CN112178014A - Coupling device, box body, method and LED display screen - Google Patents

Coupling device, box body, method and LED display screen Download PDF

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Publication number
CN112178014A
CN112178014A CN202011020044.2A CN202011020044A CN112178014A CN 112178014 A CN112178014 A CN 112178014A CN 202011020044 A CN202011020044 A CN 202011020044A CN 112178014 A CN112178014 A CN 112178014A
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CN
China
Prior art keywords
box body
hook
coupling
frame
coupling device
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Pending
Application number
CN202011020044.2A
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Chinese (zh)
Inventor
王春龙
何昆鹏
王启权
吴振志
吴涵渠
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.)
Shenzhen Aoto Electronics Co Ltd
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Shenzhen Aoto Electronics Co Ltd
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Publication date
Application filed by Shenzhen Aoto Electronics Co Ltd filed Critical Shenzhen Aoto Electronics Co Ltd
Priority to CN202011020044.2A priority Critical patent/CN112178014A/en
Publication of CN112178014A publication Critical patent/CN112178014A/en
Pending 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004—Joining sheets, plates or panels in abutting relationship
    • F16B5/0032—Joining sheets, plates or panels in abutting relationship by moving the sheets, plates, or panels or the interlocking key parallel to the abutting edge
    • F16B5/0036—Joining sheets, plates or panels in abutting relationship by moving the sheets, plates, or panels or the interlocking key parallel to the abutting edge and using hook and slot or keyhole-type connections
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/0004—Joining sheets, plates or panels in abutting relationship
    • F16B5/0084—Joining sheets, plates or panels in abutting relationship characterised by particular locking means
    • 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
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/83—Use of a magnetic material

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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)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The invention relates to a coupling device, a box body, a method and an LED display screen, wherein the device comprises: an upper coupling device and a lower coupling device; the upper coupling device comprises an upper deflection knob, an upper coupling rotating tooth hook, an upper spring, an upper ejecting ball and an upper restraining ratchet; the upper top bead is fixed at one end of the upper spring and is connected with the upper inhibition ratchet wheel, and the upper inhibition ratchet wheel is meshed with the upper coupling rotating tooth hook; the lower coupling device comprises a lower deflection knob, a lower coupling rotating tooth hook, a lower spring, a lower ejecting ball and a lower restraining ratchet wheel; one end of the lower spring is fixed with a lower ejection ball which is connected with the lower inhibition ratchet wheel, the lower inhibition ratchet wheel is meshed with the lower coupling rotating tooth hook, and the other end of the lower coupling rotating tooth hook is connected with the upper coupling rotating tooth hook of the upper coupling device corresponding to the other box body; the LED display screen box body automatic splicing locking device has the advantages that the LED display screen box body is automatically spliced and locked up and down, linked and limited left and right, the box body is automatically spliced, and time and labor are saved.

Description

Coupling device, box body, method and LED display screen
Technical Field
The invention belongs to the technical field of splicing of LED display screens, and particularly relates to a coupling device, a box body, a method and an LED display screen.
Background
The LED display screen is composed of a plurality of LED lease display screen boxes. The boxes are spliced through the splicing lock catch, and the splicing is finished through manually operating the lock catch. The splicing lock catch comprises an upper splicing lock catch, a lower splicing lock catch, a left splicing lock catch and a right splicing lock catch; the splicing lock catch is opened and closed by means of manual operation, acting force is applied to the lock catch handle by people, time and labor are wasted, and the splicing accuracy is to be improved. In the LED display screen lease market, the splicing and the disassembling of the LED display screen box body need to be frequently operated, especially in the application occasion of a large-scale LED display screen, the problem is more prominent, the installation and maintenance efficiency of the LED display screen is seriously reduced, the flatness of the LED display screen is influenced, and the LED display screen is not beneficial to improving the display quality.
Disclosure of Invention
The invention aims to provide a coupling device, a box body, a method and an LED display screen to solve the technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
an embodiment of the present invention provides a coupling apparatus, including: an upper coupling device and a lower coupling device;
the upper coupling device comprises an upper deflection knob, an upper coupling rotating tooth hook, an upper spring, an upper ejecting ball and an upper restraining ratchet; the upper pressing bead is fixed at one end of the upper spring and is connected with the upper restraining ratchet wheel, the upper restraining ratchet wheel is meshed with the upper coupling rotating tooth hook, and the other end of the upper coupling rotating tooth hook is in hook-type connection with the lower coupling rotating tooth hook of the lower coupling device corresponding to the other box body; an upper inhibition ratchet wheel in the upper coupling rotating tooth hook is coaxially connected with the upper displacement knob;
the lower coupling device comprises a lower deflection knob, a lower coupling rotating tooth hook, a lower spring, a lower ejecting ball and a lower restraining ratchet; the lower top ball is fixed at one end of the lower spring and is connected with the lower suppression ratchet wheel, the lower suppression ratchet wheel is meshed with the lower coupling rotating tooth hook, and the other end of the lower coupling rotating tooth hook is connected with the upper coupling rotating tooth hook of the upper coupling device corresponding to the other box body; a lower restraining ratchet wheel in the lower coupling rotating tooth hook is coaxially connected with the lower displacement knob;
the upper displacement knob and the lower displacement knob rotate in the same direction;
rotating the upper deflection knob clockwise, rotating the upper coaxial inhibition ratchet clockwise, rotating the upper ejection ball clockwise along with the upper inhibition ratchet and extruding the upper spring, wherein the upper ejection ball contracts, passes through a top bulge of the upper inhibition ratchet under the action of clockwise rotation force, drives the corresponding upper coupling rotation tooth hook, and sends anticlockwise rotation; the upper spring is expanded and horizontally ejects an upper ejecting bead, the upper inhibition ratchet wheel is subjected to the horizontal force of the ejecting bead, the upper inhibition ratchet wheel cannot continuously rotate clockwise and cannot rotate anticlockwise correspondingly to the upper coupling rotating toothed hook, the upper coupling rotating toothed hook is locked with the upper coupling rotating toothed hook, and the upper coupling device is coupled with the lower coupling device.
