CN114673906A - Multimedia display device for sports event activity planning - Google Patents
Multimedia display device for sports event activity planning Download PDFInfo
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- CN114673906A CN114673906A CN202210363710.5A CN202210363710A CN114673906A CN 114673906 A CN114673906 A CN 114673906A CN 202210363710 A CN202210363710 A CN 202210363710A CN 114673906 A CN114673906 A CN 114673906A
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- 230000000694 effects Effects 0.000 title claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000006978 adaptation Effects 0.000 claims description 9
- 230000000386 athletic effect Effects 0.000 claims description 4
- 230000008034 disappearance Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 11
- 238000006073 displacement reaction Methods 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Display Racks (AREA)
Abstract
The invention relates to the technical field of sports events and discloses a multimedia display device for the activity planning of sports events, which comprises a base, the left side and the right side of the top of the base are both fixedly connected with a supporting frame, the top of the supporting frame is fixedly connected with a connecting platform, the top of the connecting table is fixedly connected with an accommodating cover, the top of the accommodating cover is fixedly connected with a shell, the top of the connecting table is fixedly connected with a servo motor positioned in the accommodating cover, an output shaft of the servo motor is fixedly connected with a first threaded rod, one end of the first threaded rod penetrates through the accommodating cover and extends to the inner part of the shell, the outer side of the first threaded rod is fixedly connected with a driving conical wheel, the left side and the right side of the driving conical wheel are respectively meshed with a driven conical wheel, the equal fixedly connected with connecting plate in the left and right sides of connecting bench top portion, the equal bearing in one side that the connecting plate is relative is connected with the second threaded rod. This multimedia display device is used in sports event activity plan, wholly reached the purpose of being convenient for remove.
Description
Technical Field
The invention relates to the technical field of sports events, in particular to a multimedia display device for sports event activity planning.
Background
With respect to sporting events, it is generally intended to refer to regular events that are relatively scaled.
The activity scheme process of sports event sets up multimedia display device generally and puts into it in the sports field, be convenient for the sportsman watches different sports activity schemes and arranges, multimedia display device on the current market has the shortcoming of being not convenient for remove, because of traditional multimedia display device all is vertical installation on the fixed position in sports field, can't effectually carry out convenient removal, make multimedia display device often will many people to join in marriage the transport when shifting the use in a plurality of sports fields, and also hit by sports goods such as spheroid easily in the transfer process, greatly reduced multimedia display device's transfer convenience, so provide a sports event activity scheme and use multimedia display device in order to solve above-mentioned problem.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the multimedia display device for the sports event activity planning, which has the advantages of convenience in moving and the like and solves the problem that the traditional multimedia display device is inconvenient to move.
(II) technical scheme
In order to achieve the purpose of convenient movement, the invention provides the following technical scheme: a multimedia display device for sports event activity planning comprises a base, wherein the left side and the right side of the top of the base are fixedly connected with support frames, the top of each support frame is fixedly connected with a connecting table, the top of each connecting table is fixedly connected with a containing cover, the top of each containing cover is fixedly connected with a shell, the top of each connecting table is fixedly connected with a servo motor positioned in the containing cover, one end of an output shaft of each servo motor is fixedly connected with a first threaded rod which penetrates through the containing cover and extends into the shell, the outer side of each first threaded rod is fixedly connected with a driving conical wheel, the left side and the right side of each driving conical wheel are respectively meshed with a driven conical wheel, the left side and the right side of the top of each connecting table are respectively fixedly connected with a connecting plate, one side opposite to each connecting plate is respectively in bearing connection with a second threaded rod, and one side opposite to each second threaded rod is respectively fixedly connected with the driven conical wheels, the outside threaded connection of second threaded rod has horizontal screw thread piece, the bottom and the connection platform sliding connection of horizontal screw thread piece, the top fixedly connected with link of horizontal screw thread piece, the top fixedly connected with protection casing of link, the top fixedly connected with buffering subassembly of protection casing, the outside threaded connection of first threaded rod has vertical screw thread piece, the back and the shell sliding connection of vertical screw thread piece, the equal fixedly connected with one end in the left and right sides of vertical screw thread piece runs through and extends to the outside supporting shoe of shell, the equal fixedly connected with quantity in both sides is two and one end runs through and extends to the crane of connection platform bottom around the supporting shoe bottom, the bottom fixedly connected with removal subassembly of crane, the top fixedly connected with display device body of shell.
Preferably, the number of crane is four, the second threaded rod is located two in the front side crane and two rear side crane relative one side.
