CN111766926A

CN111766926A - Dust-protection type computer mainframe

Info

Publication number: CN111766926A
Application number: CN202010669978.2A
Authority: CN
Inventors: 潘承恩
Original assignee: Telelink Hangzhou Information Technology Service Co ltd
Current assignee: Guangzhou Zhongsheng Technology Co.,Ltd.
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-10-13
Anticipated expiration: 2040-07-13
Also published as: CN111766926B

Abstract

The invention discloses a dustproof computer mainframe box which comprises a box body, wherein a front cover plate is fixedly installed at the front end of the box body, a switch is arranged on the front cover plate, and side plates are arranged on two sides of the box body. The dustproof computer mainframe box has the advantages that the dustproof heat dissipation structure can effectively prevent dust, can be adjusted when needed, and can enhance the heat dissipation effect, the whole mainframe box can be carried by the portable structure to move, the portable structure is convenient for long-distance moving work, can be stored when not used, saves space, is convenient for the mainframe box to move in a short distance, the balls in the structure can rotate at any angle, the flexibility in moving is improved, meanwhile, the balls can be replaced, the use effect is guaranteed, the fixing structure can ensure the stability of the mainframe box in use, the detachable fixing plate can be detached when the mainframe box is moved, and a user can conveniently detach and replace the detachable fixing plate.

Description

Dust-protection type computer mainframe

Technical Field

The invention relates to the field of computer cases, in particular to a dustproof computer case.

Background

The main chassis is used as a part of computer accessories, has the main function of placing and fixing various computer accessories, plays a role in supporting and protecting, has the important function of shielding electromagnetic radiation, and is not listed as a key consideration object in DIY because the chassis can not rapidly improve the performance of the whole computer unlike the accessories such as a CPU, a display card, a mainboard and the like. However, the case is not useless, and after some users buy the mixed brand case, the main board and the case form a loop, which causes short circuit and makes the system unstable; in the current mainframe box, can set up the thermovent on the curb plate and be used for the heat dissipation, but the dustproof effect of thermovent department is not good, the dust very easily enters into the inside use that influences the component of box, mainframe box shell simple structure simultaneously, be unfavorable for long distance removal work, it is very inconvenient to remove, current mainframe box lower extreme generally can set up the wheel, but wheel structure is fixed, turn to when inconvenient box removes, it has certain limitation to remove, and after adopting the wheel, the stability when box is placed can not get effectual guarantee, the easy displacement that takes place when the mainframe box uses, lead to contact failure to influence the use.

Disclosure of Invention

The invention mainly aims to provide a dustproof computer mainframe box which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a dust-protection type computer mainframe box, includes the box, the front end fixed mounting of box has the front shroud, and is provided with the switch on the front shroud, the both sides of box all are equipped with the curb plate, and are provided with the thermovent on the curb plate, the position department that lies in the thermovent on the curb plate installs dustproof heat radiation structure, and is equipped with connection structure between dustproof heat radiation structure and the curb plate, dustproof heat radiation structure includes mount, dog, swivel mount, pivot, dust screen, arc pole, stopper, protection network and fixed fritter, be equipped with portable structure on the box, and portable structure runs through in the curb plate, the lower fixed surface of box installs moving structure, and the lower extreme position department of box is provided with the fixed knot who is used for guaranteeing the mainframe box steadiness and constructs.

Preferably, an indicator light is fixedly arranged on the front cover plate and is located below the switch, a USB interface is arranged at a position, close to the switch, on the front cover plate, and an audio interface is arranged at a position, located below the USB interface, on the front cover plate.

Preferably, the check block is connected to the fixing frame, the rotating shaft is arranged between the rotating frame and the fixing frame, the rotating frame is connected with the fixing frame in a rotating mode through the rotating shaft, the dustproof net is fixed to the rotating frame, the arc-shaped rod is fixed to the inner side of the rotating frame, and the limiting block is fixed to the tail end position of the arc-shaped rod.

