CN114383024B - Portable mounting bracket of LED screen - Google Patents
Portable mounting bracket of LED screen Download PDFInfo
- Publication number
- CN114383024B CN114383024B CN202210154232.7A CN202210154232A CN114383024B CN 114383024 B CN114383024 B CN 114383024B CN 202210154232 A CN202210154232 A CN 202210154232A CN 114383024 B CN114383024 B CN 114383024B
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- Prior art keywords
- sleeve
- rod
- base
- mounting
- mounting frame
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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
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/28—Undercarriages for supports with one single telescoping pillar
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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
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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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
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
The utility model relates to the field of mounting frames, in particular to a movable mounting frame for an LED screen, which comprises a base, a plurality of movable wheels arranged at the bottom of the base, a telescopic rod arranged on the base along the vertical direction, and a mounting frame connected to the upper part of the telescopic rod and used for connecting a screen, wherein the telescopic rod comprises a fixed sleeve fixedly connected to the base along the vertical direction, a support column slidingly inserted into the fixed sleeve, a threaded hole formed in the end face of the bottom of the support column and extending along the length direction of the support column, and a lifting screw rod rotatably connected in the fixed sleeve and in threaded connection with the threaded hole, and a driving piece used for driving the lifting screw rod to rotate is arranged on the base. The utility model has the effect of being convenient for adjusting the height of the mounting frame.
Description
Technical Field
The utility model relates to the field of mounting frames, in particular to a movable mounting frame for an LED screen.
Background
With the rapid development of the current LED display screen market, the use and installation environments of the LED display screen are also greatly changed. Most of clients propose to make the installation of the LED display screen light and thin, so that the field use space of the clients is saved. Three mounting modes of the existing LED display screen are adopted; the first is a fixed installation, which has the advantage of being stable, and the disadvantage of requiring a large field space for the customer. The second is hoisting installation, the advantage of this way is that the LED display screen can be fixed on the ground, and if the customer puts objects on the ground, this installation can be used, the disadvantage is that the installation and the later maintenance are difficult, and at the same time, there is a certain safety risk. The third installation mode is movable installation, and the installation mode has the advantages of saving the use space of customers, and simultaneously being convenient for later maintenance and ensuring safety.
Through searching, the Chinese patent application No. CN201720327641.7 discloses a television bracket, which comprises a base, wherein universal wheels with foot brakes are arranged on the base, a telescopic and length-locking vertical support column is fixed on the base, and a support plate for placing television accessories and a hanging plate for fixing televisions and providing horizontal movement capability for the televisions are arranged on the support column.
Aiming at the related technology, the inventor considers that the upright posts in the scheme need to be sequentially adjusted and locked in length, so that the operation is more complicated and the efficiency is lower.
Disclosure of Invention
In order to facilitate the adjustment of the height of the mounting frame, the utility model provides a movable mounting frame for an LED screen.
The utility model provides a movable mounting rack for an LED screen, which adopts the following technical scheme:
the utility model provides a portable mounting bracket of LED screen, includes the base, set up in a plurality of removal wheels of base bottom, set up in along vertical direction in the telescopic link of base, connect in the mounting bracket that is used for connecting the screen on telescopic link upper portion, the telescopic link include along vertical direction fixed connection in fixed sleeve of base, slip peg graft in support column in the fixed sleeve, set up in support column bottom terminal surface just along its length direction extension's screw hole, rotate connect in the fixed sleeve and threaded connection in the lift lead screw of screw hole, be equipped with on the base and be used for driving lift lead screw pivoted driving piece.
Preferably, the telescopic rods are arranged on the base side by side in two groups.
Preferably, the driving piece comprises a mounting cavity which is arranged in the base and communicated with the fixing sleeve, two driven gears which are respectively arranged on the inner wall of the mounting cavity and are coaxially and fixedly connected to the bottom end of the lifting screw rod in a one-to-one correspondence manner, a driving gear which is arranged between the two driven gears and is respectively meshed with the two driven gears, and a rotating handle which is fixedly connected with the driving gear and extends out to the upper side of the base.
