CN114383024A - Movable mounting rack for LED screen - Google Patents

Movable mounting rack for LED screen Download PDF

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Publication number
CN114383024A
CN114383024A CN202210154232.7A CN202210154232A CN114383024A CN 114383024 A CN114383024 A CN 114383024A CN 202210154232 A CN202210154232 A CN 202210154232A CN 114383024 A CN114383024 A CN 114383024A
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CN
China
Prior art keywords
sleeve
base
rod
mounting
ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210154232.7A
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Chinese (zh)
Other versions
CN114383024B (en
Inventor
郑金来
周东全
张晨
安向向
李硕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shangkun Construction Group Co.,Ltd.
Original Assignee
Henan Fengfan Technology Co ltd
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Publication date
Application filed by Henan Fengfan Technology Co ltd filed Critical Henan Fengfan Technology Co ltd
Priority to CN202210154232.7A priority Critical patent/CN114383024B/en
Publication of CN114383024A publication Critical patent/CN114383024A/en
Application granted granted Critical
Publication of CN114383024B publication Critical patent/CN114383024B/en
Active legal-status Critical Current
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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
    • 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
    • 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
    • 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 belongs to the technical field of the mounting bracket and specifically relates to a portable mounting bracket of LED screen is related to, it includes the base, set up in a plurality of removal wheels of base bottom, along vertical direction set up 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 the fixed sleeve of base, slide peg graft in support column in the fixed sleeve, set up in support column bottom terminal surface just along the screw hole that its length direction extends, 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. This application has the effect of being convenient for highly adjusting the mounting bracket.

