CN113948917B

CN113948917B - Multimedia video digital signal processing device

Info

Publication number: CN113948917B
Application number: CN202111237036.8A
Authority: CN
Inventors: 郭宁
Original assignee: Changchun Vocational Institute of Technology
Current assignee: Changchun Vocational Institute of Technology
Priority date: 2021-10-24
Filing date: 2021-10-24
Publication date: 2023-06-23
Anticipated expiration: 2041-10-24
Also published as: CN113948917A

Abstract

The invention discloses a multimedia video digital signal processing device, which belongs to the technical field of video digital signal processing devices, and comprises a box body and a signal processing module fixedly connected in the box body, wherein a connecting wire is fixedly connected to the signal processing module, a rotating shaft is rotatably connected in the box body, the connecting wire penetrates through and is wound on the rotating shaft, and a clamping plate is intermittently abutted against a plug.

Description

Multimedia video digital signal processing device

Technical Field

The invention relates to the technical field of video digital signal processing devices, in particular to a multimedia video digital signal processing device.

Background

In the use of multimedia video education, a video digital signal processing device is usually required, but the existing video digital signal processing device can meet the most basic use requirement but has to be enhanced in connection firmness and drop resistance.

For example, in daily use, the multimedia video digital signal processing device is easily touched by mistake and falls, and the falling of the device not only can lead to the falling of the device, but also can lead to the disconnection of a wire harness connected with the device, so that a video picture is lost, and meanwhile, data can be lost.

Disclosure of Invention

The invention aims to provide a multimedia video digital signal processing device which has the advantage of firm connection and solves the problems of data loss and breaking caused by false touch of the device.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a multimedia video digital signal processing device, is in including box body and fixed connection signal processing module in the box body, fixedly connected with connecting wire on the signal processing module, rotate in the box body and be connected with the pivot, the connecting wire runs through and twines and connect in the pivot, keep away from on the connecting wire signal processing module's one end fixedly connected with connecting seat, seted up on the box body with connecting seat complex through-hole, be located on the connecting seat the outside fixedly connected with mounting panel of box body, rotate on the mounting panel and be connected with the bull stick, the equal fixedly connected with in both ends of bull stick is first ring, fixedly connected with installation handle on the bull stick, fixedly connected with cardboard on the installation handle, the equal cover knot in both ends of bull stick has first torsional spring, two the both ends of first torsional spring all with first ring with mounting panel fixed connection, peg graft on the connecting seat, fixedly connected with connect external equipment's line on the plug, set up on the cardboard with the line, just the cardboard offsets with the intermittent type of connecting wire.

Preferably, the box body is fixedly connected with a vertical plate, the vertical plate is connected with a guide rod in a sliding manner, one end of the guide rod is fixedly connected with a balancing weight, the other end of the guide rod is fixedly connected with a second circular ring for preventing the guide rod from being separated from the vertical plate, a first spring is sleeved on the guide rod, and two ends of the first spring are respectively propped against the balancing weight and the vertical plate.

Preferably, the clamping plate is fixedly connected with a limiting plate, the balancing weight is intermittently abutted against the limiting plate, the limiting plate is fixedly connected with a bent inserting rod, a jack matched with the bent inserting rod is formed in the rotating shaft, and a through hole matched with the bent inserting rod is formed in the box body.

Preferably, the telescopic rod is fixedly connected in the box body, the lifting plate is fixedly connected to the bottom of the telescopic rod, the lifting plate is located at the lower portion of the connecting wire, the telescopic rod is sleeved with a second tension spring, two ends of the second tension spring are fixedly connected to the box body and the lifting plate respectively, and the lifting plate abuts against the connecting wire.

Preferably, the pivot is last fixedly connected with spacing ring, the cover knot has the second torsional spring in the pivot, the both ends of second torsional spring are respectively fixed connection the spacing ring with on the box body, keep away from in the pivot the first plectane of fixedly connected with on the one section of second torsional spring, fixedly connected with eccentric column on the first plectane, fixedly connected with second plectane on the eccentric column.

