Temporary roadblock

Abstract

The utility model provides a temporary roadblock, and belongs to the field of municipal engineering. A temporary roadblock comprises a base, four supporting legs and supporting strips are arranged on the base in a running fit mode, fixing columns are placed in one ends of the four supporting legs, ground nails and universal wheels are fixedly installed at the two ends of the four fixing columns, and a sliding seat which is in rotating and sliding fit with the four supporting strips is arranged on the base in a sliding fit mode. Two first rotating strips are arranged on the upper side of the base in a rotating fit mode, and four second rotating strips are arranged on the lower side of the supporting strip in a rotating fit mode and are in rotating fit with the two first rotating strips correspondingly. According to the roadblock, the contact area of the roadblock and the ground can be increased through the arrangement of the four supporting legs, so that the roadblock is not prone to toppling over in the using process after the contact area of the roadblock and the ground is increased, and the roadblock can be switched to be in different contact modes with the road surface through the arrangement of the ground nails and the universal wheels.

Description

TECHNICAL FIELD

[0001] The utility model relates to municipal engineering technical field, especially a kind of temporary roadblock. BACKGROUND

[0002] With the improvement of urban traffic degree, road barrier application is also more and more widely, when carrying out municipal engineering construction, road barrier is often needed to be set to prevent vehicle passing, effectively guarantee the safety of vehicle and construction site.

[0003] In the prior art, a road barrier for municipal construction, which is disclosed in CN214530350U, relates to the field of municipal engineering, and includes a support, the support includes a frame and a support leg for supporting the frame, the frame includes a first horizontal groove plate, a second horizontal groove plate and a vertical groove plate. The road barrier in the present application can install warning boards with different safety information, so as to have a better warning effect. However, the road barrier for municipal construction in the prior art cannot increase the contact area between the road barrier and the ground, which makes it prone to tipping under the action of wind during use. Therefore, a temporary roadblock is proposed. SUMMARY

[0004] Therefore, the utility model embodiment hopes to provide a temporary roadblock to solve or alleviate the technical problems existing in the prior art. By installing four supporting legs, the contact area between the road barrier and the ground can be increased, so that the road barrier is less likely to tip over during use after the contact area between the road barrier and the ground is increased. The installation of ground nails and universal wheels allows the road barrier to switch between different contact modes with the road surface, which facilitates the movement and fixation of the road barrier.

[0005] The technical scheme of the utility model embodiment is implemented as follows:

[0006] A temporary roadblock includes a base, four supporting legs and supporting bars are rotatably connected to the base, a fixed column is arranged in one end of each supporting leg, a ground nail and a universal wheel are fixedly installed at both ends of each fixed column, a sliding seat is slidably connected to the base and rotatably connected to the four supporting bars, two first rotating bars are rotatably connected to the upper side of the base, four second rotating bars are rotatably connected to the lower side of the supporting bars, a plurality of first elastic bands are fixedly installed between the two first rotating bars, and a plurality of second elastic bands are fixedly installed between the four second rotating bars.

[0007] Preferably, the lower surface of the base is provided with four first threaded holes, and four first bolts are threadedly arranged in the four first threaded holes, and the four supporting legs are rotatably arranged on the base through the four first bolts, and the lower surface of one end of each of the four supporting legs is provided with a circular groove for accommodating the fixing column.

[0008] Preferably, the two sides of the base are provided with four first protrusions rotatably arranged at the bottom of the four supporting strips, and the upper side of the base is fixedly provided with two first fixed shafts rotatably arranged at the bottom of the two first rotating strips, and the first fixed shafts are arranged to facilitate the rotatable arrangement of the first rotating strips and the base.

[0009] Preferably, the lower side of the sliding seat is fixedly provided with two second fixed shafts rotatably arranged with the four second rotating strips, and the top of the two first rotating strips is fixedly provided with third fixed shafts rotatably arranged with the four second rotating strips, and the second fixed shafts are arranged to facilitate the rotatable arrangement of the sliding seat and the second rotating strips.

[0010] Preferably, the sliding seat is provided with two guide grooves, and the top of the four supporting strips is fixedly provided with two fourth fixed shafts rotatably and slidably arranged in the two guide grooves, and the guide grooves are arranged to facilitate the rotatable and sliding arrangement of the fourth fixed shafts and the sliding seat, and facilitate the contraction of the roadblock.

