CN111396412A - Connecting device for L ED display screen - Google Patents
Connecting device for L ED display screen Download PDFInfo
- Publication number
- CN111396412A CN111396412A CN202010147011.8A CN202010147011A CN111396412A CN 111396412 A CN111396412 A CN 111396412A CN 202010147011 A CN202010147011 A CN 202010147011A CN 111396412 A CN111396412 A CN 111396412A
- Authority
- CN
- China
- Prior art keywords
- axis
- matching
- operating
- section
- connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 9
- 230000013011 mating Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Images
Classifications
-
- 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
- F16B5/008—Joining sheets, plates or panels in abutting relationship by a rotating or sliding and rotating movement
-
- 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
- G09F9/302—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 characterised by the form or geometrical disposition of the individual elements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The application belongs to the technical field of display screens, and particularly relates to a connecting device for an L ED display screen, wherein the L ED display screen comprises a plurality of box bodies, each box body is provided with a connecting portion used for being detachably connected with the connecting device, the connecting device comprises a matching portion, a movable portion and an operating portion, the matching portion is matched with the connecting portion to form detachable connection, the movable portion is fixedly connected or forms the matching portion, the operating portion is operated by a user to drive the movable portion and the matching portion to rotate around a first axis, the operating portion is connected or formed on the movable portion, the operating portion is provided with a locking position and an unlocking position, when the operating portion is located at the locking position, the connecting portion and the matching portion form fixed connection, when the operating portion is located at the unlocking position, the connecting portion is movable relative to the matching portion, when the connecting lock is used, the display screen box bodies are connected and spliced only by rotating the operating portion, and installation and splicing efficiency is greatly.
Description
Technical Field
The application belongs to the technical field of the display screen, especially, relate to a connecting device for L ED display screen.
Background
Along with the more and more extensive application of display screens, higher requirements are also put forward on the installation speed of the display screen splicing, the splicing of the display screens at present is generally completed by connecting the connecting devices arranged on the upper side, the lower side, the left side and the right side of the display screen box body, one connecting device needs to be arranged between two adjacent display screen box bodies, and the number of the connecting devices is more; however, in the actual splicing process, due to the fact that the number of the connecting devices is large, the connecting operation steps are multiple, time is too long, the quick function cannot be achieved, the number of parts is large, and the loss rate is high.
Disclosure of Invention
The application aims to provide a connecting device for an L ED display screen, and aims to solve the technical problem that in the prior art, when the display screen is spliced, the number of the connecting devices is large, so that the connecting operation steps are long and time is consumed.
In order to achieve the purpose, the technical scheme includes that the connecting device for the L ED display screen comprises a plurality of boxes, each box is provided with a connecting portion used for detachably connecting the connecting device, and the connecting device comprises:
the matching part is matched with the connecting part and forms detachable connection;
a movable part for fixedly connecting or forming the fitting part;
the operating part is used for a user to operate so as to drive the movable part and the matching part to rotate by taking a first axis as a shaft; the operating part is connected with or formed on the movable part;
the operating part is provided with a locking position and an unlocking position, and when the operating part is positioned at the locking position, the connecting part and the matching part form fixed connection; when the operating part is located at the unlocking position, the connecting part can move relative to the matching part.
Optionally, the connecting means comprises a plurality of said mating portions; each connecting part and each matching part are arranged in a one-to-one correspondence mode and respectively form detachable connection.
Optionally, the connecting portion is a connecting column extending in a direction parallel to the first axis, and the fitting portion is a through hole fitted with the connecting column.
Optionally, the fitting portion is a connecting column extending in a direction parallel to the first axis, and the connecting portion is a through hole fitted with the fitting portion.
Optionally, the through-hole along the circumference of first axis include the joint section and with the section of wearing to establish of joint section intercommunication, the aperture of wearing to establish the section is greater than the aperture of joint section.
Optionally, a protrusion is arranged above the clamping section along a direction parallel to the first axis, the protrusion is closer to the penetrating section, and the height of the protrusion is smaller.
Optionally, a groove extending along the circumferential direction of the connecting column is formed in the outer circumferential wall of the connecting column; when the operating part is located at the locking position, the protrusion is embedded into the groove and forms interference fit with the groove.
Optionally, each of the connecting portions is uniformly spaced along a circumferential direction of the first axis and is symmetrical with respect to the first axis; each of the fitting portions is provided at regular intervals in a circumferential direction of the first axis and is centrosymmetric with respect to the first axis.
Optionally, the connecting device further comprises an elastic member connected to the connecting portion or the fitting portion and elastically moving in a direction parallel to the first axis.
Optionally, the operating portion is provided on a surface of the movable portion in a direction parallel to the first axis; when the operating part rotates around the first axis along a first direction by a preset angle, the operating part is switched from the unlocking position to the locking position; when the operating portion is rotated by a preset angle in a second direction opposite to the first direction about the first axis, the operating portion is switched from the locking position to the unlocking position; the preset angle is greater than or equal to 10 degrees and less than or equal to 50 degrees.
