CN214847532U

CN214847532U - Device for adjusting gap between LED small-interval screens

Info

Publication number: CN214847532U
Application number: CN202121010431.8U
Authority: CN
Inventors: 陈飞; 阚峥; 谢铮
Original assignee: Shenzhen Zhanshi Optoelectronic Technology Co ltd
Current assignee: Shenzhen Zhanshi Optoelectronic Technology Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2021-11-23
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a device for adjusting the gap between LED small-space screens, which belongs to the technical field of LED display screens and comprises a lamp bracket, wherein an LED lamp module is arranged on the lamp bracket, one side of the lamp bracket, which is far away from the LED lamp module, is symmetrically provided with two thread grooves, and the other side is symmetrically and rotationally connected with two adjusting bolts, the adjusting bolt on one lamp bracket is in threaded connection with the thread groove on the other lamp bracket, and an adjusting mechanism is arranged on the lamp bracket. And when the clearance needs to be adjusted, the poking wheel can be directly adjusted by rotating.

Description

Device for adjusting gap between LED small-interval screens

Technical Field

The utility model belongs to the technical field of the LED display screen, especially, relate to a device in regulation LED booth apart from screen gap.

Background

With the development of science and technology, the LED display technology is continuously improved, the LED display screen is widely used in various environments, and meanwhile, the requirement on display is higher and higher, so that the requirement on the assembly gap of the display screen unit is higher and higher.

LED display screen is formed by a plurality of LED display screen module concatenation, when current LED display screen installation, it is many through marble, mode such as connection piece or quick lock is assembled fixedly, it is assembled the clearance and is mainly controlled by box size precision and workman professional degree, however, assemble fixed the completion back to LED display screen module, can't adjust the clearance between the module once more basically, because clearance adjustment is inhomogeneous, can lead to LED display screen module lamp pearl edge interval inconsistent, influence the display effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an adjust device in LED booth interval screen gap to solve LED display screen module and assemble the problem that can't adjust clearance between the module once more after fixed the accomplishing among the conventional art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a device for adjusting the gap between LED small-spacing screens comprises a lamp holder, wherein an LED lamp module is installed on the lamp holder, one side of the lamp holder, which is far away from one side of the LED lamp module, is symmetrically provided with two thread grooves, the other side of the lamp holder is symmetrically and rotatably connected with two adjusting bolts, the adjusting bolt on one lamp holder is in threaded connection with the thread groove on the other lamp holder, an adjusting mechanism is installed on the lamp holder, the adjusting mechanism comprises a limiting frame, a control rod, a thread cylinder and a poking wheel, the limiting frame is fixedly connected on the lamp holder, the limiting frame is symmetrically and slidably connected with two control rods, one ends of the two control rods, which are close to the adjusting bolts, are connected with the adjusting bolts, the peripheries of the two control rods, which are close to one end, are coaxially and threadedly connected with the same thread cylinder, the two thread cylinders are rotatably connected on the limiting frame and coaxially and slidably connected with the poking wheel, the limiting frame positioned at the position of the poking wheel is provided with a hollow groove.

Preferably, be located two on the lighting fixture thread groove internal thread spiral opposite direction, two adjusting bolt and two thread groove adaptations, two adjusting bolt all is about spacing middle part symmetry, effectively avoids two adjusting bolt not hard up when the lighting fixture receives vibrations, improves adjusting bolt to the connection stability of two lighting fixtures.

Preferably, two the equal fixedly connected with rack of control lever one end near adjusting bolt, two the last one end coaxial rotation of adjusting bolt is connected on spacing and is extended to spacing and coaxial fixedly connected with rotating gear in, rack and rotating gear intermeshing make two adjusting bolt rotate through rack and rotating gear when two control levers rotate.

Preferably, the control screw thread is arranged on the outer periphery of one end of the control rod, which is far away from the rack, the thread cylinder is in threaded connection with the control screw thread, the control screw threads on the two control rods have opposite spiral directions and equal thread pitches, and the moving processes of the two control rods are consistent when the two control rods rotate along with the thread cylinder.

Preferably, the dead slot is greater than two thumb wheels, coaxial intercommunication has the spacing groove in the dead slot, the spacing groove is seted up in the spacing frame, and with thumb wheel along the axial slip spacing, does benefit to and avoids thumb wheel to rotate when not using.

Preferably, the opposite surfaces of the two poking wheels are respectively fixedly connected with a protrusion and provided with a groove, the protrusions are mutually embedded with the grooves, and buffer springs are fixedly connected between the poking wheels and the threaded cylinders to ensure that the two poking wheels rotate synchronously.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses when carrying out clearance adjustment to two lighting fixtures, aim at two lighting fixtures after, stimulate two thumb wheels and get into the dead slot and each other the gomphosis together, rotate two thumb wheels this moment, two screw thread section of thick bamboos in the synchronous drive rotate to make two control levers be close to each other, and then make two adjusting bolt synchronous precession thread grooves through rack and running gear, guarantee that the clearance between two lighting fixtures is even, and when needs adjust the clearance, rotate the thumb wheel and can directly adjust.