Preferably, the telescopic link with all be equipped with adjustment mechanism between the mounting bracket, adjustment mechanism include one end articulated in support column and the other end articulated in the connecting rod of mounting bracket, rotate connect in rotate sleeve of connecting rod, respectively threaded connection in rotate first go-between and second go-between of sleeve outer wall, one end articulated in support column and the other end articulated in first bracing piece of first go-between, one end articulated in mounting bracket and the other end articulated in the second bracing piece of second go-between, rotate sleeve outer wall have be close to the positive screw thread section of support column and be close to the reverse screw thread section of mounting bracket, first go-between and second go-between respectively threaded connection in positive screw thread section and reverse screw thread section, cooperate between first bracing piece, rotate sleeve and the support column and form the first triangle-shaped connecting rod structure that is located the connecting rod below, cooperate between second bracing piece, rotate sleeve and the mounting bracket and form the second triangle-shaped connecting rod structure that is located the connecting rod top, first triangle-shaped connecting rod structure and second triangle-shaped structure are similar triangle-shaped, and first bracing piece and second bracing piece equal to the ratio positive screw thread section and the reverse screw thread section than the positive screw thread section of length.
Preferably, a synchronous transmission member is arranged between the rotating sleeves in the two groups of adjusting mechanisms.
Preferably, the synchronous transmission member comprises a connecting support seat connected with the rotating sleeve, a synchronous shaft with two ends rotatably supported on the connecting support seats at two sides, a first bevel gear coaxially and fixedly connected with the rotating sleeve respectively, and a second bevel gear coaxially and fixedly connected with two ends of the synchronous shaft and correspondingly meshed with the first bevel gear respectively, the connecting support seat is provided with a first connecting hole and a second connecting hole which are communicated with each other respectively, the rotating sleeve is rotatably connected with the first connecting hole respectively, and two ends of the synchronous shaft are rotatably connected with the second connecting hole respectively.
Preferably, the second support rod is of a telescopic rod structure, and comprises a connecting sleeve, a driving ring, an adjusting rod, an axial connecting piece and a connecting piece, wherein the end part of the connecting sleeve is hinged to the mounting frame, the connecting sleeve is rotationally connected to the end face of the connecting sleeve, which is far away from the mounting frame, the adjusting rod is inserted into the connecting sleeve in a sliding manner and is in threaded connection with the inner wall of the driving ring, and the axial connecting piece is arranged between the driving ring and the connecting sleeve.
Preferably, the axial connecting piece comprises a limiting groove which is formed in the end face, away from the mounting frame, of the fixing sleeve and extends annularly around the circumference of the fixing sleeve, and a limiting ring which is coaxially and fixedly connected to the end face of the driving ring and rotatably connected to the limiting groove.
Preferably, the mounting plate comprises a mounting plate and a plurality of mounting rods which are respectively and slidably connected with the mounting plate, the mounting rods are fixedly connected with hooks which are hung on the top of the mounting plate and limit plates which are located below the mounting plate, and limit bolts which are located on one side of the mounting plate close to the telescopic rods are connected with the limit plates in a threaded mode.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. when the integral height of the mounting frame is required to be adjusted, the rotating handle is rotated to enable the lifting screw rods in the two groups of telescopic rods to synchronously rotate through the cooperation of the driving gear and the driven gear, and the two support columns synchronously lift under the cooperation of the threaded holes, so that the adjustment of the height of the mounting frame is completed, and a user can conveniently operate the lifting screw rods;
