A municipal guardrail convenient for turnover

Abstract

The present invention relates to the technical field of guardrails, and specifically relates to a municipal guardrail that is convenient for turnover, including a guardrail cross bar and guardrail vertical poles connected to the surface of the guardrail cross bar. An edge groove is opened at the end of the guardrail cross bar, and a double-headed connection mechanism is rotatably connected inside the edge groove. The double-headed connection mechanism satisfies position switching, and the double-headed connection mechanism satisfies the splicing of two groups of guardrail cross bars distributed horizontally. Moreover, the double-headed connection mechanism is provided with a locking member to lock the two groups of spliced double-headed connection mechanisms. The beneficial effect is that double-headed connection mechanisms are installed at both ends of the municipal guardrail that is convenient for turnover proposed by the present invention. By adjusting the position of the double-headed connection mechanism, according to actual needs, the double-headed connection mechanisms at the ends of the two guardrails to be connected are adjusted to be different, which is convenient for the splicing of the guardrail cross bars of the two groups of guardrails. In this way, it is convenient to freely assemble the guardrail with the required length according to actual usage needs.

Description

Technical Field

[0001] The present invention relates to the technical field of guardrails, and specifically to a municipal guardrail that is convenient for turnover. Background Art

[0002] Municipal road guardrails are also called urban traffic galvanized sprayed steel guardrails. They are beautiful and novel, easy to install, safe and reliable, and have preferential prices. They are applicable to the isolation of urban traffic arteries, the green isolation belts in the middle of expressways, bridges, secondary highways, rural roads, and the toll booths of each highway, etc.

[0003] In the prior art, a municipal guardrail includes main columns at both ends and a surrounding guardrail between the two main columns. Usually, in order to ensure the surrounding length, the surrounding guardrail is set to be long, and usually the surrounding guardrail is of an integral structure.

[0004] However, when transporting a long surrounding guardrail, due to its large volume, it is not convenient for turnover; and the length of the surrounding guardrail cannot be combined and changed according to actual needs. Summary of the Invention

[0005] The purpose of the present invention is to provide a municipal guardrail that is convenient for turnover, so as to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solution: a municipal guardrail that is convenient for turnover, including a guardrail cross bar and guardrail vertical poles connected to the surface of the guardrail cross bar. An edge groove is opened at the end of the guardrail cross bar, and a double-headed connection mechanism is rotatably connected inside the edge groove. The double-headed connection mechanism satisfies position switching, and the double-headed connection mechanism satisfies the splicing of two groups of guardrail cross bars distributed horizontally. And the double-headed connection mechanism is provided with a locking member to lock the two groups of spliced double-headed connection mechanisms.

[0007] Preferably, there are two guardrail cross bars, the two guardrail cross bars are distributed in parallel, a plurality of guardrail vertical poles are arranged between the two guardrail cross bars, and an installation member is arranged between the guardrail cross bar and the guardrail vertical pole.

[0008] Preferably, the installation member includes a buckle groove, a first through hole, and a bolt. There are two groups of buckle grooves, and the two groups of buckle grooves are respectively opened at both ends of the guardrail vertical pole. There are two groups of first through holes, and the two groups of first through holes respectively penetrate the guardrail cross bar and the guardrail vertical pole. The first through holes on the surface of the guardrail vertical pole penetrate the buckle groove. A plurality of bolts are arranged on the surface of the guardrail cross bar, and the plurality of bolts are arranged along the long side of the guardrail cross bar. The bolts penetrate the first through holes on the surfaces of the guardrail cross bar and the guardrail vertical pole for connecting the guardrail cross bar and the guardrail vertical pole.

[0009] Preferably, the edge groove is a square groove, there are two groups of edge grooves, and the two groups of edge grooves are respectively opened at both ends of the guardrail cross bar. The double-headed connection mechanism corresponds to the edge groove one by one.

[0010] Preferably, the double-headed connection mechanism includes an introduction inclined surface, a connecting plate, a docking plug, and a docking slot. The connecting plate is in a square plate structure. One end of the connecting plate is integrally formed with a docking plug. The top surface and the bottom surface of the docking plug are both provided with introduction inclined surfaces. The docking slot is opened at the other end of the connecting plate. The height of the docking slot is the same as the height of the docking plug. A rotation limiting member is provided between the connecting plate and the side groove.

