, characterized in that, adjacent to the two upper side plates and the two lower side plates are respectively formed extending along the sliding direction and mutually slidable At least one third sliding part and one fourth sliding part are ground-movingly connected.

25. The computer according to claim 24, wherein two third sliding portions at different heights are respectively formed on the surfaces of the two upper side plates.

26. The computer according to claim 25, wherein the third sliding portion is formed on an inner surface of the upper side plate, and the fourth sliding portion is formed on an outer surface of the lower side plate.

27. The computer according to claim 24, wherein the third sliding portion is formed by a first sheet and a second sheet extending inwardly from the inner surface of the upper side plate at intervals , the cross-section of the first sheet is horizontal, the second sheet is located below the first sheet and has a hook-shaped cross-section, and the fourth sliding part is a The third piece extends outward and has a downward hook-shaped cross section.

28. The computer according to claim 18, wherein the housing unit further has an end cover detachably covering the opening.

29 . The computer according to claim 19 , wherein the outer surface of the bottom plate of the lower case is recessed inwardly to form two installation grooves extending along the front-rear direction. 29 .

30. The computer according to claim 29, wherein the computer case further comprises a mounting plate, the left and right side edges of the mounting plate respectively extend upwards with a mounting portion, and the rear side edge of the mounting plate A locking portion extends upward, and the two mounting portions are respectively slidably installed in the two mounting grooves along the front and rear directions, and the housing unit also has an end cover detachably covering the opening, The locking portion is locked to the rear end cover.

31. The computer according to claim 29, wherein the computer case further comprises two elastic bars, each of the elastic bars is installed in the installation groove and partially protrudes from the installation groove.

32. The computer of claim 19, wherein the upper and lower housings are extruded aluminum housings.

33. The computer according to claim 19, wherein the upper and lower housings are formed with a plurality of openings.

34. The computer according to claim 18, further comprising at least one electronic component, and the electronic component is fixed on the carrier board.