Preferably, the left side and the right side of the bottom of the connecting platform are both provided with channel holes, and the channel holes are matched with the lifting frames.
Preferably, the top of the base is provided with a passage port, and the passage port is matched with the moving assembly.
Preferably, the moving assembly consists of a moving plate and four wheels, and the bottom of the moving plate is fixedly connected with the four wheels.
Preferably, the buffering subassembly comprises buffer spring and sponge cushion, the top fixedly connected with quantity of protection casing is ten buffer spring, buffer spring's top fixedly connected with sponge cushion.
Preferably, the inner side wall of the longitudinal thread block is provided with a first thread groove, the first thread groove is matched with the thread strip on the outer side of the first threaded rod, the rear side wall of the inner cavity of the shell is provided with a first limiting sliding groove, the back face of the longitudinal thread block is fixedly connected with a limiting sliding block, and the first limiting sliding groove is matched with the limiting sliding block.
Preferably, the second thread groove has been seted up to the inside wall of horizontal thread piece, the thread strip looks adaptation in second thread groove and the second threaded rod outside, connect the equal fixedly connected with spacing slide in the left and right sides at bench top portion, the relative one side of spacing slide all with hold cover fixed connection, the spacing spout of second has been seted up at the top of spacing slide, the spacing balladeur train of bottom fixedly connected with of horizontal thread piece, the spacing spout of second and spacing balladeur train looks adaptation.
Preferably, the protection casing is the cuboid that inside cavity and relative one side are lacked, protection casing and display device body looks adaptation.
Preferably, the left side and the right side of the shell are both provided with strip-shaped through holes, the strip-shaped through holes are matched with the supporting blocks, and the right side of the connecting table is fixedly connected with a pushing handle.
(III) advantageous effects
Compared with the prior art, the invention provides a multimedia display device for sports event activity planning, which has the following beneficial effects:
1. this multi-media display device is used in sports event activity plan, drive first threaded rod anticlockwise rotation through starting servo motor, the first thread groove screw thread contact that the screw thread strip in the first threaded rod outside and vertical thread piece inside wall were seted up this moment, position through setting up the limit slide block and injecing vertical thread piece, can drive vertical thread piece displacement downwards, thereby the synchronous drive supporting shoe, crane and removal subassembly isotructure displacement downwards, after removal subassembly position to contact ground, at the downward displacement in-process that continues to last, the removal subassembly can be with whole equipment jack-up, make whole equipment have the mobility, the user promotes the promotion handle and can easily make whole equipment effectively remove.
2. The multimedia display device for sports event activity planning can synchronously drive the driving cone wheel to rotate clockwise while the first threaded rod rotates clockwise, the driving cone wheel is meshed with the driven cone wheel, so that the driven cone wheel rotates anticlockwise, as the driven cone wheel on the left side and the driven cone wheel on the right side are respectively arranged on the left side and the right side of the driving cone wheel, the second threaded rods on the left side and the right side can be driven to rotate oppositely, at the moment, the thread bars on the outer sides of the second threaded rods are in threaded contact with the second thread grooves formed in the inner side walls of the transverse thread blocks, the positions of the transverse thread blocks are limited by arranging the limiting sliding frames, the rotation directions of the left second threaded rods and the right second threaded rods are opposite, so that the transverse thread blocks are driven to displace towards one opposite side, and structures such as a connecting frame and a protective cover are synchronously driven to displace towards one opposite side, until the protection casing covers the display device body and implements the protection processing, and make the protection casing can carry out effectual buffer processing after pounding by the sports goods that high altitude drop down such as spheroid through setting up the buffering subassembly at last, the reinforcing is to the protection efficiency of display device body.
Drawings
FIG. 1 is a schematic structural view of a multimedia display apparatus for athletic event activity planning according to the present invention;
FIG. 2 is an enlarged view of a multimedia display apparatus for athletic event planning, shown in FIG. 1.
FIG. 3 is an enlarged view of the multimedia display apparatus for athletic event planning, shown in FIG. 1 and shown at B.
