CN107067987B - Connecting mechanism for LED display screen box body - Google Patents
Connecting mechanism for LED display screen box body Download PDFInfo
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- CN107067987B CN107067987B CN201710418965.6A CN201710418965A CN107067987B CN 107067987 B CN107067987 B CN 107067987B CN 201710418965 A CN201710418965 A CN 201710418965A CN 107067987 B CN107067987 B CN 107067987B
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- display screen
- led display
- screen box
- rod part
- bolt
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—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
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses a connecting mechanism of an LED display screen box body, which comprises a mounting plate, a positioning pin and a bolt; the mounting plate is provided with a first through hole matched with the positioning pin, the positioning pin can be movably arranged along the axial direction of the first through hole, one end of the positioning pin is connected with the LED display screen box body, and the other end of the positioning pin is radially provided with a round hole; the bolt comprises an oval first rod part, the long axis of the section of the first rod part is not larger than the diameter of the round hole, and the first rod part can move in the round hole along the axial direction of the round hole; the LED display screen box body and the bolt are respectively positioned on two sides of the mounting plate; the mounting plate is provided with a fixing piece for preventing the bolt from rotating. The positioning pin is pulled by rotation of the bolt to tighten the LED display screen box body, and when the connecting mechanism is connected with a plurality of LED display screen box bodies, each LED display screen box body can tightly support the mounting plate, so that the mounting flatness of the LED display screen box bodies is greatly improved; the structure is simple, the requirement on machining precision is low, and the cost control is facilitated.
Description
Technical Field
The invention relates to an LED display screen, in particular to a connecting mechanism of a box body of the LED display screen.
Background
An LED display screen usually comprises a plurality of LED display screen boxes that are equipped with display module assembly, and current LED display screen producer generally uses locating pin, ripples pearl or mounting panel to connect the adjacent LED display screen box of location, and locating pin and ripples pearl size precision require highly, can't satisfy the location demand of adjacent box if locating pin and ripples pearl size precision are not enough, consequently, adopt locating pin or ripples pearl to connect adjacent LED display screen box and can lead to the improvement of the manufacturing cost of LED display screen. The conventional mounting plate can only simply fix the box body, the flatness of splicing adjacent box bodies cannot be guaranteed, and a novel connecting mechanism of the LED display screen box body is urgently needed to be created for reducing the cost and improving the splicing flatness of the box bodies.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a low-cost LED display screen box coupling mechanism, this coupling mechanism can also improve the roughness of adjacent LED display screen box concatenation.
In order to solve the technical problems, the invention adopts the technical scheme that: a connecting mechanism of an LED display screen box body comprises an installation plate, a positioning pin and a bolt; the mounting plate is provided with a first through hole matched with the positioning pin, the positioning pin can be movably arranged along the axial direction of the first through hole, one end of the positioning pin is connected with the LED display screen box body, and the other end of the positioning pin is radially provided with a round hole; the bolt comprises an oval first rod part, the long axis of the section of the first rod part is not larger than the diameter of the round hole, and the first rod part can move in the round hole along the axial direction of the round hole; the LED display screen box body and the bolt are respectively positioned on two sides of the mounting plate; the mounting plate is provided with a fixing piece for preventing the bolt from rotating.
The invention has the beneficial effects that: the positioning pin is lifted by rotation of the bolt so as to tighten the LED display screen box body, and when the connecting mechanism is connected with a plurality of LED display screen box bodies, each LED display screen box body can tightly support the mounting plate, so that the mounting flatness of the LED display screen box bodies is greatly improved; simple structure, the machining precision requires lowly, is favorable to control cost.
Drawings
Fig. 1 is an exploded view of a connection mechanism of a LED display panel box according to a first embodiment of the present invention;
fig. 2 is a schematic view of an assembly of the LED display screen box connecting mechanism and the LED display screen box according to the first embodiment of the present invention;
fig. 3 is a cross-sectional view of a connection mechanism of a LED display screen box according to a first embodiment of the invention;
FIG. 4 is an enlarged view of detail A of FIG. 3;
fig. 5 is a working schematic diagram of the connecting mechanism of the LED display screen box body according to the first embodiment of the present invention (the latch is unlocked);
fig. 6 is a working schematic diagram (latch lock) of the LED display screen box connecting mechanism according to the first embodiment of the present invention;
fig. 7 is a sectional view of a connection mechanism of a box body of an LED display screen according to a second embodiment of the present invention;
fig. 8 is a working schematic diagram of the LED display screen box connecting mechanism according to the second embodiment of the present invention.