2. In the utility model, the screw thread turning directions of the two adjusting bolts are opposite, which is beneficial to limiting each other when the lamp bracket is vibrated and avoiding the adjusting bolts from loosening, and improving the connection stability of the adjusting bolts to the two lamp brackets; after the gap adjustment of the two lamp brackets is completed, the two poking wheels are loosened, the poking wheels slide again under the elastic action of the buffer spring to enter the limiting grooves to form a limiting effect, the poking wheels are prevented from rotating when not used, and the connection stability of the adjusting bolts to the two lamp brackets is further ensured.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the adjusting mechanism of the present invention;

fig. 3 is a schematic diagram of the distribution of the empty slot and the limit slot on the limit frame.

In the figure: 1 lamp bracket, 11 thread groove, 2 adjusting bolt, 21 rotating gear, 3 adjusting mechanism, 31 spacing frame, 311 empty groove, 312 spacing groove, 32 control rod, 321 rack, 322 control thread, 33 thread cylinder, 34 dial wheel, 341 buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a device for adjusting a gap between two LED small-space screens comprises a lamp holder 1, wherein an LED lamp module is installed on the lamp holder 1, two thread grooves 11 are symmetrically formed in one side, away from the LED lamp module, of the lamp holder 1, two adjusting bolts 2 are symmetrically and rotatably connected to the other side of the lamp holder 1, the adjusting bolt 2 on one lamp holder 1 is in threaded connection with the thread groove 11 on the other lamp holder 1, the two lamp holders 1 are connected together through the adjusting bolts 2, and therefore when the gap between the two lamp holders 1 is adjusted, the two lamp holders are directly controlled by rotating the adjusting bolts 2.

The internal thread spiral opposite direction of two thread grooves 11 that are located lighting fixture 1, two adjusting bolt 2 and two 11 adaptations of thread groove, two adjusting bolt 2 are all about 31 middle part symmetries of spacing, improve adjusting bolt 2 and to two lighting fixture 1 connection stability, effectively avoid adjusting bolt 2 not hard up when lighting fixture 1 receives vibrations.

The lamp holder 1 is provided with the adjusting mechanism 3, and the two adjusting bolts 2 are controlled to rotate in the same process, so that the problem that the gap between the two lamp holders 1 is uneven due to the fact that the two adjusting bolts 2 rotate in different processes is avoided.

Adjustment mechanism 3 includes spacing 31, the control lever 32, a screw thread section of thick bamboo 33 and thumb wheel 34, spacing 31 fixed connection is on lighting fixture 1, symmetrical sliding connection has two control levers 32 on spacing 31, two control levers 32 are close to the equal fixedly connected with rack 321 of 2 one ends of adjusting bolt, two coaxial rotation of one end is connected on spacing 31 and is extended to spacing 31 in and coaxial fixedly connected with rolling gear 21 on adjusting bolt 2, rack 321 and rolling gear 21 intermeshing, two control levers 32 are close to each other or keep away from the messenger, make two adjusting bolt 2 rotate through rack 321 and rolling gear 21.

Keep away from rack 321 one end periphery side on the control lever 32 and seted up control thread 322, two control levers 32 are close to the equal coaxial threaded connection of one end periphery side each other and have same screw thread section of thick bamboo 33, and the opposite screw pitch of control thread 322 screw direction that is located on two control levers 32 equals to when rotating screw thread section of thick bamboo 33, make two control levers 32 be close to each other or keep away from, and remove the process and keep unanimous, and then make two adjusting bolt 2 rotate the process and keep unanimous.

The two threaded cylinders 33 are rotatably connected to the limiting frame 31 and are coaxially and slidably connected with the poking wheels 34, the limiting frame 31 located at the positions of the poking wheels 34 is provided with empty grooves 311, the empty grooves 311 are larger than the two poking wheels 34, and the poking wheels 34 can conveniently rotate in the empty grooves 311 without being hindered.

The poking wheel 34 is composed of two rings which are coaxially and fixedly connected, a limit groove 312 is coaxially communicated in the empty groove 311, the limit groove 312 is formed in the limit frame 31, the periphery of the small-diameter ring of the poking wheel 34 and the limit groove 312 slide and limit in the axial direction, a buffer spring 341 is fixedly connected between the poking wheel 34 and the threaded barrel 33, and when the poking wheel 34 does not rotate, the poking wheel slides into the limit groove 312 under the action of the elastic force of the buffer spring 341 to prevent the poking wheel 34 from rotating again.

