CN113672057A

CN113672057A - Computer host case

Info

Publication number: CN113672057A
Application number: CN202111223748.4A
Authority: CN
Inventors: 赵文秀; 任石
Original assignee: Shandong College Of Information Technology
Current assignee: Shandong College Of Information Technology
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2021-11-19
Anticipated expiration: 2041-10-21
Also published as: CN113672057B

Abstract

The invention is suitable for the technical field of computer chassis, has provided a computer host chassis, comprising: the refrigerator comprises a box body and a cover plate, wherein one side of the box body is open, and the cover plate is detachably connected with the open side of the box body; an avoidance space and a plugging component are arranged in the middle of the cover plate; the plugging assembly comprises: lift portion and location portion, lift portion includes: the device comprises a hoisting shaft, a plurality of shielding shafts and a motor; the positioning portion includes: the positioning parts are positioned on two sides of the avoiding space. Therefore, the avoiding space and the plugging component are additionally arranged on the cover plate, so that when the computer is used, the avoiding space is automatically opened, air flow is increased, the heat dissipation efficiency is improved, the dust removal effect is better, and meanwhile, when the computer is stopped, the avoiding space is automatically closed, so that the dust prevention effect is better; during maintenance, the avoiding space is opened, maintenance and cleaning of the host can be achieved, extra tools are not needed, and the device is simple, rapid and convenient to operate.

Description

Computer host case

Technical Field

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

Background

The chassis is used as a part of computer accessories, plays a main role in placing and fixing the computer accessories, plays a role in supporting and protecting, and is designed to be related to heat dissipation of a computer host. However, the existing host accessories are updated quickly, the higher accessories are configured, the larger the calorific value is, the host case is updated slowly, the heat dissipation holes on the surface of the host case are difficult to perform effective heat dissipation, and the performance of hardware is influenced; when the computer is used for a long time, dust in the computer is accumulated for a long time to form a dust layer to cover accessories such as a mainboard and the like, so that heat dissipation and short circuit are easily influenced. Generally, a user does not specially open a case to clean dust, the case is often opened when a computer fails and needs to be maintained, at the moment, a dust layer inside the computer case is often thick, soot blowing needs to be performed first, a large amount of dust overflows, the surrounding environment is affected, maintenance and cleaning are troublesome, and meanwhile, tools such as a screwdriver are needed to open the computer case, and disassembly is also troublesome.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

Disclosure of Invention

Aiming at the defects, the invention aims to provide a computer host case, which is additionally provided with an avoidance space and a plugging component on a cover plate, so that when a computer is used, the avoidance space is automatically opened, the air flow is increased, the heat dissipation efficiency is improved, the dust removal effect is better, the long-term accumulation of dust is avoided, meanwhile, when the computer is stopped, the avoidance space is automatically closed, the dust prevention effect is better, the opening and closing of the avoidance space are automatic, and the manual control is not needed; during maintenance, an electric or manual mode is adopted, the avoiding space is opened, maintenance and cleaning of the host can be achieved, extra tools are not needed, and the device is simple, rapid and convenient to operate.

In order to achieve the above object, the present invention provides a computer host case, comprising: the refrigerator comprises a box body and a cover plate, wherein one side of the box body is opened, and the cover plate is detachably connected with the opening side of the box body; an avoidance space and a plugging component are arranged in the middle of the cover plate, and the plugging component is used for plugging the avoidance space;

the plugging assembly comprises: lift portion and location portion, lift portion includes: the device comprises a winch shaft, a plurality of shielding shafts and a motor, wherein the winch shaft is positioned above the avoidance space, the motor is in telescopic connection with the cover plate, the winch shaft is in rotary connection with the cover plate, and the motor is in transmission connection with the winch shaft; flexible shielding pieces are sleeved on the shielding shafts, and the width of each flexible shielding piece is matched with the width of the avoidance space; the shielding shafts are connected with the hoisting shaft through ropes and can move up and down along the cover plate;

the positioning portion includes: the positioning parts are positioned on two sides of the avoidance space, and when the telescopic rod is in an extending state, the front end of the telescopic rod is intersected with the moving track of the shielding shaft; when the telescopic rod is in a contraction state, the front end of the telescopic rod is far away from the moving track of the shielding shaft.