2. when the height of the mounting frame needs to be further adjusted, through the cooperation of the two groups of adjusting mechanisms arranged at the tops of the two telescopic rods, the synchronous shaft drives the rotating sleeves in the two groups of adjusting mechanisms to synchronously rotate through the first bevel gear and the second bevel gear, and the first connecting ring and the second connecting ring move close to or away from each other under the cooperation of the positive thread section and the negative thread section, and as the length ratio of the first supporting rod and the second supporting rod is equal to the pitch ratio of the positive thread section and the negative thread section, in the process that the first connecting ring and the second connecting ring drive the first supporting rod and the second supporting rod to move, the first triangular connecting rod structure and the second triangular connecting rod structure always keep similar triangular structures, namely, the adjusting mechanisms always keep the communicated pose in the process that the mounting frame is driven to overturn, and do not autorotation, so that the operation of adjusting the angle of the mounting frame by a user again is reduced, and the mounting frame is convenient to use;
3. when the angle of the mounting frame needs to be adjusted, the driving rings in the two second supporting rods are synchronously rotated, so that the adjusting rods which are in threaded connection with the driving rings are relatively rotated with the driving rings, and the adjusting rods extend out of or retract into the connecting sleeve under the cooperation of the axial connecting pieces, so that the mounting frame is driven to turn over, and through a synchronous adjusting mechanism of the two second supporting rods, a user can turn over the mounting frame only under the condition of synchronously rotating the two driving rings, the possibility of changing the angle of the mounting frame under the condition of external factors is reduced, and the mounting frame is more stable;
4. under the cooperation of the limiting groove and the limiting ring, the connecting sleeve and the driving ring are limited in the axial direction, the driving ring can rotate relative to the connecting sleeve in the circumferential direction, and the connecting relationship between the driving ring and the connecting sleeve is tighter when the driving ring rotates;
5. under the cooperation of mounting panel and installation pole, through the connection of couple to be convenient for adjust the interval between the installation pole, thereby be applicable to the installation of the screen of more type specifications, and through the cooperation of limiting plate and stop bolt, make the relation of connection between mounting panel and the installation pole more stable.
Drawings
Fig. 1 is a schematic overall structure of the present embodiment.
Fig. 2 is an overall cross-sectional view of the present embodiment.
Fig. 3 is a partial enlarged view of a portion a in fig. 1.
Fig. 4 is a schematic diagram of a transmission structure of the synchronizing shaft and the rotating sleeve in the present embodiment.
Fig. 5 is a sectional view of the second support rod portion in this embodiment.
Reference numerals illustrate: 1. a base; 2. a moving wheel; 3. a telescopic rod; 4. a mounting frame; 6. a fixed sleeve; 7. a support column; 8. a threaded hole; 9. lifting the screw rod; 10. a driving member; 11. a mounting cavity; 12. a driven gear; 13. a drive gear; 14. rotating the handle; 15. an adjusting mechanism; 16. a connecting rod; 17. rotating the sleeve; 18. a first connection ring; 19. a second connecting ring; 20. a first support bar; 21. a second support bar; 22. a first triangular link structure; 23. a second triangular link structure; 24. a synchronous transmission member; 25. the connecting support is connected; 26. a synchronizing shaft; 27. a first helical gear; 28. a second helical gear; 29. a first connection hole; 30. a second connection hole; 31. a connecting sleeve; 32. a drive ring; 33. an adjusting rod; 34. an axial connector; 35. a limit groove; 36. a limiting ring; 37. a mounting plate; 38. a mounting rod; 39. a hook; 40. a limiting plate; 41. and a limit bolt.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-5.
The embodiment of the utility model discloses a movable mounting frame for an LED screen. Referring to fig. 1-5, a movable mounting frame for an LED screen includes a base 1, a plurality of moving wheels 2 disposed at the bottom of the base 1, a telescopic rod 3 disposed on the base 1 along a vertical direction, and a mounting frame 4 connected to the upper portion of the telescopic rod 3 and used for connecting the screen, wherein the moving wheels 2 are preferably set as self-locking universal wheels 5, and the telescopic rod 3 is provided with two groups side by side on the base 1, so that the support for the mounting frame 4 is more stable.
The telescopic link 3 includes along vertical direction fixed connection in the fixed sleeve 6 of base 1, slip grafting in the support column 7 of fixed sleeve 6, set up in support column 7 bottom terminal surface and along its length direction extension's screw hole 8, rotate and connect in fixed sleeve 6 and threaded connection in screw hole 8's lift lead screw 9, be equipped with on the base 1 and be used for driving lift lead screw 9 pivoted driving piece 10.