[0011] Preferably, the rotation limiting member includes a limiting rubber strip, a second through hole, and a pin shaft. There are two groups of second through holes. The two groups of second through holes respectively penetrate the guardrail cross bar and the connecting plate. The second through holes on the surface of the guardrail cross bar penetrate the side groove. The pin shaft is in a "work" shaped round rod structure. The pin shaft penetrates the two groups of second through holes. There are two groups of limiting rubber strips. The two groups of limiting rubber strips are both fixed on the side wall of the side groove. A braking member is provided between the connecting plate and the guardrail cross bar to limit the connecting plate in the side groove without swinging.

[0012] Preferably, the braking member includes a locking slot and a locking screw. The locking slot is opened on the top surface of the connecting plate. There are two groups of locking slots, and the two groups of locking slots are symmetrically distributed with respect to the second through hole. The locking screw is screwed on the top surface of the guardrail cross bar. After the locking screw penetrates the top surface of the guardrail cross bar, it is inserted into the locking slot to limit and brake the connecting plate.

[0013] Preferably, the locking member includes an installation port, a third through hole, a positioning plug, a spring, a pull ring, and a fourth through hole. The installation port is opened on the surface of the docking plug. There are two groups of third through holes. The two groups of third through holes are respectively opened on the top surface and the bottom surface of the installation port. The positioning plug is in a "T" shaped column structure. The positioning plug is movably inserted into the third through hole. A spring is sleeved on the outer side of the rod body of the positioning plug. The spring is fixed between the plate body of the positioning plug and the installation port, and the pull ring is fixed on the plate body of the positioning plug.

[0014] Preferably, the fourth through holes correspond to the positioning plugs one by one. The two groups of fourth through holes are respectively opened on the top surface and the bottom surface of the docking slot.

[0015] Preferably, when the spring is in the initial state, the total length of the two groups of positioning plugs extending out of the third through holes is less than the distance between the two groups of pull rings.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] Double-headed connection mechanisms are installed at both ends of the municipal guardrail that is convenient for turnover proposed by the present invention. By adjusting the positions of the double-headed connection mechanisms, according to actual needs, the double-headed connection mechanisms at the ends of the two guardrails to be connected are adjusted to be different, which is convenient for the splicing of the guardrail cross bars of the two groups of guardrails. In this way, it is convenient to freely assemble the guardrails of the required length according to actual use needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Schematic diagram of the structure of the present invention;

[0019] Figure 2 Schematic diagram of the present invention after the guardrail structure is cut flat;

[0020] Figure 3 Schematic diagram of the half-section of the structure of the present invention;

[0021] Figure 4 is Figure 3 Enlarged schematic diagram of the structure at position A in

[0022] Figure 5 Schematic diagram of the guardrail vertical post structure of the present invention;

[0023] Figure 6 Schematic diagram of the connecting plate structure of the present invention;

[0024] Figure 7 Schematic diagram of the guardrail crossbar structure of the present invention.

[0025] In the figure: guardrail crossbar 1, guardrail vertical post 2, buckle groove 3, first through hole 4, bolt 5, side groove 6, connecting plate 7, docking plug 8, docking slot 9, limit rubber strip 10, second through hole 11, pin shaft 12, locking slot 13, locking screw 14, installation opening 15, third through hole 16, positioning plug 17, spring 18, pull ring 19, fourth through hole 20, guiding inclined surface 21. Specific embodiments

[0026] In order to clearly and completely describe the purpose, technical solution of the present invention, and make the advantages more clearly understood, the following further details the embodiments of the present invention with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0027] Embodiment 1

