CN112901927A - Module splicing and mounting bracket and application thereof - Google Patents

Module splicing and mounting bracket and application thereof Download PDF

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Publication number
CN112901927A
CN112901927A CN202110055111.2A CN202110055111A CN112901927A CN 112901927 A CN112901927 A CN 112901927A CN 202110055111 A CN202110055111 A CN 202110055111A CN 112901927 A CN112901927 A CN 112901927A
Authority
CN
China
Prior art keywords
module
mounting bracket
hole
connecting piece
extension connecting
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.)
Pending
Application number
CN202110055111.2A
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Chinese (zh)
Inventor
蒋登斌
王娅雯
闫培祥
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.)
Shanghai Viamax Technologies Co ltd
Original Assignee
Shanghai Viamax Technologies Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Viamax Technologies Co ltd filed Critical Shanghai Viamax Technologies Co ltd
Priority to CN202110055111.2A priority Critical patent/CN112901927A/en
Publication of CN112901927A publication Critical patent/CN112901927A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention provides a module splicing and mounting bracket, and belongs to the technical field of mounting brackets. The mounting bracket comprises a module cross rod extension connecting piece, a module vertical rod extension connecting piece and a conversion piece, wherein the module cross rod extension connecting piece is used for connecting and extending two adjacent module cross rods; the module vertical rod is provided with a positioning pin which is in adaptive connection with the positioning hole and a mounting hole which is connected with the module horizontal rod through a fastening screw, and the conversion part is provided with mounting holes with different apertures. The module splicing and mounting bracket provided by the invention can ensure the accuracy of size and position during mounting, saves a large amount of manpower and material resources, and can realize quick mounting and accurate adjustment on a project site.