The driving piece 10 comprises a mounting cavity 11 which is arranged in the base 1 and is communicated with the fixed sleeve 6, two driven gears 12 which are respectively arranged on the inner wall of the mounting cavity 11 and are coaxially and fixedly connected to the bottom end of the lifting screw rod 9 in one-to-one correspondence, a driving gear 13 which is arranged between the two driven gears 12 and is respectively meshed with the two driven gears 12, and a rotating handle 14 which is fixedly connected with the driving gear 13 and extends out to the upper side of the base 1.
The telescopic link 3 and the mounting frame 4 are respectively provided with an adjusting mechanism 15, and the adjusting mechanism 15 comprises a connecting rod 16, a rotating sleeve 17, a first connecting ring 18 and a second connecting ring 19, a first supporting rod 20, a second supporting rod 21 and a second supporting rod 21, wherein one end of the connecting rod 16 is hinged to the supporting column 7, the other end of the connecting rod 16 is hinged to the mounting frame 4, the rotating sleeve 17 is connected to the connecting rod 16 in a rotating mode, the first connecting ring 18 and the second connecting ring 19 are respectively connected to the outer wall of the rotating sleeve 17 in a threaded mode, one end of the first supporting rod 20 is hinged to the supporting column 7, the other end of the first supporting rod is hinged to the first connecting ring 18, and one end of the second supporting rod 21 is hinged to the mounting frame 4, and the other end of the second supporting rod is hinged to the second connecting ring 19.
The outer wall of the rotating sleeve 17 is provided with a positive thread section close to the supporting column 7 and a reverse thread section close to the mounting frame 4, the first connecting ring 18 and the second connecting ring 19 are respectively in threaded connection with the positive thread section and the reverse thread section, the first supporting rod 20, the rotating sleeve 17 and the supporting column 7 are matched to form a first triangular connecting rod structure 22 positioned below the connecting rod 16, the second supporting rod 21, the rotating sleeve 17 and the mounting frame 4 are matched to form a second triangular connecting rod structure 23 positioned above the connecting rod 16, the first triangular connecting rod structure 22 and the second triangular connecting rod structure 23 are similar triangles, and the ratio of the lengths of the first supporting rod 20 and the second supporting rod 21 is equal to the ratio of the pitches of the positive thread section and the reverse thread section.
Because the ratio of the lengths of the first support rod 20 and the second support rod 21 is equal to the ratio of the pitches of the positive thread section and the reverse thread section, in the process that the first connecting ring 18 and the second connecting ring 19 drive the first support rod 20 and the second support rod 21 to move, the first triangle connecting rod structure 22 and the second triangle connecting rod structure 23 always keep similar triangle structures, namely, the adjusting mechanism 15 always keeps a communicated pose and does not rotate in the process of driving the mounting frame 4 to overturn.
In order to facilitate synchronous driving of the rotating sleeves 17 in the two groups of adjusting mechanisms 15, a synchronous transmission member 24 is arranged between the rotating sleeves 17 in the two groups of adjusting mechanisms 15, the synchronous transmission member 24 comprises a connecting support 25 connected with the rotating sleeves 17 respectively, a synchronous shaft 26 with two ends rotatably supported on the connecting support 25 at two sides, a first bevel gear 27 coaxially and fixedly connected with the rotating sleeves 17 respectively, and a second bevel gear 28 coaxially and fixedly connected with two ends of the synchronous shaft 26 respectively and correspondingly meshed with the first bevel gear 27, wherein the first bevel gear 27 is positioned between a positive thread section and a reverse thread section, a first connecting hole 29 and a second connecting hole 30 which are communicated are respectively formed in the connecting support 25, the rotating sleeves 17 are rotatably connected in the first connecting hole 29 respectively, the first bevel gear 27 is positioned in the first connecting hole 29, two ends of the synchronous shaft 26 are rotatably connected in the second connecting hole 30 respectively, and the second bevel gear 28 is positioned in the second connecting hole 30.
