Portable temporary road sign for construction site
By introducing a bottom shell roller structure and a cleaning mechanism into temporary road signs used at construction sites, the problems of heavy signs and dust adhesion are solved, achieving the effects of convenient movement and efficient cleaning.
Patent Information
- Application Number
- CN202422514991.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-10-17
AI Technical Summary
The existing temporary road signs used in construction sites are bulky, inconvenient to carry and move, and are easily adhered to dust in dusty environments, making them inconvenient to clean.
A convenient temporary road sign for construction sites is designed. The sign adopts a bottom shell and roller structure for easy movement, a support rod and a mother rod for adjusting the height and angle, and a cleaning mechanism for removing dust. The sign includes a limiting box, a motor, a screw, a moving plate and a brush.
It enables convenient movement, flexible adjustment and efficient cleaning of signboards, improving ease of use and safety.
Smart Images

Figure CN223343187U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction sites, in particular to a convenient temporary road sign for construction sites. Background Art
[0002] The roads at construction sites are relatively narrow, and the road conditions are changeable and dusty. Temporary road signs need to be set up on the construction sites to guide vehicles and avoid traffic congestion or safety accidents.
[0003] The Chinese utility model patent with authorization announcement number CN215210668U discloses an indicator device for construction sites, which relates to the technical field of road signboards. It includes a fixed rod, on which a plurality of signboards are fixedly mounted, an elastic component is provided at the top of the fixed rod, a falling component is provided inside the signboard, and a limit component is also provided on the signboard, which can limit and fix the falling component. The utility model has a reasonable structure. When the fixed rod falls over, the slider at the corresponding position drives the rubber block to slide out of the corresponding hollow groove under the guidance of multiple guide bars, and the slider and the rubber block are quickly limited and fixed by the limit bolt and the arc angle setting thereon, so that the rubber block contacts the ground, avoiding direct contact of one end of the signboard with the ground and causing damage. At the same time, it can also play a certain role in protecting personnel, avoiding direct contact of the sharp end of the signboard with the human body, further improving the safety of the signboard.
[0004] However, the existing temporary road signs used in construction sites are bulky and inconvenient to carry and move. Since there is a lot of dust near the construction site, dust easily adheres to the signs, making it inconvenient to clean. Therefore, we propose a convenient temporary road sign for construction sites to solve the above problems. Utility Model Content
[0005] The purpose of the present utility model is to provide a convenient temporary road sign for construction sites, so as to solve the problem that the existing temporary road sign for construction sites proposed in the above background technology is relatively bulky and inconvenient to carry and move. Due to the large amount of dust near the construction site, dust is easily adhered to the sign, making it inconvenient to clean.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a portable temporary road sign for construction sites, comprising a bottom shell and a sign:
[0007] The bottom shell is rotatably connected to a mounting plate, an end of the mounting plate away from the bottom shell is rotatably mounted with a roller, and a limiting rod is passed through the inside of the mounting plate;
[0008] A support rod is fixed on the upper surface of the bottom shell, and a mother rod is provided on the outer side of the top end of the support rod. A connecting block is fixed on the upper surface of the mother rod, and the outer end of the connecting block is rotatably connected to a connecting plate. An indicator sign is fixed on the front side of the connecting plate. A manual telescopic rod is rotatably installed on the outer end of the mother rod;
[0009] A cleaning mechanism is installed on the indicator board.
[0010] Preferably, holes for the limiting rod to pass through are provided at the front and rear ends of the bottom shell and inside the mounting plate, and the mounting plate is symmetrically arranged with respect to the center line of the bottom shell.
[0011] Preferably, screw holes are provided at equal intervals inside the support rod, and the support rod is fixedly connected to the mother rod by screws.
[0012] Preferably, the output end of the manual telescopic rod is rotatably connected to the sign.
[0013] Preferably, the cleaning mechanism includes a limiting box, a motor, a screw, a movable plate and a brush. The limiting box is fixed to the upper surface of the sign, and the motor is fixed to the inner left end of the limiting box. The output end of the motor is fixed with a screw, and the outer end of the screw is threadedly connected to the movable plate, and the lower surface of the movable plate is installed with a brush.
[0014] Preferably, the movable plate forms a sliding structure with the limiting box through a screw, and a sliding groove for the movable plate to move is provided at the bottom end of the limiting box.
[0015] Preferably, the rear side of the brush fits into the front side of the sign.