Preferably, the box body is internally fixedly connected with a piston cylinder, a piston rod is connected in a sliding manner in the piston cylinder, a connecting rod is fixedly connected to the piston rod, a hollow bar is fixedly connected to the connecting rod, an eccentric column is connected in the hollow bar in a sliding manner, an air inlet pipe and an air outlet pipe are fixedly connected to the piston cylinder, one-way valves are arranged on the air inlet pipe and the air outlet pipe, an air bag is fixedly connected to one end of the air outlet pipe, which is far away from the piston cylinder, and the air bag is fixedly connected to the box body.

Preferably, the air bag is fixedly connected with an exhaust pipe, a support is fixedly connected in the exhaust pipe, a round rod is slidably connected on the support, a round table block used for controlling gas in the air bag to exhaust from the exhaust pipe is fixedly connected on the round rod, a second spring is sleeved on the round rod, and two ends of the second spring are respectively propped against the round table block and the support.

Preferably, the box body is internally and rotatably connected with a vertical rod, an L-shaped rod is fixedly connected to the vertical rod, the L-shaped rod is intermittently abutted to the signal processing module, an air blowing pipe is fixedly connected to the exhaust pipe, one end of the air blowing pipe, which is far away from the exhaust pipe, penetrates through the box body and is fixedly connected to the L-shaped rod, a third torsion spring is sleeved on the vertical rod, two ends of the third torsion spring are respectively and fixedly connected to the L-shaped rod and the box body, a driving plate is slidably connected to the box body, two semicircular blocks are symmetrically and fixedly connected to the driving plate, the semicircular blocks are intermittently abutted to the L-shaped rod, a cylindrical shaft is coaxially and fixedly connected to the cylindrical shaft, a connecting column is fixedly connected to the box body, a rack meshed with the gear is slidably connected to the vertical plate, and the connecting column is fixedly connected to the circular table.

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

1. according to the invention, the balancing weight is arranged, so that the connection firmness between the box body and the connecting line can be enhanced when the box body is dropped due to false collision, the connecting line is released, the dropped box body is buffered, the rotating shaft rotates to drive the piston cylinder to inflate the air bag when the box body drops through arranging the air bag, the air bag is inflated to contact with the ground to buffer the box body, and meanwhile, the L-shaped rod and the air blowing pipe are arranged to further fix the signal processing module in the box body when the box body drops, and meanwhile, dust in the box body is blown away.

Drawings

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

FIG. 2 is a schematic view of the structure of the portion A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic view of the structure of the lift plate of the present invention;

FIG. 5 is a schematic view of the structure of the rotating rod of the present invention;

FIG. 6 is a schematic view of the structure of the rotating shaft of the present invention;

FIG. 7 is a schematic view of the structure of the piston cylinder of the present invention;

FIG. 8 is a schematic view of the structure of the exhaust pipe of the present invention;

FIG. 9 is a schematic view of the structure of the blow pipe of the present invention;

fig. 10 is a schematic view of the structure of the driving plate of the present invention.

In the figure: 1. a case body; 11. a telescopic rod; 12. a lifting plate; 13. a second tension spring; 14. a vertical rod; 141. a cylindrical shaft; 142. a gear; 143. a riser; 15. an L-shaped rod; 16. a third torsion spring; 2. a signal processing module; 21. a connecting wire; 3. a mounting plate; 31. a connecting seat; 32. connecting wires; 33. a plug; 34. a clamping plate; 342. a limiting plate; 343. bending the inserted bar; 35. a mounting handle; 36. a rotating rod; 361. a first ring; 362. a first torsion spring; 4. a rotating shaft; 41. a limiting ring; 42. a second torsion spring; 43. a first circular plate; 431. an eccentric column; 432. a second circular plate; 44. a piston cylinder; 45. an air inlet pipe; 46. an air outlet pipe; 47. a one-way valve; 48. a piston rod; 481. a connecting rod; 482. hollow strips; 5. balancing weight; 51. a guide rod; 52. a second ring; 53. a first spring; 54. a vertical plate; 6. an air bag; 7. an exhaust pipe; 71. a bracket; 72. round table blocks; 73. a round bar; 74. a second spring; 75. a connecting column; 76. a rack; 8. a driving plate; 81. a semicircle block; 82. and (3) an air blowing pipe.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

