Warning board for tunnel portal construction

Abstract

A warning board for tunnel portal construction is characterized in that a display screen is arranged on one end face of a main body, the back face of the display screen is electrically connected with a control device and a first guide rail, a second guide rail is arranged on the periphery of the first guide rail and provided with a blocking piece, a blocking key of the blocking piece penetrates through the first guide rail, and a driving key of the blocking piece is rotationally connected to the side wall of the second guide rail; and the driving key is rotated to enable the stop key to penetrate into and out of the first guide rail. Through the display screen on the end face of the main body, warning information can be provided for drivers and pedestrians; the control device can process, store and transmit information to ensure that the display screen can timely, accurately and automatically adjust warning contents according to actual conditions; the structural design of the stop piece and the guide rail can ensure the stability and adjustability of the warning board so as to adapt to the special environment of the tunnel portal; an LED or a liquid crystal display screen is adopted, so that the display effect and visibility can be improved; and the reflective strips are arranged around the display screen, so that the visibility of the warning board at night or under a low-light condition can be improved, and the warning effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of warning signs, and more specifically to a warning sign for tunnel entrance construction. Background Art

[0002] Warning signs are used to remind pedestrians to pay attention to construction areas, inform temporary traffic rules and restrictions in construction areas, guide traffic flow, and avoid traffic congestion and accidents. However, warning signs in tunnel entrance construction areas are usually fixed and cannot be adjusted according to actual construction conditions. In particular, when encountering emergencies, warning signs cannot provide corresponding risk warnings in a timely manner, which will cause the warning content of the construction area to be inconsistent with the actual situation, which will not achieve the expected effect and may also cause additional accidents.

[0003] Therefore, how to provide a warning sign for tunnel entrance construction that can automatically adjust the warning content according to actual conditions is a problem that technical personnel in this field urgently need to solve. Utility Model Content

[0004] In view of this, the utility model provides a warning sign for tunnel entrance construction.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution, including: a display screen is provided on one end face of the main body, a control device and a first guide rail are electrically connected to the back of the display screen, a second guide rail is provided around the outer periphery of the first guide rail, a stop member is provided on the second guide rail, a stop key of the stop member is passed through the first guide rail, a drive key of the stop member is rotatably connected to the side wall of the second guide rail, and the drive key is rotated to make the stop key pass into and out of the first guide rail.

[0006] Preferably, in the above-mentioned warning sign for tunnel entrance construction, the end where the stop key abuts against the drive key is a hollow annular structure, and an axial ridge-shaped protrusion is provided at the bottom end of the side wall, and the end where the drive key abuts against the stop key can be movably mounted in the hollow structure of the stop key.

[0007] Preferably, in the above-mentioned warning sign for tunnel entrance construction, a side wall of one end of the driving key sleeve disposed on the stop key is provided with a snap-fitting strip, and the snap-fitting strip cooperates with the ridge-shaped protrusion to relatively fix the driving key and the stopper.

[0008] Preferably, in the above-mentioned warning sign for tunnel entrance construction, a spring is provided around the outer periphery of the stop member, one end of the spring abuts against the inner wall of the second guide rail, and the other end abuts against the outer bottom surface of the hollow annular structure of the stop key.

[0009] Preferably, in the above-mentioned warning sign for tunnel entrance construction, the control device includes a processor for processing information, a memory for storing information and a transmitter for transmitting information, and the processor, the memory and the transmitter are all electrically connected to the display screen.

[0010] Preferably, in the above-mentioned warning sign for tunnel entrance construction, the display screen is specifically an LED display screen or a liquid crystal display screen.

[0011] Preferably, in the above-mentioned warning sign for tunnel entrance construction, reflective strips are provided around the front end surface of the display screen.

