阅读说明：本技术 一种智能电视机顶盒使用过程中用自动清灰装置 (Automatic ash removal device for smart television set top box in use ) 是由 方德初 于 2021-06-04 设计创作，主要内容包括：本发明涉及计算机辅助设备相关技术领域,且公开了一种智能电视机顶盒使用过程中用自动清灰装置,包括本体；通过延时组件对清灰机构的工作间隔进行智能控制,然后通过转轴转动带动链轮转动,链轮转动带动链条转动,链条转动带动移动杆移动,移动杆移动带动固定壳移动,固定壳移动带动清灰板移动,清灰板在移动的过程中,通过转动轴转动带动齿轮转动,齿轮转动带动压板向下移动,此时受挤压的气囊开始恢复并产生吸力,在通气槽的作用下,清灰板可以一边移动一边对电视机顶盒表面的灰尘进行清理,从而避免了机顶盒的外侧面积聚有大量的灰尘导致会对机顶盒的散热产生阻碍的情况发生,使得电视机机顶盒的实用性大大提高。(The invention relates to the technical field related to computer-aided equipment, and discloses an automatic ash removal device for a smart television set top box in a using process, which comprises a body; carry out intelligent control to the work interval of deashing mechanism through the time delay subassembly, then rotate through the pivot and drive the sprocket rotation, the sprocket rotates and drives the chain rotation, the chain rotates and drives the carriage release lever removal, the carriage release lever removal drives the set casing removal, the set casing removes and drives the deashing board removal, the deashing board is at the in-process that removes, it rotates and drives the gear rotation to rotate through the axis of rotation, gear rotation drives the platen downstream, receive extruded gasbag at this moment and begin to resume and produce suction, under the effect of air duct, the deashing board can remove while clearing up the dust on TV set-top box surface, thereby the lateral surface of having avoided the STB to gather and to have a large amount of dusts to lead to the condition emergence that can produce the hindrance to the heat dissipation of STB, make the practicality of TV set-top box improve greatly.)

1. The utility model provides an automatic ash removal device is used to smart TV STB in-use, includes body (1), its characterized in that: the dust cleaning machine is characterized in that an external power supply (2) is fixedly connected to the interior of the body (1), a control center (3) is fixedly connected to the interior of the body (1), and a dust cleaning mechanism (4) is movably connected to the interior of the body (1).

2. The automatic ash removal device for the smart television set top box in the using process according to claim 1, wherein the automatic ash removal device comprises: the ash cleaning mechanism (4) comprises a rotating shaft (401), a chain wheel (402), a chain (403), a connecting rod (404), a fixed shell (405), an ash cleaning plate (406), an extrusion assembly (407), a partition plate (408), an air bag (409), an air groove (410) and a time delay assembly (411), wherein the inner side surface of the body (1) is rotatably connected with the rotating shaft (401), the outer side surface of the rotating shaft (401) is fixedly connected with the chain wheel (402), the outer side surface of the chain wheel (402) is meshed with the chain (403), the outer side surface of the chain (403) is rotatably connected with the connecting rod (404), the outer side surface of the connecting rod (404) is movably connected with the fixed shell (405), the top of the fixed shell (405) is movably connected with the ash cleaning plate (406), the inner side surface of the ash cleaning plate (406) is movably connected with the extrusion assembly (407), the inner side surface of the ash cleaning plate (406) is fixedly connected with the air bag (409), and the outer part of the air bag (409) is movably connected with the partition plate (408), the inner side surface of the ash cleaning plate (406) is provided with an air duct (410), and the interior of the body (1) is movably connected with a time delay assembly (411).

3. The automatic ash removal device for the smart television set top box in the using process according to claim 2, wherein the automatic ash removal device comprises: the extrusion assembly (407) comprises a rotating shaft (4071), a gear (4072), teeth (4073) and a pressing plate (4074), the rotating shaft (4071) is connected to the inner side face of the ash removing plate (406) in a rotating mode, the gear (4072) is fixedly connected to the outer side face of the rotating shaft (4071), the pressing plate (4074) is connected to the inner side face of the ash removing plate (406) in a sliding mode, the teeth (4073) are arranged on the outer side face of the pressing plate (4074), and the positions and specifications of the teeth (4073) are matched with the gear (4072).