The invention provides a technical scheme that: the utility model provides a multimedia video digital signal processing device, including box body 1 and fixed connection signal processing module 2 in box body 1, fixedly connected with connecting wire 21 on the signal processing module 2, box body 1 internal rotation is connected with pivot 4, connecting wire 21 runs through and twines and connect on pivot 4, the one end fixedly connected with connecting seat 31 that keeps away from signal processing module 2 on the connecting wire 21, set up on the box body 1 with connecting seat 31 complex through-hole, be located the outside fixedly connected with mounting panel 3 of box body 1 on the connecting seat 31, rotationally be connected with bull stick 36 on the mounting panel 3, the equal fixedly connected with first ring 361 in both ends of bull stick 36, fixedly connected with mounting handle 35 on the mounting handle 35, fixedly connected with cardboard 34 on the both ends of bull stick 36 all overlap the knot has first torsional spring 362, the both ends of two first torsional springs 362 all are fixedly connected with first ring 361 and mounting panel 3, peg graft and be connected with plug 33 on the connecting seat 31, fixedly connected with connects line 32 of external equipment on the plug 33, set up on the cardboard 34 with line 32 complex groove, and interval offset with plug 33.

Referring to fig. 1, 3, 5 and 6, the clamping plate 34 is lifted, the balancing weight 5 is pushed, the balancing weight 5 is released after the limiting plate 342 on the clamping plate 34 moves to the position of the balancing weight 5, at this time, the balancing weight 5 is reset and the limiting plate 342 is positioned under the action of the first spring 53, at this time, the position of the clamping plate 34 is fixed, the clamping plate 34 drives the rotating rod 36 to rotate through the fixedly connected mounting handle 35 when the clamping plate 34 is lifted, at this time, the first circular rings 361 at two ends of the rotating rod 36 synchronously rotate with the rotating rod 36, and as two ends of the first torsion spring 362 are respectively fixedly connected to the first circular rings 361 and the mounting plate 3, the rotation of the rotating rod 36 further enables the first torsion spring 362 to have potential energy, at this time, the connecting seat 31 is not blocked by the clamping plate 34, and the plug 33 can be inserted onto the connecting seat 31.

The box body 1 is fixedly connected with a vertical plate 54, the vertical plate 54 is connected with a guide rod 51 in a sliding manner, one end of the guide rod 51 is fixedly connected with a balancing weight 5, the other end of the guide rod 51 is fixedly connected with a second circular ring 52 for preventing the guide rod 51 from being separated from the vertical plate 54, the guide rod 51 is sleeved with a first spring 53, two ends of the first spring 53 respectively prop against the balancing weight 5 and the vertical plate 54, the clamping plate 34 is fixedly connected with a limiting plate 342, the balancing weight 5 intermittently props against the limiting plate 342, a bent inserting rod 343 is fixedly connected onto the limiting plate 342, an inserting hole matched with the bent inserting rod 343 is formed in the rotating shaft 4, and a through hole matched with the bent inserting rod 343 is formed in the box body 1.

Referring to fig. 1, 3 and 5, if the box body 1 is touched by mistake and the box body 1 makes the box body 1 move in a free falling way, the end, far away from the plug 33, of the box body 1 is affected by the connection of the connecting wire 32 and the connecting seat 31, and the descending speed of the box body 1 is instantaneously reduced when the connecting wire 32 is completely straightened, the counterweight 5 extrudes the first spring 53 under the inertia action of the counterweight 5, meanwhile, the counterweight 5 is not blocked by the limiting plate 342, at this time, the rotating rod 36 rotates in the opposite direction under the action of the first torsion spring 362, and as the rotating rod 36 is connected with the clamping plate 34 through the mounting handle 35, the clamping plate 34 swings towards the direction of the plug 33, pressure is applied to the plug 33, so that the plug 33 can be stably inserted on the connecting seat 31, and signal transmission interruption caused by the separation of the plug 33 from the connecting seat 31 is avoided, so that normal use is affected.

