CN113867503A

CN113867503A - Heat abstractor for network terminal

Info

Publication number: CN113867503A
Application number: CN202111063405.6A
Authority: CN
Inventors: 周飞; 李小志; 白延虎
Original assignee: Wenzhou University
Current assignee: Wenzhou University
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2021-12-31
Anticipated expiration: 2041-09-10
Also published as: CN113867503B

Abstract

The invention discloses a heat dissipation device for a network terminal, which comprises a case body and a frame arranged on the side edge of the case body, wherein sliding frames are arranged on the inner sides of the top and the bottom of the case body, a moving part is arranged between the two sliding frames in a sliding manner, the moving part consists of a second moving plate and a first moving plate and a third moving plate which are arranged on the two sides of the second moving plate in a sliding manner, and the heat dissipation device for the network terminal is different from the prior art, so that when a user uses a computer to process work in summer, the moving part can move in the sliding frames by moving the convex plates, is in a combined state when the sliding frames are positioned at one end far away from the frame, can be unfolded at the other end so as to dissipate heat inside the case body, can discharge heat inside the case body through a heat dissipation part, and can be used according to the work requirement of the case body, and a mounting frame and a case fan are additionally arranged in a mounting hole on the third moving plate.

Description

Heat abstractor for network terminal

Technical Field

The invention relates to the technical field of heat dissipation equipment of network terminals, in particular to a heat dissipation device for a network terminal.

Background

The network terminal device refers to a physical entity connected in a network, and the network terminal device has a variety of types, such as a computer, a hub, a switch, a bridge, a router, a gateway, and the like, wherein the computer is commonly called a computer, is a modern electronic computing machine for high-speed computing, can perform numerical computation and logic computation, has a memory function, is a modern intelligent electronic device capable of operating according to a program and automatically processing mass data at high speed, and consists of a hardware system and a software system.

Especially, the application in the fields of internet, communication, multimedia and the like has achieved good results, so that computers are almost an essential part in the existing work of people, and when the computers operate for a long time, a large amount of heat can be generated in a case, therefore, most of the existing cases adopt fans to radiate the inside so as to ensure the normal operation of the computers.

However, in practical use, it is found that in summer, even if a fan is additionally installed in a case to improve the internal heat dissipation effect, for users who have drawing, analysis or large-scale software to process a large amount of data, the case still contains a large amount of heat, and the computer can be jammed in operation in severe cases, for this reason, some users can dismantle the case side plate in summer to further improve the heat dissipation effect, but most of the existing side plates are installed on one side of the case through screws, the size of the bolts used on the hand rings is generally small, which not only increases the difficulty of screwing the screws, but also the screws are easy to fall off in the process of screwing the screws, so that most of users can hardly install the side plate on one side of the case after the use is completed after the side plate is dismantled, and the case is exposed outside for a long time, which not only causes the top of the storage battery protective cover in the case to be full of dust, in addition, there is a possibility that water may be inadvertently sprayed on components such as an internal main board and a display card, and for this reason, a heat dissipation device for a network terminal is proposed.

Disclosure of Invention

The present invention is directed to a heat dissipation device for a network terminal, so as to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a heat sink for network terminal comprises a case body and a frame arranged at the side of the case body, sliding frames are arranged on the inner sides of the top and the bottom of the case body, a moving part is arranged between the two sliding frames in a sliding manner, the moving part is composed of a second moving plate, a first moving plate and a third moving plate which are arranged at two sides of the second moving plate in a sliding way, so that when a user uses a computer to process work in summer, the moving part can move in the sliding frame by moving the convex plate, and the moving part is in a combined state when the sliding frame is positioned at one end far away from the frame, the other end of the heat dissipation piece can be unfolded to dissipate the heat inside the case body, the heat inside the case body can be discharged through the heat dissipation piece, and according to the working requirement of the case body, a mounting frame and a case fan can be additionally arranged in the mounting hole on the third moving plate.

Preferably, the carriage comprises arc slide rail and two linear slide rails that set up at arc slide rail both ends, the linear slide rail both ends all are provided with the limiting plate, third movable plate top and bottom all are provided with the gyro wheel, the gyro wheel slides respectively and sets up on the carriage, with when removing the position merge state, accomodate the removal portion to machine case body inside.