Description of reference numerals:
1. mounting a plate; 2. positioning pins; 3. a bolt; 31. a first rod part; 32. a second rod portion; 4. a circular hole; 5. an LED display screen box body; 6. a fixing member; 61. a limiting groove; 7. a plug sleeve; 71. a convex ring; 8. a pin boss; 81. a first cylinder; 82. a second cylinder; 91. a transverse slot; 92. a longitudinal slot; 10. a spring.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: the positioning pins connected with the LED display screen box bodies are lifted and pulled by the aid of rotation of the oval bolts, so that the top surface of each LED display screen box body is abutted against the mounting plate, and accordingly the mounting flatness of the LED display screen box bodies is improved.
Referring to fig. 1 to 8, an LED display screen box connecting mechanism includes an installation plate 1, a positioning pin 2 and a plug pin 3; the mounting plate 1 is provided with a first through hole matched with the positioning pin 2, the positioning pin 2 can be movably arranged along the axial direction of the first through hole, one end of the positioning pin 2 is connected with the LED display screen box body 5, and the other end of the positioning pin 2 is radially provided with a round hole 4; the bolt 3 comprises an oval first rod part 31, the long axis of the section of the first rod part 31 is not larger than the diameter of the round hole 4, and the first rod part 31 can move in the round hole 4 along the axial direction of the round hole 4; the LED display screen box body 5 and the bolt 3 are respectively positioned at two sides of the mounting plate 1; the mounting plate 1 is provided with a fixing piece 6 for preventing the bolt 3 from rotating.
The working principle of the invention is briefly described as follows: firstly, the first rod part 31 is inserted into the round hole 4, then the LED display screen box body 5 is fixedly connected with the positioning pin 2, then the bolt 3 is rotated, the rotation of the bolt 3 can enable the positioning pin 2 to ascend along the axial direction of the first through hole, so that the LED display screen box body 5 connected with the positioning pin 2 tightly supports against the mounting plate 1, and finally the first rod part 31 is moved and the bolt 3 is fixed by the fixing part 6, so that the bolt 3 is not turned over unexpectedly to cause the descending of the positioning pin 2.
From the above description, the beneficial effects of the present invention are: the positioning pin is pulled by rotation of the bolt to tighten the LED display screen box body, and when the connecting mechanism is connected with a plurality of LED display screen box bodies, each LED display screen box body can tightly support the mounting plate, so that the mounting flatness of the LED display screen box bodies is greatly improved; simple structure, the machining precision requires lowly, is favorable to control cost.
Further, the fixing member 6 is a groove adapted to the arc surface of the first rod 31.
According to the above description, the first rod part is inserted into the groove after lifting the positioning pin along the axial direction of the round hole, and the bolt cannot fall down due to the limitation of the groove. The fixing piece is simple in structure and convenient to process.
Further, the bolt 3 further comprises a second rod portion 32 vertically connected to the first rod portion 31, and the second rod portion 32 is located at one end of the first rod portion 31, which is far away from the positioning pin 2.
As can be seen from the above description, the second rod part as a handle is added to facilitate the operation of the user.
Further, the axis of the second rod portion 32 is perpendicular to the long axis of the cross section of the first rod portion 31.
As can be seen from the above description, when the axis of the second rod is perpendicular to the top surface of the mounting plate, the positioning pin is located at the lowest position, and the LED display screen box body is not abutted against the mounting plate; when the axis of the second rod part is parallel to the top surface of the mounting plate, the positioning pin is positioned at the highest position, and the LED display screen box body is tightly abutted against the mounting plate. The locking state of the LED display screen box body and the mounting plate can be visually perceived by a user through the arrangement.
Furthermore, a limiting groove 61 matched with the second rod part 32 is arranged on the fixing part 6.
As can be seen from the above description, the limiting groove can effectively fix the second rod part, and prevent the second rod part from slipping to cause accidents. Preferably, the limiting groove is a bayonet, and the opening of the bayonet is smaller than the diameter of the second rod part.
Further, the installation plate further comprises a pin sleeve 7 rotatably arranged on the installation plate 1, the pin sleeve 7 is provided with a second through hole matched with the first rod part 31, and the first rod part 31 is sleeved in the pin sleeve 7 and can be movably arranged along the axial direction of the second through hole.
As can be seen from the above description, the arrangement of the bolt sleeve can be used for supporting and fixing the bolt, so that the bolt is prevented from being lost due to the fact that the bolt is separated from the mounting plate.
