CN210799604U

CN210799604U - Connecting device of LED box and LED display screen

Info

Publication number: CN210799604U
Application number: CN201920837312.6U
Authority: CN
Inventors: 吴明金; 徐陈爱; 刘汉春; 黄万应
Original assignee: Shendecai Intelligent Technology Dongguan Co ltd
Current assignee: Shendecai Intelligent Technology Dongguan Co ltd
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-06-19
Anticipated expiration: 2029-06-03

Abstract

The utility model discloses a connecting device and LED display screen of LED box, wherein connecting device includes public end connecting piece and female end connecting piece, public end connecting piece includes public end base, drive assembly and lock, and wherein the lock is including the screw thread spare and the tapered end that are connected, female end connecting piece includes the female end base, is provided with first lockhole on the female end base, inserts first lockhole through drive assembly drive tapered end, and the tapered end is fixed on the female end base with first lockhole cooperation or through fixed subassembly, and the screw thread spare is fixed in the screw hole through the screw thread of its surface, links together public end connecting piece and female end connecting piece through the lock from this, and through the above-mentioned mode, can realize the dismouting between the LED box fast, labour saving and time saving, and can realize the toolless operation.

Description

Connecting device of LED box and LED display screen

Technical Field

The utility model relates to a LED display screen technical field especially relates to a connecting device and LED display screen of LED box.

Background

The LED display screen is widely applied to occasions such as stages, stadiums, outdoor advertisements, large-scale performances and the like, and has the advantages of low energy consumption, long service life and vivid display. The LED display screen that has now usually adopts a plurality of LED box concatenations to form, generally connects with sheetmetal and screw between the box, and the both ends of sheetmetal pass through the screw fixation respectively on two adjacent boxes promptly to realize the fixed connection between two boxes, however this kind of mode makes the dismouting of box waste time and energy, and still need be equipped with the screw instrument and fix.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides a connecting device and LED display screen of LED box, can realize the dismouting between the box fast, labour saving and time saving, and can realize the no instrument operation.

The embodiment of the utility model provides a connecting device of LED boxes, which comprises a male end connecting piece and a female end connecting piece which are respectively arranged on two adjacent LED boxes;

the male end connecting piece comprises a male end base, a driving assembly and a lock cylinder; the male end base is provided with a threaded hole, and the driving assembly is installed on the male end base and is positioned on one side edge of the threaded hole;

the driving assembly comprises a first rotating shaft, a second rotating shaft, a first gear and a second gear, the first rotating shaft and the first gear are fixed, the second rotating shaft and the second gear are fixed, the first gear and the second gear are in tooth joint, the lock cylinder comprises a threaded piece and a lock head which are connected, the interior of the threaded piece is hollow, the outer surface of the threaded piece is provided with threads matched with the threaded hole, one end of the threaded piece, far away from the lock head, is opened so as to sleeve the threaded piece on the second rotating shaft, the inner wall of the threaded piece is in clamping joint with the second rotating shaft, and at least part of the threaded piece is inserted into the threaded hole; the female end connecting piece comprises a female end base, and a first lock hole is formed in the female end base;

the male end base and the female end base are respectively fixed on two adjacent LED boxes, the first rotating shaft is rotated to drive the threaded part to rotate in a threaded hole in a threaded manner so as to push the lock head to extend into the first lock hole in the female end base, the threaded part is fixed in the threaded hole through threads on the outer surface, and the lock head is fixed on the female end base through matching with the first lock hole or is fixed on the female end base through a fixing component.

The embodiment of the utility model provides a still provide a LED display screen, including a plurality of LED boxes and be used for connecting the connecting device of LED box, connecting device is for the aforesaid connecting device.