When the connecting device is used, after the plurality of box bodies are spliced together, the connecting parts on the plurality of box bodies are installed on the matching parts, then the operating part is rotated, the operating part drives the matching parts and the movable parts to rotate, after the operating part rotates to the locking position, the connecting parts on the box bodies are fixed on the matching parts, so that the box bodies are spliced, when the operating part rotates reversely, the operating part drives the matching parts and the movable parts to rotate reversely until the operating part rotates to the unlocking position, the connecting parts on the box bodies and the matching parts can move, so that the box bodies are separated, when an L ED display screen is spliced, the box bodies can be spliced only by adopting one connecting device of the embodiment, the operation is simple, the operation can be realized only by rotating the operating part, and the installation and splicing efficiency is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a display screen mounted with a connection device according to an embodiment of the present disclosure.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of the connecting device shown in fig. 2.
Fig. 4 is a sectional view taken along line B-B in fig. 3.
Fig. 5 is an exploded view of the connection device shown in fig. 3.
Fig. 6 is a schematic view showing the structure of a disc of the connecting device shown in fig. 5.
Fig. 7 is a schematic structural view of a connection post of the connection device shown in fig. 5.
Wherein, in the figures, the respective reference numerals:
10-box body 11-fixing hole 12-threaded hole
13-connecting part 20-connecting means 21-moving part
22-connecting column 23-elastic piece 24-fastener
25-positioning ring 26-shell 27-screw
28-fitting part 29-operating part 211-through hole
212-projection 213-rotary column 214-second limit projection
215-rotating handle 221-groove 222-first limiting protrusion
261-installation cavity 262-loose screw 263-rotation hole
264-limiting arc-shaped hole 265-connecting hole 266-mounting hole
2111-through section 2112-clamping section.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-7 are exemplary and intended to be used to illustrate the present application and should not be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, is not to be considered as limiting.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In one embodiment of the present application, as shown in fig. 1 to 7, there is provided a connecting device 20 for an L ED display screen, L ED display screen including a plurality of cases 10, each case 10 being provided with a connecting portion 13 for detachably connecting the connecting device 20, the connecting device 20 including:
a fitting portion 28 fitted to the connecting portion 13 and constituting a detachable connection; one connecting part 13 can be arranged on one box body 10, and a plurality of connecting parts 13 can also be arranged on the other box body 10, wherein at least one connecting part 13 on each box body 10 is detachably connected with the matching part 28; of course, the number of the matching portions 28 may be multiple, and the matching portions 28 and the connecting portions 13 are arranged in a one-to-one correspondence; the number of the matching parts 28 can also be one, and a plurality of connecting parts 13 on the box bodies 10 which need to be spliced together are detachably connected with one matching part 28.
A movable portion 21 for fixedly connecting or forming a fitting portion 28; note that, the movable portion 21 may provide a mounting base for the engagement portion 28, or a structure for forming the engagement portion 28 may be directly provided on the movable portion 21.
An operation part 29 for a user to operate to drive the movable part 21 and the fitting part 28 to rotate around a first axis C-C; the operation portion 29 is connected to or formed on the movable portion 21; note that, the operation portion 29 may be a member attached to the movable portion 21, or a structure forming the movable portion 21 may be provided directly on the movable portion 21.
Wherein, the operation part 29 has a locking position and an unlocking position, when the operation part 29 is positioned at the locking position, the connecting part 13 and the matching part 28 form a fixed connection; when the operating portion 29 is located at the unlocking position, the connecting portion 13 is movable relative to the fitting portion 28.
Specifically, in the connecting device 20 of the embodiment of the present application, when in use, after the plurality of boxes 10 are spliced together, the connecting portion 13 on the plurality of boxes 10 is mounted on the fitting portion 28, and then the operating portion 29 is rotated, the operating portion 29 drives the fitting portion 28 and the movable portion 21 to rotate, after the operating portion 29 rotates to the locking position, the connecting portion 13 on the box 10 is fixed on the fitting portion 28, thereby realizing splicing of the boxes 10, when the operating portion 29 is reversed, the operating portion 29 drives the fitting portion 28 and the movable portion 21 to reversely rotate, until the operating portion 29 rotates to the unlocking position, the connecting portion 13 on the box 10 and the fitting portion 28 are movable, thereby realizing separation of the boxes 10, when an ED display screen is spliced at L, only one connecting device 20 of the embodiment of the present application is needed, and the splicing of the boxes 10 can be realized by only rotating the operating portion 29, and the mounting and splicing efficiency is greatly improved.
In another embodiment of the present application, referring to fig. 3, 4 and 5, the connection device 20 is provided, which includes a plurality of matching portions 28, and each connection portion 13 and each matching portion 28 are disposed in a one-to-one correspondence and respectively form a detachable connection, specifically, the connection portions 13 and the matching portions 28 are connected together in a one-to-one correspondence, and the connection structure has good stability and reliability, and the L ED display screen has good stability and reliability in splicing.
