CN212004846U

CN212004846U - Indicating plate for LED display screen

Info

Publication number: CN212004846U
Application number: CN202020179704.0U
Authority: CN
Inventors: 杨国辉
Original assignee: Jinan Tianli Hengda Electronic Technology Co ltd
Current assignee: Jinan Tianli Hengda Electronic Technology Co ltd
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-11-24
Anticipated expiration: 2030-02-18

Abstract

The utility model discloses a sign for LED display screen, including the cavity stand, the inside of cavity stand is provided with the second pivot, install in primary shaft bearing on the top of second pivot, install in third shaft bearing the bottom of second pivot, primary shaft bearing and third shaft bearing install respectively on the top and the bottom of cavity stand, be provided with the sleeve in the second pivot, install the connecting rod on the telescopic outer wall, the other end of connecting rod passes the slotted hole on the cavity stand and is connected with the mounting panel, the preceding terminal surface of mounting panel is provided with the LED display screen body, the second belt pulley is installed to the outer wall below of second pivot, the box is installed to one side outer wall below of cavity stand. The utility model solves the problem that the prior indicating board for the LED display screen is not convenient for cleaning the LED display screen body; the utility model discloses made things convenient for the staff to clean the LED display screen body, improved the security, the practicality is strong.

Description

Indicating plate for LED display screen

Technical Field

The utility model relates to a LED display screen technical field specifically is a sign for LED display screen.

Background

An LED display (LED display) is a flat panel display, which is composed of small LED module panels, and is used to display various information such as text, images, video, and the like. The LED electronic display screen integrates the microelectronic technology, the computer technology and the information processing, and has the advantages of bright color, wide dynamic range, high brightness, long service life, stable and reliable work and the like. The LED display screen is widely applied to commercial media, cultural performance markets, stadiums, information dissemination, news distribution, security trading and the like, and can meet the requirements of different environments.

However, the existing indicating plate for the LED display screen is inconvenient to clean the LED display screen, and after the LED display screen is damaged, the LED display screen is inconvenient to replace, so that workers need to perform high-altitude operation through the crawling ladder to clean or replace the LED display screen, and the safety is low; therefore, the existing use requirements are not satisfied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sign for LED display screen to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an indicating plate for an LED display screen comprises a hollow upright post, wherein a second rotating shaft is arranged inside the hollow upright post, the top end of the second rotating shaft is arranged in a first bearing seat, the bottom end of the second rotating shaft is arranged in a third bearing seat, the first bearing seat and the third bearing seat are respectively arranged at the top end and the bottom end of the hollow upright post, a sleeve is arranged on the second rotating shaft, a connecting rod is arranged on the outer wall of the sleeve, the other end of the connecting rod penetrates through a slotted hole in the hollow upright post to be connected with a mounting plate, an LED display screen body is arranged on the front end face of the mounting plate, a second belt pulley is arranged below the outer wall of the second rotating shaft, a box body is arranged below the outer wall of one side of the hollow upright post, a first rotating shaft is arranged inside the box body, the bottom end of the first rotating shaft is arranged in the second, the self-locking hand wheel is installed on the top end of the first rotating shaft, a first belt pulley is installed on the outer wall of the first rotating shaft, the first belt pulley is connected with a second belt pulley through a transmission belt, and the transmission belt penetrates through the first through hole and the second through hole.

Preferably, the outer wall of the second rotating shaft is provided with an external thread, the center of the end wall of the sleeve is provided with a threaded hole, and the external thread on the second rotating shaft is meshed with the internal thread on the hole wall of the threaded hole.

Preferably, the slotted hole is formed in the outer wall of the other side of the hollow upright post.

Preferably, the first through hole is formed in the outer wall of one side of the box body, the second through hole is formed in the outer wall of one side of the hollow upright post, and the first through hole is communicated with the second through hole.

Preferably, both sides of the surface of the base are provided with fixing holes.