In the connecting device of the LED box of the utility model, the male end connecting piece comprises a male end base, a driving component and a lock column, wherein the lock column comprises a threaded piece and a lock head which are connected, the female end connecting piece comprises a female end base which is fixed on an LED box and is provided with a threaded hole, the female end base is fixed on another LED box and is provided with a first lock hole, a first rotating shaft in the driving component is rotated to drive a first gear to rotate, and then under the matching of the first gear and a second gear, the threaded piece of the lock column is driven to rotate in the threaded hole to push the lock head of the lock column to be inserted into the first lock hole, wherein the threaded piece is fixed in the threaded hole through the thread on the outer surface of the threaded piece, so that the threaded piece is fixed on the male end base, the lock head is matched with the first lock hole or fixed on the female end base through the fixing component, therefore, the male end connecting piece and the female end connecting piece are connected together, and then realize the connection of LED box, consequently this scheme only needs to rotate first pivot and can realize the connection of two LED boxes, can realize the dismouting between the box fast, labour saving and time saving, and can realize the no instrument operation.

Drawings

Fig. 1 is a schematic connection diagram of an LED box provided in an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of a dotted line portion of the ellipse in FIG. 1;

fig. 3 is a schematic view of an overall structure of a male end connector in a connecting device according to an embodiment of the present invention;

FIG. 4 is an exploded view of the male connector shown in FIG. 3;

FIG. 5 is a schematic view of the male connector shown in FIG. 4 with the lock cylinder being disposed about the second axis of rotation;

fig. 6 is a schematic view of an overall structure of a female connector in a connecting device according to an embodiment of the present invention;

FIG. 7 is an exploded view of the female end connector shown in FIG. 6;

FIG. 8 is a cross-sectional view of the female end connector shown in FIG. 6 taken in the PQ direction.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 and fig. 2, the embodiment of the present invention provides a connecting device for connecting two adjacent LED boxes A, B. The connecting device comprises a male end connecting piece 100 and a female end connecting piece 200, wherein the male end connecting piece 100 is installed on the LED box body A, and the female end connecting piece 200 is installed on the LED box body B. Two adjacent LED box bodies A and B can be connected through one connecting device or a plurality of connecting devices. As shown in fig. 1, taking a connection device as an example, the male connector 100 may be installed in the middle of the LED box a, and correspondingly, the female connector 200 is also installed in the middle of the LED box B. When the LED box body A and the LED box body B are spliced, the male end connecting piece 100 on the LED box body A is aligned with the female end connecting piece 200 on the LED box body B, and then the male end connecting piece 100 is connected with the female end connecting piece 200, so that the LED box body A is connected with the LED box body B.

The structure of the male end connector and the female end connector according to the embodiments of the present invention will be described in detail below.

Specifically, referring to fig. 3-5, the male end connector 100 includes a male end base 11, a drive assembly 12, and a lock cylinder 13.

For example, the male end base 11 may include a bearing portion 111 and a protrusion 112 extending from a side of the bearing portion 111, and the protrusion 112 is provided with a threaded hole 11 a.

The driving assembly 12 includes a first rotating shaft 121, a second rotating shaft 122, a first gear 123 and a second gear 124. The first rotating shaft 121 and the first gear 123 are fixed, that is, the first gear 123 is fixed on the first rotating shaft 121, and the first rotating shaft 121 serves as a driving shaft to rotate the first gear 123 with the rotation of the first rotating shaft 121. The second rotating shaft 122 and the second gear 124 are fixed, that is, the second rotating shaft 122 is used as an output shaft and fixed on the second gear 124, so that the second rotating shaft 122 rotates along with the rotation of the second gear 124. The first gear 123 and the second gear 124 are in toothed engagement.

Further, for ease of operation, the drive assembly 12 may also include a first connecting arm 125, a second connecting arm 126, and a handle 127. One end of the first connecting arm 125 is connected to one end of the first rotating shaft 121, the other end of the first connecting arm 125 is connected to one end of the handle 127, one end of the second connecting arm 126 is connected to the other end of the first rotating shaft 121, and the other end of the second connecting arm 126 is connected to the other end of the handle 127. Therefore, when the first rotating shaft 121 needs to be rotated, the operation can be performed through the handle 127, for example, as shown in fig. 5, when the first rotating shaft 121 needs to be rotated in the direction of the dotted arrow EF, the handle 127 can be pushed in the direction of the side where the lock head 13 is located, so that the first rotating shaft 121 can be rotated in the direction EF, thereby facilitating the operation.