In another embodiment of the present application, the connection portion 13 of the connection device 20 is provided as a connection post 22 extending in a direction parallel to the first axis C-C, and the mating portion 28 is a through hole 211 mated with the connection post 22. Specifically, the spliced pole 22 inserts in the through-hole 211 back, rotate operation portion 29 again, operation portion 29 drives through-hole 211 and rotates along first axis C-C, make spliced pole 22 rotate for through-hole 211, make spliced pole 22 different positions in through-hole 211, thereby realize spliced pole 22 and movable part 21's fixed and separation, adopt the structure of spliced pole 22 and through-hole 211, realize connecting portion 13 and cooperation portion 28's the connection of dismantling, a structure is simple, the manufacture is convenient, in addition, spliced pole 22 aims at the accuracy of inserting in through-hole 211 good, the difficult inclined to one side problem of inserting that appears, connection stability and good reliability.
In another embodiment of the present application, referring to fig. 4, 5 and 6, the mating portion 28 of the connecting device 20 is provided as a connecting post 22 extending in a direction parallel to the first axis C-C, and the connecting portion 13 is provided as a through hole 211 that mates with the mating portion 28. Specifically, after the connecting column 22 is inserted into the through hole 211, the operation part 29 is rotated, the operation part 29 drives the connecting column 22 to rotate along the first axis C-C, the connecting column 22 rotates relative to the through hole 211, the connecting column 22 is arranged at different positions in the through hole 211, the fixing and the separation of the connecting column 22 and the movable part 21 are realized, the structures of the connecting column 22 and the through hole 211 are adopted, the detachable connection of the connecting part 13 and the matching part 28 is realized, the structure is simple, and the manufacture is convenient.
In another embodiment of the present application, referring to fig. 6, the through hole 211 of the connection device 20 is provided to include a clamping section 2112 and a through section 2111 communicating with the clamping section 2112 along the circumference of the first axis C-C, and the aperture D1 of the through section 2111 is larger than the aperture D2 of the clamping section 2112. Specifically, after the connection column 22 is inserted into the through section 2111 of the through hole 211, the operation portion 29 rotates, so that the connection column 22 enters the clamping section 2112, because the aperture D1 of the through section 2111 is larger than the aperture D2 of the clamping section 2112, the connection column 22 is rotated into the clamping section 2112 and then clamped in the clamping section 2112, thereby fixing the matching portion 28 and the connection portion 13 is realized, when the operation portion 29 rotates reversely, the connection column 22 is separated from the clamping section 2112 and enters the through section 2111, thereby solving the clamping fixation of the clamping section 2112, separating the matching portion 28 from the connection portion 13, and realizing the separation of the box body 10.
Further, it should be noted that the through hole 211 extends along the circumferential arc of the first axis C-C, so as to avoid the connecting column 22 interfering with the through hole 211, and ensure the smooth rotation of the operating portion 29.
Furthermore, it should be noted that the outer diameter of the connection post 22 is larger than the aperture D2 of the clamping section 2112, and the outer diameter of the connection post 22 is smaller than the aperture D1 of the through section 2111, so as to ensure that the connection post 22 is smoothly inserted into and removed from the through hole 211, and the connection post 22 is stably clamped into the clamping section 2112, thereby realizing the splicing of the box 10, wherein the aperture D1 of the through section 2111 and the aperture D2 of the clamping section 2112 refer to the diameter of the connection post through which the connection post 22 is thickest that the through hole 211 allows. That is, neither aperture D1 through section 2111 nor aperture D2 of clamping section 2112 may be unique values. The aperture D1 of the through section 2111 is equal to or larger than the aperture D2 of the snap section 2112, and further, when at least one of the aperture D1 of the through section 2111 and the aperture D2 of the snap section 2112 is not a unique value, the minimum value of the aperture D1 of the through section 2111 is equal to or larger than the maximum value of the aperture D2 of the snap section 2112. Referring to fig. 6, in this embodiment, the aperture D1 of the through section 2111 and the aperture D2 of the clamping section 2112 are both approximately unique values, wherein the through section 2111 is approximately arc-shaped, the diameter of the arc is the aperture D1 of the through section 2111, the clamping section 2112 is composed of a parallel section communicated with the through section 2111 and a semi-arc section away from the through section 2111, and the diameter of the semi-arc is approximately equal to the width of the parallel section in the radial direction, which is the aperture D2 of the clamping section 2112.
More specifically, referring to fig. 1, 2 and 3, four corners of each box 10 are provided with connecting posts 22, the movable portion 21 is provided with four through holes 211, when the four boxes 10 are spliced together, the ends of the four connecting posts 22 at the splicing position of the four boxes 10 are respectively inserted into the through sections 2111 of the four through holes 211 in a one-to-one correspondence manner, and then the operating portion 29 is rotated, so that the four connecting posts 22 are respectively clamped in the clamping sections 2112 of the four through holes 211, thereby connecting the four boxes 10 into a whole.