[0012] It can be seen from the above technical solutions that, compared with the prior art, the utility model discloses a warning sign for tunnel entrance construction, which can provide warning information to drivers and pedestrians through the display screen on the end face of the main body to improve safety awareness; the control device can process, store and transmit information to ensure that the display screen can automatically adjust the warning content according to actual conditions in a timely and accurate manner; the structural design of the stopper and the guide rail can ensure the stability and adjustability of the warning sign to adapt to the special environment of the tunnel entrance; the use of LED or liquid crystal display screens can improve the display effect and visibility, making the warning information clearer; and the arrangement of reflective strips around the display screen can increase the visibility of the warning sign at night or in low light conditions, thereby improving the warning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0014] Figure 1 The accompanying drawing is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 The accompanying drawing is a schematic diagram of the second guide rail and the engaging member of the present utility model.

[0016] Figure 3 The accompanying drawing is a schematic diagram of the structure principle of the engaging member of the utility model.

[0017] In the figure, 1-display screen, 11-reflective strip, 21-processor, 22-memory, 23-transmitter, 3-first guide rail, 4-second guide rail, 5-clamping piece, 51-stop key, 512-protrusion, 52-driving key, 521-clamping strip, 6-spring. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0022] Please see attached Figure 1-3 , is a warning sign for tunnel entrance construction disclosed by the utility model.

[0023] Embodiment 1:

[0024] The utility model mainly includes:

[0025] A display screen 1 is provided on one end face of the main body, and a control device and a first guide rail 3 are electrically connected to the back of the display screen 1. A second guide rail 4 is provided around the outer periphery of the first guide rail 3, and the second guide rail 4 is provided with a clamping member 5. A stop key 51 of the clamping member 5 is penetrated through the first guide rail 3, and a driving key 52 of the clamping member 5 is rotatably connected to the side wall of the second guide rail 4. The driving key 52 is rotated to make the stop key 51 penetrate into and out of the first guide rail 3.

[0026] It should be noted that the display screen 1 is integrally formed with a accommodating frame for accommodating the display screen 1, the first guide rail 3 is fixedly connected to the rear end of the display screen 1 accommodating frame, for example, by welding or integral molding, the control device is fixedly connected to the rear end of the display screen 1 accommodating frame, and the control device is electrically connected to the display screen 1.

[0027] It should be noted that the driving key 52 and the stopping key 51 of the engaging member 5 cooperate with each other, so that the rotational motion between the driving key 52 and the stopping key 51 can be converted into a telescopic motion.

[0028] The control device includes a processor 21 for processing information, a memory 22 for storing information and a transmitter 23 for transmitting information. The processor 21, the memory 22 and the transmitter 23 are all electrically connected to the display screen 1 to ensure that the display screen can automatically adjust the warning content according to the actual situation in a timely and accurate manner.

[0029] The display screen 1 is specifically an LED display screen or a liquid crystal display screen to improve the display effect and visibility and make the warning information clearer.

[0030] Reflective strips 11 are arranged around the front surface of the display screen 1 to increase the visibility of the warning sign at night or in low light conditions and improve the warning effect.

[0031] Embodiment 2:

[0032] The utility model mainly includes:

[0033] A display screen 1 is provided on one end face of the main body, and a control device and a first guide rail 3 are electrically connected to the back of the display screen 1. A second guide rail 4 is provided around the outer periphery of the first guide rail 3, and the second guide rail 4 is provided with a clamping member 5. A stop key 51 of the clamping member 5 is penetrated through the first guide rail 3, and a driving key 52 of the clamping member 5 is rotatably connected to the side wall of the second guide rail 4. The driving key 52 is rotated to make the stop key 51 penetrate into and out of the first guide rail 3.

[0034] It should be noted that the display screen 1 is integrally formed with a accommodating frame for accommodating the display screen 1, the first guide rail 3 is fixedly connected to the rear end of the display screen 1 accommodating frame, for example, by welding or integral molding, the control device is fixedly connected to the rear end of the display screen 1 accommodating frame, and the control device is electrically connected to the display screen 1.

[0035] It should be noted that the driving key 52 and the stopping key 51 of the engaging member 5 cooperate with each other, so that the rotational motion between the driving key 52 and the stopping key 51 can be converted into a telescopic motion.

[0036] The end of the stop key 51 that abuts against the driving key 52 is a hollow annular structure, and an axial ridge-shaped protrusion 512 is provided at the bottom end of the side wall. The end of the driving key 52 that abuts against the stop key 51 can be movably sleeved in the hollow structure of the stop key 51.