Description

Module splicing and mounting bracket and application thereof
Technical Field
The invention relates to the technical field of mounting brackets, in particular to a module splicing and mounting bracket.
Background
With the construction and use of various projects relating to the national civilians in national defense, municipal administration, traffic, electric power, water conservancy, mining industry, fire fighting, public safety and the like, various display technologies play an important role in different fields, so that the application of commanding and monitoring small to small community announcements is achieved, and the large screen display technology plays a great role in our society and life. With the continuous progress of science and technology and society, various display technologies are continuously developed, and LED (light emitting diode) large-size spliced screens are the most advantageous technologies in various display technologies, and the screen loading amount is increased every year.
In the installation of LED concatenation large-size screen, the technique that is used at present in a large number is: the aluminum profile is cut into materials with different lengths, and the LED mounting bracket meeting the specific engineering size is spliced. Each project takes a lot of time to make a processing drawing at the initial stage of design, and the field installation of each project takes a lot of time to adjust the positions and gaps between the LED modules, which also causes a lot of waste of manpower and material resources in material organization.
Disclosure of Invention
In view of the above, in order to solve the defects in the background art, the invention provides a module splicing mounting bracket, which can ensure the accuracy of size and position during mounting, save a large amount of manpower and material resources, and realize rapid mounting and accurate adjustment on a project site.
In order to achieve the purpose, the invention provides the following technical scheme:
a module splicing and mounting bracket comprises a module cross rod extension connecting piece, a module vertical rod extension connecting piece and a conversion piece, wherein the module cross rod extension connecting piece is used for connecting and extending two adjacent module cross rods;
the module is characterized in that the module cross rod is provided with a positioning hole and an assembling threaded hole, a middle hole plastic part with adjusting threads is arranged in the assembling threaded hole, the module vertical rod is provided with a positioning pin which is in adaptive connection with the positioning hole and a mounting hole which is connected with the module cross rod through a fastening screw, and the conversion part is provided with mounting holes with different apertures.
Preferably, the two ends of the module cross bar extension connecting piece are in threaded connection with the two adjacent module cross bars.
Preferably, the two ends of the module vertical rod extension connecting piece are respectively provided with two adjacent threaded holes for fastening and connecting the module vertical rods, the module vertical rod extension connecting piece is respectively clamped into the two adjacent profile grooves of the module vertical rods so as to be clamped with the module vertical rods, and screws penetrate through the threaded holes at the two ends of the module vertical rod extension connecting piece and are fixedly connected with the two adjacent module vertical rods.
Preferably, the top end of the middle hole plastic part is provided with an external hexagonal thick sheet.
Preferably, the adjustment thread is an M12 thread.
Preferably, the material of the mesoporous plastic part is nylon.
Preferably, the mesopores of the mesoporous plastic part are through holes with the diameter of 6.5 mm.
Preferably, one end of the adjusting screw is provided with M6 threads, and the other end is provided with a groove.
Preferably, the width of the groove is 2 mm.
The invention also provides the module splicing and mounting bracket applied to LED, mirc LED and LCD splicing large screens.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the module splicing and mounting support, due to the matching among the module transverse rods, the module vertical rods, the module transverse rod extension connecting pieces and the module vertical rod extension connecting pieces, free expansion can be realized, and the requirements of different customers on the number of rows and columns can be met conveniently. The invention can meet the installation of LED modules with different sizes and specifications and meet the requirements of different engineering projects in time.
2. The module splicing mounting bracket provided by the invention can be screwed into the module cross rod by using a tool through a mesopore plastic piece with an adjusting thread. When the mounting bracket is mounted on the project bracket, the screw thread of the mesopore plastic part can be adjusted to be screwed in to adjust the flatness of the bracket.
3. According to the module splicing and mounting bracket provided by the invention, the positioning pins on the module vertical rods, the positioning holes on the module transverse rods, the adjusting screws and the middle hole plastic part with the adjusting threads are matched, so that the accuracy of size and position during mounting can be ensured.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of another embodiment of the present invention;
FIG. 3 is a schematic view of the split structure of the present invention;
FIG. 4 is a schematic perspective view of a modular vertical post extension connector;
FIG. 5 is a schematic perspective view of a modular crossbar extension connector;
FIG. 6 is a perspective view of a plastic part with an adjustment thread;