According to the computer host case, the lifting part further comprises an electromagnet and an armature which are sleeved with each other, the electromagnet is fixedly connected with the cover plate, and the motor is fixedly connected with the armature.

According to the computer host case, the blocking component further comprises a proximity switch, the proximity switch is fixedly connected with the cover plate, and the proximity switch controls the connection of the motor and the electrifying state of the electromagnet.

According to the computer host case, the rotating shaft of the motor is provided with the friction disc, and one end of the winding shaft is provided with the same friction disc corresponding to the friction disc.

According to the computer host case, the cover plate is provided with a sliding groove corresponding to the shielding shaft, and the shielding shaft is connected with the sliding groove in a sliding manner.

According to the computer host case, the cover plate is also fixedly provided with a heat dissipation fan, and the heat dissipation fan blows air towards the interior of the case body.

According to the computer host case of the present invention, the positioning portion further comprises: the electromagnetic coil comprises an electromagnetic coil and an iron shaft, wherein one end of the iron shaft is elastically connected with the cover plate, the other end of the iron shaft is fixedly connected with the telescopic rod, and the iron shaft is slidably connected inside the electromagnetic coil.

According to the computer host case, the handle is arranged on the outer side below the flexible shielding piece, the cover plate is provided with a buckle corresponding to the handle, and the handle and the buckle can be clamped.

According to the computer host case, the winding shaft is provided with the volute spiral spring, and two ends of the volute spiral spring are respectively and fixedly connected with the winding shaft and the cover plate.

According to the computer host case, the plugging component further comprises a storage battery, the storage battery is used for providing a standby power supply, the cover plate is provided with a power switch, and the power switch is used for electrically controlling the power supply of the storage battery.

According to the invention, the avoiding space and the plugging assembly are additionally arranged on the cover plate on one side of the box body, so that the avoiding space is opened and closed, and an operator can conveniently maintain and clean the avoiding space; the plugging component can automatically open or close the avoidance space when the computer is started or shut down, so that the automation of opening and closing the avoidance space is realized, the independent operation of an operator is not needed, and the convenience in use is improved; meanwhile, a heat dissipation fan for blowing air into the box body is additionally arranged, the heat dissipation effect is better, dust is cleaned while heat dissipation is achieved, long-term deposition of the dust is reduced, automatic air blowing and dust removal can be achieved when the computer is started every time, and the service life of the computer host is prolonged.

Drawings

FIG. 1 is a schematic view of a first state structure of the present invention; FIG. 2 is a second state of the present invention; FIG. 3 is a schematic view of the structure of the cover plate of the present invention; FIG. 4 is a schematic view of detail A of FIG. 3 according to the present invention; FIG. 5 is a schematic view of a first operating state of the electromagnet of the present invention; FIG. 6 is a schematic diagram of a second operating state of the electromagnet of the present invention; FIG. 7 is a schematic view of the positioning part of the present invention; FIG. 8 is a schematic view of the flexible covering of the present invention being received; FIG. 9 is a schematic perspective view of the cover plate of the present invention; fig. 10 is a schematic view of the structure of the motor of the present invention; FIG. 11 is a schematic view of the position of the chute of the present invention; in the figure, 1-lifting part, 11-winding shaft, 12-blocking shaft, 13-motor, 131-friction disc, 1311-strip-shaped protrusion, 14-flexible blocking piece, 15-scroll spring, 16-electromagnet, 161-armature, 17-proximity switch, 2-positioning part, 21-electromagnetic coil, 22-spring, 23-iron shaft, 24-telescopic rod, 3-storage battery, 4-cooling fan, 5-buckle, 6-handle, 7-power switch, 100-box body, 200-cover plate, 201-avoiding space and 202-sliding groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and 2, the present invention provides a computer host case. The computer host case includes: box 100 and apron 200, box 100 inside is used for installing accessories such as CPU, display card, mainboard, and the mainboard is just open to one side of box 100, and apron 200 can dismantle the opening side of connecting box 100, can adopt conventional connected mode: screwed or clamped. The middle of the cover plate 200 is provided with an avoiding space 201 and a plugging component, and the plugging component can open or close the avoiding space 201 for heat dissipation or maintenance of the host.