4. The automatic ash removal device for the smart television set top box in the using process according to claim 2, wherein the automatic ash removal device comprises: delay subassembly (411) include dwang (4111), heterotypic gear (4112), fluted disc (4113), pin (4114), feeler lever one (4115), the medial surface of body (1) rotates and is connected with dwang (4111), the lateral surface fixedly connected with heterotypic gear (4112) of dwang (4111), the lateral surface meshing of heterotypic gear (4112) has fluted disc (4113), fluted disc (4113) rotates with the medial surface of body (1) and is connected, the lateral surface fixedly connected with pin (4114) of fluted disc (4113), the medial surface fixedly connected with feeler lever one (4115) of body (1), the position of feeler lever one (4115), the specification all with pin (4114) phase-match.

5. The automatic ash removal device for the smart television set top box in the using process according to claim 2, wherein the automatic ash removal device comprises: the outer side surface of the connecting rod (404) is movably sleeved with a connecting pipe, the connecting pipe is fixedly connected with a fixed shell (405), the fixed shell (405) and an ash cleaning plate (406) are both in sliding connection with the inner side surface of the body (1), the inner side surface of the body (1) is fixedly connected with a second contact rod, the positions and the specifications of the second contact rod are both matched with the connecting pipe, the inner side surface of the ash cleaning plate (406) is rotatably connected with balls, the number of the clapboards (408) is two, one clapboard (408) is rotatably connected with the inner side surface of the air bag (409) and is matched with the position and the specification of the vent groove (410), the vent groove (410) is communicated with the air bag (409), the other clapboard (408) is rotatably connected with the outer side surface of the air bag (409), the outer side surface of the air bag (409) is provided with vent holes, the position and the specification of the other clapboard (408) are both matched with the vent holes, the outer side surface of the clapboard (408) is fixedly connected with a volute, the scroll spring is fixedly connected with the inner side surface of the ash cleaning plate (406), and the inner side surface of the ash cleaning plate (406) is fixedly connected with the filter plate.

6. The automatic ash removal device for the smart television set top box in the using process according to claim 2, wherein the automatic ash removal device comprises: the inside swing joint of stationary housing (405) has receiving mechanism (5).

7. The automatic ash removal device for the smart television set top box in the using process according to claim 6, wherein the automatic ash removal device comprises: the storage mechanism (5) comprises a rotating rod (501), a wire wheel (502), a wire routing rod (503), a sliding block (504), a linkage rod (505), a guide rod (506), a connecting plate (507) and a pull rope (508), wherein the rotating rod (501) is connected to the inner side surface of the fixing shell (405) in a rotating mode, the wire wheel (502) is fixedly connected to the outer side surface of the rotating rod (501), the pull rope (508) is wound on the outer side surface of the wire wheel (502), the sliding block (504) is fixedly connected to the outer side surface of the pull rope (508), the linkage rod (505) is connected to the outer side surface of the sliding block (504) in a rotating mode, the connecting plate (507) is connected to the outer side surface of the linkage rod (505) in a rotating mode, the guide rod (506) is fixedly connected to the inner side surface of the fixing shell (405), and the wire routing rod (503) is fixedly connected to the inner side surface of the fixing shell (405).

8. The automatic ash removal device for the smart television set top box in the using process according to claim 2 or 7, wherein the automatic ash removal device comprises: the pull rope (508) is in sliding connection with the outer side face of the wiring rod (503), the sliding block (504) is in sliding connection with the outer side face of the guide rod (506), and the connecting plate (507) is fixedly connected with the ash cleaning plate (406).

Technical Field

The invention relates to the technical field of computer-aided equipment, in particular to an automatic ash removal device for an intelligent television set top box in the using process.