The second supporting rod 21 is of a telescopic rod 3 structure, and the second supporting rod 21 comprises a connecting sleeve 31, a driving ring 32, an adjusting rod 33 and an axial connecting piece 34, wherein the end part of the connecting sleeve 31 is hinged to the mounting frame 4, the driving ring 32 is rotatably connected to the end face, far away from the mounting frame 4, of the connecting sleeve 31, the adjusting rod 33 is inserted into the connecting sleeve 31 in a sliding mode and is connected to the inner wall of the driving ring 32 in a threaded mode, and the axial connecting piece 34 is arranged between the driving ring 32 and the connecting sleeve 31.
When the angle of the mounting frame 4 needs to be adjusted, the driving rings 32 in the two second supporting rods 21 are synchronously rotated, so that the adjusting rods 33 which are in threaded connection with the driving rings 32 and the driving rings 32 are relatively rotated, and under the cooperation of the axial connecting pieces 34, the adjusting rods 33 extend out of or retract into the connecting sleeve 31, so that the mounting frame 4 is driven to overturn, and through the synchronous adjusting mechanism of the two second supporting rods 21, a user can overturn the mounting frame 4 only under the condition of synchronously rotating the two driving rings 32, the possibility of changing the angle of the mounting frame 4 under the condition of external factors is reduced, and the mounting frame 4 is more stable.
The axial connecting piece 34 comprises a limit groove 35 which is arranged on the end surface of the fixing sleeve 6, far away from the mounting frame 4, and extends annularly around the circumference of the fixing sleeve, a limit ring 36 which is coaxially and fixedly connected with the end surface of the driving ring 32 and is rotationally connected in the limit groove 35, and the axial limiting is carried out between the connecting sleeve 31 and the driving ring 32 under the cooperation of the limit groove 35 and the limit ring 36, so that the driving ring 32 can rotate relative to the connecting sleeve 31 in the circumferential direction, and the connection relationship between the driving ring 32 and the connecting sleeve 31 is tighter when the driving ring 32 rotates.
The mounting panel 37 includes the mounting panel 37 that is connected in adjustment mechanism 15, a plurality of installation poles 38 of sliding connection in mounting panel 37 respectively, connecting rod 16 and second bracing piece 21 tip all articulate in mounting panel 37, the couple 39 of locating mounting panel 37 top and the limiting plate 40 that is located mounting panel 37 below are hung to installation pole 38 fixedly connected with, threaded connection has the limiting bolt 41 that is located mounting panel 37 and is close to telescopic link 3 one side on the limiting plate 40, through the connection of couple 39, be convenient for adjust the interval between the installation pole 38, thereby be applicable to the installation of the screen of more types specification, through the cooperation of limiting plate 40 and limiting bolt 41, make the relation of connection between mounting panel 37 and the installation pole 38 more stable.
The implementation principle of the movable mounting frame for the LED screen provided by the embodiment of the utility model is as follows:
when the integral height of the mounting frame 4 needs to be adjusted, the rotating handle 14 is rotated, the rotating handle 14 is matched with the driving gear 13 and the driven gear 12, the lifting screw rods 9 in the two groups of telescopic rods 3 are synchronously rotated, and the two support columns 7 are synchronously lifted under the matching of the threaded holes 8, so that the adjustment of the height of the mounting frame 4 is completed, and the operation of a user is facilitated;
when the height of the mounting frame 4 needs to be further adjusted, through the cooperation of the two groups of adjusting mechanisms 15 arranged at the tops of the two telescopic rods 3, the synchronizing shaft 26 drives the rotating sleeves 17 in the two groups of adjusting mechanisms 15 to synchronously rotate through the first bevel gear 27 and the second bevel gear 28 by rotating the synchronizing shaft 26, and under the cooperation of the positive thread section and the reverse thread section, the first connecting ring 18 and the second connecting ring 19 are enabled to move close to or far away from each other, and as the ratio of the lengths of the first supporting rod 20 and the second supporting rod 21 is equal to the ratio of the pitches of the positive thread section and the reverse thread section, in the process that the first connecting ring 18 and the second connecting ring 19 drive the first supporting rod 20 and the second supporting rod 21 to move, the first triangular connecting rod structure 22 and the second triangular connecting rod structure 23 are always kept to be similar triangular structures, namely, the adjusting mechanisms 15 always keep a communicated pose in the process that the mounting frame 4 is driven to overturn, and rotation does not occur, so that the user can adjust the angle of the mounting frame 4 again, and the mounting frame is convenient to use.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (4)
