CN215268558U

CN215268558U - Set top box with dust removal function

Info

Publication number: CN215268558U
Application number: CN202120800243.9U
Authority: CN
Inventors: 唐扬
Original assignee: Wuhan Yulong Industry And Trade Co ltd
Current assignee: Wuhan Yulong Industry And Trade Co ltd
Priority date: 2021-04-19
Filing date: 2021-04-19
Publication date: 2021-12-21
Anticipated expiration: 2031-04-19

Abstract

The utility model discloses a STB that possesses dust removal function, including the protection box, the inner chamber fixedly connected with baffle of protection box, the top fixedly connected with locating plate of baffle, one side fixedly connected with electric putter of locating plate, electric putter's other end fixedly connected with push pedal. The utility model discloses an electric putter, the push pedal, the dog, the biax motor, the worm wheel, first flabellum, the second flabellum, the cooperation of heat dissipation passageway and dust screen circle, the output shaft of biax motor passes through the worm and the worm wheel drives the pivot is rotatory, the pivot drives first flabellum rotatory, steam discharges the external world through heat dissipation passageway and ventilation hole, there is the air current to produce this moment, lead to the unable inner chamber that gets into the protection box of external dust, when need not the heat dissipation, electric putter drives the dog through the push pedal and inserts in the ventilation hole that corresponds, avoid the dust to get into, thereby improve the dust removal effect, the problem that current device does not possess dust removal function has been solved.

Description

Set top box with dust removal function

Technical Field

The utility model relates to a STB technical field specifically is a STB that possesses dust removal function.

Background

The set-top box is also one kind of electronic equipment, and the set-top box is provided with heat dissipation holes for heat dissipation, but the heat dissipation holes can cause dust to enter the interior of the set-top box, and further cause the dust to adhere to electrical components of the set-top box to interfere with the work of the electrical components.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a STB that possesses dust removal function's advantage, has solved the problem that current device does not possess dust removal function.

In order to achieve the above object, the utility model provides a following technical scheme: a set top box with a dust removal function comprises a protection box, wherein a baffle is fixedly connected to the inner cavity of the protection box, a positioning plate is fixedly connected to the top of the baffle, an electric push rod is fixedly connected to one side of the positioning plate, a push plate is fixedly connected to the other end of the electric push rod, a stop block is fixedly connected to one end of the push plate, a heat dissipation through hole is formed in the top of the baffle, a double-shaft motor is fixedly connected to the center of the bottom of the inner cavity of the protection box, a worm is fixedly connected to an output shaft of the double-shaft motor, a worm wheel is meshed with the surface of the worm, a rotating shaft is fixedly connected to the axis of the worm wheel, a first fan blade is fixedly connected to the top of the surface of the rotating shaft, a second fan blade is fixedly connected to the surface of the worm, heat dissipation channels are fixedly connected to the left side and the right side of the bottom of the inner cavity of the protection box, ventilation holes are formed in the left side and the right side of the protection box, the inner chamber in ventilation hole is provided with solid fixed ring, gu fixed ring's left side threaded connection has the dust screen circle.

Preferably, the bottom of the rotating shaft is movably connected with the bottom of the inner cavity of the protective box through a bearing seat, and the number of the rotating shafts is four.

Preferably, the surface of the worm is fixedly connected with a ball bearing, and the bottom of the ball bearing is fixedly connected with the bottom of the inner cavity of the protection box through a support rod.

Preferably, the top and the bottom of the fixing ring are fixedly connected with limiting blocks, the other ends of the limiting blocks are connected with limiting grooves in a sliding mode, and the inner cavities of the limiting grooves are fixedly connected with buffer springs.

Preferably, the heat dissipation channel is trapezoidal in shape, and a box cover is arranged at the top of the protection box.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses an electric putter, the push pedal, the dog, the biax motor, the worm wheel, first flabellum, the second flabellum, the cooperation of heat dissipation passageway and dust screen circle, the output shaft of biax motor passes through the worm and the worm wheel drives the pivot is rotatory, the pivot drives first flabellum rotatory, steam discharges the external world through heat dissipation passageway and ventilation hole, there is the air current to produce this moment, lead to the unable inner chamber that gets into the protection box of external dust, when need not the heat dissipation, electric putter drives the dog through the push pedal and inserts in the ventilation hole that corresponds, avoid the dust to get into, thereby improve the dust removal effect, the problem that current device does not possess dust removal function has been solved.

2. The utility model discloses a design ball bearing is convenient for carry on spacingly to the worm, improves the security of device, and through stopper, spacing groove and buffer spring's cooperation, the dust screen circle of being convenient for resets, conveniently changes the dust screen circle, through design heat dissipation channel, is convenient for lead the air current.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front sectional view of the fixing block structure of the present invention;

fig. 3 is a perspective view of the placement block structure of the present invention.