Referring to fig. 3, the occlusion assembly comprises: the lifting part 1 and the positioning part 2. The lifting unit 1 includes: the winding device comprises a winding shaft 11, a motor 13, a plurality of shielding shafts 12 and a flexible shielding piece 14 sleeved outside the shielding shafts 12, wherein the shielding shafts 12 are sleeved in the flexible shielding piece 14, and the shielding shafts 12 support the flexible shielding piece 14. The upper side of the flexible shielding piece 14 is fixedly connected above the avoidance space 201, and the width of the flexible shielding piece 14 is adapted to the width of the avoidance space 201, so that the avoidance space 201 can be shielded and sealed. Referring to fig. 9, the winding shaft 11 is located above the avoiding space 201 and above the shielding shafts 12, and the winding shaft 11 is rotatably connected to the cover plate 200. The motor 13 is connected with the cover plate 200 in a telescopic mode, the motor 13 can be in contact transmission and separation with the winding shaft 11, the motor 13 can be connected with the cover plate 200 in a telescopic mode through a telescopic electric cylinder or an air cylinder, when the motor 13 is in contact transmission with the winding shaft 11, the motor 13 drives the winding shaft 11 to rotate, and when the motor 13 is separated from the winding shaft 11, the winding shaft 11 stops rotating. The shielding shafts 12 are connected together through a rope, one end of the rope is fixedly connected to the hoisting shaft 11, and the other end of the rope is fixedly connected to the shielding shaft 12 at the lowest part. By the rotation of the winding shaft 11, the rope winds in or out of the winding shaft 11, lifts or lowers the lowermost shielding shaft 12, and the flexible shielding member 14 is stored or deployed, thereby opening or closing the avoidance space 201.

Referring to fig. 3 and 7, the positioning portion 2 is located on the left and right sides of the avoidance space 201, the positioning portion 2 includes a telescopic rod 24, and when the telescopic rod 24 is in an extended state, the front end of the telescopic rod 24 intersects with the moving track of the shielding shaft 12; when telescopic link 24 is in the shrink state, the removal orbit that shelters from axle 12 is kept away from to the front end of telescopic link 24 to realize that telescopic link 24 will shelter from axle 12 and fix or release, guarantee that flexible shielding piece 14 is accomodate the back, can keep accomodating the state with flexible shielding piece 14, when flexible shielding piece 14 needs to expand, telescopic link 24 contracts, can not produce the effect that hinders to shelter from axle 12 and remove. Namely: when the host computer need dispel the heat, hoist axle 11 will shelter from axle 12 and promote, and flexible shielding piece 14 is accomodate, and when hoist axle 11 stall, telescopic link 24 is overhanging, blocks the location with the shielding axle 12 of below, and flexible shielding piece 14 keeps accomodating the state, realizes dodging opening of space 201, promotes the circulation of air, guarantees the heat dissipation. When the host computer is shut down, the motor 13 is powered off, the telescopic rod 24 is contracted, the shielding shaft 12 sags due to self weight, the flexible shielding piece 14 is unfolded, the shielding space 201 is closed, and the dust prevention of the host computer is realized.