Preferably, the cleaning mechanism comprises a connecting plate arranged on the convex plate, a shifting chute for shifting the connecting plate is formed in the first moving plate, a rack is arranged at the end of the connecting plate, a positioning frame is arranged on one side, close to the rack, of the first moving plate, and a main shaft with the end rotatably arranged on the first moving plate is rotatably arranged on the positioning frame;

the main shaft is provided with a gear at one end close to the rack, and the other end is provided with an ash removal part, so that dust in the case body can be collected through the ash removal part.

Preferably, the ash removing part comprises a supporting plate arranged at one end, far away from the gear, of the main shaft, a cleaning layer is arranged on the supporting plate, an ash deposition box is further arranged in the case body in a sliding mode, and a lifting handle is arranged at the end portion of the ash deposition box.

Preferably, the heat dissipation piece comprises a mounting rack mounted on a third movable plate, a case fan is mounted on the mounting rack, a plurality of groups of mounting holes for mounting the mounting rack are formed in the third movable plate, each group of mounting holes are formed in the third movable plate, and the mounting rack is mounted in a group of mounting holes in the third movable plate through screws.

Preferably, the compensation part comprises an auxiliary plate rotatably arranged on the frame, rotating shafts are arranged at the top and the bottom of the auxiliary plate respectively, torsion springs are sleeved outside the rotating shafts, and two ends of each torsion spring are connected with the auxiliary plate and the frame respectively;

the auxiliary plate is also provided with a structure the same as that of the convex plate so as to ensure auxiliary rotation.

Preferably, case body bottom inboard still is provided with the setting element, the setting element is including setting up the mount in case body bottom inboard, the mount top is provided with fixed pipe, it is provided with the locating lever to slide in the fixed pipe, set up the constant head tank that is used for the locating lever block on the third movable plate, still be provided with the spring between locating lever and the fixed pipe.

Preferably, the first moving plate, the second moving plate and the third moving plate are made of plastic materials, and magnetic plates matched with each other are arranged on the first moving plate, the second moving plate and the third moving plate.

Preferably, the top and the bottom of the frame are both provided with a protruding plate, and the protruding plate can be connected with the first moving plate through screws.

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

1. the invention enables the moving part to move in the sliding frame by moving the convex plate when a user uses a computer to process work in summer, and the moving part is in a combined state when being positioned at one end of the sliding frame far away from the frame and can be unfolded when being positioned at the other end of the sliding frame, so that the heat dissipation of the interior of the case body is realized.

2. According to the invention, the top of the storage battery protective cover in the case body can be cleaned in the unfolding process of the moving part through the cleaning mechanism.

3. According to the invention, heat in the case body can be discharged through the heat radiating piece, and the mounting frame and the case fan can be additionally arranged in the mounting hole on the third moving plate according to the working requirement of the case body.

4. According to the invention, the protruding plates arranged at the top and the bottom of the frame can be used for positioning the first moving plate, and the positioning of the positioning piece for positioning the third moving plate is matched, so that people can avoid the sliding of the moving part on the sliding frame when transferring the case body, and meanwhile, the relative sliding among the first moving plate, the second moving plate and the third moving plate is avoided.

Drawings

FIG. 1 is a schematic diagram of a conventional case fan according to the present invention dissipating heat from internal components;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the present invention in partial cross-section of FIG. 2;

FIG. 4 is a schematic view of another embodiment of the present invention;

FIG. 5 is a schematic view of another embodiment of the present invention;

FIG. 6 is a schematic view of the combination of the sliding frame and the third moving plate according to the present invention;

FIG. 7 is a schematic view of the present invention in partial cross-section of FIG. 5;

FIG. 8 is a schematic view of the invention shown in FIG. 7, partially in cross-section;

FIG. 9 is a schematic view of the assembly of the moving part, the cleaning mechanism and the heat sink of the present invention;

FIG. 10 is a schematic view of the structure of FIG. 9 in another orientation according to the present invention;

FIG. 11 is a schematic structural diagram of the present invention after installing multiple sets of fans in the chassis;

FIG. 12 is a schematic view of a compensator according to the present invention;

FIG. 13 is a schematic view of a partially sectioned structure of a fixing tube according to the present invention.