[0028] Please refer to Figures 1 to 3, the present invention provides a technical solution: a municipal guardrail convenient for turnover, including a guardrail crossbar 1 and guardrail vertical poles 2 connected to the surface of the guardrail crossbar 1. An edge groove 6 is opened at the end of the guardrail crossbar 1, and a double-headed connection mechanism is rotatably connected inside the edge groove 6. The double-headed connection mechanism satisfies position switching, and the double-headed connection mechanism satisfies the splicing of two groups of guardrail crossbars 1 distributed horizontally. Moreover, the double-headed connection mechanism is provided with a locking member to lock the two groups of spliced double-headed connection mechanisms; double-headed connection mechanisms are installed at both ends of the municipal guardrail. By adjusting the position of the double-headed connection mechanism, according to actual needs, the double-headed connection mechanisms at the ends of the two guardrails to be connected are adjusted to be different, which is convenient for the splicing of the guardrail crossbars 1 of the two guardrails. In this way, it is convenient to freely assemble the guardrail with the required length according to actual usage needs.

[0029] Embodiment 2

[0030] Refer to the appendix Figure 5 and Figure 7 , on the basis of Embodiment 1, in order to achieve the detachable connection between the guardrail crossbar 1 and the guardrail vertical pole 2, two guardrail crossbars 1 are provided. The two guardrail crossbars 1 are distributed in parallel, and a plurality of guardrail vertical poles 2 are arranged between the two guardrail crossbars 1. An installation member is arranged between the guardrail crossbar 1 and the guardrail vertical pole 2. The installation member includes a buckle groove 3, a first through hole 4 and a bolt 5. Two groups of buckle grooves 3 are provided, and the two groups of buckle grooves 3 are respectively opened at both ends of the guardrail vertical pole 2. Two groups of first through holes 4 are provided, and the two groups of first through holes 4 respectively penetrate the guardrail crossbar 1 and the guardrail vertical pole 2. The first through hole 4 on the surface of the guardrail vertical pole 2 penetrates the buckle groove 3. A plurality of bolts 5 are arranged on the surface of the guardrail crossbar 1, and the plurality of bolts 5 are arranged along the long side of the guardrail crossbar 1. The bolts 5 penetrate the first through holes 4 on the surfaces of the guardrail crossbar 1 and the guardrail vertical pole 2 to connect the guardrail crossbar 1 and the guardrail vertical pole 2.

[0031] Embodiment 3

[0032] Refer to the appendix Figure 4 and Figure 6, on the basis of the second embodiment, in order to achieve the installation of the connecting plate 7, the side groove 6 is a square groove, and there are two sets of side grooves 6. The two sets of side grooves 6 are respectively opened at both ends of the guardrail crossbar 1. The double-headed connection mechanism corresponds to the side groove 6 one by one. The double-headed connection mechanism includes an introduction inclined surface 21, a connecting plate 7, a docking plug 8 and a docking slot 9. The connecting plate 7 has a square plate-like structure. One end of the connecting plate 7 is integrally formed with a docking plug 8. The top surface and the bottom surface of the docking plug 8 are both provided with an introduction inclined surface 21. The docking slot 9 is opened at the other end of the connecting plate 7. The height of the docking slot 9 is the same as the height of the docking plug 8. A rotation limiting member is arranged between the connecting plate 7 and the side groove 6; the rotation limiting member includes a limiting rubber strip 10, a second through hole 11 and a pin shaft 12. There are two sets of second through holes 11. The two sets of second through holes 11 respectively penetrate the guardrail crossbar 1 and the connecting plate 7. The second through hole 11 on the surface of the guardrail crossbar 1 penetrates the side groove 6. The pin shaft 12 is an "I"-shaped round rod. The pin shaft 12 penetrates the two sets of second through holes 11. There are two sets of limiting rubber strips 10. The two sets of limiting rubber strips 10 are both fixed on the side wall of the side groove 6. A braking member is arranged between the connecting plate 7 and the guardrail crossbar 1 to limit the connecting plate 7 in the side groove 6 without swinging.