Additionally, drive assembly 12 may also include a protective shell 128. The protective shell 128 is fixed on the male end base 11, and specifically may be fixed on the bearing portion 111 by means of screwing, and the like, and covers the first gear 123 and the second gear 124, so that not only the protection effect may be achieved, but also the male end connector 100 may be more beautiful.

The lock cylinder 13 includes a threaded member 131 and a locking head 132 that are connected to each other. The screw 131 and the locking head 132 may be integrally formed or may be separate components. When the screw 131 and the lock cylinder 132 are separate members, they may be coupled together by screwing, riveting, welding, or the like. The screw member 131 is a hollow cavity, and the outer surface thereof is provided with a screw 1311 matching with the screw hole 11 a. An end of the screw member 131 away from the locking head 132 is opened, so that the screw member 131 is sleeved on the second rotating shaft 122, as shown in fig. 5, that is, the second rotating shaft 122 is inserted into the hollow cavity of the screw member 131 from the opened end of the screw member 131, and at this time, the second rotating shaft 122 is clamped with the inner wall of the screw member 131.

For example, as shown in fig. 4, a strip-shaped groove 12a extending along the length direction of the second rotating shaft 122 may be disposed on the second rotating shaft 122, correspondingly, a strip-shaped protrusion is disposed on the inner wall of the screw member 131, when the second rotating shaft 122 is inserted into the screw member 131, the strip-shaped groove 12a of the second rotating shaft 122 is in clamping connection with the strip-shaped protrusion of the screw member 131, so that when the second rotating shaft 122 rotates, the screw member 131 is driven to rotate, and the entire lock cylinder 13 is rotated. In other embodiments, a protrusion may be disposed on the second rotating shaft 122, and a groove may be disposed on an inner wall of the screw 131, so as to realize the clamping connection between the second rotating shaft 122 and the screw 131.

Wherein at least a portion of the screw member 131 is inserted into the threaded hole 11a, so that at least a portion of the threads on the outer surface of the screw member 131 can be screwed with the threads in the threaded hole 11 a.

In order to facilitate the installation of the driving component 12 and make the product more beautiful, an installation groove may be provided on the bearing portion 111 of the male end base 11 for placing the driving component 12. For example,

mounting slots

11b, 11c, 11d may be formed on the supporting portion 111 of the male base 11, wherein the mounting slot 11b is used for placing the first rotating shaft 121, the mounting slot 11c is used for placing the first gear 123, and the mounting slot 11d is used for placing the second gear 124. Wherein, the mounting grooves 11c and 11d are positioned such that the first gear 123 and the second gear 124 are engaged when the first gear 123 and the second gear 124 are respectively placed in the mounting grooves 11c and 11 d.

When assembling the male connector 100, the first gear 123 may be fixed on the first shaft 121, the second shaft 122 may be fixed on the second gear 124, and then the lock cylinder 13 is sleeved on the second shaft 122 through the screw 131, so that the elongated groove 12a on the second shaft 122 is engaged with the elongated protrusion on the inner wall of the screw 131. Thereafter, the locking head 132 of the lock cylinder 13 is inserted into the threaded hole 11a, and at least a portion of the screw member 131 is also inserted into the threaded hole 11a with the insertion of the locking head 132 until the second gear 124 can be placed in the mounting groove 11d, and then the first shaft 121 and the first gear 123 are also placed in the corresponding mounting grooves. Thereafter, the protective shell 128 is covered on the male end base 11, and the first connecting arm 125, the second connecting arm 126 and the handle 127 are installed, thereby assembling the male end connector 100.