1. The utility model provides a portable mounting bracket of LED screen which characterized in that: the lifting device comprises a base (1), a plurality of moving wheels (2) arranged at the bottom of the base (1), a telescopic rod (3) arranged on the base (1) along the vertical direction, and a mounting rack (4) connected to the upper part of the telescopic rod (3) and used for connecting a screen, wherein the telescopic rod (3) comprises a fixed sleeve (6) fixedly connected to the base (1) along the vertical direction, a support column (7) slidably inserted into the fixed sleeve (6), a threaded hole (8) formed in the end face of the bottom of the support column (7) and extending along the length direction of the support column, and a lifting screw rod (9) rotatably connected to the fixed sleeve (6) and in threaded connection with the threaded hole (8), and a driving piece (10) used for driving the lifting screw rod (9) to rotate is arranged on the base (1);
the telescopic rods (3) are arranged on the base (1) side by side in two groups;
the driving piece (10) comprises an installation cavity (11) which is arranged in the base (1) and is communicated with the fixed sleeve (6), two driven gears (12) which are respectively arranged on the inner wall of the installation cavity (11) and are coaxially and fixedly connected to the bottom end of the lifting screw rod (9) in a one-to-one correspondence manner, a driving gear (13) which is arranged between the two driven gears (12) and is respectively meshed with the two driven gears (12), and a rotating handle (14) which is fixedly connected with the driving gear (13) and extends out to the upper part of the base (1);
the telescopic link (3) with all be equipped with adjustment mechanism (15) between mounting bracket (4), adjustment mechanism (15) including one end articulated in support column (7) and the other end articulated in connecting rod (16) of mounting bracket (4), rotate connect in rotation sleeve (17) of connecting rod (16), respectively threaded connection in first go-between (18) and second go-between (19) of rotation sleeve (17) outer wall, one end articulated in support column (7) and the other end articulated in first bracing piece (20) of first go-between (18), one end articulated in mounting bracket (4) and the other end articulated in second bracing piece (21) of second go-between (19), rotation sleeve (17) outer wall have be close to support column (7) positive screw thread section and be close to the reverse screw thread section of mounting bracket (4), first go-between (18) and second go-between (19) threaded connection in positive screw thread section and reverse screw thread section respectively, first bracing piece (20), rotate between sleeve (17) and support column (7) and cooperation form between (7) and link rod (16) and be located triangle-shaped structure (21) The rotating sleeve (17) and the mounting frame (4) are matched to form a second triangular connecting rod structure (23) above the connecting rod (16), the first triangular connecting rod structure (22) and the second triangular connecting rod structure (23) are similar to triangles, and the ratio of the lengths of the first supporting rod (20) to the second supporting rod (21) is equal to the ratio of the pitches of the positive thread section and the reverse thread section;
a synchronous transmission part (24) is arranged between the rotating sleeves (17) in the two groups of adjusting mechanisms (15);
the synchronous transmission part (24) comprises a connecting support (25) which is respectively connected with the rotating sleeve (17), a synchronous shaft (26) which is rotatably supported by the connecting support (25) at two sides at two ends, a first bevel gear (27) which is respectively and fixedly connected with the rotating sleeve (17) in a coaxial manner, a second bevel gear (28) which is respectively and fixedly connected with two ends of the synchronous shaft (26) and is correspondingly meshed with the first bevel gear (27), a first connecting hole (29) and a second connecting hole (30) which are respectively communicated are respectively formed in the connecting support (25), the rotating sleeve (17) is respectively and rotatably connected with the first connecting hole (29), and two ends of the synchronous shaft (26) are respectively and rotatably connected with the second connecting hole (30).