Preferably, the baffle block is provided with an arc-shaped groove in an opening and closing manner, the arc-shaped rod is positioned in the arc-shaped groove on the baffle block, the protective net is fixed between the arc-shaped rod and the rotating frame, and the small fixing block is fixed at the lower end of the outer side of the rotating frame.

Preferably, the connecting structure comprises a threaded hole, a through hole and a fastening screw, the threaded hole is formed in the position, close to the heat dissipation port, of the side plate, the through hole is formed in the dustproof heat dissipation structure, the tail end of the fastening screw penetrates through the through hole, and the tail end of the fastening screw is in threaded connection with the threaded hole.

Preferably, the portable structure includes a fixing base, a moving slot, a clamping block, a sliding slot, a moving rod, a round block, a connecting rod, a clamping slot and a groove, the fixing base is fixed at the top end of the box body, the moving slot is arranged on the fixing base, the clamping block is fixed in the moving slot on the fixing base, the sliding slot is arranged in the moving slot, the round block is fixed at one end of the moving rod, the connecting rod is fixed at the other end of the moving rod, the clamping slot is arranged at a position on the moving rod close to the round block, and the groove is arranged on the connecting rod.

Preferably, the movable rod is located in the movable groove, the round block is arranged in the sliding groove in a sliding mode, and the clamping block is clamped with the clamping groove.

Preferably, the movable structure includes fixed block, double-screw bolt, first circular slot, external screw thread, can tear piece, second circular slot, ball and internal thread, the double-screw bolt sets up on the fixed block, and threaded connection between double-screw bolt and the box, first circular slot is seted up on the fixed block, the external screw thread sets up on the fixed block, the second circular slot is seted up on can tearing the piece, second circular slot and first circular slot form the spherical chamber, the ball sets up in spherical intracavity, the internal thread is seted up on can tearing the piece, and threaded connection between internal thread and the external screw thread, can tear the piece and pass through internal thread, external screw thread connection on the fixed block.

Preferably, fixed knot constructs including square groove, screw, guide slot, square piece, guide arm, connecting screw and removable fixed plate, square groove is seted up on the box, screw and guide slot are all seted up in square inslot, square piece is connected with the guide arm, and the guide arm sets up in the guide slot, square piece sets up in square inslot through the guide arm, connecting screw is fixed in square piece, and threaded connection between connecting screw and the screw, removable fixed plate sets up in square piece's lower extreme.

Preferably, removable fixed plate is including assembly piece, fixed plate main part, assembly groove and abrasion pad, the assembly piece is fixed in the lower extreme of square piece, the assembly groove is seted up in the fixed plate main part, and the fixed plate main part passes through the assembly groove and connects on the assembly piece, the abrasion pad is fixed in the lower surface of fixed plate main part.

Compared with the prior art, the invention has the following beneficial effects:

1. the dustproof heat dissipation structure can effectively prevent dust while dissipating heat, and the structures such as the rotating frame are arranged in the structure, so that the dustproof heat dissipation structure is convenient to adjust when needed to enhance the heat dissipation effect, and can ensure the dustproof effect after being stored after being used;

2. the portable structure is arranged on the case body, and the whole mainframe case can be carried by the portable structure to move, so that long-distance moving work is facilitated, and the portable structure can be stored when not used, so that space is saved;

3. the moving structure is adopted, so that the mainframe box can move in a short distance conveniently, the balls can rotate at any angle by using the balls in the moving structure, the flexibility in moving is improved, and meanwhile, the balls can be replaced, so that the using effect is guaranteed;

4. the fixing structure is used for ensuring the stability of the mainframe box, the stability of the mainframe box during use can be ensured, and the fixing structure can be adjusted to ensure that the mainframe box is not influenced when moving;

5. meanwhile, the detachable fixing plate in the fixing structure can be detached, so that a user can detach the fixing plate to replace the fixing plate when the part at the fixing plate is damaged.

