Warning board capable of being adaptively adjusted

Abstract

The utility model discloses a warning board capable of being adaptively adjusted, which relates to the technical field of warning boards and comprises a base, a panel, a guide rod, a connecting frame and a fixing rod, a connecting shaft fixed on a second motor, a rack connected with a gear and a supporting column, a screw rod rotationally arranged in a strip-shaped groove, a first motor and a driving block connected with the screw rod, and a clamping rod fixed on the driving block. When the warning board is installed, the warning board is placed on the fixing rod, the first motor is started to drive the lead screw to rotate, and the lead screw enables the driving block to drive the clamping rod to move downwards to clamp and fix the warning board. When the height of the warning board is adjusted, a second motor is started to drive a connecting shaft to enable a gear to vertically move on a rack, then a panel vertically moves, and the panel drives the warning board to adjust the height through a fixing rod and a clamping rod; the problem that a plurality of adjusting bolts need to be continuously rotated for adjustment when the warning board is subjected to lifting adjustment, so that the trouble is caused is solved. The warning board is convenient to install, and labor force is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of warning signs, in particular to a warning sign which can be adaptively adjusted. Background Art

[0002] Warning signs are safety signs used to provide warnings, instructions, prohibitions or instructions. They are widely used in many occasions to ensure the safety of personnel and facilities. Warning signs are also needed in municipal construction to remind passing pedestrians and vehicles to pay attention to safety.

[0003] Chinese patent CN219716321U discloses a construction warning sign, including a fixed block placed on a base plate, the bottom of the fixed block is connected to rollers through brackets, columns with T-slots are fixedly installed on both sides of the top of the base plate, a T-block is slidably connected in the T-slot on the column, and an extension section on the T-block is fixedly connected to an adjustment bolt, the interference rod on the adjustment bolt penetrates the panel and extends into the T-slot, with the rotation of the adjustment bolt, the interference rod and the inner wall of the T-slot are fixed or disengaged, the adjustment bolt is symmetrically arranged relative to the center of the panel, and a first L-shaped bending plate is installed on the outer wall of the panel away from the column. Beneficial effects: The utility model solves the technical problems that the existing structure has no corresponding lifting mechanism, cannot be lifted and lowered, is inconvenient to operate manually, and cannot adaptively clamp and fix warning signs of different sizes.

[0004] In the above patent, when the warning sign is adaptively raised and lowered, it is necessary to continuously rotate multiple adjustment bolts for adjustment, which is rather troublesome; in addition, when the warning sign frame is adaptively fixed and installed, the four corners of the warning sign need to be installed one by one between the second L-shaped bending plates, which is rather troublesome and even requires multiple operators to operate, which is quite a waste of labor. Utility Model Content

[0005] The purpose of the utility model is to provide a warning sign that can be adaptively adjusted to solve the problems raised in the above background technology.

[0006] To solve the above technical problems, the present utility model provides the following technical solutions: A warning sign that can be adaptively adjusted, comprising: a base, on both left and right ends of the center of the top surface of the base, support columns are vertically fixed. Between the two support columns, a guide rod that is fixed to the base and slides with the panel is vertically provided. At the centers of both left and right ends of the panel, connecting frames are fixed. On the front wall of the connecting frame, a second motor is fixed. The output end of the second motor is horizontally fixed with a connecting shaft. On the outer wall of the connecting shaft, a gear that meshes with a rack is fixed. The rack is vertically fixed to the side walls of the support columns. At the lower end of the front wall of the panel, a fixed rod is horizontally fixed. At the center of the front wall of the panel, a strip-shaped groove is vertically opened. Inside the strip-shaped groove, a lead screw is vertically rotated. The upper end of the lead screw is fixed with a first motor that is fixed to the top surface of the panel. The lead screw is fitted with a driving block that slides in the strip-shaped groove. On the front wall of the driving block, a clamping rod located above the fixed rod is horizontally fixed.

[0007] Further, self-locking wheels are installed at the four corners of the bottom surface of the base.

[0008] Further, there are two guide rods, respectively located on the left and right sides of the center of the base. At both left and right ends of the panel, guide holes that slide with the guide rods are vertically opened.

[0009] Further, the cross-section of the connecting frame is in a U shape. The connecting shaft is located inside the connecting frame and is rotationally connected. The gear is located inside the connecting frame.

[0010] Further, on the side walls of the support columns close to the panel, rectangular grooves are vertically opened. The center of the rectangular groove is located above the center of the support column. The rack is fixedly connected to the inner wall of the rectangular groove.