[0033] Embodiment Four

[0034] On the basis of the third embodiment, in order to realize the connection and fixation after the two sets of connecting plates 7 are assembled through the docking plug 8 and the docking slot 9, the braking member includes a locking slot 13 and a locking screw 14. The locking slot 13 is opened on the top surface of the connecting plate 7. There are two sets of locking slots 13, and the two sets of locking slots 13 are symmetrically distributed about the second through hole 11. The locking screw 14 is screwed on the top surface of the guardrail crossbar 1. After the locking screw 14 penetrates the top surface of the guardrail crossbar 1, it is inserted into the locking slot 13 to limit and brake the connecting plate 7; the locking member includes an installation port 15, a third through hole 16, a positioning plug 17, a spring 18, a pull ring 19 and a fourth through hole 20. The installation port 15 is opened on the surface of the docking plug 8. There are two sets of third through holes 16. The two sets of third through holes 16 are respectively opened on the top surface and the bottom surface of the installation port 15. The positioning plug 17 has a "T"-shaped columnar structure. The positioning plug 17 is movably inserted into the third through hole 16. A spring 18 is sleeved on the outer side of the rod body of the positioning plug 17. The spring 18 is fixed between the plate body of the positioning plug 17 and the installation port 15, and the pull ring 19 is fixed on the plate body of the positioning plug 17; the fourth through hole 20 corresponds to the positioning plug 17 one by one. The two sets of fourth through holes 20 are respectively opened on the top surface and the bottom surface of the docking slot 9; when the spring 18 is in the initial state, the total length of the two sets of positioning plugs 17 extending out of the third through hole 16 is less than the distance between the two sets of pull rings 19.

[0035] In actual use, two groups of municipal guardrails are assembled through two groups of connecting plates 7 and then connected and fixed by locking parts. First, adjust one end of the connecting plate 7 extending out of the side groove 6 as needed, and the positions of the docking plug 8 and the docking slot 9 can be switched. The specific operation is as follows: First, loosen the locking screw 14 to disengage it from the locking slot 13, then rotate the connecting plate 7 around the pin shaft 12 by 180 degrees. The two groups of limit rubber strips 10 are distributed on both sides of the connecting plate 7 to achieve pre-limitation when the locking screw 14 does not lock the connecting plate 7, avoiding random swinging of the connecting plate 7. Then, turn the locking screw 14 back and insert it into the locking slot 13 to fix the connecting plate 7; the connecting plates 7 at the ends of the two groups of municipal guardrails are assembled through the docking plug 8 and the docking slot 9. That is, when the docking plug 8 is inserted into the corresponding docking slot 9, first, two fingers simultaneously pull the pull ring 19, and the extended part of the traction positioning plug 17 retracts into the third through hole 16. At this time, the spring 18 is tensioned. After the docking plug 8 is inserted into the corresponding docking slot 9, release the pull ring 19, and the spring 18 rebounds to pull the corresponding positioning plug 17 back to its original position. After the positioning plug 17 passes through the third through hole 16, it is inserted into the corresponding fourth through hole 20 to achieve the assembly and fixation of the docking plug 8 and the docking slot 9, that is, to achieve the connection and fixation of the two groups of connecting plates 7; and the guardrail vertical poles 2 between the two groups of guardrail crossbars 1 can be installed in the required quantity as needed. That is, after the guardrail vertical pole 2 slides and advances along the guardrail crossbar 1 through the buckle groove 3, the guardrail vertical pole 2 can be fixed on the guardrail crossbar 1 by passing the bolt 5 through the first through hole 4 on the surfaces of the guardrail crossbar 1 and the guardrail vertical pole 2.

[0036] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A municipal guardrail convenient for turnover, comprising a guardrail cross bar (1) and guardrail vertical bars (2) connected to the surface of the guardrail cross bar (1), characterized in that: The end of the guardrail crossbar (1) is provided with a side groove (6). Inside the side groove (6), a double-headed connection mechanism is rotatably connected. The double-headed connection mechanism satisfies position switching, and the double-headed connection mechanism satisfies the splicing of two groups of guardrail crossbars (1) distributed horizontally. Moreover, the double-headed connection mechanism is provided with a locking member to lock the two groups of spliced double-headed connection mechanisms. The double-headed connection mechanism includes an introduction inclined surface (21), a connecting plate (7), a docking plug (8), and a docking slot (9). The connecting plate (7) is in a square plate structure. One end of the connecting plate (7) is integrally formed with a docking plug (8). The top surface and the bottom surface of the docking plug (8) are both provided with an introduction inclined surface (21). The docking slot (9) is opened at the other end of the connecting plate (7). The height of the docking slot (9) is the same as the height of the docking plug (8). A rotation limiting member is arranged between the connecting plate (7) and the side groove (6). The rotation limiting member includes a limiting rubber strip (10), a second through hole (11), and a pin shaft (12). There are two groups of second through holes (11). The two groups of second through holes (11) respectively penetrate the guardrail crossbar (1) and the connecting plate (7). The second through holes (11) on the surface of the guardrail crossbar (1) penetrate the side groove (6). The pin shaft (12) is in an "I"-shaped round rod. The pin shaft (12) penetrates the two groups of second through holes (11). There are two groups of limiting rubber strips (10). The two groups of limiting rubber strips (10) are both fixed on the side wall of the side groove (6). A braking member is arranged between the connecting plate (7) and the guardrail crossbar (1) to limit the connecting plate (7) in the side groove (6) without swinging.