Further, it should be noted that the connection column 22 is disposed perpendicular to the back of the box body 10, so that the connection column 22 is conveniently disposed in the through hole 211 in a penetrating manner, that is, the first axis C-C is disposed perpendicular to the back of the box body 10.
In other embodiments, the matching portion 28 is formed by a plurality of through holes 211, so that one matching portion 28 can be matched with a plurality of connecting columns 22, thereby meeting the splicing requirement of the box body 10.
In another embodiment of the present application, referring to fig. 5 and 6, the movable portion 21 may be a circular disc, the through holes 211 are disposed at intervals along the circumferential direction of the circular disc and extend along the circumferential direction of the circular disc, the circular disc provides a supporting base for the through holes 211, after the connecting column 22 is inserted into the through section 2111 of the through hole 211, the operation portion 29 is rotated, the circular disc is driven to rotate, so that the connecting column 22 is clamped into the clamping section 2112, splicing of L ED display screens can be achieved, furthermore, the operation portion 29 directly drives the circular disc to rotate, the whole structure is simple, the motion of the circular disc is simple, the accuracy of motion is good, it is ensured that the connecting column 22 can be accurately and stably clamped into the clamping section 2112, and the stability of.
In another embodiment of the present application, referring to fig. 3 and 4, the connecting device 20 is further provided with a housing 26, the housing 26 is provided with a mounting cavity 261 having an opening, and the disc is rotatably mounted in the mounting cavity 261. Specifically, the housing 26 provides a mounting base for the disk, and the disk is located in the mounting cavity 261, so that the disk can be prevented from being separated from the connecting column 22 due to the fact that an external component contacts the disk, the splicing reliability of the box body 10 is guaranteed, and meanwhile, the disk can be protected.
In another embodiment of the present application, referring to fig. 3, 4 and 5, a plurality of mounting holes 266 are provided on a bottom surface of a mounting cavity 261 of the connecting device 20, each mounting hole 266 is provided with a release screw 262 therein, each release screw 262 is respectively disposed in one-to-one correspondence with each box 10, each box 10 is provided with a threaded hole 12, and each release screw 262 is respectively screwed into each threaded hole 12. Specifically, in the process of screwing the release screw 262, the release screw 262 rotates in the threaded hole 12, so as to drive the box 10 to move close to or away from the housing 26, and further to move the box 10 back and forth relative to the adjacent box 10, thereby ensuring that the display screen has good flatness.
In another embodiment of the present application, as shown in fig. 3, 4 and 5, a rotation column 213 is provided at the center of the circular disc of the connection device 20, and the axis of the rotation column 213 coincides with the first axis C-C; the bottom surface of the mounting cavity 261 is provided with a rotation hole 263, and the rotation column 213 passes through the rotation hole 263 and rotates in the rotation hole 263. Specifically, the rotation post 213 passes through the rotation hole 263, so that a worker can rotate the disc by holding the end of the post rotation post 213, the rotation operation is easier, and at the same time, the rotation hole 263 supports the rotation post 213, so that the rotation of the disc is more stable and reliable.
In another embodiment of the present application, referring to fig. 3, 4 and 5, a rotating handle 215 for a worker to hold is provided on an end of the rotating column 213 of the connecting device 20 passing through the rotating hole 263, and the rotating handle 215 is an operating portion 29. Specifically, the staff rotates through turning handle 215, and its operation is labour saving and time saving more, convenient and fast.
Further, the rotating handle 215 is fixed on the rotating column 213 through the screw 27, and the installation structure is simple to operate; at the same time, the rotary handle 215 abuts against the housing 26, so that the disk is fixed to the housing 26 in the axial direction of the rotary column 213.
In another embodiment of the present application, referring to fig. 6, a protrusion 212 is provided above the clamping section 2112 of the connecting device 20 along a direction parallel to the first axis C-C, and the height of the protrusion 212 is smaller as the protrusion 212 is closer to the through section 2111. Specifically, the protrusion 212 has magnetism, and the connection post 22 is provided with a magnetic part (not shown) magnetically attracted to the protrusion 212, so that when the connection post 22 is rotated into the clamping section 2112, the magnetic part gradually rises along the end surface of the protrusion 212 until the magnetic part is completely attached to the end surface of the protrusion 212, and through the magnetic adsorption effect of the protrusion 212 and the magnetic part, the connection of the connection post 22 in the clamping section 2112 is stable and reliable, and the box body 10 is stably and reliably spliced; meanwhile, the closer the protrusion 212 is to the penetrating section 2111, the smaller the height of the protrusion 212 is, and the end face of the protrusion 212 rises to provide a guiding effect for the rotation of the magnetic part, so that the magnetic part is more smoothly attached to the end face of the protrusion 212, and the effect of improving the connection reliability is achieved.