Still further, the upper coupling rotary rack hook includes: the tooth part, the neck part and the hook part are arranged, and a plurality of uniformly distributed sawteeth with equal size are arranged at the top end of the tooth part; the neck is concave, so that the upper coupling rotating tooth hook is in a hook shape; the hook part is smaller than the tooth part and hooks inwards towards the inner concave side of the neck part;
the lower coupling rotary rack hook includes: the tooth part, the neck part and the hook part are arranged, and a plurality of uniformly distributed sawteeth with equal size are arranged at the top end of the tooth part; the neck is concave, so that the lower coupling rotating tooth hook is in a hook shape; the hook part is smaller than the tooth part and hooks inwards towards the inner concave side of the neck part;
furthermore, the upper restraining ratchet wheel is provided with a top protrusion, two sides of the protrusion are provided with inclined planes, the inclined planes are respectively connected with the sawtooth-shaped protrusions, the sawtooth-shaped protrusions are jointly connected with the bottom surface of the lower restraining ratchet wheel, and the bottom surface is concave;
the lower restraining ratchet wheel is provided with a top protrusion, inclined planes are arranged on two sides of the protrusion, the inclined planes are respectively connected with the sawtooth-shaped protrusions, the sawtooth-shaped protrusions are jointly connected with the bottom surface of the lower restraining ratchet wheel, and the bottom surface is concave.
Furthermore, the upper displacement knob is rotated to a locking position, and the upper inhibition ratchet wheel inhibits the upper coupling rotating tooth hook from doing reverse motion towards the rotating direction of the upper displacement knob; rotating the lower displacement knob to a locking position, wherein the lower inhibition ratchet wheel inhibits the lower coupling rotating tooth hook from doing reverse motion towards the rotating direction of the lower displacement knob; the upper coupling rotating tooth hook and the lower coupling rotating tooth hook are coupled to form a clamping hook, the clamping hooks are in a shape of mutually hooking and abutting up and down, and the upper coupling device and the lower coupling device are locked;
rotating the upper deflection knob to a loosening position, and inhibiting the reverse movement of the clamping hook by the ratchet wheel; rotating the lower deflection knob corresponding to the lower coupling device to a loosening position to restrain the ratchet wheel from restraining the reverse movement of the hook; the upper coupling device and the lower coupling device are decoupled to form a clamping hook, and the upper coupling device and the lower coupling device are loosened.
Furthermore, the hook formed by the upper coupling rotating tooth hook and the lower coupling rotating tooth hook has five abutting contact points, the five abutting contact points are respectively positioned on a first abutting contact point on the inner side of the upper coupling rotating tooth hook tooth part, a second abutting contact point on the inner side of the neck of the upper coupling rotating tooth hook, a third abutting contact point on the inner side of the upper coupling rotating tooth hook, a fourth abutting contact point on the head side of the upper coupling rotating tooth hook and a fifth abutting contact point on the outer side of the upper coupling rotating tooth hook, and respectively correspond in sequence, and a first abutting contact point on the outer side of the lower coupling rotating tooth hook, a second abutting contact point on the head side of the lower coupling rotating tooth hook, a third abutting contact point on the inner side of the lower coupling rotating tooth hook, a fourth abutting contact point on the inner side of the neck of the lower coupling rotating tooth hook and a fifth abutting contact point on the inner side of the lower coupling rotating tooth hook tooth part.
An embodiment of the present invention further provides an LED display screen box, where the box includes: the coupling device according to any of the embodiments of the present invention;
the box still includes: the box body comprises an upper T-shaped pin, a lower T-shaped pin, a left upper magnetic attraction device, a right upper magnetic attraction device, a left lower magnetic attraction device, a right lower magnetic attraction device, an upper T-shaped groove, a lower T-shaped groove, an upper box body frame, a lower box body frame, a left box body frame, a right box body frame and a box body middle frame;
the upper coupling device is positioned at the intersection position of the upper box body frame and the box body middle frame, and the lower coupling device is positioned at the intersection position of the lower box body frame and the box body middle frame;
the upper deflection knob is positioned at the intersection position of the upper box body frame and the box body middle frame and is coaxial with the upper inhibition ratchet wheel of the corresponding upper coupling device;
the lower deflection knob is positioned at the intersection position of the lower box body frame and the box body middle frame and is coaxial with the corresponding lower inhibition ratchet wheel of the lower coupling device;
the upper T-shaped pin and the lower T-shaped pin are respectively positioned at the upper part and the lower part of the frame of the left box body, the upper T-shaped groove of the other box body corresponds to the upper T-shaped pin, and the upper T-shaped pin slides into the upper T-shaped groove of the other box body to fixedly splice the two box bodies; an upper T-shaped groove and a lower T-shaped groove are respectively formed in the upper portion and the lower portion of the right box body frame, and the upper T-shaped groove and the lower T-shaped groove are respectively provided with openings in the side face and the back face of the right box body frame; the opening is used for enabling an upper T-shaped pin and a lower T-shaped pin to be respectively inserted into an upper T-shaped groove and a lower T-shaped groove corresponding to the other box body, and the box body and the other box body are fixedly spliced;
the left upper magnetic attraction device is positioned on the left side of the frame of the left box body, the left lower magnetic attraction device of the other box body corresponding to the left upper magnetic attraction device is positioned on the left side of the frame of the lower box body of the other box body, and the left upper magnetic attraction device is used for attracting and butting the left lower magnetic attraction device corresponding to the other box body through magnetic field adsorption force;
the right upper magnetic attraction device is positioned on the right side of the frame of the left box body, the right lower magnetic attraction device of the other box body corresponding to the right upper magnetic attraction device is positioned on the right side of the frame of the lower box body of the other box body, and the right upper magnetic attraction device is used for attracting and butting the right lower magnetic attraction device corresponding to the other box body through magnetic field adsorption force;
the box body 1 is formed by encircling an upper box body frame, a lower box body frame, a left box body frame and a right box body frame, and a box body middle frame is arranged between the upper box body frame and the lower box body frame for connection;
the upper box body frame, the lower box body frame, the left box body frame, the right box body frame and the box body middle frame are used for supporting the box body; the upper box body frame is parallel to the lower box body frame, and the left box body frame is parallel to the right box body frame.
Furthermore, the LED display screen box body further comprises: the left positioning pin, the right positioning pin, the left positioning hole and the right positioning hole;
the left positioning pin is positioned on the left side of the frame of the upper box body, and a left positioning hole of the other box body corresponding to the left positioning pin is positioned on the frame of the lower box body of the other box body; the left positioning pin is inserted into a corresponding left positioning hole on the lower box body frame of the other corresponding box body;
the right positioning pin is positioned on the right side of the frame of the upper box body, and the right positioning hole of the other box body corresponding to the right positioning pin is positioned on the right side of the frame of the lower box body of the other box body; and the right positioning pin is inserted into a corresponding right positioning hole on the lower box body frame of the other corresponding box body.