[0011] Further, the cross-sections of the fixed rod and the clamping rod are both in an L shape. At both left and right ends of the front wall of the panel, sliding grooves that are slidably connected to the sliders are vertically opened. There are two sliders, which are respectively fixed to the rear walls of both ends of the clamping rod.

[0012] Compared with the prior art, the beneficial effects achieved by the present utility model are:

[0013] 1. When installing warning signs of different sizes in the present utility model, place the warning sign on the fixed rod, then start the first motor to drive the lead screw to rotate in the strip-shaped groove. The lead screw makes the driving block slide and move down in the strip-shaped groove. The driving block drives the clamping rod to slide on the panel. At the same time, the clamping rod drives the slider to slide in the sliding groove. The clamping rod moves downwards so that its inner wall clamps and fixes the warning sign. Turn off the first motor to achieve the applicable clamping and fixing of warning signs of different sizes; it solves the problem that it is rather troublesome to continuously rotate multiple adjusting bolts for adjustment when adjusting the lifting of the warning sign.

[0014] 2. When the utility model adjusts the height of the warning sign, the second motor is started to drive the connecting shaft to rotate in the connecting frame, the connecting shaft drives the gear to rotate, the gear moves vertically on the rack, and then the panel moves vertically through the connecting shaft and the connecting frame, and the panel slides on the guide rod at the same time. At the same time, the panel drives the warning sign to adjust its height through the fixing rod and the clamping rod. When the height of the warning sign reaches a suitable position, the second motor is turned off, so that the warning sign can be adaptively raised and lowered. This facilitates the installation of the warning sign and saves labor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a top view schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This utility model Figure 1 A schematic diagram of the enlarged structure of the middle A area;

[0018] Figure 3 This is a schematic diagram of the structural connection on the connecting frame of the utility model;

[0019] Figure 4 It is a front view schematic diagram of the overall structure of the utility model;

[0020] In the figure: 1. base; 2. self-locking wheel; 3. strip groove; 4. panel; 5. fixing rod; 6. support column; 7. rectangular groove; 8. rack; 9. slide groove; 10. guide hole; 11. guide rod; 12. motor 1; 13. screw rod; 14. drive block; 15. motor 2; 16. connecting frame; 17. clamping rod; 18. slider; 19. connecting shaft; 20. gear. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-Figure 4, the present utility model provides a technical solution: a warning sign that can be adaptively adjusted, including: a base 1, self-locking wheels 2 are installed at the four corners of the bottom surface of the base 1. After the self-locking wheels 2 move the overall device to a suitable position, the base 1 can be made more stable by controlling the self-locking wheels 2, thereby making the overall device more stable. At both left and right ends of the center of the top surface of the base 1, support columns 6 are vertically fixed. Limiting plates (not marked in the figure) are fixed on the top surfaces of the support columns 6, which can prevent the panel 4 from detaching from the guide rod 11 and can also prevent the gear 20 from detaching from the rack 8. Between the two support columns 6, a guide rod 11 that is fixed to the base 1 and slides with the panel 4 is vertically provided. There are two guide rods 11, which are respectively located on the left and right sides of the center of the base 1. The guide rod 11 plays a guiding role, which can prevent the gear 20 from detaching from the rack 8 in the horizontal direction and can also make the panel 4 move stably vertically. Guide holes 10 that slide with the guide rod 11 are vertically opened at both left and right ends of the panel 4. Connecting frames 16 are fixed at the centers of both left and right ends of the panel 4. A second motor 15 is fixed to the front wall of the connecting frame 16. A connecting shaft 19 is horizontally fixed to the output end of the second motor 15. A gear 20 that meshes with the rack 8 is fixed to the outer wall of the connecting shaft 19. The cross-section of the connecting frame 16 is in a U shape. The connecting shaft 19 is located inside the connecting frame 16 and is rotatably connected. The gear 20 is located inside the connecting frame 16. The rack 8 is vertically fixed to the side walls of the support columns 6. Rectangular grooves 7 are vertically opened on the side walls of the support columns 6 close to the panel 4. The center of the rectangular groove 7 is above the center of the support column 6. The rack 8 is fixedly connected to the inner wall of the rectangular groove 7. A fixing rod 5 is horizontally fixed to the lower end of the front wall of the panel 4. A strip-shaped groove 3 is vertically opened at the center of the front wall of the panel 4. A lead screw 13 is vertically rotatably arranged in the strip-shaped groove 3. The upper end of the lead screw 13 is fixed to a first motor 12 that is fixed to the top surface of the panel 4. A driving block 14 that slides with the strip-shaped groove 3 is provided in a matching manner with the lead screw 13. The driving block 14 and the strip-shaped groove 3 slide, which can make the driving block 14 move stably vertically. A clamping rod 17 that is located above the fixing rod 5 is horizontally fixed to the front wall of the driving block 14. The cross-sections of the fixing rod 5 and the clamping rod 17 are both in an L shape, making the warning sign more firmly fixed. Sliding grooves 9 that are slidably connected to the sliders 18 are vertically opened at both left and right ends of the front wall of the panel 4. There are two sliders 18, which are respectively fixed to the rear walls of both ends of the clamping rod 17. The sliders 18 and the sliding grooves 9 can improve the stability of the clamping rod 17 when it moves.