In this embodiment, with reference to fig. 2, the working principle of the male end connector 100 is as follows: when the female end connector 200 is needed to be connected, the handle 127 can be continuously pushed toward the lock cylinder 13, and the first rotating shaft 121 rotates toward the EF direction at this time, so as to drive the first gear 123 to rotate, and the rotation of the first gear 123 can drive the second gear 124 to rotate, thereby driving the second rotating shaft 122 to rotate. Under the cooperation of second pivot 122 and screw 131 joint, screw 131 is the screw thread rotation in screw hole 11a along with the rotation of second pivot 122 for screw 131 constantly moves to female end connecting piece 200 place direction in screw hole 11a, thereby promotes tapered end 132 of lock post 13 and constantly stretches out towards female end connecting piece 200, and then is connected with female end connecting piece 200, screw 131 passes through the screw thread of surface to be fixed in screw hole 11a this moment, this process is for can realizing connecting device's locking.

When the locking device needs to be separated from the female end connector 200, the handle 127 can be pushed to the opposite direction of the locking column 13, so that the first rotating shaft 121 rotates to the FE direction, and then the threaded member 131 can be driven to continuously move to the opposite direction of the female end connector 200, so that the locking head 132 is retracted, the locking head 132 is separated from the female end connector 200, and the locking of the connecting device can be released in the process, so that the connecting device is in a non-locking state.

For example, as shown in fig. 3, the protrusion 112 of the male end base 11 may be provided with operation marks of "LOCK" and "UNLOCK", and the handle 127 is pushed in the direction indicated by "LOCK", so that the locking of the connection device may be achieved, and the handle 127 is pushed in the direction indicated by "UNLOCK", so that the locking of the connection device may be released.

In one embodiment, the locking head 132 may be secured to the female base by a securing assembly.

Specifically, referring to fig. 6-8, the female connector 200 may include a female base 21 and a securing assembly 22. The female base 21 is provided with a first locking hole 21a, and further, the female base 21 includes a bearing portion 211 and a side plate 212 vertically extending from a side of the bearing portion 211, wherein the first locking hole 21a is provided on the side plate 212.

The fixing member 22 includes a fixing piece 221, a locking piece 222, an elastic piece 223, and a housing 224. The fixing piece 221 is provided with a second locking hole 22a, and the locking piece 222 is provided with a third locking hole 22 b. The housing 224 includes a base 2241 and a sidewall 2242 around the periphery of the base 2241. The fixing plate 221 is fixed on the sidewall 2242 of the housing 224, for example, by screwing or riveting, so that the fixing plate 221 and the housing 224 together enclose an accommodating space, and the locking plate 222 is placed in the accommodating space.

Among them, the lock piece 222 is provided with an operation portion 2221, and the operation portion 2221 is protruded from the accommodation space for easy operation.

As shown in fig. 8, the elastic member 223 may be a spring, an elastic sheet, or the like, and the elastic member 223 is pressed between the locking piece 222 and a side wall 2242 of the housing 224, based on the view shown in fig. 8, the side wall 2242 is a bottom wall of the housing 224, thereby generating an elastic force in the NM direction on the locking piece 222, so that the locking piece 222 and another opposite side wall 2242 of the housing 224 are pressed against each other, and based on the view shown in fig. 8, the other opposite side wall 2242 is a top wall of the housing 224, thereby fixing the locking piece 222 between the bottom wall and the top wall of the housing 224.

The housing 224 may further include a cover 2243. A groove 2244 extends outwards from the bottom 2241 of the housing 224, the cover 2243 is also in a groove structure, one side of the groove opening of the cover 2243 is inserted into the groove 2244, and a fourth locking hole 22c is formed in a region of the bottom of the cover 2243 corresponding to the third locking hole 22 b.

With reference to fig. 4, the top end of the locking head 132 of the lock cylinder 13 is a cone, the shape of the third locking hole 22b is similar to the shape of a bulb, the opening area of the upper end is larger, the opening area of the lower end is smaller, and the shape of the opening area of the lower end matches with the shape of the locking head 132. Of course, the third locking hole 22b may have the same size and shape as the second locking hole. The top end of the locking head 132 may be a cylinder, and the like, which is not limited.