Referring to fig. 4, further, the lifting part 1 further includes: an elastic piece is arranged between the electromagnet 16 and the armature 161, two ends of the elastic piece are respectively and fixedly connected with the electromagnet 16 and the armature 161, with reference to fig. 9 and 10, the electromagnet 16 is fixedly connected to the cover plate 200, the armature 161 is sleeved on the electromagnet 16, and the motor 13 is fixedly connected to the armature 161. Referring to fig. 6, when the electromagnet 16 is energized, the armature 161 is attracted, the motor 13 moves to the right and abuts against the winding shaft 11, so that the transmission connection between the motor 13 and the winding shaft 11 is realized; referring to fig. 5, when the electromagnet 16 is powered off, the armature 161 drives the motor 13 to move left under the action of the elastic member, so as to separate the motor 13 from the winding shaft 11; through the cooperation of the electromagnet 16 and the armature 161, the transmission and the separation of the motor 13 and the hoisting shaft 11 are realized, and the motor 13 can be prevented from running in an overload mode and burning the motor 13 when the hoisting shaft 11 winds the rope completely.

Referring to fig. 10, further, a friction disc 131 is fixedly connected to a rotating shaft of the motor 13, the friction disc 131 is also disposed on a corresponding side of the winding shaft 11, and after the motor 13 moves to the right, transmission is realized through engagement of the two friction discs 131. The end face ring of the friction disc 131 is provided with the strip-shaped protrusions 1311, so that the transmission is more stable, and meanwhile, when an overload condition occurs, the strip-shaped protrusions 1311 on the two friction discs 131 are mutually extruded, so that the armature 161 moves to the left, the motor 13 and the winding shaft 11 slip, and the motor 13 is prevented from being burnt due to overload.

Referring to fig. 4 and 5, further, the plugging assembly further includes a proximity switch 17, the proximity switch 17 is fixedly connected to the cover plate 200, the proximity switch 17 is located on a motion track of the plugging shaft 12, and the proximity switch 17 is connected to the motor 13, the electromagnet 16 and the positioning portion 2 in a control manner through an external PLC program, and is used for controlling the separation and combination of the electromagnet 16 and the armature 161 and the extension and retraction of the telescopic rod 24. The magnetic sheet is arranged on the lowermost shielding shaft 12 corresponding to the proximity switch 17, and with reference to fig. 8, when the lowermost shielding shaft 12 is close to the proximity switch 17, the proximity switch 17 sends a signal to control the separation of the electromagnet 16 and the armature 161, the transmission connection between the motor 13 and the winding shaft 11 is cut off, the winding shaft 11 stops rotating, the telescopic rod 24 extends outwards, the lowermost shielding shaft 12 is blocked and positioned, and the flexible shielding piece 14 is stored and fixed. The proximity switch 17 adopts a reed switch proximity switch, and has small volume and sensitive response.

Referring to fig. 9 and 11, further, a sliding groove 202 is formed in the cover plate 200 corresponding to the blocking shaft 12, the sliding groove 202 is perpendicular to the blocking shaft 12, the inner diameter of the sliding groove 202 is adapted to the diameter of the blocking shaft 12, the blocking shaft 12 slides in the sliding groove 202, the blocking shaft 12 is guaranteed to slide up and down along the linear direction, and the blocking shafts 12 are prevented from being dislocated in the moving process.

Referring to fig. 3, further, a heat dissipation fan 4 is disposed on the cover plate 200, and the heat dissipation fan 4 blows air toward the inside of the box 100 to form positive pressure inside the chassis, so as to lift up the fine dust and blow the dust out of the chassis through the avoiding space 201. The heat dissipation fan 4 blows in the positive direction, heat generated by the main board, the CPU and the like can be quickly taken away, and compared with negative pressure air exhaust of the existing case, the cooling effect is better. Because the granule of dust is less to all realize outside blast air when using the computer at every turn, guaranteed the cleanness of quick-witted incasement portion, prevent the long-time gathering of dust, and the dust quantity that blows off at every turn is less, and is almost the same with the suspension dust in the room air, and the user of service is difficult to discover the variation, and is very little to user of service's influence, and is clean all can guarantee to the heat dissipation of quick-witted incasement portion, and has prolonged computer's life.