The opposite surfaces of the circular rings with large diameters on the two poking wheels 34 are respectively fixedly connected with protrusions and provided with grooves, the protrusions and the grooves are mutually embedded, and the two poking wheels 34 can conveniently and synchronously drive the two threaded cylinders 33 to rotate after being mutually embedded and then rotate.

Now, the operation principle of the present invention is described as follows:

when the two lamp holders 1 are subjected to clearance adjustment, the two adjusting bolts 2 on one lamp holder 1 are aligned to the two thread grooves 11 on the other lamp holder 1, the two toggle wheels 34 in the adjusting mechanism 3 are pulled, the two toggle wheels 34 overcome the elastic force of the buffer spring 341, slide out along the limiting grooves 312 on the limiting frame 31, enter the hollow grooves 311 and are mutually embedded together, at the moment, the two toggle wheels 34 are rotated, the two thread cylinders 33 in sliding connection with the two toggle wheels are synchronously driven to rotate on the limiting frame 31, the two control rods 32 in the two thread cylinders 33 are mutually close to each other, so that the two adjusting bolts 2 are synchronously screwed into the thread grooves 11 through the racks 321 at one ends of the control rods 32 and the rotating gears at one ends of the adjusting bolts 2 which are mutually meshed, the uniform clearance between the two lamp holders 1 is ensured, and when the clearance needs to be adjusted, the toggle wheels 34 can be directly adjusted by rotating;

after the adjustment is completed, the two toggle wheels 34 are loosened, and the two toggle wheels 34 slide into the limit groove 312 again under the elastic force action of the buffer spring 341, so that the toggle wheels 34 are prevented from rotating when not used, and the connection stability of the adjusting bolt 2 to the two lamp holders 1 is further ensured;

in addition, the thread groove 11, the adjusting bolt 2 and the adjusting mechanism 3 can be arranged on the other two sides of the lamp holder 1, so that the lamp holder 1 can extend to another lamp holder 1 along the horizontal and vertical directions of the lamp holder 1, and finally, the whole LED screen is assembled.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an adjust device in LED booth interval screen gap, includes lighting fixture (1), install LED lamp module group on lighting fixture (1), its characterized in that, two thread grooves (11) and another edge symmetry swivelling joint have two adjusting bolt (2) have been seted up to lighting fixture (1) one side of keeping away from LED lamp module group one side, adjusting bolt (2) threaded connection on one of them lighting fixture (1) is in thread groove (11) on another lighting fixture (1), install adjustment mechanism (3) on lighting fixture (1), adjustment mechanism (3) include spacing (31), control lever (32), a screw thread section of thick bamboo (33) and dial driving wheel (34), spacing (31) fixed connection is on lighting fixture (1), symmetrical sliding connection has two control lever (32) on spacing (31), two control lever (32) are close to adjusting bolt (2) one end and are connected with adjusting bolt (2), two the equal coaxial threaded connection of one end periphery side is close to each other in control lever (32) has same screw thread section of thick bamboo (33), two screw thread section of thick bamboo (33) all rotate connect on spacing (31) and coaxial sliding connection has thumb wheel (34), lie in thumb wheel (34) position spacing (31) are last to have seted up dead slot (311).

2. The device for adjusting the gap between the LED small-spacing screens is characterized in that the spiral directions of the internal threads of the two thread grooves (11) on the lamp holder (1) are opposite, the two adjusting bolts (2) are matched with the two thread grooves (11), and the two adjusting bolts (2) are symmetrical about the middle of the limiting frame (31).

3. The device for adjusting the gap between the small LED distance screens as claimed in claim 1, wherein one end of each of the two control rods (32) close to the adjusting bolt (2) is fixedly connected with a rack (321), one end of each of the two adjusting bolts (2) is coaxially and rotatably connected to the limiting frame (31) and extends into the limiting frame (31) and is coaxially and fixedly connected with a rotating gear (21), and the racks (321) are meshed with the rotating gears (21).

4. The device for adjusting the gap between the LED small-spacing screens as claimed in claim 1, wherein the control rod (32) is provided with a control thread (322) at the outer periphery of one end far away from the rack (321), the threaded cylinder (33) is in threaded connection with the control thread (322), and the control threads (322) on the two control rods (32) have the same thread pitch in opposite spiral directions.

5. The device for adjusting the gap between the LED small-spacing screens as claimed in claim 1, wherein the empty slot (311) is larger than the two toggle wheels (34), a limiting slot (312) is coaxially communicated in the empty slot (311), and the limiting slot (312) is opened in the limiting frame (31) and is axially slid and limited with the toggle wheels (34).

6. The device for adjusting the gap between the LED small-spacing screens as claimed in claim 1, wherein the two opposite surfaces of the toggle wheel (34) are respectively fixedly connected with a protrusion and a groove, the protrusion and the groove are mutually embedded, and a buffer spring (341) is fixedly connected between the toggle wheel (34) and the threaded barrel (33).