Background

The computer-aided equipment comprises network equipment, office equipment, digital equipment, video equipment and the like, wherein the television set top box belongs to one of the video equipment. The television set-top box is similar to a box in appearance, comprises a signal input port, a video decoding and video processing circuit, an audio switching and processing circuit, a single chip microcomputer control circuit, a memory circuit, a character superposition circuit, a video and audio output port, a remote control signal receiver, a control key and the like, is an external television receiving box, can not occupy IRQ (middle end), can not start a host, PLUG & PLAY (PLUG and PLAY), and does not need to install a driving program, so the television set-top box is very convenient to use. When the television set top box is used, the electronic elements inside the television set top box can emit a large amount of heat, after the television set top box is used for a long time, a large amount of dust can be accumulated on the outer surface of the television set top box, the accumulation of the dust can obstruct the heat dissipation of the television set top box, if a user does not clean the dust for a long time, a large amount of heat is filled in the television set top box, the electronic elements inside the television set top box and some wires can be damaged, and the service life of the television set top box can be shortened.

Therefore, in order to solve the problems, an automatic dust cleaning device is needed to be used for solving the problems in the use process of the smart television set top box.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the automatic dust cleaning device for the smart television set top box in the using process, which has the advantages of automatically cleaning dust on the surface of the television set top box and not influencing the aesthetic property of the set top box, and solves the problem that the heat dissipation effect of the set top box is influenced by a large amount of dust accumulated on the outer surface of the television set top box.

(II) technical scheme

In order to realize the aim of automatically cleaning dust on the surface of the television set top box without influencing the aesthetic property of the set top box, the invention provides the following technical scheme: the utility model provides an automatic ash removal device is used in smart TV STB use, includes the body, the inside fixedly connected with external power source of body, the inside fixedly connected with control maincenter of body, external power source and control maincenter electricity are connected, and the inside swing joint of body has deashing mechanism.

Preferably, the deashing mechanism includes the pivot, the sprocket, the chain, the connecting rod, the set casing, the deashing board, the extrusion subassembly, the baffle, the gasbag, the air channel, the time delay subassembly, the medial surface of body rotates and is connected with the pivot, the inside fixedly connected with motor of body one, motor one and pivot fixed connection, motor one is connected with the external power electricity, the lateral surface fixedly connected with sprocket of pivot, the lateral surface meshing of sprocket has the chain, the lateral surface of chain rotates and is connected with the connecting rod, the lateral surface swing joint of connecting rod has the set casing, the top swing joint of set casing has the deashing board, the medial surface swing joint of deashing board has the extrusion subassembly, the medial surface fixedly connected with gasbag of deashing board, the outside swing joint of gasbag has the baffle, the air channel has been seted up to the medial surface of deashing board, the inside swing joint of body has the time delay subassembly.

Preferably, the extrusion subassembly includes axis of rotation, gear, tooth, clamp plate, the medial surface of deashing board rotates and is connected with the axis of rotation, the inside fixedly connected with motor two of deashing board, motor two and axis of rotation fixed connection, motor two is connected with the external power supply electricity, the lateral surface fixedly connected with gear of axis of rotation, the medial surface sliding connection of deashing board has the clamp plate, the lateral surface of clamp plate is provided with the tooth, the position of tooth, the specification all with the gear phase-match, can extrude the gasbag and make the gasbag produce suction and absorb the clearance to the dust.

Preferably, the time delay subassembly includes dwang, abnormal shape gear, fluted disc, pin, feeler lever one, and the medial surface of body rotates and is connected with the dwang, and the lateral surface fixedly connected with abnormal shape gear of dwang, the lateral surface meshing of abnormal shape gear have the fluted disc, and the fluted disc rotates with the medial surface of body to be connected, the lateral surface fixedly connected with pin of fluted disc, the medial surface fixedly connected with feeler lever one of body, the position of feeler lever one, the specification all with the pin phase-match, can control the work interval of deashing board.

Preferably, the outer side surface of the connecting rod is movably sleeved with a connecting pipe, the connecting pipe is fixedly connected with the fixed shell, the fixed shell and the ash cleaning plate are both in sliding connection with the inner side surface of the body, the inner side surface of the body is fixedly connected with a second contact rod, the second contact rod is electrically connected with the control center, the position and the specification of the second contact rod are both matched with those of the connecting pipe, the inner side surface of the ash cleaning plate is rotatably connected with a ball, the ash cleaning plate can be supported, meanwhile, the scraping and rubbing between the ash cleaning plate and the outer surface of the set top box can be avoided, the number of the partition plates is two, one partition plate is rotatably connected with the inner side surface of the air bag and is matched with the position and the specification of the air vent groove, the air vent groove is communicated with the air bag, the other partition plate is rotatably connected with the outer side surface of the air bag, the outer side surface of the air bag is provided with an air vent hole, and the position and the specification of the other partition plate are both matched with the air vent hole, the lateral surface fixedly connected with spiral spring of baffle, spiral spring and the medial surface fixed connection of deashing board, the medial surface fixedly connected with filter plate of deashing board to inside making the dust can only enter into the gasbag from the air channel, then rethread exhaust hole discharge gasbag, the dust in to the exhaust gas through the filter plate at last filters, the content of the interior dust of the gas when making the discharge is enough low.