[0016] Compared with the prior art, the utility model has the following beneficial effects: the portable temporary road sign for construction sites is easy to move and carry, easy to adjust the height and angle of the sign, and easy to clean the dust on the sign;
[0017] 1. Flip out the mounting plate and roller from the inside of the bottom shell, then insert the limiting rod into the inside of the bottom shell and mounting plate to fix the mounting plate and roller, thereby exposing the roller, making it easier to move and carry the temporary road sign;
[0018] 2. Lift the mother pole on the outside of the support pole to adjust the height of the sign that is indirectly connected to the mother pole. After adjusting the height of the sign, fix the support pole and the mother pole with screws;
[0019] Rotate the connecting plate and the indicator plate on the outside of the connecting block to adjust the angle of the indicator plate, and then fix the manual telescopic rod with bolts to limit the indicator plate;
[0020] 3. The limiting box, motor, screw, movable plate and brush constitute a cleaning mechanism. The motor drives the screw to rotate, thereby moving the movable plate and the brush to move. The movement of the brush cleans the sign, making it easier to clean the dust on the sign. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the first axial side structure of the utility model;
[0022] Figure 2 This is a schematic diagram of the first axial side cross-section structure of the present invention;
[0023] Figure 3 This is a schematic diagram of the second-axis side structure of the utility model;
[0024] Figure 4 This is a schematic diagram of the third-axis side structure of the utility model;
[0025] Figure 5 This is a schematic diagram of the second axial side section structure of the present invention.
[0026] In the figure: 1. bottom shell; 2. mounting plate; 3. roller; 4. limiting rod; 5. support rod; 6. mother rod; 7. connecting block; 8. connecting plate; 9. manual telescopic rod; 10. indicator plate; 11. limiting box; 12. motor; 13. screw; 14. moving plate; 15. brush. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0028] Example 1: Please refer to Figure 1-Figure 5 The existing temporary road signs used in construction sites are bulky and inconvenient to carry and move. In order to solve this technical problem, this embodiment discloses the following technical content;
[0029] A portable temporary road sign for construction sites. A mounting plate 2 is rotatably connected to the interior of a bottom shell 1. A roller 3 is rotatably mounted on the end of the mounting plate 2 away from the bottom shell 1. A limiting rod 4 extends through the interior of the mounting plate 2. Holes for the limiting rod 4 to pass through are provided at the front and rear ends of the bottom shell 1 and the interior of the mounting plate 2. The mounting plates 2 are symmetrically arranged about the center line of the bottom shell 1.
[0030] When the temporary road sign for a construction site needs to be moved, the limiting rod 4 is pulled out from the inside of the bottom shell 1 and the mounting plate 2, and then the bottom shell 1 is lifted upward, and then the mounting plate 2 is rotated to rotate the roller 3 out of the inside of the bottom shell 1, and then the limiting rod 4 is aligned with the holes aligned with the mounting plate 2 and the bottom shell 1, and the limiting rod 4 is inserted into the inside of the bottom shell 1 and the mounting plate 2, thereby fixing the mounting plate 2 and the roller 3, and the temporary road sign for a construction site is pushed, and the roller 3 is used for easy movement and carrying;
[0031] When the temporary road sign for the construction site needs to be placed at a fixed position, the limiting rod 4 is pulled out, and then the mounting plate 2 and the roller 3 are put into the bottom shell 1, and then the limiting rod 4 is inserted, and the bottom shell 1 is placed on the ground of the construction site;
[0032] Example 2: The existing temporary road signs used in construction sites are not convenient for adjusting the height and angle of the sign 10. In order to solve this technical problem, this embodiment discloses the following technical content, please refer to Figure 2 and Figure 3 ;
[0033] A support rod 5 is fixed to the upper surface of the bottom shell 1, and a mother rod 6 is provided on the outer side of the top of the support rod 5. Screw holes are opened at equal intervals inside the support rod 5, and the support rod 5 is fixedly connected to the mother rod 6 by screws. An indicator sign 10 is indirectly mounted on the mother rod 6. The mother rod 6 is raised and lowered by the outer side of the support rod 5 to adjust the height of the indicator sign 10. After the height is adjusted, the support rod 5 and the mother rod 6 are fixed by screws.