Drawings

FIG. 1 is a schematic view of an overall structure of a dustproof computer main case according to the present invention;

FIG. 2 is a schematic structural diagram of a dustproof heat dissipation structure of a dustproof computer mainframe according to the present invention;

FIG. 3 is a schematic structural diagram of a connection structure of a dustproof computer mainframe according to the present invention;

FIG. 4 is a schematic structural diagram of a portable structure of a dustproof computer mainframe according to the present invention;

FIG. 5 is a schematic view of a detachable structure of a mobile structure of a dustproof computer mainframe;

FIG. 6 is a schematic structural diagram of a fixing structure of a dustproof computer mainframe according to the present invention;

fig. 7 is a schematic structural diagram of a detachable fixing plate of a dustproof computer mainframe according to the present invention.

In the figure: 1. a box body; 2. a front cover plate; 3. a switch; 4. a side plate; 5. a dustproof heat dissipation structure; 501. a fixed mount; 502. a stopper; 503. a rotating frame; 504. a rotating shaft; 505. a dust screen; 506. an arcuate bar; 507. a limiting block; 508. a protective net; 509. fixing the small blocks; 6. a heat dissipation port; 7. a threaded hole; 8. a through hole; 9. fastening screws; 10. a hand-held structure; 1001. a fixed seat; 1002. a moving groove; 1003. a clamping block; 1004. a chute; 1005. a travel bar; 1006. a round block; 1007. a connecting rod; 1008. a card slot; 1009. a groove; 11. a moving structure; 1101. a fixed block; 1102. a stud; 1103. a first circular groove; 1104. an external thread; 1105. a detachable block; 1106. a second circular groove; 1107. a ball bearing; 1108. an internal thread; 12. a square groove; 13. a screw hole; 14. a guide groove; 15. a square block; 16. a guide bar; 17. a connecting screw; 18. a detachable fixing plate; 1801. assembling the block; 1802. a fixed plate main body; 1803. assembling a groove; 1804. a wear pad; 19. a USB interface; 20. an audio interface.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-7, a dustproof computer mainframe box comprises a box body 1, a front cover plate 2 is fixedly installed at the front end of the box body 1, a switch 3 is arranged on the front cover plate 2, side plates 4 are arranged on both sides of the box body 1, a heat dissipation port 6 is arranged on each side plate 4, a dustproof heat dissipation structure 5 is installed on each side plate 4 at the position of the heat dissipation port 6, a connection structure is arranged between each dustproof heat dissipation structure 5 and each side plate 4, each dustproof heat dissipation structure 5 comprises a fixed frame 501, a stop block 502, a rotating frame 503, a rotating shaft 504, a dustproof net 505, an arc-shaped rod 506, a stop block 507, a protective net 508 and a fixed small block 509, a portable structure 10 is arranged on the box body 1, the portable structure 10 penetrates through the side plates 4, a moving structure 11 is fixedly installed on the lower surface of the box body 1, a fixed structure 509 for ensuring the stability of the mainframe box is arranged, the dustproof structure has the advantages that the dustproof structure can effectively prevent dust while heat dissipation is carried out, the structures such as the rotating frame 503 are arranged in the structure, adjustment is convenient to carry out when needed, so that the heat dissipation effect is enhanced, and the dustproof effect can be guaranteed when the dustproof structure is stored after use;