Description

Movable mounting rack for LED screen
Technical Field
The application relates to the field of mounting brackets, in particular to a movable mounting bracket for an LED screen.
Background
With the rapid development of the market of the LED display screen at present, the using and mounting environment of the LED display screen is also greatly changed. Most of the customers propose to make the installation of the LED display screen light and thin, thereby saving the field use space of the customers. The existing LED display screen has three mounting modes; the first is a fixed installation, which has the advantage of stability and the disadvantage of requiring a large amount of on-site space for the customer. The second is hoist and mount installation, and the advantage of this kind of mode is can make the LED display screen need not fix on ground, and if the customer has the object to put on ground, can use this kind of mounting means, and the shortcoming is that installation and later maintenance are difficult, has certain safety risk simultaneously. The third installation mode is movable installation, and the installation mode has the advantages that the use space of a client is saved, and meanwhile, the convenience and the later maintenance safety can be guaranteed.
Through the retrieval, chinese utility model patent that application number is CN201720327641.7 discloses a television bracket, and it includes the base, be provided with the universal wheel of subsidiary service brake on the base, be fixed with scalable and locking length's vertical pillar on the base, be provided with the bearing board that is used for placing the television accessory and be used for fixed television and provide the link plate of television horizontal migration ability on the pillar.
Aiming at the related technologies, the inventor thinks that the upright columns in the scheme need to be adjusted and locked in length in sequence, so that the operation is complex and the efficiency is low.
Disclosure of Invention
In order to facilitate the height to the mounting bracket to adjust, this application provides a portable mounting bracket of LED screen.
The application provides a portable mounting bracket of LED screen adopts following technical scheme:
the utility model provides a portable mounting bracket of LED screen, include the base, set up in a plurality of removal wheels of base bottom, along vertical direction set up 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 the fixed sleeve of base, slide peg graft in support column in the fixed sleeve, set up in support column bottom terminal surface just along the screw hole that its length direction extends, 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, two groups of the telescopic rods are arranged on the base side by side.
Preferably, the driving piece is including seting up in the base is inside and communicate in fixed sleeve's installation cavity, respectively set up in installation intracavity wall and the coaxial fixed connection of one-to-one in two driven gear of lift lead screw bottom, set up between two driven gear and mesh respectively in two driven gear's driving gear, fixed connection in the driving gear just stretches out the rotation handle to the base top.
Preferably, an adjusting mechanism is arranged between the telescopic rod and the mounting rack, the adjusting mechanism comprises a connecting rod, a rotating sleeve, a first connecting ring and a second connecting ring, wherein one end of the connecting rod is hinged to the supporting column, the other end of the connecting rod is hinged to the mounting rack, the rotating sleeve is rotatably connected to the connecting rod, the first connecting ring and the second connecting ring are respectively in threaded connection with the outer wall of the rotating sleeve, one end of the first supporting rod is hinged to the supporting column, the other end of the first supporting rod is hinged to the first connecting ring, one end of the second supporting rod is hinged to the mounting rack, the outer wall of the rotating sleeve is provided with a regular thread section close to the supporting column and a reverse thread section close to the mounting rack, the first connecting ring and the second connecting ring are respectively in threaded connection with the regular thread section and the reverse thread section, and a first triangular connecting rod structure is formed below the connecting rod by matching among the first supporting rod, the rotating sleeve and the supporting column, the second bracing piece, rotate and cooperate between sleeve and the mounting bracket and form the second triangle-shaped link structure that is located the connecting rod top, first triangle-shaped link structure and second triangle-shaped link structure are similar triangle-shaped, and the ratio of first bracing piece and second bracing piece length equals the ratio of normal thread section and anti-thread section pitch.
Preferably, a synchronous transmission part is arranged between the rotating sleeves in the two groups of adjusting mechanisms.
Preferably, the synchronous transmission part comprises a connecting support respectively connected to the rotating sleeve, a synchronizing shaft with two ends rotatably supported on the connecting support at two sides, a first helical gear respectively and coaxially fixedly connected to the rotating sleeve, and a second helical gear respectively and coaxially fixedly connected to two ends of the synchronizing shaft and correspondingly meshed with the first helical gear, the connecting support is respectively provided with a first connecting hole and a second connecting hole which are communicated, the rotating sleeve is respectively and rotatably connected in the first connecting hole, and two ends of the synchronizing shaft are respectively and rotatably connected in the second connecting hole.
Preferably, the second support rod is of a telescopic rod structure and comprises a connecting sleeve, a driving ring, an adjusting rod and an axial connecting piece, wherein the end part of the connecting sleeve is hinged to the mounting frame, the driving ring is rotatably connected to the end face, far away from the mounting frame, of the connecting sleeve, the adjusting rod is inserted into the connecting sleeve in a sliding mode 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 includes a limiting groove which is opened on the end face of the fixing sleeve far away from the mounting frame and extends annularly around the circumference of the fixing sleeve, and a limiting ring which is coaxially and fixedly connected with the end face of the driving ring and is rotatably connected in the limiting groove.