Furthermore, a pin seat 8 is arranged on one side, away from the LED display screen box body 5, of the mounting plate 1, the pin seat 8 includes a first cylinder 81, the first rod portion 31 is located in the first cylinder 81, the pin sleeve 7 is rotatably arranged in the pin seat 8, a transverse groove 91 and a longitudinal groove 92 which are combined into an n shape are arranged on the first cylinder 81, and the second rod portion 32 moves in the transverse groove 91 and the longitudinal groove 92.
According to the description, the first cylinder can limit the bolt, so that the stability of the LED display screen box body connecting mechanism is improved; the transverse groove and the longitudinal groove not only play a role in avoiding the second rod part, but also can prevent the first rod part from unexpected axial movement after the positioning pin is lifted.
Further, the pin boss 8 further includes a second cylinder 82 having a hollow structure with an opening at one end, the first cylinder 81 is connected to the second cylinder 82, the hollow area of the first cylinder 81 is communicated with the hollow structure, and the positioning pin 2 is arranged in the second cylinder 82 in a lifting manner.
As can be known from the above description, the second cylinder is used for protecting the positioning pin and ensuring that the LED display screen box body connecting mechanism can work stably.
Furthermore, the outer wall of the pin sleeve 7 is provided with a convex ring 71 arranged along the circumferential direction, and a limit concave ring matched with the convex ring 71 is arranged in the pin seat 8.
The above description shows that the realization mode of rotationally fixing the pin sleeve in the pin seat is simple and reliable.
Further, the spring 10 is sleeved on the first rod portion 31, one end of the spring 10 abuts against the plug pin sleeve 7, and the other end of the spring 10 abuts against the second rod portion 32.
As can be seen from the above description, the provision of the spring enables the bolt to be reset more quickly.
Example one
Referring to fig. 1 to 6, a first embodiment of the present invention is: referring to fig. 1 to 3 and fig. 5 and 6, an LED display panel box connecting mechanism includes an installation board 1, a positioning pin 2 and a plug pin 3; the mounting plate 1 is provided with a first through hole matched with the positioning pin 2, the positioning pin 2 can be movably arranged along the axial direction of the first through hole, one end of the positioning pin 2 is connected with the LED display screen box body 5, and the other end of the positioning pin 2 is radially provided with a round hole 4; the bolt 3 comprises an oval first rod part 31, the long axis of the section of the first rod part 31 is not larger than the diameter of the round hole 4, and the first rod part 31 can move in the round hole 4 along the axial direction of the round hole 4; the LED display screen box body 5 and the bolt 3 are respectively positioned at two sides of the mounting plate 1; the mounting plate 1 is provided with a fixing piece 6 for preventing the bolt 3 from rotating.
It should be noted that the LED display screen box connecting mechanism provided by the present invention can simultaneously connect a plurality of LED display screen boxes 5, so that a plurality of positioning pins 2 and pins 3 can be selectively arranged to correspond to the number of the LED display screen boxes 5 to be installed, for example, the LED display screen box connecting mechanism of the present embodiment can simultaneously connect four LED display screen boxes 5, so that the present embodiment has four sets of positioning pins 2 and pins 3.
As shown in fig. 3, 4 and 6, in this embodiment, the positioning pin 2 includes a first cylinder and a second cylinder that are connected, the diameter of the first cylinder is greater than the diameter of the second cylinder, the round hole 4 is disposed on the first cylinder, the LED display screen box 5 is connected to the second cylinder at an end far away from the first cylinder, the first cylinder is adapted to the first through hole, and the second cylinder is adapted to the mounting hole on the LED display screen box 5.
As shown in fig. 1 and fig. 2, the plug pin 3 further includes a second rod portion 32 vertically connected to the first rod portion 31, and the second rod portion 32 is located at an end of the first rod portion 31 away from the positioning pin 2. Preferably, the axis of the second rod part 32 is perpendicular to the long axis of the cross section of the first rod part 31. Optionally, an end of the second rod portion 32 away from the first rod portion 31 may be sleeved with an anti-slip rubber sleeve, so that the user can operate the plug pin 3 more comfortably. The second rod portion 32 may be integrally formed with the first rod portion 31, or the second rod portion 32 may be provided separately from the first rod portion 31, and the separately provided first rod portion 31 and second rod portion 32 may be detachably connected.