an indicator light is fixedly arranged on the front cover plate 2 and is positioned below the switch 3, a USB interface 19 is arranged on the front cover plate 2 and is close to the switch 3, and an audio interface 20 is arranged on the front cover plate 2 and is positioned below the USB interface 19; the stopper 502 is connected to the fixed mount 501, the rotating shaft 504 is arranged between the rotating frame 503 and the fixed mount 501, the rotating frame 503 is rotatably connected with the fixed mount 501 through the rotating shaft 504, the dust screen 505 is fixed on the rotating frame 503, the arc-shaped rod 506 is fixed on the inner side of the rotating frame 503, and the limiting block 507 is fixed at the tail end of the arc-shaped rod 506; an arc-shaped groove is opened and closed on the block 502, the arc-shaped rod 506 is positioned in the arc-shaped groove on the block 502, the protective net 508 is fixed between the arc-shaped rod 506 and the rotating frame 503, and the fixed small block 509 is fixed at the lower end of the outer side of the rotating frame 503; the connecting structure comprises a threaded hole 7, a through hole 8 and a fastening screw 9, the threaded hole 7 is formed in the position, close to the heat dissipation port 6, on the side plate 4, the through hole 8 is formed in the dustproof heat dissipation structure 5, the tail end of the fastening screw 9 penetrates through the through hole 8, and the tail end of the fastening screw 9 is in threaded connection with the threaded hole 7; the portable structure 10 comprises a fixed seat 1001, a moving groove 1002, a fixture block 1003, a sliding groove 1004, a moving rod 1005, a round block 1006, a connecting rod 1007, a clamping groove 1008 and a groove 1009, wherein the fixed seat 1001 is fixed at the top end inside the box body 1, the moving groove 1002 is arranged on the fixed seat 1001, the fixture block 1003 is fixed in the moving groove 1002 on the fixed seat 1001, the sliding groove 1004 is arranged in the moving groove 1002, the round block 1006 is fixed at one end of the moving rod 1005, the connecting rod 1007 is fixed at the other end of the moving rod 1005, the clamping groove 1008 is arranged on the moving rod 1005 at a position close to the round block 1006, and the groove 1009 is arranged; the movable rod 1005 is positioned in the movable groove 1002, the round block 1006 is slidably arranged in the sliding groove 1004, and the clamping block 1003 and the clamping groove 1008 are clamped; the box body 1 is provided with the portable structure 10, the whole mainframe box can be carried by the portable structure 10 to move, long-distance moving work is convenient, and the portable structure can be stored when not used, so that the space is saved; the moving structure 11 comprises a fixing block 1101, a stud 1102, a first circular groove 1103, an external thread 1104, a detachable block 1105, a second circular groove 1106, a ball 1107 and an internal thread 1108, wherein the stud 1102 is arranged on the fixing block 1101, the stud 1102 is in threaded connection with the box body 1, the first circular groove 1103 is arranged on the fixing block 1101, the external thread 1104 is arranged on the fixing block 1101, the second circular groove 1106 is arranged on the detachable block 1105, the second circular groove 1106 and the first circular groove 1103 form a spherical cavity, the ball 1107 is arranged in the spherical cavity, the internal thread 1108 is arranged on the detachable block 1105 and is in threaded connection with the external thread 1104, and the detachable block 1105 is connected to the fixing block 1101 through the internal thread 1108 and the external thread 1104; the movable structure 11 is adopted, so that the short-distance movement of the mainframe box is facilitated, the balls 1107 are used in the movable structure 11 and can rotate at any angle, the flexibility in movement is improved, and meanwhile, the balls 1107 are arranged by adopting structures such as the detachable block 1105 and the like, so that the balls 1107 can be detached and replaced, and the use effect is guaranteed; the fixing structure comprises a square groove 12, a screw hole 13, a guide groove 14, a square block 15, a guide rod 16, a connecting screw 17 and a detachable fixing plate 18, wherein the square groove 12 is formed in the box body 1, the screw hole 13 and the guide groove 14 are formed in the square groove 12, the square block 15 is connected with the guide rod 16, the guide rod 16 is arranged in the guide groove 14, the square block 15 is arranged in the square groove 12 through the guide rod 16, the connecting screw 17 is fixed in the square block 15, the connecting screw 17 is in threaded connection with the screw hole 13, and the detachable fixing plate 18 is arranged at the lower end of the square block 15; the detachable fixing plate 18 comprises an assembly block 1801, a fixing plate body 1802, an assembly groove 1803 and a wear pad 1804, wherein the assembly block 1801 is fixed at the lower end of the square block 15, the assembly groove 1803 is opened on the fixing plate body 1802, the fixing plate body 1802 is connected to the assembly block 1801 through the assembly groove 1803, and the wear pad 1804 is fixed on the lower surface of the fixing plate body 1802; utilize fixed knot to construct the stability of guaranteeing the mainframe box, degree of steadiness when guaranteeing the mainframe box and using to fixed knot constructs and can adjust, is not influenced when guaranteeing that the mainframe box removes, and removable fixed plate 18 among the fixed knot constructs simultaneously can dismantle, and the person of facilitating the use dismantles when the part of removable fixed plate 18 department damages and gets off to change.