Referring to fig. 7, further, the positioning part 2 further includes: the electromagnetic coil 21 is fixedly connected to the cover plate 200, one end of the iron shaft 23 is fixedly connected to the electromagnetic coil 21 through the spring 22, the other end of the iron shaft 23 is fixedly connected to the telescopic rod 24, the iron shaft 23 is located inside the electromagnetic coil 21, when the electromagnetic coil 21 is electrified, the iron shaft 23 drives the telescopic rod 24 to move outwards, the telescopic rod 24 extends outwards, and when the electromagnetic coil 21 is powered off, the iron shaft 23 retracts the telescopic rod 24 under the action of the spring 22. The expansion/contraction state of the expansion link 24 is controlled by the energization state of the electromagnetic coil 21.

Furthermore, the electromagnet 16, the motor 13, the electromagnetic coil 21 and the cooling fan 4 control the on-off of the power supply through a power-on key on the host, when the computer is powered on, the electromagnet 16, the motor 13, the electromagnetic coil 21 and the cooling fan 4 are respectively powered on to act according to a set sequence under the control of an external program, and when the computer is powered off, the electromagnet 16, the motor 13, the electromagnetic coil 21 and the cooling fan 4 are powered off and reset.

Referring to fig. 3 to 7, further, the plugging assembly further includes a storage battery 3, the storage battery 3 belongs to a standby power supply, and is also used for supplying power to the electromagnet 16, the motor 13, the electromagnetic coil 21 and the heat dissipation fan 4, the plugging assembly further includes a power switch 7, the power switch 7 is fixedly connected with a cover plate 200 and is located on the outer side of the cover plate 200, and the power switch 7 controls the connection of the storage battery 3 with the electromagnet 16, the electromagnetic coil 21 and the heat dissipation fan 4. The storage battery 3 is provided with a charging interface and can be directly charged through the computer host. When the host computer needs to be maintained, the host computer cannot be electrified, the storage battery 3 can be controlled through the power switch 7 at the moment, the electromagnet 16, the motor 13, the electromagnetic coil 21 and the cooling fan 4 are powered, operation is carried out, the avoiding space 201 is opened for maintenance, the power switch 7 is turned off after the maintenance is finished, and the avoiding space 201 is automatically plugged.

The action sequence of the electromagnet 16, the motor 13, the electromagnetic coil 21 and the cooling fan 4 depends on the external PLC program control, and the control mode of the PLC belongs to the prior art and is not described herein again.

Referring to fig. 1 and 2, further, a handle 6 is arranged on the outer side below the flexible shielding member 14, a buckle 5 is arranged on the outer side of the cover plate 200 corresponding to the handle 6, when the flexible shielding member is not supported by electric power, the handle 6 can be lifted up in a manual mode and clamped in the buckle 5, so that the avoidance space 201 can be manually opened, and when the maintenance is finished, the handle 6 is manually taken out to close the avoidance space 201.

Referring to fig. 8, further, a spiral spring 15 is disposed on the winding shaft 11, two ends of the spiral spring 15 are respectively and fixedly connected to the winding shaft 11 and the cover plate 200, the spiral spring 15 provides a torsion force for the rotation of the winding shaft 11, the torsion force is adapted to the gravity of the flexible shielding member 14 and the shielding shaft 12, and it is ensured that the flexible shielding member 14 can droop through the self-weight in a normal state, when the flexible shielding member 14 is lifted manually, the torsion force provided by the spiral spring 15 enables the winding shaft 11 to rotate, the rope is wound on the winding shaft 11, and when the handle 6 is prevented from being lifted manually, the sagging rope and the rising shielding shaft 12 are wound, so that the flexible shielding member 14 cannot normally operate.

Preferably, the flexible shielding element 14 can be a filter screen or filter cotton, which can filter dust and air; the cover plate 200 is made of plastic, is anti-static, wear-resistant, low in cost, chamfered at the edge, rounded and smooth, and is not easy to damage a human body.