Example two

On the basis of the first embodiment, further, a telescopic rod 11 is fixedly connected in the box body 1, a lifting plate 12 is fixedly connected to the bottom of the telescopic rod 11, the lifting plate 12 is located at the lower portion of the connecting wire 21, a second tension spring 13 is sleeved on the telescopic rod 11, two ends of the second tension spring 13 are fixedly connected to the box body 1 and the lifting plate 12 respectively, and the lifting plate 12 abuts against the connecting wire 21.

Referring to fig. 3 to 6, when the connection wire 21 is released, the connection wire 21 between the signal processing module 2 and the rotating shaft 4 is released at the same time, since the lifting plate 12 is positioned at the lower part of the connection wire 21, and then the lifting plate 12 is lifted upwards under the action of the second tension spring 13 when the connection wire 21 is loosened, the loosened connection wire 21 is dragged upwards, so that the connection wire 21 is not easy to break dead knots, the release of the connection wire 21 is not affected, the force generated by the second tension spring 13 is smaller than the force of the second torsion spring 42, and the lifting plate 12 driven to rise by the second tension spring 13 does not affect the rotation storage of the rotating shaft 4 driven by the torsion force of the second torsion spring 42, of the connection wire 21.

The rotating shaft 4 is fixedly connected with a limiting ring 41, the rotating shaft 4 is sleeved with a second torsion spring 42, two ends of the second torsion spring 42 are respectively and fixedly connected with the limiting ring 41 and the box body 1, a section of the rotating shaft 4, which is far away from the second torsion spring 42, is fixedly connected with a first circular plate 43, the first circular plate 43 is fixedly connected with an eccentric column 431, and the eccentric column 431 is fixedly connected with a second circular plate 432.

Referring to fig. 3-6, when the clamping plate 34 is turned over, the bent inserting rod 343 fixedly connected to the limiting plate 342 on the clamping plate 34 swings around the rotating rod 36 along with the limiting plate 342, so that the rotating shaft 4 can be pulled out from the rotating shaft 4, the connection between the plug 33 on the connecting wire 32 and the connecting seat 31 is reinforced after the clamping plate 34 is turned over, and then the box body 1 in a free falling state is separated from the connection with the connecting seat 31 under the action of the dead weight of the box body 1, the connecting wire 21 is released from the rotating shaft 4 under the action of the tensile force, the rotating shaft 4 overcomes the torsion force of the second torsion spring 42 to rotate, and the torsion force of the second torsion spring 42 can also block the rotation of the rotating shaft 4, so that the falling of the box body 1 can be buffered.

The box body 1 is internally fixedly connected with a piston cylinder 44, a piston rod 48 is connected in a sliding manner in the piston cylinder 44, a connecting rod 481 is fixedly connected to the piston rod 48, a hollow strip 482 is fixedly connected to the connecting rod 481, an eccentric column 431 is connected in the hollow strip 482 in a sliding manner, an air inlet pipe 45 and an air outlet pipe 46 are fixedly connected to the piston cylinder 44, one-way valves 47 are arranged on the air inlet pipe 45 and the air outlet pipe 46, an air bag 6 is fixedly connected to one end, far away from the piston cylinder 44, of the air outlet pipe 46, and the air bag 6 is fixedly connected to the box body 1.

Referring to fig. 1, 3, 4 and 7, when the rotation shaft 4 rotates, the first circular plate 43 and the second circular plate 432 fixedly connected to the rotation shaft 4 simultaneously rotate, and the first circular plate 43 is connected with the second circular plate 432 through the eccentric column 431, the eccentric column 431 slides in the hollow strip 482, and simultaneously the hollow strip 482 is connected to the piston rod 48 through the connecting rod 481, and the piston rod 48 slides in the piston cylinder 44, the piston cylinder 44 is fixedly connected to the box body 1, and further the first circular plate 43 and the second circular plate 432 rotate to drive the eccentric column 431 to reciprocate by being driven by the rotation of the first circular plate 43 when the first circular plate 43 is used as a center, and further the piston rod 48 is driven to slide in the piston cylinder 44, and since the air inlet pipe 45 and the air outlet pipe 46 fixedly connected to the piston cylinder 44 are both provided with the one-way valve 47, external air can be pumped into the piston cylinder 44, and then can enter the air bag 6 through the air outlet pipe 46, so that the inflated air bag 6 can contact with the ground to cushion the box body 1, and prevent the box body 1 from being broken by directly contacting the ground.