Furthermore, the upper coupling devices of the box bodies are provided with corresponding lower coupling devices on the other corresponding box bodies;
if the upper box body frame of the box body is connected with the LED display screen frame, a lower coupling device is arranged on the LED display screen frame to correspond to the upper coupling device of the box body;
if the lower box body frame of the box body is connected with the LED display screen frame, the upper coupling device is arranged on the LED display screen frame to correspond to the lower coupling device of the box body.
The invention further provides an LED display screen, and the LED display screen comprises the LED display screen box body in any embodiment of the invention.
The invention also provides a display screen splicing method, which comprises the following steps:
inserting an upper T-shaped pin of the box body into a corresponding upper T-shaped groove of the box body corresponding to the other side surface, and inserting a lower T-shaped pin of the box body into a corresponding lower T-shaped groove of the box body corresponding to the other side surface;
aligning the left positioning pin of the box body with the corresponding left positioning hole of the corresponding box body above the other box body, and aligning the right positioning pin of the box body with the corresponding right positioning hole of the corresponding box body of the other two box bodies;
attracting the upper left magnetic attraction device of the box body with the corresponding lower left magnetic attraction device of the other upper corresponding box body, and attracting the upper right magnetic attraction device of the box body with the corresponding lower right magnetic attraction device of the other upper corresponding box body;
rotating an upper deflection knob, wherein the upper deflection knob drives an upper inhibition ratchet wheel to rotate;
the upper restraining ratchet wheel can only rotate clockwise under the horizontal force of the upper ejecting ball;
the upper inhibition ratchet wheel drives the upper coupling rotating tooth hook to rotate anticlockwise, so that the upper coupling rotating tooth hook of the box body is coupled with the corresponding lower coupling rotating tooth hook of the corresponding box body above the other box body;
when the box body is disassembled, the upper deflection knob is rotated anticlockwise to drive the upper inhibition ratchet wheel to rotate anticlockwise, and the upper inhibition ratchet wheel drives the upper coupling rotating tooth hook to rotate clockwise, so that the coupling between the upper coupling rotating tooth hook and the corresponding lower coupling rotating tooth hook of the other box body above the upper coupling rotating tooth hook is released;
pulling out the left positioning pin of the box body from the corresponding left positioning hole of the corresponding box body above the other box body, pulling out the right positioning pin of the box body from the corresponding right positioning hole of the corresponding box body of the other two box bodies in a contraposition manner, and taking out the box body downwards;
and lifting the upper T-shaped pin of the box body out of the corresponding upper T-shaped groove of the box body corresponding to the other side surface, simultaneously lifting the lower T-shaped pin of the box body out of the corresponding lower T-shaped groove of the box body corresponding to the other side surface, downwards taking out the box body, and moving out of the box body towards the other side where the upper T-shaped pin and the lower T-shaped pin are located.
The coupling device, the box body, the method and the LED display screen have the beneficial effects that the adjacent LED display screen box bodies are automatically spliced and locked up and down, linked left and right for limiting, and automatically spliced, so that the time and the labor are saved; the technical problems that the boxes of the LED display screen in the LED display screen rental market need to be frequently spliced and disassembled and are easy to misplace and crack are solved, and the LED display screen rental box has the beneficial effects of being simpler and more convenient and efficient to operate and being more accurate and compact among the boxes; particularly in the application occasions of large-scale LED display screens, the LED display screen mounting and maintaining device has the advantages of greatly improving the mounting and maintaining efficiency of the LED display screens, improving the flatness of the LED display screens and further greatly improving the display quality.
Drawings
Fig. 1 is a schematic structural diagram of an upper and lower coupling device of an LED display screen according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an oblique top structure of an LED display screen box according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an oblique bottom view structure of an LED display screen box according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating a ratchet action suppressing process of the upper and lower coupling devices of the LED display panel according to an embodiment of the invention.
Reference numbers in the above figures: the magnetic attraction type magnetic coupling device comprises a box body 1a, a box body 1b, an upper T-shaped pin 2a, a lower T-shaped pin 2b, an upper left magnetic attraction device 3a, an upper right magnetic attraction device 3b, a lower left magnetic attraction device 3c, a lower right magnetic attraction device 3d, a left positioning pin 4a, a right positioning pin 4b, a left positioning hole 13a, a right positioning hole 13b, an upper coupling device 5a, a lower coupling device 5b, an upper displacement knob 6a, a lower displacement knob 6b, an upper T-shaped groove 7a, a lower T-shaped groove 7b, an upper coupling rotating tooth hook 8a, a lower coupling rotating tooth hook 8b, an upper spring 21a, a lower spring 21b, an upper supporting bead 22a, a lower supporting bead 22b, an upper restraining ratchet 24a, a lower restraining ratchet 24b, an upper box body frame 31, a lower box body frame 32, a left box body frame 33, a right box body frame 34, a box body frame 35, a first contact point butt 101, a second contact point butt 102, a third contact point, A fifth contact point 105, a tooth 111a of the upper coupling rotating teeth hook, a neck 112a of the upper coupling rotating teeth hook, a hook 113a of the upper coupling rotating teeth hook, a tooth 111b of the lower coupling rotating teeth hook, a neck 112b of the upper coupling rotating teeth hook, and a hook 113b of the upper coupling rotating teeth hook.