The computer host case has a plurality of use modes:

in the computer assembling process, when accessories such as a main board need to be installed, the cover plate 200 can be integrally detached from the box body 100, or the avoiding space 201 is opened, and the accessories such as the main board are installed through the avoiding space 201, so that the computer assembling device has multiple selectivity and can be selected according to actual conditions.

Secondly, after the computer is assembled and normally used, the host computer is started, the heat radiation fan 4 is controlled to be electrified through an external PLC program, the electromagnet 16 is electrified and attracts the armature 161, the motor 13 is meshed with the winding shaft 11, the motor 13 is electrified and rotated to drive the winding shaft 11 to lift the shielding shaft 12 and upwards accommodate the flexible shielding piece 14, when the shielding shaft 12 at the bottommost part is lifted to the proximity switch 17, the magnetic sheet on the shielding shaft 12 at the bottommost part triggers the proximity switch 17, the proximity switch 17 controls the electromagnet 16 and the motor 13 to be powered off through the external PLC program, the electromagnetic coil 21 is electrified, the motor 13 is separated from the winding shaft 11, the motor 13 and the winding shaft 11 stop rotating, the telescopic rod 24 extends outwards, the shielding shaft 12 loses the lifting power, the shielding shaft 12 has a falling trend under the action of the flexible shielding piece 14 and a plurality of shielding shafts 12, the telescopic rod 24 extends outwards to block the falling of the shielding shaft 12, the shield shaft 12 is fixed to accommodate and fix the flexible shield 14. The cooling fan 4 is always in a blowing state, so that tiny dust in the host case is lifted and blown out, the temperature of accessories in the host case is reduced, and the dust is blown and cleaned every time the computer is started, so that the amount of the dust in the host case is very small when the computer is started every time, and other influences on users cannot be caused;

after the computer is used, the host is shut down, no power is input, all electrical components are reset, the electromagnet 16, the electromagnetic coil 21, the motor 13 and the cooling fan 4 are powered off, the telescopic rod 24 is retracted, the shielding shaft 12 falls freely under the action of gravity, the shielding space 201 is blocked, the box body 100 is sealed, and dust is prevented from entering the box body. The avoidance space 201 is automatically opened when the mobile terminal is started, and the avoidance space 201 is automatically closed when the mobile terminal is shut down, so that the whole process is automatic, artificial participation is reduced, and the mobile terminal is more convenient to use.

Thirdly, when the computer needs to be maintained, the host needs to be powered off, at the moment, the standby power supply storage battery 3 can be used for independently supplying power, the power switch 7 is turned on, the heat radiation fan 4 is controlled to be powered on through an external PLC program, the electromagnet 16 is powered on, the armature 161 is sucked, the motor 13 is meshed with the winding shaft 11, the motor 13 is powered on and rotates to drive the winding shaft 11 to lift the shielding shaft 12, the flexible shielding piece 14 is stored upwards, when the shielding shaft 12 at the bottommost part is lifted to the proximity switch 17, the magnetic sheet on the shielding shaft 12 at the bottommost part triggers the proximity switch 17, the proximity switch 17 controls the electromagnet 16 and the motor 13 to be powered off through the external PLC program, the electromagnetic coil 21 is powered on, the motor 13 is separated from the winding shaft 11, the motor 13 and the winding shaft 11 both stop rotating, the telescopic rod 24 extends outwards, the shielding shaft 12 loses lifting power, and the shielding shaft 12 is under the action of the self gravity of the flexible shielding piece 14 and the shielding shafts 12, when a falling trend occurs, the telescopic rod 24 extends outwards to block the falling of the shielding shaft 12, the shielding shaft 12 is fixed, the flexible shielding piece 14 is stored and fixed, and then cleaning or maintenance is carried out; after the maintenance is finished, the power switch 7 is turned off, all electrical components are reset, the electromagnet 16, the electromagnetic coil 21, the motor 13 and the cooling fan 4 are powered off, the telescopic rod 24 is retracted, the shielding shaft 12 freely falls under the action of gravity, and the shielding space 201 is blocked. Because the dust removal processing is carried out when the computer is started every time, when the computer needs to be maintained, the dust on the surfaces of the accessories in the box body 100 is less, and the computer can be directly maintained without cleaning.