Preferably, the fixed shell is movably connected with a receiving mechanism inside.

Preferably, the receiving mechanism includes the bull stick, the line wheel, the line pole of walking, the slider, the gangbar, the guide bar, the connecting plate, the stay cord, the medial surface rotation of set casing is connected with the bull stick, the inside fixedly connected with motor three of set casing, motor three and bull stick fixed connection, motor three is connected with the external power electricity, the lateral surface fixedly connected with line wheel of bull stick, the lateral surface rolling of line wheel has the stay cord, the outside fixedly connected with slider of stay cord, the lateral surface rotation of slider is connected with the gangbar, the lateral surface rotation of gangbar is connected with the connecting plate, the medial surface fixedly connected with guide bar of set casing, the medial surface fixedly connected with line pole of set casing, can accomodate the processing to the deashing board under the inoperative state.

Preferably, the pull rope is connected with the outer side face of the wire walking rod in a sliding mode, the sliding block is connected with the outer side face of the guide rod in a sliding mode, and the connecting plate is fixedly connected with the ash removing plate.

(III) advantageous effects

Compared with the prior art, the invention provides an automatic ash removal device for an intelligent television set top box in the using process, which has the following beneficial effects:

1. the automatic dust cleaning device is used in the use process of the intelligent television set-top box, the working interval of the dust cleaning mechanism is intelligently controlled through the time delay component, then the rotating shaft rotates to drive the chain wheel to rotate, the chain wheel rotates to drive the chain to rotate, the chain rotates to drive the movable rod to move, the movable rod moves to drive the fixed shell to move, the fixed shell moves to drive the ash cleaning plate to move, and in the moving process of the ash cleaning plate, the gear is driven to rotate through the rotation of the rotating shaft, the gear drives the pressing plate to move downwards, the extruded air bag starts to recover and generate suction force, under the action of the air channel, the dust cleaning plate can move and clean dust on the surface of the television set-top box at the same time, therefore, the situation that a large amount of dust is accumulated on the outer side face of the set top box to cause obstruction to heat dissipation of the set top box is avoided, and the practicability of the television set top box is greatly improved.

2. This automatic ash removal device is used in smart TV STB use, rotation through the bull stick drives the line wheel and rotates, line wheel pivoted in-process can carry out the rolling to the stay cord, under the effect of line pole of walking, the stay cord is driven by the in-process of rolling and is removed the slider and remove, the slider removes and drives the gangbar rotation, the gangbar rotates and drives the connecting plate and remove, thereby can send out the deashing with the deashing board when needs and withdraw the deashing board when not needing the deashing, the existence of having avoided the deashing board makes the outside aesthetic property of TV STB receive the condition emergence of influence.

Drawings

FIG. 1 is a schematic view of the present invention in partial cross section;

FIG. 2 is a schematic view of the connection structure of the ash removal mechanism of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 2 at C according to the present invention;

FIG. 6 is a schematic view of a connection structure of the receiving mechanism of the present invention.

In the figure: 1. a body; 2. an external power supply; 3. a control hub; 4. a dust removal mechanism; 401. a rotating shaft; 402. a sprocket; 403. a chain; 404. a connecting rod; 405. a stationary case; 406. cleaning the ash plate; 407. an extrusion assembly; 4071. a rotating shaft; 4072. a gear; 4073. teeth; 4074. pressing a plate; 408. a partition plate; 409. an air bag; 410. a vent channel; 411. a delay component; 4111. rotating the rod; 4112. a special-shaped gear; 4113. a fluted disc; 4114. a stop lever; 4115. a first feeler lever; 5. a storage mechanism; 501. a rotating rod; 502. a wire wheel; 503. a wire feeding rod; 504. a slider; 505. a linkage rod; 506. a guide bar; 507. a connecting plate; 508. and pulling a rope.