Example III

On the basis of the second embodiment, further, an exhaust pipe 7 is fixedly connected to the air bag 6, a support 71 is fixedly connected to the exhaust pipe 7, a round rod 73 is slidably connected to the support 71, a round table block 72 for controlling the air in the air bag 6 to be exhausted from the exhaust pipe 7 is fixedly connected to the round rod 73, a second spring 74 is sleeved on the round rod 73, and two ends of the second spring 74 are respectively abutted against the round table block 72 and the support 71.

Referring to fig. 1, 2, 3, 8, 9 and 10, after the box 1 contacts the ground for the first time, the box 1 is sprung to a certain height under the influence of the air bag 6, and is slightly vibrated to shake dust in the box 1, then the box 1 falls down again under the gravity force of the box 1, the upper surface and the lower surface of the box 1 contact the ground, referring to fig. 10, the driving plate 8 vertically sliding on the side wall of the box 1 is extruded to slide, no matter whether the driving plate 8 slides upwards or downwards, the semicircular block 81 on the driving plate 8 can contact the L-shaped rod 15 and extrude the L-shaped rod 15, so that the L-shaped rod 15 is pushed to swing around the vertical rod 14, at the moment, one end, far away from the driving plate 8, of the L-shaped rod 15 swings towards the direction of the signal processing module 2, and extrudes the signal processing module 2, so that the positions of the signal processing module 2 and the box 1 are further fixed, and the signal processing module 2 and the box 1 are prevented from being relatively displaced to vibrate or being damaged by the inner wall of the box 1.

The box body 1 is rotationally connected with a vertical rod 14, an L-shaped rod 15 is fixedly connected to the vertical rod 14, the L-shaped rod 15 is intermittently abutted against the signal processing module 2, an air blowing pipe 82 is fixedly connected to the exhaust pipe 7, one end, far away from the exhaust pipe 7, of the air blowing pipe 82 penetrates through the box body 1 and is fixedly connected to the L-shaped rod 15, a third torsion spring 16 is sleeved on the vertical rod 14, two ends of the third torsion spring 16 are respectively fixedly connected to the L-shaped rod 15 and the box body 1, a driving plate 8 is slidably connected to the box body 1, two semicircular blocks 81 are symmetrically and fixedly connected to the driving plate 8, the two semicircular blocks 81 are intermittently abutted against the L-shaped rod 15, a cylindrical shaft 141 is coaxially and fixedly connected to the vertical rod 14, a gear 142 is coaxially and fixedly connected to the cylindrical shaft 141, a vertical plate 143 is fixedly connected to the box body 1, a rack 76 meshed with the gear 142 is slidably connected to the vertical plate 143, a connecting column 75 is fixedly connected to the rack 76, and the connecting column 75 is fixedly connected to the round table block 72.

Referring to fig. 1, 2, 3, 8, 9 and 10, the vertical rod 14 rotates while the cylinder shaft 141 and the gear 142 synchronously rotate, so that the rack 76 meshed with the gear 142 can slide, and the rack 76 can enable the round table block 72 to slide towards the inside of the exhaust pipe 7 against the elastic force of the second spring 74 through the connecting column 75, at this time, air in the air bag 6 can be discharged through the exhaust pipe 7, and air in the air bag 6 is blown out from the air blowing pipe 82 after passing through the exhaust pipe 7, and because the air blowing pipe 82 is connected to the L-shaped rod 15 and swings along with the L-shaped rod 15, the air blown out by the air blowing pipe 82 can blow dust in the box body 1 in a larger range, and the blown dust is discharged through the original heat dissipation hole on the equipment.