FIG. 7 is a perspective view of the conversion member;
FIG. 8 is a perspective view of the adjustment screw;
FIG. 9 is a schematic view of the overall structure after assembly;
in the figure, 10, module vertical rods, 11, module vertical rod extension connecting pieces, 12, adjusting screws, 20, module transverse rods, 21, module transverse rod extension connecting pieces, 30, middle hole plastic pieces, 40, an LED screen, 41 and conversion pieces.
Detailed description of the invention
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1-9, the present invention provides a module splicing mounting bracket, which comprises a module cross bar extension connecting member 21 for connecting and extending two adjacent module cross bars 20, a module vertical bar extension connecting member 11 for connecting and extending two adjacent module vertical bars 10, and a converting member 41 disposed at four corner mounting positions of the module;
the module is characterized in that the module cross rod 20 is provided with a positioning hole and an assembly threaded hole, a middle hole plastic part 30 with an adjusting thread is arranged in the assembly threaded hole, the module vertical rod 10 is provided with a positioning pin which is in adaptive connection with the positioning hole and a mounting hole which is connected with the module vertical rod 10 through a fastening screw, and the conversion part 41 is provided with mounting holes with different apertures.
As shown in fig. 9, the module four-corner mounting positions refer to four corners of the module splicing mounting bracket, in the figure, the conversion parts 41 are respectively disposed at the four corners of the module splicing mounting bracket, and the arrangement manner may be integrated or riveted together by rivets, and is not limited herein, and a conventional fixing manner in the field may be selected according to actual needs.
In the present invention, the mounting holes with different apertures are formed in the converter 41, so that the adjusting screw 12 can be fastened to the converter 41 to adapt to different LED panel 40 modules.
As shown in fig. 6, in order to achieve the flatness of the module splicing mounting bracket, in the present invention, when the module splicing mounting bracket is mounted on the large screen support frame, the flatness of the module splicing mounting bracket is achieved by adjusting the screwing depth of the middle hole plastic member 30 by adjusting the screw.
In order to realize the flatness of the module installation surface, the size of the module installation surface is adjusted by adjusting the screwing depth of the screw 12, so that the flatness of the module installation surface is realized.
As shown in fig. 3 and 5, in order to obtain the module splicing mounting brackets with different row numbers and column numbers, the module crossbars 20 with the same or different specifications are extended by the module crossbar extension connecting pieces 21, so as to meet the requirement of customers on the number of rows of the spliced large screen, and in order to ensure the mounting firmness, in the present invention, two ends of the module crossbar extension connecting pieces 21 are in threaded connection with the two adjacent module crossbars 20, and other fixed connection manners known to those skilled in the art can also be adopted, for example: and (6) welding and riveting.
As shown in fig. 3 and 4, in order to obtain the module splicing mounting brackets with different line numbers and ensure firm mounting, the module vertical rods 10 with the same or different specifications are extended through the module vertical rod extension connecting pieces 11, so that the requirement of customers on the number of lines of the spliced large screen is met. In the invention, two ends of the module vertical rod extension connecting piece 11 are respectively provided with a threaded hole corresponding to two adjacent module vertical rods 10, two ends of the module vertical rod extension connecting piece 11 are respectively clamped into profile grooves of the two adjacent module vertical rods 10, and screws penetrate through the threaded holes at two ends of the module vertical rod extension connecting piece 11 to be fixedly connected with the two adjacent module vertical rods 10.
In the present invention, as shown in fig. 6, the top end of the middle hole plastic part is provided with an external hexagonal thick plate.
In the present invention, as shown in fig. 6, the adjustment screw thread is an M12 screw thread.
As shown in FIG. 6, in the present invention, the material of the plastic part with a central hole is nylon.
As shown in FIG. 6, in the present invention, the mesopore of the mesoporous plastic member is a through-hole having a diameter of 6.5 mm.
As shown in fig. 8, the set screw has M6 threads on one end and a groove on the other end to facilitate snapping into the module mounting module vertical post 10.
In the present invention, the width of the groove is 2 mm.
The invention also provides application of the module splicing and mounting bracket in splicing large screens of LEDs, mircLEDs and LCDs.
The module splicing and mounting bracket preferably comprises at least three LED module vertical rods 10 (for mounting 2 rows of LED modules) and two LED module horizontal rods 20 (for fixing the module vertical rods). After the module transverse rod 20 and the module vertical rod 10 are positioned by the positioning pin, the adjustment screw 12 is used for realizing firm connection and adjustment of flatness.