When the computer needs to be maintained, and the storage battery 3 cannot provide electric power support for various reasons, the handle 6 can be lifted manually and clamped in the buckle 5, so that the avoidance space 201 is opened manually, and in the process of lifting the handle 6, the hoisting shaft 11 winds and accommodates a loose rope under the action of the volute spiral spring 15, so that the rope is prevented from being wound with the shielding shaft 12 and other components, and the flexible shielding piece 14 cannot normally act; when the maintenance is finished, the handle 6 is manually taken out of the buckle 5, the handle 6 is pulled down, the torsion of the spiral spring 15 is adapted to the gravity of the flexible shielding piece 14, and the flexible shielding piece 14 cannot be lifted under the independent action of the spiral spring 15, so that the avoiding space 201 is closed. Because the dust removal processing is carried out when the computer is started every time, when the computer needs to be maintained, the dust on the surfaces of the accessories in the box body 100 is less, and the computer can be directly maintained without cleaning.

In conclusion, the avoiding space and the plugging assembly are additionally arranged on the cover plate on one side of the box body, so that the avoiding space is opened and closed, and an operator can conveniently maintain and clean the avoiding space; the plugging component can automatically open or close the avoidance space when the computer is started or shut down, so that the automation of opening and closing the avoidance space is realized, the independent operation of an operator is not needed, and the convenience in use is improved; meanwhile, a heat dissipation fan for blowing air into the box body is additionally arranged, the heat dissipation effect is better, dust is cleaned while heat dissipation is achieved, long-term deposition of the dust is reduced, automatic air blowing and dust removal can be achieved when the computer is started every time, and the service life of the computer host is prolonged.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the 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.

The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A computer host case, comprising: the refrigerator comprises a box body and a cover plate, wherein one side of the box body is opened, and the cover plate is detachably connected with the opening side of the box body; an avoidance space and a plugging component are arranged in the middle of the cover plate, and the plugging component is used for plugging the avoidance space;

2. The computer host case of claim 1, wherein the lifting portion further comprises an electromagnet and an armature that are sleeved with each other, the electromagnet is fixedly connected with the cover plate, and the motor is fixedly connected with the armature.

3. The computer host case of claim 2, wherein the plugging assembly further comprises a proximity switch, the proximity switch is fixedly connected with the cover plate, and the proximity switch controls the power-on state of the motor and the electromagnet.

4. The computer host case of claim 1, wherein a friction disc is disposed on the rotating shaft of the motor, and the same friction disc is disposed at one end of the winding shaft corresponding to the friction disc.

5. The computer host case according to claim 1, wherein the cover plate has a sliding groove corresponding to the shielding shaft, and the shielding shaft is slidably connected to the sliding groove.

6. The computer host case of claim 1, wherein the cover plate is further fixedly provided with a heat dissipation fan, and the heat dissipation fan blows air towards the inside of the case body.

7. The host computer case of any one of claims 1-6, wherein the positioning portion further comprises: the electromagnetic coil comprises an electromagnetic coil and an iron shaft, wherein one end of the iron shaft is elastically connected with the cover plate, the other end of the iron shaft is fixedly connected with the telescopic rod, and the iron shaft is slidably connected inside the electromagnetic coil.

8. The chassis of claim 7, wherein a handle is disposed at an outer side of a lower portion of the flexible shielding member, the cover plate has a buckle corresponding to the handle, and the handle and the buckle can be clamped.

9. The computer host case according to claim 8, wherein a spiral spring is disposed on the winding shaft, and two ends of the spiral spring are respectively fixedly connected to the winding shaft and the cover plate.

10. The computer host case of any one of claims 1-6 and 8-9, wherein the plugging assembly further comprises a battery for providing a backup power, and the cover plate is provided with a power switch for electrically controlling the power supply of the battery.