2. The municipal guardrail convenient for turnover according to claim 1, characterized in that: There are two guardrail crossbars (1). The two guardrail crossbars (1) are distributed in parallel. A plurality of guardrail vertical rods (2) are arranged between the two guardrail crossbars (1). An installation member is arranged between the guardrail crossbar (1) and the guardrail vertical rod (2).

3. The municipal guardrail convenient for turnover according to claim 2, characterized in that: The installation member includes a buckle groove (3), a first through hole (4), and a bolt (5). There are two groups of buckle grooves (3). The two groups of buckle grooves (3) are respectively opened at both ends of the guardrail vertical rod (2). There are two groups of first through holes (4). The two groups of first through holes (4) respectively penetrate the guardrail crossbar (1) and the guardrail vertical rod (2). The first through holes (4) on the surface of the guardrail vertical rod (2) penetrate the buckle groove (3). A plurality of bolts (5) are arranged on the surface of the guardrail crossbar (1). The plurality of bolts (5) are arranged along the long side of the guardrail crossbar (1). The bolts (5) penetrate the first through holes (4) on the surfaces of the guardrail crossbar (1) and the guardrail vertical rod (2) to connect the guardrail crossbar (1) and the guardrail vertical rod (2).

4. The municipal guardrail convenient for turnover according to claim 1, characterized in that: The side groove (6) is a square groove. There are two groups of side grooves (6). The two groups of side grooves (6) are respectively opened at both ends of the guardrail crossbar (1). The double-headed connection mechanism corresponds to the side groove (6) one by one.

5. The municipal guardrail convenient for turnover according to claim 1, wherein: The braking member includes a locking slot (13) and a locking screw (14). The locking slot (13) is formed in the top surface of the connecting plate (7). There are two groups of locking slots (13), and the two groups of locking slots (13) are symmetrically distributed with respect to the second perforation (11). The locking screw (14) is screwed on the top surface of the guardrail cross bar (1). After passing through the top surface of the guardrail cross bar (1), the locking screw (14) is inserted into the locking slot (13) to limit and brake the connecting plate (7).

6. The municipal guardrail convenient for turnover according to claim 1, wherein: The locking member includes an installation opening (15), a third perforation (16), a positioning plug (17), a spring (18), a pull ring (19), and a fourth perforation (20). The installation opening (15) is formed in the surface of the docking plug board (8). There are two groups of third perforations (16), and the two groups of third perforations (16) are respectively formed in the top surface and the bottom surface of the installation opening (15). The positioning plug (17) has a "T"-shaped cylinder structure. The positioning plug (17) is movably inserted into the third perforation (16). A spring (18) is sleeved on the outer side of the rod body of the positioning plug (17). The spring (18) is fixed between the plate body of the positioning plug (17) and the installation opening (15), and the pull ring (19) is fixed on the plate body of the positioning plug (17).

7. The municipal guardrail convenient for turnover according to claim 6, wherein: The fourth perforations (20) correspond to the positioning plugs (17) one by one. The two groups of fourth perforations (20) are respectively formed in the top surface and the bottom surface of the docking slot (9).

8. The municipal guardrail convenient for turnover according to claim 7, characterized in that: When the spring (18) is in the initial state, the total length of the parts of the two groups of positioning plugs (17) extending out of the third perforation (16) is less than the distance between the two groups of pull rings (19).

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