As shown in fig. 1 and 2, the fixing member 6 is provided with a limiting groove 61 adapted to the second rod portion 32. Preferably, one bolt 3 is matched with two limiting grooves 61, and of the two limiting grooves 61, one limiting groove 61 is used for fixing the bolt 3 at the initial position, and the other limiting groove 61 is used for fixing the bolt 3 at the working position.
As shown in fig. 1, fig. 3 and fig. 4, in order to fix the plug pin 3 and prevent the plug pin 3 from being separated from the mounting plate 1, the LED display screen box connecting mechanism further includes a plug pin sleeve 7 rotatably disposed on the mounting plate 1, the plug pin sleeve 7 has a second through hole adapted to the first rod portion 31, and the first rod portion 31 is sleeved in the plug pin sleeve 7 and movably disposed along an axial direction of the second through hole.
As shown in fig. 1 to fig. 3, further, a pin seat 8 is provided on a side of the mounting board 1 away from the LED display screen box 5, the pin seat 8 includes a first cylinder 81, the first rod portion 31 is located in the first cylinder 81, the pin sleeve 7 is rotatably disposed in the pin seat 8, the first cylinder 81 has a transverse groove 91 and a longitudinal groove 92 combined into an n-shape, and the second rod portion 32 moves in the transverse groove 91 and the longitudinal groove 92.
Referring to fig. 1 to 3, in order to protect the positioning pin 2, the pin seat 8 further includes a second cylinder 82 having a hollow structure with an opening at one end, the first cylinder 81 is connected to the second cylinder 82, a hollow area of the first cylinder 81 is communicated with the hollow structure, and the positioning pin 2 is disposed in the second cylinder 82 in a lifting manner.
As shown in fig. 3 and 4, further, the outer wall of the pin sleeve 7 is provided with a convex ring 71 arranged along the circumferential direction, and the pin seat 8 is internally provided with a concave limiting ring matched with the convex ring 71.
As shown in fig. 1 and fig. 3, optionally, the LED display screen box connecting mechanism further includes a spring 10 sleeved on the first rod portion 31, one end of the spring 10 abuts against the latch sleeve 7, and the other end of the spring 10 abuts against the second rod portion 32.
The working principle of the connecting mechanism of the LED display screen box body of the embodiment is briefly described as follows: in an initial state, the plug pin 3 and the positioning pin 2 are in a separated state, a user firstly installs the LED display screen box body 5 to be installed on the positioning pin 2, then moves the second rod part 32 and pushes the second rod part 32 to enable the first rod part 31 to be inserted into the round hole 4 of the positioning pin 2 in a mode that the short axis of the cross section is perpendicular to the mounting plate 1, then the second rod part 32 is rotated by 90 degrees and clamped into the limiting groove 61 of the fixing part 6, at the moment, the long axis of the cross section of the first rod part 31 is perpendicular to the mounting plate 1, and the LED display screen box body 5 can tightly abut against the mounting plate 1 due to the lifting action of the positioning pin 2.
Example two
Referring to fig. 7 and 8, the second embodiment of the present invention is a structural simplification based on the first embodiment, specifically: a connecting mechanism of an LED display screen box body comprises an installation plate 1, a positioning pin 2 and a bolt 3; the mounting plate 1 is provided with a first through hole matched with the positioning pin 2, the positioning pin 2 can be movably arranged along the axial direction of the first through hole, one end of the positioning pin 2 is connected with the LED display screen box body 5, and the other end of the positioning pin 2 is radially provided with a round hole 4; the bolt 3 comprises an oval first rod part 31, the long axis of the section of the first rod part 31 is not larger than the diameter of the round hole 4, and the first rod part 31 can move in the round hole 4 along the axial direction of the round hole 4; the LED display screen box body 5 and the bolt 3 are respectively positioned at two sides of the mounting plate 1; the mounting plate 1 is provided with a fixing piece 6 for preventing the bolt 3 from rotating.
The fixing piece 6 is a groove matched with the cambered surface of the first rod part 31.
The working principle of the connecting mechanism of the LED display screen box body of the embodiment is briefly described as follows: a user firstly installs an LED display screen box body 5 to be installed on a positioning pin 2, then inserts a plug pin 3 into a round hole 4 of the positioning pin 2 in a mode that a short axis of the section of a first rod part 31 is perpendicular to a mounting plate 1, then rotates the first rod part 31 by 90 degrees, at the moment, a long axis of the section of the first rod part 31 is perpendicular to the mounting plate 1, the LED display screen box body 5 can tightly abut against the mounting plate 1 due to the lifting action of the positioning pin 2, and finally continuously pushes the plug pin 3 to insert the first rod part 31 into a groove of a fixing part 6 on the mounting plate 1 for limiting.