In the figure: 1-a cabinet body; 2-a frame; 21-a protruding plate; 3-sliding rack; 31-arc slide rail; 32-linear slide rail; 33-a limiting plate; 34-a roller; 4-a moving part; 41-a first moving plate; 42-a second moving plate; 43-a third moving plate; 44-a convex plate; 45-magnetic plate; 5-a cleaning mechanism; 51-a guide frame; 52-a connecting plate; 53-a displacement chute; 54-a rack; 55-a positioning frame; 56-main shaft; 57-gear; 6-ash removal part; 61-a support plate; 62-a cleaning layer; 63-ash deposition box; 64-a handle; 7-a heat sink; 71-a mounting frame; 72-cabinet fan; 73-mounting holes; 8-a compensator; 81-an auxiliary plate; 82-a rotating shaft; 83-torsion spring; 9-a positioning member; 91-a fixing frame; 92-a stationary tube; 93-a positioning rod; 94-positioning grooves; 95-spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-13, the present invention provides a technical solution: a heat dissipation device for a network terminal comprises a case body 1 and a frame 2 arranged on the side of the case body 1,

as shown in fig. 2, the top and the bottom of the frame 2 are provided with a protruding plate 21, the protruding plate 21 is disposed at one end of the frame 2 far from the compensation element 8, and the protruding plate 21 and the first moving plate 41 are provided with through holes adapted to each other, not shown in the figure, so that the protruding plate 21 can be connected with the first moving plate 41 through screws, the case body 1 and the frame 2 are both of the conventional structure, the bottom of the inner side of the case body 1 is a battery protection cover, and the case body 1, the frame 2 and the side structure composed of the cleaning mechanism 5, the first moving plate 41, the second moving plate 42, the third moving plate 43 and the auxiliary plate 81 are sequentially arranged from left to right in fig. 2,

as shown in fig. 3, the case body 1, the auxiliary plate 81, the case fan 72, the fixing frame 91 and the linear slide rail 32 are arranged in sequence from top to bottom,

as shown in fig. 4, the case body 1, the linear slide rail 32 and the auxiliary plate 81 are arranged in sequence from top to bottom;

as shown in fig. 5, the cabinet body 1, the frame 2 and the side structure composed of the cleaning mechanism 5, the first moving plate 41, the second moving plate 42, the third moving plate 43 and the auxiliary plate 81 are arranged in sequence from left to right, and at this time, the moving part 4 composed of the first moving plate 41, the second moving plate 42 and the third moving plate 43 is in an unfolded state, as shown in fig. 6, the sliding rack 3, the third moving plate 43 and the rollers 34 at the top and the bottom and the sliding racks 3 are arranged in sequence from top to bottom, wherein the rollers 34 at the top and the bottom are both provided with two rollers to ensure the stable adjustment of the third moving plate 43, the sliding racks 3 are arranged at the inner sides of the top and the bottom of the cabinet body 1, the moving part 4 is arranged between the two sliding racks 3 in a sliding manner, the moving part 4 is composed of the second moving plate 42 and the first moving plate 41 and the third moving plate 43 arranged at the two sides of the second moving plate 42 in a sliding manner, the first moving plate 41, the second moving plate 42 and the third moving plate 43 are all made of plastic materials, magnetic plates 45 matched with each other are arranged on the first moving plate 41, the second moving plate 42 and the third moving plate 43, a convex plate 44 is arranged on one side of the first moving plate 41 far away from the third moving plate 43, the sliding frame 3 is composed of an arc-shaped slide rail 31 and two linear slide rails 32 arranged at two ends of the arc-shaped slide rail 31, two ends of the linear slide rails 32 are respectively provided with a limit plate 33, the top and the bottom of the third moving plate 43 are respectively provided with a roller 34, the rollers 34 are respectively arranged on the sliding frame 3 in a sliding way, so that when the moving part 4 is in a combined state, the moving part 4 is accommodated in the machine box body 1, the moving part 4 can move in the sliding frame 3 by moving the convex plate 44, and when the moving part 4 is positioned at one end of the sliding frame 3 far away from the frame 2, the moving part 4 can be unfolded when the other end is in a combined state, so as to realize the heat dissipation to the inside of the case body 1.

As shown in fig. 7 and 8, the cleaning mechanism 5 includes a connection plate 52, a displacement chute 53, a rack 54, a positioning rack 55, a main shaft 56, and a dust removing member 6 composed of a support plate 61, a cleaning layer 62, a dust box 63, and a handle 64, wherein the cleaning layer 62 can be made of a brush, but not limited thereto, other materials with cleaning function,