Working principle: according to the multimedia video digital signal processing device, when the device is used, the clamping plate 34 is lifted manually, the balancing weight 5 is pushed, the balancing weight 5 is loosened after the limiting plate 342 on the clamping plate 34 moves to the position of the balancing weight 5, the balancing weight 5 is reset and the limiting plate 342 is positioned under the action of the first spring 53, the position of the clamping plate 34 is fixed, the clamping plate 34 drives the rotating rod 36 to rotate through the fixedly connected mounting handle 35 when the clamping plate 34 is lifted, at the moment, the first circular rings 361 at the two ends of the rotating rod 36 synchronously rotate with the rotating rod 36, and as the two ends of the first torsion spring 362 are respectively fixedly connected to the first circular rings 361 and the mounting plate 3, the rotation of the rotating rod 36 enables the first torsion spring 362 to have potential energy, at the moment, the connecting seat 31 is not blocked by the clamping plate 34, the plug 33 can be inserted onto the connecting seat 31, and the connecting seat 31 is used for transmitting data with the plug 33;

the limiting plate 342 is blocked by the balancing weight 5 and the bent inserting rod 343 fixedly connected to the limiting plate 342 is simultaneously inserted in the rotating shaft 4, so that the rotating shaft 4 cannot rotate, the connecting wire 21 wound on the rotating shaft 4 cannot be released, the connecting seat 31 is far away from the mounting plate 3 fixedly connected with one end of the connecting wire 21 to be attached to the box body 1, and the positions of the connecting seat 31 and the box body 1 cannot be changed.

If the box body 1 is touched by mistake and the box body 1 is made to move in a free falling manner, the end, far away from the plug 33, of the box body 1 can fall downwards under the influence of the connection position of the connecting wire 32 and the connecting seat 31, when the connecting wire 32 is completely straightened, the descending speed of the box body 1 is instantaneously reduced, the weight block 5 is enabled to extrude the first spring 53 under the inertia effect of the weight block 5, meanwhile, the weight block 5 does not block the limiting plate 342, at the moment, the rotating rod 36 rotates in the opposite direction under the effect of the first torsion spring 362, and because the rotating rod 36 is connected with the clamping plate 34 through the mounting handle 35, the clamping plate 34 swings towards the direction of the plug 33, pressure is applied to the plug 33, the plug 33 can be stably inserted on the connecting seat 31, and signal transmission interruption caused by the separation of the plug 33 from the connecting seat 31 is avoided, so that normal use is affected.

The bent inserting rod 343 fixedly connected to the limiting plate 342 on the clamping plate 34 swings along with the limiting plate 342 by taking the rotating rod 36 as the center of a circle when the clamping plate 34 turns over, so that the bent inserting rod 343 can be pulled out of the rotating shaft 4, the rotating shaft 4 can rotate at the moment, the connection between the plug 33 on the connecting wire 32 and the connecting seat 31 is reinforced after the clamping plate 34 turns over, the box body 1 in a free falling state is further subjected to the self-weight action of the self-weight action, so that the box body 1 is separated from the connection with the connecting seat 31, the connecting wire 21 is simultaneously released from the rotating shaft 4 by pulling, the rotating shaft 4 overcomes the torsion force of the second torsion spring 42 and rotates, the torsion force of the second torsion spring 42 can also play a blocking role on the rotation of the rotating shaft 4, the falling of the box body 1 can be buffered, the connecting wire 21 between the signal processing module 2 and the rotating shaft 4 is simultaneously released when the connecting wire 21 is released, and the connecting wire 21 is pulled upwards under the action of the second tension spring 13 when the connecting wire 21 is released, so that the connecting wire 21 is pulled upwards by the lifting plate 12 when the connecting wire 21 is in the lower part of the connecting wire 21, and the connecting wire 21 is not easily released, and the connecting wire 21 is not easy to be further released;

the force generated by the second tension spring 13 is smaller than that of the second torsion spring 42, so that the lifting plate 12 driven to rise by the second tension spring 13 cannot influence the rotation storage of the connecting wire 21 driven by the torsion force of the second torsion spring 42.

The signal processing module 2 is composed of a video processing unit, a micro processing unit, a flash memory unit, a clock generating unit, a frame buffer unit, and the model of the signal processing module is SWHC-1616HD.