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.

The first embodiment is as follows:

referring to fig. 1-5, an automatic ash removing device for use in the use process of an intelligent television set-top box comprises a body 1, an external power supply 2 is fixedly connected inside the body 1, a control center 3 is fixedly connected inside the body 1, an ash removing mechanism 4 is movably connected inside the body 1, the ash removing mechanism 4 comprises a rotating shaft 401, a chain wheel 402, a chain 403, a connecting rod 404, a fixed shell 405, an ash removing plate 406, an extrusion component 407, a partition 408, an air bag 409, an air channel 410 and a delay component 411, the inner side surface of the body 1 is rotatably connected with the rotating shaft 401, the outer side surface of the rotating shaft 401 is fixedly connected with the chain wheel 402, the outer side surface of the chain wheel 402 is engaged with the chain 403, the outer side surface of the chain 403 is rotatably connected with the connecting rod 404, the outer side surface of the connecting rod 404 is movably connected with the fixed shell 405, the top of the fixed shell 405 is movably connected with the ash removing plate 406, the inner side surface of the ash removing plate 406 is movably connected with the extrusion component 407, the extrusion component 407 comprises a rotating shaft 4071, a gear 4072, a tooth 4073 and a pressure plate 4074, the inner side surface of the soot cleaning plate 406 is rotatably connected with the rotating shaft 4071, the outer side surface of the rotating shaft 4071 is fixedly connected with the gear 4072, the inner side surface of the soot cleaning plate 406 is slidably connected with the pressure plate 4074, the outer side surface of the pressure plate 4074 is provided with the tooth 4073, the position and the specification of the tooth 4073 are both matched with those of the gear 4072, the inner side surface of the soot cleaning plate 406 is fixedly connected with an air bag 409, the outside of the air bag 409 is movably and rotatably connected with a partition plate 408, the inner side surface of the soot cleaning plate 406 is provided with a vent groove 410, the interior of the body 1 is movably connected with a delay component 411, the delay component 411 comprises a rotating rod 4111, a special-shaped gear 4112, a toothed plate 4113, a stop rod 4114 and a feeler rod 4115, the inner side surface of the body 1 is rotatably connected with the rotating rod 4111, the outer side surface of the rotating rod 4112 is fixedly connected with the special-shaped gear 4112, the outer side surface of the rotating rod 4113 is engaged with the toothed plate 4112, fluted disc 4113 is connected with the medial surface rotation of body 1, fluted disc 4113's lateral surface fixedly connected with pin 4114, the medial surface fixedly connected with feeler lever one 4115 of body 1, feeler lever one 4115's position, specification all with pin 4114 phase-match.

The outer side surface of the connecting rod 404 is movably sleeved with a connecting pipe, the connecting pipe is fixedly connected with a fixed shell 405, the fixed shell 405 and the ash cleaning plate 406 are both in sliding connection with the inner side surface of the body 1, the inner side surface of the body 1 is fixedly connected with a second contact rod, the position and the specification of the second contact rod are matched with the connecting pipe, the inner side surface of the ash cleaning plate 406 is rotatably connected with a ball, the number of the partition plates 408 is two, one partition plate 408 is rotatably connected with the inner side surface of the air bag 409 and the position of the vent groove 410, the specifications of the air groove 410 are matched, the air bag 409 is communicated with the air groove, the other partition 408 is rotatably connected to the outer side face of the air bag 409, the outer side face of the air bag 409 is provided with an exhaust hole, the position and the specification of the other partition 408 are matched with the exhaust hole, the outer side face of the partition 408 is fixedly connected with a scroll spring, the scroll spring is fixedly connected with the inner side face of the ash cleaning plate 406, and the inner side face of the ash cleaning plate 406 is fixedly connected with a filter plate.