[0034] A connecting block 7 is fixed to the upper surface of the mother rod 6, and the outer end of the connecting block 7 is rotatably connected to a connecting plate 8, and an indicator sign 10 is fixed to the front side of the connecting plate 8. A manual telescopic rod 9 is rotatably installed on the outer end of the mother rod 6, and the output end of the manual telescopic rod 9 is rotatably connected to the indicator sign 10;
[0035] Rotate the connecting plate 8 and the sign 10 on the outside of the connecting block 7, and rotate and extend the manual telescopic rod 9. After adjusting the display angle of the sign 10, fix the length of the manual telescopic rod 9 with bolts to limit the angle of the sign 10.
[0036] Example 3: The existing temporary road signs used in construction sites. Due to the large amount of dust near the construction site, the sign 10 is easily adhered to dust, which is inconvenient to clean. In order to solve this technical problem, this embodiment discloses the following technical content, please refer to Figure 1-Figure 5 ;
[0037] A cleaning mechanism is installed on the sign 10, which includes a limiting box 11, a motor 12, a screw 13, a movable plate 14 and a brush 15. The limiting box 11 is fixed to the upper surface of the sign 10, and the motor 12 is fixed to the left end of the inner portion of the limiting box 11. The screw 13 is fixed to the output end of the motor 12, and the outer end of the screw 13 is threadedly connected to the movable plate 14. The brush 15 is installed on the lower surface of the movable plate 14. The movable plate 14 forms a sliding structure with the limiting box 11 through the screw 13. The bottom end of the limiting box 11 is provided with a slide groove for the movable plate 14 to move. The rear side of the brush 15 is in contact with the front side of the sign 10.
[0038] When the sign 10 needs to be cleaned, the motor 12 is started, the motor 12 drives the screw 13 to rotate, and the movable plate 14 threadedly connected to the screw 13 moves, so that the brush 15 moves along the front side of the sign 10 to clean the dust on the sign 10;
[0039] The brush 15 is detachably mounted on the movable plate 14 , and the movable plate 14 and the brush 15 can be disassembled;
[0040] The above completes a series of operations for the portable temporary road sign for construction sites. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.
[0041] The standard parts used in this utility model can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.
[0042] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A portable temporary road sign for a construction site, comprising a base (1) and a sign (10), characterized in that: The bottom shell (1) is rotatably connected to a mounting plate (2), an end of the mounting plate (2) away from the bottom shell (1) is rotatably mounted with a roller (3), and a limiting rod (4) is passed through the inside of the mounting plate (2); A support rod (5) is fixed to the upper surface of the bottom shell (1), and a mother rod (6) is provided on the outer side of the top end of the support rod (5), a connecting block (7) is fixed to the upper surface of the mother rod (6), and the outer end of the connecting block (7) is rotatably connected to a connecting plate (8), an indicator sign (10) is fixed to the front side of the connecting plate (8), and a manual telescopic rod (9) is rotatably installed on the outer end of the mother rod (6); A cleaning mechanism is installed on the signboard (10).
2. A portable temporary road sign for construction sites according to claim 1, characterized in that: Holes for the limiting rod (4) to pass through are provided at the front and rear ends of the bottom shell (1) and inside the mounting plate (2), and the mounting plate (2) is symmetrically arranged with respect to the center line of the bottom shell (1).
3. The portable temporary road sign for construction sites according to claim 1, characterized in that: Screw holes are provided at equal intervals inside the support rod (5), and the support rod (5) is fixedly connected to the mother rod (6) via screws.
4. The portable temporary road sign for construction sites according to claim 1, characterized in that: The output end of the manual telescopic rod (9) is rotatably connected to the indicator sign (10).
5. The portable temporary road sign for construction sites according to claim 1, characterized in that: The cleaning mechanism comprises a limiting box (11), a motor (12), a screw (13), a movable plate (14) and a brush (15); the limiting box (11) is fixed to the upper surface of the indicator sign (10); the motor (12) is fixed to the inner left end of the limiting box (11); the screw (13) is fixed to the output end of the motor (12); the outer end of the screw (13) is threadedly connected to the movable plate (14); and the brush (15) is installed on the lower surface of the movable plate (14).
6. The portable temporary road sign for construction sites according to claim 5, characterized in that: The movable plate (14) forms a sliding structure with the limiting box (11) via a screw rod (13), and a sliding groove for the movable plate (14) to move is provided at the bottom end of the limiting box (11).
7. The portable temporary road sign for construction sites according to claim 5, characterized in that: The rear side of the brush (15) is in contact with the front side of the sign (10).
Citation Information
Patent Citations
Indicating device for construction site
CN215210668U