[0037] It should be noted that the number of ridge-shaped protrusions 512 is N (N is an integral multiple of 4), a groove is formed between two adjacent protrusions, the depths of two opposite grooves are consistent, and the depths of two adjacent grooves are inconsistent.

[0038] The side wall of the driving key 52 which is sleeved on one end of the stopping key 51 is provided with a snap-fit ​​strip 521 , and the snap-fit ​​strip 521 cooperates with the ridge-shaped protrusion 512 to fix the driving key 52 and the stopping key 51 relatively.

[0039] It should be noted that there are two engaging strips 521, which are arranged opposite to the side wall of one end of the drive key 52 and the stop key 51. When the drive key 52 rotates relative to the stop key 51, the engaging strips 51 are staggered and engaged in the grooves with inconsistent depths.

[0040] A spring 6 is disposed around the outer periphery of the stop key 51 , one end of the spring 6 abuts against the inner wall of the second guide rail 4 , and the other end abuts against the outer bottom surface of the hollow annular structure of the stop key 51 .

[0041] It should be noted that the spring 6 can make the locking strips 51 staggeredly locked in grooves with inconsistent depths, and the stop key 51 always abuts against the driving key 52, so that the distance between the two ends of the locking member 5 is intermittently extended and shortened.

[0042] The control device includes a processor 21 for processing information, a memory 22 for storing information and a transmitter 23 for transmitting information. The processor 21, the memory 22 and the transmitter 23 are all electrically connected to the display screen 1 to ensure that the display screen can automatically adjust the warning content according to the actual situation in a timely and accurate manner.

[0043] The display screen 1 is specifically an LED display screen or a liquid crystal display screen to improve the display effect and visibility and make the warning information clearer.

[0044] Reflective strips 11 are arranged around the front surface of the display screen 1 to increase the visibility of the warning sign at night or in low light conditions and improve the warning effect.

[0045] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0046] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A warning sign for tunnel entrance construction, characterized in that: A display screen (1) is provided on one end surface of the main body, a control device and a first guide rail (3) are electrically connected to the back of the display screen (1), a second guide rail (4) is provided on the outer periphery of the first guide rail (3), the second guide rail (4) is provided with a clamping member (5), a stop key (51) of the clamping member (5) is inserted through the first guide rail (3), a driving key (52) of the clamping member (5) is rotatably connected to a side wall of the second guide rail (4), and the driving key (52) is rotated to allow the stop key (51) to penetrate into and out of the first guide rail (3).

2. The tunnel entrance construction warning sign according to claim 1, characterized in that: The end of the stop key (51) that abuts against the driving key (52) is a hollow annular structure, and an axial ridge-shaped protrusion (512) is provided at the bottom end of the side wall. The end of the driving key (52) that abuts against the stop key (51) can be movably sleeved in the hollow structure of the stop key (51).

3. The tunnel entrance construction warning sign according to claim 2, characterized in that: The side wall of one end of the driving key (52) sleeved on the stopping key (51) is provided with a snap-fit ​​strip (521), and the snap-fit ​​strip (521) cooperates with the ridge-shaped protrusion (512) to relatively fix the driving key (52) and the stopping key (51).

4. The tunnel entrance construction warning sign according to claim 3, characterized in that: A spring (6) is provided around the outer periphery of the stop key (51), one end of the spring (6) abuts against the inner wall of the second guide rail (4), and the other end abuts against the outer bottom surface of the hollow annular structure of the stop key (51).

5. The tunnel entrance construction warning sign according to claim 1 or 4, characterized in that: The control device comprises a processor (21) for processing information, a memory (22) for storing information and a transmitter (23) for transmitting information. The processor (21), the memory (22) and the transmitter (23) are all electrically connected to the display screen.

6. The tunnel entrance construction warning sign according to claim 5, characterized in that: The display screen (1) is specifically an LED display screen or a liquid crystal display screen.

7. The tunnel entrance construction warning sign according to claim 6, characterized in that: Reflective strips (11) are arranged around the front end surface of the display screen (1).

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