as shown in fig. 9, the cleaning device comprises two guide frames 51 arranged on the first moving plate 41 and a convex plate 44 slidably arranged between the two guide frames 51, wherein one side of the convex plate 44, which is far away from the auxiliary plate 81, is of an inclined plane structure to ensure that a finger can be buckled, so as to facilitate pulling back, a cleaning mechanism 5 is arranged on the first moving plate 41, the cleaning mechanism 5 is connected with the convex plate 44, the guide frames 51 are arranged on the first moving plate 41, two guide frames 51 are arranged on the guide frames 51, the convex plate 44 is slidably arranged between the guide frames 51, the cleaning mechanism 5 comprises a connecting plate 52 arranged on the convex plate 44, a shifting chute 53 for shifting the connecting plate 52 is arranged on the first moving plate 41, a rack 54 is arranged at the end of the connecting plate 52, a positioning frame 55 is arranged on one side of the first moving plate 41, and a main shaft 56 with an end rotatably arranged on the first moving plate 41 is rotatably arranged on the positioning frame 55;

the main shaft 56 is provided with a gear 57 at one end close to the rack 54, the other end of the main shaft is provided with an ash removing part 6, the ash removing part 6 comprises a support plate 61 arranged at one end of the main shaft 56 far away from the gear 57, a cleaning layer 62 is arranged on the support plate 61, an ash deposition box 63 is arranged in the case body 1 in a sliding manner, and a handle 64 is arranged at the end part of the ash deposition box 63.

As shown in fig. 1, which is a schematic view of a chassis fan 72 disposed in a chassis body 1, two chassis fans 72 on the left side are existing chassis fans 72, and perform heat dissipation for internal components such as a motherboard and a graphics card, arrows indicate heat dissipation directions after heat dissipation, it is seen that both the two chassis fans 72 have partial heat to be dissipated to the right side, and the right side is generally a switch and light structure, and mostly no heat dissipation holes are added, and if the heat is dissipated from the heat dissipation holes on the left side, the heat is required to pass through the components such as the motherboard and the graphics card again, so the heat dissipation effect to the right side is poor, after the chassis fan 72 on the right side is added, when a moving portion 4 is in a state shown in the figure, the heat inside can be directly dissipated, and the heat dissipation effect is better,

a single chassis fan 72 is mounted on the third moving plate 43 as shown in figure 10,

as shown in fig. 11, three chassis fans 72 are mounted on the third moving plate 43, wherein the chassis fans 72 can be dismounted and mounted in the state shown in fig. 1, the number of the mounted chassis fans 72 can be adjusted in time according to the specific use condition of the computer, if two chassis fans 72 are mounted, the chassis fans can be mounted in two sets of mounting holes 73 at the top and the bottom, a heat dissipation member 7 is disposed on the third moving plate 43, the heat dissipation member 7 includes a mounting bracket 71 mounted on the third moving plate 43, the chassis fans 72 are mounted on the mounting bracket 71, multiple sets of mounting holes 73 for mounting the mounting bracket 71 are disposed on the third moving plate 43, each set of mounting holes 73 is plural, and the mounting bracket 71 is mounted in one set of mounting holes 73 on the third moving plate 43 through screws.

As shown in fig. 12, the device further comprises a compensation element 8, which comprises a convex plate 44, an auxiliary plate 81, a rotating shaft 82 and a torsion spring 83 in sequence from left to right, the compensation element 8 comprises the auxiliary plate 81 rotatably arranged on the frame 2, the rotating shaft 82 is arranged at the top and the bottom of the auxiliary plate 81, the torsion spring 83 is sleeved outside the rotating shaft 82, and two ends of the torsion spring 83 are respectively connected with the auxiliary plate 81 and the frame 2;

the auxiliary plate 81 is also provided with a structure similar to that of the convex plate 44 so that the auxiliary plate 81 can be rotated for the convenience of the user.

As shown in fig. 13, the auxiliary plate 81, the third moving plate 43, the arc-shaped slide rail 31, the linear slide rail 32 and the positioning member 9 composed of the fixed frame 91, the fixed tube 92, the positioning rod 93 and the spring 95 are arranged in sequence from left to right,

as shown in fig. 10, a positioning groove 94 matched with the positioning rod 93 is formed in the bottom of the third moving plate 43, a positioning member 9 is further arranged on the inner side of the bottom of the chassis body 1, the positioning member 9 includes a fixing frame 91 arranged on the inner side of the bottom of the chassis body 1, a fixing tube 92 is arranged at the top of the fixing frame 91, the positioning rod 93 is slidably arranged in the fixing tube 92, the positioning groove 94 used for clamping the positioning rod 93 is formed in the third moving plate 43, and a spring 95 is further arranged between the positioning rod 93 and the fixing tube 92.

