Temporary closing device for municipal roads and bridges
By designing a temporary closure device including a conical roadblock body and an auxiliary warning structure, the problem of poor reflection effect of existing roadblocks at night is solved, better night warning effect is achieved, and the risk of accidents is reduced.
Patent Information
- Application Number
- CN202421493412.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-06-27
AI Technical Summary
The existing roadblocks are small in size and the reflection effect is not obvious at night, making it difficult for drivers to see the roadblocks clearly at night, increasing the risk of accidents.
A temporary closure device is designed, including a conical barrier body and an auxiliary warning structure. The auxiliary warning structure increases the overall volume of the roadblock through the retractable telescopic rod and support rod structure, and increases the reflective area through the design of the warning plate and the extension plate.
By increasing the volume and reflective area of the roadblock, the warning effect at night is significantly improved, the risk of drivers not being able to see the roadblock clearly at night, and the possibility of accidents is reduced.
Smart Images

Figure CN222961937U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of road construction, in particular to a temporary closing device for municipal road bridges. Background Art
[0002] The construction of the city naturally cannot do without road maintenance. During the process of road maintenance, people usually use protection devices to isolate the maintenance site on the section being repaired. The protection devices used for municipal road maintenance are used to warn vehicles to detour, and at the same time prevent vehicles that are too late to react from posing a life threat to construction workers;
[0003] During the existing road construction process, generally multiple conical roadblocks are used to warn vehicles to change lanes and avoid. These roadblocks are more conspicuous during the day, but at night, only the circular reflective tape on the outside of the roadblock is relied on for reminder. In addition, the roadblock has a small volume, so the reflective area of the reflective tape is not very large. Therefore, it is very easy for drivers to not see the roadblock ahead clearly at night, resulting in accidents. Content of the Utility Model
[0004] The technical problem to be solved by the utility model is that the existing roadblocks have a small volume and the reflective effect is not obvious at night.
[0005] To solve the above problems, the technical solution adopted by the utility model is a temporary closing device for municipal road bridges, including a conical roadblock body. An auxiliary warning structure is arranged inside the conical roadblock body. The auxiliary warning structure includes a sleeve fixed to the bottom inside the conical roadblock body. A telescopic rod is arranged inside the sleeve. A limiting slideway is opened on the side of the sleeve, and a limiting retaining groove is opened at the top of the limiting slideway. A retaining rod is fixed in the limiting slideway near the bottom on one side of the telescopic rod. A receiving groove is opened inside the telescopic rod. Threaded teeth are fixed near the upper and lower sides inside the receiving groove. A support rod screwed and tightened with the threaded teeth is arranged in the receiving groove. The top of the support rod is fixed with a support plate. A hinge shaft is fixed on the lower side of the support plate. Two warning plates are rotatably arranged on the side of the hinge shaft. A limiting chute is opened on one side of the warning plate. An extension plate is slidably arranged in the limiting chute.
[0006] As a further scheme of the utility model: Reflective stickers are attached to both sides of the warning plate and the extension plate, and a circular reflective sticker is attached to the outside of the conical roadblock body.
[0007] As a further scheme of the utility model: The length of the telescopic rod is greater than the depth inside the sleeve. The length of the telescopic rod is greater than the depth inside the sleeve. The limiting retaining groove communicates with the upper end of the limiting slideway and is L-shaped. The retaining rod supports in the limiting retaining groove to support the position of the telescopic rod.
[0008] As a further solution of the utility model: the length of the warning board is less than the diameter of the support disk, so as to facilitate the rotation of the warning board and store it inside the conical roadblock body; the length of the extension board is less than the length of the limit sliding groove, so as to facilitate the pushing of the extension board into the limit sliding groove for storage.
[0009] As a further solution of the utility model: a handle is fixed on the top of the support disk for pulling the telescopic rod.
[0010] As a further solution of the utility model: an annular handle is fixed on the top of the conical roadblock body to facilitate lifting the conical roadblock body.
[0011] The advantages of the utility model compared with the prior art are as follows: this patent adds an auxiliary warning structure. Through the telescopic telescopic rod and support rod structure, the overall volume of the roadblock structure is increased, and the warning board and extension board structures are added, increasing the reflective area, and being able to better remind the driver. Description of the Drawings
[0012] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification. Together with the embodiments of the utility model, they are used to explain the utility model, and do not constitute a limitation to the utility model. In the drawings:
[0013] Figure 1 It is a three-dimensional view of the overall structure in a temporary closing device for municipal road bridges of the utility model.
[0014] Figure 2 It is a cross-sectional view of the overall structure in a temporary closing device for municipal road bridges of the utility model.
[0015] Figure 3 It is a schematic diagram of the limit slideway structure in a temporary closing device for municipal road bridges of the utility model.
[0016] Figure 4 It is a schematic cross-sectional view of the warning board and the extension board in a temporary closing device for municipal road bridges of the utility model.
[0017] Figure 5 It is an enlarged view of the structure of part A in a temporary closing device for municipal road bridges of the utility model.
[0018] In the drawings:
[0019] 1. Conical roadblock body; 2. Sleeve; 3. Telescopic rod; 4. Support rod; 5. Hinge shaft; 6. Warning board; 7. Extension board; 8. Handle; 9. Annular handle; 2.1. Limit slideway; 2.2. Limit retaining groove; 3.1. Stop bar; 3.2. Storage groove; 3.3. Threaded teeth; 4.1. Support disk; 6.1. Limit sliding groove. Detailed Embodiments
[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0021] The present invention provides a technical solution: to solve the existing problems proposed in the background technology.