The elastic member 223 generates an elastic force along the NM direction to the locking plate 222, so that when the locking plate 222 abuts against the top wall of the housing 224, a partial opening area of the third locking hole 22b is communicated with a partial opening area of the second locking hole 22a, other partial opening areas of the third locking hole 22b are shielded by the locking plate 221, and other partial opening areas of the second locking hole 22a are shielded by the locking plate 222.

The fixing assembly 22 is located on the bearing portion 211, wherein the fixing piece 221 is located at a side adjacent to the side plate 212, and the first locking hole 21a and the second locking hole 22a are correspondingly disposed, that is, the second locking hole 22a and the first locking hole 21a are aligned in position, and the size and the shape of the two holes may be the same. The housing 224 and the side plate 212 are fixed, i.e. the fixing plate 221 and the locking plate 222 are located between the side plate 212 and the housing 224.

The size of the locking head 132 is larger than the above-mentioned opening area of the third locking hole 22b, that is, larger than the opening area of the third locking hole 22b communicated with the second locking hole 22a, and the locking head 132 is provided with a locking slot 1321. When the locking head 132 is driven to extend toward the female link 200 by the driving assembly 12, the locking head 132 sequentially passes through the partially opened regions of the first locking hole 21a, the second locking hole 22a and the third locking hole 22b as the locking head 132 is continuously moved. Since the locking head 132 is larger than the partial opening area of the third locking hole 22b, when the locking head 132 passes through the partial opening area, the pressing locking piece 222 moves toward MN, so that more opening areas of the third locking hole 22b can be aligned with the second locking hole 22a, and the blocked opening area is reduced, so that the locking head 132 can pass through the third locking hole 22 b. And after the top of the tapered body in the lock head 132 before the locking slot 1321 passes through the third locking hole 22b, the locking plate 222 is not extruded by the lock head 132 any more, and under the elastic force of the elastic member 223, the locking plate 222 will move in the NM direction, so as to be clamped in the locking slot 1321 of the lock head 132, and further, the lock head 132 can be fixed on the female-end base 21.

The top of the tapered body of the lock head 132, which is located before the slot 1321, penetrates through the third locking hole 22b and then penetrates through the fourth locking hole 22c of the cover 2243, so as to perform a limiting function.

In this manner, the locking head 132 can be fixed to the female connector 200 to connect the male connector 100 and the female connector 200.

More specifically, when two LED boxes need to be spliced together, the handle 127 of the driving assembly 12 is pushed in the direction indicated by "LOCK" on the protrusion 112 to drive the locking head 132 to continuously move towards the female end connector 200 until sequentially passing through the first locking hole 21a, the second locking hole 22a and the third locking hole 22b on the female end connector 200, after the top of the conical body in the locking head 132 before the locking slot 1321 passes through the third locking hole 22b, the locking piece 222 is locked in the locking slot 1321 of the locking head 132 under the elastic force of the elastic piece 223, so that the locking head 132 can be fixed on the female end base 21, and the threaded piece 131 of the LOCK column 13 is fixed in the threaded hole 11a through the external threads thereof, so that the two LED boxes can be spliced together.

When two LED boxes need to be separated, the operation part 2221 of the locking piece 222 is pressed along the direction MN, so that the locking piece 222 is no longer clamped in the clamping slot 1321 on the locking head 132 to release the clamping restriction on the locking head 132, and then the handle 127 is pushed along the direction indicated by 'UNLOCK', so that the locking head 132 is driven to withdraw towards the direction of the male end connector 100 to be separated from the female end connector 200, and thus the two LED boxes can be separated.