When the worker is ready to use the computer, the convex plate 44 on the first moving plate 41 is pulled with one hand, and the elastic positioning action of the spring 95 and the positioning rod 93 on the third moving plate 43, so that the friction force generated during the displacement of the first moving plate 41 does not drive the third moving plate 43 to displace, to switch the moving part 4 from the unfolded state to the folded state, and after the switching is completed, the other hand pulls the convex plate 44 on the auxiliary plate 81, the auxiliary plate 81 is rotated, and after the rotation is completed, the convex plate 44 on the first moving plate 41 is continuously pulled, and when the pulling force is greater than the elastic force of the spring 95, the two rollers 34 at the top and bottom of the third moving plate 43 can be made to slide on the carriage 3, the movable part 4 is rotated to one side inside the case body 1, and one side of the case body 1 close to the frame 2 is opened, so that the heat dissipation effect inside the case body 1 is improved;

after the moving part 4 finishes rotating, the auxiliary plate 81 is loosened, the auxiliary plate 81 can be reset under the action of the torsion spring 83, at this time, the chassis fan 72 on the third moving plate 43 can be started, and heat exhausted to the side by the rest fans in the chassis body 1 is exhausted, see the attached drawing 1 of the specification, and a plurality of groups of mounting holes 73 for mounting the mounting rack 71 are reserved on the third moving plate 43, so as to meet the subsequent mounting requirements of the chassis fan 72 of a user;

after the staff closes the computer, the steps are repeated in the reverse direction: the auxiliary plate 81 is firstly opened, the moving part 4 can be integrally pulled out due to the magnetic plates 45 arranged on the first moving plate 41, the second moving plate 42 and the third moving plate 43, when the moving part 4 is parallel to the frame 2, the auxiliary plate 81 is loosened, then the convex plate 44 is pushed reversely, and under the limiting effect of the limiting plate 33 at the end part of the linear slide rail 32 on the roller 34, the moving part 4 can be unfolded;

in the process of unfolding the moving part 4, the cleaning layer 62 cleans the inside of the chassis body 1, and the specific cleaning steps are as follows:

in the process of switching the moving part 4 from the unfolded state to the folded state, pulling the convex plate 44 on the first moving plate 41 drives the connecting plate 52 to move in the moving chute, the connecting plate 52 drives the rack 54 to move, and further drives the gear 57 engaged with the rack 54 to rotate through the rack 54, and the rotation of the gear 57 synchronously drives the cleaning layer 62 to rotate, so that when the first moving plate 41 moves towards the third moving plate 43, dust on the top of the storage battery protective cover in the case body 1 cannot be cleaned;

in addition, in the process of switching the combined state of the moving part 4 into the unfolded state, the convex plate 44 on the first moving plate 41 needs to be pushed forward in the reverse direction, so that in the moving process of the convex plate 44, the rack 54 can be driven by the connecting plate 52 to shift in the reverse direction, and the cleaning layer 62 is driven to return to the initial state, so that the top of the storage battery protective cover in the case body 1 can be cleaned, when the top of the storage battery protective cover moves to the end part, dust can be intensively sent into the dust box 63, the dust box 63 is dumped through the lifting handle 64 according to the using condition, and in addition, the position of the cleaning mechanism 5 can be adjusted according to the height of the storage battery protective cover, so that the storage battery protective cover can be cleaned normally;

when the case body 1 needs to be transported, the first moving plate 41 can be mounted on the protruding plate 21 by screws when the moving part 4 is in the unfolded state, and meanwhile, the third moving plate 43 is positioned under the matching of the positioning rod 93 and the positioning groove 94 in the positioning part 9, so that the sliding of the moving part 4 on the sliding frame 3 is avoided when the case body 1 is transported, meanwhile, the relative sliding among the first moving plate 41, the second moving plate 42 and the third moving plate 43 is avoided, and the safety of the case body 1 in the transporting process is ensured.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A heat dissipation device for a network terminal comprises a case body (1) and a frame (2) arranged on the side edge of the case body (1),

the method is characterized in that: the heat dissipation cabinet is characterized in that sliding frames (3) are arranged on the inner sides of the top and the bottom of the cabinet body (1), a moving part (4) is arranged between the two sliding frames (3) in a sliding mode, the moving part (4) is composed of a second moving plate (42), a first moving plate (41) and a third moving plate (43) which are arranged on two sides of the second moving plate (42) in a sliding mode, a convex plate (44) is arranged on one side, far away from the third moving plate (43), of the first moving plate (41), the moving part (4) can move in the sliding frames (3) by moving the convex plate (44), the moving part (4) is in a combined state when being located at one end, far away from the frame (2), of the sliding frame (3), and can be unfolded when being located at the other end, so that heat dissipation inside the cabinet body (1) is achieved;

the cleaning mechanism (5) is arranged on the first moving plate (41), the cleaning mechanism (5) is connected with the convex plates (44), guide frames (51) are arranged on the first moving plate (41), two guide frames (51) are arranged, and the convex plates (44) are arranged between the guide frames (51) in a sliding mode so as to drive the cleaning mechanism (5) to clean the interior of the case body (1) when the convex plates (44) move;

the third moving plate (43) is provided with a heat radiating piece (7), and heat inside the case body (1) can be exhausted through the heat radiating piece (7).