2. The LED screen mobile mount of claim 1, wherein: the second support rod (21) is of a telescopic rod structure, the second support rod (21) comprises a connecting sleeve (31) with the end part hinged to the mounting frame (4), a driving ring (32) which is rotationally connected to the connecting sleeve (31) and away from the end face of the mounting frame (4), an adjusting rod (33) which is inserted into the connecting sleeve (31) in a sliding manner and is in threaded connection with the inner wall of the driving ring (32), and an axial connecting piece (34) which is arranged between the driving ring (32) and the connecting sleeve (31).
3. The LED screen mobile mount of claim 2, wherein: the axial connecting piece (34) comprises a limiting groove (35) which is formed in the end face, far away from the mounting frame (4), of the fixing sleeve (6) and extends annularly around the circumference of the fixing sleeve, and a limiting ring (36) which is coaxially and fixedly connected to the end face of the driving ring (32) and rotatably connected to the limiting groove (35).
4. The LED screen mobile mount of claim 2, wherein: the mounting frame (4) comprises a mounting plate (37) and a plurality of mounting rods (38) which are respectively and slidably connected with the mounting plate (37), wherein the mounting rods (38) are fixedly connected with hooks (39) which are hung on the top of the mounting plate (37) and limiting plates (40) which are positioned below the mounting plate (37), and the limiting plates (40) are connected with limiting bolts (41) which are positioned on one side, close to the telescopic rods (3), of the mounting plate (37) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210154232.7A CN114383024B (en) | 2022-02-21 | 2022-02-21 | Portable mounting bracket of LED screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210154232.7A CN114383024B (en) | 2022-02-21 | 2022-02-21 | Portable mounting bracket of LED screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114383024A CN114383024A (en) | 2022-04-22 |
| CN114383024B true CN114383024B (en) | 2023-09-22 |
Family
ID=81205337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210154232.7A Active CN114383024B (en) | 2022-02-21 | 2022-02-21 | Portable mounting bracket of LED screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114383024B (en) |
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| CN215371294U (en) * | 2021-08-05 | 2021-12-31 | 刘培献 | Building water supply and drainage pipeline installation fixing device |
| CN215553390U (en) * | 2021-05-19 | 2022-01-18 | 宁波翘楚智能设备科技有限公司 | Double-column cart television bracket |
| CN215679914U (en) * | 2021-09-18 | 2022-01-28 | 福建船政交通职业学院 | Display device for budget performance |
-
2022
- 2022-02-21 CN CN202210154232.7A patent/CN114383024B/en active Active
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| JPH0744688U (en) * | 1992-09-24 | 1995-11-28 | 楊 境銓 | Work table |
| JP3155340U (en) * | 2009-09-01 | 2009-11-12 | 秋吉 穣 | Mobile display mounting device |
| CN207687619U (en) * | 2017-12-29 | 2018-08-03 | 广东贝仕达克科技有限公司 | Regulating mechanism |
| CN210979192U (en) * | 2019-11-15 | 2020-07-10 | 深圳市英尔科技有限公司 | Environment-friendly public welfare propaganda is with portable L ED display screen |
| CN215553390U (en) * | 2021-05-19 | 2022-01-18 | 宁波翘楚智能设备科技有限公司 | Double-column cart television bracket |
| CN215371294U (en) * | 2021-08-05 | 2021-12-31 | 刘培献 | Building water supply and drainage pipeline installation fixing device |
| CN215679914U (en) * | 2021-09-18 | 2022-01-28 | 福建船政交通职业学院 | Display device for budget performance |
Also Published As
| Publication number | Publication date |
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| CN114383024A (en) | 2022-04-22 |
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Effective date of registration: 20240410 Address after: No. 602, 6th Floor, No. 49 Juyuan Road (Huaqi Juyuan International), Zhengdong New District, Zhengzhou City, Henan Province, 450000 Patentee after: Shangkun Construction Group Co.,Ltd. Country or region after: China Address before: 450000 room 1616, 16th floor, building 3, Muhua square, Zhengdong New Area, Zhengzhou City, Henan Province Patentee before: Henan Fengfan Technology Co.,Ltd. Country or region before: China |
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