In the figure: 1. a protective case; 2. a baffle plate; 3. positioning a plate; 4. an electric push rod; 5. pushing the plate; 6. a stopper; 7. a heat dissipating through hole; 8. a double-shaft motor; 9. a worm; 10. a worm gear; 11. a rotating shaft; 12. a first fan blade; 13. a second fan blade; 14. a heat dissipation channel; 15. a vent hole; 16. a fixing ring; 17. a dustproof net ring; 18. a ball bearing; 19. a limiting block; 20. a limiting groove; 21. a buffer spring; 22. and a box cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a set top box with a dust removing function comprises a protective box 1, a baffle 2 is fixedly connected to an inner cavity of the protective box 1, a positioning plate 3 is fixedly connected to the top of the baffle 2, an electric push rod 4 is fixedly connected to one side of the positioning plate 3, a push plate 5 is fixedly connected to the other end of the electric push rod 4, a stop block 6 is fixedly connected to one end of the push plate 5, a heat dissipation through hole 7 is formed in the top of the baffle 2, a double-shaft motor 8 is fixedly connected to the center of the bottom of the inner cavity of the protective box 1, a worm 9 is fixedly connected to an output shaft of the double-shaft motor 8, a ball bearing 18 is fixedly connected to the surface of the worm 9, the bottom of the ball bearing 18 is fixedly connected to the bottom of the inner cavity of the protective box 1 through a support rod, the ball bearing 18 is designed to facilitate the limitation of the worm 9 and improve the safety of the device, and through the cooperation of a limit block 19, a limit groove 20 and a buffer spring 21, the dust-proof net ring 17 is convenient to reset and convenient to replace, the airflow is convenient to guide by designing the heat dissipation channel 14, the worm wheel 10 is meshed on the surface of the worm 9, the axis of the worm wheel 10 is fixedly connected with a rotating shaft 11, the bottom of the rotating shaft 11 is movably connected with the bottom of the inner cavity of the protective box 1 through a bearing seat, the number of the rotating shafts 11 is four, the top of the surface of the rotating shaft 11 is fixedly connected with a first fan blade 12, the surface of the worm 9 is fixedly connected with a second fan blade 13, the left side and the right side of the inner cavity of the protective box 1 are both fixedly connected with the heat dissipation channel 14, the shape of the heat dissipation channel 14 is trapezoidal, the top of the protective box 1 is provided with a box cover 22, the left side and the right side of the protective box 1 are both provided with vent holes 15, the inner cavity of the vent holes 15 is provided with a fixing ring 16, the top and the bottom of the fixing ring 16 are both fixedly connected with a limiting block 19, and the other end of the limiting groove 20 is slidably connected with the limiting block 19, inner chamber fixedly connected with buffer spring 21 of spacing groove 20, the left side threaded connection of solid fixed ring 16 has dust screen ring 17, through electric putter 4, push pedal 5, dog 6, double-shaft motor 8, worm 9, worm wheel 10, first flabellum 12, second flabellum 13, the cooperation of heat dissipation channel 14 and dust screen ring 17, double-shaft motor 8's output shaft passes through worm 9 and worm wheel 10 and drives pivot 11 rotatory, pivot 11 drives first flabellum 12 rotatory, steam discharges to the external world through heat dissipation channel 14 and ventilation hole 15, there is the air current to produce this moment, lead to the unable inner chamber that gets into protection box 1 of external dust, when need not the heat dissipation, electric putter 4 drives dog 6 through push pedal 5 and inserts in the ventilation hole 15 that corresponds, avoid the dust to get into, thereby improve the dust removal effect, the problem that the existing device does not possess the dust removal function is solved.

During the use, the output shaft of double-shaft motor 8 passes through worm 9 and worm wheel 10 and drives pivot 11 rotatory, pivot 11 drives first flabellum 12 rotatory, steam discharges the external world through heat dissipation channel 14 and ventilation hole 15, there is the air current to produce this moment, lead to the unable inner chamber that gets into protection box 1 of external dust, when need not the heat dissipation, electric putter 4 drives dog 6 through push pedal 5 and inserts in the ventilation hole 15 that corresponds, avoid the dust to get into to improve dust removal effect.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent. In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

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. The utility model provides a set-top box that possesses dust removal function, includes protection box (1), its characterized in that: the inner cavity of the protection box (1) is fixedly connected with a baffle (2), the top of the baffle (2) is fixedly connected with a positioning plate (3), one side of the positioning plate (3) is fixedly connected with an electric push rod (4), the other end of the electric push rod (4) is fixedly connected with a push plate (5), one end of the push plate (5) is fixedly connected with a stop block (6), the top of the baffle (2) is provided with a heat dissipation through hole (7), the center of the bottom of the inner cavity of the protection box (1) is fixedly connected with a double-shaft motor (8), the output shaft of the double-shaft motor (8) is fixedly connected with a worm (9), the surface of the worm (9) is meshed with a worm wheel (10), the axis of the worm wheel (10) is fixedly connected with a rotating shaft (11), the top of the surface of the rotating shaft (11) is fixedly connected with a first fan blade (12), and the surface of the worm (9) is fixedly connected with a second fan blade (13), the protection box is characterized in that the left side and the right side of the bottom of an inner cavity of the protection box (1) are fixedly connected with heat dissipation channels (14), the left side and the right side of the protection box (1) are provided with ventilation holes (15), the inner cavity of the ventilation holes (15) is provided with fixing rings (16), and the left side of each fixing ring (16) is in threaded connection with a dustproof net ring (17).

2. The set top box with the dust removing function according to claim 1, wherein: the bottom of the rotating shaft (11) is movably connected with the bottom of the inner cavity of the protective box (1) through a bearing seat, and the number of the rotating shafts (11) is four.

3. The set top box with the dust removing function according to claim 1, wherein: the surface of the worm (9) is fixedly connected with a ball bearing (18), and the bottom of the ball bearing (18) is fixedly connected with the bottom of the inner cavity of the protection box (1) through a support rod.

4. The set top box with the dust removing function according to claim 1, wherein: the top and the equal fixedly connected with stopper (19) in bottom of solid fixed ring (16), the other end sliding connection of stopper (19) has spacing groove (20), the inner chamber fixedly connected with buffer spring (21) of spacing groove (20).

5. The set top box with the dust removing function according to claim 1, wherein: the heat dissipation channel (14) is trapezoidal in shape, and a box cover (22) is arranged at the top of the protection box (1).