In another embodiment of the present application, referring to fig. 6, a groove 221 extending along a circumferential direction of the connection post 22 is provided on an outer circumferential wall of the connection post 22 of the connection device 20, when the operation portion 29 is located at the locking position, the protrusion 212 is inserted into the groove 221 and forms an interference fit with the groove 221, specifically, an outer diameter of the connection post 22 at the groove 221 is smaller than an aperture D2 of the clamping section 2112, and an outer diameter of the connection post 22 is smaller than an aperture D1 of the through section 2111, so that an end of each connection post 22 passes through the through section 2111 until the groove 221 is aligned with the through section 2111, the operation portion 29 is rotated, and a periphery of the clamping section 2112 is inserted into the groove 221 in a one-to-one correspondence manner, that the connection post 22 is clamped into the clamping section 2112, thereby connecting the boxes 10 joined together into a whole to complete the splicing of the boxes 10, and meanwhile, when the operation portion 29 drives the through hole 211 to rotate towards the locking position, the protrusion 212 is gradually clamped into the groove 221, as the protrusion 212 is closer to the through hole 2111, the height of the protrusion 212 is smaller, the protrusion is gradually inserted into the groove 221, so that the connection device is more stably matched with the connection.
In this embodiment, the connecting device 20 has a simple structure, which greatly reduces the cost of the display screen box 10, and meanwhile, the connecting device 20 has a small number of components, occupies a small installation space of the display screen box 10, and is beneficial to the miniaturization and lightweight design of the display screen box 10.
Further, the protrusion 212 extends along the periphery of the locking section 2112, so that the protrusion 212 gradually enters the groove 221 with the rotation of the operating portion 29, so that the locking of the connecting post 22 and the through hole 211 is smooth and reliable, which facilitates the detachment of the connecting post 22 and the through hole 211.
In another embodiment of the present application, referring to fig. 6, the connection means 20 is provided such that the respective connection portions 13 are uniformly spaced in the circumferential direction of the first axis C-C and are centrosymmetric with respect to the first axis C-C; the respective fitting portions 28 are arranged at regular intervals in the circumferential direction of the first axis C-C and are centrosymmetric with respect to the first axis C-C. Specifically, the connecting portions 13 and the matching portions 28 are uniformly arranged at intervals in the circumferential direction of the first axis C-C about the first axis C-C, and the structure of the connecting portions is symmetrical, so that the matching portions 28 do not need to be connected with specific connecting portions 13, and thus, in the process of splicing the box bodies 10, the connecting operation of the matching portions 28 and the connecting portions 13 is simpler and the universality is higher.
In another embodiment of the present application, the connection device 20 of the connection device 20 is further provided to include an elastic member 23, and the elastic member 23 is connected to the connection portion 13 and elastically moves in a direction parallel to the first axis C-C. Specifically, one end of the elastic member 23 is connected to the box 10, the other end of the elastic member 23 is connected to the connecting portion 13, and then in the process of rotating the operating portion 29 to the locking position, the groove wall surface of the groove 221 slides in the clamping section 2112 along the end surface of the protrusion 212, because the height dimension of the protrusion 212 becomes smaller and smaller as the protrusion 212 gets closer to the penetrating section 2111, the connecting post 22 gradually gets closer to the matching portion 28 along the axial direction of the connecting post 22, and the elastic member 23 is gradually compressed, and then after the operating portion 29 rotates to the locking position, the groove wall surface of the groove 221 tightly abuts against the end surface of the protrusion 212 under the elastic action of the elastic member 23, so that the clamping section 2112 and the connecting post 22 are locked, and the connection between the boxes 10 is stable and reliable.
Further, a first limiting protrusion 222 is arranged on the outer peripheral wall of the connecting column 22, the first limiting protrusion 222 is located on the side, close to the box body 10, of the groove 221, a fixing hole 11 is formed in the box body 10, the end portion of the connecting column 22 penetrates through the fixing hole 11 and then is fixedly connected with the fastener 24, the first limiting protrusion 222 abuts against the surface, facing the disc, of the box body 10, the elastic piece 23 is sleeved on the fastener 24, and two ends of the elastic piece 23 abut against the surface, facing away from the disc, of the box body 10 and the fastener 24 respectively. The fixing hole 11 on the display screen provides an installation space for the connecting column 22, and plays a role of supporting the connecting column 22, and the fastener 24 is used for fixing the elastic member 23 and the connecting column 22, so that the connecting column 22 is prevented from falling off from the fixing hole 11.
In another embodiment of the present application, referring to fig. 3 and 4, the connecting device 20 further includes a positioning ring 25, the positioning ring 25 is sleeved on the fastening member 24, the positioning ring 25 is located between the surface of the box 10 facing away from the disc and the elastic member 23, and the elastic member 23 abuts against the positioning ring 25. Specifically, the inner hole of the positioning ring 25 can play a guiding role for the movement of the fastener 24, so that the locking column is prevented from being inclined and jammed, and the elastic part 23 is separated from the box body 10 by the positioning ring 25, so that the box body 10 is protected.
Preferably, the elastic member 23 is a spring.
Further, the fastener 24 may be a screw or bolt 27; the elastic element 23 is sleeved on the screw rod of the screw or the screw 27, and the end of the elastic element 23 is tightly pressed on the nut of the screw or the screw 27.