It should be noted that, the invention is a dustproof computer mainframe box, firstly, the mobile structure 11 is installed at the lower end of the box 1, when installing, the user aligns the stud 1102 on the fixing block 1101 at the eyelet of the lower end of the box 1, rotates the fixing block 1101, makes the stud 1102 rotate into the eyelet, thereby fixing each mobile structure 11, then the box 1 is placed vertically, at this time, the box 1 is supported by the mobile structure 11, after the mainframe box is at the destination, the user uses the tool to unscrew the connecting screw 17 on the square block 15 in the fixing structure, so that the square block 15 can move in the square groove 12, move the square block 15 downwards, until the detachable fixing plate 18 at the lower end of the square block 15 contacts the ground or the placing platform, in this process, the guide rod 16 moves in the guide groove 14, the moving stability of the square block 15 is ensured, after the detachable fixing plate 18 contacts the ground or the placing platform, at the moment, the hole on the square block 15 corresponds to the screw hole 13 at the lower position in the square groove 12, the connecting screw 17 is installed on the square block 15, so that the tail end of the connecting screw 17 is in threaded connection with the screw hole 13, and further the whole fixing structure is fixed, at the moment, a larger friction force exists between the detachable fixing plate 18 and the ground or a placing platform, under the action of the friction force, the box body 1 is stably placed, when the box body 1 is placed stably, relevant cables are connected, so that the main box is connected with a power supply, a display screen and other structures, and then the main box is used, when the main box is used, the main box is started through the switch 3 on the front cover plate 2, the main board and other structures inside the box body 1 start to run, a user can utilize the USB interface 19 and the audio interface 20 to connect corresponding equipment, so as to ensure the use effect, and in the use process of the main box, the, the heat is dissipated through the heat dissipating opening 6 and the dustproof heat dissipating structure 5, when heat dissipation is performed, the heat sequentially passes through the heat dissipating opening 6 and the dustproof net 505 on the rotating frame 503, the dustproof net 505 prevents dust, and can effectively prevent dust from entering the box 1 through the heat dissipating opening 6, so that normal use of each element is ensured, if heat dissipation efficiency needs to be increased, when heat dissipation effect is improved, a user can hold the fixed small block 509 on the rotating frame 503, pull the rotating frame 503 to rotate on the fixed frame 501 around the rotating shaft 504, and at the same time, the arc-shaped rod 506 slides along the arc-shaped groove on the block 502 until the limit block 507 contacts the block 502, at this time, under the action of friction force between the arc-shaped rod 506 and the arc-shaped groove in the block 502, the position of the rotating frame 503 is kept unchanged, at this time, the heat can be dissipated through the protective net 508 besides, the protective net 508 has larger holes, which is convenient for heat dissipation, in the process, because the heat is diffused outwards, the dust is not easy to enter the box 1 through the protective net 508, when the use is completed, the mainframe box is closed, then the rotating frame 503 is rotated, so that the rotating frame 503 can return to the initial position, if the dustproof