In other embodiments, the locking head may be fixed in the first locking hole without using a fixing component, and the locking head may be fixed in the first locking hole by matching the locking head with the first locking hole, for example, the first locking hole may be configured as a threaded hole, and an outer surface of the locking head is provided with threads matching with the first locking hole, so that when the locking head is inserted into the first locking hole, the locking head is fixed in the first locking hole by the threads on the outer surface thereof.

Therefore, through the connecting device of this application embodiment, only need promote handle 127 in order to rotate first pivot 121, can realize the concatenation and the split of two LED boxes, can realize the dismouting between the box fast, labour saving and time saving, and can realize the no instrument operation.

The embodiment of the utility model provides a still provide a LED display screen, including a plurality of LED boxes and be used for connecting the connecting device of LED box, wherein this connecting device be above-mentioned arbitrary embodiment connecting device.

The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure or those directly or indirectly applied to other related technical fields are intended to be included in the scope of the present disclosure.

Claims

1. A connecting device of an LED box body is used for connecting two adjacent LED box bodies and is characterized by comprising a male end connecting piece and a female end connecting piece which are respectively arranged on the two adjacent LED box bodies;

2. The connection device of claim 1, wherein the female end base includes a bearing portion and a side plate extending perpendicularly from a side of the bearing portion, the first locking aperture being disposed on the side plate;

the fixing assembly comprises a fixing plate, a locking plate, an elastic piece and a shell, wherein a second locking hole is formed in the fixing plate, a third locking hole is formed in the locking plate, the shell comprises a bottom and a side wall surrounding the periphery of the bottom, the fixing plate is fixed on the side wall of the shell to form an accommodating space together with the shell, the locking plate is located in the accommodating space, the elastic piece is pressed between the locking plate and one side wall of the shell to generate elasticity for the locking plate, so that the other side wall of the locking plate and the other side wall of the shell are pressed against each other, a partial opening area of the third locking hole is communicated with a partial opening area of the second locking hole, other partial opening areas of the third locking hole are shielded by the fixing plate, and other partial opening areas of the second locking hole are shielded by the locking plate;

the fixing assembly is located on the bearing portion, the fixing piece is located on one side adjacent to the side plate, the first locking hole and the second locking hole are correspondingly arranged, and the shell and the side plate are fixed.

3. The connecting device according to claim 2, wherein the locking head is larger than the partial opening area of the third locking hole, a locking groove is formed in the locking head, the locking head sequentially penetrates through the partial opening areas of the first locking hole, the second locking hole and the third locking hole, the locking plate is clamped in the locking groove of the locking head under the action of elastic force, and the locking head is fixed on the female-end base.

4. The connecting device of claim 3 wherein said housing further comprises a cover; a groove extends outwards from the bottom of the shell, the cover body is inserted into the groove, a fourth lock hole is formed in the area, corresponding to the third lock hole, of the cover body, and the lock head penetrates into the fourth lock hole.

5. The connecting device according to claim 2, wherein the locking piece is provided with an operating portion that protrudes from the accommodating space.

6. The coupling device of claim 1, wherein the drive assembly further comprises a first coupling arm, a second coupling arm, and a handle;

the one end of first linking arm with the one end of first pivot is connected, the other end of first linking arm with the one end of handle is connected, the one end of second linking arm with the other end of first pivot is connected, the other end of second linking arm with the other end of handle is connected.

7. The connecting device as claimed in claim 1, wherein a strip-shaped protrusion is disposed on an inner wall of the screw member, a strip-shaped groove is disposed on the second rotating shaft, and the strip-shaped protrusion is engaged with the strip-shaped groove.

8. The coupling device of claim 1, wherein the drive assembly further comprises a protective shell secured to the male end base and covering the first and second gears.

9. The connecting device as claimed in claim 1, wherein the first locking hole is a threaded hole, and the outer surface of the locking head is provided with threads matching with the first locking hole, so that the locking head and the first locking hole are fixed in a threaded manner.

10. An LED display screen, characterized in that, it comprises a plurality of LED boxes and a connecting device for connecting the LED boxes, the connecting device is the connecting device of any one of claims 1-9.