Preferably, the mounting panel include the mounting panel, respectively sliding connection in a plurality of installation poles of mounting panel, installation pole fixedly connected with hangs and locates the couple at mounting panel top and the limiting plate that is located the mounting panel below, threaded connection has on the limiting plate and is located the mounting panel is close to the spacing bolt of telescopic link one side.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the overall height of the mounting frame needs to be adjusted, the rotating handle is rotated, the rotating handle is matched with the driving gear and the driven gear, the lifting screw rods in the two groups of telescopic rods synchronously rotate, and the two support columns synchronously lift under the matching of the threaded holes, so that the height of the mounting frame is adjusted, and a user can conveniently operate the mounting frame;
2. when the height of the mounting rack needs to be further adjusted, the synchronous shaft drives the rotating sleeves of the two adjusting mechanisms to synchronously rotate through the first bevel gear and the second bevel gear by matching the two adjusting mechanisms arranged at the tops of the two telescopic rods and rotates the synchronous shaft, the first connecting ring and the second connecting ring move close to or away from each other under the matching of the normal thread section and the reverse thread section, and the first triangular connecting rod structure and the second triangular connecting rod structure are always kept in similar triangular structures 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 because the length ratio of the first supporting rod to the second supporting rod is equal to the pitch ratio of the normal thread section to the reverse thread section, namely, the adjusting mechanisms always keep communicated poses in the process of driving the mounting rack to turn over, the rotation does not occur, so that the operation of adjusting the angle of the mounting rack again by a user is reduced, and the use is convenient;
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 in threaded connection with the driving rings and the driving rings rotate relatively, the adjusting rods extend out of or retract into the connecting sleeves under the cooperation of the axial connecting pieces, the mounting frame is driven to turn over, and a user can turn over the mounting frame only under the condition that the two driving rings rotate synchronously through a synchronous adjusting mechanism of the two second supporting rods, so that the possibility that the angle of the mounting frame changes under the condition of external factors is reduced, and the mounting frame is more stable;
4. under the matching of the limiting groove and the limiting ring, the axial limiting is carried out between the connecting sleeve and the driving ring, the driving ring and the connecting sleeve can rotate relatively in the circumferential direction, and the connecting relation 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 adjust the interval between the installation pole, thereby be applicable to the installation of the screen of more model specifications, and through the cooperation of limiting plate and spacing bolt, make the relation of connection between mounting panel and the installation pole more stable.
Drawings
Fig. 1 is a schematic view of the overall structure of the present embodiment.
Fig. 2 is an overall sectional view of the present embodiment.
Fig. 3 is a partially enlarged view of a portion a in fig. 1.
Fig. 4 is a schematic view of the transmission structure of the synchronizing shaft and the rotating sleeve in the embodiment.
Fig. 5 is a sectional view of the second support rod portion in this embodiment.
Description of reference numerals: 1. a base; 2. a moving wheel; 3. a telescopic rod; 4. a mounting frame; 6. fixing the sleeve; 7. a support pillar; 8. a threaded hole; 9. a lifting screw rod; 10. a drive member; 11. a mounting cavity; 12. a driven gear; 13. a driving gear; 14. rotating the handle; 15. an adjustment mechanism; 16. a connecting rod; 17. rotating the sleeve; 18. a first connecting ring; 19. a second connection 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. connecting a support; 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. adjusting a rod; 34. an axial connector; 35. a limiting groove; 36. a limiting ring; 37. mounting a plate; 38. mounting a rod; 39. hooking; 40. a limiting plate; 41. and a limiting bolt.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses portable mounting bracket of LED screen. Referring to fig. 1-5, a portable mounting bracket of LED screen includes base 1, set up in a plurality of removal wheels 2 of base 1 bottom, set up in telescopic link 3 of base 1 along vertical direction, connect in the mounting bracket 4 that is used for connecting the screen on telescopic link 3 upper portion, wherein, remove wheel 2 and preferably set up to auto-lock type universal wheel 5, telescopic link 3 is equipped with two sets ofly side by side on base 1 to make the support to mounting bracket 4 more stable.
The telescopic rod 3 comprises a fixing sleeve 6 fixedly connected to the base 1 along the vertical direction, a supporting column 7 inserted into the fixing sleeve 6 in a sliding mode, a threaded hole 8 formed in the end face of the bottom of the supporting column 7 and extending along the length direction of the threaded hole, a lifting screw rod 9 connected to the fixing sleeve 6 in a rotating mode and connected to the threaded hole 8 in a threaded mode, and a driving piece 10 used for driving the lifting screw rod 9 to rotate is arranged on the base 1.
The driving part 10 comprises an installation cavity 11 which is arranged inside the base 1 and communicated with the fixed sleeve 6, two driven gears 12 which are respectively arranged on the inner wall of the installation cavity 11 and 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 respectively meshed with the two driven gears 12, and a rotating handle 14 which is fixedly connected to the driving gear 13 and extends out of the upper side of the base 1.
All be equipped with adjustment mechanism 15 between telescopic link 3 and the mounting bracket 4, adjustment mechanism 15 includes that one end articulates in support column 7 and the other end articulates in the connecting rod 16 of mounting bracket 4, rotate and connect in the rotation sleeve 17 of connecting rod 16, respectively threaded connection in first connecting ring 18 and the second connecting ring 19 of rotating the outer wall of sleeve 17, one end articulates in support column 7 and the other end articulates in first bracing piece 20 of first connecting ring 18, one end articulates in mounting bracket 4 and the other end articulates in the second bracing piece 21 of second connecting ring 19.