heat dissipation structure 5 needs to be disassembled for maintenance, the fastening screws 9 in the through holes 8 and the threaded holes 7 are directly screwed off, the whole dustproof heat dissipation structure 5 can be disassembled for maintenance and replacement, after the operation is completed, the fastening screws 9 are used for installation and fixation, when the small-range movement is needed, the user pushes the box 1, the balls 1107 in the first circular groove 1103 and the second circular groove 1106 in the moving structure 11 are stressed to rotate, so that the mainframe box is moved through the whole moving structure 11 until the box is moved to a proper position, in the process, the ball 1107 can rotate freely in the circular groove, the flexibility of the mainframe box during moving is improved, if the ball 1107 is damaged and needs to be replaced, a user rotates the detachable block 1105 below the fixed block 1101, the internal thread 1108 on the detachable block 1105 is separated from the external thread 1104, so that the detachable block 1105 is detached, the ball 1107 falls down, then the intact ball 1107 is placed in the second circular groove 1106, then the detachable block 1105 is installed on the fixed block 1101, the structure is simple, the operation is convenient, the detachment and replacement are convenient, the use effect is guaranteed, if the mainframe box needs to be moved for a long distance, the user puts fingers in the groove 1009 in the portable structure 10, pulls the connecting rod 1007, the connecting rod 1007 drives the moving rod to move 1002 in the moving groove on the fixed seat 1005 until the circular block 1006 contacts the end of the sliding groove 1004, then the palm is held on the connecting rod 1007, the whole mainframe box can be moved by lifting, after removing required place, put down the mainframe box, push into carriage release lever 1005 and connecting rod 1007 for the fixture block 1003 joint to the draw-in groove 1008 in can, after long-time the use, removable fixed plate 18 appears damaging and needs to be changed, the user can pull down fixed plate main part 1802 and wear pad 1804 and change, then reuse assembly block 1801 and assembly groove 1803 mutually support with fixed plate main part 1802 install the lower extreme of square piece 15 can, simple structure, convenient operation.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a dust protected computer mainframe which characterized in that: the dustproof heat dissipation structure comprises a box body (1), a front cover plate (2) is fixedly installed at the front end of the box body (1), a switch (3) is arranged on the front cover plate (2), side plates (4) are arranged on two sides of the box body (1), heat dissipation ports (6) are formed in the side plates (4), a dustproof heat dissipation structure (5) is installed at the position, located at the heat dissipation ports (6), of each side plate (4), a connecting structure is arranged between each dustproof heat dissipation structure (5) and each side plate (4), each dustproof heat dissipation structure (5) comprises a fixing frame (501), a stop block (502), a rotating frame (503), a rotating shaft (504), a dustproof net (505), an arc-shaped rod (506), a limiting block (507), a protective net (508) and a small fixing block (509), a portable structure (10) is arranged on the box body (1), the portable structure (10) penetrates through the side plates (4), and a moving structure (11), and the lower end position of the box body (1) is provided with a fixing structure for ensuring the stability of the mainframe box.