Detailed Description
So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, fig. 1 is a schematic diagram of a coupling device according to an embodiment of the present invention, and an embodiment of the present invention provides a coupling device, including: an upper coupling device 5a, a lower coupling device 5 b;
the upper coupling device 5a comprises an upper deflection knob 6a, an upper coupling rotating tooth hook 8a, an upper spring 21a, an upper top bead 22a and an upper inhibition ratchet wheel 24 a; the upper top bead 22a is fixed at one end of the upper spring 21a, the upper top bead 22a is connected with the upper inhibition ratchet wheel 24a, the upper inhibition ratchet wheel 24a is meshed with the upper coupling rotating tooth hook 8a, and the other end of the upper coupling rotating tooth hook 8a is in hook-type connection with the lower coupling rotating tooth hook 8b of the lower coupling device 5b corresponding to the other box body; an upper inhibition ratchet wheel 24a in the upper coupling rotating tooth hook 8a is coaxially connected with the upper displacement knob 6 a;
the lower coupling device 5b comprises a lower deflection knob 6b, a lower coupling rotating tooth hook 8b, a lower spring 21b, a lower ejecting ball 22b and a lower restraining ratchet wheel 24 b; one end of the lower spring 21b is fixed with the lower top bead 22b, the lower top bead 22b is connected with the lower restraining ratchet wheel 23b, the lower restraining ratchet wheel 23b is meshed with the lower coupling rotating tooth hook 8b, and the other end of the lower coupling rotating tooth hook 8b is connected with the upper coupling rotating tooth hook 8a of the upper coupling device 5a corresponding to the other box body; a lower restraining ratchet wheel 24b in the lower coupling rotating tooth hook 8b is coaxially connected with the lower deflection knob 6 b;
the upper displacement knob 6a and the lower displacement knob 6b rotate in the same direction;
as shown in fig. 1 and 4, when the upper shift knob 6a is rotated clockwise, the upper restraining ratchet 24a coaxially rotates clockwise, the upper knock bead 22a follows the clockwise rotation of the upper restraining ratchet 24a and presses the upper spring 21a, the upper spring 21a contracts, the upper knock bead 22a passes through the top protrusion of the upper restraining ratchet 24a under the clockwise rotation force, the upper restraining ratchet 24a drives the corresponding upper coupling rotating tooth hook 8a, and the upper coupling rotating tooth hook 8a sends a counterclockwise rotation; the upper spring 21a is relaxed and horizontally ejects the upper ejecting ball 22a, the upper restraining ratchet 24a receives the horizontal force of the ejecting ball 22a, the upper restraining ratchet 24a cannot continue to rotate clockwise, and correspondingly, the upper coupling rotating toothed hook 8a cannot rotate counterclockwise, the upper coupling rotating toothed hook 8a is locked with the upper coupling rotating toothed hook 8a, and the upper coupling device 5a is coupled with the lower coupling device 5 b.
In some embodiments of the present application, as shown in fig. 1, the upper coupling rotating teeth hook 8a includes: the structure comprises a tooth part 111a, a neck part 112a and a hook part 113a, wherein the top end of the tooth part 111a is provided with a plurality of saw teeth which are equal in size and are uniformly distributed; the neck part 112a is concave, so that the upper coupling rotating tooth hook 8a is in a hook shape; the hook part 113a is smaller than the tooth part 111a and hooks inward toward the concave side of the neck part 112 a;
the lower coupling rotating teeth hook 8b includes: the tooth part 111b, the neck part 112b and the hook part 113b, wherein the top end of the tooth part 111b is provided with a plurality of saw teeth which are equal in size and are uniformly distributed; the neck part 112b is concave, so that the lower coupling rotating tooth hook 8b is in a hook shape; the hook 113b is smaller than the tooth and hooks inward toward the concave side of the neck 112 b.
In some embodiments of the present application, the upper restraining ratchet 24a is a top protrusion, and two sides of the top protrusion have inclined surfaces, the inclined surfaces are respectively connected with saw-tooth protrusions, the saw-tooth protrusions are commonly connected with a bottom surface of the lower restraining ratchet 24b, and the bottom surface is concave.
The lower restraining ratchet wheel 24b is a top protrusion, inclined planes are arranged on two sides of the protrusion, the inclined planes are respectively connected with the sawtooth-shaped protrusions, the sawtooth-shaped protrusions are connected with the bottom surface of the lower restraining ratchet wheel 24b together, and the bottom surface is concave.
As shown in fig. 4, the upper restraining ratchet 24a is rotated clockwise, the upper spring 21a horizontally ejects the upper ejecting ball 22a, the resistance F of the upper ejecting ball 22a to the upper restraining ratchet 24a is upward, the upper restraining ratchet 24a receives the horizontal force of the ejecting ball 22a, the upper restraining ratchet 24a cannot rotate counterclockwise, and the corresponding upper coupling rotating toothed hook 8a cannot rotate clockwise; the upper spring 21a horizontally ejects the upper ejecting ball 22a, but cannot block the inclined surface of the upper restraining ratchet 24a, at this time, the upper restraining ratchet 24a can rotate clockwise, and the corresponding upper coupling rotating toothed hook 8a can rotate anticlockwise; for example, when the upper shift knob 6a drives the upper restraining ratchet 24a to rotate to the right in fig. 4, the upper restraining ratchet 24a cannot rotate clockwise any more, and the upper coupling rotating toothed hook 8a cannot rotate counterclockwise; the upper restraining ratchet 24a can only rotate counterclockwise and drives the upper coupling rotating toothed hook 8a to rotate clockwise. The movement of the upper coupling rotating toothed hook 8b is the same.
In some embodiments of the present application, as shown in fig. 1 and 4, the upper shift knob 6a is rotated to a locking position, and the upper holding ratchet 24a holds the upper coupling rotating rack 8a against a reverse movement in a direction in which the upper shift knob 6a is rotated; rotating the lower deflection knob 6b to a locking position, and the lower restraining ratchet 24b restrains the lower coupling rotating tooth hook 8b from doing reverse motion towards the rotating direction of the lower deflection knob 6 b; the upper coupling rotating tooth hook 8a and the lower coupling rotating tooth hook 8b are coupled to form a clamping hook, the clamping hook is in a shape of mutually hooking and abutting up and down, and the upper coupling device 5a and the lower coupling device 5b are locked;
rotating the upper deflection knob 6a to a release position, the restraining ratchet 24a restrains the reverse movement of the hook; rotating the lower deflection knob 6b corresponding to the lower coupling device 5b to a release position, and inhibiting the ratchet wheel 24b from inhibiting the reverse movement of the hook; the upper coupling device 5a and the lower coupling device 5b are decoupled to form a hook, and the upper coupling device 5a and the lower coupling device 5b are released.
Specifically, the upper displacement knob 6a is used for locking or loosening the upper restraining ratchet 24a of the upper coupling device 5a, and the upper restraining ratchet 24a drives the upper coupling rotating toothed hook 8a to be screwed or loosened, so that the adjacent boxes are automatically spliced or un-spliced;
the lower displacement knob 6b is used for locking or loosening the lower restraining ratchet 24b of the lower coupling device 5b, and the lower restraining ratchet 24b drives the lower coupling rotating toothed hook 8b to be screwed or loosened, so that the adjacent box bodies are automatically spliced or unglued.