Example two:

referring to fig. 6, an automatic dust removing device for use in the use process of an intelligent television set-top box comprises a body 1, an external power supply 2 is fixedly connected inside the body 1, a control center 3 is fixedly connected inside the body 1, a dust removing mechanism 4 capable of cleaning dust on the outer surface of the television set-top box is movably connected inside the body 1, a receiving mechanism 5 is movably connected inside a fixed shell 405, the receiving mechanism 5 comprises a rotating rod 501, a wire wheel 502, a wire routing rod 503, a sliding block 504, a linkage rod 505, a guide rod 506, a connecting plate 507 and a pull rope 508, the inner side surface of the fixed shell 405 is rotatably connected with the rotating rod 501, the outer side surface of the rotating rod 501 is fixedly connected with the wire wheel 502, the outer side surface of the wire wheel 502 is wound with the pull rope 508, the outer part of the pull rope 508 is fixedly connected with the sliding block 504, the outer side surface of the sliding block 504 is rotatably connected with the linkage rod 505, the outer side surface of the linkage rod 505 is rotatably connected with the connecting plate 507, a guide rod 506 is fixedly connected to the inner side surface of the fixed shell 405, and a wiring rod 503 is fixedly connected to the inner side surface of the fixed shell 405.

The pull rope 508 is connected with the outer side surface of the wiring rod 503 in a sliding way, the sliding block 504 is connected with the outer side surface of the guide rod 506 in a sliding way, and the connecting plate 507 is fixedly connected with the dust cleaning plate 406.

Example three:

referring to fig. 1-6, an automatic ash removing device for use in the use process of an intelligent television set-top box comprises a body 1, an external power supply 2 is fixedly connected inside the body 1, a control center 3 is fixedly connected inside the body 1, an ash removing mechanism 4 is movably connected inside the body 1, the ash removing mechanism 4 comprises a rotating shaft 401, a chain wheel 402, a chain 403, a connecting rod 404, a fixed shell 405, an ash removing plate 406, an extrusion component 407, a partition 408, an air bag 409, an air channel 410 and a delay component 411, the inner side surface of the body 1 is rotatably connected with the rotating shaft 401, the outer side surface of the rotating shaft 401 is fixedly connected with the chain wheel 402, the outer side surface of the chain wheel 402 is engaged with the chain 403, the outer side surface of the chain 403 is rotatably connected with the connecting rod 404, the outer side surface of the connecting rod 404 is movably connected with the fixed shell 405, the top of the fixed shell 405 is movably connected with the ash removing plate 406, the inner side surface of the ash removing plate 406 is movably connected with the extrusion component 407, the extrusion component 407 comprises a rotating shaft 4071, a gear 4072, a tooth 4073 and a pressure plate 4074, the inner side surface of the soot cleaning plate 406 is rotatably connected with the rotating shaft 4071, the outer side surface of the rotating shaft 4071 is fixedly connected with the gear 4072, the inner side surface of the soot cleaning plate 406 is slidably connected with the pressure plate 4074, the outer side surface of the pressure plate 4074 is provided with the tooth 4073, the position and the specification of the tooth 4073 are both matched with those of the gear 4072, the inner side surface of the soot cleaning plate 406 is fixedly connected with an air bag 409, the outside of the air bag 409 is movably and rotatably connected with a partition plate 408, the inner side surface of the soot cleaning plate 406 is provided with a vent groove 410, the interior of the body 1 is movably connected with a delay component 411, the delay component 411 comprises a rotating rod 4111, a special-shaped gear 4112, a toothed plate 4113, a stop rod 4114 and a feeler rod 4115, the inner side surface of the body 1 is rotatably connected with the rotating rod 4111, the outer side surface of the rotating rod 4112 is fixedly connected with the special-shaped gear 4112, the outer side surface of the rotating rod 4113 is engaged with the toothed plate 4112, fluted disc 4113 is connected with the medial surface rotation of body 1, fluted disc 4113's lateral surface fixedly connected with pin 4114, the medial surface fixedly connected with feeler lever one 4115 of body 1, feeler lever one 4115's position, specification all with pin 4114 phase-match.