Preferably, the front end face of the box body is provided with a first sealing door, the first sealing door is provided with a first safety lock, a second sealing door is arranged below the front end face of the hollow upright post, and the second sealing door is provided with a second safety lock.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is arranged by matching a series of structures, when workers need to clean or replace the LED display screen body on the utility model, after a first sealing door on a box body is opened, a self-locking hand wheel is rotated to rotate forwards or backwards, the self-locking hand wheel drives a first rotating shaft to rotate forwards or backwards when rotating forwards or backwards, a first belt pulley is driven to rotate forwards or backwards when rotating forwards or backwards, a second belt pulley is driven to rotate forwards or backwards through a transmission belt when the first belt pulley rotates forwards or backwards, a second rotating shaft is driven to rotate forwards or backwards when rotating forwards or backwards, because the external thread on the second rotating shaft is meshed with the internal thread on the hole wall of the threaded hole on the sleeve, the sleeve can do upward or downward linear motion on the second rotating shaft when the second rotating shaft rotates forwards or backwards, the sleeve makes upward or downward linear motion so as to indirectly drive the LED display screen body on the mounting plate to make upward or downward linear motion, so that the LED display screen body can be moved to a position where workers can conveniently clean or replace the LED display screen body, and the utility model solves the problem that the existing indicating plate for the LED display screen is inconvenient for cleaning the LED display screen body; the utility model discloses made things convenient for the staff to clean the LED display screen body, improved the security, the practicality is strong.

Drawings

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

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present invention;

fig. 4 is a schematic diagram of a partial enlarged structure at B in fig. 2 according to the present invention.

In the figure: 1. a hollow upright post; 2. a connecting rod; 3. an LED display screen body; 4. mounting a plate; 5. a box body; 6. a first sealing door; 7. a first safety lock; 8. a second sealing door; 9. a second safety lock; 10. a base; 11. a first bearing housing; 12. a sleeve; 13. a self-locking hand wheel; 14. a first rotating shaft; 15. a first pulley; 16. a second bearing housing; 17. an external thread; 18. a slot; 19. a second pulley; 20. a drive belt; 21. a second rotating shaft; 22. a third bearing seat; 23. a fixing hole; 24. a threaded hole; 25. a first through hole; 26. a second via.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: an indicating plate for an LED display screen comprises a hollow upright post 1, wherein a second rotating shaft 21 is arranged inside the hollow upright post 1, the top end of the second rotating shaft 21 is arranged in a first bearing seat 11, the bottom end of the second rotating shaft 21 is arranged in a third bearing seat 22, the first bearing seat 11 and the third bearing seat 22 are respectively arranged at the top end and the bottom end of the hollow upright post 1, a sleeve 12 is arranged on the second rotating shaft 21, a connecting rod 2 is arranged on the outer wall of the sleeve 12, the other end of the connecting rod 2 penetrates through a slotted hole 18 on the hollow upright post 1 to be connected with a mounting plate 4, the front end surface of the mounting plate 4 is provided with an LED display screen body 3, a second belt pulley 19 is arranged below the outer wall of the second rotating shaft 21, a box body 5 is arranged below the outer wall at one side of the hollow upright post 1, a first rotating shaft 14 is arranged inside the box body 5, the bottom end of, a self-locking hand wheel 13 is arranged at the top end of a first rotating shaft 14, a first belt pulley 15 is arranged on the outer wall of the first rotating shaft 14, the first belt pulley 15 is connected with a second belt pulley 19 through a transmission belt 20, the transmission belt 20 penetrates through a first through hole 25 and a second through hole 26, an external thread 17 is arranged on the outer wall of the second rotating shaft 21, a threaded hole 24 is arranged at the central position of the end wall of the sleeve 12, the external thread 17 on the second rotating shaft 21 is meshed and connected with an internal thread on the wall of the threaded hole 24, a slotted hole 18 is arranged on the outer wall of the other side of the hollow upright post 1, the first through hole 25 is arranged on the outer wall of one side of the box body 5, the second through hole 26 is arranged on the outer wall of one side of the hollow upright post 1, the first through hole 25 is communicated with the second through hole 26, fixing holes 23 are arranged on both sides of the surface of the base 10, and a second sealing door 8 is arranged below the front end face of the hollow upright post 1, and a second safety lock 9 is arranged on the second sealing door 8.