In some embodiments of the present application, as shown in fig. 1, the hook formed by the upper coupling rotating teeth hook 8a and the lower coupling rotating teeth hook 8b has five contact points, which are a first contact point 101 located inside the teeth of the upper coupling rotating teeth hook 8a, a second contact point 102 located inside the neck of the upper coupling rotating teeth hook 8a, a third contact point 103 located inside the hook of the upper coupling rotating teeth hook 8a, a fourth contact point 104 located on the hook head side of the upper coupling rotating teeth hook 8a, and a fifth contact point 105 located outside the hook of the upper coupling rotating teeth hook 8a, respectively, and which correspond in sequence, a first contact point 101 located outside the hook of the lower coupling rotating teeth hook 8b, a second contact point 102 located on the hook head side of the lower coupling rotating teeth hook 8b, a third contact point 103 located inside the hook of the lower coupling rotating teeth hook 8b, and a third contact point 103, a, A fourth contact point 104 inside the neck of the lower coupling rotating teeth hook 8b, and a fifth contact point 105 inside the teeth of the lower coupling rotating teeth hook 8 b.
Referring to fig. 1, fig. 2 and fig. 3, fig. 2 is a schematic diagram of an oblique top structure of an LED display screen box according to an embodiment of the present invention; fig. 3 is a schematic diagram of an oblique bottom view structure of an LED display screen box according to an embodiment of the present invention; an embodiment of the present invention further provides an LED display screen box, where the box 1a includes: the coupling device according to any of the embodiments of the present invention;
the case 1a further includes: an upper T-shaped pin 2a, a lower T-shaped pin 2b, an upper left magnetic attraction device 3a, an upper right magnetic attraction device 3b, a lower left magnetic attraction device 3c, a lower right magnetic attraction device 3d, an upper T-shaped groove 7a, a lower T-shaped groove 7b, an upper box body frame 31, a lower box body frame 32, a left box body frame 33, a right box body frame 34 and a box body middle frame 35;
the upper coupling device 5a is positioned at the intersection position of the upper box body frame 31 and the box body middle frame 35, and the lower coupling device 5b is positioned at the intersection position of the lower box body frame 32 and the box body middle frame 35;
the upper deflection knob 6a is positioned at the intersection position of the upper box body frame 31 and the box body middle frame 35 and is coaxial with the upper inhibition ratchet wheel 24a of the corresponding upper coupling device 5 a;
the lower deflection knob 6b is positioned at the intersection position of the lower box body frame 32 and the box body middle frame 35 and is coaxial with the corresponding lower inhibition ratchet wheel 24b of the lower coupling device 5 b;
the upper T-shaped pin 2a and the lower T-shaped pin 2b are respectively positioned at the upper part and the lower part of the frame 33 of the left box body, the upper T-shaped groove of the other box body corresponds to the upper T-shaped pin 2a, and the two box bodies are fixedly spliced by sliding the upper T-shaped pin 2a into the upper T-shaped groove of the other box body; an upper T-shaped groove 7a and a lower T-shaped groove 7b are respectively formed in the upper portion and the lower portion of the right box body frame 34, and the upper T-shaped groove 7a and the lower T-shaped groove 7b are respectively opened in the side face and the back face of the right box body frame 34; the opening is used for enabling an upper T-shaped pin and a lower T-shaped pin to be respectively inserted into an upper T-shaped groove and a lower T-shaped groove corresponding to the other box body, and the box body 1a and the other box body are fixedly spliced;
the upper left magnetic attraction device 3a is positioned on the left side of the frame 33 of the left box body, the lower left magnetic attraction device of the other box body corresponding to the upper left magnetic attraction device 3a is positioned on the left side of the frame of the lower box body of the other box body, and the upper left magnetic attraction device 3a is used for attracting and butting the lower left magnetic attraction device corresponding to the other box body through magnetic field adsorption force;
the upper right magnetic attraction device 3b is positioned at the right side of the frame 33 of the left box body, the lower right magnetic attraction device of the other box body corresponding to the upper right magnetic attraction device 3b is positioned at the right side of the frame of the lower box body of the other box body, and the upper right magnetic attraction device 3b is used for attracting and butting the lower right magnetic attraction device corresponding to the other box body through magnetic field adsorption force;
the box body 1a is formed by encircling an upper box body frame 31, a lower box body frame 32, a left box body frame 33 and a right box body frame 34, and a box body middle frame 35 is arranged between the upper box body frame and the lower box body frame for connection;
the upper box body frame 31, the lower box body frame 32, the left box body frame 33, the right box body frame 34 and the box body middle frame 35 are used for supporting the box body 1 a; the upper box frame 31 and the lower box frame 32 are parallel to each other, and the left box frame 33 and the right box frame 34 are parallel to each other.
In some embodiments of the present invention, as shown in fig. 2 and 3, the box 1a further includes: a left positioning pin 4a, a right positioning pin 4b, a left positioning hole 13a and a right positioning hole 13 b;
the left positioning pin 4a is positioned on the left side of the upper box body frame 31, and the left positioning hole 13a of the other box body corresponding to the left positioning pin 4a is positioned on the lower box body frame of the other box body; the left positioning pin 4a is inserted into a corresponding left positioning hole on the lower box body frame of the other corresponding box body to accurately position different adjacent box bodies;
the right positioning pin 4b is positioned at the right side of the upper box body frame 31, and the right positioning hole 13b of the other box body corresponding to the right positioning pin 4b is positioned at the right side of the lower box body frame of the other box body; and the right positioning pin 4b is inserted into a corresponding right positioning hole on the lower box body frame of the other corresponding box body so as to accurately position different adjacent box bodies.
In some embodiments of the present application, the upper coupling device 5a of the box 1a has a corresponding lower coupling device 5b on the other box 1 b; if the box body frame 31 on the box body 1a is connected with the frame of the LED display screen, a lower coupling device is arranged on the frame of the LED display screen to correspond to the upper coupling device 5a of the box body 1 a;
the lower box frame 32 of the box 1a is connected with the frame of the LED display screen, and the upper coupling device is arranged on the frame of the LED display screen to correspond to the lower coupling device 5b of the box 1 a.
The embodiment of the invention further provides an LED display screen, and the LED display screen comprises the LED display screen box body in any embodiment of the invention.