In the figure: 1. a base; 2. a support frame; 3. a connecting table; 4. an accommodating cover; 5. a housing; 6. a servo motor; 7. a first threaded rod; 8. a driving cone wheel; 9. a driven conical wheel; 10. a connecting plate; 11. a second threaded rod; 12. a transverse thread block; 13. a connecting frame; 14. a protective cover; 15. a buffer assembly; 16. a longitudinal thread block; 17. a support block; 18. a lifting frame; 19. a moving assembly; 20. the display device body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a multimedia display device for sports event activity planning comprises a base 1, a channel opening is formed at the top of the base 1, the channel opening is matched with a moving component 19, a support frame 2 is fixedly connected to the left and right sides of the top of the base 1, a connecting table 3 is fixedly connected to the top of the support frame 2, channel holes are formed at the left and right sides of the bottom of the connecting table 3, the channel holes are matched with a lifting frame 18, a containing cover 4 is fixedly connected to the top of the connecting table 3, a housing 5 is fixedly connected to the top of the containing cover 4, strip-shaped through openings are formed at the left and right sides of the housing 5, the strip-shaped through holes are matched with a support block 17, a pushing handle is fixedly connected to the right side of the connecting table 3, a servo motor 6 located inside the containing cover 4 is fixedly connected to the top of the connecting table 3, and a first threaded rod 7 is driven to rotate anticlockwise by starting the servo motor 6, at the moment, the thread strip on the outer side of the first threaded rod 7 is in threaded contact with a first thread groove formed in the inner side wall of the longitudinal thread block 16, the position of the longitudinal thread block 16 is limited by arranging a limit slider, the longitudinal thread block 16 can be driven to move downwards, so that the supporting block 17, the lifting frame 18, the moving assembly 19 and other structures can be synchronously driven to move downwards, when the moving assembly 19 is positioned to be in contact with the ground, the moving assembly 19 can jack up the whole equipment in the continuous downward displacement process, so that the whole equipment has the moving capability, a user can easily and effectively move the whole equipment by pushing a pushing handle, one end of an output shaft of the servo motor 6 is fixedly connected with the first threaded rod 7, one end of the output shaft penetrates through the accommodating cover 4 and extends to the inside of the shell 5, the driving conical wheel 8 can be synchronously driven to rotate clockwise while the first threaded rod 7 rotates clockwise, and the driving conical wheel 8 is meshed with the driven conical wheel 9, the driven cone pulley 9 rotates anticlockwise, the left driven cone pulley 9 and the right driven cone pulley 9 are respectively arranged on the left side and the right side of the driving cone pulley 8, so that the second threaded rods 11 on the left side and the right side are driven to rotate oppositely, at the moment, the threaded strips on the outer sides of the second threaded rods 11 are in threaded contact with the second threaded grooves formed in the inner side walls of the transverse threaded blocks 12, the positions of the transverse threaded blocks 12 are limited by arranging the limiting sliding frames, the rotation directions of the left second threaded rods 11 and the right second threaded rods 11 are opposite, so that the transverse threaded blocks 12 are driven to move towards one opposite side, the connecting frames 13, the protective covers 14 and other structures are synchronously driven to move towards one opposite side until the protective covers 14 cover the display device body 20 to implement protection treatment, and finally, the protective covers 14 can effectively buffer treatment after being hit by sports goods such as balls and the like which are high in altitude through arranging the buffer components 15, the protection effect on the display device body 20 is enhanced, the outer side of the first threaded rod 7 is fixedly connected with a driving conical wheel 8, the left side and the right side of the driving conical wheel 8 are respectively meshed with a driven conical wheel 9, the left side and the right side of the top of the connecting table 3 are respectively and fixedly connected with a connecting plate 10, one side, opposite to the connecting plate 10, is respectively and bearingly connected with a second threaded rod 11, one side, opposite to the second threaded rod 11, is respectively and fixedly connected with the driven conical wheel 9, the outer side of the second threaded rod 11 is in threaded connection with a transverse threaded block 12, the inner side wall of the transverse threaded block 12 is provided with a second threaded groove, the second threaded groove is matched with a threaded strip on the outer side of the second threaded rod 11, the left side and the right side of the top of the connecting table 3 are respectively and fixedly connected with a limiting sliding seat, one side, opposite to the limiting sliding seat is respectively and fixedly connected with the accommodating cover 4, the top of the limiting sliding seat is provided with a second limiting sliding groove, and the bottom of the transverse threaded block 12 is fixedly connected with a limiting sliding seat, the second limit sliding chute is matched with the limit sliding frame, the bottom of the transverse thread block 12 is in sliding connection with the connecting table 3, the top of the transverse thread block 12 is fixedly connected with a connecting frame 13, the top of the connecting frame 13 is fixedly connected with a protective cover 14, the protective cover 14 is a cuboid which is hollow inside and has a relative missing side, the protective cover 14 is matched with the display device body 20, the top of the protective cover 14 is fixedly connected with a buffer component 15, the buffer component 15 consists of buffer springs and sponge cushions, the top of the protective cover 14 is fixedly connected with ten buffer springs, the top of each buffer spring is fixedly connected with a sponge cushion, the outer side of the first threaded rod 7 is in threaded connection with a longitudinal thread block 16, the inner side wall of the longitudinal