In another embodiment of the present application, the connection device 20 of the connection device 20 is further provided to include an elastic member 23, the elastic member 23 being connected to the fitting portion 28 and elastically moving in a direction parallel to the first axis C-C. Specifically, one end of the elastic member 23 is connected to the movable portion 21, and the other end of the elastic member 23 is connected to the matching portion 28, so that in the process of rotating the operating portion 29 to the locking position, the groove wall surface of the groove 221 slides in the clamping section 2112 along the end surface of the protrusion 212, and since the height dimension of the protrusion 212 becomes smaller and smaller as the protrusion 212 gets closer to the penetrating section 2111, the connecting post 22 gradually gets closer to the connecting portion 13 along the axial direction of the connecting post 22, and the elastic member 23 is gradually stretched, so that after the operating portion 29 rotates to the locking position, the groove wall surface of the groove 221 tightly abuts against the end surface of the protrusion 212 under the elastic action of the elastic member 23, and thus the clamping section 2112 and the connecting post 22 are locked, and the connection between the boxes 10 is stable and.
In another embodiment of the present application, the operating portion 29 of the connecting device 20 is provided on the surface of the movable portion 21 in a direction parallel to the first axis C-C; when the operating portion 29 is rotated in the first direction by a preset angle about the first axis C-C, the operating portion 29 is switched from the unlock position to the lock position; when the operating portion 29 is rotated by a preset angle in a second direction opposite to the first direction about the first axis C-C, the operating portion 29 is switched from the locking position to the unlocking position; the preset angle is 10 ° or more and 50 ° or less. Specifically, the preset angle may be 10 °, 15 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 °, or 50 °; within the preset angle range, the rotating angle of the operating part 29 is proper, so that the connecting device 20 is convenient to mount, and the box body 10 is stably and reliably spliced; if the preset angle is too small, the rotation angle of the disc is too small, the area of the connecting column 22 clamped in the clamping section 2112 is small, and the connection reliability is poor; if the preset angle is too large, the extension length of the through hole 211 is too long, the structural strength of the whole disc is weak, and the disc is easy to damage.
Further, the preset angle range can be 20-40 degrees, and the preset angle range can be 25-35 degrees; preferably, the preset angle is 30 °.
In another embodiment of the present application, referring to fig. 2, 3 and 4, a plurality of connection holes 265 are formed on a bottom surface of the installation cavity 261 of the connection device 20, and when the connection device 20 is installed on the box body 10, the end of each connection column 22 facing away from the box body 10 is inserted into each connection hole 265 in a one-to-one correspondence manner. Specifically, when the housing 26 is fastened to the joint of each box 10, the connecting posts 22 are inserted into the connecting holes 265 in a one-to-one correspondence manner, so as to preliminarily connect the boxes 10 together, thereby preventing the boxes 10 from falling off due to stress on the connecting posts 22 in the subsequent process of rotating the disk.
In another embodiment of the present application, referring to fig. 2, a limiting arc hole 264 centered on the first axis C-C is provided on the bottom surface of the installation cavity 261 of the connection device 20, the limiting arc hole 264 extends along the rotation direction of the disc, a second limiting protrusion 214 is provided on the disc, and the second limiting protrusion 214 extends into the limiting arc hole 264. Specifically, the circumferential angle corresponding to the limiting arc-shaped hole 264 is a preset angle, so that the second limiting protrusion 214 moves in the limiting arc-shaped hole 264 in the process of rotating the disc, and when the second limiting protrusion 214 moves to the two ends of the limiting arc, the second limiting protrusion 214 cannot move, so that excessive rotation of the disc is limited, and the connecting column 22 is damaged. Further, in a specific using process, when the disc rotates to the end of the connecting column 22 located at the penetrating section 2111 of the groove 221 facing away from the clamping section 2112, the connecting device 20 is located at the unlocking position, and the connecting column 22 can be separated from the penetrating section 2111, so that the box body 10 is separated; when the disc rotates to the end of the clamping section 2112 opposite to the penetrating section 2111, the connecting device 20 is in a locked state, and the connecting column 22 is completely clamped in the clamping section 2112 of the groove 221, so that the box body 10 is spliced; meanwhile, in the process of rotating the disc, whether the connecting column 22 is clamped into the clamping section 2112 of the groove 221 can be judged through the position of the second limiting protrusion 214 in the limiting arc-shaped groove, so that whether the connecting device 20 is in an unlocking state or a locking state is judged, and the operation of workers is facilitated.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (10)
1. A connecting device for an L ED display screen, wherein the L ED display screen comprises a plurality of boxes, each box is provided with a connecting part for detachably connecting the connecting device, and the connecting device comprises:
the matching part is matched with the connecting part and forms detachable connection;
a movable part for fixedly connecting or forming the fitting part;
the operating part is used for a user to operate so as to drive the movable part and the matching part to rotate by taking a first axis as a shaft; the operating part is connected with or formed on the movable part;
the operating part is provided with a locking position and an unlocking position, and when the operating part is positioned at the locking position, the connecting part and the matching part form fixed connection; when the operating part is located at the unlocking position, the connecting part can move relative to the matching part.