2. The heat dissipation device for the network terminal according to claim 1, wherein: carriage (3) are constituteed by arc slide rail (31) and two linear slide rail (32) that set up at arc slide rail (31) both ends, linear slide rail (32) both ends all are provided with limiting plate (33), third movable plate (43) top and bottom all are provided with gyro wheel (34), gyro wheel (34) slide respectively and set up on carriage (3), with during removal portion (4) position merge state, accomodate removal portion (4) to quick-witted case body (1) inside.

3. The heat dissipation device for the network terminal according to claim 2, wherein: the cleaning mechanism (5) comprises a connecting plate (52) arranged on a convex plate (44), a shifting chute (53) used for shifting the connecting plate (52) is formed in the first moving plate (41), a rack (54) is arranged at the end part of the connecting plate (52), a positioning frame (55) is arranged on one side, close to the rack (54), of the first moving plate (41), and a main shaft (56) with the end part rotatably arranged on the first moving plate (41) is rotatably arranged on the positioning frame (55);

one end of the main shaft (56), which is close to the rack (54), is provided with a gear (57), the other end of the main shaft is provided with an ash removal part (6), and dust in the case body (1) can be collected through the ash removal part (6).

4. The heat dissipation device for the network terminal according to claim 3, wherein: the ash removing part (6) comprises a supporting plate (61) arranged at one end, far away from the gear (57), of the main shaft (56), a cleaning layer (62) is arranged on the supporting plate (61), an ash deposition box (63) is further arranged in the case body (1) in a sliding mode, and a lifting handle (64) is arranged at the end portion of the ash deposition box (63).

5. The heat dissipation device for the network terminal according to claim 4, wherein: radiating piece (7) are including installing mounting bracket (71) on third movable plate (43), install quick-witted case fan (72) on mounting bracket (71), set up multiunit mounting hole (73) that are used for mounting bracket (71) to install on third movable plate (43), every group mounting hole (73) all are provided with a plurality ofly, mounting bracket (71) are through the screw installation in a set of mounting hole (73) on third movable plate (43).

6. The heat dissipation device for the network terminal according to claim 5, wherein: the portable electronic device is characterized by further comprising a compensating piece (8), wherein the compensating piece (8) is rotatably arranged on the side edge of the case body (1) to ensure that the moving part (4) can be switched between an unfolding state and a folding state, the compensating piece (8) can fill a gap on the side edge of the case body (1) when the moving part (4) is in a display state, and the protection of the interior of the case body (1) is ensured, the compensating piece (8) comprises an auxiliary plate (81) rotatably arranged on the frame (2), rotating shafts (82) are arranged at the top and the bottom of the auxiliary plate (81), torsion springs (83) are sleeved on the outer sides of the rotating shafts (82), and two ends of each torsion spring (83) are respectively connected with the auxiliary plate (81) and the frame (2);

the auxiliary plate (81) is also provided with a structure the same as that of the convex plate (44) so as to ensure the rotation of the auxiliary plate (81).

7. The heat dissipation device for the network terminal according to claim 6, wherein: case body (1) bottom inboard still is provided with setting element (9), setting element (9) are including setting up mount (91) at case body (1) bottom inboard, mount (91) top is provided with fixed pipe (92), it is provided with locating lever (93) to slide in fixed pipe (92), set up constant head tank (94) that are used for locating lever (93) block on third movable plate (43), still be provided with spring (95) between locating lever (93) and fixed pipe (92).

8. The heat dissipation device for the network terminal according to claim 7, wherein: the first moving plate (41), the second moving plate (42) and the third moving plate (43) are all made of plastic materials, and magnetic plates (45) matched with each other are arranged on the first moving plate (41), the second moving plate (42) and the third moving plate (43).

9. The heat dissipation device for a network terminal according to claim 8, wherein: the frame (2) top and bottom all are provided with protruding board (21), protruding board (21) can be connected with first movable plate (41) through the screw.