When the rotating shaft 4 rotates, the first circular plate 43 and the second circular plate 432 which are fixedly connected to the rotating shaft 4 rotate simultaneously, the first circular plate 43 is connected with the second circular plate 432 through the eccentric column 431, the eccentric column 431 slides in the hollow strip 482, meanwhile, the hollow strip 482 is connected with the piston rod 48 through the connecting rod 481, the piston rod 48 slides in the piston cylinder 44, the piston cylinder 44 is fixedly connected to the box body 1, the first circular plate 43 and the second circular plate 432 rotate to drive the eccentric column 431 to rotate by taking the first circular plate 43 as a center of a circle, the hollow strip 482 can be driven to slide reciprocally, the piston rod 48 is driven to slide in the piston cylinder 44, and as the air inlet pipe 45 and the air outlet pipe 46 which are fixedly connected to the piston cylinder 44 are both provided with the one-way valve 47, external air can be pumped into the piston cylinder 44, and then can enter the air bag 6 through the air outlet pipe 46, so that the air bag 6 can be inflated, and the inflated air bag 6 can be contacted with the box body 1 to buffer the ground, and prevent the box body 1 from being broken by direct contact with the ground;

the box body 1 is sprung up to a certain height under the influence of the air bag 6 after contacting the ground for the first time, meanwhile, the dust in the box body 1 is shaken off under the influence of slight vibration, then the box body 1 falls down again under the gravity of the box body 1, the upper surface and the lower surface of the box body 1 are contacted with the ground at the moment, referring to fig. 10, the driving plate 8 vertically sliding on the side wall of the box body 1 is extruded to slide, the semicircular block 81 on the driving plate 8 can be contacted with the L-shaped rod 15 and extrude the L-shaped rod 15, so that the L-shaped rod 15 is pushed to swing around the vertical rod 14, at the moment, one end of the L-shaped rod 15 far away from the driving plate 8 swings towards the direction of the signal processing module 2, and extrudes the signal processing module 2, so that the positions of the signal processing module 2 and the box body 1 are further fixed, and the signal processing module 2 and the box body 1 are prevented from being relatively displaced to vibrate or from being impacted and damaged with the inner wall of the box body 1;

the cylinder shaft 141 and the gear 142 synchronously rotate when the vertical rod 14 rotates, the rack 76 meshed with the gear 142 can slide, the rack 76 can enable the round table block 72 to overcome the elasticity of the second spring 74 through the connecting column 75 to slide towards the inside of the exhaust pipe 7, at the moment, air in the air bag 6 can be discharged through the exhaust pipe 7, and air in the air bag 6 is blown out from the air blowing pipe 82 after passing through the exhaust pipe 7, and the air blowing pipe 82 is connected to the L-shaped rod 15 and swings along with the L-shaped rod 15, so that the air blown out by the air blowing pipe 82 can blow dust in the box body 1 in a larger range, and the blown dust is discharged through the original radiating hole on the equipment.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 multimedia video digital signal processing device, includes box body (1) and fixed connection signal processing module (2) in box body (1), its characterized in that: the signal processing module (2) is fixedly connected with a connecting wire (21), the box body (1) is rotationally connected with a rotating shaft (4), the connecting wire (21) penetrates through and is connected with the rotating shaft (4) in a winding way, one end of the connecting wire (21) away from the signal processing module (2) is fixedly connected with a connecting seat (31), the box body (1) is provided with a through hole matched with the connecting seat (31), the connecting seat (31) is positioned on the outer part of the box body (1) and is fixedly connected with a mounting plate (3), the mounting plate (3) is rotationally connected with a rotating rod (36), two ends of the rotating rod (36) are fixedly connected with a first circular ring (361), two ends of the rotating rod (36) are respectively sleeved with a first torsion spring (362), two ends of the first torsion spring (362) are respectively connected with a first circular ring (361) and a connecting seat (33), the connecting seat (33) is fixedly connected with a connecting groove (32) on the connecting device (32), and the clamping plate (34) is intermittently abutted against the plug (33);