2. The connection device of claim 1, wherein:
the connecting device comprises a plurality of the matching parts; each connecting part and each matching part are arranged in a one-to-one correspondence mode and respectively form detachable connection.
3. The connection device of claim 1, wherein:
the connecting portion is a connecting column extending in a direction parallel to the first axis, and the matching portion is a through hole matched with the connecting column.
4. The connection device of claim 1, wherein:
the matching part is a connecting column extending in the direction parallel to the first axis, and the connecting part is a through hole matched with the matching part.
5. The connection device of claim 3, wherein:
the through-hole is followed the circumference of primary shaft line include the joint section and with the section of wearing to establish of joint section intercommunication, the aperture of wearing to establish the section is greater than the aperture of joint section.
6. The connection device of claim 5, wherein:
the clamping section is provided with a bulge along the direction parallel to the first axis, the bulge is closer to the penetrating section, and the height of the bulge is smaller.
7. The connection device of claim 6, wherein:
the outer peripheral wall of the connecting column is provided with a groove extending along the circumferential direction of the connecting column; when the operating part is located at the locking position, the protrusion is embedded into the groove and forms interference fit with the groove.
8. The connection device of claim 2, wherein:
the connecting parts are uniformly arranged at intervals along the circumferential direction of the first axis and are in central symmetry with the first axis; each of the fitting portions is provided at regular intervals in a circumferential direction of the first axis and is centrosymmetric with respect to the first axis.
9. The connecting device according to any one of claims 1 to 8, wherein:
the connecting device further comprises an elastic piece which is connected to the connecting part or the matching part and elastically moves along a direction parallel to the first axis.
10. The connecting device according to any one of claims 1 to 8, wherein:
the operating part is arranged on the surface of the movable part along a direction parallel to the first axis; when the operating part rotates around the first axis along a first direction by a preset angle, the operating part is switched from the unlocking position to the locking position; when the operating portion is rotated by a preset angle in a second direction opposite to the first direction about the first axis, the operating portion is switched from the locking position to the unlocking position; the preset angle is greater than or equal to 10 degrees and less than or equal to 50 degrees.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010147011.8A CN111396412B (en) | 2020-03-05 | 2020-03-05 | Connecting device for LED display screen |
| PCT/CN2021/078726 WO2021175219A1 (en) | 2020-03-05 | 2021-03-02 | Connecting device for led display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010147011.8A CN111396412B (en) | 2020-03-05 | 2020-03-05 | Connecting device for LED display screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111396412A true CN111396412A (en) | 2020-07-10 |
| CN111396412B CN111396412B (en) | 2022-04-19 |
Family
ID=71434507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010147011.8A Active CN111396412B (en) | 2020-03-05 | 2020-03-05 | Connecting device for LED display screen |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111396412B (en) |
| WO (1) | WO2021175219A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114340277A (en) * | 2022-01-28 | 2022-04-12 | 利亚德光电股份有限公司 | Plug-pull assembly of LED display device, LED box body assembly and LED display device |
| CN114791011A (en) * | 2021-01-25 | 2022-07-26 | 神讯电脑(昆山)有限公司 | Connection fixing component and display device using same |
| WO2023273380A1 (en) * | 2021-06-29 | 2023-01-05 | 京东方科技集团股份有限公司 | Splicing and assembling piece for bearing box, and spliced display device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114286572A (en) * | 2022-01-28 | 2022-04-05 | 利亚德光电股份有限公司 | Opposite-insertion assembly of LED display device, LED box body assembly and LED display device |
| CN115064087B (en) * | 2022-05-30 | 2024-07-16 | 深圳金立翔视效科技有限公司 | Mounting lock and display screen |
| CN116614987B (en) * | 2023-05-22 | 2023-10-20 | 南京天润通信科技有限公司 | Comprehensive container rack |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006106046A (en) * | 2004-09-30 | 2006-04-20 | Toshiba Transport Eng Inc | Connector and video display apparatus |
| KR20110097076A (en) * | 2010-02-24 | 2011-08-31 | (주)웨이브스타 | Attaching and detaching structure of led module for electric sign |
| CN202073880U (en) * | 2011-03-18 | 2011-12-14 | 北京彩讯科技股份有限公司 | Rapid installation structure of ultrathin LED (light-emitting diode) splicing display unit |