[0011] Preferably, the upper surface of the sliding seat is fixedly provided with a handle, and the sliding seat is threadedly provided with four second bolts for limiting the two fourth fixed shafts, and the plurality of first elastic bands and second elastic bands are located between the four supporting strips, and the second bolts are arranged to limit the fourth fixed shafts, so that the fourth fixed shafts are not easily moved to the appropriate position.

[0012] The embodiment of the utility model has the following advantages due to the adoption of the above technical scheme:

[0013] First, the arrangement of the four supporting legs can increase the contact area of the roadblock with the ground, so that the roadblock is not prone to falling during use, and the arrangement of the ground nails and universal wheels enables the roadblock to switch between different contact modes with the road surface, facilitating the movement and fixation of the roadblock.

[0014] Second, the arrangement of the sliding seat enables the volume of the roadblock to be contracted, so that the roadblock is smaller after contraction, facilitating the carrying and transportation of the roadblock.

[0015] The above summary is intended to illustrate the application and is not intended to be limiting thereof. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features will become apparent to those skilled in the art from the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 is a perspective view of the utility model;

[0018] Figure 2 is a partial view of the utility model;

[0019] Figure 3 is a fourth fixed shaft structure view of the utility model;

[0020] Figure 4 is a cross-sectional view of the utility model.

[0021] Reference signs: 1, base; 2, support leg; 3, support strip; 4, fixed column; 5, ground nail; 6, universal wheel; 7, sliding seat; 8, first rotating strip; 9, second rotating strip; 10, first elastic band; 11, second elastic band; 12, first bolt; 13, first fixed shaft; 14, second fixed shaft; 15, third fixed shaft; 16, fourth fixed shaft; 17, second bolt; 18, handle; 101, first protruding part; 701, guide groove. DETAILED DESCRIPTION

[0022] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be essentially exemplary rather than limiting.

[0023] The embodiments of the present application will be described in detail below with reference to the drawings.

[0024] As Figures 1-4The utility model discloses an embodiment provides a kind of temporary roadblock, comprising: base 1, four support legs 2 are rotationally cooperated with being arranged on base 1, support strip 3, the inside of one end of four support legs 2 is placed with fixed column 4, the both ends of four fixed columns 4 are fixedly installed with ground nail 5, universal wheel 6, sliding seat 7 that is rotationally and slidingly cooperated with four support strips 3 is arranged on base 1, the upper side of base 1 is rotationally cooperated with two first rotating strips 8, the lower side of support strip 3 is rotationally cooperated with four second rotating strips 9 respectively with two first rotating strips 8 rotationally cooperated with each other, a plurality of first elastic bands 10 are fixedly installed between two first rotating strips 8, a plurality of second elastic bands 11 are fixedly installed between four second rotating strips 9.

[0025] In the embodiment, specifically: the lower surface of base 1 is provided with four first threaded holes, a first bolt 12 is threadedly arranged in each of the four first threaded holes, and the four support legs 2 are rotationally arranged with the base 1 through the four first bolts 12. The lower surface of one end of each of the four support legs 2 is provided with a circular groove for accommodating the fixed column 4. The first bolt 12 is arranged to facilitate the fixation of the support leg 2 after rotation.

[0026] In the embodiment, specifically: the two sides of the base 1 are provided with four first protrusions 101 rotationally arranged with the bottoms of the four support strips 3, and the upper side of the base 1 is fixedly installed with two first fixed shafts 13 rotationally arranged with the bottoms of the two first rotating strips 8. The first protrusion 101 is arranged to facilitate the rotational arrangement of the base 1 and the support strip 3.

[0027] In the embodiment, specifically: the lower side of the sliding seat 7 is fixedly installed with two second fixed shafts 14 rotationally arranged with the four second rotating strips 9, and the top of the two first rotating strips 8 is fixedly installed with three third fixed shafts 15 rotationally arranged with the four second rotating strips 9. The third fixed shaft 15 is arranged to facilitate the arrangement of the first rotating strip 8 and the second fixed shaft 14, which facilitates the deployment of the first elastic band 10 and the second elastic band 11 by the roadblock. The first elastic band 10 and the second elastic band 11 can be coated with a bright color to facilitate the observation of pedestrians.

[0028] In the embodiment, specifically: two guide grooves 701 are formed on the sliding seat 7, and two fourth fixed shafts 16 are fixedly installed on the top of the four support strips 3 and rotationally and slidingly arranged in the two guide grooves 701. The sliding seat 7 is arranged to facilitate the expansion and contraction of the roadblock.