[0022] Combined with FIGS. 1-5, it can be known that the device includes a conical roadblock body 1. An auxiliary warning structure is provided inside the conical roadblock body 1. The auxiliary warning structure includes a sleeve 2 fixed to the inner bottom of the conical roadblock body 1. A telescopic rod 3 is provided inside the sleeve 2. A limiting slideway 2.1 is provided on the side of the sleeve 2, and a limiting retaining groove 2.2 is provided at the top of the limiting slideway 2.1 for supporting a retaining rod 3.1. A retaining rod 3.1 is fixed in the limiting slideway 2.1 near the bottom on one side of the telescopic rod 3. A storage groove 3.2 is provided inside the telescopic rod 3. Threaded teeth 3.3 are fixed near the upper and lower sides inside the storage groove 3.2, which can cooperate with a support rod 4 to support it. A support rod 4 threadedly and tightly connected to the threaded teeth 3.3 is provided in the storage groove 3.2. The top of the support rod 4 is fixed with a support plate 4.1. A hinge shaft 5 is fixed to the lower side of the support plate 4.1. Two warning plates 6 are rotatably provided on the side of the hinge shaft 5, which can play a warning role. A limiting chute 6.1 is provided on one side of the warning plate 6. An extension plate 7 is slidably provided in the limiting chute 6.1; Reflective stickers are attached to both sides of the warning plate 6 and the extension plate 7. A ring-shaped reflective sticker is attached to the outside of the conical roadblock body 1 for reflection; A handle 8 is fixed to the top of the support plate 4.1 for pulling the telescopic rod 3; A ring-shaped handle 9 is fixed to the top of the conical roadblock body 1 for facilitating the lifting of the conical roadblock body 1;
[0023] Combined with the attached Figure 2 、 4 It can be seen that the length of the telescopic rod 3 is greater than the inner depth of the sleeve 2. The length of the telescopic rod 3 is greater than the inner depth of the sleeve 2. The limiting retaining groove 2.2 communicates with the upper end of the limiting slideway 2.1 and is L-shaped. The retaining rod 3.1 is supported in the limiting retaining groove 2.2 for supporting the position of the telescopic rod 3; The length of the warning plate 6 is less than the diameter of the support plate 4.1 to facilitate the rotation of the warning plate 6 and store it inside the conical roadblock body 1. The length of the extension plate 7 is less than the length of the limiting chute 6.1 to facilitate the pushing of the extension plate 7 into the limiting chute 6.1 for storage;
[0024] The working principle of the present application is as follows: when a road or bridge is temporarily closed, the cone barrier body 1 can be directly placed at a distance of 50-100 meters from the closed place. When the device is not deployed, it is a common cone barrier structure, which occupies a small space and is easy to store. When it is needed, the handle 8 can be held to move the telescopic rod 3 along the limit slide 2.1, and then the telescopic rod 3 can be slightly rotated so that the stop rod 3.1 can be blocked in the limit stop groove 2.2, so as to fix the position of the telescopic rod 3;
[0025] Then rotate the support rod 4 to disengage it from the threaded teeth 3.3 at the bottom of the storage groove 3.2, then pull the support rod 4 to the top, and then rotate the support rod 4 again to fix it with the threaded teeth 3.3 at the top of the storage groove 3.2, and then rotate the warning plate 6 to expand the two warning plates 6 to the maximum area, and then pull the extension plate 7 to expand the reflective area, so that the driver can be warned at night.
[0026] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. A temporary closure device for municipal roads and bridges, comprising a cone barrier body (1), characterized in that: The cone roadblock body (1) is provided with an auxiliary warning structure inside, the auxiliary warning structure comprising a sleeve (2) fixed to the bottom of the inner side of the cone roadblock body (1), a telescopic rod (3) is provided inside the sleeve (2), a limited position slideway (2.1) is provided on the side of the sleeve (2), and a limited position stop groove (2.2) is provided on the top of the limited position slideway (2.1), a stop rod (3.1) is fixed in the limited position slideway (2.1) on one side of the telescopic rod (3) near the bottom, a receiving groove (3.2) is provided inside the telescopic rod (3), and threaded threads are fixed at both the upper and lower ends of the receiving groove (3.2). (3.3), a support rod (4) is provided in the receiving groove (3.2) and is threadedly connected to the thread teeth (3.3), a support plate (4.1) is fixed on the top of the support rod (4), a hinge shaft (5) is fixed on the lower side of the support plate (4.1), two warning plates (6) are rotatably provided on the side of the hinge shaft (5), a limiting slide groove (6.1) is provided on one side of the warning plate (6), an extension plate (7) is slidably provided in the limiting slide groove (6.1), both sides of the warning plate (6) and the extension plate (7) are affixed with reflective stickers, and an annular reflective sticker is affixed to the outer side of the cone roadblock body (1).
2. A temporary closure device for municipal roads and bridges according to claim 1, characterized in that: The length of the telescopic rod (3) is greater than the inner depth of the sleeve (2); the upper ends of the limit stop groove (2.2) and the limit slideway (2.1) are interconnected and are L-shaped.
3. A temporary closure device for municipal roads and bridges according to claim 1, characterized in that: The length of the warning plate (6) is smaller than the diameter of the support plate (4.1), and the length of the extension plate (7) is smaller than the length of the limiting slide groove (6.1).
4. A temporary closure device for municipal roads and bridges according to claim 1, characterized in that: A handle (8) is fixed on the top of the support plate (4.1).
5. A temporary closure device for municipal roads and bridges according to claim 1, characterized in that: An annular handle (9) is fixed on the top of the cone barrier body (1).