In summary, the LED display screen box body connecting mechanism provided by the invention utilizes the rotation of the bolt to pull the positioning pin so as to strain the LED display screen box body, when the connecting mechanism is connected with a plurality of LED display screen box bodies, each LED display screen box body can tightly support the mounting plate, and the mounting flatness of the LED display screen box body is greatly improved; the structure is simple, the requirement on machining precision is low, and the cost is favorably controlled; the second rod part used as a handle is additionally arranged, so that the operation of a user is more convenient; the limiting groove on the fixing piece can effectively fix the second rod part and prevent the second rod part from slipping to cause accidents; the provision of the spring enables the bolt to be reset more quickly.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a LED display screen box coupling mechanism, includes the mounting panel, its characterized in that: the device also comprises a positioning pin and a bolt; the mounting plate is provided with a first through hole matched with the positioning pin, the positioning pin can be movably arranged along the axial direction of the first through hole, one end of the positioning pin is connected with the LED display screen box body, and the other end of the positioning pin is radially provided with a round hole; the bolt comprises an oval first rod part, the long axis of the section of the first rod part is not larger than the diameter of the round hole, and the first rod part can move in the round hole along the axial direction of the round hole; the LED display screen box body and the bolt are respectively positioned on two sides of the mounting plate; the mounting plate is provided with a fixing piece for preventing the bolt from rotating.
2. The LED display screen box connecting mechanism of claim 1, wherein: the fixing piece is a groove matched with the cambered surface of the first rod part.
3. The LED display screen box connecting mechanism of claim 1, wherein: the bolt further comprises a second rod part vertically connected with the first rod part, and the second rod part is located at one end, far away from the positioning pin, of the first rod part.
4. The LED display screen box connecting mechanism of claim 3, wherein: the axis of the second rod part is perpendicular to the long axis of the section of the first rod part.
5. The LED display screen box body connecting mechanism of claim 4, wherein: and the fixing piece is provided with a limit groove matched with the second rod part.
6. The LED display screen box connecting mechanism of claim 5, wherein: the mounting plate is provided with a first rod part, a second rod part and a bolt sleeve, wherein the bolt sleeve is rotatably arranged on the mounting plate and provided with a second through hole matched with the first rod part, and the first rod part is sleeved in the bolt sleeve and can be movably arranged along the axial direction of the second through hole.
7. The LED display screen box body connecting mechanism of claim 6, wherein: one side that the LED display screen box was kept away from to the mounting panel is equipped with the key seat, the key seat includes first barrel, and first pole portion is located first barrel, the rotatable setting of bolt cover in the key seat, have the transverse groove and the vertical groove that make up into the n style of calligraphy on the first barrel, second pole portion is in transverse groove and vertical inslot remove.
8. The LED display screen box body connecting mechanism of claim 7, wherein: the pin boss further comprises a second cylinder body with an opening at one end and a hollow structure, the first cylinder body is connected with the second cylinder body, the hollow area of the first cylinder body is communicated with the hollow structure, and the positioning pin is arranged in the second cylinder body in a lifting mode.
9. The LED display screen box body connecting mechanism according to claim 7 or 8, wherein: the outer wall of the bolt sleeve is provided with a convex ring arranged along the circumferential direction, and a limit concave ring matched with the convex ring is arranged in the pin seat.
10. The LED display screen box connecting mechanism of claim 9, wherein: the spring is sleeved on the first rod part, one end of the spring abuts against the plug pin sleeve, and the other end of the spring abuts against the second rod part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710418965.6A CN107067987B (en) | 2017-06-06 | 2017-06-06 | Connecting mechanism for LED display screen box body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710418965.6A CN107067987B (en) | 2017-06-06 | 2017-06-06 | Connecting mechanism for LED display screen box body |
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| CN107067987A CN107067987A (en) | 2017-08-18 |
| CN107067987B true CN107067987B (en) | 2022-10-21 |
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| CN201710418965.6A Active CN107067987B (en) | 2017-06-06 | 2017-06-06 | Connecting mechanism for LED display screen box body |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110246426A (en) * | 2019-05-17 | 2019-09-17 | 海纳巨彩(深圳)实业科技有限公司 | A kind of small space distance LED display screen of high density |
| CN110319638A (en) * | 2019-07-30 | 2019-10-11 | 长虹美菱股份有限公司 | A kind of refrigerator body connection structure |
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| CN107067987A (en) | 2017-08-18 |
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