2. The dust-proof computer main case according to claim 1, wherein: the USB audio player is characterized in that an indicating lamp is fixedly arranged on the front cover plate (2) and is located below the switch (3), a USB interface (19) is arranged at a position, close to the switch (3), on the front cover plate (2), and an audio interface (20) is arranged at a position, below the USB interface (19), on the front cover plate (2).

3. The dust-proof computer main case according to claim 1, wherein: the stopper (502) is connected on the fixing frame (501), the rotating shaft (504) is arranged between the rotating frame (503) and the fixing frame (501), the rotating frame (503) is rotatably connected with the fixing frame (501) through the rotating shaft (504), the dustproof net (505) is fixed on the rotating frame (503), the arc-shaped rod (506) is fixed on the inner side of the rotating frame (503), and the limiting block (507) is fixed at the tail end position of the arc-shaped rod (506).

4. The dust-proof computer main case according to claim 1, wherein: an arc-shaped groove is opened and closed on the block (502), the arc-shaped rod (506) is positioned in the arc-shaped groove on the block (502), the protective net (508) is fixed between the arc-shaped rod (506) and the rotating frame (503), and the fixed small block (509) is fixed at the lower end of the outer side of the rotating frame (503).

5. The dust-proof computer main case according to claim 1, wherein: the connecting structure comprises a threaded hole (7), a through hole (8) and a fastening screw (9), the threaded hole (7) is arranged at a position close to the heat dissipation port (6) on the side plate (4), the through hole (8) is arranged on the dustproof heat dissipation structure (5), the tail end of the fastening screw (9) penetrates through the through hole (8), and the tail end of the fastening screw (9) is in threaded connection with the threaded hole (7).

6. The dust-proof computer main case according to claim 1, wherein: the portable structure (10) comprises a fixing seat (1001), a moving groove (1002), a clamping block (1003), a sliding groove (1004), a moving rod (1005), a round block (1006), a connecting rod (1007), a clamping groove (1008) and a groove (1009), wherein the fixing seat (1001) is fixed at the top end of the interior of the box body (1), the moving groove (1002) is formed in the fixing seat (1001), the clamping block (1003) is fixed in the moving groove (1002) on the fixing seat (1001), the sliding groove (1004) is formed in the moving groove (1002), the round block (1006) is fixed at one end of the moving rod (1005), the connecting rod (1007) is fixed at the other end of the moving rod (1005), the clamping groove (1008) is arranged at a position, close to the round block (1006), on the moving rod (1005), and the groove (1009) is formed in the connecting rod (1007).

7. The dust-proof computer main case according to claim 6, wherein: the movable rod (1005) is positioned in the movable groove (1002), the round block (1006) is arranged in the sliding groove (1004) in a sliding mode, and the clamping block (1003) is clamped with the clamping groove (1008).

8. The dust-proof computer main case according to claim 1, wherein: remove structure (11) including fixed block (1101), double-screw bolt (1102), first circular slot (1103), external screw thread (1104), removable piece (1105), second circular slot (1106), ball (1107) and internal thread (1108), double-screw bolt (1102) sets up on fixed block (1101), and threaded connection between double-screw bolt (1102) and box (1), first circular slot (1103) is seted up on fixed block (1101), external screw thread (1104) sets up on fixed block (1101), second circular slot (1106) is seted up on removable piece (1105), second circular slot (1106) and first circular slot (1103) form spherical chamber, ball (1107) set up in spherical chamber, internal thread (1108) are seted up on removable piece (1105), and threaded connection between internal thread (1108) and external screw thread (1104), removable piece (1105) has been established through internal thread (1108), The external thread (1104) is connected to the fixing block (1101).

9. The dust-proof computer main case according to claim 1, wherein: fixed knot constructs including square groove (12), screw (13), guide slot (14), square piece (15), guide arm (16), connecting screw (17) and removable fixed plate (18), square groove (12) are seted up on box (1), screw (13) and guide slot (14) are all seted up in square groove (12), square piece (15) are connected with guide arm (16), and guide arm (16) set up in guide slot (14), square piece (15) set up in square groove (12) through guide arm (16), connecting screw (17) are fixed in square piece (15), and threaded connection between connecting screw (17) and screw (13), removable fixed plate (18) set up in the lower extreme of square piece (15).

10. A dust-proof computer main case according to claim 9, wherein: the detachable fixing plate (18) comprises an assembling block (1801), a fixing plate main body (1802), an assembling groove (1803) and a wear-resistant pad (1804), wherein the assembling block (1801) is fixed at the lower end of the square block (15), the assembling groove (1803) is arranged on the fixing plate main body (1802), the fixing plate main body (1802) is connected to the assembling block (1801) through the assembling groove (1803), and the wear-resistant pad (1804) is fixed on the lower surface of the fixing plate main body (1802).