In the present invention, in order to obtain the module splicing mounting brackets with different numbers of rows and columns, the module vertical rod extension connecting pieces 11 are required to increase the number of the module mounting rows, and the module horizontal rod extension connecting pieces 21 are required to increase the number of the module mounting columns. The LED module vertical rod 10 is provided with two specifications, one specification can be provided with 3 installing lines, the other specification can be provided with 2 installing lines, and the requirements of any number of lines can be met through the combination of the two specifications. The module cross bar 20 is also provided with two specifications, one specification can be 2 according to the number of columns, the other specification can be 1 according to the number of columns, and the matching requirement of any number of columns can be met through the combination of the two specifications.
The invention provides an installation method of the module splicing installation bracket, which comprises the following steps:
taking the module installation specification 4 x 4 (the number of rows is 4, the number of columns is 4) as an example, the module vertical rod extension connecting pieces 11 are respectively arranged in the section grooves of the two module vertical rods 10, and the module vertical rod extension connecting rods 11 are connected with the module vertical rods 12 through fastening screws. Using the same method, 5-module set mullion sets were assembled. As shown in fig. 4. The module rail connectors 21 are used to load two adjacent module rails 20 and the module rail extension connecting rods 21 are connected to the module rails 20 with fastening screws. Using the same method, 4 modular cross-bar sets were assembled. As shown in fig. 4. Positioning pins arranged on the module vertical rods 10 and positioning holes of the module transverse rods 20 are utilized for positioning, and fastening screws are utilized for fastening the assembled module transverse rods 20 and the module vertical rods 10, so that the latticed support shown in fig. 1 is formed.
Put the latticed support of equipment to whole mounting bracket or wall on, utilize the mesopore working of plastics 30 adjustment latticed support dress that module horizontal pole 10 set up to whole mounting bracket or the roughness on the wall, fastening screw passes mesopore working of plastics 30, fastens latticed support to whole mounting bracket or wall on.
The conversion member 41 is attached to the four corner mounting portion of the LED panel 40 using a fastening screw, and the adjustment screw 12 is attached to a corresponding threaded hole of the conversion member 41. The height of the LED mounting plane is adjusted by adjusting the screwing position of the adjusting screw 12. As shown in fig. 9.
The assembled LED screens 40 are clamped into the LED screen mounting grooves of the module vertical bars 10 in sequence, the mounting positions are adjusted, the alignment of lines and rows of the LED screens is guaranteed, and gaps of the LED screens meet design requirements.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it is apparent to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A module splicing mounting bracket is characterized by comprising a module cross rod extension connecting piece, a module vertical rod extension connecting piece and a conversion piece, wherein the module cross rod extension connecting piece is used for connecting and extending two adjacent module cross rods;
the module is characterized in that the module cross rod is provided with a positioning hole and an assembling threaded hole, a middle hole plastic part with adjusting threads is arranged in the assembling threaded hole, the module vertical rod is provided with a positioning pin which is in adaptive connection with the positioning hole and a mounting hole which is connected with the module cross rod through a fastening screw, and the conversion part is provided with mounting holes with different apertures.
2. The modular splice mounting bracket of claim 1 wherein the module rail extension connectors are threaded at both ends to the adjacent two module rails.
3. The module splicing mounting bracket of claim 1, wherein the two ends of the module vertical rod extension connecting piece are respectively provided with a threaded hole for fastening and connecting with two adjacent module vertical rods, the module vertical rod extension connecting piece is respectively clamped into the profile grooves of two adjacent module vertical rods so as to be clamped with the module vertical rods, and screws penetrate through the threaded holes at the two ends of the module vertical rod extension connecting piece and are fixedly connected with the two adjacent module vertical rods.
4. The modular splice mounting bracket of claim 1 wherein the top end of the central bore plastic member is provided with an outer hexagonal thick piece.
5. The modular splice mounting bracket of claim 1 wherein the adjustment threads are M12 threads.
6. The modular splice mounting bracket of claim 1 wherein the mesoporous plastic member is nylon.
7. The modular splice mounting bracket of claim 1 wherein the central hole of the central hole plastic member is a through hole having a diameter of 6.5 mm.
8. The modular splice mounting bracket of claim 1 wherein the adjustment screw has M6 threads on one end and a groove on the other end.
9. The module splicing mounting bracket of claim 8, wherein the groove has a width of 2 mm.
10. The module splicing mounting bracket according to any one of claims 1-9, applied to LED, mircLED, LCD splicing large screens.
CN202110055111.2A 2021-01-15 2021-01-15 Module splicing and mounting bracket and application thereof Pending CN112901927A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110055111.2A CN112901927A (en) 2021-01-15 2021-01-15 Module splicing and mounting bracket and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110055111.2A CN112901927A (en) 2021-01-15 2021-01-15 Module splicing and mounting bracket and application thereof