The outer wall of the rotating sleeve 17 is provided with a regular 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 regular 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 located 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 located 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 length ratio of the first supporting rod 20 to the second supporting rod 21 is equal to the pitch ratio of the regular thread section to the reverse thread section.
Because the length ratio of the first support rod 20 to the second support rod 21 is equal to the pitch ratio of the regular thread section to the reverse thread section, the first triangular link structure 22 and the second triangular link structure 23 are always kept in the similar triangular structures 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, that is, the adjusting mechanism 15 always keeps the communicated pose and does not rotate in the process of driving the mounting frame 4 to turn.
In order to facilitate the synchronous driving of the rotating sleeves 17 in the two sets of adjusting mechanisms 15, a synchronous transmission member 24 is arranged between the rotating sleeves 17 in the two sets of adjusting mechanisms 15, the synchronous transmission member 24 comprises a connecting support 25 connected to the rotating sleeves 17 respectively, a synchronizing shaft 26 with two ends rotatably supported on the connecting supports 25 at two sides, a first helical gear 27 coaxially and fixedly connected to the rotating sleeves 17 respectively, and a second helical gear 28 coaxially and fixedly connected to two ends of the synchronizing shaft 26 respectively and correspondingly engaged with the first helical gear 27, wherein the first helical gear 27 is located between the normal thread section and the reverse thread section, the connecting support 25 is provided with a first connecting hole 29 and a second connecting hole 30 which are communicated with each other respectively, the rotating sleeves 17 are rotatably connected to the first connecting hole 29 respectively, the first helical gear 27 is located in the first connecting hole 29, two ends of the synchronizing shaft 26 are rotatably connected to the second connecting hole 30 respectively, the second beveled gear 28 is located within the second attachment bore 30.
The second support rod 21 is of a telescopic rod 3 structure, and the second support rod 21 includes a connecting sleeve 31 with an end hinged to the mounting frame 4, a driving ring 32 rotatably connected to an end surface of the connecting sleeve 31 far away from the mounting frame 4, an adjusting rod 33 inserted in the connecting sleeve 31 in a sliding manner and connected to an inner wall of the driving ring 32 in a threaded manner, and an axial connecting member 34 arranged between the driving ring 32 and the connecting sleeve 31.
When the angle of the mounting bracket 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 in the driving rings 32 and the driving rings 32 are relatively rotated, and the adjusting rods 33 extend out or retract into the connecting sleeves 31 under the matching of the axial connecting pieces 34, thereby driving the mounting bracket 4 to overturn, and through a synchronous adjusting mechanism of the two second supporting rods 21, a user can overturn the mounting bracket 4 only under the condition that the two driving rings 32 are synchronously rotated, the possibility that the angle of the mounting bracket 4 is changed due to external factors is reduced, and the mounting bracket 4 is more stable.
The axial connecting piece 34 includes a limiting groove 35 which is provided on the end surface of the fixing sleeve 6 far away from the mounting frame 4 and extends annularly around the circumference thereof, a limiting ring 36 which is coaxially and fixedly connected to the end surface of the driving ring 32 and is rotatably connected in the limiting groove 35, under the cooperation of the limiting groove 35 and the limiting ring 36, to axially limit the position between the connecting sleeve 31 and the driving ring 32, and to enable the driving ring 32 to rotate relatively to the connecting sleeve 31 in the circumferential direction, when the driving ring 32 rotates, the connection relation between the driving ring 32 and the connecting sleeve 31 is more tight.
Mounting panel 37 is including connecting in adjustment mechanism 15's mounting panel 37, respectively sliding connection is in mounting panel 37's a plurality of installation pole 38, connecting rod 16 and second bracing piece 21 tip all articulate in mounting panel 37, installation pole 38 fixedly connected with hangs couple 39 of locating mounting panel 37 top and the limiting plate 40 that is located mounting panel 37 below, threaded connection has the stop bolt 41 that is located mounting panel 37 and is close to telescopic link 3 one side on the limiting plate 40, connection through couple 39, so that adjust the interval between the installation pole 38, thereby be applicable to the installation of the screen of more model specifications, cooperation through limiting plate 40 and stop bolt 41, make the relation of connection between mounting panel 37 and the installation pole 38 more stable.
The implementation principle of the movable LED screen mounting rack of the embodiment of the application is as follows:
when the overall 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 synchronously rotate, and the two support columns 7 synchronously lift under the matching of the threaded holes 8, so that the height of the mounting frame 4 is adjusted, and a user can conveniently operate the mounting frame;
when the height of the mounting rack 4 needs to be further adjusted, the two sets of adjusting mechanisms 15 arranged at the tops of the two telescopic rods 3 are matched, the synchronizing shaft 26 is rotated to enable the synchronizing shaft 26 to drive the rotating sleeves 17 in the two sets of adjusting mechanisms 15 to synchronously rotate through the first bevel gear 27 and the second bevel gear 28, the first connecting ring 18 and the second connecting ring 19 move close to or away from each other under the matching of the normal thread section and the reverse thread section, and because the length ratio of the first supporting rod 20 to the second supporting rod 21 is equal to the pitch ratio of the normal thread section to the reverse thread section, the first triangular connecting rod structure 22 and the second triangular connecting rod structure 23 are always kept in the similar triangular structure in the process that the first connecting ring 18 and the second connecting ring 19 drive the first supporting rod 20 to the second supporting rod 21 to move, namely, in the process that the adjusting mechanisms 15 drive the mounting rack 4 to turn over, the communicating pose is always kept, and the rotation is not generated, so that the operation that a user adjusts the angle of the mounting rack 4 again is reduced, and the use is convenient.