The working principle is as follows: when the worker needs to clean or replace the LED display screen body 3 of the present invention, after the first sealing door 6 on the box body 5 is opened, the self-locking hand wheel 13 is rotated to rotate positively or negatively, the self-locking hand wheel 13 drives the first rotating shaft 14 to rotate positively or negatively when rotating positively or negatively, the first rotating shaft 14 drives the first belt pulley 15 to rotate positively or negatively when rotating positively or negatively, the first belt pulley 15 drives the second belt pulley 19 to rotate positively or negatively through the transmission belt 20 when rotating positively or negatively, the second belt pulley 19 drives the second rotating shaft 21 to rotate positively or negatively when rotating positively or negatively, because the external thread 17 on the second rotating shaft 21 is engaged and connected with the internal thread on the hole wall of the threaded hole 24 on the sleeve 12, thereby the sleeve 12 can be moved linearly upwards or downwards on the second rotating shaft 21 when rotating positively or negatively, the sleeve 12 moves linearly upwards or downwards so as to indirectly drive the LED display screen body 3 on the mounting plate 4 to move linearly upwards or downwards, so that the LED display screen body 3 can be moved to a position where workers can clean or replace the LED display screen body 3 conveniently, and the problem that the LED display screen body 3 is not convenient to clean by the existing indicating plate for the LED display screen is solved; the utility model discloses made things convenient for the staff to clean LED display screen body 3, improved the security, the practicality is strong.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a sign for LED display screen, includes cavity stand (1) and base (10), its characterized in that: the utility model discloses a hollow upright post, including cavity stand (1), first bearing (11), second pivot (21), first bearing (11) and third bearing (22), the top of second pivot (21) is installed in first bearing (11), the bottom of second pivot (21) is installed in third bearing (22), the top and the bottom at cavity stand (1) are installed respectively to first bearing (11) and third bearing (22), be provided with sleeve (12) on second pivot (21), install connecting rod (2) on the outer wall of sleeve (12), the slotted hole (18) on cavity stand (1) is passed to the other end of connecting rod (2) is connected with mounting panel (4), the preceding terminal surface of mounting panel (4) is provided with LED display screen body (3), second belt pulley (19) are installed to the outer wall below of second pivot (21), box (5) are installed to one side outer wall below of cavity stand (1), the inside of box (5) is provided with first pivot (14), install in second bearing frame (16) the bottom of first pivot (14), the inside bottom at box (5) is installed in second bearing frame (16), auto-lock hand wheel (13) are installed on the top of first pivot (14), install first belt pulley (15) on the outer wall of first pivot (14), first belt pulley (15) are connected with second belt pulley (19) through driving belt (20), and driving belt (20) run through first through-hole (25) and second through-hole (26).

2. A sign for an LED display screen according to claim 1, wherein: the outer wall of the second rotating shaft (21) is provided with an external thread (17), the center of the end wall of the sleeve (12) is provided with a threaded hole (24), and the external thread (17) on the second rotating shaft (21) is meshed with the internal thread on the hole wall of the threaded hole (24).

3. A sign for an LED display screen according to claim 1, wherein: the slotted hole (18) is arranged on the outer wall of the other side of the hollow upright post (1).

4. A sign for an LED display screen according to claim 1, wherein: the first through hole (25) is formed in the outer wall of one side of the box body (5), the second through hole (26) is formed in the outer wall of one side of the hollow upright post (1), and the first through hole (25) is communicated with the second through hole (26).

5. A sign for an LED display screen according to claim 1, wherein: fixing holes (23) are formed in two sides of the surface of the base (10).

6. A sign for an LED display screen according to claim 1, wherein: the front end face of the box body (5) is provided with a first sealing door (6), a first safety lock (7) is arranged on the first sealing door (6), a second sealing door (8) is arranged below the front end face of the hollow upright post (1), and a second safety lock (9) is arranged on the second sealing door (8).