The outer side surface of the connecting rod 404 is movably sleeved with a connecting pipe, the connecting pipe is fixedly connected with a fixed shell 405, the fixed shell 405 and the ash cleaning plate 406 are both in sliding connection with the inner side surface of the body 1, the inner side surface of the body 1 is fixedly connected with a second contact rod, the position and the specification of the second contact rod are matched with the connecting pipe, the inner side surface of the ash cleaning plate 406 is rotatably connected with a ball, the number of the partition plates 408 is two, one partition plate 408 is rotatably connected with the inner side surface of the air bag 409 and the position of the vent groove 410, the specifications of the air groove 410 are matched, the air bag 409 is communicated with the air groove, the other partition 408 is rotatably connected to the outer side face of the air bag 409, the outer side face of the air bag 409 is provided with an exhaust hole, the position and the specification of the other partition 408 are matched with the exhaust hole, the outer side face of the partition 408 is fixedly connected with a scroll spring, the scroll spring is fixedly connected with the inner side face of the ash cleaning plate 406, and the inner side face of the ash cleaning plate 406 is fixedly connected with a filter plate.

The inside swing joint of set casing 405 has receiving mechanism 5, receiving mechanism 5 includes bull stick 501, line wheel 502, walk line pole 503, slider 504, gangbar 505, guide bar 506, connecting plate 507, stay cord 508, the medial surface of set casing 405 rotates and is connected with bull stick 501, the lateral surface fixedly connected with line wheel 502 of bull stick 501, the lateral surface rolling of line wheel 502 has stay cord 508, the outside fixedly connected with slider 504 of stay cord 508, the lateral surface of slider 504 rotates and is connected with gangbar 505, the lateral surface of gangbar 505 rotates and is connected with connecting plate 507, the medial surface fixedly connected with guide bar 506 of set casing 405, the medial surface fixedly connected with of set casing 405 walks line pole 503.

The pull rope 508 is connected with the outer side surface of the wiring rod 503 in a sliding way, the sliding block 504 is connected with the outer side surface of the guide rod 506 in a sliding way, and the connecting plate 507 is fixedly connected with the dust cleaning plate 406.

The working principle is as follows: when the television set top box is in use, the rotating rod 4111 rotates to drive the special-shaped gear 4112 to rotate, the special-shaped gear 4112 rotates to drive the fluted disc 4113 to rotate, the fluted disc 4113 rotates to drive the stop rod 4114 to rotate, when the stop rod 4114 rotates to be in contact with the first contact rod 4115, the control center 3 controls the external power supply 2 to energize the first motor and the second motor to start the motors, the first motor starts to drive the rotating shaft 401 to rotate, the rotating shaft 401 rotates to drive the chain wheel 402 to rotate, the chain wheel 402 rotates to drive the chain 403 to rotate, the chain wheel 403 rotates to drive the connecting rod 404 to move, the connecting rod 404 moves to drive the connecting pipe, the connecting pipe moves to drive the fixed shell 405 to move, the fixed shell 405 moves to drive the soot cleaning plate 406 to move, the second motor starts to drive the rotating shaft 4071 to rotate, the rotating shaft 4071 rotates to drive the gear 4072 to rotate, the gear 4072 rotates to drive the pressure plate 4074 to move downwards under the action of the teeth 4073, at this moment, the squeezed air bag 409 starts to recover and generate suction force, under the action of the air channel 410, the dust cleaning plate 406 can move and clean dust on the surface of the television set-top box at the same time, so that the situation that a large amount of dust accumulated on the outer side surface of the set-top box can obstruct the heat dissipation of the set-top box is avoided, and the practicability of the television set-top box is greatly improved.

When the dust cleaning of the dust cleaning plate 406 is finished, the connecting pipe moves to be in contact with the contact rod II, the control center 3 controls the external power supply 2 to electrify the motor III to start the motor III, the motor III is started to drive the rotating rod 501 to rotate, the rotating rod 501 rotates to drive the wire wheel 502 to rotate, the pull rope 508 is loosened in the rotating process of the wire wheel 502, under the action of the gravity of the dust cleaning plate 406 and the connecting plate 507, the connecting plate 507 moves downwards and drives the linkage rod 505 to rotate, the slide block 504 is driven to move in the process of the rotation of the linkage rod 505, the dust cleaning plate 406 is driven to move downwards in the process of the downward movement of the connecting plate 507, therefore, the ash cleaning plate 406 can be stored, so that the ash cleaning plate 406 can be sent out for ash cleaning when needed, and the ash cleaning plate 406 can be retracted when ash cleaning is not needed, thereby avoiding the situation that the appearance of the television set top box is influenced due to the existence of the ash cleaning plate 406.

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.