The coupling device, the box body, the method and the LED display screen have the beneficial effects that the adjacent LED display screen box bodies are automatically spliced and locked up and down, linked left and right for limiting, and automatically spliced, so that the time and the labor are saved; the technical problems that the boxes of the LED display screen in the LED display screen rental market need to be frequently spliced and disassembled and are easy to misplace and crack are solved, and the LED display screen rental box has the beneficial effects of being simpler and more convenient and efficient to operate and being more accurate and compact among the boxes;
referring to fig. 1, 2, 3 and 4, fig. 4 is a schematic diagram illustrating the movement of a rotary upper shift knob according to an embodiment of the present invention; an embodiment of the present invention further provides a method for splicing an LED display screen, where the method includes:
step S100, inserting an upper T-shaped pin of the box body 1a into a corresponding upper T-shaped groove of the box body corresponding to the other side surface, and inserting a lower T-shaped pin of the box body 1a into a corresponding lower T-shaped groove of the box body corresponding to the other side surface;
step S200, aligning the left positioning pin of the box body 1a with the corresponding left positioning hole of the corresponding box body above the other box body, and aligning the right positioning pin of the box body 1a with the corresponding right positioning hole of the corresponding box body of the other two box bodies;
s300, attracting an upper left magnetic attraction device of the box body 1a with a corresponding lower left magnetic attraction device of the other upper corresponding box body, and attracting an upper right magnetic attraction device of the box body 1a with a corresponding lower right magnetic attraction device of the other upper corresponding box body;
step S400, rotating an upper displacement knob 6a, wherein the upper displacement knob 6a drives an upper inhibition ratchet wheel 24a to rotate;
step S500, the upper restraining ratchet 24 can only rotate clockwise under the horizontal force of the upper ejector bead 22 a; the horizontal force comes from an upper spring 21a connected to the opposite horizontal of the upper top bead 22 a;
step S600, the upper inhibition ratchet wheel 24 drives the upper coupling rotating tooth hook 8a to rotate anticlockwise, so that the upper coupling rotating tooth hook 8a of the box body 1a is coupled with the corresponding lower coupling rotating tooth hook 8b of the other box body above the box body;
specifically, the upper coupling rotating toothed hook 8a is brought into close abutment with the corresponding lower coupling rotating toothed hook 8b of the other upper corresponding box at a first abutment contact point 101, a second abutment contact point 102, a third abutment contact point 103, a fourth abutment contact point 104, a fifth abutment contact point 105;
step S700, when the box body 1a is disassembled, the upper deflection knob 6a is rotated anticlockwise to drive the upper inhibition ratchet wheel 24 to rotate anticlockwise, and the upper inhibition ratchet wheel 24 drives the upper coupling rotating tooth hook 8a to rotate clockwise, so that the coupling between the upper coupling rotating tooth hook 8a and the corresponding lower coupling rotating tooth hook 8 of the other corresponding box body above the upper coupling rotating tooth hook is released;
step S800, pulling out the left positioning pin of the box body 1a from the corresponding left positioning hole of the corresponding box body above the other box body, pulling out the right positioning pin of the box body 1a from the corresponding right positioning hole of the corresponding box bodies of the other two box bodies in an aligning way, and taking out the box body downwards;
and S900, lifting the upper T-shaped pin of the box body 1a out of the corresponding upper T-shaped groove of the box body corresponding to the other side surface, simultaneously lifting the lower T-shaped pin of the box body 1a out of the corresponding lower T-shaped groove of the box body corresponding to the other side surface, downwards taking out the box body, and moving the box body 1a out of the other side where the upper T-shaped pin and the lower T-shaped pin are located.
An embodiment of the invention further provides a display screen splicing system which comprises the display screen splicing box body in any embodiment of the application.
The embodiment of the invention also provides an LED display screen, and the LED display screen comprises the display screen splicing box body in any embodiment of the application.
The method has the advantages that the installation and maintenance efficiency of the LED display screen is greatly improved, the flatness of the LED display screen is improved, and therefore the display quality is greatly improved in the application occasions of large LED display screens.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A coupling apparatus, characterized in that the apparatus comprises: an upper coupling device and a lower coupling device;
the upper coupling device comprises an upper deflection knob, an upper coupling rotating tooth hook, an upper spring, an upper ejecting ball and an upper restraining ratchet; the upper pressing bead is fixed at one end of the upper spring and is connected with the upper restraining ratchet wheel, the upper restraining ratchet wheel is meshed with the upper coupling rotating tooth hook, and the other end of the upper coupling rotating tooth hook is in hook-type connection with the lower coupling rotating tooth hook of the lower coupling device corresponding to the other box body; an upper inhibition ratchet wheel in the upper coupling rotating tooth hook is coaxially connected with the upper displacement knob;
the lower coupling device comprises a lower deflection knob, a lower coupling rotating tooth hook, a lower spring, a lower ejecting ball and a lower restraining ratchet; the lower top ball is fixed at one end of the lower spring and is connected with the lower suppression ratchet wheel, the lower suppression ratchet wheel is meshed with the lower coupling rotating tooth hook, and the other end of the lower coupling rotating tooth hook is connected with the upper coupling rotating tooth hook of the upper coupling device corresponding to the other box body; a lower restraining ratchet wheel in the lower coupling rotating tooth hook is coaxially connected with the lower displacement knob;
the upper displacement knob and the lower displacement knob rotate in the same direction;
rotating the upper deflection knob clockwise, rotating the upper coaxial inhibition ratchet clockwise, rotating the upper ejection ball clockwise along with the upper inhibition ratchet and extruding the upper spring, wherein the upper ejection ball contracts, passes through a top bulge of the upper inhibition ratchet under the action of clockwise rotation force, drives the corresponding upper coupling rotation tooth hook, and sends anticlockwise rotation; the upper spring is expanded and horizontally ejects an upper ejecting bead, the upper inhibition ratchet wheel is subjected to the horizontal force of the ejecting bead, the upper inhibition ratchet wheel cannot continuously rotate clockwise and cannot rotate anticlockwise correspondingly to the upper coupling rotating toothed hook, the upper coupling rotating toothed hook is locked with the upper coupling rotating toothed hook, and the upper coupling device is coupled with the lower coupling device.
2. The coupling device according to claim 1, characterized in that said upper coupling rotating toothed hook comprises: the tooth part, the neck part and the hook part are arranged, and a plurality of uniformly distributed sawteeth with equal size are arranged at the top end of the tooth part; the neck is concave, so that the upper coupling rotating tooth hook is in a hook shape; the hook part is smaller than the tooth part and hooks inwards towards the inner concave side of the neck part;
the lower coupling rotary rack hook includes: the tooth part, the neck part and the hook part are arranged, and a plurality of uniformly distributed sawteeth with equal size are arranged at the top end of the tooth part; the neck is concave, so that the lower coupling rotating tooth hook is in a hook shape; the hook part is smaller than the tooth part and hooks inwards towards the inner concave side of the neck part.