| CN103438061A (en) * | 2013-09-06 | 2013-12-11 | 利亚德光电股份有限公司 | Connecting device and LED (Light Emitting Diode) display unit with same |
| US20150335174A1 (en) * | 2011-05-10 | 2015-11-26 | Anthony, Inc. | Display case door with transparent lcd panel |
| EP3176631A1 (en) * | 2015-12-04 | 2017-06-07 | Samsung Electronics Co., Ltd. | Display apparatus |
| CN207278632U (en) * | 2017-07-19 | 2018-04-27 | 深圳市雷迪奥视觉技术有限公司 | Curved surface mounting structure, display screen, combined type display screen |
| CN207909436U (en) * | 2018-01-03 | 2018-09-25 | 深圳市洲明科技股份有限公司 | One kind facing display screen splicing structure directly |
| CN108953897A (en) * | 2018-09-27 | 2018-12-07 | 深圳市雷迪奥视觉技术有限公司 | A kind of rotation lock, rotation latch mechanism and display device |
| CN108986679A (en) * | 2018-09-21 | 2018-12-11 | 惠州市艾比森光电有限公司 | Display module splicing construction and display screen |
| CN208831411U (en) * | 2018-08-23 | 2019-05-07 | 深圳利亚德光电有限公司 | Fixation kit and LED display with it |
-
2020
- 2020-03-05 CN CN202010147011.8A patent/CN111396412B/en active Active
-
2021
- 2021-03-02 WO PCT/CN2021/078726 patent/WO2021175219A1/en active Application Filing
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006106046A (en) * | 2004-09-30 | 2006-04-20 | Toshiba Transport Eng Inc | Connector and video display apparatus |
| KR20110097076A (en) * | 2010-02-24 | 2011-08-31 | (주)웨이브스타 | Attaching and detaching structure of led module for electric sign |
| CN202073880U (en) * | 2011-03-18 | 2011-12-14 | 北京彩讯科技股份有限公司 | Rapid installation structure of ultrathin LED (light-emitting diode) splicing display unit |
| US20150335174A1 (en) * | 2011-05-10 | 2015-11-26 | Anthony, Inc. | Display case door with transparent lcd panel |
| CN103438061A (en) * | 2013-09-06 | 2013-12-11 | 利亚德光电股份有限公司 | Connecting device and LED (Light Emitting Diode) display unit with same |
| EP3176631A1 (en) * | 2015-12-04 | 2017-06-07 | Samsung Electronics Co., Ltd. | Display apparatus |
| CN207278632U (en) * | 2017-07-19 | 2018-04-27 | 深圳市雷迪奥视觉技术有限公司 | Curved surface mounting structure, display screen, combined type display screen |
| CN207909436U (en) * | 2018-01-03 | 2018-09-25 | 深圳市洲明科技股份有限公司 | One kind facing display screen splicing structure directly |
| CN208831411U (en) * | 2018-08-23 | 2019-05-07 | 深圳利亚德光电有限公司 | Fixation kit and LED display with it |
| CN108986679A (en) * | 2018-09-21 | 2018-12-11 | 惠州市艾比森光电有限公司 | Display module splicing construction and display screen |
| CN108953897A (en) * | 2018-09-27 | 2018-12-07 | 深圳市雷迪奥视觉技术有限公司 | A kind of rotation lock, rotation latch mechanism and display device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791011A (en) * | 2021-01-25 | 2022-07-26 | 神讯电脑(昆山)有限公司 | Connection fixing component and display device using same |
| WO2023273380A1 (en) * | 2021-06-29 | 2023-01-05 | 京东方科技集团股份有限公司 | Splicing and assembling piece for bearing box, and spliced display device |
| CN114340277A (en) * | 2022-01-28 | 2022-04-12 | 利亚德光电股份有限公司 | Plug-pull assembly of LED display device, LED box body assembly and LED display device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021175219A1 (en) | 2021-09-10 |
| CN111396412B (en) | 2022-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111396412B (en) | Connecting device for LED display screen | |
| WO2022047882A1 (en) | Support frame and camera device | |
| US8369702B2 (en) | Electronic devices with component mounting structures | |
| AU2021204997B9 (en) | Hair dryer and air nozzle thereof | |
| CN108320671B (en) | Connection structure and display device | |
| CN210186414U (en) | Second-order magic cube with positioning system | |
| KR20120087453A (en) | Universal caster | |
| CN219987629U (en) | Robot hand quick change device and robot | |
| CN207718734U (en) | Fast Installation or so connection lock | |
| CN208619472U (en) | Bian Suo, bindiny mechanism and display screen | |
| CN210091617U (en) | Angle lock mechanism and display device | |
| CN111481918A (en) | Three-order magic cube with axis magnetic attraction positioning function | |
| CN206470515U (en) | A kind of filter support simply assembled | |
| CN217205857U (en) | Handle device for preventing peephole from being unlocked and door lock | |
| CN209893064U (en) | Hoisting device | |
| CN210717191U (en) | Magnetic suction folding lamp | |
| CN103836559A (en) | Flashlight and fixing structure thereof | |
| CN209743378U (en) | Rotating shaft device and equipment assembly with same | |
| US20240218961A1 (en) | Gimbal and photographic device stand | |
| CN215258985U (en) | Tripod | |
| CN215411082U (en) | Assembly and disassembly assembly and installation device | |
| CN219462474U (en) | Magic cube with detachable axle center | |
| CN216290420U (en) | Micromotor packaging structure convenient to dismantle | |
| CN216768869U (en) | Connecting frame for camera | |
| CN214760390U (en) | Novel coupling mechanism of rotatable screen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |