CN114268819A - Digital television set-top box - Google Patents
Digital television set-top box Download PDFInfo
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- CN114268819A CN114268819A CN202111498257.0A CN202111498257A CN114268819A CN 114268819 A CN114268819 A CN 114268819A CN 202111498257 A CN202111498257 A CN 202111498257A CN 114268819 A CN114268819 A CN 114268819A
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- 238000004140 cleaning Methods 0.000 claims abstract description 35
- 238000004804 winding Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 abstract description 13
- 239000000428 dust Substances 0.000 abstract description 9
- 238000007664 blowing Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 230000009467 reduction Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention relates to the field of television set-top boxes, in particular to a digital television set-top box, which comprises a base and a placing frame, wherein the placing frame is arranged on the upper side of the base, the set-top box is arranged on the inner side of the placing frame, a first driving shaft is arranged on the left side in the placing frame, a first driving wheel and a first driving gear are sequentially arranged on the first driving shaft from top to bottom, rotary gears are respectively arranged on the front side and the rear side of the first driving gear in a matching way, the circle center position of the upper side of each rotary gear is fixedly connected with a rotary shaft, the other end of the rotary shaft is fixedly connected with a rope winding wheel, a guide wheel rotates to enable a moving rod to drive the placing frame to move upwards and extend out, large-range air blowing and moisture reducing are realized, the first driving gear realizes intermittent rotation of the rotary gears, a cleaning brush arranged on the installing frame is driven by the driving rope to move, the cleaning brush performs resetting movement under the action of a spring, and the reciprocating moisture removing and dust removing of the set-top box are realized by the cleaning brush, the first straight rack and the second straight rack enable the clamping block to move in a telescopic mode through the moving frame, and therefore the set top box is mounted and dismounted.
Description
Technical Field
The invention relates to the field of television set-top boxes, in particular to a digital television set-top box.
Background
A television set-top box is a device that connects a television set to an external signal source. It can convert the compressed digital signal into television content and display it on the television. It enables users to watch digital television programs on existing television sets and to conduct interactive digital entertainment, education and commercialization activities over a network, television set-top boxes have become popular in residential life.
However, in a humid environment, particularly in the rainy season in the south, the weather gets damp seriously, and a large amount of water drops, water vapor and the like are condensed and attached indoors, so that in the environment, a large amount of water drops are condensed on the outer wall of the set top box, collected on the set top box and possibly enter the set top box along a heat dissipation hole or an installation gap and the like, and the set top box is generally placed on a desk or a television, so that the water drops are easily condensed on a contact surface with other objects, internal parts are easily contacted with the water vapor, the parts are easily rusted for a long time, even the electric leakage and other problems occur, and potential safety hazards are caused, and therefore, in sum, the equipment needs to be designed relatively.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a digital television set top box.
The technical scheme adopted by the invention for solving the technical problems is as follows: a digital television set top box comprises a base and a placement frame, wherein the placement frame is arranged on the upper side of the base, the set top box is arranged on the inner side of the placement frame, a first driving shaft is arranged on the left side in the placement frame, a first driving wheel and a first driving gear are sequentially arranged on the first driving shaft from top to bottom, rotating gears are respectively arranged on the front side and the rear side of the first driving gear in a matching manner, the circle center of the upper side of each rotating gear is fixedly connected with a rotating shaft, the other end of each rotating shaft is fixedly connected with a rope winding wheel, a driving rope is arranged on each rope winding wheel, sliding grooves are formed in the front side and the rear side of the placement frame, a mounting frame is arranged on the outer side of the left end of the set top box, the lower end of the mounting frame is movably arranged in the sliding grooves, the other end of each driving rope is fixedly connected with the mounting frame, a cleaning brush is arranged on each mounting frame, a second driving wheel is arranged on the right side of the placement frame, a driving belt is arranged between the first driving wheel and the second driving wheel in a matching manner, and a storage frame is respectively fixedly arranged on the left side and the right side of the lower end of the placement frame, and accomodate frame internally mounted and have the leading wheel, be provided with a pair of guide way on the leading wheel, and every inside carriage of installing respectively of guide way, both sides are provided with the shifting chute around accomodating the frame, and the carriage is installed inside the shifting chute, leading wheel internally mounted carriage, the inside slidable mounting of carriage has at least one sliding block, and the carriage upper end is connected the axis of rotation, the axis of rotation upside is located one section fixed mounting screwed pipe of leading wheel inside, and the screwed pipe outside installation slip cap, connect at least one rotary rod on the slip cap, and the sliding block is connected to the rotary rod other end, the inside fixed slot that is provided with of leading wheel, and the sliding block can be installed with the fixed slot cooperation, the axis of rotation fixed connection that first driving shaft is close rather than one side, and the second rotates the wheel rather than close axis of rotation fixed connection.
Specifically, the hair-dryer is installed to the base upside, and the carriage release lever other end fixed connection base, and driving piece is connected to first driving shaft one end, and the driving rope is located the inside side-mounting spring of sliding tray.
Specifically, the limiting plate is connected to the end, located the cleaning brush upside, on the mounting bracket, and the limiting plate other end installation gim peg, gim peg make limiting plate and mounting bracket fixed connection.
Specifically, the second driving gear is arranged inside the left side of the placing frame, which is located on the upper side of the first driving wheel, the first straight rack and the second straight rack are arranged on the left side and the right side of the second driving gear respectively, and the opposite ends of the first straight rack and the second straight rack are fixedly connected with the moving frame respectively.
Specifically, a clamping block is fixedly installed on one side, close to the set top box, of the moving frame, clamping grooves are formed in the front side and the rear side, close to the set top box, of the placing frame, and the clamping block is installed inside the clamping grooves in a sliding mode.
Specifically, the circle center position on the upper side of the second driving gear is fixedly connected with a second driving shaft, a handle is installed at the upper end of the left side of the placing frame, and the lower end of the handle is fixedly connected with the second driving shaft.
The invention has the beneficial effects that:
the invention relates to a digital television set top box, which is characterized in that a sliding sleeve, a threaded pipe, a rotating rod, a sliding frame, a sliding block, a fixed groove, a guide wheel and a moving rod are matched for use, the guide wheel is enabled to rotate under the rotating action of a rotating shaft, the rotating rod is enabled to drive the sliding block to gradually move in the sliding frame through the matched rotating movement of the threaded pipe and the sliding sleeve, the sliding block is further enabled to gradually move out of the fixed groove, the guide wheel is enabled to rotate in a limited time, the moving rod is enabled to drive the placing frame to rapidly move upwards and extend out, the placing frame drives the set top box to be far away from a base, the collection of water vapor between the lower side of the set top box and the base is reduced, the blowing range of a blower is improved, the large-range blowing and moisture reduction can be realized for the water vapor at the bottom, the moisture reduction efficiency is improved, and the large-range blowing and the moisture reduction efficiency is realized through a rope winding wheel, a rotating shaft, a rotating gear, a driving rope, a first driving gear, a spring, a second driving rope, a second driving gear and a second driving gear are arranged on the bottom of the sliding rod, a second driving gear, a third driving gear, a second driving gear, a third driving gear and a third driving gear, a fourth driving gear, a third driving gear, a fourth driving gear, a third driving rod, a fourth driving gear, a fourth driving rod, a third driving rod, a fourth driving rod, a third driving rod, a fourth driving gear, a fourth driving rod, a fourth, Mounting bracket and cleaning brush 6's cooperation is used, make first driving gear realize the intermittent type rotation of rotary gear through the local tooth on it, and then make the rope winding wheel drive the cleaning brush 6 of installing on the mounting bracket through the driving rope and remove, make the mounting bracket of being connected with the driving rope drive cleaning brush 6 and remove that resets under the elastic force effect that resets of spring simultaneously, consequently realize the reciprocating motion of cleaning brush, and then realize removing damp and removing dust to the reciprocal clearance of STB upside.
The invention relates to a digital television set-top box, which is characterized in that a second driving shaft, a second driving gear, a first straight rack, a second straight rack, a moving frame and a clamping block are used in a matched mode, the second driving gear drives the first straight rack and the second straight rack which are installed in a matched mode to move in a direction through the second driving shaft under the rotation effect of a handle, then the moving frame connected with the first straight rack and the second straight rack drives a clamping block fixedly installed with the moving frame to store and extend in a clamping groove, when the clamping block extends out, the set-top box placed in the placing frame is clamped and fixed, so that the set-top box is fixedly installed in the placing frame, when the clamping block moves inwards, the set-top box is clamped and loosened, the set-top box is conveniently taken out of the placing frame, and the set-top box is assembled and disassembled.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of section A-A of FIG. 1 according to the present invention;
FIG. 3 is a schematic cross-sectional view of section B-B of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of portion D of FIG. 2 according to the present invention;
FIG. 5 is a schematic view of the storage rack and guide wheels of FIG. 1 according to the present invention;
FIG. 6 is a schematic view of the construction of the mounting bracket and the cleaning brush 6 of FIG. 1 according to the present invention;
FIG. 7 is a schematic cross-sectional view of section C-C of FIG. 5 according to the present invention;
FIG. 8 is a schematic view of the sliding frame and the rotating shaft of FIG. 7 according to the present invention;
FIG. 9 is a schematic structural view of the first and second racks of spur gear of FIG. 2 according to the present invention;
FIG. 10 is a schematic view of the first drive gear and the rotary gear of FIG. 3 according to the present invention;
in the figure: 1. a base; 2. a blower; 3. a placement frame; 4. a set-top box; 5. a mounting frame; 6. a cleaning brush; 7. a limiting plate; 8. a fixing bolt; 9. a storage rack; 10. a moving groove; 11. a travel bar; 12. a handle; 13. a rope winding wheel; 14. a rotating shaft; 15. a rotating gear; 16. a first drive shaft; 17. a first drive gear; 18. a first drive pulley; 19. a second driving shaft; 20. a second driving gear; 21. a first straight rack; 22. a second spur rack; 23. a movable frame; 24. a clamping block; 25. a guide groove; 26. a guide wheel; 27. a sliding sleeve; 28. a threaded pipe; 29. rotating the rod; 30. a carriage; 31. a slider; 32. a sliding groove; 33. a clamping groove; 34. a drive rope; 35. a spring; 36. fixing grooves; 37. a second transmission wheel; 38. a transmission belt; 39. and rotating the shaft.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-10, the digital television set-top box of the invention comprises a base 1 and a mounting frame 3, wherein the mounting frame 3 is arranged on the upper side of the base 1, the set-top box 4 is arranged on the inner side of the mounting frame 3, a first driving shaft 16 is arranged on the left side inside the mounting frame 3, the first driving shaft 16 is sequentially provided with a first driving wheel 18 and a first driving gear 17 from top to bottom, the front side and the back side of the first driving gear 17 are respectively provided with a rotating gear 15 in a matching manner, the circle center position of the upper side of the rotating gear 15 is fixedly connected with a rotating shaft 14, the other end of the rotating shaft 14 is fixedly connected with a rope winding wheel 13, a driving rope 34 is arranged on the rope winding wheel 13, the front side and the back side of the mounting frame 3 are both provided with sliding grooves 32, the outer side of the left end of the set-top box 4 is provided with the mounting frame 5, the lower end of the mounting frame 5 is movably arranged inside the sliding grooves 32, the other end of the driving rope 34 is fixedly connected with the mounting frame 5, and a cleaning brush 6 is arranged on the mounting frame 5, a second transmission wheel 37 is arranged on the right side of the placing frame 3, a transmission belt 38 is arranged between the first transmission wheel 18 and the second transmission wheel 37 in a matching way, the left side and the right side of the lower end of the placing frame 3 are respectively and fixedly provided with a receiving frame 9, a guide wheel 26 is arranged inside the receiving frame 9, a pair of guide grooves 25 are arranged on the guide wheel 26, a moving rod 11 is arranged inside each guide groove 25, moving grooves 10 are arranged on the front side and the rear side of the receiving frame 9, the moving rods 11 are arranged inside the moving grooves 10, a sliding frame 30 is arranged inside the guide wheel 26, at least one sliding block 31 is arranged inside the sliding frame 30 in a sliding way, the upper end of the sliding frame 30 is connected with a rotating shaft 39, a section of the threaded pipe 28 which is positioned inside the guide wheel 26 on the upper side of the rotating shaft 39 is fixedly arranged, a sliding sleeve 27 is arranged on the outer side of the threaded pipe 28, at least one rotating rod 29 is connected on the sliding sleeve 27, and the other end of the rotating rod 29 is connected with the sliding block 31, the guide wheel 26 is internally provided with a fixed groove 36, the sliding block 31 can be installed in a matching way with the fixed groove 36, the first driving shaft 16 is fixedly connected with a rotating shaft 39 close to one side of the first driving shaft 16, the second rotating wheel is fixedly connected with a rotating shaft 39 close to the second rotating wheel, the driving part is started to drive the first driving shaft 16 to rotate, the first driving shaft 16 rotates to drive the first driving gear 17 and the first driving wheel 18 which are fixedly connected with the first driving shaft 16 to rotate, the first driving wheel 18 enables the second driving wheel 37 to simultaneously rotate in a transmission way through a transmission belt 38, the second driving wheel 37 drives the rotating shaft 39 fixedly connected with the second driving wheel 37 to rotate, meanwhile, the first driving shaft 16 also drives the rotating shaft 39 fixedly connected with the first driving shaft to rotate, because the sliding block 31 is installed in the fixed groove 36 in a matching way, the guide wheel 26 and the rotating shaft 39 rotate synchronously, namely, the rotating shaft 39 rotates to drive the guide wheel 26 to rotate, further, the moving rod 11 installed in cooperation with the guide groove 25 on the guide wheel 26 moves downwards along with the rotation of the guide wheel 26, the guide rod moves downwards in the moving groove 10 of the storage rack 9 to stretch out the moving rod 11, and further the setting rack 3 drives the set-top box 4 to be far away from the base 1, thereby preventing the base 1 from contacting with the setting rack 3 in a short distance, collecting water drops at the bottom of the set-top box 4, expanding the blowing range of the blower 2 on the base 1 while the set-top box 4 is far away from the base 1, enabling the water vapor at the bottom to realize large-scale blowing and moisture reduction, increasing the moisture reduction efficiency, and secondly, along with the gradual rotation of the rotating shaft 39, the threaded pipe 28 fixedly installed on the rotating shaft 39 also rotates, and simultaneously, the sliding sleeve 27 installed in cooperation with the threaded pipe 28 moves upwards, and the sliding sleeve 27 moves upwards to drive the rotating rod 29 connected with the sliding sleeve to inwards fold and rotate, and then the rotating rod 29 drives the sliding block 31 connected with the rotating rod to move inwards in the sliding frame 30, so that the sliding block 31 gradually moves out from the inside of the fixed groove 36 to be completely separated from the fixed groove 36, when the sliding block 31 is completely separated from the fixed groove 36, the guide wheel 26 stops rotating, and at the moment, the moving rod 11 moves to the bottom of the moving groove 10 of the storage frame 9, so that the moving rod 11 stops, the moving rod 11 completely extends out, the first driving gear 17 rotates to drive the rotating gear 15 installed in cooperation with the first driving gear 17 to rotate, the first driving gear 17 is symmetrically provided with local teeth, so that the first driving gear 17 can realize intermittent rotating motion for the rotating gear 15, when the rotating gear 15 rotates, the rotating gear 15 enables the rope winding wheel 13 to rotate through the rotating shaft 14 fixedly connected with the rotating gear 15, the rope winding wheel 13 rotates to wind the transmission rope 34 installed on the rope winding wheel, the transmission rope 34 drives the mounting frame 5 connected with the other end of the mounting frame to move to the left side in the sliding groove 32, meanwhile, the spring 35 in the sliding groove 32 is compressed, the mounting frame 5 moves to drive the cleaning brush 6 installed in a matched mode to move on the upper side of the set top box 4, further, condensed water drops and dust on the upper side of the set top box 4 are cleaned, when the meshing of the local teeth of the first driving gear 17 and the rotating gear 15 is finished, the rotating gear 15 stops rotating, at the moment, the mounting frame 5 drives the cleaning brush 6 to reset to move to the right side under the action of the reset elastic force of the spring 35, meanwhile, the transmission rope 34 is loosened to rotate, when the local teeth of the first driving gear 17 are meshed with the rotating gear 15 again, the motion process is repeated, therefore, the reciprocating movement of the cleaning brush 6 is achieved, and further, the reciprocating cleaning, the moisture removal and the dust removal of the upper side of the set top box 4 are achieved, thus realizing the reciprocating cleaning, moisture removal and dust removal of the upper side of the set-top box 4.
Specifically, the blower 2 is installed on the upper side of the base 1, the other end of the movable rod 11 is fixedly connected with the base 1, one end of the first driving shaft 16 is connected with the driving part, and the spring 35 is installed on one side of the driving rope 34, which is located inside the sliding groove 32.
Specifically, one end of the mounting frame 5, which is positioned at the upper side of the cleaning brush 6, is connected with a limiting plate 7, the limiting plate 7 is opened and closed by disassembling and assembling a fixing bolt 8 on the limiting plate 7, when the limiting plate 7 is opened, the cleaning brush 6 is conveniently replaced, when the limiting plate 7 is closed, the cleaning brush 6 is limited and fixed, the cleaning brush 6 is disassembled and replaced, the fixing bolt 8 is installed at the other end of the limiting plate 7, the limiting plate 7 is fixedly connected with the mounting frame 5 by the fixing bolt 8, a driving rope 34 drives the mounting frame 5 connected with the other end of the mounting frame to move towards the left side in a sliding groove 32, a spring 35 in the sliding groove 32 is compressed at the same time, the mounting frame 5 drives the cleaning brush 6 installed in a matched manner to move at the upper side of the set top box 4, further, condensed water beads and dust on the upper side of the set top box 4 are cleaned, the mounting frame 5 drives the cleaning brush 6 to reset to move towards the right side under the action of the reset elastic force of the spring 35, while the drive cord 34 is undergoing a slack rotation.
Specifically, the left side internally mounted second driving gear 20 that is located the upside of first drive wheel 18 on the mount 3, and first rack 21 and second rack 22 are installed respectively to the second driving gear 20 left and right sides, the first rack 21 and the relative one end of second rack 22 are fixed connection removal frame 23 respectively, second driving shaft 19 is rotatory to be driven and carries out the relative movement with first rack 21 and second rack 22 of its left and right sides cooperation installation, first rack 21 and second rack 22 carry out the relative movement in the time of, drive rather than fixed connection's removal frame 23 and carry out the relative movement in mount 3 is inside.
Specifically, one side fixed mounting clamping block 24 that is close to STB 4 on the removal frame 23, both sides are provided with clamping groove 33 around being close to STB 4 on the mount frame 3, and clamping block 24 slidable mounting is inside clamping groove 33, removal frame 23 drives rather than fixed mounting's clamping block 24 and moves in opposite directions, and then make clamping block 24 stretch out or accomodate the removal in clamping groove 33 is inside, when clamping block 24 stretches out, it is fixed to carry out the centre gripping to placing STB 4 inside mount frame 3, make STB 4 fixed mounting inside mount frame 3, when clamping block 24 moves to the inboard, it relaxs to carry out the centre gripping to STB 4, be convenient for make STB 4 take out from mount frame 3 is inside, realize mount frame 3 and STB 4's dismouting.
Specifically, the circle center position on the upper side of the second driving gear 20 is fixedly connected with a second driving shaft 19, the upper end of the left side of the placing frame 3 is provided with a handle 12, the lower end of the handle 12 is fixedly connected with the second driving shaft 19, and the handle 12 is screwed to rotate the handle 12 to drive the second driving shaft 19 fixedly connected with the handle to rotate.
The working principle is as follows: starting a driving member (the driving member may be a driving motor, not shown in the figures), so that the driving member drives the first driving shaft 16 to rotate, the first driving shaft 16 drives the first driving gear 17 and the first driving wheel 18 fixedly connected therewith to rotate, the first driving wheel 18 drives the second driving wheel 37 to simultaneously rotate in a driving manner through a driving belt 38, so that the second driving wheel 37 drives the rotating shaft 39 fixedly connected therewith to rotate, and simultaneously the first driving shaft 16 also drives the rotating shaft 39 fixedly connected therewith to rotate, because the sliding block 31 is installed inside the fixed groove 36 in a matching manner, the guide wheel 26 and the rotating shaft 39 rotate synchronously, that is, the rotating shaft 39 rotates to drive the guide wheel 26 to rotate, so that the moving rod 11 installed in a matching manner with the guide groove 25 on the guide wheel 26 moves downwards along with the rotation of the guide wheel 26, and the guide rod moves downwards inside the moving groove 10 of the receiving frame 9, the extension of the moving rod 11 is realized, so that the placing frame 3 drives the set top box 4 to be far away from the base 1, the base 1 is prevented from being in close contact with the placing frame 3 to enable water drops to be collected at the bottom of the set top box 4, the blowing range of the blower 2 on the base 1 is expanded while the set top box 4 is far away from the base 1, the moisture of the bottom can be blown and reduced in a large range, the moisture reducing efficiency is increased, secondly, the threaded pipe 28 fixedly installed on the rotating shaft 39 is also rotated along with the gradual rotation of the rotating shaft 39, and meanwhile, the sliding sleeve 27 matched with the threaded pipe 28 moves upwards, the sliding sleeve 27 moves upwards to drive the rotating rod 29 connected with the sliding sleeve to inwards fold and rotate, so that the rotating rod 29 drives the sliding block 31 connected with the sliding sleeve to inwards fold and move in the sliding frame 30, and the sliding block 31 gradually moves out of the inside the fixed groove 36 to be completely separated from the fixed groove 36, when the sliding block 31 is completely separated from the fixed groove 36, the guide wheel 26 stops rotating, and at this time, the moving rod 11 moves to the bottom of the moving groove 10 of the receiving frame 9, so that the guide wheel 26 stops, the moving rod 11 completely extends, the first driving gear 17 rotates to drive the rotating gear 15 installed in cooperation with the first driving gear 17 to rotate, the first driving gear 17 is symmetrically provided with local teeth, so that the first driving gear 17 can realize intermittent rotating motion to the rotating gear 15, when the rotating gear 15 rotates, the rotating gear 15 enables the rope winding wheel 13 to rotate through the rotating shaft 14 fixedly connected with the rotating gear 15, the rope winding wheel 13 rotates to wind the driving rope 34 installed on the rope winding wheel, the driving rope 34 drives the mounting frame 5 connected with the other end of the mounting frame to move to the left side in the sliding groove 32, meanwhile, the spring 35 in the sliding groove 32 is compressed, the mounting frame 5 moves to drive the cleaning brush 6 installed in cooperation with the mounting frame to move on the upper side of the set-top box 4, and then the condensed water drops and dust on the upper side of the set-top box 4 are cleaned, when the meshing of the local teeth of the first driving gear 17 and the rotating gear 15 is finished, the rotating gear 15 stops rotating, and at the moment, the mounting frame 5 drives the cleaning brush 6 to reset to move towards the right side under the action of the reset elastic force of the spring 35, and the transmission rope 34 is loosened to rotate, when the local teeth of the first driving gear 17 are meshed with the rotating gear 15 again, the motion process is repeated, so that the reciprocating movement of the cleaning brush 6 is realized, further the reciprocating cleaning, the moisture removal and the dust removal on the upper side of the set-top box 4 are realized, meanwhile, the limiting plate 7 is opened and closed by disassembling and assembling the fixing bolt 8 on the limiting plate 7, when the limiting plate 7 is opened, the cleaning brush 6 is convenient to replace, when the limiting plate 7 is closed, the cleaning brush 6 is limited and fixed, and the cleaning brush 6 is disassembled and replaced, therefore, the reciprocating movement of the cleaning brush 6 is realized, the reciprocating cleaning, the moisture removal and the dust removal of the upper side of the set top box 4 are further realized, and the cleaning brush 6 is convenient to replace;
the handle 12 is twisted to enable the handle 12 to rotate to drive a second driving shaft 19 fixedly connected with the handle to rotate, the second driving shaft 19 rotates to drive a first straight rack 21 and a second straight rack 22 which are matched and installed on the left side and the right side of the second driving shaft to move oppositely, the first straight rack 21 and the second straight rack 22 drive a moving frame 23 fixedly connected with the moving frame to move oppositely inside the placing frame 3 while moving oppositely, the moving frame 23 drives a clamping block 24 fixedly installed on the moving frame to move oppositely, so that the clamping block 24 extends out or is accommodated and moves inside a clamping groove 33, when the clamping block 24 extends out, the set top box 4 placed inside the placing frame 3 is clamped and fixed, the set top box 4 is fixedly installed inside the placing frame 3, when the clamping block 24 moves inwards, the set top box 4 is clamped and released, and the set top box 4 can be taken out from the placing frame 3 conveniently, the mounting and dismounting of the mounting frame 3 and the set-top box 4 are realized.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a digital television set-top box, includes base (1) and mount (3), its characterized in that: a mounting frame (3) is arranged on the upper side of a base (1), a set top box (4) is arranged on the inner side of the mounting frame (3), a first driving shaft (16) is arranged on the left side in the mounting frame (3), a first driving wheel (18) and a first driving gear (17) are sequentially arranged on the first driving shaft (16) from top to bottom, rotating gears (15) are respectively arranged on the front side and the rear side of the first driving gear (17) in a matching manner, a rotating shaft (14) is fixedly connected to the circle center of the upper side of the rotating gear (15), a rope winding wheel (13) is fixedly connected to the other end of the rotating shaft (14), a transmission rope (34) is arranged on the rope winding wheel (13), sliding grooves (32) are respectively arranged on the front side and the rear side of the mounting frame (3), a mounting frame (5) is arranged on the outer side of the left end of the set top box (4), the lower end of the mounting frame (5) is movably arranged in the sliding grooves (32), the other end of the transmission rope (34) is fixedly connected with the mounting frame (5), a cleaning brush (6) is arranged on the mounting frame (5), a second driving wheel (37) is arranged on the right side of the placement frame (3), a driving belt (38) is arranged between the first driving wheel (18) and the second driving wheel (37) in a matching mode, storage frames (9) are fixedly arranged on the left side and the right side of the lower end of the placement frame (3) respectively, guide wheels (26) are arranged inside the storage frames (9), a pair of guide grooves (25) are formed in the guide wheels (26), a moving rod (11) is arranged inside each guide groove (25), moving grooves (10) are arranged on the front side and the rear side of each storage frame (9), the moving rods (11) are arranged inside the moving grooves (10), a sliding frame (30) is arranged inside the guide wheels (26), at least one sliding block (31) is arranged inside the sliding frame (30), the upper end of the sliding frame (30) is connected with a rotating shaft (39), a section of a fixed mounting threaded pipe (28) is arranged on the upper side of the rotating shaft (39) and positioned inside the guide wheels (26), and threaded pipe (28) outside installation slip cap (27), connect at least one rotary rod (29) on slip cap (27), and rotary rod (29) other end connection sliding block (31), leading wheel (26) inside is provided with fixed slot (36), and sliding block (31) can be installed with fixed slot (36) cooperation, first driving shaft (16) rather than the axis of rotation (39) fixed connection that one side is close, and the second rotates wheel rather than the axis of rotation (39) fixed connection that is close.
2. A digital television set-top box according to claim 1, characterized in that: air blower (2) is installed to base (1) upside, and carriage release lever (11) other end fixed connection base (1), driving piece is connected to first driving shaft (16) one end, and driving rope (34) are located one side installation spring (35) of sliding tray (32) inside.
3. A digital television set-top box according to claim 2, characterized in that: limiting plate (7) is connected to the one end that lies in cleaning brush (6) upside on mounting bracket (5), and limiting plate (7) other end installation gim peg (8), gim peg (8) make limiting plate (7) and mounting bracket (5) fixed connection.
4. A digital television set-top box according to claim 3, characterized in that: a second driving gear (20) is arranged inside the left side of the upper side of the first driving gear (18) on the placing frame (3), a first straight rack (21) and a second straight rack (22) are respectively arranged on the left side and the right side of the second driving gear (20), and one ends of the first straight rack (21) and one end of the second straight rack (22) which are opposite to each other are respectively fixedly connected with a moving frame (23).
5. The digital television set-top box of claim 4, wherein: one side of the movable frame (23) close to the set top box (4) is fixedly provided with a clamping block (24), the front side and the rear side of the placement frame (3) close to the set top box (4) are provided with clamping grooves (33), and the clamping block (24) is slidably arranged in the clamping grooves (33).
6. The digital television set-top box of claim 5, wherein: the circle center position of the upper side of the second driving gear (20) is fixedly connected with a second driving shaft (19), the upper end of the left side of the placing frame (3) is provided with a handle (12), and the lower end of the handle (12) is fixedly connected with the second driving shaft (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111498257.0A CN114268819A (en) | 2021-12-09 | 2021-12-09 | Digital television set-top box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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