the box body (1) is fixedly connected with a vertical plate (54), the vertical plate (54) is connected with a guide rod (51) in a sliding manner, one end of the guide rod (51) is fixedly connected with a balancing weight (5), the other end of the guide rod (51) is fixedly connected with a second circular ring (52) for preventing the guide rod (51) from separating from the vertical plate (54), a first spring (53) is sleeved on the guide rod (51), and two ends of the first spring (53) are respectively propped against the balancing weight (5) and the vertical plate (54);

the clamping plate is characterized in that a limiting plate (342) is fixedly connected to the clamping plate (34), the balancing weight (5) is intermittently abutted to the limiting plate (342), a bent inserting rod (343) is fixedly connected to the limiting plate (342), a jack matched with the bent inserting rod (343) is formed in the rotating shaft (4), and a through hole matched with the bent inserting rod (343) is formed in the box body (1).

2. A multimedia video digital signal processing apparatus according to claim 1, wherein: the novel telescopic lifting device is characterized in that a telescopic rod (11) is fixedly connected in the box body (1), a lifting plate (12) is fixedly connected to the bottom of the telescopic rod (11), the lifting plate (12) is located at the lower portion of the connecting wire (21), a second tension spring (13) is sleeved on the telescopic rod (11), two ends of the second tension spring (13) are fixedly connected to the box body (1) and the lifting plate (12) respectively, and the lifting plate (12) and the connecting wire (21) are propped against each other.

3. A multimedia video digital signal processing apparatus according to claim 1, wherein: fixedly connected with spacing ring (41) on pivot (4), the cover knot has second torsional spring (42) on pivot (4), the both ends of second torsional spring (42) are in respectively fixed connection spacing ring (41) with on box body (1), keep away from on pivot (4) on the one section of second torsional spring (42) fixedly connected with first plectane (43), fixedly connected with eccentric column (431) on first plectane (43), fixedly connected with second plectane (432) on eccentric column (431).

4. A multimedia video digital signal processing apparatus according to claim 3, characterized in that: fixedly connected with piston cylinder (44) in box body (1), sliding connection has piston rod (48) in piston cylinder (44), fixedly connected with connecting rod (481) on piston rod (48), fixedly connected with hollow strip (482) on connecting rod (481), eccentric column (431) sliding connection is in hollow strip (482), fixedly connected with intake pipe (45) and outlet duct (46) on piston cylinder (44), intake pipe (45) with all be equipped with check valve (47) on outlet duct (46), keep away from on outlet duct (46) one end fixedly connected with gasbag (6) of piston cylinder (44), gasbag (6) fixed connection is in on box body (1).

5. A multimedia video digital signal processing apparatus according to claim 4, wherein: fixedly connected with blast pipe (7) on gasbag (6), fixedly connected with support (71) in blast pipe (7), sliding connection has round bar (73) on support (71), fixedly connected with is used for controlling on round bar (73) gaseous follow in gasbag (6) blast pipe (7) exhaust round platform piece (72), the cover has second spring (74) on round bar (73), the both ends of second spring (74) respectively with round platform piece (72) with support (71) offset.

6. A multimedia video digital signal processing apparatus according to claim 5, wherein: the utility model discloses a box body (1) rotation is connected with montant (14), fixedly connected with L shape pole (15) on montant (14), L shape pole (15) with signal processing module (2) intermittent type offsets, fixedly connected with gas blowing pipe (82) on blast pipe (7), gas blowing pipe (82) are kept away from one end of blast pipe (7) runs through box body (1) and fixed connection are in on L shape pole (15), the cover knot has third torsional spring (16) on montant (14), the both ends of third torsional spring (16) are in respectively fixed connection on L shape pole (15) with on box body (1), sliding connection has driving plate (8) on box body (1), symmetrical fixedly connected with two semicircle pieces (81) on driving plate (8), two semicircle pieces (81) all with L shape pole (15) intermittent type offsets, coaxial coupling cylindrical shaft (141) on montant (14), coaxial coupling (141) have on vertical shaft (142) and on rack (76) fixed connection have on vertical plate (76), the connecting column (75) is fixedly connected to the round table block (72).