thread block 16 is provided with a first threaded groove, the first threaded groove is matched with a threaded strip on the outer side of the first threaded rod 7, the rear side wall of the inner cavity of the shell 5 is provided with a first limit sliding chute, the back fixedly connected with limit slider of vertical screw thread piece 16, first limit chute and limit slider looks adaptation, the back and 5 sliding connection of vertical screw thread piece 16, the equal fixedly connected with one end in the left and right sides of vertical screw thread piece 16 runs through and extends to the outside supporting shoe 17 of shell 5, the equal fixedly connected with quantity in both sides runs through and extends to the crane 18 of joining in marriage 3 bottoms of platform for two and one end around supporting shoe 17 bottom, the quantity of crane 18 is four, second threaded rod 11 is located between two crane 18 of front side and two crane 18 relative one sides of rear side, the bottom fixedly connected with removal subassembly 19 of crane 18, removal subassembly 19 comprises movable plate and wheel, the bottom fixedly connected with quantity of movable plate is four wheels, the top fixedly connected with display device body 20 of shell 5.
To sum up, this multimedia display device is used in sports event activity plan, drive first threaded rod 7 anticlockwise rotation through starting servo motor 6, the thread strip in the first threaded rod 7 outside this moment and the first thread groove screw thread contact that 16 inside walls of vertical thread piece were seted up, position through setting up the spacing slider limited longitudinal thread piece 16, can drive vertical thread piece 16 displacement downwards, thereby drive supporting shoe 17 in step, crane 18 and removal subassembly 19 isotructure displacement downwards, 19 positions after contact ground when removing the subassembly, in the downward displacement in-process that continues to last, removal subassembly 19 can be with whole equipment jack-up, make whole equipment have the mobility, the user promotes the handle and can easily make whole equipment carry out effective removal.
Meanwhile, when the first threaded rod 7 rotates clockwise, the driving conical wheel 8 can be synchronously driven to rotate clockwise, the driving conical wheel 8 is meshed with the driven conical wheel 9, so that the driven conical wheel 9 rotates anticlockwise, because the left driven conical wheel 9 and the right driven conical wheel 9 are respectively arranged on the left side and the right side of the driving conical wheel 8, the second threaded rods 11 on the left side and the right side can be driven to rotate oppositely, at the moment, the thread strips on the outer sides of the second threaded rods 11 are in threaded contact with the second thread grooves formed in the inner side walls of the transverse thread blocks 12, the position of the transverse thread block 12 is limited by arranging the limiting sliding frame, the rotation directions of the left second threaded rod 11 and the right second threaded rod 11 are opposite, so that the transverse thread block 12 is driven to displace towards the opposite side, and the structures such as the connecting frame 13 and the protective cover 14 are synchronously driven to displace towards the opposite side, until the protection casing 14 covers display device body 20 and implements the protection processing, and make protection casing 14 can carry out effectual buffer processing after being hit by sports goods that drop down in high altitude such as spheroid through setting up buffering subassembly 15 at last, the reinforcing is to display device body 20's protection efficiency.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
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 (10)
1. A multimedia presentation device for athletic event activity planning, comprising a base (1), characterized in that: the support frame (2) is fixedly connected to the left side and the right side of the top of the base (1), the connecting table (3) is fixedly connected to the top of the support frame (2), the accommodating cover (4) is fixedly connected to the top of the connecting table (3), the housing (5) is fixedly connected to the top of the accommodating cover (4), the servo motor (6) is fixedly connected to the top of the connecting table (3) and located inside the accommodating cover (4), one end of the output shaft of the servo motor (6) is fixedly connected to a first threaded rod (7) which penetrates through the accommodating cover (4) and extends into the housing (5), the driving cone wheel (8) is fixedly connected to the outer side of the first threaded rod (7), the driven cone wheels (9) are meshed to the left side and the right side of the driving cone wheel (8), and the connecting plate (10) is fixedly connected to the left side and the right side of the top of the connecting table (3), a second threaded rod (11) is connected to one side, opposite to the connecting plate (10), of the connecting plate in a bearing mode, one side, opposite to the second threaded rod (11), of the second threaded rod is fixedly connected with the driven conical wheel (9), the outer side of the second threaded rod (11) is connected with a transverse threaded block (12) in a threaded mode, the bottom of the transverse threaded block (12) is connected with the connecting table (3) in a sliding mode, the top of the transverse threaded block (12) is fixedly connected with a connecting frame (13), the top of the connecting frame (13) is fixedly connected with a protective cover (14), the top of the protective cover (14) is fixedly connected with a buffer component (15), the outer side of the first threaded rod (7) is connected with a longitudinal threaded block (16) in a threaded mode, the back face of the longitudinal threaded block (16) is connected with the shell (5) in a sliding mode, supporting blocks (17) with one ends penetrating through and extending to the outer portion of the shell (5) are fixedly connected to the left side and the right side of the longitudinal threaded block (16), the equal fixedly connected with quantity in both sides is two and one end runs through and extends to crane (18) of joining in marriage platform (3) bottom around supporting shoe (17) bottom, the bottom fixedly connected with of crane (18) removes subassembly (19), the top fixedly connected with display device body (20) of shell (5).