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a portable mounting bracket of LED screen which characterized in that: including base (1), set up in a plurality of removal wheel (2) of base (1) bottom, along vertical direction set up in telescopic link (3) of base (1), connect in be used for connecting mounting bracket (4) of screen on telescopic link (3) upper portion, telescopic link (3) including along vertical direction fixed connection in fixed sleeve (6) of base (1), slide peg graft in support column (7) in fixed sleeve (6), set up in support column (7) bottom terminal surface just along screw hole (8) that its length direction extends, rotate connect in fixed sleeve (6) and threaded connection in lift lead screw (9) of screw hole (8), be equipped with on base (1) and be used for driving lift lead screw (9) pivoted driving piece (10).
2. The movable mounting rack for the LED screen according to claim 1, wherein: the telescopic rods (3) are arranged on the base (1) side by side in two groups.
3. The movable mounting rack for the LED screen as claimed in claim 2, wherein: driving piece (10) including set up in base (1) inside and communicate in installation cavity (11) of fixed sleeve (6), set up respectively in installation cavity (11) inner wall and the coaxial fixed connection of one-to-one in two driven gear (12) of lift lead screw (9) bottom, set up between two driven gear (12) and mesh respectively in driving gear (13), the fixed connection of two driven gear (12) in driving gear (13) and stretch out rotation handle (14) to base (1) top.
4. The movable mounting rack for the LED screen as claimed in claim 2, wherein: the adjusting mechanisms (15) are arranged between the telescopic rod (3) and the mounting rack (4), each adjusting mechanism (15) comprises a connecting rod (16) with one end hinged to the supporting column (7) and the other end hinged to the mounting rack (4), a rotating sleeve (17) rotatably connected to the connecting rod (16), a first connecting ring (18) and a second connecting ring (19) which are respectively in threaded connection with the outer wall of the rotating sleeve (17), a first supporting rod (20) with one end hinged to the supporting column (7) and the other end hinged to the first connecting ring (18), a second supporting rod (21) with one end hinged to the mounting rack (4) and the other end hinged to the second connecting ring (19), and 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 rack (4), first connecting ring (18) and second connecting ring (19) threaded connection respectively in positive thread section and negative thread section, cooperate between first bracing piece (20), rotation sleeve (17) and support column (7) and form first triangle-shaped link structure (22) that are located connecting rod (16) below, cooperate between second bracing piece (21), rotation sleeve (17) and mounting bracket (4) and form second triangle-shaped link structure (23) that are located connecting rod (16) top, first triangle-shaped link structure (22) and second triangle-shaped link structure (23) are similar triangle-shaped, and the ratio of first bracing piece (20) and second bracing piece (21) length equals the ratio of positive thread section and negative thread section screw pitch.
5. The movable LED screen mounting frame as claimed in claim 4, wherein: a synchronous transmission piece (24) is arranged between the rotating sleeves (17) in the two groups of adjusting mechanisms (15).
6. The movable LED screen mounting frame as claimed in claim 5, wherein: synchronous drive spare (24) including connect respectively in the connecting support (25) of rotating sleeve (17), both ends rotate synchronous shaft (26) that supports in both sides connecting support (25), coaxial fixed connection respectively in first helical gear (27) of rotating sleeve (17), coaxial fixed connection respectively in synchronous shaft (26) both ends and correspond the meshing in second helical gear (28) of first helical gear (27), set up respectively on connecting support (25) and be linked together first connecting hole (29) and second connecting hole (30), rotating sleeve (17) rotate respectively connect in first connecting hole (29), synchronous shaft (26) both ends rotate respectively and connect in second connecting hole (30).
7. The movable LED screen mounting frame as claimed in claim 4, wherein: the second support rod (21) is of a telescopic rod (3) structure, and the second support rod (21) comprises a connecting sleeve (31) with an end part hinged to the mounting frame (4), a drive ring (32) rotatably connected to the end surface, far away from the mounting frame (4), of the connecting sleeve (31), an adjusting rod (33) inserted in the connecting sleeve (31) in a sliding mode and in threaded connection with the inner wall of the drive ring (32), and an axial connecting piece (34) arranged between the drive ring (32) and the connecting sleeve (31).
8. The movable mounting rack for the LED screen according to claim 7, wherein: the axial connecting piece (34) comprises a limiting groove (35) which is arranged on the end face of the fixing sleeve (6) far away from the mounting frame (4) and annularly extends around the circumference of the fixing sleeve, and a limiting ring (36) which is coaxially and fixedly connected with the end face of the driving ring (32) and is rotatably connected in the limiting groove (35).
9. The movable mounting rack for the LED screen according to claim 7, wherein: mounting panel (37) include mounting panel (37), respectively sliding connection in a plurality of installation pole (38) of mounting panel (37), installation pole (38) fixedly connected with hangs and locates couple (39) at mounting panel (37) top and limiting plate (40) that are located mounting panel (37) below, threaded connection has on limiting plate (40) and is located mounting panel (37) are close to stop bolt (41) of telescopic link (3) one side.
CN202210154232.7A 2022-02-21 2022-02-21 Portable mounting bracket of LED screen Active CN114383024B (en)

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

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CN114383024A true CN114383024A (en) 2022-04-22
CN114383024B CN114383024B (en) 2023-09-22

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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
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

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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

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