[0029] In this embodiment, specifically: the middle of the upper surface of the sliding seat 7 is fixedly provided with a handle 18, and four second bolts 17 for limiting two fourth fixed shafts 16 are threadedly arranged on the sliding seat 7; the plurality of first elastic belts 10 and the second elastic belts 11 are located between the four supporting strips 3; and the handle 18 is convenient for an operator to take the roadblock.

[0030] When the roadblock needs to increase the contact area with the ground, the four supporting legs 2 are rotated, the four supporting legs 2 are unfolded, the contact area of the roadblock with the ground is increased, the roadblock is not prone to falling, the first bolt 12 is rotated, the supporting leg 2 is fixed, and the four supporting legs 2 are not prone to rotating.

[0031] When the roadblock needs different contact modes with the ground, the four universal wheels 6 are in contact with the ground, the roadblock is convenient to move on the ground, the four fixed columns 4, the ground nails 5 and the universal wheels 6 are taken out from one end of the four supporting legs 2, the four fixed columns 4 are rotated by 180°, the four ground nails 5 are in contact with the ground, the fixed column 4 is placed in the supporting leg 2, and the roadblock is not prone to moving.

[0032] When the roadblock needs to be contracted, the four second bolts 17 are rotated, the top of the four supporting strips 3 is slid, the top of the four supporting strips 3 is slid and close to each other, the bottom of the four supporting strips 3 is rotated, the sliding seat 7 is rotated with the four supporting strips 3, the height of the supporting strip 3 is first raised and then gradually lowered, the first rotating strip 8 and the second rotating strip 9 are rotated and folded, the length of the first elastic belt 10 and the second elastic belt 11 is contracted, the roadblock is completely contracted, the second bolt 17 is rotated, the second bolt 17 limits the two fourth fixed shafts 16 after the rotation is completed, the fourth fixed shaft 16 is not prone to sliding, and the roadblock is completely contracted.

[0033] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field can easily think of various changes or replacements within the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A temporary roadblock, comprising a base (1), characterized in that: The base (1) is rotatably fitted with four support legs (2) and support bars (3). A fixing column (4) is placed inside one end of each of the four support legs (2). Ground nails (5) and casters (6) are fixedly installed at both ends of the four fixing columns (4). The base (1) is slidably fitted with a sliding seat (7) that rotates and slidably fits with four support bars (3). The upper side of the base (1) is rotatably fitted with two first rotating bars (8). The lower side of the support bars (3) is rotatably fitted with four second rotating bars (9) that rotate with the two first rotating bars (8) respectively. Multiple first elastic bands (10) are fixedly installed between the two first rotating bars (8), and multiple second elastic bands (11) are fixedly installed between the four second rotating bars (9).

2. A temporary roadblock according to claim 1, characterized in that: The lower surface of the base (1) is provided with four first threaded holes, and each of the four first threaded holes is provided with a first bolt (12) threaded in. The four support legs (2) are respectively rotatably connected to the base (1) through the four first bolts (12). The lower surface of one end of each of the four support legs (2) is provided with a circular groove for accommodating the fixed column (4).

3. A temporary roadblock according to claim 1, characterized in that: The base (1) has four first protrusions (101) on both sides that are rotatably engaged with the bottom of the four support bars (3), and two first fixed shafts (13) are fixedly installed on the upper side of the base (1) that are rotatably engaged with the bottom of the two first rotating bars (8).

4. A temporary roadblock according to claim 3, characterized in that: The lower side of the sliding seat (7) is fixedly installed with two second fixed shafts (14) that are respectively rotatably engaged with the four second rotating bars (9), and the top of the two first rotating bars (8) is fixedly installed with third fixed shafts (15) that are respectively rotatably engaged with the four second rotating bars (9).

5. A temporary roadblock according to claim 4, characterized in that: The sliding seat (7) has two guide grooves (701), and the top of the four support bars (3) is fixedly installed with two fourth fixed shafts (16) that rotate and slide in the two guide grooves (701).

6. A temporary roadblock according to claim 5, characterized in that: A handle (18) is fixedly installed in the middle of the upper surface of the sliding seat (7). Four second bolts (17) for limiting the two fourth fixed shafts (16) are threaded on the sliding seat (7). Multiple first elastic bands (10) and second elastic bands (11) are located between the four support bars (3).

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