3. The coupling device according to claim 2, wherein the upper restraining ratchet is a top protrusion, the protrusions have inclined surfaces on both sides, the inclined surfaces are respectively connected with saw-tooth protrusions, the saw-tooth protrusions are jointly connected with the bottom surface of the lower restraining ratchet, and the bottom surface is concave;
the lower restraining ratchet wheel is provided with a top protrusion, inclined planes are arranged on two sides of the protrusion, the inclined planes are respectively connected with the sawtooth-shaped protrusions, the sawtooth-shaped protrusions are jointly connected with the bottom surface of the lower restraining ratchet wheel, and the bottom surface is concave.
4. The coupling device of claim 3, wherein rotating said upper indexing knob to a locked position, said upper restraining ratchet restrains said upper coupling rotating tooth hook from reverse movement in the direction of rotation of said upper indexing knob; rotating the lower displacement knob to a locking position, wherein the lower inhibition ratchet wheel inhibits the lower coupling rotating tooth hook from doing reverse motion towards the rotating direction of the lower displacement knob; the upper coupling rotating tooth hook and the lower coupling rotating tooth hook are coupled to form a clamping hook, the clamping hooks are in a shape of mutually hooking and abutting up and down, and the upper coupling device and the lower coupling device are locked;
rotating the upper deflection knob to a loosening position, and inhibiting the reverse movement of the clamping hook by the ratchet wheel; rotating the lower deflection knob corresponding to the lower coupling device to a loosening position to restrain the ratchet wheel from restraining the reverse movement of the hook; the upper coupling device and the lower coupling device are decoupled to form a clamping hook, and the upper coupling device and the lower coupling device are loosened.
5. The coupling device according to claim 4, wherein the hook formed by the upper coupling rotary tooth hook and the lower coupling rotary tooth hook has five abutting contact points, and the five abutting contact points are respectively a first abutting contact point located inside the upper coupling rotary tooth hook tooth portion, a second abutting contact point located inside the neck portion of the upper coupling rotary tooth hook, a third abutting contact point located inside the upper coupling rotary tooth hook portion, a fourth abutting contact point located on the head side of the upper coupling rotary tooth hook portion, and a fifth abutting contact point located outside the upper coupling rotary tooth hook portion, and respectively correspond in sequence, a first abutting contact point located outside the lower coupling rotary tooth hook portion, a second abutting contact point located on the head side of the lower coupling rotary tooth hook portion, a third abutting contact point located inside the lower coupling rotary tooth hook portion, and a fourth abutting contact point located inside the neck portion of the lower coupling rotary tooth hook portion, And a fifth abutting contact point on the inner side of the hook tooth part of the lower coupling rotating tooth.
6. The utility model provides a LED display screen box which characterized in that, the box includes: the coupling device of any one of claims 1 to 5;
the box still includes: the box body comprises an upper T-shaped pin, a lower T-shaped pin, a left upper magnetic attraction device, a right upper magnetic attraction device, a left lower magnetic attraction device, a right lower magnetic attraction device, an upper T-shaped groove, a lower T-shaped groove, an upper box body frame, a lower box body frame, a left box body frame, a right box body frame and a box body middle frame;
the upper coupling device is positioned at the intersection position of the upper box body frame and the box body middle frame, and the lower coupling device is positioned at the intersection position of the lower box body frame and the box body middle frame;
the upper deflection knob is positioned at the intersection position of the upper box body frame and the box body middle frame and is coaxial with the upper inhibition ratchet wheel of the corresponding upper coupling device;
the lower deflection knob is positioned at the intersection position of the lower box body frame and the box body middle frame and is coaxial with the corresponding lower inhibition ratchet wheel of the lower coupling device;
the upper T-shaped pin and the lower T-shaped pin are respectively positioned at the upper part and the lower part of the frame of the left box body, the upper T-shaped groove of the other box body corresponds to the upper T-shaped pin, and the upper T-shaped pin slides into the upper T-shaped groove of the other box body to fixedly splice the two box bodies; an upper T-shaped groove and a lower T-shaped groove are respectively formed in the upper portion and the lower portion of the right box body frame, and the upper T-shaped groove and the lower T-shaped groove are respectively provided with openings in the side face and the back face of the right box body frame; the opening is used for enabling an upper T-shaped pin and a lower T-shaped pin to be respectively inserted into an upper T-shaped groove and a lower T-shaped groove corresponding to the other box body, and the box body and the other box body are fixedly spliced;
the left upper magnetic attraction device is positioned on the left side of the frame of the left box body, the left lower magnetic attraction device of the other box body corresponding to the left upper magnetic attraction device is positioned on the left side of the frame of the lower box body of the other box body, and the left upper magnetic attraction device is used for attracting and butting the left lower magnetic attraction device corresponding to the other box body through magnetic field adsorption force;
the right upper magnetic attraction device is positioned on the right side of the frame of the left box body, the right lower magnetic attraction device of the other box body corresponding to the right upper magnetic attraction device is positioned on the right side of the frame of the lower box body of the other box body, and the right upper magnetic attraction device is used for attracting and butting the right lower magnetic attraction device corresponding to the other box body through magnetic field adsorption force;
the box body is formed by encircling an upper box body frame, a lower box body frame, a left box body frame and a right box body frame, and a box body middle frame is arranged between the upper box body frame and the lower box body frame for connection;
the upper box body frame, the lower box body frame, the left box body frame, the right box body frame and the box body middle frame are used for supporting the box body; the upper box body frame is parallel to the lower box body frame, and the left box body frame is parallel to the right box body frame.
7. The LED display screen box of claim 6, wherein the LED display screen box further comprises: the left positioning pin, the right positioning pin, the left positioning hole and the right positioning hole;
the left positioning pin is positioned on the left side of the frame of the upper box body, and a left positioning hole of the other box body corresponding to the left positioning pin is positioned on the frame of the lower box body of the other box body; the left positioning pin is inserted into a corresponding left positioning hole on the lower box body frame of the other corresponding box body;
the right positioning pin is positioned on the right side of the frame of the upper box body, and the right positioning hole of the other box body corresponding to the right positioning pin is positioned on the right side of the frame of the lower box body of the other box body; and the right positioning pin is inserted into a corresponding right positioning hole on the lower box body frame of the other corresponding box body.
8. The LED display screen box body of claim 7, wherein the upper coupling device of the box body is provided with a corresponding lower coupling device on the other corresponding box body;
if the upper box body frame of the box body is connected with the LED display screen frame, a lower coupling device is arranged on the LED display screen frame to correspond to the upper coupling device of the box body;
if the lower box body frame of the box body is connected with the LED display screen frame, the upper coupling device is arranged on the LED display screen frame to correspond to the lower coupling device of the box body.