2. A multimedia presentation apparatus for a sporting event campaign plan according to claim 1, further comprising: the quantity of crane (18) is four, second threaded rod (11) are located two of front side crane (18) and two crane (18) relative one side in rear side.
3. A multimedia presentation apparatus for a sporting event campaign plan according to claim 1, further comprising: the left side and the right side of the bottom of the connecting platform (3) are both provided with channel holes, and the channel holes are matched with the lifting frames (18).
4. A multimedia presentation apparatus for a sporting event campaign plan according to claim 1, further comprising: the top of the base (1) is provided with a passage port, and the passage port is matched with the moving assembly (19).
5. A multimedia presentation apparatus for a sporting event campaign plan according to claim 1, further comprising: the moving assembly (19) is composed of a moving plate and four wheels, and the bottom of the moving plate is fixedly connected with the four wheels.
6. A multimedia presentation apparatus for a sporting event campaign plan according to claim 1, further comprising: buffer unit (15) comprise buffer spring and sponge cushion, the top fixedly connected with quantity of protection casing (14) is ten buffer spring, buffer spring's top fixedly connected with sponge cushion.
7. A multimedia presentation apparatus for a sporting event campaign plan according to claim 1, further comprising: first thread groove has been seted up to the inside wall of vertical screw block (16), the thread strip looks adaptation in first thread groove and first threaded rod (7) outside, first spacing spout has been seted up to the back lateral wall of shell (5) inner chamber, the back fixedly connected with stop block of vertical screw block (16), first spacing spout and stop block looks adaptation.
8. A multimedia presentation apparatus for a sporting event campaign plan according to claim 1, further comprising: the second thread groove has been seted up to the inside wall of horizontal screw piece (12), the thread strip looks adaptation in second thread groove and second threaded rod (11) outside, connect the equal fixedly connected with spacing slide in the left and right sides at platform (3) top, the relative one side of spacing slide all with hold cover (4) fixed connection, the spacing spout of second has been seted up at the top of spacing slide, the spacing balladeur train of bottom fixedly connected with of horizontal screw piece (12), the spacing spout of second and spacing balladeur train looks adaptation.
9. A multimedia presentation apparatus for a sporting event campaign plan according to claim 1, further comprising: protection casing (14) are inside cavity and the cuboid of relative one side disappearance, protection casing (14) and display device body (20) looks adaptation.
10. A multimedia presentation apparatus for a sporting event campaign plan according to claim 1, further comprising: the bar-shaped through holes are formed in the left side and the right side of the shell (5), the bar-shaped through holes are matched with the supporting blocks (17), and the right side of the connecting table (3) is fixedly connected with a pushing handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210363710.5A CN114673906A (en) | 2022-04-07 | 2022-04-07 | Multimedia display device for sports event activity planning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210363710.5A CN114673906A (en) | 2022-04-07 | 2022-04-07 | Multimedia display device for sports event activity planning |
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| CN114673906A true CN114673906A (en) | 2022-06-28 |
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| CN202210363710.5A Pending CN114673906A (en) | 2022-04-07 | 2022-04-07 | Multimedia display device for sports event activity planning |
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| CN114275149A (en) * | 2021-12-09 | 2022-04-05 | 国网湖北省电力有限公司咸宁供电公司 | Unmanned aerial vehicle that can adjust along with placing topography |
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