Publications (1)

Publication Number Publication Date
CN112901927A true CN112901927A (en) 2021-06-04

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Application Number Title Priority Date Filing Date
CN202110055111.2A Pending CN112901927A (en) 2021-01-15 2021-01-15 Module splicing and mounting bracket and application thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114413113A (en) * 2021-12-24 2022-04-29 中航华东光电有限公司 Spliced support of micro display screen

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010050262A1 (en) * 1999-05-05 2001-12-13 Labruna Jr. Angelo J. Modular display system
CN203948911U (en) * 2014-07-24 2014-11-19 苏州市荣美工贸有限公司 A kind of adjustable liquid crystal TV/mount bracket for flat-panel display
CN203982720U (en) * 2014-07-04 2014-12-03 利亚德光电股份有限公司 Led display device
CN204347390U (en) * 2015-01-26 2015-05-20 上海启钧电子有限公司 Display module framework splicing construction
CN105869536A (en) * 2016-06-07 2016-08-17 深圳市雷迪奥视觉技术有限公司 Ultralight combined LED display screen and installation method thereof
CN208169857U (en) * 2018-03-22 2018-11-30 东莞阿尔泰显示技术有限公司 A kind of gap adjusting mechanism of LED display
CN208703511U (en) * 2018-07-03 2019-04-05 深圳市艾比森光电股份有限公司 Mounting rack and light-emitting diode display
CN208889048U (en) * 2018-07-17 2019-05-21 北京中润豪景光电科技开发有限公司 A kind of adjustable LED display screen for teaching
CN209340820U (en) * 2018-02-02 2019-09-03 深圳市海博视科技有限公司 A kind of liquid crystal-spliced screen-wall hanging installation structure
CN210240960U (en) * 2019-03-14 2020-04-03 深圳市明昌光电科技有限公司 Novel high-precision small-interval LED display screen fast-assembling bracket
CN110992848A (en) * 2019-12-27 2020-04-10 威创集团股份有限公司 LED display module flatness adjusting device
CN211715479U (en) * 2019-12-04 2020-10-20 浙江威谷光电科技有限公司 Bar module piece adjustment structure and display screen
CN212106483U (en) * 2020-04-07 2020-12-08 深德彩科技(深圳)股份有限公司 Fine adjustment device and LED display screen with same
CN212302949U (en) * 2020-06-29 2021-01-05 中山市展炜温控设备科技有限公司 Installation device for solving problem of splicing and leveling LED display screen module

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010050262A1 (en) * 1999-05-05 2001-12-13 Labruna Jr. Angelo J. Modular display system
CN203982720U (en) * 2014-07-04 2014-12-03 利亚德光电股份有限公司 Led display device
CN203948911U (en) * 2014-07-24 2014-11-19 苏州市荣美工贸有限公司 A kind of adjustable liquid crystal TV/mount bracket for flat-panel display
CN204347390U (en) * 2015-01-26 2015-05-20 上海启钧电子有限公司 Display module framework splicing construction
CN105869536A (en) * 2016-06-07 2016-08-17 深圳市雷迪奥视觉技术有限公司 Ultralight combined LED display screen and installation method thereof
CN209340820U (en) * 2018-02-02 2019-09-03 深圳市海博视科技有限公司 A kind of liquid crystal-spliced screen-wall hanging installation structure
CN208169857U (en) * 2018-03-22 2018-11-30 东莞阿尔泰显示技术有限公司 A kind of gap adjusting mechanism of LED display
CN208703511U (en) * 2018-07-03 2019-04-05 深圳市艾比森光电股份有限公司 Mounting rack and light-emitting diode display
CN208889048U (en) * 2018-07-17 2019-05-21 北京中润豪景光电科技开发有限公司 A kind of adjustable LED display screen for teaching
CN210240960U (en) * 2019-03-14 2020-04-03 深圳市明昌光电科技有限公司 Novel high-precision small-interval LED display screen fast-assembling bracket
CN211715479U (en) * 2019-12-04 2020-10-20 浙江威谷光电科技有限公司 Bar module piece adjustment structure and display screen
CN110992848A (en) * 2019-12-27 2020-04-10 威创集团股份有限公司 LED display module flatness adjusting device
CN212106483U (en) * 2020-04-07 2020-12-08 深德彩科技(深圳)股份有限公司 Fine adjustment device and LED display screen with same
CN212302949U (en) * 2020-06-29 2021-01-05 中山市展炜温控设备科技有限公司 Installation device for solving problem of splicing and leveling LED display screen module

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
刘志文: "LED显示屏装置结构设计", 《科技信息》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114413113A (en) * 2021-12-24 2022-04-29 中航华东光电有限公司 Spliced support of micro display screen

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