[0023] The working principle of the present utility model:

[0024] Refer to the attached instructions Figure 1-4When installing warning signs of different sizes, place the warning sign on the fixing rod 5, and then start the motor 12. The output end of the motor 12 drives the screw rod 13 to rotate in the strip groove 3. The screw rod 13 causes the driving block 14 to slide downward in the strip groove 3. The driving block 14 drives the clamping rod 17 to slide on the panel 4. At the same time, the clamping rod 17 drives the slider 18 to slide in the slide groove 9. The clamping rod 17 moves downward to clamp the inner wall and the warning sign tightly. Turn off the motor 12 to achieve the clamping and fixing of warning signs of different sizes. When adjusting the height of the warning sign, start the motor 2 15. The output end of the motor 2 15 drives the connecting shaft 19 to connect the connecting shaft 19. The frame 16 rotates, the connecting shaft 19 drives the gear 20 to rotate, the gear 20 moves vertically on the rack 8, and then the panel 4 moves vertically through the connecting shaft 19 and the connecting frame 16, and the panel 4 slides on the guide rod 11 at the same time. At the same time, the panel 4 drives the warning sign to adjust its height through the fixing rod 5 and the clamping rod 17. When the height of the warning sign reaches a suitable position, the motor 2 15 is turned off, so that the warning sign can be adaptively lifted and lowered; the problem that multiple adjustment bolts need to be rotated continuously for adjustment when lifting and lowering the warning sign is solved, which causes more trouble; it is convenient to install the warning sign and saves labor.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. Warning signs that can be adaptively adjusted include: The base (1) is characterized in that: support columns (6) are vertically fixed at both left and right ends of the center of the top surface of the base (1); a guide rod (11) fixed to the base (1) and sliding with the panel (4) is vertically arranged between the two support columns (6); a connecting frame (16) is fixed at the center of both left and right ends of the panel (4); a motor 2 (15) is fixed to the front wall of the connecting frame (16); a connecting shaft (19) is horizontally fixed to the output end of the motor 2 (15); a gear (20) meshing with the rack (8) is fixed to the outer wall of the connecting shaft (19) The rack (8) and the side walls of the support column (6) are vertically fixed, a fixing rod (5) is horizontally fixed to the lower end of the front wall of the panel (4), a strip groove (3) is vertically opened in the center of the front wall of the panel (4), a screw rod (13) is vertically rotated in the strip groove (3), a motor (12) fixed to the top surface of the panel (4) is fixed to the upper end of the screw rod (13), a driving block (14) sliding with the strip groove (3) is matched with the screw rod (13), and a clamping rod (17) located above the fixing rod (5) is horizontally fixed to the front wall of the driving block (14).

2. The adaptively adjustable warning sign according to claim 1, characterized in that: Self-locking wheels (2) are installed at the four corners of the bottom surface of the base (1).

3. The adaptively adjustable warning sign according to claim 1, characterized in that: Two guide rods (11) are provided, respectively located on the left and right sides of the center of the base (1), and guide holes (10) for sliding with the guide rods (11) are vertically opened at both left and right ends of the panel (4).

4. The adaptively adjustable warning sign according to claim 1, characterized in that: The connecting frame (16) has a cross-section in the shape of a ⌚, the connecting shaft (19) is located inside the connecting frame (16) and is rotationally connected, and the gear (20) is located inside the connecting frame (16).

5. The adaptively adjustable warning sign according to claim 1, characterized in that: A rectangular groove (7) is vertically opened on one side wall of the support column (6) close to the panel (4), the center of the rectangular groove (7) is located above the center of the support column (6), and the rack (8) is fixedly connected to the inner wall of the rectangular groove (7).

6. The adaptively adjustable warning sign according to claim 1, characterized in that: The fixing rod (5) and the clamping rod (17) are both L-shaped in cross-section. The left and right ends of the front wall of the panel (4) are vertically provided with sliding grooves (9) slidably connected to the slider (18). The slider (18) is provided with two pieces and is respectively fixed to the rear walls at both ends of the clamping rod (17).

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