9. An LED display screen, comprising the LED display screen box body of any one of claims 6-8 of the invention.
10. A display screen splicing method is characterized by comprising the following steps:
inserting an upper T-shaped pin of the box body into a corresponding upper T-shaped groove of the box body corresponding to the other side surface, and inserting a lower T-shaped pin of the box body into a corresponding lower T-shaped groove of the box body corresponding to the other side surface;
aligning the left positioning pin of the box body with the corresponding left positioning hole of the corresponding box body above the other box body, and aligning the right positioning pin of the box body with the corresponding right positioning hole of the corresponding box body of the other two box bodies;
attracting the upper left magnetic attraction device of the box body with the corresponding lower left magnetic attraction device of the other upper corresponding box body, and attracting the upper right magnetic attraction device of the box body with the corresponding lower right magnetic attraction device of the other upper corresponding box body;
rotating an upper deflection knob, wherein the upper deflection knob drives an upper inhibition ratchet wheel to rotate;
the upper restraining ratchet wheel can only rotate clockwise under the horizontal force of the upper ejecting ball;
the upper inhibition ratchet wheel drives the upper coupling rotating tooth hook to rotate anticlockwise, so that the upper coupling rotating tooth hook of the box body is coupled with the corresponding lower coupling rotating tooth hook of the corresponding box body above the other box body;
when the box body is disassembled, the upper deflection knob is rotated anticlockwise to drive the upper inhibition ratchet wheel to rotate anticlockwise, and the upper inhibition ratchet wheel drives the upper coupling rotating tooth hook to rotate clockwise, so that the coupling between the upper coupling rotating tooth hook and the corresponding lower coupling rotating tooth hook of the other box body above the upper coupling rotating tooth hook is released;
pulling out the left positioning pin of the box body from the corresponding left positioning hole of the corresponding box body above the other box body, pulling out the right positioning pin of the box body from the corresponding right positioning hole of the corresponding box body of the other two box bodies in a contraposition manner, and taking out the box body downwards;
and lifting the upper T-shaped pin of the box body out of the corresponding upper T-shaped groove of the box body corresponding to the other side surface, simultaneously lifting the lower T-shaped pin of the box body out of the corresponding lower T-shaped groove of the box body corresponding to the other side surface, downwards taking out the box body, and moving out of the box body towards the other side where the upper T-shaped pin and the lower T-shaped pin are located.
CN202011020044.2A 2020-09-24 2020-09-24 Coupling device, box body, method and LED display screen Pending CN112178014A (en)

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CN202011020044.2A CN112178014A (en) 2020-09-24 2020-09-24 Coupling device, box body, method and LED display screen

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Application Number Priority Date Filing Date Title
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CN112178014A true CN112178014A (en) 2021-01-05

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Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070283873A1 (en) * 2006-06-07 2007-12-13 J&J Machine & Tool, Inc. Hydraulically locked boat accessory mounting device
US20110101192A1 (en) * 2009-11-02 2011-05-05 Lee Kevin J Multipurpose ball joint assembly and work holding devices
KR20130020031A (en) * 2011-08-18 2013-02-27 김영철 Hinge structure for electronic device and electronic device with the same
CN103068670A (en) * 2010-06-24 2013-04-24 斯图迪奥摩德那股份有限公司 Joint locking assembly and method
CN103953231A (en) * 2014-04-16 2014-07-30 深圳视爵光旭电子有限公司 Quick lock for LED (light-emitting diode) display screen box body with positioning device
CN103982097A (en) * 2014-05-26 2014-08-13 舟山市绿港机械配件有限公司 Push-pull automatic door stopper
CN204221346U (en) * 2014-09-29 2015-03-25 深圳市奥拓电子股份有限公司 Display screen splicing apparatus and display device thereof
CN104747587A (en) * 2015-04-09 2015-07-01 深圳市创显光电有限公司 Angle regulating device and application thereof
CN204755529U (en) * 2015-02-14 2015-11-11 深圳市艾比森光电股份有限公司 Connect lock and concatenation screen
CN106782125A (en) * 2017-01-12 2017-05-31 深圳市奥拓电子股份有限公司 Splicing apparatus, LED box and LED display
CN206329621U (en) * 2016-11-29 2017-07-14 深圳市奥拓电子股份有限公司 Attachment means and LED box
CN109114102A (en) * 2018-10-19 2019-01-01 深圳市奥拓电子股份有限公司 Display screen splicing apparatus and LED display
CN214499660U (en) * 2020-09-24 2021-10-26 深圳市奥拓电子股份有限公司 Coupling device, box and LED display screen

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070283873A1 (en) * 2006-06-07 2007-12-13 J&J Machine & Tool, Inc. Hydraulically locked boat accessory mounting device
US20110101192A1 (en) * 2009-11-02 2011-05-05 Lee Kevin J Multipurpose ball joint assembly and work holding devices
CN103068670A (en) * 2010-06-24 2013-04-24 斯图迪奥摩德那股份有限公司 Joint locking assembly and method
KR20130020031A (en) * 2011-08-18 2013-02-27 김영철 Hinge structure for electronic device and electronic device with the same
CN103953231A (en) * 2014-04-16 2014-07-30 深圳视爵光旭电子有限公司 Quick lock for LED (light-emitting diode) display screen box body with positioning device
CN103982097A (en) * 2014-05-26 2014-08-13 舟山市绿港机械配件有限公司 Push-pull automatic door stopper
CN204221346U (en) * 2014-09-29 2015-03-25 深圳市奥拓电子股份有限公司 Display screen splicing apparatus and display device thereof
CN204755529U (en) * 2015-02-14 2015-11-11 深圳市艾比森光电股份有限公司 Connect lock and concatenation screen
CN104747587A (en) * 2015-04-09 2015-07-01 深圳市创显光电有限公司 Angle regulating device and application thereof
CN206329621U (en) * 2016-11-29 2017-07-14 深圳市奥拓电子股份有限公司 Attachment means and LED box
CN106782125A (en) * 2017-01-12 2017-05-31 深圳市奥拓电子股份有限公司 Splicing apparatus, LED box and LED display
CN109114102A (en) * 2018-10-19 2019-01-01 深圳市奥拓电子股份有限公司 Display screen splicing apparatus and LED display
CN214499660U (en) * 2020-09-24 2021-10-26 深圳市奥拓电子股份有限公司 Coupling device, box and LED display screen

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